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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.121 by root, Tue Jan 2 11:11:52 2007 UTC vs.
Revision 1.206 by root, Sun Feb 11 22:27:05 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 BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
25		27
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	28	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		29
		30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		31
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	33	$YAML::Syck::ImplicitUnicode = 1;
30		34
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	35	$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		36
35	our %COMMAND = ();	37	our %COMMAND = ();
36	our %COMMAND_TIME = ();	38	our %COMMAND_TIME = ();
		39
		40	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	41	our %EXTCMD = ();
		42	our %EXT_CORO = (); # coroutines bound to extensions
		43	our %EXT_MAP = (); # pluggable maps
38		44
39	our @EVENT;	45	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	46	our $LIBDIR = datadir . "/ext";
41		47
42	our $TICK = MAX_TIME * 1e-6;	48	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	49	our $TICK_WATCHER;
		50	our $AIO_POLL_WATCHER;
		51	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	52	our $NEXT_TICK;
45	our $NOW;	53	our $NOW;
		54	our $USE_FSYNC = 1; # use fsync to write maps - default off
		55
		56	our $BDB_POLL_WATCHER;
		57	our $DB_ENV;
46		58
47	our %CFG;	59	our %CFG;
48		60
49	our $UPTIME; $UPTIME ||= time;	61	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	62	our $RUNTIME;
51		63
		64	our %PLAYER; # all users
52	our %MAP; # all maps	65	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	66	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	67	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	68	our $BDB_ENV_DIR = cf::localdir . "/db";
		69
		70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		72
		73	# used to convert map paths into valid unix filenames by replacing / by ∕
		74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		75
58	binmode STDOUT;	76	binmode STDOUT;
59	binmode STDERR;	77	binmode STDERR;
60		78
61	# read virtual server time, if available	79	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	86	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	87	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	88	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	89	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	90	mkdir $RANDOM_MAPS;
		91	mkdir $BDB_ENV_DIR;
73		92
74	# a special map that is always available	93	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		94
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	95	sub cf::map::normalise;
78		96
79	#############################################################################	97	#############################################################################
80		98
81	=head2 GLOBAL VARIABLES	99	=head2 GLOBAL VARIABLES
82		100
…		…
106		124
107	=item %cf::CFG	125	=item %cf::CFG
108		126
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	127	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	128	from wherever your confdir points to.
		129
		130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		131
		132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		134	processing has been done. Call C<< ->wait >> on them to maximise the
		135	window of cpu time available, or simply to synchronise to the server tick.
111		136
112	=back	137	=back
113		138
114	=cut	139	=cut
115		140
…		…
119	utf8::encode $msg;	144	utf8::encode $msg;
120		145
121	$msg .= "\n"	146	$msg .= "\n"
122	unless $msg =~ /\n$/;	147	unless $msg =~ /\n$/;
123		148
124	LOG llevError, "cfperl: $msg";	149	LOG llevError, $msg;
125	};	150	};
126	}	151	}
127		152
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		172
148	$Event::DIED = sub {	173	$Event::DIED = sub {
149	warn "error in event callback: @_";	174	warn "error in event callback: @_";
150	};	175	};
151		176
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	177	=head2 UTILITY FUNCTIONS
157		178
158	=over 4	179	=over 4
159		180
		181	=item dumpval $ref
		182
160	=cut	183	=cut
		184
		185	sub dumpval {
		186	eval {
		187	local $SIG{__DIE__};
		188	my $d;
		189	if (1) {
		190	$d = new Data::Dumper([$_[0]], ["*var"]);
		191	$d->Terse(1);
		192	$d->Indent(2);
		193	$d->Quotekeys(0);
		194	$d->Useqq(1);
		195	#$d->Bless(...);
		196	$d->Seen($_[1]) if @_ > 1;
		197	$d = $d->Dump();
		198	}
		199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		200	$d
		201	} || "[unable to dump $_[0]: '$@']";
		202	}
161		203
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	204	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		205
164	=item $ref = cf::from_json $json	206	=item $ref = cf::from_json $json
165		207
…		…
181	sub to_json($) {	223	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	225	JSON::Syck::Dump $_[0]
184	}	226	}
185		227
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	228	=item cf::lock_wait $string
209		229
210	Wait until the given lock is available. See cf::lock_acquire.	230	Wait until the given lock is available. See cf::lock_acquire.
211		231
212	=item my $lock = cf::lock_acquire $string	232	=item my $lock = cf::lock_acquire $string
213		233
214	Wait until the given lock is available and then acquires it and returns	234	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,	235	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	236	for example when the coroutine gets canceled), the lock is automatically
217	returned.	237	returned.
218		238
219	Lock names should begin with a unique identifier (for example, find_map	239	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	240	uses map_find and cf::map::load uses map_load).
221		241
222	=cut	242	=cut
223		243
224	our %LOCK;	244	our %LOCK;
225		245
…		…
239	# wait, to be sure we are not locked	259	# wait, to be sure we are not locked
240	lock_wait $key;	260	lock_wait $key;
241		261
242	$LOCK{$key} = [];	262	$LOCK{$key} = [];
243		263
244	cf::guard {	264	Coro::guard {
245	# wake up all waiters, to be on the safe side	265	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	266	$_->ready for @{ delete $LOCK{$key} };
247	}	267	}
248	}	268	}
		269
		270	sub freeze_mainloop {
		271	return unless $TICK_WATCHER->is_active;
		272
		273	my $guard = Coro::guard {
		274	$TICK_WATCHER->start;
		275	$WRITE_RUNTIME_WATCHER->start;
		276	};
		277	$WRITE_RUNTIME_WATCHER->stop;
		278	$TICK_WATCHER->stop;
		279	$guard
		280	}
		281
		282	=item cf::async { BLOCK }
		283
		284	Currently the same as Coro::async_pool, meaning you cannot use
		285	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		286	thing you are allowed to do is call C<prio> on it.
		287
		288	=cut
		289
		290	BEGIN { *async = \&Coro::async_pool }
249		291
250	=item cf::sync_job { BLOCK }	292	=item cf::sync_job { BLOCK }
251		293
252	The design of crossfire+ requires that the main coro ($Coro::main) is	294	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	295	always able to handle events or runnable, as crossfire+ is only partly
…		…
267	# this is the main coro, too bad, we have to block	309	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	310	# till the operation succeeds, freezing the server :/
269		311
270	# TODO: use suspend/resume instead	312	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	313	# (but this is cancel-safe)
272	local $FREEZE = 1;	314	my $freeze_guard = freeze_mainloop;
273		315
274	my $busy = 1;	316	my $busy = 1;
275	my @res;	317	my @res;
276		318
277	(Coro::async {	319	(async {
278	@res = eval { $job->() };	320	@res = eval { $job->() };
279	warn $@ if $@;	321	warn $@ if $@;
280	undef $busy;	322	undef $busy;
281	})->prio (Coro::PRIO_MAX);	323	})->prio (Coro::PRIO_MAX);
282		324
283	while ($busy) {	325	while ($busy) {
284	Coro::cede_notself;	326	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	327	}
287		328
288	wantarray ? @res : $res[0]	329	wantarray ? @res : $res[0]
289	} else {	330	} else {
290	# we are in another coroutine, how wonderful, everything just works	331	# we are in another coroutine, how wonderful, everything just works
291		332
292	$job->()	333	$job->()
293	}	334	}
294	}	335	}
295		336
296	=item $coro = cf::coro { BLOCK }	337	=item $coro = cf::async_ext { BLOCK }
297		338
298	Creates and returns a new coro. This coro is automcatially being canceled	339	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	340	extension calling this is being unloaded.
300		341
301	=cut	342	=cut
302		343
303	sub coro(&) {	344	sub async_ext(&) {
304	my $cb = shift;	345	my $cb = shift;
305		346
306	my $coro; $coro = async {	347	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		348
313	$coro->on_destroy (sub {	349	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	350	delete $EXT_CORO{$coro+0};
315	});	351	});
316	$EXT_CORO{$coro+0} = $coro;	352	$EXT_CORO{$coro+0} = $coro;
…		…
322	my $runtime = cf::localdir . "/runtime";	358	my $runtime = cf::localdir . "/runtime";
323		359
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	361	or return;
326		362
		363	my $value = $cf::RUNTIME + 90 + 10;
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	364	# 10 is the runtime save interval, for a monotonic clock
		365	# 60 allows for the watchdog to kill the server.
		366
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	368	and return;
330		369
		370	# always fsync - this file is important
331	aio_fsync $fh	371	aio_fsync $fh
332	and return;	372	and return;
333		373
334	close $fh	374	close $fh
335	or return;	375	or return;
…		…
341	}	381	}
342		382
343	=back	383	=back
344		384
345	=cut	385	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($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		386
467	#############################################################################	387	#############################################################################
468		388
469	=head2 ATTACHABLE OBJECTS	389	=head2 ATTACHABLE OBJECTS
470		390
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	516	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	517	our @CB_MAP = ();
598		518
599	my %attachment;	519	my %attachment;
600		520
		521	sub cf::attachable::thawer_merge {
		522	# simply override everything except _meta
		523	local $_[0]{_meta};
		524	%{$_[0]} = %{$_[1]};
		525	}
		526
601	sub _attach_cb($$$$) {	527	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	528	my ($registry, $event, $prio, $cb) = @_;
603		529
604	use sort 'stable';	530	use sort 'stable';
605		531
…		…
776	# object support	702	# object support
777		703
778	sub reattach {	704	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	705	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	706	my ($obj) = @_;
		707
		708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		709
782	my $registry = $obj->registry;	710	my $registry = $obj->registry;
783		711
784	@$registry = ();	712	@$registry = ();
785		713
…		…
832	$filename, length $$rdata, scalar @$objs;	760	$filename, length $$rdata, scalar @$objs;
833		761
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	763	chmod SAVE_MODE, $fh;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
837	aio_fsync $fh;	765	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	766	close $fh;
839		767
840	if (@$objs) {	768	if (@$objs) {
841	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
842	chmod SAVE_MODE, $fh;	770	chmod SAVE_MODE, $fh;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	771	my $data = Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	772	aio_write $fh, 0, (length $data), $data, 0;
845	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
846	close $fh;	774	close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	775	aio_rename "$filename.pst~", "$filename.pst";
848	}	776	}
849	} else {	777	} else {
850	aio_unlink "$filename.pst";	778	aio_unlink "$filename.pst";
…		…
856	}	784	}
857	} else {	785	} else {
858	aio_unlink $filename;	786	aio_unlink $filename;
859	aio_unlink "$filename.pst";	787	aio_unlink "$filename.pst";
860	}	788	}
		789
		790	#d##TODO# nuke non .map-files if exist
		791	if ($filename =~ s/\.map$//) {
		792	aio_unlink $filename;
		793	aio_unlink "$filename.pst";
		794	}
861	}	795	}
862	}	796	}
863		797
864	sub object_freezer_as_string {	798	sub object_freezer_as_string {
865	my ($rdata, $objs) = @_;	799	my ($rdata, $objs) = @_;
…		…
871		805
872	sub object_thawer_load {	806	sub object_thawer_load {
873	my ($filename) = @_;	807	my ($filename) = @_;
874		808
875	my ($data, $av);	809	my ($data, $av);
		810
		811	#d#TODO remove .map if file does not exist
		812	aio_stat $filename and $filename =~ s/\.map$//;
876		813
877	(aio_load $filename, $data) >= 0	814	(aio_load $filename, $data) >= 0
878	or return;	815	or return;
879		816
880	unless (aio_stat "$filename.pst") {	817	unless (aio_stat "$filename.pst") {
…		…
917	=cut	854	=cut
918		855
919	sub register_extcmd {	856	sub register_extcmd {
920	my ($name, $cb) = @_;	857	my ($name, $cb) = @_;
921		858
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	859	$EXTCMD{$name} = $cb;
926	}	860	}
927		861
928	cf::player->attach (	862	cf::player->attach (
929	on_command => sub {	863	on_command => sub {
930	my ($pl, $name, $params) = @_;	864	my ($pl, $name, $params) = @_;
…		…
943		877
944	my $msg = eval { from_json $buf };	878	my $msg = eval { from_json $buf };
945		879
946	if (ref $msg) {	880	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	882	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	883	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	884	}
951	}	885	}
952	} else {	886	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		889
956	cf::override;	890	cf::override;
957	},	891	},
958	);	892	);
959		893
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	894	sub load_extension {
967	my ($path) = @_;	895	my ($path) = @_;
968		896
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	898	my $base = $1;
971	my $pkg = $1;	899	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	900	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	901	$pkg = "ext::$pkg";
974		902
975	warn "loading '$path' into '$pkg'\n";	903	warn "... loading '$path' into '$pkg'\n";
976		904
977	open my $fh, "<:utf8", $path	905	open my $fh, "<:utf8", $path
978	or die "$path: $!";	906	or die "$path: $!";
979		907
980	my $source =	908	my $source =
981	"package $pkg; use strict; use utf8;\n"	909	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	910	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	911	. (do { local $/; <$fh> })
984	. "\n};\n1";	912	. "\n};\n1";
985		913
986	eval $source	914	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	915	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	916	: "extension disabled.\n";
989		917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	918	warn $@;
991	$ext_pkg{$base} = $pkg;	919	warn "mandatory extension failed to load, exiting.\n";
992		920	exit 1;
993	# no strict 'refs';	921	}
994	# @{"$pkg\::ISA"} = ext::;	922	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	# }	923	}
1009		924
1010	# remove commands	925	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	}	926	}
1035		927
1036	sub load_extensions {	928	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	929	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	930	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	934	} or warn "$ext not loaded: $@";
1043	}	935	}
1044	}	936	}
1045		937
1046	#############################################################################	938	#############################################################################
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		939
1084	=head2 CORE EXTENSIONS	940	=head2 CORE EXTENSIONS
1085		941
1086	Functions and methods that extend core crossfire objects.	942	Functions and methods that extend core crossfire objects.
1087		943
		944	=cut
		945
		946	package cf::player;
		947
		948	use Coro::AIO;
		949
1088	=head3 cf::player	950	=head3 cf::player
1089		951
1090	=over 4	952	=over 4
1091		953
1092	=item cf::player::exists $login	954	=item cf::player::find $login
1093		955
1094	Returns true when the given account exists.	956	Returns the given player object, loading it if necessary (might block).
1095		957
1096	=cut	958	=cut
1097		959
1098	sub cf::player::exists($) {	960	sub playerdir($) {
1099	cf::player::find $_[0]	961	cf::localdir
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	962	. "/"
		963	. cf::playerdir
		964	. "/"
		965	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		966	}
		967
		968	sub path($) {
		969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		970
		971	(playerdir $login) . "/$login.pl"
		972	}
		973
		974	sub find_active($) {
		975	$cf::PLAYER{$_[0]}
		976	and $cf::PLAYER{$_[0]}->active
		977	and $cf::PLAYER{$_[0]}
		978	}
		979
		980	sub exists($) {
		981	my ($login) = @_;
		982
		983	$cf::PLAYER{$login}
		984	or cf::sync_job { !aio_stat path $login }
		985	}
		986
		987	sub find($) {
		988	return $cf::PLAYER{$_[0]} || do {
		989	my $login = $_[0];
		990
		991	my $guard = cf::lock_acquire "user_find:$login";
		992
		993	$cf::PLAYER{$_[0]} || do {
		994	my $pl = load_pl path $login
		995	or return;
		996	$cf::PLAYER{$login} = $pl
		997	}
		998	}
		999	}
		1000
		1001	sub save($) {
		1002	my ($pl) = @_;
		1003
		1004	return if $pl->{deny_save};
		1005
		1006	my $path = path $pl;
		1007	my $guard = cf::lock_acquire "user_save:$path";
		1008
		1009	return if $pl->{deny_save};
		1010
		1011	aio_mkdir playerdir $pl, 0770;
		1012	$pl->{last_save} = $cf::RUNTIME;
		1013
		1014	$pl->save_pl ($path);
		1015	Coro::cede;
		1016	}
		1017
		1018	sub new($) {
		1019	my ($login) = @_;
		1020
		1021	my $self = create;
		1022
		1023	$self->ob->name ($login);
		1024	$self->{deny_save} = 1;
		1025
		1026	$cf::PLAYER{$login} = $self;
		1027
		1028	$self
		1029	}
		1030
		1031	=item $pl->quit_character
		1032
		1033	Nukes the player without looking back. If logged in, the connection will
		1034	be destroyed. May block for a long time.
		1035
		1036	=cut
		1037
		1038	sub quit_character {
		1039	my ($pl) = @_;
		1040
		1041	$pl->{deny_save} = 1;
		1042	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1043
		1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1045	$pl->deactivate;
		1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1047	$pl->ns->destroy if $pl->ns;
		1048
		1049	my $path = playerdir $pl;
		1050	my $temp = "$path~$cf::RUNTIME~deleting~";
		1051	aio_rename $path, $temp;
		1052	delete $cf::PLAYER{$pl->ob->name};
		1053	$pl->destroy;
		1054	IO::AIO::aio_rmtree $temp;
		1055	}
		1056
		1057	=item cf::player::list_logins
		1058
		1059	Returns am arrayref of all valid playernames in the system, can take a
		1060	while and may block, so not sync_job-capable, ever.
		1061
		1062	=cut
		1063
		1064	sub list_logins {
		1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1066	or return [];
		1067
		1068	my @logins;
		1069
		1070	for my $login (@$dirs) {
		1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1072	aio_read $fh, 0, 512, my $buf, 0 or next;
		1073	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1074
		1075	utf8::decode $login;
		1076	push @logins, $login;
		1077	}
		1078
		1079	\@logins
		1080	}
		1081
		1082	=item $player->maps
		1083
		1084	Returns an arrayref of map paths that are private for this
		1085	player. May block.
		1086
		1087	=cut
		1088
		1089	sub maps($) {
		1090	my ($pl) = @_;
		1091
		1092	$pl = ref $pl ? $pl->ob->name : $pl;
		1093
		1094	my $files = aio_readdir playerdir $pl
		1095	or return;
		1096
		1097	my @paths;
		1098
		1099	for (@$files) {
		1100	utf8::decode $_;
		1101	next if /\.(?:pl|pst)$/;
		1102	next unless /^$PATH_SEP/o;
		1103
		1104	push @paths, cf::map::normalise "~$pl/$_";
		1105	}
		1106
		1107	\@paths
1101	}	1108	}
1102		1109
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1110	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1111
1105	Sends an ext reply to the player.	1112	Sends an ext reply to the player.
1106		1113
1107	=cut	1114	=cut
1108		1115
1109	sub cf::player::ext_reply($$$%) {	1116	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1117	my ($self, $id, %msg) = @_;
1111		1118
1112	$msg{msgid} = $id;	1119	$msg{msgid} = $id;
1113		1120
1114	$self->send ("ext " . to_json \%msg);	1121	$self->send ("ext " . cf::to_json \%msg);
1115	}	1122	}
		1123
		1124	package cf;
1116		1125
1117	=back	1126	=back
1118		1127
1119		1128
1120	=head3 cf::map	1129	=head3 cf::map
…		…
1126	package cf::map;	1135	package cf::map;
1127		1136
1128	use Fcntl;	1137	use Fcntl;
1129	use Coro::AIO;	1138	use Coro::AIO;
1130		1139
		1140	use overload
		1141	'""' => \&as_string,
		1142	fallback => 1;
		1143
1131	our $MAX_RESET = 7200;	1144	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1145	our $DEFAULT_RESET = 3000;
1133		1146
1134	sub generate_random_map {	1147	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1148	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1149	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1150	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1154	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1155	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1161	(cf::region::find $rmp->{region}), $rmp->{custom}
		1162	)
		1163	}
		1164
		1165	=item cf::map->register ($regex, $prio)
		1166
		1167	Register a handler for the map path matching the given regex at the
		1168	givne priority (higher is better, built-in handlers have priority 0, the
		1169	default).
		1170
		1171	=cut
		1172
		1173	sub register {
		1174	my (undef, $regex, $prio) = @_;
		1175	my $pkg = caller;
		1176
		1177	no strict;
		1178	push @{"$pkg\::ISA"}, __PACKAGE__;
		1179
		1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1181	}
		1182
		1183	# also paths starting with '/'
		1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1185
		1186	sub thawer_merge {
		1187	my ($self, $merge) = @_;
		1188
		1189	# we have to keep some variables in memory intact
		1190	local $self->{path};
		1191	local $self->{load_path};
		1192	local $self->{deny_save};
		1193	local $self->{deny_reset};
		1194
		1195	$self->SUPER::thawer_merge ($merge);
		1196	}
		1197
		1198	sub normalise {
		1199	my ($path, $base) = @_;
		1200
		1201	$path = "$path"; # make sure its a string
		1202
		1203	$path =~ s/\.map$//;
		1204
		1205	# map plan:
		1206	#
		1207	# /! non-realised random map exit (special hack!)
		1208	# {... are special paths that are not being touched
		1209	# ?xxx/... are special absolute paths
		1210	# ?random/... random maps
		1211	# /... normal maps
		1212	# ~user/... per-player map of a specific user
		1213
		1214	$path =~ s/$PATH_SEP/\//go;
		1215
		1216	# treat it as relative path if it starts with
		1217	# something that looks reasonable
		1218	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1219	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1220
		1221	$base =~ s{[^/]+/?$}{};
		1222	$path = "$base/$path";
		1223	}
		1224
		1225	for ($path) {
		1226	redo if s{//}{/};
		1227	redo if s{/\.?/}{/};
		1228	redo if s{/[^/]+/\.\./}{/};
		1229	}
		1230
		1231	$path
		1232	}
		1233
		1234	sub new_from_path {
		1235	my (undef, $path, $base) = @_;
		1236
		1237	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1238
		1239	$path = normalise $path, $base;
		1240
		1241	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1242	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1243	my $self = bless cf::map::new, $pkg;
		1244	$self->{path} = $path; $self->path ($path);
		1245	$self->init; # pass $1 etc.
		1246	return $self;
		1247	}
		1248	}
		1249
		1250	Carp::carp "unable to resolve path '$path' (base '$base').";
		1251	()
		1252	}
		1253
		1254	sub init {
		1255	my ($self) = @_;
		1256
		1257	$self
		1258	}
		1259
		1260	sub as_string {
		1261	my ($self) = @_;
		1262
		1263	"$self->{path}"
		1264	}
		1265
		1266	# the displayed name, this is a one way mapping
		1267	sub visible_name {
		1268	&as_string
		1269	}
		1270
		1271	# the original (read-only) location
		1272	sub load_path {
		1273	my ($self) = @_;
		1274
		1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1276	}
		1277
		1278	# the temporary/swap location
		1279	sub save_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1284	}
		1285
		1286	# the unique path, undef == no special unique path
		1287	sub uniq_path {
		1288	my ($self) = @_;
		1289
		1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1151	}	1292	}
1152		1293
1153	# and all this just because we cannot iterate over	1294	# and all this just because we cannot iterate over
1154	# all maps in C++...	1295	# all maps in C++...
1155	sub change_all_map_light {	1296	sub change_all_map_light {
1156	my ($change) = @_;	1297	my ($change) = @_;
1157		1298
1158	$_->change_map_light ($change) for values %cf::MAP;	1299	$_->change_map_light ($change)
		1300	for grep $_->outdoor, values %cf::MAP;
1159	}	1301	}
1160		1302
		1303	sub unlink_save {
		1304	my ($self) = @_;
		1305
		1306	utf8::encode (my $save = $self->save_path);
		1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1309
		1310	#d#TODO remove .map and also nuke
		1311	$save =~ s/\.map// or return;#d#
		1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1314	}
		1315
1161	sub try_load_header($) {	1316	sub load_header_from($) {
1162	my ($path) = @_;	1317	my ($self, $path) = @_;
1163		1318
1164	utf8::encode $path;	1319	utf8::encode $path;
1165	aio_open $path, O_RDONLY, 0	1320	#aio_open $path, O_RDONLY, 0
		1321	# or return;
		1322
		1323	$self->_load_header ($path)
1166	or return;	1324	or return;
1167		1325
1168	my $map = cf::map::new	1326	$self->{load_path} = $path;
		1327
		1328	1
		1329	}
		1330
		1331	sub load_header_orig {
		1332	my ($self) = @_;
		1333
		1334	$self->load_header_from ($self->load_path)
		1335	}
		1336
		1337	sub load_header_temp {
		1338	my ($self) = @_;
		1339
		1340	$self->load_header_from ($self->save_path)
		1341	}
		1342
		1343	sub prepare_temp {
		1344	my ($self) = @_;
		1345
		1346	$self->last_access ((delete $self->{last_access})
		1347	|| $cf::RUNTIME); #d#
		1348	# safety
		1349	$self->{instantiate_time} = $cf::RUNTIME
		1350	if $self->{instantiate_time} > $cf::RUNTIME;
		1351	}
		1352
		1353	sub prepare_orig {
		1354	my ($self) = @_;
		1355
		1356	$self->{load_original} = 1;
		1357	$self->{instantiate_time} = $cf::RUNTIME;
		1358	$self->last_access ($cf::RUNTIME);
		1359	$self->instantiate;
		1360	}
		1361
		1362	sub load_header {
		1363	my ($self) = @_;
		1364
		1365	if ($self->load_header_temp) {
		1366	$self->prepare_temp;
		1367	} else {
		1368	$self->load_header_orig
1169	or return;	1369	or return;
		1370	$self->prepare_orig;
		1371	}
1170		1372
1171	$map->load_header ($path)	1373	1
1172	or return;
1173
1174	$map->{load_path} = $path;
1175
1176	$map
1177	}	1374	}
1178		1375
		1376	sub find;
1179	sub find_map {	1377	sub find {
1180	my ($path, $origin) = @_;	1378	my ($path, $origin) = @_;
1181		1379
1182	#warn "find_map<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1380	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1381
1187	cf::lock_wait "map_find:$key";	1382	cf::lock_wait "map_find:$path";
1188		1383
1189	$cf::MAP{$key} || do {	1384	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1385	my $guard = cf::lock_acquire "map_find:$path";
1191		1386	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	if ($map) {
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1387	or return;
1207		1388
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->instantiate;
1211
1212	# per-player maps become, after loading, normal maps
1213	$map->per_player (0) if $path->{user_rel};
1214	}
1215
1216	$map->path ($key);
1217	$map->{path} = $path;
1218	$map->{last_save} = $cf::RUNTIME;	1389	$map->{last_save} = $cf::RUNTIME;
1219	$map->last_access ($cf::RUNTIME);
1220		1390
1221	if ($map->should_reset) {	1391	$map->load_header
		1392	or return;
		1393
		1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1395	# doing this can freeze the server in a sync job, obviously
		1396	#$cf::WAIT_FOR_TICK->wait;
1222	$map->reset;	1397	$map->reset;
1223	$map = find_map $path;	1398	undef $guard;
		1399	return find $path;
1224	}	1400	}
1225		1401
1226	$cf::MAP{$key} = $map	1402	$cf::MAP{$path} = $map
1227	}	1403	}
1228	}	1404	}
		1405
		1406	sub pre_load { }
		1407	sub post_load { }
1229		1408
1230	sub load {	1409	sub load {
1231	my ($self) = @_;	1410	my ($self) = @_;
1232		1411
		1412	local $self->{deny_reset} = 1; # loading can take a long time
		1413
1233	my $path = $self->{path};	1414	my $path = $self->{path};
1234	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1415	my $guard = cf::lock_acquire "map_load:$path";
1235		1416
1236	return if $self->in_memory != cf::MAP_SWAPPED;	1417	return if $self->in_memory != cf::MAP_SWAPPED;
1237		1418
1238	$self->in_memory (cf::MAP_LOADING);	1419	$self->in_memory (cf::MAP_LOADING);
1239		1420
1240	$self->alloc;	1421	$self->alloc;
		1422
		1423	$self->pre_load;
		1424
1241	$self->load_objects ($self->{load_path}, 1)	1425	$self->_load_objects ($self->{load_path}, 1)
1242	or return;	1426	or return;
1243		1427
1244	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1245	if delete $self->{load_original};	1429	if delete $self->{load_original};
1246		1430
1247	if (my $uniq = $path->uniq_path) {	1431	if (my $uniq = $self->uniq_path) {
1248	utf8::encode $uniq;	1432	utf8::encode $uniq;
1249	if (aio_open $uniq, O_RDONLY, 0) {	1433	if (aio_open $uniq, O_RDONLY, 0) {
1250	$self->clear_unique_items;	1434	$self->clear_unique_items;
1251	$self->load_objects ($uniq, 0);	1435	$self->_load_objects ($uniq, 0);
1252	}	1436	}
1253	}	1437	}
		1438
		1439	Coro::cede;
1254		1440
1255	# now do the right thing for maps	1441	# now do the right thing for maps
1256	$self->link_multipart_objects;	1442	$self->link_multipart_objects;
1257		1443
1258	if ($self->{path}->is_style_map) {	1444	unless ($self->{deny_activate}) {
1259	$self->{deny_save} = 1;	1445	$self->decay_objects;
1260	$self->{deny_reset} = 1;
1261	} else {
1262	$self->fix_auto_apply;	1446	$self->fix_auto_apply;
1263	$self->decay_objects;
1264	$self->update_buttons;	1447	$self->update_buttons;
		1448	Coro::cede;
1265	$self->set_darkness_map;	1449	$self->set_darkness_map;
1266	$self->difficulty ($self->estimate_difficulty)	1450	$self->difficulty ($self->estimate_difficulty)
1267	unless $self->difficulty;	1451	unless $self->difficulty;
		1452	Coro::cede;
1268	$self->activate;	1453	$self->activate;
1269	}	1454	}
1270		1455
		1456	$self->post_load;
		1457
1271	$self->in_memory (cf::MAP_IN_MEMORY);	1458	$self->in_memory (cf::MAP_IN_MEMORY);
1272	}	1459	}
1273		1460
1274	sub load_map_sync {	1461	sub customise_for {
		1462	my ($self, $ob) = @_;
		1463
		1464	return find "~" . $ob->name . "/" . $self->{path}
		1465	if $self->per_player;
		1466
		1467	$self
		1468	}
		1469
		1470	# find and load all maps in the 3x3 area around a map
		1471	sub load_diag {
		1472	my ($map) = @_;
		1473
		1474	my @diag; # diagonal neighbours
		1475
		1476	for (0 .. 3) {
		1477	my $neigh = $map->tile_path ($_)
		1478	or next;
		1479	$neigh = find $neigh, $map
		1480	or next;
		1481	$neigh->load;
		1482
		1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1485	}
		1486
		1487	for (@diag) {
		1488	my $neigh = find @$_
		1489	or next;
		1490	$neigh->load;
		1491	}
		1492	}
		1493
		1494	sub find_sync {
1275	my ($path, $origin) = @_;	1495	my ($path, $origin) = @_;
1276		1496
1277	#warn "load_map_sync<$path, $origin>\n";#d#	1497	cf::sync_job { find $path, $origin }
		1498	}
1278		1499
1279	cf::sync_job {	1500	sub do_load_sync {
1280	my $map = cf::map::find_map $path, $origin	1501	my ($map) = @_;
1281	or return;	1502
		1503	cf::sync_job { $map->load };
		1504	}
		1505
		1506	our %MAP_PREFETCH;
		1507	our $MAP_PREFETCHER = undef;
		1508
		1509	sub find_async {
		1510	my ($path, $origin) = @_;
		1511
		1512	$path = normalise $path, $origin && $origin->{path};
		1513
		1514	if (my $map = $cf::MAP{$path}) {
		1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1516	}
		1517
		1518	undef $MAP_PREFETCH{$path};
		1519	$MAP_PREFETCHER ||= cf::async {
		1520	while (%MAP_PREFETCH) {
		1521	for my $path (keys %MAP_PREFETCH) {
		1522	my $map = find $path
		1523	or next;
1282	$map->load;	1524	$map->load;
1283	$map	1525
		1526	delete $MAP_PREFETCH{$path};
		1527	}
		1528	}
		1529	undef $MAP_PREFETCHER;
1284	}	1530	};
		1531	$MAP_PREFETCHER->prio (6);
		1532
		1533	()
1285	}	1534	}
1286		1535
1287	sub save {	1536	sub save {
1288	my ($self) = @_;	1537	my ($self) = @_;
1289		1538
		1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1540
1290	$self->{last_save} = $cf::RUNTIME;	1541	$self->{last_save} = $cf::RUNTIME;
1291		1542
1292	return unless $self->dirty;	1543	return unless $self->dirty;
1293		1544
1294	my $save = $self->{path}->save_path; utf8::encode $save;	1545	my $save = $self->save_path; utf8::encode $save;
1295	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1546	my $uniq = $self->uniq_path; utf8::encode $uniq;
1296		1547
1297	$self->{load_path} = $save;	1548	$self->{load_path} = $save;
1298		1549
1299	return if $self->{deny_save};	1550	return if $self->{deny_save};
1300		1551
		1552	local $self->{last_access} = $self->last_access;#d#
		1553
		1554	cf::async {
		1555	$_->contr->save for $self->players;
		1556	};
		1557
1301	if ($uniq) {	1558	if ($uniq) {
1302	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1303	$self->save_objects ($uniq, cf::IO_UNIQUES);	1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1304	} else {	1561	} else {
1305	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1306	}	1563	}
1307	}	1564	}
1308		1565
1309	sub swap_out {	1566	sub swap_out {
1310	my ($self) = @_;	1567	my ($self) = @_;
		1568
		1569	# save first because save cedes
		1570	$self->save;
		1571
		1572	my $lock = cf::lock_acquire "map_data:" . $self->path;
1311		1573
1312	return if $self->players;	1574	return if $self->players;
1313	return if $self->in_memory != cf::MAP_IN_MEMORY;	1575	return if $self->in_memory != cf::MAP_IN_MEMORY;
1314	return if $self->{deny_save};	1576	return if $self->{deny_save};
1315		1577
1316	$self->save;
1317	$self->clear;	1578	$self->clear;
1318	$self->in_memory (cf::MAP_SWAPPED);	1579	$self->in_memory (cf::MAP_SWAPPED);
1319	}	1580	}
1320		1581
1321	sub reset_at {	1582	sub reset_at {
1322	my ($self) = @_;	1583	my ($self) = @_;
1323		1584
1324	# TODO: safety, remove and allow resettable per-player maps	1585	# TODO: safety, remove and allow resettable per-player maps
1325	return 1e99 if $self->{path}{user_rel};	1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1326	return 1e99 if $self->{deny_reset};	1587	return 1e99 if $self->{deny_reset};
1327		1588
1328	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1329	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1330		1591
…		…
1335	my ($self) = @_;	1596	my ($self) = @_;
1336		1597
1337	$self->reset_at <= $cf::RUNTIME	1598	$self->reset_at <= $cf::RUNTIME
1338	}	1599	}
1339		1600
1340	sub unlink_save {
1341	my ($self) = @_;
1342
1343	utf8::encode (my $save = $self->{path}->save_path);
1344	aioreq_pri 3; IO::AIO::aio_unlink $save;
1345	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1346	}
1347
1348	sub rename {
1349	my ($self, $new_path) = @_;
1350
1351	$self->unlink_save;
1352
1353	delete $cf::MAP{$self->path};
1354	$self->{path} = new cf::path $new_path;
1355	$self->path ($self->{path}->as_string);
1356	$cf::MAP{$self->path} = $self;
1357
1358	$self->save;
1359	}
1360
1361	sub reset {	1601	sub reset {
1362	my ($self) = @_;	1602	my ($self) = @_;
1363		1603
		1604	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1605
1364	return if $self->players;	1606	return if $self->players;
1365	return if $self->{path}{user_rel};#d#	1607	return if $self->isa ("ext::map_per_player");#d#
1366		1608
1367	warn "resetting map ", $self->path;#d#	1609	warn "resetting map ", $self->path;#d#
1368		1610
1369	delete $cf::MAP{$self->path};	1611	delete $cf::MAP{$self->path};
		1612
		1613	$self->in_memory (cf::MAP_SWAPPED);
		1614	$self->clear;
1370		1615
1371	$_->clear_links_to ($self) for values %cf::MAP;	1616	$_->clear_links_to ($self) for values %cf::MAP;
1372		1617
1373	$self->unlink_save;	1618	$self->unlink_save;
1374	$self->destroy;	1619	$self->destroy;
…		…
1377	my $nuke_counter = "aaaa";	1622	my $nuke_counter = "aaaa";
1378		1623
1379	sub nuke {	1624	sub nuke {
1380	my ($self) = @_;	1625	my ($self) = @_;
1381		1626
		1627	delete $cf::MAP{$self->path};
		1628
		1629	$self->unlink_save;
		1630
		1631	bless $self, "cf::map";
		1632	delete $self->{deny_reset};
1382	$self->{deny_save} = 1;	1633	$self->{deny_save} = 1;
1383	$self->reset_timeout (1);	1634	$self->reset_timeout (1);
1384	$self->rename ("{nuke}/" . ($nuke_counter++));	1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1636
		1637	$cf::MAP{$self->path} = $self;
		1638
1385	$self->reset; # polite request, might not happen	1639	$self->reset; # polite request, might not happen
1386	}	1640	}
1387		1641
1388	sub customise_for {	1642	=item cf::map::unique_maps
1389	my ($map, $ob) = @_;
1390		1643
1391	if ($map->per_player) {	1644	Returns an arrayref of paths of all shared maps that have
1392	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1645	instantiated unique items. May block.
1393	}
1394		1646
1395	$map	1647	=cut
1396	}
1397		1648
1398	sub emergency_save {	1649	sub unique_maps() {
1399	local $cf::FREEZE = 1;	1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1651	or return;
1400		1652
1401	warn "enter emergency map save\n";	1653	my @paths;
1402		1654
1403	cf::sync_job {	1655	for (@$files) {
1404	warn "begin emergency map save\n";	1656	utf8::decode $_;
1405	$_->save for values %cf::MAP;	1657	next if /\.pst$/;
		1658	next unless /^$PATH_SEP/o;
		1659
		1660	push @paths, cf::map::normalise $_;
1406	};	1661	}
1407		1662
1408	warn "end emergency map save\n";	1663	\@paths
1409	}	1664	}
1410		1665
1411	package cf;	1666	package cf;
1412		1667
1413	=back	1668	=back
1414		1669
		1670	=head3 cf::object
		1671
		1672	=cut
		1673
		1674	package cf::object;
		1675
		1676	=over 4
		1677
		1678	=item $ob->inv_recursive
		1679
		1680	Returns the inventory of the object _and_ their inventories, recursively.
		1681
		1682	=cut
		1683
		1684	sub inv_recursive_;
		1685	sub inv_recursive_ {
		1686	map { $_, inv_recursive_ $_->inv } @_
		1687	}
		1688
		1689	sub inv_recursive {
		1690	inv_recursive_ inv $_[0]
		1691	}
		1692
		1693	package cf;
		1694
		1695	=back
1415		1696
1416	=head3 cf::object::player	1697	=head3 cf::object::player
1417		1698
1418	=over 4	1699	=over 4
1419		1700
…		…
1459		1740
1460	=item $player_object->enter_link	1741	=item $player_object->enter_link
1461		1742
1462	Freezes the player and moves him/her to a special map (C<{link}>).	1743	Freezes the player and moves him/her to a special map (C<{link}>).
1463		1744
1464	The player should be reaosnably safe there for short amounts of time. You	1745	The player should be reasonably safe there for short amounts of time. You
1465	I<MUST> call C<leave_link> as soon as possible, though.	1746	I<MUST> call C<leave_link> as soon as possible, though.
1466		1747
		1748	Will never block.
		1749
1467	=item $player_object->leave_link ($map, $x, $y)	1750	=item $player_object->leave_link ($map, $x, $y)
1468		1751
1469	Moves the player out of the specila link map onto the given map. If the	1752	Moves the player out of the special C<{link}> map onto the specified
1470	map is not valid (or omitted), the player will be moved back to the	1753	map. If the map is not valid (or omitted), the player will be moved back
1471	location he/she was before the call to C<enter_link>, or, if that fails,	1754	to the location he/she was before the call to C<enter_link>, or, if that
1472	to the emergency map position.	1755	fails, to the emergency map position.
1473		1756
1474	Might block.	1757	Might block.
1475		1758
1476	=cut	1759	=cut
		1760
		1761	sub link_map {
		1762	unless ($LINK_MAP) {
		1763	$LINK_MAP = cf::map::find "{link}"
		1764	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1765	$LINK_MAP->load;
		1766	}
		1767
		1768	$LINK_MAP
		1769	}
1477		1770
1478	sub cf::object::player::enter_link {	1771	sub cf::object::player::enter_link {
1479	my ($self) = @_;	1772	my ($self) = @_;
1480		1773
1481	$self->deactivate_recursive;	1774	$self->deactivate_recursive;
1482		1775
1483	return if $self->map == $LINK_MAP;	1776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1484		1777
1485	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1486	if $self->map;	1779	if $self->map;
1487		1780
1488	$self->enter_map ($LINK_MAP, 20, 20);	1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1489	}	1782	}
1490		1783
1491	sub cf::object::player::leave_link {	1784	sub cf::object::player::leave_link {
1492	my ($self, $map, $x, $y) = @_;	1785	my ($self, $map, $x, $y) = @_;
1493		1786
1494	my $link_pos = delete $self->{_link_pos};	1787	my $link_pos = delete $self->{_link_pos};
1495		1788
1496	unless ($map) {	1789	unless ($map) {
1497	# restore original map position	1790	# restore original map position
1498	($map, $x, $y) = @{ $link_pos || [] };	1791	($map, $x, $y) = @{ $link_pos || [] };
1499	$map = cf::map::find_map $map;	1792	$map = cf::map::find $map;
1500		1793
1501	unless ($map) {	1794	unless ($map) {
1502	($map, $x, $y) = @$EMERGENCY_POSITION;	1795	($map, $x, $y) = @$EMERGENCY_POSITION;
1503	$map = cf::map::find_map $map	1796	$map = cf::map::find $map
1504	or die "FATAL: cannot load emergency map\n";	1797	or die "FATAL: cannot load emergency map\n";
1505	}	1798	}
1506	}	1799	}
1507		1800
1508	($x, $y) = (-1, -1)	1801	($x, $y) = (-1, -1)
…		…
1511	# use -1 or undef as default coordinates, not 0, 0	1804	# use -1 or undef as default coordinates, not 0, 0
1512	($x, $y) = ($map->enter_x, $map->enter_y)	1805	($x, $y) = ($map->enter_x, $map->enter_y)
1513	if $x <=0 && $y <= 0;	1806	if $x <=0 && $y <= 0;
1514		1807
1515	$map->load;	1808	$map->load;
		1809	$map->load_diag;
1516		1810
		1811	return unless $self->contr->active;
1517	$self->activate_recursive;	1812	$self->activate_recursive;
1518	$self->enter_map ($map, $x, $y);	1813	$self->enter_map ($map, $x, $y);
1519	}	1814	}
1520		1815
1521	cf::player->attach (	1816	cf::player->attach (
…		…
1534		1829
1535	# try to abort aborted map switching on player login :)	1830	# try to abort aborted map switching on player login :)
1536	# should happen only on crashes	1831	# should happen only on crashes
1537	if ($pl->ob->{_link_pos}) {	1832	if ($pl->ob->{_link_pos}) {
1538	$pl->ob->enter_link;	1833	$pl->ob->enter_link;
1539	Coro::async {	1834	(async {
1540	# we need this sleep as the login has a concurrent enter_exit running	1835	# we need this sleep as the login has a concurrent enter_exit running
1541	# and this sleep increases chances of the player not ending up in scorn	1836	# and this sleep increases chances of the player not ending up in scorn
		1837	$pl->ob->reply (undef,
		1838	"There was an internal problem at your last logout, "
		1839	. "the server will try to bring you to your intended destination in a second.",
		1840	cf::NDI_RED);
1542	Coro::Timer::sleep 1;	1841	Coro::Timer::sleep 1;
1543	$pl->ob->leave_link;	1842	$pl->ob->leave_link;
1544	};	1843	})->prio (2);
1545	}	1844	}
1546	},	1845	},
1547	);	1846	);
1548		1847
1549	=item $player_object->goto_map ($path, $x, $y)	1848	=item $player_object->goto ($path, $x, $y)
1550		1849
1551	=cut	1850	=cut
1552		1851
1553	sub cf::object::player::goto_map {	1852	sub cf::object::player::goto {
1554	my ($self, $path, $x, $y) = @_;	1853	my ($self, $path, $x, $y) = @_;
1555		1854
1556	$self->enter_link;	1855	$self->enter_link;
1557		1856
1558	(Coro::async {	1857	(async {
1559	$path = new cf::path $path;	1858	my $map = eval {
1560
1561	my $map = cf::map::find_map $path->as_string;	1859	my $map = cf::map::find $path;
1562	$map = $map->customise_for ($self) if $map;	1860	$map = $map->customise_for ($self) if $map;
1563		1861	$map
1564	# warn "entering ", $map->path, " at ($x, $y)\n"	1862	} or
1565	# if $map;
1566
1567	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1568		1864
1569	$self->leave_link ($map, $x, $y);	1865	$self->leave_link ($map, $x, $y);
1570	})->prio (1);	1866	})->prio (1);
1571	}	1867	}
1572		1868
…		…
1576		1872
1577	sub parse_random_map_params {	1873	sub parse_random_map_params {
1578	my ($spec) = @_;	1874	my ($spec) = @_;
1579		1875
1580	my $rmp = { # defaults	1876	my $rmp = { # defaults
1581	xsize => 10,	1877	xsize => (cf::rndm 15, 40),
1582	ysize => 10,	1878	ysize => (cf::rndm 15, 40),
		1879	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1880	#layout => string,
1583	};	1881	};
1584		1882
1585	for (split /\n/, $spec) {	1883	for (split /\n/, $spec) {
1586	my ($k, $v) = split /\s+/, $_, 2;	1884	my ($k, $v) = split /\s+/, $_, 2;
1587		1885
…		…
1591	$rmp	1889	$rmp
1592	}	1890	}
1593		1891
1594	sub prepare_random_map {	1892	sub prepare_random_map {
1595	my ($exit) = @_;	1893	my ($exit) = @_;
		1894
		1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1596		1896
1597	# all this does is basically replace the /! path by	1897	# all this does is basically replace the /! path by
1598	# a new random map path (?random/...) with a seed	1898	# a new random map path (?random/...) with a seed
1599	# that depends on the exit object	1899	# that depends on the exit object
1600		1900
1601	my $rmp = parse_random_map_params $exit->msg;	1901	my $rmp = parse_random_map_params $exit->msg;
1602		1902
1603	if ($exit->map) {	1903	if ($exit->map) {
1604	$rmp->{region} = $exit->map->region_name;	1904	$rmp->{region} = $exit->region->name;
1605	$rmp->{origin_map} = $exit->map->path;	1905	$rmp->{origin_map} = $exit->map->path;
1606	$rmp->{origin_x} = $exit->x;	1906	$rmp->{origin_x} = $exit->x;
1607	$rmp->{origin_y} = $exit->y;	1907	$rmp->{origin_y} = $exit->y;
1608	}	1908	}
1609		1909
1610	$rmp->{random_seed} ||= $exit->random_seed;	1910	$rmp->{random_seed} ||= $exit->random_seed;
1611		1911
1612	my $data = cf::to_json $rmp;	1912	my $data = cf::to_json $rmp;
1613	my $md5 = Digest::MD5::md5_hex $data;	1913	my $md5 = Digest::MD5::md5_hex $data;
		1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1614		1915
1615	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1616	aio_write $fh, 0, (length $data), $data, 0;	1917	aio_write $fh, 0, (length $data), $data, 0;
		1918	undef $fh;
		1919	aio_rename "$meta~", $meta;
1617		1920
1618	$exit->slaying ("?random/$md5");	1921	$exit->slaying ("?random/$md5");
1619	$exit->msg (undef);	1922	$exit->msg (undef);
1620	}	1923	}
1621	}	1924	}
…		…
1623	sub cf::object::player::enter_exit {	1926	sub cf::object::player::enter_exit {
1624	my ($self, $exit) = @_;	1927	my ($self, $exit) = @_;
1625		1928
1626	return unless $self->type == cf::PLAYER;	1929	return unless $self->type == cf::PLAYER;
1627		1930
		1931	if ($exit->slaying eq "/!") {
		1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1933	cf::sync_job { prepare_random_map $exit };
		1934	}
		1935
		1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1937	my $hp = $exit->stats->hp;
		1938	my $sp = $exit->stats->sp;
		1939
1628	$self->enter_link;	1940	$self->enter_link;
1629		1941
1630	(Coro::async {	1942	(async {
		1943	$self->deactivate_recursive; # just to be sure
1631	unless (eval {	1944	unless (eval {
1632		1945	$self->goto ($slaying, $hp, $sp);
1633	prepare_random_map $exit
1634	if $exit->slaying eq "/!";
1635
1636	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1637	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1638		1946
1639	1;	1947	1;
1640	}) {	1948	}) {
1641	$self->message ("Something went wrong deep within the crossfire server. "	1949	$self->message ("Something went wrong deep within the crossfire server. "
1642	. "I'll try to bring you back to the map you were before. "	1950	. "I'll try to bring you back to the map you were before. "
1643	. "Please report this to the dungeon master",	1951	. "Please report this to the dungeon master!",
1644	cf::NDI_UNIQUE | cf::NDI_RED);	1952	cf::NDI_UNIQUE | cf::NDI_RED);
1645		1953
1646	warn "ERROR in enter_exit: $@";	1954	warn "ERROR in enter_exit: $@";
1647	$self->leave_link;	1955	$self->leave_link;
1648	}	1956	}
…		…
1699	on_reply => sub {	2007	on_reply => sub {
1700	my ($ns, $msg) = @_;	2008	my ($ns, $msg) = @_;
1701		2009
1702	# this weird shuffling is so that direct followup queries	2010	# this weird shuffling is so that direct followup queries
1703	# get handled first	2011	# get handled first
1704	my $queue = delete $ns->{query_queue};	2012	my $queue = delete $ns->{query_queue}
		2013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1705		2014
1706	(shift @$queue)->[1]->($msg);	2015	(shift @$queue)->[1]->($msg);
		2016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1707		2017
1708	push @{ $ns->{query_queue} }, @$queue;	2018	push @{ $ns->{query_queue} }, @$queue;
1709		2019
1710	if (@{ $ns->{query_queue} } == @$queue) {	2020	if (@{ $ns->{query_queue} } == @$queue) {
1711	if (@$queue) {	2021	if (@$queue) {
…		…
1715	}	2025	}
1716	}	2026	}
1717	},	2027	},
1718	);	2028	);
1719		2029
1720	=item $client->coro (\&cb)	2030	=item $client->async (\&cb)
1721		2031
1722	Create a new coroutine, running the specified callback. The coroutine will	2032	Create a new coroutine, running the specified callback. The coroutine will
1723	be automatically cancelled when the client gets destroyed (e.g. on logout,	2033	be automatically cancelled when the client gets destroyed (e.g. on logout,
1724	or loss of connection).	2034	or loss of connection).
1725		2035
1726	=cut	2036	=cut
1727		2037
1728	sub cf::client::coro {	2038	sub cf::client::async {
1729	my ($self, $cb) = @_;	2039	my ($self, $cb) = @_;
1730		2040
1731	my $coro; $coro = async {	2041	my $coro = &Coro::async ($cb);
1732	eval {
1733	$cb->();
1734	};
1735	warn $@ if $@;
1736	};
1737		2042
1738	$coro->on_destroy (sub {	2043	$coro->on_destroy (sub {
1739	delete $self->{_coro}{$coro+0};	2044	delete $self->{_coro}{$coro+0};
1740	});	2045	});
1741		2046
…		…
1935	sub db_sync() {	2240	sub db_sync() {
1936	db_save if $dirty;	2241	db_save if $dirty;
1937	undef $dirty;	2242	undef $dirty;
1938	}	2243	}
1939		2244
1940	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2245	my $idle = Event->idle (
1941	db_sync;	2246	reentrant => 0,
		2247	min => 10,
		2248	max => 20,
		2249	repeat => 0,
		2250	data => WF_AUTOCANCEL,
		2251	cb => \&db_sync,
1942	});	2252	);
1943		2253
1944	sub db_dirty() {	2254	sub db_dirty() {
1945	$dirty = 1;	2255	$dirty = 1;
1946	$idle->start;	2256	$idle->start;
1947	}	2257	}
…		…
1968	},	2278	},
1969	);	2279	);
1970	}	2280	}
1971		2281
1972	#############################################################################	2282	#############################################################################
1973	# the server's main()	2283	# the server's init and main functions
		2284
		2285	sub load_resources {
		2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2287	or die "unable to load regions file\n";#d#
		2288	}
1974		2289
1975	sub cfg_load {	2290	sub cfg_load {
1976	open my $fh, "<:utf8", cf::confdir . "/config"	2291	open my $fh, "<:utf8", cf::confdir . "/config"
1977	or return;	2292	or return;
1978		2293
1979	local $/;	2294	local $/;
1980	*CFG = YAML::Syck::Load <$fh>;	2295	*CFG = YAML::Syck::Load <$fh>;
		2296
		2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2298
		2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2301
		2302	if (exists $CFG{mlockall}) {
		2303	eval {
		2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2305	and die "WARNING: m(un)lockall failed: $!\n";
		2306	};
		2307	warn $@ if $@;
		2308	}
		2309	}
		2310
		2311	sub init {
		2312	load_resources;
1981	}	2313	}
1982		2314
1983	sub main {	2315	sub main {
1984	# we must not ever block the main coroutine	2316	# we must not ever block the main coroutine
1985	local $Coro::idle = sub {	2317	local $Coro::idle = sub {
1986	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1987	(Coro::unblock_sub {	2319	(async {
1988	Event::one_event;	2320	Event::one_event;
1989	})->();	2321	})->prio (Coro::PRIO_MAX);
1990	};	2322	};
1991		2323
1992	cfg_load;	2324	cfg_load;
1993	db_load;	2325	db_load;
1994	load_extensions;	2326	load_extensions;
		2327
		2328	$TICK_WATCHER->start;
1995	Event::loop;	2329	Event::loop;
1996	}	2330	}
1997		2331
1998	#############################################################################	2332	#############################################################################
1999	# initialisation	2333	# initialisation and cleanup
		2334
		2335	# install some emergency cleanup handlers
		2336	BEGIN {
		2337	for my $signal (qw(INT HUP TERM)) {
		2338	Event->signal (
		2339	reentrant => 0,
		2340	data => WF_AUTOCANCEL,
		2341	signal => $signal,
		2342	prio => 0,
		2343	cb => sub {
		2344	cf::cleanup "SIG$signal";
		2345	},
		2346	);
		2347	}
		2348	}
		2349
		2350	sub emergency_save() {
		2351	my $freeze_guard = cf::freeze_mainloop;
		2352
		2353	warn "enter emergency perl save\n";
		2354
		2355	cf::sync_job {
		2356	# use a peculiar iteration method to avoid tripping on perl
		2357	# refcount bugs in for. also avoids problems with players
		2358	# and maps saved/destroyed asynchronously.
		2359	warn "begin emergency player save\n";
		2360	for my $login (keys %cf::PLAYER) {
		2361	my $pl = $cf::PLAYER{$login} or next;
		2362	$pl->valid or next;
		2363	$pl->save;
		2364	}
		2365	warn "end emergency player save\n";
		2366
		2367	warn "begin emergency map save\n";
		2368	for my $path (keys %cf::MAP) {
		2369	my $map = $cf::MAP{$path} or next;
		2370	$map->valid or next;
		2371	$map->save;
		2372	}
		2373	warn "end emergency map save\n";
		2374	};
		2375
		2376	warn "leave emergency perl save\n";
		2377	}
2000		2378
2001	sub reload() {	2379	sub reload() {
2002	# can/must only be called in main	2380	# can/must only be called in main
2003	if ($Coro::current != $Coro::main) {	2381	if ($Coro::current != $Coro::main) {
2004	warn "can only reload from main coroutine\n";	2382	warn "can only reload from main coroutine";
2005	return;	2383	return;
2006	}	2384	}
2007		2385
2008	warn "reloading...";	2386	warn "reloading...";
2009		2387
2010	local $FREEZE = 1;	2388	warn "cancelling server ticker";
		2389	$TICK_WATCHER->cancel;
		2390
2011	cf::emergency_save;	2391	cf::emergency_save;
2012		2392
2013	eval {	2393	eval {
2014	# if anything goes wrong in here, we should simply crash as we already saved	2394	# if anything goes wrong in here, we should simply crash as we already saved
2015		2395
2016	# cancel all watchers	2396	warn "syncing database to disk";
		2397	cf::db_sync;
		2398
		2399	warn "cancelling all WF_AUTOCANCEL watchers";
2017	for (Event::all_watchers) {	2400	for (Event::all_watchers) {
2018	$_->cancel if $_->data & WF_AUTOCANCEL;	2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2019	}	2402	}
2020		2403
		2404	warn "flushing outstanding aio requests";
		2405	for (;;) {
		2406	IO::AIO::flush;
		2407	Coro::cede;
		2408	last unless IO::AIO::nreqs;
		2409	warn "iterate...";
		2410	}
		2411
2021	# cancel all extension coros	2412	warn "cancelling all extension coros";
2022	$_->cancel for values %EXT_CORO;	2413	$_->cancel for values %EXT_CORO;
2023	%EXT_CORO = ();	2414	%EXT_CORO = ();
2024		2415
2025	# unload all extensions	2416	warn "removing commands";
2026	for (@exts) {	2417	%COMMAND = ();
		2418
		2419	warn "removing ext commands";
		2420	%EXTCMD = ();
		2421
		2422	warn "unloading/nuking all extensions";
		2423	for my $pkg (@EXTS) {
2027	warn "unloading <$_>";	2424	warn "... unloading $pkg";
2028	unload_extension $_;	2425
		2426	if (my $cb = $pkg->can ("unload")) {
		2427	eval {
		2428	$cb->($pkg);
		2429	1
		2430	} or warn "$pkg unloaded, but with errors: $@";
2029	}	2431	}
2030		2432
		2433	warn "... nuking $pkg";
		2434	Symbol::delete_package $pkg;
		2435	}
		2436
2031	# unload all modules loaded from $LIBDIR	2437	warn "unloading all perl modules loaded from $LIBDIR";
2032	while (my ($k, $v) = each %INC) {	2438	while (my ($k, $v) = each %INC) {
2033	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2034		2440
2035	warn "removing <$k>";	2441	warn "... unloading $k";
2036	delete $INC{$k};	2442	delete $INC{$k};
2037		2443
2038	$k =~ s/\.pm$//;	2444	$k =~ s/\.pm$//;
2039	$k =~ s/\//::/g;	2445	$k =~ s/\//::/g;
2040		2446
…		…
2043	}	2449	}
2044		2450
2045	Symbol::delete_package $k;	2451	Symbol::delete_package $k;
2046	}	2452	}
2047		2453
2048	# sync database to disk
2049	cf::db_sync;
2050	IO::AIO::flush;
2051
2052	# get rid of safe::, as good as possible	2454	warn "getting rid of safe::, as good as possible";
2053	Symbol::delete_package "safe::$_"	2455	Symbol::delete_package "safe::$_"
2054	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2055		2457
2056	# remove register_script_function callbacks
2057	# TODO
2058
2059	# unload cf.pm "a bit"	2458	warn "unloading cf.pm \"a bit\"";
2060	delete $INC{"cf.pm"};	2459	delete $INC{"cf.pm"};
2061		2460
2062	# don't, removes xs symbols, too,	2461	# don't, removes xs symbols, too,
2063	# and global variables created in xs	2462	# and global variables created in xs
2064	#Symbol::delete_package __PACKAGE__;	2463	#Symbol::delete_package __PACKAGE__;
2065		2464
2066	# reload cf.pm	2465	warn "unload completed, starting to reload now";
		2466
2067	warn "reloading cf.pm";	2467	warn "reloading cf.pm";
2068	require cf;	2468	require cf;
2069	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2070		2470
2071	# load config and database again	2471	warn "loading config and database again";
2072	cf::cfg_load;	2472	cf::cfg_load;
2073	cf::db_load;	2473	cf::db_load;
2074		2474
2075	# load extensions
2076	warn "load extensions";	2475	warn "loading extensions";
2077	cf::load_extensions;	2476	cf::load_extensions;
2078		2477
2079	# reattach attachments to objects	2478	warn "reattaching attachments to objects/players";
2080	warn "reattach";
2081	_global_reattach;	2479	_global_reattach;
		2480	warn "reattaching attachments to maps";
		2481	reattach $_ for values %MAP;
		2482
		2483	warn "loading reloadable resources";
		2484	load_resources;
		2485
		2486	warn "restarting server ticker";
		2487
		2488	$TICK_WATCHER->start;
2082	};	2489	};
2083		2490
2084	if ($@) {	2491	if ($@) {
2085	warn $@;	2492	warn $@;
2086	warn "error while reloading, exiting.";	2493	warn "error while reloading, exiting.";
2087	exit 1;	2494	exit 1;
2088	}	2495	}
2089		2496
2090	warn "reloaded successfully";	2497	warn "reloaded";
2091	};	2498	};
2092		2499
2093	#############################################################################	2500	our $RELOAD_WATCHER; # used only during reload
2094
2095	unless ($LINK_MAP) {
2096	$LINK_MAP = cf::map::new;
2097
2098	$LINK_MAP->width (41);
2099	$LINK_MAP->height (41);
2100	$LINK_MAP->alloc;
2101	$LINK_MAP->path ("{link}");
2102	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2103	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2104
2105	# dirty hack because... archetypes are not yet loaded
2106	Event->timer (
2107	after => 2,
2108	cb => sub {
2109	$_[0]->w->cancel;
2110
2111	# provide some exits "home"
2112	my $exit = cf::object::new "exit";
2113
2114	$exit->slaying ($EMERGENCY_POSITION->[0]);
2115	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2116	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2117
2118	$LINK_MAP->insert ($exit->clone, 19, 19);
2119	$LINK_MAP->insert ($exit->clone, 19, 20);
2120	$LINK_MAP->insert ($exit->clone, 19, 21);
2121	$LINK_MAP->insert ($exit->clone, 20, 19);
2122	$LINK_MAP->insert ($exit->clone, 20, 21);
2123	$LINK_MAP->insert ($exit->clone, 21, 19);
2124	$LINK_MAP->insert ($exit->clone, 21, 20);
2125	$LINK_MAP->insert ($exit->clone, 21, 21);
2126
2127	$exit->destroy;
2128	});
2129
2130	$LINK_MAP->{deny_save} = 1;
2131	$LINK_MAP->{deny_reset} = 1;
2132
2133	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2134	}
2135
2136	register "<global>", __PACKAGE__;
2137		2501
2138	register_command "reload" => sub {	2502	register_command "reload" => sub {
2139	my ($who, $arg) = @_;	2503	my ($who, $arg) = @_;
2140		2504
2141	if ($who->flag (FLAG_WIZ)) {	2505	if ($who->flag (FLAG_WIZ)) {
2142	$who->message ("start of reload.");	2506	$who->message ("reloading server.");
		2507
		2508	# doing reload synchronously and two reloads happen back-to-back,
		2509	# coro crashes during coro_state_free->destroy here.
		2510
		2511	$RELOAD_WATCHER ||= Event->timer (
		2512	reentrant => 0,
		2513	after => 0,
		2514	data => WF_AUTOCANCEL,
		2515	cb => sub {
2143	reload;	2516	reload;
2144	$who->message ("end of reload.");	2517	undef $RELOAD_WATCHER;
		2518	},
		2519	);
2145	}	2520	}
2146	};	2521	};
2147		2522
2148	unshift @INC, $LIBDIR;	2523	unshift @INC, $LIBDIR;
		2524
		2525	my $bug_warning = 0;
2149		2526
2150	$TICK_WATCHER = Event->timer (	2527	$TICK_WATCHER = Event->timer (
2151	reentrant => 0,	2528	reentrant => 0,
		2529	parked => 1,
2152	prio => 0,	2530	prio => 0,
2153	at => $NEXT_TICK || $TICK,	2531	at => $NEXT_TICK || $TICK,
2154	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2155	cb => sub {	2533	cb => sub {
2156	unless ($FREEZE) {	2534	if ($Coro::current != $Coro::main) {
		2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2536	unless ++$bug_warning > 10;
		2537	return;
		2538	}
		2539
		2540	$NOW = Event::time;
		2541
2157	cf::server_tick; # one server iteration	2542	cf::server_tick; # one server iteration
2158	$RUNTIME += $TICK;	2543	$RUNTIME += $TICK;
2159	}
2160
2161	$NEXT_TICK += $TICK;	2544	$NEXT_TICK += $TICK;
		2545
		2546	$WAIT_FOR_TICK->broadcast;
		2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2548
		2549	Event::sweep;
		2550	Coro::cede_notself;
		2551
		2552	# my $AFTER = Event::time;
		2553	# warn $AFTER - $NOW;#d#
2162		2554
2163	# if we are delayed by four ticks or more, skip them all	2555	# if we are delayed by four ticks or more, skip them all
2164	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2165		2557
2166	$TICK_WATCHER->at ($NEXT_TICK);	2558	$TICK_WATCHER->at ($NEXT_TICK);
2167	$TICK_WATCHER->start;	2559	$TICK_WATCHER->start;
2168	},	2560	},
2169	);	2561	);
2170		2562
		2563	{
		2564	BDB::max_poll_time $TICK * 0.1;
		2565	$BDB_POLL_WATCHER = Event->io (
		2566	reentrant => 0,
		2567	fd => BDB::poll_fileno,
		2568	poll => 'r',
		2569	prio => 0,
		2570	data => WF_AUTOCANCEL,
		2571	cb => \&BDB::poll_cb,
		2572	);
		2573	BDB::min_parallel 8;
		2574
		2575	BDB::set_sync_prepare {
		2576	my $status;
		2577	my $current = $Coro::current;
		2578	(
		2579	sub {
		2580	$status = $!;
		2581	$current->ready; undef $current;
		2582	},
		2583	sub {
		2584	Coro::schedule while defined $current;
		2585	$! = $status;
		2586	},
		2587	)
		2588	};
		2589
		2590	unless ($DB_ENV) {
		2591	$DB_ENV = BDB::db_env_create;
		2592
		2593	cf::sync_job {
		2594	BDB::db_env_open
		2595	$DB_ENV,
		2596	$BDB_ENV_DIR,
		2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2599	0666;
		2600
		2601	cf::cleanup "$!" if $!;
		2602
		2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2604	};
		2605	}
		2606	}
		2607
		2608	{
		2609	IO::AIO::min_parallel 8;
		2610
		2611	undef $Coro::AIO::WATCHER;
2171	IO::AIO::max_poll_time $TICK * 0.2;	2612	IO::AIO::max_poll_time $TICK * 0.1;
2172		2613	$AIO_POLL_WATCHER = Event->io (
2173	Event->io (	2614	reentrant => 0,
2174	fd => IO::AIO::poll_fileno,	2615	fd => IO::AIO::poll_fileno,
2175	poll => 'r',	2616	poll => 'r',
2176	prio => 5,	2617	prio => 6,
2177	data => WF_AUTOCANCEL,	2618	data => WF_AUTOCANCEL,
2178	cb => \&IO::AIO::poll_cb,	2619	cb => \&IO::AIO::poll_cb,
2179	);	2620	);
		2621	}
2180		2622
2181	Event->timer (	2623	$WRITE_RUNTIME_WATCHER = Event->timer (
		2624	reentrant => 0,
2182	data => WF_AUTOCANCEL,	2625	data => WF_AUTOCANCEL,
2183	after => 0,	2626	after => 1,
2184	interval => 10,	2627	interval => 10,
2185	cb => sub {	2628	prio => 6, # keep it lowest so it acts like a watchdog
2186	(Coro::unblock_sub {	2629	cb => Coro::unblock_sub {
2187	write_runtime	2630	write_runtime
2188	or warn "ERROR: unable to write runtime file: $!";	2631	or warn "ERROR: unable to write runtime file: $!";
2189	})->();
2190	},	2632	},
2191	);	2633	);
2192		2634
		2635	END { cf::emergency_save }
		2636
2193	1	2637	1
2194		2638

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