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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC vs.
Revision 1.272 by root, Sun Jun 3 15:32:50 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 3.3 ();	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;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	76	our $NEXT_TICK;
50	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;
51		82
52	our %CFG;	83	our %CFG;
53		84
54	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	86	our $RUNTIME;
56		87
57	our %PLAYER; # all users	88	our %PLAYER; # all users
58	our %MAP; # all maps	89	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		91
65	# 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 ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		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 $tick_start; # for load detecting purposes
		98
68	binmode STDOUT;	99	binmode STDOUT;
69	binmode STDERR;	100	binmode STDERR;
70		101
71	# read virtual server time, if available	102	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
76	}	107	}
77		108
78	mkdir cf::localdir;	109	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		111
84	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
85		115
86	#############################################################################	116	#############################################################################
87		117
88	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
89		119
…		…
96	=item $cf::RUNTIME	126	=item $cf::RUNTIME
97		127
98	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
99	every server tick.	129	every server tick.
100		130
101	=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
102		134
103	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
104	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.
105		139
106	=item $cf::NOW	140	=item $cf::NOW
107		141
108	The time of the last (current) server tick.	142	The time of the last (current) server tick.
109		143
110	=item $cf::TICK	144	=item $cf::TICK
111		145
112	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.
113		157
114	=item %cf::CFG	158	=item %cf::CFG
115		159
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	161	from wherever your confdir points to.
118		162
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		164
121	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
122	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
123	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.
124	window of cpu time available, or simply to synchronise to the server tick.
125		168
126	=back	169	=back
127		170
128	=cut	171	=cut
129		172
130	BEGIN {	173	BEGIN {
131	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	175	my $msg = join "", @_;
133	utf8::encode $msg;
134		176
135	$msg .= "\n"	177	$msg .= "\n"
136	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
137		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
138	LOG llevError, $msg;	183	LOG llevError, $msg;
139	};	184	};
140	}	185	}
141		186
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	234	$d
190	} || "[unable to dump $_[0]: '$@']";	235	} || "[unable to dump $_[0]: '$@']";
191	}	236	}
192		237
193	use JSON::Syck (); # TODO# replace by JSON::PC once working	238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194		239
195	=item $ref = cf::from_json $json	240	=item $ref = cf::from_json $json
196		241
197	Converts a JSON string into the corresponding perl data structure.	242	Converts a JSON string into the corresponding perl data structure.
198		243
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	244	=item $json = cf::to_json $ref
207		245
208	Converts a perl data structure into its JSON representation.	246	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		247
217	=item cf::lock_wait $string	248	=item cf::lock_wait $string
218		249
219	Wait until the given lock is available. See cf::lock_acquire.	250	Wait until the given lock is available. See cf::lock_acquire.
220		251
…		…
226	returned.	257	returned.
227		258
228	Lock names should begin with a unique identifier (for example, cf::map::find	259	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	260	uses map_find and cf::map::load uses map_load).
230		261
		262	=item $locked = cf::lock_active $string
		263
		264	Return true if the lock is currently active, i.e. somebody has locked it.
		265
231	=cut	266	=cut
232		267
233	our %LOCK;	268	our %LOCK;
234		269
235	sub lock_wait($) {	270	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	289	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	290	$_->ready for @{ delete $LOCK{$key} };
256	}	291	}
257	}	292	}
258		293
		294	sub lock_active($) {
		295	my ($key) = @_;
		296
		297	! ! $LOCK{$key}
		298	}
		299
259	sub freeze_mainloop {	300	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	301	return unless $TICK_WATCHER->is_active;
261		302
262	my $guard = Coro::guard { $TICK_WATCHER->start };	303	my $guard = Coro::guard {
		304	$TICK_WATCHER->start;
		305	};
263	$TICK_WATCHER->stop;	306	$TICK_WATCHER->stop;
264	$guard	307	$guard
265	}	308	}
266		309
267	=item cf::async { BLOCK }	310	=item cf::async { BLOCK }
…		…
289		332
290	sub sync_job(&) {	333	sub sync_job(&) {
291	my ($job) = @_;	334	my ($job) = @_;
292		335
293	if ($Coro::current == $Coro::main) {	336	if ($Coro::current == $Coro::main) {
		337	my $time = Event::time;
		338
294	# this is the main coro, too bad, we have to block	339	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	340	# till the operation succeeds, freezing the server :/
296		341
297	# TODO: use suspend/resume instead	342	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	343	# (but this is cancel-safe)
…		…
309		354
310	while ($busy) {	355	while ($busy) {
311	Coro::cede or Event::one_event;	356	Coro::cede or Event::one_event;
312	}	357	}
313		358
		359	$time = Event::time - $time;
		360
		361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		363
		364	$tick_start += $time; # do not account sync jobs to server load
		365
314	wantarray ? @res : $res[0]	366	wantarray ? @res : $res[0]
315	} else {	367	} else {
316	# we are in another coroutine, how wonderful, everything just works	368	# we are in another coroutine, how wonderful, everything just works
317		369
318	$job->()	370	$job->()
…		…
338		390
339	$coro	391	$coro
340	}	392	}
341		393
342	sub write_runtime {	394	sub write_runtime {
343	return unless $TICK_WATCHER->is_active;	395	my $runtime = "$LOCALDIR/runtime";
344		396
345	my $runtime = cf::localdir . "/runtime";	397	# first touch the runtime file to show we are still running:
		398	# the fsync below can take a very very long time.
		399
		400	IO::AIO::aio_utime $runtime, undef, undef;
		401
		402	my $guard = cf::lock_acquire "write_runtime";
346		403
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
348	or return;	405	or return;
349		406
		407	my $value = $cf::RUNTIME + 90 + 10;
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	408	# 10 is the runtime save interval, for a monotonic clock
		409	# 60 allows for the watchdog to kill the server.
		410
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	411	(aio_write $fh, 0, (length $value), $value, 0) <= 0
352	and return;	412	and return;
353		413
		414	# always fsync - this file is important
354	aio_fsync $fh	415	aio_fsync $fh
355	and return;	416	and return;
356		417
		418	# touch it again to show we are up-to-date
		419	aio_utime $fh, undef, undef;
		420
357	close $fh	421	close $fh
358	or return;	422	or return;
359		423
360	aio_rename "$runtime~", $runtime	424	aio_rename "$runtime~", $runtime
361	and return;	425	and return;
362		426
		427	warn "runtime file written.\n";#d#
		428
363	1	429	1
		430	}
		431
		432	=item cf::datalog type => key => value, ...
