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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 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 3.5 ();	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;
53	our $USE_FSYNC; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
54		82
55	our %CFG;	83	our %CFG;
56		84
57	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	86	our $RUNTIME;
59		87
60	our %PLAYER; # all users	88	our %PLAYER; # all users
61	our %MAP; # all maps	89	our %MAP; # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		91
68	# 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 ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		94
71	binmode STDOUT;	95	binmode STDOUT;
72	binmode STDERR;	96	binmode STDERR;
73		97
74	# read virtual server time, if available	98	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
79	}	103	}
80		104
81	mkdir cf::localdir;	105	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		107
87	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
88		109
89	sub cf::map::normalise;	110	sub cf::map::normalise;
90		111
…		…
101	=item $cf::RUNTIME	122	=item $cf::RUNTIME
102		123
103	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
104	every server tick.	125	every server tick.
105		126
106	=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
107		130
108	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
109	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.
110		135
111	=item $cf::NOW	136	=item $cf::NOW
112		137
113	The time of the last (current) server tick.	138	The time of the last (current) server tick.
114		139
…		…
119	=item %cf::CFG	144	=item %cf::CFG
120		145
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
122	from wherever your confdir points to.	147	from wherever your confdir points to.
123		148
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	149	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		150
126	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
127	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
128	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.
129	window of cpu time available, or simply to synchronise to the server tick.
130		154
131	=back	155	=back
132		156
133	=cut	157	=cut
134		158
135	BEGIN {	159	BEGIN {
136	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	161	my $msg = join "", @_;
138	utf8::encode $msg;
139		162
140	$msg .= "\n"	163	$msg .= "\n"
141	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
142		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
143	LOG llevError, $msg;	169	LOG llevError, $msg;
144	};	170	};
145	}	171	}
146		172
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
193	$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;
194	$d	220	$d
195	} || "[unable to dump $_[0]: '$@']";	221	} || "[unable to dump $_[0]: '$@']";
196	}	222	}
197		223
198	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
199		225
200	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
201		227
202	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
203		229
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
212		231
213	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
214
215	=cut
216
217	sub to_json($) {
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
219	JSON::Syck::Dump $_[0]
220	}
221		233
222	=item cf::lock_wait $string	234	=item cf::lock_wait $string
223		235
224	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
225		237
…		…
231	returned.	243	returned.
232		244
233	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
234	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
235		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
236	=cut	252	=cut
237		253
238	our %LOCK;	254	our %LOCK;
239		255
240	sub lock_wait($) {	256	sub lock_wait($) {
…		…
259	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
261	}	277	}
262	}	278	}
263		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
		284	}
		285
264	sub freeze_mainloop {	286	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
266		288
267	my $guard = Coro::guard {	289	my $guard = Coro::guard {
268	$TICK_WATCHER->start;	290	$TICK_WATCHER->start;
269	$WRITE_RUNTIME_WATCHER->start;
270	};	291	};
271	$WRITE_RUNTIME_WATCHER->stop;
272	$TICK_WATCHER->stop;	292	$TICK_WATCHER->stop;
273	$guard	293	$guard
274	}	294	}
275		295
276	=item cf::async { BLOCK }	296	=item cf::async { BLOCK }
…		…
347		367
348	$coro	368	$coro
349	}	369	}
350		370
351	sub write_runtime {	371	sub write_runtime {
352	my $runtime = cf::localdir . "/runtime";	372	my $guard = cf::lock_acquire "write_runtime";
353		373
		374	my $runtime = "$LOCALDIR/runtime";
		375
		376	warn "starting to write runtime...\n";#d#
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
355	or return;	378	or return;
356		379
357	my $value = $cf::RUNTIME + 90 + 10;	380	my $value = $cf::RUNTIME + 90 + 10;
358	# 10 is the runtime save interval, for a monotonic clock	381	# 10 is the runtime save interval, for a monotonic clock
…		…
369	or return;	392	or return;
370		393
371	aio_rename "$runtime~", $runtime	394	aio_rename "$runtime~", $runtime
372	and return;	395	and return;
373		396
		397	warn "... done writing runtime.\n";#d#
		398
374	1	399	1
		400	}
		401
		402	=item cf::datalog type => key => value, ...
