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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.196 by root, Sat Jan 27 23:59:29 2007 UTC vs.
Revision 1.272 by root, Sun Jun 3 15:32:50 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 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		59
47	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	73	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	76	our $NEXT_TICK;
52	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;
53		82
54	our %CFG;	83	our %CFG;
55		84
56	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	86	our $RUNTIME;
58		87
59	our %PLAYER; # all users	88	our %PLAYER; # all users
60	our %MAP; # all maps	89	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		91
67	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
		98
70	binmode STDOUT;	99	binmode STDOUT;
71	binmode STDERR;	100	binmode STDERR;
72		101
73	# read virtual server time, if available	102	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
78	}	107	}
79		108
80	mkdir cf::localdir;	109	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		111
86	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
87		115
88	#############################################################################	116	#############################################################################
89		117
90	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
91		119
…		…
98	=item $cf::RUNTIME	126	=item $cf::RUNTIME
99		127
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	129	every server tick.
102		130
103	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		134
105	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
107		139
108	=item $cf::NOW	140	=item $cf::NOW
109		141
110	The time of the last (current) server tick.	142	The time of the last (current) server tick.
111		143
112	=item $cf::TICK	144	=item $cf::TICK
113		145
114	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
115		157
116	=item %cf::CFG	158	=item %cf::CFG
117		159
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	161	from wherever your confdir points to.
120		162
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		164
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.
127		168
128	=back	169	=back
129		170
130	=cut	171	=cut
131		172
132	BEGIN {	173	BEGIN {
133	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	175	my $msg = join "", @_;
135	utf8::encode $msg;
136		176
137	$msg .= "\n"	177	$msg .= "\n"
138	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
139		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
140	LOG llevError, $msg;	183	LOG llevError, $msg;
141	};	184	};
142	}	185	}
143		186
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	234	$d
192	} || "[unable to dump $_[0]: '$@']";	235	} || "[unable to dump $_[0]: '$@']";
193	}	236	}
194		237
195	use JSON::Syck (); # TODO# replace by JSON::PC once working	238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
196		239
197	=item $ref = cf::from_json $json	240	=item $ref = cf::from_json $json
198		241
199	Converts a JSON string into the corresponding perl data structure.	242	Converts a JSON string into the corresponding perl data structure.
200		243
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	244	=item $json = cf::to_json $ref
209		245
210	Converts a perl data structure into its JSON representation.	246	Converts a perl data structure into its JSON representation.
211
212	=cut
213
214	sub to_json($) {
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
216	JSON::Syck::Dump $_[0]
217	}
218		247
219	=item cf::lock_wait $string	248	=item cf::lock_wait $string
220		249
221	Wait until the given lock is available. See cf::lock_acquire.	250	Wait until the given lock is available. See cf::lock_acquire.
222		251
…		…
228	returned.	257	returned.
229		258
230	Lock names should begin with a unique identifier (for example, cf::map::find	259	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	260	uses map_find and cf::map::load uses map_load).
232		261
		262	=item $locked = cf::lock_active $string
		263
		264	Return true if the lock is currently active, i.e. somebody has locked it.
		265
233	=cut	266	=cut
234		267
235	our %LOCK;	268	our %LOCK;
236		269
237	sub lock_wait($) {	270	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	289	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	290	$_->ready for @{ delete $LOCK{$key} };
258	}	291	}
259	}	292	}
260		293
		294	sub lock_active($) {
		295	my ($key) = @_;
		296
		297	! ! $LOCK{$key}
		298	}
		299
261	sub freeze_mainloop {	300	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	301	return unless $TICK_WATCHER->is_active;
263		302
264	my $guard = Coro::guard {	303	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	304	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	305	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	306	$TICK_WATCHER->stop;
270	$guard	307	$guard
271	}	308	}
272		309
273	=item cf::async { BLOCK }	310	=item cf::async { BLOCK }
…		…
295		332
296	sub sync_job(&) {	333	sub sync_job(&) {
297	my ($job) = @_;	334	my ($job) = @_;
298		335
299	if ($Coro::current == $Coro::main) {	336	if ($Coro::current == $Coro::main) {
		337	my $time = Event::time;
		338
300	# this is the main coro, too bad, we have to block	339	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	340	# till the operation succeeds, freezing the server :/
302		341
303	# TODO: use suspend/resume instead	342	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	343	# (but this is cancel-safe)
…		…
315		354
316	while ($busy) {	355	while ($busy) {
317	Coro::cede or Event::one_event;	356	Coro::cede or Event::one_event;
318	}	357	}
319		358
		359	$time = Event::time - $time;
		360
		361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		363
		364	$tick_start += $time; # do not account sync jobs to server load
		365
320	wantarray ? @res : $res[0]	366	wantarray ? @res : $res[0]
321	} else {	367	} else {
322	# we are in another coroutine, how wonderful, everything just works	368	# we are in another coroutine, how wonderful, everything just works
323		369
324	$job->()	370	$job->()
…		…
344		390
345	$coro	391	$coro
346	}	392	}
347		393
348	sub write_runtime {	394	sub write_runtime {
349	my $runtime = cf::localdir . "/runtime";	395	my $runtime = "$LOCALDIR/runtime";
		396
		397	# first touch the runtime file to show we are still running:
		398	# the fsync below can take a very very long time.
		399
		400	IO::AIO::aio_utime $runtime, undef, undef;
		401
		402	my $guard = cf::lock_acquire "write_runtime";
350		403
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
352	or return;	405	or return;
353		406
354	my $value = $cf::RUNTIME + 90 + 10;	407	my $value = $cf::RUNTIME + 90 + 10;
…		…
356	# 60 allows for the watchdog to kill the server.	409	# 60 allows for the watchdog to kill the server.
357		410
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	411	(aio_write $fh, 0, (length $value), $value, 0) <= 0
359	and return;	412	and return;
360		413
		414	# always fsync - this file is important
361	aio_fsync $fh	415	aio_fsync $fh
362	and return;	416	and return;
363		417
		418	# touch it again to show we are up-to-date
		419	aio_utime $fh, undef, undef;
		420
364	close $fh	421	close $fh
365	or return;	422	or return;
366		423
367	aio_rename "$runtime~", $runtime	424	aio_rename "$runtime~", $runtime
368	and return;	425	and return;
369		426
		427	warn "runtime file written.\n";#d#
		428
370	1	429	1
		430	}
		431
		432	=item cf::datalog type => key => value, ...
