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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
20	use Data::Dumper;	23	use Data::Dumper;
21	use Digest::MD5;	24	use Digest::MD5;
22	use Fcntl;	25	use Fcntl;
		26	use YAML::Syck ();
23	use IO::AIO 2.32 ();	27	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
26		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		37
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
33		40
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		42
		43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		44
36	our %COMMAND = ();	45	our %COMMAND = ();
37	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
39		52
		53	our $RELOAD; # number of reloads so far
40	our @EVENT;	54	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
42		56
43	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
44	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	61	our $NEXT_TICK;
46	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
47		67
48	our %CFG;	68	our %CFG;
49		69
50	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	71	our $RUNTIME;
52		72
53	our %PLAYER; # all users	73	our %PLAYER; # all users
54	our %MAP; # all maps	74	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	77	our $BDB_ENV_DIR = cf::localdir . "/db";
58		78
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61		84
62	binmode STDOUT;	85	binmode STDOUT;
63	binmode STDERR;	86	binmode STDERR;
64		87
65	# read virtual server time, if available	88	# read virtual server time, if available
…		…
72	mkdir cf::localdir;	95	mkdir cf::localdir;
73	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
77		101
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
81		105
82	#############################################################################	106	#############################################################################
83		107
84	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
85		109
…		…
156	}	180	}
157		181
158	$Event::DIED = sub {	182	$Event::DIED = sub {
159	warn "error in event callback: @_";	183	warn "error in event callback: @_";
160	};	184	};
161
162	my %ext_pkg;
163	my @exts;
164	my @hook;
165		185
166	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
167		187
168	=over 4	188	=over 4
169		189
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	209	$d
190	} || "[unable to dump $_[0]: '$@']";	210	} || "[unable to dump $_[0]: '$@']";
191	}	211	}
192		212
193	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194		214
195	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
196		216
197	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
198		218
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
207		220
208	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		222
217	=item cf::lock_wait $string	223	=item cf::lock_wait $string
218		224
219	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
220		226
…		…
257	}	263	}
258		264
259	sub freeze_mainloop {	265	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
261		267
262	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
263	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
264	$guard	272	$guard
265	}	273	}
266		274
267	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
319	}	327	}
320	}	328	}
321		329
322	=item $coro = cf::async_ext { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
323		331
324	Like async, but this coro is automcatially being canceled when the	332	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	333	extension calling this is being unloaded.
326		334
327	=cut	335	=cut
328		336
329	sub async_ext(&) {	337	sub async_ext(&) {
…		…
338		346
339	$coro	347	$coro
340	}	348	}
341		349
342	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
343	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
344		354
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	356	or return;
347		357
		358	my $value = $cf::RUNTIME + 90 + 10;
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	363	and return;
351		364
		365	# always fsync - this file is important
352	aio_fsync $fh	366	aio_fsync $fh
353	and return;	367	and return;
354		368
355	close $fh	369	close $fh
356	or return;	370	or return;
…		…
362	}	376	}
363		377
364	=back	378	=back
365		379
366	=cut	380	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494		381
495	#############################################################################	382	#############################################################################
496		383
497	=head2 ATTACHABLE OBJECTS	384	=head2 ATTACHABLE OBJECTS
498		385
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	511	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	512	our @CB_MAP = ();
626		513
627	my %attachment;	514	my %attachment;
628		515
		516	sub cf::attachable::thawer_merge {
		517	# simply override everything except _meta
		518	local $_[0]{_meta};
		519	%{$_[0]} = %{$_[1]};
		520	}
		521
629	sub _attach_cb($$$$) {	522	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	523	my ($registry, $event, $prio, $cb) = @_;
631		524
632	use sort 'stable';	525	use sort 'stable';
633		526
…		…
804	# object support	697	# object support
805		698
806	sub reattach {	699	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	700	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	701	my ($obj) = @_;
		702
		703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		704
810	my $registry = $obj->registry;	705	my $registry = $obj->registry;
811		706
812	@$registry = ();	707	@$registry = ();
813		708
…		…
860	$filename, length $$rdata, scalar @$objs;	755	$filename, length $$rdata, scalar @$objs;
861		756
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	758	chmod SAVE_MODE, $fh;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865	aio_fsync $fh;	760	aio_fsync $fh if $cf::USE_FSYNC;
866	close $fh;	761	close $fh;
867		762
868	if (@$objs) {	763	if (@$objs) {
869	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870	chmod SAVE_MODE, $fh;	765	chmod SAVE_MODE, $fh;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	766	my $data = Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	767	aio_write $fh, 0, (length $data), $data, 0;
