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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
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 $guard = cf::lock_acquire "write_runtime";
350		373
		374	my $runtime = "$LOCALDIR/runtime";
		375
		376	warn "starting to write runtime...\n";#d#
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
352	or return;	378	or return;
353		379
		380	my $value = $cf::RUNTIME + 90 + 10;
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	381	# 10 is the runtime save interval, for a monotonic clock
		382	# 60 allows for the watchdog to kill the server.
		383
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0	384	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;	385	and return;
357		386
		387	# always fsync - this file is important
358	aio_fsync $fh	388	aio_fsync $fh
359	and return;	389	and return;
360		390
361	close $fh	391	close $fh
362	or return;	392	or return;
363		393
364	aio_rename "$runtime~", $runtime	394	aio_rename "$runtime~", $runtime
365	and return;	395	and return;
366		396
		397	warn "... done writing runtime.\n";#d#
		398
367	1	399	1
		400	}
		401
		402	=item cf::datalog type => key => value, ...
		403
		404	Log a datalog packet of the given type with the given key-value pairs.
		405
		406	=cut
		407
		408	sub datalog($@) {
		409	my ($type, %kv) = @_;
		410	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	411	}
369		412
370	=back	413	=back
371		414
372	=cut	415	=cut
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	546	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	547	our @CB_MAP = ();
505		548
506	my %attachment;	549	my %attachment;
507		550
		551	sub cf::attachable::thawer_merge {
		552	# simply override everything except _meta
		553	local $_[0]{_meta};
		554	%{$_[0]} = %{$_[1]};
		555	}
		556
508	sub _attach_cb($$$$) {	557	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	558	my ($registry, $event, $prio, $cb) = @_;
510		559
511	use sort 'stable';	560	use sort 'stable';
512		561
…		…
683	# object support	732	# object support
684		733
685	sub reattach {	734	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	735	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	736	my ($obj) = @_;
		737
		738	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		739
689	my $registry = $obj->registry;	740	my $registry = $obj->registry;
690		741
691	@$registry = ();	742	@$registry = ();
692		743
…		…
739	$filename, length $$rdata, scalar @$objs;	790	$filename, length $$rdata, scalar @$objs;
740		791
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	793	chmod SAVE_MODE, $fh;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
744	aio_fsync $fh;	795	aio_fsync $fh if $cf::USE_FSYNC;
745	close $fh;	796	close $fh;
746		797
747	if (@$objs) {	798	if (@$objs) {
748	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	799	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
749	chmod SAVE_MODE, $fh;	800	chmod SAVE_MODE, $fh;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	801	my $data = Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	802	aio_write $fh, 0, (length $data), $data, 0;
752	aio_fsync $fh;	803	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	804	close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	805	aio_rename "$filename.pst~", "$filename.pst";
755	}	806	}
756	} else {	807	} else {
757	aio_unlink "$filename.pst";	808	aio_unlink "$filename.pst";
…		…
926	Returns the given player object, loading it if necessary (might block).	977	Returns the given player object, loading it if necessary (might block).
927		978
928	=cut	979	=cut
929		980
930	sub playerdir($) {	981	sub playerdir($) {
931	cf::localdir	982	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	983	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	984	}
937		985
938	sub path($) {	986	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	987	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		988
941	(playerdir $login) . "/$login.pl"	989	(playerdir $login) . "/playerdata"
942	}	990	}
943		991
944	sub find_active($) {	992	sub find_active($) {
945	$cf::PLAYER{$_[0]}	993	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	994	and $cf::PLAYER{$_[0]}->active
…		…
949		997
950	sub exists($) {	998	sub exists($) {
951	my ($login) = @_;	999	my ($login) = @_;
952		1000
953	$cf::PLAYER{$login}	1001	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1002	or cf::sync_job { !aio_stat path $login }
955	}	1003	}
956		1004
957	sub find($) {	1005	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1006	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1007	my $login = $_[0];
960		1008
961	my $guard = cf::lock_acquire "user_find:$login";	1009	my $guard = cf::lock_acquire "user_find:$login";
962		1010
963	$cf::PLAYER{$_[0]} || do {	1011	$cf::PLAYER{$_[0]} || do {
		1012	# rename old playerfiles to new ones
		1013	#TODO: remove when no longer required
		1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1017	aio_unlink +(playerdir $login) . "/$login.pl";
		1018
964	my $pl = load_pl path $login	1019	my $pl = load_pl path $login
965	or return;	1020	or return;
966	$cf::PLAYER{$login} = $pl	1021	$cf::PLAYER{$login} = $pl
967	}	1022	}
968	}	1023	}
…		…
1005		1060
1006	=cut	1061	=cut
1007		1062
1008	sub quit_character {	1063	sub quit_character {
1009	my ($pl) = @_;	1064	my ($pl) = @_;
		1065
		1066	my $name = $pl->ob->name;
1010		1067
1011	$pl->{deny_save} = 1;	1068	$pl->{deny_save} = 1;
1012	$pl->password ("*"); # this should lock out the player until we nuked the dir	1069	$pl->password ("*"); # this should lock out the player until we nuked the dir
1013		1070
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1019	my $path = playerdir $pl;	1076	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1077	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1078	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1079	delete $cf::PLAYER{$pl->ob->name};
1023	$pl->destroy;	1080	$pl->destroy;
		1081
		1082	my $prefix = qr<^~\Q$name\E/>;
		1083
		1084	# nuke player maps
		1085	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1086
1024	IO::AIO::aio_rmtree $temp;	1087	IO::AIO::aio_rmtree $temp;
		1088	}
		1089
		1090	=item $pl->kick
		1091
		1092	Kicks a player out of the game. This destroys the connection.
		1093
		1094	=cut
		1095
		1096	sub kick {
		1097	my ($pl, $kicker) = @_;
		1098
		1099	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1100	$pl->killer ("kicked");
		1101	$pl->ns->destroy;
1025	}	1102	}
1026		1103
1027	=item cf::player::list_logins	1104	=item cf::player::list_logins
1028		1105
1029	Returns am arrayref of all valid playernames in the system, can take a	1106	Returns am arrayref of all valid playernames in the system, can take a
1030	while and may block, so not sync_job-capable, ever.	1107	while and may block, so not sync_job-capable, ever.
