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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.250 by root, Wed Apr 18 14:24:10 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 3.3 ();	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;
		67	our $USE_FSYNC = 1; # use fsync to write maps - default off
		68
		69	our $BDB_POLL_WATCHER;
		70	our $DB_ENV;
53		71
54	our %CFG;	72	our %CFG;
55		73
56	our $UPTIME; $UPTIME ||= time;	74	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	75	our $RUNTIME;
58		76
59	our %PLAYER; # all users	77	our %PLAYER; # all users
60	our %MAP; # all maps	78	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	79	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";	80	our $RANDOM_MAPS = cf::localdir . "/random";
63		81	our $BDB_ENV_DIR = cf::localdir . "/db";
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		82
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		85
70	binmode STDOUT;	86	binmode STDOUT;
…		…
80	mkdir cf::localdir;	96	mkdir cf::localdir;
81	mkdir cf::localdir . "/" . cf::playerdir;	97	mkdir cf::localdir . "/" . cf::playerdir;
82	mkdir cf::localdir . "/" . cf::tmpdir;	98	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;	99	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;	100	mkdir $RANDOM_MAPS;
		101	mkdir $BDB_ENV_DIR;
85		102
86	our $EMERGENCY_POSITION;	103	our $EMERGENCY_POSITION;
		104
		105	sub cf::map::normalise;
87		106
88	#############################################################################	107	#############################################################################
89		108
90	=head2 GLOBAL VARIABLES	109	=head2 GLOBAL VARIABLES
91		110
…		…
116	=item %cf::CFG	135	=item %cf::CFG
117		136
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	137	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	138	from wherever your confdir points to.
120		139
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	140	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		141
123	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
124	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
125	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.
126	window of cpu time available, or simply to synchronise to the server tick.
127		145
128	=back	146	=back
129		147
130	=cut	148	=cut
131		149
132	BEGIN {	150	BEGIN {
133	*CORE::GLOBAL::warn = sub {	151	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	152	my $msg = join "", @_;
135	utf8::encode $msg;
136		153
137	$msg .= "\n"	154	$msg .= "\n"
138	unless $msg =~ /\n$/;	155	unless $msg =~ /\n$/;
139		156
		157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		158
		159	utf8::encode $msg;
140	LOG llevError, $msg;	160	LOG llevError, $msg;
141	};	161	};
142	}	162	}
143		163
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
190	$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;
191	$d	211	$d
192	} || "[unable to dump $_[0]: '$@']";	212	} || "[unable to dump $_[0]: '$@']";
193	}	213	}
194		214
195	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
196		216
197	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
198		218
199	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
200		220
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
209		222
210	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
211
212	=cut
213
214	sub to_json($) {
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
216	JSON::Syck::Dump $_[0]
217	}
218		224
219	=item cf::lock_wait $string	225	=item cf::lock_wait $string
220		226
221	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
222		228
…		…
261	sub freeze_mainloop {	267	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
263		269
264	my $guard = Coro::guard {	270	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	271	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	272	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
270	$guard	274	$guard
271	}	275	}
272		276
273	=item cf::async { BLOCK }	277	=item cf::async { BLOCK }
…		…
344		348
345	$coro	349	$coro
346	}	350	}
347		351
348	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
349	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
350		356
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
352	or return;	358	or return;
353		359
		360	my $value = $cf::RUNTIME + 90 + 10;
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;	365	and return;
357		366
		367	# always fsync - this file is important
358	aio_fsync $fh	368	aio_fsync $fh
359	and return;	369	and return;
360		370
361	close $fh	371	close $fh
362	or return;	372	or return;
363		373
364	aio_rename "$runtime~", $runtime	374	aio_rename "$runtime~", $runtime
365	and return;	375	and return;
366		376
367	1	377	1
		378	}
		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	389	}
369		390
370	=back	391	=back
371		392
372	=cut	393	=cut
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	525	our @CB_MAP = ();
505		526
506	my %attachment;	527	my %attachment;
507		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
508	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
510		537
511	use sort 'stable';	538	use sort 'stable';
512		539
…		…
741	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
742		769
743	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
747	close $fh;	774	close $fh;
748		775
749	if (@$objs) {	776	if (@$objs) {
750	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
751	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
754	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
755	close $fh;	782	close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
757	}	784	}
758	} else {	785	} else {
759	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
938	}	965	}
939		966
940	sub path($) {	967	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		969
943	(playerdir $login) . "/$login.pl"	970	(playerdir $login) . "/playerdata"
944	}	971	}
945		972
946	sub find_active($) {	973	sub find_active($) {
947	$cf::PLAYER{$_[0]}	974	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	975	and $cf::PLAYER{$_[0]}->active
…		…
951		978
952	sub exists($) {	979	sub exists($) {
953	my ($login) = @_;	980	my ($login) = @_;
954		981
