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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.148 by root, Mon Jan 8 12:39:16 2007 UTC vs.
Revision 1.216 by root, Thu Feb 15 14:30:21 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 BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.32 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		39
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
52	our %PLAYER; # all users	67	our %PLAYER; # all users
53	our %MAP; # all maps	68	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO; # coroutines bound to extensions	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		78
58	binmode STDOUT;	79	binmode STDOUT;
59	binmode STDERR;	80	binmode STDERR;
60		81
61	# read virtual server time, if available	82	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	89	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
73		95
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
77		99
78	#############################################################################	100	#############################################################################
79		101
80	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
81		103
…		…
105		127
106	=item %cf::CFG	128	=item %cf::CFG
107		129
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
110		139
111	=back	140	=back
112		141
113	=cut	142	=cut
114		143
…		…
146		175
147	$Event::DIED = sub {	176	$Event::DIED = sub {
148	warn "error in event callback: @_";	177	warn "error in event callback: @_";
149	};	178	};
150		179
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
156		181
157	=over 4	182	=over 4
158		183
		184	=item dumpval $ref
		185
159	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
160		206
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		208
163	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
164		210
…		…
225	}	271	}
226		272
227	sub freeze_mainloop {	273	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
229		275
230	my $guard = Coro::guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
231	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
232	$guard	280	$guard
233	}	281	}
234		282
235	=item cf::async { BLOCK }	283	=item cf::async { BLOCK }
…		…
287	}	335	}
288	}	336	}
289		337
290	=item $coro = cf::async_ext { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
291		339
292	Like async, but this coro is automcatially being canceled when the	340	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	341	extension calling this is being unloaded.
294		342
295	=cut	343	=cut
296		344
297	sub async_ext(&) {	345	sub async_ext(&) {
…		…
311	my $runtime = cf::localdir . "/runtime";	359	my $runtime = cf::localdir . "/runtime";
312		360
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	362	or return;
315		363
		364	my $value = $cf::RUNTIME + 90 + 10;
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	365	# 10 is the runtime save interval, for a monotonic clock
		366	# 60 allows for the watchdog to kill the server.
		367
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	369	and return;
319		370
		371	# always fsync - this file is important
320	aio_fsync $fh	372	aio_fsync $fh
321	and return;	373	and return;
322		374
323	close $fh	375	close $fh
324	or return;	376	or return;
…		…
330	}	382	}
331		383
332	=back	384	=back
333		385
334	=cut	386	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		387
456	#############################################################################	388	#############################################################################
457		389
458	=head2 ATTACHABLE OBJECTS	390	=head2 ATTACHABLE OBJECTS
459		391
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	517	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	518	our @CB_MAP = ();
587		519
588	my %attachment;	520	my %attachment;
589		521
		522	sub cf::attachable::thawer_merge {
		523	# simply override everything except _meta
		524	local $_[0]{_meta};
		525	%{$_[0]} = %{$_[1]};
		526	}
		527
590	sub _attach_cb($$$$) {	528	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	529	my ($registry, $event, $prio, $cb) = @_;
592		530
593	use sort 'stable';	531	use sort 'stable';
594		532
…		…
765	# object support	703	# object support
766		704
767	sub reattach {	705	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	706	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	707	my ($obj) = @_;
		708
		709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		710
771	my $registry = $obj->registry;	711	my $registry = $obj->registry;
772		712
773	@$registry = ();	713	@$registry = ();
774		714
…		…
821	$filename, length $$rdata, scalar @$objs;	761	$filename, length $$rdata, scalar @$objs;
822		762
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	766	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	767	close $fh;
828		768
829	if (@$objs) {	769	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	772	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	773	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	774	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	775	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	776	aio_rename "$filename.pst~", "$filename.pst";
837	}	777	}
838	} else {	778	} else {
839	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
…		…
906	=cut	846	=cut
907		847
908	sub register_extcmd {	848	sub register_extcmd {
909	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
910		850
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
915	}	852	}
916		853
917	cf::player->attach (	854	cf::player->attach (
918	on_command => sub {	855	on_command => sub {
919	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
932		869
933	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
934		871
935	if (ref $msg) {	872	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	876	}
940	}	877	}
941	} else {	878	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		881
945	cf::override;	882	cf::override;
946	},	883	},
947	);	884	);
948		885
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	886	sub load_extension {
956	my ($path) = @_;	887	my ($path) = @_;
957		888
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	890	my $base = $1;
960	my $pkg = $1;	891	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
963		894
964	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
965		896
966	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
967	or die "$path: $!";	898	or die "$path: $!";
968		899
969	my $source =	900	my $source =
970	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
973	. "\n};\n1";	904	. "\n};\n1";
974		905
975	eval $source	906	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	908	: "extension disabled.\n";
978		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	910	warn $@;
980	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
981		912	exit 1;
982	# no strict 'refs';	913	}
983	# @{"$pkg\::ISA"} = ext::;	914	die $@;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }	915	}
998		916
999	# remove commands	917	push @EXTS, $pkg;
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	918	}
1024		919
1025	sub load_extensions {	920	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	922	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1032	}	927	}
1033	}	928	}
1034		929
1035	#############################################################################	930	#############################################################################
1036	# load/save/clean perl data associated with a map
1037
1038	*cf::mapsupport::on_clean = sub {
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		931
1073	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1074		933
1075	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1076		935
1077	=cut	936	=cut
1078		937
1079	package cf::player;	938	package cf::player;
		939
		940	use Coro::AIO;
1080		941
1081	=head3 cf::player	942	=head3 cf::player
1082		943
1083	=over 4	944	=over 4
1084		945
…		…
1110		971
1111	sub exists($) {	972	sub exists($) {
1112	my ($login) = @_;	973	my ($login) = @_;
1113		974
1114	$cf::PLAYER{$login}	975	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	976	or cf::sync_job { !aio_stat path $login }
1116	}	977	}
1117		978
1118	sub find($) {	979	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	980	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	981	my $login = $_[0];
1121		982
1122	my $guard = cf::lock_acquire "user_find:$login";	983	my $guard = cf::lock_acquire "user_find:$login";
1123		984
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	985	$cf::PLAYER{$_[0]} || do {
		986	my $pl = load_pl path $login
		987	or return;
		988	$cf::PLAYER{$login} = $pl
		989	}
1125	};	990	}
1126	}	991	}
1127		992
1128	sub save($) {	993	sub save($) {
1129	my ($pl) = @_;	994	my ($pl) = @_;
1130		995
…		…
1133	my $path = path $pl;	998	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	999	my $guard = cf::lock_acquire "user_save:$path";
1135		1000
1136	return if $pl->{deny_save};	1001	return if $pl->{deny_save};
1137		1002
1138	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1003	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1004	$pl->{last_save} = $cf::RUNTIME;
1140		1005
1141	$pl->save_pl ($path);	1006	$pl->save_pl ($path);
1142	Coro::cede;	1007	Coro::cede;
1143	}	1008	}
…		…
1152		1017
1153	$cf::PLAYER{$login} = $self;	1018	$cf::PLAYER{$login} = $self;
1154		1019
1155	$self	1020	$self
1156	}	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
1157		1029
1158	sub quit_character {	1030	sub quit_character {
1159	my ($pl) = @_;	1031	my ($pl) = @_;
1160		1032
1161	$pl->{deny_save} = 1;	1033	$pl->{deny_save} = 1;
…		…
1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1167	$pl->ns->destroy if $pl->ns;	1039	$pl->ns->destroy if $pl->ns;
1168		1040
1169	my $path = playerdir $pl;	1041	my $path = playerdir $pl;
1170	my $temp = "$path~$cf::RUNTIME~deleting~";	1042	my $temp = "$path~$cf::RUNTIME~deleting~";
1171	IO::AIO::aio_rename $path, $temp, sub {	1043	aio_rename $path, $temp;
1172	delete $cf::PLAYER{$pl->ob->name};	1044	delete $cf::PLAYER{$pl->ob->name};
1173	$pl->destroy;	1045	$pl->destroy;
1174
1175	IO::AIO::aio_rmtree $temp;	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;
1176	};	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
1177	}	1100	}
1178		1101
1179	=item $player->ext_reply ($msgid, $msgtype, %msg)	1102	=item $player->ext_reply ($msgid, $msgtype, %msg)