		433
		434	Log a datalog packet of the given type with the given key-value pairs.
		435
		436	=cut
		437
		438	sub datalog($@) {
		439	my ($type, %kv) = @_;
		440	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	441	}
372		442
373	=back	443	=back
374		444
375	=cut	445	=cut
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	625	$registry = $CB_TYPE[$object_type] ||= [];
556		626
557	} elsif ($type eq "subtype") {	627	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	628	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	629	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	630	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		631
562	} elsif ($type eq "package") {	632	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	633	my $pkg = shift @arg;
564		634
565	while (my ($name, $id) = each %cb_id) {	635	while (my ($name, $id) = each %cb_id) {
…		…
606	if (ref $_[0]) {	676	if (ref $_[0]) {
607	_object_attach @_;	677	_object_attach @_;
608	} else {	678	} else {
609	_attach shift->_attach_registry, @_;	679	_attach shift->_attach_registry, @_;
610	}	680	}
		681	_recalc_want;
611	};	682	};
612		683
613	# all those should be optimised	684	# all those should be optimised
614	sub cf::attachable::detach {	685	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	686	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	689	delete $obj->{_attachment}{$name};
619	reattach ($obj);	690	reattach ($obj);
620	} else {	691	} else {
621	Carp::croak "cannot, currently, detach class attachments";	692	Carp::croak "cannot, currently, detach class attachments";
622	}	693	}
		694	_recalc_want;
623	};	695	};
624		696
625	sub cf::attachable::attached {	697	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	698	my ($obj, $name) = @_;
627		699
…		…
750	$filename, length $$rdata, scalar @$objs;	822	$filename, length $$rdata, scalar @$objs;
751		823
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	825	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	827	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	828	close $fh;
757		829
758	if (@$objs) {	830	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	832	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	833	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	834	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	835	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	836	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	837	aio_rename "$filename.pst~", "$filename.pst";
766	}	838	}
767	} else {	839	} else {
768	aio_unlink "$filename.pst";	840	aio_unlink "$filename.pst";
…		…
937	Returns the given player object, loading it if necessary (might block).	1009	Returns the given player object, loading it if necessary (might block).
938		1010
939	=cut	1011	=cut
940		1012
941	sub playerdir($) {	1013	sub playerdir($) {
942	cf::localdir	1014	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1015	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1016	}
948		1017
949	sub path($) {	1018	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1019	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1020
952	(playerdir $login) . "/$login.pl"	1021	(playerdir $login) . "/playerdata"
953	}	1022	}
954		1023
955	sub find_active($) {	1024	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1025	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1026	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1039	my $login = $_[0];
971		1040
972	my $guard = cf::lock_acquire "user_find:$login";	1041	my $guard = cf::lock_acquire "user_find:$login";
973		1042
974	$cf::PLAYER{$_[0]} || do {	1043	$cf::PLAYER{$_[0]} || do {
		1044	# rename old playerfiles to new ones
		1045	#TODO: remove when no longer required
		1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1049	aio_unlink +(playerdir $login) . "/$login.pl";
		1050
975	my $pl = load_pl path $login	1051	my $pl = load_pl path $login
976	or return;	1052	or return;
977	$cf::PLAYER{$login} = $pl	1053	$cf::PLAYER{$login} = $pl
978	}	1054	}
979	}	1055	}
…		…
1016		1092
1017	=cut	1093	=cut
1018		1094
1019	sub quit_character {	1095	sub quit_character {
1020	my ($pl) = @_;	1096	my ($pl) = @_;
		1097
		1098	my $name = $pl->ob->name;
1021		1099
1022	$pl->{deny_save} = 1;	1100	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1101	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1102
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1108	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1109	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1110	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1111	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1112	$pl->destroy;
		1113
		1114	my $prefix = qr<^~\Q$name\E/>;
		1115
		1116	# nuke player maps
		1117	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1118
1035	IO::AIO::aio_rmtree $temp;	1119	IO::AIO::aio_rmtree $temp;
		1120	}
		1121
		1122	=item $pl->kick
		1123
		1124	Kicks a player out of the game. This destroys the connection.
		1125
		1126	=cut
		1127
		1128	sub kick {
		1129	my ($pl, $kicker) = @_;
		1130
		1131	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1132	$pl->killer ("kicked");
		1133	$pl->ns->destroy;
1036	}	1134	}
1037		1135
1038	=item cf::player::list_logins	1136	=item cf::player::list_logins
1039		1137
1040	Returns am arrayref of all valid playernames in the system, can take a	1138	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1139	while and may block, so not sync_job-capable, ever.
1042		1140
1043	=cut	1141	=cut
1044		1142
1045	sub list_logins {	1143	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1144	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1145	or return [];
1048		1146
1049	my @logins;	1147	my @logins;
1050		1148
1051	for my $login (@$dirs) {	1149	for my $login (@$dirs) {
…		…
1068	=cut	1166	=cut
1069		1167
1070	sub maps($) {	1168	sub maps($) {
1071	my ($pl) = @_;	1169	my ($pl) = @_;
1072		1170
		1171	$pl = ref $pl ? $pl->ob->name : $pl;
		1172
1073	my $files = aio_readdir playerdir $pl	1173	my $files = aio_readdir playerdir $pl
1074	or return;	1174	or return;
1075		1175
1076	my @paths;	1176	my @paths;
1077		1177
1078	for (@$files) {	1178	for (@$files) {
1079	utf8::decode $_;	1179	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1180	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1181	next unless /^$PATH_SEP/o;
1082		1182
1083	s/\.map$//;	1183	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1184	}
1086		1185
1087	\@paths	1186	\@paths
1088	}	1187	}
1089		1188
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1189	=item $player->ext_reply ($msgid, %msg)
1091		1190
1092	Sends an ext reply to the player.	1191	Sends an ext reply to the player.
1093		1192
1094	=cut	1193	=cut
1095		1194
1096	sub ext_reply($$$%) {	1195	sub ext_reply($$%) {
1097	my ($self, $id, %msg) = @_;	1196	my ($self, $id, %msg) = @_;
1098		1197
1099	$msg{msgid} = $id;	1198	$msg{msgid} = $id;
1100		1199
1101	$self->send ("ext " . cf::to_json \%msg);	1200	$self->send ("ext " . cf::to_json \%msg);
1102	}	1201	}
1103		1202
1104	package cf;	1203	=item $player->ext_event ($type, %msg)
		1204
		1205	Sends an ext event to the client.
		1206
		1207	=cut
		1208
		1209	sub ext_event($$%) {
		1210	my ($self, $type, %msg) = @_;
		1211
		1212	$self->ns->ext_event ($type, %msg);
		1213	}
		1214
		1215	=head3 cf::region
		1216
		1217	=over 4
		1218
		1219	=cut
		1220
		1221	package cf::region;
