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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.138 by root, Fri Jan 5 17:07:17 2007 UTC vs.
Revision 1.260 by root, Fri Apr 27 19:53:05 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 ();
		26	use Data::Dumper;
20	use Digest::MD5;	27	use Digest::MD5;
21	use Fcntl;	28	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	29	use YAML::Syck ();
		30	use IO::AIO 2.32 ();
24	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
25		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
26	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
27		41
28	# 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?
29	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
30		44
31	$Coro::main->prio (2); # 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
32		46
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		48
35	our %COMMAND = ();	49	our %COMMAND = ();
36	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
38		56
		57	our $RELOAD; # number of reloads so far
39	our @EVENT;	58	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		59
42	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(!)
43	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	76	our $NEXT_TICK;
45	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;
46		82
47	our %CFG;	83	our %CFG;
48		84
49	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	86	our $RUNTIME;
51		87
		88	our %PLAYER; # all users
52	our %MAP; # all maps	89	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	91
55	our %EXT_CORO;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
		93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		94
57	binmode STDOUT;	95	binmode STDOUT;
58	binmode STDERR;	96	binmode STDERR;
59		97
60	# read virtual server time, if available	98	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
65	}	103	}
66		104
67	mkdir cf::localdir;	105	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		107
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
		109
		110	sub cf::map::normalise;
76		111
77	#############################################################################	112	#############################################################################
78		113
79	=head2 GLOBAL VARIABLES	114	=head2 GLOBAL VARIABLES
80		115
…		…
87	=item $cf::RUNTIME	122	=item $cf::RUNTIME
88		123
89	The time this server has run, starts at 0 and is increased by $cf::TICK on	124	The time this server has run, starts at 0 and is increased by $cf::TICK on
90	every server tick.	125	every server tick.
91		126
92	=item $cf::LIBDIR	127	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		128	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		129	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
93		130
94	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
95	be found. It will be added to C<@INC> automatically.	132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		133	unique-items directory, player file directory, random maps directory and
		134	database environment.
96		135
97	=item $cf::NOW	136	=item $cf::NOW
98		137
99	The time of the last (current) server tick.	138	The time of the last (current) server tick.
100		139
…		…
104		143
105	=item %cf::CFG	144	=item %cf::CFG
106		145
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	147	from wherever your confdir points to.
		148
		149	=item cf::wait_for_tick, cf::wait_for_tick_begin
		150
		151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		152	returns directly I<after> the tick processing (and consequently, can only wake one process
		153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
109		154
110	=back	155	=back
111		156
112	=cut	157	=cut
113		158
114	BEGIN {	159	BEGIN {
115	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	161	my $msg = join "", @_;
117	utf8::encode $msg;
118		162
119	$msg .= "\n"	163	$msg .= "\n"
120	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
121		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	169	LOG llevError, $msg;
123	};	170	};
124	}	171	}
125		172
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		192
146	$Event::DIED = sub {	193	$Event::DIED = sub {
147	warn "error in event callback: @_";	194	warn "error in event callback: @_";
148	};	195	};
149		196
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	197	=head2 UTILITY FUNCTIONS
155		198
156	=over 4	199	=over 4
157		200
158	=cut	201	=item dumpval $ref
159		202
		203	=cut
		204
		205	sub dumpval {
		206	eval {
		207	local $SIG{__DIE__};
		208	my $d;
		209	if (1) {
		210	$d = new Data::Dumper([$_[0]], ["*var"]);
		211	$d->Terse(1);
		212	$d->Indent(2);
		213	$d->Quotekeys(0);
		214	$d->Useqq(1);
		215	#$d->Bless(...);
		216	$d->Seen($_[1]) if @_ > 1;
		217	$d = $d->Dump();
		218	}
		219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		220	$d
		221	} || "[unable to dump $_[0]: '$@']";
		222	}
		223
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		225
162	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
163		227
164	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
165		229
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
174		231
175	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
176
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		233
184	=item cf::lock_wait $string	234	=item cf::lock_wait $string
185		235
186	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
187		237
…		…
193	returned.	243	returned.
194		244
195	Lock names should begin with a unique identifier (for example, cf::map::find	245	Lock names should begin with a unique identifier (for example, cf::map::find
196	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
197		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
198	=cut	252	=cut
199		253
200	our %LOCK;	254	our %LOCK;
201		255
202	sub lock_wait($) {	256	sub lock_wait($) {
…		…
221	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
223	}	277	}
224	}	278	}
225		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
		284	}
		285
226	sub freeze_mainloop {	286	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
228		288
229	my $guard = Coro::guard { $TICK_WATCHER->start };	289	my $guard = Coro::guard {
		290	$TICK_WATCHER->start;
		291	};
230	$TICK_WATCHER->stop;	292	$TICK_WATCHER->stop;
231	$guard	293	$guard
232	}	294	}
		295
		296	=item cf::async { BLOCK }
		297
		298	Currently the same as Coro::async_pool, meaning you cannot use
		299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		300	thing you are allowed to do is call C<prio> on it.
		301
		302	=cut
		303
		304	BEGIN { *async = \&Coro::async_pool }
233		305
234	=item cf::sync_job { BLOCK }	306	=item cf::sync_job { BLOCK }
235		307
236	The design of crossfire+ requires that the main coro ($Coro::main) is	308	The design of crossfire+ requires that the main coro ($Coro::main) is
237	always able to handle events or runnable, as crossfire+ is only partly	309	always able to handle events or runnable, as crossfire+ is only partly
…		…
256	my $freeze_guard = freeze_mainloop;	328	my $freeze_guard = freeze_mainloop;
257		329
258	my $busy = 1;	330	my $busy = 1;
259	my @res;	331	my @res;
260		332
261	(Coro::async_pool {	333	(async {
262	@res = eval { $job->() };	334	@res = eval { $job->() };
263	warn $@ if $@;	335	warn $@ if $@;
264	undef $busy;	336	undef $busy;
265	})->prio (Coro::PRIO_MAX);	337	})->prio (Coro::PRIO_MAX);
266		338
267	while ($busy) {	339	while ($busy) {
268	Coro::cede_notself;	340	Coro::cede or Event::one_event;
269	Event::one_event unless Coro::nready;
270	}	341	}
271		342
272	wantarray ? @res : $res[0]	343	wantarray ? @res : $res[0]
273	} else {	344	} else {
274	# we are in another coroutine, how wonderful, everything just works	345	# we are in another coroutine, how wonderful, everything just works
275		346
276	$job->()	347	$job->()
277	}	348	}
278	}	349	}
279		350
280	=item $coro = cf::coro { BLOCK }	351	=item $coro = cf::async_ext { BLOCK }
281		352
282	Creates (and readies) and returns a new coro. This coro is automcatially	353	Like async, but this coro is automatically being canceled when the
283	being canceled when the extension calling this is being unloaded.	354	extension calling this is being unloaded.
284		355
285	=cut	356	=cut
286		357
287	sub coro(&) {	358	sub async_ext(&) {
288	my $cb = shift;	359	my $cb = shift;
289		360
290	my $coro = &Coro::async_pool ($cb);	361	my $coro = &Coro::async ($cb);
291		362
292	$coro->on_destroy (sub {	363	$coro->on_destroy (sub {
293	delete $EXT_CORO{$coro+0};	364	delete $EXT_CORO{$coro+0};
294	});	365	});
295	$EXT_CORO{$coro+0} = $coro;	366	$EXT_CORO{$coro+0} = $coro;
296		367
297	$coro	368	$coro
298	}	369	}
299		370
300	sub write_runtime {	371	sub write_runtime {
301	my $runtime = cf::localdir . "/runtime";	372	my $guard = cf::lock_acquire "write_runtime";
		373
		374	my $runtime = "$LOCALDIR/runtime";
302		375
303	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
304	or return;	377	or return;
305		378
		379	my $value = $cf::RUNTIME + 90 + 10;
306	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	380	# 10 is the runtime save interval, for a monotonic clock
		381	# 60 allows for the watchdog to kill the server.
		382
307	(aio_write $fh, 0, (length $value), $value, 0) <= 0	383	(aio_write $fh, 0, (length $value), $value, 0) <= 0
308	and return;	384	and return;
309		385
		386	# always fsync - this file is important
310	aio_fsync $fh	387	aio_fsync $fh
311	and return;	388	and return;
312		389
313	close $fh	390	close $fh
314	or return;	391	or return;
…		…
317	and return;	394	and return;
318		395
319	1	396	1
320	}	397	}
321		398
		399	=item cf::datalog type => key => value, ...
