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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
20	use BDB ();	25	use BDB ();
21	use Data::Dumper;	26	use Data::Dumper;
22	use Digest::MD5;	27	use Digest::MD5;
23	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
24	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	31	use Time::HiRes;
27	use Compress::LZF;	32	use Compress::LZF;
28		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	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
30		39
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		41
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
37		44
38	$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
39		48
40	our %COMMAND = ();	49	our %COMMAND = ();
41	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
42		51
43	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
…		…
45	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
47		56
48	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
49	our @EVENT;	58	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		59
52	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(!)
53	our $TICK_WATCHER;	73	our $TICK_WATCHER;
54	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	76	our $NEXT_TICK;
57	our $NOW;	77	our $NOW;
…		…
66	our $RUNTIME;	86	our $RUNTIME;
67		87
68	our %PLAYER; # all users	88	our %PLAYER; # all users
69	our %MAP; # all maps	89	our %MAP; # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		91
77	# 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 ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		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 $tick_start; # for load detecting purposes
		98
80	binmode STDOUT;	99	binmode STDOUT;
81	binmode STDERR;	100	binmode STDERR;
82		101
83	# read virtual server time, if available	102	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
88	}	107	}
89		108
90	mkdir cf::localdir;	109	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		111
97	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
98		113
99	sub cf::map::normalise;	114	sub cf::map::normalise;
100		115
…		…
111	=item $cf::RUNTIME	126	=item $cf::RUNTIME
112		127
113	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
114	every server tick.	129	every server tick.
115		130
116	=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
117		134
118	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
119	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.
120		139
121	=item $cf::NOW	140	=item $cf::NOW
122		141
123	The time of the last (current) server tick.	142	The time of the last (current) server tick.
124		143
125	=item $cf::TICK	144	=item $cf::TICK
126		145
127	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.
128		157
129	=item %cf::CFG	158	=item %cf::CFG
130		159
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
132	from wherever your confdir points to.	161	from wherever your confdir points to.
133		162
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		164
136	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
137	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
138	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.
139	window of cpu time available, or simply to synchronise to the server tick.
140		168
141	=back	169	=back
142		170
143	=cut	171	=cut
144		172
145	BEGIN {	173	BEGIN {
146	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	175	my $msg = join "", @_;
148	utf8::encode $msg;
149		176
150	$msg .= "\n"	177	$msg .= "\n"
151	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
152		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
153	LOG llevError, $msg;	183	LOG llevError, $msg;
154	};	184	};
155	}	185	}
156		186
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@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';
162	@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)
163		194
164	# 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
165	# within the Safe compartment.	196	# within the Safe compartment.
166	for my $pkg (qw(	197	for my $pkg (qw(
167	cf::global cf::attachable	198	cf::global cf::attachable
…		…
203	$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;
204	$d	235	$d
205	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
206	}	237	}
207		238
208	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
209		240
210	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
211		242
212	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
213		244
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
222		246
223	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
224
225	=cut
226
227	sub to_json($) {
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
229	JSON::Syck::Dump $_[0]
230	}
231		248
232	=item cf::lock_wait $string	249	=item cf::lock_wait $string
233		250
234	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
235		252
…		…
241	returned.	258	returned.
