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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.137 by root, Fri Jan 5 10:23:05 2007 UTC vs.
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
		53	our $USE_FSYNC; # use fsync to write maps - default off
46		54
47	our %CFG;	55	our %CFG;
48		56
49	our $UPTIME; $UPTIME ||= time;	57	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	58	our $RUNTIME;
51		59
		60	our %PLAYER; # all users
52	our %MAP; # all maps	61	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	62	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	63	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	64
		65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		67
		68	# used to convert map paths into valid unix filenames by replacing / by ∕
		69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		70
57	binmode STDOUT;	71	binmode STDOUT;
58	binmode STDERR;	72	binmode STDERR;
59		73
60	# read virtual server time, if available	74	# read virtual server time, if available
…		…
68	mkdir cf::localdir . "/" . cf::playerdir;	82	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	83	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	84	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	85	mkdir $RANDOM_MAPS;
72		86
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	87	our $EMERGENCY_POSITION;
		88
		89	sub cf::map::normalise;
76		90
77	#############################################################################	91	#############################################################################
78		92
79	=head2 GLOBAL VARIABLES	93	=head2 GLOBAL VARIABLES
80		94
…		…
104		118
105	=item %cf::CFG	119	=item %cf::CFG
106		120
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	121	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	122	from wherever your confdir points to.
		123
		124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		125
		126	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		127	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		128	processing has been done. Call C<< ->wait >> on them to maximise the
		129	window of cpu time available, or simply to synchronise to the server tick.
109		130
110	=back	131	=back
111		132
112	=cut	133	=cut
113		134
…		…
117	utf8::encode $msg;	138	utf8::encode $msg;
118		139
119	$msg .= "\n"	140	$msg .= "\n"
120	unless $msg =~ /\n$/;	141	unless $msg =~ /\n$/;
121		142
122	LOG llevError, "cfperl: $msg";	143	LOG llevError, $msg;
123	};	144	};
124	}	145	}
125		146
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		166
146	$Event::DIED = sub {	167	$Event::DIED = sub {
147	warn "error in event callback: @_";	168	warn "error in event callback: @_";
148	};	169	};
149		170
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	171	=head2 UTILITY FUNCTIONS
155		172
156	=over 4	173	=over 4
157		174
		175	=item dumpval $ref
		176
158	=cut	177	=cut
		178
		179	sub dumpval {
		180	eval {
		181	local $SIG{__DIE__};
		182	my $d;
		183	if (1) {
		184	$d = new Data::Dumper([$_[0]], ["*var"]);
		185	$d->Terse(1);
		186	$d->Indent(2);
		187	$d->Quotekeys(0);
		188	$d->Useqq(1);
		189	#$d->Bless(...);
		190	$d->Seen($_[1]) if @_ > 1;
		191	$d = $d->Dump();
		192	}
		193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		194	$d
		195	} || "[unable to dump $_[0]: '$@']";
		196	}
159		197
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	198	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		199
162	=item $ref = cf::from_json $json	200	=item $ref = cf::from_json $json
163		201
…		…
221	# wake up all waiters, to be on the safe side	259	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	260	$_->ready for @{ delete $LOCK{$key} };
223	}	261	}
224	}	262	}
225		263
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 {	264	sub freeze_mainloop {
243	return unless $TICK_WATCHER->is_active;	265	return unless $TICK_WATCHER->is_active;
244		266
245	my $guard = Coro::guard { $TICK_WATCHER->start };	267	my $guard = Coro::guard {
		268	$TICK_WATCHER->start;
		269	$WRITE_RUNTIME_WATCHER->start;
		270	};
		271	$WRITE_RUNTIME_WATCHER->stop;
246	$TICK_WATCHER->stop;	272	$TICK_WATCHER->stop;
247	$guard	273	$guard
248	}	274	}
		275
		276	=item cf::async { BLOCK }
		277
		278	Currently the same as Coro::async_pool, meaning you cannot use
		279	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		280	thing you are allowed to do is call C<prio> on it.
		281
		282	=cut
		283
		284	BEGIN { *async = \&Coro::async_pool }
249		285
250	=item cf::sync_job { BLOCK }	286	=item cf::sync_job { BLOCK }
251		287
252	The design of crossfire+ requires that the main coro ($Coro::main) is	288	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	289	always able to handle events or runnable, as crossfire+ is only partly
…		…
272	my $freeze_guard = freeze_mainloop;	308	my $freeze_guard = freeze_mainloop;
273		309
274	my $busy = 1;	310	my $busy = 1;
275	my @res;	311	my @res;
276		312
277	(Coro::async {	313	(async {
278	@res = eval { $job->() };	314	@res = eval { $job->() };
279	warn $@ if $@;	315	warn $@ if $@;
280	undef $busy;	316	undef $busy;
281	})->prio (Coro::PRIO_MAX);	317	})->prio (Coro::PRIO_MAX);
282		318
283	while ($busy) {	319	while ($busy) {
284	Coro::cede_notself;	320	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	321	}
287		322
288	wantarray ? @res : $res[0]	323	wantarray ? @res : $res[0]
289	} else {	324	} else {
290	# we are in another coroutine, how wonderful, everything just works	325	# we are in another coroutine, how wonderful, everything just works
291		326
292	$job->()	327	$job->()
293	}	328	}
294	}	329	}
295		330
296	=item $coro = cf::coro { BLOCK }	331	=item $coro = cf::async_ext { BLOCK }
297		332
298	Creates and returns a new coro. This coro is automcatially being canceled	333	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	334	extension calling this is being unloaded.
300		335
301	=cut	336	=cut
302		337
303	sub coro(&) {	338	sub async_ext(&) {
304	my $cb = shift;	339	my $cb = shift;
305		340
306	my $coro = &cf::async ($cb);	341	my $coro = &Coro::async ($cb);
307		342
308	$coro->on_destroy (sub {	343	$coro->on_destroy (sub {
309	delete $EXT_CORO{$coro+0};	344	delete $EXT_CORO{$coro+0};
310	});	345	});
311	$EXT_CORO{$coro+0} = $coro;	346	$EXT_CORO{$coro+0} = $coro;
…		…
317	my $runtime = cf::localdir . "/runtime";	352	my $runtime = cf::localdir . "/runtime";
318		353
319	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
320	or return;	355	or return;
321		356
		357	my $value = $cf::RUNTIME + 90 + 10;
322	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	358	# 10 is the runtime save interval, for a monotonic clock
		359	# 60 allows for the watchdog to kill the server.