955	$cf::PLAYER{$login}	982	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	983	or cf::sync_job { !aio_stat path $login }
957	}	984	}
958		985
959	sub find($) {	986	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	987	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	988	my $login = $_[0];
962		989
963	my $guard = cf::lock_acquire "user_find:$login";	990	my $guard = cf::lock_acquire "user_find:$login";
964		991
965	$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
966	my $pl = load_pl path $login	1000	my $pl = load_pl path $login
967	or return;	1001	or return;
968	$cf::PLAYER{$login} = $pl	1002	$cf::PLAYER{$login} = $pl
969	}	1003	}
970	}	1004	}
…		…
1007		1041
1008	=cut	1042	=cut
1009		1043
1010	sub quit_character {	1044	sub quit_character {
1011	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1012		1048
1013	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1014	$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
1015		1051
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1021	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1059	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1025	$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
1026	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;
1027	}	1083	}
1028		1084
1029	=item cf::player::list_logins	1085	=item cf::player::list_logins
1030		1086
1031	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
…		…
1059	=cut	1115	=cut
1060		1116
1061	sub maps($) {	1117	sub maps($) {
1062	my ($pl) = @_;	1118	my ($pl) = @_;
1063		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
		1121
1064	my $files = aio_readdir playerdir $pl	1122	my $files = aio_readdir playerdir $pl
1065	or return;	1123	or return;
1066		1124
1067	my @paths;	1125	my @paths;
1068		1126
1069	for (@$files) {	1127	for (@$files) {
1070	utf8::decode $_;	1128	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1129	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1130	next unless /^$PATH_SEP/o;
1073		1131
1074	s/\.map$//;	1132	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1133	}
1077		1134
1078	\@paths	1135	\@paths
1079	}	1136	}
1080		1137
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1082		1139
1083	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1084		1141
1085	=cut	1142	=cut
1086		1143
1087	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1088	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1089		1146
1090	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1091		1148
1092	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
1093	}	1150	}
1094		1151
1095	package cf;	1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		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	}
1096		1192
1097	=back	1193	=back
1098
1099		1194
1100	=head3 cf::map	1195	=head3 cf::map
1101		1196
1102	=over 4	1197	=over 4
1103		1198
…		…
1107		1202
1108	use Fcntl;	1203	use Fcntl;
1109	use Coro::AIO;	1204	use Coro::AIO;
1110		1205
1111	use overload	1206	use overload
1112	'""' => \&as_string;	1207	'""' => \&as_string,
		1208	fallback => 1;
1113		1209
1114	our $MAX_RESET = 3600;	1210	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1211	our $DEFAULT_RESET = 3000;
1116		1212
1117	sub generate_random_map {	1213	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1119
1120	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1216	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1124	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1227	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1228	)
1134	}	1229	}
1135		1230
		1231	=item cf::map->register ($regex, $prio)
		1232
		1233	Register a handler for the map path matching the given regex at the
		1234	givne priority (higher is better, built-in handlers have priority 0, the
		1235	default).
		1236
		1237	=cut
		1238
1136	sub register {	1239	sub register {
1137	my (undef, $regex) = @_;	1240	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1241	my $pkg = caller;
1139		1242
1140	no strict;	1243	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1244	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1245
1143	$EXT_MAP{$pkg} = qr<$regex>;	1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1247	}
1145		1248
1146	# also paths starting with '/'	1249	# also paths starting with '/'
1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1251
		1252	sub thawer_merge {
		1253	my ($self, $merge) = @_;
		1254
		1255	# we have to keep some variables in memory intact
		1256	local $self->{path};
		1257	local $self->{load_path};
		1258	local $self->{deny_save};
		1259	local $self->{deny_reset};
		1260
		1261	$self->SUPER::thawer_merge ($merge);
		1262	}
1148		1263
1149	sub normalise {	1264	sub normalise {
1150	my ($path, $base) = @_;	1265	my ($path, $base) = @_;
		1266
		1267	$path = "$path"; # make sure its a string
		1268
		1269	$path =~ s/\.map$//;
1151		1270
1152	# map plan:	1271	# map plan:
1153	#	1272	#
1154	# /! non-realised random map exit (special hack!)	1273	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1274	# {... are special paths that are not being touched
…		…
1183		1302
1184	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1303	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185		1304
1186	$path = normalise $path, $base;	1305	$path = normalise $path, $base;
1187		1306
1188	for my $pkg (keys %EXT_MAP) {	1307	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1308	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1309	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1310	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1311	$self->init; # pass $1 etc.
1193	return $self;	1312	return $self;
1194	}	1313	}
1195	}	1314	}
1196		1315
1197	Carp::carp "unable to resolve path '$path'.";	1316	Carp::carp "unable to resolve path '$path' (base '$base').";
1198	()	1317	()
1199	}	1318	}
1200		1319
1201	sub init {	1320	sub init {
1202	my ($self) = @_;	1321	my ($self) = @_;
…		…
1217		1336
1218	# the original (read-only) location	1337	# the original (read-only) location
1219	sub load_path {	1338	sub load_path {
1220	my ($self) = @_;	1339	my ($self) = @_;
1221		1340
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1223	}	1342	}
1224		1343
