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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.132 by root, Thu Jan 4 01:35:56 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
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	87	our $EMERGENCY_POSITION;
		88
		89	sub cf::map::normalise;
77		90
78	#############################################################################	91	#############################################################################
79		92
80	=head2 GLOBAL VARIABLES	93	=head2 GLOBAL VARIABLES
81		94
…		…
105		118
106	=item %cf::CFG	119	=item %cf::CFG
107		120
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	121	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		130
111	=back	131	=back
112		132
113	=cut	133	=cut
114		134
…		…
118	utf8::encode $msg;	138	utf8::encode $msg;
119		139
120	$msg .= "\n"	140	$msg .= "\n"
121	unless $msg =~ /\n$/;	141	unless $msg =~ /\n$/;
122		142
123	LOG llevError, "cfperl: $msg";	143	LOG llevError, $msg;
124	};	144	};
125	}	145	}
126		146
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		166
147	$Event::DIED = sub {	167	$Event::DIED = sub {
148	warn "error in event callback: @_";	168	warn "error in event callback: @_";
149	};	169	};
150		170
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	171	=head2 UTILITY FUNCTIONS
156		172
157	=over 4	173	=over 4
158		174
		175	=item dumpval $ref
		176
159	=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	}
160		197
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	198	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		199
163	=item $ref = cf::from_json $json	200	=item $ref = cf::from_json $json
164		201
…		…
180	sub to_json($) {	217	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]	219	JSON::Syck::Dump $_[0]
183	}	220	}
184		221
185	=item my $guard = cf::guard { BLOCK }
186
187	Run the given callback when the guard object gets destroyed (useful for
188	coroutine cancellations).
189
190	You can call C<< ->cancel >> on the guard object to stop the block from
191	being executed.
192
193	=cut
194
195	sub guard(&) {
196	bless \(my $cb = $_[0]), cf::guard::;
197	}
198
199	sub cf::guard::cancel {
200	${$_[0]} = sub { };
201	}
202
203	sub cf::guard::DESTROY {
204	${$_[0]}->();
205	}
206
207	=item cf::lock_wait $string	222	=item cf::lock_wait $string
208		223
209	Wait until the given lock is available. See cf::lock_acquire.	224	Wait until the given lock is available. See cf::lock_acquire.
210		225
211	=item my $lock = cf::lock_acquire $string	226	=item my $lock = cf::lock_acquire $string
212		227
213	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
214	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,
215	for example when the coroutine gets canceled), the lock is automatically	230	for example when the coroutine gets canceled), the lock is automatically
216	returned.	231	returned.
217		232
218	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
219	uses map_find and load_map uses map_load).	234	uses map_find and cf::map::load uses map_load).
220		235
221	=cut	236	=cut
222		237
223	our %LOCK;	238	our %LOCK;
224		239
…		…
238	# wait, to be sure we are not locked	253	# wait, to be sure we are not locked
239	lock_wait $key;	254	lock_wait $key;
240		255
241	$LOCK{$key} = [];	256	$LOCK{$key} = [];
242		257
243	cf::guard {	258	Coro::guard {
244	# wake up all waiters, to be on the safe side	259	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	260	$_->ready for @{ delete $LOCK{$key} };
246	}	261	}
247	}	262	}
248		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	$guard
		274	}
		275
249	=item cf::async { BLOCK }	276	=item cf::async { BLOCK }
250		277
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	278	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	279	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		280	thing you are allowed to do is call C<prio> on it.
253		281
254	=cut	282	=cut
255		283
256	sub async(&) {	284	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		285
265	=item cf::sync_job { BLOCK }	286	=item cf::sync_job { BLOCK }
266		287
267	The design of crossfire+ requires that the main coro ($Coro::main) is	288	The design of crossfire+ requires that the main coro ($Coro::main) is
268	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
…		…
282	# this is the main coro, too bad, we have to block	303	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	304	# till the operation succeeds, freezing the server :/
284		305
285	# TODO: use suspend/resume instead	306	# TODO: use suspend/resume instead
286	# (but this is cancel-safe)	307	# (but this is cancel-safe)
287	local $FREEZE = 1;	308	my $freeze_guard = freeze_mainloop;
288		309
289	my $busy = 1;	310	my $busy = 1;
290	my @res;	311	my @res;
291		312
292	(Coro::async {	313	(async {
293	@res = eval { $job->() };	314	@res = eval { $job->() };
294	warn $@ if $@;	315	warn $@ if $@;
295	undef $busy;	316	undef $busy;
296	})->prio (Coro::PRIO_MAX);	317	})->prio (Coro::PRIO_MAX);
297		318
298	while ($busy) {	319	while ($busy) {
299	Coro::cede_notself;	320	Coro::cede or Event::one_event;
300	Event::one_event unless Coro::nready;
301	}	321	}
302		322
303	wantarray ? @res : $res[0]	323	wantarray ? @res : $res[0]
304	} else {	324	} else {
305	# we are in another coroutine, how wonderful, everything just works	325	# we are in another coroutine, how wonderful, everything just works
306		326
307	$job->()	327	$job->()
308	}	328	}
309	}	329	}
310		330
311	=item $coro = cf::coro { BLOCK }	331	=item $coro = cf::async_ext { BLOCK }
312		332
313	Creates and returns a new coro. This coro is automcatially being canceled	333	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	334	extension calling this is being unloaded.
