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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.132 by root, Thu Jan 4 01:35:56 2007 UTC vs.
Revision 1.200 by root, Mon Jan 29 17:57:22 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	my $files = aio_readdir playerdir $pl
		1085	or return;
		1086
		1087	my @paths;
		1088
		1089	for (@$files) {
		1090	utf8::decode $_;
		1091	next if /\.(?:pl|pst)$/;
		1092	next unless /^$PATH_SEP/o;
		1093
		1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;
		1095	}
		1096
		1097	\@paths
1111	}	1098	}
1112		1099
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1100	=item $player->ext_reply ($msgid, $msgtype, %msg)
1114		1101
1115	Sends an ext reply to the player.	1102	Sends an ext reply to the player.
1116		1103
1117	=cut	1104	=cut
1118		1105
1119	sub cf::player::ext_reply($$$%) {	1106	sub ext_reply($$$%) {
1120	my ($self, $id, %msg) = @_;	1107	my ($self, $id, %msg) = @_;
1121		1108
1122	$msg{msgid} = $id;	1109	$msg{msgid} = $id;
1123		1110
1124	$self->send ("ext " . to_json \%msg);	1111	$self->send ("ext " . cf::to_json \%msg);
1125	}	1112	}
		1113
		1114	package cf;
1126		1115
1127	=back	1116	=back
1128		1117
1129		1118
1130	=head3 cf::map	1119	=head3 cf::map
…		…
1136	package cf::map;	1125	package cf::map;
1137		1126
1138	use Fcntl;	1127	use Fcntl;
1139	use Coro::AIO;	1128	use Coro::AIO;
1140		1129
		1130	use overload
		1131	'""' => \&as_string,
		1132	fallback => 1;
		1133
1141	our $MAX_RESET = 7200;	1134	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1135	our $DEFAULT_RESET = 3000;
1143		1136
1144	sub generate_random_map {	1137	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1138	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1139	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1140	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1144	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1145	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1146	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1147	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1148	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1149	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1150	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(cf::region::find $rmp->{region})	1151	(cf::region::find $rmp->{region}), $rmp->{custom}
		1152	)
		1153	}
		1154
		1155	=item cf::map->register ($regex, $prio)
		1156
		1157	Register a handler for the map path matching the given regex at the
		1158	givne priority (higher is better, built-in handlers have priority 0, the
		1159	default).
		1160
		1161	=cut
		1162
		1163	sub register {
		1164	my (undef, $regex, $prio) = @_;
		1165	my $pkg = caller;
		1166
		1167	no strict;
		1168	push @{"$pkg\::ISA"}, __PACKAGE__;
		1169
		1170	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1171	}
		1172
		1173	# also paths starting with '/'
		1174	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1175
		1176	sub thawer_merge {
		1177	my ($self, $merge) = @_;
		1178
		1179	# we have to keep some variables in memory intact
		1180	local $self->{path};
		1181	local $self->{load_path};
		1182	local $self->{deny_save};
		1183	local $self->{deny_reset};
		1184
		1185	$self->SUPER::thawer_merge ($merge);
		1186	}
		1187
		1188	sub normalise {
		1189	my ($path, $base) = @_;
		1190
		1191	$path = "$path"; # make sure its a string
		1192
		1193	$path =~ s/\.map$//;
		1194
		1195	# map plan:
		1196	#
		1197	# /! non-realised random map exit (special hack!)
		1198	# {... are special paths that are not being touched
		1199	# ?xxx/... are special absolute paths
		1200	# ?random/... random maps
		1201	# /... normal maps
		1202	# ~user/... per-player map of a specific user
		1203
		1204	$path =~ s/$PATH_SEP/\//go;
		1205
		1206	# treat it as relative path if it starts with
		1207	# something that looks reasonable
		1208	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1209	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1210
		1211	$base =~ s{[^/]+/?$}{};
		1212	$path = "$base/$path";
		1213	}
		1214
		1215	for ($path) {
		1216	redo if s{//}{/};
		1217	redo if s{/\.?/}{/};
		1218	redo if s{/[^/]+/\.\./}{/};
		1219	}
		1220
		1221	$path
		1222	}
		1223
		1224	sub new_from_path {
		1225	my (undef, $path, $base) = @_;
		1226
		1227	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1228
		1229	$path = normalise $path, $base;
		1230
		1231	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1232	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1233	my $self = bless cf::map::new, $pkg;
		1234	$self->{path} = $path; $self->path ($path);
		1235	$self->init; # pass $1 etc.
		1236	return $self;
		1237	}
		1238	}
		1239
		1240	Carp::carp "unable to resolve path '$path' (base '$base').";
		1241	()
		1242	}
		1243
		1244	sub init {
		1245	my ($self) = @_;
		1246
		1247	$self
		1248	}
		1249
		1250	sub as_string {
		1251	my ($self) = @_;
		1252
		1253	"$self->{path}"
		1254	}
		1255
		1256	# the displayed name, this is a one way mapping
		1257	sub visible_name {
		1258	&as_string
		1259	}
		1260
		1261	# the original (read-only) location
		1262	sub load_path {
		1263	my ($self) = @_;
		1264
		1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1266	}
		1267
		1268	# the temporary/swap location
		1269	sub save_path {
		1270	my ($self) = @_;
		1271
		1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1274	}
		1275
		1276	# the unique path, undef == no special unique path
		1277	sub uniq_path {
		1278	my ($self) = @_;
		1279
		1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1161	}	1282	}
1162		1283
1163	# and all this just because we cannot iterate over	1284	# and all this just because we cannot iterate over
1164	# all maps in C++...	1285	# all maps in C++...
