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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 1.252 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	$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		394
543	#############################################################################	395	#############################################################################
544		396
545	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
546		398
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	525	our @CB_MAP = ();
674		526
675	my %attachment;	527	my %attachment;
676		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
677	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
679		537
680	use sort 'stable';	538	use sort 'stable';
681		539
…		…
852	# object support	710	# object support
853		711
854	sub reattach {	712	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
856	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857		717
858	my $registry = $obj->registry;	718	my $registry = $obj->registry;
859		719
860	@$registry = ();	720	@$registry = ();
861		721
…		…
908	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
909		769
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
912	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
913	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
914	close $fh;	774	close $fh;
915		775
916	if (@$objs) {	776	if (@$objs) {
917	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) {
918	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
920	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
921	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
922	close $fh;	782	close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
924	}	784	}
925	} else {	785	} else {
926	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
1048	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
1051	. "\n};\n1";	911	. "\n};\n1";
1052		912
1053	eval $source	913	unless (eval $source) {
1054	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
1055	: "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	}
1056		923
1057	push @EXTS, $pkg;	924	push @EXTS, $pkg;
1058	}	925	}
1059		926
1060	sub load_extensions {	927	sub load_extensions {
…		…
1066	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1067	}	934	}
1068	}	935	}
1069		936
1070	#############################################################################	937	#############################################################################
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		938
1086	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1087		940
1088	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1089		942
…		…
1112	}	965	}
1113		966
1114	sub path($) {	967	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		969
1117	(playerdir $login) . "/$login.pl"	970	(playerdir $login) . "/playerdata"
1118	}	971	}
1119		972
1120	sub find_active($) {	973	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	974	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	975	and $cf::PLAYER{$_[0]}->active
…		…
1125		978
1126	sub exists($) {	979	sub exists($) {
1127	my ($login) = @_;	980	my ($login) = @_;
1128		981
1129	$cf::PLAYER{$login}	982	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	983	or cf::sync_job { !aio_stat path $login }
1131	}	984	}
1132		985
1133	sub find($) {	986	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	987	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	988	my $login = $_[0];
1136		989
1137	my $guard = cf::lock_acquire "user_find:$login";	990	my $guard = cf::lock_acquire "user_find:$login";
1138		991
1139	$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
1140	my $pl = load_pl path $login	1000	my $pl = load_pl path $login
1141	or return;	1001	or return;
1142	$cf::PLAYER{$login} = $pl	1002	$cf::PLAYER{$login} = $pl
1143	}	1003	}
1144	}	1004	}
…		…
1181		1041
1182	=cut	1042	=cut
1183		1043
1184	sub quit_character {	1044	sub quit_character {
1185	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1186		1048
1187	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1188	$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
1189		1051
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1195	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1059	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1199	$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
1200	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;
1201	}	1083	}
1202		1084
1203	=item cf::player::list_logins	1085	=item cf::player::list_logins
1204		1086
1205	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
…		…
1225	\@logins	1107	\@logins
1226	}	1108	}
1227		1109
1228	=item $player->maps	1110	=item $player->maps
1229		1111
1230	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
1231	player. May block.	1113	player. May block.
1232		1114
1233	=cut	1115	=cut
1234		1116
1235	sub maps($) {	1117	sub maps($) {
1236	my ($pl) = @_;	1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1121
1238	my $files = aio_readdir playerdir $pl	1122	my $files = aio_readdir playerdir $pl
1239	or return;	1123	or return;
1240		1124
1241	my @paths;	1125	my @paths;
…		…
1243	for (@$files) {	1127	for (@$files) {
1244	utf8::decode $_;	1128	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1129	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1130	next unless /^$PATH_SEP/o;
1247		1131
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1132	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1133	}
1250		1134
1251	\@paths	1135	\@paths
1252	}	1136	}
1253		1137
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1255		1139
1256	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1257		1141
1258	=cut	1142	=cut
1259		1143
1260	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1262		1146
1263	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1264		1148
1265	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
1266	}	1150	}
1267		1151
1268	package cf;	1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		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	}
1269		1192
1270	=back	1193	=back
1271
1272		1194
1273	=head3 cf::map	1195	=head3 cf::map
1274		1196
1275	=over 4	1197	=over 4
1276		1198
…		…
1279	package cf::map;	1201	package cf::map;
1280		1202
1281	use Fcntl;	1203	use Fcntl;
1282	use Coro::AIO;	1204	use Coro::AIO;
1283		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1284	our $MAX_RESET = 3600;	1210	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1211	our $DEFAULT_RESET = 3000;
1286		1212
1287	sub generate_random_map {	1213	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1216	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1227	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1228	)
1305	}	1229	}
1306		1230
		1231	=item cf::map->register ($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, $path
		1358	}
		1359
1307	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1308	# all maps in C++...	1361	# all maps in C++...
