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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC vs.
Revision 1.276 by root, Sun Jun 10 04:05:47 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
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		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
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	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
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$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
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		59
47	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(!)
48	our $TICK_WATCHER;	73	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	76	our $NEXT_TICK;
52	our $NOW;	77	our $NOW;
53	our $USE_FSYNC; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
54		82
55	our %CFG;	83	our %CFG;
56		84
57	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	86	our $RUNTIME;
59		87
60	our %PLAYER; # all users	88	our %PLAYER; # all users
61	our %MAP; # all maps	89	our %MAP; # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		91
68	# 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 ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		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 $tick_start; # for load detecting purposes
		98
71	binmode STDOUT;	99	binmode STDOUT;
72	binmode STDERR;	100	binmode STDERR;
73		101
74	# read virtual server time, if available	102	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
79	}	107	}
80		108
81	mkdir cf::localdir;	109	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		111
87	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
88		113
89	sub cf::map::normalise;	114	sub cf::map::normalise;
90		115
…		…
101	=item $cf::RUNTIME	126	=item $cf::RUNTIME
102		127
103	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
104	every server tick.	129	every server tick.
105		130
106	=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
107		134
108	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
109	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.
110		139
111	=item $cf::NOW	140	=item $cf::NOW
112		141
113	The time of the last (current) server tick.	142	The time of the last (current) server tick.
114		143
115	=item $cf::TICK	144	=item $cf::TICK
116		145
117	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.
118		157
119	=item %cf::CFG	158	=item %cf::CFG
120		159
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
122	from wherever your confdir points to.	161	from wherever your confdir points to.
123		162
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		164
126	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
127	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
128	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.
129	window of cpu time available, or simply to synchronise to the server tick.
130		168
131	=back	169	=back
132		170
133	=cut	171	=cut
134		172
135	BEGIN {	173	BEGIN {
136	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	175	my $msg = join "", @_;
138	utf8::encode $msg;
139		176
140	$msg .= "\n"	177	$msg .= "\n"
141	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
142		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
143	LOG llevError, $msg;	183	LOG llevError, $msg;
144	};	184	};
145	}	185	}
146		186
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@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';
152	@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)
153		194
154	# 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
155	# within the Safe compartment.	196	# within the Safe compartment.
156	for my $pkg (qw(	197	for my $pkg (qw(
157	cf::global cf::attachable	198	cf::global cf::attachable
…		…
193	$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;
194	$d	235	$d
195	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
196	}	237	}
197		238
198	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
199		240
200	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
201		242
202	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
203		244
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
212		246
213	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
214
215	=cut
216
217	sub to_json($) {
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
219	JSON::Syck::Dump $_[0]
220	}
221		248
222	=item cf::lock_wait $string	249	=item cf::lock_wait $string
223		250
224	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
225		252
…		…
231	returned.	258	returned.
232		259
233	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
234	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
235		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
236	=cut	267	=cut
237		268
238	our %LOCK;	269	our %LOCK;
239		270
240	sub lock_wait($) {	271	sub lock_wait($) {
…		…
259	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
261	}	292	}
262	}	293	}
263		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
264	sub freeze_mainloop {	301	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
266		303
267	my $guard = Coro::guard {	304	my $guard = Coro::guard {
268	$TICK_WATCHER->start;	305	$TICK_WATCHER->start;
269	$WRITE_RUNTIME_WATCHER->start;
270	};	306	};
271	$WRITE_RUNTIME_WATCHER->stop;
272	$TICK_WATCHER->stop;	307	$TICK_WATCHER->stop;
273	$guard	308	$guard
274	}	309	}
275		310
276	=item cf::async { BLOCK }	311	=item cf::async { BLOCK }
…		…
298		333
299	sub sync_job(&) {	334	sub sync_job(&) {
300	my ($job) = @_;	335	my ($job) = @_;
301		336
302	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
303	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
305		342
306	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
307	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
318		355
319	while ($busy) {	356	while ($busy) {
320	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
321	}	358	}
322		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
323	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
324	} else {	368	} else {
325	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
326		370
327	$job->()	371	$job->()
…		…
347		391
348	$coro	392	$coro
349	}	393	}
350		394
351	sub write_runtime {	395	sub write_runtime {
352	my $runtime = cf::localdir . "/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
		403	my $guard = cf::lock_acquire "write_runtime";
353		404
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
355	or return;	406	or return;
356		407
357	my $value = $cf::RUNTIME + 90 + 10;	408	my $value = $cf::RUNTIME + 90 + 10;
…		…
363		414
364	# always fsync - this file is important	415	# always fsync - this file is important
365	aio_fsync $fh	416	aio_fsync $fh
366	and return;	417	and return;
367		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
368	close $fh	422	close $fh
369	or return;	423	or return;
370		424
371	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
372	and return;	426	and return;
373		427
		428	warn "runtime file written.\n";
		429
374	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	442	}
376		443
377	=back	444	=back
378		445
379	=cut	446	=cut
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
560		627
561	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		632
566	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	634	my $pkg = shift @arg;
568		635
569	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
610	if (ref $_[0]) {	677	if (ref $_[0]) {
611	_object_attach @_;	678	_object_attach @_;
612	} else {	679	} else {
613	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
614	}	681	}
		682	_recalc_want;
615	};	683	};
616		684
617	# all those should be optimised	685	# all those should be optimised
618	sub cf::attachable::detach {	686	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
623	reattach ($obj);	691	reattach ($obj);
624	} else {	692	} else {
625	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
626	}	694	}
		695	_recalc_want;
627	};	696	};
628		697
629	sub cf::attachable::attached {	698	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
631		700
…		…
778	}	847	}
779	} else {	848	} else {
780	aio_unlink $filename;	849	aio_unlink $filename;
781	aio_unlink "$filename.pst";	850	aio_unlink "$filename.pst";
782	}	851	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	852	}
790	}	853	}
791		854
792	sub object_freezer_as_string {	855	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	856	my ($rdata, $objs) = @_;
…		…
799		862
800	sub object_thawer_load {	863	sub object_thawer_load {
801	my ($filename) = @_;	864	my ($filename) = @_;
802		865
803	my ($data, $av);	866	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		867
808	(aio_load $filename, $data) >= 0	868	(aio_load $filename, $data) >= 0
809	or return;	869	or return;
810		870
811	unless (aio_stat "$filename.pst") {	871	unless (aio_stat "$filename.pst") {
…		…
813	or return;	873	or return;
814	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
815	}	875	}
816		876
817	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
819	return ($data, $av);	879	return ($data, $av);
820	}	880	}
821		881
822	#############################################################################	882	#############################################################################
823	# command handling &c	883	# command handling &c
…		…
950	Returns the given player object, loading it if necessary (might block).	1010	Returns the given player object, loading it if necessary (might block).
