ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.141 by root, Fri Jan 5 20:08:53 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 }
…		…
286	}	328	}
287	}	329	}
288		330
289	=item $coro = cf::async_ext { BLOCK }	331	=item $coro = cf::async_ext { BLOCK }
290		332
291	Like async, but this coro is automcatially being canceled when the	333	Like async, but this coro is automatically being canceled when the
292	extension calling this is being unloaded.	334	extension calling this is being unloaded.
293		335
294	=cut	336	=cut
295		337
296	sub async_ext(&) {	338	sub async_ext(&) {
…		…
310	my $runtime = cf::localdir . "/runtime";	352	my $runtime = cf::localdir . "/runtime";
311		353
312	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
313	or return;	355	or return;
314		356
		357	my $value = $cf::RUNTIME + 90 + 10;
315	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
316	(aio_write $fh, 0, (length $value), $value, 0) <= 0	361	(aio_write $fh, 0, (length $value), $value, 0) <= 0
317	and return;	362	and return;
318		363
		364	# always fsync - this file is important
319	aio_fsync $fh	365	aio_fsync $fh
320	and return;	366	and return;
321		367
322	close $fh	368	close $fh
323	or return;	369	or return;
…		…
329	}	375	}
330		376
331	=back	377	=back
332		378
333	=cut	379	=cut
334
335	#############################################################################
336
337	package cf::path;
338
339	sub new {
340	my ($class, $path, $base) = @_;
341
342	$path = $path->as_string if ref $path;
343
344	my $self = bless { }, $class;
345
346	# {... are special paths that are not touched
347	# ?xxx/... are special absolute paths
348	# ?random/... random maps
349	# /! non-realised random map exit
350	# /... normal maps
351	# ~/... per-player maps without a specific player (DO NOT USE)
352	# ~user/... per-player map of a specific user
353
354	if ($path =~ /^{/) {
355	# fine as it is
356	} elsif ($path =~ s{^\?random/}{}) {
357	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
358	$self->{random} = cf::from_json $data;
359	} else {
360	if ($path =~ s{^~([^/]+)?}{}) {
361	$self->{user_rel} = 1;
362
363	if (defined $1) {
364	$self->{user} = $1;
365	} elsif ($base =~ m{^~([^/]+)/}) {
366	$self->{user} = $1;
367	} else {
368	warn "cannot resolve user-relative path without user <$path,$base>\n";
369	}
370	} elsif ($path =~ /^\//) {
371	# already absolute
372	} else {
373	$base =~ s{[^/]+/?$}{};
374	return $class->new ("$base/$path");
375	}
376
377	for ($path) {
378	redo if s{/\.?/}{/};
379	redo if s{/[^/]+/\.\./}{/};
380	}
381	}
382
383	$self->{path} = $path;
384
385	$self
386	}
387
388	# the name / primary key / in-game path
389	sub as_string {
390	my ($self) = @_;
391
392	$self->{user_rel} ? "~$self->{user}$self->{path}"
393	: $self->{random} ? "?random/$self->{path}"
394	: $self->{path}
395	}
396
397	# the displayed name, this is a one way mapping
398	sub visible_name {
399	my ($self) = @_;
400
401	# if (my $rmp = $self->{random}) {
402	# # todo: be more intelligent about this
403	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
404	# } else {
405	$self->as_string
406	# }
407	}
408
409	# escape the /'s in the path
410	sub _escaped_path {
411	# ∕ is U+2215
412	(my $path = $_[0]{path}) =~ s/\//∕/g;
413	$path
414	}
415
416	# the original (read-only) location
417	sub load_path {
418	my ($self) = @_;
419
420	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
421	}
422
423	# the temporary/swap location
424	sub save_path {
425	my ($self) = @_;
426
427	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
428	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
429	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
430	}
431
432	# the unique path, might be eq to save_path
433	sub uniq_path {
434	my ($self) = @_;
435
436	$self->{user_rel} || $self->{random}
437	? undef
438	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
439	}
440
441	# return random map parameters, or undef
442	sub random_map_params {
443	my ($self) = @_;
444
445	$self->{random}
446	}
447
448	# this is somewhat ugly, but style maps do need special treatment
449	sub is_style_map {
450	$_[0]{path} =~ m{^/styles/}
451	}
452
453	package cf;
454		380
455	#############################################################################	381	#############################################################################
456		382
457	=head2 ATTACHABLE OBJECTS	383	=head2 ATTACHABLE OBJECTS
458		384
…		…
584	our @CB_TYPE = (); # registry for type (cf-object class) based events	510	our @CB_TYPE = (); # registry for type (cf-object class) based events
585	our @CB_MAP = ();	511	our @CB_MAP = ();
586		512
587	my %attachment;	513	my %attachment;
588		514
		515	sub cf::attachable::thawer_merge {
		516	# simply override everything except _meta
		517	local $_[0]{_meta};
		518	%{$_[0]} = %{$_[1]};
		519	}
		520
589	sub _attach_cb($$$$) {	521	sub _attach_cb($$$$) {
590	my ($registry, $event, $prio, $cb) = @_;	522	my ($registry, $event, $prio, $cb) = @_;
591		523
592	use sort 'stable';	524	use sort 'stable';
593		525
…		…
764	# object support	696	# object support
765		697
766	sub reattach {	698	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	699	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	700	my ($obj) = @_;
		701
		702	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
769		703
770	my $registry = $obj->registry;	704	my $registry = $obj->registry;
771		705
772	@$registry = ();	706	@$registry = ();
773		707
…		…
820	$filename, length $$rdata, scalar @$objs;	754	$filename, length $$rdata, scalar @$objs;
821		755
822	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
823	chmod SAVE_MODE, $fh;	757	chmod SAVE_MODE, $fh;
824	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
825	aio_fsync $fh;	759	aio_fsync $fh if $cf::USE_FSYNC;
826	close $fh;	760	close $fh;
827		761
828	if (@$objs) {	762	if (@$objs) {
829	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) {
830	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
831	my $data = Storable::nfreeze { version => 1, objs => $objs };	765	my $data = Storable::nfreeze { version => 1, objs => $objs };
832	aio_write $fh, 0, (length $data), $data, 0;	766	aio_write $fh, 0, (length $data), $data, 0;
