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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.240 by root, Mon Apr 16 10:14:25 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;
		21	use Coro::Storable;
19		22
		23	use BDB ();
20	use Data::Dumper;	24	use Data::Dumper;
21	use Digest::MD5;	25	use Digest::MD5;
22	use Fcntl;	26	use Fcntl;
		27	use YAML::Syck ();
23	use IO::AIO 2.32 ();	28	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
26		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		39
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
33		42
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		44
		45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		46
36	our %COMMAND = ();	47	our %COMMAND = ();
37	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
39		54
		55	our $RELOAD; # number of reloads so far
40	our @EVENT;	56	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
42		58
43	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6;
44	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	63	our $NEXT_TICK;
46	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
47		69
48	our %CFG;	70	our %CFG;
49		71
50	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	73	our $RUNTIME;
52		74
53	our %PLAYER; # all users	75	our %PLAYER; # all users
54	our %MAP; # all maps	76	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	79	our $BDB_ENV_DIR = cf::localdir . "/db";
58		80
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	81	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61		83
62	binmode STDOUT;	84	binmode STDOUT;
63	binmode STDERR;	85	binmode STDERR;
64		86
65	# read virtual server time, if available	87	# read virtual server time, if available
…		…
72	mkdir cf::localdir;	94	mkdir cf::localdir;
73	mkdir cf::localdir . "/" . cf::playerdir;	95	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;	96	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;	97	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;	98	mkdir $RANDOM_MAPS;
		99	mkdir $BDB_ENV_DIR;
77		100
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	101	our $EMERGENCY_POSITION;
		102
		103	sub cf::map::normalise;
81		104
82	#############################################################################	105	#############################################################################
83		106
84	=head2 GLOBAL VARIABLES	107	=head2 GLOBAL VARIABLES
85		108
…		…
110	=item %cf::CFG	133	=item %cf::CFG
111		134
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	135	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	136	from wherever your confdir points to.
114		137
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	138	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		139
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	141	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.
121		143
122	=back	144	=back
123		145
124	=cut	146	=cut
125		147
…		…
156	}	178	}
157		179
158	$Event::DIED = sub {	180	$Event::DIED = sub {
159	warn "error in event callback: @_";	181	warn "error in event callback: @_";
160	};	182	};
161
162	my %ext_pkg;
163	my @exts;
164	my @hook;
165		183
166	=head2 UTILITY FUNCTIONS	184	=head2 UTILITY FUNCTIONS
167		185
168	=over 4	186	=over 4
169		187
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	207	$d
190	} || "[unable to dump $_[0]: '$@']";	208	} || "[unable to dump $_[0]: '$@']";
191	}	209	}
192		210
193	use JSON::Syck (); # TODO# replace by JSON::PC once working	211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194		212
195	=item $ref = cf::from_json $json	213	=item $ref = cf::from_json $json
196		214
197	Converts a JSON string into the corresponding perl data structure.	215	Converts a JSON string into the corresponding perl data structure.
198		216
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	217	=item $json = cf::to_json $ref
207		218
208	Converts a perl data structure into its JSON representation.	219	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		220
217	=item cf::lock_wait $string	221	=item cf::lock_wait $string
218		222
219	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
220		224
…		…
257	}	261	}
258		262
259	sub freeze_mainloop {	263	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
261		265
262	my $guard = Coro::guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	};
263	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
264	$guard	270	$guard
265	}	271	}
266		272
267	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
…		…
319	}	325	}
320	}	326	}
321		327
322	=item $coro = cf::async_ext { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
323		329
324	Like async, but this coro is automcatially being canceled when the	330	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	331	extension calling this is being unloaded.
326		332
327	=cut	333	=cut
328		334
329	sub async_ext(&) {	335	sub async_ext(&) {
…		…
338		344
339	$coro	345	$coro
340	}	346	}
341		347
342	sub write_runtime {	348	sub write_runtime {
		349	my $guard = cf::lock_acquire "write_runtime";
		350
343	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
344		352
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	354	or return;
347		355
		356	my $value = $cf::RUNTIME + 90 + 10;
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	361	and return;
351		362
		363	# always fsync - this file is important
352	aio_fsync $fh	364	aio_fsync $fh
353	and return;	365	and return;
354		366
355	close $fh	367	close $fh
356	or return;	368	or return;
…		…
359	and return;	371	and return;
360		372
361	1	373	1
362	}	374	}
363		375
		376	=item cf::datalog type => key => value, ...
		377
		378	Log a datalog packet of the given type with the given key-value pairs.
		379
		380	=cut
		381
		382	sub datalog($@) {
		383	my ($type, %kv) = @_;
		384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		385	}
		386
364	=back	387	=back
365		388
366	=cut	389	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494		390
495	#############################################################################	391	#############################################################################
496		392
497	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
498		394
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	521	our @CB_MAP = ();
626		522
627	my %attachment;	523	my %attachment;
628		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
629	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
631		533
632	use sort 'stable';	534	use sort 'stable';
633		535
…		…
804	# object support	706	# object support
805		707
806	sub reattach {	708	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		713
810	my $registry = $obj->registry;	714	my $registry = $obj->registry;
811		715
812	@$registry = ();	716	@$registry = ();
813		717
…		…
860	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
861		765
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
866	close $fh;	770	close $fh;
867		771
868	if (@$objs) {	772	if (@$objs) {
869	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
873	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
874	close $fh;	778	close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
876	}	780	}
877	} else {	781	} else {
878	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
945	=cut	849	=cut
946		850
947	sub register_extcmd {	851	sub register_extcmd {
948	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
949		853
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
954	}	855	}
955		856
956	cf::player->attach (	857	cf::player->attach (
957	on_command => sub {	858	on_command => sub {
958	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
971		872
972	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
973		874
974	if (ref $msg) {	875	if (ref $msg) {
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
977	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
978	}	879	}
979	}	880	}
980	} else {	881	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
983		884
984	cf::override;	885	cf::override;
985	},	886	},
986	);	887	);
987		888
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {	889	sub load_extension {
995	my ($path) = @_;	890	my ($path) = @_;
996		891
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;	893	my $base = $1;
