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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.129 by root, Wed Jan 3 00:41:19 2007 UTC vs.
Revision 1.205 by root, Mon Feb 5 18:29:20 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 = 1; # 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	}
249		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	$guard
		274	}
		275
250	=item cf::async { BLOCK }	276	=item cf::async { BLOCK }
251		277
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	278	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	279	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		280	thing you are allowed to do is call C<prio> on it.
254		281
255	=cut	282	=cut
256		283
257	sub async(&) {	284	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		285
266	=item cf::sync_job { BLOCK }	286	=item cf::sync_job { BLOCK }
267		287
268	The design of crossfire+ requires that the main coro ($Coro::main) is	288	The design of crossfire+ requires that the main coro ($Coro::main) is
269	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
…		…
283	# this is the main coro, too bad, we have to block	303	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	304	# till the operation succeeds, freezing the server :/
285		305
286	# TODO: use suspend/resume instead	306	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	307	# (but this is cancel-safe)
288	local $FREEZE = 1;	308	my $freeze_guard = freeze_mainloop;
289		309
290	my $busy = 1;	310	my $busy = 1;
291	my @res;	311	my @res;
292		312
293	(Coro::async {	313	(async {
294	@res = eval { $job->() };	314	@res = eval { $job->() };
295	warn $@ if $@;	315	warn $@ if $@;
296	undef $busy;	316	undef $busy;
297	})->prio (Coro::PRIO_MAX);	317	})->prio (Coro::PRIO_MAX);
298		318
299	while ($busy) {	319	while ($busy) {
300	Coro::cede_notself;	320	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	321	}
303		322
304	wantarray ? @res : $res[0]	323	wantarray ? @res : $res[0]
305	} else {	324	} else {
306	# we are in another coroutine, how wonderful, everything just works	325	# we are in another coroutine, how wonderful, everything just works
307		326
308	$job->()	327	$job->()
309	}	328	}
310	}	329	}
311		330
312	=item $coro = cf::coro { BLOCK }	331	=item $coro = cf::async_ext { BLOCK }
313		332
314	Creates and returns a new coro. This coro is automcatially being canceled	333	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	334	extension calling this is being unloaded.
316		335
317	=cut	336	=cut
318		337
319	sub coro(&) {	338	sub async_ext(&) {
320	my $cb = shift;	339	my $cb = shift;
321		340
322	my $coro = &cf::async ($cb);	341	my $coro = &Coro::async ($cb);
323		342
324	$coro->on_destroy (sub {	343	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	344	delete $EXT_CORO{$coro+0};
326	});	345	});
327	$EXT_CORO{$coro+0} = $coro;	346	$EXT_CORO{$coro+0} = $coro;
…		…
333	my $runtime = cf::localdir . "/runtime";	352	my $runtime = cf::localdir . "/runtime";
334		353
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	355	or return;
337		356
		357	my $value = $cf::RUNTIME + 90 + 10;
338	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
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	361	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	362	and return;
341		363
		364	# always fsync - this file is important
342	aio_fsync $fh	365	aio_fsync $fh
343	and return;	366	and return;
344		367
345	close $fh	368	close $fh
346	or return;	369	or return;
…		…
352	}	375	}
353		376
354	=back	377	=back
355		378
356	=cut	379	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		380
478	#############################################################################	381	#############################################################################
479		382
480	=head2 ATTACHABLE OBJECTS	383	=head2 ATTACHABLE OBJECTS
481		384
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	510	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	511	our @CB_MAP = ();
609		512
610	my %attachment;	513	my %attachment;
611		514
		515	sub cf::attachable::thawer_merge {
		516	# simply override everything except _meta
		517	local $_[0]{_meta};
		518	%{$_[0]} = %{$_[1]};
		519	}
		520
612	sub _attach_cb($$$$) {	521	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	522	my ($registry, $event, $prio, $cb) = @_;
614		523
615	use sort 'stable';	524	use sort 'stable';
616		525
…		…
787	# object support	696	# object support
788		697
789	sub reattach {	698	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	699	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	700	my ($obj) = @_;
		701
		702	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		703
793	my $registry = $obj->registry;	704	my $registry = $obj->registry;
794		705
795	@$registry = ();	706	@$registry = ();
796		707
…		…
843	$filename, length $$rdata, scalar @$objs;	754	$filename, length $$rdata, scalar @$objs;
844		755
845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846	chmod SAVE_MODE, $fh;	757	chmod SAVE_MODE, $fh;
847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
848	aio_fsync $fh;	759	aio_fsync $fh if $cf::USE_FSYNC;
849	close $fh;	760	close $fh;
850		761
851	if (@$objs) {	762	if (@$objs) {
852	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) {
853	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
854	my $data = Storable::nfreeze { version => 1, objs => $objs };	765	my $data = Storable::nfreeze { version => 1, objs => $objs };
855	aio_write $fh, 0, (length $data), $data, 0;	766	aio_write $fh, 0, (length $data), $data, 0;
856	aio_fsync $fh;	767	aio_fsync $fh if $cf::USE_FSYNC;
857	close $fh;	768	close $fh;
