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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.198 by root, Sun Jan 28 01:58:37 2007 UTC vs.
Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		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;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
53		82
54	our %CFG;	83	our %CFG;
55		84
56	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	86	our $RUNTIME;
58		87
59	our %PLAYER; # all users	88	our %PLAYER; # all users
60	our %MAP; # all maps	89	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		91
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		98
70	binmode STDOUT;	99	binmode STDOUT;
71	binmode STDERR;	100	binmode STDERR;
72		101
73	# read virtual server time, if available	102	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
78	}	107	}
79		108
80	mkdir cf::localdir;	109	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		111
86	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
87		115
88	#############################################################################	116	#############################################################################
89		117
90	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
91		119
…		…
98	=item $cf::RUNTIME	126	=item $cf::RUNTIME
99		127
100	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
101	every server tick.	129	every server tick.
102		130
103	=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
104		134
105	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		139
108	=item $cf::NOW	140	=item $cf::NOW
109		141
110	The time of the last (current) server tick.	142	The time of the last (current) server tick.
111		143
112	=item $cf::TICK	144	=item $cf::TICK
113		145
114	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.
115		157
116	=item %cf::CFG	158	=item %cf::CFG
117		159
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	161	from wherever your confdir points to.
120		162
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		164
123	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
124	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
125	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.
126	window of cpu time available, or simply to synchronise to the server tick.
127		168
128	=back	169	=back
129		170
130	=cut	171	=cut
131		172
132	BEGIN {	173	BEGIN {
133	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	175	my $msg = join "", @_;
135	utf8::encode $msg;
136		176
137	$msg .= "\n"	177	$msg .= "\n"
138	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
139		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
140	LOG llevError, $msg;	183	LOG llevError, $msg;
141	};	184	};
142	}	185	}
143		186
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		194
151	# 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
152	# within the Safe compartment.	196	# within the Safe compartment.
153	for my $pkg (qw(	197	for my $pkg (qw(
154	cf::global cf::attachable	198	cf::global cf::attachable
…		…
190	$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;
191	$d	235	$d
192	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
193	}	237	}
194		238
195	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
196		240
197	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
198		242
199	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
200		244
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
209		246
210	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
211
212	=cut
213
214	sub to_json($) {
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
216	JSON::Syck::Dump $_[0]
217	}
218		248
219	=item cf::lock_wait $string	249	=item cf::lock_wait $string
220		250
221	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
222		252
…		…
228	returned.	258	returned.
229		259
230	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
231	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
232		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
233	=cut	267	=cut
234		268
235	our %LOCK;	269	our %LOCK;
236		270
237	sub lock_wait($) {	271	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
258	}	292	}
259	}	293	}
260		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
261	sub freeze_mainloop {	301	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
263		303
264	my $guard = Coro::guard {	304	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	305	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	306	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	307	$TICK_WATCHER->stop;
270	$guard	308	$guard
271	}	309	}
272		310
273	=item cf::async { BLOCK }	311	=item cf::async { BLOCK }
…		…
295		333
296	sub sync_job(&) {	334	sub sync_job(&) {
297	my ($job) = @_;	335	my ($job) = @_;
298		336
299	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
300	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
302		342
303	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
315		355
316	while ($busy) {	356	while ($busy) {
317	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
318	}	358	}
319		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
320	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
321	} else {	368	} else {
322	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
323		370
324	$job->()	371	$job->()
…		…
344		391
345	$coro	392	$coro
346	}	393	}
347		394
348	sub write_runtime {	395	sub write_runtime {
349	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";
350		404
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
352	or return;	406	or return;
353		407
354	my $value = $cf::RUNTIME + 90 + 10;	408	my $value = $cf::RUNTIME + 90 + 10;
…		…
356	# 60 allows for the watchdog to kill the server.	410	# 60 allows for the watchdog to kill the server.
357		411
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	412	(aio_write $fh, 0, (length $value), $value, 0) <= 0
359	and return;	413	and return;
360		414
		415	# always fsync - this file is important
361	aio_fsync $fh	416	aio_fsync $fh
362	and return;	417	and return;
363		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
364	close $fh	422	close $fh
365	or return;	423	or return;
366		424
367	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
368	and return;	426	and return;
369		427
		428	warn "runtime file written.\n";
		429
370	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	442	}
372		443
373	=back	444	=back
374		445
375	=cut	446	=cut
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
556		627
557	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		632
562	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	634	my $pkg = shift @arg;
564		635
565	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
606	if (ref $_[0]) {	677	if (ref $_[0]) {
607	_object_attach @_;	678	_object_attach @_;
608	} else {	679	} else {
609	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
610	}	681	}
		682	_recalc_want;
611	};	683	};
612		684
613	# all those should be optimised	685	# all those should be optimised
614	sub cf::attachable::detach {	686	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
619	reattach ($obj);	691	reattach ($obj);
620	} else {	692	} else {
621	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
622	}	694	}
		695	_recalc_want;
623	};	696	};
624		697
625	sub cf::attachable::attached {	698	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
627		700
…		…
750	$filename, length $$rdata, scalar @$objs;	823	$filename, length $$rdata, scalar @$objs;
751		824
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	826	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	828	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	829	close $fh;
757		830
758	if (@$objs) {	831	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	833	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	834	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	835	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	836	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	837	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	838	aio_rename "$filename.pst~", "$filename.pst";
766	}	839	}
767	} else {	840	} else {
768	aio_unlink "$filename.pst";	841	aio_unlink "$filename.pst";
…		…
800	or return;	873	or return;
801	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
802	}	875	}
803		876
804	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
806	return ($data, $av);	879	return ($data, $av);
807	}	880	}
808		881
809	#############################################################################	882	#############################################################################
810	# command handling &c	883	# command handling &c
…		…
937	Returns the given player object, loading it if necessary (might block).	1010	Returns the given player object, loading it if necessary (might block).
938		1011
939	=cut	1012	=cut
940		1013
941	sub playerdir($) {	1014	sub playerdir($) {
942	cf::localdir	1015	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1016	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1017	}
948		1018
949	sub path($) {	1019	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1020	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1021
952	(playerdir $login) . "/$login.pl"	1022	(playerdir $login) . "/playerdata"
953	}	1023	}
954		1024
955	sub find_active($) {	1025	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1026	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1027	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1040	my $login = $_[0];
971		1041
972	my $guard = cf::lock_acquire "user_find:$login";	1042	my $guard = cf::lock_acquire "user_find:$login";
973		1043
974	$cf::PLAYER{$_[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
975	my $pl = load_pl path $login	1052	my $pl = load_pl path $login
976	or return;	1053	or return;
977	$cf::PLAYER{$login} = $pl	1054	$cf::PLAYER{$login} = $pl
978	}	1055	}
979	}	1056	}
…		…
1016		1093
1017	=cut	1094	=cut
1018		1095
1019	sub quit_character {	1096	sub quit_character {
1020	my ($pl) = @_;	1097	my ($pl) = @_;
		1098
		1099	my $name = $pl->ob->name;
1021		1100
1022	$pl->{deny_save} = 1;	1101	$pl->{deny_save} = 1;
1023	$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
1024		1103
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1109	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1110	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1111	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1112	delete $cf::PLAYER{$pl->ob->name};
1034	$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
1035	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;
1036	}	1135	}
1037		1136
1038	=item cf::player::list_logins	1137	=item cf::player::list_logins
1039		1138
1040	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
1041	while and may block, so not sync_job-capable, ever.	1140	while and may block, so not sync_job-capable, ever.
