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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 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
35		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
39		56
		57	our $RELOAD; # number of reloads so far
40	our @EVENT;	58	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		59
43	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(!)
44	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	76	our $NEXT_TICK;
46	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;
47		82
48	our %CFG;	83	our %CFG;
49		84
50	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	86	our $RUNTIME;
52		87
53	our %PLAYER; # all users	88	our %PLAYER; # all users
54	our %MAP; # all maps	89	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		91
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
60	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 $tick_start; # for load detecting purposes
61		98
62	binmode STDOUT;	99	binmode STDOUT;
63	binmode STDERR;	100	binmode STDERR;
64		101
65	# read virtual server time, if available	102	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
70	}	107	}
71		108
72	mkdir cf::localdir;	109	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		111
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
81		115
82	#############################################################################	116	#############################################################################
83		117
84	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
85		119
…		…
92	=item $cf::RUNTIME	126	=item $cf::RUNTIME
93		127
94	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
95	every server tick.	129	every server tick.
96		130
97	=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
98		134
99	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
100	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.
101		139
102	=item $cf::NOW	140	=item $cf::NOW
103		141
104	The time of the last (current) server tick.	142	The time of the last (current) server tick.
105		143
106	=item $cf::TICK	144	=item $cf::TICK
107		145
108	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.
109		157
110	=item %cf::CFG	158	=item %cf::CFG
111		159
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	161	from wherever your confdir points to.
114		162
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		164
117	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
118	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
119	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.
120	window of cpu time available, or simply to synchronise to the server tick.
121		168
122	=back	169	=back
123		170
124	=cut	171	=cut
125		172
126	BEGIN {	173	BEGIN {
127	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	175	my $msg = join "", @_;
129	utf8::encode $msg;
130		176
131	$msg .= "\n"	177	$msg .= "\n"
132	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
133		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
134	LOG llevError, $msg;	183	LOG llevError, $msg;
135	};	184	};
136	}	185	}
137		186
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
156	}	205	}
157		206
158	$Event::DIED = sub {	207	$Event::DIED = sub {
159	warn "error in event callback: @_";	208	warn "error in event callback: @_";
160	};	209	};
161
162	my %ext_pkg;
163	my @exts;
164	my @hook;
165		210
166	=head2 UTILITY FUNCTIONS	211	=head2 UTILITY FUNCTIONS
167		212
168	=over 4	213	=over 4
169		214
…		…
188	$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;
189	$d	234	$d
190	} || "[unable to dump $_[0]: '$@']";	235	} || "[unable to dump $_[0]: '$@']";
191	}	236	}
192		237
193	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
194		239
195	=item $ref = cf::from_json $json	240	=item $ref = cf::from_json $json
196		241
197	Converts a JSON string into the corresponding perl data structure.	242	Converts a JSON string into the corresponding perl data structure.
198		243
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	244	=item $json = cf::to_json $ref
207		245
208	Converts a perl data structure into its JSON representation.	246	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		247
217	=item cf::lock_wait $string	248	=item cf::lock_wait $string
218		249
219	Wait until the given lock is available. See cf::lock_acquire.	250	Wait until the given lock is available. See cf::lock_acquire.
220		251
…		…
226	returned.	257	returned.
227		258
228	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
229	uses map_find and cf::map::load uses map_load).	260	uses map_find and cf::map::load uses map_load).
230		261
		262	=item $locked = cf::lock_active $string
		263
		264	Return true if the lock is currently active, i.e. somebody has locked it.
		265
231	=cut	266	=cut
232		267
233	our %LOCK;	268	our %LOCK;
234		269
235	sub lock_wait($) {	270	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	289	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	290	$_->ready for @{ delete $LOCK{$key} };
256	}	291	}
257	}	292	}
258		293
		294	sub lock_active($) {
		295	my ($key) = @_;
		296
		297	! ! $LOCK{$key}
		298	}
		299
259	sub freeze_mainloop {	300	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	301	return unless $TICK_WATCHER->is_active;
261		302
262	my $guard = Coro::guard { $TICK_WATCHER->start };	303	my $guard = Coro::guard {
		304	$TICK_WATCHER->start;
		305	};
263	$TICK_WATCHER->stop;	306	$TICK_WATCHER->stop;
264	$guard	307	$guard
265	}	308	}
266		309
267	=item cf::async { BLOCK }	310	=item cf::async { BLOCK }
…		…
289		332
290	sub sync_job(&) {	333	sub sync_job(&) {
291	my ($job) = @_;	334	my ($job) = @_;
292		335
293	if ($Coro::current == $Coro::main) {	336	if ($Coro::current == $Coro::main) {
		337	my $time = Event::time;
		338
294	# this is the main coro, too bad, we have to block	339	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	340	# till the operation succeeds, freezing the server :/
296		341
297	# TODO: use suspend/resume instead	342	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	343	# (but this is cancel-safe)
…		…
309		354
310	while ($busy) {	355	while ($busy) {
311	Coro::cede or Event::one_event;	356	Coro::cede or Event::one_event;
312	}	357	}
313		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
314	wantarray ? @res : $res[0]	366	wantarray ? @res : $res[0]
315	} else {	367	} else {
316	# we are in another coroutine, how wonderful, everything just works	368	# we are in another coroutine, how wonderful, everything just works
317		369
318	$job->()	370	$job->()
319	}	371	}
320	}	372	}
321		373
322	=item $coro = cf::async_ext { BLOCK }	374	=item $coro = cf::async_ext { BLOCK }
323		375
324	Like async, but this coro is automcatially being canceled when the	376	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	377	extension calling this is being unloaded.
326		378
327	=cut	379	=cut
328		380
329	sub async_ext(&) {	381	sub async_ext(&) {
…		…
338		390
339	$coro	391	$coro
340	}	392	}
341		393
342	sub write_runtime {	394	sub write_runtime {
343	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";
344		405
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	407	or return;
347		408
		409	my $value = $cf::RUNTIME + 90 + 10;
348	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
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	413	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	414	and return;
351		415
		416	# always fsync - this file is important
352	aio_fsync $fh	417	aio_fsync $fh
353	and return;	418	and return;
354		419
		420	# touch it again to show we are up-to-date
		421	utime undef, undef, $fh;
		422
355	close $fh	423	close $fh
356	or return;	424	or return;
357		425
358	aio_rename "$runtime~", $runtime	426	aio_rename "$runtime~", $runtime
359	and return;	427	and return;
360		428
		429	warn "runtime file written.\n";#d#
		430
361	1	431	1
362	}	432	}
363		433
		434	=item cf::datalog type => key => value, ...
