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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.267 by root, Sat May 19 00:08:11 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	if (my $fh = aio_open $runtime, O_WRONLY, 0) {
		401	utime undef, undef, $fh;
		402	}
		403
		404	my $guard = cf::lock_acquire "write_runtime";
343		405
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345	or return;	407	or return;
346		408
		409	my $value = $cf::RUNTIME + 90 + 10;
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	410	# 10 is the runtime save interval, for a monotonic clock
		411	# 60 allows for the watchdog to kill the server.
		412
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0	413	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;	414	and return;
350		415
		416	# always fsync - this file is important
351	aio_fsync $fh	417	aio_fsync $fh
352	and return;	418	and return;
353		419
		420	# touch it again to show we are up-to-date
		421	utime undef, undef, $fh;
		422
354	close $fh	423	close $fh
355	or return;	424	or return;
356		425
357	aio_rename "$runtime~", $runtime	426	aio_rename "$runtime~", $runtime
358	and return;	427	and return;
359		428
		429	warn "runtime file written.\n";#d#
		430
360	1	431	1
361	}	432	}
362		433
		434	=item cf::datalog type => key => value, ...
		435
		436	Log a datalog packet of the given type with the given key-value pairs.
		437
		438	=cut
		439
		440	sub datalog($@) {
		441	my ($type, %kv) = @_;
		442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		443	}
		444
363	=back	445	=back
364		446
365	=cut	447	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521		448
522	#############################################################################	449	#############################################################################
523		450
524	=head2 ATTACHABLE OBJECTS	451	=head2 ATTACHABLE OBJECTS
525		452
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	578	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	579	our @CB_MAP = ();
653		580
654	my %attachment;	581	my %attachment;
655		582
		583	sub cf::attachable::thawer_merge {
		584	# simply override everything except _meta
		585	local $_[0]{_meta};
		586	%{$_[0]} = %{$_[1]};
		587	}
		588
656	sub _attach_cb($$$$) {	589	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	590	my ($registry, $event, $prio, $cb) = @_;
658		591
659	use sort 'stable';	592	use sort 'stable';
660		593
…		…
694	$registry = $CB_TYPE[$object_type] ||= [];	627	$registry = $CB_TYPE[$object_type] ||= [];
695		628
696	} elsif ($type eq "subtype") {	629	} elsif ($type eq "subtype") {
697	defined $object_type or Carp::croak "subtype specified without type";	630	defined $object_type or Carp::croak "subtype specified without type";
698	my $object_subtype = shift @arg;	631	my $object_subtype = shift @arg;
699	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
700		633
701	} elsif ($type eq "package") {	634	} elsif ($type eq "package") {
702	my $pkg = shift @arg;	635	my $pkg = shift @arg;
703		636
704	while (my ($name, $id) = each %cb_id) {	637	while (my ($name, $id) = each %cb_id) {
…		…
745	if (ref $_[0]) {	678	if (ref $_[0]) {
746	_object_attach @_;	679	_object_attach @_;
747	} else {	680	} else {
748	_attach shift->_attach_registry, @_;	681	_attach shift->_attach_registry, @_;
749	}	682	}
		683	_recalc_want;
750	};	684	};
751		685
752	# all those should be optimised	686	# all those should be optimised
753	sub cf::attachable::detach {	687	sub cf::attachable::detach {
754	my ($obj, $name) = @_;	688	my ($obj, $name) = @_;
…		…
757	delete $obj->{_attachment}{$name};	691	delete $obj->{_attachment}{$name};
758	reattach ($obj);	692	reattach ($obj);
759	} else {	693	} else {
760	Carp::croak "cannot, currently, detach class attachments";	694	Carp::croak "cannot, currently, detach class attachments";
761	}	695	}
		696	_recalc_want;
762	};	697	};
763		698
764	sub cf::attachable::attached {	699	sub cf::attachable::attached {
765	my ($obj, $name) = @_;	700	my ($obj, $name) = @_;
766		701
…		…
831	# object support	766	# object support
832		767
833	sub reattach {	768	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	769	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	770	my ($obj) = @_;
		771
		772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		773
837	my $registry = $obj->registry;	774	my $registry = $obj->registry;
838		775
839	@$registry = ();	776	@$registry = ();
840		777
…		…
887	$filename, length $$rdata, scalar @$objs;	824	$filename, length $$rdata, scalar @$objs;
888		825
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	827	chmod SAVE_MODE, $fh;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	829	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	830	close $fh;
894		831
895	if (@$objs) {	832	if (@$objs) {
896	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
897	chmod SAVE_MODE, $fh;	834	chmod SAVE_MODE, $fh;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	835	my $data = Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	836	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	837	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	838	close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	839	aio_rename "$filename.pst~", "$filename.pst";
903	}	840	}
904	} else {	841	} else {
905	aio_unlink "$filename.pst";	842	aio_unlink "$filename.pst";
…		…
1027	"package $pkg; use strict; use utf8;\n"	964	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"	965	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })	966	. (do { local $/; <$fh> })
1030	. "\n};\n1";	967	. "\n};\n1";
1031		968
1032	eval $source	969	unless (eval $source) {
1033	or die $@ ? "$path: $@\n"	970	my $msg = $@ ? "$path: $@\n"
1034	: "extension disabled.\n";	971	: "extension disabled.\n";
		972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		973	warn $@;
		974	warn "mandatory extension failed to load, exiting.\n";
		975	exit 1;
		976	}
		977	die $@;
		978	}
1035		979
1036	push @EXTS, $pkg;	980	push @EXTS, $pkg;
1037	}	981	}
1038		982
1039	sub load_extensions {	983	sub load_extensions {
…		…
1045	} or warn "$ext not loaded: $@";	989	} or warn "$ext not loaded: $@";
1046	}	990	}
1047	}	991	}
1048		992
1049	#############################################################################	993	#############################################################################
1050	# load/save/clean perl data associated with a map
1051
1052	*cf::mapsupport::on_clean = sub {
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		994
1065	=head2 CORE EXTENSIONS	995	=head2 CORE EXTENSIONS
1066		996
1067	Functions and methods that extend core crossfire objects.	997	Functions and methods that extend core crossfire objects.
1068		998
…		…
1081	Returns the given player object, loading it if necessary (might block).	1011	Returns the given player object, loading it if necessary (might block).
1082		1012
1083	=cut	1013	=cut
1084		1014
1085	sub playerdir($) {	1015	sub playerdir($) {
1086	cf::localdir	1016	"$PLAYERDIR/"
1087	. "/"
1088	. cf::playerdir
1089	. "/"
1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1017	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1091	}	1018	}
1092		1019
1093	sub path($) {	1020	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1021	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		1022
1096	(playerdir $login) . "/$login.pl"	1023	(playerdir $login) . "/playerdata"
1097	}	1024	}
1098		1025
1099	sub find_active($) {	1026	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	1027	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	1028	and $cf::PLAYER{$_[0]}->active
…		…
1104		1031
1105	sub exists($) {	1032	sub exists($) {
1106	my ($login) = @_;	1033	my ($login) = @_;
1107		1034
1108	$cf::PLAYER{$login}	1035	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	1036	or cf::sync_job { !aio_stat path $login }
1110	}	1037	}
1111		1038
1112	sub find($) {	1039	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	1040	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	1041	my $login = $_[0];
1115		1042
1116	my $guard = cf::lock_acquire "user_find:$login";	1043	my $guard = cf::lock_acquire "user_find:$login";
1117		1044
1118	$cf::PLAYER{$_[0]} || do {	1045	$cf::PLAYER{$_[0]} || do {
		1046	# rename old playerfiles to new ones
		1047	#TODO: remove when no longer required
		1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1051	aio_unlink +(playerdir $login) . "/$login.pl";
		1052
1119	my $pl = load_pl path $login	1053	my $pl = load_pl path $login
1120	or return;	1054	or return;
1121	$cf::PLAYER{$login} = $pl	1055	$cf::PLAYER{$login} = $pl
1122	}	1056	}
1123	}	1057	}
…		…
1160		1094
1161	=cut	1095	=cut
1162		1096
1163	sub quit_character {	1097	sub quit_character {
1164	my ($pl) = @_;	1098	my ($pl) = @_;
		1099
		1100	my $name = $pl->ob->name;
1165		1101
1166	$pl->{deny_save} = 1;	1102	$pl->{deny_save} = 1;
1167	$pl->password ("*"); # this should lock out the player until we nuked the dir	1103	$pl->password ("*"); # this should lock out the player until we nuked the dir
1168		1104
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1174	my $path = playerdir $pl;	1110	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1111	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1112	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1113	delete $cf::PLAYER{$pl->ob->name};
1178	$pl->destroy;	1114	$pl->destroy;
		1115
		1116	my $prefix = qr<^~\Q$name\E/>;