1042		1141
1043	=cut	1142	=cut
1044		1143
1045	sub list_logins {	1144	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1145	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1146	or return [];
1048		1147
1049	my @logins;	1148	my @logins;
1050		1149
1051	for my $login (@$dirs) {	1150	for my $login (@$dirs) {
…		…
1068	=cut	1167	=cut
1069		1168
1070	sub maps($) {	1169	sub maps($) {
1071	my ($pl) = @_;	1170	my ($pl) = @_;
1072		1171
		1172	$pl = ref $pl ? $pl->ob->name : $pl;
		1173
1073	my $files = aio_readdir playerdir $pl	1174	my $files = aio_readdir playerdir $pl
1074	or return;	1175	or return;
1075		1176
1076	my @paths;	1177	my @paths;
1077		1178
1078	for (@$files) {	1179	for (@$files) {
1079	utf8::decode $_;	1180	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1181	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1182	next unless /^$PATH_SEP/o;
1082		1183
1083	s/\.map$//;	1184	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1185	}
1086		1186
1087	\@paths	1187	\@paths
1088	}	1188	}
1089		1189
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1190	=item $player->ext_reply ($msgid, %msg)
1091		1191
1092	Sends an ext reply to the player.	1192	Sends an ext reply to the player.
1093		1193
1094	=cut	1194	=cut
1095		1195
1096	sub ext_reply($$$%) {	1196	sub ext_reply($$%) {
1097	my ($self, $id, %msg) = @_;	1197	my ($self, $id, %msg) = @_;
1098		1198
1099	$msg{msgid} = $id;	1199	$msg{msgid} = $id;
1100		1200
1101	$self->send ("ext " . cf::to_json \%msg);	1201	$self->send ("ext " . cf::to_json \%msg);
1102	}	1202	}
1103		1203
1104	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	}
1105		1244
1106	=back	1245	=back
1107
1108		1246
1109	=head3 cf::map	1247	=head3 cf::map
1110		1248
1111	=over 4	1249	=over 4
1112		1250
…		…
1167	my ($self, $merge) = @_;	1305	my ($self, $merge) = @_;
1168		1306
1169	# we have to keep some variables in memory intact	1307	# we have to keep some variables in memory intact
1170	local $self->{path};	1308	local $self->{path};
1171	local $self->{load_path};	1309	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1310
1175	$self->SUPER::thawer_merge ($merge);	1311	$self->SUPER::thawer_merge ($merge);
1176	}	1312	}
1177		1313
1178	sub normalise {	1314	sub normalise {
1179	my ($path, $base) = @_;	1315	my ($path, $base) = @_;
1180		1316
1181	$path = "$path"; # make sure its a string	1317	$path = "$path"; # make sure its a string
		1318
		1319	$path =~ s/\.map$//;
1182		1320
1183	# map plan:	1321	# map plan:
1184	#	1322	#
1185	# /! non-realised random map exit (special hack!)	1323	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1324	# {... are special paths that are not being touched
…		…
1248		1386
1249	# the original (read-only) location	1387	# the original (read-only) location
1250	sub load_path {	1388	sub load_path {
1251	my ($self) = @_;	1389	my ($self) = @_;
1252		1390
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1391	"$MAPDIR/$self->{path}.map"
1254	}	1392	}
1255		1393
1256	# the temporary/swap location	1394	# the temporary/swap location
1257	sub save_path {	1395	sub save_path {
1258	my ($self) = @_;	1396	my ($self) = @_;
1259		1397
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1399	"$TMPDIR/$path.map"
1262	}	1400	}
1263		1401
1264	# the unique path, undef == no special unique path	1402	# the unique path, undef == no special unique path
1265	sub uniq_path {	1403	sub uniq_path {
1266	my ($self) = @_;	1404	my ($self) = @_;
1267		1405
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1407	"$UNIQUEDIR/$path"
1270	}	1408	}
1271		1409
1272	# and all this just because we cannot iterate over	1410	# and all this just because we cannot iterate over
1273	# all maps in C++...	1411	# all maps in C++...
1274	sub change_all_map_light {	1412	sub change_all_map_light {
…		…
1276		1414
1277	$_->change_map_light ($change)	1415	$_->change_map_light ($change)
1278	for grep $_->outdoor, values %cf::MAP;	1416	for grep $_->outdoor, values %cf::MAP;
1279	}	1417	}
1280		1418
		1419	sub decay_objects {
		1420	my ($self) = @_;
		1421
		1422	return if $self->{deny_reset};
		1423
		1424	$self->do_decay_objects;
		1425	}
		1426
1281	sub unlink_save {	1427	sub unlink_save {
1282	my ($self) = @_;	1428	my ($self) = @_;
1283		1429
1284	utf8::encode (my $save = $self->save_path);	1430	utf8::encode (my $save = $self->save_path);
1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1431	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1288		1434
1289	sub load_header_from($) {	1435	sub load_header_from($) {
1290	my ($self, $path) = @_;	1436	my ($self, $path) = @_;
1291		1437
1292	utf8::encode $path;	1438	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1439	#aio_open $path, O_RDONLY, 0
1294	or return;	1440	# or return;
1295		1441
1296	$self->_load_header ($path)	1442	$self->_load_header ($path)
1297	or return;	1443	or return;
1298		1444
1299	$self->{load_path} = $path;	1445	$self->{load_path} = $path;
…		…
1341	$self->load_header_orig	1487	$self->load_header_orig
1342	or return;	1488	or return;
1343	$self->prepare_orig;	1489	$self->prepare_orig;
1344	}	1490	}
1345		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
1346	1	1498	1
1347	}	1499	}
1348		1500
1349	sub find;	1501	sub find;
1350	sub find {	1502	sub find {
…		…