315		335
316	=cut	336	=cut
317		337
318	sub coro(&) {	338	sub async_ext(&) {
319	my $cb = shift;	339	my $cb = shift;
320		340
321	my $coro = &cf::async ($cb);	341	my $coro = &Coro::async ($cb);
322		342
323	$coro->on_destroy (sub {	343	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	344	delete $EXT_CORO{$coro+0};
325	});	345	});
326	$EXT_CORO{$coro+0} = $coro;	346	$EXT_CORO{$coro+0} = $coro;
…		…
332	my $runtime = cf::localdir . "/runtime";	352	my $runtime = cf::localdir . "/runtime";
333		353
334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
335	or return;	355	or return;
336		356
		357	my $value = $cf::RUNTIME + 90 + 10;
337	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
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0	361	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;	362	and return;
340		363
		364	# always fsync - this file is important
341	aio_fsync $fh	365	aio_fsync $fh
342	and return;	366	and return;
343		367
344	close $fh	368	close $fh
345	or return;	369	or return;
…		…
351	}	375	}
352		376
353	=back	377	=back
354		378
355	=cut	379	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($class, $path, $base) = @_;
363
364	$path = $path->as_string if ref $path;
365
366	my $self = bless { }, $class;
367
368	# {... are special paths that are not touched
369	# ?xxx/... are special absolute paths
370	# ?random/... random maps
371	# /! non-realised random map exit
372	# /... normal maps
373	# ~/... per-player maps without a specific player (DO NOT USE)
374	# ~user/... per-player map of a specific user
375
376	if ($path =~ /^{/) {
377	# fine as it is
378	} elsif ($path =~ s{^\?random/}{}) {
379	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
380	$self->{random} = cf::from_json $data;
381	} else {
382	if ($path =~ s{^~([^/]+)?}{}) {
383	$self->{user_rel} = 1;
384
385	if (defined $1) {
386	$self->{user} = $1;
387	} elsif ($base =~ m{^~([^/]+)/}) {
388	$self->{user} = $1;
389	} else {
390	warn "cannot resolve user-relative path without user <$path,$base>\n";
391	}
392	} elsif ($path =~ /^\//) {
393	# already absolute
394	} else {
395	$base =~ s{[^/]+/?$}{};
396	return $class->new ("$base/$path");
397	}
398
399	for ($path) {
400	redo if s{/\.?/}{/};
401	redo if s{/[^/]+/\.\./}{/};
402	}
403	}
404
405	$self->{path} = $path;
406
407	$self
408	}
409
410	# the name / primary key / in-game path
411	sub as_string {
412	my ($self) = @_;
413
414	$self->{user_rel} ? "~$self->{user}$self->{path}"
415	: $self->{random} ? "?random/$self->{path}"
416	: $self->{path}
417	}
418
419	# the displayed name, this is a one way mapping
420	sub visible_name {
421	my ($self) = @_;
422
423	# if (my $rmp = $self->{random}) {
424	# # todo: be more intelligent about this
425	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
426	# } else {
427	$self->as_string
428	# }
429	}
430
431	# escape the /'s in the path
432	sub _escaped_path {
433	# ∕ is U+2215
434	(my $path = $_[0]{path}) =~ s/\//∕/g;
435	$path
436	}
437
438	# the original (read-only) location
439	sub load_path {
440	my ($self) = @_;
441
442	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
443	}
444
445	# the temporary/swap location
446	sub save_path {
447	my ($self) = @_;
448
449	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
450	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
451	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
452	}
453
454	# the unique path, might be eq to save_path
455	sub uniq_path {
456	my ($self) = @_;
457
458	$self->{user_rel} || $self->{random}
459	? undef
460	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
461	}
462
463	# return random map parameters, or undef
464	sub random_map_params {
465	my ($self) = @_;
466
467	$self->{random}
468	}
469
470	# this is somewhat ugly, but style maps do need special treatment
471	sub is_style_map {
472	$_[0]{path} =~ m{^/styles/}
473	}
474
475	package cf;
476		380
477	#############################################################################	381	#############################################################################
478		382
479	=head2 ATTACHABLE OBJECTS	383	=head2 ATTACHABLE OBJECTS
480		384
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	510	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	511	our @CB_MAP = ();
608		512
609	my %attachment;	513	my %attachment;
610		514
		515	sub cf::attachable::thawer_merge {
		516	# simply override everything except _meta
		517	local $_[0]{_meta};
		518	%{$_[0]} = %{$_[1]};
		519	}
		520
611	sub _attach_cb($$$$) {	521	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	522	my ($registry, $event, $prio, $cb) = @_;
613		523
614	use sort 'stable';	524	use sort 'stable';
615		525
…		…
786	# object support	696	# object support
787		697
788	sub reattach {	698	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	699	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	700	my ($obj) = @_;
		701
		702	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		703
792	my $registry = $obj->registry;	704	my $registry = $obj->registry;
793		705
794	@$registry = ();	706	@$registry = ();
795		707
…		…
842	$filename, length $$rdata, scalar @$objs;	754	$filename, length $$rdata, scalar @$objs;
843		755
844	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
845	chmod SAVE_MODE, $fh;	757	chmod SAVE_MODE, $fh;
846	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
847	aio_fsync $fh;	759	aio_fsync $fh if $cf::USE_FSYNC;
848	close $fh;	760	close $fh;
849		761
850	if (@$objs) {	762	if (@$objs) {
851	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) {
852	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
853	my $data = Storable::nfreeze { version => 1, objs => $objs };	765	my $data = Storable::nfreeze { version => 1, objs => $objs };
854	aio_write $fh, 0, (length $data), $data, 0;	766	aio_write $fh, 0, (length $data), $data, 0;
855	aio_fsync $fh;	767	aio_fsync $fh if $cf::USE_FSYNC;
856	close $fh;	768	close $fh;
857	aio_rename "$filename.pst~", "$filename.pst";	769	aio_rename "$filename.pst~", "$filename.pst";
858	}	770	}
859	} else {	771	} else {
860	aio_unlink "$filename.pst";	772	aio_unlink "$filename.pst";
…		…
866	}	778	}
867	} else {	779	} else {
868	aio_unlink $filename;	780	aio_unlink $filename;
869	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
870	}	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	}
871	}	789	}
872	}	790	}
873		791
874	sub object_freezer_as_string {	792	sub object_freezer_as_string {
875	my ($rdata, $objs) = @_;	793	my ($rdata, $objs) = @_;
…		…
881		799
882	sub object_thawer_load {	800	sub object_thawer_load {
883	my ($filename) = @_;	801	my ($filename) = @_;
884		802
885	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$//;
886		807
887	(aio_load $filename, $data) >= 0	808	(aio_load $filename, $data) >= 0
888	or return;	809	or return;
889		810
890	unless (aio_stat "$filename.pst") {	811	unless (aio_stat "$filename.pst") {
…		…