1309	sub change_all_map_light {	1362	sub change_all_map_light {
1310	my ($change) = @_;	1363	my ($change) = @_;
1311		1364
1312	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1314	}	1367	}
1315		1368
		1369	sub unlink_save {
		1370	my ($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
1316	sub load_map_header($) {	1377	sub load_header_from($) {
1317	my ($path) = @_;	1378	my ($self, $path) = @_;
1318		1379
1319	utf8::encode $path;	1380	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1321	or return;	1385	or return;
1322		1386
1323	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
1324	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1325		1433
1326	# for better error messages only, will be overwritten later	1434	$self->default_region (cf::region::find_by_path $self->{path})
1327	$map->path ($path);	1435	unless $self->default_region;
1328		1436
1329	$map->load_header ($path)	1437	1
1330	or return;
1331
1332	$map->{load_path} = $path;
1333
1334	$map
1335	}	1438	}
1336		1439
1337	sub find;	1440	sub find;
1338	sub find {	1441	sub find {
1339	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1340		1443
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1445
1346	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1347		1447
1348	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1350		1450	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;	1451	or return;
1365		1452
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;	1453	$map->{last_save} = $cf::RUNTIME;
1378		1454
1379	Coro::cede;	1455	$map->load_header
		1456	or return;
1380		1457
1381	if ($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;
1382	$map->reset;	1461	$map->reset;
1383	undef $guard;	1462	undef $guard;
1384	$map = find $path	1463	return find $path;
1385	or return;
1386	}	1464	}
1387		1465
1388	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1389	}	1467	}
1390	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1391		1472
1392	sub load {	1473	sub load {
1393	my ($self) = @_;	1474	my ($self) = @_;
1394		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1395	my $path = $self->{path};	1478	my $path = $self->{path};
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1397		1480
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1482
1400	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1401		1484
1402	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488	Coro::cede;
		1489
1403	$self->load_objects ($self->{load_path}, 1)	1490	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1491	or return;
1405		1492
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1494	if delete $self->{load_original};
1408		1495
1409	if (my $uniq = $path->uniq_path) {	1496	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1497	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1498	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1499	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1500	$self->_load_objects ($uniq, 0);
1414	}	1501	}
1415	}	1502	}
1416		1503
1417	Coro::cede;	1504	Coro::cede;
1418
1419	# now do the right thing for maps	1505	# now do the right thing for maps
1420	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
		1507	Coro::cede;
1421		1508
1422	if ($self->{path}->is_style_map) {	1509	unless ($self->{deny_activate}) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;	1510	$self->decay_objects;
1427	$self->fix_auto_apply;	1511	$self->fix_auto_apply;
1428	$self->update_buttons;	1512	$self->update_buttons;
		1513	Coro::cede;
1429	$self->set_darkness_map;	1514	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	1515	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1516	unless $self->difficulty;
		1517	Coro::cede;
1432	$self->activate;	1518	$self->activate;
		1519	Coro::cede;
1433	}	1520	}
1434		1521
		1522	$self->post_load;
1435	Coro::cede;	1523	Coro::cede;
1436		1524
1437	$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	$self
1438	}	1535	}
1439		1536
1440	# find and load all maps in the 3x3 area around a map	1537	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1538	sub load_diag {
1442	my ($map) = @_;	1539	my ($map) = @_;
…		…
1472		1569
1473	cf::sync_job { $map->load };	1570	cf::sync_job { $map->load };
1474	}	1571	}
1475		1572