1031		1108
1032	=cut	1109	=cut
1033		1110
1034	sub list_logins {	1111	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1112	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1113	or return [];
1037		1114
1038	my @logins;	1115	my @logins;
1039		1116
1040	for my $login (@$dirs) {	1117	for my $login (@$dirs) {
…		…
1057	=cut	1134	=cut
1058		1135
1059	sub maps($) {	1136	sub maps($) {
1060	my ($pl) = @_;	1137	my ($pl) = @_;
1061		1138
		1139	$pl = ref $pl ? $pl->ob->name : $pl;
		1140
1062	my $files = aio_readdir playerdir $pl	1141	my $files = aio_readdir playerdir $pl
1063	or return;	1142	or return;
1064		1143
1065	my @paths;	1144	my @paths;
1066		1145
1067	for (@$files) {	1146	for (@$files) {
1068	utf8::decode $_;	1147	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1148	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1149	next unless /^$PATH_SEP/o;
1071		1150
1072	s/\.map$//;	1151	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1152	}
1075		1153
1076	\@paths	1154	\@paths
1077	}	1155	}
1078		1156
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1157	=item $player->ext_reply ($msgid, %msg)
1080		1158
1081	Sends an ext reply to the player.	1159	Sends an ext reply to the player.
1082		1160
1083	=cut	1161	=cut
1084		1162
1085	sub ext_reply($$$%) {	1163	sub ext_reply($$%) {
1086	my ($self, $id, %msg) = @_;	1164	my ($self, $id, %msg) = @_;
1087		1165
1088	$msg{msgid} = $id;	1166	$msg{msgid} = $id;
1089		1167
1090	$self->send ("ext " . cf::to_json \%msg);	1168	$self->send ("ext " . cf::to_json \%msg);
1091	}	1169	}
1092		1170
1093	package cf;	1171	=item $player->ext_event ($type, %msg)
		1172
		1173	Sends an ext event to the client.
		1174
		1175	=cut
		1176
		1177	sub ext_event($$%) {
		1178	my ($self, $type, %msg) = @_;
		1179
		1180	$self->ns->ext_event ($type, %msg);
		1181	}
		1182
		1183	=head3 cf::region
		1184
		1185	=over 4
		1186
		1187	=cut
		1188
		1189	package cf::region;
		1190
		1191	=item cf::region::find_by_path $path
		1192
		1193	Tries to decuce the probable region for a map knowing only its path.
		1194
		1195	=cut
		1196
		1197	sub find_by_path($) {
		1198	my ($path) = @_;
		1199
		1200	my ($match, $specificity);
		1201
		1202	for my $region (list) {
		1203	if ($region->match && $path =~ $region->match) {
		1204	($match, $specificity) = ($region, $region->specificity)
		1205	if $region->specificity > $specificity;
		1206	}
		1207	}
		1208
		1209	$match
		1210	}
1094		1211
1095	=back	1212	=back
1096
1097		1213
1098	=head3 cf::map	1214	=head3 cf::map
1099		1215
1100	=over 4	1216	=over 4
1101		1217
…		…
1105		1221
1106	use Fcntl;	1222	use Fcntl;
1107	use Coro::AIO;	1223	use Coro::AIO;
1108		1224
1109	use overload	1225	use overload
1110	'""' => \&as_string;	1226	'""' => \&as_string,
		1227	fallback => 1;
1111		1228
1112	our $MAX_RESET = 3600;	1229	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1230	our $DEFAULT_RESET = 3000;
1114		1231
1115	sub generate_random_map {	1232	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1233	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1234	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1235	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1122	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1245	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1246	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1247	)
1132	}	1248	}
1133		1249
		1250	=item cf::map->register ($regex, $prio)
		1251
		1252	Register a handler for the map path matching the given regex at the
		1253	givne priority (higher is better, built-in handlers have priority 0, the
		1254	default).
		1255
		1256	=cut
		1257
1134	sub register {	1258	sub register {
1135	my (undef, $regex) = @_;	1259	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1260	my $pkg = caller;
1137		1261
1138	no strict;	1262	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1263	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1264
1141	$EXT_MAP{$pkg} = qr<$regex>;	1265	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1266	}
1143		1267
1144	# also paths starting with '/'	1268	# also paths starting with '/'
1145	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1269	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1270
		1271	sub thawer_merge {
		1272	my ($self, $merge) = @_;
		1273
		1274	# we have to keep some variables in memory intact
		1275	local $self->{path};
		1276	local $self->{load_path};
		1277	local $self->{deny_save};
		1278	local $self->{deny_reset};
		1279
		1280	$self->SUPER::thawer_merge ($merge);
		1281	}
1146		1282
1147	sub normalise {	1283	sub normalise {
1148	my ($path, $base) = @_;	1284	my ($path, $base) = @_;
		1285
		1286	$path = "$path"; # make sure its a string
		1287
		1288	$path =~ s/\.map$//;
1149		1289
1150	# map plan:	1290	# map plan:
1151	#	1291	#
1152	# /! non-realised random map exit (special hack!)	1292	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1293	# {... are special paths that are not being touched
…		…
1181		1321
1182	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1322	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183		1323
1184	$path = normalise $path, $base;	1324	$path = normalise $path, $base;
1185		1325
1186	for my $pkg (keys %EXT_MAP) {	1326	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1327	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1328	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1329	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1330	$self->init; # pass $1 etc.
1191	return $self;	1331	return $self;
1192	}	1332	}
1193	}	1333	}
1194		1334
1195	Carp::carp "unable to resolve path '$path'.";	1335	Carp::carp "unable to resolve path '$path' (base '$base').";
1196	()	1336	()
1197	}	1337	}
1198		1338
1199	sub init {	1339	sub init {
1200	my ($self) = @_;	1340	my ($self) = @_;
…		…
1215		1355
1216	# the original (read-only) location	1356	# the original (read-only) location
1217	sub load_path {	1357	sub load_path {
1218	my ($self) = @_;	1358	my ($self) = @_;
1219		1359
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1360	"$MAPDIR/$self->{path}.map"
1221	}	1361	}
1222		1362
1223	# the temporary/swap location	1363	# the temporary/swap location
1224	sub save_path {	1364	sub save_path {
1225	my ($self) = @_;	1365	my ($self) = @_;
1226		1366
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1368	"$TMPDIR/$path.map"
1229	}	1369	}
1230		1370
1231	# the unique path, undef == no special unique path	1371	# the unique path, undef == no special unique path
1232	sub uniq_path {	1372	sub uniq_path {
1233	my ($self) = @_;	1373	my ($self) = @_;
1234		1374
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1376	"$UNIQUEDIR/$path"
1237	}	1377	}
1238		1378
1239	# and all this just because we cannot iterate over	1379	# and all this just because we cannot iterate over
1240	# all maps in C++...	1380	# all maps in C++...
