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/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.224 by root, Mon Mar 12 21:42:12 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;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.61 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
21		24
22	use BDB ();	25	use BDB ();
23	use Data::Dumper;	26	use Data::Dumper;
24	use Digest::MD5;	27	use Digest::MD5;
25	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
26	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
27	use YAML::Syck ();
28	use Time::HiRes;	31	use Time::HiRes;
29	use Compress::LZF;	32	use Compress::LZF;
30		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
33	$Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
34
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36		41
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
38	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
39		44
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
41		48
42	our %COMMAND = ();	49	our %COMMAND = ();
43	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
44		51
45	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
…		…
47	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
49		56
50	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
51	our @EVENT;	58	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		59
54	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
55	our $TICK_WATCHER;	73	our $TICK_WATCHER;
56	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	76	our $NEXT_TICK;
59	our $NOW;	77	our $NOW;
…		…
68	our $RUNTIME;	86	our $RUNTIME;
69		87
70	our %PLAYER; # all users	88	our %PLAYER; # all users
71	our %MAP; # all maps	89	our %MAP; # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		91
79	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
		98
82	binmode STDOUT;	99	binmode STDOUT;
83	binmode STDERR;	100	binmode STDERR;
84		101
85	# read virtual server time, if available	102	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
87	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
88	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
89	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
90	}	107	}
91		108
92	mkdir cf::localdir;	109	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir cf::localdir . "/" . cf::tmpdir;
95	mkdir cf::localdir . "/" . cf::uniquedir;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		111
99	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
100		113
101	sub cf::map::normalise;	114	sub cf::map::normalise;
102		115
…		…
113	=item $cf::RUNTIME	126	=item $cf::RUNTIME
114		127
115	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
116	every server tick.	129	every server tick.
117		130
118	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
119		134
120	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
121	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
122		139
123	=item $cf::NOW	140	=item $cf::NOW
124		141
125	The time of the last (current) server tick.	142	The time of the last (current) server tick.
126		143
127	=item $cf::TICK	144	=item $cf::TICK
128		145
129	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
130		157
131	=item %cf::CFG	158	=item %cf::CFG
132		159
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
134	from wherever your confdir points to.	161	from wherever your confdir points to.
135		162
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		164
138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
139	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
140	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
141	window of cpu time available, or simply to synchronise to the server tick.
142		168
143	=back	169	=back
144		170
145	=cut	171	=cut
146		172
147	BEGIN {	173	BEGIN {
148	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	175	my $msg = join "", @_;
150	utf8::encode $msg;
151		176
152	$msg .= "\n"	177	$msg .= "\n"
153	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
154		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
155	LOG llevError, $msg;	183	LOG llevError, $msg;
156	};	184	};
157	}	185	}
158		186
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
164	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
165		194
166	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
167	# within the Safe compartment.	196	# within the Safe compartment.
168	for my $pkg (qw(	197	for my $pkg (qw(
169	cf::global cf::attachable	198	cf::global cf::attachable
…		…
205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
206	$d	235	$d
207	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
208	}	237	}
209		238
210	use JSON::Syck (); # TODO# replace by JSON::PC once working	239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
211		240
212	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
213		242
214	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
215		244
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
224		246
225	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
226
227	=cut
228
229	sub to_json($) {
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
231	JSON::Syck::Dump $_[0]
232	}
233		248
234	=item cf::lock_wait $string	249	=item cf::lock_wait $string
235		250
236	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
237		252
…		…
243	returned.	258	returned.