		403
		404	Log a datalog packet of the given type with the given key-value pairs.
		405
		406	=cut
		407
		408	sub datalog($@) {
		409	my ($type, %kv) = @_;
		410	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	411	}
376		412
377	=back	413	=back
378		414
379	=cut	415	=cut
…		…
778	}	814	}
779	} else {	815	} else {
780	aio_unlink $filename;	816	aio_unlink $filename;
781	aio_unlink "$filename.pst";	817	aio_unlink "$filename.pst";
782	}	818	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	819	}
790	}	820	}
791		821
792	sub object_freezer_as_string {	822	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	823	my ($rdata, $objs) = @_;
…		…
799		829
800	sub object_thawer_load {	830	sub object_thawer_load {
801	my ($filename) = @_;	831	my ($filename) = @_;
802		832
803	my ($data, $av);	833	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		834
808	(aio_load $filename, $data) >= 0	835	(aio_load $filename, $data) >= 0
809	or return;	836	or return;
810		837
811	unless (aio_stat "$filename.pst") {	838	unless (aio_stat "$filename.pst") {
…		…
950	Returns the given player object, loading it if necessary (might block).	977	Returns the given player object, loading it if necessary (might block).
951		978
952	=cut	979	=cut
953		980
954	sub playerdir($) {	981	sub playerdir($) {
955	cf::localdir	982	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	983	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	984	}
961		985
962	sub path($) {	986	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	987	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		988
965	(playerdir $login) . "/$login.pl"	989	(playerdir $login) . "/playerdata"
966	}	990	}
967		991
968	sub find_active($) {	992	sub find_active($) {
969	$cf::PLAYER{$_[0]}	993	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	994	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1007	my $login = $_[0];
984		1008
985	my $guard = cf::lock_acquire "user_find:$login";	1009	my $guard = cf::lock_acquire "user_find:$login";
986		1010
987	$cf::PLAYER{$_[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
988	my $pl = load_pl path $login	1019	my $pl = load_pl path $login
989	or return;	1020	or return;
990	$cf::PLAYER{$login} = $pl	1021	$cf::PLAYER{$login} = $pl
991	}	1022	}
992	}	1023	}
…		…
1029		1060
1030	=cut	1061	=cut
1031		1062
1032	sub quit_character {	1063	sub quit_character {
1033	my ($pl) = @_;	1064	my ($pl) = @_;
		1065
		1066	my $name = $pl->ob->name;
1034		1067
1035	$pl->{deny_save} = 1;	1068	$pl->{deny_save} = 1;
1036	$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
1037		1070
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1076	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1077	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1078	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1079	delete $cf::PLAYER{$pl->ob->name};
1047	$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
1048	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;
1049	}	1102	}
1050		1103
1051	=item cf::player::list_logins	1104	=item cf::player::list_logins
1052		1105
1053	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
1054	while and may block, so not sync_job-capable, ever.	1107	while and may block, so not sync_job-capable, ever.
1055		1108
1056	=cut	1109	=cut
1057		1110
1058	sub list_logins {	1111	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1112	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1113	or return [];
1061		1114
1062	my @logins;	1115	my @logins;
1063		1116
1064	for my $login (@$dirs) {	1117	for my $login (@$dirs) {
…		…
1099	}	1152	}
1100		1153
1101	\@paths	1154	\@paths
1102	}	1155	}
1103		1156
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1157	=item $player->ext_reply ($msgid, %msg)