833	aio_fsync $fh;	767	aio_fsync $fh if $cf::USE_FSYNC;
834	close $fh;	768	close $fh;
835	aio_rename "$filename.pst~", "$filename.pst";	769	aio_rename "$filename.pst~", "$filename.pst";
836	}	770	}
837	} else {	771	} else {
838	aio_unlink "$filename.pst";	772	aio_unlink "$filename.pst";
…		…
844	}	778	}
845	} else {	779	} else {
846	aio_unlink $filename;	780	aio_unlink $filename;
847	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
848	}	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	}
849	}	789	}
850	}	790	}
851		791
852	sub object_freezer_as_string {	792	sub object_freezer_as_string {
853	my ($rdata, $objs) = @_;	793	my ($rdata, $objs) = @_;
…		…
859		799
860	sub object_thawer_load {	800	sub object_thawer_load {
861	my ($filename) = @_;	801	my ($filename) = @_;
862		802
863	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$//;
864		807
865	(aio_load $filename, $data) >= 0	808	(aio_load $filename, $data) >= 0
866	or return;	809	or return;
867		810
868	unless (aio_stat "$filename.pst") {	811	unless (aio_stat "$filename.pst") {
…		…
905	=cut	848	=cut
906		849
907	sub register_extcmd {	850	sub register_extcmd {
908	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
909		852
910	my $caller = caller;
911	#warn "registering extcmd '$name' to '$caller'";
912
913	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
914	}	854	}
915		855
916	cf::player->attach (	856	cf::player->attach (
917	on_command => sub {	857	on_command => sub {
918	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
931		871
932	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
933		873
934	if (ref $msg) {	874	if (ref $msg) {
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
936	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
937	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
938	}	878	}
939	}	879	}
940	} else {	880	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
943		883
944	cf::override;	884	cf::override;
945	},	885	},
946	);	886	);
947		887
948	sub register {
949	my ($base, $pkg) = @_;
950
951	#TODO
952	}
953
954	sub load_extension {	888	sub load_extension {
955	my ($path) = @_;	889	my ($path) = @_;
956		890
957	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
958	my $base = $1;	892	my $base = $1;
959	my $pkg = $1;	893	my $pkg = $1;
960	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
961	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
962		896
963	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
964		898
965	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
966	or die "$path: $!";	900	or die "$path: $!";
967		901
968	my $source =	902	my $source =
969	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
970	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
971	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
972	. "\n};\n1";	906	. "\n};\n1";
973		907
974	eval $source	908	unless (eval $source) {
975	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
976	: "extension disabled.\n";	910	: "extension disabled.\n";
977		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
978	push @exts, $pkg;	912	warn $@;
979	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
980		914	exit 1;
981	# no strict 'refs';	915	}
982	# @{"$pkg\::ISA"} = ext::;	916	die $@;
983
984	register $base, $pkg;
985	}
986
987	sub unload_extension {
988	my ($pkg) = @_;
989
990	warn "removing extension $pkg\n";
991
992	# remove hooks
993	#TODO
994	# for my $idx (0 .. $#PLUGIN_EVENT) {
995	# delete $hook[$idx]{$pkg};
996	# }	917	}
997		918
998	# remove commands	919	push @EXTS, $pkg;
999	for my $name (keys %COMMAND) {
1000	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1001
1002	if (@cb) {
1003	$COMMAND{$name} = \@cb;
1004	} else {
1005	delete $COMMAND{$name};
1006	}
1007	}
1008
1009	# remove extcmds
1010	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1011	delete $EXTCMD{$name};
1012	}
1013
1014	if (my $cb = $pkg->can ("unload")) {
1015	eval {
1016	$cb->($pkg);
1017	1
1018	} or warn "$pkg unloaded, but with errors: $@";
1019	}
1020
1021	Symbol::delete_package $pkg;
1022	}	920	}
1023		921
1024	sub load_extensions {	922	sub load_extensions {
1025	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1026	next unless -r $ext;	924	next unless -r $ext;
…		…
1030	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1031	}	929	}
1032	}	930	}
1033		931
1034	#############################################################################	932	#############################################################################
1035	# load/save/clean perl data associated with a map
1036
1037	*cf::mapsupport::on_clean = sub {
1038	my ($map) = @_;
1039
1040	my $path = $map->tmpname;
1041	defined $path or return;
1042
1043	unlink "$path.pst";
1044	};
1045
1046	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1047
1048	#############################################################################
1049	# load/save perl data associated with player->ob objects
1050
1051	sub all_objects(@) {
1052	@_, map all_objects ($_->inv), @_
1053	}
1054
1055	# TODO: compatibility cruft, remove when no longer needed
1056	cf::player->attach (
1057	on_load => sub {
1058	my ($pl, $path) = @_;
1059
1060	for my $o (all_objects $pl->ob) {
1061	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1062	$o->set_ob_key_value ("_perl_data");
1063
1064	%$o = %{ Storable::thaw pack "H*", $value };
1065	}
1066	}
1067	},
1068	);
1069
1070	#############################################################################
1071		933
1072	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1073		935
1074	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1075		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1076	=head3 cf::player	944	=head3 cf::player
1077		945
1078	=over 4	946	=over 4
1079		947
1080	=item cf::player::exists $login	948	=item cf::player::find $login
1081		949
1082	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1083		951
1084	=cut	952	=cut
1085		953
1086	sub cf::player::exists($) {	954	sub playerdir($) {
1087	cf::player::find $_[0]	955	cf::localdir
1088	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
1089	}	1102	}
1090		1103
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1104	=item $player->ext_reply ($msgid, $msgtype, %msg)
