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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.164 by root, Thu Jan 11 01:24:25 2007 UTC vs.
Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		59
47	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	76	our $NEXT_TICK;
50	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
51		82
52	our %CFG;	83	our %CFG;
53		84
54	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	86	our $RUNTIME;
56		87
57	our %PLAYER; # all users	88	our %PLAYER; # all users
58	our %MAP; # all maps	89	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		91
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
64		98
65	binmode STDOUT;	99	binmode STDOUT;
66	binmode STDERR;	100	binmode STDERR;
67		101
68	# read virtual server time, if available	102	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
73	}	107	}
74		108
75	mkdir cf::localdir;	109	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		111
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
84		115
85	#############################################################################	116	#############################################################################
86		117
87	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
88		119
…		…
95	=item $cf::RUNTIME	126	=item $cf::RUNTIME
96		127
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	129	every server tick.
99		130
100	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		134
102	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
104		139
105	=item $cf::NOW	140	=item $cf::NOW
106		141
107	The time of the last (current) server tick.	142	The time of the last (current) server tick.
108		143
109	=item $cf::TICK	144	=item $cf::TICK
110		145
111	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
112		157
113	=item %cf::CFG	158	=item %cf::CFG
114		159
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	161	from wherever your confdir points to.
117		162
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		164
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.
124		168
125	=back	169	=back
126		170
127	=cut	171	=cut
128		172
129	BEGIN {	173	BEGIN {
130	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	175	my $msg = join "", @_;
132	utf8::encode $msg;
133		176
134	$msg .= "\n"	177	$msg .= "\n"
135	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
136		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
137	LOG llevError, $msg;	183	LOG llevError, $msg;
138	};	184	};
139	}	185	}
140		186
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		194
148	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	196	# within the Safe compartment.
150	for my $pkg (qw(	197	for my $pkg (qw(
151	cf::global cf::attachable	198	cf::global cf::attachable
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	235	$d
189	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
190	}	237	}
191		238
192	use JSON::Syck (); # TODO# replace by JSON::PC once working	239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
193		240
194	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
195		242
196	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
197		244
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
206		246
207	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
208
209	=cut
210
211	sub to_json($) {
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
213	JSON::Syck::Dump $_[0]
214	}
215		248
216	=item cf::lock_wait $string	249	=item cf::lock_wait $string
217		250
218	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
219		252
…		…
225	returned.	258	returned.
226		259
227	Lock names should begin with a unique identifier (for example, cf::map::find	260	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
229		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
230	=cut	267	=cut
231		268
232	our %LOCK;	269	our %LOCK;
233		270
234	sub lock_wait($) {	271	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
255	}	292	}
256	}	293	}
257		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
258	sub freeze_mainloop {	301	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
260		303
261	my $guard = Coro::guard { $TICK_WATCHER->start };	304	my $guard = Coro::guard {
		305	$TICK_WATCHER->start;
		306	};
262	$TICK_WATCHER->stop;	307	$TICK_WATCHER->stop;
263	$guard	308	$guard
264	}	309	}
265		310
266	=item cf::async { BLOCK }	311	=item cf::async { BLOCK }
…		…
288		333
289	sub sync_job(&) {	334	sub sync_job(&) {
290	my ($job) = @_;	335	my ($job) = @_;
291		336
292	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
293	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
295		342
296	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
308		355
309	while ($busy) {	356	while ($busy) {
310	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
311	}	358	}
312		359
		360	$time = Event::time - $time;
		361
		362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		364
		365	$tick_start += $time; # do not account sync jobs to server load
		366
313	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
314	} else {	368	} else {
315	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
316		370
317	$job->()	371	$job->()
…		…
337		391
338	$coro	392	$coro
339	}	393	}
340		394
341	sub write_runtime {	395	sub write_runtime {
342	my $runtime = cf::localdir . "/runtime";	396	my $runtime = "$LOCALDIR/runtime";
		397
		398	# first touch the runtime file to show we are still running:
		399	# the fsync below can take a very very long time.
		400
		401	IO::AIO::aio_utime $runtime, undef, undef;
		402
		403	my $guard = cf::lock_acquire "write_runtime";
343		404
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345	or return;	406	or return;
346		407
		408	my $value = $cf::RUNTIME + 90 + 10;
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	409	# 10 is the runtime save interval, for a monotonic clock
		410	# 60 allows for the watchdog to kill the server.
		411
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0	412	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;	413	and return;
350		414
		415	# always fsync - this file is important
351	aio_fsync $fh	416	aio_fsync $fh
352	and return;	417	and return;
353		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
354	close $fh	422	close $fh
355	or return;	423	or return;
356		424
357	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
358	and return;	426	and return;
359		427
		428	warn "runtime file written.\n";
		429
360	1	430	1
361	}	431	}
362		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		442	}
		443
363	=back	444	=back
364		445
365	=cut	446	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	sub unlink_save {
522	my ($self) = @_;
523
524	utf8::encode (my $save = $self->save_path);
525	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
526	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
527	}
528
529	package cf;
530		447
531	#############################################################################	448	#############################################################################
532		449
533	=head2 ATTACHABLE OBJECTS	450	=head2 ATTACHABLE OBJECTS
534		451
…		…
660	our @CB_TYPE = (); # registry for type (cf-object class) based events	577	our @CB_TYPE = (); # registry for type (cf-object class) based events
661	our @CB_MAP = ();	578	our @CB_MAP = ();
662		579
663	my %attachment;	580	my %attachment;
664		581
		582	sub cf::attachable::thawer_merge {
		583	# simply override everything except _meta
		584	local $_[0]{_meta};
		585	%{$_[0]} = %{$_[1]};
		586	}
		587
665	sub _attach_cb($$$$) {	588	sub _attach_cb($$$$) {
666	my ($registry, $event, $prio, $cb) = @_;	589	my ($registry, $event, $prio, $cb) = @_;
667		590
668	use sort 'stable';	591	use sort 'stable';
669		592
…		…
703	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
704		627
705	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
706	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
707	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
708	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
709		632
710	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
711	my $pkg = shift @arg;	634	my $pkg = shift @arg;
712		635
713	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
754	if (ref $_[0]) {	677	if (ref $_[0]) {
755	_object_attach @_;	678	_object_attach @_;
756	} else {	679	} else {
757	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
758	}	681	}
		682	_recalc_want;
759	};	683	};
760		684
761	# all those should be optimised	685	# all those should be optimised
762	sub cf::attachable::detach {	686	sub cf::attachable::detach {
763	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
766	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
767	reattach ($obj);	691	reattach ($obj);
768	} else {	692	} else {
769	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
770	}	694	}
		695	_recalc_want;
771	};	696	};
772		697
773	sub cf::attachable::attached {	698	sub cf::attachable::attached {
774	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
775		700
…		…
840	# object support	765	# object support
841		766
842	sub reattach {	767	sub reattach {
843	# basically do the same as instantiate, without calling instantiate	768	# basically do the same as instantiate, without calling instantiate
844	my ($obj) = @_;	769	my ($obj) = @_;
		770
		771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
845		772
846	my $registry = $obj->registry;	773	my $registry = $obj->registry;
847		774
848	@$registry = ();	775	@$registry = ();
849		776
…		…
896	$filename, length $$rdata, scalar @$objs;	823	$filename, length $$rdata, scalar @$objs;
897		824
898	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
899	chmod SAVE_MODE, $fh;	826	chmod SAVE_MODE, $fh;
900	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
901	aio_fsync $fh;	828	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	829	close $fh;
903		830
904	if (@$objs) {	831	if (@$objs) {
905	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
906	chmod SAVE_MODE, $fh;	833	chmod SAVE_MODE, $fh;
907	my $data = Storable::nfreeze { version => 1, objs => $objs };	834	my $data = Storable::nfreeze { version => 1, objs => $objs };
908	aio_write $fh, 0, (length $data), $data, 0;	835	aio_write $fh, 0, (length $data), $data, 0;
909	aio_fsync $fh;	836	aio_fsync $fh if $cf::USE_FSYNC;
910	close $fh;	837	close $fh;
911	aio_rename "$filename.pst~", "$filename.pst";	838	aio_rename "$filename.pst~", "$filename.pst";
912	}	839	}
913	} else {	840	} else {
914	aio_unlink "$filename.pst";	841	aio_unlink "$filename.pst";
…		…
946	or return;	873	or return;
947	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
948	}	875	}
949		876
950	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
951	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
952	return ($data, $av);	879	return ($data, $av);
953	}	880	}
954		881
955	#############################################################################	882	#############################################################################
956	# command handling &c	883	# command handling &c
…		…
1036	"package $pkg; use strict; use utf8;\n"	963	"package $pkg; use strict; use utf8;\n"
1037	. "#line 1 \"$path\"\n{\n"	964	. "#line 1 \"$path\"\n{\n"
1038	. (do { local $/; <$fh> })	965	. (do { local $/; <$fh> })
1039	. "\n};\n1";	966	. "\n};\n1";
1040		967
1041	eval $source	968	unless (eval $source) {
1042	or die $@ ? "$path: $@\n"	969	my $msg = $@ ? "$path: $@\n"
1043	: "extension disabled.\n";	970	: "extension disabled.\n";
		971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		972	warn $@;
		973	warn "mandatory extension failed to load, exiting.\n";
		974	exit 1;
		975	}
		976	die $@;
		977	}
1044		978
1045	push @EXTS, $pkg;	979	push @EXTS, $pkg;
1046	}	980	}
1047		981
1048	sub load_extensions {	982	sub load_extensions {
…		…
1054	} or warn "$ext not loaded: $@";	988	} or warn "$ext not loaded: $@";
1055	}	989	}
1056	}	990	}
1057		991
1058	#############################################################################	992	#############################################################################
1059	# load/save/clean perl data associated with a map
1060
1061	*cf::mapsupport::on_clean = sub {
1062	my ($map) = @_;
1063
1064	my $path = $map->tmpname;
1065	defined $path or return;
1066
1067	unlink "$path.pst";
1068	};
1069
1070	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1071
1072	#############################################################################
1073		993
1074	=head2 CORE EXTENSIONS	994	=head2 CORE EXTENSIONS
1075		995
1076	Functions and methods that extend core crossfire objects.	996	Functions and methods that extend core crossfire objects.