951		1011
952	=cut	1012	=cut
953		1013
954	sub playerdir($) {	1014	sub playerdir($) {
955	cf::localdir	1015	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1016	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1017	}
961		1018
962	sub path($) {	1019	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1020	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1021
965	(playerdir $login) . "/$login.pl"	1022	(playerdir $login) . "/playerdata"
966	}	1023	}
967		1024
968	sub find_active($) {	1025	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1026	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1027	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1040	my $login = $_[0];
984		1041
985	my $guard = cf::lock_acquire "user_find:$login";	1042	my $guard = cf::lock_acquire "user_find:$login";
986		1043
987	$cf::PLAYER{$_[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
988	my $pl = load_pl path $login	1052	my $pl = load_pl path $login
989	or return;	1053	or return;
990	$cf::PLAYER{$login} = $pl	1054	$cf::PLAYER{$login} = $pl
991	}	1055	}
992	}	1056	}
…		…
1029		1093
1030	=cut	1094	=cut
1031		1095
1032	sub quit_character {	1096	sub quit_character {
1033	my ($pl) = @_;	1097	my ($pl) = @_;
		1098
		1099	my $name = $pl->ob->name;
1034		1100
1035	$pl->{deny_save} = 1;	1101	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1102	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1103
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1109	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1110	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1111	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1112	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1113	$pl->destroy;
		1114
		1115	my $prefix = qr<^~\Q$name\E/>;
		1116
		1117	# nuke player maps
		1118	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1119
1048	IO::AIO::aio_rmtree $temp;	1120	IO::AIO::aio_rmtree $temp;
		1121	}
		1122
		1123	=item $pl->kick
		1124
		1125	Kicks a player out of the game. This destroys the connection.
		1126
		1127	=cut
		1128
		1129	sub kick {
		1130	my ($pl, $kicker) = @_;
		1131
		1132	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1133	$pl->killer ("kicked");
		1134	$pl->ns->destroy;
1049	}	1135	}
1050		1136
1051	=item cf::player::list_logins	1137	=item cf::player::list_logins
1052		1138
1053	Returns am arrayref of all valid playernames in the system, can take a	1139	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1140	while and may block, so not sync_job-capable, ever.
1055		1141
1056	=cut	1142	=cut
1057		1143
1058	sub list_logins {	1144	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1145	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1146	or return [];
1061		1147
1062	my @logins;	1148	my @logins;
1063		1149
1064	for my $login (@$dirs) {	1150	for my $login (@$dirs) {
…		…
1099	}	1185	}
1100		1186
1101	\@paths	1187	\@paths
1102	}	1188	}
1103		1189
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1190	=item $player->ext_reply ($msgid, %msg)
1105		1191
1106	Sends an ext reply to the player.	1192	Sends an ext reply to the player.
1107		1193
1108	=cut	1194	=cut
1109		1195
1110	sub ext_reply($$$%) {	1196	sub ext_reply($$%) {
1111	my ($self, $id, %msg) = @_;	1197	my ($self, $id, %msg) = @_;
1112		1198
1113	$msg{msgid} = $id;	1199	$msg{msgid} = $id;
1114		1200
1115	$self->send ("ext " . cf::to_json \%msg);	1201	$self->send ("ext " . cf::to_json \%msg);
1116	}	1202	}
1117		1203
1118	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	}
1119		1244
1120	=back	1245	=back
1121
1122		1246
1123	=head3 cf::map	1247	=head3 cf::map
1124		1248
1125	=over 4	1249	=over 4
1126		1250
…		…
1181	my ($self, $merge) = @_;	1305	my ($self, $merge) = @_;
1182		1306
1183	# we have to keep some variables in memory intact	1307	# we have to keep some variables in memory intact
1184	local $self->{path};	1308	local $self->{path};
1185	local $self->{load_path};	1309	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1310
1189	$self->SUPER::thawer_merge ($merge);	1311	$self->SUPER::thawer_merge ($merge);
1190	}	1312	}
1191		1313
1192	sub normalise {	1314	sub normalise {
…		…
1264		1386
1265	# the original (read-only) location	1387	# the original (read-only) location
1266	sub load_path {	1388	sub load_path {
1267	my ($self) = @_;	1389	my ($self) = @_;
1268		1390
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1391	"$MAPDIR/$self->{path}.map"
1270	}	1392	}
1271		1393
1272	# the temporary/swap location	1394	# the temporary/swap location
1273	sub save_path {	1395	sub save_path {
1274	my ($self) = @_;	1396	my ($self) = @_;
1275		1397
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1399	"$TMPDIR/$path.map"
1278	}	1400	}
1279		1401
1280	# the unique path, undef == no special unique path	1402	# the unique path, undef == no special unique path
1281	sub uniq_path {	1403	sub uniq_path {
1282	my ($self) = @_;	1404	my ($self) = @_;
1283		1405
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1407	"$UNIQUEDIR/$path"
1286	}	1408	}
1287		1409
1288	# and all this just because we cannot iterate over	1410	# and all this just because we cannot iterate over
1289	# all maps in C++...	1411	# all maps in C++...
