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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.225 by root, Wed Mar 14 00:04:58 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;
		29	use YAML::Syck ();
26	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
27	use YAML::Syck ();
28	use Time::HiRes;	31	use Time::HiRes;
29	use Compress::LZF;	32	use Compress::LZF;
30		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
31	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
32	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
		39
33	$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
34
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36		41
37	# 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?
38	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
39		44
40	$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
41		48
42	our %COMMAND = ();	49	our %COMMAND = ();
43	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
44		51
45	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
…		…
47	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
49		56
50	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
51	our @EVENT;	58	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		59
54	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(!)
55	our $TICK_WATCHER;	73	our $TICK_WATCHER;
56	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	76	our $NEXT_TICK;
59	our $NOW;	77	our $NOW;
…		…
68	our $RUNTIME;	86	our $RUNTIME;
69		87
70	our %PLAYER; # all users	88	our %PLAYER; # all users
71	our %MAP; # all maps	89	our %MAP; # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		91
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $tick_start; # for load detecting purposes
		98
82	binmode STDOUT;	99	binmode STDOUT;
83	binmode STDERR;	100	binmode STDERR;
84		101
85	# read virtual server time, if available	102	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
87	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
88	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
89	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
90	}	107	}
91		108
92	mkdir cf::localdir;	109	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir cf::localdir . "/" . cf::tmpdir;
95	mkdir cf::localdir . "/" . cf::uniquedir;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		111
99	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
100		113
101	sub cf::map::normalise;	114	sub cf::map::normalise;
102		115
…		…
113	=item $cf::RUNTIME	126	=item $cf::RUNTIME
114		127
115	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
116	every server tick.	129	every server tick.
117		130
118	=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
119		134
120	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		139
123	=item $cf::NOW	140	=item $cf::NOW
124		141
125	The time of the last (current) server tick.	142	The time of the last (current) server tick.
126		143
127	=item $cf::TICK	144	=item $cf::TICK
128		145
129	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.
130		157
131	=item %cf::CFG	158	=item %cf::CFG
132		159
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
134	from wherever your confdir points to.	161	from wherever your confdir points to.
135		162
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		164
138	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
139	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
140	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.
141	window of cpu time available, or simply to synchronise to the server tick.
142		168
143	=back	169	=back
144		170
145	=cut	171	=cut
146		172
147	BEGIN {	173	BEGIN {
148	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	175	my $msg = join "", @_;
150	utf8::encode $msg;
151		176
152	$msg .= "\n"	177	$msg .= "\n"
153	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
154		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
155	LOG llevError, $msg;	183	LOG llevError, $msg;
156	};	184	};
157	}	185	}
158		186
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		194
166	# 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
167	# within the Safe compartment.	196	# within the Safe compartment.
168	for my $pkg (qw(	197	for my $pkg (qw(
169	cf::global cf::attachable	198	cf::global cf::attachable
…		…
205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
206	$d	235	$d
207	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
208	}	237	}
209		238
210	use JSON::Syck (); # TODO# replace by JSON::PC once working	239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
211		240
212	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
213		242
214	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
215		244
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
224		246
225	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
226
227	=cut
228
229	sub to_json($) {
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
231	JSON::Syck::Dump $_[0]
232	}
233		248
234	=item cf::lock_wait $string	249	=item cf::lock_wait $string
235		250
236	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
237		252
…		…
243	returned.	258	returned.
