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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.229 by root, Sun Apr 1 00:36:34 2007 UTC vs.
Revision 1.277 by root, Sun Jun 10 04:24:50 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;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.61 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
21		24
22	use BDB ();	25	use BDB ();
23	use Data::Dumper;	26	use Data::Dumper;
24	use Digest::MD5;	27	use Digest::MD5;
25	use Fcntl;	28	use Fcntl;
…		…
28	use Time::HiRes;	31	use Time::HiRes;
29	use Compress::LZF;	32	use Compress::LZF;
30		33
31	# configure various modules to our taste	34	# configure various modules to our taste
32	#	35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		39
36	$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
37		41
…		…
50	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
52		56
53	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
54	our @EVENT;	58	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		59
57	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58	our $TICK_WATCHER;	73	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	76	our $NEXT_TICK;
62	our $NOW;	77	our $NOW;
…		…
71	our $RUNTIME;	86	our $RUNTIME;
72		87
73	our %PLAYER; # all users	88	our %PLAYER; # all users
74	our %MAP; # all maps	89	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		91
82	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
		98
85	binmode STDOUT;	99	binmode STDOUT;
86	binmode STDERR;	100	binmode STDERR;
87		101
88	# read virtual server time, if available	102	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
93	}	107	}
94		108
95	mkdir cf::localdir;	109	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		111
102	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
103		113
104	sub cf::map::normalise;	114	sub cf::map::normalise;
105		115
…		…
116	=item $cf::RUNTIME	126	=item $cf::RUNTIME
117		127
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	129	every server tick.
120		130
121	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		134
123	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
125		139
126	=item $cf::NOW	140	=item $cf::NOW
127		141
128	The time of the last (current) server tick.	142	The time of the last (current) server tick.
129		143
130	=item $cf::TICK	144	=item $cf::TICK
131		145
132	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
133		157
134	=item %cf::CFG	158	=item %cf::CFG
135		159
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	161	from wherever your confdir points to.
138		162
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		164
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.
145		168
146	=back	169	=back
147		170
148	=cut	171	=cut
149		172
150	BEGIN {	173	BEGIN {
151	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	175	my $msg = join "", @_;
153	utf8::encode $msg;
154		176
155	$msg .= "\n"	177	$msg .= "\n"
156	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
157		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
158	LOG llevError, $msg;	183	LOG llevError, $msg;
159	};	184	};
160	}	185	}
161		186
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		194
169	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	196	# within the Safe compartment.
171	for my $pkg (qw(	197	for my $pkg (qw(
172	cf::global cf::attachable	198	cf::global cf::attachable
…		…
232	returned.	258	returned.
233		259
234	Lock names should begin with a unique identifier (for example, cf::map::find	260	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
236		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
237	=cut	267	=cut
238		268
239	our %LOCK;	269	our %LOCK;
240		270
241	sub lock_wait($) {	271	sub lock_wait($) {
…		…
258		288
259	Coro::guard {	289	Coro::guard {
260	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
262	}	292	}
		293	}
		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
263	}	299	}
264		300
265	sub freeze_mainloop {	301	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
267		303
…		…
297		333
298	sub sync_job(&) {	334	sub sync_job(&) {
299	my ($job) = @_;	335	my ($job) = @_;
300		336
301	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
302	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
304		342
305	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
317		355
318	while ($busy) {	356	while ($busy) {
319	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
320	}	358	}
321		359
		360	$time = Event::time - $time;
		361
		362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		364
		365	$tick_start += $time; # do not account sync jobs to server load
		366
322	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
323	} else {	368	} else {
324	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
325		370
326	$job->()	371	$job->()
…		…
346		391
347	$coro	392	$coro
348	}	393	}
349		394
350	sub write_runtime {	395	sub write_runtime {
		396	my $runtime = "$LOCALDIR/runtime";
		397
		398	# first touch the runtime file to show we are still running:
		399	# the fsync below can take a very very long time.
		400
		401	IO::AIO::aio_utime $runtime, undef, undef;
		402
351	my $guard = cf::lock_acquire "write_runtime";	403	my $guard = cf::lock_acquire "write_runtime";
352
353	my $runtime = cf::localdir . "/runtime";
354		404
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
356	or return;	406	or return;
357		407
358	my $value = $cf::RUNTIME + 90 + 10;	408	my $value = $cf::RUNTIME + 90 + 10;
…		…
364		414
365	# always fsync - this file is important	415	# always fsync - this file is important
366	aio_fsync $fh	416	aio_fsync $fh
367	and return;	417	and return;
368		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
369	close $fh	422	close $fh
370	or return;	423	or return;
371		424
372	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
373	and return;	426	and return;
374		427
		428	warn "runtime file written.\n";
		429
375	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	442	}
377		443
378	=back	444	=back
379		445
380	=cut	446	=cut
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
561		627
562	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		632
567	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	634	my $pkg = shift @arg;
569		635
570	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
611	if (ref $_[0]) {	677	if (ref $_[0]) {
612	_object_attach @_;	678	_object_attach @_;
613	} else {	679	} else {
614	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
615	}	681	}
		682	_recalc_want;
616	};	683	};
617		684
618	# all those should be optimised	685	# all those should be optimised
619	sub cf::attachable::detach {	686	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
624	reattach ($obj);	691	reattach ($obj);
625	} else {	692	} else {
626	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
627	}	694	}
		695	_recalc_want;
628	};	696	};
629		697
630	sub cf::attachable::attached {	698	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
632		700
…		…
805	or return;	873	or return;
806	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
807	}	875	}
808		876
809	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
811	return ($data, $av);	879	return ($data, $av);
812	}	880	}
813		881
814	#############################################################################	882	#############################################################################
815	# command handling &c	883	# command handling &c
…		…
942	Returns the given player object, loading it if necessary (might block).	1010	Returns the given player object, loading it if necessary (might block).
