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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 1.275 by root, Thu Jun 7 19:12:22 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';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		194
148	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	196	# within the Safe compartment.
150	for my $pkg (qw(	197	for my $pkg (qw(
151	cf::global cf::attachable	198	cf::global cf::attachable
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	235	$d
189	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
190	}	237	}
191		238
192	use JSON::Syck (); # TODO# replace by JSON::PC once working	239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
193		240
194	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
195		242
196	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
197		244
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
206		246
207	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
208
209	=cut
210
211	sub to_json($) {
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
213	JSON::Syck::Dump $_[0]
214	}
215		248
216	=item cf::lock_wait $string	249	=item cf::lock_wait $string
217		250
218	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
219		252
…		…
225	returned.	258	returned.
226		259
227	Lock names should begin with a unique identifier (for example, cf::map::find	260	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
229		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
230	=cut	267	=cut
231		268
232	our %LOCK;	269	our %LOCK;
233		270
234	sub lock_wait($) {	271	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
255	}	292	}
256	}	293	}
257		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
258	sub freeze_mainloop {	301	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
260		303
261	my $guard = Coro::guard { $TICK_WATCHER->start };	304	my $guard = Coro::guard {
		305	$TICK_WATCHER->start;
		306	};
262	$TICK_WATCHER->stop;	307	$TICK_WATCHER->stop;
263	$guard	308	$guard
264	}	309	}
265		310
266	=item cf::async { BLOCK }	311	=item cf::async { BLOCK }
…		…
288		333
289	sub sync_job(&) {	334	sub sync_job(&) {
290	my ($job) = @_;	335	my ($job) = @_;
291		336
292	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
293	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
295		342
296	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
308		355
309	while ($busy) {	356	while ($busy) {
310	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
311	}	358	}
312		359
		360	$time = Event::time - $time;
		361
		362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		364
		365	$tick_start += $time; # do not account sync jobs to server load
		366
313	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
314	} else {	368	} else {
315	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
316		370
317	$job->()	371	$job->()
…		…
337		391
338	$coro	392	$coro
339	}	393	}
340		394
341	sub write_runtime {	395	sub write_runtime {
342	my $runtime = cf::localdir . "/runtime";	396	my $runtime = "$LOCALDIR/runtime";
		397
		398	# first touch the runtime file to show we are still running:
		399	# the fsync below can take a very very long time.
		400
		401	IO::AIO::aio_utime $runtime, undef, undef;
		402
		403	my $guard = cf::lock_acquire "write_runtime";
343		404
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345	or return;	406	or return;
346		407
		408	my $value = $cf::RUNTIME + 90 + 10;
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	409	# 10 is the runtime save interval, for a monotonic clock
		410	# 60 allows for the watchdog to kill the server.
		411
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0	412	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;	413	and return;
350		414
		415	# always fsync - this file is important
351	aio_fsync $fh	416	aio_fsync $fh
352	and return;	417	and return;
353		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
354	close $fh	422	close $fh
355	or return;	423	or return;
356		424
357	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
358	and return;	426	and return;
359		427
		428	warn "runtime file written.\n";
		429
360	1	430	1
361	}	431	}
362		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		442	}
		443
363	=back	444	=back
364		445
365	=cut	446	=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		447
543	#############################################################################	448	#############################################################################
544		449
545	=head2 ATTACHABLE OBJECTS	450	=head2 ATTACHABLE OBJECTS
546		451
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	577	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	578	our @CB_MAP = ();
674		579
675	my %attachment;	580	my %attachment;
676		581
		582	sub cf::attachable::thawer_merge {
		583	# simply override everything except _meta
		584	local $_[0]{_meta};
		585	%{$_[0]} = %{$_[1]};
		586	}
		587
677	sub _attach_cb($$$$) {	588	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	589	my ($registry, $event, $prio, $cb) = @_;
679		590
680	use sort 'stable';	591	use sort 'stable';
681		592
…		…
715	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
716		627
717	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
718	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
719	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
720	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
721		632
722	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
723	my $pkg = shift @arg;	634	my $pkg = shift @arg;
724		635
725	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
766	if (ref $_[0]) {	677	if (ref $_[0]) {
767	_object_attach @_;	678	_object_attach @_;
768	} else {	679	} else {
769	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
770	}	681	}
		682	_recalc_want;
771	};	683	};
772		684
773	# all those should be optimised	685	# all those should be optimised
774	sub cf::attachable::detach {	686	sub cf::attachable::detach {
775	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
778	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
779	reattach ($obj);	691	reattach ($obj);
780	} else {	692	} else {
781	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
782	}	694	}
		695	_recalc_want;
783	};	696	};
784		697
785	sub cf::attachable::attached {	698	sub cf::attachable::attached {
786	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
787		700
…		…
852	# object support	765	# object support
853		766
854	sub reattach {	767	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	768	# basically do the same as instantiate, without calling instantiate
856	my ($obj) = @_;	769	my ($obj) = @_;
		770
		771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857		772
858	my $registry = $obj->registry;	773	my $registry = $obj->registry;
859		774
860	@$registry = ();	775	@$registry = ();
861		776
…		…
908	$filename, length $$rdata, scalar @$objs;	823	$filename, length $$rdata, scalar @$objs;
909		824
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	826	chmod SAVE_MODE, $fh;
912	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
913	aio_fsync $fh;	828	aio_fsync $fh if $cf::USE_FSYNC;
914	close $fh;	829	close $fh;
915		830
916	if (@$objs) {	831	if (@$objs) {
917	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
918	chmod SAVE_MODE, $fh;	833	chmod SAVE_MODE, $fh;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	834	my $data = Storable::nfreeze { version => 1, objs => $objs };
920	aio_write $fh, 0, (length $data), $data, 0;	835	aio_write $fh, 0, (length $data), $data, 0;
921	aio_fsync $fh;	836	aio_fsync $fh if $cf::USE_FSYNC;
922	close $fh;	837	close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	838	aio_rename "$filename.pst~", "$filename.pst";
924	}	839	}
925	} else {	840	} else {
926	aio_unlink "$filename.pst";	841	aio_unlink "$filename.pst";
…		…
958	or return;	873	or return;
959	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
960	}	875	}
961		876
962	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
963	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
964	return ($data, $av);	879	return ($data, $av);
965	}	880	}
966		881
967	#############################################################################	882	#############################################################################
968	# command handling &c	883	# command handling &c
…		…
1048	"package $pkg; use strict; use utf8;\n"	963	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"	964	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })	965	. (do { local $/; <$fh> })
1051	. "\n};\n1";	966	. "\n};\n1";
1052		967
1053	eval $source	968	unless (eval $source) {
1054	or die $@ ? "$path: $@\n"	969	my $msg = $@ ? "$path: $@\n"
1055	: "extension disabled.\n";	970	: "extension disabled.\n";
		971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		972	warn $@;
		973	warn "mandatory extension failed to load, exiting.\n";
		974	exit 1;
		975	}
		976	die $@;
		977	}
1056		978
1057	push @EXTS, $pkg;	979	push @EXTS, $pkg;
1058	}	980	}
1059		981
1060	sub load_extensions {	982	sub load_extensions {
…		…
1066	} or warn "$ext not loaded: $@";	988	} or warn "$ext not loaded: $@";
1067	}	989	}
1068	}	990	}
1069		991
1070	#############################################################################	992	#############################################################################
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		993
1086	=head2 CORE EXTENSIONS	994	=head2 CORE EXTENSIONS
1087		995
1088	Functions and methods that extend core crossfire objects.	996	Functions and methods that extend core crossfire objects.
1089		997
…		…
1102	Returns the given player object, loading it if necessary (might block).	1010	Returns the given player object, loading it if necessary (might block).
