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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 1.202 by root, Mon Jan 29 20:16:28 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;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		69
58	binmode STDOUT;	70	binmode STDOUT;
59	binmode STDERR;	71	binmode STDERR;
60		72
61	# read virtual server time, if available	73	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
73		85
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
		87
		88	sub cf::map::normalise;
77		89
78	#############################################################################	90	#############################################################################
79		91
80	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
81		93
…		…
105		117
106	=item %cf::CFG	118	=item %cf::CFG
107		119
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	121	from wherever your confdir points to.
		122
		123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		124
		125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		127	processing has been done. Call C<< ->wait >> on them to maximise the
		128	window of cpu time available, or simply to synchronise to the server tick.
110		129
111	=back	130	=back
112		131
113	=cut	132	=cut
114		133
…		…
118	utf8::encode $msg;	137	utf8::encode $msg;
119		138
120	$msg .= "\n"	139	$msg .= "\n"
121	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
122		141
123	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
124	};	143	};
125	}	144	}
126		145
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		165
147	$Event::DIED = sub {	166	$Event::DIED = sub {
148	warn "error in event callback: @_";	167	warn "error in event callback: @_";
149	};	168	};
150		169
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
156		171
157	=over 4	172	=over 4
158		173
		174	=item dumpval $ref
		175
159	=cut	176	=cut
		177
		178	sub dumpval {
		179	eval {
		180	local $SIG{__DIE__};
		181	my $d;
		182	if (1) {
		183	$d = new Data::Dumper([$_[0]], ["*var"]);
		184	$d->Terse(1);
		185	$d->Indent(2);
		186	$d->Quotekeys(0);
		187	$d->Useqq(1);
		188	#$d->Bless(...);
		189	$d->Seen($_[1]) if @_ > 1;
		190	$d = $d->Dump();
		191	}
		192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		193	$d
		194	} || "[unable to dump $_[0]: '$@']";
		195	}
160		196
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		198
163	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
164		200
…		…
180	sub to_json($) {	216	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]	218	JSON::Syck::Dump $_[0]
183	}	219	}
184		220
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	221	=item cf::lock_wait $string
208		222
209	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
210		224
211	=item my $lock = cf::lock_acquire $string	225	=item my $lock = cf::lock_acquire $string
212		226
213	Wait until the given lock is available and then acquires it and returns	227	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,	228	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	229	for example when the coroutine gets canceled), the lock is automatically
216	returned.	230	returned.
217		231
218	Lock names should begin with a unique identifier (for example, find_map	232	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and load_map uses map_load).	233	uses map_find and cf::map::load uses map_load).
220		234
221	=cut	235	=cut
222		236
223	our %LOCK;	237	our %LOCK;
224		238
…		…
238	# wait, to be sure we are not locked	252	# wait, to be sure we are not locked
239	lock_wait $key;	253	lock_wait $key;
240		254
241	$LOCK{$key} = [];	255	$LOCK{$key} = [];
242		256
243	cf::guard {	257	Coro::guard {
244	# wake up all waiters, to be on the safe side	258	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	259	$_->ready for @{ delete $LOCK{$key} };
246	}	260	}
247	}	261	}
248		262
		263	sub freeze_mainloop {
		264	return unless $TICK_WATCHER->is_active;
		265
		266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	$WRITE_RUNTIME_WATCHER->start;
		269	};
		270	$WRITE_RUNTIME_WATCHER->stop;
		271	$TICK_WATCHER->stop;
		272	$guard
		273	}
		274
249	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
250		276
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	277	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
253		280
254	=cut	281	=cut
255		282
256	sub async(&) {	283	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		284
265	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
266		286
267	The design of crossfire+ requires that the main coro ($Coro::main) is	287	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	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
282	# this is the main coro, too bad, we have to block	302	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	303	# till the operation succeeds, freezing the server :/
284		304
285	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
286	# (but this is cancel-safe)	306	# (but this is cancel-safe)
287	local $FREEZE = 1;	307	my $freeze_guard = freeze_mainloop;
288		308
289	my $busy = 1;	309	my $busy = 1;
290	my @res;	310	my @res;
291		311
292	(Coro::async {	312	(async {
293	@res = eval { $job->() };	313	@res = eval { $job->() };
294	warn $@ if $@;	314	warn $@ if $@;
295	undef $busy;	315	undef $busy;
296	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
297		317
298	while ($busy) {	318	while ($busy) {
299	Coro::cede_notself;	319	Coro::cede or Event::one_event;
300	Event::one_event unless Coro::nready;
301	}	320	}
302		321
303	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
304	} else {	323	} else {
305	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
306		325
307	$job->()	326	$job->()
308	}	327	}
309	}	328	}
310		329
311	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
312		331
313	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
315		334
316	=cut	335	=cut
317		336
318	sub coro(&) {	337	sub async_ext(&) {
319	my $cb = shift;	338	my $cb = shift;
320		339
321	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
322		341
323	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
325	});	344	});
326	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
…		…
332	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
333		352
334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
335	or return;	354	or return;
336		355
		356	my $value = $cf::RUNTIME + 90 + 10;
337	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;	361	and return;
340		362
341	aio_fsync $fh	363	aio_fsync $fh
342	and return;	364	and return;
…		…
351	}	373	}
352		374
353	=back	375	=back
354		376
355	=cut	377	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($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		378
477	#############################################################################	379	#############################################################################
478		380
479	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
480		382
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	509	our @CB_MAP = ();
608		510
609	my %attachment;	511	my %attachment;
610		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
611	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
613		521
614	use sort 'stable';	522	use sort 'stable';
615		523
…		…
786	# object support	694	# object support
787		695
788	sub reattach {	696	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		701
792	my $registry = $obj->registry;	702	my $registry = $obj->registry;
793		703
794	@$registry = ();	704	@$registry = ();
795		705
…		…
866	}	776	}
867	} else {	777	} else {
868	aio_unlink $filename;	778	aio_unlink $filename;
869	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
870	}	780	}
		781
		782	#d##TODO# nuke non .map-files if exist
		783	if ($filename =~ s/\.map$//) {
		784	aio_unlink $filename;
		785	aio_unlink "$filename.pst";
		786	}
871	}	787	}
872	}	788	}
873		789
874	sub object_freezer_as_string {	790	sub object_freezer_as_string {
875	my ($rdata, $objs) = @_;	791	my ($rdata, $objs) = @_;
…		…
881		797
882	sub object_thawer_load {	798	sub object_thawer_load {
883	my ($filename) = @_;	799	my ($filename) = @_;
884		800
885	my ($data, $av);	801	my ($data, $av);
		802
		803	#d#TODO remove .map if file does not exist
		804	aio_stat $filename and $filename =~ s/\.map$//;
886		805
887	(aio_load $filename, $data) >= 0	806	(aio_load $filename, $data) >= 0
888	or return;	807	or return;
889		808
890	unless (aio_stat "$filename.pst") {	809	unless (aio_stat "$filename.pst") {
…		…
927	=cut	846	=cut
928		847
929	sub register_extcmd {	848	sub register_extcmd {
930	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
931		850
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
936	}	852	}
937		853
938	cf::player->attach (	854	cf::player->attach (
939	on_command => sub {	855	on_command => sub {
940	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
953		869
954	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
955		871
956	if (ref $msg) {	872	if (ref $msg) {
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
959	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
960	}	876	}
961	}	877	}
962	} else {	878	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
965		881
966	cf::override;	882	cf::override;
967	},	883	},
968	);	884	);
969		885
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	886	sub load_extension {
977	my ($path) = @_;	887	my ($path) = @_;
978		888
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
980	my $base = $1;	890	my $base = $1;
981	my $pkg = $1;	891	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
984		894
985	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
986		896
987	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
988	or die "$path: $!";	898	or die "$path: $!";
989		899
990	my $source =	900	my $source =
991	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
994	. "\n};\n1";	904	. "\n};\n1";
995		905
996	eval $source	906	unless (eval $source) {
997	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
998	: "extension disabled.\n";	908	: "extension disabled.\n";
999		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000	push @exts, $pkg;	910	warn $@;
1001	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
1002		912	exit 1;
1003	# no strict 'refs';	913	}
1004	# @{"$pkg\::ISA"} = ext::;	914	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	# }	915	}
1019		916
1020	# remove commands	917	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	}	918	}
1045		919
1046	sub load_extensions {	920	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	922	next unless -r $ext;
…		…
1052	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1053	}	927	}
1054	}	928	}
1055		929
1056	#############################################################################	930	#############################################################################
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		931
1094	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1095		933
1096	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1097		935
		936	=cut
		937
		938	package cf::player;
		939
		940	use Coro::AIO;
		941
1098	=head3 cf::player	942	=head3 cf::player
1099		943
1100	=over 4	944	=over 4
1101		945
1102	=item cf::player::exists $login	946	=item cf::player::find $login
1103		947
1104	Returns true when the given account exists.	948	Returns the given player object, loading it if necessary (might block).