999	my $pkg = $1;	894	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
1002		897
1003	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
1004		899
1005	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
1006	or die "$path: $!";	901	or die "$path: $!";
1007		902
1008	my $source =	903	my $source =
1009	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
1012	. "\n};\n1";	907	. "\n};\n1";
1013		908
1014	eval $source	909	unless (eval $source) {
1015	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
1016	: "extension disabled.\n";	911	: "extension disabled.\n";
1017		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1018	push @exts, $pkg;	913	warn $@;
1019	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
1020		915	exit 1;
1021	# no strict 'refs';	916	}
1022	# @{"$pkg\::ISA"} = ext::;	917	die $@;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }	918	}
1037		919
1038	# remove commands	920	push @EXTS, $pkg;
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}
1047	}
1048
1049	# remove extcmds
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}	921	}
1063		922
1064	sub load_extensions {	923	sub load_extensions {
1065	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	925	next unless -r $ext;
…		…
1070	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1071	}	930	}
1072	}	931	}
1073		932
1074	#############################################################################	933	#############################################################################
1075	# load/save/clean perl data associated with a map
1076
1077	*cf::mapsupport::on_clean = sub {
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		934
1090	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1091		936
1092	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1093		938
…		…
1116	}	961	}
1117		962
1118	sub path($) {	963	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		965
1121	(playerdir $login) . "/$login.pl"	966	(playerdir $login) . "/playerdata"
1122	}	967	}
1123		968
1124	sub find_active($) {	969	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	970	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	971	and $cf::PLAYER{$_[0]}->active
…		…
1129		974
1130	sub exists($) {	975	sub exists($) {
1131	my ($login) = @_;	976	my ($login) = @_;
1132		977
1133	$cf::PLAYER{$login}	978	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	979	or cf::sync_job { !aio_stat path $login }
1135	}	980	}
1136		981
1137	sub find($) {	982	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	983	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	984	my $login = $_[0];
1140		985
1141	my $guard = cf::lock_acquire "user_find:$login";	986	my $guard = cf::lock_acquire "user_find:$login";
1142		987
1143	$cf::PLAYER{$_[0]} || do {	988	$cf::PLAYER{$_[0]} || do {
		989	# rename old playerfiles to new ones
		990	#TODO: remove when no longer required
		991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		993	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		994	aio_unlink +(playerdir $login) . "/$login.pl";
		995
1144	my $pl = load_pl path $login	996	my $pl = load_pl path $login
1145	or return;	997	or return;
1146	$cf::PLAYER{$login} = $pl	998	$cf::PLAYER{$login} = $pl
1147	}	999	}
1148	}	1000	}
…		…
1185		1037
1186	=cut	1038	=cut
1187		1039
1188	sub quit_character {	1040	sub quit_character {
1189	my ($pl) = @_;	1041	my ($pl) = @_;
		1042
		1043	my $name = $pl->ob->name;
1190		1044
1191	$pl->{deny_save} = 1;	1045	$pl->{deny_save} = 1;
1192	$pl->password ("*"); # this should lock out the player until we nuked the dir	1046	$pl->password ("*"); # this should lock out the player until we nuked the dir
1193		1047
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1199	my $path = playerdir $pl;	1053	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1054	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1055	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1056	delete $cf::PLAYER{$pl->ob->name};
1203	$pl->destroy;	1057	$pl->destroy;
		1058
		1059	my $prefix = qr<^~\Q$name\E/>;
		1060
		1061	# nuke player maps
		1062	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1063
1204	IO::AIO::aio_rmtree $temp;	1064	IO::AIO::aio_rmtree $temp;
		1065	}
		1066
		1067	=item $pl->kick
		1068
		1069	Kicks a player out of the game. This destroys the connection.
		1070
		1071	=cut
		1072
		1073	sub kick {
		1074	my ($pl, $kicker) = @_;
		1075
		1076	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1077	$pl->killer ("kicked");
		1078	$pl->ns->destroy;
1205	}	1079	}
1206		1080
1207	=item cf::player::list_logins	1081	=item cf::player::list_logins
1208		1082
1209	Returns am arrayref of all valid playernames in the system, can take a	1083	Returns am arrayref of all valid playernames in the system, can take a
…		…
1229	\@logins	1103	\@logins
1230	}	1104	}
1231		1105
1232	=item $player->maps	1106	=item $player->maps
1233		1107
1234	Returns an arrayref of cf::path's of all maps that are private for this	1108	Returns an arrayref of map paths that are private for this
1235	player. May block.	1109	player. May block.
1236		1110
1237	=cut	1111	=cut
1238		1112
1239	sub maps($) {	1113	sub maps($) {
1240	my ($pl) = @_;	1114	my ($pl) = @_;
		1115
		1116	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1117
1242	my $files = aio_readdir playerdir $pl	1118	my $files = aio_readdir playerdir $pl
1243	or return;	1119	or return;
1244		1120
1245	my @paths;	1121	my @paths;
…		…
1247	for (@$files) {	1123	for (@$files) {
1248	utf8::decode $_;	1124	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1125	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1126	next unless /^$PATH_SEP/o;
1251		1127
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1128	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1129	}
1254		1130
1255	\@paths	1131	\@paths
1256	}	1132	}
1257		1133
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1259		1135
1260	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1261		1137
1262	=cut	1138	=cut
1263		1139
1264	sub ext_reply($$$%) {	1140	sub ext_reply($$%) {
1265	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1266		1142
1267	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1268		1144
1269	$self->send ("ext " . cf::to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
1270	}	1146	}
1271		1147
1272	package cf;	1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		1155	my ($self, $type, %msg) = @_;
		1156
		1157	$self->ns->ext_event ($type, %msg);
		1158	}
		1159
		1160	=head3 cf::region
		1161
		1162	=over 4
		1163
		1164	=cut
		1165
		1166	package cf::region;
		1167
		1168	=item cf::region::find_by_path $path
		1169
		1170	Tries to decuce the probable region for a map knowing only its path.
		1171
		1172	=cut
		1173
		1174	sub find_by_path($) {
		1175	my ($path) = @_;
		1176
		1177	my ($match, $specificity);
		1178
		1179	for my $region (list) {
		1180	if ($region->match && $path =~ $region->match) {
		1181	($match, $specificity) = ($region, $region->specificity)
		1182	if $region->specificity > $specificity;
		1183	}
		1184	}
		1185
		1186	$match
		1187	}
1273		1188
1274	=back	1189	=back
1275
1276		1190
1277	=head3 cf::map	1191	=head3 cf::map
1278		1192
1279	=over 4	1193	=over 4
1280		1194
…		…
1283	package cf::map;	1197	package cf::map;
1284		1198
1285	use Fcntl;	1199	use Fcntl;
1286	use Coro::AIO;	1200	use Coro::AIO;
1287		1201
		1202	use overload
		1203	'""' => \&as_string,
		1204	fallback => 1;
		1205
1288	our $MAX_RESET = 3600;	1206	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1207	our $DEFAULT_RESET = 3000;
1290		1208
1291	sub generate_random_map {	1209	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1210	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1211	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1212	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1216	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1217	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1223	(cf::region::find $rmp->{region}), $rmp->{custom}
		1224	)
		1225	}
		1226
		1227	=item cf::map->register ($regex, $prio)
		1228
		1229	Register a handler for the map path matching the given regex at the
		1230	givne priority (higher is better, built-in handlers have priority 0, the
		1231	default).
