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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.267 by root, Sat May 19 00:08:11 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	90	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		91
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		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 $tick_start; # for load detecting purposes
64		98
65	binmode STDOUT;	99	binmode STDOUT;
66	binmode STDERR;	100	binmode STDERR;
67		101
68	# read virtual server time, if available	102	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
73	}	107	}
74		108
75	mkdir cf::localdir;	109	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		111
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
84		115
85	#############################################################################	116	#############################################################################
86		117
87	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
88		119
…		…
95	=item $cf::RUNTIME	126	=item $cf::RUNTIME
96		127
97	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
98	every server tick.	129	every server tick.
99		130
100	=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
101		134
102	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		139
105	=item $cf::NOW	140	=item $cf::NOW
106		141
107	The time of the last (current) server tick.	142	The time of the last (current) server tick.
108		143
109	=item $cf::TICK	144	=item $cf::TICK
110		145
111	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.
112		157
113	=item %cf::CFG	158	=item %cf::CFG
114		159
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	161	from wherever your confdir points to.
117		162
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		164
120	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
121	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
122	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.
123	window of cpu time available, or simply to synchronise to the server tick.
124		168
125	=back	169	=back
126		170
127	=cut	171	=cut
128		172
129	BEGIN {	173	BEGIN {
130	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	175	my $msg = join "", @_;
132	utf8::encode $msg;
133		176
134	$msg .= "\n"	177	$msg .= "\n"
135	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
136		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
137	LOG llevError, $msg;	183	LOG llevError, $msg;
138	};	184	};
139	}	185	}
140		186
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
187	$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;
188	$d	234	$d
189	} || "[unable to dump $_[0]: '$@']";	235	} || "[unable to dump $_[0]: '$@']";
190	}	236	}
191		237
192	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
193		239
194	=item $ref = cf::from_json $json	240	=item $ref = cf::from_json $json
195		241
196	Converts a JSON string into the corresponding perl data structure.	242	Converts a JSON string into the corresponding perl data structure.
197		243
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	244	=item $json = cf::to_json $ref
206		245
207	Converts a perl data structure into its JSON representation.	246	Converts a perl data structure into its JSON representation.
208
209	=cut
210
211	sub to_json($) {
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
213	JSON::Syck::Dump $_[0]
214	}
215		247
216	=item cf::lock_wait $string	248	=item cf::lock_wait $string
217		249
218	Wait until the given lock is available. See cf::lock_acquire.	250	Wait until the given lock is available. See cf::lock_acquire.
219		251
…		…
225	returned.	257	returned.
226		258
227	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
228	uses map_find and cf::map::load uses map_load).	260	uses map_find and cf::map::load uses map_load).
229		261
		262	=item $locked = cf::lock_active $string
		263
		264	Return true if the lock is currently active, i.e. somebody has locked it.
		265
230	=cut	266	=cut
231		267
232	our %LOCK;	268	our %LOCK;
233		269
234	sub lock_wait($) {	270	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	289	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	290	$_->ready for @{ delete $LOCK{$key} };
255	}	291	}
256	}	292	}
257		293
		294	sub lock_active($) {
		295	my ($key) = @_;
		296
		297	! ! $LOCK{$key}
		298	}
		299
258	sub freeze_mainloop {	300	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	301	return unless $TICK_WATCHER->is_active;
260		302
261	my $guard = Coro::guard { $TICK_WATCHER->start };	303	my $guard = Coro::guard {
		304	$TICK_WATCHER->start;
		305	};
262	$TICK_WATCHER->stop;	306	$TICK_WATCHER->stop;
263	$guard	307	$guard
264	}	308	}
265		309
266	=item cf::async { BLOCK }	310	=item cf::async { BLOCK }
…		…
288		332
289	sub sync_job(&) {	333	sub sync_job(&) {
290	my ($job) = @_;	334	my ($job) = @_;
291		335
292	if ($Coro::current == $Coro::main) {	336	if ($Coro::current == $Coro::main) {
		337	my $time = Event::time;
		338
293	# this is the main coro, too bad, we have to block	339	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	340	# till the operation succeeds, freezing the server :/
295		341
296	# TODO: use suspend/resume instead	342	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	343	# (but this is cancel-safe)
…		…
308		354
309	while ($busy) {	355	while ($busy) {
310	Coro::cede or Event::one_event;	356	Coro::cede or Event::one_event;
311	}	357	}
312		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
313	wantarray ? @res : $res[0]	366	wantarray ? @res : $res[0]
314	} else {	367	} else {
315	# we are in another coroutine, how wonderful, everything just works	368	# we are in another coroutine, how wonderful, everything just works
316		369
317	$job->()	370	$job->()
…		…
337		390
338	$coro	391	$coro
339	}	392	}
340		393
341	sub write_runtime {	394	sub write_runtime {
342	my $runtime = cf::localdir . "/runtime";	395	my $runtime = "$LOCALDIR/runtime";
		396
		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	if (my $fh = aio_open $runtime, O_WRONLY, 0) {
		401	utime undef, undef, $fh;
		402	}
		403
		404	my $guard = cf::lock_acquire "write_runtime";
343		405
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345	or return;	407	or return;
346		408
		409	my $value = $cf::RUNTIME + 90 + 10;
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	410	# 10 is the runtime save interval, for a monotonic clock
		411	# 60 allows for the watchdog to kill the server.
		412
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0	413	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;	414	and return;
350		415
		416	# always fsync - this file is important
351	aio_fsync $fh	417	aio_fsync $fh
352	and return;	418	and return;
353		419
		420	# touch it again to show we are up-to-date
		421	utime undef, undef, $fh;
		422
354	close $fh	423	close $fh
355	or return;	424	or return;
356		425
357	aio_rename "$runtime~", $runtime	426	aio_rename "$runtime~", $runtime
358	and return;	427	and return;
359		428
		429	warn "runtime file written.\n";#d#
		430
360	1	431	1
361	}	432	}
362		433
		434	=item cf::datalog type => key => value, ...
