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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.136 by root, Fri Jan 5 01:06:28 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
…		…
221	# wake up all waiters, to be on the safe side	258	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	259	$_->ready for @{ delete $LOCK{$key} };
223	}	260	}
224	}	261	}
225		262
226	=item cf::async { BLOCK }
227
228	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
229	error instead of exiting the server in case of a problem.
230
231	=cut
232
233	sub async(&) {
234	my ($cb) = @_;
235
236	Coro::async {
237	eval { $cb->() };
238	warn $@ if $@;
239	}
240	}
241
242	sub freeze_mainloop {	263	sub freeze_mainloop {
243	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
244		265
245	my $guard = Coro::guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	$WRITE_RUNTIME_WATCHER->start;
		269	};
		270	$WRITE_RUNTIME_WATCHER->stop;
246	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
247	$guard	272	$guard
248	}	273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
249		284
250	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
251		286
252	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
272	my $freeze_guard = freeze_mainloop;	307	my $freeze_guard = freeze_mainloop;
273		308
274	my $busy = 1;	309	my $busy = 1;
275	my @res;	310	my @res;
276		311
277	(Coro::async {	312	(async {
278	@res = eval { $job->() };	313	@res = eval { $job->() };
279	warn $@ if $@;	314	warn $@ if $@;
280	undef $busy;	315	undef $busy;
281	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
282		317
283	while ($busy) {	318	while ($busy) {
284	Coro::cede_notself;	319	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	320	}
287		321
288	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
289	} else {	323	} else {
290	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
291		325
292	$job->()	326	$job->()
293	}	327	}
294	}	328	}
295		329
296	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
297		331
298	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
300		334
301	=cut	335	=cut
302		336
303	sub coro(&) {	337	sub async_ext(&) {
304	my $cb = shift;	338	my $cb = shift;
305		339
306	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
307		341
308	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
309	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
310	});	344	});
311	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
…		…
317	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
318		352
319	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
320	or return;	354	or return;
321		355
		356	my $value = $cf::RUNTIME + 90 + 10;
322	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
323	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
324	and return;	361	and return;
325		362
326	aio_fsync $fh	363	aio_fsync $fh
327	and return;	364	and return;
…		…
336	}	373	}
337		374
338	=back	375	=back
339		376
340	=cut	377	=cut
341
342	#############################################################################
343
344	package cf::path;
345
346	sub new {
347	my ($class, $path, $base) = @_;
348
349	$path = $path->as_string if ref $path;
350
351	my $self = bless { }, $class;
352
353	# {... are special paths that are not touched
354	# ?xxx/... are special absolute paths
355	# ?random/... random maps
356	# /! non-realised random map exit
357	# /... normal maps
358	# ~/... per-player maps without a specific player (DO NOT USE)
359	# ~user/... per-player map of a specific user
360
361	if ($path =~ /^{/) {
362	# fine as it is
363	} elsif ($path =~ s{^\?random/}{}) {
364	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
365	$self->{random} = cf::from_json $data;
366	} else {
367	if ($path =~ s{^~([^/]+)?}{}) {
368	$self->{user_rel} = 1;
369
370	if (defined $1) {
371	$self->{user} = $1;
372	} elsif ($base =~ m{^~([^/]+)/}) {
373	$self->{user} = $1;
374	} else {
375	warn "cannot resolve user-relative path without user <$path,$base>\n";
376	}
377	} elsif ($path =~ /^\//) {
378	# already absolute
379	} else {
380	$base =~ s{[^/]+/?$}{};
381	return $class->new ("$base/$path");
382	}
383
384	for ($path) {
385	redo if s{/\.?/}{/};
386	redo if s{/[^/]+/\.\./}{/};
387	}
388	}
389
390	$self->{path} = $path;
391
392	$self
393	}
394
395	# the name / primary key / in-game path
396	sub as_string {
397	my ($self) = @_;
398
399	$self->{user_rel} ? "~$self->{user}$self->{path}"
400	: $self->{random} ? "?random/$self->{path}"
401	: $self->{path}
402	}
403
404	# the displayed name, this is a one way mapping
405	sub visible_name {
406	my ($self) = @_;
407
408	# if (my $rmp = $self->{random}) {
409	# # todo: be more intelligent about this
410	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
411	# } else {
412	$self->as_string
413	# }
414	}
415
416	# escape the /'s in the path
417	sub _escaped_path {
418	# ∕ is U+2215
419	(my $path = $_[0]{path}) =~ s/\//∕/g;
420	$path
421	}
422
423	# the original (read-only) location
424	sub load_path {
425	my ($self) = @_;
426
427	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
428	}
429
430	# the temporary/swap location
431	sub save_path {
432	my ($self) = @_;
433
434	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
435	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
436	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
437	}
438
439	# the unique path, might be eq to save_path
440	sub uniq_path {
441	my ($self) = @_;
442
443	$self->{user_rel} || $self->{random}
444	? undef
445	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
446	}
447
448	# return random map parameters, or undef
449	sub random_map_params {
450	my ($self) = @_;
451
452	$self->{random}
453	}
454
455	# this is somewhat ugly, but style maps do need special treatment
456	sub is_style_map {
457	$_[0]{path} =~ m{^/styles/}
458	}
459
460	package cf;
461		378
462	#############################################################################	379	#############################################################################
463		380
464	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
465		382
…		…
591	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
592	our @CB_MAP = ();	509	our @CB_MAP = ();
593		510
