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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 1.278 by root, Mon Jun 11 21:38:14 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		59
47	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	76	our $NEXT_TICK;
50	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
51		82
52	our %CFG;	83	our %CFG;
53		84
54	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	86	our $RUNTIME;
56		87
57	our %PLAYER; # all users	88	our %PLAYER; # all users
58	our %MAP; # all maps	89	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		91
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
64		98
65	binmode STDOUT;	99	binmode STDOUT;
66	binmode STDERR;	100	binmode STDERR;
67		101
68	# read virtual server time, if available	102	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
73	}	107	}
74		108
75	mkdir cf::localdir;	109	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		111
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
84		115
85	#############################################################################	116	#############################################################################
86		117
87	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
88		119
…		…
95	=item $cf::RUNTIME	126	=item $cf::RUNTIME
96		127
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	129	every server tick.
99		130
100	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		134
102	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
104		139
105	=item $cf::NOW	140	=item $cf::NOW
106		141
107	The time of the last (current) server tick.	142	The time of the last (current) server tick.
108		143
109	=item $cf::TICK	144	=item $cf::TICK
110		145
111	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
112		157
113	=item %cf::CFG	158	=item %cf::CFG
114		159
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	161	from wherever your confdir points to.
117		162
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		164
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.
124		168
125	=back	169	=back
126		170
127	=cut	171	=cut
128		172
129	BEGIN {	173	BEGIN {
130	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	175	my $msg = join "", @_;
132	utf8::encode $msg;
133		176
134	$msg .= "\n"	177	$msg .= "\n"
135	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
136		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
137	LOG llevError, $msg;	183	LOG llevError, $msg;
138	};	184	};
139	}	185	}
140		186
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		194
148	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	196	# within the Safe compartment.
150	for my $pkg (qw(	197	for my $pkg (qw(
151	cf::global cf::attachable	198	cf::global cf::attachable
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	235	$d
189	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
190	}	237	}
191		238
192	use JSON::Syck (); # TODO# replace by JSON::PC once working	239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
193		240
194	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
195		242
196	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
197		244
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
206		246
207	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
208
209	=cut
210
211	sub to_json($) {
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
213	JSON::Syck::Dump $_[0]
214	}
215		248
216	=item cf::lock_wait $string	249	=item cf::lock_wait $string
217		250
218	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
219		252
…		…
225	returned.	258	returned.
226		259
227	Lock names should begin with a unique identifier (for example, cf::map::find	260	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
229		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
230	=cut	267	=cut
231		268
232	our %LOCK;	269	our %LOCK;
233		270
234	sub lock_wait($) {	271	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
255	}	292	}
256	}	293	}
257		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
258	sub freeze_mainloop {	301	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
260		303
261	my $guard = Coro::guard { $TICK_WATCHER->start };	304	my $guard = Coro::guard {
		305	$TICK_WATCHER->start;
		306	};
262	$TICK_WATCHER->stop;	307	$TICK_WATCHER->stop;
263	$guard	308	$guard
264	}	309	}
265		310
266	=item cf::async { BLOCK }	311	=item cf::async { BLOCK }
…		…
288		333
289	sub sync_job(&) {	334	sub sync_job(&) {
290	my ($job) = @_;	335	my ($job) = @_;
291		336
292	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
293	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
295		342
296	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
308		355
309	while ($busy) {	356	while ($busy) {
310	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
311	}	358	}
312		359
		360	$time = Event::time - $time;
		361
		362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		364
		365	$tick_start += $time; # do not account sync jobs to server load
		366
313	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
314	} else {	368	} else {
315	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
316		370
317	$job->()	371	$job->()
…		…
337		391
338	$coro	392	$coro
339	}	393	}
340		394
341	sub write_runtime {	395	sub write_runtime {
342	my $runtime = cf::localdir . "/runtime";	396	my $runtime = "$LOCALDIR/runtime";
		397
		398	# first touch the runtime file to show we are still running:
		399	# the fsync below can take a very very long time.
		400
		401	IO::AIO::aio_utime $runtime, undef, undef;
		402
		403	my $guard = cf::lock_acquire "write_runtime";
343		404
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345	or return;	406	or return;
346		407
		408	my $value = $cf::RUNTIME + 90 + 10;
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	409	# 10 is the runtime save interval, for a monotonic clock
		410	# 60 allows for the watchdog to kill the server.
		411
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0	412	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;	413	and return;
350		414
		415	# always fsync - this file is important
351	aio_fsync $fh	416	aio_fsync $fh
352	and return;	417	and return;
353		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
354	close $fh	422	close $fh
355	or return;	423	or return;
356		424
357	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
358	and return;	426	and return;
359		427
		428	warn "runtime file written.\n";
		429
360	1	430	1
361	}	431	}
362		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		442	}
		443
363	=back	444	=back
364		445
365	=cut	446	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($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";
…		…
937	or return;	873	or return;
938	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
939	}	875	}
940		876
941	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
942	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
943	return ($data, $av);	879	return ($data, $av);
944	}	880	}
945		881
946	#############################################################################	882	#############################################################################
947	# command handling &c	883	# command handling &c
…		…
1007		943
1008	cf::override;	944	cf::override;
1009	},	945	},
1010	);	946	);
1011		947
1012	sub load_extension {
1013	my ($path) = @_;
1014
1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1016	my $base = $1;
1017	my $pkg = $1;
1018	$pkg =~ s/[^[:word:]]/_/g;
1019	$pkg = "ext::$pkg";
1020
1021	warn "... loading '$path' into '$pkg'\n";
1022
1023	open my $fh, "<:utf8", $path
1024	or die "$path: $!";
1025
1026	my $source =
1027	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })
1030	. "\n};\n1";
1031
1032	eval $source
1033	or die $@ ? "$path: $@\n"
1034	: "extension disabled.\n";
1035
1036	push @EXTS, $pkg;
1037	}
1038
1039	sub load_extensions {	948	sub load_extensions {
		949	cf::sync_job {
		950	my %todo;
		951
1040	for my $ext (<$LIBDIR/*.ext>) {	952	for my $path (<$LIBDIR/*.ext>) {
1041	next unless -r $ext;	953	next unless -r $path;
1042	eval {	954
1043	load_extension $ext;	955	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		956	my $base = $1;
		957	my $pkg = $1;
		958	$pkg =~ s/[^[:word:]]/_/g;
		959	$pkg = "ext::$pkg";
		960
		961	open my $fh, "<:utf8", $path
		962	or die "$path: $!";
		963
		964	my $source = do { local $/; <$fh> };
		965
		966	my %ext = (
		967	path => $path,
		968	base => $base,
		969	pkg => $pkg,
		970	);
		971
		972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }
		973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;
		974
		975	$ext{source} =
		976	"package $pkg; use strict; use utf8;\n"
		977	. "#line 1 \"$path\"\n{\n"
		978	. $source
		979	. "\n};\n1";
		980
		981	$todo{$base} = \%ext;
		982	}
		983
		984	my %done;
		985	while (%todo) {
		986	my $progress;
		987
		988	while (my ($k, $v) = each %todo) {
		989	for (split /,\s*/, $ext{meta}{depends}) {
		990	goto skip
		991	unless exists $done{$_};
		992	}
		993
		994	warn "... loading '$k' into '$v->{pkg}'\n";
		995
		996	unless (eval $v->{source}) {
		997	my $msg = $@ ? "$v->{path}: $@\n"
		998	: "extension disabled.\n";
		999
		1000	if (exists $v->{meta}{mandatory}) {
		1001	warn $msg;
		1002	warn "mandatory extension failed to load, exiting.\n";
		1003	exit 1;
		1004	}
		1005
		1006	die $msg;
		1007	}
		1008
		1009	$done{$k} = delete $todo{$k};
		1010	push @EXTS, $v->{pkg};
1044	1	1011	}
1045	} or warn "$ext not loaded: $@";	1012
		1013	skip:
		1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1015	unless $progress;
		1016	}
1046	}	1017	};
1047	}	1018	}
1048		1019
1049	#############################################################################	1020	#############################################################################
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		1021
1065	=head2 CORE EXTENSIONS	1022	=head2 CORE EXTENSIONS
1066		1023
1067	Functions and methods that extend core crossfire objects.	1024	Functions and methods that extend core crossfire objects.
1068		1025
…		…
1081	Returns the given player object, loading it if necessary (might block).	1038	Returns the given player object, loading it if necessary (might block).
