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 1.140 by root, Fri Jan 5 20:04:02 2007 UTC vs.
Revision 1.219 by root, Sat Feb 17 03:19:44 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 2.31 ();	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
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	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
56		78
57	binmode STDOUT;	79	binmode STDOUT;
58	binmode STDERR;	80	binmode STDERR;
59		81
60	# read virtual server time, if available	82	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	89	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
72		95
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
76		99
77	#############################################################################	100	#############################################################################
78		101
79	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
80		103
…		…
104		127
105	=item %cf::CFG	128	=item %cf::CFG
106		129
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		139
110	=back	140	=back
111		141
112	=cut	142	=cut
113		143
…		…
117	utf8::encode $msg;	147	utf8::encode $msg;
118		148
119	$msg .= "\n"	149	$msg .= "\n"
120	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
121		151
122	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
123	};	153	};
124	}	154	}
125		155
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		175
146	$Event::DIED = sub {	176	$Event::DIED = sub {
147	warn "error in event callback: @_";	177	warn "error in event callback: @_";
148	};	178	};
149		179
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
155		181
156	=over 4	182	=over 4
157		183
		184	=item dumpval $ref
		185
158	=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	}
159		206
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		208
162	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
163		210
…		…
224	}	271	}
225		272
226	sub freeze_mainloop {	273	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
228		275
229	my $guard = Coro::guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
230	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
231	$guard	280	$guard
232	}	281	}
233		282
234	=item cf::async { BLOCK }	283	=item cf::async { BLOCK }
…		…
273	warn $@ if $@;	322	warn $@ if $@;
274	undef $busy;	323	undef $busy;
275	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
276		325
277	while ($busy) {	326	while ($busy) {
278	unless (Coro::cede) {	327	Coro::cede or Event::one_event;
279	Coro::nready ? Event::one_event 0 : Event::one_event;
280	Coro::cede_notself unless Coro::cede;
281	}
282	}	328	}
283		329
284	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
285	} else {	331	} else {
286	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
…		…
289	}	335	}
290	}	336	}
291		337
292	=item $coro = cf::async_ext { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
293		339
294	Like async, but this coro is automcatially being canceled when the	340	Like async, but this coro is automatically being canceled when the
295	extension calling this is being unloaded.	341	extension calling this is being unloaded.
296		342
297	=cut	343	=cut
298		344
299	sub async_ext(&) {	345	sub async_ext(&) {
…		…
308		354
309	$coro	355	$coro
310	}	356	}
311		357
312	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
313	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
314		362
315	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
316	or return;	364	or return;
317		365
		366	my $value = $cf::RUNTIME + 90 + 10;
318	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
319	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
320	and return;	371	and return;
321		372
		373	# always fsync - this file is important
322	aio_fsync $fh	374	aio_fsync $fh
323	and return;	375	and return;
324		376
325	close $fh	377	close $fh
326	or return;	378	or return;
…		…
332	}	384	}
333		385
334	=back	386	=back
335		387
336	=cut	388	=cut
337
338	#############################################################################
339
340	package cf::path;
341
342	sub new {
343	my ($class, $path, $base) = @_;
344
345	$path = $path->as_string if ref $path;
346
347	my $self = bless { }, $class;
348
349	# {... are special paths that are not touched
350	# ?xxx/... are special absolute paths
351	# ?random/... random maps
352	# /! non-realised random map exit
353	# /... normal maps
354	# ~/... per-player maps without a specific player (DO NOT USE)
355	# ~user/... per-player map of a specific user
356
357	if ($path =~ /^{/) {
358	# fine as it is
359	} elsif ($path =~ s{^\?random/}{}) {
360	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
361	$self->{random} = cf::from_json $data;
362	} else {
363	if ($path =~ s{^~([^/]+)?}{}) {
364	$self->{user_rel} = 1;
365
366	if (defined $1) {
367	$self->{user} = $1;
368	} elsif ($base =~ m{^~([^/]+)/}) {
369	$self->{user} = $1;
370	} else {
371	warn "cannot resolve user-relative path without user <$path,$base>\n";
372	}
373	} elsif ($path =~ /^\//) {
374	# already absolute
375	} else {
376	$base =~ s{[^/]+/?$}{};
377	return $class->new ("$base/$path");
378	}
379
380	for ($path) {
381	redo if s{/\.?/}{/};
382	redo if s{/[^/]+/\.\./}{/};
383	}
384	}
385
386	$self->{path} = $path;
387
388	$self
389	}
390
391	# the name / primary key / in-game path
392	sub as_string {
393	my ($self) = @_;
394
395	$self->{user_rel} ? "~$self->{user}$self->{path}"
396	: $self->{random} ? "?random/$self->{path}"
397	: $self->{path}
398	}
399
400	# the displayed name, this is a one way mapping
401	sub visible_name {
402	my ($self) = @_;
403
404	# if (my $rmp = $self->{random}) {
405	# # todo: be more intelligent about this
406	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
407	# } else {
408	$self->as_string
409	# }
410	}
411
412	# escape the /'s in the path
413	sub _escaped_path {
414	# ∕ is U+2215
415	(my $path = $_[0]{path}) =~ s/\//∕/g;
416	$path
417	}
418
419	# the original (read-only) location
420	sub load_path {
421	my ($self) = @_;
422
423	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
424	}
425
426	# the temporary/swap location
427	sub save_path {
428	my ($self) = @_;
429
430	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
431	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
432	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
433	}
434
435	# the unique path, might be eq to save_path
436	sub uniq_path {
437	my ($self) = @_;
438
439	$self->{user_rel} || $self->{random}
440	? undef
441	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
442	}
443
444	# return random map parameters, or undef
445	sub random_map_params {
446	my ($self) = @_;
447
448	$self->{random}
449	}
450
451	# this is somewhat ugly, but style maps do need special treatment
452	sub is_style_map {
453	$_[0]{path} =~ m{^/styles/}
454	}
455
456	package cf;
457		389
458	#############################################################################	390	#############################################################################
459		391
460	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
461		393
…		…
587	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
588	our @CB_MAP = ();	520	our @CB_MAP = ();
589		521
590	my %attachment;	522	my %attachment;
591		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
592	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
593	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
594		532
595	use sort 'stable';	533	use sort 'stable';
596		534
…		…
767	# object support	705	# object support
768		706
769	sub reattach {	707	sub reattach {
770	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
771	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		712
773	my $registry = $obj->registry;	713	my $registry = $obj->registry;
774		714
775	@$registry = ();	715	@$registry = ();
776		716
…		…
823	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
824		764
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	769	close $fh;
830		770
831	if (@$objs) {	771	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	777	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
839	}	779	}
840	} else {	780	} else {
841	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
908	=cut	848	=cut
909		849
910	sub register_extcmd {	850	sub register_extcmd {
911	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
912		852
913	my $caller = caller;
914	#warn "registering extcmd '$name' to '$caller'";
915
916	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
917	}	854	}
918		855
919	cf::player->attach (	856	cf::player->attach (
920	on_command => sub {	857	on_command => sub {
921	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
934		871
935	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
936		873
937	if (ref $msg) {	874	if (ref $msg) {
938	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
939	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
940	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
941	}	878	}
942	}	879	}
943	} else {	880	} else {
944	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
946		883
947	cf::override;	884	cf::override;
948	},	885	},
949	);	886	);
950		887
951	sub register {
952	my ($base, $pkg) = @_;
953
954	#TODO
955	}
956
957	sub load_extension {	888	sub load_extension {
958	my ($path) = @_;	889	my ($path) = @_;
959		890
960	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
961	my $base = $1;	892	my $base = $1;
962	my $pkg = $1;	893	my $pkg = $1;
963	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
964	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
965		896
966	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
967		898
968	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
969	or die "$path: $!";	900	or die "$path: $!";
970		901
971	my $source =	902	my $source =
972	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
973	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
974	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
975	. "\n};\n1";	906	. "\n};\n1";
976		907
977	eval $source	908	unless (eval $source) {
978	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
979	: "extension disabled.\n";	910	: "extension disabled.\n";
980		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
981	push @exts, $pkg;	912	warn $@;
982	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
983		914	exit 1;
984	# no strict 'refs';	915	}
985	# @{"$pkg\::ISA"} = ext::;	916	die $@;
986
987	register $base, $pkg;
988	}
989
990	sub unload_extension {
991	my ($pkg) = @_;
992
993	warn "removing extension $pkg\n";
994
995	# remove hooks
996	#TODO
997	# for my $idx (0 .. $#PLUGIN_EVENT) {
998	# delete $hook[$idx]{$pkg};
999	# }	917	}
1000		918
1001	# remove commands	919	push @EXTS, $pkg;
1002	for my $name (keys %COMMAND) {
1003	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1004
1005	if (@cb) {
1006	$COMMAND{$name} = \@cb;
1007	} else {
1008	delete $COMMAND{$name};
1009	}
1010	}
1011
1012	# remove extcmds
1013	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1014	delete $EXTCMD{$name};
1015	}
1016
1017	if (my $cb = $pkg->can ("unload")) {
1018	eval {
1019	$cb->($pkg);
1020	1
1021	} or warn "$pkg unloaded, but with errors: $@";
1022	}
1023
1024	Symbol::delete_package $pkg;
1025	}	920	}
1026		921
1027	sub load_extensions {	922	sub load_extensions {
1028	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1029	next unless -r $ext;	924	next unless -r $ext;
…		…
1033	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1034	}	929	}
1035	}	930	}
1036		931
1037	#############################################################################	932	#############################################################################
1038	# load/save/clean perl data associated with a map
1039
1040	*cf::mapsupport::on_clean = sub {
1041	my ($map) = @_;
1042
1043	my $path = $map->tmpname;
1044	defined $path or return;
1045
1046	unlink "$path.pst";
1047	};
1048
1049	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1050
1051	#############################################################################
1052	# load/save perl data associated with player->ob objects
1053
1054	sub all_objects(@) {
1055	@_, map all_objects ($_->inv), @_
1056	}
1057
1058	# TODO: compatibility cruft, remove when no longer needed
1059	cf::player->attach (
1060	on_load => sub {
1061	my ($pl, $path) = @_;
1062
1063	for my $o (all_objects $pl->ob) {
1064	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1065	$o->set_ob_key_value ("_perl_data");
1066
1067	%$o = %{ Storable::thaw pack "H*", $value };
1068	}
1069	}
1070	},
1071	);
1072
1073	#############################################################################
1074		933
1075	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1076		935
1077	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1078		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1079	=head3 cf::player	944	=head3 cf::player
1080		945
1081	=over 4	946	=over 4
1082		947
1083	=item cf::player::exists $login	948	=item cf::player::find $login
1084		949
1085	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1086		951
1087	=cut	952	=cut
1088		953
1089	sub cf::player::exists($) {	954	sub playerdir($) {
1090	cf::player::find $_[0]	955	cf::localdir
1091	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	956	. "/"
		957	. cf::playerdir
		958	. "/"
		959	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		960	}
		961
		962	sub path($) {
		963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		964
		965	(playerdir $login) . "/$login.pl"
		966	}
		967
		968	sub find_active($) {
		969	$cf::PLAYER{$_[0]}
		970	and $cf::PLAYER{$_[0]}->active
		971	and $cf::PLAYER{$_[0]}
		972	}
		973
		974	sub exists($) {
		975	my ($login) = @_;
		976
		977	$cf::PLAYER{$login}
		978	or cf::sync_job { !aio_stat path $login }
		979	}
		980
		981	sub find($) {
		982	return $cf::PLAYER{$_[0]} || do {
		983	my $login = $_[0];
		984
		985	my $guard = cf::lock_acquire "user_find:$login";
		986
		987	$cf::PLAYER{$_[0]} || do {
		988	my $pl = load_pl path $login
		989	or return;
		990	$cf::PLAYER{$login} = $pl
		991	}
		992	}
		993	}
		994
		995	sub save($) {
		996	my ($pl) = @_;
		997
		998	return if $pl->{deny_save};
		999
		1000	my $path = path $pl;
		1001	my $guard = cf::lock_acquire "user_save:$path";
		1002
		1003	return if $pl->{deny_save};
		1004
		1005	aio_mkdir playerdir $pl, 0770;
		1006	$pl->{last_save} = $cf::RUNTIME;
		1007
		1008	$pl->save_pl ($path);
		1009	Coro::cede;
		1010	}
		1011
		1012	sub new($) {
		1013	my ($login) = @_;
		1014
		1015	my $self = create;
		1016
		1017	$self->ob->name ($login);
		1018	$self->{deny_save} = 1;
		1019
		1020	$cf::PLAYER{$login} = $self;
		1021
		1022	$self
		1023	}
		1024
		1025	=item $pl->quit_character
		1026
		1027	Nukes the player without looking back. If logged in, the connection will
		1028	be destroyed. May block for a long time.
		1029
		1030	=cut
		1031
		1032	sub quit_character {
		1033	my ($pl) = @_;
		1034
		1035	$pl->{deny_save} = 1;
		1036	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1037
		1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1039	$pl->deactivate;
		1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1041	$pl->ns->destroy if $pl->ns;
		1042
		1043	my $path = playerdir $pl;
		1044	my $temp = "$path~$cf::RUNTIME~deleting~";
		1045	aio_rename $path, $temp;
		1046	delete $cf::PLAYER{$pl->ob->name};
		1047	$pl->destroy;
		1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item cf::player::list_logins
		1052
		1053	Returns am arrayref of all valid playernames in the system, can take a
		1054	while and may block, so not sync_job-capable, ever.
		1055
		1056	=cut
		1057
		1058	sub list_logins {
		1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1060	or return [];
		1061
		1062	my @logins;
		1063
		1064	for my $login (@$dirs) {
		1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1066	aio_read $fh, 0, 512, my $buf, 0 or next;
		1067	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1068
		1069	utf8::decode $login;
		1070	push @logins, $login;
		1071	}
		1072
		1073	\@logins
		1074	}
		1075
		1076	=item $player->maps
		1077
		1078	Returns an arrayref of map paths that are private for this
		1079	player. May block.
		1080
		1081	=cut
		1082
		1083	sub maps($) {
		1084	my ($pl) = @_;
		1085
		1086	$pl = ref $pl ? $pl->ob->name : $pl;
		1087
		1088	my $files = aio_readdir playerdir $pl
		1089	or return;
		1090
		1091	my @paths;
		1092
		1093	for (@$files) {
		1094	utf8::decode $_;
		1095	next if /\.(?:pl|pst)$/;
		1096	next unless /^$PATH_SEP/o;
		1097
		1098	push @paths, cf::map::normalise "~$pl/$_";
		1099	}
		1100
		1101	\@paths
1092	}	1102	}
1093		1103
1094	=item $player->ext_reply ($msgid, $msgtype, %msg)	1104	=item $player->ext_reply ($msgid, $msgtype, %msg)
1095		1105
1096	Sends an ext reply to the player.	1106	Sends an ext reply to the player.
1097		1107
1098	=cut	1108	=cut
1099		1109
1100	sub cf::player::ext_reply($$$%) {	1110	sub ext_reply($$$%) {
1101	my ($self, $id, %msg) = @_;	1111	my ($self, $id, %msg) = @_;
1102		1112
1103	$msg{msgid} = $id;	1113	$msg{msgid} = $id;
1104		1114
1105	$self->send ("ext " . to_json \%msg);	1115	$self->send ("ext " . cf::to_json \%msg);
1106	}	1116	}
		1117
		1118	package cf;
1107		1119
1108	=back	1120	=back
1109		1121
1110		1122
1111	=head3 cf::map	1123	=head3 cf::map
…		…
1117	package cf::map;	1129	package cf::map;
1118		1130
1119	use Fcntl;	1131	use Fcntl;
1120	use Coro::AIO;	1132	use Coro::AIO;
1121		1133
		1134	use overload
		1135	'""' => \&as_string,
		1136	fallback => 1;
		1137
1122	our $MAX_RESET = 3600;	1138	our $MAX_RESET = 3600;
1123	our $DEFAULT_RESET = 3000;	1139	our $DEFAULT_RESET = 3000;
1124		1140
1125	sub generate_random_map {	1141	sub generate_random_map {
1126	my ($path, $rmp) = @_;	1142	my ($self, $rmp) = @_;
1127
1128	# mit "rum" bekleckern, nicht	1143	# mit "rum" bekleckern, nicht
1129	cf::map::_create_random_map	1144	$self->_create_random_map (
1130	$path,
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1148	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1149	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1152	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1153	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1154	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region})	1155	(cf::region::find $rmp->{region}), $rmp->{custom}
		1156	)
		1157	}
		1158
		1159	=item cf::map->register ($regex, $prio)
		1160
		1161	Register a handler for the map path matching the given regex at the
		1162	givne priority (higher is better, built-in handlers have priority 0, the
		1163	default).
		1164
		1165	=cut
		1166
		1167	sub register {
		1168	my (undef, $regex, $prio) = @_;
		1169	my $pkg = caller;
		1170
		1171	no strict;
		1172	push @{"$pkg\::ISA"}, __PACKAGE__;
		1173
		1174	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1175	}
		1176
		1177	# also paths starting with '/'
		1178	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1179
		1180	sub thawer_merge {
		1181	my ($self, $merge) = @_;
		1182
		1183	# we have to keep some variables in memory intact
		1184	local $self->{path};
		1185	local $self->{load_path};
		1186	local $self->{deny_save};
		1187	local $self->{deny_reset};
		1188
		1189	$self->SUPER::thawer_merge ($merge);
		1190	}
		1191
		1192	sub normalise {
		1193	my ($path, $base) = @_;
		1194
		1195	$path = "$path"; # make sure its a string
		1196
		1197	$path =~ s/\.map$//;
		1198
		1199	# map plan:
		1200	#
		1201	# /! non-realised random map exit (special hack!)
		1202	# {... are special paths that are not being touched
		1203	# ?xxx/... are special absolute paths
		1204	# ?random/... random maps
		1205	# /... normal maps
		1206	# ~user/... per-player map of a specific user
		1207
		1208	$path =~ s/$PATH_SEP/\//go;
		1209
		1210	# treat it as relative path if it starts with
		1211	# something that looks reasonable
		1212	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1213	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1214
		1215	$base =~ s{[^/]+/?$}{};
		1216	$path = "$base/$path";
		1217	}
		1218
		1219	for ($path) {
		1220	redo if s{//}{/};
		1221	redo if s{/\.?/}{/};
		1222	redo if s{/[^/]+/\.\./}{/};
		1223	}
		1224
		1225	$path
		1226	}
		1227
		1228	sub new_from_path {
		1229	my (undef, $path, $base) = @_;
		1230
		1231	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1232
		1233	$path = normalise $path, $base;
		1234
		1235	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1236	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1237	my $self = bless cf::map::new, $pkg;
		1238	$self->{path} = $path; $self->path ($path);
		1239	$self->init; # pass $1 etc.
		1240	return $self;
		1241	}
		1242	}
		1243
		1244	Carp::carp "unable to resolve path '$path' (base '$base').";
		1245	()
		1246	}
		1247
		1248	sub init {
		1249	my ($self) = @_;
		1250
		1251	$self
		1252	}
		1253
		1254	sub as_string {
		1255	my ($self) = @_;
		1256
		1257	"$self->{path}"
		1258	}
		1259
		1260	# the displayed name, this is a one way mapping
		1261	sub visible_name {
		1262	&as_string
		1263	}
		1264
		1265	# the original (read-only) location
		1266	sub load_path {
		1267	my ($self) = @_;
		1268
		1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1270	}
		1271
		1272	# the temporary/swap location
		1273	sub save_path {
		1274	my ($self) = @_;
		1275
		1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1278	}
		1279
		1280	# the unique path, undef == no special unique path
		1281	sub uniq_path {
		1282	my ($self) = @_;
		1283
		1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1142	}	1286	}
1143		1287
1144	# and all this just because we cannot iterate over	1288	# and all this just because we cannot iterate over
1145	# all maps in C++...	1289	# all maps in C++...
1146	sub change_all_map_light {	1290	sub change_all_map_light {
…		…
1148		1292
1149	$_->change_map_light ($change)	1293	$_->change_map_light ($change)
1150	for grep $_->outdoor, values %cf::MAP;	1294	for grep $_->outdoor, values %cf::MAP;
1151	}	1295	}
1152		1296
		1297	sub unlink_save {
		1298	my ($self) = @_;
		1299
		1300	utf8::encode (my $save = $self->save_path);
		1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1303	}
		1304
1153	sub try_load_header($) {	1305	sub load_header_from($) {
1154	my ($path) = @_;	1306	my ($self, $path) = @_;
1155		1307
1156	utf8::encode $path;	1308	utf8::encode $path;
1157	aio_open $path, O_RDONLY, 0	1309	#aio_open $path, O_RDONLY, 0
		1310	# or return;
		1311
		1312	$self->_load_header ($path)
1158	or return;	1313	or return;
1159		1314
1160	my $map = cf::map::new	1315	$self->{load_path} = $path;
		1316
		1317	1
		1318	}
		1319
		1320	sub load_header_orig {
		1321	my ($self) = @_;
		1322
		1323	$self->load_header_from ($self->load_path)
		1324	}
		1325
		1326	sub load_header_temp {
		1327	my ($self) = @_;
		1328
		1329	$self->load_header_from ($self->save_path)
		1330	}
		1331
		1332	sub prepare_temp {
		1333	my ($self) = @_;
		1334
		1335	$self->last_access ((delete $self->{last_access})
		1336	|| $cf::RUNTIME); #d#
		1337	# safety
		1338	$self->{instantiate_time} = $cf::RUNTIME
		1339	if $self->{instantiate_time} > $cf::RUNTIME;
		1340	}
		1341
		1342	sub prepare_orig {
		1343	my ($self) = @_;
		1344
		1345	$self->{load_original} = 1;
		1346	$self->{instantiate_time} = $cf::RUNTIME;
		1347	$self->last_access ($cf::RUNTIME);
		1348	$self->instantiate;
		1349	}
		1350
		1351	sub load_header {
		1352	my ($self) = @_;
		1353
		1354	if ($self->load_header_temp) {
		1355	$self->prepare_temp;
		1356	} else {
		1357	$self->load_header_orig
1161	or return;	1358	or return;
		1359	$self->prepare_orig;
		1360	}
1162		1361
1163	# for better error messages only, will be overwritten	1362	1
1164	$map->path ($path);
1165
1166	$map->load_header ($path)
1167	or return;
1168
1169	$map->{load_path} = $path;
1170
1171	$map
1172	}	1363	}
1173		1364
1174	sub find;	1365	sub find;
1175	sub find {	1366	sub find {
1176	my ($path, $origin) = @_;	1367	my ($path, $origin) = @_;
1177		1368
1178	#warn "find<$path,$origin>\n";#d#
1179
1180	$path = new cf::path $path, $origin && $origin->path;	1369	$path = normalise $path, $origin && $origin->path;
1181	my $key = $path->as_string;
1182		1370
1183	cf::lock_wait "map_find:$key";	1371	cf::lock_wait "map_find:$path";
1184		1372
1185	$cf::MAP{$key} || do {	1373	$cf::MAP{$path} || do {
1186	my $guard = cf::lock_acquire "map_find:$key";	1374	my $guard = cf::lock_acquire "map_find:$path";
1187		1375	my $map = new_from_path cf::map $path
1188	# do it the slow way
1189	my $map = try_load_header $path->save_path;
1190
1191	Coro::cede;
1192
1193	if ($map) {
1194	$map->last_access ((delete $map->{last_access})
1195	|| $cf::RUNTIME); #d#
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1376	or return;
1207		1377
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->last_access ($cf::RUNTIME);
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1378	$map->{last_save} = $cf::RUNTIME;
1220		1379
1221	Coro::cede;	1380	$map->load_header
		1381	or return;
1222		1382
1223	if ($map->should_reset) {	1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1384	# doing this can freeze the server in a sync job, obviously
		1385	#$cf::WAIT_FOR_TICK->wait;
1224	$map->reset;	1386	$map->reset;
1225	undef $guard;	1387	undef $guard;
1226	$map = find $path	1388	return find $path;
1227	or return;
1228	}	1389	}
1229		1390
1230	$cf::MAP{$key} = $map	1391	$cf::MAP{$path} = $map
1231	}	1392	}
1232	}	1393	}
		1394
		1395	sub pre_load { }
		1396	sub post_load { }
1233		1397
1234	sub load {	1398	sub load {
1235	my ($self) = @_;	1399	my ($self) = @_;
1236		1400
		1401	local $self->{deny_reset} = 1; # loading can take a long time
		1402
1237	my $path = $self->{path};	1403	my $path = $self->{path};
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1404	my $guard = cf::lock_acquire "map_load:$path";
1239		1405
1240	return if $self->in_memory != cf::MAP_SWAPPED;	1406	return if $self->in_memory != cf::MAP_SWAPPED;
1241		1407
1242	$self->in_memory (cf::MAP_LOADING);	1408	$self->in_memory (cf::MAP_LOADING);
1243		1409
1244	$self->alloc;	1410	$self->alloc;
		1411
		1412	$self->pre_load;
		1413
1245	$self->load_objects ($self->{load_path}, 1)	1414	$self->_load_objects ($self->{load_path}, 1)
1246	or return;	1415	or return;
1247		1416
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249	if delete $self->{load_original};	1418	if delete $self->{load_original};
1250		1419
1251	if (my $uniq = $path->uniq_path) {	1420	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	1421	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	1422	if (aio_open $uniq, O_RDONLY, 0) {
1254	$self->clear_unique_items;	1423	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	1424	$self->_load_objects ($uniq, 0);
1256	}	1425	}
1257	}	1426	}
1258		1427
1259	Coro::cede;	1428	Coro::cede;
1260		1429
1261	# now do the right thing for maps	1430	# now do the right thing for maps
1262	$self->link_multipart_objects;	1431	$self->link_multipart_objects;
1263		1432
1264	if ($self->{path}->is_style_map) {	1433	unless ($self->{deny_activate}) {
1265	$self->{deny_save} = 1;	1434	$self->decay_objects;
1266	$self->{deny_reset} = 1;
1267	} else {
1268	$self->fix_auto_apply;	1435	$self->fix_auto_apply;
1269	$self->decay_objects;
1270	$self->update_buttons;	1436	$self->update_buttons;
		1437	Coro::cede;
1271	$self->set_darkness_map;	1438	$self->set_darkness_map;
1272	$self->difficulty ($self->estimate_difficulty)	1439	$self->difficulty ($self->estimate_difficulty)
1273	unless $self->difficulty;	1440	unless $self->difficulty;
		1441	Coro::cede;
1274	$self->activate;	1442	$self->activate;
1275	}	1443	}
1276		1444
1277	Coro::cede;	1445	$self->post_load;
1278		1446
1279	$self->in_memory (cf::MAP_IN_MEMORY);	1447	$self->in_memory (cf::MAP_IN_MEMORY);
		1448	}
		1449
		1450	sub customise_for {
		1451	my ($self, $ob) = @_;
		1452
		1453	return find "~" . $ob->name . "/" . $self->{path}
		1454	if $self->per_player;
		1455
		1456	$self
		1457	}
		1458
		1459	# find and load all maps in the 3x3 area around a map
		1460	sub load_diag {
		1461	my ($map) = @_;
		1462
		1463	my @diag; # diagonal neighbours
		1464
		1465	for (0 .. 3) {
		1466	my $neigh = $map->tile_path ($_)
		1467	or next;
		1468	$neigh = find $neigh, $map
		1469	or next;
		1470	$neigh->load;
		1471
		1472	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1473	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1474	}
		1475
		1476	for (@diag) {
		1477	my $neigh = find @$_
		1478	or next;
		1479	$neigh->load;
		1480	}
1280	}	1481	}
1281		1482
1282	sub find_sync {	1483	sub find_sync {
1283	my ($path, $origin) = @_;	1484	my ($path, $origin) = @_;
1284		1485
1285	cf::sync_job { cf::map::find $path, $origin }	1486	cf::sync_job { find $path, $origin }
1286	}	1487	}
1287		1488
1288	sub do_load_sync {	1489	sub do_load_sync {
1289	my ($map) = @_;	1490	my ($map) = @_;
1290		1491
1291	cf::sync_job { $map->load };	1492	cf::sync_job { $map->load };
1292	}	1493	}
1293		1494
		1495	our %MAP_PREFETCH;
		1496	our $MAP_PREFETCHER = undef;
		1497
		1498	sub find_async {
		1499	my ($path, $origin) = @_;
		1500
		1501	$path = normalise $path, $origin && $origin->{path};
		1502
		1503	if (my $map = $cf::MAP{$path}) {
		1504	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1505	}
		1506
		1507	undef $MAP_PREFETCH{$path};
		1508	$MAP_PREFETCHER ||= cf::async {
		1509	while (%MAP_PREFETCH) {
		1510	for my $path (keys %MAP_PREFETCH) {
		1511	my $map = find $path
		1512	or next;
		1513	$map->load;
		1514
		1515	delete $MAP_PREFETCH{$path};
		1516	}
		1517	}
		1518	undef $MAP_PREFETCHER;
		1519	};
		1520	$MAP_PREFETCHER->prio (6);
		1521
		1522	()
		1523	}
		1524
1294	sub save {	1525	sub save {
1295	my ($self) = @_;	1526	my ($self) = @_;
1296		1527
1297	my $lock = cf::lock_acquire "map_data:" . $self->path;	1528	my $lock = cf::lock_acquire "map_data:" . $self->path;
1298		1529
1299	$self->{last_save} = $cf::RUNTIME;	1530	$self->{last_save} = $cf::RUNTIME;
1300		1531
1301	return unless $self->dirty;	1532	return unless $self->dirty;
1302		1533
1303	my $save = $self->{path}->save_path; utf8::encode $save;	1534	my $save = $self->save_path; utf8::encode $save;
1304	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1535	my $uniq = $self->uniq_path; utf8::encode $uniq;
1305		1536
1306	$self->{load_path} = $save;	1537	$self->{load_path} = $save;
1307		1538
1308	return if $self->{deny_save};	1539	return if $self->{deny_save};
1309		1540
1310	local $self->{last_access} = $self->last_access;#d#	1541	local $self->{last_access} = $self->last_access;#d#
1311		1542
		1543	cf::async {
		1544	$_->contr->save for $self->players;
		1545	};
		1546
1312	if ($uniq) {	1547	if ($uniq) {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1548	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314	$self->save_objects ($uniq, cf::IO_UNIQUES);	1549	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1315	} else {	1550	} else {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1317	}	1552	}
1318	}	1553	}
1319		1554
1320	sub swap_out {	1555	sub swap_out {
1321	my ($self) = @_;	1556	my ($self) = @_;
…		…
1335		1570
1336	sub reset_at {	1571	sub reset_at {
1337	my ($self) = @_;	1572	my ($self) = @_;
1338		1573
1339	# TODO: safety, remove and allow resettable per-player maps	1574	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1576	return 1e99 if $self->{deny_reset};
1342		1577
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1579	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1580
…		…
1350	my ($self) = @_;	1585	my ($self) = @_;
1351		1586
1352	$self->reset_at <= $cf::RUNTIME	1587	$self->reset_at <= $cf::RUNTIME
1353	}	1588	}
1354		1589
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1590	sub reset {
1377	my ($self) = @_;	1591	my ($self) = @_;
1378		1592
1379	my $lock = cf::lock_acquire "map_data:" . $self->path;	1593	my $lock = cf::lock_acquire "map_data:$self->{path}";
1380		1594
1381	return if $self->players;	1595	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1596	return if $self->isa ("ext::map_per_player");#d#
1383		1597
1384	warn "resetting map ", $self->path;#d#	1598	warn "resetting map ", $self->path;#d#
1385		1599
		1600	$self->in_memory (cf::MAP_SWAPPED);
		1601
		1602	# need to save uniques path
		1603	unless ($self->{deny_save}) {
		1604	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1605
		1606	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1607	if $uniq;
		1608	}
		1609
1386	delete $cf::MAP{$self->path};	1610	delete $cf::MAP{$self->path};
		1611
		1612	$self->clear;
1387		1613
1388	$_->clear_links_to ($self) for values %cf::MAP;	1614	$_->clear_links_to ($self) for values %cf::MAP;
1389		1615
1390	$self->unlink_save;	1616	$self->unlink_save;
1391	$self->destroy;	1617	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1620	my $nuke_counter = "aaaa";
1395		1621
1396	sub nuke {	1622	sub nuke {
1397	my ($self) = @_;	1623	my ($self) = @_;
1398		1624
		1625	delete $cf::MAP{$self->path};
		1626
		1627	$self->unlink_save;
		1628
		1629	bless $self, "cf::map";
		1630	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1631	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1632	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1633	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1634
		1635	$cf::MAP{$self->path} = $self;
		1636
1402	$self->reset; # polite request, might not happen	1637	$self->reset; # polite request, might not happen
1403	}	1638	}
1404		1639
1405	sub customise_for {	1640	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1641
1408	if ($map->per_player) {	1642	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1643	instantiated unique items. May block.
1410	}
1411		1644
1412	$map	1645	=cut
1413	}
1414		1646
1415	sub emergency_save {	1647	sub unique_maps() {
1416	my $freeze_guard = cf::freeze_mainloop;	1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1649	or return;
1417		1650
1418	warn "enter emergency map save\n";	1651	my @paths;
1419		1652
1420	cf::sync_job {	1653	for (@$files) {
1421	warn "begin emergency map save\n";	1654	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1655	next if /\.pst$/;
		1656	next unless /^$PATH_SEP/o;
		1657
		1658	push @paths, cf::map::normalise $_;
1423	};	1659	}
1424		1660
1425	warn "end emergency map save\n";	1661	\@paths
1426	}	1662	}
1427		1663
1428	package cf;	1664	package cf;
1429		1665
1430	=back	1666	=back
1431		1667
		1668	=head3 cf::object
		1669
		1670	=cut
		1671
		1672	package cf::object;
		1673
		1674	=over 4
		1675
		1676	=item $ob->inv_recursive
		1677
		1678	Returns the inventory of the object _and_ their inventories, recursively.
		1679
		1680	=cut
		1681
		1682	sub inv_recursive_;
		1683	sub inv_recursive_ {
		1684	map { $_, inv_recursive_ $_->inv } @_
		1685	}
		1686
		1687	sub inv_recursive {
		1688	inv_recursive_ inv $_[0]
		1689	}
		1690
		1691	package cf;
		1692
		1693	=back
1432		1694
1433	=head3 cf::object::player	1695	=head3 cf::object::player
1434		1696
1435	=over 4	1697	=over 4
1436		1698
…		…
1476		1738
1477	=item $player_object->enter_link	1739	=item $player_object->enter_link
1478		1740
1479	Freezes the player and moves him/her to a special map (C<{link}>).	1741	Freezes the player and moves him/her to a special map (C<{link}>).
1480		1742
1481	The player should be reaosnably safe there for short amounts of time. You	1743	The player should be reasonably safe there for short amounts of time. You
1482	I<MUST> call C<leave_link> as soon as possible, though.	1744	I<MUST> call C<leave_link> as soon as possible, though.
1483		1745
		1746	Will never block.
		1747
1484	=item $player_object->leave_link ($map, $x, $y)	1748	=item $player_object->leave_link ($map, $x, $y)
1485		1749
1486	Moves the player out of the specila link map onto the given map. If the	1750	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	1751	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	1752	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1753	fails, to the emergency map position.
1490		1754
1491	Might block.	1755	Might block.
1492		1756
1493	=cut	1757	=cut
		1758
		1759	sub link_map {
		1760	unless ($LINK_MAP) {
		1761	$LINK_MAP = cf::map::find "{link}"
		1762	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1763	$LINK_MAP->load;
		1764	}
		1765
		1766	$LINK_MAP
		1767	}
1494		1768
1495	sub cf::object::player::enter_link {	1769	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1770	my ($self) = @_;
1497		1771
1498	$self->deactivate_recursive;	1772	$self->deactivate_recursive;
1499		1773
1500	return if $self->map == $LINK_MAP;	1774	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1775
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1777	if $self->map;
1504		1778
1505	$self->enter_map ($LINK_MAP, 20, 20);	1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1780	}
1507		1781
1508	sub cf::object::player::leave_link {	1782	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1783	my ($self, $map, $x, $y) = @_;
1510		1784
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1802	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1803	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1804	if $x <=0 && $y <= 0;
1531		1805
1532	$map->load;	1806	$map->load;
		1807	$map->load_diag;
1533		1808
		1809	return unless $self->contr->active;
1534	$self->activate_recursive;	1810	$self->activate_recursive;
		1811
		1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1535	$self->enter_map ($map, $x, $y);	1813	$self->enter_map ($map, $x, $y);
1536	}	1814	}
1537		1815
1538	cf::player->attach (	1816	cf::player->attach (
1539	on_logout => sub {	1817	on_logout => sub {
…		…
1550	my ($pl) = @_;	1828	my ($pl) = @_;
1551		1829
1552	# try to abort aborted map switching on player login :)	1830	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1831	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1832	if ($pl->ob->{_link_pos}) {
1555
1556	$pl->ob->enter_link;	1833	$pl->ob->enter_link;
1557	(async {	1834	(async {
1558	# we need this sleep as the login has a concurrent enter_exit running
1559	# and this sleep increases chances of the player not ending up in scorn
1560	$pl->ob->reply (undef,	1835	$pl->ob->reply (undef,
1561	"There was an internal problem at your last logout, "	1836	"There was an internal problem at your last logout, "
1562	. "the server will try to bring you to your intended destination in a second.",	1837	. "the server will try to bring you to your intended destination in a second.",
1563	cf::NDI_RED);	1838	cf::NDI_RED);
		1839	# we need this sleep as the login has a concurrent enter_exit running
		1840	# and this sleep increases chances of the player not ending up in scorn
1564	Coro::Timer::sleep 1;	1841	Coro::Timer::sleep 1;
1565	$pl->ob->leave_link;	1842	$pl->ob->leave_link;
1566	})->prio (2);	1843	})->prio (2);
1567	}	1844	}
1568	},	1845	},
…		…
1576	my ($self, $path, $x, $y) = @_;	1853	my ($self, $path, $x, $y) = @_;
1577		1854
1578	$self->enter_link;	1855	$self->enter_link;
1579		1856
1580	(async {	1857	(async {
1581	$path = new cf::path $path;	1858	my $map = eval {
1582
1583	my $map = cf::map::find $path->as_string;	1859	my $map = cf::map::find $path;
1584	$map = $map->customise_for ($self) if $map;	1860	$map = $map->customise_for ($self) if $map;
1585		1861	$map
1586	# warn "entering ", $map->path, " at ($x, $y)\n"	1862	} or
1587	# if $map;
1588
1589	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1590		1864
1591	$self->leave_link ($map, $x, $y);	1865	$self->leave_link ($map, $x, $y);
1592	})->prio (1);	1866	})->prio (1);
1593	}	1867	}
1594		1868
…		…
1598		1872
1599	sub parse_random_map_params {	1873	sub parse_random_map_params {
1600	my ($spec) = @_;	1874	my ($spec) = @_;
1601		1875
1602	my $rmp = { # defaults	1876	my $rmp = { # defaults
1603	xsize => 10,	1877	xsize => (cf::rndm 15, 40),
1604	ysize => 10,	1878	ysize => (cf::rndm 15, 40),
		1879	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1880	#layout => string,
1605	};	1881	};
1606		1882
1607	for (split /\n/, $spec) {	1883	for (split /\n/, $spec) {
1608	my ($k, $v) = split /\s+/, $_, 2;	1884	my ($k, $v) = split /\s+/, $_, 2;
1609		1885
…		…
1613	$rmp	1889	$rmp
1614	}	1890	}
1615		1891
1616	sub prepare_random_map {	1892	sub prepare_random_map {
1617	my ($exit) = @_;	1893	my ($exit) = @_;
		1894
		1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1618		1896
1619	# all this does is basically replace the /! path by	1897	# all this does is basically replace the /! path by
1620	# a new random map path (?random/...) with a seed	1898	# a new random map path (?random/...) with a seed
1621	# that depends on the exit object	1899	# that depends on the exit object
1622		1900
1623	my $rmp = parse_random_map_params $exit->msg;	1901	my $rmp = parse_random_map_params $exit->msg;
1624		1902
1625	if ($exit->map) {	1903	if ($exit->map) {
1626	$rmp->{region} = $exit->map->region_name;	1904	$rmp->{region} = $exit->region->name;
1627	$rmp->{origin_map} = $exit->map->path;	1905	$rmp->{origin_map} = $exit->map->path;
1628	$rmp->{origin_x} = $exit->x;	1906	$rmp->{origin_x} = $exit->x;
1629	$rmp->{origin_y} = $exit->y;	1907	$rmp->{origin_y} = $exit->y;
1630	}	1908	}
1631		1909
1632	$rmp->{random_seed} ||= $exit->random_seed;	1910	$rmp->{random_seed} ||= $exit->random_seed;
1633		1911
1634	my $data = cf::to_json $rmp;	1912	my $data = cf::to_json $rmp;
1635	my $md5 = Digest::MD5::md5_hex $data;	1913	my $md5 = Digest::MD5::md5_hex $data;
		1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1636		1915
1637	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1638	aio_write $fh, 0, (length $data), $data, 0;	1917	aio_write $fh, 0, (length $data), $data, 0;
		1918	undef $fh;
		1919	aio_rename "$meta~", $meta;
1639		1920
1640	$exit->slaying ("?random/$md5");	1921	$exit->slaying ("?random/$md5");
1641	$exit->msg (undef);	1922	$exit->msg (undef);
1642	}	1923	}
1643	}	1924	}
1644		1925
1645	sub cf::object::player::enter_exit {	1926	sub cf::object::player::enter_exit {
1646	my ($self, $exit) = @_;	1927	my ($self, $exit) = @_;
1647		1928
1648	return unless $self->type == cf::PLAYER;	1929	return unless $self->type == cf::PLAYER;
		1930
		1931	if ($exit->slaying eq "/!") {
		1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1933	cf::sync_job { prepare_random_map $exit };
		1934	}
		1935
		1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1937	my $hp = $exit->stats->hp;
		1938	my $sp = $exit->stats->sp;
1649		1939
1650	$self->enter_link;	1940	$self->enter_link;
1651		1941
1652	(async {	1942	(async {
1653	$self->deactivate_recursive; # just to be sure	1943	$self->deactivate_recursive; # just to be sure
1654	unless (eval {	1944	unless (eval {
1655	prepare_random_map $exit	1945	$self->goto ($slaying, $hp, $sp);
1656	if $exit->slaying eq "/!";
1657
1658	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1659	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1660		1946
1661	1;	1947	1;
1662	}) {	1948	}) {
1663	$self->message ("Something went wrong deep within the crossfire server. "	1949	$self->message ("Something went wrong deep within the crossfire server. "
1664	. "I'll try to bring you back to the map you were before. "	1950	. "I'll try to bring you back to the map you were before. "
1665	. "Please report this to the dungeon master",	1951	. "Please report this to the dungeon master!",
1666	cf::NDI_UNIQUE | cf::NDI_RED);	1952	cf::NDI_UNIQUE | cf::NDI_RED);
1667		1953
1668	warn "ERROR in enter_exit: $@";	1954	warn "ERROR in enter_exit: $@";
1669	$self->leave_link;	1955	$self->leave_link;
1670	}	1956	}
…		…
1725	# get handled first	2011	# get handled first
1726	my $queue = delete $ns->{query_queue}	2012	my $queue = delete $ns->{query_queue}
1727	or return; # be conservative, not sure how that can happen, but we saw a crash here	2013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1728		2014
1729	(shift @$queue)->[1]->($msg);	2015	(shift @$queue)->[1]->($msg);
		2016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1730		2017
1731	push @{ $ns->{query_queue} }, @$queue;	2018	push @{ $ns->{query_queue} }, @$queue;
1732		2019
1733	if (@{ $ns->{query_queue} } == @$queue) {	2020	if (@{ $ns->{query_queue} } == @$queue) {
1734	if (@$queue) {	2021	if (@$queue) {
…		…
1895	The parameter C<$family> should best start with the name of the extension	2182	The parameter C<$family> should best start with the name of the extension
1896	using it, it should be unique.	2183	using it, it should be unique.
1897		2184
1898	=over 4	2185	=over 4
1899		2186
1900	=item $hashref = cf::db_get $family
1901
1902	Return a hashref for use by the extension C<$family>, which can be
1903	modified. After modifications, you have to call C<cf::db_dirty> or
1904	C<cf::db_sync>.
1905
1906	=item $value = cf::db_get $family => $key	2187	=item $value = cf::db_get $family => $key
1907		2188
1908	Returns a single value from the database	2189	Returns a single value from the database.
1909
1910	=item cf::db_put $family => $hashref
1911
1912	Stores the given family hashref into the database. Updates are delayed, if
1913	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1914		2190
1915	=item cf::db_put $family => $key => $value	2191	=item cf::db_put $family => $key => $value
1916		2192
1917	Stores the given C<$value> in the family hash. Updates are delayed, if you	2193	Stores the given C<$value> in the family.
1918	want the data to be synced to disk immediately, use C<cf::db_sync>.
1919
1920	=item cf::db_dirty
1921
1922	Marks the database as dirty, to be updated at a later time.
1923
1924	=item cf::db_sync
1925
1926	Immediately write the database to disk I<if it is dirty>.
1927		2194
1928	=cut	2195	=cut
1929		2196
1930	our $DB;	2197	our $DB;
1931		2198
1932	{	2199	sub db_init {
		2200	unless ($DB) {
		2201	$DB = BDB::db_create $DB_ENV;
		2202
		2203	cf::sync_job {
		2204	eval {
		2205	$DB->set_flags (BDB::CHKSUM);
		2206
		2207	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2209	cf::cleanup "db_open(db): $!" if $!;
		2210	};
		2211	cf::cleanup "db_open(db): $@" if $@;
		2212	};
		2213
1933	my $path = cf::localdir . "/database.pst";	2214	my $path = cf::localdir . "/database.pst";
		2215	if (stat $path) {
		2216	cf::sync_job {
		2217	my $pst = Storable::retrieve $path;
1934		2218
1935	sub db_load() {	2219	cf::db_put (board => data => $pst->{board});
1936	$DB = stat $path ? Storable::retrieve $path : { };	2220	cf::db_put (guildrules => data => $pst->{guildrules});
1937	}	2221	cf::db_put (rent => balance => $pst->{rent}{balance});
		2222	BDB::db_env_txn_checkpoint $DB_ENV;
1938		2223
1939	my $pid;	2224	unlink $path;
1940
1941	sub db_save() {
1942	waitpid $pid, 0 if $pid;
1943	if (0 == ($pid = fork)) {
1944	$DB->{_meta}{version} = 1;
1945	Storable::nstore $DB, "$path~";
1946	rename "$path~", $path;
1947	cf::_exit 0 if defined $pid;
1948	}	2225	};
1949	}
1950
1951	my $dirty;
1952
1953	sub db_sync() {
1954	db_save if $dirty;
1955	undef $dirty;
1956	}
1957
1958	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1959	db_sync;
1960	});
1961
1962	sub db_dirty() {
1963	$dirty = 1;
1964	$idle->start;
1965	}
1966
1967	sub db_get($;$) {
1968	@_ >= 2
1969	? $DB->{$_[0]}{$_[1]}
1970	: ($DB->{$_[0]} ||= { })
1971	}
1972
1973	sub db_put($$;$) {
1974	if (@_ >= 3) {
1975	$DB->{$_[0]}{$_[1]} = $_[2];
1976	} else {
1977	$DB->{$_[0]} = $_[1];
1978	}
1979	db_dirty;
1980	}
1981
1982	cf::global->attach (
1983	prio => 10000,
1984	on_cleanup => sub {
1985	db_sync;
1986	},	2226	}
1987	);	2227	}
		2228	}
		2229
		2230	sub db_get($$) {
		2231	my $key = "$_[0]/$_[1]";
		2232
		2233	cf::sync_job {
		2234	BDB::db_get $DB, undef, $key, my $data;
		2235
		2236	$! ? ()
		2237	: Compress::LZF::sthaw $data
		2238	}
		2239	}
		2240
		2241	sub db_put($$$) {
		2242	BDB::dbreq_pri 4;
		2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1988	}	2244	}
1989		2245
1990	#############################################################################	2246	#############################################################################
1991	# the server's main()	2247	# the server's init and main functions
		2248
		2249	sub init_resources {
		2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2251	or die "unable to load regions file\n";#d#
		2252	}
1992		2253
1993	sub cfg_load {	2254	sub cfg_load {
1994	open my $fh, "<:utf8", cf::confdir . "/config"	2255	open my $fh, "<:utf8", cf::confdir . "/config"
1995	or return;	2256	or return;
1996		2257
…		…
2002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2263	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2003	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2264	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2004		2265
2005	if (exists $CFG{mlockall}) {	2266	if (exists $CFG{mlockall}) {
2006	eval {	2267	eval {
2007	$CFG{mlockall} ? &mlockall : &munlockall	2268	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008	and die "WARNING: m(un)lockall failed: $!\n";	2269	and die "WARNING: m(un)lockall failed: $!\n";
2009	};	2270	};
2010	warn $@ if $@;	2271	warn $@ if $@;
2011	}	2272	}
		2273	}
		2274
		2275	sub init {
		2276	init_resources;
2012	}	2277	}
2013		2278
2014	sub main {	2279	sub main {
2015	# we must not ever block the main coroutine	2280	# we must not ever block the main coroutine
2016	local $Coro::idle = sub {	2281	local $Coro::idle = sub {
2017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2283	(async {
2018	async { Event::one_event };	2284	Event::one_event;
		2285	})->prio (Coro::PRIO_MAX);
2019	};	2286	};
2020		2287
2021	cfg_load;	2288	cfg_load;
2022	db_load;	2289	db_init;
2023	load_extensions;	2290	load_extensions;
		2291
		2292	$TICK_WATCHER->start;
2024	Event::loop;	2293	Event::loop;
2025	}	2294	}
2026		2295
2027	#############################################################################	2296	#############################################################################
2028	# initialisation	2297	# initialisation and cleanup
		2298
		2299	# install some emergency cleanup handlers
		2300	BEGIN {
		2301	for my $signal (qw(INT HUP TERM)) {
		2302	Event->signal (
		2303	reentrant => 0,
		2304	data => WF_AUTOCANCEL,
		2305	signal => $signal,
		2306	prio => 0,
		2307	cb => sub {
		2308	cf::cleanup "SIG$signal";
		2309	},
		2310	);
		2311	}
		2312	}
		2313
		2314	sub emergency_save() {
		2315	my $freeze_guard = cf::freeze_mainloop;
		2316
		2317	warn "enter emergency perl save\n";
		2318
		2319	cf::sync_job {
		2320	# use a peculiar iteration method to avoid tripping on perl
		2321	# refcount bugs in for. also avoids problems with players
		2322	# and maps saved/destroyed asynchronously.
		2323	warn "begin emergency player save\n";
		2324	for my $login (keys %cf::PLAYER) {
		2325	my $pl = $cf::PLAYER{$login} or next;
		2326	$pl->valid or next;
		2327	$pl->save;
		2328	}
		2329	warn "end emergency player save\n";
		2330
		2331	warn "begin emergency map save\n";
		2332	for my $path (keys %cf::MAP) {
		2333	my $map = $cf::MAP{$path} or next;
		2334	$map->valid or next;
		2335	$map->save;
		2336	}
		2337	warn "end emergency map save\n";
		2338
		2339	warn "begin emergency database checkpoint\n";
		2340	BDB::db_env_txn_checkpoint $DB_ENV;
		2341	warn "end emergency database checkpoint\n";
		2342	};
		2343
		2344	warn "leave emergency perl save\n";
		2345	}
		2346
		2347	sub post_cleanup {
		2348	my ($make_core) = @_;
		2349
		2350	warn Carp::longmess "post_cleanup backtrace"
		2351	if $make_core;
		2352	}
2029		2353
2030	sub reload() {	2354	sub reload() {
2031	# can/must only be called in main	2355	# can/must only be called in main
2032	if ($Coro::current != $Coro::main) {	2356	if ($Coro::current != $Coro::main) {
2033	warn "can only reload from main coroutine\n";	2357	warn "can only reload from main coroutine";
2034	return;	2358	return;
2035	}	2359	}
2036		2360
2037	warn "reloading...";	2361	warn "reloading...";
2038		2362
2039	my $guard = freeze_mainloop;	2363	warn "entering sync_job";
		2364
		2365	cf::sync_job {
		2366	cf::write_runtime; # external watchdog should not bark
2040	cf::emergency_save;	2367	cf::emergency_save;
		2368	cf::write_runtime; # external watchdog should not bark
2041		2369
2042	eval {	2370	warn "syncing database to disk";
		2371	BDB::db_env_txn_checkpoint $DB_ENV;
		2372
2043	# if anything goes wrong in here, we should simply crash as we already saved	2373	# if anything goes wrong in here, we should simply crash as we already saved
2044		2374
2045	# cancel all watchers	2375	warn "cancelling all WF_AUTOCANCEL watchers";
2046	for (Event::all_watchers) {	2376	for (Event::all_watchers) {
2047	$_->cancel if $_->data & WF_AUTOCANCEL;	2377	$_->cancel if $_->data & WF_AUTOCANCEL;
2048	}	2378	}
2049		2379
		2380	warn "flushing outstanding aio requests";
		2381	for (;;) {
		2382	BDB::flush;
		2383	IO::AIO::flush;
		2384	Coro::cede;
		2385	last unless IO::AIO::nreqs || BDB::nreqs;
		2386	warn "iterate...";
		2387	}
		2388
2050	# cancel all extension coros	2389	warn "cancelling all extension coros";
2051	$_->cancel for values %EXT_CORO;	2390	$_->cancel for values %EXT_CORO;
2052	%EXT_CORO = ();	2391	%EXT_CORO = ();
2053		2392
2054	# unload all extensions	2393	warn "removing commands";
2055	for (@exts) {	2394	%COMMAND = ();
		2395
		2396	warn "removing ext commands";
		2397	%EXTCMD = ();
		2398
		2399	warn "unloading/nuking all extensions";
		2400	for my $pkg (@EXTS) {
2056	warn "unloading <$_>";	2401	warn "... unloading $pkg";
2057	unload_extension $_;	2402
		2403	if (my $cb = $pkg->can ("unload")) {
		2404	eval {
		2405	$cb->($pkg);
		2406	1
		2407	} or warn "$pkg unloaded, but with errors: $@";
2058	}	2408	}
2059		2409
		2410	warn "... nuking $pkg";
		2411	Symbol::delete_package $pkg;
		2412	}
		2413
2060	# unload all modules loaded from $LIBDIR	2414	warn "unloading all perl modules loaded from $LIBDIR";
2061	while (my ($k, $v) = each %INC) {	2415	while (my ($k, $v) = each %INC) {
2062	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2416	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063		2417
2064	warn "removing <$k>";	2418	warn "... unloading $k";
2065	delete $INC{$k};	2419	delete $INC{$k};
2066		2420
2067	$k =~ s/\.pm$//;	2421	$k =~ s/\.pm$//;
2068	$k =~ s/\//::/g;	2422	$k =~ s/\//::/g;
2069		2423
…		…
2072	}	2426	}
2073		2427
2074	Symbol::delete_package $k;	2428	Symbol::delete_package $k;
2075	}	2429	}
2076		2430
2077	# sync database to disk
2078	cf::db_sync;
2079	IO::AIO::flush;
2080
2081	# get rid of safe::, as good as possible	2431	warn "getting rid of safe::, as good as possible";
2082	Symbol::delete_package "safe::$_"	2432	Symbol::delete_package "safe::$_"
2083	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2433	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2084		2434
2085	# remove register_script_function callbacks
2086	# TODO
2087
2088	# unload cf.pm "a bit"	2435	warn "unloading cf.pm \"a bit\"";
2089	delete $INC{"cf.pm"};	2436	delete $INC{"cf.pm"};
2090		2437
2091	# don't, removes xs symbols, too,	2438	# don't, removes xs symbols, too,
2092	# and global variables created in xs	2439	# and global variables created in xs
2093	#Symbol::delete_package __PACKAGE__;	2440	#Symbol::delete_package __PACKAGE__;
2094		2441
2095	# reload cf.pm	2442	warn "unload completed, starting to reload now";
		2443
2096	warn "reloading cf.pm";	2444	warn "reloading cf.pm";
2097	require cf;	2445	require cf;
2098	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2446	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2099		2447
2100	# load config and database again	2448	warn "loading config and database again";
2101	cf::cfg_load;	2449	cf::cfg_load;
2102	cf::db_load;
2103		2450
2104	# load extensions
2105	warn "load extensions";	2451	warn "loading extensions";
2106	cf::load_extensions;	2452	cf::load_extensions;
2107		2453
2108	# reattach attachments to objects	2454	warn "reattaching attachments to objects/players";
2109	warn "reattach";
2110	_global_reattach;	2455	_global_reattach;
2111	};	2456	warn "reattaching attachments to maps";
		2457	reattach $_ for values %MAP;
2112		2458
2113	if ($@) {	2459	warn "loading reloadable resources";
		2460	init_resources;
		2461
		2462	warn "leaving sync_job";
		2463
		2464	1
		2465	} or do {
2114	warn $@;	2466	warn $@;
2115	warn "error while reloading, exiting.";	2467	warn "error while reloading, exiting.";
2116	exit 1;	2468	exit 1;
2117	}	2469	};
2118		2470
2119	warn "reloaded successfully";	2471	warn "reloaded";
2120	};	2472	};
2121		2473
2122	#############################################################################	2474	our $RELOAD_WATCHER; # used only during reload
2123
2124	unless ($LINK_MAP) {
2125	$LINK_MAP = cf::map::new;
2126
2127	$LINK_MAP->width (41);
2128	$LINK_MAP->height (41);
2129	$LINK_MAP->alloc;
2130	$LINK_MAP->path ("{link}");
2131	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2132	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2133
2134	# dirty hack because... archetypes are not yet loaded
2135	Event->timer (
2136	after => 2,
2137	cb => sub {
2138	$_[0]->w->cancel;
2139
2140	# provide some exits "home"
2141	my $exit = cf::object::new "exit";
2142
2143	$exit->slaying ($EMERGENCY_POSITION->[0]);
2144	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2145	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2146
2147	$LINK_MAP->insert ($exit->clone, 19, 19);
2148	$LINK_MAP->insert ($exit->clone, 19, 20);
2149	$LINK_MAP->insert ($exit->clone, 19, 21);
2150	$LINK_MAP->insert ($exit->clone, 20, 19);
2151	$LINK_MAP->insert ($exit->clone, 20, 21);
2152	$LINK_MAP->insert ($exit->clone, 21, 19);
2153	$LINK_MAP->insert ($exit->clone, 21, 20);
2154	$LINK_MAP->insert ($exit->clone, 21, 21);
2155
2156	$exit->destroy;
2157	});
2158
2159	$LINK_MAP->{deny_save} = 1;
2160	$LINK_MAP->{deny_reset} = 1;
2161
2162	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2163	}
2164
2165	register "<global>", __PACKAGE__;
2166		2475
2167	register_command "reload" => sub {	2476	register_command "reload" => sub {
2168	my ($who, $arg) = @_;	2477	my ($who, $arg) = @_;
2169		2478
2170	if ($who->flag (FLAG_WIZ)) {	2479	if ($who->flag (FLAG_WIZ)) {
2171	$who->message ("start of reload.");	2480	$who->message ("reloading server.");
		2481
		2482	# doing reload synchronously and two reloads happen back-to-back,
		2483	# coro crashes during coro_state_free->destroy here.
		2484
		2485	$RELOAD_WATCHER ||= Event->timer (
		2486	reentrant => 0,
		2487	after => 0,
		2488	data => WF_AUTOCANCEL,
		2489	cb => sub {
2172	reload;	2490	reload;
2173	$who->message ("end of reload.");	2491	undef $RELOAD_WATCHER;
		2492	},
		2493	);
2174	}	2494	}
2175	};	2495	};
2176		2496
2177	unshift @INC, $LIBDIR;	2497	unshift @INC, $LIBDIR;
		2498
		2499	my $bug_warning = 0;
2178		2500
2179	$TICK_WATCHER = Event->timer (	2501	$TICK_WATCHER = Event->timer (
2180	reentrant => 0,	2502	reentrant => 0,
		2503	parked => 1,
2181	prio => 0,	2504	prio => 0,
2182	at => $NEXT_TICK || $TICK,	2505	at => $NEXT_TICK || $TICK,
2183	data => WF_AUTOCANCEL,	2506	data => WF_AUTOCANCEL,
2184	cb => sub {	2507	cb => sub {
		2508	if ($Coro::current != $Coro::main) {
		2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2510	unless ++$bug_warning > 10;
		2511	return;
		2512	}
		2513
		2514	$NOW = Event::time;
		2515
2185	cf::server_tick; # one server iteration	2516	cf::server_tick; # one server iteration
2186	$RUNTIME += $TICK;	2517	$RUNTIME += $TICK;
2187	$NEXT_TICK += $TICK;	2518	$NEXT_TICK += $TICK;
		2519
		2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2521	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2522	Coro::async_pool {
		2523	write_runtime
		2524	or warn "ERROR: unable to write runtime file: $!";
		2525	};
		2526	}
		2527
		2528	$WAIT_FOR_TICK->broadcast;
		2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2530
		2531	# my $AFTER = Event::time;
		2532	# warn $AFTER - $NOW;#d#
2188		2533
2189	# if we are delayed by four ticks or more, skip them all	2534	# if we are delayed by four ticks or more, skip them all
2190	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2191		2536
2192	$TICK_WATCHER->at ($NEXT_TICK);	2537	$TICK_WATCHER->at ($NEXT_TICK);
2193	$TICK_WATCHER->start;	2538	$TICK_WATCHER->start;
2194	},	2539	},
2195	);	2540	);
2196		2541
		2542	{
2197	IO::AIO::max_poll_time $TICK * 0.2;	2543	BDB::max_poll_time $TICK * 0.1;
2198		2544	$BDB_POLL_WATCHER = Event->io (
2199	Event->io (	2545	reentrant => 0,
2200	fd => IO::AIO::poll_fileno,	2546	fd => BDB::poll_fileno,
2201	poll => 'r',	2547	poll => 'r',
2202	prio => 5,	2548	prio => 0,
2203	data => WF_AUTOCANCEL,
2204	cb => \&IO::AIO::poll_cb,
2205	);
2206
2207	Event->timer (
2208	data => WF_AUTOCANCEL,	2549	data => WF_AUTOCANCEL,
2209	after => 0,	2550	cb => \&BDB::poll_cb,
2210	interval => 10,	2551	);
2211	cb => sub {	2552	BDB::min_parallel 8;
2212	(Coro::unblock_sub {	2553
2213	write_runtime	2554	BDB::set_sync_prepare {
2214	or warn "ERROR: unable to write runtime file: $!";	2555	my $status;
		2556	my $current = $Coro::current;
		2557	(
		2558	sub {
		2559	$status = $!;
		2560	$current->ready; undef $current;
		2561	},
		2562	sub {
		2563	Coro::schedule while defined $current;
		2564	$! = $status;
		2565	},
		2566	)
		2567	};
		2568
		2569	unless ($DB_ENV) {
		2570	$DB_ENV = BDB::db_env_create;
		2571
		2572	cf::sync_job {
		2573	eval {
		2574	BDB::db_env_open
		2575	$DB_ENV,
		2576	$BDB_ENV_DIR,
		2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2579	0666;
		2580
		2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2582
		2583	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2584	$DB_ENV->set_lk_detect;
		2585	};
		2586
		2587	cf::cleanup "db_env_open(db): $@" if $@;
2215	})->();	2588	};
2216	},	2589	}
2217	);	2590	}
		2591
		2592	{
		2593	IO::AIO::min_parallel 8;
		2594
		2595	undef $Coro::AIO::WATCHER;
		2596	IO::AIO::max_poll_time $TICK * 0.1;
		2597	$AIO_POLL_WATCHER = Event->io (
		2598	reentrant => 0,
		2599	data => WF_AUTOCANCEL,
		2600	fd => IO::AIO::poll_fileno,
		2601	poll => 'r',
		2602	prio => 6,
		2603	cb => \&IO::AIO::poll_cb,
		2604	);
		2605	}
2218		2606
2219	END { cf::emergency_save }	2607	END { cf::emergency_save }
2220		2608
2221	1	2609	1
2222		2610

Diff Legend

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