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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 1.263 by root, Sat May 5 05:40:27 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
		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";
342		373
		374	my $runtime = "$LOCALDIR/runtime";
		375
		376	warn "starting to write runtime...\n";#d#
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
344	or return;	378	or return;
345		379
		380	my $value = $cf::RUNTIME + 90 + 10;
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	381	# 10 is the runtime save interval, for a monotonic clock
		382	# 60 allows for the watchdog to kill the server.
		383
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0	384	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;	385	and return;
349		386
		387	# always fsync - this file is important
350	aio_fsync $fh	388	aio_fsync $fh
351	and return;	389	and return;
352		390
353	close $fh	391	close $fh
354	or return;	392	or return;
355		393
356	aio_rename "$runtime~", $runtime	394	aio_rename "$runtime~", $runtime
357	and return;	395	and return;
358		396
		397	warn "... done writing runtime.\n";#d#
		398
359	1	399	1
360	}	400	}
361		401
		402	=item cf::datalog type => key => value, ...
		403
		404	Log a datalog packet of the given type with the given key-value pairs.
		405
		406	=cut
		407
		408	sub datalog($@) {
		409	my ($type, %kv) = @_;
		410	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		411	}
		412
362	=back	413	=back
363		414
364	=cut	415	=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		416
493	#############################################################################	417	#############################################################################
494		418
495	=head2 ATTACHABLE OBJECTS	419	=head2 ATTACHABLE OBJECTS
496		420
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	546	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	547	our @CB_MAP = ();
624		548
625	my %attachment;	549	my %attachment;
626		550
		551	sub cf::attachable::thawer_merge {
		552	# simply override everything except _meta
		553	local $_[0]{_meta};
		554	%{$_[0]} = %{$_[1]};
		555	}
		556
627	sub _attach_cb($$$$) {	557	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	558	my ($registry, $event, $prio, $cb) = @_;
629		559
630	use sort 'stable';	560	use sort 'stable';
631		561
…		…
802	# object support	732	# object support
803		733
804	sub reattach {	734	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	735	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	736	my ($obj) = @_;
		737
		738	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		739
808	my $registry = $obj->registry;	740	my $registry = $obj->registry;
809		741
810	@$registry = ();	742	@$registry = ();
811		743
…		…
858	$filename, length $$rdata, scalar @$objs;	790	$filename, length $$rdata, scalar @$objs;
859		791
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	793	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	795	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	796	close $fh;
865		797
866	if (@$objs) {	798	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	799	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	800	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	801	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	802	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	803	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	804	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	805	aio_rename "$filename.pst~", "$filename.pst";
874	}	806	}
875	} else {	807	} else {
876	aio_unlink "$filename.pst";	808	aio_unlink "$filename.pst";
…		…
987	my $base = $1;	919	my $base = $1;
988	my $pkg = $1;	920	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	921	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	922	$pkg = "ext::$pkg";
991		923
992	warn "loading '$path' into '$pkg'\n";	924	warn "... loading '$path' into '$pkg'\n";
993		925
994	open my $fh, "<:utf8", $path	926	open my $fh, "<:utf8", $path
995	or die "$path: $!";	927	or die "$path: $!";
996		928
997	my $source =	929	my $source =
998	"package $pkg; use strict; use utf8;\n"	930	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	931	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	932	. (do { local $/; <$fh> })
1001	. "\n};\n1";	933	. "\n};\n1";
1002		934
1003	eval $source	935	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	936	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	937	: "extension disabled.\n";
		938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		939	warn $@;
		940	warn "mandatory extension failed to load, exiting.\n";
		941	exit 1;
		942	}
		943	die $@;
		944	}
1006		945
1007	push @EXTS, $pkg;	946	push @EXTS, $pkg;
1008	}	947	}
1009		948
1010	sub load_extensions {	949	sub load_extensions {
…		…
1016	} or warn "$ext not loaded: $@";	955	} or warn "$ext not loaded: $@";
1017	}	956	}
1018	}	957	}
1019		958
1020	#############################################################################	959	#############################################################################
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		960
1036	=head2 CORE EXTENSIONS	961	=head2 CORE EXTENSIONS
1037		962
1038	Functions and methods that extend core crossfire objects.	963	Functions and methods that extend core crossfire objects.
1039		964
…		…
1052	Returns the given player object, loading it if necessary (might block).	977	Returns the given player object, loading it if necessary (might block).
1053		978
1054	=cut	979	=cut
1055		980
1056	sub playerdir($) {	981	sub playerdir($) {
1057	cf::localdir	982	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	983	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	984	}
1063		985
1064	sub path($) {	986	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	987	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		988
1067	(playerdir $login) . "/$login.pl"	989	(playerdir $login) . "/playerdata"
1068	}	990	}
1069		991
1070	sub find_active($) {	992	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	993	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	994	and $cf::PLAYER{$_[0]}->active
…		…
1075		997
1076	sub exists($) {	998	sub exists($) {
1077	my ($login) = @_;	999	my ($login) = @_;
1078		1000
1079	$cf::PLAYER{$login}	1001	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1002	or cf::sync_job { !aio_stat path $login }
1081	}	1003	}
1082		1004
1083	sub find($) {	1005	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1006	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1007	my $login = $_[0];
1086		1008
1087	my $guard = cf::lock_acquire "user_find:$login";	1009	my $guard = cf::lock_acquire "user_find:$login";
1088		1010
1089	$cf::PLAYER{$_[0]} || do {	1011	$cf::PLAYER{$_[0]} || do {
		1012	# rename old playerfiles to new ones
		1013	#TODO: remove when no longer required
		1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1017	aio_unlink +(playerdir $login) . "/$login.pl";
		1018
1090	my $pl = load_pl path $login	1019	my $pl = load_pl path $login
1091	or return;	1020	or return;
1092	$cf::PLAYER{$login} = $pl	1021	$cf::PLAYER{$login} = $pl
1093	}	1022	}
1094	}	1023	}
…		…
1131		1060
1132	=cut	1061	=cut
1133		1062
1134	sub quit_character {	1063	sub quit_character {
1135	my ($pl) = @_;	1064	my ($pl) = @_;
		1065
		1066	my $name = $pl->ob->name;
1136		1067
1137	$pl->{deny_save} = 1;	1068	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1069	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1070
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1076	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1077	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1078	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1079	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1080	$pl->destroy;
		1081
		1082	my $prefix = qr<^~\Q$name\E/>;
		1083
		1084	# nuke player maps
		1085	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1086
1150	IO::AIO::aio_rmtree $temp;	1087	IO::AIO::aio_rmtree $temp;
		1088	}
		1089
		1090	=item $pl->kick
		1091
		1092	Kicks a player out of the game. This destroys the connection.
		1093
		1094	=cut
		1095
		1096	sub kick {
		1097	my ($pl, $kicker) = @_;
		1098
		1099	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1100	$pl->killer ("kicked");
		1101	$pl->ns->destroy;
1151	}	1102	}
1152		1103
1153	=item cf::player::list_logins	1104	=item cf::player::list_logins
1154		1105
1155	Returns am arrayref of all valid playernames in the system, can take a	1106	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1107	while and may block, so not sync_job-capable, ever.