1082		1039
1083	=cut	1040	=cut
1084		1041
1085	sub playerdir($) {	1042	sub playerdir($) {
1086	cf::localdir	1043	"$PLAYERDIR/"
1087	. "/"
1088	. cf::playerdir
1089	. "/"
1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1044	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1091	}	1045	}
1092		1046
1093	sub path($) {	1047	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1048	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		1049
1096	(playerdir $login) . "/$login.pl"	1050	(playerdir $login) . "/playerdata"
1097	}	1051	}
1098		1052
1099	sub find_active($) {	1053	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	1054	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	1055	and $cf::PLAYER{$_[0]}->active
…		…
1104		1058
1105	sub exists($) {	1059	sub exists($) {
1106	my ($login) = @_;	1060	my ($login) = @_;
1107		1061
1108	$cf::PLAYER{$login}	1062	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	1063	or cf::sync_job { !aio_stat path $login }
1110	}	1064	}
1111		1065
1112	sub find($) {	1066	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	1067	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	1068	my $login = $_[0];
1115		1069
1116	my $guard = cf::lock_acquire "user_find:$login";	1070	my $guard = cf::lock_acquire "user_find:$login";
1117		1071
1118	$cf::PLAYER{$_[0]} || do {	1072	$cf::PLAYER{$_[0]} || do {
		1073	# rename old playerfiles to new ones
		1074	#TODO: remove when no longer required
		1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1078	aio_unlink +(playerdir $login) . "/$login.pl";
		1079
1119	my $pl = load_pl path $login	1080	my $pl = load_pl path $login
1120	or return;	1081	or return;
1121	$cf::PLAYER{$login} = $pl	1082	$cf::PLAYER{$login} = $pl
1122	}	1083	}
1123	}	1084	}
…		…
1160		1121
1161	=cut	1122	=cut
1162		1123
1163	sub quit_character {	1124	sub quit_character {
1164	my ($pl) = @_;	1125	my ($pl) = @_;
		1126
		1127	my $name = $pl->ob->name;
1165		1128
1166	$pl->{deny_save} = 1;	1129	$pl->{deny_save} = 1;
1167	$pl->password ("*"); # this should lock out the player until we nuked the dir	1130	$pl->password ("*"); # this should lock out the player until we nuked the dir
1168		1131
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1174	my $path = playerdir $pl;	1137	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1138	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1139	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1140	delete $cf::PLAYER{$pl->ob->name};
1178	$pl->destroy;	1141	$pl->destroy;
		1142
		1143	my $prefix = qr<^~\Q$name\E/>;
		1144
		1145	# nuke player maps
		1146	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1147
1179	IO::AIO::aio_rmtree $temp;	1148	IO::AIO::aio_rmtree $temp;
		1149	}
		1150
		1151	=item $pl->kick
		1152
		1153	Kicks a player out of the game. This destroys the connection.
		1154
		1155	=cut
		1156
		1157	sub kick {
		1158	my ($pl, $kicker) = @_;
		1159
		1160	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1161	$pl->killer ("kicked");
		1162	$pl->ns->destroy;
1180	}	1163	}
1181		1164
1182	=item cf::player::list_logins	1165	=item cf::player::list_logins
1183		1166
1184	Returns am arrayref of all valid playernames in the system, can take a	1167	Returns am arrayref of all valid playernames in the system, can take a
1185	while and may block, so not sync_job-capable, ever.	1168	while and may block, so not sync_job-capable, ever.
1186		1169
1187	=cut	1170	=cut
1188		1171
1189	sub list_logins {	1172	sub list_logins {
1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1173	my $dirs = aio_readdir $PLAYERDIR
1191	or return [];	1174	or return [];
1192		1175
1193	my @logins;	1176	my @logins;
1194		1177
1195	for my $login (@$dirs) {	1178	for my $login (@$dirs) {
…		…
1204	\@logins	1187	\@logins
1205	}	1188	}
1206		1189
1207	=item $player->maps	1190	=item $player->maps
1208		1191
1209	Returns an arrayref of cf::path's of all maps that are private for this	1192	Returns an arrayref of map paths that are private for this
1210	player. May block.	1193	player. May block.
1211		1194
1212	=cut	1195	=cut
1213		1196
1214	sub maps($) {	1197	sub maps($) {
1215	my ($pl) = @_;	1198	my ($pl) = @_;
		1199
		1200	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1201
1217	my $files = aio_readdir playerdir $pl	1202	my $files = aio_readdir playerdir $pl
1218	or return;	1203	or return;
1219		1204
1220	my @paths;	1205	my @paths;
…		…
1222	for (@$files) {	1207	for (@$files) {
1223	utf8::decode $_;	1208	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1209	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1210	next unless /^$PATH_SEP/o;
1226		1211
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1212	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1213	}
1229		1214
1230	\@paths	1215	\@paths
1231	}	1216	}
1232		1217
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1218	=item $player->ext_reply ($msgid, %msg)
1234		1219
1235	Sends an ext reply to the player.	1220	Sends an ext reply to the player.
1236		1221
1237	=cut	1222	=cut
1238		1223
1239	sub ext_reply($$$%) {	1224	sub ext_reply($$%) {
1240	my ($self, $id, %msg) = @_;	1225	my ($self, $id, %msg) = @_;
1241		1226
1242	$msg{msgid} = $id;	1227	$msg{msgid} = $id;
1243		1228
1244	$self->send ("ext " . cf::to_json \%msg);	1229	$self->send ("ext " . cf::to_json \%msg);
1245	}	1230	}
1246		1231
1247	package cf;	1232	=item $player->ext_event ($type, %msg)
		1233
		1234	Sends an ext event to the client.
		1235
		1236	=cut
		1237
		1238	sub ext_event($$%) {
		1239	my ($self, $type, %msg) = @_;
		1240
		1241	$self->ns->ext_event ($type, %msg);
		1242	}
		1243
		1244	=head3 cf::region
		1245
		1246	=over 4
		1247
		1248	=cut
		1249
		1250	package cf::region;
		1251
		1252	=item cf::region::find_by_path $path
		1253
		1254	Tries to decuce the probable region for a map knowing only its path.
		1255
		1256	=cut
		1257
		1258	sub find_by_path($) {
		1259	my ($path) = @_;
		1260
		1261	my ($match, $specificity);
		1262
		1263	for my $region (list) {
		1264	if ($region->match && $path =~ $region->match) {
		1265	($match, $specificity) = ($region, $region->specificity)
		1266	if $region->specificity > $specificity;
		1267	}
		1268	}
		1269
		1270	$match
		1271	}
1248		1272
1249	=back	1273	=back
1250
1251		1274
1252	=head3 cf::map	1275	=head3 cf::map
1253		1276
1254	=over 4	1277	=over 4
1255		1278
…		…
1258	package cf::map;	1281	package cf::map;
1259		1282
1260	use Fcntl;	1283	use Fcntl;
1261	use Coro::AIO;	1284	use Coro::AIO;
1262		1285
		1286	use overload
		1287	'""' => \&as_string,
		1288	fallback => 1;
		1289
1263	our $MAX_RESET = 3600;	1290	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1291	our $DEFAULT_RESET = 3000;
1265		1292
1266	sub generate_random_map {	1293	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1294	my ($self, $rmp) = @_;
1268
1269	# mit "rum" bekleckern, nicht	1295	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1296	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1300	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1301	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1307	(cf::region::find $rmp->{region}), $rmp->{custom}
		1308	)
		1309	}
		1310
		1311	=item cf::map->register ($regex, $prio)
		1312
		1313	Register a handler for the map path matching the given regex at the
		1314	givne priority (higher is better, built-in handlers have priority 0, the
		1315	default).
		1316
		1317	=cut
		1318
		1319	sub register {
		1320	my (undef, $regex, $prio) = @_;
		1321	my $pkg = caller;
		1322
		1323	no strict;
		1324	push @{"$pkg\::ISA"}, __PACKAGE__;
		1325
		1326	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1327	}
		1328
		1329	# also paths starting with '/'
		1330	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1331
		1332	sub thawer_merge {
		1333	my ($self, $merge) = @_;
		1334
		1335	# we have to keep some variables in memory intact
		1336	local $self->{path};
		1337	local $self->{load_path};
		1338
		1339	$self->SUPER::thawer_merge ($merge);
		1340	}
		1341
		1342	sub normalise {
		1343	my ($path, $base) = @_;
		1344
		1345	$path = "$path"; # make sure its a string
		1346
		1347	$path =~ s/\.map$//;
		1348
		1349	# map plan:
		1350	#
		1351	# /! non-realised random map exit (special hack!)