858	aio_rename "$filename.pst~", "$filename.pst";	769	aio_rename "$filename.pst~", "$filename.pst";
859	}	770	}
860	} else {	771	} else {
861	aio_unlink "$filename.pst";	772	aio_unlink "$filename.pst";
…		…
867	}	778	}
868	} else {	779	} else {
869	aio_unlink $filename;	780	aio_unlink $filename;
870	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
871	}	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	}
872	}	789	}
873	}	790	}
874		791
875	sub object_freezer_as_string {	792	sub object_freezer_as_string {
876	my ($rdata, $objs) = @_;	793	my ($rdata, $objs) = @_;
…		…
882		799
883	sub object_thawer_load {	800	sub object_thawer_load {
884	my ($filename) = @_;	801	my ($filename) = @_;
885		802
886	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$//;
887		807
888	(aio_load $filename, $data) >= 0	808	(aio_load $filename, $data) >= 0
889	or return;	809	or return;
890		810
891	unless (aio_stat "$filename.pst") {	811	unless (aio_stat "$filename.pst") {
…		…
928	=cut	848	=cut
929		849
930	sub register_extcmd {	850	sub register_extcmd {
931	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
932		852
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
937	}	854	}
938		855
939	cf::player->attach (	856	cf::player->attach (
940	on_command => sub {	857	on_command => sub {
941	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
954		871
955	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
956		873
957	if (ref $msg) {	874	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	878	}
962	}	879	}
963	} else {	880	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		883
967	cf::override;	884	cf::override;
968	},	885	},
969	);	886	);
970		887
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	888	sub load_extension {
978	my ($path) = @_;	889	my ($path) = @_;
979		890
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	892	my $base = $1;
982	my $pkg = $1;	893	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
985		896
986	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
987		898
988	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
989	or die "$path: $!";	900	or die "$path: $!";
990		901
991	my $source =	902	my $source =
992	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
995	. "\n};\n1";	906	. "\n};\n1";
996		907
997	eval $source	908	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	910	: "extension disabled.\n";
1000		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	912	warn $@;
1002	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
1003		914	exit 1;
1004	# no strict 'refs';	915	}
1005	# @{"$pkg\::ISA"} = ext::;	916	die $@;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	917	}
1020		918
1021	# remove commands	919	push @EXTS, $pkg;
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	920	}
1046		921
1047	sub load_extensions {	922	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	924	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1054	}	929	}
1055	}	930	}
1056		931
1057	#############################################################################	932	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		933
1095	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1096		935
1097	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1098		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1099	=head3 cf::player	944	=head3 cf::player
1100		945
1101	=over 4	946	=over 4
1102		947
1103	=item cf::player::exists $login	948	=item cf::player::find $login
1104		949
1105	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1106		951
1107	=cut	952	=cut
1108		953
1109	sub cf::player::exists($) {	954	sub playerdir($) {
1110	cf::player::find $_[0]	955	cf::localdir
1111	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
1112	}	1102	}
1113		1103
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1104	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115		1105
1116	Sends an ext reply to the player.	1106	Sends an ext reply to the player.
1117		1107
1118	=cut	1108	=cut
1119		1109
1120	sub cf::player::ext_reply($$$%) {	1110	sub ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;	1111	my ($self, $id, %msg) = @_;
1122		1112
1123	$msg{msgid} = $id;	1113	$msg{msgid} = $id;
1124		1114
1125	$self->send ("ext " . to_json \%msg);	1115	$self->send ("ext " . cf::to_json \%msg);
1126	}	1116	}
		1117
		1118	package cf;
1127		1119
1128	=back	1120	=back
1129		1121
1130		1122
1131	=head3 cf::map	1123	=head3 cf::map
…		…
1137	package cf::map;	1129	package cf::map;
1138		1130
1139	use Fcntl;	1131	use Fcntl;
1140	use Coro::AIO;	1132	use Coro::AIO;
1141		1133
		1134	use overload
		1135	'""' => \&as_string,
		1136	fallback => 1;
		1137
1142	our $MAX_RESET = 7200;	1138	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1139	our $DEFAULT_RESET = 3000;
1144		1140
1145	sub generate_random_map {	1141	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1142	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1143	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1144	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1148	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1149	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1152	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$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},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1154	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(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
1162	}	1286	}
1163		1287
1164	# and all this just because we cannot iterate over	1288	# and all this just because we cannot iterate over
1165	# all maps in C++...	1289	# all maps in C++...
