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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.234 by root, Thu Apr 5 13:44:31 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
42	our %EXT_MAP = (); # pluggable maps	51	our %EXT_MAP = (); # pluggable maps
43		52
		53	our $RELOAD; # number of reloads so far
44	our @EVENT;	54	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
46		56
47	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
48	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	61	our $NEXT_TICK;
50	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;
51		67
52	our %CFG;	68	our %CFG;
53		69
54	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	71	our $RUNTIME;
56		72
57	our %PLAYER; # all users	73	our %PLAYER; # all users
58	our %MAP; # all maps	74	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
		77	our $BDB_ENV_DIR = cf::localdir . "/db";
61		78
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	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
64		84
65	binmode STDOUT;	85	binmode STDOUT;
66	binmode STDERR;	86	binmode STDERR;
67		87
68	# read virtual server time, if available	88	# read virtual server time, if available
…		…
75	mkdir cf::localdir;	95	mkdir cf::localdir;
76	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
80		101
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
84		105
85	#############################################################################	106	#############################################################################
86		107
87	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
88		109
…		…
187	$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;
188	$d	209	$d
189	} || "[unable to dump $_[0]: '$@']";	210	} || "[unable to dump $_[0]: '$@']";
190	}	211	}
191		212
192	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
193		214
194	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
195		216
196	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
197		218
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
206		220
207	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
208
209	=cut
210
211	sub to_json($) {
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
213	JSON::Syck::Dump $_[0]
214	}
215		222
216	=item cf::lock_wait $string	223	=item cf::lock_wait $string
217		224
218	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
219		226
…		…
256	}	263	}
257		264
258	sub freeze_mainloop {	265	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
260		267
261	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
262	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
263	$guard	272	$guard
264	}	273	}
265		274
266	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
337		346
338	$coro	347	$coro
339	}	348	}
340		349
341	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
342	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
343		354
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345	or return;	356	or return;
346		357
		358	my $value = $cf::RUNTIME + 90 + 10;
347	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
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;	363	and return;
350		364
		365	# always fsync - this file is important
351	aio_fsync $fh	366	aio_fsync $fh
352	and return;	367	and return;
353		368
354	close $fh	369	close $fh
355	or return;	370	or return;
…		…
358	and return;	373	and return;
359		374
360	1	375	1
361	}	376	}
362		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
363	=back	389	=back
364		390
365	=cut	391	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521		392
522	#############################################################################	393	#############################################################################
523		394
524	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
525		396
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	523	our @CB_MAP = ();
653		524
654	my %attachment;	525	my %attachment;
655		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
656	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
658		535
659	use sort 'stable';	536	use sort 'stable';
660		537
…		…
831	# object support	708	# object support
832		709
833	sub reattach {	710	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		715
837	my $registry = $obj->registry;	716	my $registry = $obj->registry;
838		717
839	@$registry = ();	718	@$registry = ();
840		719
…		…
887	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
888		767
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	772	close $fh;
894		773
895	if (@$objs) {	774	if (@$objs) {
896	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) {
897	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	780	close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
903	}	782	}
904	} else {	783	} else {
905	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
1027	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
1030	. "\n};\n1";	909	. "\n};\n1";
1031		910
1032	eval $source	911	unless (eval $source) {
1033	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1034	: "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	}
1035		921
1036	push @EXTS, $pkg;	922	push @EXTS, $pkg;
1037	}	923	}
1038		924
1039	sub load_extensions {	925	sub load_extensions {
…		…
1045	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1046	}	932	}
1047	}	933	}
1048		934
1049	#############################################################################	935	#############################################################################
1050	# load/save/clean perl data associated with a map
1051
1052	*cf::mapsupport::on_clean = sub {
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		936
1065	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1066		938
1067	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1068		940
…		…
1091	}	963	}
1092		964
1093	sub path($) {	965	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		967
1096	(playerdir $login) . "/$login.pl"	968	(playerdir $login) . "/playerdata"
1097	}	969	}
1098		970
1099	sub find_active($) {	971	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	972	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	973	and $cf::PLAYER{$_[0]}->active
…		…
1104		976
1105	sub exists($) {	977	sub exists($) {
1106	my ($login) = @_;	978	my ($login) = @_;
1107		979
1108	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1110	}	982	}
1111		983
1112	sub find($) {	984	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	986	my $login = $_[0];
1115		987
1116	my $guard = cf::lock_acquire "user_find:$login";	988	my $guard = cf::lock_acquire "user_find:$login";
1117		989
1118	$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
1119	my $pl = load_pl path $login	998	my $pl = load_pl path $login
1120	or return;	999	or return;
1121	$cf::PLAYER{$login} = $pl	1000	$cf::PLAYER{$login} = $pl
1122	}	1001	}
1123	}	1002	}
…		…
1160		1039
1161	=cut	1040	=cut
1162		1041
1163	sub quit_character {	1042	sub quit_character {
1164	my ($pl) = @_;	1043	my ($pl) = @_;
		1044
		1045	my $name = $pl->ob->name;
1165		1046
1166	$pl->{deny_save} = 1;	1047	$pl->{deny_save} = 1;
1167	$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
1168		1049
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1174	my $path = playerdir $pl;	1055	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1056	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1057	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1058	delete $cf::PLAYER{$pl->ob->name};
1178	$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
1179	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;
1180	}	1081	}
1181		1082
1182	=item cf::player::list_logins	1083	=item cf::player::list_logins
1183		1084
1184	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
…		…
1204	\@logins	1105	\@logins
1205	}	1106	}
1206		1107
1207	=item $player->maps	1108	=item $player->maps
1208		1109
1209	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
1210	player. May block.	1111	player. May block.
1211		1112
1212	=cut	1113	=cut
1213		1114
1214	sub maps($) {	1115	sub maps($) {
1215	my ($pl) = @_;	1116	my ($pl) = @_;
		1117
		1118	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1119
1217	my $files = aio_readdir playerdir $pl	1120	my $files = aio_readdir playerdir $pl
1218	or return;	1121	or return;
1219		1122
1220	my @paths;	1123	my @paths;
…		…
1222	for (@$files) {	1125	for (@$files) {
1223	utf8::decode $_;	1126	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1127	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1128	next unless /^$PATH_SEP/o;
1226		1129
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1130	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1131	}
1229		1132
1230	\@paths	1133	\@paths
1231	}	1134	}
1232		1135
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1136	=item $player->ext_reply ($msgid, %msg)
1234		1137
1235	Sends an ext reply to the player.	1138	Sends an ext reply to the player.
1236		1139
1237	=cut	1140	=cut
1238		1141
1239	sub ext_reply($$$%) {	1142	sub ext_reply($$%) {
1240	my ($self, $id, %msg) = @_;	1143	my ($self, $id, %msg) = @_;
1241		1144
1242	$msg{msgid} = $id;	1145	$msg{msgid} = $id;
1243		1146
1244	$self->send ("ext " . cf::to_json \%msg);	1147	$self->send ("ext " . cf::to_json \%msg);
		1148	}
		1149
		1150	=item $player->ext_event ($type, %msg)
		1151
		1152	Sends an ext event to the client.
		1153
		1154	=cut
		1155
		1156	sub ext_event($$%) {
		1157	my ($self, $type, %msg) = @_;
		1158
		1159	$self->ns->ext_event ($type, %msg);
1245	}	1160	}
1246		1161
1247	package cf;	1162	package cf;
1248		1163
1249	=back	1164	=back
…		…
1258	package cf::map;	1173	package cf::map;
1259		1174
1260	use Fcntl;	1175	use Fcntl;
1261	use Coro::AIO;	1176	use Coro::AIO;
1262		1177
		1178	use overload
		1179	'""' => \&as_string,
		1180	fallback => 1;
		1181
1263	our $MAX_RESET = 3600;	1182	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1183	our $DEFAULT_RESET = 3000;
1265		1184
1266	sub generate_random_map {	1185	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1186	my ($self, $rmp) = @_;
1268
1269	# mit "rum" bekleckern, nicht	1187	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1188	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1192	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1193	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1194	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1195	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1196	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$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},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1198	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(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
1283	}	1330	}
1284		1331
1285	# and all this just because we cannot iterate over	1332	# and all this just because we cannot iterate over
1286	# all maps in C++...	1333	# all maps in C++...
1287	sub change_all_map_light {	1334	sub change_all_map_light {
…		…
1289		1336
1290	$_->change_map_light ($change)	1337	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1338	for grep $_->outdoor, values %cf::MAP;
1292	}	1339	}
1293		1340
		1341	sub unlink_save {
		1342	my ($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
1294	sub load_map_header($) {	1349	sub load_header_from($) {
1295	my ($path) = @_;	1350	my ($self, $path) = @_;
1296		1351
1297	utf8::encode $path;	1352	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1353	#aio_open $path, O_RDONLY, 0
		1354	# or return;
		1355
		1356	$self->_load_header ($path)
1299	or return;	1357	or return;
1300		1358
1301	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
1302	or return;	1402	or return;
		1403	$self->prepare_orig;
		1404	}
1303		1405
1304	# for better error messages only, will be overwritten later	1406	1
1305	$map->path ($path);
1306
1307	$map->load_header ($path)
1308	or return;
1309
1310	$map->{load_path} = $path;
1311
1312	$map
1313	}	1407	}
1314		1408
1315	sub find;	1409	sub find;
1316	sub find {	1410	sub find {
1317	my ($path, $origin) = @_;	1411	my ($path, $origin) = @_;
1318		1412
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1413	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1414
1324	cf::lock_wait "map_find:$key";	1415	cf::lock_wait "map_find:$path";
1325		1416
1326	$cf::MAP{$key} || do {	1417	$cf::MAP{$path} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1418	my $guard = cf::lock_acquire "map_find:$path";
1328		1419	my $map = new_from_path cf::map $path
1329	# do it the slow way
1330	my $map = $path->load_temp;
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1420	or return;
1343		1421
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1422	$map->{last_save} = $cf::RUNTIME;
1356		1423
1357	Coro::cede;	1424	$map->load_header
		1425	or return;
1358		1426
1359	if ($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;
1360	$map->reset;	1430	$map->reset;
1361	undef $guard;	1431	undef $guard;
1362	$map = find $path	1432	return find $path;
1363	or return;
1364	}	1433	}
1365		1434
1366	$cf::MAP{$key} = $map	1435	$cf::MAP{$path} = $map
1367	}	1436	}
1368	}	1437	}
		1438
		1439	sub pre_load { }
		1440	sub post_load { }
1369		1441
1370	sub load {	1442	sub load {
1371	my ($self) = @_;	1443	my ($self) = @_;
1372		1444
		1445	local $self->{deny_reset} = 1; # loading can take a long time
		1446
1373	my $path = $self->{path};	1447	my $path = $self->{path};
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1448	my $guard = cf::lock_acquire "map_load:$path";
1375		1449
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1450	return if $self->in_memory != cf::MAP_SWAPPED;
1377		1451
1378	$self->in_memory (cf::MAP_LOADING);	1452	$self->in_memory (cf::MAP_LOADING);
1379		1453
1380	$self->alloc;	1454	$self->alloc;
		1455
		1456	$self->pre_load;
		1457
1381	$self->load_objects ($self->{load_path}, 1)	1458	$self->_load_objects ($self->{load_path}, 1)
1382	or return;	1459	or return;
1383		1460
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385	if delete $self->{load_original};	1462	if delete $self->{load_original};
1386		1463
1387	if (my $uniq = $path->uniq_path) {	1464	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	1465	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	1466	if (aio_open $uniq, O_RDONLY, 0) {
1390	$self->clear_unique_items;	1467	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	1468	$self->_load_objects ($uniq, 0);
1392	}	1469	}
1393	}	1470	}
1394		1471
1395	Coro::cede;	1472	Coro::cede;
1396		1473
1397	# now do the right thing for maps	1474	# now do the right thing for maps
1398	$self->link_multipart_objects;	1475	$self->link_multipart_objects;
1399		1476
1400	if ($self->{path}->is_style_map) {	1477	unless ($self->{deny_activate}) {
1401	$self->{deny_save} = 1;	1478	$self->decay_objects;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;	1479	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;	1480	$self->update_buttons;
		1481	Coro::cede;
1407	$self->set_darkness_map;	1482	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	1483	$self->difficulty ($self->estimate_difficulty)
1409	unless $self->difficulty;	1484	unless $self->difficulty;
		1485	Coro::cede;
1410	$self->activate;	1486	$self->activate;
1411	}	1487	}
1412		1488
1413	Coro::cede;	1489	$self->post_load;
1414		1490
1415	$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	$self
1416	}	1501	}
1417		1502
1418	# find and load all maps in the 3x3 area around a map	1503	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	1504	sub load_diag {
1420	my ($map) = @_;	1505	my ($map) = @_;
…		…
1450		1535
1451	cf::sync_job { $map->load };	1536	cf::sync_job { $map->load };
1452	}	1537	}
1453		1538
1454	our %MAP_PREFETCH;	1539	our %MAP_PREFETCH;
1455	our $MAP_PREFETCHER = Coro::async {	1540	our $MAP_PREFETCHER = undef;
1456	while () {
1457	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH
1459	or next;
1460	my $path = delete $MAP_PREFETCH{$key};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}
1466	Coro::schedule;
1467	}
1468	};
1469		1541
1470	sub find_async {	1542	sub find_async {
1471	my ($path, $origin) = @_;	1543	my ($path, $origin) = @_;
1472		1544
1473	$path = new cf::path $path, $origin && $origin->path;	1545	$path = normalise $path, $origin && $origin->{path};
1474	my $key = $path->as_string;
1475		1546
1476	if (my $map = $cf::MAP{$key}) {	1547	if (my $map = $cf::MAP{$path}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}	1549	}
1479		1550
1480	$MAP_PREFETCH{$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	};
1481	$MAP_PREFETCHER->ready;	1564	$MAP_PREFETCHER->prio (6);
1482		1565
1483	()	1566	()
1484	}	1567	}
1485		1568
1486	sub save {	1569	sub save {
…		…
1490		1573
1491	$self->{last_save} = $cf::RUNTIME;	1574	$self->{last_save} = $cf::RUNTIME;
1492		1575
1493	return unless $self->dirty;	1576	return unless $self->dirty;
1494		1577
1495	my $save = $self->{path}->save_path; utf8::encode $save;	1578	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1579	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		1580
1498	$self->{load_path} = $save;	1581	$self->{load_path} = $save;
1499		1582
1500	return if $self->{deny_save};	1583	return if $self->{deny_save};
1501		1584
…		…
1504	cf::async {	1587	cf::async {
1505	$_->contr->save for $self->players;	1588	$_->contr->save for $self->players;
1506	};	1589	};
1507		1590
1508	if ($uniq) {	1591	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	1594	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1595	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	1596	}
1514	}	1597	}
1515		1598
1516	sub swap_out {	1599	sub swap_out {
1517	my ($self) = @_;	1600	my ($self) = @_;
…		…
1531		1614
1532	sub reset_at {	1615	sub reset_at {
1533	my ($self) = @_;	1616	my ($self) = @_;
1534		1617
1535	# TODO: safety, remove and allow resettable per-player maps	1618	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};	1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	1620	return 1e99 if $self->{deny_reset};
1538		1621
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		1624
…		…
1546	my ($self) = @_;	1629	my ($self) = @_;
1547		1630
1548	$self->reset_at <= $cf::RUNTIME	1631	$self->reset_at <= $cf::RUNTIME
1549	}	1632	}
1550		1633
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	1634	sub reset {
1573	my ($self) = @_;	1635	my ($self) = @_;
1574		1636
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	1637	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		1638
1577	return if $self->players;	1639	return if $self->players;
1578	return if $self->{path}{user_rel};#d#	1640	return if $self->isa ("ext::map_per_player");#d#
1579		1641
1580	warn "resetting map ", $self->path;#d#	1642	warn "resetting map ", $self->path;#d#
1581		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
1582	delete $cf::MAP{$self->path};	1654	delete $cf::MAP{$self->path};
		1655
		1656	$self->clear;
1583		1657
1584	$_->clear_links_to ($self) for values %cf::MAP;	1658	$_->clear_links_to ($self) for values %cf::MAP;
1585		1659
1586	$self->unlink_save;	1660	$self->unlink_save;
1587	$self->destroy;	1661	$self->destroy;
…		…
1590	my $nuke_counter = "aaaa";	1664	my $nuke_counter = "aaaa";
1591		1665
1592	sub nuke {	1666	sub nuke {
1593	my ($self) = @_;	1667	my ($self) = @_;
1594		1668
		1669	delete $cf::MAP{$self->path};
		1670
		1671	$self->unlink_save;
		1672
		1673	bless $self, "cf::map";
		1674	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	1675	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	1676	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1678
		1679	$cf::MAP{$self->path} = $self;
		1680
1598	$self->reset; # polite request, might not happen	1681	$self->reset; # polite request, might not happen
1599	}	1682	}
1600		1683
1601	sub customise_for {
1602	my ($map, $ob) = @_;
1603
1604	if ($map->per_player) {
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1606	}
1607
1608	$map
1609	}
1610
1611	=item cf::map::unique_maps	1684	=item cf::map::unique_maps
1612		1685
1613	Returns an arrayref of cf::path's of all shared maps that have	1686	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	1687	instantiated unique items. May block.
1615		1688
1616	=cut	1689	=cut
1617		1690
1618	sub unique_maps() {	1691	sub unique_maps() {
…		…
1624	for (@$files) {	1697	for (@$files) {
1625	utf8::decode $_;	1698	utf8::decode $_;
1626	next if /\.pst$/;	1699	next if /\.pst$/;
1627	next unless /^$PATH_SEP/o;	1700	next unless /^$PATH_SEP/o;
1628		1701
1629	push @paths, new cf::path $_;	1702	push @paths, cf::map::normalise $_;
1630	}	1703	}
1631		1704
1632	\@paths	1705	\@paths
1633	}	1706	}
1634		1707
…		…
1709		1782
1710	=item $player_object->enter_link	1783	=item $player_object->enter_link
1711		1784
1712	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}>).
1713		1786
1714	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
1715	I<MUST> call C<leave_link> as soon as possible, though.	1788	I<MUST> call C<leave_link> as soon as possible, though.
1716		1789
		1790	Will never block.
		1791
1717	=item $player_object->leave_link ($map, $x, $y)	1792	=item $player_object->leave_link ($map, $x, $y)
1718		1793
1719	Moves the player out of the specila link map onto the given map. If the	1794	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	1795	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	1796	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	1797	fails, to the emergency map position.
1723		1798
1724	Might block.	1799	Might block.
1725		1800
1726	=cut	1801	=cut
		1802
		1803	sub link_map {
		1804	unless ($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	$LINK_MAP
		1811	}
1727		1812
1728	sub cf::object::player::enter_link {	1813	sub cf::object::player::enter_link {
1729	my ($self) = @_;	1814	my ($self) = @_;
1730		1815
1731	$self->deactivate_recursive;	1816	$self->deactivate_recursive;
1732		1817
1733	return if $self->map == $LINK_MAP;	1818	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		1819
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	1821	if $self->map;
1737		1822
1738	$self->enter_map ($LINK_MAP, 20, 20);	1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	1824	}
1740		1825
1741	sub cf::object::player::leave_link {	1826	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	1827	my ($self, $map, $x, $y) = @_;
1743		1828
…		…
1765	$map->load;	1850	$map->load;
1766	$map->load_diag;	1851	$map->load_diag;
1767		1852
1768	return unless $self->contr->active;	1853	return unless $self->contr->active;
1769	$self->activate_recursive;	1854	$self->activate_recursive;
		1855
		1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	1857	$self->enter_map ($map, $x, $y);
1771	}	1858	}
1772		1859
1773	cf::player->attach (	1860	cf::player->attach (
1774	on_logout => sub {	1861	on_logout => sub {
…		…
1787	# try to abort aborted map switching on player login :)	1874	# try to abort aborted map switching on player login :)
1788	# should happen only on crashes	1875	# should happen only on crashes
1789	if ($pl->ob->{_link_pos}) {	1876	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;	1877	$pl->ob->enter_link;
1791	(async {	1878	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,	1879	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "	1880	"There was an internal problem at your last logout, "
1796	. "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.",
1797	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
1798	Coro::Timer::sleep 1;	1885	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;	1886	$pl->ob->leave_link;
1800	})->prio (2);	1887	})->prio (2);
1801	}	1888	}
1802	},	1889	},
…		…
1807	=cut	1894	=cut
1808		1895
1809	sub cf::object::player::goto {	1896	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	1897	my ($self, $path, $x, $y) = @_;
1811		1898
1812	$path = new cf::path $path;
1813
1814	$self->enter_link;	1899	$self->enter_link;
1815		1900
1816	(async {	1901	(async {
		1902	my $map = eval {
1817	my $map = cf::map::find $path->as_string;	1903	my $map = cf::map::find $path;
1818	$map = $map->customise_for ($self) if $map;	1904	$map = $map->customise_for ($self) if $map;
1819		1905	$map
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	1906	} or
1821	# if $map;
1822
1823	$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);
1824		1908
1825	$self->leave_link ($map, $x, $y);	1909	$self->leave_link ($map, $x, $y);
1826	})->prio (1);	1910	})->prio (1);
1827	}	1911	}
1828		1912
…		…
1832		1916
1833	sub parse_random_map_params {	1917	sub parse_random_map_params {
1834	my ($spec) = @_;	1918	my ($spec) = @_;
1835		1919
1836	my $rmp = { # defaults	1920	my $rmp = { # defaults
1837	xsize => 10,	1921	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	1922	ysize => (cf::rndm 15, 40),
		1923	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1924	#layout => string,
1839	};	1925	};
1840		1926
1841	for (split /\n/, $spec) {	1927	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	1928	my ($k, $v) = split /\s+/, $_, 2;
1843		1929
…		…
1847	$rmp	1933	$rmp
1848	}	1934	}
1849		1935
1850	sub prepare_random_map {	1936	sub prepare_random_map {
1851	my ($exit) = @_;	1937	my ($exit) = @_;
		1938
		1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1852		1940
1853	# all this does is basically replace the /! path by	1941	# all this does is basically replace the /! path by
1854	# a new random map path (?random/...) with a seed	1942	# a new random map path (?random/...) with a seed
1855	# that depends on the exit object	1943	# that depends on the exit object
1856		1944
1857	my $rmp = parse_random_map_params $exit->msg;	1945	my $rmp = parse_random_map_params $exit->msg;
1858		1946
1859	if ($exit->map) {	1947	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	1948	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	1949	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	1950	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	1951	$rmp->{origin_y} = $exit->y;
1864	}	1952	}
1865		1953
1866	$rmp->{random_seed} ||= $exit->random_seed;	1954	$rmp->{random_seed} ||= $exit->random_seed;
1867		1955
1868	my $data = cf::to_json $rmp;	1956	my $data = cf::to_json $rmp;
1869	my $md5 = Digest::MD5::md5_hex $data;	1957	my $md5 = Digest::MD5::md5_hex $data;
		1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1870		1959
1871	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) {
1872	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;
1873		1964
1874	$exit->slaying ("?random/$md5");	1965	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	1966	$exit->msg (undef);
1876	}	1967	}
1877	}	1968	}
1878		1969
1879	sub cf::object::player::enter_exit {	1970	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	1971	my ($self, $exit) = @_;
1881		1972
1882	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;
1883		1985
1884	$self->enter_link;	1986	$self->enter_link;
1885		1987
1886	(async {	1988	(async {
1887	$self->deactivate_recursive; # just to be sure	1989	$self->deactivate_recursive; # just to be sure
1888	unless (eval {	1990	unless (eval {
1889	prepare_random_map $exit	1991	$self->goto ($slaying, $hp, $sp);
1890	if $exit->slaying eq "/!";
1891
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1894		1992
1895	1;	1993	1;
1896	}) {	1994	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	1995	$self->message ("Something went wrong deep within the crossfire server. "
1898	. "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. "
1899	. "Please report this to the dungeon master!",	1997	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	1998	cf::NDI_UNIQUE | cf::NDI_RED);
1901		1999
1902	warn "ERROR in enter_exit: $@";	2000	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2001	$self->leave_link;
1904	}	2002	}
1905	})->prio (1);	2003	})->prio (1);
…		…
1918		2016
1919	sub cf::client::send_drawinfo {	2017	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2018	my ($self, $text, $flags) = @_;
1921		2019
1922	utf8::encode $text;	2020	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2022	}
1925		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	}
1926		2036
1927	=item $success = $client->query ($flags, "text", \&cb)	2037	=item $success = $client->query ($flags, "text", \&cb)
1928		2038
1929	Queues a query to the client, calling the given callback with	2039	Queues a query to the client, calling the given callback with
1930	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>,
…		…
1959	# get handled first	2069	# get handled first
1960	my $queue = delete $ns->{query_queue}	2070	my $queue = delete $ns->{query_queue}
1961	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
1962		2072
1963	(shift @$queue)->[1]->($msg);	2073	(shift @$queue)->[1]->($msg);
		2074	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2075
1965	push @{ $ns->{query_queue} }, @$queue;	2076	push @{ $ns->{query_queue} }, @$queue;
1966		2077
1967	if (@{ $ns->{query_queue} } == @$queue) {	2078	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2079	if (@$queue) {
…		…
2026		2137
2027	# here we export the classes and methods available to script code	2138	# here we export the classes and methods available to script code
2028		2139
2029	=pod	2140	=pod
2030		2141
2031	The following fucntions and emthods are available within a safe environment:	2142	The following functions and methods are available within a safe environment:
2032		2143
2033	cf::object contr pay_amount pay_player map	2144	cf::object contr pay_amount pay_player map
2034	cf::object::player player	2145	cf::object::player player
2035	cf::player peaceful	2146	cf::player peaceful
2036	cf::map trigger	2147	cf::map trigger
…		…
2129	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
2130	using it, it should be unique.	2241	using it, it should be unique.
2131		2242
2132	=over 4	2243	=over 4
2133		2244
2134	=item $hashref = cf::db_get $family
2135
2136	Return a hashref for use by the extension C<$family>, which can be
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139
2140	=item $value = cf::db_get $family => $key	2245	=item $value = cf::db_get $family => $key
2141		2246
2142	Returns a single value from the database	2247	Returns a single value from the database.
2143
2144	=item cf::db_put $family => $hashref
2145
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148		2248
2149	=item cf::db_put $family => $key => $value	2249	=item cf::db_put $family => $key => $value
2150		2250
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you	2251	Stores the given C<$value> in the family.
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161		2252
2162	=cut	2253	=cut
2163		2254
2164	our $DB;	2255	our $DB;
2165		2256
2166	{	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
2167	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;
2168		2276
2169	sub db_load() {	2277	cf::db_put (board => data => $pst->{board});
2170	$DB = stat $path ? Storable::retrieve $path : { };	2278	cf::db_put (guildrules => data => $pst->{guildrules});
2171	}	2279	cf::db_put (rent => balance => $pst->{rent}{balance});
		2280	BDB::db_env_txn_checkpoint $DB_ENV;
2172		2281
2173	my $pid;	2282	unlink $path;
2174
2175	sub db_save() {
2176	waitpid $pid, 0 if $pid;
2177	if (0 == ($pid = fork)) {
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}	2283	};
2183	}	2284	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});	2285	}
		2286	}
2195		2287
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}
2200
2201	sub db_get($;$) {	2288	sub db_get($$) {
2202	@_ >= 2	2289	my $key = "$_[0]/$_[1]";
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206		2290
		2291	cf::sync_job {
		2292	BDB::db_get $DB, undef, $key, my $data;
		2293
		2294	$! ? ()
		2295	: Compress::LZF::sthaw $data
		2296	}
		2297	}
		2298
2207	sub db_put($$;$) {	2299	sub db_put($$$) {
2208	if (@_ >= 3) {	2300	BDB::dbreq_pri 4;
2209	$DB->{$_[0]}{$_[1]} = $_[2];	2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2302	}
		2303
		2304	#############################################################################
		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 $faces;
		2313	0 < aio_load $path, $faces
		2314	or die "$path: $!";
		2315
		2316	Coro::cede;
		2317	$faces = Storable::thaw $faces;
		2318	Coro::cede;
		2319
		2320	my $meta = delete $faces->{""};
		2321	$meta->{version} == 1
		2322	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2323
		2324	while (my ($face, $info) = each %$faces) {
		2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2329	Coro::cede;
		2330	}
		2331
		2332	while (my ($face, $info) = each %$faces) {
		2333	next unless $info->{smooth};
		2334	my $idx = cf::face::find $face
		2335	or next;
		2336	if (my $smooth = cf::face::find $info->{smooth}) {
		2337	cf::face::set_smooth $idx, $smooth;
2210	} else {	2338	} else {
2211	$DB->{$_[0]} = $_[1];	2339	warn "smooth face '$info->{smooth}' not found for face '$face'";
2212	}
2213	db_dirty;
2214	}
2215
2216	cf::global->attach (
2217	prio => 10000,
2218	on_cleanup => sub {
2219	db_sync;
2220	},	2340	}
2221	);	2341	Coro::cede;
2222	}	2342	}
2223		2343
2224	#############################################################################	2344	1
2225	# the server's main()	2345	}
		2346
		2347	sub reload_resources {
		2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2349	or die "unable to load regions file\n";#d#
		2350	load_facedata
		2351	or die "unable to load facedata\n";#d#
		2352	}
		2353
		2354	sub init {
		2355	reload_resources;
		2356	}
2226		2357
2227	sub cfg_load {	2358	sub cfg_load {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	2359	open my $fh, "<:utf8", cf::confdir . "/config"
2229	or return;	2360	or return;
2230		2361
…		…
2247		2378
2248	sub main {	2379	sub main {
2249	# we must not ever block the main coroutine	2380	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	2381	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2382	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2383	(async {
2252	async { Event::one_event };	2384	Event::one_event;
		2385	})->prio (Coro::PRIO_MAX);
2253	};	2386	};
2254		2387
2255	cfg_load;	2388	cfg_load;
2256	db_load;	2389	db_init;
2257	load_extensions;	2390	load_extensions;
		2391
		2392	$TICK_WATCHER->start;
2258	Event::loop;	2393	Event::loop;
2259	}	2394	}
2260		2395
2261	#############################################################################	2396	#############################################################################
2262	# initialisation and cleanup	2397	# initialisation and cleanup
2263		2398
2264	# install some emergency cleanup handlers	2399	# install some emergency cleanup handlers
2265	BEGIN {	2400	BEGIN {
2266	for my $signal (qw(INT HUP TERM)) {	2401	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	2402	Event->signal (
		2403	reentrant => 0,
2268	data => WF_AUTOCANCEL,	2404	data => WF_AUTOCANCEL,
2269	signal => $signal,	2405	signal => $signal,
		2406	prio => 0,
2270	cb => sub {	2407	cb => sub {
2271	cf::cleanup "SIG$signal";	2408	cf::cleanup "SIG$signal";
2272	},	2409	},
2273	);	2410	);
2274	}	2411	}
2275	}	2412	}
…		…
2280	warn "enter emergency perl save\n";	2417	warn "enter emergency perl save\n";
2281		2418
2282	cf::sync_job {	2419	cf::sync_job {
2283	# use a peculiar iteration method to avoid tripping on perl	2420	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	2421	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	2422	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	2423	warn "begin emergency player save\n";
2287	for my $login (keys %cf::PLAYER) {	2424	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	2425	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	2426	$pl->valid or next;
2290	$pl->save;	2427	$pl->save;
…		…
2296	my $map = $cf::MAP{$path} or next;	2433	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	2434	$map->valid or next;
2298	$map->save;	2435	$map->save;
2299	}	2436	}
2300	warn "end emergency map save\n";	2437	warn "end emergency map save\n";
		2438
		2439	warn "begin emergency database checkpoint\n";
		2440	BDB::db_env_txn_checkpoint $DB_ENV;
		2441	warn "end emergency database checkpoint\n";
2301	};	2442	};
2302		2443
2303	warn "leave emergency perl save\n";	2444	warn "leave emergency perl save\n";
		2445	}
		2446
		2447	sub post_cleanup {
		2448	my ($make_core) = @_;
		2449
		2450	warn Carp::longmess "post_cleanup backtrace"
		2451	if $make_core;
2304	}	2452	}
2305		2453
2306	sub reload() {	2454	sub reload() {
2307	# can/must only be called in main	2455	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	2456	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	2457	warn "can only reload from main coroutine";
2310	return;	2458	return;
2311	}	2459	}
2312		2460
2313	warn "reloading...";	2461	warn "reloading...";
2314		2462
2315	warn "freezing server";	2463	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	2464
		2465	cf::sync_job {
		2466	cf::write_runtime; # external watchdog should not bark
2317	cf::emergency_save;	2467	cf::emergency_save;
		2468	cf::write_runtime; # external watchdog should not bark
2318		2469
2319	warn "sync database to disk";	2470	warn "syncing database to disk";
2320	cf::db_sync;	2471	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		2472
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved	2473	# if anything goes wrong in here, we should simply crash as we already saved
2325		2474
2326	warn "cancel all watchers";	2475	warn "cancelling all WF_AUTOCANCEL watchers";
2327	for (Event::all_watchers) {	2476	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	2477	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}	2478	}
2330		2479
		2480	warn "flushing outstanding aio requests";
		2481	for (;;) {
		2482	BDB::flush;
		2483	IO::AIO::flush;
		2484	Coro::cede;
		2485	last unless IO::AIO::nreqs || BDB::nreqs;
		2486	warn "iterate...";
		2487	}
		2488
		2489	++$RELOAD;
		2490
2331	warn "cancel all extension coros";	2491	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	2492	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	2493	%EXT_CORO = ();
2334		2494
2335	warn "remove commands";	2495	warn "removing commands";
2336	%COMMAND = ();	2496	%COMMAND = ();
2337		2497
2338	warn "remove ext commands";	2498	warn "removing ext commands";
2339	%EXTCMD = ();	2499	%EXTCMD = ();
2340		2500
2341	warn "unload/nuke all extensions";	2501	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	2502	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	2503	warn "... unloading $pkg";
2344		2504
2345	if (my $cb = $pkg->can ("unload")) {	2505	if (my $cb = $pkg->can ("unload")) {
2346	eval {	2506	eval {
…		…
2351		2511
2352	warn "... nuking $pkg";	2512	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;	2513	Symbol::delete_package $pkg;
2354	}	2514	}
2355		2515
2356	warn "unload all perl modules loaded from $LIBDIR";	2516	warn "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	2517	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2518	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		2519
2360	warn "removing <$k>";	2520	warn "... unloading $k";
2361	delete $INC{$k};	2521	delete $INC{$k};
2362		2522
2363	$k =~ s/\.pm$//;	2523	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	2524	$k =~ s/\//::/g;
2365		2525
…		…
2368	}	2528	}
2369		2529
2370	Symbol::delete_package $k;	2530	Symbol::delete_package $k;
2371	}	2531	}
2372		2532
2373	warn "get rid of safe::, as good as possible";	2533	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	2534	Symbol::delete_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2535	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		2536
2377	warn "unload cf.pm \"a bit\"";	2537	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	2538	delete $INC{"cf.pm"};
2379		2539
2380	# don't, removes xs symbols, too,	2540	# don't, removes xs symbols, too,
2381	# and global variables created in xs	2541	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	2542	#Symbol::delete_package __PACKAGE__;
2383		2543
		2544	warn "unload completed, starting to reload now";
		2545
2384	warn "reloading cf.pm";	2546	warn "reloading cf.pm";
2385	require cf;	2547	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2548	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		2549
2388	warn "load config and database again";	2550	warn "loading config and database again";
2389	cf::cfg_load;	2551	cf::cfg_load;
2390	cf::db_load;
2391		2552
2392	warn "load extensions";	2553	warn "loading extensions";
2393	cf::load_extensions;	2554	cf::load_extensions;
2394		2555
2395	warn "reattach attachments to objects/players";	2556	warn "reattaching attachments to objects/players";
2396	_global_reattach;	2557	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	2558	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	2559	reattach $_ for values %MAP;
2399	};	2560	warn "reattaching attachments to players";
		2561	reattach $_ for values %PLAYER;
2400		2562
2401	if ($@) {	2563	warn "loading reloadable resources";
		2564	reload_resources;
		2565
		2566	warn "leaving sync_job";
		2567
		2568	1
		2569	} or do {
2402	warn $@;	2570	warn $@;
2403	warn "error while reloading, exiting.";	2571	warn "error while reloading, exiting.";
2404	exit 1;	2572	exit 1;
2405	}	2573	};
2406		2574
2407	warn "reloaded";	2575	warn "reloaded";
2408	};	2576	};
2409		2577
2410	#############################################################################	2578	our $RELOAD_WATCHER; # used only during reload
2411
2412	unless ($LINK_MAP) {
2413	$LINK_MAP = cf::map::new;
2414
2415	$LINK_MAP->width (41);
2416	$LINK_MAP->height (41);
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,
2425	cb => sub {
2426	$_[0]->w->cancel;
2427
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});
2446
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}
2452		2579
2453	register_command "reload" => sub {	2580	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	2581	my ($who, $arg) = @_;
2455		2582
2456	if ($who->flag (FLAG_WIZ)) {	2583	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");	2584	$who->message ("reloading server.");
		2585
		2586	# doing reload synchronously and two reloads happen back-to-back,
		2587	# coro crashes during coro_state_free->destroy here.
		2588
		2589	$RELOAD_WATCHER ||= Event->timer (
		2590	reentrant => 0,
		2591	after => 0,
		2592	data => WF_AUTOCANCEL,
		2593	cb => sub {
2458	reload;	2594	reload;
2459	$who->message ("end of reload.");	2595	undef $RELOAD_WATCHER;
		2596	},
		2597	);
2460	}	2598	}
2461	};	2599	};
2462		2600
2463	unshift @INC, $LIBDIR;	2601	unshift @INC, $LIBDIR;
		2602
		2603	my $bug_warning = 0;
2464		2604
2465	$TICK_WATCHER = Event->timer (	2605	$TICK_WATCHER = Event->timer (
2466	reentrant => 0,	2606	reentrant => 0,
		2607	parked => 1,
2467	prio => 0,	2608	prio => 0,
2468	at => $NEXT_TICK || $TICK,	2609	at => $NEXT_TICK || $TICK,
2469	data => WF_AUTOCANCEL,	2610	data => WF_AUTOCANCEL,
2470	cb => sub {	2611	cb => sub {
		2612	if ($Coro::current != $Coro::main) {
		2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2614	unless ++$bug_warning > 10;
		2615	return;
		2616	}
		2617
		2618	$NOW = Event::time;
		2619
2471	cf::server_tick; # one server iteration	2620	cf::server_tick; # one server iteration
2472	$RUNTIME += $TICK;	2621	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;	2622	$NEXT_TICK += $TICK;
2474		2623
		2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2625	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2626	Coro::async_pool {
		2627	write_runtime
		2628	or warn "ERROR: unable to write runtime file: $!";
		2629	};
		2630	}
		2631
2475	$WAIT_FOR_TICK->broadcast;	2632	$WAIT_FOR_TICK->broadcast;
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2634
		2635	# my $AFTER = Event::time;
		2636	# warn $AFTER - $NOW;#d#
2477		2637
2478	# if we are delayed by four ticks or more, skip them all	2638	# if we are delayed by four ticks or more, skip them all
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2480		2640
2481	$TICK_WATCHER->at ($NEXT_TICK);	2641	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;	2642	$TICK_WATCHER->start;
2483	},	2643	},
2484	);	2644	);
2485		2645
		2646	{
2486	IO::AIO::max_poll_time $TICK * 0.2;	2647	BDB::max_poll_time $TICK * 0.1;
2487		2648	$BDB_POLL_WATCHER = Event->io (
2488	Event->io (	2649	reentrant => 0,
2489	fd => IO::AIO::poll_fileno,	2650	fd => BDB::poll_fileno,
2490	poll => 'r',	2651	poll => 'r',
2491	prio => 5,	2652	prio => 0,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2498	after => 0,	2654	cb => \&BDB::poll_cb,
2499	interval => 10,	2655	);
2500	cb => sub {	2656	BDB::min_parallel 8;
2501	(Coro::unblock_sub {	2657
2502	write_runtime	2658	BDB::set_sync_prepare {
2503	or warn "ERROR: unable to write runtime file: $!";	2659	my $status;
		2660	my $current = $Coro::current;
		2661	(
		2662	sub {
		2663	$status = $!;
		2664	$current->ready; undef $current;
		2665	},
		2666	sub {
		2667	Coro::schedule while defined $current;
		2668	$! = $status;
		2669	},
		2670	)
		2671	};
		2672
		2673	unless ($DB_ENV) {
		2674	$DB_ENV = BDB::db_env_create;
		2675
		2676	cf::sync_job {
		2677	eval {
		2678	BDB::db_env_open
		2679	$DB_ENV,
		2680	$BDB_ENV_DIR,
		2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2683	0666;
		2684
		2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2686
		2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2688	$DB_ENV->set_lk_detect;
		2689	};
		2690
		2691	cf::cleanup "db_env_open(db): $@" if $@;
2504	})->();	2692	};
2505	},	2693	}
2506	);	2694	}
		2695
		2696	{
		2697	IO::AIO::min_parallel 8;
		2698
		2699	undef $Coro::AIO::WATCHER;
		2700	IO::AIO::max_poll_time $TICK * 0.1;
		2701	$AIO_POLL_WATCHER = Event->io (
		2702	reentrant => 0,
		2703	data => WF_AUTOCANCEL,
		2704	fd => IO::AIO::poll_fileno,
		2705	poll => 'r',
		2706	prio => 6,
		2707	cb => \&IO::AIO::poll_cb,
		2708	);
		2709	}
2507		2710
2508	END { cf::emergency_save }	2711	END { cf::emergency_save }
2509		2712
2510	1	2713	1
2511		2714

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