		1352	# {... are special paths that are not being touched
		1353	# ?xxx/... are special absolute paths
		1354	# ?random/... random maps
		1355	# /... normal maps
		1356	# ~user/... per-player map of a specific user
		1357
		1358	$path =~ s/$PATH_SEP/\//go;
		1359
		1360	# treat it as relative path if it starts with
		1361	# something that looks reasonable
		1362	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1363	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1364
		1365	$base =~ s{[^/]+/?$}{};
		1366	$path = "$base/$path";
		1367	}
		1368
		1369	for ($path) {
		1370	redo if s{//}{/};
		1371	redo if s{/\.?/}{/};
		1372	redo if s{/[^/]+/\.\./}{/};
		1373	}
		1374
		1375	$path
		1376	}
		1377
		1378	sub new_from_path {
		1379	my (undef, $path, $base) = @_;
		1380
		1381	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1382
		1383	$path = normalise $path, $base;
		1384
		1385	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1386	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1387	my $self = bless cf::map::new, $pkg;
		1388	$self->{path} = $path; $self->path ($path);
		1389	$self->init; # pass $1 etc.
		1390	return $self;
		1391	}
		1392	}
		1393
		1394	Carp::carp "unable to resolve path '$path' (base '$base').";
		1395	()
		1396	}
		1397
		1398	sub init {
		1399	my ($self) = @_;
		1400
		1401	$self
		1402	}
		1403
		1404	sub as_string {
		1405	my ($self) = @_;
		1406
		1407	"$self->{path}"
		1408	}
		1409
		1410	# the displayed name, this is a one way mapping
		1411	sub visible_name {
		1412	&as_string
		1413	}
		1414
		1415	# the original (read-only) location
		1416	sub load_path {
		1417	my ($self) = @_;
		1418
		1419	"$MAPDIR/$self->{path}.map"
		1420	}
		1421
		1422	# the temporary/swap location
		1423	sub save_path {
		1424	my ($self) = @_;
		1425
		1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1427	"$TMPDIR/$path.map"
		1428	}
		1429
		1430	# the unique path, undef == no special unique path
		1431	sub uniq_path {
		1432	my ($self) = @_;
		1433
		1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1435	"$UNIQUEDIR/$path"
1283	}	1436	}
1284		1437
1285	# and all this just because we cannot iterate over	1438	# and all this just because we cannot iterate over
1286	# all maps in C++...	1439	# all maps in C++...
1287	sub change_all_map_light {	1440	sub change_all_map_light {
…		…
1289		1442
1290	$_->change_map_light ($change)	1443	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1444	for grep $_->outdoor, values %cf::MAP;
1292	}	1445	}
1293		1446
		1447	sub decay_objects {
		1448	my ($self) = @_;
		1449
		1450	return if $self->{deny_reset};
		1451
		1452	$self->do_decay_objects;
		1453	}
		1454
		1455	sub unlink_save {
		1456	my ($self) = @_;
		1457
		1458	utf8::encode (my $save = $self->save_path);
		1459	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1460	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1461	}
		1462
1294	sub load_map_header($) {	1463	sub load_header_from($) {
1295	my ($path) = @_;	1464	my ($self, $path) = @_;
1296		1465
1297	utf8::encode $path;	1466	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1467	#aio_open $path, O_RDONLY, 0
		1468	# or return;
		1469
		1470	$self->_load_header ($path)
1299	or return;	1471	or return;
1300		1472
1301	my $map = cf::map::new	1473	$self->{load_path} = $path;
		1474
		1475	1
		1476	}
		1477
		1478	sub load_header_orig {
		1479	my ($self) = @_;
		1480
		1481	$self->load_header_from ($self->load_path)
		1482	}
		1483
		1484	sub load_header_temp {
		1485	my ($self) = @_;
		1486
		1487	$self->load_header_from ($self->save_path)
		1488	}
		1489
		1490	sub prepare_temp {
		1491	my ($self) = @_;
		1492
		1493	$self->last_access ((delete $self->{last_access})
		1494	|| $cf::RUNTIME); #d#
		1495	# safety
		1496	$self->{instantiate_time} = $cf::RUNTIME
		1497	if $self->{instantiate_time} > $cf::RUNTIME;
		1498	}
		1499
		1500	sub prepare_orig {
		1501	my ($self) = @_;
		1502
		1503	$self->{load_original} = 1;
		1504	$self->{instantiate_time} = $cf::RUNTIME;
		1505	$self->last_access ($cf::RUNTIME);
		1506	$self->instantiate;
		1507	}
		1508
		1509	sub load_header {
		1510	my ($self) = @_;
		1511
		1512	if ($self->load_header_temp) {
		1513	$self->prepare_temp;
		1514	} else {
		1515	$self->load_header_orig
1302	or return;	1516	or return;
		1517	$self->prepare_orig;
		1518	}
1303		1519
1304	# for better error messages only, will be overwritten later	1520	$self->{deny_reset} = 1
1305	$map->path ($path);	1521	if $self->no_reset;
1306		1522
1307	$map->load_header ($path)	1523	$self->default_region (cf::region::find_by_path $self->{path})
1308	or return;	1524	unless $self->default_region;
1309		1525
1310	$map->{load_path} = $path;	1526	1
1311
1312	$map
1313	}	1527	}
1314		1528
1315	sub find;	1529	sub find;
1316	sub find {	1530	sub find {
1317	my ($path, $origin) = @_;	1531	my ($path, $origin) = @_;
1318		1532
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1533	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1534
1324	cf::lock_wait "map_find:$key";	1535	cf::lock_wait "map_find:$path";
1325		1536
1326	$cf::MAP{$key} || do {	1537	$cf::MAP{$path} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1538	my $guard = cf::lock_acquire "map_find:$path";
1328		1539	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;	1540	or return;
1343		1541
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;	1542	$map->{last_save} = $cf::RUNTIME;
1356		1543
1357	Coro::cede;	1544	$map->load_header
		1545	or return;
1358		1546
1359	if ($map->should_reset) {	1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1548	# doing this can freeze the server in a sync job, obviously
		1549	#$cf::WAIT_FOR_TICK->wait;
1360	$map->reset;	1550	$map->reset;
1361	undef $guard;	1551	undef $guard;
1362	$map = find $path	1552	return find $path;
1363	or return;
1364	}	1553	}
1365		1554
1366	$cf::MAP{$key} = $map	1555	$cf::MAP{$path} = $map
1367	}	1556	}
1368	}	1557	}
		1558
		1559	sub pre_load { }
		1560	sub post_load { }
1369		1561
1370	sub load {	1562	sub load {
1371	my ($self) = @_;	1563	my ($self) = @_;
1372		1564
		1565	local $self->{deny_reset} = 1; # loading can take a long time
		1566
1373	my $path = $self->{path};	1567	my $path = $self->{path};
		1568
		1569	{
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1570	my $guard = cf::lock_acquire "map_load:$path";
1375		1571
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1572	return if $self->in_memory != cf::MAP_SWAPPED;
1377		1573
1378	$self->in_memory (cf::MAP_LOADING);	1574	$self->in_memory (cf::MAP_LOADING);
1379		1575
1380	$self->alloc;	1576	$self->alloc;
		1577
		1578	$self->pre_load;
		1579	Coro::cede;
		1580
1381	$self->load_objects ($self->{load_path}, 1)	1581	$self->_load_objects ($self->{load_path}, 1)
1382	or return;	1582	or return;
1383		1583
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385	if delete $self->{load_original};	1585	if delete $self->{load_original};
1386		1586
1387	if (my $uniq = $path->uniq_path) {	1587	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	1588	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	1589	if (aio_open $uniq, O_RDONLY, 0) {
1390	$self->clear_unique_items;	1590	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	1591	$self->_load_objects ($uniq, 0);
1392	}	1592	}
1393	}	1593	}
1394		1594
1395	Coro::cede;	1595	Coro::cede;
1396
1397	# now do the right thing for maps	1596	# now do the right thing for maps
1398	$self->link_multipart_objects;	1597	$self->link_multipart_objects;
1399
1400	if ($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)	1598	$self->difficulty ($self->estimate_difficulty)
1409	unless $self->difficulty;	1599	unless $self->difficulty;
		1600	Coro::cede;
		1601
		1602	unless ($self->{deny_activate}) {
