[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.5 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
20	use Data::Dumper;	23	use Data::Dumper;
21	use Digest::MD5;	24	use Digest::MD5;
22	use Fcntl;	25	use Fcntl;
		26	use YAML::Syck ();
23	use IO::AIO 2.32 ();	27	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
26		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$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		37
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
33		40
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		42
		43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		44
36	our %COMMAND = ();	45	our %COMMAND = ();
37	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
38		47
39	our @EXTS = (); # list of extension package names	48	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	49	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	50	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	51	our %EXT_MAP = (); # pluggable maps
43		52
		53	our $RELOAD; # number of reloads so far
44	our @EVENT;	54	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
46		56
47	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
48	our $TICK_WATCHER;	58	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	59	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	61	our $NEXT_TICK;
52	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
53		67
54	our %CFG;	68	our %CFG;
55		69
56	our $UPTIME; $UPTIME \|\|= time;	70	our $UPTIME; $UPTIME \|\|= time;
57	our $RUNTIME;	71	our $RUNTIME;
58		72
59	our %PLAYER; # all users	73	our %PLAYER; # all users
60	our %MAP; # all maps	74	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	75	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
		77	our $BDB_ENV_DIR = cf::localdir . "/db";
63		78
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK \|\|= new Coro::Signal;	79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK \|\|= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE \|\|= new Coro::Signal;	80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE \|\|= new Coro::Signal;
66		81
67	# used to convert map paths into valid unix filenames by replacing / by ∕	82	# used to convert map paths into valid unix filenames by replacing / by ∕
…		…
80	mkdir cf::localdir;	95	mkdir cf::localdir;
81	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
82	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
85		101
86	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
87		103
88	sub cf::map::normalise;	104	sub cf::map::normalise;
89		105
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	209	$d
194	} \|\| "[unable to dump $_[0]: '$@']";	210	} \|\| "[unable to dump $_[0]: '$@']";
195	}	211	}
196		212
197	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
198		214
199	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
200		216
201	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
202		218
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
211		220
212	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
213
214	=cut
215
216	sub to_json($) {
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
218	JSON::Syck::Dump $_[0]
219	}
220		222
221	=item cf::lock_wait $string	223	=item cf::lock_wait $string
222		224
223	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
224		226
…		…
263	sub freeze_mainloop {	265	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
265		267
266	my $guard = Coro::guard {	268	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	269	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	270	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
272	$guard	272	$guard
273	}	273	}
274		274
275	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
346		346
347	$coro	347	$coro
348	}	348	}
349		349
350	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
351	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
352		354
353	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
354	or return;	356	or return;
355		357
…		…
358	# 60 allows for the watchdog to kill the server.	360	# 60 allows for the watchdog to kill the server.
359		361
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
361	and return;	363	and return;
362		364
		365	# always fsync - this file is important
363	aio_fsync $fh	366	aio_fsync $fh
364	and return;	367	and return;
365		368
366	close $fh	369	close $fh
367	or return;	370	or return;
368		371
369	aio_rename "$runtime~", $runtime	372	aio_rename "$runtime~", $runtime
370	and return;	373	and return;
371		374
372	1	375	1
		376	}
