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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 1.277 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;
		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}) {
…		…
1658	$cf::MAP{$self->path} = $self;	1776	$cf::MAP{$self->path} = $self;
1659		1777
1660	$self->reset; # polite request, might not happen	1778	$self->reset; # polite request, might not happen
1661	}	1779	}
1662		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
1663	=item cf::map::unique_maps	1817	=item cf::map::unique_maps
1664		1818
1665	Returns an arrayref of paths of all shared maps that have	1819	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	1820	instantiated unique items. May block.
1667		1821
1668	=cut	1822	=cut
1669		1823
1670	sub unique_maps() {	1824	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1825	[
1672	or return;	1826	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	1827	utf8::decode $_;
1678	next if /\.pst$/;	1828	/\.map$/
1679	next unless /^$PATH_SEP/o;	1829	? normalise $_
1680		1830	: ()
1681	push @paths, cf::map::normalise $_;	1831	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	1832	]
1683
1684	\@paths
1685	}	1833	}
1686		1834
1687	package cf;	1835	package cf;
1688		1836
1689	=back	1837	=back
…		…
1795	$self->deactivate_recursive;	1943	$self->deactivate_recursive;
1796		1944
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	1945	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		1946
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1947	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	1948	if $self->map && $self->map->{path} ne "{link}";
1801		1949
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1950	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	1951	}
1804		1952
1805	sub cf::object::player::leave_link {	1953	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	1954	my ($self, $map, $x, $y) = @_;
		1955
		1956	return unless $self->contr->active;
1807		1957
1808	my $link_pos = delete $self->{_link_pos};	1958	my $link_pos = delete $self->{_link_pos};
1809		1959
1810	unless ($map) {	1960	unless ($map) {
1811	# restore original map position	1961	# restore original map position
…		…
1834		1984
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	1986	$self->enter_map ($map, $x, $y);
1837	}	1987	}
1838		1988
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)	1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1872		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
1873	=cut	1996	=cut
		1997
		1998	our $GOTOGEN;
1874		1999
1875	sub cf::object::player::goto {	2000	sub cf::object::player::goto {
1876	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;
1877		2005
1878	$self->enter_link;	2006	$self->enter_link;
1879		2007
1880	(async {	2008	(async {
1881	my $map = eval {	2009	my $map = eval {
1882	my $map = cf::map::find $path;	2010	my $map = cf::map::find $path;
		2011
		2012	if ($map) {
1883	$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
1884	$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 $@;
1885	} or	2025	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2026
		2027	if ($gen == $self->{_goto_generation}) {
		2028	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2029	$self->leave_link ($map, $x, $y);
		2030	}
1889	})->prio (1);	2031	})->prio (1);
1890	}	2032	}
1891		2033
1892	=item $player_object->enter_exit ($exit_object)	2034	=item $player_object->enter_exit ($exit_object)
1893		2035
…		…
1932		2074
1933	$rmp->{random_seed} ||= $exit->random_seed;	2075	$rmp->{random_seed} ||= $exit->random_seed;
1934		2076
1935	my $data = cf::to_json $rmp;	2077	my $data = cf::to_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2078	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2079	my $meta = "$RANDOMDIR/$md5.meta";
1938		2080
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2082	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2083	undef $fh;
1942	aio_rename "$meta~", $meta;	2084	aio_rename "$meta~", $meta;
…		…
1951		2093
1952	return unless $self->type == cf::PLAYER;	2094	return unless $self->type == cf::PLAYER;
1953		2095
1954	if ($exit->slaying eq "/!") {	2096	if ($exit->slaying eq "/!") {
1955	#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
1956	cf::sync_job { prepare_random_map $exit };	2100	cf::sync_job { prepare_random_map $exit };
1957	}	2101	}
1958		2102
1959	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;
1960	my $hp = $exit->stats->hp;	2104	my $hp = $exit->stats->hp;
…		…
1968	$self->goto ($slaying, $hp, $sp);	2112	$self->goto ($slaying, $hp, $sp);
1969		2113
1970	1;	2114	1;
1971	}) {	2115	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2116	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "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. "
1974	. "Please report this to the dungeon master!",	2118	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2119	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2120
