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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.160 by root, Wed Jan 10 22:54:06 2007 UTC vs.
Revision 1.236 by root, Thu Apr 12 14:18:05 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
		42
		43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		44
36	our %COMMAND = ();	45	our %COMMAND = ();
37	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
38		47
39	our @EXTS = (); # list of extension package names	48	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	49	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
42		52
		53	our $RELOAD; # number of reloads so far
43	our @EVENT;	54	our @EVENT;
44	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
45		56
46	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
47	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	61	our $NEXT_TICK;
49	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;
50		67
51	our %CFG;	68	our %CFG;
52		69
53	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	71	our $RUNTIME;
55		72
56	our %PLAYER; # all users	73	our %PLAYER; # all users
57	our %MAP; # all maps	74	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
		77	our $BDB_ENV_DIR = cf::localdir . "/db";
60		78
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
62	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
63		84
64	binmode STDOUT;	85	binmode STDOUT;
65	binmode STDERR;	86	binmode STDERR;
66		87
67	# read virtual server time, if available	88	# read virtual server time, if available
…		…
74	mkdir cf::localdir;	95	mkdir cf::localdir;
75	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
76	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
79		101
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
83		105
84	#############################################################################	106	#############################################################################
85		107
86	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
87		109
…		…
186	$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;
187	$d	209	$d
188	} || "[unable to dump $_[0]: '$@']";	210	} || "[unable to dump $_[0]: '$@']";
189	}	211	}
190		212
191	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
192		214
193	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
194		216
195	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
196		218
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
205		220
206	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
207
208	=cut
209
210	sub to_json($) {
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
212	JSON::Syck::Dump $_[0]
213	}
214		222
215	=item cf::lock_wait $string	223	=item cf::lock_wait $string
216		224
217	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
218		226
…		…
255	}	263	}
256		264
257	sub freeze_mainloop {	265	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
259		267
260	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
261	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
262	$guard	272	$guard
263	}	273	}
264		274
265	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
336		346
337	$coro	347	$coro
338	}	348	}
339		349
340	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
341	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
342		354
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
344	or return;	356	or return;
345		357
		358	my $value = $cf::RUNTIME + 90 + 10;
346	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
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;	363	and return;
349		364
		365	# always fsync - this file is important
350	aio_fsync $fh	366	aio_fsync $fh
351	and return;	367	and return;
352		368
353	close $fh	369	close $fh
354	or return;	370	or return;
…		…
357	and return;	373	and return;
358		374
359	1	375	1
360	}	376	}
361		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
362	=back	389	=back
363		390
364	=cut	391	=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		392
493	#############################################################################	393	#############################################################################
494		394
495	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
496		396
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	523	our @CB_MAP = ();
624		524
625	my %attachment;	525	my %attachment;
626		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
627	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
629		535
630	use sort 'stable';	536	use sort 'stable';
631		537
…		…
802	# object support	708	# object support
803		709
804	sub reattach {	710	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		715
808	my $registry = $obj->registry;	716	my $registry = $obj->registry;
809		717
810	@$registry = ();	718	@$registry = ();
811		719
…		…
858	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
859		767
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	772	close $fh;
865		773
866	if (@$objs) {	774	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	780	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
874	}	782	}
875	} else {	783	} else {
876	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
998	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
1001	. "\n};\n1";	909	. "\n};\n1";
1002		910
1003	eval $source	911	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	913	: "extension disabled.\n";
		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		915	warn $@;
		916	warn "mandatory extension failed to load, exiting.\n";
		917	exit 1;
		918	}
		919	die $@;
		920	}
1006		921
1007	push @EXTS, $pkg;	922	push @EXTS, $pkg;
1008	}	923	}
1009		924
1010	sub load_extensions {	925	sub load_extensions {
…		…
1016	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1017	}	932	}
1018	}	933	}
1019		934
1020	#############################################################################	935	#############################################################################
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		936
1036	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1037		938
1038	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1039		940
…		…
1062	}	963	}
1063		964
1064	sub path($) {	965	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		967
1067	(playerdir $login) . "/$login.pl"	968	(playerdir $login) . "/playerdata"
1068	}	969	}
1069		970
1070	sub find_active($) {	971	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	972	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	973	and $cf::PLAYER{$_[0]}->active
…		…
1075		976
1076	sub exists($) {	977	sub exists($) {
1077	my ($login) = @_;	978	my ($login) = @_;
1078		979
1079	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1081	}	982	}
1082		983
1083	sub find($) {	984	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	986	my $login = $_[0];
1086		987
1087	my $guard = cf::lock_acquire "user_find:$login";	988	my $guard = cf::lock_acquire "user_find:$login";
1088		989
1089	$cf::PLAYER{$_[0]} || do {	990	$cf::PLAYER{$_[0]} || do {
		991	# rename old playerfiles to new ones
		992	#TODO: remove when no longer required
		993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		995	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		996	aio_unlink +(playerdir $login) . "/$login.pl";
		997
1090	my $pl = load_pl path $login	998	my $pl = load_pl path $login
1091	or return;	999	or return;
1092	$cf::PLAYER{$login} = $pl	1000	$cf::PLAYER{$login} = $pl
1093	}	1001	}
1094	}	1002	}
…		…
1131		1039
1132	=cut	1040	=cut
1133		1041
1134	sub quit_character {	1042	sub quit_character {
1135	my ($pl) = @_;	1043	my ($pl) = @_;
		1044
		1045	my $name = $pl->ob->name;
1136		1046
1137	$pl->{deny_save} = 1;	1047	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1048	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1049
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1055	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1056	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1057	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1058	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1059	$pl->destroy;
		1060
		1061	my $prefix = qr<^~\Q$name\E/>;
		1062
		1063	# nuke player maps
		1064	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1065
1150	IO::AIO::aio_rmtree $temp;	1066	IO::AIO::aio_rmtree $temp;
		1067	}
		1068
		1069	=item $pl->kick
		1070
		1071	Kicks a player out of the game. This destroys the connection.
		1072
		1073	=cut
		1074
		1075	sub kick {
		1076	my ($pl, $kicker) = @_;
		1077
		1078	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1079	$pl->killer ("kicked");
		1080	$pl->ns->destroy;
1151	}	1081	}
1152		1082
1153	=item cf::player::list_logins	1083	=item cf::player::list_logins
1154		1084
1155	Returns am arrayref of all valid playernames in the system, can take a	1085	Returns am arrayref of all valid playernames in the system, can take a
…		…
1175	\@logins	1105	\@logins
1176	}	1106	}
1177		1107
1178	=item $player->maps	1108	=item $player->maps
1179		1109
1180	Returns an arrayref of cf::path's of all maps that are private for this	1110	Returns an arrayref of map paths that are private for this
1181	player. May block.	1111	player. May block.
1182		1112
1183	=cut	1113	=cut
1184		1114
1185	sub maps($) {	1115	sub maps($) {
1186	my ($pl) = @_;	1116	my ($pl) = @_;
		1117
		1118	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1119
1188	my $files = aio_readdir playerdir $pl	1120	my $files = aio_readdir playerdir $pl
1189	or return;	1121	or return;
1190		1122
1191	my @paths;	1123	my @paths;
…		…
1193	for (@$files) {	1125	for (@$files) {
1194	utf8::decode $_;	1126	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1127	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1128	next unless /^$PATH_SEP/o;
1197		1129
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1130	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1131	}
1200		1132
1201	\@paths	1133	\@paths
1202	}	1134	}
1203		1135
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1136	=item $player->ext_reply ($msgid, %msg)
1205		1137
1206	Sends an ext reply to the player.	1138	Sends an ext reply to the player.
1207		1139
1208	=cut	1140	=cut
1209		1141
1210	sub ext_reply($$$%) {	1142	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1143	my ($self, $id, %msg) = @_;
1212		1144
1213	$msg{msgid} = $id;	1145	$msg{msgid} = $id;
1214		1146
1215	$self->send ("ext " . cf::to_json \%msg);	1147	$self->send ("ext " . cf::to_json \%msg);
		1148	}
		1149
		1150	=item $player->ext_event ($type, %msg)
		1151
		1152	Sends an ext event to the client.
		1153
		1154	=cut
		1155
		1156	sub ext_event($$%) {
		1157	my ($self, $type, %msg) = @_;
		1158
		1159	$self->ns->ext_event ($type, %msg);
1216	}	1160	}
1217		1161
1218	package cf;	1162	package cf;
1219		1163
1220	=back	1164	=back
…		…
1229	package cf::map;	1173	package cf::map;
1230		1174
1231	use Fcntl;	1175	use Fcntl;
1232	use Coro::AIO;	1176	use Coro::AIO;
1233		1177
		1178	use overload
		1179	'""' => \&as_string,
		1180	fallback => 1;
		1181
1234	our $MAX_RESET = 3600;	1182	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1183	our $DEFAULT_RESET = 3000;
1236		1184
1237	sub generate_random_map {	1185	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1186	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1187	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1188	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1192	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1193	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1194	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1195	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1196	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1197	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1198	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1199	(cf::region::find $rmp->{region}), $rmp->{custom}
		1200	)
		1201	}
		1202
		1203	=item cf::map->register ($regex, $prio)
		1204
		1205	Register a handler for the map path matching the given regex at the
		1206	givne priority (higher is better, built-in handlers have priority 0, the
		1207	default).
		1208
		1209	=cut
		1210
		1211	sub register {
		1212	my (undef, $regex, $prio) = @_;
		1213	my $pkg = caller;
		1214
		1215	no strict;
		1216	push @{"$pkg\::ISA"}, __PACKAGE__;
		1217
		1218	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1219	}
		1220
		1221	# also paths starting with '/'
		1222	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1223
		1224	sub thawer_merge {
		1225	my ($self, $merge) = @_;
		1226
		1227	# we have to keep some variables in memory intact
		1228	local $self->{path};
		1229	local $self->{load_path};
		1230	local $self->{deny_save};
		1231	local $self->{deny_reset};
		1232
		1233	$self->SUPER::thawer_merge ($merge);
		1234	}
		1235
		1236	sub normalise {
		1237	my ($path, $base) = @_;
		1238
		1239	$path = "$path"; # make sure its a string
		1240
		1241	$path =~ s/\.map$//;
		1242
		1243	# map plan:
		1244	#
		1245	# /! non-realised random map exit (special hack!)
		1246	# {... are special paths that are not being touched
		1247	# ?xxx/... are special absolute paths
		1248	# ?random/... random maps
		1249	# /... normal maps
		1250	# ~user/... per-player map of a specific user
		1251
		1252	$path =~ s/$PATH_SEP/\//go;
		1253
		1254	# treat it as relative path if it starts with
		1255	# something that looks reasonable
		1256	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1257	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1258
		1259	$base =~ s{[^/]+/?$}{};
		1260	$path = "$base/$path";
		1261	}
		1262
		1263	for ($path) {
		1264	redo if s{//}{/};
		1265	redo if s{/\.?/}{/};
		1266	redo if s{/[^/]+/\.\./}{/};
		1267	}
		1268
		1269	$path
		1270	}
		1271
		1272	sub new_from_path {
		1273	my (undef, $path, $base) = @_;
		1274
		1275	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1276
		1277	$path = normalise $path, $base;
		1278
		1279	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1280	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1281	my $self = bless cf::map::new, $pkg;
		1282	$self->{path} = $path; $self->path ($path);
		1283	$self->init; # pass $1 etc.
		1284	return $self;
		1285	}
		1286	}
		1287
		1288	Carp::carp "unable to resolve path '$path' (base '$base').";
		1289	()
		1290	}
		1291
		1292	sub init {
		1293	my ($self) = @_;
		1294
		1295	$self
		1296	}
		1297
		1298	sub as_string {
		1299	my ($self) = @_;
		1300
		1301	"$self->{path}"
		1302	}
		1303
		1304	# the displayed name, this is a one way mapping
		1305	sub visible_name {
		1306	&as_string
		1307	}
		1308
		1309	# the original (read-only) location
		1310	sub load_path {
		1311	my ($self) = @_;
		1312
		1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1314	}
		1315
		1316	# the temporary/swap location
		1317	sub save_path {
		1318	my ($self) = @_;
		1319
		1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1322	}
		1323
		1324	# the unique path, undef == no special unique path
		1325	sub uniq_path {
		1326	my ($self) = @_;
		1327
		1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1254	}	1330	}
1255		1331
1256	# and all this just because we cannot iterate over	1332	# and all this just because we cannot iterate over
1257	# all maps in C++...	1333	# all maps in C++...
1258	sub change_all_map_light {	1334	sub change_all_map_light {
…		…
1260		1336
1261	$_->change_map_light ($change)	1337	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1338	for grep $_->outdoor, values %cf::MAP;
1263	}	1339	}
1264		1340
		1341	sub unlink_save {
		1342	my ($self) = @_;
		1343
		1344	utf8::encode (my $save = $self->save_path);
		1345	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1346	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1347	}
		1348
1265	sub try_load_header($) {	1349	sub load_header_from($) {
1266	my ($path) = @_;	1350	my ($self, $path) = @_;
1267		1351
1268	utf8::encode $path;	1352	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1353	#aio_open $path, O_RDONLY, 0
		1354	# or return;
		1355
		1356	$self->_load_header ($path)
1270	or return;	1357	or return;
1271		1358
1272	my $map = cf::map::new	1359	$self->{load_path} = $path;
		1360
		1361	1
		1362	}
		1363
		1364	sub load_header_orig {
		1365	my ($self) = @_;
		1366
		1367	$self->load_header_from ($self->load_path)
		1368	}
		1369
		1370	sub load_header_temp {
		1371	my ($self) = @_;
		1372
		1373	$self->load_header_from ($self->save_path)
		1374	}
		1375
		1376	sub prepare_temp {
		1377	my ($self) = @_;
		1378
		1379	$self->last_access ((delete $self->{last_access})
		1380	|| $cf::RUNTIME); #d#
		1381	# safety
		1382	$self->{instantiate_time} = $cf::RUNTIME
		1383	if $self->{instantiate_time} > $cf::RUNTIME;
		1384	}
		1385
		1386	sub prepare_orig {
		1387	my ($self) = @_;
		1388
		1389	$self->{load_original} = 1;
		1390	$self->{instantiate_time} = $cf::RUNTIME;
		1391	$self->last_access ($cf::RUNTIME);
		1392	$self->instantiate;
		1393	}
		1394
		1395	sub load_header {
		1396	my ($self) = @_;
		1397
		1398	if ($self->load_header_temp) {
		1399	$self->prepare_temp;
		1400	} else {
		1401	$self->load_header_orig
1273	or return;	1402	or return;
		1403	$self->prepare_orig;
		1404	}
1274		1405
1275	# for better error messages only, will be overwritten	1406	1
1276	$map->path ($path);
1277
1278	$map->load_header ($path)
1279	or return;
1280
1281	$map->{load_path} = $path;
1282
1283	$map
1284	}	1407	}
1285		1408
1286	sub find;	1409	sub find;
1287	sub find {	1410	sub find {
1288	my ($path, $origin) = @_;	1411	my ($path, $origin) = @_;
1289		1412
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1413	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1414
1295	cf::lock_wait "map_find:$key";	1415	cf::lock_wait "map_find:$path";
1296		1416
1297	$cf::MAP{$key} || do {	1417	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1418	my $guard = cf::lock_acquire "map_find:$path";
1299		1419	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;	1420	or return;
1319		1421
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;	1422	$map->{last_save} = $cf::RUNTIME;
1332		1423
1333	Coro::cede;	1424	$map->load_header
		1425	or return;
1334		1426
1335	if ($map->should_reset) {	1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1428	# doing this can freeze the server in a sync job, obviously
		1429	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1430	$map->reset;
1337	undef $guard;	1431	undef $guard;
1338	$map = find $path	1432	return find $path;
1339	or return;
1340	}	1433	}
1341		1434
1342	$cf::MAP{$key} = $map	1435	$cf::MAP{$path} = $map
1343	}	1436	}
1344	}	1437	}
		1438
		1439	sub pre_load { }
		1440	sub post_load { }
1345		1441
1346	sub load {	1442	sub load {
1347	my ($self) = @_;	1443	my ($self) = @_;
1348		1444
		1445	local $self->{deny_reset} = 1; # loading can take a long time
		1446
1349	my $path = $self->{path};	1447	my $path = $self->{path};
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1448	my $guard = cf::lock_acquire "map_load:$path";
1351		1449
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1450	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1451
1354	$self->in_memory (cf::MAP_LOADING);	1452	$self->in_memory (cf::MAP_LOADING);
1355		1453
1356	$self->alloc;	1454	$self->alloc;
		1455
		1456	$self->pre_load;
		1457
1357	$self->load_objects ($self->{load_path}, 1)	1458	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1459	or return;
1359		1460
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1462	if delete $self->{load_original};
1362		1463
1363	if (my $uniq = $path->uniq_path) {	1464	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1465	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1466	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1467	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1468	$self->_load_objects ($uniq, 0);
1368	}	1469	}
1369	}	1470	}
1370		1471
1371	Coro::cede;	1472	Coro::cede;
1372		1473
1373	# now do the right thing for maps	1474	# now do the right thing for maps
1374	$self->link_multipart_objects;	1475	$self->link_multipart_objects;
1375		1476
1376	if ($self->{path}->is_style_map) {	1477	unless ($self->{deny_activate}) {
1377	$self->{deny_save} = 1;	1478	$self->decay_objects;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;	1479	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;	1480	$self->update_buttons;
		1481	Coro::cede;
1383	$self->set_darkness_map;	1482	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1483	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1484	unless $self->difficulty;
		1485	Coro::cede;
1386	$self->activate;	1486	$self->activate;
1387	}	1487	}
1388		1488
1389	Coro::cede;	1489	$self->post_load;
1390		1490
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1491	$self->in_memory (cf::MAP_IN_MEMORY);
		1492	}
		1493
		1494	sub customise_for {
		1495	my ($self, $ob) = @_;
		1496
		1497	return find "~" . $ob->name . "/" . $self->{path}
		1498	if $self->per_player;
		1499
		1500	$self
1392	}	1501	}
1393		1502
1394	# find and load all maps in the 3x3 area around a map	1503	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1504	sub load_diag {
1396	my ($map) = @_;	1505	my ($map) = @_;
…		…
1426		1535
1427	cf::sync_job { $map->load };	1536	cf::sync_job { $map->load };
1428	}	1537	}
1429		1538
1430	our %MAP_PREFETCH;	1539	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1540	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	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1541
1446	sub find_async {	1542	sub find_async {
1447	my ($path, $origin) = @_;	1543	my ($path, $origin) = @_;
1448		1544
1449	$path = new cf::path $path, $origin && $origin->path;	1545	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1546
1452	if (my $map = $cf::MAP{$key}) {	1547	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1549	}
1455		1550
1456	$MAP_PREFETCH{$key} = $path;	1551	undef $MAP_PREFETCH{$path};
		1552	$MAP_PREFETCHER ||= cf::async {
		1553	while (%MAP_PREFETCH) {
		1554	for my $path (keys %MAP_PREFETCH) {
		1555	my $map = find $path
		1556	or next;
		1557	$map->load;
		1558
		1559	delete $MAP_PREFETCH{$path};
		1560	}
		1561	}
		1562	undef $MAP_PREFETCHER;
		1563	};
1457	$MAP_PREFETCHER->ready;	1564	$MAP_PREFETCHER->prio (6);
1458		1565
1459	()	1566	()
1460	}	1567	}
1461		1568
1462	sub save {	1569	sub save {
…		…
1466		1573
1467	$self->{last_save} = $cf::RUNTIME;	1574	$self->{last_save} = $cf::RUNTIME;
1468		1575
1469	return unless $self->dirty;	1576	return unless $self->dirty;
1470		1577
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1578	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1579	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1580
1474	$self->{load_path} = $save;	1581	$self->{load_path} = $save;
1475		1582
1476	return if $self->{deny_save};	1583	return if $self->{deny_save};
1477		1584
…		…
1480	cf::async {	1587	cf::async {
1481	$_->contr->save for $self->players;	1588	$_->contr->save for $self->players;
1482	};	1589	};
1483		1590
1484	if ($uniq) {	1591	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1594	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1595	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1596	}
1490	}	1597	}
1491		1598
1492	sub swap_out {	1599	sub swap_out {
1493	my ($self) = @_;	1600	my ($self) = @_;
…		…
1507		1614
1508	sub reset_at {	1615	sub reset_at {
1509	my ($self) = @_;	1616	my ($self) = @_;
1510		1617
1511	# TODO: safety, remove and allow resettable per-player maps	1618	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};	1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1513	return 1e99 if $self->{deny_reset};	1620	return 1e99 if $self->{deny_reset};
1514		1621
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1624
…		…
1522	my ($self) = @_;	1629	my ($self) = @_;
1523		1630
1524	$self->reset_at <= $cf::RUNTIME	1631	$self->reset_at <= $cf::RUNTIME
1525	}	1632	}
1526		1633
1527	sub unlink_save {
1528	my ($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	$self->save;
1546	}
1547
1548	sub reset {	1634	sub reset {
1549	my ($self) = @_;	1635	my ($self) = @_;
1550		1636
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1637	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1638
1553	return if $self->players;	1639	return if $self->players;
1554	return if $self->{path}{user_rel};#d#	1640	return if $self->isa ("ext::map_per_player");#d#
1555		1641
1556	warn "resetting map ", $self->path;#d#	1642	warn "resetting map ", $self->path;#d#
1557		1643
		1644	$self->in_memory (cf::MAP_SWAPPED);
		1645
		1646	# need to save uniques path
		1647	unless ($self->{deny_save}) {
		1648	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1649
		1650	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1651	if $uniq;
		1652	}
		1653
1558	delete $cf::MAP{$self->path};	1654	delete $cf::MAP{$self->path};
		1655
		1656	$self->clear;
1559		1657
1560	$_->clear_links_to ($self) for values %cf::MAP;	1658	$_->clear_links_to ($self) for values %cf::MAP;
1561		1659
1562	$self->unlink_save;	1660	$self->unlink_save;
1563	$self->destroy;	1661	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	1664	my $nuke_counter = "aaaa";
1567		1665
1568	sub nuke {	1666	sub nuke {
1569	my ($self) = @_;	1667	my ($self) = @_;
1570		1668
		1669	delete $cf::MAP{$self->path};
		1670
		1671	$self->unlink_save;
		1672
		1673	bless $self, "cf::map";
		1674	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	1675	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	1676	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1678
		1679	$cf::MAP{$self->path} = $self;
		1680
1574	$self->reset; # polite request, might not happen	1681	$self->reset; # polite request, might not happen
1575	}	1682	}
1576		1683
1577	sub customise_for {
1578	my ($map, $ob) = @_;
1579
1580	if ($map->per_player) {
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1582	}
1583
1584	$map
1585	}
1586
1587	=item cf::map::unique_maps	1684	=item cf::map::unique_maps
1588		1685
1589	Returns an arrayref of cf::path's of all shared maps that have	1686	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	1687	instantiated unique items. May block.
1591		1688
1592	=cut	1689	=cut
1593		1690
1594	sub unique_maps() {	1691	sub unique_maps() {
…		…
1600	for (@$files) {	1697	for (@$files) {
1601	utf8::decode $_;	1698	utf8::decode $_;
1602	next if /\.pst$/;	1699	next if /\.pst$/;
1603	next unless /^$PATH_SEP/o;	1700	next unless /^$PATH_SEP/o;
1604		1701
1605	push @paths, new cf::path $_;	1702	push @paths, cf::map::normalise $_;
1606	}	1703	}
1607		1704
1608	\@paths	1705	\@paths
1609	}	1706	}
1610		1707
…		…
1685		1782
1686	=item $player_object->enter_link	1783	=item $player_object->enter_link
1687		1784
1688	Freezes the player and moves him/her to a special map (C<{link}>).	1785	Freezes the player and moves him/her to a special map (C<{link}>).
1689		1786
1690	The player should be reaosnably safe there for short amounts of time. You	1787	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.	1788	I<MUST> call C<leave_link> as soon as possible, though.
1692		1789
		1790	Will never block.
		1791
1693	=item $player_object->leave_link ($map, $x, $y)	1792	=item $player_object->leave_link ($map, $x, $y)
1694		1793
1695	Moves the player out of the specila link map onto the given map. If the	1794	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	1795	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	1796	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	1797	fails, to the emergency map position.
1699		1798
1700	Might block.	1799	Might block.
1701		1800
1702	=cut	1801	=cut
		1802
		1803	sub link_map {
		1804	unless ($LINK_MAP) {
		1805	$LINK_MAP = cf::map::find "{link}"
		1806	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1807	$LINK_MAP->load;
		1808	}
		1809
		1810	$LINK_MAP
		1811	}
1703		1812
1704	sub cf::object::player::enter_link {	1813	sub cf::object::player::enter_link {
1705	my ($self) = @_;	1814	my ($self) = @_;
1706		1815
1707	$self->deactivate_recursive;	1816	$self->deactivate_recursive;
1708		1817
1709	return if $self->map == $LINK_MAP;	1818	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		1819
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	1821	if $self->map;
1713		1822
1714	$self->enter_map ($LINK_MAP, 20, 20);	1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	1824	}
1716		1825
1717	sub cf::object::player::leave_link {	1826	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	1827	my ($self, $map, $x, $y) = @_;
1719		1828
…		…
1741	$map->load;	1850	$map->load;
1742	$map->load_diag;	1851	$map->load_diag;
1743		1852
1744	return unless $self->contr->active;	1853	return unless $self->contr->active;
1745	$self->activate_recursive;	1854	$self->activate_recursive;
		1855
		1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	1857	$self->enter_map ($map, $x, $y);
1747	}	1858	}
1748		1859
1749	cf::player->attach (	1860	cf::player->attach (
1750	on_logout => sub {	1861	on_logout => sub {
…		…
1763	# try to abort aborted map switching on player login :)	1874	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes	1875	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {	1876	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;	1877	$pl->ob->enter_link;
1767	(async {	1878	(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,	1879	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "	1880	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",	1881	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);	1882	cf::NDI_RED);
		1883	# we need this sleep as the login has a concurrent enter_exit running
		1884	# and this sleep increases chances of the player not ending up in scorn
1774	Coro::Timer::sleep 1;	1885	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;	1886	$pl->ob->leave_link;
1776	})->prio (2);	1887	})->prio (2);
1777	}	1888	}
1778	},	1889	},
…		…
1783	=cut	1894	=cut
1784		1895
1785	sub cf::object::player::goto {	1896	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	1897	my ($self, $path, $x, $y) = @_;
1787		1898
1788	$path = new cf::path $path;
1789
1790	$self->enter_link;	1899	$self->enter_link;
1791		1900
1792	(async {	1901	(async {
		1902	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	1903	my $map = cf::map::find $path;
1794	$map = $map->customise_for ($self) if $map;	1904	$map = $map->customise_for ($self) if $map;
1795		1905	$map
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	1906	} or
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1800		1908
1801	$self->leave_link ($map, $x, $y);	1909	$self->leave_link ($map, $x, $y);
1802	})->prio (1);	1910	})->prio (1);
1803	}	1911	}
1804		1912
…		…
1808		1916
1809	sub parse_random_map_params {	1917	sub parse_random_map_params {
1810	my ($spec) = @_;	1918	my ($spec) = @_;
1811		1919
1812	my $rmp = { # defaults	1920	my $rmp = { # defaults
1813	xsize => 10,	1921	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	1922	ysize => (cf::rndm 15, 40),
		1923	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1924	#layout => string,
1815	};	1925	};
1816		1926
1817	for (split /\n/, $spec) {	1927	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	1928	my ($k, $v) = split /\s+/, $_, 2;
1819		1929
…		…
1823	$rmp	1933	$rmp
1824	}	1934	}
1825		1935
1826	sub prepare_random_map {	1936	sub prepare_random_map {
1827	my ($exit) = @_;	1937	my ($exit) = @_;
		1938
		1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		1940
1829	# all this does is basically replace the /! path by	1941	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	1942	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	1943	# that depends on the exit object
1832		1944
1833	my $rmp = parse_random_map_params $exit->msg;	1945	my $rmp = parse_random_map_params $exit->msg;
1834		1946
1835	if ($exit->map) {	1947	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	1948	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	1949	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	1950	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	1951	$rmp->{origin_y} = $exit->y;
1840	}	1952	}
1841		1953
1842	$rmp->{random_seed} ||= $exit->random_seed;	1954	$rmp->{random_seed} ||= $exit->random_seed;
1843		1955
1844	my $data = cf::to_json $rmp;	1956	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	1957	my $md5 = Digest::MD5::md5_hex $data;
		1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1846		1959
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	1961	aio_write $fh, 0, (length $data), $data, 0;
		1962	undef $fh;
		1963	aio_rename "$meta~", $meta;
1849		1964
1850	$exit->slaying ("?random/$md5");	1965	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	1966	$exit->msg (undef);
1852	}	1967	}
1853	}	1968	}
1854		1969
1855	sub cf::object::player::enter_exit {	1970	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	1971	my ($self, $exit) = @_;
1857		1972
1858	return unless $self->type == cf::PLAYER;	1973	return unless $self->type == cf::PLAYER;
		1974
		1975	if ($exit->slaying eq "/!") {
		1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1977	# the problem is that $exit might not survive long enough
		1978	# so it needs to be done right now, right here
		1979	cf::sync_job { prepare_random_map $exit };
		1980	}
		1981
		1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1983	my $hp = $exit->stats->hp;
		1984	my $sp = $exit->stats->sp;
1859		1985
1860	$self->enter_link;	1986	$self->enter_link;
1861		1987
1862	(async {	1988	(async {
1863	$self->deactivate_recursive; # just to be sure	1989	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	1990	unless (eval {
1865	prepare_random_map $exit	1991	$self->goto ($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		1992
1871	1;	1993	1;
1872	}) {	1994	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	1995	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	1996	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	1997	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	1998	cf::NDI_UNIQUE | cf::NDI_RED);
1877		1999
1878	warn "ERROR in enter_exit: $@";	2000	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2001	$self->leave_link;
1880	}	2002	}
1881	})->prio (1);	2003	})->prio (1);
…		…
1894		2016
1895	sub cf::client::send_drawinfo {	2017	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2018	my ($self, $text, $flags) = @_;
1897		2019
1898	utf8::encode $text;	2020	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2022	}
1901		2023
		2024	=item $client->ext_event ($type, %msg)
		2025
		2026	Sends an exti event to the client.
		2027
		2028	=cut
		2029
		2030	sub cf::client::ext_event($$%) {
		2031	my ($self, $type, %msg) = @_;
		2032
		2033	$msg{msgtype} = "event_$type";
		2034	$self->send_packet ("ext " . cf::to_json \%msg);
		2035	}
1902		2036
1903	=item $success = $client->query ($flags, "text", \&cb)	2037	=item $success = $client->query ($flags, "text", \&cb)
1904		2038
1905	Queues a query to the client, calling the given callback with	2039	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>,	2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1935	# get handled first	2069	# get handled first
1936	my $queue = delete $ns->{query_queue}	2070	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2071	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2072
1939	(shift @$queue)->[1]->($msg);	2073	(shift @$queue)->[1]->($msg);
		2074	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2075
1941	push @{ $ns->{query_queue} }, @$queue;	2076	push @{ $ns->{query_queue} }, @$queue;
1942		2077
1943	if (@{ $ns->{query_queue} } == @$queue) {	2078	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2079	if (@$queue) {
…		…
2002		2137
2003	# here we export the classes and methods available to script code	2138	# here we export the classes and methods available to script code
2004		2139
2005	=pod	2140	=pod
2006		2141
2007	The following fucntions and emthods are available within a safe environment:	2142	The following functions and methods are available within a safe environment:
2008		2143
2009	cf::object contr pay_amount pay_player map	2144	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2145	cf::object::player player
2011	cf::player peaceful	2146	cf::player peaceful
2012	cf::map trigger	2147	cf::map trigger
…		…
2105	The parameter C<$family> should best start with the name of the extension	2240	The parameter C<$family> should best start with the name of the extension
2106	using it, it should be unique.	2241	using it, it should be unique.
2107		2242
2108	=over 4	2243	=over 4
2109		2244
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	2245	=item $value = cf::db_get $family => $key
2117		2246
2118	Returns a single value from the database	2247	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		2248
2125	=item cf::db_put $family => $key => $value	2249	=item cf::db_put $family => $key => $value
2126		2250
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you	2251	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		2252
2138	=cut	2253	=cut
2139		2254
2140	our $DB;	2255	our $DB;
2141		2256
2142	{	2257	sub db_init {
		2258	unless ($DB) {
		2259	$DB = BDB::db_create $DB_ENV;
		2260
		2261	cf::sync_job {
		2262	eval {
		2263	$DB->set_flags (BDB::CHKSUM);
		2264
		2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2267	cf::cleanup "db_open(db): $!" if $!;
		2268	};
		2269	cf::cleanup "db_open(db): $@" if $@;
		2270	};
		2271
2143	my $path = cf::localdir . "/database.pst";	2272	my $path = cf::localdir . "/database.pst";
		2273	if (stat $path) {
		2274	cf::sync_job {
		2275	my $pst = Storable::retrieve $path;
2144		2276
2145	sub db_load() {	2277	cf::db_put (board => data => $pst->{board});
2146	$DB = stat $path ? Storable::retrieve $path : { };	2278	cf::db_put (guildrules => data => $pst->{guildrules});
2147	}	2279	cf::db_put (rent => balance => $pst->{rent}{balance});
		2280	BDB::db_env_txn_checkpoint $DB_ENV;
2148		2281
2149	my $pid;	2282	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	}	2283	};
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	},	2284	}
2197	);	2285	}
		2286	}
		2287
		2288	sub db_get($$) {
		2289	my $key = "$_[0]/$_[1]";
		2290
		2291	cf::sync_job {
		2292	BDB::db_get $DB, undef, $key, my $data;
		2293
		2294	$! ? ()
		2295	: Compress::LZF::sthaw $data
		2296	}
		2297	}
		2298
		2299	sub db_put($$$) {
		2300	BDB::dbreq_pri 4;
		2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2198	}	2302	}
2199		2303
2200	#############################################################################	2304	#############################################################################
2201	# the server's main()	2305	# the server's init and main functions
		2306
		2307	sub load_facedata {
		2308	my $path = sprintf "%s/facedata", cf::datadir;
		2309
		2310	warn "loading facedata from $path\n";
		2311
		2312	my $facedata;
		2313	0 < aio_load $path, $facedata
		2314	or die "$path: $!";
		2315
		2316	Coro::cede;
		2317	$facedata = Storable::thaw $facedata;
		2318	Coro::cede;
		2319
		2320	$facedata->{version} == 2
		2321	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2322
		2323	{
		2324	my $faces = $facedata->{faceinfo};
		2325
		2326	while (my ($face, $info) = each %$faces) {
		2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2331	Coro::cede;
		2332	}
		2333
		2334	while (my ($face, $info) = each %$faces) {
		2335	next unless $info->{smooth};
		2336	my $idx = cf::face::find $face
		2337	or next;
		2338	if (my $smooth = cf::face::find $info->{smooth}) {
		2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2340	} else {
		2341	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2342	}
		2343	Coro::cede;
		2344	}
		2345	}
		2346
		2347	{
		2348	my $anims = $facedata->{animinfo};
		2349
		2350	while (my ($anim, $info) = each %$anims) {
		2351	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2352	Coro::cede;
		2353	}
		2354
		2355	cf::anim::invalidate_all; # d'oh
		2356	}
		2357
		2358	1
		2359	}
		2360
		2361	sub reload_resources {
		2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2363	or die "unable to load regions file\n";#d#
		2364	load_facedata
		2365	or die "unable to load facedata\n";#d#
		2366	}
		2367
		2368	sub init {
		2369	reload_resources;
		2370	}
2202		2371
2203	sub cfg_load {	2372	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2373	open my $fh, "<:utf8", cf::confdir . "/config"
2205	or return;	2374	or return;
2206		2375
…		…
2223		2392
2224	sub main {	2393	sub main {
2225	# we must not ever block the main coroutine	2394	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2395	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2397	(async {
2228	async { Event::one_event };	2398	Event::one_event;
		2399	})->prio (Coro::PRIO_MAX);
2229	};	2400	};
2230		2401
2231	cfg_load;	2402	cfg_load;
2232	db_load;	2403	db_init;
2233	load_extensions;	2404	load_extensions;
		2405
		2406	$TICK_WATCHER->start;
2234	Event::loop;	2407	Event::loop;
2235	}	2408	}
2236		2409
2237	#############################################################################	2410	#############################################################################
2238	# initialisation and cleanup	2411	# initialisation and cleanup
2239		2412
2240	# install some emergency cleanup handlers	2413	# install some emergency cleanup handlers
2241	BEGIN {	2414	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2415	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2416	Event->signal (
		2417	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2418	data => WF_AUTOCANCEL,
2245	signal => $signal,	2419	signal => $signal,
		2420	prio => 0,
2246	cb => sub {	2421	cb => sub {
2247	cf::cleanup "SIG$signal";	2422	cf::cleanup "SIG$signal";
2248	},	2423	},
2249	);	2424	);
2250	}	2425	}
2251	}	2426	}
…		…
2256	warn "enter emergency perl save\n";	2431	warn "enter emergency perl save\n";
2257		2432
2258	cf::sync_job {	2433	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2434	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2435	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2436	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2437	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2438	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2439	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2440	$pl->valid or next;
2266	$pl->save;	2441	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2447	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2448	$map->valid or next;
2274	$map->save;	2449	$map->save;
2275	}	2450	}
2276	warn "end emergency map save\n";	2451	warn "end emergency map save\n";
		2452
		2453	warn "begin emergency database checkpoint\n";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455	warn "end emergency database checkpoint\n";
2277	};	2456	};
2278		2457
2279	warn "leave emergency perl save\n";	2458	warn "leave emergency perl save\n";
		2459	}
		2460
		2461	sub post_cleanup {
		2462	my ($make_core) = @_;
		2463
		2464	warn Carp::longmess "post_cleanup backtrace"
		2465	if $make_core;
2280	}	2466	}
2281		2467
2282	sub reload() {	2468	sub reload() {
2283	# can/must only be called in main	2469	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2470	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2471	warn "can only reload from main coroutine";
2286	return;	2472	return;
2287	}	2473	}
2288		2474
2289	warn "reloading...";	2475	warn "reloading...";
2290		2476
2291	warn "freezing server";	2477	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2478
		2479	cf::sync_job {
		2480	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2481	cf::emergency_save;
		2482	cf::write_runtime; # external watchdog should not bark
2294		2483
2295	warn "sync database to disk";	2484	warn "syncing database to disk";
2296	cf::db_sync;	2485	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2486
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2487	# if anything goes wrong in here, we should simply crash as we already saved
2301		2488
2302	warn "cancel all watchers";	2489	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2490	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2492	}
2306		2493
		2494	warn "flushing outstanding aio requests";
		2495	for (;;) {
		2496	BDB::flush;
		2497	IO::AIO::flush;
		2498	Coro::cede;
		2499	last unless IO::AIO::nreqs || BDB::nreqs;
		2500	warn "iterate...";
		2501	}
		2502
		2503	++$RELOAD;
		2504
2307	warn "cancel all extension coros";	2505	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2506	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2507	%EXT_CORO = ();
2310		2508
2311	warn "remove commands";	2509	warn "removing commands";
2312	%COMMAND = ();	2510	%COMMAND = ();
2313		2511
2314	warn "remove ext commands";	2512	warn "removing ext commands";
2315	%EXTCMD = ();	2513	%EXTCMD = ();
2316		2514
2317	warn "unload/nuke all extensions";	2515	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2516	for my $pkg (@EXTS) {
2319	warn "... unloading $pkg";	2517	warn "... unloading $pkg";
2320		2518
2321	if (my $cb = $pkg->can ("unload")) {	2519	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2520	eval {
…		…
2327		2525
2328	warn "... nuking $pkg";	2526	warn "... nuking $pkg";
2329	Symbol::delete_package $pkg;	2527	Symbol::delete_package $pkg;
2330	}	2528	}
2331		2529
2332	warn "unload all perl modules loaded from $LIBDIR";	2530	warn "unloading all perl modules loaded from $LIBDIR";
2333	while (my ($k, $v) = each %INC) {	2531	while (my ($k, $v) = each %INC) {
2334	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2335		2533
2336	warn "removing <$k>";	2534	warn "... unloading $k";
2337	delete $INC{$k};	2535	delete $INC{$k};
2338		2536
2339	$k =~ s/\.pm$//;	2537	$k =~ s/\.pm$//;
2340	$k =~ s/\//::/g;	2538	$k =~ s/\//::/g;
2341		2539
…		…
2344	}	2542	}
2345		2543
2346	Symbol::delete_package $k;	2544	Symbol::delete_package $k;
2347	}	2545	}
2348		2546
2349	warn "get rid of safe::, as good as possible";	2547	warn "getting rid of safe::, as good as possible";
2350	Symbol::delete_package "safe::$_"	2548	Symbol::delete_package "safe::$_"
2351	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2352		2550
2353	warn "unload cf.pm \"a bit\"";	2551	warn "unloading cf.pm \"a bit\"";
2354	delete $INC{"cf.pm"};	2552	delete $INC{"cf.pm"};
2355		2553
2356	# don't, removes xs symbols, too,	2554	# don't, removes xs symbols, too,
2357	# and global variables created in xs	2555	# and global variables created in xs
2358	#Symbol::delete_package __PACKAGE__;	2556	#Symbol::delete_package __PACKAGE__;
2359		2557
		2558	warn "unload completed, starting to reload now";
		2559
2360	warn "reloading cf.pm";	2560	warn "reloading cf.pm";
2361	require cf;	2561	require cf;
2362	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2363		2563
2364	warn "load config and database again";	2564	warn "loading config and database again";
2365	cf::cfg_load;	2565	cf::cfg_load;
2366	cf::db_load;
2367		2566
2368	warn "load extensions";	2567	warn "loading extensions";
2369	cf::load_extensions;	2568	cf::load_extensions;
2370		2569
2371	warn "reattach attachments to objects/players";	2570	warn "reattaching attachments to objects/players";
2372	_global_reattach;	2571	_global_reattach; # objects, sockets
2373	warn "reattach attachments to maps";	2572	warn "reattaching attachments to maps";
2374	reattach $_ for values %MAP;	2573	reattach $_ for values %MAP;
2375	};	2574	warn "reattaching attachments to players";
		2575	reattach $_ for values %PLAYER;
2376		2576
2377	if ($@) {	2577	warn "loading reloadable resources";
		2578	reload_resources;
		2579
		2580	warn "leaving sync_job";
		2581
		2582	1
		2583	} or do {
2378	warn $@;	2584	warn $@;
2379	warn "error while reloading, exiting.";	2585	warn "error while reloading, exiting.";
2380	exit 1;	2586	exit 1;
2381	}	2587	};
2382		2588
2383	warn "reloaded";	2589	warn "reloaded";
2384	};	2590	};
2385		2591
2386	#############################################################################	2592	our $RELOAD_WATCHER; # used only during reload
2387
2388	unless ($LINK_MAP) {
2389	$LINK_MAP = cf::map::new;
2390
2391	$LINK_MAP->width (41);
2392	$LINK_MAP->height (41);
2393	$LINK_MAP->alloc;
2394	$LINK_MAP->path ("{link}");
2395	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2396	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2397
2398	# dirty hack because... archetypes are not yet loaded
2399	Event->timer (
2400	after => 10,
2401	cb => sub {
2402	$_[0]->w->cancel;
2403
2404	# provide some exits "home"
2405	my $exit = cf::object::new "exit";
2406
2407	$exit->slaying ($EMERGENCY_POSITION->[0]);
2408	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2409	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2410
2411	$LINK_MAP->insert ($exit->clone, 19, 19);
2412	$LINK_MAP->insert ($exit->clone, 19, 20);
2413	$LINK_MAP->insert ($exit->clone, 19, 21);
2414	$LINK_MAP->insert ($exit->clone, 20, 19);
2415	$LINK_MAP->insert ($exit->clone, 20, 21);
2416	$LINK_MAP->insert ($exit->clone, 21, 19);
2417	$LINK_MAP->insert ($exit->clone, 21, 20);
2418	$LINK_MAP->insert ($exit->clone, 21, 21);
2419
2420	$exit->destroy;
2421	});
2422
2423	$LINK_MAP->{deny_save} = 1;
2424	$LINK_MAP->{deny_reset} = 1;
2425
2426	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2427	}
2428		2593
2429	register_command "reload" => sub {	2594	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	2595	my ($who, $arg) = @_;
2431		2596
2432	if ($who->flag (FLAG_WIZ)) {	2597	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("start of reload.");	2598	$who->message ("reloading server.");
		2599
		2600	# doing reload synchronously and two reloads happen back-to-back,
		2601	# coro crashes during coro_state_free->destroy here.
		2602
		2603	$RELOAD_WATCHER ||= Event->timer (
		2604	reentrant => 0,
		2605	after => 0,
		2606	data => WF_AUTOCANCEL,
		2607	cb => sub {
2434	reload;	2608	reload;
2435	$who->message ("end of reload.");	2609	undef $RELOAD_WATCHER;
		2610	},
		2611	);
2436	}	2612	}
2437	};	2613	};
2438		2614
2439	unshift @INC, $LIBDIR;	2615	unshift @INC, $LIBDIR;
		2616
		2617	my $bug_warning = 0;
2440		2618
2441	$TICK_WATCHER = Event->timer (	2619	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	2620	reentrant => 0,
		2621	parked => 1,
2443	prio => 0,	2622	prio => 0,
2444	at => $NEXT_TICK || $TICK,	2623	at => $NEXT_TICK || $TICK,
2445	data => WF_AUTOCANCEL,	2624	data => WF_AUTOCANCEL,
2446	cb => sub {	2625	cb => sub {
		2626	if ($Coro::current != $Coro::main) {
		2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2628	unless ++$bug_warning > 10;
		2629	return;
		2630	}
		2631
		2632	$NOW = Event::time;
		2633
2447	cf::server_tick; # one server iteration	2634	cf::server_tick; # one server iteration
2448	$RUNTIME += $TICK;	2635	$RUNTIME += $TICK;
2449	$NEXT_TICK += $TICK;	2636	$NEXT_TICK += $TICK;
2450		2637
		2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2639	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2640	Coro::async_pool {
		2641	write_runtime
		2642	or warn "ERROR: unable to write runtime file: $!";
		2643	};
		2644	}
		2645
2451	$WAIT_FOR_TICK->broadcast;	2646	$WAIT_FOR_TICK->broadcast;
2452	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2648
		2649	# my $AFTER = Event::time;
		2650	# warn $AFTER - $NOW;#d#
2453		2651
2454	# if we are delayed by four ticks or more, skip them all	2652	# if we are delayed by four ticks or more, skip them all
2455	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2456		2654
2457	$TICK_WATCHER->at ($NEXT_TICK);	2655	$TICK_WATCHER->at ($NEXT_TICK);
2458	$TICK_WATCHER->start;	2656	$TICK_WATCHER->start;
2459	},	2657	},
2460	);	2658	);
2461		2659
		2660	{
2462	IO::AIO::max_poll_time $TICK * 0.2;	2661	BDB::max_poll_time $TICK * 0.1;
2463		2662	$BDB_POLL_WATCHER = Event->io (
2464	Event->io (	2663	reentrant => 0,
2465	fd => IO::AIO::poll_fileno,	2664	fd => BDB::poll_fileno,
2466	poll => 'r',	2665	poll => 'r',
2467	prio => 5,	2666	prio => 0,
2468	data => WF_AUTOCANCEL,
2469	cb => \&IO::AIO::poll_cb,
2470	);
2471
2472	Event->timer (
2473	data => WF_AUTOCANCEL,	2667	data => WF_AUTOCANCEL,
2474	after => 0,	2668	cb => \&BDB::poll_cb,
2475	interval => 10,	2669	);
2476	cb => sub {	2670	BDB::min_parallel 8;
2477	(Coro::unblock_sub {	2671
2478	write_runtime	2672	BDB::set_sync_prepare {
2479	or warn "ERROR: unable to write runtime file: $!";	2673	my $status;
		2674	my $current = $Coro::current;
		2675	(
		2676	sub {
		2677	$status = $!;
		2678	$current->ready; undef $current;
		2679	},
		2680	sub {
		2681	Coro::schedule while defined $current;
		2682	$! = $status;
		2683	},
		2684	)
		2685	};
		2686
		2687	unless ($DB_ENV) {
		2688	$DB_ENV = BDB::db_env_create;
		2689
		2690	cf::sync_job {
		2691	eval {
		2692	BDB::db_env_open
		2693	$DB_ENV,
		2694	$BDB_ENV_DIR,
		2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2697	0666;
		2698
		2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2700
		2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2702	$DB_ENV->set_lk_detect;
		2703	};
		2704
		2705	cf::cleanup "db_env_open(db): $@" if $@;
2480	})->();	2706	};
2481	},	2707	}
2482	);	2708	}
		2709
		2710	{
		2711	IO::AIO::min_parallel 8;
		2712
		2713	undef $Coro::AIO::WATCHER;
		2714	IO::AIO::max_poll_time $TICK * 0.1;
		2715	$AIO_POLL_WATCHER = Event->io (
		2716	reentrant => 0,
		2717	data => WF_AUTOCANCEL,
		2718	fd => IO::AIO::poll_fileno,
		2719	poll => 'r',
		2720	prio => 6,
		2721	cb => \&IO::AIO::poll_cb,
		2722	);
		2723	}
2483		2724
2484	END { cf::emergency_save }	2725	END { cf::emergency_save }
2485		2726
2486	1	2727	1
2487		2728

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