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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 1.272 by root, Sun Jun 3 15:32:50 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';
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	234	$d
189	} || "[unable to dump $_[0]: '$@']";	235	} || "[unable to dump $_[0]: '$@']";
190	}	236	}
191		237
192	use JSON::Syck (); # TODO# replace by JSON::PC once working	238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
193		239
194	=item $ref = cf::from_json $json	240	=item $ref = cf::from_json $json
195		241
196	Converts a JSON string into the corresponding perl data structure.	242	Converts a JSON string into the corresponding perl data structure.
197		243
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	244	=item $json = cf::to_json $ref
206		245
207	Converts a perl data structure into its JSON representation.	246	Converts a perl data structure into its JSON representation.
208
209	=cut
210
211	sub to_json($) {
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
213	JSON::Syck::Dump $_[0]
214	}
215		247
216	=item cf::lock_wait $string	248	=item cf::lock_wait $string
217		249
218	Wait until the given lock is available. See cf::lock_acquire.	250	Wait until the given lock is available. See cf::lock_acquire.
219		251
…		…
225	returned.	257	returned.
226		258
227	Lock names should begin with a unique identifier (for example, cf::map::find	259	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	260	uses map_find and cf::map::load uses map_load).
229		261
		262	=item $locked = cf::lock_active $string
		263
		264	Return true if the lock is currently active, i.e. somebody has locked it.
		265
230	=cut	266	=cut
231		267
232	our %LOCK;	268	our %LOCK;
233		269
234	sub lock_wait($) {	270	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	289	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	290	$_->ready for @{ delete $LOCK{$key} };
255	}	291	}
256	}	292	}
257		293
		294	sub lock_active($) {
		295	my ($key) = @_;
		296
		297	! ! $LOCK{$key}
		298	}
		299
258	sub freeze_mainloop {	300	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	301	return unless $TICK_WATCHER->is_active;
260		302
261	my $guard = Coro::guard { $TICK_WATCHER->start };	303	my $guard = Coro::guard {
		304	$TICK_WATCHER->start;
		305	};
262	$TICK_WATCHER->stop;	306	$TICK_WATCHER->stop;
263	$guard	307	$guard
264	}	308	}
265		309
266	=item cf::async { BLOCK }	310	=item cf::async { BLOCK }
…		…
288		332
289	sub sync_job(&) {	333	sub sync_job(&) {
290	my ($job) = @_;	334	my ($job) = @_;
291		335
292	if ($Coro::current == $Coro::main) {	336	if ($Coro::current == $Coro::main) {
		337	my $time = Event::time;
		338
293	# this is the main coro, too bad, we have to block	339	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	340	# till the operation succeeds, freezing the server :/
295		341
296	# TODO: use suspend/resume instead	342	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	343	# (but this is cancel-safe)
…		…
308		354
309	while ($busy) {	355	while ($busy) {
310	Coro::cede or Event::one_event;	356	Coro::cede or Event::one_event;
311	}	357	}
312		358
		359	$time = Event::time - $time;
		360
		361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		363
		364	$tick_start += $time; # do not account sync jobs to server load
		365
313	wantarray ? @res : $res[0]	366	wantarray ? @res : $res[0]
314	} else {	367	} else {
315	# we are in another coroutine, how wonderful, everything just works	368	# we are in another coroutine, how wonderful, everything just works
316		369
317	$job->()	370	$job->()
…		…
337		390
338	$coro	391	$coro
339	}	392	}
340		393
341	sub write_runtime {	394	sub write_runtime {
342	my $runtime = cf::localdir . "/runtime";	395	my $runtime = "$LOCALDIR/runtime";
		396
		397	# first touch the runtime file to show we are still running:
		398	# the fsync below can take a very very long time.
		399
		400	IO::AIO::aio_utime $runtime, undef, undef;
		401
		402	my $guard = cf::lock_acquire "write_runtime";
343		403
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345	or return;	405	or return;
346		406
		407	my $value = $cf::RUNTIME + 90 + 10;
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	408	# 10 is the runtime save interval, for a monotonic clock
		409	# 60 allows for the watchdog to kill the server.
		410
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0	411	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;	412	and return;
350		413
		414	# always fsync - this file is important
351	aio_fsync $fh	415	aio_fsync $fh
352	and return;	416	and return;
353		417
		418	# touch it again to show we are up-to-date
		419	aio_utime $fh, undef, undef;
		420
354	close $fh	421	close $fh
355	or return;	422	or return;
356		423
357	aio_rename "$runtime~", $runtime	424	aio_rename "$runtime~", $runtime
358	and return;	425	and return;
359		426
		427	warn "runtime file written.\n";#d#
		428
360	1	429	1
361	}	430	}
362		431
		432	=item cf::datalog type => key => value, ...
		433
		434	Log a datalog packet of the given type with the given key-value pairs.
		435
		436	=cut
		437
		438	sub datalog($@) {
		439	my ($type, %kv) = @_;
		440	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		441	}
		442
363	=back	443	=back
364		444
365	=cut	445	=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		446
531	#############################################################################	447	#############################################################################
532		448
533	=head2 ATTACHABLE OBJECTS	449	=head2 ATTACHABLE OBJECTS
534		450
…		…
660	our @CB_TYPE = (); # registry for type (cf-object class) based events	576	our @CB_TYPE = (); # registry for type (cf-object class) based events
661	our @CB_MAP = ();	577	our @CB_MAP = ();
662		578
663	my %attachment;	579	my %attachment;
664		580
		581	sub cf::attachable::thawer_merge {
		582	# simply override everything except _meta
		583	local $_[0]{_meta};
		584	%{$_[0]} = %{$_[1]};
		585	}
		586
665	sub _attach_cb($$$$) {	587	sub _attach_cb($$$$) {
666	my ($registry, $event, $prio, $cb) = @_;	588	my ($registry, $event, $prio, $cb) = @_;
667		589
668	use sort 'stable';	590	use sort 'stable';
669		591
…		…
703	$registry = $CB_TYPE[$object_type] ||= [];	625	$registry = $CB_TYPE[$object_type] ||= [];
704		626
705	} elsif ($type eq "subtype") {	627	} elsif ($type eq "subtype") {
706	defined $object_type or Carp::croak "subtype specified without type";	628	defined $object_type or Carp::croak "subtype specified without type";
707	my $object_subtype = shift @arg;	629	my $object_subtype = shift @arg;
708	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	630	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
709		631
710	} elsif ($type eq "package") {	632	} elsif ($type eq "package") {
711	my $pkg = shift @arg;	633	my $pkg = shift @arg;
712		634
713	while (my ($name, $id) = each %cb_id) {	635	while (my ($name, $id) = each %cb_id) {
…		…
754	if (ref $_[0]) {	676	if (ref $_[0]) {
755	_object_attach @_;	677	_object_attach @_;
756	} else {	678	} else {
757	_attach shift->_attach_registry, @_;	679	_attach shift->_attach_registry, @_;
758	}	680	}
		681	_recalc_want;
759	};	682	};
760		683
761	# all those should be optimised	684	# all those should be optimised
762	sub cf::attachable::detach {	685	sub cf::attachable::detach {
763	my ($obj, $name) = @_;	686	my ($obj, $name) = @_;
…		…
766	delete $obj->{_attachment}{$name};	689	delete $obj->{_attachment}{$name};
767	reattach ($obj);	690	reattach ($obj);
768	} else {	691	} else {
769	Carp::croak "cannot, currently, detach class attachments";	692	Carp::croak "cannot, currently, detach class attachments";
770	}	693	}
		694	_recalc_want;
771	};	695	};
772		696
773	sub cf::attachable::attached {	697	sub cf::attachable::attached {
774	my ($obj, $name) = @_;	698	my ($obj, $name) = @_;
775		699
…		…
840	# object support	764	# object support
841		765
842	sub reattach {	766	sub reattach {
843	# basically do the same as instantiate, without calling instantiate	767	# basically do the same as instantiate, without calling instantiate
844	my ($obj) = @_;	768	my ($obj) = @_;
		769
		770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
845		771
846	my $registry = $obj->registry;	772	my $registry = $obj->registry;
847		773
848	@$registry = ();	774	@$registry = ();
849		775
…		…
896	$filename, length $$rdata, scalar @$objs;	822	$filename, length $$rdata, scalar @$objs;
897		823
898	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
899	chmod SAVE_MODE, $fh;	825	chmod SAVE_MODE, $fh;
900	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
901	aio_fsync $fh;	827	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	828	close $fh;
903		829
904	if (@$objs) {	830	if (@$objs) {
905	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
906	chmod SAVE_MODE, $fh;	832	chmod SAVE_MODE, $fh;
907	my $data = Storable::nfreeze { version => 1, objs => $objs };	833	my $data = Storable::nfreeze { version => 1, objs => $objs };
908	aio_write $fh, 0, (length $data), $data, 0;	834	aio_write $fh, 0, (length $data), $data, 0;
909	aio_fsync $fh;	835	aio_fsync $fh if $cf::USE_FSYNC;
910	close $fh;	836	close $fh;
911	aio_rename "$filename.pst~", "$filename.pst";	837	aio_rename "$filename.pst~", "$filename.pst";
912	}	838	}
913	} else {	839	} else {
914	aio_unlink "$filename.pst";	840	aio_unlink "$filename.pst";
…		…
1036	"package $pkg; use strict; use utf8;\n"	962	"package $pkg; use strict; use utf8;\n"
1037	. "#line 1 \"$path\"\n{\n"	963	. "#line 1 \"$path\"\n{\n"
1038	. (do { local $/; <$fh> })	964	. (do { local $/; <$fh> })
1039	. "\n};\n1";	965	. "\n};\n1";
1040		966
1041	eval $source	967	unless (eval $source) {
1042	or die $@ ? "$path: $@\n"	968	my $msg = $@ ? "$path: $@\n"
1043	: "extension disabled.\n";	969	: "extension disabled.\n";
		970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		971	warn $@;
		972	warn "mandatory extension failed to load, exiting.\n";
		973	exit 1;
		974	}
		975	die $@;
		976	}
1044		977
1045	push @EXTS, $pkg;	978	push @EXTS, $pkg;
1046	}	979	}
1047		980
1048	sub load_extensions {	981	sub load_extensions {
…		…
1054	} or warn "$ext not loaded: $@";	987	} or warn "$ext not loaded: $@";
1055	}	988	}
1056	}	989	}
1057		990
1058	#############################################################################	991	#############################################################################
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		992
1074	=head2 CORE EXTENSIONS	993	=head2 CORE EXTENSIONS
1075		994
1076	Functions and methods that extend core crossfire objects.	995	Functions and methods that extend core crossfire objects.
1077		996
…		…
1090	Returns the given player object, loading it if necessary (might block).	1009	Returns the given player object, loading it if necessary (might block).
1091		1010
1092	=cut	1011	=cut
1093		1012
1094	sub playerdir($) {	1013	sub playerdir($) {
1095	cf::localdir	1014	"$PLAYERDIR/"
1096	. "/"
1097	. cf::playerdir
1098	. "/"
1099	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1015	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1100	}	1016	}
1101		1017
1102	sub path($) {	1018	sub path($) {
1103	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1019	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1104		1020
1105	(playerdir $login) . "/$login.pl"	1021	(playerdir $login) . "/playerdata"
1106	}	1022	}
1107		1023
1108	sub find_active($) {	1024	sub find_active($) {
1109	$cf::PLAYER{$_[0]}	1025	$cf::PLAYER{$_[0]}
1110	and $cf::PLAYER{$_[0]}->active	1026	and $cf::PLAYER{$_[0]}->active
…		…
1113		1029
1114	sub exists($) {	1030	sub exists($) {
1115	my ($login) = @_;	1031	my ($login) = @_;
1116		1032
1117	$cf::PLAYER{$login}	1033	$cf::PLAYER{$login}
1118	or cf::sync_job { !aio_stat $login }	1034	or cf::sync_job { !aio_stat path $login }
1119	}	1035	}
1120		1036
1121	sub find($) {	1037	sub find($) {
1122	return $cf::PLAYER{$_[0]} || do {	1038	return $cf::PLAYER{$_[0]} || do {
1123	my $login = $_[0];	1039	my $login = $_[0];
1124		1040
1125	my $guard = cf::lock_acquire "user_find:$login";	1041	my $guard = cf::lock_acquire "user_find:$login";
1126		1042
1127	$cf::PLAYER{$_[0]} || do {	1043	$cf::PLAYER{$_[0]} || do {
		1044	# rename old playerfiles to new ones
		1045	#TODO: remove when no longer required
		1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1049	aio_unlink +(playerdir $login) . "/$login.pl";
		1050
1128	my $pl = load_pl path $login	1051	my $pl = load_pl path $login
1129	or return;	1052	or return;
1130	$cf::PLAYER{$login} = $pl	1053	$cf::PLAYER{$login} = $pl
1131	}	1054	}
1132	}	1055	}
…		…
1169		1092
1170	=cut	1093	=cut
1171		1094
1172	sub quit_character {	1095	sub quit_character {
1173	my ($pl) = @_;	1096	my ($pl) = @_;
		1097
		1098	my $name = $pl->ob->name;
1174		1099
1175	$pl->{deny_save} = 1;	1100	$pl->{deny_save} = 1;
1176	$pl->password ("*"); # this should lock out the player until we nuked the dir	1101	$pl->password ("*"); # this should lock out the player until we nuked the dir
1177		1102
1178	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1183	my $path = playerdir $pl;	1108	my $path = playerdir $pl;
1184	my $temp = "$path~$cf::RUNTIME~deleting~";	1109	my $temp = "$path~$cf::RUNTIME~deleting~";
1185	aio_rename $path, $temp;	1110	aio_rename $path, $temp;
1186	delete $cf::PLAYER{$pl->ob->name};	1111	delete $cf::PLAYER{$pl->ob->name};
1187	$pl->destroy;	1112	$pl->destroy;
		1113
		1114	my $prefix = qr<^~\Q$name\E/>;
		1115
		1116	# nuke player maps
		1117	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1118
1188	IO::AIO::aio_rmtree $temp;	1119	IO::AIO::aio_rmtree $temp;
		1120	}
		1121
		1122	=item $pl->kick
		1123
		1124	Kicks a player out of the game. This destroys the connection.
		1125
		1126	=cut
		1127
		1128	sub kick {
		1129	my ($pl, $kicker) = @_;
		1130
		1131	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1132	$pl->killer ("kicked");
		1133	$pl->ns->destroy;
1189	}	1134	}
1190		1135
1191	=item cf::player::list_logins	1136	=item cf::player::list_logins
1192		1137
1193	Returns am arrayref of all valid playernames in the system, can take a	1138	Returns am arrayref of all valid playernames in the system, can take a
1194	while and may block, so not sync_job-capable, ever.	1139	while and may block, so not sync_job-capable, ever.
1195		1140
1196	=cut	1141	=cut
1197		1142
1198	sub list_logins {	1143	sub list_logins {
1199	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1144	my $dirs = aio_readdir $PLAYERDIR
1200	or return [];	1145	or return [];
1201		1146
1202	my @logins;	1147	my @logins;
1203		1148
1204	for my $login (@$dirs) {	1149	for my $login (@$dirs) {
…		…
1213	\@logins	1158	\@logins
1214	}	1159	}
1215		1160
1216	=item $player->maps	1161	=item $player->maps
1217		1162
1218	Returns an arrayref of cf::path's of all maps that are private for this	1163	Returns an arrayref of map paths that are private for this
1219	player. May block.	1164	player. May block.
1220		1165
1221	=cut	1166	=cut
1222		1167
1223	sub maps($) {	1168	sub maps($) {
1224	my ($pl) = @_;	1169	my ($pl) = @_;
		1170
		1171	$pl = ref $pl ? $pl->ob->name : $pl;
1225		1172
1226	my $files = aio_readdir playerdir $pl	1173	my $files = aio_readdir playerdir $pl
1227	or return;	1174	or return;
1228		1175
1229	my @paths;	1176	my @paths;
…		…
1231	for (@$files) {	1178	for (@$files) {
1232	utf8::decode $_;	1179	utf8::decode $_;
1233	next if /\.(?:pl|pst)$/;	1180	next if /\.(?:pl|pst)$/;
1234	next unless /^$PATH_SEP/o;	1181	next unless /^$PATH_SEP/o;
1235		1182
1236	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1183	push @paths, cf::map::normalise "~$pl/$_";
1237	}	1184	}
1238		1185
1239	\@paths	1186	\@paths
1240	}	1187	}
1241		1188
1242	=item $player->ext_reply ($msgid, $msgtype, %msg)	1189	=item $player->ext_reply ($msgid, %msg)
1243		1190
1244	Sends an ext reply to the player.	1191	Sends an ext reply to the player.
1245		1192
1246	=cut	1193	=cut
1247		1194
1248	sub ext_reply($$$%) {	1195	sub ext_reply($$%) {
1249	my ($self, $id, %msg) = @_;	1196	my ($self, $id, %msg) = @_;
1250		1197
1251	$msg{msgid} = $id;	1198	$msg{msgid} = $id;
1252		1199
1253	$self->send ("ext " . cf::to_json \%msg);	1200	$self->send ("ext " . cf::to_json \%msg);
1254	}	1201	}
1255		1202
1256	package cf;	1203	=item $player->ext_event ($type, %msg)
		1204
		1205	Sends an ext event to the client.
		1206
		1207	=cut
		1208
		1209	sub ext_event($$%) {
		1210	my ($self, $type, %msg) = @_;
		1211
		1212	$self->ns->ext_event ($type, %msg);
		1213	}
		1214
		1215	=head3 cf::region
		1216
		1217	=over 4
		1218
		1219	=cut
		1220
		1221	package cf::region;
		1222
		1223	=item cf::region::find_by_path $path
		1224
		1225	Tries to decuce the probable region for a map knowing only its path.
		1226
		1227	=cut
		1228
		1229	sub find_by_path($) {
		1230	my ($path) = @_;
		1231
		1232	my ($match, $specificity);
		1233
		1234	for my $region (list) {
		1235	if ($region->match && $path =~ $region->match) {
		1236	($match, $specificity) = ($region, $region->specificity)
		1237	if $region->specificity > $specificity;
		1238	}
		1239	}
		1240
		1241	$match
		1242	}
1257		1243
1258	=back	1244	=back
1259
1260		1245
1261	=head3 cf::map	1246	=head3 cf::map
1262		1247
1263	=over 4	1248	=over 4
1264		1249
…		…
1267	package cf::map;	1252	package cf::map;
1268		1253
1269	use Fcntl;	1254	use Fcntl;
1270	use Coro::AIO;	1255	use Coro::AIO;
1271		1256
		1257	use overload
		1258	'""' => \&as_string,
		1259	fallback => 1;
		1260
1272	our $MAX_RESET = 3600;	1261	our $MAX_RESET = 3600;
1273	our $DEFAULT_RESET = 3000;	1262	our $DEFAULT_RESET = 3000;
1274		1263
1275	sub generate_random_map {	1264	sub generate_random_map {
1276	my ($path, $rmp) = @_;	1265	my ($self, $rmp) = @_;
1277
1278	# mit "rum" bekleckern, nicht	1266	# mit "rum" bekleckern, nicht
1279	cf::map::_create_random_map (	1267	$self->_create_random_map (
1280	$path,
1281	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1282	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1283	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1284	$rmp->{exit_on_final_map},	1271	$rmp->{exit_on_final_map},
1285	$rmp->{xsize}, $rmp->{ysize},	1272	$rmp->{xsize}, $rmp->{ysize},
…		…
1290	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1277	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1291	(cf::region::find $rmp->{region}), $rmp->{custom}	1278	(cf::region::find $rmp->{region}), $rmp->{custom}
1292	)	1279	)
1293	}	1280	}
1294		1281
		1282	=item cf::map->register ($regex, $prio)
		1283
		1284	Register a handler for the map path matching the given regex at the
		1285	givne priority (higher is better, built-in handlers have priority 0, the
		1286	default).
		1287
		1288	=cut
		1289
		1290	sub register {
		1291	my (undef, $regex, $prio) = @_;
		1292	my $pkg = caller;
		1293
		1294	no strict;
		1295	push @{"$pkg\::ISA"}, __PACKAGE__;
		1296
		1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1298	}
		1299
		1300	# also paths starting with '/'
		1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1302
		1303	sub thawer_merge {
		1304	my ($self, $merge) = @_;
		1305
		1306	# we have to keep some variables in memory intact
		1307	local $self->{path};
		1308	local $self->{load_path};
		1309	local $self->{deny_save};
		1310	local $self->{deny_reset};
		1311
		1312	$self->SUPER::thawer_merge ($merge);
		1313	}
		1314
		1315	sub normalise {
		1316	my ($path, $base) = @_;
		1317
		1318	$path = "$path"; # make sure its a string
		1319
		1320	$path =~ s/\.map$//;
		1321
		1322	# map plan:
		1323	#
		1324	# /! non-realised random map exit (special hack!)
		1325	# {... are special paths that are not being touched
		1326	# ?xxx/... are special absolute paths
		1327	# ?random/... random maps
		1328	# /... normal maps
		1329	# ~user/... per-player map of a specific user
		1330
		1331	$path =~ s/$PATH_SEP/\//go;
		1332
		1333	# treat it as relative path if it starts with
		1334	# something that looks reasonable
		1335	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1336	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1337
		1338	$base =~ s{[^/]+/?$}{};
		1339	$path = "$base/$path";
		1340	}
		1341
		1342	for ($path) {
		1343	redo if s{//}{/};
		1344	redo if s{/\.?/}{/};
		1345	redo if s{/[^/]+/\.\./}{/};
		1346	}
		1347
		1348	$path
		1349	}
		1350
		1351	sub new_from_path {
		1352	my (undef, $path, $base) = @_;
		1353
		1354	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1355
		1356	$path = normalise $path, $base;
		1357
		1358	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1359	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1360	my $self = bless cf::map::new, $pkg;
		1361	$self->{path} = $path; $self->path ($path);
		1362	$self->init; # pass $1 etc.
		1363	return $self;
		1364	}
		1365	}
		1366
		1367	Carp::carp "unable to resolve path '$path' (base '$base').";
		1368	()
		1369	}
		1370
		1371	sub init {
		1372	my ($self) = @_;
		1373
		1374	$self
		1375	}
		1376
		1377	sub as_string {
		1378	my ($self) = @_;
		1379
		1380	"$self->{path}"
		1381	}
		1382
		1383	# the displayed name, this is a one way mapping
		1384	sub visible_name {
		1385	&as_string
		1386	}
		1387
		1388	# the original (read-only) location
		1389	sub load_path {
		1390	my ($self) = @_;
		1391
		1392	"$MAPDIR/$self->{path}.map"
		1393	}
		1394
		1395	# the temporary/swap location
		1396	sub save_path {
		1397	my ($self) = @_;
		1398
		1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1400	"$TMPDIR/$path.map"
		1401	}
		1402
		1403	# the unique path, undef == no special unique path
		1404	sub uniq_path {
		1405	my ($self) = @_;
		1406
		1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1408	"$UNIQUEDIR/$path"
		1409	}
		1410
1295	# and all this just because we cannot iterate over	1411	# and all this just because we cannot iterate over
1296	# all maps in C++...	1412	# all maps in C++...
1297	sub change_all_map_light {	1413	sub change_all_map_light {
1298	my ($change) = @_;	1414	my ($change) = @_;
1299		1415
1300	$_->change_map_light ($change)	1416	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1417	for grep $_->outdoor, values %cf::MAP;
1302	}	1418	}
1303		1419
		1420	sub unlink_save {
		1421	my ($self) = @_;
		1422
		1423	utf8::encode (my $save = $self->save_path);
		1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1425	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1426	}
		1427
1304	sub load_map_header($) {	1428	sub load_header_from($) {
1305	my ($path) = @_;	1429	my ($self, $path) = @_;
1306		1430
1307	utf8::encode $path;	1431	utf8::encode $path;
1308	aio_open $path, O_RDONLY, 0	1432	#aio_open $path, O_RDONLY, 0
		1433	# or return;
		1434
		1435	$self->_load_header ($path)
1309	or return;	1436	or return;
1310		1437
1311	my $map = cf::map::new	1438	$self->{load_path} = $path;
		1439
		1440	1
		1441	}
		1442
		1443	sub load_header_orig {
		1444	my ($self) = @_;
		1445
		1446	$self->load_header_from ($self->load_path)
		1447	}
		1448
		1449	sub load_header_temp {
		1450	my ($self) = @_;
		1451
		1452	$self->load_header_from ($self->save_path)
		1453	}
		1454
		1455	sub prepare_temp {
		1456	my ($self) = @_;
		1457
		1458	$self->last_access ((delete $self->{last_access})
		1459	|| $cf::RUNTIME); #d#
		1460	# safety
		1461	$self->{instantiate_time} = $cf::RUNTIME
		1462	if $self->{instantiate_time} > $cf::RUNTIME;
		1463	}
		1464
		1465	sub prepare_orig {
		1466	my ($self) = @_;
		1467
		1468	$self->{load_original} = 1;
		1469	$self->{instantiate_time} = $cf::RUNTIME;
		1470	$self->last_access ($cf::RUNTIME);
		1471	$self->instantiate;
		1472	}
		1473
		1474	sub load_header {
		1475	my ($self) = @_;
		1476
		1477	if ($self->load_header_temp) {
		1478	$self->prepare_temp;
		1479	} else {
		1480	$self->load_header_orig
1312	or return;	1481	or return;
		1482	$self->prepare_orig;
		1483	}
1313		1484
1314	# for better error messages only, will be overwritten later	1485	$self->default_region (cf::region::find_by_path $self->{path})
1315	$map->path ($path);	1486	unless $self->default_region;
1316		1487
1317	$map->load_header ($path)	1488	1
1318	or return;
1319
1320	$map->{load_path} = $path;
1321
1322	$map
1323	}	1489	}
1324		1490
1325	sub find;	1491	sub find;
1326	sub find {	1492	sub find {
1327	my ($path, $origin) = @_;	1493	my ($path, $origin) = @_;
1328		1494
1329	#warn "find<$path,$origin>\n";#d#
1330
1331	$path = new cf::path $path, $origin && $origin->path;	1495	$path = normalise $path, $origin && $origin->path;
1332	my $key = $path->as_string;
1333		1496
1334	cf::lock_wait "map_find:$key";	1497	cf::lock_wait "map_find:$path";
1335		1498
1336	$cf::MAP{$key} || do {	1499	$cf::MAP{$path} || do {
1337	my $guard = cf::lock_acquire "map_find:$key";	1500	my $guard = cf::lock_acquire "map_find:$path";
1338		1501	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;	1502	or return;
1353		1503
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;	1504	$map->{last_save} = $cf::RUNTIME;
1366		1505
1367	Coro::cede;	1506	$map->load_header
		1507	or return;
1368		1508
1369	if ($map->should_reset) {	1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1510	# doing this can freeze the server in a sync job, obviously
		1511	#$cf::WAIT_FOR_TICK->wait;
1370	$map->reset;	1512	$map->reset;
1371	undef $guard;	1513	undef $guard;
1372	$map = find $path	1514	return find $path;
1373	or return;
1374	}	1515	}
1375		1516
1376	$cf::MAP{$key} = $map	1517	$cf::MAP{$path} = $map
1377	}	1518	}
1378	}	1519	}
		1520
		1521	sub pre_load { }
		1522	sub post_load { }
1379		1523
1380	sub load {	1524	sub load {
1381	my ($self) = @_;	1525	my ($self) = @_;
1382		1526
		1527	local $self->{deny_reset} = 1; # loading can take a long time
		1528
1383	my $path = $self->{path};	1529	my $path = $self->{path};
		1530
		1531	{
1384	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1532	my $guard = cf::lock_acquire "map_load:$path";
1385		1533
1386	return if $self->in_memory != cf::MAP_SWAPPED;	1534	return if $self->in_memory != cf::MAP_SWAPPED;
1387		1535
1388	$self->in_memory (cf::MAP_LOADING);	1536	$self->in_memory (cf::MAP_LOADING);
1389		1537
1390	$self->alloc;	1538	$self->alloc;
		1539
		1540	$self->pre_load;
		1541	Coro::cede;
		1542
1391	$self->load_objects ($self->{load_path}, 1)	1543	$self->_load_objects ($self->{load_path}, 1)
1392	or return;	1544	or return;
1393		1545
1394	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1395	if delete $self->{load_original};	1547	if delete $self->{load_original};
1396		1548
1397	if (my $uniq = $path->uniq_path) {	1549	if (my $uniq = $self->uniq_path) {
1398	utf8::encode $uniq;	1550	utf8::encode $uniq;
1399	if (aio_open $uniq, O_RDONLY, 0) {	1551	if (aio_open $uniq, O_RDONLY, 0) {
1400	$self->clear_unique_items;	1552	$self->clear_unique_items;
1401	$self->load_objects ($uniq, 0);	1553	$self->_load_objects ($uniq, 0);
1402	}	1554	}
1403	}	1555	}
1404		1556
1405	Coro::cede;	1557	Coro::cede;
1406
1407	# now do the right thing for maps	1558	# now do the right thing for maps
1408	$self->link_multipart_objects;	1559	$self->link_multipart_objects;
1409
1410	if ($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)	1560	$self->difficulty ($self->estimate_difficulty)
1419	unless $self->difficulty;	1561	unless $self->difficulty;
		1562	Coro::cede;
		1563
		1564	unless ($self->{deny_activate}) {
		1565	$self->decay_objects;
		1566	$self->fix_auto_apply;
		1567	$self->update_buttons;
		1568	Coro::cede;
		1569	$self->set_darkness_map;
		1570	Coro::cede;
1420	$self->activate;	1571	$self->activate;
1421	}	1572	}
1422		1573
1423	Coro::cede;
1424
1425	$self->in_memory (cf::MAP_IN_MEMORY);	1574	$self->in_memory (cf::MAP_IN_MEMORY);
		1575	}
		1576
		1577	$self->post_load;
		1578	}
		1579
		1580	sub customise_for {
		1581	my ($self, $ob) = @_;
		1582
		1583	return find "~" . $ob->name . "/" . $self->{path}
		1584	if $self->per_player;
		1585
		1586	$self
1426	}	1587	}
1427		1588
1428	# find and load all maps in the 3x3 area around a map	1589	# find and load all maps in the 3x3 area around a map
1429	sub load_diag {	1590	sub load_diag {
1430	my ($map) = @_;	1591	my ($map) = @_;
…		…
1460		1621
1461	cf::sync_job { $map->load };	1622	cf::sync_job { $map->load };
1462	}	1623	}
1463		1624
1464	our %MAP_PREFETCH;	1625	our %MAP_PREFETCH;
1465	our $MAP_PREFETCHER = Coro::async {	1626	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	$map->load;
1475	}
1476	Coro::schedule;
1477	}
1478	};
1479		1627
1480	sub find_async {	1628	sub find_async {
1481	my ($path, $origin) = @_;	1629	my ($path, $origin) = @_;
1482		1630
1483	$path = new cf::path $path, $origin && $origin->path;	1631	$path = normalise $path, $origin && $origin->{path};
1484	my $key = $path->as_string;
1485		1632
1486	if (my $map = $cf::MAP{$key}) {	1633	if (my $map = $cf::MAP{$path}) {
1487	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1488	}	1635	}
1489		1636
1490	$MAP_PREFETCH{$key} = $path;	1637	undef $MAP_PREFETCH{$path};
		1638	$MAP_PREFETCHER ||= cf::async {
		1639	while (%MAP_PREFETCH) {
		1640	for my $path (keys %MAP_PREFETCH) {
		1641	my $map = find $path
		1642	or next;
		1643	$map->load;
		1644
		1645	delete $MAP_PREFETCH{$path};
		1646	}
		1647	}
		1648	undef $MAP_PREFETCHER;
		1649	};
1491	$MAP_PREFETCHER->ready;	1650	$MAP_PREFETCHER->prio (6);
1492		1651
1493	()	1652	()
1494	}	1653	}
1495		1654
1496	sub save {	1655	sub save {
…		…
1500		1659
1501	$self->{last_save} = $cf::RUNTIME;	1660	$self->{last_save} = $cf::RUNTIME;
1502		1661
1503	return unless $self->dirty;	1662	return unless $self->dirty;
1504		1663
1505	my $save = $self->{path}->save_path; utf8::encode $save;	1664	my $save = $self->save_path; utf8::encode $save;
1506	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1665	my $uniq = $self->uniq_path; utf8::encode $uniq;
1507		1666
1508	$self->{load_path} = $save;	1667	$self->{load_path} = $save;
1509		1668
1510	return if $self->{deny_save};	1669	return if $self->{deny_save};
1511		1670
…		…
1514	cf::async {	1673	cf::async {
1515	$_->contr->save for $self->players;	1674	$_->contr->save for $self->players;
1516	};	1675	};
1517		1676
1518	if ($uniq) {	1677	if ($uniq) {
1519	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1520	$self->save_objects ($uniq, cf::IO_UNIQUES);	1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1521	} else {	1680	} else {
1522	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1523	}	1682	}
1524	}	1683	}
1525		1684
1526	sub swap_out {	1685	sub swap_out {
1527	my ($self) = @_;	1686	my ($self) = @_;
…		…
1541		1700
1542	sub reset_at {	1701	sub reset_at {
1543	my ($self) = @_;	1702	my ($self) = @_;
1544		1703
1545	# TODO: safety, remove and allow resettable per-player maps	1704	# TODO: safety, remove and allow resettable per-player maps
1546	return 1e99 if $self->{path}{user_rel};	1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1547	return 1e99 if $self->{deny_reset};	1706	return 1e99 if $self->{deny_reset};
1548		1707
1549	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1550	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1551		1710
…		…
1556	my ($self) = @_;	1715	my ($self) = @_;
1557		1716
1558	$self->reset_at <= $cf::RUNTIME	1717	$self->reset_at <= $cf::RUNTIME
1559	}	1718	}
1560		1719
1561	sub rename {
1562	my ($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	$self->save;
1572	}
1573
1574	sub reset {	1720	sub reset {
1575	my ($self) = @_;	1721	my ($self) = @_;
1576		1722
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	1723	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		1724
1579	return if $self->players;	1725	return if $self->players;
1580	return if $self->{path}{user_rel};#d#	1726	return if $self->isa ("ext::map_per_player");#d#
1581		1727
1582	warn "resetting map ", $self->path;#d#	1728	warn "resetting map ", $self->path;#d#
1583		1729
		1730	$self->in_memory (cf::MAP_SWAPPED);
		1731
		1732	# need to save uniques path
		1733	unless ($self->{deny_save}) {
		1734	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1735
		1736	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1737	if $uniq;
		1738	}
		1739
1584	delete $cf::MAP{$self->path};	1740	delete $cf::MAP{$self->path};
1585		1741
		1742	$self->clear;
		1743
1586	$_->clear_links_to ($self) for values %cf::MAP;	1744	$_->clear_links_to ($self) for values %cf::MAP;
1587		1745
1588	$self->{path}->unlink_save;	1746	$self->unlink_save;
1589	$self->destroy;	1747	$self->destroy;
1590	}	1748	}
1591		1749
1592	my $nuke_counter = "aaaa";	1750	my $nuke_counter = "aaaa";
1593		1751
1594	sub nuke {	1752	sub nuke {
1595	my ($self) = @_;	1753	my ($self) = @_;
1596		1754
		1755	delete $cf::MAP{$self->path};
		1756
		1757	$self->unlink_save;
		1758
		1759	bless $self, "cf::map";
		1760	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	1761	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	1762	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1764
		1765	$cf::MAP{$self->path} = $self;
		1766
1600	$self->reset; # polite request, might not happen	1767	$self->reset; # polite request, might not happen
1601	}	1768	}
1602		1769
1603	sub customise_for {
1604	my ($map, $ob) = @_;
1605
1606	if ($map->per_player) {
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1608	}
1609
1610	$map
1611	}
1612
1613	=item cf::map::unique_maps	1770	=item cf::map::unique_maps
1614		1771
1615	Returns an arrayref of cf::path's of all shared maps that have	1772	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	1773	instantiated unique items. May block.
1617		1774
1618	=cut	1775	=cut
1619		1776
1620	sub unique_maps() {	1777	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1778	my $files = aio_readdir $UNIQUEDIR
1622	or return;	1779	or return;
1623		1780
1624	my @paths;	1781	my @paths;
1625		1782
1626	for (@$files) {	1783	for (@$files) {
1627	utf8::decode $_;	1784	utf8::decode $_;
1628	next if /\.pst$/;	1785	next if /\.pst$/;
1629	next unless /^$PATH_SEP/o;	1786	next unless /^$PATH_SEP/o;
1630		1787
1631	push @paths, new cf::path $_;	1788	push @paths, cf::map::normalise $_;
1632	}	1789	}
1633		1790
1634	\@paths	1791	\@paths
1635	}	1792	}
1636		1793
…		…
1711		1868
1712	=item $player_object->enter_link	1869	=item $player_object->enter_link
1713		1870
1714	Freezes the player and moves him/her to a special map (C<{link}>).	1871	Freezes the player and moves him/her to a special map (C<{link}>).
1715		1872
1716	The player should be reaosnably safe there for short amounts of time. You	1873	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.	1874	I<MUST> call C<leave_link> as soon as possible, though.
1718		1875
		1876	Will never block.
		1877
1719	=item $player_object->leave_link ($map, $x, $y)	1878	=item $player_object->leave_link ($map, $x, $y)
1720		1879
1721	Moves the player out of the specila link map onto the given map. If the	1880	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	1881	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	1882	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	1883	fails, to the emergency map position.
1725		1884
1726	Might block.	1885	Might block.
1727		1886
1728	=cut	1887	=cut
		1888
		1889	sub link_map {
		1890	unless ($LINK_MAP) {
		1891	$LINK_MAP = cf::map::find "{link}"
		1892	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1893	$LINK_MAP->load;
		1894	}
		1895
		1896	$LINK_MAP
		1897	}
1729		1898
1730	sub cf::object::player::enter_link {	1899	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1900	my ($self) = @_;
1732		1901
1733	$self->deactivate_recursive;	1902	$self->deactivate_recursive;
1734		1903
1735	return if $self->map == $LINK_MAP;	1904	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1905
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1907	if $self->map && $self->map->{path} ne "{link}";
1739		1908
1740	$self->enter_map ($LINK_MAP, 20, 20);	1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1910	}
1742		1911
1743	sub cf::object::player::leave_link {	1912	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1913	my ($self, $map, $x, $y) = @_;
		1914
		1915	return unless $self->contr->active;
1745		1916
1746	my $link_pos = delete $self->{_link_pos};	1917	my $link_pos = delete $self->{_link_pos};
1747		1918
1748	unless ($map) {	1919	unless ($map) {
1749	# restore original map position	1920	# restore original map position
…		…
1767	$map->load;	1938	$map->load;
1768	$map->load_diag;	1939	$map->load_diag;
1769		1940
1770	return unless $self->contr->active;	1941	return unless $self->contr->active;
1771	$self->activate_recursive;	1942	$self->activate_recursive;
		1943
		1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	1945	$self->enter_map ($map, $x, $y);
1773	}	1946	}
1774		1947
1775	cf::player->attach (
1776	on_logout => sub {
1777	my ($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)	1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1808		1949
		1950	Moves the player to the given map-path and coordinates by first freezing
		1951	her, loading and preparing them map, calling the provided $check callback
		1952	that has to return the map if sucecssful, and then unfreezes the player on
		1953	the new (success) or old (failed) map position.
		1954
1809	=cut	1955	=cut
		1956
		1957	our $GOTOGEN;
1810		1958
1811	sub cf::object::player::goto {	1959	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	1960	my ($self, $path, $x, $y, $check) = @_;
1813		1961
1814	$path = new cf::path $path;	1962	# do generation counting so two concurrent goto's will be executed in-order
		1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		1964
1816	$self->enter_link;	1965	$self->enter_link;
1817		1966
1818	(async {	1967	(async {
		1968	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	1969	my $map = cf::map::find $path;
		1970
		1971	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	1972	$map = $map->customise_for ($self);
1821		1973	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	1974	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1976	}
1826		1977
		1978	$map
		1979	};
		1980
		1981	if ($@) {
		1982	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		1983	LOG llevError | logBacktrace, Carp::longmess $@;
		1984	}
		1985
		1986	if ($gen == $self->{_goto_generation}) {
		1987	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	1988	$self->leave_link ($map, $x, $y);
		1989	}
1828	})->prio (1);	1990	})->prio (1);
1829	}	1991	}
1830		1992
1831	=item $player_object->enter_exit ($exit_object)	1993	=item $player_object->enter_exit ($exit_object)
1832		1994
…		…
1834		1996
1835	sub parse_random_map_params {	1997	sub parse_random_map_params {
1836	my ($spec) = @_;	1998	my ($spec) = @_;
1837		1999
1838	my $rmp = { # defaults	2000	my $rmp = { # defaults
1839	xsize => 10,	2001	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2002	ysize => (cf::rndm 15, 40),
		2003	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2004	#layout => string,
1841	};	2005	};
1842		2006
1843	for (split /\n/, $spec) {	2007	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2008	my ($k, $v) = split /\s+/, $_, 2;
1845		2009
…		…
1849	$rmp	2013	$rmp
1850	}	2014	}
1851		2015
1852	sub prepare_random_map {	2016	sub prepare_random_map {
1853	my ($exit) = @_;	2017	my ($exit) = @_;
		2018
		2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		2020
1855	# all this does is basically replace the /! path by	2021	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	2022	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	2023	# that depends on the exit object
1858		2024
1859	my $rmp = parse_random_map_params $exit->msg;	2025	my $rmp = parse_random_map_params $exit->msg;
1860		2026
1861	if ($exit->map) {	2027	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2028	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2029	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2030	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2031	$rmp->{origin_y} = $exit->y;
1866	}	2032	}
1867		2033
1868	$rmp->{random_seed} ||= $exit->random_seed;	2034	$rmp->{random_seed} ||= $exit->random_seed;
1869		2035
1870	my $data = cf::to_json $rmp;	2036	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	2037	my $md5 = Digest::MD5::md5_hex $data;
		2038	my $meta = "$RANDOMDIR/$md5.meta";
1872		2039
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2041	aio_write $fh, 0, (length $data), $data, 0;
		2042	undef $fh;
		2043	aio_rename "$meta~", $meta;
1875		2044
1876	$exit->slaying ("?random/$md5");	2045	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2046	$exit->msg (undef);
1878	}	2047	}
1879	}	2048	}
1880		2049
1881	sub cf::object::player::enter_exit {	2050	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2051	my ($self, $exit) = @_;
1883		2052
1884	return unless $self->type == cf::PLAYER;	2053	return unless $self->type == cf::PLAYER;
		2054
		2055	if ($exit->slaying eq "/!") {
		2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2057	# the problem is that $exit might not survive long enough
		2058	# so it needs to be done right now, right here
		2059	cf::sync_job { prepare_random_map $exit };
		2060	}
		2061
		2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2063	my $hp = $exit->stats->hp;
		2064	my $sp = $exit->stats->sp;
1885		2065
1886	$self->enter_link;	2066	$self->enter_link;
1887		2067
1888	(async {	2068	(async {
1889	$self->deactivate_recursive; # just to be sure	2069	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2070	unless (eval {
1891	prepare_random_map $exit	2071	$self->goto ($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		2072
1897	1;	2073	1;
1898	}) {	2074	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2075	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	2076	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2077	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2078	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2079
1904	warn "ERROR in enter_exit: $@";	2080	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2081	$self->leave_link;
1906	}	2082	}
1907	})->prio (1);	2083	})->prio (1);
…		…
1920		2096
1921	sub cf::client::send_drawinfo {	2097	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2098	my ($self, $text, $flags) = @_;
1923		2099
1924	utf8::encode $text;	2100	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2102	}
1927		2103
		2104	=item $client->ext_event ($type, %msg)
		2105
		2106	Sends an exti event to the client.
		2107
		2108	=cut
		2109
		2110	sub cf::client::ext_event($$%) {
		2111	my ($self, $type, %msg) = @_;
		2112
		2113	$msg{msgtype} = "event_$type";
		2114	$self->send_packet ("ext " . cf::to_json \%msg);
		2115	}
1928		2116
1929	=item $success = $client->query ($flags, "text", \&cb)	2117	=item $success = $client->query ($flags, "text", \&cb)
1930		2118
1931	Queues a query to the client, calling the given callback with	2119	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>,	2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1961	# get handled first	2149	# get handled first
1962	my $queue = delete $ns->{query_queue}	2150	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2151	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2152
1965	(shift @$queue)->[1]->($msg);	2153	(shift @$queue)->[1]->($msg);
		2154	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2155
1967	push @{ $ns->{query_queue} }, @$queue;	2156	push @{ $ns->{query_queue} }, @$queue;
1968		2157
1969	if (@{ $ns->{query_queue} } == @$queue) {	2158	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2159	if (@$queue) {
…		…
2028		2217
2029	# here we export the classes and methods available to script code	2218	# here we export the classes and methods available to script code
2030		2219
2031	=pod	2220	=pod
2032		2221
2033	The following fucntions and emthods are available within a safe environment:	2222	The following functions and methods are available within a safe environment:
2034		2223
2035	cf::object contr pay_amount pay_player map	2224	cf::object contr pay_amount pay_player map
2036	cf::object::player player	2225	cf::object::player player
2037	cf::player peaceful	2226	cf::player peaceful
2038	cf::map trigger	2227	cf::map trigger
…		…
2123	#############################################################################	2312	#############################################################################
2124		2313
2125	=head2 EXTENSION DATABASE SUPPORT	2314	=head2 EXTENSION DATABASE SUPPORT
2126		2315
2127	Crossfire maintains a very simple database for extension use. It can	2316	Crossfire maintains a very simple database for extension use. It can
2128	currently store anything that can be serialised using Storable, which	2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2129	excludes objects.	2318	convert to/from binary).
2130		2319
2131	The parameter C<$family> should best start with the name of the extension	2320	The parameter C<$family> should best start with the name of the extension
2132	using it, it should be unique.	2321	using it, it should be unique.
2133		2322
2134	=over 4	2323	=over 4
2135		2324
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	2325	=item $value = cf::db_get $family => $key
2143		2326
2144	Returns a single value from the database	2327	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		2328
2151	=item cf::db_put $family => $key => $value	2329	=item cf::db_put $family => $key => $value
2152		2330
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you	2331	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		2332
2164	=cut	2333	=cut
2165		2334
2166	our $DB;	2335	our $DB;
2167		2336
2168	{	2337	sub db_init {
2169	my $path = cf::localdir . "/database.pst";	2338	unless ($DB) {
		2339	$DB = BDB::db_create $DB_ENV;
2170		2340
2171	sub db_load() {	2341	cf::sync_job {
2172	$DB = stat $path ? Storable::retrieve $path : { };	2342	eval {
2173	}	2343	$DB->set_flags (BDB::CHKSUM);
2174		2344
2175	my $pid;	2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2176		2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2177	sub db_save() {	2347	cf::cleanup "db_open(db): $!" if $!;
2178	waitpid $pid, 0 if $pid;	2348	};
2179	if (0 == ($pid = fork)) {	2349	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	}	2350	};
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	});	2351	}
		2352	}
2197		2353
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}
2202
2203	sub db_get($;$) {	2354	sub db_get($$) {
2204	@_ >= 2	2355	my $key = "$_[0]/$_[1]";
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208		2356
		2357	cf::sync_job {
		2358	BDB::db_get $DB, undef, $key, my $data;
		2359
		2360	$! ? ()
		2361	: $data
		2362	}
		2363	}
		2364
2209	sub db_put($$;$) {	2365	sub db_put($$$) {
2210	if (@_ >= 3) {	2366	BDB::dbreq_pri 4;
2211	$DB->{$_[0]}{$_[1]} = $_[2];	2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2212	} else {	2368	}
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217		2369
2218	cf::global->attach (	2370	=item cf::cache $id => [$paths...], $processversion => $process
2219	prio => 10000,	2371
2220	on_cleanup => sub {	2372	Generic caching function that returns the value of the resource $id,
2221	db_sync;	2373	caching and regenerating as required.
		2374
		2375	This function can block.
		2376
		2377	=cut
		2378
		2379	sub cache {
		2380	my ($id, $src, $processversion, $process) = @_;
		2381
		2382	my $meta =
		2383	join "\x00",
		2384	$processversion,
		2385	map {
		2386	aio_stat $_
		2387	and Carp::croak "$_: $!";
		2388
		2389	($_, (stat _)[7,9])
		2390	} @$src;
		2391
		2392	my $dbmeta = db_get cache => "$id/meta";
		2393	if ($dbmeta ne $meta) {
		2394	# changed, we may need to process
		2395
		2396	my @data;
		2397	my $md5;
		2398
		2399	for (0 .. $#$src) {
		2400	0 <= aio_load $src->[$_], $data[$_]
		2401	or Carp::croak "$src->[$_]: $!";
2222	},	2402	}
2223	);	2403
		2404	# if processing is expensive, check
		2405	# checksum first
		2406	if (1) {
		2407	$md5 =
		2408	join "\x00",
		2409	$processversion,
		2410	map {
		2411	Coro::cede;
		2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2413	} 0.. $#$src;
		2414
		2415
		2416	my $dbmd5 = db_get cache => "$id/md5";
		2417	if ($dbmd5 eq $md5) {
		2418	db_put cache => "$id/meta", $meta;
		2419
		2420	return db_get cache => "$id/data";
		2421	}
		2422	}
		2423
		2424	my $t1 = Time::HiRes::time;
		2425	my $data = $process->(\@data);
		2426	my $t2 = Time::HiRes::time;
		2427
		2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2429
		2430	db_put cache => "$id/data", $data;
		2431	db_put cache => "$id/md5" , $md5;
		2432	db_put cache => "$id/meta", $meta;
		2433
		2434	return $data;
		2435	}
		2436
		2437	db_get cache => "$id/data"
		2438	}
		2439
		2440	=item fork_call { }, $args
		2441
		2442	Executes the given code block with the given arguments in a seperate
		2443	process, returning the results. Everything must be serialisable with
		2444	Coro::Storable. May, of course, block. Note that the executed sub may
		2445	never block itself or use any form of Event handling.
		2446
		2447	=cut
		2448
		2449	sub fork_call(&@) {
		2450	my ($cb, @args) = @_;
		2451
		2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2453	# or die "socketpair: $!";
		2454	pipe my $fh1, my $fh2
		2455	or die "pipe: $!";
		2456
		2457	if (my $pid = fork) {
		2458	close $fh2;
		2459
		2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2461	$res = Coro::Storable::thaw $res;
		2462
		2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2464
		2465	die $$res unless "ARRAY" eq ref $res;
		2466
		2467	return wantarray ? @$res : $res->[-1];
		2468	} else {
		2469	reset_signals;
		2470	local $SIG{__WARN__};
		2471	local $SIG{__DIE__};
		2472	eval {
		2473	close $fh1;
		2474
		2475	my @res = eval { $cb->(@args) };
		2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2477	};
		2478
		2479	warn $@ if $@;
		2480	_exit 0;
		2481	}
2224	}	2482	}
2225		2483
2226	#############################################################################	2484	#############################################################################
2227	# the server's main()	2485	# the server's init and main functions
		2486
		2487	sub load_facedata($) {
		2488	my ($path) = @_;
		2489
		2490	warn "loading facedata from $path\n";
		2491
		2492	my $facedata;
		2493	0 < aio_load $path, $facedata
		2494	or die "$path: $!";
		2495
		2496	$facedata = Coro::Storable::thaw $facedata;
		2497
		2498	$facedata->{version} == 2
		2499	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2500
		2501	{
		2502	my $faces = $facedata->{faceinfo};
		2503
		2504	while (my ($face, $info) = each %$faces) {
		2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2506	warn "$face $info->{magicmap}\n" if $face =~ /obol/;#d#
		2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2510	Coro::cede;
		2511	}
		2512
		2513	while (my ($face, $info) = each %$faces) {
		2514	next unless $info->{smooth};
		2515	my $idx = cf::face::find $face
		2516	or next;
		2517	if (my $smooth = cf::face::find $info->{smooth}) {
		2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2519	} else {
		2520	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2521	}
		2522	Coro::cede;
		2523	}
		2524	}
		2525
		2526	{
		2527	my $anims = $facedata->{animinfo};
		2528
		2529	while (my ($anim, $info) = each %$anims) {
		2530	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2531	Coro::cede;
		2532	}
		2533
		2534	cf::anim::invalidate_all; # d'oh
		2535	}
		2536
		2537	1
		2538	}
		2539
		2540	sub reload_regions {
		2541	load_resource_file "$MAPDIR/regions"
		2542	or die "unable to load regions file\n";
		2543	}
		2544
		2545	sub reload_facedata {
		2546	load_facedata "$DATADIR/facedata"
		2547	or die "unable to load facedata\n";
		2548	}
		2549
		2550	sub reload_archetypes {
		2551	load_resource_file "$DATADIR/archetypes"
		2552	or die "unable to load archetypes\n";
		2553	}
		2554
		2555	sub reload_treasures {
		2556	load_resource_file "$DATADIR/treasures"
		2557	or die "unable to load treasurelists\n";
		2558	}
		2559
		2560	sub reload_resources {
		2561	warn "reloading resource files...\n";
		2562
		2563	reload_regions;
		2564	reload_facedata;
		2565	reload_archetypes;
		2566	reload_treasures;
		2567
		2568	warn "finished reloading resource files\n";
		2569	}
		2570
		2571	sub init {
		2572	reload_resources;
		2573	}
2228		2574
2229	sub cfg_load {	2575	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2576	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	2577	or return;
2232		2578
2233	local $/;	2579	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	2580	*CFG = YAML::Syck::Load <$fh>;
2235		2581
…		…
2249		2595
2250	sub main {	2596	sub main {
2251	# we must not ever block the main coroutine	2597	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2598	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2600	(async {
2254	async { Event::one_event };	2601	Event::one_event;
		2602	})->prio (Coro::PRIO_MAX);
2255	};	2603	};
2256		2604
2257	cfg_load;	2605	cfg_load;
2258	db_load;	2606	db_init;
2259	load_extensions;	2607	load_extensions;
		2608
		2609	$TICK_WATCHER->start;
2260	Event::loop;	2610	Event::loop;
2261	}	2611	}
2262		2612
2263	#############################################################################	2613	#############################################################################
2264	# initialisation and cleanup	2614	# initialisation and cleanup
2265		2615
2266	# install some emergency cleanup handlers	2616	# install some emergency cleanup handlers
2267	BEGIN {	2617	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2618	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2619	Event->signal (
		2620	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2621	data => WF_AUTOCANCEL,
2271	signal => $signal,	2622	signal => $signal,
		2623	prio => 0,
2272	cb => sub {	2624	cb => sub {
2273	cf::cleanup "SIG$signal";	2625	cf::cleanup "SIG$signal";
2274	},	2626	},
2275	);	2627	);
2276	}	2628	}
2277	}	2629	}
…		…
2282	warn "enter emergency perl save\n";	2634	warn "enter emergency perl save\n";
2283		2635
2284	cf::sync_job {	2636	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	2637	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	2638	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	2639	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	2640	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	2641	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	2642	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	2643	$pl->valid or next;
2292	$pl->save;	2644	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	2650	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	2651	$map->valid or next;
2300	$map->save;	2652	$map->save;
2301	}	2653	}
2302	warn "end emergency map save\n";	2654	warn "end emergency map save\n";
		2655
		2656	warn "begin emergency database checkpoint\n";
		2657	BDB::db_env_txn_checkpoint $DB_ENV;
		2658	warn "end emergency database checkpoint\n";
2303	};	2659	};
2304		2660
2305	warn "leave emergency perl save\n";	2661	warn "leave emergency perl save\n";
2306	}	2662	}
2307		2663
		2664	sub post_cleanup {
		2665	my ($make_core) = @_;
		2666
		2667	warn Carp::longmess "post_cleanup backtrace"
		2668	if $make_core;
		2669	}
		2670
2308	sub reload() {	2671	sub do_reload_perl() {
2309	# can/must only be called in main	2672	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	2673	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	2674	warn "can only reload from main coroutine";
2312	return;	2675	return;
2313	}	2676	}
2314		2677
2315	warn "reloading...";	2678	warn "reloading...";
2316		2679
2317	warn "freezing server";	2680	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	2681
		2682	cf::sync_job {
		2683	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2684	cf::emergency_save;
		2685	cf::write_runtime; # external watchdog should not bark
2320		2686
2321	warn "sync database to disk";	2687	warn "syncing database to disk";
2322	cf::db_sync;	2688	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		2689
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	2690	# if anything goes wrong in here, we should simply crash as we already saved
2327		2691
2328	warn "cancel all watchers";	2692	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	2693	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	2695	}
2332		2696
		2697	warn "flushing outstanding aio requests";
		2698	for (;;) {
		2699	BDB::flush;
		2700	IO::AIO::flush;
		2701	Coro::cede;
		2702	last unless IO::AIO::nreqs || BDB::nreqs;
		2703	warn "iterate...";
		2704	}
		2705
		2706	++$RELOAD;
		2707
2333	warn "cancel all extension coros";	2708	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	2709	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	2710	%EXT_CORO = ();
2336		2711
2337	warn "remove commands";	2712	warn "removing commands";
2338	%COMMAND = ();	2713	%COMMAND = ();
2339		2714
2340	warn "remove ext commands";	2715	warn "removing ext commands";
2341	%EXTCMD = ();	2716	%EXTCMD = ();
2342		2717
2343	warn "unload/nuke all extensions";	2718	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	2719	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	2720	warn "... unloading $pkg";
2346		2721
2347	if (my $cb = $pkg->can ("unload")) {	2722	if (my $cb = $pkg->can ("unload")) {
2348	eval {	2723	eval {
…		…
2353		2728
2354	warn "... nuking $pkg";	2729	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	2730	Symbol::delete_package $pkg;
2356	}	2731	}
2357		2732
2358	warn "unload all perl modules loaded from $LIBDIR";	2733	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	2734	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		2736
2362	warn "removing <$k>";	2737	warn "... unloading $k";
2363	delete $INC{$k};	2738	delete $INC{$k};
2364		2739
2365	$k =~ s/\.pm$//;	2740	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	2741	$k =~ s/\//::/g;
2367		2742
…		…
2370	}	2745	}
2371		2746
2372	Symbol::delete_package $k;	2747	Symbol::delete_package $k;
2373	}	2748	}
2374		2749
2375	warn "get rid of safe::, as good as possible";	2750	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	2751	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		2753
2379	warn "unload cf.pm \"a bit\"";	2754	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	2755	delete $INC{"cf.pm"};
		2756	delete $INC{"cf/pod.pm"};
2381		2757
2382	# don't, removes xs symbols, too,	2758	# don't, removes xs symbols, too,
2383	# and global variables created in xs	2759	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	2760	#Symbol::delete_package __PACKAGE__;
2385		2761
		2762	warn "unload completed, starting to reload now";
		2763
2386	warn "reloading cf.pm";	2764	warn "reloading cf.pm";
2387	require cf;	2765	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		2767
2390	warn "load config and database again";	2768	warn "loading config and database again";
2391	cf::cfg_load;	2769	cf::cfg_load;
2392	cf::db_load;
2393		2770
2394	warn "load extensions";	2771	warn "loading extensions";
2395	cf::load_extensions;	2772	cf::load_extensions;
2396		2773
2397	warn "reattach attachments to objects/players";	2774	warn "reattaching attachments to objects/players";
2398	_global_reattach;	2775	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	2776	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	2777	reattach $_ for values %MAP;
2401	};	2778	warn "reattaching attachments to players";
		2779	reattach $_ for values %PLAYER;
2402		2780
2403	if ($@) {	2781	warn "leaving sync_job";
		2782
		2783	1
		2784	} or do {
2404	warn $@;	2785	warn $@;
2405	warn "error while reloading, exiting.";	2786	warn "error while reloading, exiting.";
2406	exit 1;	2787	exit 1;
2407	}	2788	};
2408		2789
2409	warn "reloaded";	2790	warn "reloaded";
2410	};	2791	};
2411		2792
2412	#############################################################################	2793	our $RELOAD_WATCHER; # used only during reload
2413		2794
2414	unless ($LINK_MAP) {	2795	sub reload_perl() {
2415	$LINK_MAP = cf::map::new;	2796	# doing reload synchronously and two reloads happen back-to-back,
		2797	# coro crashes during coro_state_free->destroy here.
2416		2798
2417	$LINK_MAP->width (41);	2799	$RELOAD_WATCHER ||= Event->timer (
2418	$LINK_MAP->height (41);	2800	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,	2801	after => 0,
		2802	data => WF_AUTOCANCEL,
2427	cb => sub {	2803	cb => sub {
2428	$_[0]->w->cancel;	2804	do_reload_perl;
2429		2805	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	});	2806	},
2448		2807	);
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	2808	}
2454		2809
2455	register_command "reload" => sub {	2810	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	2811	my ($who, $arg) = @_;
2457		2812
2458	if ($who->flag (FLAG_WIZ)) {	2813	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	2814	$who->message ("reloading server.");
		2815	async { reload_perl };
2462	}	2816	}
2463	};	2817	};
2464		2818
2465	unshift @INC, $LIBDIR;	2819	unshift @INC, $LIBDIR;
2466		2820
		2821	my $bug_warning = 0;
		2822
		2823	our @WAIT_FOR_TICK;
		2824	our @WAIT_FOR_TICK_BEGIN;
		2825
		2826	sub wait_for_tick {
		2827	return unless $TICK_WATCHER->is_active;
		2828	return if $Coro::current == $Coro::main;
		2829
		2830	my $signal = new Coro::Signal;
		2831	push @WAIT_FOR_TICK, $signal;
		2832	$signal->wait;
		2833	}
		2834
		2835	sub wait_for_tick_begin {
		2836	return unless $TICK_WATCHER->is_active;
		2837	return if $Coro::current == $Coro::main;
		2838
		2839	my $signal = new Coro::Signal;
		2840	push @WAIT_FOR_TICK_BEGIN, $signal;
		2841	$signal->wait;
		2842	}
		2843
		2844	my $min = 1e6;#d#
		2845	my $avg = 10;
2467	$TICK_WATCHER = Event->timer (	2846	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	2847	reentrant => 0,
		2848	parked => 1,
2469	prio => 0,	2849	prio => 0,
2470	at => $NEXT_TICK || $TICK,	2850	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	2851	data => WF_AUTOCANCEL,
2472	cb => sub {	2852	cb => sub {
		2853	if ($Coro::current != $Coro::main) {
		2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2855	unless ++$bug_warning > 10;
		2856	return;
		2857	}
		2858
2473	$NOW = Event::time;	2859	$NOW = $tick_start = Event::time;
2474		2860
2475	cf::server_tick; # one server iteration	2861	cf::server_tick; # one server iteration
		2862
		2863	0 && sync_job {#d#
		2864	for(1..10) {
		2865	my $t = Event::time;
		2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2867	or die;
		2868
		2869	$map->width (50);
		2870	$map->height (50);
		2871	$map->alloc;
		2872	$map->_load_objects ("/tmp/x.map", 1);
		2873	my $t = Event::time - $t;
		2874
		2875	#next unless $t < 0.0013;#d#
		2876	if ($t < $min) {
		2877	$min = $t;
		2878	}
		2879	$avg = $avg * 0.99 + $t * 0.01;
		2880	}
		2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2882	exit 0;
		2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2884	};
		2885
2476	$RUNTIME += $TICK;	2886	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	2887	$NEXT_TICK += $TICK;
2478		2888
2479	$WAIT_FOR_TICK->broadcast;	2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2891	Coro::async_pool {
		2892	write_runtime
		2893	or warn "ERROR: unable to write runtime file: $!";
		2894	};
		2895	}
		2896
		2897	# my $AFTER = Event::time;
		2898	# warn $AFTER - $NOW;#d#
		2899
		2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2901	$sig->send;
		2902	}
		2903	while (my $sig = shift @WAIT_FOR_TICK) {
		2904	$sig->send;
		2905	}
		2906
		2907	$NOW = Event::time;
2481		2908
2482	# if we are delayed by four ticks or more, skip them all	2909	# if we are delayed by four ticks or more, skip them all
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2484		2911
2485	$TICK_WATCHER->at ($NEXT_TICK);	2912	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;	2913	$TICK_WATCHER->start;
		2914
		2915	$LOAD = ($NOW - $tick_start) / $TICK;
		2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2917
		2918	_post_tick;
		2919
		2920
2487	},	2921	},
2488	);	2922	);
2489		2923
		2924	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	2925	BDB::max_poll_time $TICK * 0.1;
2491		2926	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	2927	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	2928	fd => BDB::poll_fileno,
2494	poll => 'r',	2929	poll => 'r',
2495	prio => 5,	2930	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	2931	data => WF_AUTOCANCEL,
2502	after => 0,	2932	cb => \&BDB::poll_cb,
2503	interval => 10,	2933	);
2504	cb => sub {	2934	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	2935
2506	write_runtime	2936	BDB::set_sync_prepare {
2507	or warn "ERROR: unable to write runtime file: $!";	2937	my $status;
		2938	my $current = $Coro::current;
		2939	(
		2940	sub {
		2941	$status = $!;
		2942	$current->ready; undef $current;
		2943	},
		2944	sub {
		2945	Coro::schedule while defined $current;
		2946	$! = $status;
		2947	},
		2948	)
		2949	};
		2950
		2951	unless ($DB_ENV) {
		2952	$DB_ENV = BDB::db_env_create;
		2953
		2954	cf::sync_job {
		2955	eval {
		2956	BDB::db_env_open
		2957	$DB_ENV,
		2958	$BDBDIR,
		2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2961	0666;
		2962
		2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2964
		2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2966	$DB_ENV->set_lk_detect;
		2967	};
		2968
		2969	cf::cleanup "db_env_open(db): $@" if $@;
2508	})->();	2970	};
2509	},	2971	}
2510	);	2972	}
		2973
		2974	{
		2975	IO::AIO::min_parallel 8;
		2976
		2977	undef $Coro::AIO::WATCHER;
		2978	IO::AIO::max_poll_time $TICK * 0.1;
		2979	$AIO_POLL_WATCHER = Event->io (
		2980	reentrant => 0,
		2981	data => WF_AUTOCANCEL,
		2982	fd => IO::AIO::poll_fileno,
		2983	poll => 'r',
		2984	prio => 6,
		2985	cb => \&IO::AIO::poll_cb,
		2986	);
		2987	}
		2988
		2989	my $_log_backtrace;
		2990
		2991	sub _log_backtrace {
		2992	my ($msg, @addr) = @_;
		2993
		2994	$msg =~ s/\n//;
		2995
		2996	# limit the # of concurrent backtraces
		2997	if ($_log_backtrace < 2) {
		2998	++$_log_backtrace;
		2999	async {
		3000	my @bt = fork_call {
		3001	@addr = map { sprintf "%x", $_ } @addr;
		3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3004	or die "addr2line: $!";
		3005
		3006	my @funcs;
		3007	my @res = <$fh>;
		3008	chomp for @res;
		3009	while (@res) {
		3010	my ($func, $line) = splice @res, 0, 2, ();
		3011	push @funcs, "[$func] $line";
		3012	}
		3013
		3014	@funcs
		3015	};
		3016
		3017	LOG llevInfo, "[ABT] $msg\n";
		3018	LOG llevInfo, "[ABT] $_\n" for @bt;
		3019	--$_log_backtrace;
		3020	};
		3021	} else {
		3022	LOG llevInfo, "[ABT] $msg\n";
		3023	LOG llevInfo, "[ABT] [suppressed]\n";
		3024	}
		3025	}
		3026
		3027	# load additional modules
		3028	use cf::pod;
2511		3029
2512	END { cf::emergency_save }	3030	END { cf::emergency_save }
2513		3031
2514	1	3032	1
2515		3033

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