1157		1108
1158	=cut	1109	=cut
1159		1110
1160	sub list_logins {	1111	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1112	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1113	or return [];
1163		1114
1164	my @logins;	1115	my @logins;
1165		1116
1166	for my $login (@$dirs) {	1117	for my $login (@$dirs) {
…		…
1175	\@logins	1126	\@logins
1176	}	1127	}
1177		1128
1178	=item $player->maps	1129	=item $player->maps
1179		1130
1180	Returns an arrayref of cf::path's of all maps that are private for this	1131	Returns an arrayref of map paths that are private for this
1181	player. May block.	1132	player. May block.
1182		1133
1183	=cut	1134	=cut
1184		1135
1185	sub maps($) {	1136	sub maps($) {
1186	my ($pl) = @_;	1137	my ($pl) = @_;
		1138
		1139	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1140
1188	my $files = aio_readdir playerdir $pl	1141	my $files = aio_readdir playerdir $pl
1189	or return;	1142	or return;
1190		1143
1191	my @paths;	1144	my @paths;
…		…
1193	for (@$files) {	1146	for (@$files) {
1194	utf8::decode $_;	1147	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1148	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1149	next unless /^$PATH_SEP/o;
1197		1150
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1151	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1152	}
1200		1153
1201	\@paths	1154	\@paths
1202	}	1155	}
1203		1156
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1157	=item $player->ext_reply ($msgid, %msg)
1205		1158
1206	Sends an ext reply to the player.	1159	Sends an ext reply to the player.
1207		1160
1208	=cut	1161	=cut
1209		1162
1210	sub ext_reply($$$%) {	1163	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1164	my ($self, $id, %msg) = @_;
1212		1165
1213	$msg{msgid} = $id;	1166	$msg{msgid} = $id;
1214		1167
1215	$self->send ("ext " . cf::to_json \%msg);	1168	$self->send ("ext " . cf::to_json \%msg);
1216	}	1169	}
1217		1170
1218	package cf;	1171	=item $player->ext_event ($type, %msg)
		1172
		1173	Sends an ext event to the client.
		1174
		1175	=cut
		1176
		1177	sub ext_event($$%) {
		1178	my ($self, $type, %msg) = @_;
		1179
		1180	$self->ns->ext_event ($type, %msg);
		1181	}
		1182
		1183	=head3 cf::region
		1184
		1185	=over 4
		1186
		1187	=cut
		1188
		1189	package cf::region;
		1190
		1191	=item cf::region::find_by_path $path
		1192
		1193	Tries to decuce the probable region for a map knowing only its path.
		1194
		1195	=cut
		1196
		1197	sub find_by_path($) {
		1198	my ($path) = @_;
		1199
		1200	my ($match, $specificity);
		1201
		1202	for my $region (list) {
		1203	if ($region->match && $path =~ $region->match) {
		1204	($match, $specificity) = ($region, $region->specificity)
		1205	if $region->specificity > $specificity;
		1206	}
		1207	}
		1208
		1209	$match
		1210	}
1219		1211
1220	=back	1212	=back
1221
1222		1213
1223	=head3 cf::map	1214	=head3 cf::map
1224		1215
1225	=over 4	1216	=over 4
1226		1217
…		…
1229	package cf::map;	1220	package cf::map;
1230		1221
1231	use Fcntl;	1222	use Fcntl;
1232	use Coro::AIO;	1223	use Coro::AIO;
1233		1224
		1225	use overload
		1226	'""' => \&as_string,
		1227	fallback => 1;
		1228
1234	our $MAX_RESET = 3600;	1229	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1230	our $DEFAULT_RESET = 3000;
1236		1231
1237	sub generate_random_map {	1232	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1233	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1234	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1235	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1239	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1240	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1241	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1242	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1243	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1244	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1245	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1246	(cf::region::find $rmp->{region}), $rmp->{custom}
		1247	)
		1248	}
		1249
		1250	=item cf::map->register ($regex, $prio)
		1251
		1252	Register a handler for the map path matching the given regex at the
		1253	givne priority (higher is better, built-in handlers have priority 0, the
		1254	default).
		1255
		1256	=cut
		1257
		1258	sub register {
		1259	my (undef, $regex, $prio) = @_;
		1260	my $pkg = caller;
		1261
		1262	no strict;
		1263	push @{"$pkg\::ISA"}, __PACKAGE__;
		1264
		1265	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1266	}
		1267
		1268	# also paths starting with '/'
		1269	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1270
		1271	sub thawer_merge {
		1272	my ($self, $merge) = @_;
		1273
		1274	# we have to keep some variables in memory intact
		1275	local $self->{path};
		1276	local $self->{load_path};
		1277	local $self->{deny_save};
		1278	local $self->{deny_reset};
		1279
		1280	$self->SUPER::thawer_merge ($merge);
		1281	}
		1282
		1283	sub normalise {
		1284	my ($path, $base) = @_;
		1285
		1286	$path = "$path"; # make sure its a string
		1287
		1288	$path =~ s/\.map$//;
		1289
		1290	# map plan:
		1291	#
		1292	# /! non-realised random map exit (special hack!)
		1293	# {... are special paths that are not being touched
		1294	# ?xxx/... are special absolute paths
		1295	# ?random/... random maps
		1296	# /... normal maps
		1297	# ~user/... per-player map of a specific user
		1298
		1299	$path =~ s/$PATH_SEP/\//go;
		1300
		1301	# treat it as relative path if it starts with
		1302	# something that looks reasonable
		1303	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1304	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1305
		1306	$base =~ s{[^/]+/?$}{};
		1307	$path = "$base/$path";
		1308	}
		1309
		1310	for ($path) {
		1311	redo if s{//}{/};
		1312	redo if s{/\.?/}{/};
		1313	redo if s{/[^/]+/\.\./}{/};
		1314	}
		1315
		1316	$path
		1317	}
		1318
		1319	sub new_from_path {
		1320	my (undef, $path, $base) = @_;
		1321
		1322	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1323
		1324	$path = normalise $path, $base;
		1325
		1326	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1327	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1328	my $self = bless cf::map::new, $pkg;
		1329	$self->{path} = $path; $self->path ($path);
		1330	$self->init; # pass $1 etc.
		1331	return $self;
		1332	}
		1333	}
		1334
		1335	Carp::carp "unable to resolve path '$path' (base '$base').";
		1336	()
		1337	}
		1338
		1339	sub init {
		1340	my ($self) = @_;
		1341
		1342	$self
		1343	}
		1344
		1345	sub as_string {
		1346	my ($self) = @_;
		1347
		1348	"$self->{path}"
		1349	}
		1350
		1351	# the displayed name, this is a one way mapping
		1352	sub visible_name {
		1353	&as_string
		1354	}
		1355
		1356	# the original (read-only) location
		1357	sub load_path {
		1358	my ($self) = @_;
		1359
		1360	"$MAPDIR/$self->{path}.map"
		1361	}
		1362
		1363	# the temporary/swap location
		1364	sub save_path {
		1365	my ($self) = @_;
		1366
		1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1368	"$TMPDIR/$path.map"
		1369	}
		1370
		1371	# the unique path, undef == no special unique path
		1372	sub uniq_path {
		1373	my ($self) = @_;
		1374
		1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1376	"$UNIQUEDIR/$path"
1254	}	1377	}
1255		1378
1256	# and all this just because we cannot iterate over	1379	# and all this just because we cannot iterate over
1257	# all maps in C++...	1380	# all maps in C++...