		1232
		1233	=cut
		1234
		1235	sub register {
		1236	my (undef, $regex, $prio) = @_;
		1237	my $pkg = caller;
		1238
		1239	no strict;
		1240	push @{"$pkg\::ISA"}, __PACKAGE__;
		1241
		1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1243	}
		1244
		1245	# also paths starting with '/'
		1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1247
		1248	sub thawer_merge {
		1249	my ($self, $merge) = @_;
		1250
		1251	# we have to keep some variables in memory intact
		1252	local $self->{path};
		1253	local $self->{load_path};
		1254	local $self->{deny_save};
		1255	local $self->{deny_reset};
		1256
		1257	$self->SUPER::thawer_merge ($merge);
		1258	}
		1259
		1260	sub normalise {
		1261	my ($path, $base) = @_;
		1262
		1263	$path = "$path"; # make sure its a string
		1264
		1265	$path =~ s/\.map$//;
		1266
		1267	# map plan:
		1268	#
		1269	# /! non-realised random map exit (special hack!)
		1270	# {... are special paths that are not being touched
		1271	# ?xxx/... are special absolute paths
		1272	# ?random/... random maps
		1273	# /... normal maps
		1274	# ~user/... per-player map of a specific user
		1275
		1276	$path =~ s/$PATH_SEP/\//go;
		1277
		1278	# treat it as relative path if it starts with
		1279	# something that looks reasonable
		1280	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1281	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1282
		1283	$base =~ s{[^/]+/?$}{};
		1284	$path = "$base/$path";
		1285	}
		1286
		1287	for ($path) {
		1288	redo if s{//}{/};
		1289	redo if s{/\.?/}{/};
		1290	redo if s{/[^/]+/\.\./}{/};
		1291	}
		1292
		1293	$path
		1294	}
		1295
		1296	sub new_from_path {
		1297	my (undef, $path, $base) = @_;
		1298
		1299	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1300
		1301	$path = normalise $path, $base;
		1302
		1303	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1304	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1305	my $self = bless cf::map::new, $pkg;
		1306	$self->{path} = $path; $self->path ($path);
		1307	$self->init; # pass $1 etc.
		1308	return $self;
		1309	}
		1310	}
		1311
		1312	Carp::carp "unable to resolve path '$path' (base '$base').";
		1313	()
		1314	}
		1315
		1316	sub init {
		1317	my ($self) = @_;
		1318
		1319	$self
		1320	}
		1321
		1322	sub as_string {
		1323	my ($self) = @_;
		1324
		1325	"$self->{path}"
		1326	}
		1327
		1328	# the displayed name, this is a one way mapping
		1329	sub visible_name {
		1330	&as_string
		1331	}
		1332
		1333	# the original (read-only) location
		1334	sub load_path {
		1335	my ($self) = @_;
		1336
		1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1338	}
		1339
		1340	# the temporary/swap location
		1341	sub save_path {
		1342	my ($self) = @_;
		1343
		1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1346	}
		1347
		1348	# the unique path, undef == no special unique path
		1349	sub uniq_path {
		1350	my ($self) = @_;
		1351
		1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1308	}	1354	}
1309		1355
1310	# and all this just because we cannot iterate over	1356	# and all this just because we cannot iterate over
1311	# all maps in C++...	1357	# all maps in C++...
1312	sub change_all_map_light {	1358	sub change_all_map_light {
…		…
1314		1360
1315	$_->change_map_light ($change)	1361	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1362	for grep $_->outdoor, values %cf::MAP;
1317	}	1363	}
1318		1364
		1365	sub unlink_save {
		1366	my ($self) = @_;
		1367
		1368	utf8::encode (my $save = $self->save_path);
		1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1370	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1371	}
		1372
1319	sub try_load_header($) {	1373	sub load_header_from($) {
1320	my ($path) = @_;	1374	my ($self, $path) = @_;
1321		1375
1322	utf8::encode $path;	1376	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
		1378	# or return;
		1379
		1380	$self->_load_header ($path)
1324	or return;	1381	or return;
1325		1382
1326	my $map = cf::map::new	1383	$self->{load_path} = $path;
		1384
		1385	1
		1386	}
		1387
		1388	sub load_header_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->load_header_from ($self->load_path)
		1392	}
		1393
		1394	sub load_header_temp {
		1395	my ($self) = @_;
		1396
		1397	$self->load_header_from ($self->save_path)
		1398	}
		1399
		1400	sub prepare_temp {
		1401	my ($self) = @_;
		1402
		1403	$self->last_access ((delete $self->{last_access})
		1404	|| $cf::RUNTIME); #d#
		1405	# safety
		1406	$self->{instantiate_time} = $cf::RUNTIME
		1407	if $self->{instantiate_time} > $cf::RUNTIME;
		1408	}
		1409
		1410	sub prepare_orig {
		1411	my ($self) = @_;
		1412
		1413	$self->{load_original} = 1;
		1414	$self->{instantiate_time} = $cf::RUNTIME;
		1415	$self->last_access ($cf::RUNTIME);
		1416	$self->instantiate;
		1417	}
		1418
		1419	sub load_header {
		1420	my ($self) = @_;
		1421
		1422	if ($self->load_header_temp) {
		1423	$self->prepare_temp;
		1424	} else {
		1425	$self->load_header_orig
1327	or return;	1426	or return;
		1427	$self->prepare_orig;
		1428	}
1328		1429
1329	# for better error messages only, will be overwritten	1430	$self->default_region (cf::region::find_by_path $self->{path})
1330	$map->path ($path);	1431	unless $self->default_region;
1331		1432
1332	$map->load_header ($path)	1433	1
1333	or return;
1334
1335	$map->{load_path} = $path;
1336
1337	$map
1338	}	1434	}
1339		1435
1340	sub find;	1436	sub find;
1341	sub find {	1437	sub find {
1342	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1343		1439
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1440	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1441
1349	cf::lock_wait "map_find:$key";	1442	cf::lock_wait "map_find:$path";
1350		1443
1351	$cf::MAP{$key} || do {	1444	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1445	my $guard = cf::lock_acquire "map_find:$path";
1353		1446	my $map = new_from_path cf::map $path
1354	# do it the slow way
1355	my $map = try_load_header $path->save_path;
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1447	or return;
1373		1448
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1449	$map->{last_save} = $cf::RUNTIME;
1386		1450
1387	Coro::cede;	1451	$map->load_header
		1452	or return;
1388		1453
1389	if ($map->should_reset) {	1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1455	# doing this can freeze the server in a sync job, obviously
		1456	#$cf::WAIT_FOR_TICK->wait;
1390	$map->reset;	1457	$map->reset;
1391	undef $guard;	1458	undef $guard;
1392	$map = find $path	1459	return find $path;
1393	or return;
1394	}	1460	}
1395		1461
1396	$cf::MAP{$key} = $map	1462	$cf::MAP{$path} = $map
1397	}	1463	}
1398	}	1464	}
		1465
		1466	sub pre_load { }
		1467	sub post_load { }
1399		1468
1400	sub load {	1469	sub load {
1401	my ($self) = @_;	1470	my ($self) = @_;
1402		1471
		1472	local $self->{deny_reset} = 1; # loading can take a long time
		1473
1403	my $path = $self->{path};	1474	my $path = $self->{path};