1241	sub change_all_map_light {	1381	sub change_all_map_light {
…		…
1247		1387
1248	sub unlink_save {	1388	sub unlink_save {
1249	my ($self) = @_;	1389	my ($self) = @_;
1250		1390
1251	utf8::encode (my $save = $self->save_path);	1391	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1392	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1393	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1394	}
1255		1395
1256	sub load_header_from($) {	1396	sub load_header_from($) {
1257	my ($self, $path) = @_;	1397	my ($self, $path) = @_;
1258		1398
1259	utf8::encode $path;	1399	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1400	#aio_open $path, O_RDONLY, 0
1261	or return;	1401	# or return;
1262		1402
1263	$self->_load_header ($path)	1403	$self->_load_header ($path)
1264	or return;	1404	or return;
1265		1405
1266	$self->{load_path} = $path;	1406	$self->{load_path} = $path;
1267		1407
1268	1	1408	1
1269	}	1409	}
1270		1410
1271	sub load_orig {	1411	sub load_header_orig {
1272	my ($self) = @_;	1412	my ($self) = @_;
1273		1413
1274	$self->load_header_from ($self->load_path)	1414	$self->load_header_from ($self->load_path)
1275	}	1415	}
1276		1416
1277	sub load_temp {	1417	sub load_header_temp {
1278	my ($self) = @_;	1418	my ($self) = @_;
1279		1419
1280	$self->load_header_from ($self->save_path)	1420	$self->load_header_from ($self->save_path)
		1421	}
		1422
		1423	sub prepare_temp {
		1424	my ($self) = @_;
		1425
		1426	$self->last_access ((delete $self->{last_access})
		1427	|| $cf::RUNTIME); #d#
		1428	# safety
		1429	$self->{instantiate_time} = $cf::RUNTIME
		1430	if $self->{instantiate_time} > $cf::RUNTIME;
		1431	}
		1432
		1433	sub prepare_orig {
		1434	my ($self) = @_;
		1435
		1436	$self->{load_original} = 1;
		1437	$self->{instantiate_time} = $cf::RUNTIME;
		1438	$self->last_access ($cf::RUNTIME);
		1439	$self->instantiate;
1281	}	1440	}
1282		1441
1283	sub load_header {	1442	sub load_header {
1284	my ($self) = @_;	1443	my ($self) = @_;
1285		1444
1286	if ($self->load_temp) {	1445	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	1446	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	1447	} else {
1293	$self->load_orig	1448	$self->load_header_orig
1294	or return;	1449	or return;
1295		1450	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	1451	}
		1452
		1453	$self->default_region (cf::region::find_by_path $self->{path})
		1454	unless $self->default_region;
1301		1455
1302	1	1456	1
1303	}	1457	}
1304		1458
1305	sub find;	1459	sub find;
…		…
1318	$map->{last_save} = $cf::RUNTIME;	1472	$map->{last_save} = $cf::RUNTIME;
1319		1473
1320	$map->load_header	1474	$map->load_header
1321	or return;	1475	or return;
1322		1476
1323	if ($map->should_reset) {	1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1478	# doing this can freeze the server in a sync job, obviously
		1479	#$cf::WAIT_FOR_TICK->wait;
1324	$map->reset;	1480	$map->reset;
1325	undef $guard;	1481	undef $guard;
1326	$map = find $path	1482	return find $path;
1327	or return;
1328	}	1483	}
1329		1484
1330	$cf::MAP{$path} = $map	1485	$cf::MAP{$path} = $map
1331	}	1486	}
1332	}	1487	}
		1488
		1489	sub pre_load { }
		1490	sub post_load { }
1333		1491
1334	sub load {	1492	sub load {
1335	my ($self) = @_;	1493	my ($self) = @_;
1336		1494
		1495	local $self->{deny_reset} = 1; # loading can take a long time
		1496
1337	my $path = $self->{path};	1497	my $path = $self->{path};
		1498
		1499	{
1338	my $guard = cf::lock_acquire "map_load:$path";	1500	my $guard = cf::lock_acquire "map_load:$path";
1339		1501
1340	return if $self->in_memory != cf::MAP_SWAPPED;	1502	return if $self->in_memory != cf::MAP_SWAPPED;
1341		1503
1342	$self->in_memory (cf::MAP_LOADING);	1504	$self->in_memory (cf::MAP_LOADING);
1343		1505
1344	$self->alloc;	1506	$self->alloc;
1345	$self->_load_objects ($self->{load_path}, 1)
1346	or return;
1347		1507
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1508	$self->pre_load;
1349	if delete $self->{load_original};
1350
1351	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {
1354	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);
1356	}
1357	}
1358
1359	Coro::cede;
1360
1361	# now do the right thing for maps
1362	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;	1509	Coro::cede;
1369	$self->set_darkness_map;	1510
		1511	$self->_load_objects ($self->{load_path}, 1)
		1512	or return;
		1513
		1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1515	if delete $self->{load_original};
		1516
		1517	if (my $uniq = $self->uniq_path) {
		1518	utf8::encode $uniq;
		1519	if (aio_open $uniq, O_RDONLY, 0) {
		1520	$self->clear_unique_items;
		1521	$self->_load_objects ($uniq, 0);
		1522	}
		1523	}
		1524
		1525	Coro::cede;
		1526	# now do the right thing for maps
		1527	$self->link_multipart_objects;
1370	$self->difficulty ($self->estimate_difficulty)	1528	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	1529	unless $self->difficulty;
1372	Coro::cede;	1530	Coro::cede;
		1531
		1532	unless ($self->{deny_activate}) {
		1533	$self->decay_objects;
		1534	$self->fix_auto_apply;
		1535	$self->update_buttons;
		1536	Coro::cede;
		1537	$self->set_darkness_map;
		1538	Coro::cede;
1373	$self->activate;	1539	$self->activate;
1374	}	1540	}
1375		1541
1376	$self->in_memory (cf::MAP_IN_MEMORY);	1542	$self->in_memory (cf::MAP_IN_MEMORY);
		1543	}
		1544
		1545	$self->post_load;
1377	}	1546	}
1378		1547
1379	sub customise_for {	1548	sub customise_for {
1380	my ($self, $ob) = @_;	1549	my ($self, $ob) = @_;
1381		1550
…		…
1420		1589
1421	cf::sync_job { $map->load };	1590	cf::sync_job { $map->load };
1422	}	1591	}
1423		1592
1424	our %MAP_PREFETCH;	1593	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	1594	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		1595
1438	sub find_async {	1596	sub find_async {
1439	my ($path, $origin) = @_;	1597	my ($path, $origin) = @_;
1440		1598
1441	$path = normalise $path, $origin && $origin->{path};	1599	$path = normalise $path, $origin && $origin->{path};
1442		1600
1443	if (my $map = $cf::MAP{$path}) {	1601	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1445	}	1603	}
1446		1604
1447	$MAP_PREFETCH{$path} = 0;	1605	undef $MAP_PREFETCH{$path};
		1606	$MAP_PREFETCHER ||= cf::async {
		1607	while (%MAP_PREFETCH) {
		1608	for my $path (keys %MAP_PREFETCH) {
		1609	my $map = find $path
		1610	or next;
		1611	$map->load;
		1612
		1613	delete $MAP_PREFETCH{$path};
		1614	}
		1615	}
		1616	undef $MAP_PREFETCHER;
		1617	};
1448	$MAP_PREFETCHER->ready;	1618	$MAP_PREFETCHER->prio (6);
1449		1619
1450	()	1620	()
1451	}	1621	}
1452		1622
1453	sub save {	1623	sub save {
…		…
1498		1668
1499	sub reset_at {	1669	sub reset_at {
1500	my ($self) = @_;	1670	my ($self) = @_;
1501		1671
1502	# TODO: safety, remove and allow resettable per-player maps	1672	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");	1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1504	return 1e99 if $self->{deny_reset};	1674	return 1e99 if $self->{deny_reset};
1505		1675
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		1678
…		…
1513	my ($self) = @_;	1683	my ($self) = @_;
1514		1684
1515	$self->reset_at <= $cf::RUNTIME	1685	$self->reset_at <= $cf::RUNTIME
1516	}	1686	}
1517		1687
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	1688	sub reset {
1533	my ($self) = @_;	1689	my ($self) = @_;
1534		1690
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	1691	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		1692
1537	return if $self->players;	1693	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#	1694	return if $self->isa ("ext::map_per_player");#d#
1539		1695
1540	warn "resetting map ", $self->path;#d#	1696	warn "resetting map ", $self->path;#d#
1541		1697
		1698	$self->in_memory (cf::MAP_SWAPPED);
		1699
		1700	# need to save uniques path
		1701	unless ($self->{deny_save}) {
		1702	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1703
		1704	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1705	if $uniq;
		1706	}
		1707
1542	delete $cf::MAP{$self->path};	1708	delete $cf::MAP{$self->path};
1543		1709
1544	$self->in_memory (cf::MAP_SWAPPED);
1545	$self->clear;	1710	$self->clear;
1546		1711
1547	$_->clear_links_to ($self) for values %cf::MAP;	1712	$_->clear_links_to ($self) for values %cf::MAP;
1548		1713
1549	$self->unlink_save;	1714	$self->unlink_save;
…		…
1553	my $nuke_counter = "aaaa";	1718	my $nuke_counter = "aaaa";
1554		1719
1555	sub nuke {	1720	sub nuke {
1556	my ($self) = @_;	1721	my ($self) = @_;
1557		1722
		1723	delete $cf::MAP{$self->path};
		1724
		1725	$self->unlink_save;
		1726
		1727	bless $self, "cf::map";
		1728	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	1729	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	1730	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1732
		1733	$cf::MAP{$self->path} = $self;
		1734
1561	$self->reset; # polite request, might not happen	1735	$self->reset; # polite request, might not happen
1562	}	1736	}
1563		1737
1564	=item cf::map::unique_maps	1738	=item cf::map::unique_maps
1565		1739
…		…
1567	instantiated unique items. May block.	1741	instantiated unique items. May block.