		1603	$self->decay_objects;
		1604	$self->fix_auto_apply;
		1605	$self->update_buttons;
		1606	Coro::cede;
		1607	$self->set_darkness_map;
		1608	Coro::cede;
1410	$self->activate;	1609	$self->activate;
1411	}	1610	}
1412		1611
1413	Coro::cede;
1414
1415	$self->in_memory (cf::MAP_IN_MEMORY);	1612	$self->in_memory (cf::MAP_IN_MEMORY);
		1613	}
		1614
		1615	$self->post_load;
		1616	}
		1617
		1618	sub customise_for {
		1619	my ($self, $ob) = @_;
		1620
		1621	return find "~" . $ob->name . "/" . $self->{path}
		1622	if $self->per_player;
		1623
		1624	# return find "?party/" . $ob->name . "/" . $self->{path}
		1625	# if $self->per_party;
		1626
		1627	$self
1416	}	1628	}
1417		1629
1418	# find and load all maps in the 3x3 area around a map	1630	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	1631	sub load_diag {
1420	my ($map) = @_;	1632	my ($map) = @_;
…		…
1450		1662
1451	cf::sync_job { $map->load };	1663	cf::sync_job { $map->load };
1452	}	1664	}
1453		1665
1454	our %MAP_PREFETCH;	1666	our %MAP_PREFETCH;
1455	our $MAP_PREFETCHER = Coro::async {	1667	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	$map->load;
1465	}
1466	Coro::schedule;
1467	}
1468	};
1469		1668
1470	sub find_async {	1669	sub find_async {
1471	my ($path, $origin) = @_;	1670	my ($path, $origin) = @_;
1472		1671
1473	$path = new cf::path $path, $origin && $origin->path;	1672	$path = normalise $path, $origin && $origin->{path};
1474	my $key = $path->as_string;
1475		1673
1476	if (my $map = $cf::MAP{$key}) {	1674	if (my $map = $cf::MAP{$path}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}	1676	}
1479		1677
1480	$MAP_PREFETCH{$key} = $path;	1678	undef $MAP_PREFETCH{$path};
		1679	$MAP_PREFETCHER ||= cf::async {
		1680	while (%MAP_PREFETCH) {
		1681	for my $path (keys %MAP_PREFETCH) {
		1682	my $map = find $path
		1683	or next;
		1684	$map->load;
		1685
		1686	delete $MAP_PREFETCH{$path};
		1687	}
		1688	}
		1689	undef $MAP_PREFETCHER;
		1690	};
1481	$MAP_PREFETCHER->ready;	1691	$MAP_PREFETCHER->prio (6);
1482		1692
1483	()	1693	()
1484	}	1694	}
1485		1695
1486	sub save {	1696	sub save {
…		…
1490		1700
1491	$self->{last_save} = $cf::RUNTIME;	1701	$self->{last_save} = $cf::RUNTIME;
1492		1702
1493	return unless $self->dirty;	1703	return unless $self->dirty;
1494		1704
1495	my $save = $self->{path}->save_path; utf8::encode $save;	1705	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1706	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		1707
1498	$self->{load_path} = $save;	1708	$self->{load_path} = $save;
1499		1709
1500	return if $self->{deny_save};	1710	return if $self->{deny_save};
1501		1711
…		…
1504	cf::async {	1714	cf::async {
1505	$_->contr->save for $self->players;	1715	$_->contr->save for $self->players;
1506	};	1716	};
1507		1717
1508	if ($uniq) {	1718	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	1721	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1722	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	1723	}
1514	}	1724	}
1515		1725
1516	sub swap_out {	1726	sub swap_out {
1517	my ($self) = @_;	1727	my ($self) = @_;
…		…
1531		1741
1532	sub reset_at {	1742	sub reset_at {
1533	my ($self) = @_;	1743	my ($self) = @_;
1534		1744
1535	# TODO: safety, remove and allow resettable per-player maps	1745	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};
1537	return 1e99 if $self->{deny_reset};	1746	return 1e99 if $self->{deny_reset};
1538		1747
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1748	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1749	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		1750
…		…
1546	my ($self) = @_;	1755	my ($self) = @_;
1547		1756
1548	$self->reset_at <= $cf::RUNTIME	1757	$self->reset_at <= $cf::RUNTIME
1549	}	1758	}
1550		1759
1551	sub unlink_save {
1552	my ($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	$self->save;
1570	}
1571
1572	sub reset {	1760	sub reset {
1573	my ($self) = @_;	1761	my ($self) = @_;
1574		1762
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	1763	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		1764
1577	return if $self->players;	1765	return if $self->players;
1578	return if $self->{path}{user_rel};#d#
1579		1766
1580	warn "resetting map ", $self->path;#d#	1767	warn "resetting map ", $self->path;
		1768
		1769	$self->in_memory (cf::MAP_SWAPPED);
		1770
		1771	# need to save uniques path
		1772	unless ($self->{deny_save}) {
		1773	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1774
		1775	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1776	if $uniq;
		1777	}
1581		1778
1582	delete $cf::MAP{$self->path};	1779	delete $cf::MAP{$self->path};
		1780
		1781	$self->clear;
1583		1782
1584	$_->clear_links_to ($self) for values %cf::MAP;	1783	$_->clear_links_to ($self) for values %cf::MAP;
1585		1784
1586	$self->unlink_save;	1785	$self->unlink_save;
1587	$self->destroy;	1786	$self->destroy;
…		…
1590	my $nuke_counter = "aaaa";	1789	my $nuke_counter = "aaaa";
1591		1790
1592	sub nuke {	1791	sub nuke {
1593	my ($self) = @_;	1792	my ($self) = @_;
1594		1793
		1794	delete $cf::MAP{$self->path};
		1795
		1796	$self->unlink_save;
		1797
		1798	bless $self, "cf::map";
		1799	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	1800	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	1801	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1803
		1804	$cf::MAP{$self->path} = $self;
		1805
1598	$self->reset; # polite request, might not happen	1806	$self->reset; # polite request, might not happen
1599	}	1807	}
1600		1808
1601	sub customise_for {	1809	=item $maps = cf::map::tmp_maps
1602	my ($map, $ob) = @_;
1603		1810
1604	if ($map->per_player) {	1811	Returns an arrayref with all map paths of currently instantiated and saved
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1812	maps. May block.
		1813
		1814	=cut
		1815
		1816	sub tmp_maps() {
1606	}	1817	[
		1818	map {
		1819	utf8::decode $_;
		1820	/\.map$/
		1821	? normalise $_
		1822	: ()
		1823	} @{ aio_readdir $TMPDIR or [] }
		1824	]
		1825	}
1607		1826
1608	$map	1827	=item $maps = cf::map::random_maps
		1828
		1829	Returns an arrayref with all map paths of currently instantiated and saved
		1830	random maps. May block.
		1831
		1832	=cut
		1833
		1834	sub random_maps() {
		1835	[
		1836	map {
		1837	utf8::decode $_;
		1838	/\.map$/
		1839	? normalise "?random/$_"
		1840	: ()
		1841	} @{ aio_readdir $RANDOMDIR or [] }
		1842	]
1609	}	1843	}
1610		1844
1611	=item cf::map::unique_maps	1845	=item cf::map::unique_maps
1612		1846
1613	Returns an arrayref of cf::path's of all shared maps that have	1847	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	1848	instantiated unique items. May block.
1615		1849
1616	=cut	1850	=cut
1617		1851
1618	sub unique_maps() {	1852	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1853	[
1620	or return;	1854	map {
1621
1622	my @paths;
1623
1624	for (@$files) {
1625	utf8::decode $_;	1855	utf8::decode $_;
1626	next if /\.pst$/;	1856	/\.map$/
1627	next unless /^$PATH_SEP/o;	1857	? normalise $_
1628		1858	: ()
1629	push @paths, new cf::path $_;	1859	} @{ aio_readdir $UNIQUEDIR or [] }
1630	}	1860	]
1631
1632	\@paths
1633	}	1861	}
1634		1862
1635	package cf;	1863	package cf;
1636		1864
1637	=back	1865	=back
…		…
1709		1937
1710	=item $player_object->enter_link	1938	=item $player_object->enter_link
1711		1939
1712	Freezes the player and moves him/her to a special map (C<{link}>).	1940	Freezes the player and moves him/her to a special map (C<{link}>).
1713		1941
1714	The player should be reaosnably safe there for short amounts of time. You	1942	The player should be reasonably safe there for short amounts of time. You
1715	I<MUST> call C<leave_link> as soon as possible, though.	1943	I<MUST> call C<leave_link> as soon as possible, though.
