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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 1.249 by root, Wed Apr 18 12:43:54 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 3.61 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
20	use Data::Dumper;	24	use Data::Dumper;
21	use Digest::MD5;	25	use Digest::MD5;
22	use Fcntl;	26	use Fcntl;
		27	use YAML::Syck ();
23	use IO::AIO 2.32 ();	28	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
26		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		39
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
33		42
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		44
		45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		46
36	our %COMMAND = ();	47	our %COMMAND = ();
37	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
38		49
39	our @EXTS = (); # list of extension package names	50	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	51	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	52	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	53	our %EXT_MAP = (); # pluggable maps
43		54
		55	our $RELOAD; # number of reloads so far
44	our @EVENT;	56	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
46		58
47	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	63	our $NEXT_TICK;
50	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
51		69
52	our %CFG;	70	our %CFG;
53		71
54	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	73	our $RUNTIME;
56		74
57	our %PLAYER; # all users	75	our %PLAYER; # all users
58	our %MAP; # all maps	76	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
		79	our $BDB_ENV_DIR = cf::localdir . "/db";
61		80
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	81	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
64		83
65	binmode STDOUT;	84	binmode STDOUT;
66	binmode STDERR;	85	binmode STDERR;
67		86
68	# read virtual server time, if available	87	# read virtual server time, if available
…		…
75	mkdir cf::localdir;	94	mkdir cf::localdir;
76	mkdir cf::localdir . "/" . cf::playerdir;	95	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;	96	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;	97	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;	98	mkdir $RANDOM_MAPS;
		99	mkdir $BDB_ENV_DIR;
80		100
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	101	our $EMERGENCY_POSITION;
		102
		103	sub cf::map::normalise;
84		104
85	#############################################################################	105	#############################################################################
86		106
87	=head2 GLOBAL VARIABLES	107	=head2 GLOBAL VARIABLES
88		108
…		…
113	=item %cf::CFG	133	=item %cf::CFG
114		134
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	135	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	136	from wherever your confdir points to.
117		137
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	138	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		139
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	141	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.
124		143
125	=back	144	=back
126		145
127	=cut	146	=cut
128		147
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	207	$d
189	} || "[unable to dump $_[0]: '$@']";	208	} || "[unable to dump $_[0]: '$@']";
190	}	209	}
191		210
192	use JSON::Syck (); # TODO# replace by JSON::PC once working	211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
193		212
194	=item $ref = cf::from_json $json	213	=item $ref = cf::from_json $json
195		214
196	Converts a JSON string into the corresponding perl data structure.	215	Converts a JSON string into the corresponding perl data structure.
197		216
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	217	=item $json = cf::to_json $ref
206		218
207	Converts a perl data structure into its JSON representation.	219	Converts a perl data structure into its JSON representation.
208
209	=cut
210
211	sub to_json($) {
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
213	JSON::Syck::Dump $_[0]
214	}
215		220
216	=item cf::lock_wait $string	221	=item cf::lock_wait $string
217		222
218	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
219		224
…		…
256	}	261	}
257		262
258	sub freeze_mainloop {	263	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
260		265
261	my $guard = Coro::guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	};
262	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
263	$guard	270	$guard
264	}	271	}
265		272
266	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
…		…
337		344
338	$coro	345	$coro
339	}	346	}
340		347
341	sub write_runtime {	348	sub write_runtime {
		349	my $guard = cf::lock_acquire "write_runtime";
		350
342	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
343		352
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345	or return;	354	or return;
346		355
		356	my $value = $cf::RUNTIME + 90 + 10;
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;	361	and return;
350		362
		363	# always fsync - this file is important
351	aio_fsync $fh	364	aio_fsync $fh
352	and return;	365	and return;
353		366
354	close $fh	367	close $fh
355	or return;	368	or return;
…		…
358	and return;	371	and return;
359		372
360	1	373	1
361	}	374	}
362		375
		376	=item cf::datalog type => key => value, ...
		377
		378	Log a datalog packet of the given type with the given key-value pairs.
		379
		380	=cut
		381
		382	sub datalog($@) {
		383	my ($type, %kv) = @_;
		384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		385	}
		386
363	=back	387	=back
364		388
365	=cut	389	=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		390
543	#############################################################################	391	#############################################################################
544		392
545	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
546		394
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	521	our @CB_MAP = ();
674		522
675	my %attachment;	523	my %attachment;
676		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
677	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
679		533
680	use sort 'stable';	534	use sort 'stable';
681		535
…		…
852	# object support	706	# object support
853		707
854	sub reattach {	708	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
856	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857		713
858	my $registry = $obj->registry;	714	my $registry = $obj->registry;
859		715
860	@$registry = ();	716	@$registry = ();
861		717
…		…
908	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
909		765
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
912	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
913	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
914	close $fh;	770	close $fh;
915		771
916	if (@$objs) {	772	if (@$objs) {
917	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
918	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
920	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
921	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
922	close $fh;	778	close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
924	}	780	}
925	} else {	781	} else {
926	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
1048	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
1051	. "\n};\n1";	907	. "\n};\n1";
1052		908
1053	eval $source	909	unless (eval $source) {
1054	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
1055	: "extension disabled.\n";	911	: "extension disabled.\n";
		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		913	warn $@;
		914	warn "mandatory extension failed to load, exiting.\n";
		915	exit 1;
		916	}
		917	die $@;
		918	}
1056		919
1057	push @EXTS, $pkg;	920	push @EXTS, $pkg;
1058	}	921	}
1059		922
1060	sub load_extensions {	923	sub load_extensions {
…		…
1066	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1067	}	930	}
1068	}	931	}
1069		932
1070	#############################################################################	933	#############################################################################
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		934
1086	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1087		936
1088	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1089		938
…		…
1112	}	961	}
1113		962
1114	sub path($) {	963	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		965
1117	(playerdir $login) . "/$login.pl"	966	(playerdir $login) . "/playerdata"
1118	}	967	}
1119		968
1120	sub find_active($) {	969	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	970	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	971	and $cf::PLAYER{$_[0]}->active
…		…
1125		974
1126	sub exists($) {	975	sub exists($) {
1127	my ($login) = @_;	976	my ($login) = @_;
1128		977
1129	$cf::PLAYER{$login}	978	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	979	or cf::sync_job { !aio_stat path $login }
1131	}	980	}
1132		981
1133	sub find($) {	982	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	983	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	984	my $login = $_[0];
1136		985
1137	my $guard = cf::lock_acquire "user_find:$login";	986	my $guard = cf::lock_acquire "user_find:$login";
1138		987
1139	$cf::PLAYER{$_[0]} || do {	988	$cf::PLAYER{$_[0]} || do {
		989	# rename old playerfiles to new ones
		990	#TODO: remove when no longer required
		991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		993	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		994	aio_unlink +(playerdir $login) . "/$login.pl";
		995
1140	my $pl = load_pl path $login	996	my $pl = load_pl path $login
1141	or return;	997	or return;
1142	$cf::PLAYER{$login} = $pl	998	$cf::PLAYER{$login} = $pl
1143	}	999	}
1144	}	1000	}
…		…
1181		1037
1182	=cut	1038	=cut
1183		1039
1184	sub quit_character {	1040	sub quit_character {
1185	my ($pl) = @_;	1041	my ($pl) = @_;
		1042
		1043	my $name = $pl->ob->name;
1186		1044
1187	$pl->{deny_save} = 1;	1045	$pl->{deny_save} = 1;
1188	$pl->password ("*"); # this should lock out the player until we nuked the dir	1046	$pl->password ("*"); # this should lock out the player until we nuked the dir
1189		1047
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1195	my $path = playerdir $pl;	1053	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1054	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1055	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1056	delete $cf::PLAYER{$pl->ob->name};
1199	$pl->destroy;	1057	$pl->destroy;
		1058
		1059	my $prefix = qr<^~\Q$name\E/>;
		1060
		1061	# nuke player maps
		1062	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1063
1200	IO::AIO::aio_rmtree $temp;	1064	IO::AIO::aio_rmtree $temp;
		1065	}
		1066
		1067	=item $pl->kick
		1068
		1069	Kicks a player out of the game. This destroys the connection.
		1070
		1071	=cut
		1072
		1073	sub kick {
		1074	my ($pl, $kicker) = @_;
		1075
		1076	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1077	$pl->killer ("kicked");
		1078	$pl->ns->destroy;
1201	}	1079	}
1202		1080
1203	=item cf::player::list_logins	1081	=item cf::player::list_logins
1204		1082
1205	Returns am arrayref of all valid playernames in the system, can take a	1083	Returns am arrayref of all valid playernames in the system, can take a
…		…
1225	\@logins	1103	\@logins
1226	}	1104	}
1227		1105
1228	=item $player->maps	1106	=item $player->maps
1229		1107
1230	Returns an arrayref of cf::path's of all maps that are private for this	1108	Returns an arrayref of map paths that are private for this
1231	player. May block.	1109	player. May block.
1232		1110
1233	=cut	1111	=cut
1234		1112
1235	sub maps($) {	1113	sub maps($) {
1236	my ($pl) = @_;	1114	my ($pl) = @_;
		1115
		1116	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1117
1238	my $files = aio_readdir playerdir $pl	1118	my $files = aio_readdir playerdir $pl
1239	or return;	1119	or return;
1240		1120
1241	my @paths;	1121	my @paths;
…		…
1243	for (@$files) {	1123	for (@$files) {
1244	utf8::decode $_;	1124	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1125	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1126	next unless /^$PATH_SEP/o;
1247		1127
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1128	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1129	}
1250		1130
1251	\@paths	1131	\@paths
1252	}	1132	}
1253		1133
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1255		1135
1256	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1257		1137
1258	=cut	1138	=cut
1259		1139
1260	sub ext_reply($$$%) {	1140	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1262		1142
1263	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1264		1144
1265	$self->send ("ext " . cf::to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
1266	}	1146	}
1267		1147
1268	package cf;	1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		1155	my ($self, $type, %msg) = @_;
		1156
		1157	$self->ns->ext_event ($type, %msg);
		1158	}
		1159
		1160	=head3 cf::region
		1161
		1162	=over 4
		1163
		1164	=cut
		1165
		1166	package cf::region;
		1167
		1168	=item cf::region::find_by_path $path
		1169
		1170	Tries to decuce the probable region for a map knowing only its path.
		1171
		1172	=cut
		1173
		1174	sub find_by_path($) {
		1175	my ($path) = @_;
		1176
		1177	my ($match, $specificity);
		1178
		1179	for my $region (list) {
		1180	if ($region->match && $path =~ $region->match) {
		1181	($match, $specificity) = ($region, $region->specificity)
		1182	if $region->specificity > $specificity;
		1183	}
		1184	}
		1185
		1186	$match
		1187	}
1269		1188
1270	=back	1189	=back
1271
1272		1190
1273	=head3 cf::map	1191	=head3 cf::map
1274		1192
1275	=over 4	1193	=over 4
1276		1194
…		…
1279	package cf::map;	1197	package cf::map;
1280		1198
1281	use Fcntl;	1199	use Fcntl;
1282	use Coro::AIO;	1200	use Coro::AIO;
1283		1201
		1202	use overload
		1203	'""' => \&as_string,
		1204	fallback => 1;
		1205
1284	our $MAX_RESET = 3600;	1206	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1207	our $DEFAULT_RESET = 3000;
1286		1208
1287	sub generate_random_map {	1209	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1210	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1211	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1212	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1216	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1217	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1223	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1224	)
1305	}	1225	}
1306		1226
		1227	=item cf::map->register ($regex, $prio)
		1228
		1229	Register a handler for the map path matching the given regex at the
		1230	givne priority (higher is better, built-in handlers have priority 0, the
		1231	default).
		1232
		1233	=cut
		1234
		1235	sub register {
		1236	my (undef, $regex, $prio) = @_;
		1237	my $pkg = caller;
		1238
		1239	no strict;
		1240	push @{"$pkg\::ISA"}, __PACKAGE__;
		1241
		1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1243	}
		1244
		1245	# also paths starting with '/'
		1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1247
		1248	sub thawer_merge {
		1249	my ($self, $merge) = @_;
		1250
		1251	# we have to keep some variables in memory intact
		1252	local $self->{path};
		1253	local $self->{load_path};
		1254	local $self->{deny_save};
		1255	local $self->{deny_reset};
		1256
		1257	$self->SUPER::thawer_merge ($merge);
		1258	}
		1259
		1260	sub normalise {
		1261	my ($path, $base) = @_;
		1262
		1263	$path = "$path"; # make sure its a string
		1264
		1265	$path =~ s/\.map$//;
		1266
		1267	# map plan:
		1268	#
		1269	# /! non-realised random map exit (special hack!)
		1270	# {... are special paths that are not being touched
		1271	# ?xxx/... are special absolute paths
		1272	# ?random/... random maps
		1273	# /... normal maps
		1274	# ~user/... per-player map of a specific user
		1275
		1276	$path =~ s/$PATH_SEP/\//go;
		1277
		1278	# treat it as relative path if it starts with
		1279	# something that looks reasonable
		1280	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1281	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1282
		1283	$base =~ s{[^/]+/?$}{};
		1284	$path = "$base/$path";
		1285	}
		1286
		1287	for ($path) {
		1288	redo if s{//}{/};
		1289	redo if s{/\.?/}{/};
		1290	redo if s{/[^/]+/\.\./}{/};
		1291	}
		1292
		1293	$path
		1294	}
		1295
		1296	sub new_from_path {
		1297	my (undef, $path, $base) = @_;
		1298
		1299	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1300
		1301	$path = normalise $path, $base;
		1302
		1303	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1304	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1305	my $self = bless cf::map::new, $pkg;
		1306	$self->{path} = $path; $self->path ($path);
		1307	$self->init; # pass $1 etc.
		1308	return $self;
		1309	}
		1310	}
		1311
		1312	Carp::carp "unable to resolve path '$path' (base '$base').";
		1313	()
		1314	}
		1315
		1316	sub init {
		1317	my ($self) = @_;
		1318
		1319	$self
		1320	}
		1321
		1322	sub as_string {
		1323	my ($self) = @_;
		1324
		1325	"$self->{path}"
		1326	}
		1327
		1328	# the displayed name, this is a one way mapping
		1329	sub visible_name {
		1330	&as_string
		1331	}
		1332
		1333	# the original (read-only) location
		1334	sub load_path {
		1335	my ($self) = @_;
		1336
		1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1338	}
		1339
		1340	# the temporary/swap location
		1341	sub save_path {
		1342	my ($self) = @_;
		1343
		1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1346	}
		1347
		1348	# the unique path, undef == no special unique path
		1349	sub uniq_path {
		1350	my ($self) = @_;
		1351
		1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
		1354	}
		1355
1307	# and all this just because we cannot iterate over	1356	# and all this just because we cannot iterate over
1308	# all maps in C++...	1357	# all maps in C++...
1309	sub change_all_map_light {	1358	sub change_all_map_light {
1310	my ($change) = @_;	1359	my ($change) = @_;
1311		1360
1312	$_->change_map_light ($change)	1361	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1362	for grep $_->outdoor, values %cf::MAP;
1314	}	1363	}
1315		1364
		1365	sub unlink_save {
		1366	my ($self) = @_;
		1367
		1368	utf8::encode (my $save = $self->save_path);
		1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1370	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1371	}
		1372
1316	sub load_map_header($) {	1373	sub load_header_from($) {
1317	my ($path) = @_;	1374	my ($self, $path) = @_;
1318		1375
1319	utf8::encode $path;	1376	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
		1378	# or return;
		1379
		1380	$self->_load_header ($path)
1321	or return;	1381	or return;
1322		1382
1323	my $map = cf::map::new	1383	$self->{load_path} = $path;
		1384
		1385	1
		1386	}
		1387
		1388	sub load_header_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->load_header_from ($self->load_path)
		1392	}
		1393
		1394	sub load_header_temp {
		1395	my ($self) = @_;
		1396
		1397	$self->load_header_from ($self->save_path)
		1398	}
		1399
		1400	sub prepare_temp {
		1401	my ($self) = @_;
		1402
		1403	$self->last_access ((delete $self->{last_access})
		1404	|| $cf::RUNTIME); #d#
		1405	# safety
		1406	$self->{instantiate_time} = $cf::RUNTIME
		1407	if $self->{instantiate_time} > $cf::RUNTIME;
		1408	}
		1409
		1410	sub prepare_orig {
		1411	my ($self) = @_;
		1412
		1413	$self->{load_original} = 1;
		1414	$self->{instantiate_time} = $cf::RUNTIME;
		1415	$self->last_access ($cf::RUNTIME);
		1416	$self->instantiate;
		1417	}
		1418
		1419	sub load_header {
		1420	my ($self) = @_;
		1421
		1422	if ($self->load_header_temp) {
		1423	$self->prepare_temp;
		1424	} else {
		1425	$self->load_header_orig
1324	or return;	1426	or return;
		1427	$self->prepare_orig;
		1428	}
1325		1429
1326	# for better error messages only, will be overwritten later	1430	$self->default_region (cf::region::find_by_path $self->{path})
1327	$map->path ($path);	1431	unless $self->default_region;
1328		1432
1329	$map->load_header ($path)	1433	1
1330	or return;
1331
1332	$map->{load_path} = $path;
1333
1334	$map
1335	}	1434	}
1336		1435
1337	sub find;	1436	sub find;
1338	sub find {	1437	sub find {
1339	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1340		1439
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1440	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1441
1346	cf::lock_wait "map_find:$key";	1442	cf::lock_wait "map_find:$path";
1347		1443
1348	$cf::MAP{$key} || do {	1444	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1445	my $guard = cf::lock_acquire "map_find:$path";
1350		1446	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;	1447	or return;
1365		1448
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;	1449	$map->{last_save} = $cf::RUNTIME;
1378		1450
1379	Coro::cede;	1451	$map->load_header
		1452	or return;
1380		1453
1381	if ($map->should_reset) {	1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1455	# doing this can freeze the server in a sync job, obviously
		1456	#$cf::WAIT_FOR_TICK->wait;
1382	$map->reset;	1457	$map->reset;
1383	undef $guard;	1458	undef $guard;
1384	$map = find $path	1459	return find $path;
1385	or return;
1386	}	1460	}
1387		1461
1388	$cf::MAP{$key} = $map	1462	$cf::MAP{$path} = $map
1389	}	1463	}
1390	}	1464	}
		1465
		1466	sub pre_load { }
		1467	sub post_load { }
1391		1468
1392	sub load {	1469	sub load {
1393	my ($self) = @_;	1470	my ($self) = @_;
1394		1471
		1472	local $self->{deny_reset} = 1; # loading can take a long time
		1473
1395	my $path = $self->{path};	1474	my $path = $self->{path};
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1475	my $guard = cf::lock_acquire "map_load:$path";
1397		1476
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1478
1400	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1401		1480
1402	$self->alloc;	1481	$self->alloc;
		1482
		1483	$self->pre_load;
		1484	Coro::cede;
		1485
1403	$self->load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1487	or return;
1405		1488
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1490	if delete $self->{load_original};
1408		1491
1409	if (my $uniq = $path->uniq_path) {	1492	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1493	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1494	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1495	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1414	}	1497	}
1415	}	1498	}
1416		1499
1417	Coro::cede;	1500	Coro::cede;
1418
1419	# now do the right thing for maps	1501	# now do the right thing for maps
1420	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1421		1504
1422	if ($self->{path}->is_style_map) {	1505	unless ($self->{deny_activate}) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;	1506	$self->decay_objects;
1427	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1428	$self->update_buttons;	1508	$self->update_buttons;
		1509	Coro::cede;
1429	$self->set_darkness_map;	1510	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1512	unless $self->difficulty;
		1513	Coro::cede;
1432	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1433	}	1516	}
1434		1517
		1518	$self->post_load;
1435	Coro::cede;	1519	Coro::cede;
1436		1520
1437	$self->in_memory (cf::MAP_IN_MEMORY);	1521	$self->in_memory (cf::MAP_IN_MEMORY);
		1522	}
		1523
		1524	sub customise_for {
		1525	my ($self, $ob) = @_;
		1526
		1527	return find "~" . $ob->name . "/" . $self->{path}
		1528	if $self->per_player;
		1529
		1530	$self
1438	}	1531	}
1439		1532
1440	# find and load all maps in the 3x3 area around a map	1533	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1534	sub load_diag {
1442	my ($map) = @_;	1535	my ($map) = @_;
…		…
1472		1565
1473	cf::sync_job { $map->load };	1566	cf::sync_job { $map->load };
1474	}	1567	}
1475		1568
1476	our %MAP_PREFETCH;	1569	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = Coro::async {	1570	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	$map->load;
1487	}
1488	Coro::schedule;
1489	}
1490	};
1491		1571
1492	sub find_async {	1572	sub find_async {
1493	my ($path, $origin) = @_;	1573	my ($path, $origin) = @_;
1494		1574
1495	$path = new cf::path $path, $origin && $origin->path;	1575	$path = normalise $path, $origin && $origin->{path};
1496	my $key = $path->as_string;
1497		1576
1498	if (my $map = $cf::MAP{$key}) {	1577	if (my $map = $cf::MAP{$path}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}	1579	}
1501		1580
1502	$MAP_PREFETCH{$key} = $path;	1581	undef $MAP_PREFETCH{$path};
		1582	$MAP_PREFETCHER ||= cf::async {
		1583	while (%MAP_PREFETCH) {
		1584	for my $path (keys %MAP_PREFETCH) {
		1585	my $map = find $path
		1586	or next;
		1587	$map->load;
		1588
		1589	delete $MAP_PREFETCH{$path};
		1590	}
		1591	}
		1592	undef $MAP_PREFETCHER;
		1593	};
1503	$MAP_PREFETCHER->ready;	1594	$MAP_PREFETCHER->prio (6);
1504		1595
1505	()	1596	()
1506	}	1597	}
1507		1598
1508	sub save {	1599	sub save {
…		…
1512		1603
1513	$self->{last_save} = $cf::RUNTIME;	1604	$self->{last_save} = $cf::RUNTIME;
1514		1605
1515	return unless $self->dirty;	1606	return unless $self->dirty;
1516		1607
1517	my $save = $self->{path}->save_path; utf8::encode $save;	1608	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1609	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		1610
1520	$self->{load_path} = $save;	1611	$self->{load_path} = $save;
1521		1612
1522	return if $self->{deny_save};	1613	return if $self->{deny_save};
1523		1614
…		…
1526	cf::async {	1617	cf::async {
1527	$_->contr->save for $self->players;	1618	$_->contr->save for $self->players;
1528	};	1619	};
1529		1620
1530	if ($uniq) {	1621	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	1624	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	1626	}
1536	}	1627	}
1537		1628
1538	sub swap_out {	1629	sub swap_out {
1539	my ($self) = @_;	1630	my ($self) = @_;
…		…
1553		1644
1554	sub reset_at {	1645	sub reset_at {
1555	my ($self) = @_;	1646	my ($self) = @_;
1556		1647
1557	# TODO: safety, remove and allow resettable per-player maps	1648	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};	1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1559	return 1e99 if $self->{deny_reset};	1650	return 1e99 if $self->{deny_reset};
1560		1651
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		1654
…		…
1568	my ($self) = @_;	1659	my ($self) = @_;
1569		1660
1570	$self->reset_at <= $cf::RUNTIME	1661	$self->reset_at <= $cf::RUNTIME
1571	}	1662	}
1572		1663
1573	sub rename {
1574	my ($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	$self->save;
1584	}
1585
1586	sub reset {	1664	sub reset {
1587	my ($self) = @_;	1665	my ($self) = @_;
1588		1666
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		1668
1591	return if $self->players;	1669	return if $self->players;
1592	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1593		1671
1594	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1595		1673
		1674	$self->in_memory (cf::MAP_SWAPPED);
		1675
		1676	# need to save uniques path
		1677	unless ($self->{deny_save}) {
		1678	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1679
		1680	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1681	if $uniq;
		1682	}
		1683
1596	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
1597		1685
		1686	$self->clear;
		1687
1598	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1599		1689
1600	$self->{path}->unlink_save;	1690	$self->unlink_save;
1601	$self->destroy;	1691	$self->destroy;
1602	}	1692	}
1603		1693
1604	my $nuke_counter = "aaaa";	1694	my $nuke_counter = "aaaa";
1605		1695
1606	sub nuke {	1696	sub nuke {
1607	my ($self) = @_;	1697	my ($self) = @_;
1608		1698
		1699	delete $cf::MAP{$self->path};
		1700
		1701	$self->unlink_save;
		1702
		1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	1705	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	1706	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1708
		1709	$cf::MAP{$self->path} = $self;
		1710
1612	$self->reset; # polite request, might not happen	1711	$self->reset; # polite request, might not happen
1613	}	1712	}
1614		1713
1615	=item cf::map::unique_maps	1714	=item cf::map::unique_maps
1616		1715
1617	Returns an arrayref of cf::path's of all shared maps that have	1716	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	1717	instantiated unique items. May block.
1619		1718
1620	=cut	1719	=cut
1621		1720
1622	sub unique_maps() {	1721	sub unique_maps() {
…		…
1628	for (@$files) {	1727	for (@$files) {
1629	utf8::decode $_;	1728	utf8::decode $_;
1630	next if /\.pst$/;	1729	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;	1730	next unless /^$PATH_SEP/o;
1632		1731
1633	push @paths, new cf::path $_;	1732	push @paths, cf::map::normalise $_;
1634	}	1733	}
1635		1734
1636	\@paths	1735	\@paths
1637	}	1736	}
1638		1737
…		…
1713		1812
1714	=item $player_object->enter_link	1813	=item $player_object->enter_link
1715		1814
1716	Freezes the player and moves him/her to a special map (C<{link}>).	1815	Freezes the player and moves him/her to a special map (C<{link}>).
1717		1816
1718	The player should be reaosnably safe there for short amounts of time. You	1817	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.	1818	I<MUST> call C<leave_link> as soon as possible, though.
1720		1819
		1820	Will never block.
		1821
1721	=item $player_object->leave_link ($map, $x, $y)	1822	=item $player_object->leave_link ($map, $x, $y)
1722		1823
1723	Moves the player out of the specila link map onto the given map. If the	1824	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	1825	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	1826	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	1827	fails, to the emergency map position.
1727		1828
1728	Might block.	1829	Might block.
1729		1830
1730	=cut	1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($LINK_MAP) {
		1835	$LINK_MAP = cf::map::find "{link}"
		1836	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1837	$LINK_MAP->load;
		1838	}
		1839
		1840	$LINK_MAP
		1841	}
1731		1842
1732	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1733	my ($self) = @_;	1844	my ($self) = @_;
1734		1845
1735	$self->deactivate_recursive;	1846	$self->deactivate_recursive;
1736		1847
1737	return if $self->map == $LINK_MAP;	1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		1849
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	1851	if $self->map;
1741		1852
1742	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	1854	}
1744		1855
1745	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1747		1858
…		…
1769	$map->load;	1880	$map->load;
1770	$map->load_diag;	1881	$map->load_diag;
1771		1882
1772	return unless $self->contr->active;	1883	return unless $self->contr->active;
1773	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1775	}	1888	}
1776		1889
1777	cf::player->attach (	1890	cf::player->attach (
1778	on_logout => sub {	1891	on_logout => sub {
…		…
1791	# try to abort aborted map switching on player login :)	1904	# try to abort aborted map switching on player login :)
1792	# should happen only on crashes	1905	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {	1906	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;	1907	$pl->ob->enter_link;
1795	(async {	1908	(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,	1909	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "	1910	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",	1911	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);	1912	cf::NDI_RED);
		1913	# we need this sleep as the login has a concurrent enter_exit running
		1914	# and this sleep increases chances of the player not ending up in scorn
1802	Coro::Timer::sleep 1;	1915	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;	1916	$pl->ob->leave_link;
1804	})->prio (2);	1917	})->prio (2);
1805	}	1918	}
1806	},	1919	},
…		…
1811	=cut	1924	=cut
1812		1925
1813	sub cf::object::player::goto {	1926	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1815		1928
1816	$path = new cf::path $path;
1817
1818	$self->enter_link;	1929	$self->enter_link;
1819		1930
1820	(async {	1931	(async {
		1932	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	1933	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1823		1935	$map
1824	# warn "entering ", $map->path, " at ($x, $y)\n"	1936	} or
1825	# if $map;
1826
1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1828		1938
1829	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1830	})->prio (1);	1940	})->prio (1);
1831	}	1941	}
1832		1942
…		…
1836		1946
1837	sub parse_random_map_params {	1947	sub parse_random_map_params {
1838	my ($spec) = @_;	1948	my ($spec) = @_;
1839		1949
1840	my $rmp = { # defaults	1950	my $rmp = { # defaults
1841	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1843	};	1955	};
1844		1956
1845	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1847		1959
…		…
1851	$rmp	1963	$rmp
1852	}	1964	}
1853		1965
1854	sub prepare_random_map {	1966	sub prepare_random_map {
1855	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		1970
1857	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	1973	# that depends on the exit object
1860		1974
1861	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1862		1976
1863	if ($exit->map) {	1977	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1868	}	1982	}
1869		1983
1870	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1871		1985
1872	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1874		1989
1875	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876	aio_write $fh, 0, (length $data), $data, 0;	1991	aio_write $fh, 0, (length $data), $data, 0;
		1992	undef $fh;
		1993	aio_rename "$meta~", $meta;
1877		1994
1878	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	1996	$exit->msg (undef);
1880	}	1997	}
1881	}	1998	}
1882		1999
1883	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1885		2002
1886	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
		2004
		2005	if ($exit->slaying eq "/!") {
		2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2007	# the problem is that $exit might not survive long enough
		2008	# so it needs to be done right now, right here
		2009	cf::sync_job { prepare_random_map $exit };
		2010	}
		2011
		2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2013	my $hp = $exit->stats->hp;
		2014	my $sp = $exit->stats->sp;
1887		2015
1888	$self->enter_link;	2016	$self->enter_link;
1889		2017
1890	(async {	2018	(async {
1891	$self->deactivate_recursive; # just to be sure	2019	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	2020	unless (eval {
1893	prepare_random_map $exit	2021	$self->goto ($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		2022
1899	1;	2023	1;
1900	}) {	2024	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "I'll try to bring you back to the map you were before. "	2026	. "I'll try to bring you back to the map you were before. "
1903	. "Please report this to the dungeon master!",	2027	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2028	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2029
1906	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2031	$self->leave_link;
1908	}	2032	}
1909	})->prio (1);	2033	})->prio (1);
…		…
1922		2046
1923	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1925		2049
1926	utf8::encode $text;	2050	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2052	}
1929		2053
		2054	=item $client->ext_event ($type, %msg)
		2055
		2056	Sends an exti event to the client.
		2057
		2058	=cut
		2059
		2060	sub cf::client::ext_event($$%) {
		2061	my ($self, $type, %msg) = @_;
		2062
		2063	$msg{msgtype} = "event_$type";
		2064	$self->send_packet ("ext " . cf::to_json \%msg);
		2065	}
1930		2066
1931	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1932		2068
1933	Queues a query to the client, calling the given callback with	2069	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>,	2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1963	# get handled first	2099	# get handled first
1964	my $queue = delete $ns->{query_queue}	2100	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	2101	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		2102
1967	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2105
1969	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1970		2107
1971	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2109	if (@$queue) {
…		…
2030		2167
2031	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
2032		2169
2033	=pod	2170	=pod
2034		2171
2035	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
2036		2173
2037	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
2038	cf::object::player player	2175	cf::object::player player
2039	cf::player peaceful	2176	cf::player peaceful
2040	cf::map trigger	2177	cf::map trigger
…		…
2133	The parameter C<$family> should best start with the name of the extension	2270	The parameter C<$family> should best start with the name of the extension
2134	using it, it should be unique.	2271	using it, it should be unique.
2135		2272
2136	=over 4	2273	=over 4
2137		2274
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	2275	=item $value = cf::db_get $family => $key
2145		2276
2146	Returns a single value from the database	2277	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		2278
2153	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
2154		2280
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	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		2282
2166	=cut	2283	=cut
2167		2284
2168	our $DB;	2285	our $DB;
2169		2286
2170	{	2287	sub db_init {
		2288	unless ($DB) {
		2289	$DB = BDB::db_create $DB_ENV;
		2290
		2291	cf::sync_job {
		2292	eval {
		2293	$DB->set_flags (BDB::CHKSUM);
		2294
		2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2297	cf::cleanup "db_open(db): $!" if $!;
		2298	};
		2299	cf::cleanup "db_open(db): $@" if $@;
		2300	};
		2301
2171	my $path = cf::localdir . "/database.pst";	2302	my $path = cf::localdir . "/database.pst";
		2303	if (stat $path) {
		2304	cf::sync_job {
		2305	my $pst = Storable::retrieve $path;
2172		2306
2173	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
2174	$DB = stat $path ? Storable::retrieve $path : { };	2308	cf::db_put (guildrules => data => $pst->{guildrules});
2175	}	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
		2310	BDB::db_env_txn_checkpoint $DB_ENV;
2176		2311
2177	my $pid;	2312	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	}	2313	};
2187	}
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	});
2199
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}
2204
2205	sub db_get($;$) {
2206	@_ >= 2
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210
2211	sub db_put($$;$) {
2212	if (@_ >= 3) {
2213	$DB->{$_[0]}{$_[1]} = $_[2];
2214	} else {
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219
2220	cf::global->attach (
2221	prio => 10000,
2222	on_cleanup => sub {
2223	db_sync;
2224	},	2314	}
2225	);	2315	}
		2316	}
		2317
		2318	sub db_get($$) {
		2319	my $key = "$_[0]/$_[1]";
		2320
		2321	cf::sync_job {
		2322	BDB::db_get $DB, undef, $key, my $data;
		2323
		2324	$! ? ()
		2325	: Compress::LZF::sthaw $data
		2326	}
		2327	}
		2328
		2329	sub db_put($$$) {
		2330	BDB::dbreq_pri 4;
		2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2332	}
		2333
		2334	=item cf::cache $id => ...
		2335
		2336	Generic caching function that returns the value of the resource $id,
		2337	caching and regenerating as required.
		2338
		2339	This function can block.
		2340
		2341	source => filename returning the data (must be a scalar)
		2342	expensive => true == try to cache harder
		2343	filter => sub that processes the data into a scalar
		2344
		2345	=cut
		2346
		2347	sub cache {
		2348	my ($id, %arg) = @_;
		2349
		2350	aio_stat $arg{source}
		2351	and Carp::croak "$arg{source}: $!";
		2352
		2353	my $meta = join ":", (stat _)[7,9];
		2354	my $md5;
		2355
		2356	if ($arg{expensive}) {
		2357	0 <= aio_load $arg{source}, my $buf
		2358	or Carp::croak "$arg{source}: $!";
		2359
		2360	$md5 = Digest::MD5::md5_hex $buf;
		2361	}
		2362
		2363	my $dbmeta = db_get "$id/meta";
		2364	if ($dbmeta ne $meta) {
		2365	# changed, we need to process
		2366	} else {
		2367	# just fetch
		2368	}
		2369
		2370
2226	}	2371	}
2227		2372
2228	#############################################################################	2373	#############################################################################
2229	# the server's main()	2374	# the server's init and main functions
		2375
		2376	sub load_facedata($) {
		2377	my ($path) = @_;
		2378
		2379	warn "loading facedata from $path\n";
		2380
		2381	my $facedata;
		2382	0 < aio_load $path, $facedata
		2383	or die "$path: $!";
		2384
		2385	$facedata = Coro::Storable::thaw $facedata;
		2386
		2387	$facedata->{version} == 2
		2388	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2389
		2390	{
		2391	my $faces = $facedata->{faceinfo};
		2392
		2393	while (my ($face, $info) = each %$faces) {
		2394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2395	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2396	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2397	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2398	Coro::cede;
		2399	}
		2400
		2401	while (my ($face, $info) = each %$faces) {
		2402	next unless $info->{smooth};
		2403	my $idx = cf::face::find $face
		2404	or next;
		2405	if (my $smooth = cf::face::find $info->{smooth}) {
		2406	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2407	} else {
		2408	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2409	}
		2410	Coro::cede;
		2411	}
		2412	}
		2413
		2414	{
		2415	my $anims = $facedata->{animinfo};
		2416
		2417	while (my ($anim, $info) = each %$anims) {
		2418	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2419	Coro::cede;
		2420	}
		2421
		2422	cf::anim::invalidate_all; # d'oh
		2423	}
		2424
		2425	1
		2426	}
		2427
		2428	sub reload_facedata {
		2429	load_facedata sprintf "%s/facedata", cf::datadir
		2430	or die "unable to load facedata\n";
		2431	}
		2432
		2433	sub reload_regions {
		2434	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2435	or die "unable to load regions file\n";
		2436	}
		2437
		2438	sub reload_archetypes {
		2439	load_resource_file sprintf "%s/archetypes", cf::datadir
		2440	or die "unable to load archetypes\n";
		2441	}
		2442
		2443	sub reload_treasures {
		2444	load_resource_file sprintf "%s/treasures", cf::datadir
		2445	or die "unable to load treasurelists\n";
		2446	}
		2447
		2448	sub reload_resources {
		2449	warn "reloading resource files...\n";
		2450
		2451	reload_regions;
		2452	reload_facedata;
		2453	reload_archetypes;
		2454	reload_treasures;
		2455
		2456	warn "finished reloading resource files\n";
		2457	}
		2458
		2459	sub init {
		2460	reload_resources;
		2461	}
2230		2462
2231	sub cfg_load {	2463	sub cfg_load {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	2464	open my $fh, "<:utf8", cf::confdir . "/config"
2233	or return;	2465	or return;
2234		2466
…		…
2251		2483
2252	sub main {	2484	sub main {
2253	# we must not ever block the main coroutine	2485	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	2486	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2487	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2488	(async {
2256	async { Event::one_event };	2489	Event::one_event;
		2490	})->prio (Coro::PRIO_MAX);
2257	};	2491	};
2258		2492
2259	cfg_load;	2493	cfg_load;
2260	db_load;	2494	db_init;
2261	load_extensions;	2495	load_extensions;
		2496
		2497	$TICK_WATCHER->start;
2262	Event::loop;	2498	Event::loop;
2263	}	2499	}
2264		2500
2265	#############################################################################	2501	#############################################################################
2266	# initialisation and cleanup	2502	# initialisation and cleanup
2267		2503
2268	# install some emergency cleanup handlers	2504	# install some emergency cleanup handlers
2269	BEGIN {	2505	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	2506	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	2507	Event->signal (
		2508	reentrant => 0,
2272	data => WF_AUTOCANCEL,	2509	data => WF_AUTOCANCEL,
2273	signal => $signal,	2510	signal => $signal,
		2511	prio => 0,
2274	cb => sub {	2512	cb => sub {
2275	cf::cleanup "SIG$signal";	2513	cf::cleanup "SIG$signal";
2276	},	2514	},
2277	);	2515	);
2278	}	2516	}
2279	}	2517	}
…		…
2284	warn "enter emergency perl save\n";	2522	warn "enter emergency perl save\n";
2285		2523
2286	cf::sync_job {	2524	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	2525	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	2526	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	2527	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	2528	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	2529	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	2530	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	2531	$pl->valid or next;
2294	$pl->save;	2532	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	2538	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	2539	$map->valid or next;
2302	$map->save;	2540	$map->save;
2303	}	2541	}
2304	warn "end emergency map save\n";	2542	warn "end emergency map save\n";
		2543
		2544	warn "begin emergency database checkpoint\n";
		2545	BDB::db_env_txn_checkpoint $DB_ENV;
		2546	warn "end emergency database checkpoint\n";
2305	};	2547	};
2306		2548
2307	warn "leave emergency perl save\n";	2549	warn "leave emergency perl save\n";
2308	}	2550	}
2309		2551
		2552	sub post_cleanup {
		2553	my ($make_core) = @_;
		2554
		2555	warn Carp::longmess "post_cleanup backtrace"
		2556	if $make_core;
		2557	}
		2558
2310	sub reload() {	2559	sub do_reload_perl() {
2311	# can/must only be called in main	2560	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	2561	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	2562	warn "can only reload from main coroutine";
2314	return;	2563	return;
2315	}	2564	}
2316		2565
2317	warn "reloading...";	2566	warn "reloading...";
2318		2567
2319	warn "freezing server";	2568	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	2569
		2570	cf::sync_job {
		2571	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2572	cf::emergency_save;
		2573	cf::write_runtime; # external watchdog should not bark
2322		2574
2323	warn "sync database to disk";	2575	warn "syncing database to disk";
2324	cf::db_sync;	2576	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		2577
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved	2578	# if anything goes wrong in here, we should simply crash as we already saved
2329		2579
2330	warn "cancel all watchers";	2580	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	2581	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	2582	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	2583	}
2334		2584
		2585	warn "flushing outstanding aio requests";
		2586	for (;;) {
		2587	BDB::flush;
		2588	IO::AIO::flush;
		2589	Coro::cede;
		2590	last unless IO::AIO::nreqs || BDB::nreqs;
		2591	warn "iterate...";
		2592	}
		2593
		2594	++$RELOAD;
		2595
2335	warn "cancel all extension coros";	2596	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	2597	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	2598	%EXT_CORO = ();
2338		2599
2339	warn "remove commands";	2600	warn "removing commands";
2340	%COMMAND = ();	2601	%COMMAND = ();
2341		2602
2342	warn "remove ext commands";	2603	warn "removing ext commands";
2343	%EXTCMD = ();	2604	%EXTCMD = ();
2344		2605
2345	warn "unload/nuke all extensions";	2606	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	2607	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	2608	warn "... unloading $pkg";
2348		2609
2349	if (my $cb = $pkg->can ("unload")) {	2610	if (my $cb = $pkg->can ("unload")) {
2350	eval {	2611	eval {
…		…
2355		2616
2356	warn "... nuking $pkg";	2617	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	2618	Symbol::delete_package $pkg;
2358	}	2619	}
2359		2620
2360	warn "unload all perl modules loaded from $LIBDIR";	2621	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	2622	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2623	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		2624
2364	warn "removing <$k>";	2625	warn "... unloading $k";
2365	delete $INC{$k};	2626	delete $INC{$k};
2366		2627
2367	$k =~ s/\.pm$//;	2628	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	2629	$k =~ s/\//::/g;
2369		2630
…		…
2372	}	2633	}
2373		2634
2374	Symbol::delete_package $k;	2635	Symbol::delete_package $k;
2375	}	2636	}
2376		2637
2377	warn "get rid of safe::, as good as possible";	2638	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	2639	Symbol::delete_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2640	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		2641
2381	warn "unload cf.pm \"a bit\"";	2642	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	2643	delete $INC{"cf.pm"};
2383		2644
2384	# don't, removes xs symbols, too,	2645	# don't, removes xs symbols, too,
2385	# and global variables created in xs	2646	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	2647	#Symbol::delete_package __PACKAGE__;
2387		2648
		2649	warn "unload completed, starting to reload now";
		2650
2388	warn "reloading cf.pm";	2651	warn "reloading cf.pm";
2389	require cf;	2652	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2653	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		2654
2392	warn "load config and database again";	2655	warn "loading config and database again";
2393	cf::cfg_load;	2656	cf::cfg_load;
2394	cf::db_load;
2395		2657
2396	warn "load extensions";	2658	warn "loading extensions";
2397	cf::load_extensions;	2659	cf::load_extensions;
2398		2660
2399	warn "reattach attachments to objects/players";	2661	warn "reattaching attachments to objects/players";
2400	_global_reattach;	2662	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	2663	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	2664	reattach $_ for values %MAP;
2403	};	2665	warn "reattaching attachments to players";
		2666	reattach $_ for values %PLAYER;
2404		2667
2405	if ($@) {	2668	warn "leaving sync_job";
		2669
		2670	1
		2671	} or do {
2406	warn $@;	2672	warn $@;
2407	warn "error while reloading, exiting.";	2673	warn "error while reloading, exiting.";
2408	exit 1;	2674	exit 1;
2409	}	2675	};
2410		2676
2411	warn "reloaded";	2677	warn "reloaded";
2412	};	2678	};
2413		2679
2414	#############################################################################	2680	our $RELOAD_WATCHER; # used only during reload
2415		2681
2416	unless ($LINK_MAP) {	2682	sub reload_perl() {
2417	$LINK_MAP = cf::map::new;	2683	# doing reload synchronously and two reloads happen back-to-back,
		2684	# coro crashes during coro_state_free->destroy here.
2418		2685
2419	$LINK_MAP->width (41);	2686	$RELOAD_WATCHER ||= Event->timer (
2420	$LINK_MAP->height (41);	2687	reentrant => 0,
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,	2688	after => 0,
		2689	data => WF_AUTOCANCEL,
2429	cb => sub {	2690	cb => sub {
2430	$_[0]->w->cancel;	2691	do_reload_perl;
2431		2692	undef $RELOAD_WATCHER;
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	});	2693	},
2450		2694	);
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	2695	}
2456		2696
2457	register_command "reload" => sub {	2697	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	2698	my ($who, $arg) = @_;
2459		2699
2460	if ($who->flag (FLAG_WIZ)) {	2700	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	2701	$who->message ("reloading server.");
		2702	async { reload_perl };
2464	}	2703	}
2465	};	2704	};
2466		2705
2467	unshift @INC, $LIBDIR;	2706	unshift @INC, $LIBDIR;
		2707
		2708	my $bug_warning = 0;
		2709
		2710	our @WAIT_FOR_TICK;
		2711	our @WAIT_FOR_TICK_BEGIN;
		2712
		2713	sub wait_for_tick {
		2714	return unless $TICK_WATCHER->is_active;
		2715	return if $Coro::current == $Coro::main;
		2716
		2717	my $signal = new Coro::Signal;
		2718	push @WAIT_FOR_TICK, $signal;
		2719	$signal->wait;
		2720	}
		2721
		2722	sub wait_for_tick_begin {
		2723	return unless $TICK_WATCHER->is_active;
		2724	return if $Coro::current == $Coro::main;
		2725
		2726	my $signal = new Coro::Signal;
		2727	push @WAIT_FOR_TICK_BEGIN, $signal;
		2728	$signal->wait;
		2729	}
2468		2730
2469	$TICK_WATCHER = Event->timer (	2731	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	2732	reentrant => 0,
		2733	parked => 1,
2471	prio => 0,	2734	prio => 0,
2472	at => $NEXT_TICK || $TICK,	2735	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	2736	data => WF_AUTOCANCEL,
2474	cb => sub {	2737	cb => sub {
		2738	if ($Coro::current != $Coro::main) {
		2739	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2740	unless ++$bug_warning > 10;
		2741	return;
		2742	}
		2743
2475	$NOW = Event::time;	2744	$NOW = Event::time;
2476		2745
2477	cf::server_tick; # one server iteration	2746	cf::server_tick; # one server iteration
		2747
2478	$RUNTIME += $TICK;	2748	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	2749	$NEXT_TICK += $TICK;
2480		2750
2481	$WAIT_FOR_TICK->broadcast;	2751	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2752	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2753	Coro::async_pool {
		2754	write_runtime
		2755	or warn "ERROR: unable to write runtime file: $!";
		2756	};
		2757	}
		2758
		2759	# my $AFTER = Event::time;
		2760	# warn $AFTER - $NOW;#d#
2483		2761
2484	# if we are delayed by four ticks or more, skip them all	2762	# if we are delayed by four ticks or more, skip them all
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2763	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2486		2764
2487	$TICK_WATCHER->at ($NEXT_TICK);	2765	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	2766	$TICK_WATCHER->start;
		2767
		2768	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2769	$sig->send;
		2770	}
		2771	while (my $sig = shift @WAIT_FOR_TICK) {
		2772	$sig->send;
		2773	}
		2774
		2775	_post_tick;
2489	},	2776	},
2490	);	2777	);
2491		2778
		2779	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	2780	BDB::max_poll_time $TICK * 0.1;
2493		2781	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	2782	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	2783	fd => BDB::poll_fileno,
2496	poll => 'r',	2784	poll => 'r',
2497	prio => 5,	2785	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	2786	data => WF_AUTOCANCEL,
2504	after => 0,	2787	cb => \&BDB::poll_cb,
2505	interval => 10,	2788	);
2506	cb => sub {	2789	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	2790
2508	write_runtime	2791	BDB::set_sync_prepare {
2509	or warn "ERROR: unable to write runtime file: $!";	2792	my $status;
		2793	my $current = $Coro::current;
		2794	(
		2795	sub {
		2796	$status = $!;
		2797	$current->ready; undef $current;
		2798	},
		2799	sub {
		2800	Coro::schedule while defined $current;
		2801	$! = $status;
		2802	},
		2803	)
		2804	};
		2805
		2806	unless ($DB_ENV) {
		2807	$DB_ENV = BDB::db_env_create;
		2808
		2809	cf::sync_job {
		2810	eval {
		2811	BDB::db_env_open
		2812	$DB_ENV,
		2813	$BDB_ENV_DIR,
		2814	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2815	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2816	0666;
		2817
		2818	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2819
		2820	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2821	$DB_ENV->set_lk_detect;
		2822	};
		2823
		2824	cf::cleanup "db_env_open(db): $@" if $@;
2510	})->();	2825	};
2511	},	2826	}
2512	);	2827	}
		2828
		2829	{
		2830	IO::AIO::min_parallel 8;
		2831
		2832	undef $Coro::AIO::WATCHER;
		2833	IO::AIO::max_poll_time $TICK * 0.1;
		2834	$AIO_POLL_WATCHER = Event->io (
		2835	reentrant => 0,
		2836	data => WF_AUTOCANCEL,
		2837	fd => IO::AIO::poll_fileno,
		2838	poll => 'r',
		2839	prio => 6,
		2840	cb => \&IO::AIO::poll_cb,
		2841	);
		2842	}
		2843
		2844	# load additional modules
		2845	use cf::pod;
2513		2846
2514	END { cf::emergency_save }	2847	END { cf::emergency_save }
2515		2848
2516	1	2849	1
2517		2850

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