		435
		436	Log a datalog packet of the given type with the given key-value pairs.
		437
		438	=cut
		439
		440	sub datalog($@) {
		441	my ($type, %kv) = @_;
		442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		443	}
		444
364	=back	445	=back
365		446
366	=cut	447	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494		448
495	#############################################################################	449	#############################################################################
496		450
497	=head2 ATTACHABLE OBJECTS	451	=head2 ATTACHABLE OBJECTS
498		452
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	578	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	579	our @CB_MAP = ();
626		580
627	my %attachment;	581	my %attachment;
628		582
		583	sub cf::attachable::thawer_merge {
		584	# simply override everything except _meta
		585	local $_[0]{_meta};
		586	%{$_[0]} = %{$_[1]};
		587	}
		588
629	sub _attach_cb($$$$) {	589	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	590	my ($registry, $event, $prio, $cb) = @_;
631		591
632	use sort 'stable';	592	use sort 'stable';
633		593
…		…
667	$registry = $CB_TYPE[$object_type] ||= [];	627	$registry = $CB_TYPE[$object_type] ||= [];
668		628
669	} elsif ($type eq "subtype") {	629	} elsif ($type eq "subtype") {
670	defined $object_type or Carp::croak "subtype specified without type";	630	defined $object_type or Carp::croak "subtype specified without type";
671	my $object_subtype = shift @arg;	631	my $object_subtype = shift @arg;
672	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
673		633
674	} elsif ($type eq "package") {	634	} elsif ($type eq "package") {
675	my $pkg = shift @arg;	635	my $pkg = shift @arg;
676		636
677	while (my ($name, $id) = each %cb_id) {	637	while (my ($name, $id) = each %cb_id) {
…		…
718	if (ref $_[0]) {	678	if (ref $_[0]) {
719	_object_attach @_;	679	_object_attach @_;
720	} else {	680	} else {
721	_attach shift->_attach_registry, @_;	681	_attach shift->_attach_registry, @_;
722	}	682	}
		683	_recalc_want;
723	};	684	};
724		685
725	# all those should be optimised	686	# all those should be optimised
726	sub cf::attachable::detach {	687	sub cf::attachable::detach {
727	my ($obj, $name) = @_;	688	my ($obj, $name) = @_;
…		…
730	delete $obj->{_attachment}{$name};	691	delete $obj->{_attachment}{$name};
731	reattach ($obj);	692	reattach ($obj);
732	} else {	693	} else {
733	Carp::croak "cannot, currently, detach class attachments";	694	Carp::croak "cannot, currently, detach class attachments";
734	}	695	}
		696	_recalc_want;
735	};	697	};
736		698
737	sub cf::attachable::attached {	699	sub cf::attachable::attached {
738	my ($obj, $name) = @_;	700	my ($obj, $name) = @_;
739		701
…		…
804	# object support	766	# object support
805		767
806	sub reattach {	768	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	769	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	770	my ($obj) = @_;
		771
		772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		773
810	my $registry = $obj->registry;	774	my $registry = $obj->registry;
811		775
812	@$registry = ();	776	@$registry = ();
813		777
…		…
860	$filename, length $$rdata, scalar @$objs;	824	$filename, length $$rdata, scalar @$objs;
861		825
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	827	chmod SAVE_MODE, $fh;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865	aio_fsync $fh;	829	aio_fsync $fh if $cf::USE_FSYNC;
866	close $fh;	830	close $fh;
867		831
868	if (@$objs) {	832	if (@$objs) {
869	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) {
870	chmod SAVE_MODE, $fh;	834	chmod SAVE_MODE, $fh;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	835	my $data = Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	836	aio_write $fh, 0, (length $data), $data, 0;
873	aio_fsync $fh;	837	aio_fsync $fh if $cf::USE_FSYNC;
874	close $fh;	838	close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	839	aio_rename "$filename.pst~", "$filename.pst";
876	}	840	}
877	} else {	841	} else {
878	aio_unlink "$filename.pst";	842	aio_unlink "$filename.pst";
…		…
945	=cut	909	=cut
946		910
947	sub register_extcmd {	911	sub register_extcmd {
948	my ($name, $cb) = @_;	912	my ($name, $cb) = @_;
949		913
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	914	$EXTCMD{$name} = $cb;
954	}	915	}
955		916
956	cf::player->attach (	917	cf::player->attach (
957	on_command => sub {	918	on_command => sub {
958	my ($pl, $name, $params) = @_;	919	my ($pl, $name, $params) = @_;
…		…
971		932
972	my $msg = eval { from_json $buf };	933	my $msg = eval { from_json $buf };
973		934
974	if (ref $msg) {	935	if (ref $msg) {
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	937	if (my %reply = $cb->($pl, $msg)) {
977	$pl->ext_reply ($msg->{msgid}, %reply);	938	$pl->ext_reply ($msg->{msgid}, %reply);
978	}	939	}
979	}	940	}
980	} else {	941	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
983		944
984	cf::override;	945	cf::override;
985	},	946	},
986	);	947	);
987		948
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {	949	sub load_extension {
995	my ($path) = @_;	950	my ($path) = @_;
996		951
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;	953	my $base = $1;
999	my $pkg = $1;	954	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;	955	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";	956	$pkg = "ext::$pkg";
1002		957
1003	warn "loading '$path' into '$pkg'\n";	958	warn "... loading '$path' into '$pkg'\n";
1004		959
1005	open my $fh, "<:utf8", $path	960	open my $fh, "<:utf8", $path
1006	or die "$path: $!";	961	or die "$path: $!";
1007		962
1008	my $source =	963	my $source =
1009	"package $pkg; use strict; use utf8;\n"	964	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"	965	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })	966	. (do { local $/; <$fh> })
1012	. "\n};\n1";	967	. "\n};\n1";
1013		968
1014	eval $source	969	unless (eval $source) {
1015	or die $@ ? "$path: $@\n"	970	my $msg = $@ ? "$path: $@\n"
1016	: "extension disabled.\n";	971	: "extension disabled.\n";
1017		972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1018	push @exts, $pkg;	973	warn $@;
1019	$ext_pkg{$base} = $pkg;	974	warn "mandatory extension failed to load, exiting.\n";
1020		975	exit 1;
1021	# no strict 'refs';	976	}
1022	# @{"$pkg\::ISA"} = ext::;	977	die $@;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }	978	}
1037		979
1038	# remove commands	980	push @EXTS, $pkg;
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}
1047	}
1048
1049	# remove extcmds
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}	981	}
1063		982
1064	sub load_extensions {	983	sub load_extensions {
1065	for my $ext (<$LIBDIR/*.ext>) {	984	for my $ext (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	985	next unless -r $ext;
…		…
1070	} or warn "$ext not loaded: $@";	989	} or warn "$ext not loaded: $@";
1071	}	990	}
1072	}	991	}
1073		992
1074	#############################################################################	993	#############################################################################
1075	# load/save/clean perl data associated with a map
1076
1077	*cf::mapsupport::on_clean = sub {
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		994
1090	=head2 CORE EXTENSIONS	995	=head2 CORE EXTENSIONS
1091		996
1092	Functions and methods that extend core crossfire objects.	997	Functions and methods that extend core crossfire objects.
1093		998
…		…
1106	Returns the given player object, loading it if necessary (might block).	1011	Returns the given player object, loading it if necessary (might block).
1107		1012
1108	=cut	1013	=cut
1109		1014
1110	sub playerdir($) {	1015	sub playerdir($) {
1111	cf::localdir	1016	"$PLAYERDIR/"
1112	. "/"
1113	. cf::playerdir
1114	. "/"
1115	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1017	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1116	}	1018	}
1117		1019
1118	sub path($) {	1020	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1021	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		1022
1121	(playerdir $login) . "/$login.pl"	1023	(playerdir $login) . "/playerdata"
1122	}	1024	}
1123		1025
1124	sub find_active($) {	1026	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	1027	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	1028	and $cf::PLAYER{$_[0]}->active
…		…
1129		1031
1130	sub exists($) {	1032	sub exists($) {
1131	my ($login) = @_;	1033	my ($login) = @_;
1132		1034
1133	$cf::PLAYER{$login}	1035	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	1036	or cf::sync_job { !aio_stat path $login }
1135	}	1037	}
1136		1038
1137	sub find($) {	1039	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	1040	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	1041	my $login = $_[0];
1140		1042
1141	my $guard = cf::lock_acquire "user_find:$login";	1043	my $guard = cf::lock_acquire "user_find:$login";
1142		1044
1143	$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
1144	my $pl = load_pl path $login	1053	my $pl = load_pl path $login
1145	or return;	1054	or return;
1146	$cf::PLAYER{$login} = $pl	1055	$cf::PLAYER{$login} = $pl
1147	}	1056	}
1148	}	1057	}
…		…
1185		1094
1186	=cut	1095	=cut
1187		1096
1188	sub quit_character {	1097	sub quit_character {
1189	my ($pl) = @_;	1098	my ($pl) = @_;
		1099
		1100	my $name = $pl->ob->name;
1190		1101
1191	$pl->{deny_save} = 1;	1102	$pl->{deny_save} = 1;
1192	$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
1193		1104
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1199	my $path = playerdir $pl;	1110	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1111	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1112	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1113	delete $cf::PLAYER{$pl->ob->name};
1203	$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
1204	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;
1205	}	1136	}
1206		1137
1207	=item cf::player::list_logins	1138	=item cf::player::list_logins
1208		1139
1209	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
1210	while and may block, so not sync_job-capable, ever.	1141	while and may block, so not sync_job-capable, ever.
1211		1142
1212	=cut	1143	=cut
1213		1144
1214	sub list_logins {	1145	sub list_logins {
1215	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1146	my $dirs = aio_readdir $PLAYERDIR
1216	or return [];	1147	or return [];
1217		1148
1218	my @logins;	1149	my @logins;
1219		1150
1220	for my $login (@$dirs) {	1151	for my $login (@$dirs) {
…		…
1229	\@logins	1160	\@logins
1230	}	1161	}
1231		1162
1232	=item $player->maps	1163	=item $player->maps
1233		1164
1234	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
1235	player. May block.	1166	player. May block.
1236		1167
1237	=cut	1168	=cut
1238		1169
1239	sub maps($) {	1170	sub maps($) {
1240	my ($pl) = @_;	1171	my ($pl) = @_;
		1172
		1173	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1174
1242	my $files = aio_readdir playerdir $pl	1175	my $files = aio_readdir playerdir $pl
1243	or return;	1176	or return;
1244		1177
1245	my @paths;	1178	my @paths;
…		…
1247	for (@$files) {	1180	for (@$files) {
1248	utf8::decode $_;	1181	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1182	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1183	next unless /^$PATH_SEP/o;
1251		1184
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1185	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1186	}
1254		1187
1255	\@paths	1188	\@paths
1256	}	1189	}
1257		1190
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1191	=item $player->ext_reply ($msgid, %msg)
1259		1192
1260	Sends an ext reply to the player.	1193	Sends an ext reply to the player.
1261		1194
1262	=cut	1195	=cut
1263		1196
1264	sub ext_reply($$$%) {	1197	sub ext_reply($$%) {
1265	my ($self, $id, %msg) = @_;	1198	my ($self, $id, %msg) = @_;
1266		1199
1267	$msg{msgid} = $id;	1200	$msg{msgid} = $id;
1268		1201
1269	$self->send ("ext " . cf::to_json \%msg);	1202	$self->send ("ext " . cf::to_json \%msg);
1270	}	1203	}
1271		1204
1272	package cf;	1205	=item $player->ext_event ($type, %msg)
		1206
		1207	Sends an ext event to the client.
		1208
		1209	=cut
		1210
		1211	sub ext_event($$%) {
		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	}
1273		1245
1274	=back	1246	=back
1275
1276		1247
1277	=head3 cf::map	1248	=head3 cf::map
1278		1249
1279	=over 4	1250	=over 4
1280		1251
…		…
1283	package cf::map;	1254	package cf::map;
1284		1255
1285	use Fcntl;	1256	use Fcntl;
1286	use Coro::AIO;	1257	use Coro::AIO;
1287		1258
		1259	use overload
		1260	'""' => \&as_string,
		1261	fallback => 1;
		1262
1288	our $MAX_RESET = 3600;	1263	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1264	our $DEFAULT_RESET = 3000;
1290		1265
1291	sub generate_random_map {	1266	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1267	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1268	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1269	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1273	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1274	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1277	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$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},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1279	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(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"
1308	}	1411	}
1309		1412
1310	# and all this just because we cannot iterate over	1413	# and all this just because we cannot iterate over
1311	# all maps in C++...	1414	# all maps in C++...