		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	387	}
374		388
375	=back	389	=back
376		390
377	=cut	391	=cut
…		…
752	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
753		767
754	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	772	close $fh;
759		773
760	if (@$objs) {	774	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	780	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
768	}	782	}
769	} else {	783	} else {
770	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
776	}	790	}
777	} else {	791	} else {
778	aio_unlink $filename;	792	aio_unlink $filename;
779	aio_unlink "$filename.pst";	793	aio_unlink "$filename.pst";
780	}	794	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	795	}
788	}	796	}
789		797
790	sub object_freezer_as_string {	798	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	799	my ($rdata, $objs) = @_;
…		…
797		805
798	sub object_thawer_load {	806	sub object_thawer_load {
799	my ($filename) = @_;	807	my ($filename) = @_;
800		808
801	my ($data, $av);	809	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		810
806	(aio_load $filename, $data) >= 0	811	(aio_load $filename, $data) >= 0
807	or return;	812	or return;
808		813
809	unless (aio_stat "$filename.pst") {	814	unless (aio_stat "$filename.pst") {
…		…
1028	=cut	1033	=cut
1029		1034
1030	sub quit_character {	1035	sub quit_character {
1031	my ($pl) = @_;	1036	my ($pl) = @_;
1032		1037
		1038	my $name = $pl->ob->name;
		1039
1033	$pl->{deny_save} = 1;	1040	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1042
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1044	$pl->deactivate;
…		…
1041	my $path = playerdir $pl;	1048	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1049	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1050	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1051	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
1046	IO::AIO::aio_rmtree $temp;	1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
1047	}	1074	}
1048		1075
1049	=item cf::player::list_logins	1076	=item cf::player::list_logins
1050		1077
1051	Returns am arrayref of all valid playernames in the system, can take a	1078	Returns am arrayref of all valid playernames in the system, can take a
…		…
1079	=cut	1106	=cut
1080		1107
1081	sub maps($) {	1108	sub maps($) {
1082	my ($pl) = @_;	1109	my ($pl) = @_;
1083		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
		1112
1084	my $files = aio_readdir playerdir $pl	1113	my $files = aio_readdir playerdir $pl
1085	or return;	1114	or return;
1086		1115
1087	my @paths;	1116	my @paths;
1088		1117
1089	for (@$files) {	1118	for (@$files) {
1090	utf8::decode $_;	1119	utf8::decode $_;
1091	next if /\.(?:pl\|pst)$/;	1120	next if /\.(?:pl\|pst)$/;
1092	next unless /^$PATH_SEP/o;	1121	next unless /^$PATH_SEP/o;
1093		1122
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1123	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1124	}
1096		1125
1097	\@paths	1126	\@paths
1098	}	1127	}
1099		1128
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1101		1130
1102	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1103		1132
1104	=cut	1133	=cut
1105		1134
1106	sub ext_reply($$$%) {	1135	sub ext_reply($$%) {
1107	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1108		1137
1109	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
		1139
		1140	$self->send ("ext " . cf::to_json \%msg);
		1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	delete $msg{msgid};
		1153	$msg{msgtype} = "event";
		1154	$msg{eventtype} = $type;
1110		1155
1111	$self->send ("ext " . cf::to_json \%msg);	1156	$self->send ("ext " . cf::to_json \%msg);
1112	}	1157	}
1113		1158
1114	package cf;	1159	package cf;
…		…
1294	my ($self) = @_;	1339	my ($self) = @_;
1295		1340
1296	utf8::encode (my $save = $self->save_path);	1341	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1343	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	1344	}
1305		1345
1306	sub load_header_from($) {	1346	sub load_header_from($) {
1307	my ($self, $path) = @_;	1347	my ($self, $path) = @_;
1308		1348
…		…
1596	return if $self->players;	1636	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#	1637	return if $self->isa ("ext::map_per_player");#d#
1598		1638
1599	warn "resetting map ", $self->path;#d#	1639	warn "resetting map ", $self->path;#d#
1600		1640
		1641	$self->in_memory (cf::MAP_SWAPPED);
		1642
		1643	# need to save uniques path
		1644	unless ($self->{deny_save}) {
		1645	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1646
