[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 1.251 by root, Wed Apr 18 14:45:13 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	59	our $LIBDIR = datadir . "/ext";
46		60
47	our $TICK = MAX_TIME * 1e-6;	61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	62	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	63	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	65	our $NEXT_TICK;
52	our $NOW;	66	our $NOW;
53	our $USE_FSYNC; # use fsync to write maps - default off	67	our $USE_FSYNC = 1; # use fsync to write maps - default off
		68
		69	our $BDB_POLL_WATCHER;
		70	our $DB_ENV;
54		71
55	our %CFG;	72	our %CFG;
56		73
57	our $UPTIME; $UPTIME \|\|= time;	74	our $UPTIME; $UPTIME \|\|= time;
58	our $RUNTIME;	75	our $RUNTIME;
59		76
60	our %PLAYER; # all users	77	our %PLAYER; # all users
61	our %MAP; # all maps	78	our %MAP; # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	79	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";	80	our $RANDOM_MAPS = cf::localdir . "/random";
64		81	our $BDB_ENV_DIR = cf::localdir . "/db";
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK \|\|= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE \|\|= new Coro::Signal;
67		82
68	# used to convert map paths into valid unix filenames by replacing / by ∕	83	# used to convert map paths into valid unix filenames by replacing / by ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		85
71	binmode STDOUT;	86	binmode STDOUT;
…		…
81	mkdir cf::localdir;	96	mkdir cf::localdir;
82	mkdir cf::localdir . "/" . cf::playerdir;	97	mkdir cf::localdir . "/" . cf::playerdir;
83	mkdir cf::localdir . "/" . cf::tmpdir;	98	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;	99	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;	100	mkdir $RANDOM_MAPS;
		101	mkdir $BDB_ENV_DIR;
86		102
87	our $EMERGENCY_POSITION;	103	our $EMERGENCY_POSITION;
88		104
89	sub cf::map::normalise;	105	sub cf::map::normalise;
90		106
…		…
119	=item %cf::CFG	135	=item %cf::CFG
120		136
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	137	Configuration for the server, loaded from C</etc/crossfire/config>, or
122	from wherever your confdir points to.	138	from wherever your confdir points to.
123		139
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	140	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		141
126	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
127	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	143	returns directly I<after> the tick processing (and consequently, can only wake one process
128	processing has been done. Call C<< ->wait >> on them to maximise the	144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
129	window of cpu time available, or simply to synchronise to the server tick.
130		145
131	=back	146	=back
132		147
133	=cut	148	=cut
134		149
135	BEGIN {	150	BEGIN {
136	*CORE::GLOBAL::warn = sub {	151	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	152	my $msg = join "", @_;
138	utf8::encode $msg;
139		153
140	$msg .= "\n"	154	$msg .= "\n"
141	unless $msg =~ /\n$/;	155	unless $msg =~ /\n$/;
142		156
		157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		158
		159	utf8::encode $msg;
143	LOG llevError, $msg;	160	LOG llevError, $msg;
144	};	161	};
145	}	162	}
146		163
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	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
…		…
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	}
1366		1433
		1434	$self->default_region (cf::region::find_by_path $self->{path})
		1435	unless $self->default_region;
		1436
1367	1	1437	1
1368	}	1438	}
1369		1439
1370	sub find;	1440	sub find;
1371	sub find {	1441	sub find {
…		…
1413	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1414		1484
1415	$self->alloc;	1485	$self->alloc;
1416		1486
1417	$self->pre_load;	1487	$self->pre_load;
		1488	Coro::cede;
1418		1489
1419	$self->_load_objects ($self->{load_path}, 1)	1490	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1491	or return;
1421		1492
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
…		…
1429	$self->_load_objects ($uniq, 0);	1500	$self->_load_objects ($uniq, 0);
1430	}	1501	}
1431	}	1502	}
1432		1503
1433	Coro::cede;	1504	Coro::cede;
1434
1435	# now do the right thing for maps	1505	# now do the right thing for maps
1436	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
		1507	Coro::cede;
1437		1508
1438	unless ($self->{deny_activate}) {	1509	unless ($self->{deny_activate}) {
1439	$self->decay_objects;	1510	$self->decay_objects;
1440	$self->fix_auto_apply;	1511	$self->fix_auto_apply;
1441	$self->update_buttons;	1512	$self->update_buttons;
…		…
1443	$self->set_darkness_map;	1514	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	1515	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1516	unless $self->difficulty;
1446	Coro::cede;	1517	Coro::cede;
1447	$self->activate;	1518	$self->activate;
		1519	Coro::cede;
1448	}	1520	}
1449		1521
1450	$self->post_load;	1522	$self->post_load;
		1523	Coro::cede;
1451		1524
1452	$self->in_memory (cf::MAP_IN_MEMORY);	1525	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	1526	}
1454		1527
1455	sub customise_for {	1528	sub customise_for {
…		…
1600	return if $self->players;	1673	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#	1674	return if $self->isa ("ext::map_per_player");#d#
1602		1675
1603	warn "resetting map ", $self->path;#d#	1676	warn "resetting map ", $self->path;#d#
1604		1677
		1678	$self->in_memory (cf::MAP_SWAPPED);
		1679
		1680	# need to save uniques path
		1681	unless ($self->{deny_save}) {
		1682	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1683
		1684	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1685	if $uniq;
		1686	}
		1687
1605	delete $cf::MAP{$self->path};	1688	delete $cf::MAP{$self->path};
1606		1689
1607	$self->in_memory (cf::MAP_SWAPPED);
1608	$self->clear;	1690	$self->clear;
1609		1691
1610	$_->clear_links_to ($self) for values %cf::MAP;	1692	$_->clear_links_to ($self) for values %cf::MAP;
1611		1693
1612	$self->unlink_save;	1694	$self->unlink_save;
…		…
1802	$map->load;	1884	$map->load;
1803	$map->load_diag;	1885	$map->load_diag;
1804		1886
1805	return unless $self->contr->active;	1887	return unless $self->contr->active;
1806	$self->activate_recursive;	1888	$self->activate_recursive;
		1889
		1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	1891	$self->enter_map ($map, $x, $y);
1808	}	1892	}
1809		1893
1810	cf::player->attach (	1894	cf::player->attach (
1811	on_logout => sub {	1895	on_logout => sub {
…		…
1824	# try to abort aborted map switching on player login :)	1908	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes	1909	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {	1910	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;	1911	$pl->ob->enter_link;
1828	(async {	1912	(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,	1913	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "	1914	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",	1915	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);	1916	cf::NDI_RED);
		1917	# we need this sleep as the login has a concurrent enter_exit running
		1918	# and this sleep increases chances of the player not ending up in scorn
1835	Coro::Timer::sleep 1;	1919	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;	1920	$pl->ob->leave_link;
1837	})->prio (2);	1921	})->prio (2);
1838	}	1922	}
1839	},	1923	},
…		…
1922		2006
1923	return unless $self->type == cf::PLAYER;	2007	return unless $self->type == cf::PLAYER;
1924		2008
1925	if ($exit->slaying eq "/!") {	2009	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2011	# the problem is that $exit might not survive long enough
		2012	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2013	cf::sync_job { prepare_random_map $exit };
1928	}	2014	}
1929		2015
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2017	my $hp = $exit->stats->hp;
…		…
1939	$self->goto ($slaying, $hp, $sp);	2025	$self->goto ($slaying, $hp, $sp);
1940		2026
1941	1;	2027	1;
1942	}) {	2028	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2029	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2030	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2031	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE \| cf::NDI_RED);	2032	cf::NDI_UNIQUE \| cf::NDI_RED);
1947		2033
1948	warn "ERROR in enter_exit: $@";	2034	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2035	$self->leave_link;
1950	}	2036	}
1951	})->prio (1);	2037	})->prio (1);
…		…
1964		2050
1965	sub cf::client::send_drawinfo {	2051	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2052	my ($self, $text, $flags) = @_;
1967		2053
1968	utf8::encode $text;	2054	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2055	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
1970	}	2056	}
1971		2057
		2058	=item $client->ext_event ($type, %msg)
		2059
		2060	Sends an exti event to the client.
		2061
		2062	=cut
		2063
		2064	sub cf::client::ext_event($$%) {
		2065	my ($self, $type, %msg) = @_;
		2066
		2067	$msg{msgtype} = "event_$type";
		2068	$self->send_packet ("ext " . cf::to_json \%msg);
		2069	}
1972		2070
1973	=item $success = $client->query ($flags, "text", \&cb)	2071	=item $success = $client->query ($flags, "text", \&cb)
1974		2072
1975	Queues a query to the client, calling the given callback with	2073	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>,	2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2073		2171
2074	# here we export the classes and methods available to script code	2172	# here we export the classes and methods available to script code
2075		2173
2076	=pod	2174	=pod
2077		2175
2078	The following fucntions and emthods are available within a safe environment:	2176	The following functions and methods are available within a safe environment:
2079		2177
2080	cf::object contr pay_amount pay_player map	2178	cf::object contr pay_amount pay_player map
2081	cf::object::player player	2179	cf::object::player player
2082	cf::player peaceful	2180	cf::player peaceful
2083	cf::map trigger	2181	cf::map trigger
…		…
2168	#############################################################################	2266	#############################################################################
2169		2267
2170	=head2 EXTENSION DATABASE SUPPORT	2268	=head2 EXTENSION DATABASE SUPPORT
2171		2269
2172	Crossfire maintains a very simple database for extension use. It can	2270	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which	2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2174	excludes objects.	2272	convert to/from binary).
2175		2273
2176	The parameter C<$family> should best start with the name of the extension	2274	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.	2275	using it, it should be unique.
2178		2276
2179	=over 4	2277	=over 4
2180		2278
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	2279	=item $value = cf::db_get $family => $key
2188		2280
2189	Returns a single value from the database	2281	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		2282
2196	=item cf::db_put $family => $key => $value	2283	=item cf::db_put $family => $key => $value
2197		2284
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you	2285	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		2286
2209	=cut	2287	=cut
2210		2288
2211	our $DB;	2289	our $DB;
2212		2290
2213	{	2291	sub db_init {
2214	my $path = cf::localdir . "/database.pst";	2292	unless ($DB) {
		2293	$DB = BDB::db_create $DB_ENV;
2215		2294
2216	sub db_load() {	2295	cf::sync_job {
2217	$DB = stat $path ? Storable::retrieve $path : { };	2296	eval {
2218	}	2297	$DB->set_flags (BDB::CHKSUM);
2219		2298
2220	my $pid;	2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2221		2300	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
2222	sub db_save() {	2301	cf::cleanup "db_open(db): $!" if $!;
2223	waitpid $pid, 0 if $pid;	2302	};
2224	if (0 == ($pid = fork)) {	2303	cf::cleanup "db_open(db): $@" if $@;
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}	2304	};
2230	}	2305	}
		2306	}
2231		2307
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	$idle->start;
2251	}
2252
2253	sub db_get($;$) {	2308	sub db_get($$) {
2254	@_ >= 2	2309	my $key = "$_[0]/$_[1]";
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} \|\|= { })
2257	}
2258		2310
		2311	cf::sync_job {
		2312	BDB::db_get $DB, undef, $key, my $data;
		2313
		2314	$! ? ()
		2315	: $data
		2316	}
		2317	}
		2318
2259	sub db_put($$;$) {	2319	sub db_put($$$) {
2260	if (@_ >= 3) {	2320	BDB::dbreq_pri 4;
2261	$DB->{$_[0]}{$_[1]} = $_[2];	2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2262	} else {	2322	}
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267		2323
2268	cf::global->attach (	2324	=item cf::cache $id => [$paths...], $processversion => $process
2269	prio => 10000,	2325
2270	on_cleanup => sub {	2326	Generic caching function that returns the value of the resource $id,
2271	db_sync;	2327	caching and regenerating as required.
		2328
		2329	This function can block.
		2330
		2331	=cut
		2332
		2333	sub cache {
		2334	my ($id, $src, $processversion, $process) = @_;
		2335
		2336	my $meta =
		2337	join "\x00",
		2338	$processversion,
		2339	map {
		2340	aio_stat $_
		2341	and Carp::croak "$_: $!";
		2342
		2343	($_, (stat _)[7,9])
		2344	} @$src;
		2345
		2346	my $dbmeta = db_get cache => "$id/meta";
		2347	if ($dbmeta ne $meta) {
		2348	# changed, we may need to process
		2349
		2350	my @data;
		2351	my $md5;
		2352
		2353	for (0 .. $#$src) {
		2354	0 <= aio_load $src->[$_], $data[$_]
		2355	or Carp::croak "$src->[$_]: $!";
2272	},	2356	}
2273	);	2357
		2358	# if processing is expensive, check
		2359	# checksum first
		2360	if (1) {
		2361	$md5 =
		2362	join "\x00",
		2363	$processversion,
		2364	map {
		2365	Coro::cede;
		2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2367	} 0.. $#$src;
		2368
		2369
		2370	my $dbmd5 = db_get cache => "$id/md5";
		2371	if ($dbmd5 eq $md5) {
		2372	db_put cache => "$id/meta", $meta;
		2373
		2374	return db_get cache => "$id/data";
		2375	}
		2376	}
		2377
		2378	my $data = $process->(\@data);
		2379
		2380	db_put cache => "$id/data", $data;
		2381	db_put cache => "$id/md5" , $md5;
		2382	db_put cache => "$id/meta", $meta;
		2383
		2384	return $data;
		2385	}
		2386
		2387	db_get cache => "$id/data"
2274	}	2388	}
		2389
		2390	=item fork_call { }, $args
		2391
		2392	Executes the given code block with the given arguments in a seperate
		2393	process, returning the results. Everything must be serialisable with
		2394	Coro::Storable. May, of course, block. Note that the executed sub may
		2395	never block itself or use any form of Event handling.
		2396
		2397	=cut
		2398
		2399	sub fork_call(&@) {
		2400	my ($cb, @args) = @_;
		2401
		2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2403	# or die "socketpair: $!";
		2404	pipe my $fh1, my $fh2
		2405	or die "pipe: $!";
		2406
		2407	if (my $pid = fork) {
		2408	close $fh2;
		2409
		2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2411	$res = Coro::Storable::thaw $res;
		2412
		2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2414
		2415	die $$res unless "ARRAY" eq ref $res;
		2416
		2417	return wantarray ? @$res : $res->[-1];
		2418	} else {
		2419	local $SIG{__WARN__};
		2420	eval {
		2421	local $SIG{__DIE__};
		2422	close $fh1;
		2423
		2424	my @res = eval { $cb->(@args) };
		2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2426	};
		2427
		2428	warn $@ if $@;
		2429	_exit 0;
		2430	}
		2431	}
		2432
		2433
2275		2434
2276	#############################################################################	2435	#############################################################################
2277	# the server's init and main functions	2436	# the server's init and main functions
2278		2437
2279	sub load_resources {	2438	sub load_facedata($) {
		2439	my ($path) = @_;
		2440
		2441	warn "loading facedata from $path\n";
		2442
		2443	my $facedata;
		2444	0 < aio_load $path, $facedata
		2445	or die "$path: $!";
		2446
		2447	$facedata = Coro::Storable::thaw $facedata;
		2448
		2449	$facedata->{version} == 2
		2450	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2451
		2452	{
		2453	my $faces = $facedata->{faceinfo};
		2454
		2455	while (my ($face, $info) = each %$faces) {
		2456	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
		2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2460	Coro::cede;
		2461	}
		2462
		2463	while (my ($face, $info) = each %$faces) {
		2464	next unless $info->{smooth};
		2465	my $idx = cf::face::find $face
		2466	or next;
		2467	if (my $smooth = cf::face::find $info->{smooth}) {
		2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2469	} else {
		2470	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2471	}
		2472	Coro::cede;
		2473	}
		2474	}
		2475
		2476	{
		2477	my $anims = $facedata->{animinfo};
		2478
		2479	while (my ($anim, $info) = each %$anims) {
		2480	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2481	Coro::cede;
		2482	}
		2483
		2484	cf::anim::invalidate_all; # d'oh
		2485	}
		2486
		2487	1
		2488	}
		2489
		2490	sub reload_facedata {
		2491	load_facedata sprintf "%s/facedata", cf::datadir
		2492	or die "unable to load facedata\n";
		2493	}
		2494
		2495	sub reload_regions {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2281	or die "unable to load regions file\n";#d#	2497	or die "unable to load regions file\n";
		2498	}
		2499
		2500	sub reload_archetypes {
		2501	load_resource_file sprintf "%s/archetypes", cf::datadir
		2502	or die "unable to load archetypes\n";
		2503	}
		2504
		2505	sub reload_treasures {
		2506	load_resource_file sprintf "%s/treasures", cf::datadir
		2507	or die "unable to load treasurelists\n";
		2508	}
		2509
		2510	sub reload_resources {
		2511	warn "reloading resource files...\n";
		2512
		2513	reload_regions;
		2514	reload_facedata;
		2515	reload_archetypes;
		2516	reload_treasures;
		2517
		2518	warn "finished reloading resource files\n";
		2519	}
		2520
		2521	sub init {
		2522	reload_resources;
2282	}	2523	}
2283		2524
2284	sub cfg_load {	2525	sub cfg_load {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	2526	open my $fh, "<:utf8", cf::confdir . "/config"
2286	or return;	2527	or return;
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2539	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	2540	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	2541	};
2301	warn $@ if $@;	2542	warn $@ if $@;
2302	}	2543	}
2303	}
2304
2305	sub init {
2306	load_resources;
2307	}	2544	}
2308		2545
2309	sub main {	2546	sub main {
2310	# we must not ever block the main coroutine	2547	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	2548	local $Coro::idle = sub {
…		…
2314	Event::one_event;	2551	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	2552	})->prio (Coro::PRIO_MAX);
2316	};	2553	};
2317		2554
2318	cfg_load;	2555	cfg_load;
2319	db_load;	2556	db_init;
2320	load_extensions;	2557	load_extensions;
2321		2558
2322	$TICK_WATCHER->start;	2559	$TICK_WATCHER->start;
2323	Event::loop;	2560	Event::loop;
2324	}	2561	}
…		…
2363	my $map = $cf::MAP{$path} or next;	2600	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	2601	$map->valid or next;
2365	$map->save;	2602	$map->save;
2366	}	2603	}
2367	warn "end emergency map save\n";	2604	warn "end emergency map save\n";
		2605
		2606	warn "begin emergency database checkpoint\n";
		2607	BDB::db_env_txn_checkpoint $DB_ENV;
		2608	warn "end emergency database checkpoint\n";
2368	};	2609	};
2369		2610
2370	warn "leave emergency perl save\n";	2611	warn "leave emergency perl save\n";
2371	}	2612	}
2372		2613
		2614	sub post_cleanup {
		2615	my ($make_core) = @_;
		2616
		2617	warn Carp::longmess "post_cleanup backtrace"
		2618	if $make_core;
		2619	}
		2620
2373	sub reload() {	2621	sub do_reload_perl() {
2374	# can/must only be called in main	2622	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	2623	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	2624	warn "can only reload from main coroutine";
2377	return;	2625	return;
2378	}	2626	}
2379		2627
2380	warn "reloading...";	2628	warn "reloading...";
2381		2629
2382	warn "cancelling server ticker";	2630	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		2631
		2632	cf::sync_job {
		2633	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	2634	cf::emergency_save;
		2635	cf::write_runtime; # external watchdog should not bark
2386		2636
2387	eval {	2637	warn "syncing database to disk";
		2638	BDB::db_env_txn_checkpoint $DB_ENV;
		2639
2388	# if anything goes wrong in here, we should simply crash as we already saved	2640	# 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		2641
2393	warn "cancelling all WF_AUTOCANCEL watchers";	2642	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	2643	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	2645	}
2397		2646
2398	warn "flushing outstanding aio requests";	2647	warn "flushing outstanding aio requests";
2399	for (;;) {	2648	for (;;) {
		2649	BDB::flush;
2400	IO::AIO::flush;	2650	IO::AIO::flush;
2401	Coro::cede;	2651	Coro::cede;
2402	last unless IO::AIO::nreqs;	2652	last unless IO::AIO::nreqs \|\| BDB::nreqs;
2403	warn "iterate...";	2653	warn "iterate...";
2404	}	2654	}
		2655
		2656	++$RELOAD;
2405		2657
2406	warn "cancelling all extension coros";	2658	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	2659	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	2660	%EXT_CORO = ();
2409		2661
…		…
2462	require cf;	2714	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		2716
2465	warn "loading config and database again";	2717	warn "loading config and database again";
2466	cf::cfg_load;	2718	cf::cfg_load;
2467	cf::db_load;
2468		2719
2469	warn "loading extensions";	2720	warn "loading extensions";
2470	cf::load_extensions;	2721	cf::load_extensions;
2471		2722
2472	warn "reattaching attachments to objects/players";	2723	warn "reattaching attachments to objects/players";
2473	_global_reattach;	2724	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	2725	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	2726	reattach $_ for values %MAP;
		2727	warn "reattaching attachments to players";
		2728	reattach $_ for values %PLAYER;
2476		2729
2477	warn "loading reloadable resources";	2730	warn "leaving sync_job";
2478	load_resources;
2479		2731
2480	warn "restarting server ticker";	2732	1
2481		2733	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	2734	warn $@;
2487	warn "error while reloading, exiting.";	2735	warn "error while reloading, exiting.";
2488	exit 1;	2736	exit 1;
2489	}	2737	};
2490		2738
2491	warn "reloaded";	2739	warn "reloaded";
2492	};	2740	};
2493		2741
2494	our $RELOAD_WATCHER; # used only during reload	2742	our $RELOAD_WATCHER; # used only during reload
2495		2743
		2744	sub reload_perl() {
		2745	# doing reload synchronously and two reloads happen back-to-back,
		2746	# coro crashes during coro_state_free->destroy here.
		2747
		2748	$RELOAD_WATCHER \|\|= Event->timer (
		2749	reentrant => 0,
		2750	after => 0,
		2751	data => WF_AUTOCANCEL,
		2752	cb => sub {
		2753	do_reload_perl;
		2754	undef $RELOAD_WATCHER;
		2755	},
		2756	);
		2757	}
		2758
2496	register_command "reload" => sub {	2759	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	2760	my ($who, $arg) = @_;
2498		2761
2499	if ($who->flag (FLAG_WIZ)) {	2762	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	2763	$who->message ("reloading server.");
2501		2764	async { reload_perl };
2502	# doing reload synchronously and two reloads happen back-to-back,
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER \|\|= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);
2514	}	2765	}
2515	};	2766	};
2516		2767
2517	unshift @INC, $LIBDIR;	2768	unshift @INC, $LIBDIR;
2518		2769
2519	my $bug_warning = 0;	2770	my $bug_warning = 0;
		2771
		2772	our @WAIT_FOR_TICK;
		2773	our @WAIT_FOR_TICK_BEGIN;
		2774
		2775	sub wait_for_tick {
		2776	return unless $TICK_WATCHER->is_active;
		2777	return if $Coro::current == $Coro::main;
		2778
		2779	my $signal = new Coro::Signal;
		2780	push @WAIT_FOR_TICK, $signal;
		2781	$signal->wait;
		2782	}
		2783
		2784	sub wait_for_tick_begin {
		2785	return unless $TICK_WATCHER->is_active;
		2786	return if $Coro::current == $Coro::main;
		2787
		2788	my $signal = new Coro::Signal;
		2789	push @WAIT_FOR_TICK_BEGIN, $signal;
		2790	$signal->wait;
		2791	}
2520		2792
2521	$TICK_WATCHER = Event->timer (	2793	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	2794	reentrant => 0,
2523	parked => 1,	2795	parked => 1,
2524	prio => 0,	2796	prio => 0,
…		…
2532	}	2804	}
2533		2805
2534	$NOW = Event::time;	2806	$NOW = Event::time;
2535		2807
2536	cf::server_tick; # one server iteration	2808	cf::server_tick; # one server iteration
		2809
2537	$RUNTIME += $TICK;	2810	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	2811	$NEXT_TICK += $TICK;
2539		2812
2540	$WAIT_FOR_TICK->broadcast;	2813	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2814	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		2815	Coro::async_pool {
2543	Event::sweep;	2816	write_runtime
2544	Coro::cede_notself;	2817	or warn "ERROR: unable to write runtime file: $!";
		2818	};
2545		2819	}
		2820
2546	# my $AFTER = Event::time;	2821	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#	2822	# warn $AFTER - $NOW;#d#
2548		2823
2549	# if we are delayed by four ticks or more, skip them all	2824	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2551		2826
2552	$TICK_WATCHER->at ($NEXT_TICK);	2827	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;	2828	$TICK_WATCHER->start;
		2829
		2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2831	$sig->send;
		2832	}
		2833	while (my $sig = shift @WAIT_FOR_TICK) {
		2834	$sig->send;
		2835	}
		2836
		2837	_post_tick;
2554	},	2838	},
2555	);	2839	);
2556		2840
		2841	{
		2842	BDB::max_poll_time $TICK * 0.1;
		2843	$BDB_POLL_WATCHER = Event->io (
		2844	reentrant => 0,
		2845	fd => BDB::poll_fileno,
		2846	poll => 'r',
		2847	prio => 0,
		2848	data => WF_AUTOCANCEL,
		2849	cb => \&BDB::poll_cb,
		2850	);
		2851	BDB::min_parallel 8;
		2852
		2853	BDB::set_sync_prepare {
		2854	my $status;
		2855	my $current = $Coro::current;
		2856	(
		2857	sub {
		2858	$status = $!;
		2859	$current->ready; undef $current;
		2860	},
		2861	sub {
		2862	Coro::schedule while defined $current;
		2863	$! = $status;
		2864	},
		2865	)
		2866	};
		2867
		2868	unless ($DB_ENV) {
		2869	$DB_ENV = BDB::db_env_create;
		2870
		2871	cf::sync_job {
		2872	eval {
		2873	BDB::db_env_open
		2874	$DB_ENV,
		2875	$BDB_ENV_DIR,
		2876	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN
		2877	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,
		2878	0666;
		2879
		2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2881
		2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC, 1);
		2883	$DB_ENV->set_lk_detect;
		2884	};
		2885
		2886	cf::cleanup "db_env_open(db): $@" if $@;
		2887	};
		2888	}
		2889	}
		2890
		2891	{
		2892	IO::AIO::min_parallel 8;
		2893
		2894	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	2895	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	2896	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	2897	reentrant => 0,
		2898	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	2899	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	2900	poll => 'r',
2564	prio => 6,	2901	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	2902	cb => \&IO::AIO::poll_cb,
2567	);	2903	);
		2904	}
2568		2905
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	2906	# load additional modules
2570	reentrant => 0,	2907	use cf::pod;
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		2908
2581	END { cf::emergency_save }	2909	END { cf::emergency_save }
2582		2910
2583	1	2911	1
2584		2912

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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 1.251 by root, Wed Apr 18 14:45:13 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 1.251 by root, Wed Apr 18 14:45:13 2007 UTC