		1222
		1223	=item cf::region::find_by_path $path
		1224
		1225	Tries to decuce the probable region for a map knowing only its path.
		1226
		1227	=cut
		1228
		1229	sub find_by_path($) {
		1230	my ($path) = @_;
		1231
		1232	my ($match, $specificity);
		1233
		1234	for my $region (list) {
		1235	if ($region->match && $path =~ $region->match) {
		1236	($match, $specificity) = ($region, $region->specificity)
		1237	if $region->specificity > $specificity;
		1238	}
		1239	}
		1240
		1241	$match
		1242	}
1105		1243
1106	=back	1244	=back
1107
1108		1245
1109	=head3 cf::map	1246	=head3 cf::map
1110		1247
1111	=over 4	1248	=over 4
1112		1249
…		…
1178	sub normalise {	1315	sub normalise {
1179	my ($path, $base) = @_;	1316	my ($path, $base) = @_;
1180		1317
1181	$path = "$path"; # make sure its a string	1318	$path = "$path"; # make sure its a string
1182		1319
		1320	$path =~ s/\.map$//;
		1321
1183	# map plan:	1322	# map plan:
1184	#	1323	#
1185	# /! non-realised random map exit (special hack!)	1324	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1325	# {... are special paths that are not being touched
1187	# ?xxx/... are special absolute paths	1326	# ?xxx/... are special absolute paths
…		…
1248		1387
1249	# the original (read-only) location	1388	# the original (read-only) location
1250	sub load_path {	1389	sub load_path {
1251	my ($self) = @_;	1390	my ($self) = @_;
1252		1391
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1392	"$MAPDIR/$self->{path}.map"
1254	}	1393	}
1255		1394
1256	# the temporary/swap location	1395	# the temporary/swap location
1257	sub save_path {	1396	sub save_path {
1258	my ($self) = @_;	1397	my ($self) = @_;
1259		1398
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1400	"$TMPDIR/$path.map"
1262	}	1401	}
1263		1402
1264	# the unique path, undef == no special unique path	1403	# the unique path, undef == no special unique path
1265	sub uniq_path {	1404	sub uniq_path {
1266	my ($self) = @_;	1405	my ($self) = @_;
1267		1406
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1408	"$UNIQUEDIR/$path"
1270	}	1409	}
1271		1410
1272	# and all this just because we cannot iterate over	1411	# and all this just because we cannot iterate over
1273	# all maps in C++...	1412	# all maps in C++...
1274	sub change_all_map_light {	1413	sub change_all_map_light {
…		…
1288		1427
1289	sub load_header_from($) {	1428	sub load_header_from($) {
1290	my ($self, $path) = @_;	1429	my ($self, $path) = @_;
1291		1430
1292	utf8::encode $path;	1431	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1432	#aio_open $path, O_RDONLY, 0
1294	or return;	1433	# or return;
1295		1434
1296	$self->_load_header ($path)	1435	$self->_load_header ($path)
1297	or return;	1436	or return;
1298		1437
1299	$self->{load_path} = $path;	1438	$self->{load_path} = $path;
…		…
1341	$self->load_header_orig	1480	$self->load_header_orig
1342	or return;	1481	or return;
1343	$self->prepare_orig;	1482	$self->prepare_orig;
1344	}	1483	}
1345		1484
		1485	$self->default_region (cf::region::find_by_path $self->{path})
		1486	unless $self->default_region;
		1487
1346	1	1488	1
1347	}	1489	}
1348		1490
1349	sub find;	1491	sub find;
1350	sub find {	1492	sub find {
…		…
1383	my ($self) = @_;	1525	my ($self) = @_;
1384		1526
1385	local $self->{deny_reset} = 1; # loading can take a long time	1527	local $self->{deny_reset} = 1; # loading can take a long time
1386		1528
1387	my $path = $self->{path};	1529	my $path = $self->{path};
		1530
		1531	{
1388	my $guard = cf::lock_acquire "map_load:$path";	1532	my $guard = cf::lock_acquire "map_load:$path";
1389		1533
1390	return if $self->in_memory != cf::MAP_SWAPPED;	1534	return if $self->in_memory != cf::MAP_SWAPPED;
1391		1535
1392	$self->in_memory (cf::MAP_LOADING);	1536	$self->in_memory (cf::MAP_LOADING);
1393		1537
1394	$self->alloc;	1538	$self->alloc;
1395		1539
1396	$self->pre_load;	1540	$self->pre_load;
1397
1398	$self->_load_objects ($self->{load_path}, 1)
1399	or return;
1400
1401	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1402	if delete $self->{load_original};
1403
1404	if (my $uniq = $self->uniq_path) {
1405	utf8::encode $uniq;
1406	if (aio_open $uniq, O_RDONLY, 0) {
1407	$self->clear_unique_items;
1408	$self->_load_objects ($uniq, 0);
1409	}
1410	}
1411
1412	Coro::cede;
1413
1414	# now do the right thing for maps
1415	$self->link_multipart_objects;
1416
1417	unless ($self->{deny_activate}) {
1418	$self->decay_objects;
1419	$self->fix_auto_apply;
1420	$self->update_buttons;
1421	Coro::cede;	1541	Coro::cede;
1422	$self->set_darkness_map;	1542
		1543	$self->_load_objects ($self->{load_path}, 1)
		1544	or return;
		1545
		1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1547	if delete $self->{load_original};
		1548
		1549	if (my $uniq = $self->uniq_path) {
		1550	utf8::encode $uniq;
		1551	if (aio_open $uniq, O_RDONLY, 0) {
		1552	$self->clear_unique_items;
		1553	$self->_load_objects ($uniq, 0);
		1554	}
		1555	}
		1556
		1557	Coro::cede;
		1558	# now do the right thing for maps
		1559	$self->link_multipart_objects;
1423	$self->difficulty ($self->estimate_difficulty)	1560	$self->difficulty ($self->estimate_difficulty)
1424	unless $self->difficulty;	1561	unless $self->difficulty;
1425	Coro::cede;	1562	Coro::cede;
		1563
		1564	unless ($self->{deny_activate}) {
		1565	$self->decay_objects;
		1566	$self->fix_auto_apply;
		1567	$self->update_buttons;
		1568	Coro::cede;
		1569	$self->set_darkness_map;
		1570	Coro::cede;
1426	$self->activate;	1571	$self->activate;
		1572	}
		1573
		1574	$self->in_memory (cf::MAP_IN_MEMORY);
1427	}	1575	}
1428		1576
1429	$self->post_load;	1577	$self->post_load;
1430
1431	$self->in_memory (cf::MAP_IN_MEMORY);
1432	}	1578	}
1433		1579
1434	sub customise_for {	1580	sub customise_for {
1435	my ($self, $ob) = @_;	1581	my ($self, $ob) = @_;
1436		1582
…		…
1579	return if $self->players;	1725	return if $self->players;
1580	return if $self->isa ("ext::map_per_player");#d#	1726	return if $self->isa ("ext::map_per_player");#d#
1581		1727
1582	warn "resetting map ", $self->path;#d#	1728	warn "resetting map ", $self->path;#d#
1583		1729
		1730	$self->in_memory (cf::MAP_SWAPPED);
		1731
		1732	# need to save uniques path
		1733	unless ($self->{deny_save}) {
		1734	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1735
		1736	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1737	if $uniq;
		1738	}
		1739
1584	delete $cf::MAP{$self->path};	1740	delete $cf::MAP{$self->path};
1585		1741
1586	$self->in_memory (cf::MAP_SWAPPED);
1587	$self->clear;	1742	$self->clear;
1588		1743
1589	$_->clear_links_to ($self) for values %cf::MAP;	1744	$_->clear_links_to ($self) for values %cf::MAP;
1590		1745
1591	$self->unlink_save;	1746	$self->unlink_save;
…		…
1618	instantiated unique items. May block.	1773	instantiated unique items. May block.