1225	# the temporary/swap location	1344	# the temporary/swap location
1226	sub save_path {	1345	sub save_path {
1227	my ($self) = @_;	1346	my ($self) = @_;
1228		1347
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1231	}	1350	}
1232		1351
1233	# the unique path, undef == no special unique path	1352	# the unique path, undef == no special unique path
1234	sub uniq_path {	1353	sub uniq_path {
1235	my ($self) = @_;	1354	my ($self) = @_;
…		…
1249		1368
1250	sub unlink_save {	1369	sub unlink_save {
1251	my ($self) = @_;	1370	my ($self) = @_;
1252		1371
1253	utf8::encode (my $save = $self->save_path);	1372	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1374	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1375	}
1257		1376
1258	sub load_header_from($) {	1377	sub load_header_from($) {
1259	my ($self, $path) = @_;	1378	my ($self, $path) = @_;
1260		1379
1261	utf8::encode $path;	1380	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
1263	or return;	1382	# or return;
1264		1383
1265	$self->_load_header ($path)	1384	$self->_load_header ($path)
1266	or return;	1385	or return;
1267		1386
1268	$self->{load_path} = $path;	1387	$self->{load_path} = $path;
1269		1388
1270	1	1389	1
1271	}	1390	}
1272		1391
1273	sub load_orig {	1392	sub load_header_orig {
1274	my ($self) = @_;	1393	my ($self) = @_;
1275		1394
1276	$self->load_header_from ($self->load_path)	1395	$self->load_header_from ($self->load_path)
1277	}	1396	}
1278		1397
1279	sub load_temp {	1398	sub load_header_temp {
1280	my ($self) = @_;	1399	my ($self) = @_;
1281		1400
1282	$self->load_header_from ($self->save_path)	1401	$self->load_header_from ($self->save_path)
		1402	}
		1403
		1404	sub prepare_temp {
		1405	my ($self) = @_;
		1406
		1407	$self->last_access ((delete $self->{last_access})
		1408	|| $cf::RUNTIME); #d#
		1409	# safety
		1410	$self->{instantiate_time} = $cf::RUNTIME
		1411	if $self->{instantiate_time} > $cf::RUNTIME;
		1412	}
		1413
		1414	sub prepare_orig {
		1415	my ($self) = @_;
		1416
		1417	$self->{load_original} = 1;
		1418	$self->{instantiate_time} = $cf::RUNTIME;
		1419	$self->last_access ($cf::RUNTIME);
		1420	$self->instantiate;
1283	}	1421	}
1284		1422
1285	sub load_header {	1423	sub load_header {
1286	my ($self) = @_;	1424	my ($self) = @_;
1287		1425
1288	if ($self->load_temp) {	1426	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	1427	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	1428	} else {
1295	$self->load_orig	1429	$self->load_header_orig
1296	or return;	1430	or return;
1297		1431	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	1432	}
		1433
		1434	$self->default_region (cf::region::find_by_path $self->{path})
		1435	unless $self->default_region;
1303		1436
1304	1	1437	1
1305	}	1438	}
1306		1439
1307	sub find;	1440	sub find;
…		…
1320	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1321		1454
1322	$map->load_header	1455	$map->load_header
1323	or return;	1456	or return;
1324		1457
1325	if ($map->should_reset) {	1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1459	# doing this can freeze the server in a sync job, obviously
		1460	#$cf::WAIT_FOR_TICK->wait;
1326	$map->reset;	1461	$map->reset;
1327	undef $guard;	1462	undef $guard;
1328	$map = find $path	1463	return find $path;
1329	or return;
1330	}	1464	}
1331		1465
1332	$cf::MAP{$path} = $map	1466	$cf::MAP{$path} = $map
1333	}	1467	}
1334	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1335		1472
1336	sub load {	1473	sub load {
1337	my ($self) = @_;	1474	my ($self) = @_;
1338		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1339	my $path = $self->{path};	1478	my $path = $self->{path};
1340	my $guard = cf::lock_acquire "map_load:$path";	1479	my $guard = cf::lock_acquire "map_load:$path";
1341		1480
1342	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1343		1482
1344	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1345		1484
1346	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488	Coro::cede;
		1489
1347	$self->_load_objects ($self->{load_path}, 1)	1490	$self->_load_objects ($self->{load_path}, 1)
1348	or return;	1491	or return;
1349		1492
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1351	if delete $self->{load_original};	1494	if delete $self->{load_original};
…		…
1357	$self->_load_objects ($uniq, 0);	1500	$self->_load_objects ($uniq, 0);
1358	}	1501	}
1359	}	1502	}
1360		1503
1361	Coro::cede;	1504	Coro::cede;
1362
1363	# now do the right thing for maps	1505	# now do the right thing for maps
1364	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
		1507	Coro::cede;
1365		1508
1366	unless ($self->{deny_activate}) {	1509	unless ($self->{deny_activate}) {
1367	$self->decay_objects;	1510	$self->decay_objects;
1368	$self->fix_auto_apply;	1511	$self->fix_auto_apply;
1369	$self->update_buttons;	1512	$self->update_buttons;
…		…
1371	$self->set_darkness_map;	1514	$self->set_darkness_map;
1372	$self->difficulty ($self->estimate_difficulty)	1515	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	1516	unless $self->difficulty;
1374	Coro::cede;	1517	Coro::cede;
1375	$self->activate;	1518	$self->activate;
		1519	Coro::cede;
1376	}	1520	}
		1521
		1522	$self->post_load;
		1523	Coro::cede;
1377		1524
1378	$self->in_memory (cf::MAP_IN_MEMORY);	1525	$self->in_memory (cf::MAP_IN_MEMORY);
1379	}	1526	}
1380		1527
1381	sub customise_for {	1528	sub customise_for {
…		…
1422		1569
1423	cf::sync_job { $map->load };	1570	cf::sync_job { $map->load };
1424	}	1571	}
1425		1572
1426	our %MAP_PREFETCH;	1573	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	1574	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		1575
1440	sub find_async {	1576	sub find_async {
1441	my ($path, $origin) = @_;	1577	my ($path, $origin) = @_;
1442		1578
1443	$path = normalise $path, $origin && $origin->{path};	1579	$path = normalise $path, $origin && $origin->{path};
1444		1580
1445	if (my $map = $cf::MAP{$path}) {	1581	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1447	}	1583	}
1448		1584
1449	$MAP_PREFETCH{$path} = 0;	1585	undef $MAP_PREFETCH{$path};
		1586	$MAP_PREFETCHER ||= cf::async {
		1587	while (%MAP_PREFETCH) {
		1588	for my $path (keys %MAP_PREFETCH) {
		1589	my $map = find $path
		1590	or next;