		1647	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1648	if $uniq;
		1649	}
		1650
1601	delete $cf::MAP{$self->path};	1651	delete $cf::MAP{$self->path};
1602		1652
1603	$self->in_memory (cf::MAP_SWAPPED);
1604	$self->clear;	1653	$self->clear;
1605		1654
1606	$_->clear_links_to ($self) for values %cf::MAP;	1655	$_->clear_links_to ($self) for values %cf::MAP;
1607		1656
1608	$self->unlink_save;	1657	$self->unlink_save;
…		…
1798	$map->load;	1847	$map->load;
1799	$map->load_diag;	1848	$map->load_diag;
1800		1849
1801	return unless $self->contr->active;	1850	return unless $self->contr->active;
1802	$self->activate_recursive;	1851	$self->activate_recursive;
		1852
		1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803	$self->enter_map ($map, $x, $y);	1854	$self->enter_map ($map, $x, $y);
1804	}	1855	}
1805		1856
1806	cf::player->attach (	1857	cf::player->attach (
1807	on_logout => sub {	1858	on_logout => sub {
…		…
1820	# try to abort aborted map switching on player login :)	1871	# try to abort aborted map switching on player login :)
1821	# should happen only on crashes	1872	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {	1873	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;	1874	$pl->ob->enter_link;
1824	(async {	1875	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,	1876	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "	1877	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",	1878	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);	1879	cf::NDI_RED);
		1880	# we need this sleep as the login has a concurrent enter_exit running
		1881	# and this sleep increases chances of the player not ending up in scorn
1831	Coro::Timer::sleep 1;	1882	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;	1883	$pl->ob->leave_link;
1833	})->prio (2);	1884	})->prio (2);
1834	}	1885	}
1835	},	1886	},
…		…
1960		2011
1961	sub cf::client::send_drawinfo {	2012	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2013	my ($self, $text, $flags) = @_;
1963		2014
1964	utf8::encode $text;	2015	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2016	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
1966	}	2017	}
1967		2018
1968		2019
1969	=item $success = $client->query ($flags, "text", \&cb)	2020	=item $success = $client->query ($flags, "text", \&cb)
1970		2021
…		…
2001	# get handled first	2052	# get handled first
2002	my $queue = delete $ns->{query_queue}	2053	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	2054	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		2055
2005	(shift @$queue)->[1]->($msg);	2056	(shift @$queue)->[1]->($msg);
		2057	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		2058
2007	push @{ $ns->{query_queue} }, @$queue;	2059	push @{ $ns->{query_queue} }, @$queue;
2008		2060
2009	if (@{ $ns->{query_queue} } == @$queue) {	2061	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	2062	if (@$queue) {
…		…
2068		2120
2069	# here we export the classes and methods available to script code	2121	# here we export the classes and methods available to script code
2070		2122
2071	=pod	2123	=pod
2072		2124
2073	The following fucntions and emthods are available within a safe environment:	2125	The following functions and methods are available within a safe environment:
2074		2126
2075	cf::object contr pay_amount pay_player map	2127	cf::object contr pay_amount pay_player map
2076	cf::object::player player	2128	cf::object::player player
2077	cf::player peaceful	2129	cf::player peaceful
2078	cf::map trigger	2130	cf::map trigger
…		…
2171	The parameter C<$family> should best start with the name of the extension	2223	The parameter C<$family> should best start with the name of the extension
2172	using it, it should be unique.	2224	using it, it should be unique.
2173		2225
2174	=over 4	2226	=over 4
2175		2227
2176	=item $hashref = cf::db_get $family
2177
2178	Return a hashref for use by the extension C<$family>, which can be
2179	modified. After modifications, you have to call C<cf::db_dirty> or
2180	C<cf::db_sync>.
2181
2182	=item $value = cf::db_get $family => $key	2228	=item $value = cf::db_get $family => $key
2183		2229
2184	Returns a single value from the database	2230	Returns a single value from the database.
2185
2186	=item cf::db_put $family => $hashref
2187
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190		2231
2191	=item cf::db_put $family => $key => $value	2232	=item cf::db_put $family => $key => $value
2192		2233
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you	2234	Stores the given C<$value> in the family.