1105		1158
1106	Sends an ext reply to the player.	1159	Sends an ext reply to the player.
1107		1160
1108	=cut	1161	=cut
1109		1162
1110	sub ext_reply($$$%) {	1163	sub ext_reply($$%) {
1111	my ($self, $id, %msg) = @_;	1164	my ($self, $id, %msg) = @_;
1112		1165
1113	$msg{msgid} = $id;	1166	$msg{msgid} = $id;
1114		1167
1115	$self->send ("ext " . cf::to_json \%msg);	1168	$self->send ("ext " . cf::to_json \%msg);
1116	}	1169	}
1117		1170
1118	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	}
1119		1211
1120	=back	1212	=back
1121
1122		1213
1123	=head3 cf::map	1214	=head3 cf::map
1124		1215
1125	=over 4	1216	=over 4
1126		1217
…		…
1264		1355
1265	# the original (read-only) location	1356	# the original (read-only) location
1266	sub load_path {	1357	sub load_path {
1267	my ($self) = @_;	1358	my ($self) = @_;
1268		1359
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1360	"$MAPDIR/$self->{path}.map"
1270	}	1361	}
1271		1362
1272	# the temporary/swap location	1363	# the temporary/swap location
1273	sub save_path {	1364	sub save_path {
1274	my ($self) = @_;	1365	my ($self) = @_;
1275		1366
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1368	"$TMPDIR/$path.map"
1278	}	1369	}
1279		1370
1280	# the unique path, undef == no special unique path	1371	# the unique path, undef == no special unique path
1281	sub uniq_path {	1372	sub uniq_path {
1282	my ($self) = @_;	1373	my ($self) = @_;
1283		1374
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1376	"$UNIQUEDIR/$path"
1286	}	1377	}
1287		1378
1288	# and all this just because we cannot iterate over	1379	# and all this just because we cannot iterate over
1289	# all maps in C++...	1380	# all maps in C++...
1290	sub change_all_map_light {	1381	sub change_all_map_light {
…		…
1298	my ($self) = @_;	1389	my ($self) = @_;
1299		1390
1300	utf8::encode (my $save = $self->save_path);	1391	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1392	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1393	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1394	}
1309		1395
1310	sub load_header_from($) {	1396	sub load_header_from($) {
1311	my ($self, $path) = @_;	1397	my ($self, $path) = @_;
1312		1398
…		…
1362	$self->load_header_orig	1448	$self->load_header_orig
1363	or return;	1449	or return;
1364	$self->prepare_orig;	1450	$self->prepare_orig;
1365	}	1451	}
1366		1452
		1453	$self->default_region (cf::region::find_by_path $self->{path})
		1454	unless $self->default_region;
		1455
1367	1	1456	1
1368	}	1457	}
1369		1458
1370	sub find;	1459	sub find;
1371	sub find {	1460	sub find {
…		…
1404	my ($self) = @_;	1493	my ($self) = @_;
1405		1494
1406	local $self->{deny_reset} = 1; # loading can take a long time	1495	local $self->{deny_reset} = 1; # loading can take a long time
1407		1496
1408	my $path = $self->{path};	1497	my $path = $self->{path};
		1498
		1499	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1500	my $guard = cf::lock_acquire "map_load:$path";
1410		1501
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1502	return if $self->in_memory != cf::MAP_SWAPPED;
1412		1503
1413	$self->in_memory (cf::MAP_LOADING);	1504	$self->in_memory (cf::MAP_LOADING);
1414		1505
1415	$self->alloc;	1506	$self->alloc;
1416		1507
1417	$self->pre_load;	1508	$self->pre_load;
1418
1419	$self->_load_objects ($self->{load_path}, 1)
1420	or return;
1421
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};
1424
1425	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);
1430	}
1431	}
1432
1433	Coro::cede;
1434
1435	# now do the right thing for maps
1436	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;	1509	Coro::cede;
1443	$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;
1444	$self->difficulty ($self->estimate_difficulty)	1528	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1529	unless $self->difficulty;
1446	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;
1447	$self->activate;	1539	$self->activate;
		1540	}
		1541
		1542	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1543	}
1449		1544
1450	$self->post_load;	1545	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	1546	}
1454		1547
1455	sub customise_for {	1548	sub customise_for {
1456	my ($self, $ob) = @_;	1549	my ($self, $ob) = @_;
1457		1550
…		…
1600	return if $self->players;	1693	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#	1694	return if $self->isa ("ext::map_per_player");#d#
1602		1695
1603	warn "resetting map ", $self->path;#d#	1696	warn "resetting map ", $self->path;#d#
1604		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
1605	delete $cf::MAP{$self->path};	1708	delete $cf::MAP{$self->path};
1606		1709
1607	$self->in_memory (cf::MAP_SWAPPED);
1608	$self->clear;	1710	$self->clear;
1609		1711
1610	$_->clear_links_to ($self) for values %cf::MAP;	1712	$_->clear_links_to ($self) for values %cf::MAP;
1611		1713
1612	$self->unlink_save;	1714	$self->unlink_save;
…		…
1639	instantiated unique items. May block.	1741	instantiated unique items. May block.