		360
323	(aio_write $fh, 0, (length $value), $value, 0) <= 0	361	(aio_write $fh, 0, (length $value), $value, 0) <= 0
324	and return;	362	and return;
325		363
		364	# always fsync - this file is important
326	aio_fsync $fh	365	aio_fsync $fh
327	and return;	366	and return;
328		367
329	close $fh	368	close $fh
330	or return;	369	or return;
…		…
336	}	375	}
337		376
338	=back	377	=back
339		378
340	=cut	379	=cut
341
342	#############################################################################
343
344	package cf::path;
345
346	sub new {
347	my ($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		380
462	#############################################################################	381	#############################################################################
463		382
464	=head2 ATTACHABLE OBJECTS	383	=head2 ATTACHABLE OBJECTS
465		384
…		…
591	our @CB_TYPE = (); # registry for type (cf-object class) based events	510	our @CB_TYPE = (); # registry for type (cf-object class) based events
592	our @CB_MAP = ();	511	our @CB_MAP = ();
593		512
594	my %attachment;	513	my %attachment;
595		514
		515	sub cf::attachable::thawer_merge {
		516	# simply override everything except _meta
		517	local $_[0]{_meta};
		518	%{$_[0]} = %{$_[1]};
		519	}
		520
596	sub _attach_cb($$$$) {	521	sub _attach_cb($$$$) {
597	my ($registry, $event, $prio, $cb) = @_;	522	my ($registry, $event, $prio, $cb) = @_;
598		523
599	use sort 'stable';	524	use sort 'stable';
600		525
…		…
771	# object support	696	# object support
772		697
773	sub reattach {	698	sub reattach {
774	# basically do the same as instantiate, without calling instantiate	699	# basically do the same as instantiate, without calling instantiate
775	my ($obj) = @_;	700	my ($obj) = @_;
		701
		702	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
776		703
777	my $registry = $obj->registry;	704	my $registry = $obj->registry;
778		705
779	@$registry = ();	706	@$registry = ();
780		707
…		…
827	$filename, length $$rdata, scalar @$objs;	754	$filename, length $$rdata, scalar @$objs;
828		755
829	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	757	chmod SAVE_MODE, $fh;
831	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
832	aio_fsync $fh;	759	aio_fsync $fh if $cf::USE_FSYNC;
833	close $fh;	760	close $fh;
834		761
835	if (@$objs) {	762	if (@$objs) {
836	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
837	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
838	my $data = Storable::nfreeze { version => 1, objs => $objs };	765	my $data = Storable::nfreeze { version => 1, objs => $objs };
839	aio_write $fh, 0, (length $data), $data, 0;	766	aio_write $fh, 0, (length $data), $data, 0;
840	aio_fsync $fh;	767	aio_fsync $fh if $cf::USE_FSYNC;
841	close $fh;	768	close $fh;
842	aio_rename "$filename.pst~", "$filename.pst";	769	aio_rename "$filename.pst~", "$filename.pst";
843	}	770	}
844	} else {	771	} else {
845	aio_unlink "$filename.pst";	772	aio_unlink "$filename.pst";
…		…
851	}	778	}
852	} else {	779	} else {
853	aio_unlink $filename;	780	aio_unlink $filename;
854	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
855	}	782	}
		783
		784	#d##TODO# nuke non .map-files if exist
		785	if ($filename =~ s/\.map$//) {
		786	aio_unlink $filename;
		787	aio_unlink "$filename.pst";
		788	}
856	}	789	}
857	}	790	}
858		791
859	sub object_freezer_as_string {	792	sub object_freezer_as_string {
860	my ($rdata, $objs) = @_;	793	my ($rdata, $objs) = @_;
…		…
866		799
867	sub object_thawer_load {	800	sub object_thawer_load {
868	my ($filename) = @_;	801	my ($filename) = @_;
869		802
870	my ($data, $av);	803	my ($data, $av);
		804
		805	#d#TODO remove .map if file does not exist
		806	aio_stat $filename and $filename =~ s/\.map$//;
871		807
872	(aio_load $filename, $data) >= 0	808	(aio_load $filename, $data) >= 0
873	or return;	809	or return;
874		810
875	unless (aio_stat "$filename.pst") {	811	unless (aio_stat "$filename.pst") {
…		…
912	=cut	848	=cut
913		849
914	sub register_extcmd {	850	sub register_extcmd {
915	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
916		852
917	my $caller = caller;
918	#warn "registering extcmd '$name' to '$caller'";
919
920	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
921	}	854	}
922		855
923	cf::player->attach (	856	cf::player->attach (
924	on_command => sub {	857	on_command => sub {
925	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
938		871
939	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
940		873
941	if (ref $msg) {	874	if (ref $msg) {
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
944	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
945	}	878	}
946	}	879	}
947	} else {	880	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
950		883
951	cf::override;	884	cf::override;
952	},	885	},
953	);	886	);
954		887
955	sub register {
956	my ($base, $pkg) = @_;
957
958	#TODO
959	}
960
961	sub load_extension {	888	sub load_extension {
962	my ($path) = @_;	889	my ($path) = @_;
963		890
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
965	my $base = $1;	892	my $base = $1;
966	my $pkg = $1;	893	my $pkg = $1;
967	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
968	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
969		896
970	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
971		898
972	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
973	or die "$path: $!";	900	or die "$path: $!";
974		901
975	my $source =	902	my $source =
976	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
978	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
979	. "\n};\n1";	906	. "\n};\n1";
980		907
981	eval $source	908	unless (eval $source) {
982	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
983	: "extension disabled.\n";	910	: "extension disabled.\n";
984		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
985	push @exts, $pkg;	912	warn $@;
986	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
987		914	exit 1;
988	# no strict 'refs';	915	}
989	# @{"$pkg\::ISA"} = ext::;	916	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	# }	917	}
1004		918
1005	# remove commands	919	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	}	920	}
1030		921
1031	sub load_extensions {	922	sub load_extensions {
1032	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1033	next unless -r $ext;	924	next unless -r $ext;
…		…
1037	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1038	}	929	}
1039	}	930	}
1040		931
1041	#############################################################################	932	#############################################################################
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		933
1079	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1080		935
1081	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1082		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1083	=head3 cf::player	944	=head3 cf::player
1084		945
1085	=over 4	946	=over 4
1086		947
1087	=item cf::player::exists $login	948	=item cf::player::find $login
1088		949
1089	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1090		951
1091	=cut	952	=cut
1092		953
1093	sub cf::player::exists($) {	954	sub playerdir($) {
1094	cf::player::find $_[0]	955	cf::localdir
1095	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	956	. "/"
		957	. cf::playerdir
		958	. "/"
		959	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		960	}
		961
		962	sub path($) {
		963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		964
		965	(playerdir $login) . "/$login.pl"
		966	}
		967
		968	sub find_active($) {
		969	$cf::PLAYER{$_[0]}
		970	and $cf::PLAYER{$_[0]}->active
		971	and $cf::PLAYER{$_[0]}
		972	}
		973
		974	sub exists($) {
		975	my ($login) = @_;
		976
		977	$cf::PLAYER{$login}
		978	or cf::sync_job { !aio_stat path $login }
		979	}
		980
		981	sub find($) {
		982	return $cf::PLAYER{$_[0]} || do {
		983	my $login = $_[0];
		984
		985	my $guard = cf::lock_acquire "user_find:$login";
		986
		987	$cf::PLAYER{$_[0]} || do {
		988	my $pl = load_pl path $login
		989	or return;
		990	$cf::PLAYER{$login} = $pl
		991	}
		992	}
		993	}
		994
		995	sub save($) {
		996	my ($pl) = @_;
		997
		998	return if $pl->{deny_save};
		999
		1000	my $path = path $pl;
		1001	my $guard = cf::lock_acquire "user_save:$path";
		1002
		1003	return if $pl->{deny_save};
		1004
		1005	aio_mkdir playerdir $pl, 0770;
		1006	$pl->{last_save} = $cf::RUNTIME;
		1007
		1008	$pl->save_pl ($path);
		1009	Coro::cede;
		1010	}
		1011
		1012	sub new($) {
		1013	my ($login) = @_;
		1014
		1015	my $self = create;
		1016
		1017	$self->ob->name ($login);
		1018	$self->{deny_save} = 1;
		1019
		1020	$cf::PLAYER{$login} = $self;
		1021
		1022	$self
		1023	}
		1024
		1025	=item $pl->quit_character
		1026
		1027	Nukes the player without looking back. If logged in, the connection will
		1028	be destroyed. May block for a long time.
		1029
		1030	=cut
		1031
		1032	sub quit_character {
		1033	my ($pl) = @_;
		1034
		1035	$pl->{deny_save} = 1;
		1036	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1037
		1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1039	$pl->deactivate;
		1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1041	$pl->ns->destroy if $pl->ns;
		1042
		1043	my $path = playerdir $pl;
		1044	my $temp = "$path~$cf::RUNTIME~deleting~";
		1045	aio_rename $path, $temp;
		1046	delete $cf::PLAYER{$pl->ob->name};
		1047	$pl->destroy;
		1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item cf::player::list_logins
		1052
		1053	Returns am arrayref of all valid playernames in the system, can take a
		1054	while and may block, so not sync_job-capable, ever.
		1055
		1056	=cut
		1057
		1058	sub list_logins {
		1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1060	or return [];
		1061
		1062	my @logins;
		1063
		1064	for my $login (@$dirs) {
		1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1066	aio_read $fh, 0, 512, my $buf, 0 or next;
		1067	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1068
		1069	utf8::decode $login;
		1070	push @logins, $login;
		1071	}
		1072
		1073	\@logins
		1074	}
		1075
		1076	=item $player->maps
		1077
		1078	Returns an arrayref of map paths that are private for this
		1079	player. May block.
