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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.187 by root, Sat Jan 20 21:06:52 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 3.4 ();	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) = @_;
		1316
		1317	$path = "$path"; # make sure its a string
		1318
		1319	$path =~ s/\.map$//;
1180		1320
1181	# map plan:	1321	# map plan:
1182	#	1322	#
1183	# /! non-realised random map exit (special hack!)	1323	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1324	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1361	$self->init; # pass $1 etc.
1222	return $self;	1362	return $self;
1223	}	1363	}
1224	}	1364	}
1225		1365
1226	Carp::carp "unable to resolve path '$path'.";	1366	Carp::carp "unable to resolve path '$path' (base '$base').";
1227	()	1367	()
1228	}	1368	}
1229		1369
1230	sub init {	1370	sub init {
1231	my ($self) = @_;	1371	my ($self) = @_;
…		…
1246		1386
1247	# the original (read-only) location	1387	# the original (read-only) location
1248	sub load_path {	1388	sub load_path {
1249	my ($self) = @_;	1389	my ($self) = @_;
1250		1390
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1391	"$MAPDIR/$self->{path}.map"
1252	}	1392	}
1253		1393
1254	# the temporary/swap location	1394	# the temporary/swap location
1255	sub save_path {	1395	sub save_path {
1256	my ($self) = @_;	1396	my ($self) = @_;
1257		1397
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1399	"$TMPDIR/$path.map"
1260	}	1400	}
1261		1401
1262	# the unique path, undef == no special unique path	1402	# the unique path, undef == no special unique path
1263	sub uniq_path {	1403	sub uniq_path {
1264	my ($self) = @_;	1404	my ($self) = @_;
1265		1405
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1407	"$UNIQUEDIR/$path"
1268	}	1408	}
1269		1409
1270	# and all this just because we cannot iterate over	1410	# and all this just because we cannot iterate over
1271	# all maps in C++...	1411	# all maps in C++...
1272	sub change_all_map_light {	1412	sub change_all_map_light {
…		…
1274		1414
1275	$_->change_map_light ($change)	1415	$_->change_map_light ($change)
1276	for grep $_->outdoor, values %cf::MAP;	1416	for grep $_->outdoor, values %cf::MAP;
1277	}	1417	}
1278		1418
		1419	sub decay_objects {
		1420	my ($self) = @_;
		1421
		1422	return if $self->{deny_reset};
		1423
		1424	$self->do_decay_objects;
		1425	}
		1426
1279	sub unlink_save {	1427	sub unlink_save {
1280	my ($self) = @_;	1428	my ($self) = @_;
1281		1429
1282	utf8::encode (my $save = $self->save_path);	1430	utf8::encode (my $save = $self->save_path);
1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1431	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1286		1434
1287	sub load_header_from($) {	1435	sub load_header_from($) {
1288	my ($self, $path) = @_;	1436	my ($self, $path) = @_;
1289		1437
1290	utf8::encode $path;	1438	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1439	#aio_open $path, O_RDONLY, 0
1292	or return;	1440	# or return;
1293		1441
1294	$self->_load_header ($path)	1442	$self->_load_header ($path)
1295	or return;	1443	or return;
1296		1444
1297	$self->{load_path} = $path;	1445	$self->{load_path} = $path;
1298		1446
1299	1	1447	1
1300	}	1448	}
1301		1449
1302	sub load_orig {	1450	sub load_header_orig {
1303	my ($self) = @_;	1451	my ($self) = @_;
1304		1452
1305	$self->load_header_from ($self->load_path)	1453	$self->load_header_from ($self->load_path)
1306	}	1454	}
1307		1455
1308	sub load_temp {	1456	sub load_header_temp {
1309	my ($self) = @_;	1457	my ($self) = @_;
1310		1458
1311	$self->load_header_from ($self->save_path)	1459	$self->load_header_from ($self->save_path)
		1460	}
		1461
		1462	sub prepare_temp {
		1463	my ($self) = @_;
		1464
		1465	$self->last_access ((delete $self->{last_access})
		1466	|| $cf::RUNTIME); #d#
		1467	# safety
		1468	$self->{instantiate_time} = $cf::RUNTIME
		1469	if $self->{instantiate_time} > $cf::RUNTIME;
		1470	}
		1471
		1472	sub prepare_orig {
		1473	my ($self) = @_;
		1474
		1475	$self->{load_original} = 1;
		1476	$self->{instantiate_time} = $cf::RUNTIME;
		1477	$self->last_access ($cf::RUNTIME);
		1478	$self->instantiate;
1312	}	1479	}
1313		1480
1314	sub load_header {	1481	sub load_header {
1315	my ($self) = @_;	1482	my ($self) = @_;
1316		1483
1317	if ($self->load_temp) {	1484	if ($self->load_header_temp) {
1318	$self->last_access ((delete $self->{last_access})	1485	$self->prepare_temp;
1319	|| $cf::RUNTIME); #d#
1320	# safety
1321	$self->{instantiate_time} = $cf::RUNTIME
1322	if $self->{instantiate_time} > $cf::RUNTIME;
1323	} else {	1486	} else {
1324	$self->load_orig	1487	$self->load_header_orig
1325	or return;	1488	or return;
1326		1489	$self->prepare_orig;
1327	$self->{load_original} = 1;
1328	$self->{instantiate_time} = $cf::RUNTIME;
1329	$self->last_access ($cf::RUNTIME);
1330	$self->instantiate;
1331	}	1490	}
		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;
1332		1497
1333	1	1498	1
1334	}	1499	}
1335		1500
1336	sub find;	1501	sub find;
…		…
1349	$map->{last_save} = $cf::RUNTIME;	1514	$map->{last_save} = $cf::RUNTIME;
1350		1515
1351	$map->load_header	1516	$map->load_header
1352	or return;	1517	or return;
1353		1518
1354	if ($map->should_reset) {	1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1355	# doing this can freeze the server in a sync job, obviously	1520	# doing this can freeze the server in a sync job, obviously
1356	#$cf::WAIT_FOR_TICK->wait;	1521	#$cf::WAIT_FOR_TICK->wait;
1357	$map->reset;	1522	$map->reset;
1358	undef $guard;	1523	undef $guard;
1359	$map = find $path	1524	return find $path;
1360	or return;
1361	}	1525	}
1362		1526
1363	$cf::MAP{$path} = $map	1527	$cf::MAP{$path} = $map
1364	}	1528	}
1365	}	1529	}
		1530
		1531	sub pre_load { }
		1532	sub post_load { }
1366		1533
1367	sub load {	1534	sub load {
1368	my ($self) = @_;	1535	my ($self) = @_;
1369		1536
		1537	local $self->{deny_reset} = 1; # loading can take a long time
		1538
1370	my $path = $self->{path};	1539	my $path = $self->{path};
		1540
		1541	{
1371	my $guard = cf::lock_acquire "map_load:$path";	1542	my $guard = cf::lock_acquire "map_load:$path";
1372		1543
1373	return if $self->in_memory != cf::MAP_SWAPPED;	1544	return if $self->in_memory != cf::MAP_SWAPPED;
1374		1545
1375	$self->in_memory (cf::MAP_LOADING);	1546	$self->in_memory (cf::MAP_LOADING);
1376		1547
1377	$self->alloc;	1548	$self->alloc;
1378	$self->_load_objects ($self->{load_path}, 1)
1379	or return;
1380		1549
1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1550	$self->pre_load;
1382	if delete $self->{load_original};
1383
1384	if (my $uniq = $self->uniq_path) {
1385	utf8::encode $uniq;
1386	if (aio_open $uniq, O_RDONLY, 0) {
1387	$self->clear_unique_items;
1388	$self->_load_objects ($uniq, 0);
1389	}
1390	}
1391
1392	Coro::cede;
1393
1394	# now do the right thing for maps
1395	$self->link_multipart_objects;
1396
1397	unless ($self->{deny_activate}) {
1398	$self->decay_objects;
1399	$self->fix_auto_apply;
1400	$self->update_buttons;
1401	Coro::cede;	1551	Coro::cede;
1402	$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;
1403	$self->difficulty ($self->estimate_difficulty)	1570	$self->difficulty ($self->estimate_difficulty)
1404	unless $self->difficulty;	1571	unless $self->difficulty;
1405	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;
1406	$self->activate;	1581	$self->activate;
1407	}	1582	}
1408		1583
1409	$self->in_memory (cf::MAP_IN_MEMORY);	1584	$self->in_memory (cf::MAP_IN_MEMORY);
		1585	}
		1586
		1587	$self->post_load;
1410	}	1588	}
1411		1589
1412	sub customise_for {	1590	sub customise_for {
1413	my ($self, $ob) = @_;	1591	my ($self, $ob) = @_;
1414		1592
1415	return find "~" . $ob->name . "/" . $self->{path}	1593	return find "~" . $ob->name . "/" . $self->{path}
1416	if $self->per_player;	1594	if $self->per_player;
		1595
		1596	# return find "?party/" . $ob->name . "/" . $self->{path}
		1597	# if $self->per_party;
1417		1598
1418	$self	1599	$self
1419	}	1600	}
1420		1601
1421	# 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
…		…
1477	delete $MAP_PREFETCH{$path};	1658	delete $MAP_PREFETCH{$path};
1478	}	1659	}
1479	}	1660	}
1480	undef $MAP_PREFETCHER;	1661	undef $MAP_PREFETCHER;
1481	};	1662	};
		1663	$MAP_PREFETCHER->prio (6);
1482		1664
1483	()	1665	()
1484	}	1666	}
1485		1667
1486	sub save {	1668	sub save {
…		…
1531		1713
1532	sub reset_at {	1714	sub reset_at {
1533	my ($self) = @_;	1715	my ($self) = @_;
1534		1716