1312	sub change_all_map_light {	1415	sub change_all_map_light {
…		…
1314		1417
1315	$_->change_map_light ($change)	1418	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1419	for grep $_->outdoor, values %cf::MAP;
1317	}	1420	}
1318		1421
		1422	sub unlink_save {
		1423	my ($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
1319	sub try_load_header($) {	1430	sub load_header_from($) {
1320	my ($path) = @_;	1431	my ($self, $path) = @_;
1321		1432
1322	utf8::encode $path;	1433	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1434	#aio_open $path, O_RDONLY, 0
		1435	# or return;
		1436
		1437	$self->_load_header ($path)
1324	or return;	1438	or return;
1325		1439
1326	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
1327	or return;	1483	or return;
		1484	$self->prepare_orig;
		1485	}
1328		1486
1329	# for better error messages only, will be overwritten	1487	$self->default_region (cf::region::find_by_path $self->{path})
1330	$map->path ($path);	1488	unless $self->default_region;
1331		1489
1332	$map->load_header ($path)	1490	1
1333	or return;
1334
1335	$map->{load_path} = $path;
1336
1337	$map
1338	}	1491	}
1339		1492
1340	sub find;	1493	sub find;
1341	sub find {	1494	sub find {
1342	my ($path, $origin) = @_;	1495	my ($path, $origin) = @_;
1343		1496
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1497	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1498
1349	cf::lock_wait "map_find:$key";	1499	cf::lock_wait "map_find:$path";
1350		1500
1351	$cf::MAP{$key} || do {	1501	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1502	my $guard = cf::lock_acquire "map_find:$path";
1353		1503	my $map = new_from_path cf::map $path
1354	# do it the slow way
1355	my $map = try_load_header $path->save_path;
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1504	or return;
1373		1505
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1506	$map->{last_save} = $cf::RUNTIME;
1386		1507
1387	Coro::cede;	1508	$map->load_header
		1509	or return;
1388		1510
1389	if ($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;
1390	$map->reset;	1514	$map->reset;
1391	undef $guard;	1515	undef $guard;
1392	$map = find $path	1516	return find $path;
1393	or return;
1394	}	1517	}
1395		1518
1396	$cf::MAP{$key} = $map	1519	$cf::MAP{$path} = $map
1397	}	1520	}
1398	}	1521	}
		1522
		1523	sub pre_load { }
		1524	sub post_load { }
1399		1525
1400	sub load {	1526	sub load {
1401	my ($self) = @_;	1527	my ($self) = @_;
1402		1528
		1529	local $self->{deny_reset} = 1; # loading can take a long time
		1530
1403	my $path = $self->{path};	1531	my $path = $self->{path};
		1532
		1533	{
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1534	my $guard = cf::lock_acquire "map_load:$path";
1405		1535
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1536	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1537
1408	$self->in_memory (cf::MAP_LOADING);	1538	$self->in_memory (cf::MAP_LOADING);
1409		1539
1410	$self->alloc;	1540	$self->alloc;
		1541
		1542	$self->pre_load;
		1543	Coro::cede;
		1544
1411	$self->load_objects ($self->{load_path}, 1)	1545	$self->_load_objects ($self->{load_path}, 1)
1412	or return;	1546	or return;
1413		1547
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	1549	if delete $self->{load_original};
1416		1550
1417	if (my $uniq = $path->uniq_path) {	1551	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	1552	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	1553	if (aio_open $uniq, O_RDONLY, 0) {
1420	$self->clear_unique_items;	1554	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	1555	$self->_load_objects ($uniq, 0);
1422	}	1556	}
1423	}	1557	}
1424		1558
1425	Coro::cede;	1559	Coro::cede;
1426
1427	# now do the right thing for maps	1560	# now do the right thing for maps
1428	$self->link_multipart_objects;	1561	$self->link_multipart_objects;
1429
1430	if ($self->{path}->is_style_map) {
1431	$self->{deny_save} = 1;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;
1437	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	1562	$self->difficulty ($self->estimate_difficulty)
1439	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;
1440	$self->activate;	1573	$self->activate;
1441	}	1574	}
1442		1575
1443	Coro::cede;
1444
1445	$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	$self
1446	}	1589	}
1447		1590
1448	# find and load all maps in the 3x3 area around a map	1591	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	1592	sub load_diag {
1450	my ($map) = @_;	1593	my ($map) = @_;
…		…
1480		1623
1481	cf::sync_job { $map->load };	1624	cf::sync_job { $map->load };
1482	}	1625	}
1483		1626
1484	our %MAP_PREFETCH;	1627	our %MAP_PREFETCH;
1485	our $MAP_PREFETCHER = Coro::async {	1628	our $MAP_PREFETCHER = undef;
1486	while () {
1487	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH
1489	or next;
1490	my $path = delete $MAP_PREFETCH{$key};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}
1496	Coro::schedule;
1497	}
1498	};
1499		1629
1500	sub find_async {	1630	sub find_async {
1501	my ($path, $origin) = @_;	1631	my ($path, $origin) = @_;
1502		1632
1503	$path = new cf::path $path, $origin && $origin->path;	1633	$path = normalise $path, $origin && $origin->{path};
1504	my $key = $path->as_string;
1505		1634
1506	if (my $map = $cf::MAP{$key}) {	1635	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}	1637	}
1509		1638
1510	$MAP_PREFETCH{$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	};
1511	$MAP_PREFETCHER->ready;	1652	$MAP_PREFETCHER->prio (6);
1512		1653
1513	()	1654	()
1514	}	1655	}
1515		1656
1516	sub save {	1657	sub save {
…		…
1520		1661
1521	$self->{last_save} = $cf::RUNTIME;	1662	$self->{last_save} = $cf::RUNTIME;
1522		1663
1523	return unless $self->dirty;	1664	return unless $self->dirty;
1524		1665
1525	my $save = $self->{path}->save_path; utf8::encode $save;	1666	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1667	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		1668
1528	$self->{load_path} = $save;	1669	$self->{load_path} = $save;
1529		1670
1530	return if $self->{deny_save};	1671	return if $self->{deny_save};
1531		1672
…		…
1534	cf::async {	1675	cf::async {
1535	$_->contr->save for $self->players;	1676	$_->contr->save for $self->players;
1536	};	1677	};
1537		1678
1538	if ($uniq) {	1679	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	1682	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	1684	}
1544	}	1685	}
1545		1686
1546	sub swap_out {	1687	sub swap_out {
1547	my ($self) = @_;	1688	my ($self) = @_;
…		…
1561		1702
1562	sub reset_at {	1703	sub reset_at {
1563	my ($self) = @_;	1704	my ($self) = @_;
1564		1705
1565	# TODO: safety, remove and allow resettable per-player maps	1706	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};	1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1567	return 1e99 if $self->{deny_reset};	1708	return 1e99 if $self->{deny_reset};
1568		1709
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		1712
…		…
1576	my ($self) = @_;	1717	my ($self) = @_;
1577		1718
1578	$self->reset_at <= $cf::RUNTIME	1719	$self->reset_at <= $cf::RUNTIME
1579	}	1720	}
1580		1721
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	1722	sub reset {
1603	my ($self) = @_;	1723	my ($self) = @_;
1604		1724
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	1725	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		1726
1607	return if $self->players;	1727	return if $self->players;
1608	return if $self->{path}{user_rel};#d#	1728	return if $self->isa ("ext::map_per_player");#d#
1609		1729
1610	warn "resetting map ", $self->path;#d#	1730	warn "resetting map ", $self->path;#d#
1611		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
1612	delete $cf::MAP{$self->path};	1742	delete $cf::MAP{$self->path};
		1743
		1744	$self->clear;
1613		1745
1614	$_->clear_links_to ($self) for values %cf::MAP;	1746	$_->clear_links_to ($self) for values %cf::MAP;
1615		1747
1616	$self->unlink_save;	1748	$self->unlink_save;
1617	$self->destroy;	1749	$self->destroy;
…		…
1620	my $nuke_counter = "aaaa";	1752	my $nuke_counter = "aaaa";
1621		1753
1622	sub nuke {	1754	sub nuke {
1623	my ($self) = @_;	1755	my ($self) = @_;
1624		1756
		1757	delete $cf::MAP{$self->path};
		1758
		1759	$self->unlink_save;
		1760
		1761	bless $self, "cf::map";
		1762	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	1763	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	1764	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1766
		1767	$cf::MAP{$self->path} = $self;
		1768
1628	$self->reset; # polite request, might not happen	1769	$self->reset; # polite request, might not happen
1629	}	1770	}
1630		1771
1631	sub customise_for {
1632	my ($map, $ob) = @_;
1633
1634	if ($map->per_player) {
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1636	}
1637
1638	$map
1639	}
1640
1641	=item cf::map::unique_maps	1772	=item cf::map::unique_maps
1642		1773
1643	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
1644	instantiated unique items. May block.	1775	instantiated unique items. May block.
1645		1776
1646	=cut	1777	=cut
1647		1778
1648	sub unique_maps() {	1779	sub unique_maps() {
1649	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1780	my $files = aio_readdir $UNIQUEDIR
1650	or return;	1781	or return;
1651		1782
1652	my @paths;	1783	my @paths;
1653		1784
1654	for (@$files) {	1785	for (@$files) {
1655	utf8::decode $_;	1786	utf8::decode $_;
1656	next if /\.pst$/;	1787	next if /\.pst$/;
1657	next unless /^$PATH_SEP/o;	1788	next unless /^$PATH_SEP/o;
1658		1789
1659	push @paths, new cf::path $_;	1790	push @paths, cf::map::normalise $_;
1660	}	1791	}
1661		1792
1662	\@paths	1793	\@paths
1663	}	1794	}
1664		1795
…		…
1739		1870
1740	=item $player_object->enter_link	1871	=item $player_object->enter_link
1741		1872
1742	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}>).
1743		1874
1744	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
1745	I<MUST> call C<leave_link> as soon as possible, though.	1876	I<MUST> call C<leave_link> as soon as possible, though.
1746		1877
		1878	Will never block.
		1879
1747	=item $player_object->leave_link ($map, $x, $y)	1880	=item $player_object->leave_link ($map, $x, $y)
1748		1881
1749	Moves the player out of the specila link map onto the given map. If the	1882	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	1883	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	1884	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	1885	fails, to the emergency map position.
1753		1886
1754	Might block.	1887	Might block.
1755		1888
1756	=cut	1889	=cut
		1890
		1891	sub link_map {
		1892	unless ($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	$LINK_MAP
		1899	}
1757		1900
1758	sub cf::object::player::enter_link {	1901	sub cf::object::player::enter_link {
1759	my ($self) = @_;	1902	my ($self) = @_;
1760		1903
1761	$self->deactivate_recursive;	1904	$self->deactivate_recursive;
1762		1905
1763	return if $self->map == $LINK_MAP;	1906	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		1907
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	1909	if $self->map;
1767		1910
1768	$self->enter_map ($LINK_MAP, 20, 20);	1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	1912	}
1770		1913
1771	sub cf::object::player::leave_link {	1914	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	1915	my ($self, $map, $x, $y) = @_;
1773		1916
…		…
1795	$map->load;	1938	$map->load;
1796	$map->load_diag;	1939	$map->load_diag;
1797		1940
1798	return unless $self->contr->active;	1941	return unless $self->contr->active;
1799	$self->activate_recursive;	1942	$self->activate_recursive;
		1943
		1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800	$self->enter_map ($map, $x, $y);	1945	$self->enter_map ($map, $x, $y);
1801	}	1946	}
1802		1947
1803	cf::player->attach (	1948	cf::player->attach (
1804	on_logout => sub {	1949	on_logout => sub {
…		…
1817	# try to abort aborted map switching on player login :)	1962	# try to abort aborted map switching on player login :)
1818	# should happen only on crashes	1963	# should happen only on crashes
1819	if ($pl->ob->{_link_pos}) {	1964	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;	1965	$pl->ob->enter_link;
1821	(async {	1966	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,	1967	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "	1968	"There was an internal problem at your last logout, "
1826	. "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.",
1827	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
1828	Coro::Timer::sleep 1;	1973	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;	1974	$pl->ob->leave_link;
1830	})->prio (2);	1975	})->prio (2);
1831	}	1976	}
1832	},	1977	},
…		…
1837	=cut	1982	=cut
1838		1983
1839	sub cf::object::player::goto {	1984	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	1985	my ($self, $path, $x, $y) = @_;
1841		1986
1842	$path = new cf::path $path;
1843
1844	$self->enter_link;	1987	$self->enter_link;
1845		1988
1846	(async {	1989	(async {
		1990	my $map = eval {
1847	my $map = cf::map::find $path->as_string;	1991	my $map = cf::map::find $path;
1848	$map = $map->customise_for ($self) if $map;	1992	$map = $map->customise_for ($self) if $map;
1849		1993	$map
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	1994	} or
1851	# if $map;
1852
1853	$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);
1854		1996
1855	$self->leave_link ($map, $x, $y);	1997	$self->leave_link ($map, $x, $y);
1856	})->prio (1);	1998	})->prio (1);
1857	}	1999	}
1858		2000
…		…
1862		2004
1863	sub parse_random_map_params {	2005	sub parse_random_map_params {
1864	my ($spec) = @_;	2006	my ($spec) = @_;
1865		2007
1866	my $rmp = { # defaults	2008	my $rmp = { # defaults
1867	xsize => 10,	2009	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	2010	ysize => (cf::rndm 15, 40),
		2011	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2012	#layout => string,
1869	};	2013	};
1870		2014
1871	for (split /\n/, $spec) {	2015	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	2016	my ($k, $v) = split /\s+/, $_, 2;
1873		2017
…		…
1877	$rmp	2021	$rmp
1878	}	2022	}
1879		2023
1880	sub prepare_random_map {	2024	sub prepare_random_map {
1881	my ($exit) = @_;	2025	my ($exit) = @_;
		2026
		2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		2028
1883	# all this does is basically replace the /! path by	2029	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	2030	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	2031	# that depends on the exit object
1886		2032
1887	my $rmp = parse_random_map_params $exit->msg;	2033	my $rmp = parse_random_map_params $exit->msg;
1888		2034
1889	if ($exit->map) {	2035	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	2036	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	2037	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	2038	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	2039	$rmp->{origin_y} = $exit->y;
1894	}	2040	}
1895		2041
1896	$rmp->{random_seed} ||= $exit->random_seed;	2042	$rmp->{random_seed} ||= $exit->random_seed;
1897		2043
1898	my $data = cf::to_json $rmp;	2044	my $data = cf::to_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	2045	my $md5 = Digest::MD5::md5_hex $data;
		2046	my $meta = "$RANDOMDIR/$md5.meta";
1900		2047
1901	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) {
1902	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;
1903		2052
1904	$exit->slaying ("?random/$md5");	2053	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	2054	$exit->msg (undef);
1906	}	2055	}
1907	}	2056	}
1908		2057
1909	sub cf::object::player::enter_exit {	2058	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2059	my ($self, $exit) = @_;
1911		2060
1912	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;
1913		2073
1914	$self->enter_link;	2074	$self->enter_link;
1915		2075
1916	(async {	2076	(async {
1917	$self->deactivate_recursive; # just to be sure	2077	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	2078	unless (eval {
1919	prepare_random_map $exit	2079	$self->goto ($slaying, $hp, $sp);
1920	if $exit->slaying eq "/!";
1921
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924		2080
1925	1;	2081	1;
1926	}) {	2082	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2083	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "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. "
1929	. "Please report this to the dungeon master!",	2085	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2086	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2087
1932	warn "ERROR in enter_exit: $@";	2088	warn "ERROR in enter_exit: $@";
1933	$self->leave_link;	2089	$self->leave_link;
1934	}	2090	}
1935	})->prio (1);	2091	})->prio (1);
…		…
1948		2104
1949	sub cf::client::send_drawinfo {	2105	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2106	my ($self, $text, $flags) = @_;
1951		2107
1952	utf8::encode $text;	2108	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2110	}
1955		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	}
1956		2124
1957	=item $success = $client->query ($flags, "text", \&cb)	2125	=item $success = $client->query ($flags, "text", \&cb)
1958		2126
1959	Queues a query to the client, calling the given callback with	2127	Queues a query to the client, calling the given callback with
1960	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>,
…		…
1989	# get handled first	2157	# get handled first
1990	my $queue = delete $ns->{query_queue}	2158	my $queue = delete $ns->{query_queue}
1991	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
1992		2160
1993	(shift @$queue)->[1]->($msg);	2161	(shift @$queue)->[1]->($msg);
		2162	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2163
1995	push @{ $ns->{query_queue} }, @$queue;	2164	push @{ $ns->{query_queue} }, @$queue;
1996		2165
1997	if (@{ $ns->{query_queue} } == @$queue) {	2166	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2167	if (@$queue) {
…		…
2056		2225
2057	# here we export the classes and methods available to script code	2226	# here we export the classes and methods available to script code
2058		2227
2059	=pod	2228	=pod
2060		2229
2061	The following fucntions and emthods are available within a safe environment:	2230	The following functions and methods are available within a safe environment:
2062		2231
2063	cf::object contr pay_amount pay_player map	2232	cf::object contr pay_amount pay_player map
2064	cf::object::player player	2233	cf::object::player player
2065	cf::player peaceful	2234	cf::player peaceful
2066	cf::map trigger	2235	cf::map trigger
…		…
2151	#############################################################################	2320	#############################################################################
2152		2321
2153	=head2 EXTENSION DATABASE SUPPORT	2322	=head2 EXTENSION DATABASE SUPPORT
2154		2323
2155	Crossfire maintains a very simple database for extension use. It can	2324	Crossfire maintains a very simple database for extension use. It can
2156	currently store anything that can be serialised using Storable, which	2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2157	excludes objects.	2326	convert to/from binary).
2158		2327
2159	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
2160	using it, it should be unique.	2329	using it, it should be unique.
2161		2330
2162	=over 4	2331	=over 4
2163		2332
2164	=item $hashref = cf::db_get $family
2165
2166	Return a hashref for use by the extension C<$family>, which can be
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169
2170	=item $value = cf::db_get $family => $key	2333	=item $value = cf::db_get $family => $key
2171		2334
2172	Returns a single value from the database	2335	Returns a single value from the database.
2173
2174	=item cf::db_put $family => $hashref
2175
2176	Stores the given family hashref into the database. Updates are delayed, if
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178		2336
2179	=item cf::db_put $family => $key => $value	2337	=item cf::db_put $family => $key => $value
2180		2338
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you	2339	Stores the given C<$value> in the family.
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191		2340
2192	=cut	2341	=cut
2193		2342
2194	our $DB;	2343	our $DB;
2195		2344
2196	{	2345	sub db_init {
2197	my $path = cf::localdir . "/database.pst";	2346	unless ($DB) {
		2347	$DB = BDB::db_create $DB_ENV;
2198		2348
2199	sub db_load() {	2349	cf::sync_job {
2200	$DB = stat $path ? Storable::retrieve $path : { };	2350	eval {
2201	}	2351	$DB->set_flags (BDB::CHKSUM);
2202		2352
2203	my $pid;	2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2204		2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2205	sub db_save() {	2355	cf::cleanup "db_open(db): $!" if $!;
2206	waitpid $pid, 0 if $pid;	2356	};
2207	if (0 == ($pid = fork)) {	2357	cf::cleanup "db_open(db): $@" if $@;
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}	2358	};
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});	2359	}
		2360	}
2225		2361
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}
2230
2231	sub db_get($;$) {	2362	sub db_get($$) {
2232	@_ >= 2	2363	my $key = "$_[0]/$_[1]";
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236		2364
		2365	cf::sync_job {
		2366	BDB::db_get $DB, undef, $key, my $data;
		2367
		2368	$! ? ()
		2369	: $data
		2370	}
		2371	}
		2372
2237	sub db_put($$;$) {	2373	sub db_put($$$) {
2238	if (@_ >= 3) {	2374	BDB::dbreq_pri 4;
2239	$DB->{$_[0]}{$_[1]} = $_[2];	2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2240	} else {	2376	}
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245		2377
2246	cf::global->attach (	2378	=item cf::cache $id => [$paths...], $processversion => $process
2247	prio => 10000,	2379
2248	on_cleanup => sub {	2380	Generic caching function that returns the value of the resource $id,
2249	db_sync;	2381	caching and regenerating as required.
		2382
		2383	This function can block.
		2384
		2385	=cut
		2386
		2387	sub cache {
		2388	my ($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 "$src->[$_]: $!";
2250	},	2410	}
2251	);	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"
2252	}	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
2253		2493
2254	#############################################################################	2494	#############################################################################
2255	# 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	}
2256		2583
2257	sub cfg_load {	2584	sub cfg_load {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	2585	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	2586	or return;
2260		2587
2261	local $/;	2588	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	2589	*CFG = YAML::Syck::Load <$fh>;
2263		2590
…		…
2277		2604
2278	sub main {	2605	sub main {
2279	# we must not ever block the main coroutine	2606	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	2607	local $Coro::idle = sub {
2281	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 {
2282	async { Event::one_event };	2610	Event::one_event;
		2611	})->prio (Coro::PRIO_MAX);
2283	};	2612	};
2284		2613
2285	cfg_load;	2614	cfg_load;
2286	db_load;	2615	db_init;
2287	load_extensions;	2616	load_extensions;
		2617
		2618	$TICK_WATCHER->start;
2288	Event::loop;	2619	Event::loop;
2289	}	2620	}
2290		2621
2291	#############################################################################	2622	#############################################################################
2292	# initialisation and cleanup	2623	# initialisation and cleanup
2293		2624
2294	# install some emergency cleanup handlers	2625	# install some emergency cleanup handlers
2295	BEGIN {	2626	BEGIN {
2296	for my $signal (qw(INT HUP TERM)) {	2627	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	2628	Event->signal (
		2629	reentrant => 0,
2298	data => WF_AUTOCANCEL,	2630	data => WF_AUTOCANCEL,
2299	signal => $signal,	2631	signal => $signal,
		2632	prio => 0,
2300	cb => sub {	2633	cb => sub {
2301	cf::cleanup "SIG$signal";	2634	cf::cleanup "SIG$signal";
2302	},	2635	},
2303	);	2636	);
2304	}	2637	}
2305	}	2638	}
…		…
2310	warn "enter emergency perl save\n";	2643	warn "enter emergency perl save\n";
2311		2644
2312	cf::sync_job {	2645	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	2646	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	2647	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	2648	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	2649	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	2650	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	2651	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	2652	$pl->valid or next;
2320	$pl->save;	2653	$pl->save;
…		…
2326	my $map = $cf::MAP{$path} or next;	2659	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	2660	$map->valid or next;
2328	$map->save;	2661	$map->save;
2329	}	2662	}
2330	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";
2331	};	2668	};
2332		2669
2333	warn "leave emergency perl save\n";	2670	warn "leave emergency perl save\n";
2334	}	2671	}
2335		2672
		2673	sub post_cleanup {
		2674	my ($make_core) = @_;
		2675
		2676	warn Carp::longmess "post_cleanup backtrace"
		2677	if $make_core;
		2678	}
		2679
2336	sub reload() {	2680	sub do_reload_perl() {
2337	# can/must only be called in main	2681	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	2682	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	2683	warn "can only reload from main coroutine";
2340	return;	2684	return;
2341	}	2685	}
2342		2686
2343	warn "reloading...";	2687	warn "reloading...";
2344		2688
2345	my $guard = freeze_mainloop;	2689	warn "entering sync_job";
		2690
		2691	cf::sync_job {
		2692	cf::write_runtime; # external watchdog should not bark
2346	cf::emergency_save;	2693	cf::emergency_save;
		2694	cf::write_runtime; # external watchdog should not bark
2347		2695
2348	eval {	2696	warn "syncing database to disk";
		2697	BDB::db_env_txn_checkpoint $DB_ENV;
		2698
2349	# 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
2350		2700
2351	# cancel all watchers	2701	warn "cancelling all WF_AUTOCANCEL watchers";
2352	for (Event::all_watchers) {	2702	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}	2704	}
2355		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
2356	# cancel all extension coros	2717	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	2718	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	2719	%EXT_CORO = ();
2359		2720
2360	# unload all extensions	2721	warn "removing commands";
2361	for (@exts) {	2722	%COMMAND = ();
		2723
		2724	warn "removing ext commands";
		2725	%EXTCMD = ();
		2726
		2727	warn "unloading/nuking all extensions";
		2728	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	2729	warn "... unloading $pkg";
2363	unload_extension $_;	2730
		2731	if (my $cb = $pkg->can ("unload")) {
		2732	eval {
		2733	$cb->($pkg);
		2734	1
		2735	} or warn "$pkg unloaded, but with errors: $@";
2364	}	2736	}
2365		2737
		2738	warn "... nuking $pkg";
		2739	Symbol::delete_package $pkg;
		2740	}
		2741
2366	# unload all modules loaded from $LIBDIR	2742	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	2743	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		2745
2370	warn "removing <$k>";	2746	warn "... unloading $k";
2371	delete $INC{$k};	2747	delete $INC{$k};
2372		2748
2373	$k =~ s/\.pm$//;	2749	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	2750	$k =~ s/\//::/g;
2375		2751
…		…
2378	}	2754	}
2379		2755
2380	Symbol::delete_package $k;	2756	Symbol::delete_package $k;
2381	}	2757	}
2382		2758
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	2759	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	2760	Symbol::delete_package "safe::$_"
2389	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);
2390		2762
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	2763	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	2764	delete $INC{"cf.pm"};
		2765	delete $INC{"cf/pod.pm"};
2396		2766
2397	# don't, removes xs symbols, too,	2767	# don't, removes xs symbols, too,
2398	# and global variables created in xs	2768	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	2769	#Symbol::delete_package __PACKAGE__;
2400		2770
2401	# reload cf.pm	2771	warn "unload completed, starting to reload now";
		2772
2402	warn "reloading cf.pm";	2773	warn "reloading cf.pm";
2403	require cf;	2774	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		2776
2406	# load config and database again	2777	warn "loading config and database again";
2407	cf::cfg_load;	2778	cf::cfg_load;
2408	cf::db_load;
2409		2779
2410	# load extensions
2411	warn "load extensions";	2780	warn "loading extensions";
2412	cf::load_extensions;	2781	cf::load_extensions;
2413		2782
2414	# reattach attachments to objects	2783	warn "reattaching attachments to objects/players";
2415	warn "reattach";	2784	_global_reattach; # objects, sockets
2416	_global_reattach;	2785	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	2786	reattach $_ for values %MAP;
2418	};	2787	warn "reattaching attachments to players";
		2788	reattach $_ for values %PLAYER;
2419		2789
2420	if ($@) {	2790	warn "leaving sync_job";
		2791
		2792	1
		2793	} or do {
2421	warn $@;	2794	warn $@;
2422	warn "error while reloading, exiting.";	2795	warn "error while reloading, exiting.";
2423	exit 1;	2796	exit 1;
2424	}	2797	};
2425		2798
2426	warn "reloaded successfully";	2799	warn "reloaded";
2427	};	2800	};
2428		2801
2429	#############################################################################	2802	our $RELOAD_WATCHER; # used only during reload
2430		2803
2431	unless ($LINK_MAP) {	2804	sub reload_perl() {
2432	$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.
2433		2807
2434	$LINK_MAP->width (41);	2808	$RELOAD_WATCHER ||= Event->timer (
2435	$LINK_MAP->height (41);	2809	reentrant => 0,
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,	2810	after => 0,
		2811	data => WF_AUTOCANCEL,
2444	cb => sub {	2812	cb => sub {
2445	$_[0]->w->cancel;	2813	do_reload_perl;
2446		2814	undef $RELOAD_WATCHER;
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});	2815	},
2465		2816	);
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}	2817	}
2471
2472	register "<global>", __PACKAGE__;
2473		2818
2474	register_command "reload" => sub {	2819	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	2820	my ($who, $arg) = @_;
2476		2821
2477	if ($who->flag (FLAG_WIZ)) {	2822	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");
2479	reload;
2480	$who->message ("end of reload.");	2823	$who->message ("reloading server.");
		2824	async { reload_perl };
2481	}	2825	}
2482	};	2826	};
2483		2827
2484	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	}
2485		2852
2486	$TICK_WATCHER = Event->timer (	2853	$TICK_WATCHER = Event->timer (
2487	reentrant => 0,	2854	reentrant => 0,
		2855	parked => 1,
2488	prio => 0,	2856	prio => 0,
2489	at => $NEXT_TICK || $TICK,	2857	at => $NEXT_TICK || $TICK,
2490	data => WF_AUTOCANCEL,	2858	data => WF_AUTOCANCEL,
2491	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
2492	cf::server_tick; # one server iteration	2868	cf::server_tick; # one server iteration
		2869
2493	$RUNTIME += $TICK;	2870	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	2871	$NEXT_TICK += $TICK;
2495		2872
2496	$WAIT_FOR_TICK->broadcast;	2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2497	$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;
2498		2892
2499	# 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
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2501		2895
2502	$TICK_WATCHER->at ($NEXT_TICK);	2896	$TICK_WATCHER->at ($NEXT_TICK);
2503	$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
2504	},	2905	},
2505	);	2906	);
2506		2907
		2908	{
2507	IO::AIO::max_poll_time $TICK * 0.2;	2909	BDB::max_poll_time $TICK * 0.1;
2508		2910	$BDB_POLL_WATCHER = Event->io (
2509	Event->io (	2911	reentrant => 0,
2510	fd => IO::AIO::poll_fileno,	2912	fd => BDB::poll_fileno,
2511	poll => 'r',	2913	poll => 'r',
2512	prio => 5,	2914	prio => 0,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,	2915	data => WF_AUTOCANCEL,
2519	after => 0,	2916	cb => \&BDB::poll_cb,
2520	interval => 10,	2917	);
2521	cb => sub {	2918	BDB::min_parallel 8;
2522	(Coro::unblock_sub {	2919
2523	write_runtime	2920	BDB::set_sync_prepare {
2524	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 $@;
2525	})->();	2954	};
2526	},	2955	}
2527	);	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;
2528		3013
2529	END { cf::emergency_save }	3014	END { cf::emergency_save }
2530		3015
2531	1	3016	1
2532		3017

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