1092		1105
1093	Sends an ext reply to the player.	1106	Sends an ext reply to the player.
1094		1107
1095	=cut	1108	=cut
1096		1109
1097	sub cf::player::ext_reply($$$%) {	1110	sub ext_reply($$$%) {
1098	my ($self, $id, %msg) = @_;	1111	my ($self, $id, %msg) = @_;
1099		1112
1100	$msg{msgid} = $id;	1113	$msg{msgid} = $id;
1101		1114
1102	$self->send ("ext " . to_json \%msg);	1115	$self->send ("ext " . cf::to_json \%msg);
1103	}	1116	}
		1117
		1118	package cf;
1104		1119
1105	=back	1120	=back
1106		1121
1107		1122
1108	=head3 cf::map	1123	=head3 cf::map
…		…
1114	package cf::map;	1129	package cf::map;
1115		1130
1116	use Fcntl;	1131	use Fcntl;
1117	use Coro::AIO;	1132	use Coro::AIO;
1118		1133
		1134	use overload
		1135	'""' => \&as_string,
		1136	fallback => 1;
		1137
1119	our $MAX_RESET = 3600;	1138	our $MAX_RESET = 3600;
1120	our $DEFAULT_RESET = 3000;	1139	our $DEFAULT_RESET = 3000;
1121		1140
1122	sub generate_random_map {	1141	sub generate_random_map {
1123	my ($path, $rmp) = @_;	1142	my ($self, $rmp) = @_;
1124
1125	# mit "rum" bekleckern, nicht	1143	# mit "rum" bekleckern, nicht
1126	cf::map::_create_random_map	1144	$self->_create_random_map (
1127	$path,
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},	1148	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},	1149	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1152	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136	$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},
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1154	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(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
1139	}	1286	}
1140		1287
1141	# and all this just because we cannot iterate over	1288	# and all this just because we cannot iterate over
1142	# all maps in C++...	1289	# all maps in C++...
1143	sub change_all_map_light {	1290	sub change_all_map_light {
…		…
1145		1292
1146	$_->change_map_light ($change)	1293	$_->change_map_light ($change)
1147	for grep $_->outdoor, values %cf::MAP;	1294	for grep $_->outdoor, values %cf::MAP;
1148	}	1295	}
1149		1296
		1297	sub unlink_save {
		1298	my ($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
1150	sub try_load_header($) {	1310	sub load_header_from($) {
1151	my ($path) = @_;	1311	my ($self, $path) = @_;
1152		1312
1153	utf8::encode $path;	1313	utf8::encode $path;
1154	aio_open $path, O_RDONLY, 0	1314	#aio_open $path, O_RDONLY, 0
		1315	# or return;
		1316
		1317	$self->_load_header ($path)
1155	or return;	1318	or return;
1156		1319
1157	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
1158	or return;	1363	or return;
		1364	$self->prepare_orig;
		1365	}
1159		1366
1160	# for better error messages only, will be overwritten	1367	1
1161	$map->path ($path);
1162
1163	$map->load_header ($path)
1164	or return;
1165
1166	$map->{load_path} = $path;
1167
1168	$map
1169	}	1368	}
1170		1369
1171	sub find;	1370	sub find;
1172	sub find {	1371	sub find {
1173	my ($path, $origin) = @_;	1372	my ($path, $origin) = @_;
1174		1373
1175	#warn "find<$path,$origin>\n";#d#
1176
1177	$path = new cf::path $path, $origin && $origin->path;	1374	$path = normalise $path, $origin && $origin->path;
1178	my $key = $path->as_string;
1179		1375
1180	cf::lock_wait "map_find:$key";	1376	cf::lock_wait "map_find:$path";
1181		1377
1182	$cf::MAP{$key} || do {	1378	$cf::MAP{$path} || do {
1183	my $guard = cf::lock_acquire "map_find:$key";	1379	my $guard = cf::lock_acquire "map_find:$path";
1184		1380	my $map = new_from_path cf::map $path
1185	# do it the slow way
1186	my $map = try_load_header $path->save_path;
1187
1188	Coro::cede;
1189
1190	if ($map) {
1191	$map->last_access ((delete $map->{last_access})
1192	|| $cf::RUNTIME); #d#
1193	# safety
1194	$map->{instantiate_time} = $cf::RUNTIME
1195	if $map->{instantiate_time} > $cf::RUNTIME;
1196	} else {
1197	if (my $rmp = $path->random_map_params) {
1198	$map = generate_random_map $key, $rmp;
1199	} else {
1200	$map = try_load_header $path->load_path;
1201	}
1202
1203	$map or return;	1381	or return;
1204		1382
1205	$map->{load_original} = 1;
1206	$map->{instantiate_time} = $cf::RUNTIME;
1207	$map->last_access ($cf::RUNTIME);
1208	$map->instantiate;
1209
1210	# per-player maps become, after loading, normal maps
1211	$map->per_player (0) if $path->{user_rel};
1212	}
1213
1214	$map->path ($key);
1215	$map->{path} = $path;
1216	$map->{last_save} = $cf::RUNTIME;	1383	$map->{last_save} = $cf::RUNTIME;
1217		1384
1218	Coro::cede;	1385	$map->load_header
		1386	or return;
1219		1387
1220	if ($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;
1221	$map->reset;	1391	$map->reset;
1222	undef $guard;	1392	undef $guard;
1223	$map = find $path	1393	return find $path;
1224	or return;
1225	}	1394	}
1226		1395
1227	$cf::MAP{$key} = $map	1396	$cf::MAP{$path} = $map
1228	}	1397	}
1229	}	1398	}
		1399
		1400	sub pre_load { }
		1401	sub post_load { }
1230		1402
1231	sub load {	1403	sub load {
1232	my ($self) = @_;	1404	my ($self) = @_;
1233		1405
		1406	local $self->{deny_reset} = 1; # loading can take a long time
		1407
1234	my $path = $self->{path};	1408	my $path = $self->{path};
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1409	my $guard = cf::lock_acquire "map_load:$path";
1236		1410
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1411	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1412
1239	$self->in_memory (cf::MAP_LOADING);	1413	$self->in_memory (cf::MAP_LOADING);
1240		1414
1241	$self->alloc;	1415	$self->alloc;
		1416
		1417	$self->pre_load;
		1418
1242	$self->load_objects ($self->{load_path}, 1)	1419	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1420	or return;
1244		1421
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1423	if delete $self->{load_original};
1247		1424
1248	if (my $uniq = $path->uniq_path) {	1425	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1426	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1427	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1428	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1429	$self->_load_objects ($uniq, 0);