		1117
		1118	# nuke player maps
		1119	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1120
1179	IO::AIO::aio_rmtree $temp;	1121	IO::AIO::aio_rmtree $temp;
		1122	}
		1123
		1124	=item $pl->kick
		1125
		1126	Kicks a player out of the game. This destroys the connection.
		1127
		1128	=cut
		1129
		1130	sub kick {
		1131	my ($pl, $kicker) = @_;
		1132
		1133	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1134	$pl->killer ("kicked");
		1135	$pl->ns->destroy;
1180	}	1136	}
1181		1137
1182	=item cf::player::list_logins	1138	=item cf::player::list_logins
1183		1139
1184	Returns am arrayref of all valid playernames in the system, can take a	1140	Returns am arrayref of all valid playernames in the system, can take a
1185	while and may block, so not sync_job-capable, ever.	1141	while and may block, so not sync_job-capable, ever.
1186		1142
1187	=cut	1143	=cut
1188		1144
1189	sub list_logins {	1145	sub list_logins {
1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1146	my $dirs = aio_readdir $PLAYERDIR
1191	or return [];	1147	or return [];
1192		1148
1193	my @logins;	1149	my @logins;
1194		1150
1195	for my $login (@$dirs) {	1151	for my $login (@$dirs) {
…		…
1204	\@logins	1160	\@logins
1205	}	1161	}
1206		1162
1207	=item $player->maps	1163	=item $player->maps
1208		1164
1209	Returns an arrayref of cf::path's of all maps that are private for this	1165	Returns an arrayref of map paths that are private for this
1210	player. May block.	1166	player. May block.
1211		1167
1212	=cut	1168	=cut
1213		1169
1214	sub maps($) {	1170	sub maps($) {
1215	my ($pl) = @_;	1171	my ($pl) = @_;
		1172
		1173	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1174
1217	my $files = aio_readdir playerdir $pl	1175	my $files = aio_readdir playerdir $pl
1218	or return;	1176	or return;
1219		1177
1220	my @paths;	1178	my @paths;
…		…
1222	for (@$files) {	1180	for (@$files) {
1223	utf8::decode $_;	1181	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1182	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1183	next unless /^$PATH_SEP/o;
1226		1184
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1185	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1186	}
1229		1187
1230	\@paths	1188	\@paths
1231	}	1189	}
1232		1190
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1191	=item $player->ext_reply ($msgid, %msg)
1234		1192
1235	Sends an ext reply to the player.	1193	Sends an ext reply to the player.
1236		1194
1237	=cut	1195	=cut
1238		1196
1239	sub ext_reply($$$%) {	1197	sub ext_reply($$%) {
1240	my ($self, $id, %msg) = @_;	1198	my ($self, $id, %msg) = @_;
1241		1199
1242	$msg{msgid} = $id;	1200	$msg{msgid} = $id;
1243		1201
1244	$self->send ("ext " . cf::to_json \%msg);	1202	$self->send ("ext " . cf::to_json \%msg);
1245	}	1203	}
1246		1204
1247	package cf;	1205	=item $player->ext_event ($type, %msg)
		1206
		1207	Sends an ext event to the client.
		1208
		1209	=cut
		1210
		1211	sub ext_event($$%) {
		1212	my ($self, $type, %msg) = @_;
		1213
		1214	$self->ns->ext_event ($type, %msg);
		1215	}
		1216
		1217	=head3 cf::region
		1218
		1219	=over 4
		1220
		1221	=cut
		1222
		1223	package cf::region;
		1224
		1225	=item cf::region::find_by_path $path
		1226
		1227	Tries to decuce the probable region for a map knowing only its path.
		1228
		1229	=cut
		1230
		1231	sub find_by_path($) {
		1232	my ($path) = @_;
		1233
		1234	my ($match, $specificity);
		1235
		1236	for my $region (list) {
		1237	if ($region->match && $path =~ $region->match) {
		1238	($match, $specificity) = ($region, $region->specificity)
		1239	if $region->specificity > $specificity;
		1240	}
		1241	}
		1242
		1243	$match
		1244	}
1248		1245
1249	=back	1246	=back
1250
1251		1247
1252	=head3 cf::map	1248	=head3 cf::map
1253		1249
1254	=over 4	1250	=over 4
1255		1251
…		…
1258	package cf::map;	1254	package cf::map;
1259		1255
1260	use Fcntl;	1256	use Fcntl;
1261	use Coro::AIO;	1257	use Coro::AIO;
1262		1258
		1259	use overload
		1260	'""' => \&as_string,
		1261	fallback => 1;
		1262
1263	our $MAX_RESET = 3600;	1263	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1264	our $DEFAULT_RESET = 3000;
1265		1265
1266	sub generate_random_map {	1266	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1267	my ($self, $rmp) = @_;
1268
1269	# mit "rum" bekleckern, nicht	1268	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1269	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1273	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1274	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1277	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1278	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1279	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1280	(cf::region::find $rmp->{region}), $rmp->{custom}
		1281	)
		1282	}
		1283
		1284	=item cf::map->register ($regex, $prio)
		1285
		1286	Register a handler for the map path matching the given regex at the
		1287	givne priority (higher is better, built-in handlers have priority 0, the
		1288	default).
		1289
		1290	=cut
		1291
		1292	sub register {
		1293	my (undef, $regex, $prio) = @_;
		1294	my $pkg = caller;
		1295
		1296	no strict;
		1297	push @{"$pkg\::ISA"}, __PACKAGE__;
		1298
		1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1300	}
		1301
		1302	# also paths starting with '/'
		1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1304
		1305	sub thawer_merge {
		1306	my ($self, $merge) = @_;
		1307
		1308	# we have to keep some variables in memory intact
		1309	local $self->{path};
		1310	local $self->{load_path};
		1311	local $self->{deny_save};
		1312	local $self->{deny_reset};
		1313
		1314	$self->SUPER::thawer_merge ($merge);
		1315	}
		1316
		1317	sub normalise {
		1318	my ($path, $base) = @_;
		1319
		1320	$path = "$path"; # make sure its a string
		1321
		1322	$path =~ s/\.map$//;
		1323
		1324	# map plan:
		1325	#
		1326	# /! non-realised random map exit (special hack!)
		1327	# {... are special paths that are not being touched
		1328	# ?xxx/... are special absolute paths
		1329	# ?random/... random maps
		1330	# /... normal maps
		1331	# ~user/... per-player map of a specific user
		1332
		1333	$path =~ s/$PATH_SEP/\//go;
		1334
		1335	# treat it as relative path if it starts with
		1336	# something that looks reasonable
		1337	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1338	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1339
		1340	$base =~ s{[^/]+/?$}{};
		1341	$path = "$base/$path";
		1342	}
		1343
		1344	for ($path) {
		1345	redo if s{//}{/};
		1346	redo if s{/\.?/}{/};
		1347	redo if s{/[^/]+/\.\./}{/};
		1348	}
		1349
		1350	$path
		1351	}
		1352
		1353	sub new_from_path {
		1354	my (undef, $path, $base) = @_;
		1355
		1356	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1357
		1358	$path = normalise $path, $base;
		1359
		1360	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1361	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1362	my $self = bless cf::map::new, $pkg;
		1363	$self->{path} = $path; $self->path ($path);
		1364	$self->init; # pass $1 etc.