244		259
245	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
246	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
247		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
248	=cut	267	=cut
249		268
250	our %LOCK;	269	our %LOCK;
251		270
252	sub lock_wait($) {	271	sub lock_wait($) {
…		…
269		288
270	Coro::guard {	289	Coro::guard {
271	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
273	}	292	}
		293	}
		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
274	}	299	}
275		300
276	sub freeze_mainloop {	301	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
278		303
…		…
308		333
309	sub sync_job(&) {	334	sub sync_job(&) {
310	my ($job) = @_;	335	my ($job) = @_;
311		336
312	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
313	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
315		342
316	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
317	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
328		355
329	while ($busy) {	356	while ($busy) {
330	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
331	}	358	}
332		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
333	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
334	} else {	368	} else {
335	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
336		370
337	$job->()	371	$job->()
…		…
357		391
358	$coro	392	$coro
359	}	393	}
360		394
361	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
362	my $guard = cf::lock_acquire "write_runtime";	403	my $guard = cf::lock_acquire "write_runtime";
363
364	my $runtime = cf::localdir . "/runtime";
365		404
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
367	or return;	406	or return;
368		407
369	my $value = $cf::RUNTIME + 90 + 10;	408	my $value = $cf::RUNTIME + 90 + 10;
…		…
375		414
376	# always fsync - this file is important	415	# always fsync - this file is important
377	aio_fsync $fh	416	aio_fsync $fh
378	and return;	417	and return;
379		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
380	close $fh	422	close $fh
381	or return;	423	or return;
382		424
383	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
384	and return;	426	and return;
385		427
		428	warn "runtime file written.\n";
		429
386	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	442	}
388		443
389	=back	444	=back
390		445
391	=cut	446	=cut
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
572		627
573	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		632
578	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	634	my $pkg = shift @arg;
580		635
581	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
622	if (ref $_[0]) {	677	if (ref $_[0]) {
623	_object_attach @_;	678	_object_attach @_;
624	} else {	679	} else {
625	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
626	}	681	}
		682	_recalc_want;
627	};	683	};
628		684
629	# all those should be optimised	685	# all those should be optimised
630	sub cf::attachable::detach {	686	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
635	reattach ($obj);	691	reattach ($obj);
636	} else {	692	} else {
637	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
638	}	694	}
		695	_recalc_want;
639	};	696	};
640		697
641	sub cf::attachable::attached {	698	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
643		700
…		…
816	or return;	873	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
818	}	875	}
819		876
820	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	879	return ($data, $av);
823	}	880	}
824		881
825	#############################################################################	882	#############################################################################
826	# command handling &c	883	# command handling &c
…		…
953	Returns the given player object, loading it if necessary (might block).	1010	Returns the given player object, loading it if necessary (might block).
954		1011
955	=cut	1012	=cut
956		1013
957	sub playerdir($) {	1014	sub playerdir($) {
958	cf::localdir	1015	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1016	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1017	}
964		1018
965	sub path($) {	1019	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1020	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1021
968	(playerdir $login) . "/$login.pl"	1022	(playerdir $login) . "/playerdata"
969	}	1023	}
970		1024
971	sub find_active($) {	1025	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1026	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1027	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1040	my $login = $_[0];
987		1041
988	my $guard = cf::lock_acquire "user_find:$login";	1042	my $guard = cf::lock_acquire "user_find:$login";
989		1043
990	$cf::PLAYER{$_[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
991	my $pl = load_pl path $login	1052	my $pl = load_pl path $login
992	or return;	1053	or return;
993	$cf::PLAYER{$login} = $pl	1054	$cf::PLAYER{$login} = $pl
994	}	1055	}
995	}	1056	}
…		…
1079	while and may block, so not sync_job-capable, ever.	1140	while and may block, so not sync_job-capable, ever.
1080		1141
1081	=cut	1142	=cut
1082		1143
1083	sub list_logins {	1144	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1145	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1146	or return [];
1086		1147
1087	my @logins;	1148	my @logins;
1088		1149
1089	for my $login (@$dirs) {	1150	for my $login (@$dirs) {
…		…
1124	}	1185	}
1125		1186
1126	\@paths	1187	\@paths
1127	}	1188	}
1128		1189
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1190	=item $player->ext_reply ($msgid, %msg)
1130		1191
1131	Sends an ext reply to the player.	1192	Sends an ext reply to the player.
1132		1193
1133	=cut	1194	=cut
1134		1195
1135	sub ext_reply($$$%) {	1196	sub ext_reply($$%) {
1136	my ($self, $id, %msg) = @_;	1197	my ($self, $id, %msg) = @_;
1137		1198
1138	$msg{msgid} = $id;	1199	$msg{msgid} = $id;
1139		1200
1140	$self->send ("ext " . cf::to_json \%msg);	1201	$self->send ("ext " . cf::to_json \%msg);
1141	}	1202	}
1142		1203
1143	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	}
1144		1244
1145	=back	1245	=back
1146
1147		1246
1148	=head3 cf::map	1247	=head3 cf::map
1149		1248
1150	=over 4	1249	=over 4
1151		1250
…		…
1206	my ($self, $merge) = @_;	1305	my ($self, $merge) = @_;
1207		1306
1208	# we have to keep some variables in memory intact	1307	# we have to keep some variables in memory intact
1209	local $self->{path};	1308	local $self->{path};
1210	local $self->{load_path};	1309	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1310
1214	$self->SUPER::thawer_merge ($merge);	1311	$self->SUPER::thawer_merge ($merge);
1215	}	1312	}
1216		1313
1217	sub normalise {	1314	sub normalise {
…		…
1289		1386
1290	# the original (read-only) location	1387	# the original (read-only) location
1291	sub load_path {	1388	sub load_path {
1292	my ($self) = @_;	1389	my ($self) = @_;
1293		1390
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1391	"$MAPDIR/$self->{path}.map"
1295	}	1392	}
1296		1393
1297	# the temporary/swap location	1394	# the temporary/swap location
1298	sub save_path {	1395	sub save_path {
1299	my ($self) = @_;	1396	my ($self) = @_;
1300		1397
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1399	"$TMPDIR/$path.map"
1303	}	1400	}
1304		1401
1305	# the unique path, undef == no special unique path	1402	# the unique path, undef == no special unique path
1306	sub uniq_path {	1403	sub uniq_path {
1307	my ($self) = @_;	1404	my ($self) = @_;
1308		1405
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1407	"$UNIQUEDIR/$path"
1311	}	1408	}
1312		1409
1313	# and all this just because we cannot iterate over	1410	# and all this just because we cannot iterate over
1314	# all maps in C++...	1411	# all maps in C++...
1315	sub change_all_map_light {	1412	sub change_all_map_light {
1316	my ($change) = @_;	1413	my ($change) = @_;
1317		1414
1318	$_->change_map_light ($change)	1415	$_->change_map_light ($change)
1319	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;
1320	}	1425	}
1321		1426
1322	sub unlink_save {	1427	sub unlink_save {
1323	my ($self) = @_;	1428	my ($self) = @_;
1324		1429
…		…
1382	$self->load_header_orig	1487	$self->load_header_orig
1383	or return;	1488	or return;
1384	$self->prepare_orig;	1489	$self->prepare_orig;
1385	}	1490	}
1386		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
1387	1	1498	1
1388	}	1499	}
1389		1500
1390	sub find;	1501	sub find;
1391	sub find {	1502	sub find {
…		…
1403	$map->{last_save} = $cf::RUNTIME;	1514	$map->{last_save} = $cf::RUNTIME;
1404		1515
1405	$map->load_header	1516	$map->load_header
1406	or return;	1517	or return;
1407		1518
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1520	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1521	#$cf::WAIT_FOR_TICK->wait;
1411	$map->reset;	1522	$map->reset;
1412	undef $guard;	1523	undef $guard;
1413	return find $path;	1524	return find $path;
…		…
1424	my ($self) = @_;	1535	my ($self) = @_;
1425		1536
1426	local $self->{deny_reset} = 1; # loading can take a long time	1537	local $self->{deny_reset} = 1; # loading can take a long time
1427		1538
1428	my $path = $self->{path};	1539	my $path = $self->{path};
		1540
		1541	{
1429	my $guard = cf::lock_acquire "map_load:$path";	1542	my $guard = cf::lock_acquire "map_load:$path";
1430		1543
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1544	return if $self->in_memory != cf::MAP_SWAPPED;
1432		1545
1433	$self->in_memory (cf::MAP_LOADING);	1546	$self->in_memory (cf::MAP_LOADING);
1434		1547
1435	$self->alloc;	1548	$self->alloc;
1436		1549
1437	$self->pre_load;	1550	$self->pre_load;
1438
1439	$self->_load_objects ($self->{load_path}, 1)
1440	or return;
1441
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};
1444
1445	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {
1448	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);
1450	}
1451	}
1452
1453	Coro::cede;
1454
1455	# now do the right thing for maps
1456	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;	1551	Coro::cede;
1463	$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;
1464	$self->difficulty ($self->estimate_difficulty)	1570	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	1571	unless $self->difficulty;
1466	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;
1467	$self->activate;	1581	$self->activate;
		1582	}
		1583
		1584	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	1585	}
1469		1586
1470	$self->post_load;	1587	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	1588	}
1474		1589
1475	sub customise_for {	1590	sub customise_for {
1476	my ($self, $ob) = @_;	1591	my ($self, $ob) = @_;
1477		1592
1478	return find "~" . $ob->name . "/" . $self->{path}	1593	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	1594	if $self->per_player;
		1595
		1596	# return find "?party/" . $ob->name . "/" . $self->{path}
		1597	# if $self->per_party;
1480		1598
1481	$self	1599	$self
1482	}	1600	}
1483		1601
1484	# 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
…		…
1595		1713
1596	sub reset_at {	1714	sub reset_at {
1597	my ($self) = @_;	1715	my ($self) = @_;
1598		1716
1599	# TODO: safety, remove and allow resettable per-player maps	1717	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	1718	return 1e99 if $self->{deny_reset};
1602		1719
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1720	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	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;
1605		1722
…		…
1616	my ($self) = @_;	1733	my ($self) = @_;
1617		1734
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	1735	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		1736
1620	return if $self->players;	1737	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		1738
1623	warn "resetting map ", $self->path;#d#	1739	warn "resetting map ", $self->path;
1624		1740
1625	$self->in_memory (cf::MAP_SWAPPED);	1741	$self->in_memory (cf::MAP_SWAPPED);
1626		1742
1627	# need to save uniques path	1743	# need to save uniques path
1628	unless ($self->{deny_save}) {	1744	unless ($self->{deny_save}) {
…		…
1660	$cf::MAP{$self->path} = $self;	1776	$cf::MAP{$self->path} = $self;
1661		1777
1662	$self->reset; # polite request, might not happen	1778	$self->reset; # polite request, might not happen
1663	}	1779	}
1664		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
1665	=item cf::map::unique_maps	1817	=item cf::map::unique_maps
1666		1818
1667	Returns an arrayref of paths of all shared maps that have	1819	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	1820	instantiated unique items. May block.
1669		1821
1670	=cut	1822	=cut
1671		1823
1672	sub unique_maps() {	1824	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1825	[
1674	or return;	1826	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	1827	utf8::decode $_;
1680	next if /\.pst$/;	1828	/\.map$/
1681	next unless /^$PATH_SEP/o;	1829	? normalise $_
1682		1830	: ()
1683	push @paths, cf::map::normalise $_;	1831	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	1832	]
1685
1686	\@paths
1687	}	1833	}
1688		1834
1689	package cf;	1835	package cf;
1690		1836
1691	=back	1837	=back
…		…
1797	$self->deactivate_recursive;	1943	$self->deactivate_recursive;
1798		1944
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	1945	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		1946
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1947	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	1948	if $self->map && $self->map->{path} ne "{link}";
1803		1949
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1950	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	1951	}
1806		1952
1807	sub cf::object::player::leave_link {	1953	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	1954	my ($self, $map, $x, $y) = @_;
		1955
		1956	return unless $self->contr->active;
1809		1957
1810	my $link_pos = delete $self->{_link_pos};	1958	my $link_pos = delete $self->{_link_pos};
1811		1959
1812	unless ($map) {	1960	unless ($map) {
1813	# restore original map position	1961	# restore original map position
…		…
1836		1984
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	1986	$self->enter_map ($map, $x, $y);
1839	}	1987	}
1840		1988
1841	cf::player->attach (
1842	on_logout => sub {
1843	my ($pl) = @_;
1844
1845	# abort map switching before logout
1846	if ($pl->ob->{_link_pos}) {
1847	cf::sync_job {
1848	$pl->ob->leave_link
1849	};
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854
1855	# try to abort aborted map switching on player login :)
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872
1873	=item $player_object->goto ($path, $x, $y)	1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1874		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
1875	=cut	1996	=cut
		1997
		1998	our $GOTOGEN;
1876		1999
1877	sub cf::object::player::goto {	2000	sub cf::object::player::goto {
1878	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;
1879		2005
1880	$self->enter_link;	2006	$self->enter_link;
1881		2007
1882	(async {	2008	(async {
1883	my $map = eval {	2009	my $map = eval {
1884	my $map = cf::map::find $path;	2010	my $map = cf::map::find $path;
		2011
		2012	if ($map) {
1885	$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
1886	$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 $@;
1887	} or	2025	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2026
		2027	if ($gen == $self->{_goto_generation}) {
		2028	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2029	$self->leave_link ($map, $x, $y);
		2030	}
1891	})->prio (1);	2031	})->prio (1);
1892	}	2032	}
1893		2033
1894	=item $player_object->enter_exit ($exit_object)	2034	=item $player_object->enter_exit ($exit_object)
1895		2035
…		…
1934		2074
1935	$rmp->{random_seed} ||= $exit->random_seed;	2075	$rmp->{random_seed} ||= $exit->random_seed;
1936		2076
1937	my $data = cf::to_json $rmp;	2077	my $data = cf::to_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2078	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2079	my $meta = "$RANDOMDIR/$md5.meta";
1940		2080
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2082	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2083	undef $fh;
1944	aio_rename "$meta~", $meta;	2084	aio_rename "$meta~", $meta;
…		…
1953		2093
1954	return unless $self->type == cf::PLAYER;	2094	return unless $self->type == cf::PLAYER;
1955		2095
1956	if ($exit->slaying eq "/!") {	2096	if ($exit->slaying eq "/!") {
1957	#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
1958	cf::sync_job { prepare_random_map $exit };	2100	cf::sync_job { prepare_random_map $exit };
1959	}	2101	}
1960		2102
1961	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;
1962	my $hp = $exit->stats->hp;	2104	my $hp = $exit->stats->hp;
…		…
1970	$self->goto ($slaying, $hp, $sp);	2112	$self->goto ($slaying, $hp, $sp);
1971		2113
1972	1;	2114	1;
1973	}) {	2115	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2116	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "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. "
1976	. "Please report this to the dungeon master!",	2118	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2119	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2120
1979	warn "ERROR in enter_exit: $@";	2121	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2122	$self->leave_link;
1981	}	2123	}
1982	})->prio (1);	2124	})->prio (1);
…		…
1998		2140
1999	utf8::encode $text;	2141	utf8::encode $text;
2000	$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);
2001	}	2143	}
2002		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	}
2003		2157
2004	=item $success = $client->query ($flags, "text", \&cb)	2158	=item $success = $client->query ($flags, "text", \&cb)
2005		2159
2006	Queues a query to the client, calling the given callback with	2160	Queues a query to the client, calling the given callback with
2007	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>,
…		…
2104		2258
2105	# here we export the classes and methods available to script code	2259	# here we export the classes and methods available to script code
2106		2260
2107	=pod	2261	=pod
2108		2262
2109	The following fucntions and emthods are available within a safe environment:	2263	The following functions and methods are available within a safe environment:
2110		2264
2111	cf::object contr pay_amount pay_player map	2265	cf::object contr pay_amount pay_player map
2112	cf::object::player player	2266	cf::object::player player
2113	cf::player peaceful	2267	cf::player peaceful
2114	cf::map trigger	2268	cf::map trigger
…		…
2199	#############################################################################	2353	#############################################################################
2200		2354
2201	=head2 EXTENSION DATABASE SUPPORT	2355	=head2 EXTENSION DATABASE SUPPORT
2202		2356
2203	Crossfire maintains a very simple database for extension use. It can	2357	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which	2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2205	excludes objects.	2359	convert to/from binary).
2206		2360
2207	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
2208	using it, it should be unique.	2362	using it, it should be unique.
2209		2363
2210	=over 4	2364	=over 4
…		…
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;	2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;	2388	cf::cleanup "db_open(db): $!" if $!;
2235	};	2389	};
2236	cf::cleanup "db_open(db): $@" if $@;	2390	cf::cleanup "db_open(db): $@" if $@;
2237	};	2391	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}	2392	}
2253	}	2393	}
2254		2394
2255	sub db_get($$) {	2395	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";	2396	my $key = "$_[0]/$_[1]";
2257		2397
2258	cf::sync_job {	2398	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;	2399	BDB::db_get $DB, undef, $key, my $data;
2260		2400
2261	$! ? ()	2401	$! ? ()
2262	: Compress::LZF::sthaw $data	2402	: $data
2263	}	2403	}
2264	}	2404	}
2265		2405
2266	sub db_put($$$) {	2406	sub db_put($$$) {
2267	BDB::dbreq_pri 4;	2407	BDB::dbreq_pri 4;
2268	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	}
2269	}	2523	}
2270		2524
2271	#############################################################################	2525	#############################################################################
2272	# the server's init and main functions	2526	# the server's init and main functions
2273		2527
2274	sub load_faces {	2528	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	2529	my ($path) = @_;
2276		2530
2277	warn "loading faces from $path\n";	2531	warn "loading facedata from $path\n";
2278		2532
2279	my $faces;	2533	my $facedata;
2280	0 < aio_load $path, $faces	2534	0 < aio_load $path, $facedata
2281	or die "$path: $!";	2535	or die "$path: $!";
2282		2536
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	2537	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		2538
		2539	$facedata->{version} == 2
		2540	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2541
		2542	{
		2543	my $faces = $facedata->{faceinfo};
		2544
2287	while (my ($face, $info) = each %$faces) {	2545	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2291	Coro::cede;	2550	Coro::cede;
2292	}	2551	}
2293		2552
2294	while (my ($face, $info) = each %$faces) {	2553	while (my ($face, $info) = each %$faces) {
2295	next unless $info->{smooth};	2554	next unless $info->{smooth};
2296	my $idx = cf::face::find $face	2555	my $idx = cf::face::find $face
2297	or next;	2556	or next;
2298	if (my $smooth = cf::face::find $info->{smooth}) {	2557	if (my $smooth = cf::face::find $info->{smooth}) {
2299	cf::face::set_smooth $idx, $smooth;	2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2300	warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#
2301	} else {	2559	} else {
2302	warn "smooth face '$info->{smooth}' not found for face '$face'";	2560	warn "smooth face '$info->{smooth}' not found for face '$face'";
2303	}	2561	}
2304	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
2305	}	2575	}
2306		2576
2307	1	2577	1
2308	}	2578	}
2309		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
2310	sub reload_resources {	2600	sub reload_resources {
2311	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2601	warn "reloading resource files...\n";
2312	or die "unable to load regions file\n";#d#	2602
		2603	reload_regions;
2313	load_faces	2604	reload_facedata;
2314	or die "unable to load faces\n";#d#	2605	#reload_archetypes;#d#
		2606	reload_archetypes;
		2607	reload_treasures;
		2608
		2609	warn "finished reloading resource files\n";
2315	}	2610	}
2316		2611
2317	sub init {	2612	sub init {
2318	reload_resources;	2613	reload_resources;
2319	}	2614	}
2320		2615
2321	sub cfg_load {	2616	sub cfg_load {
2322	open my $fh, "<:utf8", cf::confdir . "/config"	2617	open my $fh, "<:utf8", "$CONFDIR/config"
2323	or return;	2618	or return;
2324		2619
2325	local $/;	2620	local $/;
2326	*CFG = YAML::Syck::Load <$fh>;	2621	*CFG = YAML::Syck::Load <$fh>;
2327		2622
…		…
2412		2707
2413	warn Carp::longmess "post_cleanup backtrace"	2708	warn Carp::longmess "post_cleanup backtrace"
2414	if $make_core;	2709	if $make_core;
2415	}	2710	}
2416		2711
2417	sub reload() {	2712	sub do_reload_perl() {
2418	# can/must only be called in main	2713	# can/must only be called in main
2419	if ($Coro::current != $Coro::main) {	2714	if ($Coro::current != $Coro::main) {
2420	warn "can only reload from main coroutine";	2715	warn "can only reload from main coroutine";
2421	return;	2716	return;
2422	}	2717	}
…		…
2497	Symbol::delete_package "safe::$_"	2792	Symbol::delete_package "safe::$_"
2498	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);
2499		2794
2500	warn "unloading cf.pm \"a bit\"";	2795	warn "unloading cf.pm \"a bit\"";
2501	delete $INC{"cf.pm"};	2796	delete $INC{"cf.pm"};
		2797	delete $INC{"cf/pod.pm"};
2502		2798
2503	# don't, removes xs symbols, too,	2799	# don't, removes xs symbols, too,
2504	# and global variables created in xs	2800	# and global variables created in xs
2505	#Symbol::delete_package __PACKAGE__;	2801	#Symbol::delete_package __PACKAGE__;
2506		2802
…		…
2521	warn "reattaching attachments to maps";	2817	warn "reattaching attachments to maps";
2522	reattach $_ for values %MAP;	2818	reattach $_ for values %MAP;
2523	warn "reattaching attachments to players";	2819	warn "reattaching attachments to players";
2524	reattach $_ for values %PLAYER;	2820	reattach $_ for values %PLAYER;
2525		2821
2526	warn "loading reloadable resources";
2527	reload_resources;
2528
2529	warn "leaving sync_job";	2822	warn "leaving sync_job";
2530		2823
2531	1	2824	1
2532	} or do {	2825	} or do {
2533	warn $@;	2826	warn $@;
…		…
2538	warn "reloaded";	2831	warn "reloaded";
2539	};	2832	};
2540		2833
2541	our $RELOAD_WATCHER; # used only during reload	2834	our $RELOAD_WATCHER; # used only during reload
2542		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
2543	register_command "reload" => sub {	2851	register_command "reload" => sub {
2544	my ($who, $arg) = @_;	2852	my ($who, $arg) = @_;
2545		2853
2546	if ($who->flag (FLAG_WIZ)) {	2854	if ($who->flag (FLAG_WIZ)) {
2547	$who->message ("reloading server.");	2855	$who->message ("reloading server.");
2548		2856	async { reload_perl };
2549	# doing reload synchronously and two reloads happen back-to-back,
2550	# coro crashes during coro_state_free->destroy here.
2551
2552	$RELOAD_WATCHER ||= Event->timer (
2553	reentrant => 0,
2554	after => 0,
2555	data => WF_AUTOCANCEL,
2556	cb => sub {
2557	reload;
2558	undef $RELOAD_WATCHER;
2559	},
2560	);
2561	}	2857	}
2562	};	2858	};
2563		2859
2564	unshift @INC, $LIBDIR;	2860	unshift @INC, $LIBDIR;
2565		2861
2566	my $bug_warning = 0;	2862	my $bug_warning = 0;
2567		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;
2568	$TICK_WATCHER = Event->timer (	2887	$TICK_WATCHER = Event->timer (
2569	reentrant => 0,	2888	reentrant => 0,
2570	parked => 1,	2889	parked => 1,
2571	prio => 0,	2890	prio => 0,
2572	at => $NEXT_TICK || $TICK,	2891	at => $NEXT_TICK || $TICK,
…		…
2576	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"
2577	unless ++$bug_warning > 10;	2896	unless ++$bug_warning > 10;
2578	return;	2897	return;
2579	}	2898	}
2580		2899
2581	$NOW = Event::time;	2900	$NOW = $tick_start = Event::time;
2582		2901
2583	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
2584	$RUNTIME += $TICK;	2927	$RUNTIME += $TICK;
2585	$NEXT_TICK += $TICK;	2928	$NEXT_TICK += $TICK;
2586		2929
2587	if ($NOW >= $NEXT_RUNTIME_WRITE) {	2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2588	$NEXT_RUNTIME_WRITE = $NOW + 10;	2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2590	write_runtime	2933	write_runtime
2591	or warn "ERROR: unable to write runtime file: $!";	2934	or warn "ERROR: unable to write runtime file: $!";
2592	};	2935	};
2593	}	2936	}
2594		2937
2595	$WAIT_FOR_TICK->broadcast;
2596	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2597
2598	# my $AFTER = Event::time;	2938	# my $AFTER = Event::time;
2599	# warn $AFTER - $NOW;#d#	2939	# warn $AFTER - $NOW;#d#
2600		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
2601	# 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
2602	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2603		2952
2604	$TICK_WATCHER->at ($NEXT_TICK);	2953	$TICK_WATCHER->at ($NEXT_TICK);
2605	$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
2606	},	2962	},
2607	);	2963	);
2608		2964
2609	{	2965	{
2610	BDB::max_poll_time $TICK * 0.1;	2966	BDB::max_poll_time $TICK * 0.1;
…		…
2638		2994
2639	cf::sync_job {	2995	cf::sync_job {
2640	eval {	2996	eval {
2641	BDB::db_env_open	2997	BDB::db_env_open
2642	$DB_ENV,	2998	$DB_ENV,
2643	$BDB_ENV_DIR,	2999	$BDBDIR,
2644	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
2645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2646	0666;	3002	0666;
2647		3003
2648	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2649		3005
2650	$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);
2651	$DB_ENV->set_lk_detect;	3007	$DB_ENV->set_lk_detect;
2652	};	3008	};
2653		3009
…		…
2669	prio => 6,	3025	prio => 6,
2670	cb => \&IO::AIO::poll_cb,	3026	cb => \&IO::AIO::poll_cb,
2671	);	3027	);
2672	}	3028	}
2673		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
2674	END { cf::emergency_save }	3071	END { cf::emergency_save }
2675		3072
2676	1	3073	1
2677		3074

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