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1475	my $guard = cf::lock_acquire "map_load:$path";
1405		1476
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1478
1408	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1409		1480
1410	$self->alloc;	1481	$self->alloc;
		1482
		1483	$self->pre_load;
		1484	Coro::cede;
		1485
1411	$self->load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1412	or return;	1487	or return;
1413		1488
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	1490	if delete $self->{load_original};
1416		1491
1417	if (my $uniq = $path->uniq_path) {	1492	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	1493	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	1494	if (aio_open $uniq, O_RDONLY, 0) {
1420	$self->clear_unique_items;	1495	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1422	}	1497	}
1423	}	1498	}
1424		1499
1425	Coro::cede;	1500	Coro::cede;
1426
1427	# now do the right thing for maps	1501	# now do the right thing for maps
1428	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1429		1504
1430	if ($self->{path}->is_style_map) {	1505	unless ($self->{deny_activate}) {
1431	$self->{deny_save} = 1;	1506	$self->decay_objects;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;	1508	$self->update_buttons;
		1509	Coro::cede;
1437	$self->set_darkness_map;	1510	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	1512	unless $self->difficulty;
		1513	Coro::cede;
1440	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1441	}	1516	}
1442		1517
		1518	$self->post_load;
1443	Coro::cede;	1519	Coro::cede;
1444		1520
1445	$self->in_memory (cf::MAP_IN_MEMORY);	1521	$self->in_memory (cf::MAP_IN_MEMORY);
		1522	}
		1523
		1524	sub customise_for {
		1525	my ($self, $ob) = @_;
		1526
		1527	return find "~" . $ob->name . "/" . $self->{path}
		1528	if $self->per_player;
		1529
		1530	$self
1446	}	1531	}
1447		1532
1448	# find and load all maps in the 3x3 area around a map	1533	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	1534	sub load_diag {
1450	my ($map) = @_;	1535	my ($map) = @_;
…		…
1480		1565
1481	cf::sync_job { $map->load };	1566	cf::sync_job { $map->load };
1482	}	1567	}
1483		1568
1484	our %MAP_PREFETCH;	1569	our %MAP_PREFETCH;
1485	our $MAP_PREFETCHER = Coro::async {	1570	our $MAP_PREFETCHER = undef;
1486	while () {
1487	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH
1489	or next;
1490	my $path = delete $MAP_PREFETCH{$key};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}
1496	Coro::schedule;
1497	}
1498	};
1499		1571
1500	sub find_async {	1572	sub find_async {
1501	my ($path, $origin) = @_;	1573	my ($path, $origin) = @_;
1502		1574
1503	$path = new cf::path $path, $origin && $origin->path;	1575	$path = normalise $path, $origin && $origin->{path};
1504	my $key = $path->as_string;
1505		1576
1506	if (my $map = $cf::MAP{$key}) {	1577	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}	1579	}
1509		1580
1510	$MAP_PREFETCH{$key} = $path;	1581	undef $MAP_PREFETCH{$path};
		1582	$MAP_PREFETCHER ||= cf::async {
		1583	while (%MAP_PREFETCH) {
		1584	for my $path (keys %MAP_PREFETCH) {
		1585	my $map = find $path
		1586	or next;
		1587	$map->load;
		1588
		1589	delete $MAP_PREFETCH{$path};
		1590	}
		1591	}
		1592	undef $MAP_PREFETCHER;
		1593	};
1511	$MAP_PREFETCHER->ready;	1594	$MAP_PREFETCHER->prio (6);
1512		1595
1513	()	1596	()
1514	}	1597	}
1515		1598
1516	sub save {	1599	sub save {
…		…
1520		1603
1521	$self->{last_save} = $cf::RUNTIME;	1604	$self->{last_save} = $cf::RUNTIME;
1522		1605
1523	return unless $self->dirty;	1606	return unless $self->dirty;
1524		1607
1525	my $save = $self->{path}->save_path; utf8::encode $save;	1608	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1609	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		1610
1528	$self->{load_path} = $save;	1611	$self->{load_path} = $save;
1529		1612
1530	return if $self->{deny_save};	1613	return if $self->{deny_save};
1531		1614
…		…
1534	cf::async {	1617	cf::async {
1535	$_->contr->save for $self->players;	1618	$_->contr->save for $self->players;
1536	};	1619	};
1537		1620
1538	if ($uniq) {	1621	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	1624	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	1626	}
1544	}	1627	}
1545		1628
1546	sub swap_out {	1629	sub swap_out {
1547	my ($self) = @_;	1630	my ($self) = @_;
…		…
1561		1644
1562	sub reset_at {	1645	sub reset_at {
1563	my ($self) = @_;	1646	my ($self) = @_;
1564		1647
1565	# TODO: safety, remove and allow resettable per-player maps	1648	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};	1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1567	return 1e99 if $self->{deny_reset};	1650	return 1e99 if $self->{deny_reset};
1568		1651
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		1654
…		…
1576	my ($self) = @_;	1659	my ($self) = @_;
1577		1660
1578	$self->reset_at <= $cf::RUNTIME	1661	$self->reset_at <= $cf::RUNTIME
1579	}	1662	}
1580		1663
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	1664	sub reset {
1603	my ($self) = @_;	1665	my ($self) = @_;
1604		1666
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		1668
1607	return if $self->players;	1669	return if $self->players;
1608	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1609		1671
1610	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1611		1673
		1674	$self->in_memory (cf::MAP_SWAPPED);
		1675
		1676	# need to save uniques path
		1677	unless ($self->{deny_save}) {
		1678	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1679
		1680	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1681	if $uniq;
		1682	}
		1683
1612	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
		1685
		1686	$self->clear;
1613		1687
1614	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1615		1689
1616	$self->unlink_save;	1690	$self->unlink_save;
1617	$self->destroy;	1691	$self->destroy;
…		…
1620	my $nuke_counter = "aaaa";	1694	my $nuke_counter = "aaaa";
1621		1695
1622	sub nuke {	1696	sub nuke {
1623	my ($self) = @_;	1697	my ($self) = @_;
1624		1698
		1699	delete $cf::MAP{$self->path};
		1700
		1701	$self->unlink_save;
		1702
		1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	1705	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	1706	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1708
		1709	$cf::MAP{$self->path} = $self;
		1710
1628	$self->reset; # polite request, might not happen	1711	$self->reset; # polite request, might not happen
1629	}	1712	}
1630		1713
1631	sub customise_for {
1632	my ($map, $ob) = @_;
1633
1634	if ($map->per_player) {
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1636	}
1637
1638	$map
1639	}
1640
1641	=item cf::map::unique_maps	1714	=item cf::map::unique_maps
1642		1715
1643	Returns an arrayref of cf::path's of all shared maps that have	1716	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	1717	instantiated unique items. May block.
