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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
20	use Data::Dumper;	23	use Data::Dumper;
21	use Digest::MD5;	24	use Digest::MD5;
22	use Fcntl;	25	use Fcntl;
		26	use YAML::Syck ();
23	use IO::AIO 2.32 ();	27	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
26		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
28		37
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
30	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
31		40
32	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
33		42
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		44
36	our %COMMAND = ();	45	our %COMMAND = ();
37	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
39		52
		53	our $RELOAD; # number of reloads so far
40	our @EVENT;	54	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
42		56
43	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
44	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	61	our $NEXT_TICK;
46	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
47		67
48	our %CFG;	68	our %CFG;
49		69
50	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	71	our $RUNTIME;
52		72
53	our %PLAYER; # all users	73	our %PLAYER; # all users
54	our %MAP; # all maps	74	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
58		84
59	binmode STDOUT;	85	binmode STDOUT;
60	binmode STDERR;	86	binmode STDERR;
61		87
62	# read virtual server time, if available	88	# read virtual server time, if available
…		…
69	mkdir cf::localdir;	95	mkdir cf::localdir;
70	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
71	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
74		101
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
78		105
79	#############################################################################	106	#############################################################################
80		107
81	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
82		109
…		…
106		133
107	=item %cf::CFG	134	=item %cf::CFG
108		135
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window of cpu time available, or simply to synchronise to the server tick.
111		145
112	=back	146	=back
113		147
114	=cut	148	=cut
115		149
…		…
146	}	180	}
147		181
148	$Event::DIED = sub {	182	$Event::DIED = sub {
149	warn "error in event callback: @_";	183	warn "error in event callback: @_";
150	};	184	};
151
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155		185
156	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
157		187
158	=over 4	188	=over 4
159		189
…		…
178	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
179	$d	209	$d
180	} || "[unable to dump $_[0]: '$@']";	210	} || "[unable to dump $_[0]: '$@']";
181	}	211	}
182		212
183	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
184		214
185	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
186		216
187	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
188		218
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
197		220
198	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
199
200	=cut
201
202	sub to_json($) {
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
204	JSON::Syck::Dump $_[0]
205	}
206		222
207	=item cf::lock_wait $string	223	=item cf::lock_wait $string
208		224
209	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
210		226
…		…
247	}	263	}
248		264
249	sub freeze_mainloop {	265	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
251		267
252	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
253	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
254	$guard	272	$guard
255	}	273	}
256		274
257	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
309	}	327	}
310	}	328	}
311		329
312	=item $coro = cf::async_ext { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
313		331
314	Like async, but this coro is automcatially being canceled when the	332	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	333	extension calling this is being unloaded.
316		334
317	=cut	335	=cut
318		336
319	sub async_ext(&) {	337	sub async_ext(&) {
…		…
328		346
329	$coro	347	$coro
330	}	348	}
331		349
332	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
333	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
334		354
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	356	or return;
337		357
		358	my $value = $cf::RUNTIME + 90 + 10;
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	363	and return;
341		364
		365	# always fsync - this file is important
342	aio_fsync $fh	366	aio_fsync $fh
343	and return;	367	and return;
344		368
345	close $fh	369	close $fh
346	or return;	370	or return;
…		…
349	and return;	373	and return;
350		374
351	1	375	1
352	}	376	}
353		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
354	=back	389	=back
355		390
356	=cut	391	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		392
480	#############################################################################	393	#############################################################################
481		394
482	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
483		396
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	523	our @CB_MAP = ();
611		524
612	my %attachment;	525	my %attachment;
613		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
614	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
616		535
617	use sort 'stable';	536	use sort 'stable';
618		537
…		…
789	# object support	708	# object support
790		709
791	sub reattach {	710	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		715
795	my $registry = $obj->registry;	716	my $registry = $obj->registry;
796		717
797	@$registry = ();	718	@$registry = ();
798		719
…		…
845	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
846		767
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	772	close $fh;
852		773
853	if (@$objs) {	774	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	780	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
861	}	782	}
862	} else {	783	} else {
863	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
930	=cut	851	=cut
931		852
932	sub register_extcmd {	853	sub register_extcmd {
933	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
934		855
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
939	}	857	}
940		858
941	cf::player->attach (	859	cf::player->attach (
942	on_command => sub {	860	on_command => sub {
943	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
956		874
957	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
958		876
959	if (ref $msg) {	877	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	881	}
964	}	882	}
965	} else {	883	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		886
969	cf::override;	887	cf::override;
970	},	888	},
971	);	889	);
972		890
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	891	sub load_extension {
980	my ($path) = @_;	892	my ($path) = @_;
981		893
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;	895	my $base = $1;
984	my $pkg = $1;	896	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
987		899
988	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
989		901
990	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
991	or die "$path: $!";	903	or die "$path: $!";
992		904
993	my $source =	905	my $source =
994	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
997	. "\n};\n1";	909	. "\n};\n1";
998		910
999	eval $source	911	unless (eval $source) {
1000	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1001	: "extension disabled.\n";	913	: "extension disabled.\n";
1002		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003	push @exts, $pkg;	915	warn $@;
1004	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
1005		917	exit 1;
1006	# no strict 'refs';	918	}
1007	# @{"$pkg\::ISA"} = ext::;	919	die $@;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }	920	}
1022		921
1023	# remove commands	922	push @EXTS, $pkg;
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}	923	}
1048		924
1049	sub load_extensions {	925	sub load_extensions {
1050	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	927	next unless -r $ext;
…		…
1055	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1056	}	932	}
1057	}	933	}
1058		934
1059	#############################################################################	935	#############################################################################
1060	# load/save/clean perl data associated with a map
1061
1062	*cf::mapsupport::on_clean = sub {
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		936
1097	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1098		938
1099	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1100		940
…		…
1136		976
1137	sub exists($) {	977	sub exists($) {
1138	my ($login) = @_;	978	my ($login) = @_;
1139		979
1140	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1142	}	982	}
1143		983
1144	sub find($) {	984	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	986	my $login = $_[0];
…		…
1192		1032
1193	=cut	1033	=cut
1194		1034
1195	sub quit_character {	1035	sub quit_character {
1196	my ($pl) = @_;	1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
1197		1039
1198	$pl->{deny_save} = 1;	1040	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
1200		1042
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1048	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1049	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1050	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1051	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
1211	IO::AIO::aio_rmtree $temp;	1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
1212	}	1074	}
1213		1075
1214	=item cf::player::list_logins	1076	=item cf::player::list_logins
1215		1077
1216	Returns am arrayref of all valid playernames in the system, can take a	1078	Returns am arrayref of all valid playernames in the system, can take a
…		…
1225	my @logins;	1087	my @logins;
1226		1088
1227	for my $login (@$dirs) {	1089	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1091	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1092	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1093
1232	utf8::decode $login;	1094	utf8::decode $login;
1233	push @logins, $login;	1095	push @logins, $login;
1234	}	1096	}
1235		1097
1236	\@logins	1098	\@logins
1237	}	1099	}
1238		1100
1239	=item $player->maps	1101	=item $player->maps
1240		1102
1241	Returns an arrayref of cf::path's of all maps that are private for this	1103	Returns an arrayref of map paths that are private for this
1242	player. May block.	1104	player. May block.