1077		997
…		…
1090	Returns the given player object, loading it if necessary (might block).	1010	Returns the given player object, loading it if necessary (might block).
1091		1011
1092	=cut	1012	=cut
1093		1013
1094	sub playerdir($) {	1014	sub playerdir($) {
1095	cf::localdir	1015	"$PLAYERDIR/"
1096	. "/"
1097	. cf::playerdir
1098	. "/"
1099	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1016	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1100	}	1017	}
1101		1018
1102	sub path($) {	1019	sub path($) {
1103	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1020	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1104		1021
1105	(playerdir $login) . "/$login.pl"	1022	(playerdir $login) . "/playerdata"
1106	}	1023	}
1107		1024
1108	sub find_active($) {	1025	sub find_active($) {
1109	$cf::PLAYER{$_[0]}	1026	$cf::PLAYER{$_[0]}
1110	and $cf::PLAYER{$_[0]}->active	1027	and $cf::PLAYER{$_[0]}->active
…		…
1113		1030
1114	sub exists($) {	1031	sub exists($) {
1115	my ($login) = @_;	1032	my ($login) = @_;
1116		1033
1117	$cf::PLAYER{$login}	1034	$cf::PLAYER{$login}
1118	or cf::sync_job { !aio_stat $login }	1035	or cf::sync_job { !aio_stat path $login }
1119	}	1036	}
1120		1037
1121	sub find($) {	1038	sub find($) {
1122	return $cf::PLAYER{$_[0]} || do {	1039	return $cf::PLAYER{$_[0]} || do {
1123	my $login = $_[0];	1040	my $login = $_[0];
1124		1041
1125	my $guard = cf::lock_acquire "user_find:$login";	1042	my $guard = cf::lock_acquire "user_find:$login";
1126		1043
1127	$cf::PLAYER{$_[0]} || do {	1044	$cf::PLAYER{$_[0]} || do {
		1045	# rename old playerfiles to new ones
		1046	#TODO: remove when no longer required
		1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1050	aio_unlink +(playerdir $login) . "/$login.pl";
		1051
1128	my $pl = load_pl path $login	1052	my $pl = load_pl path $login
1129	or return;	1053	or return;
1130	$cf::PLAYER{$login} = $pl	1054	$cf::PLAYER{$login} = $pl
1131	}	1055	}
1132	}	1056	}
…		…
1169		1093
1170	=cut	1094	=cut
1171		1095
1172	sub quit_character {	1096	sub quit_character {
1173	my ($pl) = @_;	1097	my ($pl) = @_;
		1098
		1099	my $name = $pl->ob->name;
1174		1100
1175	$pl->{deny_save} = 1;	1101	$pl->{deny_save} = 1;
1176	$pl->password ("*"); # this should lock out the player until we nuked the dir	1102	$pl->password ("*"); # this should lock out the player until we nuked the dir
1177		1103
1178	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1183	my $path = playerdir $pl;	1109	my $path = playerdir $pl;
1184	my $temp = "$path~$cf::RUNTIME~deleting~";	1110	my $temp = "$path~$cf::RUNTIME~deleting~";
1185	aio_rename $path, $temp;	1111	aio_rename $path, $temp;
1186	delete $cf::PLAYER{$pl->ob->name};	1112	delete $cf::PLAYER{$pl->ob->name};
1187	$pl->destroy;	1113	$pl->destroy;
		1114
		1115	my $prefix = qr<^~\Q$name\E/>;
		1116
		1117	# nuke player maps
		1118	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1119
1188	IO::AIO::aio_rmtree $temp;	1120	IO::AIO::aio_rmtree $temp;
		1121	}
		1122
		1123	=item $pl->kick
		1124
		1125	Kicks a player out of the game. This destroys the connection.
		1126
		1127	=cut
		1128
		1129	sub kick {
		1130	my ($pl, $kicker) = @_;
		1131
		1132	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1133	$pl->killer ("kicked");
		1134	$pl->ns->destroy;
1189	}	1135	}
1190		1136
1191	=item cf::player::list_logins	1137	=item cf::player::list_logins
1192		1138
1193	Returns am arrayref of all valid playernames in the system, can take a	1139	Returns am arrayref of all valid playernames in the system, can take a
1194	while and may block, so not sync_job-capable, ever.	1140	while and may block, so not sync_job-capable, ever.
1195		1141
1196	=cut	1142	=cut
1197		1143
1198	sub list_logins {	1144	sub list_logins {
1199	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1145	my $dirs = aio_readdir $PLAYERDIR
1200	or return [];	1146	or return [];
1201		1147
1202	my @logins;	1148	my @logins;
1203		1149
1204	for my $login (@$dirs) {	1150	for my $login (@$dirs) {
…		…
1213	\@logins	1159	\@logins
1214	}	1160	}
1215		1161
1216	=item $player->maps	1162	=item $player->maps
1217		1163
1218	Returns an arrayref of cf::path's of all maps that are private for this	1164	Returns an arrayref of map paths that are private for this
1219	player. May block.	1165	player. May block.
1220		1166
1221	=cut	1167	=cut
1222		1168
1223	sub maps($) {	1169	sub maps($) {
1224	my ($pl) = @_;	1170	my ($pl) = @_;
		1171
		1172	$pl = ref $pl ? $pl->ob->name : $pl;
1225		1173
1226	my $files = aio_readdir playerdir $pl	1174	my $files = aio_readdir playerdir $pl
1227	or return;	1175	or return;
1228		1176
1229	my @paths;	1177	my @paths;
…		…
1231	for (@$files) {	1179	for (@$files) {
1232	utf8::decode $_;	1180	utf8::decode $_;
1233	next if /\.(?:pl|pst)$/;	1181	next if /\.(?:pl|pst)$/;
1234	next unless /^$PATH_SEP/o;	1182	next unless /^$PATH_SEP/o;
1235		1183
1236	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1184	push @paths, cf::map::normalise "~$pl/$_";
1237	}	1185	}
1238		1186
1239	\@paths	1187	\@paths
1240	}	1188	}
1241		1189
1242	=item $player->ext_reply ($msgid, $msgtype, %msg)	1190	=item $player->ext_reply ($msgid, %msg)
1243		1191
1244	Sends an ext reply to the player.	1192	Sends an ext reply to the player.
1245		1193
1246	=cut	1194	=cut
1247		1195
1248	sub ext_reply($$$%) {	1196	sub ext_reply($$%) {
1249	my ($self, $id, %msg) = @_;	1197	my ($self, $id, %msg) = @_;
1250		1198
1251	$msg{msgid} = $id;	1199	$msg{msgid} = $id;
1252		1200
1253	$self->send ("ext " . cf::to_json \%msg);	1201	$self->send ("ext " . cf::to_json \%msg);
1254	}	1202	}
1255		1203
1256	package cf;	1204	=item $player->ext_event ($type, %msg)
		1205
		1206	Sends an ext event to the client.
		1207
		1208	=cut
		1209
		1210	sub ext_event($$%) {
		1211	my ($self, $type, %msg) = @_;
		1212
		1213	$self->ns->ext_event ($type, %msg);
		1214	}
		1215
		1216	=head3 cf::region
		1217
		1218	=over 4
		1219
		1220	=cut
		1221
		1222	package cf::region;
