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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC vs.
Revision 1.238 by root, Sat Apr 14 07:23:00 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;
		21	use Coro::Storable;
19		22
		23	use BDB ();
20	use Data::Dumper;	24	use Data::Dumper;
21	use Digest::MD5;	25	use Digest::MD5;
22	use Fcntl;	26	use Fcntl;
		27	use YAML::Syck ();
23	use IO::AIO 2.32 ();	28	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
26		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$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		39
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
33		42
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		44
		45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		46
36	our %COMMAND = ();	47	our %COMMAND = ();
37	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
38		49
39	our @EXTS = (); # list of extension package names	50	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	51	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	52	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	53	our %EXT_MAP = (); # pluggable maps
43		54
		55	our $RELOAD; # number of reloads so far
44	our @EVENT;	56	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
46		58
47	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6;
48	our $TICK_WATCHER;	60	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	61	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	63	our $NEXT_TICK;
52	our $NOW;	64	our $NOW;
53	our $USE_FSYNC; # use fsync to write maps - default off	65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
54		69
55	our %CFG;	70	our %CFG;
56		71
57	our $UPTIME; $UPTIME \|\|= time;	72	our $UPTIME; $UPTIME \|\|= time;
58	our $RUNTIME;	73	our $RUNTIME;
59		74
60	our %PLAYER; # all users	75	our %PLAYER; # all users
61	our %MAP; # all maps	76	our %MAP; # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	77	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
		79	our $BDB_ENV_DIR = cf::localdir . "/db";
64		80
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK \|\|= new Coro::Signal;	81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK \|\|= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE \|\|= new Coro::Signal;	82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE \|\|= new Coro::Signal;
67		83
68	# used to convert map paths into valid unix filenames by replacing / by ∕	84	# used to convert map paths into valid unix filenames by replacing / by ∕
…		…
81	mkdir cf::localdir;	97	mkdir cf::localdir;
82	mkdir cf::localdir . "/" . cf::playerdir;	98	mkdir cf::localdir . "/" . cf::playerdir;
83	mkdir cf::localdir . "/" . cf::tmpdir;	99	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;	100	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;	101	mkdir $RANDOM_MAPS;
		102	mkdir $BDB_ENV_DIR;
86		103
87	our $EMERGENCY_POSITION;	104	our $EMERGENCY_POSITION;
88		105
89	sub cf::map::normalise;	106	sub cf::map::normalise;
90		107
…		…
193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
194	$d	211	$d
195	} \|\| "[unable to dump $_[0]: '$@']";	212	} \|\| "[unable to dump $_[0]: '$@']";
196	}	213	}
197		214
198	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
199		216
200	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
201		218
202	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
203		220
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
212		222
213	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
214
215	=cut
216
217	sub to_json($) {
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
219	JSON::Syck::Dump $_[0]
220	}
221		224
222	=item cf::lock_wait $string	225	=item cf::lock_wait $string
223		226
224	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
225		228
…		…
264	sub freeze_mainloop {	267	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
266		269
267	my $guard = Coro::guard {	270	my $guard = Coro::guard {
268	$TICK_WATCHER->start;	271	$TICK_WATCHER->start;
269	$WRITE_RUNTIME_WATCHER->start;
270	};	272	};
271	$WRITE_RUNTIME_WATCHER->stop;
272	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
273	$guard	274	$guard
274	}	275	}
275		276
276	=item cf::async { BLOCK }	277	=item cf::async { BLOCK }
…		…
347		348
348	$coro	349	$coro
349	}	350	}
350		351
351	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
352	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
353		356
354	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
355	or return;	358	or return;
356		359
…		…
370		373
371	aio_rename "$runtime~", $runtime	374	aio_rename "$runtime~", $runtime
372	and return;	375	and return;
373		376
374	1	377	1
		378	}
		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	389	}
376		390
377	=back	391	=back
378		392
379	=cut	393	=cut
…		…
778	}	792	}
779	} else {	793	} else {
780	aio_unlink $filename;	794	aio_unlink $filename;
781	aio_unlink "$filename.pst";	795	aio_unlink "$filename.pst";
