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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 1.233 by root, Wed Apr 4 02:20:27 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($$%) {
1184	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1185		1137
1186	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1187		1139
1188	$self->send ("ext " . cf::to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
		1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	$self->ns->ext_event ($type, %msg);
1189	}	1153	}
1190		1154
1191	package cf;	1155	package cf;
1192		1156
1193	=back	1157	=back
…		…
1202	package cf::map;	1166	package cf::map;
1203		1167
1204	use Fcntl;	1168	use Fcntl;
1205	use Coro::AIO;	1169	use Coro::AIO;
1206		1170
		1171	use overload
		1172	'""' => \&as_string,
		1173	fallback => 1;
		1174
1207	our $MAX_RESET = 3600;	1175	our $MAX_RESET = 3600;
1208	our $DEFAULT_RESET = 3000;	1176	our $DEFAULT_RESET = 3000;
1209		1177
1210	sub generate_random_map {	1178	sub generate_random_map {
1211	my ($path, $rmp) = @_;	1179	my ($self, $rmp) = @_;
1212
1213	# mit "rum" bekleckern, nicht	1180	# mit "rum" bekleckern, nicht
1214	cf::map::_create_random_map	1181	$self->_create_random_map (
1215	$path,
1216	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1217	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1218	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1219	$rmp->{exit_on_final_map},	1185	$rmp->{exit_on_final_map},
1220	$rmp->{xsize}, $rmp->{ysize},	1186	$rmp->{xsize}, $rmp->{ysize},
1221	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1187	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1222	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1188	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1223	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1189	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1224	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1190	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1225	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1191	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1226	(cf::region::find $rmp->{region})	1192	(cf::region::find $rmp->{region}), $rmp->{custom}
		1193	)
		1194	}
		1195
		1196	=item cf::map->register ($regex, $prio)
		1197
		1198	Register a handler for the map path matching the given regex at the
		1199	givne priority (higher is better, built-in handlers have priority 0, the
		1200	default).
		1201
		1202	=cut
		1203
		1204	sub register {
		1205	my (undef, $regex, $prio) = @_;
		1206	my $pkg = caller;
		1207
		1208	no strict;
		1209	push @{"$pkg\::ISA"}, __PACKAGE__;
		1210
		1211	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1212	}
		1213
		1214	# also paths starting with '/'
		1215	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1216
		1217	sub thawer_merge {
		1218	my ($self, $merge) = @_;
		1219
		1220	# we have to keep some variables in memory intact
		1221	local $self->{path};
		1222	local $self->{load_path};
		1223	local $self->{deny_save};
		1224	local $self->{deny_reset};
		1225
		1226	$self->SUPER::thawer_merge ($merge);
		1227	}
		1228
		1229	sub normalise {
		1230	my ($path, $base) = @_;
		1231
		1232	$path = "$path"; # make sure its a string
		1233
		1234	$path =~ s/\.map$//;
		1235
		1236	# map plan:
		1237	#
		1238	# /! non-realised random map exit (special hack!)
		1239	# {... are special paths that are not being touched
		1240	# ?xxx/... are special absolute paths
		1241	# ?random/... random maps
		1242	# /... normal maps
		1243	# ~user/... per-player map of a specific user
		1244
		1245	$path =~ s/$PATH_SEP/\//go;
		1246
		1247	# treat it as relative path if it starts with
		1248	# something that looks reasonable
		1249	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1250	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1251
		1252	$base =~ s{[^/]+/?$}{};
		1253	$path = "$base/$path";
		1254	}
		1255
		1256	for ($path) {
		1257	redo if s{//}{/};
		1258	redo if s{/\.?/}{/};
		1259	redo if s{/[^/]+/\.\./}{/};
		1260	}
		1261
		1262	$path
		1263	}
		1264
		1265	sub new_from_path {
		1266	my (undef, $path, $base) = @_;
		1267
		1268	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1269
		1270	$path = normalise $path, $base;
		1271
		1272	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1273	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1274	my $self = bless cf::map::new, $pkg;
		1275	$self->{path} = $path; $self->path ($path);
		1276	$self->init; # pass $1 etc.
		1277	return $self;
		1278	}
		1279	}
		1280
		1281	Carp::carp "unable to resolve path '$path' (base '$base').";
		1282	()
		1283	}
		1284
		1285	sub init {
		1286	my ($self) = @_;
		1287
		1288	$self
		1289	}
		1290
		1291	sub as_string {
		1292	my ($self) = @_;
		1293
		1294	"$self->{path}"
		1295	}
		1296
		1297	# the displayed name, this is a one way mapping
		1298	sub visible_name {
		1299	&as_string
		1300	}
		1301
		1302	# the original (read-only) location
		1303	sub load_path {
		1304	my ($self) = @_;
		1305
		1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1307	}
		1308
		1309	# the temporary/swap location
		1310	sub save_path {
		1311	my ($self) = @_;
		1312
		1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1315	}
		1316
		1317	# the unique path, undef == no special unique path
		1318	sub uniq_path {
		1319	my ($self) = @_;
		1320
		1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1227	}	1323	}
1228		1324
1229	# and all this just because we cannot iterate over	1325	# and all this just because we cannot iterate over
1230	# all maps in C++...	1326	# all maps in C++...