		1591	$map->load;
		1592
		1593	delete $MAP_PREFETCH{$path};
		1594	}
		1595	}
		1596	undef $MAP_PREFETCHER;
		1597	};
1450	$MAP_PREFETCHER->ready;	1598	$MAP_PREFETCHER->prio (6);
1451		1599
1452	()	1600	()
1453	}	1601	}
1454		1602
1455	sub save {	1603	sub save {
…		…
1515	my ($self) = @_;	1663	my ($self) = @_;
1516		1664
1517	$self->reset_at <= $cf::RUNTIME	1665	$self->reset_at <= $cf::RUNTIME
1518	}	1666	}
1519		1667
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	1668	sub reset {
1535	my ($self) = @_;	1669	my ($self) = @_;
1536		1670
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	1671	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		1672
1539	return if $self->players;	1673	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#	1674	return if $self->isa ("ext::map_per_player");#d#
1541		1675
1542	warn "resetting map ", $self->path;#d#	1676	warn "resetting map ", $self->path;#d#
1543		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
1544	delete $cf::MAP{$self->path};	1688	delete $cf::MAP{$self->path};
1545		1689
1546	$self->in_memory (cf::MAP_SWAPPED);
1547	$self->clear;	1690	$self->clear;
1548		1691
1549	$_->clear_links_to ($self) for values %cf::MAP;	1692	$_->clear_links_to ($self) for values %cf::MAP;
1550		1693
1551	$self->unlink_save;	1694	$self->unlink_save;
…		…
1555	my $nuke_counter = "aaaa";	1698	my $nuke_counter = "aaaa";
1556		1699
1557	sub nuke {	1700	sub nuke {
1558	my ($self) = @_;	1701	my ($self) = @_;
1559		1702
		1703	delete $cf::MAP{$self->path};
		1704
		1705	$self->unlink_save;
		1706
		1707	bless $self, "cf::map";
		1708	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	1709	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	1710	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1712
		1713	$cf::MAP{$self->path} = $self;
		1714
1563	$self->reset; # polite request, might not happen	1715	$self->reset; # polite request, might not happen
1564	}	1716	}
1565		1717
1566	=item cf::map::unique_maps	1718	=item cf::map::unique_maps
1567		1719
…		…
1579	for (@$files) {	1731	for (@$files) {
1580	utf8::decode $_;	1732	utf8::decode $_;
1581	next if /\.pst$/;	1733	next if /\.pst$/;
1582	next unless /^$PATH_SEP/o;	1734	next unless /^$PATH_SEP/o;
1583		1735
1584	s/\.map$//;	1736	push @paths, cf::map::normalise $_;
1585	push @paths, $_;
1586	}	1737	}
1587		1738
1588	\@paths	1739	\@paths
1589	}	1740	}
1590		1741
…		…
1684	=cut	1835	=cut
1685		1836
1686	sub link_map {	1837	sub link_map {
1687	unless ($LINK_MAP) {	1838	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	1839	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1840	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	1841	$LINK_MAP->load;
1691	}	1842	}
1692		1843
1693	$LINK_MAP	1844	$LINK_MAP
1694	}	1845	}
…		…
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	1852	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		1853
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	1855	if $self->map;
1705		1856
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1707	}	1858	}
1708		1859
1709	sub cf::object::player::leave_link {	1860	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	1861	my ($self, $map, $x, $y) = @_;
1711		1862
…		…
1733	$map->load;	1884	$map->load;
1734	$map->load_diag;	1885	$map->load_diag;
1735		1886
1736	return unless $self->contr->active;	1887	return unless $self->contr->active;
1737	$self->activate_recursive;	1888	$self->activate_recursive;
		1889
		1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	1891	$self->enter_map ($map, $x, $y);
1739	}	1892	}
1740		1893
1741	cf::player->attach (	1894	cf::player->attach (
1742	on_logout => sub {	1895	on_logout => sub {
…		…
1755	# try to abort aborted map switching on player login :)	1908	# try to abort aborted map switching on player login :)
1756	# should happen only on crashes	1909	# should happen only on crashes
1757	if ($pl->ob->{_link_pos}) {	1910	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;	1911	$pl->ob->enter_link;
1759	(async {	1912	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,	1913	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "	1914	"There was an internal problem at your last logout, "
1764	. "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.",
1765	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
1766	Coro::Timer::sleep 1;	1919	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;	1920	$pl->ob->leave_link;
1768	})->prio (2);	1921	})->prio (2);
1769	}	1922	}
1770	},	1923	},
…		…
1778	my ($self, $path, $x, $y) = @_;	1931	my ($self, $path, $x, $y) = @_;
1779		1932
1780	$self->enter_link;	1933	$self->enter_link;
1781		1934
1782	(async {	1935	(async {
		1936	my $map = eval {
1783	my $map = cf::map::find $path;	1937	my $map = cf::map::find $path;
1784	$map = $map->customise_for ($self) if $map;	1938	$map = $map->customise_for ($self) if $map;
1785		1939	$map
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	1940	} or
1787	# if $map;
1788
1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1790		1942
1791	$self->leave_link ($map, $x, $y);	1943	$self->leave_link ($map, $x, $y);
1792	})->prio (1);	1944	})->prio (1);
1793	}	1945	}
1794		1946
…		…
1798		1950
1799	sub parse_random_map_params {	1951	sub parse_random_map_params {
1800	my ($spec) = @_;	1952	my ($spec) = @_;
1801		1953
1802	my $rmp = { # defaults	1954	my $rmp = { # defaults
1803	xsize => 10,	1955	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	1956	ysize => (cf::rndm 15, 40),
		1957	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1958	#layout => string,
1805	};	1959	};
1806		1960
1807	for (split /\n/, $spec) {	1961	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	1962	my ($k, $v) = split /\s+/, $_, 2;
1809		1963
…		…
1813	$rmp	1967	$rmp
1814	}	1968	}
1815		1969
1816	sub prepare_random_map {	1970	sub prepare_random_map {
1817	my ($exit) = @_;	1971	my ($exit) = @_;
		1972
		1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1818		1974
1819	# all this does is basically replace the /! path by	1975	# all this does is basically replace the /! path by
1820	# a new random map path (?random/...) with a seed	1976	# a new random map path (?random/...) with a seed