943		1011
944	=cut	1012	=cut
945		1013
946	sub playerdir($) {	1014	sub playerdir($) {
947	cf::localdir	1015	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1016	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1017	}
953		1018
954	sub path($) {	1019	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1020	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1021
957	(playerdir $login) . "/$login.pl"	1022	(playerdir $login) . "/playerdata"
958	}	1023	}
959		1024
960	sub find_active($) {	1025	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1026	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1027	and $cf::PLAYER{$_[0]}->active
…		…
975	my $login = $_[0];	1040	my $login = $_[0];
976		1041
977	my $guard = cf::lock_acquire "user_find:$login";	1042	my $guard = cf::lock_acquire "user_find:$login";
978		1043
979	$cf::PLAYER{$_[0]} || do {	1044	$cf::PLAYER{$_[0]} || do {
		1045	# rename old playerfiles to new ones
		1046	#TODO: remove when no longer required
		1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1050	aio_unlink +(playerdir $login) . "/$login.pl";
		1051
980	my $pl = load_pl path $login	1052	my $pl = load_pl path $login
981	or return;	1053	or return;
982	$cf::PLAYER{$login} = $pl	1054	$cf::PLAYER{$login} = $pl
983	}	1055	}
984	}	1056	}
…		…
1068	while and may block, so not sync_job-capable, ever.	1140	while and may block, so not sync_job-capable, ever.
1069		1141
1070	=cut	1142	=cut
1071		1143
1072	sub list_logins {	1144	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1145	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1146	or return [];
1075		1147
1076	my @logins;	1148	my @logins;
1077		1149
1078	for my $login (@$dirs) {	1150	for my $login (@$dirs) {
…		…
1113	}	1185	}
1114		1186
1115	\@paths	1187	\@paths
1116	}	1188	}
1117		1189
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1190	=item $player->ext_reply ($msgid, %msg)
1119		1191
1120	Sends an ext reply to the player.	1192	Sends an ext reply to the player.
1121		1193
1122	=cut	1194	=cut
1123		1195
1124	sub ext_reply($$$%) {	1196	sub ext_reply($$%) {
1125	my ($self, $id, %msg) = @_;	1197	my ($self, $id, %msg) = @_;
1126		1198
1127	$msg{msgid} = $id;	1199	$msg{msgid} = $id;
1128		1200
1129	$self->send ("ext " . cf::to_json \%msg);	1201	$self->send ("ext " . cf::to_json \%msg);
1130	}	1202	}
1131		1203
1132	package cf;	1204	=item $player->ext_event ($type, %msg)
		1205
		1206	Sends an ext event to the client.
		1207
		1208	=cut
		1209
		1210	sub ext_event($$%) {
		1211	my ($self, $type, %msg) = @_;
		1212
		1213	$self->ns->ext_event ($type, %msg);
		1214	}
		1215
		1216	=head3 cf::region
		1217
		1218	=over 4
		1219
		1220	=cut
		1221
		1222	package cf::region;
		1223
		1224	=item cf::region::find_by_path $path
		1225
		1226	Tries to decuce the probable region for a map knowing only its path.
		1227
		1228	=cut
		1229
		1230	sub find_by_path($) {
		1231	my ($path) = @_;
		1232
		1233	my ($match, $specificity);
		1234
		1235	for my $region (list) {
		1236	if ($region->match && $path =~ $region->match) {
		1237	($match, $specificity) = ($region, $region->specificity)
		1238	if $region->specificity > $specificity;
		1239	}
		1240	}
		1241
		1242	$match
		1243	}
1133		1244
1134	=back	1245	=back
1135
1136		1246
1137	=head3 cf::map	1247	=head3 cf::map
1138		1248
1139	=over 4	1249	=over 4
1140		1250
…		…
1195	my ($self, $merge) = @_;	1305	my ($self, $merge) = @_;
1196		1306
1197	# we have to keep some variables in memory intact	1307	# we have to keep some variables in memory intact
1198	local $self->{path};	1308	local $self->{path};
1199	local $self->{load_path};	1309	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1310
1203	$self->SUPER::thawer_merge ($merge);	1311	$self->SUPER::thawer_merge ($merge);
1204	}	1312	}
1205		1313
1206	sub normalise {	1314	sub normalise {
…		…
1278		1386
1279	# the original (read-only) location	1387	# the original (read-only) location
1280	sub load_path {	1388	sub load_path {
1281	my ($self) = @_;	1389	my ($self) = @_;
1282		1390
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1391	"$MAPDIR/$self->{path}.map"
1284	}	1392	}
1285		1393
1286	# the temporary/swap location	1394	# the temporary/swap location
1287	sub save_path {	1395	sub save_path {
1288	my ($self) = @_;	1396	my ($self) = @_;
1289		1397
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1399	"$TMPDIR/$path.map"
1292	}	1400	}
1293		1401
1294	# the unique path, undef == no special unique path	1402	# the unique path, undef == no special unique path
1295	sub uniq_path {	1403	sub uniq_path {
1296	my ($self) = @_;	1404	my ($self) = @_;
1297		1405
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1407	"$UNIQUEDIR/$path"
1300	}	1408	}
1301		1409
1302	# and all this just because we cannot iterate over	1410	# and all this just because we cannot iterate over
1303	# all maps in C++...	1411	# all maps in C++...