1231	sub change_all_map_light {	1327	sub change_all_map_light {
…		…
1233		1329
1234	$_->change_map_light ($change)	1330	$_->change_map_light ($change)
1235	for grep $_->outdoor, values %cf::MAP;	1331	for grep $_->outdoor, values %cf::MAP;
1236	}	1332	}
1237		1333
		1334	sub unlink_save {
		1335	my ($self) = @_;
		1336
		1337	utf8::encode (my $save = $self->save_path);
		1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1339	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1340	}
		1341
1238	sub try_load_header($) {	1342	sub load_header_from($) {
1239	my ($path) = @_;	1343	my ($self, $path) = @_;
1240		1344
1241	utf8::encode $path;	1345	utf8::encode $path;
1242	aio_open $path, O_RDONLY, 0	1346	#aio_open $path, O_RDONLY, 0
		1347	# or return;
		1348
		1349	$self->_load_header ($path)
1243	or return;	1350	or return;
1244		1351
1245	my $map = cf::map::new	1352	$self->{load_path} = $path;
		1353
		1354	1
		1355	}
		1356
		1357	sub load_header_orig {
		1358	my ($self) = @_;
		1359
		1360	$self->load_header_from ($self->load_path)
		1361	}
		1362
		1363	sub load_header_temp {
		1364	my ($self) = @_;
		1365
		1366	$self->load_header_from ($self->save_path)
		1367	}
		1368
		1369	sub prepare_temp {
		1370	my ($self) = @_;
		1371
		1372	$self->last_access ((delete $self->{last_access})
		1373	|| $cf::RUNTIME); #d#
		1374	# safety
		1375	$self->{instantiate_time} = $cf::RUNTIME
		1376	if $self->{instantiate_time} > $cf::RUNTIME;
		1377	}
		1378
		1379	sub prepare_orig {
		1380	my ($self) = @_;
		1381
		1382	$self->{load_original} = 1;
		1383	$self->{instantiate_time} = $cf::RUNTIME;
		1384	$self->last_access ($cf::RUNTIME);
		1385	$self->instantiate;
		1386	}
		1387
		1388	sub load_header {
		1389	my ($self) = @_;
		1390
		1391	if ($self->load_header_temp) {
		1392	$self->prepare_temp;
		1393	} else {
		1394	$self->load_header_orig
1246	or return;	1395	or return;
		1396	$self->prepare_orig;
		1397	}
1247		1398
1248	# for better error messages only, will be overwritten	1399	1
1249	$map->path ($path);
1250
1251	$map->load_header ($path)
1252	or return;
1253
1254	$map->{load_path} = $path;
1255
1256	$map
1257	}	1400	}
1258		1401
1259	sub find;	1402	sub find;
1260	sub find {	1403	sub find {
1261	my ($path, $origin) = @_;	1404	my ($path, $origin) = @_;
1262		1405
1263	#warn "find<$path,$origin>\n";#d#
1264
1265	$path = new cf::path $path, $origin && $origin->path;	1406	$path = normalise $path, $origin && $origin->path;
1266	my $key = $path->as_string;
1267		1407
1268	cf::lock_wait "map_find:$key";	1408	cf::lock_wait "map_find:$path";
1269		1409
1270	$cf::MAP{$key} || do {	1410	$cf::MAP{$path} || do {
1271	my $guard = cf::lock_acquire "map_find:$key";	1411	my $guard = cf::lock_acquire "map_find:$path";
1272		1412	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;	1413	or return;
1292		1414
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;	1415	$map->{last_save} = $cf::RUNTIME;
1305		1416
1306	Coro::cede;	1417	$map->load_header
		1418	or return;
1307		1419
1308	if ($map->should_reset) {	1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1421	# doing this can freeze the server in a sync job, obviously
		1422	#$cf::WAIT_FOR_TICK->wait;
1309	$map->reset;	1423	$map->reset;
1310	undef $guard;	1424	undef $guard;
1311	$map = find $path	1425	return find $path;
1312	or return;
1313	}	1426	}
1314		1427
1315	$cf::MAP{$key} = $map	1428	$cf::MAP{$path} = $map
1316	}	1429	}
1317	}	1430	}
		1431
		1432	sub pre_load { }
		1433	sub post_load { }
1318		1434
1319	sub load {	1435	sub load {
1320	my ($self) = @_;	1436	my ($self) = @_;
1321		1437
		1438	local $self->{deny_reset} = 1; # loading can take a long time
		1439
1322	my $path = $self->{path};	1440	my $path = $self->{path};
1323	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1441	my $guard = cf::lock_acquire "map_load:$path";
1324		1442
1325	return if $self->in_memory != cf::MAP_SWAPPED;	1443	return if $self->in_memory != cf::MAP_SWAPPED;
1326		1444
1327	$self->in_memory (cf::MAP_LOADING);	1445	$self->in_memory (cf::MAP_LOADING);
1328		1446
1329	$self->alloc;	1447	$self->alloc;
		1448
		1449	$self->pre_load;
		1450
1330	$self->load_objects ($self->{load_path}, 1)	1451	$self->_load_objects ($self->{load_path}, 1)
1331	or return;	1452	or return;
1332		1453
1333	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1334	if delete $self->{load_original};	1455	if delete $self->{load_original};
1335		1456
1336	if (my $uniq = $path->uniq_path) {	1457	if (my $uniq = $self->uniq_path) {
1337	utf8::encode $uniq;	1458	utf8::encode $uniq;
