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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.238 by root, Sat Apr 14 07:23:00 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;
		21	use Coro::Storable;
19		22
		23	use BDB ();
20	use Data::Dumper;	24	use Data::Dumper;
21	use Digest::MD5;	25	use Digest::MD5;
22	use Fcntl;	26	use Fcntl;
		27	use YAML::Syck ();
23	use IO::AIO 2.32 ();	28	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
26		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$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		39
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
33		42
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		44
		45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		46
36	our %COMMAND = ();	47	our %COMMAND = ();
37	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
38		49
39	our @EXTS = (); # list of extension package names	50	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	51	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
42		54
		55	our $RELOAD; # number of reloads so far
43	our @EVENT;	56	our @EVENT;
44	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
45		58
46	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6;
47	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	63	our $NEXT_TICK;
49	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
50		69
51	our %CFG;	70	our %CFG;
52		71
53	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	73	our $RUNTIME;
55		74
56	our %PLAYER; # all users	75	our %PLAYER; # all users
57	our %MAP; # all maps	76	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
		79	our $BDB_ENV_DIR = cf::localdir . "/db";
60		80
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		83
		84	# used to convert map paths into valid unix filenames by replacing / by ∕
		85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
63		86
64	binmode STDOUT;	87	binmode STDOUT;
65	binmode STDERR;	88	binmode STDERR;
66		89
67	# read virtual server time, if available	90	# read virtual server time, if available
…		…
74	mkdir cf::localdir;	97	mkdir cf::localdir;
75	mkdir cf::localdir . "/" . cf::playerdir;	98	mkdir cf::localdir . "/" . cf::playerdir;
76	mkdir cf::localdir . "/" . cf::tmpdir;	99	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;	100	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;	101	mkdir $RANDOM_MAPS;
		102	mkdir $BDB_ENV_DIR;
79		103
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	104	our $EMERGENCY_POSITION;
		105
		106	sub cf::map::normalise;
83		107
84	#############################################################################	108	#############################################################################
85		109
86	=head2 GLOBAL VARIABLES	110	=head2 GLOBAL VARIABLES
87		111
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	211	$d
188	} || "[unable to dump $_[0]: '$@']";	212	} || "[unable to dump $_[0]: '$@']";
189	}	213	}
190		214
191	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
192		216
193	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
194		218
195	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
196		220
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
205		222
206	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
207
208	=cut
209
210	sub to_json($) {
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
212	JSON::Syck::Dump $_[0]
213	}
214		224
215	=item cf::lock_wait $string	225	=item cf::lock_wait $string
216		226
217	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
218		228
…		…
255	}	265	}
256		266
257	sub freeze_mainloop {	267	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
259		269
260	my $guard = Coro::guard { $TICK_WATCHER->start };	270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
261	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
262	$guard	274	$guard
263	}	275	}
264		276
265	=item cf::async { BLOCK }	277	=item cf::async { BLOCK }
…		…
336		348
337	$coro	349	$coro
338	}	350	}
339		351
340	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
341	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
342		356
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
344	or return;	358	or return;
345		359
		360	my $value = $cf::RUNTIME + 90 + 10;
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;	365	and return;
349		366
		367	# always fsync - this file is important
350	aio_fsync $fh	368	aio_fsync $fh
351	and return;	369	and return;
352		370
353	close $fh	371	close $fh
354	or return;	372	or return;
…		…
357	and return;	375	and return;
358		376
359	1	377	1
360	}	378	}
361		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
362	=back	391	=back
363		392
364	=cut	393	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		394
493	#############################################################################	395	#############################################################################
494		396
495	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
496		398
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	525	our @CB_MAP = ();
624		526
625	my %attachment;	527	my %attachment;
626		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
627	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
629		537
630	use sort 'stable';	538	use sort 'stable';
631		539
…		…
802	# object support	710	# object support
803		711
804	sub reattach {	712	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		717
808	my $registry = $obj->registry;	718	my $registry = $obj->registry;
809		719
810	@$registry = ();	720	@$registry = ();
811		721
…		…
858	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
859		769
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	774	close $fh;
865		775
866	if (@$objs) {	776	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	782	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
874	}	784	}
875	} else {	785	} else {
876	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
987	my $base = $1;	897	my $base = $1;
988	my $pkg = $1;	898	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
991		901
992	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
993		903
994	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
995	or die "$path: $!";	905	or die "$path: $!";
996		906
997	my $source =	907	my $source =
998	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
1001	. "\n};\n1";	911	. "\n};\n1";
1002		912
1003	eval $source	913	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	915	: "extension disabled.\n";
		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		917	warn $@;
		918	warn "mandatory extension failed to load, exiting.\n";
		919	exit 1;
		920	}
		921	die $@;
		922	}
1006		923
1007	push @EXTS, $pkg;	924	push @EXTS, $pkg;
1008	}	925	}
1009		926
1010	sub load_extensions {	927	sub load_extensions {
…		…
1016	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1017	}	934	}
1018	}	935	}
1019		936
1020	#############################################################################	937	#############################################################################
1021	# load/save/clean perl data associated with a map
1022
1023	*cf::mapsupport::on_clean = sub {
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		938
1036	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1037		940
1038	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1039		942
…		…
1062	}	965	}
1063		966
1064	sub path($) {	967	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		969
1067	(playerdir $login) . "/$login.pl"	970	(playerdir $login) . "/playerdata"
1068	}	971	}
1069		972
1070	sub find_active($) {	973	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	974	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	975	and $cf::PLAYER{$_[0]}->active
…		…
1075		978
1076	sub exists($) {	979	sub exists($) {
1077	my ($login) = @_;	980	my ($login) = @_;
1078		981
1079	$cf::PLAYER{$login}	982	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	983	or cf::sync_job { !aio_stat path $login }
1081	}	984	}
1082		985
1083	sub find($) {	986	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	987	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	988	my $login = $_[0];
1086		989
1087	my $guard = cf::lock_acquire "user_find:$login";	990	my $guard = cf::lock_acquire "user_find:$login";
1088		991
1089	$cf::PLAYER{$_[0]} || do {	992	$cf::PLAYER{$_[0]} || do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
1090	my $pl = load_pl path $login	1000	my $pl = load_pl path $login
1091	or return;	1001	or return;
1092	$cf::PLAYER{$login} = $pl	1002	$cf::PLAYER{$login} = $pl
1093	}	1003	}
1094	}	1004	}
…		…
1131		1041
1132	=cut	1042	=cut
1133		1043
1134	sub quit_character {	1044	sub quit_character {
1135	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1136		1048
1137	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1050	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1051
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1059	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
1150	IO::AIO::aio_rmtree $temp;	1068	IO::AIO::aio_rmtree $temp;
		1069	}
		1070
		1071	=item $pl->kick
		1072
		1073	Kicks a player out of the game. This destroys the connection.
		1074
		1075	=cut
		1076
		1077	sub kick {
		1078	my ($pl, $kicker) = @_;
		1079
		1080	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1081	$pl->killer ("kicked");
		1082	$pl->ns->destroy;
1151	}	1083	}
1152		1084
1153	=item cf::player::list_logins	1085	=item cf::player::list_logins
1154		1086
1155	Returns am arrayref of all valid playernames in the system, can take a	1087	Returns am arrayref of all valid playernames in the system, can take a
…		…
1175	\@logins	1107	\@logins
1176	}	1108	}
1177		1109
1178	=item $player->maps	1110	=item $player->maps
1179		1111
1180	Returns an arrayref of cf::path's of all maps that are private for this	1112	Returns an arrayref of map paths that are private for this
1181	player. May block.	1113	player. May block.
1182		1114
1183	=cut	1115	=cut
1184		1116
1185	sub maps($) {	1117	sub maps($) {
1186	my ($pl) = @_;	1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1121
1188	my $files = aio_readdir playerdir $pl	1122	my $files = aio_readdir playerdir $pl
1189	or return;	1123	or return;
1190		1124
1191	my @paths;	1125	my @paths;
…		…
1193	for (@$files) {	1127	for (@$files) {
1194	utf8::decode $_;	1128	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1129	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1130	next unless /^$PATH_SEP/o;
1197		1131
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1132	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1133	}
1200		1134
1201	\@paths	1135	\@paths
1202	}	1136	}
1203		1137
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1205		1139
1206	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1207		1141
1208	=cut	1142	=cut
1209		1143
1210	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1212		1146
1213	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1214		1148
1215	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
1216	}	1150	}
1217		1151
1218	package cf;	1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	=head3 cf::region
		1165
		1166	=over 4
		1167
		1168	=cut
		1169
		1170	package cf::region;
		1171
		1172	=item cf::region::find_by_path $path
		1173
		1174	Tries to decuce the probable region for a map knowing only its path.
		1175
		1176	=cut
		1177
		1178	sub find_by_path($) {
		1179	my ($path) = @_;
		1180
		1181	my ($match, $specificity);
		1182
		1183	for my $region (list) {
		1184	if ($region->match && $path =~ $region->match) {
		1185	($match, $specificity) = ($region, $region->specificity)
		1186	if $region->specificity > $specificity;
		1187	}
		1188	}
		1189
		1190	$match
		1191	}
1219		1192
1220	=back	1193	=back
1221
1222		1194
1223	=head3 cf::map	1195	=head3 cf::map
1224		1196
1225	=over 4	1197	=over 4
1226		1198
…		…
1229	package cf::map;	1201	package cf::map;
1230		1202
1231	use Fcntl;	1203	use Fcntl;
1232	use Coro::AIO;	1204	use Coro::AIO;
1233		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1234	our $MAX_RESET = 3600;	1210	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1211	our $DEFAULT_RESET = 3000;
1236		1212
1237	sub generate_random_map {	1213	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1216	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1227	(cf::region::find $rmp->{region}), $rmp->{custom}
		1228	)
		1229	}
		1230
		1231	=item cf::map->register ($regex, $prio)
		1232
		1233	Register a handler for the map path matching the given regex at the
		1234	givne priority (higher is better, built-in handlers have priority 0, the
		1235	default).
		1236
		1237	=cut
		1238
		1239	sub register {
		1240	my (undef, $regex, $prio) = @_;
		1241	my $pkg = caller;
		1242
		1243	no strict;
		1244	push @{"$pkg\::ISA"}, __PACKAGE__;
		1245
		1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1247	}
		1248
		1249	# also paths starting with '/'
		1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1251
		1252	sub thawer_merge {
		1253	my ($self, $merge) = @_;
		1254
		1255	# we have to keep some variables in memory intact
		1256	local $self->{path};
		1257	local $self->{load_path};
		1258	local $self->{deny_save};
		1259	local $self->{deny_reset};
		1260
		1261	$self->SUPER::thawer_merge ($merge);
		1262	}
		1263
		1264	sub normalise {
		1265	my ($path, $base) = @_;
		1266
		1267	$path = "$path"; # make sure its a string
		1268
		1269	$path =~ s/\.map$//;
		1270
		1271	# map plan:
		1272	#
		1273	# /! non-realised random map exit (special hack!)
		1274	# {... are special paths that are not being touched
		1275	# ?xxx/... are special absolute paths
		1276	# ?random/... random maps
		1277	# /... normal maps
		1278	# ~user/... per-player map of a specific user
		1279
		1280	$path =~ s/$PATH_SEP/\//go;
		1281
		1282	# treat it as relative path if it starts with
		1283	# something that looks reasonable
		1284	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1285	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1286
		1287	$base =~ s{[^/]+/?$}{};
		1288	$path = "$base/$path";
		1289	}
		1290
		1291	for ($path) {
		1292	redo if s{//}{/};
		1293	redo if s{/\.?/}{/};
		1294	redo if s{/[^/]+/\.\./}{/};
		1295	}
		1296
		1297	$path
		1298	}
		1299
		1300	sub new_from_path {
		1301	my (undef, $path, $base) = @_;
		1302
		1303	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1304
		1305	$path = normalise $path, $base;
		1306
		1307	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1308	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1309	my $self = bless cf::map::new, $pkg;
		1310	$self->{path} = $path; $self->path ($path);
		1311	$self->init; # pass $1 etc.
		1312	return $self;
		1313	}
		1314	}
		1315
		1316	Carp::carp "unable to resolve path '$path' (base '$base').";
		1317	()
		1318	}
		1319
		1320	sub init {
		1321	my ($self) = @_;
		1322
		1323	$self
		1324	}
		1325
		1326	sub as_string {
		1327	my ($self) = @_;
		1328
		1329	"$self->{path}"
		1330	}
		1331
		1332	# the displayed name, this is a one way mapping
		1333	sub visible_name {
		1334	&as_string
		1335	}
		1336
		1337	# the original (read-only) location
		1338	sub load_path {
		1339	my ($self) = @_;
		1340
		1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1342	}
		1343
		1344	# the temporary/swap location
		1345	sub save_path {
		1346	my ($self) = @_;
		1347
		1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1350	}
		1351
		1352	# the unique path, undef == no special unique path
		1353	sub uniq_path {
		1354	my ($self) = @_;
		1355
		1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1254	}	1358	}
1255		1359
1256	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1257	# all maps in C++...	1361	# all maps in C++...
1258	sub change_all_map_light {	1362	sub change_all_map_light {
…		…
1260		1364
1261	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1263	}	1367	}
1264		1368
		1369	sub unlink_save {
		1370	my ($self) = @_;
		1371
		1372	utf8::encode (my $save = $self->save_path);
		1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1374	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1375	}
		1376
1265	sub try_load_header($) {	1377	sub load_header_from($) {
1266	my ($path) = @_;	1378	my ($self, $path) = @_;
1267		1379
1268	utf8::encode $path;	1380	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1270	or return;	1385	or return;
1271		1386
1272	my $map = cf::map::new	1387	$self->{load_path} = $path;
		1388
		1389	1
		1390	}
		1391
		1392	sub load_header_orig {
		1393	my ($self) = @_;
		1394
		1395	$self->load_header_from ($self->load_path)
		1396	}
		1397
		1398	sub load_header_temp {
		1399	my ($self) = @_;
		1400
		1401	$self->load_header_from ($self->save_path)
		1402	}
		1403
		1404	sub prepare_temp {
		1405	my ($self) = @_;
		1406
		1407	$self->last_access ((delete $self->{last_access})
		1408	|| $cf::RUNTIME); #d#
		1409	# safety
		1410	$self->{instantiate_time} = $cf::RUNTIME
		1411	if $self->{instantiate_time} > $cf::RUNTIME;
		1412	}
		1413
		1414	sub prepare_orig {
		1415	my ($self) = @_;
		1416
		1417	$self->{load_original} = 1;
		1418	$self->{instantiate_time} = $cf::RUNTIME;
		1419	$self->last_access ($cf::RUNTIME);
		1420	$self->instantiate;
		1421	}
		1422
		1423	sub load_header {
		1424	my ($self) = @_;
		1425
		1426	if ($self->load_header_temp) {
		1427	$self->prepare_temp;
		1428	} else {
		1429	$self->load_header_orig
1273	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1274		1433
1275	# for better error messages only, will be overwritten	1434	$self->default_region (cf::region::find_by_path $self->{path})
1276	$map->path ($path);	1435	unless $self->default_region;
1277		1436
1278	$map->load_header ($path)	1437	1
1279	or return;
1280
1281	$map->{load_path} = $path;
1282
1283	$map
1284	}	1438	}
1285		1439
1286	sub find;	1440	sub find;
1287	sub find {	1441	sub find {
1288	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1289		1443
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1445
1295	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1296		1447
1297	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1299		1450	my $map = new_from_path cf::map $path
1300	# do it the slow way
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1451	or return;
1319		1452
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1332		1454
1333	Coro::cede;	1455	$map->load_header
		1456	or return;
1334		1457
1335	if ($map->should_reset) {	1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1459	# doing this can freeze the server in a sync job, obviously
		1460	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1461	$map->reset;
1337	undef $guard;	1462	undef $guard;
1338	$map = find $path	1463	return find $path;
1339	or return;
1340	}	1464	}
1341		1465
1342	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1343	}	1467	}
1344	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1345		1472
1346	sub load {	1473	sub load {
1347	my ($self) = @_;	1474	my ($self) = @_;
1348		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1349	my $path = $self->{path};	1478	my $path = $self->{path};
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1351		1480
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1482
1354	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1355		1484
1356	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488
1357	$self->load_objects ($self->{load_path}, 1)	1489	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1490	or return;
1359		1491
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1493	if delete $self->{load_original};
1362		1494
1363	if (my $uniq = $path->uniq_path) {	1495	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1496	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1497	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1498	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1499	$self->_load_objects ($uniq, 0);
1368	}	1500	}
1369	}	1501	}
1370		1502
1371	Coro::cede;	1503	Coro::cede;
1372		1504
1373	# now do the right thing for maps	1505	# now do the right thing for maps
1374	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
1375		1507
1376	if ($self->{path}->is_style_map) {	1508	unless ($self->{deny_activate}) {
1377	$self->{deny_save} = 1;	1509	$self->decay_objects;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;	1510	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;	1511	$self->update_buttons;
		1512	Coro::cede;
1383	$self->set_darkness_map;	1513	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1514	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1515	unless $self->difficulty;
		1516	Coro::cede;
1386	$self->activate;	1517	$self->activate;
1387	}	1518	}
1388		1519
1389	Coro::cede;	1520	$self->post_load;
1390		1521
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1522	$self->in_memory (cf::MAP_IN_MEMORY);
		1523	}
		1524
		1525	sub customise_for {
		1526	my ($self, $ob) = @_;
		1527
		1528	return find "~" . $ob->name . "/" . $self->{path}
		1529	if $self->per_player;
		1530
		1531	$self
1392	}	1532	}
1393		1533
1394	# find and load all maps in the 3x3 area around a map	1534	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1535	sub load_diag {
1396	my ($map) = @_;	1536	my ($map) = @_;
…		…
1426		1566
1427	cf::sync_job { $map->load };	1567	cf::sync_job { $map->load };
1428	}	1568	}
1429		1569
1430	our %MAP_PREFETCH;	1570	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1571	our $MAP_PREFETCHER = undef;
1432	while () {
1433	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH
1435	or next;
1436	my $path = delete $MAP_PREFETCH{$key};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1572
1446	sub find_async {	1573	sub find_async {
1447	my ($path, $origin) = @_;	1574	my ($path, $origin) = @_;
1448		1575
1449	$path = new cf::path $path, $origin && $origin->path;	1576	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1577
1452	if (my $map = $cf::MAP{$key}) {	1578	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1580	}
1455		1581
1456	$MAP_PREFETCH{$key} = $path;	1582	undef $MAP_PREFETCH{$path};
		1583	$MAP_PREFETCHER ||= cf::async {
		1584	while (%MAP_PREFETCH) {
		1585	for my $path (keys %MAP_PREFETCH) {
		1586	my $map = find $path
		1587	or next;
		1588	$map->load;
		1589
		1590	delete $MAP_PREFETCH{$path};
		1591	}
		1592	}
		1593	undef $MAP_PREFETCHER;
		1594	};
1457	$MAP_PREFETCHER->ready;	1595	$MAP_PREFETCHER->prio (6);
1458		1596
1459	()	1597	()
1460	}	1598	}
1461		1599
1462	sub save {	1600	sub save {
…		…
1466		1604
1467	$self->{last_save} = $cf::RUNTIME;	1605	$self->{last_save} = $cf::RUNTIME;
1468		1606
1469	return unless $self->dirty;	1607	return unless $self->dirty;
1470		1608
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1609	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1610	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1611
1474	$self->{load_path} = $save;	1612	$self->{load_path} = $save;
1475		1613
1476	return if $self->{deny_save};	1614	return if $self->{deny_save};
1477		1615
…		…
1480	cf::async {	1618	cf::async {
1481	$_->contr->save for $self->players;	1619	$_->contr->save for $self->players;
1482	};	1620	};
1483		1621
1484	if ($uniq) {	1622	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1625	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1627	}
1490	}	1628	}
1491		1629
1492	sub swap_out {	1630	sub swap_out {
1493	my ($self) = @_;	1631	my ($self) = @_;
…		…
1507		1645
1508	sub reset_at {	1646	sub reset_at {
1509	my ($self) = @_;	1647	my ($self) = @_;
1510		1648
1511	# TODO: safety, remove and allow resettable per-player maps	1649	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};	1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1513	return 1e99 if $self->{deny_reset};	1651	return 1e99 if $self->{deny_reset};
1514		1652
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1655
…		…
1522	my ($self) = @_;	1660	my ($self) = @_;
1523		1661
1524	$self->reset_at <= $cf::RUNTIME	1662	$self->reset_at <= $cf::RUNTIME
1525	}	1663	}
1526		1664
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	1665	sub reset {
1549	my ($self) = @_;	1666	my ($self) = @_;
1550		1667
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1668	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1669
1553	return if $self->players;	1670	return if $self->players;
1554	return if $self->{path}{user_rel};#d#	1671	return if $self->isa ("ext::map_per_player");#d#
1555		1672
1556	warn "resetting map ", $self->path;#d#	1673	warn "resetting map ", $self->path;#d#
1557		1674
		1675	$self->in_memory (cf::MAP_SWAPPED);
		1676
		1677	# need to save uniques path
		1678	unless ($self->{deny_save}) {
		1679	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1680
		1681	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1682	if $uniq;
		1683	}
		1684
1558	delete $cf::MAP{$self->path};	1685	delete $cf::MAP{$self->path};
		1686
		1687	$self->clear;
1559		1688
1560	$_->clear_links_to ($self) for values %cf::MAP;	1689	$_->clear_links_to ($self) for values %cf::MAP;
1561		1690
1562	$self->unlink_save;	1691	$self->unlink_save;
1563	$self->destroy;	1692	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	1695	my $nuke_counter = "aaaa";
1567		1696
1568	sub nuke {	1697	sub nuke {
1569	my ($self) = @_;	1698	my ($self) = @_;
1570		1699
		1700	delete $cf::MAP{$self->path};
		1701
		1702	$self->unlink_save;
		1703
		1704	bless $self, "cf::map";
		1705	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	1706	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	1707	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1709
		1710	$cf::MAP{$self->path} = $self;
		1711
1574	$self->reset; # polite request, might not happen	1712	$self->reset; # polite request, might not happen
1575	}	1713	}
1576		1714
1577	sub customise_for {
1578	my ($map, $ob) = @_;
1579
1580	if ($map->per_player) {
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1582	}
1583
1584	$map
1585	}
1586
1587	=item cf::map::unique_maps	1715	=item cf::map::unique_maps
1588		1716
1589	Returns an arrayref of cf::path's of all shared maps that have	1717	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	1718	instantiated unique items. May block.
1591		1719
1592	=cut	1720	=cut
1593		1721
1594	sub unique_maps() {	1722	sub unique_maps() {
…		…
1600	for (@$files) {	1728	for (@$files) {
1601	utf8::decode $_;	1729	utf8::decode $_;
1602	next if /\.pst$/;	1730	next if /\.pst$/;
1603	next unless /^$PATH_SEP/o;	1731	next unless /^$PATH_SEP/o;
1604		1732
1605	push @paths, new cf::path $_;	1733	push @paths, cf::map::normalise $_;
1606	}	1734	}
1607		1735
1608	\@paths	1736	\@paths
1609	}	1737	}
1610		1738
…		…
1685		1813
1686	=item $player_object->enter_link	1814	=item $player_object->enter_link
1687		1815
1688	Freezes the player and moves him/her to a special map (C<{link}>).	1816	Freezes the player and moves him/her to a special map (C<{link}>).
1689		1817
1690	The player should be reaosnably safe there for short amounts of time. You	1818	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	1819	I<MUST> call C<leave_link> as soon as possible, though.
1692		1820
		1821	Will never block.
		1822
1693	=item $player_object->leave_link ($map, $x, $y)	1823	=item $player_object->leave_link ($map, $x, $y)
1694		1824
1695	Moves the player out of the specila link map onto the given map. If the	1825	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	1826	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	1827	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	1828	fails, to the emergency map position.
1699		1829
1700	Might block.	1830	Might block.
1701		1831
1702	=cut	1832	=cut
		1833
		1834	sub link_map {
		1835	unless ($LINK_MAP) {
		1836	$LINK_MAP = cf::map::find "{link}"
		1837	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1838	$LINK_MAP->load;
		1839	}
		1840
		1841	$LINK_MAP
		1842	}
1703		1843
1704	sub cf::object::player::enter_link {	1844	sub cf::object::player::enter_link {
1705	my ($self) = @_;	1845	my ($self) = @_;
1706		1846
1707	$self->deactivate_recursive;	1847	$self->deactivate_recursive;
1708		1848
1709	return if $self->map == $LINK_MAP;	1849	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		1850
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	1852	if $self->map;
1713		1853
1714	$self->enter_map ($LINK_MAP, 20, 20);	1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	1855	}
1716		1856
1717	sub cf::object::player::leave_link {	1857	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	1858	my ($self, $map, $x, $y) = @_;
1719		1859
…		…
1741	$map->load;	1881	$map->load;
1742	$map->load_diag;	1882	$map->load_diag;
1743		1883
1744	return unless $self->contr->active;	1884	return unless $self->contr->active;
1745	$self->activate_recursive;	1885	$self->activate_recursive;
		1886
		1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	1888	$self->enter_map ($map, $x, $y);
1747	}	1889	}
1748		1890
1749	cf::player->attach (	1891	cf::player->attach (
1750	on_logout => sub {	1892	on_logout => sub {
…		…
1763	# try to abort aborted map switching on player login :)	1905	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes	1906	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {	1907	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;	1908	$pl->ob->enter_link;
1767	(async {	1909	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,	1910	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "	1911	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",	1912	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);	1913	cf::NDI_RED);
		1914	# we need this sleep as the login has a concurrent enter_exit running
		1915	# and this sleep increases chances of the player not ending up in scorn
1774	Coro::Timer::sleep 1;	1916	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;	1917	$pl->ob->leave_link;
1776	})->prio (2);	1918	})->prio (2);
1777	}	1919	}
1778	},	1920	},
…		…
1783	=cut	1925	=cut
1784		1926
1785	sub cf::object::player::goto {	1927	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	1928	my ($self, $path, $x, $y) = @_;
1787		1929
1788	$path = new cf::path $path;
1789
1790	$self->enter_link;	1930	$self->enter_link;
1791		1931
1792	(async {	1932	(async {
		1933	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	1934	my $map = cf::map::find $path;
1794	$map = $map->customise_for ($self) if $map;	1935	$map = $map->customise_for ($self) if $map;
1795		1936	$map
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	1937	} or
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1800		1939
1801	$self->leave_link ($map, $x, $y);	1940	$self->leave_link ($map, $x, $y);
1802	})->prio (1);	1941	})->prio (1);
1803	}	1942	}
1804		1943
…		…
1808		1947
1809	sub parse_random_map_params {	1948	sub parse_random_map_params {
1810	my ($spec) = @_;	1949	my ($spec) = @_;
1811		1950
1812	my $rmp = { # defaults	1951	my $rmp = { # defaults
1813	xsize => 10,	1952	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	1953	ysize => (cf::rndm 15, 40),
		1954	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1955	#layout => string,
1815	};	1956	};
1816		1957
1817	for (split /\n/, $spec) {	1958	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	1959	my ($k, $v) = split /\s+/, $_, 2;
1819		1960
…		…
1823	$rmp	1964	$rmp
1824	}	1965	}
1825		1966
1826	sub prepare_random_map {	1967	sub prepare_random_map {
1827	my ($exit) = @_;	1968	my ($exit) = @_;
		1969
		1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		1971
1829	# all this does is basically replace the /! path by	1972	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	1973	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	1974	# that depends on the exit object
1832		1975
1833	my $rmp = parse_random_map_params $exit->msg;	1976	my $rmp = parse_random_map_params $exit->msg;
1834		1977
1835	if ($exit->map) {	1978	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	1979	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	1980	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	1981	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	1982	$rmp->{origin_y} = $exit->y;
1840	}	1983	}
1841		1984
1842	$rmp->{random_seed} ||= $exit->random_seed;	1985	$rmp->{random_seed} ||= $exit->random_seed;
1843		1986
1844	my $data = cf::to_json $rmp;	1987	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	1988	my $md5 = Digest::MD5::md5_hex $data;
		1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1846		1990
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	1992	aio_write $fh, 0, (length $data), $data, 0;
		1993	undef $fh;
		1994	aio_rename "$meta~", $meta;
1849		1995
1850	$exit->slaying ("?random/$md5");	1996	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	1997	$exit->msg (undef);
1852	}	1998	}
1853	}	1999	}
1854		2000
1855	sub cf::object::player::enter_exit {	2001	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2002	my ($self, $exit) = @_;
1857		2003
1858	return unless $self->type == cf::PLAYER;	2004	return unless $self->type == cf::PLAYER;
		2005
		2006	if ($exit->slaying eq "/!") {
		2007	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2008	# the problem is that $exit might not survive long enough
		2009	# so it needs to be done right now, right here
		2010	cf::sync_job { prepare_random_map $exit };
		2011	}
		2012
		2013	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2014	my $hp = $exit->stats->hp;
		2015	my $sp = $exit->stats->sp;
1859		2016
1860	$self->enter_link;	2017	$self->enter_link;
1861		2018
1862	(async {	2019	(async {
1863	$self->deactivate_recursive; # just to be sure	2020	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2021	unless (eval {
1865	prepare_random_map $exit	2022	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2023
1871	1;	2024	1;
1872	}) {	2025	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2026	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2027	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2028	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2029	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2030
1878	warn "ERROR in enter_exit: $@";	2031	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2032	$self->leave_link;
1880	}	2033	}
1881	})->prio (1);	2034	})->prio (1);
…		…
1894		2047
1895	sub cf::client::send_drawinfo {	2048	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2049	my ($self, $text, $flags) = @_;
1897		2050
1898	utf8::encode $text;	2051	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2053	}
1901		2054
		2055	=item $client->ext_event ($type, %msg)
		2056
		2057	Sends an exti event to the client.
		2058
		2059	=cut
		2060
		2061	sub cf::client::ext_event($$%) {
		2062	my ($self, $type, %msg) = @_;
		2063
		2064	$msg{msgtype} = "event_$type";
		2065	$self->send_packet ("ext " . cf::to_json \%msg);
		2066	}
1902		2067
1903	=item $success = $client->query ($flags, "text", \&cb)	2068	=item $success = $client->query ($flags, "text", \&cb)
1904		2069
1905	Queues a query to the client, calling the given callback with	2070	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2071	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1935	# get handled first	2100	# get handled first
1936	my $queue = delete $ns->{query_queue}	2101	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2102	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2103
1939	(shift @$queue)->[1]->($msg);	2104	(shift @$queue)->[1]->($msg);
		2105	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2106
1941	push @{ $ns->{query_queue} }, @$queue;	2107	push @{ $ns->{query_queue} }, @$queue;
1942		2108
1943	if (@{ $ns->{query_queue} } == @$queue) {	2109	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2110	if (@$queue) {
…		…
2002		2168
2003	# here we export the classes and methods available to script code	2169	# here we export the classes and methods available to script code
2004		2170
2005	=pod	2171	=pod
2006		2172
2007	The following fucntions and emthods are available within a safe environment:	2173	The following functions and methods are available within a safe environment:
2008		2174
2009	cf::object contr pay_amount pay_player map	2175	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2176	cf::object::player player
2011	cf::player peaceful	2177	cf::player peaceful
2012	cf::map trigger	2178	cf::map trigger
…		…
2105	The parameter C<$family> should best start with the name of the extension	2271	The parameter C<$family> should best start with the name of the extension
2106	using it, it should be unique.	2272	using it, it should be unique.
2107		2273
2108	=over 4	2274	=over 4
2109		2275
2110	=item $hashref = cf::db_get $family
2111
2112	Return a hashref for use by the extension C<$family>, which can be
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115
2116	=item $value = cf::db_get $family => $key	2276	=item $value = cf::db_get $family => $key
2117		2277
2118	Returns a single value from the database	2278	Returns a single value from the database.
2119
2120	=item cf::db_put $family => $hashref
2121
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124		2279
2125	=item cf::db_put $family => $key => $value	2280	=item cf::db_put $family => $key => $value
2126		2281
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you	2282	Stores the given C<$value> in the family.
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137		2283
2138	=cut	2284	=cut
2139		2285
2140	our $DB;	2286	our $DB;
2141		2287
2142	{	2288	sub db_init {
		2289	unless ($DB) {
		2290	$DB = BDB::db_create $DB_ENV;
		2291
		2292	cf::sync_job {
		2293	eval {
		2294	$DB->set_flags (BDB::CHKSUM);
		2295
		2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2298	cf::cleanup "db_open(db): $!" if $!;
		2299	};
		2300	cf::cleanup "db_open(db): $@" if $@;
		2301	};
		2302
2143	my $path = cf::localdir . "/database.pst";	2303	my $path = cf::localdir . "/database.pst";
		2304	if (stat $path) {
		2305	cf::sync_job {
		2306	my $pst = Storable::retrieve $path;
2144		2307
2145	sub db_load() {	2308	cf::db_put (board => data => $pst->{board});
2146	$DB = stat $path ? Storable::retrieve $path : { };	2309	cf::db_put (guildrules => data => $pst->{guildrules});
2147	}	2310	cf::db_put (rent => balance => $pst->{rent}{balance});
		2311	BDB::db_env_txn_checkpoint $DB_ENV;
2148		2312
2149	my $pid;	2313	unlink $path;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}	2314	};
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});
2171
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {
2178	@_ >= 2
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182
2183	sub db_put($$;$) {
2184	if (@_ >= 3) {
2185	$DB->{$_[0]}{$_[1]} = $_[2];
2186	} else {
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	2315	}
2197	);	2316	}
		2317	}
		2318
		2319	sub db_get($$) {
		2320	my $key = "$_[0]/$_[1]";
		2321
		2322	cf::sync_job {
		2323	BDB::db_get $DB, undef, $key, my $data;
		2324
		2325	$! ? ()
		2326	: Compress::LZF::sthaw $data
		2327	}
		2328	}
		2329
		2330	sub db_put($$$) {
		2331	BDB::dbreq_pri 4;
		2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2198	}	2333	}
2199		2334
2200	#############################################################################	2335	#############################################################################
2201	# the server's main()	2336	# the server's init and main functions
		2337
		2338	sub load_facedata {
		2339	my $path = sprintf "%s/facedata", cf::datadir;
		2340
		2341	warn "loading facedata from $path\n";
		2342
		2343	my $facedata;
		2344	0 < aio_load $path, $facedata
		2345	or die "$path: $!";
		2346
		2347	$facedata = Coro::Storable::thaw $facedata;
		2348
		2349	$facedata->{version} == 2
		2350	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2351
		2352	{
		2353	my $faces = $facedata->{faceinfo};
		2354
		2355	while (my ($face, $info) = each %$faces) {
		2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2360	Coro::cede;
		2361	}
		2362
		2363	while (my ($face, $info) = each %$faces) {
		2364	next unless $info->{smooth};
		2365	my $idx = cf::face::find $face
		2366	or next;
		2367	if (my $smooth = cf::face::find $info->{smooth}) {
		2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2369	} else {
		2370	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2371	}
		2372	Coro::cede;
		2373	}
		2374	}
		2375
		2376	{
		2377	my $anims = $facedata->{animinfo};
		2378
		2379	while (my ($anim, $info) = each %$anims) {
		2380	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2381	Coro::cede;
		2382	}
		2383
		2384	cf::anim::invalidate_all; # d'oh
		2385	}
		2386
		2387	1
		2388	}
		2389
		2390	sub reload_resources {
		2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2392	or die "unable to load regions file\n";#d#
		2393	load_facedata
		2394	or die "unable to load facedata\n";#d#
		2395	}
		2396
		2397	sub init {
		2398	reload_resources;
		2399	}
2202		2400
2203	sub cfg_load {	2401	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2402	open my $fh, "<:utf8", cf::confdir . "/config"
2205	or return;	2403	or return;
2206		2404
…		…
2223		2421
2224	sub main {	2422	sub main {
2225	# we must not ever block the main coroutine	2423	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2424	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2426	(async {
2228	async { Event::one_event };	2427	Event::one_event;
		2428	})->prio (Coro::PRIO_MAX);
2229	};	2429	};
2230		2430
2231	cfg_load;	2431	cfg_load;
2232	db_load;	2432	db_init;
2233	load_extensions;	2433	load_extensions;
		2434
		2435	$TICK_WATCHER->start;
2234	Event::loop;	2436	Event::loop;
2235	}	2437	}
2236		2438
2237	#############################################################################	2439	#############################################################################
2238	# initialisation and cleanup	2440	# initialisation and cleanup
2239		2441
2240	# install some emergency cleanup handlers	2442	# install some emergency cleanup handlers
2241	BEGIN {	2443	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2444	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2445	Event->signal (
		2446	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2447	data => WF_AUTOCANCEL,
2245	signal => $signal,	2448	signal => $signal,
		2449	prio => 0,
2246	cb => sub {	2450	cb => sub {
2247	cf::cleanup "SIG$signal";	2451	cf::cleanup "SIG$signal";
2248	},	2452	},
2249	);	2453	);
2250	}	2454	}
2251	}	2455	}
…		…
2256	warn "enter emergency perl save\n";	2460	warn "enter emergency perl save\n";
2257		2461
2258	cf::sync_job {	2462	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2463	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2464	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2465	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2466	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2467	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2468	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2469	$pl->valid or next;
2266	$pl->save;	2470	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2476	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2477	$map->valid or next;
2274	$map->save;	2478	$map->save;
2275	}	2479	}
2276	warn "end emergency map save\n";	2480	warn "end emergency map save\n";
		2481
		2482	warn "begin emergency database checkpoint\n";
		2483	BDB::db_env_txn_checkpoint $DB_ENV;
		2484	warn "end emergency database checkpoint\n";
2277	};	2485	};
2278		2486
2279	warn "leave emergency perl save\n";	2487	warn "leave emergency perl save\n";
		2488	}
		2489
		2490	sub post_cleanup {
		2491	my ($make_core) = @_;
		2492
		2493	warn Carp::longmess "post_cleanup backtrace"
		2494	if $make_core;
2280	}	2495	}
2281		2496
2282	sub reload() {	2497	sub reload() {
2283	# can/must only be called in main	2498	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2499	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2500	warn "can only reload from main coroutine";
2286	return;	2501	return;
2287	}	2502	}
2288		2503
2289	warn "reloading...";	2504	warn "reloading...";
2290		2505
2291	warn "freezing server";	2506	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2507
		2508	cf::sync_job {
		2509	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2510	cf::emergency_save;
		2511	cf::write_runtime; # external watchdog should not bark
2294		2512
2295	warn "sync database to disk";	2513	warn "syncing database to disk";
2296	cf::db_sync;	2514	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2515
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2516	# if anything goes wrong in here, we should simply crash as we already saved
2301		2517
2302	warn "cancel all watchers";	2518	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2519	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2521	}
2306		2522
		2523	warn "flushing outstanding aio requests";
		2524	for (;;) {
		2525	BDB::flush;
		2526	IO::AIO::flush;
		2527	Coro::cede;
		2528	last unless IO::AIO::nreqs || BDB::nreqs;
		2529	warn "iterate...";
		2530	}
		2531
		2532	++$RELOAD;
		2533
2307	warn "cancel all extension coros";	2534	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2535	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2536	%EXT_CORO = ();
2310		2537
2311	warn "remove commands";	2538	warn "removing commands";
2312	%COMMAND = ();	2539	%COMMAND = ();
2313		2540
2314	warn "remove ext commands";	2541	warn "removing ext commands";
2315	%EXTCMD = ();	2542	%EXTCMD = ();
2316		2543
2317	warn "unload/nuke all extensions";	2544	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2545	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	2546	warn "... unloading $pkg";
2320		2547
2321	if (my $cb = $pkg->can ("unload")) {	2548	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2549	eval {
2323	$cb->($pkg);	2550	$cb->($pkg);
2324	1	2551	1
2325	} or warn "$pkg unloaded, but with errors: $@";	2552	} or warn "$pkg unloaded, but with errors: $@";
2326	}	2553	}
2327		2554
		2555	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	2556	Symbol::delete_package $pkg;
2329	}	2557	}
2330		2558
2331	warn "unload all perl modules loaded from $LIBDIR";	2559	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	2560	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		2562
2335	warn "removing <$k>";	2563	warn "... unloading $k";
2336	delete $INC{$k};	2564	delete $INC{$k};
2337		2565
2338	$k =~ s/\.pm$//;	2566	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	2567	$k =~ s/\//::/g;
2340		2568
…		…
2343	}	2571	}
2344		2572
2345	Symbol::delete_package $k;	2573	Symbol::delete_package $k;
2346	}	2574	}
2347		2575
2348	warn "get rid of safe::, as good as possible";	2576	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	2577	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2578	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		2579
2352	warn "unload cf.pm \"a bit\"";	2580	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	2581	delete $INC{"cf.pm"};
2354		2582
2355	# don't, removes xs symbols, too,	2583	# don't, removes xs symbols, too,
2356	# and global variables created in xs	2584	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	2585	#Symbol::delete_package __PACKAGE__;
2358		2586
		2587	warn "unload completed, starting to reload now";
		2588
2359	warn "reloading cf.pm";	2589	warn "reloading cf.pm";
2360	require cf;	2590	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		2592
2363	warn "load config and database again";	2593	warn "loading config and database again";
2364	cf::cfg_load;	2594	cf::cfg_load;
2365	cf::db_load;
2366		2595
2367	warn "load extensions";	2596	warn "loading extensions";
2368	cf::load_extensions;	2597	cf::load_extensions;
2369		2598
2370	warn "reattach attachments to objects/players";	2599	warn "reattaching attachments to objects/players";
2371	_global_reattach;	2600	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	2601	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	2602	reattach $_ for values %MAP;
2374	};	2603	warn "reattaching attachments to players";
		2604	reattach $_ for values %PLAYER;
2375		2605
2376	if ($@) {	2606	warn "loading reloadable resources";
		2607	reload_resources;
		2608
		2609	warn "leaving sync_job";
		2610
		2611	1
		2612	} or do {
2377	warn $@;	2613	warn $@;
2378	warn "error while reloading, exiting.";	2614	warn "error while reloading, exiting.";
2379	exit 1;	2615	exit 1;
2380	}	2616	};
2381		2617
2382	warn "reloaded";	2618	warn "reloaded";
2383	};	2619	};
2384		2620
2385	#############################################################################	2621	our $RELOAD_WATCHER; # used only during reload
2386
2387	unless ($LINK_MAP) {
2388	$LINK_MAP = cf::map::new;
2389
2390	$LINK_MAP->width (41);
2391	$LINK_MAP->height (41);
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,
2400	cb => sub {
2401	$_[0]->w->cancel;
2402
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});
2421
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}
2427		2622
2428	register_command "reload" => sub {	2623	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	2624	my ($who, $arg) = @_;
2430		2625
2431	if ($who->flag (FLAG_WIZ)) {	2626	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");	2627	$who->message ("reloading server.");
		2628
		2629	# doing reload synchronously and two reloads happen back-to-back,
		2630	# coro crashes during coro_state_free->destroy here.
		2631
		2632	$RELOAD_WATCHER ||= Event->timer (
		2633	reentrant => 0,
		2634	after => 0,
		2635	data => WF_AUTOCANCEL,
		2636	cb => sub {
2433	reload;	2637	reload;
2434	$who->message ("end of reload.");	2638	undef $RELOAD_WATCHER;
		2639	},
		2640	);
2435	}	2641	}
2436	};	2642	};
2437		2643
2438	unshift @INC, $LIBDIR;	2644	unshift @INC, $LIBDIR;
		2645
		2646	my $bug_warning = 0;
2439		2647
2440	$TICK_WATCHER = Event->timer (	2648	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	2649	reentrant => 0,
		2650	parked => 1,
2442	prio => 0,	2651	prio => 0,
2443	at => $NEXT_TICK || $TICK,	2652	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2445	cb => sub {	2654	cb => sub {
		2655	if ($Coro::current != $Coro::main) {
		2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2657	unless ++$bug_warning > 10;
		2658	return;
		2659	}
		2660
		2661	$NOW = Event::time;
		2662
2446	cf::server_tick; # one server iteration	2663	cf::server_tick; # one server iteration
2447	$RUNTIME += $TICK;	2664	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	2665	$NEXT_TICK += $TICK;
2449		2666
		2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2668	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2669	Coro::async_pool {
		2670	write_runtime
		2671	or warn "ERROR: unable to write runtime file: $!";
		2672	};
		2673	}
		2674
2450	$WAIT_FOR_TICK->broadcast;	2675	$WAIT_FOR_TICK->broadcast;
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2677
		2678	# my $AFTER = Event::time;
		2679	# warn $AFTER - $NOW;#d#
2452		2680
2453	# if we are delayed by four ticks or more, skip them all	2681	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2455		2683
2456	$TICK_WATCHER->at ($NEXT_TICK);	2684	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	2685	$TICK_WATCHER->start;
2458	},	2686	},
2459	);	2687	);
2460		2688
		2689	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	2690	BDB::max_poll_time $TICK * 0.1;
2462		2691	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	2692	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	2693	fd => BDB::poll_fileno,
2465	poll => 'r',	2694	poll => 'r',
2466	prio => 5,	2695	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	2696	data => WF_AUTOCANCEL,
2473	after => 0,	2697	cb => \&BDB::poll_cb,
2474	interval => 10,	2698	);
2475	cb => sub {	2699	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	2700
2477	write_runtime	2701	BDB::set_sync_prepare {
2478	or warn "ERROR: unable to write runtime file: $!";	2702	my $status;
		2703	my $current = $Coro::current;
		2704	(
		2705	sub {
		2706	$status = $!;
		2707	$current->ready; undef $current;
		2708	},
		2709	sub {
		2710	Coro::schedule while defined $current;
		2711	$! = $status;
		2712	},
		2713	)
		2714	};
		2715
		2716	unless ($DB_ENV) {
		2717	$DB_ENV = BDB::db_env_create;
		2718
		2719	cf::sync_job {
		2720	eval {
		2721	BDB::db_env_open
		2722	$DB_ENV,
		2723	$BDB_ENV_DIR,
		2724	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2726	0666;
		2727
		2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2729
		2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2731	$DB_ENV->set_lk_detect;
		2732	};
		2733
		2734	cf::cleanup "db_env_open(db): $@" if $@;
2479	})->();	2735	};
2480	},	2736	}
2481	);	2737	}
		2738
		2739	{
		2740	IO::AIO::min_parallel 8;
		2741
		2742	undef $Coro::AIO::WATCHER;
		2743	IO::AIO::max_poll_time $TICK * 0.1;
		2744	$AIO_POLL_WATCHER = Event->io (
		2745	reentrant => 0,
		2746	data => WF_AUTOCANCEL,
		2747	fd => IO::AIO::poll_fileno,
		2748	poll => 'r',
		2749	prio => 6,
		2750	cb => \&IO::AIO::poll_cb,
		2751	);
		2752	}
2482		2753
2483	END { cf::emergency_save }	2754	END { cf::emergency_save }
2484		2755
2485	1	2756	1
2486		2757

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