1243		1105
1244	=cut	1106	=cut
1245		1107
1246	sub maps($) {	1108	sub maps($) {
1247	my ($pl) = @_;	1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1112
1249	my $files = aio_readdir playerdir $pl	1113	my $files = aio_readdir playerdir $pl
1250	or return;	1114	or return;
1251		1115
1252	my @paths;	1116	my @paths;
1253		1117
1254	for (@$files) {	1118	for (@$files) {
1255	utf8::decode $_;	1119	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1120	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1121	next unless /^$PATH_SEP/o;
1258		1122
1259	s/$PATH_SEP/\//g;	1123	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1124	}
1262		1125
1263	\@paths	1126	\@paths
1264	}	1127	}
1265		1128
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1267		1130
1268	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1269		1132
1270	=cut	1133	=cut
1271		1134
1272	sub ext_reply($$$%) {	1135	sub ext_reply($$%) {
1273	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1274		1137
1275	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
		1139
		1140	$self->send ("ext " . cf::to_json \%msg);
		1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	delete $msg{msgid};
		1153	$msg{msgtype} = "event";
		1154	$msg{eventtype} = $type;
1276		1155
1277	$self->send ("ext " . cf::to_json \%msg);	1156	$self->send ("ext " . cf::to_json \%msg);
1278	}	1157	}
1279		1158
1280	package cf;	1159	package cf;
…		…
1291	package cf::map;	1170	package cf::map;
1292		1171
1293	use Fcntl;	1172	use Fcntl;
1294	use Coro::AIO;	1173	use Coro::AIO;
1295		1174
		1175	use overload
		1176	'""' => \&as_string,
		1177	fallback => 1;
		1178
1296	our $MAX_RESET = 3600;	1179	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1180	our $DEFAULT_RESET = 3000;
1298		1181
1299	sub generate_random_map {	1182	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1183	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1184	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1185	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1189	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1190	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1191	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1192	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1193	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1194	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1195	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1196	(cf::region::find $rmp->{region}), $rmp->{custom}
		1197	)
		1198	}
		1199
		1200	=item cf::map->register ($regex, $prio)
		1201
		1202	Register a handler for the map path matching the given regex at the
		1203	givne priority (higher is better, built-in handlers have priority 0, the
		1204	default).
		1205
		1206	=cut
		1207
		1208	sub register {
		1209	my (undef, $regex, $prio) = @_;
		1210	my $pkg = caller;
		1211
		1212	no strict;
		1213	push @{"$pkg\::ISA"}, __PACKAGE__;
		1214
		1215	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1216	}
		1217
		1218	# also paths starting with '/'
		1219	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1220
		1221	sub thawer_merge {
		1222	my ($self, $merge) = @_;
		1223
		1224	# we have to keep some variables in memory intact
		1225	local $self->{path};
		1226	local $self->{load_path};
		1227	local $self->{deny_save};
		1228	local $self->{deny_reset};
		1229
		1230	$self->SUPER::thawer_merge ($merge);
		1231	}
		1232
		1233	sub normalise {
		1234	my ($path, $base) = @_;
		1235
		1236	$path = "$path"; # make sure its a string
		1237
		1238	$path =~ s/\.map$//;
		1239
		1240	# map plan:
		1241	#
		1242	# /! non-realised random map exit (special hack!)
		1243	# {... are special paths that are not being touched
		1244	# ?xxx/... are special absolute paths
		1245	# ?random/... random maps
		1246	# /... normal maps
		1247	# ~user/... per-player map of a specific user
		1248
		1249	$path =~ s/$PATH_SEP/\//go;
		1250
		1251	# treat it as relative path if it starts with
		1252	# something that looks reasonable
		1253	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1254	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1255
		1256	$base =~ s{[^/]+/?$}{};
		1257	$path = "$base/$path";
		1258	}
		1259
		1260	for ($path) {
		1261	redo if s{//}{/};
		1262	redo if s{/\.?/}{/};
		1263	redo if s{/[^/]+/\.\./}{/};
		1264	}
		1265
		1266	$path
		1267	}
		1268
		1269	sub new_from_path {
		1270	my (undef, $path, $base) = @_;
		1271
		1272	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1273
		1274	$path = normalise $path, $base;
		1275
		1276	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1277	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1278	my $self = bless cf::map::new, $pkg;
		1279	$self->{path} = $path; $self->path ($path);
		1280	$self->init; # pass $1 etc.
		1281	return $self;
		1282	}
		1283	}
		1284
		1285	Carp::carp "unable to resolve path '$path' (base '$base').";
		1286	()
		1287	}
		1288
		1289	sub init {
		1290	my ($self) = @_;
		1291
		1292	$self
		1293	}
		1294
		1295	sub as_string {
		1296	my ($self) = @_;
		1297
		1298	"$self->{path}"
		1299	}
		1300
		1301	# the displayed name, this is a one way mapping
		1302	sub visible_name {
		1303	&as_string
		1304	}
		1305
		1306	# the original (read-only) location
		1307	sub load_path {
		1308	my ($self) = @_;
		1309
		1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1311	}
		1312
		1313	# the temporary/swap location
		1314	sub save_path {
		1315	my ($self) = @_;
		1316
		1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1319	}
		1320
		1321	# the unique path, undef == no special unique path
		1322	sub uniq_path {
		1323	my ($self) = @_;
		1324
		1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1316	}	1327	}
1317		1328
1318	# and all this just because we cannot iterate over	1329	# and all this just because we cannot iterate over
1319	# all maps in C++...	1330	# all maps in C++...