1338	if (aio_open $uniq, O_RDONLY, 0) {	1459	if (aio_open $uniq, O_RDONLY, 0) {
1339	$self->clear_unique_items;	1460	$self->clear_unique_items;
1340	$self->load_objects ($uniq, 0);	1461	$self->_load_objects ($uniq, 0);
1341	}	1462	}
1342	}	1463	}
1343		1464
1344	Coro::cede;	1465	Coro::cede;
1345		1466
1346	# now do the right thing for maps	1467	# now do the right thing for maps
1347	$self->link_multipart_objects;	1468	$self->link_multipart_objects;
1348		1469
1349	if ($self->{path}->is_style_map) {	1470	unless ($self->{deny_activate}) {
1350	$self->{deny_save} = 1;	1471	$self->decay_objects;
1351	$self->{deny_reset} = 1;
1352	} else {
1353	$self->fix_auto_apply;	1472	$self->fix_auto_apply;
1354	$self->decay_objects;
1355	$self->update_buttons;	1473	$self->update_buttons;
		1474	Coro::cede;
1356	$self->set_darkness_map;	1475	$self->set_darkness_map;
1357	$self->difficulty ($self->estimate_difficulty)	1476	$self->difficulty ($self->estimate_difficulty)
1358	unless $self->difficulty;	1477	unless $self->difficulty;
		1478	Coro::cede;
1359	$self->activate;	1479	$self->activate;
1360	}	1480	}
1361		1481
1362	Coro::cede;	1482	$self->post_load;
1363		1483
1364	$self->in_memory (cf::MAP_IN_MEMORY);	1484	$self->in_memory (cf::MAP_IN_MEMORY);
		1485	}
		1486
		1487	sub customise_for {
		1488	my ($self, $ob) = @_;
		1489
		1490	return find "~" . $ob->name . "/" . $self->{path}
		1491	if $self->per_player;
		1492
		1493	$self
		1494	}
		1495
		1496	# find and load all maps in the 3x3 area around a map
		1497	sub load_diag {
		1498	my ($map) = @_;
		1499
		1500	my @diag; # diagonal neighbours
		1501
		1502	for (0 .. 3) {
		1503	my $neigh = $map->tile_path ($_)
		1504	or next;
		1505	$neigh = find $neigh, $map
		1506	or next;
		1507	$neigh->load;
		1508
		1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1511	}
		1512
		1513	for (@diag) {
		1514	my $neigh = find @$_
		1515	or next;
		1516	$neigh->load;
		1517	}
1365	}	1518	}
1366		1519
1367	sub find_sync {	1520	sub find_sync {
1368	my ($path, $origin) = @_;	1521	my ($path, $origin) = @_;
1369		1522
1370	cf::sync_job { cf::map::find $path, $origin }	1523	cf::sync_job { find $path, $origin }
1371	}	1524	}
1372		1525
1373	sub do_load_sync {	1526	sub do_load_sync {
1374	my ($map) = @_;	1527	my ($map) = @_;
1375		1528
1376	cf::sync_job { $map->load };	1529	cf::sync_job { $map->load };
1377	}	1530	}
1378		1531
		1532	our %MAP_PREFETCH;
		1533	our $MAP_PREFETCHER = undef;
		1534
		1535	sub find_async {
		1536	my ($path, $origin) = @_;
		1537
		1538	$path = normalise $path, $origin && $origin->{path};
		1539
		1540	if (my $map = $cf::MAP{$path}) {
		1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1542	}
		1543
		1544	undef $MAP_PREFETCH{$path};
		1545	$MAP_PREFETCHER ||= cf::async {
		1546	while (%MAP_PREFETCH) {
		1547	for my $path (keys %MAP_PREFETCH) {
		1548	my $map = find $path
		1549	or next;
		1550	$map->load;
		1551
		1552	delete $MAP_PREFETCH{$path};
		1553	}
		1554	}
		1555	undef $MAP_PREFETCHER;
		1556	};
		1557	$MAP_PREFETCHER->prio (6);
		1558
		1559	()
		1560	}
		1561
1379	sub save {	1562	sub save {
1380	my ($self) = @_;	1563	my ($self) = @_;
1381		1564
1382	my $lock = cf::lock_acquire "map_data:" . $self->path;	1565	my $lock = cf::lock_acquire "map_data:" . $self->path;
1383		1566
1384	$self->{last_save} = $cf::RUNTIME;	1567	$self->{last_save} = $cf::RUNTIME;
1385		1568
1386	return unless $self->dirty;	1569	return unless $self->dirty;
1387		1570
1388	my $save = $self->{path}->save_path; utf8::encode $save;	1571	my $save = $self->save_path; utf8::encode $save;
1389	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1572	my $uniq = $self->uniq_path; utf8::encode $uniq;
1390		1573
1391	$self->{load_path} = $save;	1574	$self->{load_path} = $save;
1392		1575
1393	return if $self->{deny_save};	1576	return if $self->{deny_save};
1394		1577
…		…
1397	cf::async {	1580	cf::async {
1398	$_->contr->save for $self->players;	1581	$_->contr->save for $self->players;
1399	};	1582	};
1400		1583
1401	if ($uniq) {	1584	if ($uniq) {
1402	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1403	$self->save_objects ($uniq, cf::IO_UNIQUES);	1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1404	} else {	1587	} else {
1405	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1588	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1406	}	1589	}
1407	}	1590	}
1408		1591
1409	sub swap_out {	1592	sub swap_out {
1410	my ($self) = @_;	1593	my ($self) = @_;
…		…
1424		1607
1425	sub reset_at {	1608	sub reset_at {
1426	my ($self) = @_;	1609	my ($self) = @_;