		433
		434	Log a datalog packet of the given type with the given key-value pairs.
		435
		436	=cut
		437
		438	sub datalog($@) {
		439	my ($type, %kv) = @_;
		440	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	441	}
365		442
366	=back	443	=back
367		444
368	=cut	445	=cut
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	576	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	577	our @CB_MAP = ();
501		578
502	my %attachment;	579	my %attachment;
503		580
		581	sub cf::attachable::thawer_merge {
		582	# simply override everything except _meta
		583	local $_[0]{_meta};
		584	%{$_[0]} = %{$_[1]};
		585	}
		586
504	sub _attach_cb($$$$) {	587	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	588	my ($registry, $event, $prio, $cb) = @_;
506		589
507	use sort 'stable';	590	use sort 'stable';
508		591
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	625	$registry = $CB_TYPE[$object_type] ||= [];
543		626
544	} elsif ($type eq "subtype") {	627	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	628	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	629	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	630	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		631
549	} elsif ($type eq "package") {	632	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	633	my $pkg = shift @arg;
551		634
552	while (my ($name, $id) = each %cb_id) {	635	while (my ($name, $id) = each %cb_id) {
…		…
593	if (ref $_[0]) {	676	if (ref $_[0]) {
594	_object_attach @_;	677	_object_attach @_;
595	} else {	678	} else {
596	_attach shift->_attach_registry, @_;	679	_attach shift->_attach_registry, @_;
597	}	680	}
		681	_recalc_want;
598	};	682	};
599		683
600	# all those should be optimised	684	# all those should be optimised
601	sub cf::attachable::detach {	685	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	686	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	689	delete $obj->{_attachment}{$name};
606	reattach ($obj);	690	reattach ($obj);
607	} else {	691	} else {
608	Carp::croak "cannot, currently, detach class attachments";	692	Carp::croak "cannot, currently, detach class attachments";
609	}	693	}
		694	_recalc_want;
610	};	695	};
611		696
612	sub cf::attachable::attached {	697	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	698	my ($obj, $name) = @_;
614		699
…		…
679	# object support	764	# object support
680		765
681	sub reattach {	766	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	767	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	768	my ($obj) = @_;
		769
		770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		771
685	my $registry = $obj->registry;	772	my $registry = $obj->registry;
686		773
687	@$registry = ();	774	@$registry = ();
688		775
…		…
735	$filename, length $$rdata, scalar @$objs;	822	$filename, length $$rdata, scalar @$objs;
736		823
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	825	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	827	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	828	close $fh;
742		829
743	if (@$objs) {	830	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	832	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	833	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	834	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	835	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	836	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	837	aio_rename "$filename.pst~", "$filename.pst";
751	}	838	}
752	} else {	839	} else {
753	aio_unlink "$filename.pst";	840	aio_unlink "$filename.pst";
…		…
922	Returns the given player object, loading it if necessary (might block).	1009	Returns the given player object, loading it if necessary (might block).
923		1010
924	=cut	1011	=cut
925		1012
926	sub playerdir($) {	1013	sub playerdir($) {
927	cf::localdir	1014	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1015	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1016	}
933		1017
934	sub path($) {	1018	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1019	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1020
937	(playerdir $login) . "/$login.pl"	1021	(playerdir $login) . "/playerdata"
938	}	1022	}
939		1023
940	sub find_active($) {	1024	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1025	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1026	and $cf::PLAYER{$_[0]}->active
…		…
945		1029
946	sub exists($) {	1030	sub exists($) {
947	my ($login) = @_;	1031	my ($login) = @_;
948		1032
949	$cf::PLAYER{$login}	1033	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1034	or cf::sync_job { !aio_stat path $login }
951	}	1035	}
952		1036
953	sub find($) {	1037	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1038	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1039	my $login = $_[0];
956		1040
957	my $guard = cf::lock_acquire "user_find:$login";	1041	my $guard = cf::lock_acquire "user_find:$login";
958		1042
959	$cf::PLAYER{$_[0]} || do {	1043	$cf::PLAYER{$_[0]} || do {
		1044	# rename old playerfiles to new ones
		1045	#TODO: remove when no longer required
		1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1049	aio_unlink +(playerdir $login) . "/$login.pl";
		1050
960	my $pl = load_pl path $login	1051	my $pl = load_pl path $login
961	or return;	1052	or return;
962	$cf::PLAYER{$login} = $pl	1053	$cf::PLAYER{$login} = $pl
963	}	1054	}
964	}	1055	}
…		…
1001		1092
1002	=cut	1093	=cut
1003		1094
1004	sub quit_character {	1095	sub quit_character {
1005	my ($pl) = @_;	1096	my ($pl) = @_;
		1097
		1098	my $name = $pl->ob->name;
1006		1099
1007	$pl->{deny_save} = 1;	1100	$pl->{deny_save} = 1;
1008	$pl->password ("*"); # this should lock out the player until we nuked the dir	1101	$pl->password ("*"); # this should lock out the player until we nuked the dir
1009		1102
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1108	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1109	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1110	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1111	delete $cf::PLAYER{$pl->ob->name};
1019	$pl->destroy;	1112	$pl->destroy;
		1113
		1114	my $prefix = qr<^~\Q$name\E/>;
		1115
		1116	# nuke player maps
		1117	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1118
1020	IO::AIO::aio_rmtree $temp;	1119	IO::AIO::aio_rmtree $temp;
		1120	}
		1121
		1122	=item $pl->kick
		1123
		1124	Kicks a player out of the game. This destroys the connection.
		1125
		1126	=cut
		1127
		1128	sub kick {
		1129	my ($pl, $kicker) = @_;
		1130
		1131	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1132	$pl->killer ("kicked");
		1133	$pl->ns->destroy;
1021	}	1134	}
1022		1135
1023	=item cf::player::list_logins	1136	=item cf::player::list_logins
1024		1137
1025	Returns am arrayref of all valid playernames in the system, can take a	1138	Returns am arrayref of all valid playernames in the system, can take a
1026	while and may block, so not sync_job-capable, ever.	1139	while and may block, so not sync_job-capable, ever.
1027		1140
1028	=cut	1141	=cut
1029		1142
1030	sub list_logins {	1143	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1144	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1145	or return [];
1033		1146
1034	my @logins;	1147	my @logins;
1035		1148
1036	for my $login (@$dirs) {	1149	for my $login (@$dirs) {
…		…
1053	=cut	1166	=cut
1054		1167
1055	sub maps($) {	1168	sub maps($) {
1056	my ($pl) = @_;	1169	my ($pl) = @_;
1057		1170
		1171	$pl = ref $pl ? $pl->ob->name : $pl;
		1172
1058	my $files = aio_readdir playerdir $pl	1173	my $files = aio_readdir playerdir $pl
1059	or return;	1174	or return;
1060		1175
1061	my @paths;	1176	my @paths;
1062		1177
1063	for (@$files) {	1178	for (@$files) {
1064	utf8::decode $_;	1179	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1180	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1181	next unless /^$PATH_SEP/o;
1067		1182
1068	s/\.map$//;	1183	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1184	}
1071		1185
1072	\@paths	1186	\@paths
1073	}	1187	}
1074		1188
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1189	=item $player->ext_reply ($msgid, %msg)
1076		1190
1077	Sends an ext reply to the player.	1191	Sends an ext reply to the player.
1078		1192
1079	=cut	1193	=cut
1080		1194
1081	sub ext_reply($$$%) {	1195	sub ext_reply($$%) {
1082	my ($self, $id, %msg) = @_;	1196	my ($self, $id, %msg) = @_;
1083		1197
1084	$msg{msgid} = $id;	1198	$msg{msgid} = $id;
1085		1199
1086	$self->send ("ext " . cf::to_json \%msg);	1200	$self->send ("ext " . cf::to_json \%msg);
1087	}	1201	}
1088		1202
1089	package cf;	1203	=item $player->ext_event ($type, %msg)
		1204
		1205	Sends an ext event to the client.
		1206
		1207	=cut
		1208
		1209	sub ext_event($$%) {
		1210	my ($self, $type, %msg) = @_;
		1211
		1212	$self->ns->ext_event ($type, %msg);
		1213	}
		1214
		1215	=head3 cf::region
		1216
		1217	=over 4
		1218
		1219	=cut
		1220
		1221	package cf::region;
		1222
		1223	=item cf::region::find_by_path $path
		1224
		1225	Tries to decuce the probable region for a map knowing only its path.
		1226
		1227	=cut
		1228
		1229	sub find_by_path($) {
		1230	my ($path) = @_;
		1231
		1232	my ($match, $specificity);
		1233
		1234	for my $region (list) {
		1235	if ($region->match && $path =~ $region->match) {
		1236	($match, $specificity) = ($region, $region->specificity)
		1237	if $region->specificity > $specificity;
		1238	}
		1239	}
		1240
		1241	$match
		1242	}
1090		1243
1091	=back	1244	=back
1092
1093		1245
1094	=head3 cf::map	1246	=head3 cf::map
1095		1247
1096	=over 4	1248	=over 4
1097		1249
…		…
1101		1253
1102	use Fcntl;	1254	use Fcntl;
1103	use Coro::AIO;	1255	use Coro::AIO;
1104		1256
1105	use overload	1257	use overload
1106	'""' => \&as_string;	1258	'""' => \&as_string,
		1259	fallback => 1;
1107		1260
1108	our $MAX_RESET = 3600;	1261	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1262	our $DEFAULT_RESET = 3000;
1110		1263
1111	sub generate_random_map {	1264	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1265	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1266	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1267	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1277	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1278	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1279	)
1128	}	1280	}
1129		1281
		1282	=item cf::map->register ($regex, $prio)
		1283
		1284	Register a handler for the map path matching the given regex at the
		1285	givne priority (higher is better, built-in handlers have priority 0, the
		1286	default).
