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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.186 by root, Sat Jan 20 01:12:39 2007 UTC vs.
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.4 ();	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 $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		94
70	binmode STDOUT;	95	binmode STDOUT;
71	binmode STDERR;	96	binmode STDERR;
72		97
73	# read virtual server time, if available	98	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
78	}	103	}
79		104
80	mkdir cf::localdir;	105	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		107
86	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
		109
		110	sub cf::map::normalise;
87		111
88	#############################################################################	112	#############################################################################
89		113
90	=head2 GLOBAL VARIABLES	114	=head2 GLOBAL VARIABLES
91		115
…		…
98	=item $cf::RUNTIME	122	=item $cf::RUNTIME
99		123
100	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
101	every server tick.	125	every server tick.
102		126
103	=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
104		130
105	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		135
108	=item $cf::NOW	136	=item $cf::NOW
109		137
110	The time of the last (current) server tick.	138	The time of the last (current) server tick.
111		139
…		…
116	=item %cf::CFG	144	=item %cf::CFG
117		145
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	147	from wherever your confdir points to.
120		148
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	149	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		150
123	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
124	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
125	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.
126	window of cpu time available, or simply to synchronise to the server tick.
127		154
128	=back	155	=back
129		156
130	=cut	157	=cut
131		158
132	BEGIN {	159	BEGIN {
133	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	161	my $msg = join "", @_;
135	utf8::encode $msg;
136		162
137	$msg .= "\n"	163	$msg .= "\n"
138	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
139		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
140	LOG llevError, $msg;	169	LOG llevError, $msg;
141	};	170	};
142	}	171	}
143		172
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@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;	219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	220	$d
192	} || "[unable to dump $_[0]: '$@']";	221	} || "[unable to dump $_[0]: '$@']";
193	}	222	}
194		223
195	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
196		225
197	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
198		227
199	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
200		229
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
209		231
210	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
211
212	=cut
213
214	sub to_json($) {
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
216	JSON::Syck::Dump $_[0]
217	}
218		233
219	=item cf::lock_wait $string	234	=item cf::lock_wait $string
220		235
221	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
222		237
…		…
228	returned.	243	returned.
229		244
230	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
231	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
232		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
233	=cut	252	=cut
234		253
235	our %LOCK;	254	our %LOCK;
236		255
237	sub lock_wait($) {	256	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
258	}	277	}
259	}	278	}
260		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
		284	}
		285
261	sub freeze_mainloop {	286	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
263		288
264	my $guard = Coro::guard {	289	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	290	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	291	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	292	$TICK_WATCHER->stop;
270	$guard	293	$guard
271	}	294	}
272		295
273	=item cf::async { BLOCK }	296	=item cf::async { BLOCK }
…		…
344		367
345	$coro	368	$coro
346	}	369	}
347		370
348	sub write_runtime {	371	sub write_runtime {
349	my $runtime = cf::localdir . "/runtime";	372	my $runtime = "$LOCALDIR/runtime";
350		373
		374	# first touch the runtime file to show we are still running:
		375	# the fsync below can take a very very long time.
		376
		377	warn "touching runtime...\n";#d#
		378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {
		379	utime undef, undef, $fh;
		380	}
		381
		382	my $guard = cf::lock_acquire "write_runtime";
		383
		384	warn "starting to write runtime...\n";#d#
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
352	or return;	386	or return;
353		387
354	my $value = $cf::RUNTIME + 90 + 10;	388	my $value = $cf::RUNTIME + 90 + 10;
355	# 10 is the runtime save interval, for a monotonic clock	389	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.	390	# 60 allows for the watchdog to kill the server.
357		391
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	392	(aio_write $fh, 0, (length $value), $value, 0) <= 0
359	and return;	393	and return;
360		394
		395	# always fsync - this file is important
361	aio_fsync $fh	396	aio_fsync $fh
362	and return;	397	and return;
363		398
		399	# touch it again to show we are up-to-date
		400	utime undef, undef, $fh;
		401
364	close $fh	402	close $fh
365	or return;	403	or return;
366		404
367	aio_rename "$runtime~", $runtime	405	aio_rename "$runtime~", $runtime
368	and return;	406	and return;
369		407
		408	warn "... done writing runtime.\n";#d#
		409
370	1	410	1
		411	}
		412
		413	=item cf::datalog type => key => value, ...
		414
		415	Log a datalog packet of the given type with the given key-value pairs.
		416
		417	=cut
		418
		419	sub datalog($@) {
		420	my ($type, %kv) = @_;
		421	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	422	}
372		423
373	=back	424	=back
374		425
375	=cut	426	=cut
…		…
750	$filename, length $$rdata, scalar @$objs;	801	$filename, length $$rdata, scalar @$objs;
751		802
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	804	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	806	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	807	close $fh;
757		808
758	if (@$objs) {	809	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	810	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	811	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	812	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	813	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	814	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	815	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	816	aio_rename "$filename.pst~", "$filename.pst";
766	}	817	}
767	} else {	818	} else {
768	aio_unlink "$filename.pst";	819	aio_unlink "$filename.pst";
…		…
937	Returns the given player object, loading it if necessary (might block).	988	Returns the given player object, loading it if necessary (might block).
938		989
939	=cut	990	=cut
940		991
941	sub playerdir($) {	992	sub playerdir($) {
942	cf::localdir	993	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	994	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	995	}
948		996
949	sub path($) {	997	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	998	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		999
952	(playerdir $login) . "/$login.pl"	1000	(playerdir $login) . "/playerdata"
953	}	1001	}
954		1002
955	sub find_active($) {	1003	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1004	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1005	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1018	my $login = $_[0];
971		1019
972	my $guard = cf::lock_acquire "user_find:$login";	1020	my $guard = cf::lock_acquire "user_find:$login";
973		1021
974	$cf::PLAYER{$_[0]} || do {	1022	$cf::PLAYER{$_[0]} || do {
		1023	# rename old playerfiles to new ones
		1024	#TODO: remove when no longer required
		1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1028	aio_unlink +(playerdir $login) . "/$login.pl";
		1029
975	my $pl = load_pl path $login	1030	my $pl = load_pl path $login
976	or return;	1031	or return;
977	$cf::PLAYER{$login} = $pl	1032	$cf::PLAYER{$login} = $pl
978	}	1033	}
979	}	1034	}
…		…
1016		1071
1017	=cut	1072	=cut
1018		1073
1019	sub quit_character {	1074	sub quit_character {
1020	my ($pl) = @_;	1075	my ($pl) = @_;
		1076
		1077	my $name = $pl->ob->name;
1021		1078
1022	$pl->{deny_save} = 1;	1079	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1080	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1081
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1087	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1088	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1089	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1090	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1091	$pl->destroy;
		1092
		1093	my $prefix = qr<^~\Q$name\E/>;
		1094
		1095	# nuke player maps
		1096	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1097
1035	IO::AIO::aio_rmtree $temp;	1098	IO::AIO::aio_rmtree $temp;
		1099	}
		1100
		1101	=item $pl->kick
		1102
		1103	Kicks a player out of the game. This destroys the connection.
		1104
		1105	=cut
		1106
		1107	sub kick {
		1108	my ($pl, $kicker) = @_;
		1109
		1110	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1111	$pl->killer ("kicked");
		1112	$pl->ns->destroy;
1036	}	1113	}
1037		1114
1038	=item cf::player::list_logins	1115	=item cf::player::list_logins
1039		1116
1040	Returns am arrayref of all valid playernames in the system, can take a	1117	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1118	while and may block, so not sync_job-capable, ever.