1645		1718
1646	=cut	1719	=cut
1647		1720
1648	sub unique_maps() {	1721	sub unique_maps() {
…		…
1654	for (@$files) {	1727	for (@$files) {
1655	utf8::decode $_;	1728	utf8::decode $_;
1656	next if /\.pst$/;	1729	next if /\.pst$/;
1657	next unless /^$PATH_SEP/o;	1730	next unless /^$PATH_SEP/o;
1658		1731
1659	push @paths, new cf::path $_;	1732	push @paths, cf::map::normalise $_;
1660	}	1733	}
1661		1734
1662	\@paths	1735	\@paths
1663	}	1736	}
1664		1737
…		…
1739		1812
1740	=item $player_object->enter_link	1813	=item $player_object->enter_link
1741		1814
1742	Freezes the player and moves him/her to a special map (C<{link}>).	1815	Freezes the player and moves him/her to a special map (C<{link}>).
1743		1816
1744	The player should be reaosnably safe there for short amounts of time. You	1817	The player should be reasonably safe there for short amounts of time. You
1745	I<MUST> call C<leave_link> as soon as possible, though.	1818	I<MUST> call C<leave_link> as soon as possible, though.
1746		1819
		1820	Will never block.
		1821
1747	=item $player_object->leave_link ($map, $x, $y)	1822	=item $player_object->leave_link ($map, $x, $y)
1748		1823
1749	Moves the player out of the specila link map onto the given map. If the	1824	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	1825	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	1826	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	1827	fails, to the emergency map position.
1753		1828
1754	Might block.	1829	Might block.
1755		1830
1756	=cut	1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($LINK_MAP) {
		1835	$LINK_MAP = cf::map::find "{link}"
		1836	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1837	$LINK_MAP->load;
		1838	}
		1839
		1840	$LINK_MAP
		1841	}
1757		1842
1758	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1759	my ($self) = @_;	1844	my ($self) = @_;
1760		1845
1761	$self->deactivate_recursive;	1846	$self->deactivate_recursive;
1762		1847
1763	return if $self->map == $LINK_MAP;	1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		1849
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	1851	if $self->map;
1767		1852
1768	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	1854	}
1770		1855
1771	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1773		1858
…		…
1795	$map->load;	1880	$map->load;
1796	$map->load_diag;	1881	$map->load_diag;
1797		1882
1798	return unless $self->contr->active;	1883	return unless $self->contr->active;
1799	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1801	}	1888	}
1802		1889
1803	cf::player->attach (	1890	cf::player->attach (
1804	on_logout => sub {	1891	on_logout => sub {
…		…
1817	# try to abort aborted map switching on player login :)	1904	# try to abort aborted map switching on player login :)
1818	# should happen only on crashes	1905	# should happen only on crashes
1819	if ($pl->ob->{_link_pos}) {	1906	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;	1907	$pl->ob->enter_link;
1821	(async {	1908	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,	1909	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "	1910	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",	1911	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);	1912	cf::NDI_RED);
		1913	# we need this sleep as the login has a concurrent enter_exit running
		1914	# and this sleep increases chances of the player not ending up in scorn
1828	Coro::Timer::sleep 1;	1915	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;	1916	$pl->ob->leave_link;
1830	})->prio (2);	1917	})->prio (2);
1831	}	1918	}
1832	},	1919	},
…		…
1837	=cut	1924	=cut
1838		1925
1839	sub cf::object::player::goto {	1926	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1841		1928
1842	$path = new cf::path $path;
1843
1844	$self->enter_link;	1929	$self->enter_link;
1845		1930
1846	(async {	1931	(async {
		1932	my $map = eval {
1847	my $map = cf::map::find $path->as_string;	1933	my $map = cf::map::find $path;
1848	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1849		1935	$map
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	1936	} or
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		1938
1855	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1856	})->prio (1);	1940	})->prio (1);
1857	}	1941	}
1858		1942
…		…
1862		1946
1863	sub parse_random_map_params {	1947	sub parse_random_map_params {
1864	my ($spec) = @_;	1948	my ($spec) = @_;
1865		1949
1866	my $rmp = { # defaults	1950	my $rmp = { # defaults
1867	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1869	};	1955	};
1870		1956
1871	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1873		1959
…		…
1877	$rmp	1963	$rmp
1878	}	1964	}
1879		1965
1880	sub prepare_random_map {	1966	sub prepare_random_map {
1881	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		1970
1883	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	1973	# that depends on the exit object
1886		1974
1887	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1888		1976
1889	if ($exit->map) {	1977	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1894	}	1982	}
1895		1983
1896	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1897		1985
1898	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1900		1989
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	1991	aio_write $fh, 0, (length $data), $data, 0;
		1992	undef $fh;
		1993	aio_rename "$meta~", $meta;
1903		1994
1904	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	1996	$exit->msg (undef);
1906	}	1997	}
1907	}	1998	}
1908		1999
1909	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1911		2002
1912	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
		2004
		2005	if ($exit->slaying eq "/!") {
		2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2007	# the problem is that $exit might not survive long enough
		2008	# so it needs to be done right now, right here
		2009	cf::sync_job { prepare_random_map $exit };
		2010	}
		2011
		2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2013	my $hp = $exit->stats->hp;
		2014	my $sp = $exit->stats->sp;
1913		2015
1914	$self->enter_link;	2016	$self->enter_link;
1915		2017
1916	(async {	2018	(async {
1917	$self->deactivate_recursive; # just to be sure	2019	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	2020	unless (eval {
1919	prepare_random_map $exit	2021	$self->goto ($slaying, $hp, $sp);
1920	if $exit->slaying eq "/!";
1921
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924		2022
1925	1;	2023	1;
1926	}) {	2024	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "I'll try to bring you back to the map you were before. "	2026	. "I'll try to bring you back to the map you were before. "
1929	. "Please report this to the dungeon master!",	2027	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2028	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2029
1932	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1933	$self->leave_link;	2031	$self->leave_link;
1934	}	2032	}
1935	})->prio (1);	2033	})->prio (1);
…		…
1948		2046
1949	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1951		2049
1952	utf8::encode $text;	2050	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2052	}
1955		2053
		2054	=item $client->ext_event ($type, %msg)
