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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.131 by root, Thu Jan 4 00:53:54 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
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	93	our $EMERGENCY_POSITION;
		94
		95	sub cf::map::normalise;
77		96
78	#############################################################################	97	#############################################################################
79		98
80	=head2 GLOBAL VARIABLES	99	=head2 GLOBAL VARIABLES
81		100
…		…
105		124
106	=item %cf::CFG	125	=item %cf::CFG
107		126
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	127	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		136
111	=back	137	=back
112		138
113	=cut	139	=cut
114		140
…		…
118	utf8::encode $msg;	144	utf8::encode $msg;
119		145
120	$msg .= "\n"	146	$msg .= "\n"
121	unless $msg =~ /\n$/;	147	unless $msg =~ /\n$/;
122		148
123	LOG llevError, "cfperl: $msg";	149	LOG llevError, $msg;
124	};	150	};
125	}	151	}
126		152
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		172
147	$Event::DIED = sub {	173	$Event::DIED = sub {
148	warn "error in event callback: @_";	174	warn "error in event callback: @_";
149	};	175	};
150		176
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	177	=head2 UTILITY FUNCTIONS
156		178
157	=over 4	179	=over 4
158		180
		181	=item dumpval $ref
		182
159	=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	}
160		203
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	204	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		205
163	=item $ref = cf::from_json $json	206	=item $ref = cf::from_json $json
164		207
…		…
180	sub to_json($) {	223	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]	225	JSON::Syck::Dump $_[0]
183	}	226	}
184		227
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	228	=item cf::lock_wait $string
208		229
209	Wait until the given lock is available. See cf::lock_acquire.	230	Wait until the given lock is available. See cf::lock_acquire.
210		231
211	=item my $lock = cf::lock_acquire $string	232	=item my $lock = cf::lock_acquire $string
212		233
213	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
214	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,
215	for example when the coroutine gets canceled), the lock is automatically	236	for example when the coroutine gets canceled), the lock is automatically
216	returned.	237	returned.
217		238
218	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
219	uses map_find and load_map uses map_load).	240	uses map_find and cf::map::load uses map_load).
220		241
221	=cut	242	=cut
222		243
223	our %LOCK;	244	our %LOCK;
224		245
…		…
238	# wait, to be sure we are not locked	259	# wait, to be sure we are not locked
239	lock_wait $key;	260	lock_wait $key;
240		261
241	$LOCK{$key} = [];	262	$LOCK{$key} = [];
242		263
243	cf::guard {	264	Coro::guard {
244	# wake up all waiters, to be on the safe side	265	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	266	$_->ready for @{ delete $LOCK{$key} };
246	}	267	}
247	}	268	}
248		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	$guard
		280	}
		281
249	=item cf::async { BLOCK }	282	=item cf::async { BLOCK }
250		283
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	284	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	285	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		286	thing you are allowed to do is call C<prio> on it.
253		287
254	=cut	288	=cut
255		289
256	sub async(&) {	290	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		291
265	=item cf::sync_job { BLOCK }	292	=item cf::sync_job { BLOCK }
266		293
267	The design of crossfire+ requires that the main coro ($Coro::main) is	294	The design of crossfire+ requires that the main coro ($Coro::main) is
268	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
…		…
282	# this is the main coro, too bad, we have to block	309	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	310	# till the operation succeeds, freezing the server :/
284		311
285	# TODO: use suspend/resume instead	312	# TODO: use suspend/resume instead
286	# (but this is cancel-safe)	313	# (but this is cancel-safe)
287	local $FREEZE = 1;	314	my $freeze_guard = freeze_mainloop;
288		315
289	my $busy = 1;	316	my $busy = 1;
290	my @res;	317	my @res;
291		318
292	(Coro::async {	319	(async {
293	@res = eval { $job->() };	320	@res = eval { $job->() };
294	warn $@ if $@;	321	warn $@ if $@;
295	undef $busy;	322	undef $busy;
296	})->prio (Coro::PRIO_MAX);	323	})->prio (Coro::PRIO_MAX);
297		324
298	while ($busy) {	325	while ($busy) {
299	Coro::cede_notself;	326	Coro::cede or Event::one_event;
300	Event::one_event unless Coro::nready;
301	}	327	}
302		328
303	wantarray ? @res : $res[0]	329	wantarray ? @res : $res[0]
304	} else {	330	} else {
305	# we are in another coroutine, how wonderful, everything just works	331	# we are in another coroutine, how wonderful, everything just works
306		332
307	$job->()	333	$job->()
308	}	334	}
309	}	335	}
310		336
311	=item $coro = cf::coro { BLOCK }	337	=item $coro = cf::async_ext { BLOCK }
312		338
313	Creates and returns a new coro. This coro is automcatially being canceled	339	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	340	extension calling this is being unloaded.
