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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.123 by root, Tue Jan 2 19:18:33 2007 UTC vs.
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
		53	our $USE_FSYNC; # use fsync to write maps - default off
46		54
47	our %CFG;	55	our %CFG;
48		56
49	our $UPTIME; $UPTIME ||= time;	57	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	58	our $RUNTIME;
51		59
		60	our %PLAYER; # all users
52	our %MAP; # all maps	61	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	62	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	63	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	64
		65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		67
		68	# used to convert map paths into valid unix filenames by replacing / by ∕
		69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		70
58	binmode STDOUT;	71	binmode STDOUT;
59	binmode STDERR;	72	binmode STDERR;
60		73
61	# read virtual server time, if available	74	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	82	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	83	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	84	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	85	mkdir $RANDOM_MAPS;
73		86
74	# a special map that is always available	87	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		88
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	89	sub cf::map::normalise;
78		90
79	#############################################################################	91	#############################################################################
80		92
81	=head2 GLOBAL VARIABLES	93	=head2 GLOBAL VARIABLES
82		94
…		…
106		118
107	=item %cf::CFG	119	=item %cf::CFG
108		120
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	121	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	122	from wherever your confdir points to.
		123
		124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		125
		126	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		127	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		128	processing has been done. Call C<< ->wait >> on them to maximise the
		129	window of cpu time available, or simply to synchronise to the server tick.
111		130
112	=back	131	=back
113		132
114	=cut	133	=cut
115		134
…		…
119	utf8::encode $msg;	138	utf8::encode $msg;
120		139
121	$msg .= "\n"	140	$msg .= "\n"
122	unless $msg =~ /\n$/;	141	unless $msg =~ /\n$/;
123		142
124	LOG llevError, "cfperl: $msg";	143	LOG llevError, $msg;
125	};	144	};
126	}	145	}
127		146
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		166
148	$Event::DIED = sub {	167	$Event::DIED = sub {
149	warn "error in event callback: @_";	168	warn "error in event callback: @_";
150	};	169	};
151		170
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	171	=head2 UTILITY FUNCTIONS
157		172
158	=over 4	173	=over 4
159		174
		175	=item dumpval $ref
		176
160	=cut	177	=cut
		178
		179	sub dumpval {
		180	eval {
		181	local $SIG{__DIE__};
		182	my $d;
		183	if (1) {
		184	$d = new Data::Dumper([$_[0]], ["*var"]);
		185	$d->Terse(1);
		186	$d->Indent(2);
		187	$d->Quotekeys(0);
		188	$d->Useqq(1);
		189	#$d->Bless(...);
		190	$d->Seen($_[1]) if @_ > 1;
		191	$d = $d->Dump();
		192	}
		193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		194	$d
		195	} || "[unable to dump $_[0]: '$@']";
		196	}
161		197
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	198	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		199
164	=item $ref = cf::from_json $json	200	=item $ref = cf::from_json $json
165		201
…		…
181	sub to_json($) {	217	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	219	JSON::Syck::Dump $_[0]
184	}	220	}
185		221
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	222	=item cf::lock_wait $string
209		223
210	Wait until the given lock is available. See cf::lock_acquire.	224	Wait until the given lock is available. See cf::lock_acquire.
211		225
212	=item my $lock = cf::lock_acquire $string	226	=item my $lock = cf::lock_acquire $string
213		227
214	Wait until the given lock is available and then acquires it and returns	228	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	229	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	230	for example when the coroutine gets canceled), the lock is automatically
217	returned.	231	returned.
218		232
219	Lock names should begin with a unique identifier (for example, find_map	233	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	234	uses map_find and cf::map::load uses map_load).
221		235
222	=cut	236	=cut
223		237
224	our %LOCK;	238	our %LOCK;
225		239
…		…
239	# wait, to be sure we are not locked	253	# wait, to be sure we are not locked
240	lock_wait $key;	254	lock_wait $key;
241		255
242	$LOCK{$key} = [];	256	$LOCK{$key} = [];
243		257
244	cf::guard {	258	Coro::guard {
245	# wake up all waiters, to be on the safe side	259	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	260	$_->ready for @{ delete $LOCK{$key} };
247	}	261	}
248	}	262	}
		263
		264	sub freeze_mainloop {
		265	return unless $TICK_WATCHER->is_active;
		266
		267	my $guard = Coro::guard {
		268	$TICK_WATCHER->start;
		269	$WRITE_RUNTIME_WATCHER->start;
		270	};
		271	$WRITE_RUNTIME_WATCHER->stop;
		272	$TICK_WATCHER->stop;
		273	$guard
		274	}
		275
		276	=item cf::async { BLOCK }
		277
		278	Currently the same as Coro::async_pool, meaning you cannot use
		279	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		280	thing you are allowed to do is call C<prio> on it.
		281
		282	=cut
		283
		284	BEGIN { *async = \&Coro::async_pool }
249		285
250	=item cf::sync_job { BLOCK }	286	=item cf::sync_job { BLOCK }
251		287
252	The design of crossfire+ requires that the main coro ($Coro::main) is	288	The design of crossfire+ requires that the main coro ($Coro::main) is
253	always able to handle events or runnable, as crossfire+ is only partly	289	always able to handle events or runnable, as crossfire+ is only partly
…		…
267	# this is the main coro, too bad, we have to block	303	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	304	# till the operation succeeds, freezing the server :/
269		305
270	# TODO: use suspend/resume instead	306	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	307	# (but this is cancel-safe)
272	local $FREEZE = 1;	308	my $freeze_guard = freeze_mainloop;
273		309
274	my $busy = 1;	310	my $busy = 1;
275	my @res;	311	my @res;
276		312
277	(Coro::async {	313	(async {
278	@res = eval { $job->() };	314	@res = eval { $job->() };
279	warn $@ if $@;	315	warn $@ if $@;
280	undef $busy;	316	undef $busy;
281	})->prio (Coro::PRIO_MAX);	317	})->prio (Coro::PRIO_MAX);
282		318
283	while ($busy) {	319	while ($busy) {
284	Coro::cede_notself;	320	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	321	}
287		322
288	wantarray ? @res : $res[0]	323	wantarray ? @res : $res[0]
289	} else {	324	} else {
290	# we are in another coroutine, how wonderful, everything just works	325	# we are in another coroutine, how wonderful, everything just works
291		326
292	$job->()	327	$job->()
293	}	328	}
294	}	329	}
295		330
296	=item $coro = cf::coro { BLOCK }	331	=item $coro = cf::async_ext { BLOCK }
297		332
298	Creates and returns a new coro. This coro is automcatially being canceled	333	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	334	extension calling this is being unloaded.
300		335
301	=cut	336	=cut
302		337
303	sub coro(&) {	338	sub async_ext(&) {
304	my $cb = shift;	339	my $cb = shift;
305		340
306	my $coro; $coro = async {	341	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		342
313	$coro->on_destroy (sub {	343	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	344	delete $EXT_CORO{$coro+0};
315	});	345	});
316	$EXT_CORO{$coro+0} = $coro;	346	$EXT_CORO{$coro+0} = $coro;
…		…
322	my $runtime = cf::localdir . "/runtime";	352	my $runtime = cf::localdir . "/runtime";
323		353
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	355	or return;
326		356
		357	my $value = $cf::RUNTIME + 90 + 10;
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	358	# 10 is the runtime save interval, for a monotonic clock
		359	# 60 allows for the watchdog to kill the server.