1253	}	1430	}
1254	}	1431	}
1255		1432
1256	Coro::cede;	1433	Coro::cede;
1257		1434
1258	# now do the right thing for maps	1435	# now do the right thing for maps
1259	$self->link_multipart_objects;	1436	$self->link_multipart_objects;
1260		1437
1261	if ($self->{path}->is_style_map) {	1438	unless ($self->{deny_activate}) {
1262	$self->{deny_save} = 1;	1439	$self->decay_objects;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;	1440	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;	1441	$self->update_buttons;
		1442	Coro::cede;
1268	$self->set_darkness_map;	1443	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1444	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1445	unless $self->difficulty;
		1446	Coro::cede;
1271	$self->activate;	1447	$self->activate;
1272	}	1448	}
1273		1449
1274	Coro::cede;	1450	$self->post_load;
1275		1451
1276	$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	$neigh->load;
		1485	}
1277	}	1486	}
1278		1487
1279	sub find_sync {	1488	sub find_sync {
1280	my ($path, $origin) = @_;	1489	my ($path, $origin) = @_;
1281		1490
1282	cf::sync_job { cf::map::find $path, $origin }	1491	cf::sync_job { find $path, $origin }
1283	}	1492	}
1284		1493
1285	sub do_load_sync {	1494	sub do_load_sync {
1286	my ($map) = @_;	1495	my ($map) = @_;
1287		1496
1288	cf::sync_job { $map->load };	1497	cf::sync_job { $map->load };
1289	}	1498	}
1290		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	$MAP_PREFETCHER->prio (6);
		1526
		1527	()
		1528	}
		1529
1291	sub save {	1530	sub save {
1292	my ($self) = @_;	1531	my ($self) = @_;
1293		1532
1294	my $lock = cf::lock_acquire "map_data:" . $self->path;	1533	my $lock = cf::lock_acquire "map_data:" . $self->path;
1295		1534
1296	$self->{last_save} = $cf::RUNTIME;	1535	$self->{last_save} = $cf::RUNTIME;
1297		1536
1298	return unless $self->dirty;	1537	return unless $self->dirty;
1299		1538
1300	my $save = $self->{path}->save_path; utf8::encode $save;	1539	my $save = $self->save_path; utf8::encode $save;
1301	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1540	my $uniq = $self->uniq_path; utf8::encode $uniq;
1302		1541
1303	$self->{load_path} = $save;	1542	$self->{load_path} = $save;
1304		1543
1305	return if $self->{deny_save};	1544	return if $self->{deny_save};
1306		1545
1307	local $self->{last_access} = $self->last_access;#d#	1546	local $self->{last_access} = $self->last_access;#d#
1308		1547
		1548	cf::async {
		1549	$_->contr->save for $self->players;
		1550	};
		1551
1309	if ($uniq) {	1552	if ($uniq) {
1310	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1311	$self->save_objects ($uniq, cf::IO_UNIQUES);	1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1312	} else {	1555	} else {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1314	}	1557	}
1315	}	1558	}
1316		1559
1317	sub swap_out {	1560	sub swap_out {
1318	my ($self) = @_;	1561	my ($self) = @_;
…		…
1332		1575
1333	sub reset_at {	1576	sub reset_at {
1334	my ($self) = @_;	1577	my ($self) = @_;
1335		1578
1336	# TODO: safety, remove and allow resettable per-player maps	1579	# TODO: safety, remove and allow resettable per-player maps
1337	return 1e99 if $self->{path}{user_rel};	1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1338	return 1e99 if $self->{deny_reset};	1581	return 1e99 if $self->{deny_reset};
1339		1582
1340	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1341	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1342		1585
…		…
1347	my ($self) = @_;	1590	my ($self) = @_;
1348		1591
1349	$self->reset_at <= $cf::RUNTIME	1592	$self->reset_at <= $cf::RUNTIME
1350	}	1593	}
1351		1594
1352	sub unlink_save {
1353	my ($self) = @_;
1354
1355	utf8::encode (my $save = $self->{path}->save_path);
1356	aioreq_pri 3; IO::AIO::aio_unlink $save;
1357	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1358	}
1359
1360	sub rename {
1361	my ($self, $new_path) = @_;
1362
1363	$self->unlink_save;
1364
1365	delete $cf::MAP{$self->path};
1366	$self->{path} = new cf::path $new_path;
1367	$self->path ($self->{path}->as_string);
1368	$cf::MAP{$self->path} = $self;
1369
1370	$self->save;
1371	}
1372
1373	sub reset {	1595	sub reset {
1374	my ($self) = @_;	1596	my ($self) = @_;
1375		1597
1376	my $lock = cf::lock_acquire "map_data:" . $self->path;	1598	my $lock = cf::lock_acquire "map_data:$self->{path}";
1377		1599
1378	return if $self->players;	1600	return if $self->players;
1379	return if $self->{path}{user_rel};#d#	1601	return if $self->isa ("ext::map_per_player");#d#
1380		1602
1381	warn "resetting map ", $self->path;#d#	1603	warn "resetting map ", $self->path;#d#
1382		1604
1383	delete $cf::MAP{$self->path};	1605	delete $cf::MAP{$self->path};
		1606
		1607	$self->in_memory (cf::MAP_SWAPPED);
		1608	$self->clear;
1384		1609
1385	$_->clear_links_to ($self) for values %cf::MAP;	1610	$_->clear_links_to ($self) for values %cf::MAP;
1386		1611
1387	$self->unlink_save;	1612	$self->unlink_save;
1388	$self->destroy;	1613	$self->destroy;
…		…
1391	my $nuke_counter = "aaaa";	1616	my $nuke_counter = "aaaa";
1392		1617
1393	sub nuke {	1618	sub nuke {
1394	my ($self) = @_;	1619	my ($self) = @_;
1395		1620
		1621	delete $cf::MAP{$self->path};
		1622
		1623	$self->unlink_save;
		1624
		1625	bless $self, "cf::map";
		1626	delete $self->{deny_reset};
1396	$self->{deny_save} = 1;	1627	$self->{deny_save} = 1;
1397	$self->reset_timeout (1);	1628	$self->reset_timeout (1);
1398	$self->rename ("{nuke}/" . ($nuke_counter++));	1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1630
		1631	$cf::MAP{$self->path} = $self;
		1632
1399	$self->reset; # polite request, might not happen	1633	$self->reset; # polite request, might not happen
1400	}	1634	}
1401		1635
1402	sub customise_for {	1636	=item cf::map::unique_maps
1403	my ($map, $ob) = @_;
1404		1637
1405	if ($map->per_player) {	1638	Returns an arrayref of paths of all shared maps that have
1406	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1639	instantiated unique items. May block.
1407	}
1408		1640
1409	$map	1641	=cut
1410	}
1411		1642
1412	sub emergency_save {	1643	sub unique_maps() {
1413	my $freeze_guard = cf::freeze_mainloop;	1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1645	or return;
1414		1646
1415	warn "enter emergency map save\n";	1647	my @paths;
1416		1648
1417	cf::sync_job {	1649	for (@$files) {
1418	warn "begin emergency map save\n";	1650	utf8::decode $_;
1419	$_->save for values %cf::MAP;	1651	next if /\.pst$/;
		1652	next unless /^$PATH_SEP/o;
		1653
		1654	push @paths, cf::map::normalise $_;
1420	};	1655	}
1421		1656
1422	warn "end emergency map save\n";	1657	\@paths
1423	}	1658	}
1424		1659
1425	package cf;	1660	package cf;
1426		1661
1427	=back	1662	=back
1428		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
1429		1690
1430	=head3 cf::object::player	1691	=head3 cf::object::player
1431		1692
1432	=over 4	1693	=over 4
1433		1694
…		…
1473		1734
1474	=item $player_object->enter_link	1735	=item $player_object->enter_link
1475		1736
1476	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}>).
1477		1738
1478	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
1479	I<MUST> call C<leave_link> as soon as possible, though.	1740	I<MUST> call C<leave_link> as soon as possible, though.
1480		1741
		1742	Will never block.
		1743
1481	=item $player_object->leave_link ($map, $x, $y)	1744	=item $player_object->leave_link ($map, $x, $y)
1482		1745
1483	Moves the player out of the specila link map onto the given map. If the	1746	Moves the player out of the special C<{link}> map onto the specified
1484	map is not valid (or omitted), the player will be moved back to the	1747	map. If the map is not valid (or omitted), the player will be moved back
1485	location he/she was before the call to C<enter_link>, or, if that fails,	1748	to the location he/she was before the call to C<enter_link>, or, if that
1486	to the emergency map position.	1749	fails, to the emergency map position.
1487		1750
1488	Might block.	1751	Might block.
1489		1752
1490	=cut	1753	=cut
		1754
		1755	sub link_map {
		1756	unless ($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	$LINK_MAP
		1763	}
1491		1764
1492	sub cf::object::player::enter_link {	1765	sub cf::object::player::enter_link {
1493	my ($self) = @_;	1766	my ($self) = @_;
1494		1767
1495	$self->deactivate_recursive;	1768	$self->deactivate_recursive;
1496		1769
1497	return if $self->map == $LINK_MAP;	1770	return if UNIVERSAL::isa $self->map, "ext::map_link";
1498		1771
1499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1500	if $self->map;	1773	if $self->map;
1501		1774
1502	$self->enter_map ($LINK_MAP, 20, 20);	1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1503	}	1776	}
1504		1777
1505	sub cf::object::player::leave_link {	1778	sub cf::object::player::leave_link {
1506	my ($self, $map, $x, $y) = @_;	1779	my ($self, $map, $x, $y) = @_;
1507		1780
…		…
1525	# use -1 or undef as default coordinates, not 0, 0	1798	# use -1 or undef as default coordinates, not 0, 0
1526	($x, $y) = ($map->enter_x, $map->enter_y)	1799	($x, $y) = ($map->enter_x, $map->enter_y)
1527	if $x <=0 && $y <= 0;	1800	if $x <=0 && $y <= 0;
1528		1801
1529	$map->load;	1802	$map->load;
		1803	$map->load_diag;
1530		1804
		1805	return unless $self->contr->active;
1531	$self->activate_recursive;	1806	$self->activate_recursive;
1532	$self->enter_map ($map, $x, $y);	1807	$self->enter_map ($map, $x, $y);
1533	}	1808	}
1534		1809
1535	cf::player->attach (	1810	cf::player->attach (
…		…
1547	my ($pl) = @_;	1822	my ($pl) = @_;
1548		1823
1549	# try to abort aborted map switching on player login :)	1824	# try to abort aborted map switching on player login :)
1550	# should happen only on crashes	1825	# should happen only on crashes
1551	if ($pl->ob->{_link_pos}) {	1826	if ($pl->ob->{_link_pos}) {
1552
1553	$pl->ob->enter_link;	1827	$pl->ob->enter_link;
1554	(async {	1828	(async {
1555	# 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
1556	# 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
1557	$pl->ob->reply (undef,	1831	$pl->ob->reply (undef,
…		…
1573	my ($self, $path, $x, $y) = @_;	1847	my ($self, $path, $x, $y) = @_;
1574		1848
1575	$self->enter_link;	1849	$self->enter_link;
1576		1850
1577	(async {	1851	(async {
1578	$path = new cf::path $path;	1852	my $map = eval {
1579
1580	my $map = cf::map::find $path->as_string;	1853	my $map = cf::map::find $path;
1581	$map = $map->customise_for ($self) if $map;	1854	$map = $map->customise_for ($self) if $map;
1582		1855	$map
1583	# warn "entering ", $map->path, " at ($x, $y)\n"	1856	} or
1584	# if $map;
1585
1586	$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);
1587		1858
1588	$self->leave_link ($map, $x, $y);	1859	$self->leave_link ($map, $x, $y);
1589	})->prio (1);	1860	})->prio (1);
1590	}	1861	}
1591		1862
…		…
1595		1866
1596	sub parse_random_map_params {	1867	sub parse_random_map_params {