		435
		436	Log a datalog packet of the given type with the given key-value pairs.
		437
		438	=cut
		439
		440	sub datalog($@) {
		441	my ($type, %kv) = @_;
		442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		443	}
		444
363	=back	445	=back
364		446
365	=cut	447	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542		448
543	#############################################################################	449	#############################################################################
544		450
545	=head2 ATTACHABLE OBJECTS	451	=head2 ATTACHABLE OBJECTS
546		452
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	578	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	579	our @CB_MAP = ();
674		580
675	my %attachment;	581	my %attachment;
676		582
		583	sub cf::attachable::thawer_merge {
		584	# simply override everything except _meta
		585	local $_[0]{_meta};
		586	%{$_[0]} = %{$_[1]};
		587	}
		588
677	sub _attach_cb($$$$) {	589	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	590	my ($registry, $event, $prio, $cb) = @_;
679		591
680	use sort 'stable';	592	use sort 'stable';
681		593
…		…
715	$registry = $CB_TYPE[$object_type] ||= [];	627	$registry = $CB_TYPE[$object_type] ||= [];
716		628
717	} elsif ($type eq "subtype") {	629	} elsif ($type eq "subtype") {
718	defined $object_type or Carp::croak "subtype specified without type";	630	defined $object_type or Carp::croak "subtype specified without type";
719	my $object_subtype = shift @arg;	631	my $object_subtype = shift @arg;
720	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
721		633
722	} elsif ($type eq "package") {	634	} elsif ($type eq "package") {
723	my $pkg = shift @arg;	635	my $pkg = shift @arg;
724		636
725	while (my ($name, $id) = each %cb_id) {	637	while (my ($name, $id) = each %cb_id) {
…		…
766	if (ref $_[0]) {	678	if (ref $_[0]) {
767	_object_attach @_;	679	_object_attach @_;
768	} else {	680	} else {
769	_attach shift->_attach_registry, @_;	681	_attach shift->_attach_registry, @_;
770	}	682	}
		683	_recalc_want;
771	};	684	};
772		685
773	# all those should be optimised	686	# all those should be optimised
774	sub cf::attachable::detach {	687	sub cf::attachable::detach {
775	my ($obj, $name) = @_;	688	my ($obj, $name) = @_;
…		…
778	delete $obj->{_attachment}{$name};	691	delete $obj->{_attachment}{$name};
779	reattach ($obj);	692	reattach ($obj);
780	} else {	693	} else {
781	Carp::croak "cannot, currently, detach class attachments";	694	Carp::croak "cannot, currently, detach class attachments";
782	}	695	}
		696	_recalc_want;
783	};	697	};
784		698
785	sub cf::attachable::attached {	699	sub cf::attachable::attached {
786	my ($obj, $name) = @_;	700	my ($obj, $name) = @_;
787		701
…		…
852	# object support	766	# object support
853		767
854	sub reattach {	768	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	769	# basically do the same as instantiate, without calling instantiate
856	my ($obj) = @_;	770	my ($obj) = @_;
		771
		772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857		773
858	my $registry = $obj->registry;	774	my $registry = $obj->registry;
859		775
860	@$registry = ();	776	@$registry = ();
861		777
…		…
908	$filename, length $$rdata, scalar @$objs;	824	$filename, length $$rdata, scalar @$objs;
909		825
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	827	chmod SAVE_MODE, $fh;
912	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
913	aio_fsync $fh;	829	aio_fsync $fh if $cf::USE_FSYNC;
914	close $fh;	830	close $fh;
915		831
916	if (@$objs) {	832	if (@$objs) {
917	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
918	chmod SAVE_MODE, $fh;	834	chmod SAVE_MODE, $fh;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	835	my $data = Storable::nfreeze { version => 1, objs => $objs };
920	aio_write $fh, 0, (length $data), $data, 0;	836	aio_write $fh, 0, (length $data), $data, 0;
921	aio_fsync $fh;	837	aio_fsync $fh if $cf::USE_FSYNC;
922	close $fh;	838	close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	839	aio_rename "$filename.pst~", "$filename.pst";
924	}	840	}
925	} else {	841	} else {
926	aio_unlink "$filename.pst";	842	aio_unlink "$filename.pst";
…		…
1048	"package $pkg; use strict; use utf8;\n"	964	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"	965	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })	966	. (do { local $/; <$fh> })
1051	. "\n};\n1";	967	. "\n};\n1";
1052		968
1053	eval $source	969	unless (eval $source) {
1054	or die $@ ? "$path: $@\n"	970	my $msg = $@ ? "$path: $@\n"
1055	: "extension disabled.\n";	971	: "extension disabled.\n";
		972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		973	warn $@;
		974	warn "mandatory extension failed to load, exiting.\n";
		975	exit 1;
		976	}
		977	die $@;
		978	}
1056		979
1057	push @EXTS, $pkg;	980	push @EXTS, $pkg;
1058	}	981	}
1059		982
1060	sub load_extensions {	983	sub load_extensions {
…		…
1066	} or warn "$ext not loaded: $@";	989	} or warn "$ext not loaded: $@";
1067	}	990	}
1068	}	991	}
1069		992
1070	#############################################################################	993	#############################################################################
1071	# load/save/clean perl data associated with a map
1072
1073	*cf::mapsupport::on_clean = sub {
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		994
1086	=head2 CORE EXTENSIONS	995	=head2 CORE EXTENSIONS
1087		996
1088	Functions and methods that extend core crossfire objects.	997	Functions and methods that extend core crossfire objects.
1089		998
…		…
1102	Returns the given player object, loading it if necessary (might block).	1011	Returns the given player object, loading it if necessary (might block).
1103		1012
1104	=cut	1013	=cut
1105		1014
1106	sub playerdir($) {	1015	sub playerdir($) {
1107	cf::localdir	1016	"$PLAYERDIR/"
1108	. "/"
1109	. cf::playerdir
1110	. "/"
1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1017	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	1018	}
1113		1019
1114	sub path($) {	1020	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1021	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		1022
1117	(playerdir $login) . "/$login.pl"	1023	(playerdir $login) . "/playerdata"
1118	}	1024	}
1119		1025
1120	sub find_active($) {	1026	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	1027	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	1028	and $cf::PLAYER{$_[0]}->active
…		…
1125		1031
1126	sub exists($) {	1032	sub exists($) {
1127	my ($login) = @_;	1033	my ($login) = @_;
1128		1034
1129	$cf::PLAYER{$login}	1035	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	1036	or cf::sync_job { !aio_stat path $login }
1131	}	1037	}
1132		1038
1133	sub find($) {	1039	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	1040	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	1041	my $login = $_[0];
1136		1042
1137	my $guard = cf::lock_acquire "user_find:$login";	1043	my $guard = cf::lock_acquire "user_find:$login";
1138		1044
1139	$cf::PLAYER{$_[0]} || do {	1045	$cf::PLAYER{$_[0]} || do {
		1046	# rename old playerfiles to new ones
		1047	#TODO: remove when no longer required
		1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1051	aio_unlink +(playerdir $login) . "/$login.pl";
		1052
1140	my $pl = load_pl path $login	1053	my $pl = load_pl path $login
1141	or return;	1054	or return;
1142	$cf::PLAYER{$login} = $pl	1055	$cf::PLAYER{$login} = $pl
1143	}	1056	}
1144	}	1057	}
…		…
1181		1094
1182	=cut	1095	=cut
1183		1096
1184	sub quit_character {	1097	sub quit_character {
1185	my ($pl) = @_;	1098	my ($pl) = @_;
		1099
		1100	my $name = $pl->ob->name;
1186		1101
1187	$pl->{deny_save} = 1;	1102	$pl->{deny_save} = 1;
1188	$pl->password ("*"); # this should lock out the player until we nuked the dir	1103	$pl->password ("*"); # this should lock out the player until we nuked the dir
1189		1104
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1195	my $path = playerdir $pl;	1110	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1111	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1112	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1113	delete $cf::PLAYER{$pl->ob->name};
1199	$pl->destroy;	1114	$pl->destroy;
		1115
		1116	my $prefix = qr<^~\Q$name\E/>;
		1117
		1118	# nuke player maps
		1119	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1120
1200	IO::AIO::aio_rmtree $temp;	1121	IO::AIO::aio_rmtree $temp;
		1122	}
		1123
		1124	=item $pl->kick
		1125
		1126	Kicks a player out of the game. This destroys the connection.
		1127
		1128	=cut
		1129
		1130	sub kick {
		1131	my ($pl, $kicker) = @_;
		1132
		1133	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1134	$pl->killer ("kicked");
		1135	$pl->ns->destroy;
1201	}	1136	}
1202		1137
1203	=item cf::player::list_logins	1138	=item cf::player::list_logins
1204		1139
1205	Returns am arrayref of all valid playernames in the system, can take a	1140	Returns am arrayref of all valid playernames in the system, can take a
1206	while and may block, so not sync_job-capable, ever.	1141	while and may block, so not sync_job-capable, ever.
1207		1142
1208	=cut	1143	=cut
1209		1144
1210	sub list_logins {	1145	sub list_logins {
1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1146	my $dirs = aio_readdir $PLAYERDIR
1212	or return [];	1147	or return [];
1213		1148
1214	my @logins;	1149	my @logins;
1215		1150
1216	for my $login (@$dirs) {	1151	for my $login (@$dirs) {
…		…
1225	\@logins	1160	\@logins
1226	}	1161	}
1227		1162
1228	=item $player->maps	1163	=item $player->maps
1229		1164
1230	Returns an arrayref of cf::path's of all maps that are private for this	1165	Returns an arrayref of map paths that are private for this
1231	player. May block.	1166	player. May block.