1320	sub change_all_map_light {	1331	sub change_all_map_light {
…		…
1322		1333
1323	$_->change_map_light ($change)	1334	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1335	for grep $_->outdoor, values %cf::MAP;
1325	}	1336	}
1326		1337
		1338	sub unlink_save {
		1339	my ($self) = @_;
		1340
		1341	utf8::encode (my $save = $self->save_path);
		1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1343	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1344	}
		1345
1327	sub try_load_header($) {	1346	sub load_header_from($) {
1328	my ($path) = @_;	1347	my ($self, $path) = @_;
1329		1348
1330	utf8::encode $path;	1349	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1350	#aio_open $path, O_RDONLY, 0
		1351	# or return;
		1352
		1353	$self->_load_header ($path)
1332	or return;	1354	or return;
1333		1355
1334	my $map = cf::map::new	1356	$self->{load_path} = $path;
		1357
		1358	1
		1359	}
		1360
		1361	sub load_header_orig {
		1362	my ($self) = @_;
		1363
		1364	$self->load_header_from ($self->load_path)
		1365	}
		1366
		1367	sub load_header_temp {
		1368	my ($self) = @_;
		1369
		1370	$self->load_header_from ($self->save_path)
		1371	}
		1372
		1373	sub prepare_temp {
		1374	my ($self) = @_;
		1375
		1376	$self->last_access ((delete $self->{last_access})
		1377	|| $cf::RUNTIME); #d#
		1378	# safety
		1379	$self->{instantiate_time} = $cf::RUNTIME
		1380	if $self->{instantiate_time} > $cf::RUNTIME;
		1381	}
		1382
		1383	sub prepare_orig {
		1384	my ($self) = @_;
		1385
		1386	$self->{load_original} = 1;
		1387	$self->{instantiate_time} = $cf::RUNTIME;
		1388	$self->last_access ($cf::RUNTIME);
		1389	$self->instantiate;
		1390	}
		1391
		1392	sub load_header {
		1393	my ($self) = @_;
		1394
		1395	if ($self->load_header_temp) {
		1396	$self->prepare_temp;
		1397	} else {
		1398	$self->load_header_orig
1335	or return;	1399	or return;
		1400	$self->prepare_orig;
		1401	}
1336		1402
1337	# for better error messages only, will be overwritten	1403	1
1338	$map->path ($path);
1339
1340	$map->load_header ($path)
1341	or return;
1342
1343	$map->{load_path} = $path;
1344
1345	$map
1346	}	1404	}
1347		1405
1348	sub find;	1406	sub find;
1349	sub find {	1407	sub find {
1350	my ($path, $origin) = @_;	1408	my ($path, $origin) = @_;
1351		1409
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1410	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1411
1357	cf::lock_wait "map_find:$key";	1412	cf::lock_wait "map_find:$path";
1358		1413
1359	$cf::MAP{$key} || do {	1414	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1415	my $guard = cf::lock_acquire "map_find:$path";
1361		1416	my $map = new_from_path cf::map $path
1362	# do it the slow way
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1417	or return;
1381		1418
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1419	$map->{last_save} = $cf::RUNTIME;
1394		1420
1395	Coro::cede;	1421	$map->load_header
		1422	or return;
1396		1423
1397	if ($map->should_reset) {	1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1425	# doing this can freeze the server in a sync job, obviously
		1426	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1427	$map->reset;
1399	undef $guard;	1428	undef $guard;
1400	$map = find $path	1429	return find $path;
1401	or return;
1402	}	1430	}
1403		1431
1404	$cf::MAP{$key} = $map	1432	$cf::MAP{$path} = $map
1405	}	1433	}
1406	}	1434	}
		1435
		1436	sub pre_load { }
		1437	sub post_load { }
1407		1438
1408	sub load {	1439	sub load {
1409	my ($self) = @_;	1440	my ($self) = @_;
1410		1441
		1442	local $self->{deny_reset} = 1; # loading can take a long time
		1443
1411	my $path = $self->{path};	1444	my $path = $self->{path};
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1445	my $guard = cf::lock_acquire "map_load:$path";
1413		1446
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1447	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1448
1416	$self->in_memory (cf::MAP_LOADING);	1449	$self->in_memory (cf::MAP_LOADING);
1417		1450
1418	$self->alloc;	1451	$self->alloc;
		1452
		1453	$self->pre_load;
		1454
1419	$self->load_objects ($self->{load_path}, 1)	1455	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1456	or return;
1421		1457
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1459	if delete $self->{load_original};
1424		1460
1425	if (my $uniq = $path->uniq_path) {	1461	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1462	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1463	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1464	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1465	$self->_load_objects ($uniq, 0);
1430	}	1466	}
1431	}	1467	}
1432		1468
1433	Coro::cede;	1469	Coro::cede;
1434		1470
1435	# now do the right thing for maps	1471	# now do the right thing for maps
1436	$self->link_multipart_objects;	1472	$self->link_multipart_objects;
1437		1473
1438	if ($self->{path}->is_style_map) {	1474	unless ($self->{deny_activate}) {
1439	$self->{deny_save} = 1;	1475	$self->decay_objects;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;	1476	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;	1477	$self->update_buttons;
		1478	Coro::cede;
1445	$self->set_darkness_map;	1479	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1480	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1481	unless $self->difficulty;
		1482	Coro::cede;
1448	$self->activate;	1483	$self->activate;
1449	}	1484	}
1450		1485
1451	Coro::cede;	1486	$self->post_load;
1452		1487
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1488	$self->in_memory (cf::MAP_IN_MEMORY);
		1489	}
		1490
		1491	sub customise_for {
		1492	my ($self, $ob) = @_;
		1493
		1494	return find "~" . $ob->name . "/" . $self->{path}
		1495	if $self->per_player;
		1496
		1497	$self
		1498	}
		1499
		1500	# find and load all maps in the 3x3 area around a map
		1501	sub load_diag {
		1502	my ($map) = @_;
		1503
		1504	my @diag; # diagonal neighbours
		1505
		1506	for (0 .. 3) {
		1507	my $neigh = $map->tile_path ($_)
		1508	or next;
		1509	$neigh = find $neigh, $map
		1510	or next;
		1511	$neigh->load;
		1512
		1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1515	}
		1516
		1517	for (@diag) {
		1518	my $neigh = find @$_
		1519	or next;
		1520	$neigh->load;
		1521	}
1454	}	1522	}
1455		1523
1456	sub find_sync {	1524	sub find_sync {
1457	my ($path, $origin) = @_;	1525	my ($path, $origin) = @_;
1458		1526
1459	cf::sync_job { cf::map::find $path, $origin }	1527	cf::sync_job { find $path, $origin }
1460	}	1528	}
1461		1529
1462	sub do_load_sync {	1530	sub do_load_sync {
1463	my ($map) = @_;	1531	my ($map) = @_;
1464		1532
1465	cf::sync_job { $map->load };	1533	cf::sync_job { $map->load };
1466	}	1534	}
1467		1535
		1536	our %MAP_PREFETCH;
		1537	our $MAP_PREFETCHER = undef;
		1538
		1539	sub find_async {
		1540	my ($path, $origin) = @_;
		1541
		1542	$path = normalise $path, $origin && $origin->{path};
		1543
		1544	if (my $map = $cf::MAP{$path}) {
		1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1546	}
		1547
		1548	undef $MAP_PREFETCH{$path};
		1549	$MAP_PREFETCHER ||= cf::async {
		1550	while (%MAP_PREFETCH) {
		1551	for my $path (keys %MAP_PREFETCH) {
		1552	my $map = find $path
		1553	or next;
		1554	$map->load;
		1555
		1556	delete $MAP_PREFETCH{$path};
		1557	}
		1558	}
		1559	undef $MAP_PREFETCHER;
		1560	};
		1561	$MAP_PREFETCHER->prio (6);
		1562
		1563	()
		1564	}
		1565
1468	sub save {	1566	sub save {
1469	my ($self) = @_;	1567	my ($self) = @_;
1470		1568
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1570
1473	$self->{last_save} = $cf::RUNTIME;	1571	$self->{last_save} = $cf::RUNTIME;
1474		1572
1475	return unless $self->dirty;	1573	return unless $self->dirty;
1476		1574
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1575	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1576	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1577
1480	$self->{load_path} = $save;	1578	$self->{load_path} = $save;
1481		1579
1482	return if $self->{deny_save};	1580	return if $self->{deny_save};
1483		1581
…		…
1486	cf::async {	1584	cf::async {
1487	$_->contr->save for $self->players;	1585	$_->contr->save for $self->players;
1488	};	1586	};
1489		1587
1490	if ($uniq) {	1588	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1591	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1593	}
1496	}	1594	}
1497		1595
1498	sub swap_out {	1596	sub swap_out {
1499	my ($self) = @_;	1597	my ($self) = @_;
…		…
1513		1611
1514	sub reset_at {	1612	sub reset_at {
1515	my ($self) = @_;	1613	my ($self) = @_;
1516		1614
1517	# TODO: safety, remove and allow resettable per-player maps	1615	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};	1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1519	return 1e99 if $self->{deny_reset};	1617	return 1e99 if $self->{deny_reset};
1520		1618
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1621
…		…
1528	my ($self) = @_;	1626	my ($self) = @_;
1529		1627
1530	$self->reset_at <= $cf::RUNTIME	1628	$self->reset_at <= $cf::RUNTIME
1531	}	1629	}
1532		1630
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	1631	sub reset {
1555	my ($self) = @_;	1632	my ($self) = @_;
1556		1633
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1634	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1635
1559	return if $self->players;	1636	return if $self->players;
1560	return if $self->{path}{user_rel};#d#	1637	return if $self->isa ("ext::map_per_player");#d#
1561		1638
1562	warn "resetting map ", $self->path;#d#	1639	warn "resetting map ", $self->path;#d#
1563		1640
		1641	$self->in_memory (cf::MAP_SWAPPED);
		1642
		1643	# need to save uniques path
		1644	unless ($self->{deny_save}) {
		1645	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1646
		1647	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1648	if $uniq;
		1649	}
		1650
1564	delete $cf::MAP{$self->path};	1651	delete $cf::MAP{$self->path};
		1652
		1653	$self->clear;
1565		1654
1566	$_->clear_links_to ($self) for values %cf::MAP;	1655	$_->clear_links_to ($self) for values %cf::MAP;
1567		1656
1568	$self->unlink_save;	1657	$self->unlink_save;
1569	$self->destroy;	1658	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1661	my $nuke_counter = "aaaa";
1573		1662
1574	sub nuke {	1663	sub nuke {
1575	my ($self) = @_;	1664	my ($self) = @_;
1576		1665
		1666	delete $cf::MAP{$self->path};
		1667
		1668	$self->unlink_save;
		1669
		1670	bless $self, "cf::map";
		1671	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1672	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1673	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1675
		1676	$cf::MAP{$self->path} = $self;
		1677
1580	$self->reset; # polite request, might not happen	1678	$self->reset; # polite request, might not happen
1581	}	1679	}
1582		1680
1583	sub customise_for {	1681	=item cf::map::unique_maps
1584	my ($map, $ob) = @_;
1585		1682
1586	if ($map->per_player) {	1683	Returns an arrayref of paths of all shared maps that have
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1684	instantiated unique items. May block.
1588	}
1589		1685
1590	$map	1686	=cut
1591	}
1592		1687
1593	sub emergency_save {	1688	sub unique_maps() {
1594	my $freeze_guard = cf::freeze_mainloop;	1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1690	or return;
1595		1691
1596	warn "enter emergency perl save\n";	1692	my @paths;
1597		1693
1598	cf::sync_job {	1694	for (@$files) {
1599	warn "begin emergency player save\n";	1695	utf8::decode $_;
1600	$_->save for values %cf::PLAYER;	1696	next if /\.pst$/;
1601	warn "end emergency player save\n";	1697	next unless /^$PATH_SEP/o;
1602		1698
1603	warn "begin emergency map save\n";	1699	push @paths, cf::map::normalise $_;
1604	$_->save for values %cf::MAP;
1605	warn "end emergency map save\n";
1606	};	1700	}
1607		1701
1608	warn "leave emergency perl save\n";	1702	\@paths
1609	}	1703	}
1610		1704
1611	package cf;	1705	package cf;
1612		1706
1613	=back	1707	=back
1614		1708
		1709	=head3 cf::object
		1710
		1711	=cut
		1712
		1713	package cf::object;
		1714
		1715	=over 4
		1716
		1717	=item $ob->inv_recursive
		1718
		1719	Returns the inventory of the object _and_ their inventories, recursively.
		1720
		1721	=cut
		1722
		1723	sub inv_recursive_;
		1724	sub inv_recursive_ {
		1725	map { $_, inv_recursive_ $_->inv } @_
		1726	}
		1727
		1728	sub inv_recursive {
		1729	inv_recursive_ inv $_[0]
		1730	}
		1731
		1732	package cf;
		1733
		1734	=back
1615		1735
1616	=head3 cf::object::player	1736	=head3 cf::object::player
1617		1737
1618	=over 4	1738	=over 4
1619		1739
…		…
1659		1779
1660	=item $player_object->enter_link	1780	=item $player_object->enter_link
1661		1781
1662	Freezes the player and moves him/her to a special map (C<{link}>).	1782	Freezes the player and moves him/her to a special map (C<{link}>).
1663		1783
1664	The player should be reaosnably safe there for short amounts of time. You	1784	The player should be reasonably safe there for short amounts of time. You
1665	I<MUST> call C<leave_link> as soon as possible, though.	1785	I<MUST> call C<leave_link> as soon as possible, though.
1666		1786
		1787	Will never block.
		1788
1667	=item $player_object->leave_link ($map, $x, $y)	1789	=item $player_object->leave_link ($map, $x, $y)
1668		1790
1669	Moves the player out of the specila link map onto the given map. If the	1791	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	1792	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	1793	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	1794	fails, to the emergency map position.
1673		1795
1674	Might block.	1796	Might block.
1675		1797
1676	=cut	1798	=cut
		1799
		1800	sub link_map {
		1801	unless ($LINK_MAP) {
		1802	$LINK_MAP = cf::map::find "{link}"
		1803	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1804	$LINK_MAP->load;
		1805	}
		1806
		1807	$LINK_MAP
		1808	}
1677		1809
1678	sub cf::object::player::enter_link {	1810	sub cf::object::player::enter_link {
1679	my ($self) = @_;	1811	my ($self) = @_;
1680		1812
1681	$self->deactivate_recursive;	1813	$self->deactivate_recursive;
1682		1814
1683	return if $self->map == $LINK_MAP;	1815	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		1816
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	1818	if $self->map;
1687		1819
1688	$self->enter_map ($LINK_MAP, 20, 20);	1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	1821	}
1690		1822
1691	sub cf::object::player::leave_link {	1823	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	1824	my ($self, $map, $x, $y) = @_;
1693		1825
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	1843	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	1844	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	1845	if $x <=0 && $y <= 0;
1714		1846
1715	$map->load;	1847	$map->load;
		1848	$map->load_diag;
1716		1849
1717	return unless $self->contr->active;	1850	return unless $self->contr->active;
1718	$self->activate_recursive;	1851	$self->activate_recursive;
		1852
		1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	1854	$self->enter_map ($map, $x, $y);
1720	}	1855	}
1721		1856
1722	cf::player->attach (	1857	cf::player->attach (
1723	on_logout => sub {	1858	on_logout => sub {
…		…
1736	# try to abort aborted map switching on player login :)	1871	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes	1872	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {	1873	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;	1874	$pl->ob->enter_link;
1740	(async {	1875	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,	1876	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "	1877	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",	1878	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);	1879	cf::NDI_RED);
		1880	# we need this sleep as the login has a concurrent enter_exit running
		1881	# and this sleep increases chances of the player not ending up in scorn
1747	Coro::Timer::sleep 1;	1882	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;	1883	$pl->ob->leave_link;
1749	})->prio (2);	1884	})->prio (2);
1750	}	1885	}
1751	},	1886	},
…		…
1756	=cut	1891	=cut
1757		1892
1758	sub cf::object::player::goto {	1893	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	1894	my ($self, $path, $x, $y) = @_;
1760		1895
1761	$path = new cf::path $path;
1762	$path ne "/" or Carp::cluck ("oy");#d#
1763
1764	$self->enter_link;	1896	$self->enter_link;
1765		1897
1766	(async {	1898	(async {
		1899	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	1900	my $map = cf::map::find $path;
1768	$map = $map->customise_for ($self) if $map;	1901	$map = $map->customise_for ($self) if $map;
1769		1902	$map
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	1903	} or
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1774		1905
1775	$self->leave_link ($map, $x, $y);	1906	$self->leave_link ($map, $x, $y);
1776	})->prio (1);	1907	})->prio (1);
1777	}	1908	}
1778		1909
…		…
1782		1913
1783	sub parse_random_map_params {	1914	sub parse_random_map_params {
1784	my ($spec) = @_;	1915	my ($spec) = @_;
1785		1916
1786	my $rmp = { # defaults	1917	my $rmp = { # defaults
1787	xsize => 10,	1918	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	1919	ysize => (cf::rndm 15, 40),
		1920	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1921	#layout => string,
1789	};	1922	};
1790		1923
1791	for (split /\n/, $spec) {	1924	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	1925	my ($k, $v) = split /\s+/, $_, 2;
1793		1926
…		…
1797	$rmp	1930	$rmp
1798	}	1931	}
1799		1932
1800	sub prepare_random_map {	1933	sub prepare_random_map {
1801	my ($exit) = @_;	1934	my ($exit) = @_;
		1935
		1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		1937
1803	# all this does is basically replace the /! path by	1938	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	1939	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	1940	# that depends on the exit object
1806		1941
1807	my $rmp = parse_random_map_params $exit->msg;	1942	my $rmp = parse_random_map_params $exit->msg;
1808		1943
1809	if ($exit->map) {	1944	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	1945	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	1946	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	1947	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	1948	$rmp->{origin_y} = $exit->y;
1814	}	1949	}
1815		1950
1816	$rmp->{random_seed} ||= $exit->random_seed;	1951	$rmp->{random_seed} ||= $exit->random_seed;
1817		1952
1818	my $data = cf::to_json $rmp;	1953	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	1954	my $md5 = Digest::MD5::md5_hex $data;
		1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820		1956
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	1958	aio_write $fh, 0, (length $data), $data, 0;
		1959	undef $fh;
		1960	aio_rename "$meta~", $meta;
1823		1961
1824	$exit->slaying ("?random/$md5");	1962	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	1963	$exit->msg (undef);
1826	}	1964	}
1827	}	1965	}
1828		1966
1829	sub cf::object::player::enter_exit {	1967	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	1968	my ($self, $exit) = @_;
1831		1969
1832	return unless $self->type == cf::PLAYER;	1970	return unless $self->type == cf::PLAYER;
		1971
		1972	if ($exit->slaying eq "/!") {
		1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1974	cf::sync_job { prepare_random_map $exit };
		1975	}
		1976
		1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1978	my $hp = $exit->stats->hp;
		1979	my $sp = $exit->stats->sp;
1833		1980
1834	$self->enter_link;	1981	$self->enter_link;
1835		1982
1836	(async {	1983	(async {
1837	$self->deactivate_recursive; # just to be sure	1984	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	1985	unless (eval {
1839	prepare_random_map $exit	1986	$self->goto ($slaying, $hp, $sp);
1840	if $exit->slaying eq "/!";
1841
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		1987
1845	1;	1988	1;
1846	}) {	1989	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	1990	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	1991	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	1992	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	1993	cf::NDI_UNIQUE | cf::NDI_RED);
1851		1994
1852	warn "ERROR in enter_exit: $@";	1995	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	1996	$self->leave_link;
1854	}	1997	}
…		…
1868		2011
1869	sub cf::client::send_drawinfo {	2012	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2013	my ($self, $text, $flags) = @_;
1871		2014
1872	utf8::encode $text;	2015	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2017	}
1875		2018
1876		2019
1877	=item $success = $client->query ($flags, "text", \&cb)	2020	=item $success = $client->query ($flags, "text", \&cb)
1878		2021
…		…
1909	# get handled first	2052	# get handled first
1910	my $queue = delete $ns->{query_queue}	2053	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2054	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2055
1913	(shift @$queue)->[1]->($msg);	2056	(shift @$queue)->[1]->($msg);
		2057	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2058
1915	push @{ $ns->{query_queue} }, @$queue;	2059	push @{ $ns->{query_queue} }, @$queue;
1916		2060
1917	if (@{ $ns->{query_queue} } == @$queue) {	2061	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2062	if (@$queue) {
…		…
1976		2120
1977	# here we export the classes and methods available to script code	2121	# here we export the classes and methods available to script code
1978		2122
1979	=pod	2123	=pod
1980		2124
1981	The following fucntions and emthods are available within a safe environment:	2125	The following functions and methods are available within a safe environment:
1982		2126
1983	cf::object contr pay_amount pay_player map	2127	cf::object contr pay_amount pay_player map
1984	cf::object::player player	2128	cf::object::player player
1985	cf::player peaceful	2129	cf::player peaceful
1986	cf::map trigger	2130	cf::map trigger
…		…
2079	The parameter C<$family> should best start with the name of the extension	2223	The parameter C<$family> should best start with the name of the extension
2080	using it, it should be unique.	2224	using it, it should be unique.
2081		2225
2082	=over 4	2226	=over 4
2083		2227
2084	=item $hashref = cf::db_get $family
2085
2086	Return a hashref for use by the extension C<$family>, which can be
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089
2090	=item $value = cf::db_get $family => $key	2228	=item $value = cf::db_get $family => $key
2091		2229
2092	Returns a single value from the database	2230	Returns a single value from the database.
2093
2094	=item cf::db_put $family => $hashref
2095
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098		2231
2099	=item cf::db_put $family => $key => $value	2232	=item cf::db_put $family => $key => $value
2100		2233
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you	2234	Stores the given C<$value> in the family.
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111		2235
2112	=cut	2236	=cut
2113		2237
2114	our $DB;	2238	our $DB;
2115		2239
2116	{	2240	sub db_init {
		2241	unless ($DB) {
		2242	$DB = BDB::db_create $DB_ENV;
		2243
		2244	cf::sync_job {
		2245	eval {
		2246	$DB->set_flags (BDB::CHKSUM);
		2247
		2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2250	cf::cleanup "db_open(db): $!" if $!;
		2251	};
		2252	cf::cleanup "db_open(db): $@" if $@;
		2253	};
		2254
2117	my $path = cf::localdir . "/database.pst";	2255	my $path = cf::localdir . "/database.pst";
		2256	if (stat $path) {
		2257	cf::sync_job {
		2258	my $pst = Storable::retrieve $path;
2118		2259
2119	sub db_load() {	2260	cf::db_put (board => data => $pst->{board});
2120	$DB = stat $path ? Storable::retrieve $path : { };	2261	cf::db_put (guildrules => data => $pst->{guildrules});
2121	}	2262	cf::db_put (rent => balance => $pst->{rent}{balance});
		2263	BDB::db_env_txn_checkpoint $DB_ENV;
2122		2264
2123	my $pid;	2265	unlink $path;
2124
2125	sub db_save() {
2126	waitpid $pid, 0 if $pid;
2127	if (0 == ($pid = fork)) {
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}	2266	};
2133	}	2267	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});	2268	}
		2269	}
2145		2270
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}
2150
2151	sub db_get($;$) {	2271	sub db_get($$) {
2152	@_ >= 2	2272	my $key = "$_[0]/$_[1]";
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156		2273
		2274	cf::sync_job {
		2275	BDB::db_get $DB, undef, $key, my $data;
		2276
		2277	$! ? ()
		2278	: Compress::LZF::sthaw $data
		2279	}
		2280	}
		2281
2157	sub db_put($$;$) {	2282	sub db_put($$$) {
2158	if (@_ >= 3) {	2283	BDB::dbreq_pri 4;
2159	$DB->{$_[0]}{$_[1]} = $_[2];	2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2285	}
		2286
		2287	#############################################################################
		2288	# the server's init and main functions
		2289
		2290	sub load_facedata {
		2291	my $path = sprintf "%s/facedata", cf::datadir;
		2292
		2293	warn "loading facedata from $path\n";
		2294
		2295	my $faces;
		2296	0 < aio_load $path, $faces
		2297	or die "$path: $!";
		2298
		2299	Coro::cede;
		2300	$faces = Storable::thaw $faces;
		2301	Coro::cede;
		2302
		2303	my $meta = delete $faces->{""};
		2304	$meta->{version} == 1
		2305	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2306
		2307	while (my ($face, $info) = each %$faces) {
		2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2312	Coro::cede;
		2313	}
		2314
		2315	while (my ($face, $info) = each %$faces) {
		2316	next unless $info->{smooth};
		2317	my $idx = cf::face::find $face
		2318	or next;
		2319	if (my $smooth = cf::face::find $info->{smooth}) {
		2320	cf::face::set_smooth $idx, $smooth;
2160	} else {	2321	} else {
2161	$DB->{$_[0]} = $_[1];	2322	warn "smooth face '$info->{smooth}' not found for face '$face'";
2162	}
2163	db_dirty;
2164	}
2165
2166	cf::global->attach (
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	2323	}
2171	);	2324	Coro::cede;
2172	}	2325	}
2173		2326
2174	#############################################################################	2327	1
2175	# the server's main()	2328	}
		2329
		2330	sub reload_resources {
		2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2332	or die "unable to load regions file\n";#d#
		2333	load_facedata
		2334	or die "unable to load facedata\n";#d#
		2335	}
		2336
		2337	sub init {
		2338	reload_resources;
		2339	}
2176		2340
2177	sub cfg_load {	2341	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2342	open my $fh, "<:utf8", cf::confdir . "/config"
2179	or return;	2343	or return;
2180		2344
…		…
2197		2361
2198	sub main {	2362	sub main {
2199	# we must not ever block the main coroutine	2363	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2364	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2366	(async {
2202	async { Event::one_event };	2367	Event::one_event;
		2368	})->prio (Coro::PRIO_MAX);
2203	};	2369	};
2204		2370
2205	cfg_load;	2371	cfg_load;
2206	db_load;	2372	db_init;
2207	load_extensions;	2373	load_extensions;
		2374
		2375	$TICK_WATCHER->start;
2208	Event::loop;	2376	Event::loop;
2209	}	2377	}
2210		2378
2211	#############################################################################	2379	#############################################################################
2212	# initialisation	2380	# initialisation and cleanup
		2381
		2382	# install some emergency cleanup handlers
		2383	BEGIN {
		2384	for my $signal (qw(INT HUP TERM)) {
		2385	Event->signal (
		2386	reentrant => 0,
		2387	data => WF_AUTOCANCEL,
		2388	signal => $signal,
		2389	prio => 0,
		2390	cb => sub {
		2391	cf::cleanup "SIG$signal";
		2392	},
		2393	);
		2394	}
		2395	}
		2396
		2397	sub emergency_save() {
		2398	my $freeze_guard = cf::freeze_mainloop;
		2399
		2400	warn "enter emergency perl save\n";
		2401
		2402	cf::sync_job {
		2403	# use a peculiar iteration method to avoid tripping on perl
		2404	# refcount bugs in for. also avoids problems with players
		2405	# and maps saved/destroyed asynchronously.
		2406	warn "begin emergency player save\n";
		2407	for my $login (keys %cf::PLAYER) {
		2408	my $pl = $cf::PLAYER{$login} or next;
		2409	$pl->valid or next;
		2410	$pl->save;
		2411	}
		2412	warn "end emergency player save\n";
		2413
		2414	warn "begin emergency map save\n";
		2415	for my $path (keys %cf::MAP) {
		2416	my $map = $cf::MAP{$path} or next;
		2417	$map->valid or next;
		2418	$map->save;
		2419	}
		2420	warn "end emergency map save\n";
		2421
		2422	warn "begin emergency database checkpoint\n";
		2423	BDB::db_env_txn_checkpoint $DB_ENV;
		2424	warn "end emergency database checkpoint\n";
		2425	};
		2426
		2427	warn "leave emergency perl save\n";
		2428	}
		2429
		2430	sub post_cleanup {
		2431	my ($make_core) = @_;
		2432
		2433	warn Carp::longmess "post_cleanup backtrace"
		2434	if $make_core;
		2435	}
2213		2436
2214	sub reload() {	2437	sub reload() {
2215	# can/must only be called in main	2438	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2439	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2440	warn "can only reload from main coroutine";
2218	return;	2441	return;
2219	}	2442	}
2220		2443
2221	warn "reloading...";	2444	warn "reloading...";
2222		2445
2223	my $guard = freeze_mainloop;	2446	warn "entering sync_job";
		2447
		2448	cf::sync_job {
		2449	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	2450	cf::emergency_save;
		2451	cf::write_runtime; # external watchdog should not bark
2225		2452
2226	eval {	2453	warn "syncing database to disk";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455
2227	# if anything goes wrong in here, we should simply crash as we already saved	2456	# if anything goes wrong in here, we should simply crash as we already saved
2228		2457
2229	# cancel all watchers	2458	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2459	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2461	}
2233		2462
		2463	warn "flushing outstanding aio requests";
		2464	for (;;) {
		2465	BDB::flush;
		2466	IO::AIO::flush;
		2467	Coro::cede;
		2468	last unless IO::AIO::nreqs || BDB::nreqs;
		2469	warn "iterate...";
		2470	}
		2471
		2472	++$RELOAD;
		2473
2234	# cancel all extension coros	2474	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2475	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2476	%EXT_CORO = ();
2237		2477
2238	# unload all extensions	2478	warn "removing commands";
2239	for (@exts) {	2479	%COMMAND = ();
		2480
		2481	warn "removing ext commands";
		2482	%EXTCMD = ();
		2483
		2484	warn "unloading/nuking all extensions";
		2485	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2486	warn "... unloading $pkg";
2241	unload_extension $_;	2487
		2488	if (my $cb = $pkg->can ("unload")) {
		2489	eval {
		2490	$cb->($pkg);
		2491	1
		2492	} or warn "$pkg unloaded, but with errors: $@";
2242	}	2493	}
2243		2494
		2495	warn "... nuking $pkg";
		2496	Symbol::delete_package $pkg;
		2497	}
		2498
2244	# unload all modules loaded from $LIBDIR	2499	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2500	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2502
2248	warn "removing <$k>";	2503	warn "... unloading $k";
2249	delete $INC{$k};	2504	delete $INC{$k};
2250		2505
2251	$k =~ s/\.pm$//;	2506	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2507	$k =~ s/\//::/g;
2253		2508
…		…
2256	}	2511	}
2257		2512
2258	Symbol::delete_package $k;	2513	Symbol::delete_package $k;
2259	}	2514	}
2260		2515
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2516	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2517	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		2519
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2520	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2521	delete $INC{"cf.pm"};
2274		2522
2275	# don't, removes xs symbols, too,	2523	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2524	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2525	#Symbol::delete_package __PACKAGE__;
2278		2526
2279	# reload cf.pm	2527	warn "unload completed, starting to reload now";
		2528
2280	warn "reloading cf.pm";	2529	warn "reloading cf.pm";
2281	require cf;	2530	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2532
2284	# load config and database again	2533	warn "loading config and database again";
2285	cf::cfg_load;	2534	cf::cfg_load;
2286	cf::db_load;
2287		2535
2288	# load extensions
2289	warn "load extensions";	2536	warn "loading extensions";
2290	cf::load_extensions;	2537	cf::load_extensions;
2291		2538
2292	# reattach attachments to objects	2539	warn "reattaching attachments to objects/players";
2293	warn "reattach";	2540	_global_reattach; # objects, sockets
2294	_global_reattach;	2541	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2542	reattach $_ for values %MAP;
2296	};	2543	warn "reattaching attachments to players";
		2544	reattach $_ for values %PLAYER;
2297		2545
2298	if ($@) {	2546	warn "loading reloadable resources";
		2547	reload_resources;
		2548
		2549	warn "leaving sync_job";
		2550
		2551	1
		2552	} or do {
2299	warn $@;	2553	warn $@;
2300	warn "error while reloading, exiting.";	2554	warn "error while reloading, exiting.";
2301	exit 1;	2555	exit 1;
2302	}	2556	};
2303		2557
2304	warn "reloaded successfully";	2558	warn "reloaded";
2305	};	2559	};
2306		2560
2307	#############################################################################	2561	our $RELOAD_WATCHER; # used only during reload
2308
2309	unless ($LINK_MAP) {
2310	$LINK_MAP = cf::map::new;
2311
2312	$LINK_MAP->width (41);
2313	$LINK_MAP->height (41);
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,
2322	cb => sub {
2323	$_[0]->w->cancel;
2324
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});
2343
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}
2349
2350	register "<global>", __PACKAGE__;
2351		2562
2352	register_command "reload" => sub {	2563	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2564	my ($who, $arg) = @_;
2354		2565
2355	if ($who->flag (FLAG_WIZ)) {	2566	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");	2567	$who->message ("reloading server.");
		2568
		2569	# doing reload synchronously and two reloads happen back-to-back,
		2570	# coro crashes during coro_state_free->destroy here.
		2571
		2572	$RELOAD_WATCHER ||= Event->timer (
		2573	reentrant => 0,
		2574	after => 0,
		2575	data => WF_AUTOCANCEL,
		2576	cb => sub {
2357	reload;	2577	reload;
2358	$who->message ("end of reload.");	2578	undef $RELOAD_WATCHER;
		2579	},
		2580	);
2359	}	2581	}
2360	};	2582	};
2361		2583
2362	unshift @INC, $LIBDIR;	2584	unshift @INC, $LIBDIR;
		2585
		2586	my $bug_warning = 0;
2363		2587
2364	$TICK_WATCHER = Event->timer (	2588	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2589	reentrant => 0,
		2590	parked => 1,
2366	prio => 0,	2591	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2592	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2593	data => WF_AUTOCANCEL,
2369	cb => sub {	2594	cb => sub {
		2595	if ($Coro::current != $Coro::main) {
		2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2597	unless ++$bug_warning > 10;
		2598	return;
		2599	}
		2600
		2601	$NOW = Event::time;
		2602
2370	cf::server_tick; # one server iteration	2603	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;	2604	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2605	$NEXT_TICK += $TICK;
		2606
		2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2608	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2609	Coro::async_pool {
		2610	write_runtime
		2611	or warn "ERROR: unable to write runtime file: $!";
		2612	};
		2613	}
		2614
		2615	$WAIT_FOR_TICK->broadcast;
		2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2617
		2618	# my $AFTER = Event::time;
		2619	# warn $AFTER - $NOW;#d#
2373		2620
2374	# if we are delayed by four ticks or more, skip them all	2621	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		2623
2377	$TICK_WATCHER->at ($NEXT_TICK);	2624	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	2625	$TICK_WATCHER->start;
2379	},	2626	},
2380	);	2627	);
2381		2628
		2629	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	2630	BDB::max_poll_time $TICK * 0.1;
2383		2631	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	2632	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	2633	fd => BDB::poll_fileno,
2386	poll => 'r',	2634	poll => 'r',
2387	prio => 5,	2635	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	2636	data => WF_AUTOCANCEL,
2394	after => 0,	2637	cb => \&BDB::poll_cb,
2395	interval => 10,	2638	);
2396	cb => sub {	2639	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	2640
2398	write_runtime	2641	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	2642	my $status;
		2643	my $current = $Coro::current;
		2644	(
		2645	sub {
		2646	$status = $!;
		2647	$current->ready; undef $current;
		2648	},
		2649	sub {
		2650	Coro::schedule while defined $current;
		2651	$! = $status;
		2652	},
		2653	)
		2654	};
		2655
		2656	unless ($DB_ENV) {
		2657	$DB_ENV = BDB::db_env_create;
		2658
		2659	cf::sync_job {
		2660	eval {
		2661	BDB::db_env_open
		2662	$DB_ENV,
		2663	$BDB_ENV_DIR,
		2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2666	0666;
		2667
		2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2669
		2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2671	$DB_ENV->set_lk_detect;
		2672	};
		2673
		2674	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	2675	};
2401	},	2676	}
2402	);	2677	}
		2678
		2679	{
		2680	IO::AIO::min_parallel 8;
		2681
		2682	undef $Coro::AIO::WATCHER;
		2683	IO::AIO::max_poll_time $TICK * 0.1;
		2684	$AIO_POLL_WATCHER = Event->io (
		2685	reentrant => 0,
		2686	data => WF_AUTOCANCEL,
		2687	fd => IO::AIO::poll_fileno,
		2688	poll => 'r',
		2689	prio => 6,
		2690	cb => \&IO::AIO::poll_cb,
		2691	);
		2692	}
2403		2693
2404	END { cf::emergency_save }	2694	END { cf::emergency_save }
2405		2695
2406	1	2696	1
2407		2697

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