		1223
		1224	=item cf::region::find_by_path $path
		1225
		1226	Tries to decuce the probable region for a map knowing only its path.
		1227
		1228	=cut
		1229
		1230	sub find_by_path($) {
		1231	my ($path) = @_;
		1232
		1233	my ($match, $specificity);
		1234
		1235	for my $region (list) {
		1236	if ($region->match && $path =~ $region->match) {
		1237	($match, $specificity) = ($region, $region->specificity)
		1238	if $region->specificity > $specificity;
		1239	}
		1240	}
		1241
		1242	$match
		1243	}
1257		1244
1258	=back	1245	=back
1259
1260		1246
1261	=head3 cf::map	1247	=head3 cf::map
1262		1248
1263	=over 4	1249	=over 4
1264		1250
…		…
1267	package cf::map;	1253	package cf::map;
1268		1254
1269	use Fcntl;	1255	use Fcntl;
1270	use Coro::AIO;	1256	use Coro::AIO;
1271		1257
		1258	use overload
		1259	'""' => \&as_string,
		1260	fallback => 1;
		1261
1272	our $MAX_RESET = 3600;	1262	our $MAX_RESET = 3600;
1273	our $DEFAULT_RESET = 3000;	1263	our $DEFAULT_RESET = 3000;
1274		1264
1275	sub generate_random_map {	1265	sub generate_random_map {
1276	my ($path, $rmp) = @_;	1266	my ($self, $rmp) = @_;
1277
1278	# mit "rum" bekleckern, nicht	1267	# mit "rum" bekleckern, nicht
1279	cf::map::_create_random_map (	1268	$self->_create_random_map (
1280	$path,
1281	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1282	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1283	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1284	$rmp->{exit_on_final_map},	1272	$rmp->{exit_on_final_map},
1285	$rmp->{xsize}, $rmp->{ysize},	1273	$rmp->{xsize}, $rmp->{ysize},
…		…
1290	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1291	(cf::region::find $rmp->{region}), $rmp->{custom}	1279	(cf::region::find $rmp->{region}), $rmp->{custom}
1292	)	1280	)
1293	}	1281	}
1294		1282
		1283	=item cf::map->register ($regex, $prio)
		1284
		1285	Register a handler for the map path matching the given regex at the
		1286	givne priority (higher is better, built-in handlers have priority 0, the
		1287	default).
		1288
		1289	=cut
		1290
		1291	sub register {
		1292	my (undef, $regex, $prio) = @_;
		1293	my $pkg = caller;
		1294
		1295	no strict;
		1296	push @{"$pkg\::ISA"}, __PACKAGE__;
		1297
		1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1299	}
		1300
		1301	# also paths starting with '/'
		1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1303
		1304	sub thawer_merge {
		1305	my ($self, $merge) = @_;
		1306
		1307	# we have to keep some variables in memory intact
		1308	local $self->{path};
		1309	local $self->{load_path};
		1310
		1311	$self->SUPER::thawer_merge ($merge);
		1312	}
		1313
		1314	sub normalise {
		1315	my ($path, $base) = @_;
		1316
		1317	$path = "$path"; # make sure its a string
		1318
		1319	$path =~ s/\.map$//;
		1320
		1321	# map plan:
		1322	#
		1323	# /! non-realised random map exit (special hack!)
		1324	# {... are special paths that are not being touched
		1325	# ?xxx/... are special absolute paths
		1326	# ?random/... random maps
		1327	# /... normal maps
		1328	# ~user/... per-player map of a specific user
		1329
		1330	$path =~ s/$PATH_SEP/\//go;
		1331
		1332	# treat it as relative path if it starts with
		1333	# something that looks reasonable
		1334	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1335	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1336
		1337	$base =~ s{[^/]+/?$}{};
		1338	$path = "$base/$path";
		1339	}
		1340
		1341	for ($path) {
		1342	redo if s{//}{/};
		1343	redo if s{/\.?/}{/};
		1344	redo if s{/[^/]+/\.\./}{/};
		1345	}
		1346
		1347	$path
		1348	}
		1349
		1350	sub new_from_path {
		1351	my (undef, $path, $base) = @_;
		1352
		1353	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1354
		1355	$path = normalise $path, $base;
		1356
		1357	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1358	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1359	my $self = bless cf::map::new, $pkg;
		1360	$self->{path} = $path; $self->path ($path);
		1361	$self->init; # pass $1 etc.
		1362	return $self;
		1363	}
		1364	}
		1365
		1366	Carp::carp "unable to resolve path '$path' (base '$base').";
		1367	()
		1368	}
		1369
		1370	sub init {
		1371	my ($self) = @_;
		1372
		1373	$self
		1374	}
		1375
		1376	sub as_string {
		1377	my ($self) = @_;
		1378
		1379	"$self->{path}"
		1380	}
		1381
		1382	# the displayed name, this is a one way mapping
		1383	sub visible_name {
		1384	&as_string
		1385	}
		1386
		1387	# the original (read-only) location
		1388	sub load_path {
		1389	my ($self) = @_;
		1390
		1391	"$MAPDIR/$self->{path}.map"
		1392	}
		1393
		1394	# the temporary/swap location
		1395	sub save_path {
		1396	my ($self) = @_;
		1397
		1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1399	"$TMPDIR/$path.map"
		1400	}
		1401
		1402	# the unique path, undef == no special unique path
		1403	sub uniq_path {
		1404	my ($self) = @_;
		1405
		1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1407	"$UNIQUEDIR/$path"
		1408	}
		1409
1295	# and all this just because we cannot iterate over	1410	# and all this just because we cannot iterate over
1296	# all maps in C++...	1411	# all maps in C++...
1297	sub change_all_map_light {	1412	sub change_all_map_light {
1298	my ($change) = @_;	1413	my ($change) = @_;
1299		1414
1300	$_->change_map_light ($change)	1415	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1416	for grep $_->outdoor, values %cf::MAP;
1302	}	1417	}
1303		1418
		1419	sub decay_objects {
		1420	my ($self) = @_;
		1421
		1422	return if $self->{deny_reset};
		1423
		1424	$self->do_decay_objects;
		1425	}
		1426
		1427	sub unlink_save {
		1428	my ($self) = @_;
		1429
		1430	utf8::encode (my $save = $self->save_path);
		1431	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1432	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1433	}
		1434
1304	sub load_map_header($) {	1435	sub load_header_from($) {
1305	my ($path) = @_;	1436	my ($self, $path) = @_;
1306		1437
1307	utf8::encode $path;	1438	utf8::encode $path;
1308	aio_open $path, O_RDONLY, 0	1439	#aio_open $path, O_RDONLY, 0
		1440	# or return;
		1441
		1442	$self->_load_header ($path)
1309	or return;	1443	or return;
1310		1444
1311	my $map = cf::map::new	1445	$self->{load_path} = $path;
		1446
		1447	1
		1448	}
		1449
		1450	sub load_header_orig {
		1451	my ($self) = @_;
		1452
		1453	$self->load_header_from ($self->load_path)
		1454	}
		1455
		1456	sub load_header_temp {
		1457	my ($self) = @_;
		1458
		1459	$self->load_header_from ($self->save_path)
		1460	}
		1461
		1462	sub prepare_temp {
		1463	my ($self) = @_;
		1464
		1465	$self->last_access ((delete $self->{last_access})
		1466	|| $cf::RUNTIME); #d#
		1467	# safety
		1468	$self->{instantiate_time} = $cf::RUNTIME
		1469	if $self->{instantiate_time} > $cf::RUNTIME;
		1470	}
		1471
		1472	sub prepare_orig {
		1473	my ($self) = @_;
		1474
		1475	$self->{load_original} = 1;
		1476	$self->{instantiate_time} = $cf::RUNTIME;
		1477	$self->last_access ($cf::RUNTIME);
		1478	$self->instantiate;
		1479	}
		1480
		1481	sub load_header {
		1482	my ($self) = @_;
		1483
		1484	if ($self->load_header_temp) {
		1485	$self->prepare_temp;
		1486	} else {
		1487	$self->load_header_orig
1312	or return;	1488	or return;
		1489	$self->prepare_orig;
		1490	}
1313		1491
1314	# for better error messages only, will be overwritten later	1492	$self->{deny_reset} = 1
1315	$map->path ($path);	1493	if $self->no_reset;
1316		1494
1317	$map->load_header ($path)	1495	$self->default_region (cf::region::find_by_path $self->{path})
1318	or return;	1496	unless $self->default_region;
1319		1497
1320	$map->{load_path} = $path;	1498	1
1321
1322	$map
1323	}	1499	}
1324		1500
1325	sub find;	1501	sub find;
1326	sub find {	1502	sub find {
1327	my ($path, $origin) = @_;	1503	my ($path, $origin) = @_;
1328		1504
1329	#warn "find<$path,$origin>\n";#d#
1330
1331	$path = new cf::path $path, $origin && $origin->path;	1505	$path = normalise $path, $origin && $origin->path;
1332	my $key = $path->as_string;
1333		1506
1334	cf::lock_wait "map_find:$key";	1507	cf::lock_wait "map_find:$path";
1335		1508
1336	$cf::MAP{$key} || do {	1509	$cf::MAP{$path} || do {
1337	my $guard = cf::lock_acquire "map_find:$key";	1510	my $guard = cf::lock_acquire "map_find:$path";
1338		1511	my $map = new_from_path cf::map $path
1339	# do it the slow way
1340	my $map = $path->load_temp;
1341
1342	Coro::cede;
1343
1344	if ($map) {
1345	$map->last_access ((delete $map->{last_access})
1346	|| $cf::RUNTIME); #d#
1347	# safety
1348	$map->{instantiate_time} = $cf::RUNTIME
1349	if $map->{instantiate_time} > $cf::RUNTIME;
1350	} else {
1351	$map = $path->load_orig
1352	or return;	1512	or return;
1353		1513
1354	$map->{load_original} = 1;
1355	$map->{instantiate_time} = $cf::RUNTIME;
1356	$map->last_access ($cf::RUNTIME);
1357	$map->instantiate;
1358
1359	# per-player maps become, after loading, normal maps
1360	$map->per_player (0) if $path->{user_rel};
1361	}
1362
