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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.138 by root, Fri Jan 5 17:07:17 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
…		…
224	}	262	}
225		263
226	sub freeze_mainloop {	264	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	265	return unless $TICK_WATCHER->is_active;
228		266
229	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;
230	$TICK_WATCHER->stop;	272	$TICK_WATCHER->stop;
231	$guard	273	$guard
232	}	274	}
		275
		276	=item cf::async { BLOCK }
		277
		278	Currently the same as Coro::async_pool, meaning you cannot use
		279	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		280	thing you are allowed to do is call C<prio> on it.
		281
		282	=cut
		283
		284	BEGIN { *async = \&Coro::async_pool }
233		285
234	=item cf::sync_job { BLOCK }	286	=item cf::sync_job { BLOCK }
235		287
236	The design of crossfire+ requires that the main coro ($Coro::main) is	288	The design of crossfire+ requires that the main coro ($Coro::main) is
237	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
…		…
256	my $freeze_guard = freeze_mainloop;	308	my $freeze_guard = freeze_mainloop;
257		309
258	my $busy = 1;	310	my $busy = 1;
259	my @res;	311	my @res;
260		312
261	(Coro::async_pool {	313	(async {
262	@res = eval { $job->() };	314	@res = eval { $job->() };
263	warn $@ if $@;	315	warn $@ if $@;
264	undef $busy;	316	undef $busy;
265	})->prio (Coro::PRIO_MAX);	317	})->prio (Coro::PRIO_MAX);
266		318
267	while ($busy) {	319	while ($busy) {
268	Coro::cede_notself;	320	Coro::cede or Event::one_event;
269	Event::one_event unless Coro::nready;
270	}	321	}
271		322
272	wantarray ? @res : $res[0]	323	wantarray ? @res : $res[0]
273	} else {	324	} else {
274	# we are in another coroutine, how wonderful, everything just works	325	# we are in another coroutine, how wonderful, everything just works
275		326
276	$job->()	327	$job->()
277	}	328	}
278	}	329	}
279		330
280	=item $coro = cf::coro { BLOCK }	331	=item $coro = cf::async_ext { BLOCK }
281		332
282	Creates (and readies) and returns a new coro. This coro is automcatially	333	Like async, but this coro is automatically being canceled when the
283	being canceled when the extension calling this is being unloaded.	334	extension calling this is being unloaded.
284		335
285	=cut	336	=cut
286		337
287	sub coro(&) {	338	sub async_ext(&) {
288	my $cb = shift;	339	my $cb = shift;
289		340
290	my $coro = &Coro::async_pool ($cb);	341	my $coro = &Coro::async ($cb);
291		342
292	$coro->on_destroy (sub {	343	$coro->on_destroy (sub {
293	delete $EXT_CORO{$coro+0};	344	delete $EXT_CORO{$coro+0};
294	});	345	});
295	$EXT_CORO{$coro+0} = $coro;	346	$EXT_CORO{$coro+0} = $coro;
…		…
301	my $runtime = cf::localdir . "/runtime";	352	my $runtime = cf::localdir . "/runtime";
302		353
303	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
304	or return;	355	or return;
305		356
		357	my $value = $cf::RUNTIME + 90 + 10;
306	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
307	(aio_write $fh, 0, (length $value), $value, 0) <= 0	361	(aio_write $fh, 0, (length $value), $value, 0) <= 0
308	and return;	362	and return;
309		363
		364	# always fsync - this file is important
310	aio_fsync $fh	365	aio_fsync $fh
311	and return;	366	and return;
312		367
313	close $fh	368	close $fh
314	or return;	369	or return;
…		…
320	}	375	}
321		376
322	=back	377	=back
323		378
324	=cut	379	=cut
325
326	#############################################################################
327
328	package cf::path;
329
330	sub new {
331	my ($class, $path, $base) = @_;
332
333	$path = $path->as_string if ref $path;
334
335	my $self = bless { }, $class;
336
337	# {... are special paths that are not touched
338	# ?xxx/... are special absolute paths
339	# ?random/... random maps
340	# /! non-realised random map exit
341	# /... normal maps
342	# ~/... per-player maps without a specific player (DO NOT USE)
343	# ~user/... per-player map of a specific user
344
345	if ($path =~ /^{/) {
346	# fine as it is
347	} elsif ($path =~ s{^\?random/}{}) {
348	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
349	$self->{random} = cf::from_json $data;
350	} else {
351	if ($path =~ s{^~([^/]+)?}{}) {
352	$self->{user_rel} = 1;
353
354	if (defined $1) {
355	$self->{user} = $1;
356	} elsif ($base =~ m{^~([^/]+)/}) {
357	$self->{user} = $1;
358	} else {
359	warn "cannot resolve user-relative path without user <$path,$base>\n";
360	}
361	} elsif ($path =~ /^\//) {
362	# already absolute
363	} else {
364	$base =~ s{[^/]+/?$}{};
365	return $class->new ("$base/$path");
366	}
367
368	for ($path) {
369	redo if s{/\.?/}{/};
370	redo if s{/[^/]+/\.\./}{/};
371	}
372	}
373
374	$self->{path} = $path;
375
376	$self
377	}
378
379	# the name / primary key / in-game path
380	sub as_string {
381	my ($self) = @_;
382
383	$self->{user_rel} ? "~$self->{user}$self->{path}"
384	: $self->{random} ? "?random/$self->{path}"
385	: $self->{path}
386	}
387
388	# the displayed name, this is a one way mapping
389	sub visible_name {
390	my ($self) = @_;
391
392	# if (my $rmp = $self->{random}) {
393	# # todo: be more intelligent about this
394	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
395	# } else {
396	$self->as_string
397	# }
398	}
399
400	# escape the /'s in the path
401	sub _escaped_path {
402	# ∕ is U+2215
403	(my $path = $_[0]{path}) =~ s/\//∕/g;
404	$path
405	}
406
407	# the original (read-only) location
408	sub load_path {
409	my ($self) = @_;
410
411	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
412	}
413
414	# the temporary/swap location
415	sub save_path {
416	my ($self) = @_;
417
418	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
419	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
420	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
421	}
422
423	# the unique path, might be eq to save_path
424	sub uniq_path {
425	my ($self) = @_;
426
427	$self->{user_rel} || $self->{random}
428	? undef
429	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
430	}
431
432	# return random map parameters, or undef
433	sub random_map_params {
434	my ($self) = @_;
435
436	$self->{random}
437	}
438
439	# this is somewhat ugly, but style maps do need special treatment
440	sub is_style_map {
441	$_[0]{path} =~ m{^/styles/}
442	}
443
444	package cf;
445		380
446	#############################################################################	381	#############################################################################
447		382
448	=head2 ATTACHABLE OBJECTS	383	=head2 ATTACHABLE OBJECTS
449		384
…		…
575	our @CB_TYPE = (); # registry for type (cf-object class) based events	510	our @CB_TYPE = (); # registry for type (cf-object class) based events
576	our @CB_MAP = ();	511	our @CB_MAP = ();
577		512
578	my %attachment;	513	my %attachment;
579		514
		515	sub cf::attachable::thawer_merge {
		516	# simply override everything except _meta
		517	local $_[0]{_meta};
		518	%{$_[0]} = %{$_[1]};
		519	}
		520
580	sub _attach_cb($$$$) {	521	sub _attach_cb($$$$) {
581	my ($registry, $event, $prio, $cb) = @_;	522	my ($registry, $event, $prio, $cb) = @_;
582		523
583	use sort 'stable';	524	use sort 'stable';
584		525
…		…
755	# object support	696	# object support
756		697
757	sub reattach {	698	sub reattach {