782	}	796	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	797	}
790	}	798	}
791		799
792	sub object_freezer_as_string {	800	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	801	my ($rdata, $objs) = @_;
…		…
799		807
800	sub object_thawer_load {	808	sub object_thawer_load {
801	my ($filename) = @_;	809	my ($filename) = @_;
802		810
803	my ($data, $av);	811	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		812
808	(aio_load $filename, $data) >= 0	813	(aio_load $filename, $data) >= 0
809	or return;	814	or return;
810		815
811	unless (aio_stat "$filename.pst") {	816	unless (aio_stat "$filename.pst") {
…		…
960	}	965	}
961		966
962	sub path($) {	967	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		969
965	(playerdir $login) . "/$login.pl"	970	(playerdir $login) . "/playerdata"
966	}	971	}
967		972
968	sub find_active($) {	973	sub find_active($) {
969	$cf::PLAYER{$_[0]}	974	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	975	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	988	my $login = $_[0];
984		989
985	my $guard = cf::lock_acquire "user_find:$login";	990	my $guard = cf::lock_acquire "user_find:$login";
986		991
987	$cf::PLAYER{$_[0]} \|\| do {	992	$cf::PLAYER{$_[0]} \|\| do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
988	my $pl = load_pl path $login	1000	my $pl = load_pl path $login
989	or return;	1001	or return;
990	$cf::PLAYER{$login} = $pl	1002	$cf::PLAYER{$login} = $pl
991	}	1003	}
992	}	1004	}
…		…
1029		1041
1030	=cut	1042	=cut
1031		1043
1032	sub quit_character {	1044	sub quit_character {
1033	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1034		1048
1035	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1050	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1051
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1059	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
1048	IO::AIO::aio_rmtree $temp;	1068	IO::AIO::aio_rmtree $temp;
		1069	}
		1070
		1071	=item $pl->kick
		1072
		1073	Kicks a player out of the game. This destroys the connection.
		1074
		1075	=cut
		1076
		1077	sub kick {
		1078	my ($pl, $kicker) = @_;
		1079
		1080	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1081	$pl->killer ("kicked");
		1082	$pl->ns->destroy;
1049	}	1083	}
1050		1084
1051	=item cf::player::list_logins	1085	=item cf::player::list_logins
1052		1086
1053	Returns am arrayref of all valid playernames in the system, can take a	1087	Returns am arrayref of all valid playernames in the system, can take a
…		…
1099	}	1133	}
1100		1134
1101	\@paths	1135	\@paths
1102	}	1136	}
1103		1137
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1105		1139
1106	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1107		1141
1108	=cut	1142	=cut
1109		1143
1110	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1111	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1112		1146
1113	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1114		1148
1115	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
1116	}	1150	}
1117		1151
1118	package cf;	1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	=head3 cf::region
		1165
		1166	=over 4
		1167
		1168	=cut
		1169
		1170	package cf::region;
		1171
		1172	=item cf::region::find_by_path $path
		1173
		1174	Tries to decuce the probable region for a map knowing only its path.
		1175
		1176	=cut
		1177
		1178	sub find_by_path($) {
		1179	my ($path) = @_;
		1180
		1181	my ($match, $specificity);
		1182
		1183	for my $region (list) {
		1184	if ($region->match && $path =~ $region->match) {
		1185	($match, $specificity) = ($region, $region->specificity)
		1186	if $region->specificity > $specificity;
		1187	}
		1188	}
		1189
		1190	$match
		1191	}
1119		1192
1120	=back	1193	=back
1121
1122		1194
1123	=head3 cf::map	1195	=head3 cf::map
1124		1196
1125	=over 4	1197	=over 4
1126		1198
…		…
1298	my ($self) = @_;	1370	my ($self) = @_;
1299		1371
1300	utf8::encode (my $save = $self->save_path);	1372	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1374	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	}	1375	}
1309		1376
1310	sub load_header_from($) {	1377	sub load_header_from($) {
1311	my ($self, $path) = @_;	1378	my ($self, $path) = @_;
1312		1379
…		…
1361	} else {	1428	} else {
1362	$self->load_header_orig	1429	$self->load_header_orig
1363	or return;	1430	or return;
1364	$self->prepare_orig;	1431	$self->prepare_orig;
1365	}	1432	}
		1433
		1434	$self->default_region (cf::region::find_by_path $self->{path})
		1435	unless $self->default_region;
1366		1436
1367	1	1437	1
1368	}	1438	}
1369		1439
1370	sub find;	1440	sub find;
…		…
1600	return if $self->players;	1670	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#	1671	return if $self->isa ("ext::map_per_player");#d#
1602		1672
1603	warn "resetting map ", $self->path;#d#	1673	warn "resetting map ", $self->path;#d#
1604		1674
		1675	$self->in_memory (cf::MAP_SWAPPED);