242		259
243	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
244	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
245		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
246	=cut	267	=cut
247		268
248	our %LOCK;	269	our %LOCK;
249		270
250	sub lock_wait($) {	271	sub lock_wait($) {
…		…
267		288
268	Coro::guard {	289	Coro::guard {
269	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
271	}	292	}
		293	}
		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
272	}	299	}
273		300
274	sub freeze_mainloop {	301	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
276		303
…		…
306		333
307	sub sync_job(&) {	334	sub sync_job(&) {
308	my ($job) = @_;	335	my ($job) = @_;
309		336
310	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
311	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
313		342
314	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
326		355
327	while ($busy) {	356	while ($busy) {
328	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
329	}	358	}
330		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
331	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
332	} else {	368	} else {
333	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
334		370
335	$job->()	371	$job->()
…		…
355		391
356	$coro	392	$coro
357	}	393	}
358		394
359	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
360	my $guard = cf::lock_acquire "write_runtime";	403	my $guard = cf::lock_acquire "write_runtime";
361
362	my $runtime = cf::localdir . "/runtime";
363		404
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
365	or return;	406	or return;
366		407
367	my $value = $cf::RUNTIME + 90 + 10;	408	my $value = $cf::RUNTIME + 90 + 10;
…		…
373		414
374	# always fsync - this file is important	415	# always fsync - this file is important
375	aio_fsync $fh	416	aio_fsync $fh
376	and return;	417	and return;
377		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
378	close $fh	422	close $fh
379	or return;	423	or return;
380		424
381	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
382	and return;	426	and return;
383		427
		428	warn "runtime file written.\n";
		429
384	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	442	}
386		443
387	=back	444	=back
388		445
389	=cut	446	=cut
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
570		627
571	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		632
576	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	634	my $pkg = shift @arg;
578		635
579	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
620	if (ref $_[0]) {	677	if (ref $_[0]) {
621	_object_attach @_;	678	_object_attach @_;
622	} else {	679	} else {
623	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
624	}	681	}
		682	_recalc_want;
625	};	683	};
626		684
627	# all those should be optimised	685	# all those should be optimised
628	sub cf::attachable::detach {	686	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
633	reattach ($obj);	691	reattach ($obj);
634	} else {	692	} else {
635	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
636	}	694	}
		695	_recalc_want;
637	};	696	};
638		697
639	sub cf::attachable::attached {	698	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
641		700
…		…
814	or return;	873	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
816	}	875	}
817		876
818	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
820	return ($data, $av);	879	return ($data, $av);
821	}	880	}
822		881
823	#############################################################################	882	#############################################################################
824	# command handling &c	883	# command handling &c
…		…
951	Returns the given player object, loading it if necessary (might block).	1010	Returns the given player object, loading it if necessary (might block).
952		1011
953	=cut	1012	=cut
954		1013
955	sub playerdir($) {	1014	sub playerdir($) {
956	cf::localdir	1015	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1016	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1017	}
962		1018
963	sub path($) {	1019	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1020	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1021
966	(playerdir $login) . "/$login.pl"	1022	(playerdir $login) . "/playerdata"
967	}	1023	}
968		1024
969	sub find_active($) {	1025	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1026	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1027	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1040	my $login = $_[0];
985		1041
986	my $guard = cf::lock_acquire "user_find:$login";	1042	my $guard = cf::lock_acquire "user_find:$login";
987		1043
988	$cf::PLAYER{$_[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
989	my $pl = load_pl path $login	1052	my $pl = load_pl path $login
990	or return;	1053	or return;
991	$cf::PLAYER{$login} = $pl	1054	$cf::PLAYER{$login} = $pl
992	}	1055	}
993	}	1056	}
…		…
1077	while and may block, so not sync_job-capable, ever.	1140	while and may block, so not sync_job-capable, ever.
1078		1141
1079	=cut	1142	=cut
1080		1143
1081	sub list_logins {	1144	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1145	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1146	or return [];
1084		1147
1085	my @logins;	1148	my @logins;
1086		1149
1087	for my $login (@$dirs) {	1150	for my $login (@$dirs) {
…		…
1122	}	1185	}
1123		1186
1124	\@paths	1187	\@paths
1125	}	1188	}
1126		1189
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1190	=item $player->ext_reply ($msgid, %msg)
1128		1191
1129	Sends an ext reply to the player.	1192	Sends an ext reply to the player.
1130		1193
1131	=cut	1194	=cut
1132		1195
1133	sub ext_reply($$$%) {	1196	sub ext_reply($$%) {
1134	my ($self, $id, %msg) = @_;	1197	my ($self, $id, %msg) = @_;
1135		1198
1136	$msg{msgid} = $id;	1199	$msg{msgid} = $id;
1137		1200
1138	$self->send ("ext " . cf::to_json \%msg);	1201	$self->send ("ext " . cf::to_json \%msg);
1139	}	1202	}
1140		1203
1141	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	}
1142		1244
1143	=back	1245	=back
1144
1145		1246
1146	=head3 cf::map	1247	=head3 cf::map
1147		1248
1148	=over 4	1249	=over 4
1149		1250
…		…
1204	my ($self, $merge) = @_;	1305	my ($self, $merge) = @_;
1205		1306
1206	# we have to keep some variables in memory intact	1307	# we have to keep some variables in memory intact
1207	local $self->{path};	1308	local $self->{path};
1208	local $self->{load_path};	1309	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1310
1212	$self->SUPER::thawer_merge ($merge);	1311	$self->SUPER::thawer_merge ($merge);
1213	}	1312	}
1214		1313
1215	sub normalise {	1314	sub normalise {
…		…
1287		1386
1288	# the original (read-only) location	1387	# the original (read-only) location
1289	sub load_path {	1388	sub load_path {
1290	my ($self) = @_;	1389	my ($self) = @_;
1291		1390
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1391	"$MAPDIR/$self->{path}.map"
1293	}	1392	}
1294		1393
1295	# the temporary/swap location	1394	# the temporary/swap location
1296	sub save_path {	1395	sub save_path {
1297	my ($self) = @_;	1396	my ($self) = @_;
1298		1397
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1399	"$TMPDIR/$path.map"
1301	}	1400	}
1302		1401
1303	# the unique path, undef == no special unique path	1402	# the unique path, undef == no special unique path
1304	sub uniq_path {	1403	sub uniq_path {
1305	my ($self) = @_;	1404	my ($self) = @_;
1306		1405
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1407	"$UNIQUEDIR/$path"
1309	}	1408	}
1310		1409
1311	# and all this just because we cannot iterate over	1410	# and all this just because we cannot iterate over
1312	# all maps in C++...	1411	# all maps in C++...
1313	sub change_all_map_light {	1412	sub change_all_map_light {
1314	my ($change) = @_;	1413	my ($change) = @_;
1315		1414
1316	$_->change_map_light ($change)	1415	$_->change_map_light ($change)
1317	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;
1318	}	1425	}
1319		1426
1320	sub unlink_save {	1427	sub unlink_save {
1321	my ($self) = @_;	1428	my ($self) = @_;
1322		1429
…		…
1380	$self->load_header_orig	1487	$self->load_header_orig
1381	or return;	1488	or return;
1382	$self->prepare_orig;	1489	$self->prepare_orig;
1383	}	1490	}
1384		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
1385	1	1498	1
1386	}	1499	}
1387		1500
1388	sub find;	1501	sub find;
1389	sub find {	1502	sub find {
…		…
1401	$map->{last_save} = $cf::RUNTIME;	1514	$map->{last_save} = $cf::RUNTIME;
1402		1515
1403	$map->load_header	1516	$map->load_header
1404	or return;	1517	or return;
1405		1518
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1520	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1521	#$cf::WAIT_FOR_TICK->wait;
1409	$map->reset;	1522	$map->reset;
1410	undef $guard;	1523	undef $guard;
1411	return find $path;	1524	return find $path;
…		…
1422	my ($self) = @_;	1535	my ($self) = @_;
1423		1536
1424	local $self->{deny_reset} = 1; # loading can take a long time	1537	local $self->{deny_reset} = 1; # loading can take a long time
1425		1538
1426	my $path = $self->{path};	1539	my $path = $self->{path};
		1540
		1541	{
1427	my $guard = cf::lock_acquire "map_load:$path";	1542	my $guard = cf::lock_acquire "map_load:$path";
1428		1543
1429	return if $self->in_memory != cf::MAP_SWAPPED;	1544	return if $self->in_memory != cf::MAP_SWAPPED;
1430		1545
1431	$self->in_memory (cf::MAP_LOADING);	1546	$self->in_memory (cf::MAP_LOADING);
1432		1547
1433	$self->alloc;	1548	$self->alloc;
1434		1549
1435	$self->pre_load;	1550	$self->pre_load;
1436
1437	$self->_load_objects ($self->{load_path}, 1)
1438	or return;
1439
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};
1442
1443	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {
1446	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);
1448	}
1449	}
1450
1451	Coro::cede;
1452
1453	# now do the right thing for maps
1454	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;	1551	Coro::cede;
1461	$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;
1462	$self->difficulty ($self->estimate_difficulty)	1570	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	1571	unless $self->difficulty;
1464	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;
1465	$self->activate;	1581	$self->activate;
		1582	}
		1583
		1584	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	1585	}
1467		1586
1468	$self->post_load;	1587	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	1588	}
1472		1589
1473	sub customise_for {	1590	sub customise_for {
1474	my ($self, $ob) = @_;	1591	my ($self, $ob) = @_;
1475		1592
1476	return find "~" . $ob->name . "/" . $self->{path}	1593	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	1594	if $self->per_player;
		1595
		1596	# return find "?party/" . $ob->name . "/" . $self->{path}
		1597	# if $self->per_party;
1478		1598
1479	$self	1599	$self
1480	}	1600	}
1481		1601
1482	# 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
…		…
1593		1713
1594	sub reset_at {	1714	sub reset_at {
1595	my ($self) = @_;	1715	my ($self) = @_;
1596		1716
1597	# TODO: safety, remove and allow resettable per-player maps	1717	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	1718	return 1e99 if $self->{deny_reset};
1600		1719
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1720	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	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;
1603		1722
…		…
1614	my ($self) = @_;	1733	my ($self) = @_;
1615		1734
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	1735	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		1736
1618	return if $self->players;	1737	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		1738
1621	warn "resetting map ", $self->path;#d#	1739	warn "resetting map ", $self->path;
1622		1740
1623	$self->in_memory (cf::MAP_SWAPPED);	1741	$self->in_memory (cf::MAP_SWAPPED);
1624		1742
1625	# need to save uniques path	1743	# need to save uniques path
1626	unless ($self->{deny_save}) {	1744	unless ($self->{deny_save}) {
…		…
1666	instantiated unique items. May block.	1784	instantiated unique items. May block.
1667		1785
1668	=cut	1786	=cut
1669		1787
1670	sub unique_maps() {	1788	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1789	my $files = aio_readdir $UNIQUEDIR
1672	or return;	1790	or return;
1673		1791
1674	my @paths;	1792	my @paths;
1675		1793
1676	for (@$files) {	1794	for (@$files) {
…		…
1795	$self->deactivate_recursive;	1913	$self->deactivate_recursive;
1796		1914
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	1915	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		1916
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1917	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	1918	if $self->map && $self->map->{path} ne "{link}";
1801		1919
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1920	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	1921	}
1804		1922
1805	sub cf::object::player::leave_link {	1923	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	1924	my ($self, $map, $x, $y) = @_;
		1925
		1926	return unless $self->contr->active;
1807		1927
1808	my $link_pos = delete $self->{_link_pos};	1928	my $link_pos = delete $self->{_link_pos};
1809		1929
1810	unless ($map) {	1930	unless ($map) {
1811	# restore original map position	1931	# restore original map position
…		…
1834		1954
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	1956	$self->enter_map ($map, $x, $y);
1837	}	1957	}
1838		1958
1839	cf::player->attach (
1840	on_logout => sub {
1841	my ($pl) = @_;
1842
1843	# abort map switching before logout
1844	if ($pl->ob->{_link_pos}) {
1845	cf::sync_job {
1846	$pl->ob->leave_link
1847	};
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852
1853	# try to abort aborted map switching on player login :)
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870
1871	=item $player_object->goto ($path, $x, $y)	1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1872		1960
		1961	Moves the player to the given map-path and coordinates by first freezing
		1962	her, loading and preparing them map, calling the provided $check callback
		1963	that has to return the map if sucecssful, and then unfreezes the player on
		1964	the new (success) or old (failed) map position.
		1965
1873	=cut	1966	=cut
		1967
		1968	our $GOTOGEN;
1874		1969
1875	sub cf::object::player::goto {	1970	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	1971	my ($self, $path, $x, $y, $check) = @_;
		1972
		1973	# do generation counting so two concurrent goto's will be executed in-order
		1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		1975
1878	$self->enter_link;	1976	$self->enter_link;
1879		1977
1880	(async {	1978	(async {
1881	my $map = eval {	1979	my $map = eval {
1882	my $map = cf::map::find $path;	1980	my $map = cf::map::find $path;
		1981
		1982	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	1983	$map = $map->customise_for ($self);
		1984	$map = $check->($map) if $check && $map;
		1985	} else {
		1986	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1987	}
		1988
1884	$map	1989	$map
		1990	};
		1991
		1992	if ($@) {
		1993	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		1994	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	1995	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		1996
		1997	if ($gen == $self->{_goto_generation}) {
		1998	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	1999	$self->leave_link ($map, $x, $y);
		2000	}
1889	})->prio (1);	2001	})->prio (1);
1890	}	2002	}
1891		2003
1892	=item $player_object->enter_exit ($exit_object)	2004	=item $player_object->enter_exit ($exit_object)
1893		2005
…		…
1932		2044
1933	$rmp->{random_seed} ||= $exit->random_seed;	2045	$rmp->{random_seed} ||= $exit->random_seed;
1934		2046
1935	my $data = cf::to_json $rmp;	2047	my $data = cf::to_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2048	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2049	my $meta = "$RANDOMDIR/$md5.meta";
1938		2050
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2051	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2052	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2053	undef $fh;
1942	aio_rename "$meta~", $meta;	2054	aio_rename "$meta~", $meta;
…		…
1951		2063
1952	return unless $self->type == cf::PLAYER;	2064	return unless $self->type == cf::PLAYER;
1953		2065
1954	if ($exit->slaying eq "/!") {	2066	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2067	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2068	# the problem is that $exit might not survive long enough
		2069	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2070	cf::sync_job { prepare_random_map $exit };
1957	}	2071	}
1958		2072
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2073	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2074	my $hp = $exit->stats->hp;
…		…
1968	$self->goto ($slaying, $hp, $sp);	2082	$self->goto ($slaying, $hp, $sp);
1969		2083
1970	1;	2084	1;
1971	}) {	2085	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2086	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2087	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2088	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2089	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2090
1977	warn "ERROR in enter_exit: $@";	2091	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2092	$self->leave_link;
1979	}	2093	}
1980	})->prio (1);	2094	})->prio (1);
…		…
1993		2107
1994	sub cf::client::send_drawinfo {	2108	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2109	my ($self, $text, $flags) = @_;
1996		2110
1997	utf8::encode $text;	2111	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2113	}
2000		2114
		2115	=item $client->ext_event ($type, %msg)
		2116
		2117	Sends an exti event to the client.
		2118
		2119	=cut
		2120
		2121	sub cf::client::ext_event($$%) {
		2122	my ($self, $type, %msg) = @_;
		2123
		2124	$msg{msgtype} = "event_$type";
		2125	$self->send_packet ("ext " . cf::to_json \%msg);
		2126	}
2001		2127
2002	=item $success = $client->query ($flags, "text", \&cb)	2128	=item $success = $client->query ($flags, "text", \&cb)
2003		2129
2004	Queues a query to the client, calling the given callback with	2130	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2102		2228
2103	# here we export the classes and methods available to script code	2229	# here we export the classes and methods available to script code
2104		2230
2105	=pod	2231	=pod
2106		2232
2107	The following fucntions and emthods are available within a safe environment:	2233	The following functions and methods are available within a safe environment:
2108		2234
2109	cf::object contr pay_amount pay_player map	2235	cf::object contr pay_amount pay_player map
2110	cf::object::player player	2236	cf::object::player player
2111	cf::player peaceful	2237	cf::player peaceful
2112	cf::map trigger	2238	cf::map trigger
…		…
2197	#############################################################################	2323	#############################################################################
2198		2324
2199	=head2 EXTENSION DATABASE SUPPORT	2325	=head2 EXTENSION DATABASE SUPPORT
2200		2326
2201	Crossfire maintains a very simple database for extension use. It can	2327	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which	2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2203	excludes objects.	2329	convert to/from binary).
2204		2330
2205	The parameter C<$family> should best start with the name of the extension	2331	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.	2332	using it, it should be unique.
2207		2333
2208	=over 4	2334	=over 4
…		…
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;	2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;	2358	cf::cleanup "db_open(db): $!" if $!;
2233	};	2359	};
2234	cf::cleanup "db_open(db): $@" if $@;	2360	cf::cleanup "db_open(db): $@" if $@;
2235	};	2361	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}	2362	}
2251	}	2363	}
2252		2364
2253	sub db_get($$) {	2365	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";	2366	my $key = "$_[0]/$_[1]";
2255		2367
2256	cf::sync_job {	2368	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;	2369	BDB::db_get $DB, undef, $key, my $data;
2258		2370
2259	$! ? ()	2371	$! ? ()
2260	: Compress::LZF::sthaw $data	2372	: $data
2261	}	2373	}
2262	}	2374	}
2263		2375
2264	sub db_put($$$) {	2376	sub db_put($$$) {
2265	BDB::dbreq_pri 4;	2377	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };	2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		2379	}
		2380
		2381	=item cf::cache $id => [$paths...], $processversion => $process
		2382
		2383	Generic caching function that returns the value of the resource $id,
		2384	caching and regenerating as required.
		2385
		2386	This function can block.
		2387
		2388	=cut
		2389
		2390	sub cache {
		2391	my ($id, $src, $processversion, $process) = @_;
		2392
		2393	my $meta =
		2394	join "\x00",
		2395	$processversion,
		2396	map {
		2397	aio_stat $_
		2398	and Carp::croak "$_: $!";
		2399
		2400	($_, (stat _)[7,9])
		2401	} @$src;
		2402
		2403	my $dbmeta = db_get cache => "$id/meta";
		2404	if ($dbmeta ne $meta) {
		2405	# changed, we may need to process
		2406
		2407	my @data;
		2408	my $md5;
		2409
		2410	for (0 .. $#$src) {
		2411	0 <= aio_load $src->[$_], $data[$_]
		2412	or Carp::croak "$src->[$_]: $!";
		2413	}
		2414
		2415	# if processing is expensive, check
		2416	# checksum first
		2417	if (1) {
		2418	$md5 =
		2419	join "\x00",
		2420	$processversion,
		2421	map {
		2422	Coro::cede;
		2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2424	} 0.. $#$src;
		2425
		2426
		2427	my $dbmd5 = db_get cache => "$id/md5";
		2428	if ($dbmd5 eq $md5) {
		2429	db_put cache => "$id/meta", $meta;
		2430
		2431	return db_get cache => "$id/data";
		2432	}
		2433	}
		2434
		2435	my $t1 = Time::HiRes::time;
		2436	my $data = $process->(\@data);
		2437	my $t2 = Time::HiRes::time;
		2438
		2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2440
		2441	db_put cache => "$id/data", $data;
		2442	db_put cache => "$id/md5" , $md5;
		2443	db_put cache => "$id/meta", $meta;
		2444
		2445	return $data;
		2446	}
		2447
		2448	db_get cache => "$id/data"
		2449	}
		2450
		2451	=item fork_call { }, $args
		2452
		2453	Executes the given code block with the given arguments in a seperate
		2454	process, returning the results. Everything must be serialisable with
		2455	Coro::Storable. May, of course, block. Note that the executed sub may
		2456	never block itself or use any form of Event handling.
		2457
		2458	=cut
		2459
		2460	sub fork_call(&@) {
		2461	my ($cb, @args) = @_;
		2462
		2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2464	# or die "socketpair: $!";
		2465	pipe my $fh1, my $fh2
		2466	or die "pipe: $!";
		2467
		2468	if (my $pid = fork) {
		2469	close $fh2;
		2470
		2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2472	$res = Coro::Storable::thaw $res;
		2473
		2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2475
		2476	die $$res unless "ARRAY" eq ref $res;
		2477
		2478	return wantarray ? @$res : $res->[-1];
		2479	} else {
		2480	reset_signals;
		2481	local $SIG{__WARN__};
		2482	local $SIG{__DIE__};
		2483	eval {
		2484	close $fh1;
		2485
		2486	my @res = eval { $cb->(@args) };
		2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2488	};
		2489
		2490	warn $@ if $@;
		2491	_exit 0;
		2492	}
2267	}	2493	}
2268		2494
2269	#############################################################################	2495	#############################################################################
2270	# the server's init and main functions	2496	# the server's init and main functions
2271		2497
2272	sub load_faces {	2498	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	2499	my ($path) = @_;
2274		2500
2275	warn "loading faces from $path\n";	2501	warn "loading facedata from $path\n";
2276		2502
2277	my $faces;	2503	my $facedata;
2278	0 < aio_load $path, $faces	2504	0 < aio_load $path, $facedata
2279	or die "$path: $!";	2505	or die "$path: $!";
2280		2506
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	2507	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		2508
		2509	$facedata->{version} == 2
		2510	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2511
		2512	{
		2513	my $faces = $facedata->{faceinfo};
		2514
2285	while (my ($face, $info) = each %$faces) {	2515	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2289	Coro::cede;	2520	Coro::cede;
		2521	}
		2522
		2523	while (my ($face, $info) = each %$faces) {
		2524	next unless $info->{smooth};
		2525	my $idx = cf::face::find $face
		2526	or next;
		2527	if (my $smooth = cf::face::find $info->{smooth}) {
		2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2529	} else {
		2530	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2531	}
		2532	Coro::cede;
		2533	}
		2534	}
		2535
		2536	{
		2537	my $anims = $facedata->{animinfo};
		2538
		2539	while (my ($anim, $info) = each %$anims) {
		2540	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2541	Coro::cede;
		2542	}
		2543
		2544	cf::anim::invalidate_all; # d'oh
2290	}	2545	}
2291		2546
2292	1	2547	1
2293	}	2548	}
2294		2549
		2550	sub reload_regions {
		2551	load_resource_file "$MAPDIR/regions"
		2552	or die "unable to load regions file\n";
		2553	}
		2554
		2555	sub reload_facedata {
		2556	load_facedata "$DATADIR/facedata"
		2557	or die "unable to load facedata\n";
		2558	}
		2559
		2560	sub reload_archetypes {
		2561	load_resource_file "$DATADIR/archetypes"
		2562	or die "unable to load archetypes\n";
		2563	}
		2564
		2565	sub reload_treasures {
		2566	load_resource_file "$DATADIR/treasures"
		2567	or die "unable to load treasurelists\n";
		2568	}
		2569
2295	sub reload_resources {	2570	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2571	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	2572
		2573	reload_regions;
2298	load_faces	2574	reload_facedata;
2299	or die "unable to load faces\n";#d#	2575	#reload_archetypes;#d#
		2576	reload_archetypes;
		2577	reload_treasures;
		2578
		2579	warn "finished reloading resource files\n";
2300	}	2580	}
2301		2581
2302	sub init {	2582	sub init {
2303	reload_resources;	2583	reload_resources;
2304	}	2584	}
2305		2585
2306	sub cfg_load {	2586	sub cfg_load {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	2587	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	2588	or return;
2309		2589
2310	local $/;	2590	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	2591	*CFG = YAML::Syck::Load <$fh>;
2312		2592
…		…
2397		2677
2398	warn Carp::longmess "post_cleanup backtrace"	2678	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	2679	if $make_core;
2400	}	2680	}
2401		2681
2402	sub reload() {	2682	sub do_reload_perl() {
2403	# can/must only be called in main	2683	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	2684	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	2685	warn "can only reload from main coroutine";
2406	return;	2686	return;
2407	}	2687	}
…		…
2482	Symbol::delete_package "safe::$_"	2762	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2763	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		2764
2485	warn "unloading cf.pm \"a bit\"";	2765	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	2766	delete $INC{"cf.pm"};
		2767	delete $INC{"cf/pod.pm"};
2487		2768
2488	# don't, removes xs symbols, too,	2769	# don't, removes xs symbols, too,
2489	# and global variables created in xs	2770	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	2771	#Symbol::delete_package __PACKAGE__;
2491		2772
…		…
2506	warn "reattaching attachments to maps";	2787	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	2788	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	2789	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	2790	reattach $_ for values %PLAYER;
2510		2791
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	2792	warn "leaving sync_job";
2515		2793
2516	1	2794	1
2517	} or do {	2795	} or do {
2518	warn $@;	2796	warn $@;
…		…
2523	warn "reloaded";	2801	warn "reloaded";
2524	};	2802	};
2525		2803
2526	our $RELOAD_WATCHER; # used only during reload	2804	our $RELOAD_WATCHER; # used only during reload
2527		2805
		2806	sub reload_perl() {
		2807	# doing reload synchronously and two reloads happen back-to-back,
		2808	# coro crashes during coro_state_free->destroy here.
		2809
		2810	$RELOAD_WATCHER ||= Event->timer (
		2811	reentrant => 0,
		2812	after => 0,
		2813	data => WF_AUTOCANCEL,
		2814	cb => sub {
		2815	do_reload_perl;
		2816	undef $RELOAD_WATCHER;
		2817	},
		2818	);
		2819	}
		2820
2528	register_command "reload" => sub {	2821	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	2822	my ($who, $arg) = @_;
2530		2823
2531	if ($who->flag (FLAG_WIZ)) {	2824	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	2825	$who->message ("reloading server.");
2533		2826	async { reload_perl };
2534	# doing reload synchronously and two reloads happen back-to-back,
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);
2546	}	2827	}
2547	};	2828	};
2548		2829
2549	unshift @INC, $LIBDIR;	2830	unshift @INC, $LIBDIR;
2550		2831
2551	my $bug_warning = 0;	2832	my $bug_warning = 0;
2552		2833
		2834	our @WAIT_FOR_TICK;
		2835	our @WAIT_FOR_TICK_BEGIN;
		2836
		2837	sub wait_for_tick {
		2838	return unless $TICK_WATCHER->is_active;
		2839	return if $Coro::current == $Coro::main;
		2840
		2841	my $signal = new Coro::Signal;
		2842	push @WAIT_FOR_TICK, $signal;
		2843	$signal->wait;
		2844	}
		2845
		2846	sub wait_for_tick_begin {
		2847	return unless $TICK_WATCHER->is_active;
		2848	return if $Coro::current == $Coro::main;
		2849
		2850	my $signal = new Coro::Signal;
		2851	push @WAIT_FOR_TICK_BEGIN, $signal;
		2852	$signal->wait;
		2853	}
		2854
