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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 1.278 by root, Mon Jun 11 21:38:14 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
…		…
1028		943
1029	cf::override;	944	cf::override;
1030	},	945	},
1031	);	946	);
1032		947
1033	sub load_extension {
1034	my ($path) = @_;
1035
1036	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1037	my $base = $1;
1038	my $pkg = $1;
1039	$pkg =~ s/[^[:word:]]/_/g;
1040	$pkg = "ext::$pkg";
1041
1042	warn "... loading '$path' into '$pkg'\n";
1043
1044	open my $fh, "<:utf8", $path
1045	or die "$path: $!";
1046
1047	my $source =
1048	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })
1051	. "\n};\n1";
1052
1053	eval $source
1054	or die $@ ? "$path: $@\n"
1055	: "extension disabled.\n";
1056
1057	push @EXTS, $pkg;
1058	}
1059
1060	sub load_extensions {	948	sub load_extensions {
		949	cf::sync_job {
		950	my %todo;
		951
1061	for my $ext (<$LIBDIR/*.ext>) {	952	for my $path (<$LIBDIR/*.ext>) {
1062	next unless -r $ext;	953	next unless -r $path;
1063	eval {	954
1064	load_extension $ext;	955	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		956	my $base = $1;
		957	my $pkg = $1;
		958	$pkg =~ s/[^[:word:]]/_/g;
		959	$pkg = "ext::$pkg";
		960
		961	open my $fh, "<:utf8", $path
		962	or die "$path: $!";
		963
		964	my $source = do { local $/; <$fh> };
		965
		966	my %ext = (
		967	path => $path,
		968	base => $base,
		969	pkg => $pkg,
		970	);
		971
		972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }
		973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;
		974
		975	$ext{source} =
		976	"package $pkg; use strict; use utf8;\n"
		977	. "#line 1 \"$path\"\n{\n"
		978	. $source
		979	. "\n};\n1";
		980
		981	$todo{$base} = \%ext;
		982	}
		983
		984	my %done;
		985	while (%todo) {
		986	my $progress;
		987
		988	while (my ($k, $v) = each %todo) {
		989	for (split /,\s*/, $ext{meta}{depends}) {
		990	goto skip
		991	unless exists $done{$_};
		992	}
		993
		994	warn "... loading '$k' into '$v->{pkg}'\n";
		995
		996	unless (eval $v->{source}) {
		997	my $msg = $@ ? "$v->{path}: $@\n"
		998	: "extension disabled.\n";
		999
		1000	if (exists $v->{meta}{mandatory}) {
		1001	warn $msg;
		1002	warn "mandatory extension failed to load, exiting.\n";
		1003	exit 1;
		1004	}
		1005
		1006	die $msg;
		1007	}
		1008
		1009	$done{$k} = delete $todo{$k};
		1010	push @EXTS, $v->{pkg};
1065	1	1011	}
1066	} or warn "$ext not loaded: $@";	1012
		1013	skip:
		1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1015	unless $progress;
		1016	}
1067	}	1017	};
1068	}	1018	}
1069		1019
1070	#############################################################################	1020	#############################################################################
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		1021
1086	=head2 CORE EXTENSIONS	1022	=head2 CORE EXTENSIONS
1087		1023
1088	Functions and methods that extend core crossfire objects.	1024	Functions and methods that extend core crossfire objects.
1089		1025
…		…
1102	Returns the given player object, loading it if necessary (might block).	1038	Returns the given player object, loading it if necessary (might block).
1103		1039
1104	=cut	1040	=cut
1105		1041
1106	sub playerdir($) {	1042	sub playerdir($) {
1107	cf::localdir	1043	"$PLAYERDIR/"
1108	. "/"
1109	. cf::playerdir
1110	. "/"
1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1044	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	1045	}
1113		1046
1114	sub path($) {	1047	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1048	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		1049
1117	(playerdir $login) . "/$login.pl"	1050	(playerdir $login) . "/playerdata"
1118	}	1051	}
1119		1052
1120	sub find_active($) {	1053	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	1054	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	1055	and $cf::PLAYER{$_[0]}->active
…		…
1125		1058
1126	sub exists($) {	1059	sub exists($) {
1127	my ($login) = @_;	1060	my ($login) = @_;
1128		1061
1129	$cf::PLAYER{$login}	1062	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	1063	or cf::sync_job { !aio_stat path $login }
1131	}	1064	}
1132		1065
1133	sub find($) {	1066	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	1067	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	1068	my $login = $_[0];
1136		1069
1137	my $guard = cf::lock_acquire "user_find:$login";	1070	my $guard = cf::lock_acquire "user_find:$login";
1138		1071
1139	$cf::PLAYER{$_[0]} || do {	1072	$cf::PLAYER{$_[0]} || do {
		1073	# rename old playerfiles to new ones
		1074	#TODO: remove when no longer required
		1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1078	aio_unlink +(playerdir $login) . "/$login.pl";
		1079
1140	my $pl = load_pl path $login	1080	my $pl = load_pl path $login
1141	or return;	1081	or return;
1142	$cf::PLAYER{$login} = $pl	1082	$cf::PLAYER{$login} = $pl
1143	}	1083	}
1144	}	1084	}
…		…
1181		1121
1182	=cut	1122	=cut
1183		1123
1184	sub quit_character {	1124	sub quit_character {
1185	my ($pl) = @_;	1125	my ($pl) = @_;
		1126
		1127	my $name = $pl->ob->name;
1186		1128
1187	$pl->{deny_save} = 1;	1129	$pl->{deny_save} = 1;
1188	$pl->password ("*"); # this should lock out the player until we nuked the dir	1130	$pl->password ("*"); # this should lock out the player until we nuked the dir
1189		1131
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1195	my $path = playerdir $pl;	1137	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1138	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1139	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1140	delete $cf::PLAYER{$pl->ob->name};
1199	$pl->destroy;	1141	$pl->destroy;
		1142
		1143	my $prefix = qr<^~\Q$name\E/>;
		1144
		1145	# nuke player maps
		1146	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1147
1200	IO::AIO::aio_rmtree $temp;	1148	IO::AIO::aio_rmtree $temp;
		1149	}
		1150
		1151	=item $pl->kick
		1152
		1153	Kicks a player out of the game. This destroys the connection.
		1154
		1155	=cut
		1156
		1157	sub kick {
		1158	my ($pl, $kicker) = @_;
		1159
		1160	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1161	$pl->killer ("kicked");
		1162	$pl->ns->destroy;
1201	}	1163	}
1202		1164
1203	=item cf::player::list_logins	1165	=item cf::player::list_logins
1204		1166
1205	Returns am arrayref of all valid playernames in the system, can take a	1167	Returns am arrayref of all valid playernames in the system, can take a
1206	while and may block, so not sync_job-capable, ever.	1168	while and may block, so not sync_job-capable, ever.
1207		1169
1208	=cut	1170	=cut
1209		1171
1210	sub list_logins {	1172	sub list_logins {
1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1173	my $dirs = aio_readdir $PLAYERDIR
1212	or return [];	1174	or return [];
1213		1175
1214	my @logins;	1176	my @logins;
1215		1177
1216	for my $login (@$dirs) {	1178	for my $login (@$dirs) {
…		…
1225	\@logins	1187	\@logins
1226	}	1188	}
1227		1189
1228	=item $player->maps	1190	=item $player->maps
1229		1191
1230	Returns an arrayref of cf::path's of all maps that are private for this	1192	Returns an arrayref of map paths that are private for this
1231	player. May block.	1193	player. May block.