1476	our %MAP_PREFETCH;	1573	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = Coro::async {	1574	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	$map->load;
1487	}
1488	Coro::schedule;
1489	}
1490	};
1491		1575
1492	sub find_async {	1576	sub find_async {
1493	my ($path, $origin) = @_;	1577	my ($path, $origin) = @_;
1494		1578
1495	$path = new cf::path $path, $origin && $origin->path;	1579	$path = normalise $path, $origin && $origin->{path};
1496	my $key = $path->as_string;
1497		1580
1498	if (my $map = $cf::MAP{$key}) {	1581	if (my $map = $cf::MAP{$path}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}	1583	}
1501		1584
1502	$MAP_PREFETCH{$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	};
1503	$MAP_PREFETCHER->ready;	1598	$MAP_PREFETCHER->prio (6);
1504		1599
1505	()	1600	()
1506	}	1601	}
1507		1602
1508	sub save {	1603	sub save {
…		…
1512		1607
1513	$self->{last_save} = $cf::RUNTIME;	1608	$self->{last_save} = $cf::RUNTIME;
1514		1609
1515	return unless $self->dirty;	1610	return unless $self->dirty;
1516		1611
1517	my $save = $self->{path}->save_path; utf8::encode $save;	1612	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1613	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		1614
1520	$self->{load_path} = $save;	1615	$self->{load_path} = $save;
1521		1616
1522	return if $self->{deny_save};	1617	return if $self->{deny_save};
1523		1618
…		…
1526	cf::async {	1621	cf::async {
1527	$_->contr->save for $self->players;	1622	$_->contr->save for $self->players;
1528	};	1623	};
1529		1624
1530	if ($uniq) {	1625	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	1628	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	1630	}
1536	}	1631	}
1537		1632
1538	sub swap_out {	1633	sub swap_out {
1539	my ($self) = @_;	1634	my ($self) = @_;
…		…
1553		1648
1554	sub reset_at {	1649	sub reset_at {
1555	my ($self) = @_;	1650	my ($self) = @_;
1556		1651
1557	# TODO: safety, remove and allow resettable per-player maps	1652	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};	1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1559	return 1e99 if $self->{deny_reset};	1654	return 1e99 if $self->{deny_reset};
1560		1655
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		1658
…		…
1568	my ($self) = @_;	1663	my ($self) = @_;
1569		1664
1570	$self->reset_at <= $cf::RUNTIME	1665	$self->reset_at <= $cf::RUNTIME
1571	}	1666	}
1572		1667
1573	sub rename {
1574	my ($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	$self->save;
1584	}
1585
1586	sub reset {	1668	sub reset {
1587	my ($self) = @_;	1669	my ($self) = @_;
1588		1670
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	1671	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		1672
1591	return if $self->players;	1673	return if $self->players;
1592	return if $self->{path}{user_rel};#d#	1674	return if $self->isa ("ext::map_per_player");#d#
1593		1675
1594	warn "resetting map ", $self->path;#d#	1676	warn "resetting map ", $self->path;#d#
1595		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
1596	delete $cf::MAP{$self->path};	1688	delete $cf::MAP{$self->path};
1597		1689
		1690	$self->clear;
		1691
1598	$_->clear_links_to ($self) for values %cf::MAP;	1692	$_->clear_links_to ($self) for values %cf::MAP;
1599		1693
1600	$self->{path}->unlink_save;	1694	$self->unlink_save;
1601	$self->destroy;	1695	$self->destroy;
1602	}	1696	}
1603		1697
1604	my $nuke_counter = "aaaa";	1698	my $nuke_counter = "aaaa";
1605		1699
1606	sub nuke {	1700	sub nuke {
1607	my ($self) = @_;	1701	my ($self) = @_;
1608		1702
		1703	delete $cf::MAP{$self->path};
		1704
		1705	$self->unlink_save;
		1706
		1707	bless $self, "cf::map";
		1708	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	1709	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	1710	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1712
		1713	$cf::MAP{$self->path} = $self;
		1714
1612	$self->reset; # polite request, might not happen	1715	$self->reset; # polite request, might not happen
1613	}	1716	}
1614		1717
1615	=item cf::map::unique_maps	1718	=item cf::map::unique_maps
1616		1719
1617	Returns an arrayref of cf::path's of all shared maps that have	1720	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	1721	instantiated unique items. May block.
1619		1722
1620	=cut	1723	=cut
1621		1724
1622	sub unique_maps() {	1725	sub unique_maps() {
…		…
1628	for (@$files) {	1731	for (@$files) {
1629	utf8::decode $_;	1732	utf8::decode $_;
1630	next if /\.pst$/;	1733	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;	1734	next unless /^$PATH_SEP/o;
1632		1735
1633	push @paths, new cf::path $_;	1736	push @paths, cf::map::normalise $_;
1634	}	1737	}
1635		1738
1636	\@paths	1739	\@paths
1637	}	1740	}
1638		1741
…		…
1713		1816
1714	=item $player_object->enter_link	1817	=item $player_object->enter_link
1715		1818
1716	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}>).
1717		1820
1718	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
1719	I<MUST> call C<leave_link> as soon as possible, though.	1822	I<MUST> call C<leave_link> as soon as possible, though.
1720		1823
		1824	Will never block.
		1825
1721	=item $player_object->leave_link ($map, $x, $y)	1826	=item $player_object->leave_link ($map, $x, $y)
1722		1827
1723	Moves the player out of the specila link map onto the given map. If the	1828	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	1829	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	1830	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	1831	fails, to the emergency map position.
1727		1832
1728	Might block.	1833	Might block.
1729		1834
1730	=cut	1835	=cut
		1836
		1837	sub link_map {
		1838	unless ($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	$LINK_MAP
		1845	}
1731		1846
1732	sub cf::object::player::enter_link {	1847	sub cf::object::player::enter_link {
1733	my ($self) = @_;	1848	my ($self) = @_;
1734		1849
1735	$self->deactivate_recursive;	1850	$self->deactivate_recursive;
1736		1851
1737	return if $self->map == $LINK_MAP;	1852	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		1853
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	1855	if $self->map;
1741		1856
1742	$self->enter_map ($LINK_MAP, 20, 20);	1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	1858	}
1744		1859
1745	sub cf::object::player::leave_link {	1860	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	1861	my ($self, $map, $x, $y) = @_;
1747		1862
…		…
1769	$map->load;	1884	$map->load;
1770	$map->load_diag;	1885	$map->load_diag;
1771		1886
1772	return unless $self->contr->active;	1887	return unless $self->contr->active;
1773	$self->activate_recursive;	1888	$self->activate_recursive;
		1889
		1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	1891	$self->enter_map ($map, $x, $y);
1775	}	1892	}
1776		1893
1777	cf::player->attach (	1894	cf::player->attach (
1778	on_logout => sub {	1895	on_logout => sub {
…		…
1791	# try to abort aborted map switching on player login :)	1908	# try to abort aborted map switching on player login :)
1792	# should happen only on crashes	1909	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {	1910	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;	1911	$pl->ob->enter_link;
1795	(async {	1912	(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,	1913	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "	1914	"There was an internal problem at your last logout, "
1800	. "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.",
1801	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
1802	Coro::Timer::sleep 1;	1919	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;	1920	$pl->ob->leave_link;
1804	})->prio (2);	1921	})->prio (2);
1805	}	1922	}
1806	},	1923	},
…		…
1811	=cut	1928	=cut
1812		1929
1813	sub cf::object::player::goto {	1930	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	1931	my ($self, $path, $x, $y) = @_;
1815		1932
1816	$path = new cf::path $path;
1817
1818	$self->enter_link;	1933	$self->enter_link;
1819		1934
1820	(async {	1935	(async {
		1936	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	1937	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;	1938	$map = $map->customise_for ($self) if $map;
1823		1939	$map
1824	# warn "entering ", $map->path, " at ($x, $y)\n"	1940	} or
1825	# if $map;
1826
1827	$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);
1828		1942
1829	$self->leave_link ($map, $x, $y);	1943	$self->leave_link ($map, $x, $y);
1830	})->prio (1);	1944	})->prio (1);
1831	}	1945	}
1832		1946
…		…
1836		1950
1837	sub parse_random_map_params {	1951	sub parse_random_map_params {
1838	my ($spec) = @_;	1952	my ($spec) = @_;
1839		1953
1840	my $rmp = { # defaults	1954	my $rmp = { # defaults
1841	xsize => 10,	1955	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	1956	ysize => (cf::rndm 15, 40),
		1957	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1958	#layout => string,
1843	};	1959	};
1844		1960
1845	for (split /\n/, $spec) {	1961	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	1962	my ($k, $v) = split /\s+/, $_, 2;
1847		1963
…		…
1851	$rmp	1967	$rmp
1852	}	1968	}
1853		1969
1854	sub prepare_random_map {	1970	sub prepare_random_map {
1855	my ($exit) = @_;	1971	my ($exit) = @_;
		1972
		1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		1974
1857	# all this does is basically replace the /! path by	1975	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	1976	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	1977	# that depends on the exit object
1860		1978
1861	my $rmp = parse_random_map_params $exit->msg;	1979	my $rmp = parse_random_map_params $exit->msg;
1862		1980
1863	if ($exit->map) {	1981	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	1982	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	1983	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	1984	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	1985	$rmp->{origin_y} = $exit->y;
1868	}	1986	}
1869		1987
1870	$rmp->{random_seed} ||= $exit->random_seed;	1988	$rmp->{random_seed} ||= $exit->random_seed;
1871		1989
1872	my $data = cf::to_json $rmp;	1990	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	1991	my $md5 = Digest::MD5::md5_hex $data;
		1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1874		1993
1875	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) {
1876	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;
1877		1998
1878	$exit->slaying ("?random/$md5");	1999	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2000	$exit->msg (undef);
1880	}	2001	}
1881	}	2002	}
1882		2003
1883	sub cf::object::player::enter_exit {	2004	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2005	my ($self, $exit) = @_;
1885		2006
1886	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;
1887		2019
1888	$self->enter_link;	2020	$self->enter_link;
1889		2021
1890	(async {	2022	(async {
1891	$self->deactivate_recursive; # just to be sure	2023	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	2024	unless (eval {
1893	prepare_random_map $exit	2025	$self->goto ($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		2026
1899	1;	2027	1;
1900	}) {	2028	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2029	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "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. "
1903	. "Please report this to the dungeon master!",	2031	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2032	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2033
1906	warn "ERROR in enter_exit: $@";	2034	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2035	$self->leave_link;
1908	}	2036	}
1909	})->prio (1);	2037	})->prio (1);
…		…
1922		2050
1923	sub cf::client::send_drawinfo {	2051	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2052	my ($self, $text, $flags) = @_;
1925		2053
1926	utf8::encode $text;	2054	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2056	}
1929		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	}
1930		2070
1931	=item $success = $client->query ($flags, "text", \&cb)	2071	=item $success = $client->query ($flags, "text", \&cb)
1932		2072
1933	Queues a query to the client, calling the given callback with	2073	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>,	2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1963	# get handled first	2103	# get handled first
1964	my $queue = delete $ns->{query_queue}	2104	my $queue = delete $ns->{query_queue}
1965	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
1966		2106
1967	(shift @$queue)->[1]->($msg);	2107	(shift @$queue)->[1]->($msg);
		2108	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2109
1969	push @{ $ns->{query_queue} }, @$queue;	2110	push @{ $ns->{query_queue} }, @$queue;
1970		2111
1971	if (@{ $ns->{query_queue} } == @$queue) {	2112	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2113	if (@$queue) {
…		…
2030		2171
2031	# here we export the classes and methods available to script code	2172	# here we export the classes and methods available to script code
2032		2173
2033	=pod	2174	=pod
2034		2175
2035	The following fucntions and emthods are available within a safe environment:	2176	The following functions and methods are available within a safe environment:
2036		2177
2037	cf::object contr pay_amount pay_player map	2178	cf::object contr pay_amount pay_player map
2038	cf::object::player player	2179	cf::object::player player
2039	cf::player peaceful	2180	cf::player peaceful
2040	cf::map trigger	2181	cf::map trigger
…		…
2125	#############################################################################	2266	#############################################################################
2126		2267
2127	=head2 EXTENSION DATABASE SUPPORT	2268	=head2 EXTENSION DATABASE SUPPORT
2128		2269
2129	Crossfire maintains a very simple database for extension use. It can	2270	Crossfire maintains a very simple database for extension use. It can
2130	currently store anything that can be serialised using Storable, which	2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2131	excludes objects.	2272	convert to/from binary).
2132		2273
2133	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
2134	using it, it should be unique.	2275	using it, it should be unique.
2135		2276
2136	=over 4	2277	=over 4
2137		2278
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	2279	=item $value = cf::db_get $family => $key
2145		2280
2146	Returns a single value from the database	2281	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		2282
2153	=item cf::db_put $family => $key => $value	2283	=item cf::db_put $family => $key => $value
2154		2284
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you	2285	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		2286
2166	=cut	2287	=cut
2167		2288
2168	our $DB;	2289	our $DB;
2169		2290
2170	{	2291	sub db_init {
2171	my $path = cf::localdir . "/database.pst";	2292	unless ($DB) {
		2293	$DB = BDB::db_create $DB_ENV;
2172		2294
2173	sub db_load() {	2295	cf::sync_job {
2174	$DB = stat $path ? Storable::retrieve $path : { };	2296	eval {
2175	}	2297	$DB->set_flags (BDB::CHKSUM);
2176		2298
2177	my $pid;	2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2178		2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2179	sub db_save() {	2301	cf::cleanup "db_open(db): $!" if $!;
2180	waitpid $pid, 0 if $pid;	2302	};
2181	if (0 == ($pid = fork)) {	2303	cf::cleanup "db_open(db): $@" if $@;
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}	2304	};
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	});	2305	}
		2306	}
2199		2307
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}
2204
2205	sub db_get($;$) {	2308	sub db_get($$) {
2206	@_ >= 2	2309	my $key = "$_[0]/$_[1]";
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210		2310
		2311	cf::sync_job {
		2312	BDB::db_get $DB, undef, $key, my $data;
		2313
		2314	$! ? ()
		2315	: $data
		2316	}
		2317	}
		2318
2211	sub db_put($$;$) {	2319	sub db_put($$$) {
2212	if (@_ >= 3) {	2320	BDB::dbreq_pri 4;
2213	$DB->{$_[0]}{$_[1]} = $_[2];	2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2214	} else {	2322	}
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219		2323
2220	cf::global->attach (	2324	=item cf::cache $id => [$paths...], $processversion => $process
2221	prio => 10000,	2325
2222	on_cleanup => sub {	2326	Generic caching function that returns the value of the resource $id,
2223	db_sync;	2327	caching and regenerating as required.
		2328
		2329	This function can block.
		2330
		2331	=cut
		2332
		2333	sub cache {
		2334	my ($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 "$src->[$_]: $!";
2224	},	2356	}
2225	);	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"
2226	}	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 $@;
		2429	_exit 0;
		2430	}
		2431	}
		2432
		2433
2227		2434
2228	#############################################################################	2435	#############################################################################
2229	# the server's main()	2436	# the server's init and main functions
		2437
		2438	sub load_facedata($) {
		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	}
2230		2524
2231	sub cfg_load {	2525	sub cfg_load {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	2526	open my $fh, "<:utf8", cf::confdir . "/config"
2233	or return;	2527	or return;
2234		2528
…		…
2251		2545
2252	sub main {	2546	sub main {
2253	# we must not ever block the main coroutine	2547	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	2548	local $Coro::idle = sub {
2255	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 {
2256	async { Event::one_event };	2551	Event::one_event;
		2552	})->prio (Coro::PRIO_MAX);
2257	};	2553	};
2258		2554
2259	cfg_load;	2555	cfg_load;
2260	db_load;	2556	db_init;
2261	load_extensions;	2557	load_extensions;
		2558
		2559	$TICK_WATCHER->start;
2262	Event::loop;	2560	Event::loop;
2263	}	2561	}
2264		2562
2265	#############################################################################	2563	#############################################################################
2266	# initialisation and cleanup	2564	# initialisation and cleanup
2267		2565
2268	# install some emergency cleanup handlers	2566	# install some emergency cleanup handlers
2269	BEGIN {	2567	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	2568	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	2569	Event->signal (
		2570	reentrant => 0,
2272	data => WF_AUTOCANCEL,	2571	data => WF_AUTOCANCEL,
2273	signal => $signal,	2572	signal => $signal,
		2573	prio => 0,
2274	cb => sub {	2574	cb => sub {
2275	cf::cleanup "SIG$signal";	2575	cf::cleanup "SIG$signal";
2276	},	2576	},
2277	);	2577	);
2278	}	2578	}
2279	}	2579	}
…		…
2284	warn "enter emergency perl save\n";	2584	warn "enter emergency perl save\n";
2285		2585
2286	cf::sync_job {	2586	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	2587	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	2588	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	2589	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	2590	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	2591	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	2592	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	2593	$pl->valid or next;
2294	$pl->save;	2594	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	2600	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	2601	$map->valid or next;
2302	$map->save;	2602	$map->save;
2303	}	2603	}
2304	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 $DB_ENV;
		2608	warn "end emergency database checkpoint\n";
2305	};	2609	};
2306		2610
2307	warn "leave emergency perl save\n";	2611	warn "leave emergency perl save\n";
2308	}	2612	}
2309		2613
		2614	sub post_cleanup {
		2615	my ($make_core) = @_;
		2616
		2617	warn Carp::longmess "post_cleanup backtrace"
		2618	if $make_core;
		2619	}
		2620
2310	sub reload() {	2621	sub do_reload_perl() {
2311	# can/must only be called in main	2622	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	2623	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	2624	warn "can only reload from main coroutine";
2314	return;	2625	return;
2315	}	2626	}
2316		2627
2317	warn "reloading...";	2628	warn "reloading...";
2318		2629
2319	warn "freezing server";	2630	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	2631
		2632	cf::sync_job {
		2633	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2634	cf::emergency_save;
		2635	cf::write_runtime; # external watchdog should not bark
2322		2636
2323	warn "sync database to disk";	2637	warn "syncing database to disk";
2324	cf::db_sync;	2638	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		2639
2327	eval {
2328	# 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
2329		2641
2330	warn "cancel all watchers";	2642	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	2643	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	2645	}
2334		2646
		2647	warn "flushing outstanding aio requests";
		2648	for (;;) {
		2649	BDB::flush;
		2650	IO::AIO::flush;
		2651	Coro::cede;
		2652	last unless IO::AIO::nreqs || BDB::nreqs;
		2653	warn "iterate...";
		2654	}
		2655
		2656	++$RELOAD;
		2657
2335	warn "cancel all extension coros";	2658	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	2659	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	2660	%EXT_CORO = ();
2338		2661
2339	warn "remove commands";	2662	warn "removing commands";
2340	%COMMAND = ();	2663	%COMMAND = ();
2341		2664
2342	warn "remove ext commands";	2665	warn "removing ext commands";
2343	%EXTCMD = ();	2666	%EXTCMD = ();
2344		2667
2345	warn "unload/nuke all extensions";	2668	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	2669	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	2670	warn "... unloading $pkg";
2348		2671
2349	if (my $cb = $pkg->can ("unload")) {	2672	if (my $cb = $pkg->can ("unload")) {
2350	eval {	2673	eval {
…		…
2355		2678
2356	warn "... nuking $pkg";	2679	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	2680	Symbol::delete_package $pkg;
2358	}	2681	}
2359		2682
2360	warn "unload all perl modules loaded from $LIBDIR";	2683	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	2684	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		2686
2364	warn "removing <$k>";	2687	warn "... unloading $k";
2365	delete $INC{$k};	2688	delete $INC{$k};
2366		2689
2367	$k =~ s/\.pm$//;	2690	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	2691	$k =~ s/\//::/g;
2369		2692
…		…
2372	}	2695	}
2373		2696
2374	Symbol::delete_package $k;	2697	Symbol::delete_package $k;
2375	}	2698	}
2376		2699
2377	warn "get rid of safe::, as good as possible";	2700	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	2701	Symbol::delete_package "safe::$_"
2379	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);
2380		2703
2381	warn "unload cf.pm \"a bit\"";	2704	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	2705	delete $INC{"cf.pm"};
		2706	delete $INC{"cf/pod.pm"};
2383		2707
2384	# don't, removes xs symbols, too,	2708	# don't, removes xs symbols, too,
2385	# and global variables created in xs	2709	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	2710	#Symbol::delete_package __PACKAGE__;
2387		2711
		2712	warn "unload completed, starting to reload now";
		2713
2388	warn "reloading cf.pm";	2714	warn "reloading cf.pm";
2389	require cf;	2715	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2716	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		2717
2392	warn "load config and database again";	2718	warn "loading config and database again";
2393	cf::cfg_load;	2719	cf::cfg_load;
2394	cf::db_load;
2395		2720
2396	warn "load extensions";	2721	warn "loading extensions";
2397	cf::load_extensions;	2722	cf::load_extensions;
2398		2723
2399	warn "reattach attachments to objects/players";	2724	warn "reattaching attachments to objects/players";
2400	_global_reattach;	2725	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	2726	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	2727	reattach $_ for values %MAP;
2403	};	2728	warn "reattaching attachments to players";
		2729	reattach $_ for values %PLAYER;
2404		2730
2405	if ($@) {	2731	warn "leaving sync_job";
		2732
		2733	1
		2734	} or do {
2406	warn $@;	2735	warn $@;
2407	warn "error while reloading, exiting.";	2736	warn "error while reloading, exiting.";
2408	exit 1;	2737	exit 1;
2409	}	2738	};
2410		2739
2411	warn "reloaded";	2740	warn "reloaded";
2412	};	2741	};
2413		2742
2414	#############################################################################	2743	our $RELOAD_WATCHER; # used only during reload
2415		2744
2416	unless ($LINK_MAP) {	2745	sub reload_perl() {
2417	$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.
2418		2748
2419	$LINK_MAP->width (41);	2749	$RELOAD_WATCHER ||= Event->timer (
2420	$LINK_MAP->height (41);	2750	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,	2751	after => 0,
		2752	data => WF_AUTOCANCEL,
2429	cb => sub {	2753	cb => sub {
2430	$_[0]->w->cancel;	2754	do_reload_perl;
2431		2755	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	});	2756	},
2450		2757	);
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	2758	}
2456		2759
2457	register_command "reload" => sub {	2760	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	2761	my ($who, $arg) = @_;
2459		2762
2460	if ($who->flag (FLAG_WIZ)) {	2763	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	2764	$who->message ("reloading server.");
		2765	async { reload_perl };
2464	}	2766	}
2465	};	2767	};
2466		2768
2467	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	}
2468		2793
2469	$TICK_WATCHER = Event->timer (	2794	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	2795	reentrant => 0,
		2796	parked => 1,
2471	prio => 0,	2797	prio => 0,
2472	at => $NEXT_TICK || $TICK,	2798	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	2799	data => WF_AUTOCANCEL,
2474	cb => sub {	2800	cb => sub {
		2801	if ($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
2475	$NOW = Event::time;	2807	$NOW = Event::time;
2476		2808
2477	cf::server_tick; # one server iteration	2809	cf::server_tick; # one server iteration
		2810
2478	$RUNTIME += $TICK;	2811	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	2812	$NEXT_TICK += $TICK;
2480		2813
2481	$WAIT_FOR_TICK->broadcast;	2814	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2482	$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#
2483		2824
2484	# 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
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2826	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2486		2827
2487	$TICK_WATCHER->at ($NEXT_TICK);	2828	$TICK_WATCHER->at ($NEXT_TICK);
2488	$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;
2489	},	2839	},
2490	);	2840	);
2491		2841
		2842	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	2843	BDB::max_poll_time $TICK * 0.1;
2493		2844	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	2845	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	2846	fd => BDB::poll_fileno,
2496	poll => 'r',	2847	poll => 'r',
2497	prio => 5,	2848	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	2849	data => WF_AUTOCANCEL,
2504	after => 0,	2850	cb => \&BDB::poll_cb,
2505	interval => 10,	2851	);
2506	cb => sub {	2852	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	2853
2508	write_runtime	2854	BDB::set_sync_prepare {
2509	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 $@;
2510	})->();	2888	};
2511	},	2889	}
2512	);	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;
2513		2909
2514	END { cf::emergency_save }	2910	END { cf::emergency_save }
2515		2911
2516	1	2912	1
2517		2913

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