		1287
		1288	=cut
		1289
1130	sub register {	1290	sub register {
1131	my (undef, $regex) = @_;	1291	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1292	my $pkg = caller;
1133		1293
1134	no strict;	1294	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1295	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1296
1137	$EXT_MAP{$pkg} = qr<$regex>;	1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1298	}
1139		1299
1140	# also paths starting with '/'	1300	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1302
		1303	sub thawer_merge {
		1304	my ($self, $merge) = @_;
		1305
		1306	# we have to keep some variables in memory intact
		1307	local $self->{path};
		1308	local $self->{load_path};
		1309	local $self->{deny_save};
		1310	local $self->{deny_reset};
		1311
		1312	$self->SUPER::thawer_merge ($merge);
		1313	}
1142		1314
1143	sub normalise {	1315	sub normalise {
1144	my ($path, $base) = @_;	1316	my ($path, $base) = @_;
		1317
		1318	$path = "$path"; # make sure its a string
		1319
		1320	$path =~ s/\.map$//;
1145		1321
1146	# map plan:	1322	# map plan:
1147	#	1323	#
1148	# /! non-realised random map exit (special hack!)	1324	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1325	# {... are special paths that are not being touched
…		…
1177		1353
1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1354	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179		1355
1180	$path = normalise $path, $base;	1356	$path = normalise $path, $base;
1181		1357
1182	for my $pkg (keys %EXT_MAP) {	1358	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1359	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1360	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1361	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1362	$self->init; # pass $1 etc.
1187	return $self;	1363	return $self;
1188	}	1364	}
1189	}	1365	}
1190		1366
1191	Carp::carp "unable to resolve path '$path'.";	1367	Carp::carp "unable to resolve path '$path' (base '$base').";
1192	()	1368	()
1193	}	1369	}
1194		1370
1195	sub init {	1371	sub init {
1196	my ($self) = @_;	1372	my ($self) = @_;
…		…
1211		1387
1212	# the original (read-only) location	1388	# the original (read-only) location
1213	sub load_path {	1389	sub load_path {
1214	my ($self) = @_;	1390	my ($self) = @_;
1215		1391
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1392	"$MAPDIR/$self->{path}.map"
1217	}	1393	}
1218		1394
1219	# the temporary/swap location	1395	# the temporary/swap location
1220	sub save_path {	1396	sub save_path {
1221	my ($self) = @_;	1397	my ($self) = @_;
1222		1398
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1400	"$TMPDIR/$path.map"
1225	}	1401	}
1226		1402
1227	# the unique path, undef == no special unique path	1403	# the unique path, undef == no special unique path
1228	sub uniq_path {	1404	sub uniq_path {
1229	my ($self) = @_;	1405	my ($self) = @_;
1230		1406
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1408	"$UNIQUEDIR/$path"
1233	}	1409	}
1234		1410
1235	# and all this just because we cannot iterate over	1411	# and all this just because we cannot iterate over
1236	# all maps in C++...	1412	# all maps in C++...
1237	sub change_all_map_light {	1413	sub change_all_map_light {
…		…
1243		1419
1244	sub unlink_save {	1420	sub unlink_save {
1245	my ($self) = @_;	1421	my ($self) = @_;
1246		1422
1247	utf8::encode (my $save = $self->save_path);	1423	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1425	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1426	}
1251		1427
1252	sub load_header_from($) {	1428	sub load_header_from($) {
1253	my ($self, $path) = @_;	1429	my ($self, $path) = @_;
1254		1430
1255	utf8::encode $path;	1431	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1432	#aio_open $path, O_RDONLY, 0
1257	or return;	1433	# or return;
1258		1434
1259	$self->_load_header ($path)	1435	$self->_load_header ($path)
1260	or return;	1436	or return;
1261		1437
1262	$self->{load_path} = $path;	1438	$self->{load_path} = $path;
1263		1439
1264	1	1440	1
1265	}	1441	}
1266		1442
1267	sub load_orig {	1443	sub load_header_orig {
1268	my ($self) = @_;	1444	my ($self) = @_;
1269		1445
1270	$self->load_header_from ($self->load_path)	1446	$self->load_header_from ($self->load_path)
1271	}	1447	}
1272		1448
1273	sub load_temp {	1449	sub load_header_temp {
1274	my ($self) = @_;	1450	my ($self) = @_;
1275		1451
1276	$self->load_header_from ($self->save_path)	1452	$self->load_header_from ($self->save_path)
		1453	}
		1454
		1455	sub prepare_temp {
		1456	my ($self) = @_;
		1457
		1458	$self->last_access ((delete $self->{last_access})
		1459	|| $cf::RUNTIME); #d#
		1460	# safety
		1461	$self->{instantiate_time} = $cf::RUNTIME
		1462	if $self->{instantiate_time} > $cf::RUNTIME;
		1463	}
		1464
		1465	sub prepare_orig {
		1466	my ($self) = @_;
		1467
		1468	$self->{load_original} = 1;
		1469	$self->{instantiate_time} = $cf::RUNTIME;
		1470	$self->last_access ($cf::RUNTIME);
		1471	$self->instantiate;
1277	}	1472	}
1278		1473
1279	sub load_header {	1474	sub load_header {
1280	my ($self) = @_;	1475	my ($self) = @_;
1281		1476
1282	if ($self->load_temp) {	1477	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1478	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1479	} else {
1289	$self->load_orig	1480	$self->load_header_orig
1290	or return;	1481	or return;
1291		1482	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	1483	}
		1484
		1485	$self->default_region (cf::region::find_by_path $self->{path})
		1486	unless $self->default_region;
1297		1487
1298	1	1488	1
1299	}	1489	}
1300		1490
1301	sub find;	1491	sub find;
…		…
1314	$map->{last_save} = $cf::RUNTIME;	1504	$map->{last_save} = $cf::RUNTIME;
1315		1505
1316	$map->load_header	1506	$map->load_header
1317	or return;	1507	or return;
1318		1508
1319	if ($map->should_reset) {	1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1510	# doing this can freeze the server in a sync job, obviously
		1511	#$cf::WAIT_FOR_TICK->wait;
1320	$map->reset;	1512	$map->reset;
1321	undef $guard;	1513	undef $guard;
1322	$map = find $path	1514	return find $path;
1323	or return;
1324	}	1515	}
1325		1516
1326	$cf::MAP{$path} = $map	1517	$cf::MAP{$path} = $map
1327	}	1518	}
1328	}	1519	}
		1520
		1521	sub pre_load { }
		1522	sub post_load { }
1329		1523
1330	sub load {	1524	sub load {
1331	my ($self) = @_;	1525	my ($self) = @_;
1332		1526
		1527	local $self->{deny_reset} = 1; # loading can take a long time
		1528
1333	my $path = $self->{path};	1529	my $path = $self->{path};
		1530
		1531	{
1334	my $guard = cf::lock_acquire "map_load:$path";	1532	my $guard = cf::lock_acquire "map_load:$path";
1335		1533
1336	return if $self->in_memory != cf::MAP_SWAPPED;	1534	return if $self->in_memory != cf::MAP_SWAPPED;
1337		1535
1338	$self->in_memory (cf::MAP_LOADING);	1536	$self->in_memory (cf::MAP_LOADING);
1339		1537
1340	$self->alloc;	1538	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)
1342	or return;
1343		1539
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1540	$self->pre_load;
1345	if delete $self->{load_original};
1346
1347	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {
1350	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);
1352	}
1353	}
1354
1355	Coro::cede;
1356
1357	# now do the right thing for maps
1358	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;	1541	Coro::cede;
1365	$self->set_darkness_map;	1542
		1543	$self->_load_objects ($self->{load_path}, 1)
		1544	or return;
		1545
		1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1547	if delete $self->{load_original};
		1548
		1549	if (my $uniq = $self->uniq_path) {
		1550	utf8::encode $uniq;
		1551	if (aio_open $uniq, O_RDONLY, 0) {
		1552	$self->clear_unique_items;
		1553	$self->_load_objects ($uniq, 0);
		1554	}
		1555	}
		1556
		1557	Coro::cede;
		1558	# now do the right thing for maps
		1559	$self->link_multipart_objects;
1366	$self->difficulty ($self->estimate_difficulty)	1560	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	1561	unless $self->difficulty;
1368	Coro::cede;	1562	Coro::cede;
		1563
		1564	unless ($self->{deny_activate}) {
		1565	$self->decay_objects;
		1566	$self->fix_auto_apply;
		1567	$self->update_buttons;
		1568	Coro::cede;
		1569	$self->set_darkness_map;
		1570	Coro::cede;
1369	$self->activate;	1571	$self->activate;
1370	}	1572	}
1371		1573
1372	$self->in_memory (cf::MAP_IN_MEMORY);	1574	$self->in_memory (cf::MAP_IN_MEMORY);
		1575	}
		1576
		1577	$self->post_load;
1373	}	1578	}
1374		1579
1375	sub customise_for {	1580	sub customise_for {
1376	my ($self, $ob) = @_;	1581	my ($self, $ob) = @_;
1377		1582
…		…
1416		1621
1417	cf::sync_job { $map->load };	1622	cf::sync_job { $map->load };
1418	}	1623	}
1419		1624
1420	our %MAP_PREFETCH;	1625	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	1626	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		1627
1434	sub find_async {	1628	sub find_async {
1435	my ($path, $origin) = @_;	1629	my ($path, $origin) = @_;
1436		1630
1437	$path = normalise $path, $origin && $origin->{path};	1631	$path = normalise $path, $origin && $origin->{path};
1438		1632
1439	if (my $map = $cf::MAP{$path}) {	1633	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1441	}	1635	}
1442		1636
1443	$MAP_PREFETCH{$path} = 0;	1637	undef $MAP_PREFETCH{$path};
		1638	$MAP_PREFETCHER ||= cf::async {
		1639	while (%MAP_PREFETCH) {
		1640	for my $path (keys %MAP_PREFETCH) {
		1641	my $map = find $path
		1642	or next;
		1643	$map->load;
		1644
		1645	delete $MAP_PREFETCH{$path};
		1646	}
		1647	}
		1648	undef $MAP_PREFETCHER;
		1649	};
1444	$MAP_PREFETCHER->ready;	1650	$MAP_PREFETCHER->prio (6);
1445		1651
1446	()	1652	()
1447	}	1653	}
1448		1654
1449	sub save {	1655	sub save {
…		…
1494		1700
1495	sub reset_at {	1701	sub reset_at {
1496	my ($self) = @_;	1702	my ($self) = @_;
1497		1703
1498	# TODO: safety, remove and allow resettable per-player maps	1704	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");	1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1500	return 1e99 if $self->{deny_reset};	1706	return 1e99 if $self->{deny_reset};
1501		1707
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		1710
…		…
1509	my ($self) = @_;	1715	my ($self) = @_;
1510		1716
1511	$self->reset_at <= $cf::RUNTIME	1717	$self->reset_at <= $cf::RUNTIME
1512	}	1718	}
1513		1719
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	1720	sub reset {
1529	my ($self) = @_;	1721	my ($self) = @_;
1530		1722
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	1723	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		1724
1533	return if $self->players;	1725	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#	1726	return if $self->isa ("ext::map_per_player");#d#
1535		1727
1536	warn "resetting map ", $self->path;#d#	1728	warn "resetting map ", $self->path;#d#
1537		1729
		1730	$self->in_memory (cf::MAP_SWAPPED);
		1731
		1732	# need to save uniques path
		1733	unless ($self->{deny_save}) {
		1734	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1735
		1736	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1737	if $uniq;
		1738	}
		1739
1538	delete $cf::MAP{$self->path};	1740	delete $cf::MAP{$self->path};
1539		1741
1540	$self->in_memory (cf::MAP_SWAPPED);
1541	$self->clear;	1742	$self->clear;
1542		1743
1543	$_->clear_links_to ($self) for values %cf::MAP;	1744	$_->clear_links_to ($self) for values %cf::MAP;
1544		1745
1545	$self->unlink_save;	1746	$self->unlink_save;
…		…
1549	my $nuke_counter = "aaaa";	1750	my $nuke_counter = "aaaa";
1550		1751
1551	sub nuke {	1752	sub nuke {
1552	my ($self) = @_;	1753	my ($self) = @_;
1553		1754
		1755	delete $cf::MAP{$self->path};
		1756
		1757	$self->unlink_save;
		1758
		1759	bless $self, "cf::map";
		1760	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	1761	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	1762	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1764
		1765	$cf::MAP{$self->path} = $self;
		1766
1557	$self->reset; # polite request, might not happen	1767	$self->reset; # polite request, might not happen
1558	}	1768	}
1559		1769
1560	=item cf::map::unique_maps	1770	=item cf::map::unique_maps
1561		1771
…		…
1563	instantiated unique items. May block.	1773	instantiated unique items. May block.
1564		1774
1565	=cut	1775	=cut
1566		1776
1567	sub unique_maps() {	1777	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1778	my $files = aio_readdir $UNIQUEDIR
1569	or return;	1779	or return;
1570		1780
1571	my @paths;	1781	my @paths;
1572		1782
1573	for (@$files) {	1783	for (@$files) {
1574	utf8::decode $_;	1784	utf8::decode $_;
1575	next if /\.pst$/;	1785	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;	1786	next unless /^$PATH_SEP/o;
1577		1787
1578	s/\.map$//;	1788	push @paths, cf::map::normalise $_;
1579	push @paths, $_;
1580	}	1789	}
1581		1790
1582	\@paths	1791	\@paths
1583	}	1792	}
1584		1793
…		…
1678	=cut	1887	=cut
1679		1888
1680	sub link_map {	1889	sub link_map {
1681	unless ($LINK_MAP) {	1890	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	1891	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1892	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	1893	$LINK_MAP->load;
1685	}	1894	}
1686		1895
1687	$LINK_MAP	1896	$LINK_MAP
1688	}	1897	}
…		…
1693	$self->deactivate_recursive;	1902	$self->deactivate_recursive;
1694		1903
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	1904	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		1905
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	1907	if $self->map && $self->map->{path} ne "{link}";
1699		1908
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	1910	}
1702		1911
1703	sub cf::object::player::leave_link {	1912	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	1913	my ($self, $map, $x, $y) = @_;
		1914
		1915	return unless $self->contr->active;
1705		1916
1706	my $link_pos = delete $self->{_link_pos};	1917	my $link_pos = delete $self->{_link_pos};
1707		1918
1708	unless ($map) {	1919	unless ($map) {
1709	# restore original map position	1920	# restore original map position
…		…
1727	$map->load;	1938	$map->load;
1728	$map->load_diag;	1939	$map->load_diag;
1729		1940
1730	return unless $self->contr->active;	1941	return unless $self->contr->active;
1731	$self->activate_recursive;	1942	$self->activate_recursive;
		1943
		1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	1945	$self->enter_map ($map, $x, $y);
1733	}	1946	}
1734		1947
1735	cf::player->attach (
1736	on_logout => sub {
1737	my ($pl) = @_;
1738
1739	# abort map switching before logout
1740	if ($pl->ob->{_link_pos}) {
1741	cf::sync_job {
1742	$pl->ob->leave_link
1743	};
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748
1749	# try to abort aborted map switching on player login :)
1750	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766
1767	=item $player_object->goto ($path, $x, $y)	1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1768		1949
		1950	Moves the player to the given map-path and coordinates by first freezing
		1951	her, loading and preparing them map, calling the provided $check callback
		1952	that has to return the map if sucecssful, and then unfreezes the player on
		1953	the new (success) or old (failed) map position.
		1954
1769	=cut	1955	=cut
		1956
		1957	our $GOTOGEN;
1770		1958
1771	sub cf::object::player::goto {	1959	sub cf::object::player::goto {
1772	my ($self, $path, $x, $y) = @_;	1960	my ($self, $path, $x, $y, $check) = @_;
		1961
		1962	# do generation counting so two concurrent goto's will be executed in-order
		1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773		1964
1774	$self->enter_link;	1965	$self->enter_link;
1775		1966
1776	(async {	1967	(async {
		1968	my $map = eval {
1777	my $map = cf::map::find $path;	1969	my $map = cf::map::find $path;
		1970
		1971	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	1972	$map = $map->customise_for ($self);
1779		1973	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	1974	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1976	}
1784		1977
		1978	$map
		1979	};
		1980
		1981	if ($@) {
		1982	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		1983	LOG llevError | logBacktrace, Carp::longmess $@;
		1984	}
		1985
		1986	if ($gen == $self->{_goto_generation}) {
		1987	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	1988	$self->leave_link ($map, $x, $y);
		1989	}
1786	})->prio (1);	1990	})->prio (1);
1787	}	1991	}
1788		1992
1789	=item $player_object->enter_exit ($exit_object)	1993	=item $player_object->enter_exit ($exit_object)
1790		1994
…		…
1792		1996
1793	sub parse_random_map_params {	1997	sub parse_random_map_params {
1794	my ($spec) = @_;	1998	my ($spec) = @_;
1795		1999
1796	my $rmp = { # defaults	2000	my $rmp = { # defaults
1797	xsize => 10,	2001	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2002	ysize => (cf::rndm 15, 40),
		2003	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2004	#layout => string,
1799	};	2005	};
1800		2006
1801	for (split /\n/, $spec) {	2007	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2008	my ($k, $v) = split /\s+/, $_, 2;
1803		2009
…		…
1807	$rmp	2013	$rmp
1808	}	2014	}
1809		2015
1810	sub prepare_random_map {	2016	sub prepare_random_map {
1811	my ($exit) = @_;	2017	my ($exit) = @_;
		2018
		2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2020
1813	# all this does is basically replace the /! path by	2021	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2022	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2023	# that depends on the exit object
1816		2024
1817	my $rmp = parse_random_map_params $exit->msg;	2025	my $rmp = parse_random_map_params $exit->msg;
1818		2026
1819	if ($exit->map) {	2027	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2028	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2029	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2030	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2031	$rmp->{origin_y} = $exit->y;
1824	}	2032	}
1825		2033
1826	$rmp->{random_seed} ||= $exit->random_seed;	2034	$rmp->{random_seed} ||= $exit->random_seed;
1827		2035
1828	my $data = cf::to_json $rmp;	2036	my $data = cf::to_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2037	my $md5 = Digest::MD5::md5_hex $data;
		2038	my $meta = "$RANDOMDIR/$md5.meta";
1830		2039
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2041	aio_write $fh, 0, (length $data), $data, 0;
		2042	undef $fh;
		2043	aio_rename "$meta~", $meta;
1833		2044
1834	$exit->slaying ("?random/$md5");	2045	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2046	$exit->msg (undef);
1836	}	2047	}
1837	}	2048	}
1838		2049
1839	sub cf::object::player::enter_exit {	2050	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2051	my ($self, $exit) = @_;
1841		2052
1842	return unless $self->type == cf::PLAYER;	2053	return unless $self->type == cf::PLAYER;
		2054
		2055	if ($exit->slaying eq "/!") {
		2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2057	# the problem is that $exit might not survive long enough
		2058	# so it needs to be done right now, right here
		2059	cf::sync_job { prepare_random_map $exit };
		2060	}
		2061
		2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2063	my $hp = $exit->stats->hp;
		2064	my $sp = $exit->stats->sp;
1843		2065
1844	$self->enter_link;	2066	$self->enter_link;
1845		2067
1846	(async {	2068	(async {
1847	$self->deactivate_recursive; # just to be sure	2069	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2070	unless (eval {
1849	prepare_random_map $exit	2071	$self->goto ($slaying, $hp, $sp);
1850	if $exit->slaying eq "/!";
1851
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854		2072
1855	1;	2073	1;
1856	}) {	2074	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2075	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "I'll try to bring you back to the map you were before. "	2076	. "I'll try to bring you back to the map you were before. "
1859	. "Please report this to the dungeon master!",	2077	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2078	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2079
1862	warn "ERROR in enter_exit: $@";	2080	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2081	$self->leave_link;
1864	}	2082	}
1865	})->prio (1);	2083	})->prio (1);
…		…
1878		2096
1879	sub cf::client::send_drawinfo {	2097	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2098	my ($self, $text, $flags) = @_;
1881		2099
1882	utf8::encode $text;	2100	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2102	}
1885		2103
		2104	=item $client->ext_event ($type, %msg)
		2105
		2106	Sends an exti event to the client.
		2107
		2108	=cut
		2109
		2110	sub cf::client::ext_event($$%) {
		2111	my ($self, $type, %msg) = @_;
		2112
		2113	$msg{msgtype} = "event_$type";
		2114	$self->send_packet ("ext " . cf::to_json \%msg);
		2115	}
1886		2116
1887	=item $success = $client->query ($flags, "text", \&cb)	2117	=item $success = $client->query ($flags, "text", \&cb)
1888		2118
1889	Queues a query to the client, calling the given callback with	2119	Queues a query to the client, calling the given callback with
1890	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1919	# get handled first	2149	# get handled first
1920	my $queue = delete $ns->{query_queue}	2150	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2151	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2152
1923	(shift @$queue)->[1]->($msg);	2153	(shift @$queue)->[1]->($msg);
		2154	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2155
1925	push @{ $ns->{query_queue} }, @$queue;	2156	push @{ $ns->{query_queue} }, @$queue;
1926		2157
1927	if (@{ $ns->{query_queue} } == @$queue) {	2158	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2159	if (@$queue) {
…		…
1986		2217
1987	# here we export the classes and methods available to script code	2218	# here we export the classes and methods available to script code
1988		2219
1989	=pod	2220	=pod
1990		2221
1991	The following fucntions and emthods are available within a safe environment:	2222	The following functions and methods are available within a safe environment:
1992		2223
1993	cf::object contr pay_amount pay_player map	2224	cf::object contr pay_amount pay_player map
1994	cf::object::player player	2225	cf::object::player player
1995	cf::player peaceful	2226	cf::player peaceful
1996	cf::map trigger	2227	cf::map trigger
…		…
2081	#############################################################################	2312	#############################################################################
2082		2313
2083	=head2 EXTENSION DATABASE SUPPORT	2314	=head2 EXTENSION DATABASE SUPPORT
2084		2315
2085	Crossfire maintains a very simple database for extension use. It can	2316	Crossfire maintains a very simple database for extension use. It can
2086	currently store anything that can be serialised using Storable, which	2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2087	excludes objects.	2318	convert to/from binary).
2088		2319
2089	The parameter C<$family> should best start with the name of the extension	2320	The parameter C<$family> should best start with the name of the extension
2090	using it, it should be unique.	2321	using it, it should be unique.
2091		2322
2092	=over 4	2323	=over 4
2093		2324
2094	=item $hashref = cf::db_get $family
2095
2096	Return a hashref for use by the extension C<$family>, which can be
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099
2100	=item $value = cf::db_get $family => $key	2325	=item $value = cf::db_get $family => $key
2101		2326
2102	Returns a single value from the database	2327	Returns a single value from the database.
2103
2104	=item cf::db_put $family => $hashref
2105
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108		2328
2109	=item cf::db_put $family => $key => $value	2329	=item cf::db_put $family => $key => $value
2110		2330
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you	2331	Stores the given C<$value> in the family.
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121		2332
2122	=cut	2333	=cut
2123		2334
2124	our $DB;	2335	our $DB;
2125		2336
2126	{	2337	sub db_init {
2127	my $path = cf::localdir . "/database.pst";	2338	unless ($DB) {
		2339	$DB = BDB::db_create $DB_ENV;
2128		2340
2129	sub db_load() {	2341	cf::sync_job {
2130	$DB = stat $path ? Storable::retrieve $path : { };	2342	eval {
2131	}	2343	$DB->set_flags (BDB::CHKSUM);
2132		2344
2133	my $pid;	2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2134		2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2135	sub db_save() {	2347	cf::cleanup "db_open(db): $!" if $!;
2136	waitpid $pid, 0 if $pid;	2348	};
2137	if (0 == ($pid = fork)) {	2349	cf::cleanup "db_open(db): $@" if $@;
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}	2350	};
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});	2351	}
		2352	}
2155		2353
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}
2160
2161	sub db_get($;$) {	2354	sub db_get($$) {
2162	@_ >= 2	2355	my $key = "$_[0]/$_[1]";
2163	? $DB->{$_[0]}{$_[1]}
2164	: ($DB->{$_[0]} ||= { })
2165	}
2166		2356
		2357	cf::sync_job {
		2358	BDB::db_get $DB, undef, $key, my $data;
		2359
		2360	$! ? ()
		2361	: $data
		2362	}
		2363	}
		2364
2167	sub db_put($$;$) {	2365	sub db_put($$$) {
2168	if (@_ >= 3) {	2366	BDB::dbreq_pri 4;
2169	$DB->{$_[0]}{$_[1]} = $_[2];	2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2170	} else {	2368	}
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175		2369
2176	cf::global->attach (	2370	=item cf::cache $id => [$paths...], $processversion => $process
2177	prio => 10000,	2371
2178	on_cleanup => sub {	2372	Generic caching function that returns the value of the resource $id,
2179	db_sync;	2373	caching and regenerating as required.
		2374
		2375	This function can block.
		2376
		2377	=cut
		2378
		2379	sub cache {
		2380	my ($id, $src, $processversion, $process) = @_;
		2381
		2382	my $meta =
		2383	join "\x00",
		2384	$processversion,
		2385	map {
		2386	aio_stat $_
		2387	and Carp::croak "$_: $!";
		2388
		2389	($_, (stat _)[7,9])
		2390	} @$src;
		2391
		2392	my $dbmeta = db_get cache => "$id/meta";
		2393	if ($dbmeta ne $meta) {
		2394	# changed, we may need to process
		2395
		2396	my @data;
		2397	my $md5;
		2398
		2399	for (0 .. $#$src) {
		2400	0 <= aio_load $src->[$_], $data[$_]
		2401	or Carp::croak "$src->[$_]: $!";
2180	},	2402	}
2181	);	2403
		2404	# if processing is expensive, check
		2405	# checksum first
		2406	if (1) {
		2407	$md5 =
		2408	join "\x00",
		2409	$processversion,
		2410	map {
		2411	Coro::cede;
		2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2413	} 0.. $#$src;
		2414
		2415
		2416	my $dbmd5 = db_get cache => "$id/md5";
		2417	if ($dbmd5 eq $md5) {
		2418	db_put cache => "$id/meta", $meta;
		2419
		2420	return db_get cache => "$id/data";
		2421	}
		2422	}
		2423
		2424	my $t1 = Time::HiRes::time;
		2425	my $data = $process->(\@data);
		2426	my $t2 = Time::HiRes::time;
		2427
		2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2429
		2430	db_put cache => "$id/data", $data;
		2431	db_put cache => "$id/md5" , $md5;
		2432	db_put cache => "$id/meta", $meta;
		2433
		2434	return $data;
		2435	}
		2436
		2437	db_get cache => "$id/data"
		2438	}
		2439
		2440	=item fork_call { }, $args
		2441
		2442	Executes the given code block with the given arguments in a seperate
		2443	process, returning the results. Everything must be serialisable with
		2444	Coro::Storable. May, of course, block. Note that the executed sub may
		2445	never block itself or use any form of Event handling.
		2446
		2447	=cut
		2448
		2449	sub fork_call(&@) {
		2450	my ($cb, @args) = @_;
		2451
		2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2453	# or die "socketpair: $!";
		2454	pipe my $fh1, my $fh2
		2455	or die "pipe: $!";
		2456
		2457	if (my $pid = fork) {
		2458	close $fh2;
		2459
		2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2461	$res = Coro::Storable::thaw $res;
		2462
		2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2464
		2465	die $$res unless "ARRAY" eq ref $res;
		2466
		2467	return wantarray ? @$res : $res->[-1];
		2468	} else {
		2469	reset_signals;
		2470	local $SIG{__WARN__};
		2471	local $SIG{__DIE__};
		2472	eval {
		2473	close $fh1;
		2474
		2475	my @res = eval { $cb->(@args) };
		2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2477	};
		2478
		2479	warn $@ if $@;
		2480	_exit 0;
		2481	}
2182	}	2482	}
2183		2483
2184	#############################################################################	2484	#############################################################################
2185	# the server's main()	2485	# the server's init and main functions
		2486
		2487	sub load_facedata($) {
		2488	my ($path) = @_;
		2489
		2490	warn "loading facedata from $path\n";
		2491
		2492	my $facedata;
		2493	0 < aio_load $path, $facedata
		2494	or die "$path: $!";
		2495
		2496	$facedata = Coro::Storable::thaw $facedata;
		2497
		2498	$facedata->{version} == 2
		2499	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2500
		2501	{
		2502	my $faces = $facedata->{faceinfo};
		2503
		2504	while (my ($face, $info) = each %$faces) {
		2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2506	warn "$face $info->{magicmap}\n" if $face =~ /obol/;#d#
		2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2510	Coro::cede;
		2511	}
		2512
		2513	while (my ($face, $info) = each %$faces) {
		2514	next unless $info->{smooth};
		2515	my $idx = cf::face::find $face
		2516	or next;
		2517	if (my $smooth = cf::face::find $info->{smooth}) {
		2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2519	} else {
		2520	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2521	}
		2522	Coro::cede;
		2523	}
		2524	}
		2525
		2526	{
		2527	my $anims = $facedata->{animinfo};
		2528
		2529	while (my ($anim, $info) = each %$anims) {
		2530	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2531	Coro::cede;
		2532	}
		2533
		2534	cf::anim::invalidate_all; # d'oh
		2535	}
		2536
		2537	1
		2538	}
		2539
		2540	sub reload_regions {
		2541	load_resource_file "$MAPDIR/regions"
		2542	or die "unable to load regions file\n";
		2543	}
		2544
		2545	sub reload_facedata {
		2546	load_facedata "$DATADIR/facedata"
		2547	or die "unable to load facedata\n";
		2548	}
		2549
		2550	sub reload_archetypes {
		2551	load_resource_file "$DATADIR/archetypes"
		2552	or die "unable to load archetypes\n";
		2553	}
		2554
		2555	sub reload_treasures {
		2556	load_resource_file "$DATADIR/treasures"
		2557	or die "unable to load treasurelists\n";
