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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.271 by root, Fri Jun 1 06:04:08 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	IO::AIO::aio_utime $runtime, undef, undef;
		401
		402	my $guard = cf::lock_acquire "write_runtime";
342		403
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
344	or return;	405	or return;
345		406
		407	my $value = $cf::RUNTIME + 90 + 10;
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	408	# 10 is the runtime save interval, for a monotonic clock
		409	# 60 allows for the watchdog to kill the server.
		410
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0	411	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;	412	and return;
349		413
		414	# always fsync - this file is important
350	aio_fsync $fh	415	aio_fsync $fh
351	and return;	416	and return;
352		417
		418	# touch it again to show we are up-to-date
		419	aio_utime $fh, undef, undef;
		420
353	close $fh	421	close $fh
354	or return;	422	or return;
355		423
356	aio_rename "$runtime~", $runtime	424	aio_rename "$runtime~", $runtime
357	and return;	425	and return;
358		426
		427	warn "runtime file written.\n";#d#
		428
359	1	429	1
360	}	430	}
361		431
		432	=item cf::datalog type => key => value, ...
		433
		434	Log a datalog packet of the given type with the given key-value pairs.
		435
		436	=cut
		437
		438	sub datalog($@) {
		439	my ($type, %kv) = @_;
		440	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		441	}
		442
362	=back	443	=back
363		444
364	=cut	445	=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		446
493	#############################################################################	447	#############################################################################
494		448
495	=head2 ATTACHABLE OBJECTS	449	=head2 ATTACHABLE OBJECTS
496		450
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	576	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	577	our @CB_MAP = ();
624		578
625	my %attachment;	579	my %attachment;
626		580
		581	sub cf::attachable::thawer_merge {
		582	# simply override everything except _meta
		583	local $_[0]{_meta};
		584	%{$_[0]} = %{$_[1]};
		585	}
		586
627	sub _attach_cb($$$$) {	587	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	588	my ($registry, $event, $prio, $cb) = @_;
629		589
630	use sort 'stable';	590	use sort 'stable';
631		591
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	625	$registry = $CB_TYPE[$object_type] ||= [];
666		626
667	} elsif ($type eq "subtype") {	627	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	628	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	629	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	630	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		631
672	} elsif ($type eq "package") {	632	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	633	my $pkg = shift @arg;
674		634
675	while (my ($name, $id) = each %cb_id) {	635	while (my ($name, $id) = each %cb_id) {
…		…
716	if (ref $_[0]) {	676	if (ref $_[0]) {
717	_object_attach @_;	677	_object_attach @_;
718	} else {	678	} else {
719	_attach shift->_attach_registry, @_;	679	_attach shift->_attach_registry, @_;
720	}	680	}
		681	_recalc_want;
721	};	682	};
722		683
723	# all those should be optimised	684	# all those should be optimised
724	sub cf::attachable::detach {	685	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	686	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	689	delete $obj->{_attachment}{$name};
729	reattach ($obj);	690	reattach ($obj);
730	} else {	691	} else {
731	Carp::croak "cannot, currently, detach class attachments";	692	Carp::croak "cannot, currently, detach class attachments";
732	}	693	}
		694	_recalc_want;
733	};	695	};
734		696
735	sub cf::attachable::attached {	697	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	698	my ($obj, $name) = @_;
737		699
…		…
802	# object support	764	# object support
803		765
804	sub reattach {	766	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	767	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	768	my ($obj) = @_;
		769
		770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		771
808	my $registry = $obj->registry;	772	my $registry = $obj->registry;
809		773
810	@$registry = ();	774	@$registry = ();
811		775
…		…
858	$filename, length $$rdata, scalar @$objs;	822	$filename, length $$rdata, scalar @$objs;
859		823
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	825	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	827	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	828	close $fh;
865		829
866	if (@$objs) {	830	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	832	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	833	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	834	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	835	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	836	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	837	aio_rename "$filename.pst~", "$filename.pst";
874	}	838	}
875	} else {	839	} else {
876	aio_unlink "$filename.pst";	840	aio_unlink "$filename.pst";
…		…
987	my $base = $1;	951	my $base = $1;
988	my $pkg = $1;	952	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	953	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	954	$pkg = "ext::$pkg";
991		955
992	warn "loading '$path' into '$pkg'\n";	956	warn "... loading '$path' into '$pkg'\n";
993		957
994	open my $fh, "<:utf8", $path	958	open my $fh, "<:utf8", $path
995	or die "$path: $!";	959	or die "$path: $!";
996		960
997	my $source =	961	my $source =
998	"package $pkg; use strict; use utf8;\n"	962	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	963	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	964	. (do { local $/; <$fh> })
1001	. "\n};\n1";	965	. "\n};\n1";
1002		966
1003	eval $source	967	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	968	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	969	: "extension disabled.\n";
		970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		971	warn $@;
		972	warn "mandatory extension failed to load, exiting.\n";
		973	exit 1;
		974	}
		975	die $@;
		976	}
1006		977
1007	push @EXTS, $pkg;	978	push @EXTS, $pkg;
1008	}	979	}
1009		980
1010	sub load_extensions {	981	sub load_extensions {
…		…
1016	} or warn "$ext not loaded: $@";	987	} or warn "$ext not loaded: $@";
1017	}	988	}
1018	}	989	}
1019		990
1020	#############################################################################	991	#############################################################################
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		992
1036	=head2 CORE EXTENSIONS	993	=head2 CORE EXTENSIONS
1037		994
1038	Functions and methods that extend core crossfire objects.	995	Functions and methods that extend core crossfire objects.
1039		996
…		…
1052	Returns the given player object, loading it if necessary (might block).	1009	Returns the given player object, loading it if necessary (might block).
1053		1010
1054	=cut	1011	=cut
1055		1012
1056	sub playerdir($) {	1013	sub playerdir($) {
1057	cf::localdir	1014	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1015	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1016	}
1063		1017
1064	sub path($) {	1018	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1019	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1020
1067	(playerdir $login) . "/$login.pl"	1021	(playerdir $login) . "/playerdata"
1068	}	1022	}
1069		1023
1070	sub find_active($) {	1024	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1025	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1026	and $cf::PLAYER{$_[0]}->active
…		…
1075		1029
1076	sub exists($) {	1030	sub exists($) {
1077	my ($login) = @_;	1031	my ($login) = @_;
1078		1032
1079	$cf::PLAYER{$login}	1033	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1034	or cf::sync_job { !aio_stat path $login }
1081	}	1035	}
1082		1036
1083	sub find($) {	1037	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1038	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1039	my $login = $_[0];
1086		1040
1087	my $guard = cf::lock_acquire "user_find:$login";	1041	my $guard = cf::lock_acquire "user_find:$login";
1088		1042
1089	$cf::PLAYER{$_[0]} || do {	1043	$cf::PLAYER{$_[0]} || do {
		1044	# rename old playerfiles to new ones
		1045	#TODO: remove when no longer required
		1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1049	aio_unlink +(playerdir $login) . "/$login.pl";
		1050
1090	my $pl = load_pl path $login	1051	my $pl = load_pl path $login
1091	or return;	1052	or return;
1092	$cf::PLAYER{$login} = $pl	1053	$cf::PLAYER{$login} = $pl
1093	}	1054	}
1094	}	1055	}
…		…
1131		1092
1132	=cut	1093	=cut
1133		1094
1134	sub quit_character {	1095	sub quit_character {
1135	my ($pl) = @_;	1096	my ($pl) = @_;
		1097
		1098	my $name = $pl->ob->name;
1136		1099
1137	$pl->{deny_save} = 1;	1100	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1101	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1102
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1108	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1109	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1110	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1111	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1112	$pl->destroy;
		1113
		1114	my $prefix = qr<^~\Q$name\E/>;
		1115
		1116	# nuke player maps
		1117	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1118
1150	IO::AIO::aio_rmtree $temp;	1119	IO::AIO::aio_rmtree $temp;
		1120	}
		1121
		1122	=item $pl->kick
		1123
		1124	Kicks a player out of the game. This destroys the connection.
		1125
		1126	=cut
		1127
		1128	sub kick {
		1129	my ($pl, $kicker) = @_;
		1130
		1131	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1132	$pl->killer ("kicked");
		1133	$pl->ns->destroy;
1151	}	1134	}
1152		1135
1153	=item cf::player::list_logins	1136	=item cf::player::list_logins
1154		1137
1155	Returns am arrayref of all valid playernames in the system, can take a	1138	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1139	while and may block, so not sync_job-capable, ever.
1157		1140
1158	=cut	1141	=cut
1159		1142
1160	sub list_logins {	1143	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1144	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1145	or return [];
1163		1146
1164	my @logins;	1147	my @logins;
1165		1148
1166	for my $login (@$dirs) {	1149	for my $login (@$dirs) {
…		…
1175	\@logins	1158	\@logins
1176	}	1159	}
1177		1160
1178	=item $player->maps	1161	=item $player->maps
1179		1162
1180	Returns an arrayref of cf::path's of all maps that are private for this	1163	Returns an arrayref of map paths that are private for this
1181	player. May block.	1164	player. May block.
1182		1165
1183	=cut	1166	=cut
1184		1167
1185	sub maps($) {	1168	sub maps($) {
1186	my ($pl) = @_;	1169	my ($pl) = @_;
		1170
		1171	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1172
1188	my $files = aio_readdir playerdir $pl	1173	my $files = aio_readdir playerdir $pl
1189	or return;	1174	or return;
1190		1175
1191	my @paths;	1176	my @paths;
…		…
1193	for (@$files) {	1178	for (@$files) {
1194	utf8::decode $_;	1179	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1180	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1181	next unless /^$PATH_SEP/o;
1197		1182
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1183	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1184	}
1200		1185
1201	\@paths	1186	\@paths
1202	}	1187	}
1203		1188
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1189	=item $player->ext_reply ($msgid, %msg)
1205		1190
1206	Sends an ext reply to the player.	1191	Sends an ext reply to the player.
1207		1192
1208	=cut	1193	=cut
1209		1194
1210	sub ext_reply($$$%) {	1195	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1196	my ($self, $id, %msg) = @_;
1212		1197
1213	$msg{msgid} = $id;	1198	$msg{msgid} = $id;
1214		1199
1215	$self->send ("ext " . cf::to_json \%msg);	1200	$self->send ("ext " . cf::to_json \%msg);
1216	}	1201	}
1217		1202
1218	package cf;	1203	=item $player->ext_event ($type, %msg)
		1204
		1205	Sends an ext event to the client.
		1206
		1207	=cut
		1208
		1209	sub ext_event($$%) {
		1210	my ($self, $type, %msg) = @_;
		1211
		1212	$self->ns->ext_event ($type, %msg);
		1213	}
		1214
		1215	=head3 cf::region
		1216
		1217	=over 4
		1218
		1219	=cut
		1220
		1221	package cf::region;
		1222
		1223	=item cf::region::find_by_path $path
		1224
		1225	Tries to decuce the probable region for a map knowing only its path.
		1226
		1227	=cut
		1228
		1229	sub find_by_path($) {
		1230	my ($path) = @_;
		1231
		1232	my ($match, $specificity);
		1233
		1234	for my $region (list) {
		1235	if ($region->match && $path =~ $region->match) {
		1236	($match, $specificity) = ($region, $region->specificity)
		1237	if $region->specificity > $specificity;
		1238	}
		1239	}
		1240
		1241	$match
		1242	}
1219		1243
1220	=back	1244	=back
1221
1222		1245
1223	=head3 cf::map	1246	=head3 cf::map
1224		1247
1225	=over 4	1248	=over 4
1226		1249
…		…
1229	package cf::map;	1252	package cf::map;
1230		1253
1231	use Fcntl;	1254	use Fcntl;
1232	use Coro::AIO;	1255	use Coro::AIO;
1233		1256
		1257	use overload
		1258	'""' => \&as_string,
		1259	fallback => 1;
		1260
1234	our $MAX_RESET = 3600;	1261	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1262	our $DEFAULT_RESET = 3000;
1236		1263
1237	sub generate_random_map {	1264	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1265	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1266	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1267	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1271	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1272	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1275	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1276	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1277	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1278	(cf::region::find $rmp->{region}), $rmp->{custom}
		1279	)
		1280	}
		1281
		1282	=item cf::map->register ($regex, $prio)
		1283
		1284	Register a handler for the map path matching the given regex at the
		1285	givne priority (higher is better, built-in handlers have priority 0, the
		1286	default).
		1287
		1288	=cut
		1289
		1290	sub register {
		1291	my (undef, $regex, $prio) = @_;
		1292	my $pkg = caller;
		1293
		1294	no strict;
		1295	push @{"$pkg\::ISA"}, __PACKAGE__;
		1296
		1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1298	}
		1299
		1300	# also paths starting with '/'
		1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1302
		1303	sub thawer_merge {
		1304	my ($self, $merge) = @_;
		1305
		1306	# we have to keep some variables in memory intact
		1307	local $self->{path};
		1308	local $self->{load_path};
		1309	local $self->{deny_save};
		1310	local $self->{deny_reset};
		1311
		1312	$self->SUPER::thawer_merge ($merge);
		1313	}
		1314
		1315	sub normalise {
		1316	my ($path, $base) = @_;
		1317
		1318	$path = "$path"; # make sure its a string
		1319
		1320	$path =~ s/\.map$//;
		1321
		1322	# map plan:
		1323	#
		1324	# /! non-realised random map exit (special hack!)
		1325	# {... are special paths that are not being touched
		1326	# ?xxx/... are special absolute paths
		1327	# ?random/... random maps
		1328	# /... normal maps
		1329	# ~user/... per-player map of a specific user
		1330
		1331	$path =~ s/$PATH_SEP/\//go;
		1332
		1333	# treat it as relative path if it starts with
		1334	# something that looks reasonable
		1335	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1336	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1337
		1338	$base =~ s{[^/]+/?$}{};
		1339	$path = "$base/$path";
		1340	}
		1341
		1342	for ($path) {
		1343	redo if s{//}{/};
		1344	redo if s{/\.?/}{/};
		1345	redo if s{/[^/]+/\.\./}{/};
		1346	}
		1347
		1348	$path
		1349	}
		1350
		1351	sub new_from_path {
		1352	my (undef, $path, $base) = @_;
		1353
		1354	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1355
		1356	$path = normalise $path, $base;
		1357
		1358	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1359	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1360	my $self = bless cf::map::new, $pkg;
		1361	$self->{path} = $path; $self->path ($path);
		1362	$self->init; # pass $1 etc.