		1676
		1677	# need to save uniques path
		1678	unless ($self->{deny_save}) {
		1679	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1680
		1681	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1682	if $uniq;
		1683	}
		1684
1605	delete $cf::MAP{$self->path};	1685	delete $cf::MAP{$self->path};
1606		1686
1607	$self->in_memory (cf::MAP_SWAPPED);
1608	$self->clear;	1687	$self->clear;
1609		1688
1610	$_->clear_links_to ($self) for values %cf::MAP;	1689	$_->clear_links_to ($self) for values %cf::MAP;
1611		1690
1612	$self->unlink_save;	1691	$self->unlink_save;
…		…
1802	$map->load;	1881	$map->load;
1803	$map->load_diag;	1882	$map->load_diag;
1804		1883
1805	return unless $self->contr->active;	1884	return unless $self->contr->active;
1806	$self->activate_recursive;	1885	$self->activate_recursive;
		1886
		1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	1888	$self->enter_map ($map, $x, $y);
1808	}	1889	}
1809		1890
1810	cf::player->attach (	1891	cf::player->attach (
1811	on_logout => sub {	1892	on_logout => sub {
…		…
1824	# try to abort aborted map switching on player login :)	1905	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes	1906	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {	1907	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;	1908	$pl->ob->enter_link;
1828	(async {	1909	(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,	1910	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "	1911	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",	1912	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);	1913	cf::NDI_RED);
		1914	# we need this sleep as the login has a concurrent enter_exit running
		1915	# and this sleep increases chances of the player not ending up in scorn
1835	Coro::Timer::sleep 1;	1916	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;	1917	$pl->ob->leave_link;
1837	})->prio (2);	1918	})->prio (2);
1838	}	1919	}
1839	},	1920	},
…		…
1922		2003
1923	return unless $self->type == cf::PLAYER;	2004	return unless $self->type == cf::PLAYER;
1924		2005
1925	if ($exit->slaying eq "/!") {	2006	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2007	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2008	# the problem is that $exit might not survive long enough
		2009	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2010	cf::sync_job { prepare_random_map $exit };
1928	}	2011	}
1929		2012
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2013	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2014	my $hp = $exit->stats->hp;
…		…
1939	$self->goto ($slaying, $hp, $sp);	2022	$self->goto ($slaying, $hp, $sp);
1940		2023
1941	1;	2024	1;
1942	}) {	2025	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2026	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2027	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2028	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE \| cf::NDI_RED);	2029	cf::NDI_UNIQUE \| cf::NDI_RED);
1947		2030
1948	warn "ERROR in enter_exit: $@";	2031	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2032	$self->leave_link;
1950	}	2033	}
1951	})->prio (1);	2034	})->prio (1);
…		…
1964		2047
1965	sub cf::client::send_drawinfo {	2048	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2049	my ($self, $text, $flags) = @_;
1967		2050
1968	utf8::encode $text;	2051	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2052	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
1970	}	2053	}
1971		2054
		2055	=item $client->ext_event ($type, %msg)
		2056
		2057	Sends an exti event to the client.
		2058
		2059	=cut
		2060
		2061	sub cf::client::ext_event($$%) {
		2062	my ($self, $type, %msg) = @_;
		2063
		2064	$msg{msgtype} = "event_$type";
		2065	$self->send_packet ("ext " . cf::to_json \%msg);
		2066	}
1972		2067
1973	=item $success = $client->query ($flags, "text", \&cb)	2068	=item $success = $client->query ($flags, "text", \&cb)
1974		2069
1975	Queues a query to the client, calling the given callback with	2070	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>,	2071	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2073		2168
2074	# here we export the classes and methods available to script code	2169	# here we export the classes and methods available to script code
2075		2170
2076	=pod	2171	=pod
2077		2172
2078	The following fucntions and emthods are available within a safe environment:	2173	The following functions and methods are available within a safe environment:
2079		2174
2080	cf::object contr pay_amount pay_player map	2175	cf::object contr pay_amount pay_player map
2081	cf::object::player player	2176	cf::object::player player
2082	cf::player peaceful	2177	cf::player peaceful
2083	cf::map trigger	2178	cf::map trigger
…		…
2176	The parameter C<$family> should best start with the name of the extension	2271	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.	2272	using it, it should be unique.
2178		2273
2179	=over 4	2274	=over 4
2180		2275
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	2276	=item $value = cf::db_get $family => $key
2188		2277
2189	Returns a single value from the database	2278	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		2279
2196	=item cf::db_put $family => $key => $value	2280	=item cf::db_put $family => $key => $value
2197		2281
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you	2282	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		2283
2209	=cut	2284	=cut
2210		2285
2211	our $DB;	2286	our $DB;
2212		2287
2213	{	2288	sub db_init {
		2289	unless ($DB) {
		2290	$DB = BDB::db_create $DB_ENV;
		2291
		2292	cf::sync_job {
		2293	eval {
		2294	$DB->set_flags (BDB::CHKSUM);
		2295
		2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2297	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
		2298	cf::cleanup "db_open(db): $!" if $!;
		2299	};
		2300	cf::cleanup "db_open(db): $@" if $@;
		2301	};
		2302
2214	my $path = cf::localdir . "/database.pst";	2303	my $path = cf::localdir . "/database.pst";
		2304	if (stat $path) {
		2305	cf::sync_job {
		2306	my $pst = Storable::retrieve $path;
2215		2307
2216	sub db_load() {	2308	cf::db_put (board => data => $pst->{board});
2217	$DB = stat $path ? Storable::retrieve $path : { };	2309	cf::db_put (guildrules => data => $pst->{guildrules});
2218	}	2310	cf::db_put (rent => balance => $pst->{rent}{balance});
		2311	BDB::db_env_txn_checkpoint $DB_ENV;
2219		2312
2220	my $pid;	2313	unlink $path;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}	2314	};
2230	}
2231
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	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} \|\|= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},	2315	}
2273	);	2316	}
		2317	}
		2318
		2319	sub db_get($$) {
		2320	my $key = "$_[0]/$_[1]";
		2321
		2322	cf::sync_job {
		2323	BDB::db_get $DB, undef, $key, my $data;
		2324
		2325	$! ? ()
		2326	: Compress::LZF::sthaw $data
		2327	}
		2328	}
		2329
		2330	sub db_put($$$) {
		2331	BDB::dbreq_pri 4;
		2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2274	}	2333	}
2275		2334
2276	#############################################################################	2335	#############################################################################
2277	# the server's init and main functions	2336	# the server's init and main functions
2278		2337
		2338	sub load_facedata {
		2339	my $path = sprintf "%s/facedata", cf::datadir;
		2340
		2341	warn "loading facedata from $path\n";
		2342
		2343	my $facedata;
		2344	0 < aio_load $path, $facedata
		2345	or die "$path: $!";
		2346
		2347	$facedata = Coro::Storable::thaw $facedata;
		2348
		2349	$facedata->{version} == 2
		2350	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2351
		2352	{
		2353	my $faces = $facedata->{faceinfo};
		2354
		2355	while (my ($face, $info) = each %$faces) {
		2356	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
		2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2360	Coro::cede;
		2361	}
		2362
		2363	while (my ($face, $info) = each %$faces) {
		2364	next unless $info->{smooth};
		2365	my $idx = cf::face::find $face
		2366	or next;
		2367	if (my $smooth = cf::face::find $info->{smooth}) {
		2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2369	} else {
		2370	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2371	}
		2372	Coro::cede;
		2373	}
		2374	}
		2375
		2376	{
		2377	my $anims = $facedata->{animinfo};
		2378
		2379	while (my ($anim, $info) = each %$anims) {
		2380	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2381	Coro::cede;
		2382	}
		2383
		2384	cf::anim::invalidate_all; # d'oh
		2385	}
		2386
		2387	1
		2388	}
		2389
2279	sub load_resources {	2390	sub reload_resources {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2281	or die "unable to load regions file\n";#d#	2392	or die "unable to load regions file\n";#d#
		2393	load_facedata
		2394	or die "unable to load facedata\n";#d#
		2395	}
		2396
		2397	sub init {
		2398	reload_resources;
2282	}	2399	}
2283		2400
2284	sub cfg_load {	2401	sub cfg_load {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	2402	open my $fh, "<:utf8", cf::confdir . "/config"
2286	or return;	2403	or return;
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2415	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	2416	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	2417	};
2301	warn $@ if $@;	2418	warn $@ if $@;
2302	}	2419	}
2303	}
2304
2305	sub init {
2306	load_resources;
2307	}	2420	}
2308		2421
2309	sub main {	2422	sub main {
2310	# we must not ever block the main coroutine	2423	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	2424	local $Coro::idle = sub {
…		…
2314	Event::one_event;	2427	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	2428	})->prio (Coro::PRIO_MAX);
2316	};	2429	};
2317		2430
2318	cfg_load;	2431	cfg_load;
2319	db_load;	2432	db_init;
2320	load_extensions;	2433	load_extensions;
2321		2434
2322	$TICK_WATCHER->start;	2435	$TICK_WATCHER->start;
2323	Event::loop;	2436	Event::loop;
2324	}	2437	}
…		…
2363	my $map = $cf::MAP{$path} or next;	2476	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	2477	$map->valid or next;
2365	$map->save;	2478	$map->save;
2366	}	2479	}
2367	warn "end emergency map save\n";	2480	warn "end emergency map save\n";
		2481
		2482	warn "begin emergency database checkpoint\n";
		2483	BDB::db_env_txn_checkpoint $DB_ENV;
		2484	warn "end emergency database checkpoint\n";
2368	};	2485	};
2369		2486
2370	warn "leave emergency perl save\n";	2487	warn "leave emergency perl save\n";
		2488	}
		2489
		2490	sub post_cleanup {
		2491	my ($make_core) = @_;
		2492
		2493	warn Carp::longmess "post_cleanup backtrace"
		2494	if $make_core;
2371	}	2495	}
2372		2496
2373	sub reload() {	2497	sub reload() {
2374	# can/must only be called in main	2498	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	2499	if ($Coro::current != $Coro::main) {
…		…
2377	return;	2501	return;
2378	}	2502	}
2379		2503
2380	warn "reloading...";	2504	warn "reloading...";
2381		2505
2382	warn "cancelling server ticker";	2506	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		2507
		2508	cf::sync_job {
		2509	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	2510	cf::emergency_save;
		2511	cf::write_runtime; # external watchdog should not bark
2386		2512
2387	eval {	2513	warn "syncing database to disk";
		2514	BDB::db_env_txn_checkpoint $DB_ENV;
		2515
2388	# if anything goes wrong in here, we should simply crash as we already saved	2516	# 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		2517
2393	warn "cancelling all WF_AUTOCANCEL watchers";	2518	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	2519	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	2521	}
2397		2522
2398	warn "flushing outstanding aio requests";	2523	warn "flushing outstanding aio requests";
2399	for (;;) {	2524	for (;;) {
		2525	BDB::flush;
2400	IO::AIO::flush;	2526	IO::AIO::flush;
2401	Coro::cede;	2527	Coro::cede;
2402	last unless IO::AIO::nreqs;	2528	last unless IO::AIO::nreqs \|\| BDB::nreqs;
2403	warn "iterate...";	2529	warn "iterate...";
2404	}	2530	}
		2531
		2532	++$RELOAD;
2405		2533
2406	warn "cancelling all extension coros";	2534	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	2535	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	2536	%EXT_CORO = ();
2409		2537
…		…
2462	require cf;	2590	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		2592
2465	warn "loading config and database again";	2593	warn "loading config and database again";
2466	cf::cfg_load;	2594	cf::cfg_load;
2467	cf::db_load;
2468		2595
2469	warn "loading extensions";	2596	warn "loading extensions";
2470	cf::load_extensions;	2597	cf::load_extensions;
2471		2598
2472	warn "reattaching attachments to objects/players";	2599	warn "reattaching attachments to objects/players";
2473	_global_reattach;	2600	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	2601	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	2602	reattach $_ for values %MAP;
		2603	warn "reattaching attachments to players";
		2604	reattach $_ for values %PLAYER;
2476		2605