1105		949
1106	=cut	950	=cut
1107		951
1108	sub cf::player::exists($) {	952	sub playerdir($) {
1109	cf::player::find $_[0]	953	cf::localdir
1110	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	954	. "/"
		955	. cf::playerdir
		956	. "/"
		957	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		958	}
		959
		960	sub path($) {
		961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		962
		963	(playerdir $login) . "/$login.pl"
		964	}
		965
		966	sub find_active($) {
		967	$cf::PLAYER{$_[0]}
		968	and $cf::PLAYER{$_[0]}->active
		969	and $cf::PLAYER{$_[0]}
		970	}
		971
		972	sub exists($) {
		973	my ($login) = @_;
		974
		975	$cf::PLAYER{$login}
		976	or cf::sync_job { !aio_stat path $login }
		977	}
		978
		979	sub find($) {
		980	return $cf::PLAYER{$_[0]} || do {
		981	my $login = $_[0];
		982
		983	my $guard = cf::lock_acquire "user_find:$login";
		984
		985	$cf::PLAYER{$_[0]} || do {
		986	my $pl = load_pl path $login
		987	or return;
		988	$cf::PLAYER{$login} = $pl
		989	}
		990	}
		991	}
		992
		993	sub save($) {
		994	my ($pl) = @_;
		995
		996	return if $pl->{deny_save};
		997
		998	my $path = path $pl;
		999	my $guard = cf::lock_acquire "user_save:$path";
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	aio_mkdir playerdir $pl, 0770;
		1004	$pl->{last_save} = $cf::RUNTIME;
		1005
		1006	$pl->save_pl ($path);
		1007	Coro::cede;
		1008	}
		1009
		1010	sub new($) {
		1011	my ($login) = @_;
		1012
		1013	my $self = create;
		1014
		1015	$self->ob->name ($login);
		1016	$self->{deny_save} = 1;
		1017
		1018	$cf::PLAYER{$login} = $self;
		1019
		1020	$self
		1021	}
		1022
		1023	=item $pl->quit_character
		1024
		1025	Nukes the player without looking back. If logged in, the connection will
		1026	be destroyed. May block for a long time.
		1027
		1028	=cut
		1029
		1030	sub quit_character {
		1031	my ($pl) = @_;
		1032
		1033	$pl->{deny_save} = 1;
		1034	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1035
		1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1037	$pl->deactivate;
		1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1039	$pl->ns->destroy if $pl->ns;
		1040
		1041	my $path = playerdir $pl;
		1042	my $temp = "$path~$cf::RUNTIME~deleting~";
		1043	aio_rename $path, $temp;
		1044	delete $cf::PLAYER{$pl->ob->name};
		1045	$pl->destroy;
		1046	IO::AIO::aio_rmtree $temp;
		1047	}
		1048
		1049	=item cf::player::list_logins
		1050
		1051	Returns am arrayref of all valid playernames in the system, can take a
		1052	while and may block, so not sync_job-capable, ever.
		1053
		1054	=cut
		1055
		1056	sub list_logins {
		1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1058	or return [];
		1059
		1060	my @logins;
		1061
		1062	for my $login (@$dirs) {
		1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1064	aio_read $fh, 0, 512, my $buf, 0 or next;
		1065	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1066
		1067	utf8::decode $login;
		1068	push @logins, $login;
		1069	}
		1070
		1071	\@logins
		1072	}
		1073
		1074	=item $player->maps
		1075
		1076	Returns an arrayref of map paths that are private for this
		1077	player. May block.
		1078
		1079	=cut
		1080
		1081	sub maps($) {
		1082	my ($pl) = @_;
		1083
		1084	$pl = ref $pl ? $pl->ob->name : $pl;
		1085
		1086	my $files = aio_readdir playerdir $pl
		1087	or return;
		1088
		1089	my @paths;
		1090
		1091	for (@$files) {
		1092	utf8::decode $_;
		1093	next if /\.(?:pl|pst)$/;
		1094	next unless /^$PATH_SEP/o;
		1095
		1096	push @paths, cf::map::normalise "~$pl/$_";
		1097	}
		1098
		1099	\@paths
1111	}	1100	}
1112		1101
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1102	=item $player->ext_reply ($msgid, $msgtype, %msg)
1114		1103
1115	Sends an ext reply to the player.	1104	Sends an ext reply to the player.
1116		1105
1117	=cut	1106	=cut
1118		1107
1119	sub cf::player::ext_reply($$$%) {	1108	sub ext_reply($$$%) {
1120	my ($self, $id, %msg) = @_;	1109	my ($self, $id, %msg) = @_;
1121		1110
1122	$msg{msgid} = $id;	1111	$msg{msgid} = $id;
1123		1112
1124	$self->send ("ext " . to_json \%msg);	1113	$self->send ("ext " . cf::to_json \%msg);
1125	}	1114	}
		1115
		1116	package cf;
1126		1117
1127	=back	1118	=back
1128		1119
1129		1120
1130	=head3 cf::map	1121	=head3 cf::map
…		…
1136	package cf::map;	1127	package cf::map;
1137		1128
1138	use Fcntl;	1129	use Fcntl;
1139	use Coro::AIO;	1130	use Coro::AIO;
1140		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1141	our $MAX_RESET = 7200;	1136	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1137	our $DEFAULT_RESET = 3000;
1143		1138
1144	sub generate_random_map {	1139	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1142	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(cf::region::find $rmp->{region})	1153	(cf::region::find $rmp->{region}), $rmp->{custom}
		1154	)
		1155	}
		1156
		1157	=item cf::map->register ($regex, $prio)
		1158
		1159	Register a handler for the map path matching the given regex at the
		1160	givne priority (higher is better, built-in handlers have priority 0, the
		1161	default).
		1162
		1163	=cut
		1164
		1165	sub register {
		1166	my (undef, $regex, $prio) = @_;
		1167	my $pkg = caller;
		1168
		1169	no strict;
		1170	push @{"$pkg\::ISA"}, __PACKAGE__;
		1171
		1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1173	}
		1174
		1175	# also paths starting with '/'
		1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1177
		1178	sub thawer_merge {
		1179	my ($self, $merge) = @_;
		1180
		1181	# we have to keep some variables in memory intact
		1182	local $self->{path};
		1183	local $self->{load_path};
		1184	local $self->{deny_save};
		1185	local $self->{deny_reset};
		1186
		1187	$self->SUPER::thawer_merge ($merge);
		1188	}
		1189
		1190	sub normalise {
		1191	my ($path, $base) = @_;
		1192
		1193	$path = "$path"; # make sure its a string
		1194
		1195	$path =~ s/\.map$//;
		1196
		1197	# map plan:
		1198	#
		1199	# /! non-realised random map exit (special hack!)
		1200	# {... are special paths that are not being touched
		1201	# ?xxx/... are special absolute paths
		1202	# ?random/... random maps
		1203	# /... normal maps
		1204	# ~user/... per-player map of a specific user
		1205
		1206	$path =~ s/$PATH_SEP/\//go;
		1207
		1208	# treat it as relative path if it starts with
		1209	# something that looks reasonable
		1210	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1211	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1212
		1213	$base =~ s{[^/]+/?$}{};
		1214	$path = "$base/$path";
		1215	}
		1216
		1217	for ($path) {
		1218	redo if s{//}{/};
		1219	redo if s{/\.?/}{/};
		1220	redo if s{/[^/]+/\.\./}{/};
		1221	}
		1222
		1223	$path
		1224	}
		1225
		1226	sub new_from_path {
		1227	my (undef, $path, $base) = @_;
		1228
		1229	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1230
		1231	$path = normalise $path, $base;
		1232
		1233	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1234	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1235	my $self = bless cf::map::new, $pkg;
		1236	$self->{path} = $path; $self->path ($path);
		1237	$self->init; # pass $1 etc.
		1238	return $self;
		1239	}
		1240	}
		1241
		1242	Carp::carp "unable to resolve path '$path' (base '$base').";
		1243	()
		1244	}
		1245
		1246	sub init {
		1247	my ($self) = @_;
		1248
		1249	$self
		1250	}
		1251
		1252	sub as_string {
		1253	my ($self) = @_;
		1254
		1255	"$self->{path}"
		1256	}
		1257
		1258	# the displayed name, this is a one way mapping
		1259	sub visible_name {
		1260	&as_string
		1261	}
		1262
		1263	# the original (read-only) location
		1264	sub load_path {
		1265	my ($self) = @_;
		1266
		1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1268	}
		1269
		1270	# the temporary/swap location
		1271	sub save_path {
		1272	my ($self) = @_;
		1273
		1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1276	}
		1277
		1278	# the unique path, undef == no special unique path
		1279	sub uniq_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1161	}	1284	}
1162		1285
1163	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1164	# all maps in C++...	1287	# all maps in C++...
1165	sub change_all_map_light {	1288	sub change_all_map_light {
…		…
1167		1290
1168	$_->change_map_light ($change)	1291	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1292	for grep $_->outdoor, values %cf::MAP;
1170	}	1293	}
1171		1294
		1295	sub unlink_save {
		1296	my ($self) = @_;
		1297
		1298	utf8::encode (my $save = $self->save_path);
		1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1301
		1302	#d#TODO remove .map and also nuke
		1303	$save =~ s/\.map// or return;#d#
		1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1306	}
		1307
1172	sub try_load_header($) {	1308	sub load_header_from($) {
1173	my ($path) = @_;	1309	my ($self, $path) = @_;
1174		1310
1175	utf8::encode $path;	1311	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1312	#aio_open $path, O_RDONLY, 0
		1313	# or return;
		1314
		1315	$self->_load_header ($path)
1177	or return;	1316	or return;
1178		1317
1179	my $map = cf::map::new	1318	$self->{load_path} = $path;
		1319
		1320	1
		1321	}
		1322
		1323	sub load_header_orig {
		1324	my ($self) = @_;
		1325
		1326	$self->load_header_from ($self->load_path)
		1327	}
		1328
		1329	sub load_header_temp {
		1330	my ($self) = @_;
		1331
		1332	$self->load_header_from ($self->save_path)
		1333	}
		1334
		1335	sub prepare_temp {
		1336	my ($self) = @_;
		1337
		1338	$self->last_access ((delete $self->{last_access})
		1339	|| $cf::RUNTIME); #d#
		1340	# safety
		1341	$self->{instantiate_time} = $cf::RUNTIME
		1342	if $self->{instantiate_time} > $cf::RUNTIME;
		1343	}
		1344
		1345	sub prepare_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->{load_original} = 1;
		1349	$self->{instantiate_time} = $cf::RUNTIME;
		1350	$self->last_access ($cf::RUNTIME);
		1351	$self->instantiate;
		1352	}
		1353
		1354	sub load_header {
		1355	my ($self) = @_;
		1356
		1357	if ($self->load_header_temp) {
		1358	$self->prepare_temp;
		1359	} else {
		1360	$self->load_header_orig
1180	or return;	1361	or return;
		1362	$self->prepare_orig;
		1363	}
1181		1364
1182	$map->load_header ($path)	1365	1
1183	or return;
1184
1185	$map->{load_path} = $path;
1186
1187	$map
1188	}	1366	}
1189		1367
1190	sub find_map;	1368	sub find;
1191	sub find_map {	1369	sub find {
1192	my ($path, $origin) = @_;	1370	my ($path, $origin) = @_;
1193		1371
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1372	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1373
1199	cf::lock_wait "map_find:$key";	1374	cf::lock_wait "map_find:$path";
1200		1375
1201	$cf::MAP{$key} || do {	1376	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1377	my $guard = cf::lock_acquire "map_find:$path";
1203		1378	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;	1379	or return;
1219		1380
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;	1381	$map->{last_save} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232		1382
1233	if ($map->should_reset) {	1383	$map->load_header
		1384	or return;
		1385
		1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1387	# doing this can freeze the server in a sync job, obviously
		1388	#$cf::WAIT_FOR_TICK->wait;
1234	$map->reset;	1389	$map->reset;
1235	undef $guard;	1390	undef $guard;
1236	$map = find_map $path	1391	return find $path;
1237	or return;
1238	}	1392	}
1239		1393
1240	$cf::MAP{$key} = $map	1394	$cf::MAP{$path} = $map
1241	}	1395	}
1242	}	1396	}
		1397
		1398	sub pre_load { }
		1399	sub post_load { }
1243		1400
1244	sub load {	1401	sub load {
1245	my ($self) = @_;	1402	my ($self) = @_;
1246		1403
		1404	local $self->{deny_reset} = 1; # loading can take a long time
		1405
1247	my $path = $self->{path};	1406	my $path = $self->{path};
1248	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1407	my $guard = cf::lock_acquire "map_load:$path";
1249		1408
1250	return if $self->in_memory != cf::MAP_SWAPPED;	1409	return if $self->in_memory != cf::MAP_SWAPPED;
1251		1410
1252	$self->in_memory (cf::MAP_LOADING);	1411	$self->in_memory (cf::MAP_LOADING);
1253		1412
1254	$self->alloc;	1413	$self->alloc;
		1414
		1415	$self->pre_load;
		1416
1255	$self->load_objects ($self->{load_path}, 1)	1417	$self->_load_objects ($self->{load_path}, 1)
1256	or return;	1418	or return;
1257		1419
1258	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1259	if delete $self->{load_original};	1421	if delete $self->{load_original};
1260		1422
1261	if (my $uniq = $path->uniq_path) {	1423	if (my $uniq = $self->uniq_path) {
1262	utf8::encode $uniq;	1424	utf8::encode $uniq;
1263	if (aio_open $uniq, O_RDONLY, 0) {	1425	if (aio_open $uniq, O_RDONLY, 0) {
1264	$self->clear_unique_items;	1426	$self->clear_unique_items;
1265	$self->load_objects ($uniq, 0);	1427	$self->_load_objects ($uniq, 0);
1266	}	1428	}
1267	}	1429	}
		1430
		1431	Coro::cede;
1268		1432
1269	# now do the right thing for maps	1433	# now do the right thing for maps
1270	$self->link_multipart_objects;	1434	$self->link_multipart_objects;
1271		1435
1272	if ($self->{path}->is_style_map) {	1436	unless ($self->{deny_activate}) {
1273	$self->{deny_save} = 1;	1437	$self->decay_objects;
1274	$self->{deny_reset} = 1;
1275	} else {
1276	$self->fix_auto_apply;	1438	$self->fix_auto_apply;
1277	$self->decay_objects;
1278	$self->update_buttons;	1439	$self->update_buttons;
		1440	Coro::cede;
1279	$self->set_darkness_map;	1441	$self->set_darkness_map;
1280	$self->difficulty ($self->estimate_difficulty)	1442	$self->difficulty ($self->estimate_difficulty)
1281	unless $self->difficulty;	1443	unless $self->difficulty;
		1444	Coro::cede;
1282	$self->activate;	1445	$self->activate;
1283	}	1446	}
1284		1447
		1448	$self->post_load;
		1449
1285	$self->in_memory (cf::MAP_IN_MEMORY);	1450	$self->in_memory (cf::MAP_IN_MEMORY);
1286	}	1451	}
1287		1452
1288	sub load_map_sync {	1453	sub customise_for {
		1454	my ($self, $ob) = @_;
		1455
		1456	return find "~" . $ob->name . "/" . $self->{path}
		1457	if $self->per_player;
		1458
		1459	$self
		1460	}
		1461
		1462	# find and load all maps in the 3x3 area around a map
		1463	sub load_diag {
		1464	my ($map) = @_;
		1465
		1466	my @diag; # diagonal neighbours
		1467
		1468	for (0 .. 3) {
		1469	my $neigh = $map->tile_path ($_)
		1470	or next;
		1471	$neigh = find $neigh, $map
		1472	or next;
		1473	$neigh->load;
		1474
		1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1477	}
		1478
		1479	for (@diag) {
		1480	my $neigh = find @$_
		1481	or next;
		1482	$neigh->load;
		1483	}
		1484	}
		1485
		1486	sub find_sync {
1289	my ($path, $origin) = @_;	1487	my ($path, $origin) = @_;
1290		1488
1291	#warn "load_map_sync<$path, $origin>\n";#d#	1489	cf::sync_job { find $path, $origin }
		1490	}
1292		1491
1293	cf::sync_job {	1492	sub do_load_sync {
1294	my $map = cf::map::find_map $path, $origin	1493	my ($map) = @_;
1295	or return;	1494
		1495	cf::sync_job { $map->load };
		1496	}
		1497
		1498	our %MAP_PREFETCH;
		1499	our $MAP_PREFETCHER = undef;
		1500
		1501	sub find_async {
		1502	my ($path, $origin) = @_;
		1503
		1504	$path = normalise $path, $origin && $origin->{path};
		1505
		1506	if (my $map = $cf::MAP{$path}) {
		1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1508	}
		1509
		1510	undef $MAP_PREFETCH{$path};
		1511	$MAP_PREFETCHER ||= cf::async {
		1512	while (%MAP_PREFETCH) {
		1513	for my $path (keys %MAP_PREFETCH) {
		1514	my $map = find $path
		1515	or next;
1296	$map->load;	1516	$map->load;
1297	$map	1517
		1518	delete $MAP_PREFETCH{$path};
		1519	}
		1520	}
		1521	undef $MAP_PREFETCHER;
1298	}	1522	};
		1523	$MAP_PREFETCHER->prio (6);
		1524
		1525	()
1299	}	1526	}
1300		1527
1301	sub save {	1528	sub save {
1302	my ($self) = @_;	1529	my ($self) = @_;
1303		1530
		1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1532
1304	$self->{last_save} = $cf::RUNTIME;	1533	$self->{last_save} = $cf::RUNTIME;
1305		1534
1306	return unless $self->dirty;	1535	return unless $self->dirty;
1307		1536
1308	my $save = $self->{path}->save_path; utf8::encode $save;	1537	my $save = $self->save_path; utf8::encode $save;
1309	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1538	my $uniq = $self->uniq_path; utf8::encode $uniq;
1310		1539
1311	$self->{load_path} = $save;	1540	$self->{load_path} = $save;
1312		1541
1313	return if $self->{deny_save};	1542	return if $self->{deny_save};
1314		1543
		1544	local $self->{last_access} = $self->last_access;#d#
		1545
		1546	cf::async {
		1547	$_->contr->save for $self->players;
		1548	};
		1549
1315	if ($uniq) {	1550	if ($uniq) {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1317	$self->save_objects ($uniq, cf::IO_UNIQUES);	1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1318	} else {	1553	} else {
1319	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1320	}	1555	}
1321	}	1556	}
1322		1557
1323	sub swap_out {	1558	sub swap_out {
1324	my ($self) = @_;	1559	my ($self) = @_;
1325		1560
1326	# save first because save cedes	1561	# save first because save cedes
1327	$self->save;	1562	$self->save;
		1563
		1564	my $lock = cf::lock_acquire "map_data:" . $self->path;
1328		1565
1329	return if $self->players;	1566	return if $self->players;
1330	return if $self->in_memory != cf::MAP_IN_MEMORY;	1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1331	return if $self->{deny_save};	1568	return if $self->{deny_save};
1332		1569
…		…
1336		1573
1337	sub reset_at {	1574	sub reset_at {
1338	my ($self) = @_;	1575	my ($self) = @_;
1339		1576
1340	# TODO: safety, remove and allow resettable per-player maps	1577	# TODO: safety, remove and allow resettable per-player maps
1341	return 1e99 if $self->{path}{user_rel};	1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1342	return 1e99 if $self->{deny_reset};	1579	return 1e99 if $self->{deny_reset};
1343		1580
1344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1345	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1346		1583
…		…
1351	my ($self) = @_;	1588	my ($self) = @_;
1352		1589
1353	$self->reset_at <= $cf::RUNTIME	1590	$self->reset_at <= $cf::RUNTIME
1354	}	1591	}
1355		1592
1356	sub unlink_save {
1357	my ($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	$self->save;
1375	}
1376
1377	sub reset {	1593	sub reset {
1378	my ($self) = @_;	1594	my ($self) = @_;
1379		1595
		1596	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1597
1380	return if $self->players;	1598	return if $self->players;
1381	return if $self->{path}{user_rel};#d#	1599	return if $self->isa ("ext::map_per_player");#d#
1382		1600
1383	warn "resetting map ", $self->path;#d#	1601	warn "resetting map ", $self->path;#d#
1384		1602
1385	delete $cf::MAP{$self->path};	1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->in_memory (cf::MAP_SWAPPED);
		1606	$self->clear;
1386		1607
1387	$_->clear_links_to ($self) for values %cf::MAP;	1608	$_->clear_links_to ($self) for values %cf::MAP;
1388		1609
1389	$self->unlink_save;	1610	$self->unlink_save;
1390	$self->destroy;	1611	$self->destroy;
…		…
1393	my $nuke_counter = "aaaa";	1614	my $nuke_counter = "aaaa";
1394		1615
1395	sub nuke {	1616	sub nuke {
1396	my ($self) = @_;	1617	my ($self) = @_;
1397		1618
		1619	delete $cf::MAP{$self->path};
		1620
		1621	$self->unlink_save;
		1622
		1623	bless $self, "cf::map";
		1624	delete $self->{deny_reset};
1398	$self->{deny_save} = 1;	1625	$self->{deny_save} = 1;
1399	$self->reset_timeout (1);	1626	$self->reset_timeout (1);
1400	$self->rename ("{nuke}/" . ($nuke_counter++));	1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1628
		1629	$cf::MAP{$self->path} = $self;
		1630
1401	$self->reset; # polite request, might not happen	1631	$self->reset; # polite request, might not happen
1402	}	1632	}
1403		1633
1404	sub customise_for {	1634	=item cf::map::unique_maps
1405	my ($map, $ob) = @_;
1406		1635
1407	if ($map->per_player) {	1636	Returns an arrayref of paths of all shared maps that have
1408	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1637	instantiated unique items. May block.
1409	}
1410		1638
1411	$map	1639	=cut
1412	}
1413		1640
1414	sub emergency_save {	1641	sub unique_maps() {
1415	local $cf::FREEZE = 1;	1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1643	or return;
1416		1644
1417	warn "enter emergency map save\n";	1645	my @paths;
1418		1646
1419	cf::sync_job {	1647	for (@$files) {
1420	warn "begin emergency map save\n";	1648	utf8::decode $_;
1421	$_->save for values %cf::MAP;	1649	next if /\.pst$/;
		1650	next unless /^$PATH_SEP/o;
		1651
		1652	push @paths, cf::map::normalise $_;
1422	};	1653	}
1423		1654
1424	warn "end emergency map save\n";	1655	\@paths
1425	}	1656	}
1426		1657
1427	package cf;	1658	package cf;
1428		1659
1429	=back	1660	=back
1430		1661
		1662	=head3 cf::object
		1663
		1664	=cut
		1665
		1666	package cf::object;
		1667
		1668	=over 4
		1669
		1670	=item $ob->inv_recursive
		1671
		1672	Returns the inventory of the object _and_ their inventories, recursively.
		1673
		1674	=cut
		1675
		1676	sub inv_recursive_;
		1677	sub inv_recursive_ {
		1678	map { $_, inv_recursive_ $_->inv } @_
		1679	}
		1680
		1681	sub inv_recursive {
		1682	inv_recursive_ inv $_[0]
		1683	}
		1684
		1685	package cf;
		1686
		1687	=back
1431		1688
1432	=head3 cf::object::player	1689	=head3 cf::object::player
1433		1690
1434	=over 4	1691	=over 4
1435		1692
…		…
1475		1732
1476	=item $player_object->enter_link	1733	=item $player_object->enter_link
1477		1734
1478	Freezes the player and moves him/her to a special map (C<{link}>).	1735	Freezes the player and moves him/her to a special map (C<{link}>).
1479		1736
1480	The player should be reaosnably safe there for short amounts of time. You	1737	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.	1738	I<MUST> call C<leave_link> as soon as possible, though.
1482		1739
		1740	Will never block.
		1741
1483	=item $player_object->leave_link ($map, $x, $y)	1742	=item $player_object->leave_link ($map, $x, $y)
1484		1743
1485	Moves the player out of the specila link map onto the given map. If the	1744	Moves the player out of the special C<{link}> map onto the specified
1486	map is not valid (or omitted), the player will be moved back to the	1745	map. If the map is not valid (or omitted), the player will be moved back
1487	location he/she was before the call to C<enter_link>, or, if that fails,	1746	to the location he/she was before the call to C<enter_link>, or, if that
1488	to the emergency map position.	1747	fails, to the emergency map position.
1489		1748
1490	Might block.	1749	Might block.
1491		1750
1492	=cut	1751	=cut
		1752
		1753	sub link_map {
		1754	unless ($LINK_MAP) {
		1755	$LINK_MAP = cf::map::find "{link}"
		1756	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1757	$LINK_MAP->load;
		1758	}
		1759
		1760	$LINK_MAP
		1761	}
1493		1762
1494	sub cf::object::player::enter_link {	1763	sub cf::object::player::enter_link {
1495	my ($self) = @_;	1764	my ($self) = @_;
1496		1765
1497	$self->deactivate_recursive;	1766	$self->deactivate_recursive;
1498		1767
1499	return if $self->map == $LINK_MAP;	1768	return if UNIVERSAL::isa $self->map, "ext::map_link";
1500		1769
1501	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1502	if $self->map;	1771	if $self->map;
1503		1772
1504	$self->enter_map ($LINK_MAP, 20, 20);	1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1505	}	1774	}
1506		1775
1507	sub cf::object::player::leave_link {	1776	sub cf::object::player::leave_link {
1508	my ($self, $map, $x, $y) = @_;	1777	my ($self, $map, $x, $y) = @_;
1509		1778
1510	my $link_pos = delete $self->{_link_pos};	1779	my $link_pos = delete $self->{_link_pos};
1511		1780
1512	unless ($map) {	1781	unless ($map) {
1513	# restore original map position	1782	# restore original map position
1514	($map, $x, $y) = @{ $link_pos || [] };	1783	($map, $x, $y) = @{ $link_pos || [] };
1515	$map = cf::map::find_map $map;	1784	$map = cf::map::find $map;
1516		1785
1517	unless ($map) {	1786	unless ($map) {
1518	($map, $x, $y) = @$EMERGENCY_POSITION;	1787	($map, $x, $y) = @$EMERGENCY_POSITION;
1519	$map = cf::map::find_map $map	1788	$map = cf::map::find $map
1520	or die "FATAL: cannot load emergency map\n";	1789	or die "FATAL: cannot load emergency map\n";
1521	}	1790	}
1522	}	1791	}
1523		1792
1524	($x, $y) = (-1, -1)	1793	($x, $y) = (-1, -1)
…		…
1527	# use -1 or undef as default coordinates, not 0, 0	1796	# use -1 or undef as default coordinates, not 0, 0
1528	($x, $y) = ($map->enter_x, $map->enter_y)	1797	($x, $y) = ($map->enter_x, $map->enter_y)
1529	if $x <=0 && $y <= 0;	1798	if $x <=0 && $y <= 0;
1530		1799
1531	$map->load;	1800	$map->load;
		1801	$map->load_diag;
1532		1802
		1803	return unless $self->contr->active;
1533	$self->activate_recursive;	1804	$self->activate_recursive;
1534	$self->enter_map ($map, $x, $y);	1805	$self->enter_map ($map, $x, $y);
1535	}	1806	}
1536		1807
1537	cf::player->attach (	1808	cf::player->attach (
…		…
1550		1821
1551	# try to abort aborted map switching on player login :)	1822	# try to abort aborted map switching on player login :)
1552	# should happen only on crashes	1823	# should happen only on crashes
1553	if ($pl->ob->{_link_pos}) {	1824	if ($pl->ob->{_link_pos}) {
1554	$pl->ob->enter_link;	1825	$pl->ob->enter_link;
1555	cf::async {	1826	(async {
1556	# we need this sleep as the login has a concurrent enter_exit running	1827	# 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	1828	# and this sleep increases chances of the player not ending up in scorn
		1829	$pl->ob->reply (undef,
		1830	"There was an internal problem at your last logout, "
		1831	. "the server will try to bring you to your intended destination in a second.",
		1832	cf::NDI_RED);
1558	Coro::Timer::sleep 1;	1833	Coro::Timer::sleep 1;
1559	$pl->ob->leave_link;	1834	$pl->ob->leave_link;
1560	};	1835	})->prio (2);
1561	}	1836	}
1562	},	1837	},
1563	);	1838	);
1564		1839
1565	=item $player_object->goto_map ($path, $x, $y)	1840	=item $player_object->goto ($path, $x, $y)
1566		1841
1567	=cut	1842	=cut
1568		1843
1569	sub cf::object::player::goto_map {	1844	sub cf::object::player::goto {
1570	my ($self, $path, $x, $y) = @_;	1845	my ($self, $path, $x, $y) = @_;
1571		1846
1572	$self->enter_link;	1847	$self->enter_link;
1573		1848
1574	(cf::async {	1849	(async {
1575	$path = new cf::path $path;	1850	my $map = eval {
1576
1577	my $map = cf::map::find_map $path->as_string;	1851	my $map = cf::map::find $path;
1578	$map = $map->customise_for ($self) if $map;	1852	$map = $map->customise_for ($self) if $map;
1579		1853	$map
1580	# warn "entering ", $map->path, " at ($x, $y)\n"	1854	} or
1581	# if $map;
1582
1583	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1584		1856
1585	$self->leave_link ($map, $x, $y);	1857	$self->leave_link ($map, $x, $y);
1586	})->prio (1);	1858	})->prio (1);
1587	}	1859	}
1588		1860
…		…
1592		1864
1593	sub parse_random_map_params {	1865	sub parse_random_map_params {
1594	my ($spec) = @_;	1866	my ($spec) = @_;
1595		1867
1596	my $rmp = { # defaults	1868	my $rmp = { # defaults
1597	xsize => 10,	1869	xsize => (cf::rndm 15, 40),
1598	ysize => 10,	1870	ysize => (cf::rndm 15, 40),
		1871	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1872	#layout => string,
1599	};	1873	};
1600		1874
1601	for (split /\n/, $spec) {	1875	for (split /\n/, $spec) {
1602	my ($k, $v) = split /\s+/, $_, 2;	1876	my ($k, $v) = split /\s+/, $_, 2;
1603		1877
…		…
1607	$rmp	1881	$rmp
1608	}	1882	}
1609		1883
1610	sub prepare_random_map {	1884	sub prepare_random_map {
1611	my ($exit) = @_;	1885	my ($exit) = @_;
		1886
		1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1612		1888
1613	# all this does is basically replace the /! path by	1889	# all this does is basically replace the /! path by
1614	# a new random map path (?random/...) with a seed	1890	# a new random map path (?random/...) with a seed
1615	# that depends on the exit object	1891	# that depends on the exit object
1616		1892
1617	my $rmp = parse_random_map_params $exit->msg;	1893	my $rmp = parse_random_map_params $exit->msg;
1618		1894
1619	if ($exit->map) {	1895	if ($exit->map) {
1620	$rmp->{region} = $exit->map->region_name;	1896	$rmp->{region} = $exit->region->name;
1621	$rmp->{origin_map} = $exit->map->path;	1897	$rmp->{origin_map} = $exit->map->path;
1622	$rmp->{origin_x} = $exit->x;	1898	$rmp->{origin_x} = $exit->x;
1623	$rmp->{origin_y} = $exit->y;	1899	$rmp->{origin_y} = $exit->y;
1624	}	1900	}
1625		1901
1626	$rmp->{random_seed} ||= $exit->random_seed;	1902	$rmp->{random_seed} ||= $exit->random_seed;
1627		1903
1628	my $data = cf::to_json $rmp;	1904	my $data = cf::to_json $rmp;
1629	my $md5 = Digest::MD5::md5_hex $data;	1905	my $md5 = Digest::MD5::md5_hex $data;
		1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1630		1907
1631	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1632	aio_write $fh, 0, (length $data), $data, 0;	1909	aio_write $fh, 0, (length $data), $data, 0;
		1910	undef $fh;
		1911	aio_rename "$meta~", $meta;
1633		1912
1634	$exit->slaying ("?random/$md5");	1913	$exit->slaying ("?random/$md5");
1635	$exit->msg (undef);	1914	$exit->msg (undef);
1636	}	1915	}
1637	}	1916	}
…		…
1639	sub cf::object::player::enter_exit {	1918	sub cf::object::player::enter_exit {
1640	my ($self, $exit) = @_;	1919	my ($self, $exit) = @_;
1641		1920
1642	return unless $self->type == cf::PLAYER;	1921	return unless $self->type == cf::PLAYER;
1643		1922
		1923	if ($exit->slaying eq "/!") {
		1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1925	cf::sync_job { prepare_random_map $exit };
		1926	}
		1927
		1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1929	my $hp = $exit->stats->hp;
		1930	my $sp = $exit->stats->sp;
		1931
1644	$self->enter_link;	1932	$self->enter_link;
1645		1933
1646	(cf::async {	1934	(async {
		1935	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	1936	unless (eval {
1648	prepare_random_map $exit	1937	$self->goto ($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		1938
1654	1;	1939	1;
1655	}) {	1940	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	1941	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	1942	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	1943	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	1944	cf::NDI_UNIQUE | cf::NDI_RED);
1660		1945
1661	warn "ERROR in enter_exit: $@";	1946	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	1947	$self->leave_link;
1663	}	1948	}
…		…
1718	# get handled first	2003	# get handled first
1719	my $queue = delete $ns->{query_queue}	2004	my $queue = delete $ns->{query_queue}
1720	or return; # be conservative, not sure how that can happen, but we saw a crash here	2005	or return; # be conservative, not sure how that can happen, but we saw a crash here
1721		2006
1722	(shift @$queue)->[1]->($msg);	2007	(shift @$queue)->[1]->($msg);
		2008	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1723		2009
1724	push @{ $ns->{query_queue} }, @$queue;	2010	push @{ $ns->{query_queue} }, @$queue;
1725		2011
1726	if (@{ $ns->{query_queue} } == @$queue) {	2012	if (@{ $ns->{query_queue} } == @$queue) {
1727	if (@$queue) {	2013	if (@$queue) {
…		…
1731	}	2017	}
1732	}	2018	}
1733	},	2019	},
1734	);	2020	);
1735		2021
1736	=item $client->coro (\&cb)	2022	=item $client->async (\&cb)
1737		2023
1738	Create a new coroutine, running the specified callback. The coroutine will	2024	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	2025	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	2026	or loss of connection).
1741		2027
1742	=cut	2028	=cut
1743		2029
1744	sub cf::client::coro {	2030	sub cf::client::async {
1745	my ($self, $cb) = @_;	2031	my ($self, $cb) = @_;
1746		2032
1747	my $coro = &cf::async ($cb);	2033	my $coro = &Coro::async ($cb);
1748		2034
1749	$coro->on_destroy (sub {	2035	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	2036	delete $self->{_coro}{$coro+0};
1751	});	2037	});
1752		2038
…		…
1946	sub db_sync() {	2232	sub db_sync() {
1947	db_save if $dirty;	2233	db_save if $dirty;
1948	undef $dirty;	2234	undef $dirty;
1949	}	2235	}
1950		2236
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2237	my $idle = Event->idle (
1952	db_sync;	2238	reentrant => 0,
		2239	min => 10,
		2240	max => 20,
		2241	repeat => 0,
		2242	data => WF_AUTOCANCEL,
		2243	cb => \&db_sync,
1953	});	2244	);
1954		2245
1955	sub db_dirty() {	2246	sub db_dirty() {
1956	$dirty = 1;	2247	$dirty = 1;
1957	$idle->start;	2248	$idle->start;
1958	}	2249	}
…		…
1990	local $/;	2281	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2282	*CFG = YAML::Syck::Load <$fh>;
1992		2283
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2284	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		2285
		2286	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2287	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2288
1995	if (exists $CFG{mlockall}) {	2289	if (exists $CFG{mlockall}) {
1996	eval {	2290	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2291	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2292	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2293	};
2000	warn $@ if $@;	2294	warn $@ if $@;
2001	}	2295	}
2002	}	2296	}
2003		2297
2004	sub main {	2298	sub main {
2005	# we must not ever block the main coroutine	2299	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2300	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2301	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	2302	(async {
2009	Event::one_event;	2303	Event::one_event;
2010	})->();	2304	})->prio (Coro::PRIO_MAX);
2011	};	2305	};
2012		2306
2013	cfg_load;	2307	cfg_load;
2014	db_load;	2308	db_load;
2015	load_extensions;	2309	load_extensions;
		2310
		2311	$TICK_WATCHER->start;
2016	Event::loop;	2312	Event::loop;
2017	}	2313	}
2018		2314
2019	#############################################################################	2315	#############################################################################
2020	# initialisation	2316	# initialisation and cleanup
		2317
		2318	# install some emergency cleanup handlers
		2319	BEGIN {
		2320	for my $signal (qw(INT HUP TERM)) {
		2321	Event->signal (
		2322	reentrant => 0,
		2323	data => WF_AUTOCANCEL,
		2324	signal => $signal,
		2325	prio => 0,
		2326	cb => sub {
		2327	cf::cleanup "SIG$signal";
		2328	},
		2329	);
		2330	}
		2331	}
		2332
		2333	sub emergency_save() {
		2334	my $freeze_guard = cf::freeze_mainloop;
		2335
		2336	warn "enter emergency perl save\n";
		2337
		2338	cf::sync_job {
		2339	# use a peculiar iteration method to avoid tripping on perl
		2340	# refcount bugs in for. also avoids problems with players
		2341	# and maps saved/destroyed asynchronously.
		2342	warn "begin emergency player save\n";
		2343	for my $login (keys %cf::PLAYER) {
		2344	my $pl = $cf::PLAYER{$login} or next;
		2345	$pl->valid or next;
		2346	$pl->save;
		2347	}
		2348	warn "end emergency player save\n";
		2349
		2350	warn "begin emergency map save\n";
		2351	for my $path (keys %cf::MAP) {
		2352	my $map = $cf::MAP{$path} or next;
		2353	$map->valid or next;
		2354	$map->save;
		2355	}
		2356	warn "end emergency map save\n";
		2357	};
		2358
		2359	warn "leave emergency perl save\n";
		2360	}
2021		2361
2022	sub reload() {	2362	sub reload() {
2023	# can/must only be called in main	2363	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2364	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2365	warn "can only reload from main coroutine";
2026	return;	2366	return;
2027	}	2367	}
2028		2368
2029	warn "reloading...";	2369	warn "reloading...";
2030		2370
2031	local $FREEZE = 1;	2371	warn "cancelling server ticker";
		2372	$TICK_WATCHER->cancel;
		2373
2032	cf::emergency_save;	2374	cf::emergency_save;
2033		2375
2034	eval {	2376	eval {
2035	# if anything goes wrong in here, we should simply crash as we already saved	2377	# if anything goes wrong in here, we should simply crash as we already saved
2036		2378
2037	# cancel all watchers	2379	warn "syncing database to disk";
		2380	cf::db_sync;
		2381
		2382	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	2383	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2384	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2385	}
2041		2386
		2387	warn "flushing outstanding aio requests";
		2388	for (;;) {
		2389	IO::AIO::flush;
		2390	Coro::cede;
		2391	last unless IO::AIO::nreqs;
		2392	warn "iterate...";
		2393	}
		2394
2042	# cancel all extension coros	2395	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	2396	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2397	%EXT_CORO = ();
2045		2398
2046	# unload all extensions	2399	warn "removing commands";
2047	for (@exts) {	2400	%COMMAND = ();
		2401
		2402	warn "removing ext commands";
		2403	%EXTCMD = ();
		2404
		2405	warn "unloading/nuking all extensions";
		2406	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2407	warn "... unloading $pkg";
2049	unload_extension $_;	2408
		2409	if (my $cb = $pkg->can ("unload")) {
		2410	eval {
		2411	$cb->($pkg);
		2412	1
		2413	} or warn "$pkg unloaded, but with errors: $@";
2050	}	2414	}
2051		2415
		2416	warn "... nuking $pkg";
		2417	Symbol::delete_package $pkg;
		2418	}
		2419
2052	# unload all modules loaded from $LIBDIR	2420	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2421	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2422	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2423
2056	warn "removing <$k>";	2424	warn "... unloading $k";
2057	delete $INC{$k};	2425	delete $INC{$k};
2058		2426
2059	$k =~ s/\.pm$//;	2427	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	2428	$k =~ s/\//::/g;
2061		2429
…		…
2064	}	2432	}
2065		2433
2066	Symbol::delete_package $k;	2434	Symbol::delete_package $k;
2067	}	2435	}
2068		2436
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2437	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2438	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2439	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		2440
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2441	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2442	delete $INC{"cf.pm"};
2082		2443
2083	# don't, removes xs symbols, too,	2444	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2445	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2446	#Symbol::delete_package __PACKAGE__;
2086		2447
2087	# reload cf.pm	2448	warn "unload completed, starting to reload now";
		2449
2088	warn "reloading cf.pm";	2450	warn "reloading cf.pm";
2089	require cf;	2451	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2452	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2453
2092	# load config and database again	2454	warn "loading config and database again";
2093	cf::cfg_load;	2455	cf::cfg_load;
2094	cf::db_load;	2456	cf::db_load;
2095		2457
2096	# load extensions
2097	warn "load extensions";	2458	warn "loading extensions";
2098	cf::load_extensions;	2459	cf::load_extensions;
2099		2460
2100	# reattach attachments to objects	2461	warn "reattaching attachments to objects/players";
2101	warn "reattach";
2102	_global_reattach;	2462	_global_reattach;
		2463	warn "reattaching attachments to maps";
		2464	reattach $_ for values %MAP;
		2465
		2466	warn "restarting server ticker";
		2467
		2468	$TICK_WATCHER->start;
2103	};	2469	};
2104		2470
2105	if ($@) {	2471	if ($@) {
2106	warn $@;	2472	warn $@;
2107	warn "error while reloading, exiting.";	2473	warn "error while reloading, exiting.";
2108	exit 1;	2474	exit 1;
2109	}	2475	}
2110		2476
2111	warn "reloaded successfully";	2477	warn "reloaded";
2112	};	2478	};
2113		2479
2114	#############################################################################	2480	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} = $LINK_MAP;
2155	}
2156
2157	register "<global>", __PACKAGE__;
2158		2481
2159	register_command "reload" => sub {	2482	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2483	my ($who, $arg) = @_;
2161		2484
2162	if ($who->flag (FLAG_WIZ)) {	2485	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");	2486	$who->message ("reloading server.");
		2487
		2488	# doing reload synchronously and two reloads happen back-to-back,
		2489	# coro crashes during coro_state_free->destroy here.
		2490
		2491	$RELOAD_WATCHER ||= Event->timer (
		2492	reentrant => 0,
		2493	after => 0,
		2494	data => WF_AUTOCANCEL,
		2495	cb => sub {
2164	reload;	2496	reload;
2165	$who->message ("end of reload.");	2497	undef $RELOAD_WATCHER;
		2498	},
		2499	);
2166	}	2500	}
2167	};	2501	};
2168		2502
2169	unshift @INC, $LIBDIR;	2503	unshift @INC, $LIBDIR;
		2504
		2505	my $bug_warning = 0;
2170		2506
2171	$TICK_WATCHER = Event->timer (	2507	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	2508	reentrant => 0,
		2509	parked => 1,
2173	prio => 0,	2510	prio => 0,
2174	at => $NEXT_TICK || $TICK,	2511	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	2512	data => WF_AUTOCANCEL,
2176	cb => sub {	2513	cb => sub {
2177	unless ($FREEZE) {	2514	if ($Coro::current != $Coro::main) {
		2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2516	unless ++$bug_warning > 10;
		2517	return;
		2518	}
		2519
		2520	$NOW = Event::time;
		2521
2178	cf::server_tick; # one server iteration	2522	cf::server_tick; # one server iteration
2179	$RUNTIME += $TICK;	2523	$RUNTIME += $TICK;
2180	}
2181
2182	$NEXT_TICK += $TICK;	2524	$NEXT_TICK += $TICK;
		2525
		2526	$WAIT_FOR_TICK->broadcast;
		2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2528
		2529	Event::sweep;
		2530	Coro::cede_notself;
		2531
		2532	# my $AFTER = Event::time;
		2533	# warn $AFTER - $NOW;#d#
2183		2534
2184	# if we are delayed by four ticks or more, skip them all	2535	# if we are delayed by four ticks or more, skip them all
2185	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2186		2537
2187	$TICK_WATCHER->at ($NEXT_TICK);	2538	$TICK_WATCHER->at ($NEXT_TICK);
2188	$TICK_WATCHER->start;	2539	$TICK_WATCHER->start;
2189	},	2540	},
2190	);	2541	);
2191		2542
2192	IO::AIO::max_poll_time $TICK * 0.2;	2543	IO::AIO::max_poll_time $TICK * 0.1;
2193		2544
2194	Event->io (	2545	undef $Coro::AIO::WATCHER;
		2546	$AIO_POLL_WATCHER = Event->io (
		2547	reentrant => 0,
2195	fd => IO::AIO::poll_fileno,	2548	fd => IO::AIO::poll_fileno,
2196	poll => 'r',	2549	poll => 'r',
2197	prio => 5,	2550	prio => 6,
2198	data => WF_AUTOCANCEL,	2551	data => WF_AUTOCANCEL,
2199	cb => \&IO::AIO::poll_cb,	2552	cb => \&IO::AIO::poll_cb,
2200	);	2553	);
2201		2554
2202	Event->timer (	2555	$WRITE_RUNTIME_WATCHER = Event->timer (
		2556	reentrant => 0,
2203	data => WF_AUTOCANCEL,	2557	data => WF_AUTOCANCEL,
2204	after => 0,	2558	after => 1,
2205	interval => 10,	2559	interval => 10,
2206	cb => sub {	2560	prio => 6, # keep it lowest so it acts like a watchdog
2207	(Coro::unblock_sub {	2561	cb => Coro::unblock_sub {
2208	write_runtime	2562	write_runtime
2209	or warn "ERROR: unable to write runtime file: $!";	2563	or warn "ERROR: unable to write runtime file: $!";
2210	})->();
2211	},	2564	},
2212	);	2565	);
2213		2566
2214	END { cf::emergency_save }	2567	END { cf::emergency_save }
2215		2568

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