594	my %attachment;	511	my %attachment;
595		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
596	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
597	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
598		521
599	use sort 'stable';	522	use sort 'stable';
600		523
…		…
771	# object support	694	# object support
772		695
773	sub reattach {	696	sub reattach {
774	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
775	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
776		701
777	my $registry = $obj->registry;	702	my $registry = $obj->registry;
778		703
779	@$registry = ();	704	@$registry = ();
780		705
…		…
851	}	776	}
852	} else {	777	} else {
853	aio_unlink $filename;	778	aio_unlink $filename;
854	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
855	}	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	}
856	}	787	}
857	}	788	}
858		789
859	sub object_freezer_as_string {	790	sub object_freezer_as_string {
860	my ($rdata, $objs) = @_;	791	my ($rdata, $objs) = @_;
…		…
866		797
867	sub object_thawer_load {	798	sub object_thawer_load {
868	my ($filename) = @_;	799	my ($filename) = @_;
869		800
870	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$//;
871		805
872	(aio_load $filename, $data) >= 0	806	(aio_load $filename, $data) >= 0
873	or return;	807	or return;
874		808
875	unless (aio_stat "$filename.pst") {	809	unless (aio_stat "$filename.pst") {
…		…
912	=cut	846	=cut
913		847
914	sub register_extcmd {	848	sub register_extcmd {
915	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
916		850
917	my $caller = caller;
918	#warn "registering extcmd '$name' to '$caller'";
919
920	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
921	}	852	}
922		853
923	cf::player->attach (	854	cf::player->attach (
924	on_command => sub {	855	on_command => sub {
925	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
938		869
939	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
940		871
941	if (ref $msg) {	872	if (ref $msg) {
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
944	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
945	}	876	}
946	}	877	}
947	} else {	878	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
950		881
951	cf::override;	882	cf::override;
952	},	883	},
953	);	884	);
954		885
955	sub register {
956	my ($base, $pkg) = @_;
957
958	#TODO
959	}
960
961	sub load_extension {	886	sub load_extension {
962	my ($path) = @_;	887	my ($path) = @_;
963		888
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
965	my $base = $1;	890	my $base = $1;
966	my $pkg = $1;	891	my $pkg = $1;
967	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
968	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
969		894
970	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
971		896
972	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
973	or die "$path: $!";	898	or die "$path: $!";
974		899
975	my $source =	900	my $source =
976	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
978	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
979	. "\n};\n1";	904	. "\n};\n1";
980		905
981	eval $source	906	unless (eval $source) {
982	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
983	: "extension disabled.\n";	908	: "extension disabled.\n";
984		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
985	push @exts, $pkg;	910	warn $@;
986	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
987		912	exit 1;
988	# no strict 'refs';	913	}
989	# @{"$pkg\::ISA"} = ext::;	914	die $@;
990
991	register $base, $pkg;
992	}
993
994	sub unload_extension {
995	my ($pkg) = @_;
996
997	warn "removing extension $pkg\n";
998
999	# remove hooks
1000	#TODO
1001	# for my $idx (0 .. $#PLUGIN_EVENT) {
1002	# delete $hook[$idx]{$pkg};
1003	# }	915	}
1004		916
1005	# remove commands	917	push @EXTS, $pkg;
1006	for my $name (keys %COMMAND) {
1007	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1008
1009	if (@cb) {
1010	$COMMAND{$name} = \@cb;
1011	} else {
1012	delete $COMMAND{$name};
1013	}
1014	}
1015
1016	# remove extcmds
1017	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1018	delete $EXTCMD{$name};
1019	}
1020
1021	if (my $cb = $pkg->can ("unload")) {
1022	eval {
1023	$cb->($pkg);
1024	1
1025	} or warn "$pkg unloaded, but with errors: $@";
1026	}
1027
1028	Symbol::delete_package $pkg;
1029	}	918	}
1030		919
1031	sub load_extensions {	920	sub load_extensions {
1032	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1033	next unless -r $ext;	922	next unless -r $ext;
…		…
1037	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1038	}	927	}
1039	}	928	}
1040		929
1041	#############################################################################	930	#############################################################################
1042	# load/save/clean perl data associated with a map
1043
1044	*cf::mapsupport::on_clean = sub {
1045	my ($map) = @_;
1046
1047	my $path = $map->tmpname;
1048	defined $path or return;
1049
1050	unlink "$path.pst";
1051	};
1052
1053	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1054
1055	#############################################################################
1056	# load/save perl data associated with player->ob objects
1057
1058	sub all_objects(@) {
1059	@_, map all_objects ($_->inv), @_
1060	}
1061
1062	# TODO: compatibility cruft, remove when no longer needed
1063	cf::player->attach (
1064	on_load => sub {
1065	my ($pl, $path) = @_;
1066
1067	for my $o (all_objects $pl->ob) {
1068	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1069	$o->set_ob_key_value ("_perl_data");
1070
1071	%$o = %{ Storable::thaw pack "H*", $value };
1072	}
1073	}
1074	},
1075	);
1076
1077	#############################################################################
1078		931
1079	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1080		933
1081	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1082		935
		936	=cut
		937
		938	package cf::player;
		939
		940	use Coro::AIO;
		941
1083	=head3 cf::player	942	=head3 cf::player
1084		943
1085	=over 4	944	=over 4
1086		945
1087	=item cf::player::exists $login	946	=item cf::player::find $login
1088		947
1089	Returns true when the given account exists.	948	Returns the given player object, loading it if necessary (might block).
1090		949
1091	=cut	950	=cut
1092		951
1093	sub cf::player::exists($) {	952	sub playerdir($) {
1094	cf::player::find $_[0]	953	cf::localdir
1095	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
1096	}	1100	}
1097		1101
1098	=item $player->ext_reply ($msgid, $msgtype, %msg)	1102	=item $player->ext_reply ($msgid, $msgtype, %msg)
1099		1103
1100	Sends an ext reply to the player.	1104	Sends an ext reply to the player.
1101		1105
1102	=cut	1106	=cut
1103		1107
1104	sub cf::player::ext_reply($$$%) {	1108	sub ext_reply($$$%) {
1105	my ($self, $id, %msg) = @_;	1109	my ($self, $id, %msg) = @_;
1106		1110
1107	$msg{msgid} = $id;	1111	$msg{msgid} = $id;
1108		1112
1109	$self->send ("ext " . to_json \%msg);	1113	$self->send ("ext " . cf::to_json \%msg);
1110	}	1114	}
		1115
		1116	package cf;
1111		1117
1112	=back	1118	=back
1113		1119
1114		1120
1115	=head3 cf::map	1121	=head3 cf::map
…		…
1121	package cf::map;	1127	package cf::map;
1122		1128
1123	use Fcntl;	1129	use Fcntl;
1124	use Coro::AIO;	1130	use Coro::AIO;
1125		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1126	our $MAX_RESET = 3600;	1136	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1137	our $DEFAULT_RESET = 3000;
1128		1138
1129	sub generate_random_map {	1139	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1131
1132	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1142	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$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},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(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
1146	}	1284	}
1147		1285
1148	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1149	# all maps in C++...	1287	# all maps in C++...
1150	sub change_all_map_light {	1288	sub change_all_map_light {
…		…
1152		1290
1153	$_->change_map_light ($change)	1291	$_->change_map_light ($change)
1154	for grep $_->outdoor, values %cf::MAP;	1292	for grep $_->outdoor, values %cf::MAP;
1155	}	1293	}
1156		1294
		1295	sub unlink_save {
		1296	my ($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
1157	sub try_load_header($) {	1308	sub load_header_from($) {
1158	my ($path) = @_;	1309	my ($self, $path) = @_;
1159		1310
1160	utf8::encode $path;	1311	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1312	#aio_open $path, O_RDONLY, 0
		1313	# or return;
		1314
		1315	$self->_load_header ($path)
1162	or return;	1316	or return;
1163		1317
1164	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
1165	or return;	1361	or return;
		1362	$self->prepare_orig;
		1363	}
1166		1364
1167	# for better error messages only, will be overwritten	1365	1
1168	$map->path ($path);
1169
1170	$map->load_header ($path)
1171	or return;
1172
1173	$map->{load_path} = $path;
1174
1175	$map
1176	}	1366	}
1177		1367
1178	sub find;	1368	sub find;
1179	sub find {	1369	sub find {
1180	my ($path, $origin) = @_;	1370	my ($path, $origin) = @_;
1181		1371
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1372	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1373
1187	cf::lock_wait "map_find:$key";	1374	cf::lock_wait "map_find:$path";
1188		1375
1189	$cf::MAP{$key} || do {	1376	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1377	my $guard = cf::lock_acquire "map_find:$path";
1191		1378	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	Coro::cede;
1196
1197	if ($map) {
1198	$map->last_access ((delete $map->{last_access})
1199	|| $cf::RUNTIME); #d#
1200	# safety
1201	$map->{instantiate_time} = $cf::RUNTIME
1202	if $map->{instantiate_time} > $cf::RUNTIME;
1203	} else {
1204	if (my $rmp = $path->random_map_params) {
1205	$map = generate_random_map $key, $rmp;
1206	} else {
1207	$map = try_load_header $path->load_path;
1208	}
1209
1210	$map or return;	1379	or return;
1211		1380
1212	$map->{load_original} = 1;
1213	$map->{instantiate_time} = $cf::RUNTIME;
1214	$map->last_access ($cf::RUNTIME);
1215	$map->instantiate;
1216
1217	# per-player maps become, after loading, normal maps
1218	$map->per_player (0) if $path->{user_rel};
1219	}
1220
1221	$map->path ($key);
1222	$map->{path} = $path;
1223	$map->{last_save} = $cf::RUNTIME;	1381	$map->{last_save} = $cf::RUNTIME;
1224		1382
1225	Coro::cede;	1383	$map->load_header
		1384	or return;
1226		1385
1227	if ($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;
1228	$map->reset;	1389	$map->reset;
1229	undef $guard;	1390	undef $guard;
1230	$map = find $path	1391	return find $path;
1231	or return;
1232	}	1392	}
1233		1393
1234	$cf::MAP{$key} = $map	1394	$cf::MAP{$path} = $map
1235	}	1395	}
1236	}	1396	}
		1397
		1398	sub pre_load { }
		1399	sub post_load { }
1237		1400
1238	sub load {	1401	sub load {
1239	my ($self) = @_;	1402	my ($self) = @_;
1240		1403
		1404	local $self->{deny_reset} = 1; # loading can take a long time
		1405
1241	my $path = $self->{path};	1406	my $path = $self->{path};
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1407	my $guard = cf::lock_acquire "map_load:$path";
1243		1408
1244	return if $self->in_memory != cf::MAP_SWAPPED;	1409	return if $self->in_memory != cf::MAP_SWAPPED;
1245		1410
1246	$self->in_memory (cf::MAP_LOADING);	1411	$self->in_memory (cf::MAP_LOADING);
1247		1412
1248	$self->alloc;	1413	$self->alloc;
		1414
		1415	$self->pre_load;
		1416
1249	$self->load_objects ($self->{load_path}, 1)	1417	$self->_load_objects ($self->{load_path}, 1)
1250	or return;	1418	or return;
1251		1419
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253	if delete $self->{load_original};	1421	if delete $self->{load_original};
1254		1422
1255	if (my $uniq = $path->uniq_path) {	1423	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	1424	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	1425	if (aio_open $uniq, O_RDONLY, 0) {
1258	$self->clear_unique_items;	1426	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	1427	$self->_load_objects ($uniq, 0);
1260	}	1428	}
1261	}	1429	}
1262		1430
1263	Coro::cede;	1431	Coro::cede;
1264		1432
1265	# now do the right thing for maps	1433	# now do the right thing for maps
1266	$self->link_multipart_objects;	1434	$self->link_multipart_objects;
1267		1435
1268	if ($self->{path}->is_style_map) {	1436	unless ($self->{deny_activate}) {
1269	$self->{deny_save} = 1;	1437	$self->decay_objects;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;	1438	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;	1439	$self->update_buttons;
		1440	Coro::cede;
1275	$self->set_darkness_map;	1441	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	1442	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	1443	unless $self->difficulty;
		1444	Coro::cede;
1278	$self->activate;	1445	$self->activate;
1279	}	1446	}
1280		1447
1281	Coro::cede;	1448	$self->post_load;
1282		1449
1283	$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	$neigh->load;
		1483	}
1284	}	1484	}
1285		1485
1286	sub find_sync {	1486	sub find_sync {
1287	my ($path, $origin) = @_;	1487	my ($path, $origin) = @_;
1288		1488
1289	cf::sync_job { cf::map::find $path, $origin }	1489	cf::sync_job { find $path, $origin }
1290	}	1490	}
1291		1491
1292	sub do_load_sync {	1492	sub do_load_sync {
1293	my ($map) = @_;	1493	my ($map) = @_;
1294		1494
1295	cf::sync_job { $map->load };	1495	cf::sync_job { $map->load };
1296	}	1496	}
1297		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	$MAP_PREFETCHER->prio (6);
		1524
		1525	()
		1526	}
		1527
1298	sub save {	1528	sub save {
1299	my ($self) = @_;	1529	my ($self) = @_;
1300		1530
		1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1532
1301	$self->{last_save} = $cf::RUNTIME;	1533	$self->{last_save} = $cf::RUNTIME;
1302		1534
1303	return unless $self->dirty;	1535	return unless $self->dirty;
1304		1536
1305	my $save = $self->{path}->save_path; utf8::encode $save;	1537	my $save = $self->save_path; utf8::encode $save;
1306	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1538	my $uniq = $self->uniq_path; utf8::encode $uniq;
1307		1539
1308	$self->{load_path} = $save;	1540	$self->{load_path} = $save;
1309		1541
1310	return if $self->{deny_save};	1542	return if $self->{deny_save};
1311		1543
1312	local $self->{last_access} = $self->last_access;#d#	1544	local $self->{last_access} = $self->last_access;#d#
1313		1545
		1546	cf::async {
		1547	$_->contr->save for $self->players;
		1548	};
		1549
1314	if ($uniq) {	1550	if ($uniq) {
1315	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1316	$self->save_objects ($uniq, cf::IO_UNIQUES);	1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1317	} else {	1553	} else {
1318	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1319	}	1555	}
1320	}	1556	}
1321		1557
1322	sub swap_out {	1558	sub swap_out {
1323	my ($self) = @_;	1559	my ($self) = @_;
1324		1560
1325	# save first because save cedes	1561	# save first because save cedes
1326	$self->save;	1562	$self->save;
		1563
		1564	my $lock = cf::lock_acquire "map_data:" . $self->path;
1327		1565
1328	return if $self->players;	1566	return if $self->players;
1329	return if $self->in_memory != cf::MAP_IN_MEMORY;	1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1330	return if $self->{deny_save};	1568	return if $self->{deny_save};
1331		1569
…		…
1335		1573
1336	sub reset_at {	1574	sub reset_at {
1337	my ($self) = @_;	1575	my ($self) = @_;
1338		1576
1339	# TODO: safety, remove and allow resettable per-player maps	1577	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1579	return 1e99 if $self->{deny_reset};
1342		1580
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1583
…		…
1350	my ($self) = @_;	1588	my ($self) = @_;
1351		1589
1352	$self->reset_at <= $cf::RUNTIME	1590	$self->reset_at <= $cf::RUNTIME
1353	}	1591	}
1354		1592
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1593	sub reset {
1377	my ($self) = @_;	1594	my ($self) = @_;
1378		1595
		1596	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1597
1379	return if $self->players;	1598	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1599	return if $self->isa ("ext::map_per_player");#d#
1381		1600
1382	warn "resetting map ", $self->path;#d#	1601	warn "resetting map ", $self->path;#d#
1383		1602
1384	delete $cf::MAP{$self->path};	1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->in_memory (cf::MAP_SWAPPED);
		1606	$self->clear;
1385		1607
1386	$_->clear_links_to ($self) for values %cf::MAP;	1608	$_->clear_links_to ($self) for values %cf::MAP;
1387		1609
1388	$self->unlink_save;	1610	$self->unlink_save;
1389	$self->destroy;	1611	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1614	my $nuke_counter = "aaaa";
1393		1615
1394	sub nuke {	1616	sub nuke {
1395	my ($self) = @_;	1617	my ($self) = @_;
1396		1618
		1619	delete $cf::MAP{$self->path};
		1620
		1621	$self->unlink_save;
		1622
		1623	bless $self, "cf::map";
		1624	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1625	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1626	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1628
		1629	$cf::MAP{$self->path} = $self;
		1630
1400	$self->reset; # polite request, might not happen	1631	$self->reset; # polite request, might not happen
1401	}	1632	}
1402		1633
1403	sub customise_for {	1634	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1635
1406	if ($map->per_player) {	1636	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1637	instantiated unique items. May block.
1408	}
1409		1638
1410	$map	1639	=cut
1411	}
1412		1640
1413	sub emergency_save {	1641	sub unique_maps() {
1414	my $freeze_guard = cf::freeze_mainloop;	1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1643	or return;
1415		1644
1416	warn "enter emergency map save\n";	1645	my @paths;
1417		1646
1418	cf::sync_job {	1647	for (@$files) {
1419	warn "begin emergency map save\n";	1648	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1649	next if /\.pst$/;
		1650	next unless /^$PATH_SEP/o;
		1651
		1652	push @paths, cf::map::normalise $_;
1421	};	1653	}
1422		1654
1423	warn "end emergency map save\n";	1655	\@paths
1424	}	1656	}
1425		1657
1426	package cf;	1658	package cf;
1427		1659
1428	=back	1660	=back
1429		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
1430		1688
1431	=head3 cf::object::player	1689	=head3 cf::object::player
1432		1690
1433	=over 4	1691	=over 4
1434		1692
…		…
1474		1732
1475	=item $player_object->enter_link	1733	=item $player_object->enter_link
1476		1734
1477	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}>).
1478		1736
1479	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
1480	I<MUST> call C<leave_link> as soon as possible, though.	1738	I<MUST> call C<leave_link> as soon as possible, though.
1481		1739
		1740	Will never block.
		1741
1482	=item $player_object->leave_link ($map, $x, $y)	1742	=item $player_object->leave_link ($map, $x, $y)
1483		1743
1484	Moves the player out of the specila link map onto the given map. If the	1744	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1745	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1746	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1747	fails, to the emergency map position.
1488		1748
1489	Might block.	1749	Might block.
1490		1750
1491	=cut	1751	=cut
		1752
		1753	sub link_map {
		1754	unless ($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	$LINK_MAP
		1761	}
1492		1762
1493	sub cf::object::player::enter_link {	1763	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1764	my ($self) = @_;
1495		1765
1496	$self->deactivate_recursive;	1766	$self->deactivate_recursive;
1497		1767
1498	return if $self->map == $LINK_MAP;	1768	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1769
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1771	if $self->map;
1502		1772
1503	$self->enter_map ($LINK_MAP, 20, 20);	1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	1774	}
1505		1775
1506	sub cf::object::player::leave_link {	1776	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1777	my ($self, $map, $x, $y) = @_;
1508		1778
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1796	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1797	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1798	if $x <=0 && $y <= 0;
1529		1799
1530	$map->load;	1800	$map->load;
		1801	$map->load_diag;
1531		1802
		1803	return unless $self->contr->active;
1532	$self->activate_recursive;	1804	$self->activate_recursive;
1533	$self->enter_map ($map, $x, $y);	1805	$self->enter_map ($map, $x, $y);
1534	}	1806	}
1535		1807
1536	cf::player->attach (	1808	cf::player->attach (
…		…
1549		1821
1550	# try to abort aborted map switching on player login :)	1822	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1823	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1824	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1825	$pl->ob->enter_link;
1554	cf::async {	1826	(async {
1555	# 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
1556	# 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);
1557	Coro::Timer::sleep 1;	1833	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1834	$pl->ob->leave_link;
1559	};	1835	})->prio (2);
1560	}	1836	}
1561	},	1837	},
1562	);	1838	);
1563		1839
1564	=item $player_object->goto ($path, $x, $y)	1840	=item $player_object->goto ($path, $x, $y)
…		…
1568	sub cf::object::player::goto {	1844	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1845	my ($self, $path, $x, $y) = @_;
1570		1846
1571	$self->enter_link;	1847	$self->enter_link;
1572		1848
1573	(cf::async {	1849	(async {
1574	$path = new cf::path $path;	1850	my $map = eval {
1575
1576	my $map = cf::map::find $path->as_string;	1851	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1852	$map = $map->customise_for ($self) if $map;
1578		1853	$map
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1854	} or
1580	# if $map;
1581
1582	$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);
1583		1856
1584	$self->leave_link ($map, $x, $y);	1857	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1858	})->prio (1);
1586	}	1859	}
1587		1860
…		…
1591		1864
1592	sub parse_random_map_params {	1865	sub parse_random_map_params {
1593	my ($spec) = @_;	1866	my ($spec) = @_;
1594		1867
1595	my $rmp = { # defaults	1868	my $rmp = { # defaults
1596	xsize => 10,	1869	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1870	ysize => (cf::rndm 15, 40),
		1871	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1872	#layout => string,
1598	};	1873	};
1599		1874
1600	for (split /\n/, $spec) {	1875	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1876	my ($k, $v) = split /\s+/, $_, 2;
1602		1877
…		…
1606	$rmp	1881	$rmp
1607	}	1882	}
1608		1883
1609	sub prepare_random_map {	1884	sub prepare_random_map {
1610	my ($exit) = @_;	1885	my ($exit) = @_;
		1886
		1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1888
1612	# all this does is basically replace the /! path by	1889	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1890	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1891	# that depends on the exit object
1615		1892
1616	my $rmp = parse_random_map_params $exit->msg;	1893	my $rmp = parse_random_map_params $exit->msg;
1617		1894
1618	if ($exit->map) {	1895	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	1896	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	1897	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	1898	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	1899	$rmp->{origin_y} = $exit->y;
1623	}	1900	}
1624		1901
1625	$rmp->{random_seed} ||= $exit->random_seed;	1902	$rmp->{random_seed} ||= $exit->random_seed;
1626		1903
1627	my $data = cf::to_json $rmp;	1904	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1905	my $md5 = Digest::MD5::md5_hex $data;
		1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1907
1630	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) {
1631	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;
1632		1912
1633	$exit->slaying ("?random/$md5");	1913	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1914	$exit->msg (undef);
1635	}	1915	}
1636	}	1916	}
…		…
1638	sub cf::object::player::enter_exit {	1918	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	1919	my ($self, $exit) = @_;
1640		1920
1641	return unless $self->type == cf::PLAYER;	1921	return unless $self->type == cf::PLAYER;
1642		1922
		1923	if ($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
1643	$self->enter_link;	1932	$self->enter_link;
1644		1933
1645	(cf::async {	1934	(async {
1646	$self->deactivate_recursive; # just to be sure	1935	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	1936	unless (eval {
1648	prepare_random_map $exit	1937	$self->goto ($slaying, $hp, $sp);
1649	if $exit->slaying eq "/!";
1650
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1653		1938
1654	1;	1939	1;
1655	}) {	1940	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	1941	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	1942	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	1943	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	1944	cf::NDI_UNIQUE | cf::NDI_RED);
1660		1945
1661	warn "ERROR in enter_exit: $@";	1946	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	1947	$self->leave_link;
1663	}	1948	}
…		…
1718	# get handled first	2003	# get handled first
1719	my $queue = delete $ns->{query_queue}	2004	my $queue = delete $ns->{query_queue}
1720	or return; # be conservative, not sure how that can happen, but we saw a crash here	2005	or return; # be conservative, not sure how that can happen, but we saw a crash here
1721		2006
1722	(shift @$queue)->[1]->($msg);	2007	(shift @$queue)->[1]->($msg);
		2008	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1723		2009
1724	push @{ $ns->{query_queue} }, @$queue;	2010	push @{ $ns->{query_queue} }, @$queue;
1725		2011
1726	if (@{ $ns->{query_queue} } == @$queue) {	2012	if (@{ $ns->{query_queue} } == @$queue) {
1727	if (@$queue) {	2013	if (@$queue) {
…		…
1731	}	2017	}
1732	}	2018	}
1733	},	2019	},
1734	);	2020	);
1735		2021
1736	=item $client->coro (\&cb)	2022	=item $client->async (\&cb)
1737		2023
1738	Create a new coroutine, running the specified callback. The coroutine will	2024	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	2025	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	2026	or loss of connection).
1741		2027
1742	=cut	2028	=cut
1743		2029
1744	sub cf::client::coro {	2030	sub cf::client::async {
1745	my ($self, $cb) = @_;	2031	my ($self, $cb) = @_;
1746		2032
1747	my $coro = &cf::async ($cb);	2033	my $coro = &Coro::async ($cb);
1748		2034
1749	$coro->on_destroy (sub {	2035	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	2036	delete $self->{_coro}{$coro+0};
1751	});	2037	});
1752		2038
…		…
1946	sub db_sync() {	2232	sub db_sync() {
1947	db_save if $dirty;	2233	db_save if $dirty;
1948	undef $dirty;	2234	undef $dirty;
1949	}	2235	}
1950		2236
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2237	my $idle = Event->idle (
1952	db_sync;	2238	reentrant => 0,
		2239	min => 10,
		2240	max => 20,
		2241	repeat => 0,
		2242	data => WF_AUTOCANCEL,
		2243	cb => \&db_sync,
1953	});	2244	);
1954		2245
1955	sub db_dirty() {	2246	sub db_dirty() {
1956	$dirty = 1;	2247	$dirty = 1;
1957	$idle->start;	2248	$idle->start;
1958	}	2249	}
…		…
1979	},	2270	},
1980	);	2271	);
1981	}	2272	}
1982		2273
1983	#############################################################################	2274	#############################################################################
1984	# 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	}
1985		2281
1986	sub cfg_load {	2282	sub cfg_load {
1987	open my $fh, "<:utf8", cf::confdir . "/config"	2283	open my $fh, "<:utf8", cf::confdir . "/config"
1988	or return;	2284	or return;
1989		2285
1990	local $/;	2286	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2287	*CFG = YAML::Syck::Load <$fh>;
1992		2288
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2289	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		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
1995	if (exists $CFG{mlockall}) {	2294	if (exists $CFG{mlockall}) {
1996	eval {	2295	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2296	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2297	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2298	};
2000	warn $@ if $@;	2299	warn $@ if $@;
2001	}	2300	}
		2301	}
		2302
		2303	sub init {
		2304	load_resources;
2002	}	2305	}
2003		2306
2004	sub main {	2307	sub main {
2005	# we must not ever block the main coroutine	2308	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2309	local $Coro::idle = sub {
2007	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#
2008	(Coro::unblock_sub {	2311	(async {
2009	Event::one_event;	2312	Event::one_event;
2010	})->();	2313	})->prio (Coro::PRIO_MAX);
2011	};	2314	};
2012		2315
2013	cfg_load;	2316	cfg_load;
2014	db_load;	2317	db_load;
2015	load_extensions;	2318	load_extensions;
		2319
		2320	$TICK_WATCHER->start;
2016	Event::loop;	2321	Event::loop;
2017	}	2322	}
2018		2323
2019	#############################################################################	2324	#############################################################################
2020	# 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	$map->save;
		2364	}
		2365	warn "end emergency map save\n";
		2366	};
		2367
		2368	warn "leave emergency perl save\n";
		2369	}
2021		2370
2022	sub reload() {	2371	sub reload() {
2023	# can/must only be called in main	2372	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2373	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2374	warn "can only reload from main coroutine";
2026	return;	2375	return;
2027	}	2376	}
2028		2377
2029	warn "reloading...";	2378	warn "reloading...";
2030		2379
2031	my $guard = freeze_mainloop;	2380	warn "cancelling server ticker";
		2381	$TICK_WATCHER->cancel;
		2382
2032	cf::emergency_save;	2383	cf::emergency_save;
2033		2384
2034	eval {	2385	eval {
2035	# 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
2036		2387
2037	# cancel all watchers	2388	warn "syncing database to disk";
		2389	cf::db_sync;
		2390
		2391	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	2392	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2393	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2394	}
2041		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
2042	# cancel all extension coros	2404	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	2405	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2406	%EXT_CORO = ();
2045		2407
2046	# unload all extensions	2408	warn "removing commands";
2047	for (@exts) {	2409	%COMMAND = ();
		2410
		2411	warn "removing ext commands";
		2412	%EXTCMD = ();
		2413
		2414	warn "unloading/nuking all extensions";
		2415	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2416	warn "... unloading $pkg";
2049	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: $@";
2050	}	2423	}
2051		2424
		2425	warn "... nuking $pkg";
		2426	Symbol::delete_package $pkg;
		2427	}
		2428
2052	# unload all modules loaded from $LIBDIR	2429	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2430	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2431	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2432
2056	warn "removing <$k>";	2433	warn "... unloading $k";
2057	delete $INC{$k};	2434	delete $INC{$k};
2058		2435
2059	$k =~ s/\.pm$//;	2436	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	2437	$k =~ s/\//::/g;
2061		2438
…		…
2064	}	2441	}
2065		2442
2066	Symbol::delete_package $k;	2443	Symbol::delete_package $k;
2067	}	2444	}
2068		2445
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2446	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2447	Symbol::delete_package "safe::$_"
2075	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);
2076		2449
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2450	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2451	delete $INC{"cf.pm"};
2082		2452
2083	# don't, removes xs symbols, too,	2453	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2454	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2455	#Symbol::delete_package __PACKAGE__;
2086		2456
2087	# reload cf.pm	2457	warn "unload completed, starting to reload now";
		2458
2088	warn "reloading cf.pm";	2459	warn "reloading cf.pm";
2089	require cf;	2460	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2461	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2462
2092	# load config and database again	2463	warn "loading config and database again";
2093	cf::cfg_load;	2464	cf::cfg_load;
2094	cf::db_load;	2465	cf::db_load;
2095		2466
2096	# load extensions
2097	warn "load extensions";	2467	warn "loading extensions";
2098	cf::load_extensions;	2468	cf::load_extensions;
2099		2469
2100	# reattach attachments to objects	2470	warn "reattaching attachments to objects/players";
2101	warn "reattach";
2102	_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	$TICK_WATCHER->start;
2103	};	2481	};
2104		2482
2105	if ($@) {	2483	if ($@) {
2106	warn $@;	2484	warn $@;
2107	warn "error while reloading, exiting.";	2485	warn "error while reloading, exiting.";
2108	exit 1;	2486	exit 1;
2109	}	2487	}
2110		2488
2111	warn "reloaded successfully";	2489	warn "reloaded";
2112	};	2490	};
2113		2491
2114	#############################################################################	2492	our $RELOAD_WATCHER; # used only during reload
2115
2116	unless ($LINK_MAP) {
2117	$LINK_MAP = cf::map::new;
2118
2119	$LINK_MAP->width (41);
2120	$LINK_MAP->height (41);
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,
2129	cb => sub {
2130	$_[0]->w->cancel;
2131
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});
2150
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}
2156
2157	register "<global>", __PACKAGE__;
2158		2493
2159	register_command "reload" => sub {	2494	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2495	my ($who, $arg) = @_;
2161		2496
2162	if ($who->flag (FLAG_WIZ)) {	2497	if ($who->flag (FLAG_WIZ)) {
2163	$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 {
2164	reload;	2508	reload;
2165	$who->message ("end of reload.");	2509	undef $RELOAD_WATCHER;
		2510	},
		2511	);
2166	}	2512	}
2167	};	2513	};
2168		2514
2169	unshift @INC, $LIBDIR;	2515	unshift @INC, $LIBDIR;
		2516
		2517	my $bug_warning = 0;
2170		2518
2171	$TICK_WATCHER = Event->timer (	2519	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	2520	reentrant => 0,
		2521	parked => 1,
2173	prio => 0,	2522	prio => 0,
2174	at => $NEXT_TICK || $TICK,	2523	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	2524	data => WF_AUTOCANCEL,
2176	cb => sub {	2525	cb => sub {
		2526	if ($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
2177	cf::server_tick; # one server iteration	2534	cf::server_tick; # one server iteration
2178	$RUNTIME += $TICK;	2535	$RUNTIME += $TICK;
2179	$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#
2180		2546
2181	# 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
2182	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2183		2549
2184	$TICK_WATCHER->at ($NEXT_TICK);	2550	$TICK_WATCHER->at ($NEXT_TICK);
2185	$TICK_WATCHER->start;	2551	$TICK_WATCHER->start;
2186	},	2552	},
2187	);	2553	);
2188		2554
2189	IO::AIO::max_poll_time $TICK * 0.2;	2555	IO::AIO::max_poll_time $TICK * 0.1;
2190		2556
2191	Event->io (	2557	undef $Coro::AIO::WATCHER;
		2558	$AIO_POLL_WATCHER = Event->io (
		2559	reentrant => 0,
2192	fd => IO::AIO::poll_fileno,	2560	fd => IO::AIO::poll_fileno,
2193	poll => 'r',	2561	poll => 'r',
2194	prio => 5,	2562	prio => 6,
2195	data => WF_AUTOCANCEL,	2563	data => WF_AUTOCANCEL,
2196	cb => \&IO::AIO::poll_cb,	2564	cb => \&IO::AIO::poll_cb,
2197	);	2565	);
2198		2566
2199	Event->timer (	2567	$WRITE_RUNTIME_WATCHER = Event->timer (
		2568	reentrant => 0,
2200	data => WF_AUTOCANCEL,	2569	data => WF_AUTOCANCEL,
2201	after => 0,	2570	after => 1,
2202	interval => 10,	2571	interval => 10,
2203	cb => sub {	2572	prio => 6, # keep it lowest so it acts like a watchdog
2204	(Coro::unblock_sub {	2573	cb => Coro::unblock_sub {
2205	write_runtime	2574	write_runtime
2206	or warn "ERROR: unable to write runtime file: $!";	2575	or warn "ERROR: unable to write runtime file: $!";
2207	})->();
2208	},	2576	},
2209	);	2577	);
2210		2578
2211	END { cf::emergency_save }	2579	END { cf::emergency_save }
2212		2580

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