1042		1119
1043	=cut	1120	=cut
1044		1121
1045	sub list_logins {	1122	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1123	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1124	or return [];
1048		1125
1049	my @logins;	1126	my @logins;
1050		1127
1051	for my $login (@$dirs) {	1128	for my $login (@$dirs) {
…		…
1068	=cut	1145	=cut
1069		1146
1070	sub maps($) {	1147	sub maps($) {
1071	my ($pl) = @_;	1148	my ($pl) = @_;
1072		1149
		1150	$pl = ref $pl ? $pl->ob->name : $pl;
		1151
1073	my $files = aio_readdir playerdir $pl	1152	my $files = aio_readdir playerdir $pl
1074	or return;	1153	or return;
1075		1154
1076	my @paths;	1155	my @paths;
1077		1156
1078	for (@$files) {	1157	for (@$files) {
1079	utf8::decode $_;	1158	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1159	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1160	next unless /^$PATH_SEP/o;
1082		1161
1083	s/\.map$//;	1162	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1163	}
1086		1164
1087	\@paths	1165	\@paths
1088	}	1166	}
1089		1167
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1168	=item $player->ext_reply ($msgid, %msg)
1091		1169
1092	Sends an ext reply to the player.	1170	Sends an ext reply to the player.
1093		1171
1094	=cut	1172	=cut
1095		1173
1096	sub ext_reply($$$%) {	1174	sub ext_reply($$%) {
1097	my ($self, $id, %msg) = @_;	1175	my ($self, $id, %msg) = @_;
1098		1176
1099	$msg{msgid} = $id;	1177	$msg{msgid} = $id;
1100		1178
1101	$self->send ("ext " . cf::to_json \%msg);	1179	$self->send ("ext " . cf::to_json \%msg);
1102	}	1180	}
1103		1181
1104	package cf;	1182	=item $player->ext_event ($type, %msg)
		1183
		1184	Sends an ext event to the client.
		1185
		1186	=cut
		1187
		1188	sub ext_event($$%) {
		1189	my ($self, $type, %msg) = @_;
		1190
		1191	$self->ns->ext_event ($type, %msg);
		1192	}
		1193
		1194	=head3 cf::region
		1195
		1196	=over 4
		1197
		1198	=cut
		1199
		1200	package cf::region;
		1201
		1202	=item cf::region::find_by_path $path
		1203
		1204	Tries to decuce the probable region for a map knowing only its path.
		1205
		1206	=cut
		1207
		1208	sub find_by_path($) {
		1209	my ($path) = @_;
		1210
		1211	my ($match, $specificity);
		1212
		1213	for my $region (list) {
		1214	if ($region->match && $path =~ $region->match) {
		1215	($match, $specificity) = ($region, $region->specificity)
		1216	if $region->specificity > $specificity;
		1217	}
		1218	}
		1219
		1220	$match
		1221	}
1105		1222
1106	=back	1223	=back
1107
1108		1224
1109	=head3 cf::map	1225	=head3 cf::map
1110		1226
1111	=over 4	1227	=over 4
1112		1228
…		…
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1256	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}	1257	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)	1258	)
1143	}	1259	}
1144		1260
		1261	=item cf::map->register ($regex, $prio)
		1262
		1263	Register a handler for the map path matching the given regex at the
		1264	givne priority (higher is better, built-in handlers have priority 0, the
		1265	default).
		1266
		1267	=cut
		1268
1145	sub register {	1269	sub register {
1146	my (undef, $regex) = @_;	1270	my (undef, $regex, $prio) = @_;
1147	my $pkg = caller;	1271	my $pkg = caller;
1148		1272
1149	no strict;	1273	no strict;
1150	push @{"$pkg\::ISA"}, __PACKAGE__;	1274	push @{"$pkg\::ISA"}, __PACKAGE__;
1151		1275
1152	$EXT_MAP{$pkg} = qr<$regex>;	1276	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1153	}	1277	}
1154		1278
1155	# also paths starting with '/'	1279	# also paths starting with '/'
1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1280	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1157		1281
1158	sub thawer_merge {	1282	sub thawer_merge {
1159	my ($self, $merge) = @_;	1283	my ($self, $merge) = @_;
1160		1284
1161	# we have to keep some variables in memory intact	1285	# we have to keep some variables in memory intact
…		…
1167	$self->SUPER::thawer_merge ($merge);	1291	$self->SUPER::thawer_merge ($merge);
1168	}	1292	}
1169		1293
1170	sub normalise {	1294	sub normalise {
1171	my ($path, $base) = @_;	1295	my ($path, $base) = @_;
		1296
		1297	$path = "$path"; # make sure its a string
		1298
		1299	$path =~ s/\.map$//;
1172		1300
1173	# map plan:	1301	# map plan:
1174	#	1302	#
1175	# /! non-realised random map exit (special hack!)	1303	# /! non-realised random map exit (special hack!)
1176	# {... are special paths that are not being touched	1304	# {... are special paths that are not being touched
…		…
1204		1332
1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1333	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1206		1334
1207	$path = normalise $path, $base;	1335	$path = normalise $path, $base;
1208		1336
1209	for my $pkg (keys %EXT_MAP) {	1337	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1210	if ($path =~ $EXT_MAP{$pkg}) {	1338	if ($path =~ $EXT_MAP{$pkg}[1]) {
1211	my $self = bless cf::map::new, $pkg;	1339	my $self = bless cf::map::new, $pkg;
1212	$self->{path} = $path; $self->path ($path);	1340	$self->{path} = $path; $self->path ($path);
1213	$self->init; # pass $1 etc.	1341	$self->init; # pass $1 etc.
1214	return $self;	1342	return $self;
1215	}	1343	}
1216	}	1344	}
1217		1345
1218	Carp::carp "unable to resolve path '$path'.";	1346	Carp::carp "unable to resolve path '$path' (base '$base').";
1219	()	1347	()
1220	}	1348	}
1221		1349
1222	sub init {	1350	sub init {
1223	my ($self) = @_;	1351	my ($self) = @_;
…		…
1238		1366
1239	# the original (read-only) location	1367	# the original (read-only) location
1240	sub load_path {	1368	sub load_path {
1241	my ($self) = @_;	1369	my ($self) = @_;
1242		1370
1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1371	"$MAPDIR/$self->{path}.map"
1244	}	1372	}
1245		1373
1246	# the temporary/swap location	1374	# the temporary/swap location
1247	sub save_path {	1375	sub save_path {
1248	my ($self) = @_;	1376	my ($self) = @_;
1249		1377
1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1379	"$TMPDIR/$path.map"
1252	}	1380	}
1253		1381
1254	# the unique path, undef == no special unique path	1382	# the unique path, undef == no special unique path
1255	sub uniq_path {	1383	sub uniq_path {
1256	my ($self) = @_;	1384	my ($self) = @_;
1257		1385
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1387	"$UNIQUEDIR/$path"
1260	}	1388	}
1261		1389
1262	# and all this just because we cannot iterate over	1390	# and all this just because we cannot iterate over
1263	# all maps in C++...	1391	# all maps in C++...