1363	$map->path ($key);
1364	$map->{path} = $path;
1365	$map->{last_save} = $cf::RUNTIME;	1514	$map->{last_save} = $cf::RUNTIME;
1366		1515
1367	Coro::cede;	1516	$map->load_header
		1517	or return;
1368		1518
1369	if ($map->should_reset) {	1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1520	# doing this can freeze the server in a sync job, obviously
		1521	#$cf::WAIT_FOR_TICK->wait;
1370	$map->reset;	1522	$map->reset;
1371	undef $guard;	1523	undef $guard;
1372	$map = find $path	1524	return find $path;
1373	or return;
1374	}	1525	}
1375		1526
1376	$cf::MAP{$key} = $map	1527	$cf::MAP{$path} = $map
1377	}	1528	}
1378	}	1529	}
		1530
		1531	sub pre_load { }
		1532	sub post_load { }
1379		1533
1380	sub load {	1534	sub load {
1381	my ($self) = @_;	1535	my ($self) = @_;
1382		1536
		1537	local $self->{deny_reset} = 1; # loading can take a long time
		1538
1383	my $path = $self->{path};	1539	my $path = $self->{path};
		1540
		1541	{
1384	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1542	my $guard = cf::lock_acquire "map_load:$path";
1385		1543
1386	return if $self->in_memory != cf::MAP_SWAPPED;	1544	return if $self->in_memory != cf::MAP_SWAPPED;
1387		1545
1388	$self->in_memory (cf::MAP_LOADING);	1546	$self->in_memory (cf::MAP_LOADING);
1389		1547
1390	$self->alloc;	1548	$self->alloc;
		1549
		1550	$self->pre_load;
		1551	Coro::cede;
		1552
1391	$self->load_objects ($self->{load_path}, 1)	1553	$self->_load_objects ($self->{load_path}, 1)
1392	or return;	1554	or return;
1393		1555
1394	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1395	if delete $self->{load_original};	1557	if delete $self->{load_original};
1396		1558
1397	if (my $uniq = $path->uniq_path) {	1559	if (my $uniq = $self->uniq_path) {
1398	utf8::encode $uniq;	1560	utf8::encode $uniq;
1399	if (aio_open $uniq, O_RDONLY, 0) {	1561	if (aio_open $uniq, O_RDONLY, 0) {
1400	$self->clear_unique_items;	1562	$self->clear_unique_items;
1401	$self->load_objects ($uniq, 0);	1563	$self->_load_objects ($uniq, 0);
1402	}	1564	}
1403	}	1565	}
1404		1566
1405	Coro::cede;	1567	Coro::cede;
1406
1407	# now do the right thing for maps	1568	# now do the right thing for maps
1408	$self->link_multipart_objects;	1569	$self->link_multipart_objects;
1409
1410	if ($self->{path}->is_style_map) {
1411	$self->{deny_save} = 1;
1412	$self->{deny_reset} = 1;
1413	} else {
1414	$self->decay_objects;
1415	$self->fix_auto_apply;
1416	$self->update_buttons;
1417	$self->set_darkness_map;
1418	$self->difficulty ($self->estimate_difficulty)	1570	$self->difficulty ($self->estimate_difficulty)
1419	unless $self->difficulty;	1571	unless $self->difficulty;
		1572	Coro::cede;
		1573
		1574	unless ($self->{deny_activate}) {
		1575	$self->decay_objects;
		1576	$self->fix_auto_apply;
		1577	$self->update_buttons;
		1578	Coro::cede;
		1579	$self->set_darkness_map;
		1580	Coro::cede;
1420	$self->activate;	1581	$self->activate;
1421	}	1582	}
1422		1583
1423	Coro::cede;
1424
1425	$self->in_memory (cf::MAP_IN_MEMORY);	1584	$self->in_memory (cf::MAP_IN_MEMORY);
		1585	}
		1586
		1587	$self->post_load;
		1588	}
		1589
		1590	sub customise_for {
		1591	my ($self, $ob) = @_;
		1592
		1593	return find "~" . $ob->name . "/" . $self->{path}
		1594	if $self->per_player;
		1595
		1596	# return find "?party/" . $ob->name . "/" . $self->{path}
		1597	# if $self->per_party;
		1598
		1599	$self
1426	}	1600	}
1427		1601
1428	# find and load all maps in the 3x3 area around a map	1602	# find and load all maps in the 3x3 area around a map
1429	sub load_diag {	1603	sub load_diag {
1430	my ($map) = @_;	1604	my ($map) = @_;
…		…
1460		1634
1461	cf::sync_job { $map->load };	1635	cf::sync_job { $map->load };
1462	}	1636	}
1463		1637
1464	our %MAP_PREFETCH;	1638	our %MAP_PREFETCH;
1465	our $MAP_PREFETCHER = Coro::async {	1639	our $MAP_PREFETCHER = undef;
1466	while () {
1467	while (%MAP_PREFETCH) {
1468	my $key = each %MAP_PREFETCH
1469	or next;
1470	my $path = delete $MAP_PREFETCH{$key};
1471
1472	my $map = find $path
1473	or next;
1474	$map->load;
1475	}
1476	Coro::schedule;
1477	}
1478	};
1479		1640
1480	sub find_async {	1641	sub find_async {
1481	my ($path, $origin) = @_;	1642	my ($path, $origin) = @_;
1482		1643
1483	$path = new cf::path $path, $origin && $origin->path;	1644	$path = normalise $path, $origin && $origin->{path};
1484	my $key = $path->as_string;
1485		1645
1486	if (my $map = $cf::MAP{$key}) {	1646	if (my $map = $cf::MAP{$path}) {
1487	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1488	}	1648	}
1489		1649
1490	$MAP_PREFETCH{$key} = $path;	1650	undef $MAP_PREFETCH{$path};
		1651	$MAP_PREFETCHER ||= cf::async {
		1652	while (%MAP_PREFETCH) {
		1653	for my $path (keys %MAP_PREFETCH) {
		1654	my $map = find $path
		1655	or next;
		1656	$map->load;
		1657
		1658	delete $MAP_PREFETCH{$path};
		1659	}
		1660	}
		1661	undef $MAP_PREFETCHER;
		1662	};
1491	$MAP_PREFETCHER->ready;	1663	$MAP_PREFETCHER->prio (6);
1492		1664
1493	()	1665	()
1494	}	1666	}
1495		1667
1496	sub save {	1668	sub save {
…		…
1500		1672
1501	$self->{last_save} = $cf::RUNTIME;	1673	$self->{last_save} = $cf::RUNTIME;
1502		1674
1503	return unless $self->dirty;	1675	return unless $self->dirty;
1504		1676
1505	my $save = $self->{path}->save_path; utf8::encode $save;	1677	my $save = $self->save_path; utf8::encode $save;
1506	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1678	my $uniq = $self->uniq_path; utf8::encode $uniq;
1507		1679
1508	$self->{load_path} = $save;	1680	$self->{load_path} = $save;
1509		1681
1510	return if $self->{deny_save};	1682	return if $self->{deny_save};
1511		1683
…		…
1514	cf::async {	1686	cf::async {
1515	$_->contr->save for $self->players;	1687	$_->contr->save for $self->players;
1516	};	1688	};
1517		1689
1518	if ($uniq) {	1690	if ($uniq) {
1519	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1520	$self->save_objects ($uniq, cf::IO_UNIQUES);	1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1521	} else {	1693	} else {
1522	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1694	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1523	}	1695	}
1524	}	1696	}
1525		1697
1526	sub swap_out {	1698	sub swap_out {
1527	my ($self) = @_;	1699	my ($self) = @_;
…		…
1541		1713
1542	sub reset_at {	1714	sub reset_at {
1543	my ($self) = @_;	1715	my ($self) = @_;
1544		1716
1545	# TODO: safety, remove and allow resettable per-player maps	1717	# TODO: safety, remove and allow resettable per-player maps
1546	return 1e99 if $self->{path}{user_rel};
1547	return 1e99 if $self->{deny_reset};	1718	return 1e99 if $self->{deny_reset};
1548		1719
1549	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1720	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1550	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1721	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1551		1722
…		…
1556	my ($self) = @_;	1727	my ($self) = @_;
1557		1728
1558	$self->reset_at <= $cf::RUNTIME	1729	$self->reset_at <= $cf::RUNTIME
1559	}	1730	}
1560		1731
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->{path}->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	1732	sub reset {
1575	my ($self) = @_;	1733	my ($self) = @_;
1576		1734
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	1735	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		1736
1579	return if $self->players;	1737	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		1738
1582	warn "resetting map ", $self->path;#d#	1739	warn "resetting map ", $self->path;
		1740
		1741	$self->in_memory (cf::MAP_SWAPPED);
		1742
		1743	# need to save uniques path
		1744	unless ($self->{deny_save}) {
		1745	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1746
		1747	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1748	if $uniq;
		1749	}
1583		1750
1584	delete $cf::MAP{$self->path};	1751	delete $cf::MAP{$self->path};
1585		1752
		1753	$self->clear;
		1754
1586	$_->clear_links_to ($self) for values %cf::MAP;	1755	$_->clear_links_to ($self) for values %cf::MAP;
1587		1756
1588	$self->{path}->unlink_save;	1757	$self->unlink_save;
1589	$self->destroy;	1758	$self->destroy;
1590	}	1759	}
1591		1760
1592	my $nuke_counter = "aaaa";	1761	my $nuke_counter = "aaaa";
1593		1762
1594	sub nuke {	1763	sub nuke {
1595	my ($self) = @_;	1764	my ($self) = @_;
1596		1765
		1766	delete $cf::MAP{$self->path};
		1767
		1768	$self->unlink_save;
		1769
		1770	bless $self, "cf::map";
		1771	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	1772	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	1773	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1775
		1776	$cf::MAP{$self->path} = $self;
		1777
1600	$self->reset; # polite request, might not happen	1778	$self->reset; # polite request, might not happen
1601	}	1779	}
1602		1780
1603	sub customise_for {	1781	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		1782
1606	if ($map->per_player) {	1783	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1784	maps. May block.