1258	sub change_all_map_light {	1381	sub change_all_map_light {
…		…
1260		1383
1261	$_->change_map_light ($change)	1384	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1385	for grep $_->outdoor, values %cf::MAP;
1263	}	1386	}
1264		1387
		1388	sub unlink_save {
		1389	my ($self) = @_;
		1390
		1391	utf8::encode (my $save = $self->save_path);
		1392	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1393	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1394	}
		1395
1265	sub try_load_header($) {	1396	sub load_header_from($) {
1266	my ($path) = @_;	1397	my ($self, $path) = @_;
1267		1398
1268	utf8::encode $path;	1399	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1400	#aio_open $path, O_RDONLY, 0
		1401	# or return;
		1402
		1403	$self->_load_header ($path)
1270	or return;	1404	or return;
1271		1405
1272	my $map = cf::map::new	1406	$self->{load_path} = $path;
		1407
		1408	1
		1409	}
		1410
		1411	sub load_header_orig {
		1412	my ($self) = @_;
		1413
		1414	$self->load_header_from ($self->load_path)
		1415	}
		1416
		1417	sub load_header_temp {
		1418	my ($self) = @_;
		1419
		1420	$self->load_header_from ($self->save_path)
		1421	}
		1422
		1423	sub prepare_temp {
		1424	my ($self) = @_;
		1425
		1426	$self->last_access ((delete $self->{last_access})
		1427	|| $cf::RUNTIME); #d#
		1428	# safety
		1429	$self->{instantiate_time} = $cf::RUNTIME
		1430	if $self->{instantiate_time} > $cf::RUNTIME;
		1431	}
		1432
		1433	sub prepare_orig {
		1434	my ($self) = @_;
		1435
		1436	$self->{load_original} = 1;
		1437	$self->{instantiate_time} = $cf::RUNTIME;
		1438	$self->last_access ($cf::RUNTIME);
		1439	$self->instantiate;
		1440	}
		1441
		1442	sub load_header {
		1443	my ($self) = @_;
		1444
		1445	if ($self->load_header_temp) {
		1446	$self->prepare_temp;
		1447	} else {
		1448	$self->load_header_orig
1273	or return;	1449	or return;
		1450	$self->prepare_orig;
		1451	}
1274		1452
1275	# for better error messages only, will be overwritten	1453	$self->default_region (cf::region::find_by_path $self->{path})
1276	$map->path ($path);	1454	unless $self->default_region;
1277		1455
1278	$map->load_header ($path)	1456	1
1279	or return;
1280
1281	$map->{load_path} = $path;
1282
1283	$map
1284	}	1457	}
1285		1458
1286	sub find;	1459	sub find;
1287	sub find {	1460	sub find {
1288	my ($path, $origin) = @_;	1461	my ($path, $origin) = @_;
1289		1462
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1463	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1464
1295	cf::lock_wait "map_find:$key";	1465	cf::lock_wait "map_find:$path";
1296		1466
1297	$cf::MAP{$key} || do {	1467	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1468	my $guard = cf::lock_acquire "map_find:$path";
1299		1469	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;	1470	or return;
1319		1471
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;	1472	$map->{last_save} = $cf::RUNTIME;
1332		1473
1333	Coro::cede;	1474	$map->load_header
		1475	or return;
1334		1476
1335	if ($map->should_reset) {	1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1478	# doing this can freeze the server in a sync job, obviously
		1479	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1480	$map->reset;
1337	undef $guard;	1481	undef $guard;
1338	$map = find $path	1482	return find $path;
1339	or return;
1340	}	1483	}
1341		1484
1342	$cf::MAP{$key} = $map	1485	$cf::MAP{$path} = $map
1343	}	1486	}
1344	}	1487	}
		1488
		1489	sub pre_load { }
		1490	sub post_load { }
1345		1491
1346	sub load {	1492	sub load {
1347	my ($self) = @_;	1493	my ($self) = @_;
1348		1494
		1495	local $self->{deny_reset} = 1; # loading can take a long time
		1496
1349	my $path = $self->{path};	1497	my $path = $self->{path};
		1498
		1499	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1500	my $guard = cf::lock_acquire "map_load:$path";
1351		1501
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1502	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1503
1354	$self->in_memory (cf::MAP_LOADING);	1504	$self->in_memory (cf::MAP_LOADING);
1355		1505
1356	$self->alloc;	1506	$self->alloc;
		1507
		1508	$self->pre_load;
		1509	Coro::cede;
		1510
1357	$self->load_objects ($self->{load_path}, 1)	1511	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1512	or return;
1359		1513
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1515	if delete $self->{load_original};
1362		1516
1363	if (my $uniq = $path->uniq_path) {	1517	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1518	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1519	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1520	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1521	$self->_load_objects ($uniq, 0);
1368	}	1522	}
1369	}	1523	}
1370		1524
1371	Coro::cede;	1525	Coro::cede;
1372
1373	# now do the right thing for maps	1526	# now do the right thing for maps
1374	$self->link_multipart_objects;	1527	$self->link_multipart_objects;
1375
1376	if ($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)	1528	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1529	unless $self->difficulty;
		1530	Coro::cede;
		1531
		1532	unless ($self->{deny_activate}) {
		1533	$self->decay_objects;
		1534	$self->fix_auto_apply;
		1535	$self->update_buttons;
		1536	Coro::cede;
		1537	$self->set_darkness_map;
		1538	Coro::cede;
1386	$self->activate;	1539	$self->activate;
1387	}	1540	}
1388		1541
1389	Coro::cede;
1390
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1542	$self->in_memory (cf::MAP_IN_MEMORY);
		1543	}
		1544
		1545	$self->post_load;
		1546	}
		1547
		1548	sub customise_for {
		1549	my ($self, $ob) = @_;
		1550
		1551	return find "~" . $ob->name . "/" . $self->{path}
		1552	if $self->per_player;
		1553
		1554	$self
1392	}	1555	}
1393		1556
1394	# find and load all maps in the 3x3 area around a map	1557	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1558	sub load_diag {
1396	my ($map) = @_;	1559	my ($map) = @_;
…		…
1426		1589
1427	cf::sync_job { $map->load };	1590	cf::sync_job { $map->load };
1428	}	1591	}
1429		1592
1430	our %MAP_PREFETCH;	1593	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1594	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	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1595