1716		1944
		1945	Will never block.
		1946
1717	=item $player_object->leave_link ($map, $x, $y)	1947	=item $player_object->leave_link ($map, $x, $y)
1718		1948
1719	Moves the player out of the specila link map onto the given map. If the	1949	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	1950	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	1951	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	1952	fails, to the emergency map position.
1723		1953
1724	Might block.	1954	Might block.
1725		1955
1726	=cut	1956	=cut
		1957
		1958	sub link_map {
		1959	unless ($LINK_MAP) {
		1960	$LINK_MAP = cf::map::find "{link}"
		1961	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1962	$LINK_MAP->load;
		1963	}
		1964
		1965	$LINK_MAP
		1966	}
1727		1967
1728	sub cf::object::player::enter_link {	1968	sub cf::object::player::enter_link {
1729	my ($self) = @_;	1969	my ($self) = @_;
1730		1970
1731	$self->deactivate_recursive;	1971	$self->deactivate_recursive;
1732		1972
1733	return if $self->map == $LINK_MAP;	1973	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		1974
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	1976	if $self->map && $self->map->{path} ne "{link}";
1737		1977
1738	$self->enter_map ($LINK_MAP, 20, 20);	1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	1979	}
1740		1980
1741	sub cf::object::player::leave_link {	1981	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	1982	my ($self, $map, $x, $y) = @_;
		1983
		1984	return unless $self->contr->active;
1743		1985
1744	my $link_pos = delete $self->{_link_pos};	1986	my $link_pos = delete $self->{_link_pos};
1745		1987
1746	unless ($map) {	1988	unless ($map) {
1747	# restore original map position	1989	# restore original map position
…		…
1765	$map->load;	2007	$map->load;
1766	$map->load_diag;	2008	$map->load_diag;
1767		2009
1768	return unless $self->contr->active;	2010	return unless $self->contr->active;
1769	$self->activate_recursive;	2011	$self->activate_recursive;
		2012
		2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	2014	$self->enter_map ($map, $x, $y);
1771	}	2015	}
1772		2016
1773	cf::player->attach (
1774	on_logout => sub {
1775	my ($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)	2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1806		2018
		2019	Moves the player to the given map-path and coordinates by first freezing
		2020	her, loading and preparing them map, calling the provided $check callback
		2021	that has to return the map if sucecssful, and then unfreezes the player on
		2022	the new (success) or old (failed) map position.
		2023
1807	=cut	2024	=cut
		2025
		2026	our $GOTOGEN;
1808		2027
1809	sub cf::object::player::goto {	2028	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	2029	my ($self, $path, $x, $y, $check) = @_;
1811		2030
1812	$path = new cf::path $path;	2031	# do generation counting so two concurrent goto's will be executed in-order
		2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1813		2033
1814	$self->enter_link;	2034	$self->enter_link;
1815		2035
1816	(async {	2036	(async {
		2037	my $map = eval {
1817	my $map = cf::map::find $path->as_string;	2038	my $map = cf::map::find $path;
		2039
		2040	if ($map) {
1818	$map = $map->customise_for ($self) if $map;	2041	$map = $map->customise_for ($self);
1819		2042	$map = $check->($map) if $check && $map;
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	2043	} else {
1821	# if $map;
1822
1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2045	}
1824		2046
		2047	$map
		2048	};
		2049
		2050	if ($@) {
		2051	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2052	LOG llevError | logBacktrace, Carp::longmess $@;
		2053	}
		2054
		2055	if ($gen == $self->{_goto_generation}) {
		2056	delete $self->{_goto_generation};
1825	$self->leave_link ($map, $x, $y);	2057	$self->leave_link ($map, $x, $y);
		2058	}
1826	})->prio (1);	2059	})->prio (1);
1827	}	2060	}
1828		2061
1829	=item $player_object->enter_exit ($exit_object)	2062	=item $player_object->enter_exit ($exit_object)
1830		2063
…		…
1832		2065
1833	sub parse_random_map_params {	2066	sub parse_random_map_params {
1834	my ($spec) = @_;	2067	my ($spec) = @_;
1835		2068
1836	my $rmp = { # defaults	2069	my $rmp = { # defaults
1837	xsize => 10,	2070	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	2071	ysize => (cf::rndm 15, 40),
		2072	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2073	#layout => string,
1839	};	2074	};
1840		2075
1841	for (split /\n/, $spec) {	2076	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	2077	my ($k, $v) = split /\s+/, $_, 2;
1843		2078
…		…
1847	$rmp	2082	$rmp
1848	}	2083	}
1849		2084
1850	sub prepare_random_map {	2085	sub prepare_random_map {
1851	my ($exit) = @_;	2086	my ($exit) = @_;
		2087
		2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
1852		2089
1853	# all this does is basically replace the /! path by	2090	# all this does is basically replace the /! path by
1854	# a new random map path (?random/...) with a seed	2091	# a new random map path (?random/...) with a seed
1855	# that depends on the exit object	2092	# that depends on the exit object
1856		2093
1857	my $rmp = parse_random_map_params $exit->msg;	2094	my $rmp = parse_random_map_params $exit->msg;
1858		2095
1859	if ($exit->map) {	2096	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	2097	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	2098	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	2099	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	2100	$rmp->{origin_y} = $exit->y;
1864	}	2101	}
1865		2102
1866	$rmp->{random_seed} ||= $exit->random_seed;	2103	$rmp->{random_seed} ||= $exit->random_seed;
1867		2104
1868	my $data = cf::to_json $rmp;	2105	my $data = cf::to_json $rmp;
1869	my $md5 = Digest::MD5::md5_hex $data;	2106	my $md5 = Digest::MD5::md5_hex $data;
		2107	my $meta = "$RANDOMDIR/$md5.meta";
1870		2108
1871	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872	aio_write $fh, 0, (length $data), $data, 0;	2110	aio_write $fh, 0, (length $data), $data, 0;
		2111	undef $fh;
		2112	aio_rename "$meta~", $meta;
1873		2113
1874	$exit->slaying ("?random/$md5");	2114	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	2115	$exit->msg (undef);
1876	}	2116	}
1877	}	2117	}
1878		2118
1879	sub cf::object::player::enter_exit {	2119	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	2120	my ($self, $exit) = @_;
1881		2121
1882	return unless $self->type == cf::PLAYER;	2122	return unless $self->type == cf::PLAYER;
		2123
		2124	if ($exit->slaying eq "/!") {
		2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2126	# the problem is that $exit might not survive long enough
		2127	# so it needs to be done right now, right here
		2128	cf::sync_job { prepare_random_map $exit };
		2129	}
		2130
		2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2132	my $hp = $exit->stats->hp;
		2133	my $sp = $exit->stats->sp;
1883		2134
1884	$self->enter_link;	2135	$self->enter_link;
1885		2136
1886	(async {	2137	(async {
1887	$self->deactivate_recursive; # just to be sure	2138	$self->deactivate_recursive; # just to be sure
1888	unless (eval {	2139	unless (eval {
1889	prepare_random_map $exit	2140	$self->goto ($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		2141
1895	1;	2142	1;
1896	}) {	2143	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	2144	$self->message ("Something went wrong deep within the crossfire server. "
1898	. "I'll try to bring you back to the map you were before. "	2145	. "I'll try to bring you back to the map you were before. "
1899	. "Please report this to the dungeon master!",	2146	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2147	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2148
1902	warn "ERROR in enter_exit: $@";	2149	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2150	$self->leave_link;
1904	}	2151	}
1905	})->prio (1);	2152	})->prio (1);
…		…
1918		2165
1919	sub cf::client::send_drawinfo {	2166	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2167	my ($self, $text, $flags) = @_;
1921		2168
1922	utf8::encode $text;	2169	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2171	}
1925		2172
		2173	=item $client->ext_event ($type, %msg)