1304	sub change_all_map_light {	1412	sub change_all_map_light {
1305	my ($change) = @_;	1413	my ($change) = @_;
1306		1414
1307	$_->change_map_light ($change)	1415	$_->change_map_light ($change)
1308	for grep $_->outdoor, values %cf::MAP;	1416	for grep $_->outdoor, values %cf::MAP;
		1417	}
		1418
		1419	sub decay_objects {
		1420	my ($self) = @_;
		1421
		1422	return if $self->{deny_reset};
		1423
		1424	$self->do_decay_objects;
1309	}	1425	}
1310		1426
1311	sub unlink_save {	1427	sub unlink_save {
1312	my ($self) = @_;	1428	my ($self) = @_;
1313		1429
…		…
1371	$self->load_header_orig	1487	$self->load_header_orig
1372	or return;	1488	or return;
1373	$self->prepare_orig;	1489	$self->prepare_orig;
1374	}	1490	}
1375		1491
		1492	$self->{deny_reset} = 1
		1493	if $self->no_reset;
		1494
		1495	$self->default_region (cf::region::find_by_path $self->{path})
		1496	unless $self->default_region;
		1497
1376	1	1498	1
1377	}	1499	}
1378		1500
1379	sub find;	1501	sub find;
1380	sub find {	1502	sub find {
…		…
1392	$map->{last_save} = $cf::RUNTIME;	1514	$map->{last_save} = $cf::RUNTIME;
1393		1515
1394	$map->load_header	1516	$map->load_header
1395	or return;	1517	or return;
1396		1518
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1520	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1521	#$cf::WAIT_FOR_TICK->wait;
1400	$map->reset;	1522	$map->reset;
1401	undef $guard;	1523	undef $guard;
1402	return find $path;	1524	return find $path;
…		…
1413	my ($self) = @_;	1535	my ($self) = @_;
1414		1536
1415	local $self->{deny_reset} = 1; # loading can take a long time	1537	local $self->{deny_reset} = 1; # loading can take a long time
1416		1538
1417	my $path = $self->{path};	1539	my $path = $self->{path};
		1540
		1541	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1542	my $guard = cf::lock_acquire "map_load:$path";
1419		1543
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1544	return if $self->in_memory != cf::MAP_SWAPPED;
1421		1545
1422	$self->in_memory (cf::MAP_LOADING);	1546	$self->in_memory (cf::MAP_LOADING);
1423		1547
1424	$self->alloc;	1548	$self->alloc;
1425		1549
1426	$self->pre_load;	1550	$self->pre_load;
1427
1428	$self->_load_objects ($self->{load_path}, 1)
1429	or return;
1430
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};
1433
1434	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {
1437	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);
1439	}
1440	}
1441
1442	Coro::cede;
1443
1444	# now do the right thing for maps
1445	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;	1551	Coro::cede;
1452	$self->set_darkness_map;	1552
		1553	$self->_load_objects ($self->{load_path}, 1)
		1554	or return;
		1555
		1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1557	if delete $self->{load_original};
		1558
		1559	if (my $uniq = $self->uniq_path) {
		1560	utf8::encode $uniq;
		1561	if (aio_open $uniq, O_RDONLY, 0) {
		1562	$self->clear_unique_items;
		1563	$self->_load_objects ($uniq, 0);
		1564	}
		1565	}
		1566
		1567	Coro::cede;
		1568	# now do the right thing for maps
		1569	$self->link_multipart_objects;
1453	$self->difficulty ($self->estimate_difficulty)	1570	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1571	unless $self->difficulty;
1455	Coro::cede;	1572	Coro::cede;
		1573
		1574	unless ($self->{deny_activate}) {
		1575	$self->decay_objects;
		1576	$self->fix_auto_apply;
		1577	$self->update_buttons;
		1578	Coro::cede;
		1579	$self->set_darkness_map;
		1580	Coro::cede;
1456	$self->activate;	1581	$self->activate;
		1582	}
		1583
		1584	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1585	}
1458		1586
1459	$self->post_load;	1587	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1588	}
1463		1589
1464	sub customise_for {	1590	sub customise_for {
1465	my ($self, $ob) = @_;	1591	my ($self, $ob) = @_;
1466		1592
1467	return find "~" . $ob->name . "/" . $self->{path}	1593	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1594	if $self->per_player;
		1595
		1596	# return find "?party/" . $ob->name . "/" . $self->{path}
		1597	# if $self->per_party;
1469		1598
1470	$self	1599	$self
1471	}	1600	}
1472		1601
1473	# find and load all maps in the 3x3 area around a map	1602	# find and load all maps in the 3x3 area around a map
…		…
1584		1713
1585	sub reset_at {	1714	sub reset_at {
1586	my ($self) = @_;	1715	my ($self) = @_;
1587		1716
1588	# TODO: safety, remove and allow resettable per-player maps	1717	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	1718	return 1e99 if $self->{deny_reset};
1591		1719
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1720	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1721	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		1722
…		…
1605	my ($self) = @_;	1733	my ($self) = @_;
1606		1734
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	1735	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		1736
1609	return if $self->players;	1737	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		1738
1612	warn "resetting map ", $self->path;#d#	1739	warn "resetting map ", $self->path;
1613		1740
1614	$self->in_memory (cf::MAP_SWAPPED);	1741	$self->in_memory (cf::MAP_SWAPPED);
1615		1742
1616	# need to save uniques path	1743	# need to save uniques path
1617	unless ($self->{deny_save}) {	1744	unless ($self->{deny_save}) {
…		…
1649	$cf::MAP{$self->path} = $self;	1776	$cf::MAP{$self->path} = $self;
1650		1777
1651	$self->reset; # polite request, might not happen	1778	$self->reset; # polite request, might not happen
1652	}	1779	}
1653		1780
		1781	=item $maps = cf::map::tmp_maps
		1782
		1783	Returns an arrayref with all map paths of currently instantiated and saved
		1784	maps. May block.
		1785
		1786	=cut
		1787
		1788	sub tmp_maps() {
		1789	[
		1790	map {
		1791	utf8::decode $_;
		1792	/\.map$/
		1793	? normalise $_
		1794	: ()
		1795	} @{ aio_readdir $TMPDIR or [] }
		1796	]
		1797	}
		1798
		1799	=item $maps = cf::map::random_maps
		1800
		1801	Returns an arrayref with all map paths of currently instantiated and saved
		1802	random maps. May block.
		1803
		1804	=cut
		1805
		1806	sub random_maps() {
		1807	[
		1808	map {
		1809	utf8::decode $_;
		1810	/\.map$/
		1811	? normalise "?random/$_"
		1812	: ()
		1813	} @{ aio_readdir $RANDOMDIR or [] }
		1814	]
		1815	}
		1816
1654	=item cf::map::unique_maps	1817	=item cf::map::unique_maps
1655		1818
1656	Returns an arrayref of paths of all shared maps that have	1819	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	1820	instantiated unique items. May block.
1658		1821
1659	=cut	1822	=cut
1660		1823
1661	sub unique_maps() {	1824	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1825	[
1663	or return;	1826	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	1827	utf8::decode $_;
1669	next if /\.pst$/;	1828	/\.map$/
1670	next unless /^$PATH_SEP/o;	1829	? normalise $_
1671		1830	: ()
1672	push @paths, cf::map::normalise $_;	1831	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	1832	]
1674
1675	\@paths
1676	}	1833	}
1677		1834
1678	package cf;	1835	package cf;
1679		1836
1680	=back	1837	=back
…		…
1786	$self->deactivate_recursive;	1943	$self->deactivate_recursive;
1787		1944
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	1945	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		1946
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1947	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	1948	if $self->map && $self->map->{path} ne "{link}";
1792		1949
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1950	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	1951	}
1795		1952
1796	sub cf::object::player::leave_link {	1953	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	1954	my ($self, $map, $x, $y) = @_;
		1955
		1956	return unless $self->contr->active;
1798		1957
1799	my $link_pos = delete $self->{_link_pos};	1958	my $link_pos = delete $self->{_link_pos};
1800		1959
1801	unless ($map) {	1960	unless ($map) {
1802	# restore original map position	1961	# restore original map position
…		…
1825		1984
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	1986	$self->enter_map ($map, $x, $y);
1828	}	1987	}
1829		1988
1830	cf::player->attach (
1831	on_logout => sub {
1832	my ($pl) = @_;
1833
1834	# abort map switching before logout
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)	1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1863		1990
		1991	Moves the player to the given map-path and coordinates by first freezing
		1992	her, loading and preparing them map, calling the provided $check callback
		1993	that has to return the map if sucecssful, and then unfreezes the player on
		1994	the new (success) or old (failed) map position.
