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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.201 by root, Mon Jan 29 18:15:23 2007 UTC vs.
Revision 1.258 by root, Sat Apr 21 17:43:42 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 $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		94
70	binmode STDOUT;	95	binmode STDOUT;
71	binmode STDERR;	96	binmode STDERR;
72		97
73	# read virtual server time, if available	98	# read virtual server time, if available
74	unless ($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;
87		109
88	sub cf::map::normalise;	110	sub cf::map::normalise;
89		111
…		…
100	=item $cf::RUNTIME	122	=item $cf::RUNTIME
101		123
102	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
103	every server tick.	125	every server tick.
104		126
105	=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
106		130
107	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		135
110	=item $cf::NOW	136	=item $cf::NOW
111		137
112	The time of the last (current) server tick.	138	The time of the last (current) server tick.
113		139
…		…
118	=item %cf::CFG	144	=item %cf::CFG
119		145
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	147	from wherever your confdir points to.
122		148
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	149	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		150
125	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
126	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
127	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.
128	window of cpu time available, or simply to synchronise to the server tick.
129		154
130	=back	155	=back
131		156
132	=cut	157	=cut
133		158
134	BEGIN {	159	BEGIN {
135	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	161	my $msg = join "", @_;
137	utf8::encode $msg;
138		162
139	$msg .= "\n"	163	$msg .= "\n"
140	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
141		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
142	LOG llevError, $msg;	169	LOG llevError, $msg;
143	};	170	};
144	}	171	}
145		172
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
192	$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;
193	$d	220	$d
194	} || "[unable to dump $_[0]: '$@']";	221	} || "[unable to dump $_[0]: '$@']";
195	}	222	}
196		223
197	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
198		225
199	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
200		227
201	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
202		229
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
211		231
212	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
213
214	=cut
215
216	sub to_json($) {
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
218	JSON::Syck::Dump $_[0]
219	}
220		233
221	=item cf::lock_wait $string	234	=item cf::lock_wait $string
222		235
223	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
224		237
…		…
230	returned.	243	returned.
231		244
232	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
233	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
234		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
235	=cut	252	=cut
236		253
237	our %LOCK;	254	our %LOCK;
238		255
239	sub lock_wait($) {	256	sub lock_wait($) {
…		…
258	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
260	}	277	}
261	}	278	}
262		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
		284	}
		285
263	sub freeze_mainloop {	286	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
265		288
266	my $guard = Coro::guard {	289	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	290	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	291	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	292	$TICK_WATCHER->stop;
272	$guard	293	$guard
273	}	294	}
274		295
275	=item cf::async { BLOCK }	296	=item cf::async { BLOCK }
…		…
346		367
347	$coro	368	$coro
348	}	369	}
349		370
350	sub write_runtime {	371	sub write_runtime {
351	my $runtime = cf::localdir . "/runtime";	372	my $guard = cf::lock_acquire "write_runtime";
		373
		374	my $runtime = "$LOCALDIR/runtime";
352		375
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
354	or return;	377	or return;
355		378
356	my $value = $cf::RUNTIME + 90 + 10;	379	my $value = $cf::RUNTIME + 90 + 10;
…		…
358	# 60 allows for the watchdog to kill the server.	381	# 60 allows for the watchdog to kill the server.
359		382
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	383	(aio_write $fh, 0, (length $value), $value, 0) <= 0
361	and return;	384	and return;
362		385
		386	# always fsync - this file is important
363	aio_fsync $fh	387	aio_fsync $fh
364	and return;	388	and return;
365		389
366	close $fh	390	close $fh
367	or return;	391	or return;
368		392
369	aio_rename "$runtime~", $runtime	393	aio_rename "$runtime~", $runtime
370	and return;	394	and return;
371		395
372	1	396	1
		397	}
		398
		399	=item cf::datalog type => key => value, ...
		400
		401	Log a datalog packet of the given type with the given key-value pairs.
		402
		403	=cut
		404
		405	sub datalog($@) {
		406	my ($type, %kv) = @_;
		407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	408	}
374		409
375	=back	410	=back
376		411
377	=cut	412	=cut
…		…
752	$filename, length $$rdata, scalar @$objs;	787	$filename, length $$rdata, scalar @$objs;
753		788
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	790	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	792	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	793	close $fh;
759		794
760	if (@$objs) {	795	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	797	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	798	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	799	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	800	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	801	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	802	aio_rename "$filename.pst~", "$filename.pst";
768	}	803	}
769	} else {	804	} else {
770	aio_unlink "$filename.pst";	805	aio_unlink "$filename.pst";
…		…
776	}	811	}
777	} else {	812	} else {
778	aio_unlink $filename;	813	aio_unlink $filename;
779	aio_unlink "$filename.pst";	814	aio_unlink "$filename.pst";
780	}	815	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	816	}
788	}	817	}
789		818
790	sub object_freezer_as_string {	819	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	820	my ($rdata, $objs) = @_;
…		…
797		826
798	sub object_thawer_load {	827	sub object_thawer_load {
799	my ($filename) = @_;	828	my ($filename) = @_;
800		829
801	my ($data, $av);	830	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		831
806	(aio_load $filename, $data) >= 0	832	(aio_load $filename, $data) >= 0
807	or return;	833	or return;
808		834
809	unless (aio_stat "$filename.pst") {	835	unless (aio_stat "$filename.pst") {
…		…
948	Returns the given player object, loading it if necessary (might block).	974	Returns the given player object, loading it if necessary (might block).
