ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 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
		55	our %EXT_MAP = (); # pluggable maps
42		56
		57	our $RELOAD; # number of reloads so far
43	our @EVENT;	58	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		59
46	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(!)
47	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	76	our $NEXT_TICK;
49	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;
50		82
51	our %CFG;	83	our %CFG;
52		84
53	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	86	our $RUNTIME;
55		87
56	our %PLAYER; # all users	88	our %PLAYER; # all users
57	our %MAP; # all maps	89	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		91
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
62	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 $tick_start; # for load detecting purposes
63		98
64	binmode STDOUT;	99	binmode STDOUT;
65	binmode STDERR;	100	binmode STDERR;
66		101
67	# read virtual server time, if available	102	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
72	}	107	}
73		108
74	mkdir cf::localdir;	109	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		111
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
83		115
84	#############################################################################	116	#############################################################################
85		117
86	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
87		119
…		…
94	=item $cf::RUNTIME	126	=item $cf::RUNTIME
95		127
96	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
97	every server tick.	129	every server tick.
98		130
99	=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
100		134
101	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
102	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.
103		139
104	=item $cf::NOW	140	=item $cf::NOW
105		141
106	The time of the last (current) server tick.	142	The time of the last (current) server tick.
107		143
108	=item $cf::TICK	144	=item $cf::TICK
109		145
110	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.
111		157
112	=item %cf::CFG	158	=item %cf::CFG
113		159
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
115	from wherever your confdir points to.	161	from wherever your confdir points to.
116		162
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		164
119	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
120	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
121	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.
122	window of cpu time available, or simply to synchronise to the server tick.
123		168
124	=back	169	=back
125		170
126	=cut	171	=cut
127		172
128	BEGIN {	173	BEGIN {
129	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	175	my $msg = join "", @_;
131	utf8::encode $msg;
132		176
133	$msg .= "\n"	177	$msg .= "\n"
134	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
135		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
136	LOG llevError, $msg;	183	LOG llevError, $msg;
137	};	184	};
138	}	185	}
139		186
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
186	$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;
187	$d	234	$d
188	} || "[unable to dump $_[0]: '$@']";	235	} || "[unable to dump $_[0]: '$@']";
189	}	236	}
190		237
191	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
192		239
193	=item $ref = cf::from_json $json	240	=item $ref = cf::from_json $json
194		241
195	Converts a JSON string into the corresponding perl data structure.	242	Converts a JSON string into the corresponding perl data structure.
196		243
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	244	=item $json = cf::to_json $ref
205		245
206	Converts a perl data structure into its JSON representation.	246	Converts a perl data structure into its JSON representation.
207
208	=cut
209
210	sub to_json($) {
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
212	JSON::Syck::Dump $_[0]
213	}
214		247
215	=item cf::lock_wait $string	248	=item cf::lock_wait $string
216		249
217	Wait until the given lock is available. See cf::lock_acquire.	250	Wait until the given lock is available. See cf::lock_acquire.
218		251
…		…
224	returned.	257	returned.
225		258
226	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
227	uses map_find and cf::map::load uses map_load).	260	uses map_find and cf::map::load uses map_load).
228		261
		262	=item $locked = cf::lock_active $string
		263
		264	Return true if the lock is currently active, i.e. somebody has locked it.
		265
229	=cut	266	=cut
230		267
231	our %LOCK;	268	our %LOCK;
232		269
233	sub lock_wait($) {	270	sub lock_wait($) {
…		…
252	# wake up all waiters, to be on the safe side	289	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	290	$_->ready for @{ delete $LOCK{$key} };
254	}	291	}
255	}	292	}
256		293
		294	sub lock_active($) {
		295	my ($key) = @_;
		296
		297	! ! $LOCK{$key}
		298	}
		299
257	sub freeze_mainloop {	300	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	301	return unless $TICK_WATCHER->is_active;
259		302
260	my $guard = Coro::guard { $TICK_WATCHER->start };	303	my $guard = Coro::guard {
		304	$TICK_WATCHER->start;
		305	};
261	$TICK_WATCHER->stop;	306	$TICK_WATCHER->stop;
262	$guard	307	$guard
263	}	308	}
264		309
265	=item cf::async { BLOCK }	310	=item cf::async { BLOCK }
…		…
287		332
288	sub sync_job(&) {	333	sub sync_job(&) {
289	my ($job) = @_;	334	my ($job) = @_;
290		335
291	if ($Coro::current == $Coro::main) {	336	if ($Coro::current == $Coro::main) {
		337	my $time = Event::time;
		338
292	# this is the main coro, too bad, we have to block	339	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	340	# till the operation succeeds, freezing the server :/
294		341
295	# TODO: use suspend/resume instead	342	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	343	# (but this is cancel-safe)
…		…
307		354
308	while ($busy) {	355	while ($busy) {
309	Coro::cede or Event::one_event;	356	Coro::cede or Event::one_event;
310	}	357	}
311		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
312	wantarray ? @res : $res[0]	366	wantarray ? @res : $res[0]
313	} else {	367	} else {
314	# we are in another coroutine, how wonderful, everything just works	368	# we are in another coroutine, how wonderful, everything just works
315		369
316	$job->()	370	$job->()
…		…
336		390
337	$coro	391	$coro
338	}	392	}
339		393
340	sub write_runtime {	394	sub write_runtime {
341	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";
342		405
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
344	or return;	407	or return;
345		408
		409	my $value = $cf::RUNTIME + 90 + 10;
346	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
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0	413	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;	414	and return;
349		415
		416	# always fsync - this file is important
350	aio_fsync $fh	417	aio_fsync $fh
351	and return;	418	and return;
352		419
		420	# touch it again to show we are up-to-date
		421	utime undef, undef, $fh;
		422
353	close $fh	423	close $fh
354	or return;	424	or return;
355		425
356	aio_rename "$runtime~", $runtime	426	aio_rename "$runtime~", $runtime
357	and return;	427	and return;
358		428
		429	warn "runtime file written.\n";#d#
		430
359	1	431	1
360	}	432	}
361		433
		434	=item cf::datalog type => key => value, ...
