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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 1.203 by root, Thu Feb 1 19:40:42 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (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;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		69
57	binmode STDOUT;	70	binmode STDOUT;
58	binmode STDERR;	71	binmode STDERR;
59		72
60	# read virtual server time, if available	73	# read virtual server time, if available
…		…
68	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
72		85
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
		87
		88	sub cf::map::normalise;
76		89
77	#############################################################################	90	#############################################################################
78		91
79	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
80		93
…		…
104		117
105	=item %cf::CFG	118	=item %cf::CFG
106		119
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	121	from wherever your confdir points to.
		122
		123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		124
		125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		127	processing has been done. Call C<< ->wait >> on them to maximise the
		128	window of cpu time available, or simply to synchronise to the server tick.
109		129
110	=back	130	=back
111		131
112	=cut	132	=cut
113		133
…		…
117	utf8::encode $msg;	137	utf8::encode $msg;
118		138
119	$msg .= "\n"	139	$msg .= "\n"
120	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
121		141
122	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
123	};	143	};
124	}	144	}
125		145
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		165
146	$Event::DIED = sub {	166	$Event::DIED = sub {
147	warn "error in event callback: @_";	167	warn "error in event callback: @_";
148	};	168	};
149		169
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
155		171
156	=over 4	172	=over 4
157		173
		174	=item dumpval $ref
		175
158	=cut	176	=cut
		177
		178	sub dumpval {
		179	eval {
		180	local $SIG{__DIE__};
		181	my $d;
		182	if (1) {
		183	$d = new Data::Dumper([$_[0]], ["*var"]);
		184	$d->Terse(1);
		185	$d->Indent(2);
		186	$d->Quotekeys(0);
		187	$d->Useqq(1);
		188	#$d->Bless(...);
		189	$d->Seen($_[1]) if @_ > 1;
		190	$d = $d->Dump();
		191	}
		192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		193	$d
		194	} || "[unable to dump $_[0]: '$@']";
		195	}
159		196
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		198
162	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
163		200
…		…
224	}	261	}
225		262
226	sub freeze_mainloop {	263	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
228		265
229	my $guard = Coro::guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	$WRITE_RUNTIME_WATCHER->start;
		269	};
		270	$WRITE_RUNTIME_WATCHER->stop;
230	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
231	$guard	272	$guard
232	}	273	}
233		274
234	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
273	warn $@ if $@;	314	warn $@ if $@;
274	undef $busy;	315	undef $busy;
275	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
276		317
277	while ($busy) {	318	while ($busy) {
278	unless (Coro::cede) {	319	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	}	320	}
283		321
284	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
285	} else {	323	} else {
286	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
…		…
289	}	327	}
290	}	328	}
291		329
292	=item $coro = cf::async_ext { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
293		331
294	Like async, but this coro is automcatially being canceled when the	332	Like async, but this coro is automatically being canceled when the
295	extension calling this is being unloaded.	333	extension calling this is being unloaded.
296		334
297	=cut	335	=cut
298		336
299	sub async_ext(&) {	337	sub async_ext(&) {
…		…
313	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
314		352
315	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
316	or return;	354	or return;
317		355
		356	my $value = $cf::RUNTIME + 90 + 10;
318	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
319	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
320	and return;	361	and return;
321		362
322	aio_fsync $fh	363	aio_fsync $fh
323	and return;	364	and return;
…		…
332	}	373	}
333		374
334	=back	375	=back
335		376
336	=cut	377	=cut
337
338	#############################################################################
339
340	package cf::path;
341
342	sub new {
343	my ($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		378
458	#############################################################################	379	#############################################################################
459		380
460	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
461		382
…		…
587	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
588	our @CB_MAP = ();	509	our @CB_MAP = ();
589		510
590	my %attachment;	511	my %attachment;
591		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
592	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
593	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
594		521
595	use sort 'stable';	522	use sort 'stable';
596		523
…		…
767	# object support	694	# object support
768		695
769	sub reattach {	696	sub reattach {
770	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
771	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		701
773	my $registry = $obj->registry;	702	my $registry = $obj->registry;
774		703
775	@$registry = ();	704	@$registry = ();
776		705
…		…
847	}	776	}
848	} else {	777	} else {
849	aio_unlink $filename;	778	aio_unlink $filename;
850	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
851	}	780	}
		781
		782	#d##TODO# nuke non .map-files if exist
		783	if ($filename =~ s/\.map$//) {
		784	aio_unlink $filename;
		785	aio_unlink "$filename.pst";
		786	}
852	}	787	}
853	}	788	}
854		789
855	sub object_freezer_as_string {	790	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	791	my ($rdata, $objs) = @_;
…		…
862		797
863	sub object_thawer_load {	798	sub object_thawer_load {
864	my ($filename) = @_;	799	my ($filename) = @_;
865		800
866	my ($data, $av);	801	my ($data, $av);
		802
		803	#d#TODO remove .map if file does not exist
		804	aio_stat $filename and $filename =~ s/\.map$//;
867		805
868	(aio_load $filename, $data) >= 0	806	(aio_load $filename, $data) >= 0
869	or return;	807	or return;
870		808
871	unless (aio_stat "$filename.pst") {	809	unless (aio_stat "$filename.pst") {
…		…
908	=cut	846	=cut
909		847
910	sub register_extcmd {	848	sub register_extcmd {
911	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
912		850
913	my $caller = caller;
914	#warn "registering extcmd '$name' to '$caller'";
915
916	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
917	}	852	}
918		853
919	cf::player->attach (	854	cf::player->attach (
920	on_command => sub {	855	on_command => sub {
921	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
934		869
935	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
936		871
937	if (ref $msg) {	872	if (ref $msg) {
938	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
939	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
940	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
941	}	876	}
942	}	877	}
943	} else {	878	} else {
944	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
946		881
947	cf::override;	882	cf::override;
948	},	883	},
949	);	884	);
950		885
951	sub register {
952	my ($base, $pkg) = @_;
953
954	#TODO
955	}
956
957	sub load_extension {	886	sub load_extension {
958	my ($path) = @_;	887	my ($path) = @_;
959		888
960	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
961	my $base = $1;	890	my $base = $1;
962	my $pkg = $1;	891	my $pkg = $1;
963	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
964	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
965		894
966	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
967		896
968	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
969	or die "$path: $!";	898	or die "$path: $!";
970		899
971	my $source =	900	my $source =
972	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
973	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
974	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
975	. "\n};\n1";	904	. "\n};\n1";
976		905
977	eval $source	906	unless (eval $source) {
978	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
979	: "extension disabled.\n";	908	: "extension disabled.\n";
980		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
981	push @exts, $pkg;	910	warn $@;
982	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
983		912	exit 1;
984	# no strict 'refs';	913	}
985	# @{"$pkg\::ISA"} = ext::;	914	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	# }	915	}
1000		916
1001	# remove commands	917	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	}	918	}
1026		919
1027	sub load_extensions {	920	sub load_extensions {
1028	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1029	next unless -r $ext;	922	next unless -r $ext;
…		…
1033	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1034	}	927	}
1035	}	928	}
1036		929
1037	#############################################################################	930	#############################################################################
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		931
1075	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1076		933
1077	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1078		935
		936	=cut
		937
		938	package cf::player;
		939
		940	use Coro::AIO;
		941
1079	=head3 cf::player	942	=head3 cf::player
1080		943
1081	=over 4	944	=over 4
1082		945
1083	=item cf::player::exists $login	946	=item cf::player::find $login
1084		947
1085	Returns true when the given account exists.	948	Returns the given player object, loading it if necessary (might block).
1086		949
1087	=cut	950	=cut
1088		951
1089	sub cf::player::exists($) {	952	sub playerdir($) {
1090	cf::player::find $_[0]	953	cf::localdir
1091	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	954	. "/"
		955	. cf::playerdir
		956	. "/"
		957	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		958	}
		959
		960	sub path($) {
		961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		962
		963	(playerdir $login) . "/$login.pl"
		964	}
		965
		966	sub find_active($) {
		967	$cf::PLAYER{$_[0]}
		968	and $cf::PLAYER{$_[0]}->active
		969	and $cf::PLAYER{$_[0]}
		970	}
		971
		972	sub exists($) {
		973	my ($login) = @_;
		974
		975	$cf::PLAYER{$login}
		976	or cf::sync_job { !aio_stat path $login }
		977	}
		978
		979	sub find($) {
		980	return $cf::PLAYER{$_[0]} || do {
		981	my $login = $_[0];
		982
		983	my $guard = cf::lock_acquire "user_find:$login";
		984
		985	$cf::PLAYER{$_[0]} || do {
		986	my $pl = load_pl path $login
		987	or return;
		988	$cf::PLAYER{$login} = $pl
		989	}
		990	}
		991	}
		992
		993	sub save($) {
		994	my ($pl) = @_;
		995
		996	return if $pl->{deny_save};
		997
		998	my $path = path $pl;
		999	my $guard = cf::lock_acquire "user_save:$path";
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	aio_mkdir playerdir $pl, 0770;
		1004	$pl->{last_save} = $cf::RUNTIME;
		1005
		1006	$pl->save_pl ($path);
		1007	Coro::cede;
		1008	}
		1009
		1010	sub new($) {
		1011	my ($login) = @_;
		1012
		1013	my $self = create;
		1014
		1015	$self->ob->name ($login);
		1016	$self->{deny_save} = 1;
		1017
		1018	$cf::PLAYER{$login} = $self;
		1019
		1020	$self
		1021	}
		1022
		1023	=item $pl->quit_character
		1024
		1025	Nukes the player without looking back. If logged in, the connection will
		1026	be destroyed. May block for a long time.
		1027
		1028	=cut
		1029
		1030	sub quit_character {
		1031	my ($pl) = @_;
		1032
		1033	$pl->{deny_save} = 1;
		1034	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1035
		1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1037	$pl->deactivate;
		1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1039	$pl->ns->destroy if $pl->ns;
		1040
		1041	my $path = playerdir $pl;
		1042	my $temp = "$path~$cf::RUNTIME~deleting~";
		1043	aio_rename $path, $temp;
		1044	delete $cf::PLAYER{$pl->ob->name};
		1045	$pl->destroy;
		1046	IO::AIO::aio_rmtree $temp;
		1047	}
		1048
		1049	=item cf::player::list_logins
		1050
		1051	Returns am arrayref of all valid playernames in the system, can take a
		1052	while and may block, so not sync_job-capable, ever.
		1053
		1054	=cut
		1055
		1056	sub list_logins {
		1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1058	or return [];
		1059
		1060	my @logins;
		1061
		1062	for my $login (@$dirs) {
		1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1064	aio_read $fh, 0, 512, my $buf, 0 or next;
		1065	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1066
		1067	utf8::decode $login;
		1068	push @logins, $login;
		1069	}
		1070
		1071	\@logins
		1072	}
		1073
		1074	=item $player->maps
		1075
		1076	Returns an arrayref of map paths that are private for this
		1077	player. May block.
		1078
		1079	=cut
		1080
		1081	sub maps($) {
		1082	my ($pl) = @_;
		1083
		1084	$pl = ref $pl ? $pl->ob->name : $pl;
		1085
		1086	my $files = aio_readdir playerdir $pl
		1087	or return;
		1088
		1089	my @paths;
		1090
		1091	for (@$files) {
		1092	utf8::decode $_;
		1093	next if /\.(?:pl|pst)$/;
		1094	next unless /^$PATH_SEP/o;
		1095
		1096	push @paths, cf::map::normalise "~$pl/$_";
		1097	}
		1098
		1099	\@paths
1092	}	1100	}
1093		1101
1094	=item $player->ext_reply ($msgid, $msgtype, %msg)	1102	=item $player->ext_reply ($msgid, $msgtype, %msg)
1095		1103
1096	Sends an ext reply to the player.	1104	Sends an ext reply to the player.
1097		1105
1098	=cut	1106	=cut
1099		1107
1100	sub cf::player::ext_reply($$$%) {	1108	sub ext_reply($$$%) {
1101	my ($self, $id, %msg) = @_;	1109	my ($self, $id, %msg) = @_;
1102		1110
1103	$msg{msgid} = $id;	1111	$msg{msgid} = $id;
1104		1112
1105	$self->send ("ext " . to_json \%msg);	1113	$self->send ("ext " . cf::to_json \%msg);
1106	}	1114	}
		1115
		1116	package cf;
1107		1117
1108	=back	1118	=back
1109		1119
1110		1120
1111	=head3 cf::map	1121	=head3 cf::map
…		…
1117	package cf::map;	1127	package cf::map;
1118		1128
1119	use Fcntl;	1129	use Fcntl;
1120	use Coro::AIO;	1130	use Coro::AIO;
1121		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1122	our $MAX_RESET = 3600;	1136	our $MAX_RESET = 3600;
1123	our $DEFAULT_RESET = 3000;	1137	our $DEFAULT_RESET = 3000;
1124		1138
1125	sub generate_random_map {	1139	sub generate_random_map {
1126	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1127
1128	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1129	cf::map::_create_random_map	1142	$self->_create_random_map (
1130	$path,
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region})	1153	(cf::region::find $rmp->{region}), $rmp->{custom}
		1154	)
		1155	}
		1156
		1157	=item cf::map->register ($regex, $prio)
		1158
		1159	Register a handler for the map path matching the given regex at the
		1160	givne priority (higher is better, built-in handlers have priority 0, the
		1161	default).
		1162
		1163	=cut
		1164
		1165	sub register {
		1166	my (undef, $regex, $prio) = @_;
		1167	my $pkg = caller;
		1168
		1169	no strict;
		1170	push @{"$pkg\::ISA"}, __PACKAGE__;
		1171
		1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1173	}
		1174
		1175	# also paths starting with '/'
		1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1177
		1178	sub thawer_merge {
		1179	my ($self, $merge) = @_;
		1180
		1181	# we have to keep some variables in memory intact
		1182	local $self->{path};
		1183	local $self->{load_path};
		1184	local $self->{deny_save};
		1185	local $self->{deny_reset};
		1186
		1187	$self->SUPER::thawer_merge ($merge);
		1188	}
		1189
		1190	sub normalise {
		1191	my ($path, $base) = @_;
		1192
		1193	$path = "$path"; # make sure its a string
		1194
		1195	$path =~ s/\.map$//;
		1196
		1197	# map plan:
		1198	#
		1199	# /! non-realised random map exit (special hack!)
		1200	# {... are special paths that are not being touched
		1201	# ?xxx/... are special absolute paths
		1202	# ?random/... random maps
		1203	# /... normal maps
		1204	# ~user/... per-player map of a specific user
		1205
		1206	$path =~ s/$PATH_SEP/\//go;
		1207
		1208	# treat it as relative path if it starts with
		1209	# something that looks reasonable
		1210	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1211	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1212
		1213	$base =~ s{[^/]+/?$}{};
		1214	$path = "$base/$path";
		1215	}
		1216
		1217	for ($path) {
		1218	redo if s{//}{/};
		1219	redo if s{/\.?/}{/};
		1220	redo if s{/[^/]+/\.\./}{/};
		1221	}
		1222
		1223	$path
		1224	}
		1225
		1226	sub new_from_path {
		1227	my (undef, $path, $base) = @_;
		1228
		1229	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1230
		1231	$path = normalise $path, $base;
		1232
		1233	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1234	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1235	my $self = bless cf::map::new, $pkg;
		1236	$self->{path} = $path; $self->path ($path);
		1237	$self->init; # pass $1 etc.
		1238	return $self;
		1239	}
		1240	}
		1241
		1242	Carp::carp "unable to resolve path '$path' (base '$base').";
		1243	()
		1244	}
		1245
		1246	sub init {
		1247	my ($self) = @_;
		1248
		1249	$self
		1250	}
		1251
		1252	sub as_string {
		1253	my ($self) = @_;
		1254
		1255	"$self->{path}"
		1256	}
		1257
		1258	# the displayed name, this is a one way mapping
		1259	sub visible_name {
		1260	&as_string
		1261	}
		1262
		1263	# the original (read-only) location
		1264	sub load_path {
		1265	my ($self) = @_;
		1266
		1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1268	}
		1269
		1270	# the temporary/swap location
		1271	sub save_path {
		1272	my ($self) = @_;
		1273
		1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1276	}
		1277
		1278	# the unique path, undef == no special unique path
		1279	sub uniq_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1142	}	1284	}
1143		1285
1144	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1145	# all maps in C++...	1287	# all maps in C++...
1146	sub change_all_map_light {	1288	sub change_all_map_light {
…		…
1148		1290
1149	$_->change_map_light ($change)	1291	$_->change_map_light ($change)
1150	for grep $_->outdoor, values %cf::MAP;	1292	for grep $_->outdoor, values %cf::MAP;
1151	}	1293	}
1152		1294
		1295	sub unlink_save {
		1296	my ($self) = @_;
		1297
		1298	utf8::encode (my $save = $self->save_path);
		1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1301
		1302	#d#TODO remove .map and also nuke
		1303	$save =~ s/\.map// or return;#d#
		1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1306	}
		1307
1153	sub try_load_header($) {	1308	sub load_header_from($) {
1154	my ($path) = @_;	1309	my ($self, $path) = @_;
1155		1310
1156	utf8::encode $path;	1311	utf8::encode $path;
1157	aio_open $path, O_RDONLY, 0	1312	#aio_open $path, O_RDONLY, 0
		1313	# or return;
		1314
		1315	$self->_load_header ($path)
1158	or return;	1316	or return;
1159		1317
1160	my $map = cf::map::new	1318	$self->{load_path} = $path;
		1319
		1320	1
		1321	}
		1322
		1323	sub load_header_orig {
		1324	my ($self) = @_;
		1325
		1326	$self->load_header_from ($self->load_path)
		1327	}
		1328
		1329	sub load_header_temp {
		1330	my ($self) = @_;
		1331
		1332	$self->load_header_from ($self->save_path)
		1333	}
		1334
		1335	sub prepare_temp {
		1336	my ($self) = @_;
		1337
		1338	$self->last_access ((delete $self->{last_access})
		1339	|| $cf::RUNTIME); #d#
		1340	# safety
		1341	$self->{instantiate_time} = $cf::RUNTIME
		1342	if $self->{instantiate_time} > $cf::RUNTIME;
		1343	}
		1344
		1345	sub prepare_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->{load_original} = 1;
		1349	$self->{instantiate_time} = $cf::RUNTIME;
		1350	$self->last_access ($cf::RUNTIME);
		1351	$self->instantiate;
		1352	}
		1353
		1354	sub load_header {
		1355	my ($self) = @_;
		1356
		1357	if ($self->load_header_temp) {
		1358	$self->prepare_temp;
		1359	} else {
		1360	$self->load_header_orig
1161	or return;	1361	or return;
		1362	$self->prepare_orig;
		1363	}
1162		1364
1163	# for better error messages only, will be overwritten	1365	1
1164	$map->path ($path);
1165
1166	$map->load_header ($path)
1167	or return;
1168
1169	$map->{load_path} = $path;
1170
1171	$map
1172	}	1366	}
1173		1367
1174	sub find;	1368	sub find;
1175	sub find {	1369	sub find {
1176	my ($path, $origin) = @_;	1370	my ($path, $origin) = @_;
1177		1371
1178	#warn "find<$path,$origin>\n";#d#
1179
1180	$path = new cf::path $path, $origin && $origin->path;	1372	$path = normalise $path, $origin && $origin->path;
1181	my $key = $path->as_string;
1182		1373
1183	cf::lock_wait "map_find:$key";	1374	cf::lock_wait "map_find:$path";
1184		1375
1185	$cf::MAP{$key} || do {	1376	$cf::MAP{$path} || do {
1186	my $guard = cf::lock_acquire "map_find:$key";	1377	my $guard = cf::lock_acquire "map_find:$path";
1187		1378	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;	1379	or return;
1207		1380
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;	1381	$map->{last_save} = $cf::RUNTIME;
1220		1382
1221	Coro::cede;	1383	$map->load_header
		1384	or return;
1222		1385
1223	if ($map->should_reset) {	1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1387	# doing this can freeze the server in a sync job, obviously
		1388	#$cf::WAIT_FOR_TICK->wait;
1224	$map->reset;	1389	$map->reset;
1225	undef $guard;	1390	undef $guard;
1226	$map = find $path	1391	return find $path;
1227	or return;
1228	}	1392	}
1229		1393
1230	$cf::MAP{$key} = $map	1394	$cf::MAP{$path} = $map
1231	}	1395	}
1232	}	1396	}
		1397
		1398	sub pre_load { }
		1399	sub post_load { }
1233		1400
1234	sub load {	1401	sub load {
1235	my ($self) = @_;	1402	my ($self) = @_;
1236		1403
		1404	local $self->{deny_reset} = 1; # loading can take a long time
		1405
1237	my $path = $self->{path};	1406	my $path = $self->{path};
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1407	my $guard = cf::lock_acquire "map_load:$path";
1239		1408
1240	return if $self->in_memory != cf::MAP_SWAPPED;	1409	return if $self->in_memory != cf::MAP_SWAPPED;
1241		1410
1242	$self->in_memory (cf::MAP_LOADING);	1411	$self->in_memory (cf::MAP_LOADING);
1243		1412
1244	$self->alloc;	1413	$self->alloc;
		1414
		1415	$self->pre_load;
		1416
1245	$self->load_objects ($self->{load_path}, 1)	1417	$self->_load_objects ($self->{load_path}, 1)
1246	or return;	1418	or return;
1247		1419
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249	if delete $self->{load_original};	1421	if delete $self->{load_original};
1250		1422
1251	if (my $uniq = $path->uniq_path) {	1423	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	1424	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	1425	if (aio_open $uniq, O_RDONLY, 0) {
1254	$self->clear_unique_items;	1426	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	1427	$self->_load_objects ($uniq, 0);
1256	}	1428	}
1257	}	1429	}
1258		1430
1259	Coro::cede;	1431	Coro::cede;
1260		1432
1261	# now do the right thing for maps	1433	# now do the right thing for maps
1262	$self->link_multipart_objects;	1434	$self->link_multipart_objects;
1263		1435
1264	if ($self->{path}->is_style_map) {	1436	unless ($self->{deny_activate}) {
1265	$self->{deny_save} = 1;	1437	$self->decay_objects;
1266	$self->{deny_reset} = 1;
1267	} else {
1268	$self->fix_auto_apply;	1438	$self->fix_auto_apply;
1269	$self->decay_objects;
1270	$self->update_buttons;	1439	$self->update_buttons;
		1440	Coro::cede;
1271	$self->set_darkness_map;	1441	$self->set_darkness_map;
1272	$self->difficulty ($self->estimate_difficulty)	1442	$self->difficulty ($self->estimate_difficulty)
1273	unless $self->difficulty;	1443	unless $self->difficulty;
		1444	Coro::cede;
1274	$self->activate;	1445	$self->activate;
1275	}	1446	}
1276		1447
1277	Coro::cede;	1448	$self->post_load;
1278		1449
1279	$self->in_memory (cf::MAP_IN_MEMORY);	1450	$self->in_memory (cf::MAP_IN_MEMORY);
		1451	}
		1452
		1453	sub customise_for {
		1454	my ($self, $ob) = @_;
		1455
		1456	return find "~" . $ob->name . "/" . $self->{path}
		1457	if $self->per_player;
		1458
		1459	$self
		1460	}
		1461
		1462	# find and load all maps in the 3x3 area around a map
		1463	sub load_diag {
		1464	my ($map) = @_;
		1465
		1466	my @diag; # diagonal neighbours
		1467
		1468	for (0 .. 3) {
		1469	my $neigh = $map->tile_path ($_)
		1470	or next;
		1471	$neigh = find $neigh, $map
		1472	or next;
		1473	$neigh->load;
		1474
		1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1477	}
		1478
		1479	for (@diag) {
		1480	my $neigh = find @$_
		1481	or next;
		1482	$neigh->load;
		1483	}
1280	}	1484	}
1281		1485
1282	sub find_sync {	1486	sub find_sync {
1283	my ($path, $origin) = @_;	1487	my ($path, $origin) = @_;
1284		1488
1285	cf::sync_job { cf::map::find $path, $origin }	1489	cf::sync_job { find $path, $origin }
1286	}	1490	}
1287		1491
1288	sub do_load_sync {	1492	sub do_load_sync {
1289	my ($map) = @_;	1493	my ($map) = @_;
1290		1494
1291	cf::sync_job { $map->load };	1495	cf::sync_job { $map->load };
1292	}	1496	}
1293		1497
		1498	our %MAP_PREFETCH;
		1499	our $MAP_PREFETCHER = undef;
		1500
		1501	sub find_async {
		1502	my ($path, $origin) = @_;
		1503
		1504	$path = normalise $path, $origin && $origin->{path};
		1505
		1506	if (my $map = $cf::MAP{$path}) {
		1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1508	}
		1509
		1510	undef $MAP_PREFETCH{$path};
		1511	$MAP_PREFETCHER ||= cf::async {
		1512	while (%MAP_PREFETCH) {
		1513	for my $path (keys %MAP_PREFETCH) {
		1514	my $map = find $path
		1515	or next;
		1516	$map->load;
		1517
		1518	delete $MAP_PREFETCH{$path};
		1519	}
		1520	}
		1521	undef $MAP_PREFETCHER;
		1522	};
		1523	$MAP_PREFETCHER->prio (6);
		1524
		1525	()
		1526	}
		1527
1294	sub save {	1528	sub save {
1295	my ($self) = @_;	1529	my ($self) = @_;
1296		1530
1297	my $lock = cf::lock_acquire "map_data:" . $self->path;	1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
1298		1532
1299	$self->{last_save} = $cf::RUNTIME;	1533	$self->{last_save} = $cf::RUNTIME;
1300		1534
1301	return unless $self->dirty;	1535	return unless $self->dirty;
1302		1536
1303	my $save = $self->{path}->save_path; utf8::encode $save;	1537	my $save = $self->save_path; utf8::encode $save;
1304	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1538	my $uniq = $self->uniq_path; utf8::encode $uniq;
1305		1539
1306	$self->{load_path} = $save;	1540	$self->{load_path} = $save;
1307		1541
1308	return if $self->{deny_save};	1542	return if $self->{deny_save};
1309		1543
1310	local $self->{last_access} = $self->last_access;#d#	1544	local $self->{last_access} = $self->last_access;#d#
1311		1545
		1546	cf::async {
		1547	$_->contr->save for $self->players;
		1548	};
		1549
1312	if ($uniq) {	1550	if ($uniq) {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314	$self->save_objects ($uniq, cf::IO_UNIQUES);	1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1315	} else {	1553	} else {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1317	}	1555	}
1318	}	1556	}
1319		1557
1320	sub swap_out {	1558	sub swap_out {
1321	my ($self) = @_;	1559	my ($self) = @_;
…		…
1335		1573
1336	sub reset_at {	1574	sub reset_at {
1337	my ($self) = @_;	1575	my ($self) = @_;
1338		1576
1339	# TODO: safety, remove and allow resettable per-player maps	1577	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1579	return 1e99 if $self->{deny_reset};
1342		1580
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1583
…		…
1350	my ($self) = @_;	1588	my ($self) = @_;
1351		1589
1352	$self->reset_at <= $cf::RUNTIME	1590	$self->reset_at <= $cf::RUNTIME
1353	}	1591	}
1354		1592
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1593	sub reset {
1377	my ($self) = @_;	1594	my ($self) = @_;
1378		1595
1379	my $lock = cf::lock_acquire "map_data:" . $self->path;	1596	my $lock = cf::lock_acquire "map_data:$self->{path}";
1380		1597
1381	return if $self->players;	1598	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1599	return if $self->isa ("ext::map_per_player");#d#
1383		1600
1384	warn "resetting map ", $self->path;#d#	1601	warn "resetting map ", $self->path;#d#
1385		1602
1386	delete $cf::MAP{$self->path};	1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->in_memory (cf::MAP_SWAPPED);
		1606	$self->clear;
1387		1607
1388	$_->clear_links_to ($self) for values %cf::MAP;	1608	$_->clear_links_to ($self) for values %cf::MAP;
1389		1609
1390	$self->unlink_save;	1610	$self->unlink_save;
1391	$self->destroy;	1611	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1614	my $nuke_counter = "aaaa";
1395		1615
1396	sub nuke {	1616	sub nuke {
1397	my ($self) = @_;	1617	my ($self) = @_;
1398		1618
		1619	delete $cf::MAP{$self->path};
		1620
		1621	$self->unlink_save;
		1622
		1623	bless $self, "cf::map";
		1624	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1625	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1626	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1628
		1629	$cf::MAP{$self->path} = $self;
		1630
1402	$self->reset; # polite request, might not happen	1631	$self->reset; # polite request, might not happen
1403	}	1632	}
1404		1633
1405	sub customise_for {	1634	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1635
1408	if ($map->per_player) {	1636	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1637	instantiated unique items. May block.
1410	}
1411		1638
1412	$map	1639	=cut
1413	}
1414		1640
1415	sub emergency_save {	1641	sub unique_maps() {
1416	my $freeze_guard = cf::freeze_mainloop;	1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1643	or return;
1417		1644
1418	warn "enter emergency map save\n";	1645	my @paths;
1419		1646
1420	cf::sync_job {	1647	for (@$files) {
1421	warn "begin emergency map save\n";	1648	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1649	next if /\.pst$/;
		1650	next unless /^$PATH_SEP/o;
		1651
		1652	push @paths, cf::map::normalise $_;
1423	};	1653	}
1424		1654
1425	warn "end emergency map save\n";	1655	\@paths
1426	}	1656	}
1427		1657
1428	package cf;	1658	package cf;
1429		1659
1430	=back	1660	=back
1431		1661
		1662	=head3 cf::object
		1663
		1664	=cut
		1665
		1666	package cf::object;
		1667
		1668	=over 4
		1669
		1670	=item $ob->inv_recursive
		1671
		1672	Returns the inventory of the object _and_ their inventories, recursively.
		1673
		1674	=cut
		1675
		1676	sub inv_recursive_;
		1677	sub inv_recursive_ {
		1678	map { $_, inv_recursive_ $_->inv } @_
		1679	}
		1680
		1681	sub inv_recursive {
		1682	inv_recursive_ inv $_[0]
		1683	}
		1684
		1685	package cf;
		1686
		1687	=back
1432		1688
1433	=head3 cf::object::player	1689	=head3 cf::object::player
1434		1690
1435	=over 4	1691	=over 4
1436		1692
…		…
1476		1732
1477	=item $player_object->enter_link	1733	=item $player_object->enter_link
1478		1734
1479	Freezes the player and moves him/her to a special map (C<{link}>).	1735	Freezes the player and moves him/her to a special map (C<{link}>).
1480		1736
1481	The player should be reaosnably safe there for short amounts of time. You	1737	The player should be reasonably safe there for short amounts of time. You
1482	I<MUST> call C<leave_link> as soon as possible, though.	1738	I<MUST> call C<leave_link> as soon as possible, though.
1483		1739
		1740	Will never block.
		1741
1484	=item $player_object->leave_link ($map, $x, $y)	1742	=item $player_object->leave_link ($map, $x, $y)
1485		1743
1486	Moves the player out of the specila link map onto the given map. If the	1744	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	1745	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	1746	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1747	fails, to the emergency map position.
1490		1748
1491	Might block.	1749	Might block.
1492		1750
1493	=cut	1751	=cut
		1752
		1753	sub link_map {
		1754	unless ($LINK_MAP) {
		1755	$LINK_MAP = cf::map::find "{link}"
		1756	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1757	$LINK_MAP->load;
		1758	}
		1759
		1760	$LINK_MAP
		1761	}
1494		1762
1495	sub cf::object::player::enter_link {	1763	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1764	my ($self) = @_;
1497		1765
1498	$self->deactivate_recursive;	1766	$self->deactivate_recursive;
1499		1767
1500	return if $self->map == $LINK_MAP;	1768	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1769
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1771	if $self->map;
1504		1772
1505	$self->enter_map ($LINK_MAP, 20, 20);	1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1774	}
1507		1775
1508	sub cf::object::player::leave_link {	1776	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1777	my ($self, $map, $x, $y) = @_;
1510		1778
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1796	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1797	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1798	if $x <=0 && $y <= 0;
1531		1799
1532	$map->load;	1800	$map->load;
		1801	$map->load_diag;
1533		1802
		1803	return unless $self->contr->active;
1534	$self->activate_recursive;	1804	$self->activate_recursive;
1535	$self->enter_map ($map, $x, $y);	1805	$self->enter_map ($map, $x, $y);
1536	}	1806	}
1537		1807
1538	cf::player->attach (	1808	cf::player->attach (
…		…
1550	my ($pl) = @_;	1820	my ($pl) = @_;
1551		1821
1552	# try to abort aborted map switching on player login :)	1822	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1823	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1824	if ($pl->ob->{_link_pos}) {
1555
1556	$pl->ob->enter_link;	1825	$pl->ob->enter_link;
1557	(async {	1826	(async {
1558	# we need this sleep as the login has a concurrent enter_exit running	1827	# we need this sleep as the login has a concurrent enter_exit running
1559	# and this sleep increases chances of the player not ending up in scorn	1828	# and this sleep increases chances of the player not ending up in scorn
1560	$pl->ob->reply (undef,	1829	$pl->ob->reply (undef,
…		…
1576	my ($self, $path, $x, $y) = @_;	1845	my ($self, $path, $x, $y) = @_;
1577		1846
1578	$self->enter_link;	1847	$self->enter_link;
1579		1848
1580	(async {	1849	(async {
1581	$path = new cf::path $path;	1850	my $map = eval {
1582
1583	my $map = cf::map::find $path->as_string;	1851	my $map = cf::map::find $path;
1584	$map = $map->customise_for ($self) if $map;	1852	$map = $map->customise_for ($self) if $map;
1585		1853	$map
1586	# warn "entering ", $map->path, " at ($x, $y)\n"	1854	} or
1587	# if $map;
1588
1589	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1590		1856
1591	$self->leave_link ($map, $x, $y);	1857	$self->leave_link ($map, $x, $y);
1592	})->prio (1);	1858	})->prio (1);
1593	}	1859	}
1594		1860
…		…
1598		1864
1599	sub parse_random_map_params {	1865	sub parse_random_map_params {
1600	my ($spec) = @_;	1866	my ($spec) = @_;
1601		1867
1602	my $rmp = { # defaults	1868	my $rmp = { # defaults
1603	xsize => 10,	1869	xsize => (cf::rndm 15, 40),
1604	ysize => 10,	1870	ysize => (cf::rndm 15, 40),
		1871	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1872	#layout => string,
1605	};	1873	};
1606		1874
1607	for (split /\n/, $spec) {	1875	for (split /\n/, $spec) {
1608	my ($k, $v) = split /\s+/, $_, 2;	1876	my ($k, $v) = split /\s+/, $_, 2;
1609		1877
…		…
1613	$rmp	1881	$rmp
1614	}	1882	}
1615		1883
1616	sub prepare_random_map {	1884	sub prepare_random_map {
1617	my ($exit) = @_;	1885	my ($exit) = @_;
		1886
		1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1618		1888
1619	# all this does is basically replace the /! path by	1889	# all this does is basically replace the /! path by
1620	# a new random map path (?random/...) with a seed	1890	# a new random map path (?random/...) with a seed
1621	# that depends on the exit object	1891	# that depends on the exit object
1622		1892
1623	my $rmp = parse_random_map_params $exit->msg;	1893	my $rmp = parse_random_map_params $exit->msg;
1624		1894
1625	if ($exit->map) {	1895	if ($exit->map) {
1626	$rmp->{region} = $exit->map->region_name;	1896	$rmp->{region} = $exit->region->name;
1627	$rmp->{origin_map} = $exit->map->path;	1897	$rmp->{origin_map} = $exit->map->path;
1628	$rmp->{origin_x} = $exit->x;	1898	$rmp->{origin_x} = $exit->x;
1629	$rmp->{origin_y} = $exit->y;	1899	$rmp->{origin_y} = $exit->y;
1630	}	1900	}
1631		1901
1632	$rmp->{random_seed} ||= $exit->random_seed;	1902	$rmp->{random_seed} ||= $exit->random_seed;
1633		1903
1634	my $data = cf::to_json $rmp;	1904	my $data = cf::to_json $rmp;
1635	my $md5 = Digest::MD5::md5_hex $data;	1905	my $md5 = Digest::MD5::md5_hex $data;
		1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1636		1907
1637	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1638	aio_write $fh, 0, (length $data), $data, 0;	1909	aio_write $fh, 0, (length $data), $data, 0;
		1910	undef $fh;
		1911	aio_rename "$meta~", $meta;
1639		1912
1640	$exit->slaying ("?random/$md5");	1913	$exit->slaying ("?random/$md5");
1641	$exit->msg (undef);	1914	$exit->msg (undef);
1642	}	1915	}
1643	}	1916	}
1644		1917
1645	sub cf::object::player::enter_exit {	1918	sub cf::object::player::enter_exit {
1646	my ($self, $exit) = @_;	1919	my ($self, $exit) = @_;
1647		1920
1648	return unless $self->type == cf::PLAYER;	1921	return unless $self->type == cf::PLAYER;
		1922
		1923	if ($exit->slaying eq "/!") {
		1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1925	cf::sync_job { prepare_random_map $exit };
		1926	}
		1927
		1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1929	my $hp = $exit->stats->hp;
		1930	my $sp = $exit->stats->sp;
1649		1931
1650	$self->enter_link;	1932	$self->enter_link;
1651		1933
1652	(async {	1934	(async {
1653	$self->deactivate_recursive; # just to be sure	1935	$self->deactivate_recursive; # just to be sure
1654	unless (eval {	1936	unless (eval {
1655	prepare_random_map $exit	1937	$self->goto ($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		1938
1661	1;	1939	1;
1662	}) {	1940	}) {
1663	$self->message ("Something went wrong deep within the crossfire server. "	1941	$self->message ("Something went wrong deep within the crossfire server. "
1664	. "I'll try to bring you back to the map you were before. "	1942	. "I'll try to bring you back to the map you were before. "
1665	. "Please report this to the dungeon master",	1943	. "Please report this to the dungeon master!",
1666	cf::NDI_UNIQUE | cf::NDI_RED);	1944	cf::NDI_UNIQUE | cf::NDI_RED);
1667		1945
1668	warn "ERROR in enter_exit: $@";	1946	warn "ERROR in enter_exit: $@";
1669	$self->leave_link;	1947	$self->leave_link;
1670	}	1948	}
…		…
1725	# get handled first	2003	# get handled first
1726	my $queue = delete $ns->{query_queue}	2004	my $queue = delete $ns->{query_queue}
1727	or return; # be conservative, not sure how that can happen, but we saw a crash here	2005	or return; # be conservative, not sure how that can happen, but we saw a crash here
1728		2006
1729	(shift @$queue)->[1]->($msg);	2007	(shift @$queue)->[1]->($msg);
		2008	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1730		2009
1731	push @{ $ns->{query_queue} }, @$queue;	2010	push @{ $ns->{query_queue} }, @$queue;
1732		2011
1733	if (@{ $ns->{query_queue} } == @$queue) {	2012	if (@{ $ns->{query_queue} } == @$queue) {
1734	if (@$queue) {	2013	if (@$queue) {
…		…
1953	sub db_sync() {	2232	sub db_sync() {
1954	db_save if $dirty;	2233	db_save if $dirty;
1955	undef $dirty;	2234	undef $dirty;
1956	}	2235	}
1957		2236
1958	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2237	my $idle = Event->idle (
1959	db_sync;	2238	reentrant => 0,
		2239	min => 10,
		2240	max => 20,
		2241	repeat => 0,
		2242	data => WF_AUTOCANCEL,
		2243	cb => \&db_sync,
1960	});	2244	);
1961		2245
1962	sub db_dirty() {	2246	sub db_dirty() {
1963	$dirty = 1;	2247	$dirty = 1;
1964	$idle->start;	2248	$idle->start;
1965	}	2249	}
…		…
1986	},	2270	},
1987	);	2271	);
1988	}	2272	}
1989		2273
1990	#############################################################################	2274	#############################################################################
1991	# the server's main()	2275	# the server's init and main functions
		2276
		2277	sub load_resources {
		2278	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2279	or die "unable to load regions file\n";#d#
		2280	}
1992		2281
1993	sub cfg_load {	2282	sub cfg_load {
1994	open my $fh, "<:utf8", cf::confdir . "/config"	2283	open my $fh, "<:utf8", cf::confdir . "/config"
1995	or return;	2284	or return;
1996		2285
…		…
2002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2291	$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};	2292	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2004		2293
2005	if (exists $CFG{mlockall}) {	2294	if (exists $CFG{mlockall}) {
2006	eval {	2295	eval {
2007	$CFG{mlockall} ? &mlockall : &munlockall	2296	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008	and die "WARNING: m(un)lockall failed: $!\n";	2297	and die "WARNING: m(un)lockall failed: $!\n";
2009	};	2298	};
2010	warn $@ if $@;	2299	warn $@ if $@;
2011	}	2300	}
		2301	}
		2302
		2303	sub init {
		2304	load_resources;
2012	}	2305	}
2013		2306
2014	sub main {	2307	sub main {
2015	# we must not ever block the main coroutine	2308	# we must not ever block the main coroutine
2016	local $Coro::idle = sub {	2309	local $Coro::idle = sub {
2017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2310	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2311	(async {
2018	async { Event::one_event };	2312	Event::one_event;
		2313	})->prio (Coro::PRIO_MAX);
2019	};	2314	};
2020		2315
2021	cfg_load;	2316	cfg_load;
2022	db_load;	2317	db_load;
2023	load_extensions;	2318	load_extensions;
		2319
		2320	$TICK_WATCHER->start;
2024	Event::loop;	2321	Event::loop;
2025	}	2322	}
2026		2323
2027	#############################################################################	2324	#############################################################################
2028	# initialisation	2325	# initialisation and cleanup
		2326
		2327	# install some emergency cleanup handlers
		2328	BEGIN {
		2329	for my $signal (qw(INT HUP TERM)) {
		2330	Event->signal (
		2331	reentrant => 0,
		2332	data => WF_AUTOCANCEL,
		2333	signal => $signal,
		2334	prio => 0,
		2335	cb => sub {
		2336	cf::cleanup "SIG$signal";
		2337	},
		2338	);
		2339	}
		2340	}
		2341
		2342	sub emergency_save() {
		2343	my $freeze_guard = cf::freeze_mainloop;
		2344
		2345	warn "enter emergency perl save\n";
		2346
		2347	cf::sync_job {
		2348	# use a peculiar iteration method to avoid tripping on perl
		2349	# refcount bugs in for. also avoids problems with players
		2350	# and maps saved/destroyed asynchronously.
		2351	warn "begin emergency player save\n";
		2352	for my $login (keys %cf::PLAYER) {
		2353	my $pl = $cf::PLAYER{$login} or next;
		2354	$pl->valid or next;
		2355	$pl->save;
		2356	}
		2357	warn "end emergency player save\n";
		2358
		2359	warn "begin emergency map save\n";
		2360	for my $path (keys %cf::MAP) {
		2361	my $map = $cf::MAP{$path} or next;
		2362	$map->valid or next;
		2363	$map->save;
		2364	}
		2365	warn "end emergency map save\n";
		2366	};
		2367
		2368	warn "leave emergency perl save\n";
		2369	}
2029		2370
2030	sub reload() {	2371	sub reload() {
2031	# can/must only be called in main	2372	# can/must only be called in main
2032	if ($Coro::current != $Coro::main) {	2373	if ($Coro::current != $Coro::main) {
2033	warn "can only reload from main coroutine\n";	2374	warn "can only reload from main coroutine";
2034	return;	2375	return;
2035	}	2376	}
2036		2377
2037	warn "reloading...";	2378	warn "reloading...";
2038		2379
2039	my $guard = freeze_mainloop;	2380	warn "cancelling server ticker";
		2381	$TICK_WATCHER->cancel;
		2382
2040	cf::emergency_save;	2383	cf::emergency_save;
2041		2384
2042	eval {	2385	eval {
2043	# if anything goes wrong in here, we should simply crash as we already saved	2386	# if anything goes wrong in here, we should simply crash as we already saved
2044		2387
2045	# cancel all watchers	2388	warn "syncing database to disk";
		2389	cf::db_sync;
		2390
		2391	warn "cancelling all WF_AUTOCANCEL watchers";
2046	for (Event::all_watchers) {	2392	for (Event::all_watchers) {
2047	$_->cancel if $_->data & WF_AUTOCANCEL;	2393	$_->cancel if $_->data & WF_AUTOCANCEL;
2048	}	2394	}
2049		2395
		2396	warn "flushing outstanding aio requests";
		2397	for (;;) {
		2398	IO::AIO::flush;
		2399	Coro::cede;
		2400	last unless IO::AIO::nreqs;
		2401	warn "iterate...";
		2402	}
		2403
2050	# cancel all extension coros	2404	warn "cancelling all extension coros";
2051	$_->cancel for values %EXT_CORO;	2405	$_->cancel for values %EXT_CORO;
2052	%EXT_CORO = ();	2406	%EXT_CORO = ();
2053		2407
2054	# unload all extensions	2408	warn "removing commands";
2055	for (@exts) {	2409	%COMMAND = ();
		2410
		2411	warn "removing ext commands";
		2412	%EXTCMD = ();
		2413
		2414	warn "unloading/nuking all extensions";
		2415	for my $pkg (@EXTS) {
2056	warn "unloading <$_>";	2416	warn "... unloading $pkg";
2057	unload_extension $_;	2417
		2418	if (my $cb = $pkg->can ("unload")) {
		2419	eval {
		2420	$cb->($pkg);
		2421	1
		2422	} or warn "$pkg unloaded, but with errors: $@";
2058	}	2423	}
2059		2424
		2425	warn "... nuking $pkg";
		2426	Symbol::delete_package $pkg;
		2427	}
		2428
2060	# unload all modules loaded from $LIBDIR	2429	warn "unloading all perl modules loaded from $LIBDIR";
2061	while (my ($k, $v) = each %INC) {	2430	while (my ($k, $v) = each %INC) {
2062	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2431	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063		2432
2064	warn "removing <$k>";	2433	warn "... unloading $k";
2065	delete $INC{$k};	2434	delete $INC{$k};
2066		2435
2067	$k =~ s/\.pm$//;	2436	$k =~ s/\.pm$//;
2068	$k =~ s/\//::/g;	2437	$k =~ s/\//::/g;
2069		2438
…		…
2072	}	2441	}
2073		2442
2074	Symbol::delete_package $k;	2443	Symbol::delete_package $k;
2075	}	2444	}
2076		2445
2077	# sync database to disk
2078	cf::db_sync;
2079	IO::AIO::flush;
2080
2081	# get rid of safe::, as good as possible	2446	warn "getting rid of safe::, as good as possible";
2082	Symbol::delete_package "safe::$_"	2447	Symbol::delete_package "safe::$_"
2083	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2448	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2084		2449
2085	# remove register_script_function callbacks
2086	# TODO
2087
2088	# unload cf.pm "a bit"	2450	warn "unloading cf.pm \"a bit\"";
2089	delete $INC{"cf.pm"};	2451	delete $INC{"cf.pm"};
2090		2452
2091	# don't, removes xs symbols, too,	2453	# don't, removes xs symbols, too,
2092	# and global variables created in xs	2454	# and global variables created in xs
2093	#Symbol::delete_package __PACKAGE__;	2455	#Symbol::delete_package __PACKAGE__;
2094		2456
2095	# reload cf.pm	2457	warn "unload completed, starting to reload now";
		2458
2096	warn "reloading cf.pm";	2459	warn "reloading cf.pm";
2097	require cf;	2460	require cf;
2098	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2461	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2099		2462
2100	# load config and database again	2463	warn "loading config and database again";
2101	cf::cfg_load;	2464	cf::cfg_load;
2102	cf::db_load;	2465	cf::db_load;
2103		2466
2104	# load extensions
2105	warn "load extensions";	2467	warn "loading extensions";
2106	cf::load_extensions;	2468	cf::load_extensions;
2107		2469
2108	# reattach attachments to objects	2470	warn "reattaching attachments to objects/players";
2109	warn "reattach";
2110	_global_reattach;	2471	_global_reattach;
		2472	warn "reattaching attachments to maps";
		2473	reattach $_ for values %MAP;
		2474
		2475	warn "loading reloadable resources";
		2476	load_resources;
		2477
		2478	warn "restarting server ticker";
		2479
		2480	$TICK_WATCHER->start;
2111	};	2481	};
2112		2482
2113	if ($@) {	2483	if ($@) {
2114	warn $@;	2484	warn $@;
2115	warn "error while reloading, exiting.";	2485	warn "error while reloading, exiting.";
2116	exit 1;	2486	exit 1;
2117	}	2487	}
2118		2488
2119	warn "reloaded successfully";	2489	warn "reloaded";
2120	};	2490	};
2121		2491
2122	#############################################################################	2492	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} = $LINK_MAP;
2163	}
2164
2165	register "<global>", __PACKAGE__;
2166		2493
2167	register_command "reload" => sub {	2494	register_command "reload" => sub {
2168	my ($who, $arg) = @_;	2495	my ($who, $arg) = @_;
2169		2496
2170	if ($who->flag (FLAG_WIZ)) {	2497	if ($who->flag (FLAG_WIZ)) {
2171	$who->message ("start of reload.");	2498	$who->message ("reloading server.");
		2499
		2500	# doing reload synchronously and two reloads happen back-to-back,
		2501	# coro crashes during coro_state_free->destroy here.
		2502
		2503	$RELOAD_WATCHER ||= Event->timer (
		2504	reentrant => 0,
		2505	after => 0,
		2506	data => WF_AUTOCANCEL,
		2507	cb => sub {
2172	reload;	2508	reload;
2173	$who->message ("end of reload.");	2509	undef $RELOAD_WATCHER;
		2510	},
		2511	);
2174	}	2512	}
2175	};	2513	};
2176		2514
2177	unshift @INC, $LIBDIR;	2515	unshift @INC, $LIBDIR;
		2516
		2517	my $bug_warning = 0;
2178		2518
2179	$TICK_WATCHER = Event->timer (	2519	$TICK_WATCHER = Event->timer (
2180	reentrant => 0,	2520	reentrant => 0,
		2521	parked => 1,
2181	prio => 0,	2522	prio => 0,
2182	at => $NEXT_TICK || $TICK,	2523	at => $NEXT_TICK || $TICK,
2183	data => WF_AUTOCANCEL,	2524	data => WF_AUTOCANCEL,
2184	cb => sub {	2525	cb => sub {
		2526	if ($Coro::current != $Coro::main) {
		2527	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2528	unless ++$bug_warning > 10;
		2529	return;
		2530	}
		2531
		2532	$NOW = Event::time;
		2533
2185	cf::server_tick; # one server iteration	2534	cf::server_tick; # one server iteration
2186	$RUNTIME += $TICK;	2535	$RUNTIME += $TICK;
2187	$NEXT_TICK += $TICK;	2536	$NEXT_TICK += $TICK;
		2537
		2538	$WAIT_FOR_TICK->broadcast;
		2539	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2540
		2541	Event::sweep;
		2542	Coro::cede_notself;
		2543
		2544	# my $AFTER = Event::time;
		2545	# warn $AFTER - $NOW;#d#
2188		2546
2189	# if we are delayed by four ticks or more, skip them all	2547	# if we are delayed by four ticks or more, skip them all
2190	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2191		2549
2192	$TICK_WATCHER->at ($NEXT_TICK);	2550	$TICK_WATCHER->at ($NEXT_TICK);
2193	$TICK_WATCHER->start;	2551	$TICK_WATCHER->start;
2194	},	2552	},
2195	);	2553	);
2196		2554
2197	IO::AIO::max_poll_time $TICK * 0.2;	2555	IO::AIO::max_poll_time $TICK * 0.1;
2198		2556
2199	Event->io (	2557	undef $Coro::AIO::WATCHER;
		2558	$AIO_POLL_WATCHER = Event->io (
		2559	reentrant => 0,
2200	fd => IO::AIO::poll_fileno,	2560	fd => IO::AIO::poll_fileno,
2201	poll => 'r',	2561	poll => 'r',
2202	prio => 5,	2562	prio => 6,
2203	data => WF_AUTOCANCEL,	2563	data => WF_AUTOCANCEL,
2204	cb => \&IO::AIO::poll_cb,	2564	cb => \&IO::AIO::poll_cb,
2205	);	2565	);
2206		2566
2207	Event->timer (	2567	$WRITE_RUNTIME_WATCHER = Event->timer (
		2568	reentrant => 0,
2208	data => WF_AUTOCANCEL,	2569	data => WF_AUTOCANCEL,
2209	after => 0,	2570	after => 1,
2210	interval => 10,	2571	interval => 10,
2211	cb => sub {	2572	prio => 6, # keep it lowest so it acts like a watchdog
2212	(Coro::unblock_sub {	2573	cb => Coro::unblock_sub {
2213	write_runtime	2574	write_runtime
2214	or warn "ERROR: unable to write runtime file: $!";	2575	or warn "ERROR: unable to write runtime file: $!";
2215	})->();
2216	},	2576	},
2217	);	2577	);
2218		2578
2219	END { cf::emergency_save }	2579	END { cf::emergency_save }
2220		2580

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