1180		1103
1181	Sends an ext reply to the player.	1104	Sends an ext reply to the player.
…		…
1204	package cf::map;	1127	package cf::map;
1205		1128
1206	use Fcntl;	1129	use Fcntl;
1207	use Coro::AIO;	1130	use Coro::AIO;
1208		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1209	our $MAX_RESET = 3600;	1136	our $MAX_RESET = 3600;
1210	our $DEFAULT_RESET = 3000;	1137	our $DEFAULT_RESET = 3000;
1211		1138
1212	sub generate_random_map {	1139	sub generate_random_map {
1213	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1214
1215	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1216	cf::map::_create_random_map	1142	$self->_create_random_map (
1217	$path,
1218	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1219	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1220	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1221	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1222	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1223	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1224	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1225	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1226	$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},
1227	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1228	(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
1229	}	1284	}
1230		1285
1231	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1232	# all maps in C++...	1287	# all maps in C++...
1233	sub change_all_map_light {	1288	sub change_all_map_light {
…		…
1235		1290
1236	$_->change_map_light ($change)	1291	$_->change_map_light ($change)
1237	for grep $_->outdoor, values %cf::MAP;	1292	for grep $_->outdoor, values %cf::MAP;
1238	}	1293	}
1239		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
1240	sub try_load_header($) {	1303	sub load_header_from($) {
1241	my ($path) = @_;	1304	my ($self, $path) = @_;
1242		1305
1243	utf8::encode $path;	1306	utf8::encode $path;
1244	aio_open $path, O_RDONLY, 0	1307	#aio_open $path, O_RDONLY, 0
		1308	# or return;
		1309
		1310	$self->_load_header ($path)
1245	or return;	1311	or return;
1246		1312
1247	my $map = cf::map::new	1313	$self->{load_path} = $path;
		1314
		1315	1
		1316	}
		1317
		1318	sub load_header_orig {
		1319	my ($self) = @_;
		1320
		1321	$self->load_header_from ($self->load_path)
		1322	}
		1323
		1324	sub load_header_temp {
		1325	my ($self) = @_;
		1326
		1327	$self->load_header_from ($self->save_path)
		1328	}
		1329
		1330	sub prepare_temp {
		1331	my ($self) = @_;
		1332
		1333	$self->last_access ((delete $self->{last_access})
		1334	|| $cf::RUNTIME); #d#
		1335	# safety
		1336	$self->{instantiate_time} = $cf::RUNTIME
		1337	if $self->{instantiate_time} > $cf::RUNTIME;
		1338	}
		1339
		1340	sub prepare_orig {
		1341	my ($self) = @_;
		1342
		1343	$self->{load_original} = 1;
		1344	$self->{instantiate_time} = $cf::RUNTIME;
		1345	$self->last_access ($cf::RUNTIME);
		1346	$self->instantiate;
		1347	}
		1348
		1349	sub load_header {
		1350	my ($self) = @_;
		1351
		1352	if ($self->load_header_temp) {
		1353	$self->prepare_temp;
		1354	} else {
		1355	$self->load_header_orig
1248	or return;	1356	or return;
		1357	$self->prepare_orig;
		1358	}
1249		1359
1250	# for better error messages only, will be overwritten	1360	1
1251	$map->path ($path);
1252
1253	$map->load_header ($path)
1254	or return;
1255
1256	$map->{load_path} = $path;
1257
1258	$map
1259	}	1361	}
1260		1362
1261	sub find;	1363	sub find;
1262	sub find {	1364	sub find {
1263	my ($path, $origin) = @_;	1365	my ($path, $origin) = @_;
1264		1366
1265	#warn "find<$path,$origin>\n";#d#
1266
1267	$path = new cf::path $path, $origin && $origin->path;	1367	$path = normalise $path, $origin && $origin->path;
1268	my $key = $path->as_string;
1269		1368
1270	cf::lock_wait "map_find:$key";	1369	cf::lock_wait "map_find:$path";
1271		1370
1272	$cf::MAP{$key} || do {	1371	$cf::MAP{$path} || do {
1273	my $guard = cf::lock_acquire "map_find:$key";	1372	my $guard = cf::lock_acquire "map_find:$path";
1274		1373	my $map = new_from_path cf::map $path
1275	# do it the slow way
1276	my $map = try_load_header $path->save_path;
1277
1278	Coro::cede;
1279
1280	if ($map) {
1281	$map->last_access ((delete $map->{last_access})
1282	|| $cf::RUNTIME); #d#
1283	# safety
1284	$map->{instantiate_time} = $cf::RUNTIME
1285	if $map->{instantiate_time} > $cf::RUNTIME;
1286	} else {
1287	if (my $rmp = $path->random_map_params) {
1288	$map = generate_random_map $key, $rmp;
1289	} else {
1290	$map = try_load_header $path->load_path;
1291	}
1292
1293	$map or return;	1374	or return;
1294		1375
1295	$map->{load_original} = 1;
1296	$map->{instantiate_time} = $cf::RUNTIME;
1297	$map->last_access ($cf::RUNTIME);
1298	$map->instantiate;
1299
1300	# per-player maps become, after loading, normal maps
1301	$map->per_player (0) if $path->{user_rel};
1302	}
1303
1304	$map->path ($key);
1305	$map->{path} = $path;
1306	$map->{last_save} = $cf::RUNTIME;	1376	$map->{last_save} = $cf::RUNTIME;
1307		1377
1308	Coro::cede;	1378	$map->load_header
		1379	or return;
1309		1380
1310	if ($map->should_reset) {	1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1382	# doing this can freeze the server in a sync job, obviously
		1383	#$cf::WAIT_FOR_TICK->wait;
1311	$map->reset;	1384	$map->reset;
1312	undef $guard;	1385	undef $guard;
1313	$map = find $path	1386	return find $path;
1314	or return;
1315	}	1387	}
1316		1388
1317	$cf::MAP{$key} = $map	1389	$cf::MAP{$path} = $map
1318	}	1390	}
1319	}	1391	}
		1392
		1393	sub pre_load { }
		1394	sub post_load { }
1320		1395
1321	sub load {	1396	sub load {
1322	my ($self) = @_;	1397	my ($self) = @_;
1323		1398
		1399	local $self->{deny_reset} = 1; # loading can take a long time