1446	sub find_async {	1596	sub find_async {
1447	my ($path, $origin) = @_;	1597	my ($path, $origin) = @_;
1448		1598
1449	$path = new cf::path $path, $origin && $origin->path;	1599	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1600
1452	if (my $map = $cf::MAP{$key}) {	1601	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1603	}
1455		1604
1456	$MAP_PREFETCH{$key} = $path;	1605	undef $MAP_PREFETCH{$path};
		1606	$MAP_PREFETCHER ||= cf::async {
		1607	while (%MAP_PREFETCH) {
		1608	for my $path (keys %MAP_PREFETCH) {
		1609	my $map = find $path
		1610	or next;
		1611	$map->load;
		1612
		1613	delete $MAP_PREFETCH{$path};
		1614	}
		1615	}
		1616	undef $MAP_PREFETCHER;
		1617	};
1457	$MAP_PREFETCHER->ready;	1618	$MAP_PREFETCHER->prio (6);
1458		1619
1459	()	1620	()
1460	}	1621	}
1461		1622
1462	sub save {	1623	sub save {
…		…
1466		1627
1467	$self->{last_save} = $cf::RUNTIME;	1628	$self->{last_save} = $cf::RUNTIME;
1468		1629
1469	return unless $self->dirty;	1630	return unless $self->dirty;
1470		1631
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1632	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1633	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1634
1474	$self->{load_path} = $save;	1635	$self->{load_path} = $save;
1475		1636
1476	return if $self->{deny_save};	1637	return if $self->{deny_save};
1477		1638
…		…
1480	cf::async {	1641	cf::async {
1481	$_->contr->save for $self->players;	1642	$_->contr->save for $self->players;
1482	};	1643	};
1483		1644
1484	if ($uniq) {	1645	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1648	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1649	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1650	}
1490	}	1651	}
1491		1652
1492	sub swap_out {	1653	sub swap_out {
1493	my ($self) = @_;	1654	my ($self) = @_;
…		…
1507		1668
1508	sub reset_at {	1669	sub reset_at {
1509	my ($self) = @_;	1670	my ($self) = @_;
1510		1671
1511	# TODO: safety, remove and allow resettable per-player maps	1672	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};	1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1513	return 1e99 if $self->{deny_reset};	1674	return 1e99 if $self->{deny_reset};
1514		1675
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1678
…		…
1522	my ($self) = @_;	1683	my ($self) = @_;
1523		1684
1524	$self->reset_at <= $cf::RUNTIME	1685	$self->reset_at <= $cf::RUNTIME
1525	}	1686	}
1526		1687
1527	sub unlink_save {
1528	my ($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	$self->save;
1546	}
1547
1548	sub reset {	1688	sub reset {
1549	my ($self) = @_;	1689	my ($self) = @_;
1550		1690
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1691	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1692
1553	return if $self->players;	1693	return if $self->players;
1554	return if $self->{path}{user_rel};#d#	1694	return if $self->isa ("ext::map_per_player");#d#
1555		1695
1556	warn "resetting map ", $self->path;#d#	1696	warn "resetting map ", $self->path;#d#
1557		1697
		1698	$self->in_memory (cf::MAP_SWAPPED);
		1699
		1700	# need to save uniques path
		1701	unless ($self->{deny_save}) {
		1702	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1703
		1704	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1705	if $uniq;
		1706	}
		1707
1558	delete $cf::MAP{$self->path};	1708	delete $cf::MAP{$self->path};
		1709
		1710	$self->clear;
1559		1711
1560	$_->clear_links_to ($self) for values %cf::MAP;	1712	$_->clear_links_to ($self) for values %cf::MAP;
1561		1713
1562	$self->unlink_save;	1714	$self->unlink_save;
1563	$self->destroy;	1715	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	1718	my $nuke_counter = "aaaa";
1567		1719
1568	sub nuke {	1720	sub nuke {
1569	my ($self) = @_;	1721	my ($self) = @_;
1570		1722
		1723	delete $cf::MAP{$self->path};
		1724
		1725	$self->unlink_save;
		1726
		1727	bless $self, "cf::map";
		1728	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	1729	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	1730	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1732
		1733	$cf::MAP{$self->path} = $self;
		1734
1574	$self->reset; # polite request, might not happen	1735	$self->reset; # polite request, might not happen
1575	}	1736	}
1576		1737
1577	sub customise_for {
1578	my ($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	1738	=item cf::map::unique_maps
1588		1739
1589	Returns an arrayref of cf::path's of all shared maps that have	1740	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	1741	instantiated unique items. May block.
1591		1742
1592	=cut	1743	=cut
1593		1744
1594	sub unique_maps() {	1745	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1746	my $files = aio_readdir $UNIQUEDIR
1596	or return;	1747	or return;
1597		1748
1598	my @paths;	1749	my @paths;
1599		1750
1600	for (@$files) {	1751	for (@$files) {
1601	utf8::decode $_;	1752	utf8::decode $_;
1602	next if /\.pst$/;	1753	next if /\.pst$/;
1603	next unless /^$PATH_SEP/o;	1754	next unless /^$PATH_SEP/o;
1604		1755
1605	push @paths, new cf::path $_;	1756	push @paths, cf::map::normalise $_;
1606	}	1757	}
1607		1758
1608	\@paths	1759	\@paths
1609	}	1760	}
1610		1761
…		…
1685		1836
1686	=item $player_object->enter_link	1837	=item $player_object->enter_link
1687		1838
1688	Freezes the player and moves him/her to a special map (C<{link}>).	1839	Freezes the player and moves him/her to a special map (C<{link}>).
1689		1840
1690	The player should be reaosnably safe there for short amounts of time. You	1841	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	1842	I<MUST> call C<leave_link> as soon as possible, though.
1692		1843
		1844	Will never block.
		1845
1693	=item $player_object->leave_link ($map, $x, $y)	1846	=item $player_object->leave_link ($map, $x, $y)
1694		1847
1695	Moves the player out of the specila link map onto the given map. If the	1848	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	1849	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	1850	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	1851	fails, to the emergency map position.