		1363	return $self;
		1364	}
		1365	}
		1366
		1367	Carp::carp "unable to resolve path '$path' (base '$base').";
		1368	()
		1369	}
		1370
		1371	sub init {
		1372	my ($self) = @_;
		1373
		1374	$self
		1375	}
		1376
		1377	sub as_string {
		1378	my ($self) = @_;
		1379
		1380	"$self->{path}"
		1381	}
		1382
		1383	# the displayed name, this is a one way mapping
		1384	sub visible_name {
		1385	&as_string
		1386	}
		1387
		1388	# the original (read-only) location
		1389	sub load_path {
		1390	my ($self) = @_;
		1391
		1392	"$MAPDIR/$self->{path}.map"
		1393	}
		1394
		1395	# the temporary/swap location
		1396	sub save_path {
		1397	my ($self) = @_;
		1398
		1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1400	"$TMPDIR/$path.map"
		1401	}
		1402
		1403	# the unique path, undef == no special unique path
		1404	sub uniq_path {
		1405	my ($self) = @_;
		1406
		1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1408	"$UNIQUEDIR/$path"
1254	}	1409	}
1255		1410
1256	# and all this just because we cannot iterate over	1411	# and all this just because we cannot iterate over
1257	# all maps in C++...	1412	# all maps in C++...
1258	sub change_all_map_light {	1413	sub change_all_map_light {
…		…
1260		1415
1261	$_->change_map_light ($change)	1416	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1417	for grep $_->outdoor, values %cf::MAP;
1263	}	1418	}
1264		1419
		1420	sub unlink_save {
		1421	my ($self) = @_;
		1422
		1423	utf8::encode (my $save = $self->save_path);
		1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1425	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1426	}
		1427
1265	sub try_load_header($) {	1428	sub load_header_from($) {
1266	my ($path) = @_;	1429	my ($self, $path) = @_;
1267		1430
1268	utf8::encode $path;	1431	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1432	#aio_open $path, O_RDONLY, 0
		1433	# or return;
		1434
		1435	$self->_load_header ($path)
1270	or return;	1436	or return;
1271		1437
1272	my $map = cf::map::new	1438	$self->{load_path} = $path;
		1439
		1440	1
		1441	}
		1442
		1443	sub load_header_orig {
		1444	my ($self) = @_;
		1445
		1446	$self->load_header_from ($self->load_path)
		1447	}
		1448
		1449	sub load_header_temp {
		1450	my ($self) = @_;
		1451
		1452	$self->load_header_from ($self->save_path)
		1453	}
		1454
		1455	sub prepare_temp {
		1456	my ($self) = @_;
		1457
		1458	$self->last_access ((delete $self->{last_access})
		1459	|| $cf::RUNTIME); #d#
		1460	# safety
		1461	$self->{instantiate_time} = $cf::RUNTIME
		1462	if $self->{instantiate_time} > $cf::RUNTIME;
		1463	}
		1464
		1465	sub prepare_orig {
		1466	my ($self) = @_;
		1467
		1468	$self->{load_original} = 1;
		1469	$self->{instantiate_time} = $cf::RUNTIME;
		1470	$self->last_access ($cf::RUNTIME);
		1471	$self->instantiate;
		1472	}
		1473
		1474	sub load_header {
		1475	my ($self) = @_;
		1476
		1477	if ($self->load_header_temp) {
		1478	$self->prepare_temp;
		1479	} else {
		1480	$self->load_header_orig
1273	or return;	1481	or return;
		1482	$self->prepare_orig;
		1483	}
1274		1484
1275	# for better error messages only, will be overwritten	1485	$self->default_region (cf::region::find_by_path $self->{path})
1276	$map->path ($path);	1486	unless $self->default_region;
1277		1487
1278	$map->load_header ($path)	1488	1
1279	or return;
1280
1281	$map->{load_path} = $path;
1282
1283	$map
1284	}	1489	}
1285		1490
1286	sub find;	1491	sub find;
1287	sub find {	1492	sub find {
1288	my ($path, $origin) = @_;	1493	my ($path, $origin) = @_;
1289		1494
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1495	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1496
1295	cf::lock_wait "map_find:$key";	1497	cf::lock_wait "map_find:$path";
1296		1498
1297	$cf::MAP{$key} || do {	1499	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1500	my $guard = cf::lock_acquire "map_find:$path";
1299		1501	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;	1502	or return;
1319		1503
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;	1504	$map->{last_save} = $cf::RUNTIME;
1332		1505
1333	Coro::cede;	1506	$map->load_header
		1507	or return;
1334		1508
1335	if ($map->should_reset) {	1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1510	# doing this can freeze the server in a sync job, obviously
		1511	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1512	$map->reset;
1337	undef $guard;	1513	undef $guard;
1338	$map = find $path	1514	return find $path;
1339	or return;
1340	}	1515	}
1341		1516
1342	$cf::MAP{$key} = $map	1517	$cf::MAP{$path} = $map
1343	}	1518	}
1344	}	1519	}
		1520
		1521	sub pre_load { }
		1522	sub post_load { }
1345		1523
1346	sub load {	1524	sub load {
1347	my ($self) = @_;	1525	my ($self) = @_;
1348		1526
		1527	local $self->{deny_reset} = 1; # loading can take a long time
		1528
1349	my $path = $self->{path};	1529	my $path = $self->{path};
		1530
		1531	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1532	my $guard = cf::lock_acquire "map_load:$path";
1351		1533
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1534	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1535
1354	$self->in_memory (cf::MAP_LOADING);	1536	$self->in_memory (cf::MAP_LOADING);
1355		1537
1356	$self->alloc;	1538	$self->alloc;
		1539
		1540	$self->pre_load;
		1541	Coro::cede;
		1542
1357	$self->load_objects ($self->{load_path}, 1)	1543	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1544	or return;
1359		1545
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1547	if delete $self->{load_original};
1362		1548
1363	if (my $uniq = $path->uniq_path) {	1549	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1550	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1551	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1552	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1553	$self->_load_objects ($uniq, 0);
1368	}	1554	}
1369	}	1555	}
1370		1556
1371	Coro::cede;	1557	Coro::cede;
1372
1373	# now do the right thing for maps	1558	# now do the right thing for maps
1374	$self->link_multipart_objects;	1559	$self->link_multipart_objects;
1375
1376	if ($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)	1560	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1561	unless $self->difficulty;
		1562	Coro::cede;
		1563
		1564	unless ($self->{deny_activate}) {
		1565	$self->decay_objects;
		1566	$self->fix_auto_apply;
		1567	$self->update_buttons;
		1568	Coro::cede;
		1569	$self->set_darkness_map;
		1570	Coro::cede;
1386	$self->activate;	1571	$self->activate;
1387	}	1572	}
1388		1573
1389	Coro::cede;
1390
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1574	$self->in_memory (cf::MAP_IN_MEMORY);
		1575	}
		1576
		1577	$self->post_load;
		1578	}
		1579
		1580	sub customise_for {
		1581	my ($self, $ob) = @_;
		1582
		1583	return find "~" . $ob->name . "/" . $self->{path}
		1584	if $self->per_player;
		1585
		1586	$self
1392	}	1587	}
1393		1588
1394	# find and load all maps in the 3x3 area around a map	1589	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1590	sub load_diag {
1396	my ($map) = @_;	1591	my ($map) = @_;
…		…
1426		1621
1427	cf::sync_job { $map->load };	1622	cf::sync_job { $map->load };
1428	}	1623	}
1429		1624
1430	our %MAP_PREFETCH;	1625	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1626	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	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1627
1446	sub find_async {	1628	sub find_async {
1447	my ($path, $origin) = @_;	1629	my ($path, $origin) = @_;
1448		1630
1449	$path = new cf::path $path, $origin && $origin->path;	1631	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1632
1452	if (my $map = $cf::MAP{$key}) {	1633	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1635	}
1455		1636
1456	$MAP_PREFETCH{$key} = $path;	1637	undef $MAP_PREFETCH{$path};
		1638	$MAP_PREFETCHER ||= cf::async {
		1639	while (%MAP_PREFETCH) {
		1640	for my $path (keys %MAP_PREFETCH) {
		1641	my $map = find $path
		1642	or next;
		1643	$map->load;
		1644
		1645	delete $MAP_PREFETCH{$path};
		1646	}
		1647	}
		1648	undef $MAP_PREFETCHER;
		1649	};
1457	$MAP_PREFETCHER->ready;	1650	$MAP_PREFETCHER->prio (6);
1458		1651
1459	()	1652	()
1460	}	1653	}
1461		1654
1462	sub save {	1655	sub save {
…		…
1466		1659
1467	$self->{last_save} = $cf::RUNTIME;	1660	$self->{last_save} = $cf::RUNTIME;
1468		1661
1469	return unless $self->dirty;	1662	return unless $self->dirty;
1470		1663
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1664	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1665	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1666
1474	$self->{load_path} = $save;	1667	$self->{load_path} = $save;
1475		1668
1476	return if $self->{deny_save};	1669	return if $self->{deny_save};
1477		1670
…		…
1480	cf::async {	1673	cf::async {
1481	$_->contr->save for $self->players;	1674	$_->contr->save for $self->players;
1482	};	1675	};
1483		1676
1484	if ($uniq) {	1677	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1680	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1682	}
1490	}	1683	}
1491		1684
1492	sub swap_out {	1685	sub swap_out {
1493	my ($self) = @_;	1686	my ($self) = @_;
…		…
1507		1700
1508	sub reset_at {	1701	sub reset_at {
1509	my ($self) = @_;	1702	my ($self) = @_;
1510		1703
1511	# TODO: safety, remove and allow resettable per-player maps	1704	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};	1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1513	return 1e99 if $self->{deny_reset};	1706	return 1e99 if $self->{deny_reset};
1514		1707
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1710
…		…
1522	my ($self) = @_;	1715	my ($self) = @_;
1523		1716
1524	$self->reset_at <= $cf::RUNTIME	1717	$self->reset_at <= $cf::RUNTIME
1525	}	1718	}
1526		1719
1527	sub unlink_save {
1528	my ($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	$self->save;
1546	}
1547
1548	sub reset {	1720	sub reset {
1549	my ($self) = @_;	1721	my ($self) = @_;
1550		1722
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1723	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1724
1553	return if $self->players;	1725	return if $self->players;
1554	return if $self->{path}{user_rel};#d#	1726	return if $self->isa ("ext::map_per_player");#d#
1555		1727
1556	warn "resetting map ", $self->path;#d#	1728	warn "resetting map ", $self->path;#d#
1557		1729
		1730	$self->in_memory (cf::MAP_SWAPPED);
		1731
		1732	# need to save uniques path
		1733	unless ($self->{deny_save}) {
		1734	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1735
		1736	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1737	if $uniq;
		1738	}
		1739
1558	delete $cf::MAP{$self->path};	1740	delete $cf::MAP{$self->path};
		1741
		1742	$self->clear;
1559		1743
1560	$_->clear_links_to ($self) for values %cf::MAP;	1744	$_->clear_links_to ($self) for values %cf::MAP;
1561		1745
1562	$self->unlink_save;	1746	$self->unlink_save;
1563	$self->destroy;	1747	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	1750	my $nuke_counter = "aaaa";
1567		1751
1568	sub nuke {	1752	sub nuke {
1569	my ($self) = @_;	1753	my ($self) = @_;
1570		1754
		1755	delete $cf::MAP{$self->path};
		1756
		1757	$self->unlink_save;
		1758
		1759	bless $self, "cf::map";
		1760	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	1761	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	1762	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1764
		1765	$cf::MAP{$self->path} = $self;
		1766
1574	$self->reset; # polite request, might not happen	1767	$self->reset; # polite request, might not happen
1575	}	1768	}
1576		1769
1577	sub customise_for {
1578	my ($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	1770	=item cf::map::unique_maps
1588		1771
1589	Returns an arrayref of cf::path's of all shared maps that have	1772	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	1773	instantiated unique items. May block.
1591		1774
1592	=cut	1775	=cut
1593		1776
1594	sub unique_maps() {	1777	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1778	my $files = aio_readdir $UNIQUEDIR
1596	or return;	1779	or return;
1597		1780
1598	my @paths;	1781	my @paths;
1599		1782
1600	for (@$files) {	1783	for (@$files) {
1601	utf8::decode $_;	1784	utf8::decode $_;
1602	next if /\.pst$/;	1785	next if /\.pst$/;
1603	next unless /^$PATH_SEP/o;	1786	next unless /^$PATH_SEP/o;
1604		1787
1605	push @paths, new cf::path $_;	1788	push @paths, cf::map::normalise $_;
1606	}	1789	}
1607		1790
1608	\@paths	1791	\@paths
1609	}	1792	}
1610		1793
…		…
1685		1868
1686	=item $player_object->enter_link	1869	=item $player_object->enter_link
1687		1870
1688	Freezes the player and moves him/her to a special map (C<{link}>).	1871	Freezes the player and moves him/her to a special map (C<{link}>).
1689		1872
1690	The player should be reaosnably safe there for short amounts of time. You	1873	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	1874	I<MUST> call C<leave_link> as soon as possible, though.
1692		1875
		1876	Will never block.
		1877
1693	=item $player_object->leave_link ($map, $x, $y)	1878	=item $player_object->leave_link ($map, $x, $y)
1694		1879
1695	Moves the player out of the specila link map onto the given map. If the	1880	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	1881	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	1882	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	1883	fails, to the emergency map position.
1699		1884
1700	Might block.	1885	Might block.
1701		1886
1702	=cut	1887	=cut
		1888
		1889	sub link_map {
		1890	unless ($LINK_MAP) {
		1891	$LINK_MAP = cf::map::find "{link}"
		1892	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1893	$LINK_MAP->load;
		1894	}
		1895
		1896	$LINK_MAP
		1897	}
1703		1898
1704	sub cf::object::player::enter_link {	1899	sub cf::object::player::enter_link {
1705	my ($self) = @_;	1900	my ($self) = @_;
1706		1901
1707	$self->deactivate_recursive;	1902	$self->deactivate_recursive;
1708		1903
1709	return if $self->map == $LINK_MAP;	1904	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		1905
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	1907	if $self->map && $self->map->{path} ne "{link}";
1713		1908
1714	$self->enter_map ($LINK_MAP, 20, 20);	1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	1910	}
1716		1911
1717	sub cf::object::player::leave_link {	1912	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	1913	my ($self, $map, $x, $y) = @_;
		1914
		1915	return unless $self->contr->active;
1719		1916
1720	my $link_pos = delete $self->{_link_pos};	1917	my $link_pos = delete $self->{_link_pos};
1721		1918
1722	unless ($map) {	1919	unless ($map) {
1723	# restore original map position	1920	# restore original map position
…		…
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, $y);
1747	}	1946	}
1748		1947
1749	cf::player->attach (
1750	on_logout => sub {
1751	my ($pl) = @_;
1752
1753	# abort map switching before logout
1754	if ($pl->ob->{_link_pos}) {
1755	cf::sync_job {
1756	$pl->ob->leave_link
1757	};
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(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,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)	1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1782		1949
		1950	Moves the player to the given map-path and coordinates by first freezing
		1951	her, loading and preparing them map, calling the provided $check callback
		1952	that has to return the map if sucecssful, and then unfreezes the player on
		1953	the new (success) or old (failed) map position.
		1954
1783	=cut	1955	=cut
		1956
		1957	our $GOTOGEN;
1784		1958
1785	sub cf::object::player::goto {	1959	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	1960	my ($self, $path, $x, $y, $check) = @_;
1787		1961
1788	$path = new cf::path $path;	1962	# do generation counting so two concurrent goto's will be executed in-order
		1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		1964
1790	$self->enter_link;	1965	$self->enter_link;
1791		1966
1792	(async {	1967	(async {
		1968	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	1969	my $map = cf::map::find $path;
		1970
		1971	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	1972	$map = $map->customise_for ($self);
1795		1973	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	1974	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1976	}
1800		1977
		1978	$map
		1979	};
		1980
		1981	if ($@) {
		1982	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		1983	LOG llevError | logBacktrace, Carp::longmess $@;
		1984	}
		1985
		1986	if ($gen == $self->{_goto_generation}) {
		1987	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	1988	$self->leave_link ($map, $x, $y);
		1989	}
1802	})->prio (1);	1990	})->prio (1);
1803	}	1991	}
1804		1992
1805	=item $player_object->enter_exit ($exit_object)	1993	=item $player_object->enter_exit ($exit_object)
1806		1994
…		…
1808		1996
1809	sub parse_random_map_params {	1997	sub parse_random_map_params {
1810	my ($spec) = @_;	1998	my ($spec) = @_;
1811		1999
1812	my $rmp = { # defaults	2000	my $rmp = { # defaults
1813	xsize => 10,	2001	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2002	ysize => (cf::rndm 15, 40),
		2003	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2004	#layout => string,
1815	};	2005	};
1816		2006
1817	for (split /\n/, $spec) {	2007	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2008	my ($k, $v) = split /\s+/, $_, 2;
1819		2009
…		…
1823	$rmp	2013	$rmp
1824	}	2014	}
1825		2015
1826	sub prepare_random_map {	2016	sub prepare_random_map {
1827	my ($exit) = @_;	2017	my ($exit) = @_;
		2018
		2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2020
1829	# all this does is basically replace the /! path by	2021	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2022	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2023	# that depends on the exit object
1832		2024
1833	my $rmp = parse_random_map_params $exit->msg;	2025	my $rmp = parse_random_map_params $exit->msg;
1834		2026
1835	if ($exit->map) {	2027	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2028	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2029	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2030	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2031	$rmp->{origin_y} = $exit->y;
1840	}	2032	}
1841		2033
1842	$rmp->{random_seed} ||= $exit->random_seed;	2034	$rmp->{random_seed} ||= $exit->random_seed;
1843		2035
1844	my $data = cf::to_json $rmp;	2036	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2037	my $md5 = Digest::MD5::md5_hex $data;
		2038	my $meta = "$RANDOMDIR/$md5.meta";
1846		2039
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2041	aio_write $fh, 0, (length $data), $data, 0;
		2042	undef $fh;
		2043	aio_rename "$meta~", $meta;
1849		2044
1850	$exit->slaying ("?random/$md5");	2045	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2046	$exit->msg (undef);
1852	}	2047	}
1853	}	2048	}
1854		2049
1855	sub cf::object::player::enter_exit {	2050	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2051	my ($self, $exit) = @_;
1857		2052
1858	return unless $self->type == cf::PLAYER;	2053	return unless $self->type == cf::PLAYER;
		2054
		2055	if ($exit->slaying eq "/!") {
		2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2057	# the problem is that $exit might not survive long enough
		2058	# so it needs to be done right now, right here
		2059	cf::sync_job { prepare_random_map $exit };
		2060	}
		2061
		2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2063	my $hp = $exit->stats->hp;
		2064	my $sp = $exit->stats->sp;
1859		2065
1860	$self->enter_link;	2066	$self->enter_link;
1861		2067
1862	(async {	2068	(async {
1863	$self->deactivate_recursive; # just to be sure	2069	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2070	unless (eval {
1865	prepare_random_map $exit	2071	$self->goto ($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		2072
1871	1;	2073	1;
1872	}) {	2074	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2075	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2076	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2077	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2078	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2079
1878	warn "ERROR in enter_exit: $@";	2080	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2081	$self->leave_link;
1880	}	2082	}
1881	})->prio (1);	2083	})->prio (1);
…		…
1894		2096
1895	sub cf::client::send_drawinfo {	2097	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2098	my ($self, $text, $flags) = @_;
1897		2099
1898	utf8::encode $text;	2100	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2102	}
1901		2103
		2104	=item $client->ext_event ($type, %msg)
		2105
		2106	Sends an exti event to the client.
		2107
		2108	=cut
		2109
		2110	sub cf::client::ext_event($$%) {
		2111	my ($self, $type, %msg) = @_;
		2112
		2113	$msg{msgtype} = "event_$type";
		2114	$self->send_packet ("ext " . cf::to_json \%msg);
		2115	}
1902		2116
1903	=item $success = $client->query ($flags, "text", \&cb)	2117	=item $success = $client->query ($flags, "text", \&cb)
1904		2118
1905	Queues a query to the client, calling the given callback with	2119	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>,	2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1935	# get handled first	2149	# get handled first
1936	my $queue = delete $ns->{query_queue}	2150	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2151	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2152
1939	(shift @$queue)->[1]->($msg);	2153	(shift @$queue)->[1]->($msg);
		2154	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2155
1941	push @{ $ns->{query_queue} }, @$queue;	2156	push @{ $ns->{query_queue} }, @$queue;
1942		2157
1943	if (@{ $ns->{query_queue} } == @$queue) {	2158	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2159	if (@$queue) {
…		…
2002		2217
2003	# here we export the classes and methods available to script code	2218	# here we export the classes and methods available to script code
2004		2219
2005	=pod	2220	=pod
2006		2221
2007	The following fucntions and emthods are available within a safe environment:	2222	The following functions and methods are available within a safe environment:
2008		2223
2009	cf::object contr pay_amount pay_player map	2224	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2225	cf::object::player player
2011	cf::player peaceful	2226	cf::player peaceful
2012	cf::map trigger	2227	cf::map trigger
…		…
2097	#############################################################################	2312	#############################################################################
2098		2313
2099	=head2 EXTENSION DATABASE SUPPORT	2314	=head2 EXTENSION DATABASE SUPPORT
2100		2315
2101	Crossfire maintains a very simple database for extension use. It can	2316	Crossfire maintains a very simple database for extension use. It can
2102	currently store anything that can be serialised using Storable, which	2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2103	excludes objects.	2318	convert to/from binary).
2104		2319
2105	The parameter C<$family> should best start with the name of the extension	2320	The parameter C<$family> should best start with the name of the extension
2106	using it, it should be unique.	2321	using it, it should be unique.
2107		2322
2108	=over 4	2323	=over 4
2109		2324
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	2325	=item $value = cf::db_get $family => $key
2117		2326
2118	Returns a single value from the database	2327	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		2328
2125	=item cf::db_put $family => $key => $value	2329	=item cf::db_put $family => $key => $value
2126		2330
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you	2331	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		2332
2138	=cut	2333	=cut
2139		2334
2140	our $DB;	2335	our $DB;
2141		2336
2142	{	2337	sub db_init {
2143	my $path = cf::localdir . "/database.pst";	2338	unless ($DB) {
		2339	$DB = BDB::db_create $DB_ENV;
2144		2340
2145	sub db_load() {	2341	cf::sync_job {
2146	$DB = stat $path ? Storable::retrieve $path : { };	2342	eval {
2147	}	2343	$DB->set_flags (BDB::CHKSUM);
2148		2344
2149	my $pid;	2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2150		2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2151	sub db_save() {	2347	cf::cleanup "db_open(db): $!" if $!;
2152	waitpid $pid, 0 if $pid;	2348	};
2153	if (0 == ($pid = fork)) {	2349	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	}	2350	};
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	});	2351	}
		2352	}
2171		2353
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {	2354	sub db_get($$) {
2178	@_ >= 2	2355	my $key = "$_[0]/$_[1]";
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		2356
		2357	cf::sync_job {
		2358	BDB::db_get $DB, undef, $key, my $data;
		2359
		2360	$! ? ()
		2361	: $data
		2362	}
		2363	}
		2364
2183	sub db_put($$;$) {	2365	sub db_put($$$) {
2184	if (@_ >= 3) {	2366	BDB::dbreq_pri 4;
2185	$DB->{$_[0]}{$_[1]} = $_[2];	2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2186	} else {	2368	}
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		2369
2192	cf::global->attach (	2370	=item cf::cache $id => [$paths...], $processversion => $process
2193	prio => 10000,	2371
2194	on_cleanup => sub {	2372	Generic caching function that returns the value of the resource $id,
2195	db_sync;	2373	caching and regenerating as required.
		2374
		2375	This function can block.
		2376
		2377	=cut
		2378
		2379	sub cache {
		2380	my ($id, $src, $processversion, $process) = @_;
		2381
		2382	my $meta =
		2383	join "\x00",
		2384	$processversion,
		2385	map {
		2386	aio_stat $_
		2387	and Carp::croak "$_: $!";
		2388
		2389	($_, (stat _)[7,9])
		2390	} @$src;
		2391
		2392	my $dbmeta = db_get cache => "$id/meta";
		2393	if ($dbmeta ne $meta) {
		2394	# changed, we may need to process
		2395
		2396	my @data;
		2397	my $md5;
		2398
		2399	for (0 .. $#$src) {
		2400	0 <= aio_load $src->[$_], $data[$_]
		2401	or Carp::croak "$src->[$_]: $!";
2196	},	2402	}
2197	);	2403
		2404	# if processing is expensive, check
		2405	# checksum first
		2406	if (1) {
		2407	$md5 =
		2408	join "\x00",
		2409	$processversion,
		2410	map {
		2411	Coro::cede;
		2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2413	} 0.. $#$src;
		2414
		2415
		2416	my $dbmd5 = db_get cache => "$id/md5";
		2417	if ($dbmd5 eq $md5) {
		2418	db_put cache => "$id/meta", $meta;
		2419
		2420	return db_get cache => "$id/data";
		2421	}
		2422	}
		2423
		2424	my $t1 = Time::HiRes::time;
		2425	my $data = $process->(\@data);
		2426	my $t2 = Time::HiRes::time;
		2427
		2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2429
		2430	db_put cache => "$id/data", $data;
		2431	db_put cache => "$id/md5" , $md5;
		2432	db_put cache => "$id/meta", $meta;
		2433
		2434	return $data;
		2435	}
		2436
		2437	db_get cache => "$id/data"
		2438	}
		2439
		2440	=item fork_call { }, $args
		2441
		2442	Executes the given code block with the given arguments in a seperate
		2443	process, returning the results. Everything must be serialisable with
		2444	Coro::Storable. May, of course, block. Note that the executed sub may
		2445	never block itself or use any form of Event handling.
		2446
		2447	=cut
		2448
		2449	sub fork_call(&@) {
		2450	my ($cb, @args) = @_;
		2451
		2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2453	# or die "socketpair: $!";
		2454	pipe my $fh1, my $fh2
		2455	or die "pipe: $!";
		2456
		2457	if (my $pid = fork) {
		2458	close $fh2;
		2459
		2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2461	$res = Coro::Storable::thaw $res;
		2462
		2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2464
		2465	die $$res unless "ARRAY" eq ref $res;
		2466
		2467	return wantarray ? @$res : $res->[-1];
		2468	} else {
		2469	reset_signals;
		2470	local $SIG{__WARN__};
		2471	local $SIG{__DIE__};
		2472	eval {
		2473	close $fh1;
		2474
		2475	my @res = eval { $cb->(@args) };
		2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2477	};
		2478
		2479	warn $@ if $@;
		2480	_exit 0;
		2481	}
2198	}	2482	}
2199		2483
2200	#############################################################################	2484	#############################################################################
2201	# the server's main()	2485	# the server's init and main functions
		2486
		2487	sub load_facedata($) {
		2488	my ($path) = @_;
		2489
		2490	warn "loading facedata from $path\n";
		2491
		2492	my $facedata;
		2493	0 < aio_load $path, $facedata
		2494	or die "$path: $!";
		2495
		2496	$facedata = Coro::Storable::thaw $facedata;
		2497
		2498	$facedata->{version} == 2
		2499	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2500
		2501	{
		2502	my $faces = $facedata->{faceinfo};
		2503
		2504	while (my ($face, $info) = each %$faces) {
		2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2509	Coro::cede;
		2510	}
		2511
		2512	while (my ($face, $info) = each %$faces) {
		2513	next unless $info->{smooth};
		2514	my $idx = cf::face::find $face
		2515	or next;
		2516	if (my $smooth = cf::face::find $info->{smooth}) {
		2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2518	} else {
		2519	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2520	}
		2521	Coro::cede;
		2522	}
		2523	}
		2524
		2525	{
		2526	my $anims = $facedata->{animinfo};
		2527
		2528	while (my ($anim, $info) = each %$anims) {
		2529	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2530	Coro::cede;
		2531	}
		2532
		2533	cf::anim::invalidate_all; # d'oh
		2534	}
		2535
		2536	1
		2537	}
		2538
		2539	sub reload_regions {
		2540	load_resource_file "$MAPDIR/regions"
		2541	or die "unable to load regions file\n";
		2542	}
		2543
		2544	sub reload_facedata {
		2545	load_facedata "$DATADIR/facedata"
		2546	or die "unable to load facedata\n";
		2547	}
		2548
		2549	sub reload_archetypes {
		2550	load_resource_file "$DATADIR/archetypes"
		2551	or die "unable to load archetypes\n";
		2552	}
		2553
		2554	sub reload_treasures {
		2555	load_resource_file "$DATADIR/treasures"
		2556	or die "unable to load treasurelists\n";
		2557	}
		2558
		2559	sub reload_resources {
		2560	warn "reloading resource files...\n";
		2561
		2562	reload_regions;
		2563	reload_facedata;
		2564	reload_archetypes;
		2565	reload_treasures;
		2566
		2567	warn "finished reloading resource files\n";
		2568	}
		2569
		2570	sub init {
		2571	reload_resources;
		2572	}
2202		2573
2203	sub cfg_load {	2574	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2575	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2576	or return;
2206		2577
2207	local $/;	2578	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2579	*CFG = YAML::Syck::Load <$fh>;
2209		2580
…		…
2223		2594
2224	sub main {	2595	sub main {
2225	# we must not ever block the main coroutine	2596	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2597	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2598	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2599	(async {
2228	async { Event::one_event };	2600	Event::one_event;
		2601	})->prio (Coro::PRIO_MAX);
2229	};	2602	};
2230		2603
2231	cfg_load;	2604	cfg_load;
2232	db_load;	2605	db_init;
2233	load_extensions;	2606	load_extensions;
		2607
		2608	$TICK_WATCHER->start;
2234	Event::loop;	2609	Event::loop;
2235	}	2610	}
2236		2611
2237	#############################################################################	2612	#############################################################################
2238	# initialisation and cleanup	2613	# initialisation and cleanup
2239		2614
2240	# install some emergency cleanup handlers	2615	# install some emergency cleanup handlers
2241	BEGIN {	2616	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2617	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2618	Event->signal (
		2619	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2620	data => WF_AUTOCANCEL,
2245	signal => $signal,	2621	signal => $signal,
		2622	prio => 0,
2246	cb => sub {	2623	cb => sub {
2247	cf::cleanup "SIG$signal";	2624	cf::cleanup "SIG$signal";
2248	},	2625	},
2249	);	2626	);
2250	}	2627	}
2251	}	2628	}
…		…
2256	warn "enter emergency perl save\n";	2633	warn "enter emergency perl save\n";
2257		2634
2258	cf::sync_job {	2635	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2636	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2637	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2638	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2639	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2640	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2641	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2642	$pl->valid or next;
2266	$pl->save;	2643	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2649	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2650	$map->valid or next;
2274	$map->save;	2651	$map->save;
2275	}	2652	}
2276	warn "end emergency map save\n";	2653	warn "end emergency map save\n";
		2654
		2655	warn "begin emergency database checkpoint\n";
		2656	BDB::db_env_txn_checkpoint $DB_ENV;
		2657	warn "end emergency database checkpoint\n";
2277	};	2658	};
2278		2659
2279	warn "leave emergency perl save\n";	2660	warn "leave emergency perl save\n";
2280	}	2661	}
2281		2662
		2663	sub post_cleanup {
		2664	my ($make_core) = @_;
		2665
		2666	warn Carp::longmess "post_cleanup backtrace"
		2667	if $make_core;
		2668	}
		2669
2282	sub reload() {	2670	sub do_reload_perl() {
2283	# can/must only be called in main	2671	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2672	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2673	warn "can only reload from main coroutine";
2286	return;	2674	return;
2287	}	2675	}
2288		2676
2289	warn "reloading...";	2677	warn "reloading...";
2290		2678
2291	warn "freezing server";	2679	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2680
		2681	cf::sync_job {
		2682	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2683	cf::emergency_save;
		2684	cf::write_runtime; # external watchdog should not bark
2294		2685
2295	warn "sync database to disk";	2686	warn "syncing database to disk";
2296	cf::db_sync;	2687	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2688
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2689	# if anything goes wrong in here, we should simply crash as we already saved
2301		2690
2302	warn "cancel all watchers";	2691	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2692	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2693	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2694	}
2306		2695
		2696	warn "flushing outstanding aio requests";
		2697	for (;;) {
		2698	BDB::flush;
		2699	IO::AIO::flush;
		2700	Coro::cede;
		2701	last unless IO::AIO::nreqs || BDB::nreqs;
		2702	warn "iterate...";
		2703	}
		2704
		2705	++$RELOAD;
		2706
2307	warn "cancel all extension coros";	2707	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2708	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2709	%EXT_CORO = ();
2310		2710
2311	warn "remove commands";	2711	warn "removing commands";
2312	%COMMAND = ();	2712	%COMMAND = ();
2313		2713
2314	warn "remove ext commands";	2714	warn "removing ext commands";
2315	%EXTCMD = ();	2715	%EXTCMD = ();
2316		2716
2317	warn "unload/nuke all extensions";	2717	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2718	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	2719	warn "... unloading $pkg";
2320		2720
2321	if (my $cb = $pkg->can ("unload")) {	2721	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2722	eval {
2323	$cb->($pkg);	2723	$cb->($pkg);
2324	1	2724	1
2325	} or warn "$pkg unloaded, but with errors: $@";	2725	} or warn "$pkg unloaded, but with errors: $@";
2326	}	2726	}
2327		2727
		2728	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	2729	Symbol::delete_package $pkg;
2329	}	2730	}
2330		2731
2331	warn "unload all perl modules loaded from $LIBDIR";	2732	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	2733	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		2735
2335	warn "removing <$k>";	2736	warn "... unloading $k";
2336	delete $INC{$k};	2737	delete $INC{$k};
2337		2738
2338	$k =~ s/\.pm$//;	2739	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	2740	$k =~ s/\//::/g;
2340		2741
…		…
2343	}	2744	}
2344		2745
2345	Symbol::delete_package $k;	2746	Symbol::delete_package $k;
2346	}	2747	}
2347		2748
2348	warn "get rid of safe::, as good as possible";	2749	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	2750	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2751	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		2752
2352	warn "unload cf.pm \"a bit\"";	2753	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	2754	delete $INC{"cf.pm"};
		2755	delete $INC{"cf/pod.pm"};
2354		2756
2355	# don't, removes xs symbols, too,	2757	# don't, removes xs symbols, too,
2356	# and global variables created in xs	2758	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	2759	#Symbol::delete_package __PACKAGE__;
2358		2760
		2761	warn "unload completed, starting to reload now";
		2762
2359	warn "reloading cf.pm";	2763	warn "reloading cf.pm";
2360	require cf;	2764	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		2766
2363	warn "load config and database again";	2767	warn "loading config and database again";
2364	cf::cfg_load;	2768	cf::cfg_load;
2365	cf::db_load;
2366		2769
2367	warn "load extensions";	2770	warn "loading extensions";
2368	cf::load_extensions;	2771	cf::load_extensions;
2369		2772
2370	warn "reattach attachments to objects/players";	2773	warn "reattaching attachments to objects/players";
2371	_global_reattach;	2774	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	2775	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	2776	reattach $_ for values %MAP;
2374	};	2777	warn "reattaching attachments to players";
		2778	reattach $_ for values %PLAYER;
2375		2779
2376	if ($@) {	2780	warn "leaving sync_job";
		2781
		2782	1
		2783	} or do {
2377	warn $@;	2784	warn $@;
2378	warn "error while reloading, exiting.";	2785	warn "error while reloading, exiting.";
2379	exit 1;	2786	exit 1;
2380	}	2787	};
2381		2788
2382	warn "reloaded";	2789	warn "reloaded";
2383	};	2790	};
2384		2791
2385	#############################################################################	2792	our $RELOAD_WATCHER; # used only during reload
2386		2793
2387	unless ($LINK_MAP) {	2794	sub reload_perl() {
2388	$LINK_MAP = cf::map::new;	2795	# doing reload synchronously and two reloads happen back-to-back,
		2796	# coro crashes during coro_state_free->destroy here.
2389		2797
2390	$LINK_MAP->width (41);	2798	$RELOAD_WATCHER ||= Event->timer (
2391	$LINK_MAP->height (41);	2799	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,	2800	after => 0,
		2801	data => WF_AUTOCANCEL,
2400	cb => sub {	2802	cb => sub {
2401	$_[0]->w->cancel;	2803	do_reload_perl;
2402		2804	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	});	2805	},
2421		2806	);
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	2807	}
2427		2808
2428	register_command "reload" => sub {	2809	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	2810	my ($who, $arg) = @_;
2430		2811
2431	if ($who->flag (FLAG_WIZ)) {	2812	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	2813	$who->message ("reloading server.");
		2814	async { reload_perl };
2435	}	2815	}
2436	};	2816	};
2437		2817
2438	unshift @INC, $LIBDIR;	2818	unshift @INC, $LIBDIR;
2439		2819
		2820	my $bug_warning = 0;
		2821
		2822	our @WAIT_FOR_TICK;
		2823	our @WAIT_FOR_TICK_BEGIN;
		2824
		2825	sub wait_for_tick {
		2826	return unless $TICK_WATCHER->is_active;
		2827	return if $Coro::current == $Coro::main;
		2828
		2829	my $signal = new Coro::Signal;
		2830	push @WAIT_FOR_TICK, $signal;
		2831	$signal->wait;
		2832	}
		2833
		2834	sub wait_for_tick_begin {
		2835	return unless $TICK_WATCHER->is_active;
		2836	return if $Coro::current == $Coro::main;
		2837
		2838	my $signal = new Coro::Signal;
		2839	push @WAIT_FOR_TICK_BEGIN, $signal;
		2840	$signal->wait;
		2841	}
		2842
		2843	my $min = 1e6;#d#
		2844	my $avg = 10;
2440	$TICK_WATCHER = Event->timer (	2845	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	2846	reentrant => 0,
		2847	parked => 1,
2442	prio => 0,	2848	prio => 0,
2443	at => $NEXT_TICK || $TICK,	2849	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	2850	data => WF_AUTOCANCEL,
2445	cb => sub {	2851	cb => sub {
		2852	if ($Coro::current != $Coro::main) {
		2853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2854	unless ++$bug_warning > 10;
		2855	return;
		2856	}
		2857
		2858	$NOW = $tick_start = Event::time;
		2859
2446	cf::server_tick; # one server iteration	2860	cf::server_tick; # one server iteration
		2861
		2862	0 && sync_job {#d#
		2863	for(1..10) {
		2864	my $t = Event::time;
		2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2866	or die;
		2867
		2868	$map->width (50);
		2869	$map->height (50);
		2870	$map->alloc;
		2871	$map->_load_objects ("/tmp/x.map", 1);
		2872	my $t = Event::time - $t;
		2873
		2874	#next unless $t < 0.0013;#d#
		2875	if ($t < $min) {
		2876	$min = $t;
		2877	}
		2878	$avg = $avg * 0.99 + $t * 0.01;
		2879	}
		2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2881	exit 0;
		2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2883	};
		2884
2447	$RUNTIME += $TICK;	2885	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	2886	$NEXT_TICK += $TICK;
2449		2887
2450	$WAIT_FOR_TICK->broadcast;	2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2889	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2890	Coro::async_pool {
		2891	write_runtime
		2892	or warn "ERROR: unable to write runtime file: $!";
		2893	};
		2894	}
		2895
		2896	# my $AFTER = Event::time;
		2897	# warn $AFTER - $NOW;#d#
		2898
		2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2900	$sig->send;
		2901	}
		2902	while (my $sig = shift @WAIT_FOR_TICK) {
		2903	$sig->send;
		2904	}
		2905
		2906	$NOW = Event::time;
2452		2907
2453	# if we are delayed by four ticks or more, skip them all	2908	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2909	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2455		2910
2456	$TICK_WATCHER->at ($NEXT_TICK);	2911	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	2912	$TICK_WATCHER->start;
		2913
		2914	$LOAD = ($NOW - $tick_start) / $TICK;
		2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2916
		2917	_post_tick;
		2918
		2919
2458	},	2920	},
2459	);	2921	);
2460		2922
		2923	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	2924	BDB::max_poll_time $TICK * 0.1;
2462		2925	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	2926	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	2927	fd => BDB::poll_fileno,
2465	poll => 'r',	2928	poll => 'r',
2466	prio => 5,	2929	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	2930	data => WF_AUTOCANCEL,
2473	after => 0,	2931	cb => \&BDB::poll_cb,
2474	interval => 10,	2932	);
2475	cb => sub {	2933	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	2934
2477	write_runtime	2935	BDB::set_sync_prepare {
2478	or warn "ERROR: unable to write runtime file: $!";	2936	my $status;
		2937	my $current = $Coro::current;
		2938	(
		2939	sub {
		2940	$status = $!;
		2941	$current->ready; undef $current;
		2942	},
		2943	sub {
		2944	Coro::schedule while defined $current;
		2945	$! = $status;
		2946	},
		2947	)
		2948	};
		2949
		2950	unless ($DB_ENV) {
		2951	$DB_ENV = BDB::db_env_create;
		2952
		2953	cf::sync_job {
		2954	eval {
		2955	BDB::db_env_open
		2956	$DB_ENV,
		2957	$BDBDIR,
		2958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2960	0666;
		2961
		2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2963
		2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2965	$DB_ENV->set_lk_detect;
		2966	};
		2967
		2968	cf::cleanup "db_env_open(db): $@" if $@;
2479	})->();	2969	};
2480	},	2970	}
2481	);	2971	}
		2972
		2973	{
		2974	IO::AIO::min_parallel 8;
		2975
		2976	undef $Coro::AIO::WATCHER;
		2977	IO::AIO::max_poll_time $TICK * 0.1;
		2978	$AIO_POLL_WATCHER = Event->io (
		2979	reentrant => 0,
		2980	data => WF_AUTOCANCEL,
		2981	fd => IO::AIO::poll_fileno,
		2982	poll => 'r',
		2983	prio => 6,
		2984	cb => \&IO::AIO::poll_cb,
		2985	);
		2986	}
		2987
		2988	my $_log_backtrace;
		2989
		2990	sub _log_backtrace {
		2991	my ($msg, @addr) = @_;
		2992
		2993	$msg =~ s/\n//;
		2994
		2995	# limit the # of concurrent backtraces
		2996	if ($_log_backtrace < 2) {
		2997	++$_log_backtrace;
		2998	async {
		2999	my @bt = fork_call {
		3000	@addr = map { sprintf "%x", $_ } @addr;
		3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3002	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3003	or die "addr2line: $!";
		3004
		3005	my @funcs;
		3006	my @res = <$fh>;
		3007	chomp for @res;
		3008	while (@res) {
		3009	my ($func, $line) = splice @res, 0, 2, ();
		3010	push @funcs, "[$func] $line";
		3011	}
		3012
		3013	@funcs
		3014	};
		3015
		3016	LOG llevInfo, "[ABT] $msg\n";
		3017	LOG llevInfo, "[ABT] $_\n" for @bt;
		3018	--$_log_backtrace;
		3019	};
		3020	} else {
		3021	LOG llevInfo, "[ABT] $msg\n";
		3022	LOG llevInfo, "[ABT] [suppressed]\n";
		3023	}
		3024	}
		3025
		3026	# load additional modules
		3027	use cf::pod;
2482		3028
2483	END { cf::emergency_save }	3029	END { cf::emergency_save }
2484		3030
2485	1	3031	1
2486		3032

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