		1080
		1081	=cut
		1082
		1083	sub maps($) {
		1084	my ($pl) = @_;
		1085
		1086	$pl = ref $pl ? $pl->ob->name : $pl;
		1087
		1088	my $files = aio_readdir playerdir $pl
		1089	or return;
		1090
		1091	my @paths;
		1092
		1093	for (@$files) {
		1094	utf8::decode $_;
		1095	next if /\.(?:pl|pst)$/;
		1096	next unless /^$PATH_SEP/o;
		1097
		1098	push @paths, cf::map::normalise "~$pl/$_";
		1099	}
		1100
		1101	\@paths
1096	}	1102	}
1097		1103
1098	=item $player->ext_reply ($msgid, $msgtype, %msg)	1104	=item $player->ext_reply ($msgid, $msgtype, %msg)
1099		1105
1100	Sends an ext reply to the player.	1106	Sends an ext reply to the player.
1101		1107
1102	=cut	1108	=cut
1103		1109
1104	sub cf::player::ext_reply($$$%) {	1110	sub ext_reply($$$%) {
1105	my ($self, $id, %msg) = @_;	1111	my ($self, $id, %msg) = @_;
1106		1112
1107	$msg{msgid} = $id;	1113	$msg{msgid} = $id;
1108		1114
1109	$self->send ("ext " . to_json \%msg);	1115	$self->send ("ext " . cf::to_json \%msg);
1110	}	1116	}
		1117
		1118	package cf;
1111		1119
1112	=back	1120	=back
1113		1121
1114		1122
1115	=head3 cf::map	1123	=head3 cf::map
…		…
1121	package cf::map;	1129	package cf::map;
1122		1130
1123	use Fcntl;	1131	use Fcntl;
1124	use Coro::AIO;	1132	use Coro::AIO;
1125		1133
		1134	use overload
		1135	'""' => \&as_string,
		1136	fallback => 1;
		1137
1126	our $MAX_RESET = 3600;	1138	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1139	our $DEFAULT_RESET = 3000;
1128		1140
1129	sub generate_random_map {	1141	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1142	my ($self, $rmp) = @_;
1131
1132	# mit "rum" bekleckern, nicht	1143	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1144	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1148	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1149	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1152	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1153	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1154	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(cf::region::find $rmp->{region})	1155	(cf::region::find $rmp->{region}), $rmp->{custom}
		1156	)
		1157	}
		1158
		1159	=item cf::map->register ($regex, $prio)
		1160
		1161	Register a handler for the map path matching the given regex at the
		1162	givne priority (higher is better, built-in handlers have priority 0, the
		1163	default).
		1164
		1165	=cut
		1166
		1167	sub register {
		1168	my (undef, $regex, $prio) = @_;
		1169	my $pkg = caller;
		1170
		1171	no strict;
		1172	push @{"$pkg\::ISA"}, __PACKAGE__;
		1173
		1174	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1175	}
		1176
		1177	# also paths starting with '/'
		1178	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1179
		1180	sub thawer_merge {
		1181	my ($self, $merge) = @_;
		1182
		1183	# we have to keep some variables in memory intact
		1184	local $self->{path};
		1185	local $self->{load_path};
		1186	local $self->{deny_save};
		1187	local $self->{deny_reset};
		1188
		1189	$self->SUPER::thawer_merge ($merge);
		1190	}
		1191
		1192	sub normalise {
		1193	my ($path, $base) = @_;
		1194
		1195	$path = "$path"; # make sure its a string
		1196
		1197	$path =~ s/\.map$//;
		1198
		1199	# map plan:
		1200	#
		1201	# /! non-realised random map exit (special hack!)
		1202	# {... are special paths that are not being touched
		1203	# ?xxx/... are special absolute paths
		1204	# ?random/... random maps
		1205	# /... normal maps
		1206	# ~user/... per-player map of a specific user
		1207
		1208	$path =~ s/$PATH_SEP/\//go;
		1209
		1210	# treat it as relative path if it starts with
		1211	# something that looks reasonable
		1212	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1213	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1214
		1215	$base =~ s{[^/]+/?$}{};
		1216	$path = "$base/$path";
		1217	}
		1218
		1219	for ($path) {
		1220	redo if s{//}{/};
		1221	redo if s{/\.?/}{/};
		1222	redo if s{/[^/]+/\.\./}{/};
		1223	}
		1224
		1225	$path
		1226	}
		1227
		1228	sub new_from_path {
		1229	my (undef, $path, $base) = @_;
		1230
		1231	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1232
		1233	$path = normalise $path, $base;
		1234
		1235	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1236	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1237	my $self = bless cf::map::new, $pkg;
		1238	$self->{path} = $path; $self->path ($path);
		1239	$self->init; # pass $1 etc.
		1240	return $self;
		1241	}
		1242	}
		1243
		1244	Carp::carp "unable to resolve path '$path' (base '$base').";
		1245	()
		1246	}
		1247
		1248	sub init {
		1249	my ($self) = @_;
		1250
		1251	$self
		1252	}
		1253
		1254	sub as_string {
		1255	my ($self) = @_;
		1256
		1257	"$self->{path}"
		1258	}
		1259
		1260	# the displayed name, this is a one way mapping
		1261	sub visible_name {
		1262	&as_string
		1263	}
		1264
		1265	# the original (read-only) location
		1266	sub load_path {
		1267	my ($self) = @_;
		1268
		1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1270	}
		1271
		1272	# the temporary/swap location
		1273	sub save_path {
		1274	my ($self) = @_;
		1275
		1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1278	}
		1279
		1280	# the unique path, undef == no special unique path
		1281	sub uniq_path {
		1282	my ($self) = @_;
		1283
		1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1146	}	1286	}
1147		1287
1148	# and all this just because we cannot iterate over	1288	# and all this just because we cannot iterate over
1149	# all maps in C++...	1289	# all maps in C++...