949		975
950	=cut	976	=cut
951		977
952	sub playerdir($) {	978	sub playerdir($) {
953	cf::localdir	979	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	980	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	981	}
959		982
960	sub path($) {	983	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	984	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		985
963	(playerdir $login) . "/$login.pl"	986	(playerdir $login) . "/playerdata"
964	}	987	}
965		988
966	sub find_active($) {	989	sub find_active($) {
967	$cf::PLAYER{$_[0]}	990	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	991	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1004	my $login = $_[0];
982		1005
983	my $guard = cf::lock_acquire "user_find:$login";	1006	my $guard = cf::lock_acquire "user_find:$login";
984		1007
985	$cf::PLAYER{$_[0]} || do {	1008	$cf::PLAYER{$_[0]} || do {
		1009	# rename old playerfiles to new ones
		1010	#TODO: remove when no longer required
		1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1014	aio_unlink +(playerdir $login) . "/$login.pl";
		1015
986	my $pl = load_pl path $login	1016	my $pl = load_pl path $login
987	or return;	1017	or return;
988	$cf::PLAYER{$login} = $pl	1018	$cf::PLAYER{$login} = $pl
989	}	1019	}
990	}	1020	}
…		…
1027		1057
1028	=cut	1058	=cut
1029		1059
1030	sub quit_character {	1060	sub quit_character {
1031	my ($pl) = @_;	1061	my ($pl) = @_;
		1062
		1063	my $name = $pl->ob->name;
1032		1064
1033	$pl->{deny_save} = 1;	1065	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1066	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1067
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1073	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1074	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1075	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1076	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1077	$pl->destroy;
		1078
		1079	my $prefix = qr<^~\Q$name\E/>;
		1080
		1081	# nuke player maps
		1082	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1083
1046	IO::AIO::aio_rmtree $temp;	1084	IO::AIO::aio_rmtree $temp;
		1085	}
		1086
		1087	=item $pl->kick
		1088
		1089	Kicks a player out of the game. This destroys the connection.
		1090
		1091	=cut
		1092
		1093	sub kick {
		1094	my ($pl, $kicker) = @_;
		1095
		1096	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1097	$pl->killer ("kicked");
		1098	$pl->ns->destroy;
1047	}	1099	}
1048		1100
1049	=item cf::player::list_logins	1101	=item cf::player::list_logins
1050		1102
1051	Returns am arrayref of all valid playernames in the system, can take a	1103	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1104	while and may block, so not sync_job-capable, ever.
1053		1105
1054	=cut	1106	=cut
1055		1107
1056	sub list_logins {	1108	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1109	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1110	or return [];
1059		1111
1060	my @logins;	1112	my @logins;
1061		1113
1062	for my $login (@$dirs) {	1114	for my $login (@$dirs) {
…		…
1097	}	1149	}
1098		1150
1099	\@paths	1151	\@paths
1100	}	1152	}
1101		1153
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1154	=item $player->ext_reply ($msgid, %msg)
1103		1155
1104	Sends an ext reply to the player.	1156	Sends an ext reply to the player.
1105		1157
1106	=cut	1158	=cut
1107		1159
1108	sub ext_reply($$$%) {	1160	sub ext_reply($$%) {
1109	my ($self, $id, %msg) = @_;	1161	my ($self, $id, %msg) = @_;
1110		1162
1111	$msg{msgid} = $id;	1163	$msg{msgid} = $id;
1112		1164
1113	$self->send ("ext " . cf::to_json \%msg);	1165	$self->send ("ext " . cf::to_json \%msg);
1114	}	1166	}
1115		1167
1116	package cf;	1168	=item $player->ext_event ($type, %msg)
		1169
		1170	Sends an ext event to the client.
		1171
		1172	=cut
		1173
		1174	sub ext_event($$%) {
		1175	my ($self, $type, %msg) = @_;
		1176
		1177	$self->ns->ext_event ($type, %msg);
		1178	}
		1179
		1180	=head3 cf::region
		1181
		1182	=over 4
		1183
		1184	=cut
		1185
		1186	package cf::region;
		1187
		1188	=item cf::region::find_by_path $path
		1189
		1190	Tries to decuce the probable region for a map knowing only its path.
		1191
		1192	=cut
		1193
		1194	sub find_by_path($) {
		1195	my ($path) = @_;
		1196
		1197	my ($match, $specificity);
		1198
		1199	for my $region (list) {
		1200	if ($region->match && $path =~ $region->match) {
		1201	($match, $specificity) = ($region, $region->specificity)
		1202	if $region->specificity > $specificity;
		1203	}
		1204	}
		1205
		1206	$match
		1207	}
1117		1208
1118	=back	1209	=back
1119
1120		1210
1121	=head3 cf::map	1211	=head3 cf::map
1122		1212
1123	=over 4	1213	=over 4
1124		1214
…		…
1262		1352
1263	# the original (read-only) location	1353	# the original (read-only) location
1264	sub load_path {	1354	sub load_path {
1265	my ($self) = @_;	1355	my ($self) = @_;
1266		1356
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1357	"$MAPDIR/$self->{path}.map"
1268	}	1358	}
1269		1359
1270	# the temporary/swap location	1360	# the temporary/swap location
1271	sub save_path {	1361	sub save_path {
1272	my ($self) = @_;	1362	my ($self) = @_;
1273		1363
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1365	"$TMPDIR/$path.map"
1276	}	1366	}
1277		1367
1278	# the unique path, undef == no special unique path	1368	# the unique path, undef == no special unique path
1279	sub uniq_path {	1369	sub uniq_path {
1280	my ($self) = @_;	1370	my ($self) = @_;
1281		1371
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1373	"$UNIQUEDIR/$path"
1284	}	1374	}
1285		1375
1286	# and all this just because we cannot iterate over	1376	# and all this just because we cannot iterate over
1287	# all maps in C++...	1377	# all maps in C++...