1427		1610
1428	# TODO: safety, remove and allow resettable per-player maps	1611	# TODO: safety, remove and allow resettable per-player maps
1429	return 1e99 if $self->{path}{user_rel};	1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1430	return 1e99 if $self->{deny_reset};	1613	return 1e99 if $self->{deny_reset};
1431		1614
1432	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1433	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1434		1617
…		…
1439	my ($self) = @_;	1622	my ($self) = @_;
1440		1623
1441	$self->reset_at <= $cf::RUNTIME	1624	$self->reset_at <= $cf::RUNTIME
1442	}	1625	}
1443		1626
1444	sub unlink_save {
1445	my ($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	$self->save;
1463	}
1464
1465	sub reset {	1627	sub reset {
1466	my ($self) = @_;	1628	my ($self) = @_;
1467		1629
1468	my $lock = cf::lock_acquire "map_data:" . $self->path;	1630	my $lock = cf::lock_acquire "map_data:$self->{path}";
1469		1631
1470	return if $self->players;	1632	return if $self->players;
1471	return if $self->{path}{user_rel};#d#	1633	return if $self->isa ("ext::map_per_player");#d#
1472		1634
1473	warn "resetting map ", $self->path;#d#	1635	warn "resetting map ", $self->path;#d#
1474		1636
		1637	$self->in_memory (cf::MAP_SWAPPED);
		1638
		1639	# need to save uniques path
		1640	unless ($self->{deny_save}) {
		1641	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1642
		1643	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1644	if $uniq;
		1645	}
		1646
1475	delete $cf::MAP{$self->path};	1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->clear;
1476		1650
1477	$_->clear_links_to ($self) for values %cf::MAP;	1651	$_->clear_links_to ($self) for values %cf::MAP;
1478		1652
1479	$self->unlink_save;	1653	$self->unlink_save;
1480	$self->destroy;	1654	$self->destroy;
…		…
1483	my $nuke_counter = "aaaa";	1657	my $nuke_counter = "aaaa";
1484		1658
1485	sub nuke {	1659	sub nuke {
1486	my ($self) = @_;	1660	my ($self) = @_;
1487		1661
		1662	delete $cf::MAP{$self->path};
		1663
		1664	$self->unlink_save;
		1665
		1666	bless $self, "cf::map";
		1667	delete $self->{deny_reset};
1488	$self->{deny_save} = 1;	1668	$self->{deny_save} = 1;
1489	$self->reset_timeout (1);	1669	$self->reset_timeout (1);
1490	$self->rename ("{nuke}/" . ($nuke_counter++));	1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1671
		1672	$cf::MAP{$self->path} = $self;
		1673
1491	$self->reset; # polite request, might not happen	1674	$self->reset; # polite request, might not happen
1492	}	1675	}
1493		1676
1494	sub customise_for {	1677	=item cf::map::unique_maps
1495	my ($map, $ob) = @_;
1496		1678
1497	if ($map->per_player) {	1679	Returns an arrayref of paths of all shared maps that have
1498	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1680	instantiated unique items. May block.
1499	}
1500		1681
1501	$map	1682	=cut
1502	}
1503		1683
1504	sub emergency_save {	1684	sub unique_maps() {
1505	my $freeze_guard = cf::freeze_mainloop;	1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1686	or return;
1506		1687
1507	warn "enter emergency perl save\n";	1688	my @paths;
1508		1689
1509	cf::sync_job {	1690	for (@$files) {
1510	warn "begin emergency player save\n";	1691	utf8::decode $_;
1511	$_->save for values %cf::PLAYER;	1692	next if /\.pst$/;
1512	warn "end emergency player save\n";	1693	next unless /^$PATH_SEP/o;
1513		1694
1514	warn "begin emergency map save\n";	1695	push @paths, cf::map::normalise $_;
1515	$_->save for values %cf::MAP;
1516	warn "end emergency map save\n";
1517	};	1696	}
1518		1697
1519	warn "leave emergency perl save\n";	1698	\@paths
1520	}	1699	}
1521		1700
1522	package cf;	1701	package cf;
1523		1702
1524	=back	1703	=back
1525		1704
		1705	=head3 cf::object
		1706
		1707	=cut
		1708
		1709	package cf::object;
		1710
		1711	=over 4
		1712
		1713	=item $ob->inv_recursive
		1714
		1715	Returns the inventory of the object _and_ their inventories, recursively.
		1716
		1717	=cut
		1718
		1719	sub inv_recursive_;
		1720	sub inv_recursive_ {
		1721	map { $_, inv_recursive_ $_->inv } @_
		1722	}
		1723
		1724	sub inv_recursive {
		1725	inv_recursive_ inv $_[0]
		1726	}
		1727
		1728	package cf;
		1729
		1730	=back
1526		1731
1527	=head3 cf::object::player	1732	=head3 cf::object::player
1528		1733
1529	=over 4	1734	=over 4
1530		1735
…		…
1570		1775
1571	=item $player_object->enter_link	1776	=item $player_object->enter_link
1572		1777
1573	Freezes the player and moves him/her to a special map (C<{link}>).	1778	Freezes the player and moves him/her to a special map (C<{link}>).