1640		1742
1641	=cut	1743	=cut
1642		1744
1643	sub unique_maps() {	1745	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1746	my $files = aio_readdir $UNIQUEDIR
1645	or return;	1747	or return;
1646		1748
1647	my @paths;	1749	my @paths;
1648		1750
1649	for (@$files) {	1751	for (@$files) {
…		…
1802	$map->load;	1904	$map->load;
1803	$map->load_diag;	1905	$map->load_diag;
1804		1906
1805	return unless $self->contr->active;	1907	return unless $self->contr->active;
1806	$self->activate_recursive;	1908	$self->activate_recursive;
		1909
		1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	1911	$self->enter_map ($map, $x, $y);
1808	}	1912	}
1809		1913
1810	cf::player->attach (	1914	cf::player->attach (
1811	on_logout => sub {	1915	on_logout => sub {
…		…
1824	# try to abort aborted map switching on player login :)	1928	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes	1929	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {	1930	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;	1931	$pl->ob->enter_link;
1828	(async {	1932	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,	1933	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "	1934	"There was an internal problem at your last logout, "
1833	. "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.",
1834	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
1835	Coro::Timer::sleep 1;	1939	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;	1940	$pl->ob->leave_link;
1837	})->prio (2);	1941	})->prio (2);
1838	}	1942	}
1839	},	1943	},
…		…
1903		2007
1904	$rmp->{random_seed} ||= $exit->random_seed;	2008	$rmp->{random_seed} ||= $exit->random_seed;
1905		2009
1906	my $data = cf::to_json $rmp;	2010	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2011	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2012	my $meta = "$RANDOMDIR/$md5.meta";
1909		2013
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2015	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2016	undef $fh;
1913	aio_rename "$meta~", $meta;	2017	aio_rename "$meta~", $meta;
…		…
1922		2026
1923	return unless $self->type == cf::PLAYER;	2027	return unless $self->type == cf::PLAYER;
1924		2028
1925	if ($exit->slaying eq "/!") {	2029	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	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
1927	cf::sync_job { prepare_random_map $exit };	2033	cf::sync_job { prepare_random_map $exit };
1928	}	2034	}
1929		2035
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2036	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2037	my $hp = $exit->stats->hp;
…		…
1939	$self->goto ($slaying, $hp, $sp);	2045	$self->goto ($slaying, $hp, $sp);
1940		2046
1941	1;	2047	1;
1942	}) {	2048	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2049	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "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. "
1945	. "Please report this to the dungeon master!",	2051	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2052	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2053
1948	warn "ERROR in enter_exit: $@";	2054	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2055	$self->leave_link;
1950	}	2056	}
1951	})->prio (1);	2057	})->prio (1);
…		…
1964		2070
1965	sub cf::client::send_drawinfo {	2071	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2072	my ($self, $text, $flags) = @_;
1967		2073
1968	utf8::encode $text;	2074	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2076	}
1971		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	}
1972		2090
1973	=item $success = $client->query ($flags, "text", \&cb)	2091	=item $success = $client->query ($flags, "text", \&cb)
1974		2092
1975	Queues a query to the client, calling the given callback with	2093	Queues a query to the client, calling the given callback with
1976	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>,
…		…
2073		2191
2074	# here we export the classes and methods available to script code	2192	# here we export the classes and methods available to script code
2075		2193
2076	=pod	2194	=pod
2077		2195
2078	The following fucntions and emthods are available within a safe environment:	2196	The following functions and methods are available within a safe environment:
2079		2197
2080	cf::object contr pay_amount pay_player map	2198	cf::object contr pay_amount pay_player map
2081	cf::object::player player	2199	cf::object::player player
2082	cf::player peaceful	2200	cf::player peaceful
2083	cf::map trigger	2201	cf::map trigger
…		…
2168	#############################################################################	2286	#############################################################################
2169		2287
2170	=head2 EXTENSION DATABASE SUPPORT	2288	=head2 EXTENSION DATABASE SUPPORT
2171		2289
2172	Crossfire maintains a very simple database for extension use. It can	2290	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which	2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2174	excludes objects.	2292	convert to/from binary).
2175		2293
2176	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
2177	using it, it should be unique.	2295	using it, it should be unique.
2178		2296
2179	=over 4	2297	=over 4
2180		2298
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key	2299	=item $value = cf::db_get $family => $key
2188		2300
2189	Returns a single value from the database	2301	Returns a single value from the database.
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195		2302
2196	=item cf::db_put $family => $key => $value	2303	=item cf::db_put $family => $key => $value
2197		2304
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you	2305	Stores the given C<$value> in the family.
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208		2306
2209	=cut	2307	=cut
2210		2308
2211	our $DB;	2309	our $DB;
2212		2310
2213	{	2311	sub db_init {
2214	my $path = cf::localdir . "/database.pst";	2312	unless ($DB) {
		2313	$DB = BDB::db_create $DB_ENV;
2215		2314
2216	sub db_load() {	2315	cf::sync_job {
2217	$DB = stat $path ? Storable::retrieve $path : { };	2316	eval {
2218	}	2317	$DB->set_flags (BDB::CHKSUM);
2219		2318
2220	my $pid;	2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2221		2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2222	sub db_save() {	2321	cf::cleanup "db_open(db): $!" if $!;
2223	waitpid $pid, 0 if $pid;	2322	};
2224	if (0 == ($pid = fork)) {	2323	cf::cleanup "db_open(db): $@" if $@;
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}	2324	};
2230	}	2325	}
		2326	}
2231		2327
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {	2328	sub db_get($$) {
2254	@_ >= 2	2329	my $key = "$_[0]/$_[1]";
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258		2330
		2331	cf::sync_job {
		2332	BDB::db_get $DB, undef, $key, my $data;
		2333
		2334	$! ? ()
		2335	: $data
		2336	}
		2337	}
		2338
2259	sub db_put($$;$) {	2339	sub db_put($$$) {
2260	if (@_ >= 3) {	2340	BDB::dbreq_pri 4;
2261	$DB->{$_[0]}{$_[1]} = $_[2];	2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2262	} else {	2342	}
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267		2343
2268	cf::global->attach (	2344	=item cf::cache $id => [$paths...], $processversion => $process
2269	prio => 10000,	2345
2270	on_cleanup => sub {	2346	Generic caching function that returns the value of the resource $id,
2271	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->[$_]: $!";
2272	},	2376	}
2273	);	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"
2274	}	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 $@;
		2454	_exit 0;
		2455	}
		2456	}
		2457
		2458
2275		2459
2276	#############################################################################	2460	#############################################################################
2277	# the server's init and main functions	2461	# the server's init and main functions
2278		2462
2279	sub load_resources {	2463	sub load_facedata($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	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"
2281	or die "unable to load regions file\n";#d#	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;
2282	}	2548	}
2283		2549
2284	sub cfg_load {	2550	sub cfg_load {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	2551	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	2552	or return;
2287		2553
2288	local $/;	2554	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	2555	*CFG = YAML::Syck::Load <$fh>;
2290		2556
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2564	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	2565	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	2566	};
2301	warn $@ if $@;	2567	warn $@ if $@;
2302	}	2568	}
2303	}
2304
2305	sub init {
2306	load_resources;
2307	}	2569	}
2308		2570
2309	sub main {	2571	sub main {
2310	# we must not ever block the main coroutine	2572	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	2573	local $Coro::idle = sub {
…		…
2314	Event::one_event;	2576	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	2577	})->prio (Coro::PRIO_MAX);
2316	};	2578	};
2317		2579
2318	cfg_load;	2580	cfg_load;
2319	db_load;	2581	db_init;
2320	load_extensions;	2582	load_extensions;
2321		2583
2322	$TICK_WATCHER->start;	2584	$TICK_WATCHER->start;
2323	Event::loop;	2585	Event::loop;
2324	}	2586	}
…		…
2363	my $map = $cf::MAP{$path} or next;	2625	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	2626	$map->valid or next;
2365	$map->save;	2627	$map->save;
2366	}	2628	}
2367	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 $DB_ENV;
		2633	warn "end emergency database checkpoint\n";
2368	};	2634	};
2369		2635
2370	warn "leave emergency perl save\n";	2636	warn "leave emergency perl save\n";
2371	}	2637	}
2372		2638
		2639	sub post_cleanup {
		2640	my ($make_core) = @_;
		2641
		2642	warn Carp::longmess "post_cleanup backtrace"
		2643	if $make_core;
		2644	}
		2645
2373	sub reload() {	2646	sub do_reload_perl() {
2374	# can/must only be called in main	2647	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	2648	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	2649	warn "can only reload from main coroutine";
2377	return;	2650	return;
2378	}	2651	}
2379		2652
2380	warn "reloading...";	2653	warn "reloading...";
2381		2654
2382	warn "cancelling server ticker";	2655	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		2656
		2657	cf::sync_job {
		2658	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	2659	cf::emergency_save;
		2660	cf::write_runtime; # external watchdog should not bark
2386		2661
2387	eval {	2662	warn "syncing database to disk";
		2663	BDB::db_env_txn_checkpoint $DB_ENV;
		2664
2388	# 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
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392		2666
2393	warn "cancelling all WF_AUTOCANCEL watchers";	2667	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	2668	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	2670	}
2397		2671
2398	warn "flushing outstanding aio requests";	2672	warn "flushing outstanding aio requests";
2399	for (;;) {	2673	for (;;) {
		2674	BDB::flush;
2400	IO::AIO::flush;	2675	IO::AIO::flush;
2401	Coro::cede;	2676	Coro::cede;
2402	last unless IO::AIO::nreqs;	2677	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	2678	warn "iterate...";
2404	}	2679	}
		2680
		2681	++$RELOAD;
2405		2682
2406	warn "cancelling all extension coros";	2683	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	2684	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	2685	%EXT_CORO = ();
2409		2686
…		…
2449	Symbol::delete_package "safe::$_"	2726	Symbol::delete_package "safe::$_"
2450	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);
2451		2728
2452	warn "unloading cf.pm \"a bit\"";	2729	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	2730	delete $INC{"cf.pm"};
		2731	delete $INC{"cf/pod.pm"};
2454		2732
2455	# don't, removes xs symbols, too,	2733	# don't, removes xs symbols, too,
2456	# and global variables created in xs	2734	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	2735	#Symbol::delete_package __PACKAGE__;
2458		2736
…		…
2462	require cf;	2740	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		2742
2465	warn "loading config and database again";	2743	warn "loading config and database again";
2466	cf::cfg_load;	2744	cf::cfg_load;
2467	cf::db_load;
2468		2745
2469	warn "loading extensions";	2746	warn "loading extensions";
2470	cf::load_extensions;	2747	cf::load_extensions;
2471		2748
2472	warn "reattaching attachments to objects/players";	2749	warn "reattaching attachments to objects/players";
2473	_global_reattach;	2750	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	2751	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	2752	reattach $_ for values %MAP;
		2753	warn "reattaching attachments to players";
		2754	reattach $_ for values %PLAYER;
2476		2755
2477	warn "loading reloadable resources";	2756	warn "leaving sync_job";
2478	load_resources;
2479		2757
2480	warn "restarting server ticker";	2758	1
2481		2759	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	2760	warn $@;
2487	warn "error while reloading, exiting.";	2761	warn "error while reloading, exiting.";
2488	exit 1;	2762	exit 1;
2489	}	2763	};
2490		2764