927	=cut	848	=cut
928		849
929	sub register_extcmd {	850	sub register_extcmd {
930	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
931		852
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
936	}	854	}
937		855
938	cf::player->attach (	856	cf::player->attach (
939	on_command => sub {	857	on_command => sub {
940	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
953		871
954	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
955		873
956	if (ref $msg) {	874	if (ref $msg) {
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
959	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
960	}	878	}
961	}	879	}
962	} else {	880	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
965		883
966	cf::override;	884	cf::override;
967	},	885	},
968	);	886	);
969		887
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	888	sub load_extension {
977	my ($path) = @_;	889	my ($path) = @_;
978		890
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
980	my $base = $1;	892	my $base = $1;
981	my $pkg = $1;	893	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
984		896
985	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
986		898
987	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
988	or die "$path: $!";	900	or die "$path: $!";
989		901
990	my $source =	902	my $source =
991	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
994	. "\n};\n1";	906	. "\n};\n1";
995		907
996	eval $source	908	unless (eval $source) {
997	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
998	: "extension disabled.\n";	910	: "extension disabled.\n";
999		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000	push @exts, $pkg;	912	warn $@;
1001	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
1002		914	exit 1;
1003	# no strict 'refs';	915	}
1004	# @{"$pkg\::ISA"} = ext::;	916	die $@;
1005
1006	register $base, $pkg;
1007	}
1008
1009	sub unload_extension {
1010	my ($pkg) = @_;
1011
1012	warn "removing extension $pkg\n";
1013
1014	# remove hooks
1015	#TODO
1016	# for my $idx (0 .. $#PLUGIN_EVENT) {
1017	# delete $hook[$idx]{$pkg};
1018	# }	917	}
1019		918
1020	# remove commands	919	push @EXTS, $pkg;
1021	for my $name (keys %COMMAND) {
1022	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1023
1024	if (@cb) {
1025	$COMMAND{$name} = \@cb;
1026	} else {
1027	delete $COMMAND{$name};
1028	}
1029	}
1030
1031	# remove extcmds
1032	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1033	delete $EXTCMD{$name};
1034	}
1035
1036	if (my $cb = $pkg->can ("unload")) {
1037	eval {
1038	$cb->($pkg);
1039	1
1040	} or warn "$pkg unloaded, but with errors: $@";
1041	}
1042
1043	Symbol::delete_package $pkg;
1044	}	920	}
1045		921
1046	sub load_extensions {	922	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	924	next unless -r $ext;
…		…
1052	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1053	}	929	}
1054	}	930	}
1055		931
1056	#############################################################################	932	#############################################################################
1057	# load/save/clean perl data associated with a map
1058
1059	*cf::mapsupport::on_clean = sub {
1060	my ($map) = @_;
1061
1062	my $path = $map->tmpname;
1063	defined $path or return;
1064
1065	unlink "$path.pst";
1066	};
1067
1068	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1069
1070	#############################################################################
1071	# load/save perl data associated with player->ob objects
1072
1073	sub all_objects(@) {
1074	@_, map all_objects ($_->inv), @_
1075	}
1076
1077	# TODO: compatibility cruft, remove when no longer needed
1078	cf::player->attach (
1079	on_load => sub {
1080	my ($pl, $path) = @_;
1081
1082	for my $o (all_objects $pl->ob) {
1083	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1084	$o->set_ob_key_value ("_perl_data");
1085
1086	%$o = %{ Storable::thaw pack "H*", $value };
1087	}
1088	}
1089	},
1090	);
1091
1092	#############################################################################
1093		933
1094	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1095		935
1096	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1097		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1098	=head3 cf::player	944	=head3 cf::player
1099		945
1100	=over 4	946	=over 4
1101		947
1102	=item cf::player::exists $login	948	=item cf::player::find $login
1103		949
1104	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1105		951
1106	=cut	952	=cut
1107		953
1108	sub cf::player::exists($) {	954	sub playerdir($) {
1109	cf::player::find $_[0]	955	cf::localdir
1110	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
1111	}	1102	}
1112		1103
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1104	=item $player->ext_reply ($msgid, $msgtype, %msg)
1114		1105
1115	Sends an ext reply to the player.	1106	Sends an ext reply to the player.
1116		1107
1117	=cut	1108	=cut
1118		1109
1119	sub cf::player::ext_reply($$$%) {	1110	sub ext_reply($$$%) {
1120	my ($self, $id, %msg) = @_;	1111	my ($self, $id, %msg) = @_;
1121		1112
1122	$msg{msgid} = $id;	1113	$msg{msgid} = $id;
1123		1114
1124	$self->send ("ext " . to_json \%msg);	1115	$self->send ("ext " . cf::to_json \%msg);
1125	}	1116	}
		1117
		1118	package cf;
1126		1119
1127	=back	1120	=back
1128		1121
1129		1122
1130	=head3 cf::map	1123	=head3 cf::map
…		…
1136	package cf::map;	1129	package cf::map;
1137		1130
1138	use Fcntl;	1131	use Fcntl;
1139	use Coro::AIO;	1132	use Coro::AIO;
1140		1133
		1134	use overload
		1135	'""' => \&as_string,
		1136	fallback => 1;
		1137
1141	our $MAX_RESET = 7200;	1138	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1139	our $DEFAULT_RESET = 3000;
1143		1140
1144	sub generate_random_map {	1141	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1142	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1143	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1144	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1148	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1149	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1152	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$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},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1154	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(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
1161	}	1286	}
1162		1287
1163	# and all this just because we cannot iterate over	1288	# and all this just because we cannot iterate over
1164	# all maps in C++...	1289	# all maps in C++...
1165	sub change_all_map_light {	1290	sub change_all_map_light {
…		…
1167		1292
1168	$_->change_map_light ($change)	1293	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1294	for grep $_->outdoor, values %cf::MAP;
1170	}	1295	}
1171		1296
		1297	sub unlink_save {
		1298	my ($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
1172	sub try_load_header($) {	1310	sub load_header_from($) {