1288	sub change_all_map_light {	1378	sub change_all_map_light {
…		…
1296	my ($self) = @_;	1386	my ($self) = @_;
1297		1387
1298	utf8::encode (my $save = $self->save_path);	1388	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1390	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1391	}
1307		1392
1308	sub load_header_from($) {	1393	sub load_header_from($) {
1309	my ($self, $path) = @_;	1394	my ($self, $path) = @_;
1310		1395
…		…
1360	$self->load_header_orig	1445	$self->load_header_orig
1361	or return;	1446	or return;
1362	$self->prepare_orig;	1447	$self->prepare_orig;
1363	}	1448	}
1364		1449
		1450	$self->default_region (cf::region::find_by_path $self->{path})
		1451	unless $self->default_region;
		1452
1365	1	1453	1
1366	}	1454	}
1367		1455
1368	sub find;	1456	sub find;
1369	sub find {	1457	sub find {
…		…
1402	my ($self) = @_;	1490	my ($self) = @_;
1403		1491
1404	local $self->{deny_reset} = 1; # loading can take a long time	1492	local $self->{deny_reset} = 1; # loading can take a long time
1405		1493
1406	my $path = $self->{path};	1494	my $path = $self->{path};
		1495
		1496	{
1407	my $guard = cf::lock_acquire "map_load:$path";	1497	my $guard = cf::lock_acquire "map_load:$path";
1408		1498
1409	return if $self->in_memory != cf::MAP_SWAPPED;	1499	return if $self->in_memory != cf::MAP_SWAPPED;
1410		1500
1411	$self->in_memory (cf::MAP_LOADING);	1501	$self->in_memory (cf::MAP_LOADING);
1412		1502
1413	$self->alloc;	1503	$self->alloc;
1414		1504
1415	$self->pre_load;	1505	$self->pre_load;
1416
1417	$self->_load_objects ($self->{load_path}, 1)
1418	or return;
1419
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1421	if delete $self->{load_original};
1422
1423	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {
1426	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);
1428	}
1429	}
1430
1431	Coro::cede;
1432
1433	# now do the right thing for maps
1434	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;	1506	Coro::cede;
1441	$self->set_darkness_map;	1507
		1508	$self->_load_objects ($self->{load_path}, 1)
		1509	or return;
		1510
		1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1512	if delete $self->{load_original};
		1513
		1514	if (my $uniq = $self->uniq_path) {
		1515	utf8::encode $uniq;
		1516	if (aio_open $uniq, O_RDONLY, 0) {
		1517	$self->clear_unique_items;
		1518	$self->_load_objects ($uniq, 0);
		1519	}
		1520	}
		1521
		1522	Coro::cede;
		1523	# now do the right thing for maps
		1524	$self->link_multipart_objects;
1442	$self->difficulty ($self->estimate_difficulty)	1525	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	1526	unless $self->difficulty;
1444	Coro::cede;	1527	Coro::cede;
		1528
		1529	unless ($self->{deny_activate}) {
		1530	$self->decay_objects;
		1531	$self->fix_auto_apply;
		1532	$self->update_buttons;
		1533	Coro::cede;
		1534	$self->set_darkness_map;
		1535	Coro::cede;
1445	$self->activate;	1536	$self->activate;
		1537	}
		1538
		1539	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	1540	}
1447		1541
1448	$self->post_load;	1542	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	1543	}
1452		1544
1453	sub customise_for {	1545	sub customise_for {
1454	my ($self, $ob) = @_;	1546	my ($self, $ob) = @_;
1455		1547
…		…
1598	return if $self->players;	1690	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#	1691	return if $self->isa ("ext::map_per_player");#d#
1600		1692
1601	warn "resetting map ", $self->path;#d#	1693	warn "resetting map ", $self->path;#d#
1602		1694
		1695	$self->in_memory (cf::MAP_SWAPPED);
		1696
		1697	# need to save uniques path
		1698	unless ($self->{deny_save}) {
		1699	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1700
		1701	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1702	if $uniq;
		1703	}
		1704
1603	delete $cf::MAP{$self->path};	1705	delete $cf::MAP{$self->path};
1604		1706
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	$self->clear;	1707	$self->clear;
1607		1708
1608	$_->clear_links_to ($self) for values %cf::MAP;	1709	$_->clear_links_to ($self) for values %cf::MAP;
1609		1710
1610	$self->unlink_save;	1711	$self->unlink_save;
…		…
1637	instantiated unique items. May block.	1738	instantiated unique items. May block.
1638		1739
1639	=cut	1740	=cut
1640		1741
1641	sub unique_maps() {	1742	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1743	my $files = aio_readdir $UNIQUEDIR
1643	or return;	1744	or return;
1644		1745
1645	my @paths;	1746	my @paths;
1646		1747
1647	for (@$files) {	1748	for (@$files) {
…		…
1761	}	1862	}
1762		1863
1763	sub cf::object::player::enter_link {	1864	sub cf::object::player::enter_link {
1764	my ($self) = @_;	1865	my ($self) = @_;
1765		1866
1766	$self->deactivate_recursive;	1867	$self->activate_recursive;
1767		1868
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	1869	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		1870
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	1872	if $self->map;
…		…
1800	$map->load;	1901	$map->load;
1801	$map->load_diag;	1902	$map->load_diag;
1802		1903
1803	return unless $self->contr->active;	1904	return unless $self->contr->active;
1804	$self->activate_recursive;	1905	$self->activate_recursive;
		1906
		1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1805	$self->enter_map ($map, $x, $y);	1908	$self->enter_map ($map, $x, $y);
1806	}	1909	}
1807		1910
1808	cf::player->attach (	1911	cf::player->attach (
1809	on_logout => sub {	1912	on_logout => sub {
…		…
1822	# try to abort aborted map switching on player login :)	1925	# try to abort aborted map switching on player login :)
1823	# should happen only on crashes	1926	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {	1927	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;	1928	$pl->ob->enter_link;
1826	(async {	1929	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,	1930	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "	1931	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",	1932	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);	1933	cf::NDI_RED);
		1934	# we need this sleep as the login has a concurrent enter_exit running
		1935	# and this sleep increases chances of the player not ending up in scorn
1833	Coro::Timer::sleep 1;	1936	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;	1937	$pl->ob->leave_link;
1835	})->prio (2);	1938	})->prio (2);
1836	}	1939	}
1837	},	1940	},
…		…
1901		2004
1902	$rmp->{random_seed} ||= $exit->random_seed;	2005	$rmp->{random_seed} ||= $exit->random_seed;
1903		2006
1904	my $data = cf::to_json $rmp;	2007	my $data = cf::to_json $rmp;
1905	my $md5 = Digest::MD5::md5_hex $data;	2008	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2009	my $meta = "$RANDOMDIR/$md5.meta";
1907		2010
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2012	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2013	undef $fh;
1911	aio_rename "$meta~", $meta;	2014	aio_rename "$meta~", $meta;
…		…
1920		2023
1921	return unless $self->type == cf::PLAYER;	2024	return unless $self->type == cf::PLAYER;
1922		2025
1923	if ($exit->slaying eq "/!") {	2026	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job	2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2028	# the problem is that $exit might not survive long enough
		2029	# so it needs to be done right now, right here
1925	cf::sync_job { prepare_random_map $exit };	2030	cf::sync_job { prepare_random_map $exit };
1926	}	2031	}
1927		2032
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;	2034	my $hp = $exit->stats->hp;
…		…
1937	$self->goto ($slaying, $hp, $sp);	2042	$self->goto ($slaying, $hp, $sp);
1938		2043
1939	1;	2044	1;
1940	}) {	2045	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2046	$self->message ("Something went wrong deep within the crossfire server. "
1942	. "I'll try to bring you back to the map you were before. "	2047	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	2048	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2049	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2050
1946	warn "ERROR in enter_exit: $@";	2051	warn "ERROR in enter_exit: $@";
1947	$self->leave_link;	2052	$self->leave_link;
1948	}	2053	}
1949	})->prio (1);	2054	})->prio (1);
…		…
1962		2067
1963	sub cf::client::send_drawinfo {	2068	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2069	my ($self, $text, $flags) = @_;
1965		2070
1966	utf8::encode $text;	2071	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2073	}
1969		2074
		2075	=item $client->ext_event ($type, %msg)
		2076
		2077	Sends an exti event to the client.
		2078
		2079	=cut
		2080
		2081	sub cf::client::ext_event($$%) {
		2082	my ($self, $type, %msg) = @_;
		2083
		2084	$msg{msgtype} = "event_$type";
		2085	$self->send_packet ("ext " . cf::to_json \%msg);
		2086	}
1970		2087
1971	=item $success = $client->query ($flags, "text", \&cb)	2088	=item $success = $client->query ($flags, "text", \&cb)
1972		2089
1973	Queues a query to the client, calling the given callback with	2090	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2003	# get handled first	2120	# get handled first
2004	my $queue = delete $ns->{query_queue}	2121	my $queue = delete $ns->{query_queue}
2005	or return; # be conservative, not sure how that can happen, but we saw a crash here	2122	or return; # be conservative, not sure how that can happen, but we saw a crash here
2006		2123
2007	(shift @$queue)->[1]->($msg);	2124	(shift @$queue)->[1]->($msg);
		2125	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2008		2126
2009	push @{ $ns->{query_queue} }, @$queue;	2127	push @{ $ns->{query_queue} }, @$queue;
2010		2128
2011	if (@{ $ns->{query_queue} } == @$queue) {	2129	if (@{ $ns->{query_queue} } == @$queue) {
2012	if (@$queue) {	2130	if (@$queue) {
…		…
2070		2188
2071	# here we export the classes and methods available to script code	2189	# here we export the classes and methods available to script code
2072		2190
2073	=pod	2191	=pod
2074		2192
2075	The following fucntions and emthods are available within a safe environment:	2193	The following functions and methods are available within a safe environment:
2076		2194
2077	cf::object contr pay_amount pay_player map	2195	cf::object contr pay_amount pay_player map
2078	cf::object::player player	2196	cf::object::player player
2079	cf::player peaceful	2197	cf::player peaceful
2080	cf::map trigger	2198	cf::map trigger
…		…
2165	#############################################################################	2283	#############################################################################
2166		2284
2167	=head2 EXTENSION DATABASE SUPPORT	2285	=head2 EXTENSION DATABASE SUPPORT
2168		2286
2169	Crossfire maintains a very simple database for extension use. It can	2287	Crossfire maintains a very simple database for extension use. It can
2170	currently store anything that can be serialised using Storable, which	2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2171	excludes objects.	2289	convert to/from binary).
2172		2290
2173	The parameter C<$family> should best start with the name of the extension	2291	The parameter C<$family> should best start with the name of the extension
2174	using it, it should be unique.	2292	using it, it should be unique.
2175		2293
2176	=over 4	2294	=over 4
2177		2295
2178	=item $hashref = cf::db_get $family
2179
2180	Return a hashref for use by the extension C<$family>, which can be
2181	modified. After modifications, you have to call C<cf::db_dirty> or
2182	C<cf::db_sync>.
2183
2184	=item $value = cf::db_get $family => $key	2296	=item $value = cf::db_get $family => $key
2185		2297
2186	Returns a single value from the database	2298	Returns a single value from the database.
2187
2188	=item cf::db_put $family => $hashref
2189
2190	Stores the given family hashref into the database. Updates are delayed, if
2191	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2192		2299
2193	=item cf::db_put $family => $key => $value	2300	=item cf::db_put $family => $key => $value
2194		2301
2195	Stores the given C<$value> in the family hash. Updates are delayed, if you	2302	Stores the given C<$value> in the family.
2196	want the data to be synced to disk immediately, use C<cf::db_sync>.
2197
2198	=item cf::db_dirty
2199
2200	Marks the database as dirty, to be updated at a later time.
2201
2202	=item cf::db_sync
2203
2204	Immediately write the database to disk I<if it is dirty>.
2205		2303
2206	=cut	2304	=cut
2207		2305
2208	our $DB;	2306	our $DB;
2209		2307
2210	{	2308	sub db_init {
2211	my $path = cf::localdir . "/database.pst";	2309	unless ($DB) {
		2310	$DB = BDB::db_create $DB_ENV;
2212		2311
2213	sub db_load() {	2312	cf::sync_job {
2214	$DB = stat $path ? Storable::retrieve $path : { };	2313	eval {
2215	}	2314	$DB->set_flags (BDB::CHKSUM);
2216		2315
2217	my $pid;	2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2218		2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2219	sub db_save() {	2318	cf::cleanup "db_open(db): $!" if $!;
2220	waitpid $pid, 0 if $pid;	2319	};
2221	if (0 == ($pid = fork)) {	2320	cf::cleanup "db_open(db): $@" if $@;
2222	$DB->{_meta}{version} = 1;
2223	Storable::nstore $DB, "$path~";
2224	rename "$path~", $path;
2225	cf::_exit 0 if defined $pid;
2226	}	2321	};
2227	}	2322	}
		2323	}
2228		2324
2229	my $dirty;
2230
2231	sub db_sync() {
2232	db_save if $dirty;
2233	undef $dirty;
2234	}
2235
2236	my $idle = Event->idle (
2237	reentrant => 0,
2238	min => 10,
2239	max => 20,
2240	repeat => 0,
2241	data => WF_AUTOCANCEL,
2242	cb => \&db_sync,
2243	);
2244
2245	sub db_dirty() {
2246	$dirty = 1;
2247	$idle->start;
2248	}
2249
2250	sub db_get($;$) {	2325	sub db_get($$) {
2251	@_ >= 2	2326	my $key = "$_[0]/$_[1]";
2252	? $DB->{$_[0]}{$_[1]}
2253	: ($DB->{$_[0]} ||= { })
2254	}
2255		2327
		2328	cf::sync_job {
		2329	BDB::db_get $DB, undef, $key, my $data;
		2330
		2331	$! ? ()
		2332	: $data
		2333	}
		2334	}
		2335
2256	sub db_put($$;$) {	2336	sub db_put($$$) {
2257	if (@_ >= 3) {	2337	BDB::dbreq_pri 4;
2258	$DB->{$_[0]}{$_[1]} = $_[2];	2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2259	} else {	2339	}
2260	$DB->{$_[0]} = $_[1];
2261	}
2262	db_dirty;
2263	}
2264		2340
2265	cf::global->attach (	2341	=item cf::cache $id => [$paths...], $processversion => $process
2266	prio => 10000,	2342
2267	on_cleanup => sub {	2343	Generic caching function that returns the value of the resource $id,
2268	db_sync;	2344	caching and regenerating as required.
		2345
		2346	This function can block.
		2347
		2348	=cut
		2349
		2350	sub cache {
		2351	my ($id, $src, $processversion, $process) = @_;
		2352
		2353	my $meta =
		2354	join "\x00",
		2355	$processversion,
		2356	map {
		2357	aio_stat $_
		2358	and Carp::croak "$_: $!";
		2359
		2360	($_, (stat _)[7,9])
		2361	} @$src;
		2362
		2363	my $dbmeta = db_get cache => "$id/meta";
		2364	if ($dbmeta ne $meta) {
		2365	# changed, we may need to process
		2366
		2367	my @data;
		2368	my $md5;
		2369
		2370	for (0 .. $#$src) {
		2371	0 <= aio_load $src->[$_], $data[$_]
		2372	or Carp::croak "$src->[$_]: $!";
2269	},	2373	}
2270	);	2374
		2375	# if processing is expensive, check
		2376	# checksum first
		2377	if (1) {
		2378	$md5 =
		2379	join "\x00",
		2380	$processversion,
		2381	map {
		2382	Coro::cede;
		2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2384	} 0.. $#$src;
		2385
		2386
		2387	my $dbmd5 = db_get cache => "$id/md5";
		2388	if ($dbmd5 eq $md5) {
		2389	db_put cache => "$id/meta", $meta;
		2390
		2391	return db_get cache => "$id/data";
		2392	}
		2393	}
		2394
		2395	my $t1 = Time::HiRes::time;
		2396	my $data = $process->(\@data);
		2397	my $t2 = Time::HiRes::time;
		2398
		2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2400
		2401	db_put cache => "$id/data", $data;
		2402	db_put cache => "$id/md5" , $md5;
		2403	db_put cache => "$id/meta", $meta;
		2404
		2405	return $data;
		2406	}
		2407
		2408	db_get cache => "$id/data"
2271	}	2409	}
		2410
		2411	=item fork_call { }, $args
		2412
		2413	Executes the given code block with the given arguments in a seperate
		2414	process, returning the results. Everything must be serialisable with
		2415	Coro::Storable. May, of course, block. Note that the executed sub may
		2416	never block itself or use any form of Event handling.
		2417
		2418	=cut
		2419
		2420	sub fork_call(&@) {
		2421	my ($cb, @args) = @_;
		2422
		2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2424	# or die "socketpair: $!";
		2425	pipe my $fh1, my $fh2
		2426	or die "pipe: $!";
		2427
		2428	if (my $pid = fork) {
		2429	close $fh2;
		2430
		2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2432	$res = Coro::Storable::thaw $res;
		2433
		2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2435
		2436	die $$res unless "ARRAY" eq ref $res;
		2437
		2438	return wantarray ? @$res : $res->[-1];
		2439	} else {
		2440	local $SIG{__WARN__};
		2441	eval {
		2442	local $SIG{__DIE__};
		2443	close $fh1;
		2444
		2445	my @res = eval { $cb->(@args) };
		2446	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2447	};
		2448
		2449	warn $@ if $@;
		2450	_exit 0;
		2451	}
		2452	}
		2453
		2454
2272		2455
2273	#############################################################################	2456	#############################################################################
2274	# the server's main()	2457	# the server's init and main functions
		2458
		2459	sub load_facedata($) {
		2460	my ($path) = @_;
		2461
		2462	warn "loading facedata from $path\n";
		2463
		2464	my $facedata;
		2465	0 < aio_load $path, $facedata
		2466	or die "$path: $!";
		2467
		2468	$facedata = Coro::Storable::thaw $facedata;
		2469
		2470	$facedata->{version} == 2
		2471	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2472
		2473	{
		2474	my $faces = $facedata->{faceinfo};
		2475
		2476	while (my ($face, $info) = each %$faces) {
		2477	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2478	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2479	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2480	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2481	Coro::cede;
		2482	}
		2483
		2484	while (my ($face, $info) = each %$faces) {
		2485	next unless $info->{smooth};
		2486	my $idx = cf::face::find $face
		2487	or next;
		2488	if (my $smooth = cf::face::find $info->{smooth}) {
		2489	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2490	} else {
		2491	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2492	}
		2493	Coro::cede;
		2494	}
		2495	}
		2496
		2497	{
		2498	my $anims = $facedata->{animinfo};
		2499
		2500	while (my ($anim, $info) = each %$anims) {
		2501	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2502	Coro::cede;
		2503	}
		2504
		2505	cf::anim::invalidate_all; # d'oh
		2506	}
		2507
		2508	1
		2509	}
		2510
		2511	sub reload_regions {
		2512	load_resource_file "$MAPDIR/regions"
		2513	or die "unable to load regions file\n";
		2514	}
		2515
		2516	sub reload_facedata {
		2517	load_facedata "$DATADIR/facedata"
		2518	or die "unable to load facedata\n";
		2519	}
		2520
		2521	sub reload_archetypes {
		2522	load_resource_file "$DATADIR/archetypes"
		2523	or die "unable to load archetypes\n";
		2524	}
		2525
		2526	sub reload_treasures {
		2527	load_resource_file "$DATADIR/treasures"
		2528	or die "unable to load treasurelists\n";
		2529	}
		2530
		2531	sub reload_resources {
		2532	warn "reloading resource files...\n";
		2533
		2534	reload_regions;
		2535	reload_facedata;
		2536	reload_archetypes;
		2537	reload_treasures;
		2538
		2539	warn "finished reloading resource files\n";
		2540	}
		2541
		2542	sub init {
		2543	reload_resources;
		2544	}
2275		2545
2276	sub cfg_load {	2546	sub cfg_load {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	2547	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	2548	or return;
2279		2549
2280	local $/;	2550	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	2551	*CFG = YAML::Syck::Load <$fh>;
2282		2552
…		…
2302	Event::one_event;	2572	Event::one_event;
2303	})->prio (Coro::PRIO_MAX);	2573	})->prio (Coro::PRIO_MAX);
2304	};	2574	};
2305		2575
2306	cfg_load;	2576	cfg_load;
2307	db_load;	2577	db_init;
2308	load_extensions;	2578	load_extensions;
2309		2579
2310	$TICK_WATCHER->start;	2580	$TICK_WATCHER->start;
2311	Event::loop;	2581	Event::loop;
2312	}	2582	}
…		…
2351	my $map = $cf::MAP{$path} or next;	2621	my $map = $cf::MAP{$path} or next;
2352	$map->valid or next;	2622	$map->valid or next;
2353	$map->save;	2623	$map->save;
2354	}	2624	}
2355	warn "end emergency map save\n";	2625	warn "end emergency map save\n";
		2626
		2627	warn "begin emergency database checkpoint\n";
		2628	BDB::db_env_txn_checkpoint $DB_ENV;
		2629	warn "end emergency database checkpoint\n";
2356	};	2630	};
2357		2631
2358	warn "leave emergency perl save\n";	2632	warn "leave emergency perl save\n";
2359	}	2633	}
2360		2634
		2635	sub post_cleanup {
		2636	my ($make_core) = @_;
		2637
		2638	warn Carp::longmess "post_cleanup backtrace"
		2639	if $make_core;
		2640	}
		2641
2361	sub reload() {	2642	sub do_reload_perl() {
2362	# can/must only be called in main	2643	# can/must only be called in main
2363	if ($Coro::current != $Coro::main) {	2644	if ($Coro::current != $Coro::main) {
2364	warn "can only reload from main coroutine";	2645	warn "can only reload from main coroutine";
2365	return;	2646	return;
2366	}	2647	}
2367		2648
2368	warn "reloading...";	2649	warn "reloading...";
2369		2650
2370	warn "cancelling server ticker";	2651	warn "entering sync_job";
2371	$TICK_WATCHER->cancel;
2372		2652
		2653	cf::sync_job {
		2654	cf::write_runtime; # external watchdog should not bark
2373	cf::emergency_save;	2655	cf::emergency_save;
		2656	cf::write_runtime; # external watchdog should not bark
2374		2657
2375	eval {	2658	warn "syncing database to disk";
		2659	BDB::db_env_txn_checkpoint $DB_ENV;
		2660
2376	# if anything goes wrong in here, we should simply crash as we already saved	2661	# if anything goes wrong in here, we should simply crash as we already saved
2377
2378	warn "syncing database to disk";
2379	cf::db_sync;
2380		2662
2381	warn "cancelling all WF_AUTOCANCEL watchers";	2663	warn "cancelling all WF_AUTOCANCEL watchers";
2382	for (Event::all_watchers) {	2664	for (Event::all_watchers) {
2383	$_->cancel if $_->data & WF_AUTOCANCEL;	2665	$_->cancel if $_->data & WF_AUTOCANCEL;
2384	}	2666	}
2385		2667
2386	warn "flushing outstanding aio requests";	2668	warn "flushing outstanding aio requests";
2387	for (;;) {	2669	for (;;) {
		2670	BDB::flush;
2388	IO::AIO::flush;	2671	IO::AIO::flush;
2389	Coro::cede;	2672	Coro::cede;
2390	last unless IO::AIO::nreqs;	2673	last unless IO::AIO::nreqs || BDB::nreqs;
2391	warn "iterate...";	2674	warn "iterate...";
2392	}	2675	}
		2676
		2677	++$RELOAD;
2393		2678
2394	warn "cancelling all extension coros";	2679	warn "cancelling all extension coros";
2395	$_->cancel for values %EXT_CORO;	2680	$_->cancel for values %EXT_CORO;
2396	%EXT_CORO = ();	2681	%EXT_CORO = ();
2397		2682
…		…
2437	Symbol::delete_package "safe::$_"	2722	Symbol::delete_package "safe::$_"
2438	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2723	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2439		2724
2440	warn "unloading cf.pm \"a bit\"";	2725	warn "unloading cf.pm \"a bit\"";
2441	delete $INC{"cf.pm"};	2726	delete $INC{"cf.pm"};
		2727	delete $INC{"cf/pod.pm"};
2442		2728
2443	# don't, removes xs symbols, too,	2729	# don't, removes xs symbols, too,
2444	# and global variables created in xs	2730	# and global variables created in xs
2445	#Symbol::delete_package __PACKAGE__;	2731	#Symbol::delete_package __PACKAGE__;
2446		2732
…		…
2450	require cf;	2736	require cf;
2451	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2737	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2452		2738
2453	warn "loading config and database again";	2739	warn "loading config and database again";
2454	cf::cfg_load;	2740	cf::cfg_load;
2455	cf::db_load;
2456		2741
2457	warn "loading extensions";	2742	warn "loading extensions";
2458	cf::load_extensions;	2743	cf::load_extensions;
2459		2744
2460	warn "reattaching attachments to objects/players";	2745	warn "reattaching attachments to objects/players";
2461	_global_reattach;	2746	_global_reattach; # objects, sockets
2462	warn "reattaching attachments to maps";	2747	warn "reattaching attachments to maps";
2463	reattach $_ for values %MAP;	2748	reattach $_ for values %MAP;
		2749	warn "reattaching attachments to players";
		2750	reattach $_ for values %PLAYER;
2464		2751
2465	warn "restarting server ticker";	2752	warn "leaving sync_job";
2466		2753
2467	$TICK_WATCHER->start;	2754	1
2468	};	2755	} or do {
2469
2470	if ($@) {
2471	warn $@;	2756	warn $@;
2472	warn "error while reloading, exiting.";	2757	warn "error while reloading, exiting.";
2473	exit 1;	2758	exit 1;
2474	}	2759	};
2475		2760
2476	warn "reloaded";	2761	warn "reloaded";
2477	};	2762	};
2478		2763
2479	our $RELOAD_WATCHER; # used only during reload	2764	our $RELOAD_WATCHER; # used only during reload
2480		2765
		2766	sub reload_perl() {
		2767	# doing reload synchronously and two reloads happen back-to-back,
		2768	# coro crashes during coro_state_free->destroy here.
		2769
		2770	$RELOAD_WATCHER ||= Event->timer (
		2771	reentrant => 0,
		2772	after => 0,
		2773	data => WF_AUTOCANCEL,
		2774	cb => sub {
		2775	do_reload_perl;
		2776	undef $RELOAD_WATCHER;
		2777	},
		2778	);
		2779	}
		2780
2481	register_command "reload" => sub {	2781	register_command "reload" => sub {
2482	my ($who, $arg) = @_;	2782	my ($who, $arg) = @_;
2483		2783
2484	if ($who->flag (FLAG_WIZ)) {	2784	if ($who->flag (FLAG_WIZ)) {
2485	$who->message ("reloading server.");	2785	$who->message ("reloading server.");
2486		2786	async { reload_perl };
2487	# doing reload synchronously and two reloads happen back-to-back,
2488	# coro crashes during coro_state_free->destroy here.
2489
2490	$RELOAD_WATCHER ||= Event->timer (
2491	reentrant => 0,
2492	after => 0,
2493	data => WF_AUTOCANCEL,
2494	cb => sub {
2495	reload;
2496	undef $RELOAD_WATCHER;
2497	},
2498	);
2499	}	2787	}
2500	};	2788	};
2501		2789
2502	unshift @INC, $LIBDIR;	2790	unshift @INC, $LIBDIR;
2503		2791
2504	my $bug_warning = 0;	2792	my $bug_warning = 0;
		2793
		2794	our @WAIT_FOR_TICK;
		2795	our @WAIT_FOR_TICK_BEGIN;
		2796
		2797	sub wait_for_tick {
		2798	return unless $TICK_WATCHER->is_active;
		2799	return if $Coro::current == $Coro::main;
		2800
		2801	my $signal = new Coro::Signal;
		2802	push @WAIT_FOR_TICK, $signal;
		2803	$signal->wait;
		2804	}
		2805
		2806	sub wait_for_tick_begin {
		2807	return unless $TICK_WATCHER->is_active;
		2808	return if $Coro::current == $Coro::main;
		2809
		2810	my $signal = new Coro::Signal;
		2811	push @WAIT_FOR_TICK_BEGIN, $signal;
		2812	$signal->wait;
		2813	}
2505		2814
2506	$TICK_WATCHER = Event->timer (	2815	$TICK_WATCHER = Event->timer (
2507	reentrant => 0,	2816	reentrant => 0,
2508	parked => 1,	2817	parked => 1,
2509	prio => 0,	2818	prio => 0,
…		…
2517	}	2826	}
2518		2827
2519	$NOW = Event::time;	2828	$NOW = Event::time;
2520		2829
2521	cf::server_tick; # one server iteration	2830	cf::server_tick; # one server iteration
		2831
2522	$RUNTIME += $TICK;	2832	$RUNTIME += $TICK;
2523	$NEXT_TICK += $TICK;	2833	$NEXT_TICK += $TICK;
2524		2834
2525	$WAIT_FOR_TICK->broadcast;	2835	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2526	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2836	$NEXT_RUNTIME_WRITE = $NOW + 10;
2527		2837	Coro::async_pool {
2528	Event::sweep;	2838	write_runtime
2529	Coro::cede_notself;	2839	or warn "ERROR: unable to write runtime file: $!";
		2840	};
2530		2841	}
		2842
2531	# my $AFTER = Event::time;	2843	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#	2844	# warn $AFTER - $NOW;#d#
2533		2845
2534	# if we are delayed by four ticks or more, skip them all	2846	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2847	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2536		2848
2537	$TICK_WATCHER->at ($NEXT_TICK);	2849	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;	2850	$TICK_WATCHER->start;
		2851
		2852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2853	$sig->send;
		2854	}
		2855	while (my $sig = shift @WAIT_FOR_TICK) {
		2856	$sig->send;
		2857	}
		2858
		2859	_post_tick;
2539	},	2860	},
2540	);	2861	);
2541		2862
		2863	{
		2864	BDB::max_poll_time $TICK * 0.1;
		2865	$BDB_POLL_WATCHER = Event->io (
		2866	reentrant => 0,
		2867	fd => BDB::poll_fileno,
		2868	poll => 'r',
		2869	prio => 0,
		2870	data => WF_AUTOCANCEL,
		2871	cb => \&BDB::poll_cb,
		2872	);
		2873	BDB::min_parallel 8;
		2874
		2875	BDB::set_sync_prepare {
		2876	my $status;
		2877	my $current = $Coro::current;
		2878	(
		2879	sub {
		2880	$status = $!;
		2881	$current->ready; undef $current;
		2882	},
		2883	sub {
		2884	Coro::schedule while defined $current;
		2885	$! = $status;
		2886	},
		2887	)
		2888	};
		2889
		2890	unless ($DB_ENV) {
		2891	$DB_ENV = BDB::db_env_create;
		2892
		2893	cf::sync_job {
		2894	eval {
		2895	BDB::db_env_open
		2896	$DB_ENV,
		2897	$BDBDIR,
		2898	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2899	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2900	0666;
		2901
		2902	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2903
		2904	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2905	$DB_ENV->set_lk_detect;
		2906	};
		2907
		2908	cf::cleanup "db_env_open(db): $@" if $@;
		2909	};
		2910	}
		2911	}
		2912
		2913	{
		2914	IO::AIO::min_parallel 8;
		2915
		2916	undef $Coro::AIO::WATCHER;
2542	IO::AIO::max_poll_time $TICK * 0.1;	2917	IO::AIO::max_poll_time $TICK * 0.1;
2543
2544	undef $Coro::AIO::WATCHER;
2545	$AIO_POLL_WATCHER = Event->io (	2918	$AIO_POLL_WATCHER = Event->io (
2546	reentrant => 0,	2919	reentrant => 0,
		2920	data => WF_AUTOCANCEL,
2547	fd => IO::AIO::poll_fileno,	2921	fd => IO::AIO::poll_fileno,
2548	poll => 'r',	2922	poll => 'r',
2549	prio => 6,	2923	prio => 6,
2550	data => WF_AUTOCANCEL,
2551	cb => \&IO::AIO::poll_cb,	2924	cb => \&IO::AIO::poll_cb,
2552	);	2925	);
		2926	}
2553		2927
2554	$WRITE_RUNTIME_WATCHER = Event->timer (	2928	# load additional modules
2555	reentrant => 0,	2929	use cf::pod;
2556	data => WF_AUTOCANCEL,
2557	after => 1,
2558	interval => 10,
2559	prio => 6, # keep it lowest so it acts like a watchdog
2560	cb => Coro::unblock_sub {
2561	write_runtime
2562	or warn "ERROR: unable to write runtime file: $!";
2563	},
2564	);
2565		2930
2566	END { cf::emergency_save }	2931	END { cf::emergency_save }
2567		2932
2568	1	2933	1
2569		2934

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