		360
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	361	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	362	and return;
330		363
		364	# always fsync - this file is important
331	aio_fsync $fh	365	aio_fsync $fh
332	and return;	366	and return;
333		367
334	close $fh	368	close $fh
335	or return;	369	or return;
…		…
341	}	375	}
342		376
343	=back	377	=back
344		378
345	=cut	379	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		380
467	#############################################################################	381	#############################################################################
468		382
469	=head2 ATTACHABLE OBJECTS	383	=head2 ATTACHABLE OBJECTS
470		384
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	510	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	511	our @CB_MAP = ();
598		512
599	my %attachment;	513	my %attachment;
600		514
		515	sub cf::attachable::thawer_merge {
		516	# simply override everything except _meta
		517	local $_[0]{_meta};
		518	%{$_[0]} = %{$_[1]};
		519	}
		520
601	sub _attach_cb($$$$) {	521	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	522	my ($registry, $event, $prio, $cb) = @_;
603		523
604	use sort 'stable';	524	use sort 'stable';
605		525
…		…
776	# object support	696	# object support
777		697
778	sub reattach {	698	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	699	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	700	my ($obj) = @_;
		701
		702	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		703
782	my $registry = $obj->registry;	704	my $registry = $obj->registry;
783		705
784	@$registry = ();	706	@$registry = ();
785		707
…		…
832	$filename, length $$rdata, scalar @$objs;	754	$filename, length $$rdata, scalar @$objs;
833		755
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	757	chmod SAVE_MODE, $fh;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
837	aio_fsync $fh;	759	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	760	close $fh;
839		761
840	if (@$objs) {	762	if (@$objs) {
841	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
842	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	765	my $data = Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	766	aio_write $fh, 0, (length $data), $data, 0;
845	aio_fsync $fh;	767	aio_fsync $fh if $cf::USE_FSYNC;
846	close $fh;	768	close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	769	aio_rename "$filename.pst~", "$filename.pst";
848	}	770	}
849	} else {	771	} else {
850	aio_unlink "$filename.pst";	772	aio_unlink "$filename.pst";
…		…
856	}	778	}
857	} else {	779	} else {
858	aio_unlink $filename;	780	aio_unlink $filename;
859	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
860	}	782	}
		783
		784	#d##TODO# nuke non .map-files if exist
		785	if ($filename =~ s/\.map$//) {
		786	aio_unlink $filename;
		787	aio_unlink "$filename.pst";
		788	}
861	}	789	}
862	}	790	}
863		791
864	sub object_freezer_as_string {	792	sub object_freezer_as_string {
865	my ($rdata, $objs) = @_;	793	my ($rdata, $objs) = @_;
…		…
871		799
872	sub object_thawer_load {	800	sub object_thawer_load {
873	my ($filename) = @_;	801	my ($filename) = @_;
874		802
875	my ($data, $av);	803	my ($data, $av);
		804
		805	#d#TODO remove .map if file does not exist
		806	aio_stat $filename and $filename =~ s/\.map$//;
876		807
877	(aio_load $filename, $data) >= 0	808	(aio_load $filename, $data) >= 0
878	or return;	809	or return;
879		810
880	unless (aio_stat "$filename.pst") {	811	unless (aio_stat "$filename.pst") {
…		…
917	=cut	848	=cut
918		849
919	sub register_extcmd {	850	sub register_extcmd {
920	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
921		852
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
926	}	854	}
927		855
928	cf::player->attach (	856	cf::player->attach (
929	on_command => sub {	857	on_command => sub {
930	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
943		871
944	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
945		873
946	if (ref $msg) {	874	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	878	}
951	}	879	}
952	} else {	880	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		883
956	cf::override;	884	cf::override;
957	},	885	},
958	);	886	);
959		887
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	888	sub load_extension {
967	my ($path) = @_;	889	my ($path) = @_;
968		890
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	892	my $base = $1;
971	my $pkg = $1;	893	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
974		896
975	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
976		898
977	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
978	or die "$path: $!";	900	or die "$path: $!";
979		901
980	my $source =	902	my $source =
981	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
984	. "\n};\n1";	906	. "\n};\n1";
985		907
986	eval $source	908	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	910	: "extension disabled.\n";
989		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	912	warn $@;
991	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
992		914	exit 1;
993	# no strict 'refs';	915	}
994	# @{"$pkg\::ISA"} = ext::;	916	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	917	}
1009		918
1010	# remove commands	919	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	920	}
1035		921
1036	sub load_extensions {	922	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	924	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1043	}	929	}
1044	}	930	}
1045		931
1046	#############################################################################	932	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		933
1084	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1085		935
1086	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1087		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1088	=head3 cf::player	944	=head3 cf::player
1089		945
1090	=over 4	946	=over 4
1091		947
1092	=item cf::player::exists $login	948	=item cf::player::find $login
1093		949
1094	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1095		951
1096	=cut	952	=cut
1097		953
1098	sub cf::player::exists($) {	954	sub playerdir($) {
1099	cf::player::find $_[0]	955	cf::localdir
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	956	. "/"
		957	. cf::playerdir
		958	. "/"
		959	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		960	}
		961
		962	sub path($) {
		963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		964
		965	(playerdir $login) . "/$login.pl"
		966	}
		967
		968	sub find_active($) {
		969	$cf::PLAYER{$_[0]}
		970	and $cf::PLAYER{$_[0]}->active
		971	and $cf::PLAYER{$_[0]}
		972	}
		973
		974	sub exists($) {
		975	my ($login) = @_;
		976
		977	$cf::PLAYER{$login}
		978	or cf::sync_job { !aio_stat path $login }
		979	}
		980
		981	sub find($) {
		982	return $cf::PLAYER{$_[0]} || do {
		983	my $login = $_[0];
		984
		985	my $guard = cf::lock_acquire "user_find:$login";
		986
		987	$cf::PLAYER{$_[0]} || do {
		988	my $pl = load_pl path $login
		989	or return;
		990	$cf::PLAYER{$login} = $pl
		991	}
		992	}
		993	}
		994
		995	sub save($) {
		996	my ($pl) = @_;
		997
		998	return if $pl->{deny_save};
		999
		1000	my $path = path $pl;
		1001	my $guard = cf::lock_acquire "user_save:$path";
		1002
		1003	return if $pl->{deny_save};
		1004
		1005	aio_mkdir playerdir $pl, 0770;
		1006	$pl->{last_save} = $cf::RUNTIME;
		1007
		1008	$pl->save_pl ($path);
		1009	Coro::cede;
		1010	}
		1011
		1012	sub new($) {
		1013	my ($login) = @_;
		1014
		1015	my $self = create;
		1016
		1017	$self->ob->name ($login);
		1018	$self->{deny_save} = 1;
		1019
		1020	$cf::PLAYER{$login} = $self;
		1021
		1022	$self
		1023	}
		1024
		1025	=item $pl->quit_character
		1026
		1027	Nukes the player without looking back. If logged in, the connection will
		1028	be destroyed. May block for a long time.
		1029
		1030	=cut
		1031
		1032	sub quit_character {
		1033	my ($pl) = @_;
		1034
		1035	$pl->{deny_save} = 1;
		1036	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1037
		1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1039	$pl->deactivate;
		1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1041	$pl->ns->destroy if $pl->ns;
		1042
		1043	my $path = playerdir $pl;
		1044	my $temp = "$path~$cf::RUNTIME~deleting~";
		1045	aio_rename $path, $temp;
		1046	delete $cf::PLAYER{$pl->ob->name};
		1047	$pl->destroy;
		1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item cf::player::list_logins
		1052
		1053	Returns am arrayref of all valid playernames in the system, can take a
		1054	while and may block, so not sync_job-capable, ever.
		1055
		1056	=cut
		1057
		1058	sub list_logins {
		1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1060	or return [];
		1061
		1062	my @logins;
		1063
		1064	for my $login (@$dirs) {
		1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1066	aio_read $fh, 0, 512, my $buf, 0 or next;
		1067	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1068
		1069	utf8::decode $login;
		1070	push @logins, $login;
		1071	}
		1072
		1073	\@logins
		1074	}
		1075
		1076	=item $player->maps
		1077
		1078	Returns an arrayref of map paths that are private for this
		1079	player. May block.
