[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 1.233 by root, Wed Apr 4 02:20:27 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;
1110		1139
1111	$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);
1112	}	1153	}
1113		1154
1114	package cf;	1155	package cf;
1115		1156
1116	=back	1157	=back
…		…
1294	my ($self) = @_;	1335	my ($self) = @_;
1295		1336
1296	utf8::encode (my $save = $self->save_path);	1337	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1339	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	}	1340	}
1305		1341
1306	sub load_header_from($) {	1342	sub load_header_from($) {
1307	my ($self, $path) = @_;	1343	my ($self, $path) = @_;
1308		1344
…		…
1596	return if $self->players;	1632	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#	1633	return if $self->isa ("ext::map_per_player");#d#
1598		1634
1599	warn "resetting map ", $self->path;#d#	1635	warn "resetting map ", $self->path;#d#
1600		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
1601	delete $cf::MAP{$self->path};	1647	delete $cf::MAP{$self->path};
1602		1648
1603	$self->in_memory (cf::MAP_SWAPPED);
1604	$self->clear;	1649	$self->clear;
1605		1650
1606	$_->clear_links_to ($self) for values %cf::MAP;	1651	$_->clear_links_to ($self) for values %cf::MAP;
1607		1652
1608	$self->unlink_save;	1653	$self->unlink_save;
…		…
1798	$map->load;	1843	$map->load;
1799	$map->load_diag;	1844	$map->load_diag;
1800		1845
1801	return unless $self->contr->active;	1846	return unless $self->contr->active;
1802	$self->activate_recursive;	1847	$self->activate_recursive;
		1848
		1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803	$self->enter_map ($map, $x, $y);	1850	$self->enter_map ($map, $x, $y);
1804	}	1851	}
1805		1852
1806	cf::player->attach (	1853	cf::player->attach (
1807	on_logout => sub {	1854	on_logout => sub {
…		…
1820	# try to abort aborted map switching on player login :)	1867	# try to abort aborted map switching on player login :)
1821	# should happen only on crashes	1868	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {	1869	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;	1870	$pl->ob->enter_link;
1824	(async {	1871	(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,	1872	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "	1873	"There was an internal problem at your last logout, "
1829	. "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.",
1830	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
1831	Coro::Timer::sleep 1;	1878	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;	1879	$pl->ob->leave_link;
1833	})->prio (2);	1880	})->prio (2);
1834	}	1881	}
1835	},	1882	},
…		…
1918		1965
1919	return unless $self->type == cf::PLAYER;	1966	return unless $self->type == cf::PLAYER;
1920		1967
1921	if ($exit->slaying eq "/!") {	1968	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job	1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1970	# the problem is that $exit might not survive long enough
		1971	# so it needs to be done right now, right here
1923	cf::sync_job { prepare_random_map $exit };	1972	cf::sync_job { prepare_random_map $exit };
1924	}	1973	}
1925		1974
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	1975	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;	1976	my $hp = $exit->stats->hp;
…		…
1935	$self->goto ($slaying, $hp, $sp);	1984	$self->goto ($slaying, $hp, $sp);
1936		1985
1937	1;	1986	1;
1938	}) {	1987	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	1988	$self->message ("Something went wrong deep within the crossfire server. "
1940	. "I'll try to bring you back to the map you were before. "	1989	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	1990	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE \| cf::NDI_RED);	1991	cf::NDI_UNIQUE \| cf::NDI_RED);
1943		1992
1944	warn "ERROR in enter_exit: $@";	1993	warn "ERROR in enter_exit: $@";
1945	$self->leave_link;	1994	$self->leave_link;
1946	}	1995	}
1947	})->prio (1);	1996	})->prio (1);
…		…
1960		2009
1961	sub cf::client::send_drawinfo {	2010	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2011	my ($self, $text, $flags) = @_;
1963		2012
1964	utf8::encode $text;	2013	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2014	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
1966	}	2015	}
1967		2016
		2017	=item $client->ext_event ($type, %msg)