1535	# TODO: safety, remove and allow resettable per-player maps	1717	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	1718	return 1e99 if $self->{deny_reset};
1538		1719
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1720	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	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;
1541		1722
…		…
1552	my ($self) = @_;	1733	my ($self) = @_;
1553		1734
1554	my $lock = cf::lock_acquire "map_data:$self->{path}";	1735	my $lock = cf::lock_acquire "map_data:$self->{path}";
1555		1736
1556	return if $self->players;	1737	return if $self->players;
1557	return if $self->isa ("ext::map_per_player");#d#
1558		1738
1559	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	}
1560		1750
1561	delete $cf::MAP{$self->path};	1751	delete $cf::MAP{$self->path};
1562		1752
1563	$self->in_memory (cf::MAP_SWAPPED);
1564	$self->clear;	1753	$self->clear;
1565		1754
1566	$_->clear_links_to ($self) for values %cf::MAP;	1755	$_->clear_links_to ($self) for values %cf::MAP;
1567		1756
1568	$self->unlink_save;	1757	$self->unlink_save;
…		…
1587	$cf::MAP{$self->path} = $self;	1776	$cf::MAP{$self->path} = $self;
1588		1777
1589	$self->reset; # polite request, might not happen	1778	$self->reset; # polite request, might not happen
1590	}	1779	}
1591		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
1592	=item cf::map::unique_maps	1799	=item cf::map::unique_maps
1593		1800
1594	Returns an arrayref of paths of all shared maps that have	1801	Returns an arrayref of paths of all shared maps that have
1595	instantiated unique items. May block.	1802	instantiated unique items. May block.
1596		1803
1597	=cut	1804	=cut
1598		1805
1599	sub unique_maps() {	1806	sub unique_maps() {
1600	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1807	[
1601	or return;	1808	map {
1602
1603	my @paths;
1604
1605	for (@$files) {
1606	utf8::decode $_;	1809	utf8::decode $_;
1607	next if /\.pst$/;	1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o
1608	next unless /^$PATH_SEP/o;	1811	? normalise $_
1609		1812	: ()
1610	s/\.map$//;	1813	} @{ aio_readdir $UNIQUEDIR or [] }
1611	push @paths, $_;
1612	}	1814	]
1613
1614	\@paths
1615	}	1815	}
1616		1816
1617	package cf;	1817	package cf;
1618		1818
1619	=back	1819	=back
…		…
1710	=cut	1910	=cut
1711		1911
1712	sub link_map {	1912	sub link_map {
1713	unless ($LINK_MAP) {	1913	unless ($LINK_MAP) {
1714	$LINK_MAP = cf::map::find "{link}"	1914	$LINK_MAP = cf::map::find "{link}"
1715	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1915	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1716	$LINK_MAP->load;	1916	$LINK_MAP->load;
1717	}	1917	}
1718		1918
1719	$LINK_MAP	1919	$LINK_MAP
1720	}	1920	}
…		…
1725	$self->deactivate_recursive;	1925	$self->deactivate_recursive;
1726		1926
1727	return if UNIVERSAL::isa $self->map, "ext::map_link";	1927	return if UNIVERSAL::isa $self->map, "ext::map_link";
1728		1928
1729	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1929	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1730	if $self->map;	1930	if $self->map && $self->map->{path} ne "{link}";
1731		1931
1732	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1932	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1733	}	1933	}
1734		1934
1735	sub cf::object::player::leave_link {	1935	sub cf::object::player::leave_link {
1736	my ($self, $map, $x, $y) = @_;	1936	my ($self, $map, $x, $y) = @_;
		1937
		1938	return unless $self->contr->active;
1737		1939
1738	my $link_pos = delete $self->{_link_pos};	1940	my $link_pos = delete $self->{_link_pos};
1739		1941
1740	unless ($map) {	1942	unless ($map) {
1741	# restore original map position	1943	# restore original map position
…		…
1759	$map->load;	1961	$map->load;
1760	$map->load_diag;	1962	$map->load_diag;
1761		1963
1762	return unless $self->contr->active;	1964	return unless $self->contr->active;
1763	$self->activate_recursive;	1965	$self->activate_recursive;
		1966
		1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1764	$self->enter_map ($map, $x, $y);	1968	$self->enter_map ($map, $x, $y);
1765	}	1969	}
1766		1970
1767	cf::player->attach (
1768	on_logout => sub {
1769	my ($pl) = @_;
1770
1771	# abort map switching before logout
1772	if ($pl->ob->{_link_pos}) {
1773	cf::sync_job {
1774	$pl->ob->leave_link
1775	};
1776	}
1777	},
1778	on_login => sub {
1779	my ($pl) = @_;
1780
1781	# try to abort aborted map switching on player login :)
1782	# should happen only on crashes
1783	if ($pl->ob->{_link_pos}) {
1784	$pl->ob->enter_link;
1785	(async {
1786	# we need this sleep as the login has a concurrent enter_exit running
1787	# and this sleep increases chances of the player not ending up in scorn
1788	$pl->ob->reply (undef,
1789	"There was an internal problem at your last logout, "
1790	. "the server will try to bring you to your intended destination in a second.",
1791	cf::NDI_RED);
1792	Coro::Timer::sleep 1;
1793	$pl->ob->leave_link;
1794	})->prio (2);
1795	}
1796	},
1797	);
1798
1799	=item $player_object->goto ($path, $x, $y)	1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1800		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
1801	=cut	1978	=cut
		1979
		1980	our $GOTOGEN;
1802		1981
1803	sub cf::object::player::goto {	1982	sub cf::object::player::goto {
1804	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;
1805		1987
1806	$self->enter_link;	1988	$self->enter_link;
1807		1989
1808	(async {	1990	(async {
		1991	my $map = eval {
1809	my $map = cf::map::find $path;	1992	my $map = cf::map::find $path;
		1993
		1994	if ($map) {
1810	$map = $map->customise_for ($self) if $map;	1995	$map = $map->customise_for ($self);
1811		1996	$map = $check->($map) if $check && $map;
1812	# warn "entering ", $map->path, " at ($x, $y)\n"	1997	} else {
1813	# if $map;
1814
1815	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1998	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1999	}
1816		2000
		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 $@;
		2007	}
		2008
		2009	if ($gen == $self->{_goto_generation}) {
		2010	delete $self->{_goto_generation};
1817	$self->leave_link ($map, $x, $y);	2011	$self->leave_link ($map, $x, $y);
		2012	}
1818	})->prio (1);	2013	})->prio (1);
1819	}	2014	}
1820		2015
1821	=item $player_object->enter_exit ($exit_object)	2016	=item $player_object->enter_exit ($exit_object)
1822		2017
…		…
1851	# that depends on the exit object	2046	# that depends on the exit object
1852		2047
1853	my $rmp = parse_random_map_params $exit->msg;	2048	my $rmp = parse_random_map_params $exit->msg;
1854		2049
1855	if ($exit->map) {	2050	if ($exit->map) {
1856	$rmp->{region} = $exit->map->region_name;	2051	$rmp->{region} = $exit->region->name;
1857	$rmp->{origin_map} = $exit->map->path;	2052	$rmp->{origin_map} = $exit->map->path;
1858	$rmp->{origin_x} = $exit->x;	2053	$rmp->{origin_x} = $exit->x;
1859	$rmp->{origin_y} = $exit->y;	2054	$rmp->{origin_y} = $exit->y;
1860	}	2055	}
1861		2056
1862	$rmp->{random_seed} ||= $exit->random_seed;	2057	$rmp->{random_seed} ||= $exit->random_seed;
1863		2058
1864	my $data = cf::to_json $rmp;	2059	my $data = cf::to_json $rmp;
1865	my $md5 = Digest::MD5::md5_hex $data;	2060	my $md5 = Digest::MD5::md5_hex $data;
1866	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2061	my $meta = "$RANDOMDIR/$md5.meta";
1867		2062
1868	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2063	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1869	aio_write $fh, 0, (length $data), $data, 0;	2064	aio_write $fh, 0, (length $data), $data, 0;
1870	undef $fh;	2065	undef $fh;
1871	aio_rename "$meta~", $meta;	2066	aio_rename "$meta~", $meta;
…		…
1878	sub cf::object::player::enter_exit {	2073	sub cf::object::player::enter_exit {
1879	my ($self, $exit) = @_;	2074	my ($self, $exit) = @_;
1880		2075
1881	return unless $self->type == cf::PLAYER;	2076	return unless $self->type == cf::PLAYER;
1882		2077
		2078	if ($exit->slaying eq "/!") {
		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
		2082	cf::sync_job { prepare_random_map $exit };
		2083	}
		2084
		2085	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2086	my $hp = $exit->stats->hp;
		2087	my $sp = $exit->stats->sp;
		2088
1883	$self->enter_link;	2089	$self->enter_link;
1884		2090
1885	(async {	2091	(async {
1886	$self->deactivate_recursive; # just to be sure	2092	$self->deactivate_recursive; # just to be sure
1887	unless (eval {	2093	unless (eval {
1888	prepare_random_map $exit	2094	$self->goto ($slaying, $hp, $sp);
1889	if $exit->slaying eq "/!";
1890
1891	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1893		2095
1894	1;	2096	1;