873	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
874	close $fh;	769	close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	770	aio_rename "$filename.pst~", "$filename.pst";
876	}	771	}
877	} else {	772	} else {
878	aio_unlink "$filename.pst";	773	aio_unlink "$filename.pst";
…		…
945	=cut	840	=cut
946		841
947	sub register_extcmd {	842	sub register_extcmd {
948	my ($name, $cb) = @_;	843	my ($name, $cb) = @_;
949		844
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	845	$EXTCMD{$name} = $cb;
954	}	846	}
955		847
956	cf::player->attach (	848	cf::player->attach (
957	on_command => sub {	849	on_command => sub {
958	my ($pl, $name, $params) = @_;	850	my ($pl, $name, $params) = @_;
…		…
971		863
972	my $msg = eval { from_json $buf };	864	my $msg = eval { from_json $buf };
973		865
974	if (ref $msg) {	866	if (ref $msg) {
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	868	if (my %reply = $cb->($pl, $msg)) {
977	$pl->ext_reply ($msg->{msgid}, %reply);	869	$pl->ext_reply ($msg->{msgid}, %reply);
978	}	870	}
979	}	871	}
980	} else {	872	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
983		875
984	cf::override;	876	cf::override;
985	},	877	},
986	);	878	);
987		879
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {	880	sub load_extension {
995	my ($path) = @_;	881	my ($path) = @_;
996		882
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;	884	my $base = $1;
999	my $pkg = $1;	885	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;	886	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";	887	$pkg = "ext::$pkg";
1002		888
1003	warn "loading '$path' into '$pkg'\n";	889	warn "... loading '$path' into '$pkg'\n";
1004		890
1005	open my $fh, "<:utf8", $path	891	open my $fh, "<:utf8", $path
1006	or die "$path: $!";	892	or die "$path: $!";
1007		893
1008	my $source =	894	my $source =
1009	"package $pkg; use strict; use utf8;\n"	895	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"	896	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })	897	. (do { local $/; <$fh> })
1012	. "\n};\n1";	898	. "\n};\n1";
1013		899
1014	eval $source	900	unless (eval $source) {
1015	or die $@ ? "$path: $@\n"	901	my $msg = $@ ? "$path: $@\n"
1016	: "extension disabled.\n";	902	: "extension disabled.\n";
1017		903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1018	push @exts, $pkg;	904	warn $@;
1019	$ext_pkg{$base} = $pkg;	905	warn "mandatory extension failed to load, exiting.\n";
1020		906	exit 1;
1021	# no strict 'refs';	907	}
1022	# @{"$pkg\::ISA"} = ext::;	908	die $@;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }	909	}
1037		910
1038	# remove commands	911	push @EXTS, $pkg;
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}
1047	}
1048
1049	# remove extcmds
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}	912	}
1063		913
1064	sub load_extensions {	914	sub load_extensions {
1065	for my $ext (<$LIBDIR/*.ext>) {	915	for my $ext (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	916	next unless -r $ext;
…		…
1070	} or warn "$ext not loaded: $@";	920	} or warn "$ext not loaded: $@";
1071	}	921	}
1072	}	922	}
1073		923
1074	#############################################################################	924	#############################################################################
1075	# load/save/clean perl data associated with a map
1076
1077	*cf::mapsupport::on_clean = sub {
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		925
1090	=head2 CORE EXTENSIONS	926	=head2 CORE EXTENSIONS
1091		927
1092	Functions and methods that extend core crossfire objects.	928	Functions and methods that extend core crossfire objects.
1093		929
…		…
1129		965
1130	sub exists($) {	966	sub exists($) {
1131	my ($login) = @_;	967	my ($login) = @_;
1132		968
1133	$cf::PLAYER{$login}	969	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	970	or cf::sync_job { !aio_stat path $login }
1135	}	971	}
1136		972
1137	sub find($) {	973	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	974	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	975	my $login = $_[0];
…		…
1185		1021
1186	=cut	1022	=cut
1187		1023
1188	sub quit_character {	1024	sub quit_character {
1189	my ($pl) = @_;	1025	my ($pl) = @_;
		1026
		1027	my $name = $pl->ob->name;
1190		1028
1191	$pl->{deny_save} = 1;	1029	$pl->{deny_save} = 1;
1192	$pl->password ("*"); # this should lock out the player until we nuked the dir	1030	$pl->password ("*"); # this should lock out the player until we nuked the dir
1193		1031
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1199	my $path = playerdir $pl;	1037	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1038	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1039	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1040	delete $cf::PLAYER{$pl->ob->name};
1203	$pl->destroy;	1041	$pl->destroy;
		1042
		1043	my $prefix = qr<^~\Q$name\E/>;
		1044
		1045	# nuke player maps
		1046	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1047
1204	IO::AIO::aio_rmtree $temp;	1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item $pl->kick
		1052
		1053	Kicks a player out of the game. This destroys the connection.
		1054
		1055	=cut
		1056
		1057	sub kick {
		1058	my ($pl, $kicker) = @_;
		1059
		1060	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1061	$pl->killer ("kicked");
		1062	$pl->ns->destroy;
1205	}	1063	}
1206		1064
1207	=item cf::player::list_logins	1065	=item cf::player::list_logins
1208		1066
1209	Returns am arrayref of all valid playernames in the system, can take a	1067	Returns am arrayref of all valid playernames in the system, can take a
…		…
1229	\@logins	1087	\@logins
1230	}	1088	}
1231		1089
1232	=item $player->maps	1090	=item $player->maps
1233		1091
1234	Returns an arrayref of cf::path's of all maps that are private for this	1092	Returns an arrayref of map paths that are private for this
1235	player. May block.	1093	player. May block.
1236		1094
1237	=cut	1095	=cut
1238		1096
1239	sub maps($) {	1097	sub maps($) {
1240	my ($pl) = @_;	1098	my ($pl) = @_;
		1099
		1100	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1101
1242	my $files = aio_readdir playerdir $pl	1102	my $files = aio_readdir playerdir $pl
1243	or return;	1103	or return;
1244		1104
1245	my @paths;	1105	my @paths;
…		…
1247	for (@$files) {	1107	for (@$files) {
1248	utf8::decode $_;	1108	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1109	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1110	next unless /^$PATH_SEP/o;
1251		1111
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1112	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1113	}
1254		1114
1255	\@paths	1115	\@paths
1256	}	1116	}
1257		1117
…		…
1283	package cf::map;	1143	package cf::map;
1284		1144
1285	use Fcntl;	1145	use Fcntl;
1286	use Coro::AIO;	1146	use Coro::AIO;
1287		1147
		1148	use overload
		1149	'""' => \&as_string,
		1150	fallback => 1;
		1151
1288	our $MAX_RESET = 3600;	1152	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1153	our $DEFAULT_RESET = 3000;
1290		1154
1291	sub generate_random_map {	1155	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1156	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1157	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1158	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1162	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1163	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1167	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1169	(cf::region::find $rmp->{region}), $rmp->{custom}
		1170	)
		1171	}
		1172
		1173	=item cf::map->register ($regex, $prio)
		1174
		1175	Register a handler for the map path matching the given regex at the
		1176	givne priority (higher is better, built-in handlers have priority 0, the
		1177	default).
		1178
		1179	=cut
		1180
		1181	sub register {
		1182	my (undef, $regex, $prio) = @_;
		1183	my $pkg = caller;
		1184
		1185	no strict;
		1186	push @{"$pkg\::ISA"}, __PACKAGE__;
		1187
		1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1189	}
		1190
		1191	# also paths starting with '/'
		1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1193
		1194	sub thawer_merge {
		1195	my ($self, $merge) = @_;
		1196
		1197	# we have to keep some variables in memory intact
		1198	local $self->{path};
		1199	local $self->{load_path};
		1200	local $self->{deny_save};
		1201	local $self->{deny_reset};
		1202
		1203	$self->SUPER::thawer_merge ($merge);
		1204	}
		1205
		1206	sub normalise {
		1207	my ($path, $base) = @_;
		1208
		1209	$path = "$path"; # make sure its a string
		1210
		1211	$path =~ s/\.map$//;
		1212
		1213	# map plan:
		1214	#
		1215	# /! non-realised random map exit (special hack!)
		1216	# {... are special paths that are not being touched
		1217	# ?xxx/... are special absolute paths
		1218	# ?random/... random maps
		1219	# /... normal maps
		1220	# ~user/... per-player map of a specific user
		1221
		1222	$path =~ s/$PATH_SEP/\//go;
		1223
		1224	# treat it as relative path if it starts with
		1225	# something that looks reasonable
		1226	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1227	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1228
		1229	$base =~ s{[^/]+/?$}{};
		1230	$path = "$base/$path";
		1231	}
		1232
		1233	for ($path) {
		1234	redo if s{//}{/};
		1235	redo if s{/\.?/}{/};
		1236	redo if s{/[^/]+/\.\./}{/};
		1237	}
		1238
		1239	$path
		1240	}
		1241
		1242	sub new_from_path {
		1243	my (undef, $path, $base) = @_;
		1244
		1245	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1246
		1247	$path = normalise $path, $base;
		1248
		1249	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1250	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1251	my $self = bless cf::map::new, $pkg;
		1252	$self->{path} = $path; $self->path ($path);
		1253	$self->init; # pass $1 etc.
		1254	return $self;
		1255	}
		1256	}
		1257
		1258	Carp::carp "unable to resolve path '$path' (base '$base').";
		1259	()
		1260	}
		1261
		1262	sub init {
		1263	my ($self) = @_;
		1264
		1265	$self
		1266	}
		1267
		1268	sub as_string {
		1269	my ($self) = @_;
		1270
		1271	"$self->{path}"
		1272	}
		1273
		1274	# the displayed name, this is a one way mapping
		1275	sub visible_name {
		1276	&as_string
		1277	}
		1278
		1279	# the original (read-only) location
		1280	sub load_path {
		1281	my ($self) = @_;
		1282
		1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1284	}
		1285
		1286	# the temporary/swap location
		1287	sub save_path {
		1288	my ($self) = @_;
		1289
		1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1292	}
		1293
		1294	# the unique path, undef == no special unique path
		1295	sub uniq_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1308	}	1300	}
1309		1301
1310	# and all this just because we cannot iterate over	1302	# and all this just because we cannot iterate over
1311	# all maps in C++...	1303	# all maps in C++...
1312	sub change_all_map_light {	1304	sub change_all_map_light {
…		…
1314		1306
1315	$_->change_map_light ($change)	1307	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1308	for grep $_->outdoor, values %cf::MAP;
1317	}	1309	}
1318		1310
		1311	sub unlink_save {
		1312	my ($self) = @_;
		1313
		1314	utf8::encode (my $save = $self->save_path);
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1317	}
		1318
1319	sub try_load_header($) {	1319	sub load_header_from($) {
1320	my ($path) = @_;	1320	my ($self, $path) = @_;
1321		1321
1322	utf8::encode $path;	1322	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1324	or return;	1327	or return;
1325		1328
1326	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1327	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1328		1375
1329	# for better error messages only, will be overwritten	1376	1
1330	$map->path ($path);
1331
1332	$map->load_header ($path)
1333	or return;
1334
1335	$map->{load_path} = $path;
1336
1337	$map
1338	}	1377	}
1339		1378
1340	sub find;	1379	sub find;
1341	sub find {	1380	sub find {
1342	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1343		1382
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1384
1349	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1350		1386
1351	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1353		1389	my $map = new_from_path cf::map $path
1354	# do it the slow way
1355	my $map = try_load_header $path->save_path;
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1390	or return;
1373		1391
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1386		1393
1387	Coro::cede;	1394	$map->load_header
		1395	or return;
1388		1396
1389	if ($map->should_reset) {	1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1390	$map->reset;	1400	$map->reset;
1391	undef $guard;	1401	undef $guard;
1392	$map = find $path	1402	return find $path;
1393	or return;
1394	}	1403	}
1395		1404
1396	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1397	}	1406	}
1398	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1399		1411
1400	sub load {	1412	sub load {
1401	my ($self) = @_;	1413	my ($self) = @_;
1402		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1403	my $path = $self->{path};	1417	my $path = $self->{path};
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1405		1419
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1421
1408	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1409		1423
1410	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1411	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1412	or return;	1429	or return;
1413		1430
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	1432	if delete $self->{load_original};
1416		1433
1417	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	1435	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1420	$self->clear_unique_items;	1437	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1422	}	1439	}
1423	}	1440	}
1424		1441
1425	Coro::cede;	1442	Coro::cede;
1426		1443
1427	# now do the right thing for maps	1444	# now do the right thing for maps
1428	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1429		1446
1430	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1431	$self->{deny_save} = 1;	1448	$self->decay_objects;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1437	$self->set_darkness_map;	1452	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1440	$self->activate;	1456	$self->activate;
1441	}	1457	}
1442		1458
1443	Coro::cede;	1459	$self->post_load;
1444		1460
1445	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
		1462	}
		1463
		1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
1446	}	1471	}
1447		1472
1448	# find and load all maps in the 3x3 area around a map	1473	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	1474	sub load_diag {
1450	my ($map) = @_;	1475	my ($map) = @_;
…		…
1480		1505
1481	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1482	}	1507	}
1483		1508
1484	our %MAP_PREFETCH;	1509	our %MAP_PREFETCH;
1485	our $MAP_PREFETCHER = Coro::async {	1510	our $MAP_PREFETCHER = undef;
1486	while () {
1487	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH
1489	or next;
1490	my $path = delete $MAP_PREFETCH{$key};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}
1496	Coro::schedule;
1497	}
1498	};
1499		1511
1500	sub find_async {	1512	sub find_async {
1501	my ($path, $origin) = @_;	1513	my ($path, $origin) = @_;
1502		1514
1503	$path = new cf::path $path, $origin && $origin->path;	1515	$path = normalise $path, $origin && $origin->{path};
1504	my $key = $path->as_string;
1505		1516
1506	if (my $map = $cf::MAP{$key}) {	1517	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}	1519	}
1509		1520
1510	$MAP_PREFETCH{$key} = $path;	1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
		1527	$map->load;
		1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
		1533	};
1511	$MAP_PREFETCHER->ready;	1534	$MAP_PREFETCHER->prio (6);
1512		1535
1513	()	1536	()
1514	}	1537	}
1515		1538
1516	sub save {	1539	sub save {
…		…
1520		1543
1521	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1522		1545
1523	return unless $self->dirty;	1546	return unless $self->dirty;
1524		1547
1525	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		1550
1528	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1529		1552
1530	return if $self->{deny_save};	1553	return if $self->{deny_save};
1531		1554
…		…
1534	cf::async {	1557	cf::async {
1535	$_->contr->save for $self->players;	1558	$_->contr->save for $self->players;
1536	};	1559	};
1537		1560
1538	if ($uniq) {	1561	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	1564	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	1566	}
1544	}	1567	}
1545		1568
1546	sub swap_out {	1569	sub swap_out {
1547	my ($self) = @_;	1570	my ($self) = @_;
…		…
1561		1584
1562	sub reset_at {	1585	sub reset_at {
1563	my ($self) = @_;	1586	my ($self) = @_;
1564		1587
1565	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1567	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1568		1591
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		1594
…		…
1576	my ($self) = @_;	1599	my ($self) = @_;
1577		1600
1578	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1579	}	1602	}
1580		1603
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	1604	sub reset {
1603	my ($self) = @_;	1605	my ($self) = @_;
1604		1606
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		1608
1607	return if $self->players;	1609	return if $self->players;
1608	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1609		1611
1610	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1611		1613
		1614	$self->in_memory (cf::MAP_SWAPPED);
		1615
		1616	# need to save uniques path
		1617	unless ($self->{deny_save}) {
		1618	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1619
		1620	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1621	if $uniq;
		1622	}
		1623
1612	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1613		1627
1614	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1615		1629
1616	$self->unlink_save;	1630	$self->unlink_save;
1617	$self->destroy;	1631	$self->destroy;
…		…
1620	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1621		1635
1622	sub nuke {	1636	sub nuke {
1623	my ($self) = @_;	1637	my ($self) = @_;
1624		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1628	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1629	}	1652	}
1630		1653
1631	sub customise_for {
1632	my ($map, $ob) = @_;
1633
1634	if ($map->per_player) {
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1636	}
1637
1638	$map
1639	}
1640
1641	=item cf::map::unique_maps	1654	=item cf::map::unique_maps
1642		1655
1643	Returns an arrayref of cf::path's of all shared maps that have	1656	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	1657	instantiated unique items. May block.
1645		1658
1646	=cut	1659	=cut
1647		1660
1648	sub unique_maps() {	1661	sub unique_maps() {
…		…
1654	for (@$files) {	1667	for (@$files) {
1655	utf8::decode $_;	1668	utf8::decode $_;
1656	next if /\.pst$/;	1669	next if /\.pst$/;
1657	next unless /^$PATH_SEP/o;	1670	next unless /^$PATH_SEP/o;
1658		1671
1659	push @paths, new cf::path $_;	1672	push @paths, cf::map::normalise $_;
1660	}	1673	}
1661		1674
1662	\@paths	1675	\@paths
1663	}	1676	}
1664		1677
…		…
1739		1752
1740	=item $player_object->enter_link	1753	=item $player_object->enter_link
1741		1754
1742	Freezes the player and moves him/her to a special map (C<{link}>).	1755	Freezes the player and moves him/her to a special map (C<{link}>).
1743		1756
1744	The player should be reaosnably safe there for short amounts of time. You	1757	The player should be reasonably safe there for short amounts of time. You
1745	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1746		1759
		1760	Will never block.
		1761
1747	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1748		1763
1749	Moves the player out of the specila link map onto the given map. If the	1764	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	1765	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	1766	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	1767	fails, to the emergency map position.
1753		1768
1754	Might block.	1769	Might block.
1755		1770
1756	=cut	1771	=cut
		1772
		1773	sub link_map {
		1774	unless ($LINK_MAP) {
		1775	$LINK_MAP = cf::map::find "{link}"
		1776	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1777	$LINK_MAP->load;
		1778	}
		1779
		1780	$LINK_MAP
		1781	}
1757		1782
1758	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1759	my ($self) = @_;	1784	my ($self) = @_;
1760		1785
1761	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1762		1787
1763	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		1789
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	1791	if $self->map;
1767		1792
1768	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	1794	}
1770		1795
1771	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1773		1798
…		…
1795	$map->load;	1820	$map->load;
1796	$map->load_diag;	1821	$map->load_diag;
1797		1822
1798	return unless $self->contr->active;	1823	return unless $self->contr->active;
1799	$self->activate_recursive;	1824	$self->activate_recursive;
		1825
		1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1801	}	1828	}
1802		1829
1803	cf::player->attach (	1830	cf::player->attach (
1804	on_logout => sub {	1831	on_logout => sub {
…		…
1817	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1818	# should happen only on crashes	1845	# should happen only on crashes
1819	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1821	(async {	1848	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,	1849	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "	1850	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",	1851	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);	1852	cf::NDI_RED);
		1853	# we need this sleep as the login has a concurrent enter_exit running
		1854	# and this sleep increases chances of the player not ending up in scorn
1828	Coro::Timer::sleep 1;	1855	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;	1856	$pl->ob->leave_link;
1830	})->prio (2);	1857	})->prio (2);
1831	}	1858	}
1832	},	1859	},
…		…
1837	=cut	1864	=cut
1838		1865
1839	sub cf::object::player::goto {	1866	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1841		1868
1842	$path = new cf::path $path;
1843
1844	$self->enter_link;	1869	$self->enter_link;
1845		1870
1846	(async {	1871	(async {
		1872	my $map = eval {
1847	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1848	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1849		1875	$map
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		1878
1855	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1856	})->prio (1);	1880	})->prio (1);
1857	}	1881	}
1858		1882
…		…
1862		1886
1863	sub parse_random_map_params {	1887	sub parse_random_map_params {
1864	my ($spec) = @_;	1888	my ($spec) = @_;
1865		1889
1866	my $rmp = { # defaults	1890	my $rmp = { # defaults
1867	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1869	};	1895	};
1870		1896
1871	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1873		1899
…		…
1877	$rmp	1903	$rmp
1878	}	1904	}
1879		1905
1880	sub prepare_random_map {	1906	sub prepare_random_map {
1881	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		1910
1883	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	1913	# that depends on the exit object
1886		1914
1887	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1888		1916
1889	if ($exit->map) {	1917	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1894	}	1922	}
1895		1923
1896	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1897		1925
1898	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1900		1929
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1903		1934
1904	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	1936	$exit->msg (undef);
1906	}	1937	}
1907	}	1938	}
1908		1939
1909	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1911		1942
1912	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
1913		1953
1914	$self->enter_link;	1954	$self->enter_link;
1915		1955
1916	(async {	1956	(async {
1917	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	1958	unless (eval {
1919	prepare_random_map $exit	1959	$self->goto ($slaying, $hp, $sp);
1920	if $exit->slaying eq "/!";
1921
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924		1960
1925	1;	1961	1;
1926	}) {	1962	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
…		…
1948		1984
1949	sub cf::client::send_drawinfo {	1985	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	1986	my ($self, $text, $flags) = @_;
1951		1987
1952	utf8::encode $text;	1988	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	1990	}
1955		1991
1956		1992
1957	=item $success = $client->query ($flags, "text", \&cb)	1993	=item $success = $client->query ($flags, "text", \&cb)
1958		1994
…		…
1989	# get handled first	2025	# get handled first
1990	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		2028
1993	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2031
1995	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1996		2033
1997	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2035	if (@$queue) {
…		…
2159	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
2160	using it, it should be unique.	2197	using it, it should be unique.
2161		2198
2162	=over 4	2199	=over 4
2163		2200
2164	=item $hashref = cf::db_get $family
2165
2166	Return a hashref for use by the extension C<$family>, which can be
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169
2170	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
2171		2202
2172	Returns a single value from the database	2203	Returns a single value from the database.
2173
2174	=item cf::db_put $family => $hashref
2175
2176	Stores the given family hashref into the database. Updates are delayed, if
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178		2204
2179	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
2180		2206
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191		2208
2192	=cut	2209	=cut
2193		2210
2194	our $DB;	2211	our $DB;
2195		2212
2196	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
2197	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
2198		2232
2199	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
2200	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
2201	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
2202		2237
2203	my $pid;	2238	unlink $path;
2204
2205	sub db_save() {
2206	waitpid $pid, 0 if $pid;
2207	if (0 == ($pid = fork)) {
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}	2239	};
2213	}	2240	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});	2241	}
		2242	}
2225		2243
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}
2230
2231	sub db_get($;$) {	2244	sub db_get($$) {
2232	@_ >= 2	2245	my $key = "$_[0]/$_[1]";
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
2237	sub db_put($$;$) {	2255	sub db_put($$$) {
2238	if (@_ >= 3) {	2256	BDB::dbreq_pri 4;
2239	$DB->{$_[0]}{$_[1]} = $_[2];	2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2258	}
		2259
		2260	#############################################################################
		2261	# the server's init and main functions
		2262
		2263	sub load_faces {
		2264	my $path = sprintf "%s/faces", cf::datadir;
		2265
		2266	warn "loading faces from $path\n";
		2267
		2268	my $faces;
		2269	0 < aio_load $path, $faces
		2270	or die "$path: $!";
		2271
		2272	Coro::cede;
		2273	$faces = Storable::thaw $faces;
		2274	Coro::cede;
		2275
		2276	my $meta = delete $faces->{""};
		2277	$meta->{version} == 1
		2278	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2279
		2280	while (my ($face, $info) = each %$faces) {
		2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2284	Coro::cede;
		2285	}
		2286
		2287	while (my ($face, $info) = each %$faces) {
		2288	next unless $info->{smooth};
		2289	my $idx = cf::face::find $face
		2290	or next;
		2291	if (my $smooth = cf::face::find $info->{smooth}) {
		2292	cf::face::set_smooth $idx, $smooth;
2240	} else {	2293	} else {
2241	$DB->{$_[0]} = $_[1];	2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
2242	}
2243	db_dirty;
2244	}
2245
2246	cf::global->attach (
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	2295	}
2251	);	2296	Coro::cede;
2252	}	2297	}
2253		2298
2254	#############################################################################	2299	1
2255	# the server's main()	2300	}
		2301
		2302	sub reload_resources {
		2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2304	or die "unable to load regions file\n";#d#
		2305	load_faces
		2306	or die "unable to load faces\n";#d#
		2307	}
		2308
		2309	sub init {
		2310	reload_resources;
		2311	}
2256		2312
2257	sub cfg_load {	2313	sub cfg_load {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	2314	open my $fh, "<:utf8", cf::confdir . "/config"
2259	or return;	2315	or return;
2260		2316
…		…
2277		2333
2278	sub main {	2334	sub main {
2279	# we must not ever block the main coroutine	2335	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	2336	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2338	(async {
2282	async { Event::one_event };	2339	Event::one_event;
		2340	})->prio (Coro::PRIO_MAX);
2283	};	2341	};
2284		2342
2285	cfg_load;	2343	cfg_load;
2286	db_load;	2344	db_init;
2287	load_extensions;	2345	load_extensions;
		2346
		2347	$TICK_WATCHER->start;
2288	Event::loop;	2348	Event::loop;
2289	}	2349	}
2290		2350
2291	#############################################################################	2351	#############################################################################
2292	# initialisation and cleanup	2352	# initialisation and cleanup
2293		2353
2294	# install some emergency cleanup handlers	2354	# install some emergency cleanup handlers
2295	BEGIN {	2355	BEGIN {
2296	for my $signal (qw(INT HUP TERM)) {	2356	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	2357	Event->signal (
		2358	reentrant => 0,
2298	data => WF_AUTOCANCEL,	2359	data => WF_AUTOCANCEL,
2299	signal => $signal,	2360	signal => $signal,
		2361	prio => 0,
2300	cb => sub {	2362	cb => sub {
2301	cf::cleanup "SIG$signal";	2363	cf::cleanup "SIG$signal";
2302	},	2364	},
2303	);	2365	);
2304	}	2366	}
2305	}	2367	}
…		…
2310	warn "enter emergency perl save\n";	2372	warn "enter emergency perl save\n";
2311		2373
2312	cf::sync_job {	2374	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	2375	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	2376	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	2377	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	2378	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	2379	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	2380	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	2381	$pl->valid or next;
2320	$pl->save;	2382	$pl->save;
…		…
2326	my $map = $cf::MAP{$path} or next;	2388	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	2389	$map->valid or next;
2328	$map->save;	2390	$map->save;
2329	}	2391	}
2330	warn "end emergency map save\n";	2392	warn "end emergency map save\n";
		2393
		2394	warn "begin emergency database checkpoint\n";
		2395	BDB::db_env_txn_checkpoint $DB_ENV;
		2396	warn "end emergency database checkpoint\n";
2331	};	2397	};
2332		2398
2333	warn "leave emergency perl save\n";	2399	warn "leave emergency perl save\n";
		2400	}
		2401
		2402	sub post_cleanup {
		2403	my ($make_core) = @_;
		2404
		2405	warn Carp::longmess "post_cleanup backtrace"
		2406	if $make_core;
2334	}	2407	}
2335		2408
2336	sub reload() {	2409	sub reload() {
2337	# can/must only be called in main	2410	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	2411	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	2412	warn "can only reload from main coroutine";
2340	return;	2413	return;
2341	}	2414	}
2342		2415
2343	warn "reloading...";	2416	warn "reloading...";
2344		2417
2345	my $guard = freeze_mainloop;	2418	warn "entering sync_job";
		2419
		2420	cf::sync_job {
		2421	cf::write_runtime; # external watchdog should not bark
2346	cf::emergency_save;	2422	cf::emergency_save;
		2423	cf::write_runtime; # external watchdog should not bark
2347		2424
2348	eval {	2425	warn "syncing database to disk";
		2426	BDB::db_env_txn_checkpoint $DB_ENV;
		2427
2349	# if anything goes wrong in here, we should simply crash as we already saved	2428	# if anything goes wrong in here, we should simply crash as we already saved
2350		2429
2351	# cancel all watchers	2430	warn "cancelling all WF_AUTOCANCEL watchers";
2352	for (Event::all_watchers) {	2431	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}	2433	}
2355		2434
		2435	warn "flushing outstanding aio requests";
		2436	for (;;) {
		2437	BDB::flush;
		2438	IO::AIO::flush;
		2439	Coro::cede;
		2440	last unless IO::AIO::nreqs || BDB::nreqs;
		2441	warn "iterate...";
		2442	}
		2443
		2444	++$RELOAD;
		2445
2356	# cancel all extension coros	2446	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	2447	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	2448	%EXT_CORO = ();
2359		2449
2360	# unload all extensions	2450	warn "removing commands";
2361	for (@exts) {	2451	%COMMAND = ();
		2452
		2453	warn "removing ext commands";
		2454	%EXTCMD = ();
		2455
		2456	warn "unloading/nuking all extensions";
		2457	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	2458	warn "... unloading $pkg";
2363	unload_extension $_;	2459
		2460	if (my $cb = $pkg->can ("unload")) {
		2461	eval {
		2462	$cb->($pkg);
		2463	1
		2464	} or warn "$pkg unloaded, but with errors: $@";
2364	}	2465	}
2365		2466
		2467	warn "... nuking $pkg";
		2468	Symbol::delete_package $pkg;
		2469	}
		2470
2366	# unload all modules loaded from $LIBDIR	2471	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	2472	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		2474
2370	warn "removing <$k>";	2475	warn "... unloading $k";
2371	delete $INC{$k};	2476	delete $INC{$k};
2372		2477
2373	$k =~ s/\.pm$//;	2478	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	2479	$k =~ s/\//::/g;
2375		2480
…		…
2378	}	2483	}
2379		2484
2380	Symbol::delete_package $k;	2485	Symbol::delete_package $k;
2381	}	2486	}
2382		2487
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	2488	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	2489	Symbol::delete_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		2491
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	2492	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	2493	delete $INC{"cf.pm"};
2396		2494
2397	# don't, removes xs symbols, too,	2495	# don't, removes xs symbols, too,
2398	# and global variables created in xs	2496	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	2497	#Symbol::delete_package __PACKAGE__;
2400		2498
2401	# reload cf.pm	2499	warn "unload completed, starting to reload now";
		2500
2402	warn "reloading cf.pm";	2501	warn "reloading cf.pm";
2403	require cf;	2502	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		2504
2406	# load config and database again	2505	warn "loading config and database again";
2407	cf::cfg_load;	2506	cf::cfg_load;
2408	cf::db_load;
2409		2507
2410	# load extensions
2411	warn "load extensions";	2508	warn "loading extensions";
2412	cf::load_extensions;	2509	cf::load_extensions;
2413		2510
2414	# reattach attachments to objects	2511	warn "reattaching attachments to objects/players";
2415	warn "reattach";	2512	_global_reattach; # objects, sockets
2416	_global_reattach;	2513	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	2514	reattach $_ for values %MAP;
2418	};	2515	warn "reattaching attachments to players";
		2516	reattach $_ for values %PLAYER;
2419		2517
2420	if ($@) {	2518	warn "loading reloadable resources";
		2519	reload_resources;
		2520
		2521	warn "leaving sync_job";
		2522
		2523	1
		2524	} or do {
2421	warn $@;	2525	warn $@;
2422	warn "error while reloading, exiting.";	2526	warn "error while reloading, exiting.";
2423	exit 1;	2527	exit 1;
2424	}	2528	};
2425		2529
2426	warn "reloaded successfully";	2530	warn "reloaded";
2427	};	2531	};
2428		2532
2429	#############################################################################	2533	our $RELOAD_WATCHER; # used only during reload
2430
2431	unless ($LINK_MAP) {
2432	$LINK_MAP = cf::map::new;
2433
2434	$LINK_MAP->width (41);
2435	$LINK_MAP->height (41);
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,
2444	cb => sub {
2445	$_[0]->w->cancel;
2446
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});
2465
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}
2471
2472	register "<global>", __PACKAGE__;
2473		2534
2474	register_command "reload" => sub {	2535	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	2536	my ($who, $arg) = @_;
2476		2537
2477	if ($who->flag (FLAG_WIZ)) {	2538	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");	2539	$who->message ("reloading server.");
		2540
		2541	# doing reload synchronously and two reloads happen back-to-back,
		2542	# coro crashes during coro_state_free->destroy here.
		2543
		2544	$RELOAD_WATCHER ||= Event->timer (
		2545	reentrant => 0,
		2546	after => 0,
		2547	data => WF_AUTOCANCEL,
		2548	cb => sub {
2479	reload;	2549	reload;
2480	$who->message ("end of reload.");	2550	undef $RELOAD_WATCHER;
		2551	},
		2552	);
2481	}	2553	}
2482	};	2554	};
2483		2555
2484	unshift @INC, $LIBDIR;	2556	unshift @INC, $LIBDIR;
		2557
		2558	my $bug_warning = 0;
2485		2559
2486	$TICK_WATCHER = Event->timer (	2560	$TICK_WATCHER = Event->timer (
2487	reentrant => 0,	2561	reentrant => 0,
		2562	parked => 1,
2488	prio => 0,	2563	prio => 0,
2489	at => $NEXT_TICK || $TICK,	2564	at => $NEXT_TICK || $TICK,
2490	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2491	cb => sub {	2566	cb => sub {
		2567	if ($Coro::current != $Coro::main) {
		2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2569	unless ++$bug_warning > 10;
		2570	return;
		2571	}
		2572
		2573	$NOW = Event::time;
		2574
2492	cf::server_tick; # one server iteration	2575	cf::server_tick; # one server iteration
2493	$RUNTIME += $TICK;	2576	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	2577	$NEXT_TICK += $TICK;
2495		2578
		2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2580	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2581	Coro::async_pool {
		2582	write_runtime
		2583	or warn "ERROR: unable to write runtime file: $!";
		2584	};
		2585	}
		2586
2496	$WAIT_FOR_TICK->broadcast;	2587	$WAIT_FOR_TICK->broadcast;
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2589
		2590	# my $AFTER = Event::time;
		2591	# warn $AFTER - $NOW;#d#
2498		2592
2499	# if we are delayed by four ticks or more, skip them all	2593	# if we are delayed by four ticks or more, skip them all
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501		2595
2502	$TICK_WATCHER->at ($NEXT_TICK);	2596	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;	2597	$TICK_WATCHER->start;
2504	},	2598	},
2505	);	2599	);
2506		2600
		2601	{
2507	IO::AIO::max_poll_time $TICK * 0.2;	2602	BDB::max_poll_time $TICK * 0.1;
2508		2603	$BDB_POLL_WATCHER = Event->io (
2509	Event->io (	2604	reentrant => 0,
2510	fd => IO::AIO::poll_fileno,	2605	fd => BDB::poll_fileno,
2511	poll => 'r',	2606	poll => 'r',
2512	prio => 5,	2607	prio => 0,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,	2608	data => WF_AUTOCANCEL,
2519	after => 0,	2609	cb => \&BDB::poll_cb,
2520	interval => 10,	2610	);
2521	cb => sub {	2611	BDB::min_parallel 8;
2522	(Coro::unblock_sub {	2612
2523	write_runtime	2613	BDB::set_sync_prepare {
2524	or warn "ERROR: unable to write runtime file: $!";	2614	my $status;
		2615	my $current = $Coro::current;
		2616	(
		2617	sub {
		2618	$status = $!;
		2619	$current->ready; undef $current;
		2620	},
		2621	sub {
		2622	Coro::schedule while defined $current;
		2623	$! = $status;
		2624	},
		2625	)
		2626	};
		2627
		2628	unless ($DB_ENV) {
		2629	$DB_ENV = BDB::db_env_create;
		2630
		2631	cf::sync_job {
		2632	eval {
		2633	BDB::db_env_open
		2634	$DB_ENV,
		2635	$BDB_ENV_DIR,
		2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2638	0666;
		2639
		2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2641
		2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2643	$DB_ENV->set_lk_detect;
		2644	};
		2645
		2646	cf::cleanup "db_env_open(db): $@" if $@;
2525	})->();	2647	};
2526	},	2648	}
2527	);	2649	}
		2650
		2651	{
		2652	IO::AIO::min_parallel 8;
		2653
		2654	undef $Coro::AIO::WATCHER;
		2655	IO::AIO::max_poll_time $TICK * 0.1;
		2656	$AIO_POLL_WATCHER = Event->io (
		2657	reentrant => 0,
		2658	data => WF_AUTOCANCEL,
		2659	fd => IO::AIO::poll_fileno,
		2660	poll => 'r',
		2661	prio => 6,
		2662	cb => \&IO::AIO::poll_cb,
		2663	);
		2664	}
2528		2665
2529	END { cf::emergency_save }	2666	END { cf::emergency_save }
2530		2667
2531	1	2668	1
2532		2669

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