1166	sub change_all_map_light {	1290	sub change_all_map_light {
…		…
1168		1292
1169	$_->change_map_light ($change)	1293	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1294	for grep $_->outdoor, values %cf::MAP;
1171	}	1295	}
1172		1296
		1297	sub unlink_save {
		1298	my ($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
1173	sub try_load_header($) {	1310	sub load_header_from($) {
1174	my ($path) = @_;	1311	my ($self, $path) = @_;
1175		1312
1176	utf8::encode $path;	1313	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1314	#aio_open $path, O_RDONLY, 0
		1315	# or return;
		1316
		1317	$self->_load_header ($path)
1178	or return;	1318	or return;
1179		1319
1180	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
1181	or return;	1363	or return;
		1364	$self->prepare_orig;
		1365	}
1182		1366
1183	$map->load_header ($path)	1367	1
1184	or return;
1185
1186	$map->{load_path} = $path;
1187
1188	$map
1189	}	1368	}
1190		1369
1191	sub find_map;	1370	sub find;
1192	sub find_map {	1371	sub find {
1193	my ($path, $origin) = @_;	1372	my ($path, $origin) = @_;
1194		1373
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1374	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1375
1200	cf::lock_wait "map_find:$key";	1376	cf::lock_wait "map_find:$path";
1201		1377
1202	$cf::MAP{$key} || do {	1378	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1379	my $guard = cf::lock_acquire "map_find:$path";
1204		1380	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1381	or return;
1220		1382
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1383	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1384
1234	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;
1235	$map->reset;	1391	$map->reset;
1236	undef $guard;	1392	undef $guard;
1237	$map = find_map $path	1393	return find $path;
1238	or return;
1239	}	1394	}
1240		1395
1241	$cf::MAP{$key} = $map	1396	$cf::MAP{$path} = $map
1242	}	1397	}
1243	}	1398	}
		1399
		1400	sub pre_load { }
		1401	sub post_load { }
1244		1402
1245	sub load {	1403	sub load {
1246	my ($self) = @_;	1404	my ($self) = @_;
1247		1405
		1406	local $self->{deny_reset} = 1; # loading can take a long time
		1407
1248	my $path = $self->{path};	1408	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1409	my $guard = cf::lock_acquire "map_load:$path";
1250		1410
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1411	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1412
1253	$self->in_memory (cf::MAP_LOADING);	1413	$self->in_memory (cf::MAP_LOADING);
1254		1414
1255	$self->alloc;	1415	$self->alloc;
		1416
		1417	$self->pre_load;
		1418
1256	$self->load_objects ($self->{load_path}, 1)	1419	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1420	or return;
1258		1421
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1423	if delete $self->{load_original};
1261		1424
1262	if (my $uniq = $path->uniq_path) {	1425	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1426	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1427	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1428	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1429	$self->_load_objects ($uniq, 0);
1267	}	1430	}
1268	}	1431	}
		1432
		1433	Coro::cede;
1269		1434
1270	# now do the right thing for maps	1435	# now do the right thing for maps
1271	$self->link_multipart_objects;	1436	$self->link_multipart_objects;
1272		1437
1273	if ($self->{path}->is_style_map) {	1438	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1439	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1440	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1441	$self->update_buttons;
		1442	Coro::cede;
1280	$self->set_darkness_map;	1443	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1444	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1445	unless $self->difficulty;
		1446	Coro::cede;
1283	$self->activate;	1447	$self->activate;
1284	}	1448	}
1285		1449
		1450	$self->post_load;
		1451
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1452	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1453	}
1288		1454
1289	sub load_map_sync {	1455	sub customise_for {
		1456	my ($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	$neigh->load;
		1485	}
		1486	}
		1487
		1488	sub find_sync {
1290	my ($path, $origin) = @_;	1489	my ($path, $origin) = @_;
1291		1490
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1491	cf::sync_job { find $path, $origin }
		1492	}
1293		1493
1294	cf::sync_job {	1494	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1495	my ($map) = @_;
1296	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;
1297	$map->load;	1518	$map->load;
1298	$map	1519
		1520	delete $MAP_PREFETCH{$path};
		1521	}
		1522	}
		1523	undef $MAP_PREFETCHER;
1299	}	1524	};
		1525	$MAP_PREFETCHER->prio (6);
		1526
		1527	()
1300	}	1528	}
1301		1529
1302	sub save {	1530	sub save {
1303	my ($self) = @_;	1531	my ($self) = @_;
1304		1532
		1533	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1534
1305	$self->{last_save} = $cf::RUNTIME;	1535	$self->{last_save} = $cf::RUNTIME;