1821	# that depends on the exit object	1977	# that depends on the exit object
1822		1978
1823	my $rmp = parse_random_map_params $exit->msg;	1979	my $rmp = parse_random_map_params $exit->msg;
1824		1980
1825	if ($exit->map) {	1981	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	1982	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	1983	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	1984	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	1985	$rmp->{origin_y} = $exit->y;
1830	}	1986	}
1831		1987
1832	$rmp->{random_seed} ||= $exit->random_seed;	1988	$rmp->{random_seed} ||= $exit->random_seed;
1833		1989
1834	my $data = cf::to_json $rmp;	1990	my $data = cf::to_json $rmp;
1835	my $md5 = Digest::MD5::md5_hex $data;	1991	my $md5 = Digest::MD5::md5_hex $data;
		1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1836		1993
1837	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838	aio_write $fh, 0, (length $data), $data, 0;	1995	aio_write $fh, 0, (length $data), $data, 0;
		1996	undef $fh;
		1997	aio_rename "$meta~", $meta;
1839		1998
1840	$exit->slaying ("?random/$md5");	1999	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2000	$exit->msg (undef);
1842	}	2001	}
1843	}	2002	}
1844		2003
1845	sub cf::object::player::enter_exit {	2004	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2005	my ($self, $exit) = @_;
1847		2006
1848	return unless $self->type == cf::PLAYER;	2007	return unless $self->type == cf::PLAYER;
		2008
		2009	if ($exit->slaying eq "/!") {
		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
		2013	cf::sync_job { prepare_random_map $exit };
		2014	}
		2015
		2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2017	my $hp = $exit->stats->hp;
		2018	my $sp = $exit->stats->sp;
1849		2019
1850	$self->enter_link;	2020	$self->enter_link;
1851		2021
1852	(async {	2022	(async {
1853	$self->deactivate_recursive; # just to be sure	2023	$self->deactivate_recursive; # just to be sure
1854	unless (eval {	2024	unless (eval {
1855	prepare_random_map $exit	2025	$self->goto ($slaying, $hp, $sp);
1856	if $exit->slaying eq "/!";
1857
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1860		2026
1861	1;	2027	1;
1862	}) {	2028	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2029	$self->message ("Something went wrong deep within the crossfire server. "
1864	. "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. "
1865	. "Please report this to the dungeon master!",	2031	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2032	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2033
1868	warn "ERROR in enter_exit: $@";	2034	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2035	$self->leave_link;
1870	}	2036	}
1871	})->prio (1);	2037	})->prio (1);
…		…
1884		2050
1885	sub cf::client::send_drawinfo {	2051	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2052	my ($self, $text, $flags) = @_;
1887		2053
1888	utf8::encode $text;	2054	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2056	}
1891		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	}
1892		2070
1893	=item $success = $client->query ($flags, "text", \&cb)	2071	=item $success = $client->query ($flags, "text", \&cb)
1894		2072
1895	Queues a query to the client, calling the given callback with	2073	Queues a query to the client, calling the given callback with
1896	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>,
…		…
1925	# get handled first	2103	# get handled first
1926	my $queue = delete $ns->{query_queue}	2104	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	2105	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		2106
1929	(shift @$queue)->[1]->($msg);	2107	(shift @$queue)->[1]->($msg);
		2108	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		2109
1931	push @{ $ns->{query_queue} }, @$queue;	2110	push @{ $ns->{query_queue} }, @$queue;
1932		2111
1933	if (@{ $ns->{query_queue} } == @$queue) {	2112	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	2113	if (@$queue) {
…		…
1992		2171
1993	# here we export the classes and methods available to script code	2172	# here we export the classes and methods available to script code
1994		2173
1995	=pod	2174	=pod
1996		2175
1997	The following fucntions and emthods are available within a safe environment:	2176	The following functions and methods are available within a safe environment:
1998		2177
1999	cf::object contr pay_amount pay_player map	2178	cf::object contr pay_amount pay_player map
2000	cf::object::player player	2179	cf::object::player player
2001	cf::player peaceful	2180	cf::player peaceful
2002	cf::map trigger	2181	cf::map trigger
…		…
2087	#############################################################################	2266	#############################################################################
2088		2267
2089	=head2 EXTENSION DATABASE SUPPORT	2268	=head2 EXTENSION DATABASE SUPPORT
2090		2269
2091	Crossfire maintains a very simple database for extension use. It can	2270	Crossfire maintains a very simple database for extension use. It can
2092	currently store anything that can be serialised using Storable, which	2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2093	excludes objects.	2272	convert to/from binary).
2094		2273
2095	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
2096	using it, it should be unique.	2275	using it, it should be unique.
2097		2276
2098	=over 4	2277	=over 4
2099		2278
2100	=item $hashref = cf::db_get $family
2101
2102	Return a hashref for use by the extension C<$family>, which can be
2103	modified. After modifications, you have to call C<cf::db_dirty> or
2104	C<cf::db_sync>.
2105
2106	=item $value = cf::db_get $family => $key	2279	=item $value = cf::db_get $family => $key
2107		2280
2108	Returns a single value from the database	2281	Returns a single value from the database.
2109
2110	=item cf::db_put $family => $hashref
2111
2112	Stores the given family hashref into the database. Updates are delayed, if
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114		2282
2115	=item cf::db_put $family => $key => $value	2283	=item cf::db_put $family => $key => $value
2116		2284
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you	2285	Stores the given C<$value> in the family.