1232		1167
1233	=cut	1168	=cut
1234		1169
1235	sub maps($) {	1170	sub maps($) {
1236	my ($pl) = @_;	1171	my ($pl) = @_;
		1172
		1173	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1174
1238	my $files = aio_readdir playerdir $pl	1175	my $files = aio_readdir playerdir $pl
1239	or return;	1176	or return;
1240		1177
1241	my @paths;	1178	my @paths;
…		…
1243	for (@$files) {	1180	for (@$files) {
1244	utf8::decode $_;	1181	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1182	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1183	next unless /^$PATH_SEP/o;
1247		1184
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1185	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1186	}
1250		1187
1251	\@paths	1188	\@paths
1252	}	1189	}
1253		1190
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1191	=item $player->ext_reply ($msgid, %msg)
1255		1192
1256	Sends an ext reply to the player.	1193	Sends an ext reply to the player.
1257		1194
1258	=cut	1195	=cut
1259		1196
1260	sub ext_reply($$$%) {	1197	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1198	my ($self, $id, %msg) = @_;
1262		1199
1263	$msg{msgid} = $id;	1200	$msg{msgid} = $id;
1264		1201
1265	$self->send ("ext " . cf::to_json \%msg);	1202	$self->send ("ext " . cf::to_json \%msg);
1266	}	1203	}
1267		1204
1268	package cf;	1205	=item $player->ext_event ($type, %msg)
		1206
		1207	Sends an ext event to the client.
		1208
		1209	=cut
		1210
		1211	sub ext_event($$%) {
		1212	my ($self, $type, %msg) = @_;
		1213
		1214	$self->ns->ext_event ($type, %msg);
		1215	}
		1216
		1217	=head3 cf::region
		1218
		1219	=over 4
		1220
		1221	=cut
		1222
		1223	package cf::region;
		1224
		1225	=item cf::region::find_by_path $path
		1226
		1227	Tries to decuce the probable region for a map knowing only its path.
		1228
		1229	=cut
		1230
		1231	sub find_by_path($) {
		1232	my ($path) = @_;
		1233
		1234	my ($match, $specificity);
		1235
		1236	for my $region (list) {
		1237	if ($region->match && $path =~ $region->match) {
		1238	($match, $specificity) = ($region, $region->specificity)
		1239	if $region->specificity > $specificity;
		1240	}
		1241	}
		1242
		1243	$match
		1244	}
1269		1245
1270	=back	1246	=back
1271
1272		1247
1273	=head3 cf::map	1248	=head3 cf::map
1274		1249
1275	=over 4	1250	=over 4
1276		1251
…		…
1279	package cf::map;	1254	package cf::map;
1280		1255
1281	use Fcntl;	1256	use Fcntl;
1282	use Coro::AIO;	1257	use Coro::AIO;
1283		1258
		1259	use overload
		1260	'""' => \&as_string,
		1261	fallback => 1;
		1262
1284	our $MAX_RESET = 3600;	1263	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1264	our $DEFAULT_RESET = 3000;
1286		1265
1287	sub generate_random_map {	1266	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1267	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1268	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1269	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1273	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1274	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1279	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1280	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1281	)
1305	}	1282	}
1306		1283
		1284	=item cf::map->register ($regex, $prio)
		1285
		1286	Register a handler for the map path matching the given regex at the
		1287	givne priority (higher is better, built-in handlers have priority 0, the
		1288	default).
		1289
		1290	=cut
		1291
		1292	sub register {
		1293	my (undef, $regex, $prio) = @_;
		1294	my $pkg = caller;
		1295
		1296	no strict;
		1297	push @{"$pkg\::ISA"}, __PACKAGE__;
		1298
		1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1300	}
		1301
		1302	# also paths starting with '/'
		1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1304
		1305	sub thawer_merge {
		1306	my ($self, $merge) = @_;
		1307
		1308	# we have to keep some variables in memory intact
		1309	local $self->{path};
		1310	local $self->{load_path};
		1311	local $self->{deny_save};
		1312	local $self->{deny_reset};
		1313
		1314	$self->SUPER::thawer_merge ($merge);
		1315	}
		1316
		1317	sub normalise {
		1318	my ($path, $base) = @_;
		1319
		1320	$path = "$path"; # make sure its a string
		1321
		1322	$path =~ s/\.map$//;
		1323
		1324	# map plan:
		1325	#
		1326	# /! non-realised random map exit (special hack!)
		1327	# {... are special paths that are not being touched
		1328	# ?xxx/... are special absolute paths
		1329	# ?random/... random maps
		1330	# /... normal maps
		1331	# ~user/... per-player map of a specific user
		1332
		1333	$path =~ s/$PATH_SEP/\//go;
		1334
		1335	# treat it as relative path if it starts with
		1336	# something that looks reasonable
		1337	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1338	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1339
		1340	$base =~ s{[^/]+/?$}{};
		1341	$path = "$base/$path";
		1342	}
		1343
		1344	for ($path) {
		1345	redo if s{//}{/};
		1346	redo if s{/\.?/}{/};
		1347	redo if s{/[^/]+/\.\./}{/};
		1348	}
		1349
		1350	$path
		1351	}
		1352
		1353	sub new_from_path {
		1354	my (undef, $path, $base) = @_;
		1355
		1356	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1357
		1358	$path = normalise $path, $base;
		1359
		1360	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1361	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1362	my $self = bless cf::map::new, $pkg;
		1363	$self->{path} = $path; $self->path ($path);
		1364	$self->init; # pass $1 etc.
		1365	return $self;
		1366	}
		1367	}
		1368
		1369	Carp::carp "unable to resolve path '$path' (base '$base').";
		1370	()
		1371	}
		1372
		1373	sub init {
		1374	my ($self) = @_;
		1375
		1376	$self
		1377	}
		1378
		1379	sub as_string {
		1380	my ($self) = @_;
		1381
		1382	"$self->{path}"
		1383	}
		1384
		1385	# the displayed name, this is a one way mapping
		1386	sub visible_name {
		1387	&as_string
		1388	}
		1389
		1390	# the original (read-only) location
		1391	sub load_path {
		1392	my ($self) = @_;
		1393
		1394	"$MAPDIR/$self->{path}.map"
		1395	}
		1396
		1397	# the temporary/swap location
		1398	sub save_path {
		1399	my ($self) = @_;
		1400
		1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1402	"$TMPDIR/$path.map"
		1403	}
		1404
		1405	# the unique path, undef == no special unique path
		1406	sub uniq_path {
		1407	my ($self) = @_;
		1408
		1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1410	"$UNIQUEDIR/$path"
		1411	}
		1412
1307	# and all this just because we cannot iterate over	1413	# and all this just because we cannot iterate over
1308	# all maps in C++...	1414	# all maps in C++...
1309	sub change_all_map_light {	1415	sub change_all_map_light {
1310	my ($change) = @_;	1416	my ($change) = @_;
1311		1417
1312	$_->change_map_light ($change)	1418	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1419	for grep $_->outdoor, values %cf::MAP;
1314	}	1420	}
1315		1421
		1422	sub unlink_save {
		1423	my ($self) = @_;
		1424
		1425	utf8::encode (my $save = $self->save_path);
		1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1427	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1428	}
		1429
1316	sub load_map_header($) {	1430	sub load_header_from($) {
1317	my ($path) = @_;	1431	my ($self, $path) = @_;
1318		1432
1319	utf8::encode $path;	1433	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1434	#aio_open $path, O_RDONLY, 0
		1435	# or return;
		1436
		1437	$self->_load_header ($path)
1321	or return;	1438	or return;
1322		1439
1323	my $map = cf::map::new	1440	$self->{load_path} = $path;
		1441
		1442	1
		1443	}
		1444
		1445	sub load_header_orig {
		1446	my ($self) = @_;
		1447
		1448	$self->load_header_from ($self->load_path)
		1449	}
		1450
		1451	sub load_header_temp {
		1452	my ($self) = @_;
		1453
		1454	$self->load_header_from ($self->save_path)
		1455	}
		1456
		1457	sub prepare_temp {
		1458	my ($self) = @_;
		1459
		1460	$self->last_access ((delete $self->{last_access})
		1461	|| $cf::RUNTIME); #d#
		1462	# safety
		1463	$self->{instantiate_time} = $cf::RUNTIME
		1464	if $self->{instantiate_time} > $cf::RUNTIME;
		1465	}
		1466
		1467	sub prepare_orig {
		1468	my ($self) = @_;
		1469
		1470	$self->{load_original} = 1;
		1471	$self->{instantiate_time} = $cf::RUNTIME;
		1472	$self->last_access ($cf::RUNTIME);
		1473	$self->instantiate;
		1474	}
		1475
		1476	sub load_header {
		1477	my ($self) = @_;
		1478
		1479	if ($self->load_header_temp) {
		1480	$self->prepare_temp;
		1481	} else {
		1482	$self->load_header_orig
1324	or return;	1483	or return;
		1484	$self->prepare_orig;
		1485	}
1325		1486
1326	# for better error messages only, will be overwritten later	1487	$self->default_region (cf::region::find_by_path $self->{path})
1327	$map->path ($path);	1488	unless $self->default_region;
1328		1489
1329	$map->load_header ($path)	1490	1
1330	or return;
1331
1332	$map->{load_path} = $path;
1333
1334	$map
1335	}	1491	}
1336		1492
1337	sub find;	1493	sub find;
1338	sub find {	1494	sub find {
1339	my ($path, $origin) = @_;	1495	my ($path, $origin) = @_;
1340		1496
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1497	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1498
1346	cf::lock_wait "map_find:$key";	1499	cf::lock_wait "map_find:$path";
1347		1500
1348	$cf::MAP{$key} || do {	1501	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1502	my $guard = cf::lock_acquire "map_find:$path";
1350		1503	my $map = new_from_path cf::map $path
1351	# do it the slow way
1352	my $map = $path->load_temp;
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	1504	or return;
1365		1505
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	1506	$map->{last_save} = $cf::RUNTIME;
1378		1507
1379	Coro::cede;	1508	$map->load_header
		1509	or return;
1380		1510
1381	if ($map->should_reset) {	1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1512	# doing this can freeze the server in a sync job, obviously
		1513	#$cf::WAIT_FOR_TICK->wait;
1382	$map->reset;	1514	$map->reset;
1383	undef $guard;	1515	undef $guard;
1384	$map = find $path	1516	return find $path;
1385	or return;
1386	}	1517	}
1387		1518
1388	$cf::MAP{$key} = $map	1519	$cf::MAP{$path} = $map
1389	}	1520	}
1390	}	1521	}
		1522
		1523	sub pre_load { }
		1524	sub post_load { }
1391		1525
1392	sub load {	1526	sub load {
1393	my ($self) = @_;	1527	my ($self) = @_;
1394		1528
		1529	local $self->{deny_reset} = 1; # loading can take a long time
		1530
1395	my $path = $self->{path};	1531	my $path = $self->{path};
		1532
		1533	{
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1534	my $guard = cf::lock_acquire "map_load:$path";
1397		1535
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1536	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1537
1400	$self->in_memory (cf::MAP_LOADING);	1538	$self->in_memory (cf::MAP_LOADING);
1401		1539
1402	$self->alloc;	1540	$self->alloc;
		1541
		1542	$self->pre_load;
		1543	Coro::cede;
		1544
1403	$self->load_objects ($self->{load_path}, 1)	1545	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1546	or return;
1405		1547
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1549	if delete $self->{load_original};
1408		1550
1409	if (my $uniq = $path->uniq_path) {	1551	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1552	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1553	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1554	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1555	$self->_load_objects ($uniq, 0);
1414	}	1556	}
1415	}	1557	}
1416		1558
1417	Coro::cede;	1559	Coro::cede;
1418
1419	# now do the right thing for maps	1560	# now do the right thing for maps
1420	$self->link_multipart_objects;	1561	$self->link_multipart_objects;
1421
1422	if ($self->{path}->is_style_map) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;
1427	$self->fix_auto_apply;
1428	$self->update_buttons;
1429	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	1562	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1563	unless $self->difficulty;
		1564	Coro::cede;
		1565
		1566	unless ($self->{deny_activate}) {
		1567	$self->decay_objects;
		1568	$self->fix_auto_apply;
		1569	$self->update_buttons;
		1570	Coro::cede;
		1571	$self->set_darkness_map;
		1572	Coro::cede;
1432	$self->activate;	1573	$self->activate;
1433	}	1574	}
1434		1575
1435	Coro::cede;
1436
1437	$self->in_memory (cf::MAP_IN_MEMORY);	1576	$self->in_memory (cf::MAP_IN_MEMORY);
		1577	}
		1578
		1579	$self->post_load;
		1580	}
		1581
		1582	sub customise_for {
		1583	my ($self, $ob) = @_;
		1584
		1585	return find "~" . $ob->name . "/" . $self->{path}
		1586	if $self->per_player;
		1587
		1588	$self
1438	}	1589	}
1439		1590
1440	# find and load all maps in the 3x3 area around a map	1591	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1592	sub load_diag {
1442	my ($map) = @_;	1593	my ($map) = @_;
…		…
1472		1623
1473	cf::sync_job { $map->load };	1624	cf::sync_job { $map->load };
1474	}	1625	}
1475		1626
1476	our %MAP_PREFETCH;	1627	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = Coro::async {	1628	our $MAP_PREFETCHER = undef;
1478	while () {
1479	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH
1481	or next;
1482	my $path = delete $MAP_PREFETCH{$key};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}
1488	Coro::schedule;
1489	}
1490	};
1491		1629
1492	sub find_async {	1630	sub find_async {
1493	my ($path, $origin) = @_;	1631	my ($path, $origin) = @_;
1494		1632
1495	$path = new cf::path $path, $origin && $origin->path;	1633	$path = normalise $path, $origin && $origin->{path};
1496	my $key = $path->as_string;
1497		1634
1498	if (my $map = $cf::MAP{$key}) {	1635	if (my $map = $cf::MAP{$path}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}	1637	}
1501		1638
1502	$MAP_PREFETCH{$key} = $path;	1639	undef $MAP_PREFETCH{$path};
		1640	$MAP_PREFETCHER ||= cf::async {
		1641	while (%MAP_PREFETCH) {
		1642	for my $path (keys %MAP_PREFETCH) {
		1643	my $map = find $path
		1644	or next;
		1645	$map->load;
		1646
		1647	delete $MAP_PREFETCH{$path};
		1648	}
		1649	}
		1650	undef $MAP_PREFETCHER;
		1651	};
1503	$MAP_PREFETCHER->ready;	1652	$MAP_PREFETCHER->prio (6);
1504		1653
1505	()	1654	()
1506	}	1655	}
1507		1656
1508	sub save {	1657	sub save {
…		…
1512		1661
1513	$self->{last_save} = $cf::RUNTIME;	1662	$self->{last_save} = $cf::RUNTIME;
1514		1663
1515	return unless $self->dirty;	1664	return unless $self->dirty;
1516		1665
1517	my $save = $self->{path}->save_path; utf8::encode $save;	1666	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1667	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		1668
1520	$self->{load_path} = $save;	1669	$self->{load_path} = $save;
1521		1670
1522	return if $self->{deny_save};	1671	return if $self->{deny_save};
1523		1672
…		…
1526	cf::async {	1675	cf::async {
1527	$_->contr->save for $self->players;	1676	$_->contr->save for $self->players;
1528	};	1677	};
1529		1678
1530	if ($uniq) {	1679	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	1682	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	1684	}
1536	}	1685	}
1537		1686
1538	sub swap_out {	1687	sub swap_out {
1539	my ($self) = @_;	1688	my ($self) = @_;
…		…
1553		1702
1554	sub reset_at {	1703	sub reset_at {
1555	my ($self) = @_;	1704	my ($self) = @_;
1556		1705
1557	# TODO: safety, remove and allow resettable per-player maps	1706	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};	1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1559	return 1e99 if $self->{deny_reset};	1708	return 1e99 if $self->{deny_reset};
1560		1709
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		1712
…		…
1568	my ($self) = @_;	1717	my ($self) = @_;
1569		1718
1570	$self->reset_at <= $cf::RUNTIME	1719	$self->reset_at <= $cf::RUNTIME
1571	}	1720	}
1572		1721
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	1722	sub reset {
1587	my ($self) = @_;	1723	my ($self) = @_;
1588		1724
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	1725	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		1726
1591	return if $self->players;	1727	return if $self->players;
1592	return if $self->{path}{user_rel};#d#	1728	return if $self->isa ("ext::map_per_player");#d#
1593		1729
1594	warn "resetting map ", $self->path;#d#	1730	warn "resetting map ", $self->path;#d#
1595		1731
		1732	$self->in_memory (cf::MAP_SWAPPED);
		1733
		1734	# need to save uniques path
		1735	unless ($self->{deny_save}) {
		1736	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1737
		1738	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1739	if $uniq;
		1740	}
		1741
1596	delete $cf::MAP{$self->path};	1742	delete $cf::MAP{$self->path};
1597		1743
		1744	$self->clear;
		1745
1598	$_->clear_links_to ($self) for values %cf::MAP;	1746	$_->clear_links_to ($self) for values %cf::MAP;
1599		1747
1600	$self->{path}->unlink_save;	1748	$self->unlink_save;
1601	$self->destroy;	1749	$self->destroy;
1602	}	1750	}
1603		1751
1604	my $nuke_counter = "aaaa";	1752	my $nuke_counter = "aaaa";
1605		1753
1606	sub nuke {	1754	sub nuke {
1607	my ($self) = @_;	1755	my ($self) = @_;
1608		1756
		1757	delete $cf::MAP{$self->path};
		1758
		1759	$self->unlink_save;
		1760
		1761	bless $self, "cf::map";
		1762	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	1763	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	1764	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1766
		1767	$cf::MAP{$self->path} = $self;
		1768
1612	$self->reset; # polite request, might not happen	1769	$self->reset; # polite request, might not happen
1613	}	1770	}
1614		1771
1615	=item cf::map::unique_maps	1772	=item cf::map::unique_maps
1616		1773
1617	Returns an arrayref of cf::path's of all shared maps that have	1774	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	1775	instantiated unique items. May block.
1619		1776
1620	=cut	1777	=cut
1621		1778
1622	sub unique_maps() {	1779	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1780	my $files = aio_readdir $UNIQUEDIR
1624	or return;	1781	or return;
1625		1782
1626	my @paths;	1783	my @paths;
1627		1784
1628	for (@$files) {	1785	for (@$files) {
1629	utf8::decode $_;	1786	utf8::decode $_;
1630	next if /\.pst$/;	1787	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;	1788	next unless /^$PATH_SEP/o;
1632		1789
1633	push @paths, new cf::path $_;	1790	push @paths, cf::map::normalise $_;
1634	}	1791	}
1635		1792
1636	\@paths	1793	\@paths
1637	}	1794	}
1638		1795
…		…
1713		1870
1714	=item $player_object->enter_link	1871	=item $player_object->enter_link
1715		1872
1716	Freezes the player and moves him/her to a special map (C<{link}>).	1873	Freezes the player and moves him/her to a special map (C<{link}>).
1717		1874
1718	The player should be reaosnably safe there for short amounts of time. You	1875	The player should be reasonably safe there for short amounts of time. You
1719	I<MUST> call C<leave_link> as soon as possible, though.	1876	I<MUST> call C<leave_link> as soon as possible, though.
1720		1877
		1878	Will never block.
		1879
1721	=item $player_object->leave_link ($map, $x, $y)	1880	=item $player_object->leave_link ($map, $x, $y)
1722		1881
1723	Moves the player out of the specila link map onto the given map. If the	1882	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	1883	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	1884	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	1885	fails, to the emergency map position.
1727		1886
1728	Might block.	1887	Might block.
1729		1888
1730	=cut	1889	=cut
		1890
		1891	sub link_map {
		1892	unless ($LINK_MAP) {
		1893	$LINK_MAP = cf::map::find "{link}"
		1894	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1895	$LINK_MAP->load;
		1896	}
		1897
		1898	$LINK_MAP
		1899	}
1731		1900
1732	sub cf::object::player::enter_link {	1901	sub cf::object::player::enter_link {
1733	my ($self) = @_;	1902	my ($self) = @_;
1734		1903
1735	$self->deactivate_recursive;	1904	$self->deactivate_recursive;
1736		1905
1737	return if $self->map == $LINK_MAP;	1906	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		1907
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	1909	if $self->map;
1741		1910
1742	$self->enter_map ($LINK_MAP, 20, 20);	1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	1912	}
1744		1913
1745	sub cf::object::player::leave_link {	1914	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	1915	my ($self, $map, $x, $y) = @_;
1747		1916
…		…
1769	$map->load;	1938	$map->load;
1770	$map->load_diag;	1939	$map->load_diag;
1771		1940
1772	return unless $self->contr->active;	1941	return unless $self->contr->active;
1773	$self->activate_recursive;	1942	$self->activate_recursive;
		1943
		1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	1945	$self->enter_map ($map, $x, $y);
1775	}	1946	}
1776		1947
1777	cf::player->attach (	1948	cf::player->attach (
1778	on_logout => sub {	1949	on_logout => sub {
…		…
1791	# try to abort aborted map switching on player login :)	1962	# try to abort aborted map switching on player login :)
1792	# should happen only on crashes	1963	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {	1964	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;	1965	$pl->ob->enter_link;
1795	(async {	1966	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,	1967	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "	1968	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",	1969	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);	1970	cf::NDI_RED);
		1971	# we need this sleep as the login has a concurrent enter_exit running
		1972	# and this sleep increases chances of the player not ending up in scorn
1802	Coro::Timer::sleep 1;	1973	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;	1974	$pl->ob->leave_link;
1804	})->prio (2);	1975	})->prio (2);
1805	}	1976	}
1806	},	1977	},
…		…
1811	=cut	1982	=cut
1812		1983
1813	sub cf::object::player::goto {	1984	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	1985	my ($self, $path, $x, $y) = @_;
1815		1986
1816	$path = new cf::path $path;
1817
1818	$self->enter_link;	1987	$self->enter_link;
1819		1988
1820	(async {	1989	(async {
		1990	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	1991	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;	1992	$map = $map->customise_for ($self) if $map;
1823		1993	$map
1824	# warn "entering ", $map->path, " at ($x, $y)\n"	1994	} or
1825	# if $map;
1826
1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1828		1996
1829	$self->leave_link ($map, $x, $y);	1997	$self->leave_link ($map, $x, $y);
1830	})->prio (1);	1998	})->prio (1);
1831	}	1999	}
1832		2000
…		…
1836		2004
1837	sub parse_random_map_params {	2005	sub parse_random_map_params {
1838	my ($spec) = @_;	2006	my ($spec) = @_;
1839		2007
1840	my $rmp = { # defaults	2008	my $rmp = { # defaults
1841	xsize => 10,	2009	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	2010	ysize => (cf::rndm 15, 40),
		2011	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2012	#layout => string,
1843	};	2013	};
1844		2014
1845	for (split /\n/, $spec) {	2015	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	2016	my ($k, $v) = split /\s+/, $_, 2;
1847		2017
…		…
1851	$rmp	2021	$rmp
1852	}	2022	}
1853		2023
1854	sub prepare_random_map {	2024	sub prepare_random_map {
1855	my ($exit) = @_;	2025	my ($exit) = @_;
		2026
		2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		2028
1857	# all this does is basically replace the /! path by	2029	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	2030	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	2031	# that depends on the exit object
1860		2032
1861	my $rmp = parse_random_map_params $exit->msg;	2033	my $rmp = parse_random_map_params $exit->msg;
1862		2034
1863	if ($exit->map) {	2035	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	2036	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	2037	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	2038	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	2039	$rmp->{origin_y} = $exit->y;
1868	}	2040	}
1869		2041
1870	$rmp->{random_seed} ||= $exit->random_seed;	2042	$rmp->{random_seed} ||= $exit->random_seed;
1871		2043
1872	my $data = cf::to_json $rmp;	2044	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	2045	my $md5 = Digest::MD5::md5_hex $data;
		2046	my $meta = "$RANDOMDIR/$md5.meta";
1874		2047
1875	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876	aio_write $fh, 0, (length $data), $data, 0;	2049	aio_write $fh, 0, (length $data), $data, 0;
		2050	undef $fh;
		2051	aio_rename "$meta~", $meta;
1877		2052
1878	$exit->slaying ("?random/$md5");	2053	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2054	$exit->msg (undef);
1880	}	2055	}
1881	}	2056	}
1882		2057
1883	sub cf::object::player::enter_exit {	2058	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2059	my ($self, $exit) = @_;
1885		2060
1886	return unless $self->type == cf::PLAYER;	2061	return unless $self->type == cf::PLAYER;
		2062
		2063	if ($exit->slaying eq "/!") {
		2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2065	# the problem is that $exit might not survive long enough
		2066	# so it needs to be done right now, right here
		2067	cf::sync_job { prepare_random_map $exit };
		2068	}
		2069
		2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2071	my $hp = $exit->stats->hp;
		2072	my $sp = $exit->stats->sp;
1887		2073
1888	$self->enter_link;	2074	$self->enter_link;
1889		2075
1890	(async {	2076	(async {
1891	$self->deactivate_recursive; # just to be sure	2077	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	2078	unless (eval {
1893	prepare_random_map $exit	2079	$self->goto ($slaying, $hp, $sp);
1894	if $exit->slaying eq "/!";
1895
1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1898		2080
1899	1;	2081	1;
1900	}) {	2082	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2083	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "I'll try to bring you back to the map you were before. "	2084	. "I'll try to bring you back to the map you were before. "
1903	. "Please report this to the dungeon master!",	2085	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2086	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2087
1906	warn "ERROR in enter_exit: $@";	2088	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2089	$self->leave_link;
1908	}	2090	}
1909	})->prio (1);	2091	})->prio (1);
…		…
1922		2104
1923	sub cf::client::send_drawinfo {	2105	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2106	my ($self, $text, $flags) = @_;
1925		2107
1926	utf8::encode $text;	2108	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2110	}
1929		2111
		2112	=item $client->ext_event ($type, %msg)
		2113
		2114	Sends an exti event to the client.
		2115
		2116	=cut
		2117
		2118	sub cf::client::ext_event($$%) {
		2119	my ($self, $type, %msg) = @_;
		2120
		2121	$msg{msgtype} = "event_$type";
		2122	$self->send_packet ("ext " . cf::to_json \%msg);
		2123	}
1930		2124
1931	=item $success = $client->query ($flags, "text", \&cb)	2125	=item $success = $client->query ($flags, "text", \&cb)
1932		2126
1933	Queues a query to the client, calling the given callback with	2127	Queues a query to the client, calling the given callback with
1934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1963	# get handled first	2157	# get handled first
1964	my $queue = delete $ns->{query_queue}	2158	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	2159	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		2160
1967	(shift @$queue)->[1]->($msg);	2161	(shift @$queue)->[1]->($msg);
		2162	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2163
1969	push @{ $ns->{query_queue} }, @$queue;	2164	push @{ $ns->{query_queue} }, @$queue;
1970		2165
1971	if (@{ $ns->{query_queue} } == @$queue) {	2166	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2167	if (@$queue) {
…		…
2030		2225
2031	# here we export the classes and methods available to script code	2226	# here we export the classes and methods available to script code
2032		2227
2033	=pod	2228	=pod
2034		2229
2035	The following fucntions and emthods are available within a safe environment:	2230	The following functions and methods are available within a safe environment:
2036		2231
2037	cf::object contr pay_amount pay_player map	2232	cf::object contr pay_amount pay_player map
2038	cf::object::player player	2233	cf::object::player player
2039	cf::player peaceful	2234	cf::player peaceful
2040	cf::map trigger	2235	cf::map trigger
…		…
2125	#############################################################################	2320	#############################################################################
2126		2321
2127	=head2 EXTENSION DATABASE SUPPORT	2322	=head2 EXTENSION DATABASE SUPPORT
2128		2323
2129	Crossfire maintains a very simple database for extension use. It can	2324	Crossfire maintains a very simple database for extension use. It can
2130	currently store anything that can be serialised using Storable, which	2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2131	excludes objects.	2326	convert to/from binary).
2132		2327
2133	The parameter C<$family> should best start with the name of the extension	2328	The parameter C<$family> should best start with the name of the extension
2134	using it, it should be unique.	2329	using it, it should be unique.
2135		2330
2136	=over 4	2331	=over 4
2137		2332
2138	=item $hashref = cf::db_get $family
2139
2140	Return a hashref for use by the extension C<$family>, which can be
2141	modified. After modifications, you have to call C<cf::db_dirty> or
2142	C<cf::db_sync>.
2143
2144	=item $value = cf::db_get $family => $key	2333	=item $value = cf::db_get $family => $key
2145		2334
2146	Returns a single value from the database	2335	Returns a single value from the database.
2147
2148	=item cf::db_put $family => $hashref
2149
2150	Stores the given family hashref into the database. Updates are delayed, if
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2152		2336
2153	=item cf::db_put $family => $key => $value	2337	=item cf::db_put $family => $key => $value
2154		2338
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you	2339	Stores the given C<$value> in the family.
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165		2340
2166	=cut	2341	=cut
2167		2342
2168	our $DB;	2343	our $DB;
2169		2344
2170	{	2345	sub db_init {
2171	my $path = cf::localdir . "/database.pst";	2346	unless ($DB) {
		2347	$DB = BDB::db_create $DB_ENV;
2172		2348
2173	sub db_load() {	2349	cf::sync_job {
2174	$DB = stat $path ? Storable::retrieve $path : { };	2350	eval {
2175	}	2351	$DB->set_flags (BDB::CHKSUM);
2176		2352
2177	my $pid;	2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2178		2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2179	sub db_save() {	2355	cf::cleanup "db_open(db): $!" if $!;
2180	waitpid $pid, 0 if $pid;	2356	};
2181	if (0 == ($pid = fork)) {	2357	cf::cleanup "db_open(db): $@" if $@;
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}	2358	};
2187	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});	2359	}
		2360	}
2199		2361
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}
2204
2205	sub db_get($;$) {	2362	sub db_get($$) {
2206	@_ >= 2	2363	my $key = "$_[0]/$_[1]";
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210		2364
		2365	cf::sync_job {
		2366	BDB::db_get $DB, undef, $key, my $data;
		2367
		2368	$! ? ()
		2369	: $data
		2370	}
		2371	}
		2372
2211	sub db_put($$;$) {	2373	sub db_put($$$) {
2212	if (@_ >= 3) {	2374	BDB::dbreq_pri 4;
2213	$DB->{$_[0]}{$_[1]} = $_[2];	2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2214	} else {	2376	}
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219		2377
2220	cf::global->attach (	2378	=item cf::cache $id => [$paths...], $processversion => $process
2221	prio => 10000,	2379
2222	on_cleanup => sub {	2380	Generic caching function that returns the value of the resource $id,
2223	db_sync;	2381	caching and regenerating as required.
		2382
		2383	This function can block.
		2384
		2385	=cut
		2386
		2387	sub cache {
		2388	my ($id, $src, $processversion, $process) = @_;
		2389
		2390	my $meta =
		2391	join "\x00",
		2392	$processversion,
		2393	map {
		2394	aio_stat $_
		2395	and Carp::croak "$_: $!";
		2396
		2397	($_, (stat _)[7,9])
		2398	} @$src;
		2399
		2400	my $dbmeta = db_get cache => "$id/meta";
		2401	if ($dbmeta ne $meta) {
		2402	# changed, we may need to process
		2403
		2404	my @data;
		2405	my $md5;
		2406
		2407	for (0 .. $#$src) {
		2408	0 <= aio_load $src->[$_], $data[$_]
		2409	or Carp::croak "$src->[$_]: $!";
2224	},	2410	}
2225	);	2411
		2412	# if processing is expensive, check
		2413	# checksum first
		2414	if (1) {
		2415	$md5 =
		2416	join "\x00",
		2417	$processversion,
		2418	map {
		2419	Coro::cede;
		2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2421	} 0.. $#$src;
		2422
		2423
		2424	my $dbmd5 = db_get cache => "$id/md5";
		2425	if ($dbmd5 eq $md5) {
		2426	db_put cache => "$id/meta", $meta;
		2427
		2428	return db_get cache => "$id/data";
		2429	}
		2430	}
		2431
		2432	my $t1 = Time::HiRes::time;
		2433	my $data = $process->(\@data);
		2434	my $t2 = Time::HiRes::time;
		2435
		2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2437
		2438	db_put cache => "$id/data", $data;
		2439	db_put cache => "$id/md5" , $md5;
		2440	db_put cache => "$id/meta", $meta;
		2441
		2442	return $data;
		2443	}
		2444
		2445	db_get cache => "$id/data"
2226	}	2446	}
		2447
		2448	=item fork_call { }, $args
		2449
		2450	Executes the given code block with the given arguments in a seperate
		2451	process, returning the results. Everything must be serialisable with
		2452	Coro::Storable. May, of course, block. Note that the executed sub may
		2453	never block itself or use any form of Event handling.