244		259
245	Lock names should begin with a unique identifier (for example, cf::map::find	260	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
247		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
248	=cut	267	=cut
249		268
250	our %LOCK;	269	our %LOCK;
251		270
252	sub lock_wait($) {	271	sub lock_wait($) {
…		…
269		288
270	Coro::guard {	289	Coro::guard {
271	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
273	}	292	}
		293	}
		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
274	}	299	}
275		300
276	sub freeze_mainloop {	301	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
278		303
…		…
308		333
309	sub sync_job(&) {	334	sub sync_job(&) {
310	my ($job) = @_;	335	my ($job) = @_;
311		336
312	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
313	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
315		342
316	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
317	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
328		355
329	while ($busy) {	356	while ($busy) {
330	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
331	}	358	}
332		359
		360	$time = Event::time - $time;
		361
		362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		364
		365	$tick_start += $time; # do not account sync jobs to server load
		366
333	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
334	} else {	368	} else {
335	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
336		370
337	$job->()	371	$job->()
…		…
357		391
358	$coro	392	$coro
359	}	393	}
360		394
361	sub write_runtime {	395	sub write_runtime {
		396	my $runtime = "$LOCALDIR/runtime";
		397
		398	# first touch the runtime file to show we are still running:
		399	# the fsync below can take a very very long time.
		400
		401	IO::AIO::aio_utime $runtime, undef, undef;
		402
362	my $guard = cf::lock_acquire "write_runtime";	403	my $guard = cf::lock_acquire "write_runtime";
363
364	my $runtime = cf::localdir . "/runtime";
365		404
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
367	or return;	406	or return;
368		407
369	my $value = $cf::RUNTIME + 90 + 10;	408	my $value = $cf::RUNTIME + 90 + 10;
…		…
375		414
376	# always fsync - this file is important	415	# always fsync - this file is important
377	aio_fsync $fh	416	aio_fsync $fh
378	and return;	417	and return;
379		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
380	close $fh	422	close $fh
381	or return;	423	or return;
382		424
383	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
384	and return;	426	and return;
385		427
		428	warn "runtime file written.\n";
		429
386	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	442	}
388		443
389	=back	444	=back
390		445
391	=cut	446	=cut
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
572		627
573	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		632
578	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	634	my $pkg = shift @arg;
580		635
581	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
622	if (ref $_[0]) {	677	if (ref $_[0]) {
623	_object_attach @_;	678	_object_attach @_;
624	} else {	679	} else {
625	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
626	}	681	}
		682	_recalc_want;
627	};	683	};
628		684
629	# all those should be optimised	685	# all those should be optimised
630	sub cf::attachable::detach {	686	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
635	reattach ($obj);	691	reattach ($obj);
636	} else {	692	} else {
637	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
638	}	694	}
		695	_recalc_want;
639	};	696	};
640		697
641	sub cf::attachable::attached {	698	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
643		700
…		…
816	or return;	873	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
818	}	875	}
819		876
820	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	879	return ($data, $av);
823	}	880	}
824		881
825	#############################################################################	882	#############################################################################
826	# command handling &c	883	# command handling &c
…		…
953	Returns the given player object, loading it if necessary (might block).	1010	Returns the given player object, loading it if necessary (might block).
954		1011
955	=cut	1012	=cut
956		1013
957	sub playerdir($) {	1014	sub playerdir($) {
958	cf::localdir	1015	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1016	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1017	}
964		1018
965	sub path($) {	1019	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1020	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1021
968	(playerdir $login) . "/$login.pl"	1022	(playerdir $login) . "/playerdata"
969	}	1023	}
970		1024
971	sub find_active($) {	1025	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1026	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1027	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1040	my $login = $_[0];
987		1041
988	my $guard = cf::lock_acquire "user_find:$login";	1042	my $guard = cf::lock_acquire "user_find:$login";
989		1043
990	$cf::PLAYER{$_[0]} || do {	1044	$cf::PLAYER{$_[0]} || do {
		1045	# rename old playerfiles to new ones
		1046	#TODO: remove when no longer required
		1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1050	aio_unlink +(playerdir $login) . "/$login.pl";
		1051
991	my $pl = load_pl path $login	1052	my $pl = load_pl path $login
992	or return;	1053	or return;
993	$cf::PLAYER{$login} = $pl	1054	$cf::PLAYER{$login} = $pl
994	}	1055	}
995	}	1056	}
…		…
1079	while and may block, so not sync_job-capable, ever.	1140	while and may block, so not sync_job-capable, ever.