1306		1536
1307	return unless $self->dirty;	1537	return unless $self->dirty;
1308		1538
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1539	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1540	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1541
1312	$self->{load_path} = $save;	1542	$self->{load_path} = $save;
1313		1543
1314	return if $self->{deny_save};	1544	return if $self->{deny_save};
1315		1545
		1546	local $self->{last_access} = $self->last_access;#d#
		1547
		1548	cf::async {
		1549	$_->contr->save for $self->players;
		1550	};
		1551
1316	if ($uniq) {	1552	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1555	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1557	}
1322	}	1558	}
1323		1559
1324	sub swap_out {	1560	sub swap_out {
1325	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;
1326		1567
1327	return if $self->players;	1568	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;	1569	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};	1570	return if $self->{deny_save};
1330		1571
1331	$self->save;
1332	$self->clear;	1572	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);	1573	$self->in_memory (cf::MAP_SWAPPED);
1334	}	1574	}
1335		1575
1336	sub reset_at {	1576	sub reset_at {
1337	my ($self) = @_;	1577	my ($self) = @_;
1338		1578
1339	# TODO: safety, remove and allow resettable per-player maps	1579	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1581	return 1e99 if $self->{deny_reset};
1342		1582
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1585
…		…
1350	my ($self) = @_;	1590	my ($self) = @_;
1351		1591
1352	$self->reset_at <= $cf::RUNTIME	1592	$self->reset_at <= $cf::RUNTIME
1353	}	1593	}
1354		1594
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1595	sub reset {
1377	my ($self) = @_;	1596	my ($self) = @_;
1378		1597
		1598	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1599
1379	return if $self->players;	1600	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1601	return if $self->isa ("ext::map_per_player");#d#
1381		1602
1382	warn "resetting map ", $self->path;#d#	1603	warn "resetting map ", $self->path;#d#
1383		1604
1384	delete $cf::MAP{$self->path};	1605	delete $cf::MAP{$self->path};
		1606
		1607	$self->in_memory (cf::MAP_SWAPPED);
		1608	$self->clear;
1385		1609
1386	$_->clear_links_to ($self) for values %cf::MAP;	1610	$_->clear_links_to ($self) for values %cf::MAP;
1387		1611
1388	$self->unlink_save;	1612	$self->unlink_save;
1389	$self->destroy;	1613	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1616	my $nuke_counter = "aaaa";
1393		1617
1394	sub nuke {	1618	sub nuke {
1395	my ($self) = @_;	1619	my ($self) = @_;
1396		1620
		1621	delete $cf::MAP{$self->path};
		1622
		1623	$self->unlink_save;
		1624
		1625	bless $self, "cf::map";
		1626	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1627	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1628	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1630
		1631	$cf::MAP{$self->path} = $self;
		1632
1400	$self->reset; # polite request, might not happen	1633	$self->reset; # polite request, might not happen
1401	}	1634	}
1402		1635
1403	sub customise_for {	1636	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1637
1406	if ($map->per_player) {	1638	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1639	instantiated unique items. May block.
1408	}
1409		1640
1410	$map	1641	=cut
1411	}
1412		1642
1413	sub emergency_save {	1643	sub unique_maps() {
1414	local $cf::FREEZE = 1;	1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1645	or return;
1415		1646
1416	warn "enter emergency map save\n";	1647	my @paths;
1417		1648
1418	cf::sync_job {	1649	for (@$files) {
1419	warn "begin emergency map save\n";	1650	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1651	next if /\.pst$/;
		1652	next unless /^$PATH_SEP/o;
		1653
		1654	push @paths, cf::map::normalise $_;
1421	};	1655	}
1422		1656
1423	warn "end emergency map save\n";	1657	\@paths
1424	}	1658	}
1425		1659
1426	package cf;	1660	package cf;
1427		1661
1428	=back	1662	=back
1429		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
1430		1690
1431	=head3 cf::object::player	1691	=head3 cf::object::player
1432		1692
1433	=over 4	1693	=over 4
1434		1694
…		…
1474		1734
1475	=item $player_object->enter_link	1735	=item $player_object->enter_link
1476		1736
1477	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}>).
1478		1738
1479	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
1480	I<MUST> call C<leave_link> as soon as possible, though.	1740	I<MUST> call C<leave_link> as soon as possible, though.
1481		1741
		1742	Will never block.
		1743
1482	=item $player_object->leave_link ($map, $x, $y)	1744	=item $player_object->leave_link ($map, $x, $y)
1483		1745
1484	Moves the player out of the specila link map onto the given map. If the	1746	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1747	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1748	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1749	fails, to the emergency map position.