1232		1194
1233	=cut	1195	=cut
1234		1196
1235	sub maps($) {	1197	sub maps($) {
1236	my ($pl) = @_;	1198	my ($pl) = @_;
		1199
		1200	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1201
1238	my $files = aio_readdir playerdir $pl	1202	my $files = aio_readdir playerdir $pl
1239	or return;	1203	or return;
1240		1204
1241	my @paths;	1205	my @paths;
…		…
1243	for (@$files) {	1207	for (@$files) {
1244	utf8::decode $_;	1208	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1209	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1210	next unless /^$PATH_SEP/o;
1247		1211
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1212	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1213	}
1250		1214
1251	\@paths	1215	\@paths
1252	}	1216	}
1253		1217
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1218	=item $player->ext_reply ($msgid, %msg)
1255		1219
1256	Sends an ext reply to the player.	1220	Sends an ext reply to the player.
1257		1221
1258	=cut	1222	=cut
1259		1223
1260	sub ext_reply($$$%) {	1224	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1225	my ($self, $id, %msg) = @_;
1262		1226
1263	$msg{msgid} = $id;	1227	$msg{msgid} = $id;
1264		1228
1265	$self->send ("ext " . cf::to_json \%msg);	1229	$self->send ("ext " . cf::to_json \%msg);
1266	}	1230	}
1267		1231
1268	package cf;	1232	=item $player->ext_event ($type, %msg)
		1233
		1234	Sends an ext event to the client.
		1235
		1236	=cut
		1237
		1238	sub ext_event($$%) {
		1239	my ($self, $type, %msg) = @_;
		1240
		1241	$self->ns->ext_event ($type, %msg);
		1242	}
		1243
		1244	=head3 cf::region
		1245
		1246	=over 4
		1247
		1248	=cut
		1249
		1250	package cf::region;
		1251
		1252	=item cf::region::find_by_path $path
		1253
		1254	Tries to decuce the probable region for a map knowing only its path.
		1255
		1256	=cut
		1257
		1258	sub find_by_path($) {
		1259	my ($path) = @_;
		1260
		1261	my ($match, $specificity);
		1262
		1263	for my $region (list) {
		1264	if ($region->match && $path =~ $region->match) {
		1265	($match, $specificity) = ($region, $region->specificity)
		1266	if $region->specificity > $specificity;
		1267	}
		1268	}
		1269
		1270	$match
		1271	}
1269		1272
1270	=back	1273	=back
1271
1272		1274
1273	=head3 cf::map	1275	=head3 cf::map
1274		1276
1275	=over 4	1277	=over 4
1276		1278
…		…
1279	package cf::map;	1281	package cf::map;
1280		1282
1281	use Fcntl;	1283	use Fcntl;
1282	use Coro::AIO;	1284	use Coro::AIO;
1283		1285
		1286	use overload
		1287	'""' => \&as_string,
		1288	fallback => 1;
		1289
1284	our $MAX_RESET = 3600;	1290	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1291	our $DEFAULT_RESET = 3000;
1286		1292
1287	sub generate_random_map {	1293	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1294	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1295	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1296	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1300	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1301	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1307	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1308	)
1305	}	1309	}
1306		1310
		1311	=item cf::map->register ($regex, $prio)
		1312
		1313	Register a handler for the map path matching the given regex at the
		1314	givne priority (higher is better, built-in handlers have priority 0, the
		1315	default).
		1316
		1317	=cut
		1318
		1319	sub register {
		1320	my (undef, $regex, $prio) = @_;
		1321	my $pkg = caller;
		1322
		1323	no strict;
		1324	push @{"$pkg\::ISA"}, __PACKAGE__;
		1325
		1326	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1327	}
		1328
		1329	# also paths starting with '/'
		1330	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1331
		1332	sub thawer_merge {
		1333	my ($self, $merge) = @_;
		1334
		1335	# we have to keep some variables in memory intact
		1336	local $self->{path};
		1337	local $self->{load_path};
		1338
		1339	$self->SUPER::thawer_merge ($merge);
		1340	}
		1341
		1342	sub normalise {
		1343	my ($path, $base) = @_;
		1344
		1345	$path = "$path"; # make sure its a string
		1346
		1347	$path =~ s/\.map$//;
		1348
		1349	# map plan:
		1350	#
		1351	# /! non-realised random map exit (special hack!)
		1352	# {... are special paths that are not being touched
		1353	# ?xxx/... are special absolute paths
		1354	# ?random/... random maps
		1355	# /... normal maps
		1356	# ~user/... per-player map of a specific user
		1357
		1358	$path =~ s/$PATH_SEP/\//go;
		1359
		1360	# treat it as relative path if it starts with
		1361	# something that looks reasonable
		1362	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1363	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1364
		1365	$base =~ s{[^/]+/?$}{};
		1366	$path = "$base/$path";
		1367	}
		1368
		1369	for ($path) {
		1370	redo if s{//}{/};
		1371	redo if s{/\.?/}{/};
		1372	redo if s{/[^/]+/\.\./}{/};
		1373	}
		1374
		1375	$path
		1376	}
		1377
		1378	sub new_from_path {
		1379	my (undef, $path, $base) = @_;
		1380
		1381	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1382
		1383	$path = normalise $path, $base;
		1384
		1385	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1386	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1387	my $self = bless cf::map::new, $pkg;
		1388	$self->{path} = $path; $self->path ($path);
		1389	$self->init; # pass $1 etc.
		1390	return $self;
		1391	}
		1392	}
		1393
		1394	Carp::carp "unable to resolve path '$path' (base '$base').";
		1395	()
		1396	}
		1397
		1398	sub init {
		1399	my ($self) = @_;
		1400
		1401	$self
		1402	}
		1403
		1404	sub as_string {
		1405	my ($self) = @_;
		1406
		1407	"$self->{path}"
		1408	}
		1409
		1410	# the displayed name, this is a one way mapping
		1411	sub visible_name {
		1412	&as_string
		1413	}
		1414
		1415	# the original (read-only) location
		1416	sub load_path {
		1417	my ($self) = @_;
		1418
		1419	"$MAPDIR/$self->{path}.map"
		1420	}
		1421
		1422	# the temporary/swap location
		1423	sub save_path {
		1424	my ($self) = @_;
		1425
		1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1427	"$TMPDIR/$path.map"
		1428	}
		1429
		1430	# the unique path, undef == no special unique path
		1431	sub uniq_path {
		1432	my ($self) = @_;
		1433
		1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1435	"$UNIQUEDIR/$path"
		1436	}
		1437
1307	# and all this just because we cannot iterate over	1438	# and all this just because we cannot iterate over
1308	# all maps in C++...	1439	# all maps in C++...