1080		1141
1081	=cut	1142	=cut
1082		1143
1083	sub list_logins {	1144	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1145	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1146	or return [];
1086		1147
1087	my @logins;	1148	my @logins;
1088		1149
1089	for my $login (@$dirs) {	1150	for my $login (@$dirs) {
…		…
1124	}	1185	}
1125		1186
1126	\@paths	1187	\@paths
1127	}	1188	}
1128		1189
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1190	=item $player->ext_reply ($msgid, %msg)
1130		1191
1131	Sends an ext reply to the player.	1192	Sends an ext reply to the player.
1132		1193
1133	=cut	1194	=cut
1134		1195
1135	sub ext_reply($$$%) {	1196	sub ext_reply($$%) {
1136	my ($self, $id, %msg) = @_;	1197	my ($self, $id, %msg) = @_;
1137		1198
1138	$msg{msgid} = $id;	1199	$msg{msgid} = $id;
1139		1200
1140	$self->send ("ext " . cf::to_json \%msg);	1201	$self->send ("ext " . cf::to_json \%msg);
1141	}	1202	}
1142		1203
1143	package cf;	1204	=item $player->ext_event ($type, %msg)
		1205
		1206	Sends an ext event to the client.
		1207
		1208	=cut
		1209
		1210	sub ext_event($$%) {
		1211	my ($self, $type, %msg) = @_;
		1212
		1213	$self->ns->ext_event ($type, %msg);
		1214	}
		1215
		1216	=head3 cf::region
		1217
		1218	=over 4
		1219
		1220	=cut
		1221
		1222	package cf::region;
		1223
		1224	=item cf::region::find_by_path $path
		1225
		1226	Tries to decuce the probable region for a map knowing only its path.
		1227
		1228	=cut
		1229
		1230	sub find_by_path($) {
		1231	my ($path) = @_;
		1232
		1233	my ($match, $specificity);
		1234
		1235	for my $region (list) {
		1236	if ($region->match && $path =~ $region->match) {
		1237	($match, $specificity) = ($region, $region->specificity)
		1238	if $region->specificity > $specificity;
		1239	}
		1240	}
		1241
		1242	$match
		1243	}
1144		1244
1145	=back	1245	=back
1146
1147		1246
1148	=head3 cf::map	1247	=head3 cf::map
1149		1248
1150	=over 4	1249	=over 4
1151		1250
…		…
1206	my ($self, $merge) = @_;	1305	my ($self, $merge) = @_;
1207		1306
1208	# we have to keep some variables in memory intact	1307	# we have to keep some variables in memory intact
1209	local $self->{path};	1308	local $self->{path};
1210	local $self->{load_path};	1309	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1310
1214	$self->SUPER::thawer_merge ($merge);	1311	$self->SUPER::thawer_merge ($merge);
1215	}	1312	}
1216		1313
1217	sub normalise {	1314	sub normalise {
…		…
1289		1386
1290	# the original (read-only) location	1387	# the original (read-only) location
1291	sub load_path {	1388	sub load_path {
1292	my ($self) = @_;	1389	my ($self) = @_;
1293		1390
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1391	"$MAPDIR/$self->{path}.map"
1295	}	1392	}
1296		1393
1297	# the temporary/swap location	1394	# the temporary/swap location
1298	sub save_path {	1395	sub save_path {
1299	my ($self) = @_;	1396	my ($self) = @_;
1300		1397
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1399	"$TMPDIR/$path.map"
1303	}	1400	}
1304		1401
1305	# the unique path, undef == no special unique path	1402	# the unique path, undef == no special unique path
1306	sub uniq_path {	1403	sub uniq_path {
1307	my ($self) = @_;	1404	my ($self) = @_;
1308		1405
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1407	"$UNIQUEDIR/$path"
1311	}	1408	}
1312		1409
1313	# and all this just because we cannot iterate over	1410	# and all this just because we cannot iterate over
1314	# all maps in C++...	1411	# all maps in C++...
1315	sub change_all_map_light {	1412	sub change_all_map_light {
1316	my ($change) = @_;	1413	my ($change) = @_;
1317		1414
1318	$_->change_map_light ($change)	1415	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1416	for grep $_->outdoor, values %cf::MAP;
		1417	}
		1418
		1419	sub decay_objects {
		1420	my ($self) = @_;
		1421
		1422	return if $self->{deny_reset};
		1423
		1424	$self->do_decay_objects;
1320	}	1425	}
1321		1426
1322	sub unlink_save {	1427	sub unlink_save {
1323	my ($self) = @_;	1428	my ($self) = @_;
1324		1429
…		…
1382	$self->load_header_orig	1487	$self->load_header_orig
1383	or return;	1488	or return;
1384	$self->prepare_orig;	1489	$self->prepare_orig;
1385	}	1490	}
1386		1491
		1492	$self->{deny_reset} = 1
		1493	if $self->no_reset;
		1494
		1495	$self->default_region (cf::region::find_by_path $self->{path})
		1496	unless $self->default_region;
		1497
1387	1	1498	1
1388	}	1499	}
1389		1500
1390	sub find;	1501	sub find;
1391	sub find {	1502	sub find {
…		…
1403	$map->{last_save} = $cf::RUNTIME;	1514	$map->{last_save} = $cf::RUNTIME;
1404		1515
1405	$map->load_header	1516	$map->load_header
1406	or return;	1517	or return;
1407		1518
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1520	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1521	#$cf::WAIT_FOR_TICK->wait;
1411	$map->reset;	1522	$map->reset;
1412	undef $guard;	1523	undef $guard;
1413	return find $path;	1524	return find $path;
…		…
1424	my ($self) = @_;	1535	my ($self) = @_;
1425		1536
1426	local $self->{deny_reset} = 1; # loading can take a long time	1537	local $self->{deny_reset} = 1; # loading can take a long time
1427		1538
1428	my $path = $self->{path};	1539	my $path = $self->{path};
		1540
		1541	{
1429	my $guard = cf::lock_acquire "map_load:$path";	1542	my $guard = cf::lock_acquire "map_load:$path";
1430		1543
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1544	return if $self->in_memory != cf::MAP_SWAPPED;
1432		1545
1433	$self->in_memory (cf::MAP_LOADING);	1546	$self->in_memory (cf::MAP_LOADING);
1434		1547
1435	$self->alloc;	1548	$self->alloc;
1436		1549
1437	$self->pre_load;	1550	$self->pre_load;
1438
1439	$self->_load_objects ($self->{load_path}, 1)
1440	or return;
1441
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};
1444
1445	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {
1448	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);
1450	}
1451	}
1452
1453	Coro::cede;
1454
1455	# now do the right thing for maps
1456	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;	1551	Coro::cede;
1463	$self->set_darkness_map;	1552
		1553	$self->_load_objects ($self->{load_path}, 1)
		1554	or return;
		1555
		1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1557	if delete $self->{load_original};
		1558
		1559	if (my $uniq = $self->uniq_path) {
		1560	utf8::encode $uniq;
		1561	if (aio_open $uniq, O_RDONLY, 0) {
		1562	$self->clear_unique_items;
		1563	$self->_load_objects ($uniq, 0);
		1564	}
		1565	}
		1566
		1567	Coro::cede;
		1568	# now do the right thing for maps
		1569	$self->link_multipart_objects;
1464	$self->difficulty ($self->estimate_difficulty)	1570	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	1571	unless $self->difficulty;
1466	Coro::cede;	1572	Coro::cede;
		1573
		1574	unless ($self->{deny_activate}) {
		1575	$self->decay_objects;
		1576	$self->fix_auto_apply;
		1577	$self->update_buttons;
		1578	Coro::cede;
		1579	$self->set_darkness_map;
		1580	Coro::cede;
1467	$self->activate;	1581	$self->activate;
		1582	}
		1583
		1584	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	1585	}
1469		1586
1470	$self->post_load;	1587	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	1588	}
1474		1589
1475	sub customise_for {	1590	sub customise_for {
1476	my ($self, $ob) = @_;	1591	my ($self, $ob) = @_;
1477		1592
1478	return find "~" . $ob->name . "/" . $self->{path}	1593	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	1594	if $self->per_player;
		1595
		1596	# return find "?party/" . $ob->name . "/" . $self->{path}
		1597	# if $self->per_party;
1480		1598
1481	$self	1599	$self
1482	}	1600	}
1483		1601
1484	# find and load all maps in the 3x3 area around a map	1602	# find and load all maps in the 3x3 area around a map
…		…
1595		1713
1596	sub reset_at {	1714	sub reset_at {
1597	my ($self) = @_;	1715	my ($self) = @_;
1598		1716
1599	# TODO: safety, remove and allow resettable per-player maps	1717	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	1718	return 1e99 if $self->{deny_reset};
1602		1719
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1720	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1721	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		1722
…		…
1616	my ($self) = @_;	1733	my ($self) = @_;
1617		1734
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	1735	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		1736
1620	return if $self->players;	1737	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		1738
1623	warn "resetting map ", $self->path;#d#	1739	warn "resetting map ", $self->path;
1624		1740
1625	$self->in_memory (cf::MAP_SWAPPED);	1741	$self->in_memory (cf::MAP_SWAPPED);
1626		1742
1627	# need to save uniques path	1743	# need to save uniques path
1628	unless ($self->{deny_save}) {	1744	unless ($self->{deny_save}) {
…		…
1668	instantiated unique items. May block.	1784	instantiated unique items. May block.
1669		1785
1670	=cut	1786	=cut
1671		1787
1672	sub unique_maps() {	1788	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1789	my $files = aio_readdir $UNIQUEDIR
1674	or return;	1790	or return;
1675		1791
1676	my @paths;	1792	my @paths;
1677		1793
1678	for (@$files) {	1794	for (@$files) {
…		…
1797	$self->deactivate_recursive;	1913	$self->deactivate_recursive;
1798		1914
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	1915	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		1916
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1917	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	1918	if $self->map && $self->map->{path} ne "{link}";
1803		1919
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1920	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	1921	}
1806		1922
1807	sub cf::object::player::leave_link {	1923	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	1924	my ($self, $map, $x, $y) = @_;
		1925
		1926	return unless $self->contr->active;
1809		1927
1810	my $link_pos = delete $self->{_link_pos};	1928	my $link_pos = delete $self->{_link_pos};
1811		1929
1812	unless ($map) {	1930	unless ($map) {
1813	# restore original map position	1931	# restore original map position
…		…
1836		1954
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	1956	$self->enter_map ($map, $x, $y);
1839	}	1957	}
1840		1958
1841	cf::player->attach (
1842	on_logout => sub {
1843	my ($pl) = @_;
1844
1845	# abort map switching before logout
1846	if ($pl->ob->{_link_pos}) {
1847	cf::sync_job {
1848	$pl->ob->leave_link
1849	};
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854
1855	# try to abort aborted map switching on player login :)
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872
1873	=item $player_object->goto ($path, $x, $y)	1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1874		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
1875	=cut	1966	=cut
		1967
		1968	our $GOTOGEN;
1876		1969
1877	sub cf::object::player::goto {	1970	sub cf::object::player::goto {
1878	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;
1879		1975
1880	$self->enter_link;	1976	$self->enter_link;
1881		1977
1882	(async {	1978	(async {
1883	my $map = eval {	1979	my $map = eval {
1884	my $map = cf::map::find $path;	1980	my $map = cf::map::find $path;
		1981
		1982	if ($map) {
1885	$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
1886	$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 $@;
1887	} or	1995	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		1996
		1997	if ($gen == $self->{_goto_generation}) {
		1998	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	1999	$self->leave_link ($map, $x, $y);
		2000	}
1891	})->prio (1);	2001	})->prio (1);
1892	}	2002	}
1893		2003
1894	=item $player_object->enter_exit ($exit_object)	2004	=item $player_object->enter_exit ($exit_object)
1895		2005
…		…
1934		2044
1935	$rmp->{random_seed} ||= $exit->random_seed;	2045	$rmp->{random_seed} ||= $exit->random_seed;
1936		2046
1937	my $data = cf::to_json $rmp;	2047	my $data = cf::to_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2048	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2049	my $meta = "$RANDOMDIR/$md5.meta";
1940		2050
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2051	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2052	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2053	undef $fh;
1944	aio_rename "$meta~", $meta;	2054	aio_rename "$meta~", $meta;
…		…
1953		2063
1954	return unless $self->type == cf::PLAYER;	2064	return unless $self->type == cf::PLAYER;
1955		2065
1956	if ($exit->slaying eq "/!") {	2066	if ($exit->slaying eq "/!") {
1957	#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
1958	cf::sync_job { prepare_random_map $exit };	2070	cf::sync_job { prepare_random_map $exit };
1959	}	2071	}
1960		2072
1961	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;
1962	my $hp = $exit->stats->hp;	2074	my $hp = $exit->stats->hp;
…		…
1970	$self->goto ($slaying, $hp, $sp);	2082	$self->goto ($slaying, $hp, $sp);
1971		2083
1972	1;	2084	1;
1973	}) {	2085	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2086	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "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. "
1976	. "Please report this to the dungeon master!",	2088	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2089	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2090
1979	warn "ERROR in enter_exit: $@";	2091	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2092	$self->leave_link;
1981	}	2093	}
1982	})->prio (1);	2094	})->prio (1);
…		…
1995		2107
1996	sub cf::client::send_drawinfo {	2108	sub cf::client::send_drawinfo {
1997	my ($self, $text, $flags) = @_;	2109	my ($self, $text, $flags) = @_;
1998		2110
1999	utf8::encode $text;	2111	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2113	}
2002		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	}
2003		2127
2004	=item $success = $client->query ($flags, "text", \&cb)	2128	=item $success = $client->query ($flags, "text", \&cb)
2005		2129
2006	Queues a query to the client, calling the given callback with	2130	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2104		2228
2105	# here we export the classes and methods available to script code	2229	# here we export the classes and methods available to script code
2106		2230
2107	=pod	2231	=pod
2108		2232
2109	The following fucntions and emthods are available within a safe environment:	2233	The following functions and methods are available within a safe environment:
2110		2234
2111	cf::object contr pay_amount pay_player map	2235	cf::object contr pay_amount pay_player map
2112	cf::object::player player	2236	cf::object::player player
2113	cf::player peaceful	2237	cf::player peaceful
2114	cf::map trigger	2238	cf::map trigger
…		…
2199	#############################################################################	2323	#############################################################################
2200		2324
2201	=head2 EXTENSION DATABASE SUPPORT	2325	=head2 EXTENSION DATABASE SUPPORT
2202		2326
2203	Crossfire maintains a very simple database for extension use. It can	2327	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which	2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2205	excludes objects.	2329	convert to/from binary).
2206		2330
2207	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
2208	using it, it should be unique.	2332	using it, it should be unique.
2209		2333
2210	=over 4	2334	=over 4
…		…
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;	2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;	2358	cf::cleanup "db_open(db): $!" if $!;
2235	};	2359	};
2236	cf::cleanup "db_open(db): $@" if $@;	2360	cf::cleanup "db_open(db): $@" if $@;
2237	};	2361	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}	2362	}
2253	}	2363	}
2254		2364
2255	sub db_get($$) {	2365	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";	2366	my $key = "$_[0]/$_[1]";
2257		2367
2258	cf::sync_job {	2368	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;	2369	BDB::db_get $DB, undef, $key, my $data;
2260		2370
2261	$! ? ()	2371	$! ? ()
2262	: Compress::LZF::sthaw $data	2372	: $data
2263	}	2373	}
2264	}	2374	}
2265		2375
2266	sub db_put($$$) {	2376	sub db_put($$$) {
2267	BDB::dbreq_pri 4;	2377	BDB::dbreq_pri 4;
2268	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	}
2269	}	2493	}
2270		2494
2271	#############################################################################	2495	#############################################################################
2272	# the server's init and main functions	2496	# the server's init and main functions
2273		2497
2274	sub load_faces {	2498	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	2499	my ($path) = @_;
2276		2500
2277	warn "loading faces from $path\n";	2501	warn "loading facedata from $path\n";
2278		2502
2279	my $faces;	2503	my $facedata;
2280	0 < aio_load $path, $faces	2504	0 < aio_load $path, $facedata
2281	or die "$path: $!";	2505	or die "$path: $!";
2282		2506
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	2507	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		2508
		2509	$facedata->{version} == 2
		2510	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2511
		2512	{
		2513	my $faces = $facedata->{faceinfo};
		2514
2287	while (my ($face, $info) = each %$faces) {	2515	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2290	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};
2291	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
2292	}	2545	}
2293		2546
2294	1	2547	1
2295	}	2548	}
2296		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
2297	sub reload_resources {	2570	sub reload_resources {
2298	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2571	warn "reloading resource files...\n";
2299	or die "unable to load regions file\n";#d#	2572
		2573	reload_regions;
2300	load_faces	2574	reload_facedata;
2301	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";
2302	}	2580	}
2303		2581
2304	sub init {	2582	sub init {
2305	reload_resources;	2583	reload_resources;
2306	}	2584	}
2307		2585
2308	sub cfg_load {	2586	sub cfg_load {
2309	open my $fh, "<:utf8", cf::confdir . "/config"	2587	open my $fh, "<:utf8", "$CONFDIR/config"
2310	or return;	2588	or return;
2311		2589
2312	local $/;	2590	local $/;
2313	*CFG = YAML::Syck::Load <$fh>;	2591	*CFG = YAML::Syck::Load <$fh>;
2314		2592
…		…
2399		2677
2400	warn Carp::longmess "post_cleanup backtrace"	2678	warn Carp::longmess "post_cleanup backtrace"
2401	if $make_core;	2679	if $make_core;
2402	}	2680	}
2403		2681
2404	sub reload() {	2682	sub do_reload_perl() {
2405	# can/must only be called in main	2683	# can/must only be called in main
2406	if ($Coro::current != $Coro::main) {	2684	if ($Coro::current != $Coro::main) {
2407	warn "can only reload from main coroutine";	2685	warn "can only reload from main coroutine";
2408	return;	2686	return;
2409	}	2687	}
…		…
2484	Symbol::delete_package "safe::$_"	2762	Symbol::delete_package "safe::$_"
2485	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);
2486		2764
2487	warn "unloading cf.pm \"a bit\"";	2765	warn "unloading cf.pm \"a bit\"";
2488	delete $INC{"cf.pm"};	2766	delete $INC{"cf.pm"};
		2767	delete $INC{"cf/pod.pm"};
2489		2768
2490	# don't, removes xs symbols, too,	2769	# don't, removes xs symbols, too,
2491	# and global variables created in xs	2770	# and global variables created in xs
2492	#Symbol::delete_package __PACKAGE__;	2771	#Symbol::delete_package __PACKAGE__;
2493		2772
…		…
2508	warn "reattaching attachments to maps";	2787	warn "reattaching attachments to maps";
2509	reattach $_ for values %MAP;	2788	reattach $_ for values %MAP;
2510	warn "reattaching attachments to players";	2789	warn "reattaching attachments to players";
2511	reattach $_ for values %PLAYER;	2790	reattach $_ for values %PLAYER;
2512		2791
2513	warn "loading reloadable resources";
2514	reload_resources;
2515
2516	warn "leaving sync_job";	2792	warn "leaving sync_job";
2517		2793
2518	1	2794	1
2519	} or do {	2795	} or do {
2520	warn $@;	2796	warn $@;
…		…
2525	warn "reloaded";	2801	warn "reloaded";
2526	};	2802	};
2527		2803
2528	our $RELOAD_WATCHER; # used only during reload	2804	our $RELOAD_WATCHER; # used only during reload
2529		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
2530	register_command "reload" => sub {	2821	register_command "reload" => sub {
2531	my ($who, $arg) = @_;	2822	my ($who, $arg) = @_;
2532		2823
2533	if ($who->flag (FLAG_WIZ)) {	2824	if ($who->flag (FLAG_WIZ)) {
2534	$who->message ("reloading server.");	2825	$who->message ("reloading server.");
2535		2826	async { reload_perl };
2536	# doing reload synchronously and two reloads happen back-to-back,
2537	# coro crashes during coro_state_free->destroy here.
2538
2539	$RELOAD_WATCHER ||= Event->timer (
2540	reentrant => 0,
2541	after => 0,
2542	data => WF_AUTOCANCEL,
2543	cb => sub {
2544	reload;
2545	undef $RELOAD_WATCHER;
2546	},
2547	);
2548	}	2827	}
2549	};	2828	};
2550		2829
2551	unshift @INC, $LIBDIR;	2830	unshift @INC, $LIBDIR;
2552		2831
2553	my $bug_warning = 0;	2832	my $bug_warning = 0;
2554		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;
2555	$TICK_WATCHER = Event->timer (	2857	$TICK_WATCHER = Event->timer (
2556	reentrant => 0,	2858	reentrant => 0,
2557	parked => 1,	2859	parked => 1,
2558	prio => 0,	2860	prio => 0,
2559	at => $NEXT_TICK || $TICK,	2861	at => $NEXT_TICK || $TICK,
…		…
2563	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"
2564	unless ++$bug_warning > 10;	2866	unless ++$bug_warning > 10;
2565	return;	2867	return;
2566	}	2868	}
2567		2869
2568	$NOW = Event::time;	2870	$NOW = $tick_start = Event::time;
2569		2871
2570	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
2571	$RUNTIME += $TICK;	2897	$RUNTIME += $TICK;
2572	$NEXT_TICK += $TICK;	2898	$NEXT_TICK += $TICK;
2573		2899
2574	if ($NOW >= $NEXT_RUNTIME_WRITE) {	2900	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2575	$NEXT_RUNTIME_WRITE = $NOW + 10;	2901	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2577	write_runtime	2903	write_runtime
2578	or warn "ERROR: unable to write runtime file: $!";	2904	or warn "ERROR: unable to write runtime file: $!";
2579	};	2905	};
2580	}	2906	}
2581		2907
2582	$WAIT_FOR_TICK->broadcast;
2583	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2584
2585	# my $AFTER = Event::time;	2908	# my $AFTER = Event::time;
2586	# warn $AFTER - $NOW;#d#	2909	# warn $AFTER - $NOW;#d#
2587		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
2588	# 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
2589	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2921	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2590		2922
2591	$TICK_WATCHER->at ($NEXT_TICK);	2923	$TICK_WATCHER->at ($NEXT_TICK);
2592	$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
2593	},	2932	},
2594	);	2933	);
2595		2934
2596	{	2935	{
2597	BDB::max_poll_time $TICK * 0.1;	2936	BDB::max_poll_time $TICK * 0.1;
…		…
2625		2964
2626	cf::sync_job {	2965	cf::sync_job {
2627	eval {	2966	eval {
2628	BDB::db_env_open	2967	BDB::db_env_open
2629	$DB_ENV,	2968	$DB_ENV,
2630	$BDB_ENV_DIR,	2969	$BDBDIR,
2631	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
2632	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2633	0666;	2972	0666;
2634		2973
2635	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2636		2975
2637	$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);
2638	$DB_ENV->set_lk_detect;	2977	$DB_ENV->set_lk_detect;
2639	};	2978	};
2640		2979
…		…
2656	prio => 6,	2995	prio => 6,
2657	cb => \&IO::AIO::poll_cb,	2996	cb => \&IO::AIO::poll_cb,
2658	);	2997	);
2659	}	2998	}
2660		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
2661	END { cf::emergency_save }	3041	END { cf::emergency_save }
2662		3042
2663	1	3043	1
2664		3044

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