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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.164 by root, Thu Jan 11 01:24:25 2007 UTC vs.
Revision 1.274 by root, Tue Jun 5 13:05:02 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	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	sub unlink_save {
522	my ($self) = @_;
523
524	utf8::encode (my $save = $self->save_path);
525	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
526	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
527	}
528
529	package cf;
530		447
531	#############################################################################	448	#############################################################################
532		449
533	=head2 ATTACHABLE OBJECTS	450	=head2 ATTACHABLE OBJECTS
534		451
…		…
660	our @CB_TYPE = (); # registry for type (cf-object class) based events	577	our @CB_TYPE = (); # registry for type (cf-object class) based events
661	our @CB_MAP = ();	578	our @CB_MAP = ();
662		579
663	my %attachment;	580	my %attachment;
664		581
		582	sub cf::attachable::thawer_merge {
		583	# simply override everything except _meta
		584	local $_[0]{_meta};
		585	%{$_[0]} = %{$_[1]};
		586	}
		587
665	sub _attach_cb($$$$) {	588	sub _attach_cb($$$$) {
666	my ($registry, $event, $prio, $cb) = @_;	589	my ($registry, $event, $prio, $cb) = @_;
667		590
668	use sort 'stable';	591	use sort 'stable';
669		592
…		…
703	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
704		627
705	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
706	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
707	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
708	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
709		632
710	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
711	my $pkg = shift @arg;	634	my $pkg = shift @arg;
712		635
713	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
754	if (ref $_[0]) {	677	if (ref $_[0]) {
755	_object_attach @_;	678	_object_attach @_;
756	} else {	679	} else {
757	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
758	}	681	}
		682	_recalc_want;
759	};	683	};
760		684
761	# all those should be optimised	685	# all those should be optimised
762	sub cf::attachable::detach {	686	sub cf::attachable::detach {
763	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
766	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
767	reattach ($obj);	691	reattach ($obj);
768	} else {	692	} else {
769	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
770	}	694	}
		695	_recalc_want;
771	};	696	};
772		697
773	sub cf::attachable::attached {	698	sub cf::attachable::attached {
774	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
775		700
…		…
840	# object support	765	# object support
841		766
842	sub reattach {	767	sub reattach {
843	# basically do the same as instantiate, without calling instantiate	768	# basically do the same as instantiate, without calling instantiate
844	my ($obj) = @_;	769	my ($obj) = @_;
		770
		771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
845		772
846	my $registry = $obj->registry;	773	my $registry = $obj->registry;
847		774
848	@$registry = ();	775	@$registry = ();
849		776
…		…
896	$filename, length $$rdata, scalar @$objs;	823	$filename, length $$rdata, scalar @$objs;
897		824
898	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
899	chmod SAVE_MODE, $fh;	826	chmod SAVE_MODE, $fh;
900	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
901	aio_fsync $fh;	828	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	829	close $fh;
903		830
904	if (@$objs) {	831	if (@$objs) {
905	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) {
906	chmod SAVE_MODE, $fh;	833	chmod SAVE_MODE, $fh;
907	my $data = Storable::nfreeze { version => 1, objs => $objs };	834	my $data = Storable::nfreeze { version => 1, objs => $objs };
908	aio_write $fh, 0, (length $data), $data, 0;	835	aio_write $fh, 0, (length $data), $data, 0;
909	aio_fsync $fh;	836	aio_fsync $fh if $cf::USE_FSYNC;
910	close $fh;	837	close $fh;
911	aio_rename "$filename.pst~", "$filename.pst";	838	aio_rename "$filename.pst~", "$filename.pst";
912	}	839	}
913	} else {	840	} else {
914	aio_unlink "$filename.pst";	841	aio_unlink "$filename.pst";
…		…
946	or return;	873	or return;
947	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
948	}	875	}
949		876
950	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
951	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
952	return ($data, $av);	879	return ($data, $av);
953	}	880	}
954		881
955	#############################################################################	882	#############################################################################
956	# command handling &c	883	# command handling &c
…		…
1036	"package $pkg; use strict; use utf8;\n"	963	"package $pkg; use strict; use utf8;\n"
1037	. "#line 1 \"$path\"\n{\n"	964	. "#line 1 \"$path\"\n{\n"
1038	. (do { local $/; <$fh> })	965	. (do { local $/; <$fh> })
1039	. "\n};\n1";	966	. "\n};\n1";
1040		967
1041	eval $source	968	unless (eval $source) {
1042	or die $@ ? "$path: $@\n"	969	my $msg = $@ ? "$path: $@\n"
1043	: "extension disabled.\n";	970	: "extension disabled.\n";
		971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		972	warn $@;
		973	warn "mandatory extension failed to load, exiting.\n";
		974	exit 1;
		975	}
		976	die $@;
		977	}
1044		978
1045	push @EXTS, $pkg;	979	push @EXTS, $pkg;
1046	}	980	}
1047		981
1048	sub load_extensions {	982	sub load_extensions {
…		…
1054	} or warn "$ext not loaded: $@";	988	} or warn "$ext not loaded: $@";
1055	}	989	}
1056	}	990	}
1057		991
1058	#############################################################################	992	#############################################################################
1059	# load/save/clean perl data associated with a map
1060
1061	*cf::mapsupport::on_clean = sub {
1062	my ($map) = @_;
1063
1064	my $path = $map->tmpname;
1065	defined $path or return;
1066
1067	unlink "$path.pst";
1068	};
1069
1070	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1071
1072	#############################################################################
1073		993
1074	=head2 CORE EXTENSIONS	994	=head2 CORE EXTENSIONS
1075		995
1076	Functions and methods that extend core crossfire objects.	996	Functions and methods that extend core crossfire objects.
1077		997
…		…
1090	Returns the given player object, loading it if necessary (might block).	1010	Returns the given player object, loading it if necessary (might block).
1091		1011
1092	=cut	1012	=cut
1093		1013
1094	sub playerdir($) {	1014	sub playerdir($) {
1095	cf::localdir	1015	"$PLAYERDIR/"
1096	. "/"
1097	. cf::playerdir
1098	. "/"
1099	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1016	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1100	}	1017	}
1101		1018
1102	sub path($) {	1019	sub path($) {
1103	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1020	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1104		1021
1105	(playerdir $login) . "/$login.pl"	1022	(playerdir $login) . "/playerdata"
1106	}	1023	}
1107		1024
1108	sub find_active($) {	1025	sub find_active($) {
1109	$cf::PLAYER{$_[0]}	1026	$cf::PLAYER{$_[0]}
1110	and $cf::PLAYER{$_[0]}->active	1027	and $cf::PLAYER{$_[0]}->active
…		…
1113		1030
1114	sub exists($) {	1031	sub exists($) {
1115	my ($login) = @_;	1032	my ($login) = @_;
1116		1033
1117	$cf::PLAYER{$login}	1034	$cf::PLAYER{$login}
1118	or cf::sync_job { !aio_stat $login }	1035	or cf::sync_job { !aio_stat path $login }
1119	}	1036	}
1120		1037
1121	sub find($) {	1038	sub find($) {
1122	return $cf::PLAYER{$_[0]} || do {	1039	return $cf::PLAYER{$_[0]} || do {
1123	my $login = $_[0];	1040	my $login = $_[0];
1124		1041
1125	my $guard = cf::lock_acquire "user_find:$login";	1042	my $guard = cf::lock_acquire "user_find:$login";
1126		1043
1127	$cf::PLAYER{$_[0]} || do {	1044	$cf::PLAYER{$_[0]} || do {
		1045	# rename old playerfiles to new ones
		1046	#TODO: remove when no longer required
		1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1050	aio_unlink +(playerdir $login) . "/$login.pl";
		1051
1128	my $pl = load_pl path $login	1052	my $pl = load_pl path $login
1129	or return;	1053	or return;
1130	$cf::PLAYER{$login} = $pl	1054	$cf::PLAYER{$login} = $pl
1131	}	1055	}
1132	}	1056	}
…		…
1169		1093
1170	=cut	1094	=cut
1171		1095
1172	sub quit_character {	1096	sub quit_character {
1173	my ($pl) = @_;	1097	my ($pl) = @_;
		1098
		1099	my $name = $pl->ob->name;
1174		1100
1175	$pl->{deny_save} = 1;	1101	$pl->{deny_save} = 1;
1176	$pl->password ("*"); # this should lock out the player until we nuked the dir	1102	$pl->password ("*"); # this should lock out the player until we nuked the dir
1177		1103
1178	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1183	my $path = playerdir $pl;	1109	my $path = playerdir $pl;
1184	my $temp = "$path~$cf::RUNTIME~deleting~";	1110	my $temp = "$path~$cf::RUNTIME~deleting~";
1185	aio_rename $path, $temp;	1111	aio_rename $path, $temp;
1186	delete $cf::PLAYER{$pl->ob->name};	1112	delete $cf::PLAYER{$pl->ob->name};
1187	$pl->destroy;	1113	$pl->destroy;
		1114
		1115	my $prefix = qr<^~\Q$name\E/>;
		1116
		1117	# nuke player maps
		1118	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1119
1188	IO::AIO::aio_rmtree $temp;	1120	IO::AIO::aio_rmtree $temp;
		1121	}
		1122
		1123	=item $pl->kick
		1124
		1125	Kicks a player out of the game. This destroys the connection.
		1126
		1127	=cut
		1128
		1129	sub kick {
		1130	my ($pl, $kicker) = @_;
		1131
		1132	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1133	$pl->killer ("kicked");
		1134	$pl->ns->destroy;
1189	}	1135	}
1190		1136
1191	=item cf::player::list_logins	1137	=item cf::player::list_logins
1192		1138
1193	Returns am arrayref of all valid playernames in the system, can take a	1139	Returns am arrayref of all valid playernames in the system, can take a
1194	while and may block, so not sync_job-capable, ever.	1140	while and may block, so not sync_job-capable, ever.
1195		1141
1196	=cut	1142	=cut
1197		1143
1198	sub list_logins {	1144	sub list_logins {
1199	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1145	my $dirs = aio_readdir $PLAYERDIR
1200	or return [];	1146	or return [];
1201		1147
1202	my @logins;	1148	my @logins;
1203		1149
1204	for my $login (@$dirs) {	1150	for my $login (@$dirs) {
…		…
1213	\@logins	1159	\@logins
1214	}	1160	}
1215		1161
1216	=item $player->maps	1162	=item $player->maps
1217		1163
1218	Returns an arrayref of cf::path's of all maps that are private for this	1164	Returns an arrayref of map paths that are private for this
1219	player. May block.	1165	player. May block.
1220		1166
1221	=cut	1167	=cut
1222		1168
1223	sub maps($) {	1169	sub maps($) {
1224	my ($pl) = @_;	1170	my ($pl) = @_;
		1171
		1172	$pl = ref $pl ? $pl->ob->name : $pl;
1225		1173
1226	my $files = aio_readdir playerdir $pl	1174	my $files = aio_readdir playerdir $pl
1227	or return;	1175	or return;
1228		1176
1229	my @paths;	1177	my @paths;
…		…
1231	for (@$files) {	1179	for (@$files) {
1232	utf8::decode $_;	1180	utf8::decode $_;
1233	next if /\.(?:pl|pst)$/;	1181	next if /\.(?:pl|pst)$/;
1234	next unless /^$PATH_SEP/o;	1182	next unless /^$PATH_SEP/o;
1235		1183
1236	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1184	push @paths, cf::map::normalise "~$pl/$_";
1237	}	1185	}
1238		1186
1239	\@paths	1187	\@paths
1240	}	1188	}
1241		1189
1242	=item $player->ext_reply ($msgid, $msgtype, %msg)	1190	=item $player->ext_reply ($msgid, %msg)
1243		1191
1244	Sends an ext reply to the player.	1192	Sends an ext reply to the player.
1245		1193
1246	=cut	1194	=cut
1247		1195
1248	sub ext_reply($$$%) {	1196	sub ext_reply($$%) {
1249	my ($self, $id, %msg) = @_;	1197	my ($self, $id, %msg) = @_;
1250		1198
1251	$msg{msgid} = $id;	1199	$msg{msgid} = $id;
1252		1200
1253	$self->send ("ext " . cf::to_json \%msg);	1201	$self->send ("ext " . cf::to_json \%msg);
1254	}	1202	}
1255		1203
1256	package cf;	1204	=item $player->ext_event ($type, %msg)
		1205
		1206	Sends an ext event to the client.
		1207
		1208	=cut
		1209
		1210	sub ext_event($$%) {
		1211	my ($self, $type, %msg) = @_;
		1212
		1213	$self->ns->ext_event ($type, %msg);
		1214	}
		1215
		1216	=head3 cf::region
		1217
		1218	=over 4
		1219
		1220	=cut
		1221
		1222	package cf::region;
		1223
		1224	=item cf::region::find_by_path $path
		1225
		1226	Tries to decuce the probable region for a map knowing only its path.
		1227
		1228	=cut
		1229
		1230	sub find_by_path($) {
		1231	my ($path) = @_;
		1232
		1233	my ($match, $specificity);
		1234
		1235	for my $region (list) {
		1236	if ($region->match && $path =~ $region->match) {
		1237	($match, $specificity) = ($region, $region->specificity)
		1238	if $region->specificity > $specificity;
		1239	}
		1240	}
		1241
		1242	$match
		1243	}
1257		1244
1258	=back	1245	=back
1259
1260		1246
1261	=head3 cf::map	1247	=head3 cf::map
1262		1248
1263	=over 4	1249	=over 4
1264		1250
…		…
1267	package cf::map;	1253	package cf::map;
1268		1254
1269	use Fcntl;	1255	use Fcntl;
1270	use Coro::AIO;	1256	use Coro::AIO;
1271		1257
		1258	use overload
		1259	'""' => \&as_string,
		1260	fallback => 1;
		1261
1272	our $MAX_RESET = 3600;	1262	our $MAX_RESET = 3600;
1273	our $DEFAULT_RESET = 3000;	1263	our $DEFAULT_RESET = 3000;
1274		1264
1275	sub generate_random_map {	1265	sub generate_random_map {
1276	my ($path, $rmp) = @_;	1266	my ($self, $rmp) = @_;
1277
1278	# mit "rum" bekleckern, nicht	1267	# mit "rum" bekleckern, nicht
1279	cf::map::_create_random_map (	1268	$self->_create_random_map (
1280	$path,
1281	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1282	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1283	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1284	$rmp->{exit_on_final_map},	1272	$rmp->{exit_on_final_map},
1285	$rmp->{xsize}, $rmp->{ysize},	1273	$rmp->{xsize}, $rmp->{ysize},
…		…
1290	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1291	(cf::region::find $rmp->{region}), $rmp->{custom}	1279	(cf::region::find $rmp->{region}), $rmp->{custom}
1292	)	1280	)
1293	}	1281	}
1294		1282
		1283	=item cf::map->register ($regex, $prio)
		1284
		1285	Register a handler for the map path matching the given regex at the
		1286	givne priority (higher is better, built-in handlers have priority 0, the
		1287	default).
		1288
		1289	=cut
		1290
		1291	sub register {
		1292	my (undef, $regex, $prio) = @_;
		1293	my $pkg = caller;
		1294
		1295	no strict;
		1296	push @{"$pkg\::ISA"}, __PACKAGE__;
		1297
		1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1299	}
		1300
		1301	# also paths starting with '/'
		1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1303
		1304	sub thawer_merge {
		1305	my ($self, $merge) = @_;
		1306
		1307	# we have to keep some variables in memory intact
		1308	local $self->{path};
		1309	local $self->{load_path};
		1310	local $self->{deny_save};
		1311	local $self->{deny_reset};
		1312
		1313	$self->SUPER::thawer_merge ($merge);
		1314	}
		1315
		1316	sub normalise {
		1317	my ($path, $base) = @_;
		1318
		1319	$path = "$path"; # make sure its a string
		1320
		1321	$path =~ s/\.map$//;
		1322
		1323	# map plan:
		1324	#
		1325	# /! non-realised random map exit (special hack!)
		1326	# {... are special paths that are not being touched
		1327	# ?xxx/... are special absolute paths
		1328	# ?random/... random maps
		1329	# /... normal maps
		1330	# ~user/... per-player map of a specific user
		1331
		1332	$path =~ s/$PATH_SEP/\//go;
		1333
		1334	# treat it as relative path if it starts with
		1335	# something that looks reasonable
		1336	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1337	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1338
		1339	$base =~ s{[^/]+/?$}{};
		1340	$path = "$base/$path";
		1341	}
		1342
		1343	for ($path) {
		1344	redo if s{//}{/};
		1345	redo if s{/\.?/}{/};
		1346	redo if s{/[^/]+/\.\./}{/};
		1347	}
		1348
		1349	$path
		1350	}
		1351
		1352	sub new_from_path {
		1353	my (undef, $path, $base) = @_;
		1354
		1355	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1356
		1357	$path = normalise $path, $base;
		1358
		1359	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1360	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1361	my $self = bless cf::map::new, $pkg;
		1362	$self->{path} = $path; $self->path ($path);
		1363	$self->init; # pass $1 etc.
		1364	return $self;
		1365	}
		1366	}
		1367
		1368	Carp::carp "unable to resolve path '$path' (base '$base').";
		1369	()
		1370	}
		1371
		1372	sub init {
		1373	my ($self) = @_;
		1374
		1375	$self
		1376	}
		1377
		1378	sub as_string {
		1379	my ($self) = @_;
		1380
		1381	"$self->{path}"
		1382	}
		1383
		1384	# the displayed name, this is a one way mapping
		1385	sub visible_name {
		1386	&as_string
		1387	}
		1388
		1389	# the original (read-only) location
		1390	sub load_path {
		1391	my ($self) = @_;
		1392
		1393	"$MAPDIR/$self->{path}.map"
		1394	}
		1395
		1396	# the temporary/swap location
		1397	sub save_path {
		1398	my ($self) = @_;
		1399
		1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1401	"$TMPDIR/$path.map"
		1402	}
		1403
		1404	# the unique path, undef == no special unique path
		1405	sub uniq_path {
		1406	my ($self) = @_;
		1407
		1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1409	"$UNIQUEDIR/$path"
		1410	}
		1411
1295	# and all this just because we cannot iterate over	1412	# and all this just because we cannot iterate over
1296	# all maps in C++...	1413	# all maps in C++...
1297	sub change_all_map_light {	1414	sub change_all_map_light {
1298	my ($change) = @_;	1415	my ($change) = @_;
1299		1416
1300	$_->change_map_light ($change)	1417	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1418	for grep $_->outdoor, values %cf::MAP;
1302	}	1419	}
1303		1420
		1421	sub unlink_save {
		1422	my ($self) = @_;
		1423
		1424	utf8::encode (my $save = $self->save_path);
		1425	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1427	}
		1428
1304	sub load_map_header($) {	1429	sub load_header_from($) {
1305	my ($path) = @_;	1430	my ($self, $path) = @_;
1306		1431
1307	utf8::encode $path;	1432	utf8::encode $path;
1308	aio_open $path, O_RDONLY, 0	1433	#aio_open $path, O_RDONLY, 0
		1434	# or return;
		1435
		1436	$self->_load_header ($path)
1309	or return;	1437	or return;
1310		1438
1311	my $map = cf::map::new	1439	$self->{load_path} = $path;
		1440
		1441	1
		1442	}
		1443
		1444	sub load_header_orig {
		1445	my ($self) = @_;
		1446
		1447	$self->load_header_from ($self->load_path)
		1448	}
		1449
		1450	sub load_header_temp {
		1451	my ($self) = @_;
		1452
		1453	$self->load_header_from ($self->save_path)
		1454	}
		1455
		1456	sub prepare_temp {
		1457	my ($self) = @_;
		1458
		1459	$self->last_access ((delete $self->{last_access})
		1460	|| $cf::RUNTIME); #d#
		1461	# safety
		1462	$self->{instantiate_time} = $cf::RUNTIME
		1463	if $self->{instantiate_time} > $cf::RUNTIME;
		1464	}
		1465
		1466	sub prepare_orig {
		1467	my ($self) = @_;
		1468
		1469	$self->{load_original} = 1;
		1470	$self->{instantiate_time} = $cf::RUNTIME;
		1471	$self->last_access ($cf::RUNTIME);
		1472	$self->instantiate;
		1473	}
		1474
		1475	sub load_header {
		1476	my ($self) = @_;
		1477
		1478	if ($self->load_header_temp) {
		1479	$self->prepare_temp;
		1480	} else {
		1481	$self->load_header_orig
1312	or return;	1482	or return;
		1483	$self->prepare_orig;
		1484	}
1313		1485
1314	# for better error messages only, will be overwritten later	1486	$self->default_region (cf::region::find_by_path $self->{path})
1315	$map->path ($path);	1487	unless $self->default_region;
1316		1488
1317	$map->load_header ($path)	1489	1
1318	or return;
1319
1320	$map->{load_path} = $path;
1321
1322	$map
1323	}	1490	}
1324		1491
1325	sub find;	1492	sub find;
1326	sub find {	1493	sub find {
1327	my ($path, $origin) = @_;	1494	my ($path, $origin) = @_;
1328		1495
1329	#warn "find<$path,$origin>\n";#d#
1330
1331	$path = new cf::path $path, $origin && $origin->path;	1496	$path = normalise $path, $origin && $origin->path;
1332	my $key = $path->as_string;
1333		1497
1334	cf::lock_wait "map_find:$key";	1498	cf::lock_wait "map_find:$path";
1335		1499
1336	$cf::MAP{$key} || do {	1500	$cf::MAP{$path} || do {
1337	my $guard = cf::lock_acquire "map_find:$key";	1501	my $guard = cf::lock_acquire "map_find:$path";
1338		1502	my $map = new_from_path cf::map $path
1339	# do it the slow way
1340	my $map = $path->load_temp;
1341
1342	Coro::cede;
1343
1344	if ($map) {
1345	$map->last_access ((delete $map->{last_access})
1346	|| $cf::RUNTIME); #d#
1347	# safety
1348	$map->{instantiate_time} = $cf::RUNTIME
1349	if $map->{instantiate_time} > $cf::RUNTIME;
1350	} else {
1351	$map = $path->load_orig
1352	or return;	1503	or return;
1353		1504
1354	$map->{load_original} = 1;
1355	$map->{instantiate_time} = $cf::RUNTIME;
1356	$map->last_access ($cf::RUNTIME);
1357	$map->instantiate;
1358
1359	# per-player maps become, after loading, normal maps
1360	$map->per_player (0) if $path->{user_rel};
1361	}
1362
1363	$map->path ($key);
1364	$map->{path} = $path;
1365	$map->{last_save} = $cf::RUNTIME;	1505	$map->{last_save} = $cf::RUNTIME;
1366		1506
1367	Coro::cede;	1507	$map->load_header
		1508	or return;
1368		1509
1369	if ($map->should_reset) {	1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1511	# doing this can freeze the server in a sync job, obviously
		1512	#$cf::WAIT_FOR_TICK->wait;
1370	$map->reset;	1513	$map->reset;
1371	undef $guard;	1514	undef $guard;
1372	$map = find $path	1515	return find $path;
1373	or return;
1374	}	1516	}
1375		1517
1376	$cf::MAP{$key} = $map	1518	$cf::MAP{$path} = $map
1377	}	1519	}
1378	}	1520	}
		1521
		1522	sub pre_load { }
		1523	sub post_load { }
1379		1524
1380	sub load {	1525	sub load {
1381	my ($self) = @_;	1526	my ($self) = @_;
1382		1527
		1528	local $self->{deny_reset} = 1; # loading can take a long time
		1529
1383	my $path = $self->{path};	1530	my $path = $self->{path};
		1531
		1532	{
1384	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1533	my $guard = cf::lock_acquire "map_load:$path";
1385		1534
1386	return if $self->in_memory != cf::MAP_SWAPPED;	1535	return if $self->in_memory != cf::MAP_SWAPPED;
1387		1536
1388	$self->in_memory (cf::MAP_LOADING);	1537	$self->in_memory (cf::MAP_LOADING);
1389		1538
1390	$self->alloc;	1539	$self->alloc;
		1540
		1541	$self->pre_load;
		1542	Coro::cede;
		1543
1391	$self->load_objects ($self->{load_path}, 1)	1544	$self->_load_objects ($self->{load_path}, 1)
1392	or return;	1545	or return;
1393		1546
1394	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1395	if delete $self->{load_original};	1548	if delete $self->{load_original};
1396		1549
1397	if (my $uniq = $path->uniq_path) {	1550	if (my $uniq = $self->uniq_path) {
1398	utf8::encode $uniq;	1551	utf8::encode $uniq;
1399	if (aio_open $uniq, O_RDONLY, 0) {	1552	if (aio_open $uniq, O_RDONLY, 0) {
1400	$self->clear_unique_items;	1553	$self->clear_unique_items;
1401	$self->load_objects ($uniq, 0);	1554	$self->_load_objects ($uniq, 0);
1402	}	1555	}
1403	}	1556	}
1404		1557
1405	Coro::cede;	1558	Coro::cede;
1406
1407	# now do the right thing for maps	1559	# now do the right thing for maps
1408	$self->link_multipart_objects;	1560	$self->link_multipart_objects;
1409
1410	if ($self->{path}->is_style_map) {
1411	$self->{deny_save} = 1;
1412	$self->{deny_reset} = 1;
1413	} else {
1414	$self->decay_objects;
1415	$self->fix_auto_apply;
1416	$self->update_buttons;
1417	$self->set_darkness_map;
1418	$self->difficulty ($self->estimate_difficulty)	1561	$self->difficulty ($self->estimate_difficulty)
1419	unless $self->difficulty;	1562	unless $self->difficulty;
		1563	Coro::cede;
		1564
		1565	unless ($self->{deny_activate}) {
		1566	$self->decay_objects;
		1567	$self->fix_auto_apply;
		1568	$self->update_buttons;
		1569	Coro::cede;
		1570	$self->set_darkness_map;
		1571	Coro::cede;
1420	$self->activate;	1572	$self->activate;
1421	}	1573	}
1422		1574
1423	Coro::cede;
1424
1425	$self->in_memory (cf::MAP_IN_MEMORY);	1575	$self->in_memory (cf::MAP_IN_MEMORY);
		1576	}
		1577
		1578	$self->post_load;
		1579	}
		1580
		1581	sub customise_for {
		1582	my ($self, $ob) = @_;
		1583
		1584	return find "~" . $ob->name . "/" . $self->{path}
		1585	if $self->per_player;
		1586
		1587	$self
1426	}	1588	}
1427		1589
1428	# find and load all maps in the 3x3 area around a map	1590	# find and load all maps in the 3x3 area around a map
1429	sub load_diag {	1591	sub load_diag {
1430	my ($map) = @_;	1592	my ($map) = @_;
…		…
1460		1622
1461	cf::sync_job { $map->load };	1623	cf::sync_job { $map->load };
1462	}	1624	}
1463		1625
1464	our %MAP_PREFETCH;	1626	our %MAP_PREFETCH;
1465	our $MAP_PREFETCHER = Coro::async {	1627	our $MAP_PREFETCHER = undef;
1466	while () {
1467	while (%MAP_PREFETCH) {
1468	my $key = each %MAP_PREFETCH
1469	or next;
1470	my $path = delete $MAP_PREFETCH{$key};
1471
1472	my $map = find $path
1473	or next;
1474	$map->load;
1475	}
1476	Coro::schedule;
1477	}
1478	};
1479		1628
1480	sub find_async {	1629	sub find_async {
1481	my ($path, $origin) = @_;	1630	my ($path, $origin) = @_;
1482		1631
1483	$path = new cf::path $path, $origin && $origin->path;	1632	$path = normalise $path, $origin && $origin->{path};
1484	my $key = $path->as_string;
1485		1633
1486	if (my $map = $cf::MAP{$key}) {	1634	if (my $map = $cf::MAP{$path}) {
1487	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1488	}	1636	}
1489		1637
1490	$MAP_PREFETCH{$key} = $path;	1638	undef $MAP_PREFETCH{$path};
		1639	$MAP_PREFETCHER ||= cf::async {
		1640	while (%MAP_PREFETCH) {
		1641	for my $path (keys %MAP_PREFETCH) {
		1642	my $map = find $path
		1643	or next;
		1644	$map->load;
		1645
		1646	delete $MAP_PREFETCH{$path};
		1647	}
		1648	}
		1649	undef $MAP_PREFETCHER;
		1650	};
1491	$MAP_PREFETCHER->ready;	1651	$MAP_PREFETCHER->prio (6);
1492		1652
1493	()	1653	()
1494	}	1654	}
1495		1655
1496	sub save {	1656	sub save {
…		…
1500		1660
1501	$self->{last_save} = $cf::RUNTIME;	1661	$self->{last_save} = $cf::RUNTIME;
1502		1662
1503	return unless $self->dirty;	1663	return unless $self->dirty;
1504		1664
1505	my $save = $self->{path}->save_path; utf8::encode $save;	1665	my $save = $self->save_path; utf8::encode $save;
1506	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1666	my $uniq = $self->uniq_path; utf8::encode $uniq;
1507		1667
1508	$self->{load_path} = $save;	1668	$self->{load_path} = $save;
1509		1669
1510	return if $self->{deny_save};	1670	return if $self->{deny_save};
1511		1671
…		…
1514	cf::async {	1674	cf::async {
1515	$_->contr->save for $self->players;	1675	$_->contr->save for $self->players;
1516	};	1676	};
1517		1677
1518	if ($uniq) {	1678	if ($uniq) {
1519	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1520	$self->save_objects ($uniq, cf::IO_UNIQUES);	1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1521	} else {	1681	} else {
1522	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1682	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1523	}	1683	}
1524	}	1684	}
1525		1685
1526	sub swap_out {	1686	sub swap_out {
1527	my ($self) = @_;	1687	my ($self) = @_;
…		…
1541		1701
1542	sub reset_at {	1702	sub reset_at {
1543	my ($self) = @_;	1703	my ($self) = @_;
1544		1704
1545	# TODO: safety, remove and allow resettable per-player maps	1705	# TODO: safety, remove and allow resettable per-player maps
1546	return 1e99 if $self->{path}{user_rel};	1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1547	return 1e99 if $self->{deny_reset};	1707	return 1e99 if $self->{deny_reset};
1548		1708
1549	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1550	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1551		1711
…		…
1556	my ($self) = @_;	1716	my ($self) = @_;
1557		1717
1558	$self->reset_at <= $cf::RUNTIME	1718	$self->reset_at <= $cf::RUNTIME
1559	}	1719	}
1560		1720
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->{path}->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	1721	sub reset {
1575	my ($self) = @_;	1722	my ($self) = @_;
1576		1723
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	1724	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		1725
1579	return if $self->players;	1726	return if $self->players;
1580	return if $self->{path}{user_rel};#d#	1727	return if $self->isa ("ext::map_per_player");#d#
1581		1728
1582	warn "resetting map ", $self->path;#d#	1729	warn "resetting map ", $self->path;
		1730
		1731	$self->in_memory (cf::MAP_SWAPPED);
		1732
		1733	# need to save uniques path
		1734	unless ($self->{deny_save}) {
		1735	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1736
		1737	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1738	if $uniq;
		1739	}
1583		1740
1584	delete $cf::MAP{$self->path};	1741	delete $cf::MAP{$self->path};
1585		1742
		1743	$self->clear;
		1744
1586	$_->clear_links_to ($self) for values %cf::MAP;	1745	$_->clear_links_to ($self) for values %cf::MAP;
1587		1746
1588	$self->{path}->unlink_save;	1747	$self->unlink_save;
1589	$self->destroy;	1748	$self->destroy;
1590	}	1749	}
1591		1750
1592	my $nuke_counter = "aaaa";	1751	my $nuke_counter = "aaaa";
1593		1752
1594	sub nuke {	1753	sub nuke {
1595	my ($self) = @_;	1754	my ($self) = @_;
1596		1755
		1756	delete $cf::MAP{$self->path};
		1757
		1758	$self->unlink_save;
		1759
		1760	bless $self, "cf::map";
		1761	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	1762	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	1763	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1765
		1766	$cf::MAP{$self->path} = $self;
		1767
1600	$self->reset; # polite request, might not happen	1768	$self->reset; # polite request, might not happen
1601	}	1769	}
1602		1770
1603	sub customise_for {
1604	my ($map, $ob) = @_;
1605
1606	if ($map->per_player) {
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1608	}
1609
1610	$map
1611	}
1612
1613	=item cf::map::unique_maps	1771	=item cf::map::unique_maps
1614		1772
1615	Returns an arrayref of cf::path's of all shared maps that have	1773	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	1774	instantiated unique items. May block.
1617		1775
1618	=cut	1776	=cut
1619		1777
1620	sub unique_maps() {	1778	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1779	my $files = aio_readdir $UNIQUEDIR
1622	or return;	1780	or return;
1623		1781
1624	my @paths;	1782	my @paths;
1625		1783
1626	for (@$files) {	1784	for (@$files) {
1627	utf8::decode $_;	1785	utf8::decode $_;
1628	next if /\.pst$/;	1786	next if /\.pst$/;
1629	next unless /^$PATH_SEP/o;	1787	next unless /^$PATH_SEP/o;
1630		1788
1631	push @paths, new cf::path $_;	1789	push @paths, cf::map::normalise $_;
1632	}	1790	}
1633		1791
1634	\@paths	1792	\@paths
1635	}	1793	}
1636		1794
…		…
1711		1869
1712	=item $player_object->enter_link	1870	=item $player_object->enter_link
1713		1871
1714	Freezes the player and moves him/her to a special map (C<{link}>).	1872	Freezes the player and moves him/her to a special map (C<{link}>).
1715		1873
1716	The player should be reaosnably safe there for short amounts of time. You	1874	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	1875	I<MUST> call C<leave_link> as soon as possible, though.
1718		1876
		1877	Will never block.
		1878
1719	=item $player_object->leave_link ($map, $x, $y)	1879	=item $player_object->leave_link ($map, $x, $y)
1720		1880
1721	Moves the player out of the specila link map onto the given map. If the	1881	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	1882	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	1883	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	1884	fails, to the emergency map position.
1725		1885
1726	Might block.	1886	Might block.
1727		1887
1728	=cut	1888	=cut
		1889
		1890	sub link_map {
		1891	unless ($LINK_MAP) {
		1892	$LINK_MAP = cf::map::find "{link}"
		1893	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1894	$LINK_MAP->load;
		1895	}
		1896
		1897	$LINK_MAP
		1898	}
1729		1899
1730	sub cf::object::player::enter_link {	1900	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1901	my ($self) = @_;
1732		1902
1733	$self->deactivate_recursive;	1903	$self->deactivate_recursive;
1734		1904
1735	return if $self->map == $LINK_MAP;	1905	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1906
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1907	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1908	if $self->map && $self->map->{path} ne "{link}";
1739		1909
1740	$self->enter_map ($LINK_MAP, 20, 20);	1910	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1911	}
1742		1912
1743	sub cf::object::player::leave_link {	1913	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1914	my ($self, $map, $x, $y) = @_;
		1915
		1916	return unless $self->contr->active;
1745		1917
1746	my $link_pos = delete $self->{_link_pos};	1918	my $link_pos = delete $self->{_link_pos};
1747		1919
1748	unless ($map) {	1920	unless ($map) {
1749	# restore original map position	1921	# restore original map position
…		…
1767	$map->load;	1939	$map->load;
1768	$map->load_diag;	1940	$map->load_diag;
1769		1941
1770	return unless $self->contr->active;	1942	return unless $self->contr->active;
1771	$self->activate_recursive;	1943	$self->activate_recursive;
		1944
		1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	1946	$self->enter_map ($map, $x, $y);
1773	}	1947	}
1774		1948
1775	cf::player->attach (
1776	on_logout => sub {
1777	my ($pl) = @_;
1778
1779	# abort map switching before logout
1780	if ($pl->ob->{_link_pos}) {
1781	cf::sync_job {
1782	$pl->ob->leave_link
1783	};
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)	1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1808		1950
		1951	Moves the player to the given map-path and coordinates by first freezing
		1952	her, loading and preparing them map, calling the provided $check callback
		1953	that has to return the map if sucecssful, and then unfreezes the player on
		1954	the new (success) or old (failed) map position.
		1955
1809	=cut	1956	=cut
		1957
		1958	our $GOTOGEN;
1810		1959
1811	sub cf::object::player::goto {	1960	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	1961	my ($self, $path, $x, $y, $check) = @_;
1813		1962
1814	$path = new cf::path $path;	1963	# do generation counting so two concurrent goto's will be executed in-order
		1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		1965
1816	$self->enter_link;	1966	$self->enter_link;
1817		1967
1818	(async {	1968	(async {
		1969	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	1970	my $map = cf::map::find $path;
		1971
		1972	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	1973	$map = $map->customise_for ($self);
1821		1974	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	1975	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1977	}
1826		1978
		1979	$map
		1980	};
		1981
		1982	if ($@) {
		1983	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		1984	LOG llevError | logBacktrace, Carp::longmess $@;
		1985	}
		1986
		1987	if ($gen == $self->{_goto_generation}) {
		1988	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	1989	$self->leave_link ($map, $x, $y);
		1990	}
1828	})->prio (1);	1991	})->prio (1);
1829	}	1992	}
1830		1993
1831	=item $player_object->enter_exit ($exit_object)	1994	=item $player_object->enter_exit ($exit_object)
1832		1995
…		…
1834		1997
1835	sub parse_random_map_params {	1998	sub parse_random_map_params {
1836	my ($spec) = @_;	1999	my ($spec) = @_;
1837		2000
1838	my $rmp = { # defaults	2001	my $rmp = { # defaults
1839	xsize => 10,	2002	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2003	ysize => (cf::rndm 15, 40),
		2004	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2005	#layout => string,
1841	};	2006	};
1842		2007
1843	for (split /\n/, $spec) {	2008	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2009	my ($k, $v) = split /\s+/, $_, 2;
1845		2010
…		…
1849	$rmp	2014	$rmp
1850	}	2015	}
1851		2016
1852	sub prepare_random_map {	2017	sub prepare_random_map {
1853	my ($exit) = @_;	2018	my ($exit) = @_;
		2019
		2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		2021
1855	# all this does is basically replace the /! path by	2022	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	2023	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	2024	# that depends on the exit object
1858		2025
1859	my $rmp = parse_random_map_params $exit->msg;	2026	my $rmp = parse_random_map_params $exit->msg;
1860		2027
1861	if ($exit->map) {	2028	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2029	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2030	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2031	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2032	$rmp->{origin_y} = $exit->y;
1866	}	2033	}
1867		2034
1868	$rmp->{random_seed} ||= $exit->random_seed;	2035	$rmp->{random_seed} ||= $exit->random_seed;
1869		2036
1870	my $data = cf::to_json $rmp;	2037	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	2038	my $md5 = Digest::MD5::md5_hex $data;
		2039	my $meta = "$RANDOMDIR/$md5.meta";
1872		2040
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2042	aio_write $fh, 0, (length $data), $data, 0;
		2043	undef $fh;
		2044	aio_rename "$meta~", $meta;
1875		2045
1876	$exit->slaying ("?random/$md5");	2046	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2047	$exit->msg (undef);
1878	}	2048	}
1879	}	2049	}
1880		2050
1881	sub cf::object::player::enter_exit {	2051	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2052	my ($self, $exit) = @_;
1883		2053
1884	return unless $self->type == cf::PLAYER;	2054	return unless $self->type == cf::PLAYER;
		2055
		2056	if ($exit->slaying eq "/!") {
		2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2058	# the problem is that $exit might not survive long enough
		2059	# so it needs to be done right now, right here
		2060	cf::sync_job { prepare_random_map $exit };
		2061	}
		2062
		2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2064	my $hp = $exit->stats->hp;
		2065	my $sp = $exit->stats->sp;
1885		2066
1886	$self->enter_link;	2067	$self->enter_link;
1887		2068
1888	(async {	2069	(async {
1889	$self->deactivate_recursive; # just to be sure	2070	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2071	unless (eval {
1891	prepare_random_map $exit	2072	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		2073
1897	1;	2074	1;
1898	}) {	2075	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2076	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	2077	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2078	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2079	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2080
1904	warn "ERROR in enter_exit: $@";	2081	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2082	$self->leave_link;
1906	}	2083	}
1907	})->prio (1);	2084	})->prio (1);
…		…
1920		2097
1921	sub cf::client::send_drawinfo {	2098	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2099	my ($self, $text, $flags) = @_;
1923		2100
1924	utf8::encode $text;	2101	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2103	}
1927		2104
		2105	=item $client->ext_event ($type, %msg)
		2106
		2107	Sends an exti event to the client.
		2108
		2109	=cut
		2110
		2111	sub cf::client::ext_event($$%) {
		2112	my ($self, $type, %msg) = @_;
		2113
		2114	$msg{msgtype} = "event_$type";
		2115	$self->send_packet ("ext " . cf::to_json \%msg);
		2116	}
1928		2117
1929	=item $success = $client->query ($flags, "text", \&cb)	2118	=item $success = $client->query ($flags, "text", \&cb)
1930		2119
1931	Queues a query to the client, calling the given callback with	2120	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1961	# get handled first	2150	# get handled first
1962	my $queue = delete $ns->{query_queue}	2151	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2152	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2153
1965	(shift @$queue)->[1]->($msg);	2154	(shift @$queue)->[1]->($msg);
		2155	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2156
1967	push @{ $ns->{query_queue} }, @$queue;	2157	push @{ $ns->{query_queue} }, @$queue;
1968		2158
1969	if (@{ $ns->{query_queue} } == @$queue) {	2159	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2160	if (@$queue) {
…		…
2028		2218
2029	# here we export the classes and methods available to script code	2219	# here we export the classes and methods available to script code
2030		2220
2031	=pod	2221	=pod
2032		2222
2033	The following fucntions and emthods are available within a safe environment:	2223	The following functions and methods are available within a safe environment:
2034		2224
2035	cf::object contr pay_amount pay_player map	2225	cf::object contr pay_amount pay_player map
2036	cf::object::player player	2226	cf::object::player player
2037	cf::player peaceful	2227	cf::player peaceful
2038	cf::map trigger	2228	cf::map trigger
…		…
2123	#############################################################################	2313	#############################################################################
2124		2314
2125	=head2 EXTENSION DATABASE SUPPORT	2315	=head2 EXTENSION DATABASE SUPPORT
2126		2316
2127	Crossfire maintains a very simple database for extension use. It can	2317	Crossfire maintains a very simple database for extension use. It can
2128	currently store anything that can be serialised using Storable, which	2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2129	excludes objects.	2319	convert to/from binary).
2130		2320
2131	The parameter C<$family> should best start with the name of the extension	2321	The parameter C<$family> should best start with the name of the extension
2132	using it, it should be unique.	2322	using it, it should be unique.
2133		2323
2134	=over 4	2324	=over 4
2135		2325
2136	=item $hashref = cf::db_get $family
2137
2138	Return a hashref for use by the extension C<$family>, which can be
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141
2142	=item $value = cf::db_get $family => $key	2326	=item $value = cf::db_get $family => $key
2143		2327
2144	Returns a single value from the database	2328	Returns a single value from the database.
2145
2146	=item cf::db_put $family => $hashref
2147
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150		2329
2151	=item cf::db_put $family => $key => $value	2330	=item cf::db_put $family => $key => $value
2152		2331
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you	2332	Stores the given C<$value> in the family.
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163		2333
2164	=cut	2334	=cut
2165		2335
2166	our $DB;	2336	our $DB;
2167		2337
2168	{	2338	sub db_init {
2169	my $path = cf::localdir . "/database.pst";	2339	unless ($DB) {
		2340	$DB = BDB::db_create $DB_ENV;
2170		2341
2171	sub db_load() {	2342	cf::sync_job {
2172	$DB = stat $path ? Storable::retrieve $path : { };	2343	eval {
2173	}	2344	$DB->set_flags (BDB::CHKSUM);
2174		2345
2175	my $pid;	2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2176		2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2177	sub db_save() {	2348	cf::cleanup "db_open(db): $!" if $!;
2178	waitpid $pid, 0 if $pid;	2349	};
2179	if (0 == ($pid = fork)) {	2350	cf::cleanup "db_open(db): $@" if $@;
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}	2351	};
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	2352	}
		2353	}
2197		2354
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}
2202
2203	sub db_get($;$) {	2355	sub db_get($$) {
2204	@_ >= 2	2356	my $key = "$_[0]/$_[1]";
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208		2357
		2358	cf::sync_job {
		2359	BDB::db_get $DB, undef, $key, my $data;
		2360
		2361	$! ? ()
		2362	: $data
		2363	}
		2364	}
		2365
2209	sub db_put($$;$) {	2366	sub db_put($$$) {
2210	if (@_ >= 3) {	2367	BDB::dbreq_pri 4;
2211	$DB->{$_[0]}{$_[1]} = $_[2];	2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2212	} else {	2369	}
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217		2370
2218	cf::global->attach (	2371	=item cf::cache $id => [$paths...], $processversion => $process
2219	prio => 10000,	2372
2220	on_cleanup => sub {	2373	Generic caching function that returns the value of the resource $id,
2221	db_sync;	2374	caching and regenerating as required.
		2375
		2376	This function can block.
		2377
		2378	=cut
		2379
		2380	sub cache {
		2381	my ($id, $src, $processversion, $process) = @_;
		2382
		2383	my $meta =
		2384	join "\x00",
		2385	$processversion,
		2386	map {
		2387	aio_stat $_
		2388	and Carp::croak "$_: $!";
		2389
		2390	($_, (stat _)[7,9])
		2391	} @$src;
		2392
		2393	my $dbmeta = db_get cache => "$id/meta";
		2394	if ($dbmeta ne $meta) {
		2395	# changed, we may need to process
		2396
		2397	my @data;
		2398	my $md5;
		2399
		2400	for (0 .. $#$src) {
		2401	0 <= aio_load $src->[$_], $data[$_]
		2402	or Carp::croak "$src->[$_]: $!";
2222	},	2403	}
2223	);	2404
		2405	# if processing is expensive, check
		2406	# checksum first
		2407	if (1) {
		2408	$md5 =
		2409	join "\x00",
		2410	$processversion,
		2411	map {
		2412	Coro::cede;
		2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2414	} 0.. $#$src;
		2415
		2416
		2417	my $dbmd5 = db_get cache => "$id/md5";
		2418	if ($dbmd5 eq $md5) {
		2419	db_put cache => "$id/meta", $meta;
		2420
		2421	return db_get cache => "$id/data";
		2422	}
		2423	}
		2424
		2425	my $t1 = Time::HiRes::time;
		2426	my $data = $process->(\@data);
		2427	my $t2 = Time::HiRes::time;
		2428
		2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2430
		2431	db_put cache => "$id/data", $data;
		2432	db_put cache => "$id/md5" , $md5;
		2433	db_put cache => "$id/meta", $meta;
		2434
		2435	return $data;
		2436	}
		2437
		2438	db_get cache => "$id/data"
		2439	}
		2440
		2441	=item fork_call { }, $args
		2442
		2443	Executes the given code block with the given arguments in a seperate
		2444	process, returning the results. Everything must be serialisable with
		2445	Coro::Storable. May, of course, block. Note that the executed sub may
		2446	never block itself or use any form of Event handling.
		2447
		2448	=cut
		2449
		2450	sub fork_call(&@) {
		2451	my ($cb, @args) = @_;
		2452
		2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2454	# or die "socketpair: $!";
		2455	pipe my $fh1, my $fh2
		2456	or die "pipe: $!";
		2457
		2458	if (my $pid = fork) {
		2459	close $fh2;
		2460
		2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2462	$res = Coro::Storable::thaw $res;
		2463
		2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2465
		2466	die $$res unless "ARRAY" eq ref $res;
		2467
		2468	return wantarray ? @$res : $res->[-1];
		2469	} else {
		2470	reset_signals;
		2471	local $SIG{__WARN__};
		2472	local $SIG{__DIE__};
		2473	eval {
		2474	close $fh1;
		2475
		2476	my @res = eval { $cb->(@args) };
		2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2478	};
		2479
		2480	warn $@ if $@;
		2481	_exit 0;
		2482	}
2224	}	2483	}
2225		2484
2226	#############################################################################	2485	#############################################################################
2227	# the server's main()	2486	# the server's init and main functions
		2487
		2488	sub load_facedata($) {
		2489	my ($path) = @_;
		2490
		2491	warn "loading facedata from $path\n";
		2492
		2493	my $facedata;
		2494	0 < aio_load $path, $facedata
		2495	or die "$path: $!";
		2496
		2497	$facedata = Coro::Storable::thaw $facedata;
		2498
		2499	$facedata->{version} == 2
		2500	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2501
		2502	{
		2503	my $faces = $facedata->{faceinfo};
		2504
		2505	while (my ($face, $info) = each %$faces) {
		2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2510	Coro::cede;
		2511	}
		2512
		2513	while (my ($face, $info) = each %$faces) {
		2514	next unless $info->{smooth};
		2515	my $idx = cf::face::find $face
		2516	or next;
		2517	if (my $smooth = cf::face::find $info->{smooth}) {
		2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2519	} else {
		2520	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2521	}
		2522	Coro::cede;
		2523	}
		2524	}
		2525
		2526	{
		2527	my $anims = $facedata->{animinfo};
		2528
		2529	while (my ($anim, $info) = each %$anims) {
		2530	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2531	Coro::cede;
		2532	}
		2533
		2534	cf::anim::invalidate_all; # d'oh
		2535	}
		2536
		2537	1
		2538	}
		2539
		2540	sub reload_regions {
		2541	load_resource_file "$MAPDIR/regions"
		2542	or die "unable to load regions file\n";
		2543	}
		2544
		2545	sub reload_facedata {
		2546	load_facedata "$DATADIR/facedata"
		2547	or die "unable to load facedata\n";
		2548	}
		2549
		2550	sub reload_archetypes {
		2551	load_resource_file "$DATADIR/archetypes"
		2552	or die "unable to load archetypes\n";
		2553	}
		2554
		2555	sub reload_treasures {
		2556	load_resource_file "$DATADIR/treasures"
		2557	or die "unable to load treasurelists\n";
		2558	}
		2559
		2560	sub reload_resources {
		2561	warn "reloading resource files...\n";
		2562
		2563	reload_regions;
		2564	reload_facedata;
		2565	#reload_archetypes;#d#
		2566	reload_archetypes;
		2567	reload_treasures;
		2568
		2569	warn "finished reloading resource files\n";
		2570	}
		2571
		2572	sub init {
		2573	reload_resources;
		2574	}
2228		2575
2229	sub cfg_load {	2576	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2577	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	2578	or return;
2232		2579
2233	local $/;	2580	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	2581	*CFG = YAML::Syck::Load <$fh>;
2235		2582
…		…
2249		2596
2250	sub main {	2597	sub main {
2251	# we must not ever block the main coroutine	2598	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2599	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2600	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2601	(async {
2254	async { Event::one_event };	2602	Event::one_event;
		2603	})->prio (Coro::PRIO_MAX);
2255	};	2604	};
2256		2605
2257	cfg_load;	2606	cfg_load;
2258	db_load;	2607	db_init;
2259	load_extensions;	2608	load_extensions;
		2609
		2610	$TICK_WATCHER->start;
2260	Event::loop;	2611	Event::loop;
2261	}	2612	}
2262		2613
2263	#############################################################################	2614	#############################################################################
2264	# initialisation and cleanup	2615	# initialisation and cleanup
2265		2616
2266	# install some emergency cleanup handlers	2617	# install some emergency cleanup handlers
2267	BEGIN {	2618	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2619	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2620	Event->signal (
		2621	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2622	data => WF_AUTOCANCEL,
2271	signal => $signal,	2623	signal => $signal,
		2624	prio => 0,
2272	cb => sub {	2625	cb => sub {
2273	cf::cleanup "SIG$signal";	2626	cf::cleanup "SIG$signal";
2274	},	2627	},
2275	);	2628	);
2276	}	2629	}
2277	}	2630	}
…		…
2282	warn "enter emergency perl save\n";	2635	warn "enter emergency perl save\n";
2283		2636
2284	cf::sync_job {	2637	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	2638	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	2639	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	2640	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	2641	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	2642	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	2643	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	2644	$pl->valid or next;
2292	$pl->save;	2645	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	2651	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	2652	$map->valid or next;
2300	$map->save;	2653	$map->save;
2301	}	2654	}
2302	warn "end emergency map save\n";	2655	warn "end emergency map save\n";
		2656
		2657	warn "begin emergency database checkpoint\n";
		2658	BDB::db_env_txn_checkpoint $DB_ENV;
		2659	warn "end emergency database checkpoint\n";
2303	};	2660	};
2304		2661
2305	warn "leave emergency perl save\n";	2662	warn "leave emergency perl save\n";
2306	}	2663	}
2307		2664
		2665	sub post_cleanup {
		2666	my ($make_core) = @_;
		2667
		2668	warn Carp::longmess "post_cleanup backtrace"
		2669	if $make_core;
		2670	}
		2671
2308	sub reload() {	2672	sub do_reload_perl() {
2309	# can/must only be called in main	2673	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	2674	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	2675	warn "can only reload from main coroutine";
2312	return;	2676	return;
2313	}	2677	}
2314		2678
2315	warn "reloading...";	2679	warn "reloading...";
2316		2680
2317	warn "freezing server";	2681	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	2682
		2683	cf::sync_job {
		2684	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2685	cf::emergency_save;
		2686	cf::write_runtime; # external watchdog should not bark
2320		2687
2321	warn "sync database to disk";	2688	warn "syncing database to disk";
2322	cf::db_sync;	2689	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		2690
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	2691	# if anything goes wrong in here, we should simply crash as we already saved
2327		2692
2328	warn "cancel all watchers";	2693	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	2694	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	2695	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	2696	}
2332		2697
		2698	warn "flushing outstanding aio requests";
		2699	for (;;) {
		2700	BDB::flush;
		2701	IO::AIO::flush;
		2702	Coro::cede;
		2703	last unless IO::AIO::nreqs || BDB::nreqs;
		2704	warn "iterate...";
		2705	}
		2706
		2707	++$RELOAD;
		2708
2333	warn "cancel all extension coros";	2709	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	2710	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	2711	%EXT_CORO = ();
2336		2712
2337	warn "remove commands";	2713	warn "removing commands";
2338	%COMMAND = ();	2714	%COMMAND = ();
2339		2715
2340	warn "remove ext commands";	2716	warn "removing ext commands";
2341	%EXTCMD = ();	2717	%EXTCMD = ();
2342		2718
2343	warn "unload/nuke all extensions";	2719	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	2720	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	2721	warn "... unloading $pkg";
2346		2722
2347	if (my $cb = $pkg->can ("unload")) {	2723	if (my $cb = $pkg->can ("unload")) {
2348	eval {	2724	eval {
…		…
2353		2729
2354	warn "... nuking $pkg";	2730	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	2731	Symbol::delete_package $pkg;
2356	}	2732	}
2357		2733
2358	warn "unload all perl modules loaded from $LIBDIR";	2734	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	2735	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2736	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		2737
2362	warn "removing <$k>";	2738	warn "... unloading $k";
2363	delete $INC{$k};	2739	delete $INC{$k};
2364		2740
2365	$k =~ s/\.pm$//;	2741	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	2742	$k =~ s/\//::/g;
2367		2743
…		…
2370	}	2746	}
2371		2747
2372	Symbol::delete_package $k;	2748	Symbol::delete_package $k;
2373	}	2749	}
2374		2750
2375	warn "get rid of safe::, as good as possible";	2751	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	2752	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2753	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		2754
2379	warn "unload cf.pm \"a bit\"";	2755	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	2756	delete $INC{"cf.pm"};
		2757	delete $INC{"cf/pod.pm"};
2381		2758
2382	# don't, removes xs symbols, too,	2759	# don't, removes xs symbols, too,
2383	# and global variables created in xs	2760	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	2761	#Symbol::delete_package __PACKAGE__;
2385		2762
		2763	warn "unload completed, starting to reload now";
		2764
2386	warn "reloading cf.pm";	2765	warn "reloading cf.pm";
2387	require cf;	2766	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2767	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		2768
2390	warn "load config and database again";	2769	warn "loading config and database again";
2391	cf::cfg_load;	2770	cf::cfg_load;
2392	cf::db_load;
2393		2771
2394	warn "load extensions";	2772	warn "loading extensions";
2395	cf::load_extensions;	2773	cf::load_extensions;
2396		2774
2397	warn "reattach attachments to objects/players";	2775	warn "reattaching attachments to objects/players";
2398	_global_reattach;	2776	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	2777	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	2778	reattach $_ for values %MAP;
2401	};	2779	warn "reattaching attachments to players";
		2780	reattach $_ for values %PLAYER;
2402		2781
2403	if ($@) {	2782	warn "leaving sync_job";
		2783
		2784	1
		2785	} or do {
2404	warn $@;	2786	warn $@;
2405	warn "error while reloading, exiting.";	2787	warn "error while reloading, exiting.";
2406	exit 1;	2788	exit 1;
2407	}	2789	};
2408		2790
2409	warn "reloaded";	2791	warn "reloaded";
2410	};	2792	};
2411		2793
2412	#############################################################################	2794	our $RELOAD_WATCHER; # used only during reload
2413		2795
2414	unless ($LINK_MAP) {	2796	sub reload_perl() {
2415	$LINK_MAP = cf::map::new;	2797	# doing reload synchronously and two reloads happen back-to-back,
		2798	# coro crashes during coro_state_free->destroy here.
2416		2799
2417	$LINK_MAP->width (41);	2800	$RELOAD_WATCHER ||= Event->timer (
2418	$LINK_MAP->height (41);	2801	reentrant => 0,
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,	2802	after => 0,
		2803	data => WF_AUTOCANCEL,
2427	cb => sub {	2804	cb => sub {
2428	$_[0]->w->cancel;	2805	do_reload_perl;
2429		2806	undef $RELOAD_WATCHER;
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});	2807	},
2448		2808	);
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	2809	}
2454		2810
2455	register_command "reload" => sub {	2811	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	2812	my ($who, $arg) = @_;
2457		2813
2458	if ($who->flag (FLAG_WIZ)) {	2814	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	2815	$who->message ("reloading server.");
		2816	async { reload_perl };
2462	}	2817	}
2463	};	2818	};
2464		2819
2465	unshift @INC, $LIBDIR;	2820	unshift @INC, $LIBDIR;
2466		2821
		2822	my $bug_warning = 0;
		2823
		2824	our @WAIT_FOR_TICK;
		2825	our @WAIT_FOR_TICK_BEGIN;
		2826
		2827	sub wait_for_tick {
		2828	return unless $TICK_WATCHER->is_active;
		2829	return if $Coro::current == $Coro::main;
		2830
		2831	my $signal = new Coro::Signal;
		2832	push @WAIT_FOR_TICK, $signal;
		2833	$signal->wait;
		2834	}
		2835
		2836	sub wait_for_tick_begin {
		2837	return unless $TICK_WATCHER->is_active;
		2838	return if $Coro::current == $Coro::main;
		2839
		2840	my $signal = new Coro::Signal;
		2841	push @WAIT_FOR_TICK_BEGIN, $signal;
		2842	$signal->wait;
		2843	}
		2844
		2845	my $min = 1e6;#d#
		2846	my $avg = 10;
2467	$TICK_WATCHER = Event->timer (	2847	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	2848	reentrant => 0,
		2849	parked => 1,
2469	prio => 0,	2850	prio => 0,
2470	at => $NEXT_TICK || $TICK,	2851	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	2852	data => WF_AUTOCANCEL,
2472	cb => sub {	2853	cb => sub {
		2854	if ($Coro::current != $Coro::main) {
		2855	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2856	unless ++$bug_warning > 10;
		2857	return;
		2858	}
		2859
2473	$NOW = Event::time;	2860	$NOW = $tick_start = Event::time;
2474		2861
2475	cf::server_tick; # one server iteration	2862	cf::server_tick; # one server iteration
		2863
		2864	0 && sync_job {#d#
		2865	for(1..10) {
		2866	my $t = Event::time;
		2867	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2868	or die;
		2869
		2870	$map->width (50);
		2871	$map->height (50);
		2872	$map->alloc;
		2873	$map->_load_objects ("/tmp/x.map", 1);
		2874	my $t = Event::time - $t;
		2875
		2876	#next unless $t < 0.0013;#d#
		2877	if ($t < $min) {
		2878	$min = $t;
		2879	}
		2880	$avg = $avg * 0.99 + $t * 0.01;
		2881	}
		2882	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2883	exit 0;
		2884	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2885	};
		2886
2476	$RUNTIME += $TICK;	2887	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	2888	$NEXT_TICK += $TICK;
2478		2889
2479	$WAIT_FOR_TICK->broadcast;	2890	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2891	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2892	Coro::async_pool {
		2893	write_runtime
		2894	or warn "ERROR: unable to write runtime file: $!";
		2895	};
		2896	}
		2897
		2898	# my $AFTER = Event::time;
		2899	# warn $AFTER - $NOW;#d#
		2900
		2901	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2902	$sig->send;
		2903	}
		2904	while (my $sig = shift @WAIT_FOR_TICK) {
		2905	$sig->send;
		2906	}
		2907
		2908	$NOW = Event::time;
2481		2909
2482	# if we are delayed by four ticks or more, skip them all	2910	# if we are delayed by four ticks or more, skip them all
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2911	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2484		2912
2485	$TICK_WATCHER->at ($NEXT_TICK);	2913	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;	2914	$TICK_WATCHER->start;
		2915
		2916	$LOAD = ($NOW - $tick_start) / $TICK;
		2917	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2918
		2919	_post_tick;
		2920
		2921
2487	},	2922	},
2488	);	2923	);
2489		2924
		2925	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	2926	BDB::max_poll_time $TICK * 0.1;
2491		2927	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	2928	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	2929	fd => BDB::poll_fileno,
2494	poll => 'r',	2930	poll => 'r',
2495	prio => 5,	2931	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	2932	data => WF_AUTOCANCEL,
2502	after => 0,	2933	cb => \&BDB::poll_cb,
2503	interval => 10,	2934	);
2504	cb => sub {	2935	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	2936
2506	write_runtime	2937	BDB::set_sync_prepare {
2507	or warn "ERROR: unable to write runtime file: $!";	2938	my $status;
		2939	my $current = $Coro::current;
		2940	(
		2941	sub {
		2942	$status = $!;
		2943	$current->ready; undef $current;
		2944	},
		2945	sub {
		2946	Coro::schedule while defined $current;
		2947	$! = $status;
		2948	},
		2949	)
		2950	};
		2951
		2952	unless ($DB_ENV) {
		2953	$DB_ENV = BDB::db_env_create;
		2954
		2955	cf::sync_job {
		2956	eval {
		2957	BDB::db_env_open
		2958	$DB_ENV,
		2959	$BDBDIR,
		2960	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2961	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2962	0666;
		2963
		2964	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2965
		2966	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2967	$DB_ENV->set_lk_detect;
		2968	};
		2969
		2970	cf::cleanup "db_env_open(db): $@" if $@;
2508	})->();	2971	};
2509	},	2972	}
2510	);	2973	}
		2974
		2975	{
		2976	IO::AIO::min_parallel 8;
		2977
		2978	undef $Coro::AIO::WATCHER;
		2979	IO::AIO::max_poll_time $TICK * 0.1;
		2980	$AIO_POLL_WATCHER = Event->io (
		2981	reentrant => 0,
		2982	data => WF_AUTOCANCEL,
		2983	fd => IO::AIO::poll_fileno,
		2984	poll => 'r',
		2985	prio => 6,
		2986	cb => \&IO::AIO::poll_cb,
		2987	);
		2988	}
		2989
		2990	my $_log_backtrace;
		2991
		2992	sub _log_backtrace {
		2993	my ($msg, @addr) = @_;
		2994
		2995	$msg =~ s/\n//;
		2996
		2997	# limit the # of concurrent backtraces
		2998	if ($_log_backtrace < 2) {
		2999	++$_log_backtrace;
		3000	async {
		3001	my @bt = fork_call {
		3002	@addr = map { sprintf "%x", $_ } @addr;
		3003	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3004	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3005	or die "addr2line: $!";
		3006
		3007	my @funcs;
		3008	my @res = <$fh>;
		3009	chomp for @res;
		3010	while (@res) {
		3011	my ($func, $line) = splice @res, 0, 2, ();
		3012	push @funcs, "[$func] $line";
		3013	}
		3014
		3015	@funcs
		3016	};
		3017
		3018	LOG llevInfo, "[ABT] $msg\n";
		3019	LOG llevInfo, "[ABT] $_\n" for @bt;
		3020	--$_log_backtrace;
		3021	};
		3022	} else {
		3023	LOG llevInfo, "[ABT] $msg\n";
		3024	LOG llevInfo, "[ABT] [suppressed]\n";
		3025	}
		3026	}
		3027
		3028	# load additional modules
		3029	use cf::pod;
2511		3030
2512	END { cf::emergency_save }	3031	END { cf::emergency_save }
2513		3032
2514	1	3033	1
2515		3034

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