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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.273 by root, Mon Jun 4 12:19:08 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~", $runtime
358	and return;	426	and return;
359		427
		428	warn "runtime file written.\n";#d#
		429
360	1	430	1
361	}	431	}
362		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		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	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521		447
522	#############################################################################	448	#############################################################################
523		449
524	=head2 ATTACHABLE OBJECTS	450	=head2 ATTACHABLE OBJECTS
525		451
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	577	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	578	our @CB_MAP = ();
653		579
654	my %attachment;	580	my %attachment;
655		581
		582	sub cf::attachable::thawer_merge {
		583	# simply override everything except _meta
		584	local $_[0]{_meta};
		585	%{$_[0]} = %{$_[1]};
		586	}
		587
656	sub _attach_cb($$$$) {	588	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	589	my ($registry, $event, $prio, $cb) = @_;
658		590
659	use sort 'stable';	591	use sort 'stable';
660		592
…		…
694	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
695		627
696	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
697	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
698	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
699	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
700		632
701	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
702	my $pkg = shift @arg;	634	my $pkg = shift @arg;
703		635
704	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
745	if (ref $_[0]) {	677	if (ref $_[0]) {
746	_object_attach @_;	678	_object_attach @_;
747	} else {	679	} else {
748	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
749	}	681	}
		682	_recalc_want;
750	};	683	};
751		684
752	# all those should be optimised	685	# all those should be optimised
753	sub cf::attachable::detach {	686	sub cf::attachable::detach {
754	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
757	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
758	reattach ($obj);	691	reattach ($obj);
759	} else {	692	} else {
760	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
761	}	694	}
		695	_recalc_want;
762	};	696	};
763		697
764	sub cf::attachable::attached {	698	sub cf::attachable::attached {
765	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
766		700
…		…
831	# object support	765	# object support
832		766
833	sub reattach {	767	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	768	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	769	my ($obj) = @_;
		770
		771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		772
837	my $registry = $obj->registry;	773	my $registry = $obj->registry;
838		774
839	@$registry = ();	775	@$registry = ();
840		776
…		…
887	$filename, length $$rdata, scalar @$objs;	823	$filename, length $$rdata, scalar @$objs;
888		824
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	826	chmod SAVE_MODE, $fh;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	828	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	829	close $fh;
894		830
895	if (@$objs) {	831	if (@$objs) {
896	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) {
897	chmod SAVE_MODE, $fh;	833	chmod SAVE_MODE, $fh;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	834	my $data = Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	835	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	836	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	837	close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	838	aio_rename "$filename.pst~", "$filename.pst";
903	}	839	}
904	} else {	840	} else {
905	aio_unlink "$filename.pst";	841	aio_unlink "$filename.pst";
…		…
1027	"package $pkg; use strict; use utf8;\n"	963	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"	964	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })	965	. (do { local $/; <$fh> })
1030	. "\n};\n1";	966	. "\n};\n1";
1031		967
1032	eval $source	968	unless (eval $source) {
1033	or die $@ ? "$path: $@\n"	969	my $msg = $@ ? "$path: $@\n"
1034	: "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	}
1035		978
1036	push @EXTS, $pkg;	979	push @EXTS, $pkg;
1037	}	980	}
1038		981
1039	sub load_extensions {	982	sub load_extensions {
…		…
1045	} or warn "$ext not loaded: $@";	988	} or warn "$ext not loaded: $@";
1046	}	989	}
1047	}	990	}
1048		991
1049	#############################################################################	992	#############################################################################
1050	# load/save/clean perl data associated with a map
1051
1052	*cf::mapsupport::on_clean = sub {
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		993
1065	=head2 CORE EXTENSIONS	994	=head2 CORE EXTENSIONS
1066		995
1067	Functions and methods that extend core crossfire objects.	996	Functions and methods that extend core crossfire objects.
1068		997
…		…
1081	Returns the given player object, loading it if necessary (might block).	1010	Returns the given player object, loading it if necessary (might block).
1082		1011
1083	=cut	1012	=cut
1084		1013
1085	sub playerdir($) {	1014	sub playerdir($) {
1086	cf::localdir	1015	"$PLAYERDIR/"
1087	. "/"
1088	. cf::playerdir
1089	. "/"
1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1016	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1091	}	1017	}
1092		1018
1093	sub path($) {	1019	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1020	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		1021
1096	(playerdir $login) . "/$login.pl"	1022	(playerdir $login) . "/playerdata"
1097	}	1023	}
1098		1024
1099	sub find_active($) {	1025	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	1026	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	1027	and $cf::PLAYER{$_[0]}->active
…		…
1104		1030
1105	sub exists($) {	1031	sub exists($) {
1106	my ($login) = @_;	1032	my ($login) = @_;
1107		1033
1108	$cf::PLAYER{$login}	1034	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	1035	or cf::sync_job { !aio_stat path $login }
1110	}	1036	}
1111		1037
1112	sub find($) {	1038	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	1039	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	1040	my $login = $_[0];
1115		1041
1116	my $guard = cf::lock_acquire "user_find:$login";	1042	my $guard = cf::lock_acquire "user_find:$login";
1117		1043
1118	$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
1119	my $pl = load_pl path $login	1052	my $pl = load_pl path $login
1120	or return;	1053	or return;
1121	$cf::PLAYER{$login} = $pl	1054	$cf::PLAYER{$login} = $pl
1122	}	1055	}
1123	}	1056	}
…		…
1160		1093
1161	=cut	1094	=cut
1162		1095
1163	sub quit_character {	1096	sub quit_character {
1164	my ($pl) = @_;	1097	my ($pl) = @_;
		1098
		1099	my $name = $pl->ob->name;
1165		1100
1166	$pl->{deny_save} = 1;	1101	$pl->{deny_save} = 1;
1167	$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
1168		1103
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1174	my $path = playerdir $pl;	1109	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1110	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1111	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1112	delete $cf::PLAYER{$pl->ob->name};
1178	$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
1179	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;
1180	}	1135	}
1181		1136
1182	=item cf::player::list_logins	1137	=item cf::player::list_logins
1183		1138
1184	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
1185	while and may block, so not sync_job-capable, ever.	1140	while and may block, so not sync_job-capable, ever.