1619		1774
1620	=cut	1775	=cut
1621		1776
1622	sub unique_maps() {	1777	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1778	my $files = aio_readdir $UNIQUEDIR
1624	or return;	1779	or return;
1625		1780
1626	my @paths;	1781	my @paths;
1627		1782
1628	for (@$files) {	1783	for (@$files) {
1629	utf8::decode $_;	1784	utf8::decode $_;
1630	next if /\.pst$/;	1785	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;	1786	next unless /^$PATH_SEP/o;
1632		1787
1633	s/\.map$//;	1788	push @paths, cf::map::normalise $_;
1634	push @paths, $_;
1635	}	1789	}
1636		1790
1637	\@paths	1791	\@paths
1638	}	1792	}
1639		1793
…		…
1748	$self->deactivate_recursive;	1902	$self->deactivate_recursive;
1749		1903
1750	return if UNIVERSAL::isa $self->map, "ext::map_link";	1904	return if UNIVERSAL::isa $self->map, "ext::map_link";
1751		1905
1752	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1753	if $self->map;	1907	if $self->map && $self->map->{path} ne "{link}";
1754		1908
1755	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1756	}	1910	}
1757		1911
1758	sub cf::object::player::leave_link {	1912	sub cf::object::player::leave_link {
1759	my ($self, $map, $x, $y) = @_;	1913	my ($self, $map, $x, $y) = @_;
		1914
		1915	return unless $self->contr->active;
1760		1916
1761	my $link_pos = delete $self->{_link_pos};	1917	my $link_pos = delete $self->{_link_pos};
1762		1918
1763	unless ($map) {	1919	unless ($map) {
1764	# restore original map position	1920	# restore original map position
…		…
1782	$map->load;	1938	$map->load;
1783	$map->load_diag;	1939	$map->load_diag;
1784		1940
1785	return unless $self->contr->active;	1941	return unless $self->contr->active;
1786	$self->activate_recursive;	1942	$self->activate_recursive;
		1943
		1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1787	$self->enter_map ($map, $x, $y);	1945	$self->enter_map ($map, $x, $y);
1788	}	1946	}
1789		1947
1790	cf::player->attach (
1791	on_logout => sub {
1792	my ($pl) = @_;
1793
1794	# abort map switching before logout
1795	if ($pl->ob->{_link_pos}) {
1796	cf::sync_job {
1797	$pl->ob->leave_link
1798	};
1799	}
1800	},
1801	on_login => sub {
1802	my ($pl) = @_;
1803
1804	# try to abort aborted map switching on player login :)
1805	# should happen only on crashes
1806	if ($pl->ob->{_link_pos}) {
1807	$pl->ob->enter_link;
1808	(async {
1809	# we need this sleep as the login has a concurrent enter_exit running
1810	# and this sleep increases chances of the player not ending up in scorn
1811	$pl->ob->reply (undef,
1812	"There was an internal problem at your last logout, "
1813	. "the server will try to bring you to your intended destination in a second.",
1814	cf::NDI_RED);
1815	Coro::Timer::sleep 1;
1816	$pl->ob->leave_link;
1817	})->prio (2);
1818	}
1819	},
1820	);
1821
1822	=item $player_object->goto ($path, $x, $y)	1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1823		1949
		1950	Moves the player to the given map-path and coordinates by first freezing
		1951	her, loading and preparing them map, calling the provided $check callback
		1952	that has to return the map if sucecssful, and then unfreezes the player on
		1953	the new (success) or old (failed) map position.
		1954
1824	=cut	1955	=cut
		1956
		1957	our $GOTOGEN;
1825		1958
1826	sub cf::object::player::goto {	1959	sub cf::object::player::goto {
1827	my ($self, $path, $x, $y) = @_;	1960	my ($self, $path, $x, $y, $check) = @_;
		1961
		1962	# do generation counting so two concurrent goto's will be executed in-order
		1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1828		1964
1829	$self->enter_link;	1965	$self->enter_link;
1830		1966
1831	(async {	1967	(async {
		1968	my $map = eval {
1832	my $map = cf::map::find $path;	1969	my $map = cf::map::find $path;
		1970
		1971	if ($map) {
1833	$map = $map->customise_for ($self) if $map;	1972	$map = $map->customise_for ($self);
1834		1973	$map = $check->($map) if $check && $map;
1835	# warn "entering ", $map->path, " at ($x, $y)\n"	1974	} else {
1836	# if $map;
1837
1838	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1976	}
1839		1977
		1978	$map
		1979	};
		1980
		1981	if ($@) {
		1982	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		1983	LOG llevError | logBacktrace, Carp::longmess $@;
		1984	}
		1985
		1986	if ($gen == $self->{_goto_generation}) {
		1987	delete $self->{_goto_generation};
1840	$self->leave_link ($map, $x, $y);	1988	$self->leave_link ($map, $x, $y);
		1989	}
1841	})->prio (1);	1990	})->prio (1);
1842	}	1991	}
1843		1992
1844	=item $player_object->enter_exit ($exit_object)	1993	=item $player_object->enter_exit ($exit_object)
1845		1994
…		…
1874	# that depends on the exit object	2023	# that depends on the exit object
1875		2024
1876	my $rmp = parse_random_map_params $exit->msg;	2025	my $rmp = parse_random_map_params $exit->msg;
1877		2026
1878	if ($exit->map) {	2027	if ($exit->map) {
1879	$rmp->{region} = $exit->map->region_name;	2028	$rmp->{region} = $exit->region->name;
1880	$rmp->{origin_map} = $exit->map->path;	2029	$rmp->{origin_map} = $exit->map->path;
1881	$rmp->{origin_x} = $exit->x;	2030	$rmp->{origin_x} = $exit->x;
1882	$rmp->{origin_y} = $exit->y;	2031	$rmp->{origin_y} = $exit->y;
1883	}	2032	}
1884		2033
1885	$rmp->{random_seed} ||= $exit->random_seed;	2034	$rmp->{random_seed} ||= $exit->random_seed;
1886		2035
1887	my $data = cf::to_json $rmp;	2036	my $data = cf::to_json $rmp;
1888	my $md5 = Digest::MD5::md5_hex $data;	2037	my $md5 = Digest::MD5::md5_hex $data;
1889	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2038	my $meta = "$RANDOMDIR/$md5.meta";
1890		2039
1891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1892	aio_write $fh, 0, (length $data), $data, 0;	2041	aio_write $fh, 0, (length $data), $data, 0;
1893	undef $fh;	2042	undef $fh;
1894	aio_rename "$meta~", $meta;	2043	aio_rename "$meta~", $meta;
…		…
1903		2052
1904	return unless $self->type == cf::PLAYER;	2053	return unless $self->type == cf::PLAYER;
1905		2054
1906	if ($exit->slaying eq "/!") {	2055	if ($exit->slaying eq "/!") {
1907	#TODO: this should de-fi-ni-te-ly not be a sync-job	2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2057	# the problem is that $exit might not survive long enough
		2058	# so it needs to be done right now, right here
1908	cf::sync_job { prepare_random_map $exit };	2059	cf::sync_job { prepare_random_map $exit };
1909	}	2060	}
1910		2061
1911	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1912	my $hp = $exit->stats->hp;	2063	my $hp = $exit->stats->hp;
…		…
1920	$self->goto ($slaying, $hp, $sp);	2071	$self->goto ($slaying, $hp, $sp);
1921		2072
1922	1;	2073	1;
1923	}) {	2074	}) {
1924	$self->message ("Something went wrong deep within the crossfire server. "	2075	$self->message ("Something went wrong deep within the crossfire server. "
1925	. "I'll try to bring you back to the map you were before. "	2076	. "I'll try to bring you back to the map you were before. "
1926	. "Please report this to the dungeon master!",	2077	. "Please report this to the dungeon master!",
1927	cf::NDI_UNIQUE | cf::NDI_RED);	2078	cf::NDI_UNIQUE | cf::NDI_RED);
1928		2079
1929	warn "ERROR in enter_exit: $@";	2080	warn "ERROR in enter_exit: $@";
1930	$self->leave_link;	2081	$self->leave_link;
1931	}	2082	}
1932	})->prio (1);	2083	})->prio (1);
…		…
1945		2096
1946	sub cf::client::send_drawinfo {	2097	sub cf::client::send_drawinfo {
1947	my ($self, $text, $flags) = @_;	2098	my ($self, $text, $flags) = @_;
1948		2099
1949	utf8::encode $text;	2100	utf8::encode $text;
1950	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1951	}	2102	}
1952		2103
		2104	=item $client->ext_event ($type, %msg)
		2105
		2106	Sends an exti event to the client.
		2107
		2108	=cut
		2109
		2110	sub cf::client::ext_event($$%) {
		2111	my ($self, $type, %msg) = @_;
		2112
		2113	$msg{msgtype} = "event_$type";
		2114	$self->send_packet ("ext " . cf::to_json \%msg);
		2115	}
1953		2116
1954	=item $success = $client->query ($flags, "text", \&cb)	2117	=item $success = $client->query ($flags, "text", \&cb)
1955		2118
1956	Queues a query to the client, calling the given callback with	2119	Queues a query to the client, calling the given callback with
1957	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1986	# get handled first	2149	# get handled first
1987	my $queue = delete $ns->{query_queue}	2150	my $queue = delete $ns->{query_queue}
1988	or return; # be conservative, not sure how that can happen, but we saw a crash here	2151	or return; # be conservative, not sure how that can happen, but we saw a crash here
1989		2152
1990	(shift @$queue)->[1]->($msg);	2153	(shift @$queue)->[1]->($msg);
		2154	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1991		2155
1992	push @{ $ns->{query_queue} }, @$queue;	2156	push @{ $ns->{query_queue} }, @$queue;
1993		2157
1994	if (@{ $ns->{query_queue} } == @$queue) {	2158	if (@{ $ns->{query_queue} } == @$queue) {
1995	if (@$queue) {	2159	if (@$queue) {
…		…
2053		2217
2054	# here we export the classes and methods available to script code	2218	# here we export the classes and methods available to script code
2055		2219
2056	=pod	2220	=pod
2057		2221
2058	The following fucntions and emthods are available within a safe environment:	2222	The following functions and methods are available within a safe environment:
2059		2223
2060	cf::object contr pay_amount pay_player map	2224	cf::object contr pay_amount pay_player map
2061	cf::object::player player	2225	cf::object::player player
2062	cf::player peaceful	2226	cf::player peaceful
2063	cf::map trigger	2227	cf::map trigger
…		…
2148	#############################################################################	2312	#############################################################################
2149		2313
2150	=head2 EXTENSION DATABASE SUPPORT	2314	=head2 EXTENSION DATABASE SUPPORT
2151		2315
2152	Crossfire maintains a very simple database for extension use. It can	2316	Crossfire maintains a very simple database for extension use. It can
2153	currently store anything that can be serialised using Storable, which	2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2154	excludes objects.	2318	convert to/from binary).
2155		2319
2156	The parameter C<$family> should best start with the name of the extension	2320	The parameter C<$family> should best start with the name of the extension
2157	using it, it should be unique.	2321	using it, it should be unique.
2158		2322
2159	=over 4	2323	=over 4
2160		2324
2161	=item $hashref = cf::db_get $family
2162
2163	Return a hashref for use by the extension C<$family>, which can be
2164	modified. After modifications, you have to call C<cf::db_dirty> or
2165	C<cf::db_sync>.
2166
2167	=item $value = cf::db_get $family => $key	2325	=item $value = cf::db_get $family => $key
2168		2326
2169	Returns a single value from the database	2327	Returns a single value from the database.
2170
2171	=item cf::db_put $family => $hashref
2172
2173	Stores the given family hashref into the database. Updates are delayed, if
2174	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2175		2328
2176	=item cf::db_put $family => $key => $value	2329	=item cf::db_put $family => $key => $value
2177		2330
2178	Stores the given C<$value> in the family hash. Updates are delayed, if you	2331	Stores the given C<$value> in the family.
2179	want the data to be synced to disk immediately, use C<cf::db_sync>.
2180
2181	=item cf::db_dirty
2182
2183	Marks the database as dirty, to be updated at a later time.
2184
2185	=item cf::db_sync
2186
2187	Immediately write the database to disk I<if it is dirty>.
2188		2332
2189	=cut	2333	=cut
2190		2334
2191	our $DB;	2335	our $DB;
2192		2336
2193	{	2337	sub db_init {
2194	my $path = cf::localdir . "/database.pst";	2338	unless ($DB) {
		2339	$DB = BDB::db_create $DB_ENV;
2195		2340
2196	sub db_load() {	2341	cf::sync_job {
2197	$DB = stat $path ? Storable::retrieve $path : { };	2342	eval {
2198	}	2343	$DB->set_flags (BDB::CHKSUM);
2199		2344
2200	my $pid;	2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2201		2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2202	sub db_save() {	2347	cf::cleanup "db_open(db): $!" if $!;
2203	waitpid $pid, 0 if $pid;	2348	};
2204	if (0 == ($pid = fork)) {	2349	cf::cleanup "db_open(db): $@" if $@;
2205	$DB->{_meta}{version} = 1;
2206	Storable::nstore $DB, "$path~";
2207	rename "$path~", $path;
2208	cf::_exit 0 if defined $pid;
2209	}	2350	};
2210	}	2351	}
		2352	}
2211		2353
2212	my $dirty;
2213
2214	sub db_sync() {
2215	db_save if $dirty;
2216	undef $dirty;
2217	}
2218
2219	my $idle = Event->idle (
2220	reentrant => 0,
2221	min => 10,
2222	max => 20,
2223	repeat => 0,
2224	data => WF_AUTOCANCEL,
2225	cb => \&db_sync,
2226	);
2227
2228	sub db_dirty() {
2229	$dirty = 1;
2230	$idle->start;
2231	}
2232
2233	sub db_get($;$) {	2354	sub db_get($$) {
2234	@_ >= 2	2355	my $key = "$_[0]/$_[1]";
2235	? $DB->{$_[0]}{$_[1]}
2236	: ($DB->{$_[0]} ||= { })
2237	}
2238		2356
		2357	cf::sync_job {
		2358	BDB::db_get $DB, undef, $key, my $data;
		2359
		2360	$! ? ()
		2361	: $data
		2362	}
		2363	}
		2364
2239	sub db_put($$;$) {	2365	sub db_put($$$) {
2240	if (@_ >= 3) {	2366	BDB::dbreq_pri 4;
2241	$DB->{$_[0]}{$_[1]} = $_[2];	2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2242	} else {	2368	}
2243	$DB->{$_[0]} = $_[1];
2244	}
2245	db_dirty;
2246	}
2247		2369
2248	cf::global->attach (	2370	=item cf::cache $id => [$paths...], $processversion => $process
2249	prio => 10000,	2371
2250	on_cleanup => sub {	2372	Generic caching function that returns the value of the resource $id,
2251	db_sync;	2373	caching and regenerating as required.