1488		1750
1489	Might block.	1751	Might block.
1490		1752
1491	=cut	1753	=cut
		1754
		1755	sub link_map {
		1756	unless ($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	$LINK_MAP
		1763	}
1492		1764
1493	sub cf::object::player::enter_link {	1765	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1766	my ($self) = @_;
1495		1767
1496	$self->deactivate_recursive;	1768	$self->deactivate_recursive;
1497		1769
1498	return if $self->map == $LINK_MAP;	1770	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1771
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1773	if $self->map;
1502		1774
1503	$self->enter_map ($LINK_MAP, 20, 20);	1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	1776	}
1505		1777
1506	sub cf::object::player::leave_link {	1778	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1779	my ($self, $map, $x, $y) = @_;
1508		1780
1509	my $link_pos = delete $self->{_link_pos};	1781	my $link_pos = delete $self->{_link_pos};
1510		1782
1511	unless ($map) {	1783	unless ($map) {
1512	# restore original map position	1784	# restore original map position
1513	($map, $x, $y) = @{ $link_pos || [] };	1785	($map, $x, $y) = @{ $link_pos || [] };
1514	$map = cf::map::find_map $map;	1786	$map = cf::map::find $map;
1515		1787
1516	unless ($map) {	1788	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	1789	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	1790	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	1791	or die "FATAL: cannot load emergency map\n";
1520	}	1792	}
1521	}	1793	}
1522		1794
1523	($x, $y) = (-1, -1)	1795	($x, $y) = (-1, -1)
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1798	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1799	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1800	if $x <=0 && $y <= 0;
1529		1801
1530	$map->load;	1802	$map->load;
		1803	$map->load_diag;
1531		1804
		1805	return unless $self->contr->active;
1532	$self->activate_recursive;	1806	$self->activate_recursive;
1533	$self->enter_map ($map, $x, $y);	1807	$self->enter_map ($map, $x, $y);
1534	}	1808	}
1535		1809
1536	cf::player->attach (	1810	cf::player->attach (
…		…
1549		1823
1550	# try to abort aborted map switching on player login :)	1824	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1825	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1826	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1827	$pl->ob->enter_link;
1554	cf::async {	1828	(async {
1555	# 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
1556	# 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);
1557	Coro::Timer::sleep 1;	1835	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1836	$pl->ob->leave_link;
1559	};	1837	})->prio (2);
1560	}	1838	}
1561	},	1839	},
1562	);	1840	);
1563		1841
1564	=item $player_object->goto_map ($path, $x, $y)	1842	=item $player_object->goto ($path, $x, $y)
1565		1843
1566	=cut	1844	=cut
1567		1845
1568	sub cf::object::player::goto_map {	1846	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1847	my ($self, $path, $x, $y) = @_;
1570		1848
1571	$self->enter_link;	1849	$self->enter_link;
1572		1850
1573	(cf::async {	1851	(async {
1574	$path = new cf::path $path;	1852	my $map = eval {
1575
1576	my $map = cf::map::find_map $path->as_string;	1853	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1854	$map = $map->customise_for ($self) if $map;
1578		1855	$map
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1856	} or
1580	# if $map;
1581
1582	$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);
1583		1858
1584	$self->leave_link ($map, $x, $y);	1859	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1860	})->prio (1);
1586	}	1861	}
1587		1862
…		…
1591		1866
1592	sub parse_random_map_params {	1867	sub parse_random_map_params {
1593	my ($spec) = @_;	1868	my ($spec) = @_;
1594		1869
1595	my $rmp = { # defaults	1870	my $rmp = { # defaults
1596	xsize => 10,	1871	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1872	ysize => (cf::rndm 15, 40),
		1873	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1874	#layout => string,
1598	};	1875	};
1599		1876
1600	for (split /\n/, $spec) {	1877	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1878	my ($k, $v) = split /\s+/, $_, 2;
1602		1879
…		…
1606	$rmp	1883	$rmp
1607	}	1884	}
1608		1885
1609	sub prepare_random_map {	1886	sub prepare_random_map {
1610	my ($exit) = @_;	1887	my ($exit) = @_;
		1888
		1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1890
1612	# all this does is basically replace the /! path by	1891	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1892	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1893	# that depends on the exit object
1615		1894
1616	my $rmp = parse_random_map_params $exit->msg;	1895	my $rmp = parse_random_map_params $exit->msg;