1309	sub change_all_map_light {	1440	sub change_all_map_light {
1310	my ($change) = @_;	1441	my ($change) = @_;
1311		1442
1312	$_->change_map_light ($change)	1443	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1444	for grep $_->outdoor, values %cf::MAP;
1314	}	1445	}
1315		1446
		1447	sub decay_objects {
		1448	my ($self) = @_;
		1449
		1450	return if $self->{deny_reset};
		1451
		1452	$self->do_decay_objects;
		1453	}
		1454
		1455	sub unlink_save {
		1456	my ($self) = @_;
		1457
		1458	utf8::encode (my $save = $self->save_path);
		1459	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1460	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1461	}
		1462
1316	sub load_map_header($) {	1463	sub load_header_from($) {
1317	my ($path) = @_;	1464	my ($self, $path) = @_;
1318		1465
1319	utf8::encode $path;	1466	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1467	#aio_open $path, O_RDONLY, 0
		1468	# or return;
		1469
		1470	$self->_load_header ($path)
1321	or return;	1471	or return;
1322		1472
1323	my $map = cf::map::new	1473	$self->{load_path} = $path;
		1474
		1475	1
		1476	}
		1477
		1478	sub load_header_orig {
		1479	my ($self) = @_;
		1480
		1481	$self->load_header_from ($self->load_path)
		1482	}
		1483
		1484	sub load_header_temp {
		1485	my ($self) = @_;
		1486
		1487	$self->load_header_from ($self->save_path)
		1488	}
		1489
		1490	sub prepare_temp {
		1491	my ($self) = @_;
		1492
		1493	$self->last_access ((delete $self->{last_access})
		1494	|| $cf::RUNTIME); #d#
		1495	# safety
		1496	$self->{instantiate_time} = $cf::RUNTIME
		1497	if $self->{instantiate_time} > $cf::RUNTIME;
		1498	}
		1499
		1500	sub prepare_orig {
		1501	my ($self) = @_;
		1502
		1503	$self->{load_original} = 1;
		1504	$self->{instantiate_time} = $cf::RUNTIME;
		1505	$self->last_access ($cf::RUNTIME);
		1506	$self->instantiate;
		1507	}
		1508
		1509	sub load_header {
		1510	my ($self) = @_;
		1511
		1512	if ($self->load_header_temp) {
		1513	$self->prepare_temp;
		1514	} else {
		1515	$self->load_header_orig
1324	or return;	1516	or return;
		1517	$self->prepare_orig;
		1518	}
1325		1519
1326	# for better error messages only, will be overwritten later	1520	$self->{deny_reset} = 1
1327	$map->path ($path);	1521	if $self->no_reset;
1328		1522
1329	$map->load_header ($path)	1523	$self->default_region (cf::region::find_by_path $self->{path})
1330	or return;	1524	unless $self->default_region;
1331		1525
1332	$map->{load_path} = $path;	1526	1
1333
1334	$map
1335	}	1527	}
1336		1528
1337	sub find;	1529	sub find;
1338	sub find {	1530	sub find {
1339	my ($path, $origin) = @_;	1531	my ($path, $origin) = @_;
1340		1532
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1533	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1534
1346	cf::lock_wait "map_find:$key";	1535	cf::lock_wait "map_find:$path";
1347		1536
1348	$cf::MAP{$key} || do {	1537	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1538	my $guard = cf::lock_acquire "map_find:$path";
1350		1539	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;	1540	or return;
1365		1541
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;	1542	$map->{last_save} = $cf::RUNTIME;
1378		1543
1379	Coro::cede;	1544	$map->load_header
		1545	or return;
1380		1546
1381	if ($map->should_reset) {	1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1548	# doing this can freeze the server in a sync job, obviously
		1549	#$cf::WAIT_FOR_TICK->wait;
1382	$map->reset;	1550	$map->reset;
1383	undef $guard;	1551	undef $guard;
1384	$map = find $path	1552	return find $path;
1385	or return;
1386	}	1553	}
1387		1554
1388	$cf::MAP{$key} = $map	1555	$cf::MAP{$path} = $map
1389	}	1556	}
1390	}	1557	}
		1558
		1559	sub pre_load { }
		1560	sub post_load { }
1391		1561
1392	sub load {	1562	sub load {
1393	my ($self) = @_;	1563	my ($self) = @_;
1394		1564
		1565	local $self->{deny_reset} = 1; # loading can take a long time
		1566
1395	my $path = $self->{path};	1567	my $path = $self->{path};
		1568
		1569	{
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1570	my $guard = cf::lock_acquire "map_load:$path";
1397		1571
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1572	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1573
1400	$self->in_memory (cf::MAP_LOADING);	1574	$self->in_memory (cf::MAP_LOADING);
1401		1575
1402	$self->alloc;	1576	$self->alloc;
		1577
		1578	$self->pre_load;
		1579	Coro::cede;
		1580
1403	$self->load_objects ($self->{load_path}, 1)	1581	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1582	or return;
1405		1583
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1585	if delete $self->{load_original};
1408		1586
1409	if (my $uniq = $path->uniq_path) {	1587	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1588	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1589	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1590	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1591	$self->_load_objects ($uniq, 0);
1414	}	1592	}
1415	}	1593	}
1416		1594
1417	Coro::cede;	1595	Coro::cede;
1418
1419	# now do the right thing for maps	1596	# now do the right thing for maps
1420	$self->link_multipart_objects;	1597	$self->link_multipart_objects;
1421
1422	if ($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)	1598	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1599	unless $self->difficulty;
		1600	Coro::cede;
		1601
		1602	unless ($self->{deny_activate}) {
		1603	$self->decay_objects;
		1604	$self->fix_auto_apply;
		1605	$self->update_buttons;
		1606	Coro::cede;
		1607	$self->set_darkness_map;
		1608	Coro::cede;
1432	$self->activate;	1609	$self->activate;
1433	}	1610	}
1434		1611
1435	Coro::cede;
1436
1437	$self->in_memory (cf::MAP_IN_MEMORY);	1612	$self->in_memory (cf::MAP_IN_MEMORY);
		1613	}
		1614
		1615	$self->post_load;
		1616	}
		1617
		1618	sub customise_for {
		1619	my ($self, $ob) = @_;
		1620
		1621	return find "~" . $ob->name . "/" . $self->{path}
		1622	if $self->per_player;
		1623
		1624	# return find "?party/" . $ob->name . "/" . $self->{path}
		1625	# if $self->per_party;
		1626
		1627	$self
1438	}	1628	}
1439		1629
1440	# find and load all maps in the 3x3 area around a map	1630	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1631	sub load_diag {
1442	my ($map) = @_;	1632	my ($map) = @_;
…		…
1472		1662
1473	cf::sync_job { $map->load };	1663	cf::sync_job { $map->load };
1474	}	1664	}
1475		1665
1476	our %MAP_PREFETCH;	1666	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = Coro::async {	1667	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	$map->load;
1487	}
1488	Coro::schedule;
1489	}
1490	};
1491		1668
1492	sub find_async {	1669	sub find_async {
1493	my ($path, $origin) = @_;	1670	my ($path, $origin) = @_;
1494		1671
1495	$path = new cf::path $path, $origin && $origin->path;	1672	$path = normalise $path, $origin && $origin->{path};
1496	my $key = $path->as_string;
1497		1673
1498	if (my $map = $cf::MAP{$key}) {	1674	if (my $map = $cf::MAP{$path}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}	1676	}
1501		1677
1502	$MAP_PREFETCH{$key} = $path;	1678	undef $MAP_PREFETCH{$path};
		1679	$MAP_PREFETCHER ||= cf::async {
		1680	while (%MAP_PREFETCH) {
		1681	for my $path (keys %MAP_PREFETCH) {
		1682	my $map = find $path
		1683	or next;
		1684	$map->load;
		1685
		1686	delete $MAP_PREFETCH{$path};
		1687	}
		1688	}
		1689	undef $MAP_PREFETCHER;
		1690	};
1503	$MAP_PREFETCHER->ready;	1691	$MAP_PREFETCHER->prio (6);
1504		1692
1505	()	1693	()
1506	}	1694	}
1507		1695
1508	sub save {	1696	sub save {
…		…
1512		1700
1513	$self->{last_save} = $cf::RUNTIME;	1701	$self->{last_save} = $cf::RUNTIME;
1514		1702
1515	return unless $self->dirty;	1703	return unless $self->dirty;
1516		1704
1517	my $save = $self->{path}->save_path; utf8::encode $save;	1705	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1706	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		1707
1520	$self->{load_path} = $save;	1708	$self->{load_path} = $save;
1521		1709
1522	return if $self->{deny_save};	1710	return if $self->{deny_save};
1523		1711
…		…
1526	cf::async {	1714	cf::async {
1527	$_->contr->save for $self->players;	1715	$_->contr->save for $self->players;
1528	};	1716	};
1529		1717
1530	if ($uniq) {	1718	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	1721	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1722	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	1723	}
1536	}	1724	}
1537		1725
1538	sub swap_out {	1726	sub swap_out {
1539	my ($self) = @_;	1727	my ($self) = @_;
…		…
1553		1741
1554	sub reset_at {	1742	sub reset_at {
1555	my ($self) = @_;	1743	my ($self) = @_;
1556		1744
1557	# TODO: safety, remove and allow resettable per-player maps	1745	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};
1559	return 1e99 if $self->{deny_reset};	1746	return 1e99 if $self->{deny_reset};
1560		1747
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1748	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1749	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		1750
…		…
1568	my ($self) = @_;	1755	my ($self) = @_;
1569		1756
1570	$self->reset_at <= $cf::RUNTIME	1757	$self->reset_at <= $cf::RUNTIME
1571	}	1758	}
1572		1759
1573	sub rename {
1574	my ($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	$self->save;
1584	}
1585
1586	sub reset {	1760	sub reset {
1587	my ($self) = @_;	1761	my ($self) = @_;
1588		1762
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	1763	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		1764
1591	return if $self->players;	1765	return if $self->players;
1592	return if $self->{path}{user_rel};#d#
1593		1766
1594	warn "resetting map ", $self->path;#d#	1767	warn "resetting map ", $self->path;
		1768
		1769	$self->in_memory (cf::MAP_SWAPPED);
		1770
		1771	# need to save uniques path
		1772	unless ($self->{deny_save}) {
		1773	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1774
		1775	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1776	if $uniq;
		1777	}
1595		1778
1596	delete $cf::MAP{$self->path};	1779	delete $cf::MAP{$self->path};
1597		1780
		1781	$self->clear;
		1782
1598	$_->clear_links_to ($self) for values %cf::MAP;	1783	$_->clear_links_to ($self) for values %cf::MAP;
1599		1784
1600	$self->{path}->unlink_save;	1785	$self->unlink_save;
1601	$self->destroy;	1786	$self->destroy;
1602	}	1787	}
1603		1788
1604	my $nuke_counter = "aaaa";	1789	my $nuke_counter = "aaaa";
1605		1790
1606	sub nuke {	1791	sub nuke {
1607	my ($self) = @_;	1792	my ($self) = @_;
1608		1793
		1794	delete $cf::MAP{$self->path};
		1795
		1796	$self->unlink_save;
		1797
		1798	bless $self, "cf::map";
		1799	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	1800	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	1801	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1803
		1804	$cf::MAP{$self->path} = $self;
		1805
1612	$self->reset; # polite request, might not happen	1806	$self->reset; # polite request, might not happen
1613	}	1807	}
1614		1808
		1809	=item $maps = cf::map::tmp_maps
		1810
		1811	Returns an arrayref with all map paths of currently instantiated and saved
		1812	maps. May block.
		1813
		1814	=cut
		1815
		1816	sub tmp_maps() {
		1817	[
		1818	map {
		1819	utf8::decode $_;
		1820	/\.map$/
		1821	? normalise $_
		1822	: ()
		1823	} @{ aio_readdir $TMPDIR or [] }
		1824	]
		1825	}
		1826
		1827	=item $maps = cf::map::random_maps
		1828
		1829	Returns an arrayref with all map paths of currently instantiated and saved
		1830	random maps. May block.
		1831
		1832	=cut
		1833
		1834	sub random_maps() {
		1835	[
		1836	map {
		1837	utf8::decode $_;
		1838	/\.map$/
		1839	? normalise "?random/$_"
		1840	: ()
		1841	} @{ aio_readdir $RANDOMDIR or [] }
		1842	]
		1843	}
		1844
1615	=item cf::map::unique_maps	1845	=item cf::map::unique_maps
1616		1846
1617	Returns an arrayref of cf::path's of all shared maps that have	1847	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	1848	instantiated unique items. May block.
1619		1849
1620	=cut	1850	=cut
1621		1851
1622	sub unique_maps() {	1852	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1853	[
1624	or return;	1854	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	1855	utf8::decode $_;
1630	next if /\.pst$/;	1856	/\.map$/
1631	next unless /^$PATH_SEP/o;	1857	? normalise $_
1632		1858	: ()
1633	push @paths, new cf::path $_;	1859	} @{ aio_readdir $UNIQUEDIR or [] }
1634	}	1860	]
1635
1636	\@paths
1637	}	1861	}
1638		1862
1639	package cf;	1863	package cf;
1640		1864
1641	=back	1865	=back
…		…
1713		1937
1714	=item $player_object->enter_link	1938	=item $player_object->enter_link
1715		1939
1716	Freezes the player and moves him/her to a special map (C<{link}>).	1940	Freezes the player and moves him/her to a special map (C<{link}>).
1717		1941
1718	The player should be reaosnably safe there for short amounts of time. You	1942	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.	1943	I<MUST> call C<leave_link> as soon as possible, though.
1720		1944
		1945	Will never block.
		1946
1721	=item $player_object->leave_link ($map, $x, $y)	1947	=item $player_object->leave_link ($map, $x, $y)
1722		1948
1723	Moves the player out of the specila link map onto the given map. If the	1949	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	1950	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	1951	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	1952	fails, to the emergency map position.
1727		1953
1728	Might block.	1954	Might block.
1729		1955
1730	=cut	1956	=cut
		1957
		1958	sub link_map {
		1959	unless ($LINK_MAP) {
		1960	$LINK_MAP = cf::map::find "{link}"
		1961	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1962	$LINK_MAP->load;
		1963	}
		1964
		1965	$LINK_MAP
		1966	}
1731		1967
1732	sub cf::object::player::enter_link {	1968	sub cf::object::player::enter_link {
1733	my ($self) = @_;	1969	my ($self) = @_;
1734		1970
1735	$self->deactivate_recursive;	1971	$self->deactivate_recursive;
1736		1972
1737	return if $self->map == $LINK_MAP;	1973	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		1974
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	1976	if $self->map && $self->map->{path} ne "{link}";
1741		1977
1742	$self->enter_map ($LINK_MAP, 20, 20);	1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	1979	}
1744		1980
1745	sub cf::object::player::leave_link {	1981	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	1982	my ($self, $map, $x, $y) = @_;
		1983
		1984	return unless $self->contr->active;
1747		1985
1748	my $link_pos = delete $self->{_link_pos};	1986	my $link_pos = delete $self->{_link_pos};
1749		1987
1750	unless ($map) {	1988	unless ($map) {
1751	# restore original map position	1989	# restore original map position
…		…
1769	$map->load;	2007	$map->load;
1770	$map->load_diag;	2008	$map->load_diag;
1771		2009
1772	return unless $self->contr->active;	2010	return unless $self->contr->active;
1773	$self->activate_recursive;	2011	$self->activate_recursive;
		2012
		2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	2014	$self->enter_map ($map, $x, $y);
1775	}	2015	}
1776		2016
1777	cf::player->attach (
1778	on_logout => sub {
1779	my ($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)	2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1810		2018
		2019	Moves the player to the given map-path and coordinates by first freezing
		2020	her, loading and preparing them map, calling the provided $check callback
		2021	that has to return the map if sucecssful, and then unfreezes the player on
		2022	the new (success) or old (failed) map position.