1150	sub change_all_map_light {	1290	sub change_all_map_light {
…		…
1152		1292
1153	$_->change_map_light ($change)	1293	$_->change_map_light ($change)
1154	for grep $_->outdoor, values %cf::MAP;	1294	for grep $_->outdoor, values %cf::MAP;
1155	}	1295	}
1156		1296
		1297	sub unlink_save {
		1298	my ($self) = @_;
		1299
		1300	utf8::encode (my $save = $self->save_path);
		1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1303
		1304	#d#TODO remove .map and also nuke
		1305	$save =~ s/\.map// or return;#d#
		1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1308	}
		1309
1157	sub try_load_header($) {	1310	sub load_header_from($) {
1158	my ($path) = @_;	1311	my ($self, $path) = @_;
1159		1312
1160	utf8::encode $path;	1313	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1314	#aio_open $path, O_RDONLY, 0
		1315	# or return;
		1316
		1317	$self->_load_header ($path)
1162	or return;	1318	or return;
1163		1319
1164	my $map = cf::map::new	1320	$self->{load_path} = $path;
		1321
		1322	1
		1323	}
		1324
		1325	sub load_header_orig {
		1326	my ($self) = @_;
		1327
		1328	$self->load_header_from ($self->load_path)
		1329	}
		1330
		1331	sub load_header_temp {
		1332	my ($self) = @_;
		1333
		1334	$self->load_header_from ($self->save_path)
		1335	}
		1336
		1337	sub prepare_temp {
		1338	my ($self) = @_;
		1339
		1340	$self->last_access ((delete $self->{last_access})
		1341	|| $cf::RUNTIME); #d#
		1342	# safety
		1343	$self->{instantiate_time} = $cf::RUNTIME
		1344	if $self->{instantiate_time} > $cf::RUNTIME;
		1345	}
		1346
		1347	sub prepare_orig {
		1348	my ($self) = @_;
		1349
		1350	$self->{load_original} = 1;
		1351	$self->{instantiate_time} = $cf::RUNTIME;
		1352	$self->last_access ($cf::RUNTIME);
		1353	$self->instantiate;
		1354	}
		1355
		1356	sub load_header {
		1357	my ($self) = @_;
		1358
		1359	if ($self->load_header_temp) {
		1360	$self->prepare_temp;
		1361	} else {
		1362	$self->load_header_orig
1165	or return;	1363	or return;
		1364	$self->prepare_orig;
		1365	}
1166		1366
1167	# for better error messages only, will be overwritten	1367	1
1168	$map->path ($path);
1169
1170	$map->load_header ($path)
1171	or return;
1172
1173	$map->{load_path} = $path;
1174
1175	$map
1176	}	1368	}
1177		1369
1178	sub find;	1370	sub find;
1179	sub find {	1371	sub find {
1180	my ($path, $origin) = @_;	1372	my ($path, $origin) = @_;
1181		1373
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1374	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1375
1187	cf::lock_wait "map_find:$key";	1376	cf::lock_wait "map_find:$path";
1188		1377
1189	$cf::MAP{$key} || do {	1378	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1379	my $guard = cf::lock_acquire "map_find:$path";
1191		1380	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;	1381	or return;
1211		1382
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;	1383	$map->{last_save} = $cf::RUNTIME;
1224		1384
1225	Coro::cede;	1385	$map->load_header
		1386	or return;
1226		1387
1227	if ($map->should_reset) {	1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1389	# doing this can freeze the server in a sync job, obviously
		1390	#$cf::WAIT_FOR_TICK->wait;
1228	$map->reset;	1391	$map->reset;
1229	undef $guard;	1392	undef $guard;
1230	$map = find $path	1393	return find $path;
1231	or return;
1232	}	1394	}
1233		1395
1234	$cf::MAP{$key} = $map	1396	$cf::MAP{$path} = $map
1235	}	1397	}
1236	}	1398	}
		1399
		1400	sub pre_load { }
		1401	sub post_load { }
1237		1402
1238	sub load {	1403	sub load {
1239	my ($self) = @_;	1404	my ($self) = @_;
1240		1405
		1406	local $self->{deny_reset} = 1; # loading can take a long time
		1407
1241	my $path = $self->{path};	1408	my $path = $self->{path};
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1409	my $guard = cf::lock_acquire "map_load:$path";
1243		1410
1244	return if $self->in_memory != cf::MAP_SWAPPED;	1411	return if $self->in_memory != cf::MAP_SWAPPED;
1245		1412
1246	$self->in_memory (cf::MAP_LOADING);	1413	$self->in_memory (cf::MAP_LOADING);
1247		1414
1248	$self->alloc;	1415	$self->alloc;
		1416
		1417	$self->pre_load;
		1418
1249	$self->load_objects ($self->{load_path}, 1)	1419	$self->_load_objects ($self->{load_path}, 1)
1250	or return;	1420	or return;
1251		1421
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253	if delete $self->{load_original};	1423	if delete $self->{load_original};
1254		1424
1255	if (my $uniq = $path->uniq_path) {	1425	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	1426	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	1427	if (aio_open $uniq, O_RDONLY, 0) {
1258	$self->clear_unique_items;	1428	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	1429	$self->_load_objects ($uniq, 0);
1260	}	1430	}
1261	}	1431	}
1262		1432
1263	Coro::cede;	1433	Coro::cede;
1264		1434
1265	# now do the right thing for maps	1435	# now do the right thing for maps
1266	$self->link_multipart_objects;	1436	$self->link_multipart_objects;
1267		1437
1268	if ($self->{path}->is_style_map) {	1438	unless ($self->{deny_activate}) {
1269	$self->{deny_save} = 1;	1439	$self->decay_objects;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;	1440	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;	1441	$self->update_buttons;
		1442	Coro::cede;
1275	$self->set_darkness_map;	1443	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	1444	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	1445	unless $self->difficulty;
		1446	Coro::cede;
1278	$self->activate;	1447	$self->activate;
1279	}	1448	}
1280		1449
1281	Coro::cede;	1450	$self->post_load;
1282		1451
1283	$self->in_memory (cf::MAP_IN_MEMORY);	1452	$self->in_memory (cf::MAP_IN_MEMORY);
		1453	}
		1454
		1455	sub customise_for {
		1456	my ($self, $ob) = @_;
		1457
		1458	return find "~" . $ob->name . "/" . $self->{path}
		1459	if $self->per_player;
		1460
		1461	$self
		1462	}
		1463
		1464	# find and load all maps in the 3x3 area around a map
		1465	sub load_diag {
		1466	my ($map) = @_;
		1467
		1468	my @diag; # diagonal neighbours
		1469
		1470	for (0 .. 3) {
		1471	my $neigh = $map->tile_path ($_)
		1472	or next;
		1473	$neigh = find $neigh, $map
		1474	or next;
		1475	$neigh->load;
		1476
		1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1479	}
		1480
		1481	for (@diag) {
		1482	my $neigh = find @$_
		1483	or next;
		1484	$neigh->load;
		1485	}
1284	}	1486	}
1285		1487
1286	sub find_sync {	1488	sub find_sync {
1287	my ($path, $origin) = @_;	1489	my ($path, $origin) = @_;
1288		1490
1289	cf::sync_job { cf::map::find $path, $origin }	1491	cf::sync_job { find $path, $origin }
1290	}	1492	}
1291		1493
1292	sub do_load_sync {	1494	sub do_load_sync {
1293	my ($map) = @_;	1495	my ($map) = @_;
1294		1496
1295	cf::sync_job { $map->load };	1497	cf::sync_job { $map->load };
1296	}	1498	}
1297		1499
		1500	our %MAP_PREFETCH;
		1501	our $MAP_PREFETCHER = undef;
		1502
		1503	sub find_async {
		1504	my ($path, $origin) = @_;
		1505
		1506	$path = normalise $path, $origin && $origin->{path};
		1507
		1508	if (my $map = $cf::MAP{$path}) {
		1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1510	}
		1511
		1512	undef $MAP_PREFETCH{$path};
		1513	$MAP_PREFETCHER ||= cf::async {