1173	my ($path) = @_;	1311	my ($self, $path) = @_;
1174		1312
1175	utf8::encode $path;	1313	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1314	#aio_open $path, O_RDONLY, 0
		1315	# or return;
		1316
		1317	$self->_load_header ($path)
1177	or return;	1318	or return;
1178		1319
1179	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
1180	or return;	1363	or return;
		1364	$self->prepare_orig;
		1365	}
1181		1366
1182	$map->load_header ($path)	1367	1
1183	or return;
1184
1185	$map->{load_path} = $path;
1186
1187	$map
1188	}	1368	}
1189		1369
1190	sub find_map;	1370	sub find;
1191	sub find_map {	1371	sub find {
1192	my ($path, $origin) = @_;	1372	my ($path, $origin) = @_;
1193		1373
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1374	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1375
1199	cf::lock_wait "map_find:$key";	1376	cf::lock_wait "map_find:$path";
1200		1377
1201	$cf::MAP{$key} || do {	1378	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1379	my $guard = cf::lock_acquire "map_find:$path";
1203		1380	my $map = new_from_path cf::map $path
1204	# do it the slow way
1205	my $map = try_load_header $path->save_path;
1206
1207	if ($map) {
1208	$map->last_access ((delete $map->{last_access})
1209	|| $cf::RUNTIME); #d#
1210	# safety
1211	$map->{instantiate_time} = $cf::RUNTIME
1212	if $map->{instantiate_time} > $cf::RUNTIME;
1213	} else {
1214	if (my $rmp = $path->random_map_params) {
1215	$map = generate_random_map $key, $rmp;
1216	} else {
1217	$map = try_load_header $path->load_path;
1218	}
1219
1220	$map or return;	1381	or return;
1221		1382
1222	$map->{load_original} = 1;
1223	$map->{instantiate_time} = $cf::RUNTIME;
1224	$map->last_access ($cf::RUNTIME);
1225	$map->instantiate;
1226
1227	# per-player maps become, after loading, normal maps
1228	$map->per_player (0) if $path->{user_rel};
1229	}
1230
1231	$map->path ($key);
1232	$map->{path} = $path;
1233	$map->{last_save} = $cf::RUNTIME;	1383	$map->{last_save} = $cf::RUNTIME;
1234		1384
1235	if ($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;
1236	$map->reset;	1391	$map->reset;
1237	undef $guard;	1392	undef $guard;
1238	$map = find_map $path	1393	return find $path;
1239	or return;
1240	}	1394	}
1241		1395
1242	$cf::MAP{$key} = $map	1396	$cf::MAP{$path} = $map
1243	}	1397	}
1244	}	1398	}
		1399
		1400	sub pre_load { }
		1401	sub post_load { }
1245		1402
1246	sub load {	1403	sub load {
1247	my ($self) = @_;	1404	my ($self) = @_;
1248		1405
		1406	local $self->{deny_reset} = 1; # loading can take a long time
		1407
1249	my $path = $self->{path};	1408	my $path = $self->{path};
1250	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1409	my $guard = cf::lock_acquire "map_load:$path";
1251		1410
1252	return if $self->in_memory != cf::MAP_SWAPPED;	1411	return if $self->in_memory != cf::MAP_SWAPPED;
1253		1412
1254	$self->in_memory (cf::MAP_LOADING);	1413	$self->in_memory (cf::MAP_LOADING);
1255		1414
1256	$self->alloc;	1415	$self->alloc;
		1416
		1417	$self->pre_load;
		1418
1257	$self->load_objects ($self->{load_path}, 1)	1419	$self->_load_objects ($self->{load_path}, 1)
1258	or return;	1420	or return;
1259		1421
1260	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1261	if delete $self->{load_original};	1423	if delete $self->{load_original};
1262		1424
1263	if (my $uniq = $path->uniq_path) {	1425	if (my $uniq = $self->uniq_path) {
1264	utf8::encode $uniq;	1426	utf8::encode $uniq;
1265	if (aio_open $uniq, O_RDONLY, 0) {	1427	if (aio_open $uniq, O_RDONLY, 0) {
1266	$self->clear_unique_items;	1428	$self->clear_unique_items;
1267	$self->load_objects ($uniq, 0);	1429	$self->_load_objects ($uniq, 0);
1268	}	1430	}
1269	}	1431	}
		1432
		1433	Coro::cede;
1270		1434
1271	# now do the right thing for maps	1435	# now do the right thing for maps
1272	$self->link_multipart_objects;	1436	$self->link_multipart_objects;
1273		1437
1274	if ($self->{path}->is_style_map) {	1438	unless ($self->{deny_activate}) {
1275	$self->{deny_save} = 1;	1439	$self->decay_objects;
1276	$self->{deny_reset} = 1;
1277	} else {
1278	$self->fix_auto_apply;	1440	$self->fix_auto_apply;
1279	$self->decay_objects;
1280	$self->update_buttons;	1441	$self->update_buttons;
		1442	Coro::cede;
1281	$self->set_darkness_map;	1443	$self->set_darkness_map;
1282	$self->difficulty ($self->estimate_difficulty)	1444	$self->difficulty ($self->estimate_difficulty)
1283	unless $self->difficulty;	1445	unless $self->difficulty;
		1446	Coro::cede;
1284	$self->activate;	1447	$self->activate;
1285	}	1448	}
1286		1449
		1450	$self->post_load;
		1451
1287	$self->in_memory (cf::MAP_IN_MEMORY);	1452	$self->in_memory (cf::MAP_IN_MEMORY);
1288	}	1453	}
1289		1454
1290	sub load_map_sync {	1455	sub customise_for {
		1456	my ($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	$neigh->load;
		1485	}
		1486	}
		1487
		1488	sub find_sync {
1291	my ($path, $origin) = @_;	1489	my ($path, $origin) = @_;
1292		1490
1293	#warn "load_map_sync<$path, $origin>\n";#d#	1491	cf::sync_job { find $path, $origin }
		1492	}
1294		1493
1295	cf::sync_job {	1494	sub do_load_sync {
1296	my $map = cf::map::find_map $path, $origin	1495	my ($map) = @_;
1297	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;
1298	$map->load;	1518	$map->load;
1299	$map	1519
		1520	delete $MAP_PREFETCH{$path};
		1521	}
		1522	}
		1523	undef $MAP_PREFETCHER;
1300	}	1524	};
		1525	$MAP_PREFETCHER->prio (6);
		1526
		1527	()
1301	}	1528	}
1302		1529
1303	sub save {	1530	sub save {
1304	my ($self) = @_;	1531	my ($self) = @_;
1305		1532
		1533	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1534
1306	$self->{last_save} = $cf::RUNTIME;	1535	$self->{last_save} = $cf::RUNTIME;
1307		1536
1308	return unless $self->dirty;	1537	return unless $self->dirty;
1309		1538
1310	my $save = $self->{path}->save_path; utf8::encode $save;	1539	my $save = $self->save_path; utf8::encode $save;
1311	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1540	my $uniq = $self->uniq_path; utf8::encode $uniq;
1312		1541
1313	$self->{load_path} = $save;	1542	$self->{load_path} = $save;
1314		1543
1315	return if $self->{deny_save};	1544	return if $self->{deny_save};
1316		1545
1317	local $self->{last_access} = $self->last_access;#d#	1546	local $self->{last_access} = $self->last_access;#d#
1318		1547
		1548	cf::async {
		1549	$_->contr->save for $self->players;
		1550	};
		1551
1319	if ($uniq) {	1552	if ($uniq) {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1321	$self->save_objects ($uniq, cf::IO_UNIQUES);	1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1322	} else {	1555	} else {
1323	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1324	}	1557	}
1325	}	1558	}
1326		1559
1327	sub swap_out {	1560	sub swap_out {
1328	my ($self) = @_;	1561	my ($self) = @_;
1329		1562
1330	# save first because save cedes	1563	# save first because save cedes
1331	$self->save;	1564	$self->save;
		1565
		1566	my $lock = cf::lock_acquire "map_data:" . $self->path;
1332		1567
1333	return if $self->players;	1568	return if $self->players;
1334	return if $self->in_memory != cf::MAP_IN_MEMORY;	1569	return if $self->in_memory != cf::MAP_IN_MEMORY;
1335	return if $self->{deny_save};	1570	return if $self->{deny_save};
1336		1571
…		…
1340		1575
1341	sub reset_at {	1576	sub reset_at {
1342	my ($self) = @_;	1577	my ($self) = @_;
1343		1578
1344	# TODO: safety, remove and allow resettable per-player maps	1579	# TODO: safety, remove and allow resettable per-player maps
1345	return 1e99 if $self->{path}{user_rel};	1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1346	return 1e99 if $self->{deny_reset};	1581	return 1e99 if $self->{deny_reset};
1347		1582
1348	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1349	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1350		1585
…		…
1355	my ($self) = @_;	1590	my ($self) = @_;
1356		1591
1357	$self->reset_at <= $cf::RUNTIME	1592	$self->reset_at <= $cf::RUNTIME
1358	}	1593	}
1359		1594
1360	sub unlink_save {
1361	my ($self) = @_;
1362
1363	utf8::encode (my $save = $self->{path}->save_path);
1364	aioreq_pri 3; IO::AIO::aio_unlink $save;
1365	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1366	}
1367
1368	sub rename {
1369	my ($self, $new_path) = @_;
1370
1371	$self->unlink_save;
1372
1373	delete $cf::MAP{$self->path};
1374	$self->{path} = new cf::path $new_path;
1375	$self->path ($self->{path}->as_string);
1376	$cf::MAP{$self->path} = $self;
1377
1378	$self->save;
1379	}
1380
1381	sub reset {	1595	sub reset {
1382	my ($self) = @_;	1596	my ($self) = @_;
1383		1597
		1598	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1599
1384	return if $self->players;	1600	return if $self->players;
1385	return if $self->{path}{user_rel};#d#	1601	return if $self->isa ("ext::map_per_player");#d#
1386		1602
1387	warn "resetting map ", $self->path;#d#	1603	warn "resetting map ", $self->path;#d#
1388		1604
1389	delete $cf::MAP{$self->path};	1605	delete $cf::MAP{$self->path};
		1606
		1607	$self->in_memory (cf::MAP_SWAPPED);
		1608	$self->clear;
1390		1609
1391	$_->clear_links_to ($self) for values %cf::MAP;	1610	$_->clear_links_to ($self) for values %cf::MAP;
1392		1611
1393	$self->unlink_save;	1612	$self->unlink_save;
1394	$self->destroy;	1613	$self->destroy;
…		…
1397	my $nuke_counter = "aaaa";	1616	my $nuke_counter = "aaaa";
1398		1617
1399	sub nuke {	1618	sub nuke {
1400	my ($self) = @_;	1619	my ($self) = @_;
1401		1620
		1621	delete $cf::MAP{$self->path};
		1622
		1623	$self->unlink_save;
		1624
		1625	bless $self, "cf::map";
		1626	delete $self->{deny_reset};
1402	$self->{deny_save} = 1;	1627	$self->{deny_save} = 1;
1403	$self->reset_timeout (1);	1628	$self->reset_timeout (1);
1404	$self->rename ("{nuke}/" . ($nuke_counter++));	1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1630
		1631	$cf::MAP{$self->path} = $self;
		1632
1405	$self->reset; # polite request, might not happen	1633	$self->reset; # polite request, might not happen
1406	}	1634	}
1407		1635
1408	sub customise_for {	1636	=item cf::map::unique_maps
1409	my ($map, $ob) = @_;
1410		1637
1411	if ($map->per_player) {	1638	Returns an arrayref of paths of all shared maps that have
1412	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1639	instantiated unique items. May block.
1413	}
1414		1640
1415	$map	1641	=cut
1416	}
1417		1642
1418	sub emergency_save {	1643	sub unique_maps() {
1419	local $cf::FREEZE = 1;	1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1645	or return;
1420		1646
1421	warn "enter emergency map save\n";	1647	my @paths;
1422		1648
1423	cf::sync_job {	1649	for (@$files) {
1424	warn "begin emergency map save\n";	1650	utf8::decode $_;
1425	$_->save for values %cf::MAP;	1651	next if /\.pst$/;
		1652	next unless /^$PATH_SEP/o;
		1653
		1654	push @paths, cf::map::normalise $_;
1426	};	1655	}
1427		1656
1428	warn "end emergency map save\n";	1657	\@paths
1429	}	1658	}
1430		1659
1431	package cf;	1660	package cf;
1432		1661
1433	=back	1662	=back
1434		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
1435		1690
1436	=head3 cf::object::player	1691	=head3 cf::object::player
1437		1692
1438	=over 4	1693	=over 4
1439		1694
…		…
1479		1734
1480	=item $player_object->enter_link	1735	=item $player_object->enter_link
1481		1736
1482	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}>).
1483		1738
1484	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
1485	I<MUST> call C<leave_link> as soon as possible, though.	1740	I<MUST> call C<leave_link> as soon as possible, though.
1486		1741
		1742	Will never block.
		1743
1487	=item $player_object->leave_link ($map, $x, $y)	1744	=item $player_object->leave_link ($map, $x, $y)
1488		1745
1489	Moves the player out of the specila link map onto the given map. If the	1746	Moves the player out of the special C<{link}> map onto the specified
1490	map is not valid (or omitted), the player will be moved back to the	1747	map. If the map is not valid (or omitted), the player will be moved back
1491	location he/she was before the call to C<enter_link>, or, if that fails,	1748	to the location he/she was before the call to C<enter_link>, or, if that
1492	to the emergency map position.	1749	fails, to the emergency map position.
1493		1750
1494	Might block.	1751	Might block.
1495		1752
1496	=cut	1753	=cut
		1754
		1755	sub link_map {
		1756	unless ($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	$LINK_MAP
		1763	}
1497		1764
1498	sub cf::object::player::enter_link {	1765	sub cf::object::player::enter_link {
1499	my ($self) = @_;	1766	my ($self) = @_;
1500		1767
1501	$self->deactivate_recursive;	1768	$self->deactivate_recursive;
1502		1769
1503	return if $self->map == $LINK_MAP;	1770	return if UNIVERSAL::isa $self->map, "ext::map_link";
1504		1771
1505	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1506	if $self->map;	1773	if $self->map;
1507		1774
1508	$self->enter_map ($LINK_MAP, 20, 20);	1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1509	}	1776	}
1510		1777
1511	sub cf::object::player::leave_link {	1778	sub cf::object::player::leave_link {
1512	my ($self, $map, $x, $y) = @_;	1779	my ($self, $map, $x, $y) = @_;
1513		1780
1514	my $link_pos = delete $self->{_link_pos};	1781	my $link_pos = delete $self->{_link_pos};
1515		1782
1516	unless ($map) {	1783	unless ($map) {
1517	# restore original map position	1784	# restore original map position
1518	($map, $x, $y) = @{ $link_pos || [] };	1785	($map, $x, $y) = @{ $link_pos || [] };
1519	$map = cf::map::find_map $map;	1786	$map = cf::map::find $map;
1520		1787
1521	unless ($map) {	1788	unless ($map) {
1522	($map, $x, $y) = @$EMERGENCY_POSITION;	1789	($map, $x, $y) = @$EMERGENCY_POSITION;
1523	$map = cf::map::find_map $map	1790	$map = cf::map::find $map
1524	or die "FATAL: cannot load emergency map\n";	1791	or die "FATAL: cannot load emergency map\n";
1525	}	1792	}
1526	}	1793	}
1527		1794
1528	($x, $y) = (-1, -1)	1795	($x, $y) = (-1, -1)
…		…
1531	# use -1 or undef as default coordinates, not 0, 0	1798	# use -1 or undef as default coordinates, not 0, 0
1532	($x, $y) = ($map->enter_x, $map->enter_y)	1799	($x, $y) = ($map->enter_x, $map->enter_y)
1533	if $x <=0 && $y <= 0;	1800	if $x <=0 && $y <= 0;
1534		1801
1535	$map->load;	1802	$map->load;
		1803	$map->load_diag;
1536		1804
		1805	return unless $self->contr->active;
1537	$self->activate_recursive;	1806	$self->activate_recursive;
1538	$self->enter_map ($map, $x, $y);	1807	$self->enter_map ($map, $x, $y);
1539	}	1808	}
1540		1809
1541	cf::player->attach (	1810	cf::player->attach (
…		…
1554		1823
1555	# try to abort aborted map switching on player login :)	1824	# try to abort aborted map switching on player login :)
1556	# should happen only on crashes	1825	# should happen only on crashes
1557	if ($pl->ob->{_link_pos}) {	1826	if ($pl->ob->{_link_pos}) {
1558	$pl->ob->enter_link;	1827	$pl->ob->enter_link;
1559	cf::async {	1828	(async {
1560	# 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
1561	# 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);
1562	Coro::Timer::sleep 1;	1835	Coro::Timer::sleep 1;
1563	$pl->ob->leave_link;	1836	$pl->ob->leave_link;
1564	};	1837	})->prio (2);
1565	}	1838	}
1566	},	1839	},
1567	);	1840	);
1568		1841
1569	=item $player_object->goto_map ($path, $x, $y)	1842	=item $player_object->goto ($path, $x, $y)
1570		1843
1571	=cut	1844	=cut
1572		1845
1573	sub cf::object::player::goto_map {	1846	sub cf::object::player::goto {
1574	my ($self, $path, $x, $y) = @_;	1847	my ($self, $path, $x, $y) = @_;
1575		1848
1576	$self->enter_link;	1849	$self->enter_link;
1577		1850
1578	(cf::async {	1851	(async {
1579	$path = new cf::path $path;	1852	my $map = eval {
1580
1581	my $map = cf::map::find_map $path->as_string;	1853	my $map = cf::map::find $path;
1582	$map = $map->customise_for ($self) if $map;	1854	$map = $map->customise_for ($self) if $map;
1583		1855	$map
1584	# warn "entering ", $map->path, " at ($x, $y)\n"	1856	} or
1585	# if $map;
1586
1587	$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);
1588		1858
1589	$self->leave_link ($map, $x, $y);	1859	$self->leave_link ($map, $x, $y);
1590	})->prio (1);	1860	})->prio (1);
1591	}	1861	}
1592		1862
…		…
1596		1866
1597	sub parse_random_map_params {	1867	sub parse_random_map_params {
1598	my ($spec) = @_;	1868	my ($spec) = @_;
1599		1869
1600	my $rmp = { # defaults	1870	my $rmp = { # defaults
1601	xsize => 10,	1871	xsize => (cf::rndm 15, 40),
1602	ysize => 10,	1872	ysize => (cf::rndm 15, 40),
		1873	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1874	#layout => string,
1603	};	1875	};
1604		1876
1605	for (split /\n/, $spec) {	1877	for (split /\n/, $spec) {
1606	my ($k, $v) = split /\s+/, $_, 2;	1878	my ($k, $v) = split /\s+/, $_, 2;
1607		1879
…		…
1611	$rmp	1883	$rmp
1612	}	1884	}
1613		1885
1614	sub prepare_random_map {	1886	sub prepare_random_map {
1615	my ($exit) = @_;	1887	my ($exit) = @_;
		1888
		1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1616		1890
1617	# all this does is basically replace the /! path by	1891	# all this does is basically replace the /! path by
1618	# a new random map path (?random/...) with a seed	1892	# a new random map path (?random/...) with a seed
1619	# that depends on the exit object	1893	# that depends on the exit object
1620		1894
1621	my $rmp = parse_random_map_params $exit->msg;	1895	my $rmp = parse_random_map_params $exit->msg;
1622		1896
1623	if ($exit->map) {	1897	if ($exit->map) {
1624	$rmp->{region} = $exit->map->region_name;	1898	$rmp->{region} = $exit->region->name;
1625	$rmp->{origin_map} = $exit->map->path;	1899	$rmp->{origin_map} = $exit->map->path;
1626	$rmp->{origin_x} = $exit->x;	1900	$rmp->{origin_x} = $exit->x;
1627	$rmp->{origin_y} = $exit->y;	1901	$rmp->{origin_y} = $exit->y;
1628	}	1902	}
1629		1903
1630	$rmp->{random_seed} ||= $exit->random_seed;	1904	$rmp->{random_seed} ||= $exit->random_seed;
1631		1905
1632	my $data = cf::to_json $rmp;	1906	my $data = cf::to_json $rmp;
1633	my $md5 = Digest::MD5::md5_hex $data;	1907	my $md5 = Digest::MD5::md5_hex $data;
		1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1634		1909
1635	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) {
1636	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;
1637		1914
1638	$exit->slaying ("?random/$md5");	1915	$exit->slaying ("?random/$md5");
1639	$exit->msg (undef);	1916	$exit->msg (undef);
1640	}	1917	}
1641	}	1918	}
…		…
1643	sub cf::object::player::enter_exit {	1920	sub cf::object::player::enter_exit {
1644	my ($self, $exit) = @_;	1921	my ($self, $exit) = @_;
1645		1922
1646	return unless $self->type == cf::PLAYER;	1923	return unless $self->type == cf::PLAYER;
1647		1924
		1925	if ($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
1648	$self->enter_link;	1934	$self->enter_link;
1649		1935
1650	(cf::async {	1936	(async {
		1937	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	1938	unless (eval {
1652	prepare_random_map $exit	1939	$self->goto ($slaying, $hp, $sp);
1653	if $exit->slaying eq "/!";
1654
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1657		1940
1658	1;	1941	1;
1659	}) {	1942	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	1943	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "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. "
1662	. "Please report this to the dungeon master",	1945	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	1946	cf::NDI_UNIQUE | cf::NDI_RED);
1664		1947
1665	warn "ERROR in enter_exit: $@";	1948	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	1949	$self->leave_link;
1667	}	1950	}
…		…
1722	# get handled first	2005	# get handled first
1723	my $queue = delete $ns->{query_queue}	2006	my $queue = delete $ns->{query_queue}
1724	or return; # be conservative, not sure how that can happen, but we saw a crash here	2007	or return; # be conservative, not sure how that can happen, but we saw a crash here
1725		2008
1726	(shift @$queue)->[1]->($msg);	2009	(shift @$queue)->[1]->($msg);
		2010	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727		2011
1728	push @{ $ns->{query_queue} }, @$queue;	2012	push @{ $ns->{query_queue} }, @$queue;
1729		2013
1730	if (@{ $ns->{query_queue} } == @$queue) {	2014	if (@{ $ns->{query_queue} } == @$queue) {
1731	if (@$queue) {	2015	if (@$queue) {
…		…
1735	}	2019	}
1736	}	2020	}
1737	},	2021	},
1738	);	2022	);
1739		2023
1740	=item $client->coro (\&cb)	2024	=item $client->async (\&cb)
1741		2025
1742	Create a new coroutine, running the specified callback. The coroutine will	2026	Create a new coroutine, running the specified callback. The coroutine will
1743	be automatically cancelled when the client gets destroyed (e.g. on logout,	2027	be automatically cancelled when the client gets destroyed (e.g. on logout,
1744	or loss of connection).	2028	or loss of connection).