1699		1852
1700	Might block.	1853	Might block.
1701		1854
1702	=cut	1855	=cut
		1856
		1857	sub link_map {
		1858	unless ($LINK_MAP) {
		1859	$LINK_MAP = cf::map::find "{link}"
		1860	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1861	$LINK_MAP->load;
		1862	}
		1863
		1864	$LINK_MAP
		1865	}
1703		1866
1704	sub cf::object::player::enter_link {	1867	sub cf::object::player::enter_link {
1705	my ($self) = @_;	1868	my ($self) = @_;
1706		1869
1707	$self->deactivate_recursive;	1870	$self->deactivate_recursive;
1708		1871
1709	return if $self->map == $LINK_MAP;	1872	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		1873
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	1875	if $self->map;
1713		1876
1714	$self->enter_map ($LINK_MAP, 20, 20);	1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	1878	}
1716		1879
1717	sub cf::object::player::leave_link {	1880	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	1881	my ($self, $map, $x, $y) = @_;
1719		1882
…		…
1741	$map->load;	1904	$map->load;
1742	$map->load_diag;	1905	$map->load_diag;
1743		1906
1744	return unless $self->contr->active;	1907	return unless $self->contr->active;
1745	$self->activate_recursive;	1908	$self->activate_recursive;
		1909
		1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	1911	$self->enter_map ($map, $x, $y);
1747	}	1912	}
1748		1913
1749	cf::player->attach (	1914	cf::player->attach (
1750	on_logout => sub {	1915	on_logout => sub {
…		…
1763	# try to abort aborted map switching on player login :)	1928	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes	1929	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {	1930	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;	1931	$pl->ob->enter_link;
1767	(async {	1932	(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,	1933	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "	1934	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",	1935	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);	1936	cf::NDI_RED);
		1937	# we need this sleep as the login has a concurrent enter_exit running
		1938	# and this sleep increases chances of the player not ending up in scorn
1774	Coro::Timer::sleep 1;	1939	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;	1940	$pl->ob->leave_link;
1776	})->prio (2);	1941	})->prio (2);
1777	}	1942	}
1778	},	1943	},
…		…
1783	=cut	1948	=cut
1784		1949
1785	sub cf::object::player::goto {	1950	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	1951	my ($self, $path, $x, $y) = @_;
1787		1952
1788	$path = new cf::path $path;
1789
1790	$self->enter_link;	1953	$self->enter_link;
1791		1954
1792	(async {	1955	(async {
		1956	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	1957	my $map = cf::map::find $path;
1794	$map = $map->customise_for ($self) if $map;	1958	$map = $map->customise_for ($self) if $map;
1795		1959	$map
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	1960	} or
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1800		1962
1801	$self->leave_link ($map, $x, $y);	1963	$self->leave_link ($map, $x, $y);
1802	})->prio (1);	1964	})->prio (1);
1803	}	1965	}
1804		1966
…		…
1808		1970
1809	sub parse_random_map_params {	1971	sub parse_random_map_params {
1810	my ($spec) = @_;	1972	my ($spec) = @_;
1811		1973
1812	my $rmp = { # defaults	1974	my $rmp = { # defaults
1813	xsize => 10,	1975	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	1976	ysize => (cf::rndm 15, 40),
		1977	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1978	#layout => string,
1815	};	1979	};
1816		1980
1817	for (split /\n/, $spec) {	1981	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	1982	my ($k, $v) = split /\s+/, $_, 2;
1819		1983
…		…
1823	$rmp	1987	$rmp
1824	}	1988	}
1825		1989
1826	sub prepare_random_map {	1990	sub prepare_random_map {
1827	my ($exit) = @_;	1991	my ($exit) = @_;
		1992
		1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		1994
1829	# all this does is basically replace the /! path by	1995	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	1996	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	1997	# that depends on the exit object
1832		1998
1833	my $rmp = parse_random_map_params $exit->msg;	1999	my $rmp = parse_random_map_params $exit->msg;
1834		2000
1835	if ($exit->map) {	2001	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2002	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2003	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2004	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2005	$rmp->{origin_y} = $exit->y;
1840	}	2006	}
1841		2007
1842	$rmp->{random_seed} ||= $exit->random_seed;	2008	$rmp->{random_seed} ||= $exit->random_seed;
1843		2009
1844	my $data = cf::to_json $rmp;	2010	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2011	my $md5 = Digest::MD5::md5_hex $data;
		2012	my $meta = "$RANDOMDIR/$md5.meta";
1846		2013
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2015	aio_write $fh, 0, (length $data), $data, 0;
		2016	undef $fh;
		2017	aio_rename "$meta~", $meta;
1849		2018
1850	$exit->slaying ("?random/$md5");	2019	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2020	$exit->msg (undef);
1852	}	2021	}
1853	}	2022	}
1854		2023
1855	sub cf::object::player::enter_exit {	2024	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2025	my ($self, $exit) = @_;
1857		2026
1858	return unless $self->type == cf::PLAYER;	2027	return unless $self->type == cf::PLAYER;
		2028
		2029	if ($exit->slaying eq "/!") {
		2030	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2031	# the problem is that $exit might not survive long enough
		2032	# so it needs to be done right now, right here
		2033	cf::sync_job { prepare_random_map $exit };
		2034	}
		2035
		2036	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2037	my $hp = $exit->stats->hp;
		2038	my $sp = $exit->stats->sp;
1859		2039
1860	$self->enter_link;	2040	$self->enter_link;
1861		2041
1862	(async {	2042	(async {
1863	$self->deactivate_recursive; # just to be sure	2043	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2044	unless (eval {
1865	prepare_random_map $exit	2045	$self->goto ($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		2046
1871	1;	2047	1;
1872	}) {	2048	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2049	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2050	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2051	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2052	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2053
1878	warn "ERROR in enter_exit: $@";	2054	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2055	$self->leave_link;
1880	}	2056	}
1881	})->prio (1);	2057	})->prio (1);
…		…
1894		2070
1895	sub cf::client::send_drawinfo {	2071	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2072	my ($self, $text, $flags) = @_;
1897		2073
1898	utf8::encode $text;	2074	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2076	}
1901		2077
		2078	=item $client->ext_event ($type, %msg)
		2079
		2080	Sends an exti event to the client.
		2081
		2082	=cut
		2083
		2084	sub cf::client::ext_event($$%) {
		2085	my ($self, $type, %msg) = @_;
		2086
		2087	$msg{msgtype} = "event_$type";
		2088	$self->send_packet ("ext " . cf::to_json \%msg);
		2089	}
1902		2090
1903	=item $success = $client->query ($flags, "text", \&cb)	2091	=item $success = $client->query ($flags, "text", \&cb)
1904		2092
1905	Queues a query to the client, calling the given callback with	2093	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>,	2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1935	# get handled first	2123	# get handled first
1936	my $queue = delete $ns->{query_queue}	2124	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2125	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2126
1939	(shift @$queue)->[1]->($msg);	2127	(shift @$queue)->[1]->($msg);
		2128	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2129
1941	push @{ $ns->{query_queue} }, @$queue;	2130	push @{ $ns->{query_queue} }, @$queue;
1942		2131
1943	if (@{ $ns->{query_queue} } == @$queue) {	2132	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2133	if (@$queue) {
…		…
2002		2191
2003	# here we export the classes and methods available to script code	2192	# here we export the classes and methods available to script code
2004		2193
2005	=pod	2194	=pod
2006		2195
2007	The following fucntions and emthods are available within a safe environment:	2196	The following functions and methods are available within a safe environment:
2008		2197
2009	cf::object contr pay_amount pay_player map	2198	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2199	cf::object::player player
2011	cf::player peaceful	2200	cf::player peaceful
2012	cf::map trigger	2201	cf::map trigger
…		…
2097	#############################################################################	2286	#############################################################################
2098		2287
2099	=head2 EXTENSION DATABASE SUPPORT	2288	=head2 EXTENSION DATABASE SUPPORT
2100		2289
2101	Crossfire maintains a very simple database for extension use. It can	2290	Crossfire maintains a very simple database for extension use. It can
2102	currently store anything that can be serialised using Storable, which	2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2103	excludes objects.	2292	convert to/from binary).
2104		2293
2105	The parameter C<$family> should best start with the name of the extension	2294	The parameter C<$family> should best start with the name of the extension
2106	using it, it should be unique.	2295	using it, it should be unique.
2107		2296
2108	=over 4	2297	=over 4
2109		2298
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	2299	=item $value = cf::db_get $family => $key
2117		2300
2118	Returns a single value from the database	2301	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		2302
2125	=item cf::db_put $family => $key => $value	2303	=item cf::db_put $family => $key => $value
2126		2304
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you	2305	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		2306
2138	=cut	2307	=cut
2139		2308
2140	our $DB;	2309	our $DB;
2141		2310
2142	{	2311	sub db_init {
2143	my $path = cf::localdir . "/database.pst";	2312	unless ($DB) {
		2313	$DB = BDB::db_create $DB_ENV;
2144		2314
2145	sub db_load() {	2315	cf::sync_job {
2146	$DB = stat $path ? Storable::retrieve $path : { };	2316	eval {
2147	}	2317	$DB->set_flags (BDB::CHKSUM);
2148		2318
2149	my $pid;	2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2150		2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2151	sub db_save() {	2321	cf::cleanup "db_open(db): $!" if $!;
2152	waitpid $pid, 0 if $pid;	2322	};
2153	if (0 == ($pid = fork)) {	2323	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	}	2324	};
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	});	2325	}
		2326	}
2171		2327
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {	2328	sub db_get($$) {
2178	@_ >= 2	2329	my $key = "$_[0]/$_[1]";
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		2330
		2331	cf::sync_job {
		2332	BDB::db_get $DB, undef, $key, my $data;
		2333
		2334	$! ? ()
		2335	: $data
		2336	}
		2337	}
		2338
2183	sub db_put($$;$) {	2339	sub db_put($$$) {
2184	if (@_ >= 3) {	2340	BDB::dbreq_pri 4;
2185	$DB->{$_[0]}{$_[1]} = $_[2];	2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2186	} else {	2342	}
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		2343
2192	cf::global->attach (	2344	=item cf::cache $id => [$paths...], $processversion => $process
2193	prio => 10000,	2345
2194	on_cleanup => sub {	2346	Generic caching function that returns the value of the resource $id,
2195	db_sync;	2347	caching and regenerating as required.
		2348
		2349	This function can block.
		2350
		2351	=cut
		2352
		2353	sub cache {
		2354	my ($id, $src, $processversion, $process) = @_;
		2355
		2356	my $meta =
		2357	join "\x00",
		2358	$processversion,
		2359	map {
		2360	aio_stat $_
		2361	and Carp::croak "$_: $!";
		2362
		2363	($_, (stat _)[7,9])
		2364	} @$src;
		2365
		2366	my $dbmeta = db_get cache => "$id/meta";
		2367	if ($dbmeta ne $meta) {
		2368	# changed, we may need to process
		2369
		2370	my @data;
		2371	my $md5;
		2372
		2373	for (0 .. $#$src) {
		2374	0 <= aio_load $src->[$_], $data[$_]
		2375	or Carp::croak "$src->[$_]: $!";
2196	},	2376	}
2197	);	2377
		2378	# if processing is expensive, check
		2379	# checksum first
		2380	if (1) {
		2381	$md5 =
		2382	join "\x00",
		2383	$processversion,
		2384	map {
		2385	Coro::cede;
		2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2387	} 0.. $#$src;
		2388
		2389
		2390	my $dbmd5 = db_get cache => "$id/md5";
		2391	if ($dbmd5 eq $md5) {
		2392	db_put cache => "$id/meta", $meta;
		2393
		2394	return db_get cache => "$id/data";
		2395	}
		2396	}
		2397
		2398	my $t1 = Time::HiRes::time;
		2399	my $data = $process->(\@data);
		2400	my $t2 = Time::HiRes::time;
		2401
		2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2403
		2404	db_put cache => "$id/data", $data;
		2405	db_put cache => "$id/md5" , $md5;
		2406	db_put cache => "$id/meta", $meta;
		2407
		2408	return $data;
		2409	}
		2410
		2411	db_get cache => "$id/data"
2198	}	2412	}
		2413
		2414	=item fork_call { }, $args
		2415
		2416	Executes the given code block with the given arguments in a seperate
		2417	process, returning the results. Everything must be serialisable with
		2418	Coro::Storable. May, of course, block. Note that the executed sub may
		2419	never block itself or use any form of Event handling.
		2420
		2421	=cut
		2422
		2423	sub fork_call(&@) {
		2424	my ($cb, @args) = @_;
		2425
		2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2427	# or die "socketpair: $!";
		2428	pipe my $fh1, my $fh2
		2429	or die "pipe: $!";
		2430
		2431	if (my $pid = fork) {
		2432	close $fh2;
		2433
		2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2435	$res = Coro::Storable::thaw $res;
		2436
		2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2438
		2439	die $$res unless "ARRAY" eq ref $res;
		2440
		2441	return wantarray ? @$res : $res->[-1];
		2442	} else {
		2443	reset_signals;
		2444	local $SIG{__WARN__};
		2445	local $SIG{__DIE__};
		2446	eval {
		2447	close $fh1;
		2448
		2449	my @res = eval { $cb->(@args) };
		2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2451	};
		2452
		2453	warn $@ if $@;
		2454	_exit 0;
		2455	}
		2456	}
		2457
		2458
2199		2459
2200	#############################################################################	2460	#############################################################################
2201	# the server's main()	2461	# the server's init and main functions
		2462
		2463	sub load_facedata($) {
		2464	my ($path) = @_;
		2465
		2466	warn "loading facedata from $path\n";
		2467
		2468	my $facedata;
		2469	0 < aio_load $path, $facedata
		2470	or die "$path: $!";
		2471
		2472	$facedata = Coro::Storable::thaw $facedata;
		2473
		2474	$facedata->{version} == 2
		2475	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2476
		2477	{
		2478	my $faces = $facedata->{faceinfo};
		2479
		2480	while (my ($face, $info) = each %$faces) {
		2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2485	Coro::cede;
		2486	}
		2487
		2488	while (my ($face, $info) = each %$faces) {
		2489	next unless $info->{smooth};
		2490	my $idx = cf::face::find $face
		2491	or next;
		2492	if (my $smooth = cf::face::find $info->{smooth}) {
		2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2494	} else {
		2495	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2496	}
		2497	Coro::cede;
		2498	}
		2499	}
		2500
		2501	{
		2502	my $anims = $facedata->{animinfo};
		2503
		2504	while (my ($anim, $info) = each %$anims) {
		2505	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2506	Coro::cede;
		2507	}
		2508
		2509	cf::anim::invalidate_all; # d'oh
		2510	}
		2511
		2512	1
		2513	}
		2514
		2515	sub reload_regions {
		2516	load_resource_file "$MAPDIR/regions"
		2517	or die "unable to load regions file\n";
		2518	}
		2519
		2520	sub reload_facedata {
		2521	load_facedata "$DATADIR/facedata"
		2522	or die "unable to load facedata\n";
		2523	}
		2524
		2525	sub reload_archetypes {
		2526	load_resource_file "$DATADIR/archetypes"
		2527	or die "unable to load archetypes\n";
		2528	}
		2529
		2530	sub reload_treasures {
		2531	load_resource_file "$DATADIR/treasures"
		2532	or die "unable to load treasurelists\n";
		2533	}
		2534
		2535	sub reload_resources {
		2536	warn "reloading resource files...\n";
		2537
		2538	reload_regions;
		2539	reload_facedata;
		2540	reload_archetypes;
		2541	reload_treasures;
		2542
		2543	warn "finished reloading resource files\n";
		2544	}
		2545
		2546	sub init {
		2547	reload_resources;
		2548	}
2202		2549
2203	sub cfg_load {	2550	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2551	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2552	or return;
2206		2553
2207	local $/;	2554	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2555	*CFG = YAML::Syck::Load <$fh>;
2209		2556
…		…
2223		2570
2224	sub main {	2571	sub main {
2225	# we must not ever block the main coroutine	2572	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2573	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2574	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2575	(async {