		400
		401	Log a datalog packet of the given type with the given key-value pairs.
		402
		403	=cut
		404
		405	sub datalog($@) {
		406	my ($type, %kv) = @_;
		407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		408	}
		409
322	=back	410	=back
323		411
324	=cut	412	=cut
325
326	#############################################################################
327
328	package cf::path;
329
330	sub new {
331	my ($class, $path, $base) = @_;
332
333	$path = $path->as_string if ref $path;
334
335	my $self = bless { }, $class;
336
337	# {... are special paths that are not touched
338	# ?xxx/... are special absolute paths
339	# ?random/... random maps
340	# /! non-realised random map exit
341	# /... normal maps
342	# ~/... per-player maps without a specific player (DO NOT USE)
343	# ~user/... per-player map of a specific user
344
345	if ($path =~ /^{/) {
346	# fine as it is
347	} elsif ($path =~ s{^\?random/}{}) {
348	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
349	$self->{random} = cf::from_json $data;
350	} else {
351	if ($path =~ s{^~([^/]+)?}{}) {
352	$self->{user_rel} = 1;
353
354	if (defined $1) {
355	$self->{user} = $1;
356	} elsif ($base =~ m{^~([^/]+)/}) {
357	$self->{user} = $1;
358	} else {
359	warn "cannot resolve user-relative path without user <$path,$base>\n";
360	}
361	} elsif ($path =~ /^\//) {
362	# already absolute
363	} else {
364	$base =~ s{[^/]+/?$}{};
365	return $class->new ("$base/$path");
366	}
367
368	for ($path) {
369	redo if s{/\.?/}{/};
370	redo if s{/[^/]+/\.\./}{/};
371	}
372	}
373
374	$self->{path} = $path;
375
376	$self
377	}
378
379	# the name / primary key / in-game path
380	sub as_string {
381	my ($self) = @_;
382
383	$self->{user_rel} ? "~$self->{user}$self->{path}"
384	: $self->{random} ? "?random/$self->{path}"
385	: $self->{path}
386	}
387
388	# the displayed name, this is a one way mapping
389	sub visible_name {
390	my ($self) = @_;
391
392	# if (my $rmp = $self->{random}) {
393	# # todo: be more intelligent about this
394	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
395	# } else {
396	$self->as_string
397	# }
398	}
399
400	# escape the /'s in the path
401	sub _escaped_path {
402	# ∕ is U+2215
403	(my $path = $_[0]{path}) =~ s/\//∕/g;
404	$path
405	}
406
407	# the original (read-only) location
408	sub load_path {
409	my ($self) = @_;
410
411	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
412	}
413
414	# the temporary/swap location
415	sub save_path {
416	my ($self) = @_;
417
418	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
419	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
420	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
421	}
422
423	# the unique path, might be eq to save_path
424	sub uniq_path {
425	my ($self) = @_;
426
427	$self->{user_rel} || $self->{random}
428	? undef
429	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
430	}
431
432	# return random map parameters, or undef
433	sub random_map_params {
434	my ($self) = @_;
435
436	$self->{random}
437	}
438
439	# this is somewhat ugly, but style maps do need special treatment
440	sub is_style_map {
441	$_[0]{path} =~ m{^/styles/}
442	}
443
444	package cf;
445		413
446	#############################################################################	414	#############################################################################
447		415
448	=head2 ATTACHABLE OBJECTS	416	=head2 ATTACHABLE OBJECTS
449		417
…		…
575	our @CB_TYPE = (); # registry for type (cf-object class) based events	543	our @CB_TYPE = (); # registry for type (cf-object class) based events
576	our @CB_MAP = ();	544	our @CB_MAP = ();
577		545
578	my %attachment;	546	my %attachment;
579		547
		548	sub cf::attachable::thawer_merge {
		549	# simply override everything except _meta
		550	local $_[0]{_meta};
		551	%{$_[0]} = %{$_[1]};
		552	}
		553
580	sub _attach_cb($$$$) {	554	sub _attach_cb($$$$) {
581	my ($registry, $event, $prio, $cb) = @_;	555	my ($registry, $event, $prio, $cb) = @_;
582		556
583	use sort 'stable';	557	use sort 'stable';
584		558
…		…
755	# object support	729	# object support
756		730
757	sub reattach {	731	sub reattach {
758	# basically do the same as instantiate, without calling instantiate	732	# basically do the same as instantiate, without calling instantiate
759	my ($obj) = @_;	733	my ($obj) = @_;
		734
		735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760		736
761	my $registry = $obj->registry;	737	my $registry = $obj->registry;
762		738
763	@$registry = ();	739	@$registry = ();
764		740
…		…
811	$filename, length $$rdata, scalar @$objs;	787	$filename, length $$rdata, scalar @$objs;
812		788
813	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
814	chmod SAVE_MODE, $fh;	790	chmod SAVE_MODE, $fh;
815	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
816	aio_fsync $fh;	792	aio_fsync $fh if $cf::USE_FSYNC;
817	close $fh;	793	close $fh;
818		794
819	if (@$objs) {	795	if (@$objs) {
820	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
821	chmod SAVE_MODE, $fh;	797	chmod SAVE_MODE, $fh;
822	my $data = Storable::nfreeze { version => 1, objs => $objs };	798	my $data = Storable::nfreeze { version => 1, objs => $objs };
823	aio_write $fh, 0, (length $data), $data, 0;	799	aio_write $fh, 0, (length $data), $data, 0;
824	aio_fsync $fh;	800	aio_fsync $fh if $cf::USE_FSYNC;
825	close $fh;	801	close $fh;
826	aio_rename "$filename.pst~", "$filename.pst";	802	aio_rename "$filename.pst~", "$filename.pst";
827	}	803	}
828	} else {	804	} else {
829	aio_unlink "$filename.pst";	805	aio_unlink "$filename.pst";
…		…
896	=cut	872	=cut
897		873
898	sub register_extcmd {	874	sub register_extcmd {
899	my ($name, $cb) = @_;	875	my ($name, $cb) = @_;
900		876
901	my $caller = caller;
902	#warn "registering extcmd '$name' to '$caller'";
903
904	$EXTCMD{$name} = [$cb, $caller];	877	$EXTCMD{$name} = $cb;
905	}	878	}
906		879
907	cf::player->attach (	880	cf::player->attach (
908	on_command => sub {	881	on_command => sub {
909	my ($pl, $name, $params) = @_;	882	my ($pl, $name, $params) = @_;
…		…
922		895
923	my $msg = eval { from_json $buf };	896	my $msg = eval { from_json $buf };
924		897
925	if (ref $msg) {	898	if (ref $msg) {
926	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
927	if (my %reply = $cb->[0]->($pl, $msg)) {	900	if (my %reply = $cb->($pl, $msg)) {
928	$pl->ext_reply ($msg->{msgid}, %reply);	901	$pl->ext_reply ($msg->{msgid}, %reply);
929	}	902	}
930	}	903	}
931	} else {	904	} else {
932	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
934		907
935	cf::override;	908	cf::override;
936	},	909	},
937	);	910	);
938		911
939	sub register {
940	my ($base, $pkg) = @_;
941
942	#TODO
943	}
944
945	sub load_extension {	912	sub load_extension {
946	my ($path) = @_;	913	my ($path) = @_;
947		914
948	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
949	my $base = $1;	916	my $base = $1;
950	my $pkg = $1;	917	my $pkg = $1;
951	$pkg =~ s/[^[:word:]]/_/g;	918	$pkg =~ s/[^[:word:]]/_/g;
952	$pkg = "ext::$pkg";	919	$pkg = "ext::$pkg";
953		920
954	warn "loading '$path' into '$pkg'\n";	921	warn "... loading '$path' into '$pkg'\n";
955		922
956	open my $fh, "<:utf8", $path	923	open my $fh, "<:utf8", $path
957	or die "$path: $!";	924	or die "$path: $!";
958		925
959	my $source =	926	my $source =
960	"package $pkg; use strict; use utf8;\n"	927	"package $pkg; use strict; use utf8;\n"
961	. "#line 1 \"$path\"\n{\n"	928	. "#line 1 \"$path\"\n{\n"
962	. (do { local $/; <$fh> })	929	. (do { local $/; <$fh> })
963	. "\n};\n1";	930	. "\n};\n1";
964		931
965	eval $source	932	unless (eval $source) {
966	or die $@ ? "$path: $@\n"	933	my $msg = $@ ? "$path: $@\n"
967	: "extension disabled.\n";	934	: "extension disabled.\n";
968		935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
969	push @exts, $pkg;	936	warn $@;
970	$ext_pkg{$base} = $pkg;	937	warn "mandatory extension failed to load, exiting.\n";
971		938	exit 1;
972	# no strict 'refs';	939	}
973	# @{"$pkg\::ISA"} = ext::;	940	die $@;
974
975	register $base, $pkg;
976	}
977
978	sub unload_extension {
979	my ($pkg) = @_;
980
981	warn "removing extension $pkg\n";
982
983	# remove hooks
984	#TODO
985	# for my $idx (0 .. $#PLUGIN_EVENT) {
986	# delete $hook[$idx]{$pkg};
987	# }	941	}
988		942
989	# remove commands	943	push @EXTS, $pkg;
990	for my $name (keys %COMMAND) {
991	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
992
993	if (@cb) {
994	$COMMAND{$name} = \@cb;
995	} else {
996	delete $COMMAND{$name};
997	}
998	}
999
1000	# remove extcmds
1001	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1002	delete $EXTCMD{$name};
1003	}
1004
1005	if (my $cb = $pkg->can ("unload")) {
1006	eval {
1007	$cb->($pkg);
1008	1
1009	} or warn "$pkg unloaded, but with errors: $@";
1010	}
1011
1012	Symbol::delete_package $pkg;
1013	}	944	}
1014		945
1015	sub load_extensions {	946	sub load_extensions {
1016	for my $ext (<$LIBDIR/*.ext>) {	947	for my $ext (<$LIBDIR/*.ext>) {
1017	next unless -r $ext;	948	next unless -r $ext;
…		…
1021	} or warn "$ext not loaded: $@";	952	} or warn "$ext not loaded: $@";
1022	}	953	}
1023	}	954	}
1024		955
1025	#############################################################################	956	#############################################################################
1026	# load/save/clean perl data associated with a map
1027
1028	*cf::mapsupport::on_clean = sub {
1029	my ($map) = @_;
1030
1031	my $path = $map->tmpname;
1032	defined $path or return;
1033
1034	unlink "$path.pst";
1035	};
1036
1037	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1038
1039	#############################################################################
1040	# load/save perl data associated with player->ob objects
1041
1042	sub all_objects(@) {
1043	@_, map all_objects ($_->inv), @_
1044	}
1045
1046	# TODO: compatibility cruft, remove when no longer needed
1047	cf::player->attach (
1048	on_load => sub {
1049	my ($pl, $path) = @_;
1050
1051	for my $o (all_objects $pl->ob) {
1052	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1053	$o->set_ob_key_value ("_perl_data");
1054
1055	%$o = %{ Storable::thaw pack "H*", $value };
1056	}
1057	}
1058	},
1059	);
1060
1061	#############################################################################
1062		957
1063	=head2 CORE EXTENSIONS	958	=head2 CORE EXTENSIONS
1064		959
1065	Functions and methods that extend core crossfire objects.	960	Functions and methods that extend core crossfire objects.
1066		961
		962	=cut
		963
		964	package cf::player;
		965
		966	use Coro::AIO;
		967
1067	=head3 cf::player	968	=head3 cf::player
1068		969
1069	=over 4	970	=over 4
1070		971
1071	=item cf::player::exists $login	972	=item cf::player::find $login
1072		973
1073	Returns true when the given account exists.	974	Returns the given player object, loading it if necessary (might block).
1074		975
1075	=cut	976	=cut
1076		977
1077	sub cf::player::exists($) {	978	sub playerdir($) {
1078	cf::player::find $_[0]	979	"$PLAYERDIR/"
1079	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	980	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1080	}	981	}
1081		982
		983	sub path($) {
		984	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		985
		986	(playerdir $login) . "/playerdata"
		987	}
		988
		989	sub find_active($) {
		990	$cf::PLAYER{$_[0]}
		991	and $cf::PLAYER{$_[0]}->active
		992	and $cf::PLAYER{$_[0]}
		993	}
		994
		995	sub exists($) {
		996	my ($login) = @_;
		997
		998	$cf::PLAYER{$login}
		999	or cf::sync_job { !aio_stat path $login }
		1000	}
		1001
		1002	sub find($) {
		1003	return $cf::PLAYER{$_[0]} || do {
		1004	my $login = $_[0];
		1005
		1006	my $guard = cf::lock_acquire "user_find:$login";
		1007
		1008	$cf::PLAYER{$_[0]} || do {
		1009	# rename old playerfiles to new ones
		1010	#TODO: remove when no longer required
		1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1014	aio_unlink +(playerdir $login) . "/$login.pl";
		1015
		1016	my $pl = load_pl path $login
		1017	or return;
		1018	$cf::PLAYER{$login} = $pl
		1019	}
		1020	}
		1021	}
		1022
		1023	sub save($) {
		1024	my ($pl) = @_;
		1025
		1026	return if $pl->{deny_save};
		1027
		1028	my $path = path $pl;
		1029	my $guard = cf::lock_acquire "user_save:$path";
		1030
		1031	return if $pl->{deny_save};
		1032
		1033	aio_mkdir playerdir $pl, 0770;
		1034	$pl->{last_save} = $cf::RUNTIME;
		1035
		1036	$pl->save_pl ($path);
		1037	Coro::cede;
		1038	}
		1039
		1040	sub new($) {
		1041	my ($login) = @_;
		1042
		1043	my $self = create;
		1044
		1045	$self->ob->name ($login);
		1046	$self->{deny_save} = 1;
		1047
		1048	$cf::PLAYER{$login} = $self;
		1049
		1050	$self
		1051	}
		1052
		1053	=item $pl->quit_character
		1054
		1055	Nukes the player without looking back. If logged in, the connection will
		1056	be destroyed. May block for a long time.
		1057
		1058	=cut
		1059
		1060	sub quit_character {
		1061	my ($pl) = @_;
		1062
		1063	my $name = $pl->ob->name;
		1064
		1065	$pl->{deny_save} = 1;
		1066	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1067
		1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1069	$pl->deactivate;
		1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1071	$pl->ns->destroy if $pl->ns;
		1072
		1073	my $path = playerdir $pl;
		1074	my $temp = "$path~$cf::RUNTIME~deleting~";
		1075	aio_rename $path, $temp;
		1076	delete $cf::PLAYER{$pl->ob->name};
		1077	$pl->destroy;
		1078
		1079	my $prefix = qr<^~\Q$name\E/>;
		1080
		1081	# nuke player maps
		1082	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1083
		1084	IO::AIO::aio_rmtree $temp;
		1085	}
		1086
		1087	=item $pl->kick
		1088
		1089	Kicks a player out of the game. This destroys the connection.
		1090
		1091	=cut
		1092
		1093	sub kick {
		1094	my ($pl, $kicker) = @_;
		1095
		1096	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1097	$pl->killer ("kicked");
		1098	$pl->ns->destroy;
		1099	}
		1100
		1101	=item cf::player::list_logins
		1102
		1103	Returns am arrayref of all valid playernames in the system, can take a
		1104	while and may block, so not sync_job-capable, ever.
		1105
		1106	=cut
		1107
		1108	sub list_logins {
		1109	my $dirs = aio_readdir $PLAYERDIR
		1110	or return [];
		1111
		1112	my @logins;
		1113
		1114	for my $login (@$dirs) {
		1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1116	aio_read $fh, 0, 512, my $buf, 0 or next;
		1117	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1118
		1119	utf8::decode $login;
		1120	push @logins, $login;
		1121	}
		1122
		1123	\@logins
		1124	}
		1125
		1126	=item $player->maps
		1127
		1128	Returns an arrayref of map paths that are private for this
		1129	player. May block.
		1130
		1131	=cut
		1132
		1133	sub maps($) {
		1134	my ($pl) = @_;
		1135
		1136	$pl = ref $pl ? $pl->ob->name : $pl;
		1137
		1138	my $files = aio_readdir playerdir $pl
		1139	or return;
		1140
		1141	my @paths;
		1142
		1143	for (@$files) {
		1144	utf8::decode $_;
		1145	next if /\.(?:pl|pst)$/;
		1146	next unless /^$PATH_SEP/o;
		1147
		1148	push @paths, cf::map::normalise "~$pl/$_";
		1149	}
		1150
		1151	\@paths
		1152	}
		1153
1082	=item $player->ext_reply ($msgid, $msgtype, %msg)	1154	=item $player->ext_reply ($msgid, %msg)
1083		1155
1084	Sends an ext reply to the player.	1156	Sends an ext reply to the player.
1085		1157
1086	=cut	1158	=cut
1087		1159
1088	sub cf::player::ext_reply($$$%) {	1160	sub ext_reply($$%) {
1089	my ($self, $id, %msg) = @_;	1161	my ($self, $id, %msg) = @_;
1090		1162
1091	$msg{msgid} = $id;	1163	$msg{msgid} = $id;
1092		1164
1093	$self->send ("ext " . to_json \%msg);	1165	$self->send ("ext " . cf::to_json \%msg);
		1166	}
		1167
		1168	=item $player->ext_event ($type, %msg)
		1169
		1170	Sends an ext event to the client.
		1171
		1172	=cut
		1173
		1174	sub ext_event($$%) {
		1175	my ($self, $type, %msg) = @_;
		1176
		1177	$self->ns->ext_event ($type, %msg);
		1178	}
		1179
		1180	=head3 cf::region
		1181
		1182	=over 4
		1183
		1184	=cut
		1185
		1186	package cf::region;
		1187
		1188	=item cf::region::find_by_path $path
		1189
		1190	Tries to decuce the probable region for a map knowing only its path.
		1191
		1192	=cut
		1193
		1194	sub find_by_path($) {
		1195	my ($path) = @_;
		1196
		1197	my ($match, $specificity);
		1198
		1199	for my $region (list) {
		1200	if ($region->match && $path =~ $region->match) {
		1201	($match, $specificity) = ($region, $region->specificity)
		1202	if $region->specificity > $specificity;
		1203	}
		1204	}
		1205
		1206	$match
1094	}	1207	}
1095		1208
1096	=back	1209	=back
1097
1098		1210
1099	=head3 cf::map	1211	=head3 cf::map
1100		1212
1101	=over 4	1213	=over 4
1102		1214
…		…
1105	package cf::map;	1217	package cf::map;
1106		1218
1107	use Fcntl;	1219	use Fcntl;
1108	use Coro::AIO;	1220	use Coro::AIO;
1109		1221
		1222	use overload
		1223	'""' => \&as_string,
		1224	fallback => 1;
		1225
1110	our $MAX_RESET = 3600;	1226	our $MAX_RESET = 3600;
1111	our $DEFAULT_RESET = 3000;	1227	our $DEFAULT_RESET = 3000;
1112		1228
1113	sub generate_random_map {	1229	sub generate_random_map {
1114	my ($path, $rmp) = @_;	1230	my ($self, $rmp) = @_;
1115
1116	# mit "rum" bekleckern, nicht	1231	# mit "rum" bekleckern, nicht
1117	cf::map::_create_random_map	1232	$self->_create_random_map (
1118	$path,
1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122	$rmp->{exit_on_final_map},	1236	$rmp->{exit_on_final_map},
1123	$rmp->{xsize}, $rmp->{ysize},	1237	$rmp->{xsize}, $rmp->{ysize},
1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1241	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129	(cf::region::find $rmp->{region})	1243	(cf::region::find $rmp->{region}), $rmp->{custom}
		1244	)
		1245	}
		1246
		1247	=item cf::map->register ($regex, $prio)
		1248
		1249	Register a handler for the map path matching the given regex at the
		1250	givne priority (higher is better, built-in handlers have priority 0, the
		1251	default).
		1252
		1253	=cut
		1254
		1255	sub register {
		1256	my (undef, $regex, $prio) = @_;
		1257	my $pkg = caller;
		1258
		1259	no strict;
		1260	push @{"$pkg\::ISA"}, __PACKAGE__;
		1261
		1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1263	}
		1264
		1265	# also paths starting with '/'
		1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1267
		1268	sub thawer_merge {
		1269	my ($self, $merge) = @_;
		1270
		1271	# we have to keep some variables in memory intact
		1272	local $self->{path};
		1273	local $self->{load_path};
		1274	local $self->{deny_save};
		1275	local $self->{deny_reset};
		1276
		1277	$self->SUPER::thawer_merge ($merge);
		1278	}
		1279
		1280	sub normalise {
		1281	my ($path, $base) = @_;
		1282
		1283	$path = "$path"; # make sure its a string
		1284
		1285	$path =~ s/\.map$//;
		1286
		1287	# map plan:
		1288	#
		1289	# /! non-realised random map exit (special hack!)
		1290	# {... are special paths that are not being touched
		1291	# ?xxx/... are special absolute paths
		1292	# ?random/... random maps
		1293	# /... normal maps
		1294	# ~user/... per-player map of a specific user
		1295
		1296	$path =~ s/$PATH_SEP/\//go;
		1297
		1298	# treat it as relative path if it starts with
		1299	# something that looks reasonable
		1300	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1301	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1302
		1303	$base =~ s{[^/]+/?$}{};
		1304	$path = "$base/$path";
		1305	}
		1306
		1307	for ($path) {
		1308	redo if s{//}{/};
		1309	redo if s{/\.?/}{/};
		1310	redo if s{/[^/]+/\.\./}{/};
		1311	}
		1312
		1313	$path
		1314	}
		1315
		1316	sub new_from_path {
		1317	my (undef, $path, $base) = @_;
		1318
		1319	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1320
		1321	$path = normalise $path, $base;
		1322
		1323	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1324	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1325	my $self = bless cf::map::new, $pkg;
		1326	$self->{path} = $path; $self->path ($path);
		1327	$self->init; # pass $1 etc.
		1328	return $self;
		1329	}
		1330	}
		1331
		1332	Carp::carp "unable to resolve path '$path' (base '$base').";
		1333	()
		1334	}
		1335
		1336	sub init {
		1337	my ($self) = @_;
		1338
		1339	$self
		1340	}
		1341
		1342	sub as_string {
		1343	my ($self) = @_;
		1344
		1345	"$self->{path}"
		1346	}
		1347
		1348	# the displayed name, this is a one way mapping
		1349	sub visible_name {
		1350	&as_string
		1351	}
		1352
		1353	# the original (read-only) location
		1354	sub load_path {
		1355	my ($self) = @_;
		1356
		1357	"$MAPDIR/$self->{path}.map"
		1358	}
		1359
		1360	# the temporary/swap location
		1361	sub save_path {
		1362	my ($self) = @_;
		1363
		1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1365	"$TMPDIR/$path.map"
		1366	}
		1367
		1368	# the unique path, undef == no special unique path
		1369	sub uniq_path {
		1370	my ($self) = @_;
		1371
		1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1373	"$UNIQUEDIR/$path"
1130	}	1374	}
1131		1375
1132	# and all this just because we cannot iterate over	1376	# and all this just because we cannot iterate over
1133	# all maps in C++...	1377	# all maps in C++...
1134	sub change_all_map_light {	1378	sub change_all_map_light {
…		…
1136		1380
1137	$_->change_map_light ($change)	1381	$_->change_map_light ($change)
1138	for grep $_->outdoor, values %cf::MAP;	1382	for grep $_->outdoor, values %cf::MAP;
1139	}	1383	}
1140		1384
		1385	sub unlink_save {
		1386	my ($self) = @_;
		1387
		1388	utf8::encode (my $save = $self->save_path);
		1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1390	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1391	}
		1392
1141	sub try_load_header($) {	1393	sub load_header_from($) {
1142	my ($path) = @_;	1394	my ($self, $path) = @_;
1143		1395
1144	utf8::encode $path;	1396	utf8::encode $path;
1145	aio_open $path, O_RDONLY, 0	1397	#aio_open $path, O_RDONLY, 0
		1398	# or return;
		1399
		1400	$self->_load_header ($path)
1146	or return;	1401	or return;
1147		1402
1148	my $map = cf::map::new	1403	$self->{load_path} = $path;
		1404
		1405	1
		1406	}
		1407
		1408	sub load_header_orig {
		1409	my ($self) = @_;
		1410
		1411	$self->load_header_from ($self->load_path)
		1412	}
		1413
		1414	sub load_header_temp {
		1415	my ($self) = @_;
		1416
		1417	$self->load_header_from ($self->save_path)
		1418	}
		1419
		1420	sub prepare_temp {
		1421	my ($self) = @_;
		1422
		1423	$self->last_access ((delete $self->{last_access})
		1424	|| $cf::RUNTIME); #d#
		1425	# safety
		1426	$self->{instantiate_time} = $cf::RUNTIME
		1427	if $self->{instantiate_time} > $cf::RUNTIME;
		1428	}
		1429
		1430	sub prepare_orig {
		1431	my ($self) = @_;
		1432
		1433	$self->{load_original} = 1;
		1434	$self->{instantiate_time} = $cf::RUNTIME;
		1435	$self->last_access ($cf::RUNTIME);
		1436	$self->instantiate;
		1437	}
		1438
		1439	sub load_header {
		1440	my ($self) = @_;
		1441
		1442	if ($self->load_header_temp) {
		1443	$self->prepare_temp;
		1444	} else {
		1445	$self->load_header_orig
1149	or return;	1446	or return;
		1447	$self->prepare_orig;
		1448	}
1150		1449
1151	# for better error messages only, will be overwritten	1450	$self->default_region (cf::region::find_by_path $self->{path})
1152	$map->path ($path);	1451	unless $self->default_region;
1153		1452
1154	$map->load_header ($path)	1453	1
1155	or return;
1156
1157	$map->{load_path} = $path;
1158
1159	$map
1160	}	1454	}
1161		1455
1162	sub find;	1456	sub find;
1163	sub find {	1457	sub find {
1164	my ($path, $origin) = @_;	1458	my ($path, $origin) = @_;
1165		1459
1166	#warn "find<$path,$origin>\n";#d#
1167
1168	$path = new cf::path $path, $origin && $origin->path;	1460	$path = normalise $path, $origin && $origin->path;
1169	my $key = $path->as_string;
1170		1461
1171	cf::lock_wait "map_find:$key";	1462	cf::lock_wait "map_find:$path";
1172		1463
1173	$cf::MAP{$key} || do {	1464	$cf::MAP{$path} || do {
1174	my $guard = cf::lock_acquire "map_find:$key";	1465	my $guard = cf::lock_acquire "map_find:$path";
1175		1466	my $map = new_from_path cf::map $path
1176	# do it the slow way
1177	my $map = try_load_header $path->save_path;
1178
1179	Coro::cede;
1180
1181	if ($map) {
1182	$map->last_access ((delete $map->{last_access})
1183	|| $cf::RUNTIME); #d#
1184	# safety
1185	$map->{instantiate_time} = $cf::RUNTIME
1186	if $map->{instantiate_time} > $cf::RUNTIME;
1187	} else {
1188	if (my $rmp = $path->random_map_params) {
1189	$map = generate_random_map $key, $rmp;
1190	} else {
1191	$map = try_load_header $path->load_path;
1192	}
1193
1194	$map or return;	1467	or return;
1195		1468
1196	$map->{load_original} = 1;
1197	$map->{instantiate_time} = $cf::RUNTIME;
1198	$map->last_access ($cf::RUNTIME);
1199	$map->instantiate;
1200
1201	# per-player maps become, after loading, normal maps
1202	$map->per_player (0) if $path->{user_rel};
1203	}
1204
1205	$map->path ($key);
1206	$map->{path} = $path;
1207	$map->{last_save} = $cf::RUNTIME;	1469	$map->{last_save} = $cf::RUNTIME;
1208		1470
1209	Coro::cede;	1471	$map->load_header
		1472	or return;
1210		1473
1211	if ($map->should_reset) {	1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1475	# doing this can freeze the server in a sync job, obviously
		1476	#$cf::WAIT_FOR_TICK->wait;
1212	$map->reset;	1477	$map->reset;
1213	undef $guard;	1478	undef $guard;
1214	$map = find $path	1479	return find $path;
1215	or return;
1216	}	1480	}
1217		1481
1218	$cf::MAP{$key} = $map	1482	$cf::MAP{$path} = $map
1219	}	1483	}
1220	}	1484	}
		1485
		1486	sub pre_load { }
		1487	sub post_load { }
1221		1488
1222	sub load {	1489	sub load {
1223	my ($self) = @_;	1490	my ($self) = @_;
1224		1491
		1492	local $self->{deny_reset} = 1; # loading can take a long time
		1493
1225	my $path = $self->{path};	1494	my $path = $self->{path};
		1495
		1496	{
1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1497	my $guard = cf::lock_acquire "map_load:$path";
1227		1498
1228	return if $self->in_memory != cf::MAP_SWAPPED;	1499	return if $self->in_memory != cf::MAP_SWAPPED;
1229		1500
1230	$self->in_memory (cf::MAP_LOADING);	1501	$self->in_memory (cf::MAP_LOADING);
1231		1502
1232	$self->alloc;	1503	$self->alloc;
		1504
		1505	$self->pre_load;
		1506	Coro::cede;
		1507
1233	$self->load_objects ($self->{load_path}, 1)	1508	$self->_load_objects ($self->{load_path}, 1)
1234	or return;	1509	or return;
1235		1510
1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237	if delete $self->{load_original};	1512	if delete $self->{load_original};
1238		1513
1239	if (my $uniq = $path->uniq_path) {	1514	if (my $uniq = $self->uniq_path) {
1240	utf8::encode $uniq;	1515	utf8::encode $uniq;
1241	if (aio_open $uniq, O_RDONLY, 0) {	1516	if (aio_open $uniq, O_RDONLY, 0) {
1242	$self->clear_unique_items;	1517	$self->clear_unique_items;
1243	$self->load_objects ($uniq, 0);	1518	$self->_load_objects ($uniq, 0);
1244	}	1519	}
1245	}	1520	}
1246		1521
1247	Coro::cede;	1522	Coro::cede;
1248
1249	# now do the right thing for maps	1523	# now do the right thing for maps
1250	$self->link_multipart_objects;	1524	$self->link_multipart_objects;
1251
1252	if ($self->{path}->is_style_map) {
1253	$self->{deny_save} = 1;
1254	$self->{deny_reset} = 1;
1255	} else {
1256	$self->fix_auto_apply;
1257	$self->decay_objects;
1258	$self->update_buttons;
1259	$self->set_darkness_map;
1260	$self->difficulty ($self->estimate_difficulty)	1525	$self->difficulty ($self->estimate_difficulty)
1261	unless $self->difficulty;	1526	unless $self->difficulty;
		1527	Coro::cede;
		1528
		1529	unless ($self->{deny_activate}) {
		1530	$self->decay_objects;
		1531	$self->fix_auto_apply;
		1532	$self->update_buttons;
		1533	Coro::cede;
		1534	$self->set_darkness_map;
		1535	Coro::cede;
1262	$self->activate;	1536	$self->activate;
1263	}	1537	}
1264		1538
1265	Coro::cede;
1266
1267	$self->in_memory (cf::MAP_IN_MEMORY);	1539	$self->in_memory (cf::MAP_IN_MEMORY);
		1540	}
		1541
		1542	$self->post_load;
		1543	}
		1544
		1545	sub customise_for {
		1546	my ($self, $ob) = @_;
		1547
		1548	return find "~" . $ob->name . "/" . $self->{path}
		1549	if $self->per_player;
		1550
		1551	$self
		1552	}
		1553
		1554	# find and load all maps in the 3x3 area around a map
		1555	sub load_diag {
		1556	my ($map) = @_;
		1557
		1558	my @diag; # diagonal neighbours
		1559
		1560	for (0 .. 3) {
		1561	my $neigh = $map->tile_path ($_)
		1562	or next;
		1563	$neigh = find $neigh, $map
		1564	or next;
		1565	$neigh->load;
		1566
		1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1569	}
		1570
		1571	for (@diag) {
		1572	my $neigh = find @$_
		1573	or next;
		1574	$neigh->load;
		1575	}
1268	}	1576	}
1269		1577
1270	sub find_sync {	1578	sub find_sync {
1271	my ($path, $origin) = @_;	1579	my ($path, $origin) = @_;
1272		1580
1273	cf::sync_job { cf::map::find $path, $origin }	1581	cf::sync_job { find $path, $origin }
1274	}	1582	}
1275		1583
1276	sub do_load_sync {	1584	sub do_load_sync {
1277	my ($map) = @_;	1585	my ($map) = @_;
1278		1586
1279	cf::sync_job { $map->load };	1587	cf::sync_job { $map->load };
1280	}	1588	}
1281		1589
		1590	our %MAP_PREFETCH;
		1591	our $MAP_PREFETCHER = undef;
		1592
		1593	sub find_async {
		1594	my ($path, $origin) = @_;
		1595
		1596	$path = normalise $path, $origin && $origin->{path};
		1597
		1598	if (my $map = $cf::MAP{$path}) {
		1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1600	}
		1601
		1602	undef $MAP_PREFETCH{$path};
		1603	$MAP_PREFETCHER ||= cf::async {
		1604	while (%MAP_PREFETCH) {
		1605	for my $path (keys %MAP_PREFETCH) {
		1606	my $map = find $path
		1607	or next;
		1608	$map->load;
		1609
		1610	delete $MAP_PREFETCH{$path};
		1611	}
		1612	}
		1613	undef $MAP_PREFETCHER;
		1614	};
		1615	$MAP_PREFETCHER->prio (6);
		1616
		1617	()
		1618	}
		1619
1282	sub save {	1620	sub save {
1283	my ($self) = @_;	1621	my ($self) = @_;
1284		1622
1285	my $lock = cf::lock_acquire "map_data:" . $self->path;	1623	my $lock = cf::lock_acquire "map_data:" . $self->path;
1286		1624
1287	$self->{last_save} = $cf::RUNTIME;	1625	$self->{last_save} = $cf::RUNTIME;
1288		1626
1289	return unless $self->dirty;	1627	return unless $self->dirty;
1290		1628
1291	my $save = $self->{path}->save_path; utf8::encode $save;	1629	my $save = $self->save_path; utf8::encode $save;
1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1630	my $uniq = $self->uniq_path; utf8::encode $uniq;
1293		1631
1294	$self->{load_path} = $save;	1632	$self->{load_path} = $save;
1295		1633
1296	return if $self->{deny_save};	1634	return if $self->{deny_save};
1297		1635
1298	local $self->{last_access} = $self->last_access;#d#	1636	local $self->{last_access} = $self->last_access;#d#
1299		1637
		1638	cf::async {
		1639	$_->contr->save for $self->players;
		1640	};
		1641
1300	if ($uniq) {	1642	if ($uniq) {
1301	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302	$self->save_objects ($uniq, cf::IO_UNIQUES);	1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1303	} else {	1645	} else {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1305	}	1647	}
1306	}	1648	}
1307		1649
1308	sub swap_out {	1650	sub swap_out {
1309	my ($self) = @_;	1651	my ($self) = @_;
…		…
1323		1665
1324	sub reset_at {	1666	sub reset_at {
1325	my ($self) = @_;	1667	my ($self) = @_;
1326		1668
1327	# TODO: safety, remove and allow resettable per-player maps	1669	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1671	return 1e99 if $self->{deny_reset};
1330		1672
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1675
…		…
1338	my ($self) = @_;	1680	my ($self) = @_;
1339		1681
1340	$self->reset_at <= $cf::RUNTIME	1682	$self->reset_at <= $cf::RUNTIME
1341	}	1683	}
1342		1684
1343	sub unlink_save {
1344	my ($self) = @_;
1345
1346	utf8::encode (my $save = $self->{path}->save_path);
1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349	}
1350
1351	sub rename {
1352	my ($self, $new_path) = @_;
1353
1354	$self->unlink_save;
1355
1356	delete $cf::MAP{$self->path};
1357	$self->{path} = new cf::path $new_path;
1358	$self->path ($self->{path}->as_string);
1359	$cf::MAP{$self->path} = $self;
1360
1361	$self->save;
1362	}
1363
1364	sub reset {	1685	sub reset {
1365	my ($self) = @_;	1686	my ($self) = @_;
1366		1687
1367	my $lock = cf::lock_acquire "map_data:" . $self->path;	1688	my $lock = cf::lock_acquire "map_data:$self->{path}";
1368		1689
1369	return if $self->players;	1690	return if $self->players;
1370	return if $self->{path}{user_rel};#d#	1691	return if $self->isa ("ext::map_per_player");#d#
1371		1692
1372	warn "resetting map ", $self->path;#d#	1693	warn "resetting map ", $self->path;#d#
1373		1694
		1695	$self->in_memory (cf::MAP_SWAPPED);
		1696
		1697	# need to save uniques path
		1698	unless ($self->{deny_save}) {
		1699	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1700
		1701	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1702	if $uniq;
		1703	}
		1704
1374	delete $cf::MAP{$self->path};	1705	delete $cf::MAP{$self->path};
		1706
		1707	$self->clear;
1375		1708
1376	$_->clear_links_to ($self) for values %cf::MAP;	1709	$_->clear_links_to ($self) for values %cf::MAP;
1377		1710
1378	$self->unlink_save;	1711	$self->unlink_save;
1379	$self->destroy;	1712	$self->destroy;
…		…
1382	my $nuke_counter = "aaaa";	1715	my $nuke_counter = "aaaa";
1383		1716
1384	sub nuke {	1717	sub nuke {
1385	my ($self) = @_;	1718	my ($self) = @_;
1386		1719
		1720	delete $cf::MAP{$self->path};
		1721
		1722	$self->unlink_save;
		1723
		1724	bless $self, "cf::map";
		1725	delete $self->{deny_reset};
1387	$self->{deny_save} = 1;	1726	$self->{deny_save} = 1;
1388	$self->reset_timeout (1);	1727	$self->reset_timeout (1);
1389	$self->rename ("{nuke}/" . ($nuke_counter++));	1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1729
		1730	$cf::MAP{$self->path} = $self;
		1731
1390	$self->reset; # polite request, might not happen	1732	$self->reset; # polite request, might not happen
1391	}	1733	}
1392		1734
1393	sub customise_for {	1735	=item cf::map::unique_maps
1394	my ($map, $ob) = @_;
1395		1736
1396	if ($map->per_player) {	1737	Returns an arrayref of paths of all shared maps that have
1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1738	instantiated unique items. May block.
1398	}
1399		1739
1400	$map	1740	=cut
1401	}
1402		1741
1403	sub emergency_save {	1742	sub unique_maps() {
1404	my $freeze_guard = cf::freeze_mainloop;	1743	my $files = aio_readdir $UNIQUEDIR
		1744	or return;
1405		1745
1406	warn "enter emergency map save\n";	1746	my @paths;
1407		1747
1408	cf::sync_job {	1748	for (@$files) {
1409	warn "begin emergency map save\n";	1749	utf8::decode $_;
1410	$_->save for values %cf::MAP;	1750	next if /\.pst$/;
		1751	next unless /^$PATH_SEP/o;
		1752
		1753	push @paths, cf::map::normalise $_;
1411	};	1754	}
1412		1755
1413	warn "end emergency map save\n";	1756	\@paths
1414	}	1757	}
1415		1758
1416	package cf;	1759	package cf;
1417		1760
1418	=back	1761	=back
1419		1762
		1763	=head3 cf::object
		1764
		1765	=cut
		1766
		1767	package cf::object;
		1768
		1769	=over 4
		1770
		1771	=item $ob->inv_recursive
		1772
		1773	Returns the inventory of the object _and_ their inventories, recursively.
		1774
		1775	=cut
		1776
		1777	sub inv_recursive_;
		1778	sub inv_recursive_ {
		1779	map { $_, inv_recursive_ $_->inv } @_
		1780	}
		1781
		1782	sub inv_recursive {
		1783	inv_recursive_ inv $_[0]
		1784	}
		1785
		1786	package cf;
		1787
		1788	=back
1420		1789
1421	=head3 cf::object::player	1790	=head3 cf::object::player
1422		1791
1423	=over 4	1792	=over 4
1424		1793
…		…
1464		1833
1465	=item $player_object->enter_link	1834	=item $player_object->enter_link
1466		1835
1467	Freezes the player and moves him/her to a special map (C<{link}>).	1836	Freezes the player and moves him/her to a special map (C<{link}>).
1468		1837
1469	The player should be reaosnably safe there for short amounts of time. You	1838	The player should be reasonably safe there for short amounts of time. You
1470	I<MUST> call C<leave_link> as soon as possible, though.	1839	I<MUST> call C<leave_link> as soon as possible, though.
1471		1840
		1841	Will never block.
		1842
1472	=item $player_object->leave_link ($map, $x, $y)	1843	=item $player_object->leave_link ($map, $x, $y)
1473		1844
1474	Moves the player out of the specila link map onto the given map. If the	1845	Moves the player out of the special C<{link}> map onto the specified
1475	map is not valid (or omitted), the player will be moved back to the	1846	map. If the map is not valid (or omitted), the player will be moved back
1476	location he/she was before the call to C<enter_link>, or, if that fails,	1847	to the location he/she was before the call to C<enter_link>, or, if that
1477	to the emergency map position.	1848	fails, to the emergency map position.
1478		1849
1479	Might block.	1850	Might block.
1480		1851
1481	=cut	1852	=cut
		1853
		1854	sub link_map {
		1855	unless ($LINK_MAP) {
		1856	$LINK_MAP = cf::map::find "{link}"
		1857	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1858	$LINK_MAP->load;
		1859	}
		1860
		1861	$LINK_MAP
		1862	}
1482		1863
1483	sub cf::object::player::enter_link {	1864	sub cf::object::player::enter_link {
1484	my ($self) = @_;	1865	my ($self) = @_;
1485		1866
1486	$self->deactivate_recursive;	1867	$self->deactivate_recursive;
1487		1868
1488	return if $self->map == $LINK_MAP;	1869	return if UNIVERSAL::isa $self->map, "ext::map_link";
1489		1870
1490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491	if $self->map;	1872	if $self->map;
1492		1873
1493	$self->enter_map ($LINK_MAP, 20, 20);	1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1494	}	1875	}
1495		1876
1496	sub cf::object::player::leave_link {	1877	sub cf::object::player::leave_link {
1497	my ($self, $map, $x, $y) = @_;	1878	my ($self, $map, $x, $y) = @_;
1498		1879
…		…
1516	# use -1 or undef as default coordinates, not 0, 0	1897	# use -1 or undef as default coordinates, not 0, 0
1517	($x, $y) = ($map->enter_x, $map->enter_y)	1898	($x, $y) = ($map->enter_x, $map->enter_y)
1518	if $x <=0 && $y <= 0;	1899	if $x <=0 && $y <= 0;
1519		1900
1520	$map->load;	1901	$map->load;
		1902	$map->load_diag;
1521		1903
		1904	return unless $self->contr->active;
1522	$self->activate_recursive;	1905	$self->activate_recursive;
		1906
		1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1523	$self->enter_map ($map, $x, $y);	1908	$self->enter_map ($map, $x, $y);
1524	}	1909	}
1525		1910
1526	cf::player->attach (	1911	cf::player->attach (
1527	on_logout => sub {	1912	on_logout => sub {
…		…
1539		1924
1540	# try to abort aborted map switching on player login :)	1925	# try to abort aborted map switching on player login :)
1541	# should happen only on crashes	1926	# should happen only on crashes
1542	if ($pl->ob->{_link_pos}) {	1927	if ($pl->ob->{_link_pos}) {
1543	$pl->ob->enter_link;	1928	$pl->ob->enter_link;
1544	Coro::async_pool {	1929	(async {
		1930	$pl->ob->reply (undef,
		1931	"There was an internal problem at your last logout, "
		1932	. "the server will try to bring you to your intended destination in a second.",
		1933	cf::NDI_RED);
1545	# we need this sleep as the login has a concurrent enter_exit running	1934	# we need this sleep as the login has a concurrent enter_exit running
1546	# and this sleep increases chances of the player not ending up in scorn	1935	# and this sleep increases chances of the player not ending up in scorn
1547	Coro::Timer::sleep 1;	1936	Coro::Timer::sleep 1;
1548	$pl->ob->leave_link;	1937	$pl->ob->leave_link;
1549	};	1938	})->prio (2);
1550	}	1939	}
1551	},	1940	},
1552	);	1941	);
1553		1942
1554	=item $player_object->goto ($path, $x, $y)	1943	=item $player_object->goto ($path, $x, $y)
…		…
1558	sub cf::object::player::goto {	1947	sub cf::object::player::goto {
1559	my ($self, $path, $x, $y) = @_;	1948	my ($self, $path, $x, $y) = @_;
1560		1949
1561	$self->enter_link;	1950	$self->enter_link;
1562		1951
1563	(Coro::async_pool {	1952	(async {
1564	$path = new cf::path $path;	1953	my $map = eval {
1565
1566	my $map = cf::map::find $path->as_string;	1954	my $map = cf::map::find $path;
1567	$map = $map->customise_for ($self) if $map;	1955	$map = $map->customise_for ($self) if $map;
1568		1956	$map
1569	# warn "entering ", $map->path, " at ($x, $y)\n"	1957	} or
1570	# if $map;
1571
1572	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1573		1959
1574	$self->leave_link ($map, $x, $y);	1960	$self->leave_link ($map, $x, $y);
1575	})->prio (1);	1961	})->prio (1);
1576	}	1962	}
1577		1963
…		…
1581		1967
1582	sub parse_random_map_params {	1968	sub parse_random_map_params {
1583	my ($spec) = @_;	1969	my ($spec) = @_;
1584		1970
1585	my $rmp = { # defaults	1971	my $rmp = { # defaults
1586	xsize => 10,	1972	xsize => (cf::rndm 15, 40),
1587	ysize => 10,	1973	ysize => (cf::rndm 15, 40),
		1974	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1975	#layout => string,
1588	};	1976	};
1589		1977
1590	for (split /\n/, $spec) {	1978	for (split /\n/, $spec) {
1591	my ($k, $v) = split /\s+/, $_, 2;	1979	my ($k, $v) = split /\s+/, $_, 2;
1592		1980
…		…
1596	$rmp	1984	$rmp
1597	}	1985	}
1598		1986
1599	sub prepare_random_map {	1987	sub prepare_random_map {
1600	my ($exit) = @_;	1988	my ($exit) = @_;
		1989
		1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1601		1991
1602	# all this does is basically replace the /! path by	1992	# all this does is basically replace the /! path by
1603	# a new random map path (?random/...) with a seed	1993	# a new random map path (?random/...) with a seed
1604	# that depends on the exit object	1994	# that depends on the exit object
1605		1995
1606	my $rmp = parse_random_map_params $exit->msg;	1996	my $rmp = parse_random_map_params $exit->msg;
1607		1997
1608	if ($exit->map) {	1998	if ($exit->map) {
1609	$rmp->{region} = $exit->map->region_name;	1999	$rmp->{region} = $exit->region->name;
1610	$rmp->{origin_map} = $exit->map->path;	2000	$rmp->{origin_map} = $exit->map->path;
1611	$rmp->{origin_x} = $exit->x;	2001	$rmp->{origin_x} = $exit->x;
1612	$rmp->{origin_y} = $exit->y;	2002	$rmp->{origin_y} = $exit->y;
1613	}	2003	}
1614		2004
1615	$rmp->{random_seed} ||= $exit->random_seed;	2005	$rmp->{random_seed} ||= $exit->random_seed;
1616		2006
1617	my $data = cf::to_json $rmp;	2007	my $data = cf::to_json $rmp;
1618	my $md5 = Digest::MD5::md5_hex $data;	2008	my $md5 = Digest::MD5::md5_hex $data;
		2009	my $meta = "$RANDOMDIR/$md5.meta";
1619		2010
1620	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1621	aio_write $fh, 0, (length $data), $data, 0;	2012	aio_write $fh, 0, (length $data), $data, 0;
		2013	undef $fh;
		2014	aio_rename "$meta~", $meta;
1622		2015
1623	$exit->slaying ("?random/$md5");	2016	$exit->slaying ("?random/$md5");
1624	$exit->msg (undef);	2017	$exit->msg (undef);
1625	}	2018	}
1626	}	2019	}
…		…
1628	sub cf::object::player::enter_exit {	2021	sub cf::object::player::enter_exit {
1629	my ($self, $exit) = @_;	2022	my ($self, $exit) = @_;
1630		2023
1631	return unless $self->type == cf::PLAYER;	2024	return unless $self->type == cf::PLAYER;
1632		2025
		2026	if ($exit->slaying eq "/!") {
		2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2028	# the problem is that $exit might not survive long enough
		2029	# so it needs to be done right now, right here
		2030	cf::sync_job { prepare_random_map $exit };
		2031	}
		2032
		2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2034	my $hp = $exit->stats->hp;
		2035	my $sp = $exit->stats->sp;
		2036
1633	$self->enter_link;	2037	$self->enter_link;
1634		2038
1635	(Coro::async_pool {	2039	(async {
1636	$self->deactivate_recursive; # just to be sure	2040	$self->deactivate_recursive; # just to be sure
1637	unless (eval {	2041	unless (eval {
1638	prepare_random_map $exit	2042	$self->goto ($slaying, $hp, $sp);
1639	if $exit->slaying eq "/!";
1640
1641	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1642	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1643		2043
1644	1;	2044	1;
1645	}) {	2045	}) {
1646	$self->message ("Something went wrong deep within the crossfire server. "	2046	$self->message ("Something went wrong deep within the crossfire server. "
1647	. "I'll try to bring you back to the map you were before. "	2047	. "I'll try to bring you back to the map you were before. "
1648	. "Please report this to the dungeon master",	2048	. "Please report this to the dungeon master!",
1649	cf::NDI_UNIQUE | cf::NDI_RED);	2049	cf::NDI_UNIQUE | cf::NDI_RED);
1650		2050
1651	warn "ERROR in enter_exit: $@";	2051	warn "ERROR in enter_exit: $@";
1652	$self->leave_link;	2052	$self->leave_link;
1653	}	2053	}
1654	})->prio (1);	2054	})->prio (1);
…		…
1667		2067
1668	sub cf::client::send_drawinfo {	2068	sub cf::client::send_drawinfo {
1669	my ($self, $text, $flags) = @_;	2069	my ($self, $text, $flags) = @_;
1670		2070
1671	utf8::encode $text;	2071	utf8::encode $text;
1672	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1673	}	2073	}
1674		2074
		2075	=item $client->ext_event ($type, %msg)
		2076
		2077	Sends an exti event to the client.
		2078
		2079	=cut
		2080
		2081	sub cf::client::ext_event($$%) {
		2082	my ($self, $type, %msg) = @_;
		2083
		2084	$msg{msgtype} = "event_$type";
		2085	$self->send_packet ("ext " . cf::to_json \%msg);
		2086	}
1675		2087
1676	=item $success = $client->query ($flags, "text", \&cb)	2088	=item $success = $client->query ($flags, "text", \&cb)
1677		2089
1678	Queues a query to the client, calling the given callback with	2090	Queues a query to the client, calling the given callback with
1679	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1708	# get handled first	2120	# get handled first
1709	my $queue = delete $ns->{query_queue}	2121	my $queue = delete $ns->{query_queue}
1710	or return; # be conservative, not sure how that can happen, but we saw a crash here	2122	or return; # be conservative, not sure how that can happen, but we saw a crash here
1711		2123
1712	(shift @$queue)->[1]->($msg);	2124	(shift @$queue)->[1]->($msg);
		2125	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1713		2126
1714	push @{ $ns->{query_queue} }, @$queue;	2127	push @{ $ns->{query_queue} }, @$queue;
1715		2128
1716	if (@{ $ns->{query_queue} } == @$queue) {	2129	if (@{ $ns->{query_queue} } == @$queue) {
1717	if (@$queue) {	2130	if (@$queue) {
…		…
1721	}	2134	}
1722	}	2135	}
1723	},	2136	},
1724	);	2137	);
1725		2138
1726	=item $client->coro (\&cb)	2139	=item $client->async (\&cb)
1727		2140
1728	Create a new coroutine, running the specified callback. The coroutine will	2141	Create a new coroutine, running the specified callback. The coroutine will
1729	be automatically cancelled when the client gets destroyed (e.g. on logout,	2142	be automatically cancelled when the client gets destroyed (e.g. on logout,
1730	or loss of connection).	2143	or loss of connection).
1731		2144
1732	=cut	2145	=cut
1733		2146
1734	sub cf::client::coro {	2147	sub cf::client::async {
1735	my ($self, $cb) = @_;	2148	my ($self, $cb) = @_;
1736		2149
1737	my $coro = &Coro::async_pool ($cb);	2150	my $coro = &Coro::async ($cb);
1738		2151
1739	$coro->on_destroy (sub {	2152	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2153	delete $self->{_coro}{$coro+0};
1741	});	2154	});
1742		2155
…		…
1775		2188
1776	# here we export the classes and methods available to script code	2189	# here we export the classes and methods available to script code
1777		2190
1778	=pod	2191	=pod
1779		2192
1780	The following fucntions and emthods are available within a safe environment:	2193	The following functions and methods are available within a safe environment:
1781		2194
1782	cf::object contr pay_amount pay_player map	2195	cf::object contr pay_amount pay_player map
1783	cf::object::player player	2196	cf::object::player player
1784	cf::player peaceful	2197	cf::player peaceful
1785	cf::map trigger	2198	cf::map trigger
…		…
1870	#############################################################################	2283	#############################################################################
1871		2284
1872	=head2 EXTENSION DATABASE SUPPORT	2285	=head2 EXTENSION DATABASE SUPPORT
1873		2286
1874	Crossfire maintains a very simple database for extension use. It can	2287	Crossfire maintains a very simple database for extension use. It can
1875	currently store anything that can be serialised using Storable, which	2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1876	excludes objects.	2289	convert to/from binary).
1877		2290
1878	The parameter C<$family> should best start with the name of the extension	2291	The parameter C<$family> should best start with the name of the extension
1879	using it, it should be unique.	2292	using it, it should be unique.
1880		2293
1881	=over 4	2294	=over 4
1882		2295
1883	=item $hashref = cf::db_get $family
1884
1885	Return a hashref for use by the extension C<$family>, which can be
1886	modified. After modifications, you have to call C<cf::db_dirty> or
1887	C<cf::db_sync>.
1888
1889	=item $value = cf::db_get $family => $key	2296	=item $value = cf::db_get $family => $key
1890		2297
1891	Returns a single value from the database	2298	Returns a single value from the database.
1892
1893	=item cf::db_put $family => $hashref
1894
1895	Stores the given family hashref into the database. Updates are delayed, if
1896	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1897		2299
1898	=item cf::db_put $family => $key => $value	2300	=item cf::db_put $family => $key => $value
1899		2301
1900	Stores the given C<$value> in the family hash. Updates are delayed, if you	2302	Stores the given C<$value> in the family.
1901	want the data to be synced to disk immediately, use C<cf::db_sync>.
1902
1903	=item cf::db_dirty
1904
1905	Marks the database as dirty, to be updated at a later time.
1906
1907	=item cf::db_sync
1908
1909	Immediately write the database to disk I<if it is dirty>.
1910		2303
1911	=cut	2304	=cut
1912		2305
1913	our $DB;	2306	our $DB;
1914		2307
1915	{	2308	sub db_init {
1916	my $path = cf::localdir . "/database.pst";	2309	unless ($DB) {
		2310	$DB = BDB::db_create $DB_ENV;
1917		2311
1918	sub db_load() {	2312	cf::sync_job {
1919	$DB = stat $path ? Storable::retrieve $path : { };	2313	eval {
1920	}	2314	$DB->set_flags (BDB::CHKSUM);
1921		2315
1922	my $pid;	2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1923		2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1924	sub db_save() {	2318	cf::cleanup "db_open(db): $!" if $!;
1925	waitpid $pid, 0 if $pid;	2319	};
1926	if (0 == ($pid = fork)) {	2320	cf::cleanup "db_open(db): $@" if $@;
1927	$DB->{_meta}{version} = 1;
1928	Storable::nstore $DB, "$path~";
1929	rename "$path~", $path;
1930	cf::_exit 0 if defined $pid;
1931	}	2321	};
1932	}
1933
1934	my $dirty;
1935
1936	sub db_sync() {
1937	db_save if $dirty;
1938	undef $dirty;
1939	}
1940
1941	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1942	db_sync;
1943	});	2322	}
		2323	}
1944		2324
1945	sub db_dirty() {
1946	$dirty = 1;
1947	$idle->start;
1948	}
1949
1950	sub db_get($;$) {	2325	sub db_get($$) {
1951	@_ >= 2	2326	my $key = "$_[0]/$_[1]";
1952	? $DB->{$_[0]}{$_[1]}
1953	: ($DB->{$_[0]} ||= { })
1954	}
1955		2327
		2328	cf::sync_job {
		2329	BDB::db_get $DB, undef, $key, my $data;
		2330
		2331	$! ? ()
		2332	: $data
		2333	}
		2334	}
		2335
1956	sub db_put($$;$) {	2336	sub db_put($$$) {
1957	if (@_ >= 3) {	2337	BDB::dbreq_pri 4;
1958	$DB->{$_[0]}{$_[1]} = $_[2];	2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1959	} else {	2339	}
1960	$DB->{$_[0]} = $_[1];
1961	}
1962	db_dirty;
1963	}
1964		2340
1965	cf::global->attach (	2341	=item cf::cache $id => [$paths...], $processversion => $process
1966	prio => 10000,	2342
1967	on_cleanup => sub {	2343	Generic caching function that returns the value of the resource $id,
1968	db_sync;	2344	caching and regenerating as required.
		2345
		2346	This function can block.
		2347
		2348	=cut
		2349
		2350	sub cache {
		2351	my ($id, $src, $processversion, $process) = @_;
		2352
		2353	my $meta =
		2354	join "\x00",
		2355	$processversion,
		2356	map {
		2357	aio_stat $_
		2358	and Carp::croak "$_: $!";
		2359
		2360	($_, (stat _)[7,9])
		2361	} @$src;
		2362
		2363	my $dbmeta = db_get cache => "$id/meta";
		2364	if ($dbmeta ne $meta) {
		2365	# changed, we may need to process
		2366
		2367	my @data;
		2368	my $md5;
		2369
		2370	for (0 .. $#$src) {
		2371	0 <= aio_load $src->[$_], $data[$_]
		2372	or Carp::croak "$src->[$_]: $!";
1969	},	2373	}
1970	);	2374
		2375	# if processing is expensive, check
		2376	# checksum first
		2377	if (1) {
		2378	$md5 =
		2379	join "\x00",
		2380	$processversion,
		2381	map {
		2382	Coro::cede;
		2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2384	} 0.. $#$src;
		2385
		2386
		2387	my $dbmd5 = db_get cache => "$id/md5";
		2388	if ($dbmd5 eq $md5) {
		2389	db_put cache => "$id/meta", $meta;
		2390
		2391	return db_get cache => "$id/data";
		2392	}
		2393	}
		2394
		2395	my $t1 = Time::HiRes::time;
		2396	my $data = $process->(\@data);
		2397	my $t2 = Time::HiRes::time;
		2398
		2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2400
		2401	db_put cache => "$id/data", $data;
		2402	db_put cache => "$id/md5" , $md5;
		2403	db_put cache => "$id/meta", $meta;
		2404
		2405	return $data;
		2406	}
		2407
		2408	db_get cache => "$id/data"
1971	}	2409	}
		2410
		2411	=item fork_call { }, $args
		2412
		2413	Executes the given code block with the given arguments in a seperate
		2414	process, returning the results. Everything must be serialisable with
		2415	Coro::Storable. May, of course, block. Note that the executed sub may
		2416	never block itself or use any form of Event handling.
		2417
		2418	=cut
		2419
		2420	sub fork_call(&@) {
		2421	my ($cb, @args) = @_;
		2422
		2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2424	# or die "socketpair: $!";
		2425	pipe my $fh1, my $fh2
		2426	or die "pipe: $!";
		2427
		2428	if (my $pid = fork) {
		2429	close $fh2;
		2430
		2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2432	$res = Coro::Storable::thaw $res;
		2433
		2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2435
		2436	die $$res unless "ARRAY" eq ref $res;
		2437
		2438	return wantarray ? @$res : $res->[-1];
		2439	} else {
		2440	local $SIG{__WARN__};
		2441	eval {
		2442	local $SIG{__DIE__};
		2443	close $fh1;
		2444
		2445	my @res = eval { $cb->(@args) };
		2446	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2447	};
		2448
		2449	warn $@ if $@;
		2450	_exit 0;
		2451	}
		2452	}
		2453
		2454
1972		2455
1973	#############################################################################	2456	#############################################################################
1974	# the server's main()	2457	# the server's init and main functions
		2458
		2459	sub load_facedata($) {
		2460	my ($path) = @_;
		2461
		2462	warn "loading facedata from $path\n";
		2463
		2464	my $facedata;
		2465	0 < aio_load $path, $facedata
		2466	or die "$path: $!";
		2467
		2468	$facedata = Coro::Storable::thaw $facedata;
		2469
		2470	$facedata->{version} == 2
		2471	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2472
		2473	{
		2474	my $faces = $facedata->{faceinfo};
		2475
		2476	while (my ($face, $info) = each %$faces) {
		2477	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2478	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2479	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2480	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2481	Coro::cede;
		2482	}
		2483
		2484	while (my ($face, $info) = each %$faces) {
		2485	next unless $info->{smooth};
		2486	my $idx = cf::face::find $face
		2487	or next;
		2488	if (my $smooth = cf::face::find $info->{smooth}) {
		2489	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2490	} else {
		2491	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2492	}
		2493	Coro::cede;
		2494	}
		2495	}
		2496
		2497	{
		2498	my $anims = $facedata->{animinfo};
		2499
		2500	while (my ($anim, $info) = each %$anims) {
		2501	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2502	Coro::cede;
		2503	}
		2504
		2505	cf::anim::invalidate_all; # d'oh
		2506	}
		2507
		2508	1
		2509	}
		2510
		2511	sub reload_regions {
		2512	load_resource_file "$MAPDIR/regions"
		2513	or die "unable to load regions file\n";
		2514	}
		2515
		2516	sub reload_facedata {
		2517	load_facedata "$DATADIR/facedata"
		2518	or die "unable to load facedata\n";
		2519	}
		2520
		2521	sub reload_archetypes {
		2522	load_resource_file "$DATADIR/archetypes"
		2523	or die "unable to load archetypes\n";
		2524	}
		2525
		2526	sub reload_treasures {
		2527	load_resource_file "$DATADIR/treasures"
		2528	or die "unable to load treasurelists\n";
		2529	}
		2530
		2531	sub reload_resources {
		2532	warn "reloading resource files...\n";
		2533
		2534	reload_regions;
		2535	reload_facedata;
		2536	reload_archetypes;
		2537	reload_treasures;
		2538
		2539	warn "finished reloading resource files\n";
		2540	}
		2541
		2542	sub init {
		2543	reload_resources;
		2544	}
1975		2545
1976	sub cfg_load {	2546	sub cfg_load {
1977	open my $fh, "<:utf8", cf::confdir . "/config"	2547	open my $fh, "<:utf8", "$CONFDIR/config"
1978	or return;	2548	or return;
1979		2549
1980	local $/;	2550	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2551	*CFG = YAML::Syck::Load <$fh>;
1982		2552
1983	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2553	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984		2554
		2555	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2556	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2557
1985	if (exists $CFG{mlockall}) {	2558	if (exists $CFG{mlockall}) {
1986	eval {	2559	eval {
1987	$CFG{mlockall} ? &mlockall : &munlockall	2560	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988	and die "WARNING: m(un)lockall failed: $!\n";	2561	and die "WARNING: m(un)lockall failed: $!\n";
1989	};	2562	};
1990	warn $@ if $@;	2563	warn $@ if $@;
1991	}	2564	}
1992	}	2565	}
1993		2566
1994	sub main {	2567	sub main {
1995	# we must not ever block the main coroutine	2568	# we must not ever block the main coroutine
1996	local $Coro::idle = sub {	2569	local $Coro::idle = sub {
1997	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2570	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1998	(Coro::unblock_sub {	2571	(async {
1999	Event::one_event;	2572	Event::one_event;
2000	})->();	2573	})->prio (Coro::PRIO_MAX);
2001	};	2574	};
2002		2575
2003	cfg_load;	2576	cfg_load;
2004	db_load;	2577	db_init;
2005	load_extensions;	2578	load_extensions;
		2579
		2580	$TICK_WATCHER->start;
2006	Event::loop;	2581	Event::loop;
2007	}	2582	}
2008		2583
2009	#############################################################################	2584	#############################################################################
2010	# initialisation	2585	# initialisation and cleanup
2011		2586
		2587	# install some emergency cleanup handlers
		2588	BEGIN {
		2589	for my $signal (qw(INT HUP TERM)) {
		2590	Event->signal (
		2591	reentrant => 0,
		2592	data => WF_AUTOCANCEL,
		2593	signal => $signal,
		2594	prio => 0,
		2595	cb => sub {
		2596	cf::cleanup "SIG$signal";
		2597	},
		2598	);
		2599	}
		2600	}
		2601
		2602	sub emergency_save() {
		2603	my $freeze_guard = cf::freeze_mainloop;
		2604
		2605	warn "enter emergency perl save\n";
		2606
		2607	cf::sync_job {
		2608	# use a peculiar iteration method to avoid tripping on perl
		2609	# refcount bugs in for. also avoids problems with players
		2610	# and maps saved/destroyed asynchronously.
		2611	warn "begin emergency player save\n";
		2612	for my $login (keys %cf::PLAYER) {
		2613	my $pl = $cf::PLAYER{$login} or next;
		2614	$pl->valid or next;
		2615	$pl->save;
		2616	}
		2617	warn "end emergency player save\n";
		2618
		2619	warn "begin emergency map save\n";
		2620	for my $path (keys %cf::MAP) {
		2621	my $map = $cf::MAP{$path} or next;
		2622	$map->valid or next;
		2623	$map->save;
		2624	}
		2625	warn "end emergency map save\n";
		2626
		2627	warn "begin emergency database checkpoint\n";
		2628	BDB::db_env_txn_checkpoint $DB_ENV;
		2629	warn "end emergency database checkpoint\n";
		2630	};
		2631
		2632	warn "leave emergency perl save\n";
		2633	}
		2634
		2635	sub post_cleanup {
		2636	my ($make_core) = @_;
		2637
		2638	warn Carp::longmess "post_cleanup backtrace"
		2639	if $make_core;
		2640	}
		2641
2012	sub reload() {	2642	sub do_reload_perl() {
2013	# can/must only be called in main	2643	# can/must only be called in main
2014	if ($Coro::current != $Coro::main) {	2644	if ($Coro::current != $Coro::main) {
2015	warn "can only reload from main coroutine\n";	2645	warn "can only reload from main coroutine";
2016	return;	2646	return;
2017	}	2647	}
2018		2648
2019	warn "reloading...";	2649	warn "reloading...";
2020		2650
2021	my $guard = freeze_mainloop;	2651	warn "entering sync_job";
		2652
		2653	cf::sync_job {
		2654	cf::write_runtime; # external watchdog should not bark
2022	cf::emergency_save;	2655	cf::emergency_save;
		2656	cf::write_runtime; # external watchdog should not bark
2023		2657
2024	eval {	2658	warn "syncing database to disk";
		2659	BDB::db_env_txn_checkpoint $DB_ENV;
		2660
2025	# if anything goes wrong in here, we should simply crash as we already saved	2661	# if anything goes wrong in here, we should simply crash as we already saved
2026		2662
2027	# cancel all watchers	2663	warn "cancelling all WF_AUTOCANCEL watchers";
2028	for (Event::all_watchers) {	2664	for (Event::all_watchers) {
2029	$_->cancel if $_->data & WF_AUTOCANCEL;	2665	$_->cancel if $_->data & WF_AUTOCANCEL;
2030	}	2666	}
2031		2667
		2668	warn "flushing outstanding aio requests";
		2669	for (;;) {
		2670	BDB::flush;
		2671	IO::AIO::flush;
		2672	Coro::cede;
		2673	last unless IO::AIO::nreqs || BDB::nreqs;
		2674	warn "iterate...";
		2675	}
		2676
		2677	++$RELOAD;
		2678
2032	# cancel all extension coros	2679	warn "cancelling all extension coros";
2033	$_->cancel for values %EXT_CORO;	2680	$_->cancel for values %EXT_CORO;
2034	%EXT_CORO = ();	2681	%EXT_CORO = ();
2035		2682
2036	# unload all extensions	2683	warn "removing commands";
2037	for (@exts) {	2684	%COMMAND = ();
		2685
		2686	warn "removing ext commands";
		2687	%EXTCMD = ();
		2688
		2689	warn "unloading/nuking all extensions";
		2690	for my $pkg (@EXTS) {
2038	warn "unloading <$_>";	2691	warn "... unloading $pkg";
2039	unload_extension $_;	2692
		2693	if (my $cb = $pkg->can ("unload")) {
		2694	eval {
		2695	$cb->($pkg);
		2696	1
		2697	} or warn "$pkg unloaded, but with errors: $@";
2040	}	2698	}
2041		2699
		2700	warn "... nuking $pkg";
		2701	Symbol::delete_package $pkg;
		2702	}
		2703
2042	# unload all modules loaded from $LIBDIR	2704	warn "unloading all perl modules loaded from $LIBDIR";
2043	while (my ($k, $v) = each %INC) {	2705	while (my ($k, $v) = each %INC) {
2044	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2706	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045		2707
2046	warn "removing <$k>";	2708	warn "... unloading $k";
2047	delete $INC{$k};	2709	delete $INC{$k};
2048		2710
2049	$k =~ s/\.pm$//;	2711	$k =~ s/\.pm$//;
2050	$k =~ s/\//::/g;	2712	$k =~ s/\//::/g;
2051		2713
…		…
2054	}	2716	}
2055		2717
2056	Symbol::delete_package $k;	2718	Symbol::delete_package $k;
2057	}	2719	}
2058		2720
2059	# sync database to disk
2060	cf::db_sync;
2061	IO::AIO::flush;
2062
2063	# get rid of safe::, as good as possible	2721	warn "getting rid of safe::, as good as possible";
2064	Symbol::delete_package "safe::$_"	2722	Symbol::delete_package "safe::$_"
2065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2723	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2066		2724
2067	# remove register_script_function callbacks
2068	# TODO
2069
2070	# unload cf.pm "a bit"	2725	warn "unloading cf.pm \"a bit\"";
2071	delete $INC{"cf.pm"};	2726	delete $INC{"cf.pm"};
		2727	delete $INC{"cf/pod.pm"};
2072		2728
2073	# don't, removes xs symbols, too,	2729	# don't, removes xs symbols, too,
2074	# and global variables created in xs	2730	# and global variables created in xs
2075	#Symbol::delete_package __PACKAGE__;	2731	#Symbol::delete_package __PACKAGE__;
2076		2732
2077	# reload cf.pm	2733	warn "unload completed, starting to reload now";
		2734
2078	warn "reloading cf.pm";	2735	warn "reloading cf.pm";
2079	require cf;	2736	require cf;
2080	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2737	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081		2738
2082	# load config and database again	2739	warn "loading config and database again";
2083	cf::cfg_load;	2740	cf::cfg_load;
2084	cf::db_load;
2085		2741
2086	# load extensions
2087	warn "load extensions";	2742	warn "loading extensions";
2088	cf::load_extensions;	2743	cf::load_extensions;
2089		2744
2090	# reattach attachments to objects	2745	warn "reattaching attachments to objects/players";
2091	warn "reattach";	2746	_global_reattach; # objects, sockets
2092	_global_reattach;	2747	warn "reattaching attachments to maps";
2093	};	2748	reattach $_ for values %MAP;
		2749	warn "reattaching attachments to players";
		2750	reattach $_ for values %PLAYER;
2094		2751
2095	if ($@) {	2752	warn "leaving sync_job";
		2753
		2754	1
		2755	} or do {
2096	warn $@;	2756	warn $@;
2097	warn "error while reloading, exiting.";	2757	warn "error while reloading, exiting.";
2098	exit 1;	2758	exit 1;
2099	}	2759	};
2100		2760
2101	warn "reloaded successfully";	2761	warn "reloaded";
2102	};	2762	};
2103		2763
2104	#############################################################################	2764	our $RELOAD_WATCHER; # used only during reload
2105		2765
2106	unless ($LINK_MAP) {	2766	sub reload_perl() {
2107	$LINK_MAP = cf::map::new;	2767	# doing reload synchronously and two reloads happen back-to-back,
		2768	# coro crashes during coro_state_free->destroy here.
2108		2769
2109	$LINK_MAP->width (41);	2770	$RELOAD_WATCHER ||= Event->timer (
2110	$LINK_MAP->height (41);	2771	reentrant => 0,
2111	$LINK_MAP->alloc;
2112	$LINK_MAP->path ("{link}");
2113	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2114	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2115
2116	# dirty hack because... archetypes are not yet loaded
2117	Event->timer (
2118	after => 2,	2772	after => 0,
		2773	data => WF_AUTOCANCEL,
2119	cb => sub {	2774	cb => sub {
2120	$_[0]->w->cancel;	2775	do_reload_perl;
2121		2776	undef $RELOAD_WATCHER;
2122	# provide some exits "home"
2123	my $exit = cf::object::new "exit";
2124
2125	$exit->slaying ($EMERGENCY_POSITION->[0]);
2126	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2127	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2128
2129	$LINK_MAP->insert ($exit->clone, 19, 19);
2130	$LINK_MAP->insert ($exit->clone, 19, 20);
2131	$LINK_MAP->insert ($exit->clone, 19, 21);
2132	$LINK_MAP->insert ($exit->clone, 20, 19);
2133	$LINK_MAP->insert ($exit->clone, 20, 21);
2134	$LINK_MAP->insert ($exit->clone, 21, 19);
2135	$LINK_MAP->insert ($exit->clone, 21, 20);
2136	$LINK_MAP->insert ($exit->clone, 21, 21);
2137
2138	$exit->destroy;
2139	});	2777	},
2140		2778	);
2141	$LINK_MAP->{deny_save} = 1;
2142	$LINK_MAP->{deny_reset} = 1;
2143
2144	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2145	}	2779	}
2146
2147	register "<global>", __PACKAGE__;
2148		2780
2149	register_command "reload" => sub {	2781	register_command "reload" => sub {
2150	my ($who, $arg) = @_;	2782	my ($who, $arg) = @_;
2151		2783
2152	if ($who->flag (FLAG_WIZ)) {	2784	if ($who->flag (FLAG_WIZ)) {
2153	$who->message ("start of reload.");
2154	reload;
2155	$who->message ("end of reload.");	2785	$who->message ("reloading server.");
		2786	async { reload_perl };
2156	}	2787	}
2157	};	2788	};
2158		2789
2159	unshift @INC, $LIBDIR;	2790	unshift @INC, $LIBDIR;
		2791
		2792	my $bug_warning = 0;
		2793
		2794	our @WAIT_FOR_TICK;
		2795	our @WAIT_FOR_TICK_BEGIN;
		2796
		2797	sub wait_for_tick {
		2798	return unless $TICK_WATCHER->is_active;
		2799	return if $Coro::current == $Coro::main;
		2800
		2801	my $signal = new Coro::Signal;
		2802	push @WAIT_FOR_TICK, $signal;
		2803	$signal->wait;
		2804	}
		2805
		2806	sub wait_for_tick_begin {
		2807	return unless $TICK_WATCHER->is_active;
		2808	return if $Coro::current == $Coro::main;
		2809
		2810	my $signal = new Coro::Signal;
		2811	push @WAIT_FOR_TICK_BEGIN, $signal;
		2812	$signal->wait;
		2813	}
2160		2814
2161	$TICK_WATCHER = Event->timer (	2815	$TICK_WATCHER = Event->timer (
2162	reentrant => 0,	2816	reentrant => 0,
		2817	parked => 1,
2163	prio => 0,	2818	prio => 0,
2164	at => $NEXT_TICK || $TICK,	2819	at => $NEXT_TICK || $TICK,
2165	data => WF_AUTOCANCEL,	2820	data => WF_AUTOCANCEL,
2166	cb => sub {	2821	cb => sub {
		2822	if ($Coro::current != $Coro::main) {
		2823	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2824	unless ++$bug_warning > 10;
		2825	return;
		2826	}
		2827
		2828	$NOW = Event::time;
		2829
2167	cf::server_tick; # one server iteration	2830	cf::server_tick; # one server iteration
		2831
2168	$RUNTIME += $TICK;	2832	$RUNTIME += $TICK;
2169	$NEXT_TICK += $TICK;	2833	$NEXT_TICK += $TICK;
2170		2834
		2835	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2836	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2837	Coro::async_pool {
		2838	write_runtime
		2839	or warn "ERROR: unable to write runtime file: $!";
		2840	};
		2841	}
		2842
		2843	# my $AFTER = Event::time;
		2844	# warn $AFTER - $NOW;#d#
		2845
2171	# if we are delayed by four ticks or more, skip them all	2846	# if we are delayed by four ticks or more, skip them all
2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2847	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173		2848
2174	$TICK_WATCHER->at ($NEXT_TICK);	2849	$TICK_WATCHER->at ($NEXT_TICK);
2175	$TICK_WATCHER->start;	2850	$TICK_WATCHER->start;
		2851
		2852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2853	$sig->send;
		2854	}
		2855	while (my $sig = shift @WAIT_FOR_TICK) {
		2856	$sig->send;
		2857	}
		2858
		2859	_post_tick;
2176	},	2860	},
2177	);	2861	);
2178		2862
		2863	{
2179	IO::AIO::max_poll_time $TICK * 0.2;	2864	BDB::max_poll_time $TICK * 0.1;
2180		2865	$BDB_POLL_WATCHER = Event->io (
2181	Event->io (	2866	reentrant => 0,
2182	fd => IO::AIO::poll_fileno,	2867	fd => BDB::poll_fileno,
2183	poll => 'r',	2868	poll => 'r',
2184	prio => 5,	2869	prio => 0,
2185	data => WF_AUTOCANCEL,
2186	cb => \&IO::AIO::poll_cb,
2187	);
2188
2189	Event->timer (
2190	data => WF_AUTOCANCEL,	2870	data => WF_AUTOCANCEL,
2191	after => 0,	2871	cb => \&BDB::poll_cb,
2192	interval => 10,	2872	);
2193	cb => sub {	2873	BDB::min_parallel 8;
2194	(Coro::unblock_sub {	2874
2195	write_runtime	2875	BDB::set_sync_prepare {
2196	or warn "ERROR: unable to write runtime file: $!";	2876	my $status;
		2877	my $current = $Coro::current;
		2878	(
		2879	sub {
		2880	$status = $!;
		2881	$current->ready; undef $current;
		2882	},
		2883	sub {
		2884	Coro::schedule while defined $current;
		2885	$! = $status;
		2886	},
		2887	)
		2888	};
		2889
		2890	unless ($DB_ENV) {
		2891	$DB_ENV = BDB::db_env_create;
		2892
		2893	cf::sync_job {
		2894	eval {
		2895	BDB::db_env_open
		2896	$DB_ENV,
		2897	$BDBDIR,
		2898	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2899	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2900	0666;
		2901
		2902	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2903
		2904	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2905	$DB_ENV->set_lk_detect;
		2906	};
		2907
		2908	cf::cleanup "db_env_open(db): $@" if $@;
2197	})->();	2909	};
2198	},	2910	}
2199	);	2911	}
		2912
		2913	{
		2914	IO::AIO::min_parallel 8;
		2915
		2916	undef $Coro::AIO::WATCHER;
		2917	IO::AIO::max_poll_time $TICK * 0.1;
		2918	$AIO_POLL_WATCHER = Event->io (
		2919	reentrant => 0,
		2920	data => WF_AUTOCANCEL,
		2921	fd => IO::AIO::poll_fileno,
		2922	poll => 'r',
		2923	prio => 6,
		2924	cb => \&IO::AIO::poll_cb,
		2925	);
		2926	}
		2927
		2928	sub _log_backtrace {
		2929	my ($msg, @addr) = @_;
		2930
		2931	async {
		2932	my @bt = fork_call {
		2933	@addr = map { sprintf "%x", $_ } @addr;
		2934	open my $fh, "exec addr2line -C -f -i -e \Q$^X\E @addr 2>&1 |"
		2935	or die "addr2line: $!";
		2936
		2937	my @funcs;
		2938	my @res = <$fh>;
		2939	chomp for @res;
		2940	while (@res) {
		2941	my ($func, $line) = splice @res, 0, 2, ();
		2942	push @funcs, "[$func] $line";
		2943	}
		2944
		2945	@funcs
		2946	};
		2947
		2948	$msg =~ s/\n//;
		2949
		2950	LOG llevInfo, "[ABT] $msg\n";
		2951	LOG llevInfo, "[ABT] $_\n" for @bt;
		2952	};
		2953	}
		2954
		2955	# load additional modules
		2956	use cf::pod;
2200		2957
2201	END { cf::emergency_save }	2958	END { cf::emergency_save }
2202		2959
2203	1	2960	1
2204		2961

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