1264	sub change_all_map_light {	1392	sub change_all_map_light {
…		…
1278		1406
1279	sub load_header_from($) {	1407	sub load_header_from($) {
1280	my ($self, $path) = @_;	1408	my ($self, $path) = @_;
1281		1409
1282	utf8::encode $path;	1410	utf8::encode $path;
1283	aio_open $path, O_RDONLY, 0	1411	#aio_open $path, O_RDONLY, 0
1284	or return;	1412	# or return;
1285		1413
1286	$self->_load_header ($path)	1414	$self->_load_header ($path)
1287	or return;	1415	or return;
1288		1416
1289	$self->{load_path} = $path;	1417	$self->{load_path} = $path;
1290		1418
1291	1	1419	1
1292	}	1420	}
1293		1421
1294	sub load_orig {	1422	sub load_header_orig {
1295	my ($self) = @_;	1423	my ($self) = @_;
1296		1424
1297	$self->load_header_from ($self->load_path)	1425	$self->load_header_from ($self->load_path)
1298	}	1426	}
1299		1427
1300	sub load_temp {	1428	sub load_header_temp {
1301	my ($self) = @_;	1429	my ($self) = @_;
1302		1430
1303	$self->load_header_from ($self->save_path)	1431	$self->load_header_from ($self->save_path)
		1432	}
		1433
		1434	sub prepare_temp {
		1435	my ($self) = @_;
		1436
		1437	$self->last_access ((delete $self->{last_access})
		1438	|| $cf::RUNTIME); #d#
		1439	# safety
		1440	$self->{instantiate_time} = $cf::RUNTIME
		1441	if $self->{instantiate_time} > $cf::RUNTIME;
		1442	}
		1443
		1444	sub prepare_orig {
		1445	my ($self) = @_;
		1446
		1447	$self->{load_original} = 1;
		1448	$self->{instantiate_time} = $cf::RUNTIME;
		1449	$self->last_access ($cf::RUNTIME);
		1450	$self->instantiate;
1304	}	1451	}
1305		1452
1306	sub load_header {	1453	sub load_header {
1307	my ($self) = @_;	1454	my ($self) = @_;
1308		1455
1309	if ($self->load_temp) {	1456	if ($self->load_header_temp) {
1310	$self->last_access ((delete $self->{last_access})	1457	$self->prepare_temp;
1311	|| $cf::RUNTIME); #d#
1312	# safety
1313	$self->{instantiate_time} = $cf::RUNTIME
1314	if $self->{instantiate_time} > $cf::RUNTIME;
1315	} else {	1458	} else {
1316	$self->load_orig	1459	$self->load_header_orig
1317	or return;	1460	or return;
1318		1461	$self->prepare_orig;
1319	$self->{load_original} = 1;
1320	$self->{instantiate_time} = $cf::RUNTIME;
1321	$self->last_access ($cf::RUNTIME);
1322	$self->instantiate;
1323	}	1462	}
		1463
		1464	$self->default_region (cf::region::find_by_path $self->{path})
		1465	unless $self->default_region;
1324		1466
1325	1	1467	1
1326	}	1468	}
1327		1469
1328	sub find;	1470	sub find;
…		…
1341	$map->{last_save} = $cf::RUNTIME;	1483	$map->{last_save} = $cf::RUNTIME;
1342		1484
1343	$map->load_header	1485	$map->load_header
1344	or return;	1486	or return;
1345		1487
1346	if ($map->should_reset) {	1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1347	# doing this can freeze the server in a sync job, obviously	1489	# doing this can freeze the server in a sync job, obviously
1348	#$cf::WAIT_FOR_TICK->wait;	1490	#$cf::WAIT_FOR_TICK->wait;
1349	$map->reset;	1491	$map->reset;
1350	undef $guard;	1492	undef $guard;
1351	$map = find $path	1493	return find $path;
1352	or return;
1353	}	1494	}
1354		1495
1355	$cf::MAP{$path} = $map	1496	$cf::MAP{$path} = $map
1356	}	1497	}
1357	}	1498	}
		1499
		1500	sub pre_load { }
		1501	sub post_load { }
1358		1502
1359	sub load {	1503	sub load {
1360	my ($self) = @_;	1504	my ($self) = @_;
1361		1505
		1506	local $self->{deny_reset} = 1; # loading can take a long time
		1507
1362	my $path = $self->{path};	1508	my $path = $self->{path};
		1509
		1510	{
1363	my $guard = cf::lock_acquire "map_load:$path";	1511	my $guard = cf::lock_acquire "map_load:$path";
1364		1512
1365	return if $self->in_memory != cf::MAP_SWAPPED;	1513	return if $self->in_memory != cf::MAP_SWAPPED;
1366		1514
1367	$self->in_memory (cf::MAP_LOADING);	1515	$self->in_memory (cf::MAP_LOADING);
1368		1516
1369	$self->alloc;	1517	$self->alloc;
1370	$self->_load_objects ($self->{load_path}, 1)
1371	or return;
1372		1518
1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1519	$self->pre_load;
1374	if delete $self->{load_original};
1375
1376	if (my $uniq = $self->uniq_path) {
1377	utf8::encode $uniq;
1378	if (aio_open $uniq, O_RDONLY, 0) {
1379	$self->clear_unique_items;
1380	$self->_load_objects ($uniq, 0);
1381	}
1382	}
1383
1384	Coro::cede;
1385
1386	# now do the right thing for maps
1387	$self->link_multipart_objects;
1388
1389	unless ($self->{deny_activate}) {
1390	$self->decay_objects;
1391	$self->fix_auto_apply;
1392	$self->update_buttons;
1393	Coro::cede;	1520	Coro::cede;
1394	$self->set_darkness_map;	1521
		1522	$self->_load_objects ($self->{load_path}, 1)
		1523	or return;
		1524
		1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1526	if delete $self->{load_original};
		1527
		1528	if (my $uniq = $self->uniq_path) {
		1529	utf8::encode $uniq;
		1530	if (aio_open $uniq, O_RDONLY, 0) {
		1531	$self->clear_unique_items;
		1532	$self->_load_objects ($uniq, 0);
		1533	}
		1534	}
		1535
		1536	Coro::cede;
		1537	# now do the right thing for maps
		1538	$self->link_multipart_objects;
1395	$self->difficulty ($self->estimate_difficulty)	1539	$self->difficulty ($self->estimate_difficulty)
1396	unless $self->difficulty;	1540	unless $self->difficulty;
1397	Coro::cede;	1541	Coro::cede;
		1542
		1543	unless ($self->{deny_activate}) {
		1544	$self->decay_objects;
		1545	$self->fix_auto_apply;
		1546	$self->update_buttons;
		1547	Coro::cede;
		1548	$self->set_darkness_map;
		1549	Coro::cede;
1398	$self->activate;	1550	$self->activate;
1399	}	1551	}
1400		1552
1401	$self->in_memory (cf::MAP_IN_MEMORY);	1553	$self->in_memory (cf::MAP_IN_MEMORY);
		1554	}
		1555
		1556	$self->post_load;
1402	}	1557	}
1403		1558
1404	sub customise_for {	1559	sub customise_for {
1405	my ($self, $ob) = @_;	1560	my ($self, $ob) = @_;
1406		1561
…		…
1469	delete $MAP_PREFETCH{$path};	1624	delete $MAP_PREFETCH{$path};
1470	}	1625	}
1471	}	1626	}
1472	undef $MAP_PREFETCHER;	1627	undef $MAP_PREFETCHER;
1473	};	1628	};
		1629	$MAP_PREFETCHER->prio (6);
1474		1630
1475	()	1631	()
1476	}	1632	}
1477		1633
1478	sub save {	1634	sub save {
…		…
1548	return if $self->players;	1704	return if $self->players;
1549	return if $self->isa ("ext::map_per_player");#d#	1705	return if $self->isa ("ext::map_per_player");#d#
1550		1706
1551	warn "resetting map ", $self->path;#d#	1707	warn "resetting map ", $self->path;#d#
1552		1708
		1709	$self->in_memory (cf::MAP_SWAPPED);
		1710
		1711	# need to save uniques path
		1712	unless ($self->{deny_save}) {
		1713	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1714
		1715	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1716	if $uniq;
		1717	}
		1718
1553	delete $cf::MAP{$self->path};	1719	delete $cf::MAP{$self->path};
1554		1720
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	$self->clear;	1721	$self->clear;
1557		1722
1558	$_->clear_links_to ($self) for values %cf::MAP;	1723	$_->clear_links_to ($self) for values %cf::MAP;
1559		1724
1560	$self->unlink_save;	1725	$self->unlink_save;
…		…
1587	instantiated unique items. May block.	1752	instantiated unique items. May block.