		435
		436	Log a datalog packet of the given type with the given key-value pairs.
		437
		438	=cut
		439
		440	sub datalog($@) {
		441	my ($type, %kv) = @_;
		442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		443	}
		444
362	=back	445	=back
363		446
364	=cut	447	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		448
493	#############################################################################	449	#############################################################################
494		450
495	=head2 ATTACHABLE OBJECTS	451	=head2 ATTACHABLE OBJECTS
496		452
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	578	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	579	our @CB_MAP = ();
624		580
625	my %attachment;	581	my %attachment;
626		582
		583	sub cf::attachable::thawer_merge {
		584	# simply override everything except _meta
		585	local $_[0]{_meta};
		586	%{$_[0]} = %{$_[1]};
		587	}
		588
627	sub _attach_cb($$$$) {	589	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	590	my ($registry, $event, $prio, $cb) = @_;
629		591
630	use sort 'stable';	592	use sort 'stable';
631		593
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	627	$registry = $CB_TYPE[$object_type] ||= [];
666		628
667	} elsif ($type eq "subtype") {	629	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	630	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	631	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		633
672	} elsif ($type eq "package") {	634	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	635	my $pkg = shift @arg;
674		636
675	while (my ($name, $id) = each %cb_id) {	637	while (my ($name, $id) = each %cb_id) {
…		…
716	if (ref $_[0]) {	678	if (ref $_[0]) {
717	_object_attach @_;	679	_object_attach @_;
718	} else {	680	} else {
719	_attach shift->_attach_registry, @_;	681	_attach shift->_attach_registry, @_;
720	}	682	}
		683	_recalc_want;
721	};	684	};
722		685
723	# all those should be optimised	686	# all those should be optimised
724	sub cf::attachable::detach {	687	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	688	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	691	delete $obj->{_attachment}{$name};
729	reattach ($obj);	692	reattach ($obj);
730	} else {	693	} else {
731	Carp::croak "cannot, currently, detach class attachments";	694	Carp::croak "cannot, currently, detach class attachments";
732	}	695	}
		696	_recalc_want;
733	};	697	};
734		698
735	sub cf::attachable::attached {	699	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	700	my ($obj, $name) = @_;
737		701
…		…
802	# object support	766	# object support
803		767
804	sub reattach {	768	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	769	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	770	my ($obj) = @_;
		771
		772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		773
808	my $registry = $obj->registry;	774	my $registry = $obj->registry;
809		775
810	@$registry = ();	776	@$registry = ();
811		777
…		…
858	$filename, length $$rdata, scalar @$objs;	824	$filename, length $$rdata, scalar @$objs;
859		825
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	827	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	829	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	830	close $fh;
865		831
866	if (@$objs) {	832	if (@$objs) {
867	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) {
868	chmod SAVE_MODE, $fh;	834	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	835	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	836	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	837	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	838	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	839	aio_rename "$filename.pst~", "$filename.pst";
874	}	840	}
875	} else {	841	} else {
876	aio_unlink "$filename.pst";	842	aio_unlink "$filename.pst";
…		…
987	my $base = $1;	953	my $base = $1;
988	my $pkg = $1;	954	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	955	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	956	$pkg = "ext::$pkg";
991		957
992	warn "loading '$path' into '$pkg'\n";	958	warn "... loading '$path' into '$pkg'\n";
993		959
994	open my $fh, "<:utf8", $path	960	open my $fh, "<:utf8", $path
995	or die "$path: $!";	961	or die "$path: $!";
996		962
997	my $source =	963	my $source =
998	"package $pkg; use strict; use utf8;\n"	964	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	965	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	966	. (do { local $/; <$fh> })
1001	. "\n};\n1";	967	. "\n};\n1";
1002		968
1003	eval $source	969	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	970	my $msg = $@ ? "$path: $@\n"
1005	: "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	}
1006		979
1007	push @EXTS, $pkg;	980	push @EXTS, $pkg;
1008	}	981	}
1009		982
1010	sub load_extensions {	983	sub load_extensions {
…		…
1016	} or warn "$ext not loaded: $@";	989	} or warn "$ext not loaded: $@";
1017	}	990	}
1018	}	991	}
1019		992
1020	#############################################################################	993	#############################################################################
1021	# load/save/clean perl data associated with a map
1022
1023	*cf::mapsupport::on_clean = sub {
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		994
1036	=head2 CORE EXTENSIONS	995	=head2 CORE EXTENSIONS
1037		996
1038	Functions and methods that extend core crossfire objects.	997	Functions and methods that extend core crossfire objects.
1039		998
…		…
1052	Returns the given player object, loading it if necessary (might block).	1011	Returns the given player object, loading it if necessary (might block).