315		341
316	=cut	342	=cut
317		343
318	sub coro(&) {	344	sub async_ext(&) {
319	my $cb = shift;	345	my $cb = shift;
320		346
321	my $coro = &cf::async ($cb);	347	my $coro = &Coro::async ($cb);
322		348
323	$coro->on_destroy (sub {	349	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	350	delete $EXT_CORO{$coro+0};
325	});	351	});
326	$EXT_CORO{$coro+0} = $coro;	352	$EXT_CORO{$coro+0} = $coro;
…		…
332	my $runtime = cf::localdir . "/runtime";	358	my $runtime = cf::localdir . "/runtime";
333		359
334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
335	or return;	361	or return;
336		362
		363	my $value = $cf::RUNTIME + 90 + 10;
337	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
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0	367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;	368	and return;
340		369
		370	# always fsync - this file is important
341	aio_fsync $fh	371	aio_fsync $fh
342	and return;	372	and return;
343		373
344	close $fh	374	close $fh
345	or return;	375	or return;
…		…
351	}	381	}
352		382
353	=back	383	=back
354		384
355	=cut	385	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($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		386
477	#############################################################################	387	#############################################################################
478		388
479	=head2 ATTACHABLE OBJECTS	389	=head2 ATTACHABLE OBJECTS
480		390
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	516	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	517	our @CB_MAP = ();
608		518
609	my %attachment;	519	my %attachment;
610		520
		521	sub cf::attachable::thawer_merge {
		522	# simply override everything except _meta
		523	local $_[0]{_meta};
		524	%{$_[0]} = %{$_[1]};
		525	}
		526
611	sub _attach_cb($$$$) {	527	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	528	my ($registry, $event, $prio, $cb) = @_;
613		529
614	use sort 'stable';	530	use sort 'stable';
615		531
…		…
786	# object support	702	# object support
787		703
788	sub reattach {	704	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	705	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	706	my ($obj) = @_;
		707
		708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		709
792	my $registry = $obj->registry;	710	my $registry = $obj->registry;
793		711
794	@$registry = ();	712	@$registry = ();
795		713
…		…
842	$filename, length $$rdata, scalar @$objs;	760	$filename, length $$rdata, scalar @$objs;
843		761
844	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
845	chmod SAVE_MODE, $fh;	763	chmod SAVE_MODE, $fh;
846	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
847	aio_fsync $fh;	765	aio_fsync $fh if $cf::USE_FSYNC;
848	close $fh;	766	close $fh;
849		767
850	if (@$objs) {	768	if (@$objs) {
851	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) {
852	chmod SAVE_MODE, $fh;	770	chmod SAVE_MODE, $fh;
853	my $data = Storable::nfreeze { version => 1, objs => $objs };	771	my $data = Storable::nfreeze { version => 1, objs => $objs };
854	aio_write $fh, 0, (length $data), $data, 0;	772	aio_write $fh, 0, (length $data), $data, 0;
855	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
856	close $fh;	774	close $fh;
857	aio_rename "$filename.pst~", "$filename.pst";	775	aio_rename "$filename.pst~", "$filename.pst";
858	}	776	}
859	} else {	777	} else {
860	aio_unlink "$filename.pst";	778	aio_unlink "$filename.pst";
…		…
866	}	784	}
867	} else {	785	} else {
868	aio_unlink $filename;	786	aio_unlink $filename;
869	aio_unlink "$filename.pst";	787	aio_unlink "$filename.pst";
870	}	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	}
871	}	795	}
872	}	796	}
873		797
874	sub object_freezer_as_string {	798	sub object_freezer_as_string {
875	my ($rdata, $objs) = @_;	799	my ($rdata, $objs) = @_;
…		…
881		805
882	sub object_thawer_load {	806	sub object_thawer_load {
883	my ($filename) = @_;	807	my ($filename) = @_;
884		808
885	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$//;
886		813
887	(aio_load $filename, $data) >= 0	814	(aio_load $filename, $data) >= 0
888	or return;	815	or return;
889		816
890	unless (aio_stat "$filename.pst") {	817	unless (aio_stat "$filename.pst") {
…		…
927	=cut	854	=cut
928		855
929	sub register_extcmd {	856	sub register_extcmd {
930	my ($name, $cb) = @_;	857	my ($name, $cb) = @_;
931		858
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	859	$EXTCMD{$name} = $cb;
936	}	860	}
937		861
938	cf::player->attach (	862	cf::player->attach (
939	on_command => sub {	863	on_command => sub {
940	my ($pl, $name, $params) = @_;	864	my ($pl, $name, $params) = @_;
…		…
953		877
954	my $msg = eval { from_json $buf };	878	my $msg = eval { from_json $buf };
955		879
956	if (ref $msg) {	880	if (ref $msg) {
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	882	if (my %reply = $cb->($pl, $msg)) {
959	$pl->ext_reply ($msg->{msgid}, %reply);	883	$pl->ext_reply ($msg->{msgid}, %reply);
960	}	884	}
961	}	885	}
962	} else {	886	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
965		889
966	cf::override;	890	cf::override;
967	},	891	},
968	);	892	);
969		893
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	894	sub load_extension {
977	my ($path) = @_;	895	my ($path) = @_;
978		896
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
980	my $base = $1;	898	my $base = $1;
981	my $pkg = $1;	899	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;	900	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";	901	$pkg = "ext::$pkg";
984		902
985	warn "loading '$path' into '$pkg'\n";	903	warn "... loading '$path' into '$pkg'\n";
986		904
987	open my $fh, "<:utf8", $path	905	open my $fh, "<:utf8", $path
988	or die "$path: $!";	906	or die "$path: $!";
989		907
990	my $source =	908	my $source =
991	"package $pkg; use strict; use utf8;\n"	909	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"	910	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })	911	. (do { local $/; <$fh> })
994	. "\n};\n1";	912	. "\n};\n1";
995		913
996	eval $source	914	unless (eval $source) {
997	or die $@ ? "$path: $@\n"	915	my $msg = $@ ? "$path: $@\n"
998	: "extension disabled.\n";	916	: "extension disabled.\n";
999		917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000	push @exts, $pkg;	918	warn $@;
1001	$ext_pkg{$base} = $pkg;	919	warn "mandatory extension failed to load, exiting.\n";
1002		920	exit 1;
1003	# no strict 'refs';	921	}
1004	# @{"$pkg\::ISA"} = ext::;	922	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	# }	923	}
1019		924
1020	# remove commands	925	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	}	926	}
1045		927
1046	sub load_extensions {	928	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {	929	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	930	next unless -r $ext;
…		…
1052	} or warn "$ext not loaded: $@";	934	} or warn "$ext not loaded: $@";
1053	}	935	}
1054	}	936	}
1055		937
1056	#############################################################################	938	#############################################################################
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		939
1094	=head2 CORE EXTENSIONS	940	=head2 CORE EXTENSIONS
1095		941
1096	Functions and methods that extend core crossfire objects.	942	Functions and methods that extend core crossfire objects.
1097		943
		944	=cut
		945
		946	package cf::player;
		947
		948	use Coro::AIO;
		949
1098	=head3 cf::player	950	=head3 cf::player
1099		951
1100	=over 4	952	=over 4
1101		953
1102	=item cf::player::exists $login	954	=item cf::player::find $login
1103		955
1104	Returns true when the given account exists.	956	Returns the given player object, loading it if necessary (might block).
1105		957
1106	=cut	958	=cut
1107		959
1108	sub cf::player::exists($) {	960	sub playerdir($) {
1109	cf::player::find $_[0]	961	cf::localdir
1110	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
1111	}	1108	}
1112		1109
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1110	=item $player->ext_reply ($msgid, $msgtype, %msg)
1114		1111
1115	Sends an ext reply to the player.	1112	Sends an ext reply to the player.
1116		1113
1117	=cut	1114	=cut
1118		1115
1119	sub cf::player::ext_reply($$$%) {	1116	sub ext_reply($$$%) {
1120	my ($self, $id, %msg) = @_;	1117	my ($self, $id, %msg) = @_;
1121		1118
1122	$msg{msgid} = $id;	1119	$msg{msgid} = $id;
1123		1120
1124	$self->send ("ext " . to_json \%msg);	1121	$self->send ("ext " . cf::to_json \%msg);
1125	}	1122	}
		1123
		1124	package cf;
1126		1125
1127	=back	1126	=back
1128		1127
1129		1128
1130	=head3 cf::map	1129	=head3 cf::map
…		…
1136	package cf::map;	1135	package cf::map;
1137		1136
1138	use Fcntl;	1137	use Fcntl;
1139	use Coro::AIO;	1138	use Coro::AIO;
1140		1139
		1140	use overload
		1141	'""' => \&as_string,
		1142	fallback => 1;
		1143
1141	our $MAX_RESET = 7200;	1144	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1145	our $DEFAULT_RESET = 3000;
1143		1146
1144	sub generate_random_map {	1147	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1148	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1149	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1150	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1154	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1155	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$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},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(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
1161	}	1292	}
1162		1293
1163	# and all this just because we cannot iterate over	1294	# and all this just because we cannot iterate over
1164	# all maps in C++...	1295	# all maps in C++...
1165	sub change_all_map_light {	1296	sub change_all_map_light {
…		…
1167		1298
1168	$_->change_map_light ($change)	1299	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1300	for grep $_->outdoor, values %cf::MAP;
1170	}	1301	}
1171		1302
		1303	sub unlink_save {
		1304	my ($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
1172	sub try_load_header($) {	1316	sub load_header_from($) {
1173	my ($path) = @_;	1317	my ($self, $path) = @_;
1174		1318
1175	utf8::encode $path;	1319	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1320	#aio_open $path, O_RDONLY, 0
		1321	# or return;
		1322
		1323	$self->_load_header ($path)
1177	or return;	1324	or return;
1178		1325
1179	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
1180	or return;	1369	or return;
		1370	$self->prepare_orig;
		1371	}
1181		1372
1182	$map->load_header ($path)	1373	1
1183	or return;
1184
1185	$map->{load_path} = $path;
1186
1187	$map
1188	}	1374	}
1189		1375
1190	sub find_map;	1376	sub find;
1191	sub find_map {	1377	sub find {
1192	my ($path, $origin) = @_;	1378	my ($path, $origin) = @_;
1193		1379
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1380	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1381
1199	cf::lock_wait "map_find:$key";	1382	cf::lock_wait "map_find:$path";
1200		1383
1201	$cf::MAP{$key} || do {	1384	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1385	my $guard = cf::lock_acquire "map_find:$path";
1203		1386	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	# safety
1209	$map->{instantiate_time} = $cf::RUNTIME
1210	if $map->{instantiate_time} > $cf::RUNTIME;
1211	} else {
1212	if (my $rmp = $path->random_map_params) {
1213	$map = generate_random_map $key, $rmp;
1214	} else {
1215	$map = try_load_header $path->load_path;
1216	}
1217
1218	$map or return;	1387	or return;
1219		1388
1220	$map->{load_original} = 1;
1221	$map->{instantiate_time} = $cf::RUNTIME;
1222	$map->instantiate;
1223
1224	# per-player maps become, after loading, normal maps
1225	$map->per_player (0) if $path->{user_rel};
1226	}
1227
1228	$map->path ($key);
1229	$map->{path} = $path;
1230	$map->{last_save} = $cf::RUNTIME;	1389	$map->{last_save} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232		1390
1233	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;
1234	$map->reset;	1397	$map->reset;
1235	undef $guard;	1398	undef $guard;
1236	$map = find_map $path	1399	return find $path;
1237	or return;
1238	}	1400	}
1239		1401
1240	$cf::MAP{$key} = $map	1402	$cf::MAP{$path} = $map
1241	}	1403	}
1242	}	1404	}
		1405
		1406	sub pre_load { }
		1407	sub post_load { }
1243		1408
1244	sub load {	1409	sub load {
1245	my ($self) = @_;	1410	my ($self) = @_;
1246		1411
		1412	local $self->{deny_reset} = 1; # loading can take a long time
		1413
1247	my $path = $self->{path};	1414	my $path = $self->{path};
1248	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1415	my $guard = cf::lock_acquire "map_load:$path";
1249		1416
1250	return if $self->in_memory != cf::MAP_SWAPPED;	1417	return if $self->in_memory != cf::MAP_SWAPPED;
1251		1418
1252	$self->in_memory (cf::MAP_LOADING);	1419	$self->in_memory (cf::MAP_LOADING);
1253		1420
1254	$self->alloc;	1421	$self->alloc;
		1422
		1423	$self->pre_load;
		1424
1255	$self->load_objects ($self->{load_path}, 1)	1425	$self->_load_objects ($self->{load_path}, 1)
1256	or return;	1426	or return;
1257		1427
1258	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1259	if delete $self->{load_original};	1429	if delete $self->{load_original};
1260		1430
1261	if (my $uniq = $path->uniq_path) {	1431	if (my $uniq = $self->uniq_path) {
1262	utf8::encode $uniq;	1432	utf8::encode $uniq;
1263	if (aio_open $uniq, O_RDONLY, 0) {	1433	if (aio_open $uniq, O_RDONLY, 0) {
1264	$self->clear_unique_items;	1434	$self->clear_unique_items;
1265	$self->load_objects ($uniq, 0);	1435	$self->_load_objects ($uniq, 0);
1266	}	1436	}
1267	}	1437	}
		1438
		1439	Coro::cede;
1268		1440
1269	# now do the right thing for maps	1441	# now do the right thing for maps
1270	$self->link_multipart_objects;	1442	$self->link_multipart_objects;
1271		1443
1272	if ($self->{path}->is_style_map) {	1444	unless ($self->{deny_activate}) {
1273	$self->{deny_save} = 1;	1445	$self->decay_objects;
1274	$self->{deny_reset} = 1;
1275	} else {
1276	$self->fix_auto_apply;	1446	$self->fix_auto_apply;
1277	$self->decay_objects;
1278	$self->update_buttons;	1447	$self->update_buttons;
		1448	Coro::cede;
1279	$self->set_darkness_map;	1449	$self->set_darkness_map;
1280	$self->difficulty ($self->estimate_difficulty)	1450	$self->difficulty ($self->estimate_difficulty)
1281	unless $self->difficulty;	1451	unless $self->difficulty;
		1452	Coro::cede;
1282	$self->activate;	1453	$self->activate;
1283	}	1454	}
1284		1455
		1456	$self->post_load;
		1457
1285	$self->in_memory (cf::MAP_IN_MEMORY);	1458	$self->in_memory (cf::MAP_IN_MEMORY);
1286	}	1459	}
1287		1460
1288	sub load_map_sync {	1461	sub customise_for {
		1462	my ($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	$neigh->load;
		1491	}
		1492	}
		1493
		1494	sub find_sync {
1289	my ($path, $origin) = @_;	1495	my ($path, $origin) = @_;
1290		1496
1291	#warn "load_map_sync<$path, $origin>\n";#d#	1497	cf::sync_job { find $path, $origin }
		1498	}
1292		1499
1293	cf::sync_job {	1500	sub do_load_sync {
1294	my $map = cf::map::find_map $path, $origin	1501	my ($map) = @_;
1295	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;
1296	$map->load;	1524	$map->load;
1297	$map	1525
		1526	delete $MAP_PREFETCH{$path};
		1527	}
		1528	}
		1529	undef $MAP_PREFETCHER;
1298	}	1530	};
		1531	$MAP_PREFETCHER->prio (6);
		1532
		1533	()
1299	}	1534	}
1300		1535
1301	sub save {	1536	sub save {
1302	my ($self) = @_;	1537	my ($self) = @_;
1303		1538
		1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1540
1304	$self->{last_save} = $cf::RUNTIME;	1541	$self->{last_save} = $cf::RUNTIME;
1305		1542
1306	return unless $self->dirty;	1543	return unless $self->dirty;
1307		1544
1308	my $save = $self->{path}->save_path; utf8::encode $save;	1545	my $save = $self->save_path; utf8::encode $save;
1309	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1546	my $uniq = $self->uniq_path; utf8::encode $uniq;
1310		1547
1311	$self->{load_path} = $save;	1548	$self->{load_path} = $save;
1312		1549
1313	return if $self->{deny_save};	1550	return if $self->{deny_save};
1314		1551
		1552	local $self->{last_access} = $self->last_access;#d#
		1553
		1554	cf::async {
		1555	$_->contr->save for $self->players;
		1556	};
		1557
1315	if ($uniq) {	1558	if ($uniq) {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1317	$self->save_objects ($uniq, cf::IO_UNIQUES);	1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1318	} else {	1561	} else {
1319	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1320	}	1563	}
1321	}	1564	}
1322		1565
1323	sub swap_out {	1566	sub swap_out {
1324	my ($self) = @_;	1567	my ($self) = @_;
1325		1568
1326	# save first because save cedes	1569	# save first because save cedes
1327	$self->save;	1570	$self->save;
		1571
		1572	my $lock = cf::lock_acquire "map_data:" . $self->path;
1328		1573
1329	return if $self->players;	1574	return if $self->players;
1330	return if $self->in_memory != cf::MAP_IN_MEMORY;	1575	return if $self->in_memory != cf::MAP_IN_MEMORY;
1331	return if $self->{deny_save};	1576	return if $self->{deny_save};
1332		1577
…		…
1336		1581
1337	sub reset_at {	1582	sub reset_at {
1338	my ($self) = @_;	1583	my ($self) = @_;
1339		1584
1340	# TODO: safety, remove and allow resettable per-player maps	1585	# TODO: safety, remove and allow resettable per-player maps
1341	return 1e99 if $self->{path}{user_rel};	1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1342	return 1e99 if $self->{deny_reset};	1587	return 1e99 if $self->{deny_reset};
1343		1588
1344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1345	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1346		1591
…		…
1351	my ($self) = @_;	1596	my ($self) = @_;
1352		1597
1353	$self->reset_at <= $cf::RUNTIME	1598	$self->reset_at <= $cf::RUNTIME
1354	}	1599	}
1355		1600
1356	sub unlink_save {
1357	my ($self) = @_;
1358
1359	utf8::encode (my $save = $self->{path}->save_path);
1360	aioreq_pri 3; IO::AIO::aio_unlink $save;
1361	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1362	}
1363
1364	sub rename {
1365	my ($self, $new_path) = @_;
1366
1367	$self->unlink_save;
1368
1369	delete $cf::MAP{$self->path};
1370	$self->{path} = new cf::path $new_path;
1371	$self->path ($self->{path}->as_string);
1372	$cf::MAP{$self->path} = $self;
1373
1374	$self->save;
1375	}
1376
1377	sub reset {	1601	sub reset {
1378	my ($self) = @_;	1602	my ($self) = @_;
1379		1603
		1604	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1605
1380	return if $self->players;	1606	return if $self->players;
1381	return if $self->{path}{user_rel};#d#	1607	return if $self->isa ("ext::map_per_player");#d#
1382		1608
1383	warn "resetting map ", $self->path;#d#	1609	warn "resetting map ", $self->path;#d#
1384		1610
1385	delete $cf::MAP{$self->path};	1611	delete $cf::MAP{$self->path};
		1612
		1613	$self->in_memory (cf::MAP_SWAPPED);
		1614	$self->clear;
1386		1615
1387	$_->clear_links_to ($self) for values %cf::MAP;	1616	$_->clear_links_to ($self) for values %cf::MAP;
1388		1617
1389	$self->unlink_save;	1618	$self->unlink_save;
1390	$self->destroy;	1619	$self->destroy;
…		…
1393	my $nuke_counter = "aaaa";	1622	my $nuke_counter = "aaaa";
1394		1623
1395	sub nuke {	1624	sub nuke {
1396	my ($self) = @_;	1625	my ($self) = @_;
1397		1626
		1627	delete $cf::MAP{$self->path};
		1628
		1629	$self->unlink_save;
		1630
		1631	bless $self, "cf::map";
		1632	delete $self->{deny_reset};
1398	$self->{deny_save} = 1;	1633	$self->{deny_save} = 1;
1399	$self->reset_timeout (1);	1634	$self->reset_timeout (1);
1400	$self->rename ("{nuke}/" . ($nuke_counter++));	1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1636
		1637	$cf::MAP{$self->path} = $self;
		1638
1401	$self->reset; # polite request, might not happen	1639	$self->reset; # polite request, might not happen
1402	}	1640	}
1403		1641
1404	sub customise_for {	1642	=item cf::map::unique_maps
1405	my ($map, $ob) = @_;
1406		1643
1407	if ($map->per_player) {	1644	Returns an arrayref of paths of all shared maps that have
1408	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1645	instantiated unique items. May block.
1409	}
1410		1646
1411	$map	1647	=cut
1412	}
1413		1648
1414	sub emergency_save {	1649	sub unique_maps() {
1415	local $cf::FREEZE = 1;	1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1651	or return;
1416		1652
1417	warn "enter emergency map save\n";	1653	my @paths;
1418		1654
1419	cf::sync_job {	1655	for (@$files) {
1420	warn "begin emergency map save\n";	1656	utf8::decode $_;
1421	$_->save for values %cf::MAP;	1657	next if /\.pst$/;
		1658	next unless /^$PATH_SEP/o;
		1659
		1660	push @paths, cf::map::normalise $_;
1422	};	1661	}
1423		1662
1424	warn "end emergency map save\n";	1663	\@paths
1425	}	1664	}
1426		1665
1427	package cf;	1666	package cf;
1428		1667
1429	=back	1668	=back
1430		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
1431		1696
1432	=head3 cf::object::player	1697	=head3 cf::object::player
1433		1698
1434	=over 4	1699	=over 4
1435		1700
…		…
1475		1740
1476	=item $player_object->enter_link	1741	=item $player_object->enter_link
1477		1742
1478	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}>).
1479		1744
1480	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
1481	I<MUST> call C<leave_link> as soon as possible, though.	1746	I<MUST> call C<leave_link> as soon as possible, though.
1482		1747
		1748	Will never block.
		1749
1483	=item $player_object->leave_link ($map, $x, $y)	1750	=item $player_object->leave_link ($map, $x, $y)
1484		1751
1485	Moves the player out of the specila link map onto the given map. If the	1752	Moves the player out of the special C<{link}> map onto the specified
1486	map is not valid (or omitted), the player will be moved back to the	1753	map. If the map is not valid (or omitted), the player will be moved back
1487	location he/she was before the call to C<enter_link>, or, if that fails,	1754	to the location he/she was before the call to C<enter_link>, or, if that
1488	to the emergency map position.	1755	fails, to the emergency map position.
1489		1756
1490	Might block.	1757	Might block.
1491		1758
1492	=cut	1759	=cut
		1760
		1761	sub link_map {
		1762	unless ($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	$LINK_MAP
		1769	}
1493		1770
1494	sub cf::object::player::enter_link {	1771	sub cf::object::player::enter_link {
1495	my ($self) = @_;	1772	my ($self) = @_;
1496		1773
1497	$self->deactivate_recursive;	1774	$self->deactivate_recursive;
1498		1775
1499	return if $self->map == $LINK_MAP;	1776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1500		1777
1501	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1502	if $self->map;	1779	if $self->map;
1503		1780
1504	$self->enter_map ($LINK_MAP, 20, 20);	1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1505	}	1782	}
1506		1783
1507	sub cf::object::player::leave_link {	1784	sub cf::object::player::leave_link {
1508	my ($self, $map, $x, $y) = @_;	1785	my ($self, $map, $x, $y) = @_;
1509		1786
1510	my $link_pos = delete $self->{_link_pos};	1787	my $link_pos = delete $self->{_link_pos};
1511		1788
1512	unless ($map) {	1789	unless ($map) {
1513	# restore original map position	1790	# restore original map position
1514	($map, $x, $y) = @{ $link_pos || [] };	1791	($map, $x, $y) = @{ $link_pos || [] };
1515	$map = cf::map::find_map $map;	1792	$map = cf::map::find $map;
1516		1793
1517	unless ($map) {	1794	unless ($map) {
1518	($map, $x, $y) = @$EMERGENCY_POSITION;	1795	($map, $x, $y) = @$EMERGENCY_POSITION;
1519	$map = cf::map::find_map $map	1796	$map = cf::map::find $map
1520	or die "FATAL: cannot load emergency map\n";	1797	or die "FATAL: cannot load emergency map\n";
1521	}	1798	}
1522	}	1799	}
1523		1800
1524	($x, $y) = (-1, -1)	1801	($x, $y) = (-1, -1)
…		…
1527	# use -1 or undef as default coordinates, not 0, 0	1804	# use -1 or undef as default coordinates, not 0, 0
1528	($x, $y) = ($map->enter_x, $map->enter_y)	1805	($x, $y) = ($map->enter_x, $map->enter_y)
1529	if $x <=0 && $y <= 0;	1806	if $x <=0 && $y <= 0;
1530		1807
1531	$map->load;	1808	$map->load;
		1809	$map->load_diag;
1532		1810
		1811	return unless $self->contr->active;
1533	$self->activate_recursive;	1812	$self->activate_recursive;
1534	$self->enter_map ($map, $x, $y);	1813	$self->enter_map ($map, $x, $y);
1535	}	1814	}
1536		1815
1537	cf::player->attach (	1816	cf::player->attach (
…		…
1550		1829
1551	# try to abort aborted map switching on player login :)	1830	# try to abort aborted map switching on player login :)
1552	# should happen only on crashes	1831	# should happen only on crashes
1553	if ($pl->ob->{_link_pos}) {	1832	if ($pl->ob->{_link_pos}) {
1554	$pl->ob->enter_link;	1833	$pl->ob->enter_link;
1555	cf::async {	1834	(async {
1556	# 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
1557	# 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);
1558	Coro::Timer::sleep 1;	1841	Coro::Timer::sleep 1;
1559	$pl->ob->leave_link;	1842	$pl->ob->leave_link;
1560	};	1843	})->prio (2);
1561	}	1844	}
1562	},	1845	},
1563	);	1846	);
1564		1847
1565	=item $player_object->goto_map ($path, $x, $y)	1848	=item $player_object->goto ($path, $x, $y)
1566		1849
1567	=cut	1850	=cut
1568		1851
1569	sub cf::object::player::goto_map {	1852	sub cf::object::player::goto {
1570	my ($self, $path, $x, $y) = @_;	1853	my ($self, $path, $x, $y) = @_;
1571		1854
1572	$self->enter_link;	1855	$self->enter_link;
1573		1856
1574	(cf::async {	1857	(async {
1575	$path = new cf::path $path;	1858	my $map = eval {
1576
1577	my $map = cf::map::find_map $path->as_string;	1859	my $map = cf::map::find $path;
1578	$map = $map->customise_for ($self) if $map;	1860	$map = $map->customise_for ($self) if $map;
1579		1861	$map
1580	# warn "entering ", $map->path, " at ($x, $y)\n"	1862	} or
1581	# if $map;
1582
1583	$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);
1584		1864
1585	$self->leave_link ($map, $x, $y);	1865	$self->leave_link ($map, $x, $y);
1586	})->prio (1);	1866	})->prio (1);
1587	}	1867	}
1588		1868
…		…
1592		1872
1593	sub parse_random_map_params {	1873	sub parse_random_map_params {
1594	my ($spec) = @_;	1874	my ($spec) = @_;
1595		1875
1596	my $rmp = { # defaults	1876	my $rmp = { # defaults
1597	xsize => 10,	1877	xsize => (cf::rndm 15, 40),
1598	ysize => 10,	1878	ysize => (cf::rndm 15, 40),
		1879	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1880	#layout => string,
1599	};	1881	};
1600		1882
1601	for (split /\n/, $spec) {	1883	for (split /\n/, $spec) {
1602	my ($k, $v) = split /\s+/, $_, 2;	1884	my ($k, $v) = split /\s+/, $_, 2;
1603		1885
…		…
1607	$rmp	1889	$rmp
1608	}	1890	}
1609		1891
1610	sub prepare_random_map {	1892	sub prepare_random_map {
1611	my ($exit) = @_;	1893	my ($exit) = @_;
		1894
		1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1612		1896
1613	# all this does is basically replace the /! path by	1897	# all this does is basically replace the /! path by
1614	# a new random map path (?random/...) with a seed	1898	# a new random map path (?random/...) with a seed
1615	# that depends on the exit object	1899	# that depends on the exit object
1616		1900
1617	my $rmp = parse_random_map_params $exit->msg;	1901	my $rmp = parse_random_map_params $exit->msg;
1618		1902
1619	if ($exit->map) {	1903	if ($exit->map) {
1620	$rmp->{region} = $exit->map->region_name;	1904	$rmp->{region} = $exit->region->name;
1621	$rmp->{origin_map} = $exit->map->path;	1905	$rmp->{origin_map} = $exit->map->path;
1622	$rmp->{origin_x} = $exit->x;	1906	$rmp->{origin_x} = $exit->x;
1623	$rmp->{origin_y} = $exit->y;	1907	$rmp->{origin_y} = $exit->y;
1624	}	1908	}
1625		1909
1626	$rmp->{random_seed} ||= $exit->random_seed;	1910	$rmp->{random_seed} ||= $exit->random_seed;
1627		1911
1628	my $data = cf::to_json $rmp;	1912	my $data = cf::to_json $rmp;
1629	my $md5 = Digest::MD5::md5_hex $data;	1913	my $md5 = Digest::MD5::md5_hex $data;
		1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1630		1915
1631	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) {
1632	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;
1633		1920
1634	$exit->slaying ("?random/$md5");	1921	$exit->slaying ("?random/$md5");
1635	$exit->msg (undef);	1922	$exit->msg (undef);
1636	}	1923	}
1637	}	1924	}
…		…
1639	sub cf::object::player::enter_exit {	1926	sub cf::object::player::enter_exit {
1640	my ($self, $exit) = @_;	1927	my ($self, $exit) = @_;
1641		1928
1642	return unless $self->type == cf::PLAYER;	1929	return unless $self->type == cf::PLAYER;
1643		1930
		1931	if ($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
1644	$self->enter_link;	1940	$self->enter_link;
1645		1941
1646	(cf::async {	1942	(async {
		1943	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	1944	unless (eval {
1648	prepare_random_map $exit	1945	$self->goto ($slaying, $hp, $sp);
1649	if $exit->slaying eq "/!";
1650
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1653		1946
1654	1;	1947	1;
1655	}) {	1948	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	1949	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "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. "
1658	. "Please report this to the dungeon master",	1951	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	1952	cf::NDI_UNIQUE | cf::NDI_RED);
1660		1953
1661	warn "ERROR in enter_exit: $@";	1954	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	1955	$self->leave_link;
1663	}	1956	}
…		…
1718	# get handled first	2011	# get handled first
1719	my $queue = delete $ns->{query_queue}	2012	my $queue = delete $ns->{query_queue}
1720	or return; # be conservative, not sure how that can happen, but we saw a crash here	2013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1721		2014
1722	(shift @$queue)->[1]->($msg);	2015	(shift @$queue)->[1]->($msg);
		2016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1723		2017
1724	push @{ $ns->{query_queue} }, @$queue;	2018	push @{ $ns->{query_queue} }, @$queue;
1725		2019
1726	if (@{ $ns->{query_queue} } == @$queue) {	2020	if (@{ $ns->{query_queue} } == @$queue) {
1727	if (@$queue) {	2021	if (@$queue) {
…		…
1731	}	2025	}
1732	}	2026	}
1733	},	2027	},
1734	);	2028	);
1735		2029
1736	=item $client->coro (\&cb)	2030	=item $client->async (\&cb)
1737		2031
1738	Create a new coroutine, running the specified callback. The coroutine will	2032	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	2033	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	2034	or loss of connection).
1741		2035
1742	=cut	2036	=cut
1743		2037
1744	sub cf::client::coro {	2038	sub cf::client::async {
1745	my ($self, $cb) = @_;	2039	my ($self, $cb) = @_;
1746		2040
1747	my $coro = &cf::async ($cb);	2041	my $coro = &Coro::async ($cb);
1748		2042
1749	$coro->on_destroy (sub {	2043	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	2044	delete $self->{_coro}{$coro+0};
1751	});	2045	});
1752		2046
…		…
1946	sub db_sync() {	2240	sub db_sync() {
1947	db_save if $dirty;	2241	db_save if $dirty;
1948	undef $dirty;	2242	undef $dirty;
1949	}	2243	}
1950		2244
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2245	my $idle = Event->idle (
1952	db_sync;	2246	reentrant => 0,
		2247	min => 10,
		2248	max => 20,
		2249	repeat => 0,
		2250	data => WF_AUTOCANCEL,
		2251	cb => \&db_sync,
1953	});	2252	);
1954		2253
1955	sub db_dirty() {	2254	sub db_dirty() {
1956	$dirty = 1;	2255	$dirty = 1;
1957	$idle->start;	2256	$idle->start;
1958	}	2257	}
…		…
1979	},	2278	},
1980	);	2279	);
1981	}	2280	}
1982		2281
1983	#############################################################################	2282	#############################################################################
1984	# 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	}
1985		2289
1986	sub cfg_load {	2290	sub cfg_load {
1987	open my $fh, "<:utf8", cf::confdir . "/config"	2291	open my $fh, "<:utf8", cf::confdir . "/config"
1988	or return;	2292	or return;
1989		2293
1990	local $/;	2294	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2295	*CFG = YAML::Syck::Load <$fh>;
1992		2296
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		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
1995	if (exists $CFG{mlockall}) {	2302	if (exists $CFG{mlockall}) {
1996	eval {	2303	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2305	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2306	};
2000	warn $@ if $@;	2307	warn $@ if $@;
2001	}	2308	}
		2309	}
		2310
		2311	sub init {
		2312	load_resources;
2002	}	2313	}
2003		2314
2004	sub main {	2315	sub main {
2005	# we must not ever block the main coroutine	2316	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2317	local $Coro::idle = sub {
2007	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#
2008	(Coro::unblock_sub {	2319	(async {
2009	Event::one_event;	2320	Event::one_event;
2010	})->();	2321	})->prio (Coro::PRIO_MAX);
2011	};	2322	};
2012		2323
2013	cfg_load;	2324	cfg_load;
2014	db_load;	2325	db_load;
2015	load_extensions;	2326	load_extensions;
		2327
		2328	$TICK_WATCHER->start;
2016	Event::loop;	2329	Event::loop;
2017	}	2330	}
2018		2331
2019	#############################################################################	2332	#############################################################################
2020	# 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	$map->save;
		2372	}
		2373	warn "end emergency map save\n";
		2374	};
		2375
		2376	warn "leave emergency perl save\n";
		2377	}
2021		2378
2022	sub reload() {	2379	sub reload() {
2023	# can/must only be called in main	2380	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2381	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2382	warn "can only reload from main coroutine";
2026	return;	2383	return;
2027	}	2384	}
2028		2385
2029	warn "reloading...";	2386	warn "reloading...";
2030		2387
2031	local $FREEZE = 1;	2388	warn "cancelling server ticker";
		2389	$TICK_WATCHER->cancel;
		2390
2032	cf::emergency_save;	2391	cf::emergency_save;
2033		2392
2034	eval {	2393	eval {
2035	# 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
2036		2395
2037	# cancel all watchers	2396	warn "syncing database to disk";
		2397	cf::db_sync;
		2398
		2399	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	2400	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2402	}
2041		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
2042	# cancel all extension coros	2412	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	2413	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2414	%EXT_CORO = ();
2045		2415
2046	# unload all extensions	2416	warn "removing commands";
2047	for (@exts) {	2417	%COMMAND = ();
		2418
		2419	warn "removing ext commands";
		2420	%EXTCMD = ();
		2421
		2422	warn "unloading/nuking all extensions";
		2423	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2424	warn "... unloading $pkg";
2049	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: $@";
2050	}	2431	}
2051		2432
		2433	warn "... nuking $pkg";
		2434	Symbol::delete_package $pkg;
		2435	}
		2436
2052	# unload all modules loaded from $LIBDIR	2437	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2438	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2440
2056	warn "removing <$k>";	2441	warn "... unloading $k";
2057	delete $INC{$k};	2442	delete $INC{$k};
2058		2443
2059	$k =~ s/\.pm$//;	2444	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	2445	$k =~ s/\//::/g;
2061		2446
…		…
2064	}	2449	}
2065		2450
2066	Symbol::delete_package $k;	2451	Symbol::delete_package $k;
2067	}	2452	}
2068		2453
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2454	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2455	Symbol::delete_package "safe::$_"
2075	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);
2076		2457
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2458	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2459	delete $INC{"cf.pm"};
2082		2460
2083	# don't, removes xs symbols, too,	2461	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2462	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2463	#Symbol::delete_package __PACKAGE__;
2086		2464
2087	# reload cf.pm	2465	warn "unload completed, starting to reload now";
		2466
2088	warn "reloading cf.pm";	2467	warn "reloading cf.pm";
2089	require cf;	2468	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2470
2092	# load config and database again	2471	warn "loading config and database again";
2093	cf::cfg_load;	2472	cf::cfg_load;
2094	cf::db_load;	2473	cf::db_load;
2095		2474
2096	# load extensions
2097	warn "load extensions";	2475	warn "loading extensions";
2098	cf::load_extensions;	2476	cf::load_extensions;
2099		2477
2100	# reattach attachments to objects	2478	warn "reattaching attachments to objects/players";
2101	warn "reattach";
2102	_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	$TICK_WATCHER->start;
2103	};	2489	};
2104		2490
2105	if ($@) {	2491	if ($@) {
2106	warn $@;	2492	warn $@;
2107	warn "error while reloading, exiting.";	2493	warn "error while reloading, exiting.";
2108	exit 1;	2494	exit 1;
2109	}	2495	}
2110		2496
2111	warn "reloaded successfully";	2497	warn "reloaded";
2112	};	2498	};
2113		2499
2114	#############################################################################	2500	our $RELOAD_WATCHER; # used only during reload
2115
2116	unless ($LINK_MAP) {
2117	$LINK_MAP = cf::map::new;
2118
2119	$LINK_MAP->width (41);
2120	$LINK_MAP->height (41);
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,
2129	cb => sub {
2130	$_[0]->w->cancel;
2131
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});
2150
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}
2156
2157	register "<global>", __PACKAGE__;
2158		2501
2159	register_command "reload" => sub {	2502	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2503	my ($who, $arg) = @_;
2161		2504
2162	if ($who->flag (FLAG_WIZ)) {	2505	if ($who->flag (FLAG_WIZ)) {
2163	$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 {
2164	reload;	2516	reload;
2165	$who->message ("end of reload.");	2517	undef $RELOAD_WATCHER;
		2518	},
		2519	);
2166	}	2520	}
2167	};	2521	};
2168		2522
2169	unshift @INC, $LIBDIR;	2523	unshift @INC, $LIBDIR;
		2524
		2525	my $bug_warning = 0;
2170		2526
2171	$TICK_WATCHER = Event->timer (	2527	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	2528	reentrant => 0,
		2529	parked => 1,
2173	prio => 0,	2530	prio => 0,
2174	at => $NEXT_TICK || $TICK,	2531	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2176	cb => sub {	2533	cb => sub {
2177	unless ($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
2178	cf::server_tick; # one server iteration	2542	cf::server_tick; # one server iteration
2179	$RUNTIME += $TICK;	2543	$RUNTIME += $TICK;
2180	}
2181
2182	$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#
2183		2554
2184	# 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
2185	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2186		2557
2187	$TICK_WATCHER->at ($NEXT_TICK);	2558	$TICK_WATCHER->at ($NEXT_TICK);
2188	$TICK_WATCHER->start;	2559	$TICK_WATCHER->start;
2189	},	2560	},
2190	);	2561	);
2191		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;
2192	IO::AIO::max_poll_time $TICK * 0.2;	2612	IO::AIO::max_poll_time $TICK * 0.1;
2193		2613	$AIO_POLL_WATCHER = Event->io (
2194	Event->io (	2614	reentrant => 0,
2195	fd => IO::AIO::poll_fileno,	2615	fd => IO::AIO::poll_fileno,
2196	poll => 'r',	2616	poll => 'r',
2197	prio => 5,	2617	prio => 6,
2198	data => WF_AUTOCANCEL,	2618	data => WF_AUTOCANCEL,
2199	cb => \&IO::AIO::poll_cb,	2619	cb => \&IO::AIO::poll_cb,
2200	);	2620	);
		2621	}
2201		2622
2202	Event->timer (	2623	$WRITE_RUNTIME_WATCHER = Event->timer (
		2624	reentrant => 0,
2203	data => WF_AUTOCANCEL,	2625	data => WF_AUTOCANCEL,
2204	after => 0,	2626	after => 1,
2205	interval => 10,	2627	interval => 10,
2206	cb => sub {	2628	prio => 6, # keep it lowest so it acts like a watchdog
2207	(Coro::unblock_sub {	2629	cb => Coro::unblock_sub {
2208	write_runtime	2630	write_runtime
2209	or warn "ERROR: unable to write runtime file: $!";	2631	or warn "ERROR: unable to write runtime file: $!";
2210	})->();
2211	},	2632	},
2212	);	2633	);
2213		2634
2214	END { cf::emergency_save }	2635	END { cf::emergency_save }
2215		2636

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