		2558	}
		2559
		2560	sub reload_resources {
		2561	warn "reloading resource files...\n";
		2562
		2563	reload_regions;
		2564	reload_facedata;
		2565	reload_archetypes;
		2566	reload_treasures;
		2567
		2568	warn "finished reloading resource files\n";
		2569	}
		2570
		2571	sub init {
		2572	reload_resources;
		2573	}
2186		2574
2187	sub cfg_load {	2575	sub cfg_load {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	2576	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	2577	or return;
2190		2578
2191	local $/;	2579	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	2580	*CFG = YAML::Syck::Load <$fh>;
2193		2581
…		…
2207		2595
2208	sub main {	2596	sub main {
2209	# we must not ever block the main coroutine	2597	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	2598	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2600	(async {
2212	async { Event::one_event };	2601	Event::one_event;
		2602	})->prio (Coro::PRIO_MAX);
2213	};	2603	};
2214		2604
2215	cfg_load;	2605	cfg_load;
2216	db_load;	2606	db_init;
2217	load_extensions;	2607	load_extensions;
		2608
		2609	$TICK_WATCHER->start;
2218	Event::loop;	2610	Event::loop;
2219	}	2611	}
2220		2612
2221	#############################################################################	2613	#############################################################################
2222	# initialisation and cleanup	2614	# initialisation and cleanup
2223		2615
2224	# install some emergency cleanup handlers	2616	# install some emergency cleanup handlers
2225	BEGIN {	2617	BEGIN {
2226	for my $signal (qw(INT HUP TERM)) {	2618	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	2619	Event->signal (
		2620	reentrant => 0,
2228	data => WF_AUTOCANCEL,	2621	data => WF_AUTOCANCEL,
2229	signal => $signal,	2622	signal => $signal,
		2623	prio => 0,
2230	cb => sub {	2624	cb => sub {
2231	cf::cleanup "SIG$signal";	2625	cf::cleanup "SIG$signal";
2232	},	2626	},
2233	);	2627	);
2234	}	2628	}
2235	}	2629	}
…		…
2256	my $map = $cf::MAP{$path} or next;	2650	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	2651	$map->valid or next;
2258	$map->save;	2652	$map->save;
2259	}	2653	}
2260	warn "end emergency map save\n";	2654	warn "end emergency map save\n";
		2655
		2656	warn "begin emergency database checkpoint\n";
		2657	BDB::db_env_txn_checkpoint $DB_ENV;
		2658	warn "end emergency database checkpoint\n";
2261	};	2659	};
2262		2660
2263	warn "leave emergency perl save\n";	2661	warn "leave emergency perl save\n";
2264	}	2662	}
2265		2663
		2664	sub post_cleanup {
		2665	my ($make_core) = @_;
		2666
		2667	warn Carp::longmess "post_cleanup backtrace"
		2668	if $make_core;
		2669	}
		2670
2266	sub reload() {	2671	sub do_reload_perl() {
2267	# can/must only be called in main	2672	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	2673	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	2674	warn "can only reload from main coroutine";
2270	return;	2675	return;
2271	}	2676	}
2272		2677
2273	warn "reloading...";	2678	warn "reloading...";
2274		2679
2275	warn "freezing server";	2680	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	2681
		2682	cf::sync_job {
		2683	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	2684	cf::emergency_save;
		2685	cf::write_runtime; # external watchdog should not bark
2278		2686
2279	warn "sync database to disk";	2687	warn "syncing database to disk";
2280	cf::db_sync;	2688	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		2689
2283	eval {
2284	# if anything goes wrong in here, we should simply crash as we already saved	2690	# if anything goes wrong in here, we should simply crash as we already saved
2285		2691
2286	warn "cancel all watchers";	2692	warn "cancelling all WF_AUTOCANCEL watchers";
2287	for (Event::all_watchers) {	2693	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}	2695	}
2290		2696
		2697	warn "flushing outstanding aio requests";
		2698	for (;;) {
		2699	BDB::flush;
		2700	IO::AIO::flush;
		2701	Coro::cede;
		2702	last unless IO::AIO::nreqs || BDB::nreqs;
		2703	warn "iterate...";
		2704	}
		2705
		2706	++$RELOAD;
		2707
2291	warn "cancel all extension coros";	2708	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	2709	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	2710	%EXT_CORO = ();
2294		2711
2295	warn "remove commands";	2712	warn "removing commands";
2296	%COMMAND = ();	2713	%COMMAND = ();
2297		2714
2298	warn "remove ext commands";	2715	warn "removing ext commands";
2299	%EXTCMD = ();	2716	%EXTCMD = ();
2300		2717
2301	warn "unload/nuke all extensions";	2718	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	2719	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	2720	warn "... unloading $pkg";
2304		2721
2305	if (my $cb = $pkg->can ("unload")) {	2722	if (my $cb = $pkg->can ("unload")) {
2306	eval {	2723	eval {
…		…
2311		2728
2312	warn "... nuking $pkg";	2729	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	2730	Symbol::delete_package $pkg;
2314	}	2731	}
2315		2732
2316	warn "unload all perl modules loaded from $LIBDIR";	2733	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	2734	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		2736
2320	warn "removing <$k>";	2737	warn "... unloading $k";
2321	delete $INC{$k};	2738	delete $INC{$k};
2322		2739
2323	$k =~ s/\.pm$//;	2740	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	2741	$k =~ s/\//::/g;
2325		2742
…		…
2328	}	2745	}
2329		2746
2330	Symbol::delete_package $k;	2747	Symbol::delete_package $k;
2331	}	2748	}
2332		2749
2333	warn "get rid of safe::, as good as possible";	2750	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	2751	Symbol::delete_package "safe::$_"
2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336		2753
2337	warn "unload cf.pm \"a bit\"";	2754	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	2755	delete $INC{"cf.pm"};
		2756	delete $INC{"cf/pod.pm"};
2339		2757
2340	# don't, removes xs symbols, too,	2758	# don't, removes xs symbols, too,
2341	# and global variables created in xs	2759	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	2760	#Symbol::delete_package __PACKAGE__;
2343		2761
		2762	warn "unload completed, starting to reload now";
		2763
2344	warn "reloading cf.pm";	2764	warn "reloading cf.pm";
2345	require cf;	2765	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		2767
2348	warn "load config and database again";	2768	warn "loading config and database again";
2349	cf::cfg_load;	2769	cf::cfg_load;
2350	cf::db_load;
2351		2770
2352	warn "load extensions";	2771	warn "loading extensions";
2353	cf::load_extensions;	2772	cf::load_extensions;
2354		2773
2355	warn "reattach attachments to objects/players";	2774	warn "reattaching attachments to objects/players";
2356	_global_reattach;	2775	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	2776	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	2777	reattach $_ for values %MAP;
2359	};	2778	warn "reattaching attachments to players";
		2779	reattach $_ for values %PLAYER;
2360		2780
2361	if ($@) {	2781	warn "leaving sync_job";
		2782
		2783	1
		2784	} or do {
2362	warn $@;	2785	warn $@;
2363	warn "error while reloading, exiting.";	2786	warn "error while reloading, exiting.";
2364	exit 1;	2787	exit 1;
2365	}	2788	};
2366		2789
2367	warn "reloaded";	2790	warn "reloaded";
2368	};	2791	};
2369		2792
		2793	our $RELOAD_WATCHER; # used only during reload
		2794
		2795	sub reload_perl() {
		2796	# doing reload synchronously and two reloads happen back-to-back,
		2797	# coro crashes during coro_state_free->destroy here.
		2798
		2799	$RELOAD_WATCHER ||= Event->timer (
		2800	reentrant => 0,
		2801	after => 0,
		2802	data => WF_AUTOCANCEL,
		2803	cb => sub {
		2804	do_reload_perl;
		2805	undef $RELOAD_WATCHER;
		2806	},
		2807	);
		2808	}
		2809
2370	register_command "reload" => sub {	2810	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	2811	my ($who, $arg) = @_;
2372		2812
2373	if ($who->flag (FLAG_WIZ)) {	2813	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	2814	$who->message ("reloading server.");
		2815	async { reload_perl };
2377	}	2816	}
2378	};	2817	};
2379		2818
2380	unshift @INC, $LIBDIR;	2819	unshift @INC, $LIBDIR;
2381		2820
		2821	my $bug_warning = 0;
		2822
		2823	our @WAIT_FOR_TICK;
		2824	our @WAIT_FOR_TICK_BEGIN;
		2825
		2826	sub wait_for_tick {
		2827	return unless $TICK_WATCHER->is_active;
		2828	return if $Coro::current == $Coro::main;
		2829
		2830	my $signal = new Coro::Signal;
		2831	push @WAIT_FOR_TICK, $signal;
		2832	$signal->wait;
		2833	}
		2834
		2835	sub wait_for_tick_begin {
		2836	return unless $TICK_WATCHER->is_active;
		2837	return if $Coro::current == $Coro::main;
		2838
		2839	my $signal = new Coro::Signal;
		2840	push @WAIT_FOR_TICK_BEGIN, $signal;
		2841	$signal->wait;
		2842	}
		2843
		2844	my $min = 1e6;#d#
		2845	my $avg = 10;
2382	$TICK_WATCHER = Event->timer (	2846	$TICK_WATCHER = Event->timer (
2383	reentrant => 0,	2847	reentrant => 0,
		2848	parked => 1,
2384	prio => 0,	2849	prio => 0,
2385	at => $NEXT_TICK || $TICK,	2850	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,	2851	data => WF_AUTOCANCEL,
2387	cb => sub {	2852	cb => sub {
		2853	if ($Coro::current != $Coro::main) {
		2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2855	unless ++$bug_warning > 10;
		2856	return;
		2857	}
		2858
2388	$NOW = Event::time;	2859	$NOW = $tick_start = Event::time;
2389		2860
2390	cf::server_tick; # one server iteration	2861	cf::server_tick; # one server iteration
		2862
		2863	0 && sync_job {#d#
		2864	for(1..10) {
		2865	my $t = Event::time;
		2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2867	or die;
		2868
		2869	$map->width (50);
		2870	$map->height (50);
		2871	$map->alloc;
		2872	$map->_load_objects ("/tmp/x.map", 1);
		2873	my $t = Event::time - $t;
		2874
		2875	#next unless $t < 0.0013;#d#
		2876	if ($t < $min) {
		2877	$min = $t;
		2878	}
		2879	$avg = $avg * 0.99 + $t * 0.01;
		2880	}
		2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2882	exit 0;
		2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2884	};
		2885
2391	$RUNTIME += $TICK;	2886	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	2887	$NEXT_TICK += $TICK;
2393		2888
2394	$WAIT_FOR_TICK->broadcast;	2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2891	Coro::async_pool {
		2892	write_runtime
		2893	or warn "ERROR: unable to write runtime file: $!";
		2894	};
		2895	}
		2896
		2897	# my $AFTER = Event::time;
		2898	# warn $AFTER - $NOW;#d#
		2899
		2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2901	$sig->send;
		2902	}
		2903	while (my $sig = shift @WAIT_FOR_TICK) {
		2904	$sig->send;
		2905	}
		2906
		2907	$NOW = Event::time;
2396		2908
2397	# if we are delayed by four ticks or more, skip them all	2909	# if we are delayed by four ticks or more, skip them all
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2399		2911
2400	$TICK_WATCHER->at ($NEXT_TICK);	2912	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;	2913	$TICK_WATCHER->start;
		2914
		2915	$LOAD = ($NOW - $tick_start) / $TICK;
		2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2917
		2918	_post_tick;
		2919
		2920
2402	},	2921	},
2403	);	2922	);
2404		2923
		2924	{
2405	IO::AIO::max_poll_time $TICK * 0.2;	2925	BDB::max_poll_time $TICK * 0.1;
2406		2926	$BDB_POLL_WATCHER = Event->io (
2407	Event->io (	2927	reentrant => 0,
2408	fd => IO::AIO::poll_fileno,	2928	fd => BDB::poll_fileno,
2409	poll => 'r',	2929	poll => 'r',
2410	prio => 5,	2930	prio => 0,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,	2931	data => WF_AUTOCANCEL,
2417	after => 0,	2932	cb => \&BDB::poll_cb,
2418	interval => 10,	2933	);
2419	cb => sub {	2934	BDB::min_parallel 8;
2420	(Coro::unblock_sub {	2935
2421	write_runtime	2936	BDB::set_sync_prepare {
2422	or warn "ERROR: unable to write runtime file: $!";	2937	my $status;
		2938	my $current = $Coro::current;
		2939	(
		2940	sub {
		2941	$status = $!;
		2942	$current->ready; undef $current;
		2943	},
		2944	sub {
		2945	Coro::schedule while defined $current;
		2946	$! = $status;
		2947	},
		2948	)
		2949	};
		2950
		2951	unless ($DB_ENV) {
		2952	$DB_ENV = BDB::db_env_create;
		2953
		2954	cf::sync_job {
		2955	eval {
		2956	BDB::db_env_open
		2957	$DB_ENV,
		2958	$BDBDIR,
		2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2961	0666;
		2962
		2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2964
		2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2966	$DB_ENV->set_lk_detect;
		2967	};
		2968
		2969	cf::cleanup "db_env_open(db): $@" if $@;
2423	})->();	2970	};
2424	},	2971	}
2425	);	2972	}
		2973
		2974	{
		2975	IO::AIO::min_parallel 8;
		2976
		2977	undef $Coro::AIO::WATCHER;
		2978	IO::AIO::max_poll_time $TICK * 0.1;
		2979	$AIO_POLL_WATCHER = Event->io (
		2980	reentrant => 0,
		2981	data => WF_AUTOCANCEL,
		2982	fd => IO::AIO::poll_fileno,
		2983	poll => 'r',
		2984	prio => 6,
		2985	cb => \&IO::AIO::poll_cb,
		2986	);
		2987	}
		2988
		2989	my $_log_backtrace;
		2990
		2991	sub _log_backtrace {
		2992	my ($msg, @addr) = @_;
		2993
		2994	$msg =~ s/\n//;
		2995
		2996	# limit the # of concurrent backtraces
		2997	if ($_log_backtrace < 2) {
		2998	++$_log_backtrace;
		2999	async {
		3000	my @bt = fork_call {
		3001	@addr = map { sprintf "%x", $_ } @addr;
		3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3004	or die "addr2line: $!";
		3005
		3006	my @funcs;
		3007	my @res = <$fh>;
		3008	chomp for @res;
		3009	while (@res) {
		3010	my ($func, $line) = splice @res, 0, 2, ();
		3011	push @funcs, "[$func] $line";
		3012	}
		3013
		3014	@funcs
		3015	};
		3016
		3017	LOG llevInfo, "[ABT] $msg\n";
		3018	LOG llevInfo, "[ABT] $_\n" for @bt;
		3019	--$_log_backtrace;
		3020	};
		3021	} else {
		3022	LOG llevInfo, "[ABT] $msg\n";
		3023	LOG llevInfo, "[ABT] [suppressed]\n";
		3024	}
		3025	}
		3026
		3027	# load additional modules
		3028	use cf::pod;
2426		3029
2427	END { cf::emergency_save }	3030	END { cf::emergency_save }
2428		3031
2429	1	3032	1
2430		3033

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