1362	$map->{last_save} = $cf::RUNTIME;	1514	$map->{last_save} = $cf::RUNTIME;
1363		1515
1364	$map->load_header	1516	$map->load_header
1365	or return;	1517	or return;
1366		1518
1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	1520	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	1521	#$cf::WAIT_FOR_TICK->wait;
1370	$map->reset;	1522	$map->reset;
1371	undef $guard;	1523	undef $guard;
1372	return find $path;	1524	return find $path;
…		…
1383	my ($self) = @_;	1535	my ($self) = @_;
1384		1536
1385	local $self->{deny_reset} = 1; # loading can take a long time	1537	local $self->{deny_reset} = 1; # loading can take a long time
1386		1538
1387	my $path = $self->{path};	1539	my $path = $self->{path};
		1540
		1541	{
1388	my $guard = cf::lock_acquire "map_load:$path";	1542	my $guard = cf::lock_acquire "map_load:$path";
1389		1543
1390	return if $self->in_memory != cf::MAP_SWAPPED;	1544	return if $self->in_memory != cf::MAP_SWAPPED;
1391		1545
1392	$self->in_memory (cf::MAP_LOADING);	1546	$self->in_memory (cf::MAP_LOADING);
1393		1547
1394	$self->alloc;	1548	$self->alloc;
1395		1549
1396	$self->pre_load;	1550	$self->pre_load;
1397
1398	$self->_load_objects ($self->{load_path}, 1)
1399	or return;
1400
1401	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1402	if delete $self->{load_original};
1403
1404	if (my $uniq = $self->uniq_path) {
1405	utf8::encode $uniq;
1406	if (aio_open $uniq, O_RDONLY, 0) {
1407	$self->clear_unique_items;
1408	$self->_load_objects ($uniq, 0);
1409	}
1410	}
1411
1412	Coro::cede;
1413
1414	# now do the right thing for maps
1415	$self->link_multipart_objects;
1416
1417	unless ($self->{deny_activate}) {
1418	$self->decay_objects;
1419	$self->fix_auto_apply;
1420	$self->update_buttons;
1421	Coro::cede;	1551	Coro::cede;
1422	$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;
1423	$self->difficulty ($self->estimate_difficulty)	1570	$self->difficulty ($self->estimate_difficulty)
1424	unless $self->difficulty;	1571	unless $self->difficulty;
1425	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;
1426	$self->activate;	1581	$self->activate;
		1582	}
		1583
		1584	$self->in_memory (cf::MAP_IN_MEMORY);
1427	}	1585	}
1428		1586
1429	$self->post_load;	1587	$self->post_load;
1430
1431	$self->in_memory (cf::MAP_IN_MEMORY);
1432	}	1588	}
1433		1589
1434	sub customise_for {	1590	sub customise_for {
1435	my ($self, $ob) = @_;	1591	my ($self, $ob) = @_;
1436		1592
1437	return find "~" . $ob->name . "/" . $self->{path}	1593	return find "~" . $ob->name . "/" . $self->{path}
1438	if $self->per_player;	1594	if $self->per_player;
		1595
		1596	# return find "?party/" . $ob->name . "/" . $self->{path}
		1597	# if $self->per_party;
1439		1598
1440	$self	1599	$self
1441	}	1600	}
1442		1601
1443	# 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
…		…
1554		1713
1555	sub reset_at {	1714	sub reset_at {
1556	my ($self) = @_;	1715	my ($self) = @_;
1557		1716
1558	# TODO: safety, remove and allow resettable per-player maps	1717	# TODO: safety, remove and allow resettable per-player maps
1559	return 1e99 if $self->isa ("ext::map_per_player");#d#
1560	return 1e99 if $self->{deny_reset};	1718	return 1e99 if $self->{deny_reset};
1561		1719
1562	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1720	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1563	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;
1564		1722
…		…
1575	my ($self) = @_;	1733	my ($self) = @_;
1576		1734
1577	my $lock = cf::lock_acquire "map_data:$self->{path}";	1735	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		1736
1579	return if $self->players;	1737	return if $self->players;
1580	return if $self->isa ("ext::map_per_player");#d#
1581		1738
1582	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	}
1583		1750
1584	delete $cf::MAP{$self->path};	1751	delete $cf::MAP{$self->path};
1585		1752
1586	$self->in_memory (cf::MAP_SWAPPED);
1587	$self->clear;	1753	$self->clear;
1588		1754
1589	$_->clear_links_to ($self) for values %cf::MAP;	1755	$_->clear_links_to ($self) for values %cf::MAP;
1590		1756
1591	$self->unlink_save;	1757	$self->unlink_save;
…		…
1610	$cf::MAP{$self->path} = $self;	1776	$cf::MAP{$self->path} = $self;
1611		1777
1612	$self->reset; # polite request, might not happen	1778	$self->reset; # polite request, might not happen
1613	}	1779	}
1614		1780
		1781	=item $maps = cf::map::tmp_maps
		1782
		1783	Returns an arrayref with all map paths of currently instantiated and saved
		1784	maps. May block.
		1785
		1786	=cut
		1787
		1788	sub tmp_maps() {
		1789	[
		1790	map {
		1791	utf8::decode $_;
		1792	/\.map$/
		1793	? normalise $_
		1794	: ()
		1795	} @{ aio_readdir $TMPDIR or [] }
		1796	]
		1797	}
		1798
		1799	=item $maps = cf::map::random_maps
		1800
		1801	Returns an arrayref with all map paths of currently instantiated and saved
		1802	random maps. May block.
		1803
		1804	=cut
		1805
		1806	sub random_maps() {
		1807	[
		1808	map {
		1809	utf8::decode $_;
		1810	/\.map$/
		1811	? normalise "?random/$_"
		1812	: ()
		1813	} @{ aio_readdir $RANDOMDIR or [] }
		1814	]
		1815	}
		1816
1615	=item cf::map::unique_maps	1817	=item cf::map::unique_maps
1616		1818
1617	Returns an arrayref of paths of all shared maps that have	1819	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	1820	instantiated unique items. May block.
1619		1821
1620	=cut	1822	=cut
1621		1823
1622	sub unique_maps() {	1824	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1825	[
1624	or return;	1826	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	1827	utf8::decode $_;
1630	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;
1632
1633	s/\.map$//;	1828	/\.map$/
1634	push @paths, $_;	1829	? normalise $_
		1830	: ()
		1831	} @{ aio_readdir $UNIQUEDIR or [] }
1635	}	1832	]
1636
1637	\@paths
1638	}	1833	}
1639		1834
1640	package cf;	1835	package cf;
1641		1836
1642	=back	1837	=back
…		…
1748	$self->deactivate_recursive;	1943	$self->deactivate_recursive;
1749		1944
1750	return if UNIVERSAL::isa $self->map, "ext::map_link";	1945	return if UNIVERSAL::isa $self->map, "ext::map_link";
1751		1946
1752	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1947	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1753	if $self->map;	1948	if $self->map && $self->map->{path} ne "{link}";
1754		1949
1755	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1950	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1756	}	1951	}
1757		1952
1758	sub cf::object::player::leave_link {	1953	sub cf::object::player::leave_link {
1759	my ($self, $map, $x, $y) = @_;	1954	my ($self, $map, $x, $y) = @_;
		1955
		1956	return unless $self->contr->active;
1760		1957
1761	my $link_pos = delete $self->{_link_pos};	1958	my $link_pos = delete $self->{_link_pos};
1762		1959
1763	unless ($map) {	1960	unless ($map) {
1764	# restore original map position	1961	# restore original map position
…		…
1782	$map->load;	1979	$map->load;
1783	$map->load_diag;	1980	$map->load_diag;
1784		1981
1785	return unless $self->contr->active;	1982	return unless $self->contr->active;
1786	$self->activate_recursive;	1983	$self->activate_recursive;
		1984
		1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1787	$self->enter_map ($map, $x, $y);	1986	$self->enter_map ($map, $x, $y);
1788	}	1987	}
1789		1988
1790	cf::player->attach (
1791	on_logout => sub {
1792	my ($pl) = @_;
1793
1794	# abort map switching before logout
1795	if ($pl->ob->{_link_pos}) {
1796	cf::sync_job {
1797	$pl->ob->leave_link
1798	};
1799	}
1800	},
1801	on_login => sub {
1802	my ($pl) = @_;
1803
1804	# try to abort aborted map switching on player login :)
1805	# should happen only on crashes
1806	if ($pl->ob->{_link_pos}) {
1807	$pl->ob->enter_link;
1808	(async {
1809	# we need this sleep as the login has a concurrent enter_exit running
1810	# and this sleep increases chances of the player not ending up in scorn
1811	$pl->ob->reply (undef,
1812	"There was an internal problem at your last logout, "
1813	. "the server will try to bring you to your intended destination in a second.",
1814	cf::NDI_RED);
1815	Coro::Timer::sleep 1;
1816	$pl->ob->leave_link;
1817	})->prio (2);
1818	}
1819	},
1820	);
1821
1822	=item $player_object->goto ($path, $x, $y)	1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1823		1990
		1991	Moves the player to the given map-path and coordinates by first freezing
		1992	her, loading and preparing them map, calling the provided $check callback
		1993	that has to return the map if sucecssful, and then unfreezes the player on
		1994	the new (success) or old (failed) map position.
		1995
1824	=cut	1996	=cut
		1997
		1998	our $GOTOGEN;
1825		1999
1826	sub cf::object::player::goto {	2000	sub cf::object::player::goto {
1827	my ($self, $path, $x, $y) = @_;	2001	my ($self, $path, $x, $y, $check) = @_;
		2002
		2003	# do generation counting so two concurrent goto's will be executed in-order
		2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1828		2005
1829	$self->enter_link;	2006	$self->enter_link;
1830		2007
1831	(async {	2008	(async {
1832	my $map = eval {	2009	my $map = eval {
1833	my $map = cf::map::find $path;	2010	my $map = cf::map::find $path;
		2011
		2012	if ($map) {
1834	$map = $map->customise_for ($self) if $map;	2013	$map = $map->customise_for ($self);
		2014	$map = $check->($map) if $check && $map;
		2015	} else {
		2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2017	}
		2018
1835	$map	2019	$map
		2020	};
		2021
		2022	if ($@) {
		2023	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2024	LOG llevError | logBacktrace, Carp::longmess $@;
1836	} or	2025	}
1837	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1838		2026
		2027	if ($gen == $self->{_goto_generation}) {
		2028	delete $self->{_goto_generation};
1839	$self->leave_link ($map, $x, $y);	2029	$self->leave_link ($map, $x, $y);
		2030	}
1840	})->prio (1);	2031	})->prio (1);
1841	}	2032	}
1842		2033
1843	=item $player_object->enter_exit ($exit_object)	2034	=item $player_object->enter_exit ($exit_object)
1844		2035
…		…
1883		2074
1884	$rmp->{random_seed} ||= $exit->random_seed;	2075	$rmp->{random_seed} ||= $exit->random_seed;
1885		2076
1886	my $data = cf::to_json $rmp;	2077	my $data = cf::to_json $rmp;
1887	my $md5 = Digest::MD5::md5_hex $data;	2078	my $md5 = Digest::MD5::md5_hex $data;
1888	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2079	my $meta = "$RANDOMDIR/$md5.meta";
1889		2080
1890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1891	aio_write $fh, 0, (length $data), $data, 0;	2082	aio_write $fh, 0, (length $data), $data, 0;
1892	undef $fh;	2083	undef $fh;
1893	aio_rename "$meta~", $meta;	2084	aio_rename "$meta~", $meta;
…		…
1902		2093
1903	return unless $self->type == cf::PLAYER;	2094	return unless $self->type == cf::PLAYER;
1904		2095
1905	if ($exit->slaying eq "/!") {	2096	if ($exit->slaying eq "/!") {
1906	#TODO: this should de-fi-ni-te-ly not be a sync-job	2097	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2098	# the problem is that $exit might not survive long enough
		2099	# so it needs to be done right now, right here
1907	cf::sync_job { prepare_random_map $exit };	2100	cf::sync_job { prepare_random_map $exit };
1908	}	2101	}
1909		2102
1910	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2103	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1911	my $hp = $exit->stats->hp;	2104	my $hp = $exit->stats->hp;
…		…
1919	$self->goto ($slaying, $hp, $sp);	2112	$self->goto ($slaying, $hp, $sp);
1920		2113
1921	1;	2114	1;
1922	}) {	2115	}) {
1923	$self->message ("Something went wrong deep within the crossfire server. "	2116	$self->message ("Something went wrong deep within the crossfire server. "
1924	. "I'll try to bring you back to the map you were before. "	2117	. "I'll try to bring you back to the map you were before. "
1925	. "Please report this to the dungeon master!",	2118	. "Please report this to the dungeon master!",
1926	cf::NDI_UNIQUE | cf::NDI_RED);	2119	cf::NDI_UNIQUE | cf::NDI_RED);
1927		2120
1928	warn "ERROR in enter_exit: $@";	2121	warn "ERROR in enter_exit: $@";
1929	$self->leave_link;	2122	$self->leave_link;
1930	}	2123	}
1931	})->prio (1);	2124	})->prio (1);
…		…
1944		2137
1945	sub cf::client::send_drawinfo {	2138	sub cf::client::send_drawinfo {
1946	my ($self, $text, $flags) = @_;	2139	my ($self, $text, $flags) = @_;
1947		2140
1948	utf8::encode $text;	2141	utf8::encode $text;
1949	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1950	}	2143	}
1951		2144
		2145	=item $client->ext_event ($type, %msg)
		2146
		2147	Sends an exti event to the client.
		2148
		2149	=cut
		2150
		2151	sub cf::client::ext_event($$%) {
		2152	my ($self, $type, %msg) = @_;
		2153
		2154	$msg{msgtype} = "event_$type";
		2155	$self->send_packet ("ext " . cf::to_json \%msg);
		2156	}
1952		2157
1953	=item $success = $client->query ($flags, "text", \&cb)	2158	=item $success = $client->query ($flags, "text", \&cb)
1954		2159
1955	Queues a query to the client, calling the given callback with	2160	Queues a query to the client, calling the given callback with
1956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1985	# get handled first	2190	# get handled first
1986	my $queue = delete $ns->{query_queue}	2191	my $queue = delete $ns->{query_queue}
1987	or return; # be conservative, not sure how that can happen, but we saw a crash here	2192	or return; # be conservative, not sure how that can happen, but we saw a crash here
1988		2193
1989	(shift @$queue)->[1]->($msg);	2194	(shift @$queue)->[1]->($msg);
		2195	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1990		2196
1991	push @{ $ns->{query_queue} }, @$queue;	2197	push @{ $ns->{query_queue} }, @$queue;
1992		2198
1993	if (@{ $ns->{query_queue} } == @$queue) {	2199	if (@{ $ns->{query_queue} } == @$queue) {
1994	if (@$queue) {	2200	if (@$queue) {
…		…
2052		2258
2053	# here we export the classes and methods available to script code	2259	# here we export the classes and methods available to script code
2054		2260
2055	=pod	2261	=pod
2056		2262
2057	The following fucntions and emthods are available within a safe environment:	2263	The following functions and methods are available within a safe environment:
2058		2264
2059	cf::object contr pay_amount pay_player map	2265	cf::object contr pay_amount pay_player map
2060	cf::object::player player	2266	cf::object::player player
2061	cf::player peaceful	2267	cf::player peaceful
2062	cf::map trigger	2268	cf::map trigger
…		…
2147	#############################################################################	2353	#############################################################################
2148		2354
2149	=head2 EXTENSION DATABASE SUPPORT	2355	=head2 EXTENSION DATABASE SUPPORT
2150		2356
2151	Crossfire maintains a very simple database for extension use. It can	2357	Crossfire maintains a very simple database for extension use. It can
2152	currently store anything that can be serialised using Storable, which	2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2153	excludes objects.	2359	convert to/from binary).
2154		2360
2155	The parameter C<$family> should best start with the name of the extension	2361	The parameter C<$family> should best start with the name of the extension
2156	using it, it should be unique.	2362	using it, it should be unique.
2157		2363
2158	=over 4	2364	=over 4
2159		2365
2160	=item $hashref = cf::db_get $family
2161
2162	Return a hashref for use by the extension C<$family>, which can be
2163	modified. After modifications, you have to call C<cf::db_dirty> or
2164	C<cf::db_sync>.
2165
2166	=item $value = cf::db_get $family => $key	2366	=item $value = cf::db_get $family => $key
2167		2367
2168	Returns a single value from the database	2368	Returns a single value from the database.
2169
2170	=item cf::db_put $family => $hashref
2171
2172	Stores the given family hashref into the database. Updates are delayed, if
2173	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2174		2369
2175	=item cf::db_put $family => $key => $value	2370	=item cf::db_put $family => $key => $value
2176		2371
2177	Stores the given C<$value> in the family hash. Updates are delayed, if you	2372	Stores the given C<$value> in the family.
2178	want the data to be synced to disk immediately, use C<cf::db_sync>.
2179
2180	=item cf::db_dirty
2181
2182	Marks the database as dirty, to be updated at a later time.
2183
2184	=item cf::db_sync
2185
2186	Immediately write the database to disk I<if it is dirty>.
2187		2373
2188	=cut	2374	=cut
2189		2375
2190	our $DB;	2376	our $DB;
2191		2377
2192	{	2378	sub db_init {
2193	my $path = cf::localdir . "/database.pst";	2379	unless ($DB) {
		2380	$DB = BDB::db_create $DB_ENV;
2194		2381
2195	sub db_load() {	2382	cf::sync_job {
2196	$DB = stat $path ? Storable::retrieve $path : { };	2383	eval {
2197	}	2384	$DB->set_flags (BDB::CHKSUM);
2198		2385
2199	my $pid;	2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2200		2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2201	sub db_save() {	2388	cf::cleanup "db_open(db): $!" if $!;
2202	waitpid $pid, 0 if $pid;	2389	};
2203	if (0 == ($pid = fork)) {	2390	cf::cleanup "db_open(db): $@" if $@;
2204	$DB->{_meta}{version} = 1;
2205	Storable::nstore $DB, "$path~";
2206	rename "$path~", $path;
2207	cf::_exit 0 if defined $pid;
2208	}	2391	};
2209	}	2392	}
		2393	}
2210		2394
2211	my $dirty;
2212
2213	sub db_sync() {
2214	db_save if $dirty;
2215	undef $dirty;
2216	}
2217
2218	my $idle = Event->idle (
2219	reentrant => 0,
2220	min => 10,
2221	max => 20,
2222	repeat => 0,
2223	data => WF_AUTOCANCEL,
2224	cb => \&db_sync,
2225	);
2226
2227	sub db_dirty() {
2228	$dirty = 1;
2229	$idle->start;
2230	}
2231
2232	sub db_get($;$) {	2395	sub db_get($$) {
2233	@_ >= 2	2396	my $key = "$_[0]/$_[1]";
2234	? $DB->{$_[0]}{$_[1]}
2235	: ($DB->{$_[0]} ||= { })
2236	}
2237		2397
		2398	cf::sync_job {
		2399	BDB::db_get $DB, undef, $key, my $data;
		2400
		2401	$! ? ()
		2402	: $data
		2403	}
		2404	}
		2405
2238	sub db_put($$;$) {	2406	sub db_put($$$) {
2239	if (@_ >= 3) {	2407	BDB::dbreq_pri 4;
2240	$DB->{$_[0]}{$_[1]} = $_[2];	2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2241	} else {	2409	}
2242	$DB->{$_[0]} = $_[1];
2243	}
2244	db_dirty;
2245	}
2246		2410
2247	cf::global->attach (	2411	=item cf::cache $id => [$paths...], $processversion => $process
2248	prio => 10000,	2412
2249	on_cleanup => sub {	2413	Generic caching function that returns the value of the resource $id,
2250	db_sync;	2414	caching and regenerating as required.
		2415
		2416	This function can block.
		2417
		2418	=cut
		2419
		2420	sub cache {
		2421	my ($id, $src, $processversion, $process) = @_;
		2422
		2423	my $meta =
		2424	join "\x00",
		2425	$processversion,
		2426	map {
		2427	aio_stat $_
		2428	and Carp::croak "$_: $!";
		2429
		2430	($_, (stat _)[7,9])
		2431	} @$src;
		2432
		2433	my $dbmeta = db_get cache => "$id/meta";
		2434	if ($dbmeta ne $meta) {
		2435	# changed, we may need to process
		2436
		2437	my @data;
		2438	my $md5;
		2439
		2440	for (0 .. $#$src) {
		2441	0 <= aio_load $src->[$_], $data[$_]
		2442	or Carp::croak "$src->[$_]: $!";
2251	},	2443	}
2252	);	2444
		2445	# if processing is expensive, check
		2446	# checksum first
		2447	if (1) {
		2448	$md5 =
		2449	join "\x00",
		2450	$processversion,
		2451	map {
		2452	Coro::cede;
		2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2454	} 0.. $#$src;
		2455
		2456
		2457	my $dbmd5 = db_get cache => "$id/md5";
		2458	if ($dbmd5 eq $md5) {
		2459	db_put cache => "$id/meta", $meta;
		2460
		2461	return db_get cache => "$id/data";
		2462	}
		2463	}
		2464
		2465	my $t1 = Time::HiRes::time;
		2466	my $data = $process->(\@data);
		2467	my $t2 = Time::HiRes::time;
		2468
		2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2470
		2471	db_put cache => "$id/data", $data;
		2472	db_put cache => "$id/md5" , $md5;
		2473	db_put cache => "$id/meta", $meta;
		2474
		2475	return $data;
		2476	}
		2477
		2478	db_get cache => "$id/data"
		2479	}
		2480
		2481	=item fork_call { }, $args
		2482
		2483	Executes the given code block with the given arguments in a seperate
		2484	process, returning the results. Everything must be serialisable with
		2485	Coro::Storable. May, of course, block. Note that the executed sub may
		2486	never block itself or use any form of Event handling.
		2487
		2488	=cut
		2489
		2490	sub fork_call(&@) {
		2491	my ($cb, @args) = @_;
		2492
		2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2494	# or die "socketpair: $!";
		2495	pipe my $fh1, my $fh2
		2496	or die "pipe: $!";
		2497
		2498	if (my $pid = fork) {
		2499	close $fh2;
		2500
		2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2502	$res = Coro::Storable::thaw $res;
		2503
		2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2505
		2506	die $$res unless "ARRAY" eq ref $res;
		2507
		2508	return wantarray ? @$res : $res->[-1];
		2509	} else {
		2510	reset_signals;
		2511	local $SIG{__WARN__};
		2512	local $SIG{__DIE__};
		2513	eval {
		2514	close $fh1;
		2515
		2516	my @res = eval { $cb->(@args) };
		2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2518	};
		2519
		2520	warn $@ if $@;
		2521	_exit 0;
		2522	}
2253	}	2523	}
2254		2524
2255	#############################################################################	2525	#############################################################################
2256	# the server's main()	2526	# the server's init and main functions
		2527
		2528	sub load_facedata($) {
		2529	my ($path) = @_;
		2530
		2531	warn "loading facedata from $path\n";
		2532
		2533	my $facedata;
		2534	0 < aio_load $path, $facedata
		2535	or die "$path: $!";
		2536
		2537	$facedata = Coro::Storable::thaw $facedata;
		2538
		2539	$facedata->{version} == 2
		2540	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2541
		2542	{
		2543	my $faces = $facedata->{faceinfo};
		2544
		2545	while (my ($face, $info) = each %$faces) {
		2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2550	Coro::cede;
		2551	}
		2552
		2553	while (my ($face, $info) = each %$faces) {
		2554	next unless $info->{smooth};
		2555	my $idx = cf::face::find $face
		2556	or next;
		2557	if (my $smooth = cf::face::find $info->{smooth}) {
		2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2559	} else {
		2560	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2561	}
		2562	Coro::cede;
		2563	}
		2564	}
		2565
		2566	{
		2567	my $anims = $facedata->{animinfo};
		2568
		2569	while (my ($anim, $info) = each %$anims) {
		2570	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2571	Coro::cede;
		2572	}
		2573
		2574	cf::anim::invalidate_all; # d'oh
		2575	}
		2576
		2577	1
		2578	}
		2579
		2580	sub reload_regions {
		2581	load_resource_file "$MAPDIR/regions"
		2582	or die "unable to load regions file\n";
		2583	}
		2584
		2585	sub reload_facedata {
		2586	load_facedata "$DATADIR/facedata"
		2587	or die "unable to load facedata\n";
		2588	}
		2589
		2590	sub reload_archetypes {
		2591	load_resource_file "$DATADIR/archetypes"
		2592	or die "unable to load archetypes\n";
		2593	}
		2594
		2595	sub reload_treasures {
		2596	load_resource_file "$DATADIR/treasures"
		2597	or die "unable to load treasurelists\n";
		2598	}
		2599
		2600	sub reload_resources {
		2601	warn "reloading resource files...\n";
		2602
		2603	reload_regions;
		2604	reload_facedata;
		2605	#reload_archetypes;#d#
		2606	reload_archetypes;
		2607	reload_treasures;
		2608
		2609	warn "finished reloading resource files\n";
		2610	}
		2611
		2612	sub init {
		2613	reload_resources;
		2614	}
2257		2615
2258	sub cfg_load {	2616	sub cfg_load {
2259	open my $fh, "<:utf8", cf::confdir . "/config"	2617	open my $fh, "<:utf8", "$CONFDIR/config"
2260	or return;	2618	or return;
2261		2619
2262	local $/;	2620	local $/;
2263	*CFG = YAML::Syck::Load <$fh>;	2621	*CFG = YAML::Syck::Load <$fh>;
2264		2622
…		…
2284	Event::one_event;	2642	Event::one_event;
2285	})->prio (Coro::PRIO_MAX);	2643	})->prio (Coro::PRIO_MAX);
2286	};	2644	};
2287		2645
2288	cfg_load;	2646	cfg_load;
2289	db_load;	2647	db_init;
2290	load_extensions;	2648	load_extensions;
2291		2649
2292	$TICK_WATCHER->start;	2650	$TICK_WATCHER->start;
2293	Event::loop;	2651	Event::loop;
2294	}	2652	}
…		…
2333	my $map = $cf::MAP{$path} or next;	2691	my $map = $cf::MAP{$path} or next;
2334	$map->valid or next;	2692	$map->valid or next;
2335	$map->save;	2693	$map->save;
2336	}	2694	}
2337	warn "end emergency map save\n";	2695	warn "end emergency map save\n";
		2696
		2697	warn "begin emergency database checkpoint\n";
		2698	BDB::db_env_txn_checkpoint $DB_ENV;
		2699	warn "end emergency database checkpoint\n";
2338	};	2700	};
2339		2701
2340	warn "leave emergency perl save\n";	2702	warn "leave emergency perl save\n";
2341	}	2703	}
2342		2704
		2705	sub post_cleanup {
		2706	my ($make_core) = @_;
		2707
		2708	warn Carp::longmess "post_cleanup backtrace"
		2709	if $make_core;
		2710	}
		2711
2343	sub reload() {	2712	sub do_reload_perl() {
2344	# can/must only be called in main	2713	# can/must only be called in main
2345	if ($Coro::current != $Coro::main) {	2714	if ($Coro::current != $Coro::main) {
2346	warn "can only reload from main coroutine";	2715	warn "can only reload from main coroutine";
2347	return;	2716	return;
2348	}	2717	}
2349		2718
2350	warn "reloading...";	2719	warn "reloading...";
2351		2720
2352	warn "cancelling server ticker";	2721	warn "entering sync_job";
2353	$TICK_WATCHER->cancel;
2354		2722
		2723	cf::sync_job {
		2724	cf::write_runtime; # external watchdog should not bark
2355	cf::emergency_save;	2725	cf::emergency_save;
		2726	cf::write_runtime; # external watchdog should not bark
2356		2727
2357	eval {	2728	warn "syncing database to disk";
		2729	BDB::db_env_txn_checkpoint $DB_ENV;
		2730
2358	# if anything goes wrong in here, we should simply crash as we already saved	2731	# if anything goes wrong in here, we should simply crash as we already saved
2359
2360	warn "syncing database to disk";
2361	cf::db_sync;
2362		2732
2363	warn "cancelling all WF_AUTOCANCEL watchers";	2733	warn "cancelling all WF_AUTOCANCEL watchers";
2364	for (Event::all_watchers) {	2734	for (Event::all_watchers) {
2365	$_->cancel if $_->data & WF_AUTOCANCEL;	2735	$_->cancel if $_->data & WF_AUTOCANCEL;
2366	}	2736	}
2367		2737
2368	warn "flushing outstanding aio requests";	2738	warn "flushing outstanding aio requests";
2369	for (;;) {	2739	for (;;) {
		2740	BDB::flush;
2370	IO::AIO::flush;	2741	IO::AIO::flush;
2371	Coro::cede;	2742	Coro::cede;
2372	last unless IO::AIO::nreqs;	2743	last unless IO::AIO::nreqs || BDB::nreqs;
2373	warn "iterate...";	2744	warn "iterate...";
2374	}	2745	}
		2746
		2747	++$RELOAD;
2375		2748
2376	warn "cancelling all extension coros";	2749	warn "cancelling all extension coros";
2377	$_->cancel for values %EXT_CORO;	2750	$_->cancel for values %EXT_CORO;
2378	%EXT_CORO = ();	2751	%EXT_CORO = ();
2379		2752
…		…
2419	Symbol::delete_package "safe::$_"	2792	Symbol::delete_package "safe::$_"
2420	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2793	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2421		2794
2422	warn "unloading cf.pm \"a bit\"";	2795	warn "unloading cf.pm \"a bit\"";
2423	delete $INC{"cf.pm"};	2796	delete $INC{"cf.pm"};
		2797	delete $INC{"cf/pod.pm"};
2424		2798
2425	# don't, removes xs symbols, too,	2799	# don't, removes xs symbols, too,
2426	# and global variables created in xs	2800	# and global variables created in xs
2427	#Symbol::delete_package __PACKAGE__;	2801	#Symbol::delete_package __PACKAGE__;
2428		2802
…		…
2432	require cf;	2806	require cf;
2433	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2434		2808
2435	warn "loading config and database again";	2809	warn "loading config and database again";
2436	cf::cfg_load;	2810	cf::cfg_load;
2437	cf::db_load;
2438		2811
2439	warn "loading extensions";	2812	warn "loading extensions";
2440	cf::load_extensions;	2813	cf::load_extensions;
2441		2814
2442	warn "reattaching attachments to objects/players";	2815	warn "reattaching attachments to objects/players";
2443	_global_reattach;	2816	_global_reattach; # objects, sockets
2444	warn "reattaching attachments to maps";	2817	warn "reattaching attachments to maps";
2445	reattach $_ for values %MAP;	2818	reattach $_ for values %MAP;
		2819	warn "reattaching attachments to players";
		2820	reattach $_ for values %PLAYER;
2446		2821
2447	warn "restarting server ticker";	2822	warn "leaving sync_job";
2448		2823
2449	$TICK_WATCHER->start;	2824	1
2450	};	2825	} or do {
2451
2452	if ($@) {
2453	warn $@;	2826	warn $@;
2454	warn "error while reloading, exiting.";	2827	warn "error while reloading, exiting.";
2455	exit 1;	2828	exit 1;
2456	}	2829	};
2457		2830
2458	warn "reloaded";	2831	warn "reloaded";
2459	};	2832	};
2460		2833
2461	our $RELOAD_WATCHER; # used only during reload	2834	our $RELOAD_WATCHER; # used only during reload
2462		2835
		2836	sub reload_perl() {
		2837	# doing reload synchronously and two reloads happen back-to-back,
		2838	# coro crashes during coro_state_free->destroy here.
		2839
		2840	$RELOAD_WATCHER ||= Event->timer (
		2841	reentrant => 0,
		2842	after => 0,
		2843	data => WF_AUTOCANCEL,
		2844	cb => sub {
		2845	do_reload_perl;
		2846	undef $RELOAD_WATCHER;
		2847	},
		2848	);
		2849	}
		2850
2463	register_command "reload" => sub {	2851	register_command "reload" => sub {
2464	my ($who, $arg) = @_;	2852	my ($who, $arg) = @_;
2465		2853
2466	if ($who->flag (FLAG_WIZ)) {	2854	if ($who->flag (FLAG_WIZ)) {
2467	$who->message ("reloading server.");	2855	$who->message ("reloading server.");
2468		2856	async { reload_perl };
2469	# doing reload synchronously and two reloads happen back-to-back,
2470	# coro crashes during coro_state_free->destroy here.
2471
2472	$RELOAD_WATCHER ||= Event->timer (
2473	reentrant => 0,
2474	after => 0,
2475	data => WF_AUTOCANCEL,
2476	cb => sub {
2477	reload;
2478	undef $RELOAD_WATCHER;
2479	},
2480	);
2481	}	2857	}
2482	};	2858	};
2483		2859
2484	unshift @INC, $LIBDIR;	2860	unshift @INC, $LIBDIR;
2485		2861
2486	my $bug_warning = 0;	2862	my $bug_warning = 0;
2487		2863
		2864	our @WAIT_FOR_TICK;
		2865	our @WAIT_FOR_TICK_BEGIN;
		2866
		2867	sub wait_for_tick {
		2868	return unless $TICK_WATCHER->is_active;
		2869	return if $Coro::current == $Coro::main;
		2870
		2871	my $signal = new Coro::Signal;
		2872	push @WAIT_FOR_TICK, $signal;
		2873	$signal->wait;
		2874	}
		2875
		2876	sub wait_for_tick_begin {
		2877	return unless $TICK_WATCHER->is_active;
		2878	return if $Coro::current == $Coro::main;
		2879
		2880	my $signal = new Coro::Signal;
		2881	push @WAIT_FOR_TICK_BEGIN, $signal;
		2882	$signal->wait;
		2883	}
		2884
		2885	my $min = 1e6;#d#
		2886	my $avg = 10;
2488	$TICK_WATCHER = Event->timer (	2887	$TICK_WATCHER = Event->timer (
2489	reentrant => 0,	2888	reentrant => 0,
2490	parked => 1,	2889	parked => 1,
2491	prio => 0,	2890	prio => 0,
2492	at => $NEXT_TICK || $TICK,	2891	at => $NEXT_TICK || $TICK,
…		…
2496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2895	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2497	unless ++$bug_warning > 10;	2896	unless ++$bug_warning > 10;
2498	return;	2897	return;
2499	}	2898	}
2500		2899
2501	$NOW = Event::time;	2900	$NOW = $tick_start = Event::time;
2502		2901
2503	cf::server_tick; # one server iteration	2902	cf::server_tick; # one server iteration
		2903
		2904	0 && sync_job {#d#
		2905	for(1..10) {
		2906	my $t = Event::time;
		2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2908	or die;
		2909
		2910	$map->width (50);
		2911	$map->height (50);
		2912	$map->alloc;
		2913	$map->_load_objects ("/tmp/x.map", 1);
		2914	my $t = Event::time - $t;
		2915
		2916	#next unless $t < 0.0013;#d#
		2917	if ($t < $min) {
		2918	$min = $t;
		2919	}
		2920	$avg = $avg * 0.99 + $t * 0.01;
		2921	}
		2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2923	exit 0;
		2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2925	};
		2926
2504	$RUNTIME += $TICK;	2927	$RUNTIME += $TICK;
2505	$NEXT_TICK += $TICK;	2928	$NEXT_TICK += $TICK;
2506		2929
2507	$WAIT_FOR_TICK->broadcast;	2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2508	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
2509		2932	Coro::async_pool {
2510	Event::sweep;	2933	write_runtime
2511	Coro::cede_notself;	2934	or warn "ERROR: unable to write runtime file: $!";
		2935	};
2512		2936	}
		2937
2513	# my $AFTER = Event::time;	2938	# my $AFTER = Event::time;
2514	# warn $AFTER - $NOW;#d#	2939	# warn $AFTER - $NOW;#d#
2515		2940
		2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2942	$sig->send;
		2943	}
		2944	while (my $sig = shift @WAIT_FOR_TICK) {
		2945	$sig->send;
		2946	}
		2947
		2948	$NOW = Event::time;
		2949
2516	# if we are delayed by four ticks or more, skip them all	2950	# if we are delayed by four ticks or more, skip them all
2517	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2518		2952
2519	$TICK_WATCHER->at ($NEXT_TICK);	2953	$TICK_WATCHER->at ($NEXT_TICK);
2520	$TICK_WATCHER->start;	2954	$TICK_WATCHER->start;
		2955
		2956	$LOAD = ($NOW - $tick_start) / $TICK;
		2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2958
		2959	_post_tick;
		2960
		2961
2521	},	2962	},
2522	);	2963	);
2523		2964
		2965	{
		2966	BDB::max_poll_time $TICK * 0.1;
		2967	$BDB_POLL_WATCHER = Event->io (
		2968	reentrant => 0,
		2969	fd => BDB::poll_fileno,
		2970	poll => 'r',
		2971	prio => 0,
		2972	data => WF_AUTOCANCEL,
		2973	cb => \&BDB::poll_cb,
		2974	);
		2975	BDB::min_parallel 8;
		2976
		2977	BDB::set_sync_prepare {
		2978	my $status;
		2979	my $current = $Coro::current;
		2980	(
		2981	sub {
		2982	$status = $!;
		2983	$current->ready; undef $current;
		2984	},
		2985	sub {
		2986	Coro::schedule while defined $current;
		2987	$! = $status;
		2988	},
		2989	)
		2990	};
		2991
		2992	unless ($DB_ENV) {
		2993	$DB_ENV = BDB::db_env_create;
		2994
		2995	cf::sync_job {
		2996	eval {
		2997	BDB::db_env_open
		2998	$DB_ENV,
		2999	$BDBDIR,
		3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3002	0666;
		3003
		3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3005
		3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3007	$DB_ENV->set_lk_detect;
		3008	};
		3009
		3010	cf::cleanup "db_env_open(db): $@" if $@;
		3011	};
		3012	}
		3013	}
		3014
		3015	{
		3016	IO::AIO::min_parallel 8;
		3017
		3018	undef $Coro::AIO::WATCHER;
2524	IO::AIO::max_poll_time $TICK * 0.1;	3019	IO::AIO::max_poll_time $TICK * 0.1;
2525
2526	undef $Coro::AIO::WATCHER;
2527	$AIO_POLL_WATCHER = Event->io (	3020	$AIO_POLL_WATCHER = Event->io (
2528	reentrant => 0,	3021	reentrant => 0,
		3022	data => WF_AUTOCANCEL,
2529	fd => IO::AIO::poll_fileno,	3023	fd => IO::AIO::poll_fileno,
2530	poll => 'r',	3024	poll => 'r',
2531	prio => 6,	3025	prio => 6,
2532	data => WF_AUTOCANCEL,
2533	cb => \&IO::AIO::poll_cb,	3026	cb => \&IO::AIO::poll_cb,
2534	);	3027	);
		3028	}
2535		3029
2536	$WRITE_RUNTIME_WATCHER = Event->timer (	3030	my $_log_backtrace;
2537	reentrant => 0,	3031
2538	data => WF_AUTOCANCEL,	3032	sub _log_backtrace {
2539	after => 1,	3033	my ($msg, @addr) = @_;
2540	interval => 10,	3034
2541	prio => 6, # keep it lowest so it acts like a watchdog	3035	$msg =~ s/\n//;
2542	cb => Coro::unblock_sub {	3036
2543	write_runtime	3037	# limit the # of concurrent backtraces
2544	or warn "ERROR: unable to write runtime file: $!";	3038	if ($_log_backtrace < 2) {
		3039	++$_log_backtrace;
		3040	async {
		3041	my @bt = fork_call {
		3042	@addr = map { sprintf "%x", $_ } @addr;
		3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3045	or die "addr2line: $!";
		3046
		3047	my @funcs;
		3048	my @res = <$fh>;
		3049	chomp for @res;
		3050	while (@res) {
		3051	my ($func, $line) = splice @res, 0, 2, ();
		3052	push @funcs, "[$func] $line";
		3053	}
		3054
		3055	@funcs
		3056	};
		3057
		3058	LOG llevInfo, "[ABT] $msg\n";
		3059	LOG llevInfo, "[ABT] $_\n" for @bt;
		3060	--$_log_backtrace;
		3061	};
		3062	} else {
		3063	LOG llevInfo, "[ABT] $msg\n";
		3064	LOG llevInfo, "[ABT] [suppressed]\n";
2545	},	3065	}
2546	);	3066	}
		3067
		3068	# load additional modules
		3069	use cf::pod;
2547		3070
2548	END { cf::emergency_save }	3071	END { cf::emergency_save }
2549		3072
2550	1	3073	1
2551		3074

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