		2855	my $min = 1e6;#d#
		2856	my $avg = 10;
2553	$TICK_WATCHER = Event->timer (	2857	$TICK_WATCHER = Event->timer (
2554	reentrant => 0,	2858	reentrant => 0,
2555	parked => 1,	2859	parked => 1,
2556	prio => 0,	2860	prio => 0,
2557	at => $NEXT_TICK || $TICK,	2861	at => $NEXT_TICK || $TICK,
…		…
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2865	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	2866	unless ++$bug_warning > 10;
2563	return;	2867	return;
2564	}	2868	}
2565		2869
2566	$NOW = Event::time;	2870	$NOW = $tick_start = Event::time;
2567		2871
2568	cf::server_tick; # one server iteration	2872	cf::server_tick; # one server iteration
		2873
		2874	0 && sync_job {#d#
		2875	for(1..10) {
		2876	my $t = Event::time;
		2877	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2878	or die;
		2879
		2880	$map->width (50);
		2881	$map->height (50);
		2882	$map->alloc;
		2883	$map->_load_objects ("/tmp/x.map", 1);
		2884	my $t = Event::time - $t;
		2885
		2886	#next unless $t < 0.0013;#d#
		2887	if ($t < $min) {
		2888	$min = $t;
		2889	}
		2890	$avg = $avg * 0.99 + $t * 0.01;
		2891	}
		2892	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2893	exit 0;
		2894	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2895	};
		2896
2569	$RUNTIME += $TICK;	2897	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	2898	$NEXT_TICK += $TICK;
2571		2899
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	2900	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	2901	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2575	write_runtime	2903	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	2904	or warn "ERROR: unable to write runtime file: $!";
2577	};	2905	};
2578	}	2906	}
2579		2907
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;	2908	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#	2909	# warn $AFTER - $NOW;#d#
2585		2910
		2911	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2912	$sig->send;
		2913	}
		2914	while (my $sig = shift @WAIT_FOR_TICK) {
		2915	$sig->send;
		2916	}
		2917
		2918	$NOW = Event::time;
		2919
2586	# if we are delayed by four ticks or more, skip them all	2920	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2921	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588		2922
2589	$TICK_WATCHER->at ($NEXT_TICK);	2923	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;	2924	$TICK_WATCHER->start;
		2925
		2926	$LOAD = ($NOW - $tick_start) / $TICK;
		2927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2928
		2929	_post_tick;
		2930
		2931
2591	},	2932	},
2592	);	2933	);
2593		2934
2594	{	2935	{
2595	BDB::max_poll_time $TICK * 0.1;	2936	BDB::max_poll_time $TICK * 0.1;
…		…
2623		2964
2624	cf::sync_job {	2965	cf::sync_job {
2625	eval {	2966	eval {
2626	BDB::db_env_open	2967	BDB::db_env_open
2627	$DB_ENV,	2968	$DB_ENV,
2628	$BDB_ENV_DIR,	2969	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	2970	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	2972	0666;
2632		2973
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634		2975
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	2976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;	2977	$DB_ENV->set_lk_detect;
2637	};	2978	};
2638		2979
…		…
2654	prio => 6,	2995	prio => 6,
2655	cb => \&IO::AIO::poll_cb,	2996	cb => \&IO::AIO::poll_cb,
2656	);	2997	);
2657	}	2998	}
2658		2999
		3000	my $_log_backtrace;
		3001
		3002	sub _log_backtrace {
		3003	my ($msg, @addr) = @_;
		3004
		3005	$msg =~ s/\n//;
		3006
		3007	# limit the # of concurrent backtraces
		3008	if ($_log_backtrace < 2) {
		3009	++$_log_backtrace;
		3010	async {
		3011	my @bt = fork_call {
		3012	@addr = map { sprintf "%x", $_ } @addr;
		3013	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3014	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3015	or die "addr2line: $!";
		3016
		3017	my @funcs;
		3018	my @res = <$fh>;
		3019	chomp for @res;
		3020	while (@res) {
		3021	my ($func, $line) = splice @res, 0, 2, ();
		3022	push @funcs, "[$func] $line";
		3023	}
		3024
		3025	@funcs
		3026	};
		3027
		3028	LOG llevInfo, "[ABT] $msg\n";
		3029	LOG llevInfo, "[ABT] $_\n" for @bt;
		3030	--$_log_backtrace;
		3031	};
		3032	} else {
		3033	LOG llevInfo, "[ABT] $msg\n";
		3034	LOG llevInfo, "[ABT] [suppressed]\n";
		3035	}
		3036	}
		3037
		3038	# load additional modules
		3039	use cf::pod;
		3040
2659	END { cf::emergency_save }	3041	END { cf::emergency_save }
2660		3042
2661	1	3043	1
2662		3044

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