		1365	return $self;
		1366	}
		1367	}
		1368
		1369	Carp::carp "unable to resolve path '$path' (base '$base').";
		1370	()
		1371	}
		1372
		1373	sub init {
		1374	my ($self) = @_;
		1375
		1376	$self
		1377	}
		1378
		1379	sub as_string {
		1380	my ($self) = @_;
		1381
		1382	"$self->{path}"
		1383	}
		1384
		1385	# the displayed name, this is a one way mapping
		1386	sub visible_name {
		1387	&as_string
		1388	}
		1389
		1390	# the original (read-only) location
		1391	sub load_path {
		1392	my ($self) = @_;
		1393
		1394	"$MAPDIR/$self->{path}.map"
		1395	}
		1396
		1397	# the temporary/swap location
		1398	sub save_path {
		1399	my ($self) = @_;
		1400
		1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1402	"$TMPDIR/$path.map"
		1403	}
		1404
		1405	# the unique path, undef == no special unique path
		1406	sub uniq_path {
		1407	my ($self) = @_;
		1408
		1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1410	"$UNIQUEDIR/$path"
1283	}	1411	}
1284		1412
1285	# and all this just because we cannot iterate over	1413	# and all this just because we cannot iterate over
1286	# all maps in C++...	1414	# all maps in C++...
1287	sub change_all_map_light {	1415	sub change_all_map_light {
…		…
1289		1417
1290	$_->change_map_light ($change)	1418	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1419	for grep $_->outdoor, values %cf::MAP;
1292	}	1420	}
1293		1421
		1422	sub unlink_save {
		1423	my ($self) = @_;
		1424
		1425	utf8::encode (my $save = $self->save_path);
		1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1427	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1428	}
		1429
1294	sub load_map_header($) {	1430	sub load_header_from($) {
1295	my ($path) = @_;	1431	my ($self, $path) = @_;
1296		1432
1297	utf8::encode $path;	1433	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1434	#aio_open $path, O_RDONLY, 0
		1435	# or return;
		1436
		1437	$self->_load_header ($path)
1299	or return;	1438	or return;
1300		1439
1301	my $map = cf::map::new	1440	$self->{load_path} = $path;
		1441
		1442	1
		1443	}
		1444
		1445	sub load_header_orig {
		1446	my ($self) = @_;
		1447
		1448	$self->load_header_from ($self->load_path)
		1449	}
		1450
		1451	sub load_header_temp {
		1452	my ($self) = @_;
		1453
		1454	$self->load_header_from ($self->save_path)
		1455	}
		1456
		1457	sub prepare_temp {
		1458	my ($self) = @_;
		1459
		1460	$self->last_access ((delete $self->{last_access})
		1461	|| $cf::RUNTIME); #d#
		1462	# safety
		1463	$self->{instantiate_time} = $cf::RUNTIME
		1464	if $self->{instantiate_time} > $cf::RUNTIME;
		1465	}
		1466
		1467	sub prepare_orig {
		1468	my ($self) = @_;
		1469
		1470	$self->{load_original} = 1;
		1471	$self->{instantiate_time} = $cf::RUNTIME;
		1472	$self->last_access ($cf::RUNTIME);
		1473	$self->instantiate;
		1474	}
		1475
		1476	sub load_header {
		1477	my ($self) = @_;
		1478
		1479	if ($self->load_header_temp) {
		1480	$self->prepare_temp;
		1481	} else {
		1482	$self->load_header_orig
1302	or return;	1483	or return;
		1484	$self->prepare_orig;
		1485	}
1303		1486
1304	# for better error messages only, will be overwritten later	1487	$self->default_region (cf::region::find_by_path $self->{path})
1305	$map->path ($path);	1488	unless $self->default_region;
1306		1489
1307	$map->load_header ($path)	1490	1
1308	or return;
1309
1310	$map->{load_path} = $path;
1311
1312	$map
1313	}	1491	}
1314		1492
1315	sub find;	1493	sub find;
1316	sub find {	1494	sub find {
1317	my ($path, $origin) = @_;	1495	my ($path, $origin) = @_;
1318		1496
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1497	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1498
1324	cf::lock_wait "map_find:$key";	1499	cf::lock_wait "map_find:$path";
1325		1500
1326	$cf::MAP{$key} || do {	1501	$cf::MAP{$path} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1502	my $guard = cf::lock_acquire "map_find:$path";
1328		1503	my $map = new_from_path cf::map $path
1329	# do it the slow way
1330	my $map = $path->load_temp;
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1504	or return;
1343		1505
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1506	$map->{last_save} = $cf::RUNTIME;
1356		1507
1357	Coro::cede;	1508	$map->load_header
		1509	or return;
1358		1510
1359	if ($map->should_reset) {	1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1512	# doing this can freeze the server in a sync job, obviously
		1513	#$cf::WAIT_FOR_TICK->wait;
1360	$map->reset;	1514	$map->reset;
1361	undef $guard;	1515	undef $guard;
1362	$map = find $path	1516	return find $path;
1363	or return;
1364	}	1517	}
1365		1518
1366	$cf::MAP{$key} = $map	1519	$cf::MAP{$path} = $map
1367	}	1520	}
1368	}	1521	}
		1522
		1523	sub pre_load { }
		1524	sub post_load { }
1369		1525
1370	sub load {	1526	sub load {
1371	my ($self) = @_;	1527	my ($self) = @_;
1372		1528
		1529	local $self->{deny_reset} = 1; # loading can take a long time
		1530
1373	my $path = $self->{path};	1531	my $path = $self->{path};
		1532
		1533	{
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1534	my $guard = cf::lock_acquire "map_load:$path";
1375		1535
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1536	return if $self->in_memory != cf::MAP_SWAPPED;
1377		1537
1378	$self->in_memory (cf::MAP_LOADING);	1538	$self->in_memory (cf::MAP_LOADING);
1379		1539
1380	$self->alloc;	1540	$self->alloc;
		1541
		1542	$self->pre_load;
		1543	Coro::cede;
		1544
1381	$self->load_objects ($self->{load_path}, 1)	1545	$self->_load_objects ($self->{load_path}, 1)
1382	or return;	1546	or return;
1383		1547
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385	if delete $self->{load_original};	1549	if delete $self->{load_original};
1386		1550
1387	if (my $uniq = $path->uniq_path) {	1551	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	1552	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	1553	if (aio_open $uniq, O_RDONLY, 0) {
1390	$self->clear_unique_items;	1554	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	1555	$self->_load_objects ($uniq, 0);
1392	}	1556	}
1393	}	1557	}
1394		1558
1395	Coro::cede;	1559	Coro::cede;
1396
1397	# now do the right thing for maps	1560	# now do the right thing for maps
1398	$self->link_multipart_objects;	1561	$self->link_multipart_objects;
1399
1400	if ($self->{path}->is_style_map) {
1401	$self->{deny_save} = 1;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;
1407	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	1562	$self->difficulty ($self->estimate_difficulty)
1409	unless $self->difficulty;	1563	unless $self->difficulty;
		1564	Coro::cede;
		1565
		1566	unless ($self->{deny_activate}) {
		1567	$self->decay_objects;
		1568	$self->fix_auto_apply;
		1569	$self->update_buttons;
		1570	Coro::cede;
		1571	$self->set_darkness_map;
		1572	Coro::cede;
1410	$self->activate;	1573	$self->activate;
1411	}	1574	}
1412		1575
1413	Coro::cede;
1414
1415	$self->in_memory (cf::MAP_IN_MEMORY);	1576	$self->in_memory (cf::MAP_IN_MEMORY);
		1577	}
		1578
		1579	$self->post_load;
		1580	}
		1581
		1582	sub customise_for {
		1583	my ($self, $ob) = @_;
		1584
		1585	return find "~" . $ob->name . "/" . $self->{path}
		1586	if $self->per_player;
		1587
		1588	$self
1416	}	1589	}
1417		1590
1418	# find and load all maps in the 3x3 area around a map	1591	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	1592	sub load_diag {
1420	my ($map) = @_;	1593	my ($map) = @_;
…		…
1450		1623
1451	cf::sync_job { $map->load };	1624	cf::sync_job { $map->load };
1452	}	1625	}
1453		1626
1454	our %MAP_PREFETCH;	1627	our %MAP_PREFETCH;
1455	our $MAP_PREFETCHER = Coro::async {	1628	our $MAP_PREFETCHER = undef;
1456	while () {
1457	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH
1459	or next;
1460	my $path = delete $MAP_PREFETCH{$key};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}
1466	Coro::schedule;
1467	}
1468	};
1469		1629
1470	sub find_async {	1630	sub find_async {
1471	my ($path, $origin) = @_;	1631	my ($path, $origin) = @_;
1472		1632
1473	$path = new cf::path $path, $origin && $origin->path;	1633	$path = normalise $path, $origin && $origin->{path};
1474	my $key = $path->as_string;
1475		1634
1476	if (my $map = $cf::MAP{$key}) {	1635	if (my $map = $cf::MAP{$path}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}	1637	}
1479		1638
1480	$MAP_PREFETCH{$key} = $path;	1639	undef $MAP_PREFETCH{$path};
		1640	$MAP_PREFETCHER ||= cf::async {
		1641	while (%MAP_PREFETCH) {
		1642	for my $path (keys %MAP_PREFETCH) {
		1643	my $map = find $path
		1644	or next;
		1645	$map->load;
		1646
		1647	delete $MAP_PREFETCH{$path};
		1648	}
		1649	}
		1650	undef $MAP_PREFETCHER;
		1651	};
1481	$MAP_PREFETCHER->ready;	1652	$MAP_PREFETCHER->prio (6);
1482		1653
1483	()	1654	()
1484	}	1655	}
1485		1656
1486	sub save {	1657	sub save {
…		…
1490		1661
1491	$self->{last_save} = $cf::RUNTIME;	1662	$self->{last_save} = $cf::RUNTIME;
1492		1663
1493	return unless $self->dirty;	1664	return unless $self->dirty;
1494		1665
1495	my $save = $self->{path}->save_path; utf8::encode $save;	1666	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1667	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		1668
1498	$self->{load_path} = $save;	1669	$self->{load_path} = $save;
1499		1670
1500	return if $self->{deny_save};	1671	return if $self->{deny_save};
1501		1672
…		…
1504	cf::async {	1675	cf::async {
1505	$_->contr->save for $self->players;	1676	$_->contr->save for $self->players;
1506	};	1677	};
1507		1678
1508	if ($uniq) {	1679	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	1682	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	1684	}
1514	}	1685	}
1515		1686
1516	sub swap_out {	1687	sub swap_out {
1517	my ($self) = @_;	1688	my ($self) = @_;
…		…
1531		1702
1532	sub reset_at {	1703	sub reset_at {
1533	my ($self) = @_;	1704	my ($self) = @_;
1534		1705
1535	# TODO: safety, remove and allow resettable per-player maps	1706	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};	1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	1708	return 1e99 if $self->{deny_reset};
1538		1709
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		1712
…		…
1546	my ($self) = @_;	1717	my ($self) = @_;
1547		1718
1548	$self->reset_at <= $cf::RUNTIME	1719	$self->reset_at <= $cf::RUNTIME
1549	}	1720	}
1550		1721
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	1722	sub reset {
1573	my ($self) = @_;	1723	my ($self) = @_;
1574		1724
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	1725	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		1726
1577	return if $self->players;	1727	return if $self->players;
1578	return if $self->{path}{user_rel};#d#	1728	return if $self->isa ("ext::map_per_player");#d#
1579		1729
1580	warn "resetting map ", $self->path;#d#	1730	warn "resetting map ", $self->path;#d#
1581		1731
		1732	$self->in_memory (cf::MAP_SWAPPED);
		1733
		1734	# need to save uniques path
		1735	unless ($self->{deny_save}) {
		1736	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1737
		1738	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1739	if $uniq;
		1740	}
		1741
1582	delete $cf::MAP{$self->path};	1742	delete $cf::MAP{$self->path};
		1743
		1744	$self->clear;
1583		1745
1584	$_->clear_links_to ($self) for values %cf::MAP;	1746	$_->clear_links_to ($self) for values %cf::MAP;
1585		1747
1586	$self->unlink_save;	1748	$self->unlink_save;
1587	$self->destroy;	1749	$self->destroy;
…		…
1590	my $nuke_counter = "aaaa";	1752	my $nuke_counter = "aaaa";
1591		1753
1592	sub nuke {	1754	sub nuke {
1593	my ($self) = @_;	1755	my ($self) = @_;
1594		1756
		1757	delete $cf::MAP{$self->path};
		1758
		1759	$self->unlink_save;
		1760
		1761	bless $self, "cf::map";
		1762	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	1763	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	1764	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1766
		1767	$cf::MAP{$self->path} = $self;
		1768
1598	$self->reset; # polite request, might not happen	1769	$self->reset; # polite request, might not happen
1599	}	1770	}
1600		1771
1601	sub customise_for {
1602	my ($map, $ob) = @_;
1603
1604	if ($map->per_player) {
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1606	}
1607
1608	$map
1609	}
1610
1611	=item cf::map::unique_maps	1772	=item cf::map::unique_maps
1612		1773
1613	Returns an arrayref of cf::path's of all shared maps that have	1774	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	1775	instantiated unique items. May block.
1615		1776
1616	=cut	1777	=cut
1617		1778
1618	sub unique_maps() {	1779	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1780	my $files = aio_readdir $UNIQUEDIR
1620	or return;	1781	or return;
1621		1782
1622	my @paths;	1783	my @paths;
1623		1784
1624	for (@$files) {	1785	for (@$files) {
1625	utf8::decode $_;	1786	utf8::decode $_;
1626	next if /\.pst$/;	1787	next if /\.pst$/;
1627	next unless /^$PATH_SEP/o;	1788	next unless /^$PATH_SEP/o;
1628		1789
1629	push @paths, new cf::path $_;	1790	push @paths, cf::map::normalise $_;
1630	}	1791	}
1631		1792
1632	\@paths	1793	\@paths
1633	}	1794	}
1634		1795
…		…
1709		1870
1710	=item $player_object->enter_link	1871	=item $player_object->enter_link
1711		1872
1712	Freezes the player and moves him/her to a special map (C<{link}>).	1873	Freezes the player and moves him/her to a special map (C<{link}>).
1713		1874
1714	The player should be reaosnably safe there for short amounts of time. You	1875	The player should be reasonably safe there for short amounts of time. You
1715	I<MUST> call C<leave_link> as soon as possible, though.	1876	I<MUST> call C<leave_link> as soon as possible, though.
1716		1877
		1878	Will never block.
		1879
1717	=item $player_object->leave_link ($map, $x, $y)	1880	=item $player_object->leave_link ($map, $x, $y)
1718		1881
1719	Moves the player out of the specila link map onto the given map. If the	1882	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	1883	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	1884	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	1885	fails, to the emergency map position.
1723		1886
1724	Might block.	1887	Might block.
1725		1888
1726	=cut	1889	=cut
		1890
		1891	sub link_map {
		1892	unless ($LINK_MAP) {
		1893	$LINK_MAP = cf::map::find "{link}"
		1894	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1895	$LINK_MAP->load;
		1896	}
		1897
		1898	$LINK_MAP
		1899	}
1727		1900
1728	sub cf::object::player::enter_link {	1901	sub cf::object::player::enter_link {
1729	my ($self) = @_;	1902	my ($self) = @_;
1730		1903
1731	$self->deactivate_recursive;	1904	$self->deactivate_recursive;
1732		1905
1733	return if $self->map == $LINK_MAP;	1906	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		1907
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	1909	if $self->map;
1737		1910
1738	$self->enter_map ($LINK_MAP, 20, 20);	1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	1912	}
1740		1913
1741	sub cf::object::player::leave_link {	1914	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	1915	my ($self, $map, $x, $y) = @_;
1743		1916
…		…
1765	$map->load;	1938	$map->load;
1766	$map->load_diag;	1939	$map->load_diag;
1767		1940
1768	return unless $self->contr->active;	1941	return unless $self->contr->active;
1769	$self->activate_recursive;	1942	$self->activate_recursive;
		1943
		1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	1945	$self->enter_map ($map, $x, $y);
1771	}	1946	}
1772		1947
1773	cf::player->attach (	1948	cf::player->attach (
1774	on_logout => sub {	1949	on_logout => sub {
…		…
1787	# try to abort aborted map switching on player login :)	1962	# try to abort aborted map switching on player login :)
1788	# should happen only on crashes	1963	# should happen only on crashes
1789	if ($pl->ob->{_link_pos}) {	1964	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;	1965	$pl->ob->enter_link;
1791	(async {	1966	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,	1967	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "	1968	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",	1969	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);	1970	cf::NDI_RED);
		1971	# we need this sleep as the login has a concurrent enter_exit running
		1972	# and this sleep increases chances of the player not ending up in scorn
1798	Coro::Timer::sleep 1;	1973	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;	1974	$pl->ob->leave_link;
1800	})->prio (2);	1975	})->prio (2);
1801	}	1976	}
1802	},	1977	},
…		…
1807	=cut	1982	=cut
1808		1983
1809	sub cf::object::player::goto {	1984	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	1985	my ($self, $path, $x, $y) = @_;
1811		1986
1812	$path = new cf::path $path;
1813
1814	$self->enter_link;	1987	$self->enter_link;
1815		1988
1816	(async {	1989	(async {
		1990	my $map = eval {
1817	my $map = cf::map::find $path->as_string;	1991	my $map = cf::map::find $path;
1818	$map = $map->customise_for ($self) if $map;	1992	$map = $map->customise_for ($self) if $map;
1819		1993	$map
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	1994	} or
1821	# if $map;
1822
1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1824		1996
1825	$self->leave_link ($map, $x, $y);	1997	$self->leave_link ($map, $x, $y);
1826	})->prio (1);	1998	})->prio (1);
1827	}	1999	}
1828		2000
…		…
1832		2004
1833	sub parse_random_map_params {	2005	sub parse_random_map_params {
1834	my ($spec) = @_;	2006	my ($spec) = @_;
1835		2007
1836	my $rmp = { # defaults	2008	my $rmp = { # defaults
1837	xsize => 10,	2009	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	2010	ysize => (cf::rndm 15, 40),
		2011	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2012	#layout => string,
1839	};	2013	};
1840		2014
1841	for (split /\n/, $spec) {	2015	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	2016	my ($k, $v) = split /\s+/, $_, 2;
1843		2017
…		…
1847	$rmp	2021	$rmp
1848	}	2022	}
1849		2023
1850	sub prepare_random_map {	2024	sub prepare_random_map {
1851	my ($exit) = @_;	2025	my ($exit) = @_;
		2026
		2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
1852		2028
1853	# all this does is basically replace the /! path by	2029	# all this does is basically replace the /! path by
1854	# a new random map path (?random/...) with a seed	2030	# a new random map path (?random/...) with a seed
1855	# that depends on the exit object	2031	# that depends on the exit object
1856		2032
1857	my $rmp = parse_random_map_params $exit->msg;	2033	my $rmp = parse_random_map_params $exit->msg;
1858		2034
1859	if ($exit->map) {	2035	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	2036	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	2037	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	2038	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	2039	$rmp->{origin_y} = $exit->y;
1864	}	2040	}
1865		2041
1866	$rmp->{random_seed} ||= $exit->random_seed;	2042	$rmp->{random_seed} ||= $exit->random_seed;
1867		2043
1868	my $data = cf::to_json $rmp;	2044	my $data = cf::to_json $rmp;
1869	my $md5 = Digest::MD5::md5_hex $data;	2045	my $md5 = Digest::MD5::md5_hex $data;
		2046	my $meta = "$RANDOMDIR/$md5.meta";
1870		2047
1871	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872	aio_write $fh, 0, (length $data), $data, 0;	2049	aio_write $fh, 0, (length $data), $data, 0;
		2050	undef $fh;
		2051	aio_rename "$meta~", $meta;
1873		2052
1874	$exit->slaying ("?random/$md5");	2053	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	2054	$exit->msg (undef);
1876	}	2055	}
1877	}	2056	}
1878		2057
1879	sub cf::object::player::enter_exit {	2058	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	2059	my ($self, $exit) = @_;
1881		2060
1882	return unless $self->type == cf::PLAYER;	2061	return unless $self->type == cf::PLAYER;
		2062
		2063	if ($exit->slaying eq "/!") {
		2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2065	# the problem is that $exit might not survive long enough
		2066	# so it needs to be done right now, right here
		2067	cf::sync_job { prepare_random_map $exit };
		2068	}
		2069
		2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2071	my $hp = $exit->stats->hp;
		2072	my $sp = $exit->stats->sp;
1883		2073
1884	$self->enter_link;	2074	$self->enter_link;
1885		2075
1886	(async {	2076	(async {
1887	$self->deactivate_recursive; # just to be sure	2077	$self->deactivate_recursive; # just to be sure
1888	unless (eval {	2078	unless (eval {
1889	prepare_random_map $exit	2079	$self->goto ($slaying, $hp, $sp);
1890	if $exit->slaying eq "/!";
1891
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1894		2080
1895	1;	2081	1;
1896	}) {	2082	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	2083	$self->message ("Something went wrong deep within the crossfire server. "
1898	. "I'll try to bring you back to the map you were before. "	2084	. "I'll try to bring you back to the map you were before. "
1899	. "Please report this to the dungeon master!",	2085	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2086	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2087
1902	warn "ERROR in enter_exit: $@";	2088	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2089	$self->leave_link;
1904	}	2090	}
1905	})->prio (1);	2091	})->prio (1);
…		…
1918		2104
1919	sub cf::client::send_drawinfo {	2105	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2106	my ($self, $text, $flags) = @_;
1921		2107
1922	utf8::encode $text;	2108	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2110	}
1925		2111
		2112	=item $client->ext_event ($type, %msg)
		2113
		2114	Sends an exti event to the client.
		2115
		2116	=cut
		2117
		2118	sub cf::client::ext_event($$%) {
		2119	my ($self, $type, %msg) = @_;
		2120
		2121	$msg{msgtype} = "event_$type";
		2122	$self->send_packet ("ext " . cf::to_json \%msg);
		2123	}
1926		2124
1927	=item $success = $client->query ($flags, "text", \&cb)	2125	=item $success = $client->query ($flags, "text", \&cb)
1928		2126
1929	Queues a query to the client, calling the given callback with	2127	Queues a query to the client, calling the given callback with
1930	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1959	# get handled first	2157	# get handled first
1960	my $queue = delete $ns->{query_queue}	2158	my $queue = delete $ns->{query_queue}
1961	or return; # be conservative, not sure how that can happen, but we saw a crash here	2159	or return; # be conservative, not sure how that can happen, but we saw a crash here
1962		2160
1963	(shift @$queue)->[1]->($msg);	2161	(shift @$queue)->[1]->($msg);
		2162	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2163
1965	push @{ $ns->{query_queue} }, @$queue;	2164	push @{ $ns->{query_queue} }, @$queue;
1966		2165
1967	if (@{ $ns->{query_queue} } == @$queue) {	2166	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2167	if (@$queue) {
…		…
2026		2225
2027	# here we export the classes and methods available to script code	2226	# here we export the classes and methods available to script code
2028		2227
2029	=pod	2228	=pod
2030		2229
2031	The following fucntions and emthods are available within a safe environment:	2230	The following functions and methods are available within a safe environment:
2032		2231
2033	cf::object contr pay_amount pay_player map	2232	cf::object contr pay_amount pay_player map
2034	cf::object::player player	2233	cf::object::player player
2035	cf::player peaceful	2234	cf::player peaceful
2036	cf::map trigger	2235	cf::map trigger
…		…
2121	#############################################################################	2320	#############################################################################
2122		2321
2123	=head2 EXTENSION DATABASE SUPPORT	2322	=head2 EXTENSION DATABASE SUPPORT
2124		2323
2125	Crossfire maintains a very simple database for extension use. It can	2324	Crossfire maintains a very simple database for extension use. It can
2126	currently store anything that can be serialised using Storable, which	2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2127	excludes objects.	2326	convert to/from binary).
2128		2327
2129	The parameter C<$family> should best start with the name of the extension	2328	The parameter C<$family> should best start with the name of the extension
2130	using it, it should be unique.	2329	using it, it should be unique.
2131		2330
2132	=over 4	2331	=over 4
2133		2332
2134	=item $hashref = cf::db_get $family
2135
2136	Return a hashref for use by the extension C<$family>, which can be
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139
2140	=item $value = cf::db_get $family => $key	2333	=item $value = cf::db_get $family => $key
2141		2334
2142	Returns a single value from the database	2335	Returns a single value from the database.
2143
2144	=item cf::db_put $family => $hashref
2145
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148		2336
2149	=item cf::db_put $family => $key => $value	2337	=item cf::db_put $family => $key => $value
2150		2338
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you	2339	Stores the given C<$value> in the family.
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161		2340
2162	=cut	2341	=cut
2163		2342
2164	our $DB;	2343	our $DB;
2165		2344
2166	{	2345	sub db_init {
2167	my $path = cf::localdir . "/database.pst";	2346	unless ($DB) {
		2347	$DB = BDB::db_create $DB_ENV;
2168		2348
2169	sub db_load() {	2349	cf::sync_job {
2170	$DB = stat $path ? Storable::retrieve $path : { };	2350	eval {
2171	}	2351	$DB->set_flags (BDB::CHKSUM);
2172		2352
2173	my $pid;	2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2174		2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2175	sub db_save() {	2355	cf::cleanup "db_open(db): $!" if $!;
2176	waitpid $pid, 0 if $pid;	2356	};
2177	if (0 == ($pid = fork)) {	2357	cf::cleanup "db_open(db): $@" if $@;
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}	2358	};
2183	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});	2359	}
		2360	}
2195		2361
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}
2200
2201	sub db_get($;$) {	2362	sub db_get($$) {
2202	@_ >= 2	2363	my $key = "$_[0]/$_[1]";
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206		2364
		2365	cf::sync_job {
		2366	BDB::db_get $DB, undef, $key, my $data;
		2367
		2368	$! ? ()
		2369	: $data
		2370	}
		2371	}
		2372
2207	sub db_put($$;$) {	2373	sub db_put($$$) {
2208	if (@_ >= 3) {	2374	BDB::dbreq_pri 4;
2209	$DB->{$_[0]}{$_[1]} = $_[2];	2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2210	} else {	2376	}
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215		2377
2216	cf::global->attach (	2378	=item cf::cache $id => [$paths...], $processversion => $process
2217	prio => 10000,	2379
2218	on_cleanup => sub {	2380	Generic caching function that returns the value of the resource $id,
2219	db_sync;	2381	caching and regenerating as required.
		2382
		2383	This function can block.
		2384
		2385	=cut
		2386
		2387	sub cache {
		2388	my ($id, $src, $processversion, $process) = @_;
		2389
		2390	my $meta =
		2391	join "\x00",
		2392	$processversion,
		2393	map {
		2394	aio_stat $_
		2395	and Carp::croak "$_: $!";
		2396
		2397	($_, (stat _)[7,9])
		2398	} @$src;
		2399
		2400	my $dbmeta = db_get cache => "$id/meta";
		2401	if ($dbmeta ne $meta) {
		2402	# changed, we may need to process
		2403
		2404	my @data;
		2405	my $md5;
		2406
		2407	for (0 .. $#$src) {
		2408	0 <= aio_load $src->[$_], $data[$_]
		2409	or Carp::croak "$src->[$_]: $!";
2220	},	2410	}
2221	);	2411
		2412	# if processing is expensive, check
		2413	# checksum first
		2414	if (1) {
		2415	$md5 =
		2416	join "\x00",
		2417	$processversion,
		2418	map {
		2419	Coro::cede;
		2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2421	} 0.. $#$src;
		2422
		2423
		2424	my $dbmd5 = db_get cache => "$id/md5";
		2425	if ($dbmd5 eq $md5) {
		2426	db_put cache => "$id/meta", $meta;
		2427
		2428	return db_get cache => "$id/data";
		2429	}
		2430	}
		2431
		2432	my $t1 = Time::HiRes::time;
		2433	my $data = $process->(\@data);
		2434	my $t2 = Time::HiRes::time;
		2435
		2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2437
		2438	db_put cache => "$id/data", $data;
		2439	db_put cache => "$id/md5" , $md5;
		2440	db_put cache => "$id/meta", $meta;
		2441
		2442	return $data;
		2443	}
		2444
		2445	db_get cache => "$id/data"
2222	}	2446	}
		2447
		2448	=item fork_call { }, $args
		2449
		2450	Executes the given code block with the given arguments in a seperate
		2451	process, returning the results. Everything must be serialisable with
		2452	Coro::Storable. May, of course, block. Note that the executed sub may
		2453	never block itself or use any form of Event handling.
		2454
		2455	=cut
		2456
		2457	sub fork_call(&@) {
		2458	my ($cb, @args) = @_;
		2459
		2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2461	# or die "socketpair: $!";
		2462	pipe my $fh1, my $fh2
		2463	or die "pipe: $!";
		2464
		2465	if (my $pid = fork) {
		2466	close $fh2;
		2467
		2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2469	$res = Coro::Storable::thaw $res;
		2470
		2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2472
		2473	die $$res unless "ARRAY" eq ref $res;
		2474
		2475	return wantarray ? @$res : $res->[-1];
		2476	} else {
		2477	reset_signals;
		2478	local $SIG{__WARN__};
		2479	local $SIG{__DIE__};
		2480	eval {
		2481	close $fh1;
		2482
		2483	my @res = eval { $cb->(@args) };
		2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2485	};
		2486
		2487	warn $@ if $@;
		2488	_exit 0;
		2489	}
		2490	}
		2491
		2492
2223		2493
2224	#############################################################################	2494	#############################################################################
2225	# the server's main()	2495	# the server's init and main functions
		2496
		2497	sub load_facedata($) {
		2498	my ($path) = @_;
		2499
		2500	warn "loading facedata from $path\n";
		2501
		2502	my $facedata;
		2503	0 < aio_load $path, $facedata
		2504	or die "$path: $!";
		2505
		2506	$facedata = Coro::Storable::thaw $facedata;
		2507
		2508	$facedata->{version} == 2
		2509	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2510
		2511	{
		2512	my $faces = $facedata->{faceinfo};
		2513
		2514	while (my ($face, $info) = each %$faces) {
		2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2519	Coro::cede;
		2520	}
		2521
		2522	while (my ($face, $info) = each %$faces) {
		2523	next unless $info->{smooth};
		2524	my $idx = cf::face::find $face
		2525	or next;
		2526	if (my $smooth = cf::face::find $info->{smooth}) {
		2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2528	} else {
		2529	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2530	}
		2531	Coro::cede;
		2532	}
		2533	}
		2534
		2535	{
		2536	my $anims = $facedata->{animinfo};
		2537
		2538	while (my ($anim, $info) = each %$anims) {
		2539	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2540	Coro::cede;
		2541	}
		2542
		2543	cf::anim::invalidate_all; # d'oh
		2544	}
		2545
		2546	1
		2547	}
		2548
		2549	sub reload_regions {
		2550	load_resource_file "$MAPDIR/regions"
		2551	or die "unable to load regions file\n";
		2552	}
		2553
		2554	sub reload_facedata {
		2555	load_facedata "$DATADIR/facedata"
		2556	or die "unable to load facedata\n";
		2557	}
		2558
		2559	sub reload_archetypes {
		2560	load_resource_file "$DATADIR/archetypes"
		2561	or die "unable to load archetypes\n";
		2562	}
		2563
		2564	sub reload_treasures {
		2565	load_resource_file "$DATADIR/treasures"
		2566	or die "unable to load treasurelists\n";
		2567	}
		2568
		2569	sub reload_resources {
		2570	warn "reloading resource files...\n";
		2571
		2572	reload_regions;
		2573	reload_facedata;
		2574	reload_archetypes;
		2575	reload_treasures;
		2576
		2577	warn "finished reloading resource files\n";
		2578	}
		2579
		2580	sub init {
		2581	reload_resources;
		2582	}
2226		2583
2227	sub cfg_load {	2584	sub cfg_load {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	2585	open my $fh, "<:utf8", "$CONFDIR/config"