		1785
		1786	=cut
		1787
		1788	sub tmp_maps() {
1608	}	1789	[
		1790	map {
		1791	utf8::decode $_;
		1792	/\.map$/
		1793	? normalise $_
		1794	: ()
		1795	} @{ aio_readdir $TMPDIR or [] }
		1796	]
		1797	}
1609		1798
1610	$map	1799	=item $maps = cf::map::random_maps
		1800
		1801	Returns an arrayref with all map paths of currently instantiated and saved
		1802	random maps. May block.
		1803
		1804	=cut
		1805
		1806	sub random_maps() {
		1807	[
		1808	map {
		1809	utf8::decode $_;
		1810	/\.map$/
		1811	? normalise "?random/$_"
		1812	: ()
		1813	} @{ aio_readdir $RANDOMDIR or [] }
		1814	]
1611	}	1815	}
1612		1816
1613	=item cf::map::unique_maps	1817	=item cf::map::unique_maps
1614		1818
1615	Returns an arrayref of cf::path's of all shared maps that have	1819	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	1820	instantiated unique items. May block.
1617		1821
1618	=cut	1822	=cut
1619		1823
1620	sub unique_maps() {	1824	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1825	[
1622	or return;	1826	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	1827	utf8::decode $_;
1628	next if /\.pst$/;	1828	/\.map$/
1629	next unless /^$PATH_SEP/o;	1829	? normalise $_
1630		1830	: ()
1631	push @paths, new cf::path $_;	1831	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	1832	]
1633
1634	\@paths
1635	}	1833	}
1636		1834
1637	package cf;	1835	package cf;
1638		1836
1639	=back	1837	=back
…		…
1711		1909
1712	=item $player_object->enter_link	1910	=item $player_object->enter_link
1713		1911
1714	Freezes the player and moves him/her to a special map (C<{link}>).	1912	Freezes the player and moves him/her to a special map (C<{link}>).
1715		1913
1716	The player should be reaosnably safe there for short amounts of time. You	1914	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	1915	I<MUST> call C<leave_link> as soon as possible, though.
1718		1916
		1917	Will never block.
		1918
1719	=item $player_object->leave_link ($map, $x, $y)	1919	=item $player_object->leave_link ($map, $x, $y)
1720		1920
1721	Moves the player out of the specila link map onto the given map. If the	1921	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	1922	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	1923	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	1924	fails, to the emergency map position.
1725		1925
1726	Might block.	1926	Might block.
1727		1927
1728	=cut	1928	=cut
		1929
		1930	sub link_map {
		1931	unless ($LINK_MAP) {
		1932	$LINK_MAP = cf::map::find "{link}"
		1933	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1934	$LINK_MAP->load;
		1935	}
		1936
		1937	$LINK_MAP
		1938	}
1729		1939
1730	sub cf::object::player::enter_link {	1940	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1941	my ($self) = @_;
1732		1942
1733	$self->deactivate_recursive;	1943	$self->deactivate_recursive;
1734		1944
1735	return if $self->map == $LINK_MAP;	1945	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1946
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1947	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1948	if $self->map && $self->map->{path} ne "{link}";
1739		1949
1740	$self->enter_map ($LINK_MAP, 20, 20);	1950	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1951	}
1742		1952
1743	sub cf::object::player::leave_link {	1953	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1954	my ($self, $map, $x, $y) = @_;
		1955
		1956	return unless $self->contr->active;
1745		1957
1746	my $link_pos = delete $self->{_link_pos};	1958	my $link_pos = delete $self->{_link_pos};
1747		1959
1748	unless ($map) {	1960	unless ($map) {
1749	# restore original map position	1961	# restore original map position
…		…
1767	$map->load;	1979	$map->load;
1768	$map->load_diag;	1980	$map->load_diag;
1769		1981
1770	return unless $self->contr->active;	1982	return unless $self->contr->active;
1771	$self->activate_recursive;	1983	$self->activate_recursive;
		1984
		1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	1986	$self->enter_map ($map, $x, $y);
1773	}	1987	}
1774		1988
1775	cf::player->attach (
1776	on_logout => sub {
1777	my ($pl) = @_;
1778
1779	# abort map switching before logout
1780	if ($pl->ob->{_link_pos}) {
1781	cf::sync_job {
1782	$pl->ob->leave_link
1783	};
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)	1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1808		1990
		1991	Moves the player to the given map-path and coordinates by first freezing
		1992	her, loading and preparing them map, calling the provided $check callback
		1993	that has to return the map if sucecssful, and then unfreezes the player on
		1994	the new (success) or old (failed) map position.
		1995
1809	=cut	1996	=cut
		1997
		1998	our $GOTOGEN;
1810		1999
1811	sub cf::object::player::goto {	2000	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2001	my ($self, $path, $x, $y, $check) = @_;
1813		2002
1814	$path = new cf::path $path;	2003	# do generation counting so two concurrent goto's will be executed in-order
		2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2005
1816	$self->enter_link;	2006	$self->enter_link;
1817		2007
1818	(async {	2008	(async {
		2009	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	2010	my $map = cf::map::find $path;
		2011
		2012	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2013	$map = $map->customise_for ($self);
1821		2014	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2015	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2017	}
1826		2018
		2019	$map
		2020	};
		2021
		2022	if ($@) {
		2023	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2024	LOG llevError | logBacktrace, Carp::longmess $@;
		2025	}
		2026
		2027	if ($gen == $self->{_goto_generation}) {
		2028	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2029	$self->leave_link ($map, $x, $y);
		2030	}
1828	})->prio (1);	2031	})->prio (1);
1829	}	2032	}
1830		2033
1831	=item $player_object->enter_exit ($exit_object)	2034	=item $player_object->enter_exit ($exit_object)
1832		2035
…		…
1834		2037
1835	sub parse_random_map_params {	2038	sub parse_random_map_params {
1836	my ($spec) = @_;	2039	my ($spec) = @_;
1837		2040
1838	my $rmp = { # defaults	2041	my $rmp = { # defaults
1839	xsize => 10,	2042	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2043	ysize => (cf::rndm 15, 40),
		2044	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2045	#layout => string,
1841	};	2046	};
1842		2047
1843	for (split /\n/, $spec) {	2048	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2049	my ($k, $v) = split /\s+/, $_, 2;
1845		2050
…		…
1849	$rmp	2054	$rmp
1850	}	2055	}
1851		2056
1852	sub prepare_random_map {	2057	sub prepare_random_map {
1853	my ($exit) = @_;	2058	my ($exit) = @_;
		2059
		2060	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		2061
1855	# all this does is basically replace the /! path by	2062	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	2063	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	2064	# that depends on the exit object
1858		2065
1859	my $rmp = parse_random_map_params $exit->msg;	2066	my $rmp = parse_random_map_params $exit->msg;
1860		2067
1861	if ($exit->map) {	2068	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2069	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2070	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2071	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2072	$rmp->{origin_y} = $exit->y;
1866	}	2073	}
1867		2074
1868	$rmp->{random_seed} ||= $exit->random_seed;	2075	$rmp->{random_seed} ||= $exit->random_seed;
1869		2076
1870	my $data = cf::to_json $rmp;	2077	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	2078	my $md5 = Digest::MD5::md5_hex $data;
		2079	my $meta = "$RANDOMDIR/$md5.meta";
1872		2080
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2082	aio_write $fh, 0, (length $data), $data, 0;
		2083	undef $fh;
		2084	aio_rename "$meta~", $meta;
1875		2085
1876	$exit->slaying ("?random/$md5");	2086	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2087	$exit->msg (undef);
1878	}	2088	}
1879	}	2089	}
1880		2090
1881	sub cf::object::player::enter_exit {	2091	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2092	my ($self, $exit) = @_;
1883		2093
1884	return unless $self->type == cf::PLAYER;	2094	return unless $self->type == cf::PLAYER;
		2095
		2096	if ($exit->slaying eq "/!") {
		2097	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2098	# the problem is that $exit might not survive long enough
		2099	# so it needs to be done right now, right here
		2100	cf::sync_job { prepare_random_map $exit };
		2101	}
		2102
		2103	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2104	my $hp = $exit->stats->hp;
		2105	my $sp = $exit->stats->sp;
1885		2106
1886	$self->enter_link;	2107	$self->enter_link;
1887		2108
1888	(async {	2109	(async {
1889	$self->deactivate_recursive; # just to be sure	2110	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2111	unless (eval {
1891	prepare_random_map $exit	2112	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		2113
1897	1;	2114	1;
1898	}) {	2115	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2116	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	2117	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2118	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2119	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2120
1904	warn "ERROR in enter_exit: $@";	2121	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2122	$self->leave_link;
1906	}	2123	}
1907	})->prio (1);	2124	})->prio (1);
…		…
1920		2137
1921	sub cf::client::send_drawinfo {	2138	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2139	my ($self, $text, $flags) = @_;
1923		2140
1924	utf8::encode $text;	2141	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2143	}
1927		2144
		2145	=item $client->ext_event ($type, %msg)
		2146
		2147	Sends an exti event to the client.
		2148
		2149	=cut
		2150
		2151	sub cf::client::ext_event($$%) {
		2152	my ($self, $type, %msg) = @_;
		2153
		2154	$msg{msgtype} = "event_$type";
		2155	$self->send_packet ("ext " . cf::to_json \%msg);
		2156	}
1928		2157
1929	=item $success = $client->query ($flags, "text", \&cb)	2158	=item $success = $client->query ($flags, "text", \&cb)
1930		2159
1931	Queues a query to the client, calling the given callback with	2160	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1961	# get handled first	2190	# get handled first
1962	my $queue = delete $ns->{query_queue}	2191	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2192	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2193
1965	(shift @$queue)->[1]->($msg);	2194	(shift @$queue)->[1]->($msg);
		2195	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2196
1967	push @{ $ns->{query_queue} }, @$queue;	2197	push @{ $ns->{query_queue} }, @$queue;
1968		2198
1969	if (@{ $ns->{query_queue} } == @$queue) {	2199	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2200	if (@$queue) {
…		…
2028		2258
2029	# here we export the classes and methods available to script code	2259	# here we export the classes and methods available to script code
2030		2260
2031	=pod	2261	=pod
2032		2262
2033	The following fucntions and emthods are available within a safe environment:	2263	The following functions and methods are available within a safe environment:
2034		2264
2035	cf::object contr pay_amount pay_player map	2265	cf::object contr pay_amount pay_player map
2036	cf::object::player player	2266	cf::object::player player
2037	cf::player peaceful	2267	cf::player peaceful
2038	cf::map trigger	2268	cf::map trigger
…		…
2123	#############################################################################	2353	#############################################################################
2124		2354
2125	=head2 EXTENSION DATABASE SUPPORT	2355	=head2 EXTENSION DATABASE SUPPORT
2126		2356
2127	Crossfire maintains a very simple database for extension use. It can	2357	Crossfire maintains a very simple database for extension use. It can
2128	currently store anything that can be serialised using Storable, which	2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2129	excludes objects.	2359	convert to/from binary).
2130		2360
2131	The parameter C<$family> should best start with the name of the extension	2361	The parameter C<$family> should best start with the name of the extension
2132	using it, it should be unique.	2362	using it, it should be unique.
2133		2363
2134	=over 4	2364	=over 4
2135		2365
2136	=item $hashref = cf::db_get $family
2137
2138	Return a hashref for use by the extension C<$family>, which can be
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141
2142	=item $value = cf::db_get $family => $key	2366	=item $value = cf::db_get $family => $key
2143		2367
2144	Returns a single value from the database	2368	Returns a single value from the database.
2145
2146	=item cf::db_put $family => $hashref
2147
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150		2369
2151	=item cf::db_put $family => $key => $value	2370	=item cf::db_put $family => $key => $value
2152		2371
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you	2372	Stores the given C<$value> in the family.
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163		2373
2164	=cut	2374	=cut
2165		2375
2166	our $DB;	2376	our $DB;
2167		2377
2168	{	2378	sub db_init {
2169	my $path = cf::localdir . "/database.pst";	2379	unless ($DB) {
		2380	$DB = BDB::db_create $DB_ENV;
2170		2381
2171	sub db_load() {	2382	cf::sync_job {
2172	$DB = stat $path ? Storable::retrieve $path : { };	2383	eval {
2173	}	2384	$DB->set_flags (BDB::CHKSUM);
2174		2385
2175	my $pid;	2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2176		2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2177	sub db_save() {	2388	cf::cleanup "db_open(db): $!" if $!;
2178	waitpid $pid, 0 if $pid;	2389	};
2179	if (0 == ($pid = fork)) {	2390	cf::cleanup "db_open(db): $@" if $@;
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}	2391	};
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	2392	}
		2393	}
2197		2394
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}
2202
2203	sub db_get($;$) {	2395	sub db_get($$) {
2204	@_ >= 2	2396	my $key = "$_[0]/$_[1]";
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208		2397
		2398	cf::sync_job {
		2399	BDB::db_get $DB, undef, $key, my $data;
		2400
		2401	$! ? ()
		2402	: $data
		2403	}
		2404	}
		2405
2209	sub db_put($$;$) {	2406	sub db_put($$$) {
2210	if (@_ >= 3) {	2407	BDB::dbreq_pri 4;
2211	$DB->{$_[0]}{$_[1]} = $_[2];	2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2212	} else {	2409	}
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217		2410
2218	cf::global->attach (	2411	=item cf::cache $id => [$paths...], $processversion => $process
2219	prio => 10000,	2412
2220	on_cleanup => sub {	2413	Generic caching function that returns the value of the resource $id,
2221	db_sync;	2414	caching and regenerating as required.
		2415
		2416	This function can block.
		2417
		2418	=cut
		2419
		2420	sub cache {
		2421	my ($id, $src, $processversion, $process) = @_;
		2422
		2423	my $meta =
		2424	join "\x00",
		2425	$processversion,
		2426	map {
		2427	aio_stat $_
		2428	and Carp::croak "$_: $!";
		2429
		2430	($_, (stat _)[7,9])
		2431	} @$src;
		2432
		2433	my $dbmeta = db_get cache => "$id/meta";
		2434	if ($dbmeta ne $meta) {
		2435	# changed, we may need to process
		2436
		2437	my @data;
		2438	my $md5;
		2439
		2440	for (0 .. $#$src) {
		2441	0 <= aio_load $src->[$_], $data[$_]
		2442	or Carp::croak "$src->[$_]: $!";
2222	},	2443	}
2223	);	2444
		2445	# if processing is expensive, check
		2446	# checksum first
		2447	if (1) {
		2448	$md5 =
		2449	join "\x00",
		2450	$processversion,
		2451	map {
		2452	Coro::cede;
		2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2454	} 0.. $#$src;
		2455
		2456
		2457	my $dbmd5 = db_get cache => "$id/md5";
		2458	if ($dbmd5 eq $md5) {
		2459	db_put cache => "$id/meta", $meta;
		2460
		2461	return db_get cache => "$id/data";
		2462	}
		2463	}
		2464
		2465	my $t1 = Time::HiRes::time;
		2466	my $data = $process->(\@data);
		2467	my $t2 = Time::HiRes::time;
		2468
		2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2470
		2471	db_put cache => "$id/data", $data;
		2472	db_put cache => "$id/md5" , $md5;
		2473	db_put cache => "$id/meta", $meta;
		2474
		2475	return $data;
		2476	}
		2477
		2478	db_get cache => "$id/data"
		2479	}
		2480
		2481	=item fork_call { }, $args
		2482
		2483	Executes the given code block with the given arguments in a seperate
		2484	process, returning the results. Everything must be serialisable with
		2485	Coro::Storable. May, of course, block. Note that the executed sub may
		2486	never block itself or use any form of Event handling.