		2174
		2175	Sends an exti event to the client.
		2176
		2177	=cut
		2178
		2179	sub cf::client::ext_event($$%) {
		2180	my ($self, $type, %msg) = @_;
		2181
		2182	$msg{msgtype} = "event_$type";
		2183	$self->send_packet ("ext " . cf::to_json \%msg);
		2184	}
1926		2185
1927	=item $success = $client->query ($flags, "text", \&cb)	2186	=item $success = $client->query ($flags, "text", \&cb)
1928		2187
1929	Queues a query to the client, calling the given callback with	2188	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>,	2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1959	# get handled first	2218	# get handled first
1960	my $queue = delete $ns->{query_queue}	2219	my $queue = delete $ns->{query_queue}
1961	or return; # be conservative, not sure how that can happen, but we saw a crash here	2220	or return; # be conservative, not sure how that can happen, but we saw a crash here
1962		2221
1963	(shift @$queue)->[1]->($msg);	2222	(shift @$queue)->[1]->($msg);
		2223	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2224
1965	push @{ $ns->{query_queue} }, @$queue;	2225	push @{ $ns->{query_queue} }, @$queue;
1966		2226
1967	if (@{ $ns->{query_queue} } == @$queue) {	2227	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2228	if (@$queue) {
…		…
2026		2286
2027	# here we export the classes and methods available to script code	2287	# here we export the classes and methods available to script code
2028		2288
2029	=pod	2289	=pod
2030		2290
2031	The following fucntions and emthods are available within a safe environment:	2291	The following functions and methods are available within a safe environment:
2032		2292
2033	cf::object contr pay_amount pay_player map	2293	cf::object contr pay_amount pay_player map
2034	cf::object::player player	2294	cf::object::player player
2035	cf::player peaceful	2295	cf::player peaceful
2036	cf::map trigger	2296	cf::map trigger
…		…
2121	#############################################################################	2381	#############################################################################
2122		2382
2123	=head2 EXTENSION DATABASE SUPPORT	2383	=head2 EXTENSION DATABASE SUPPORT
2124		2384
2125	Crossfire maintains a very simple database for extension use. It can	2385	Crossfire maintains a very simple database for extension use. It can
2126	currently store anything that can be serialised using Storable, which	2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2127	excludes objects.	2387	convert to/from binary).
2128		2388
2129	The parameter C<$family> should best start with the name of the extension	2389	The parameter C<$family> should best start with the name of the extension
2130	using it, it should be unique.	2390	using it, it should be unique.
2131		2391
2132	=over 4	2392	=over 4
2133		2393
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	2394	=item $value = cf::db_get $family => $key
2141		2395
2142	Returns a single value from the database	2396	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		2397
2149	=item cf::db_put $family => $key => $value	2398	=item cf::db_put $family => $key => $value
2150		2399
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you	2400	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		2401
2162	=cut	2402	=cut
2163		2403
2164	our $DB;	2404	our $DB;
2165		2405
2166	{	2406	sub db_init {
2167	my $path = cf::localdir . "/database.pst";	2407	unless ($DB) {
		2408	$DB = BDB::db_create $DB_ENV;
2168		2409
2169	sub db_load() {	2410	cf::sync_job {
2170	$DB = stat $path ? Storable::retrieve $path : { };	2411	eval {
2171	}	2412	$DB->set_flags (BDB::CHKSUM);
2172		2413
2173	my $pid;	2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2174		2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2175	sub db_save() {	2416	cf::cleanup "db_open(db): $!" if $!;
2176	waitpid $pid, 0 if $pid;	2417	};
2177	if (0 == ($pid = fork)) {	2418	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	}	2419	};
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	});	2420	}
		2421	}
2195		2422
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}
2200
2201	sub db_get($;$) {	2423	sub db_get($$) {
2202	@_ >= 2	2424	my $key = "$_[0]/$_[1]";
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206		2425
		2426	cf::sync_job {
		2427	BDB::db_get $DB, undef, $key, my $data;
		2428
		2429	$! ? ()
		2430	: $data
		2431	}
		2432	}
		2433
2207	sub db_put($$;$) {	2434	sub db_put($$$) {
2208	if (@_ >= 3) {	2435	BDB::dbreq_pri 4;
2209	$DB->{$_[0]}{$_[1]} = $_[2];	2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2210	} else {	2437	}
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215		2438
2216	cf::global->attach (	2439	=item cf::cache $id => [$paths...], $processversion => $process
2217	prio => 10000,	2440
2218	on_cleanup => sub {	2441	Generic caching function that returns the value of the resource $id,
2219	db_sync;	2442	caching and regenerating as required.
		2443
		2444	This function can block.
		2445
		2446	=cut
		2447
		2448	sub cache {
		2449	my ($id, $src, $processversion, $process) = @_;
		2450
		2451	my $meta =
		2452	join "\x00",
		2453	$processversion,
		2454	map {
		2455	aio_stat $_
		2456	and Carp::croak "$_: $!";
		2457
		2458	($_, (stat _)[7,9])
		2459	} @$src;
		2460
		2461	my $dbmeta = db_get cache => "$id/meta";
		2462	if ($dbmeta ne $meta) {
		2463	# changed, we may need to process
		2464
		2465	my @data;
		2466	my $md5;
		2467
		2468	for (0 .. $#$src) {
		2469	0 <= aio_load $src->[$_], $data[$_]
		2470	or Carp::croak "$src->[$_]: $!";
2220	},	2471	}
2221	);	2472
		2473	# if processing is expensive, check
		2474	# checksum first
		2475	if (1) {
		2476	$md5 =
		2477	join "\x00",
		2478	$processversion,
		2479	map {
		2480	Coro::cede;
		2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2482	} 0.. $#$src;
		2483
		2484
		2485	my $dbmd5 = db_get cache => "$id/md5";
		2486	if ($dbmd5 eq $md5) {
		2487	db_put cache => "$id/meta", $meta;
		2488
		2489	return db_get cache => "$id/data";
		2490	}
		2491	}
		2492
		2493	my $t1 = Time::HiRes::time;
		2494	my $data = $process->(\@data);
		2495	my $t2 = Time::HiRes::time;
		2496
		2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2498
		2499	db_put cache => "$id/data", $data;
		2500	db_put cache => "$id/md5" , $md5;
		2501	db_put cache => "$id/meta", $meta;
		2502
		2503	return $data;
		2504	}
		2505
		2506	db_get cache => "$id/data"
		2507	}
		2508
		2509	=item fork_call { }, $args
		2510
		2511	Executes the given code block with the given arguments in a seperate
		2512	process, returning the results. Everything must be serialisable with
		2513	Coro::Storable. May, of course, block. Note that the executed sub may
		2514	never block itself or use any form of Event handling.