1290	sub change_all_map_light {	1412	sub change_all_map_light {
…		…
1292		1414
1293	$_->change_map_light ($change)	1415	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1416	for grep $_->outdoor, values %cf::MAP;
1295	}	1417	}
1296		1418
		1419	sub decay_objects {
		1420	my ($self) = @_;
		1421
		1422	return if $self->{deny_reset};
		1423
		1424	$self->do_decay_objects;
		1425	}
		1426
1297	sub unlink_save {	1427	sub unlink_save {
1298	my ($self) = @_;	1428	my ($self) = @_;
1299		1429
1300	utf8::encode (my $save = $self->save_path);	1430	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1431	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1432	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1433	}
1309		1434
1310	sub load_header_from($) {	1435	sub load_header_from($) {
1311	my ($self, $path) = @_;	1436	my ($self, $path) = @_;
1312		1437
…		…
1362	$self->load_header_orig	1487	$self->load_header_orig
1363	or return;	1488	or return;
1364	$self->prepare_orig;	1489	$self->prepare_orig;
1365	}	1490	}
1366		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
1367	1	1498	1
1368	}	1499	}
1369		1500
1370	sub find;	1501	sub find;
1371	sub find {	1502	sub find {
…		…
1383	$map->{last_save} = $cf::RUNTIME;	1514	$map->{last_save} = $cf::RUNTIME;
1384		1515
1385	$map->load_header	1516	$map->load_header
1386	or return;	1517	or return;
1387		1518
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1520	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1521	#$cf::WAIT_FOR_TICK->wait;
1391	$map->reset;	1522	$map->reset;
1392	undef $guard;	1523	undef $guard;
1393	return find $path;	1524	return find $path;
…		…
1404	my ($self) = @_;	1535	my ($self) = @_;
1405		1536
1406	local $self->{deny_reset} = 1; # loading can take a long time	1537	local $self->{deny_reset} = 1; # loading can take a long time
1407		1538
1408	my $path = $self->{path};	1539	my $path = $self->{path};
		1540
		1541	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1542	my $guard = cf::lock_acquire "map_load:$path";
1410		1543
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1544	return if $self->in_memory != cf::MAP_SWAPPED;
1412		1545
1413	$self->in_memory (cf::MAP_LOADING);	1546	$self->in_memory (cf::MAP_LOADING);
1414		1547
1415	$self->alloc;	1548	$self->alloc;
1416		1549
1417	$self->pre_load;	1550	$self->pre_load;
1418
1419	$self->_load_objects ($self->{load_path}, 1)
1420	or return;
1421
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};
1424
1425	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);
1430	}
1431	}
1432
1433	Coro::cede;
1434
1435	# now do the right thing for maps
1436	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;	1551	Coro::cede;
1443	$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;
1444	$self->difficulty ($self->estimate_difficulty)	1570	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1571	unless $self->difficulty;
1446	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;
1447	$self->activate;	1581	$self->activate;
		1582	}
		1583
		1584	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1585	}
1449		1586
1450	$self->post_load;	1587	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	1588	}
1454		1589
1455	sub customise_for {	1590	sub customise_for {
1456	my ($self, $ob) = @_;	1591	my ($self, $ob) = @_;
1457		1592
1458	return find "~" . $ob->name . "/" . $self->{path}	1593	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	1594	if $self->per_player;
		1595
		1596	# return find "?party/" . $ob->name . "/" . $self->{path}
		1597	# if $self->per_party;
1460		1598
1461	$self	1599	$self
1462	}	1600	}
1463		1601
1464	# 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
…		…
1575		1713
1576	sub reset_at {	1714	sub reset_at {
1577	my ($self) = @_;	1715	my ($self) = @_;
1578		1716
1579	# TODO: safety, remove and allow resettable per-player maps	1717	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	1718	return 1e99 if $self->{deny_reset};
1582		1719
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1720	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	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;
1585		1722
…		…
1596	my ($self) = @_;	1733	my ($self) = @_;
1597		1734
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	1735	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		1736
1600	return if $self->players;	1737	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		1738
1603	warn "resetting map ", $self->path;#d#	1739	warn "resetting map ", $self->path;
		1740
		1741	$self->in_memory (cf::MAP_SWAPPED);
		1742
		1743	# need to save uniques path
		1744	unless ($self->{deny_save}) {
		1745	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1746
		1747	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1748	if $uniq;
		1749	}
1604		1750
1605	delete $cf::MAP{$self->path};	1751	delete $cf::MAP{$self->path};
1606		1752
1607	$self->in_memory (cf::MAP_SWAPPED);
1608	$self->clear;	1753	$self->clear;
1609		1754
1610	$_->clear_links_to ($self) for values %cf::MAP;	1755	$_->clear_links_to ($self) for values %cf::MAP;
1611		1756
1612	$self->unlink_save;	1757	$self->unlink_save;
…		…
1631	$cf::MAP{$self->path} = $self;	1776	$cf::MAP{$self->path} = $self;
1632		1777
1633	$self->reset; # polite request, might not happen	1778	$self->reset; # polite request, might not happen
1634	}	1779	}
1635		1780
		1781	=item $maps = cf::map::tmp_maps
		1782
		1783	Returns an arrayref with all map paths of currently instantiated and saved
		1784	maps.