		2018
		2019	Sends an exti event to the client.
		2020
		2021	=cut
		2022
		2023	sub cf::client::ext_event($$%) {
		2024	my ($self, $type, %msg) = @_;
		2025
		2026	$msg{msgtype} = "event_$type";
		2027	$self->send_packet ("ext " . cf::to_json \%msg);
		2028	}
1968		2029
1969	=item $success = $client->query ($flags, "text", \&cb)	2030	=item $success = $client->query ($flags, "text", \&cb)
1970		2031
1971	Queues a query to the client, calling the given callback with	2032	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2033	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2001	# get handled first	2062	# get handled first
2002	my $queue = delete $ns->{query_queue}	2063	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	2064	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		2065
2005	(shift @$queue)->[1]->($msg);	2066	(shift @$queue)->[1]->($msg);
		2067	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		2068
2007	push @{ $ns->{query_queue} }, @$queue;	2069	push @{ $ns->{query_queue} }, @$queue;
2008		2070
2009	if (@{ $ns->{query_queue} } == @$queue) {	2071	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	2072	if (@$queue) {
…		…
2068		2130
2069	# here we export the classes and methods available to script code	2131	# here we export the classes and methods available to script code
2070		2132
2071	=pod	2133	=pod
2072		2134
2073	The following fucntions and emthods are available within a safe environment:	2135	The following functions and methods are available within a safe environment:
2074		2136
2075	cf::object contr pay_amount pay_player map	2137	cf::object contr pay_amount pay_player map
2076	cf::object::player player	2138	cf::object::player player
2077	cf::player peaceful	2139	cf::player peaceful
2078	cf::map trigger	2140	cf::map trigger
…		…
2171	The parameter C<$family> should best start with the name of the extension	2233	The parameter C<$family> should best start with the name of the extension
2172	using it, it should be unique.	2234	using it, it should be unique.
2173		2235
2174	=over 4	2236	=over 4
2175		2237
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	2238	=item $value = cf::db_get $family => $key
2183		2239
2184	Returns a single value from the database	2240	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		2241
2191	=item cf::db_put $family => $key => $value	2242	=item cf::db_put $family => $key => $value
2192		2243
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you	2244	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		2245
2204	=cut	2246	=cut
2205		2247
2206	our $DB;	2248	our $DB;
2207		2249
2208	{	2250	sub db_init {
		2251	unless ($DB) {
		2252	$DB = BDB::db_create $DB_ENV;
		2253
		2254	cf::sync_job {
		2255	eval {
		2256	$DB->set_flags (BDB::CHKSUM);
		2257
		2258	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2259	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
		2260	cf::cleanup "db_open(db): $!" if $!;
		2261	};
		2262	cf::cleanup "db_open(db): $@" if $@;
		2263	};
		2264
2209	my $path = cf::localdir . "/database.pst";	2265	my $path = cf::localdir . "/database.pst";
		2266	if (stat $path) {
		2267	cf::sync_job {
		2268	my $pst = Storable::retrieve $path;
2210		2269
2211	sub db_load() {	2270	cf::db_put (board => data => $pst->{board});
2212	$DB = stat $path ? Storable::retrieve $path : { };	2271	cf::db_put (guildrules => data => $pst->{guildrules});
2213	}	2272	cf::db_put (rent => balance => $pst->{rent}{balance});
		2273	BDB::db_env_txn_checkpoint $DB_ENV;
2214		2274
2215	my $pid;	2275	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	}	2276	};
		2277	}
2225	}	2278	}
		2279	}
2226		2280
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	$idle->start;
2246	}
2247
2248	sub db_get($;$) {	2281	sub db_get($$) {
2249	@_ >= 2	2282	my $key = "$_[0]/$_[1]";
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} \|\|= { })
2252	}
2253		2283
		2284	cf::sync_job {
		2285	BDB::db_get $DB, undef, $key, my $data;
		2286
		2287	$! ? ()
		2288	: Compress::LZF::sthaw $data
		2289	}
		2290	}
		2291
2254	sub db_put($$;$) {	2292	sub db_put($$$) {
2255	if (@_ >= 3) {	2293	BDB::dbreq_pri 4;
2256	$DB->{$_[0]}{$_[1]} = $_[2];	2294	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2295	}
		2296
		2297	#############################################################################
		2298	# the server's init and main functions
		2299
		2300	sub load_facedata {
		2301	my $path = sprintf "%s/facedata", cf::datadir;
		2302
		2303	warn "loading facedata from $path\n";
		2304
		2305	my $faces;