		2515
		2516	=cut
		2517
		2518	sub fork_call(&@) {
		2519	my ($cb, @args) = @_;
		2520
		2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2522	# or die "socketpair: $!";
		2523	pipe my $fh1, my $fh2
		2524	or die "pipe: $!";
		2525
		2526	if (my $pid = fork) {
		2527	close $fh2;
		2528
		2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2530	$res = Coro::Storable::thaw $res;
		2531
		2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2533
		2534	die $$res unless "ARRAY" eq ref $res;
		2535
		2536	return wantarray ? @$res : $res->[-1];
		2537	} else {
		2538	reset_signals;
		2539	local $SIG{__WARN__};
		2540	local $SIG{__DIE__};
		2541	eval {
		2542	close $fh1;
		2543
		2544	my @res = eval { $cb->(@args) };
		2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2546	};
		2547
		2548	warn $@ if $@;
		2549	_exit 0;
		2550	}
2222	}	2551	}
2223		2552
2224	#############################################################################	2553	#############################################################################
2225	# the server's main()	2554	# the server's init and main functions
		2555
		2556	sub load_facedata($) {
		2557	my ($path) = @_;
		2558
		2559	warn "loading facedata from $path\n";
		2560
		2561	my $facedata;
		2562	0 < aio_load $path, $facedata
		2563	or die "$path: $!";
		2564
		2565	$facedata = Coro::Storable::thaw $facedata;
		2566
		2567	$facedata->{version} == 2
		2568	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2569
		2570	{
		2571	my $faces = $facedata->{faceinfo};
		2572
		2573	while (my ($face, $info) = each %$faces) {
		2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2578	Coro::cede;
		2579	}
		2580
		2581	while (my ($face, $info) = each %$faces) {
		2582	next unless $info->{smooth};
		2583	my $idx = cf::face::find $face
		2584	or next;
		2585	if (my $smooth = cf::face::find $info->{smooth}) {
		2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2587	} else {
		2588	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2589	}
		2590	Coro::cede;
		2591	}
		2592	}
		2593
		2594	{
		2595	my $anims = $facedata->{animinfo};
		2596
		2597	while (my ($anim, $info) = each %$anims) {
		2598	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2599	Coro::cede;
		2600	}
		2601
		2602	cf::anim::invalidate_all; # d'oh
		2603	}
		2604
		2605	1
		2606	}
		2607
		2608	sub reload_regions {
		2609	load_resource_file "$MAPDIR/regions"
		2610	or die "unable to load regions file\n";
		2611	}
		2612
		2613	sub reload_facedata {
		2614	load_facedata "$DATADIR/facedata"
		2615	or die "unable to load facedata\n";
		2616	}
		2617
		2618	sub reload_archetypes {
		2619	load_resource_file "$DATADIR/archetypes"
		2620	or die "unable to load archetypes\n";
		2621	}
		2622
		2623	sub reload_treasures {
		2624	load_resource_file "$DATADIR/treasures"
		2625	or die "unable to load treasurelists\n";
		2626	}
		2627
		2628	sub reload_resources {
		2629	warn "reloading resource files...\n";
		2630
		2631	reload_regions;
		2632	reload_facedata;
		2633	#reload_archetypes;#d#
		2634	reload_archetypes;
		2635	reload_treasures;
		2636
		2637	warn "finished reloading resource files\n";
		2638	}
		2639
		2640	sub init {
		2641	reload_resources;
		2642	}
2226		2643
2227	sub cfg_load {	2644	sub cfg_load {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	2645	open my $fh, "<:utf8", "$CONFDIR/config"
2229	or return;	2646	or return;
2230		2647
2231	local $/;	2648	local $/;
2232	*CFG = YAML::Syck::Load <$fh>;	2649	*CFG = YAML::Syck::Load <$fh>;
2233		2650
…		…
2247		2664
2248	sub main {	2665	sub main {
2249	# we must not ever block the main coroutine	2666	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	2667	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2669	(async {
2252	async { Event::one_event };	2670	Event::one_event;
		2671	})->prio (Coro::PRIO_MAX);
2253	};	2672	};
2254		2673
2255	cfg_load;	2674	cfg_load;
2256	db_load;	2675	db_init;
2257	load_extensions;	2676	load_extensions;
		2677
		2678	$TICK_WATCHER->start;
2258	Event::loop;	2679	Event::loop;
2259	}	2680	}
2260		2681
2261	#############################################################################	2682	#############################################################################
2262	# initialisation and cleanup	2683	# initialisation and cleanup
2263		2684
2264	# install some emergency cleanup handlers	2685	# install some emergency cleanup handlers
2265	BEGIN {	2686	BEGIN {
2266	for my $signal (qw(INT HUP TERM)) {	2687	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	2688	Event->signal (
		2689	reentrant => 0,
2268	data => WF_AUTOCANCEL,	2690	data => WF_AUTOCANCEL,
2269	signal => $signal,	2691	signal => $signal,
		2692	prio => 0,
2270	cb => sub {	2693	cb => sub {
2271	cf::cleanup "SIG$signal";	2694	cf::cleanup "SIG$signal";
2272	},	2695	},
2273	);	2696	);
2274	}	2697	}
2275	}	2698	}
…		…
2280	warn "enter emergency perl save\n";	2703	warn "enter emergency perl save\n";
2281		2704
2282	cf::sync_job {	2705	cf::sync_job {
2283	# use a peculiar iteration method to avoid tripping on perl	2706	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	2707	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	2708	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	2709	warn "begin emergency player save\n";
2287	for my $login (keys %cf::PLAYER) {	2710	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	2711	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	2712	$pl->valid or next;
2290	$pl->save;	2713	$pl->save;
…		…
2296	my $map = $cf::MAP{$path} or next;	2719	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	2720	$map->valid or next;
2298	$map->save;	2721	$map->save;
2299	}	2722	}
2300	warn "end emergency map save\n";	2723	warn "end emergency map save\n";
		2724
		2725	warn "begin emergency database checkpoint\n";
		2726	BDB::db_env_txn_checkpoint $DB_ENV;
		2727	warn "end emergency database checkpoint\n";
2301	};	2728	};
2302		2729
2303	warn "leave emergency perl save\n";	2730	warn "leave emergency perl save\n";
2304	}	2731	}
2305		2732
		2733	sub post_cleanup {
		2734	my ($make_core) = @_;
		2735
		2736	warn Carp::longmess "post_cleanup backtrace"
		2737	if $make_core;
		2738	}
		2739
2306	sub reload() {	2740	sub do_reload_perl() {
2307	# can/must only be called in main	2741	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	2742	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	2743	warn "can only reload from main coroutine";
2310	return;	2744	return;
2311	}	2745	}
2312		2746
2313	warn "reloading...";	2747	warn "reloading...";
2314		2748
2315	warn "freezing server";	2749	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	2750
		2751	cf::sync_job {
		2752	cf::write_runtime; # external watchdog should not bark
2317	cf::emergency_save;	2753	cf::emergency_save;
		2754	cf::write_runtime; # external watchdog should not bark
2318		2755
2319	warn "sync database to disk";	2756	warn "syncing database to disk";
2320	cf::db_sync;	2757	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		2758
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved	2759	# if anything goes wrong in here, we should simply crash as we already saved
2325		2760
2326	warn "cancel all watchers";	2761	warn "cancelling all WF_AUTOCANCEL watchers";
2327	for (Event::all_watchers) {	2762	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}	2764	}
2330		2765
		2766	warn "flushing outstanding aio requests";
		2767	for (;;) {
		2768	BDB::flush;
		2769	IO::AIO::flush;
		2770	Coro::cede;
		2771	last unless IO::AIO::nreqs || BDB::nreqs;
		2772	warn "iterate...";
		2773	}
		2774
		2775	++$RELOAD;
		2776
2331	warn "cancel all extension coros";	2777	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	2778	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	2779	%EXT_CORO = ();
2334		2780
2335	warn "remove commands";	2781	warn "removing commands";
2336	%COMMAND = ();	2782	%COMMAND = ();
2337		2783
2338	warn "remove ext commands";	2784	warn "removing ext commands";
2339	%EXTCMD = ();	2785	%EXTCMD = ();
2340		2786
2341	warn "unload/nuke all extensions";	2787	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	2788	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	2789	warn "... unloading $pkg";
2344		2790
2345	if (my $cb = $pkg->can ("unload")) {	2791	if (my $cb = $pkg->can ("unload")) {
2346	eval {	2792	eval {
…		…
2351		2797
2352	warn "... nuking $pkg";	2798	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;	2799	Symbol::delete_package $pkg;
2354	}	2800	}
2355		2801
2356	warn "unload all perl modules loaded from $LIBDIR";	2802	warn "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	2803	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		2805
2360	warn "removing <$k>";	2806	warn "... unloading $k";
2361	delete $INC{$k};	2807	delete $INC{$k};
2362		2808
2363	$k =~ s/\.pm$//;	2809	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	2810	$k =~ s/\//::/g;
2365		2811
…		…
2368	}	2814	}
2369		2815
2370	Symbol::delete_package $k;	2816	Symbol::delete_package $k;
2371	}	2817	}
2372		2818
2373	warn "get rid of safe::, as good as possible";	2819	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	2820	Symbol::delete_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		2822
2377	warn "unload cf.pm \"a bit\"";	2823	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	2824	delete $INC{"cf.pm"};
		2825	delete $INC{"cf/pod.pm"};
2379		2826
2380	# don't, removes xs symbols, too,	2827	# don't, removes xs symbols, too,
2381	# and global variables created in xs	2828	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	2829	#Symbol::delete_package __PACKAGE__;
2383		2830
		2831	warn "unload completed, starting to reload now";
		2832
2384	warn "reloading cf.pm";	2833	warn "reloading cf.pm";
2385	require cf;	2834	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		2836
2388	warn "load config and database again";	2837	warn "loading config and database again";
2389	cf::cfg_load;	2838	cf::cfg_load;
2390	cf::db_load;
2391		2839
2392	warn "load extensions";	2840	warn "loading extensions";
2393	cf::load_extensions;	2841	cf::load_extensions;
2394		2842
2395	warn "reattach attachments to objects/players";	2843	warn "reattaching attachments to objects/players";
2396	_global_reattach;	2844	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	2845	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	2846	reattach $_ for values %MAP;
2399	};	2847	warn "reattaching attachments to players";
		2848	reattach $_ for values %PLAYER;
2400		2849
2401	if ($@) {	2850	warn "leaving sync_job";
		2851
		2852	1
		2853	} or do {
2402	warn $@;	2854	warn $@;
2403	warn "error while reloading, exiting.";	2855	warn "error while reloading, exiting.";
2404	exit 1;	2856	exit 1;
2405	}	2857	};
2406		2858
2407	warn "reloaded";	2859	warn "reloaded";
2408	};	2860	};
2409		2861
2410	#############################################################################	2862	our $RELOAD_WATCHER; # used only during reload
2411		2863
2412	unless ($LINK_MAP) {	2864	sub reload_perl() {
2413	$LINK_MAP = cf::map::new;	2865	# doing reload synchronously and two reloads happen back-to-back,
		2866	# coro crashes during coro_state_free->destroy here.