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127		2286
2128	=cut	2287	=cut
2129		2288
2130	our $DB;	2289	our $DB;
2131		2290
2132	{	2291	sub db_init {
2133	my $path = cf::localdir . "/database.pst";	2292	unless ($DB) {
		2293	$DB = BDB::db_create $DB_ENV;
2134		2294
2135	sub db_load() {	2295	cf::sync_job {
2136	$DB = stat $path ? Storable::retrieve $path : { };	2296	eval {
2137	}	2297	$DB->set_flags (BDB::CHKSUM);
2138		2298
2139	my $pid;	2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2140		2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2141	sub db_save() {	2301	cf::cleanup "db_open(db): $!" if $!;
2142	waitpid $pid, 0 if $pid;	2302	};
2143	if (0 == ($pid = fork)) {	2303	cf::cleanup "db_open(db): $@" if $@;
2144	$DB->{_meta}{version} = 1;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}	2304	};
2149	}
2150
2151	my $dirty;
2152
2153	sub db_sync() {
2154	db_save if $dirty;
2155	undef $dirty;
2156	}
2157
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159	db_sync;
2160	});	2305	}
		2306	}
2161		2307
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}
2166
2167	sub db_get($;$) {	2308	sub db_get($$) {
2168	@_ >= 2	2309	my $key = "$_[0]/$_[1]";
2169	? $DB->{$_[0]}{$_[1]}
2170	: ($DB->{$_[0]} ||= { })
2171	}
2172		2310
		2311	cf::sync_job {
		2312	BDB::db_get $DB, undef, $key, my $data;
		2313
		2314	$! ? ()
		2315	: $data
		2316	}
		2317	}
		2318
2173	sub db_put($$;$) {	2319	sub db_put($$$) {
2174	if (@_ >= 3) {	2320	BDB::dbreq_pri 4;
2175	$DB->{$_[0]}{$_[1]} = $_[2];	2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2176	} else {	2322	}
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181		2323
2182	cf::global->attach (	2324	=item cf::cache $id => [$paths...], $processversion => $process
2183	prio => 10000,	2325
2184	on_cleanup => sub {	2326	Generic caching function that returns the value of the resource $id,
2185	db_sync;	2327	caching and regenerating as required.
		2328
		2329	This function can block.
		2330
		2331	=cut
		2332
		2333	sub cache {
		2334	my ($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 "$src->[$_]: $!";
2186	},	2356	}
2187	);	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"
2188	}	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	eval {
		2420	local $SIG{__DIE__};
		2421	local $SIG{__WARN__};
		2422	close $fh1;
		2423
		2424	my @res = eval { $cb->(@args) };
		2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2426	};
		2427
		2428	_exit 0;
		2429	}
		2430	}
		2431
		2432
2189		2433
2190	#############################################################################	2434	#############################################################################
2191	# the server's main()	2435	# the server's init and main functions
		2436
		2437	sub load_facedata($) {
		2438	my ($path) = @_;
		2439
		2440	warn "loading facedata from $path\n";
		2441
		2442	my $facedata;
		2443	0 < aio_load $path, $facedata
		2444	or die "$path: $!";
		2445
		2446	$facedata = Coro::Storable::thaw $facedata;
		2447
		2448	$facedata->{version} == 2
		2449	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2450
		2451	{
		2452	my $faces = $facedata->{faceinfo};
		2453
		2454	while (my ($face, $info) = each %$faces) {
		2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2459	Coro::cede;
		2460	}
		2461
		2462	while (my ($face, $info) = each %$faces) {
		2463	next unless $info->{smooth};
		2464	my $idx = cf::face::find $face
		2465	or next;
		2466	if (my $smooth = cf::face::find $info->{smooth}) {
		2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2468	} else {
		2469	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2470	}
		2471	Coro::cede;
		2472	}
		2473	}
		2474
		2475	{
		2476	my $anims = $facedata->{animinfo};
		2477
		2478	while (my ($anim, $info) = each %$anims) {
		2479	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2480	Coro::cede;
		2481	}
		2482
		2483	cf::anim::invalidate_all; # d'oh
		2484	}
		2485
		2486	1
		2487	}
		2488
		2489	sub reload_facedata {
		2490	load_facedata sprintf "%s/facedata", cf::datadir
		2491	or die "unable to load facedata\n";
		2492	}
		2493
		2494	sub reload_regions {
		2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2496	or die "unable to load regions file\n";
		2497	}
		2498
		2499	sub reload_archetypes {
		2500	load_resource_file sprintf "%s/archetypes", cf::datadir
		2501	or die "unable to load archetypes\n";
		2502	}
		2503
		2504	sub reload_treasures {
		2505	load_resource_file sprintf "%s/treasures", cf::datadir
		2506	or die "unable to load treasurelists\n";
		2507	}
		2508
		2509	sub reload_resources {
		2510	warn "reloading resource files...\n";
		2511
		2512	reload_regions;
		2513	reload_facedata;
		2514	reload_archetypes;
		2515	reload_treasures;
		2516
		2517	warn "finished reloading resource files\n";
		2518	}
		2519
		2520	sub init {
		2521	reload_resources;
		2522	}
2192		2523
2193	sub cfg_load {	2524	sub cfg_load {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	2525	open my $fh, "<:utf8", cf::confdir . "/config"
2195	or return;	2526	or return;
2196		2527
…		…
2213		2544
2214	sub main {	2545	sub main {
2215	# we must not ever block the main coroutine	2546	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	2547	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2548	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2549	(async {
2218	async { Event::one_event };	2550	Event::one_event;
		2551	})->prio (Coro::PRIO_MAX);
2219	};	2552	};
2220		2553
2221	cfg_load;	2554	cfg_load;
2222	db_load;	2555	db_init;
2223	load_extensions;	2556	load_extensions;
		2557
		2558	$TICK_WATCHER->start;
2224	Event::loop;	2559	Event::loop;
2225	}	2560	}
2226		2561
2227	#############################################################################	2562	#############################################################################
2228	# initialisation and cleanup	2563	# initialisation and cleanup
2229		2564
2230	# install some emergency cleanup handlers	2565	# install some emergency cleanup handlers
2231	BEGIN {	2566	BEGIN {