1568		1742
1569	=cut	1743	=cut
1570		1744
1571	sub unique_maps() {	1745	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1746	my $files = aio_readdir $UNIQUEDIR
1573	or return;	1747	or return;
1574		1748
1575	my @paths;	1749	my @paths;
1576		1750
1577	for (@$files) {	1751	for (@$files) {
1578	utf8::decode $_;	1752	utf8::decode $_;
1579	next if /\.pst$/;	1753	next if /\.pst$/;
1580	next unless /^$PATH_SEP/o;	1754	next unless /^$PATH_SEP/o;
1581		1755
1582	s/\.map$//;	1756	push @paths, cf::map::normalise $_;
1583	push @paths, $_;
1584	}	1757	}
1585		1758
1586	\@paths	1759	\@paths
1587	}	1760	}
1588		1761
…		…
1682	=cut	1855	=cut
1683		1856
1684	sub link_map {	1857	sub link_map {
1685	unless ($LINK_MAP) {	1858	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	1859	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1860	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	1861	$LINK_MAP->load;
1689	}	1862	}
1690		1863
1691	$LINK_MAP	1864	$LINK_MAP
1692	}	1865	}
…		…
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	1872	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		1873
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	1875	if $self->map;
1703		1876
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1705	}	1878	}
1706		1879
1707	sub cf::object::player::leave_link {	1880	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	1881	my ($self, $map, $x, $y) = @_;
1709		1882
…		…
1731	$map->load;	1904	$map->load;
1732	$map->load_diag;	1905	$map->load_diag;
1733		1906
1734	return unless $self->contr->active;	1907	return unless $self->contr->active;
1735	$self->activate_recursive;	1908	$self->activate_recursive;
		1909
		1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1736	$self->enter_map ($map, $x, $y);	1911	$self->enter_map ($map, $x, $y);
1737	}	1912	}
1738		1913
1739	cf::player->attach (	1914	cf::player->attach (
1740	on_logout => sub {	1915	on_logout => sub {
…		…
1753	# try to abort aborted map switching on player login :)	1928	# try to abort aborted map switching on player login :)
1754	# should happen only on crashes	1929	# should happen only on crashes
1755	if ($pl->ob->{_link_pos}) {	1930	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;	1931	$pl->ob->enter_link;
1757	(async {	1932	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,	1933	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "	1934	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",	1935	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);	1936	cf::NDI_RED);
		1937	# we need this sleep as the login has a concurrent enter_exit running
		1938	# and this sleep increases chances of the player not ending up in scorn
1764	Coro::Timer::sleep 1;	1939	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;	1940	$pl->ob->leave_link;
1766	})->prio (2);	1941	})->prio (2);
1767	}	1942	}
1768	},	1943	},
…		…
1776	my ($self, $path, $x, $y) = @_;	1951	my ($self, $path, $x, $y) = @_;
1777		1952
1778	$self->enter_link;	1953	$self->enter_link;
1779		1954
1780	(async {	1955	(async {
		1956	my $map = eval {
1781	my $map = cf::map::find $path;	1957	my $map = cf::map::find $path;
1782	$map = $map->customise_for ($self) if $map;	1958	$map = $map->customise_for ($self) if $map;
1783		1959	$map
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	1960	} or
1785	# if $map;
1786
1787	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1788		1962
1789	$self->leave_link ($map, $x, $y);	1963	$self->leave_link ($map, $x, $y);
1790	})->prio (1);	1964	})->prio (1);
1791	}	1965	}
1792		1966
…		…
1796		1970
1797	sub parse_random_map_params {	1971	sub parse_random_map_params {
1798	my ($spec) = @_;	1972	my ($spec) = @_;
1799		1973
1800	my $rmp = { # defaults	1974	my $rmp = { # defaults
1801	xsize => 10,	1975	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	1976	ysize => (cf::rndm 15, 40),
		1977	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1978	#layout => string,
1803	};	1979	};
1804		1980
1805	for (split /\n/, $spec) {	1981	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	1982	my ($k, $v) = split /\s+/, $_, 2;
1807		1983
…		…
1811	$rmp	1987	$rmp
1812	}	1988	}
1813		1989
1814	sub prepare_random_map {	1990	sub prepare_random_map {
1815	my ($exit) = @_;	1991	my ($exit) = @_;
		1992
		1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1816		1994
1817	# all this does is basically replace the /! path by	1995	# all this does is basically replace the /! path by
1818	# a new random map path (?random/...) with a seed	1996	# a new random map path (?random/...) with a seed
1819	# that depends on the exit object	1997	# that depends on the exit object
1820		1998
1821	my $rmp = parse_random_map_params $exit->msg;	1999	my $rmp = parse_random_map_params $exit->msg;
1822		2000
1823	if ($exit->map) {	2001	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2002	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2003	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2004	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2005	$rmp->{origin_y} = $exit->y;
1828	}	2006	}
1829		2007
1830	$rmp->{random_seed} ||= $exit->random_seed;	2008	$rmp->{random_seed} ||= $exit->random_seed;
1831		2009
1832	my $data = cf::to_json $rmp;	2010	my $data = cf::to_json $rmp;
1833	my $md5 = Digest::MD5::md5_hex $data;	2011	my $md5 = Digest::MD5::md5_hex $data;
		2012	my $meta = "$RANDOMDIR/$md5.meta";
1834		2013
1835	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1836	aio_write $fh, 0, (length $data), $data, 0;	2015	aio_write $fh, 0, (length $data), $data, 0;
		2016	undef $fh;
		2017	aio_rename "$meta~", $meta;
1837		2018
1838	$exit->slaying ("?random/$md5");	2019	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2020	$exit->msg (undef);
1840	}	2021	}
1841	}	2022	}
1842		2023
1843	sub cf::object::player::enter_exit {	2024	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2025	my ($self, $exit) = @_;
1845		2026
1846	return unless $self->type == cf::PLAYER;	2027	return unless $self->type == cf::PLAYER;
		2028
		2029	if ($exit->slaying eq "/!") {
		2030	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2031	# the problem is that $exit might not survive long enough
		2032	# so it needs to be done right now, right here
		2033	cf::sync_job { prepare_random_map $exit };
		2034	}
		2035
		2036	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2037	my $hp = $exit->stats->hp;
		2038	my $sp = $exit->stats->sp;
1847		2039
1848	$self->enter_link;	2040	$self->enter_link;
1849		2041
1850	(async {	2042	(async {