		1785
		1786	=cut
		1787
		1788	sub tmp_maps() {
		1789	[
		1790	map {
		1791	utf8::decode $_;
		1792	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o
		1793	? normalise $_
		1794	: ()
		1795	} @{ aio_readdir $TMPDIR or [] }
		1796	]
		1797	}
		1798
1636	=item cf::map::unique_maps	1799	=item cf::map::unique_maps
1637		1800
1638	Returns an arrayref of paths of all shared maps that have	1801	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	1802	instantiated unique items. May block.
1640		1803
1641	=cut	1804	=cut
1642		1805
1643	sub unique_maps() {	1806	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1807	[
1645	or return;	1808	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	1809	utf8::decode $_;
1651	next if /\.pst$/;	1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o
1652	next unless /^$PATH_SEP/o;	1811	? normalise $_
1653		1812	: ()
1654	push @paths, cf::map::normalise $_;	1813	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	1814	]
1656
1657	\@paths
1658	}	1815	}
1659		1816
1660	package cf;	1817	package cf;
1661		1818
1662	=back	1819	=back
…		…
1768	$self->deactivate_recursive;	1925	$self->deactivate_recursive;
1769		1926
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	1927	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		1928
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1929	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	1930	if $self->map && $self->map->{path} ne "{link}";
1774		1931
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1932	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	1933	}
1777		1934
1778	sub cf::object::player::leave_link {	1935	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	1936	my ($self, $map, $x, $y) = @_;
		1937
		1938	return unless $self->contr->active;
1780		1939
1781	my $link_pos = delete $self->{_link_pos};	1940	my $link_pos = delete $self->{_link_pos};
1782		1941
1783	unless ($map) {	1942	unless ($map) {
1784	# restore original map position	1943	# restore original map position
…		…
1802	$map->load;	1961	$map->load;
1803	$map->load_diag;	1962	$map->load_diag;
1804		1963
1805	return unless $self->contr->active;	1964	return unless $self->contr->active;
1806	$self->activate_recursive;	1965	$self->activate_recursive;
		1966
		1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	1968	$self->enter_map ($map, $x, $y);
1808	}	1969	}
1809		1970
1810	cf::player->attach (
1811	on_logout => sub {
1812	my ($pl) = @_;
1813
1814	# abort map switching before logout
1815	if ($pl->ob->{_link_pos}) {
1816	cf::sync_job {
1817	$pl->ob->leave_link
1818	};
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823
1824	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841
1842	=item $player_object->goto ($path, $x, $y)	1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1843		1972
		1973	Moves the player to the given map-path and coordinates by first freezing
		1974	her, loading and preparing them map, calling the provided $check callback
		1975	that has to return the map if sucecssful, and then unfreezes the player on
		1976	the new (success) or old (failed) map position.
		1977
1844	=cut	1978	=cut
		1979
		1980	our $GOTOGEN;
1845		1981
1846	sub cf::object::player::goto {	1982	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	1983	my ($self, $path, $x, $y, $check) = @_;
		1984
		1985	# do generation counting so two concurrent goto's will be executed in-order
		1986	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		1987
1849	$self->enter_link;	1988	$self->enter_link;
1850		1989
1851	(async {	1990	(async {
1852	my $map = eval {	1991	my $map = eval {
1853	my $map = cf::map::find $path;	1992	my $map = cf::map::find $path;
		1993
		1994	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	1995	$map = $map->customise_for ($self);
		1996	$map = $check->($map) if $check && $map;
		1997	} else {
		1998	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1999	}
		2000
1855	$map	2001	$map
		2002	};
		2003
		2004	if ($@) {
		2005	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2006	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2007	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2008
		2009	if ($gen == $self->{_goto_generation}) {
		2010	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2011	$self->leave_link ($map, $x, $y);
		2012	}
1860	})->prio (1);	2013	})->prio (1);
1861	}	2014	}
1862		2015
1863	=item $player_object->enter_exit ($exit_object)	2016	=item $player_object->enter_exit ($exit_object)
1864		2017
…		…
1903		2056
1904	$rmp->{random_seed} ||= $exit->random_seed;	2057	$rmp->{random_seed} ||= $exit->random_seed;
1905		2058
1906	my $data = cf::to_json $rmp;	2059	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2060	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2061	my $meta = "$RANDOMDIR/$md5.meta";
1909		2062
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2063	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2064	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2065	undef $fh;
1913	aio_rename "$meta~", $meta;	2066	aio_rename "$meta~", $meta;
…		…
1922		2075
1923	return unless $self->type == cf::PLAYER;	2076	return unless $self->type == cf::PLAYER;
1924		2077
1925	if ($exit->slaying eq "/!") {	2078	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2079	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2080	# the problem is that $exit might not survive long enough
		2081	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2082	cf::sync_job { prepare_random_map $exit };
1928	}	2083	}
1929		2084
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2085	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2086	my $hp = $exit->stats->hp;
…		…
1939	$self->goto ($slaying, $hp, $sp);	2094	$self->goto ($slaying, $hp, $sp);
1940		2095
1941	1;	2096	1;
1942	}) {	2097	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2098	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2099	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2100	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2101	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2102
1948	warn "ERROR in enter_exit: $@";	2103	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2104	$self->leave_link;
1950	}	2105	}
1951	})->prio (1);	2106	})->prio (1);
…		…
1964		2119
1965	sub cf::client::send_drawinfo {	2120	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2121	my ($self, $text, $flags) = @_;
1967		2122
1968	utf8::encode $text;	2123	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2125	}
1971		2126
		2127	=item $client->ext_event ($type, %msg)