2228	async { Event::one_event };	2576	Event::one_event;
		2577	})->prio (Coro::PRIO_MAX);
2229	};	2578	};
2230		2579
2231	cfg_load;	2580	cfg_load;
2232	db_load;	2581	db_init;
2233	load_extensions;	2582	load_extensions;
		2583
		2584	$TICK_WATCHER->start;
2234	Event::loop;	2585	Event::loop;
2235	}	2586	}
2236		2587
2237	#############################################################################	2588	#############################################################################
2238	# initialisation and cleanup	2589	# initialisation and cleanup
2239		2590
2240	# install some emergency cleanup handlers	2591	# install some emergency cleanup handlers
2241	BEGIN {	2592	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2593	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2594	Event->signal (
		2595	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2596	data => WF_AUTOCANCEL,
2245	signal => $signal,	2597	signal => $signal,
		2598	prio => 0,
2246	cb => sub {	2599	cb => sub {
2247	cf::cleanup "SIG$signal";	2600	cf::cleanup "SIG$signal";
2248	},	2601	},
2249	);	2602	);
2250	}	2603	}
2251	}	2604	}
…		…
2256	warn "enter emergency perl save\n";	2609	warn "enter emergency perl save\n";
2257		2610
2258	cf::sync_job {	2611	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2612	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2613	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2614	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2615	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2616	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2617	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2618	$pl->valid or next;
2266	$pl->save;	2619	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2625	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2626	$map->valid or next;
2274	$map->save;	2627	$map->save;
2275	}	2628	}
2276	warn "end emergency map save\n";	2629	warn "end emergency map save\n";
		2630
		2631	warn "begin emergency database checkpoint\n";
		2632	BDB::db_env_txn_checkpoint $DB_ENV;
		2633	warn "end emergency database checkpoint\n";
2277	};	2634	};
2278		2635
2279	warn "leave emergency perl save\n";	2636	warn "leave emergency perl save\n";
2280	}	2637	}
2281		2638
		2639	sub post_cleanup {
		2640	my ($make_core) = @_;
		2641
		2642	warn Carp::longmess "post_cleanup backtrace"
		2643	if $make_core;
		2644	}
		2645
2282	sub reload() {	2646	sub do_reload_perl() {
2283	# can/must only be called in main	2647	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2648	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2649	warn "can only reload from main coroutine";
2286	return;	2650	return;
2287	}	2651	}
2288		2652
2289	warn "reloading...";	2653	warn "reloading...";
2290		2654
2291	warn "freezing server";	2655	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2656
		2657	cf::sync_job {
		2658	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2659	cf::emergency_save;
		2660	cf::write_runtime; # external watchdog should not bark
2294		2661
2295	warn "sync database to disk";	2662	warn "syncing database to disk";
2296	cf::db_sync;	2663	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2664
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2665	# if anything goes wrong in here, we should simply crash as we already saved
2301		2666
2302	warn "cancel all watchers";	2667	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2668	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2670	}
2306		2671
		2672	warn "flushing outstanding aio requests";
		2673	for (;;) {
		2674	BDB::flush;
		2675	IO::AIO::flush;
		2676	Coro::cede;
		2677	last unless IO::AIO::nreqs || BDB::nreqs;
		2678	warn "iterate...";
		2679	}
		2680
		2681	++$RELOAD;
		2682
2307	warn "cancel all extension coros";	2683	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2684	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2685	%EXT_CORO = ();
2310		2686
2311	warn "remove commands";	2687	warn "removing commands";
2312	%COMMAND = ();	2688	%COMMAND = ();
2313		2689
2314	warn "remove ext commands";	2690	warn "removing ext commands";
2315	%EXTCMD = ();	2691	%EXTCMD = ();
2316		2692
2317	warn "unload/nuke all extensions";	2693	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2694	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	2695	warn "... unloading $pkg";
2320		2696
2321	if (my $cb = $pkg->can ("unload")) {	2697	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2698	eval {
2323	$cb->($pkg);	2699	$cb->($pkg);
2324	1	2700	1
2325	} or warn "$pkg unloaded, but with errors: $@";	2701	} or warn "$pkg unloaded, but with errors: $@";
2326	}	2702	}
2327		2703
		2704	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	2705	Symbol::delete_package $pkg;
2329	}	2706	}
2330		2707
2331	warn "unload all perl modules loaded from $LIBDIR";	2708	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	2709	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2710	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		2711
2335	warn "removing <$k>";	2712	warn "... unloading $k";
2336	delete $INC{$k};	2713	delete $INC{$k};
2337		2714
2338	$k =~ s/\.pm$//;	2715	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	2716	$k =~ s/\//::/g;
2340		2717
…		…
2343	}	2720	}
2344		2721
2345	Symbol::delete_package $k;	2722	Symbol::delete_package $k;
2346	}	2723	}
2347		2724
2348	warn "get rid of safe::, as good as possible";	2725	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	2726	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2727	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		2728
2352	warn "unload cf.pm \"a bit\"";	2729	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	2730	delete $INC{"cf.pm"};
		2731	delete $INC{"cf/pod.pm"};
2354		2732
2355	# don't, removes xs symbols, too,	2733	# don't, removes xs symbols, too,
2356	# and global variables created in xs	2734	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	2735	#Symbol::delete_package __PACKAGE__;
2358		2736
		2737	warn "unload completed, starting to reload now";
		2738
2359	warn "reloading cf.pm";	2739	warn "reloading cf.pm";
2360	require cf;	2740	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		2742
2363	warn "load config and database again";	2743	warn "loading config and database again";
2364	cf::cfg_load;	2744	cf::cfg_load;
2365	cf::db_load;
2366		2745
2367	warn "load extensions";	2746	warn "loading extensions";
2368	cf::load_extensions;	2747	cf::load_extensions;
2369		2748
2370	warn "reattach attachments to objects/players";	2749	warn "reattaching attachments to objects/players";
2371	_global_reattach;	2750	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	2751	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	2752	reattach $_ for values %MAP;
2374	};	2753	warn "reattaching attachments to players";
		2754	reattach $_ for values %PLAYER;
2375		2755
2376	if ($@) {	2756	warn "leaving sync_job";
		2757
		2758	1
		2759	} or do {
2377	warn $@;	2760	warn $@;
2378	warn "error while reloading, exiting.";	2761	warn "error while reloading, exiting.";
2379	exit 1;	2762	exit 1;
2380	}	2763	};
2381		2764
2382	warn "reloaded";	2765	warn "reloaded";
2383	};	2766	};
2384		2767
2385	#############################################################################	2768	our $RELOAD_WATCHER; # used only during reload
2386		2769
2387	unless ($LINK_MAP) {	2770	sub reload_perl() {
2388	$LINK_MAP = cf::map::new;	2771	# doing reload synchronously and two reloads happen back-to-back,
		2772	# coro crashes during coro_state_free->destroy here.