		2487
		2488	=cut
		2489
		2490	sub fork_call(&@) {
		2491	my ($cb, @args) = @_;
		2492
		2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2494	# or die "socketpair: $!";
		2495	pipe my $fh1, my $fh2
		2496	or die "pipe: $!";
		2497
		2498	if (my $pid = fork) {
		2499	close $fh2;
		2500
		2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2502	$res = Coro::Storable::thaw $res;
		2503
		2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2505
		2506	die $$res unless "ARRAY" eq ref $res;
		2507
		2508	return wantarray ? @$res : $res->[-1];
		2509	} else {
		2510	reset_signals;
		2511	local $SIG{__WARN__};
		2512	local $SIG{__DIE__};
		2513	eval {
		2514	close $fh1;
		2515
		2516	my @res = eval { $cb->(@args) };
		2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2518	};
		2519
		2520	warn $@ if $@;
		2521	_exit 0;
		2522	}
2224	}	2523	}
2225		2524
2226	#############################################################################	2525	#############################################################################
2227	# the server's main()	2526	# the server's init and main functions
		2527
		2528	sub load_facedata($) {
		2529	my ($path) = @_;
		2530
		2531	warn "loading facedata from $path\n";
		2532
		2533	my $facedata;
		2534	0 < aio_load $path, $facedata
		2535	or die "$path: $!";
		2536
		2537	$facedata = Coro::Storable::thaw $facedata;
		2538
		2539	$facedata->{version} == 2
		2540	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2541
		2542	{
		2543	my $faces = $facedata->{faceinfo};
		2544
		2545	while (my ($face, $info) = each %$faces) {
		2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2550	Coro::cede;
		2551	}
		2552
		2553	while (my ($face, $info) = each %$faces) {
		2554	next unless $info->{smooth};
		2555	my $idx = cf::face::find $face
		2556	or next;
		2557	if (my $smooth = cf::face::find $info->{smooth}) {
		2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2559	} else {
		2560	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2561	}
		2562	Coro::cede;
		2563	}
		2564	}
		2565
		2566	{
		2567	my $anims = $facedata->{animinfo};
		2568
		2569	while (my ($anim, $info) = each %$anims) {
		2570	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2571	Coro::cede;
		2572	}
		2573
		2574	cf::anim::invalidate_all; # d'oh
		2575	}
		2576
		2577	1
		2578	}
		2579
		2580	sub reload_regions {
		2581	load_resource_file "$MAPDIR/regions"
		2582	or die "unable to load regions file\n";
		2583	}
		2584
		2585	sub reload_facedata {
		2586	load_facedata "$DATADIR/facedata"
		2587	or die "unable to load facedata\n";
		2588	}
		2589
		2590	sub reload_archetypes {
		2591	load_resource_file "$DATADIR/archetypes"
		2592	or die "unable to load archetypes\n";
		2593	}
		2594
		2595	sub reload_treasures {
		2596	load_resource_file "$DATADIR/treasures"
		2597	or die "unable to load treasurelists\n";
		2598	}
		2599
		2600	sub reload_resources {
		2601	warn "reloading resource files...\n";
		2602
		2603	reload_regions;
		2604	reload_facedata;
		2605	#reload_archetypes;#d#
		2606	reload_archetypes;
		2607	reload_treasures;
		2608
		2609	warn "finished reloading resource files\n";
		2610	}
		2611
		2612	sub init {
		2613	reload_resources;
		2614	}
2228		2615
2229	sub cfg_load {	2616	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2617	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	2618	or return;
2232		2619
2233	local $/;	2620	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	2621	*CFG = YAML::Syck::Load <$fh>;
2235		2622
…		…
2249		2636
2250	sub main {	2637	sub main {
2251	# we must not ever block the main coroutine	2638	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2639	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2640	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2641	(async {
2254	async { Event::one_event };	2642	Event::one_event;
		2643	})->prio (Coro::PRIO_MAX);
2255	};	2644	};
2256		2645
2257	cfg_load;	2646	cfg_load;
2258	db_load;	2647	db_init;
2259	load_extensions;	2648	load_extensions;
		2649
		2650	$TICK_WATCHER->start;
2260	Event::loop;	2651	Event::loop;
2261	}	2652	}
2262		2653
2263	#############################################################################	2654	#############################################################################
2264	# initialisation and cleanup	2655	# initialisation and cleanup
2265		2656
2266	# install some emergency cleanup handlers	2657	# install some emergency cleanup handlers
2267	BEGIN {	2658	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2659	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2660	Event->signal (
		2661	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2662	data => WF_AUTOCANCEL,
2271	signal => $signal,	2663	signal => $signal,
		2664	prio => 0,
2272	cb => sub {	2665	cb => sub {
2273	cf::cleanup "SIG$signal";	2666	cf::cleanup "SIG$signal";
2274	},	2667	},
2275	);	2668	);
2276	}	2669	}
2277	}	2670	}
…		…
2282	warn "enter emergency perl save\n";	2675	warn "enter emergency perl save\n";
2283		2676
2284	cf::sync_job {	2677	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	2678	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	2679	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	2680	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	2681	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	2682	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	2683	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	2684	$pl->valid or next;
2292	$pl->save;	2685	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	2691	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	2692	$map->valid or next;
2300	$map->save;	2693	$map->save;
2301	}	2694	}
2302	warn "end emergency map save\n";	2695	warn "end emergency map save\n";
		2696
		2697	warn "begin emergency database checkpoint\n";
		2698	BDB::db_env_txn_checkpoint $DB_ENV;
		2699	warn "end emergency database checkpoint\n";
2303	};	2700	};
2304		2701
2305	warn "leave emergency perl save\n";	2702	warn "leave emergency perl save\n";
2306	}	2703	}
2307		2704
		2705	sub post_cleanup {
		2706	my ($make_core) = @_;
		2707
		2708	warn Carp::longmess "post_cleanup backtrace"
		2709	if $make_core;
		2710	}
		2711
2308	sub reload() {	2712	sub do_reload_perl() {
2309	# can/must only be called in main	2713	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	2714	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	2715	warn "can only reload from main coroutine";
2312	return;	2716	return;
2313	}	2717	}
2314		2718
2315	warn "reloading...";	2719	warn "reloading...";
2316		2720
2317	warn "freezing server";	2721	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	2722
		2723	cf::sync_job {
		2724	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2725	cf::emergency_save;
		2726	cf::write_runtime; # external watchdog should not bark
2320		2727
2321	warn "sync database to disk";	2728	warn "syncing database to disk";
2322	cf::db_sync;	2729	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		2730
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	2731	# if anything goes wrong in here, we should simply crash as we already saved
2327		2732
2328	warn "cancel all watchers";	2733	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	2734	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	2735	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	2736	}
2332		2737
		2738	warn "flushing outstanding aio requests";
		2739	for (;;) {
		2740	BDB::flush;
		2741	IO::AIO::flush;
		2742	Coro::cede;
		2743	last unless IO::AIO::nreqs || BDB::nreqs;
		2744	warn "iterate...";
		2745	}
		2746
		2747	++$RELOAD;
		2748
2333	warn "cancel all extension coros";	2749	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	2750	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	2751	%EXT_CORO = ();
2336		2752
2337	warn "remove commands";	2753	warn "removing commands";
2338	%COMMAND = ();	2754	%COMMAND = ();
2339		2755
2340	warn "remove ext commands";	2756	warn "removing ext commands";
2341	%EXTCMD = ();	2757	%EXTCMD = ();
2342		2758
2343	warn "unload/nuke all extensions";	2759	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	2760	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	2761	warn "... unloading $pkg";
2346		2762
2347	if (my $cb = $pkg->can ("unload")) {	2763	if (my $cb = $pkg->can ("unload")) {
2348	eval {	2764	eval {
…		…
2353		2769
2354	warn "... nuking $pkg";	2770	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	2771	Symbol::delete_package $pkg;
2356	}	2772	}
2357		2773
2358	warn "unload all perl modules loaded from $LIBDIR";	2774	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	2775	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2776	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		2777
2362	warn "removing <$k>";	2778	warn "... unloading $k";
2363	delete $INC{$k};	2779	delete $INC{$k};
2364		2780
2365	$k =~ s/\.pm$//;	2781	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	2782	$k =~ s/\//::/g;
2367		2783
…		…
2370	}	2786	}
2371		2787
2372	Symbol::delete_package $k;	2788	Symbol::delete_package $k;
2373	}	2789	}
2374		2790
2375	warn "get rid of safe::, as good as possible";	2791	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	2792	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2793	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		2794
2379	warn "unload cf.pm \"a bit\"";	2795	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	2796	delete $INC{"cf.pm"};
		2797	delete $INC{"cf/pod.pm"};
2381		2798
2382	# don't, removes xs symbols, too,	2799	# don't, removes xs symbols, too,
2383	# and global variables created in xs	2800	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	2801	#Symbol::delete_package __PACKAGE__;
2385		2802
		2803	warn "unload completed, starting to reload now";
		2804
2386	warn "reloading cf.pm";	2805	warn "reloading cf.pm";
2387	require cf;	2806	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		2808
2390	warn "load config and database again";	2809	warn "loading config and database again";
2391	cf::cfg_load;	2810	cf::cfg_load;
2392	cf::db_load;
2393		2811
2394	warn "load extensions";	2812	warn "loading extensions";
2395	cf::load_extensions;	2813	cf::load_extensions;
2396		2814
2397	warn "reattach attachments to objects/players";	2815	warn "reattaching attachments to objects/players";
2398	_global_reattach;	2816	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	2817	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	2818	reattach $_ for values %MAP;
2401	};	2819	warn "reattaching attachments to players";
		2820	reattach $_ for values %PLAYER;
2402		2821
2403	if ($@) {	2822	warn "leaving sync_job";
		2823
		2824	1
		2825	} or do {
2404	warn $@;	2826	warn $@;
2405	warn "error while reloading, exiting.";	2827	warn "error while reloading, exiting.";
2406	exit 1;	2828	exit 1;
2407	}	2829	};
2408		2830
2409	warn "reloaded";	2831	warn "reloaded";
2410	};	2832	};
2411		2833
2412	#############################################################################	2834	our $RELOAD_WATCHER; # used only during reload
2413		2835
2414	unless ($LINK_MAP) {	2836	sub reload_perl() {
2415	$LINK_MAP = cf::map::new;	2837	# doing reload synchronously and two reloads happen back-to-back,
		2838	# coro crashes during coro_state_free->destroy here.