1851	$self->deactivate_recursive; # just to be sure	2043	$self->deactivate_recursive; # just to be sure
1852	unless (eval {	2044	unless (eval {
1853	prepare_random_map $exit	2045	$self->goto ($slaying, $hp, $sp);
1854	if $exit->slaying eq "/!";
1855
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1858		2046
1859	1;	2047	1;
1860	}) {	2048	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2049	$self->message ("Something went wrong deep within the crossfire server. "
1862	. "I'll try to bring you back to the map you were before. "	2050	. "I'll try to bring you back to the map you were before. "
1863	. "Please report this to the dungeon master!",	2051	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2052	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2053
1866	warn "ERROR in enter_exit: $@";	2054	warn "ERROR in enter_exit: $@";
1867	$self->leave_link;	2055	$self->leave_link;
1868	}	2056	}
1869	})->prio (1);	2057	})->prio (1);
…		…
1882		2070
1883	sub cf::client::send_drawinfo {	2071	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2072	my ($self, $text, $flags) = @_;
1885		2073
1886	utf8::encode $text;	2074	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2076	}
1889		2077
		2078	=item $client->ext_event ($type, %msg)
		2079
		2080	Sends an exti event to the client.
		2081
		2082	=cut
		2083
		2084	sub cf::client::ext_event($$%) {
		2085	my ($self, $type, %msg) = @_;
		2086
		2087	$msg{msgtype} = "event_$type";
		2088	$self->send_packet ("ext " . cf::to_json \%msg);
		2089	}
1890		2090
1891	=item $success = $client->query ($flags, "text", \&cb)	2091	=item $success = $client->query ($flags, "text", \&cb)
1892		2092
1893	Queues a query to the client, calling the given callback with	2093	Queues a query to the client, calling the given callback with
1894	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1923	# get handled first	2123	# get handled first
1924	my $queue = delete $ns->{query_queue}	2124	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	2125	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		2126
1927	(shift @$queue)->[1]->($msg);	2127	(shift @$queue)->[1]->($msg);
		2128	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		2129
1929	push @{ $ns->{query_queue} }, @$queue;	2130	push @{ $ns->{query_queue} }, @$queue;
1930		2131
1931	if (@{ $ns->{query_queue} } == @$queue) {	2132	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	2133	if (@$queue) {
…		…
1990		2191
1991	# here we export the classes and methods available to script code	2192	# here we export the classes and methods available to script code
1992		2193
1993	=pod	2194	=pod
1994		2195
1995	The following fucntions and emthods are available within a safe environment:	2196	The following functions and methods are available within a safe environment:
1996		2197
1997	cf::object contr pay_amount pay_player map	2198	cf::object contr pay_amount pay_player map
1998	cf::object::player player	2199	cf::object::player player
1999	cf::player peaceful	2200	cf::player peaceful
2000	cf::map trigger	2201	cf::map trigger
…		…
2085	#############################################################################	2286	#############################################################################
2086		2287
2087	=head2 EXTENSION DATABASE SUPPORT	2288	=head2 EXTENSION DATABASE SUPPORT
2088		2289
2089	Crossfire maintains a very simple database for extension use. It can	2290	Crossfire maintains a very simple database for extension use. It can
2090	currently store anything that can be serialised using Storable, which	2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2091	excludes objects.	2292	convert to/from binary).
2092		2293
2093	The parameter C<$family> should best start with the name of the extension	2294	The parameter C<$family> should best start with the name of the extension
2094	using it, it should be unique.	2295	using it, it should be unique.
2095		2296
2096	=over 4	2297	=over 4
2097		2298
2098	=item $hashref = cf::db_get $family
2099
2100	Return a hashref for use by the extension C<$family>, which can be
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103
2104	=item $value = cf::db_get $family => $key	2299	=item $value = cf::db_get $family => $key
2105		2300
2106	Returns a single value from the database	2301	Returns a single value from the database.
2107
2108	=item cf::db_put $family => $hashref
2109
2110	Stores the given family hashref into the database. Updates are delayed, if
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2112		2302
2113	=item cf::db_put $family => $key => $value	2303	=item cf::db_put $family => $key => $value
2114		2304
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you	2305	Stores the given C<$value> in the family.
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125		2306
2126	=cut	2307	=cut
2127		2308
2128	our $DB;	2309	our $DB;
2129		2310
2130	{	2311	sub db_init {
2131	my $path = cf::localdir . "/database.pst";	2312	unless ($DB) {
		2313	$DB = BDB::db_create $DB_ENV;
2132		2314
2133	sub db_load() {	2315	cf::sync_job {
2134	$DB = stat $path ? Storable::retrieve $path : { };	2316	eval {
2135	}	2317	$DB->set_flags (BDB::CHKSUM);
2136		2318
2137	my $pid;	2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2138		2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2139	sub db_save() {	2321	cf::cleanup "db_open(db): $!" if $!;
2140	waitpid $pid, 0 if $pid;	2322	};
2141	if (0 == ($pid = fork)) {	2323	cf::cleanup "db_open(db): $@" if $@;
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}	2324	};
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	2325	}
		2326	}
2159		2327
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}
2164
2165	sub db_get($;$) {	2328	sub db_get($$) {
2166	@_ >= 2	2329	my $key = "$_[0]/$_[1]";
2167	? $DB->{$_[0]}{$_[1]}
2168	: ($DB->{$_[0]} ||= { })
2169	}
2170		2330
		2331	cf::sync_job {
		2332	BDB::db_get $DB, undef, $key, my $data;
		2333
		2334	$! ? ()
		2335	: $data
		2336	}
		2337	}
		2338
2171	sub db_put($$;$) {	2339	sub db_put($$$) {
2172	if (@_ >= 3) {	2340	BDB::dbreq_pri 4;
2173	$DB->{$_[0]}{$_[1]} = $_[2];	2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2174	} else {	2342	}
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179		2343
2180	cf::global->attach (	2344	=item cf::cache $id => [$paths...], $processversion => $process
2181	prio => 10000,	2345
2182	on_cleanup => sub {	2346	Generic caching function that returns the value of the resource $id,
2183	db_sync;	2347	caching and regenerating as required.
