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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.150 by root, Mon Jan 8 19:25:53 2007 UTC vs.
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
		26	use YAML::Syck ();
22	use IO::AIO 2.32 ();	27	use IO::AIO 2.32 ();
23	use YAML::Syck ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		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
26	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
27		37
28	# 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?
29	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
30		40
31	$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
32		42
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	our %COMMAND = ();	45	our %COMMAND = ();
36	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
38		52
		53	our $RELOAD; # number of reloads so far
39	our @EVENT;	54	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
41		56
42	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	61	our $NEXT_TICK;
45	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;
46		67
47	our %CFG;	68	our %CFG;
48		69
49	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	71	our $RUNTIME;
51		72
52	our %PLAYER; # all users	73	our %PLAYER; # all users
53	our %MAP; # all maps	74	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
56	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
57		84
58	binmode STDOUT;	85	binmode STDOUT;
59	binmode STDERR;	86	binmode STDERR;
60		87
61	# read virtual server time, if available	88	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	95	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
73		101
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
77		105
78	#############################################################################	106	#############################################################################
79		107
80	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
81		109
…		…
105		133
106	=item %cf::CFG	134	=item %cf::CFG
107		135
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		145
111	=back	146	=back
112		147
113	=cut	148	=cut
114		149
…		…
146		181
147	$Event::DIED = sub {	182	$Event::DIED = sub {
148	warn "error in event callback: @_";	183	warn "error in event callback: @_";
149	};	184	};
150		185
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
156		187
157	=over 4	188	=over 4
158		189
159	=cut	190	=item dumpval $ref
160		191
		192	=cut
		193
		194	sub dumpval {
		195	eval {
		196	local $SIG{__DIE__};
		197	my $d;
		198	if (1) {
		199	$d = new Data::Dumper([$_[0]], ["*var"]);
		200	$d->Terse(1);
		201	$d->Indent(2);
		202	$d->Quotekeys(0);
		203	$d->Useqq(1);
		204	#$d->Bless(...);
		205	$d->Seen($_[1]) if @_ > 1;
		206	$d = $d->Dump();
		207	}
		208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		209	$d
		210	} || "[unable to dump $_[0]: '$@']";
		211	}
		212
161	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
162		214
163	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
164		216
165	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
166		218
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
175		220
176	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
177
178	=cut
179
180	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]
183	}
184		222
185	=item cf::lock_wait $string	223	=item cf::lock_wait $string
186		224
187	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
188		226
…		…
225	}	263	}
226		264
227	sub freeze_mainloop {	265	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
229		267
230	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
231	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
232	$guard	272	$guard
233	}	273	}
234		274
235	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
287	}	327	}
288	}	328	}
289		329
290	=item $coro = cf::async_ext { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
291		331
292	Like async, but this coro is automcatially being canceled when the	332	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	333	extension calling this is being unloaded.
294		334
295	=cut	335	=cut
296		336
297	sub async_ext(&) {	337	sub async_ext(&) {
…		…
306		346
307	$coro	347	$coro
308	}	348	}
309		349
310	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
311	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
312		354
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	356	or return;
315		357
		358	my $value = $cf::RUNTIME + 90 + 10;
316	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
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	363	and return;
319		364
		365	# always fsync - this file is important
320	aio_fsync $fh	366	aio_fsync $fh
321	and return;	367	and return;
322		368
323	close $fh	369	close $fh
324	or return;	370	or return;
…		…
327	and return;	373	and return;
328		374
329	1	375	1
330	}	376	}
331		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
332	=back	389	=back
333		390
334	=cut	391	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		392
456	#############################################################################	393	#############################################################################
457		394
458	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
459		396
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	523	our @CB_MAP = ();
587		524
588	my %attachment;	525	my %attachment;
589		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
590	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
592		535
593	use sort 'stable';	536	use sort 'stable';
594		537
…		…
765	# object support	708	# object support
766		709
767	sub reattach {	710	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		715
771	my $registry = $obj->registry;	716	my $registry = $obj->registry;
772		717
773	@$registry = ();	718	@$registry = ();
774		719
…		…
821	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
822		767
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	772	close $fh;
828		773
829	if (@$objs) {	774	if (@$objs) {
830	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) {
831	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	780	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
837	}	782	}
838	} else {	783	} else {
839	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
906	=cut	851	=cut
907		852
908	sub register_extcmd {	853	sub register_extcmd {
909	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
910		855
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
915	}	857	}
916		858
917	cf::player->attach (	859	cf::player->attach (
918	on_command => sub {	860	on_command => sub {
919	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
932		874
933	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
934		876
935	if (ref $msg) {	877	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	881	}
940	}	882	}
941	} else {	883	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		886
945	cf::override;	887	cf::override;
946	},	888	},
947	);	889	);
948		890
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	891	sub load_extension {
956	my ($path) = @_;	892	my ($path) = @_;
957		893
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	895	my $base = $1;
960	my $pkg = $1;	896	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
963		899
964	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
965		901
966	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
967	or die "$path: $!";	903	or die "$path: $!";
968		904
969	my $source =	905	my $source =
970	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
973	. "\n};\n1";	909	. "\n};\n1";
974		910
975	eval $source	911	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	913	: "extension disabled.\n";
978		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	915	warn $@;
980	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
981		917	exit 1;
982	# no strict 'refs';	918	}
983	# @{"$pkg\::ISA"} = ext::;	919	die $@;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }	920	}
998		921
999	# remove commands	922	push @EXTS, $pkg;
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	923	}
1024		924
1025	sub load_extensions {	925	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	927	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1032	}	932	}
1033	}	933	}
1034		934
1035	#############################################################################	935	#############################################################################
1036	# load/save/clean perl data associated with a map
1037
1038	*cf::mapsupport::on_clean = sub {
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		936
1073	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1074		938
1075	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1076		940
1077	=cut	941	=cut
1078		942
1079	package cf::player;	943	package cf::player;
		944
		945	use Coro::AIO;
1080		946
1081	=head3 cf::player	947	=head3 cf::player
1082		948
1083	=over 4	949	=over 4
1084		950
…		…
1110		976
1111	sub exists($) {	977	sub exists($) {
1112	my ($login) = @_;	978	my ($login) = @_;
1113		979
1114	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1116	}	982	}
1117		983
1118	sub find($) {	984	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	986	my $login = $_[0];
1121		987
1122	my $guard = cf::lock_acquire "user_find:$login";	988	my $guard = cf::lock_acquire "user_find:$login";
1123		989
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	990	$cf::PLAYER{$_[0]} || do {
		991	my $pl = load_pl path $login
		992	or return;
		993	$cf::PLAYER{$login} = $pl
		994	}
1125	};	995	}
1126	}	996	}
1127		997
1128	sub save($) {	998	sub save($) {
1129	my ($pl) = @_;	999	my ($pl) = @_;
1130		1000
…		…
1133	my $path = path $pl;	1003	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1004	my $guard = cf::lock_acquire "user_save:$path";
1135		1005
1136	return if $pl->{deny_save};	1006	return if $pl->{deny_save};
1137		1007
1138	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1008	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1009	$pl->{last_save} = $cf::RUNTIME;
1140		1010
1141	$pl->save_pl ($path);	1011	$pl->save_pl ($path);
1142	Coro::cede;	1012	Coro::cede;
1143	}	1013	}
…		…
1153	$cf::PLAYER{$login} = $self;	1023	$cf::PLAYER{$login} = $self;
1154		1024
1155	$self	1025	$self
1156	}	1026	}
1157		1027
		1028	=item $pl->quit_character
		1029
		1030	Nukes the player without looking back. If logged in, the connection will
		1031	be destroyed. May block for a long time.
		1032
		1033	=cut
		1034
1158	sub quit_character {	1035	sub quit_character {
1159	my ($pl) = @_;	1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
1160		1039
1161	$pl->{deny_save} = 1;	1040	$pl->{deny_save} = 1;
1162	$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
1163		1042
1164	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1167	$pl->ns->destroy if $pl->ns;	1046	$pl->ns->destroy if $pl->ns;
1168		1047
1169	my $path = playerdir $pl;	1048	my $path = playerdir $pl;
1170	my $temp = "$path~$cf::RUNTIME~deleting~";	1049	my $temp = "$path~$cf::RUNTIME~deleting~";
1171	Coro::AIO::aio_rename $path, $temp;	1050	aio_rename $path, $temp;
1172	delete $cf::PLAYER{$pl->ob->name};	1051	delete $cf::PLAYER{$pl->ob->name};
1173	$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
1174	IO::AIO::aio_rmtree $temp;	1059	IO::AIO::aio_rmtree $temp;
1175	}	1060	}
1176		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;
		1074	}
		1075
		1076	=item cf::player::list_logins
		1077
		1078	Returns am arrayref of all valid playernames in the system, can take a
		1079	while and may block, so not sync_job-capable, ever.
		1080
		1081	=cut
		1082
		1083	sub list_logins {
		1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1085	or return [];
		1086
		1087	my @logins;
		1088
		1089	for my $login (@$dirs) {
		1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1091	aio_read $fh, 0, 512, my $buf, 0 or next;
		1092	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1093
		1094	utf8::decode $login;
		1095	push @logins, $login;
		1096	}
		1097
		1098	\@logins
		1099	}
		1100
		1101	=item $player->maps
		1102
		1103	Returns an arrayref of map paths that are private for this
		1104	player. May block.
		1105
		1106	=cut
		1107
		1108	sub maps($) {
		1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
		1112
		1113	my $files = aio_readdir playerdir $pl
		1114	or return;
		1115
		1116	my @paths;
		1117
		1118	for (@$files) {
		1119	utf8::decode $_;
		1120	next if /\.(?:pl|pst)$/;
		1121	next unless /^$PATH_SEP/o;
		1122
		1123	push @paths, cf::map::normalise "~$pl/$_";
		1124	}
		1125
		1126	\@paths
		1127	}
		1128
1177	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1178		1130
1179	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1180		1132
1181	=cut	1133	=cut
1182		1134
1183	sub ext_reply($$$%) {	1135	sub ext_reply($$%) {
1184	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1185		1137
1186	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
		1139
		1140	$self->send ("ext " . cf::to_json \%msg);
		1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	delete $msg{msgid};
		1153	$msg{msgtype} = "event";
		1154	$msg{eventtype} = $type;
1187		1155
1188	$self->send ("ext " . cf::to_json \%msg);	1156	$self->send ("ext " . cf::to_json \%msg);
1189	}	1157	}
1190		1158
1191	package cf;	1159	package cf;
…		…
1202	package cf::map;	1170	package cf::map;
1203		1171
1204	use Fcntl;	1172	use Fcntl;
1205	use Coro::AIO;	1173	use Coro::AIO;
1206		1174
		1175	use overload
		1176	'""' => \&as_string,
		1177	fallback => 1;
		1178
1207	our $MAX_RESET = 3600;	1179	our $MAX_RESET = 3600;
1208	our $DEFAULT_RESET = 3000;	1180	our $DEFAULT_RESET = 3000;
1209		1181
1210	sub generate_random_map {	1182	sub generate_random_map {
1211	my ($path, $rmp) = @_;	1183	my ($self, $rmp) = @_;
1212
1213	# mit "rum" bekleckern, nicht	1184	# mit "rum" bekleckern, nicht
1214	cf::map::_create_random_map	1185	$self->_create_random_map (
1215	$path,
1216	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1217	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1218	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1219	$rmp->{exit_on_final_map},	1189	$rmp->{exit_on_final_map},
1220	$rmp->{xsize}, $rmp->{ysize},	1190	$rmp->{xsize}, $rmp->{ysize},
1221	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1191	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1222	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1192	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1223	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1193	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1224	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1194	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1225	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1195	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1226	(cf::region::find $rmp->{region})	1196	(cf::region::find $rmp->{region}), $rmp->{custom}
		1197	)
		1198	}
		1199
		1200	=item cf::map->register ($regex, $prio)
		1201
		1202	Register a handler for the map path matching the given regex at the
		1203	givne priority (higher is better, built-in handlers have priority 0, the
		1204	default).
		1205
		1206	=cut
		1207
		1208	sub register {
		1209	my (undef, $regex, $prio) = @_;
		1210	my $pkg = caller;
		1211
		1212	no strict;
		1213	push @{"$pkg\::ISA"}, __PACKAGE__;
		1214
		1215	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1216	}
		1217
		1218	# also paths starting with '/'
		1219	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1220
		1221	sub thawer_merge {
		1222	my ($self, $merge) = @_;
		1223
		1224	# we have to keep some variables in memory intact
		1225	local $self->{path};
		1226	local $self->{load_path};
		1227	local $self->{deny_save};
		1228	local $self->{deny_reset};
		1229
		1230	$self->SUPER::thawer_merge ($merge);
		1231	}
		1232
		1233	sub normalise {
		1234	my ($path, $base) = @_;
		1235
		1236	$path = "$path"; # make sure its a string
		1237
		1238	$path =~ s/\.map$//;
		1239
		1240	# map plan:
		1241	#
		1242	# /! non-realised random map exit (special hack!)
		1243	# {... are special paths that are not being touched
		1244	# ?xxx/... are special absolute paths
		1245	# ?random/... random maps
		1246	# /... normal maps
		1247	# ~user/... per-player map of a specific user
		1248
		1249	$path =~ s/$PATH_SEP/\//go;
		1250
		1251	# treat it as relative path if it starts with
		1252	# something that looks reasonable
		1253	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1254	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1255
		1256	$base =~ s{[^/]+/?$}{};
		1257	$path = "$base/$path";
		1258	}
		1259
		1260	for ($path) {
		1261	redo if s{//}{/};
		1262	redo if s{/\.?/}{/};
		1263	redo if s{/[^/]+/\.\./}{/};
		1264	}
		1265
		1266	$path
		1267	}
		1268
		1269	sub new_from_path {
		1270	my (undef, $path, $base) = @_;
		1271
		1272	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1273
		1274	$path = normalise $path, $base;
		1275
		1276	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1277	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1278	my $self = bless cf::map::new, $pkg;
		1279	$self->{path} = $path; $self->path ($path);
		1280	$self->init; # pass $1 etc.
		1281	return $self;
		1282	}
		1283	}
		1284
		1285	Carp::carp "unable to resolve path '$path' (base '$base').";
		1286	()
		1287	}
		1288
		1289	sub init {
		1290	my ($self) = @_;
		1291
		1292	$self
		1293	}
		1294
		1295	sub as_string {
		1296	my ($self) = @_;
		1297
		1298	"$self->{path}"
		1299	}
		1300
		1301	# the displayed name, this is a one way mapping
		1302	sub visible_name {
		1303	&as_string
		1304	}
		1305
		1306	# the original (read-only) location
		1307	sub load_path {
		1308	my ($self) = @_;
		1309
		1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1311	}
		1312
		1313	# the temporary/swap location
		1314	sub save_path {
		1315	my ($self) = @_;
		1316
		1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1319	}
		1320
		1321	# the unique path, undef == no special unique path
		1322	sub uniq_path {
		1323	my ($self) = @_;
		1324
		1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1227	}	1327	}
1228		1328
1229	# and all this just because we cannot iterate over	1329	# and all this just because we cannot iterate over
1230	# all maps in C++...	1330	# all maps in C++...
1231	sub change_all_map_light {	1331	sub change_all_map_light {
…		…
1233		1333
1234	$_->change_map_light ($change)	1334	$_->change_map_light ($change)
1235	for grep $_->outdoor, values %cf::MAP;	1335	for grep $_->outdoor, values %cf::MAP;
1236	}	1336	}
1237		1337
		1338	sub unlink_save {
		1339	my ($self) = @_;
		1340
		1341	utf8::encode (my $save = $self->save_path);
		1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1343	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1344	}
		1345
1238	sub try_load_header($) {	1346	sub load_header_from($) {
1239	my ($path) = @_;	1347	my ($self, $path) = @_;
1240		1348
1241	utf8::encode $path;	1349	utf8::encode $path;
1242	aio_open $path, O_RDONLY, 0	1350	#aio_open $path, O_RDONLY, 0
		1351	# or return;
		1352
		1353	$self->_load_header ($path)
1243	or return;	1354	or return;
1244		1355
1245	my $map = cf::map::new	1356	$self->{load_path} = $path;
		1357
		1358	1
		1359	}
		1360
		1361	sub load_header_orig {
		1362	my ($self) = @_;
		1363
		1364	$self->load_header_from ($self->load_path)
		1365	}
		1366
		1367	sub load_header_temp {
		1368	my ($self) = @_;
		1369
		1370	$self->load_header_from ($self->save_path)
		1371	}
		1372
		1373	sub prepare_temp {
		1374	my ($self) = @_;
		1375
		1376	$self->last_access ((delete $self->{last_access})
		1377	|| $cf::RUNTIME); #d#
		1378	# safety
		1379	$self->{instantiate_time} = $cf::RUNTIME
		1380	if $self->{instantiate_time} > $cf::RUNTIME;
		1381	}
		1382
		1383	sub prepare_orig {
		1384	my ($self) = @_;
		1385
		1386	$self->{load_original} = 1;
		1387	$self->{instantiate_time} = $cf::RUNTIME;
		1388	$self->last_access ($cf::RUNTIME);
		1389	$self->instantiate;
		1390	}
		1391
		1392	sub load_header {
		1393	my ($self) = @_;
		1394
		1395	if ($self->load_header_temp) {
		1396	$self->prepare_temp;
		1397	} else {
		1398	$self->load_header_orig
1246	or return;	1399	or return;
		1400	$self->prepare_orig;
		1401	}
1247		1402
1248	# for better error messages only, will be overwritten	1403	1
1249	$map->path ($path);
1250
1251	$map->load_header ($path)
1252	or return;
1253
1254	$map->{load_path} = $path;
1255
1256	$map
1257	}	1404	}
1258		1405
1259	sub find;	1406	sub find;
1260	sub find {	1407	sub find {
1261	my ($path, $origin) = @_;	1408	my ($path, $origin) = @_;
1262		1409
1263	#warn "find<$path,$origin>\n";#d#
1264
1265	$path = new cf::path $path, $origin && $origin->path;	1410	$path = normalise $path, $origin && $origin->path;
1266	my $key = $path->as_string;
1267		1411
1268	cf::lock_wait "map_find:$key";	1412	cf::lock_wait "map_find:$path";
1269		1413
1270	$cf::MAP{$key} || do {	1414	$cf::MAP{$path} || do {
1271	my $guard = cf::lock_acquire "map_find:$key";	1415	my $guard = cf::lock_acquire "map_find:$path";
1272		1416	my $map = new_from_path cf::map $path
1273	# do it the slow way
1274	my $map = try_load_header $path->save_path;
1275
1276	Coro::cede;
1277
1278	if ($map) {
1279	$map->last_access ((delete $map->{last_access})
1280	|| $cf::RUNTIME); #d#
1281	# safety
1282	$map->{instantiate_time} = $cf::RUNTIME
1283	if $map->{instantiate_time} > $cf::RUNTIME;
1284	} else {
1285	if (my $rmp = $path->random_map_params) {
1286	$map = generate_random_map $key, $rmp;
1287	} else {
1288	$map = try_load_header $path->load_path;
1289	}
1290
1291	$map or return;	1417	or return;
1292		1418
1293	$map->{load_original} = 1;
1294	$map->{instantiate_time} = $cf::RUNTIME;
1295	$map->last_access ($cf::RUNTIME);
1296	$map->instantiate;
1297
1298	# per-player maps become, after loading, normal maps
1299	$map->per_player (0) if $path->{user_rel};
1300	}
1301
1302	$map->path ($key);
1303	$map->{path} = $path;
1304	$map->{last_save} = $cf::RUNTIME;	1419	$map->{last_save} = $cf::RUNTIME;
1305		1420
1306	Coro::cede;	1421	$map->load_header
		1422	or return;
1307		1423
1308	if ($map->should_reset) {	1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1425	# doing this can freeze the server in a sync job, obviously
		1426	#$cf::WAIT_FOR_TICK->wait;
1309	$map->reset;	1427	$map->reset;
1310	undef $guard;	1428	undef $guard;
1311	$map = find $path	1429	return find $path;
1312	or return;
1313	}	1430	}
1314		1431
1315	$cf::MAP{$key} = $map	1432	$cf::MAP{$path} = $map
1316	}	1433	}
1317	}	1434	}
		1435
		1436	sub pre_load { }
		1437	sub post_load { }
1318		1438
1319	sub load {	1439	sub load {
1320	my ($self) = @_;	1440	my ($self) = @_;
1321		1441
		1442	local $self->{deny_reset} = 1; # loading can take a long time
		1443
1322	my $path = $self->{path};	1444	my $path = $self->{path};
1323	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1445	my $guard = cf::lock_acquire "map_load:$path";
1324		1446
1325	return if $self->in_memory != cf::MAP_SWAPPED;	1447	return if $self->in_memory != cf::MAP_SWAPPED;
1326		1448
1327	$self->in_memory (cf::MAP_LOADING);	1449	$self->in_memory (cf::MAP_LOADING);
1328		1450
1329	$self->alloc;	1451	$self->alloc;
		1452
		1453	$self->pre_load;
		1454
1330	$self->load_objects ($self->{load_path}, 1)	1455	$self->_load_objects ($self->{load_path}, 1)
1331	or return;	1456	or return;
1332		1457
1333	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1334	if delete $self->{load_original};	1459	if delete $self->{load_original};
1335		1460
1336	if (my $uniq = $path->uniq_path) {	1461	if (my $uniq = $self->uniq_path) {
1337	utf8::encode $uniq;	1462	utf8::encode $uniq;
1338	if (aio_open $uniq, O_RDONLY, 0) {	1463	if (aio_open $uniq, O_RDONLY, 0) {
1339	$self->clear_unique_items;	1464	$self->clear_unique_items;
1340	$self->load_objects ($uniq, 0);	1465	$self->_load_objects ($uniq, 0);
1341	}	1466	}
1342	}	1467	}
1343		1468
1344	Coro::cede;	1469	Coro::cede;
1345		1470
1346	# now do the right thing for maps	1471	# now do the right thing for maps
1347	$self->link_multipart_objects;	1472	$self->link_multipart_objects;
1348		1473
1349	if ($self->{path}->is_style_map) {	1474	unless ($self->{deny_activate}) {
1350	$self->{deny_save} = 1;	1475	$self->decay_objects;
1351	$self->{deny_reset} = 1;
1352	} else {
1353	$self->fix_auto_apply;	1476	$self->fix_auto_apply;
1354	$self->decay_objects;
1355	$self->update_buttons;	1477	$self->update_buttons;
		1478	Coro::cede;
1356	$self->set_darkness_map;	1479	$self->set_darkness_map;
1357	$self->difficulty ($self->estimate_difficulty)	1480	$self->difficulty ($self->estimate_difficulty)
1358	unless $self->difficulty;	1481	unless $self->difficulty;
		1482	Coro::cede;
1359	$self->activate;	1483	$self->activate;
1360	}	1484	}
1361		1485
1362	Coro::cede;	1486	$self->post_load;
1363		1487
1364	$self->in_memory (cf::MAP_IN_MEMORY);	1488	$self->in_memory (cf::MAP_IN_MEMORY);
		1489	}
		1490
		1491	sub customise_for {
		1492	my ($self, $ob) = @_;
		1493
		1494	return find "~" . $ob->name . "/" . $self->{path}
		1495	if $self->per_player;
		1496
		1497	$self
		1498	}
		1499
		1500	# find and load all maps in the 3x3 area around a map
		1501	sub load_diag {
		1502	my ($map) = @_;
		1503
		1504	my @diag; # diagonal neighbours
		1505
		1506	for (0 .. 3) {
		1507	my $neigh = $map->tile_path ($_)
		1508	or next;
		1509	$neigh = find $neigh, $map
		1510	or next;
		1511	$neigh->load;
		1512
		1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1515	}
		1516
		1517	for (@diag) {
		1518	my $neigh = find @$_
		1519	or next;
		1520	$neigh->load;
		1521	}
1365	}	1522	}
1366		1523
1367	sub find_sync {	1524	sub find_sync {
1368	my ($path, $origin) = @_;	1525	my ($path, $origin) = @_;
1369		1526
1370	cf::sync_job { cf::map::find $path, $origin }	1527	cf::sync_job { find $path, $origin }
1371	}	1528	}
1372		1529
1373	sub do_load_sync {	1530	sub do_load_sync {
1374	my ($map) = @_;	1531	my ($map) = @_;
1375		1532
1376	cf::sync_job { $map->load };	1533	cf::sync_job { $map->load };
1377	}	1534	}
1378		1535
		1536	our %MAP_PREFETCH;
		1537	our $MAP_PREFETCHER = undef;
		1538
		1539	sub find_async {
		1540	my ($path, $origin) = @_;
		1541
		1542	$path = normalise $path, $origin && $origin->{path};
		1543
		1544	if (my $map = $cf::MAP{$path}) {
		1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1546	}
		1547
		1548	undef $MAP_PREFETCH{$path};
		1549	$MAP_PREFETCHER ||= cf::async {
		1550	while (%MAP_PREFETCH) {
		1551	for my $path (keys %MAP_PREFETCH) {
		1552	my $map = find $path
		1553	or next;
		1554	$map->load;
		1555
		1556	delete $MAP_PREFETCH{$path};
		1557	}
		1558	}
		1559	undef $MAP_PREFETCHER;
		1560	};
		1561	$MAP_PREFETCHER->prio (6);
		1562
		1563	()
		1564	}
		1565
1379	sub save {	1566	sub save {
1380	my ($self) = @_;	1567	my ($self) = @_;
1381		1568
1382	my $lock = cf::lock_acquire "map_data:" . $self->path;	1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
1383		1570
1384	$self->{last_save} = $cf::RUNTIME;	1571	$self->{last_save} = $cf::RUNTIME;
1385		1572
1386	return unless $self->dirty;	1573	return unless $self->dirty;
1387		1574
1388	my $save = $self->{path}->save_path; utf8::encode $save;	1575	my $save = $self->save_path; utf8::encode $save;
1389	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1576	my $uniq = $self->uniq_path; utf8::encode $uniq;
1390		1577
1391	$self->{load_path} = $save;	1578	$self->{load_path} = $save;
1392		1579
1393	return if $self->{deny_save};	1580	return if $self->{deny_save};
1394		1581
…		…
1397	cf::async {	1584	cf::async {
1398	$_->contr->save for $self->players;	1585	$_->contr->save for $self->players;
1399	};	1586	};
1400		1587
1401	if ($uniq) {	1588	if ($uniq) {
1402	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1403	$self->save_objects ($uniq, cf::IO_UNIQUES);	1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1404	} else {	1591	} else {
1405	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1406	}	1593	}
1407	}	1594	}
1408		1595
1409	sub swap_out {	1596	sub swap_out {
1410	my ($self) = @_;	1597	my ($self) = @_;
…		…
1424		1611
1425	sub reset_at {	1612	sub reset_at {
1426	my ($self) = @_;	1613	my ($self) = @_;
1427		1614
1428	# TODO: safety, remove and allow resettable per-player maps	1615	# TODO: safety, remove and allow resettable per-player maps
1429	return 1e99 if $self->{path}{user_rel};	1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1430	return 1e99 if $self->{deny_reset};	1617	return 1e99 if $self->{deny_reset};
1431		1618
1432	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1433	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1434		1621
…		…
1439	my ($self) = @_;	1626	my ($self) = @_;
1440		1627
1441	$self->reset_at <= $cf::RUNTIME	1628	$self->reset_at <= $cf::RUNTIME
1442	}	1629	}
1443		1630
1444	sub unlink_save {
1445	my ($self) = @_;
1446
1447	utf8::encode (my $save = $self->{path}->save_path);
1448	aioreq_pri 3; IO::AIO::aio_unlink $save;
1449	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1450	}
1451
1452	sub rename {
1453	my ($self, $new_path) = @_;
1454
1455	$self->unlink_save;
1456
1457	delete $cf::MAP{$self->path};
1458	$self->{path} = new cf::path $new_path;
1459	$self->path ($self->{path}->as_string);
1460	$cf::MAP{$self->path} = $self;
1461
1462	$self->save;
1463	}
1464
1465	sub reset {	1631	sub reset {
1466	my ($self) = @_;	1632	my ($self) = @_;
1467		1633
1468	my $lock = cf::lock_acquire "map_data:" . $self->path;	1634	my $lock = cf::lock_acquire "map_data:$self->{path}";
1469		1635
1470	return if $self->players;	1636	return if $self->players;
1471	return if $self->{path}{user_rel};#d#	1637	return if $self->isa ("ext::map_per_player");#d#
1472		1638
1473	warn "resetting map ", $self->path;#d#	1639	warn "resetting map ", $self->path;#d#
1474		1640
		1641	$self->in_memory (cf::MAP_SWAPPED);
		1642
		1643	# need to save uniques path
		1644	unless ($self->{deny_save}) {
		1645	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1646
		1647	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1648	if $uniq;
		1649	}
		1650
1475	delete $cf::MAP{$self->path};	1651	delete $cf::MAP{$self->path};
		1652
		1653	$self->clear;
1476		1654
1477	$_->clear_links_to ($self) for values %cf::MAP;	1655	$_->clear_links_to ($self) for values %cf::MAP;
1478		1656
1479	$self->unlink_save;	1657	$self->unlink_save;
1480	$self->destroy;	1658	$self->destroy;
…		…
1483	my $nuke_counter = "aaaa";	1661	my $nuke_counter = "aaaa";
1484		1662
1485	sub nuke {	1663	sub nuke {
1486	my ($self) = @_;	1664	my ($self) = @_;
1487		1665
		1666	delete $cf::MAP{$self->path};
		1667
		1668	$self->unlink_save;
		1669
		1670	bless $self, "cf::map";
		1671	delete $self->{deny_reset};
1488	$self->{deny_save} = 1;	1672	$self->{deny_save} = 1;
1489	$self->reset_timeout (1);	1673	$self->reset_timeout (1);
1490	$self->rename ("{nuke}/" . ($nuke_counter++));	1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1675
		1676	$cf::MAP{$self->path} = $self;
		1677
1491	$self->reset; # polite request, might not happen	1678	$self->reset; # polite request, might not happen
1492	}	1679	}
1493		1680
1494	sub customise_for {	1681	=item cf::map::unique_maps
1495	my ($map, $ob) = @_;
1496		1682
1497	if ($map->per_player) {	1683	Returns an arrayref of paths of all shared maps that have
1498	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1684	instantiated unique items. May block.
1499	}
1500		1685
1501	$map	1686	=cut
1502	}
1503		1687
1504	sub emergency_save {	1688	sub unique_maps() {
1505	my $freeze_guard = cf::freeze_mainloop;	1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1690	or return;
1506		1691
1507	warn "enter emergency perl save\n";	1692	my @paths;
1508		1693
1509	cf::sync_job {	1694	for (@$files) {
1510	warn "begin emergency player save\n";	1695	utf8::decode $_;
1511	$_->save for values %cf::PLAYER;	1696	next if /\.pst$/;
1512	warn "end emergency player save\n";	1697	next unless /^$PATH_SEP/o;
1513		1698
1514	warn "begin emergency map save\n";	1699	push @paths, cf::map::normalise $_;
1515	$_->save for values %cf::MAP;
1516	warn "end emergency map save\n";
1517	};	1700	}
1518		1701
1519	warn "leave emergency perl save\n";	1702	\@paths
1520	}	1703	}
1521		1704
1522	package cf;	1705	package cf;
1523		1706
1524	=back	1707	=back
1525		1708
		1709	=head3 cf::object
		1710
		1711	=cut
		1712
		1713	package cf::object;
		1714
		1715	=over 4
		1716
		1717	=item $ob->inv_recursive
		1718
		1719	Returns the inventory of the object _and_ their inventories, recursively.
		1720
		1721	=cut
		1722
		1723	sub inv_recursive_;
		1724	sub inv_recursive_ {
		1725	map { $_, inv_recursive_ $_->inv } @_
		1726	}
		1727
		1728	sub inv_recursive {
		1729	inv_recursive_ inv $_[0]
		1730	}
		1731
		1732	package cf;
		1733
		1734	=back
1526		1735
1527	=head3 cf::object::player	1736	=head3 cf::object::player
1528		1737
1529	=over 4	1738	=over 4
1530		1739
…		…
1570		1779
1571	=item $player_object->enter_link	1780	=item $player_object->enter_link
1572		1781
1573	Freezes the player and moves him/her to a special map (C<{link}>).	1782	Freezes the player and moves him/her to a special map (C<{link}>).
1574		1783
1575	The player should be reaosnably safe there for short amounts of time. You	1784	The player should be reasonably safe there for short amounts of time. You
1576	I<MUST> call C<leave_link> as soon as possible, though.	1785	I<MUST> call C<leave_link> as soon as possible, though.
1577		1786
		1787	Will never block.
		1788
1578	=item $player_object->leave_link ($map, $x, $y)	1789	=item $player_object->leave_link ($map, $x, $y)
1579		1790
1580	Moves the player out of the specila link map onto the given map. If the	1791	Moves the player out of the special C<{link}> map onto the specified
1581	map is not valid (or omitted), the player will be moved back to the	1792	map. If the map is not valid (or omitted), the player will be moved back
1582	location he/she was before the call to C<enter_link>, or, if that fails,	1793	to the location he/she was before the call to C<enter_link>, or, if that
1583	to the emergency map position.	1794	fails, to the emergency map position.
1584		1795
1585	Might block.	1796	Might block.
1586		1797
1587	=cut	1798	=cut
		1799
		1800	sub link_map {
		1801	unless ($LINK_MAP) {
		1802	$LINK_MAP = cf::map::find "{link}"
		1803	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1804	$LINK_MAP->load;
		1805	}
		1806
		1807	$LINK_MAP
		1808	}
1588		1809
1589	sub cf::object::player::enter_link {	1810	sub cf::object::player::enter_link {
1590	my ($self) = @_;	1811	my ($self) = @_;
1591		1812
1592	$self->deactivate_recursive;	1813	$self->deactivate_recursive;
1593		1814
1594	return if $self->map == $LINK_MAP;	1815	return if UNIVERSAL::isa $self->map, "ext::map_link";
1595		1816
1596	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1597	if $self->map;	1818	if $self->map;
1598		1819
1599	$self->enter_map ($LINK_MAP, 20, 20);	1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1600	}	1821	}
1601		1822
1602	sub cf::object::player::leave_link {	1823	sub cf::object::player::leave_link {
1603	my ($self, $map, $x, $y) = @_;	1824	my ($self, $map, $x, $y) = @_;
1604		1825
…		…
1622	# use -1 or undef as default coordinates, not 0, 0	1843	# use -1 or undef as default coordinates, not 0, 0
1623	($x, $y) = ($map->enter_x, $map->enter_y)	1844	($x, $y) = ($map->enter_x, $map->enter_y)
1624	if $x <=0 && $y <= 0;	1845	if $x <=0 && $y <= 0;
1625		1846
1626	$map->load;	1847	$map->load;
		1848	$map->load_diag;
1627		1849
1628	return unless $self->contr->active;	1850	return unless $self->contr->active;
1629	$self->activate_recursive;	1851	$self->activate_recursive;
		1852
		1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1630	$self->enter_map ($map, $x, $y);	1854	$self->enter_map ($map, $x, $y);
1631	}	1855	}
1632		1856
1633	cf::player->attach (	1857	cf::player->attach (
1634	on_logout => sub {	1858	on_logout => sub {
…		…
1647	# try to abort aborted map switching on player login :)	1871	# try to abort aborted map switching on player login :)
1648	# should happen only on crashes	1872	# should happen only on crashes
1649	if ($pl->ob->{_link_pos}) {	1873	if ($pl->ob->{_link_pos}) {
1650	$pl->ob->enter_link;	1874	$pl->ob->enter_link;
1651	(async {	1875	(async {
1652	# we need this sleep as the login has a concurrent enter_exit running
1653	# and this sleep increases chances of the player not ending up in scorn
1654	$pl->ob->reply (undef,	1876	$pl->ob->reply (undef,
1655	"There was an internal problem at your last logout, "	1877	"There was an internal problem at your last logout, "
1656	. "the server will try to bring you to your intended destination in a second.",	1878	. "the server will try to bring you to your intended destination in a second.",
1657	cf::NDI_RED);	1879	cf::NDI_RED);
		1880	# we need this sleep as the login has a concurrent enter_exit running
		1881	# and this sleep increases chances of the player not ending up in scorn
1658	Coro::Timer::sleep 1;	1882	Coro::Timer::sleep 1;
1659	$pl->ob->leave_link;	1883	$pl->ob->leave_link;
1660	})->prio (2);	1884	})->prio (2);
1661	}	1885	}
1662	},	1886	},
…		…
1670	my ($self, $path, $x, $y) = @_;	1894	my ($self, $path, $x, $y) = @_;
1671		1895
1672	$self->enter_link;	1896	$self->enter_link;
1673		1897
1674	(async {	1898	(async {
1675	$path = new cf::path $path;	1899	my $map = eval {
1676
1677	my $map = cf::map::find $path->as_string;	1900	my $map = cf::map::find $path;
1678	$map = $map->customise_for ($self) if $map;	1901	$map = $map->customise_for ($self) if $map;
1679		1902	$map
1680	# warn "entering ", $map->path, " at ($x, $y)\n"	1903	} or
1681	# if $map;
1682
1683	$map or $map->cluck ("oy");#d#
1684	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1685		1905
1686	$self->leave_link ($map, $x, $y);	1906	$self->leave_link ($map, $x, $y);
1687	})->prio (1);	1907	})->prio (1);
1688	}	1908	}
1689		1909
…		…
1693		1913
1694	sub parse_random_map_params {	1914	sub parse_random_map_params {
1695	my ($spec) = @_;	1915	my ($spec) = @_;
1696		1916
1697	my $rmp = { # defaults	1917	my $rmp = { # defaults
1698	xsize => 10,	1918	xsize => (cf::rndm 15, 40),
1699	ysize => 10,	1919	ysize => (cf::rndm 15, 40),
		1920	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1921	#layout => string,
1700	};	1922	};
1701		1923
1702	for (split /\n/, $spec) {	1924	for (split /\n/, $spec) {
1703	my ($k, $v) = split /\s+/, $_, 2;	1925	my ($k, $v) = split /\s+/, $_, 2;
1704		1926
…		…
1708	$rmp	1930	$rmp
1709	}	1931	}
1710		1932
1711	sub prepare_random_map {	1933	sub prepare_random_map {
1712	my ($exit) = @_;	1934	my ($exit) = @_;
		1935
		1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1713		1937
1714	# all this does is basically replace the /! path by	1938	# all this does is basically replace the /! path by
1715	# a new random map path (?random/...) with a seed	1939	# a new random map path (?random/...) with a seed
1716	# that depends on the exit object	1940	# that depends on the exit object
1717		1941
1718	my $rmp = parse_random_map_params $exit->msg;	1942	my $rmp = parse_random_map_params $exit->msg;
1719		1943
1720	if ($exit->map) {	1944	if ($exit->map) {
1721	$rmp->{region} = $exit->map->region_name;	1945	$rmp->{region} = $exit->region->name;
1722	$rmp->{origin_map} = $exit->map->path;	1946	$rmp->{origin_map} = $exit->map->path;
1723	$rmp->{origin_x} = $exit->x;	1947	$rmp->{origin_x} = $exit->x;
1724	$rmp->{origin_y} = $exit->y;	1948	$rmp->{origin_y} = $exit->y;
1725	}	1949	}
1726		1950
1727	$rmp->{random_seed} ||= $exit->random_seed;	1951	$rmp->{random_seed} ||= $exit->random_seed;
1728		1952
1729	my $data = cf::to_json $rmp;	1953	my $data = cf::to_json $rmp;
1730	my $md5 = Digest::MD5::md5_hex $data;	1954	my $md5 = Digest::MD5::md5_hex $data;
		1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1731		1956
1732	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1733	aio_write $fh, 0, (length $data), $data, 0;	1958	aio_write $fh, 0, (length $data), $data, 0;
		1959	undef $fh;
		1960	aio_rename "$meta~", $meta;
1734		1961
1735	$exit->slaying ("?random/$md5");	1962	$exit->slaying ("?random/$md5");
1736	$exit->msg (undef);	1963	$exit->msg (undef);
1737	}	1964	}
1738	}	1965	}
1739		1966
1740	sub cf::object::player::enter_exit {	1967	sub cf::object::player::enter_exit {
1741	my ($self, $exit) = @_;	1968	my ($self, $exit) = @_;
1742		1969
1743	return unless $self->type == cf::PLAYER;	1970	return unless $self->type == cf::PLAYER;
		1971
		1972	if ($exit->slaying eq "/!") {
		1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1974	cf::sync_job { prepare_random_map $exit };
		1975	}
		1976
		1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1978	my $hp = $exit->stats->hp;
		1979	my $sp = $exit->stats->sp;
1744		1980
1745	$self->enter_link;	1981	$self->enter_link;
1746		1982
1747	(async {	1983	(async {
1748	$self->deactivate_recursive; # just to be sure	1984	$self->deactivate_recursive; # just to be sure
1749	unless (eval {	1985	unless (eval {
1750	prepare_random_map $exit	1986	$self->goto ($slaying, $hp, $sp);
1751	if $exit->slaying eq "/!";
1752
1753	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1754	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1755		1987
1756	1;	1988	1;
1757	}) {	1989	}) {
1758	$self->message ("Something went wrong deep within the crossfire server. "	1990	$self->message ("Something went wrong deep within the crossfire server. "
1759	. "I'll try to bring you back to the map you were before. "	1991	. "I'll try to bring you back to the map you were before. "
1760	. "Please report this to the dungeon master",	1992	. "Please report this to the dungeon master!",
1761	cf::NDI_UNIQUE | cf::NDI_RED);	1993	cf::NDI_UNIQUE | cf::NDI_RED);
1762		1994
1763	warn "ERROR in enter_exit: $@";	1995	warn "ERROR in enter_exit: $@";
1764	$self->leave_link;	1996	$self->leave_link;
1765	}	1997	}
…		…
1779		2011
1780	sub cf::client::send_drawinfo {	2012	sub cf::client::send_drawinfo {
1781	my ($self, $text, $flags) = @_;	2013	my ($self, $text, $flags) = @_;
1782		2014
1783	utf8::encode $text;	2015	utf8::encode $text;
1784	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1785	}	2017	}
1786		2018
1787		2019
1788	=item $success = $client->query ($flags, "text", \&cb)	2020	=item $success = $client->query ($flags, "text", \&cb)
1789		2021
…		…
1820	# get handled first	2052	# get handled first
1821	my $queue = delete $ns->{query_queue}	2053	my $queue = delete $ns->{query_queue}
1822	or return; # be conservative, not sure how that can happen, but we saw a crash here	2054	or return; # be conservative, not sure how that can happen, but we saw a crash here
1823		2055
1824	(shift @$queue)->[1]->($msg);	2056	(shift @$queue)->[1]->($msg);
		2057	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825		2058
1826	push @{ $ns->{query_queue} }, @$queue;	2059	push @{ $ns->{query_queue} }, @$queue;
1827		2060
1828	if (@{ $ns->{query_queue} } == @$queue) {	2061	if (@{ $ns->{query_queue} } == @$queue) {
1829	if (@$queue) {	2062	if (@$queue) {
…		…
1887		2120
1888	# here we export the classes and methods available to script code	2121	# here we export the classes and methods available to script code
1889		2122
1890	=pod	2123	=pod
1891		2124
1892	The following fucntions and emthods are available within a safe environment:	2125	The following functions and methods are available within a safe environment:
1893		2126
1894	cf::object contr pay_amount pay_player map	2127	cf::object contr pay_amount pay_player map
1895	cf::object::player player	2128	cf::object::player player
1896	cf::player peaceful	2129	cf::player peaceful
1897	cf::map trigger	2130	cf::map trigger
…		…
1990	The parameter C<$family> should best start with the name of the extension	2223	The parameter C<$family> should best start with the name of the extension
1991	using it, it should be unique.	2224	using it, it should be unique.
1992		2225
1993	=over 4	2226	=over 4
1994		2227
1995	=item $hashref = cf::db_get $family
1996
1997	Return a hashref for use by the extension C<$family>, which can be
1998	modified. After modifications, you have to call C<cf::db_dirty> or
1999	C<cf::db_sync>.
2000
2001	=item $value = cf::db_get $family => $key	2228	=item $value = cf::db_get $family => $key
2002		2229
2003	Returns a single value from the database	2230	Returns a single value from the database.
2004
2005	=item cf::db_put $family => $hashref
2006
2007	Stores the given family hashref into the database. Updates are delayed, if
2008	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2009		2231
2010	=item cf::db_put $family => $key => $value	2232	=item cf::db_put $family => $key => $value
2011		2233
2012	Stores the given C<$value> in the family hash. Updates are delayed, if you	2234	Stores the given C<$value> in the family.
2013	want the data to be synced to disk immediately, use C<cf::db_sync>.
2014
2015	=item cf::db_dirty
2016
2017	Marks the database as dirty, to be updated at a later time.
2018
2019	=item cf::db_sync
2020
2021	Immediately write the database to disk I<if it is dirty>.
2022		2235
2023	=cut	2236	=cut
2024		2237
2025	our $DB;	2238	our $DB;
2026		2239
2027	{	2240	sub db_init {
		2241	unless ($DB) {
		2242	$DB = BDB::db_create $DB_ENV;
		2243
		2244	cf::sync_job {
		2245	eval {
		2246	$DB->set_flags (BDB::CHKSUM);
		2247
		2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2250	cf::cleanup "db_open(db): $!" if $!;
		2251	};
		2252	cf::cleanup "db_open(db): $@" if $@;
		2253	};
		2254
2028	my $path = cf::localdir . "/database.pst";	2255	my $path = cf::localdir . "/database.pst";
		2256	if (stat $path) {
		2257	cf::sync_job {
		2258	my $pst = Storable::retrieve $path;
2029		2259
2030	sub db_load() {	2260	cf::db_put (board => data => $pst->{board});
2031	$DB = stat $path ? Storable::retrieve $path : { };	2261	cf::db_put (guildrules => data => $pst->{guildrules});
2032	}	2262	cf::db_put (rent => balance => $pst->{rent}{balance});
		2263	BDB::db_env_txn_checkpoint $DB_ENV;
2033		2264
2034	my $pid;	2265	unlink $path;
2035
2036	sub db_save() {
2037	waitpid $pid, 0 if $pid;
2038	if (0 == ($pid = fork)) {
2039	$DB->{_meta}{version} = 1;
2040	Storable::nstore $DB, "$path~";
2041	rename "$path~", $path;
2042	cf::_exit 0 if defined $pid;
2043	}	2266	};
2044	}	2267	}
2045
2046	my $dirty;
2047
2048	sub db_sync() {
2049	db_save if $dirty;
2050	undef $dirty;
2051	}
2052
2053	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2054	db_sync;
2055	});	2268	}
		2269	}
2056		2270
2057	sub db_dirty() {
2058	$dirty = 1;
2059	$idle->start;
2060	}
2061
2062	sub db_get($;$) {	2271	sub db_get($$) {
2063	@_ >= 2	2272	my $key = "$_[0]/$_[1]";
2064	? $DB->{$_[0]}{$_[1]}
2065	: ($DB->{$_[0]} ||= { })
2066	}
2067		2273
		2274	cf::sync_job {
		2275	BDB::db_get $DB, undef, $key, my $data;
		2276
		2277	$! ? ()
		2278	: Compress::LZF::sthaw $data
		2279	}
		2280	}
		2281
2068	sub db_put($$;$) {	2282	sub db_put($$$) {
2069	if (@_ >= 3) {	2283	BDB::dbreq_pri 4;
2070	$DB->{$_[0]}{$_[1]} = $_[2];	2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2285	}
		2286
		2287	#############################################################################
		2288	# the server's init and main functions
		2289
		2290	sub load_facedata {
		2291	my $path = sprintf "%s/facedata", cf::datadir;
		2292
		2293	warn "loading facedata from $path\n";
		2294
		2295	my $faces;
		2296	0 < aio_load $path, $faces
		2297	or die "$path: $!";
		2298
		2299	Coro::cede;
		2300	$faces = Storable::thaw $faces;
		2301	Coro::cede;
		2302
		2303	my $meta = delete $faces->{""};
		2304	$meta->{version} == 1
		2305	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2306
		2307	while (my ($face, $info) = each %$faces) {
		2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2312	Coro::cede;
		2313	}
		2314
		2315	while (my ($face, $info) = each %$faces) {
		2316	next unless $info->{smooth};
		2317	my $idx = cf::face::find $face
		2318	or next;
		2319	if (my $smooth = cf::face::find $info->{smooth}) {
		2320	cf::face::set_smooth $idx, $smooth;
2071	} else {	2321	} else {
2072	$DB->{$_[0]} = $_[1];	2322	warn "smooth face '$info->{smooth}' not found for face '$face'";
2073	}
2074	db_dirty;
2075	}
2076
2077	cf::global->attach (
2078	prio => 10000,
2079	on_cleanup => sub {
2080	db_sync;
2081	},	2323	}
2082	);	2324	Coro::cede;
2083	}	2325	}
2084		2326
2085	#############################################################################	2327	1
2086	# the server's main()	2328	}
		2329
		2330	sub reload_resources {
		2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2332	or die "unable to load regions file\n";#d#
		2333	load_facedata
		2334	or die "unable to load facedata\n";#d#
		2335	}
		2336
		2337	sub init {
		2338	reload_resources;
		2339	}
2087		2340
2088	sub cfg_load {	2341	sub cfg_load {
2089	open my $fh, "<:utf8", cf::confdir . "/config"	2342	open my $fh, "<:utf8", cf::confdir . "/config"
2090	or return;	2343	or return;
2091		2344
…		…
2108		2361
2109	sub main {	2362	sub main {
2110	# we must not ever block the main coroutine	2363	# we must not ever block the main coroutine
2111	local $Coro::idle = sub {	2364	local $Coro::idle = sub {
2112	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2366	(async {
2113	async { Event::one_event };	2367	Event::one_event;
		2368	})->prio (Coro::PRIO_MAX);
2114	};	2369	};
2115		2370
2116	cfg_load;	2371	cfg_load;
2117	db_load;	2372	db_init;
2118	load_extensions;	2373	load_extensions;
		2374
		2375	$TICK_WATCHER->start;
2119	Event::loop;	2376	Event::loop;
2120	}	2377	}
2121		2378
2122	#############################################################################	2379	#############################################################################
2123	# initialisation	2380	# initialisation and cleanup
		2381
		2382	# install some emergency cleanup handlers
		2383	BEGIN {
		2384	for my $signal (qw(INT HUP TERM)) {
		2385	Event->signal (
		2386	reentrant => 0,
		2387	data => WF_AUTOCANCEL,
		2388	signal => $signal,
		2389	prio => 0,
		2390	cb => sub {
		2391	cf::cleanup "SIG$signal";
		2392	},
		2393	);
		2394	}
		2395	}
		2396
		2397	sub emergency_save() {
		2398	my $freeze_guard = cf::freeze_mainloop;
		2399
		2400	warn "enter emergency perl save\n";
		2401
		2402	cf::sync_job {
		2403	# use a peculiar iteration method to avoid tripping on perl
		2404	# refcount bugs in for. also avoids problems with players
		2405	# and maps saved/destroyed asynchronously.
		2406	warn "begin emergency player save\n";
		2407	for my $login (keys %cf::PLAYER) {
		2408	my $pl = $cf::PLAYER{$login} or next;
		2409	$pl->valid or next;
		2410	$pl->save;
		2411	}
		2412	warn "end emergency player save\n";
		2413
		2414	warn "begin emergency map save\n";
		2415	for my $path (keys %cf::MAP) {
		2416	my $map = $cf::MAP{$path} or next;
		2417	$map->valid or next;
		2418	$map->save;
		2419	}
		2420	warn "end emergency map save\n";
		2421
		2422	warn "begin emergency database checkpoint\n";
		2423	BDB::db_env_txn_checkpoint $DB_ENV;
		2424	warn "end emergency database checkpoint\n";
		2425	};
		2426
		2427	warn "leave emergency perl save\n";
		2428	}
		2429
		2430	sub post_cleanup {
		2431	my ($make_core) = @_;
		2432
		2433	warn Carp::longmess "post_cleanup backtrace"
		2434	if $make_core;
		2435	}
2124		2436
2125	sub reload() {	2437	sub reload() {
2126	# can/must only be called in main	2438	# can/must only be called in main
2127	if ($Coro::current != $Coro::main) {	2439	if ($Coro::current != $Coro::main) {
2128	warn "can only reload from main coroutine\n";	2440	warn "can only reload from main coroutine";
2129	return;	2441	return;
2130	}	2442	}
2131		2443
2132	warn "reloading...";	2444	warn "reloading...";
2133		2445
2134	my $guard = freeze_mainloop;	2446	warn "entering sync_job";
		2447
		2448	cf::sync_job {
		2449	cf::write_runtime; # external watchdog should not bark
2135	cf::emergency_save;	2450	cf::emergency_save;
		2451	cf::write_runtime; # external watchdog should not bark
2136		2452
2137	eval {	2453	warn "syncing database to disk";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455
2138	# if anything goes wrong in here, we should simply crash as we already saved	2456	# if anything goes wrong in here, we should simply crash as we already saved
2139		2457
2140	# cancel all watchers	2458	warn "cancelling all WF_AUTOCANCEL watchers";
2141	for (Event::all_watchers) {	2459	for (Event::all_watchers) {
2142	$_->cancel if $_->data & WF_AUTOCANCEL;	2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2143	}	2461	}
2144		2462
		2463	warn "flushing outstanding aio requests";
		2464	for (;;) {
		2465	BDB::flush;
		2466	IO::AIO::flush;
		2467	Coro::cede;
		2468	last unless IO::AIO::nreqs || BDB::nreqs;
		2469	warn "iterate...";
		2470	}
		2471
		2472	++$RELOAD;
		2473
2145	# cancel all extension coros	2474	warn "cancelling all extension coros";
2146	$_->cancel for values %EXT_CORO;	2475	$_->cancel for values %EXT_CORO;
2147	%EXT_CORO = ();	2476	%EXT_CORO = ();
2148		2477
2149	# unload all extensions	2478	warn "removing commands";
2150	for (@exts) {	2479	%COMMAND = ();
		2480
		2481	warn "removing ext commands";
		2482	%EXTCMD = ();
		2483
		2484	warn "unloading/nuking all extensions";
		2485	for my $pkg (@EXTS) {
2151	warn "unloading <$_>";	2486	warn "... unloading $pkg";
2152	unload_extension $_;	2487
		2488	if (my $cb = $pkg->can ("unload")) {
		2489	eval {
		2490	$cb->($pkg);
		2491	1
		2492	} or warn "$pkg unloaded, but with errors: $@";
2153	}	2493	}
2154		2494
		2495	warn "... nuking $pkg";
		2496	Symbol::delete_package $pkg;
		2497	}
		2498
2155	# unload all modules loaded from $LIBDIR	2499	warn "unloading all perl modules loaded from $LIBDIR";
2156	while (my ($k, $v) = each %INC) {	2500	while (my ($k, $v) = each %INC) {
2157	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2158		2502
2159	warn "removing <$k>";	2503	warn "... unloading $k";
2160	delete $INC{$k};	2504	delete $INC{$k};
2161		2505
2162	$k =~ s/\.pm$//;	2506	$k =~ s/\.pm$//;
2163	$k =~ s/\//::/g;	2507	$k =~ s/\//::/g;
2164		2508
…		…
2167	}	2511	}
2168		2512
2169	Symbol::delete_package $k;	2513	Symbol::delete_package $k;
2170	}	2514	}
2171		2515
2172	# sync database to disk
2173	cf::db_sync;
2174	IO::AIO::flush;
2175
2176	# get rid of safe::, as good as possible	2516	warn "getting rid of safe::, as good as possible";
2177	Symbol::delete_package "safe::$_"	2517	Symbol::delete_package "safe::$_"
2178	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2179		2519
2180	# remove register_script_function callbacks
2181	# TODO
2182
2183	# unload cf.pm "a bit"	2520	warn "unloading cf.pm \"a bit\"";
2184	delete $INC{"cf.pm"};	2521	delete $INC{"cf.pm"};
2185		2522
2186	# don't, removes xs symbols, too,	2523	# don't, removes xs symbols, too,
2187	# and global variables created in xs	2524	# and global variables created in xs
2188	#Symbol::delete_package __PACKAGE__;	2525	#Symbol::delete_package __PACKAGE__;
2189		2526
2190	# reload cf.pm	2527	warn "unload completed, starting to reload now";
		2528
2191	warn "reloading cf.pm";	2529	warn "reloading cf.pm";
2192	require cf;	2530	require cf;
2193	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2194		2532
2195	# load config and database again	2533	warn "loading config and database again";
2196	cf::cfg_load;	2534	cf::cfg_load;
2197	cf::db_load;
2198		2535
2199	# load extensions
2200	warn "load extensions";	2536	warn "loading extensions";
2201	cf::load_extensions;	2537	cf::load_extensions;
2202		2538
2203	# reattach attachments to objects	2539	warn "reattaching attachments to objects/players";
2204	warn "reattach";	2540	_global_reattach; # objects, sockets
2205	_global_reattach;	2541	warn "reattaching attachments to maps";
2206	reattach $_ for values %MAP;	2542	reattach $_ for values %MAP;
2207	};	2543	warn "reattaching attachments to players";
		2544	reattach $_ for values %PLAYER;
2208		2545
2209	if ($@) {	2546	warn "loading reloadable resources";
		2547	reload_resources;
		2548
		2549	warn "leaving sync_job";
		2550
		2551	1
		2552	} or do {
2210	warn $@;	2553	warn $@;
2211	warn "error while reloading, exiting.";	2554	warn "error while reloading, exiting.";
2212	exit 1;	2555	exit 1;
2213	}	2556	};
2214		2557
2215	warn "reloaded successfully";	2558	warn "reloaded";
2216	};	2559	};
2217		2560
2218	#############################################################################	2561	our $RELOAD_WATCHER; # used only during reload
2219
2220	unless ($LINK_MAP) {
2221	$LINK_MAP = cf::map::new;
2222
2223	$LINK_MAP->width (41);
2224	$LINK_MAP->height (41);
2225	$LINK_MAP->alloc;
2226	$LINK_MAP->path ("{link}");
2227	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2228	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2229
2230	# dirty hack because... archetypes are not yet loaded
2231	Event->timer (
2232	after => 10,
2233	cb => sub {
2234	$_[0]->w->cancel;
2235
2236	# provide some exits "home"
2237	my $exit = cf::object::new "exit";
2238
2239	$exit->slaying ($EMERGENCY_POSITION->[0]);
2240	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2241	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2242
2243	$LINK_MAP->insert ($exit->clone, 19, 19);
2244	$LINK_MAP->insert ($exit->clone, 19, 20);
2245	$LINK_MAP->insert ($exit->clone, 19, 21);
2246	$LINK_MAP->insert ($exit->clone, 20, 19);
2247	$LINK_MAP->insert ($exit->clone, 20, 21);
2248	$LINK_MAP->insert ($exit->clone, 21, 19);
2249	$LINK_MAP->insert ($exit->clone, 21, 20);
2250	$LINK_MAP->insert ($exit->clone, 21, 21);
2251
2252	$exit->destroy;
2253	});
2254
2255	$LINK_MAP->{deny_save} = 1;
2256	$LINK_MAP->{deny_reset} = 1;
2257
2258	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2259	}
2260
2261	register "<global>", __PACKAGE__;
2262		2562
2263	register_command "reload" => sub {	2563	register_command "reload" => sub {
2264	my ($who, $arg) = @_;	2564	my ($who, $arg) = @_;
2265		2565
2266	if ($who->flag (FLAG_WIZ)) {	2566	if ($who->flag (FLAG_WIZ)) {
2267	$who->message ("start of reload.");	2567	$who->message ("reloading server.");
		2568
		2569	# doing reload synchronously and two reloads happen back-to-back,
		2570	# coro crashes during coro_state_free->destroy here.
		2571
		2572	$RELOAD_WATCHER ||= Event->timer (
		2573	reentrant => 0,
		2574	after => 0,
		2575	data => WF_AUTOCANCEL,
		2576	cb => sub {
2268	reload;	2577	reload;
2269	$who->message ("end of reload.");	2578	undef $RELOAD_WATCHER;
		2579	},
		2580	);
2270	}	2581	}
2271	};	2582	};
2272		2583
2273	unshift @INC, $LIBDIR;	2584	unshift @INC, $LIBDIR;
		2585
		2586	my $bug_warning = 0;
2274		2587
2275	$TICK_WATCHER = Event->timer (	2588	$TICK_WATCHER = Event->timer (
2276	reentrant => 0,	2589	reentrant => 0,
		2590	parked => 1,
2277	prio => 0,	2591	prio => 0,
2278	at => $NEXT_TICK || $TICK,	2592	at => $NEXT_TICK || $TICK,
2279	data => WF_AUTOCANCEL,	2593	data => WF_AUTOCANCEL,
2280	cb => sub {	2594	cb => sub {
		2595	if ($Coro::current != $Coro::main) {
		2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2597	unless ++$bug_warning > 10;
		2598	return;
		2599	}
		2600
		2601	$NOW = Event::time;
		2602
2281	cf::server_tick; # one server iteration	2603	cf::server_tick; # one server iteration
2282	$RUNTIME += $TICK;	2604	$RUNTIME += $TICK;
2283	$NEXT_TICK += $TICK;	2605	$NEXT_TICK += $TICK;
		2606
		2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2608	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2609	Coro::async_pool {
		2610	write_runtime
		2611	or warn "ERROR: unable to write runtime file: $!";
		2612	};
		2613	}
		2614
		2615	$WAIT_FOR_TICK->broadcast;
		2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2617
		2618	# my $AFTER = Event::time;
		2619	# warn $AFTER - $NOW;#d#
2284		2620
2285	# if we are delayed by four ticks or more, skip them all	2621	# if we are delayed by four ticks or more, skip them all
2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2287		2623
2288	$TICK_WATCHER->at ($NEXT_TICK);	2624	$TICK_WATCHER->at ($NEXT_TICK);
2289	$TICK_WATCHER->start;	2625	$TICK_WATCHER->start;
2290	},	2626	},
2291	);	2627	);
2292		2628
		2629	{
2293	IO::AIO::max_poll_time $TICK * 0.2;	2630	BDB::max_poll_time $TICK * 0.1;
2294		2631	$BDB_POLL_WATCHER = Event->io (
2295	Event->io (	2632	reentrant => 0,
2296	fd => IO::AIO::poll_fileno,	2633	fd => BDB::poll_fileno,
2297	poll => 'r',	2634	poll => 'r',
2298	prio => 5,	2635	prio => 0,
2299	data => WF_AUTOCANCEL,
2300	cb => \&IO::AIO::poll_cb,
2301	);
2302
2303	Event->timer (
2304	data => WF_AUTOCANCEL,	2636	data => WF_AUTOCANCEL,
2305	after => 0,	2637	cb => \&BDB::poll_cb,
2306	interval => 10,	2638	);
2307	cb => sub {	2639	BDB::min_parallel 8;
2308	(Coro::unblock_sub {	2640
2309	write_runtime	2641	BDB::set_sync_prepare {
2310	or warn "ERROR: unable to write runtime file: $!";	2642	my $status;
		2643	my $current = $Coro::current;
		2644	(
		2645	sub {
		2646	$status = $!;
		2647	$current->ready; undef $current;
		2648	},
		2649	sub {
		2650	Coro::schedule while defined $current;
		2651	$! = $status;
		2652	},
		2653	)
		2654	};
		2655
		2656	unless ($DB_ENV) {
		2657	$DB_ENV = BDB::db_env_create;
		2658
		2659	cf::sync_job {
		2660	eval {
		2661	BDB::db_env_open
		2662	$DB_ENV,
		2663	$BDB_ENV_DIR,
		2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2666	0666;
		2667
		2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2669
		2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2671	$DB_ENV->set_lk_detect;
		2672	};
		2673
		2674	cf::cleanup "db_env_open(db): $@" if $@;
2311	})->();	2675	};
2312	},	2676	}
2313	);	2677	}
		2678
		2679	{
		2680	IO::AIO::min_parallel 8;
		2681
		2682	undef $Coro::AIO::WATCHER;
		2683	IO::AIO::max_poll_time $TICK * 0.1;
		2684	$AIO_POLL_WATCHER = Event->io (
		2685	reentrant => 0,
		2686	data => WF_AUTOCANCEL,
		2687	fd => IO::AIO::poll_fileno,
		2688	poll => 'r',
		2689	prio => 6,
		2690	cb => \&IO::AIO::poll_cb,
		2691	);
		2692	}
2314		2693
2315	END { cf::emergency_save }	2694	END { cf::emergency_save }
2316		2695
2317	1	2696	1
2318		2697

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