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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.140 by root, Fri Jan 5 20:04:02 2007 UTC vs.
Revision 1.205 by root, Mon Feb 5 18:29:20 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 (Coro::PRIO_MAX); # 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		35
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
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 = 1; # 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	}
233		275
234	=item cf::async { BLOCK }	276	=item cf::async { BLOCK }
…		…
273	warn $@ if $@;	315	warn $@ if $@;
274	undef $busy;	316	undef $busy;
275	})->prio (Coro::PRIO_MAX);	317	})->prio (Coro::PRIO_MAX);
276		318
277	while ($busy) {	319	while ($busy) {
278	unless (Coro::cede) {	320	Coro::cede or Event::one_event;
279	Coro::nready ? Event::one_event 0 : Event::one_event;
280	Coro::cede_notself unless Coro::cede;
281	}
282	}	321	}
283		322
284	wantarray ? @res : $res[0]	323	wantarray ? @res : $res[0]
285	} else {	324	} else {
286	# we are in another coroutine, how wonderful, everything just works	325	# we are in another coroutine, how wonderful, everything just works
…		…
289	}	328	}
290	}	329	}
291		330
292	=item $coro = cf::async_ext { BLOCK }	331	=item $coro = cf::async_ext { BLOCK }
293		332
294	Like async, but this coro is automcatially being canceled when the	333	Like async, but this coro is automatically being canceled when the
295	extension calling this is being unloaded.	334	extension calling this is being unloaded.
296		335
297	=cut	336	=cut
298		337
299	sub async_ext(&) {	338	sub async_ext(&) {
…		…
313	my $runtime = cf::localdir . "/runtime";	352	my $runtime = cf::localdir . "/runtime";
314		353
315	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
316	or return;	355	or return;
317		356
		357	my $value = $cf::RUNTIME + 90 + 10;
318	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
319	(aio_write $fh, 0, (length $value), $value, 0) <= 0	361	(aio_write $fh, 0, (length $value), $value, 0) <= 0
320	and return;	362	and return;
321		363
		364	# always fsync - this file is important
322	aio_fsync $fh	365	aio_fsync $fh
323	and return;	366	and return;
324		367
325	close $fh	368	close $fh
326	or return;	369	or return;
…		…
332	}	375	}
333		376
334	=back	377	=back
335		378
336	=cut	379	=cut
337
338	#############################################################################
339
340	package cf::path;
341
342	sub new {
343	my ($class, $path, $base) = @_;
344
345	$path = $path->as_string if ref $path;
346
347	my $self = bless { }, $class;
348
349	# {... are special paths that are not touched
350	# ?xxx/... are special absolute paths
351	# ?random/... random maps
352	# /! non-realised random map exit
353	# /... normal maps
354	# ~/... per-player maps without a specific player (DO NOT USE)
355	# ~user/... per-player map of a specific user
356
357	if ($path =~ /^{/) {
358	# fine as it is
359	} elsif ($path =~ s{^\?random/}{}) {
360	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
361	$self->{random} = cf::from_json $data;
362	} else {
363	if ($path =~ s{^~([^/]+)?}{}) {
364	$self->{user_rel} = 1;
365
366	if (defined $1) {
367	$self->{user} = $1;
368	} elsif ($base =~ m{^~([^/]+)/}) {
369	$self->{user} = $1;
370	} else {
371	warn "cannot resolve user-relative path without user <$path,$base>\n";
372	}
373	} elsif ($path =~ /^\//) {
374	# already absolute
375	} else {
376	$base =~ s{[^/]+/?$}{};
377	return $class->new ("$base/$path");
378	}
379
380	for ($path) {
381	redo if s{/\.?/}{/};
382	redo if s{/[^/]+/\.\./}{/};
383	}
384	}
385
386	$self->{path} = $path;
387
388	$self
389	}
390
391	# the name / primary key / in-game path
392	sub as_string {
393	my ($self) = @_;
394
395	$self->{user_rel} ? "~$self->{user}$self->{path}"
396	: $self->{random} ? "?random/$self->{path}"
397	: $self->{path}
398	}
399
400	# the displayed name, this is a one way mapping
401	sub visible_name {
402	my ($self) = @_;
403
404	# if (my $rmp = $self->{random}) {
405	# # todo: be more intelligent about this
406	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
407	# } else {
408	$self->as_string
409	# }
410	}
411
412	# escape the /'s in the path
413	sub _escaped_path {
414	# ∕ is U+2215
415	(my $path = $_[0]{path}) =~ s/\//∕/g;
416	$path
417	}
418
419	# the original (read-only) location
420	sub load_path {
421	my ($self) = @_;
422
423	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
424	}
425
426	# the temporary/swap location
427	sub save_path {
428	my ($self) = @_;
429
430	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
431	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
432	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
433	}
434
435	# the unique path, might be eq to save_path
436	sub uniq_path {
437	my ($self) = @_;
438
439	$self->{user_rel} || $self->{random}
440	? undef
441	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
442	}
443
444	# return random map parameters, or undef
445	sub random_map_params {
446	my ($self) = @_;
447
448	$self->{random}
449	}
450
451	# this is somewhat ugly, but style maps do need special treatment
452	sub is_style_map {
453	$_[0]{path} =~ m{^/styles/}
454	}
455
456	package cf;
457		380
458	#############################################################################	381	#############################################################################
459		382
460	=head2 ATTACHABLE OBJECTS	383	=head2 ATTACHABLE OBJECTS
461		384
…		…
587	our @CB_TYPE = (); # registry for type (cf-object class) based events	510	our @CB_TYPE = (); # registry for type (cf-object class) based events
588	our @CB_MAP = ();	511	our @CB_MAP = ();
589		512
590	my %attachment;	513	my %attachment;
591		514
		515	sub cf::attachable::thawer_merge {
		516	# simply override everything except _meta
		517	local $_[0]{_meta};
		518	%{$_[0]} = %{$_[1]};
		519	}
		520
592	sub _attach_cb($$$$) {	521	sub _attach_cb($$$$) {
593	my ($registry, $event, $prio, $cb) = @_;	522	my ($registry, $event, $prio, $cb) = @_;
594		523
595	use sort 'stable';	524	use sort 'stable';
596		525
…		…
767	# object support	696	# object support
768		697
769	sub reattach {	698	sub reattach {
770	# basically do the same as instantiate, without calling instantiate	699	# basically do the same as instantiate, without calling instantiate
771	my ($obj) = @_;	700	my ($obj) = @_;
		701
		702	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		703
773	my $registry = $obj->registry;	704	my $registry = $obj->registry;
774		705
775	@$registry = ();	706	@$registry = ();
776		707
…		…
823	$filename, length $$rdata, scalar @$objs;	754	$filename, length $$rdata, scalar @$objs;
824		755
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	757	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh;	759	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	760	close $fh;
830		761
831	if (@$objs) {	762	if (@$objs) {
832	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) {
833	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	765	my $data = Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	766	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh;	767	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	768	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	769	aio_rename "$filename.pst~", "$filename.pst";
839	}	770	}
840	} else {	771	} else {
841	aio_unlink "$filename.pst";	772	aio_unlink "$filename.pst";
…		…
847	}	778	}
848	} else {	779	} else {
849	aio_unlink $filename;	780	aio_unlink $filename;
850	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
851	}	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	}
852	}	789	}
853	}	790	}
854		791
855	sub object_freezer_as_string {	792	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	793	my ($rdata, $objs) = @_;
…		…
862		799
863	sub object_thawer_load {	800	sub object_thawer_load {
864	my ($filename) = @_;	801	my ($filename) = @_;
865		802
866	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$//;
867		807
868	(aio_load $filename, $data) >= 0	808	(aio_load $filename, $data) >= 0
869	or return;	809	or return;
870		810
871	unless (aio_stat "$filename.pst") {	811	unless (aio_stat "$filename.pst") {
…		…
908	=cut	848	=cut
909		849
910	sub register_extcmd {	850	sub register_extcmd {
911	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
912		852
913	my $caller = caller;
914	#warn "registering extcmd '$name' to '$caller'";
915
916	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
917	}	854	}
918		855
919	cf::player->attach (	856	cf::player->attach (
920	on_command => sub {	857	on_command => sub {
921	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
934		871
935	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
936		873
937	if (ref $msg) {	874	if (ref $msg) {
938	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
939	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
940	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
941	}	878	}
942	}	879	}
943	} else {	880	} else {
944	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
946		883
947	cf::override;	884	cf::override;
948	},	885	},
949	);	886	);
950		887
951	sub register {
952	my ($base, $pkg) = @_;
953
954	#TODO
955	}
956
957	sub load_extension {	888	sub load_extension {
958	my ($path) = @_;	889	my ($path) = @_;
959		890
960	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
961	my $base = $1;	892	my $base = $1;
962	my $pkg = $1;	893	my $pkg = $1;
963	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
964	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
965		896
966	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
967		898
968	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
969	or die "$path: $!";	900	or die "$path: $!";
970		901
971	my $source =	902	my $source =
972	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
973	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
974	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
975	. "\n};\n1";	906	. "\n};\n1";
976		907
977	eval $source	908	unless (eval $source) {
978	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
979	: "extension disabled.\n";	910	: "extension disabled.\n";
980		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
981	push @exts, $pkg;	912	warn $@;
982	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
983		914	exit 1;
984	# no strict 'refs';	915	}
985	# @{"$pkg\::ISA"} = ext::;	916	die $@;
986
987	register $base, $pkg;
988	}
989
990	sub unload_extension {
991	my ($pkg) = @_;
992
993	warn "removing extension $pkg\n";
994
995	# remove hooks
996	#TODO
997	# for my $idx (0 .. $#PLUGIN_EVENT) {
998	# delete $hook[$idx]{$pkg};
999	# }	917	}
1000		918
1001	# remove commands	919	push @EXTS, $pkg;
1002	for my $name (keys %COMMAND) {
1003	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1004
1005	if (@cb) {
1006	$COMMAND{$name} = \@cb;
1007	} else {
1008	delete $COMMAND{$name};
1009	}
1010	}
1011
1012	# remove extcmds
1013	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1014	delete $EXTCMD{$name};
1015	}
1016
1017	if (my $cb = $pkg->can ("unload")) {
1018	eval {
1019	$cb->($pkg);
1020	1
1021	} or warn "$pkg unloaded, but with errors: $@";
1022	}
1023
1024	Symbol::delete_package $pkg;
1025	}	920	}
1026		921
1027	sub load_extensions {	922	sub load_extensions {
1028	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1029	next unless -r $ext;	924	next unless -r $ext;
…		…
1033	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1034	}	929	}
1035	}	930	}
1036		931
1037	#############################################################################	932	#############################################################################
1038	# load/save/clean perl data associated with a map
1039
1040	*cf::mapsupport::on_clean = sub {
1041	my ($map) = @_;
1042
1043	my $path = $map->tmpname;
1044	defined $path or return;
1045
1046	unlink "$path.pst";
1047	};
1048
1049	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1050
1051	#############################################################################
1052	# load/save perl data associated with player->ob objects
1053
1054	sub all_objects(@) {
1055	@_, map all_objects ($_->inv), @_
1056	}
1057
1058	# TODO: compatibility cruft, remove when no longer needed
1059	cf::player->attach (
1060	on_load => sub {
1061	my ($pl, $path) = @_;
1062
1063	for my $o (all_objects $pl->ob) {
1064	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1065	$o->set_ob_key_value ("_perl_data");
1066
1067	%$o = %{ Storable::thaw pack "H*", $value };
1068	}
1069	}
1070	},
1071	);
1072
1073	#############################################################################
1074		933
1075	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1076		935
1077	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1078		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1079	=head3 cf::player	944	=head3 cf::player
1080		945
1081	=over 4	946	=over 4
1082		947
1083	=item cf::player::exists $login	948	=item cf::player::find $login
1084		949
1085	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1086		951
1087	=cut	952	=cut
1088		953
1089	sub cf::player::exists($) {	954	sub playerdir($) {
1090	cf::player::find $_[0]	955	cf::localdir
1091	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
1092	}	1102	}
1093		1103
1094	=item $player->ext_reply ($msgid, $msgtype, %msg)	1104	=item $player->ext_reply ($msgid, $msgtype, %msg)
1095		1105
1096	Sends an ext reply to the player.	1106	Sends an ext reply to the player.
1097		1107
1098	=cut	1108	=cut
1099		1109
1100	sub cf::player::ext_reply($$$%) {	1110	sub ext_reply($$$%) {
1101	my ($self, $id, %msg) = @_;	1111	my ($self, $id, %msg) = @_;
1102		1112
1103	$msg{msgid} = $id;	1113	$msg{msgid} = $id;
1104		1114
1105	$self->send ("ext " . to_json \%msg);	1115	$self->send ("ext " . cf::to_json \%msg);
1106	}	1116	}
		1117
		1118	package cf;
1107		1119
1108	=back	1120	=back
1109		1121
1110		1122
1111	=head3 cf::map	1123	=head3 cf::map
…		…
1117	package cf::map;	1129	package cf::map;
1118		1130
1119	use Fcntl;	1131	use Fcntl;
1120	use Coro::AIO;	1132	use Coro::AIO;
1121		1133
		1134	use overload
		1135	'""' => \&as_string,
		1136	fallback => 1;
		1137
1122	our $MAX_RESET = 3600;	1138	our $MAX_RESET = 3600;
1123	our $DEFAULT_RESET = 3000;	1139	our $DEFAULT_RESET = 3000;
1124		1140
1125	sub generate_random_map {	1141	sub generate_random_map {
1126	my ($path, $rmp) = @_;	1142	my ($self, $rmp) = @_;
1127
1128	# mit "rum" bekleckern, nicht	1143	# mit "rum" bekleckern, nicht
1129	cf::map::_create_random_map	1144	$self->_create_random_map (
1130	$path,
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1148	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1149	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1152	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$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},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1154	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(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
1142	}	1286	}
1143		1287
1144	# and all this just because we cannot iterate over	1288	# and all this just because we cannot iterate over
1145	# all maps in C++...	1289	# all maps in C++...
1146	sub change_all_map_light {	1290	sub change_all_map_light {
…		…
1148		1292
1149	$_->change_map_light ($change)	1293	$_->change_map_light ($change)
1150	for grep $_->outdoor, values %cf::MAP;	1294	for grep $_->outdoor, values %cf::MAP;
1151	}	1295	}
1152		1296
		1297	sub unlink_save {
		1298	my ($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
1153	sub try_load_header($) {	1310	sub load_header_from($) {
1154	my ($path) = @_;	1311	my ($self, $path) = @_;
1155		1312
1156	utf8::encode $path;	1313	utf8::encode $path;
1157	aio_open $path, O_RDONLY, 0	1314	#aio_open $path, O_RDONLY, 0
		1315	# or return;
		1316
		1317	$self->_load_header ($path)
1158	or return;	1318	or return;
1159		1319
1160	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
1161	or return;	1363	or return;
		1364	$self->prepare_orig;
		1365	}
1162		1366
1163	# for better error messages only, will be overwritten	1367	1
1164	$map->path ($path);
1165
1166	$map->load_header ($path)
1167	or return;
1168
1169	$map->{load_path} = $path;
1170
1171	$map
1172	}	1368	}
1173		1369
1174	sub find;	1370	sub find;
1175	sub find {	1371	sub find {
1176	my ($path, $origin) = @_;	1372	my ($path, $origin) = @_;
1177		1373
1178	#warn "find<$path,$origin>\n";#d#
1179
1180	$path = new cf::path $path, $origin && $origin->path;	1374	$path = normalise $path, $origin && $origin->path;
1181	my $key = $path->as_string;
1182		1375
1183	cf::lock_wait "map_find:$key";	1376	cf::lock_wait "map_find:$path";
1184		1377
1185	$cf::MAP{$key} || do {	1378	$cf::MAP{$path} || do {
1186	my $guard = cf::lock_acquire "map_find:$key";	1379	my $guard = cf::lock_acquire "map_find:$path";
1187		1380	my $map = new_from_path cf::map $path
1188	# do it the slow way
1189	my $map = try_load_header $path->save_path;
1190
1191	Coro::cede;
1192
1193	if ($map) {
1194	$map->last_access ((delete $map->{last_access})
1195	|| $cf::RUNTIME); #d#
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1381	or return;
1207		1382
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->last_access ($cf::RUNTIME);
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1383	$map->{last_save} = $cf::RUNTIME;
1220		1384
1221	Coro::cede;	1385	$map->load_header
		1386	or return;
1222		1387
1223	if ($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;
1224	$map->reset;	1391	$map->reset;
1225	undef $guard;	1392	undef $guard;
1226	$map = find $path	1393	return find $path;
1227	or return;
1228	}	1394	}
1229		1395
1230	$cf::MAP{$key} = $map	1396	$cf::MAP{$path} = $map
1231	}	1397	}
1232	}	1398	}
		1399
		1400	sub pre_load { }
		1401	sub post_load { }
1233		1402
1234	sub load {	1403	sub load {
1235	my ($self) = @_;	1404	my ($self) = @_;
1236		1405
		1406	local $self->{deny_reset} = 1; # loading can take a long time
		1407
1237	my $path = $self->{path};	1408	my $path = $self->{path};
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1409	my $guard = cf::lock_acquire "map_load:$path";
1239		1410
1240	return if $self->in_memory != cf::MAP_SWAPPED;	1411	return if $self->in_memory != cf::MAP_SWAPPED;
1241		1412
1242	$self->in_memory (cf::MAP_LOADING);	1413	$self->in_memory (cf::MAP_LOADING);
1243		1414
1244	$self->alloc;	1415	$self->alloc;
		1416
		1417	$self->pre_load;
		1418
1245	$self->load_objects ($self->{load_path}, 1)	1419	$self->_load_objects ($self->{load_path}, 1)
1246	or return;	1420	or return;
1247		1421
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249	if delete $self->{load_original};	1423	if delete $self->{load_original};
1250		1424
1251	if (my $uniq = $path->uniq_path) {	1425	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	1426	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	1427	if (aio_open $uniq, O_RDONLY, 0) {
1254	$self->clear_unique_items;	1428	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	1429	$self->_load_objects ($uniq, 0);
1256	}	1430	}
1257	}	1431	}
1258		1432
1259	Coro::cede;	1433	Coro::cede;
1260		1434
1261	# now do the right thing for maps	1435	# now do the right thing for maps
1262	$self->link_multipart_objects;	1436	$self->link_multipart_objects;
1263		1437
1264	if ($self->{path}->is_style_map) {	1438	unless ($self->{deny_activate}) {
1265	$self->{deny_save} = 1;	1439	$self->decay_objects;
1266	$self->{deny_reset} = 1;
1267	} else {
1268	$self->fix_auto_apply;	1440	$self->fix_auto_apply;
1269	$self->decay_objects;
1270	$self->update_buttons;	1441	$self->update_buttons;
		1442	Coro::cede;
1271	$self->set_darkness_map;	1443	$self->set_darkness_map;
1272	$self->difficulty ($self->estimate_difficulty)	1444	$self->difficulty ($self->estimate_difficulty)
1273	unless $self->difficulty;	1445	unless $self->difficulty;
		1446	Coro::cede;
1274	$self->activate;	1447	$self->activate;
1275	}	1448	}
1276		1449
1277	Coro::cede;	1450	$self->post_load;
1278		1451
1279	$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	$neigh->load;
		1485	}
1280	}	1486	}
1281		1487
1282	sub find_sync {	1488	sub find_sync {
1283	my ($path, $origin) = @_;	1489	my ($path, $origin) = @_;
1284		1490
1285	cf::sync_job { cf::map::find $path, $origin }	1491	cf::sync_job { find $path, $origin }
1286	}	1492	}
1287		1493
1288	sub do_load_sync {	1494	sub do_load_sync {
1289	my ($map) = @_;	1495	my ($map) = @_;
1290		1496
1291	cf::sync_job { $map->load };	1497	cf::sync_job { $map->load };
1292	}	1498	}
1293		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	$MAP_PREFETCHER->prio (6);
		1526
		1527	()
		1528	}
		1529
1294	sub save {	1530	sub save {
1295	my ($self) = @_;	1531	my ($self) = @_;
1296		1532
1297	my $lock = cf::lock_acquire "map_data:" . $self->path;	1533	my $lock = cf::lock_acquire "map_data:" . $self->path;
1298		1534
1299	$self->{last_save} = $cf::RUNTIME;	1535	$self->{last_save} = $cf::RUNTIME;
1300		1536
1301	return unless $self->dirty;	1537	return unless $self->dirty;
1302		1538
1303	my $save = $self->{path}->save_path; utf8::encode $save;	1539	my $save = $self->save_path; utf8::encode $save;
1304	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1540	my $uniq = $self->uniq_path; utf8::encode $uniq;
1305		1541
1306	$self->{load_path} = $save;	1542	$self->{load_path} = $save;
1307		1543
1308	return if $self->{deny_save};	1544	return if $self->{deny_save};
1309		1545
1310	local $self->{last_access} = $self->last_access;#d#	1546	local $self->{last_access} = $self->last_access;#d#
1311		1547
		1548	cf::async {
		1549	$_->contr->save for $self->players;
		1550	};
		1551
1312	if ($uniq) {	1552	if ($uniq) {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314	$self->save_objects ($uniq, cf::IO_UNIQUES);	1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1315	} else {	1555	} else {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1317	}	1557	}
1318	}	1558	}
1319		1559
1320	sub swap_out {	1560	sub swap_out {
1321	my ($self) = @_;	1561	my ($self) = @_;
…		…
1335		1575
1336	sub reset_at {	1576	sub reset_at {
1337	my ($self) = @_;	1577	my ($self) = @_;
1338		1578
1339	# TODO: safety, remove and allow resettable per-player maps	1579	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1581	return 1e99 if $self->{deny_reset};
1342		1582
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1585
…		…
1350	my ($self) = @_;	1590	my ($self) = @_;
1351		1591
1352	$self->reset_at <= $cf::RUNTIME	1592	$self->reset_at <= $cf::RUNTIME
1353	}	1593	}
1354		1594
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1595	sub reset {
1377	my ($self) = @_;	1596	my ($self) = @_;
1378		1597
1379	my $lock = cf::lock_acquire "map_data:" . $self->path;	1598	my $lock = cf::lock_acquire "map_data:$self->{path}";
1380		1599
1381	return if $self->players;	1600	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1601	return if $self->isa ("ext::map_per_player");#d#
1383		1602
1384	warn "resetting map ", $self->path;#d#	1603	warn "resetting map ", $self->path;#d#
1385		1604
1386	delete $cf::MAP{$self->path};	1605	delete $cf::MAP{$self->path};
		1606
		1607	$self->in_memory (cf::MAP_SWAPPED);
		1608	$self->clear;
1387		1609
1388	$_->clear_links_to ($self) for values %cf::MAP;	1610	$_->clear_links_to ($self) for values %cf::MAP;
1389		1611
1390	$self->unlink_save;	1612	$self->unlink_save;
1391	$self->destroy;	1613	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1616	my $nuke_counter = "aaaa";
1395		1617
1396	sub nuke {	1618	sub nuke {
1397	my ($self) = @_;	1619	my ($self) = @_;
1398		1620
		1621	delete $cf::MAP{$self->path};
		1622
		1623	$self->unlink_save;
		1624
		1625	bless $self, "cf::map";
		1626	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1627	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1628	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1630
		1631	$cf::MAP{$self->path} = $self;
		1632
1402	$self->reset; # polite request, might not happen	1633	$self->reset; # polite request, might not happen
1403	}	1634	}
1404		1635
1405	sub customise_for {	1636	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1637
1408	if ($map->per_player) {	1638	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1639	instantiated unique items. May block.
1410	}
1411		1640
1412	$map	1641	=cut
1413	}
1414		1642
1415	sub emergency_save {	1643	sub unique_maps() {
1416	my $freeze_guard = cf::freeze_mainloop;	1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1645	or return;
1417		1646
1418	warn "enter emergency map save\n";	1647	my @paths;
1419		1648
1420	cf::sync_job {	1649	for (@$files) {
1421	warn "begin emergency map save\n";	1650	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1651	next if /\.pst$/;
		1652	next unless /^$PATH_SEP/o;
		1653
		1654	push @paths, cf::map::normalise $_;
1423	};	1655	}
1424		1656
1425	warn "end emergency map save\n";	1657	\@paths
1426	}	1658	}
1427		1659
1428	package cf;	1660	package cf;
1429		1661
1430	=back	1662	=back
1431		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
1432		1690
1433	=head3 cf::object::player	1691	=head3 cf::object::player
1434		1692
1435	=over 4	1693	=over 4
1436		1694
…		…
1476		1734
1477	=item $player_object->enter_link	1735	=item $player_object->enter_link
1478		1736
1479	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}>).
1480		1738
1481	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
1482	I<MUST> call C<leave_link> as soon as possible, though.	1740	I<MUST> call C<leave_link> as soon as possible, though.
1483		1741
		1742	Will never block.
		1743
1484	=item $player_object->leave_link ($map, $x, $y)	1744	=item $player_object->leave_link ($map, $x, $y)
1485		1745
1486	Moves the player out of the specila link map onto the given map. If the	1746	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	1747	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	1748	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1749	fails, to the emergency map position.
1490		1750
1491	Might block.	1751	Might block.
1492		1752
1493	=cut	1753	=cut
		1754
		1755	sub link_map {
		1756	unless ($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	$LINK_MAP
		1763	}
1494		1764
1495	sub cf::object::player::enter_link {	1765	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1766	my ($self) = @_;
1497		1767
1498	$self->deactivate_recursive;	1768	$self->deactivate_recursive;
1499		1769
1500	return if $self->map == $LINK_MAP;	1770	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1771
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1773	if $self->map;
1504		1774
1505	$self->enter_map ($LINK_MAP, 20, 20);	1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1776	}
1507		1777
1508	sub cf::object::player::leave_link {	1778	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1779	my ($self, $map, $x, $y) = @_;
1510		1780
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1798	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1799	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1800	if $x <=0 && $y <= 0;
1531		1801
1532	$map->load;	1802	$map->load;
		1803	$map->load_diag;
1533		1804
		1805	return unless $self->contr->active;
1534	$self->activate_recursive;	1806	$self->activate_recursive;
1535	$self->enter_map ($map, $x, $y);	1807	$self->enter_map ($map, $x, $y);
1536	}	1808	}
1537		1809
1538	cf::player->attach (	1810	cf::player->attach (
…		…
1550	my ($pl) = @_;	1822	my ($pl) = @_;
1551		1823
1552	# try to abort aborted map switching on player login :)	1824	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1825	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1826	if ($pl->ob->{_link_pos}) {
1555
1556	$pl->ob->enter_link;	1827	$pl->ob->enter_link;
1557	(async {	1828	(async {
1558	# 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
1559	# 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
1560	$pl->ob->reply (undef,	1831	$pl->ob->reply (undef,
…		…
1576	my ($self, $path, $x, $y) = @_;	1847	my ($self, $path, $x, $y) = @_;
1577		1848
1578	$self->enter_link;	1849	$self->enter_link;
1579		1850
1580	(async {	1851	(async {
1581	$path = new cf::path $path;	1852	my $map = eval {
1582
1583	my $map = cf::map::find $path->as_string;	1853	my $map = cf::map::find $path;
1584	$map = $map->customise_for ($self) if $map;	1854	$map = $map->customise_for ($self) if $map;
1585		1855	$map
1586	# warn "entering ", $map->path, " at ($x, $y)\n"	1856	} or
1587	# if $map;
1588
1589	$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);
1590		1858
1591	$self->leave_link ($map, $x, $y);	1859	$self->leave_link ($map, $x, $y);
1592	})->prio (1);	1860	})->prio (1);
1593	}	1861	}
1594		1862
…		…
1598		1866
1599	sub parse_random_map_params {	1867	sub parse_random_map_params {
1600	my ($spec) = @_;	1868	my ($spec) = @_;
1601		1869
1602	my $rmp = { # defaults	1870	my $rmp = { # defaults
1603	xsize => 10,	1871	xsize => (cf::rndm 15, 40),
1604	ysize => 10,	1872	ysize => (cf::rndm 15, 40),
		1873	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1874	#layout => string,
1605	};	1875	};
1606		1876
1607	for (split /\n/, $spec) {	1877	for (split /\n/, $spec) {
1608	my ($k, $v) = split /\s+/, $_, 2;	1878	my ($k, $v) = split /\s+/, $_, 2;
1609		1879
…		…
1613	$rmp	1883	$rmp
1614	}	1884	}
1615		1885
1616	sub prepare_random_map {	1886	sub prepare_random_map {
1617	my ($exit) = @_;	1887	my ($exit) = @_;
		1888
		1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1618		1890
1619	# all this does is basically replace the /! path by	1891	# all this does is basically replace the /! path by
1620	# a new random map path (?random/...) with a seed	1892	# a new random map path (?random/...) with a seed
1621	# that depends on the exit object	1893	# that depends on the exit object
1622		1894
1623	my $rmp = parse_random_map_params $exit->msg;	1895	my $rmp = parse_random_map_params $exit->msg;
1624		1896
1625	if ($exit->map) {	1897	if ($exit->map) {
1626	$rmp->{region} = $exit->map->region_name;	1898	$rmp->{region} = $exit->region->name;
1627	$rmp->{origin_map} = $exit->map->path;	1899	$rmp->{origin_map} = $exit->map->path;
1628	$rmp->{origin_x} = $exit->x;	1900	$rmp->{origin_x} = $exit->x;
1629	$rmp->{origin_y} = $exit->y;	1901	$rmp->{origin_y} = $exit->y;
1630	}	1902	}
1631		1903
1632	$rmp->{random_seed} ||= $exit->random_seed;	1904	$rmp->{random_seed} ||= $exit->random_seed;
1633		1905
1634	my $data = cf::to_json $rmp;	1906	my $data = cf::to_json $rmp;
1635	my $md5 = Digest::MD5::md5_hex $data;	1907	my $md5 = Digest::MD5::md5_hex $data;
		1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1636		1909
1637	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) {
1638	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;
1639		1914
1640	$exit->slaying ("?random/$md5");	1915	$exit->slaying ("?random/$md5");
1641	$exit->msg (undef);	1916	$exit->msg (undef);
1642	}	1917	}
1643	}	1918	}
1644		1919
1645	sub cf::object::player::enter_exit {	1920	sub cf::object::player::enter_exit {
1646	my ($self, $exit) = @_;	1921	my ($self, $exit) = @_;
1647		1922
1648	return unless $self->type == cf::PLAYER;	1923	return unless $self->type == cf::PLAYER;
		1924
		1925	if ($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;
1649		1933
1650	$self->enter_link;	1934	$self->enter_link;
1651		1935
1652	(async {	1936	(async {
1653	$self->deactivate_recursive; # just to be sure	1937	$self->deactivate_recursive; # just to be sure
1654	unless (eval {	1938	unless (eval {
1655	prepare_random_map $exit	1939	$self->goto ($slaying, $hp, $sp);
1656	if $exit->slaying eq "/!";
1657
1658	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1659	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1660		1940
1661	1;	1941	1;
1662	}) {	1942	}) {
1663	$self->message ("Something went wrong deep within the crossfire server. "	1943	$self->message ("Something went wrong deep within the crossfire server. "
1664	. "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. "
1665	. "Please report this to the dungeon master",	1945	. "Please report this to the dungeon master!",
1666	cf::NDI_UNIQUE | cf::NDI_RED);	1946	cf::NDI_UNIQUE | cf::NDI_RED);
1667		1947
1668	warn "ERROR in enter_exit: $@";	1948	warn "ERROR in enter_exit: $@";
1669	$self->leave_link;	1949	$self->leave_link;
1670	}	1950	}
…		…
1725	# get handled first	2005	# get handled first
1726	my $queue = delete $ns->{query_queue}	2006	my $queue = delete $ns->{query_queue}
1727	or return; # be conservative, not sure how that can happen, but we saw a crash here	2007	or return; # be conservative, not sure how that can happen, but we saw a crash here
1728		2008
1729	(shift @$queue)->[1]->($msg);	2009	(shift @$queue)->[1]->($msg);
		2010	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1730		2011
1731	push @{ $ns->{query_queue} }, @$queue;	2012	push @{ $ns->{query_queue} }, @$queue;
1732		2013
1733	if (@{ $ns->{query_queue} } == @$queue) {	2014	if (@{ $ns->{query_queue} } == @$queue) {
1734	if (@$queue) {	2015	if (@$queue) {
…		…
1953	sub db_sync() {	2234	sub db_sync() {
1954	db_save if $dirty;	2235	db_save if $dirty;
1955	undef $dirty;	2236	undef $dirty;
1956	}	2237	}
1957		2238
1958	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2239	my $idle = Event->idle (
1959	db_sync;	2240	reentrant => 0,
		2241	min => 10,
		2242	max => 20,
		2243	repeat => 0,
		2244	data => WF_AUTOCANCEL,
		2245	cb => \&db_sync,
1960	});	2246	);
1961		2247
1962	sub db_dirty() {	2248	sub db_dirty() {
1963	$dirty = 1;	2249	$dirty = 1;
1964	$idle->start;	2250	$idle->start;
1965	}	2251	}
…		…
1986	},	2272	},
1987	);	2273	);
1988	}	2274	}
1989		2275
1990	#############################################################################	2276	#############################################################################
1991	# 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	}
1992		2283
1993	sub cfg_load {	2284	sub cfg_load {
1994	open my $fh, "<:utf8", cf::confdir . "/config"	2285	open my $fh, "<:utf8", cf::confdir . "/config"
1995	or return;	2286	or return;
1996		2287
…		…
2002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2003	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2004		2295
2005	if (exists $CFG{mlockall}) {	2296	if (exists $CFG{mlockall}) {
2006	eval {	2297	eval {
2007	$CFG{mlockall} ? &mlockall : &munlockall	2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008	and die "WARNING: m(un)lockall failed: $!\n";	2299	and die "WARNING: m(un)lockall failed: $!\n";
2009	};	2300	};
2010	warn $@ if $@;	2301	warn $@ if $@;
2011	}	2302	}
		2303	}
		2304
		2305	sub init {
		2306	load_resources;
2012	}	2307	}
2013		2308
2014	sub main {	2309	sub main {
2015	# we must not ever block the main coroutine	2310	# we must not ever block the main coroutine
2016	local $Coro::idle = sub {	2311	local $Coro::idle = sub {
2017	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#
		2313	(async {
2018	async { Event::one_event };	2314	Event::one_event;
		2315	})->prio (Coro::PRIO_MAX);
2019	};	2316	};
2020		2317
2021	cfg_load;	2318	cfg_load;
2022	db_load;	2319	db_load;
2023	load_extensions;	2320	load_extensions;
		2321
		2322	$TICK_WATCHER->start;
2024	Event::loop;	2323	Event::loop;
2025	}	2324	}
2026		2325
2027	#############################################################################	2326	#############################################################################
2028	# 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	$map->save;
		2366	}
		2367	warn "end emergency map save\n";
		2368	};
		2369
		2370	warn "leave emergency perl save\n";
		2371	}
2029		2372
2030	sub reload() {	2373	sub reload() {
2031	# can/must only be called in main	2374	# can/must only be called in main
2032	if ($Coro::current != $Coro::main) {	2375	if ($Coro::current != $Coro::main) {
2033	warn "can only reload from main coroutine\n";	2376	warn "can only reload from main coroutine";
2034	return;	2377	return;
2035	}	2378	}
2036		2379
2037	warn "reloading...";	2380	warn "reloading...";
2038		2381
2039	my $guard = freeze_mainloop;	2382	warn "cancelling server ticker";
		2383	$TICK_WATCHER->cancel;
		2384
2040	cf::emergency_save;	2385	cf::emergency_save;
2041		2386
2042	eval {	2387	eval {
2043	# 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
2044		2389
2045	# cancel all watchers	2390	warn "syncing database to disk";
		2391	cf::db_sync;
		2392
		2393	warn "cancelling all WF_AUTOCANCEL watchers";
2046	for (Event::all_watchers) {	2394	for (Event::all_watchers) {
2047	$_->cancel if $_->data & WF_AUTOCANCEL;	2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2048	}	2396	}
2049		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
2050	# cancel all extension coros	2406	warn "cancelling all extension coros";
2051	$_->cancel for values %EXT_CORO;	2407	$_->cancel for values %EXT_CORO;
2052	%EXT_CORO = ();	2408	%EXT_CORO = ();
2053		2409
2054	# unload all extensions	2410	warn "removing commands";
2055	for (@exts) {	2411	%COMMAND = ();
		2412
		2413	warn "removing ext commands";
		2414	%EXTCMD = ();
		2415
		2416	warn "unloading/nuking all extensions";
		2417	for my $pkg (@EXTS) {
2056	warn "unloading <$_>";	2418	warn "... unloading $pkg";
2057	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: $@";
2058	}	2425	}
2059		2426
		2427	warn "... nuking $pkg";
		2428	Symbol::delete_package $pkg;
		2429	}
		2430
2060	# unload all modules loaded from $LIBDIR	2431	warn "unloading all perl modules loaded from $LIBDIR";
2061	while (my ($k, $v) = each %INC) {	2432	while (my ($k, $v) = each %INC) {
2062	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063		2434
2064	warn "removing <$k>";	2435	warn "... unloading $k";
2065	delete $INC{$k};	2436	delete $INC{$k};
2066		2437
2067	$k =~ s/\.pm$//;	2438	$k =~ s/\.pm$//;
2068	$k =~ s/\//::/g;	2439	$k =~ s/\//::/g;
2069		2440
…		…
2072	}	2443	}
2073		2444
2074	Symbol::delete_package $k;	2445	Symbol::delete_package $k;
2075	}	2446	}
2076		2447
2077	# sync database to disk
2078	cf::db_sync;
2079	IO::AIO::flush;
2080
2081	# get rid of safe::, as good as possible	2448	warn "getting rid of safe::, as good as possible";
2082	Symbol::delete_package "safe::$_"	2449	Symbol::delete_package "safe::$_"
2083	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);
2084		2451
2085	# remove register_script_function callbacks
2086	# TODO
2087
2088	# unload cf.pm "a bit"	2452	warn "unloading cf.pm \"a bit\"";
2089	delete $INC{"cf.pm"};	2453	delete $INC{"cf.pm"};
2090		2454
2091	# don't, removes xs symbols, too,	2455	# don't, removes xs symbols, too,
2092	# and global variables created in xs	2456	# and global variables created in xs
2093	#Symbol::delete_package __PACKAGE__;	2457	#Symbol::delete_package __PACKAGE__;
2094		2458
2095	# reload cf.pm	2459	warn "unload completed, starting to reload now";
		2460
2096	warn "reloading cf.pm";	2461	warn "reloading cf.pm";
2097	require cf;	2462	require cf;
2098	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2099		2464
2100	# load config and database again	2465	warn "loading config and database again";
2101	cf::cfg_load;	2466	cf::cfg_load;
2102	cf::db_load;	2467	cf::db_load;
2103		2468
2104	# load extensions
2105	warn "load extensions";	2469	warn "loading extensions";
2106	cf::load_extensions;	2470	cf::load_extensions;
2107		2471
2108	# reattach attachments to objects	2472	warn "reattaching attachments to objects/players";
2109	warn "reattach";
2110	_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	$TICK_WATCHER->start;
2111	};	2483	};
2112		2484
2113	if ($@) {	2485	if ($@) {
2114	warn $@;	2486	warn $@;
2115	warn "error while reloading, exiting.";	2487	warn "error while reloading, exiting.";
2116	exit 1;	2488	exit 1;
2117	}	2489	}
2118		2490
2119	warn "reloaded successfully";	2491	warn "reloaded";
2120	};	2492	};
2121		2493
2122	#############################################################################	2494	our $RELOAD_WATCHER; # used only during reload
2123
2124	unless ($LINK_MAP) {
2125	$LINK_MAP = cf::map::new;
2126
2127	$LINK_MAP->width (41);
2128	$LINK_MAP->height (41);
2129	$LINK_MAP->alloc;
2130	$LINK_MAP->path ("{link}");
2131	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2132	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2133
2134	# dirty hack because... archetypes are not yet loaded
2135	Event->timer (
2136	after => 2,
2137	cb => sub {
2138	$_[0]->w->cancel;
2139
2140	# provide some exits "home"
2141	my $exit = cf::object::new "exit";
2142
2143	$exit->slaying ($EMERGENCY_POSITION->[0]);
2144	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2145	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2146
2147	$LINK_MAP->insert ($exit->clone, 19, 19);
2148	$LINK_MAP->insert ($exit->clone, 19, 20);
2149	$LINK_MAP->insert ($exit->clone, 19, 21);
2150	$LINK_MAP->insert ($exit->clone, 20, 19);
2151	$LINK_MAP->insert ($exit->clone, 20, 21);
2152	$LINK_MAP->insert ($exit->clone, 21, 19);
2153	$LINK_MAP->insert ($exit->clone, 21, 20);
2154	$LINK_MAP->insert ($exit->clone, 21, 21);
2155
2156	$exit->destroy;
2157	});
2158
2159	$LINK_MAP->{deny_save} = 1;
2160	$LINK_MAP->{deny_reset} = 1;
2161
2162	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2163	}
2164
2165	register "<global>", __PACKAGE__;
2166		2495
2167	register_command "reload" => sub {	2496	register_command "reload" => sub {
2168	my ($who, $arg) = @_;	2497	my ($who, $arg) = @_;
2169		2498
2170	if ($who->flag (FLAG_WIZ)) {	2499	if ($who->flag (FLAG_WIZ)) {
2171	$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 {
2172	reload;	2510	reload;
2173	$who->message ("end of reload.");	2511	undef $RELOAD_WATCHER;
		2512	},
		2513	);
2174	}	2514	}
2175	};	2515	};
2176		2516
2177	unshift @INC, $LIBDIR;	2517	unshift @INC, $LIBDIR;
		2518
		2519	my $bug_warning = 0;
2178		2520
2179	$TICK_WATCHER = Event->timer (	2521	$TICK_WATCHER = Event->timer (
2180	reentrant => 0,	2522	reentrant => 0,
		2523	parked => 1,
2181	prio => 0,	2524	prio => 0,
2182	at => $NEXT_TICK || $TICK,	2525	at => $NEXT_TICK || $TICK,
2183	data => WF_AUTOCANCEL,	2526	data => WF_AUTOCANCEL,
2184	cb => sub {	2527	cb => sub {
		2528	if ($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
2185	cf::server_tick; # one server iteration	2536	cf::server_tick; # one server iteration
2186	$RUNTIME += $TICK;	2537	$RUNTIME += $TICK;
2187	$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#
2188		2548
2189	# 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
2190	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2191		2551
2192	$TICK_WATCHER->at ($NEXT_TICK);	2552	$TICK_WATCHER->at ($NEXT_TICK);
2193	$TICK_WATCHER->start;	2553	$TICK_WATCHER->start;
2194	},	2554	},
2195	);	2555	);
2196		2556
2197	IO::AIO::max_poll_time $TICK * 0.2;	2557	IO::AIO::max_poll_time $TICK * 0.1;
2198		2558
2199	Event->io (	2559	undef $Coro::AIO::WATCHER;
		2560	$AIO_POLL_WATCHER = Event->io (
		2561	reentrant => 0,
2200	fd => IO::AIO::poll_fileno,	2562	fd => IO::AIO::poll_fileno,
2201	poll => 'r',	2563	poll => 'r',
2202	prio => 5,	2564	prio => 6,
2203	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2204	cb => \&IO::AIO::poll_cb,	2566	cb => \&IO::AIO::poll_cb,
2205	);	2567	);
2206		2568
2207	Event->timer (	2569	$WRITE_RUNTIME_WATCHER = Event->timer (
		2570	reentrant => 0,
2208	data => WF_AUTOCANCEL,	2571	data => WF_AUTOCANCEL,
2209	after => 0,	2572	after => 1,
2210	interval => 10,	2573	interval => 10,
2211	cb => sub {	2574	prio => 6, # keep it lowest so it acts like a watchdog
2212	(Coro::unblock_sub {	2575	cb => Coro::unblock_sub {
2213	write_runtime	2576	write_runtime
2214	or warn "ERROR: unable to write runtime file: $!";	2577	or warn "ERROR: unable to write runtime file: $!";
2215	})->();
2216	},	2578	},
2217	);	2579	);
2218		2580
2219	END { cf::emergency_save }	2581	END { cf::emergency_save }
2220		2582

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