1574		1779
1575	The player should be reaosnably safe there for short amounts of time. You	1780	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.	1781	I<MUST> call C<leave_link> as soon as possible, though.
1577		1782
		1783	Will never block.
		1784
1578	=item $player_object->leave_link ($map, $x, $y)	1785	=item $player_object->leave_link ($map, $x, $y)
1579		1786
1580	Moves the player out of the specila link map onto the given map. If the	1787	Moves the player out of the special C<{link}> map onto the specified
1581	map is not valid (or omitted), the player will be moved back to the	1788	map. If the map is not valid (or omitted), the player will be moved back
1582	location he/she was before the call to C<enter_link>, or, if that fails,	1789	to the location he/she was before the call to C<enter_link>, or, if that
1583	to the emergency map position.	1790	fails, to the emergency map position.
1584		1791
1585	Might block.	1792	Might block.
1586		1793
1587	=cut	1794	=cut
		1795
		1796	sub link_map {
		1797	unless ($LINK_MAP) {
		1798	$LINK_MAP = cf::map::find "{link}"
		1799	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1800	$LINK_MAP->load;
		1801	}
		1802
		1803	$LINK_MAP
		1804	}
1588		1805
1589	sub cf::object::player::enter_link {	1806	sub cf::object::player::enter_link {
1590	my ($self) = @_;	1807	my ($self) = @_;
1591		1808
1592	$self->deactivate_recursive;	1809	$self->deactivate_recursive;
1593		1810
1594	return if $self->map == $LINK_MAP;	1811	return if UNIVERSAL::isa $self->map, "ext::map_link";
1595		1812
1596	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1597	if $self->map;	1814	if $self->map;
1598		1815
1599	$self->enter_map ($LINK_MAP, 20, 20);	1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1600	}	1817	}
1601		1818
1602	sub cf::object::player::leave_link {	1819	sub cf::object::player::leave_link {
1603	my ($self, $map, $x, $y) = @_;	1820	my ($self, $map, $x, $y) = @_;
1604		1821
…		…
1622	# use -1 or undef as default coordinates, not 0, 0	1839	# use -1 or undef as default coordinates, not 0, 0
1623	($x, $y) = ($map->enter_x, $map->enter_y)	1840	($x, $y) = ($map->enter_x, $map->enter_y)
1624	if $x <=0 && $y <= 0;	1841	if $x <=0 && $y <= 0;
1625		1842
1626	$map->load;	1843	$map->load;
		1844	$map->load_diag;
1627		1845
1628	return unless $self->contr->active;	1846	return unless $self->contr->active;
1629	$self->activate_recursive;	1847	$self->activate_recursive;
		1848
		1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1630	$self->enter_map ($map, $x, $y);	1850	$self->enter_map ($map, $x, $y);
1631	}	1851	}
1632		1852
1633	cf::player->attach (	1853	cf::player->attach (
1634	on_logout => sub {	1854	on_logout => sub {
…		…
1647	# try to abort aborted map switching on player login :)	1867	# try to abort aborted map switching on player login :)
1648	# should happen only on crashes	1868	# should happen only on crashes
1649	if ($pl->ob->{_link_pos}) {	1869	if ($pl->ob->{_link_pos}) {
1650	$pl->ob->enter_link;	1870	$pl->ob->enter_link;
1651	(async {	1871	(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,	1872	$pl->ob->reply (undef,
1655	"There was an internal problem at your last logout, "	1873	"There was an internal problem at your last logout, "
1656	. "the server will try to bring you to your intended destination in a second.",	1874	. "the server will try to bring you to your intended destination in a second.",
1657	cf::NDI_RED);	1875	cf::NDI_RED);
		1876	# we need this sleep as the login has a concurrent enter_exit running
		1877	# and this sleep increases chances of the player not ending up in scorn
1658	Coro::Timer::sleep 1;	1878	Coro::Timer::sleep 1;
1659	$pl->ob->leave_link;	1879	$pl->ob->leave_link;
1660	})->prio (2);	1880	})->prio (2);
1661	}	1881	}
1662	},	1882	},
…		…
1670	my ($self, $path, $x, $y) = @_;	1890	my ($self, $path, $x, $y) = @_;
1671		1891
1672	$self->enter_link;	1892	$self->enter_link;
1673		1893
1674	(async {	1894	(async {
1675	$path = new cf::path $path;	1895	my $map = eval {
1676
1677	my $map = cf::map::find $path->as_string;	1896	my $map = cf::map::find $path;
1678	$map = $map->customise_for ($self) if $map;	1897	$map = $map->customise_for ($self) if $map;
1679		1898	$map
1680	# warn "entering ", $map->path, " at ($x, $y)\n"	1899	} 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);	1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1685		1901
1686	$self->leave_link ($map, $x, $y);	1902	$self->leave_link ($map, $x, $y);
1687	})->prio (1);	1903	})->prio (1);
1688	}	1904	}
1689		1905
…		…
1693		1909
1694	sub parse_random_map_params {	1910	sub parse_random_map_params {
1695	my ($spec) = @_;	1911	my ($spec) = @_;
1696		1912
1697	my $rmp = { # defaults	1913	my $rmp = { # defaults
1698	xsize => 10,	1914	xsize => (cf::rndm 15, 40),
1699	ysize => 10,	1915	ysize => (cf::rndm 15, 40),
		1916	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1917	#layout => string,
1700	};	1918	};
1701		1919
1702	for (split /\n/, $spec) {	1920	for (split /\n/, $spec) {
1703	my ($k, $v) = split /\s+/, $_, 2;	1921	my ($k, $v) = split /\s+/, $_, 2;
1704		1922
…		…
1708	$rmp	1926	$rmp
1709	}	1927	}
1710		1928
1711	sub prepare_random_map {	1929	sub prepare_random_map {
1712	my ($exit) = @_;	1930	my ($exit) = @_;
		1931
		1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1713		1933
1714	# all this does is basically replace the /! path by	1934	# all this does is basically replace the /! path by
1715	# a new random map path (?random/...) with a seed	1935	# a new random map path (?random/...) with a seed
1716	# that depends on the exit object	1936	# that depends on the exit object
1717		1937
1718	my $rmp = parse_random_map_params $exit->msg;	1938	my $rmp = parse_random_map_params $exit->msg;
1719		1939
1720	if ($exit->map) {	1940	if ($exit->map) {
1721	$rmp->{region} = $exit->map->region_name;	1941	$rmp->{region} = $exit->region->name;
1722	$rmp->{origin_map} = $exit->map->path;	1942	$rmp->{origin_map} = $exit->map->path;
1723	$rmp->{origin_x} = $exit->x;	1943	$rmp->{origin_x} = $exit->x;
1724	$rmp->{origin_y} = $exit->y;	1944	$rmp->{origin_y} = $exit->y;
1725	}	1945	}
1726		1946
1727	$rmp->{random_seed} ||= $exit->random_seed;	1947	$rmp->{random_seed} ||= $exit->random_seed;
1728		1948
1729	my $data = cf::to_json $rmp;	1949	my $data = cf::to_json $rmp;
1730	my $md5 = Digest::MD5::md5_hex $data;	1950	my $md5 = Digest::MD5::md5_hex $data;
		1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1731		1952
1732	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1733	aio_write $fh, 0, (length $data), $data, 0;	1954	aio_write $fh, 0, (length $data), $data, 0;
		1955	undef $fh;
		1956	aio_rename "$meta~", $meta;
1734		1957
1735	$exit->slaying ("?random/$md5");	1958	$exit->slaying ("?random/$md5");
1736	$exit->msg (undef);	1959	$exit->msg (undef);
1737	}	1960	}
1738	}	1961	}
1739		1962
1740	sub cf::object::player::enter_exit {	1963	sub cf::object::player::enter_exit {
1741	my ($self, $exit) = @_;	1964	my ($self, $exit) = @_;
1742		1965
1743	return unless $self->type == cf::PLAYER;	1966	return unless $self->type == cf::PLAYER;
		1967
		1968	if ($exit->slaying eq "/!") {
		1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1970	# the problem is that $exit might not survive long enough
		1971	# so it needs to be done right now, right here
		1972	cf::sync_job { prepare_random_map $exit };
		1973	}
		1974
		1975	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1976	my $hp = $exit->stats->hp;
		1977	my $sp = $exit->stats->sp;
1744		1978
1745	$self->enter_link;	1979	$self->enter_link;
1746		1980
1747	(async {	1981	(async {
1748	$self->deactivate_recursive; # just to be sure	1982	$self->deactivate_recursive; # just to be sure
1749	unless (eval {	1983	unless (eval {
1750	prepare_random_map $exit	1984	$self->goto ($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		1985
1756	1;	1986	1;
1757	}) {	1987	}) {
1758	$self->message ("Something went wrong deep within the crossfire server. "	1988	$self->message ("Something went wrong deep within the crossfire server. "
1759	. "I'll try to bring you back to the map you were before. "	1989	. "I'll try to bring you back to the map you were before. "
1760	. "Please report this to the dungeon master",	1990	. "Please report this to the dungeon master!",
1761	cf::NDI_UNIQUE | cf::NDI_RED);	1991	cf::NDI_UNIQUE | cf::NDI_RED);
1762		1992
1763	warn "ERROR in enter_exit: $@";	1993	warn "ERROR in enter_exit: $@";
1764	$self->leave_link;	1994	$self->leave_link;
1765	}	1995	}
1766	})->prio (1);	1996	})->prio (1);
…		…
1779		2009
1780	sub cf::client::send_drawinfo {	2010	sub cf::client::send_drawinfo {
1781	my ($self, $text, $flags) = @_;	2011	my ($self, $text, $flags) = @_;
1782		2012
1783	utf8::encode $text;	2013	utf8::encode $text;
1784	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1785	}	2015	}
1786		2016
		2017	=item $client->ext_event ($type, %msg)
		2018
		2019	Sends an exti event to the client.
		2020
		2021	=cut
		2022
		2023	sub cf::client::ext_event($$%) {
		2024	my ($self, $type, %msg) = @_;
		2025
		2026	$msg{msgtype} = "event_$type";
		2027	$self->send_packet ("ext " . cf::to_json \%msg);
		2028	}
1787		2029
1788	=item $success = $client->query ($flags, "text", \&cb)	2030	=item $success = $client->query ($flags, "text", \&cb)
1789		2031
1790	Queues a query to the client, calling the given callback with	2032	Queues a query to the client, calling the given callback with
1791	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2033	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1820	# get handled first	2062	# get handled first
1821	my $queue = delete $ns->{query_queue}	2063	my $queue = delete $ns->{query_queue}
1822	or return; # be conservative, not sure how that can happen, but we saw a crash here	2064	or return; # be conservative, not sure how that can happen, but we saw a crash here
1823		2065
1824	(shift @$queue)->[1]->($msg);	2066	(shift @$queue)->[1]->($msg);
		2067	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825		2068
1826	push @{ $ns->{query_queue} }, @$queue;	2069	push @{ $ns->{query_queue} }, @$queue;
1827		2070
1828	if (@{ $ns->{query_queue} } == @$queue) {	2071	if (@{ $ns->{query_queue} } == @$queue) {
1829	if (@$queue) {	2072	if (@$queue) {
…		…
1887		2130
1888	# here we export the classes and methods available to script code	2131	# here we export the classes and methods available to script code
1889		2132
1890	=pod	2133	=pod
1891		2134
1892	The following fucntions and emthods are available within a safe environment:	2135	The following functions and methods are available within a safe environment:
1893		2136
1894	cf::object contr pay_amount pay_player map	2137	cf::object contr pay_amount pay_player map
1895	cf::object::player player	2138	cf::object::player player
1896	cf::player peaceful	2139	cf::player peaceful
1897	cf::map trigger	2140	cf::map trigger
…		…
1990	The parameter C<$family> should best start with the name of the extension	2233	The parameter C<$family> should best start with the name of the extension
1991	using it, it should be unique.	2234	using it, it should be unique.
1992		2235
1993	=over 4	2236	=over 4
1994		2237
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	2238	=item $value = cf::db_get $family => $key
2002		2239
2003	Returns a single value from the database	2240	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		2241
2010	=item cf::db_put $family => $key => $value	2242	=item cf::db_put $family => $key => $value
2011		2243
2012	Stores the given C<$value> in the family hash. Updates are delayed, if you	2244	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		2245
2023	=cut	2246	=cut
2024		2247
2025	our $DB;	2248	our $DB;
2026		2249
2027	{	2250	sub db_init {
		2251	unless ($DB) {
		2252	$DB = BDB::db_create $DB_ENV;
		2253
		2254	cf::sync_job {
		2255	eval {
		2256	$DB->set_flags (BDB::CHKSUM);
		2257
		2258	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2259	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2260	cf::cleanup "db_open(db): $!" if $!;
		2261	};
		2262	cf::cleanup "db_open(db): $@" if $@;
		2263	};
		2264
2028	my $path = cf::localdir . "/database.pst";	2265	my $path = cf::localdir . "/database.pst";
		2266	if (stat $path) {
		2267	cf::sync_job {
		2268	my $pst = Storable::retrieve $path;
2029		2269
2030	sub db_load() {	2270	cf::db_put (board => data => $pst->{board});
2031	$DB = stat $path ? Storable::retrieve $path : { };	2271	cf::db_put (guildrules => data => $pst->{guildrules});
2032	}	2272	cf::db_put (rent => balance => $pst->{rent}{balance});
		2273	BDB::db_env_txn_checkpoint $DB_ENV;
2033		2274
2034	my $pid;	2275	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	}	2276	};
2044	}	2277	}
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	});	2278	}
		2279	}
2056		2280
2057	sub db_dirty() {
2058	$dirty = 1;
2059	$idle->start;
2060	}
2061
2062	sub db_get($;$) {	2281	sub db_get($$) {
2063	@_ >= 2	2282	my $key = "$_[0]/$_[1]";
2064	? $DB->{$_[0]}{$_[1]}
2065	: ($DB->{$_[0]} ||= { })
2066	}
2067		2283
		2284	cf::sync_job {
		2285	BDB::db_get $DB, undef, $key, my $data;
		2286
		2287	$! ? ()
		2288	: Compress::LZF::sthaw $data
		2289	}
		2290	}
		2291
2068	sub db_put($$;$) {	2292	sub db_put($$$) {
2069	if (@_ >= 3) {	2293	BDB::dbreq_pri 4;
2070	$DB->{$_[0]}{$_[1]} = $_[2];	2294	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2295	}
		2296
		2297	#############################################################################
		2298	# the server's init and main functions
		2299
		2300	sub load_facedata {
		2301	my $path = sprintf "%s/facedata", cf::datadir;
		2302
		2303	warn "loading facedata from $path\n";