2477	warn "loading reloadable resources";	2606	warn "loading reloadable resources";
2478	load_resources;	2607	reload_resources;
2479		2608
2480	warn "restarting server ticker";	2609	warn "leaving sync_job";
2481		2610
2482	$TICK_WATCHER->start;	2611	1
2483	};	2612	} or do {
2484
2485	if ($@) {
2486	warn $@;	2613	warn $@;
2487	warn "error while reloading, exiting.";	2614	warn "error while reloading, exiting.";
2488	exit 1;	2615	exit 1;
2489	}	2616	};
2490		2617
2491	warn "reloaded";	2618	warn "reloaded";
2492	};	2619	};
2493		2620
2494	our $RELOAD_WATCHER; # used only during reload	2621	our $RELOAD_WATCHER; # used only during reload
…		…
2535		2662
2536	cf::server_tick; # one server iteration	2663	cf::server_tick; # one server iteration
2537	$RUNTIME += $TICK;	2664	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	2665	$NEXT_TICK += $TICK;
2539		2666
		2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2668	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2669	Coro::async_pool {
		2670	write_runtime
		2671	or warn "ERROR: unable to write runtime file: $!";
		2672	};
		2673	}
		2674
2540	$WAIT_FOR_TICK->broadcast;	2675	$WAIT_FOR_TICK->broadcast;
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2542		2677
2543	Event::sweep;
2544	Coro::cede_notself;
2545
2546	# my $AFTER = Event::time;	2678	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#	2679	# warn $AFTER - $NOW;#d#
2548		2680
2549	# if we are delayed by four ticks or more, skip them all	2681	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
…		…
2552	$TICK_WATCHER->at ($NEXT_TICK);	2684	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;	2685	$TICK_WATCHER->start;
2554	},	2686	},
2555	);	2687	);
2556		2688
		2689	{
		2690	BDB::max_poll_time $TICK * 0.1;
		2691	$BDB_POLL_WATCHER = Event->io (
		2692	reentrant => 0,
		2693	fd => BDB::poll_fileno,
		2694	poll => 'r',
		2695	prio => 0,
		2696	data => WF_AUTOCANCEL,
		2697	cb => \&BDB::poll_cb,
		2698	);
		2699	BDB::min_parallel 8;
		2700
		2701	BDB::set_sync_prepare {
		2702	my $status;
		2703	my $current = $Coro::current;
		2704	(
		2705	sub {
		2706	$status = $!;
		2707	$current->ready; undef $current;
		2708	},
		2709	sub {
		2710	Coro::schedule while defined $current;
		2711	$! = $status;
		2712	},
		2713	)
		2714	};
		2715
		2716	unless ($DB_ENV) {
		2717	$DB_ENV = BDB::db_env_create;
		2718
		2719	cf::sync_job {
		2720	eval {
		2721	BDB::db_env_open
		2722	$DB_ENV,
		2723	$BDB_ENV_DIR,
		2724	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN
		2725	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,
		2726	0666;
		2727
		2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2729
		2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC, 1);
		2731	$DB_ENV->set_lk_detect;
		2732	};
		2733
		2734	cf::cleanup "db_env_open(db): $@" if $@;
		2735	};
		2736	}
		2737	}
		2738
		2739	{
		2740	IO::AIO::min_parallel 8;
		2741
		2742	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	2743	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	2744	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	2745	reentrant => 0,
		2746	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	2747	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	2748	poll => 'r',
2564	prio => 6,	2749	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	2750	cb => \&IO::AIO::poll_cb,
2567	);	2751	);
2568		2752	}
2569	$WRITE_RUNTIME_WATCHER = Event->timer (
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	after => 1,
2573	interval => 10,
2574	prio => 6, # keep it lowest so it acts like a watchdog
2575	cb => Coro::unblock_sub {
2576	write_runtime
2577	or warn "ERROR: unable to write runtime file: $!";
2578	},
2579	);
2580		2753
2581	END { cf::emergency_save }	2754	END { cf::emergency_save }
2582		2755
2583	1	2756	1
2584		2757

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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 1.238 by root, Sat Apr 14 07:23:00 2007 UTC

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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 1.238 by root, Sat Apr 14 07:23:00 2007 UTC