		1080
		1081	=cut
		1082
		1083	sub maps($) {
		1084	my ($pl) = @_;
		1085
		1086	$pl = ref $pl ? $pl->ob->name : $pl;
		1087
		1088	my $files = aio_readdir playerdir $pl
		1089	or return;
		1090
		1091	my @paths;
		1092
		1093	for (@$files) {
		1094	utf8::decode $_;
		1095	next if /\.(?:pl|pst)$/;
		1096	next unless /^$PATH_SEP/o;
		1097
		1098	push @paths, cf::map::normalise "~$pl/$_";
		1099	}
		1100
		1101	\@paths
1101	}	1102	}
1102		1103
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1104	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1105
1105	Sends an ext reply to the player.	1106	Sends an ext reply to the player.
1106		1107
1107	=cut	1108	=cut
1108		1109
1109	sub cf::player::ext_reply($$$%) {	1110	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1111	my ($self, $id, %msg) = @_;
1111		1112
1112	$msg{msgid} = $id;	1113	$msg{msgid} = $id;
1113		1114
1114	$self->send ("ext " . to_json \%msg);	1115	$self->send ("ext " . cf::to_json \%msg);
1115	}	1116	}
		1117
		1118	package cf;
1116		1119
1117	=back	1120	=back
1118		1121
1119		1122
1120	=head3 cf::map	1123	=head3 cf::map
…		…
1126	package cf::map;	1129	package cf::map;
1127		1130
1128	use Fcntl;	1131	use Fcntl;
1129	use Coro::AIO;	1132	use Coro::AIO;
1130		1133
		1134	use overload
		1135	'""' => \&as_string,
		1136	fallback => 1;
		1137
1131	our $MAX_RESET = 7200;	1138	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1139	our $DEFAULT_RESET = 3000;
1133		1140
1134	sub generate_random_map {	1141	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1142	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1143	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1144	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1148	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1149	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1152	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1153	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1154	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1155	(cf::region::find $rmp->{region}), $rmp->{custom}
		1156	)
		1157	}
		1158
		1159	=item cf::map->register ($regex, $prio)
		1160
		1161	Register a handler for the map path matching the given regex at the
		1162	givne priority (higher is better, built-in handlers have priority 0, the
		1163	default).
		1164
		1165	=cut
		1166
		1167	sub register {
		1168	my (undef, $regex, $prio) = @_;
		1169	my $pkg = caller;
		1170
		1171	no strict;
		1172	push @{"$pkg\::ISA"}, __PACKAGE__;
		1173
		1174	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1175	}
		1176
		1177	# also paths starting with '/'
		1178	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1179
		1180	sub thawer_merge {
		1181	my ($self, $merge) = @_;
		1182
		1183	# we have to keep some variables in memory intact
		1184	local $self->{path};
		1185	local $self->{load_path};
		1186	local $self->{deny_save};
		1187	local $self->{deny_reset};
		1188
		1189	$self->SUPER::thawer_merge ($merge);
		1190	}
		1191
		1192	sub normalise {
		1193	my ($path, $base) = @_;
		1194
		1195	$path = "$path"; # make sure its a string
		1196
		1197	$path =~ s/\.map$//;
		1198
		1199	# map plan:
		1200	#
		1201	# /! non-realised random map exit (special hack!)
		1202	# {... are special paths that are not being touched
		1203	# ?xxx/... are special absolute paths
		1204	# ?random/... random maps
		1205	# /... normal maps
		1206	# ~user/... per-player map of a specific user
		1207
		1208	$path =~ s/$PATH_SEP/\//go;
		1209
		1210	# treat it as relative path if it starts with
		1211	# something that looks reasonable
		1212	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1213	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1214
		1215	$base =~ s{[^/]+/?$}{};
		1216	$path = "$base/$path";
		1217	}
		1218
		1219	for ($path) {
		1220	redo if s{//}{/};
		1221	redo if s{/\.?/}{/};
		1222	redo if s{/[^/]+/\.\./}{/};
		1223	}
		1224
		1225	$path
		1226	}
		1227
		1228	sub new_from_path {
		1229	my (undef, $path, $base) = @_;
		1230
		1231	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1232
		1233	$path = normalise $path, $base;
		1234
		1235	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1236	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1237	my $self = bless cf::map::new, $pkg;
		1238	$self->{path} = $path; $self->path ($path);
		1239	$self->init; # pass $1 etc.
		1240	return $self;
		1241	}
		1242	}
		1243
		1244	Carp::carp "unable to resolve path '$path' (base '$base').";
		1245	()
		1246	}
		1247
		1248	sub init {
		1249	my ($self) = @_;
		1250
		1251	$self
		1252	}
		1253
		1254	sub as_string {
		1255	my ($self) = @_;
		1256
		1257	"$self->{path}"
		1258	}
		1259
		1260	# the displayed name, this is a one way mapping
		1261	sub visible_name {
		1262	&as_string
		1263	}
		1264
		1265	# the original (read-only) location
		1266	sub load_path {
		1267	my ($self) = @_;
		1268
		1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1270	}
		1271
		1272	# the temporary/swap location
		1273	sub save_path {
		1274	my ($self) = @_;
		1275
		1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1278	}
		1279
		1280	# the unique path, undef == no special unique path
		1281	sub uniq_path {
		1282	my ($self) = @_;
		1283
		1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1151	}	1286	}
1152		1287
1153	# and all this just because we cannot iterate over	1288	# and all this just because we cannot iterate over
1154	# all maps in C++...	1289	# all maps in C++...
1155	sub change_all_map_light {	1290	sub change_all_map_light {
…		…
1157		1292
1158	$_->change_map_light ($change)	1293	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1294	for grep $_->outdoor, values %cf::MAP;
1160	}	1295	}
1161		1296
		1297	sub unlink_save {
		1298	my ($self) = @_;
		1299
		1300	utf8::encode (my $save = $self->save_path);
		1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1303
		1304	#d#TODO remove .map and also nuke
		1305	$save =~ s/\.map// or return;#d#
		1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1308	}
		1309
1162	sub try_load_header($) {	1310	sub load_header_from($) {
1163	my ($path) = @_;	1311	my ($self, $path) = @_;
1164		1312
1165	utf8::encode $path;	1313	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1314	#aio_open $path, O_RDONLY, 0
		1315	# or return;
		1316
		1317	$self->_load_header ($path)
1167	or return;	1318	or return;
1168		1319
1169	my $map = cf::map::new	1320	$self->{load_path} = $path;
		1321
		1322	1
		1323	}
		1324
		1325	sub load_header_orig {
		1326	my ($self) = @_;
		1327
		1328	$self->load_header_from ($self->load_path)
		1329	}
		1330
		1331	sub load_header_temp {
		1332	my ($self) = @_;
		1333
		1334	$self->load_header_from ($self->save_path)
		1335	}
		1336
		1337	sub prepare_temp {
		1338	my ($self) = @_;
		1339
		1340	$self->last_access ((delete $self->{last_access})
		1341	|| $cf::RUNTIME); #d#
		1342	# safety
		1343	$self->{instantiate_time} = $cf::RUNTIME
		1344	if $self->{instantiate_time} > $cf::RUNTIME;
		1345	}
		1346
		1347	sub prepare_orig {
		1348	my ($self) = @_;
		1349
		1350	$self->{load_original} = 1;
		1351	$self->{instantiate_time} = $cf::RUNTIME;
		1352	$self->last_access ($cf::RUNTIME);
		1353	$self->instantiate;
		1354	}
		1355
		1356	sub load_header {
		1357	my ($self) = @_;
		1358
		1359	if ($self->load_header_temp) {
		1360	$self->prepare_temp;
		1361	} else {
		1362	$self->load_header_orig
1170	or return;	1363	or return;
		1364	$self->prepare_orig;
		1365	}
1171		1366
1172	$map->load_header ($path)	1367	1
1173	or return;
1174
1175	$map->{load_path} = $path;
1176
1177	$map
1178	}	1368	}
1179		1369
		1370	sub find;
1180	sub find_map {	1371	sub find {
1181	my ($path, $origin) = @_;	1372	my ($path, $origin) = @_;
1182		1373
1183	#warn "find_map<$path,$origin>\n";#d#
1184
1185	$path = new cf::path $path, $origin && $origin->path;	1374	$path = normalise $path, $origin && $origin->path;
1186	my $key = $path->as_string;
1187		1375
1188	cf::lock_wait "map_find:$key";	1376	cf::lock_wait "map_find:$path";
1189		1377
1190	$cf::MAP{$key} || do {	1378	$cf::MAP{$path} || do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1379	my $guard = cf::lock_acquire "map_find:$path";
1192		1380	my $map = new_from_path cf::map $path
1193	# do it the slow way
1194	my $map = try_load_header $path->save_path;
1195
1196	if ($map) {
1197	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {
1201	if (my $rmp = $path->random_map_params) {
1202	$map = generate_random_map $key, $rmp;
1203	} else {
1204	$map = try_load_header $path->load_path;
1205	}
1206
1207	$map or return;	1381	or return;
1208		1382
1209	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1383	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);
1221		1384
1222	if ($map->should_reset) {	1385	$map->load_header
		1386	or return;
		1387
		1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1389	# doing this can freeze the server in a sync job, obviously
		1390	#$cf::WAIT_FOR_TICK->wait;
1223	$map->reset;	1391	$map->reset;
1224	undef $guard;	1392	undef $guard;
1225	$map = find_map $path;	1393	return find $path;
1226	}	1394	}
1227		1395
1228	$cf::MAP{$key} = $map	1396	$cf::MAP{$path} = $map
1229	}	1397	}
1230	}	1398	}
		1399
		1400	sub pre_load { }
		1401	sub post_load { }
1231		1402
1232	sub load {	1403	sub load {
1233	my ($self) = @_;	1404	my ($self) = @_;
1234		1405
		1406	local $self->{deny_reset} = 1; # loading can take a long time
		1407
1235	my $path = $self->{path};	1408	my $path = $self->{path};
1236	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1409	my $guard = cf::lock_acquire "map_load:$path";
1237		1410
1238	return if $self->in_memory != cf::MAP_SWAPPED;	1411	return if $self->in_memory != cf::MAP_SWAPPED;
1239		1412
1240	$self->in_memory (cf::MAP_LOADING);	1413	$self->in_memory (cf::MAP_LOADING);
1241		1414
1242	$self->alloc;	1415	$self->alloc;
		1416
		1417	$self->pre_load;
		1418
1243	$self->load_objects ($self->{load_path}, 1)	1419	$self->_load_objects ($self->{load_path}, 1)
1244	or return;	1420	or return;
1245		1421
1246	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1247	if delete $self->{load_original};	1423	if delete $self->{load_original};
1248		1424
1249	if (my $uniq = $path->uniq_path) {	1425	if (my $uniq = $self->uniq_path) {
1250	utf8::encode $uniq;	1426	utf8::encode $uniq;
1251	if (aio_open $uniq, O_RDONLY, 0) {	1427	if (aio_open $uniq, O_RDONLY, 0) {
1252	$self->clear_unique_items;	1428	$self->clear_unique_items;
1253	$self->load_objects ($uniq, 0);	1429	$self->_load_objects ($uniq, 0);
1254	}	1430	}
1255	}	1431	}
		1432
		1433	Coro::cede;
1256		1434
1257	# now do the right thing for maps	1435	# now do the right thing for maps
1258	$self->link_multipart_objects;	1436	$self->link_multipart_objects;
1259		1437
1260	if ($self->{path}->is_style_map) {	1438	unless ($self->{deny_activate}) {
1261	$self->{deny_save} = 1;	1439	$self->decay_objects;
1262	$self->{deny_reset} = 1;
1263	} else {
1264	$self->fix_auto_apply;	1440	$self->fix_auto_apply;
1265	$self->decay_objects;
1266	$self->update_buttons;	1441	$self->update_buttons;
		1442	Coro::cede;
1267	$self->set_darkness_map;	1443	$self->set_darkness_map;
1268	$self->difficulty ($self->estimate_difficulty)	1444	$self->difficulty ($self->estimate_difficulty)
1269	unless $self->difficulty;	1445	unless $self->difficulty;
		1446	Coro::cede;
1270	$self->activate;	1447	$self->activate;
1271	}	1448	}
1272		1449
		1450	$self->post_load;
		1451
1273	$self->in_memory (cf::MAP_IN_MEMORY);	1452	$self->in_memory (cf::MAP_IN_MEMORY);
1274	}	1453	}
1275		1454
1276	sub load_map_sync {	1455	sub customise_for {
		1456	my ($self, $ob) = @_;
		1457
		1458	return find "~" . $ob->name . "/" . $self->{path}
		1459	if $self->per_player;
		1460
		1461	$self
		1462	}
		1463
		1464	# find and load all maps in the 3x3 area around a map
		1465	sub load_diag {
		1466	my ($map) = @_;
		1467
		1468	my @diag; # diagonal neighbours
		1469
		1470	for (0 .. 3) {
		1471	my $neigh = $map->tile_path ($_)
		1472	or next;
		1473	$neigh = find $neigh, $map
		1474	or next;
		1475	$neigh->load;
		1476
		1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1479	}
		1480
		1481	for (@diag) {
		1482	my $neigh = find @$_
		1483	or next;
		1484	$neigh->load;
		1485	}
		1486	}
		1487
		1488	sub find_sync {
1277	my ($path, $origin) = @_;	1489	my ($path, $origin) = @_;
1278		1490
1279	#warn "load_map_sync<$path, $origin>\n";#d#	1491	cf::sync_job { find $path, $origin }
		1492	}
1280		1493
1281	cf::sync_job {	1494	sub do_load_sync {
1282	my $map = cf::map::find_map $path, $origin	1495	my ($map) = @_;
1283	or return;	1496
		1497	cf::sync_job { $map->load };
		1498	}
		1499
		1500	our %MAP_PREFETCH;
		1501	our $MAP_PREFETCHER = undef;
		1502
		1503	sub find_async {
		1504	my ($path, $origin) = @_;
		1505
		1506	$path = normalise $path, $origin && $origin->{path};
		1507
		1508	if (my $map = $cf::MAP{$path}) {
		1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1510	}
		1511
		1512	undef $MAP_PREFETCH{$path};
		1513	$MAP_PREFETCHER ||= cf::async {
		1514	while (%MAP_PREFETCH) {
		1515	for my $path (keys %MAP_PREFETCH) {
		1516	my $map = find $path
		1517	or next;
1284	$map->load;	1518	$map->load;
1285	$map	1519
		1520	delete $MAP_PREFETCH{$path};
		1521	}
		1522	}
		1523	undef $MAP_PREFETCHER;
1286	}	1524	};
		1525	$MAP_PREFETCHER->prio (6);
		1526
		1527	()
1287	}	1528	}
1288		1529
1289	sub save {	1530	sub save {
1290	my ($self) = @_;	1531	my ($self) = @_;
1291		1532
		1533	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1534
1292	$self->{last_save} = $cf::RUNTIME;	1535	$self->{last_save} = $cf::RUNTIME;
1293		1536
1294	return unless $self->dirty;	1537	return unless $self->dirty;
1295		1538
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1539	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1540	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1541
1299	$self->{load_path} = $save;	1542	$self->{load_path} = $save;
1300		1543
1301	return if $self->{deny_save};	1544	return if $self->{deny_save};
1302		1545
		1546	local $self->{last_access} = $self->last_access;#d#
		1547
		1548	cf::async {
		1549	$_->contr->save for $self->players;
		1550	};
		1551
1303	if ($uniq) {	1552	if ($uniq) {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1305	$self->save_objects ($uniq, cf::IO_UNIQUES);	1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1306	} else {	1555	} else {
1307	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1308	}	1557	}
1309	}	1558	}
1310		1559
1311	sub swap_out {	1560	sub swap_out {
1312	my ($self) = @_;	1561	my ($self) = @_;
		1562
		1563	# save first because save cedes
		1564	$self->save;
		1565
		1566	my $lock = cf::lock_acquire "map_data:" . $self->path;
1313		1567
1314	return if $self->players;	1568	return if $self->players;
1315	return if $self->in_memory != cf::MAP_IN_MEMORY;	1569	return if $self->in_memory != cf::MAP_IN_MEMORY;
1316	return if $self->{deny_save};	1570	return if $self->{deny_save};
1317		1571
1318	$self->save;
1319	$self->clear;	1572	$self->clear;
1320	$self->in_memory (cf::MAP_SWAPPED);	1573	$self->in_memory (cf::MAP_SWAPPED);
1321	}	1574	}
1322		1575
1323	sub reset_at {	1576	sub reset_at {
1324	my ($self) = @_;	1577	my ($self) = @_;
1325		1578
1326	# TODO: safety, remove and allow resettable per-player maps	1579	# TODO: safety, remove and allow resettable per-player maps
1327	return 1e99 if $self->{path}{user_rel};	1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1328	return 1e99 if $self->{deny_reset};	1581	return 1e99 if $self->{deny_reset};
1329		1582
1330	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1331	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1332		1585
…		…
1337	my ($self) = @_;	1590	my ($self) = @_;
1338		1591
1339	$self->reset_at <= $cf::RUNTIME	1592	$self->reset_at <= $cf::RUNTIME
1340	}	1593	}
1341		1594
1342	sub unlink_save {
1343	my ($self) = @_;
1344
1345	utf8::encode (my $save = $self->{path}->save_path);
1346	aioreq_pri 3; IO::AIO::aio_unlink $save;
1347	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1348	}
1349
1350	sub rename {
1351	my ($self, $new_path) = @_;
1352
1353	$self->unlink_save;
1354
1355	delete $cf::MAP{$self->path};
1356	$self->{path} = new cf::path $new_path;
1357	$self->path ($self->{path}->as_string);
1358	$cf::MAP{$self->path} = $self;
1359
1360	$self->save;
1361	}
1362
1363	sub reset {	1595	sub reset {
1364	my ($self) = @_;	1596	my ($self) = @_;
1365		1597
		1598	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1599
1366	return if $self->players;	1600	return if $self->players;
1367	return if $self->{path}{user_rel};#d#	1601	return if $self->isa ("ext::map_per_player");#d#
1368		1602
1369	warn "resetting map ", $self->path;#d#	1603	warn "resetting map ", $self->path;#d#
1370		1604
1371	delete $cf::MAP{$self->path};	1605	delete $cf::MAP{$self->path};
		1606
		1607	$self->in_memory (cf::MAP_SWAPPED);
		1608	$self->clear;
1372		1609
1373	$_->clear_links_to ($self) for values %cf::MAP;	1610	$_->clear_links_to ($self) for values %cf::MAP;
1374		1611
1375	$self->unlink_save;	1612	$self->unlink_save;
1376	$self->destroy;	1613	$self->destroy;
…		…
1379	my $nuke_counter = "aaaa";	1616	my $nuke_counter = "aaaa";
1380		1617
1381	sub nuke {	1618	sub nuke {
1382	my ($self) = @_;	1619	my ($self) = @_;
1383		1620
		1621	delete $cf::MAP{$self->path};
		1622
		1623	$self->unlink_save;
		1624
		1625	bless $self, "cf::map";
		1626	delete $self->{deny_reset};
1384	$self->{deny_save} = 1;	1627	$self->{deny_save} = 1;
1385	$self->reset_timeout (1);	1628	$self->reset_timeout (1);
1386	$self->rename ("{nuke}/" . ($nuke_counter++));	1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1630
		1631	$cf::MAP{$self->path} = $self;
		1632
1387	$self->reset; # polite request, might not happen	1633	$self->reset; # polite request, might not happen
1388	}	1634	}
1389		1635
1390	sub customise_for {	1636	=item cf::map::unique_maps
1391	my ($map, $ob) = @_;
1392		1637
1393	if ($map->per_player) {	1638	Returns an arrayref of paths of all shared maps that have
1394	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1639	instantiated unique items. May block.
1395	}
1396		1640
1397	$map	1641	=cut
1398	}
1399		1642
1400	sub emergency_save {	1643	sub unique_maps() {
1401	local $cf::FREEZE = 1;	1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1645	or return;
1402		1646
1403	warn "enter emergency map save\n";	1647	my @paths;
1404		1648
1405	cf::sync_job {	1649	for (@$files) {
1406	warn "begin emergency map save\n";	1650	utf8::decode $_;
1407	$_->save for values %cf::MAP;	1651	next if /\.pst$/;
		1652	next unless /^$PATH_SEP/o;
		1653
		1654	push @paths, cf::map::normalise $_;
1408	};	1655	}
1409		1656
1410	warn "end emergency map save\n";	1657	\@paths
1411	}	1658	}
1412		1659
1413	package cf;	1660	package cf;
1414		1661
1415	=back	1662	=back
1416		1663
		1664	=head3 cf::object
		1665
		1666	=cut
		1667
		1668	package cf::object;
		1669
		1670	=over 4
		1671
		1672	=item $ob->inv_recursive
		1673
		1674	Returns the inventory of the object _and_ their inventories, recursively.
		1675
		1676	=cut
		1677
		1678	sub inv_recursive_;
		1679	sub inv_recursive_ {
		1680	map { $_, inv_recursive_ $_->inv } @_
		1681	}
		1682
		1683	sub inv_recursive {
		1684	inv_recursive_ inv $_[0]
		1685	}
		1686
		1687	package cf;
		1688
		1689	=back
1417		1690
1418	=head3 cf::object::player	1691	=head3 cf::object::player
1419		1692
1420	=over 4	1693	=over 4
1421		1694
…		…
1461		1734
1462	=item $player_object->enter_link	1735	=item $player_object->enter_link
1463		1736
1464	Freezes the player and moves him/her to a special map (C<{link}>).	1737	Freezes the player and moves him/her to a special map (C<{link}>).
1465		1738
1466	The player should be reaosnably safe there for short amounts of time. You	1739	The player should be reasonably safe there for short amounts of time. You
1467	I<MUST> call C<leave_link> as soon as possible, though.	1740	I<MUST> call C<leave_link> as soon as possible, though.
1468		1741
		1742	Will never block.
		1743
1469	=item $player_object->leave_link ($map, $x, $y)	1744	=item $player_object->leave_link ($map, $x, $y)
1470		1745
1471	Moves the player out of the specila link map onto the given map. If the	1746	Moves the player out of the special C<{link}> map onto the specified
1472	map is not valid (or omitted), the player will be moved back to the	1747	map. If the map is not valid (or omitted), the player will be moved back
1473	location he/she was before the call to C<enter_link>, or, if that fails,	1748	to the location he/she was before the call to C<enter_link>, or, if that
1474	to the emergency map position.	1749	fails, to the emergency map position.
1475		1750
1476	Might block.	1751	Might block.
1477		1752
1478	=cut	1753	=cut
		1754
		1755	sub link_map {
		1756	unless ($LINK_MAP) {
		1757	$LINK_MAP = cf::map::find "{link}"
		1758	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1759	$LINK_MAP->load;
		1760	}
		1761
		1762	$LINK_MAP
		1763	}
1479		1764
1480	sub cf::object::player::enter_link {	1765	sub cf::object::player::enter_link {
1481	my ($self) = @_;	1766	my ($self) = @_;
1482		1767
1483	$self->deactivate_recursive;	1768	$self->deactivate_recursive;
1484		1769
1485	return if $self->map == $LINK_MAP;	1770	return if UNIVERSAL::isa $self->map, "ext::map_link";
1486		1771
1487	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1488	if $self->map;	1773	if $self->map;
1489		1774
1490	$self->enter_map ($LINK_MAP, 20, 20);	1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1491	}	1776	}
1492		1777
1493	sub cf::object::player::leave_link {	1778	sub cf::object::player::leave_link {
1494	my ($self, $map, $x, $y) = @_;	1779	my ($self, $map, $x, $y) = @_;
1495		1780
1496	my $link_pos = delete $self->{_link_pos};	1781	my $link_pos = delete $self->{_link_pos};
1497		1782
1498	unless ($map) {	1783	unless ($map) {
1499	# restore original map position	1784	# restore original map position
1500	($map, $x, $y) = @{ $link_pos || [] };	1785	($map, $x, $y) = @{ $link_pos || [] };
1501	$map = cf::map::find_map $map;	1786	$map = cf::map::find $map;
1502		1787
1503	unless ($map) {	1788	unless ($map) {
1504	($map, $x, $y) = @$EMERGENCY_POSITION;	1789	($map, $x, $y) = @$EMERGENCY_POSITION;
1505	$map = cf::map::find_map $map	1790	$map = cf::map::find $map
1506	or die "FATAL: cannot load emergency map\n";	1791	or die "FATAL: cannot load emergency map\n";
1507	}	1792	}
1508	}	1793	}
1509		1794
1510	($x, $y) = (-1, -1)	1795	($x, $y) = (-1, -1)
…		…
1513	# use -1 or undef as default coordinates, not 0, 0	1798	# use -1 or undef as default coordinates, not 0, 0
1514	($x, $y) = ($map->enter_x, $map->enter_y)	1799	($x, $y) = ($map->enter_x, $map->enter_y)
1515	if $x <=0 && $y <= 0;	1800	if $x <=0 && $y <= 0;
1516		1801
1517	$map->load;	1802	$map->load;
		1803	$map->load_diag;
1518		1804
		1805	return unless $self->contr->active;
1519	$self->activate_recursive;	1806	$self->activate_recursive;
1520	$self->enter_map ($map, $x, $y);	1807	$self->enter_map ($map, $x, $y);
1521	}	1808	}
1522		1809
1523	cf::player->attach (	1810	cf::player->attach (
…		…
1536		1823
1537	# try to abort aborted map switching on player login :)	1824	# try to abort aborted map switching on player login :)
1538	# should happen only on crashes	1825	# should happen only on crashes
1539	if ($pl->ob->{_link_pos}) {	1826	if ($pl->ob->{_link_pos}) {
1540	$pl->ob->enter_link;	1827	$pl->ob->enter_link;
1541	Coro::async {	1828	(async {
1542	# we need this sleep as the login has a concurrent enter_exit running	1829	# we need this sleep as the login has a concurrent enter_exit running
1543	# and this sleep increases chances of the player not ending up in scorn	1830	# and this sleep increases chances of the player not ending up in scorn
		1831	$pl->ob->reply (undef,
		1832	"There was an internal problem at your last logout, "
		1833	. "the server will try to bring you to your intended destination in a second.",
		1834	cf::NDI_RED);
1544	Coro::Timer::sleep 1;	1835	Coro::Timer::sleep 1;
1545	$pl->ob->leave_link;	1836	$pl->ob->leave_link;
1546	};	1837	})->prio (2);
1547	}	1838	}
1548	},	1839	},
1549	);	1840	);
1550		1841
1551	=item $player_object->goto_map ($path, $x, $y)	1842	=item $player_object->goto ($path, $x, $y)
1552		1843
1553	=cut	1844	=cut
1554		1845
1555	sub cf::object::player::goto_map {	1846	sub cf::object::player::goto {
1556	my ($self, $path, $x, $y) = @_;	1847	my ($self, $path, $x, $y) = @_;
1557		1848
1558	$self->enter_link;	1849	$self->enter_link;
1559		1850
1560	(Coro::async {	1851	(async {
1561	$path = new cf::path $path;	1852	my $map = eval {
1562
1563	my $map = cf::map::find_map $path->as_string;	1853	my $map = cf::map::find $path;
1564	$map = $map->customise_for ($self) if $map;	1854	$map = $map->customise_for ($self) if $map;
1565		1855	$map
1566	# warn "entering ", $map->path, " at ($x, $y)\n"	1856	} or
1567	# if $map;
1568
1569	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1570		1858
1571	$self->leave_link ($map, $x, $y);	1859	$self->leave_link ($map, $x, $y);
1572	})->prio (1);	1860	})->prio (1);
1573	}	1861	}
1574		1862
…		…
1578		1866
1579	sub parse_random_map_params {	1867	sub parse_random_map_params {
1580	my ($spec) = @_;	1868	my ($spec) = @_;
1581		1869
1582	my $rmp = { # defaults	1870	my $rmp = { # defaults
1583	xsize => 10,	1871	xsize => (cf::rndm 15, 40),
1584	ysize => 10,	1872	ysize => (cf::rndm 15, 40),
		1873	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1874	#layout => string,
1585	};	1875	};
1586		1876
1587	for (split /\n/, $spec) {	1877	for (split /\n/, $spec) {
1588	my ($k, $v) = split /\s+/, $_, 2;	1878	my ($k, $v) = split /\s+/, $_, 2;
1589		1879
…		…
1593	$rmp	1883	$rmp
1594	}	1884	}
1595		1885
1596	sub prepare_random_map {	1886	sub prepare_random_map {
1597	my ($exit) = @_;	1887	my ($exit) = @_;
		1888
		1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1598		1890
1599	# all this does is basically replace the /! path by	1891	# all this does is basically replace the /! path by
1600	# a new random map path (?random/...) with a seed	1892	# a new random map path (?random/...) with a seed
1601	# that depends on the exit object	1893	# that depends on the exit object
1602		1894
1603	my $rmp = parse_random_map_params $exit->msg;	1895	my $rmp = parse_random_map_params $exit->msg;
1604		1896
1605	if ($exit->map) {	1897	if ($exit->map) {
1606	$rmp->{region} = $exit->map->region_name;	1898	$rmp->{region} = $exit->region->name;
1607	$rmp->{origin_map} = $exit->map->path;	1899	$rmp->{origin_map} = $exit->map->path;
1608	$rmp->{origin_x} = $exit->x;	1900	$rmp->{origin_x} = $exit->x;
1609	$rmp->{origin_y} = $exit->y;	1901	$rmp->{origin_y} = $exit->y;
1610	}	1902	}
1611		1903
1612	$rmp->{random_seed} ||= $exit->random_seed;	1904	$rmp->{random_seed} ||= $exit->random_seed;
1613		1905
1614	my $data = cf::to_json $rmp;	1906	my $data = cf::to_json $rmp;
1615	my $md5 = Digest::MD5::md5_hex $data;	1907	my $md5 = Digest::MD5::md5_hex $data;
		1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1616		1909
1617	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1618	aio_write $fh, 0, (length $data), $data, 0;	1911	aio_write $fh, 0, (length $data), $data, 0;
		1912	undef $fh;
		1913	aio_rename "$meta~", $meta;
1619		1914
1620	$exit->slaying ("?random/$md5");	1915	$exit->slaying ("?random/$md5");
1621	$exit->msg (undef);	1916	$exit->msg (undef);
1622	}	1917	}
1623	}	1918	}
…		…
1625	sub cf::object::player::enter_exit {	1920	sub cf::object::player::enter_exit {
1626	my ($self, $exit) = @_;	1921	my ($self, $exit) = @_;
1627		1922
1628	return unless $self->type == cf::PLAYER;	1923	return unless $self->type == cf::PLAYER;
1629		1924
		1925	if ($exit->slaying eq "/!") {
		1926	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1927	cf::sync_job { prepare_random_map $exit };
		1928	}
		1929
		1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1931	my $hp = $exit->stats->hp;
		1932	my $sp = $exit->stats->sp;
		1933
1630	$self->enter_link;	1934	$self->enter_link;
1631		1935
1632	(Coro::async {	1936	(async {
		1937	$self->deactivate_recursive; # just to be sure
1633	unless (eval {	1938	unless (eval {
1634		1939	$self->goto ($slaying, $hp, $sp);
1635	prepare_random_map $exit
1636	if $exit->slaying eq "/!";
1637
1638	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1639	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1640		1940
1641	1;	1941	1;
1642	}) {	1942	}) {
1643	$self->message ("Something went wrong deep within the crossfire server. "	1943	$self->message ("Something went wrong deep within the crossfire server. "
1644	. "I'll try to bring you back to the map you were before. "	1944	. "I'll try to bring you back to the map you were before. "
1645	. "Please report this to the dungeon master",	1945	. "Please report this to the dungeon master!",
1646	cf::NDI_UNIQUE | cf::NDI_RED);	1946	cf::NDI_UNIQUE | cf::NDI_RED);
1647		1947
1648	warn "ERROR in enter_exit: $@";	1948	warn "ERROR in enter_exit: $@";
1649	$self->leave_link;	1949	$self->leave_link;
1650	}	1950	}
…		…
1701	on_reply => sub {	2001	on_reply => sub {
1702	my ($ns, $msg) = @_;	2002	my ($ns, $msg) = @_;
1703		2003
1704	# this weird shuffling is so that direct followup queries	2004	# this weird shuffling is so that direct followup queries
1705	# get handled first	2005	# get handled first
1706	my $queue = delete $ns->{query_queue};	2006	my $queue = delete $ns->{query_queue}
		2007	or return; # be conservative, not sure how that can happen, but we saw a crash here
1707		2008
1708	(shift @$queue)->[1]->($msg);	2009	(shift @$queue)->[1]->($msg);
		2010	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1709		2011
1710	push @{ $ns->{query_queue} }, @$queue;	2012	push @{ $ns->{query_queue} }, @$queue;
1711		2013
1712	if (@{ $ns->{query_queue} } == @$queue) {	2014	if (@{ $ns->{query_queue} } == @$queue) {
1713	if (@$queue) {	2015	if (@$queue) {
…		…
1717	}	2019	}
1718	}	2020	}
1719	},	2021	},
1720	);	2022	);
1721		2023
1722	=item $client->coro (\&cb)	2024	=item $client->async (\&cb)
1723		2025
1724	Create a new coroutine, running the specified callback. The coroutine will	2026	Create a new coroutine, running the specified callback. The coroutine will
1725	be automatically cancelled when the client gets destroyed (e.g. on logout,	2027	be automatically cancelled when the client gets destroyed (e.g. on logout,
1726	or loss of connection).	2028	or loss of connection).
1727		2029
1728	=cut	2030	=cut
1729		2031
1730	sub cf::client::coro {	2032	sub cf::client::async {
1731	my ($self, $cb) = @_;	2033	my ($self, $cb) = @_;
1732		2034
1733	my $coro; $coro = async {	2035	my $coro = &Coro::async ($cb);
1734	eval {
1735	$cb->();
1736	};
1737	warn $@ if $@;
1738	};
1739		2036
1740	$coro->on_destroy (sub {	2037	$coro->on_destroy (sub {
1741	delete $self->{_coro}{$coro+0};	2038	delete $self->{_coro}{$coro+0};
1742	});	2039	});
1743		2040
…		…
1937	sub db_sync() {	2234	sub db_sync() {
1938	db_save if $dirty;	2235	db_save if $dirty;
1939	undef $dirty;	2236	undef $dirty;
1940	}	2237	}
1941		2238
1942	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2239	my $idle = Event->idle (
1943	db_sync;	2240	reentrant => 0,
		2241	min => 10,
		2242	max => 20,
		2243	repeat => 0,
		2244	data => WF_AUTOCANCEL,
		2245	cb => \&db_sync,
1944	});	2246	);
1945		2247
1946	sub db_dirty() {	2248	sub db_dirty() {
1947	$dirty = 1;	2249	$dirty = 1;
1948	$idle->start;	2250	$idle->start;
1949	}	2251	}
…		…
1970	},	2272	},
1971	);	2273	);
1972	}	2274	}
1973		2275
1974	#############################################################################	2276	#############################################################################
1975	# the server's main()	2277	# the server's init and main functions
		2278
		2279	sub load_resources {
		2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2281	or die "unable to load regions file\n";#d#
		2282	}
1976		2283
1977	sub cfg_load {	2284	sub cfg_load {
1978	open my $fh, "<:utf8", cf::confdir . "/config"	2285	open my $fh, "<:utf8", cf::confdir . "/config"
1979	or return;	2286	or return;
1980		2287
1981	local $/;	2288	local $/;
1982	*CFG = YAML::Syck::Load <$fh>;	2289	*CFG = YAML::Syck::Load <$fh>;
		2290
		2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2292
		2293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2295
		2296	if (exists $CFG{mlockall}) {
		2297	eval {
		2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2299	and die "WARNING: m(un)lockall failed: $!\n";
		2300	};
		2301	warn $@ if $@;
		2302	}
		2303	}
		2304
		2305	sub init {
		2306	load_resources;
1983	}	2307	}
1984		2308
1985	sub main {	2309	sub main {
1986	# we must not ever block the main coroutine	2310	# we must not ever block the main coroutine
1987	local $Coro::idle = sub {	2311	local $Coro::idle = sub {
1988	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1989	(Coro::unblock_sub {	2313	(async {
1990	Event::one_event;	2314	Event::one_event;
1991	})->();	2315	})->prio (Coro::PRIO_MAX);
1992	};	2316	};
1993		2317
1994	cfg_load;	2318	cfg_load;
1995	db_load;	2319	db_load;
1996	load_extensions;	2320	load_extensions;
		2321
		2322	$TICK_WATCHER->start;
1997	Event::loop;	2323	Event::loop;
1998	}	2324	}
1999		2325
2000	#############################################################################	2326	#############################################################################
2001	# initialisation	2327	# initialisation and cleanup
		2328
		2329	# install some emergency cleanup handlers
		2330	BEGIN {
		2331	for my $signal (qw(INT HUP TERM)) {
		2332	Event->signal (
		2333	reentrant => 0,
		2334	data => WF_AUTOCANCEL,
		2335	signal => $signal,
		2336	prio => 0,
		2337	cb => sub {
		2338	cf::cleanup "SIG$signal";
		2339	},
		2340	);
		2341	}
		2342	}
		2343
		2344	sub emergency_save() {
		2345	my $freeze_guard = cf::freeze_mainloop;
		2346
		2347	warn "enter emergency perl save\n";
		2348
		2349	cf::sync_job {
		2350	# use a peculiar iteration method to avoid tripping on perl
		2351	# refcount bugs in for. also avoids problems with players
		2352	# and maps saved/destroyed asynchronously.
		2353	warn "begin emergency player save\n";
		2354	for my $login (keys %cf::PLAYER) {
		2355	my $pl = $cf::PLAYER{$login} or next;
		2356	$pl->valid or next;
		2357	$pl->save;
		2358	}
		2359	warn "end emergency player save\n";
		2360
		2361	warn "begin emergency map save\n";
		2362	for my $path (keys %cf::MAP) {
		2363	my $map = $cf::MAP{$path} or next;
		2364	$map->valid or next;
		2365	$map->save;
		2366	}
		2367	warn "end emergency map save\n";
		2368	};
		2369
		2370	warn "leave emergency perl save\n";
		2371	}
2002		2372
2003	sub reload() {	2373	sub reload() {
2004	# can/must only be called in main	2374	# can/must only be called in main
2005	if ($Coro::current != $Coro::main) {	2375	if ($Coro::current != $Coro::main) {
2006	warn "can only reload from main coroutine\n";	2376	warn "can only reload from main coroutine";
2007	return;	2377	return;
2008	}	2378	}
2009		2379
2010	warn "reloading...";	2380	warn "reloading...";
2011		2381
2012	local $FREEZE = 1;	2382	warn "cancelling server ticker";
		2383	$TICK_WATCHER->cancel;
		2384
2013	cf::emergency_save;	2385	cf::emergency_save;
2014		2386
2015	eval {	2387	eval {
2016	# if anything goes wrong in here, we should simply crash as we already saved	2388	# if anything goes wrong in here, we should simply crash as we already saved
2017		2389
2018	# cancel all watchers	2390	warn "syncing database to disk";
		2391	cf::db_sync;
		2392
		2393	warn "cancelling all WF_AUTOCANCEL watchers";
2019	for (Event::all_watchers) {	2394	for (Event::all_watchers) {
2020	$_->cancel if $_->data & WF_AUTOCANCEL;	2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2021	}	2396	}
2022		2397
		2398	warn "flushing outstanding aio requests";
		2399	for (;;) {
		2400	IO::AIO::flush;
		2401	Coro::cede;
		2402	last unless IO::AIO::nreqs;
		2403	warn "iterate...";
		2404	}
		2405
2023	# cancel all extension coros	2406	warn "cancelling all extension coros";
2024	$_->cancel for values %EXT_CORO;	2407	$_->cancel for values %EXT_CORO;
2025	%EXT_CORO = ();	2408	%EXT_CORO = ();
2026		2409
2027	# unload all extensions	2410	warn "removing commands";
2028	for (@exts) {	2411	%COMMAND = ();
		2412
		2413	warn "removing ext commands";
		2414	%EXTCMD = ();
		2415
		2416	warn "unloading/nuking all extensions";
		2417	for my $pkg (@EXTS) {
2029	warn "unloading <$_>";	2418	warn "... unloading $pkg";
2030	unload_extension $_;	2419
		2420	if (my $cb = $pkg->can ("unload")) {
		2421	eval {
		2422	$cb->($pkg);
		2423	1
		2424	} or warn "$pkg unloaded, but with errors: $@";
2031	}	2425	}
2032		2426
		2427	warn "... nuking $pkg";
		2428	Symbol::delete_package $pkg;
		2429	}
		2430
2033	# unload all modules loaded from $LIBDIR	2431	warn "unloading all perl modules loaded from $LIBDIR";
2034	while (my ($k, $v) = each %INC) {	2432	while (my ($k, $v) = each %INC) {
2035	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2036		2434
2037	warn "removing <$k>";	2435	warn "... unloading $k";
2038	delete $INC{$k};	2436	delete $INC{$k};
2039		2437
2040	$k =~ s/\.pm$//;	2438	$k =~ s/\.pm$//;
2041	$k =~ s/\//::/g;	2439	$k =~ s/\//::/g;
2042		2440
…		…
2045	}	2443	}
2046		2444
2047	Symbol::delete_package $k;	2445	Symbol::delete_package $k;
2048	}	2446	}
2049		2447
2050	# sync database to disk
2051	cf::db_sync;
2052	IO::AIO::flush;
2053
2054	# get rid of safe::, as good as possible	2448	warn "getting rid of safe::, as good as possible";
2055	Symbol::delete_package "safe::$_"	2449	Symbol::delete_package "safe::$_"
2056	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2057		2451
2058	# remove register_script_function callbacks
2059	# TODO
2060
2061	# unload cf.pm "a bit"	2452	warn "unloading cf.pm \"a bit\"";
2062	delete $INC{"cf.pm"};	2453	delete $INC{"cf.pm"};
2063		2454
2064	# don't, removes xs symbols, too,	2455	# don't, removes xs symbols, too,
2065	# and global variables created in xs	2456	# and global variables created in xs
2066	#Symbol::delete_package __PACKAGE__;	2457	#Symbol::delete_package __PACKAGE__;
2067		2458
2068	# reload cf.pm	2459	warn "unload completed, starting to reload now";
		2460
2069	warn "reloading cf.pm";	2461	warn "reloading cf.pm";
2070	require cf;	2462	require cf;
2071	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2072		2464
2073	# load config and database again	2465	warn "loading config and database again";
2074	cf::cfg_load;	2466	cf::cfg_load;
2075	cf::db_load;	2467	cf::db_load;
2076		2468
2077	# load extensions
2078	warn "load extensions";	2469	warn "loading extensions";
2079	cf::load_extensions;	2470	cf::load_extensions;
2080		2471
2081	# reattach attachments to objects	2472	warn "reattaching attachments to objects/players";
2082	warn "reattach";
2083	_global_reattach;	2473	_global_reattach;
		2474	warn "reattaching attachments to maps";
		2475	reattach $_ for values %MAP;
		2476
		2477	warn "loading reloadable resources";
		2478	load_resources;
		2479
		2480	warn "restarting server ticker";
		2481
		2482	$TICK_WATCHER->start;
2084	};	2483	};
2085		2484
2086	if ($@) {	2485	if ($@) {
2087	warn $@;	2486	warn $@;
2088	warn "error while reloading, exiting.";	2487	warn "error while reloading, exiting.";
2089	exit 1;	2488	exit 1;
2090	}	2489	}
2091		2490
2092	warn "reloaded successfully";	2491	warn "reloaded";
2093	};	2492	};
2094		2493
2095	#############################################################################	2494	our $RELOAD_WATCHER; # used only during reload
2096
2097	unless ($LINK_MAP) {
2098	$LINK_MAP = cf::map::new;
2099
2100	$LINK_MAP->width (41);
2101	$LINK_MAP->height (41);
2102	$LINK_MAP->alloc;
2103	$LINK_MAP->path ("{link}");
2104	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2105	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2106
2107	# dirty hack because... archetypes are not yet loaded
2108	Event->timer (
2109	after => 2,
2110	cb => sub {
2111	$_[0]->w->cancel;
2112
2113	# provide some exits "home"
2114	my $exit = cf::object::new "exit";
2115
2116	$exit->slaying ($EMERGENCY_POSITION->[0]);
2117	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2118	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2119
2120	$LINK_MAP->insert ($exit->clone, 19, 19);
2121	$LINK_MAP->insert ($exit->clone, 19, 20);
2122	$LINK_MAP->insert ($exit->clone, 19, 21);
2123	$LINK_MAP->insert ($exit->clone, 20, 19);
2124	$LINK_MAP->insert ($exit->clone, 20, 21);
2125	$LINK_MAP->insert ($exit->clone, 21, 19);
2126	$LINK_MAP->insert ($exit->clone, 21, 20);
2127	$LINK_MAP->insert ($exit->clone, 21, 21);
2128
2129	$exit->destroy;
2130	});
2131
2132	$LINK_MAP->{deny_save} = 1;
2133	$LINK_MAP->{deny_reset} = 1;
2134
2135	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2136	}
2137
2138	register "<global>", __PACKAGE__;
2139		2495
2140	register_command "reload" => sub {	2496	register_command "reload" => sub {
2141	my ($who, $arg) = @_;	2497	my ($who, $arg) = @_;
2142		2498
2143	if ($who->flag (FLAG_WIZ)) {	2499	if ($who->flag (FLAG_WIZ)) {
2144	$who->message ("start of reload.");	2500	$who->message ("reloading server.");
		2501
		2502	# doing reload synchronously and two reloads happen back-to-back,
		2503	# coro crashes during coro_state_free->destroy here.
		2504
		2505	$RELOAD_WATCHER ||= Event->timer (
		2506	reentrant => 0,
		2507	after => 0,
		2508	data => WF_AUTOCANCEL,
		2509	cb => sub {
2145	reload;	2510	reload;
2146	$who->message ("end of reload.");	2511	undef $RELOAD_WATCHER;
		2512	},
		2513	);
2147	}	2514	}
2148	};	2515	};
2149		2516
2150	unshift @INC, $LIBDIR;	2517	unshift @INC, $LIBDIR;
		2518
		2519	my $bug_warning = 0;
2151		2520
2152	$TICK_WATCHER = Event->timer (	2521	$TICK_WATCHER = Event->timer (
2153	reentrant => 0,	2522	reentrant => 0,
		2523	parked => 1,
2154	prio => 0,	2524	prio => 0,
2155	at => $NEXT_TICK || $TICK,	2525	at => $NEXT_TICK || $TICK,
2156	data => WF_AUTOCANCEL,	2526	data => WF_AUTOCANCEL,
2157	cb => sub {	2527	cb => sub {
2158	unless ($FREEZE) {	2528	if ($Coro::current != $Coro::main) {
		2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2530	unless ++$bug_warning > 10;
		2531	return;
		2532	}
		2533
		2534	$NOW = Event::time;
		2535
2159	cf::server_tick; # one server iteration	2536	cf::server_tick; # one server iteration
2160	$RUNTIME += $TICK;	2537	$RUNTIME += $TICK;
2161	}
2162
2163	$NEXT_TICK += $TICK;	2538	$NEXT_TICK += $TICK;
		2539
		2540	$WAIT_FOR_TICK->broadcast;
		2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2542
		2543	Event::sweep;
		2544	Coro::cede_notself;
		2545
		2546	# my $AFTER = Event::time;
		2547	# warn $AFTER - $NOW;#d#
2164		2548
2165	# if we are delayed by four ticks or more, skip them all	2549	# if we are delayed by four ticks or more, skip them all
2166	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2167		2551
2168	$TICK_WATCHER->at ($NEXT_TICK);	2552	$TICK_WATCHER->at ($NEXT_TICK);
2169	$TICK_WATCHER->start;	2553	$TICK_WATCHER->start;
2170	},	2554	},
2171	);	2555	);
2172		2556
2173	IO::AIO::max_poll_time $TICK * 0.2;	2557	IO::AIO::max_poll_time $TICK * 0.1;
2174		2558
2175	Event->io (	2559	undef $Coro::AIO::WATCHER;
		2560	$AIO_POLL_WATCHER = Event->io (
		2561	reentrant => 0,
2176	fd => IO::AIO::poll_fileno,	2562	fd => IO::AIO::poll_fileno,
2177	poll => 'r',	2563	poll => 'r',
2178	prio => 5,	2564	prio => 6,
2179	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2180	cb => \&IO::AIO::poll_cb,	2566	cb => \&IO::AIO::poll_cb,
2181	);	2567	);
2182		2568
2183	Event->timer (	2569	$WRITE_RUNTIME_WATCHER = Event->timer (
		2570	reentrant => 0,
2184	data => WF_AUTOCANCEL,	2571	data => WF_AUTOCANCEL,
2185	after => 0,	2572	after => 1,
2186	interval => 10,	2573	interval => 10,
2187	cb => sub {	2574	prio => 6, # keep it lowest so it acts like a watchdog
2188	(Coro::unblock_sub {	2575	cb => Coro::unblock_sub {
2189	write_runtime	2576	write_runtime
2190	or warn "ERROR: unable to write runtime file: $!";	2577	or warn "ERROR: unable to write runtime file: $!";
2191	})->();
2192	},	2578	},
2193	);	2579	);
2194		2580
		2581	END { cf::emergency_save }
		2582
2195	1	2583	1
2196		2584

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