		2306	0 < aio_load $path, $faces
		2307	or die "$path: $!";
		2308
		2309	Coro::cede;
		2310	$faces = Storable::thaw $faces;
		2311	Coro::cede;
		2312
		2313	my $meta = delete $faces->{""};
		2314	$meta->{version} == 1
		2315	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2316
		2317	while (my ($face, $info) = each %$faces) {
		2318	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
		2319	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2320	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2321	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2322	Coro::cede;
		2323	}
		2324
		2325	while (my ($face, $info) = each %$faces) {
		2326	next unless $info->{smooth};
		2327	my $idx = cf::face::find $face
		2328	or next;
		2329	if (my $smooth = cf::face::find $info->{smooth}) {
		2330	cf::face::set_smooth $idx, $smooth;
2257	} else {	2331	} else {
2258	$DB->{$_[0]} = $_[1];	2332	warn "smooth face '$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	},	2333	}
2268	);	2334	Coro::cede;
2269	}	2335	}
2270		2336
2271	#############################################################################	2337	1
2272	# the server's main()	2338	}
		2339
		2340	sub reload_resources {
		2341	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2342	or die "unable to load regions file\n";#d#
		2343	load_facedata
		2344	or die "unable to load facedata\n";#d#
		2345	}
		2346
		2347	sub init {
		2348	reload_resources;
		2349	}
2273		2350
2274	sub cfg_load {	2351	sub cfg_load {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	2352	open my $fh, "<:utf8", cf::confdir . "/config"
2276	or return;	2353	or return;
2277		2354
…		…
2300	Event::one_event;	2377	Event::one_event;
2301	})->prio (Coro::PRIO_MAX);	2378	})->prio (Coro::PRIO_MAX);
2302	};	2379	};
2303		2380
2304	cfg_load;	2381	cfg_load;
2305	db_load;	2382	db_init;
2306	load_extensions;	2383	load_extensions;
2307		2384
2308	$TICK_WATCHER->start;	2385	$TICK_WATCHER->start;
2309	Event::loop;	2386	Event::loop;
2310	}	2387	}
…		…
2349	my $map = $cf::MAP{$path} or next;	2426	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	2427	$map->valid or next;
2351	$map->save;	2428	$map->save;
2352	}	2429	}
2353	warn "end emergency map save\n";	2430	warn "end emergency map save\n";
		2431
		2432	warn "begin emergency database checkpoint\n";
		2433	BDB::db_env_txn_checkpoint $DB_ENV;
		2434	warn "end emergency database checkpoint\n";
2354	};	2435	};
2355		2436
2356	warn "leave emergency perl save\n";	2437	warn "leave emergency perl save\n";
		2438	}
		2439
		2440	sub post_cleanup {
		2441	my ($make_core) = @_;
		2442
		2443	warn Carp::longmess "post_cleanup backtrace"
		2444	if $make_core;
2357	}	2445	}
2358		2446
2359	sub reload() {	2447	sub reload() {
2360	# can/must only be called in main	2448	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	2449	if ($Coro::current != $Coro::main) {
…		…
2363	return;	2451	return;
2364	}	2452	}
2365		2453
2366	warn "reloading...";	2454	warn "reloading...";
2367		2455
2368	warn "cancelling server ticker";	2456	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		2457
		2458	cf::sync_job {
		2459	cf::write_runtime; # external watchdog should not bark
2371	cf::emergency_save;	2460	cf::emergency_save;
		2461	cf::write_runtime; # external watchdog should not bark
2372		2462
2373	eval {	2463	warn "syncing database to disk";
		2464	BDB::db_env_txn_checkpoint $DB_ENV;
		2465
2374	# if anything goes wrong in here, we should simply crash as we already saved	2466	# 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		2467
2379	warn "cancelling all WF_AUTOCANCEL watchers";	2468	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {	2469	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;	2470	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}	2471	}
2383		2472
2384	warn "flushing outstanding aio requests";	2473	warn "flushing outstanding aio requests";
2385	for (;;) {	2474	for (;;) {
		2475	BDB::flush;
2386	IO::AIO::flush;	2476	IO::AIO::flush;
2387	Coro::cede;	2477	Coro::cede;
2388	last unless IO::AIO::nreqs;	2478	last unless IO::AIO::nreqs \|\| BDB::nreqs;
2389	warn "iterate...";	2479	warn "iterate...";
2390	}	2480	}
		2481
		2482	++$RELOAD;
2391		2483
2392	warn "cancelling all extension coros";	2484	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	2485	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	2486	%EXT_CORO = ();
2395		2487
…		…
2448	require cf;	2540	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2541	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450		2542
2451	warn "loading config and database again";	2543	warn "loading config and database again";
2452	cf::cfg_load;	2544	cf::cfg_load;
2453	cf::db_load;
2454		2545
2455	warn "loading extensions";	2546	warn "loading extensions";
2456	cf::load_extensions;	2547	cf::load_extensions;
2457		2548
2458	warn "reattaching attachments to objects/players";	2549	warn "reattaching attachments to objects/players";
2459	_global_reattach;	2550	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	2551	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	2552	reattach $_ for values %MAP;
		2553	warn "reattaching attachments to players";
		2554	reattach $_ for values %PLAYER;
2462		2555
2463	warn "restarting server ticker";	2556	warn "loading reloadable resources";
		2557	reload_resources;
2464		2558
2465	$TICK_WATCHER->start;	2559	warn "leaving sync_job";
2466	};
2467		2560
2468	if ($@) {	2561	1
		2562	} or do {
2469	warn $@;	2563	warn $@;
2470	warn "error while reloading, exiting.";	2564	warn "error while reloading, exiting.";
2471	exit 1;	2565	exit 1;
2472	}	2566	};
2473		2567
2474	warn "reloaded";	2568	warn "reloaded";
2475	};	2569	};
2476		2570
2477	our $RELOAD_WATCHER; # used only during reload	2571	our $RELOAD_WATCHER; # used only during reload
…		…
2518		2612
2519	cf::server_tick; # one server iteration	2613	cf::server_tick; # one server iteration
2520	$RUNTIME += $TICK;	2614	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;	2615	$NEXT_TICK += $TICK;
2522		2616
		2617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2618	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2619	Coro::async_pool {
		2620	write_runtime
		2621	or warn "ERROR: unable to write runtime file: $!";
		2622	};
		2623	}
		2624
2523	$WAIT_FOR_TICK->broadcast;	2625	$WAIT_FOR_TICK->broadcast;
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2626	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2525		2627
2526	Event::sweep;
2527	Coro::cede_notself;
2528
2529	# my $AFTER = Event::time;	2628	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#	2629	# warn $AFTER - $NOW;#d#
2531		2630
2532	# if we are delayed by four ticks or more, skip them all	2631	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2632	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
…		…
2535	$TICK_WATCHER->at ($NEXT_TICK);	2634	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;	2635	$TICK_WATCHER->start;
2537	},	2636	},
2538	);	2637	);
2539		2638
		2639	{
		2640	BDB::max_poll_time $TICK * 0.1;
		2641	$BDB_POLL_WATCHER = Event->io (
		2642	reentrant => 0,
		2643	fd => BDB::poll_fileno,
		2644	poll => 'r',
		2645	prio => 0,
		2646	data => WF_AUTOCANCEL,
		2647	cb => \&BDB::poll_cb,
		2648	);
		2649	BDB::min_parallel 8;
		2650
		2651	BDB::set_sync_prepare {
		2652	my $status;
		2653	my $current = $Coro::current;
		2654	(
		2655	sub {
		2656	$status = $!;
		2657	$current->ready; undef $current;
		2658	},
		2659	sub {
		2660	Coro::schedule while defined $current;
		2661	$! = $status;
		2662	},
		2663	)
		2664	};
		2665
		2666	unless ($DB_ENV) {
		2667	$DB_ENV = BDB::db_env_create;
		2668
		2669	cf::sync_job {
		2670	eval {
		2671	BDB::db_env_open
		2672	$DB_ENV,
		2673	$BDB_ENV_DIR,
		2674	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN
		2675	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,
		2676	0666;
		2677
		2678	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2679
		2680	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC, 1);
		2681	$DB_ENV->set_lk_detect;
		2682	};
		2683
		2684	cf::cleanup "db_env_open(db): $@" if $@;
		2685	};
		2686	}
		2687	}
		2688
		2689	{
		2690	IO::AIO::min_parallel 8;
		2691
		2692	undef $Coro::AIO::WATCHER;
2540	IO::AIO::max_poll_time $TICK * 0.1;	2693	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (	2694	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,	2695	reentrant => 0,
		2696	data => WF_AUTOCANCEL,
2545	fd => IO::AIO::poll_fileno,	2697	fd => IO::AIO::poll_fileno,
2546	poll => 'r',	2698	poll => 'r',
2547	prio => 6,	2699	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,	2700	cb => \&IO::AIO::poll_cb,
2550	);	2701	);
2551		2702	}
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		2703
2564	END { cf::emergency_save }	2704	END { cf::emergency_save }
2565		2705
2566	1	2706	1
2567		2707

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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 1.233 by root, Wed Apr 4 02:20:27 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 1.233 by root, Wed Apr 4 02:20:27 2007 UTC