		2128
		2129	Sends an exti event to the client.
		2130
		2131	=cut
		2132
		2133	sub cf::client::ext_event($$%) {
		2134	my ($self, $type, %msg) = @_;
		2135
		2136	$msg{msgtype} = "event_$type";
		2137	$self->send_packet ("ext " . cf::to_json \%msg);
		2138	}
1972		2139
1973	=item $success = $client->query ($flags, "text", \&cb)	2140	=item $success = $client->query ($flags, "text", \&cb)
1974		2141
1975	Queues a query to the client, calling the given callback with	2142	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2073		2240
2074	# here we export the classes and methods available to script code	2241	# here we export the classes and methods available to script code
2075		2242
2076	=pod	2243	=pod
2077		2244
2078	The following fucntions and emthods are available within a safe environment:	2245	The following functions and methods are available within a safe environment:
2079		2246
2080	cf::object contr pay_amount pay_player map	2247	cf::object contr pay_amount pay_player map
2081	cf::object::player player	2248	cf::object::player player
2082	cf::player peaceful	2249	cf::player peaceful
2083	cf::map trigger	2250	cf::map trigger
…		…
2168	#############################################################################	2335	#############################################################################
2169		2336
2170	=head2 EXTENSION DATABASE SUPPORT	2337	=head2 EXTENSION DATABASE SUPPORT
2171		2338
2172	Crossfire maintains a very simple database for extension use. It can	2339	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which	2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2174	excludes objects.	2341	convert to/from binary).
2175		2342
2176	The parameter C<$family> should best start with the name of the extension	2343	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.	2344	using it, it should be unique.
2178		2345
2179	=over 4	2346	=over 4
2180		2347
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key	2348	=item $value = cf::db_get $family => $key
2188		2349
2189	Returns a single value from the database	2350	Returns a single value from the database.
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195		2351
2196	=item cf::db_put $family => $key => $value	2352	=item cf::db_put $family => $key => $value
2197		2353
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you	2354	Stores the given C<$value> in the family.
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208		2355
2209	=cut	2356	=cut
2210		2357
2211	our $DB;	2358	our $DB;
2212		2359
2213	{	2360	sub db_init {
2214	my $path = cf::localdir . "/database.pst";	2361	unless ($DB) {
		2362	$DB = BDB::db_create $DB_ENV;
2215		2363
2216	sub db_load() {	2364	cf::sync_job {
2217	$DB = stat $path ? Storable::retrieve $path : { };	2365	eval {
2218	}	2366	$DB->set_flags (BDB::CHKSUM);
2219		2367
2220	my $pid;	2368	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2221		2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2222	sub db_save() {	2370	cf::cleanup "db_open(db): $!" if $!;
2223	waitpid $pid, 0 if $pid;	2371	};
2224	if (0 == ($pid = fork)) {	2372	cf::cleanup "db_open(db): $@" if $@;
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}	2373	};
2230	}	2374	}
		2375	}
2231		2376
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {	2377	sub db_get($$) {
2254	@_ >= 2	2378	my $key = "$_[0]/$_[1]";
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258		2379
		2380	cf::sync_job {
		2381	BDB::db_get $DB, undef, $key, my $data;
		2382
		2383	$! ? ()
		2384	: $data
		2385	}
		2386	}
		2387
2259	sub db_put($$;$) {	2388	sub db_put($$$) {
2260	if (@_ >= 3) {	2389	BDB::dbreq_pri 4;
2261	$DB->{$_[0]}{$_[1]} = $_[2];	2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2262	} else {	2391	}
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267		2392
2268	cf::global->attach (	2393	=item cf::cache $id => [$paths...], $processversion => $process
2269	prio => 10000,	2394
2270	on_cleanup => sub {	2395	Generic caching function that returns the value of the resource $id,
2271	db_sync;	2396	caching and regenerating as required.
		2397
		2398	This function can block.
		2399
		2400	=cut
		2401
		2402	sub cache {
		2403	my ($id, $src, $processversion, $process) = @_;
		2404
		2405	my $meta =
		2406	join "\x00",
		2407	$processversion,
		2408	map {
		2409	aio_stat $_
		2410	and Carp::croak "$_: $!";
		2411
		2412	($_, (stat _)[7,9])
		2413	} @$src;
		2414
		2415	my $dbmeta = db_get cache => "$id/meta";
		2416	if ($dbmeta ne $meta) {
		2417	# changed, we may need to process
		2418
		2419	my @data;
		2420	my $md5;
		2421
		2422	for (0 .. $#$src) {
		2423	0 <= aio_load $src->[$_], $data[$_]
		2424	or Carp::croak "$src->[$_]: $!";
2272	},	2425	}
2273	);	2426
		2427	# if processing is expensive, check
		2428	# checksum first
		2429	if (1) {
		2430	$md5 =
		2431	join "\x00",
		2432	$processversion,
		2433	map {
		2434	Coro::cede;
		2435	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2436	} 0.. $#$src;
		2437
		2438
		2439	my $dbmd5 = db_get cache => "$id/md5";
		2440	if ($dbmd5 eq $md5) {
		2441	db_put cache => "$id/meta", $meta;
		2442
		2443	return db_get cache => "$id/data";
		2444	}
		2445	}
		2446
		2447	my $t1 = Time::HiRes::time;
		2448	my $data = $process->(\@data);
		2449	my $t2 = Time::HiRes::time;
		2450
		2451	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2452
		2453	db_put cache => "$id/data", $data;
		2454	db_put cache => "$id/md5" , $md5;
		2455	db_put cache => "$id/meta", $meta;
		2456
		2457	return $data;
		2458	}
		2459
		2460	db_get cache => "$id/data"
		2461	}
		2462
		2463	=item fork_call { }, $args
		2464
		2465	Executes the given code block with the given arguments in a seperate
		2466	process, returning the results. Everything must be serialisable with
		2467	Coro::Storable. May, of course, block. Note that the executed sub may
		2468	never block itself or use any form of Event handling.