1053		1012
1054	=cut	1013	=cut
1055		1014
1056	sub playerdir($) {	1015	sub playerdir($) {
1057	cf::localdir	1016	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1017	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1018	}
1063		1019
1064	sub path($) {	1020	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1021	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1022
1067	(playerdir $login) . "/$login.pl"	1023	(playerdir $login) . "/playerdata"
1068	}	1024	}
1069		1025
1070	sub find_active($) {	1026	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1027	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1028	and $cf::PLAYER{$_[0]}->active
…		…
1075		1031
1076	sub exists($) {	1032	sub exists($) {
1077	my ($login) = @_;	1033	my ($login) = @_;
1078		1034
1079	$cf::PLAYER{$login}	1035	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1036	or cf::sync_job { !aio_stat path $login }
1081	}	1037	}
1082		1038
1083	sub find($) {	1039	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1040	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1041	my $login = $_[0];
1086		1042
1087	my $guard = cf::lock_acquire "user_find:$login";	1043	my $guard = cf::lock_acquire "user_find:$login";
1088		1044
1089	$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
1090	my $pl = load_pl path $login	1053	my $pl = load_pl path $login
1091	or return;	1054	or return;
1092	$cf::PLAYER{$login} = $pl	1055	$cf::PLAYER{$login} = $pl
1093	}	1056	}
1094	}	1057	}
…		…
1131		1094
1132	=cut	1095	=cut
1133		1096
1134	sub quit_character {	1097	sub quit_character {
1135	my ($pl) = @_;	1098	my ($pl) = @_;
		1099
		1100	my $name = $pl->ob->name;
1136		1101
1137	$pl->{deny_save} = 1;	1102	$pl->{deny_save} = 1;
1138	$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
1139		1104
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1110	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1111	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1112	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1113	delete $cf::PLAYER{$pl->ob->name};
1149	$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
1150	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;
1151	}	1136	}
1152		1137
1153	=item cf::player::list_logins	1138	=item cf::player::list_logins
1154		1139
1155	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
1156	while and may block, so not sync_job-capable, ever.	1141	while and may block, so not sync_job-capable, ever.
1157		1142
1158	=cut	1143	=cut
1159		1144
1160	sub list_logins {	1145	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1146	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1147	or return [];
1163		1148
1164	my @logins;	1149	my @logins;
1165		1150
1166	for my $login (@$dirs) {	1151	for my $login (@$dirs) {
…		…
1175	\@logins	1160	\@logins
1176	}	1161	}
1177		1162
1178	=item $player->maps	1163	=item $player->maps
1179		1164
1180	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
1181	player. May block.	1166	player. May block.
1182		1167
1183	=cut	1168	=cut
1184		1169
1185	sub maps($) {	1170	sub maps($) {
1186	my ($pl) = @_;	1171	my ($pl) = @_;
		1172
		1173	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1174
1188	my $files = aio_readdir playerdir $pl	1175	my $files = aio_readdir playerdir $pl
1189	or return;	1176	or return;
1190		1177
1191	my @paths;	1178	my @paths;
…		…
1193	for (@$files) {	1180	for (@$files) {
1194	utf8::decode $_;	1181	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1182	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1183	next unless /^$PATH_SEP/o;
1197		1184
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1185	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1186	}
1200		1187
1201	\@paths	1188	\@paths
1202	}	1189	}
1203		1190
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1191	=item $player->ext_reply ($msgid, %msg)
1205		1192
1206	Sends an ext reply to the player.	1193	Sends an ext reply to the player.
1207		1194
1208	=cut	1195	=cut
1209		1196
1210	sub ext_reply($$$%) {	1197	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1198	my ($self, $id, %msg) = @_;
1212		1199
1213	$msg{msgid} = $id;	1200	$msg{msgid} = $id;
1214		1201
1215	$self->send ("ext " . cf::to_json \%msg);	1202	$self->send ("ext " . cf::to_json \%msg);
1216	}	1203	}
1217		1204
1218	package cf;	1205	=item $player->ext_event ($type, %msg)
		1206
		1207	Sends an ext event to the client.
		1208
		1209	=cut
		1210
		1211	sub ext_event($$%) {
		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	}
1219		1245
1220	=back	1246	=back
1221
1222		1247
1223	=head3 cf::map	1248	=head3 cf::map
1224		1249
1225	=over 4	1250	=over 4
1226		1251
…		…
1229	package cf::map;	1254	package cf::map;
1230		1255
1231	use Fcntl;	1256	use Fcntl;
1232	use Coro::AIO;	1257	use Coro::AIO;
1233		1258
		1259	use overload
		1260	'""' => \&as_string,
		1261	fallback => 1;
		1262
1234	our $MAX_RESET = 3600;	1263	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1264	our $DEFAULT_RESET = 3000;
1236		1265
1237	sub generate_random_map {	1266	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1267	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1268	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1269	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1273	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1274	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1277	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$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},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1279	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(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"
1254	}	1411	}
1255		1412
1256	# and all this just because we cannot iterate over	1413	# and all this just because we cannot iterate over
1257	# all maps in C++...	1414	# all maps in C++...
