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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.205 by root, Mon Feb 5 18:29:20 2007 UTC vs.
Revision 1.232 by root, Wed Apr 4 02:07:19 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;
53	our $USE_FSYNC = 1; # use fsync to write maps - default off	63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
54		67
55	our %CFG;	68	our %CFG;
56		69
57	our $UPTIME; $UPTIME \|\|= time;	70	our $UPTIME; $UPTIME \|\|= time;
58	our $RUNTIME;	71	our $RUNTIME;
59		72
60	our %PLAYER; # all users	73	our %PLAYER; # all users
61	our %MAP; # all maps	74	our %MAP; # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	75	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
		77	our $BDB_ENV_DIR = cf::localdir . "/db";
64		78
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK \|\|= new Coro::Signal;	79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK \|\|= new Coro::Signal;
66	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;
67		81
68	# 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 ∕
…		…
81	mkdir cf::localdir;	95	mkdir cf::localdir;
82	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
83	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
86		101
87	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
88		103
89	sub cf::map::normalise;	104	sub cf::map::normalise;
90		105
…		…
193	$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;
194	$d	209	$d
195	} \|\| "[unable to dump $_[0]: '$@']";	210	} \|\| "[unable to dump $_[0]: '$@']";
196	}	211	}
197		212
198	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
199		214
200	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
201		216
202	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
203		218
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
212		220
213	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
214
215	=cut
216
217	sub to_json($) {
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
219	JSON::Syck::Dump $_[0]
220	}
221		222
222	=item cf::lock_wait $string	223	=item cf::lock_wait $string
223		224
224	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
225		226
…		…
264	sub freeze_mainloop {	265	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
266		267
267	my $guard = Coro::guard {	268	my $guard = Coro::guard {
268	$TICK_WATCHER->start;	269	$TICK_WATCHER->start;
269	$WRITE_RUNTIME_WATCHER->start;
270	};	270	};
271	$WRITE_RUNTIME_WATCHER->stop;
272	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
273	$guard	272	$guard
274	}	273	}
275		274
276	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
347		346
348	$coro	347	$coro
349	}	348	}
350		349
351	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
352	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
353		354
354	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
355	or return;	356	or return;
356		357
…		…
370		371
371	aio_rename "$runtime~", $runtime	372	aio_rename "$runtime~", $runtime
372	and return;	373	and return;
373		374
374	1	375	1
		376	}
		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	387	}
376		388
377	=back	389	=back
378		390
379	=cut	391	=cut
…		…
778	}	790	}
779	} else {	791	} else {
780	aio_unlink $filename;	792	aio_unlink $filename;
781	aio_unlink "$filename.pst";	793	aio_unlink "$filename.pst";
782	}	794	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	795	}
790	}	796	}
791		797
792	sub object_freezer_as_string {	798	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	799	my ($rdata, $objs) = @_;
…		…
799		805
800	sub object_thawer_load {	806	sub object_thawer_load {
801	my ($filename) = @_;	807	my ($filename) = @_;
802		808
803	my ($data, $av);	809	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		810
808	(aio_load $filename, $data) >= 0	811	(aio_load $filename, $data) >= 0
809	or return;	812	or return;
810		813
811	unless (aio_stat "$filename.pst") {	814	unless (aio_stat "$filename.pst") {
…		…
1030	=cut	1033	=cut
1031		1034
1032	sub quit_character {	1035	sub quit_character {
1033	my ($pl) = @_;	1036	my ($pl) = @_;
1034		1037
		1038	my $name = $pl->ob->name;
		1039
1035	$pl->{deny_save} = 1;	1040	$pl->{deny_save} = 1;
1036	$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
1037		1042
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1039	$pl->deactivate;	1044	$pl->deactivate;
…		…
1043	my $path = playerdir $pl;	1048	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1049	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1050	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1051	delete $cf::PLAYER{$pl->ob->name};
1047	$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
1048	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;
1049	}	1074	}
1050		1075
1051	=item cf::player::list_logins	1076	=item cf::player::list_logins
1052		1077
1053	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
…		…
1099	}	1124	}
1100		1125
1101	\@paths	1126	\@paths
1102	}	1127	}
1103		1128
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1105		1130
1106	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1107		1132
1108	=cut	1133	=cut
1109		1134
1110	sub ext_reply($$$%) {	1135	sub ext_reply($$%) {
1111	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1112		1137
1113	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1114		1139
1115	$self->send ("ext " . cf::to_json \%msg);	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	$self->ns->ext_event ($type, %msg);
1116	}	1153	}
1117		1154
1118	package cf;	1155	package cf;
1119		1156
1120	=back	1157	=back
…		…
1298	my ($self) = @_;	1335	my ($self) = @_;
1299		1336
1300	utf8::encode (my $save = $self->save_path);	1337	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1339	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	}	1340	}
1309		1341
1310	sub load_header_from($) {	1342	sub load_header_from($) {
1311	my ($self, $path) = @_;	1343	my ($self, $path) = @_;
1312		1344
…		…
1600	return if $self->players;	1632	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#	1633	return if $self->isa ("ext::map_per_player");#d#
1602		1634
1603	warn "resetting map ", $self->path;#d#	1635	warn "resetting map ", $self->path;#d#
1604		1636
		1637	$self->in_memory (cf::MAP_SWAPPED);
		1638
		1639	# need to save uniques path
		1640	unless ($self->{deny_save}) {
		1641	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1642
		1643	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1644	if $uniq;
		1645	}
		1646
1605	delete $cf::MAP{$self->path};	1647	delete $cf::MAP{$self->path};
1606		1648
1607	$self->in_memory (cf::MAP_SWAPPED);
1608	$self->clear;	1649	$self->clear;
1609		1650
1610	$_->clear_links_to ($self) for values %cf::MAP;	1651	$_->clear_links_to ($self) for values %cf::MAP;
1611		1652
1612	$self->unlink_save;	1653	$self->unlink_save;
…		…
1802	$map->load;	1843	$map->load;
1803	$map->load_diag;	1844	$map->load_diag;
1804		1845
1805	return unless $self->contr->active;	1846	return unless $self->contr->active;
1806	$self->activate_recursive;	1847	$self->activate_recursive;
		1848
		1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	1850	$self->enter_map ($map, $x, $y);
1808	}	1851	}
1809		1852
1810	cf::player->attach (	1853	cf::player->attach (
1811	on_logout => sub {	1854	on_logout => sub {
…		…
1824	# try to abort aborted map switching on player login :)	1867	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes	1868	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {	1869	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;	1870	$pl->ob->enter_link;
1828	(async {	1871	(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,	1872	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "	1873	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",	1874	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);	1875	cf::NDI_RED);
		1876	# we need this sleep as the login has a concurrent enter_exit running
		1877	# and this sleep increases chances of the player not ending up in scorn
1835	Coro::Timer::sleep 1;	1878	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;	1879	$pl->ob->leave_link;
1837	})->prio (2);	1880	})->prio (2);
1838	}	1881	}
1839	},	1882	},
…		…
1964		2007
1965	sub cf::client::send_drawinfo {	2008	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2009	my ($self, $text, $flags) = @_;
1967		2010
1968	utf8::encode $text;	2011	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2012	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
1970	}	2013	}
1971		2014
		2015	=item $client->ext_event ($type, %msg)
		2016
		2017	Sends an exti event to the client.
		2018
		2019	=cut
		2020
		2021	sub cf::client::ext_event($$%) {
		2022	my ($self, $type, %msg) = @_;
		2023
		2024	$msg{msgtype} = "event_$type";
		2025	$self->send_packet ("ext " . cf::to_json \%msg);
		2026	}
1972		2027
1973	=item $success = $client->query ($flags, "text", \&cb)	2028	=item $success = $client->query ($flags, "text", \&cb)
1974		2029
1975	Queues a query to the client, calling the given callback with	2030	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>,	2031	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2073		2128
2074	# here we export the classes and methods available to script code	2129	# here we export the classes and methods available to script code
2075		2130
2076	=pod	2131	=pod
2077		2132
2078	The following fucntions and emthods are available within a safe environment:	2133	The following functions and methods are available within a safe environment:
2079		2134
2080	cf::object contr pay_amount pay_player map	2135	cf::object contr pay_amount pay_player map
2081	cf::object::player player	2136	cf::object::player player
2082	cf::player peaceful	2137	cf::player peaceful
2083	cf::map trigger	2138	cf::map trigger
…		…
2176	The parameter C<$family> should best start with the name of the extension	2231	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.	2232	using it, it should be unique.
2178		2233
2179	=over 4	2234	=over 4
2180		2235
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	2236	=item $value = cf::db_get $family => $key
2188		2237
2189	Returns a single value from the database	2238	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		2239
2196	=item cf::db_put $family => $key => $value	2240	=item cf::db_put $family => $key => $value
2197		2241
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you	2242	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		2243
2209	=cut	2244	=cut
2210		2245
2211	our $DB;	2246	our $DB;
2212		2247
2213	{	2248	sub db_init {
		2249	unless ($DB) {
		2250	$DB = BDB::db_create $DB_ENV;
		2251
		2252	cf::sync_job {
		2253	eval {
		2254	$DB->set_flags (BDB::CHKSUM);
		2255
		2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2257	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
		2258	cf::cleanup "db_open(db): $!" if $!;
		2259	};
		2260	cf::cleanup "db_open(db): $@" if $@;
		2261	};
		2262
2214	my $path = cf::localdir . "/database.pst";	2263	my $path = cf::localdir . "/database.pst";
		2264	if (stat $path) {
		2265	cf::sync_job {
		2266	my $pst = Storable::retrieve $path;
2215		2267
2216	sub db_load() {	2268	cf::db_put (board => data => $pst->{board});
2217	$DB = stat $path ? Storable::retrieve $path : { };	2269	cf::db_put (guildrules => data => $pst->{guildrules});
2218	}	2270	cf::db_put (rent => balance => $pst->{rent}{balance});
		2271	BDB::db_env_txn_checkpoint $DB_ENV;
2219		2272
2220	my $pid;	2273	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	}	2274	};
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($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},	2275	}
2273	);	2276	}
		2277	}
		2278
		2279	sub db_get($$) {
		2280	my $key = "$_[0]/$_[1]";
		2281
		2282	cf::sync_job {
		2283	BDB::db_get $DB, undef, $key, my $data;
		2284
		2285	$! ? ()
		2286	: Compress::LZF::sthaw $data
		2287	}
		2288	}
		2289
		2290	sub db_put($$$) {
		2291	BDB::dbreq_pri 4;
		2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2274	}	2293	}
2275		2294
2276	#############################################################################	2295	#############################################################################
2277	# the server's init and main functions	2296	# the server's init and main functions
2278		2297
		2298	sub load_facedata {
		2299	my $path = sprintf "%s/facedata", cf::datadir;
		2300
		2301	warn "loading facedata from $path\n";
		2302
		2303	my $faces;
		2304	0 < aio_load $path, $faces
		2305	or die "$path: $!";
		2306
		2307	Coro::cede;
		2308	$faces = Storable::thaw $faces;
		2309	Coro::cede;
		2310
		2311	my $meta = delete $faces->{""};
		2312	$meta->{version} == 1
		2313	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2314
		2315	while (my ($face, $info) = each %$faces) {
		2316	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
		2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2320	Coro::cede;
		2321	}
		2322
		2323	while (my ($face, $info) = each %$faces) {
		2324	next unless $info->{smooth};
		2325	my $idx = cf::face::find $face
		2326	or next;
		2327	if (my $smooth = cf::face::find $info->{smooth}) {
		2328	cf::face::set_smooth $idx, $smooth;
		2329	} else {
		2330	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2331	}
		2332	Coro::cede;
		2333	}
		2334
		2335	1
		2336	}
		2337
2279	sub load_resources {	2338	sub reload_resources {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2281	or die "unable to load regions file\n";#d#	2340	or die "unable to load regions file\n";#d#
		2341	load_facedata
		2342	or die "unable to load facedata\n";#d#
		2343	}
		2344
		2345	sub init {
		2346	reload_resources;
2282	}	2347	}
2283		2348
2284	sub cfg_load {	2349	sub cfg_load {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	2350	open my $fh, "<:utf8", cf::confdir . "/config"
2286	or return;	2351	or return;
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2363	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	2364	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	2365	};
2301	warn $@ if $@;	2366	warn $@ if $@;
2302	}	2367	}
2303	}
2304
2305	sub init {
2306	load_resources;
2307	}	2368	}
2308		2369
2309	sub main {	2370	sub main {
2310	# we must not ever block the main coroutine	2371	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	2372	local $Coro::idle = sub {
…		…
2314	Event::one_event;	2375	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	2376	})->prio (Coro::PRIO_MAX);
2316	};	2377	};
2317		2378
2318	cfg_load;	2379	cfg_load;
2319	db_load;	2380	db_init;
2320	load_extensions;	2381	load_extensions;
2321		2382
2322	$TICK_WATCHER->start;	2383	$TICK_WATCHER->start;
2323	Event::loop;	2384	Event::loop;
2324	}	2385	}
…		…
2363	my $map = $cf::MAP{$path} or next;	2424	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	2425	$map->valid or next;
2365	$map->save;	2426	$map->save;
2366	}	2427	}
2367	warn "end emergency map save\n";	2428	warn "end emergency map save\n";
		2429
		2430	warn "begin emergency database checkpoint\n";
		2431	BDB::db_env_txn_checkpoint $DB_ENV;
		2432	warn "end emergency database checkpoint\n";
2368	};	2433	};
2369		2434
2370	warn "leave emergency perl save\n";	2435	warn "leave emergency perl save\n";
		2436	}
		2437
		2438	sub post_cleanup {
		2439	my ($make_core) = @_;
		2440
		2441	warn Carp::longmess "post_cleanup backtrace"
		2442	if $make_core;
2371	}	2443	}
2372		2444
2373	sub reload() {	2445	sub reload() {
2374	# can/must only be called in main	2446	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	2447	if ($Coro::current != $Coro::main) {
…		…
2377	return;	2449	return;
2378	}	2450	}
2379		2451
2380	warn "reloading...";	2452	warn "reloading...";
2381		2453
2382	warn "cancelling server ticker";	2454	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		2455
		2456	cf::sync_job {
		2457	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	2458	cf::emergency_save;
		2459	cf::write_runtime; # external watchdog should not bark
2386		2460
2387	eval {	2461	warn "syncing database to disk";
		2462	BDB::db_env_txn_checkpoint $DB_ENV;
		2463
2388	# if anything goes wrong in here, we should simply crash as we already saved	2464	# 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		2465
2393	warn "cancelling all WF_AUTOCANCEL watchers";	2466	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	2467	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	2468	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	2469	}
2397		2470
2398	warn "flushing outstanding aio requests";	2471	warn "flushing outstanding aio requests";
2399	for (;;) {	2472	for (;;) {
		2473	BDB::flush;
2400	IO::AIO::flush;	2474	IO::AIO::flush;
2401	Coro::cede;	2475	Coro::cede;
2402	last unless IO::AIO::nreqs;	2476	last unless IO::AIO::nreqs \|\| BDB::nreqs;
2403	warn "iterate...";	2477	warn "iterate...";
2404	}	2478	}
		2479
		2480	++$RELOAD;
2405		2481
2406	warn "cancelling all extension coros";	2482	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	2483	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	2484	%EXT_CORO = ();
2409		2485
…		…
2462	require cf;	2538	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		2540
2465	warn "loading config and database again";	2541	warn "loading config and database again";
2466	cf::cfg_load;	2542	cf::cfg_load;
2467	cf::db_load;
2468		2543
2469	warn "loading extensions";	2544	warn "loading extensions";
2470	cf::load_extensions;	2545	cf::load_extensions;
2471		2546
2472	warn "reattaching attachments to objects/players";	2547	warn "reattaching attachments to objects/players";
2473	_global_reattach;	2548	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	2549	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	2550	reattach $_ for values %MAP;
		2551	warn "reattaching attachments to players";