1617		1896
1618	if ($exit->map) {	1897	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	1898	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	1899	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	1900	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	1901	$rmp->{origin_y} = $exit->y;
1623	}	1902	}
1624		1903
1625	$rmp->{random_seed} ||= $exit->random_seed;	1904	$rmp->{random_seed} ||= $exit->random_seed;
1626		1905
1627	my $data = cf::to_json $rmp;	1906	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1907	my $md5 = Digest::MD5::md5_hex $data;
		1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1909
1630	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) {
1631	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;
1632		1914
1633	$exit->slaying ("?random/$md5");	1915	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1916	$exit->msg (undef);
1635	}	1917	}
1636	}	1918	}
…		…
1638	sub cf::object::player::enter_exit {	1920	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	1921	my ($self, $exit) = @_;
1640		1922
1641	return unless $self->type == cf::PLAYER;	1923	return unless $self->type == cf::PLAYER;
1642		1924
		1925	if ($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
1643	$self->enter_link;	1934	$self->enter_link;
1644		1935
1645	(cf::async {	1936	(async {
		1937	$self->deactivate_recursive; # just to be sure
1646	unless (eval {	1938	unless (eval {
1647	prepare_random_map $exit	1939	$self->goto ($slaying, $hp, $sp);
1648	if $exit->slaying eq "/!";
1649
1650	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1652		1940
1653	1;	1941	1;
1654	}) {	1942	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	1943	$self->message ("Something went wrong deep within the crossfire server. "
1656	. "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. "
1657	. "Please report this to the dungeon master",	1945	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE | cf::NDI_RED);	1946	cf::NDI_UNIQUE | cf::NDI_RED);
1659		1947
1660	warn "ERROR in enter_exit: $@";	1948	warn "ERROR in enter_exit: $@";
1661	$self->leave_link;	1949	$self->leave_link;
1662	}	1950	}
…		…
1717	# get handled first	2005	# get handled first
1718	my $queue = delete $ns->{query_queue}	2006	my $queue = delete $ns->{query_queue}
1719	or return; # be conservative, not sure how that can happen, but we saw a crash here	2007	or return; # be conservative, not sure how that can happen, but we saw a crash here
1720		2008
1721	(shift @$queue)->[1]->($msg);	2009	(shift @$queue)->[1]->($msg);
		2010	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1722		2011
1723	push @{ $ns->{query_queue} }, @$queue;	2012	push @{ $ns->{query_queue} }, @$queue;
1724		2013
1725	if (@{ $ns->{query_queue} } == @$queue) {	2014	if (@{ $ns->{query_queue} } == @$queue) {
1726	if (@$queue) {	2015	if (@$queue) {
…		…
1730	}	2019	}
1731	}	2020	}
1732	},	2021	},
1733	);	2022	);
1734		2023
1735	=item $client->coro (\&cb)	2024	=item $client->async (\&cb)
1736		2025
1737	Create a new coroutine, running the specified callback. The coroutine will	2026	Create a new coroutine, running the specified callback. The coroutine will
1738	be automatically cancelled when the client gets destroyed (e.g. on logout,	2027	be automatically cancelled when the client gets destroyed (e.g. on logout,
1739	or loss of connection).	2028	or loss of connection).
1740		2029
1741	=cut	2030	=cut
1742		2031
1743	sub cf::client::coro {	2032	sub cf::client::async {
1744	my ($self, $cb) = @_;	2033	my ($self, $cb) = @_;
1745		2034
1746	my $coro = &cf::async ($cb);	2035	my $coro = &Coro::async ($cb);
1747		2036
1748	$coro->on_destroy (sub {	2037	$coro->on_destroy (sub {
1749	delete $self->{_coro}{$coro+0};	2038	delete $self->{_coro}{$coro+0};
1750	});	2039	});
1751		2040
…		…
1945	sub db_sync() {	2234	sub db_sync() {
1946	db_save if $dirty;	2235	db_save if $dirty;
1947	undef $dirty;	2236	undef $dirty;
1948	}	2237	}
1949		2238
1950	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2239	my $idle = Event->idle (
1951	db_sync;	2240	reentrant => 0,
		2241	min => 10,
		2242	max => 20,
		2243	repeat => 0,
		2244	data => WF_AUTOCANCEL,
		2245	cb => \&db_sync,
1952	});	2246	);
1953		2247
1954	sub db_dirty() {	2248	sub db_dirty() {
1955	$dirty = 1;	2249	$dirty = 1;
1956	$idle->start;	2250	$idle->start;
1957	}	2251	}
…		…
1978	},	2272	},
1979	);	2273	);
1980	}	2274	}
1981		2275
1982	#############################################################################	2276	#############################################################################
1983	# 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	}
1984		2283
1985	sub cfg_load {	2284	sub cfg_load {
1986	open my $fh, "<:utf8", cf::confdir . "/config"	2285	open my $fh, "<:utf8", cf::confdir . "/config"
1987	or return;	2286	or return;
1988		2287
1989	local $/;	2288	local $/;
1990	*CFG = YAML::Syck::Load <$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;
1991	}	2307	}
1992		2308
1993	sub main {	2309	sub main {
1994	# we must not ever block the main coroutine	2310	# we must not ever block the main coroutine
1995	local $Coro::idle = sub {	2311	local $Coro::idle = sub {
1996	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#
1997	(Coro::unblock_sub {	2313	(async {
1998	Event::one_event;	2314	Event::one_event;
1999	})->();	2315	})->prio (Coro::PRIO_MAX);
2000	};	2316	};
2001		2317
2002	cfg_load;	2318	cfg_load;
2003	db_load;	2319	db_load;
2004	load_extensions;	2320	load_extensions;
		2321
		2322	$TICK_WATCHER->start;
2005	Event::loop;	2323	Event::loop;
2006	}	2324	}
2007		2325
2008	#############################################################################	2326	#############################################################################
2009	# 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	$map->save;
		2366	}
		2367	warn "end emergency map save\n";
		2368	};
		2369
		2370	warn "leave emergency perl save\n";
		2371	}
2010		2372
2011	sub reload() {	2373	sub reload() {
2012	# can/must only be called in main	2374	# can/must only be called in main
2013	if ($Coro::current != $Coro::main) {	2375	if ($Coro::current != $Coro::main) {
2014	warn "can only reload from main coroutine\n";	2376	warn "can only reload from main coroutine";
2015	return;	2377	return;
2016	}	2378	}
2017		2379
2018	warn "reloading...";	2380	warn "reloading...";
2019		2381
2020	local $FREEZE = 1;	2382	warn "cancelling server ticker";
		2383	$TICK_WATCHER->cancel;
		2384
2021	cf::emergency_save;	2385	cf::emergency_save;
2022		2386
2023	eval {	2387	eval {
2024	# 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
2025		2389
2026	# cancel all watchers	2390	warn "syncing database to disk";
		2391	cf::db_sync;
		2392
		2393	warn "cancelling all WF_AUTOCANCEL watchers";
2027	for (Event::all_watchers) {	2394	for (Event::all_watchers) {
2028	$_->cancel if $_->data & WF_AUTOCANCEL;	2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2029	}	2396	}
2030		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
2031	# cancel all extension coros	2406	warn "cancelling all extension coros";
2032	$_->cancel for values %EXT_CORO;	2407	$_->cancel for values %EXT_CORO;
2033	%EXT_CORO = ();	2408	%EXT_CORO = ();
2034		2409
2035	# unload all extensions	2410	warn "removing commands";
2036	for (@exts) {	2411	%COMMAND = ();
		2412
		2413	warn "removing ext commands";
		2414	%EXTCMD = ();
		2415
		2416	warn "unloading/nuking all extensions";
		2417	for my $pkg (@EXTS) {
2037	warn "unloading <$_>";	2418	warn "... unloading $pkg";
2038	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: $@";
2039	}	2425	}
2040		2426
		2427	warn "... nuking $pkg";
		2428	Symbol::delete_package $pkg;
		2429	}
		2430
2041	# unload all modules loaded from $LIBDIR	2431	warn "unloading all perl modules loaded from $LIBDIR";
2042	while (my ($k, $v) = each %INC) {	2432	while (my ($k, $v) = each %INC) {
2043	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2044		2434
2045	warn "removing <$k>";	2435	warn "... unloading $k";
2046	delete $INC{$k};	2436	delete $INC{$k};
2047		2437
2048	$k =~ s/\.pm$//;	2438	$k =~ s/\.pm$//;
2049	$k =~ s/\//::/g;	2439	$k =~ s/\//::/g;
2050		2440
…		…
2053	}	2443	}
2054		2444
2055	Symbol::delete_package $k;	2445	Symbol::delete_package $k;
2056	}	2446	}
2057		2447
2058	# sync database to disk
2059	cf::db_sync;
2060	IO::AIO::flush;
2061
2062	# get rid of safe::, as good as possible	2448	warn "getting rid of safe::, as good as possible";
2063	Symbol::delete_package "safe::$_"	2449	Symbol::delete_package "safe::$_"
2064	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);
2065		2451
2066	# remove register_script_function callbacks
2067	# TODO
2068
2069	# unload cf.pm "a bit"	2452	warn "unloading cf.pm \"a bit\"";
2070	delete $INC{"cf.pm"};	2453	delete $INC{"cf.pm"};
2071		2454
2072	# don't, removes xs symbols, too,	2455	# don't, removes xs symbols, too,
2073	# and global variables created in xs	2456	# and global variables created in xs
2074	#Symbol::delete_package __PACKAGE__;	2457	#Symbol::delete_package __PACKAGE__;
2075		2458
2076	# reload cf.pm	2459	warn "unload completed, starting to reload now";
		2460
2077	warn "reloading cf.pm";	2461	warn "reloading cf.pm";
2078	require cf;	2462	require cf;
2079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2080		2464
2081	# load config and database again	2465	warn "loading config and database again";
2082	cf::cfg_load;	2466	cf::cfg_load;
2083	cf::db_load;	2467	cf::db_load;
2084		2468
2085	# load extensions
2086	warn "load extensions";	2469	warn "loading extensions";
2087	cf::load_extensions;	2470	cf::load_extensions;
2088		2471
2089	# reattach attachments to objects	2472	warn "reattaching attachments to objects/players";
2090	warn "reattach";
2091	_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	$TICK_WATCHER->start;
2092	};	2483	};
2093		2484
2094	if ($@) {	2485	if ($@) {
2095	warn $@;	2486	warn $@;
2096	warn "error while reloading, exiting.";	2487	warn "error while reloading, exiting.";
2097	exit 1;	2488	exit 1;
2098	}	2489	}
2099		2490
2100	warn "reloaded successfully";	2491	warn "reloaded";
2101	};	2492	};
2102		2493
2103	#############################################################################	2494	our $RELOAD_WATCHER; # used only during reload
2104
2105	unless ($LINK_MAP) {
2106	$LINK_MAP = cf::map::new;
2107
2108	$LINK_MAP->width (41);
2109	$LINK_MAP->height (41);
2110	$LINK_MAP->alloc;
2111	$LINK_MAP->path ("{link}");
2112	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2113	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2114
2115	# dirty hack because... archetypes are not yet loaded
2116	Event->timer (
2117	after => 2,
2118	cb => sub {
2119	$_[0]->w->cancel;
2120
2121	# provide some exits "home"
2122	my $exit = cf::object::new "exit";
2123
2124	$exit->slaying ($EMERGENCY_POSITION->[0]);
2125	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2126	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2127
2128	$LINK_MAP->insert ($exit->clone, 19, 19);
2129	$LINK_MAP->insert ($exit->clone, 19, 20);
2130	$LINK_MAP->insert ($exit->clone, 19, 21);
2131	$LINK_MAP->insert ($exit->clone, 20, 19);
2132	$LINK_MAP->insert ($exit->clone, 20, 21);
2133	$LINK_MAP->insert ($exit->clone, 21, 19);
2134	$LINK_MAP->insert ($exit->clone, 21, 20);
2135	$LINK_MAP->insert ($exit->clone, 21, 21);
2136
2137	$exit->destroy;
2138	});
2139
2140	$LINK_MAP->{deny_save} = 1;
2141	$LINK_MAP->{deny_reset} = 1;
2142
2143	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2144	}
2145
2146	register "<global>", __PACKAGE__;
2147		2495
2148	register_command "reload" => sub {	2496	register_command "reload" => sub {
2149	my ($who, $arg) = @_;	2497	my ($who, $arg) = @_;
2150		2498
2151	if ($who->flag (FLAG_WIZ)) {	2499	if ($who->flag (FLAG_WIZ)) {
2152	$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 {
2153	reload;	2510	reload;
2154	$who->message ("end of reload.");	2511	undef $RELOAD_WATCHER;
		2512	},
		2513	);
2155	}	2514	}
2156	};	2515	};
2157		2516
2158	unshift @INC, $LIBDIR;	2517	unshift @INC, $LIBDIR;
		2518
		2519	my $bug_warning = 0;
2159		2520
2160	$TICK_WATCHER = Event->timer (	2521	$TICK_WATCHER = Event->timer (
2161	reentrant => 0,	2522	reentrant => 0,
		2523	parked => 1,
2162	prio => 0,	2524	prio => 0,
2163	at => $NEXT_TICK || $TICK,	2525	at => $NEXT_TICK || $TICK,
2164	data => WF_AUTOCANCEL,	2526	data => WF_AUTOCANCEL,
2165	cb => sub {	2527	cb => sub {
2166	unless ($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
2167	cf::server_tick; # one server iteration	2536	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2537	$RUNTIME += $TICK;
2169	}
2170
2171	$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#
2172		2548
2173	# 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
2174	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2175		2551
2176	$TICK_WATCHER->at ($NEXT_TICK);	2552	$TICK_WATCHER->at ($NEXT_TICK);
2177	$TICK_WATCHER->start;	2553	$TICK_WATCHER->start;
2178	},	2554	},
2179	);	2555	);
2180		2556
2181	IO::AIO::max_poll_time $TICK * 0.2;	2557	IO::AIO::max_poll_time $TICK * 0.1;
2182		2558
2183	Event->io (	2559	undef $Coro::AIO::WATCHER;
		2560	$AIO_POLL_WATCHER = Event->io (
		2561	reentrant => 0,
2184	fd => IO::AIO::poll_fileno,	2562	fd => IO::AIO::poll_fileno,
2185	poll => 'r',	2563	poll => 'r',
2186	prio => 5,	2564	prio => 6,
2187	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2188	cb => \&IO::AIO::poll_cb,	2566	cb => \&IO::AIO::poll_cb,
2189	);	2567	);
2190		2568
2191	Event->timer (	2569	$WRITE_RUNTIME_WATCHER = Event->timer (
		2570	reentrant => 0,
2192	data => WF_AUTOCANCEL,	2571	data => WF_AUTOCANCEL,
2193	after => 0,	2572	after => 1,
2194	interval => 10,	2573	interval => 10,
2195	cb => sub {	2574	prio => 6, # keep it lowest so it acts like a watchdog
2196	(Coro::unblock_sub {	2575	cb => Coro::unblock_sub {
2197	write_runtime	2576	write_runtime
2198	or warn "ERROR: unable to write runtime file: $!";	2577	or warn "ERROR: unable to write runtime file: $!";
2199	})->();
2200	},	2578	},
2201	);	2579	);
2202		2580
2203	END { cf::emergency_save }	2581	END { cf::emergency_save }
2204		2582

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