1597	my ($spec) = @_;	1868	my ($spec) = @_;
1598		1869
1599	my $rmp = { # defaults	1870	my $rmp = { # defaults
1600	xsize => 10,	1871	xsize => (cf::rndm 15, 40),
1601	ysize => 10,	1872	ysize => (cf::rndm 15, 40),
		1873	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1874	#layout => string,
1602	};	1875	};
1603		1876
1604	for (split /\n/, $spec) {	1877	for (split /\n/, $spec) {
1605	my ($k, $v) = split /\s+/, $_, 2;	1878	my ($k, $v) = split /\s+/, $_, 2;
1606		1879
…		…
1610	$rmp	1883	$rmp
1611	}	1884	}
1612		1885
1613	sub prepare_random_map {	1886	sub prepare_random_map {
1614	my ($exit) = @_;	1887	my ($exit) = @_;
		1888
		1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1615		1890
1616	# all this does is basically replace the /! path by	1891	# all this does is basically replace the /! path by
1617	# a new random map path (?random/...) with a seed	1892	# a new random map path (?random/...) with a seed
1618	# that depends on the exit object	1893	# that depends on the exit object
1619		1894
1620	my $rmp = parse_random_map_params $exit->msg;	1895	my $rmp = parse_random_map_params $exit->msg;
1621		1896
1622	if ($exit->map) {	1897	if ($exit->map) {
1623	$rmp->{region} = $exit->map->region_name;	1898	$rmp->{region} = $exit->region->name;
1624	$rmp->{origin_map} = $exit->map->path;	1899	$rmp->{origin_map} = $exit->map->path;
1625	$rmp->{origin_x} = $exit->x;	1900	$rmp->{origin_x} = $exit->x;
1626	$rmp->{origin_y} = $exit->y;	1901	$rmp->{origin_y} = $exit->y;
1627	}	1902	}
1628		1903
1629	$rmp->{random_seed} ||= $exit->random_seed;	1904	$rmp->{random_seed} ||= $exit->random_seed;
1630		1905
1631	my $data = cf::to_json $rmp;	1906	my $data = cf::to_json $rmp;
1632	my $md5 = Digest::MD5::md5_hex $data;	1907	my $md5 = Digest::MD5::md5_hex $data;
		1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1633		1909
1634	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) {
1635	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;
1636		1914
1637	$exit->slaying ("?random/$md5");	1915	$exit->slaying ("?random/$md5");
1638	$exit->msg (undef);	1916	$exit->msg (undef);
1639	}	1917	}
1640	}	1918	}
1641		1919
1642	sub cf::object::player::enter_exit {	1920	sub cf::object::player::enter_exit {
1643	my ($self, $exit) = @_;	1921	my ($self, $exit) = @_;
1644		1922
1645	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;
1646		1933
1647	$self->enter_link;	1934	$self->enter_link;
1648		1935
1649	(async {	1936	(async {
1650	$self->deactivate_recursive; # just to be sure	1937	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	1938	unless (eval {
1652	prepare_random_map $exit	1939	$self->goto ($slaying, $hp, $sp);
1653	if $exit->slaying eq "/!";
1654
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1657		1940
1658	1;	1941	1;
1659	}) {	1942	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	1943	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "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. "
1662	. "Please report this to the dungeon master",	1945	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	1946	cf::NDI_UNIQUE | cf::NDI_RED);
1664		1947
1665	warn "ERROR in enter_exit: $@";	1948	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	1949	$self->leave_link;
1667	}	1950	}
…		…
1722	# get handled first	2005	# get handled first
1723	my $queue = delete $ns->{query_queue}	2006	my $queue = delete $ns->{query_queue}
1724	or return; # be conservative, not sure how that can happen, but we saw a crash here	2007	or return; # be conservative, not sure how that can happen, but we saw a crash here
1725		2008
1726	(shift @$queue)->[1]->($msg);	2009	(shift @$queue)->[1]->($msg);
		2010	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727		2011
1728	push @{ $ns->{query_queue} }, @$queue;	2012	push @{ $ns->{query_queue} }, @$queue;
1729		2013
1730	if (@{ $ns->{query_queue} } == @$queue) {	2014	if (@{ $ns->{query_queue} } == @$queue) {
1731	if (@$queue) {	2015	if (@$queue) {
…		…
1950	sub db_sync() {	2234	sub db_sync() {
1951	db_save if $dirty;	2235	db_save if $dirty;
1952	undef $dirty;	2236	undef $dirty;
1953	}	2237	}
1954		2238
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2239	my $idle = Event->idle (
1956	db_sync;	2240	reentrant => 0,
		2241	min => 10,
		2242	max => 20,
		2243	repeat => 0,
		2244	data => WF_AUTOCANCEL,
		2245	cb => \&db_sync,
1957	});	2246	);
1958		2247
1959	sub db_dirty() {	2248	sub db_dirty() {
1960	$dirty = 1;	2249	$dirty = 1;
1961	$idle->start;	2250	$idle->start;
1962	}	2251	}
…		…
1983	},	2272	},
1984	);	2273	);
1985	}	2274	}
1986		2275
1987	#############################################################################	2276	#############################################################################
1988	# 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	}
1989		2283
1990	sub cfg_load {	2284	sub cfg_load {
1991	open my $fh, "<:utf8", cf::confdir . "/config"	2285	open my $fh, "<:utf8", cf::confdir . "/config"
1992	or return;	2286	or return;
1993		2287
…		…
1999	$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};
2000	$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};
2001		2295
2002	if (exists $CFG{mlockall}) {	2296	if (exists $CFG{mlockall}) {
2003	eval {	2297	eval {
2004	$CFG{mlockall} ? &mlockall : &munlockall	2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2005	and die "WARNING: m(un)lockall failed: $!\n";	2299	and die "WARNING: m(un)lockall failed: $!\n";
2006	};	2300	};
2007	warn $@ if $@;	2301	warn $@ if $@;
2008	}	2302	}
		2303	}
		2304
		2305	sub init {
		2306	load_resources;
2009	}	2307	}
2010		2308
2011	sub main {	2309	sub main {
2012	# we must not ever block the main coroutine	2310	# we must not ever block the main coroutine
2013	local $Coro::idle = sub {	2311	local $Coro::idle = sub {
2014	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 {
2015	async { Event::one_event };	2314	Event::one_event;
		2315	})->prio (Coro::PRIO_MAX);
2016	};	2316	};
2017		2317
2018	cfg_load;	2318	cfg_load;
2019	db_load;	2319	db_load;
2020	load_extensions;	2320	load_extensions;
		2321
		2322	$TICK_WATCHER->start;
2021	Event::loop;	2323	Event::loop;
2022	}	2324	}
2023		2325
2024	#############################################################################	2326	#############################################################################
2025	# 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	$map->save;
		2366	}
		2367	warn "end emergency map save\n";
		2368	};
		2369
		2370	warn "leave emergency perl save\n";
		2371	}
2026		2372
2027	sub reload() {	2373	sub reload() {
2028	# can/must only be called in main	2374	# can/must only be called in main
2029	if ($Coro::current != $Coro::main) {	2375	if ($Coro::current != $Coro::main) {
2030	warn "can only reload from main coroutine\n";	2376	warn "can only reload from main coroutine";
2031	return;	2377	return;
2032	}	2378	}
2033		2379
2034	warn "reloading...";	2380	warn "reloading...";
2035		2381
2036	my $guard = freeze_mainloop;	2382	warn "cancelling server ticker";
		2383	$TICK_WATCHER->cancel;
		2384
2037	cf::emergency_save;	2385	cf::emergency_save;
2038		2386
2039	eval {	2387	eval {
2040	# 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
2041		2389
2042	# cancel all watchers	2390	warn "syncing database to disk";
		2391	cf::db_sync;
		2392
		2393	warn "cancelling all WF_AUTOCANCEL watchers";
2043	for (Event::all_watchers) {	2394	for (Event::all_watchers) {
2044	$_->cancel if $_->data & WF_AUTOCANCEL;	2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2045	}	2396	}
2046		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
2047	# cancel all extension coros	2406	warn "cancelling all extension coros";
2048	$_->cancel for values %EXT_CORO;	2407	$_->cancel for values %EXT_CORO;
2049	%EXT_CORO = ();	2408	%EXT_CORO = ();
2050		2409
2051	# unload all extensions	2410	warn "removing commands";
2052	for (@exts) {	2411	%COMMAND = ();
		2412
		2413	warn "removing ext commands";
		2414	%EXTCMD = ();
		2415
		2416	warn "unloading/nuking all extensions";
		2417	for my $pkg (@EXTS) {
2053	warn "unloading <$_>";	2418	warn "... unloading $pkg";
2054	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: $@";
2055	}	2425	}
2056		2426
		2427	warn "... nuking $pkg";
		2428	Symbol::delete_package $pkg;
		2429	}
		2430
2057	# unload all modules loaded from $LIBDIR	2431	warn "unloading all perl modules loaded from $LIBDIR";
2058	while (my ($k, $v) = each %INC) {	2432	while (my ($k, $v) = each %INC) {
2059	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2060		2434
2061	warn "removing <$k>";	2435	warn "... unloading $k";
2062	delete $INC{$k};	2436	delete $INC{$k};
2063		2437
2064	$k =~ s/\.pm$//;	2438	$k =~ s/\.pm$//;
2065	$k =~ s/\//::/g;	2439	$k =~ s/\//::/g;
2066		2440
…		…
2069	}	2443	}
2070		2444
2071	Symbol::delete_package $k;	2445	Symbol::delete_package $k;
2072	}	2446	}
2073		2447
2074	# sync database to disk
2075	cf::db_sync;
2076	IO::AIO::flush;
2077
2078	# get rid of safe::, as good as possible	2448	warn "getting rid of safe::, as good as possible";
2079	Symbol::delete_package "safe::$_"	2449	Symbol::delete_package "safe::$_"
2080	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);
2081		2451
2082	# remove register_script_function callbacks
2083	# TODO
2084
2085	# unload cf.pm "a bit"	2452	warn "unloading cf.pm \"a bit\"";
2086	delete $INC{"cf.pm"};	2453	delete $INC{"cf.pm"};
2087		2454
2088	# don't, removes xs symbols, too,	2455	# don't, removes xs symbols, too,
2089	# and global variables created in xs	2456	# and global variables created in xs
2090	#Symbol::delete_package __PACKAGE__;	2457	#Symbol::delete_package __PACKAGE__;
2091		2458
2092	# reload cf.pm	2459	warn "unload completed, starting to reload now";
		2460
2093	warn "reloading cf.pm";	2461	warn "reloading cf.pm";
2094	require cf;	2462	require cf;