		2348
		2349	This function can block.
		2350
		2351	=cut
		2352
		2353	sub cache {
		2354	my ($id, $src, $processversion, $process) = @_;
		2355
		2356	my $meta =
		2357	join "\x00",
		2358	$processversion,
		2359	map {
		2360	aio_stat $_
		2361	and Carp::croak "$_: $!";
		2362
		2363	($_, (stat _)[7,9])
		2364	} @$src;
		2365
		2366	my $dbmeta = db_get cache => "$id/meta";
		2367	if ($dbmeta ne $meta) {
		2368	# changed, we may need to process
		2369
		2370	my @data;
		2371	my $md5;
		2372
		2373	for (0 .. $#$src) {
		2374	0 <= aio_load $src->[$_], $data[$_]
		2375	or Carp::croak "$src->[$_]: $!";
2184	},	2376	}
2185	);	2377
		2378	# if processing is expensive, check
		2379	# checksum first
		2380	if (1) {
		2381	$md5 =
		2382	join "\x00",
		2383	$processversion,
		2384	map {
		2385	Coro::cede;
		2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2387	} 0.. $#$src;
		2388
		2389
		2390	my $dbmd5 = db_get cache => "$id/md5";
		2391	if ($dbmd5 eq $md5) {
		2392	db_put cache => "$id/meta", $meta;
		2393
		2394	return db_get cache => "$id/data";
		2395	}
		2396	}
		2397
		2398	my $t1 = Time::HiRes::time;
		2399	my $data = $process->(\@data);
		2400	my $t2 = Time::HiRes::time;
		2401
		2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2403
		2404	db_put cache => "$id/data", $data;
		2405	db_put cache => "$id/md5" , $md5;
		2406	db_put cache => "$id/meta", $meta;
		2407
		2408	return $data;
		2409	}
		2410
		2411	db_get cache => "$id/data"
2186	}	2412	}
		2413
		2414	=item fork_call { }, $args
		2415
		2416	Executes the given code block with the given arguments in a seperate
		2417	process, returning the results. Everything must be serialisable with
		2418	Coro::Storable. May, of course, block. Note that the executed sub may
		2419	never block itself or use any form of Event handling.
		2420
		2421	=cut
		2422
		2423	sub fork_call(&@) {
		2424	my ($cb, @args) = @_;
		2425
		2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2427	# or die "socketpair: $!";
		2428	pipe my $fh1, my $fh2
		2429	or die "pipe: $!";
		2430
		2431	if (my $pid = fork) {
		2432	close $fh2;
		2433
		2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2435	$res = Coro::Storable::thaw $res;
		2436
		2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2438
		2439	die $$res unless "ARRAY" eq ref $res;
		2440
		2441	return wantarray ? @$res : $res->[-1];
		2442	} else {
		2443	reset_signals;
		2444	local $SIG{__WARN__};
		2445	local $SIG{__DIE__};
		2446	eval {
		2447	close $fh1;
		2448
		2449	my @res = eval { $cb->(@args) };
		2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2451	};
		2452
		2453	warn $@ if $@;
		2454	_exit 0;
		2455	}
		2456	}
		2457
		2458
2187		2459
2188	#############################################################################	2460	#############################################################################
2189	# the server's main()	2461	# the server's init and main functions
		2462
		2463	sub load_facedata($) {
		2464	my ($path) = @_;
		2465
		2466	warn "loading facedata from $path\n";
		2467
		2468	my $facedata;
		2469	0 < aio_load $path, $facedata
		2470	or die "$path: $!";
		2471
		2472	$facedata = Coro::Storable::thaw $facedata;
		2473
		2474	$facedata->{version} == 2
		2475	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2476
		2477	{
		2478	my $faces = $facedata->{faceinfo};
		2479
		2480	while (my ($face, $info) = each %$faces) {
		2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2485	Coro::cede;
		2486	}
		2487
		2488	while (my ($face, $info) = each %$faces) {
		2489	next unless $info->{smooth};
		2490	my $idx = cf::face::find $face
		2491	or next;
		2492	if (my $smooth = cf::face::find $info->{smooth}) {
		2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2494	} else {
		2495	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2496	}
		2497	Coro::cede;
		2498	}
		2499	}
		2500
		2501	{
		2502	my $anims = $facedata->{animinfo};
		2503
		2504	while (my ($anim, $info) = each %$anims) {
		2505	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2506	Coro::cede;
		2507	}
		2508
		2509	cf::anim::invalidate_all; # d'oh
		2510	}
		2511
		2512	1
		2513	}
		2514
		2515	sub reload_regions {
		2516	load_resource_file "$MAPDIR/regions"
		2517	or die "unable to load regions file\n";
		2518	}
		2519
		2520	sub reload_facedata {
		2521	load_facedata "$DATADIR/facedata"
		2522	or die "unable to load facedata\n";
		2523	}
		2524
		2525	sub reload_archetypes {
		2526	load_resource_file "$DATADIR/archetypes"
		2527	or die "unable to load archetypes\n";
		2528	}
		2529
		2530	sub reload_treasures {
		2531	load_resource_file "$DATADIR/treasures"
		2532	or die "unable to load treasurelists\n";
		2533	}
		2534
		2535	sub reload_resources {
		2536	warn "reloading resource files...\n";
		2537
		2538	reload_regions;
		2539	reload_facedata;
		2540	reload_archetypes;
		2541	reload_treasures;
		2542
		2543	warn "finished reloading resource files\n";
		2544	}
		2545
		2546	sub init {
		2547	reload_resources;
		2548	}
2190		2549
2191	sub cfg_load {	2550	sub cfg_load {
2192	open my $fh, "<:utf8", cf::confdir . "/config"	2551	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	2552	or return;
2194		2553
2195	local $/;	2554	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	2555	*CFG = YAML::Syck::Load <$fh>;
2197		2556
…		…
2211		2570
2212	sub main {	2571	sub main {
2213	# we must not ever block the main coroutine	2572	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	2573	local $Coro::idle = sub {
2215	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2574	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2575	(async {
2216	async { Event::one_event };	2576	Event::one_event;
		2577	})->prio (Coro::PRIO_MAX);
2217	};	2578	};
2218		2579
2219	cfg_load;	2580	cfg_load;
2220	db_load;	2581	db_init;
2221	load_extensions;	2582	load_extensions;
		2583
		2584	$TICK_WATCHER->start;
2222	Event::loop;	2585	Event::loop;
2223	}	2586	}
2224		2587
2225	#############################################################################	2588	#############################################################################
2226	# initialisation and cleanup	2589	# initialisation and cleanup
2227		2590
2228	# install some emergency cleanup handlers	2591	# install some emergency cleanup handlers
2229	BEGIN {	2592	BEGIN {
2230	for my $signal (qw(INT HUP TERM)) {	2593	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	2594	Event->signal (
		2595	reentrant => 0,
2232	data => WF_AUTOCANCEL,	2596	data => WF_AUTOCANCEL,
2233	signal => $signal,	2597	signal => $signal,
		2598	prio => 0,
2234	cb => sub {	2599	cb => sub {
2235	cf::cleanup "SIG$signal";	2600	cf::cleanup "SIG$signal";
2236	},	2601	},
2237	);	2602	);
2238	}	2603	}
2239	}	2604	}
…		…
2260	my $map = $cf::MAP{$path} or next;	2625	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	2626	$map->valid or next;
2262	$map->save;	2627	$map->save;
2263	}	2628	}
2264	warn "end emergency map save\n";	2629	warn "end emergency map save\n";
		2630
		2631	warn "begin emergency database checkpoint\n";
		2632	BDB::db_env_txn_checkpoint $DB_ENV;
		2633	warn "end emergency database checkpoint\n";
2265	};	2634	};
2266		2635
2267	warn "leave emergency perl save\n";	2636	warn "leave emergency perl save\n";
2268	}	2637	}
2269		2638
		2639	sub post_cleanup {
		2640	my ($make_core) = @_;
		2641
		2642	warn Carp::longmess "post_cleanup backtrace"
		2643	if $make_core;
		2644	}
		2645
2270	sub reload() {	2646	sub do_reload_perl() {
2271	# can/must only be called in main	2647	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	2648	if ($Coro::current != $Coro::main) {
2273	warn "can only reload from main coroutine\n";	2649	warn "can only reload from main coroutine";
2274	return;	2650	return;
2275	}	2651	}
2276		2652
2277	warn "reloading...";	2653	warn "reloading...";
2278		2654
2279	warn "freezing server";	2655	warn "entering sync_job";
2280	my $guard = freeze_mainloop;	2656
		2657	cf::sync_job {
		2658	cf::write_runtime; # external watchdog should not bark
2281	cf::emergency_save;	2659	cf::emergency_save;
		2660	cf::write_runtime; # external watchdog should not bark
2282		2661
2283	warn "sync database to disk";	2662	warn "syncing database to disk";
2284	cf::db_sync;	2663	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		2664
2287	eval {
2288	# if anything goes wrong in here, we should simply crash as we already saved	2665	# if anything goes wrong in here, we should simply crash as we already saved
2289		2666
2290	warn "cancel all watchers";	2667	warn "cancelling all WF_AUTOCANCEL watchers";
2291	for (Event::all_watchers) {	2668	for (Event::all_watchers) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2293	}	2670	}
2294		2671
		2672	warn "flushing outstanding aio requests";
		2673	for (;;) {
		2674	BDB::flush;
		2675	IO::AIO::flush;
		2676	Coro::cede;
		2677	last unless IO::AIO::nreqs || BDB::nreqs;
		2678	warn "iterate...";
		2679	}
		2680
		2681	++$RELOAD;
		2682
2295	warn "cancel all extension coros";	2683	warn "cancelling all extension coros";
2296	$_->cancel for values %EXT_CORO;	2684	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();	2685	%EXT_CORO = ();
2298		2686
2299	warn "remove commands";	2687	warn "removing commands";
2300	%COMMAND = ();	2688	%COMMAND = ();
2301		2689
2302	warn "remove ext commands";	2690	warn "removing ext commands";
2303	%EXTCMD = ();	2691	%EXTCMD = ();
2304		2692
2305	warn "unload/nuke all extensions";	2693	warn "unloading/nuking all extensions";
2306	for my $pkg (@EXTS) {	2694	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";	2695	warn "... unloading $pkg";
2308		2696
2309	if (my $cb = $pkg->can ("unload")) {	2697	if (my $cb = $pkg->can ("unload")) {
2310	eval {	2698	eval {
…		…
2315		2703
2316	warn "... nuking $pkg";	2704	warn "... nuking $pkg";
2317	Symbol::delete_package $pkg;	2705	Symbol::delete_package $pkg;
2318	}	2706	}
2319		2707
2320	warn "unload all perl modules loaded from $LIBDIR";	2708	warn "unloading all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {	2709	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2710	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323		2711
2324	warn "removing <$k>";	2712	warn "... unloading $k";
2325	delete $INC{$k};	2713	delete $INC{$k};
2326		2714
2327	$k =~ s/\.pm$//;	2715	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;	2716	$k =~ s/\//::/g;
2329		2717
…		…
2332	}	2720	}
2333		2721
2334	Symbol::delete_package $k;	2722	Symbol::delete_package $k;
2335	}	2723	}
2336		2724
2337	warn "get rid of safe::, as good as possible";	2725	warn "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	2726	Symbol::delete_package "safe::$_"
2339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2727	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2340		2728
2341	warn "unload cf.pm \"a bit\"";	2729	warn "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	2730	delete $INC{"cf.pm"};
		2731	delete $INC{"cf/pod.pm"};
2343		2732
2344	# don't, removes xs symbols, too,	2733	# don't, removes xs symbols, too,
2345	# and global variables created in xs	2734	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	2735	#Symbol::delete_package __PACKAGE__;
2347		2736
		2737	warn "unload completed, starting to reload now";
		2738
2348	warn "reloading cf.pm";	2739	warn "reloading cf.pm";
2349	require cf;	2740	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2351		2742
2352	warn "load config and database again";	2743	warn "loading config and database again";
2353	cf::cfg_load;	2744	cf::cfg_load;
2354	cf::db_load;
2355		2745
2356	warn "load extensions";	2746	warn "loading extensions";
2357	cf::load_extensions;	2747	cf::load_extensions;
2358		2748
2359	warn "reattach attachments to objects/players";	2749	warn "reattaching attachments to objects/players";
2360	_global_reattach;	2750	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	2751	warn "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	2752	reattach $_ for values %MAP;
2363	};	2753	warn "reattaching attachments to players";
		2754	reattach $_ for values %PLAYER;
2364		2755
2365	if ($@) {	2756	warn "leaving sync_job";
		2757
		2758	1
		2759	} or do {
2366	warn $@;	2760	warn $@;
2367	warn "error while reloading, exiting.";	2761	warn "error while reloading, exiting.";
2368	exit 1;	2762	exit 1;
2369	}	2763	};
2370		2764
2371	warn "reloaded";	2765	warn "reloaded";
2372	};	2766	};
2373		2767
		2768	our $RELOAD_WATCHER; # used only during reload
		2769
		2770	sub reload_perl() {
		2771	# doing reload synchronously and two reloads happen back-to-back,
		2772	# coro crashes during coro_state_free->destroy here.
		2773
		2774	$RELOAD_WATCHER ||= Event->timer (
		2775	reentrant => 0,
		2776	after => 0,
		2777	data => WF_AUTOCANCEL,
		2778	cb => sub {
		2779	do_reload_perl;
		2780	undef $RELOAD_WATCHER;
		2781	},
		2782	);
		2783	}
		2784
2374	register_command "reload" => sub {	2785	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	2786	my ($who, $arg) = @_;
2376		2787
2377	if ($who->flag (FLAG_WIZ)) {	2788	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	2789	$who->message ("reloading server.");
		2790	async { reload_perl };
2381	}	2791	}
2382	};	2792	};
2383		2793
2384	unshift @INC, $LIBDIR;	2794	unshift @INC, $LIBDIR;
		2795
		2796	my $bug_warning = 0;
		2797
		2798	our @WAIT_FOR_TICK;
		2799	our @WAIT_FOR_TICK_BEGIN;
		2800
		2801	sub wait_for_tick {
		2802	return unless $TICK_WATCHER->is_active;
		2803	return if $Coro::current == $Coro::main;
		2804
		2805	my $signal = new Coro::Signal;
		2806	push @WAIT_FOR_TICK, $signal;
		2807	$signal->wait;
		2808	}
		2809
		2810	sub wait_for_tick_begin {
		2811	return unless $TICK_WATCHER->is_active;
		2812	return if $Coro::current == $Coro::main;
		2813
		2814	my $signal = new Coro::Signal;
		2815	push @WAIT_FOR_TICK_BEGIN, $signal;
		2816	$signal->wait;
		2817	}
2385		2818
2386	$TICK_WATCHER = Event->timer (	2819	$TICK_WATCHER = Event->timer (
2387	reentrant => 0,	2820	reentrant => 0,
		2821	parked => 1,
2388	prio => 0,	2822	prio => 0,
2389	at => $NEXT_TICK || $TICK,	2823	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,	2824	data => WF_AUTOCANCEL,
2391	cb => sub {	2825	cb => sub {
		2826	if ($Coro::current != $Coro::main) {
		2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2828	unless ++$bug_warning > 10;
		2829	return;
		2830	}
		2831
2392	$NOW = Event::time;	2832	$NOW = Event::time;
2393		2833
2394	cf::server_tick; # one server iteration	2834	cf::server_tick; # one server iteration
		2835
2395	$RUNTIME += $TICK;	2836	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;	2837	$NEXT_TICK += $TICK;
2397		2838
2398	$WAIT_FOR_TICK->broadcast;	2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2399	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2840	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2841	Coro::async_pool {
		2842	write_runtime
		2843	or warn "ERROR: unable to write runtime file: $!";
		2844	};
		2845	}
		2846
		2847	# my $AFTER = Event::time;
		2848	# warn $AFTER - $NOW;#d#
2400		2849
2401	# if we are delayed by four ticks or more, skip them all	2850	# if we are delayed by four ticks or more, skip them all
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2403		2852
2404	$TICK_WATCHER->at ($NEXT_TICK);	2853	$TICK_WATCHER->at ($NEXT_TICK);
2405	$TICK_WATCHER->start;	2854	$TICK_WATCHER->start;
		2855
		2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2857	$sig->send;
		2858	}
		2859	while (my $sig = shift @WAIT_FOR_TICK) {
		2860	$sig->send;
		2861	}
		2862
		2863	_post_tick;
2406	},	2864	},
2407	);	2865	);
2408		2866
		2867	{
		2868	BDB::max_poll_time $TICK * 0.1;
		2869	$BDB_POLL_WATCHER = Event->io (
		2870	reentrant => 0,
		2871	fd => BDB::poll_fileno,
		2872	poll => 'r',
		2873	prio => 0,
		2874	data => WF_AUTOCANCEL,
		2875	cb => \&BDB::poll_cb,
		2876	);
		2877	BDB::min_parallel 8;
		2878
		2879	BDB::set_sync_prepare {
		2880	my $status;
		2881	my $current = $Coro::current;
		2882	(
		2883	sub {
		2884	$status = $!;
		2885	$current->ready; undef $current;
		2886	},
		2887	sub {
		2888	Coro::schedule while defined $current;
		2889	$! = $status;
		2890	},
		2891	)
		2892	};
		2893
		2894	unless ($DB_ENV) {
		2895	$DB_ENV = BDB::db_env_create;
		2896
		2897	cf::sync_job {
		2898	eval {
		2899	BDB::db_env_open
		2900	$DB_ENV,
		2901	$BDBDIR,
		2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2904	0666;
		2905
		2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2907
		2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2909	$DB_ENV->set_lk_detect;
		2910	};
		2911
		2912	cf::cleanup "db_env_open(db): $@" if $@;
		2913	};
		2914	}
		2915	}
		2916
		2917	{
		2918	IO::AIO::min_parallel 8;
		2919
		2920	undef $Coro::AIO::WATCHER;
2409	IO::AIO::max_poll_time $TICK * 0.2;	2921	IO::AIO::max_poll_time $TICK * 0.1;
2410
2411	$AIO_POLL_WATCHER = Event->io (	2922	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,	2923	reentrant => 0,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,	2924	data => WF_AUTOCANCEL,
2421	after => 0,	2925	fd => IO::AIO::poll_fileno,
2422	interval => 10,	2926	poll => 'r',
2423	cb => sub {	2927	prio => 6,
2424	(Coro::unblock_sub {	2928	cb => \&IO::AIO::poll_cb,
2425	write_runtime	2929	);
2426	or warn "ERROR: unable to write runtime file: $!";	2930	}
		2931
		2932	my $_log_backtrace;
		2933
		2934	sub _log_backtrace {
		2935	my ($msg, @addr) = @_;
		2936
		2937	$msg =~ s/\n//;
		2938
		2939	# limit the # of concurrent backtraces
		2940	if ($_log_backtrace < 2) {
		2941	++$_log_backtrace;
		2942	async {
		2943	my @bt = fork_call {
		2944	@addr = map { sprintf "%x", $_ } @addr;
		2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		2947	or die "addr2line: $!";
		2948
		2949	my @funcs;
		2950	my @res = <$fh>;
		2951	chomp for @res;
		2952	while (@res) {
		2953	my ($func, $line) = splice @res, 0, 2, ();
		2954	push @funcs, "[$func] $line";
		2955	}
		2956
		2957	@funcs
		2958	};
		2959
		2960	LOG llevInfo, "[ABT] $msg\n";
		2961	LOG llevInfo, "[ABT] $_\n" for @bt;
		2962	--$_log_backtrace;
2427	})->();	2963	};
		2964	} else {
		2965	LOG llevInfo, "[ABT] $msg\n";
		2966	LOG llevInfo, "[ABT] [suppressed]\n";
2428	},	2967	}
2429	);	2968	}
		2969
		2970	# load additional modules
		2971	use cf::pod;
2430		2972
2431	END { cf::emergency_save }	2973	END { cf::emergency_save }
2432		2974
2433	1	2975	1
2434		2976

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