		2055
		2056	Sends an exti event to the client.
		2057
		2058	=cut
		2059
		2060	sub cf::client::ext_event($$%) {
		2061	my ($self, $type, %msg) = @_;
		2062
		2063	$msg{msgtype} = "event_$type";
		2064	$self->send_packet ("ext " . cf::to_json \%msg);
		2065	}
1956		2066
1957	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1958		2068
1959	Queues a query to the client, calling the given callback with	2069	Queues a query to the client, calling the given callback with
1960	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1989	# get handled first	2099	# get handled first
1990	my $queue = delete $ns->{query_queue}	2100	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	2101	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		2102
1993	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2105
1995	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1996		2107
1997	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2109	if (@$queue) {
…		…
2056		2167
2057	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
2058		2169
2059	=pod	2170	=pod
2060		2171
2061	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
2062		2173
2063	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
2064	cf::object::player player	2175	cf::object::player player
2065	cf::player peaceful	2176	cf::player peaceful
2066	cf::map trigger	2177	cf::map trigger
…		…
2159	The parameter C<$family> should best start with the name of the extension	2270	The parameter C<$family> should best start with the name of the extension
2160	using it, it should be unique.	2271	using it, it should be unique.
2161		2272
2162	=over 4	2273	=over 4
2163		2274
2164	=item $hashref = cf::db_get $family
2165
2166	Return a hashref for use by the extension C<$family>, which can be
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169
2170	=item $value = cf::db_get $family => $key	2275	=item $value = cf::db_get $family => $key
2171		2276
2172	Returns a single value from the database	2277	Returns a single value from the database.
2173
2174	=item cf::db_put $family => $hashref
2175
2176	Stores the given family hashref into the database. Updates are delayed, if
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178		2278
2179	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
2180		2280
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	Stores the given C<$value> in the family.
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191		2282
2192	=cut	2283	=cut
2193		2284
2194	our $DB;	2285	our $DB;
2195		2286
2196	{	2287	sub db_init {
		2288	unless ($DB) {
		2289	$DB = BDB::db_create $DB_ENV;
		2290
		2291	cf::sync_job {
		2292	eval {
		2293	$DB->set_flags (BDB::CHKSUM);
		2294
		2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2297	cf::cleanup "db_open(db): $!" if $!;
		2298	};
		2299	cf::cleanup "db_open(db): $@" if $@;
		2300	};
		2301
2197	my $path = cf::localdir . "/database.pst";	2302	my $path = cf::localdir . "/database.pst";
		2303	if (stat $path) {
		2304	cf::sync_job {
		2305	my $pst = Storable::retrieve $path;
2198		2306
2199	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
2200	$DB = stat $path ? Storable::retrieve $path : { };	2308	cf::db_put (guildrules => data => $pst->{guildrules});
2201	}	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
		2310	BDB::db_env_txn_checkpoint $DB_ENV;
2202		2311
2203	my $pid;	2312	unlink $path;
2204
2205	sub db_save() {
2206	waitpid $pid, 0 if $pid;
2207	if (0 == ($pid = fork)) {
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}	2313	};
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});
2225
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}
2230
2231	sub db_get($;$) {
2232	@_ >= 2
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236
2237	sub db_put($$;$) {
2238	if (@_ >= 3) {
2239	$DB->{$_[0]}{$_[1]} = $_[2];
2240	} else {
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245
2246	cf::global->attach (
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	2314	}
2251	);	2315	}
		2316	}
		2317
		2318	sub db_get($$) {
		2319	my $key = "$_[0]/$_[1]";
		2320
		2321	cf::sync_job {
		2322	BDB::db_get $DB, undef, $key, my $data;
		2323
		2324	$! ? ()
		2325	: Compress::LZF::sthaw $data
		2326	}
		2327	}
		2328
		2329	sub db_put($$$) {
		2330	BDB::dbreq_pri 4;
		2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2252	}	2332	}
2253		2333
2254	#############################################################################	2334	#############################################################################
2255	# the server's main()	2335	# the server's init and main functions
		2336
		2337	sub load_facedata {
		2338	my $path = sprintf "%s/facedata", cf::datadir;
		2339
		2340	warn "loading facedata from $path\n";
		2341
		2342	my $facedata;
		2343	0 < aio_load $path, $facedata
		2344	or die "$path: $!";
		2345
		2346	$facedata = Coro::Storable::thaw $facedata;
		2347
		2348	$facedata->{version} == 2
		2349	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2350
		2351	{
		2352	my $faces = $facedata->{faceinfo};
		2353
		2354	while (my ($face, $info) = each %$faces) {
		2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2359	Coro::cede;
		2360	}
		2361
		2362	while (my ($face, $info) = each %$faces) {
		2363	next unless $info->{smooth};
		2364	my $idx = cf::face::find $face
		2365	or next;
		2366	if (my $smooth = cf::face::find $info->{smooth}) {
		2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2368	} else {
		2369	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2370	}
		2371	Coro::cede;
		2372	}
		2373	}
		2374
		2375	{
		2376	my $anims = $facedata->{animinfo};
		2377
		2378	while (my ($anim, $info) = each %$anims) {
		2379	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2380	Coro::cede;
		2381	}
		2382
		2383	cf::anim::invalidate_all; # d'oh
		2384	}
		2385
		2386	1
		2387	}
		2388
		2389	sub reload_resources {
		2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2391	or die "unable to load regions file\n";#d#
		2392	load_facedata
		2393	or die "unable to load facedata\n";#d#
		2394	}
		2395
		2396	sub init {
		2397	reload_resources;
		2398	}
2256		2399
2257	sub cfg_load {	2400	sub cfg_load {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	2401	open my $fh, "<:utf8", cf::confdir . "/config"
2259	or return;	2402	or return;
2260		2403
…		…
2277		2420
2278	sub main {	2421	sub main {
2279	# we must not ever block the main coroutine	2422	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	2423	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2424	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2425	(async {
2282	async { Event::one_event };	2426	Event::one_event;
		2427	})->prio (Coro::PRIO_MAX);
2283	};	2428	};
2284		2429
2285	cfg_load;	2430	cfg_load;
2286	db_load;	2431	db_init;
2287	load_extensions;	2432	load_extensions;
		2433
		2434	$TICK_WATCHER->start;
2288	Event::loop;	2435	Event::loop;
2289	}	2436	}
2290		2437
2291	#############################################################################	2438	#############################################################################
2292	# initialisation and cleanup	2439	# initialisation and cleanup
2293		2440
2294	# install some emergency cleanup handlers	2441	# install some emergency cleanup handlers
2295	BEGIN {	2442	BEGIN {
2296	for my $signal (qw(INT HUP TERM)) {	2443	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	2444	Event->signal (
		2445	reentrant => 0,
2298	data => WF_AUTOCANCEL,	2446	data => WF_AUTOCANCEL,
2299	signal => $signal,	2447	signal => $signal,
		2448	prio => 0,
2300	cb => sub {	2449	cb => sub {
2301	cf::cleanup "SIG$signal";	2450	cf::cleanup "SIG$signal";
2302	},	2451	},
2303	);	2452	);
2304	}	2453	}
2305	}	2454	}
…		…
2310	warn "enter emergency perl save\n";	2459	warn "enter emergency perl save\n";
2311		2460
2312	cf::sync_job {	2461	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	2462	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	2463	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	2464	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	2465	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	2466	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	2467	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	2468	$pl->valid or next;
2320	$pl->save;	2469	$pl->save;
…		…
2326	my $map = $cf::MAP{$path} or next;	2475	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	2476	$map->valid or next;
2328	$map->save;	2477	$map->save;
2329	}	2478	}
2330	warn "end emergency map save\n";	2479	warn "end emergency map save\n";
		2480
		2481	warn "begin emergency database checkpoint\n";
		2482	BDB::db_env_txn_checkpoint $DB_ENV;
		2483	warn "end emergency database checkpoint\n";
2331	};	2484	};
2332		2485
2333	warn "leave emergency perl save\n";	2486	warn "leave emergency perl save\n";
		2487	}
		2488
		2489	sub post_cleanup {
		2490	my ($make_core) = @_;
		2491
		2492	warn Carp::longmess "post_cleanup backtrace"
		2493	if $make_core;
2334	}	2494	}
2335		2495
2336	sub reload() {	2496	sub reload() {
2337	# can/must only be called in main	2497	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	2498	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	2499	warn "can only reload from main coroutine";
2340	return;	2500	return;
2341	}	2501	}
2342		2502
2343	warn "reloading...";	2503	warn "reloading...";
2344		2504
2345	my $guard = freeze_mainloop;	2505	warn "entering sync_job";
		2506
		2507	cf::sync_job {
		2508	cf::write_runtime; # external watchdog should not bark
2346	cf::emergency_save;	2509	cf::emergency_save;
		2510	cf::write_runtime; # external watchdog should not bark
2347		2511
2348	eval {	2512	warn "syncing database to disk";
		2513	BDB::db_env_txn_checkpoint $DB_ENV;
		2514
2349	# if anything goes wrong in here, we should simply crash as we already saved	2515	# if anything goes wrong in here, we should simply crash as we already saved
2350		2516
2351	# cancel all watchers	2517	warn "cancelling all WF_AUTOCANCEL watchers";
2352	for (Event::all_watchers) {	2518	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	2519	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}	2520	}
2355		2521
		2522	warn "flushing outstanding aio requests";
		2523	for (;;) {
		2524	BDB::flush;
		2525	IO::AIO::flush;
		2526	Coro::cede;
		2527	last unless IO::AIO::nreqs || BDB::nreqs;
		2528	warn "iterate...";
		2529	}
		2530
		2531	++$RELOAD;
		2532
2356	# cancel all extension coros	2533	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	2534	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	2535	%EXT_CORO = ();
2359		2536
2360	# unload all extensions	2537	warn "removing commands";
2361	for (@exts) {	2538	%COMMAND = ();
		2539
		2540	warn "removing ext commands";
		2541	%EXTCMD = ();
		2542
		2543	warn "unloading/nuking all extensions";
		2544	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	2545	warn "... unloading $pkg";
2363	unload_extension $_;	2546
		2547	if (my $cb = $pkg->can ("unload")) {
		2548	eval {
		2549	$cb->($pkg);
		2550	1
		2551	} or warn "$pkg unloaded, but with errors: $@";
2364	}	2552	}
2365		2553
		2554	warn "... nuking $pkg";
		2555	Symbol::delete_package $pkg;
		2556	}
		2557
2366	# unload all modules loaded from $LIBDIR	2558	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	2559	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2560	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		2561
2370	warn "removing <$k>";	2562	warn "... unloading $k";
2371	delete $INC{$k};	2563	delete $INC{$k};
2372		2564
2373	$k =~ s/\.pm$//;	2565	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	2566	$k =~ s/\//::/g;
2375		2567
…		…
2378	}	2570	}
2379		2571
2380	Symbol::delete_package $k;	2572	Symbol::delete_package $k;
2381	}	2573	}
2382		2574
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	2575	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	2576	Symbol::delete_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2577	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		2578
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	2579	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	2580	delete $INC{"cf.pm"};
2396		2581
2397	# don't, removes xs symbols, too,	2582	# don't, removes xs symbols, too,
2398	# and global variables created in xs	2583	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	2584	#Symbol::delete_package __PACKAGE__;
2400		2585
2401	# reload cf.pm	2586	warn "unload completed, starting to reload now";
		2587
2402	warn "reloading cf.pm";	2588	warn "reloading cf.pm";
2403	require cf;	2589	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		2591
2406	# load config and database again	2592	warn "loading config and database again";
2407	cf::cfg_load;	2593	cf::cfg_load;
2408	cf::db_load;
2409		2594
2410	# load extensions
2411	warn "load extensions";	2595	warn "loading extensions";
2412	cf::load_extensions;	2596	cf::load_extensions;
2413		2597
2414	# reattach attachments to objects	2598	warn "reattaching attachments to objects/players";
2415	warn "reattach";	2599	_global_reattach; # objects, sockets
2416	_global_reattach;	2600	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	2601	reattach $_ for values %MAP;
2418	};	2602	warn "reattaching attachments to players";
		2603	reattach $_ for values %PLAYER;
2419		2604
2420	if ($@) {	2605	warn "loading reloadable resources";
		2606	reload_resources;
		2607
		2608	warn "leaving sync_job";
		2609
		2610	1
		2611	} or do {
2421	warn $@;	2612	warn $@;
2422	warn "error while reloading, exiting.";	2613	warn "error while reloading, exiting.";
2423	exit 1;	2614	exit 1;
2424	}	2615	};
2425		2616
2426	warn "reloaded successfully";	2617	warn "reloaded";
2427	};	2618	};
2428		2619
2429	#############################################################################	2620	our $RELOAD_WATCHER; # used only during reload
2430
2431	unless ($LINK_MAP) {
2432	$LINK_MAP = cf::map::new;
2433
2434	$LINK_MAP->width (41);
2435	$LINK_MAP->height (41);
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,
2444	cb => sub {
2445	$_[0]->w->cancel;
2446
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});
2465
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}
2471
2472	register "<global>", __PACKAGE__;
2473		2621
2474	register_command "reload" => sub {	2622	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	2623	my ($who, $arg) = @_;
2476		2624
2477	if ($who->flag (FLAG_WIZ)) {	2625	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");	2626	$who->message ("reloading server.");
		2627
		2628	# doing reload synchronously and two reloads happen back-to-back,
		2629	# coro crashes during coro_state_free->destroy here.
		2630
		2631	$RELOAD_WATCHER ||= Event->timer (
		2632	reentrant => 0,
		2633	after => 0,
		2634	data => WF_AUTOCANCEL,
		2635	cb => sub {
2479	reload;	2636	reload;
2480	$who->message ("end of reload.");	2637	undef $RELOAD_WATCHER;
		2638	},
		2639	);
2481	}	2640	}
2482	};	2641	};
2483		2642
2484	unshift @INC, $LIBDIR;	2643	unshift @INC, $LIBDIR;
		2644
		2645	my $bug_warning = 0;
		2646
		2647	our @WAIT_FOR_TICK;
		2648	our @WAIT_FOR_TICK_BEGIN;
		2649
		2650	sub wait_for_tick {
		2651	return unless $TICK_WATCHER->is_active;
		2652	my $signal = new Coro::Signal;
		2653	push @WAIT_FOR_TICK, $signal;
		2654	$signal->wait;
		2655	}
		2656
		2657	sub wait_for_tick_begin {
		2658	return unless $TICK_WATCHER->is_active;
		2659	my $signal = new Coro::Signal;
		2660	push @WAIT_FOR_TICK_BEGIN, $signal;
		2661	$signal->wait;
		2662	}
2485		2663
2486	$TICK_WATCHER = Event->timer (	2664	$TICK_WATCHER = Event->timer (
2487	reentrant => 0,	2665	reentrant => 0,
		2666	parked => 1,
2488	prio => 0,	2667	prio => 0,
2489	at => $NEXT_TICK || $TICK,	2668	at => $NEXT_TICK || $TICK,
2490	data => WF_AUTOCANCEL,	2669	data => WF_AUTOCANCEL,
2491	cb => sub {	2670	cb => sub {
		2671	if ($Coro::current != $Coro::main) {
		2672	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2673	unless ++$bug_warning > 10;
		2674	return;
		2675	}
		2676
		2677	$NOW = Event::time;
		2678
2492	cf::server_tick; # one server iteration	2679	cf::server_tick; # one server iteration
2493	$RUNTIME += $TICK;	2680	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	2681	$NEXT_TICK += $TICK;
2495		2682
2496	$WAIT_FOR_TICK->broadcast;	2683	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2684	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2685	Coro::async_pool {
		2686	write_runtime
		2687	or warn "ERROR: unable to write runtime file: $!";
		2688	};
		2689	}
		2690
		2691	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2692	$sig->send;
		2693	}
		2694	while (my $sig = shift @WAIT_FOR_TICK) {
		2695	$sig->send;
		2696	}
		2697
		2698	# my $AFTER = Event::time;
		2699	# warn $AFTER - $NOW;#d#
2498		2700
2499	# if we are delayed by four ticks or more, skip them all	2701	# if we are delayed by four ticks or more, skip them all
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2702	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501		2703
2502	$TICK_WATCHER->at ($NEXT_TICK);	2704	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;	2705	$TICK_WATCHER->start;
2504	},	2706	},
2505	);	2707	);
2506		2708
		2709	{
2507	IO::AIO::max_poll_time $TICK * 0.2;	2710	BDB::max_poll_time $TICK * 0.1;
2508		2711	$BDB_POLL_WATCHER = Event->io (
2509	Event->io (	2712	reentrant => 0,
2510	fd => IO::AIO::poll_fileno,	2713	fd => BDB::poll_fileno,
2511	poll => 'r',	2714	poll => 'r',
2512	prio => 5,	2715	prio => 0,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,	2716	data => WF_AUTOCANCEL,
2519	after => 0,	2717	cb => \&BDB::poll_cb,
2520	interval => 10,	2718	);
2521	cb => sub {	2719	BDB::min_parallel 8;
2522	(Coro::unblock_sub {	2720
2523	write_runtime	2721	BDB::set_sync_prepare {
2524	or warn "ERROR: unable to write runtime file: $!";	2722	my $status;
		2723	my $current = $Coro::current;
		2724	(
		2725	sub {
		2726	$status = $!;
		2727	$current->ready; undef $current;
		2728	},
		2729	sub {
		2730	Coro::schedule while defined $current;
		2731	$! = $status;
		2732	},
		2733	)
		2734	};
		2735
		2736	unless ($DB_ENV) {
		2737	$DB_ENV = BDB::db_env_create;
		2738
		2739	cf::sync_job {
		2740	eval {
		2741	BDB::db_env_open
		2742	$DB_ENV,
		2743	$BDB_ENV_DIR,
		2744	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2745	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2746	0666;
		2747
		2748	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2749
		2750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2751	$DB_ENV->set_lk_detect;
		2752	};
		2753
		2754	cf::cleanup "db_env_open(db): $@" if $@;
2525	})->();	2755	};
2526	},	2756	}
2527	);	2757	}
		2758
		2759	{
		2760	IO::AIO::min_parallel 8;
		2761
		2762	undef $Coro::AIO::WATCHER;
		2763	IO::AIO::max_poll_time $TICK * 0.1;
		2764	$AIO_POLL_WATCHER = Event->io (
		2765	reentrant => 0,
		2766	data => WF_AUTOCANCEL,
		2767	fd => IO::AIO::poll_fileno,
		2768	poll => 'r',
		2769	prio => 6,
		2770	cb => \&IO::AIO::poll_cb,
		2771	);
		2772	}
2528		2773
2529	END { cf::emergency_save }	2774	END { cf::emergency_save }
2530		2775
2531	1	2776	1
2532		2777

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