		1514	while (%MAP_PREFETCH) {
		1515	for my $path (keys %MAP_PREFETCH) {
		1516	my $map = find $path
		1517	or next;
		1518	$map->load;
		1519
		1520	delete $MAP_PREFETCH{$path};
		1521	}
		1522	}
		1523	undef $MAP_PREFETCHER;
		1524	};
		1525	$MAP_PREFETCHER->prio (6);
		1526
		1527	()
		1528	}
		1529
1298	sub save {	1530	sub save {
1299	my ($self) = @_;	1531	my ($self) = @_;
1300		1532
1301	my $lock = cf::lock_acquire "map_data:" . $self->path;	1533	my $lock = cf::lock_acquire "map_data:" . $self->path;
1302		1534
1303	$self->{last_save} = $cf::RUNTIME;	1535	$self->{last_save} = $cf::RUNTIME;
1304		1536
1305	return unless $self->dirty;	1537	return unless $self->dirty;
1306		1538
1307	my $save = $self->{path}->save_path; utf8::encode $save;	1539	my $save = $self->save_path; utf8::encode $save;
1308	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1540	my $uniq = $self->uniq_path; utf8::encode $uniq;
1309		1541
1310	$self->{load_path} = $save;	1542	$self->{load_path} = $save;
1311		1543
1312	return if $self->{deny_save};	1544	return if $self->{deny_save};
1313		1545
1314	local $self->{last_access} = $self->last_access;#d#	1546	local $self->{last_access} = $self->last_access;#d#
1315		1547
		1548	cf::async {
		1549	$_->contr->save for $self->players;
		1550	};
		1551
1316	if ($uniq) {	1552	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1555	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1557	}
1322	}	1558	}
1323		1559
1324	sub swap_out {	1560	sub swap_out {
1325	my ($self) = @_;	1561	my ($self) = @_;
…		…
1339		1575
1340	sub reset_at {	1576	sub reset_at {
1341	my ($self) = @_;	1577	my ($self) = @_;
1342		1578
1343	# TODO: safety, remove and allow resettable per-player maps	1579	# TODO: safety, remove and allow resettable per-player maps
1344	return 1e99 if $self->{path}{user_rel};	1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1345	return 1e99 if $self->{deny_reset};	1581	return 1e99 if $self->{deny_reset};
1346		1582
1347	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1348	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1349		1585
…		…
1354	my ($self) = @_;	1590	my ($self) = @_;
1355		1591
1356	$self->reset_at <= $cf::RUNTIME	1592	$self->reset_at <= $cf::RUNTIME
1357	}	1593	}
1358		1594
1359	sub unlink_save {
1360	my ($self) = @_;
1361
1362	utf8::encode (my $save = $self->{path}->save_path);
1363	aioreq_pri 3; IO::AIO::aio_unlink $save;
1364	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1365	}
1366
1367	sub rename {
1368	my ($self, $new_path) = @_;
1369
1370	$self->unlink_save;
1371
1372	delete $cf::MAP{$self->path};
1373	$self->{path} = new cf::path $new_path;
1374	$self->path ($self->{path}->as_string);
1375	$cf::MAP{$self->path} = $self;
1376
1377	$self->save;
1378	}
1379
1380	sub reset {	1595	sub reset {
1381	my ($self) = @_;	1596	my ($self) = @_;
1382		1597
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	1598	my $lock = cf::lock_acquire "map_data:$self->{path}";
1384		1599
1385	return if $self->players;	1600	return if $self->players;
1386	return if $self->{path}{user_rel};#d#	1601	return if $self->isa ("ext::map_per_player");#d#
1387		1602
1388	warn "resetting map ", $self->path;#d#	1603	warn "resetting map ", $self->path;#d#
1389		1604
1390	delete $cf::MAP{$self->path};	1605	delete $cf::MAP{$self->path};
		1606
		1607	$self->in_memory (cf::MAP_SWAPPED);
		1608	$self->clear;
1391		1609
1392	$_->clear_links_to ($self) for values %cf::MAP;	1610	$_->clear_links_to ($self) for values %cf::MAP;
1393		1611
1394	$self->unlink_save;	1612	$self->unlink_save;
1395	$self->destroy;	1613	$self->destroy;
…		…
1398	my $nuke_counter = "aaaa";	1616	my $nuke_counter = "aaaa";
1399		1617
1400	sub nuke {	1618	sub nuke {
1401	my ($self) = @_;	1619	my ($self) = @_;
1402		1620
		1621	delete $cf::MAP{$self->path};
		1622
		1623	$self->unlink_save;
		1624
		1625	bless $self, "cf::map";
		1626	delete $self->{deny_reset};
1403	$self->{deny_save} = 1;	1627	$self->{deny_save} = 1;
1404	$self->reset_timeout (1);	1628	$self->reset_timeout (1);
1405	$self->rename ("{nuke}/" . ($nuke_counter++));	1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1630
		1631	$cf::MAP{$self->path} = $self;
		1632
1406	$self->reset; # polite request, might not happen	1633	$self->reset; # polite request, might not happen
1407	}	1634	}
1408		1635
1409	sub customise_for {	1636	=item cf::map::unique_maps
1410	my ($map, $ob) = @_;
1411		1637
1412	if ($map->per_player) {	1638	Returns an arrayref of paths of all shared maps that have
1413	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1639	instantiated unique items. May block.
1414	}
1415		1640
1416	$map	1641	=cut
1417	}
1418		1642
1419	sub emergency_save {	1643	sub unique_maps() {
1420	my $freeze_guard = cf::freeze_mainloop;	1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1645	or return;
1421		1646
1422	warn "enter emergency map save\n";	1647	my @paths;
1423		1648
1424	cf::sync_job {	1649	for (@$files) {
1425	warn "begin emergency map save\n";	1650	utf8::decode $_;
1426	$_->save for values %cf::MAP;	1651	next if /\.pst$/;
		1652	next unless /^$PATH_SEP/o;
		1653
		1654	push @paths, cf::map::normalise $_;
1427	};	1655	}
1428		1656
1429	warn "end emergency map save\n";	1657	\@paths
1430	}	1658	}
1431		1659
1432	package cf;	1660	package cf;
1433		1661
1434	=back	1662	=back
1435		1663
		1664	=head3 cf::object
		1665
		1666	=cut
		1667
		1668	package cf::object;
		1669
		1670	=over 4
		1671
		1672	=item $ob->inv_recursive
		1673
		1674	Returns the inventory of the object _and_ their inventories, recursively.
		1675
		1676	=cut
		1677
		1678	sub inv_recursive_;
		1679	sub inv_recursive_ {
		1680	map { $_, inv_recursive_ $_->inv } @_
		1681	}
		1682
		1683	sub inv_recursive {
		1684	inv_recursive_ inv $_[0]
		1685	}
		1686
		1687	package cf;
		1688
		1689	=back
1436		1690
1437	=head3 cf::object::player	1691	=head3 cf::object::player
1438		1692
1439	=over 4	1693	=over 4
1440		1694
…		…
1480		1734
1481	=item $player_object->enter_link	1735	=item $player_object->enter_link
1482		1736
1483	Freezes the player and moves him/her to a special map (C<{link}>).	1737	Freezes the player and moves him/her to a special map (C<{link}>).
1484		1738
1485	The player should be reaosnably safe there for short amounts of time. You	1739	The player should be reasonably safe there for short amounts of time. You
1486	I<MUST> call C<leave_link> as soon as possible, though.	1740	I<MUST> call C<leave_link> as soon as possible, though.
1487		1741
		1742	Will never block.
		1743
1488	=item $player_object->leave_link ($map, $x, $y)	1744	=item $player_object->leave_link ($map, $x, $y)
1489		1745
1490	Moves the player out of the specila link map onto the given map. If the	1746	Moves the player out of the special C<{link}> map onto the specified
1491	map is not valid (or omitted), the player will be moved back to the	1747	map. If the map is not valid (or omitted), the player will be moved back
1492	location he/she was before the call to C<enter_link>, or, if that fails,	1748	to the location he/she was before the call to C<enter_link>, or, if that
1493	to the emergency map position.	1749	fails, to the emergency map position.
1494		1750
1495	Might block.	1751	Might block.
1496		1752
1497	=cut	1753	=cut
		1754
		1755	sub link_map {
		1756	unless ($LINK_MAP) {
		1757	$LINK_MAP = cf::map::find "{link}"
		1758	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1759	$LINK_MAP->load;
		1760	}
		1761
		1762	$LINK_MAP
		1763	}
1498		1764
1499	sub cf::object::player::enter_link {	1765	sub cf::object::player::enter_link {
1500	my ($self) = @_;	1766	my ($self) = @_;
1501		1767
1502	$self->deactivate_recursive;	1768	$self->deactivate_recursive;
1503		1769
1504	return if $self->map == $LINK_MAP;	1770	return if UNIVERSAL::isa $self->map, "ext::map_link";
1505		1771
1506	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1507	if $self->map;	1773	if $self->map;
1508		1774
1509	$self->enter_map ($LINK_MAP, 20, 20);	1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1510	}	1776	}
1511		1777
1512	sub cf::object::player::leave_link {	1778	sub cf::object::player::leave_link {
1513	my ($self, $map, $x, $y) = @_;	1779	my ($self, $map, $x, $y) = @_;
1514		1780
…		…
1532	# use -1 or undef as default coordinates, not 0, 0	1798	# use -1 or undef as default coordinates, not 0, 0
1533	($x, $y) = ($map->enter_x, $map->enter_y)	1799	($x, $y) = ($map->enter_x, $map->enter_y)
1534	if $x <=0 && $y <= 0;	1800	if $x <=0 && $y <= 0;
1535		1801
1536	$map->load;	1802	$map->load;
		1803	$map->load_diag;
1537		1804
		1805	return unless $self->contr->active;
1538	$self->activate_recursive;	1806	$self->activate_recursive;
1539	$self->enter_map ($map, $x, $y);	1807	$self->enter_map ($map, $x, $y);
1540	}	1808	}
1541		1809
1542	cf::player->attach (	1810	cf::player->attach (
…		…
1555		1823
1556	# try to abort aborted map switching on player login :)	1824	# try to abort aborted map switching on player login :)
1557	# should happen only on crashes	1825	# should happen only on crashes
1558	if ($pl->ob->{_link_pos}) {	1826	if ($pl->ob->{_link_pos}) {
1559	$pl->ob->enter_link;	1827	$pl->ob->enter_link;
1560	cf::async {	1828	(async {
1561	# we need this sleep as the login has a concurrent enter_exit running	1829	# we need this sleep as the login has a concurrent enter_exit running
1562	# and this sleep increases chances of the player not ending up in scorn	1830	# and this sleep increases chances of the player not ending up in scorn
		1831	$pl->ob->reply (undef,
		1832	"There was an internal problem at your last logout, "
		1833	. "the server will try to bring you to your intended destination in a second.",
		1834	cf::NDI_RED);
1563	Coro::Timer::sleep 1;	1835	Coro::Timer::sleep 1;
1564	$pl->ob->leave_link;	1836	$pl->ob->leave_link;
1565	};	1837	})->prio (2);
1566	}	1838	}
1567	},	1839	},
1568	);	1840	);
1569		1841
1570	=item $player_object->goto ($path, $x, $y)	1842	=item $player_object->goto ($path, $x, $y)
…		…
1574	sub cf::object::player::goto {	1846	sub cf::object::player::goto {
1575	my ($self, $path, $x, $y) = @_;	1847	my ($self, $path, $x, $y) = @_;
1576		1848
1577	$self->enter_link;	1849	$self->enter_link;
1578		1850
1579	(cf::async {	1851	(async {
1580	$path = new cf::path $path;	1852	my $map = eval {
1581
1582	my $map = cf::map::find $path->as_string;	1853	my $map = cf::map::find $path;
1583	$map = $map->customise_for ($self) if $map;	1854	$map = $map->customise_for ($self) if $map;
1584		1855	$map
1585	# warn "entering ", $map->path, " at ($x, $y)\n"	1856	} or
1586	# if $map;
1587
1588	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1589		1858
1590	$self->leave_link ($map, $x, $y);	1859	$self->leave_link ($map, $x, $y);
1591	})->prio (1);	1860	})->prio (1);
1592	}	1861	}
1593		1862
…		…
1597		1866
1598	sub parse_random_map_params {	1867	sub parse_random_map_params {
1599	my ($spec) = @_;	1868	my ($spec) = @_;
1600		1869
1601	my $rmp = { # defaults	1870	my $rmp = { # defaults
1602	xsize => 10,	1871	xsize => (cf::rndm 15, 40),
1603	ysize => 10,	1872	ysize => (cf::rndm 15, 40),
		1873	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1874	#layout => string,
1604	};	1875	};
1605		1876
1606	for (split /\n/, $spec) {	1877	for (split /\n/, $spec) {
1607	my ($k, $v) = split /\s+/, $_, 2;	1878	my ($k, $v) = split /\s+/, $_, 2;
1608		1879
…		…
1612	$rmp	1883	$rmp
1613	}	1884	}
1614		1885
1615	sub prepare_random_map {	1886	sub prepare_random_map {
1616	my ($exit) = @_;	1887	my ($exit) = @_;
		1888
		1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1617		1890
1618	# all this does is basically replace the /! path by	1891	# all this does is basically replace the /! path by
1619	# a new random map path (?random/...) with a seed	1892	# a new random map path (?random/...) with a seed
1620	# that depends on the exit object	1893	# that depends on the exit object
1621		1894
1622	my $rmp = parse_random_map_params $exit->msg;	1895	my $rmp = parse_random_map_params $exit->msg;
1623		1896
1624	if ($exit->map) {	1897	if ($exit->map) {
1625	$rmp->{region} = $exit->map->region_name;	1898	$rmp->{region} = $exit->region->name;
1626	$rmp->{origin_map} = $exit->map->path;	1899	$rmp->{origin_map} = $exit->map->path;
1627	$rmp->{origin_x} = $exit->x;	1900	$rmp->{origin_x} = $exit->x;
1628	$rmp->{origin_y} = $exit->y;	1901	$rmp->{origin_y} = $exit->y;
1629	}	1902	}
1630		1903
1631	$rmp->{random_seed} ||= $exit->random_seed;	1904	$rmp->{random_seed} ||= $exit->random_seed;
1632		1905
1633	my $data = cf::to_json $rmp;	1906	my $data = cf::to_json $rmp;
1634	my $md5 = Digest::MD5::md5_hex $data;	1907	my $md5 = Digest::MD5::md5_hex $data;
		1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1635		1909
1636	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1637	aio_write $fh, 0, (length $data), $data, 0;	1911	aio_write $fh, 0, (length $data), $data, 0;
		1912	undef $fh;
		1913	aio_rename "$meta~", $meta;
1638		1914
1639	$exit->slaying ("?random/$md5");	1915	$exit->slaying ("?random/$md5");
1640	$exit->msg (undef);	1916	$exit->msg (undef);
1641	}	1917	}
1642	}	1918	}
…		…
1644	sub cf::object::player::enter_exit {	1920	sub cf::object::player::enter_exit {
1645	my ($self, $exit) = @_;	1921	my ($self, $exit) = @_;
1646		1922
1647	return unless $self->type == cf::PLAYER;	1923	return unless $self->type == cf::PLAYER;
1648		1924
		1925	if ($exit->slaying eq "/!") {
		1926	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1927	cf::sync_job { prepare_random_map $exit };
		1928	}
		1929
		1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1931	my $hp = $exit->stats->hp;
		1932	my $sp = $exit->stats->sp;
		1933
1649	$self->enter_link;	1934	$self->enter_link;
1650		1935
1651	(cf::async {	1936	(async {
1652	$self->deactivate_recursive; # just to be sure	1937	$self->deactivate_recursive; # just to be sure
1653	unless (eval {	1938	unless (eval {
1654	prepare_random_map $exit	1939	$self->goto ($slaying, $hp, $sp);
1655	if $exit->slaying eq "/!";
1656
1657	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1658	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1659		1940
1660	1;	1941	1;
1661	}) {	1942	}) {
1662	$self->message ("Something went wrong deep within the crossfire server. "	1943	$self->message ("Something went wrong deep within the crossfire server. "
1663	. "I'll try to bring you back to the map you were before. "	1944	. "I'll try to bring you back to the map you were before. "
1664	. "Please report this to the dungeon master",	1945	. "Please report this to the dungeon master!",
1665	cf::NDI_UNIQUE | cf::NDI_RED);	1946	cf::NDI_UNIQUE | cf::NDI_RED);
1666		1947
1667	warn "ERROR in enter_exit: $@";	1948	warn "ERROR in enter_exit: $@";
1668	$self->leave_link;	1949	$self->leave_link;
1669	}	1950	}
…		…
1724	# get handled first	2005	# get handled first
1725	my $queue = delete $ns->{query_queue}	2006	my $queue = delete $ns->{query_queue}
1726	or return; # be conservative, not sure how that can happen, but we saw a crash here	2007	or return; # be conservative, not sure how that can happen, but we saw a crash here
1727		2008
1728	(shift @$queue)->[1]->($msg);	2009	(shift @$queue)->[1]->($msg);
		2010	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1729		2011
1730	push @{ $ns->{query_queue} }, @$queue;	2012	push @{ $ns->{query_queue} }, @$queue;
1731		2013
1732	if (@{ $ns->{query_queue} } == @$queue) {	2014	if (@{ $ns->{query_queue} } == @$queue) {
1733	if (@$queue) {	2015	if (@$queue) {
…		…
1737	}	2019	}
1738	}	2020	}
1739	},	2021	},
1740	);	2022	);
1741		2023
1742	=item $client->coro (\&cb)	2024	=item $client->async (\&cb)
1743		2025
1744	Create a new coroutine, running the specified callback. The coroutine will	2026	Create a new coroutine, running the specified callback. The coroutine will
1745	be automatically cancelled when the client gets destroyed (e.g. on logout,	2027	be automatically cancelled when the client gets destroyed (e.g. on logout,
1746	or loss of connection).	2028	or loss of connection).
1747		2029
1748	=cut	2030	=cut
1749		2031
1750	sub cf::client::coro {	2032	sub cf::client::async {
1751	my ($self, $cb) = @_;	2033	my ($self, $cb) = @_;
1752		2034
1753	my $coro = &cf::async ($cb);	2035	my $coro = &Coro::async ($cb);
1754		2036
1755	$coro->on_destroy (sub {	2037	$coro->on_destroy (sub {
1756	delete $self->{_coro}{$coro+0};	2038	delete $self->{_coro}{$coro+0};
1757	});	2039	});
1758		2040
…		…
1952	sub db_sync() {	2234	sub db_sync() {
1953	db_save if $dirty;	2235	db_save if $dirty;
1954	undef $dirty;	2236	undef $dirty;
1955	}	2237	}
1956		2238
1957	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2239	my $idle = Event->idle (
1958	db_sync;	2240	reentrant => 0,
		2241	min => 10,
		2242	max => 20,
		2243	repeat => 0,
		2244	data => WF_AUTOCANCEL,
		2245	cb => \&db_sync,
1959	});	2246	);
1960		2247
1961	sub db_dirty() {	2248	sub db_dirty() {
1962	$dirty = 1;	2249	$dirty = 1;
1963	$idle->start;	2250	$idle->start;
1964	}	2251	}
…		…
1985	},	2272	},
1986	);	2273	);
1987	}	2274	}
1988		2275
1989	#############################################################################	2276	#############################################################################
1990	# the server's main()	2277	# the server's init and main functions
		2278
		2279	sub load_resources {
		2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2281	or die "unable to load regions file\n";#d#
		2282	}
1991		2283
1992	sub cfg_load {	2284	sub cfg_load {
1993	open my $fh, "<:utf8", cf::confdir . "/config"	2285	open my $fh, "<:utf8", cf::confdir . "/config"
1994	or return;	2286	or return;
1995		2287
1996	local $/;	2288	local $/;
1997	*CFG = YAML::Syck::Load <$fh>;	2289	*CFG = YAML::Syck::Load <$fh>;
1998		2290
1999	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2000		2292
		2293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2295
2001	if (exists $CFG{mlockall}) {	2296	if (exists $CFG{mlockall}) {
2002	eval {	2297	eval {
2003	$CFG{mlockall} ? &mlockall : &munlockall	2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2004	and die "WARNING: m(un)lockall failed: $!\n";	2299	and die "WARNING: m(un)lockall failed: $!\n";
2005	};	2300	};
2006	warn $@ if $@;	2301	warn $@ if $@;
2007	}	2302	}
		2303	}
		2304
		2305	sub init {
		2306	load_resources;
2008	}	2307	}
2009		2308
2010	sub main {	2309	sub main {
2011	# we must not ever block the main coroutine	2310	# we must not ever block the main coroutine
2012	local $Coro::idle = sub {	2311	local $Coro::idle = sub {
2013	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2014	(Coro::unblock_sub {	2313	(async {
2015	Event::one_event;	2314	Event::one_event;
2016	})->();	2315	})->prio (Coro::PRIO_MAX);
2017	};	2316	};
2018		2317
2019	cfg_load;	2318	cfg_load;
2020	db_load;	2319	db_load;
2021	load_extensions;	2320	load_extensions;
		2321
		2322	$TICK_WATCHER->start;
2022	Event::loop;	2323	Event::loop;
2023	}	2324	}
2024		2325
2025	#############################################################################	2326	#############################################################################
2026	# initialisation	2327	# initialisation and cleanup
		2328
		2329	# install some emergency cleanup handlers
		2330	BEGIN {
		2331	for my $signal (qw(INT HUP TERM)) {
		2332	Event->signal (
		2333	reentrant => 0,
		2334	data => WF_AUTOCANCEL,
		2335	signal => $signal,
		2336	prio => 0,
		2337	cb => sub {
		2338	cf::cleanup "SIG$signal";
		2339	},
		2340	);
		2341	}
		2342	}
		2343
		2344	sub emergency_save() {
		2345	my $freeze_guard = cf::freeze_mainloop;
		2346
		2347	warn "enter emergency perl save\n";
		2348
		2349	cf::sync_job {
		2350	# use a peculiar iteration method to avoid tripping on perl
		2351	# refcount bugs in for. also avoids problems with players
		2352	# and maps saved/destroyed asynchronously.
		2353	warn "begin emergency player save\n";
		2354	for my $login (keys %cf::PLAYER) {
		2355	my $pl = $cf::PLAYER{$login} or next;
		2356	$pl->valid or next;
		2357	$pl->save;
		2358	}
		2359	warn "end emergency player save\n";
		2360
		2361	warn "begin emergency map save\n";
		2362	for my $path (keys %cf::MAP) {
		2363	my $map = $cf::MAP{$path} or next;
		2364	$map->valid or next;
		2365	$map->save;
		2366	}
		2367	warn "end emergency map save\n";
		2368	};
		2369
		2370	warn "leave emergency perl save\n";
		2371	}
2027		2372
2028	sub reload() {	2373	sub reload() {
2029	# can/must only be called in main	2374	# can/must only be called in main
2030	if ($Coro::current != $Coro::main) {	2375	if ($Coro::current != $Coro::main) {
2031	warn "can only reload from main coroutine\n";	2376	warn "can only reload from main coroutine";
2032	return;	2377	return;
2033	}	2378	}
2034		2379
2035	warn "reloading...";	2380	warn "reloading...";
2036		2381
2037	my $guard = freeze_mainloop;	2382	warn "cancelling server ticker";
		2383	$TICK_WATCHER->cancel;
		2384
2038	cf::emergency_save;	2385	cf::emergency_save;
2039		2386
2040	eval {	2387	eval {
2041	# if anything goes wrong in here, we should simply crash as we already saved	2388	# if anything goes wrong in here, we should simply crash as we already saved
2042		2389
2043	# cancel all watchers	2390	warn "syncing database to disk";
		2391	cf::db_sync;
		2392
		2393	warn "cancelling all WF_AUTOCANCEL watchers";
2044	for (Event::all_watchers) {	2394	for (Event::all_watchers) {
2045	$_->cancel if $_->data & WF_AUTOCANCEL;	2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2046	}	2396	}
2047		2397
		2398	warn "flushing outstanding aio requests";
		2399	for (;;) {
		2400	IO::AIO::flush;
		2401	Coro::cede;
		2402	last unless IO::AIO::nreqs;
		2403	warn "iterate...";
		2404	}
		2405
2048	# cancel all extension coros	2406	warn "cancelling all extension coros";
2049	$_->cancel for values %EXT_CORO;	2407	$_->cancel for values %EXT_CORO;
2050	%EXT_CORO = ();	2408	%EXT_CORO = ();
2051		2409
2052	# unload all extensions	2410	warn "removing commands";
2053	for (@exts) {	2411	%COMMAND = ();
		2412
		2413	warn "removing ext commands";
		2414	%EXTCMD = ();
		2415
		2416	warn "unloading/nuking all extensions";
		2417	for my $pkg (@EXTS) {
2054	warn "unloading <$_>";	2418	warn "... unloading $pkg";
2055	unload_extension $_;	2419
		2420	if (my $cb = $pkg->can ("unload")) {
		2421	eval {
		2422	$cb->($pkg);
		2423	1
		2424	} or warn "$pkg unloaded, but with errors: $@";
2056	}	2425	}
2057		2426
		2427	warn "... nuking $pkg";
		2428	Symbol::delete_package $pkg;
		2429	}
		2430
2058	# unload all modules loaded from $LIBDIR	2431	warn "unloading all perl modules loaded from $LIBDIR";
2059	while (my ($k, $v) = each %INC) {	2432	while (my ($k, $v) = each %INC) {
2060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2061		2434
2062	warn "removing <$k>";	2435	warn "... unloading $k";
2063	delete $INC{$k};	2436	delete $INC{$k};
2064		2437
2065	$k =~ s/\.pm$//;	2438	$k =~ s/\.pm$//;
2066	$k =~ s/\//::/g;	2439	$k =~ s/\//::/g;
2067		2440
…		…
2070	}	2443	}
2071		2444
2072	Symbol::delete_package $k;	2445	Symbol::delete_package $k;
2073	}	2446	}
2074		2447
2075	# sync database to disk
2076	cf::db_sync;
2077	IO::AIO::flush;
2078
2079	# get rid of safe::, as good as possible	2448	warn "getting rid of safe::, as good as possible";
2080	Symbol::delete_package "safe::$_"	2449	Symbol::delete_package "safe::$_"
2081	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2082		2451
2083	# remove register_script_function callbacks
2084	# TODO
2085
2086	# unload cf.pm "a bit"	2452	warn "unloading cf.pm \"a bit\"";
2087	delete $INC{"cf.pm"};	2453	delete $INC{"cf.pm"};
2088		2454
2089	# don't, removes xs symbols, too,	2455	# don't, removes xs symbols, too,
2090	# and global variables created in xs	2456	# and global variables created in xs
2091	#Symbol::delete_package __PACKAGE__;	2457	#Symbol::delete_package __PACKAGE__;
2092		2458
2093	# reload cf.pm	2459	warn "unload completed, starting to reload now";
		2460
2094	warn "reloading cf.pm";	2461	warn "reloading cf.pm";
2095	require cf;	2462	require cf;
2096	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2097		2464
2098	# load config and database again	2465	warn "loading config and database again";
2099	cf::cfg_load;	2466	cf::cfg_load;
2100	cf::db_load;	2467	cf::db_load;
2101		2468
2102	# load extensions
2103	warn "load extensions";	2469	warn "loading extensions";
2104	cf::load_extensions;	2470	cf::load_extensions;
2105		2471
2106	# reattach attachments to objects	2472	warn "reattaching attachments to objects/players";
2107	warn "reattach";
2108	_global_reattach;	2473	_global_reattach;
		2474	warn "reattaching attachments to maps";
		2475	reattach $_ for values %MAP;
		2476
		2477	warn "loading reloadable resources";
		2478	load_resources;
		2479
		2480	warn "restarting server ticker";
		2481
		2482	$TICK_WATCHER->start;
2109	};	2483	};
2110		2484
2111	if ($@) {	2485	if ($@) {
2112	warn $@;	2486	warn $@;
2113	warn "error while reloading, exiting.";	2487	warn "error while reloading, exiting.";
2114	exit 1;	2488	exit 1;
2115	}	2489	}
2116		2490
2117	warn "reloaded successfully";	2491	warn "reloaded";
2118	};	2492	};
2119		2493
2120	#############################################################################	2494	our $RELOAD_WATCHER; # used only during reload
2121
2122	unless ($LINK_MAP) {
2123	$LINK_MAP = cf::map::new;
2124
2125	$LINK_MAP->width (41);
2126	$LINK_MAP->height (41);
2127	$LINK_MAP->alloc;
2128	$LINK_MAP->path ("{link}");
2129	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2130	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2131
2132	# dirty hack because... archetypes are not yet loaded
2133	Event->timer (
2134	after => 2,
2135	cb => sub {
2136	$_[0]->w->cancel;
2137
2138	# provide some exits "home"
2139	my $exit = cf::object::new "exit";
2140
2141	$exit->slaying ($EMERGENCY_POSITION->[0]);
2142	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2143	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2144
2145	$LINK_MAP->insert ($exit->clone, 19, 19);
2146	$LINK_MAP->insert ($exit->clone, 19, 20);
2147	$LINK_MAP->insert ($exit->clone, 19, 21);
2148	$LINK_MAP->insert ($exit->clone, 20, 19);
2149	$LINK_MAP->insert ($exit->clone, 20, 21);
2150	$LINK_MAP->insert ($exit->clone, 21, 19);
2151	$LINK_MAP->insert ($exit->clone, 21, 20);
2152	$LINK_MAP->insert ($exit->clone, 21, 21);
2153
2154	$exit->destroy;
2155	});
2156
2157	$LINK_MAP->{deny_save} = 1;
2158	$LINK_MAP->{deny_reset} = 1;
2159
2160	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2161	}
2162
2163	register "<global>", __PACKAGE__;
2164		2495
2165	register_command "reload" => sub {	2496	register_command "reload" => sub {
2166	my ($who, $arg) = @_;	2497	my ($who, $arg) = @_;
2167		2498
2168	if ($who->flag (FLAG_WIZ)) {	2499	if ($who->flag (FLAG_WIZ)) {
2169	$who->message ("start of reload.");	2500	$who->message ("reloading server.");
		2501
		2502	# doing reload synchronously and two reloads happen back-to-back,
		2503	# coro crashes during coro_state_free->destroy here.
		2504
		2505	$RELOAD_WATCHER ||= Event->timer (
		2506	reentrant => 0,
		2507	after => 0,
		2508	data => WF_AUTOCANCEL,
		2509	cb => sub {
2170	reload;	2510	reload;
2171	$who->message ("end of reload.");	2511	undef $RELOAD_WATCHER;
		2512	},
		2513	);
2172	}	2514	}
2173	};	2515	};
2174		2516
2175	unshift @INC, $LIBDIR;	2517	unshift @INC, $LIBDIR;
		2518
		2519	my $bug_warning = 0;
2176		2520
2177	$TICK_WATCHER = Event->timer (	2521	$TICK_WATCHER = Event->timer (
2178	reentrant => 0,	2522	reentrant => 0,
		2523	parked => 1,
2179	prio => 0,	2524	prio => 0,
2180	at => $NEXT_TICK || $TICK,	2525	at => $NEXT_TICK || $TICK,
2181	data => WF_AUTOCANCEL,	2526	data => WF_AUTOCANCEL,
2182	cb => sub {	2527	cb => sub {
		2528	if ($Coro::current != $Coro::main) {
		2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2530	unless ++$bug_warning > 10;
		2531	return;
		2532	}
		2533
		2534	$NOW = Event::time;
		2535
2183	cf::server_tick; # one server iteration	2536	cf::server_tick; # one server iteration
2184	$RUNTIME += $TICK;	2537	$RUNTIME += $TICK;
2185	$NEXT_TICK += $TICK;	2538	$NEXT_TICK += $TICK;
		2539
		2540	$WAIT_FOR_TICK->broadcast;
		2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2542
		2543	Event::sweep;
		2544	Coro::cede_notself;
		2545
		2546	# my $AFTER = Event::time;
		2547	# warn $AFTER - $NOW;#d#
2186		2548
2187	# if we are delayed by four ticks or more, skip them all	2549	# if we are delayed by four ticks or more, skip them all
2188	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2189		2551
2190	$TICK_WATCHER->at ($NEXT_TICK);	2552	$TICK_WATCHER->at ($NEXT_TICK);
2191	$TICK_WATCHER->start;	2553	$TICK_WATCHER->start;
2192	},	2554	},
2193	);	2555	);
2194		2556
2195	IO::AIO::max_poll_time $TICK * 0.2;	2557	IO::AIO::max_poll_time $TICK * 0.1;
2196		2558
2197	Event->io (	2559	undef $Coro::AIO::WATCHER;
		2560	$AIO_POLL_WATCHER = Event->io (
		2561	reentrant => 0,
2198	fd => IO::AIO::poll_fileno,	2562	fd => IO::AIO::poll_fileno,
2199	poll => 'r',	2563	poll => 'r',
2200	prio => 5,	2564	prio => 6,
2201	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2202	cb => \&IO::AIO::poll_cb,	2566	cb => \&IO::AIO::poll_cb,
2203	);	2567	);
2204		2568
2205	Event->timer (	2569	$WRITE_RUNTIME_WATCHER = Event->timer (
		2570	reentrant => 0,
2206	data => WF_AUTOCANCEL,	2571	data => WF_AUTOCANCEL,
2207	after => 0,	2572	after => 1,
2208	interval => 10,	2573	interval => 10,
2209	cb => sub {	2574	prio => 6, # keep it lowest so it acts like a watchdog
2210	(Coro::unblock_sub {	2575	cb => Coro::unblock_sub {
2211	write_runtime	2576	write_runtime
2212	or warn "ERROR: unable to write runtime file: $!";	2577	or warn "ERROR: unable to write runtime file: $!";
2213	})->();
2214	},	2578	},
2215	);	2579	);
2216		2580
2217	END { cf::emergency_save }	2581	END { cf::emergency_save }
2218		2582

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