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203		2235
2204	=cut	2236	=cut
2205		2237
2206	our $DB;	2238	our $DB;
2207		2239
2208	{	2240	sub db_init {
		2241	unless ($DB) {
		2242	$DB = BDB::db_create $DB_ENV;
		2243
		2244	cf::sync_job {
		2245	eval {
		2246	$DB->set_flags (BDB::CHKSUM);
		2247
		2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2249	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
		2250	cf::cleanup "db_open(db): $!" if $!;
		2251	};
		2252	cf::cleanup "db_open(db): $@" if $@;
		2253	};
		2254
2209	my $path = cf::localdir . "/database.pst";	2255	my $path = cf::localdir . "/database.pst";
		2256	if (stat $path) {
		2257	cf::sync_job {
		2258	my $pst = Storable::retrieve $path;
2210		2259
2211	sub db_load() {	2260	cf::db_put (board => data => $pst->{board});
2212	$DB = stat $path ? Storable::retrieve $path : { };	2261	cf::db_put (guildrules => data => $pst->{guildrules});
2213	}	2262	cf::db_put (rent => balance => $pst->{rent}{balance});
		2263	BDB::db_env_txn_checkpoint $DB_ENV;
2214		2264
2215	my $pid;	2265	unlink $path;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}	2266	};
		2267	}
2225	}	2268	}
		2269	}
2226		2270
2227	my $dirty;
2228
2229	sub db_sync() {
2230	db_save if $dirty;
2231	undef $dirty;
2232	}
2233
2234	my $idle = Event->idle (
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {	2271	sub db_get($$) {
2249	@_ >= 2	2272	my $key = "$_[0]/$_[1]";
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} \|\|= { })
2252	}
2253		2273
		2274	cf::sync_job {
		2275	BDB::db_get $DB, undef, $key, my $data;
		2276
		2277	$! ? ()
		2278	: Compress::LZF::sthaw $data
		2279	}
		2280	}
		2281
2254	sub db_put($$;$) {	2282	sub db_put($$$) {
2255	if (@_ >= 3) {	2283	BDB::dbreq_pri 4;
2256	$DB->{$_[0]}{$_[1]} = $_[2];	2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2285	}
		2286
		2287	#############################################################################
		2288	# the server's init and main functions
		2289
		2290	sub load_facedata {
		2291	my $path = sprintf "%s/facedata", cf::datadir;
		2292
		2293	warn "loading facedata from $path\n";
		2294
		2295	my $faces;
		2296	0 < aio_load $path, $faces
		2297	or die "$path: $!";
		2298
		2299	Coro::cede;
		2300	$faces = Storable::thaw $faces;
		2301	Coro::cede;
		2302
		2303	my $meta = delete $faces->{""};
		2304	$meta->{version} == 1
		2305	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2306
		2307	while (my ($face, $info) = each %$faces) {
		2308	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
		2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2312	Coro::cede;
		2313	}
		2314
		2315	while (my ($face, $info) = each %$faces) {
		2316	next unless $info->{smooth};
		2317	my $idx = cf::face::find $face
		2318	or next;
		2319	if (my $smooth = cf::face::find $info->{smooth}) {
		2320	cf::face::set_smooth $idx, $smooth;
2257	} else {	2321	} else {
2258	$DB->{$_[0]} = $_[1];	2322	warn "smooth face '$info->{smooth}' not found for face '$face'";
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	2323	}
2268	);	2324	Coro::cede;
2269	}	2325	}
2270		2326
2271	#############################################################################	2327	1
2272	# the server's main()	2328	}
		2329
		2330	sub reload_resources {
		2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2332	or die "unable to load regions file\n";#d#
		2333	load_facedata
		2334	or die "unable to load facedata\n";#d#
		2335	}
		2336
		2337	sub init {
		2338	reload_resources;
		2339	}
2273		2340
2274	sub cfg_load {	2341	sub cfg_load {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	2342	open my $fh, "<:utf8", cf::confdir . "/config"
2276	or return;	2343	or return;