1588		1753
1589	=cut	1754	=cut
1590		1755
1591	sub unique_maps() {	1756	sub unique_maps() {
1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1757	my $files = aio_readdir $UNIQUEDIR
1593	or return;	1758	or return;
1594		1759
1595	my @paths;	1760	my @paths;
1596		1761
1597	for (@$files) {	1762	for (@$files) {
1598	utf8::decode $_;	1763	utf8::decode $_;
1599	next if /\.pst$/;	1764	next if /\.pst$/;
1600	next unless /^$PATH_SEP/o;	1765	next unless /^$PATH_SEP/o;
1601		1766
1602	s/\.map$//;	1767	push @paths, cf::map::normalise $_;
1603	push @paths, $_;
1604	}	1768	}
1605		1769
1606	\@paths	1770	\@paths
1607	}	1771	}
1608		1772
…		…
1702	=cut	1866	=cut
1703		1867
1704	sub link_map {	1868	sub link_map {
1705	unless ($LINK_MAP) {	1869	unless ($LINK_MAP) {
1706	$LINK_MAP = cf::map::find "{link}"	1870	$LINK_MAP = cf::map::find "{link}"
1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1871	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1708	$LINK_MAP->load;	1872	$LINK_MAP->load;
1709	}	1873	}
1710		1874
1711	$LINK_MAP	1875	$LINK_MAP
1712	}	1876	}
…		…
1719	return if UNIVERSAL::isa $self->map, "ext::map_link";	1883	return if UNIVERSAL::isa $self->map, "ext::map_link";
1720		1884
1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1722	if $self->map;	1886	if $self->map;
1723		1887
1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1725	}	1889	}
1726		1890
1727	sub cf::object::player::leave_link {	1891	sub cf::object::player::leave_link {
1728	my ($self, $map, $x, $y) = @_;	1892	my ($self, $map, $x, $y) = @_;
1729		1893
…		…
1751	$map->load;	1915	$map->load;
1752	$map->load_diag;	1916	$map->load_diag;
1753		1917
1754	return unless $self->contr->active;	1918	return unless $self->contr->active;
1755	$self->activate_recursive;	1919	$self->activate_recursive;
		1920
		1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1756	$self->enter_map ($map, $x, $y);	1922	$self->enter_map ($map, $x, $y);
1757	}	1923	}
1758		1924
1759	cf::player->attach (	1925	cf::player->attach (
1760	on_logout => sub {	1926	on_logout => sub {
…		…
1773	# try to abort aborted map switching on player login :)	1939	# try to abort aborted map switching on player login :)
1774	# should happen only on crashes	1940	# should happen only on crashes
1775	if ($pl->ob->{_link_pos}) {	1941	if ($pl->ob->{_link_pos}) {
1776	$pl->ob->enter_link;	1942	$pl->ob->enter_link;
1777	(async {	1943	(async {
1778	# we need this sleep as the login has a concurrent enter_exit running
1779	# and this sleep increases chances of the player not ending up in scorn
1780	$pl->ob->reply (undef,	1944	$pl->ob->reply (undef,
1781	"There was an internal problem at your last logout, "	1945	"There was an internal problem at your last logout, "
1782	. "the server will try to bring you to your intended destination in a second.",	1946	. "the server will try to bring you to your intended destination in a second.",
1783	cf::NDI_RED);	1947	cf::NDI_RED);
		1948	# we need this sleep as the login has a concurrent enter_exit running
		1949	# and this sleep increases chances of the player not ending up in scorn
1784	Coro::Timer::sleep 1;	1950	Coro::Timer::sleep 1;
1785	$pl->ob->leave_link;	1951	$pl->ob->leave_link;
1786	})->prio (2);	1952	})->prio (2);
1787	}	1953	}
1788	},	1954	},
…		…
1796	my ($self, $path, $x, $y) = @_;	1962	my ($self, $path, $x, $y) = @_;
1797		1963
1798	$self->enter_link;	1964	$self->enter_link;
1799		1965
1800	(async {	1966	(async {
		1967	my $map = eval {
1801	my $map = cf::map::find $path;	1968	my $map = cf::map::find $path;
1802	$map = $map->customise_for ($self) if $map;	1969	$map = $map->customise_for ($self) if $map;
1803		1970	$map
1804	# warn "entering ", $map->path, " at ($x, $y)\n"	1971	} or
1805	# if $map;
1806
1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1808		1973
1809	$self->leave_link ($map, $x, $y);	1974	$self->leave_link ($map, $x, $y);
1810	})->prio (1);	1975	})->prio (1);
1811	}	1976	}
1812		1977
…		…
1843	# that depends on the exit object	2008	# that depends on the exit object
1844		2009
1845	my $rmp = parse_random_map_params $exit->msg;	2010	my $rmp = parse_random_map_params $exit->msg;
1846		2011
1847	if ($exit->map) {	2012	if ($exit->map) {
1848	$rmp->{region} = $exit->map->region_name;	2013	$rmp->{region} = $exit->region->name;
1849	$rmp->{origin_map} = $exit->map->path;	2014	$rmp->{origin_map} = $exit->map->path;
1850	$rmp->{origin_x} = $exit->x;	2015	$rmp->{origin_x} = $exit->x;
1851	$rmp->{origin_y} = $exit->y;	2016	$rmp->{origin_y} = $exit->y;
1852	}	2017	}
1853		2018
1854	$rmp->{random_seed} ||= $exit->random_seed;	2019	$rmp->{random_seed} ||= $exit->random_seed;
1855		2020
1856	my $data = cf::to_json $rmp;	2021	my $data = cf::to_json $rmp;
1857	my $md5 = Digest::MD5::md5_hex $data;	2022	my $md5 = Digest::MD5::md5_hex $data;
1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2023	my $meta = "$RANDOMDIR/$md5.meta";
1859		2024
1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1861	aio_write $fh, 0, (length $data), $data, 0;	2026	aio_write $fh, 0, (length $data), $data, 0;
1862	undef $fh;	2027	undef $fh;
1863	aio_rename "$meta~", $meta;	2028	aio_rename "$meta~", $meta;
…		…
1870	sub cf::object::player::enter_exit {	2035	sub cf::object::player::enter_exit {
1871	my ($self, $exit) = @_;	2036	my ($self, $exit) = @_;
1872		2037
1873	return unless $self->type == cf::PLAYER;	2038	return unless $self->type == cf::PLAYER;
1874		2039
		2040	if ($exit->slaying eq "/!") {
		2041	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2042	# the problem is that $exit might not survive long enough
		2043	# so it needs to be done right now, right here
		2044	cf::sync_job { prepare_random_map $exit };
		2045	}
		2046
		2047	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2048	my $hp = $exit->stats->hp;
		2049	my $sp = $exit->stats->sp;
		2050
1875	$self->enter_link;	2051	$self->enter_link;
1876		2052
1877	(async {	2053	(async {
1878	$self->deactivate_recursive; # just to be sure	2054	$self->deactivate_recursive; # just to be sure
1879	unless (eval {	2055	unless (eval {
1880	prepare_random_map $exit	2056	$self->goto ($slaying, $hp, $sp);
1881	if $exit->slaying eq "/!";
1882
1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1885		2057
1886	1;	2058	1;
1887	}) {	2059	}) {
1888	$self->message ("Something went wrong deep within the crossfire server. "	2060	$self->message ("Something went wrong deep within the crossfire server. "
1889	. "I'll try to bring you back to the map you were before. "	2061	. "I'll try to bring you back to the map you were before. "
1890	. "Please report this to the dungeon master!",	2062	. "Please report this to the dungeon master!",
1891	cf::NDI_UNIQUE | cf::NDI_RED);	2063	cf::NDI_UNIQUE | cf::NDI_RED);
1892		2064
1893	warn "ERROR in enter_exit: $@";	2065	warn "ERROR in enter_exit: $@";
1894	$self->leave_link;	2066	$self->leave_link;
1895	}	2067	}
1896	})->prio (1);	2068	})->prio (1);
…		…
1909		2081
1910	sub cf::client::send_drawinfo {	2082	sub cf::client::send_drawinfo {
1911	my ($self, $text, $flags) = @_;	2083	my ($self, $text, $flags) = @_;
1912		2084
1913	utf8::encode $text;	2085	utf8::encode $text;
1914	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1915	}	2087	}
1916		2088
		2089	=item $client->ext_event ($type, %msg)
		2090
		2091	Sends an exti event to the client.
		2092
		2093	=cut
		2094
		2095	sub cf::client::ext_event($$%) {
		2096	my ($self, $type, %msg) = @_;
		2097
		2098	$msg{msgtype} = "event_$type";
		2099	$self->send_packet ("ext " . cf::to_json \%msg);
		2100	}
1917		2101
1918	=item $success = $client->query ($flags, "text", \&cb)	2102	=item $success = $client->query ($flags, "text", \&cb)
1919		2103
1920	Queues a query to the client, calling the given callback with	2104	Queues a query to the client, calling the given callback with
1921	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1950	# get handled first	2134	# get handled first
1951	my $queue = delete $ns->{query_queue}	2135	my $queue = delete $ns->{query_queue}
1952	or return; # be conservative, not sure how that can happen, but we saw a crash here	2136	or return; # be conservative, not sure how that can happen, but we saw a crash here
1953		2137
1954	(shift @$queue)->[1]->($msg);	2138	(shift @$queue)->[1]->($msg);
		2139	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1955		2140
1956	push @{ $ns->{query_queue} }, @$queue;	2141	push @{ $ns->{query_queue} }, @$queue;
1957		2142
1958	if (@{ $ns->{query_queue} } == @$queue) {	2143	if (@{ $ns->{query_queue} } == @$queue) {
1959	if (@$queue) {	2144	if (@$queue) {
…		…
2017		2202
2018	# here we export the classes and methods available to script code	2203	# here we export the classes and methods available to script code
2019		2204
2020	=pod	2205	=pod
2021		2206
2022	The following fucntions and emthods are available within a safe environment:	2207	The following functions and methods are available within a safe environment:
2023		2208
2024	cf::object contr pay_amount pay_player map	2209	cf::object contr pay_amount pay_player map
2025	cf::object::player player	2210	cf::object::player player
2026	cf::player peaceful	2211	cf::player peaceful
2027	cf::map trigger	2212	cf::map trigger
…		…
2112	#############################################################################	2297	#############################################################################
2113		2298
2114	=head2 EXTENSION DATABASE SUPPORT	2299	=head2 EXTENSION DATABASE SUPPORT
2115		2300
2116	Crossfire maintains a very simple database for extension use. It can	2301	Crossfire maintains a very simple database for extension use. It can
2117	currently store anything that can be serialised using Storable, which	2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2118	excludes objects.	2303	convert to/from binary).
2119		2304
2120	The parameter C<$family> should best start with the name of the extension	2305	The parameter C<$family> should best start with the name of the extension
2121	using it, it should be unique.	2306	using it, it should be unique.
2122		2307
2123	=over 4	2308	=over 4
2124		2309
2125	=item $hashref = cf::db_get $family
2126
2127	Return a hashref for use by the extension C<$family>, which can be
2128	modified. After modifications, you have to call C<cf::db_dirty> or
2129	C<cf::db_sync>.
2130
2131	=item $value = cf::db_get $family => $key	2310	=item $value = cf::db_get $family => $key
2132		2311
2133	Returns a single value from the database	2312	Returns a single value from the database.
2134
2135	=item cf::db_put $family => $hashref
2136
2137	Stores the given family hashref into the database. Updates are delayed, if
2138	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2139		2313
2140	=item cf::db_put $family => $key => $value	2314	=item cf::db_put $family => $key => $value
2141		2315
2142	Stores the given C<$value> in the family hash. Updates are delayed, if you	2316	Stores the given C<$value> in the family.
2143	want the data to be synced to disk immediately, use C<cf::db_sync>.
2144
2145	=item cf::db_dirty
2146
2147	Marks the database as dirty, to be updated at a later time.
2148
2149	=item cf::db_sync
2150
2151	Immediately write the database to disk I<if it is dirty>.
2152		2317
2153	=cut	2318	=cut
2154		2319
2155	our $DB;	2320	our $DB;
2156		2321
2157	{	2322	sub db_init {
2158	my $path = cf::localdir . "/database.pst";	2323	unless ($DB) {
		2324	$DB = BDB::db_create $DB_ENV;
2159		2325
2160	sub db_load() {	2326	cf::sync_job {
2161	$DB = stat $path ? Storable::retrieve $path : { };	2327	eval {
2162	}	2328	$DB->set_flags (BDB::CHKSUM);
2163		2329
2164	my $pid;	2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2165		2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2166	sub db_save() {	2332	cf::cleanup "db_open(db): $!" if $!;
2167	waitpid $pid, 0 if $pid;	2333	};
2168	if (0 == ($pid = fork)) {	2334	cf::cleanup "db_open(db): $@" if $@;
2169	$DB->{_meta}{version} = 1;
2170	Storable::nstore $DB, "$path~";
2171	rename "$path~", $path;
2172	cf::_exit 0 if defined $pid;
2173	}	2335	};
2174	}
2175
2176	my $dirty;
2177
2178	sub db_sync() {
2179	db_save if $dirty;
2180	undef $dirty;
2181	}
2182
2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2184	db_sync;
2185	});	2336	}
		2337	}
2186		2338
2187	sub db_dirty() {
2188	$dirty = 1;
2189	$idle->start;
2190	}
2191
2192	sub db_get($;$) {	2339	sub db_get($$) {
2193	@_ >= 2	2340	my $key = "$_[0]/$_[1]";
2194	? $DB->{$_[0]}{$_[1]}
2195	: ($DB->{$_[0]} ||= { })
2196	}
2197		2341
		2342	cf::sync_job {
		2343	BDB::db_get $DB, undef, $key, my $data;
		2344
		2345	$! ? ()
		2346	: $data
		2347	}
		2348	}
		2349
2198	sub db_put($$;$) {	2350	sub db_put($$$) {
2199	if (@_ >= 3) {	2351	BDB::dbreq_pri 4;
2200	$DB->{$_[0]}{$_[1]} = $_[2];	2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2201	} else {	2353	}
2202	$DB->{$_[0]} = $_[1];
2203	}
2204	db_dirty;
2205	}
2206		2354
2207	cf::global->attach (	2355	=item cf::cache $id => [$paths...], $processversion => $process
2208	prio => 10000,	2356
2209	on_cleanup => sub {	2357	Generic caching function that returns the value of the resource $id,
2210	db_sync;	2358	caching and regenerating as required.
		2359
		2360	This function can block.
		2361
		2362	=cut
		2363
		2364	sub cache {
		2365	my ($id, $src, $processversion, $process) = @_;
		2366
		2367	my $meta =
		2368	join "\x00",
		2369	$processversion,
		2370	map {
		2371	aio_stat $_
		2372	and Carp::croak "$_: $!";
		2373
		2374	($_, (stat _)[7,9])
		2375	} @$src;
		2376
		2377	my $dbmeta = db_get cache => "$id/meta";
		2378	if ($dbmeta ne $meta) {
		2379	# changed, we may need to process
		2380
		2381	my @data;
		2382	my $md5;
		2383
		2384	for (0 .. $#$src) {
		2385	0 <= aio_load $src->[$_], $data[$_]
		2386	or Carp::croak "$src->[$_]: $!";
2211	},	2387	}
2212	);	2388
		2389	# if processing is expensive, check
		2390	# checksum first
		2391	if (1) {
		2392	$md5 =
		2393	join "\x00",
		2394	$processversion,
		2395	map {
		2396	Coro::cede;
		2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2398	} 0.. $#$src;
		2399
		2400
		2401	my $dbmd5 = db_get cache => "$id/md5";
		2402	if ($dbmd5 eq $md5) {
		2403	db_put cache => "$id/meta", $meta;
		2404
		2405	return db_get cache => "$id/data";
		2406	}
		2407	}
		2408
		2409	my $t1 = Time::HiRes::time;
		2410	my $data = $process->(\@data);
		2411	my $t2 = Time::HiRes::time;
		2412
		2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2414
		2415	db_put cache => "$id/data", $data;
		2416	db_put cache => "$id/md5" , $md5;
		2417	db_put cache => "$id/meta", $meta;
		2418
		2419	return $data;
		2420	}
		2421
		2422	db_get cache => "$id/data"
2213	}	2423	}
		2424
		2425	=item fork_call { }, $args
		2426
		2427	Executes the given code block with the given arguments in a seperate
		2428	process, returning the results. Everything must be serialisable with
		2429	Coro::Storable. May, of course, block. Note that the executed sub may
		2430	never block itself or use any form of Event handling.
		2431
		2432	=cut
		2433
		2434	sub fork_call(&@) {
		2435	my ($cb, @args) = @_;
		2436
		2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2438	# or die "socketpair: $!";
		2439	pipe my $fh1, my $fh2
		2440	or die "pipe: $!";
		2441
		2442	if (my $pid = fork) {
		2443	close $fh2;
		2444
		2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2446	$res = Coro::Storable::thaw $res;
		2447
		2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2449
		2450	die $$res unless "ARRAY" eq ref $res;
		2451
		2452	return wantarray ? @$res : $res->[-1];
		2453	} else {
		2454	reset_signals;
		2455	local $SIG{__WARN__};
		2456	local $SIG{__DIE__};
		2457	eval {
		2458	close $fh1;
		2459
		2460	my @res = eval { $cb->(@args) };
		2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2462	};
		2463
		2464	warn $@ if $@;
		2465	_exit 0;
		2466	}
		2467	}
		2468
		2469
2214		2470
2215	#############################################################################	2471	#############################################################################
2216	# the server's main()	2472	# the server's init and main functions
		2473
		2474	sub load_facedata($) {
		2475	my ($path) = @_;
		2476
		2477	warn "loading facedata from $path\n";
		2478
		2479	my $facedata;
		2480	0 < aio_load $path, $facedata
		2481	or die "$path: $!";
		2482
		2483	$facedata = Coro::Storable::thaw $facedata;
		2484
		2485	$facedata->{version} == 2
		2486	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2487
		2488	{
		2489	my $faces = $facedata->{faceinfo};
		2490
		2491	while (my ($face, $info) = each %$faces) {
		2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2496	Coro::cede;
		2497	}
		2498
		2499	while (my ($face, $info) = each %$faces) {
		2500	next unless $info->{smooth};
		2501	my $idx = cf::face::find $face
		2502	or next;
		2503	if (my $smooth = cf::face::find $info->{smooth}) {
		2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2505	} else {
		2506	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2507	}
		2508	Coro::cede;
		2509	}
		2510	}
		2511
		2512	{
		2513	my $anims = $facedata->{animinfo};
		2514
		2515	while (my ($anim, $info) = each %$anims) {
		2516	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2517	Coro::cede;
		2518	}
		2519
		2520	cf::anim::invalidate_all; # d'oh
		2521	}
		2522
		2523	1
		2524	}
		2525
		2526	sub reload_regions {
		2527	load_resource_file "$MAPDIR/regions"
		2528	or die "unable to load regions file\n";
		2529	}
		2530
		2531	sub reload_facedata {
		2532	load_facedata "$DATADIR/facedata"
		2533	or die "unable to load facedata\n";
		2534	}
		2535
		2536	sub reload_archetypes {
		2537	load_resource_file "$DATADIR/archetypes"
		2538	or die "unable to load archetypes\n";
		2539	}
		2540
		2541	sub reload_treasures {
		2542	load_resource_file "$DATADIR/treasures"
		2543	or die "unable to load treasurelists\n";
		2544	}
		2545
		2546	sub reload_resources {
		2547	warn "reloading resource files...\n";
		2548
		2549	reload_regions;
		2550	reload_facedata;
		2551	reload_archetypes;
		2552	reload_treasures;
		2553
		2554	warn "finished reloading resource files\n";
		2555	}
		2556
		2557	sub init {
		2558	reload_resources;
		2559	}
2217		2560
2218	sub cfg_load {	2561	sub cfg_load {
2219	open my $fh, "<:utf8", cf::confdir . "/config"	2562	open my $fh, "<:utf8", "$CONFDIR/config"
2220	or return;	2563	or return;
2221		2564
2222	local $/;	2565	local $/;
2223	*CFG = YAML::Syck::Load <$fh>;	2566	*CFG = YAML::Syck::Load <$fh>;
2224		2567
…		…
2244	Event::one_event;	2587	Event::one_event;
2245	})->prio (Coro::PRIO_MAX);	2588	})->prio (Coro::PRIO_MAX);
2246	};	2589	};
2247		2590
2248	cfg_load;	2591	cfg_load;
2249	db_load;	2592	db_init;
2250	load_extensions;	2593	load_extensions;
2251		2594
2252	$TICK_WATCHER->start;	2595	$TICK_WATCHER->start;
2253	Event::loop;	2596	Event::loop;
2254	}	2597	}
…		…
2258		2601
2259	# install some emergency cleanup handlers	2602	# install some emergency cleanup handlers
2260	BEGIN {	2603	BEGIN {
2261	for my $signal (qw(INT HUP TERM)) {	2604	for my $signal (qw(INT HUP TERM)) {
2262	Event->signal (	2605	Event->signal (
		2606	reentrant => 0,
2263	data => WF_AUTOCANCEL,	2607	data => WF_AUTOCANCEL,
2264	signal => $signal,	2608	signal => $signal,
		2609	prio => 0,
2265	cb => sub {	2610	cb => sub {
2266	cf::cleanup "SIG$signal";	2611	cf::cleanup "SIG$signal";
2267	},	2612	},
2268	);	2613	);
2269	}	2614	}
2270	}	2615	}
…		…
2291	my $map = $cf::MAP{$path} or next;	2636	my $map = $cf::MAP{$path} or next;
2292	$map->valid or next;	2637	$map->valid or next;
2293	$map->save;	2638	$map->save;
2294	}	2639	}
2295	warn "end emergency map save\n";	2640	warn "end emergency map save\n";
		2641
		2642	warn "begin emergency database checkpoint\n";
		2643	BDB::db_env_txn_checkpoint $DB_ENV;
		2644	warn "end emergency database checkpoint\n";
2296	};	2645	};
2297		2646
2298	warn "leave emergency perl save\n";	2647	warn "leave emergency perl save\n";
2299	}	2648	}
2300		2649
		2650	sub post_cleanup {
		2651	my ($make_core) = @_;
		2652
		2653	warn Carp::longmess "post_cleanup backtrace"
		2654	if $make_core;
		2655	}
		2656
2301	sub reload() {	2657	sub do_reload_perl() {
2302	# can/must only be called in main	2658	# can/must only be called in main
2303	if ($Coro::current != $Coro::main) {	2659	if ($Coro::current != $Coro::main) {
2304	warn "can only reload from main coroutine";	2660	warn "can only reload from main coroutine";
2305	return;	2661	return;
2306	}	2662	}
2307		2663
2308	warn "reloading...";	2664	warn "reloading...";
2309		2665
2310	warn "cancelling server ticker";	2666	warn "entering sync_job";
2311	$TICK_WATCHER->cancel;
2312		2667
		2668	cf::sync_job {
		2669	cf::write_runtime; # external watchdog should not bark
2313	cf::emergency_save;	2670	cf::emergency_save;
		2671	cf::write_runtime; # external watchdog should not bark
2314		2672
2315	eval {	2673	warn "syncing database to disk";
		2674	BDB::db_env_txn_checkpoint $DB_ENV;
		2675
2316	# if anything goes wrong in here, we should simply crash as we already saved	2676	# if anything goes wrong in here, we should simply crash as we already saved
2317
2318	warn "syncing database to disk";
2319	cf::db_sync;
2320		2677
2321	warn "cancelling all WF_AUTOCANCEL watchers";	2678	warn "cancelling all WF_AUTOCANCEL watchers";
2322	for (Event::all_watchers) {	2679	for (Event::all_watchers) {
2323	$_->cancel if $_->data & WF_AUTOCANCEL;	2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2324	}	2681	}
2325		2682
2326	warn "flushing outstanding aio requests";	2683	warn "flushing outstanding aio requests";
2327	for (;;) {	2684	for (;;) {
		2685	BDB::flush;
2328	IO::AIO::flush;	2686	IO::AIO::flush;
2329	Coro::cede;	2687	Coro::cede;
2330	last unless IO::AIO::nreqs;	2688	last unless IO::AIO::nreqs || BDB::nreqs;
2331	warn "iterate...";	2689	warn "iterate...";
2332	}	2690	}
		2691
		2692	++$RELOAD;
2333		2693
2334	warn "cancelling all extension coros";	2694	warn "cancelling all extension coros";
2335	$_->cancel for values %EXT_CORO;	2695	$_->cancel for values %EXT_CORO;
2336	%EXT_CORO = ();	2696	%EXT_CORO = ();
2337		2697
…		…
2377	Symbol::delete_package "safe::$_"	2737	Symbol::delete_package "safe::$_"
2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2379		2739
2380	warn "unloading cf.pm \"a bit\"";	2740	warn "unloading cf.pm \"a bit\"";
2381	delete $INC{"cf.pm"};	2741	delete $INC{"cf.pm"};
		2742	delete $INC{"cf/pod.pm"};
2382		2743
2383	# don't, removes xs symbols, too,	2744	# don't, removes xs symbols, too,
2384	# and global variables created in xs	2745	# and global variables created in xs
2385	#Symbol::delete_package __PACKAGE__;	2746	#Symbol::delete_package __PACKAGE__;
2386		2747
…		…
2390	require cf;	2751	require cf;
2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2392		2753
2393	warn "loading config and database again";	2754	warn "loading config and database again";
2394	cf::cfg_load;	2755	cf::cfg_load;
2395	cf::db_load;
2396		2756
2397	warn "loading extensions";	2757	warn "loading extensions";
2398	cf::load_extensions;	2758	cf::load_extensions;
2399		2759
2400	warn "reattaching attachments to objects/players";	2760	warn "reattaching attachments to objects/players";
2401	_global_reattach;	2761	_global_reattach; # objects, sockets
2402	warn "reattaching attachments to maps";	2762	warn "reattaching attachments to maps";
2403	reattach $_ for values %MAP;	2763	reattach $_ for values %MAP;
		2764	warn "reattaching attachments to players";
		2765	reattach $_ for values %PLAYER;
2404		2766
2405	warn "restarting server ticker";	2767	warn "leaving sync_job";
2406		2768
2407	$TICK_WATCHER->start;	2769	1
2408	};	2770	} or do {
2409
2410	if ($@) {
2411	warn $@;	2771	warn $@;
2412	warn "error while reloading, exiting.";	2772	warn "error while reloading, exiting.";
2413	exit 1;	2773	exit 1;
2414	}	2774	};
2415		2775
2416	warn "reloaded";	2776	warn "reloaded";
2417	};	2777	};
2418		2778
2419	our $RELOAD_WATCHER; # used only during reload	2779	our $RELOAD_WATCHER; # used only during reload
2420		2780
		2781	sub reload_perl() {
		2782	# doing reload synchronously and two reloads happen back-to-back,
		2783	# coro crashes during coro_state_free->destroy here.
		2784
		2785	$RELOAD_WATCHER ||= Event->timer (
		2786	reentrant => 0,
		2787	after => 0,
		2788	data => WF_AUTOCANCEL,
		2789	cb => sub {
		2790	do_reload_perl;
		2791	undef $RELOAD_WATCHER;
		2792	},
		2793	);
		2794	}
		2795
2421	register_command "reload" => sub {	2796	register_command "reload" => sub {
2422	my ($who, $arg) = @_;	2797	my ($who, $arg) = @_;
2423		2798
2424	if ($who->flag (FLAG_WIZ)) {	2799	if ($who->flag (FLAG_WIZ)) {
2425	$who->message ("reloading server.");	2800	$who->message ("reloading server.");
2426		2801	async { reload_perl };
2427	# doing reload synchronously and two reloads happen back-to-back,
2428	# coro crashes during coro_state_free->destroy here.
2429
2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2431	reload;
2432	undef $RELOAD_WATCHER;
2433	});
2434	}	2802	}
2435	};	2803	};
2436		2804
2437	unshift @INC, $LIBDIR;	2805	unshift @INC, $LIBDIR;
2438		2806
2439	my $bug_warning = 0;	2807	my $bug_warning = 0;
		2808
		2809	our @WAIT_FOR_TICK;
		2810	our @WAIT_FOR_TICK_BEGIN;
		2811
		2812	sub wait_for_tick {
		2813	return unless $TICK_WATCHER->is_active;
		2814	return if $Coro::current == $Coro::main;
		2815
		2816	my $signal = new Coro::Signal;
		2817	push @WAIT_FOR_TICK, $signal;
		2818	$signal->wait;
		2819	}
		2820
		2821	sub wait_for_tick_begin {
		2822	return unless $TICK_WATCHER->is_active;
		2823	return if $Coro::current == $Coro::main;
		2824
		2825	my $signal = new Coro::Signal;
		2826	push @WAIT_FOR_TICK_BEGIN, $signal;
		2827	$signal->wait;
		2828	}
2440		2829
2441	$TICK_WATCHER = Event->timer (	2830	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	2831	reentrant => 0,
2443	parked => 1,	2832	parked => 1,
2444	prio => 0,	2833	prio => 0,
…		…
2452	}	2841	}
2453		2842
2454	$NOW = Event::time;	2843	$NOW = Event::time;
2455		2844
2456	cf::server_tick; # one server iteration	2845	cf::server_tick; # one server iteration
		2846
2457	$RUNTIME += $TICK;	2847	$RUNTIME += $TICK;
2458	$NEXT_TICK += $TICK;	2848	$NEXT_TICK += $TICK;
2459		2849
2460	$WAIT_FOR_TICK->broadcast;	2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2851	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2852	Coro::async_pool {
		2853	write_runtime
		2854	or warn "ERROR: unable to write runtime file: $!";
		2855	};
		2856	}
		2857
		2858	# my $AFTER = Event::time;
		2859	# warn $AFTER - $NOW;#d#
2462		2860
2463	# if we are delayed by four ticks or more, skip them all	2861	# if we are delayed by four ticks or more, skip them all
2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2465		2863
2466	$TICK_WATCHER->at ($NEXT_TICK);	2864	$TICK_WATCHER->at ($NEXT_TICK);
2467	$TICK_WATCHER->start;	2865	$TICK_WATCHER->start;
		2866
		2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2868	$sig->send;
		2869	}
		2870	while (my $sig = shift @WAIT_FOR_TICK) {
		2871	$sig->send;
		2872	}
		2873
		2874	_post_tick;
2468	},	2875	},
2469	);	2876	);
2470		2877
		2878	{
		2879	BDB::max_poll_time $TICK * 0.1;
		2880	$BDB_POLL_WATCHER = Event->io (
		2881	reentrant => 0,
		2882	fd => BDB::poll_fileno,
		2883	poll => 'r',
		2884	prio => 0,
		2885	data => WF_AUTOCANCEL,
		2886	cb => \&BDB::poll_cb,
		2887	);
		2888	BDB::min_parallel 8;
		2889
		2890	BDB::set_sync_prepare {
		2891	my $status;
		2892	my $current = $Coro::current;
		2893	(
		2894	sub {
		2895	$status = $!;
		2896	$current->ready; undef $current;
		2897	},
		2898	sub {
		2899	Coro::schedule while defined $current;
		2900	$! = $status;
		2901	},
		2902	)
		2903	};
		2904
		2905	unless ($DB_ENV) {
		2906	$DB_ENV = BDB::db_env_create;
		2907
		2908	cf::sync_job {
		2909	eval {
		2910	BDB::db_env_open
		2911	$DB_ENV,
		2912	$BDBDIR,
		2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2915	0666;
		2916
		2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2918
		2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2920	$DB_ENV->set_lk_detect;
		2921	};
		2922
		2923	cf::cleanup "db_env_open(db): $@" if $@;
		2924	};
		2925	}
		2926	}
		2927
		2928	{
		2929	IO::AIO::min_parallel 8;
		2930
		2931	undef $Coro::AIO::WATCHER;
2471	IO::AIO::max_poll_time $TICK * 0.2;	2932	IO::AIO::max_poll_time $TICK * 0.1;
2472
2473	$AIO_POLL_WATCHER = Event->io (	2933	$AIO_POLL_WATCHER = Event->io (
2474	fd => IO::AIO::poll_fileno,	2934	reentrant => 0,
2475	poll => 'r',
2476	prio => 5,
2477	data => WF_AUTOCANCEL,
2478	cb => \&IO::AIO::poll_cb,
2479	);
2480
2481	$WRITE_RUNTIME_WATCHER = Event->timer (
2482	data => WF_AUTOCANCEL,	2935	data => WF_AUTOCANCEL,
2483	after => 1,	2936	fd => IO::AIO::poll_fileno,
2484	interval => 10,	2937	poll => 'r',
2485	prio => 6, # keep it lowest so it acts like a watchdog	2938	prio => 6,
2486	cb => Coro::unblock_sub {	2939	cb => \&IO::AIO::poll_cb,
2487	write_runtime	2940	);
2488	or warn "ERROR: unable to write runtime file: $!";	2941	}
		2942
		2943	my $_log_backtrace;
		2944
		2945	sub _log_backtrace {
		2946	my ($msg, @addr) = @_;
		2947
		2948	$msg =~ s/\n//;
		2949
		2950	# limit the # of concurrent backtraces
		2951	if ($_log_backtrace < 2) {
		2952	++$_log_backtrace;
		2953	async {
		2954	my @bt = fork_call {
		2955	@addr = map { sprintf "%x", $_ } @addr;
		2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		2958	or die "addr2line: $!";
		2959
		2960	my @funcs;
		2961	my @res = <$fh>;
		2962	chomp for @res;
		2963	while (@res) {
		2964	my ($func, $line) = splice @res, 0, 2, ();
		2965	push @funcs, "[$func] $line";
		2966	}
		2967
		2968	@funcs
		2969	};
		2970
		2971	LOG llevInfo, "[ABT] $msg\n";
		2972	LOG llevInfo, "[ABT] $_\n" for @bt;
		2973	--$_log_backtrace;
		2974	};
		2975	} else {
		2976	LOG llevInfo, "[ABT] $msg\n";
		2977	LOG llevInfo, "[ABT] [suppressed]\n";
2489	},	2978	}
2490	);	2979	}
		2980
		2981	# load additional modules
		2982	use cf::pod;
2491		2983
2492	END { cf::emergency_save }	2984	END { cf::emergency_save }
2493		2985
2494	1	2986	1
2495		2987

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