2414		2867
2415	$LINK_MAP->width (41);	2868	$RELOAD_WATCHER ||= Event->timer (
2416	$LINK_MAP->height (41);	2869	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,	2870	after => 0,
		2871	data => WF_AUTOCANCEL,
2425	cb => sub {	2872	cb => sub {
2426	$_[0]->w->cancel;	2873	do_reload_perl;
2427		2874	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	});	2875	},
2446		2876	);
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}	2877	}
2452		2878
2453	register_command "reload" => sub {	2879	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	2880	my ($who, $arg) = @_;
2455		2881
2456	if ($who->flag (FLAG_WIZ)) {	2882	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");
2458	reload;
2459	$who->message ("end of reload.");	2883	$who->message ("reloading server.");
		2884	async { reload_perl };
2460	}	2885	}
2461	};	2886	};
2462		2887
2463	unshift @INC, $LIBDIR;	2888	unshift @INC, $LIBDIR;
2464		2889
		2890	my $bug_warning = 0;
		2891
		2892	our @WAIT_FOR_TICK;
		2893	our @WAIT_FOR_TICK_BEGIN;
		2894
		2895	sub wait_for_tick {
		2896	return unless $TICK_WATCHER->is_active;
		2897	return if $Coro::current == $Coro::main;
		2898
		2899	my $signal = new Coro::Signal;
		2900	push @WAIT_FOR_TICK, $signal;
		2901	$signal->wait;
		2902	}
		2903
		2904	sub wait_for_tick_begin {
		2905	return unless $TICK_WATCHER->is_active;
		2906	return if $Coro::current == $Coro::main;
		2907
		2908	my $signal = new Coro::Signal;
		2909	push @WAIT_FOR_TICK_BEGIN, $signal;
		2910	$signal->wait;
		2911	}
		2912
		2913	my $min = 1e6;#d#
		2914	my $avg = 10;
2465	$TICK_WATCHER = Event->timer (	2915	$TICK_WATCHER = Event->timer (
2466	reentrant => 0,	2916	reentrant => 0,
		2917	parked => 1,
2467	prio => 0,	2918	prio => 0,
2468	at => $NEXT_TICK || $TICK,	2919	at => $NEXT_TICK || $TICK,
2469	data => WF_AUTOCANCEL,	2920	data => WF_AUTOCANCEL,
2470	cb => sub {	2921	cb => sub {
		2922	if ($Coro::current != $Coro::main) {
		2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2924	unless ++$bug_warning > 10;
		2925	return;
		2926	}
		2927
		2928	$NOW = $tick_start = Event::time;
		2929
2471	cf::server_tick; # one server iteration	2930	cf::server_tick; # one server iteration
		2931
		2932	0 && sync_job {#d#
		2933	for(1..10) {
		2934	my $t = Event::time;
		2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2936	or die;
		2937
		2938	$map->width (50);
		2939	$map->height (50);
		2940	$map->alloc;
		2941	$map->_load_objects ("/tmp/x.map", 1);
		2942	my $t = Event::time - $t;
		2943
		2944	#next unless $t < 0.0013;#d#
		2945	if ($t < $min) {
		2946	$min = $t;
		2947	}
		2948	$avg = $avg * 0.99 + $t * 0.01;
		2949	}
		2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2951	exit 0;
		2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2953	};
		2954
2472	$RUNTIME += $TICK;	2955	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;	2956	$NEXT_TICK += $TICK;
2474		2957
2475	$WAIT_FOR_TICK->broadcast;	2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2960	Coro::async_pool {
		2961	write_runtime
		2962	or warn "ERROR: unable to write runtime file: $!";
		2963	};
		2964	}
		2965
		2966	# my $AFTER = Event::time;
		2967	# warn $AFTER - $NOW;#d#
		2968
		2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2970	$sig->send;
		2971	}
		2972	while (my $sig = shift @WAIT_FOR_TICK) {
		2973	$sig->send;
		2974	}
		2975
		2976	$NOW = Event::time;
2477		2977
2478	# if we are delayed by four ticks or more, skip them all	2978	# if we are delayed by four ticks or more, skip them all
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2480		2980
2481	$TICK_WATCHER->at ($NEXT_TICK);	2981	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;	2982	$TICK_WATCHER->start;
		2983
		2984	$LOAD = ($NOW - $tick_start) / $TICK;
		2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2986
		2987	_post_tick;
		2988
		2989
2483	},	2990	},
2484	);	2991	);
2485		2992
		2993	{
2486	IO::AIO::max_poll_time $TICK * 0.2;	2994	BDB::max_poll_time $TICK * 0.1;
2487		2995	$BDB_POLL_WATCHER = Event->io (
2488	Event->io (	2996	reentrant => 0,
2489	fd => IO::AIO::poll_fileno,	2997	fd => BDB::poll_fileno,
2490	poll => 'r',	2998	poll => 'r',
2491	prio => 5,	2999	prio => 0,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,	3000	data => WF_AUTOCANCEL,
2498	after => 0,	3001	cb => \&BDB::poll_cb,
2499	interval => 10,	3002	);
2500	cb => sub {	3003	BDB::min_parallel 8;
2501	(Coro::unblock_sub {	3004
2502	write_runtime	3005	BDB::set_sync_prepare {
2503	or warn "ERROR: unable to write runtime file: $!";	3006	my $status;
		3007	my $current = $Coro::current;
		3008	(
		3009	sub {
		3010	$status = $!;
		3011	$current->ready; undef $current;
		3012	},
		3013	sub {
		3014	Coro::schedule while defined $current;
		3015	$! = $status;
		3016	},
		3017	)
		3018	};
		3019
		3020	unless ($DB_ENV) {
		3021	$DB_ENV = BDB::db_env_create;
		3022
		3023	cf::sync_job {
		3024	eval {
		3025	BDB::db_env_open
		3026	$DB_ENV,
		3027	$BDBDIR,
		3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3030	0666;
		3031
		3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3033
		3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3035	$DB_ENV->set_lk_detect;
		3036	};
		3037
		3038	cf::cleanup "db_env_open(db): $@" if $@;
2504	})->();	3039	};
2505	},	3040	}
2506	);	3041	}
		3042
		3043	{
		3044	IO::AIO::min_parallel 8;
		3045
		3046	undef $Coro::AIO::WATCHER;
		3047	IO::AIO::max_poll_time $TICK * 0.1;
		3048	$AIO_POLL_WATCHER = Event->io (
		3049	reentrant => 0,
		3050	data => WF_AUTOCANCEL,
		3051	fd => IO::AIO::poll_fileno,
		3052	poll => 'r',
		3053	prio => 6,
		3054	cb => \&IO::AIO::poll_cb,
		3055	);
		3056	}
		3057
		3058	my $_log_backtrace;
		3059
		3060	sub _log_backtrace {
		3061	my ($msg, @addr) = @_;
		3062
		3063	$msg =~ s/\n//;
		3064
		3065	# limit the # of concurrent backtraces
		3066	if ($_log_backtrace < 2) {
		3067	++$_log_backtrace;
		3068	async {
		3069	my @bt = fork_call {
		3070	@addr = map { sprintf "%x", $_ } @addr;
		3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3073	or die "addr2line: $!";
		3074
		3075	my @funcs;
		3076	my @res = <$fh>;
		3077	chomp for @res;
		3078	while (@res) {
		3079	my ($func, $line) = splice @res, 0, 2, ();
		3080	push @funcs, "[$func] $line";
		3081	}
		3082
		3083	@funcs
		3084	};
		3085
		3086	LOG llevInfo, "[ABT] $msg\n";
		3087	LOG llevInfo, "[ABT] $_\n" for @bt;
		3088	--$_log_backtrace;
		3089	};
		3090	} else {
		3091	LOG llevInfo, "[ABT] $msg\n";
		3092	LOG llevInfo, "[ABT] [suppressed]\n";
		3093	}
		3094	}
		3095
		3096	# load additional modules
		3097	use cf::pod;
2507		3098
2508	END { cf::emergency_save }	3099	END { cf::emergency_save }
2509		3100
2510	1	3101	1
2511		3102

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