2232	for my $signal (qw(INT HUP TERM)) {	2567	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	2568	Event->signal (
		2569	reentrant => 0,
2234	data => WF_AUTOCANCEL,	2570	data => WF_AUTOCANCEL,
2235	signal => $signal,	2571	signal => $signal,
		2572	prio => 0,
2236	cb => sub {	2573	cb => sub {
2237	cf::cleanup "SIG$signal";	2574	cf::cleanup "SIG$signal";
2238	},	2575	},
2239	);	2576	);
2240	}	2577	}
2241	}	2578	}
…		…
2262	my $map = $cf::MAP{$path} or next;	2599	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	2600	$map->valid or next;
2264	$map->save;	2601	$map->save;
2265	}	2602	}
2266	warn "end emergency map save\n";	2603	warn "end emergency map save\n";
		2604
		2605	warn "begin emergency database checkpoint\n";
		2606	BDB::db_env_txn_checkpoint $DB_ENV;
		2607	warn "end emergency database checkpoint\n";
2267	};	2608	};
2268		2609
2269	warn "leave emergency perl save\n";	2610	warn "leave emergency perl save\n";
2270	}	2611	}
2271		2612
		2613	sub post_cleanup {
		2614	my ($make_core) = @_;
		2615
		2616	warn Carp::longmess "post_cleanup backtrace"
		2617	if $make_core;
		2618	}
		2619
2272	sub reload() {	2620	sub do_reload_perl() {
2273	# can/must only be called in main	2621	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	2622	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	2623	warn "can only reload from main coroutine";
2276	return;	2624	return;
2277	}	2625	}
2278		2626
2279	warn "reloading...";	2627	warn "reloading...";
2280		2628
2281	warn "freezing server";	2629	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	2630
		2631	cf::sync_job {
		2632	cf::write_runtime; # external watchdog should not bark
2283	cf::emergency_save;	2633	cf::emergency_save;
		2634	cf::write_runtime; # external watchdog should not bark
2284		2635
2285	warn "sync database to disk";	2636	warn "syncing database to disk";
2286	cf::db_sync;	2637	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		2638
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved	2639	# if anything goes wrong in here, we should simply crash as we already saved
2291		2640
2292	warn "cancel all watchers";	2641	warn "cancelling all WF_AUTOCANCEL watchers";
2293	for (Event::all_watchers) {	2642	for (Event::all_watchers) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	2643	$_->cancel if $_->data & WF_AUTOCANCEL;
2295	}	2644	}
2296		2645
		2646	warn "flushing outstanding aio requests";
		2647	for (;;) {
		2648	BDB::flush;
		2649	IO::AIO::flush;
		2650	Coro::cede;
		2651	last unless IO::AIO::nreqs || BDB::nreqs;
		2652	warn "iterate...";
		2653	}
		2654
		2655	++$RELOAD;
		2656
2297	warn "cancel all extension coros";	2657	warn "cancelling all extension coros";
2298	$_->cancel for values %EXT_CORO;	2658	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();	2659	%EXT_CORO = ();
2300		2660
2301	warn "remove commands";	2661	warn "removing commands";
2302	%COMMAND = ();	2662	%COMMAND = ();
2303		2663
2304	warn "remove ext commands";	2664	warn "removing ext commands";
2305	%EXTCMD = ();	2665	%EXTCMD = ();
2306		2666
2307	warn "unload/nuke all extensions";	2667	warn "unloading/nuking all extensions";
2308	for my $pkg (@EXTS) {	2668	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";	2669	warn "... unloading $pkg";
2310		2670
2311	if (my $cb = $pkg->can ("unload")) {	2671	if (my $cb = $pkg->can ("unload")) {
2312	eval {	2672	eval {
…		…
2317		2677
2318	warn "... nuking $pkg";	2678	warn "... nuking $pkg";
2319	Symbol::delete_package $pkg;	2679	Symbol::delete_package $pkg;
2320	}	2680	}
2321		2681
2322	warn "unload all perl modules loaded from $LIBDIR";	2682	warn "unloading all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {	2683	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325		2685
2326	warn "removing <$k>";	2686	warn "... unloading $k";
2327	delete $INC{$k};	2687	delete $INC{$k};
2328		2688
2329	$k =~ s/\.pm$//;	2689	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;	2690	$k =~ s/\//::/g;
2331		2691
…		…
2334	}	2694	}
2335		2695
2336	Symbol::delete_package $k;	2696	Symbol::delete_package $k;
2337	}	2697	}
2338		2698
2339	warn "get rid of safe::, as good as possible";	2699	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	2700	Symbol::delete_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		2702
2343	warn "unload cf.pm \"a bit\"";	2703	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	2704	delete $INC{"cf.pm"};
2345		2705
2346	# don't, removes xs symbols, too,	2706	# don't, removes xs symbols, too,
2347	# and global variables created in xs	2707	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	2708	#Symbol::delete_package __PACKAGE__;
2349		2709
		2710	warn "unload completed, starting to reload now";
		2711
2350	warn "reloading cf.pm";	2712	warn "reloading cf.pm";
2351	require cf;	2713	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		2715
2354	warn "load config and database again";	2716	warn "loading config and database again";
2355	cf::cfg_load;	2717	cf::cfg_load;
2356	cf::db_load;
2357		2718
2358	warn "load extensions";	2719	warn "loading extensions";
2359	cf::load_extensions;	2720	cf::load_extensions;
2360		2721
2361	warn "reattach attachments to objects/players";	2722	warn "reattaching attachments to objects/players";
2362	_global_reattach;	2723	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	2724	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	2725	reattach $_ for values %MAP;
2365	};	2726	warn "reattaching attachments to players";
		2727	reattach $_ for values %PLAYER;
2366		2728
2367	if ($@) {	2729	warn "leaving sync_job";
		2730
		2731	1
		2732	} or do {
2368	warn $@;	2733	warn $@;
2369	warn "error while reloading, exiting.";	2734	warn "error while reloading, exiting.";
2370	exit 1;	2735	exit 1;
2371	}	2736	};
2372		2737
2373	warn "reloaded";	2738	warn "reloaded";
2374	};	2739	};
2375		2740
		2741	our $RELOAD_WATCHER; # used only during reload
		2742
		2743	sub reload_perl() {
		2744	# doing reload synchronously and two reloads happen back-to-back,
		2745	# coro crashes during coro_state_free->destroy here.