1977	warn "ERROR in enter_exit: $@";	2121	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2122	$self->leave_link;
1979	}	2123	}
1980	})->prio (1);	2124	})->prio (1);
…		…
1993		2137
1994	sub cf::client::send_drawinfo {	2138	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2139	my ($self, $text, $flags) = @_;
1996		2140
1997	utf8::encode $text;	2141	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2143	}
2000		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	}
2001		2157
2002	=item $success = $client->query ($flags, "text", \&cb)	2158	=item $success = $client->query ($flags, "text", \&cb)
2003		2159
2004	Queues a query to the client, calling the given callback with	2160	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>,	2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2102		2258
2103	# here we export the classes and methods available to script code	2259	# here we export the classes and methods available to script code
2104		2260
2105	=pod	2261	=pod
2106		2262
2107	The following fucntions and emthods are available within a safe environment:	2263	The following functions and methods are available within a safe environment:
2108		2264
2109	cf::object contr pay_amount pay_player map	2265	cf::object contr pay_amount pay_player map
2110	cf::object::player player	2266	cf::object::player player
2111	cf::player peaceful	2267	cf::player peaceful
2112	cf::map trigger	2268	cf::map trigger
…		…
2197	#############################################################################	2353	#############################################################################
2198		2354
2199	=head2 EXTENSION DATABASE SUPPORT	2355	=head2 EXTENSION DATABASE SUPPORT
2200		2356
2201	Crossfire maintains a very simple database for extension use. It can	2357	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which	2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2203	excludes objects.	2359	convert to/from binary).
2204		2360
2205	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
2206	using it, it should be unique.	2362	using it, it should be unique.
2207		2363
2208	=over 4	2364	=over 4
…		…
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;	2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;	2388	cf::cleanup "db_open(db): $!" if $!;
2233	};	2389	};
2234	cf::cleanup "db_open(db): $@" if $@;	2390	cf::cleanup "db_open(db): $@" if $@;
2235	};	2391	};
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	}	2392	}
2251	}	2393	}
2252		2394
2253	sub db_get($$) {	2395	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";	2396	my $key = "$_[0]/$_[1]";
2255		2397
2256	cf::sync_job {	2398	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;	2399	BDB::db_get $DB, undef, $key, my $data;
2258		2400
2259	$! ? ()	2401	$! ? ()
2260	: Compress::LZF::sthaw $data	2402	: $data
2261	}	2403	}
2262	}	2404	}
2263		2405
2264	sub db_put($$$) {	2406	sub db_put($$$) {
2265	BDB::dbreq_pri 4;	2407	BDB::dbreq_pri 4;
2266	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	}
2267	}	2523	}
2268		2524
2269	#############################################################################	2525	#############################################################################
2270	# the server's init and main functions	2526	# the server's init and main functions
2271		2527
2272	sub load_faces {	2528	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	2529	my ($path) = @_;
2274		2530
2275	warn "loading faces from $path\n";	2531	warn "loading facedata from $path\n";
2276		2532
2277	my $faces;	2533	my $facedata;
2278	0 < aio_load $path, $faces	2534	0 < aio_load $path, $facedata
2279	or die "$path: $!";	2535	or die "$path: $!";
2280		2536
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	2537	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		2538
		2539	$facedata->{version} == 2
		2540	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2541
		2542	{
		2543	my $faces = $facedata->{faceinfo};
		2544
2285	while (my ($face, $info) = each %$faces) {	2545	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2288	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};
2289	Coro::cede;	2550	Coro::cede;
		2551	}
		2552
		2553	while (my ($face, $info) = each %$faces) {
		2554	next unless $info->{smooth};
		2555	my $idx = cf::face::find $face
		2556	or next;
		2557	if (my $smooth = cf::face::find $info->{smooth}) {
		2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2559	} else {
		2560	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2561	}
		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
2290	}	2575	}
2291		2576
2292	1	2577	1
2293	}	2578	}
2294		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
2295	sub reload_resources {	2600	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2601	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	2602
		2603	reload_regions;
2298	load_faces	2604	reload_facedata;
2299	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";
2300	}	2610	}
2301		2611
2302	sub init {	2612	sub init {
2303	reload_resources;	2613	reload_resources;
2304	}	2614	}
2305		2615
2306	sub cfg_load {	2616	sub cfg_load {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	2617	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	2618	or return;
2309		2619
2310	local $/;	2620	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	2621	*CFG = YAML::Syck::Load <$fh>;
2312		2622
…		…
2397		2707
2398	warn Carp::longmess "post_cleanup backtrace"	2708	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	2709	if $make_core;
2400	}	2710	}
2401		2711
2402	sub reload() {	2712	sub do_reload_perl() {
2403	# can/must only be called in main	2713	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	2714	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	2715	warn "can only reload from main coroutine";
2406	return;	2716	return;
2407	}	2717	}
…		…
2482	Symbol::delete_package "safe::$_"	2792	Symbol::delete_package "safe::$_"
2483	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);
2484		2794
2485	warn "unloading cf.pm \"a bit\"";	2795	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	2796	delete $INC{"cf.pm"};
		2797	delete $INC{"cf/pod.pm"};
2487		2798
2488	# don't, removes xs symbols, too,	2799	# don't, removes xs symbols, too,
2489	# and global variables created in xs	2800	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	2801	#Symbol::delete_package __PACKAGE__;
2491		2802
…		…
2506	warn "reattaching attachments to maps";	2817	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	2818	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	2819	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	2820	reattach $_ for values %PLAYER;
2510		2821
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	2822	warn "leaving sync_job";
2515		2823
2516	1	2824	1
2517	} or do {	2825	} or do {
2518	warn $@;	2826	warn $@;
…		…
2523	warn "reloaded";	2831	warn "reloaded";
2524	};	2832	};
2525		2833
2526	our $RELOAD_WATCHER; # used only during reload	2834	our $RELOAD_WATCHER; # used only during reload
2527		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
2528	register_command "reload" => sub {	2851	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	2852	my ($who, $arg) = @_;
2530		2853
2531	if ($who->flag (FLAG_WIZ)) {	2854	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	2855	$who->message ("reloading server.");
2533		2856	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	}	2857	}
2547	};	2858	};
2548		2859
2549	unshift @INC, $LIBDIR;	2860	unshift @INC, $LIBDIR;
2550		2861
2551	my $bug_warning = 0;	2862	my $bug_warning = 0;
2552		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;
2553	$TICK_WATCHER = Event->timer (	2887	$TICK_WATCHER = Event->timer (
2554	reentrant => 0,	2888	reentrant => 0,
2555	parked => 1,	2889	parked => 1,
2556	prio => 0,	2890	prio => 0,
2557	at => $NEXT_TICK || $TICK,	2891	at => $NEXT_TICK || $TICK,
…		…
2561	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"
2562	unless ++$bug_warning > 10;	2896	unless ++$bug_warning > 10;
2563	return;	2897	return;
2564	}	2898	}
2565		2899
2566	$NOW = Event::time;	2900	$NOW = $tick_start = Event::time;
2567		2901
2568	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
2569	$RUNTIME += $TICK;	2927	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	2928	$NEXT_TICK += $TICK;
2571		2929
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2575	write_runtime	2933	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	2934	or warn "ERROR: unable to write runtime file: $!";
2577	};	2935	};
2578	}	2936	}
2579		2937
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;	2938	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#	2939	# warn $AFTER - $NOW;#d#
2585		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
2586	# 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
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588		2952
2589	$TICK_WATCHER->at ($NEXT_TICK);	2953	$TICK_WATCHER->at ($NEXT_TICK);
2590	$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
2591	},	2962	},
2592	);	2963	);
2593		2964
2594	{	2965	{
2595	BDB::max_poll_time $TICK * 0.1;	2966	BDB::max_poll_time $TICK * 0.1;
…		…
2623		2994
2624	cf::sync_job {	2995	cf::sync_job {
2625	eval {	2996	eval {
2626	BDB::db_env_open	2997	BDB::db_env_open
2627	$DB_ENV,	2998	$DB_ENV,
2628	$BDB_ENV_DIR,	2999	$BDBDIR,
2629	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
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3002	0666;
2632		3003
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634		3005
2635	$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);
2636	$DB_ENV->set_lk_detect;	3007	$DB_ENV->set_lk_detect;
2637	};	3008	};
2638		3009
…		…
2654	prio => 6,	3025	prio => 6,
2655	cb => \&IO::AIO::poll_cb,	3026	cb => \&IO::AIO::poll_cb,
2656	);	3027	);
2657	}	3028	}
2658		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
2659	END { cf::emergency_save }	3071	END { cf::emergency_save }
2660		3072
2661	1	3073	1
2662		3074

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