2389		2773
2390	$LINK_MAP->width (41);	2774	$RELOAD_WATCHER ||= Event->timer (
2391	$LINK_MAP->height (41);	2775	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,	2776	after => 0,
		2777	data => WF_AUTOCANCEL,
2400	cb => sub {	2778	cb => sub {
2401	$_[0]->w->cancel;	2779	do_reload_perl;
2402		2780	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	});	2781	},
2421		2782	);
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	2783	}
2427		2784
2428	register_command "reload" => sub {	2785	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	2786	my ($who, $arg) = @_;
2430		2787
2431	if ($who->flag (FLAG_WIZ)) {	2788	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	2789	$who->message ("reloading server.");
		2790	async { reload_perl };
2435	}	2791	}
2436	};	2792	};
2437		2793
2438	unshift @INC, $LIBDIR;	2794	unshift @INC, $LIBDIR;
		2795
		2796	my $bug_warning = 0;
		2797
		2798	our @WAIT_FOR_TICK;
		2799	our @WAIT_FOR_TICK_BEGIN;
		2800
		2801	sub wait_for_tick {
		2802	return unless $TICK_WATCHER->is_active;
		2803	return if $Coro::current == $Coro::main;
		2804
		2805	my $signal = new Coro::Signal;
		2806	push @WAIT_FOR_TICK, $signal;
		2807	$signal->wait;
		2808	}
		2809
		2810	sub wait_for_tick_begin {
		2811	return unless $TICK_WATCHER->is_active;
		2812	return if $Coro::current == $Coro::main;
		2813
		2814	my $signal = new Coro::Signal;
		2815	push @WAIT_FOR_TICK_BEGIN, $signal;
		2816	$signal->wait;
		2817	}
2439		2818
2440	$TICK_WATCHER = Event->timer (	2819	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	2820	reentrant => 0,
		2821	parked => 1,
2442	prio => 0,	2822	prio => 0,
2443	at => $NEXT_TICK || $TICK,	2823	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	2824	data => WF_AUTOCANCEL,
2445	cb => sub {	2825	cb => sub {
		2826	if ($Coro::current != $Coro::main) {
		2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2828	unless ++$bug_warning > 10;
		2829	return;
		2830	}
		2831
		2832	$NOW = Event::time;
		2833
2446	cf::server_tick; # one server iteration	2834	cf::server_tick; # one server iteration
		2835
2447	$RUNTIME += $TICK;	2836	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	2837	$NEXT_TICK += $TICK;
2449		2838
2450	$WAIT_FOR_TICK->broadcast;	2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2840	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2841	Coro::async_pool {
		2842	write_runtime
		2843	or warn "ERROR: unable to write runtime file: $!";
		2844	};
		2845	}
		2846
		2847	# my $AFTER = Event::time;
		2848	# warn $AFTER - $NOW;#d#
2452		2849
2453	# if we are delayed by four ticks or more, skip them all	2850	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2455		2852
2456	$TICK_WATCHER->at ($NEXT_TICK);	2853	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	2854	$TICK_WATCHER->start;
		2855
		2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2857	$sig->send;
		2858	}
		2859	while (my $sig = shift @WAIT_FOR_TICK) {
		2860	$sig->send;
		2861	}
		2862
		2863	_post_tick;
2458	},	2864	},
2459	);	2865	);
2460		2866
		2867	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	2868	BDB::max_poll_time $TICK * 0.1;
2462		2869	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	2870	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	2871	fd => BDB::poll_fileno,
2465	poll => 'r',	2872	poll => 'r',
2466	prio => 5,	2873	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	2874	data => WF_AUTOCANCEL,
2473	after => 0,	2875	cb => \&BDB::poll_cb,
2474	interval => 10,	2876	);
2475	cb => sub {	2877	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	2878
2477	write_runtime	2879	BDB::set_sync_prepare {
2478	or warn "ERROR: unable to write runtime file: $!";	2880	my $status;
		2881	my $current = $Coro::current;
		2882	(
		2883	sub {
		2884	$status = $!;
		2885	$current->ready; undef $current;
		2886	},
		2887	sub {
		2888	Coro::schedule while defined $current;
		2889	$! = $status;
		2890	},
		2891	)
		2892	};
		2893
		2894	unless ($DB_ENV) {
		2895	$DB_ENV = BDB::db_env_create;
		2896
		2897	cf::sync_job {
		2898	eval {
		2899	BDB::db_env_open
		2900	$DB_ENV,
		2901	$BDBDIR,
		2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2904	0666;
		2905
		2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2907
		2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2909	$DB_ENV->set_lk_detect;
		2910	};
		2911
		2912	cf::cleanup "db_env_open(db): $@" if $@;
2479	})->();	2913	};
2480	},	2914	}
2481	);	2915	}
		2916
		2917	{
		2918	IO::AIO::min_parallel 8;
		2919
		2920	undef $Coro::AIO::WATCHER;
		2921	IO::AIO::max_poll_time $TICK * 0.1;
		2922	$AIO_POLL_WATCHER = Event->io (
		2923	reentrant => 0,
		2924	data => WF_AUTOCANCEL,
		2925	fd => IO::AIO::poll_fileno,
		2926	poll => 'r',
		2927	prio => 6,
		2928	cb => \&IO::AIO::poll_cb,
		2929	);
		2930	}
		2931
		2932	my $_log_backtrace;
		2933
		2934	sub _log_backtrace {
		2935	my ($msg, @addr) = @_;
		2936
		2937	$msg =~ s/\n//;
		2938
		2939	# limit the # of concurrent backtraces
		2940	if ($_log_backtrace < 2) {
		2941	++$_log_backtrace;
		2942	async {
		2943	my @bt = fork_call {
		2944	@addr = map { sprintf "%x", $_ } @addr;
		2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		2947	or die "addr2line: $!";
		2948
		2949	my @funcs;
		2950	my @res = <$fh>;
		2951	chomp for @res;
		2952	while (@res) {
		2953	my ($func, $line) = splice @res, 0, 2, ();
		2954	push @funcs, "[$func] $line";
		2955	}
		2956
		2957	@funcs
		2958	};
		2959
		2960	LOG llevInfo, "[ABT] $msg\n";
		2961	LOG llevInfo, "[ABT] $_\n" for @bt;
		2962	--$_log_backtrace;
		2963	};
		2964	} else {
		2965	LOG llevInfo, "[ABT] $msg\n";
		2966	LOG llevInfo, "[ABT] [suppressed]\n";
		2967	}
		2968	}
		2969
		2970	# load additional modules
		2971	use cf::pod;
2482		2972
2483	END { cf::emergency_save }	2973	END { cf::emergency_save }
2484		2974
2485	1	2975	1
2486		2976

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