2229	or return;	2586	or return;
2230		2587
2231	local $/;	2588	local $/;
2232	*CFG = YAML::Syck::Load <$fh>;	2589	*CFG = YAML::Syck::Load <$fh>;
2233		2590
…		…
2247		2604
2248	sub main {	2605	sub main {
2249	# we must not ever block the main coroutine	2606	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	2607	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2609	(async {
2252	async { Event::one_event };	2610	Event::one_event;
		2611	})->prio (Coro::PRIO_MAX);
2253	};	2612	};
2254		2613
2255	cfg_load;	2614	cfg_load;
2256	db_load;	2615	db_init;
2257	load_extensions;	2616	load_extensions;
		2617
		2618	$TICK_WATCHER->start;
2258	Event::loop;	2619	Event::loop;
2259	}	2620	}
2260		2621
2261	#############################################################################	2622	#############################################################################
2262	# initialisation and cleanup	2623	# initialisation and cleanup
2263		2624
2264	# install some emergency cleanup handlers	2625	# install some emergency cleanup handlers
2265	BEGIN {	2626	BEGIN {
2266	for my $signal (qw(INT HUP TERM)) {	2627	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	2628	Event->signal (
		2629	reentrant => 0,
2268	data => WF_AUTOCANCEL,	2630	data => WF_AUTOCANCEL,
2269	signal => $signal,	2631	signal => $signal,
		2632	prio => 0,
2270	cb => sub {	2633	cb => sub {
2271	cf::cleanup "SIG$signal";	2634	cf::cleanup "SIG$signal";
2272	},	2635	},
2273	);	2636	);
2274	}	2637	}
2275	}	2638	}
…		…
2280	warn "enter emergency perl save\n";	2643	warn "enter emergency perl save\n";
2281		2644
2282	cf::sync_job {	2645	cf::sync_job {
2283	# use a peculiar iteration method to avoid tripping on perl	2646	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	2647	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	2648	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	2649	warn "begin emergency player save\n";
2287	for my $login (keys %cf::PLAYER) {	2650	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	2651	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	2652	$pl->valid or next;
2290	$pl->save;	2653	$pl->save;
…		…
2296	my $map = $cf::MAP{$path} or next;	2659	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	2660	$map->valid or next;
2298	$map->save;	2661	$map->save;
2299	}	2662	}
2300	warn "end emergency map save\n";	2663	warn "end emergency map save\n";
		2664
		2665	warn "begin emergency database checkpoint\n";
		2666	BDB::db_env_txn_checkpoint $DB_ENV;
		2667	warn "end emergency database checkpoint\n";
2301	};	2668	};
2302		2669
2303	warn "leave emergency perl save\n";	2670	warn "leave emergency perl save\n";
2304	}	2671	}
2305		2672
		2673	sub post_cleanup {
		2674	my ($make_core) = @_;
		2675
		2676	warn Carp::longmess "post_cleanup backtrace"
		2677	if $make_core;
		2678	}
		2679
2306	sub reload() {	2680	sub do_reload_perl() {
2307	# can/must only be called in main	2681	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	2682	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	2683	warn "can only reload from main coroutine";
2310	return;	2684	return;
2311	}	2685	}
2312		2686
2313	warn "reloading...";	2687	warn "reloading...";
2314		2688
2315	warn "freezing server";	2689	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	2690
		2691	cf::sync_job {
		2692	cf::write_runtime; # external watchdog should not bark
2317	cf::emergency_save;	2693	cf::emergency_save;
		2694	cf::write_runtime; # external watchdog should not bark
2318		2695
2319	warn "sync database to disk";	2696	warn "syncing database to disk";
2320	cf::db_sync;	2697	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		2698
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved	2699	# if anything goes wrong in here, we should simply crash as we already saved
2325		2700
2326	warn "cancel all watchers";	2701	warn "cancelling all WF_AUTOCANCEL watchers";
2327	for (Event::all_watchers) {	2702	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}	2704	}
2330		2705
		2706	warn "flushing outstanding aio requests";
		2707	for (;;) {
		2708	BDB::flush;
		2709	IO::AIO::flush;
		2710	Coro::cede;
		2711	last unless IO::AIO::nreqs || BDB::nreqs;
		2712	warn "iterate...";
		2713	}
		2714
		2715	++$RELOAD;
		2716
2331	warn "cancel all extension coros";	2717	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	2718	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	2719	%EXT_CORO = ();
2334		2720
2335	warn "remove commands";	2721	warn "removing commands";
2336	%COMMAND = ();	2722	%COMMAND = ();
2337		2723
2338	warn "remove ext commands";	2724	warn "removing ext commands";
2339	%EXTCMD = ();	2725	%EXTCMD = ();
2340		2726
2341	warn "unload/nuke all extensions";	2727	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	2728	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	2729	warn "... unloading $pkg";
2344		2730
2345	if (my $cb = $pkg->can ("unload")) {	2731	if (my $cb = $pkg->can ("unload")) {
2346	eval {	2732	eval {
…		…
2351		2737
2352	warn "... nuking $pkg";	2738	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;	2739	Symbol::delete_package $pkg;
2354	}	2740	}
2355		2741
2356	warn "unload all perl modules loaded from $LIBDIR";	2742	warn "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	2743	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		2745
2360	warn "removing <$k>";	2746	warn "... unloading $k";
2361	delete $INC{$k};	2747	delete $INC{$k};
2362		2748
2363	$k =~ s/\.pm$//;	2749	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	2750	$k =~ s/\//::/g;
2365		2751
…		…
2368	}	2754	}
2369		2755
2370	Symbol::delete_package $k;	2756	Symbol::delete_package $k;
2371	}	2757	}
2372		2758
2373	warn "get rid of safe::, as good as possible";	2759	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	2760	Symbol::delete_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		2762
2377	warn "unload cf.pm \"a bit\"";	2763	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	2764	delete $INC{"cf.pm"};
		2765	delete $INC{"cf/pod.pm"};
2379		2766
2380	# don't, removes xs symbols, too,	2767	# don't, removes xs symbols, too,
2381	# and global variables created in xs	2768	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	2769	#Symbol::delete_package __PACKAGE__;
2383		2770
		2771	warn "unload completed, starting to reload now";
		2772
2384	warn "reloading cf.pm";	2773	warn "reloading cf.pm";
2385	require cf;	2774	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		2776
2388	warn "load config and database again";	2777	warn "loading config and database again";
2389	cf::cfg_load;	2778	cf::cfg_load;
2390	cf::db_load;
2391		2779
2392	warn "load extensions";	2780	warn "loading extensions";
2393	cf::load_extensions;	2781	cf::load_extensions;
2394		2782
2395	warn "reattach attachments to objects/players";	2783	warn "reattaching attachments to objects/players";
2396	_global_reattach;	2784	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	2785	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	2786	reattach $_ for values %MAP;
2399	};	2787	warn "reattaching attachments to players";
		2788	reattach $_ for values %PLAYER;
2400		2789
2401	if ($@) {	2790	warn "leaving sync_job";
		2791
		2792	1
		2793	} or do {
2402	warn $@;	2794	warn $@;
2403	warn "error while reloading, exiting.";	2795	warn "error while reloading, exiting.";
2404	exit 1;	2796	exit 1;
2405	}	2797	};
2406		2798
2407	warn "reloaded";	2799	warn "reloaded";
2408	};	2800	};
2409		2801
2410	#############################################################################	2802	our $RELOAD_WATCHER; # used only during reload
2411		2803
2412	unless ($LINK_MAP) {	2804	sub reload_perl() {
2413	$LINK_MAP = cf::map::new;	2805	# doing reload synchronously and two reloads happen back-to-back,
		2806	# coro crashes during coro_state_free->destroy here.
2414		2807
2415	$LINK_MAP->width (41);	2808	$RELOAD_WATCHER ||= Event->timer (
2416	$LINK_MAP->height (41);	2809	reentrant => 0,
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,	2810	after => 0,
		2811	data => WF_AUTOCANCEL,
2425	cb => sub {	2812	cb => sub {
2426	$_[0]->w->cancel;	2813	do_reload_perl;
2427		2814	undef $RELOAD_WATCHER;
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});	2815	},
2446		2816	);
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}	2817	}
2452		2818
2453	register_command "reload" => sub {	2819	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	2820	my ($who, $arg) = @_;
2455		2821
2456	if ($who->flag (FLAG_WIZ)) {	2822	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");
2458	reload;
2459	$who->message ("end of reload.");	2823	$who->message ("reloading server.");
		2824	async { reload_perl };
2460	}	2825	}
2461	};	2826	};
2462		2827
2463	unshift @INC, $LIBDIR;	2828	unshift @INC, $LIBDIR;
		2829
		2830	my $bug_warning = 0;
		2831
		2832	our @WAIT_FOR_TICK;
		2833	our @WAIT_FOR_TICK_BEGIN;
		2834
		2835	sub wait_for_tick {
		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, $signal;
		2841	$signal->wait;
		2842	}
		2843
		2844	sub wait_for_tick_begin {
		2845	return unless $TICK_WATCHER->is_active;
		2846	return if $Coro::current == $Coro::main;
		2847
		2848	my $signal = new Coro::Signal;
		2849	push @WAIT_FOR_TICK_BEGIN, $signal;
		2850	$signal->wait;
		2851	}
2464		2852
2465	$TICK_WATCHER = Event->timer (	2853	$TICK_WATCHER = Event->timer (
2466	reentrant => 0,	2854	reentrant => 0,
		2855	parked => 1,
2467	prio => 0,	2856	prio => 0,
2468	at => $NEXT_TICK || $TICK,	2857	at => $NEXT_TICK || $TICK,
2469	data => WF_AUTOCANCEL,	2858	data => WF_AUTOCANCEL,
2470	cb => sub {	2859	cb => sub {
		2860	if ($Coro::current != $Coro::main) {
		2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2862	unless ++$bug_warning > 10;
		2863	return;
		2864	}
		2865
		2866	$NOW = $tick_start = Event::time;
		2867
2471	cf::server_tick; # one server iteration	2868	cf::server_tick; # one server iteration
		2869
2472	$RUNTIME += $TICK;	2870	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;	2871	$NEXT_TICK += $TICK;
2474		2872
2475	$WAIT_FOR_TICK->broadcast;	2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2874	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2875	Coro::async_pool {
		2876	write_runtime
		2877	or warn "ERROR: unable to write runtime file: $!";
		2878	};
		2879	}
		2880
		2881	# my $AFTER = Event::time;
		2882	# warn $AFTER - $NOW;#d#
		2883
		2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2885	$sig->send;
		2886	}
		2887	while (my $sig = shift @WAIT_FOR_TICK) {
		2888	$sig->send;
		2889	}
		2890
		2891	$NOW = Event::time;
2477		2892
2478	# if we are delayed by four ticks or more, skip them all	2893	# if we are delayed by four ticks or more, skip them all
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2480		2895
2481	$TICK_WATCHER->at ($NEXT_TICK);	2896	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;	2897	$TICK_WATCHER->start;
		2898
		2899	$LOAD = ($NOW - $tick_start) / $TICK;
		2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2901
		2902	_post_tick;
		2903
		2904
2483	},	2905	},
2484	);	2906	);
2485		2907
		2908	{
2486	IO::AIO::max_poll_time $TICK * 0.2;	2909	BDB::max_poll_time $TICK * 0.1;
2487		2910	$BDB_POLL_WATCHER = Event->io (
2488	Event->io (	2911	reentrant => 0,
2489	fd => IO::AIO::poll_fileno,	2912	fd => BDB::poll_fileno,
2490	poll => 'r',	2913	poll => 'r',
2491	prio => 5,	2914	prio => 0,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,	2915	data => WF_AUTOCANCEL,
2498	after => 0,	2916	cb => \&BDB::poll_cb,
2499	interval => 10,	2917	);
2500	cb => sub {	2918	BDB::min_parallel 8;
2501	(Coro::unblock_sub {	2919
2502	write_runtime	2920	BDB::set_sync_prepare {
2503	or warn "ERROR: unable to write runtime file: $!";	2921	my $status;
		2922	my $current = $Coro::current;
		2923	(
		2924	sub {
		2925	$status = $!;
		2926	$current->ready; undef $current;
		2927	},
		2928	sub {
		2929	Coro::schedule while defined $current;
		2930	$! = $status;
		2931	},
		2932	)
		2933	};
		2934
		2935	unless ($DB_ENV) {
		2936	$DB_ENV = BDB::db_env_create;
		2937
		2938	cf::sync_job {
		2939	eval {
		2940	BDB::db_env_open
		2941	$DB_ENV,
		2942	$BDBDIR,
		2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2945	0666;
		2946
		2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2948
		2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2950	$DB_ENV->set_lk_detect;
		2951	};
		2952
		2953	cf::cleanup "db_env_open(db): $@" if $@;
2504	})->();	2954	};
2505	},	2955	}
2506	);	2956	}
		2957
		2958	{
		2959	IO::AIO::min_parallel 8;
		2960
		2961	undef $Coro::AIO::WATCHER;
		2962	IO::AIO::max_poll_time $TICK * 0.1;
		2963	$AIO_POLL_WATCHER = Event->io (
		2964	reentrant => 0,
		2965	data => WF_AUTOCANCEL,
		2966	fd => IO::AIO::poll_fileno,
		2967	poll => 'r',
		2968	prio => 6,
		2969	cb => \&IO::AIO::poll_cb,
		2970	);
		2971	}
		2972
		2973	my $_log_backtrace;
		2974
		2975	sub _log_backtrace {
		2976	my ($msg, @addr) = @_;
		2977
		2978	$msg =~ s/\n//;
		2979
		2980	# limit the # of concurrent backtraces
		2981	if ($_log_backtrace < 2) {
		2982	++$_log_backtrace;
		2983	async {
		2984	my @bt = fork_call {
		2985	@addr = map { sprintf "%x", $_ } @addr;
		2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		2988	or die "addr2line: $!";
		2989
		2990	my @funcs;
		2991	my @res = <$fh>;
		2992	chomp for @res;
		2993	while (@res) {
		2994	my ($func, $line) = splice @res, 0, 2, ();
		2995	push @funcs, "[$func] $line";
		2996	}
		2997
		2998	@funcs
		2999	};
		3000
		3001	LOG llevInfo, "[ABT] $msg\n";
		3002	LOG llevInfo, "[ABT] $_\n" for @bt;
		3003	--$_log_backtrace;
		3004	};
		3005	} else {
		3006	LOG llevInfo, "[ABT] $msg\n";
		3007	LOG llevInfo, "[ABT] [suppressed]\n";
		3008	}
		3009	}
		3010
		3011	# load additional modules
		3012	use cf::pod;
2507		3013
2508	END { cf::emergency_save }	3014	END { cf::emergency_save }
2509		3015
2510	1	3016	1
2511		3017

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