2491	warn "reloaded";	2765	warn "reloaded";
2492	};	2766	};
2493		2767
2494	our $RELOAD_WATCHER; # used only during reload	2768	our $RELOAD_WATCHER; # used only during reload
2495		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 $RELOAD_WATCHER;
		2781	},
		2782	);
		2783	}
		2784
2496	register_command "reload" => sub {	2785	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	2786	my ($who, $arg) = @_;
2498		2787
2499	if ($who->flag (FLAG_WIZ)) {	2788	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	2789	$who->message ("reloading server.");
2501		2790	async { reload_perl };
2502	# doing reload synchronously and two reloads happen back-to-back,
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);
2514	}	2791	}
2515	};	2792	};
2516		2793
2517	unshift @INC, $LIBDIR;	2794	unshift @INC, $LIBDIR;
2518		2795
2519	my $bug_warning = 0;	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	}
2520		2818
2521	$TICK_WATCHER = Event->timer (	2819	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	2820	reentrant => 0,
2523	parked => 1,	2821	parked => 1,
2524	prio => 0,	2822	prio => 0,
…		…
2532	}	2830	}
2533		2831
2534	$NOW = Event::time;	2832	$NOW = Event::time;
2535		2833
2536	cf::server_tick; # one server iteration	2834	cf::server_tick; # one server iteration
		2835
2537	$RUNTIME += $TICK;	2836	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	2837	$NEXT_TICK += $TICK;
2539		2838
2540	$WAIT_FOR_TICK->broadcast;	2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2840	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		2841	Coro::async_pool {
2543	Event::sweep;	2842	write_runtime
2544	Coro::cede_notself;	2843	or warn "ERROR: unable to write runtime file: $!";
		2844	};
2545		2845	}
		2846
2546	# my $AFTER = Event::time;	2847	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#	2848	# warn $AFTER - $NOW;#d#
2548		2849
2549	# 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
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2551		2852
2552	$TICK_WATCHER->at ($NEXT_TICK);	2853	$TICK_WATCHER->at ($NEXT_TICK);
2553	$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;
2554	},	2864	},
2555	);	2865	);
2556		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;
2557	IO::AIO::max_poll_time $TICK * 0.1;	2921	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	2922	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	2923	reentrant => 0,
		2924	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	2925	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	2926	poll => 'r',
2564	prio => 6,	2927	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	2928	cb => \&IO::AIO::poll_cb,
2567	);	2929	);
		2930	}
2568		2931
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	2932	my $_log_backtrace;
2570	reentrant => 0,	2933
2571	data => WF_AUTOCANCEL,	2934	sub _log_backtrace {
2572	after => 1,	2935	my ($msg, @addr) = @_;
2573	interval => 10,	2936
2574	prio => 6, # keep it lowest so it acts like a watchdog	2937	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	2938
2576	write_runtime	2939	# limit the # of concurrent backtraces
2577	or warn "ERROR: unable to write runtime file: $!";	2940	if ($_log_backtrace < 2) {
		2941	++$_log_backtrace;
		2942	async {
		2943	my @bt = fork_call {
		2944	@addr = map { sprintf "%x", $_ } @addr;
		2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		2947	or die "addr2line: $!";
		2948
		2949	my @funcs;
		2950	my @res = <$fh>;
		2951	chomp for @res;
		2952	while (@res) {
		2953	my ($func, $line) = splice @res, 0, 2, ();
		2954	push @funcs, "[$func] $line";
		2955	}
		2956
		2957	@funcs
		2958	};
		2959
		2960	LOG llevInfo, "[ABT] $msg\n";
		2961	LOG llevInfo, "[ABT] $_\n" for @bt;
		2962	--$_log_backtrace;
		2963	};
		2964	} else {
		2965	LOG llevInfo, "[ABT] $msg\n";
		2966	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	2967	}
2579	);	2968	}
		2969
		2970	# load additional modules
		2971	use cf::pod;
2580		2972
2581	END { cf::emergency_save }	2973	END { cf::emergency_save }
2582		2974
2583	1	2975	1
2584		2976

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