2095	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2096		2464
2097	# load config and database again	2465	warn "loading config and database again";
2098	cf::cfg_load;	2466	cf::cfg_load;
2099	cf::db_load;	2467	cf::db_load;
2100		2468
2101	# load extensions
2102	warn "load extensions";	2469	warn "loading extensions";
2103	cf::load_extensions;	2470	cf::load_extensions;
2104		2471
2105	# reattach attachments to objects	2472	warn "reattaching attachments to objects/players";
2106	warn "reattach";
2107	_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	$TICK_WATCHER->start;
2108	};	2483	};
2109		2484
2110	if ($@) {	2485	if ($@) {
2111	warn $@;	2486	warn $@;
2112	warn "error while reloading, exiting.";	2487	warn "error while reloading, exiting.";
2113	exit 1;	2488	exit 1;
2114	}	2489	}
2115		2490
2116	warn "reloaded successfully";	2491	warn "reloaded";
2117	};	2492	};
2118		2493
2119	#############################################################################	2494	our $RELOAD_WATCHER; # used only during reload
2120
2121	unless ($LINK_MAP) {
2122	$LINK_MAP = cf::map::new;
2123
2124	$LINK_MAP->width (41);
2125	$LINK_MAP->height (41);
2126	$LINK_MAP->alloc;
2127	$LINK_MAP->path ("{link}");
2128	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2129	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2130
2131	# dirty hack because... archetypes are not yet loaded
2132	Event->timer (
2133	after => 2,
2134	cb => sub {
2135	$_[0]->w->cancel;
2136
2137	# provide some exits "home"
2138	my $exit = cf::object::new "exit";
2139
2140	$exit->slaying ($EMERGENCY_POSITION->[0]);
2141	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2142	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2143
2144	$LINK_MAP->insert ($exit->clone, 19, 19);
2145	$LINK_MAP->insert ($exit->clone, 19, 20);
2146	$LINK_MAP->insert ($exit->clone, 19, 21);
2147	$LINK_MAP->insert ($exit->clone, 20, 19);
2148	$LINK_MAP->insert ($exit->clone, 20, 21);
2149	$LINK_MAP->insert ($exit->clone, 21, 19);
2150	$LINK_MAP->insert ($exit->clone, 21, 20);
2151	$LINK_MAP->insert ($exit->clone, 21, 21);
2152
2153	$exit->destroy;
2154	});
2155
2156	$LINK_MAP->{deny_save} = 1;
2157	$LINK_MAP->{deny_reset} = 1;
2158
2159	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2160	}
2161
2162	register "<global>", __PACKAGE__;
2163		2495
2164	register_command "reload" => sub {	2496	register_command "reload" => sub {
2165	my ($who, $arg) = @_;	2497	my ($who, $arg) = @_;
2166		2498
2167	if ($who->flag (FLAG_WIZ)) {	2499	if ($who->flag (FLAG_WIZ)) {
2168	$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 {
2169	reload;	2510	reload;
2170	$who->message ("end of reload.");	2511	undef $RELOAD_WATCHER;
		2512	},
		2513	);
2171	}	2514	}
2172	};	2515	};
2173		2516
2174	unshift @INC, $LIBDIR;	2517	unshift @INC, $LIBDIR;
		2518
		2519	my $bug_warning = 0;
2175		2520
2176	$TICK_WATCHER = Event->timer (	2521	$TICK_WATCHER = Event->timer (
2177	reentrant => 0,	2522	reentrant => 0,
		2523	parked => 1,
2178	prio => 0,	2524	prio => 0,
2179	at => $NEXT_TICK || $TICK,	2525	at => $NEXT_TICK || $TICK,
2180	data => WF_AUTOCANCEL,	2526	data => WF_AUTOCANCEL,
2181	cb => sub {	2527	cb => sub {
		2528	if ($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
2182	cf::server_tick; # one server iteration	2536	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2537	$RUNTIME += $TICK;
2184	$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#
2185		2548
2186	# 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
2187	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2188		2551
2189	$TICK_WATCHER->at ($NEXT_TICK);	2552	$TICK_WATCHER->at ($NEXT_TICK);
2190	$TICK_WATCHER->start;	2553	$TICK_WATCHER->start;
2191	},	2554	},
2192	);	2555	);
2193		2556
2194	IO::AIO::max_poll_time $TICK * 0.2;	2557	IO::AIO::max_poll_time $TICK * 0.1;
2195		2558
2196	Event->io (	2559	undef $Coro::AIO::WATCHER;
		2560	$AIO_POLL_WATCHER = Event->io (
		2561	reentrant => 0,
2197	fd => IO::AIO::poll_fileno,	2562	fd => IO::AIO::poll_fileno,
2198	poll => 'r',	2563	poll => 'r',
2199	prio => 5,	2564	prio => 6,
2200	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2201	cb => \&IO::AIO::poll_cb,	2566	cb => \&IO::AIO::poll_cb,
2202	);	2567	);
2203		2568
2204	Event->timer (	2569	$WRITE_RUNTIME_WATCHER = Event->timer (
		2570	reentrant => 0,
2205	data => WF_AUTOCANCEL,	2571	data => WF_AUTOCANCEL,
2206	after => 0,	2572	after => 1,
2207	interval => 10,	2573	interval => 10,
2208	cb => sub {	2574	prio => 6, # keep it lowest so it acts like a watchdog
2209	(Coro::unblock_sub {	2575	cb => Coro::unblock_sub {
2210	write_runtime	2576	write_runtime
2211	or warn "ERROR: unable to write runtime file: $!";	2577	or warn "ERROR: unable to write runtime file: $!";
2212	})->();
2213	},	2578	},
2214	);	2579	);
2215		2580
2216	END { cf::emergency_save }	2581	END { cf::emergency_save }
2217		2582

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines