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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.134 by root, Thu Jan 4 17:28:49 2007 UTC vs.
Revision 1.203 by root, Thu Feb 1 19:40:42 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 $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
55	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
56		69
57	binmode STDOUT;	70	binmode STDOUT;
58	binmode STDERR;	71	binmode STDERR;
59		72
60	# read virtual server time, if available	73	# read virtual server time, if available
…		…
68	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
72		85
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
		87
		88	sub cf::map::normalise;
76		89
77	#############################################################################	90	#############################################################################
78		91
79	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
80		93
…		…
104		117
105	=item %cf::CFG	118	=item %cf::CFG
106		119
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		129
110	=back	130	=back
111		131
112	=cut	132	=cut
113		133
…		…
117	utf8::encode $msg;	137	utf8::encode $msg;
118		138
119	$msg .= "\n"	139	$msg .= "\n"
120	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
121		141
122	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
123	};	143	};
124	}	144	}
125		145
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		165
146	$Event::DIED = sub {	166	$Event::DIED = sub {
147	warn "error in event callback: @_";	167	warn "error in event callback: @_";
148	};	168	};
149		169
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
155		171
156	=over 4	172	=over 4
157		173
		174	=item dumpval $ref
		175
158	=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	}
159		196
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		198
162	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
163		200
…		…
179	sub to_json($) {	216	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]	218	JSON::Syck::Dump $_[0]
182	}	219	}
183		220
184	=item my $guard = cf::guard { BLOCK }
185
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205
206	=item cf::lock_wait $string	221	=item cf::lock_wait $string
207		222
208	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
209		224
210	=item my $lock = cf::lock_acquire $string	225	=item my $lock = cf::lock_acquire $string
211		226
212	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
213	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,
214	for example when the coroutine gets canceled), the lock is automatically	229	for example when the coroutine gets canceled), the lock is automatically
215	returned.	230	returned.
216		231
217	Lock names should begin with a unique identifier (for example, cf::map::find	232	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	233	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	252	# wait, to be sure we are not locked
238	lock_wait $key;	253	lock_wait $key;
239		254
240	$LOCK{$key} = [];	255	$LOCK{$key} = [];
241		256
242	cf::guard {	257	Coro::guard {
243	# wake up all waiters, to be on the safe side	258	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	259	$_->ready for @{ delete $LOCK{$key} };
245	}	260	}
246	}	261	}
247		262
248	=item cf::async { BLOCK }
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {	263	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
266		265
267	my $guard = guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	$WRITE_RUNTIME_WATCHER->start;
		269	};
		270	$WRITE_RUNTIME_WATCHER->stop;
268	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
269	$guard	272	$guard
270	}	273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
271		284
272	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
273		286
274	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
275	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
…		…
294	my $freeze_guard = freeze_mainloop;	307	my $freeze_guard = freeze_mainloop;
295		308
296	my $busy = 1;	309	my $busy = 1;
297	my @res;	310	my @res;
298		311
299	(Coro::async {	312	(async {
300	@res = eval { $job->() };	313	@res = eval { $job->() };
301	warn $@ if $@;	314	warn $@ if $@;
302	undef $busy;	315	undef $busy;
303	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
304		317
305	while ($busy) {	318	while ($busy) {
306	Coro::cede_notself;	319	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	320	}
309		321
310	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
311	} else {	323	} else {
312	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
313		325
314	$job->()	326	$job->()
315	}	327	}
316	}	328	}
317		329
318	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
319		331
320	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
322		334
323	=cut	335	=cut
324		336
325	sub coro(&) {	337	sub async_ext(&) {
326	my $cb = shift;	338	my $cb = shift;
327		339
328	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
329		341
330	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
332	});	344	});
333	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
…		…
339	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
340		352
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	354	or return;
343		355
		356	my $value = $cf::RUNTIME + 90 + 10;
344	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
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	361	and return;
347		362
348	aio_fsync $fh	363	aio_fsync $fh
349	and return;	364	and return;
…		…
358	}	373	}
359		374
360	=back	375	=back
361		376
362	=cut	377	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		378
484	#############################################################################	379	#############################################################################
485		380
486	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
487		382
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	509	our @CB_MAP = ();
615		510
616	my %attachment;	511	my %attachment;
617		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
618	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
620		521
621	use sort 'stable';	522	use sort 'stable';
622		523
…		…
793	# object support	694	# object support
794		695
795	sub reattach {	696	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		701
799	my $registry = $obj->registry;	702	my $registry = $obj->registry;
800		703
801	@$registry = ();	704	@$registry = ();
802		705
…		…
873	}	776	}
874	} else {	777	} else {
875	aio_unlink $filename;	778	aio_unlink $filename;
876	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
877	}	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	}
878	}	787	}
879	}	788	}
880		789
881	sub object_freezer_as_string {	790	sub object_freezer_as_string {
882	my ($rdata, $objs) = @_;	791	my ($rdata, $objs) = @_;
…		…
888		797
889	sub object_thawer_load {	798	sub object_thawer_load {
890	my ($filename) = @_;	799	my ($filename) = @_;
891		800
892	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$//;
893		805
894	(aio_load $filename, $data) >= 0	806	(aio_load $filename, $data) >= 0
895	or return;	807	or return;
896		808
897	unless (aio_stat "$filename.pst") {	809	unless (aio_stat "$filename.pst") {
…		…
934	=cut	846	=cut
935		847
936	sub register_extcmd {	848	sub register_extcmd {
937	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
938		850
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
943	}	852	}
944		853
945	cf::player->attach (	854	cf::player->attach (
946	on_command => sub {	855	on_command => sub {
947	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
960		869
961	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
962		871
963	if (ref $msg) {	872	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	876	}
968	}	877	}
969	} else {	878	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		881
973	cf::override;	882	cf::override;
974	},	883	},
975	);	884	);
976		885
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	886	sub load_extension {
984	my ($path) = @_;	887	my ($path) = @_;
985		888
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	890	my $base = $1;
988	my $pkg = $1;	891	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
991		894
992	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
993		896
994	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
995	or die "$path: $!";	898	or die "$path: $!";
996		899
997	my $source =	900	my $source =
998	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
1001	. "\n};\n1";	904	. "\n};\n1";
1002		905
1003	eval $source	906	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	908	: "extension disabled.\n";
1006		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	910	warn $@;
1008	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
1009		912	exit 1;
1010	# no strict 'refs';	913	}
1011	# @{"$pkg\::ISA"} = ext::;	914	die $@;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	915	}
1026		916
1027	# remove commands	917	push @EXTS, $pkg;
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	918	}
1052		919
1053	sub load_extensions {	920	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	922	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1060	}	927	}
1061	}	928	}
1062		929
1063	#############################################################################	930	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100		931
1101	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1102		933
1103	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1104		935
		936	=cut
		937
		938	package cf::player;
		939
		940	use Coro::AIO;
		941
1105	=head3 cf::player	942	=head3 cf::player
1106		943
1107	=over 4	944	=over 4
1108		945
1109	=item cf::player::exists $login	946	=item cf::player::find $login
1110		947
1111	Returns true when the given account exists.	948	Returns the given player object, loading it if necessary (might block).
1112		949
1113	=cut	950	=cut
1114		951
1115	sub cf::player::exists($) {	952	sub playerdir($) {
1116	cf::player::find $_[0]	953	cf::localdir
1117	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
1118	}	1100	}
1119		1101
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1102	=item $player->ext_reply ($msgid, $msgtype, %msg)
1121		1103
1122	Sends an ext reply to the player.	1104	Sends an ext reply to the player.
1123		1105
1124	=cut	1106	=cut
1125		1107
1126	sub cf::player::ext_reply($$$%) {	1108	sub ext_reply($$$%) {
1127	my ($self, $id, %msg) = @_;	1109	my ($self, $id, %msg) = @_;
1128		1110
1129	$msg{msgid} = $id;	1111	$msg{msgid} = $id;
1130		1112
1131	$self->send ("ext " . to_json \%msg);	1113	$self->send ("ext " . cf::to_json \%msg);
1132	}	1114	}
		1115
		1116	package cf;
1133		1117
1134	=back	1118	=back
1135		1119
1136		1120
1137	=head3 cf::map	1121	=head3 cf::map
…		…
1143	package cf::map;	1127	package cf::map;
1144		1128
1145	use Fcntl;	1129	use Fcntl;
1146	use Coro::AIO;	1130	use Coro::AIO;
1147		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1148	our $MAX_RESET = 3600;	1136	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1137	our $DEFAULT_RESET = 3000;
1150		1138
1151	sub generate_random_map {	1139	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1142	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$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},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(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
1168	}	1284	}
1169		1285
1170	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1171	# all maps in C++...	1287	# all maps in C++...
1172	sub change_all_map_light {	1288	sub change_all_map_light {
…		…
1174		1290
1175	$_->change_map_light ($change)	1291	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1292	for grep $_->outdoor, values %cf::MAP;
1177	}	1293	}
1178		1294
		1295	sub unlink_save {
		1296	my ($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
1179	sub try_load_header($) {	1308	sub load_header_from($) {
1180	my ($path) = @_;	1309	my ($self, $path) = @_;
1181		1310
1182	utf8::encode $path;	1311	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1312	#aio_open $path, O_RDONLY, 0
		1313	# or return;
		1314
		1315	$self->_load_header ($path)
1184	or return;	1316	or return;
1185		1317
1186	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
1187	or return;	1361	or return;
		1362	$self->prepare_orig;
		1363	}
1188		1364
1189	$map->load_header ($path)	1365	1
1190	or return;
1191
1192	$map->{load_path} = $path;
1193
1194	$map
1195	}	1366	}
1196		1367
1197	sub find;	1368	sub find;
1198	sub find {	1369	sub find {
1199	my ($path, $origin) = @_;	1370	my ($path, $origin) = @_;
1200		1371
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1372	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1373
1206	cf::lock_wait "map_find:$key";	1374	cf::lock_wait "map_find:$path";
1207		1375
1208	$cf::MAP{$key} || do {	1376	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1377	my $guard = cf::lock_acquire "map_find:$path";
1210		1378	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	Coro::cede;
1215
1216	if ($map) {
1217	$map->last_access ((delete $map->{last_access})
1218	|| $cf::RUNTIME); #d#
1219	# safety
1220	$map->{instantiate_time} = $cf::RUNTIME
1221	if $map->{instantiate_time} > $cf::RUNTIME;
1222	} else {
1223	if (my $rmp = $path->random_map_params) {
1224	$map = generate_random_map $key, $rmp;
1225	} else {
1226	$map = try_load_header $path->load_path;
1227	}
1228
1229	$map or return;	1379	or return;
1230		1380
1231	$map->{load_original} = 1;
1232	$map->{instantiate_time} = $cf::RUNTIME;
1233	$map->last_access ($cf::RUNTIME);
1234	$map->instantiate;
1235
1236	# per-player maps become, after loading, normal maps
1237	$map->per_player (0) if $path->{user_rel};
1238	}
1239
1240	$map->path ($key);
1241	$map->{path} = $path;
1242	$map->{last_save} = $cf::RUNTIME;	1381	$map->{last_save} = $cf::RUNTIME;
1243		1382
1244	Coro::cede;	1383	$map->load_header
		1384	or return;
1245		1385
1246	if ($map->should_reset) {	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;
1247	$map->reset;	1389	$map->reset;
1248	undef $guard;	1390	undef $guard;
1249	$map = find $path	1391	return find $path;
1250	or return;
1251	}	1392	}
1252		1393
1253	$cf::MAP{$key} = $map	1394	$cf::MAP{$path} = $map
1254	}	1395	}
1255	}	1396	}
		1397
		1398	sub pre_load { }
		1399	sub post_load { }
1256		1400
1257	sub load {	1401	sub load {
1258	my ($self) = @_;	1402	my ($self) = @_;
1259		1403
		1404	local $self->{deny_reset} = 1; # loading can take a long time
		1405
1260	my $path = $self->{path};	1406	my $path = $self->{path};
1261	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1407	my $guard = cf::lock_acquire "map_load:$path";
1262		1408
1263	return if $self->in_memory != cf::MAP_SWAPPED;	1409	return if $self->in_memory != cf::MAP_SWAPPED;
1264		1410
1265	$self->in_memory (cf::MAP_LOADING);	1411	$self->in_memory (cf::MAP_LOADING);
1266		1412
1267	$self->alloc;	1413	$self->alloc;
		1414
		1415	$self->pre_load;
		1416
1268	$self->load_objects ($self->{load_path}, 1)	1417	$self->_load_objects ($self->{load_path}, 1)
1269	or return;	1418	or return;
1270		1419
1271	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1272	if delete $self->{load_original};	1421	if delete $self->{load_original};
1273		1422
1274	if (my $uniq = $path->uniq_path) {	1423	if (my $uniq = $self->uniq_path) {
1275	utf8::encode $uniq;	1424	utf8::encode $uniq;
1276	if (aio_open $uniq, O_RDONLY, 0) {	1425	if (aio_open $uniq, O_RDONLY, 0) {
1277	$self->clear_unique_items;	1426	$self->clear_unique_items;
1278	$self->load_objects ($uniq, 0);	1427	$self->_load_objects ($uniq, 0);
1279	}	1428	}
1280	}	1429	}
1281		1430
1282	Coro::cede;	1431	Coro::cede;
1283		1432
1284	# now do the right thing for maps	1433	# now do the right thing for maps
1285	$self->link_multipart_objects;	1434	$self->link_multipart_objects;
1286		1435
1287	if ($self->{path}->is_style_map) {	1436	unless ($self->{deny_activate}) {
1288	$self->{deny_save} = 1;	1437	$self->decay_objects;
1289	$self->{deny_reset} = 1;
1290	} else {
1291	$self->fix_auto_apply;	1438	$self->fix_auto_apply;
1292	$self->decay_objects;
1293	$self->update_buttons;	1439	$self->update_buttons;
		1440	Coro::cede;
1294	$self->set_darkness_map;	1441	$self->set_darkness_map;
1295	$self->difficulty ($self->estimate_difficulty)	1442	$self->difficulty ($self->estimate_difficulty)
1296	unless $self->difficulty;	1443	unless $self->difficulty;
		1444	Coro::cede;
1297	$self->activate;	1445	$self->activate;
1298	}	1446	}
1299		1447
1300	Coro::cede;	1448	$self->post_load;
1301		1449
1302	$self->in_memory (cf::MAP_IN_MEMORY);	1450	$self->in_memory (cf::MAP_IN_MEMORY);
		1451	}
		1452
		1453	sub customise_for {
		1454	my ($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	$neigh->load;
		1483	}
1303	}	1484	}
1304		1485
1305	sub find_sync {	1486	sub find_sync {
1306	my ($path, $origin) = @_;	1487	my ($path, $origin) = @_;
1307		1488
1308	cf::sync_job { cf::map::find $path, $origin }	1489	cf::sync_job { find $path, $origin }
1309	}	1490	}
1310		1491
1311	sub do_load_sync {	1492	sub do_load_sync {
1312	my ($map) = @_;	1493	my ($map) = @_;
1313		1494
1314	cf::sync_job { $map->load };	1495	cf::sync_job { $map->load };
1315	}	1496	}
1316		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;
		1516	$map->load;
		1517
		1518	delete $MAP_PREFETCH{$path};
		1519	}
		1520	}
		1521	undef $MAP_PREFETCHER;
		1522	};
		1523	$MAP_PREFETCHER->prio (6);
		1524
		1525	()
		1526	}
		1527
1317	sub save {	1528	sub save {
1318	my ($self) = @_;	1529	my ($self) = @_;
1319		1530
		1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1532
1320	$self->{last_save} = $cf::RUNTIME;	1533	$self->{last_save} = $cf::RUNTIME;
1321		1534
1322	return unless $self->dirty;	1535	return unless $self->dirty;
1323		1536
1324	my $save = $self->{path}->save_path; utf8::encode $save;	1537	my $save = $self->save_path; utf8::encode $save;
1325	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1538	my $uniq = $self->uniq_path; utf8::encode $uniq;
1326		1539
1327	$self->{load_path} = $save;	1540	$self->{load_path} = $save;
1328		1541
1329	return if $self->{deny_save};	1542	return if $self->{deny_save};
1330		1543
1331	local $self->{last_access} = $self->last_access;#d#	1544	local $self->{last_access} = $self->last_access;#d#
1332		1545
		1546	cf::async {
		1547	$_->contr->save for $self->players;
		1548	};
		1549
1333	if ($uniq) {	1550	if ($uniq) {
1334	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1335	$self->save_objects ($uniq, cf::IO_UNIQUES);	1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1336	} else {	1553	} else {
1337	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1338	}	1555	}
1339	}	1556	}
1340		1557
1341	sub swap_out {	1558	sub swap_out {
1342	my ($self) = @_;	1559	my ($self) = @_;
1343		1560
1344	# save first because save cedes	1561	# save first because save cedes
1345	$self->save;	1562	$self->save;
		1563
		1564	my $lock = cf::lock_acquire "map_data:" . $self->path;
1346		1565
1347	return if $self->players;	1566	return if $self->players;
1348	return if $self->in_memory != cf::MAP_IN_MEMORY;	1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1349	return if $self->{deny_save};	1568	return if $self->{deny_save};
1350		1569
…		…
1354		1573
1355	sub reset_at {	1574	sub reset_at {
1356	my ($self) = @_;	1575	my ($self) = @_;
1357		1576
1358	# TODO: safety, remove and allow resettable per-player maps	1577	# TODO: safety, remove and allow resettable per-player maps
1359	return 1e99 if $self->{path}{user_rel};	1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1360	return 1e99 if $self->{deny_reset};	1579	return 1e99 if $self->{deny_reset};
1361		1580
1362	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1363	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1364		1583
…		…
1369	my ($self) = @_;	1588	my ($self) = @_;
1370		1589
1371	$self->reset_at <= $cf::RUNTIME	1590	$self->reset_at <= $cf::RUNTIME
1372	}	1591	}
1373		1592
1374	sub unlink_save {
1375	my ($self) = @_;
1376
1377	utf8::encode (my $save = $self->{path}->save_path);
1378	aioreq_pri 3; IO::AIO::aio_unlink $save;
1379	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1380	}
1381
1382	sub rename {
1383	my ($self, $new_path) = @_;
1384
1385	$self->unlink_save;
1386
1387	delete $cf::MAP{$self->path};
1388	$self->{path} = new cf::path $new_path;
1389	$self->path ($self->{path}->as_string);
1390	$cf::MAP{$self->path} = $self;
1391
1392	$self->save;
1393	}
1394
1395	sub reset {	1593	sub reset {
1396	my ($self) = @_;	1594	my ($self) = @_;
1397		1595
		1596	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1597
1398	return if $self->players;	1598	return if $self->players;
1399	return if $self->{path}{user_rel};#d#	1599	return if $self->isa ("ext::map_per_player");#d#
1400		1600
1401	warn "resetting map ", $self->path;#d#	1601	warn "resetting map ", $self->path;#d#
1402		1602
1403	delete $cf::MAP{$self->path};	1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->in_memory (cf::MAP_SWAPPED);
		1606	$self->clear;
1404		1607
1405	$_->clear_links_to ($self) for values %cf::MAP;	1608	$_->clear_links_to ($self) for values %cf::MAP;
1406		1609
1407	$self->unlink_save;	1610	$self->unlink_save;
1408	$self->destroy;	1611	$self->destroy;
…		…
1411	my $nuke_counter = "aaaa";	1614	my $nuke_counter = "aaaa";
1412		1615
1413	sub nuke {	1616	sub nuke {
1414	my ($self) = @_;	1617	my ($self) = @_;
1415		1618
		1619	delete $cf::MAP{$self->path};
		1620
		1621	$self->unlink_save;
		1622
		1623	bless $self, "cf::map";
		1624	delete $self->{deny_reset};
1416	$self->{deny_save} = 1;	1625	$self->{deny_save} = 1;
1417	$self->reset_timeout (1);	1626	$self->reset_timeout (1);
1418	$self->rename ("{nuke}/" . ($nuke_counter++));	1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1628
		1629	$cf::MAP{$self->path} = $self;
		1630
1419	$self->reset; # polite request, might not happen	1631	$self->reset; # polite request, might not happen
1420	}	1632	}
1421		1633
1422	sub customise_for {	1634	=item cf::map::unique_maps
1423	my ($map, $ob) = @_;
1424		1635
1425	if ($map->per_player) {	1636	Returns an arrayref of paths of all shared maps that have
1426	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1637	instantiated unique items. May block.
1427	}
1428		1638
1429	$map	1639	=cut
1430	}
1431		1640
1432	sub emergency_save {	1641	sub unique_maps() {
1433	my $freeze_guard = cf::freeze_mainloop;	1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1643	or return;
1434		1644
1435	warn "enter emergency map save\n";	1645	my @paths;
1436		1646
1437	cf::sync_job {	1647	for (@$files) {
1438	warn "begin emergency map save\n";	1648	utf8::decode $_;
1439	$_->save for values %cf::MAP;	1649	next if /\.pst$/;
		1650	next unless /^$PATH_SEP/o;
		1651
		1652	push @paths, cf::map::normalise $_;
1440	};	1653	}
1441		1654
1442	warn "end emergency map save\n";	1655	\@paths
1443	}	1656	}
1444		1657
1445	package cf;	1658	package cf;
1446		1659
1447	=back	1660	=back
1448		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
1449		1688
1450	=head3 cf::object::player	1689	=head3 cf::object::player
1451		1690
1452	=over 4	1691	=over 4
1453		1692
…		…
1493		1732
1494	=item $player_object->enter_link	1733	=item $player_object->enter_link
1495		1734
1496	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}>).
1497		1736
1498	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
1499	I<MUST> call C<leave_link> as soon as possible, though.	1738	I<MUST> call C<leave_link> as soon as possible, though.
1500		1739
		1740	Will never block.
		1741
1501	=item $player_object->leave_link ($map, $x, $y)	1742	=item $player_object->leave_link ($map, $x, $y)
1502		1743
1503	Moves the player out of the specila link map onto the given map. If the	1744	Moves the player out of the special C<{link}> map onto the specified
1504	map is not valid (or omitted), the player will be moved back to the	1745	map. If the map is not valid (or omitted), the player will be moved back
1505	location he/she was before the call to C<enter_link>, or, if that fails,	1746	to the location he/she was before the call to C<enter_link>, or, if that
1506	to the emergency map position.	1747	fails, to the emergency map position.
1507		1748
1508	Might block.	1749	Might block.
1509		1750
1510	=cut	1751	=cut
		1752
		1753	sub link_map {
		1754	unless ($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	$LINK_MAP
		1761	}
1511		1762
1512	sub cf::object::player::enter_link {	1763	sub cf::object::player::enter_link {
1513	my ($self) = @_;	1764	my ($self) = @_;
1514		1765
1515	$self->deactivate_recursive;	1766	$self->deactivate_recursive;
1516		1767
1517	return if $self->map == $LINK_MAP;	1768	return if UNIVERSAL::isa $self->map, "ext::map_link";
1518		1769
1519	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1520	if $self->map;	1771	if $self->map;
1521		1772
1522	$self->enter_map ($LINK_MAP, 20, 20);	1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1523	}	1774	}
1524		1775
1525	sub cf::object::player::leave_link {	1776	sub cf::object::player::leave_link {
1526	my ($self, $map, $x, $y) = @_;	1777	my ($self, $map, $x, $y) = @_;
1527		1778
…		…
1545	# use -1 or undef as default coordinates, not 0, 0	1796	# use -1 or undef as default coordinates, not 0, 0
1546	($x, $y) = ($map->enter_x, $map->enter_y)	1797	($x, $y) = ($map->enter_x, $map->enter_y)
1547	if $x <=0 && $y <= 0;	1798	if $x <=0 && $y <= 0;
1548		1799
1549	$map->load;	1800	$map->load;
		1801	$map->load_diag;
1550		1802
		1803	return unless $self->contr->active;
1551	$self->activate_recursive;	1804	$self->activate_recursive;
1552	$self->enter_map ($map, $x, $y);	1805	$self->enter_map ($map, $x, $y);
1553	}	1806	}
1554		1807
1555	cf::player->attach (	1808	cf::player->attach (
…		…
1568		1821
1569	# try to abort aborted map switching on player login :)	1822	# try to abort aborted map switching on player login :)
1570	# should happen only on crashes	1823	# should happen only on crashes
1571	if ($pl->ob->{_link_pos}) {	1824	if ($pl->ob->{_link_pos}) {
1572	$pl->ob->enter_link;	1825	$pl->ob->enter_link;
1573	cf::async {	1826	(async {
1574	# 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
1575	# 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);
1576	Coro::Timer::sleep 1;	1833	Coro::Timer::sleep 1;
1577	$pl->ob->leave_link;	1834	$pl->ob->leave_link;
1578	};	1835	})->prio (2);
1579	}	1836	}
1580	},	1837	},
1581	);	1838	);
1582		1839
1583	=item $player_object->goto_map ($path, $x, $y)	1840	=item $player_object->goto ($path, $x, $y)
1584		1841
1585	=cut	1842	=cut
1586		1843
1587	sub cf::object::player::goto_map {	1844	sub cf::object::player::goto {
1588	my ($self, $path, $x, $y) = @_;	1845	my ($self, $path, $x, $y) = @_;
1589		1846
1590	$self->enter_link;	1847	$self->enter_link;
1591		1848
1592	(cf::async {	1849	(async {
1593	$path = new cf::path $path;	1850	my $map = eval {
1594
1595	my $map = cf::map::find $path->as_string;	1851	my $map = cf::map::find $path;
1596	$map = $map->customise_for ($self) if $map;	1852	$map = $map->customise_for ($self) if $map;
1597		1853	$map
1598	# warn "entering ", $map->path, " at ($x, $y)\n"	1854	} or
1599	# if $map;
1600
1601	$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);
1602		1856
1603	$self->leave_link ($map, $x, $y);	1857	$self->leave_link ($map, $x, $y);
1604	})->prio (1);	1858	})->prio (1);
1605	}	1859	}
1606		1860
…		…
1610		1864
1611	sub parse_random_map_params {	1865	sub parse_random_map_params {
1612	my ($spec) = @_;	1866	my ($spec) = @_;
1613		1867
1614	my $rmp = { # defaults	1868	my $rmp = { # defaults
1615	xsize => 10,	1869	xsize => (cf::rndm 15, 40),
1616	ysize => 10,	1870	ysize => (cf::rndm 15, 40),
		1871	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1872	#layout => string,
1617	};	1873	};
1618		1874
1619	for (split /\n/, $spec) {	1875	for (split /\n/, $spec) {
1620	my ($k, $v) = split /\s+/, $_, 2;	1876	my ($k, $v) = split /\s+/, $_, 2;
1621		1877
…		…
1625	$rmp	1881	$rmp
1626	}	1882	}
1627		1883
1628	sub prepare_random_map {	1884	sub prepare_random_map {
1629	my ($exit) = @_;	1885	my ($exit) = @_;
		1886
		1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1630		1888
1631	# all this does is basically replace the /! path by	1889	# all this does is basically replace the /! path by
1632	# a new random map path (?random/...) with a seed	1890	# a new random map path (?random/...) with a seed
1633	# that depends on the exit object	1891	# that depends on the exit object
1634		1892
1635	my $rmp = parse_random_map_params $exit->msg;	1893	my $rmp = parse_random_map_params $exit->msg;
1636		1894
1637	if ($exit->map) {	1895	if ($exit->map) {
1638	$rmp->{region} = $exit->map->region_name;	1896	$rmp->{region} = $exit->region->name;
1639	$rmp->{origin_map} = $exit->map->path;	1897	$rmp->{origin_map} = $exit->map->path;
1640	$rmp->{origin_x} = $exit->x;	1898	$rmp->{origin_x} = $exit->x;
1641	$rmp->{origin_y} = $exit->y;	1899	$rmp->{origin_y} = $exit->y;
1642	}	1900	}
1643		1901
1644	$rmp->{random_seed} ||= $exit->random_seed;	1902	$rmp->{random_seed} ||= $exit->random_seed;
1645		1903
1646	my $data = cf::to_json $rmp;	1904	my $data = cf::to_json $rmp;
1647	my $md5 = Digest::MD5::md5_hex $data;	1905	my $md5 = Digest::MD5::md5_hex $data;
		1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1648		1907
1649	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) {
1650	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;
1651		1912
1652	$exit->slaying ("?random/$md5");	1913	$exit->slaying ("?random/$md5");
1653	$exit->msg (undef);	1914	$exit->msg (undef);
1654	}	1915	}
1655	}	1916	}
…		…
1657	sub cf::object::player::enter_exit {	1918	sub cf::object::player::enter_exit {
1658	my ($self, $exit) = @_;	1919	my ($self, $exit) = @_;
1659		1920
1660	return unless $self->type == cf::PLAYER;	1921	return unless $self->type == cf::PLAYER;
1661		1922
		1923	if ($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
1662	$self->enter_link;	1932	$self->enter_link;
1663		1933
1664	(cf::async {	1934	(async {
1665	$self->deactivate_recursive; # just to be sure	1935	$self->deactivate_recursive; # just to be sure
1666	unless (eval {	1936	unless (eval {
1667	prepare_random_map $exit	1937	$self->goto ($slaying, $hp, $sp);
1668	if $exit->slaying eq "/!";
1669
1670	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1671	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1672		1938
1673	1;	1939	1;
1674	}) {	1940	}) {
1675	$self->message ("Something went wrong deep within the crossfire server. "	1941	$self->message ("Something went wrong deep within the crossfire server. "
1676	. "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. "
1677	. "Please report this to the dungeon master",	1943	. "Please report this to the dungeon master!",
1678	cf::NDI_UNIQUE | cf::NDI_RED);	1944	cf::NDI_UNIQUE | cf::NDI_RED);
1679		1945
1680	warn "ERROR in enter_exit: $@";	1946	warn "ERROR in enter_exit: $@";
1681	$self->leave_link;	1947	$self->leave_link;
1682	}	1948	}
…		…
1737	# get handled first	2003	# get handled first
1738	my $queue = delete $ns->{query_queue}	2004	my $queue = delete $ns->{query_queue}
1739	or return; # be conservative, not sure how that can happen, but we saw a crash here	2005	or return; # be conservative, not sure how that can happen, but we saw a crash here
1740		2006
1741	(shift @$queue)->[1]->($msg);	2007	(shift @$queue)->[1]->($msg);
		2008	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1742		2009
1743	push @{ $ns->{query_queue} }, @$queue;	2010	push @{ $ns->{query_queue} }, @$queue;
1744		2011
1745	if (@{ $ns->{query_queue} } == @$queue) {	2012	if (@{ $ns->{query_queue} } == @$queue) {
1746	if (@$queue) {	2013	if (@$queue) {
…		…
1750	}	2017	}
1751	}	2018	}
1752	},	2019	},
1753	);	2020	);
1754		2021
1755	=item $client->coro (\&cb)	2022	=item $client->async (\&cb)
1756		2023
1757	Create a new coroutine, running the specified callback. The coroutine will	2024	Create a new coroutine, running the specified callback. The coroutine will
1758	be automatically cancelled when the client gets destroyed (e.g. on logout,	2025	be automatically cancelled when the client gets destroyed (e.g. on logout,
1759	or loss of connection).	2026	or loss of connection).
1760		2027
1761	=cut	2028	=cut
1762		2029
1763	sub cf::client::coro {	2030	sub cf::client::async {
1764	my ($self, $cb) = @_;	2031	my ($self, $cb) = @_;
1765		2032
1766	my $coro = &cf::async ($cb);	2033	my $coro = &Coro::async ($cb);
1767		2034
1768	$coro->on_destroy (sub {	2035	$coro->on_destroy (sub {
1769	delete $self->{_coro}{$coro+0};	2036	delete $self->{_coro}{$coro+0};
1770	});	2037	});
1771		2038
…		…
1965	sub db_sync() {	2232	sub db_sync() {
1966	db_save if $dirty;	2233	db_save if $dirty;
1967	undef $dirty;	2234	undef $dirty;
1968	}	2235	}
1969		2236
1970	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2237	my $idle = Event->idle (
1971	db_sync;	2238	reentrant => 0,
		2239	min => 10,
		2240	max => 20,
		2241	repeat => 0,
		2242	data => WF_AUTOCANCEL,
		2243	cb => \&db_sync,
1972	});	2244	);
1973		2245
1974	sub db_dirty() {	2246	sub db_dirty() {
1975	$dirty = 1;	2247	$dirty = 1;
1976	$idle->start;	2248	$idle->start;
1977	}	2249	}
…		…
1998	},	2270	},
1999	);	2271	);
2000	}	2272	}
2001		2273
2002	#############################################################################	2274	#############################################################################
2003	# the server's main()	2275	# the server's init and main functions
		2276
		2277	sub load_resources {
		2278	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2279	or die "unable to load regions file\n";#d#
		2280	}
2004		2281
2005	sub cfg_load {	2282	sub cfg_load {
2006	open my $fh, "<:utf8", cf::confdir . "/config"	2283	open my $fh, "<:utf8", cf::confdir . "/config"
2007	or return;	2284	or return;
2008		2285
2009	local $/;	2286	local $/;
2010	*CFG = YAML::Syck::Load <$fh>;	2287	*CFG = YAML::Syck::Load <$fh>;
2011		2288
2012	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2289	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2013		2290
		2291	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2292	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2293
2014	if (exists $CFG{mlockall}) {	2294	if (exists $CFG{mlockall}) {
2015	eval {	2295	eval {
2016	$CFG{mlockall} ? &mlockall : &munlockall	2296	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2017	and die "WARNING: m(un)lockall failed: $!\n";	2297	and die "WARNING: m(un)lockall failed: $!\n";
2018	};	2298	};
2019	warn $@ if $@;	2299	warn $@ if $@;
2020	}	2300	}
		2301	}
		2302
		2303	sub init {
		2304	load_resources;
2021	}	2305	}
2022		2306
2023	sub main {	2307	sub main {
2024	# we must not ever block the main coroutine	2308	# we must not ever block the main coroutine
2025	local $Coro::idle = sub {	2309	local $Coro::idle = sub {
2026	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2310	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2027	(Coro::unblock_sub {	2311	(async {
2028	Event::one_event;	2312	Event::one_event;
2029	})->();	2313	})->prio (Coro::PRIO_MAX);
2030	};	2314	};
2031		2315
2032	cfg_load;	2316	cfg_load;
2033	db_load;	2317	db_load;
2034	load_extensions;	2318	load_extensions;
		2319
		2320	$TICK_WATCHER->start;
2035	Event::loop;	2321	Event::loop;
2036	}	2322	}
2037		2323
2038	#############################################################################	2324	#############################################################################
2039	# initialisation	2325	# initialisation and cleanup
		2326
		2327	# install some emergency cleanup handlers
		2328	BEGIN {
		2329	for my $signal (qw(INT HUP TERM)) {
		2330	Event->signal (
		2331	reentrant => 0,
		2332	data => WF_AUTOCANCEL,
		2333	signal => $signal,
		2334	prio => 0,
		2335	cb => sub {
		2336	cf::cleanup "SIG$signal";
		2337	},
		2338	);
		2339	}
		2340	}
		2341
		2342	sub emergency_save() {
		2343	my $freeze_guard = cf::freeze_mainloop;
		2344
		2345	warn "enter emergency perl save\n";
		2346
		2347	cf::sync_job {
		2348	# use a peculiar iteration method to avoid tripping on perl
		2349	# refcount bugs in for. also avoids problems with players
		2350	# and maps saved/destroyed asynchronously.
		2351	warn "begin emergency player save\n";
		2352	for my $login (keys %cf::PLAYER) {
		2353	my $pl = $cf::PLAYER{$login} or next;
		2354	$pl->valid or next;
		2355	$pl->save;
		2356	}
		2357	warn "end emergency player save\n";
		2358
		2359	warn "begin emergency map save\n";
		2360	for my $path (keys %cf::MAP) {
		2361	my $map = $cf::MAP{$path} or next;
		2362	$map->valid or next;
		2363	$map->save;
		2364	}
		2365	warn "end emergency map save\n";
		2366	};
		2367
		2368	warn "leave emergency perl save\n";
		2369	}
2040		2370
2041	sub reload() {	2371	sub reload() {
2042	# can/must only be called in main	2372	# can/must only be called in main
2043	if ($Coro::current != $Coro::main) {	2373	if ($Coro::current != $Coro::main) {
2044	warn "can only reload from main coroutine\n";	2374	warn "can only reload from main coroutine";
2045	return;	2375	return;
2046	}	2376	}
2047		2377
2048	warn "reloading...";	2378	warn "reloading...";
2049		2379
2050	my $guard = freeze_mainloop;	2380	warn "cancelling server ticker";
		2381	$TICK_WATCHER->cancel;
		2382
2051	cf::emergency_save;	2383	cf::emergency_save;
2052		2384
2053	eval {	2385	eval {
2054	# if anything goes wrong in here, we should simply crash as we already saved	2386	# if anything goes wrong in here, we should simply crash as we already saved
2055		2387
2056	# cancel all watchers	2388	warn "syncing database to disk";
		2389	cf::db_sync;
		2390
		2391	warn "cancelling all WF_AUTOCANCEL watchers";
2057	for (Event::all_watchers) {	2392	for (Event::all_watchers) {
2058	$_->cancel if $_->data & WF_AUTOCANCEL;	2393	$_->cancel if $_->data & WF_AUTOCANCEL;
2059	}	2394	}
2060		2395
		2396	warn "flushing outstanding aio requests";
		2397	for (;;) {
		2398	IO::AIO::flush;
		2399	Coro::cede;
		2400	last unless IO::AIO::nreqs;
		2401	warn "iterate...";
		2402	}
		2403
2061	# cancel all extension coros	2404	warn "cancelling all extension coros";
2062	$_->cancel for values %EXT_CORO;	2405	$_->cancel for values %EXT_CORO;
2063	%EXT_CORO = ();	2406	%EXT_CORO = ();
2064		2407
2065	# unload all extensions	2408	warn "removing commands";
2066	for (@exts) {	2409	%COMMAND = ();
		2410
		2411	warn "removing ext commands";
		2412	%EXTCMD = ();
		2413
		2414	warn "unloading/nuking all extensions";
		2415	for my $pkg (@EXTS) {
2067	warn "unloading <$_>";	2416	warn "... unloading $pkg";
2068	unload_extension $_;	2417
		2418	if (my $cb = $pkg->can ("unload")) {
		2419	eval {
		2420	$cb->($pkg);
		2421	1
		2422	} or warn "$pkg unloaded, but with errors: $@";
2069	}	2423	}
2070		2424
		2425	warn "... nuking $pkg";
		2426	Symbol::delete_package $pkg;
		2427	}
		2428
2071	# unload all modules loaded from $LIBDIR	2429	warn "unloading all perl modules loaded from $LIBDIR";
2072	while (my ($k, $v) = each %INC) {	2430	while (my ($k, $v) = each %INC) {
2073	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2431	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2074		2432
2075	warn "removing <$k>";	2433	warn "... unloading $k";
2076	delete $INC{$k};	2434	delete $INC{$k};
2077		2435
2078	$k =~ s/\.pm$//;	2436	$k =~ s/\.pm$//;
2079	$k =~ s/\//::/g;	2437	$k =~ s/\//::/g;
2080		2438
…		…
2083	}	2441	}
2084		2442
2085	Symbol::delete_package $k;	2443	Symbol::delete_package $k;
2086	}	2444	}
2087		2445
2088	# sync database to disk
2089	cf::db_sync;
2090	IO::AIO::flush;
2091
2092	# get rid of safe::, as good as possible	2446	warn "getting rid of safe::, as good as possible";
2093	Symbol::delete_package "safe::$_"	2447	Symbol::delete_package "safe::$_"
2094	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2448	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2095		2449
2096	# remove register_script_function callbacks
2097	# TODO
2098
2099	# unload cf.pm "a bit"	2450	warn "unloading cf.pm \"a bit\"";
2100	delete $INC{"cf.pm"};	2451	delete $INC{"cf.pm"};
2101		2452
2102	# don't, removes xs symbols, too,	2453	# don't, removes xs symbols, too,
2103	# and global variables created in xs	2454	# and global variables created in xs
2104	#Symbol::delete_package __PACKAGE__;	2455	#Symbol::delete_package __PACKAGE__;
2105		2456
2106	# reload cf.pm	2457	warn "unload completed, starting to reload now";
		2458
2107	warn "reloading cf.pm";	2459	warn "reloading cf.pm";
2108	require cf;	2460	require cf;
2109	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2461	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2110		2462
2111	# load config and database again	2463	warn "loading config and database again";
2112	cf::cfg_load;	2464	cf::cfg_load;
2113	cf::db_load;	2465	cf::db_load;
2114		2466
2115	# load extensions
2116	warn "load extensions";	2467	warn "loading extensions";
2117	cf::load_extensions;	2468	cf::load_extensions;
2118		2469
2119	# reattach attachments to objects	2470	warn "reattaching attachments to objects/players";
2120	warn "reattach";
2121	_global_reattach;	2471	_global_reattach;
		2472	warn "reattaching attachments to maps";
		2473	reattach $_ for values %MAP;
		2474
		2475	warn "loading reloadable resources";
		2476	load_resources;
		2477
		2478	warn "restarting server ticker";
		2479
		2480	$TICK_WATCHER->start;
2122	};	2481	};
2123		2482
2124	if ($@) {	2483	if ($@) {
2125	warn $@;	2484	warn $@;
2126	warn "error while reloading, exiting.";	2485	warn "error while reloading, exiting.";
2127	exit 1;	2486	exit 1;
2128	}	2487	}
2129		2488
2130	warn "reloaded successfully";	2489	warn "reloaded";
2131	};	2490	};
2132		2491
2133	#############################################################################	2492	our $RELOAD_WATCHER; # used only during reload
2134
2135	unless ($LINK_MAP) {
2136	$LINK_MAP = cf::map::new;
2137
2138	$LINK_MAP->width (41);
2139	$LINK_MAP->height (41);
2140	$LINK_MAP->alloc;
2141	$LINK_MAP->path ("{link}");
2142	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2143	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2144
2145	# dirty hack because... archetypes are not yet loaded
2146	Event->timer (
2147	after => 2,
2148	cb => sub {
2149	$_[0]->w->cancel;
2150
2151	# provide some exits "home"
2152	my $exit = cf::object::new "exit";
2153
2154	$exit->slaying ($EMERGENCY_POSITION->[0]);
2155	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2156	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2157
2158	$LINK_MAP->insert ($exit->clone, 19, 19);
2159	$LINK_MAP->insert ($exit->clone, 19, 20);
2160	$LINK_MAP->insert ($exit->clone, 19, 21);
2161	$LINK_MAP->insert ($exit->clone, 20, 19);
2162	$LINK_MAP->insert ($exit->clone, 20, 21);
2163	$LINK_MAP->insert ($exit->clone, 21, 19);
2164	$LINK_MAP->insert ($exit->clone, 21, 20);
2165	$LINK_MAP->insert ($exit->clone, 21, 21);
2166
2167	$exit->destroy;
2168	});
2169
2170	$LINK_MAP->{deny_save} = 1;
2171	$LINK_MAP->{deny_reset} = 1;
2172
2173	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2174	}
2175
2176	register "<global>", __PACKAGE__;
2177		2493
2178	register_command "reload" => sub {	2494	register_command "reload" => sub {
2179	my ($who, $arg) = @_;	2495	my ($who, $arg) = @_;
2180		2496
2181	if ($who->flag (FLAG_WIZ)) {	2497	if ($who->flag (FLAG_WIZ)) {
2182	$who->message ("start of reload.");	2498	$who->message ("reloading server.");
		2499
		2500	# doing reload synchronously and two reloads happen back-to-back,
		2501	# coro crashes during coro_state_free->destroy here.
		2502
		2503	$RELOAD_WATCHER ||= Event->timer (
		2504	reentrant => 0,
		2505	after => 0,
		2506	data => WF_AUTOCANCEL,
		2507	cb => sub {
2183	reload;	2508	reload;
2184	$who->message ("end of reload.");	2509	undef $RELOAD_WATCHER;
		2510	},
		2511	);
2185	}	2512	}
2186	};	2513	};
2187		2514
2188	unshift @INC, $LIBDIR;	2515	unshift @INC, $LIBDIR;
		2516
		2517	my $bug_warning = 0;
2189		2518
2190	$TICK_WATCHER = Event->timer (	2519	$TICK_WATCHER = Event->timer (
2191	reentrant => 0,	2520	reentrant => 0,
		2521	parked => 1,
2192	prio => 0,	2522	prio => 0,
2193	at => $NEXT_TICK || $TICK,	2523	at => $NEXT_TICK || $TICK,
2194	data => WF_AUTOCANCEL,	2524	data => WF_AUTOCANCEL,
2195	cb => sub {	2525	cb => sub {
		2526	if ($Coro::current != $Coro::main) {
		2527	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2528	unless ++$bug_warning > 10;
		2529	return;
		2530	}
		2531
		2532	$NOW = Event::time;
		2533
2196	cf::server_tick; # one server iteration	2534	cf::server_tick; # one server iteration
2197	$RUNTIME += $TICK;	2535	$RUNTIME += $TICK;
2198	$NEXT_TICK += $TICK;	2536	$NEXT_TICK += $TICK;
		2537
		2538	$WAIT_FOR_TICK->broadcast;
		2539	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2540
		2541	Event::sweep;
		2542	Coro::cede_notself;
		2543
		2544	# my $AFTER = Event::time;
		2545	# warn $AFTER - $NOW;#d#
2199		2546
2200	# if we are delayed by four ticks or more, skip them all	2547	# if we are delayed by four ticks or more, skip them all
2201	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2202		2549
2203	$TICK_WATCHER->at ($NEXT_TICK);	2550	$TICK_WATCHER->at ($NEXT_TICK);
2204	$TICK_WATCHER->start;	2551	$TICK_WATCHER->start;
2205	},	2552	},
2206	);	2553	);
2207		2554
2208	IO::AIO::max_poll_time $TICK * 0.2;	2555	IO::AIO::max_poll_time $TICK * 0.1;
2209		2556
2210	Event->io (	2557	undef $Coro::AIO::WATCHER;
		2558	$AIO_POLL_WATCHER = Event->io (
		2559	reentrant => 0,
2211	fd => IO::AIO::poll_fileno,	2560	fd => IO::AIO::poll_fileno,
2212	poll => 'r',	2561	poll => 'r',
2213	prio => 5,	2562	prio => 6,
2214	data => WF_AUTOCANCEL,	2563	data => WF_AUTOCANCEL,
2215	cb => \&IO::AIO::poll_cb,	2564	cb => \&IO::AIO::poll_cb,
2216	);	2565	);
2217		2566
2218	Event->timer (	2567	$WRITE_RUNTIME_WATCHER = Event->timer (
		2568	reentrant => 0,
2219	data => WF_AUTOCANCEL,	2569	data => WF_AUTOCANCEL,
2220	after => 0,	2570	after => 1,
2221	interval => 10,	2571	interval => 10,
2222	cb => sub {	2572	prio => 6, # keep it lowest so it acts like a watchdog
2223	(Coro::unblock_sub {	2573	cb => Coro::unblock_sub {
2224	write_runtime	2574	write_runtime
2225	or warn "ERROR: unable to write runtime file: $!";	2575	or warn "ERROR: unable to write runtime file: $!";
2226	})->();
2227	},	2576	},
2228	);	2577	);
2229		2578
2230	END { cf::emergency_save }	2579	END { cf::emergency_save }
2231		2580

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