		2374
		2375	This function can block.
		2376
		2377	=cut
		2378
		2379	sub cache {
		2380	my ($id, $src, $processversion, $process) = @_;
		2381
		2382	my $meta =
		2383	join "\x00",
		2384	$processversion,
		2385	map {
		2386	aio_stat $_
		2387	and Carp::croak "$_: $!";
		2388
		2389	($_, (stat _)[7,9])
		2390	} @$src;
		2391
		2392	my $dbmeta = db_get cache => "$id/meta";
		2393	if ($dbmeta ne $meta) {
		2394	# changed, we may need to process
		2395
		2396	my @data;
		2397	my $md5;
		2398
		2399	for (0 .. $#$src) {
		2400	0 <= aio_load $src->[$_], $data[$_]
		2401	or Carp::croak "$src->[$_]: $!";
2252	},	2402	}
2253	);	2403
		2404	# if processing is expensive, check
		2405	# checksum first
		2406	if (1) {
		2407	$md5 =
		2408	join "\x00",
		2409	$processversion,
		2410	map {
		2411	Coro::cede;
		2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2413	} 0.. $#$src;
		2414
		2415
		2416	my $dbmd5 = db_get cache => "$id/md5";
		2417	if ($dbmd5 eq $md5) {
		2418	db_put cache => "$id/meta", $meta;
		2419
		2420	return db_get cache => "$id/data";
		2421	}
		2422	}
		2423
		2424	my $t1 = Time::HiRes::time;
		2425	my $data = $process->(\@data);
		2426	my $t2 = Time::HiRes::time;
		2427
		2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2429
		2430	db_put cache => "$id/data", $data;
		2431	db_put cache => "$id/md5" , $md5;
		2432	db_put cache => "$id/meta", $meta;
		2433
		2434	return $data;
		2435	}
		2436
		2437	db_get cache => "$id/data"
		2438	}
		2439
		2440	=item fork_call { }, $args
		2441
		2442	Executes the given code block with the given arguments in a seperate
		2443	process, returning the results. Everything must be serialisable with
		2444	Coro::Storable. May, of course, block. Note that the executed sub may
		2445	never block itself or use any form of Event handling.
		2446
		2447	=cut
		2448
		2449	sub fork_call(&@) {
		2450	my ($cb, @args) = @_;
		2451
		2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2453	# or die "socketpair: $!";
		2454	pipe my $fh1, my $fh2
		2455	or die "pipe: $!";
		2456
		2457	if (my $pid = fork) {
		2458	close $fh2;
		2459
		2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2461	$res = Coro::Storable::thaw $res;
		2462
		2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2464
		2465	die $$res unless "ARRAY" eq ref $res;
		2466
		2467	return wantarray ? @$res : $res->[-1];
		2468	} else {
		2469	reset_signals;
		2470	local $SIG{__WARN__};
		2471	local $SIG{__DIE__};
		2472	eval {
		2473	close $fh1;
		2474
		2475	my @res = eval { $cb->(@args) };
		2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2477	};
		2478
		2479	warn $@ if $@;
		2480	_exit 0;
		2481	}
2254	}	2482	}
2255		2483
2256	#############################################################################	2484	#############################################################################
2257	# the server's main()	2485	# the server's init and main functions
		2486
		2487	sub load_facedata($) {
		2488	my ($path) = @_;
		2489
		2490	warn "loading facedata from $path\n";
		2491
		2492	my $facedata;
		2493	0 < aio_load $path, $facedata
		2494	or die "$path: $!";
		2495
		2496	$facedata = Coro::Storable::thaw $facedata;
		2497
		2498	$facedata->{version} == 2
		2499	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2500
		2501	{
		2502	my $faces = $facedata->{faceinfo};
		2503
		2504	while (my ($face, $info) = each %$faces) {
		2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2506	warn "$face $info->{magicmap}\n" if $face =~ /obol/;#d#
		2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2510	Coro::cede;
		2511	}
		2512
		2513	while (my ($face, $info) = each %$faces) {
		2514	next unless $info->{smooth};
		2515	my $idx = cf::face::find $face
		2516	or next;
		2517	if (my $smooth = cf::face::find $info->{smooth}) {
		2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2519	} else {
		2520	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2521	}
		2522	Coro::cede;
		2523	}
		2524	}
		2525
		2526	{
		2527	my $anims = $facedata->{animinfo};
		2528
		2529	while (my ($anim, $info) = each %$anims) {
		2530	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2531	Coro::cede;
		2532	}
		2533
		2534	cf::anim::invalidate_all; # d'oh
		2535	}
		2536
		2537	1
		2538	}
		2539
		2540	sub reload_regions {
		2541	load_resource_file "$MAPDIR/regions"
		2542	or die "unable to load regions file\n";
		2543	}
		2544
		2545	sub reload_facedata {
		2546	load_facedata "$DATADIR/facedata"
		2547	or die "unable to load facedata\n";
		2548	}
		2549
		2550	sub reload_archetypes {
		2551	load_resource_file "$DATADIR/archetypes"
		2552	or die "unable to load archetypes\n";
		2553	}
		2554
		2555	sub reload_treasures {
		2556	load_resource_file "$DATADIR/treasures"
		2557	or die "unable to load treasurelists\n";
		2558	}
		2559
		2560	sub reload_resources {
		2561	warn "reloading resource files...\n";
		2562
		2563	reload_regions;
		2564	reload_facedata;
		2565	reload_archetypes;
		2566	reload_treasures;
		2567
		2568	warn "finished reloading resource files\n";
		2569	}
		2570
		2571	sub init {
		2572	reload_resources;
		2573	}
2258		2574
2259	sub cfg_load {	2575	sub cfg_load {
2260	open my $fh, "<:utf8", cf::confdir . "/config"	2576	open my $fh, "<:utf8", "$CONFDIR/config"
2261	or return;	2577	or return;
2262		2578
2263	local $/;	2579	local $/;
2264	*CFG = YAML::Syck::Load <$fh>;	2580	*CFG = YAML::Syck::Load <$fh>;
2265		2581
…		…
2285	Event::one_event;	2601	Event::one_event;
2286	})->prio (Coro::PRIO_MAX);	2602	})->prio (Coro::PRIO_MAX);
2287	};	2603	};
2288		2604
2289	cfg_load;	2605	cfg_load;
2290	db_load;	2606	db_init;