		2023
1811	=cut	2024	=cut
		2025
		2026	our $GOTOGEN;
1812		2027
1813	sub cf::object::player::goto {	2028	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	2029	my ($self, $path, $x, $y, $check) = @_;
1815		2030
1816	$path = new cf::path $path;	2031	# do generation counting so two concurrent goto's will be executed in-order
		2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1817		2033
1818	$self->enter_link;	2034	$self->enter_link;
1819		2035
1820	(async {	2036	(async {
		2037	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	2038	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;
1823		2039
1824	# warn "entering ", $map->path, " at ($x, $y)\n"
1825	# if $map;	2040	if ($map) {
1826		2041	$map = $map->customise_for ($self);
		2042	$map = $check->($map) if $check && $map;
		2043	} else {
1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2045	}
1828		2046
		2047	$map
		2048	};
		2049
		2050	if ($@) {
		2051	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2052	LOG llevError | logBacktrace, Carp::longmess $@;
		2053	}
		2054
		2055	if ($gen == $self->{_goto_generation}) {
		2056	delete $self->{_goto_generation};
1829	$self->leave_link ($map, $x, $y);	2057	$self->leave_link ($map, $x, $y);
		2058	}
1830	})->prio (1);	2059	})->prio (1);
1831	}	2060	}
1832		2061
1833	=item $player_object->enter_exit ($exit_object)	2062	=item $player_object->enter_exit ($exit_object)
1834		2063
…		…
1836		2065
1837	sub parse_random_map_params {	2066	sub parse_random_map_params {
1838	my ($spec) = @_;	2067	my ($spec) = @_;
1839		2068
1840	my $rmp = { # defaults	2069	my $rmp = { # defaults
1841	xsize => 10,	2070	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	2071	ysize => (cf::rndm 15, 40),
		2072	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2073	#layout => string,
1843	};	2074	};
1844		2075
1845	for (split /\n/, $spec) {	2076	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	2077	my ($k, $v) = split /\s+/, $_, 2;
1847		2078
…		…
1851	$rmp	2082	$rmp
1852	}	2083	}
1853		2084
1854	sub prepare_random_map {	2085	sub prepare_random_map {
1855	my ($exit) = @_;	2086	my ($exit) = @_;
		2087
		2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		2089
1857	# all this does is basically replace the /! path by	2090	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	2091	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	2092	# that depends on the exit object
1860		2093
1861	my $rmp = parse_random_map_params $exit->msg;	2094	my $rmp = parse_random_map_params $exit->msg;
1862		2095
1863	if ($exit->map) {	2096	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	2097	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	2098	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	2099	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	2100	$rmp->{origin_y} = $exit->y;
1868	}	2101	}
1869		2102
1870	$rmp->{random_seed} ||= $exit->random_seed;	2103	$rmp->{random_seed} ||= $exit->random_seed;
1871		2104
1872	my $data = cf::to_json $rmp;	2105	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	2106	my $md5 = Digest::MD5::md5_hex $data;
		2107	my $meta = "$RANDOMDIR/$md5.meta";
1874		2108
1875	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876	aio_write $fh, 0, (length $data), $data, 0;	2110	aio_write $fh, 0, (length $data), $data, 0;
		2111	undef $fh;
		2112	aio_rename "$meta~", $meta;
1877		2113
1878	$exit->slaying ("?random/$md5");	2114	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2115	$exit->msg (undef);
1880	}	2116	}
1881	}	2117	}
1882		2118
1883	sub cf::object::player::enter_exit {	2119	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2120	my ($self, $exit) = @_;
1885		2121
1886	return unless $self->type == cf::PLAYER;	2122	return unless $self->type == cf::PLAYER;
		2123
		2124	if ($exit->slaying eq "/!") {
		2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2126	# the problem is that $exit might not survive long enough
		2127	# so it needs to be done right now, right here
		2128	cf::sync_job { prepare_random_map $exit };
		2129	}
		2130
		2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2132	my $hp = $exit->stats->hp;
		2133	my $sp = $exit->stats->sp;
1887		2134
1888	$self->enter_link;	2135	$self->enter_link;
1889		2136
1890	(async {	2137	(async {
1891	$self->deactivate_recursive; # just to be sure	2138	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	2139	unless (eval {
1893	prepare_random_map $exit	2140	$self->goto ($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		2141
1899	1;	2142	1;
1900	}) {	2143	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2144	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "I'll try to bring you back to the map you were before. "	2145	. "I'll try to bring you back to the map you were before. "
1903	. "Please report this to the dungeon master!",	2146	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2147	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2148
1906	warn "ERROR in enter_exit: $@";	2149	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2150	$self->leave_link;
1908	}	2151	}
1909	})->prio (1);	2152	})->prio (1);
…		…
1922		2165
1923	sub cf::client::send_drawinfo {	2166	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2167	my ($self, $text, $flags) = @_;
1925		2168
1926	utf8::encode $text;	2169	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2171	}
1929		2172
		2173	=item $client->ext_event ($type, %msg)
		2174
		2175	Sends an exti event to the client.
		2176
		2177	=cut
		2178
		2179	sub cf::client::ext_event($$%) {
		2180	my ($self, $type, %msg) = @_;
		2181
		2182	$msg{msgtype} = "event_$type";
		2183	$self->send_packet ("ext " . cf::to_json \%msg);
		2184	}
1930		2185
1931	=item $success = $client->query ($flags, "text", \&cb)	2186	=item $success = $client->query ($flags, "text", \&cb)
1932		2187
1933	Queues a query to the client, calling the given callback with	2188	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>,	2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1963	# get handled first	2218	# get handled first
1964	my $queue = delete $ns->{query_queue}	2219	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	2220	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		2221
1967	(shift @$queue)->[1]->($msg);	2222	(shift @$queue)->[1]->($msg);
		2223	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2224
1969	push @{ $ns->{query_queue} }, @$queue;	2225	push @{ $ns->{query_queue} }, @$queue;
1970		2226
1971	if (@{ $ns->{query_queue} } == @$queue) {	2227	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2228	if (@$queue) {
…		…
2030		2286
2031	# here we export the classes and methods available to script code	2287	# here we export the classes and methods available to script code
2032		2288
2033	=pod	2289	=pod
2034		2290
2035	The following fucntions and emthods are available within a safe environment:	2291	The following functions and methods are available within a safe environment:
2036		2292
2037	cf::object contr pay_amount pay_player map	2293	cf::object contr pay_amount pay_player map
2038	cf::object::player player	2294	cf::object::player player
2039	cf::player peaceful	2295	cf::player peaceful
2040	cf::map trigger	2296	cf::map trigger
…		…
2125	#############################################################################	2381	#############################################################################
2126		2382
2127	=head2 EXTENSION DATABASE SUPPORT	2383	=head2 EXTENSION DATABASE SUPPORT
2128		2384
2129	Crossfire maintains a very simple database for extension use. It can	2385	Crossfire maintains a very simple database for extension use. It can
2130	currently store anything that can be serialised using Storable, which	2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2131	excludes objects.	2387	convert to/from binary).
2132		2388
2133	The parameter C<$family> should best start with the name of the extension	2389	The parameter C<$family> should best start with the name of the extension
2134	using it, it should be unique.	2390	using it, it should be unique.
2135		2391
2136	=over 4	2392	=over 4
2137		2393
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	2394	=item $value = cf::db_get $family => $key
2145		2395
2146	Returns a single value from the database	2396	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		2397
2153	=item cf::db_put $family => $key => $value	2398	=item cf::db_put $family => $key => $value
2154		2399
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you	2400	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		2401
2166	=cut	2402	=cut
2167		2403
2168	our $DB;	2404	our $DB;
2169		2405
2170	{	2406	sub db_init {
2171	my $path = cf::localdir . "/database.pst";	2407	unless ($DB) {
		2408	$DB = BDB::db_create $DB_ENV;
2172		2409
2173	sub db_load() {	2410	cf::sync_job {
2174	$DB = stat $path ? Storable::retrieve $path : { };	2411	eval {
2175	}	2412	$DB->set_flags (BDB::CHKSUM);
2176		2413
2177	my $pid;	2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2178		2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2179	sub db_save() {	2416	cf::cleanup "db_open(db): $!" if $!;
2180	waitpid $pid, 0 if $pid;	2417	};
2181	if (0 == ($pid = fork)) {	2418	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	}	2419	};
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	});	2420	}
		2421	}
2199		2422
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}
2204
2205	sub db_get($;$) {	2423	sub db_get($$) {
2206	@_ >= 2	2424	my $key = "$_[0]/$_[1]";
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210		2425
		2426	cf::sync_job {
		2427	BDB::db_get $DB, undef, $key, my $data;
		2428
		2429	$! ? ()
		2430	: $data
		2431	}
		2432	}
		2433
2211	sub db_put($$;$) {	2434	sub db_put($$$) {
2212	if (@_ >= 3) {	2435	BDB::dbreq_pri 4;
2213	$DB->{$_[0]}{$_[1]} = $_[2];	2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2214	} else {	2437	}
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219		2438
2220	cf::global->attach (	2439	=item cf::cache $id => [$paths...], $processversion => $process
2221	prio => 10000,	2440
2222	on_cleanup => sub {	2441	Generic caching function that returns the value of the resource $id,
2223	db_sync;	2442	caching and regenerating as required.
		2443
		2444	This function can block.
		2445
		2446	=cut
		2447
		2448	sub cache {
		2449	my ($id, $src, $processversion, $process) = @_;
		2450
		2451	my $meta =
		2452	join "\x00",
		2453	$processversion,
		2454	map {
		2455	aio_stat $_
		2456	and Carp::croak "$_: $!";
		2457
		2458	($_, (stat _)[7,9])
		2459	} @$src;
		2460
		2461	my $dbmeta = db_get cache => "$id/meta";
		2462	if ($dbmeta ne $meta) {
		2463	# changed, we may need to process
		2464
		2465	my @data;
		2466	my $md5;
		2467
		2468	for (0 .. $#$src) {
		2469	0 <= aio_load $src->[$_], $data[$_]
		2470	or Carp::croak "$src->[$_]: $!";
2224	},	2471	}
2225	);	2472
		2473	# if processing is expensive, check
		2474	# checksum first
		2475	if (1) {
		2476	$md5 =
		2477	join "\x00",
		2478	$processversion,
		2479	map {
		2480	Coro::cede;
		2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2482	} 0.. $#$src;
		2483
		2484
		2485	my $dbmd5 = db_get cache => "$id/md5";
		2486	if ($dbmd5 eq $md5) {
		2487	db_put cache => "$id/meta", $meta;
		2488
		2489	return db_get cache => "$id/data";
		2490	}
		2491	}
		2492
		2493	my $t1 = Time::HiRes::time;
		2494	my $data = $process->(\@data);
		2495	my $t2 = Time::HiRes::time;
		2496
		2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2498
		2499	db_put cache => "$id/data", $data;
		2500	db_put cache => "$id/md5" , $md5;
		2501	db_put cache => "$id/meta", $meta;
		2502
		2503	return $data;
		2504	}
		2505
		2506	db_get cache => "$id/data"
		2507	}
		2508
		2509	=item fork_call { }, $args
		2510
		2511	Executes the given code block with the given arguments in a seperate
		2512	process, returning the results. Everything must be serialisable with
		2513	Coro::Storable. May, of course, block. Note that the executed sub may
		2514	never block itself or use any form of Event handling.
		2515
		2516	=cut
		2517
		2518	sub fork_call(&@) {
		2519	my ($cb, @args) = @_;
		2520
		2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2522	# or die "socketpair: $!";
		2523	pipe my $fh1, my $fh2
		2524	or die "pipe: $!";
		2525
		2526	if (my $pid = fork) {
		2527	close $fh2;
		2528
		2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2530	$res = Coro::Storable::thaw $res;
		2531
		2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2533
		2534	die $$res unless "ARRAY" eq ref $res;
		2535
		2536	return wantarray ? @$res : $res->[-1];
		2537	} else {
		2538	reset_signals;
		2539	local $SIG{__WARN__};
		2540	local $SIG{__DIE__};
		2541	eval {
		2542	close $fh1;
		2543
		2544	my @res = eval { $cb->(@args) };
		2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2546	};
		2547
		2548	warn $@ if $@;
		2549	_exit 0;
		2550	}
2226	}	2551	}
2227		2552
2228	#############################################################################	2553	#############################################################################
2229	# the server's main()	2554	# the server's init and main functions
		2555
		2556	sub load_facedata($) {
		2557	my ($path) = @_;
		2558
		2559	warn "loading facedata from $path\n";
		2560
		2561	my $facedata;
		2562	0 < aio_load $path, $facedata
		2563	or die "$path: $!";
		2564
		2565	$facedata = Coro::Storable::thaw $facedata;
		2566
		2567	$facedata->{version} == 2
		2568	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2569
		2570	{
		2571	my $faces = $facedata->{faceinfo};
		2572
		2573	while (my ($face, $info) = each %$faces) {
		2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2578	Coro::cede;
		2579	}
		2580
		2581	while (my ($face, $info) = each %$faces) {
		2582	next unless $info->{smooth};
		2583	my $idx = cf::face::find $face
		2584	or next;
		2585	if (my $smooth = cf::face::find $info->{smooth}) {
		2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2587	} else {
		2588	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2589	}
		2590	Coro::cede;
		2591	}
		2592	}
		2593
		2594	{
		2595	my $anims = $facedata->{animinfo};
		2596
		2597	while (my ($anim, $info) = each %$anims) {
		2598	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2599	Coro::cede;
		2600	}
		2601
		2602	cf::anim::invalidate_all; # d'oh
		2603	}
		2604
		2605	1
		2606	}
		2607
		2608	sub reload_regions {
		2609	load_resource_file "$MAPDIR/regions"
		2610	or die "unable to load regions file\n";
		2611	}
		2612
		2613	sub reload_facedata {
		2614	load_facedata "$DATADIR/facedata"
		2615	or die "unable to load facedata\n";
		2616	}
		2617
		2618	sub reload_archetypes {
		2619	load_resource_file "$DATADIR/archetypes"
		2620	or die "unable to load archetypes\n";
		2621	}
		2622
		2623	sub reload_treasures {
		2624	load_resource_file "$DATADIR/treasures"
		2625	or die "unable to load treasurelists\n";
		2626	}
		2627
		2628	sub reload_resources {
		2629	warn "reloading resource files...\n";
		2630
		2631	reload_regions;
		2632	reload_facedata;
		2633	#reload_archetypes;#d#
		2634	reload_archetypes;
		2635	reload_treasures;
		2636
		2637	warn "finished reloading resource files\n";
		2638	}
		2639
		2640	sub init {
		2641	reload_resources;
		2642	}
2230		2643
2231	sub cfg_load {	2644	sub cfg_load {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	2645	open my $fh, "<:utf8", "$CONFDIR/config"
2233	or return;	2646	or return;
2234		2647
2235	local $/;	2648	local $/;
2236	*CFG = YAML::Syck::Load <$fh>;	2649	*CFG = YAML::Syck::Load <$fh>;
2237		2650
…		…
2251		2664
2252	sub main {	2665	sub main {
2253	# we must not ever block the main coroutine	2666	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	2667	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2669	(async {
2256	async { Event::one_event };	2670	Event::one_event;
		2671	})->prio (Coro::PRIO_MAX);
2257	};	2672	};
2258		2673
2259	cfg_load;	2674	cfg_load;
2260	db_load;	2675	db_init;
2261	load_extensions;	2676	load_extensions;
		2677
		2678	$TICK_WATCHER->start;
2262	Event::loop;	2679	Event::loop;
2263	}	2680	}
2264		2681
2265	#############################################################################	2682	#############################################################################
2266	# initialisation and cleanup	2683	# initialisation and cleanup
2267		2684
2268	# install some emergency cleanup handlers	2685	# install some emergency cleanup handlers
2269	BEGIN {	2686	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	2687	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	2688	Event->signal (
		2689	reentrant => 0,
2272	data => WF_AUTOCANCEL,	2690	data => WF_AUTOCANCEL,
2273	signal => $signal,	2691	signal => $signal,
		2692	prio => 0,
2274	cb => sub {	2693	cb => sub {
2275	cf::cleanup "SIG$signal";	2694	cf::cleanup "SIG$signal";
2276	},	2695	},
2277	);	2696	);
2278	}	2697	}
2279	}	2698	}
…		…
2284	warn "enter emergency perl save\n";	2703	warn "enter emergency perl save\n";
2285		2704
2286	cf::sync_job {	2705	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	2706	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	2707	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	2708	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	2709	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	2710	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	2711	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	2712	$pl->valid or next;
2294	$pl->save;	2713	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	2719	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	2720	$map->valid or next;
2302	$map->save;	2721	$map->save;
2303	}	2722	}
2304	warn "end emergency map save\n";	2723	warn "end emergency map save\n";
		2724
		2725	warn "begin emergency database checkpoint\n";
		2726	BDB::db_env_txn_checkpoint $DB_ENV;
		2727	warn "end emergency database checkpoint\n";
2305	};	2728	};
2306		2729
2307	warn "leave emergency perl save\n";	2730	warn "leave emergency perl save\n";
2308	}	2731	}
2309		2732
		2733	sub post_cleanup {
		2734	my ($make_core) = @_;
		2735
		2736	warn Carp::longmess "post_cleanup backtrace"
		2737	if $make_core;
		2738	}
		2739
2310	sub reload() {	2740	sub do_reload_perl() {
2311	# can/must only be called in main	2741	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	2742	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	2743	warn "can only reload from main coroutine";
2314	return;	2744	return;
2315	}	2745	}
2316		2746
2317	warn "reloading...";	2747	warn "reloading...";
2318		2748
2319	warn "freezing server";	2749	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	2750
		2751	cf::sync_job {
		2752	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2753	cf::emergency_save;
		2754	cf::write_runtime; # external watchdog should not bark
2322		2755
2323	warn "sync database to disk";	2756	warn "syncing database to disk";
2324	cf::db_sync;	2757	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		2758
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved	2759	# if anything goes wrong in here, we should simply crash as we already saved
2329		2760
2330	warn "cancel all watchers";	2761	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	2762	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	2764	}
2334		2765
		2766	warn "flushing outstanding aio requests";
		2767	for (;;) {
		2768	BDB::flush;
		2769	IO::AIO::flush;
		2770	Coro::cede;
		2771	last unless IO::AIO::nreqs || BDB::nreqs;
		2772	warn "iterate...";
		2773	}
		2774
		2775	++$RELOAD;
		2776
2335	warn "cancel all extension coros";	2777	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	2778	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	2779	%EXT_CORO = ();
2338		2780
2339	warn "remove commands";	2781	warn "removing commands";
2340	%COMMAND = ();	2782	%COMMAND = ();
2341		2783
2342	warn "remove ext commands";	2784	warn "removing ext commands";
2343	%EXTCMD = ();	2785	%EXTCMD = ();
2344		2786
2345	warn "unload/nuke all extensions";	2787	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	2788	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	2789	warn "... unloading $pkg";
2348		2790
2349	if (my $cb = $pkg->can ("unload")) {	2791	if (my $cb = $pkg->can ("unload")) {
2350	eval {	2792	eval {
…		…
2355		2797
2356	warn "... nuking $pkg";	2798	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	2799	Symbol::delete_package $pkg;
2358	}	2800	}
2359		2801
2360	warn "unload all perl modules loaded from $LIBDIR";	2802	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	2803	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		2805
2364	warn "removing <$k>";	2806	warn "... unloading $k";
2365	delete $INC{$k};	2807	delete $INC{$k};
2366		2808
2367	$k =~ s/\.pm$//;	2809	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	2810	$k =~ s/\//::/g;
2369		2811
…		…
2372	}	2814	}
2373		2815
2374	Symbol::delete_package $k;	2816	Symbol::delete_package $k;
2375	}	2817	}
2376		2818
2377	warn "get rid of safe::, as good as possible";	2819	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	2820	Symbol::delete_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		2822
2381	warn "unload cf.pm \"a bit\"";	2823	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	2824	delete $INC{"cf.pm"};
		2825	delete $INC{"cf/pod.pm"};
2383		2826
2384	# don't, removes xs symbols, too,	2827	# don't, removes xs symbols, too,
2385	# and global variables created in xs	2828	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	2829	#Symbol::delete_package __PACKAGE__;
2387		2830
		2831	warn "unload completed, starting to reload now";
		2832
2388	warn "reloading cf.pm";	2833	warn "reloading cf.pm";
2389	require cf;	2834	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		2836
2392	warn "load config and database again";	2837	warn "loading config and database again";
2393	cf::cfg_load;	2838	cf::cfg_load;
2394	cf::db_load;
2395		2839
2396	warn "load extensions";	2840	warn "loading extensions";
2397	cf::load_extensions;	2841	cf::load_extensions;
2398		2842
2399	warn "reattach attachments to objects/players";	2843	warn "reattaching attachments to objects/players";
2400	_global_reattach;	2844	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	2845	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	2846	reattach $_ for values %MAP;
2403	};	2847	warn "reattaching attachments to players";
		2848	reattach $_ for values %PLAYER;
2404		2849
2405	if ($@) {	2850	warn "leaving sync_job";
		2851
		2852	1
		2853	} or do {
2406	warn $@;	2854	warn $@;
2407	warn "error while reloading, exiting.";	2855	warn "error while reloading, exiting.";
2408	exit 1;	2856	exit 1;
2409	}	2857	};
2410		2858
2411	warn "reloaded";	2859	warn "reloaded";
2412	};	2860	};
2413		2861
2414	#############################################################################	2862	our $RELOAD_WATCHER; # used only during reload
2415		2863
2416	unless ($LINK_MAP) {	2864	sub reload_perl() {
2417	$LINK_MAP = cf::map::new;	2865	# doing reload synchronously and two reloads happen back-to-back,
		2866	# coro crashes during coro_state_free->destroy here.
2418		2867
2419	$LINK_MAP->width (41);	2868	$RELOAD_WATCHER ||= Event->timer (
2420	$LINK_MAP->height (41);	2869	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,	2870	after => 0,
		2871	data => WF_AUTOCANCEL,
2429	cb => sub {	2872	cb => sub {
2430	$_[0]->w->cancel;	2873	do_reload_perl;
2431		2874	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	});	2875	},
2450		2876	);
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	2877	}
2456		2878
2457	register_command "reload" => sub {	2879	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	2880	my ($who, $arg) = @_;
2459		2881
2460	if ($who->flag (FLAG_WIZ)) {	2882	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	2883	$who->message ("reloading server.");
		2884	async { reload_perl };
2464	}	2885	}
2465	};	2886	};
2466		2887
2467	unshift @INC, $LIBDIR;	2888	unshift @INC, $LIBDIR;
2468		2889
		2890	my $bug_warning = 0;
		2891
		2892	our @WAIT_FOR_TICK;
		2893	our @WAIT_FOR_TICK_BEGIN;
		2894
		2895	sub wait_for_tick {
		2896	return unless $TICK_WATCHER->is_active;
		2897	return if $Coro::current == $Coro::main;
		2898
		2899	my $signal = new Coro::Signal;
		2900	push @WAIT_FOR_TICK, $signal;
		2901	$signal->wait;
		2902	}
		2903
		2904	sub wait_for_tick_begin {
		2905	return unless $TICK_WATCHER->is_active;
		2906	return if $Coro::current == $Coro::main;
		2907
		2908	my $signal = new Coro::Signal;
		2909	push @WAIT_FOR_TICK_BEGIN, $signal;
		2910	$signal->wait;
		2911	}
		2912
		2913	my $min = 1e6;#d#
		2914	my $avg = 10;
2469	$TICK_WATCHER = Event->timer (	2915	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	2916	reentrant => 0,
		2917	parked => 1,
2471	prio => 0,	2918	prio => 0,
2472	at => $NEXT_TICK || $TICK,	2919	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	2920	data => WF_AUTOCANCEL,
2474	cb => sub {	2921	cb => sub {
		2922	if ($Coro::current != $Coro::main) {
		2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2924	unless ++$bug_warning > 10;
		2925	return;
		2926	}
		2927
2475	$NOW = Event::time;	2928	$NOW = $tick_start = Event::time;
2476		2929
2477	cf::server_tick; # one server iteration	2930	cf::server_tick; # one server iteration
		2931
		2932	0 && sync_job {#d#
		2933	for(1..10) {
		2934	my $t = Event::time;
		2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2936	or die;
		2937
		2938	$map->width (50);
		2939	$map->height (50);
		2940	$map->alloc;
		2941	$map->_load_objects ("/tmp/x.map", 1);
		2942	my $t = Event::time - $t;
		2943
		2944	#next unless $t < 0.0013;#d#
		2945	if ($t < $min) {
		2946	$min = $t;
		2947	}
		2948	$avg = $avg * 0.99 + $t * 0.01;
		2949	}
		2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2951	exit 0;
		2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2953	};
		2954
2478	$RUNTIME += $TICK;	2955	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	2956	$NEXT_TICK += $TICK;
2480		2957
2481	$WAIT_FOR_TICK->broadcast;	2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2960	Coro::async_pool {
		2961	write_runtime
		2962	or warn "ERROR: unable to write runtime file: $!";
		2963	};
		2964	}
		2965
		2966	# my $AFTER = Event::time;
		2967	# warn $AFTER - $NOW;#d#
		2968
		2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2970	$sig->send;
		2971	}
		2972	while (my $sig = shift @WAIT_FOR_TICK) {
		2973	$sig->send;
		2974	}
		2975
		2976	$NOW = Event::time;
2483		2977
2484	# if we are delayed by four ticks or more, skip them all	2978	# if we are delayed by four ticks or more, skip them all
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2486		2980
2487	$TICK_WATCHER->at ($NEXT_TICK);	2981	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	2982	$TICK_WATCHER->start;
		2983
		2984	$LOAD = ($NOW - $tick_start) / $TICK;
		2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2986
		2987	_post_tick;
		2988
		2989
2489	},	2990	},
2490	);	2991	);
2491		2992
		2993	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	2994	BDB::max_poll_time $TICK * 0.1;
2493		2995	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	2996	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	2997	fd => BDB::poll_fileno,
2496	poll => 'r',	2998	poll => 'r',
2497	prio => 5,	2999	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	3000	data => WF_AUTOCANCEL,
2504	after => 0,	3001	cb => \&BDB::poll_cb,
2505	interval => 10,	3002	);
2506	cb => sub {	3003	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	3004
2508	write_runtime	3005	BDB::set_sync_prepare {
2509	or warn "ERROR: unable to write runtime file: $!";	3006	my $status;
		3007	my $current = $Coro::current;
		3008	(
		3009	sub {
		3010	$status = $!;
		3011	$current->ready; undef $current;
		3012	},
		3013	sub {
		3014	Coro::schedule while defined $current;
		3015	$! = $status;
		3016	},
		3017	)
		3018	};
		3019
		3020	unless ($DB_ENV) {
		3021	$DB_ENV = BDB::db_env_create;
		3022
		3023	cf::sync_job {
		3024	eval {
		3025	BDB::db_env_open
		3026	$DB_ENV,
		3027	$BDBDIR,
		3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3030	0666;
		3031
		3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3033
		3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3035	$DB_ENV->set_lk_detect;
		3036	};
		3037
		3038	cf::cleanup "db_env_open(db): $@" if $@;
2510	})->();	3039	};
2511	},	3040	}
2512	);	3041	}
		3042
		3043	{
		3044	IO::AIO::min_parallel 8;
		3045
		3046	undef $Coro::AIO::WATCHER;
		3047	IO::AIO::max_poll_time $TICK * 0.1;
		3048	$AIO_POLL_WATCHER = Event->io (
		3049	reentrant => 0,
		3050	data => WF_AUTOCANCEL,
		3051	fd => IO::AIO::poll_fileno,
		3052	poll => 'r',
		3053	prio => 6,
		3054	cb => \&IO::AIO::poll_cb,
		3055	);
		3056	}
		3057
		3058	my $_log_backtrace;
		3059
		3060	sub _log_backtrace {
		3061	my ($msg, @addr) = @_;
		3062
		3063	$msg =~ s/\n//;
		3064
		3065	# limit the # of concurrent backtraces
		3066	if ($_log_backtrace < 2) {
		3067	++$_log_backtrace;
		3068	async {
		3069	my @bt = fork_call {
		3070	@addr = map { sprintf "%x", $_ } @addr;
		3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3073	or die "addr2line: $!";
		3074
		3075	my @funcs;
		3076	my @res = <$fh>;
		3077	chomp for @res;
		3078	while (@res) {
		3079	my ($func, $line) = splice @res, 0, 2, ();
		3080	push @funcs, "[$func] $line";
		3081	}
		3082
		3083	@funcs
		3084	};
		3085
		3086	LOG llevInfo, "[ABT] $msg\n";
		3087	LOG llevInfo, "[ABT] $_\n" for @bt;
		3088	--$_log_backtrace;
		3089	};
		3090	} else {
		3091	LOG llevInfo, "[ABT] $msg\n";
		3092	LOG llevInfo, "[ABT] [suppressed]\n";
		3093	}
		3094	}
		3095
		3096	# load additional modules
		3097	use cf::pod;
2513		3098
2514	END { cf::emergency_save }	3099	END { cf::emergency_save }
2515		3100
2516	1	3101	1
2517		3102

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