1258	sub change_all_map_light {	1415	sub change_all_map_light {
…		…
1260		1417
1261	$_->change_map_light ($change)	1418	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1419	for grep $_->outdoor, values %cf::MAP;
1263	}	1420	}
1264		1421
		1422	sub unlink_save {
		1423	my ($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
1265	sub try_load_header($) {	1430	sub load_header_from($) {
1266	my ($path) = @_;	1431	my ($self, $path) = @_;
1267		1432
1268	utf8::encode $path;	1433	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1434	#aio_open $path, O_RDONLY, 0
		1435	# or return;
		1436
		1437	$self->_load_header ($path)
1270	or return;	1438	or return;
1271		1439
1272	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
1273	or return;	1483	or return;
		1484	$self->prepare_orig;
		1485	}
1274		1486
1275	# for better error messages only, will be overwritten	1487	$self->default_region (cf::region::find_by_path $self->{path})
1276	$map->path ($path);	1488	unless $self->default_region;
1277		1489
1278	$map->load_header ($path)	1490	1
1279	or return;
1280
1281	$map->{load_path} = $path;
1282
1283	$map
1284	}	1491	}
1285		1492
1286	sub find;	1493	sub find;
1287	sub find {	1494	sub find {
1288	my ($path, $origin) = @_;	1495	my ($path, $origin) = @_;
1289		1496
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1497	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1498
1295	cf::lock_wait "map_find:$key";	1499	cf::lock_wait "map_find:$path";
1296		1500
1297	$cf::MAP{$key} || do {	1501	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1502	my $guard = cf::lock_acquire "map_find:$path";
1299		1503	my $map = new_from_path cf::map $path
1300	# do it the slow way
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1504	or return;
1319		1505
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1506	$map->{last_save} = $cf::RUNTIME;
1332		1507
1333	Coro::cede;	1508	$map->load_header
		1509	or return;
1334		1510
1335	if ($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;
1336	$map->reset;	1514	$map->reset;
1337	undef $guard;	1515	undef $guard;
1338	$map = find $path	1516	return find $path;
1339	or return;
1340	}	1517	}
1341		1518
1342	$cf::MAP{$key} = $map	1519	$cf::MAP{$path} = $map
1343	}	1520	}
1344	}	1521	}
		1522
		1523	sub pre_load { }
		1524	sub post_load { }
1345		1525
1346	sub load {	1526	sub load {
1347	my ($self) = @_;	1527	my ($self) = @_;
1348		1528
		1529	local $self->{deny_reset} = 1; # loading can take a long time
		1530
1349	my $path = $self->{path};	1531	my $path = $self->{path};
		1532
		1533	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1534	my $guard = cf::lock_acquire "map_load:$path";
1351		1535
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1536	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1537
1354	$self->in_memory (cf::MAP_LOADING);	1538	$self->in_memory (cf::MAP_LOADING);
1355		1539
1356	$self->alloc;	1540	$self->alloc;
		1541
		1542	$self->pre_load;
		1543	Coro::cede;
		1544
1357	$self->load_objects ($self->{load_path}, 1)	1545	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1546	or return;
1359		1547
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1549	if delete $self->{load_original};
1362		1550
1363	if (my $uniq = $path->uniq_path) {	1551	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1552	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1553	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1554	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1555	$self->_load_objects ($uniq, 0);
1368	}	1556	}
1369	}	1557	}
1370		1558
1371	Coro::cede;	1559	Coro::cede;
1372
1373	# now do the right thing for maps	1560	# now do the right thing for maps
1374	$self->link_multipart_objects;	1561	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1562	$self->difficulty ($self->estimate_difficulty)
1385	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;
1386	$self->activate;	1573	$self->activate;
1387	}	1574	}
1388		1575
1389	Coro::cede;
1390
1391	$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	$self
1392	}	1589	}
1393		1590
1394	# find and load all maps in the 3x3 area around a map	1591	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1592	sub load_diag {
1396	my ($map) = @_;	1593	my ($map) = @_;
…		…
1426		1623
1427	cf::sync_job { $map->load };	1624	cf::sync_job { $map->load };
1428	}	1625	}
1429		1626
1430	our %MAP_PREFETCH;	1627	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1628	our $MAP_PREFETCHER = undef;
1432	while () {
1433	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH
1435	or next;
1436	my $path = delete $MAP_PREFETCH{$key};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1629
1446	sub find_async {	1630	sub find_async {
1447	my ($path, $origin) = @_;	1631	my ($path, $origin) = @_;
1448		1632
1449	$path = new cf::path $path, $origin && $origin->path;	1633	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1634
1452	if (my $map = $cf::MAP{$key}) {	1635	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1637	}
1455		1638
1456	$MAP_PREFETCH{$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	};
1457	$MAP_PREFETCHER->ready;	1652	$MAP_PREFETCHER->prio (6);
1458		1653
1459	()	1654	()
1460	}	1655	}
1461		1656
1462	sub save {	1657	sub save {
…		…
1466		1661
1467	$self->{last_save} = $cf::RUNTIME;	1662	$self->{last_save} = $cf::RUNTIME;
1468		1663
1469	return unless $self->dirty;	1664	return unless $self->dirty;
1470		1665
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1666	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1667	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1668
1474	$self->{load_path} = $save;	1669	$self->{load_path} = $save;
1475		1670
1476	return if $self->{deny_save};	1671	return if $self->{deny_save};
1477		1672
…		…
1480	cf::async {	1675	cf::async {
1481	$_->contr->save for $self->players;	1676	$_->contr->save for $self->players;
1482	};	1677	};
1483		1678
1484	if ($uniq) {	1679	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1682	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1684	}
1490	}	1685	}
1491		1686
1492	sub swap_out {	1687	sub swap_out {
1493	my ($self) = @_;	1688	my ($self) = @_;
…		…
1507		1702
1508	sub reset_at {	1703	sub reset_at {
1509	my ($self) = @_;	1704	my ($self) = @_;
1510		1705
1511	# TODO: safety, remove and allow resettable per-player maps	1706	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};	1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1513	return 1e99 if $self->{deny_reset};	1708	return 1e99 if $self->{deny_reset};
1514		1709
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1712
…		…
1522	my ($self) = @_;	1717	my ($self) = @_;
1523		1718
1524	$self->reset_at <= $cf::RUNTIME	1719	$self->reset_at <= $cf::RUNTIME
1525	}	1720	}
1526		1721
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	1722	sub reset {
1549	my ($self) = @_;	1723	my ($self) = @_;
1550		1724
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1725	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1726
1553	return if $self->players;	1727	return if $self->players;
1554	return if $self->{path}{user_rel};#d#	1728	return if $self->isa ("ext::map_per_player");#d#
1555		1729
1556	warn "resetting map ", $self->path;#d#	1730	warn "resetting map ", $self->path;#d#
1557		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
1558	delete $cf::MAP{$self->path};	1742	delete $cf::MAP{$self->path};
		1743
		1744	$self->clear;
1559		1745
1560	$_->clear_links_to ($self) for values %cf::MAP;	1746	$_->clear_links_to ($self) for values %cf::MAP;
1561		1747
1562	$self->unlink_save;	1748	$self->unlink_save;
1563	$self->destroy;	1749	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	1752	my $nuke_counter = "aaaa";
1567		1753
1568	sub nuke {	1754	sub nuke {
1569	my ($self) = @_;	1755	my ($self) = @_;
1570		1756
		1757	delete $cf::MAP{$self->path};
		1758
		1759	$self->unlink_save;
		1760
		1761	bless $self, "cf::map";
		1762	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	1763	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	1764	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1766
		1767	$cf::MAP{$self->path} = $self;
		1768
1574	$self->reset; # polite request, might not happen	1769	$self->reset; # polite request, might not happen
1575	}	1770	}
1576		1771
1577	sub customise_for {
1578	my ($map, $ob) = @_;
1579
1580	if ($map->per_player) {
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1582	}
1583
1584	$map
1585	}
1586
1587	=item cf::map::unique_maps	1772	=item cf::map::unique_maps
1588		1773
1589	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
1590	instantiated unique items. May block.	1775	instantiated unique items. May block.
1591		1776
1592	=cut	1777	=cut
1593		1778
1594	sub unique_maps() {	1779	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1780	my $files = aio_readdir $UNIQUEDIR
1596	or return;	1781	or return;
1597		1782
1598	my @paths;	1783	my @paths;
1599		1784
1600	for (@$files) {	1785	for (@$files) {
1601	utf8::decode $_;	1786	utf8::decode $_;
1602	next if /\.pst$/;	1787	next if /\.pst$/;
1603	next unless /^$PATH_SEP/o;	1788	next unless /^$PATH_SEP/o;
1604		1789
1605	push @paths, new cf::path $_;	1790	push @paths, cf::map::normalise $_;
1606	}	1791	}
1607		1792
1608	\@paths	1793	\@paths
1609	}	1794	}
1610		1795
…		…
1685		1870
1686	=item $player_object->enter_link	1871	=item $player_object->enter_link
1687		1872
1688	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}>).
1689		1874
1690	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
1691	I<MUST> call C<leave_link> as soon as possible, though.	1876	I<MUST> call C<leave_link> as soon as possible, though.
1692		1877
		1878	Will never block.
		1879
1693	=item $player_object->leave_link ($map, $x, $y)	1880	=item $player_object->leave_link ($map, $x, $y)
1694		1881
1695	Moves the player out of the specila link map onto the given map. If the	1882	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	1883	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	1884	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	1885	fails, to the emergency map position.
1699		1886
1700	Might block.	1887	Might block.
1701		1888
1702	=cut	1889	=cut
		1890
		1891	sub link_map {
		1892	unless ($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	$LINK_MAP
		1899	}
1703		1900
1704	sub cf::object::player::enter_link {	1901	sub cf::object::player::enter_link {
1705	my ($self) = @_;	1902	my ($self) = @_;
1706		1903
1707	$self->deactivate_recursive;	1904	$self->deactivate_recursive;
1708		1905
1709	return if $self->map == $LINK_MAP;	1906	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		1907
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	1909	if $self->map;
1713		1910
1714	$self->enter_map ($LINK_MAP, 20, 20);	1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	1912	}
1716		1913
1717	sub cf::object::player::leave_link {	1914	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	1915	my ($self, $map, $x, $y) = @_;
1719		1916
…		…
1741	$map->load;	1938	$map->load;
1742	$map->load_diag;	1939	$map->load_diag;
1743		1940
1744	return unless $self->contr->active;	1941	return unless $self->contr->active;
1745	$self->activate_recursive;	1942	$self->activate_recursive;
		1943
		1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	1945	$self->enter_map ($map, $x, $y);
1747	}	1946	}
1748		1947
1749	cf::player->attach (	1948	cf::player->attach (
1750	on_logout => sub {	1949	on_logout => sub {
…		…
1763	# try to abort aborted map switching on player login :)	1962	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes	1963	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {	1964	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;	1965	$pl->ob->enter_link;
1767	(async {	1966	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,	1967	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "	1968	"There was an internal problem at your last logout, "
1772	. "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.",
1773	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
1774	Coro::Timer::sleep 1;	1973	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;	1974	$pl->ob->leave_link;
1776	})->prio (2);	1975	})->prio (2);
1777	}	1976	}
1778	},	1977	},
…		…
1783	=cut	1982	=cut
1784		1983
1785	sub cf::object::player::goto {	1984	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	1985	my ($self, $path, $x, $y) = @_;
1787		1986
1788	$path = new cf::path $path;
1789
1790	$self->enter_link;	1987	$self->enter_link;
1791		1988
1792	(async {	1989	(async {
		1990	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	1991	my $map = cf::map::find $path;
1794	$map = $map->customise_for ($self) if $map;	1992	$map = $map->customise_for ($self) if $map;
1795		1993	$map
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	1994	} or
1797	# if $map;
1798
1799	$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);
1800		1996
1801	$self->leave_link ($map, $x, $y);	1997	$self->leave_link ($map, $x, $y);
1802	})->prio (1);	1998	})->prio (1);
1803	}	1999	}
1804		2000
…		…
1808		2004
1809	sub parse_random_map_params {	2005	sub parse_random_map_params {
1810	my ($spec) = @_;	2006	my ($spec) = @_;
1811		2007
1812	my $rmp = { # defaults	2008	my $rmp = { # defaults
1813	xsize => 10,	2009	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2010	ysize => (cf::rndm 15, 40),
		2011	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2012	#layout => string,
1815	};	2013	};
1816		2014
1817	for (split /\n/, $spec) {	2015	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2016	my ($k, $v) = split /\s+/, $_, 2;
1819		2017
…		…
1823	$rmp	2021	$rmp
1824	}	2022	}
1825		2023
1826	sub prepare_random_map {	2024	sub prepare_random_map {
1827	my ($exit) = @_;	2025	my ($exit) = @_;
		2026
		2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2028
1829	# all this does is basically replace the /! path by	2029	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2030	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2031	# that depends on the exit object
1832		2032
1833	my $rmp = parse_random_map_params $exit->msg;	2033	my $rmp = parse_random_map_params $exit->msg;
1834		2034
1835	if ($exit->map) {	2035	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2036	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2037	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2038	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2039	$rmp->{origin_y} = $exit->y;
1840	}	2040	}
1841		2041
1842	$rmp->{random_seed} ||= $exit->random_seed;	2042	$rmp->{random_seed} ||= $exit->random_seed;
1843		2043
1844	my $data = cf::to_json $rmp;	2044	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2045	my $md5 = Digest::MD5::md5_hex $data;
		2046	my $meta = "$RANDOMDIR/$md5.meta";
1846		2047
1847	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) {
1848	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;
1849		2052
1850	$exit->slaying ("?random/$md5");	2053	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2054	$exit->msg (undef);
1852	}	2055	}
1853	}	2056	}
1854		2057
1855	sub cf::object::player::enter_exit {	2058	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2059	my ($self, $exit) = @_;
1857		2060
1858	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;
1859		2073
1860	$self->enter_link;	2074	$self->enter_link;
1861		2075
1862	(async {	2076	(async {
1863	$self->deactivate_recursive; # just to be sure	2077	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2078	unless (eval {
1865	prepare_random_map $exit	2079	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2080
1871	1;	2081	1;
1872	}) {	2082	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2083	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "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. "
1875	. "Please report this to the dungeon master!",	2085	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2086	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2087
1878	warn "ERROR in enter_exit: $@";	2088	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2089	$self->leave_link;
1880	}	2090	}
1881	})->prio (1);	2091	})->prio (1);
…		…
1894		2104
1895	sub cf::client::send_drawinfo {	2105	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2106	my ($self, $text, $flags) = @_;
1897		2107
1898	utf8::encode $text;	2108	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2110	}
1901		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	}
1902		2124
1903	=item $success = $client->query ($flags, "text", \&cb)	2125	=item $success = $client->query ($flags, "text", \&cb)
1904		2126
1905	Queues a query to the client, calling the given callback with	2127	Queues a query to the client, calling the given callback with
1906	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>,
…		…
1935	# get handled first	2157	# get handled first
1936	my $queue = delete $ns->{query_queue}	2158	my $queue = delete $ns->{query_queue}
1937	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
1938		2160
1939	(shift @$queue)->[1]->($msg);	2161	(shift @$queue)->[1]->($msg);
		2162	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2163
1941	push @{ $ns->{query_queue} }, @$queue;	2164	push @{ $ns->{query_queue} }, @$queue;
1942		2165
1943	if (@{ $ns->{query_queue} } == @$queue) {	2166	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2167	if (@$queue) {
…		…
2002		2225
2003	# here we export the classes and methods available to script code	2226	# here we export the classes and methods available to script code
2004		2227
2005	=pod	2228	=pod
2006		2229
2007	The following fucntions and emthods are available within a safe environment:	2230	The following functions and methods are available within a safe environment:
2008		2231
2009	cf::object contr pay_amount pay_player map	2232	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2233	cf::object::player player
2011	cf::player peaceful	2234	cf::player peaceful
2012	cf::map trigger	2235	cf::map trigger
…		…
2097	#############################################################################	2320	#############################################################################
2098		2321
2099	=head2 EXTENSION DATABASE SUPPORT	2322	=head2 EXTENSION DATABASE SUPPORT
2100		2323
2101	Crossfire maintains a very simple database for extension use. It can	2324	Crossfire maintains a very simple database for extension use. It can
2102	currently store anything that can be serialised using Storable, which	2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2103	excludes objects.	2326	convert to/from binary).
2104		2327
2105	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
2106	using it, it should be unique.	2329	using it, it should be unique.
2107		2330
2108	=over 4	2331	=over 4
2109		2332
2110	=item $hashref = cf::db_get $family
2111
2112	Return a hashref for use by the extension C<$family>, which can be
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115
2116	=item $value = cf::db_get $family => $key	2333	=item $value = cf::db_get $family => $key
2117		2334
2118	Returns a single value from the database	2335	Returns a single value from the database.
2119
2120	=item cf::db_put $family => $hashref
2121
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124		2336
2125	=item cf::db_put $family => $key => $value	2337	=item cf::db_put $family => $key => $value
2126		2338
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you	2339	Stores the given C<$value> in the family.
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137		2340
2138	=cut	2341	=cut
2139		2342
2140	our $DB;	2343	our $DB;
2141		2344
2142	{	2345	sub db_init {
2143	my $path = cf::localdir . "/database.pst";	2346	unless ($DB) {
		2347	$DB = BDB::db_create $DB_ENV;
2144		2348
2145	sub db_load() {	2349	cf::sync_job {
2146	$DB = stat $path ? Storable::retrieve $path : { };	2350	eval {
2147	}	2351	$DB->set_flags (BDB::CHKSUM);
2148		2352
2149	my $pid;	2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2150		2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2151	sub db_save() {	2355	cf::cleanup "db_open(db): $!" if $!;
2152	waitpid $pid, 0 if $pid;	2356	};
2153	if (0 == ($pid = fork)) {	2357	cf::cleanup "db_open(db): $@" if $@;
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}	2358	};
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	2359	}
		2360	}
2171		2361
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {	2362	sub db_get($$) {
2178	@_ >= 2	2363	my $key = "$_[0]/$_[1]";
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		2364
		2365	cf::sync_job {
		2366	BDB::db_get $DB, undef, $key, my $data;
		2367
		2368	$! ? ()
		2369	: $data
		2370	}
		2371	}
		2372
2183	sub db_put($$;$) {	2373	sub db_put($$$) {
2184	if (@_ >= 3) {	2374	BDB::dbreq_pri 4;
2185	$DB->{$_[0]}{$_[1]} = $_[2];	2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2186	} else {	2376	}
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		2377
2192	cf::global->attach (	2378	=item cf::cache $id => [$paths...], $processversion => $process
2193	prio => 10000,	2379
2194	on_cleanup => sub {	2380	Generic caching function that returns the value of the resource $id,
2195	db_sync;	2381	caching and regenerating as required.
		2382
		2383	This function can block.
		2384
		2385	=cut
		2386
		2387	sub cache {
		2388	my ($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 "$src->[$_]: $!";
2196	},	2410	}
2197	);	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"
2198	}	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
2199		2493
2200	#############################################################################	2494	#############################################################################
2201	# 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	}
2202		2583
2203	sub cfg_load {	2584	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2585	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2586	or return;
2206		2587
2207	local $/;	2588	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2589	*CFG = YAML::Syck::Load <$fh>;
2209		2590
…		…
2223		2604
2224	sub main {	2605	sub main {
2225	# we must not ever block the main coroutine	2606	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2607	local $Coro::idle = sub {
2227	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 {
2228	async { Event::one_event };	2610	Event::one_event;
		2611	})->prio (Coro::PRIO_MAX);
2229	};	2612	};
2230		2613
2231	cfg_load;	2614	cfg_load;
2232	db_load;	2615	db_init;
2233	load_extensions;	2616	load_extensions;
		2617
		2618	$TICK_WATCHER->start;
2234	Event::loop;	2619	Event::loop;
2235	}	2620	}
2236		2621
2237	#############################################################################	2622	#############################################################################
2238	# initialisation and cleanup	2623	# initialisation and cleanup
2239		2624
2240	# install some emergency cleanup handlers	2625	# install some emergency cleanup handlers
2241	BEGIN {	2626	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2627	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2628	Event->signal (
		2629	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2630	data => WF_AUTOCANCEL,
2245	signal => $signal,	2631	signal => $signal,
		2632	prio => 0,
2246	cb => sub {	2633	cb => sub {
2247	cf::cleanup "SIG$signal";	2634	cf::cleanup "SIG$signal";
2248	},	2635	},
2249	);	2636	);
2250	}	2637	}
2251	}	2638	}
…		…
2256	warn "enter emergency perl save\n";	2643	warn "enter emergency perl save\n";
2257		2644
2258	cf::sync_job {	2645	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2646	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2647	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2648	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2649	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2650	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2651	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2652	$pl->valid or next;
2266	$pl->save;	2653	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2659	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2660	$map->valid or next;
2274	$map->save;	2661	$map->save;
2275	}	2662	}
2276	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";
2277	};	2668	};
2278		2669
2279	warn "leave emergency perl save\n";	2670	warn "leave emergency perl save\n";
2280	}	2671	}
2281		2672
		2673	sub post_cleanup {
		2674	my ($make_core) = @_;
		2675
		2676	warn Carp::longmess "post_cleanup backtrace"
		2677	if $make_core;
		2678	}
		2679
2282	sub reload() {	2680	sub do_reload_perl() {
2283	# can/must only be called in main	2681	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2682	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2683	warn "can only reload from main coroutine";
2286	return;	2684	return;
2287	}	2685	}
2288		2686
2289	warn "reloading...";	2687	warn "reloading...";
2290		2688
2291	warn "freezing server";	2689	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2690
		2691	cf::sync_job {
		2692	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2693	cf::emergency_save;
		2694	cf::write_runtime; # external watchdog should not bark
2294		2695
2295	warn "sync database to disk";	2696	warn "syncing database to disk";
2296	cf::db_sync;	2697	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2698
2299	eval {
2300	# 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
2301		2700
2302	warn "cancel all watchers";	2701	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2702	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2704	}
2306		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
2307	warn "cancel all extension coros";	2717	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2718	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2719	%EXT_CORO = ();
2310		2720
2311	warn "remove commands";	2721	warn "removing commands";
2312	%COMMAND = ();	2722	%COMMAND = ();
2313		2723
2314	warn "remove ext commands";	2724	warn "removing ext commands";
2315	%EXTCMD = ();	2725	%EXTCMD = ();
2316		2726
2317	warn "unload/nuke all extensions";	2727	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2728	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	2729	warn "... unloading $pkg";
2320		2730
2321	if (my $cb = $pkg->can ("unload")) {	2731	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2732	eval {
2323	$cb->($pkg);	2733	$cb->($pkg);
2324	1	2734	1
2325	} or warn "$pkg unloaded, but with errors: $@";	2735	} or warn "$pkg unloaded, but with errors: $@";
2326	}	2736	}
2327		2737
		2738	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	2739	Symbol::delete_package $pkg;
2329	}	2740	}
2330		2741
2331	warn "unload all perl modules loaded from $LIBDIR";	2742	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	2743	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		2745
2335	warn "removing <$k>";	2746	warn "... unloading $k";
2336	delete $INC{$k};	2747	delete $INC{$k};
2337		2748
2338	$k =~ s/\.pm$//;	2749	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	2750	$k =~ s/\//::/g;
2340		2751
…		…
2343	}	2754	}
2344		2755
2345	Symbol::delete_package $k;	2756	Symbol::delete_package $k;
2346	}	2757	}
2347		2758
2348	warn "get rid of safe::, as good as possible";	2759	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	2760	Symbol::delete_package "safe::$_"
2350	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);
2351		2762
2352	warn "unload cf.pm \"a bit\"";	2763	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	2764	delete $INC{"cf.pm"};
		2765	delete $INC{"cf/pod.pm"};
2354		2766
2355	# don't, removes xs symbols, too,	2767	# don't, removes xs symbols, too,
2356	# and global variables created in xs	2768	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	2769	#Symbol::delete_package __PACKAGE__;
2358		2770
		2771	warn "unload completed, starting to reload now";
		2772
2359	warn "reloading cf.pm";	2773	warn "reloading cf.pm";
2360	require cf;	2774	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		2776
2363	warn "load config and database again";	2777	warn "loading config and database again";
2364	cf::cfg_load;	2778	cf::cfg_load;
2365	cf::db_load;
2366		2779
2367	warn "load extensions";	2780	warn "loading extensions";
2368	cf::load_extensions;	2781	cf::load_extensions;
2369		2782
2370	warn "reattach attachments to objects/players";	2783	warn "reattaching attachments to objects/players";
2371	_global_reattach;	2784	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	2785	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	2786	reattach $_ for values %MAP;
2374	};	2787	warn "reattaching attachments to players";
		2788	reattach $_ for values %PLAYER;
2375		2789
2376	if ($@) {	2790	warn "leaving sync_job";
		2791
		2792	1
		2793	} or do {
2377	warn $@;	2794	warn $@;
2378	warn "error while reloading, exiting.";	2795	warn "error while reloading, exiting.";
2379	exit 1;	2796	exit 1;
2380	}	2797	};
2381		2798
2382	warn "reloaded";	2799	warn "reloaded";
2383	};	2800	};
2384		2801
2385	#############################################################################	2802	our $RELOAD_WATCHER; # used only during reload
2386		2803
2387	unless ($LINK_MAP) {	2804	sub reload_perl() {
2388	$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.
2389		2807
2390	$LINK_MAP->width (41);	2808	$RELOAD_WATCHER ||= Event->timer (
2391	$LINK_MAP->height (41);	2809	reentrant => 0,
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,	2810	after => 0,
		2811	data => WF_AUTOCANCEL,
2400	cb => sub {	2812	cb => sub {
2401	$_[0]->w->cancel;	2813	do_reload_perl;
2402		2814	undef $RELOAD_WATCHER;
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});	2815	},
2421		2816	);
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	2817	}
2427		2818
2428	register_command "reload" => sub {	2819	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	2820	my ($who, $arg) = @_;
2430		2821
2431	if ($who->flag (FLAG_WIZ)) {	2822	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	2823	$who->message ("reloading server.");
		2824	async { reload_perl };
2435	}	2825	}
2436	};	2826	};
2437		2827
2438	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	}
2439		2852
2440	$TICK_WATCHER = Event->timer (	2853	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	2854	reentrant => 0,
		2855	parked => 1,
2442	prio => 0,	2856	prio => 0,
2443	at => $NEXT_TICK || $TICK,	2857	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	2858	data => WF_AUTOCANCEL,
2445	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
2446	cf::server_tick; # one server iteration	2868	cf::server_tick; # one server iteration
		2869
2447	$RUNTIME += $TICK;	2870	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	2871	$NEXT_TICK += $TICK;
2449		2872
2450	$WAIT_FOR_TICK->broadcast;	2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$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;
2452		2892
2453	# 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
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2455		2895
2456	$TICK_WATCHER->at ($NEXT_TICK);	2896	$TICK_WATCHER->at ($NEXT_TICK);
2457	$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
2458	},	2905	},
2459	);	2906	);
2460		2907
		2908	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	2909	BDB::max_poll_time $TICK * 0.1;
2462		2910	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	2911	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	2912	fd => BDB::poll_fileno,
2465	poll => 'r',	2913	poll => 'r',
2466	prio => 5,	2914	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	2915	data => WF_AUTOCANCEL,
2473	after => 0,	2916	cb => \&BDB::poll_cb,
2474	interval => 10,	2917	);
2475	cb => sub {	2918	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	2919
2477	write_runtime	2920	BDB::set_sync_prepare {
2478	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 $@;
2479	})->();	2954	};
2480	},	2955	}
2481	);	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;
2482		3013
2483	END { cf::emergency_save }	3014	END { cf::emergency_save }
2484		3015
2485	1	3016	1
2486		3017

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines