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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.235 by root, Tue Apr 10 09:35:23 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
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542		392
543	#############################################################################	393	#############################################################################
544		394
545	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
546		396
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	523	our @CB_MAP = ();
674		524
675	my %attachment;	525	my %attachment;
676		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
677	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
679		535
680	use sort 'stable';	536	use sort 'stable';
681		537
…		…
852	# object support	708	# object support
853		709
854	sub reattach {	710	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
856	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857		715
858	my $registry = $obj->registry;	716	my $registry = $obj->registry;
859		717
860	@$registry = ();	718	@$registry = ();
861		719
…		…
908	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
909		767
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
912	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
913	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
914	close $fh;	772	close $fh;
915		773
916	if (@$objs) {	774	if (@$objs) {
917	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) {
918	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
920	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
921	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
922	close $fh;	780	close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
924	}	782	}
925	} else {	783	} else {
926	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
1048	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
1051	. "\n};\n1";	909	. "\n};\n1";
1052		910
1053	eval $source	911	unless (eval $source) {
1054	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1055	: "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	}
1056		921
1057	push @EXTS, $pkg;	922	push @EXTS, $pkg;
1058	}	923	}
1059		924
1060	sub load_extensions {	925	sub load_extensions {
…		…
1066	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1067	}	932	}
1068	}	933	}
1069		934
1070	#############################################################################	935	#############################################################################
1071	# load/save/clean perl data associated with a map
1072
1073	*cf::mapsupport::on_clean = sub {
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		936
1086	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1087		938
1088	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1089		940
…		…
1112	}	963	}
1113		964
1114	sub path($) {	965	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		967
1117	(playerdir $login) . "/$login.pl"	968	(playerdir $login) . "/playerdata"
1118	}	969	}
1119		970
1120	sub find_active($) {	971	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	972	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	973	and $cf::PLAYER{$_[0]}->active
…		…
1125		976
1126	sub exists($) {	977	sub exists($) {
1127	my ($login) = @_;	978	my ($login) = @_;
1128		979
1129	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1131	}	982	}
1132		983
1133	sub find($) {	984	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	986	my $login = $_[0];
1136		987
1137	my $guard = cf::lock_acquire "user_find:$login";	988	my $guard = cf::lock_acquire "user_find:$login";
1138		989
1139	$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
1140	my $pl = load_pl path $login	998	my $pl = load_pl path $login
1141	or return;	999	or return;
1142	$cf::PLAYER{$login} = $pl	1000	$cf::PLAYER{$login} = $pl
1143	}	1001	}
1144	}	1002	}
…		…
1181		1039
1182	=cut	1040	=cut
1183		1041
1184	sub quit_character {	1042	sub quit_character {
1185	my ($pl) = @_;	1043	my ($pl) = @_;
		1044
		1045	my $name = $pl->ob->name;
1186		1046
1187	$pl->{deny_save} = 1;	1047	$pl->{deny_save} = 1;
1188	$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
1189		1049
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1195	my $path = playerdir $pl;	1055	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1056	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1057	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1058	delete $cf::PLAYER{$pl->ob->name};
1199	$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
1200	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;
1201	}	1081	}
1202		1082
1203	=item cf::player::list_logins	1083	=item cf::player::list_logins
1204		1084
1205	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
…		…
1225	\@logins	1105	\@logins
1226	}	1106	}
1227		1107
1228	=item $player->maps	1108	=item $player->maps
1229		1109
1230	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
1231	player. May block.	1111	player. May block.
1232		1112
1233	=cut	1113	=cut
1234		1114
1235	sub maps($) {	1115	sub maps($) {
1236	my ($pl) = @_;	1116	my ($pl) = @_;
		1117
		1118	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1119
1238	my $files = aio_readdir playerdir $pl	1120	my $files = aio_readdir playerdir $pl
1239	or return;	1121	or return;
1240		1122
1241	my @paths;	1123	my @paths;
…		…
1243	for (@$files) {	1125	for (@$files) {
1244	utf8::decode $_;	1126	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1127	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1128	next unless /^$PATH_SEP/o;
1247		1129
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1130	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1131	}
1250		1132
1251	\@paths	1133	\@paths
1252	}	1134	}
1253		1135
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1136	=item $player->ext_reply ($msgid, %msg)
1255		1137
1256	Sends an ext reply to the player.	1138	Sends an ext reply to the player.
1257		1139
1258	=cut	1140	=cut
1259		1141
1260	sub ext_reply($$$%) {	1142	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1143	my ($self, $id, %msg) = @_;
1262		1144
1263	$msg{msgid} = $id;	1145	$msg{msgid} = $id;
1264		1146
1265	$self->send ("ext " . cf::to_json \%msg);	1147	$self->send ("ext " . cf::to_json \%msg);
		1148	}
		1149
		1150	=item $player->ext_event ($type, %msg)
		1151
		1152	Sends an ext event to the client.
		1153
		1154	=cut
		1155
		1156	sub ext_event($$%) {
		1157	my ($self, $type, %msg) = @_;
		1158
		1159	$self->ns->ext_event ($type, %msg);
1266	}	1160	}
1267		1161
1268	package cf;	1162	package cf;
1269		1163
1270	=back	1164	=back
…		…
1279	package cf::map;	1173	package cf::map;
1280		1174
1281	use Fcntl;	1175	use Fcntl;
1282	use Coro::AIO;	1176	use Coro::AIO;
1283		1177
		1178	use overload
		1179	'""' => \&as_string,
		1180	fallback => 1;
		1181
1284	our $MAX_RESET = 3600;	1182	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1183	our $DEFAULT_RESET = 3000;
1286		1184
1287	sub generate_random_map {	1185	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1186	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1187	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1188	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1192	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1193	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1198	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1199	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1200	)
1305	}	1201	}
1306		1202
		1203	=item cf::map->register ($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, $path
		1330	}
		1331
1307	# and all this just because we cannot iterate over	1332	# and all this just because we cannot iterate over
1308	# all maps in C++...	1333	# all maps in C++...
1309	sub change_all_map_light {	1334	sub change_all_map_light {
1310	my ($change) = @_;	1335	my ($change) = @_;
1311		1336
1312	$_->change_map_light ($change)	1337	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1338	for grep $_->outdoor, values %cf::MAP;
1314	}	1339	}
1315		1340
		1341	sub unlink_save {
		1342	my ($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
1316	sub load_map_header($) {	1349	sub load_header_from($) {
1317	my ($path) = @_;	1350	my ($self, $path) = @_;
1318		1351
1319	utf8::encode $path;	1352	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1353	#aio_open $path, O_RDONLY, 0
		1354	# or return;
		1355
		1356	$self->_load_header ($path)
1321	or return;	1357	or return;
1322		1358
1323	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
1324	or return;	1402	or return;
		1403	$self->prepare_orig;
		1404	}
1325		1405
1326	# for better error messages only, will be overwritten later	1406	1
1327	$map->path ($path);
1328
1329	$map->load_header ($path)
1330	or return;
1331
1332	$map->{load_path} = $path;
1333
1334	$map
1335	}	1407	}
1336		1408
1337	sub find;	1409	sub find;
1338	sub find {	1410	sub find {
1339	my ($path, $origin) = @_;	1411	my ($path, $origin) = @_;
1340		1412
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1413	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1414
1346	cf::lock_wait "map_find:$key";	1415	cf::lock_wait "map_find:$path";
1347		1416
1348	$cf::MAP{$key} || do {	1417	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1418	my $guard = cf::lock_acquire "map_find:$path";
1350		1419	my $map = new_from_path cf::map $path
1351	# do it the slow way
1352	my $map = $path->load_temp;
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	1420	or return;
1365		1421
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	1422	$map->{last_save} = $cf::RUNTIME;
1378		1423
1379	Coro::cede;	1424	$map->load_header
		1425	or return;
1380		1426
1381	if ($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;
1382	$map->reset;	1430	$map->reset;
1383	undef $guard;	1431	undef $guard;
1384	$map = find $path	1432	return find $path;
1385	or return;
1386	}	1433	}
1387		1434
1388	$cf::MAP{$key} = $map	1435	$cf::MAP{$path} = $map
1389	}	1436	}
1390	}	1437	}
		1438
		1439	sub pre_load { }
		1440	sub post_load { }
1391		1441
1392	sub load {	1442	sub load {
1393	my ($self) = @_;	1443	my ($self) = @_;
1394		1444
		1445	local $self->{deny_reset} = 1; # loading can take a long time
		1446
1395	my $path = $self->{path};	1447	my $path = $self->{path};
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1448	my $guard = cf::lock_acquire "map_load:$path";
1397		1449
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1450	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1451
1400	$self->in_memory (cf::MAP_LOADING);	1452	$self->in_memory (cf::MAP_LOADING);
1401		1453
1402	$self->alloc;	1454	$self->alloc;
		1455
		1456	$self->pre_load;
		1457
1403	$self->load_objects ($self->{load_path}, 1)	1458	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1459	or return;
1405		1460
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1462	if delete $self->{load_original};
1408		1463
1409	if (my $uniq = $path->uniq_path) {	1464	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1465	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1466	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1467	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1468	$self->_load_objects ($uniq, 0);
1414	}	1469	}
1415	}	1470	}
1416		1471
1417	Coro::cede;	1472	Coro::cede;
1418		1473
1419	# now do the right thing for maps	1474	# now do the right thing for maps
1420	$self->link_multipart_objects;	1475	$self->link_multipart_objects;
1421		1476
1422	if ($self->{path}->is_style_map) {	1477	unless ($self->{deny_activate}) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;	1478	$self->decay_objects;
1427	$self->fix_auto_apply;	1479	$self->fix_auto_apply;
1428	$self->update_buttons;	1480	$self->update_buttons;
		1481	Coro::cede;
1429	$self->set_darkness_map;	1482	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	1483	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1484	unless $self->difficulty;
		1485	Coro::cede;
1432	$self->activate;	1486	$self->activate;
1433	}	1487	}
1434		1488
1435	Coro::cede;	1489	$self->post_load;
1436		1490
1437	$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	$self
1438	}	1501	}
1439		1502
1440	# find and load all maps in the 3x3 area around a map	1503	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1504	sub load_diag {
1442	my ($map) = @_;	1505	my ($map) = @_;
…		…
1472		1535
1473	cf::sync_job { $map->load };	1536	cf::sync_job { $map->load };
1474	}	1537	}
1475		1538
1476	our %MAP_PREFETCH;	1539	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = Coro::async {	1540	our $MAP_PREFETCHER = undef;
1478	while () {
1479	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH
1481	or next;
1482	my $path = delete $MAP_PREFETCH{$key};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}
1488	Coro::schedule;
1489	}
1490	};
1491		1541
1492	sub find_async {	1542	sub find_async {
1493	my ($path, $origin) = @_;	1543	my ($path, $origin) = @_;
1494		1544
1495	$path = new cf::path $path, $origin && $origin->path;	1545	$path = normalise $path, $origin && $origin->{path};
1496	my $key = $path->as_string;
1497		1546
1498	if (my $map = $cf::MAP{$key}) {	1547	if (my $map = $cf::MAP{$path}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}	1549	}
1501		1550
1502	$MAP_PREFETCH{$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	};
1503	$MAP_PREFETCHER->ready;	1564	$MAP_PREFETCHER->prio (6);
1504		1565
1505	()	1566	()
1506	}	1567	}
1507		1568
1508	sub save {	1569	sub save {
…		…
1512		1573
1513	$self->{last_save} = $cf::RUNTIME;	1574	$self->{last_save} = $cf::RUNTIME;
1514		1575
1515	return unless $self->dirty;	1576	return unless $self->dirty;
1516		1577
1517	my $save = $self->{path}->save_path; utf8::encode $save;	1578	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1579	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		1580
1520	$self->{load_path} = $save;	1581	$self->{load_path} = $save;
1521		1582
1522	return if $self->{deny_save};	1583	return if $self->{deny_save};
1523		1584
…		…
1526	cf::async {	1587	cf::async {
1527	$_->contr->save for $self->players;	1588	$_->contr->save for $self->players;
1528	};	1589	};
1529		1590
1530	if ($uniq) {	1591	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	1594	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1595	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	1596	}
1536	}	1597	}
1537		1598
1538	sub swap_out {	1599	sub swap_out {
1539	my ($self) = @_;	1600	my ($self) = @_;
…		…
1553		1614
1554	sub reset_at {	1615	sub reset_at {
1555	my ($self) = @_;	1616	my ($self) = @_;
1556		1617
1557	# TODO: safety, remove and allow resettable per-player maps	1618	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};	1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1559	return 1e99 if $self->{deny_reset};	1620	return 1e99 if $self->{deny_reset};
1560		1621
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		1624
…		…
1568	my ($self) = @_;	1629	my ($self) = @_;
1569		1630
1570	$self->reset_at <= $cf::RUNTIME	1631	$self->reset_at <= $cf::RUNTIME
1571	}	1632	}
1572		1633
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	1634	sub reset {
1587	my ($self) = @_;	1635	my ($self) = @_;
1588		1636
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	1637	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		1638
1591	return if $self->players;	1639	return if $self->players;
1592	return if $self->{path}{user_rel};#d#	1640	return if $self->isa ("ext::map_per_player");#d#
1593		1641
1594	warn "resetting map ", $self->path;#d#	1642	warn "resetting map ", $self->path;#d#
1595		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
1596	delete $cf::MAP{$self->path};	1654	delete $cf::MAP{$self->path};
1597		1655
		1656	$self->clear;
		1657
1598	$_->clear_links_to ($self) for values %cf::MAP;	1658	$_->clear_links_to ($self) for values %cf::MAP;
1599		1659
1600	$self->{path}->unlink_save;	1660	$self->unlink_save;
1601	$self->destroy;	1661	$self->destroy;
1602	}	1662	}
1603		1663
1604	my $nuke_counter = "aaaa";	1664	my $nuke_counter = "aaaa";
1605		1665
1606	sub nuke {	1666	sub nuke {
1607	my ($self) = @_;	1667	my ($self) = @_;
1608		1668
		1669	delete $cf::MAP{$self->path};
		1670
		1671	$self->unlink_save;
		1672
		1673	bless $self, "cf::map";
		1674	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	1675	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	1676	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1678
		1679	$cf::MAP{$self->path} = $self;
		1680
1612	$self->reset; # polite request, might not happen	1681	$self->reset; # polite request, might not happen
1613	}	1682	}
1614		1683
1615	=item cf::map::unique_maps	1684	=item cf::map::unique_maps
1616		1685
1617	Returns an arrayref of cf::path's of all shared maps that have	1686	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	1687	instantiated unique items. May block.
1619		1688
1620	=cut	1689	=cut
1621		1690
1622	sub unique_maps() {	1691	sub unique_maps() {
…		…
1628	for (@$files) {	1697	for (@$files) {
1629	utf8::decode $_;	1698	utf8::decode $_;
1630	next if /\.pst$/;	1699	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;	1700	next unless /^$PATH_SEP/o;
1632		1701
1633	push @paths, new cf::path $_;	1702	push @paths, cf::map::normalise $_;
1634	}	1703	}
1635		1704
1636	\@paths	1705	\@paths
1637	}	1706	}
1638		1707
…		…
1713		1782
1714	=item $player_object->enter_link	1783	=item $player_object->enter_link
1715		1784
1716	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}>).
1717		1786
1718	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
1719	I<MUST> call C<leave_link> as soon as possible, though.	1788	I<MUST> call C<leave_link> as soon as possible, though.
1720		1789
		1790	Will never block.
		1791
1721	=item $player_object->leave_link ($map, $x, $y)	1792	=item $player_object->leave_link ($map, $x, $y)
1722		1793
1723	Moves the player out of the specila link map onto the given map. If the	1794	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	1795	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	1796	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	1797	fails, to the emergency map position.
1727		1798
1728	Might block.	1799	Might block.
1729		1800
1730	=cut	1801	=cut
		1802
		1803	sub link_map {
		1804	unless ($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	$LINK_MAP
		1811	}
1731		1812
1732	sub cf::object::player::enter_link {	1813	sub cf::object::player::enter_link {
1733	my ($self) = @_;	1814	my ($self) = @_;
1734		1815
1735	$self->deactivate_recursive;	1816	$self->deactivate_recursive;
1736		1817
1737	return if $self->map == $LINK_MAP;	1818	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		1819
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	1821	if $self->map;
1741		1822
1742	$self->enter_map ($LINK_MAP, 20, 20);	1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	1824	}
1744		1825
1745	sub cf::object::player::leave_link {	1826	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	1827	my ($self, $map, $x, $y) = @_;
1747		1828
…		…
1769	$map->load;	1850	$map->load;
1770	$map->load_diag;	1851	$map->load_diag;
1771		1852
1772	return unless $self->contr->active;	1853	return unless $self->contr->active;
1773	$self->activate_recursive;	1854	$self->activate_recursive;
		1855
		1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	1857	$self->enter_map ($map, $x, $y);
1775	}	1858	}
1776		1859
1777	cf::player->attach (	1860	cf::player->attach (
1778	on_logout => sub {	1861	on_logout => sub {
…		…
1791	# try to abort aborted map switching on player login :)	1874	# try to abort aborted map switching on player login :)
1792	# should happen only on crashes	1875	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {	1876	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;	1877	$pl->ob->enter_link;
1795	(async {	1878	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,	1879	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "	1880	"There was an internal problem at your last logout, "
1800	. "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.",
1801	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
1802	Coro::Timer::sleep 1;	1885	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;	1886	$pl->ob->leave_link;
1804	})->prio (2);	1887	})->prio (2);
1805	}	1888	}
1806	},	1889	},
…		…
1811	=cut	1894	=cut
1812		1895
1813	sub cf::object::player::goto {	1896	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	1897	my ($self, $path, $x, $y) = @_;
1815		1898
1816	$path = new cf::path $path;
1817
1818	$self->enter_link;	1899	$self->enter_link;
1819		1900
1820	(async {	1901	(async {
		1902	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	1903	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;	1904	$map = $map->customise_for ($self) if $map;
1823		1905	$map
1824	# warn "entering ", $map->path, " at ($x, $y)\n"	1906	} or
1825	# if $map;
1826
1827	$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);
1828		1908
1829	$self->leave_link ($map, $x, $y);	1909	$self->leave_link ($map, $x, $y);
1830	})->prio (1);	1910	})->prio (1);
1831	}	1911	}
1832		1912
…		…
1836		1916
1837	sub parse_random_map_params {	1917	sub parse_random_map_params {
1838	my ($spec) = @_;	1918	my ($spec) = @_;
1839		1919
1840	my $rmp = { # defaults	1920	my $rmp = { # defaults
1841	xsize => 10,	1921	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	1922	ysize => (cf::rndm 15, 40),
		1923	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1924	#layout => string,
1843	};	1925	};
1844		1926
1845	for (split /\n/, $spec) {	1927	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	1928	my ($k, $v) = split /\s+/, $_, 2;
1847		1929
…		…
1851	$rmp	1933	$rmp
1852	}	1934	}
1853		1935
1854	sub prepare_random_map {	1936	sub prepare_random_map {
1855	my ($exit) = @_;	1937	my ($exit) = @_;
		1938
		1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		1940
1857	# all this does is basically replace the /! path by	1941	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	1942	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	1943	# that depends on the exit object
1860		1944
1861	my $rmp = parse_random_map_params $exit->msg;	1945	my $rmp = parse_random_map_params $exit->msg;
1862		1946
1863	if ($exit->map) {	1947	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	1948	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	1949	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	1950	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	1951	$rmp->{origin_y} = $exit->y;
1868	}	1952	}
1869		1953
1870	$rmp->{random_seed} ||= $exit->random_seed;	1954	$rmp->{random_seed} ||= $exit->random_seed;
1871		1955
1872	my $data = cf::to_json $rmp;	1956	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	1957	my $md5 = Digest::MD5::md5_hex $data;
		1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1874		1959
1875	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) {
1876	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;
1877		1964
1878	$exit->slaying ("?random/$md5");	1965	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	1966	$exit->msg (undef);
1880	}	1967	}
1881	}	1968	}
1882		1969
1883	sub cf::object::player::enter_exit {	1970	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	1971	my ($self, $exit) = @_;
1885		1972
1886	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;
1887		1985
1888	$self->enter_link;	1986	$self->enter_link;
1889		1987
1890	(async {	1988	(async {
1891	$self->deactivate_recursive; # just to be sure	1989	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	1990	unless (eval {
1893	prepare_random_map $exit	1991	$self->goto ($slaying, $hp, $sp);
1894	if $exit->slaying eq "/!";
1895
1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1898		1992
1899	1;	1993	1;
1900	}) {	1994	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	1995	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "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. "
1903	. "Please report this to the dungeon master!",	1997	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	1998	cf::NDI_UNIQUE | cf::NDI_RED);
1905		1999
1906	warn "ERROR in enter_exit: $@";	2000	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2001	$self->leave_link;
1908	}	2002	}
1909	})->prio (1);	2003	})->prio (1);
…		…
1922		2016
1923	sub cf::client::send_drawinfo {	2017	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2018	my ($self, $text, $flags) = @_;
1925		2019
1926	utf8::encode $text;	2020	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2022	}
1929		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	}
1930		2036
1931	=item $success = $client->query ($flags, "text", \&cb)	2037	=item $success = $client->query ($flags, "text", \&cb)
1932		2038
1933	Queues a query to the client, calling the given callback with	2039	Queues a query to the client, calling the given callback with
1934	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>,
…		…
1963	# get handled first	2069	# get handled first
1964	my $queue = delete $ns->{query_queue}	2070	my $queue = delete $ns->{query_queue}
1965	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
1966		2072
1967	(shift @$queue)->[1]->($msg);	2073	(shift @$queue)->[1]->($msg);
		2074	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2075
1969	push @{ $ns->{query_queue} }, @$queue;	2076	push @{ $ns->{query_queue} }, @$queue;
1970		2077
1971	if (@{ $ns->{query_queue} } == @$queue) {	2078	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2079	if (@$queue) {
…		…
2030		2137
2031	# here we export the classes and methods available to script code	2138	# here we export the classes and methods available to script code
2032		2139
2033	=pod	2140	=pod
2034		2141
2035	The following fucntions and emthods are available within a safe environment:	2142	The following functions and methods are available within a safe environment:
2036		2143
2037	cf::object contr pay_amount pay_player map	2144	cf::object contr pay_amount pay_player map
2038	cf::object::player player	2145	cf::object::player player
2039	cf::player peaceful	2146	cf::player peaceful
2040	cf::map trigger	2147	cf::map trigger
…		…
2133	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
2134	using it, it should be unique.	2241	using it, it should be unique.
2135		2242
2136	=over 4	2243	=over 4
2137		2244
2138	=item $hashref = cf::db_get $family
2139
2140	Return a hashref for use by the extension C<$family>, which can be
2141	modified. After modifications, you have to call C<cf::db_dirty> or
2142	C<cf::db_sync>.
2143
2144	=item $value = cf::db_get $family => $key	2245	=item $value = cf::db_get $family => $key
2145		2246
2146	Returns a single value from the database	2247	Returns a single value from the database.
2147
2148	=item cf::db_put $family => $hashref
2149
2150	Stores the given family hashref into the database. Updates are delayed, if
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2152		2248
2153	=item cf::db_put $family => $key => $value	2249	=item cf::db_put $family => $key => $value
2154		2250
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you	2251	Stores the given C<$value> in the family.
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165		2252
2166	=cut	2253	=cut
2167		2254
2168	our $DB;	2255	our $DB;
2169		2256
2170	{	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
2171	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;
2172		2276
2173	sub db_load() {	2277	cf::db_put (board => data => $pst->{board});
2174	$DB = stat $path ? Storable::retrieve $path : { };	2278	cf::db_put (guildrules => data => $pst->{guildrules});
2175	}	2279	cf::db_put (rent => balance => $pst->{rent}{balance});
		2280	BDB::db_env_txn_checkpoint $DB_ENV;
2176		2281
2177	my $pid;	2282	unlink $path;
2178
2179	sub db_save() {
2180	waitpid $pid, 0 if $pid;
2181	if (0 == ($pid = fork)) {
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}	2283	};
2187	}	2284	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});	2285	}
		2286	}
2199		2287
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}
2204
2205	sub db_get($;$) {	2288	sub db_get($$) {
2206	@_ >= 2	2289	my $key = "$_[0]/$_[1]";
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210		2290
		2291	cf::sync_job {
		2292	BDB::db_get $DB, undef, $key, my $data;
		2293
		2294	$! ? ()
		2295	: Compress::LZF::sthaw $data
		2296	}
		2297	}
		2298
2211	sub db_put($$;$) {	2299	sub db_put($$$) {
2212	if (@_ >= 3) {	2300	BDB::dbreq_pri 4;
2213	$DB->{$_[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, $info->{smoothlevel};
2214	} else {	2338	} else {
2215	$DB->{$_[0]} = $_[1];	2339	warn "smooth face '$info->{smooth}' not found for face '$face'";
2216	}
2217	db_dirty;
2218	}
2219
2220	cf::global->attach (
2221	prio => 10000,
2222	on_cleanup => sub {
2223	db_sync;
2224	},	2340	}
2225	);	2341	Coro::cede;
2226	}	2342	}
2227		2343
2228	#############################################################################	2344	1
2229	# 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	}
2230		2357
2231	sub cfg_load {	2358	sub cfg_load {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	2359	open my $fh, "<:utf8", cf::confdir . "/config"
2233	or return;	2360	or return;
2234		2361
…		…
2251		2378
2252	sub main {	2379	sub main {
2253	# we must not ever block the main coroutine	2380	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	2381	local $Coro::idle = sub {
2255	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 {
2256	async { Event::one_event };	2384	Event::one_event;
		2385	})->prio (Coro::PRIO_MAX);
2257	};	2386	};
2258		2387
2259	cfg_load;	2388	cfg_load;
2260	db_load;	2389	db_init;
2261	load_extensions;	2390	load_extensions;
		2391
		2392	$TICK_WATCHER->start;
2262	Event::loop;	2393	Event::loop;
2263	}	2394	}
2264		2395
2265	#############################################################################	2396	#############################################################################
2266	# initialisation and cleanup	2397	# initialisation and cleanup
2267		2398
2268	# install some emergency cleanup handlers	2399	# install some emergency cleanup handlers
2269	BEGIN {	2400	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	2401	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	2402	Event->signal (
		2403	reentrant => 0,
2272	data => WF_AUTOCANCEL,	2404	data => WF_AUTOCANCEL,
2273	signal => $signal,	2405	signal => $signal,
		2406	prio => 0,
2274	cb => sub {	2407	cb => sub {
2275	cf::cleanup "SIG$signal";	2408	cf::cleanup "SIG$signal";
2276	},	2409	},
2277	);	2410	);
2278	}	2411	}
2279	}	2412	}
…		…
2284	warn "enter emergency perl save\n";	2417	warn "enter emergency perl save\n";
2285		2418
2286	cf::sync_job {	2419	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	2420	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	2421	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	2422	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	2423	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	2424	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	2425	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	2426	$pl->valid or next;
2294	$pl->save;	2427	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	2433	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	2434	$map->valid or next;
2302	$map->save;	2435	$map->save;
2303	}	2436	}
2304	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 $DB_ENV;
		2441	warn "end emergency database checkpoint\n";
2305	};	2442	};
2306		2443
2307	warn "leave emergency perl save\n";	2444	warn "leave emergency perl save\n";
		2445	}
		2446
		2447	sub post_cleanup {
		2448	my ($make_core) = @_;
		2449
		2450	warn Carp::longmess "post_cleanup backtrace"
		2451	if $make_core;
2308	}	2452	}
2309		2453
2310	sub reload() {	2454	sub reload() {
2311	# can/must only be called in main	2455	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	2456	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	2457	warn "can only reload from main coroutine";
2314	return;	2458	return;
2315	}	2459	}
2316		2460
2317	warn "reloading...";	2461	warn "reloading...";
2318		2462
2319	warn "freezing server";	2463	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	2464
		2465	cf::sync_job {
		2466	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2467	cf::emergency_save;
		2468	cf::write_runtime; # external watchdog should not bark
2322		2469
2323	warn "sync database to disk";	2470	warn "syncing database to disk";
2324	cf::db_sync;	2471	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		2472
2327	eval {
2328	# 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
2329		2474
2330	warn "cancel all watchers";	2475	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	2476	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	2477	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	2478	}
2334		2479
		2480	warn "flushing outstanding aio requests";
		2481	for (;;) {
		2482	BDB::flush;
		2483	IO::AIO::flush;
		2484	Coro::cede;
		2485	last unless IO::AIO::nreqs || BDB::nreqs;
		2486	warn "iterate...";
		2487	}
		2488
		2489	++$RELOAD;
		2490
2335	warn "cancel all extension coros";	2491	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	2492	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	2493	%EXT_CORO = ();
2338		2494
2339	warn "remove commands";	2495	warn "removing commands";
2340	%COMMAND = ();	2496	%COMMAND = ();
2341		2497
2342	warn "remove ext commands";	2498	warn "removing ext commands";
2343	%EXTCMD = ();	2499	%EXTCMD = ();
2344		2500
2345	warn "unload/nuke all extensions";	2501	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	2502	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	2503	warn "... unloading $pkg";
2348		2504
2349	if (my $cb = $pkg->can ("unload")) {	2505	if (my $cb = $pkg->can ("unload")) {
2350	eval {	2506	eval {
…		…
2355		2511
2356	warn "... nuking $pkg";	2512	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	2513	Symbol::delete_package $pkg;
2358	}	2514	}
2359		2515
2360	warn "unload all perl modules loaded from $LIBDIR";	2516	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	2517	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2518	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		2519
2364	warn "removing <$k>";	2520	warn "... unloading $k";
2365	delete $INC{$k};	2521	delete $INC{$k};
2366		2522
2367	$k =~ s/\.pm$//;	2523	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	2524	$k =~ s/\//::/g;
2369		2525
…		…
2372	}	2528	}
2373		2529
2374	Symbol::delete_package $k;	2530	Symbol::delete_package $k;
2375	}	2531	}
2376		2532
2377	warn "get rid of safe::, as good as possible";	2533	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	2534	Symbol::delete_package "safe::$_"
2379	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);
2380		2536
2381	warn "unload cf.pm \"a bit\"";	2537	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	2538	delete $INC{"cf.pm"};
2383		2539
2384	# don't, removes xs symbols, too,	2540	# don't, removes xs symbols, too,
2385	# and global variables created in xs	2541	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	2542	#Symbol::delete_package __PACKAGE__;
2387		2543
		2544	warn "unload completed, starting to reload now";
		2545
2388	warn "reloading cf.pm";	2546	warn "reloading cf.pm";
2389	require cf;	2547	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2548	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		2549
2392	warn "load config and database again";	2550	warn "loading config and database again";
2393	cf::cfg_load;	2551	cf::cfg_load;
2394	cf::db_load;
2395		2552
2396	warn "load extensions";	2553	warn "loading extensions";
2397	cf::load_extensions;	2554	cf::load_extensions;
2398		2555
2399	warn "reattach attachments to objects/players";	2556	warn "reattaching attachments to objects/players";
2400	_global_reattach;	2557	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	2558	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	2559	reattach $_ for values %MAP;
2403	};	2560	warn "reattaching attachments to players";
		2561	reattach $_ for values %PLAYER;
2404		2562
2405	if ($@) {	2563	warn "loading reloadable resources";
		2564	reload_resources;
		2565
		2566	warn "leaving sync_job";
		2567
		2568	1
		2569	} or do {
2406	warn $@;	2570	warn $@;
2407	warn "error while reloading, exiting.";	2571	warn "error while reloading, exiting.";
2408	exit 1;	2572	exit 1;
2409	}	2573	};
2410		2574
2411	warn "reloaded";	2575	warn "reloaded";
2412	};	2576	};
2413		2577
2414	#############################################################################	2578	our $RELOAD_WATCHER; # used only during reload
2415
2416	unless ($LINK_MAP) {
2417	$LINK_MAP = cf::map::new;
2418
2419	$LINK_MAP->width (41);
2420	$LINK_MAP->height (41);
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,
2429	cb => sub {
2430	$_[0]->w->cancel;
2431
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});
2450
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}
2456		2579
2457	register_command "reload" => sub {	2580	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	2581	my ($who, $arg) = @_;
2459		2582
2460	if ($who->flag (FLAG_WIZ)) {	2583	if ($who->flag (FLAG_WIZ)) {
2461	$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 {
2462	reload;	2594	reload;
2463	$who->message ("end of reload.");	2595	undef $RELOAD_WATCHER;
		2596	},
		2597	);
2464	}	2598	}
2465	};	2599	};
2466		2600
2467	unshift @INC, $LIBDIR;	2601	unshift @INC, $LIBDIR;
		2602
		2603	my $bug_warning = 0;
2468		2604
2469	$TICK_WATCHER = Event->timer (	2605	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	2606	reentrant => 0,
		2607	parked => 1,
2471	prio => 0,	2608	prio => 0,
2472	at => $NEXT_TICK || $TICK,	2609	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	2610	data => WF_AUTOCANCEL,
2474	cb => sub {	2611	cb => sub {
		2612	if ($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
2475	$NOW = Event::time;	2618	$NOW = Event::time;
2476		2619
2477	cf::server_tick; # one server iteration	2620	cf::server_tick; # one server iteration
2478	$RUNTIME += $TICK;	2621	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	2622	$NEXT_TICK += $TICK;
2480		2623
		2624	if ($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
2481	$WAIT_FOR_TICK->broadcast;	2632	$WAIT_FOR_TICK->broadcast;
2482	$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#
2483		2637
2484	# 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
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2486		2640
2487	$TICK_WATCHER->at ($NEXT_TICK);	2641	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	2642	$TICK_WATCHER->start;
2489	},	2643	},
2490	);	2644	);
2491		2645
		2646	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	2647	BDB::max_poll_time $TICK * 0.1;
2493		2648	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	2649	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	2650	fd => BDB::poll_fileno,
2496	poll => 'r',	2651	poll => 'r',
2497	prio => 5,	2652	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2504	after => 0,	2654	cb => \&BDB::poll_cb,
2505	interval => 10,	2655	);
2506	cb => sub {	2656	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	2657
2508	write_runtime	2658	BDB::set_sync_prepare {
2509	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 $@;
2510	})->();	2692	};
2511	},	2693	}
2512	);	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	}
2513		2710
2514	END { cf::emergency_save }	2711	END { cf::emergency_save }
2515		2712
2516	1	2713	1
2517		2714

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