1165	sub change_all_map_light {	1286	sub change_all_map_light {
…		…
1167		1288
1168	$_->change_map_light ($change)	1289	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1290	for grep $_->outdoor, values %cf::MAP;
1170	}	1291	}
1171		1292
		1293	sub unlink_save {
		1294	my ($self) = @_;
		1295
		1296	utf8::encode (my $save = $self->save_path);
		1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1299
		1300	#d#TODO remove .map and also nuke
		1301	$save =~ s/\.map// or return;#d#
		1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1304	}
		1305
1172	sub try_load_header($) {	1306	sub load_header_from($) {
1173	my ($path) = @_;	1307	my ($self, $path) = @_;
1174		1308
1175	utf8::encode $path;	1309	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1310	#aio_open $path, O_RDONLY, 0
		1311	# or return;
		1312
		1313	$self->_load_header ($path)
1177	or return;	1314	or return;
1178		1315
1179	my $map = cf::map::new	1316	$self->{load_path} = $path;
		1317
		1318	1
		1319	}
		1320
		1321	sub load_header_orig {
		1322	my ($self) = @_;
		1323
		1324	$self->load_header_from ($self->load_path)
		1325	}
		1326
		1327	sub load_header_temp {
		1328	my ($self) = @_;
		1329
		1330	$self->load_header_from ($self->save_path)
		1331	}
		1332
		1333	sub prepare_temp {
		1334	my ($self) = @_;
		1335
		1336	$self->last_access ((delete $self->{last_access})
		1337	|| $cf::RUNTIME); #d#
		1338	# safety
		1339	$self->{instantiate_time} = $cf::RUNTIME
		1340	if $self->{instantiate_time} > $cf::RUNTIME;
		1341	}
		1342
		1343	sub prepare_orig {
		1344	my ($self) = @_;
		1345
		1346	$self->{load_original} = 1;
		1347	$self->{instantiate_time} = $cf::RUNTIME;
		1348	$self->last_access ($cf::RUNTIME);
		1349	$self->instantiate;
		1350	}
		1351
		1352	sub load_header {
		1353	my ($self) = @_;
		1354
		1355	if ($self->load_header_temp) {
		1356	$self->prepare_temp;
		1357	} else {
		1358	$self->load_header_orig
1180	or return;	1359	or return;
		1360	$self->prepare_orig;
		1361	}
1181		1362
1182	$map->load_header ($path)	1363	1
1183	or return;
1184
1185	$map->{load_path} = $path;
1186
1187	$map
1188	}	1364	}
1189		1365
1190	sub find_map;	1366	sub find;
1191	sub find_map {	1367	sub find {
1192	my ($path, $origin) = @_;	1368	my ($path, $origin) = @_;
1193		1369
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1370	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1371
1199	cf::lock_wait "map_find:$key";	1372	cf::lock_wait "map_find:$path";
1200		1373
1201	$cf::MAP{$key} || do {	1374	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1375	my $guard = cf::lock_acquire "map_find:$path";
1203		1376	my $map = new_from_path cf::map $path
1204	# do it the slow way
1205	my $map = try_load_header $path->save_path;
1206
1207	if ($map) {
1208	$map->last_access ((delete $map->{last_access})
1209	|| $cf::RUNTIME); #d#
1210	# safety
1211	$map->{instantiate_time} = $cf::RUNTIME
1212	if $map->{instantiate_time} > $cf::RUNTIME;
1213	} else {
1214	if (my $rmp = $path->random_map_params) {
1215	$map = generate_random_map $key, $rmp;
1216	} else {
1217	$map = try_load_header $path->load_path;
1218	}
1219
1220	$map or return;	1377	or return;
1221		1378
1222	$map->{load_original} = 1;
1223	$map->{instantiate_time} = $cf::RUNTIME;
1224	$map->last_access ($cf::RUNTIME);
1225	$map->instantiate;
1226
1227	# per-player maps become, after loading, normal maps
1228	$map->per_player (0) if $path->{user_rel};
1229	}
1230
1231	$map->path ($key);
1232	$map->{path} = $path;
1233	$map->{last_save} = $cf::RUNTIME;	1379	$map->{last_save} = $cf::RUNTIME;
1234		1380
1235	if ($map->should_reset) {	1381	$map->load_header
		1382	or return;
		1383
		1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1385	# doing this can freeze the server in a sync job, obviously
		1386	#$cf::WAIT_FOR_TICK->wait;
1236	$map->reset;	1387	$map->reset;
1237	undef $guard;	1388	undef $guard;
1238	$map = find_map $path	1389	return find $path;
1239	or return;
1240	}	1390	}
1241		1391
1242	$cf::MAP{$key} = $map	1392	$cf::MAP{$path} = $map
1243	}	1393	}
1244	}	1394	}
		1395
		1396	sub pre_load { }
		1397	sub post_load { }
1245		1398
1246	sub load {	1399	sub load {
1247	my ($self) = @_;	1400	my ($self) = @_;
1248		1401
		1402	local $self->{deny_reset} = 1; # loading can take a long time
		1403
1249	my $path = $self->{path};	1404	my $path = $self->{path};
1250	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1405	my $guard = cf::lock_acquire "map_load:$path";
1251		1406
1252	return if $self->in_memory != cf::MAP_SWAPPED;	1407	return if $self->in_memory != cf::MAP_SWAPPED;
1253		1408
1254	$self->in_memory (cf::MAP_LOADING);	1409	$self->in_memory (cf::MAP_LOADING);
1255		1410
1256	$self->alloc;	1411	$self->alloc;
		1412
		1413	$self->pre_load;
		1414
1257	$self->load_objects ($self->{load_path}, 1)	1415	$self->_load_objects ($self->{load_path}, 1)
1258	or return;	1416	or return;
1259		1417
1260	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1261	if delete $self->{load_original};	1419	if delete $self->{load_original};
1262		1420
1263	if (my $uniq = $path->uniq_path) {	1421	if (my $uniq = $self->uniq_path) {
1264	utf8::encode $uniq;	1422	utf8::encode $uniq;
1265	if (aio_open $uniq, O_RDONLY, 0) {	1423	if (aio_open $uniq, O_RDONLY, 0) {
1266	$self->clear_unique_items;	1424	$self->clear_unique_items;
1267	$self->load_objects ($uniq, 0);	1425	$self->_load_objects ($uniq, 0);
1268	}	1426	}
1269	}	1427	}
		1428
		1429	Coro::cede;
1270		1430
1271	# now do the right thing for maps	1431	# now do the right thing for maps
1272	$self->link_multipart_objects;	1432	$self->link_multipart_objects;
1273		1433
1274	if ($self->{path}->is_style_map) {	1434	unless ($self->{deny_activate}) {
1275	$self->{deny_save} = 1;	1435	$self->decay_objects;
1276	$self->{deny_reset} = 1;
1277	} else {
1278	$self->fix_auto_apply;	1436	$self->fix_auto_apply;
1279	$self->decay_objects;
1280	$self->update_buttons;	1437	$self->update_buttons;
		1438	Coro::cede;
1281	$self->set_darkness_map;	1439	$self->set_darkness_map;
1282	$self->difficulty ($self->estimate_difficulty)	1440	$self->difficulty ($self->estimate_difficulty)
1283	unless $self->difficulty;	1441	unless $self->difficulty;
		1442	Coro::cede;
1284	$self->activate;	1443	$self->activate;
1285	}	1444	}
1286		1445
		1446	$self->post_load;
		1447
1287	$self->in_memory (cf::MAP_IN_MEMORY);	1448	$self->in_memory (cf::MAP_IN_MEMORY);
1288	}	1449	}
1289		1450
1290	sub load_map_sync {	1451	sub customise_for {
		1452	my ($self, $ob) = @_;
		1453
		1454	return find "~" . $ob->name . "/" . $self->{path}
		1455	if $self->per_player;
		1456
		1457	$self
		1458	}
		1459
		1460	# find and load all maps in the 3x3 area around a map
		1461	sub load_diag {
		1462	my ($map) = @_;
		1463
		1464	my @diag; # diagonal neighbours
		1465
		1466	for (0 .. 3) {
		1467	my $neigh = $map->tile_path ($_)
		1468	or next;
		1469	$neigh = find $neigh, $map
		1470	or next;
		1471	$neigh->load;
		1472
		1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1475	}
		1476
		1477	for (@diag) {
		1478	my $neigh = find @$_
		1479	or next;
		1480	$neigh->load;
		1481	}
		1482	}
		1483
		1484	sub find_sync {
1291	my ($path, $origin) = @_;	1485	my ($path, $origin) = @_;
1292		1486
1293	#warn "load_map_sync<$path, $origin>\n";#d#	1487	cf::sync_job { find $path, $origin }
		1488	}
1294		1489
1295	cf::sync_job {	1490	sub do_load_sync {
1296	my $map = cf::map::find_map $path, $origin	1491	my ($map) = @_;
1297	or return;	1492
		1493	cf::sync_job { $map->load };
		1494	}
		1495
		1496	our %MAP_PREFETCH;
		1497	our $MAP_PREFETCHER = undef;
		1498
		1499	sub find_async {
		1500	my ($path, $origin) = @_;
		1501
		1502	$path = normalise $path, $origin && $origin->{path};
		1503
		1504	if (my $map = $cf::MAP{$path}) {
		1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1506	}
		1507
		1508	undef $MAP_PREFETCH{$path};
		1509	$MAP_PREFETCHER ||= cf::async {
		1510	while (%MAP_PREFETCH) {
		1511	for my $path (keys %MAP_PREFETCH) {
		1512	my $map = find $path
		1513	or next;
1298	$map->load;	1514	$map->load;
1299	$map	1515
		1516	delete $MAP_PREFETCH{$path};
		1517	}
		1518	}
		1519	undef $MAP_PREFETCHER;
1300	}	1520	};
		1521	$MAP_PREFETCHER->prio (6);
		1522
		1523	()
1301	}	1524	}
1302		1525
1303	sub save {	1526	sub save {
1304	my ($self) = @_;	1527	my ($self) = @_;
1305		1528
		1529	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1530
1306	$self->{last_save} = $cf::RUNTIME;	1531	$self->{last_save} = $cf::RUNTIME;
1307		1532
1308	return unless $self->dirty;	1533	return unless $self->dirty;
1309		1534
1310	my $save = $self->{path}->save_path; utf8::encode $save;	1535	my $save = $self->save_path; utf8::encode $save;
1311	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1536	my $uniq = $self->uniq_path; utf8::encode $uniq;
1312		1537
1313	$self->{load_path} = $save;	1538	$self->{load_path} = $save;
1314		1539
1315	return if $self->{deny_save};	1540	return if $self->{deny_save};
1316		1541
1317	local $self->{last_access} = $self->last_access;#d#	1542	local $self->{last_access} = $self->last_access;#d#
1318		1543
		1544	cf::async {
		1545	$_->contr->save for $self->players;
		1546	};
		1547
1319	if ($uniq) {	1548	if ($uniq) {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1321	$self->save_objects ($uniq, cf::IO_UNIQUES);	1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1322	} else {	1551	} else {
1323	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1552	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1324	}	1553	}
1325	}	1554	}
1326		1555
1327	sub swap_out {	1556	sub swap_out {
1328	my ($self) = @_;	1557	my ($self) = @_;
1329		1558
1330	# save first because save cedes	1559	# save first because save cedes
1331	$self->save;	1560	$self->save;
		1561
		1562	my $lock = cf::lock_acquire "map_data:" . $self->path;
1332		1563
1333	return if $self->players;	1564	return if $self->players;
1334	return if $self->in_memory != cf::MAP_IN_MEMORY;	1565	return if $self->in_memory != cf::MAP_IN_MEMORY;
1335	return if $self->{deny_save};	1566	return if $self->{deny_save};
1336		1567
…		…
1340		1571
1341	sub reset_at {	1572	sub reset_at {
1342	my ($self) = @_;	1573	my ($self) = @_;
1343		1574
1344	# TODO: safety, remove and allow resettable per-player maps	1575	# TODO: safety, remove and allow resettable per-player maps
1345	return 1e99 if $self->{path}{user_rel};	1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1346	return 1e99 if $self->{deny_reset};	1577	return 1e99 if $self->{deny_reset};
1347		1578
1348	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1349	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1350		1581
…		…
1355	my ($self) = @_;	1586	my ($self) = @_;
1356		1587
1357	$self->reset_at <= $cf::RUNTIME	1588	$self->reset_at <= $cf::RUNTIME
1358	}	1589	}
1359		1590
1360	sub unlink_save {
1361	my ($self) = @_;
1362
1363	utf8::encode (my $save = $self->{path}->save_path);
1364	aioreq_pri 3; IO::AIO::aio_unlink $save;
1365	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1366	}
1367
1368	sub rename {
1369	my ($self, $new_path) = @_;
1370
1371	$self->unlink_save;
1372
1373	delete $cf::MAP{$self->path};
1374	$self->{path} = new cf::path $new_path;
1375	$self->path ($self->{path}->as_string);
1376	$cf::MAP{$self->path} = $self;
1377
1378	$self->save;
1379	}
1380
1381	sub reset {	1591	sub reset {
1382	my ($self) = @_;	1592	my ($self) = @_;
1383		1593
		1594	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1595
1384	return if $self->players;	1596	return if $self->players;
1385	return if $self->{path}{user_rel};#d#	1597	return if $self->isa ("ext::map_per_player");#d#
1386		1598
1387	warn "resetting map ", $self->path;#d#	1599	warn "resetting map ", $self->path;#d#
1388		1600
1389	delete $cf::MAP{$self->path};	1601	delete $cf::MAP{$self->path};
		1602
		1603	$self->in_memory (cf::MAP_SWAPPED);
		1604	$self->clear;
1390		1605
1391	$_->clear_links_to ($self) for values %cf::MAP;	1606	$_->clear_links_to ($self) for values %cf::MAP;
1392		1607
1393	$self->unlink_save;	1608	$self->unlink_save;
1394	$self->destroy;	1609	$self->destroy;
…		…
1397	my $nuke_counter = "aaaa";	1612	my $nuke_counter = "aaaa";
1398		1613
1399	sub nuke {	1614	sub nuke {
1400	my ($self) = @_;	1615	my ($self) = @_;
1401		1616
		1617	delete $cf::MAP{$self->path};
		1618
		1619	$self->unlink_save;
		1620
		1621	bless $self, "cf::map";
		1622	delete $self->{deny_reset};
1402	$self->{deny_save} = 1;	1623	$self->{deny_save} = 1;
1403	$self->reset_timeout (1);	1624	$self->reset_timeout (1);
1404	$self->rename ("{nuke}/" . ($nuke_counter++));	1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1626
		1627	$cf::MAP{$self->path} = $self;
		1628
1405	$self->reset; # polite request, might not happen	1629	$self->reset; # polite request, might not happen
1406	}	1630	}
1407		1631
1408	sub customise_for {	1632	=item cf::map::unique_maps
1409	my ($map, $ob) = @_;
1410		1633
1411	if ($map->per_player) {	1634	Returns an arrayref of paths of all shared maps that have
1412	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1635	instantiated unique items. May block.
1413	}
1414		1636
1415	$map	1637	=cut
1416	}
1417		1638
1418	sub emergency_save {	1639	sub unique_maps() {
1419	local $cf::FREEZE = 1;	1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1641	or return;
1420		1642
1421	warn "enter emergency map save\n";	1643	my @paths;
1422		1644
1423	cf::sync_job {	1645	for (@$files) {
1424	warn "begin emergency map save\n";	1646	utf8::decode $_;
1425	$_->save for values %cf::MAP;	1647	next if /\.pst$/;
		1648	next unless /^$PATH_SEP/o;
		1649
		1650	push @paths, cf::map::normalise $_;
1426	};	1651	}
1427		1652
1428	warn "end emergency map save\n";	1653	\@paths
1429	}	1654	}
1430		1655
1431	package cf;	1656	package cf;
1432		1657
1433	=back	1658	=back
1434		1659
		1660	=head3 cf::object
		1661
		1662	=cut
		1663
		1664	package cf::object;
		1665
		1666	=over 4
		1667
		1668	=item $ob->inv_recursive
		1669
		1670	Returns the inventory of the object _and_ their inventories, recursively.
		1671
		1672	=cut
		1673
		1674	sub inv_recursive_;
		1675	sub inv_recursive_ {
		1676	map { $_, inv_recursive_ $_->inv } @_
		1677	}
		1678
		1679	sub inv_recursive {
		1680	inv_recursive_ inv $_[0]
		1681	}
		1682
		1683	package cf;
		1684
		1685	=back
1435		1686
1436	=head3 cf::object::player	1687	=head3 cf::object::player
1437		1688
1438	=over 4	1689	=over 4
1439		1690
…		…
1479		1730
1480	=item $player_object->enter_link	1731	=item $player_object->enter_link
1481		1732
1482	Freezes the player and moves him/her to a special map (C<{link}>).	1733	Freezes the player and moves him/her to a special map (C<{link}>).
1483		1734
1484	The player should be reaosnably safe there for short amounts of time. You	1735	The player should be reasonably safe there for short amounts of time. You
1485	I<MUST> call C<leave_link> as soon as possible, though.	1736	I<MUST> call C<leave_link> as soon as possible, though.
1486		1737
		1738	Will never block.
		1739
1487	=item $player_object->leave_link ($map, $x, $y)	1740	=item $player_object->leave_link ($map, $x, $y)
1488		1741
1489	Moves the player out of the specila link map onto the given map. If the	1742	Moves the player out of the special C<{link}> map onto the specified
1490	map is not valid (or omitted), the player will be moved back to the	1743	map. If the map is not valid (or omitted), the player will be moved back
1491	location he/she was before the call to C<enter_link>, or, if that fails,	1744	to the location he/she was before the call to C<enter_link>, or, if that
1492	to the emergency map position.	1745	fails, to the emergency map position.
1493		1746
1494	Might block.	1747	Might block.
1495		1748
1496	=cut	1749	=cut
		1750
		1751	sub link_map {
		1752	unless ($LINK_MAP) {
		1753	$LINK_MAP = cf::map::find "{link}"
		1754	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1755	$LINK_MAP->load;
		1756	}
		1757
		1758	$LINK_MAP
		1759	}
1497		1760
1498	sub cf::object::player::enter_link {	1761	sub cf::object::player::enter_link {
1499	my ($self) = @_;	1762	my ($self) = @_;
1500		1763
1501	$self->deactivate_recursive;	1764	$self->deactivate_recursive;
1502		1765
1503	return if $self->map == $LINK_MAP;	1766	return if UNIVERSAL::isa $self->map, "ext::map_link";
1504		1767
1505	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1506	if $self->map;	1769	if $self->map;
1507		1770
1508	$self->enter_map ($LINK_MAP, 20, 20);	1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1509	}	1772	}
1510		1773
1511	sub cf::object::player::leave_link {	1774	sub cf::object::player::leave_link {
1512	my ($self, $map, $x, $y) = @_;	1775	my ($self, $map, $x, $y) = @_;
1513		1776
1514	my $link_pos = delete $self->{_link_pos};	1777	my $link_pos = delete $self->{_link_pos};
1515		1778
1516	unless ($map) {	1779	unless ($map) {
1517	# restore original map position	1780	# restore original map position
1518	($map, $x, $y) = @{ $link_pos || [] };	1781	($map, $x, $y) = @{ $link_pos || [] };
1519	$map = cf::map::find_map $map;	1782	$map = cf::map::find $map;
1520		1783
1521	unless ($map) {	1784	unless ($map) {
1522	($map, $x, $y) = @$EMERGENCY_POSITION;	1785	($map, $x, $y) = @$EMERGENCY_POSITION;
1523	$map = cf::map::find_map $map	1786	$map = cf::map::find $map
1524	or die "FATAL: cannot load emergency map\n";	1787	or die "FATAL: cannot load emergency map\n";
1525	}	1788	}
1526	}	1789	}
1527		1790
1528	($x, $y) = (-1, -1)	1791	($x, $y) = (-1, -1)
…		…
1531	# use -1 or undef as default coordinates, not 0, 0	1794	# use -1 or undef as default coordinates, not 0, 0
1532	($x, $y) = ($map->enter_x, $map->enter_y)	1795	($x, $y) = ($map->enter_x, $map->enter_y)
1533	if $x <=0 && $y <= 0;	1796	if $x <=0 && $y <= 0;
1534		1797
1535	$map->load;	1798	$map->load;
		1799	$map->load_diag;
1536		1800
		1801	return unless $self->contr->active;
1537	$self->activate_recursive;	1802	$self->activate_recursive;
1538	$self->enter_map ($map, $x, $y);	1803	$self->enter_map ($map, $x, $y);
1539	}	1804	}
1540		1805
1541	cf::player->attach (	1806	cf::player->attach (
…		…
1554		1819
1555	# try to abort aborted map switching on player login :)	1820	# try to abort aborted map switching on player login :)
1556	# should happen only on crashes	1821	# should happen only on crashes
1557	if ($pl->ob->{_link_pos}) {	1822	if ($pl->ob->{_link_pos}) {
1558	$pl->ob->enter_link;	1823	$pl->ob->enter_link;
1559	cf::async {	1824	(async {
1560	# we need this sleep as the login has a concurrent enter_exit running	1825	# we need this sleep as the login has a concurrent enter_exit running
1561	# and this sleep increases chances of the player not ending up in scorn	1826	# and this sleep increases chances of the player not ending up in scorn
		1827	$pl->ob->reply (undef,
		1828	"There was an internal problem at your last logout, "
		1829	. "the server will try to bring you to your intended destination in a second.",
		1830	cf::NDI_RED);
1562	Coro::Timer::sleep 1;	1831	Coro::Timer::sleep 1;
1563	$pl->ob->leave_link;	1832	$pl->ob->leave_link;
1564	};	1833	})->prio (2);
1565	}	1834	}
1566	},	1835	},
1567	);	1836	);
1568		1837
1569	=item $player_object->goto_map ($path, $x, $y)	1838	=item $player_object->goto ($path, $x, $y)
1570		1839
1571	=cut	1840	=cut
1572		1841
1573	sub cf::object::player::goto_map {	1842	sub cf::object::player::goto {
1574	my ($self, $path, $x, $y) = @_;	1843	my ($self, $path, $x, $y) = @_;
1575		1844
1576	$self->enter_link;	1845	$self->enter_link;
1577		1846
1578	(cf::async {	1847	(async {
1579	$path = new cf::path $path;	1848	my $map = eval {
1580
1581	my $map = cf::map::find_map $path->as_string;	1849	my $map = cf::map::find $path;
1582	$map = $map->customise_for ($self) if $map;	1850	$map = $map->customise_for ($self) if $map;
1583		1851	$map
1584	# warn "entering ", $map->path, " at ($x, $y)\n"	1852	} or
1585	# if $map;
1586
1587	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1588		1854
1589	$self->leave_link ($map, $x, $y);	1855	$self->leave_link ($map, $x, $y);
1590	})->prio (1);	1856	})->prio (1);
1591	}	1857	}
1592		1858
…		…
1596		1862
1597	sub parse_random_map_params {	1863	sub parse_random_map_params {
1598	my ($spec) = @_;	1864	my ($spec) = @_;
1599		1865
1600	my $rmp = { # defaults	1866	my $rmp = { # defaults
1601	xsize => 10,	1867	xsize => (cf::rndm 15, 40),
1602	ysize => 10,	1868	ysize => (cf::rndm 15, 40),
		1869	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1870	#layout => string,
1603	};	1871	};
1604		1872
1605	for (split /\n/, $spec) {	1873	for (split /\n/, $spec) {
1606	my ($k, $v) = split /\s+/, $_, 2;	1874	my ($k, $v) = split /\s+/, $_, 2;
1607		1875
…		…
1611	$rmp	1879	$rmp
1612	}	1880	}
1613		1881
1614	sub prepare_random_map {	1882	sub prepare_random_map {
1615	my ($exit) = @_;	1883	my ($exit) = @_;
		1884
		1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1616		1886
1617	# all this does is basically replace the /! path by	1887	# all this does is basically replace the /! path by
1618	# a new random map path (?random/...) with a seed	1888	# a new random map path (?random/...) with a seed
1619	# that depends on the exit object	1889	# that depends on the exit object
1620		1890
1621	my $rmp = parse_random_map_params $exit->msg;	1891	my $rmp = parse_random_map_params $exit->msg;
1622		1892
1623	if ($exit->map) {	1893	if ($exit->map) {
1624	$rmp->{region} = $exit->map->region_name;	1894	$rmp->{region} = $exit->region->name;
1625	$rmp->{origin_map} = $exit->map->path;	1895	$rmp->{origin_map} = $exit->map->path;
1626	$rmp->{origin_x} = $exit->x;	1896	$rmp->{origin_x} = $exit->x;
1627	$rmp->{origin_y} = $exit->y;	1897	$rmp->{origin_y} = $exit->y;
1628	}	1898	}
1629		1899
1630	$rmp->{random_seed} ||= $exit->random_seed;	1900	$rmp->{random_seed} ||= $exit->random_seed;
1631		1901
1632	my $data = cf::to_json $rmp;	1902	my $data = cf::to_json $rmp;
1633	my $md5 = Digest::MD5::md5_hex $data;	1903	my $md5 = Digest::MD5::md5_hex $data;
		1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1634		1905
1635	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1636	aio_write $fh, 0, (length $data), $data, 0;	1907	aio_write $fh, 0, (length $data), $data, 0;
		1908	undef $fh;
		1909	aio_rename "$meta~", $meta;
1637		1910
1638	$exit->slaying ("?random/$md5");	1911	$exit->slaying ("?random/$md5");
1639	$exit->msg (undef);	1912	$exit->msg (undef);
1640	}	1913	}
1641	}	1914	}
…		…
1643	sub cf::object::player::enter_exit {	1916	sub cf::object::player::enter_exit {
1644	my ($self, $exit) = @_;	1917	my ($self, $exit) = @_;
1645		1918
1646	return unless $self->type == cf::PLAYER;	1919	return unless $self->type == cf::PLAYER;
1647		1920
		1921	if ($exit->slaying eq "/!") {
		1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1923	cf::sync_job { prepare_random_map $exit };
		1924	}
		1925
		1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1927	my $hp = $exit->stats->hp;
		1928	my $sp = $exit->stats->sp;
		1929
1648	$self->enter_link;	1930	$self->enter_link;
1649		1931
1650	(cf::async {	1932	(async {
		1933	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	1934	unless (eval {
1652	prepare_random_map $exit	1935	$self->goto ($slaying, $hp, $sp);
1653	if $exit->slaying eq "/!";
1654
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1657		1936
1658	1;	1937	1;
1659	}) {	1938	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	1939	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "I'll try to bring you back to the map you were before. "	1940	. "I'll try to bring you back to the map you were before. "
1662	. "Please report this to the dungeon master",	1941	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	1942	cf::NDI_UNIQUE | cf::NDI_RED);
1664		1943
1665	warn "ERROR in enter_exit: $@";	1944	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	1945	$self->leave_link;
1667	}	1946	}
…		…
1735	}	2014	}
1736	}	2015	}
1737	},	2016	},
1738	);	2017	);
1739		2018
1740	=item $client->coro (\&cb)	2019	=item $client->async (\&cb)
1741		2020
1742	Create a new coroutine, running the specified callback. The coroutine will	2021	Create a new coroutine, running the specified callback. The coroutine will
1743	be automatically cancelled when the client gets destroyed (e.g. on logout,	2022	be automatically cancelled when the client gets destroyed (e.g. on logout,
1744	or loss of connection).	2023	or loss of connection).
1745		2024
1746	=cut	2025	=cut
1747		2026
1748	sub cf::client::coro {	2027	sub cf::client::async {
1749	my ($self, $cb) = @_;	2028	my ($self, $cb) = @_;
1750		2029
1751	my $coro = &cf::async ($cb);	2030	my $coro = &Coro::async ($cb);
1752		2031
1753	$coro->on_destroy (sub {	2032	$coro->on_destroy (sub {
1754	delete $self->{_coro}{$coro+0};	2033	delete $self->{_coro}{$coro+0};
1755	});	2034	});
1756		2035
…		…
1950	sub db_sync() {	2229	sub db_sync() {
1951	db_save if $dirty;	2230	db_save if $dirty;
1952	undef $dirty;	2231	undef $dirty;
1953	}	2232	}
1954		2233
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2234	my $idle = Event->idle (
1956	db_sync;	2235	reentrant => 0,
		2236	min => 10,
		2237	max => 20,
		2238	repeat => 0,
		2239	data => WF_AUTOCANCEL,
		2240	cb => \&db_sync,
1957	});	2241	);
1958		2242
1959	sub db_dirty() {	2243	sub db_dirty() {
1960	$dirty = 1;	2244	$dirty = 1;
1961	$idle->start;	2245	$idle->start;
1962	}	2246	}
…		…
1994	local $/;	2278	local $/;
1995	*CFG = YAML::Syck::Load <$fh>;	2279	*CFG = YAML::Syck::Load <$fh>;
1996		2280
1997	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1998		2282
		2283	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2285
1999	if (exists $CFG{mlockall}) {	2286	if (exists $CFG{mlockall}) {
2000	eval {	2287	eval {
2001	$CFG{mlockall} ? &mlockall : &munlockall	2288	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2002	and die "WARNING: m(un)lockall failed: $!\n";	2289	and die "WARNING: m(un)lockall failed: $!\n";
2003	};	2290	};
2004	warn $@ if $@;	2291	warn $@ if $@;
2005	}	2292	}
2006	}	2293	}
2007		2294
2008	sub main {	2295	sub main {
2009	# we must not ever block the main coroutine	2296	# we must not ever block the main coroutine
2010	local $Coro::idle = sub {	2297	local $Coro::idle = sub {
2011	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2012	(Coro::unblock_sub {	2299	(async {
2013	Event::one_event;	2300	Event::one_event;
2014	})->();	2301	})->prio (Coro::PRIO_MAX);
2015	};	2302	};
2016		2303
2017	cfg_load;	2304	cfg_load;
2018	db_load;	2305	db_load;
2019	load_extensions;	2306	load_extensions;
		2307
		2308	$TICK_WATCHER->start;
2020	Event::loop;	2309	Event::loop;
2021	}	2310	}
2022		2311
2023	#############################################################################	2312	#############################################################################
2024	# initialisation	2313	# initialisation and cleanup
		2314
		2315	# install some emergency cleanup handlers
		2316	BEGIN {
		2317	for my $signal (qw(INT HUP TERM)) {
		2318	Event->signal (
		2319	reentrant => 0,
		2320	data => WF_AUTOCANCEL,
		2321	signal => $signal,
		2322	prio => 0,
		2323	cb => sub {
		2324	cf::cleanup "SIG$signal";
		2325	},
		2326	);
		2327	}
		2328	}
		2329
		2330	sub emergency_save() {
		2331	my $freeze_guard = cf::freeze_mainloop;
		2332
		2333	warn "enter emergency perl save\n";
		2334
		2335	cf::sync_job {
		2336	# use a peculiar iteration method to avoid tripping on perl
		2337	# refcount bugs in for. also avoids problems with players
		2338	# and maps saved/destroyed asynchronously.
		2339	warn "begin emergency player save\n";
		2340	for my $login (keys %cf::PLAYER) {
		2341	my $pl = $cf::PLAYER{$login} or next;
		2342	$pl->valid or next;
		2343	$pl->save;
		2344	}
		2345	warn "end emergency player save\n";
		2346
		2347	warn "begin emergency map save\n";
		2348	for my $path (keys %cf::MAP) {
		2349	my $map = $cf::MAP{$path} or next;
		2350	$map->valid or next;
		2351	$map->save;
		2352	}
		2353	warn "end emergency map save\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
2025		2358
2026	sub reload() {	2359	sub reload() {
2027	# can/must only be called in main	2360	# can/must only be called in main
2028	if ($Coro::current != $Coro::main) {	2361	if ($Coro::current != $Coro::main) {
2029	warn "can only reload from main coroutine\n";	2362	warn "can only reload from main coroutine";
2030	return;	2363	return;
2031	}	2364	}
2032		2365
2033	warn "reloading...";	2366	warn "reloading...";
2034		2367
2035	local $FREEZE = 1;	2368	warn "cancelling server ticker";
		2369	$TICK_WATCHER->cancel;
		2370
2036	cf::emergency_save;	2371	cf::emergency_save;
2037		2372
2038	eval {	2373	eval {
2039	# if anything goes wrong in here, we should simply crash as we already saved	2374	# if anything goes wrong in here, we should simply crash as we already saved
2040		2375
2041	# cancel all watchers	2376	warn "syncing database to disk";
		2377	cf::db_sync;
		2378
		2379	warn "cancelling all WF_AUTOCANCEL watchers";
2042	for (Event::all_watchers) {	2380	for (Event::all_watchers) {
2043	$_->cancel if $_->data & WF_AUTOCANCEL;	2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2044	}	2382	}
2045		2383
		2384	warn "flushing outstanding aio requests";
		2385	for (;;) {
		2386	IO::AIO::flush;
		2387	Coro::cede;
		2388	last unless IO::AIO::nreqs;
		2389	warn "iterate...";
		2390	}
		2391
2046	# cancel all extension coros	2392	warn "cancelling all extension coros";
2047	$_->cancel for values %EXT_CORO;	2393	$_->cancel for values %EXT_CORO;
2048	%EXT_CORO = ();	2394	%EXT_CORO = ();
2049		2395
2050	# unload all extensions	2396	warn "removing commands";
2051	for (@exts) {	2397	%COMMAND = ();
		2398
		2399	warn "removing ext commands";
		2400	%EXTCMD = ();
		2401
		2402	warn "unloading/nuking all extensions";
		2403	for my $pkg (@EXTS) {
2052	warn "unloading <$_>";	2404	warn "... unloading $pkg";
2053	unload_extension $_;	2405
		2406	if (my $cb = $pkg->can ("unload")) {
		2407	eval {
		2408	$cb->($pkg);
		2409	1
		2410	} or warn "$pkg unloaded, but with errors: $@";
2054	}	2411	}
2055		2412
		2413	warn "... nuking $pkg";
		2414	Symbol::delete_package $pkg;
		2415	}
		2416
2056	# unload all modules loaded from $LIBDIR	2417	warn "unloading all perl modules loaded from $LIBDIR";
2057	while (my ($k, $v) = each %INC) {	2418	while (my ($k, $v) = each %INC) {
2058	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2059		2420
2060	warn "removing <$k>";	2421	warn "... unloading $k";
2061	delete $INC{$k};	2422	delete $INC{$k};
2062		2423
2063	$k =~ s/\.pm$//;	2424	$k =~ s/\.pm$//;
2064	$k =~ s/\//::/g;	2425	$k =~ s/\//::/g;
2065		2426
…		…
2068	}	2429	}
2069		2430
2070	Symbol::delete_package $k;	2431	Symbol::delete_package $k;
2071	}	2432	}
2072		2433
2073	# sync database to disk
2074	cf::db_sync;
2075	IO::AIO::flush;
2076
2077	# get rid of safe::, as good as possible	2434	warn "getting rid of safe::, as good as possible";
2078	Symbol::delete_package "safe::$_"	2435	Symbol::delete_package "safe::$_"
2079	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2080		2437
2081	# remove register_script_function callbacks
2082	# TODO
2083
2084	# unload cf.pm "a bit"	2438	warn "unloading cf.pm \"a bit\"";
2085	delete $INC{"cf.pm"};	2439	delete $INC{"cf.pm"};
2086		2440
2087	# don't, removes xs symbols, too,	2441	# don't, removes xs symbols, too,
2088	# and global variables created in xs	2442	# and global variables created in xs
2089	#Symbol::delete_package __PACKAGE__;	2443	#Symbol::delete_package __PACKAGE__;
2090		2444
2091	# reload cf.pm	2445	warn "unload completed, starting to reload now";
		2446
2092	warn "reloading cf.pm";	2447	warn "reloading cf.pm";
2093	require cf;	2448	require cf;
2094	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2095		2450
2096	# load config and database again	2451	warn "loading config and database again";
2097	cf::cfg_load;	2452	cf::cfg_load;
2098	cf::db_load;	2453	cf::db_load;
2099		2454
2100	# load extensions
2101	warn "load extensions";	2455	warn "loading extensions";
2102	cf::load_extensions;	2456	cf::load_extensions;
2103		2457
2104	# reattach attachments to objects	2458	warn "reattaching attachments to objects/players";
2105	warn "reattach";
2106	_global_reattach;	2459	_global_reattach;
		2460	warn "reattaching attachments to maps";
		2461	reattach $_ for values %MAP;
		2462
		2463	warn "restarting server ticker";
		2464
		2465	$TICK_WATCHER->start;
2107	};	2466	};
2108		2467
2109	if ($@) {	2468	if ($@) {
2110	warn $@;	2469	warn $@;
2111	warn "error while reloading, exiting.";	2470	warn "error while reloading, exiting.";
2112	exit 1;	2471	exit 1;
2113	}	2472	}
2114		2473
2115	warn "reloaded successfully";	2474	warn "reloaded";
2116	};	2475	};
2117		2476
2118	#############################################################################	2477	our $RELOAD_WATCHER; # used only during reload
2119
2120	unless ($LINK_MAP) {
2121	$LINK_MAP = cf::map::new;
2122
2123	$LINK_MAP->width (41);
2124	$LINK_MAP->height (41);
2125	$LINK_MAP->alloc;
2126	$LINK_MAP->path ("{link}");
2127	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2128	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2129
2130	# dirty hack because... archetypes are not yet loaded
2131	Event->timer (
2132	after => 2,
2133	cb => sub {
2134	$_[0]->w->cancel;
2135
2136	# provide some exits "home"
2137	my $exit = cf::object::new "exit";
2138
2139	$exit->slaying ($EMERGENCY_POSITION->[0]);
2140	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2141	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2142
2143	$LINK_MAP->insert ($exit->clone, 19, 19);
2144	$LINK_MAP->insert ($exit->clone, 19, 20);
2145	$LINK_MAP->insert ($exit->clone, 19, 21);
2146	$LINK_MAP->insert ($exit->clone, 20, 19);
2147	$LINK_MAP->insert ($exit->clone, 20, 21);
2148	$LINK_MAP->insert ($exit->clone, 21, 19);
2149	$LINK_MAP->insert ($exit->clone, 21, 20);
2150	$LINK_MAP->insert ($exit->clone, 21, 21);
2151
2152	$exit->destroy;
2153	});
2154
2155	$LINK_MAP->{deny_save} = 1;
2156	$LINK_MAP->{deny_reset} = 1;
2157
2158	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2159	}
2160
2161	register "<global>", __PACKAGE__;
2162		2478
2163	register_command "reload" => sub {	2479	register_command "reload" => sub {
2164	my ($who, $arg) = @_;	2480	my ($who, $arg) = @_;
2165		2481
2166	if ($who->flag (FLAG_WIZ)) {	2482	if ($who->flag (FLAG_WIZ)) {
2167	$who->message ("start of reload.");	2483	$who->message ("reloading server.");
		2484
		2485	# doing reload synchronously and two reloads happen back-to-back,
		2486	# coro crashes during coro_state_free->destroy here.
		2487
		2488	$RELOAD_WATCHER ||= Event->timer (
		2489	reentrant => 0,
		2490	after => 0,
		2491	data => WF_AUTOCANCEL,
		2492	cb => sub {
2168	reload;	2493	reload;
2169	$who->message ("end of reload.");	2494	undef $RELOAD_WATCHER;
		2495	},
		2496	);
2170	}	2497	}
2171	};	2498	};
2172		2499
2173	unshift @INC, $LIBDIR;	2500	unshift @INC, $LIBDIR;
		2501
		2502	my $bug_warning = 0;
2174		2503
2175	$TICK_WATCHER = Event->timer (	2504	$TICK_WATCHER = Event->timer (
2176	reentrant => 0,	2505	reentrant => 0,
		2506	parked => 1,
2177	prio => 0,	2507	prio => 0,
2178	at => $NEXT_TICK || $TICK,	2508	at => $NEXT_TICK || $TICK,
2179	data => WF_AUTOCANCEL,	2509	data => WF_AUTOCANCEL,
2180	cb => sub {	2510	cb => sub {
2181	unless ($FREEZE) {	2511	if ($Coro::current != $Coro::main) {
		2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2513	unless ++$bug_warning > 10;
		2514	return;
		2515	}
		2516
		2517	$NOW = Event::time;
		2518
2182	cf::server_tick; # one server iteration	2519	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2520	$RUNTIME += $TICK;
2184	}
2185
2186	$NEXT_TICK += $TICK;	2521	$NEXT_TICK += $TICK;
		2522
		2523	$WAIT_FOR_TICK->broadcast;
		2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2525
		2526	Event::sweep;
		2527	Coro::cede_notself;
		2528
		2529	# my $AFTER = Event::time;
		2530	# warn $AFTER - $NOW;#d#
2187		2531
2188	# if we are delayed by four ticks or more, skip them all	2532	# if we are delayed by four ticks or more, skip them all
2189	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2190		2534
2191	$TICK_WATCHER->at ($NEXT_TICK);	2535	$TICK_WATCHER->at ($NEXT_TICK);
2192	$TICK_WATCHER->start;	2536	$TICK_WATCHER->start;
2193	},	2537	},
2194	);	2538	);
2195		2539
2196	IO::AIO::max_poll_time $TICK * 0.2;	2540	IO::AIO::max_poll_time $TICK * 0.1;
2197		2541
2198	Event->io (	2542	undef $Coro::AIO::WATCHER;
		2543	$AIO_POLL_WATCHER = Event->io (
		2544	reentrant => 0,
2199	fd => IO::AIO::poll_fileno,	2545	fd => IO::AIO::poll_fileno,
2200	poll => 'r',	2546	poll => 'r',
2201	prio => 5,	2547	prio => 6,
2202	data => WF_AUTOCANCEL,	2548	data => WF_AUTOCANCEL,
2203	cb => \&IO::AIO::poll_cb,	2549	cb => \&IO::AIO::poll_cb,
2204	);	2550	);
2205		2551
2206	Event->timer (	2552	$WRITE_RUNTIME_WATCHER = Event->timer (
		2553	reentrant => 0,
2207	data => WF_AUTOCANCEL,	2554	data => WF_AUTOCANCEL,
2208	after => 0,	2555	after => 1,
2209	interval => 10,	2556	interval => 10,
2210	cb => sub {	2557	prio => 6, # keep it lowest so it acts like a watchdog
2211	(Coro::unblock_sub {	2558	cb => Coro::unblock_sub {
2212	write_runtime	2559	write_runtime
2213	or warn "ERROR: unable to write runtime file: $!";	2560	or warn "ERROR: unable to write runtime file: $!";
2214	})->();
2215	},	2561	},
2216	);	2562	);
2217		2563
2218	END { cf::emergency_save }	2564	END { cf::emergency_save }
2219		2565

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