2277		2344
…		…
2300	Event::one_event;	2367	Event::one_event;
2301	})->prio (Coro::PRIO_MAX);	2368	})->prio (Coro::PRIO_MAX);
2302	};	2369	};
2303		2370
2304	cfg_load;	2371	cfg_load;
2305	db_load;	2372	db_init;
2306	load_extensions;	2373	load_extensions;
2307		2374
2308	$TICK_WATCHER->start;	2375	$TICK_WATCHER->start;
2309	Event::loop;	2376	Event::loop;
2310	}	2377	}
…		…
2349	my $map = $cf::MAP{$path} or next;	2416	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	2417	$map->valid or next;
2351	$map->save;	2418	$map->save;
2352	}	2419	}
2353	warn "end emergency map save\n";	2420	warn "end emergency map save\n";
		2421
		2422	warn "begin emergency database checkpoint\n";
		2423	BDB::db_env_txn_checkpoint $DB_ENV;
		2424	warn "end emergency database checkpoint\n";
2354	};	2425	};
2355		2426
2356	warn "leave emergency perl save\n";	2427	warn "leave emergency perl save\n";
		2428	}
		2429
		2430	sub post_cleanup {
		2431	my ($make_core) = @_;
		2432
		2433	warn Carp::longmess "post_cleanup backtrace"
		2434	if $make_core;
2357	}	2435	}
2358		2436
2359	sub reload() {	2437	sub reload() {
2360	# can/must only be called in main	2438	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	2439	if ($Coro::current != $Coro::main) {
…		…
2363	return;	2441	return;
2364	}	2442	}
2365		2443
2366	warn "reloading...";	2444	warn "reloading...";
2367		2445
2368	warn "cancelling server ticker";	2446	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		2447
		2448	cf::sync_job {
		2449	cf::write_runtime; # external watchdog should not bark
2371	cf::emergency_save;	2450	cf::emergency_save;
		2451	cf::write_runtime; # external watchdog should not bark
2372		2452
2373	eval {	2453	warn "syncing database to disk";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455
2374	# if anything goes wrong in here, we should simply crash as we already saved	2456	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378		2457
2379	warn "cancelling all WF_AUTOCANCEL watchers";	2458	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {	2459	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;	2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}	2461	}
2383		2462
2384	warn "flushing outstanding aio requests";	2463	warn "flushing outstanding aio requests";
2385	for (;;) {	2464	for (;;) {
		2465	BDB::flush;
2386	IO::AIO::flush;	2466	IO::AIO::flush;
2387	Coro::cede;	2467	Coro::cede;
2388	last unless IO::AIO::nreqs;	2468	last unless IO::AIO::nreqs \|\| BDB::nreqs;
2389	warn "iterate...";	2469	warn "iterate...";
2390	}	2470	}
		2471
		2472	++$RELOAD;
2391		2473
2392	warn "cancelling all extension coros";	2474	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	2475	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	2476	%EXT_CORO = ();
2395		2477
…		…
2448	require cf;	2530	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450		2532
2451	warn "loading config and database again";	2533	warn "loading config and database again";
2452	cf::cfg_load;	2534	cf::cfg_load;
2453	cf::db_load;
2454		2535
2455	warn "loading extensions";	2536	warn "loading extensions";
2456	cf::load_extensions;	2537	cf::load_extensions;
2457		2538
2458	warn "reattaching attachments to objects/players";	2539	warn "reattaching attachments to objects/players";
2459	_global_reattach;	2540	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	2541	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	2542	reattach $_ for values %MAP;
		2543	warn "reattaching attachments to players";
		2544	reattach $_ for values %PLAYER;
2462		2545
2463	warn "restarting server ticker";	2546	warn "loading reloadable resources";
		2547	reload_resources;
2464		2548
2465	$TICK_WATCHER->start;	2549	warn "leaving sync_job";
2466	};
2467		2550
2468	if ($@) {	2551	1
		2552	} or do {
2469	warn $@;	2553	warn $@;
2470	warn "error while reloading, exiting.";	2554	warn "error while reloading, exiting.";
2471	exit 1;	2555	exit 1;
2472	}	2556	};
2473		2557
2474	warn "reloaded";	2558	warn "reloaded";
2475	};	2559	};
2476		2560
2477	our $RELOAD_WATCHER; # used only during reload	2561	our $RELOAD_WATCHER; # used only during reload
…		…
2518		2602
2519	cf::server_tick; # one server iteration	2603	cf::server_tick; # one server iteration
2520	$RUNTIME += $TICK;	2604	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;	2605	$NEXT_TICK += $TICK;
2522		2606
		2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2608	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2609	Coro::async_pool {
		2610	write_runtime
		2611	or warn "ERROR: unable to write runtime file: $!";
		2612	};
		2613	}
		2614
2523	$WAIT_FOR_TICK->broadcast;	2615	$WAIT_FOR_TICK->broadcast;
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2525		2617
2526	Event::sweep;
2527	Coro::cede_notself;
2528
2529	# my $AFTER = Event::time;	2618	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#	2619	# warn $AFTER - $NOW;#d#
2531		2620
2532	# if we are delayed by four ticks or more, skip them all	2621	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
…		…
2535	$TICK_WATCHER->at ($NEXT_TICK);	2624	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;	2625	$TICK_WATCHER->start;
2537	},	2626	},
2538	);	2627	);
2539		2628
		2629	{
		2630	BDB::max_poll_time $TICK * 0.1;
		2631	$BDB_POLL_WATCHER = Event->io (
		2632	reentrant => 0,
		2633	fd => BDB::poll_fileno,
		2634	poll => 'r',
		2635	prio => 0,
		2636	data => WF_AUTOCANCEL,
		2637	cb => \&BDB::poll_cb,
		2638	);
		2639	BDB::min_parallel 8;
		2640
		2641	BDB::set_sync_prepare {
		2642	my $status;
		2643	my $current = $Coro::current;
		2644	(
		2645	sub {
		2646	$status = $!;
		2647	$current->ready; undef $current;
		2648	},
		2649	sub {
		2650	Coro::schedule while defined $current;
		2651	$! = $status;
		2652	},
		2653	)
		2654	};
		2655
		2656	unless ($DB_ENV) {
		2657	$DB_ENV = BDB::db_env_create;
		2658
		2659	cf::sync_job {
		2660	eval {
		2661	BDB::db_env_open
		2662	$DB_ENV,
		2663	$BDB_ENV_DIR,
		2664	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN
		2665	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,
		2666	0666;
		2667
		2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2669
		2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC, 1);
		2671	$DB_ENV->set_lk_detect;
		2672	};
		2673
		2674	cf::cleanup "db_env_open(db): $@" if $@;
		2675	};
		2676	}
		2677	}
		2678
		2679	{
		2680	IO::AIO::min_parallel 8;
		2681
		2682	undef $Coro::AIO::WATCHER;
2540	IO::AIO::max_poll_time $TICK * 0.1;	2683	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (	2684	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,	2685	reentrant => 0,
		2686	data => WF_AUTOCANCEL,
2545	fd => IO::AIO::poll_fileno,	2687	fd => IO::AIO::poll_fileno,
2546	poll => 'r',	2688	poll => 'r',
2547	prio => 6,	2689	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,	2690	cb => \&IO::AIO::poll_cb,
2550	);	2691	);
2551		2692	}
2552	$WRITE_RUNTIME_WATCHER = Event->timer (
2553	reentrant => 0,
2554	data => WF_AUTOCANCEL,
2555	after => 1,
2556	interval => 10,
2557	prio => 6, # keep it lowest so it acts like a watchdog
2558	cb => Coro::unblock_sub {
2559	write_runtime
2560	or warn "ERROR: unable to write runtime file: $!";
2561	},
2562	);
2563		2693
2564	END { cf::emergency_save }	2694	END { cf::emergency_save }
2565		2695
2566	1	2696	1
2567		2697

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs. Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC