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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.164 by root, Thu Jan 11 01:24:25 2007 UTC vs.
Revision 1.252 by root, Wed Apr 18 15:28:18 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$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		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	59	our $LIBDIR = datadir . "/ext";
46		60
47	our $TICK = MAX_TIME * 1e-6;	61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	62	our $TICK_WATCHER;
		63	our $AIO_POLL_WATCHER;
		64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	65	our $NEXT_TICK;
50	our $NOW;	66	our $NOW;
		67	our $USE_FSYNC = 1; # use fsync to write maps - default off
		68
		69	our $BDB_POLL_WATCHER;
		70	our $DB_ENV;
51		71
52	our %CFG;	72	our %CFG;
53		73
54	our $UPTIME; $UPTIME ||= time;	74	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	75	our $RUNTIME;
56		76
57	our %PLAYER; # all users	77	our %PLAYER; # all users
58	our %MAP; # all maps	78	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	79	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";	80	our $RANDOM_MAPS = cf::localdir . "/random";
		81	our $BDB_ENV_DIR = cf::localdir . "/db";
61		82
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	83	# 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;	84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
64		85
65	binmode STDOUT;	86	binmode STDOUT;
66	binmode STDERR;	87	binmode STDERR;
67		88
68	# read virtual server time, if available	89	# read virtual server time, if available
…		…
75	mkdir cf::localdir;	96	mkdir cf::localdir;
76	mkdir cf::localdir . "/" . cf::playerdir;	97	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;	98	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;	99	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;	100	mkdir $RANDOM_MAPS;
		101	mkdir $BDB_ENV_DIR;
80		102
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	103	our $EMERGENCY_POSITION;
		104
		105	sub cf::map::normalise;
84		106
85	#############################################################################	107	#############################################################################
86		108
87	=head2 GLOBAL VARIABLES	109	=head2 GLOBAL VARIABLES
88		110
…		…
113	=item %cf::CFG	135	=item %cf::CFG
114		136
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	137	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	138	from wherever your confdir points to.
117		139
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	140	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		141
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	142	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	143	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	144	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		145
125	=back	146	=back
126		147
127	=cut	148	=cut
128		149
129	BEGIN {	150	BEGIN {
130	*CORE::GLOBAL::warn = sub {	151	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	152	my $msg = join "", @_;
132	utf8::encode $msg;
133		153
134	$msg .= "\n"	154	$msg .= "\n"
135	unless $msg =~ /\n$/;	155	unless $msg =~ /\n$/;
136		156
		157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		158
		159	utf8::encode $msg;
137	LOG llevError, $msg;	160	LOG llevError, $msg;
138	};	161	};
139	}	162	}
140		163
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	211	$d
189	} || "[unable to dump $_[0]: '$@']";	212	} || "[unable to dump $_[0]: '$@']";
190	}	213	}
191		214
192	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
193		216
194	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
195		218
196	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
197		220
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
206		222
207	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
208
209	=cut
210
211	sub to_json($) {
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
213	JSON::Syck::Dump $_[0]
214	}
215		224
216	=item cf::lock_wait $string	225	=item cf::lock_wait $string
217		226
218	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
219		228
…		…
256	}	265	}
257		266
258	sub freeze_mainloop {	267	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
260		269
261	my $guard = Coro::guard { $TICK_WATCHER->start };	270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
262	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
263	$guard	274	$guard
264	}	275	}
265		276
266	=item cf::async { BLOCK }	277	=item cf::async { BLOCK }
…		…
337		348
338	$coro	349	$coro
339	}	350	}
340		351
341	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
342	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
343		356
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345	or return;	358	or return;
346		359
		360	my $value = $cf::RUNTIME + 90 + 10;
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;	365	and return;
350		366
		367	# always fsync - this file is important
351	aio_fsync $fh	368	aio_fsync $fh
352	and return;	369	and return;
353		370
354	close $fh	371	close $fh
355	or return;	372	or return;
…		…
358	and return;	375	and return;
359		376
360	1	377	1
361	}	378	}
362		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
363	=back	391	=back
364		392
365	=cut	393	=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	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	sub unlink_save {
522	my ($self) = @_;
523
524	utf8::encode (my $save = $self->save_path);
525	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
526	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
527	}
528
529	package cf;
530		394
531	#############################################################################	395	#############################################################################
532		396
533	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
534		398
…		…
660	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
661	our @CB_MAP = ();	525	our @CB_MAP = ();
662		526
663	my %attachment;	527	my %attachment;
664		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
665	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
666	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
667		537
668	use sort 'stable';	538	use sort 'stable';
669		539
…		…
840	# object support	710	# object support
841		711
842	sub reattach {	712	sub reattach {
843	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
844	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
845		717
846	my $registry = $obj->registry;	718	my $registry = $obj->registry;
847		719
848	@$registry = ();	720	@$registry = ();
849		721
…		…
896	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
897		769
898	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
899	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
900	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
901	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	774	close $fh;
903		775
904	if (@$objs) {	776	if (@$objs) {
905	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
906	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
907	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
908	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
909	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
910	close $fh;	782	close $fh;
911	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
912	}	784	}
913	} else {	785	} else {
914	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
1036	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
1037	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
1038	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
1039	. "\n};\n1";	911	. "\n};\n1";
1040		912
1041	eval $source	913	unless (eval $source) {
1042	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
1043	: "extension disabled.\n";	915	: "extension disabled.\n";
		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		917	warn $@;
		918	warn "mandatory extension failed to load, exiting.\n";
		919	exit 1;
		920	}
		921	die $@;
		922	}
1044		923
1045	push @EXTS, $pkg;	924	push @EXTS, $pkg;
1046	}	925	}
1047		926
1048	sub load_extensions {	927	sub load_extensions {
…		…
1054	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1055	}	934	}
1056	}	935	}
1057		936
1058	#############################################################################	937	#############################################################################
1059	# load/save/clean perl data associated with a map
1060
1061	*cf::mapsupport::on_clean = sub {
1062	my ($map) = @_;
1063
1064	my $path = $map->tmpname;
1065	defined $path or return;
1066
1067	unlink "$path.pst";
1068	};
1069
1070	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1071
1072	#############################################################################
1073		938
1074	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1075		940
1076	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1077		942
…		…
1100	}	965	}
1101		966
1102	sub path($) {	967	sub path($) {
1103	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1104		969
1105	(playerdir $login) . "/$login.pl"	970	(playerdir $login) . "/playerdata"
1106	}	971	}
1107		972
1108	sub find_active($) {	973	sub find_active($) {
1109	$cf::PLAYER{$_[0]}	974	$cf::PLAYER{$_[0]}
1110	and $cf::PLAYER{$_[0]}->active	975	and $cf::PLAYER{$_[0]}->active
…		…
1113		978
1114	sub exists($) {	979	sub exists($) {
1115	my ($login) = @_;	980	my ($login) = @_;
1116		981
1117	$cf::PLAYER{$login}	982	$cf::PLAYER{$login}
1118	or cf::sync_job { !aio_stat $login }	983	or cf::sync_job { !aio_stat path $login }
1119	}	984	}
1120		985
1121	sub find($) {	986	sub find($) {
1122	return $cf::PLAYER{$_[0]} || do {	987	return $cf::PLAYER{$_[0]} || do {
1123	my $login = $_[0];	988	my $login = $_[0];
1124		989
1125	my $guard = cf::lock_acquire "user_find:$login";	990	my $guard = cf::lock_acquire "user_find:$login";
1126		991
1127	$cf::PLAYER{$_[0]} || do {	992	$cf::PLAYER{$_[0]} || do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
1128	my $pl = load_pl path $login	1000	my $pl = load_pl path $login
1129	or return;	1001	or return;
1130	$cf::PLAYER{$login} = $pl	1002	$cf::PLAYER{$login} = $pl
1131	}	1003	}
1132	}	1004	}
…		…
1169		1041
1170	=cut	1042	=cut
1171		1043
1172	sub quit_character {	1044	sub quit_character {
1173	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1174		1048
1175	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1176	$pl->password ("*"); # this should lock out the player until we nuked the dir	1050	$pl->password ("*"); # this should lock out the player until we nuked the dir
1177		1051
1178	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1183	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1184	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1185	aio_rename $path, $temp;	1059	aio_rename $path, $temp;
1186	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1187	$pl->destroy;	1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
1188	IO::AIO::aio_rmtree $temp;	1068	IO::AIO::aio_rmtree $temp;
		1069	}
		1070
		1071	=item $pl->kick
		1072
		1073	Kicks a player out of the game. This destroys the connection.
		1074
		1075	=cut
		1076
		1077	sub kick {
		1078	my ($pl, $kicker) = @_;
		1079
		1080	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1081	$pl->killer ("kicked");
		1082	$pl->ns->destroy;
1189	}	1083	}
1190		1084
1191	=item cf::player::list_logins	1085	=item cf::player::list_logins
1192		1086
1193	Returns am arrayref of all valid playernames in the system, can take a	1087	Returns am arrayref of all valid playernames in the system, can take a
…		…
1213	\@logins	1107	\@logins
1214	}	1108	}
1215		1109
1216	=item $player->maps	1110	=item $player->maps
1217		1111
1218	Returns an arrayref of cf::path's of all maps that are private for this	1112	Returns an arrayref of map paths that are private for this
1219	player. May block.	1113	player. May block.
1220		1114
1221	=cut	1115	=cut
1222		1116
1223	sub maps($) {	1117	sub maps($) {
1224	my ($pl) = @_;	1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
1225		1121
1226	my $files = aio_readdir playerdir $pl	1122	my $files = aio_readdir playerdir $pl
1227	or return;	1123	or return;
1228		1124
1229	my @paths;	1125	my @paths;
…		…
1231	for (@$files) {	1127	for (@$files) {
1232	utf8::decode $_;	1128	utf8::decode $_;
1233	next if /\.(?:pl|pst)$/;	1129	next if /\.(?:pl|pst)$/;
1234	next unless /^$PATH_SEP/o;	1130	next unless /^$PATH_SEP/o;
1235		1131
1236	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1132	push @paths, cf::map::normalise "~$pl/$_";
1237	}	1133	}
1238		1134
1239	\@paths	1135	\@paths
1240	}	1136	}
1241		1137
1242	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1243		1139
1244	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1245		1141
1246	=cut	1142	=cut
1247		1143
1248	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1249	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1250		1146
1251	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1252		1148
1253	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
1254	}	1150	}
1255		1151
1256	package cf;	1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	=head3 cf::region
		1165
		1166	=over 4
		1167
		1168	=cut
		1169
		1170	package cf::region;
		1171
		1172	=item cf::region::find_by_path $path
		1173
		1174	Tries to decuce the probable region for a map knowing only its path.
		1175
		1176	=cut
		1177
		1178	sub find_by_path($) {
		1179	my ($path) = @_;
		1180
		1181	my ($match, $specificity);
		1182
		1183	for my $region (list) {
		1184	if ($region->match && $path =~ $region->match) {
		1185	($match, $specificity) = ($region, $region->specificity)
		1186	if $region->specificity > $specificity;
		1187	}
		1188	}
		1189
		1190	$match
		1191	}
1257		1192
1258	=back	1193	=back
1259
1260		1194
1261	=head3 cf::map	1195	=head3 cf::map
1262		1196
1263	=over 4	1197	=over 4
1264		1198
…		…
1267	package cf::map;	1201	package cf::map;
1268		1202
1269	use Fcntl;	1203	use Fcntl;
1270	use Coro::AIO;	1204	use Coro::AIO;
1271		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1272	our $MAX_RESET = 3600;	1210	our $MAX_RESET = 3600;
1273	our $DEFAULT_RESET = 3000;	1211	our $DEFAULT_RESET = 3000;
1274		1212
1275	sub generate_random_map {	1213	sub generate_random_map {
1276	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1277
1278	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1279	cf::map::_create_random_map (	1216	$self->_create_random_map (
1280	$path,
1281	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1282	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1283	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1284	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1285	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
…		…
1290	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1291	(cf::region::find $rmp->{region}), $rmp->{custom}	1227	(cf::region::find $rmp->{region}), $rmp->{custom}
1292	)	1228	)
1293	}	1229	}
1294		1230
		1231	=item cf::map->register ($regex, $prio)
		1232
		1233	Register a handler for the map path matching the given regex at the
		1234	givne priority (higher is better, built-in handlers have priority 0, the
		1235	default).
		1236
		1237	=cut
		1238
		1239	sub register {
		1240	my (undef, $regex, $prio) = @_;
		1241	my $pkg = caller;
		1242
		1243	no strict;
		1244	push @{"$pkg\::ISA"}, __PACKAGE__;
		1245
		1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1247	}
		1248
		1249	# also paths starting with '/'
		1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1251
		1252	sub thawer_merge {
		1253	my ($self, $merge) = @_;
		1254
		1255	# we have to keep some variables in memory intact
		1256	local $self->{path};
		1257	local $self->{load_path};
		1258	local $self->{deny_save};
		1259	local $self->{deny_reset};
		1260
		1261	$self->SUPER::thawer_merge ($merge);
		1262	}
		1263
		1264	sub normalise {
		1265	my ($path, $base) = @_;
		1266
		1267	$path = "$path"; # make sure its a string
		1268
		1269	$path =~ s/\.map$//;
		1270
		1271	# map plan:
		1272	#
		1273	# /! non-realised random map exit (special hack!)
		1274	# {... are special paths that are not being touched
		1275	# ?xxx/... are special absolute paths
		1276	# ?random/... random maps
		1277	# /... normal maps
		1278	# ~user/... per-player map of a specific user
		1279
		1280	$path =~ s/$PATH_SEP/\//go;
		1281
		1282	# treat it as relative path if it starts with
		1283	# something that looks reasonable
		1284	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1285	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1286
		1287	$base =~ s{[^/]+/?$}{};
		1288	$path = "$base/$path";
		1289	}
		1290
		1291	for ($path) {
		1292	redo if s{//}{/};
		1293	redo if s{/\.?/}{/};
		1294	redo if s{/[^/]+/\.\./}{/};
		1295	}
		1296
		1297	$path
		1298	}
		1299
		1300	sub new_from_path {
		1301	my (undef, $path, $base) = @_;
		1302
		1303	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1304
		1305	$path = normalise $path, $base;
		1306
		1307	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1308	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1309	my $self = bless cf::map::new, $pkg;
		1310	$self->{path} = $path; $self->path ($path);
		1311	$self->init; # pass $1 etc.
		1312	return $self;
		1313	}
		1314	}
		1315
		1316	Carp::carp "unable to resolve path '$path' (base '$base').";
		1317	()
		1318	}
		1319
		1320	sub init {
		1321	my ($self) = @_;
		1322
		1323	$self
		1324	}
		1325
		1326	sub as_string {
		1327	my ($self) = @_;
		1328
		1329	"$self->{path}"
		1330	}
		1331
		1332	# the displayed name, this is a one way mapping
		1333	sub visible_name {
		1334	&as_string
		1335	}
		1336
		1337	# the original (read-only) location
		1338	sub load_path {
		1339	my ($self) = @_;
		1340
		1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1342	}
		1343
		1344	# the temporary/swap location
		1345	sub save_path {
		1346	my ($self) = @_;
		1347
		1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1350	}
		1351
		1352	# the unique path, undef == no special unique path
		1353	sub uniq_path {
		1354	my ($self) = @_;
		1355
		1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
		1358	}
		1359
1295	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1296	# all maps in C++...	1361	# all maps in C++...
1297	sub change_all_map_light {	1362	sub change_all_map_light {
1298	my ($change) = @_;	1363	my ($change) = @_;
1299		1364
1300	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1302	}	1367	}
1303		1368
		1369	sub unlink_save {
		1370	my ($self) = @_;
		1371
		1372	utf8::encode (my $save = $self->save_path);
		1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1374	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1375	}
		1376
1304	sub load_map_header($) {	1377	sub load_header_from($) {
1305	my ($path) = @_;	1378	my ($self, $path) = @_;
1306		1379
1307	utf8::encode $path;	1380	utf8::encode $path;
1308	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1309	or return;	1385	or return;
1310		1386
1311	my $map = cf::map::new	1387	$self->{load_path} = $path;
		1388
		1389	1
		1390	}
		1391
		1392	sub load_header_orig {
		1393	my ($self) = @_;
		1394
		1395	$self->load_header_from ($self->load_path)
		1396	}
		1397
		1398	sub load_header_temp {
		1399	my ($self) = @_;
		1400
		1401	$self->load_header_from ($self->save_path)
		1402	}
		1403
		1404	sub prepare_temp {
		1405	my ($self) = @_;
		1406
		1407	$self->last_access ((delete $self->{last_access})
		1408	|| $cf::RUNTIME); #d#
		1409	# safety
		1410	$self->{instantiate_time} = $cf::RUNTIME
		1411	if $self->{instantiate_time} > $cf::RUNTIME;
		1412	}
		1413
		1414	sub prepare_orig {
		1415	my ($self) = @_;
		1416
		1417	$self->{load_original} = 1;
		1418	$self->{instantiate_time} = $cf::RUNTIME;
		1419	$self->last_access ($cf::RUNTIME);
		1420	$self->instantiate;
		1421	}
		1422
		1423	sub load_header {
		1424	my ($self) = @_;
		1425
		1426	if ($self->load_header_temp) {
		1427	$self->prepare_temp;
		1428	} else {
		1429	$self->load_header_orig
1312	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1313		1433
1314	# for better error messages only, will be overwritten later	1434	$self->default_region (cf::region::find_by_path $self->{path})
1315	$map->path ($path);	1435	unless $self->default_region;
1316		1436
1317	$map->load_header ($path)	1437	1
1318	or return;
1319
1320	$map->{load_path} = $path;
1321
1322	$map
1323	}	1438	}
1324		1439
1325	sub find;	1440	sub find;
1326	sub find {	1441	sub find {
1327	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1328		1443
1329	#warn "find<$path,$origin>\n";#d#
1330
1331	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1332	my $key = $path->as_string;
1333		1445
1334	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1335		1447
1336	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1337	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1338		1450	my $map = new_from_path cf::map $path
1339	# do it the slow way
1340	my $map = $path->load_temp;
1341
1342	Coro::cede;
1343
1344	if ($map) {
1345	$map->last_access ((delete $map->{last_access})
1346	|| $cf::RUNTIME); #d#
1347	# safety
1348	$map->{instantiate_time} = $cf::RUNTIME
1349	if $map->{instantiate_time} > $cf::RUNTIME;
1350	} else {
1351	$map = $path->load_orig
1352	or return;	1451	or return;
1353		1452
1354	$map->{load_original} = 1;
1355	$map->{instantiate_time} = $cf::RUNTIME;
1356	$map->last_access ($cf::RUNTIME);
1357	$map->instantiate;
1358
1359	# per-player maps become, after loading, normal maps
1360	$map->per_player (0) if $path->{user_rel};
1361	}
1362
1363	$map->path ($key);
1364	$map->{path} = $path;
1365	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1366		1454
1367	Coro::cede;	1455	$map->load_header
		1456	or return;
1368		1457
1369	if ($map->should_reset) {	1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1459	# doing this can freeze the server in a sync job, obviously
		1460	#$cf::WAIT_FOR_TICK->wait;
1370	$map->reset;	1461	$map->reset;
1371	undef $guard;	1462	undef $guard;
1372	$map = find $path	1463	return find $path;
1373	or return;
1374	}	1464	}
1375		1465
1376	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1377	}	1467	}
1378	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1379		1472
1380	sub load {	1473	sub load {
1381	my ($self) = @_;	1474	my ($self) = @_;
1382		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1383	my $path = $self->{path};	1478	my $path = $self->{path};
1384	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1385		1480
1386	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1387		1482
1388	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1389		1484
1390	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488	Coro::cede;
		1489
1391	$self->load_objects ($self->{load_path}, 1)	1490	$self->_load_objects ($self->{load_path}, 1)
1392	or return;	1491	or return;
1393		1492
1394	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1395	if delete $self->{load_original};	1494	if delete $self->{load_original};
1396		1495
1397	if (my $uniq = $path->uniq_path) {	1496	if (my $uniq = $self->uniq_path) {
1398	utf8::encode $uniq;	1497	utf8::encode $uniq;
1399	if (aio_open $uniq, O_RDONLY, 0) {	1498	if (aio_open $uniq, O_RDONLY, 0) {
1400	$self->clear_unique_items;	1499	$self->clear_unique_items;
1401	$self->load_objects ($uniq, 0);	1500	$self->_load_objects ($uniq, 0);
1402	}	1501	}
1403	}	1502	}
1404		1503
1405	Coro::cede;	1504	Coro::cede;
1406
1407	# now do the right thing for maps	1505	# now do the right thing for maps
1408	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
		1507	Coro::cede;
1409		1508
1410	if ($self->{path}->is_style_map) {	1509	unless ($self->{deny_activate}) {
1411	$self->{deny_save} = 1;
1412	$self->{deny_reset} = 1;
1413	} else {
1414	$self->decay_objects;	1510	$self->decay_objects;
1415	$self->fix_auto_apply;	1511	$self->fix_auto_apply;
1416	$self->update_buttons;	1512	$self->update_buttons;
		1513	Coro::cede;
1417	$self->set_darkness_map;	1514	$self->set_darkness_map;
1418	$self->difficulty ($self->estimate_difficulty)	1515	$self->difficulty ($self->estimate_difficulty)
1419	unless $self->difficulty;	1516	unless $self->difficulty;
		1517	Coro::cede;
1420	$self->activate;	1518	$self->activate;
		1519	Coro::cede;
1421	}	1520	}
1422		1521
		1522	$self->post_load;
1423	Coro::cede;	1523	Coro::cede;
1424		1524
1425	$self->in_memory (cf::MAP_IN_MEMORY);	1525	$self->in_memory (cf::MAP_IN_MEMORY);
		1526	}
		1527
		1528	sub customise_for {
		1529	my ($self, $ob) = @_;
		1530
		1531	return find "~" . $ob->name . "/" . $self->{path}
		1532	if $self->per_player;
		1533
		1534	$self
1426	}	1535	}
1427		1536
1428	# find and load all maps in the 3x3 area around a map	1537	# find and load all maps in the 3x3 area around a map
1429	sub load_diag {	1538	sub load_diag {
1430	my ($map) = @_;	1539	my ($map) = @_;
…		…
1460		1569
1461	cf::sync_job { $map->load };	1570	cf::sync_job { $map->load };
1462	}	1571	}
1463		1572
1464	our %MAP_PREFETCH;	1573	our %MAP_PREFETCH;
1465	our $MAP_PREFETCHER = Coro::async {	1574	our $MAP_PREFETCHER = undef;
1466	while () {
1467	while (%MAP_PREFETCH) {
1468	my $key = each %MAP_PREFETCH
1469	or next;
1470	my $path = delete $MAP_PREFETCH{$key};
1471
1472	my $map = find $path
1473	or next;
1474	$map->load;
1475	}
1476	Coro::schedule;
1477	}
1478	};
1479		1575
1480	sub find_async {	1576	sub find_async {
1481	my ($path, $origin) = @_;	1577	my ($path, $origin) = @_;
1482		1578
1483	$path = new cf::path $path, $origin && $origin->path;	1579	$path = normalise $path, $origin && $origin->{path};
1484	my $key = $path->as_string;
1485		1580
1486	if (my $map = $cf::MAP{$key}) {	1581	if (my $map = $cf::MAP{$path}) {
1487	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1488	}	1583	}
1489		1584
1490	$MAP_PREFETCH{$key} = $path;	1585	undef $MAP_PREFETCH{$path};
		1586	$MAP_PREFETCHER ||= cf::async {
		1587	while (%MAP_PREFETCH) {
		1588	for my $path (keys %MAP_PREFETCH) {
		1589	my $map = find $path
		1590	or next;
		1591	$map->load;
		1592
		1593	delete $MAP_PREFETCH{$path};
		1594	}
		1595	}
		1596	undef $MAP_PREFETCHER;
		1597	};
1491	$MAP_PREFETCHER->ready;	1598	$MAP_PREFETCHER->prio (6);
1492		1599
1493	()	1600	()
1494	}	1601	}
1495		1602
1496	sub save {	1603	sub save {
…		…
1500		1607
1501	$self->{last_save} = $cf::RUNTIME;	1608	$self->{last_save} = $cf::RUNTIME;
1502		1609
1503	return unless $self->dirty;	1610	return unless $self->dirty;
1504		1611
1505	my $save = $self->{path}->save_path; utf8::encode $save;	1612	my $save = $self->save_path; utf8::encode $save;
1506	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1613	my $uniq = $self->uniq_path; utf8::encode $uniq;
1507		1614
1508	$self->{load_path} = $save;	1615	$self->{load_path} = $save;
1509		1616
1510	return if $self->{deny_save};	1617	return if $self->{deny_save};
1511		1618
…		…
1514	cf::async {	1621	cf::async {
1515	$_->contr->save for $self->players;	1622	$_->contr->save for $self->players;
1516	};	1623	};
1517		1624
1518	if ($uniq) {	1625	if ($uniq) {
1519	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1520	$self->save_objects ($uniq, cf::IO_UNIQUES);	1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1521	} else {	1628	} else {
1522	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1523	}	1630	}
1524	}	1631	}
1525		1632
1526	sub swap_out {	1633	sub swap_out {
1527	my ($self) = @_;	1634	my ($self) = @_;
…		…
1541		1648
1542	sub reset_at {	1649	sub reset_at {
1543	my ($self) = @_;	1650	my ($self) = @_;
1544		1651
1545	# TODO: safety, remove and allow resettable per-player maps	1652	# TODO: safety, remove and allow resettable per-player maps
1546	return 1e99 if $self->{path}{user_rel};	1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1547	return 1e99 if $self->{deny_reset};	1654	return 1e99 if $self->{deny_reset};
1548		1655
1549	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1550	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1551		1658
…		…
1556	my ($self) = @_;	1663	my ($self) = @_;
1557		1664
1558	$self->reset_at <= $cf::RUNTIME	1665	$self->reset_at <= $cf::RUNTIME
1559	}	1666	}
1560		1667
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->{path}->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	1668	sub reset {
1575	my ($self) = @_;	1669	my ($self) = @_;
1576		1670
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	1671	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		1672
1579	return if $self->players;	1673	return if $self->players;
1580	return if $self->{path}{user_rel};#d#	1674	return if $self->isa ("ext::map_per_player");#d#
1581		1675
1582	warn "resetting map ", $self->path;#d#	1676	warn "resetting map ", $self->path;#d#
1583		1677
		1678	$self->in_memory (cf::MAP_SWAPPED);
		1679
		1680	# need to save uniques path
		1681	unless ($self->{deny_save}) {
		1682	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1683
		1684	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1685	if $uniq;
		1686	}
		1687
1584	delete $cf::MAP{$self->path};	1688	delete $cf::MAP{$self->path};
1585		1689
		1690	$self->clear;
		1691
1586	$_->clear_links_to ($self) for values %cf::MAP;	1692	$_->clear_links_to ($self) for values %cf::MAP;
1587		1693
1588	$self->{path}->unlink_save;	1694	$self->unlink_save;
1589	$self->destroy;	1695	$self->destroy;
1590	}	1696	}
1591		1697
1592	my $nuke_counter = "aaaa";	1698	my $nuke_counter = "aaaa";
1593		1699
1594	sub nuke {	1700	sub nuke {
1595	my ($self) = @_;	1701	my ($self) = @_;
1596		1702
		1703	delete $cf::MAP{$self->path};
		1704
		1705	$self->unlink_save;
		1706
		1707	bless $self, "cf::map";
		1708	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	1709	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	1710	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1712
		1713	$cf::MAP{$self->path} = $self;
		1714
1600	$self->reset; # polite request, might not happen	1715	$self->reset; # polite request, might not happen
1601	}	1716	}
1602		1717
1603	sub customise_for {
1604	my ($map, $ob) = @_;
1605
1606	if ($map->per_player) {
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1608	}
1609
1610	$map
1611	}
1612
1613	=item cf::map::unique_maps	1718	=item cf::map::unique_maps
1614		1719
1615	Returns an arrayref of cf::path's of all shared maps that have	1720	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	1721	instantiated unique items. May block.
1617		1722
1618	=cut	1723	=cut
1619		1724
1620	sub unique_maps() {	1725	sub unique_maps() {
…		…
1626	for (@$files) {	1731	for (@$files) {
1627	utf8::decode $_;	1732	utf8::decode $_;
1628	next if /\.pst$/;	1733	next if /\.pst$/;
1629	next unless /^$PATH_SEP/o;	1734	next unless /^$PATH_SEP/o;
1630		1735
1631	push @paths, new cf::path $_;	1736	push @paths, cf::map::normalise $_;
1632	}	1737	}
1633		1738
1634	\@paths	1739	\@paths
1635	}	1740	}
1636		1741
…		…
1711		1816
1712	=item $player_object->enter_link	1817	=item $player_object->enter_link
1713		1818
1714	Freezes the player and moves him/her to a special map (C<{link}>).	1819	Freezes the player and moves him/her to a special map (C<{link}>).
1715		1820
1716	The player should be reaosnably safe there for short amounts of time. You	1821	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	1822	I<MUST> call C<leave_link> as soon as possible, though.
1718		1823
		1824	Will never block.
		1825
1719	=item $player_object->leave_link ($map, $x, $y)	1826	=item $player_object->leave_link ($map, $x, $y)
1720		1827
1721	Moves the player out of the specila link map onto the given map. If the	1828	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	1829	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	1830	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	1831	fails, to the emergency map position.
1725		1832
1726	Might block.	1833	Might block.
1727		1834
1728	=cut	1835	=cut
		1836
		1837	sub link_map {
		1838	unless ($LINK_MAP) {
		1839	$LINK_MAP = cf::map::find "{link}"
		1840	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1841	$LINK_MAP->load;
		1842	}
		1843
		1844	$LINK_MAP
		1845	}
1729		1846
1730	sub cf::object::player::enter_link {	1847	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1848	my ($self) = @_;
1732		1849
1733	$self->deactivate_recursive;	1850	$self->deactivate_recursive;
1734		1851
1735	return if $self->map == $LINK_MAP;	1852	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1853
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1855	if $self->map;
1739		1856
1740	$self->enter_map ($LINK_MAP, 20, 20);	1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1858	}
1742		1859
1743	sub cf::object::player::leave_link {	1860	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1861	my ($self, $map, $x, $y) = @_;
1745		1862
…		…
1767	$map->load;	1884	$map->load;
1768	$map->load_diag;	1885	$map->load_diag;
1769		1886
1770	return unless $self->contr->active;	1887	return unless $self->contr->active;
1771	$self->activate_recursive;	1888	$self->activate_recursive;
		1889
		1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	1891	$self->enter_map ($map, $x, $y);
1773	}	1892	}
1774		1893
1775	cf::player->attach (	1894	cf::player->attach (
1776	on_logout => sub {	1895	on_logout => sub {
…		…
1789	# try to abort aborted map switching on player login :)	1908	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes	1909	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {	1910	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;	1911	$pl->ob->enter_link;
1793	(async {	1912	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,	1913	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "	1914	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",	1915	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);	1916	cf::NDI_RED);
		1917	# we need this sleep as the login has a concurrent enter_exit running
		1918	# and this sleep increases chances of the player not ending up in scorn
1800	Coro::Timer::sleep 1;	1919	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;	1920	$pl->ob->leave_link;
1802	})->prio (2);	1921	})->prio (2);
1803	}	1922	}
1804	},	1923	},
…		…
1809	=cut	1928	=cut
1810		1929
1811	sub cf::object::player::goto {	1930	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	1931	my ($self, $path, $x, $y) = @_;
1813		1932
1814	$path = new cf::path $path;
1815
1816	$self->enter_link;	1933	$self->enter_link;
1817		1934
1818	(async {	1935	(async {
		1936	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	1937	my $map = cf::map::find $path;
1820	$map = $map->customise_for ($self) if $map;	1938	$map = $map->customise_for ($self) if $map;
1821		1939	$map
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	1940	} or
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1826		1942
1827	$self->leave_link ($map, $x, $y);	1943	$self->leave_link ($map, $x, $y);
1828	})->prio (1);	1944	})->prio (1);
1829	}	1945	}
1830		1946
…		…
1834		1950
1835	sub parse_random_map_params {	1951	sub parse_random_map_params {
1836	my ($spec) = @_;	1952	my ($spec) = @_;
1837		1953
1838	my $rmp = { # defaults	1954	my $rmp = { # defaults
1839	xsize => 10,	1955	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	1956	ysize => (cf::rndm 15, 40),
		1957	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1958	#layout => string,
1841	};	1959	};
1842		1960
1843	for (split /\n/, $spec) {	1961	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	1962	my ($k, $v) = split /\s+/, $_, 2;
1845		1963
…		…
1849	$rmp	1967	$rmp
1850	}	1968	}
1851		1969
1852	sub prepare_random_map {	1970	sub prepare_random_map {
1853	my ($exit) = @_;	1971	my ($exit) = @_;
		1972
		1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		1974
1855	# all this does is basically replace the /! path by	1975	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	1976	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	1977	# that depends on the exit object
1858		1978
1859	my $rmp = parse_random_map_params $exit->msg;	1979	my $rmp = parse_random_map_params $exit->msg;
1860		1980
1861	if ($exit->map) {	1981	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	1982	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	1983	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	1984	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	1985	$rmp->{origin_y} = $exit->y;
1866	}	1986	}
1867		1987
1868	$rmp->{random_seed} ||= $exit->random_seed;	1988	$rmp->{random_seed} ||= $exit->random_seed;
1869		1989
1870	my $data = cf::to_json $rmp;	1990	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	1991	my $md5 = Digest::MD5::md5_hex $data;
		1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1872		1993
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	1995	aio_write $fh, 0, (length $data), $data, 0;
		1996	undef $fh;
		1997	aio_rename "$meta~", $meta;
1875		1998
1876	$exit->slaying ("?random/$md5");	1999	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2000	$exit->msg (undef);
1878	}	2001	}
1879	}	2002	}
1880		2003
1881	sub cf::object::player::enter_exit {	2004	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2005	my ($self, $exit) = @_;
1883		2006
1884	return unless $self->type == cf::PLAYER;	2007	return unless $self->type == cf::PLAYER;
		2008
		2009	if ($exit->slaying eq "/!") {
		2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2011	# the problem is that $exit might not survive long enough
		2012	# so it needs to be done right now, right here
		2013	cf::sync_job { prepare_random_map $exit };
		2014	}
		2015
		2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2017	my $hp = $exit->stats->hp;
		2018	my $sp = $exit->stats->sp;
1885		2019
1886	$self->enter_link;	2020	$self->enter_link;
1887		2021
1888	(async {	2022	(async {
1889	$self->deactivate_recursive; # just to be sure	2023	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2024	unless (eval {
1891	prepare_random_map $exit	2025	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		2026
1897	1;	2027	1;
1898	}) {	2028	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2029	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	2030	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2031	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2032	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2033
1904	warn "ERROR in enter_exit: $@";	2034	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2035	$self->leave_link;
1906	}	2036	}
1907	})->prio (1);	2037	})->prio (1);
…		…
1920		2050
1921	sub cf::client::send_drawinfo {	2051	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2052	my ($self, $text, $flags) = @_;
1923		2053
1924	utf8::encode $text;	2054	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2056	}
1927		2057
		2058	=item $client->ext_event ($type, %msg)
		2059
		2060	Sends an exti event to the client.
		2061
		2062	=cut
		2063
		2064	sub cf::client::ext_event($$%) {
		2065	my ($self, $type, %msg) = @_;
		2066
		2067	$msg{msgtype} = "event_$type";
		2068	$self->send_packet ("ext " . cf::to_json \%msg);
		2069	}
1928		2070
1929	=item $success = $client->query ($flags, "text", \&cb)	2071	=item $success = $client->query ($flags, "text", \&cb)
1930		2072
1931	Queues a query to the client, calling the given callback with	2073	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1961	# get handled first	2103	# get handled first
1962	my $queue = delete $ns->{query_queue}	2104	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2105	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2106
1965	(shift @$queue)->[1]->($msg);	2107	(shift @$queue)->[1]->($msg);
		2108	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2109
1967	push @{ $ns->{query_queue} }, @$queue;	2110	push @{ $ns->{query_queue} }, @$queue;
1968		2111
1969	if (@{ $ns->{query_queue} } == @$queue) {	2112	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2113	if (@$queue) {
…		…
2028		2171
2029	# here we export the classes and methods available to script code	2172	# here we export the classes and methods available to script code
2030		2173
2031	=pod	2174	=pod
2032		2175
2033	The following fucntions and emthods are available within a safe environment:	2176	The following functions and methods are available within a safe environment:
2034		2177
2035	cf::object contr pay_amount pay_player map	2178	cf::object contr pay_amount pay_player map
2036	cf::object::player player	2179	cf::object::player player
2037	cf::player peaceful	2180	cf::player peaceful
2038	cf::map trigger	2181	cf::map trigger
…		…
2123	#############################################################################	2266	#############################################################################
2124		2267
2125	=head2 EXTENSION DATABASE SUPPORT	2268	=head2 EXTENSION DATABASE SUPPORT
2126		2269
2127	Crossfire maintains a very simple database for extension use. It can	2270	Crossfire maintains a very simple database for extension use. It can
2128	currently store anything that can be serialised using Storable, which	2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2129	excludes objects.	2272	convert to/from binary).
2130		2273
2131	The parameter C<$family> should best start with the name of the extension	2274	The parameter C<$family> should best start with the name of the extension
2132	using it, it should be unique.	2275	using it, it should be unique.
2133		2276
2134	=over 4	2277	=over 4
2135		2278
2136	=item $hashref = cf::db_get $family
2137
2138	Return a hashref for use by the extension C<$family>, which can be
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141
2142	=item $value = cf::db_get $family => $key	2279	=item $value = cf::db_get $family => $key
2143		2280
2144	Returns a single value from the database	2281	Returns a single value from the database.
2145
2146	=item cf::db_put $family => $hashref
2147
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150		2282
2151	=item cf::db_put $family => $key => $value	2283	=item cf::db_put $family => $key => $value
2152		2284
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you	2285	Stores the given C<$value> in the family.
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163		2286
2164	=cut	2287	=cut
2165		2288
2166	our $DB;	2289	our $DB;
2167		2290
2168	{	2291	sub db_init {
2169	my $path = cf::localdir . "/database.pst";	2292	unless ($DB) {
		2293	$DB = BDB::db_create $DB_ENV;
2170		2294
2171	sub db_load() {	2295	cf::sync_job {
2172	$DB = stat $path ? Storable::retrieve $path : { };	2296	eval {
2173	}	2297	$DB->set_flags (BDB::CHKSUM);
2174		2298
2175	my $pid;	2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2176		2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2177	sub db_save() {	2301	cf::cleanup "db_open(db): $!" if $!;
2178	waitpid $pid, 0 if $pid;	2302	};
2179	if (0 == ($pid = fork)) {	2303	cf::cleanup "db_open(db): $@" if $@;
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}	2304	};
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	2305	}
		2306	}
2197		2307
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}
2202
2203	sub db_get($;$) {	2308	sub db_get($$) {
2204	@_ >= 2	2309	my $key = "$_[0]/$_[1]";
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208		2310
		2311	cf::sync_job {
		2312	BDB::db_get $DB, undef, $key, my $data;
		2313
		2314	$! ? ()
		2315	: $data
		2316	}
		2317	}
		2318
2209	sub db_put($$;$) {	2319	sub db_put($$$) {
2210	if (@_ >= 3) {	2320	BDB::dbreq_pri 4;
2211	$DB->{$_[0]}{$_[1]} = $_[2];	2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2212	} else {	2322	}
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217		2323
2218	cf::global->attach (	2324	=item cf::cache $id => [$paths...], $processversion => $process
2219	prio => 10000,	2325
2220	on_cleanup => sub {	2326	Generic caching function that returns the value of the resource $id,
2221	db_sync;	2327	caching and regenerating as required.
		2328
		2329	This function can block.
		2330
		2331	=cut
		2332
		2333	sub cache {
		2334	my ($id, $src, $processversion, $process) = @_;
		2335
		2336	my $meta =
		2337	join "\x00",
		2338	$processversion,
		2339	map {
		2340	aio_stat $_
		2341	and Carp::croak "$_: $!";
		2342
		2343	($_, (stat _)[7,9])
		2344	} @$src;
		2345
		2346	my $dbmeta = db_get cache => "$id/meta";
		2347	if ($dbmeta ne $meta) {
		2348	# changed, we may need to process
		2349
		2350	my @data;
		2351	my $md5;
		2352
		2353	for (0 .. $#$src) {
		2354	0 <= aio_load $src->[$_], $data[$_]
		2355	or Carp::croak "$src->[$_]: $!";
2222	},	2356	}
2223	);	2357
		2358	# if processing is expensive, check
		2359	# checksum first
		2360	if (1) {
		2361	$md5 =
		2362	join "\x00",
		2363	$processversion,
		2364	map {
		2365	Coro::cede;
		2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2367	} 0.. $#$src;
		2368
		2369
		2370	my $dbmd5 = db_get cache => "$id/md5";
		2371	if ($dbmd5 eq $md5) {
		2372	db_put cache => "$id/meta", $meta;
		2373
		2374	return db_get cache => "$id/data";
		2375	}
		2376	}
		2377
		2378	my $data = $process->(\@data);
		2379
		2380	db_put cache => "$id/data", $data;
		2381	db_put cache => "$id/md5" , $md5;
		2382	db_put cache => "$id/meta", $meta;
		2383
		2384	return $data;
		2385	}
		2386
		2387	db_get cache => "$id/data"
2224	}	2388	}
		2389
		2390	=item fork_call { }, $args
		2391
		2392	Executes the given code block with the given arguments in a seperate
		2393	process, returning the results. Everything must be serialisable with
		2394	Coro::Storable. May, of course, block. Note that the executed sub may
		2395	never block itself or use any form of Event handling.
		2396
		2397	=cut
		2398
		2399	sub fork_call(&@) {
		2400	my ($cb, @args) = @_;
		2401
		2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2403	# or die "socketpair: $!";
		2404	pipe my $fh1, my $fh2
		2405	or die "pipe: $!";
		2406
		2407	if (my $pid = fork) {
		2408	close $fh2;
		2409
		2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2411	$res = Coro::Storable::thaw $res;
		2412
		2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2414
		2415	die $$res unless "ARRAY" eq ref $res;
		2416
		2417	return wantarray ? @$res : $res->[-1];
		2418	} else {
		2419	local $SIG{__WARN__};
		2420	eval {
		2421	local $SIG{__DIE__};
		2422	close $fh1;
		2423
		2424	my @res = eval { $cb->(@args) };
		2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2426	};
		2427
		2428	warn $@ if $@;
		2429	_exit 0;
		2430	}
		2431	}
		2432
		2433
2225		2434
2226	#############################################################################	2435	#############################################################################
2227	# the server's main()	2436	# the server's init and main functions
		2437
		2438	sub load_facedata($) {
		2439	my ($path) = @_;
		2440
		2441	warn "loading facedata from $path\n";
		2442
		2443	my $facedata;
		2444	0 < aio_load $path, $facedata
		2445	or die "$path: $!";
		2446
		2447	$facedata = Coro::Storable::thaw $facedata;
		2448
		2449	$facedata->{version} == 2
		2450	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2451
		2452	{
		2453	my $faces = $facedata->{faceinfo};
		2454
		2455	while (my ($face, $info) = each %$faces) {
		2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2460	Coro::cede;
		2461	}
		2462
		2463	while (my ($face, $info) = each %$faces) {
		2464	next unless $info->{smooth};
		2465	my $idx = cf::face::find $face
		2466	or next;
		2467	if (my $smooth = cf::face::find $info->{smooth}) {
		2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2469	} else {
		2470	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2471	}
		2472	Coro::cede;
		2473	}
		2474	}
		2475
		2476	{
		2477	my $anims = $facedata->{animinfo};
		2478
		2479	while (my ($anim, $info) = each %$anims) {
		2480	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2481	Coro::cede;
		2482	}
		2483
		2484	cf::anim::invalidate_all; # d'oh
		2485	}
		2486
		2487	1
		2488	}
		2489
		2490	sub reload_facedata {
		2491	load_facedata sprintf "%s/facedata", cf::datadir
		2492	or die "unable to load facedata\n";
		2493	}
		2494
		2495	sub reload_regions {
		2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2497	or die "unable to load regions file\n";
		2498	}
		2499
		2500	sub reload_archetypes {
		2501	load_resource_file sprintf "%s/archetypes", cf::datadir
		2502	or die "unable to load archetypes\n";
		2503	}
		2504
		2505	sub reload_treasures {
		2506	load_resource_file sprintf "%s/treasures", cf::datadir
		2507	or die "unable to load treasurelists\n";
		2508	}
		2509
		2510	sub reload_resources {
		2511	warn "reloading resource files...\n";
		2512
		2513	reload_regions;
		2514	reload_facedata;
		2515	reload_archetypes;
		2516	reload_treasures;
		2517
		2518	warn "finished reloading resource files\n";
		2519	}
		2520
		2521	sub init {
		2522	reload_resources;
		2523	}
2228		2524
2229	sub cfg_load {	2525	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2526	open my $fh, "<:utf8", cf::confdir . "/config"
2231	or return;	2527	or return;
2232		2528
…		…
2249		2545
2250	sub main {	2546	sub main {
2251	# we must not ever block the main coroutine	2547	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2548	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2550	(async {
2254	async { Event::one_event };	2551	Event::one_event;
		2552	})->prio (Coro::PRIO_MAX);
2255	};	2553	};
2256		2554
2257	cfg_load;	2555	cfg_load;
2258	db_load;	2556	db_init;
2259	load_extensions;	2557	load_extensions;
		2558
		2559	$TICK_WATCHER->start;
2260	Event::loop;	2560	Event::loop;
2261	}	2561	}
2262		2562
2263	#############################################################################	2563	#############################################################################
2264	# initialisation and cleanup	2564	# initialisation and cleanup
2265		2565
2266	# install some emergency cleanup handlers	2566	# install some emergency cleanup handlers
2267	BEGIN {	2567	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2568	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2569	Event->signal (
		2570	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2571	data => WF_AUTOCANCEL,
2271	signal => $signal,	2572	signal => $signal,
		2573	prio => 0,
2272	cb => sub {	2574	cb => sub {
2273	cf::cleanup "SIG$signal";	2575	cf::cleanup "SIG$signal";
2274	},	2576	},
2275	);	2577	);
2276	}	2578	}
2277	}	2579	}
…		…
2282	warn "enter emergency perl save\n";	2584	warn "enter emergency perl save\n";
2283		2585
2284	cf::sync_job {	2586	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	2587	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	2588	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	2589	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	2590	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	2591	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	2592	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	2593	$pl->valid or next;
2292	$pl->save;	2594	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	2600	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	2601	$map->valid or next;
2300	$map->save;	2602	$map->save;
2301	}	2603	}
2302	warn "end emergency map save\n";	2604	warn "end emergency map save\n";
		2605
		2606	warn "begin emergency database checkpoint\n";
		2607	BDB::db_env_txn_checkpoint $DB_ENV;
		2608	warn "end emergency database checkpoint\n";
2303	};	2609	};
2304		2610
2305	warn "leave emergency perl save\n";	2611	warn "leave emergency perl save\n";
2306	}	2612	}
2307		2613
		2614	sub post_cleanup {
		2615	my ($make_core) = @_;
		2616
		2617	warn Carp::longmess "post_cleanup backtrace"
		2618	if $make_core;
		2619	}
		2620
2308	sub reload() {	2621	sub do_reload_perl() {
2309	# can/must only be called in main	2622	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	2623	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	2624	warn "can only reload from main coroutine";
2312	return;	2625	return;
2313	}	2626	}
2314		2627
2315	warn "reloading...";	2628	warn "reloading...";
2316		2629
2317	warn "freezing server";	2630	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	2631
		2632	cf::sync_job {
		2633	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2634	cf::emergency_save;
		2635	cf::write_runtime; # external watchdog should not bark
2320		2636
2321	warn "sync database to disk";	2637	warn "syncing database to disk";
2322	cf::db_sync;	2638	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		2639
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	2640	# if anything goes wrong in here, we should simply crash as we already saved
2327		2641
2328	warn "cancel all watchers";	2642	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	2643	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	2645	}
2332		2646
		2647	warn "flushing outstanding aio requests";
		2648	for (;;) {
		2649	BDB::flush;
		2650	IO::AIO::flush;
		2651	Coro::cede;
		2652	last unless IO::AIO::nreqs || BDB::nreqs;
		2653	warn "iterate...";
		2654	}
		2655
		2656	++$RELOAD;
		2657
2333	warn "cancel all extension coros";	2658	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	2659	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	2660	%EXT_CORO = ();
2336		2661
2337	warn "remove commands";	2662	warn "removing commands";
2338	%COMMAND = ();	2663	%COMMAND = ();
2339		2664
2340	warn "remove ext commands";	2665	warn "removing ext commands";
2341	%EXTCMD = ();	2666	%EXTCMD = ();
2342		2667
2343	warn "unload/nuke all extensions";	2668	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	2669	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	2670	warn "... unloading $pkg";
2346		2671
2347	if (my $cb = $pkg->can ("unload")) {	2672	if (my $cb = $pkg->can ("unload")) {
2348	eval {	2673	eval {
…		…
2353		2678
2354	warn "... nuking $pkg";	2679	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	2680	Symbol::delete_package $pkg;
2356	}	2681	}
2357		2682
2358	warn "unload all perl modules loaded from $LIBDIR";	2683	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	2684	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		2686
2362	warn "removing <$k>";	2687	warn "... unloading $k";
2363	delete $INC{$k};	2688	delete $INC{$k};
2364		2689
2365	$k =~ s/\.pm$//;	2690	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	2691	$k =~ s/\//::/g;
2367		2692
…		…
2370	}	2695	}
2371		2696
2372	Symbol::delete_package $k;	2697	Symbol::delete_package $k;
2373	}	2698	}
2374		2699
2375	warn "get rid of safe::, as good as possible";	2700	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	2701	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		2703
2379	warn "unload cf.pm \"a bit\"";	2704	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	2705	delete $INC{"cf.pm"};
		2706	delete $INC{"cf/pod.pm"};
2381		2707
2382	# don't, removes xs symbols, too,	2708	# don't, removes xs symbols, too,
2383	# and global variables created in xs	2709	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	2710	#Symbol::delete_package __PACKAGE__;
2385		2711
		2712	warn "unload completed, starting to reload now";
		2713
2386	warn "reloading cf.pm";	2714	warn "reloading cf.pm";
2387	require cf;	2715	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2716	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		2717
2390	warn "load config and database again";	2718	warn "loading config and database again";
2391	cf::cfg_load;	2719	cf::cfg_load;
2392	cf::db_load;
2393		2720
2394	warn "load extensions";	2721	warn "loading extensions";
2395	cf::load_extensions;	2722	cf::load_extensions;
2396		2723
2397	warn "reattach attachments to objects/players";	2724	warn "reattaching attachments to objects/players";
2398	_global_reattach;	2725	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	2726	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	2727	reattach $_ for values %MAP;
2401	};	2728	warn "reattaching attachments to players";
		2729	reattach $_ for values %PLAYER;
2402		2730
2403	if ($@) {	2731	warn "leaving sync_job";
		2732
		2733	1
		2734	} or do {
2404	warn $@;	2735	warn $@;
2405	warn "error while reloading, exiting.";	2736	warn "error while reloading, exiting.";
2406	exit 1;	2737	exit 1;
2407	}	2738	};
2408		2739
2409	warn "reloaded";	2740	warn "reloaded";
2410	};	2741	};
2411		2742
2412	#############################################################################	2743	our $RELOAD_WATCHER; # used only during reload
2413		2744
2414	unless ($LINK_MAP) {	2745	sub reload_perl() {
2415	$LINK_MAP = cf::map::new;	2746	# doing reload synchronously and two reloads happen back-to-back,
		2747	# coro crashes during coro_state_free->destroy here.
2416		2748
2417	$LINK_MAP->width (41);	2749	$RELOAD_WATCHER ||= Event->timer (
2418	$LINK_MAP->height (41);	2750	reentrant => 0,
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,	2751	after => 0,
		2752	data => WF_AUTOCANCEL,
2427	cb => sub {	2753	cb => sub {
2428	$_[0]->w->cancel;	2754	do_reload_perl;
2429		2755	undef $RELOAD_WATCHER;
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});	2756	},
2448		2757	);
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	2758	}
2454		2759
2455	register_command "reload" => sub {	2760	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	2761	my ($who, $arg) = @_;
2457		2762
2458	if ($who->flag (FLAG_WIZ)) {	2763	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	2764	$who->message ("reloading server.");
		2765	async { reload_perl };
2462	}	2766	}
2463	};	2767	};
2464		2768
2465	unshift @INC, $LIBDIR;	2769	unshift @INC, $LIBDIR;
		2770
		2771	my $bug_warning = 0;
		2772
		2773	our @WAIT_FOR_TICK;
		2774	our @WAIT_FOR_TICK_BEGIN;
		2775
		2776	sub wait_for_tick {
		2777	return unless $TICK_WATCHER->is_active;
		2778	return if $Coro::current == $Coro::main;
		2779
		2780	my $signal = new Coro::Signal;
		2781	push @WAIT_FOR_TICK, $signal;
		2782	$signal->wait;
		2783	}
		2784
		2785	sub wait_for_tick_begin {
		2786	return unless $TICK_WATCHER->is_active;
		2787	return if $Coro::current == $Coro::main;
		2788
		2789	my $signal = new Coro::Signal;
		2790	push @WAIT_FOR_TICK_BEGIN, $signal;
		2791	$signal->wait;
		2792	}
2466		2793
2467	$TICK_WATCHER = Event->timer (	2794	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	2795	reentrant => 0,
		2796	parked => 1,
2469	prio => 0,	2797	prio => 0,
2470	at => $NEXT_TICK || $TICK,	2798	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	2799	data => WF_AUTOCANCEL,
2472	cb => sub {	2800	cb => sub {
		2801	if ($Coro::current != $Coro::main) {
		2802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2803	unless ++$bug_warning > 10;
		2804	return;
		2805	}
		2806
2473	$NOW = Event::time;	2807	$NOW = Event::time;
2474		2808
2475	cf::server_tick; # one server iteration	2809	cf::server_tick; # one server iteration
		2810
2476	$RUNTIME += $TICK;	2811	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	2812	$NEXT_TICK += $TICK;
2478		2813
2479	$WAIT_FOR_TICK->broadcast;	2814	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2815	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2816	Coro::async_pool {
		2817	write_runtime
		2818	or warn "ERROR: unable to write runtime file: $!";
		2819	};
		2820	}
		2821
		2822	# my $AFTER = Event::time;
		2823	# warn $AFTER - $NOW;#d#
2481		2824
2482	# if we are delayed by four ticks or more, skip them all	2825	# if we are delayed by four ticks or more, skip them all
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2826	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2484		2827
2485	$TICK_WATCHER->at ($NEXT_TICK);	2828	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;	2829	$TICK_WATCHER->start;
		2830
		2831	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2832	$sig->send;
		2833	}
		2834	while (my $sig = shift @WAIT_FOR_TICK) {
		2835	$sig->send;
		2836	}
		2837
		2838	_post_tick;
2487	},	2839	},
2488	);	2840	);
2489		2841
		2842	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	2843	BDB::max_poll_time $TICK * 0.1;
2491		2844	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	2845	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	2846	fd => BDB::poll_fileno,
2494	poll => 'r',	2847	poll => 'r',
2495	prio => 5,	2848	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	2849	data => WF_AUTOCANCEL,
2502	after => 0,	2850	cb => \&BDB::poll_cb,
2503	interval => 10,	2851	);
2504	cb => sub {	2852	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	2853
2506	write_runtime	2854	BDB::set_sync_prepare {
2507	or warn "ERROR: unable to write runtime file: $!";	2855	my $status;
		2856	my $current = $Coro::current;
		2857	(
		2858	sub {
		2859	$status = $!;
		2860	$current->ready; undef $current;
		2861	},
		2862	sub {
		2863	Coro::schedule while defined $current;
		2864	$! = $status;
		2865	},
		2866	)
		2867	};
		2868
		2869	unless ($DB_ENV) {
		2870	$DB_ENV = BDB::db_env_create;
		2871
		2872	cf::sync_job {
		2873	eval {
		2874	BDB::db_env_open
		2875	$DB_ENV,
		2876	$BDB_ENV_DIR,
		2877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2879	0666;
		2880
		2881	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2882
		2883	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2884	$DB_ENV->set_lk_detect;
		2885	};
		2886
		2887	cf::cleanup "db_env_open(db): $@" if $@;
2508	})->();	2888	};
2509	},	2889	}
2510	);	2890	}
		2891
		2892	{
		2893	IO::AIO::min_parallel 8;
		2894
		2895	undef $Coro::AIO::WATCHER;
		2896	IO::AIO::max_poll_time $TICK * 0.1;
		2897	$AIO_POLL_WATCHER = Event->io (
		2898	reentrant => 0,
		2899	data => WF_AUTOCANCEL,
		2900	fd => IO::AIO::poll_fileno,
		2901	poll => 'r',
		2902	prio => 6,
		2903	cb => \&IO::AIO::poll_cb,
		2904	);
		2905	}
		2906
		2907	# load additional modules
		2908	use cf::pod;
2511		2909
2512	END { cf::emergency_save }	2910	END { cf::emergency_save }
2513		2911
2514	1	2912	1
2515		2913

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