1895	}) {	2097	}) {
1896	$self->message ("Something went wrong deep within the crossfire server. "	2098	$self->message ("Something went wrong deep within the crossfire server. "
1897	. "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. "
1898	. "Please report this to the dungeon master!",	2100	. "Please report this to the dungeon master!",
1899	cf::NDI_UNIQUE | cf::NDI_RED);	2101	cf::NDI_UNIQUE | cf::NDI_RED);
1900		2102
1901	warn "ERROR in enter_exit: $@";	2103	warn "ERROR in enter_exit: $@";
1902	$self->leave_link;	2104	$self->leave_link;
1903	}	2105	}
1904	})->prio (1);	2106	})->prio (1);
…		…
1917		2119
1918	sub cf::client::send_drawinfo {	2120	sub cf::client::send_drawinfo {
1919	my ($self, $text, $flags) = @_;	2121	my ($self, $text, $flags) = @_;
1920		2122
1921	utf8::encode $text;	2123	utf8::encode $text;
1922	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1923	}	2125	}
1924		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	}
1925		2139
1926	=item $success = $client->query ($flags, "text", \&cb)	2140	=item $success = $client->query ($flags, "text", \&cb)
1927		2141
1928	Queues a query to the client, calling the given callback with	2142	Queues a query to the client, calling the given callback with
1929	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>,
…		…
1958	# get handled first	2172	# get handled first
1959	my $queue = delete $ns->{query_queue}	2173	my $queue = delete $ns->{query_queue}
1960	or return; # be conservative, not sure how that can happen, but we saw a crash here	2174	or return; # be conservative, not sure how that can happen, but we saw a crash here
1961		2175
1962	(shift @$queue)->[1]->($msg);	2176	(shift @$queue)->[1]->($msg);
		2177	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1963		2178
1964	push @{ $ns->{query_queue} }, @$queue;	2179	push @{ $ns->{query_queue} }, @$queue;
1965		2180
1966	if (@{ $ns->{query_queue} } == @$queue) {	2181	if (@{ $ns->{query_queue} } == @$queue) {
1967	if (@$queue) {	2182	if (@$queue) {
…		…
2025		2240
2026	# here we export the classes and methods available to script code	2241	# here we export the classes and methods available to script code
2027		2242
2028	=pod	2243	=pod
2029		2244
2030	The following fucntions and emthods are available within a safe environment:	2245	The following functions and methods are available within a safe environment:
2031		2246
2032	cf::object contr pay_amount pay_player map	2247	cf::object contr pay_amount pay_player map
2033	cf::object::player player	2248	cf::object::player player
2034	cf::player peaceful	2249	cf::player peaceful
2035	cf::map trigger	2250	cf::map trigger
…		…
2120	#############################################################################	2335	#############################################################################
2121		2336
2122	=head2 EXTENSION DATABASE SUPPORT	2337	=head2 EXTENSION DATABASE SUPPORT
2123		2338
2124	Crossfire maintains a very simple database for extension use. It can	2339	Crossfire maintains a very simple database for extension use. It can
2125	currently store anything that can be serialised using Storable, which	2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2126	excludes objects.	2341	convert to/from binary).
2127		2342
2128	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
2129	using it, it should be unique.	2344	using it, it should be unique.
2130		2345
2131	=over 4	2346	=over 4
2132		2347
2133	=item $hashref = cf::db_get $family
2134
2135	Return a hashref for use by the extension C<$family>, which can be
2136	modified. After modifications, you have to call C<cf::db_dirty> or
2137	C<cf::db_sync>.
2138
2139	=item $value = cf::db_get $family => $key	2348	=item $value = cf::db_get $family => $key
2140		2349
2141	Returns a single value from the database	2350	Returns a single value from the database.
2142
2143	=item cf::db_put $family => $hashref
2144
2145	Stores the given family hashref into the database. Updates are delayed, if
2146	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2147		2351
2148	=item cf::db_put $family => $key => $value	2352	=item cf::db_put $family => $key => $value
2149		2353
2150	Stores the given C<$value> in the family hash. Updates are delayed, if you	2354	Stores the given C<$value> in the family.
2151	want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_dirty
2154
2155	Marks the database as dirty, to be updated at a later time.
2156
2157	=item cf::db_sync
2158
2159	Immediately write the database to disk I<if it is dirty>.
2160		2355
2161	=cut	2356	=cut
2162		2357
2163	our $DB;	2358	our $DB;
2164		2359
2165	{	2360	sub db_init {
2166	my $path = cf::localdir . "/database.pst";	2361	unless ($DB) {
		2362	$DB = BDB::db_create $DB_ENV;
2167		2363
2168	sub db_load() {	2364	cf::sync_job {
2169	$DB = stat $path ? Storable::retrieve $path : { };	2365	eval {
2170	}	2366	$DB->set_flags (BDB::CHKSUM);
2171		2367
2172	my $pid;	2368	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2173		2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2174	sub db_save() {	2370	cf::cleanup "db_open(db): $!" if $!;
2175	waitpid $pid, 0 if $pid;	2371	};
2176	if (0 == ($pid = fork)) {	2372	cf::cleanup "db_open(db): $@" if $@;
2177	$DB->{_meta}{version} = 1;
2178	Storable::nstore $DB, "$path~";
2179	rename "$path~", $path;
2180	cf::_exit 0 if defined $pid;
2181	}	2373	};
2182	}
2183
2184	my $dirty;
2185
2186	sub db_sync() {
2187	db_save if $dirty;
2188	undef $dirty;
2189	}
2190
2191	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2192	db_sync;
2193	});	2374	}
		2375	}
2194		2376
2195	sub db_dirty() {
2196	$dirty = 1;
2197	$idle->start;
2198	}
2199
2200	sub db_get($;$) {	2377	sub db_get($$) {
2201	@_ >= 2	2378	my $key = "$_[0]/$_[1]";
2202	? $DB->{$_[0]}{$_[1]}
2203	: ($DB->{$_[0]} ||= { })
2204	}
2205		2379
		2380	cf::sync_job {
		2381	BDB::db_get $DB, undef, $key, my $data;
		2382
		2383	$! ? ()
		2384	: $data
		2385	}
		2386	}
		2387
2206	sub db_put($$;$) {	2388	sub db_put($$$) {
2207	if (@_ >= 3) {	2389	BDB::dbreq_pri 4;
2208	$DB->{$_[0]}{$_[1]} = $_[2];	2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2209	} else {	2391	}
2210	$DB->{$_[0]} = $_[1];
2211	}
2212	db_dirty;
2213	}
2214		2392
2215	cf::global->attach (	2393	=item cf::cache $id => [$paths...], $processversion => $process
2216	prio => 10000,	2394
2217	on_cleanup => sub {	2395	Generic caching function that returns the value of the resource $id,
2218	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->[$_]: $!";
2219	},	2425	}
2220	);	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 $@;
		2503	_exit 0;
		2504	}
2221	}	2505	}
2222		2506
2223	#############################################################################	2507	#############################################################################
2224	# the server's main()	2508	# the server's init and main functions
		2509
		2510	sub load_facedata($) {
		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"
		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;
		2596	}
2225		2597
2226	sub cfg_load {	2598	sub cfg_load {
2227	open my $fh, "<:utf8", cf::confdir . "/config"	2599	open my $fh, "<:utf8", "$CONFDIR/config"
2228	or return;	2600	or return;
2229		2601
2230	local $/;	2602	local $/;
2231	*CFG = YAML::Syck::Load <$fh>;	2603	*CFG = YAML::Syck::Load <$fh>;
2232		2604
…		…
2252	Event::one_event;	2624	Event::one_event;
2253	})->prio (Coro::PRIO_MAX);	2625	})->prio (Coro::PRIO_MAX);
2254	};	2626	};
2255		2627
2256	cfg_load;	2628	cfg_load;
2257	db_load;	2629	db_init;
2258	load_extensions;	2630	load_extensions;
2259		2631
2260	$TICK_WATCHER->start;	2632	$TICK_WATCHER->start;
2261	Event::loop;	2633	Event::loop;
2262	}	2634	}
…		…
2266		2638
2267	# install some emergency cleanup handlers	2639	# install some emergency cleanup handlers
2268	BEGIN {	2640	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	2641	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	2642	Event->signal (
		2643	reentrant => 0,
2271	data => WF_AUTOCANCEL,	2644	data => WF_AUTOCANCEL,
2272	signal => $signal,	2645	signal => $signal,
		2646	prio => 0,
2273	cb => sub {	2647	cb => sub {
2274	cf::cleanup "SIG$signal";	2648	cf::cleanup "SIG$signal";
2275	},	2649	},
2276	);	2650	);
2277	}	2651	}
2278	}	2652	}
…		…
2299	my $map = $cf::MAP{$path} or next;	2673	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	2674	$map->valid or next;
2301	$map->save;	2675	$map->save;
2302	}	2676	}
2303	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 $DB_ENV;
		2681	warn "end emergency database checkpoint\n";
2304	};	2682	};
2305		2683
2306	warn "leave emergency perl save\n";	2684	warn "leave emergency perl save\n";
2307	}	2685	}
2308		2686
		2687	sub post_cleanup {
		2688	my ($make_core) = @_;
		2689
		2690	warn Carp::longmess "post_cleanup backtrace"
		2691	if $make_core;
		2692	}
		2693
2309	sub reload() {	2694	sub do_reload_perl() {
2310	# can/must only be called in main	2695	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	2696	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine";	2697	warn "can only reload from main coroutine";
2313	return;	2698	return;
2314	}	2699	}
2315		2700
2316	warn "reloading...";	2701	warn "reloading...";
2317		2702
2318	warn "cancelling server ticker";	2703	warn "entering sync_job";
2319	$TICK_WATCHER->cancel;
2320		2704
		2705	cf::sync_job {
		2706	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2707	cf::emergency_save;
		2708	cf::write_runtime; # external watchdog should not bark
2322		2709
2323	eval {	2710	warn "syncing database to disk";
		2711	BDB::db_env_txn_checkpoint $DB_ENV;
		2712
2324	# 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
2325
2326	warn "syncing database to disk";
2327	cf::db_sync;
2328		2714
2329	warn "cancelling all WF_AUTOCANCEL watchers";	2715	warn "cancelling all WF_AUTOCANCEL watchers";
2330	for (Event::all_watchers) {	2716	for (Event::all_watchers) {
2331	$_->cancel if $_->data & WF_AUTOCANCEL;	2717	$_->cancel if $_->data & WF_AUTOCANCEL;
2332	}	2718	}
2333		2719
2334	warn "flushing outstanding aio requests";	2720	warn "flushing outstanding aio requests";
2335	for (;;) {	2721	for (;;) {
		2722	BDB::flush;
2336	IO::AIO::flush;	2723	IO::AIO::flush;
2337	Coro::cede;	2724	Coro::cede;
2338	last unless IO::AIO::nreqs;	2725	last unless IO::AIO::nreqs || BDB::nreqs;
2339	warn "iterate...";	2726	warn "iterate...";
2340	}	2727	}
		2728
		2729	++$RELOAD;
2341		2730
2342	warn "cancelling all extension coros";	2731	warn "cancelling all extension coros";
2343	$_->cancel for values %EXT_CORO;	2732	$_->cancel for values %EXT_CORO;
2344	%EXT_CORO = ();	2733	%EXT_CORO = ();
2345		2734
…		…
2385	Symbol::delete_package "safe::$_"	2774	Symbol::delete_package "safe::$_"
2386	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);
2387		2776
2388	warn "unloading cf.pm \"a bit\"";	2777	warn "unloading cf.pm \"a bit\"";
2389	delete $INC{"cf.pm"};	2778	delete $INC{"cf.pm"};
		2779	delete $INC{"cf/pod.pm"};
2390		2780
2391	# don't, removes xs symbols, too,	2781	# don't, removes xs symbols, too,
2392	# and global variables created in xs	2782	# and global variables created in xs
2393	#Symbol::delete_package __PACKAGE__;	2783	#Symbol::delete_package __PACKAGE__;
2394		2784
…		…
2398	require cf;	2788	require cf;
2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2789	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2400		2790
2401	warn "loading config and database again";	2791	warn "loading config and database again";
2402	cf::cfg_load;	2792	cf::cfg_load;
2403	cf::db_load;
2404		2793
2405	warn "loading extensions";	2794	warn "loading extensions";
2406	cf::load_extensions;	2795	cf::load_extensions;
2407		2796
2408	warn "reattaching attachments to objects/players";	2797	warn "reattaching attachments to objects/players";
2409	_global_reattach;	2798	_global_reattach; # objects, sockets
2410	warn "reattaching attachments to maps";	2799	warn "reattaching attachments to maps";
2411	reattach $_ for values %MAP;	2800	reattach $_ for values %MAP;
		2801	warn "reattaching attachments to players";
		2802	reattach $_ for values %PLAYER;
2412		2803
2413	warn "restarting server ticker";	2804	warn "leaving sync_job";
2414		2805
2415	$TICK_WATCHER->start;	2806	1
2416	};	2807	} or do {
2417
2418	if ($@) {
2419	warn $@;	2808	warn $@;
2420	warn "error while reloading, exiting.";	2809	warn "error while reloading, exiting.";
2421	exit 1;	2810	exit 1;
2422	}	2811	};
2423		2812
2424	warn "reloaded";	2813	warn "reloaded";
2425	};	2814	};
2426		2815
2427	our $RELOAD_WATCHER; # used only during reload	2816	our $RELOAD_WATCHER; # used only during reload
2428		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 $RELOAD_WATCHER;
		2829	},
		2830	);
		2831	}
		2832
2429	register_command "reload" => sub {	2833	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	2834	my ($who, $arg) = @_;
2431		2835
2432	if ($who->flag (FLAG_WIZ)) {	2836	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("reloading server.");	2837	$who->message ("reloading server.");
2434		2838	async { reload_perl };
2435	# doing reload synchronously and two reloads happen back-to-back,
2436	# coro crashes during coro_state_free->destroy here.
2437
2438	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2439	reload;
2440	undef $RELOAD_WATCHER;
2441	});
2442	}	2839	}
2443	};	2840	};
2444		2841
2445	unshift @INC, $LIBDIR;	2842	unshift @INC, $LIBDIR;
2446		2843
2447	my $bug_warning = 0;	2844	my $bug_warning = 0;
2448		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;
2449	$TICK_WATCHER = Event->timer (	2869	$TICK_WATCHER = Event->timer (
2450	reentrant => 0,	2870	reentrant => 0,
2451	parked => 1,	2871	parked => 1,
2452	prio => 0,	2872	prio => 0,
2453	at => $NEXT_TICK || $TICK,	2873	at => $NEXT_TICK || $TICK,
…		…
2457	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2877	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2458	unless ++$bug_warning > 10;	2878	unless ++$bug_warning > 10;
2459	return;	2879	return;
2460	}	2880	}
2461		2881
2462	$NOW = Event::time;	2882	$NOW = $tick_start = Event::time;
2463		2883
2464	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
2465	$RUNTIME += $TICK;	2909	$RUNTIME += $TICK;
2466	$NEXT_TICK += $TICK;	2910	$NEXT_TICK += $TICK;
2467		2911
2468	$WAIT_FOR_TICK->broadcast;	2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2469	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2913	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2914	Coro::async_pool {
		2915	write_runtime
		2916	or warn "ERROR: unable to write runtime file: $!";
		2917	};
		2918	}
		2919
		2920	# my $AFTER = Event::time;
		2921	# warn $AFTER - $NOW;#d#
		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;
2470		2931
2471	# 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
2472	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2933	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2473		2934
2474	$TICK_WATCHER->at ($NEXT_TICK);	2935	$TICK_WATCHER->at ($NEXT_TICK);
2475	$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
2476	},	2944	},
2477	);	2945	);
2478		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;
2479	IO::AIO::max_poll_time $TICK * 0.2;	3001	IO::AIO::max_poll_time $TICK * 0.1;
2480
2481	$AIO_POLL_WATCHER = Event->io (	3002	$AIO_POLL_WATCHER = Event->io (
2482	fd => IO::AIO::poll_fileno,	3003	reentrant => 0,
2483	poll => 'r',
2484	prio => 5,
2485	data => WF_AUTOCANCEL,
2486	cb => \&IO::AIO::poll_cb,
2487	);
2488
2489	$WRITE_RUNTIME_WATCHER = Event->timer (
2490	data => WF_AUTOCANCEL,	3004	data => WF_AUTOCANCEL,
2491	after => 1,	3005	fd => IO::AIO::poll_fileno,
2492	interval => 10,	3006	poll => 'r',
2493	prio => 6, # keep it lowest so it acts like a watchdog	3007	prio => 6,
2494	cb => Coro::unblock_sub {	3008	cb => \&IO::AIO::poll_cb,
2495	write_runtime	3009	);
2496	or warn "ERROR: unable to write runtime file: $!";	3010	}
		3011
		3012	my $_log_backtrace;
		3013
		3014	sub _log_backtrace {
		3015	my ($msg, @addr) = @_;
		3016
		3017	$msg =~ s/\n//;
		3018
		3019	# limit the # of concurrent backtraces
		3020	if ($_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";
2497	},	3047	}
2498	);	3048	}
		3049
		3050	# load additional modules
		3051	use cf::pod;
2499		3052
2500	END { cf::emergency_save }	3053	END { cf::emergency_save }
2501		3054
2502	1	3055	1
2503		3056

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