758	# basically do the same as instantiate, without calling instantiate	699	# basically do the same as instantiate, without calling instantiate
759	my ($obj) = @_;	700	my ($obj) = @_;
		701
		702	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760		703
761	my $registry = $obj->registry;	704	my $registry = $obj->registry;
762		705
763	@$registry = ();	706	@$registry = ();
764		707
…		…
811	$filename, length $$rdata, scalar @$objs;	754	$filename, length $$rdata, scalar @$objs;
812		755
813	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
814	chmod SAVE_MODE, $fh;	757	chmod SAVE_MODE, $fh;
815	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
816	aio_fsync $fh;	759	aio_fsync $fh if $cf::USE_FSYNC;
817	close $fh;	760	close $fh;
818		761
819	if (@$objs) {	762	if (@$objs) {
820	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) {
821	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
822	my $data = Storable::nfreeze { version => 1, objs => $objs };	765	my $data = Storable::nfreeze { version => 1, objs => $objs };
823	aio_write $fh, 0, (length $data), $data, 0;	766	aio_write $fh, 0, (length $data), $data, 0;
824	aio_fsync $fh;	767	aio_fsync $fh if $cf::USE_FSYNC;
825	close $fh;	768	close $fh;
826	aio_rename "$filename.pst~", "$filename.pst";	769	aio_rename "$filename.pst~", "$filename.pst";
827	}	770	}
828	} else {	771	} else {
829	aio_unlink "$filename.pst";	772	aio_unlink "$filename.pst";
…		…
835	}	778	}
836	} else {	779	} else {
837	aio_unlink $filename;	780	aio_unlink $filename;
838	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
839	}	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	}
840	}	789	}
841	}	790	}
842		791
843	sub object_freezer_as_string {	792	sub object_freezer_as_string {
844	my ($rdata, $objs) = @_;	793	my ($rdata, $objs) = @_;
…		…
850		799
851	sub object_thawer_load {	800	sub object_thawer_load {
852	my ($filename) = @_;	801	my ($filename) = @_;
853		802
854	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$//;
855		807
856	(aio_load $filename, $data) >= 0	808	(aio_load $filename, $data) >= 0
857	or return;	809	or return;
858		810
859	unless (aio_stat "$filename.pst") {	811	unless (aio_stat "$filename.pst") {
…		…
896	=cut	848	=cut
897		849
898	sub register_extcmd {	850	sub register_extcmd {
899	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
900		852
901	my $caller = caller;
902	#warn "registering extcmd '$name' to '$caller'";
903
904	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
905	}	854	}
906		855
907	cf::player->attach (	856	cf::player->attach (
908	on_command => sub {	857	on_command => sub {
909	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
922		871
923	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
924		873
925	if (ref $msg) {	874	if (ref $msg) {
926	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
927	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
928	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
929	}	878	}
930	}	879	}
931	} else {	880	} else {
932	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
934		883
935	cf::override;	884	cf::override;
936	},	885	},
937	);	886	);
938		887
939	sub register {
940	my ($base, $pkg) = @_;
941
942	#TODO
943	}
944
945	sub load_extension {	888	sub load_extension {
946	my ($path) = @_;	889	my ($path) = @_;
947		890
948	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
949	my $base = $1;	892	my $base = $1;
950	my $pkg = $1;	893	my $pkg = $1;
951	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
952	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
953		896
954	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
955		898
956	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
957	or die "$path: $!";	900	or die "$path: $!";
958		901
959	my $source =	902	my $source =
960	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
961	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
962	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
963	. "\n};\n1";	906	. "\n};\n1";
964		907
965	eval $source	908	unless (eval $source) {
966	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
967	: "extension disabled.\n";	910	: "extension disabled.\n";
968		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
969	push @exts, $pkg;	912	warn $@;
970	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
971		914	exit 1;
972	# no strict 'refs';	915	}
973	# @{"$pkg\::ISA"} = ext::;	916	die $@;
974
975	register $base, $pkg;
976	}
977
978	sub unload_extension {
979	my ($pkg) = @_;
980
981	warn "removing extension $pkg\n";
982
983	# remove hooks
984	#TODO
985	# for my $idx (0 .. $#PLUGIN_EVENT) {
986	# delete $hook[$idx]{$pkg};
987	# }	917	}
988		918
989	# remove commands	919	push @EXTS, $pkg;
990	for my $name (keys %COMMAND) {
991	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
992
993	if (@cb) {
994	$COMMAND{$name} = \@cb;
995	} else {
996	delete $COMMAND{$name};
997	}
998	}
999
1000	# remove extcmds
1001	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1002	delete $EXTCMD{$name};
1003	}
1004
1005	if (my $cb = $pkg->can ("unload")) {
1006	eval {
1007	$cb->($pkg);
1008	1
1009	} or warn "$pkg unloaded, but with errors: $@";
1010	}
1011
1012	Symbol::delete_package $pkg;
1013	}	920	}
1014		921
1015	sub load_extensions {	922	sub load_extensions {
1016	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1017	next unless -r $ext;	924	next unless -r $ext;
…		…
1021	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1022	}	929	}
1023	}	930	}
1024		931
1025	#############################################################################	932	#############################################################################
1026	# load/save/clean perl data associated with a map
1027
1028	*cf::mapsupport::on_clean = sub {
1029	my ($map) = @_;
1030
1031	my $path = $map->tmpname;
1032	defined $path or return;
1033
1034	unlink "$path.pst";
1035	};
1036
1037	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1038
1039	#############################################################################
1040	# load/save perl data associated with player->ob objects
1041
1042	sub all_objects(@) {
1043	@_, map all_objects ($_->inv), @_
1044	}
1045
1046	# TODO: compatibility cruft, remove when no longer needed
1047	cf::player->attach (
1048	on_load => sub {
1049	my ($pl, $path) = @_;
1050
1051	for my $o (all_objects $pl->ob) {
1052	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1053	$o->set_ob_key_value ("_perl_data");
1054
1055	%$o = %{ Storable::thaw pack "H*", $value };
1056	}
1057	}
1058	},
1059	);
1060
1061	#############################################################################
1062		933
1063	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1064		935
1065	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1066		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1067	=head3 cf::player	944	=head3 cf::player
1068		945
1069	=over 4	946	=over 4
1070		947
1071	=item cf::player::exists $login	948	=item cf::player::find $login
1072		949
1073	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1074		951
1075	=cut	952	=cut
1076		953
1077	sub cf::player::exists($) {	954	sub playerdir($) {
1078	cf::player::find $_[0]	955	cf::localdir
1079	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
1080	}	1102	}
1081		1103
1082	=item $player->ext_reply ($msgid, $msgtype, %msg)	1104	=item $player->ext_reply ($msgid, $msgtype, %msg)
1083		1105
1084	Sends an ext reply to the player.	1106	Sends an ext reply to the player.
1085		1107
1086	=cut	1108	=cut
1087		1109
1088	sub cf::player::ext_reply($$$%) {	1110	sub ext_reply($$$%) {
1089	my ($self, $id, %msg) = @_;	1111	my ($self, $id, %msg) = @_;
1090		1112
1091	$msg{msgid} = $id;	1113	$msg{msgid} = $id;
1092		1114
1093	$self->send ("ext " . to_json \%msg);	1115	$self->send ("ext " . cf::to_json \%msg);
1094	}	1116	}
		1117
		1118	package cf;
1095		1119
1096	=back	1120	=back
1097		1121
1098		1122
1099	=head3 cf::map	1123	=head3 cf::map
…		…
1105	package cf::map;	1129	package cf::map;
1106		1130
1107	use Fcntl;	1131	use Fcntl;
1108	use Coro::AIO;	1132	use Coro::AIO;
1109		1133
		1134	use overload
		1135	'""' => \&as_string,
		1136	fallback => 1;
		1137
1110	our $MAX_RESET = 3600;	1138	our $MAX_RESET = 3600;
1111	our $DEFAULT_RESET = 3000;	1139	our $DEFAULT_RESET = 3000;
1112		1140
1113	sub generate_random_map {	1141	sub generate_random_map {
1114	my ($path, $rmp) = @_;	1142	my ($self, $rmp) = @_;
1115
1116	# mit "rum" bekleckern, nicht	1143	# mit "rum" bekleckern, nicht
1117	cf::map::_create_random_map	1144	$self->_create_random_map (
1118	$path,
1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122	$rmp->{exit_on_final_map},	1148	$rmp->{exit_on_final_map},
1123	$rmp->{xsize}, $rmp->{ysize},	1149	$rmp->{xsize}, $rmp->{ysize},
1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1152	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127	$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},
1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1154	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129	(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
1130	}	1286	}
1131		1287
1132	# and all this just because we cannot iterate over	1288	# and all this just because we cannot iterate over
1133	# all maps in C++...	1289	# all maps in C++...
1134	sub change_all_map_light {	1290	sub change_all_map_light {
…		…
1136		1292
1137	$_->change_map_light ($change)	1293	$_->change_map_light ($change)
1138	for grep $_->outdoor, values %cf::MAP;	1294	for grep $_->outdoor, values %cf::MAP;
1139	}	1295	}
1140		1296
		1297	sub unlink_save {
		1298	my ($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
1141	sub try_load_header($) {	1310	sub load_header_from($) {
1142	my ($path) = @_;	1311	my ($self, $path) = @_;
1143		1312
1144	utf8::encode $path;	1313	utf8::encode $path;
1145	aio_open $path, O_RDONLY, 0	1314	#aio_open $path, O_RDONLY, 0
		1315	# or return;
		1316
		1317	$self->_load_header ($path)
1146	or return;	1318	or return;
1147		1319
1148	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
1149	or return;	1363	or return;
		1364	$self->prepare_orig;
		1365	}
1150		1366
1151	# for better error messages only, will be overwritten	1367	1
1152	$map->path ($path);
1153
1154	$map->load_header ($path)
1155	or return;
1156
1157	$map->{load_path} = $path;
1158
1159	$map
1160	}	1368	}
1161		1369
1162	sub find;	1370	sub find;
1163	sub find {	1371	sub find {
1164	my ($path, $origin) = @_;	1372	my ($path, $origin) = @_;
1165		1373
1166	#warn "find<$path,$origin>\n";#d#
1167
1168	$path = new cf::path $path, $origin && $origin->path;	1374	$path = normalise $path, $origin && $origin->path;
1169	my $key = $path->as_string;
1170		1375
1171	cf::lock_wait "map_find:$key";	1376	cf::lock_wait "map_find:$path";
1172		1377
1173	$cf::MAP{$key} || do {	1378	$cf::MAP{$path} || do {
1174	my $guard = cf::lock_acquire "map_find:$key";	1379	my $guard = cf::lock_acquire "map_find:$path";
1175		1380	my $map = new_from_path cf::map $path
1176	# do it the slow way
1177	my $map = try_load_header $path->save_path;
1178
1179	Coro::cede;
1180
1181	if ($map) {
1182	$map->last_access ((delete $map->{last_access})
1183	|| $cf::RUNTIME); #d#
1184	# safety
1185	$map->{instantiate_time} = $cf::RUNTIME
1186	if $map->{instantiate_time} > $cf::RUNTIME;
1187	} else {
1188	if (my $rmp = $path->random_map_params) {
1189	$map = generate_random_map $key, $rmp;
1190	} else {
1191	$map = try_load_header $path->load_path;
1192	}
1193
1194	$map or return;	1381	or return;
1195		1382
1196	$map->{load_original} = 1;
1197	$map->{instantiate_time} = $cf::RUNTIME;
1198	$map->last_access ($cf::RUNTIME);
1199	$map->instantiate;
1200
1201	# per-player maps become, after loading, normal maps
1202	$map->per_player (0) if $path->{user_rel};
1203	}
1204
1205	$map->path ($key);
1206	$map->{path} = $path;
1207	$map->{last_save} = $cf::RUNTIME;	1383	$map->{last_save} = $cf::RUNTIME;
1208		1384
1209	Coro::cede;	1385	$map->load_header
		1386	or return;
1210		1387
1211	if ($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;
1212	$map->reset;	1391	$map->reset;
1213	undef $guard;	1392	undef $guard;
1214	$map = find $path	1393	return find $path;
1215	or return;
1216	}	1394	}
1217		1395
1218	$cf::MAP{$key} = $map	1396	$cf::MAP{$path} = $map
1219	}	1397	}
1220	}	1398	}
		1399
		1400	sub pre_load { }
		1401	sub post_load { }
1221		1402
1222	sub load {	1403	sub load {
1223	my ($self) = @_;	1404	my ($self) = @_;
1224		1405
		1406	local $self->{deny_reset} = 1; # loading can take a long time
		1407
1225	my $path = $self->{path};	1408	my $path = $self->{path};
1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1409	my $guard = cf::lock_acquire "map_load:$path";
1227		1410
1228	return if $self->in_memory != cf::MAP_SWAPPED;	1411	return if $self->in_memory != cf::MAP_SWAPPED;
1229		1412
1230	$self->in_memory (cf::MAP_LOADING);	1413	$self->in_memory (cf::MAP_LOADING);
1231		1414
1232	$self->alloc;	1415	$self->alloc;
		1416
		1417	$self->pre_load;
		1418
1233	$self->load_objects ($self->{load_path}, 1)	1419	$self->_load_objects ($self->{load_path}, 1)
1234	or return;	1420	or return;
1235		1421
1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237	if delete $self->{load_original};	1423	if delete $self->{load_original};
1238		1424
1239	if (my $uniq = $path->uniq_path) {	1425	if (my $uniq = $self->uniq_path) {
1240	utf8::encode $uniq;	1426	utf8::encode $uniq;
1241	if (aio_open $uniq, O_RDONLY, 0) {	1427	if (aio_open $uniq, O_RDONLY, 0) {
1242	$self->clear_unique_items;	1428	$self->clear_unique_items;
1243	$self->load_objects ($uniq, 0);	1429	$self->_load_objects ($uniq, 0);
1244	}	1430	}
1245	}	1431	}
1246		1432
1247	Coro::cede;	1433	Coro::cede;
1248		1434
1249	# now do the right thing for maps	1435	# now do the right thing for maps
1250	$self->link_multipart_objects;	1436	$self->link_multipart_objects;
1251		1437
1252	if ($self->{path}->is_style_map) {	1438	unless ($self->{deny_activate}) {
1253	$self->{deny_save} = 1;	1439	$self->decay_objects;
1254	$self->{deny_reset} = 1;
1255	} else {
1256	$self->fix_auto_apply;	1440	$self->fix_auto_apply;
1257	$self->decay_objects;
1258	$self->update_buttons;	1441	$self->update_buttons;
		1442	Coro::cede;
1259	$self->set_darkness_map;	1443	$self->set_darkness_map;
1260	$self->difficulty ($self->estimate_difficulty)	1444	$self->difficulty ($self->estimate_difficulty)
1261	unless $self->difficulty;	1445	unless $self->difficulty;
		1446	Coro::cede;
1262	$self->activate;	1447	$self->activate;
1263	}	1448	}
1264		1449
1265	Coro::cede;	1450	$self->post_load;
1266		1451
1267	$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	$neigh->load;
		1485	}
1268	}	1486	}
1269		1487
1270	sub find_sync {	1488	sub find_sync {
1271	my ($path, $origin) = @_;	1489	my ($path, $origin) = @_;
1272		1490
1273	cf::sync_job { cf::map::find $path, $origin }	1491	cf::sync_job { find $path, $origin }
1274	}	1492	}
1275		1493
1276	sub do_load_sync {	1494	sub do_load_sync {
1277	my ($map) = @_;	1495	my ($map) = @_;
1278		1496
1279	cf::sync_job { $map->load };	1497	cf::sync_job { $map->load };
1280	}	1498	}
1281		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	$MAP_PREFETCHER->prio (6);
		1526
		1527	()
		1528	}
		1529
1282	sub save {	1530	sub save {
1283	my ($self) = @_;	1531	my ($self) = @_;
1284		1532
1285	my $lock = cf::lock_acquire "map_data:" . $self->path;	1533	my $lock = cf::lock_acquire "map_data:" . $self->path;
1286		1534
1287	$self->{last_save} = $cf::RUNTIME;	1535	$self->{last_save} = $cf::RUNTIME;
1288		1536
1289	return unless $self->dirty;	1537	return unless $self->dirty;
1290		1538
1291	my $save = $self->{path}->save_path; utf8::encode $save;	1539	my $save = $self->save_path; utf8::encode $save;
1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1540	my $uniq = $self->uniq_path; utf8::encode $uniq;
1293		1541
1294	$self->{load_path} = $save;	1542	$self->{load_path} = $save;
1295		1543
1296	return if $self->{deny_save};	1544	return if $self->{deny_save};
1297		1545
1298	local $self->{last_access} = $self->last_access;#d#	1546	local $self->{last_access} = $self->last_access;#d#
1299		1547
		1548	cf::async {
		1549	$_->contr->save for $self->players;
		1550	};
		1551
1300	if ($uniq) {	1552	if ($uniq) {
1301	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302	$self->save_objects ($uniq, cf::IO_UNIQUES);	1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1303	} else {	1555	} else {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1305	}	1557	}
1306	}	1558	}
1307		1559
1308	sub swap_out {	1560	sub swap_out {
1309	my ($self) = @_;	1561	my ($self) = @_;
…		…
1323		1575
1324	sub reset_at {	1576	sub reset_at {
1325	my ($self) = @_;	1577	my ($self) = @_;
1326		1578
1327	# TODO: safety, remove and allow resettable per-player maps	1579	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1581	return 1e99 if $self->{deny_reset};
1330		1582
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1585
…		…
1338	my ($self) = @_;	1590	my ($self) = @_;
1339		1591
1340	$self->reset_at <= $cf::RUNTIME	1592	$self->reset_at <= $cf::RUNTIME
1341	}	1593	}
1342		1594
1343	sub unlink_save {
1344	my ($self) = @_;
1345
1346	utf8::encode (my $save = $self->{path}->save_path);
1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349	}
1350
1351	sub rename {
1352	my ($self, $new_path) = @_;
1353
1354	$self->unlink_save;
1355
1356	delete $cf::MAP{$self->path};
1357	$self->{path} = new cf::path $new_path;
1358	$self->path ($self->{path}->as_string);
1359	$cf::MAP{$self->path} = $self;
1360
1361	$self->save;
1362	}
1363
1364	sub reset {	1595	sub reset {
1365	my ($self) = @_;	1596	my ($self) = @_;
1366		1597
1367	my $lock = cf::lock_acquire "map_data:" . $self->path;	1598	my $lock = cf::lock_acquire "map_data:$self->{path}";
1368		1599
1369	return if $self->players;	1600	return if $self->players;
1370	return if $self->{path}{user_rel};#d#	1601	return if $self->isa ("ext::map_per_player");#d#
1371		1602
1372	warn "resetting map ", $self->path;#d#	1603	warn "resetting map ", $self->path;#d#
1373		1604
1374	delete $cf::MAP{$self->path};	1605	delete $cf::MAP{$self->path};
		1606
		1607	$self->in_memory (cf::MAP_SWAPPED);
		1608	$self->clear;
1375		1609
1376	$_->clear_links_to ($self) for values %cf::MAP;	1610	$_->clear_links_to ($self) for values %cf::MAP;
1377		1611
1378	$self->unlink_save;	1612	$self->unlink_save;
1379	$self->destroy;	1613	$self->destroy;
…		…
1382	my $nuke_counter = "aaaa";	1616	my $nuke_counter = "aaaa";
1383		1617
1384	sub nuke {	1618	sub nuke {
1385	my ($self) = @_;	1619	my ($self) = @_;
1386		1620
		1621	delete $cf::MAP{$self->path};
		1622
		1623	$self->unlink_save;
		1624
		1625	bless $self, "cf::map";
		1626	delete $self->{deny_reset};
1387	$self->{deny_save} = 1;	1627	$self->{deny_save} = 1;
1388	$self->reset_timeout (1);	1628	$self->reset_timeout (1);
1389	$self->rename ("{nuke}/" . ($nuke_counter++));	1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1630
		1631	$cf::MAP{$self->path} = $self;
		1632
1390	$self->reset; # polite request, might not happen	1633	$self->reset; # polite request, might not happen
1391	}	1634	}
1392		1635
1393	sub customise_for {	1636	=item cf::map::unique_maps
1394	my ($map, $ob) = @_;
1395		1637
1396	if ($map->per_player) {	1638	Returns an arrayref of paths of all shared maps that have
1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1639	instantiated unique items. May block.
1398	}
1399		1640
1400	$map	1641	=cut
1401	}
1402		1642
1403	sub emergency_save {	1643	sub unique_maps() {
1404	my $freeze_guard = cf::freeze_mainloop;	1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1645	or return;
1405		1646
1406	warn "enter emergency map save\n";	1647	my @paths;
1407		1648
1408	cf::sync_job {	1649	for (@$files) {
1409	warn "begin emergency map save\n";	1650	utf8::decode $_;
1410	$_->save for values %cf::MAP;	1651	next if /\.pst$/;
		1652	next unless /^$PATH_SEP/o;
		1653
		1654	push @paths, cf::map::normalise $_;
1411	};	1655	}
1412		1656
1413	warn "end emergency map save\n";	1657	\@paths
1414	}	1658	}
1415		1659
1416	package cf;	1660	package cf;
1417		1661
1418	=back	1662	=back
1419		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
1420		1690
1421	=head3 cf::object::player	1691	=head3 cf::object::player
1422		1692
1423	=over 4	1693	=over 4
1424		1694
…		…
1464		1734
1465	=item $player_object->enter_link	1735	=item $player_object->enter_link
1466		1736
1467	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}>).
1468		1738
1469	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
1470	I<MUST> call C<leave_link> as soon as possible, though.	1740	I<MUST> call C<leave_link> as soon as possible, though.
1471		1741
		1742	Will never block.
		1743
1472	=item $player_object->leave_link ($map, $x, $y)	1744	=item $player_object->leave_link ($map, $x, $y)
1473		1745
1474	Moves the player out of the specila link map onto the given map. If the	1746	Moves the player out of the special C<{link}> map onto the specified
1475	map is not valid (or omitted), the player will be moved back to the	1747	map. If the map is not valid (or omitted), the player will be moved back
1476	location he/she was before the call to C<enter_link>, or, if that fails,	1748	to the location he/she was before the call to C<enter_link>, or, if that
1477	to the emergency map position.	1749	fails, to the emergency map position.
1478		1750
1479	Might block.	1751	Might block.
1480		1752
1481	=cut	1753	=cut
		1754
		1755	sub link_map {
		1756	unless ($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	$LINK_MAP
		1763	}
1482		1764
1483	sub cf::object::player::enter_link {	1765	sub cf::object::player::enter_link {
1484	my ($self) = @_;	1766	my ($self) = @_;
1485		1767
1486	$self->deactivate_recursive;	1768	$self->deactivate_recursive;
1487		1769
1488	return if $self->map == $LINK_MAP;	1770	return if UNIVERSAL::isa $self->map, "ext::map_link";
1489		1771
1490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491	if $self->map;	1773	if $self->map;
1492		1774
1493	$self->enter_map ($LINK_MAP, 20, 20);	1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1494	}	1776	}
1495		1777
1496	sub cf::object::player::leave_link {	1778	sub cf::object::player::leave_link {
1497	my ($self, $map, $x, $y) = @_;	1779	my ($self, $map, $x, $y) = @_;
1498		1780
…		…
1516	# use -1 or undef as default coordinates, not 0, 0	1798	# use -1 or undef as default coordinates, not 0, 0
1517	($x, $y) = ($map->enter_x, $map->enter_y)	1799	($x, $y) = ($map->enter_x, $map->enter_y)
1518	if $x <=0 && $y <= 0;	1800	if $x <=0 && $y <= 0;
1519		1801
1520	$map->load;	1802	$map->load;
		1803	$map->load_diag;
1521		1804
		1805	return unless $self->contr->active;
1522	$self->activate_recursive;	1806	$self->activate_recursive;
1523	$self->enter_map ($map, $x, $y);	1807	$self->enter_map ($map, $x, $y);
1524	}	1808	}
1525		1809
1526	cf::player->attach (	1810	cf::player->attach (
…		…
1539		1823
1540	# try to abort aborted map switching on player login :)	1824	# try to abort aborted map switching on player login :)
1541	# should happen only on crashes	1825	# should happen only on crashes
1542	if ($pl->ob->{_link_pos}) {	1826	if ($pl->ob->{_link_pos}) {
1543	$pl->ob->enter_link;	1827	$pl->ob->enter_link;
1544	Coro::async_pool {	1828	(async {
1545	# 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
1546	# 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);
1547	Coro::Timer::sleep 1;	1835	Coro::Timer::sleep 1;
1548	$pl->ob->leave_link;	1836	$pl->ob->leave_link;
1549	};	1837	})->prio (2);
1550	}	1838	}
1551	},	1839	},
1552	);	1840	);
1553		1841
1554	=item $player_object->goto ($path, $x, $y)	1842	=item $player_object->goto ($path, $x, $y)
…		…
1558	sub cf::object::player::goto {	1846	sub cf::object::player::goto {
1559	my ($self, $path, $x, $y) = @_;	1847	my ($self, $path, $x, $y) = @_;
1560		1848
1561	$self->enter_link;	1849	$self->enter_link;
1562		1850
1563	(Coro::async_pool {	1851	(async {
1564	$path = new cf::path $path;	1852	my $map = eval {
1565
1566	my $map = cf::map::find $path->as_string;	1853	my $map = cf::map::find $path;
1567	$map = $map->customise_for ($self) if $map;	1854	$map = $map->customise_for ($self) if $map;
1568		1855	$map
1569	# warn "entering ", $map->path, " at ($x, $y)\n"	1856	} or
1570	# if $map;
1571
1572	$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);
1573		1858
1574	$self->leave_link ($map, $x, $y);	1859	$self->leave_link ($map, $x, $y);
1575	})->prio (1);	1860	})->prio (1);
1576	}	1861	}
1577		1862
…		…
1581		1866
1582	sub parse_random_map_params {	1867	sub parse_random_map_params {
1583	my ($spec) = @_;	1868	my ($spec) = @_;
1584		1869
1585	my $rmp = { # defaults	1870	my $rmp = { # defaults
1586	xsize => 10,	1871	xsize => (cf::rndm 15, 40),
1587	ysize => 10,	1872	ysize => (cf::rndm 15, 40),
		1873	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1874	#layout => string,
1588	};	1875	};
1589		1876
1590	for (split /\n/, $spec) {	1877	for (split /\n/, $spec) {
1591	my ($k, $v) = split /\s+/, $_, 2;	1878	my ($k, $v) = split /\s+/, $_, 2;
1592		1879
…		…
1596	$rmp	1883	$rmp
1597	}	1884	}
1598		1885
1599	sub prepare_random_map {	1886	sub prepare_random_map {
1600	my ($exit) = @_;	1887	my ($exit) = @_;
		1888
		1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1601		1890
1602	# all this does is basically replace the /! path by	1891	# all this does is basically replace the /! path by
1603	# a new random map path (?random/...) with a seed	1892	# a new random map path (?random/...) with a seed
1604	# that depends on the exit object	1893	# that depends on the exit object
1605		1894
1606	my $rmp = parse_random_map_params $exit->msg;	1895	my $rmp = parse_random_map_params $exit->msg;
1607		1896
1608	if ($exit->map) {	1897	if ($exit->map) {
1609	$rmp->{region} = $exit->map->region_name;	1898	$rmp->{region} = $exit->region->name;
1610	$rmp->{origin_map} = $exit->map->path;	1899	$rmp->{origin_map} = $exit->map->path;
1611	$rmp->{origin_x} = $exit->x;	1900	$rmp->{origin_x} = $exit->x;
1612	$rmp->{origin_y} = $exit->y;	1901	$rmp->{origin_y} = $exit->y;
1613	}	1902	}
1614		1903
1615	$rmp->{random_seed} ||= $exit->random_seed;	1904	$rmp->{random_seed} ||= $exit->random_seed;
1616		1905
1617	my $data = cf::to_json $rmp;	1906	my $data = cf::to_json $rmp;
1618	my $md5 = Digest::MD5::md5_hex $data;	1907	my $md5 = Digest::MD5::md5_hex $data;
		1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1619		1909
1620	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) {
1621	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;
1622		1914
1623	$exit->slaying ("?random/$md5");	1915	$exit->slaying ("?random/$md5");
1624	$exit->msg (undef);	1916	$exit->msg (undef);
1625	}	1917	}
1626	}	1918	}
…		…
1628	sub cf::object::player::enter_exit {	1920	sub cf::object::player::enter_exit {
1629	my ($self, $exit) = @_;	1921	my ($self, $exit) = @_;
1630		1922
1631	return unless $self->type == cf::PLAYER;	1923	return unless $self->type == cf::PLAYER;
1632		1924
		1925	if ($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
1633	$self->enter_link;	1934	$self->enter_link;
1634		1935
1635	(Coro::async_pool {	1936	(async {
1636	$self->deactivate_recursive; # just to be sure	1937	$self->deactivate_recursive; # just to be sure
1637	unless (eval {	1938	unless (eval {
1638	prepare_random_map $exit	1939	$self->goto ($slaying, $hp, $sp);
1639	if $exit->slaying eq "/!";
1640
1641	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1642	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1643		1940
1644	1;	1941	1;
1645	}) {	1942	}) {
1646	$self->message ("Something went wrong deep within the crossfire server. "	1943	$self->message ("Something went wrong deep within the crossfire server. "
1647	. "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. "
1648	. "Please report this to the dungeon master",	1945	. "Please report this to the dungeon master!",
1649	cf::NDI_UNIQUE | cf::NDI_RED);	1946	cf::NDI_UNIQUE | cf::NDI_RED);
1650		1947
1651	warn "ERROR in enter_exit: $@";	1948	warn "ERROR in enter_exit: $@";
1652	$self->leave_link;	1949	$self->leave_link;
1653	}	1950	}
…		…
1708	# get handled first	2005	# get handled first
1709	my $queue = delete $ns->{query_queue}	2006	my $queue = delete $ns->{query_queue}
1710	or return; # be conservative, not sure how that can happen, but we saw a crash here	2007	or return; # be conservative, not sure how that can happen, but we saw a crash here
1711		2008
1712	(shift @$queue)->[1]->($msg);	2009	(shift @$queue)->[1]->($msg);
		2010	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1713		2011
1714	push @{ $ns->{query_queue} }, @$queue;	2012	push @{ $ns->{query_queue} }, @$queue;
1715		2013
1716	if (@{ $ns->{query_queue} } == @$queue) {	2014	if (@{ $ns->{query_queue} } == @$queue) {
1717	if (@$queue) {	2015	if (@$queue) {
…		…
1721	}	2019	}
1722	}	2020	}
1723	},	2021	},
1724	);	2022	);
1725		2023
1726	=item $client->coro (\&cb)	2024	=item $client->async (\&cb)
1727		2025
1728	Create a new coroutine, running the specified callback. The coroutine will	2026	Create a new coroutine, running the specified callback. The coroutine will
1729	be automatically cancelled when the client gets destroyed (e.g. on logout,	2027	be automatically cancelled when the client gets destroyed (e.g. on logout,
1730	or loss of connection).	2028	or loss of connection).
1731		2029
1732	=cut	2030	=cut
1733		2031
1734	sub cf::client::coro {	2032	sub cf::client::async {
1735	my ($self, $cb) = @_;	2033	my ($self, $cb) = @_;
1736		2034
1737	my $coro = &Coro::async_pool ($cb);	2035	my $coro = &Coro::async ($cb);
1738		2036
1739	$coro->on_destroy (sub {	2037	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2038	delete $self->{_coro}{$coro+0};
1741	});	2039	});
1742		2040
…		…
1936	sub db_sync() {	2234	sub db_sync() {
1937	db_save if $dirty;	2235	db_save if $dirty;
1938	undef $dirty;	2236	undef $dirty;
1939	}	2237	}
1940		2238
1941	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2239	my $idle = Event->idle (
1942	db_sync;	2240	reentrant => 0,
		2241	min => 10,
		2242	max => 20,
		2243	repeat => 0,
		2244	data => WF_AUTOCANCEL,
		2245	cb => \&db_sync,
1943	});	2246	);
1944		2247
1945	sub db_dirty() {	2248	sub db_dirty() {
1946	$dirty = 1;	2249	$dirty = 1;
1947	$idle->start;	2250	$idle->start;
1948	}	2251	}
…		…
1969	},	2272	},
1970	);	2273	);
1971	}	2274	}
1972		2275
1973	#############################################################################	2276	#############################################################################
1974	# 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	}
1975		2283
1976	sub cfg_load {	2284	sub cfg_load {
1977	open my $fh, "<:utf8", cf::confdir . "/config"	2285	open my $fh, "<:utf8", cf::confdir . "/config"
1978	or return;	2286	or return;
1979		2287
1980	local $/;	2288	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2289	*CFG = YAML::Syck::Load <$fh>;
1982		2290
1983	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984		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
1985	if (exists $CFG{mlockall}) {	2296	if (exists $CFG{mlockall}) {
1986	eval {	2297	eval {
1987	$CFG{mlockall} ? &mlockall : &munlockall	2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988	and die "WARNING: m(un)lockall failed: $!\n";	2299	and die "WARNING: m(un)lockall failed: $!\n";
1989	};	2300	};
1990	warn $@ if $@;	2301	warn $@ if $@;
1991	}	2302	}
		2303	}
		2304
		2305	sub init {
		2306	load_resources;
1992	}	2307	}
1993		2308
1994	sub main {	2309	sub main {
1995	# we must not ever block the main coroutine	2310	# we must not ever block the main coroutine
1996	local $Coro::idle = sub {	2311	local $Coro::idle = sub {
1997	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#
1998	(Coro::unblock_sub {	2313	(async {
1999	Event::one_event;	2314	Event::one_event;
2000	})->();	2315	})->prio (Coro::PRIO_MAX);
2001	};	2316	};
2002		2317
2003	cfg_load;	2318	cfg_load;
2004	db_load;	2319	db_load;
2005	load_extensions;	2320	load_extensions;
		2321
		2322	$TICK_WATCHER->start;
2006	Event::loop;	2323	Event::loop;
2007	}	2324	}
2008		2325
2009	#############################################################################	2326	#############################################################################
2010	# 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	$map->save;
		2366	}
		2367	warn "end emergency map save\n";
		2368	};
		2369
		2370	warn "leave emergency perl save\n";
		2371	}
2011		2372
2012	sub reload() {	2373	sub reload() {
2013	# can/must only be called in main	2374	# can/must only be called in main
2014	if ($Coro::current != $Coro::main) {	2375	if ($Coro::current != $Coro::main) {
2015	warn "can only reload from main coroutine\n";	2376	warn "can only reload from main coroutine";
2016	return;	2377	return;
2017	}	2378	}
2018		2379
2019	warn "reloading...";	2380	warn "reloading...";
2020		2381
2021	my $guard = freeze_mainloop;	2382	warn "cancelling server ticker";
		2383	$TICK_WATCHER->cancel;
		2384
2022	cf::emergency_save;	2385	cf::emergency_save;
2023		2386
2024	eval {	2387	eval {
2025	# 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
2026		2389
2027	# cancel all watchers	2390	warn "syncing database to disk";
		2391	cf::db_sync;
		2392
		2393	warn "cancelling all WF_AUTOCANCEL watchers";
2028	for (Event::all_watchers) {	2394	for (Event::all_watchers) {
2029	$_->cancel if $_->data & WF_AUTOCANCEL;	2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2030	}	2396	}
2031		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
2032	# cancel all extension coros	2406	warn "cancelling all extension coros";
2033	$_->cancel for values %EXT_CORO;	2407	$_->cancel for values %EXT_CORO;
2034	%EXT_CORO = ();	2408	%EXT_CORO = ();
2035		2409
2036	# unload all extensions	2410	warn "removing commands";
2037	for (@exts) {	2411	%COMMAND = ();
		2412
		2413	warn "removing ext commands";
		2414	%EXTCMD = ();
		2415
		2416	warn "unloading/nuking all extensions";
		2417	for my $pkg (@EXTS) {
2038	warn "unloading <$_>";	2418	warn "... unloading $pkg";
2039	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: $@";
2040	}	2425	}
2041		2426
		2427	warn "... nuking $pkg";
		2428	Symbol::delete_package $pkg;
		2429	}
		2430
2042	# unload all modules loaded from $LIBDIR	2431	warn "unloading all perl modules loaded from $LIBDIR";
2043	while (my ($k, $v) = each %INC) {	2432	while (my ($k, $v) = each %INC) {
2044	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045		2434
2046	warn "removing <$k>";	2435	warn "... unloading $k";
2047	delete $INC{$k};	2436	delete $INC{$k};
2048		2437
2049	$k =~ s/\.pm$//;	2438	$k =~ s/\.pm$//;
2050	$k =~ s/\//::/g;	2439	$k =~ s/\//::/g;
2051		2440
…		…
2054	}	2443	}
2055		2444
2056	Symbol::delete_package $k;	2445	Symbol::delete_package $k;
2057	}	2446	}
2058		2447
2059	# sync database to disk
2060	cf::db_sync;
2061	IO::AIO::flush;
2062
2063	# get rid of safe::, as good as possible	2448	warn "getting rid of safe::, as good as possible";
2064	Symbol::delete_package "safe::$_"	2449	Symbol::delete_package "safe::$_"
2065	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);
2066		2451
2067	# remove register_script_function callbacks
2068	# TODO
2069
2070	# unload cf.pm "a bit"	2452	warn "unloading cf.pm \"a bit\"";
2071	delete $INC{"cf.pm"};	2453	delete $INC{"cf.pm"};
2072		2454
2073	# don't, removes xs symbols, too,	2455	# don't, removes xs symbols, too,
2074	# and global variables created in xs	2456	# and global variables created in xs
2075	#Symbol::delete_package __PACKAGE__;	2457	#Symbol::delete_package __PACKAGE__;
2076		2458
2077	# reload cf.pm	2459	warn "unload completed, starting to reload now";
		2460
2078	warn "reloading cf.pm";	2461	warn "reloading cf.pm";
2079	require cf;	2462	require cf;
2080	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081		2464
2082	# load config and database again	2465	warn "loading config and database again";
2083	cf::cfg_load;	2466	cf::cfg_load;
2084	cf::db_load;	2467	cf::db_load;
2085		2468
2086	# load extensions
2087	warn "load extensions";	2469	warn "loading extensions";
2088	cf::load_extensions;	2470	cf::load_extensions;
2089		2471
2090	# reattach attachments to objects	2472	warn "reattaching attachments to objects/players";
2091	warn "reattach";
2092	_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	$TICK_WATCHER->start;
2093	};	2483	};
2094		2484
2095	if ($@) {	2485	if ($@) {
2096	warn $@;	2486	warn $@;
2097	warn "error while reloading, exiting.";	2487	warn "error while reloading, exiting.";
2098	exit 1;	2488	exit 1;
2099	}	2489	}
2100		2490
2101	warn "reloaded successfully";	2491	warn "reloaded";
2102	};	2492	};
2103		2493
2104	#############################################################################	2494	our $RELOAD_WATCHER; # used only during reload
2105
2106	unless ($LINK_MAP) {
2107	$LINK_MAP = cf::map::new;
2108
2109	$LINK_MAP->width (41);
2110	$LINK_MAP->height (41);
2111	$LINK_MAP->alloc;
2112	$LINK_MAP->path ("{link}");
2113	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2114	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2115
2116	# dirty hack because... archetypes are not yet loaded
2117	Event->timer (
2118	after => 2,
2119	cb => sub {
2120	$_[0]->w->cancel;
2121
2122	# provide some exits "home"
2123	my $exit = cf::object::new "exit";
2124
2125	$exit->slaying ($EMERGENCY_POSITION->[0]);
2126	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2127	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2128
2129	$LINK_MAP->insert ($exit->clone, 19, 19);
2130	$LINK_MAP->insert ($exit->clone, 19, 20);
2131	$LINK_MAP->insert ($exit->clone, 19, 21);
2132	$LINK_MAP->insert ($exit->clone, 20, 19);
2133	$LINK_MAP->insert ($exit->clone, 20, 21);
2134	$LINK_MAP->insert ($exit->clone, 21, 19);
2135	$LINK_MAP->insert ($exit->clone, 21, 20);
2136	$LINK_MAP->insert ($exit->clone, 21, 21);
2137
2138	$exit->destroy;
2139	});
2140
2141	$LINK_MAP->{deny_save} = 1;
2142	$LINK_MAP->{deny_reset} = 1;
2143
2144	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2145	}
2146
2147	register "<global>", __PACKAGE__;
2148		2495
2149	register_command "reload" => sub {	2496	register_command "reload" => sub {
2150	my ($who, $arg) = @_;	2497	my ($who, $arg) = @_;
2151		2498
2152	if ($who->flag (FLAG_WIZ)) {	2499	if ($who->flag (FLAG_WIZ)) {
2153	$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 {
2154	reload;	2510	reload;
2155	$who->message ("end of reload.");	2511	undef $RELOAD_WATCHER;
		2512	},
		2513	);
2156	}	2514	}
2157	};	2515	};
2158		2516
2159	unshift @INC, $LIBDIR;	2517	unshift @INC, $LIBDIR;
		2518
		2519	my $bug_warning = 0;
2160		2520
2161	$TICK_WATCHER = Event->timer (	2521	$TICK_WATCHER = Event->timer (
2162	reentrant => 0,	2522	reentrant => 0,
		2523	parked => 1,
2163	prio => 0,	2524	prio => 0,
2164	at => $NEXT_TICK || $TICK,	2525	at => $NEXT_TICK || $TICK,
2165	data => WF_AUTOCANCEL,	2526	data => WF_AUTOCANCEL,
2166	cb => sub {	2527	cb => sub {
		2528	if ($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
2167	cf::server_tick; # one server iteration	2536	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2537	$RUNTIME += $TICK;
2169	$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#
2170		2548
2171	# 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
2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173		2551
2174	$TICK_WATCHER->at ($NEXT_TICK);	2552	$TICK_WATCHER->at ($NEXT_TICK);
2175	$TICK_WATCHER->start;	2553	$TICK_WATCHER->start;
2176	},	2554	},
2177	);	2555	);
2178		2556
2179	IO::AIO::max_poll_time $TICK * 0.2;	2557	IO::AIO::max_poll_time $TICK * 0.1;
2180		2558
2181	Event->io (	2559	undef $Coro::AIO::WATCHER;
		2560	$AIO_POLL_WATCHER = Event->io (
		2561	reentrant => 0,
2182	fd => IO::AIO::poll_fileno,	2562	fd => IO::AIO::poll_fileno,
2183	poll => 'r',	2563	poll => 'r',
2184	prio => 5,	2564	prio => 6,
2185	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2186	cb => \&IO::AIO::poll_cb,	2566	cb => \&IO::AIO::poll_cb,
2187	);	2567	);
2188		2568
2189	Event->timer (	2569	$WRITE_RUNTIME_WATCHER = Event->timer (
		2570	reentrant => 0,
2190	data => WF_AUTOCANCEL,	2571	data => WF_AUTOCANCEL,
2191	after => 0,	2572	after => 1,
2192	interval => 10,	2573	interval => 10,
2193	cb => sub {	2574	prio => 6, # keep it lowest so it acts like a watchdog
2194	(Coro::unblock_sub {	2575	cb => Coro::unblock_sub {
2195	write_runtime	2576	write_runtime
2196	or warn "ERROR: unable to write runtime file: $!";	2577	or warn "ERROR: unable to write runtime file: $!";
2197	})->();
2198	},	2578	},
2199	);	2579	);
2200		2580
2201	END { cf::emergency_save }	2581	END { cf::emergency_save }
2202		2582

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