		2469
		2470	=cut
		2471
		2472	sub fork_call(&@) {
		2473	my ($cb, @args) = @_;
		2474
		2475	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2476	# or die "socketpair: $!";
		2477	pipe my $fh1, my $fh2
		2478	or die "pipe: $!";
		2479
		2480	if (my $pid = fork) {
		2481	close $fh2;
		2482
		2483	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2484	$res = Coro::Storable::thaw $res;
		2485
		2486	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2487
		2488	die $$res unless "ARRAY" eq ref $res;
		2489
		2490	return wantarray ? @$res : $res->[-1];
		2491	} else {
		2492	reset_signals;
		2493	local $SIG{__WARN__};
		2494	local $SIG{__DIE__};
		2495	eval {
		2496	close $fh1;
		2497
		2498	my @res = eval { $cb->(@args) };
		2499	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2500	};
		2501
		2502	warn $@ if $@;
		2503	_exit 0;
		2504	}
2274	}	2505	}
2275		2506
2276	#############################################################################	2507	#############################################################################
2277	# the server's init and main functions	2508	# the server's init and main functions
2278		2509
2279	sub load_resources {	2510	sub load_facedata($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2511	my ($path) = @_;
		2512
		2513	warn "loading facedata from $path\n";
		2514
		2515	my $facedata;
		2516	0 < aio_load $path, $facedata
		2517	or die "$path: $!";
		2518
		2519	$facedata = Coro::Storable::thaw $facedata;
		2520
		2521	$facedata->{version} == 2
		2522	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2523
		2524	{
		2525	my $faces = $facedata->{faceinfo};
		2526
		2527	while (my ($face, $info) = each %$faces) {
		2528	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2529	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2530	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2531	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2532	Coro::cede;
		2533	}
		2534
		2535	while (my ($face, $info) = each %$faces) {
		2536	next unless $info->{smooth};
		2537	my $idx = cf::face::find $face
		2538	or next;
		2539	if (my $smooth = cf::face::find $info->{smooth}) {
		2540	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2541	} else {
		2542	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2543	}
		2544	Coro::cede;
		2545	}
		2546	}
		2547
		2548	{
		2549	my $anims = $facedata->{animinfo};
		2550
		2551	while (my ($anim, $info) = each %$anims) {
		2552	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2553	Coro::cede;
		2554	}
		2555
		2556	cf::anim::invalidate_all; # d'oh
		2557	}
		2558
		2559	1
		2560	}
		2561
		2562	sub reload_regions {
		2563	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	2564	or die "unable to load regions file\n";
		2565	}
		2566
		2567	sub reload_facedata {
		2568	load_facedata "$DATADIR/facedata"
		2569	or die "unable to load facedata\n";
		2570	}
		2571
		2572	sub reload_archetypes {
		2573	load_resource_file "$DATADIR/archetypes"
		2574	or die "unable to load archetypes\n";
		2575	}
		2576
		2577	sub reload_treasures {
		2578	load_resource_file "$DATADIR/treasures"
		2579	or die "unable to load treasurelists\n";
		2580	}
		2581
		2582	sub reload_resources {
		2583	warn "reloading resource files...\n";
		2584
		2585	reload_regions;
		2586	reload_facedata;
		2587	#reload_archetypes;#d#
		2588	reload_archetypes;
		2589	reload_treasures;
		2590
		2591	warn "finished reloading resource files\n";
		2592	}
		2593
		2594	sub init {
		2595	reload_resources;
2282	}	2596	}
2283		2597
2284	sub cfg_load {	2598	sub cfg_load {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	2599	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	2600	or return;
2287		2601
2288	local $/;	2602	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	2603	*CFG = YAML::Syck::Load <$fh>;
2290		2604
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2612	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	2613	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	2614	};
2301	warn $@ if $@;	2615	warn $@ if $@;
2302	}	2616	}
2303	}
2304
2305	sub init {
2306	load_resources;
2307	}	2617	}
2308		2618
2309	sub main {	2619	sub main {
2310	# we must not ever block the main coroutine	2620	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	2621	local $Coro::idle = sub {
…		…
2314	Event::one_event;	2624	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	2625	})->prio (Coro::PRIO_MAX);
2316	};	2626	};
2317		2627
2318	cfg_load;	2628	cfg_load;
2319	db_load;	2629	db_init;
2320	load_extensions;	2630	load_extensions;
2321		2631
2322	$TICK_WATCHER->start;	2632	$TICK_WATCHER->start;
2323	Event::loop;	2633	Event::loop;
2324	}	2634	}
…		…
2363	my $map = $cf::MAP{$path} or next;	2673	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	2674	$map->valid or next;
2365	$map->save;	2675	$map->save;
2366	}	2676	}
2367	warn "end emergency map save\n";	2677	warn "end emergency map save\n";
		2678
		2679	warn "begin emergency database checkpoint\n";
		2680	BDB::db_env_txn_checkpoint $DB_ENV;
		2681	warn "end emergency database checkpoint\n";
2368	};	2682	};
2369		2683
2370	warn "leave emergency perl save\n";	2684	warn "leave emergency perl save\n";
2371	}	2685	}
2372		2686
		2687	sub post_cleanup {
		2688	my ($make_core) = @_;
		2689
		2690	warn Carp::longmess "post_cleanup backtrace"
		2691	if $make_core;
		2692	}
		2693
2373	sub reload() {	2694	sub do_reload_perl() {
2374	# can/must only be called in main	2695	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	2696	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	2697	warn "can only reload from main coroutine";
2377	return;	2698	return;
2378	}	2699	}
2379		2700
2380	warn "reloading...";	2701	warn "reloading...";
2381		2702
2382	warn "cancelling server ticker";	2703	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		2704
		2705	cf::sync_job {
		2706	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	2707	cf::emergency_save;
		2708	cf::write_runtime; # external watchdog should not bark
2386		2709
2387	eval {	2710	warn "syncing database to disk";
		2711	BDB::db_env_txn_checkpoint $DB_ENV;
		2712
2388	# if anything goes wrong in here, we should simply crash as we already saved	2713	# if anything goes wrong in here, we should simply crash as we already saved
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392		2714
2393	warn "cancelling all WF_AUTOCANCEL watchers";	2715	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	2716	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	2717	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	2718	}
2397		2719
2398	warn "flushing outstanding aio requests";	2720	warn "flushing outstanding aio requests";
2399	for (;;) {	2721	for (;;) {
		2722	BDB::flush;
2400	IO::AIO::flush;	2723	IO::AIO::flush;
2401	Coro::cede;	2724	Coro::cede;
2402	last unless IO::AIO::nreqs;	2725	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	2726	warn "iterate...";
2404	}	2727	}
		2728
		2729	++$RELOAD;
2405		2730
2406	warn "cancelling all extension coros";	2731	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	2732	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	2733	%EXT_CORO = ();
2409		2734
…		…
2449	Symbol::delete_package "safe::$_"	2774	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2775	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		2776
2452	warn "unloading cf.pm \"a bit\"";	2777	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	2778	delete $INC{"cf.pm"};
		2779	delete $INC{"cf/pod.pm"};
2454		2780
2455	# don't, removes xs symbols, too,	2781	# don't, removes xs symbols, too,
2456	# and global variables created in xs	2782	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	2783	#Symbol::delete_package __PACKAGE__;
2458		2784
…		…
2462	require cf;	2788	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2789	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		2790
2465	warn "loading config and database again";	2791	warn "loading config and database again";
2466	cf::cfg_load;	2792	cf::cfg_load;
2467	cf::db_load;
2468		2793
2469	warn "loading extensions";	2794	warn "loading extensions";
2470	cf::load_extensions;	2795	cf::load_extensions;
2471		2796
2472	warn "reattaching attachments to objects/players";	2797	warn "reattaching attachments to objects/players";
2473	_global_reattach;	2798	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	2799	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	2800	reattach $_ for values %MAP;
		2801	warn "reattaching attachments to players";
		2802	reattach $_ for values %PLAYER;
2476		2803
2477	warn "loading reloadable resources";	2804	warn "leaving sync_job";
2478	load_resources;
2479		2805
2480	warn "restarting server ticker";	2806	1
2481		2807	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	2808	warn $@;
2487	warn "error while reloading, exiting.";	2809	warn "error while reloading, exiting.";
2488	exit 1;	2810	exit 1;
2489	}	2811	};
2490		2812
2491	warn "reloaded";	2813	warn "reloaded";
2492	};	2814	};
2493		2815
2494	our $RELOAD_WATCHER; # used only during reload	2816	our $RELOAD_WATCHER; # used only during reload
2495		2817
		2818	sub reload_perl() {
		2819	# doing reload synchronously and two reloads happen back-to-back,
		2820	# coro crashes during coro_state_free->destroy here.
		2821
		2822	$RELOAD_WATCHER ||= Event->timer (
		2823	reentrant => 0,
		2824	after => 0,
		2825	data => WF_AUTOCANCEL,
		2826	cb => sub {
		2827	do_reload_perl;
		2828	undef $RELOAD_WATCHER;
		2829	},
		2830	);
		2831	}
		2832
2496	register_command "reload" => sub {	2833	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	2834	my ($who, $arg) = @_;
2498		2835
2499	if ($who->flag (FLAG_WIZ)) {	2836	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	2837	$who->message ("reloading server.");
2501		2838	async { reload_perl };
2502	# doing reload synchronously and two reloads happen back-to-back,
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);
2514	}	2839	}
2515	};	2840	};
2516		2841
2517	unshift @INC, $LIBDIR;	2842	unshift @INC, $LIBDIR;
2518		2843
2519	my $bug_warning = 0;	2844	my $bug_warning = 0;
2520		2845
		2846	our @WAIT_FOR_TICK;
		2847	our @WAIT_FOR_TICK_BEGIN;
		2848
		2849	sub wait_for_tick {
		2850	return unless $TICK_WATCHER->is_active;
		2851	return if $Coro::current == $Coro::main;
		2852
		2853	my $signal = new Coro::Signal;
		2854	push @WAIT_FOR_TICK, $signal;
		2855	$signal->wait;
		2856	}
		2857
		2858	sub wait_for_tick_begin {
		2859	return unless $TICK_WATCHER->is_active;
		2860	return if $Coro::current == $Coro::main;
		2861
		2862	my $signal = new Coro::Signal;
		2863	push @WAIT_FOR_TICK_BEGIN, $signal;
		2864	$signal->wait;
		2865	}
		2866
		2867	my $min = 1e6;#d#
		2868	my $avg = 10;
2521	$TICK_WATCHER = Event->timer (	2869	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	2870	reentrant => 0,
2523	parked => 1,	2871	parked => 1,