1186		1141
1187	=cut	1142	=cut
1188		1143
1189	sub list_logins {	1144	sub list_logins {
1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1145	my $dirs = aio_readdir $PLAYERDIR
1191	or return [];	1146	or return [];
1192		1147
1193	my @logins;	1148	my @logins;
1194		1149
1195	for my $login (@$dirs) {	1150	for my $login (@$dirs) {
…		…
1204	\@logins	1159	\@logins
1205	}	1160	}
1206		1161
1207	=item $player->maps	1162	=item $player->maps
1208		1163
1209	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
1210	player. May block.	1165	player. May block.
1211		1166
1212	=cut	1167	=cut
1213		1168
1214	sub maps($) {	1169	sub maps($) {
1215	my ($pl) = @_;	1170	my ($pl) = @_;
		1171
		1172	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1173
1217	my $files = aio_readdir playerdir $pl	1174	my $files = aio_readdir playerdir $pl
1218	or return;	1175	or return;
1219		1176
1220	my @paths;	1177	my @paths;
…		…
1222	for (@$files) {	1179	for (@$files) {
1223	utf8::decode $_;	1180	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1181	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1182	next unless /^$PATH_SEP/o;
1226		1183
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1184	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1185	}
1229		1186
1230	\@paths	1187	\@paths
1231	}	1188	}
1232		1189
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1190	=item $player->ext_reply ($msgid, %msg)
1234		1191
1235	Sends an ext reply to the player.	1192	Sends an ext reply to the player.
1236		1193
1237	=cut	1194	=cut
1238		1195
1239	sub ext_reply($$$%) {	1196	sub ext_reply($$%) {
1240	my ($self, $id, %msg) = @_;	1197	my ($self, $id, %msg) = @_;
1241		1198
1242	$msg{msgid} = $id;	1199	$msg{msgid} = $id;
1243		1200
1244	$self->send ("ext " . cf::to_json \%msg);	1201	$self->send ("ext " . cf::to_json \%msg);
1245	}	1202	}
1246		1203
1247	package cf;	1204	=item $player->ext_event ($type, %msg)
		1205
		1206	Sends an ext event to the client.
		1207
		1208	=cut
		1209
		1210	sub ext_event($$%) {
		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	}
1248		1244
1249	=back	1245	=back
1250
1251		1246
1252	=head3 cf::map	1247	=head3 cf::map
1253		1248
1254	=over 4	1249	=over 4
1255		1250
…		…
1258	package cf::map;	1253	package cf::map;
1259		1254
1260	use Fcntl;	1255	use Fcntl;
1261	use Coro::AIO;	1256	use Coro::AIO;
1262		1257
		1258	use overload
		1259	'""' => \&as_string,
		1260	fallback => 1;
		1261
1263	our $MAX_RESET = 3600;	1262	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1263	our $DEFAULT_RESET = 3000;
1265		1264
1266	sub generate_random_map {	1265	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1266	my ($self, $rmp) = @_;
1268
1269	# mit "rum" bekleckern, nicht	1267	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1268	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1272	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1273	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1276	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1277	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1279	(cf::region::find $rmp->{region}), $rmp->{custom}
		1280	)
		1281	}
		1282
		1283	=item cf::map->register ($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"
1283	}	1410	}
1284		1411
1285	# and all this just because we cannot iterate over	1412	# and all this just because we cannot iterate over
1286	# all maps in C++...	1413	# all maps in C++...
1287	sub change_all_map_light {	1414	sub change_all_map_light {
…		…
1289		1416
1290	$_->change_map_light ($change)	1417	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1418	for grep $_->outdoor, values %cf::MAP;
1292	}	1419	}
1293		1420
		1421	sub unlink_save {
		1422	my ($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
1294	sub load_map_header($) {	1429	sub load_header_from($) {
1295	my ($path) = @_;	1430	my ($self, $path) = @_;
1296		1431
1297	utf8::encode $path;	1432	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1433	#aio_open $path, O_RDONLY, 0
		1434	# or return;
		1435
		1436	$self->_load_header ($path)
1299	or return;	1437	or return;
1300		1438
1301	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
1302	or return;	1482	or return;
		1483	$self->prepare_orig;
		1484	}
1303		1485
1304	# for better error messages only, will be overwritten later	1486	$self->default_region (cf::region::find_by_path $self->{path})
1305	$map->path ($path);	1487	unless $self->default_region;
1306		1488
1307	$map->load_header ($path)	1489	1
1308	or return;
1309
1310	$map->{load_path} = $path;
1311
1312	$map
1313	}	1490	}
1314		1491
1315	sub find;	1492	sub find;
1316	sub find {	1493	sub find {
1317	my ($path, $origin) = @_;	1494	my ($path, $origin) = @_;
1318		1495
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1496	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1497
1324	cf::lock_wait "map_find:$key";	1498	cf::lock_wait "map_find:$path";
1325		1499
1326	$cf::MAP{$key} || do {	1500	$cf::MAP{$path} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1501	my $guard = cf::lock_acquire "map_find:$path";
1328		1502	my $map = new_from_path cf::map $path
1329	# do it the slow way
1330	my $map = $path->load_temp;
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1503	or return;
1343		1504
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1505	$map->{last_save} = $cf::RUNTIME;
1356		1506
1357	Coro::cede;	1507	$map->load_header
		1508	or return;
1358		1509
1359	if ($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;
1360	$map->reset;	1513	$map->reset;
1361	undef $guard;	1514	undef $guard;
1362	$map = find $path	1515	return find $path;
1363	or return;
1364	}	1516	}
1365		1517
1366	$cf::MAP{$key} = $map	1518	$cf::MAP{$path} = $map
1367	}	1519	}
1368	}	1520	}
		1521
		1522	sub pre_load { }
		1523	sub post_load { }
1369		1524
1370	sub load {	1525	sub load {
1371	my ($self) = @_;	1526	my ($self) = @_;
1372		1527
		1528	local $self->{deny_reset} = 1; # loading can take a long time
		1529
1373	my $path = $self->{path};	1530	my $path = $self->{path};
		1531
		1532	{
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1533	my $guard = cf::lock_acquire "map_load:$path";
1375		1534
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1535	return if $self->in_memory != cf::MAP_SWAPPED;