		1995
1864	=cut	1996	=cut
		1997
		1998	our $GOTOGEN;
1865		1999
1866	sub cf::object::player::goto {	2000	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2001	my ($self, $path, $x, $y, $check) = @_;
		2002
		2003	# do generation counting so two concurrent goto's will be executed in-order
		2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2005
1869	$self->enter_link;	2006	$self->enter_link;
1870		2007
1871	(async {	2008	(async {
1872	my $map = eval {	2009	my $map = eval {
1873	my $map = cf::map::find $path;	2010	my $map = cf::map::find $path;
		2011
		2012	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2013	$map = $map->customise_for ($self);
		2014	$map = $check->($map) if $check && $map;
		2015	} else {
		2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2017	}
		2018
1875	$map	2019	$map
		2020	};
		2021
		2022	if ($@) {
		2023	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2024	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2025	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2026
		2027	if ($gen == $self->{_goto_generation}) {
		2028	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2029	$self->leave_link ($map, $x, $y);
		2030	}
1880	})->prio (1);	2031	})->prio (1);
1881	}	2032	}
1882		2033
1883	=item $player_object->enter_exit ($exit_object)	2034	=item $player_object->enter_exit ($exit_object)
1884		2035
…		…
1923		2074
1924	$rmp->{random_seed} ||= $exit->random_seed;	2075	$rmp->{random_seed} ||= $exit->random_seed;
1925		2076
1926	my $data = cf::to_json $rmp;	2077	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2078	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2079	my $meta = "$RANDOMDIR/$md5.meta";
1929		2080
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2082	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2083	undef $fh;
1933	aio_rename "$meta~", $meta;	2084	aio_rename "$meta~", $meta;
…		…
1942		2093
1943	return unless $self->type == cf::PLAYER;	2094	return unless $self->type == cf::PLAYER;
1944		2095
1945	if ($exit->slaying eq "/!") {	2096	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2097	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2098	# the problem is that $exit might not survive long enough
		2099	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2100	cf::sync_job { prepare_random_map $exit };
1948	}	2101	}
1949		2102
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2103	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2104	my $hp = $exit->stats->hp;
…		…
1959	$self->goto ($slaying, $hp, $sp);	2112	$self->goto ($slaying, $hp, $sp);
1960		2113
1961	1;	2114	1;
1962	}) {	2115	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2116	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2117	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2118	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2119	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2120
1968	warn "ERROR in enter_exit: $@";	2121	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2122	$self->leave_link;
1970	}	2123	}
1971	})->prio (1);	2124	})->prio (1);
…		…
1987		2140
1988	utf8::encode $text;	2141	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2143	}
1991		2144
		2145	=item $client->ext_event ($type, %msg)
		2146
		2147	Sends an exti event to the client.
		2148
		2149	=cut
		2150
		2151	sub cf::client::ext_event($$%) {
		2152	my ($self, $type, %msg) = @_;
		2153
		2154	$msg{msgtype} = "event_$type";
		2155	$self->send_packet ("ext " . cf::to_json \%msg);
		2156	}
1992		2157
1993	=item $success = $client->query ($flags, "text", \&cb)	2158	=item $success = $client->query ($flags, "text", \&cb)
1994		2159
1995	Queues a query to the client, calling the given callback with	2160	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2188	#############################################################################	2353	#############################################################################
2189		2354
2190	=head2 EXTENSION DATABASE SUPPORT	2355	=head2 EXTENSION DATABASE SUPPORT
2191		2356
2192	Crossfire maintains a very simple database for extension use. It can	2357	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which	2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2194	excludes objects.	2359	convert to/from binary).
2195		2360
2196	The parameter C<$family> should best start with the name of the extension	2361	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.	2362	using it, it should be unique.
2198		2363
2199	=over 4	2364	=over 4
…		…
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;	2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;	2388	cf::cleanup "db_open(db): $!" if $!;
2224	};	2389	};
2225	cf::cleanup "db_open(db): $@" if $@;	2390	cf::cleanup "db_open(db): $@" if $@;
2226	};	2391	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}	2392	}
2242	}	2393	}
2243		2394
2244	sub db_get($$) {	2395	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";	2396	my $key = "$_[0]/$_[1]";
2246		2397
2247	cf::sync_job {	2398	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;	2399	BDB::db_get $DB, undef, $key, my $data;
2249		2400
2250	$! ? ()	2401	$! ? ()
2251	: Compress::LZF::sthaw $data	2402	: $data
2252	}	2403	}
2253	}	2404	}
2254		2405
2255	sub db_put($$$) {	2406	sub db_put($$$) {
2256	BDB::dbreq_pri 4;	2407	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };	2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		2409	}
		2410
		2411	=item cf::cache $id => [$paths...], $processversion => $process
		2412
		2413	Generic caching function that returns the value of the resource $id,
		2414	caching and regenerating as required.
		2415
		2416	This function can block.
		2417
		2418	=cut
		2419
		2420	sub cache {
		2421	my ($id, $src, $processversion, $process) = @_;
		2422
		2423	my $meta =
		2424	join "\x00",
		2425	$processversion,
		2426	map {
		2427	aio_stat $_
		2428	and Carp::croak "$_: $!";
		2429
		2430	($_, (stat _)[7,9])
		2431	} @$src;
		2432
		2433	my $dbmeta = db_get cache => "$id/meta";
		2434	if ($dbmeta ne $meta) {
		2435	# changed, we may need to process
		2436
		2437	my @data;
		2438	my $md5;
		2439
		2440	for (0 .. $#$src) {
		2441	0 <= aio_load $src->[$_], $data[$_]
		2442	or Carp::croak "$src->[$_]: $!";
		2443	}
		2444
		2445	# if processing is expensive, check
		2446	# checksum first
		2447	if (1) {
		2448	$md5 =
		2449	join "\x00",
		2450	$processversion,
		2451	map {
		2452	Coro::cede;
		2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2454	} 0.. $#$src;
		2455
		2456
		2457	my $dbmd5 = db_get cache => "$id/md5";
		2458	if ($dbmd5 eq $md5) {
		2459	db_put cache => "$id/meta", $meta;
		2460
		2461	return db_get cache => "$id/data";
		2462	}
		2463	}
		2464
		2465	my $t1 = Time::HiRes::time;
		2466	my $data = $process->(\@data);
		2467	my $t2 = Time::HiRes::time;
		2468
		2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2470
		2471	db_put cache => "$id/data", $data;
		2472	db_put cache => "$id/md5" , $md5;
		2473	db_put cache => "$id/meta", $meta;
		2474
		2475	return $data;
		2476	}
		2477
		2478	db_get cache => "$id/data"
		2479	}
		2480
		2481	=item fork_call { }, $args
		2482
		2483	Executes the given code block with the given arguments in a seperate
		2484	process, returning the results. Everything must be serialisable with
		2485	Coro::Storable. May, of course, block. Note that the executed sub may
		2486	never block itself or use any form of Event handling.
		2487
		2488	=cut
		2489
		2490	sub fork_call(&@) {
		2491	my ($cb, @args) = @_;
		2492
		2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2494	# or die "socketpair: $!";
		2495	pipe my $fh1, my $fh2
		2496	or die "pipe: $!";
		2497
		2498	if (my $pid = fork) {
		2499	close $fh2;
		2500
		2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2502	$res = Coro::Storable::thaw $res;
		2503
		2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2505
		2506	die $$res unless "ARRAY" eq ref $res;
		2507
		2508	return wantarray ? @$res : $res->[-1];
		2509	} else {
		2510	reset_signals;
		2511	local $SIG{__WARN__};
		2512	local $SIG{__DIE__};
		2513	eval {
		2514	close $fh1;
		2515
		2516	my @res = eval { $cb->(@args) };
		2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2518	};
		2519
		2520	warn $@ if $@;
		2521	_exit 0;
		2522	}
2258	}	2523	}
2259		2524
2260	#############################################################################	2525	#############################################################################
2261	# the server's init and main functions	2526	# the server's init and main functions
2262		2527
2263	sub load_facedata {	2528	sub load_facedata($) {
2264	my $path = sprintf "%s/facedata", cf::datadir;	2529	my ($path) = @_;
2265		2530
2266	warn "loading facedata from $path\n";	2531	warn "loading facedata from $path\n";
2267		2532
2268	my $faces;	2533	my $facedata;
2269	0 < aio_load $path, $faces	2534	0 < aio_load $path, $facedata
2270	or die "$path: $!";	2535	or die "$path: $!";
2271		2536
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	2537	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		2538
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	2539	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	2540	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		2541
		2542	{
		2543	my $faces = $facedata->{faceinfo};
		2544
2280	while (my ($face, $info) = each %$faces) {	2545	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2284	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2285	Coro::cede;	2550	Coro::cede;
2286	}	2551	}
2287		2552
2288	while (my ($face, $info) = each %$faces) {	2553	while (my ($face, $info) = each %$faces) {
2289	next unless $info->{smooth};	2554	next unless $info->{smooth};
2290	my $idx = cf::face::find $face	2555	my $idx = cf::face::find $face
2291	or next;	2556	or next;
2292	if (my $smooth = cf::face::find $info->{smooth}) {	2557	if (my $smooth = cf::face::find $info->{smooth}) {
2293	cf::face::set_smooth $idx, $smooth;	2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2294	} else {	2559	} else {
2295	warn "smooth face '$info->{smooth}' not found for face '$face'";	2560	warn "smooth face '$info->{smooth}' not found for face '$face'";
2296	}	2561	}
2297	Coro::cede;	2562	Coro::cede;
		2563	}
		2564	}
		2565
		2566	{
		2567	my $anims = $facedata->{animinfo};
		2568
		2569	while (my ($anim, $info) = each %$anims) {
		2570	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2571	Coro::cede;
		2572	}
		2573
		2574	cf::anim::invalidate_all; # d'oh
2298	}	2575	}
2299		2576
2300	1	2577	1
2301	}	2578	}
2302		2579
		2580	sub reload_regions {
		2581	load_resource_file "$MAPDIR/regions"
		2582	or die "unable to load regions file\n";
		2583	}
		2584
		2585	sub reload_facedata {
		2586	load_facedata "$DATADIR/facedata"
		2587	or die "unable to load facedata\n";
		2588	}
		2589
		2590	sub reload_archetypes {
		2591	load_resource_file "$DATADIR/archetypes"
		2592	or die "unable to load archetypes\n";
		2593	}
		2594
		2595	sub reload_treasures {
		2596	load_resource_file "$DATADIR/treasures"
		2597	or die "unable to load treasurelists\n";
		2598	}
		2599
2303	sub reload_resources {	2600	sub reload_resources {
2304	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2601	warn "reloading resource files...\n";
2305	or die "unable to load regions file\n";#d#	2602
		2603	reload_regions;
2306	load_facedata	2604	reload_facedata;
2307	or die "unable to load facedata\n";#d#	2605	#reload_archetypes;#d#
		2606	reload_archetypes;
		2607	reload_treasures;
		2608
		2609	warn "finished reloading resource files\n";
2308	}	2610	}
2309		2611
2310	sub init {	2612	sub init {
2311	reload_resources;	2613	reload_resources;
2312	}	2614	}
2313		2615
2314	sub cfg_load {	2616	sub cfg_load {
2315	open my $fh, "<:utf8", cf::confdir . "/config"	2617	open my $fh, "<:utf8", "$CONFDIR/config"
2316	or return;	2618	or return;
2317		2619
2318	local $/;	2620	local $/;
2319	*CFG = YAML::Syck::Load <$fh>;	2621	*CFG = YAML::Syck::Load <$fh>;
2320		2622
…		…
2405		2707
2406	warn Carp::longmess "post_cleanup backtrace"	2708	warn Carp::longmess "post_cleanup backtrace"
2407	if $make_core;	2709	if $make_core;
2408	}	2710	}
2409		2711
2410	sub reload() {	2712	sub do_reload_perl() {
2411	# can/must only be called in main	2713	# can/must only be called in main
2412	if ($Coro::current != $Coro::main) {	2714	if ($Coro::current != $Coro::main) {
2413	warn "can only reload from main coroutine";	2715	warn "can only reload from main coroutine";
2414	return;	2716	return;
2415	}	2717	}
…		…
2490	Symbol::delete_package "safe::$_"	2792	Symbol::delete_package "safe::$_"
2491	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2793	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2492		2794
2493	warn "unloading cf.pm \"a bit\"";	2795	warn "unloading cf.pm \"a bit\"";
2494	delete $INC{"cf.pm"};	2796	delete $INC{"cf.pm"};
		2797	delete $INC{"cf/pod.pm"};
2495		2798
2496	# don't, removes xs symbols, too,	2799	# don't, removes xs symbols, too,
2497	# and global variables created in xs	2800	# and global variables created in xs
2498	#Symbol::delete_package __PACKAGE__;	2801	#Symbol::delete_package __PACKAGE__;
2499		2802
…		…
2514	warn "reattaching attachments to maps";	2817	warn "reattaching attachments to maps";
2515	reattach $_ for values %MAP;	2818	reattach $_ for values %MAP;
2516	warn "reattaching attachments to players";	2819	warn "reattaching attachments to players";
2517	reattach $_ for values %PLAYER;	2820	reattach $_ for values %PLAYER;
2518		2821
2519	warn "loading reloadable resources";
2520	reload_resources;
2521
2522	warn "leaving sync_job";	2822	warn "leaving sync_job";
2523		2823
2524	1	2824	1
2525	} or do {	2825	} or do {
2526	warn $@;	2826	warn $@;
…		…
2531	warn "reloaded";	2831	warn "reloaded";
2532	};	2832	};
2533		2833
2534	our $RELOAD_WATCHER; # used only during reload	2834	our $RELOAD_WATCHER; # used only during reload
2535		2835
		2836	sub reload_perl() {
		2837	# doing reload synchronously and two reloads happen back-to-back,
		2838	# coro crashes during coro_state_free->destroy here.
		2839
		2840	$RELOAD_WATCHER ||= Event->timer (
		2841	reentrant => 0,
		2842	after => 0,
		2843	data => WF_AUTOCANCEL,
		2844	cb => sub {
		2845	do_reload_perl;
		2846	undef $RELOAD_WATCHER;
		2847	},
		2848	);
		2849	}
		2850
2536	register_command "reload" => sub {	2851	register_command "reload" => sub {
2537	my ($who, $arg) = @_;	2852	my ($who, $arg) = @_;
2538		2853
2539	if ($who->flag (FLAG_WIZ)) {	2854	if ($who->flag (FLAG_WIZ)) {
2540	$who->message ("reloading server.");	2855	$who->message ("reloading server.");
2541		2856	async { reload_perl };
2542	# doing reload synchronously and two reloads happen back-to-back,
2543	# coro crashes during coro_state_free->destroy here.
2544
2545	$RELOAD_WATCHER ||= Event->timer (
2546	reentrant => 0,
2547	after => 0,
2548	data => WF_AUTOCANCEL,
2549	cb => sub {
2550	reload;
2551	undef $RELOAD_WATCHER;
2552	},
2553	);
2554	}	2857	}
2555	};	2858	};
2556		2859
2557	unshift @INC, $LIBDIR;	2860	unshift @INC, $LIBDIR;
2558		2861
2559	my $bug_warning = 0;	2862	my $bug_warning = 0;
2560		2863
		2864	our @WAIT_FOR_TICK;
		2865	our @WAIT_FOR_TICK_BEGIN;
		2866
		2867	sub wait_for_tick {
		2868	return unless $TICK_WATCHER->is_active;
		2869	return if $Coro::current == $Coro::main;
		2870
		2871	my $signal = new Coro::Signal;
		2872	push @WAIT_FOR_TICK, $signal;
		2873	$signal->wait;
		2874	}
		2875
		2876	sub wait_for_tick_begin {
		2877	return unless $TICK_WATCHER->is_active;
		2878	return if $Coro::current == $Coro::main;
		2879
		2880	my $signal = new Coro::Signal;
		2881	push @WAIT_FOR_TICK_BEGIN, $signal;
		2882	$signal->wait;
		2883	}
		2884
		2885	my $min = 1e6;#d#
		2886	my $avg = 10;
2561	$TICK_WATCHER = Event->timer (	2887	$TICK_WATCHER = Event->timer (
2562	reentrant => 0,	2888	reentrant => 0,
2563	parked => 1,	2889	parked => 1,
2564	prio => 0,	2890	prio => 0,
2565	at => $NEXT_TICK || $TICK,	2891	at => $NEXT_TICK || $TICK,
…		…
2569	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2895	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2570	unless ++$bug_warning > 10;	2896	unless ++$bug_warning > 10;
2571	return;	2897	return;
2572	}	2898	}
2573		2899
2574	$NOW = Event::time;	2900	$NOW = $tick_start = Event::time;
2575		2901
2576	cf::server_tick; # one server iteration	2902	cf::server_tick; # one server iteration
		2903
		2904	0 && sync_job {#d#
		2905	for(1..10) {
		2906	my $t = Event::time;
		2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2908	or die;
		2909
		2910	$map->width (50);
		2911	$map->height (50);
		2912	$map->alloc;
		2913	$map->_load_objects ("/tmp/x.map", 1);
		2914	my $t = Event::time - $t;
		2915
		2916	#next unless $t < 0.0013;#d#
		2917	if ($t < $min) {
		2918	$min = $t;
		2919	}
		2920	$avg = $avg * 0.99 + $t * 0.01;
		2921	}
		2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2923	exit 0;
		2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2925	};
		2926
2577	$RUNTIME += $TICK;	2927	$RUNTIME += $TICK;
2578	$NEXT_TICK += $TICK;	2928	$NEXT_TICK += $TICK;
2579		2929
2580	if ($NOW >= $NEXT_RUNTIME_WRITE) {	2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2581	$NEXT_RUNTIME_WRITE = $NOW + 10;	2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2583	write_runtime	2933	write_runtime
2584	or warn "ERROR: unable to write runtime file: $!";	2934	or warn "ERROR: unable to write runtime file: $!";
2585	};	2935	};
2586	}	2936	}
2587		2937
2588	$WAIT_FOR_TICK->broadcast;
2589	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2590
2591	# my $AFTER = Event::time;	2938	# my $AFTER = Event::time;
2592	# warn $AFTER - $NOW;#d#	2939	# warn $AFTER - $NOW;#d#
2593		2940
		2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2942	$sig->send;
		2943	}
		2944	while (my $sig = shift @WAIT_FOR_TICK) {
		2945	$sig->send;
		2946	}
		2947
		2948	$NOW = Event::time;
		2949
2594	# if we are delayed by four ticks or more, skip them all	2950	# if we are delayed by four ticks or more, skip them all
2595	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2596		2952
2597	$TICK_WATCHER->at ($NEXT_TICK);	2953	$TICK_WATCHER->at ($NEXT_TICK);
2598	$TICK_WATCHER->start;	2954	$TICK_WATCHER->start;
		2955
		2956	$LOAD = ($NOW - $tick_start) / $TICK;
		2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2958
		2959	_post_tick;
		2960
		2961
2599	},	2962	},
2600	);	2963	);
2601		2964
2602	{	2965	{
2603	BDB::max_poll_time $TICK * 0.1;	2966	BDB::max_poll_time $TICK * 0.1;
…		…
2631		2994
2632	cf::sync_job {	2995	cf::sync_job {
2633	eval {	2996	eval {
2634	BDB::db_env_open	2997	BDB::db_env_open
2635	$DB_ENV,	2998	$DB_ENV,
2636	$BDB_ENV_DIR,	2999	$BDBDIR,
2637	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2638	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2639	0666;	3002	0666;
2640		3003
2641	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2642		3005
2643	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2644	$DB_ENV->set_lk_detect;	3007	$DB_ENV->set_lk_detect;
2645	};	3008	};
2646		3009
…		…
2662	prio => 6,	3025	prio => 6,
2663	cb => \&IO::AIO::poll_cb,	3026	cb => \&IO::AIO::poll_cb,
2664	);	3027	);
2665	}	3028	}
2666		3029
		3030	my $_log_backtrace;
		3031
		3032	sub _log_backtrace {
		3033	my ($msg, @addr) = @_;
		3034
		3035	$msg =~ s/\n//;
		3036
		3037	# limit the # of concurrent backtraces
		3038	if ($_log_backtrace < 2) {
		3039	++$_log_backtrace;
		3040	async {
		3041	my @bt = fork_call {
		3042	@addr = map { sprintf "%x", $_ } @addr;
		3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3045	or die "addr2line: $!";
		3046
		3047	my @funcs;
		3048	my @res = <$fh>;
		3049	chomp for @res;
		3050	while (@res) {
		3051	my ($func, $line) = splice @res, 0, 2, ();
		3052	push @funcs, "[$func] $line";
		3053	}
		3054
		3055	@funcs
		3056	};
		3057
		3058	LOG llevInfo, "[ABT] $msg\n";
		3059	LOG llevInfo, "[ABT] $_\n" for @bt;
		3060	--$_log_backtrace;
		3061	};
		3062	} else {
		3063	LOG llevInfo, "[ABT] $msg\n";
		3064	LOG llevInfo, "[ABT] [suppressed]\n";
		3065	}
		3066	}
		3067
		3068	# load additional modules
		3069	use cf::pod;
		3070
2667	END { cf::emergency_save }	3071	END { cf::emergency_save }
2668		3072
2669	1	3073	1
2670		3074

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