		1400
1324	my $path = $self->{path};	1401	my $path = $self->{path};
1325	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1402	my $guard = cf::lock_acquire "map_load:$path";
1326		1403
1327	return if $self->in_memory != cf::MAP_SWAPPED;	1404	return if $self->in_memory != cf::MAP_SWAPPED;
1328		1405
1329	$self->in_memory (cf::MAP_LOADING);	1406	$self->in_memory (cf::MAP_LOADING);
1330		1407
1331	$self->alloc;	1408	$self->alloc;
		1409
		1410	$self->pre_load;
		1411
1332	$self->load_objects ($self->{load_path}, 1)	1412	$self->_load_objects ($self->{load_path}, 1)
1333	or return;	1413	or return;
1334		1414
1335	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1336	if delete $self->{load_original};	1416	if delete $self->{load_original};
1337		1417
1338	if (my $uniq = $path->uniq_path) {	1418	if (my $uniq = $self->uniq_path) {
1339	utf8::encode $uniq;	1419	utf8::encode $uniq;
1340	if (aio_open $uniq, O_RDONLY, 0) {	1420	if (aio_open $uniq, O_RDONLY, 0) {
1341	$self->clear_unique_items;	1421	$self->clear_unique_items;
1342	$self->load_objects ($uniq, 0);	1422	$self->_load_objects ($uniq, 0);
1343	}	1423	}
1344	}	1424	}
1345		1425
1346	Coro::cede;	1426	Coro::cede;
1347		1427
1348	# now do the right thing for maps	1428	# now do the right thing for maps
1349	$self->link_multipart_objects;	1429	$self->link_multipart_objects;
1350		1430
1351	if ($self->{path}->is_style_map) {	1431	unless ($self->{deny_activate}) {
1352	$self->{deny_save} = 1;	1432	$self->decay_objects;
1353	$self->{deny_reset} = 1;
1354	} else {
1355	$self->fix_auto_apply;	1433	$self->fix_auto_apply;
1356	$self->decay_objects;
1357	$self->update_buttons;	1434	$self->update_buttons;
		1435	Coro::cede;
1358	$self->set_darkness_map;	1436	$self->set_darkness_map;
1359	$self->difficulty ($self->estimate_difficulty)	1437	$self->difficulty ($self->estimate_difficulty)
1360	unless $self->difficulty;	1438	unless $self->difficulty;
		1439	Coro::cede;
1361	$self->activate;	1440	$self->activate;
1362	}	1441	}
1363		1442
1364	Coro::cede;	1443	$self->post_load;
1365		1444
1366	$self->in_memory (cf::MAP_IN_MEMORY);	1445	$self->in_memory (cf::MAP_IN_MEMORY);
		1446	}
		1447
		1448	sub customise_for {
		1449	my ($self, $ob) = @_;
		1450
		1451	return find "~" . $ob->name . "/" . $self->{path}
		1452	if $self->per_player;
		1453
		1454	$self
		1455	}
		1456
		1457	# find and load all maps in the 3x3 area around a map
		1458	sub load_diag {
		1459	my ($map) = @_;
		1460
		1461	my @diag; # diagonal neighbours
		1462
		1463	for (0 .. 3) {
		1464	my $neigh = $map->tile_path ($_)
		1465	or next;
		1466	$neigh = find $neigh, $map
		1467	or next;
		1468	$neigh->load;
		1469
		1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1472	}
		1473
		1474	for (@diag) {
		1475	my $neigh = find @$_
		1476	or next;
		1477	$neigh->load;
		1478	}
1367	}	1479	}
1368		1480
1369	sub find_sync {	1481	sub find_sync {
1370	my ($path, $origin) = @_;	1482	my ($path, $origin) = @_;
1371		1483
1372	cf::sync_job { cf::map::find $path, $origin }	1484	cf::sync_job { find $path, $origin }
1373	}	1485	}
1374		1486
1375	sub do_load_sync {	1487	sub do_load_sync {
1376	my ($map) = @_;	1488	my ($map) = @_;
1377		1489
1378	cf::sync_job { $map->load };	1490	cf::sync_job { $map->load };
1379	}	1491	}
1380		1492
		1493	our %MAP_PREFETCH;
		1494	our $MAP_PREFETCHER = undef;
		1495
		1496	sub find_async {
		1497	my ($path, $origin) = @_;
		1498
		1499	$path = normalise $path, $origin && $origin->{path};
		1500
		1501	if (my $map = $cf::MAP{$path}) {
		1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1503	}
		1504
		1505	undef $MAP_PREFETCH{$path};
		1506	$MAP_PREFETCHER ||= cf::async {
		1507	while (%MAP_PREFETCH) {
		1508	for my $path (keys %MAP_PREFETCH) {
		1509	my $map = find $path
		1510	or next;
		1511	$map->load;
		1512
		1513	delete $MAP_PREFETCH{$path};
		1514	}
		1515	}
		1516	undef $MAP_PREFETCHER;
		1517	};
		1518	$MAP_PREFETCHER->prio (6);
		1519
		1520	()
		1521	}
		1522
1381	sub save {	1523	sub save {
1382	my ($self) = @_;	1524	my ($self) = @_;
1383		1525
1384	my $lock = cf::lock_acquire "map_data:" . $self->path;	1526	my $lock = cf::lock_acquire "map_data:" . $self->path;
1385		1527
1386	$self->{last_save} = $cf::RUNTIME;	1528	$self->{last_save} = $cf::RUNTIME;
1387		1529
1388	return unless $self->dirty;	1530	return unless $self->dirty;
1389		1531
1390	my $save = $self->{path}->save_path; utf8::encode $save;	1532	my $save = $self->save_path; utf8::encode $save;
1391	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1533	my $uniq = $self->uniq_path; utf8::encode $uniq;
1392		1534
1393	$self->{load_path} = $save;	1535	$self->{load_path} = $save;
1394		1536
1395	return if $self->{deny_save};	1537	return if $self->{deny_save};
1396		1538
…		…
1399	cf::async {	1541	cf::async {
1400	$_->contr->save for $self->players;	1542	$_->contr->save for $self->players;
1401	};	1543	};
1402		1544
1403	if ($uniq) {	1545	if ($uniq) {
1404	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1405	$self->save_objects ($uniq, cf::IO_UNIQUES);	1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1406	} else {	1548	} else {
1407	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1408	}	1550	}
1409	}	1551	}
1410		1552
1411	sub swap_out {	1553	sub swap_out {
1412	my ($self) = @_;	1554	my ($self) = @_;
…		…
1426		1568
1427	sub reset_at {	1569	sub reset_at {
1428	my ($self) = @_;	1570	my ($self) = @_;
1429		1571
1430	# TODO: safety, remove and allow resettable per-player maps	1572	# TODO: safety, remove and allow resettable per-player maps
1431	return 1e99 if $self->{path}{user_rel};	1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1432	return 1e99 if $self->{deny_reset};	1574	return 1e99 if $self->{deny_reset};
1433		1575
1434	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1435	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1436		1578
…		…
1441	my ($self) = @_;	1583	my ($self) = @_;
1442		1584
1443	$self->reset_at <= $cf::RUNTIME	1585	$self->reset_at <= $cf::RUNTIME
1444	}	1586	}
1445		1587
1446	sub unlink_save {
1447	my ($self) = @_;
1448
1449	utf8::encode (my $save = $self->{path}->save_path);
1450	aioreq_pri 3; IO::AIO::aio_unlink $save;
1451	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1452	}
1453
1454	sub rename {
1455	my ($self, $new_path) = @_;
1456
1457	$self->unlink_save;
1458
1459	delete $cf::MAP{$self->path};
1460	$self->{path} = new cf::path $new_path;
1461	$self->path ($self->{path}->as_string);
1462	$cf::MAP{$self->path} = $self;
1463
1464	$self->save;
1465	}
1466
1467	sub reset {	1588	sub reset {
1468	my ($self) = @_;	1589	my ($self) = @_;
1469		1590
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	1591	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		1592
1472	return if $self->players;	1593	return if $self->players;
1473	return if $self->{path}{user_rel};#d#	1594	return if $self->isa ("ext::map_per_player");#d#
1474		1595
1475	warn "resetting map ", $self->path;#d#	1596	warn "resetting map ", $self->path;#d#
1476		1597
		1598	$self->in_memory (cf::MAP_SWAPPED);
		1599
		1600	# need to save uniques path
		1601	unless ($self->{deny_save}) {
		1602	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1603
		1604	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1605	if $uniq;
		1606	}
		1607
1477	delete $cf::MAP{$self->path};	1608	delete $cf::MAP{$self->path};
		1609
		1610	$self->clear;
1478		1611
1479	$_->clear_links_to ($self) for values %cf::MAP;	1612	$_->clear_links_to ($self) for values %cf::MAP;
1480		1613
1481	$self->unlink_save;	1614	$self->unlink_save;
1482	$self->destroy;	1615	$self->destroy;
…		…
1485	my $nuke_counter = "aaaa";	1618	my $nuke_counter = "aaaa";
1486		1619
1487	sub nuke {	1620	sub nuke {
1488	my ($self) = @_;	1621	my ($self) = @_;
1489		1622
		1623	delete $cf::MAP{$self->path};
		1624
		1625	$self->unlink_save;
		1626
		1627	bless $self, "cf::map";
		1628	delete $self->{deny_reset};
1490	$self->{deny_save} = 1;	1629	$self->{deny_save} = 1;
1491	$self->reset_timeout (1);	1630	$self->reset_timeout (1);
1492	$self->rename ("{nuke}/" . ($nuke_counter++));	1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1632
		1633	$cf::MAP{$self->path} = $self;
		1634
1493	$self->reset; # polite request, might not happen	1635	$self->reset; # polite request, might not happen
1494	}	1636	}
1495		1637
1496	sub customise_for {	1638	=item cf::map::unique_maps
1497	my ($map, $ob) = @_;
1498		1639
1499	if ($map->per_player) {	1640	Returns an arrayref of paths of all shared maps that have
1500	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1641	instantiated unique items. May block.
1501	}
1502		1642
1503	$map	1643	=cut
1504	}
1505		1644
1506	sub emergency_save {	1645	sub unique_maps() {
1507	my $freeze_guard = cf::freeze_mainloop;	1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1647	or return;
1508		1648
1509	warn "enter emergency perl save\n";	1649	my @paths;
1510		1650
1511	cf::sync_job {	1651	for (@$files) {
1512	warn "begin emergency player save\n";	1652	utf8::decode $_;
1513	$_->save for values %cf::PLAYER;	1653	next if /\.pst$/;
1514	warn "end emergency player save\n";	1654	next unless /^$PATH_SEP/o;
1515		1655
1516	warn "begin emergency map save\n";	1656	push @paths, cf::map::normalise $_;
1517	$_->save for values %cf::MAP;
1518	warn "end emergency map save\n";
1519	};	1657	}
1520		1658
1521	warn "leave emergency perl save\n";	1659	\@paths
1522	}	1660	}
1523		1661
1524	package cf;	1662	package cf;
1525		1663
1526	=back	1664	=back
1527		1665
		1666	=head3 cf::object
		1667
		1668	=cut
		1669
		1670	package cf::object;
		1671
		1672	=over 4
		1673
		1674	=item $ob->inv_recursive
		1675
		1676	Returns the inventory of the object _and_ their inventories, recursively.
		1677
		1678	=cut
		1679
		1680	sub inv_recursive_;
		1681	sub inv_recursive_ {
		1682	map { $_, inv_recursive_ $_->inv } @_
		1683	}
		1684
		1685	sub inv_recursive {
		1686	inv_recursive_ inv $_[0]
		1687	}
		1688
		1689	package cf;
		1690
		1691	=back
1528		1692
1529	=head3 cf::object::player	1693	=head3 cf::object::player
1530		1694
1531	=over 4	1695	=over 4
1532		1696
…		…
1572		1736
1573	=item $player_object->enter_link	1737	=item $player_object->enter_link
1574		1738
1575	Freezes the player and moves him/her to a special map (C<{link}>).	1739	Freezes the player and moves him/her to a special map (C<{link}>).
1576		1740
1577	The player should be reaosnably safe there for short amounts of time. You	1741	The player should be reasonably safe there for short amounts of time. You
1578	I<MUST> call C<leave_link> as soon as possible, though.	1742	I<MUST> call C<leave_link> as soon as possible, though.
1579		1743
		1744	Will never block.
		1745
1580	=item $player_object->leave_link ($map, $x, $y)	1746	=item $player_object->leave_link ($map, $x, $y)
1581		1747
1582	Moves the player out of the specila link map onto the given map. If the	1748	Moves the player out of the special C<{link}> map onto the specified
1583	map is not valid (or omitted), the player will be moved back to the	1749	map. If the map is not valid (or omitted), the player will be moved back
1584	location he/she was before the call to C<enter_link>, or, if that fails,	1750	to the location he/she was before the call to C<enter_link>, or, if that
1585	to the emergency map position.	1751	fails, to the emergency map position.
1586		1752
1587	Might block.	1753	Might block.
1588		1754
1589	=cut	1755	=cut
		1756
		1757	sub link_map {
		1758	unless ($LINK_MAP) {
		1759	$LINK_MAP = cf::map::find "{link}"
		1760	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1761	$LINK_MAP->load;
		1762	}
		1763
		1764	$LINK_MAP
		1765	}
1590		1766
1591	sub cf::object::player::enter_link {	1767	sub cf::object::player::enter_link {
1592	my ($self) = @_;	1768	my ($self) = @_;
1593		1769
1594	$self->deactivate_recursive;	1770	$self->deactivate_recursive;
1595		1771
1596	return if $self->map == $LINK_MAP;	1772	return if UNIVERSAL::isa $self->map, "ext::map_link";
1597		1773
1598	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1599	if $self->map;	1775	if $self->map;
1600		1776
1601	$self->enter_map ($LINK_MAP, 20, 20);	1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1602	}	1778	}
1603		1779
1604	sub cf::object::player::leave_link {	1780	sub cf::object::player::leave_link {
1605	my ($self, $map, $x, $y) = @_;	1781	my ($self, $map, $x, $y) = @_;
1606		1782
…		…
1624	# use -1 or undef as default coordinates, not 0, 0	1800	# use -1 or undef as default coordinates, not 0, 0
1625	($x, $y) = ($map->enter_x, $map->enter_y)	1801	($x, $y) = ($map->enter_x, $map->enter_y)
1626	if $x <=0 && $y <= 0;	1802	if $x <=0 && $y <= 0;
1627		1803
1628	$map->load;	1804	$map->load;
		1805	$map->load_diag;
1629		1806
1630	return unless $self->contr->active;	1807	return unless $self->contr->active;
1631	$self->activate_recursive;	1808	$self->activate_recursive;
		1809
		1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1632	$self->enter_map ($map, $x, $y);	1811	$self->enter_map ($map, $x, $y);
1633	}	1812	}
1634		1813
1635	cf::player->attach (	1814	cf::player->attach (
1636	on_logout => sub {	1815	on_logout => sub {
…		…
1649	# try to abort aborted map switching on player login :)	1828	# try to abort aborted map switching on player login :)
1650	# should happen only on crashes	1829	# should happen only on crashes
1651	if ($pl->ob->{_link_pos}) {	1830	if ($pl->ob->{_link_pos}) {
1652	$pl->ob->enter_link;	1831	$pl->ob->enter_link;
1653	(async {	1832	(async {
1654	# we need this sleep as the login has a concurrent enter_exit running
1655	# and this sleep increases chances of the player not ending up in scorn
1656	$pl->ob->reply (undef,	1833	$pl->ob->reply (undef,
1657	"There was an internal problem at your last logout, "	1834	"There was an internal problem at your last logout, "
1658	. "the server will try to bring you to your intended destination in a second.",	1835	. "the server will try to bring you to your intended destination in a second.",
1659	cf::NDI_RED);	1836	cf::NDI_RED);
		1837	# we need this sleep as the login has a concurrent enter_exit running
		1838	# and this sleep increases chances of the player not ending up in scorn
1660	Coro::Timer::sleep 1;	1839	Coro::Timer::sleep 1;
1661	$pl->ob->leave_link;	1840	$pl->ob->leave_link;
1662	})->prio (2);	1841	})->prio (2);
1663	}	1842	}
1664	},	1843	},
…		…
1672	my ($self, $path, $x, $y) = @_;	1851	my ($self, $path, $x, $y) = @_;
1673		1852
1674	$self->enter_link;	1853	$self->enter_link;
1675		1854
1676	(async {	1855	(async {
1677	$path = new cf::path $path;	1856	my $map = eval {
1678
1679	my $map = cf::map::find $path->as_string;	1857	my $map = cf::map::find $path;
1680	$map = $map->customise_for ($self) if $map;	1858	$map = $map->customise_for ($self) if $map;
1681		1859	$map
1682	# warn "entering ", $map->path, " at ($x, $y)\n"	1860	} or
1683	# if $map;
1684
1685	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1686		1862
1687	$self->leave_link ($map, $x, $y);	1863	$self->leave_link ($map, $x, $y);
1688	})->prio (1);	1864	})->prio (1);
1689	}	1865	}
1690		1866
…		…
1694		1870
1695	sub parse_random_map_params {	1871	sub parse_random_map_params {
1696	my ($spec) = @_;	1872	my ($spec) = @_;
1697		1873
1698	my $rmp = { # defaults	1874	my $rmp = { # defaults
1699	xsize => 10,	1875	xsize => (cf::rndm 15, 40),
1700	ysize => 10,	1876	ysize => (cf::rndm 15, 40),
		1877	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1878	#layout => string,
1701	};	1879	};
1702		1880
1703	for (split /\n/, $spec) {	1881	for (split /\n/, $spec) {
1704	my ($k, $v) = split /\s+/, $_, 2;	1882	my ($k, $v) = split /\s+/, $_, 2;
1705		1883
…		…
1709	$rmp	1887	$rmp
1710	}	1888	}
1711		1889
1712	sub prepare_random_map {	1890	sub prepare_random_map {
1713	my ($exit) = @_;	1891	my ($exit) = @_;
		1892
		1893	my $guard = cf::lock_acquire "exit_prepare:$exit";
1714		1894
1715	# all this does is basically replace the /! path by	1895	# all this does is basically replace the /! path by
1716	# a new random map path (?random/...) with a seed	1896	# a new random map path (?random/...) with a seed
1717	# that depends on the exit object	1897	# that depends on the exit object
1718		1898
1719	my $rmp = parse_random_map_params $exit->msg;	1899	my $rmp = parse_random_map_params $exit->msg;
1720		1900
1721	if ($exit->map) {	1901	if ($exit->map) {
1722	$rmp->{region} = $exit->map->region_name;	1902	$rmp->{region} = $exit->region->name;
1723	$rmp->{origin_map} = $exit->map->path;	1903	$rmp->{origin_map} = $exit->map->path;
1724	$rmp->{origin_x} = $exit->x;	1904	$rmp->{origin_x} = $exit->x;
1725	$rmp->{origin_y} = $exit->y;	1905	$rmp->{origin_y} = $exit->y;
1726	}	1906	}
1727		1907
1728	$rmp->{random_seed} ||= $exit->random_seed;	1908	$rmp->{random_seed} ||= $exit->random_seed;
1729		1909
1730	my $data = cf::to_json $rmp;	1910	my $data = cf::to_json $rmp;
1731	my $md5 = Digest::MD5::md5_hex $data;	1911	my $md5 = Digest::MD5::md5_hex $data;
		1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1732		1913
1733	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1734	aio_write $fh, 0, (length $data), $data, 0;	1915	aio_write $fh, 0, (length $data), $data, 0;
		1916	undef $fh;
		1917	aio_rename "$meta~", $meta;
1735		1918
1736	$exit->slaying ("?random/$md5");	1919	$exit->slaying ("?random/$md5");
1737	$exit->msg (undef);	1920	$exit->msg (undef);
1738	}	1921	}
1739	}	1922	}
1740		1923
1741	sub cf::object::player::enter_exit {	1924	sub cf::object::player::enter_exit {
1742	my ($self, $exit) = @_;	1925	my ($self, $exit) = @_;
1743		1926
1744	return unless $self->type == cf::PLAYER;	1927	return unless $self->type == cf::PLAYER;
		1928
		1929	if ($exit->slaying eq "/!") {
		1930	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1931	cf::sync_job { prepare_random_map $exit };
		1932	}
		1933
		1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1935	my $hp = $exit->stats->hp;
		1936	my $sp = $exit->stats->sp;
1745		1937
1746	$self->enter_link;	1938	$self->enter_link;
1747		1939
1748	(async {	1940	(async {
1749	$self->deactivate_recursive; # just to be sure	1941	$self->deactivate_recursive; # just to be sure
1750	unless (eval {	1942	unless (eval {
1751	prepare_random_map $exit	1943	$self->goto ($slaying, $hp, $sp);
1752	if $exit->slaying eq "/!";
1753
1754	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1755	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1756		1944
1757	1;	1945	1;
1758	}) {	1946	}) {
1759	$self->message ("Something went wrong deep within the crossfire server. "	1947	$self->message ("Something went wrong deep within the crossfire server. "
1760	. "I'll try to bring you back to the map you were before. "	1948	. "I'll try to bring you back to the map you were before. "
1761	. "Please report this to the dungeon master",	1949	. "Please report this to the dungeon master!",
1762	cf::NDI_UNIQUE | cf::NDI_RED);	1950	cf::NDI_UNIQUE | cf::NDI_RED);
1763		1951
1764	warn "ERROR in enter_exit: $@";	1952	warn "ERROR in enter_exit: $@";
1765	$self->leave_link;	1953	$self->leave_link;
1766	}	1954	}
…		…
1821	# get handled first	2009	# get handled first
1822	my $queue = delete $ns->{query_queue}	2010	my $queue = delete $ns->{query_queue}
1823	or return; # be conservative, not sure how that can happen, but we saw a crash here	2011	or return; # be conservative, not sure how that can happen, but we saw a crash here
1824		2012
1825	(shift @$queue)->[1]->($msg);	2013	(shift @$queue)->[1]->($msg);
		2014	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1826		2015
1827	push @{ $ns->{query_queue} }, @$queue;	2016	push @{ $ns->{query_queue} }, @$queue;
1828		2017
1829	if (@{ $ns->{query_queue} } == @$queue) {	2018	if (@{ $ns->{query_queue} } == @$queue) {
1830	if (@$queue) {	2019	if (@$queue) {
…		…
1991	The parameter C<$family> should best start with the name of the extension	2180	The parameter C<$family> should best start with the name of the extension
1992	using it, it should be unique.	2181	using it, it should be unique.
1993		2182
1994	=over 4	2183	=over 4
1995		2184
1996	=item $hashref = cf::db_get $family
1997
1998	Return a hashref for use by the extension C<$family>, which can be
1999	modified. After modifications, you have to call C<cf::db_dirty> or
2000	C<cf::db_sync>.
2001
2002	=item $value = cf::db_get $family => $key	2185	=item $value = cf::db_get $family => $key
2003		2186
2004	Returns a single value from the database	2187	Returns a single value from the database.
2005
2006	=item cf::db_put $family => $hashref
2007
2008	Stores the given family hashref into the database. Updates are delayed, if
2009	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2010		2188
2011	=item cf::db_put $family => $key => $value	2189	=item cf::db_put $family => $key => $value
2012		2190
2013	Stores the given C<$value> in the family hash. Updates are delayed, if you	2191	Stores the given C<$value> in the family.
2014	want the data to be synced to disk immediately, use C<cf::db_sync>.
2015
2016	=item cf::db_dirty
2017
2018	Marks the database as dirty, to be updated at a later time.
2019
2020	=item cf::db_sync
2021
2022	Immediately write the database to disk I<if it is dirty>.
2023		2192
2024	=cut	2193	=cut
2025		2194
2026	our $DB;	2195	our $DB;
2027		2196
2028	{	2197	sub db_init {
		2198	unless ($DB) {
		2199	$DB = BDB::db_create $DB_ENV;
		2200
		2201	cf::sync_job {
		2202	eval {
		2203	$DB->set_flags (BDB::CHKSUM);
		2204
		2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2207	cf::cleanup "db_open(db): $!" if $!;
		2208	};
		2209	cf::cleanup "db_open(db): $@" if $@;
		2210	};
		2211
2029	my $path = cf::localdir . "/database.pst";	2212	my $path = cf::localdir . "/database.pst";
		2213	if (stat $path) {
		2214	cf::sync_job {
		2215	my $pst = Storable::retrieve $path;
2030		2216
2031	sub db_load() {	2217	cf::db_put (board => data => $pst->{board});
2032	$DB = stat $path ? Storable::retrieve $path : { };	2218	cf::db_put (guildrules => data => $pst->{guildrules});
2033	}	2219	cf::db_put (rent => balance => $pst->{rent}{balance});
		2220	BDB::db_env_txn_checkpoint $DB_ENV;
2034		2221
2035	my $pid;	2222	unlink $path;
2036
2037	sub db_save() {
2038	waitpid $pid, 0 if $pid;
2039	if (0 == ($pid = fork)) {
2040	$DB->{_meta}{version} = 1;
2041	Storable::nstore $DB, "$path~";
2042	rename "$path~", $path;
2043	cf::_exit 0 if defined $pid;
2044	}	2223	};
2045	}
2046
2047	my $dirty;
2048
2049	sub db_sync() {
2050	db_save if $dirty;
2051	undef $dirty;
2052	}
2053
2054	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2055	db_sync;
2056	});
2057
2058	sub db_dirty() {
2059	$dirty = 1;
2060	$idle->start;
2061	}
2062
2063	sub db_get($;$) {
2064	@_ >= 2
2065	? $DB->{$_[0]}{$_[1]}
2066	: ($DB->{$_[0]} ||= { })
2067	}
2068
2069	sub db_put($$;$) {
2070	if (@_ >= 3) {
2071	$DB->{$_[0]}{$_[1]} = $_[2];
2072	} else {
2073	$DB->{$_[0]} = $_[1];
2074	}
2075	db_dirty;
2076	}
2077
2078	cf::global->attach (
2079	prio => 10000,
2080	on_cleanup => sub {
2081	db_sync;
2082	},	2224	}
2083	);	2225	}
		2226	}
		2227
		2228	sub db_get($$) {
		2229	my $key = "$_[0]/$_[1]";
		2230
		2231	cf::sync_job {
		2232	BDB::db_get $DB, undef, $key, my $data;
		2233
		2234	$! ? ()
		2235	: Compress::LZF::sthaw $data
		2236	}
		2237	}
		2238
		2239	sub db_put($$$) {
		2240	BDB::dbreq_pri 4;
		2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2084	}	2242	}
2085		2243
2086	#############################################################################	2244	#############################################################################
2087	# the server's main()	2245	# the server's init and main functions
		2246
		2247	sub load_resources {
		2248	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2249	or die "unable to load regions file\n";#d#
		2250	}
2088		2251
2089	sub cfg_load {	2252	sub cfg_load {
2090	open my $fh, "<:utf8", cf::confdir . "/config"	2253	open my $fh, "<:utf8", cf::confdir . "/config"
2091	or return;	2254	or return;
2092		2255
…		…
2105	};	2268	};
2106	warn $@ if $@;	2269	warn $@ if $@;
2107	}	2270	}
2108	}	2271	}
2109		2272
		2273	sub init {
		2274	load_resources;
		2275	}
		2276
2110	sub main {	2277	sub main {
2111	# we must not ever block the main coroutine	2278	# we must not ever block the main coroutine
2112	local $Coro::idle = sub {	2279	local $Coro::idle = sub {
2113	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2281	(async {
2114	async { Event::one_event };	2282	Event::one_event;
		2283	})->prio (Coro::PRIO_MAX);
2115	};	2284	};
2116		2285
2117	cfg_load;	2286	cfg_load;
2118	db_load;	2287	db_init;
2119	load_extensions;	2288	load_extensions;
		2289
		2290	$TICK_WATCHER->start;
2120	Event::loop;	2291	Event::loop;
2121	}	2292	}
2122		2293
2123	#############################################################################	2294	#############################################################################
2124	# initialisation	2295	# initialisation and cleanup
		2296
		2297	# install some emergency cleanup handlers
		2298	BEGIN {
		2299	for my $signal (qw(INT HUP TERM)) {
		2300	Event->signal (
		2301	reentrant => 0,
		2302	data => WF_AUTOCANCEL,
		2303	signal => $signal,
		2304	prio => 0,
		2305	cb => sub {
		2306	cf::cleanup "SIG$signal";
		2307	},
		2308	);
		2309	}
		2310	}
		2311
		2312	sub emergency_save() {
		2313	my $freeze_guard = cf::freeze_mainloop;
		2314
		2315	warn "enter emergency perl save\n";
		2316
		2317	cf::sync_job {
		2318	# use a peculiar iteration method to avoid tripping on perl
		2319	# refcount bugs in for. also avoids problems with players
		2320	# and maps saved/destroyed asynchronously.
		2321	warn "begin emergency player save\n";
		2322	for my $login (keys %cf::PLAYER) {
		2323	my $pl = $cf::PLAYER{$login} or next;
		2324	$pl->valid or next;
		2325	$pl->save;
		2326	}
		2327	warn "end emergency player save\n";
		2328
		2329	warn "begin emergency map save\n";
		2330	for my $path (keys %cf::MAP) {
		2331	my $map = $cf::MAP{$path} or next;
		2332	$map->valid or next;
		2333	$map->save;
		2334	}
		2335	warn "end emergency map save\n";
		2336
		2337	warn "begin emergency database checkpoint\n";
		2338	BDB::db_env_txn_checkpoint $DB_ENV;
		2339	warn "end emergency database checkpoint\n";
		2340	};
		2341
		2342	warn "leave emergency perl save\n";
		2343	}
		2344
		2345	sub post_cleanup {
		2346	my ($make_core) = @_;
		2347
		2348	warn Carp::longmess "post_cleanup backtrace"
		2349	if $make_core;
		2350	}
2125		2351
2126	sub reload() {	2352	sub reload() {
2127	# can/must only be called in main	2353	# can/must only be called in main
2128	if ($Coro::current != $Coro::main) {	2354	if ($Coro::current != $Coro::main) {
2129	warn "can only reload from main coroutine\n";	2355	warn "can only reload from main coroutine";
2130	return;	2356	return;
2131	}	2357	}
2132		2358
2133	warn "reloading...";	2359	warn "reloading...";
2134		2360
2135	my $guard = freeze_mainloop;	2361	warn "entering sync_job";
		2362
		2363	cf::sync_job {
		2364	cf::write_runtime; # external watchdog should not bark
2136	cf::emergency_save;	2365	cf::emergency_save;
		2366	cf::write_runtime; # external watchdog should not bark
2137		2367
2138	eval {	2368	warn "syncing database to disk";
		2369	BDB::db_env_txn_checkpoint $DB_ENV;
		2370
2139	# if anything goes wrong in here, we should simply crash as we already saved	2371	# if anything goes wrong in here, we should simply crash as we already saved
2140		2372
2141	# cancel all watchers	2373	warn "cancelling all WF_AUTOCANCEL watchers";
2142	for (Event::all_watchers) {	2374	for (Event::all_watchers) {
2143	$_->cancel if $_->data & WF_AUTOCANCEL;	2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2144	}	2376	}
2145		2377
		2378	warn "flushing outstanding aio requests";
		2379	for (;;) {
		2380	BDB::flush;
		2381	IO::AIO::flush;
		2382	Coro::cede;
		2383	last unless IO::AIO::nreqs || BDB::nreqs;
		2384	warn "iterate...";
		2385	}
		2386
2146	# cancel all extension coros	2387	warn "cancelling all extension coros";
2147	$_->cancel for values %EXT_CORO;	2388	$_->cancel for values %EXT_CORO;
2148	%EXT_CORO = ();	2389	%EXT_CORO = ();
2149		2390
2150	# unload all extensions	2391	warn "removing commands";
2151	for (@exts) {	2392	%COMMAND = ();
		2393
		2394	warn "removing ext commands";
		2395	%EXTCMD = ();
		2396
		2397	warn "unloading/nuking all extensions";
		2398	for my $pkg (@EXTS) {
2152	warn "unloading <$_>";	2399	warn "... unloading $pkg";
2153	unload_extension $_;	2400
		2401	if (my $cb = $pkg->can ("unload")) {
		2402	eval {
		2403	$cb->($pkg);
		2404	1
		2405	} or warn "$pkg unloaded, but with errors: $@";
2154	}	2406	}
2155		2407
		2408	warn "... nuking $pkg";
		2409	Symbol::delete_package $pkg;
		2410	}
		2411
2156	# unload all modules loaded from $LIBDIR	2412	warn "unloading all perl modules loaded from $LIBDIR";
2157	while (my ($k, $v) = each %INC) {	2413	while (my ($k, $v) = each %INC) {
2158	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2414	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2159		2415
2160	warn "removing <$k>";	2416	warn "... unloading $k";
2161	delete $INC{$k};	2417	delete $INC{$k};
2162		2418
2163	$k =~ s/\.pm$//;	2419	$k =~ s/\.pm$//;
2164	$k =~ s/\//::/g;	2420	$k =~ s/\//::/g;
2165		2421
…		…
2168	}	2424	}
2169		2425
2170	Symbol::delete_package $k;	2426	Symbol::delete_package $k;
2171	}	2427	}
2172		2428
2173	# sync database to disk
2174	cf::db_sync;
2175	IO::AIO::flush;
2176
2177	# get rid of safe::, as good as possible	2429	warn "getting rid of safe::, as good as possible";
2178	Symbol::delete_package "safe::$_"	2430	Symbol::delete_package "safe::$_"
2179	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2180		2432
2181	# remove register_script_function callbacks
2182	# TODO
2183
2184	# unload cf.pm "a bit"	2433	warn "unloading cf.pm \"a bit\"";
2185	delete $INC{"cf.pm"};	2434	delete $INC{"cf.pm"};
2186		2435
2187	# don't, removes xs symbols, too,	2436	# don't, removes xs symbols, too,
2188	# and global variables created in xs	2437	# and global variables created in xs
2189	#Symbol::delete_package __PACKAGE__;	2438	#Symbol::delete_package __PACKAGE__;
2190		2439
2191	# reload cf.pm	2440	warn "unload completed, starting to reload now";
		2441
2192	warn "reloading cf.pm";	2442	warn "reloading cf.pm";
2193	require cf;	2443	require cf;
2194	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2195		2445
2196	# load config and database again	2446	warn "loading config and database again";
2197	cf::cfg_load;	2447	cf::cfg_load;
2198	cf::db_load;
2199		2448
2200	# load extensions
2201	warn "load extensions";	2449	warn "loading extensions";
2202	cf::load_extensions;	2450	cf::load_extensions;
2203		2451
2204	# reattach attachments to objects	2452	warn "reattaching attachments to objects/players";
2205	warn "reattach";
2206	_global_reattach;	2453	_global_reattach;
		2454	warn "reattaching attachments to maps";
2207	reattach $_ for values %MAP;	2455	reattach $_ for values %MAP;
2208	};
2209		2456
2210	if ($@) {	2457	warn "loading reloadable resources";
		2458	load_resources;
		2459
		2460	warn "leaving sync_job";
		2461
		2462	1
		2463	} or do {
2211	warn $@;	2464	warn $@;
2212	warn "error while reloading, exiting.";	2465	warn "error while reloading, exiting.";
2213	exit 1;	2466	exit 1;
2214	}	2467	};
2215		2468
2216	warn "reloaded successfully";	2469	warn "reloaded";
2217	};	2470	};
2218		2471
2219	#############################################################################	2472	our $RELOAD_WATCHER; # used only during reload
2220
2221	unless ($LINK_MAP) {
2222	$LINK_MAP = cf::map::new;
2223
2224	$LINK_MAP->width (41);
2225	$LINK_MAP->height (41);
2226	$LINK_MAP->alloc;
2227	$LINK_MAP->path ("{link}");
2228	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2229	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2230
2231	# dirty hack because... archetypes are not yet loaded
2232	Event->timer (
2233	after => 10,
2234	cb => sub {
2235	$_[0]->w->cancel;
2236
2237	# provide some exits "home"
2238	my $exit = cf::object::new "exit";
2239
2240	$exit->slaying ($EMERGENCY_POSITION->[0]);
2241	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2242	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2243
2244	$LINK_MAP->insert ($exit->clone, 19, 19);
2245	$LINK_MAP->insert ($exit->clone, 19, 20);
2246	$LINK_MAP->insert ($exit->clone, 19, 21);
2247	$LINK_MAP->insert ($exit->clone, 20, 19);
2248	$LINK_MAP->insert ($exit->clone, 20, 21);
2249	$LINK_MAP->insert ($exit->clone, 21, 19);
2250	$LINK_MAP->insert ($exit->clone, 21, 20);
2251	$LINK_MAP->insert ($exit->clone, 21, 21);
2252
2253	$exit->destroy;
2254	});
2255
2256	$LINK_MAP->{deny_save} = 1;
2257	$LINK_MAP->{deny_reset} = 1;
2258
2259	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2260	}
2261
2262	register "<global>", __PACKAGE__;
2263		2473
2264	register_command "reload" => sub {	2474	register_command "reload" => sub {
2265	my ($who, $arg) = @_;	2475	my ($who, $arg) = @_;
2266		2476
2267	if ($who->flag (FLAG_WIZ)) {	2477	if ($who->flag (FLAG_WIZ)) {
2268	$who->message ("start of reload.");	2478	$who->message ("reloading server.");
		2479
		2480	# doing reload synchronously and two reloads happen back-to-back,
		2481	# coro crashes during coro_state_free->destroy here.
		2482
		2483	$RELOAD_WATCHER ||= Event->timer (
		2484	reentrant => 0,
		2485	after => 0,
		2486	data => WF_AUTOCANCEL,
		2487	cb => sub {
2269	reload;	2488	reload;
2270	$who->message ("end of reload.");	2489	undef $RELOAD_WATCHER;
		2490	},
		2491	);
2271	}	2492	}
2272	};	2493	};
2273		2494
2274	unshift @INC, $LIBDIR;	2495	unshift @INC, $LIBDIR;
		2496
		2497	my $bug_warning = 0;
2275		2498
2276	$TICK_WATCHER = Event->timer (	2499	$TICK_WATCHER = Event->timer (
2277	reentrant => 0,	2500	reentrant => 0,
		2501	parked => 1,
2278	prio => 0,	2502	prio => 0,
2279	at => $NEXT_TICK || $TICK,	2503	at => $NEXT_TICK || $TICK,
2280	data => WF_AUTOCANCEL,	2504	data => WF_AUTOCANCEL,
2281	cb => sub {	2505	cb => sub {
		2506	if ($Coro::current != $Coro::main) {
		2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2508	unless ++$bug_warning > 10;
		2509	return;
		2510	}
		2511
		2512	$NOW = Event::time;
		2513
2282	cf::server_tick; # one server iteration	2514	cf::server_tick; # one server iteration
2283	$RUNTIME += $TICK;	2515	$RUNTIME += $TICK;
2284	$NEXT_TICK += $TICK;	2516	$NEXT_TICK += $TICK;
		2517
		2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2519	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2520	Coro::async_pool {
		2521	write_runtime
		2522	or warn "ERROR: unable to write runtime file: $!";
		2523	};
		2524	}
		2525
		2526
		2527	$WAIT_FOR_TICK->broadcast;
		2528	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2529
		2530	# my $AFTER = Event::time;
		2531	# warn $AFTER - $NOW;#d#
2285		2532
2286	# if we are delayed by four ticks or more, skip them all	2533	# if we are delayed by four ticks or more, skip them all
2287	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2534	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2288		2535
2289	$TICK_WATCHER->at ($NEXT_TICK);	2536	$TICK_WATCHER->at ($NEXT_TICK);
2290	$TICK_WATCHER->start;	2537	$TICK_WATCHER->start;
2291	},	2538	},
2292	);	2539	);
2293		2540
		2541	{
2294	IO::AIO::max_poll_time $TICK * 0.2;	2542	BDB::max_poll_time $TICK * 0.1;
2295		2543	$BDB_POLL_WATCHER = Event->io (
2296	Event->io (	2544	reentrant => 0,
2297	fd => IO::AIO::poll_fileno,	2545	fd => BDB::poll_fileno,
2298	poll => 'r',	2546	poll => 'r',
2299	prio => 5,	2547	prio => 0,
2300	data => WF_AUTOCANCEL,
2301	cb => \&IO::AIO::poll_cb,
2302	);
2303
2304	Event->timer (
2305	data => WF_AUTOCANCEL,	2548	data => WF_AUTOCANCEL,
2306	after => 0,	2549	cb => \&BDB::poll_cb,
2307	interval => 10,	2550	);
2308	cb => sub {	2551	BDB::min_parallel 8;
2309	(Coro::unblock_sub {	2552
2310	write_runtime	2553	BDB::set_sync_prepare {
2311	or warn "ERROR: unable to write runtime file: $!";	2554	my $status;
		2555	my $current = $Coro::current;
		2556	(
		2557	sub {
		2558	$status = $!;
		2559	$current->ready; undef $current;
		2560	},
		2561	sub {
		2562	Coro::schedule while defined $current;
		2563	$! = $status;
		2564	},
		2565	)
		2566	};
		2567
		2568	unless ($DB_ENV) {
		2569	$DB_ENV = BDB::db_env_create;
		2570
		2571	cf::sync_job {
		2572	eval {
		2573	BDB::db_env_open
		2574	$DB_ENV,
		2575	$BDB_ENV_DIR,
		2576	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2577	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2578	0666;
		2579
		2580	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2581
		2582	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2583	$DB_ENV->set_lk_detect;
		2584	};
		2585
		2586	cf::cleanup "db_env_open(db): $@" if $@;
2312	})->();	2587	};
2313	},	2588	}
2314	);	2589	}
		2590
		2591	{
		2592	IO::AIO::min_parallel 8;
		2593
		2594	undef $Coro::AIO::WATCHER;
		2595	IO::AIO::max_poll_time $TICK * 0.1;
		2596	$AIO_POLL_WATCHER = Event->io (
		2597	reentrant => 0,
		2598	data => WF_AUTOCANCEL,
		2599	fd => IO::AIO::poll_fileno,
		2600	poll => 'r',
		2601	prio => 6,
		2602	cb => \&IO::AIO::poll_cb,
		2603	);
		2604	}
2315		2605
2316	END { cf::emergency_save }	2606	END { cf::emergency_save }
2317		2607
2318	1	2608	1
2319		2609

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