1745		2029
1746	=cut	2030	=cut
1747		2031
1748	sub cf::client::coro {	2032	sub cf::client::async {
1749	my ($self, $cb) = @_;	2033	my ($self, $cb) = @_;
1750		2034
1751	my $coro = &cf::async ($cb);	2035	my $coro = &Coro::async ($cb);
1752		2036
1753	$coro->on_destroy (sub {	2037	$coro->on_destroy (sub {
1754	delete $self->{_coro}{$coro+0};	2038	delete $self->{_coro}{$coro+0};
1755	});	2039	});
1756		2040
…		…
1950	sub db_sync() {	2234	sub db_sync() {
1951	db_save if $dirty;	2235	db_save if $dirty;
1952	undef $dirty;	2236	undef $dirty;
1953	}	2237	}
1954		2238
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2239	my $idle = Event->idle (
1956	db_sync;	2240	reentrant => 0,
		2241	min => 10,
		2242	max => 20,
		2243	repeat => 0,
		2244	data => WF_AUTOCANCEL,
		2245	cb => \&db_sync,
1957	});	2246	);
1958		2247
1959	sub db_dirty() {	2248	sub db_dirty() {
1960	$dirty = 1;	2249	$dirty = 1;
1961	$idle->start;	2250	$idle->start;
1962	}	2251	}
…		…
1983	},	2272	},
1984	);	2273	);
1985	}	2274	}
1986		2275
1987	#############################################################################	2276	#############################################################################
1988	# 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	}
1989		2283
1990	sub cfg_load {	2284	sub cfg_load {
1991	open my $fh, "<:utf8", cf::confdir . "/config"	2285	open my $fh, "<:utf8", cf::confdir . "/config"
1992	or return;	2286	or return;
1993		2287
1994	local $/;	2288	local $/;
1995	*CFG = YAML::Syck::Load <$fh>;	2289	*CFG = YAML::Syck::Load <$fh>;
1996		2290
1997	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1998		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
1999	if (exists $CFG{mlockall}) {	2296	if (exists $CFG{mlockall}) {
2000	eval {	2297	eval {
2001	$CFG{mlockall} ? &mlockall : &munlockall	2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2002	and die "WARNING: m(un)lockall failed: $!\n";	2299	and die "WARNING: m(un)lockall failed: $!\n";
2003	};	2300	};
2004	warn $@ if $@;	2301	warn $@ if $@;
2005	}	2302	}
		2303	}
		2304
		2305	sub init {
		2306	load_resources;
2006	}	2307	}
2007		2308
2008	sub main {	2309	sub main {
2009	# we must not ever block the main coroutine	2310	# we must not ever block the main coroutine
2010	local $Coro::idle = sub {	2311	local $Coro::idle = sub {
2011	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#
2012	(Coro::unblock_sub {	2313	(async {
2013	Event::one_event;	2314	Event::one_event;
2014	})->();	2315	})->prio (Coro::PRIO_MAX);
2015	};	2316	};
2016		2317
2017	cfg_load;	2318	cfg_load;
2018	db_load;	2319	db_load;
2019	load_extensions;	2320	load_extensions;
		2321
		2322	$TICK_WATCHER->start;
2020	Event::loop;	2323	Event::loop;
2021	}	2324	}
2022		2325
2023	#############################################################################	2326	#############################################################################
2024	# 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	$map->save;
		2366	}
		2367	warn "end emergency map save\n";
		2368	};
		2369
		2370	warn "leave emergency perl save\n";
		2371	}
2025		2372
2026	sub reload() {	2373	sub reload() {
2027	# can/must only be called in main	2374	# can/must only be called in main
2028	if ($Coro::current != $Coro::main) {	2375	if ($Coro::current != $Coro::main) {
2029	warn "can only reload from main coroutine\n";	2376	warn "can only reload from main coroutine";
2030	return;	2377	return;
2031	}	2378	}
2032		2379
2033	warn "reloading...";	2380	warn "reloading...";
2034		2381
2035	local $FREEZE = 1;	2382	warn "cancelling server ticker";
		2383	$TICK_WATCHER->cancel;
		2384
2036	cf::emergency_save;	2385	cf::emergency_save;
2037		2386
2038	eval {	2387	eval {
2039	# 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
2040		2389
2041	# cancel all watchers	2390	warn "syncing database to disk";
		2391	cf::db_sync;
		2392
		2393	warn "cancelling all WF_AUTOCANCEL watchers";
2042	for (Event::all_watchers) {	2394	for (Event::all_watchers) {
2043	$_->cancel if $_->data & WF_AUTOCANCEL;	2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2044	}	2396	}
2045		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
2046	# cancel all extension coros	2406	warn "cancelling all extension coros";
2047	$_->cancel for values %EXT_CORO;	2407	$_->cancel for values %EXT_CORO;
2048	%EXT_CORO = ();	2408	%EXT_CORO = ();
2049		2409
2050	# unload all extensions	2410	warn "removing commands";
2051	for (@exts) {	2411	%COMMAND = ();
		2412
		2413	warn "removing ext commands";
		2414	%EXTCMD = ();
		2415
		2416	warn "unloading/nuking all extensions";
		2417	for my $pkg (@EXTS) {
2052	warn "unloading <$_>";	2418	warn "... unloading $pkg";
2053	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: $@";
2054	}	2425	}
2055		2426
		2427	warn "... nuking $pkg";
		2428	Symbol::delete_package $pkg;
		2429	}
		2430
2056	# unload all modules loaded from $LIBDIR	2431	warn "unloading all perl modules loaded from $LIBDIR";
2057	while (my ($k, $v) = each %INC) {	2432	while (my ($k, $v) = each %INC) {
2058	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2059		2434
2060	warn "removing <$k>";	2435	warn "... unloading $k";
2061	delete $INC{$k};	2436	delete $INC{$k};
2062		2437
2063	$k =~ s/\.pm$//;	2438	$k =~ s/\.pm$//;
2064	$k =~ s/\//::/g;	2439	$k =~ s/\//::/g;
2065		2440
…		…
2068	}	2443	}
2069		2444
2070	Symbol::delete_package $k;	2445	Symbol::delete_package $k;
2071	}	2446	}
2072		2447
2073	# sync database to disk
2074	cf::db_sync;
2075	IO::AIO::flush;
2076
2077	# get rid of safe::, as good as possible	2448	warn "getting rid of safe::, as good as possible";
2078	Symbol::delete_package "safe::$_"	2449	Symbol::delete_package "safe::$_"
2079	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);
2080		2451
2081	# remove register_script_function callbacks
2082	# TODO
2083
2084	# unload cf.pm "a bit"	2452	warn "unloading cf.pm \"a bit\"";
2085	delete $INC{"cf.pm"};	2453	delete $INC{"cf.pm"};
2086		2454
2087	# don't, removes xs symbols, too,	2455	# don't, removes xs symbols, too,
2088	# and global variables created in xs	2456	# and global variables created in xs
2089	#Symbol::delete_package __PACKAGE__;	2457	#Symbol::delete_package __PACKAGE__;
2090		2458
2091	# reload cf.pm	2459	warn "unload completed, starting to reload now";
		2460
2092	warn "reloading cf.pm";	2461	warn "reloading cf.pm";
2093	require cf;	2462	require cf;
2094	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2095		2464
2096	# load config and database again	2465	warn "loading config and database again";
2097	cf::cfg_load;	2466	cf::cfg_load;
2098	cf::db_load;	2467	cf::db_load;
2099		2468
2100	# load extensions
2101	warn "load extensions";	2469	warn "loading extensions";
2102	cf::load_extensions;	2470	cf::load_extensions;
2103		2471
2104	# reattach attachments to objects	2472	warn "reattaching attachments to objects/players";
2105	warn "reattach";
2106	_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	$TICK_WATCHER->start;
2107	};	2483	};
2108		2484
2109	if ($@) {	2485	if ($@) {
2110	warn $@;	2486	warn $@;
2111	warn "error while reloading, exiting.";	2487	warn "error while reloading, exiting.";
2112	exit 1;	2488	exit 1;
2113	}	2489	}
2114		2490
2115	warn "reloaded successfully";	2491	warn "reloaded";
2116	};	2492	};
2117		2493
2118	#############################################################################	2494	our $RELOAD_WATCHER; # used only during reload
2119
2120	unless ($LINK_MAP) {
2121	$LINK_MAP = cf::map::new;
2122
2123	$LINK_MAP->width (41);
2124	$LINK_MAP->height (41);
2125	$LINK_MAP->alloc;
2126	$LINK_MAP->path ("{link}");
2127	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2128	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2129
2130	# dirty hack because... archetypes are not yet loaded
2131	Event->timer (
2132	after => 2,
2133	cb => sub {
2134	$_[0]->w->cancel;
2135
2136	# provide some exits "home"
2137	my $exit = cf::object::new "exit";
2138
2139	$exit->slaying ($EMERGENCY_POSITION->[0]);
2140	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2141	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2142
2143	$LINK_MAP->insert ($exit->clone, 19, 19);
2144	$LINK_MAP->insert ($exit->clone, 19, 20);
2145	$LINK_MAP->insert ($exit->clone, 19, 21);
2146	$LINK_MAP->insert ($exit->clone, 20, 19);
2147	$LINK_MAP->insert ($exit->clone, 20, 21);
2148	$LINK_MAP->insert ($exit->clone, 21, 19);
2149	$LINK_MAP->insert ($exit->clone, 21, 20);
2150	$LINK_MAP->insert ($exit->clone, 21, 21);
2151
2152	$exit->destroy;
2153	});
2154
2155	$LINK_MAP->{deny_save} = 1;
2156	$LINK_MAP->{deny_reset} = 1;
2157
2158	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2159	}
2160
2161	register "<global>", __PACKAGE__;
2162		2495
2163	register_command "reload" => sub {	2496	register_command "reload" => sub {
2164	my ($who, $arg) = @_;	2497	my ($who, $arg) = @_;
2165		2498
2166	if ($who->flag (FLAG_WIZ)) {	2499	if ($who->flag (FLAG_WIZ)) {
2167	$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 {
2168	reload;	2510	reload;
2169	$who->message ("end of reload.");	2511	undef $RELOAD_WATCHER;
		2512	},
		2513	);
2170	}	2514	}
2171	};	2515	};
2172		2516
2173	unshift @INC, $LIBDIR;	2517	unshift @INC, $LIBDIR;
		2518
		2519	my $bug_warning = 0;
2174		2520
2175	$TICK_WATCHER = Event->timer (	2521	$TICK_WATCHER = Event->timer (
2176	reentrant => 0,	2522	reentrant => 0,
		2523	parked => 1,
2177	prio => 0,	2524	prio => 0,
2178	at => $NEXT_TICK || $TICK,	2525	at => $NEXT_TICK || $TICK,
2179	data => WF_AUTOCANCEL,	2526	data => WF_AUTOCANCEL,
2180	cb => sub {	2527	cb => sub {
2181	unless ($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
2182	cf::server_tick; # one server iteration	2536	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2537	$RUNTIME += $TICK;
2184	}
2185
2186	$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#
2187		2548
2188	# 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
2189	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2190		2551
2191	$TICK_WATCHER->at ($NEXT_TICK);	2552	$TICK_WATCHER->at ($NEXT_TICK);
2192	$TICK_WATCHER->start;	2553	$TICK_WATCHER->start;
2193	},	2554	},
2194	);	2555	);
2195		2556
2196	IO::AIO::max_poll_time $TICK * 0.2;	2557	IO::AIO::max_poll_time $TICK * 0.1;
2197		2558
2198	Event->io (	2559	undef $Coro::AIO::WATCHER;
		2560	$AIO_POLL_WATCHER = Event->io (
		2561	reentrant => 0,
2199	fd => IO::AIO::poll_fileno,	2562	fd => IO::AIO::poll_fileno,
2200	poll => 'r',	2563	poll => 'r',
2201	prio => 5,	2564	prio => 6,
2202	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2203	cb => \&IO::AIO::poll_cb,	2566	cb => \&IO::AIO::poll_cb,
2204	);	2567	);
2205		2568
2206	Event->timer (	2569	$WRITE_RUNTIME_WATCHER = Event->timer (
		2570	reentrant => 0,
2207	data => WF_AUTOCANCEL,	2571	data => WF_AUTOCANCEL,
2208	after => 0,	2572	after => 1,
2209	interval => 10,	2573	interval => 10,
2210	cb => sub {	2574	prio => 6, # keep it lowest so it acts like a watchdog
2211	(Coro::unblock_sub {	2575	cb => Coro::unblock_sub {
2212	write_runtime	2576	write_runtime
2213	or warn "ERROR: unable to write runtime file: $!";	2577	or warn "ERROR: unable to write runtime file: $!";
2214	})->();
2215	},	2578	},
2216	);	2579	);
2217		2580
2218	END { cf::emergency_save }	2581	END { cf::emergency_save }
2219		2582

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