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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 1.230 by root, Mon Apr 2 18:04:46 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
…		…
1291	package cf::map;	1154	package cf::map;
1292		1155
1293	use Fcntl;	1156	use Fcntl;
1294	use Coro::AIO;	1157	use Coro::AIO;
1295		1158
		1159	use overload
		1160	'""' => \&as_string,
		1161	fallback => 1;
		1162
1296	our $MAX_RESET = 3600;	1163	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1164	our $DEFAULT_RESET = 3000;
1298		1165
1299	sub generate_random_map {	1166	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1167	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1168	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1169	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1173	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1174	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1178	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1180	(cf::region::find $rmp->{region}), $rmp->{custom}
		1181	)
		1182	}
		1183
		1184	=item cf::map->register ($regex, $prio)
		1185
		1186	Register a handler for the map path matching the given regex at the
		1187	givne priority (higher is better, built-in handlers have priority 0, the
		1188	default).
		1189
		1190	=cut
		1191
		1192	sub register {
		1193	my (undef, $regex, $prio) = @_;
		1194	my $pkg = caller;
		1195
		1196	no strict;
		1197	push @{"$pkg\::ISA"}, __PACKAGE__;
		1198
		1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1200	}
		1201
		1202	# also paths starting with '/'
		1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1204
		1205	sub thawer_merge {
		1206	my ($self, $merge) = @_;
		1207
		1208	# we have to keep some variables in memory intact
		1209	local $self->{path};
		1210	local $self->{load_path};
		1211	local $self->{deny_save};
		1212	local $self->{deny_reset};
		1213
		1214	$self->SUPER::thawer_merge ($merge);
		1215	}
		1216
		1217	sub normalise {
		1218	my ($path, $base) = @_;
		1219
		1220	$path = "$path"; # make sure its a string
		1221
		1222	$path =~ s/\.map$//;
		1223
		1224	# map plan:
		1225	#
		1226	# /! non-realised random map exit (special hack!)
		1227	# {... are special paths that are not being touched
		1228	# ?xxx/... are special absolute paths
		1229	# ?random/... random maps
		1230	# /... normal maps
		1231	# ~user/... per-player map of a specific user
		1232
		1233	$path =~ s/$PATH_SEP/\//go;
		1234
		1235	# treat it as relative path if it starts with
		1236	# something that looks reasonable
		1237	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1238	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1239
		1240	$base =~ s{[^/]+/?$}{};
		1241	$path = "$base/$path";
		1242	}
		1243
		1244	for ($path) {
		1245	redo if s{//}{/};
		1246	redo if s{/\.?/}{/};
		1247	redo if s{/[^/]+/\.\./}{/};
		1248	}
		1249
		1250	$path
		1251	}
		1252
		1253	sub new_from_path {
		1254	my (undef, $path, $base) = @_;
		1255
		1256	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1257
		1258	$path = normalise $path, $base;
		1259
		1260	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1261	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1262	my $self = bless cf::map::new, $pkg;
		1263	$self->{path} = $path; $self->path ($path);
		1264	$self->init; # pass $1 etc.
		1265	return $self;
		1266	}
		1267	}
		1268
		1269	Carp::carp "unable to resolve path '$path' (base '$base').";
		1270	()
		1271	}
		1272
		1273	sub init {
		1274	my ($self) = @_;
		1275
		1276	$self
		1277	}
		1278
		1279	sub as_string {
		1280	my ($self) = @_;
		1281
		1282	"$self->{path}"
		1283	}
		1284
		1285	# the displayed name, this is a one way mapping
		1286	sub visible_name {
		1287	&as_string
		1288	}
		1289
		1290	# the original (read-only) location
		1291	sub load_path {
		1292	my ($self) = @_;
		1293
		1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1295	}
		1296
		1297	# the temporary/swap location
		1298	sub save_path {
		1299	my ($self) = @_;
		1300
		1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1303	}
		1304
		1305	# the unique path, undef == no special unique path
		1306	sub uniq_path {
		1307	my ($self) = @_;
		1308
		1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1316	}	1311	}
1317		1312
1318	# and all this just because we cannot iterate over	1313	# and all this just because we cannot iterate over
1319	# all maps in C++...	1314	# all maps in C++...
1320	sub change_all_map_light {	1315	sub change_all_map_light {
…		…
1322		1317
1323	$_->change_map_light ($change)	1318	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1319	for grep $_->outdoor, values %cf::MAP;
1325	}	1320	}
1326		1321
		1322	sub unlink_save {
		1323	my ($self) = @_;
		1324
		1325	utf8::encode (my $save = $self->save_path);
		1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1327	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1328	}
		1329
1327	sub try_load_header($) {	1330	sub load_header_from($) {
1328	my ($path) = @_;	1331	my ($self, $path) = @_;
1329		1332
1330	utf8::encode $path;	1333	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1334	#aio_open $path, O_RDONLY, 0
		1335	# or return;
		1336
		1337	$self->_load_header ($path)
1332	or return;	1338	or return;
1333		1339
1334	my $map = cf::map::new	1340	$self->{load_path} = $path;
		1341
		1342	1
		1343	}
		1344
		1345	sub load_header_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->load_header_from ($self->load_path)
		1349	}
		1350
		1351	sub load_header_temp {
		1352	my ($self) = @_;
		1353
		1354	$self->load_header_from ($self->save_path)
		1355	}
		1356
		1357	sub prepare_temp {
		1358	my ($self) = @_;
		1359
		1360	$self->last_access ((delete $self->{last_access})
		1361	|| $cf::RUNTIME); #d#
		1362	# safety
		1363	$self->{instantiate_time} = $cf::RUNTIME
		1364	if $self->{instantiate_time} > $cf::RUNTIME;
		1365	}
		1366
		1367	sub prepare_orig {
		1368	my ($self) = @_;
		1369
		1370	$self->{load_original} = 1;
		1371	$self->{instantiate_time} = $cf::RUNTIME;
		1372	$self->last_access ($cf::RUNTIME);
		1373	$self->instantiate;
		1374	}
		1375
		1376	sub load_header {
		1377	my ($self) = @_;
		1378
		1379	if ($self->load_header_temp) {
		1380	$self->prepare_temp;
		1381	} else {
		1382	$self->load_header_orig
1335	or return;	1383	or return;
		1384	$self->prepare_orig;
		1385	}
1336		1386
1337	# for better error messages only, will be overwritten	1387	1
1338	$map->path ($path);
1339
1340	$map->load_header ($path)
1341	or return;
1342
1343	$map->{load_path} = $path;
1344
1345	$map
1346	}	1388	}
1347		1389
1348	sub find;	1390	sub find;
1349	sub find {	1391	sub find {
1350	my ($path, $origin) = @_;	1392	my ($path, $origin) = @_;
1351		1393
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1394	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1395
1357	cf::lock_wait "map_find:$key";	1396	cf::lock_wait "map_find:$path";
1358		1397
1359	$cf::MAP{$key} || do {	1398	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1399	my $guard = cf::lock_acquire "map_find:$path";
1361		1400	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;	1401	or return;
1381		1402
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;	1403	$map->{last_save} = $cf::RUNTIME;
1394		1404
1395	Coro::cede;	1405	$map->load_header
		1406	or return;
1396		1407
1397	if ($map->should_reset) {	1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1409	# doing this can freeze the server in a sync job, obviously
		1410	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1411	$map->reset;
1399	undef $guard;	1412	undef $guard;
1400	$map = find $path	1413	return find $path;
1401	or return;
1402	}	1414	}
1403		1415
1404	$cf::MAP{$key} = $map	1416	$cf::MAP{$path} = $map
1405	}	1417	}
1406	}	1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
1407		1422
1408	sub load {	1423	sub load {
1409	my ($self) = @_;	1424	my ($self) = @_;
1410		1425
		1426	local $self->{deny_reset} = 1; # loading can take a long time
		1427
1411	my $path = $self->{path};	1428	my $path = $self->{path};
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1429	my $guard = cf::lock_acquire "map_load:$path";
1413		1430
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1431	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1432
1416	$self->in_memory (cf::MAP_LOADING);	1433	$self->in_memory (cf::MAP_LOADING);
1417		1434
1418	$self->alloc;	1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
1419	$self->load_objects ($self->{load_path}, 1)	1439	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1440	or return;
1421		1441
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1443	if delete $self->{load_original};
1424		1444
1425	if (my $uniq = $path->uniq_path) {	1445	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1446	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1447	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1448	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1449	$self->_load_objects ($uniq, 0);
1430	}	1450	}
1431	}	1451	}
1432		1452
1433	Coro::cede;	1453	Coro::cede;
1434		1454
1435	# now do the right thing for maps	1455	# now do the right thing for maps
1436	$self->link_multipart_objects;	1456	$self->link_multipart_objects;
1437		1457
1438	if ($self->{path}->is_style_map) {	1458	unless ($self->{deny_activate}) {
1439	$self->{deny_save} = 1;	1459	$self->decay_objects;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;	1460	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;	1461	$self->update_buttons;
		1462	Coro::cede;
1445	$self->set_darkness_map;	1463	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1464	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1465	unless $self->difficulty;
		1466	Coro::cede;
1448	$self->activate;	1467	$self->activate;
1449	}	1468	}
1450		1469
1451	Coro::cede;	1470	$self->post_load;
1452		1471
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1472	$self->in_memory (cf::MAP_IN_MEMORY);
		1473	}
		1474
		1475	sub customise_for {
		1476	my ($self, $ob) = @_;
		1477
		1478	return find "~" . $ob->name . "/" . $self->{path}
		1479	if $self->per_player;
		1480
		1481	$self
		1482	}
		1483
		1484	# find and load all maps in the 3x3 area around a map
		1485	sub load_diag {
		1486	my ($map) = @_;
		1487
		1488	my @diag; # diagonal neighbours
		1489
		1490	for (0 .. 3) {
		1491	my $neigh = $map->tile_path ($_)
		1492	or next;
		1493	$neigh = find $neigh, $map
		1494	or next;
		1495	$neigh->load;
		1496
		1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1499	}
		1500
		1501	for (@diag) {
		1502	my $neigh = find @$_
		1503	or next;
		1504	$neigh->load;
		1505	}
1454	}	1506	}
1455		1507
1456	sub find_sync {	1508	sub find_sync {
1457	my ($path, $origin) = @_;	1509	my ($path, $origin) = @_;
1458		1510
1459	cf::sync_job { cf::map::find $path, $origin }	1511	cf::sync_job { find $path, $origin }
1460	}	1512	}
1461		1513
1462	sub do_load_sync {	1514	sub do_load_sync {
1463	my ($map) = @_;	1515	my ($map) = @_;
1464		1516
1465	cf::sync_job { $map->load };	1517	cf::sync_job { $map->load };
1466	}	1518	}
1467		1519
		1520	our %MAP_PREFETCH;
		1521	our $MAP_PREFETCHER = undef;
		1522
		1523	sub find_async {
		1524	my ($path, $origin) = @_;
		1525
		1526	$path = normalise $path, $origin && $origin->{path};
		1527
		1528	if (my $map = $cf::MAP{$path}) {
		1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1530	}
		1531
		1532	undef $MAP_PREFETCH{$path};
		1533	$MAP_PREFETCHER ||= cf::async {
		1534	while (%MAP_PREFETCH) {
		1535	for my $path (keys %MAP_PREFETCH) {
		1536	my $map = find $path
		1537	or next;
		1538	$map->load;
		1539
		1540	delete $MAP_PREFETCH{$path};
		1541	}
		1542	}
		1543	undef $MAP_PREFETCHER;
		1544	};
		1545	$MAP_PREFETCHER->prio (6);
		1546
		1547	()
		1548	}
		1549
1468	sub save {	1550	sub save {
1469	my ($self) = @_;	1551	my ($self) = @_;
1470		1552
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1554
1473	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1474		1556
1475	return unless $self->dirty;	1557	return unless $self->dirty;
1476		1558
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1559	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1561
1480	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1481		1563
1482	return if $self->{deny_save};	1564	return if $self->{deny_save};
1483		1565
…		…
1486	cf::async {	1568	cf::async {
1487	$_->contr->save for $self->players;	1569	$_->contr->save for $self->players;
1488	};	1570	};
1489		1571
1490	if ($uniq) {	1572	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1575	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1577	}
1496	}	1578	}
1497		1579
1498	sub swap_out {	1580	sub swap_out {
1499	my ($self) = @_;	1581	my ($self) = @_;
…		…
1513		1595
1514	sub reset_at {	1596	sub reset_at {
1515	my ($self) = @_;	1597	my ($self) = @_;
1516		1598
1517	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1519	return 1e99 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1520		1602
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1605
…		…
1528	my ($self) = @_;	1610	my ($self) = @_;
1529		1611
1530	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1531	}	1613	}
1532		1614
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 {	1615	sub reset {
1555	my ($self) = @_;	1616	my ($self) = @_;
1556		1617
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1619
1559	return if $self->players;	1620	return if $self->players;
1560	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1561		1622
1562	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1563		1624
		1625	$self->in_memory (cf::MAP_SWAPPED);
		1626
		1627	# need to save uniques path
		1628	unless ($self->{deny_save}) {
		1629	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1630
		1631	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1632	if $uniq;
		1633	}
		1634
1564	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
		1636
		1637	$self->clear;
1565		1638
1566	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1567		1640
1568	$self->unlink_save;	1641	$self->unlink_save;
1569	$self->destroy;	1642	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1645	my $nuke_counter = "aaaa";
1573		1646
1574	sub nuke {	1647	sub nuke {
1575	my ($self) = @_;	1648	my ($self) = @_;
1576		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1656	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1657	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
1580	$self->reset; # polite request, might not happen	1662	$self->reset; # polite request, might not happen
1581	}	1663	}
1582		1664
1583	sub customise_for {	1665	=item cf::map::unique_maps
1584	my ($map, $ob) = @_;
1585		1666
1586	if ($map->per_player) {	1667	Returns an arrayref of paths of all shared maps that have
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1668	instantiated unique items. May block.
1588	}
1589		1669
1590	$map	1670	=cut
1591	}
1592		1671
1593	sub emergency_save {	1672	sub unique_maps() {
1594	my $freeze_guard = cf::freeze_mainloop;	1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1674	or return;
1595		1675
1596	warn "enter emergency perl save\n";	1676	my @paths;
1597		1677
1598	cf::sync_job {	1678	for (@$files) {
1599	warn "begin emergency player save\n";	1679	utf8::decode $_;
1600	$_->save for values %cf::PLAYER;	1680	next if /\.pst$/;
1601	warn "end emergency player save\n";	1681	next unless /^$PATH_SEP/o;
1602		1682
1603	warn "begin emergency map save\n";	1683	push @paths, cf::map::normalise $_;
1604	$_->save for values %cf::MAP;
1605	warn "end emergency map save\n";
1606	};	1684	}
1607		1685
1608	warn "leave emergency perl save\n";	1686	\@paths
1609	}	1687	}
1610		1688
1611	package cf;	1689	package cf;
1612		1690
1613	=back	1691	=back
1614		1692
		1693	=head3 cf::object
		1694
		1695	=cut
		1696
		1697	package cf::object;
		1698
		1699	=over 4
		1700
		1701	=item $ob->inv_recursive
		1702
		1703	Returns the inventory of the object _and_ their inventories, recursively.
		1704
		1705	=cut
		1706
		1707	sub inv_recursive_;
		1708	sub inv_recursive_ {
		1709	map { $_, inv_recursive_ $_->inv } @_
		1710	}
		1711
		1712	sub inv_recursive {
		1713	inv_recursive_ inv $_[0]
		1714	}
		1715
		1716	package cf;
		1717
		1718	=back
1615		1719
1616	=head3 cf::object::player	1720	=head3 cf::object::player
1617		1721
1618	=over 4	1722	=over 4
1619		1723
…		…
1659		1763
1660	=item $player_object->enter_link	1764	=item $player_object->enter_link
1661		1765
1662	Freezes the player and moves him/her to a special map (C<{link}>).	1766	Freezes the player and moves him/her to a special map (C<{link}>).
1663		1767
1664	The player should be reaosnably safe there for short amounts of time. You	1768	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.	1769	I<MUST> call C<leave_link> as soon as possible, though.
1666		1770
		1771	Will never block.
		1772
1667	=item $player_object->leave_link ($map, $x, $y)	1773	=item $player_object->leave_link ($map, $x, $y)
1668		1774
1669	Moves the player out of the specila link map onto the given map. If the	1775	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	1776	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,	1777	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	1778	fails, to the emergency map position.
1673		1779
1674	Might block.	1780	Might block.
1675		1781
1676	=cut	1782	=cut
		1783
		1784	sub link_map {
		1785	unless ($LINK_MAP) {
		1786	$LINK_MAP = cf::map::find "{link}"
		1787	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1788	$LINK_MAP->load;
		1789	}
		1790
		1791	$LINK_MAP
		1792	}
1677		1793
1678	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1679	my ($self) = @_;	1795	my ($self) = @_;
1680		1796
1681	$self->deactivate_recursive;	1797	$self->deactivate_recursive;
1682		1798
1683	return if $self->map == $LINK_MAP;	1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		1800
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	1802	if $self->map;
1687		1803
1688	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	1805	}
1690		1806
1691	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1693		1809
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	1827	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	1828	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	1829	if $x <=0 && $y <= 0;
1714		1830
1715	$map->load;	1831	$map->load;
		1832	$map->load_diag;
1716		1833
1717	return unless $self->contr->active;	1834	return unless $self->contr->active;
1718	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1720	}	1839	}
1721		1840
1722	cf::player->attach (	1841	cf::player->attach (
1723	on_logout => sub {	1842	on_logout => sub {
…		…
1736	# try to abort aborted map switching on player login :)	1855	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes	1856	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {	1857	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;	1858	$pl->ob->enter_link;
1740	(async {	1859	(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,	1860	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "	1861	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",	1862	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);	1863	cf::NDI_RED);
		1864	# we need this sleep as the login has a concurrent enter_exit running
		1865	# and this sleep increases chances of the player not ending up in scorn
1747	Coro::Timer::sleep 1;	1866	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;	1867	$pl->ob->leave_link;
1749	})->prio (2);	1868	})->prio (2);
1750	}	1869	}
1751	},	1870	},
…		…
1756	=cut	1875	=cut
1757		1876
1758	sub cf::object::player::goto {	1877	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1760		1879
1761	$path = new cf::path $path;
1762	$path ne "/" or Carp::cluck ("oy");#d#
1763
1764	$self->enter_link;	1880	$self->enter_link;
1765		1881
1766	(async {	1882	(async {
		1883	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	1884	my $map = cf::map::find $path;
1768	$map = $map->customise_for ($self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1769		1886	$map
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	1887	} or
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1774		1889
1775	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1776	})->prio (1);	1891	})->prio (1);
1777	}	1892	}
1778		1893
…		…
1782		1897
1783	sub parse_random_map_params {	1898	sub parse_random_map_params {
1784	my ($spec) = @_;	1899	my ($spec) = @_;
1785		1900
1786	my $rmp = { # defaults	1901	my $rmp = { # defaults
1787	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1789	};	1906	};
1790		1907
1791	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1793		1910
…		…
1797	$rmp	1914	$rmp
1798	}	1915	}
1799		1916
1800	sub prepare_random_map {	1917	sub prepare_random_map {
1801	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		1921
1803	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	1924	# that depends on the exit object
1806		1925
1807	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1808		1927
1809	if ($exit->map) {	1928	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1814	}	1933	}
1815		1934
1816	$rmp->{random_seed} ||= $exit->random_seed;	1935	$rmp->{random_seed} ||= $exit->random_seed;
1817		1936
1818	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820		1940
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	1942	aio_write $fh, 0, (length $data), $data, 0;
		1943	undef $fh;
		1944	aio_rename "$meta~", $meta;
1823		1945
1824	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	1947	$exit->msg (undef);
1826	}	1948	}
1827	}	1949	}
1828		1950
1829	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1831		1953
1832	return unless $self->type == cf::PLAYER;	1954	return unless $self->type == cf::PLAYER;
		1955
		1956	if ($exit->slaying eq "/!") {
		1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1958	cf::sync_job { prepare_random_map $exit };
		1959	}
		1960
		1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1962	my $hp = $exit->stats->hp;
		1963	my $sp = $exit->stats->sp;
1833		1964
1834	$self->enter_link;	1965	$self->enter_link;
1835		1966
1836	(async {	1967	(async {
1837	$self->deactivate_recursive; # just to be sure	1968	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	1969	unless (eval {
1839	prepare_random_map $exit	1970	$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		1971
1845	1;	1972	1;
1846	}) {	1973	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	1975	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	1976	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	1977	cf::NDI_UNIQUE | cf::NDI_RED);
1851		1978
1852	warn "ERROR in enter_exit: $@";	1979	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	1980	$self->leave_link;
1854	}	1981	}
…		…
1868		1995
1869	sub cf::client::send_drawinfo {	1996	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	1997	my ($self, $text, $flags) = @_;
1871		1998
1872	utf8::encode $text;	1999	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2001	}
1875		2002
1876		2003
1877	=item $success = $client->query ($flags, "text", \&cb)	2004	=item $success = $client->query ($flags, "text", \&cb)
1878		2005
…		…
1909	# get handled first	2036	# get handled first
1910	my $queue = delete $ns->{query_queue}	2037	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2038	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2039
1913	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2042
1915	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1916		2044
1917	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2046	if (@$queue) {
…		…
1976		2104
1977	# here we export the classes and methods available to script code	2105	# here we export the classes and methods available to script code
1978		2106
1979	=pod	2107	=pod
1980		2108
1981	The following fucntions and emthods are available within a safe environment:	2109	The following functions and methods are available within a safe environment:
1982		2110
1983	cf::object contr pay_amount pay_player map	2111	cf::object contr pay_amount pay_player map
1984	cf::object::player player	2112	cf::object::player player
1985	cf::player peaceful	2113	cf::player peaceful
1986	cf::map trigger	2114	cf::map trigger
…		…
2079	The parameter C<$family> should best start with the name of the extension	2207	The parameter C<$family> should best start with the name of the extension
2080	using it, it should be unique.	2208	using it, it should be unique.
2081		2209
2082	=over 4	2210	=over 4
2083		2211
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	2212	=item $value = cf::db_get $family => $key
2091		2213
2092	Returns a single value from the database	2214	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		2215
2099	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
2100		2217
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	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		2219
2112	=cut	2220	=cut
2113		2221
2114	our $DB;	2222	our $DB;
2115		2223
2116	{	2224	sub db_init {
		2225	unless ($DB) {
		2226	$DB = BDB::db_create $DB_ENV;
		2227
		2228	cf::sync_job {
		2229	eval {
		2230	$DB->set_flags (BDB::CHKSUM);
		2231
		2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2234	cf::cleanup "db_open(db): $!" if $!;
		2235	};
		2236	cf::cleanup "db_open(db): $@" if $@;
		2237	};
		2238
2117	my $path = cf::localdir . "/database.pst";	2239	my $path = cf::localdir . "/database.pst";
		2240	if (stat $path) {
		2241	cf::sync_job {
		2242	my $pst = Storable::retrieve $path;
2118		2243
2119	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
2120	$DB = stat $path ? Storable::retrieve $path : { };	2245	cf::db_put (guildrules => data => $pst->{guildrules});
2121	}	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
		2247	BDB::db_env_txn_checkpoint $DB_ENV;
2122		2248
2123	my $pid;	2249	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	}	2250	};
2133	}	2251	}
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	});	2252	}
		2253	}
2145		2254
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}
2150
2151	sub db_get($;$) {	2255	sub db_get($$) {
2152	@_ >= 2	2256	my $key = "$_[0]/$_[1]";
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
2157	sub db_put($$;$) {	2266	sub db_put($$$) {
2158	if (@_ >= 3) {	2267	BDB::dbreq_pri 4;
2159	$DB->{$_[0]}{$_[1]} = $_[2];	2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2269	}
		2270
		2271	#############################################################################
		2272	# the server's init and main functions
		2273
		2274	sub load_facedata {
		2275	my $path = sprintf "%s/facedata", cf::datadir;
		2276
		2277	warn "loading facedata from $path\n";
		2278
		2279	my $faces;
		2280	0 < aio_load $path, $faces
		2281	or die "$path: $!";
		2282
		2283	Coro::cede;
		2284	$faces = Storable::thaw $faces;
		2285	Coro::cede;
		2286
		2287	my $meta = delete $faces->{""};
		2288	$meta->{version} == 1
		2289	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2290
		2291	while (my ($face, $info) = each %$faces) {
		2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2295	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2296	Coro::cede;
		2297	}
		2298
		2299	while (my ($face, $info) = each %$faces) {
		2300	next unless $info->{smooth};
		2301	my $idx = cf::face::find $face
		2302	or next;
		2303	if (my $smooth = cf::face::find $info->{smooth}) {
		2304	cf::face::set_smooth $idx, $smooth;
2160	} else {	2305	} else {
2161	$DB->{$_[0]} = $_[1];	2306	warn "smooth face '$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	},	2307	}
2171	);	2308	Coro::cede;
2172	}	2309	}
2173		2310
2174	#############################################################################	2311	1
2175	# the server's main()	2312	}
		2313
		2314	sub reload_resources {
		2315	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2316	or die "unable to load regions file\n";#d#
		2317	load_facedata
		2318	or die "unable to load facedata\n";#d#
		2319	}
		2320
		2321	sub init {
		2322	reload_resources;
		2323	}
2176		2324
2177	sub cfg_load {	2325	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2326	open my $fh, "<:utf8", cf::confdir . "/config"
2179	or return;	2327	or return;
2180		2328
…		…
2197		2345
2198	sub main {	2346	sub main {
2199	# we must not ever block the main coroutine	2347	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2348	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2349	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2350	(async {
2202	async { Event::one_event };	2351	Event::one_event;
		2352	})->prio (Coro::PRIO_MAX);
2203	};	2353	};
2204		2354
2205	cfg_load;	2355	cfg_load;
2206	db_load;	2356	db_init;
2207	load_extensions;	2357	load_extensions;
		2358
		2359	$TICK_WATCHER->start;
2208	Event::loop;	2360	Event::loop;
2209	}	2361	}
2210		2362
2211	#############################################################################	2363	#############################################################################
2212	# initialisation	2364	# initialisation and cleanup
		2365
		2366	# install some emergency cleanup handlers
		2367	BEGIN {
		2368	for my $signal (qw(INT HUP TERM)) {
		2369	Event->signal (
		2370	reentrant => 0,
		2371	data => WF_AUTOCANCEL,
		2372	signal => $signal,
		2373	prio => 0,
		2374	cb => sub {
		2375	cf::cleanup "SIG$signal";
		2376	},
		2377	);
		2378	}
		2379	}
		2380
		2381	sub emergency_save() {
		2382	my $freeze_guard = cf::freeze_mainloop;
		2383
		2384	warn "enter emergency perl save\n";
		2385
		2386	cf::sync_job {
		2387	# use a peculiar iteration method to avoid tripping on perl
		2388	# refcount bugs in for. also avoids problems with players
		2389	# and maps saved/destroyed asynchronously.
		2390	warn "begin emergency player save\n";
		2391	for my $login (keys %cf::PLAYER) {
		2392	my $pl = $cf::PLAYER{$login} or next;
		2393	$pl->valid or next;
		2394	$pl->save;
		2395	}
		2396	warn "end emergency player save\n";
		2397
		2398	warn "begin emergency map save\n";
		2399	for my $path (keys %cf::MAP) {
		2400	my $map = $cf::MAP{$path} or next;
		2401	$map->valid or next;
		2402	$map->save;
		2403	}
		2404	warn "end emergency map save\n";
		2405
		2406	warn "begin emergency database checkpoint\n";
		2407	BDB::db_env_txn_checkpoint $DB_ENV;
		2408	warn "end emergency database checkpoint\n";
		2409	};
		2410
		2411	warn "leave emergency perl save\n";
		2412	}
		2413
		2414	sub post_cleanup {
		2415	my ($make_core) = @_;
		2416
		2417	warn Carp::longmess "post_cleanup backtrace"
		2418	if $make_core;
		2419	}
2213		2420
2214	sub reload() {	2421	sub reload() {
2215	# can/must only be called in main	2422	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2423	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2424	warn "can only reload from main coroutine";
2218	return;	2425	return;
2219	}	2426	}
2220		2427
2221	warn "reloading...";	2428	warn "reloading...";
2222		2429
2223	my $guard = freeze_mainloop;	2430	warn "entering sync_job";
		2431
		2432	cf::sync_job {
		2433	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	2434	cf::emergency_save;
		2435	cf::write_runtime; # external watchdog should not bark
2225		2436
2226	eval {	2437	warn "syncing database to disk";
		2438	BDB::db_env_txn_checkpoint $DB_ENV;
		2439
2227	# if anything goes wrong in here, we should simply crash as we already saved	2440	# if anything goes wrong in here, we should simply crash as we already saved
2228		2441
2229	# cancel all watchers	2442	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2443	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2444	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2445	}
2233		2446
		2447	warn "flushing outstanding aio requests";
		2448	for (;;) {
		2449	BDB::flush;
		2450	IO::AIO::flush;
		2451	Coro::cede;
		2452	last unless IO::AIO::nreqs || BDB::nreqs;
		2453	warn "iterate...";
		2454	}
		2455
		2456	++$RELOAD;
		2457
2234	# cancel all extension coros	2458	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2459	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2460	%EXT_CORO = ();
2237		2461
2238	# unload all extensions	2462	warn "removing commands";
2239	for (@exts) {	2463	%COMMAND = ();
		2464
		2465	warn "removing ext commands";
		2466	%EXTCMD = ();
		2467
		2468	warn "unloading/nuking all extensions";
		2469	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2470	warn "... unloading $pkg";
2241	unload_extension $_;	2471
		2472	if (my $cb = $pkg->can ("unload")) {
		2473	eval {
		2474	$cb->($pkg);
		2475	1
		2476	} or warn "$pkg unloaded, but with errors: $@";
2242	}	2477	}
2243		2478
		2479	warn "... nuking $pkg";
		2480	Symbol::delete_package $pkg;
		2481	}
		2482
2244	# unload all modules loaded from $LIBDIR	2483	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2484	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2486
2248	warn "removing <$k>";	2487	warn "... unloading $k";
2249	delete $INC{$k};	2488	delete $INC{$k};
2250		2489
2251	$k =~ s/\.pm$//;	2490	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2491	$k =~ s/\//::/g;
2253		2492
…		…
2256	}	2495	}
2257		2496
2258	Symbol::delete_package $k;	2497	Symbol::delete_package $k;
2259	}	2498	}
2260		2499
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2500	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2501	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		2503
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2504	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2505	delete $INC{"cf.pm"};
2274		2506
2275	# don't, removes xs symbols, too,	2507	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2508	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2509	#Symbol::delete_package __PACKAGE__;
2278		2510
2279	# reload cf.pm	2511	warn "unload completed, starting to reload now";
		2512
2280	warn "reloading cf.pm";	2513	warn "reloading cf.pm";
2281	require cf;	2514	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2515	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2516
2284	# load config and database again	2517	warn "loading config and database again";
2285	cf::cfg_load;	2518	cf::cfg_load;
2286	cf::db_load;
2287		2519
2288	# load extensions
2289	warn "load extensions";	2520	warn "loading extensions";
2290	cf::load_extensions;	2521	cf::load_extensions;
2291		2522
2292	# reattach attachments to objects	2523	warn "reattaching attachments to objects/players";
2293	warn "reattach";	2524	_global_reattach; # objects, sockets
2294	_global_reattach;	2525	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2526	reattach $_ for values %MAP;
2296	};	2527	warn "reattaching attachments to players";
		2528	reattach $_ for values %PLAYER;
2297		2529
2298	if ($@) {	2530	warn "loading reloadable resources";
		2531	reload_resources;
		2532
		2533	warn "leaving sync_job";
		2534
		2535	1
		2536	} or do {
2299	warn $@;	2537	warn $@;
2300	warn "error while reloading, exiting.";	2538	warn "error while reloading, exiting.";
2301	exit 1;	2539	exit 1;
2302	}	2540	};
2303		2541
2304	warn "reloaded successfully";	2542	warn "reloaded";
2305	};	2543	};
2306		2544
2307	#############################################################################	2545	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} = $LINK_MAP;
2348	}
2349
2350	register "<global>", __PACKAGE__;
2351		2546
2352	register_command "reload" => sub {	2547	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2548	my ($who, $arg) = @_;
2354		2549
2355	if ($who->flag (FLAG_WIZ)) {	2550	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");	2551	$who->message ("reloading server.");
		2552
		2553	# doing reload synchronously and two reloads happen back-to-back,
		2554	# coro crashes during coro_state_free->destroy here.
		2555
		2556	$RELOAD_WATCHER ||= Event->timer (
		2557	reentrant => 0,
		2558	after => 0,
		2559	data => WF_AUTOCANCEL,
		2560	cb => sub {
2357	reload;	2561	reload;
2358	$who->message ("end of reload.");	2562	undef $RELOAD_WATCHER;
		2563	},
		2564	);
2359	}	2565	}
2360	};	2566	};
2361		2567
2362	unshift @INC, $LIBDIR;	2568	unshift @INC, $LIBDIR;
		2569
		2570	my $bug_warning = 0;
2363		2571
2364	$TICK_WATCHER = Event->timer (	2572	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2573	reentrant => 0,
		2574	parked => 1,
2366	prio => 0,	2575	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2576	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2577	data => WF_AUTOCANCEL,
2369	cb => sub {	2578	cb => sub {
		2579	if ($Coro::current != $Coro::main) {
		2580	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2581	unless ++$bug_warning > 10;
		2582	return;
		2583	}
		2584
		2585	$NOW = Event::time;
		2586
2370	cf::server_tick; # one server iteration	2587	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;	2588	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2589	$NEXT_TICK += $TICK;
		2590
		2591	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2592	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2593	Coro::async_pool {
		2594	write_runtime
		2595	or warn "ERROR: unable to write runtime file: $!";
		2596	};
		2597	}
		2598
		2599	$WAIT_FOR_TICK->broadcast;
		2600	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2601
		2602	# my $AFTER = Event::time;
		2603	# warn $AFTER - $NOW;#d#
2373		2604
2374	# if we are delayed by four ticks or more, skip them all	2605	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2606	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		2607
2377	$TICK_WATCHER->at ($NEXT_TICK);	2608	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	2609	$TICK_WATCHER->start;
2379	},	2610	},
2380	);	2611	);
2381		2612
		2613	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	2614	BDB::max_poll_time $TICK * 0.1;
2383		2615	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	2616	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	2617	fd => BDB::poll_fileno,
2386	poll => 'r',	2618	poll => 'r',
2387	prio => 5,	2619	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	2620	data => WF_AUTOCANCEL,
2394	after => 0,	2621	cb => \&BDB::poll_cb,
2395	interval => 10,	2622	);
2396	cb => sub {	2623	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	2624
2398	write_runtime	2625	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	2626	my $status;
		2627	my $current = $Coro::current;
		2628	(
		2629	sub {
		2630	$status = $!;
		2631	$current->ready; undef $current;
		2632	},
		2633	sub {
		2634	Coro::schedule while defined $current;
		2635	$! = $status;
		2636	},
		2637	)
		2638	};
		2639
		2640	unless ($DB_ENV) {
		2641	$DB_ENV = BDB::db_env_create;
		2642
		2643	cf::sync_job {
		2644	eval {
		2645	BDB::db_env_open
		2646	$DB_ENV,
		2647	$BDB_ENV_DIR,
		2648	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2649	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2650	0666;
		2651
		2652	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2653
		2654	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2655	$DB_ENV->set_lk_detect;
		2656	};
		2657
		2658	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	2659	};
2401	},	2660	}
2402	);	2661	}
		2662
		2663	{
		2664	IO::AIO::min_parallel 8;
		2665
		2666	undef $Coro::AIO::WATCHER;
		2667	IO::AIO::max_poll_time $TICK * 0.1;
		2668	$AIO_POLL_WATCHER = Event->io (
		2669	reentrant => 0,
		2670	data => WF_AUTOCANCEL,
		2671	fd => IO::AIO::poll_fileno,
		2672	poll => 'r',
		2673	prio => 6,
		2674	cb => \&IO::AIO::poll_cb,
		2675	);
		2676	}
2403		2677
2404	END { cf::emergency_save }	2678	END { cf::emergency_save }
2405		2679
2406	1	2680	1
2407		2681

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