2291	load_extensions;	2607	load_extensions;
2292		2608
2293	$TICK_WATCHER->start;	2609	$TICK_WATCHER->start;
2294	Event::loop;	2610	Event::loop;
2295	}	2611	}
…		…
2334	my $map = $cf::MAP{$path} or next;	2650	my $map = $cf::MAP{$path} or next;
2335	$map->valid or next;	2651	$map->valid or next;
2336	$map->save;	2652	$map->save;
2337	}	2653	}
2338	warn "end emergency map save\n";	2654	warn "end emergency map save\n";
		2655
		2656	warn "begin emergency database checkpoint\n";
		2657	BDB::db_env_txn_checkpoint $DB_ENV;
		2658	warn "end emergency database checkpoint\n";
2339	};	2659	};
2340		2660
2341	warn "leave emergency perl save\n";	2661	warn "leave emergency perl save\n";
2342	}	2662	}
2343		2663
		2664	sub post_cleanup {
		2665	my ($make_core) = @_;
		2666
		2667	warn Carp::longmess "post_cleanup backtrace"
		2668	if $make_core;
		2669	}
		2670
2344	sub reload() {	2671	sub do_reload_perl() {
2345	# can/must only be called in main	2672	# can/must only be called in main
2346	if ($Coro::current != $Coro::main) {	2673	if ($Coro::current != $Coro::main) {
2347	warn "can only reload from main coroutine";	2674	warn "can only reload from main coroutine";
2348	return;	2675	return;
2349	}	2676	}
2350		2677
2351	warn "reloading...";	2678	warn "reloading...";
2352		2679
2353	warn "cancelling server ticker";	2680	warn "entering sync_job";
2354	$TICK_WATCHER->cancel;
2355		2681
		2682	cf::sync_job {
		2683	cf::write_runtime; # external watchdog should not bark
2356	cf::emergency_save;	2684	cf::emergency_save;
		2685	cf::write_runtime; # external watchdog should not bark
2357		2686
2358	eval {	2687	warn "syncing database to disk";
		2688	BDB::db_env_txn_checkpoint $DB_ENV;
		2689
2359	# if anything goes wrong in here, we should simply crash as we already saved	2690	# if anything goes wrong in here, we should simply crash as we already saved
2360
2361	warn "syncing database to disk";
2362	cf::db_sync;
2363		2691
2364	warn "cancelling all WF_AUTOCANCEL watchers";	2692	warn "cancelling all WF_AUTOCANCEL watchers";
2365	for (Event::all_watchers) {	2693	for (Event::all_watchers) {
2366	$_->cancel if $_->data & WF_AUTOCANCEL;	2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2367	}	2695	}
2368		2696
2369	warn "flushing outstanding aio requests";	2697	warn "flushing outstanding aio requests";
2370	for (;;) {	2698	for (;;) {
		2699	BDB::flush;
2371	IO::AIO::flush;	2700	IO::AIO::flush;
2372	Coro::cede;	2701	Coro::cede;
2373	last unless IO::AIO::nreqs;	2702	last unless IO::AIO::nreqs || BDB::nreqs;
2374	warn "iterate...";	2703	warn "iterate...";
2375	}	2704	}
		2705
		2706	++$RELOAD;
2376		2707
2377	warn "cancelling all extension coros";	2708	warn "cancelling all extension coros";
2378	$_->cancel for values %EXT_CORO;	2709	$_->cancel for values %EXT_CORO;
2379	%EXT_CORO = ();	2710	%EXT_CORO = ();
2380		2711
…		…
2420	Symbol::delete_package "safe::$_"	2751	Symbol::delete_package "safe::$_"
2421	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2422		2753
2423	warn "unloading cf.pm \"a bit\"";	2754	warn "unloading cf.pm \"a bit\"";
2424	delete $INC{"cf.pm"};	2755	delete $INC{"cf.pm"};
		2756	delete $INC{"cf/pod.pm"};
2425		2757
2426	# don't, removes xs symbols, too,	2758	# don't, removes xs symbols, too,
2427	# and global variables created in xs	2759	# and global variables created in xs
2428	#Symbol::delete_package __PACKAGE__;	2760	#Symbol::delete_package __PACKAGE__;
2429		2761
…		…
2433	require cf;	2765	require cf;
2434	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2435		2767
2436	warn "loading config and database again";	2768	warn "loading config and database again";
2437	cf::cfg_load;	2769	cf::cfg_load;
2438	cf::db_load;
2439		2770
2440	warn "loading extensions";	2771	warn "loading extensions";
2441	cf::load_extensions;	2772	cf::load_extensions;
2442		2773
2443	warn "reattaching attachments to objects/players";	2774	warn "reattaching attachments to objects/players";
2444	_global_reattach;	2775	_global_reattach; # objects, sockets
2445	warn "reattaching attachments to maps";	2776	warn "reattaching attachments to maps";
2446	reattach $_ for values %MAP;	2777	reattach $_ for values %MAP;
		2778	warn "reattaching attachments to players";
		2779	reattach $_ for values %PLAYER;
2447		2780
2448	warn "restarting server ticker";	2781	warn "leaving sync_job";
2449		2782
2450	$TICK_WATCHER->start;	2783	1
2451	};	2784	} or do {
2452
2453	if ($@) {
2454	warn $@;	2785	warn $@;
2455	warn "error while reloading, exiting.";	2786	warn "error while reloading, exiting.";
2456	exit 1;	2787	exit 1;
2457	}	2788	};
2458		2789
2459	warn "reloaded";	2790	warn "reloaded";
2460	};	2791	};
2461		2792
2462	our $RELOAD_WATCHER; # used only during reload	2793	our $RELOAD_WATCHER; # used only during reload
2463		2794
		2795	sub reload_perl() {
		2796	# doing reload synchronously and two reloads happen back-to-back,
		2797	# coro crashes during coro_state_free->destroy here.
		2798
		2799	$RELOAD_WATCHER ||= Event->timer (
		2800	reentrant => 0,
		2801	after => 0,
		2802	data => WF_AUTOCANCEL,
		2803	cb => sub {
		2804	do_reload_perl;
		2805	undef $RELOAD_WATCHER;
		2806	},
		2807	);
		2808	}
		2809
2464	register_command "reload" => sub {	2810	register_command "reload" => sub {
2465	my ($who, $arg) = @_;	2811	my ($who, $arg) = @_;
2466		2812
2467	if ($who->flag (FLAG_WIZ)) {	2813	if ($who->flag (FLAG_WIZ)) {
2468	$who->message ("reloading server.");	2814	$who->message ("reloading server.");
2469		2815	async { reload_perl };
2470	# doing reload synchronously and two reloads happen back-to-back,
2471	# coro crashes during coro_state_free->destroy here.