1103		1011
1104	=cut	1012	=cut
1105		1013
1106	sub playerdir($) {	1014	sub playerdir($) {
1107	cf::localdir	1015	"$PLAYERDIR/"
1108	. "/"
1109	. cf::playerdir
1110	. "/"
1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1016	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	1017	}
1113		1018
1114	sub path($) {	1019	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1020	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		1021
1117	(playerdir $login) . "/$login.pl"	1022	(playerdir $login) . "/playerdata"
1118	}	1023	}
1119		1024
1120	sub find_active($) {	1025	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	1026	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	1027	and $cf::PLAYER{$_[0]}->active
…		…
1125		1030
1126	sub exists($) {	1031	sub exists($) {
1127	my ($login) = @_;	1032	my ($login) = @_;
1128		1033
1129	$cf::PLAYER{$login}	1034	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	1035	or cf::sync_job { !aio_stat path $login }
1131	}	1036	}
1132		1037
1133	sub find($) {	1038	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	1039	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	1040	my $login = $_[0];
1136		1041
1137	my $guard = cf::lock_acquire "user_find:$login";	1042	my $guard = cf::lock_acquire "user_find:$login";
1138		1043
1139	$cf::PLAYER{$_[0]} || do {	1044	$cf::PLAYER{$_[0]} || do {
		1045	# rename old playerfiles to new ones
		1046	#TODO: remove when no longer required
		1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1050	aio_unlink +(playerdir $login) . "/$login.pl";
		1051
1140	my $pl = load_pl path $login	1052	my $pl = load_pl path $login
1141	or return;	1053	or return;
1142	$cf::PLAYER{$login} = $pl	1054	$cf::PLAYER{$login} = $pl
1143	}	1055	}
1144	}	1056	}
…		…
1181		1093
1182	=cut	1094	=cut
1183		1095
1184	sub quit_character {	1096	sub quit_character {
1185	my ($pl) = @_;	1097	my ($pl) = @_;
		1098
		1099	my $name = $pl->ob->name;
1186		1100
1187	$pl->{deny_save} = 1;	1101	$pl->{deny_save} = 1;
1188	$pl->password ("*"); # this should lock out the player until we nuked the dir	1102	$pl->password ("*"); # this should lock out the player until we nuked the dir
1189		1103
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1195	my $path = playerdir $pl;	1109	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1110	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1111	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1112	delete $cf::PLAYER{$pl->ob->name};
1199	$pl->destroy;	1113	$pl->destroy;
		1114
		1115	my $prefix = qr<^~\Q$name\E/>;
		1116
		1117	# nuke player maps
		1118	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1119
1200	IO::AIO::aio_rmtree $temp;	1120	IO::AIO::aio_rmtree $temp;
		1121	}
		1122
		1123	=item $pl->kick
		1124
		1125	Kicks a player out of the game. This destroys the connection.
		1126
		1127	=cut
		1128
		1129	sub kick {
		1130	my ($pl, $kicker) = @_;
		1131
		1132	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1133	$pl->killer ("kicked");
		1134	$pl->ns->destroy;
1201	}	1135	}
1202		1136
1203	=item cf::player::list_logins	1137	=item cf::player::list_logins
1204		1138
1205	Returns am arrayref of all valid playernames in the system, can take a	1139	Returns am arrayref of all valid playernames in the system, can take a
1206	while and may block, so not sync_job-capable, ever.	1140	while and may block, so not sync_job-capable, ever.
1207		1141
1208	=cut	1142	=cut
1209		1143
1210	sub list_logins {	1144	sub list_logins {
1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1145	my $dirs = aio_readdir $PLAYERDIR
1212	or return [];	1146	or return [];
1213		1147
1214	my @logins;	1148	my @logins;
1215		1149
1216	for my $login (@$dirs) {	1150	for my $login (@$dirs) {
…		…
1225	\@logins	1159	\@logins
1226	}	1160	}
1227		1161
1228	=item $player->maps	1162	=item $player->maps
1229		1163
1230	Returns an arrayref of cf::path's of all maps that are private for this	1164	Returns an arrayref of map paths that are private for this
1231	player. May block.	1165	player. May block.
1232		1166
1233	=cut	1167	=cut
1234		1168
1235	sub maps($) {	1169	sub maps($) {
1236	my ($pl) = @_;	1170	my ($pl) = @_;
		1171
		1172	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1173
1238	my $files = aio_readdir playerdir $pl	1174	my $files = aio_readdir playerdir $pl
1239	or return;	1175	or return;
1240		1176
1241	my @paths;	1177	my @paths;
…		…
1243	for (@$files) {	1179	for (@$files) {
1244	utf8::decode $_;	1180	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1181	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1182	next unless /^$PATH_SEP/o;
1247		1183
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1184	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1185	}
1250		1186
1251	\@paths	1187	\@paths
1252	}	1188	}
1253		1189
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1190	=item $player->ext_reply ($msgid, %msg)
1255		1191
1256	Sends an ext reply to the player.	1192	Sends an ext reply to the player.
1257		1193
1258	=cut	1194	=cut
1259		1195
1260	sub ext_reply($$$%) {	1196	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1197	my ($self, $id, %msg) = @_;
1262		1198
1263	$msg{msgid} = $id;	1199	$msg{msgid} = $id;
1264		1200
1265	$self->send ("ext " . cf::to_json \%msg);	1201	$self->send ("ext " . cf::to_json \%msg);
1266	}	1202	}
1267		1203
1268	package cf;	1204	=item $player->ext_event ($type, %msg)
		1205
		1206	Sends an ext event to the client.
		1207
		1208	=cut
		1209
		1210	sub ext_event($$%) {
		1211	my ($self, $type, %msg) = @_;
		1212
		1213	$self->ns->ext_event ($type, %msg);
		1214	}
		1215
		1216	=head3 cf::region
		1217
		1218	=over 4
		1219
		1220	=cut
		1221
		1222	package cf::region;
		1223
		1224	=item cf::region::find_by_path $path
		1225
		1226	Tries to decuce the probable region for a map knowing only its path.
		1227
		1228	=cut
		1229
		1230	sub find_by_path($) {
		1231	my ($path) = @_;
		1232
		1233	my ($match, $specificity);
		1234
		1235	for my $region (list) {
		1236	if ($region->match && $path =~ $region->match) {
		1237	($match, $specificity) = ($region, $region->specificity)
		1238	if $region->specificity > $specificity;
		1239	}
		1240	}
		1241
		1242	$match
		1243	}
1269		1244
1270	=back	1245	=back
1271
1272		1246
1273	=head3 cf::map	1247	=head3 cf::map
1274		1248
1275	=over 4	1249	=over 4
1276		1250
…		…
1279	package cf::map;	1253	package cf::map;
1280		1254
1281	use Fcntl;	1255	use Fcntl;
1282	use Coro::AIO;	1256	use Coro::AIO;
1283		1257
		1258	use overload
		1259	'""' => \&as_string,
		1260	fallback => 1;
		1261
1284	our $MAX_RESET = 3600;	1262	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1263	our $DEFAULT_RESET = 3000;
1286		1264
1287	sub generate_random_map {	1265	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1266	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1267	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1268	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1272	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1273	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1279	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1280	)
1305	}	1281	}
1306		1282
		1283	=item cf::map->register ($regex, $prio)
		1284
		1285	Register a handler for the map path matching the given regex at the
		1286	givne priority (higher is better, built-in handlers have priority 0, the
		1287	default).
		1288
		1289	=cut
		1290
		1291	sub register {
		1292	my (undef, $regex, $prio) = @_;
		1293	my $pkg = caller;
		1294
		1295	no strict;
		1296	push @{"$pkg\::ISA"}, __PACKAGE__;
		1297
		1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1299	}
		1300
		1301	# also paths starting with '/'
		1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1303
		1304	sub thawer_merge {
		1305	my ($self, $merge) = @_;
		1306
		1307	# we have to keep some variables in memory intact
		1308	local $self->{path};
		1309	local $self->{load_path};
		1310
		1311	$self->SUPER::thawer_merge ($merge);
		1312	}
		1313
		1314	sub normalise {
		1315	my ($path, $base) = @_;
		1316
		1317	$path = "$path"; # make sure its a string
		1318
		1319	$path =~ s/\.map$//;
		1320
		1321	# map plan:
		1322	#
		1323	# /! non-realised random map exit (special hack!)
		1324	# {... are special paths that are not being touched
		1325	# ?xxx/... are special absolute paths
		1326	# ?random/... random maps
		1327	# /... normal maps
		1328	# ~user/... per-player map of a specific user
		1329
		1330	$path =~ s/$PATH_SEP/\//go;
		1331
		1332	# treat it as relative path if it starts with
		1333	# something that looks reasonable
		1334	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1335	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1336
		1337	$base =~ s{[^/]+/?$}{};
		1338	$path = "$base/$path";
		1339	}
		1340
		1341	for ($path) {
		1342	redo if s{//}{/};
		1343	redo if s{/\.?/}{/};
		1344	redo if s{/[^/]+/\.\./}{/};
		1345	}
		1346
		1347	$path
		1348	}
		1349
		1350	sub new_from_path {
		1351	my (undef, $path, $base) = @_;
		1352
		1353	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1354
		1355	$path = normalise $path, $base;
		1356
		1357	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1358	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1359	my $self = bless cf::map::new, $pkg;
		1360	$self->{path} = $path; $self->path ($path);
		1361	$self->init; # pass $1 etc.
		1362	return $self;
		1363	}
		1364	}
		1365
		1366	Carp::carp "unable to resolve path '$path' (base '$base').";
		1367	()
		1368	}
		1369
		1370	sub init {
		1371	my ($self) = @_;
		1372
		1373	$self
		1374	}
		1375
		1376	sub as_string {
		1377	my ($self) = @_;
		1378
		1379	"$self->{path}"
		1380	}
		1381
		1382	# the displayed name, this is a one way mapping
		1383	sub visible_name {
		1384	&as_string
		1385	}
		1386
		1387	# the original (read-only) location
		1388	sub load_path {
		1389	my ($self) = @_;
		1390
		1391	"$MAPDIR/$self->{path}.map"
		1392	}
		1393
		1394	# the temporary/swap location
		1395	sub save_path {
		1396	my ($self) = @_;
		1397
		1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1399	"$TMPDIR/$path.map"
		1400	}
		1401
		1402	# the unique path, undef == no special unique path
		1403	sub uniq_path {
		1404	my ($self) = @_;
		1405
		1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1407	"$UNIQUEDIR/$path"
		1408	}
		1409
1307	# and all this just because we cannot iterate over	1410	# and all this just because we cannot iterate over
1308	# all maps in C++...	1411	# all maps in C++...
1309	sub change_all_map_light {	1412	sub change_all_map_light {
1310	my ($change) = @_;	1413	my ($change) = @_;
1311		1414
1312	$_->change_map_light ($change)	1415	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1416	for grep $_->outdoor, values %cf::MAP;
1314	}	1417	}
1315		1418
		1419	sub decay_objects {
		1420	my ($self) = @_;
		1421
		1422	return if $self->{deny_reset};
		1423
		1424	$self->do_decay_objects;
		1425	}
		1426
		1427	sub unlink_save {
		1428	my ($self) = @_;
		1429
		1430	utf8::encode (my $save = $self->save_path);
		1431	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1432	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1433	}
		1434
1316	sub load_map_header($) {	1435	sub load_header_from($) {
1317	my ($path) = @_;	1436	my ($self, $path) = @_;
1318		1437
1319	utf8::encode $path;	1438	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1439	#aio_open $path, O_RDONLY, 0
		1440	# or return;
		1441
		1442	$self->_load_header ($path)
1321	or return;	1443	or return;
1322		1444
1323	my $map = cf::map::new	1445	$self->{load_path} = $path;
		1446
		1447	1
		1448	}
		1449
		1450	sub load_header_orig {
		1451	my ($self) = @_;
		1452
		1453	$self->load_header_from ($self->load_path)
		1454	}
		1455
		1456	sub load_header_temp {
		1457	my ($self) = @_;
		1458
		1459	$self->load_header_from ($self->save_path)
		1460	}
		1461
		1462	sub prepare_temp {
		1463	my ($self) = @_;
		1464
		1465	$self->last_access ((delete $self->{last_access})
		1466	|| $cf::RUNTIME); #d#
		1467	# safety
		1468	$self->{instantiate_time} = $cf::RUNTIME
		1469	if $self->{instantiate_time} > $cf::RUNTIME;
		1470	}
		1471
		1472	sub prepare_orig {
		1473	my ($self) = @_;
		1474
		1475	$self->{load_original} = 1;
		1476	$self->{instantiate_time} = $cf::RUNTIME;
		1477	$self->last_access ($cf::RUNTIME);
		1478	$self->instantiate;
		1479	}
		1480
		1481	sub load_header {
		1482	my ($self) = @_;
		1483
		1484	if ($self->load_header_temp) {
		1485	$self->prepare_temp;
		1486	} else {
		1487	$self->load_header_orig
1324	or return;	1488	or return;
		1489	$self->prepare_orig;
		1490	}
1325		1491
1326	# for better error messages only, will be overwritten later	1492	$self->{deny_reset} = 1
1327	$map->path ($path);	1493	if $self->no_reset;
1328		1494
1329	$map->load_header ($path)	1495	$self->default_region (cf::region::find_by_path $self->{path})
1330	or return;	1496	unless $self->default_region;
1331		1497
1332	$map->{load_path} = $path;	1498	1
1333
1334	$map
1335	}	1499	}
1336		1500
1337	sub find;	1501	sub find;
1338	sub find {	1502	sub find {
1339	my ($path, $origin) = @_;	1503	my ($path, $origin) = @_;
1340		1504
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1505	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1506
1346	cf::lock_wait "map_find:$key";	1507	cf::lock_wait "map_find:$path";
1347		1508
1348	$cf::MAP{$key} || do {	1509	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1510	my $guard = cf::lock_acquire "map_find:$path";
1350		1511	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;	1512	or return;
1365		1513
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;	1514	$map->{last_save} = $cf::RUNTIME;
1378		1515
1379	Coro::cede;	1516	$map->load_header
		1517	or return;
1380		1518
1381	if ($map->should_reset) {	1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1520	# doing this can freeze the server in a sync job, obviously
		1521	#$cf::WAIT_FOR_TICK->wait;
1382	$map->reset;	1522	$map->reset;
1383	undef $guard;	1523	undef $guard;
1384	$map = find $path	1524	return find $path;
1385	or return;
1386	}	1525	}
1387		1526
1388	$cf::MAP{$key} = $map	1527	$cf::MAP{$path} = $map
1389	}	1528	}
1390	}	1529	}
		1530
		1531	sub pre_load { }
		1532	sub post_load { }
1391		1533
1392	sub load {	1534	sub load {
1393	my ($self) = @_;	1535	my ($self) = @_;
1394		1536
		1537	local $self->{deny_reset} = 1; # loading can take a long time
		1538
1395	my $path = $self->{path};	1539	my $path = $self->{path};
		1540
		1541	{
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1542	my $guard = cf::lock_acquire "map_load:$path";
1397		1543
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1544	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1545
1400	$self->in_memory (cf::MAP_LOADING);	1546	$self->in_memory (cf::MAP_LOADING);
1401		1547
1402	$self->alloc;	1548	$self->alloc;
		1549
		1550	$self->pre_load;
		1551	Coro::cede;
		1552
1403	$self->load_objects ($self->{load_path}, 1)	1553	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1554	or return;
1405		1555
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1557	if delete $self->{load_original};
1408		1558
1409	if (my $uniq = $path->uniq_path) {	1559	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1560	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1561	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1562	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1563	$self->_load_objects ($uniq, 0);
1414	}	1564	}
1415	}	1565	}
1416		1566
1417	Coro::cede;	1567	Coro::cede;
1418
1419	# now do the right thing for maps	1568	# now do the right thing for maps
1420	$self->link_multipart_objects;	1569	$self->link_multipart_objects;
1421
1422	if ($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)	1570	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1571	unless $self->difficulty;
		1572	Coro::cede;
		1573
		1574	unless ($self->{deny_activate}) {
		1575	$self->decay_objects;
		1576	$self->fix_auto_apply;
		1577	$self->update_buttons;
		1578	Coro::cede;
		1579	$self->set_darkness_map;
		1580	Coro::cede;
1432	$self->activate;	1581	$self->activate;
1433	}	1582	}
1434		1583
1435	Coro::cede;
1436
1437	$self->in_memory (cf::MAP_IN_MEMORY);	1584	$self->in_memory (cf::MAP_IN_MEMORY);
		1585	}
		1586
		1587	$self->post_load;
		1588	}
		1589
		1590	sub customise_for {
		1591	my ($self, $ob) = @_;
		1592
		1593	return find "~" . $ob->name . "/" . $self->{path}
		1594	if $self->per_player;
		1595
		1596	# return find "?party/" . $ob->name . "/" . $self->{path}
		1597	# if $self->per_party;
		1598
		1599	$self
1438	}	1600	}
1439		1601
1440	# find and load all maps in the 3x3 area around a map	1602	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1603	sub load_diag {
1442	my ($map) = @_;	1604	my ($map) = @_;
…		…
1472		1634
1473	cf::sync_job { $map->load };	1635	cf::sync_job { $map->load };
1474	}	1636	}
1475		1637
1476	our %MAP_PREFETCH;	1638	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = Coro::async {	1639	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	$map->load;
1487	}
1488	Coro::schedule;
1489	}
1490	};
1491		1640
1492	sub find_async {	1641	sub find_async {
1493	my ($path, $origin) = @_;	1642	my ($path, $origin) = @_;
1494		1643
1495	$path = new cf::path $path, $origin && $origin->path;	1644	$path = normalise $path, $origin && $origin->{path};
1496	my $key = $path->as_string;
1497		1645
1498	if (my $map = $cf::MAP{$key}) {	1646	if (my $map = $cf::MAP{$path}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}	1648	}
1501		1649
1502	$MAP_PREFETCH{$key} = $path;	1650	undef $MAP_PREFETCH{$path};
		1651	$MAP_PREFETCHER ||= cf::async {
		1652	while (%MAP_PREFETCH) {
		1653	for my $path (keys %MAP_PREFETCH) {
		1654	my $map = find $path
		1655	or next;
		1656	$map->load;
		1657
		1658	delete $MAP_PREFETCH{$path};
		1659	}
		1660	}
		1661	undef $MAP_PREFETCHER;
		1662	};
1503	$MAP_PREFETCHER->ready;	1663	$MAP_PREFETCHER->prio (6);
1504		1664
1505	()	1665	()
1506	}	1666	}
1507		1667
1508	sub save {	1668	sub save {
…		…
1512		1672
1513	$self->{last_save} = $cf::RUNTIME;	1673	$self->{last_save} = $cf::RUNTIME;
1514		1674
1515	return unless $self->dirty;	1675	return unless $self->dirty;
1516		1676
1517	my $save = $self->{path}->save_path; utf8::encode $save;	1677	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1678	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		1679
1520	$self->{load_path} = $save;	1680	$self->{load_path} = $save;
1521		1681
1522	return if $self->{deny_save};	1682	return if $self->{deny_save};
1523		1683
…		…
1526	cf::async {	1686	cf::async {
1527	$_->contr->save for $self->players;	1687	$_->contr->save for $self->players;
1528	};	1688	};
1529		1689
1530	if ($uniq) {	1690	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	1693	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1694	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	1695	}
1536	}	1696	}
1537		1697
1538	sub swap_out {	1698	sub swap_out {
1539	my ($self) = @_;	1699	my ($self) = @_;
…		…
1553		1713
1554	sub reset_at {	1714	sub reset_at {
1555	my ($self) = @_;	1715	my ($self) = @_;
1556		1716
1557	# TODO: safety, remove and allow resettable per-player maps	1717	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};
1559	return 1e99 if $self->{deny_reset};	1718	return 1e99 if $self->{deny_reset};
1560		1719
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1720	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1721	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		1722
…		…
1568	my ($self) = @_;	1727	my ($self) = @_;
1569		1728
1570	$self->reset_at <= $cf::RUNTIME	1729	$self->reset_at <= $cf::RUNTIME
1571	}	1730	}
1572		1731
1573	sub rename {
1574	my ($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	$self->save;
1584	}
1585
1586	sub reset {	1732	sub reset {
1587	my ($self) = @_;	1733	my ($self) = @_;
1588		1734
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	1735	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		1736
1591	return if $self->players;	1737	return if $self->players;
1592	return if $self->{path}{user_rel};#d#
1593		1738
1594	warn "resetting map ", $self->path;#d#	1739	warn "resetting map ", $self->path;
		1740
		1741	$self->in_memory (cf::MAP_SWAPPED);
		1742
		1743	# need to save uniques path
		1744	unless ($self->{deny_save}) {
		1745	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1746
		1747	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1748	if $uniq;
		1749	}
1595		1750
1596	delete $cf::MAP{$self->path};	1751	delete $cf::MAP{$self->path};
1597		1752
		1753	$self->clear;
		1754
1598	$_->clear_links_to ($self) for values %cf::MAP;	1755	$_->clear_links_to ($self) for values %cf::MAP;
1599		1756
1600	$self->{path}->unlink_save;	1757	$self->unlink_save;
1601	$self->destroy;	1758	$self->destroy;
1602	}	1759	}
1603		1760
1604	my $nuke_counter = "aaaa";	1761	my $nuke_counter = "aaaa";
1605		1762
1606	sub nuke {	1763	sub nuke {
1607	my ($self) = @_;	1764	my ($self) = @_;
1608		1765
		1766	delete $cf::MAP{$self->path};
		1767
		1768	$self->unlink_save;
		1769
		1770	bless $self, "cf::map";
		1771	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	1772	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	1773	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1775
		1776	$cf::MAP{$self->path} = $self;
		1777
1612	$self->reset; # polite request, might not happen	1778	$self->reset; # polite request, might not happen
1613	}	1779	}
1614		1780
1615	=item cf::map::unique_maps	1781	=item cf::map::unique_maps
1616		1782
1617	Returns an arrayref of cf::path's of all shared maps that have	1783	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	1784	instantiated unique items. May block.
1619		1785
1620	=cut	1786	=cut
1621		1787
1622	sub unique_maps() {	1788	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1789	my $files = aio_readdir $UNIQUEDIR
1624	or return;	1790	or return;
1625		1791
1626	my @paths;	1792	my @paths;
1627		1793
1628	for (@$files) {	1794	for (@$files) {
1629	utf8::decode $_;	1795	utf8::decode $_;
1630	next if /\.pst$/;	1796	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;	1797	next unless /^$PATH_SEP/o;
1632		1798
1633	push @paths, new cf::path $_;	1799	push @paths, cf::map::normalise $_;
1634	}	1800	}
1635		1801
1636	\@paths	1802	\@paths
1637	}	1803	}
1638		1804
…		…
1713		1879
1714	=item $player_object->enter_link	1880	=item $player_object->enter_link
1715		1881
1716	Freezes the player and moves him/her to a special map (C<{link}>).	1882	Freezes the player and moves him/her to a special map (C<{link}>).
1717		1883
1718	The player should be reaosnably safe there for short amounts of time. You	1884	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.	1885	I<MUST> call C<leave_link> as soon as possible, though.
1720		1886
		1887	Will never block.
		1888
1721	=item $player_object->leave_link ($map, $x, $y)	1889	=item $player_object->leave_link ($map, $x, $y)
1722		1890
1723	Moves the player out of the specila link map onto the given map. If the	1891	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	1892	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	1893	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	1894	fails, to the emergency map position.
1727		1895
1728	Might block.	1896	Might block.
1729		1897
1730	=cut	1898	=cut
		1899
		1900	sub link_map {
		1901	unless ($LINK_MAP) {
		1902	$LINK_MAP = cf::map::find "{link}"
		1903	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1904	$LINK_MAP->load;
		1905	}
		1906
		1907	$LINK_MAP
		1908	}
1731		1909
1732	sub cf::object::player::enter_link {	1910	sub cf::object::player::enter_link {
1733	my ($self) = @_;	1911	my ($self) = @_;
1734		1912
1735	$self->deactivate_recursive;	1913	$self->deactivate_recursive;
1736		1914
1737	return if $self->map == $LINK_MAP;	1915	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		1916
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1917	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	1918	if $self->map && $self->map->{path} ne "{link}";
1741		1919
1742	$self->enter_map ($LINK_MAP, 20, 20);	1920	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	1921	}
1744		1922
1745	sub cf::object::player::leave_link {	1923	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	1924	my ($self, $map, $x, $y) = @_;
		1925
		1926	return unless $self->contr->active;
1747		1927
1748	my $link_pos = delete $self->{_link_pos};	1928	my $link_pos = delete $self->{_link_pos};
1749		1929
1750	unless ($map) {	1930	unless ($map) {
1751	# restore original map position	1931	# restore original map position
…		…
1769	$map->load;	1949	$map->load;
1770	$map->load_diag;	1950	$map->load_diag;
1771		1951
1772	return unless $self->contr->active;	1952	return unless $self->contr->active;
1773	$self->activate_recursive;	1953	$self->activate_recursive;
		1954
		1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	1956	$self->enter_map ($map, $x, $y);
1775	}	1957	}
1776		1958
1777	cf::player->attach (
1778	on_logout => sub {
1779	my ($pl) = @_;
1780
1781	# abort map switching before logout
1782	if ($pl->ob->{_link_pos}) {
1783	cf::sync_job {
1784	$pl->ob->leave_link
1785	};
1786	}
1787	},
1788	on_login => sub {
1789	my ($pl) = @_;
1790
1791	# try to abort aborted map switching on player login :)
1792	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;
1795	(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,
1799	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);
1802	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;
1804	})->prio (2);
1805	}
1806	},
1807	);
1808
1809	=item $player_object->goto ($path, $x, $y)	1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1810		1960
		1961	Moves the player to the given map-path and coordinates by first freezing
		1962	her, loading and preparing them map, calling the provided $check callback
		1963	that has to return the map if sucecssful, and then unfreezes the player on
		1964	the new (success) or old (failed) map position.
		1965
1811	=cut	1966	=cut
		1967
		1968	our $GOTOGEN;
1812		1969
1813	sub cf::object::player::goto {	1970	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	1971	my ($self, $path, $x, $y, $check) = @_;
1815		1972
1816	$path = new cf::path $path;	1973	# do generation counting so two concurrent goto's will be executed in-order
		1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1817		1975
1818	$self->enter_link;	1976	$self->enter_link;
1819		1977
1820	(async {	1978	(async {
		1979	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	1980	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;
1823		1981
1824	# warn "entering ", $map->path, " at ($x, $y)\n"
1825	# if $map;	1982	if ($map) {
1826		1983	$map = $map->customise_for ($self);
		1984	$map = $check->($map) if $check && $map;
		1985	} else {
1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1986	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1987	}
1828		1988
		1989	$map
		1990	};
		1991
		1992	if ($@) {
		1993	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		1994	LOG llevError | logBacktrace, Carp::longmess $@;
		1995	}
		1996
		1997	if ($gen == $self->{_goto_generation}) {
		1998	delete $self->{_goto_generation};
1829	$self->leave_link ($map, $x, $y);	1999	$self->leave_link ($map, $x, $y);
		2000	}
1830	})->prio (1);	2001	})->prio (1);
1831	}	2002	}
1832		2003
1833	=item $player_object->enter_exit ($exit_object)	2004	=item $player_object->enter_exit ($exit_object)
1834		2005
…		…
1836		2007
1837	sub parse_random_map_params {	2008	sub parse_random_map_params {
1838	my ($spec) = @_;	2009	my ($spec) = @_;
1839		2010
1840	my $rmp = { # defaults	2011	my $rmp = { # defaults
1841	xsize => 10,	2012	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	2013	ysize => (cf::rndm 15, 40),
		2014	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2015	#layout => string,
1843	};	2016	};
1844		2017
1845	for (split /\n/, $spec) {	2018	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	2019	my ($k, $v) = split /\s+/, $_, 2;
1847		2020
…		…
1851	$rmp	2024	$rmp
1852	}	2025	}
1853		2026
1854	sub prepare_random_map {	2027	sub prepare_random_map {
1855	my ($exit) = @_;	2028	my ($exit) = @_;
		2029
		2030	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		2031
1857	# all this does is basically replace the /! path by	2032	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	2033	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	2034	# that depends on the exit object
1860		2035
1861	my $rmp = parse_random_map_params $exit->msg;	2036	my $rmp = parse_random_map_params $exit->msg;
1862		2037
1863	if ($exit->map) {	2038	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	2039	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	2040	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	2041	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	2042	$rmp->{origin_y} = $exit->y;
1868	}	2043	}
1869		2044
1870	$rmp->{random_seed} ||= $exit->random_seed;	2045	$rmp->{random_seed} ||= $exit->random_seed;
1871		2046
1872	my $data = cf::to_json $rmp;	2047	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	2048	my $md5 = Digest::MD5::md5_hex $data;
		2049	my $meta = "$RANDOMDIR/$md5.meta";
1874		2050
1875	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2051	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876	aio_write $fh, 0, (length $data), $data, 0;	2052	aio_write $fh, 0, (length $data), $data, 0;
		2053	undef $fh;
		2054	aio_rename "$meta~", $meta;
1877		2055
1878	$exit->slaying ("?random/$md5");	2056	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2057	$exit->msg (undef);
1880	}	2058	}
1881	}	2059	}
1882		2060
1883	sub cf::object::player::enter_exit {	2061	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2062	my ($self, $exit) = @_;
1885		2063
1886	return unless $self->type == cf::PLAYER;	2064	return unless $self->type == cf::PLAYER;
		2065
		2066	if ($exit->slaying eq "/!") {
		2067	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2068	# the problem is that $exit might not survive long enough
		2069	# so it needs to be done right now, right here
		2070	cf::sync_job { prepare_random_map $exit };
		2071	}
		2072
		2073	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2074	my $hp = $exit->stats->hp;
		2075	my $sp = $exit->stats->sp;
1887		2076
1888	$self->enter_link;	2077	$self->enter_link;
1889		2078
1890	(async {	2079	(async {
1891	$self->deactivate_recursive; # just to be sure	2080	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	2081	unless (eval {
1893	prepare_random_map $exit	2082	$self->goto ($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		2083
1899	1;	2084	1;
1900	}) {	2085	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2086	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "I'll try to bring you back to the map you were before. "	2087	. "I'll try to bring you back to the map you were before. "
1903	. "Please report this to the dungeon master!",	2088	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2089	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2090
1906	warn "ERROR in enter_exit: $@";	2091	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2092	$self->leave_link;
1908	}	2093	}
1909	})->prio (1);	2094	})->prio (1);
…		…
1922		2107
1923	sub cf::client::send_drawinfo {	2108	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2109	my ($self, $text, $flags) = @_;
1925		2110
1926	utf8::encode $text;	2111	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2113	}
1929		2114
		2115	=item $client->ext_event ($type, %msg)
		2116
		2117	Sends an exti event to the client.
		2118
		2119	=cut
		2120
		2121	sub cf::client::ext_event($$%) {
		2122	my ($self, $type, %msg) = @_;
		2123
		2124	$msg{msgtype} = "event_$type";
		2125	$self->send_packet ("ext " . cf::to_json \%msg);
		2126	}
1930		2127
1931	=item $success = $client->query ($flags, "text", \&cb)	2128	=item $success = $client->query ($flags, "text", \&cb)
1932		2129
1933	Queues a query to the client, calling the given callback with	2130	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>,	2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1963	# get handled first	2160	# get handled first
1964	my $queue = delete $ns->{query_queue}	2161	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	2162	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		2163
1967	(shift @$queue)->[1]->($msg);	2164	(shift @$queue)->[1]->($msg);
		2165	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2166
1969	push @{ $ns->{query_queue} }, @$queue;	2167	push @{ $ns->{query_queue} }, @$queue;
1970		2168
1971	if (@{ $ns->{query_queue} } == @$queue) {	2169	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2170	if (@$queue) {
…		…
2030		2228
2031	# here we export the classes and methods available to script code	2229	# here we export the classes and methods available to script code
2032		2230
2033	=pod	2231	=pod
2034		2232
2035	The following fucntions and emthods are available within a safe environment:	2233	The following functions and methods are available within a safe environment:
2036		2234
2037	cf::object contr pay_amount pay_player map	2235	cf::object contr pay_amount pay_player map
2038	cf::object::player player	2236	cf::object::player player
2039	cf::player peaceful	2237	cf::player peaceful
2040	cf::map trigger	2238	cf::map trigger
…		…
2125	#############################################################################	2323	#############################################################################
2126		2324
2127	=head2 EXTENSION DATABASE SUPPORT	2325	=head2 EXTENSION DATABASE SUPPORT
2128		2326
2129	Crossfire maintains a very simple database for extension use. It can	2327	Crossfire maintains a very simple database for extension use. It can
2130	currently store anything that can be serialised using Storable, which	2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2131	excludes objects.	2329	convert to/from binary).
2132		2330
2133	The parameter C<$family> should best start with the name of the extension	2331	The parameter C<$family> should best start with the name of the extension
2134	using it, it should be unique.	2332	using it, it should be unique.
2135		2333
2136	=over 4	2334	=over 4
2137		2335
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	2336	=item $value = cf::db_get $family => $key
2145		2337
2146	Returns a single value from the database	2338	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		2339
2153	=item cf::db_put $family => $key => $value	2340	=item cf::db_put $family => $key => $value
2154		2341
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you	2342	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		2343
2166	=cut	2344	=cut
2167		2345
2168	our $DB;	2346	our $DB;
2169		2347
2170	{	2348	sub db_init {
2171	my $path = cf::localdir . "/database.pst";	2349	unless ($DB) {
		2350	$DB = BDB::db_create $DB_ENV;
2172		2351
2173	sub db_load() {	2352	cf::sync_job {
2174	$DB = stat $path ? Storable::retrieve $path : { };	2353	eval {
2175	}	2354	$DB->set_flags (BDB::CHKSUM);
2176		2355
2177	my $pid;	2356	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2178		2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2179	sub db_save() {	2358	cf::cleanup "db_open(db): $!" if $!;
2180	waitpid $pid, 0 if $pid;	2359	};
2181	if (0 == ($pid = fork)) {	2360	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	}	2361	};
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	});	2362	}
		2363	}
2199		2364
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}
2204
2205	sub db_get($;$) {	2365	sub db_get($$) {
2206	@_ >= 2	2366	my $key = "$_[0]/$_[1]";
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210		2367
		2368	cf::sync_job {
		2369	BDB::db_get $DB, undef, $key, my $data;
		2370
		2371	$! ? ()
		2372	: $data
		2373	}
		2374	}
		2375
2211	sub db_put($$;$) {	2376	sub db_put($$$) {
2212	if (@_ >= 3) {	2377	BDB::dbreq_pri 4;
2213	$DB->{$_[0]}{$_[1]} = $_[2];	2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2214	} else {	2379	}
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219		2380
2220	cf::global->attach (	2381	=item cf::cache $id => [$paths...], $processversion => $process
2221	prio => 10000,	2382
2222	on_cleanup => sub {	2383	Generic caching function that returns the value of the resource $id,
2223	db_sync;	2384	caching and regenerating as required.
		2385
		2386	This function can block.
		2387
		2388	=cut
		2389
		2390	sub cache {
		2391	my ($id, $src, $processversion, $process) = @_;
		2392
		2393	my $meta =
		2394	join "\x00",
		2395	$processversion,
		2396	map {
		2397	aio_stat $_
		2398	and Carp::croak "$_: $!";
		2399
		2400	($_, (stat _)[7,9])
		2401	} @$src;
		2402
		2403	my $dbmeta = db_get cache => "$id/meta";
		2404	if ($dbmeta ne $meta) {
		2405	# changed, we may need to process
		2406
		2407	my @data;
		2408	my $md5;
		2409
		2410	for (0 .. $#$src) {
		2411	0 <= aio_load $src->[$_], $data[$_]
		2412	or Carp::croak "$src->[$_]: $!";
2224	},	2413	}
2225	);	2414
		2415	# if processing is expensive, check
		2416	# checksum first
		2417	if (1) {
		2418	$md5 =
		2419	join "\x00",
		2420	$processversion,
		2421	map {
		2422	Coro::cede;
		2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2424	} 0.. $#$src;
		2425
		2426
		2427	my $dbmd5 = db_get cache => "$id/md5";
		2428	if ($dbmd5 eq $md5) {
		2429	db_put cache => "$id/meta", $meta;
		2430
		2431	return db_get cache => "$id/data";
		2432	}
		2433	}
		2434
		2435	my $t1 = Time::HiRes::time;
		2436	my $data = $process->(\@data);
		2437	my $t2 = Time::HiRes::time;
		2438
		2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2440
		2441	db_put cache => "$id/data", $data;
		2442	db_put cache => "$id/md5" , $md5;
		2443	db_put cache => "$id/meta", $meta;
		2444
		2445	return $data;
		2446	}
		2447
		2448	db_get cache => "$id/data"
		2449	}
		2450
		2451	=item fork_call { }, $args
		2452
		2453	Executes the given code block with the given arguments in a seperate
		2454	process, returning the results. Everything must be serialisable with
		2455	Coro::Storable. May, of course, block. Note that the executed sub may
		2456	never block itself or use any form of Event handling.
		2457
		2458	=cut
		2459
		2460	sub fork_call(&@) {
		2461	my ($cb, @args) = @_;
		2462
		2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2464	# or die "socketpair: $!";
		2465	pipe my $fh1, my $fh2
		2466	or die "pipe: $!";
		2467
		2468	if (my $pid = fork) {
		2469	close $fh2;
		2470
		2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2472	$res = Coro::Storable::thaw $res;
		2473
		2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2475
		2476	die $$res unless "ARRAY" eq ref $res;
		2477
		2478	return wantarray ? @$res : $res->[-1];
		2479	} else {
		2480	reset_signals;
		2481	local $SIG{__WARN__};
		2482	local $SIG{__DIE__};
		2483	eval {
		2484	close $fh1;
		2485
		2486	my @res = eval { $cb->(@args) };
		2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2488	};
		2489
		2490	warn $@ if $@;
		2491	_exit 0;
		2492	}
2226	}	2493	}
2227		2494
2228	#############################################################################	2495	#############################################################################
2229	# the server's main()	2496	# the server's init and main functions
		2497
		2498	sub load_facedata($) {
		2499	my ($path) = @_;
		2500
		2501	warn "loading facedata from $path\n";
		2502
		2503	my $facedata;
		2504	0 < aio_load $path, $facedata
		2505	or die "$path: $!";
		2506
		2507	$facedata = Coro::Storable::thaw $facedata;
		2508
		2509	$facedata->{version} == 2
		2510	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2511
		2512	{
		2513	my $faces = $facedata->{faceinfo};
		2514
		2515	while (my ($face, $info) = each %$faces) {
		2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2520	Coro::cede;
		2521	}
		2522
		2523	while (my ($face, $info) = each %$faces) {
		2524	next unless $info->{smooth};
		2525	my $idx = cf::face::find $face
		2526	or next;
		2527	if (my $smooth = cf::face::find $info->{smooth}) {
		2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2529	} else {
		2530	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2531	}
		2532	Coro::cede;
		2533	}
		2534	}
		2535
		2536	{
		2537	my $anims = $facedata->{animinfo};
		2538
		2539	while (my ($anim, $info) = each %$anims) {
		2540	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2541	Coro::cede;
		2542	}
		2543
		2544	cf::anim::invalidate_all; # d'oh
		2545	}
		2546
		2547	1
		2548	}
		2549
		2550	sub reload_regions {
		2551	load_resource_file "$MAPDIR/regions"
		2552	or die "unable to load regions file\n";
		2553	}
		2554
		2555	sub reload_facedata {
		2556	load_facedata "$DATADIR/facedata"
		2557	or die "unable to load facedata\n";
		2558	}
		2559
		2560	sub reload_archetypes {
		2561	load_resource_file "$DATADIR/archetypes"
		2562	or die "unable to load archetypes\n";
		2563	}
		2564
		2565	sub reload_treasures {
		2566	load_resource_file "$DATADIR/treasures"
		2567	or die "unable to load treasurelists\n";
		2568	}
		2569
		2570	sub reload_resources {
		2571	warn "reloading resource files...\n";
		2572
		2573	reload_regions;
		2574	reload_facedata;
		2575	#reload_archetypes;#d#
		2576	reload_archetypes;
		2577	reload_treasures;
		2578
		2579	warn "finished reloading resource files\n";
		2580	}
		2581
		2582	sub init {
		2583	reload_resources;
		2584	}
2230		2585
2231	sub cfg_load {	2586	sub cfg_load {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	2587	open my $fh, "<:utf8", "$CONFDIR/config"
2233	or return;	2588	or return;
2234		2589
2235	local $/;	2590	local $/;
2236	*CFG = YAML::Syck::Load <$fh>;	2591	*CFG = YAML::Syck::Load <$fh>;
2237		2592
…		…
2251		2606
2252	sub main {	2607	sub main {
2253	# we must not ever block the main coroutine	2608	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	2609	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2611	(async {
2256	async { Event::one_event };	2612	Event::one_event;
		2613	})->prio (Coro::PRIO_MAX);
2257	};	2614	};
2258		2615
2259	cfg_load;	2616	cfg_load;
2260	db_load;	2617	db_init;
2261	load_extensions;	2618	load_extensions;
		2619
		2620	$TICK_WATCHER->start;
2262	Event::loop;	2621	Event::loop;
2263	}	2622	}
2264		2623
2265	#############################################################################	2624	#############################################################################
2266	# initialisation and cleanup	2625	# initialisation and cleanup
2267		2626
2268	# install some emergency cleanup handlers	2627	# install some emergency cleanup handlers
2269	BEGIN {	2628	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	2629	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	2630	Event->signal (
		2631	reentrant => 0,
2272	data => WF_AUTOCANCEL,	2632	data => WF_AUTOCANCEL,
2273	signal => $signal,	2633	signal => $signal,
		2634	prio => 0,
2274	cb => sub {	2635	cb => sub {
2275	cf::cleanup "SIG$signal";	2636	cf::cleanup "SIG$signal";
2276	},	2637	},
2277	);	2638	);
2278	}	2639	}
2279	}	2640	}
…		…
2284	warn "enter emergency perl save\n";	2645	warn "enter emergency perl save\n";
2285		2646
2286	cf::sync_job {	2647	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	2648	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	2649	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	2650	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	2651	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	2652	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	2653	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	2654	$pl->valid or next;
2294	$pl->save;	2655	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	2661	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	2662	$map->valid or next;
2302	$map->save;	2663	$map->save;
2303	}	2664	}
2304	warn "end emergency map save\n";	2665	warn "end emergency map save\n";
		2666
		2667	warn "begin emergency database checkpoint\n";
		2668	BDB::db_env_txn_checkpoint $DB_ENV;
		2669	warn "end emergency database checkpoint\n";
2305	};	2670	};
2306		2671
2307	warn "leave emergency perl save\n";	2672	warn "leave emergency perl save\n";
2308	}	2673	}
2309		2674
		2675	sub post_cleanup {
		2676	my ($make_core) = @_;
		2677
		2678	warn Carp::longmess "post_cleanup backtrace"
		2679	if $make_core;
		2680	}
		2681
2310	sub reload() {	2682	sub do_reload_perl() {
2311	# can/must only be called in main	2683	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	2684	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	2685	warn "can only reload from main coroutine";
2314	return;	2686	return;
2315	}	2687	}
2316		2688
2317	warn "reloading...";	2689	warn "reloading...";
2318		2690
2319	warn "freezing server";	2691	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	2692
		2693	cf::sync_job {
		2694	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2695	cf::emergency_save;
		2696	cf::write_runtime; # external watchdog should not bark
2322		2697
2323	warn "sync database to disk";	2698	warn "syncing database to disk";
2324	cf::db_sync;	2699	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		2700
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved	2701	# if anything goes wrong in here, we should simply crash as we already saved
2329		2702
2330	warn "cancel all watchers";	2703	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	2704	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	2705	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	2706	}
2334		2707
		2708	warn "flushing outstanding aio requests";
		2709	for (;;) {
		2710	BDB::flush;
		2711	IO::AIO::flush;
		2712	Coro::cede;
		2713	last unless IO::AIO::nreqs || BDB::nreqs;
		2714	warn "iterate...";
		2715	}
		2716
		2717	++$RELOAD;
		2718
2335	warn "cancel all extension coros";	2719	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	2720	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	2721	%EXT_CORO = ();
2338		2722
2339	warn "remove commands";	2723	warn "removing commands";
2340	%COMMAND = ();	2724	%COMMAND = ();
2341		2725
2342	warn "remove ext commands";	2726	warn "removing ext commands";
2343	%EXTCMD = ();	2727	%EXTCMD = ();
2344		2728
2345	warn "unload/nuke all extensions";	2729	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	2730	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	2731	warn "... unloading $pkg";
2348		2732
2349	if (my $cb = $pkg->can ("unload")) {	2733	if (my $cb = $pkg->can ("unload")) {
2350	eval {	2734	eval {
…		…
2355		2739
2356	warn "... nuking $pkg";	2740	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	2741	Symbol::delete_package $pkg;
2358	}	2742	}
2359		2743
2360	warn "unload all perl modules loaded from $LIBDIR";	2744	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	2745	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2746	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		2747
2364	warn "removing <$k>";	2748	warn "... unloading $k";
2365	delete $INC{$k};	2749	delete $INC{$k};
2366		2750
2367	$k =~ s/\.pm$//;	2751	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	2752	$k =~ s/\//::/g;
2369		2753
…		…
2372	}	2756	}
2373		2757
2374	Symbol::delete_package $k;	2758	Symbol::delete_package $k;
2375	}	2759	}
2376		2760
2377	warn "get rid of safe::, as good as possible";	2761	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	2762	Symbol::delete_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2763	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		2764
2381	warn "unload cf.pm \"a bit\"";	2765	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	2766	delete $INC{"cf.pm"};
		2767	delete $INC{"cf/pod.pm"};
2383		2768
2384	# don't, removes xs symbols, too,	2769	# don't, removes xs symbols, too,
2385	# and global variables created in xs	2770	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	2771	#Symbol::delete_package __PACKAGE__;
2387		2772
		2773	warn "unload completed, starting to reload now";
		2774
2388	warn "reloading cf.pm";	2775	warn "reloading cf.pm";
2389	require cf;	2776	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		2778
2392	warn "load config and database again";	2779	warn "loading config and database again";
2393	cf::cfg_load;	2780	cf::cfg_load;
2394	cf::db_load;
2395		2781
2396	warn "load extensions";	2782	warn "loading extensions";
2397	cf::load_extensions;	2783	cf::load_extensions;
2398		2784
2399	warn "reattach attachments to objects/players";	2785	warn "reattaching attachments to objects/players";
2400	_global_reattach;	2786	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	2787	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	2788	reattach $_ for values %MAP;
2403	};	2789	warn "reattaching attachments to players";
		2790	reattach $_ for values %PLAYER;
2404		2791
2405	if ($@) {	2792	warn "leaving sync_job";
		2793
		2794	1
		2795	} or do {
2406	warn $@;	2796	warn $@;
2407	warn "error while reloading, exiting.";	2797	warn "error while reloading, exiting.";
2408	exit 1;	2798	exit 1;
2409	}	2799	};
2410		2800
2411	warn "reloaded";	2801	warn "reloaded";
2412	};	2802	};
2413		2803
2414	#############################################################################	2804	our $RELOAD_WATCHER; # used only during reload
2415		2805
2416	unless ($LINK_MAP) {	2806	sub reload_perl() {
2417	$LINK_MAP = cf::map::new;	2807	# doing reload synchronously and two reloads happen back-to-back,
		2808	# coro crashes during coro_state_free->destroy here.
2418		2809
2419	$LINK_MAP->width (41);	2810	$RELOAD_WATCHER ||= Event->timer (
2420	$LINK_MAP->height (41);	2811	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,	2812	after => 0,
		2813	data => WF_AUTOCANCEL,
2429	cb => sub {	2814	cb => sub {
2430	$_[0]->w->cancel;	2815	do_reload_perl;
2431		2816	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	});	2817	},
2450		2818	);
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	2819	}
2456		2820
2457	register_command "reload" => sub {	2821	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	2822	my ($who, $arg) = @_;
2459		2823
2460	if ($who->flag (FLAG_WIZ)) {	2824	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	2825	$who->message ("reloading server.");
		2826	async { reload_perl };
2464	}	2827	}
2465	};	2828	};
2466		2829
2467	unshift @INC, $LIBDIR;	2830	unshift @INC, $LIBDIR;
2468		2831
		2832	my $bug_warning = 0;
		2833
		2834	our @WAIT_FOR_TICK;
		2835	our @WAIT_FOR_TICK_BEGIN;
		2836
		2837	sub wait_for_tick {
		2838	return unless $TICK_WATCHER->is_active;
		2839	return if $Coro::current == $Coro::main;
		2840
		2841	my $signal = new Coro::Signal;
		2842	push @WAIT_FOR_TICK, $signal;
		2843	$signal->wait;
		2844	}
		2845
		2846	sub wait_for_tick_begin {
		2847	return unless $TICK_WATCHER->is_active;
		2848	return if $Coro::current == $Coro::main;
		2849
		2850	my $signal = new Coro::Signal;
		2851	push @WAIT_FOR_TICK_BEGIN, $signal;
		2852	$signal->wait;
		2853	}
		2854
		2855	my $min = 1e6;#d#
		2856	my $avg = 10;
2469	$TICK_WATCHER = Event->timer (	2857	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	2858	reentrant => 0,
		2859	parked => 1,
2471	prio => 0,	2860	prio => 0,
2472	at => $NEXT_TICK || $TICK,	2861	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	2862	data => WF_AUTOCANCEL,
2474	cb => sub {	2863	cb => sub {
		2864	if ($Coro::current != $Coro::main) {
		2865	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2866	unless ++$bug_warning > 10;
		2867	return;
		2868	}
		2869
2475	$NOW = Event::time;	2870	$NOW = $tick_start = Event::time;
2476		2871
2477	cf::server_tick; # one server iteration	2872	cf::server_tick; # one server iteration
		2873
		2874	0 && sync_job {#d#
		2875	for(1..10) {
		2876	my $t = Event::time;
		2877	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2878	or die;
		2879
		2880	$map->width (50);
		2881	$map->height (50);
		2882	$map->alloc;
		2883	$map->_load_objects ("/tmp/x.map", 1);
		2884	my $t = Event::time - $t;
		2885
		2886	#next unless $t < 0.0013;#d#
		2887	if ($t < $min) {
		2888	$min = $t;
		2889	}
		2890	$avg = $avg * 0.99 + $t * 0.01;
		2891	}
		2892	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2893	exit 0;
		2894	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2895	};
		2896
2478	$RUNTIME += $TICK;	2897	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	2898	$NEXT_TICK += $TICK;
2480		2899
2481	$WAIT_FOR_TICK->broadcast;	2900	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2901	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2902	Coro::async_pool {
		2903	write_runtime
		2904	or warn "ERROR: unable to write runtime file: $!";
		2905	};
		2906	}
		2907
		2908	# my $AFTER = Event::time;
		2909	# warn $AFTER - $NOW;#d#
		2910
		2911	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2912	$sig->send;
		2913	}
		2914	while (my $sig = shift @WAIT_FOR_TICK) {
		2915	$sig->send;
		2916	}
		2917
		2918	$NOW = Event::time;
2483		2919
2484	# if we are delayed by four ticks or more, skip them all	2920	# if we are delayed by four ticks or more, skip them all
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2921	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2486		2922
2487	$TICK_WATCHER->at ($NEXT_TICK);	2923	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	2924	$TICK_WATCHER->start;
		2925
		2926	$LOAD = ($NOW - $tick_start) / $TICK;
		2927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2928
		2929	_post_tick;
		2930
		2931
2489	},	2932	},
2490	);	2933	);
2491		2934
		2935	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	2936	BDB::max_poll_time $TICK * 0.1;
2493		2937	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	2938	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	2939	fd => BDB::poll_fileno,
2496	poll => 'r',	2940	poll => 'r',
2497	prio => 5,	2941	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	2942	data => WF_AUTOCANCEL,
2504	after => 0,	2943	cb => \&BDB::poll_cb,
2505	interval => 10,	2944	);
2506	cb => sub {	2945	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	2946
2508	write_runtime	2947	BDB::set_sync_prepare {
2509	or warn "ERROR: unable to write runtime file: $!";	2948	my $status;
		2949	my $current = $Coro::current;
		2950	(
		2951	sub {
		2952	$status = $!;
		2953	$current->ready; undef $current;
		2954	},
		2955	sub {
		2956	Coro::schedule while defined $current;
		2957	$! = $status;
		2958	},
		2959	)
		2960	};
		2961
		2962	unless ($DB_ENV) {
		2963	$DB_ENV = BDB::db_env_create;
		2964
		2965	cf::sync_job {
		2966	eval {
		2967	BDB::db_env_open
		2968	$DB_ENV,
		2969	$BDBDIR,
		2970	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2972	0666;
		2973
		2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2975
		2976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2977	$DB_ENV->set_lk_detect;
		2978	};
		2979
		2980	cf::cleanup "db_env_open(db): $@" if $@;
2510	})->();	2981	};
2511	},	2982	}
2512	);	2983	}
		2984
		2985	{
		2986	IO::AIO::min_parallel 8;
		2987
		2988	undef $Coro::AIO::WATCHER;
		2989	IO::AIO::max_poll_time $TICK * 0.1;
		2990	$AIO_POLL_WATCHER = Event->io (
		2991	reentrant => 0,
		2992	data => WF_AUTOCANCEL,
		2993	fd => IO::AIO::poll_fileno,
		2994	poll => 'r',
		2995	prio => 6,
		2996	cb => \&IO::AIO::poll_cb,
		2997	);
		2998	}
		2999
		3000	my $_log_backtrace;
		3001
		3002	sub _log_backtrace {
		3003	my ($msg, @addr) = @_;
		3004
		3005	$msg =~ s/\n//;
		3006
		3007	# limit the # of concurrent backtraces
		3008	if ($_log_backtrace < 2) {
		3009	++$_log_backtrace;
		3010	async {
		3011	my @bt = fork_call {
		3012	@addr = map { sprintf "%x", $_ } @addr;
		3013	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3014	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3015	or die "addr2line: $!";
		3016
		3017	my @funcs;
		3018	my @res = <$fh>;
		3019	chomp for @res;
		3020	while (@res) {
		3021	my ($func, $line) = splice @res, 0, 2, ();
		3022	push @funcs, "[$func] $line";
		3023	}
		3024
		3025	@funcs
		3026	};
		3027
		3028	LOG llevInfo, "[ABT] $msg\n";
		3029	LOG llevInfo, "[ABT] $_\n" for @bt;
		3030	--$_log_backtrace;
		3031	};
		3032	} else {
		3033	LOG llevInfo, "[ABT] $msg\n";
		3034	LOG llevInfo, "[ABT] [suppressed]\n";
		3035	}
		3036	}
		3037
		3038	# load additional modules
		3039	use cf::pod;
2513		3040
2514	END { cf::emergency_save }	3041	END { cf::emergency_save }
2515		3042
2516	1	3043	1
2517		3044

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