1377		1536
1378	$self->in_memory (cf::MAP_LOADING);	1537	$self->in_memory (cf::MAP_LOADING);
1379		1538
1380	$self->alloc;	1539	$self->alloc;
		1540
		1541	$self->pre_load;
		1542	Coro::cede;
		1543
1381	$self->load_objects ($self->{load_path}, 1)	1544	$self->_load_objects ($self->{load_path}, 1)
1382	or return;	1545	or return;
1383		1546
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385	if delete $self->{load_original};	1548	if delete $self->{load_original};
1386		1549
1387	if (my $uniq = $path->uniq_path) {	1550	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	1551	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	1552	if (aio_open $uniq, O_RDONLY, 0) {
1390	$self->clear_unique_items;	1553	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	1554	$self->_load_objects ($uniq, 0);
1392	}	1555	}
1393	}	1556	}
1394		1557
1395	Coro::cede;	1558	Coro::cede;
1396
1397	# now do the right thing for maps	1559	# now do the right thing for maps
1398	$self->link_multipart_objects;	1560	$self->link_multipart_objects;
1399
1400	if ($self->{path}->is_style_map) {
1401	$self->{deny_save} = 1;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;
1407	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	1561	$self->difficulty ($self->estimate_difficulty)
1409	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;
1410	$self->activate;	1572	$self->activate;
1411	}	1573	}
1412		1574
1413	Coro::cede;
1414
1415	$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	$self
1416	}	1588	}
1417		1589
1418	# find and load all maps in the 3x3 area around a map	1590	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	1591	sub load_diag {
1420	my ($map) = @_;	1592	my ($map) = @_;
…		…
1450		1622
1451	cf::sync_job { $map->load };	1623	cf::sync_job { $map->load };
1452	}	1624	}
1453		1625
1454	our %MAP_PREFETCH;	1626	our %MAP_PREFETCH;
1455	our $MAP_PREFETCHER = Coro::async {	1627	our $MAP_PREFETCHER = undef;
1456	while () {
1457	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH
1459	or next;
1460	my $path = delete $MAP_PREFETCH{$key};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}
1466	Coro::schedule;
1467	}
1468	};
1469		1628
1470	sub find_async {	1629	sub find_async {
1471	my ($path, $origin) = @_;	1630	my ($path, $origin) = @_;
1472		1631
1473	$path = new cf::path $path, $origin && $origin->path;	1632	$path = normalise $path, $origin && $origin->{path};
1474	my $key = $path->as_string;
1475		1633
1476	if (my $map = $cf::MAP{$key}) {	1634	if (my $map = $cf::MAP{$path}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}	1636	}
1479		1637
1480	$MAP_PREFETCH{$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	};
1481	$MAP_PREFETCHER->ready;	1651	$MAP_PREFETCHER->prio (6);
1482		1652
1483	()	1653	()
1484	}	1654	}
1485		1655
1486	sub save {	1656	sub save {
…		…
1490		1660
1491	$self->{last_save} = $cf::RUNTIME;	1661	$self->{last_save} = $cf::RUNTIME;
1492		1662
1493	return unless $self->dirty;	1663	return unless $self->dirty;
1494		1664
1495	my $save = $self->{path}->save_path; utf8::encode $save;	1665	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1666	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		1667
1498	$self->{load_path} = $save;	1668	$self->{load_path} = $save;
1499		1669
1500	return if $self->{deny_save};	1670	return if $self->{deny_save};
1501		1671
…		…
1504	cf::async {	1674	cf::async {
1505	$_->contr->save for $self->players;	1675	$_->contr->save for $self->players;
1506	};	1676	};
1507		1677
1508	if ($uniq) {	1678	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	1681	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1682	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	1683	}
1514	}	1684	}
1515		1685
1516	sub swap_out {	1686	sub swap_out {
1517	my ($self) = @_;	1687	my ($self) = @_;
…		…
1531		1701
1532	sub reset_at {	1702	sub reset_at {
1533	my ($self) = @_;	1703	my ($self) = @_;
1534		1704
1535	# TODO: safety, remove and allow resettable per-player maps	1705	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};	1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	1707	return 1e99 if $self->{deny_reset};
1538		1708
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		1711
…		…
1546	my ($self) = @_;	1716	my ($self) = @_;
1547		1717
1548	$self->reset_at <= $cf::RUNTIME	1718	$self->reset_at <= $cf::RUNTIME
1549	}	1719	}
1550		1720
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	1721	sub reset {
1573	my ($self) = @_;	1722	my ($self) = @_;
1574		1723
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	1724	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		1725
1577	return if $self->players;	1726	return if $self->players;
1578	return if $self->{path}{user_rel};#d#	1727	return if $self->isa ("ext::map_per_player");#d#
1579		1728
1580	warn "resetting map ", $self->path;#d#	1729	warn "resetting map ", $self->path;#d#
1581		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	}
		1740
1582	delete $cf::MAP{$self->path};	1741	delete $cf::MAP{$self->path};
		1742
		1743	$self->clear;
1583		1744
1584	$_->clear_links_to ($self) for values %cf::MAP;	1745	$_->clear_links_to ($self) for values %cf::MAP;
1585		1746
1586	$self->unlink_save;	1747	$self->unlink_save;
1587	$self->destroy;	1748	$self->destroy;
…		…
1590	my $nuke_counter = "aaaa";	1751	my $nuke_counter = "aaaa";
1591		1752
1592	sub nuke {	1753	sub nuke {
1593	my ($self) = @_;	1754	my ($self) = @_;
1594		1755
		1756	delete $cf::MAP{$self->path};
		1757
		1758	$self->unlink_save;
		1759
		1760	bless $self, "cf::map";
		1761	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	1762	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	1763	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1765
		1766	$cf::MAP{$self->path} = $self;
		1767
1598	$self->reset; # polite request, might not happen	1768	$self->reset; # polite request, might not happen
1599	}	1769	}
1600		1770
1601	sub customise_for {
1602	my ($map, $ob) = @_;
1603
1604	if ($map->per_player) {
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1606	}
1607
1608	$map
1609	}
1610
1611	=item cf::map::unique_maps	1771	=item cf::map::unique_maps
1612		1772
1613	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
1614	instantiated unique items. May block.	1774	instantiated unique items. May block.
1615		1775
1616	=cut	1776	=cut
1617		1777
1618	sub unique_maps() {	1778	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1779	my $files = aio_readdir $UNIQUEDIR
1620	or return;	1780	or return;
1621		1781
1622	my @paths;	1782	my @paths;
1623		1783
1624	for (@$files) {	1784	for (@$files) {
1625	utf8::decode $_;	1785	utf8::decode $_;
1626	next if /\.pst$/;	1786	next if /\.pst$/;
1627	next unless /^$PATH_SEP/o;	1787	next unless /^$PATH_SEP/o;
1628		1788
1629	push @paths, new cf::path $_;	1789	push @paths, cf::map::normalise $_;
1630	}	1790	}
1631		1791
1632	\@paths	1792	\@paths
1633	}	1793	}
1634		1794
…		…
1709		1869
1710	=item $player_object->enter_link	1870	=item $player_object->enter_link
1711		1871
1712	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}>).
1713		1873
1714	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
1715	I<MUST> call C<leave_link> as soon as possible, though.	1875	I<MUST> call C<leave_link> as soon as possible, though.
1716		1876
		1877	Will never block.
		1878
1717	=item $player_object->leave_link ($map, $x, $y)	1879	=item $player_object->leave_link ($map, $x, $y)
1718		1880
1719	Moves the player out of the specila link map onto the given map. If the	1881	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	1882	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	1883	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	1884	fails, to the emergency map position.
1723		1885
1724	Might block.	1886	Might block.
1725		1887
1726	=cut	1888	=cut
		1889
		1890	sub link_map {
		1891	unless ($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	$LINK_MAP
		1898	}
1727		1899
1728	sub cf::object::player::enter_link {	1900	sub cf::object::player::enter_link {
1729	my ($self) = @_;	1901	my ($self) = @_;
1730		1902
1731	$self->deactivate_recursive;	1903	$self->deactivate_recursive;
1732		1904
1733	return if $self->map == $LINK_MAP;	1905	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		1906
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1907	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	1908	if $self->map && $self->map->{path} ne "{link}";
1737		1909
1738	$self->enter_map ($LINK_MAP, 20, 20);	1910	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	1911	}
1740		1912
1741	sub cf::object::player::leave_link {	1913	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	1914	my ($self, $map, $x, $y) = @_;
		1915
		1916	return unless $self->contr->active;
1743		1917
1744	my $link_pos = delete $self->{_link_pos};	1918	my $link_pos = delete $self->{_link_pos};
1745		1919
1746	unless ($map) {	1920	unless ($map) {
1747	# restore original map position	1921	# restore original map position
…		…
1765	$map->load;	1939	$map->load;
1766	$map->load_diag;	1940	$map->load_diag;
1767		1941
1768	return unless $self->contr->active;	1942	return unless $self->contr->active;
1769	$self->activate_recursive;	1943	$self->activate_recursive;
		1944
		1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	1946	$self->enter_map ($map, $x, $y);
1771	}	1947	}
1772		1948
1773	cf::player->attach (
1774	on_logout => sub {
1775	my ($pl) = @_;
1776
1777	# abort map switching before logout
1778	if ($pl->ob->{_link_pos}) {
1779	cf::sync_job {
1780	$pl->ob->leave_link
1781	};
1782	}
1783	},
1784	on_login => sub {
1785	my ($pl) = @_;
1786
1787	# try to abort aborted map switching on player login :)
1788	# should happen only on crashes
1789	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;
1791	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);
1798	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;
1800	})->prio (2);
1801	}
1802	},
1803	);
1804
1805	=item $player_object->goto ($path, $x, $y)	1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1806		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
1807	=cut	1956	=cut
		1957
		1958	our $GOTOGEN;
1808		1959
1809	sub cf::object::player::goto {	1960	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	1961	my ($self, $path, $x, $y, $check) = @_;
1811		1962
1812	$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;
1813		1965
1814	$self->enter_link;	1966	$self->enter_link;
1815		1967
1816	(async {	1968	(async {
		1969	my $map = eval {
1817	my $map = cf::map::find $path->as_string;	1970	my $map = cf::map::find $path;
		1971
		1972	if ($map) {
1818	$map = $map->customise_for ($self) if $map;	1973	$map = $map->customise_for ($self);
1819		1974	$map = $check->($map) if $check && $map;
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	1975	} else {
1821	# if $map;
1822
1823	$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	}
1824		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};
1825	$self->leave_link ($map, $x, $y);	1989	$self->leave_link ($map, $x, $y);
		1990	}
1826	})->prio (1);	1991	})->prio (1);
1827	}	1992	}
1828		1993
1829	=item $player_object->enter_exit ($exit_object)	1994	=item $player_object->enter_exit ($exit_object)
1830		1995
…		…
1832		1997
1833	sub parse_random_map_params {	1998	sub parse_random_map_params {
1834	my ($spec) = @_;	1999	my ($spec) = @_;
1835		2000
1836	my $rmp = { # defaults	2001	my $rmp = { # defaults
1837	xsize => 10,	2002	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	2003	ysize => (cf::rndm 15, 40),
		2004	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2005	#layout => string,
1839	};	2006	};
1840		2007
1841	for (split /\n/, $spec) {	2008	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	2009	my ($k, $v) = split /\s+/, $_, 2;
1843		2010
…		…
1847	$rmp	2014	$rmp
1848	}	2015	}
1849		2016
1850	sub prepare_random_map {	2017	sub prepare_random_map {
1851	my ($exit) = @_;	2018	my ($exit) = @_;
		2019
		2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
1852		2021
1853	# all this does is basically replace the /! path by	2022	# all this does is basically replace the /! path by
1854	# a new random map path (?random/...) with a seed	2023	# a new random map path (?random/...) with a seed
1855	# that depends on the exit object	2024	# that depends on the exit object
1856		2025
1857	my $rmp = parse_random_map_params $exit->msg;	2026	my $rmp = parse_random_map_params $exit->msg;
1858		2027
1859	if ($exit->map) {	2028	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	2029	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	2030	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	2031	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	2032	$rmp->{origin_y} = $exit->y;
1864	}	2033	}
1865		2034
1866	$rmp->{random_seed} ||= $exit->random_seed;	2035	$rmp->{random_seed} ||= $exit->random_seed;
1867		2036
1868	my $data = cf::to_json $rmp;	2037	my $data = cf::to_json $rmp;
1869	my $md5 = Digest::MD5::md5_hex $data;	2038	my $md5 = Digest::MD5::md5_hex $data;
		2039	my $meta = "$RANDOMDIR/$md5.meta";
1870		2040
1871	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) {
1872	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;
1873		2045
1874	$exit->slaying ("?random/$md5");	2046	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	2047	$exit->msg (undef);
1876	}	2048	}
1877	}	2049	}
1878		2050
1879	sub cf::object::player::enter_exit {	2051	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	2052	my ($self, $exit) = @_;
1881		2053
1882	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;
1883		2066
1884	$self->enter_link;	2067	$self->enter_link;
1885		2068
1886	(async {	2069	(async {
1887	$self->deactivate_recursive; # just to be sure	2070	$self->deactivate_recursive; # just to be sure
1888	unless (eval {	2071	unless (eval {
1889	prepare_random_map $exit	2072	$self->goto ($slaying, $hp, $sp);
1890	if $exit->slaying eq "/!";
1891
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1894		2073
1895	1;	2074	1;
1896	}) {	2075	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	2076	$self->message ("Something went wrong deep within the crossfire server. "
1898	. "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. "
1899	. "Please report this to the dungeon master!",	2078	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2079	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2080
1902	warn "ERROR in enter_exit: $@";	2081	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2082	$self->leave_link;
1904	}	2083	}
1905	})->prio (1);	2084	})->prio (1);
…		…
1918		2097
1919	sub cf::client::send_drawinfo {	2098	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2099	my ($self, $text, $flags) = @_;
1921		2100
1922	utf8::encode $text;	2101	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2103	}
1925		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	}
1926		2117
1927	=item $success = $client->query ($flags, "text", \&cb)	2118	=item $success = $client->query ($flags, "text", \&cb)
1928		2119
1929	Queues a query to the client, calling the given callback with	2120	Queues a query to the client, calling the given callback with
1930	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>,
…		…
1959	# get handled first	2150	# get handled first
1960	my $queue = delete $ns->{query_queue}	2151	my $queue = delete $ns->{query_queue}
1961	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
1962		2153
1963	(shift @$queue)->[1]->($msg);	2154	(shift @$queue)->[1]->($msg);
		2155	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2156
1965	push @{ $ns->{query_queue} }, @$queue;	2157	push @{ $ns->{query_queue} }, @$queue;
1966		2158
1967	if (@{ $ns->{query_queue} } == @$queue) {	2159	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2160	if (@$queue) {
…		…
2026		2218
2027	# here we export the classes and methods available to script code	2219	# here we export the classes and methods available to script code
2028		2220
2029	=pod	2221	=pod
2030		2222
2031	The following fucntions and emthods are available within a safe environment:	2223	The following functions and methods are available within a safe environment:
2032		2224
2033	cf::object contr pay_amount pay_player map	2225	cf::object contr pay_amount pay_player map
2034	cf::object::player player	2226	cf::object::player player
2035	cf::player peaceful	2227	cf::player peaceful
2036	cf::map trigger	2228	cf::map trigger
…		…
2121	#############################################################################	2313	#############################################################################
2122		2314
2123	=head2 EXTENSION DATABASE SUPPORT	2315	=head2 EXTENSION DATABASE SUPPORT
2124		2316
2125	Crossfire maintains a very simple database for extension use. It can	2317	Crossfire maintains a very simple database for extension use. It can
2126	currently store anything that can be serialised using Storable, which	2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2127	excludes objects.	2319	convert to/from binary).
2128		2320
2129	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
2130	using it, it should be unique.	2322	using it, it should be unique.
2131		2323
2132	=over 4	2324	=over 4
2133		2325
2134	=item $hashref = cf::db_get $family
2135
2136	Return a hashref for use by the extension C<$family>, which can be
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139
2140	=item $value = cf::db_get $family => $key	2326	=item $value = cf::db_get $family => $key
2141		2327
2142	Returns a single value from the database	2328	Returns a single value from the database.
2143
2144	=item cf::db_put $family => $hashref
2145
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148		2329
2149	=item cf::db_put $family => $key => $value	2330	=item cf::db_put $family => $key => $value
2150		2331
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you	2332	Stores the given C<$value> in the family.
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161		2333
2162	=cut	2334	=cut
2163		2335
2164	our $DB;	2336	our $DB;
2165		2337
2166	{	2338	sub db_init {
2167	my $path = cf::localdir . "/database.pst";	2339	unless ($DB) {
		2340	$DB = BDB::db_create $DB_ENV;
2168		2341
2169	sub db_load() {	2342	cf::sync_job {
2170	$DB = stat $path ? Storable::retrieve $path : { };	2343	eval {
2171	}	2344	$DB->set_flags (BDB::CHKSUM);
2172		2345
2173	my $pid;	2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2174		2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2175	sub db_save() {	2348	cf::cleanup "db_open(db): $!" if $!;
2176	waitpid $pid, 0 if $pid;	2349	};
2177	if (0 == ($pid = fork)) {	2350	cf::cleanup "db_open(db): $@" if $@;
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}	2351	};
2183	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});	2352	}
		2353	}
2195		2354
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}
2200
2201	sub db_get($;$) {	2355	sub db_get($$) {
2202	@_ >= 2	2356	my $key = "$_[0]/$_[1]";
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206		2357
		2358	cf::sync_job {
		2359	BDB::db_get $DB, undef, $key, my $data;
		2360
		2361	$! ? ()
		2362	: $data
		2363	}
		2364	}
		2365
2207	sub db_put($$;$) {	2366	sub db_put($$$) {
2208	if (@_ >= 3) {	2367	BDB::dbreq_pri 4;
2209	$DB->{$_[0]}{$_[1]} = $_[2];	2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2210	} else {	2369	}
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215		2370
2216	cf::global->attach (	2371	=item cf::cache $id => [$paths...], $processversion => $process
2217	prio => 10000,	2372
2218	on_cleanup => sub {	2373	Generic caching function that returns the value of the resource $id,
2219	db_sync;	2374	caching and regenerating as required.
		2375
		2376	This function can block.
		2377
		2378	=cut
		2379
		2380	sub cache {
		2381	my ($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 "$src->[$_]: $!";
2220	},	2403	}
2221	);	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	}
2222	}	2483	}
2223		2484
2224	#############################################################################	2485	#############################################################################
2225	# 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;
		2566	reload_treasures;
		2567
		2568	warn "finished reloading resource files\n";
		2569	}
		2570
		2571	sub init {
		2572	reload_resources;
		2573	}
2226		2574
2227	sub cfg_load {	2575	sub cfg_load {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	2576	open my $fh, "<:utf8", "$CONFDIR/config"
2229	or return;	2577	or return;
2230		2578
2231	local $/;	2579	local $/;
2232	*CFG = YAML::Syck::Load <$fh>;	2580	*CFG = YAML::Syck::Load <$fh>;
2233		2581
…		…
2247		2595
2248	sub main {	2596	sub main {
2249	# we must not ever block the main coroutine	2597	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	2598	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2600	(async {
2252	async { Event::one_event };	2601	Event::one_event;
		2602	})->prio (Coro::PRIO_MAX);
2253	};	2603	};
2254		2604
2255	cfg_load;	2605	cfg_load;
2256	db_load;	2606	db_init;
2257	load_extensions;	2607	load_extensions;
		2608
		2609	$TICK_WATCHER->start;
2258	Event::loop;	2610	Event::loop;
2259	}	2611	}
2260		2612
2261	#############################################################################	2613	#############################################################################
2262	# initialisation and cleanup	2614	# initialisation and cleanup
2263		2615
2264	# install some emergency cleanup handlers	2616	# install some emergency cleanup handlers
2265	BEGIN {	2617	BEGIN {
2266	for my $signal (qw(INT HUP TERM)) {	2618	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	2619	Event->signal (
		2620	reentrant => 0,
2268	data => WF_AUTOCANCEL,	2621	data => WF_AUTOCANCEL,
2269	signal => $signal,	2622	signal => $signal,
		2623	prio => 0,
2270	cb => sub {	2624	cb => sub {
2271	cf::cleanup "SIG$signal";	2625	cf::cleanup "SIG$signal";
2272	},	2626	},
2273	);	2627	);
2274	}	2628	}
2275	}	2629	}
…		…
2280	warn "enter emergency perl save\n";	2634	warn "enter emergency perl save\n";
2281		2635
2282	cf::sync_job {	2636	cf::sync_job {
2283	# use a peculiar iteration method to avoid tripping on perl	2637	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	2638	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	2639	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	2640	warn "begin emergency player save\n";
2287	for my $login (keys %cf::PLAYER) {	2641	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	2642	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	2643	$pl->valid or next;
2290	$pl->save;	2644	$pl->save;
…		…
2296	my $map = $cf::MAP{$path} or next;	2650	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	2651	$map->valid or next;
2298	$map->save;	2652	$map->save;
2299	}	2653	}
2300	warn "end emergency map save\n";	2654	warn "end emergency map save\n";
		2655
		2656	warn "begin emergency database checkpoint\n";
		2657	BDB::db_env_txn_checkpoint $DB_ENV;
		2658	warn "end emergency database checkpoint\n";
2301	};	2659	};
2302		2660
2303	warn "leave emergency perl save\n";	2661	warn "leave emergency perl save\n";
2304	}	2662	}
2305		2663
		2664	sub post_cleanup {
		2665	my ($make_core) = @_;
		2666
		2667	warn Carp::longmess "post_cleanup backtrace"
		2668	if $make_core;
		2669	}
		2670
2306	sub reload() {	2671	sub do_reload_perl() {
2307	# can/must only be called in main	2672	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	2673	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	2674	warn "can only reload from main coroutine";
2310	return;	2675	return;
2311	}	2676	}
2312		2677
2313	warn "reloading...";	2678	warn "reloading...";
2314		2679
2315	warn "freezing server";	2680	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	2681
		2682	cf::sync_job {
		2683	cf::write_runtime; # external watchdog should not bark
2317	cf::emergency_save;	2684	cf::emergency_save;
		2685	cf::write_runtime; # external watchdog should not bark
2318		2686
2319	warn "sync database to disk";	2687	warn "syncing database to disk";
2320	cf::db_sync;	2688	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		2689
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved	2690	# if anything goes wrong in here, we should simply crash as we already saved
2325		2691
2326	warn "cancel all watchers";	2692	warn "cancelling all WF_AUTOCANCEL watchers";
2327	for (Event::all_watchers) {	2693	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}	2695	}
2330		2696
		2697	warn "flushing outstanding aio requests";
		2698	for (;;) {
		2699	BDB::flush;
		2700	IO::AIO::flush;
		2701	Coro::cede;
		2702	last unless IO::AIO::nreqs || BDB::nreqs;
		2703	warn "iterate...";
		2704	}
		2705
		2706	++$RELOAD;
		2707
2331	warn "cancel all extension coros";	2708	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	2709	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	2710	%EXT_CORO = ();
2334		2711
2335	warn "remove commands";	2712	warn "removing commands";
2336	%COMMAND = ();	2713	%COMMAND = ();
2337		2714
2338	warn "remove ext commands";	2715	warn "removing ext commands";
2339	%EXTCMD = ();	2716	%EXTCMD = ();
2340		2717
2341	warn "unload/nuke all extensions";	2718	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	2719	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	2720	warn "... unloading $pkg";
2344		2721
2345	if (my $cb = $pkg->can ("unload")) {	2722	if (my $cb = $pkg->can ("unload")) {
2346	eval {	2723	eval {
…		…
2351		2728
2352	warn "... nuking $pkg";	2729	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;	2730	Symbol::delete_package $pkg;
2354	}	2731	}
2355		2732
2356	warn "unload all perl modules loaded from $LIBDIR";	2733	warn "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	2734	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		2736
2360	warn "removing <$k>";	2737	warn "... unloading $k";
2361	delete $INC{$k};	2738	delete $INC{$k};
2362		2739
2363	$k =~ s/\.pm$//;	2740	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	2741	$k =~ s/\//::/g;
2365		2742
…		…
2368	}	2745	}
2369		2746
2370	Symbol::delete_package $k;	2747	Symbol::delete_package $k;
2371	}	2748	}
2372		2749
2373	warn "get rid of safe::, as good as possible";	2750	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	2751	Symbol::delete_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		2753
2377	warn "unload cf.pm \"a bit\"";	2754	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	2755	delete $INC{"cf.pm"};
		2756	delete $INC{"cf/pod.pm"};
2379		2757
2380	# don't, removes xs symbols, too,	2758	# don't, removes xs symbols, too,
2381	# and global variables created in xs	2759	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	2760	#Symbol::delete_package __PACKAGE__;
2383		2761
		2762	warn "unload completed, starting to reload now";
		2763
2384	warn "reloading cf.pm";	2764	warn "reloading cf.pm";
2385	require cf;	2765	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		2767
2388	warn "load config and database again";	2768	warn "loading config and database again";
2389	cf::cfg_load;	2769	cf::cfg_load;
2390	cf::db_load;
2391		2770
2392	warn "load extensions";	2771	warn "loading extensions";
2393	cf::load_extensions;	2772	cf::load_extensions;
2394		2773
2395	warn "reattach attachments to objects/players";	2774	warn "reattaching attachments to objects/players";
2396	_global_reattach;	2775	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	2776	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	2777	reattach $_ for values %MAP;
2399	};	2778	warn "reattaching attachments to players";
		2779	reattach $_ for values %PLAYER;
2400		2780
2401	if ($@) {	2781	warn "leaving sync_job";
		2782
		2783	1
		2784	} or do {
2402	warn $@;	2785	warn $@;
2403	warn "error while reloading, exiting.";	2786	warn "error while reloading, exiting.";
2404	exit 1;	2787	exit 1;
2405	}	2788	};
2406		2789
2407	warn "reloaded";	2790	warn "reloaded";
2408	};	2791	};
2409		2792
2410	#############################################################################	2793	our $RELOAD_WATCHER; # used only during reload
2411		2794
2412	unless ($LINK_MAP) {	2795	sub reload_perl() {
2413	$LINK_MAP = cf::map::new;	2796	# doing reload synchronously and two reloads happen back-to-back,
		2797	# coro crashes during coro_state_free->destroy here.
2414		2798
2415	$LINK_MAP->width (41);	2799	$RELOAD_WATCHER ||= Event->timer (
2416	$LINK_MAP->height (41);	2800	reentrant => 0,
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,	2801	after => 0,
		2802	data => WF_AUTOCANCEL,
2425	cb => sub {	2803	cb => sub {
2426	$_[0]->w->cancel;	2804	do_reload_perl;
2427		2805	undef $RELOAD_WATCHER;
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});	2806	},
2446		2807	);
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}	2808	}
2452		2809
2453	register_command "reload" => sub {	2810	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	2811	my ($who, $arg) = @_;
2455		2812
2456	if ($who->flag (FLAG_WIZ)) {	2813	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");
2458	reload;
2459	$who->message ("end of reload.");	2814	$who->message ("reloading server.");
		2815	async { reload_perl };
2460	}	2816	}
2461	};	2817	};
2462		2818
2463	unshift @INC, $LIBDIR;	2819	unshift @INC, $LIBDIR;
2464		2820
		2821	my $bug_warning = 0;
		2822
		2823	our @WAIT_FOR_TICK;
		2824	our @WAIT_FOR_TICK_BEGIN;
		2825
		2826	sub wait_for_tick {
		2827	return unless $TICK_WATCHER->is_active;
		2828	return if $Coro::current == $Coro::main;
		2829
		2830	my $signal = new Coro::Signal;
		2831	push @WAIT_FOR_TICK, $signal;
		2832	$signal->wait;
		2833	}
		2834
		2835	sub wait_for_tick_begin {
		2836	return unless $TICK_WATCHER->is_active;
		2837	return if $Coro::current == $Coro::main;
		2838
		2839	my $signal = new Coro::Signal;
		2840	push @WAIT_FOR_TICK_BEGIN, $signal;
		2841	$signal->wait;
		2842	}
		2843
		2844	my $min = 1e6;#d#
		2845	my $avg = 10;
2465	$TICK_WATCHER = Event->timer (	2846	$TICK_WATCHER = Event->timer (
2466	reentrant => 0,	2847	reentrant => 0,
		2848	parked => 1,
2467	prio => 0,	2849	prio => 0,
2468	at => $NEXT_TICK || $TICK,	2850	at => $NEXT_TICK || $TICK,
2469	data => WF_AUTOCANCEL,	2851	data => WF_AUTOCANCEL,
2470	cb => sub {	2852	cb => sub {
		2853	if ($Coro::current != $Coro::main) {
		2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2855	unless ++$bug_warning > 10;
		2856	return;
		2857	}
		2858
		2859	$NOW = $tick_start = Event::time;
		2860
2471	cf::server_tick; # one server iteration	2861	cf::server_tick; # one server iteration
		2862
		2863	0 && sync_job {#d#
		2864	for(1..10) {
		2865	my $t = Event::time;
		2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2867	or die;
		2868
		2869	$map->width (50);
		2870	$map->height (50);
		2871	$map->alloc;
		2872	$map->_load_objects ("/tmp/x.map", 1);
		2873	my $t = Event::time - $t;
		2874
		2875	#next unless $t < 0.0013;#d#
		2876	if ($t < $min) {
		2877	$min = $t;
		2878	}
		2879	$avg = $avg * 0.99 + $t * 0.01;
		2880	}
		2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2882	exit 0;
		2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2884	};
		2885
2472	$RUNTIME += $TICK;	2886	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;	2887	$NEXT_TICK += $TICK;
2474		2888
2475	$WAIT_FOR_TICK->broadcast;	2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2891	Coro::async_pool {
		2892	write_runtime
		2893	or warn "ERROR: unable to write runtime file: $!";
		2894	};
		2895	}
		2896
		2897	# my $AFTER = Event::time;
		2898	# warn $AFTER - $NOW;#d#
		2899
		2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2901	$sig->send;
		2902	}
		2903	while (my $sig = shift @WAIT_FOR_TICK) {
		2904	$sig->send;
		2905	}
		2906
		2907	$NOW = Event::time;
2477		2908
2478	# if we are delayed by four ticks or more, skip them all	2909	# if we are delayed by four ticks or more, skip them all
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2480		2911
2481	$TICK_WATCHER->at ($NEXT_TICK);	2912	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;	2913	$TICK_WATCHER->start;
		2914
		2915	$LOAD = ($NOW - $tick_start) / $TICK;
		2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2917
		2918	_post_tick;
		2919
		2920
2483	},	2921	},
2484	);	2922	);
2485		2923
		2924	{
2486	IO::AIO::max_poll_time $TICK * 0.2;	2925	BDB::max_poll_time $TICK * 0.1;
2487		2926	$BDB_POLL_WATCHER = Event->io (
2488	Event->io (	2927	reentrant => 0,
2489	fd => IO::AIO::poll_fileno,	2928	fd => BDB::poll_fileno,
2490	poll => 'r',	2929	poll => 'r',
2491	prio => 5,	2930	prio => 0,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,	2931	data => WF_AUTOCANCEL,
2498	after => 0,	2932	cb => \&BDB::poll_cb,
2499	interval => 10,	2933	);
2500	cb => sub {	2934	BDB::min_parallel 8;
2501	(Coro::unblock_sub {	2935
2502	write_runtime	2936	BDB::set_sync_prepare {
2503	or warn "ERROR: unable to write runtime file: $!";	2937	my $status;
		2938	my $current = $Coro::current;
		2939	(
		2940	sub {
		2941	$status = $!;
		2942	$current->ready; undef $current;
		2943	},
		2944	sub {
		2945	Coro::schedule while defined $current;
		2946	$! = $status;
		2947	},
		2948	)
		2949	};
		2950
		2951	unless ($DB_ENV) {
		2952	$DB_ENV = BDB::db_env_create;
		2953
		2954	cf::sync_job {
		2955	eval {
		2956	BDB::db_env_open
		2957	$DB_ENV,
		2958	$BDBDIR,
		2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2961	0666;
		2962
		2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2964
		2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2966	$DB_ENV->set_lk_detect;
		2967	};
		2968
		2969	cf::cleanup "db_env_open(db): $@" if $@;
2504	})->();	2970	};
2505	},	2971	}
2506	);	2972	}
		2973
		2974	{
		2975	IO::AIO::min_parallel 8;
		2976
		2977	undef $Coro::AIO::WATCHER;
		2978	IO::AIO::max_poll_time $TICK * 0.1;
		2979	$AIO_POLL_WATCHER = Event->io (
		2980	reentrant => 0,
		2981	data => WF_AUTOCANCEL,
		2982	fd => IO::AIO::poll_fileno,
		2983	poll => 'r',
		2984	prio => 6,
		2985	cb => \&IO::AIO::poll_cb,
		2986	);
		2987	}
		2988
		2989	my $_log_backtrace;
		2990
		2991	sub _log_backtrace {
		2992	my ($msg, @addr) = @_;
		2993
		2994	$msg =~ s/\n//;
		2995
		2996	# limit the # of concurrent backtraces
		2997	if ($_log_backtrace < 2) {
		2998	++$_log_backtrace;
		2999	async {
		3000	my @bt = fork_call {
		3001	@addr = map { sprintf "%x", $_ } @addr;
		3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3004	or die "addr2line: $!";
		3005
		3006	my @funcs;
		3007	my @res = <$fh>;
		3008	chomp for @res;
		3009	while (@res) {
		3010	my ($func, $line) = splice @res, 0, 2, ();
		3011	push @funcs, "[$func] $line";
		3012	}
		3013
		3014	@funcs
		3015	};
		3016
		3017	LOG llevInfo, "[ABT] $msg\n";
		3018	LOG llevInfo, "[ABT] $_\n" for @bt;
		3019	--$_log_backtrace;
		3020	};
		3021	} else {
		3022	LOG llevInfo, "[ABT] $msg\n";
		3023	LOG llevInfo, "[ABT] [suppressed]\n";
		3024	}
		3025	}
		3026
		3027	# load additional modules
		3028	use cf::pod;
2507		3029
2508	END { cf::emergency_save }	3030	END { cf::emergency_save }
2509		3031
2510	1	3032	1
2511		3033

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