2416		2839
2417	$LINK_MAP->width (41);	2840	$RELOAD_WATCHER ||= Event->timer (
2418	$LINK_MAP->height (41);	2841	reentrant => 0,
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,	2842	after => 0,
		2843	data => WF_AUTOCANCEL,
2427	cb => sub {	2844	cb => sub {
2428	$_[0]->w->cancel;	2845	do_reload_perl;
2429		2846	undef $RELOAD_WATCHER;
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});	2847	},
2448		2848	);
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	2849	}
2454		2850
2455	register_command "reload" => sub {	2851	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	2852	my ($who, $arg) = @_;
2457		2853
2458	if ($who->flag (FLAG_WIZ)) {	2854	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	2855	$who->message ("reloading server.");
		2856	async { reload_perl };
2462	}	2857	}
2463	};	2858	};
2464		2859
2465	unshift @INC, $LIBDIR;	2860	unshift @INC, $LIBDIR;
2466		2861
		2862	my $bug_warning = 0;
		2863
		2864	our @WAIT_FOR_TICK;
		2865	our @WAIT_FOR_TICK_BEGIN;
		2866
		2867	sub wait_for_tick {
		2868	return unless $TICK_WATCHER->is_active;
		2869	return if $Coro::current == $Coro::main;
		2870
		2871	my $signal = new Coro::Signal;
		2872	push @WAIT_FOR_TICK, $signal;
		2873	$signal->wait;
		2874	}
		2875
		2876	sub wait_for_tick_begin {
		2877	return unless $TICK_WATCHER->is_active;
		2878	return if $Coro::current == $Coro::main;
		2879
		2880	my $signal = new Coro::Signal;
		2881	push @WAIT_FOR_TICK_BEGIN, $signal;
		2882	$signal->wait;
		2883	}
		2884
		2885	my $min = 1e6;#d#
		2886	my $avg = 10;
2467	$TICK_WATCHER = Event->timer (	2887	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	2888	reentrant => 0,
		2889	parked => 1,
2469	prio => 0,	2890	prio => 0,
2470	at => $NEXT_TICK || $TICK,	2891	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	2892	data => WF_AUTOCANCEL,
2472	cb => sub {	2893	cb => sub {
		2894	if ($Coro::current != $Coro::main) {
		2895	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2896	unless ++$bug_warning > 10;
		2897	return;
		2898	}
		2899
2473	$NOW = Event::time;	2900	$NOW = $tick_start = Event::time;
2474		2901
2475	cf::server_tick; # one server iteration	2902	cf::server_tick; # one server iteration
		2903
		2904	0 && sync_job {#d#
		2905	for(1..10) {
		2906	my $t = Event::time;
		2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2908	or die;
		2909
		2910	$map->width (50);
		2911	$map->height (50);
		2912	$map->alloc;
		2913	$map->_load_objects ("/tmp/x.map", 1);
		2914	my $t = Event::time - $t;
		2915
		2916	#next unless $t < 0.0013;#d#
		2917	if ($t < $min) {
		2918	$min = $t;
		2919	}
		2920	$avg = $avg * 0.99 + $t * 0.01;
		2921	}
		2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2923	exit 0;
		2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2925	};
		2926
2476	$RUNTIME += $TICK;	2927	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	2928	$NEXT_TICK += $TICK;
2478		2929
2479	$WAIT_FOR_TICK->broadcast;	2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2932	Coro::async_pool {
		2933	write_runtime
		2934	or warn "ERROR: unable to write runtime file: $!";
		2935	};
		2936	}
		2937
		2938	# my $AFTER = Event::time;
		2939	# warn $AFTER - $NOW;#d#
		2940
		2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2942	$sig->send;
		2943	}
		2944	while (my $sig = shift @WAIT_FOR_TICK) {
		2945	$sig->send;
		2946	}
		2947
		2948	$NOW = Event::time;
2481		2949
2482	# if we are delayed by four ticks or more, skip them all	2950	# if we are delayed by four ticks or more, skip them all
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2484		2952
2485	$TICK_WATCHER->at ($NEXT_TICK);	2953	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;	2954	$TICK_WATCHER->start;
		2955
		2956	$LOAD = ($NOW - $tick_start) / $TICK;
		2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2958
		2959	_post_tick;
		2960
		2961
2487	},	2962	},
2488	);	2963	);
2489		2964
		2965	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	2966	BDB::max_poll_time $TICK * 0.1;
2491		2967	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	2968	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	2969	fd => BDB::poll_fileno,
2494	poll => 'r',	2970	poll => 'r',
2495	prio => 5,	2971	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	2972	data => WF_AUTOCANCEL,
2502	after => 0,	2973	cb => \&BDB::poll_cb,
2503	interval => 10,	2974	);
2504	cb => sub {	2975	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	2976
2506	write_runtime	2977	BDB::set_sync_prepare {
2507	or warn "ERROR: unable to write runtime file: $!";	2978	my $status;
		2979	my $current = $Coro::current;
		2980	(
		2981	sub {
		2982	$status = $!;
		2983	$current->ready; undef $current;
		2984	},
		2985	sub {
		2986	Coro::schedule while defined $current;
		2987	$! = $status;
		2988	},
		2989	)
		2990	};
		2991
		2992	unless ($DB_ENV) {
		2993	$DB_ENV = BDB::db_env_create;
		2994
		2995	cf::sync_job {
		2996	eval {
		2997	BDB::db_env_open
		2998	$DB_ENV,
		2999	$BDBDIR,
		3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3002	0666;
		3003
		3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3005
		3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3007	$DB_ENV->set_lk_detect;
		3008	};
		3009
		3010	cf::cleanup "db_env_open(db): $@" if $@;
2508	})->();	3011	};
2509	},	3012	}
2510	);	3013	}
		3014
		3015	{
		3016	IO::AIO::min_parallel 8;
		3017
		3018	undef $Coro::AIO::WATCHER;
		3019	IO::AIO::max_poll_time $TICK * 0.1;
		3020	$AIO_POLL_WATCHER = Event->io (
		3021	reentrant => 0,
		3022	data => WF_AUTOCANCEL,
		3023	fd => IO::AIO::poll_fileno,
		3024	poll => 'r',
		3025	prio => 6,
		3026	cb => \&IO::AIO::poll_cb,
		3027	);
		3028	}
		3029
		3030	my $_log_backtrace;
		3031
		3032	sub _log_backtrace {
		3033	my ($msg, @addr) = @_;
		3034
		3035	$msg =~ s/\n//;
		3036
		3037	# limit the # of concurrent backtraces
		3038	if ($_log_backtrace < 2) {
		3039	++$_log_backtrace;
		3040	async {
		3041	my @bt = fork_call {
		3042	@addr = map { sprintf "%x", $_ } @addr;
		3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3045	or die "addr2line: $!";
		3046
		3047	my @funcs;
		3048	my @res = <$fh>;
		3049	chomp for @res;
		3050	while (@res) {
		3051	my ($func, $line) = splice @res, 0, 2, ();
		3052	push @funcs, "[$func] $line";
		3053	}
		3054
		3055	@funcs
		3056	};
		3057
		3058	LOG llevInfo, "[ABT] $msg\n";
		3059	LOG llevInfo, "[ABT] $_\n" for @bt;
		3060	--$_log_backtrace;
		3061	};
		3062	} else {
		3063	LOG llevInfo, "[ABT] $msg\n";
		3064	LOG llevInfo, "[ABT] [suppressed]\n";
		3065	}
		3066	}
		3067
		3068	# load additional modules
		3069	use cf::pod;
2511		3070
2512	END { cf::emergency_save }	3071	END { cf::emergency_save }
2513		3072
2514	1	3073	1
2515		3074

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