		2552	reattach $_ for values %PLAYER;
2476		2553
2477	warn "loading reloadable resources";	2554	warn "loading reloadable resources";
2478	load_resources;	2555	reload_resources;
2479		2556
2480	warn "restarting server ticker";	2557	warn "leaving sync_job";
2481		2558
2482	$TICK_WATCHER->start;	2559	1
2483	};	2560	} or do {
2484
2485	if ($@) {
2486	warn $@;	2561	warn $@;
2487	warn "error while reloading, exiting.";	2562	warn "error while reloading, exiting.";
2488	exit 1;	2563	exit 1;
2489	}	2564	};
2490		2565
2491	warn "reloaded";	2566	warn "reloaded";
2492	};	2567	};
2493		2568
2494	our $RELOAD_WATCHER; # used only during reload	2569	our $RELOAD_WATCHER; # used only during reload
…		…
2535		2610
2536	cf::server_tick; # one server iteration	2611	cf::server_tick; # one server iteration
2537	$RUNTIME += $TICK;	2612	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	2613	$NEXT_TICK += $TICK;
2539		2614
		2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2616	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2617	Coro::async_pool {
		2618	write_runtime
		2619	or warn "ERROR: unable to write runtime file: $!";
		2620	};
		2621	}
		2622
2540	$WAIT_FOR_TICK->broadcast;	2623	$WAIT_FOR_TICK->broadcast;
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2542		2625
2543	Event::sweep;
2544	Coro::cede_notself;
2545
2546	# my $AFTER = Event::time;	2626	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#	2627	# warn $AFTER - $NOW;#d#
2548		2628
2549	# if we are delayed by four ticks or more, skip them all	2629	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
…		…
2552	$TICK_WATCHER->at ($NEXT_TICK);	2632	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;	2633	$TICK_WATCHER->start;
2554	},	2634	},
2555	);	2635	);
2556		2636
		2637	{
		2638	BDB::max_poll_time $TICK * 0.1;
		2639	$BDB_POLL_WATCHER = Event->io (
		2640	reentrant => 0,
		2641	fd => BDB::poll_fileno,
		2642	poll => 'r',
		2643	prio => 0,
		2644	data => WF_AUTOCANCEL,
		2645	cb => \&BDB::poll_cb,
		2646	);
		2647	BDB::min_parallel 8;
		2648
		2649	BDB::set_sync_prepare {
		2650	my $status;
		2651	my $current = $Coro::current;
		2652	(
		2653	sub {
		2654	$status = $!;
		2655	$current->ready; undef $current;
		2656	},
		2657	sub {
		2658	Coro::schedule while defined $current;
		2659	$! = $status;
		2660	},
		2661	)
		2662	};
		2663
		2664	unless ($DB_ENV) {
		2665	$DB_ENV = BDB::db_env_create;
		2666
		2667	cf::sync_job {
		2668	eval {
		2669	BDB::db_env_open
		2670	$DB_ENV,
		2671	$BDB_ENV_DIR,
		2672	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN
		2673	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,
		2674	0666;
		2675
		2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2677
		2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC, 1);
		2679	$DB_ENV->set_lk_detect;
		2680	};
		2681
		2682	cf::cleanup "db_env_open(db): $@" if $@;
		2683	};
		2684	}
		2685	}
		2686
		2687	{
		2688	IO::AIO::min_parallel 8;
		2689
		2690	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	2691	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	2692	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	2693	reentrant => 0,
		2694	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	2695	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	2696	poll => 'r',
2564	prio => 6,	2697	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	2698	cb => \&IO::AIO::poll_cb,
2567	);	2699	);
2568		2700	}
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		2701
2581	END { cf::emergency_save }	2702	END { cf::emergency_save }
2582		2703
2583	1	2704	1
2584		2705

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.205 by root, Mon Feb 5 18:29:20 2007 UTC vs. Revision 1.232 by root, Wed Apr 4 02:07:19 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.205 by root, Mon Feb 5 18:29:20 2007 UTC vs.
Revision 1.232 by root, Wed Apr 4 02:07:19 2007 UTC