2524	prio => 0,	2872	prio => 0,
2525	at => $NEXT_TICK || $TICK,	2873	at => $NEXT_TICK || $TICK,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2877	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	2878	unless ++$bug_warning > 10;
2531	return;	2879	return;
2532	}	2880	}
2533		2881
2534	$NOW = Event::time;	2882	$NOW = $tick_start = Event::time;
2535		2883
2536	cf::server_tick; # one server iteration	2884	cf::server_tick; # one server iteration
		2885
		2886	0 && sync_job {#d#
		2887	for(1..10) {
		2888	my $t = Event::time;
		2889	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2890	or die;
		2891
		2892	$map->width (50);
		2893	$map->height (50);
		2894	$map->alloc;
		2895	$map->_load_objects ("/tmp/x.map", 1);
		2896	my $t = Event::time - $t;
		2897
		2898	#next unless $t < 0.0013;#d#
		2899	if ($t < $min) {
		2900	$min = $t;
		2901	}
		2902	$avg = $avg * 0.99 + $t * 0.01;
		2903	}
		2904	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2905	exit 0;
		2906	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2907	};
		2908
2537	$RUNTIME += $TICK;	2909	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	2910	$NEXT_TICK += $TICK;
2539		2911
2540	$WAIT_FOR_TICK->broadcast;	2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2913	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		2914	Coro::async_pool {
2543	Event::sweep;	2915	write_runtime
2544	Coro::cede_notself;	2916	or warn "ERROR: unable to write runtime file: $!";
		2917	};
2545		2918	}
		2919
2546	# my $AFTER = Event::time;	2920	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#	2921	# warn $AFTER - $NOW;#d#
2548		2922
		2923	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2924	$sig->send;
		2925	}
		2926	while (my $sig = shift @WAIT_FOR_TICK) {
		2927	$sig->send;
		2928	}
		2929
		2930	$NOW = Event::time;
		2931
2549	# if we are delayed by four ticks or more, skip them all	2932	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2933	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		2934
2552	$TICK_WATCHER->at ($NEXT_TICK);	2935	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;	2936	$TICK_WATCHER->start;
		2937
		2938	$LOAD = ($NOW - $tick_start) / $TICK;
		2939	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2940
		2941	_post_tick;
		2942
		2943
2554	},	2944	},
2555	);	2945	);
2556		2946
		2947	{
		2948	BDB::max_poll_time $TICK * 0.1;
		2949	$BDB_POLL_WATCHER = Event->io (
		2950	reentrant => 0,
		2951	fd => BDB::poll_fileno,
		2952	poll => 'r',
		2953	prio => 0,
		2954	data => WF_AUTOCANCEL,
		2955	cb => \&BDB::poll_cb,
		2956	);
		2957	BDB::min_parallel 8;
		2958
		2959	BDB::set_sync_prepare {
		2960	my $status;
		2961	my $current = $Coro::current;
		2962	(
		2963	sub {
		2964	$status = $!;
		2965	$current->ready; undef $current;
		2966	},
		2967	sub {
		2968	Coro::schedule while defined $current;
		2969	$! = $status;
		2970	},
		2971	)
		2972	};
		2973
		2974	unless ($DB_ENV) {
		2975	$DB_ENV = BDB::db_env_create;
		2976
		2977	cf::sync_job {
		2978	eval {
		2979	BDB::db_env_open
		2980	$DB_ENV,
		2981	$BDBDIR,
		2982	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2983	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2984	0666;
		2985
		2986	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2987
		2988	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2989	$DB_ENV->set_lk_detect;
		2990	};
		2991
		2992	cf::cleanup "db_env_open(db): $@" if $@;
		2993	};
		2994	}
		2995	}
		2996
		2997	{
		2998	IO::AIO::min_parallel 8;
		2999
		3000	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3001	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3002	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3003	reentrant => 0,
		3004	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3005	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3006	poll => 'r',
2564	prio => 6,	3007	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3008	cb => \&IO::AIO::poll_cb,
2567	);	3009	);
		3010	}
2568		3011
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3012	my $_log_backtrace;
2570	reentrant => 0,	3013
2571	data => WF_AUTOCANCEL,	3014	sub _log_backtrace {
2572	after => 1,	3015	my ($msg, @addr) = @_;
2573	interval => 10,	3016
2574	prio => 6, # keep it lowest so it acts like a watchdog	3017	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3018
2576	write_runtime	3019	# limit the # of concurrent backtraces
2577	or warn "ERROR: unable to write runtime file: $!";	3020	if ($_log_backtrace < 2) {
		3021	++$_log_backtrace;
		3022	async {
		3023	my @bt = fork_call {
		3024	@addr = map { sprintf "%x", $_ } @addr;
		3025	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3026	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3027	or die "addr2line: $!";
		3028
		3029	my @funcs;
		3030	my @res = <$fh>;
		3031	chomp for @res;
		3032	while (@res) {
		3033	my ($func, $line) = splice @res, 0, 2, ();
		3034	push @funcs, "[$func] $line";
		3035	}
		3036
		3037	@funcs
		3038	};
		3039
		3040	LOG llevInfo, "[ABT] $msg\n";
		3041	LOG llevInfo, "[ABT] $_\n" for @bt;
		3042	--$_log_backtrace;
		3043	};
		3044	} else {
		3045	LOG llevInfo, "[ABT] $msg\n";
		3046	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	3047	}
2579	);	3048	}
		3049
		3050	# load additional modules
		3051	use cf::pod;
2580		3052
2581	END { cf::emergency_save }	3053	END { cf::emergency_save }
2582		3054
2583	1	3055	1
2584		3056

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