2472
2473	$RELOAD_WATCHER ||= Event->timer (
2474	reentrant => 0,
2475	after => 0,
2476	data => WF_AUTOCANCEL,
2477	cb => sub {
2478	reload;
2479	undef $RELOAD_WATCHER;
2480	},
2481	);
2482	}	2816	}
2483	};	2817	};
2484		2818
2485	unshift @INC, $LIBDIR;	2819	unshift @INC, $LIBDIR;
2486		2820
2487	my $bug_warning = 0;	2821	my $bug_warning = 0;
2488		2822
		2823	our @WAIT_FOR_TICK;
		2824	our @WAIT_FOR_TICK_BEGIN;
		2825
		2826	sub wait_for_tick {
		2827	return unless $TICK_WATCHER->is_active;
		2828	return if $Coro::current == $Coro::main;
		2829
		2830	my $signal = new Coro::Signal;
		2831	push @WAIT_FOR_TICK, $signal;
		2832	$signal->wait;
		2833	}
		2834
		2835	sub wait_for_tick_begin {
		2836	return unless $TICK_WATCHER->is_active;
		2837	return if $Coro::current == $Coro::main;
		2838
		2839	my $signal = new Coro::Signal;
		2840	push @WAIT_FOR_TICK_BEGIN, $signal;
		2841	$signal->wait;
		2842	}
		2843
		2844	my $min = 1e6;#d#
		2845	my $avg = 10;
2489	$TICK_WATCHER = Event->timer (	2846	$TICK_WATCHER = Event->timer (
2490	reentrant => 0,	2847	reentrant => 0,
2491	parked => 1,	2848	parked => 1,
2492	prio => 0,	2849	prio => 0,
2493	at => $NEXT_TICK || $TICK,	2850	at => $NEXT_TICK || $TICK,
…		…
2497	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2498	unless ++$bug_warning > 10;	2855	unless ++$bug_warning > 10;
2499	return;	2856	return;
2500	}	2857	}
2501		2858
2502	$NOW = Event::time;	2859	$NOW = $tick_start = Event::time;
2503		2860
2504	cf::server_tick; # one server iteration	2861	cf::server_tick; # one server iteration
		2862
		2863	0 && sync_job {#d#
		2864	for(1..10) {
		2865	my $t = Event::time;
		2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2867	or die;
		2868
		2869	$map->width (50);
		2870	$map->height (50);
		2871	$map->alloc;
		2872	$map->_load_objects ("/tmp/x.map", 1);
		2873	my $t = Event::time - $t;
		2874
		2875	#next unless $t < 0.0013;#d#
		2876	if ($t < $min) {
		2877	$min = $t;
		2878	}
		2879	$avg = $avg * 0.99 + $t * 0.01;
		2880	}
		2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2882	exit 0;
		2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2884	};
		2885
2505	$RUNTIME += $TICK;	2886	$RUNTIME += $TICK;
2506	$NEXT_TICK += $TICK;	2887	$NEXT_TICK += $TICK;
2507		2888
2508	$WAIT_FOR_TICK->broadcast;	2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2509	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2510		2891	Coro::async_pool {
2511	Event::sweep;	2892	write_runtime
2512	Coro::cede_notself;	2893	or warn "ERROR: unable to write runtime file: $!";
		2894	};
2513		2895	}
		2896
2514	# my $AFTER = Event::time;	2897	# my $AFTER = Event::time;
2515	# warn $AFTER - $NOW;#d#	2898	# warn $AFTER - $NOW;#d#
2516		2899
		2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2901	$sig->send;
		2902	}
		2903	while (my $sig = shift @WAIT_FOR_TICK) {
		2904	$sig->send;
		2905	}
		2906
		2907	$NOW = Event::time;
		2908
2517	# if we are delayed by four ticks or more, skip them all	2909	# if we are delayed by four ticks or more, skip them all
2518	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2519		2911
2520	$TICK_WATCHER->at ($NEXT_TICK);	2912	$TICK_WATCHER->at ($NEXT_TICK);
2521	$TICK_WATCHER->start;	2913	$TICK_WATCHER->start;
		2914
		2915	$LOAD = ($NOW - $tick_start) / $TICK;
		2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2917
		2918	_post_tick;
		2919
		2920
2522	},	2921	},
2523	);	2922	);
2524		2923
		2924	{
		2925	BDB::max_poll_time $TICK * 0.1;
		2926	$BDB_POLL_WATCHER = Event->io (
		2927	reentrant => 0,
		2928	fd => BDB::poll_fileno,
		2929	poll => 'r',
		2930	prio => 0,
		2931	data => WF_AUTOCANCEL,
		2932	cb => \&BDB::poll_cb,
		2933	);
		2934	BDB::min_parallel 8;
		2935
		2936	BDB::set_sync_prepare {
		2937	my $status;
		2938	my $current = $Coro::current;
		2939	(
		2940	sub {
		2941	$status = $!;
		2942	$current->ready; undef $current;
		2943	},
		2944	sub {
		2945	Coro::schedule while defined $current;
		2946	$! = $status;
		2947	},
		2948	)
		2949	};
		2950
		2951	unless ($DB_ENV) {
		2952	$DB_ENV = BDB::db_env_create;
		2953
		2954	cf::sync_job {
		2955	eval {
		2956	BDB::db_env_open
		2957	$DB_ENV,
		2958	$BDBDIR,
		2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2961	0666;
		2962
		2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2964
		2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2966	$DB_ENV->set_lk_detect;
		2967	};
		2968
		2969	cf::cleanup "db_env_open(db): $@" if $@;
		2970	};
		2971	}
		2972	}
		2973
		2974	{
		2975	IO::AIO::min_parallel 8;
		2976
		2977	undef $Coro::AIO::WATCHER;
2525	IO::AIO::max_poll_time $TICK * 0.1;	2978	IO::AIO::max_poll_time $TICK * 0.1;
2526
2527	undef $Coro::AIO::WATCHER;
2528	$AIO_POLL_WATCHER = Event->io (	2979	$AIO_POLL_WATCHER = Event->io (
2529	reentrant => 0,	2980	reentrant => 0,
		2981	data => WF_AUTOCANCEL,
2530	fd => IO::AIO::poll_fileno,	2982	fd => IO::AIO::poll_fileno,
2531	poll => 'r',	2983	poll => 'r',
2532	prio => 6,	2984	prio => 6,
2533	data => WF_AUTOCANCEL,
2534	cb => \&IO::AIO::poll_cb,	2985	cb => \&IO::AIO::poll_cb,
2535	);	2986	);
		2987	}
2536		2988
2537	$WRITE_RUNTIME_WATCHER = Event->timer (	2989	my $_log_backtrace;
2538	reentrant => 0,	2990
2539	data => WF_AUTOCANCEL,	2991	sub _log_backtrace {
2540	after => 1,	2992	my ($msg, @addr) = @_;
2541	interval => 10,	2993
2542	prio => 6, # keep it lowest so it acts like a watchdog	2994	$msg =~ s/\n//;
2543	cb => Coro::unblock_sub {	2995
2544	write_runtime	2996	# limit the # of concurrent backtraces
2545	or warn "ERROR: unable to write runtime file: $!";	2997	if ($_log_backtrace < 2) {
		2998	++$_log_backtrace;
		2999	async {
		3000	my @bt = fork_call {
		3001	@addr = map { sprintf "%x", $_ } @addr;
		3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3004	or die "addr2line: $!";
		3005
		3006	my @funcs;
		3007	my @res = <$fh>;
		3008	chomp for @res;
		3009	while (@res) {
		3010	my ($func, $line) = splice @res, 0, 2, ();
		3011	push @funcs, "[$func] $line";
		3012	}
		3013
		3014	@funcs
		3015	};
		3016
		3017	LOG llevInfo, "[ABT] $msg\n";
		3018	LOG llevInfo, "[ABT] $_\n" for @bt;
		3019	--$_log_backtrace;
		3020	};
		3021	} else {
		3022	LOG llevInfo, "[ABT] $msg\n";
		3023	LOG llevInfo, "[ABT] [suppressed]\n";
2546	},	3024	}
2547	);	3025	}
		3026
		3027	# load additional modules
		3028	use cf::pod;
2548		3029
2549	END { cf::emergency_save }	3030	END { cf::emergency_save }
2550		3031
2551	1	3032	1
2552		3033

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