		2454
		2455	=cut
		2456
		2457	sub fork_call(&@) {
		2458	my ($cb, @args) = @_;
		2459
		2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2461	# or die "socketpair: $!";
		2462	pipe my $fh1, my $fh2
		2463	or die "pipe: $!";
		2464
		2465	if (my $pid = fork) {
		2466	close $fh2;
		2467
		2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2469	$res = Coro::Storable::thaw $res;
		2470
		2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2472
		2473	die $$res unless "ARRAY" eq ref $res;
		2474
		2475	return wantarray ? @$res : $res->[-1];
		2476	} else {
		2477	reset_signals;
		2478	local $SIG{__WARN__};
		2479	local $SIG{__DIE__};
		2480	eval {
		2481	close $fh1;
		2482
		2483	my @res = eval { $cb->(@args) };
		2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2485	};
		2486
		2487	warn $@ if $@;
		2488	_exit 0;
		2489	}
		2490	}
		2491
		2492
2227		2493
2228	#############################################################################	2494	#############################################################################
2229	# the server's main()	2495	# the server's init and main functions
		2496
		2497	sub load_facedata($) {
		2498	my ($path) = @_;
		2499
		2500	warn "loading facedata from $path\n";
		2501
		2502	my $facedata;
		2503	0 < aio_load $path, $facedata
		2504	or die "$path: $!";
		2505
		2506	$facedata = Coro::Storable::thaw $facedata;
		2507
		2508	$facedata->{version} == 2
		2509	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2510
		2511	{
		2512	my $faces = $facedata->{faceinfo};
		2513
		2514	while (my ($face, $info) = each %$faces) {
		2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2519	Coro::cede;
		2520	}
		2521
		2522	while (my ($face, $info) = each %$faces) {
		2523	next unless $info->{smooth};
		2524	my $idx = cf::face::find $face
		2525	or next;
		2526	if (my $smooth = cf::face::find $info->{smooth}) {
		2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2528	} else {
		2529	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2530	}
		2531	Coro::cede;
		2532	}
		2533	}
		2534
		2535	{
		2536	my $anims = $facedata->{animinfo};
		2537
		2538	while (my ($anim, $info) = each %$anims) {
		2539	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2540	Coro::cede;
		2541	}
		2542
		2543	cf::anim::invalidate_all; # d'oh
		2544	}
		2545
		2546	1
		2547	}
		2548
		2549	sub reload_regions {
		2550	load_resource_file "$MAPDIR/regions"
		2551	or die "unable to load regions file\n";
		2552	}
		2553
		2554	sub reload_facedata {
		2555	load_facedata "$DATADIR/facedata"
		2556	or die "unable to load facedata\n";
		2557	}
		2558
		2559	sub reload_archetypes {
		2560	load_resource_file "$DATADIR/archetypes"
		2561	or die "unable to load archetypes\n";
		2562	}
		2563
		2564	sub reload_treasures {
		2565	load_resource_file "$DATADIR/treasures"
		2566	or die "unable to load treasurelists\n";
		2567	}
		2568
		2569	sub reload_resources {
		2570	warn "reloading resource files...\n";
		2571
		2572	reload_regions;
		2573	reload_facedata;
		2574	reload_archetypes;
		2575	reload_treasures;
		2576
		2577	warn "finished reloading resource files\n";
		2578	}
		2579
		2580	sub init {
		2581	reload_resources;
		2582	}
2230		2583
2231	sub cfg_load {	2584	sub cfg_load {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	2585	open my $fh, "<:utf8", "$CONFDIR/config"
2233	or return;	2586	or return;
2234		2587
2235	local $/;	2588	local $/;
2236	*CFG = YAML::Syck::Load <$fh>;	2589	*CFG = YAML::Syck::Load <$fh>;
2237		2590
…		…
2251		2604
2252	sub main {	2605	sub main {
2253	# we must not ever block the main coroutine	2606	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	2607	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2609	(async {
2256	async { Event::one_event };	2610	Event::one_event;
		2611	})->prio (Coro::PRIO_MAX);
2257	};	2612	};
2258		2613
2259	cfg_load;	2614	cfg_load;
2260	db_load;	2615	db_init;
2261	load_extensions;	2616	load_extensions;
		2617
		2618	$TICK_WATCHER->start;
2262	Event::loop;	2619	Event::loop;
2263	}	2620	}
2264		2621
2265	#############################################################################	2622	#############################################################################
2266	# initialisation and cleanup	2623	# initialisation and cleanup
2267		2624
2268	# install some emergency cleanup handlers	2625	# install some emergency cleanup handlers
2269	BEGIN {	2626	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	2627	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	2628	Event->signal (
		2629	reentrant => 0,
2272	data => WF_AUTOCANCEL,	2630	data => WF_AUTOCANCEL,
2273	signal => $signal,	2631	signal => $signal,
		2632	prio => 0,
2274	cb => sub {	2633	cb => sub {
2275	cf::cleanup "SIG$signal";	2634	cf::cleanup "SIG$signal";
2276	},	2635	},
2277	);	2636	);
2278	}	2637	}
2279	}	2638	}
…		…
2284	warn "enter emergency perl save\n";	2643	warn "enter emergency perl save\n";
2285		2644
2286	cf::sync_job {	2645	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	2646	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	2647	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	2648	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	2649	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	2650	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	2651	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	2652	$pl->valid or next;
2294	$pl->save;	2653	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	2659	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	2660	$map->valid or next;
2302	$map->save;	2661	$map->save;
2303	}	2662	}
2304	warn "end emergency map save\n";	2663	warn "end emergency map save\n";
		2664
		2665	warn "begin emergency database checkpoint\n";
		2666	BDB::db_env_txn_checkpoint $DB_ENV;
		2667	warn "end emergency database checkpoint\n";
2305	};	2668	};
2306		2669
2307	warn "leave emergency perl save\n";	2670	warn "leave emergency perl save\n";
2308	}	2671	}
2309		2672
		2673	sub post_cleanup {
		2674	my ($make_core) = @_;
		2675
		2676	warn Carp::longmess "post_cleanup backtrace"
		2677	if $make_core;
		2678	}
		2679
2310	sub reload() {	2680	sub do_reload_perl() {
2311	# can/must only be called in main	2681	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	2682	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	2683	warn "can only reload from main coroutine";
2314	return;	2684	return;
2315	}	2685	}
2316		2686
2317	warn "reloading...";	2687	warn "reloading...";
2318		2688
2319	warn "freezing server";	2689	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	2690
		2691	cf::sync_job {
		2692	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2693	cf::emergency_save;
		2694	cf::write_runtime; # external watchdog should not bark
2322		2695
2323	warn "sync database to disk";	2696	warn "syncing database to disk";
2324	cf::db_sync;	2697	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		2698
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved	2699	# if anything goes wrong in here, we should simply crash as we already saved
2329		2700
2330	warn "cancel all watchers";	2701	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	2702	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	2704	}
2334		2705
		2706	warn "flushing outstanding aio requests";
		2707	for (;;) {
		2708	BDB::flush;
		2709	IO::AIO::flush;
		2710	Coro::cede;
		2711	last unless IO::AIO::nreqs || BDB::nreqs;
		2712	warn "iterate...";
		2713	}
		2714
		2715	++$RELOAD;
		2716
2335	warn "cancel all extension coros";	2717	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	2718	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	2719	%EXT_CORO = ();
2338		2720
2339	warn "remove commands";	2721	warn "removing commands";
2340	%COMMAND = ();	2722	%COMMAND = ();
2341		2723
2342	warn "remove ext commands";	2724	warn "removing ext commands";
2343	%EXTCMD = ();	2725	%EXTCMD = ();
2344		2726
2345	warn "unload/nuke all extensions";	2727	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	2728	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	2729	warn "... unloading $pkg";
2348		2730
2349	if (my $cb = $pkg->can ("unload")) {	2731	if (my $cb = $pkg->can ("unload")) {
2350	eval {	2732	eval {
…		…
2355		2737
2356	warn "... nuking $pkg";	2738	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	2739	Symbol::delete_package $pkg;
2358	}	2740	}
2359		2741
2360	warn "unload all perl modules loaded from $LIBDIR";	2742	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	2743	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		2745
2364	warn "removing <$k>";	2746	warn "... unloading $k";
2365	delete $INC{$k};	2747	delete $INC{$k};
2366		2748
2367	$k =~ s/\.pm$//;	2749	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	2750	$k =~ s/\//::/g;
2369		2751
…		…
2372	}	2754	}
2373		2755
2374	Symbol::delete_package $k;	2756	Symbol::delete_package $k;
2375	}	2757	}
2376		2758
2377	warn "get rid of safe::, as good as possible";	2759	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	2760	Symbol::delete_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		2762
2381	warn "unload cf.pm \"a bit\"";	2763	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	2764	delete $INC{"cf.pm"};
		2765	delete $INC{"cf/pod.pm"};
2383		2766
2384	# don't, removes xs symbols, too,	2767	# don't, removes xs symbols, too,
2385	# and global variables created in xs	2768	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	2769	#Symbol::delete_package __PACKAGE__;
2387		2770
		2771	warn "unload completed, starting to reload now";
		2772
2388	warn "reloading cf.pm";	2773	warn "reloading cf.pm";
2389	require cf;	2774	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		2776
2392	warn "load config and database again";	2777	warn "loading config and database again";
2393	cf::cfg_load;	2778	cf::cfg_load;
2394	cf::db_load;
2395		2779
2396	warn "load extensions";	2780	warn "loading extensions";
2397	cf::load_extensions;	2781	cf::load_extensions;
2398		2782
2399	warn "reattach attachments to objects/players";	2783	warn "reattaching attachments to objects/players";
2400	_global_reattach;	2784	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	2785	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	2786	reattach $_ for values %MAP;
2403	};	2787	warn "reattaching attachments to players";
		2788	reattach $_ for values %PLAYER;
2404		2789
2405	if ($@) {	2790	warn "leaving sync_job";
		2791
		2792	1
		2793	} or do {
2406	warn $@;	2794	warn $@;
2407	warn "error while reloading, exiting.";	2795	warn "error while reloading, exiting.";
2408	exit 1;	2796	exit 1;
2409	}	2797	};
2410		2798
2411	warn "reloaded";	2799	warn "reloaded";
2412	};	2800	};
2413		2801
2414	#############################################################################	2802	our $RELOAD_WATCHER; # used only during reload
2415		2803
2416	unless ($LINK_MAP) {	2804	sub reload_perl() {
2417	$LINK_MAP = cf::map::new;	2805	# doing reload synchronously and two reloads happen back-to-back,
		2806	# coro crashes during coro_state_free->destroy here.
2418		2807
2419	$LINK_MAP->width (41);	2808	$RELOAD_WATCHER ||= Event->timer (
2420	$LINK_MAP->height (41);	2809	reentrant => 0,
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,	2810	after => 0,
		2811	data => WF_AUTOCANCEL,
2429	cb => sub {	2812	cb => sub {
2430	$_[0]->w->cancel;	2813	do_reload_perl;
2431		2814	undef $RELOAD_WATCHER;
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});	2815	},
2450		2816	);
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	2817	}
2456		2818
2457	register_command "reload" => sub {	2819	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	2820	my ($who, $arg) = @_;
2459		2821
2460	if ($who->flag (FLAG_WIZ)) {	2822	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	2823	$who->message ("reloading server.");
		2824	async { reload_perl };
2464	}	2825	}
2465	};	2826	};
2466		2827
2467	unshift @INC, $LIBDIR;	2828	unshift @INC, $LIBDIR;
		2829
		2830	my $bug_warning = 0;
		2831
		2832	our @WAIT_FOR_TICK;
		2833	our @WAIT_FOR_TICK_BEGIN;
		2834
		2835	sub wait_for_tick {
		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, $signal;
		2841	$signal->wait;
		2842	}
		2843
		2844	sub wait_for_tick_begin {
		2845	return unless $TICK_WATCHER->is_active;
		2846	return if $Coro::current == $Coro::main;
		2847
		2848	my $signal = new Coro::Signal;
		2849	push @WAIT_FOR_TICK_BEGIN, $signal;
		2850	$signal->wait;
		2851	}
2468		2852
2469	$TICK_WATCHER = Event->timer (	2853	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	2854	reentrant => 0,
		2855	parked => 1,
2471	prio => 0,	2856	prio => 0,
2472	at => $NEXT_TICK || $TICK,	2857	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	2858	data => WF_AUTOCANCEL,
2474	cb => sub {	2859	cb => sub {
		2860	if ($Coro::current != $Coro::main) {
		2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2862	unless ++$bug_warning > 10;
		2863	return;
		2864	}
		2865
2475	$NOW = Event::time;	2866	$NOW = $tick_start = Event::time;
2476		2867
2477	cf::server_tick; # one server iteration	2868	cf::server_tick; # one server iteration
		2869
2478	$RUNTIME += $TICK;	2870	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	2871	$NEXT_TICK += $TICK;
2480		2872
2481	$WAIT_FOR_TICK->broadcast;	2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2874	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2875	Coro::async_pool {
		2876	write_runtime
		2877	or warn "ERROR: unable to write runtime file: $!";
		2878	};
		2879	}
		2880
		2881	# my $AFTER = Event::time;
		2882	# warn $AFTER - $NOW;#d#
		2883
		2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2885	$sig->send;
		2886	}
		2887	while (my $sig = shift @WAIT_FOR_TICK) {
		2888	$sig->send;
		2889	}
		2890
		2891	$NOW = Event::time;
2483		2892
2484	# if we are delayed by four ticks or more, skip them all	2893	# if we are delayed by four ticks or more, skip them all
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2486		2895
2487	$TICK_WATCHER->at ($NEXT_TICK);	2896	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	2897	$TICK_WATCHER->start;
		2898
		2899	$LOAD = ($NOW - $tick_start) / $TICK;
		2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2901
		2902	_post_tick;
		2903
		2904
2489	},	2905	},
2490	);	2906	);
2491		2907
		2908	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	2909	BDB::max_poll_time $TICK * 0.1;
2493		2910	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	2911	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	2912	fd => BDB::poll_fileno,
2496	poll => 'r',	2913	poll => 'r',
2497	prio => 5,	2914	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	2915	data => WF_AUTOCANCEL,
2504	after => 0,	2916	cb => \&BDB::poll_cb,
2505	interval => 10,	2917	);
2506	cb => sub {	2918	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	2919
2508	write_runtime	2920	BDB::set_sync_prepare {
2509	or warn "ERROR: unable to write runtime file: $!";	2921	my $status;
		2922	my $current = $Coro::current;
		2923	(
		2924	sub {
		2925	$status = $!;
		2926	$current->ready; undef $current;
		2927	},
		2928	sub {
		2929	Coro::schedule while defined $current;
		2930	$! = $status;
		2931	},
		2932	)
		2933	};
		2934
		2935	unless ($DB_ENV) {
		2936	$DB_ENV = BDB::db_env_create;
		2937
		2938	cf::sync_job {
		2939	eval {
		2940	BDB::db_env_open
		2941	$DB_ENV,
		2942	$BDBDIR,
		2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2945	0666;
		2946
		2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2948
		2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2950	$DB_ENV->set_lk_detect;
		2951	};
		2952
		2953	cf::cleanup "db_env_open(db): $@" if $@;
2510	})->();	2954	};
2511	},	2955	}
2512	);	2956	}
		2957
		2958	{
		2959	IO::AIO::min_parallel 8;
		2960
		2961	undef $Coro::AIO::WATCHER;
		2962	IO::AIO::max_poll_time $TICK * 0.1;
		2963	$AIO_POLL_WATCHER = Event->io (
		2964	reentrant => 0,
		2965	data => WF_AUTOCANCEL,
		2966	fd => IO::AIO::poll_fileno,
		2967	poll => 'r',
		2968	prio => 6,
		2969	cb => \&IO::AIO::poll_cb,
		2970	);
		2971	}
		2972
		2973	my $_log_backtrace;
		2974
		2975	sub _log_backtrace {
		2976	my ($msg, @addr) = @_;
		2977
		2978	$msg =~ s/\n//;
		2979
		2980	# limit the # of concurrent backtraces
		2981	if ($_log_backtrace < 2) {
		2982	++$_log_backtrace;
		2983	async {
		2984	my @bt = fork_call {
		2985	@addr = map { sprintf "%x", $_ } @addr;
		2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		2988	or die "addr2line: $!";
		2989
		2990	my @funcs;
		2991	my @res = <$fh>;
		2992	chomp for @res;
		2993	while (@res) {
		2994	my ($func, $line) = splice @res, 0, 2, ();
		2995	push @funcs, "[$func] $line";
		2996	}
		2997
		2998	@funcs
		2999	};
		3000
		3001	LOG llevInfo, "[ABT] $msg\n";
		3002	LOG llevInfo, "[ABT] $_\n" for @bt;
		3003	--$_log_backtrace;
		3004	};
		3005	} else {
		3006	LOG llevInfo, "[ABT] $msg\n";
		3007	LOG llevInfo, "[ABT] [suppressed]\n";
		3008	}
		3009	}
		3010
		3011	# load additional modules
		3012	use cf::pod;
2513		3013
2514	END { cf::emergency_save }	3014	END { cf::emergency_save }
2515		3015
2516	1	3016	1
2517		3017

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