		2746
		2747	$RELOAD_WATCHER ||= Event->timer (
		2748	reentrant => 0,
		2749	after => 0,
		2750	data => WF_AUTOCANCEL,
		2751	cb => sub {
		2752	do_reload_perl;
		2753	undef $RELOAD_WATCHER;
		2754	},
		2755	);
		2756	}
		2757
2376	register_command "reload" => sub {	2758	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	2759	my ($who, $arg) = @_;
2378		2760
2379	if ($who->flag (FLAG_WIZ)) {	2761	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	2762	$who->message ("reloading server.");
		2763	async { reload_perl };
2383	}	2764	}
2384	};	2765	};
2385		2766
2386	unshift @INC, $LIBDIR;	2767	unshift @INC, $LIBDIR;
		2768
		2769	my $bug_warning = 0;
		2770
		2771	our @WAIT_FOR_TICK;
		2772	our @WAIT_FOR_TICK_BEGIN;
		2773
		2774	sub wait_for_tick {
		2775	return unless $TICK_WATCHER->is_active;
		2776	return if $Coro::current == $Coro::main;
		2777
		2778	my $signal = new Coro::Signal;
		2779	push @WAIT_FOR_TICK, $signal;
		2780	$signal->wait;
		2781	}
		2782
		2783	sub wait_for_tick_begin {
		2784	return unless $TICK_WATCHER->is_active;
		2785	return if $Coro::current == $Coro::main;
		2786
		2787	my $signal = new Coro::Signal;
		2788	push @WAIT_FOR_TICK_BEGIN, $signal;
		2789	$signal->wait;
		2790	}
2387		2791
2388	$TICK_WATCHER = Event->timer (	2792	$TICK_WATCHER = Event->timer (
2389	reentrant => 0,	2793	reentrant => 0,
		2794	parked => 1,
2390	prio => 0,	2795	prio => 0,
2391	at => $NEXT_TICK || $TICK,	2796	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,	2797	data => WF_AUTOCANCEL,
2393	cb => sub {	2798	cb => sub {
		2799	if ($Coro::current != $Coro::main) {
		2800	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2801	unless ++$bug_warning > 10;
		2802	return;
		2803	}
		2804
2394	$NOW = Event::time;	2805	$NOW = Event::time;
2395		2806
2396	cf::server_tick; # one server iteration	2807	cf::server_tick; # one server iteration
		2808
2397	$RUNTIME += $TICK;	2809	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;	2810	$NEXT_TICK += $TICK;
2399		2811
2400	$WAIT_FOR_TICK->broadcast;	2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2813	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2814	Coro::async_pool {
		2815	write_runtime
		2816	or warn "ERROR: unable to write runtime file: $!";
		2817	};
		2818	}
		2819
		2820	# my $AFTER = Event::time;
		2821	# warn $AFTER - $NOW;#d#
2402		2822
2403	# if we are delayed by four ticks or more, skip them all	2823	# if we are delayed by four ticks or more, skip them all
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2405		2825
2406	$TICK_WATCHER->at ($NEXT_TICK);	2826	$TICK_WATCHER->at ($NEXT_TICK);
2407	$TICK_WATCHER->start;	2827	$TICK_WATCHER->start;
		2828
		2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2830	$sig->send;
		2831	}
		2832	while (my $sig = shift @WAIT_FOR_TICK) {
		2833	$sig->send;
		2834	}
		2835
		2836	_post_tick;
2408	},	2837	},
2409	);	2838	);
2410		2839
		2840	{
		2841	BDB::max_poll_time $TICK * 0.1;
		2842	$BDB_POLL_WATCHER = Event->io (
		2843	reentrant => 0,
		2844	fd => BDB::poll_fileno,
		2845	poll => 'r',
		2846	prio => 0,
		2847	data => WF_AUTOCANCEL,
		2848	cb => \&BDB::poll_cb,
		2849	);
		2850	BDB::min_parallel 8;
		2851
		2852	BDB::set_sync_prepare {
		2853	my $status;
		2854	my $current = $Coro::current;
		2855	(
		2856	sub {
		2857	$status = $!;
		2858	$current->ready; undef $current;
		2859	},
		2860	sub {
		2861	Coro::schedule while defined $current;
		2862	$! = $status;
		2863	},
		2864	)
		2865	};
		2866
		2867	unless ($DB_ENV) {
		2868	$DB_ENV = BDB::db_env_create;
		2869
		2870	cf::sync_job {
		2871	eval {
		2872	BDB::db_env_open
		2873	$DB_ENV,
		2874	$BDB_ENV_DIR,
		2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2877	0666;
		2878
		2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2880
		2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2882	$DB_ENV->set_lk_detect;
		2883	};
		2884
		2885	cf::cleanup "db_env_open(db): $@" if $@;
		2886	};
		2887	}
		2888	}
		2889
		2890	{
		2891	IO::AIO::min_parallel 8;
		2892
		2893	undef $Coro::AIO::WATCHER;
2411	IO::AIO::max_poll_time $TICK * 0.2;	2894	IO::AIO::max_poll_time $TICK * 0.1;
2412
2413	$AIO_POLL_WATCHER = Event->io (	2895	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,	2896	reentrant => 0,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,	2897	data => WF_AUTOCANCEL,
2423	after => 0,	2898	fd => IO::AIO::poll_fileno,
2424	interval => 10,	2899	poll => 'r',
2425	cb => sub {	2900	prio => 6,
2426	(Coro::unblock_sub {	2901	cb => \&IO::AIO::poll_cb,
2427	write_runtime	2902	);
2428	or warn "ERROR: unable to write runtime file: $!";	2903	}
2429	})->();	2904
2430	},	2905	# load additional modules
2431	);	2906	use cf::pod;
2432		2907
2433	END { cf::emergency_save }	2908	END { cf::emergency_save }
2434		2909
2435	1	2910	1
2436		2911

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