		2304
		2305	my $faces;
		2306	0 < aio_load $path, $faces
		2307	or die "$path: $!";
		2308
		2309	Coro::cede;
		2310	$faces = Storable::thaw $faces;
		2311	Coro::cede;
		2312
		2313	my $meta = delete $faces->{""};
		2314	$meta->{version} == 1
		2315	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2316
		2317	while (my ($face, $info) = each %$faces) {
		2318	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2319	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2320	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2321	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2322	Coro::cede;
		2323	}
		2324
		2325	while (my ($face, $info) = each %$faces) {
		2326	next unless $info->{smooth};
		2327	my $idx = cf::face::find $face
		2328	or next;
		2329	if (my $smooth = cf::face::find $info->{smooth}) {
		2330	cf::face::set_smooth $idx, $smooth;
2071	} else {	2331	} else {
2072	$DB->{$_[0]} = $_[1];	2332	warn "smooth face '$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	},	2333	}
2082	);	2334	Coro::cede;
2083	}	2335	}
2084		2336
2085	#############################################################################	2337	1
2086	# the server's main()	2338	}
		2339
		2340	sub reload_resources {
		2341	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2342	or die "unable to load regions file\n";#d#
		2343	load_facedata
		2344	or die "unable to load facedata\n";#d#
		2345	}
		2346
		2347	sub init {
		2348	reload_resources;
		2349	}
2087		2350
2088	sub cfg_load {	2351	sub cfg_load {
2089	open my $fh, "<:utf8", cf::confdir . "/config"	2352	open my $fh, "<:utf8", cf::confdir . "/config"
2090	or return;	2353	or return;
2091		2354
…		…
2108		2371
2109	sub main {	2372	sub main {
2110	# we must not ever block the main coroutine	2373	# we must not ever block the main coroutine
2111	local $Coro::idle = sub {	2374	local $Coro::idle = sub {
2112	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2375	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2376	(async {
2113	async { Event::one_event };	2377	Event::one_event;
		2378	})->prio (Coro::PRIO_MAX);
2114	};	2379	};
2115		2380
2116	cfg_load;	2381	cfg_load;
2117	db_load;	2382	db_init;
2118	load_extensions;	2383	load_extensions;
		2384
		2385	$TICK_WATCHER->start;
2119	Event::loop;	2386	Event::loop;
2120	}	2387	}
2121		2388
2122	#############################################################################	2389	#############################################################################
2123	# initialisation	2390	# initialisation and cleanup
		2391
		2392	# install some emergency cleanup handlers
		2393	BEGIN {
		2394	for my $signal (qw(INT HUP TERM)) {
		2395	Event->signal (
		2396	reentrant => 0,
		2397	data => WF_AUTOCANCEL,
		2398	signal => $signal,
		2399	prio => 0,
		2400	cb => sub {
		2401	cf::cleanup "SIG$signal";
		2402	},
		2403	);
		2404	}
		2405	}
		2406
		2407	sub emergency_save() {
		2408	my $freeze_guard = cf::freeze_mainloop;
		2409
		2410	warn "enter emergency perl save\n";
		2411
		2412	cf::sync_job {
		2413	# use a peculiar iteration method to avoid tripping on perl
		2414	# refcount bugs in for. also avoids problems with players
		2415	# and maps saved/destroyed asynchronously.
		2416	warn "begin emergency player save\n";
		2417	for my $login (keys %cf::PLAYER) {
		2418	my $pl = $cf::PLAYER{$login} or next;
		2419	$pl->valid or next;
		2420	$pl->save;
		2421	}
		2422	warn "end emergency player save\n";
		2423
		2424	warn "begin emergency map save\n";
		2425	for my $path (keys %cf::MAP) {
		2426	my $map = $cf::MAP{$path} or next;
		2427	$map->valid or next;
		2428	$map->save;
		2429	}
		2430	warn "end emergency map save\n";
		2431
		2432	warn "begin emergency database checkpoint\n";
		2433	BDB::db_env_txn_checkpoint $DB_ENV;
		2434	warn "end emergency database checkpoint\n";
		2435	};
		2436
		2437	warn "leave emergency perl save\n";
		2438	}
		2439
		2440	sub post_cleanup {
		2441	my ($make_core) = @_;
		2442
		2443	warn Carp::longmess "post_cleanup backtrace"
		2444	if $make_core;
		2445	}
2124		2446
2125	sub reload() {	2447	sub reload() {
2126	# can/must only be called in main	2448	# can/must only be called in main
2127	if ($Coro::current != $Coro::main) {	2449	if ($Coro::current != $Coro::main) {
2128	warn "can only reload from main coroutine\n";	2450	warn "can only reload from main coroutine";
2129	return;	2451	return;
2130	}	2452	}
2131		2453
2132	warn "reloading...";	2454	warn "reloading...";
2133		2455
2134	my $guard = freeze_mainloop;	2456	warn "entering sync_job";
		2457
		2458	cf::sync_job {
		2459	cf::write_runtime; # external watchdog should not bark
2135	cf::emergency_save;	2460	cf::emergency_save;
		2461	cf::write_runtime; # external watchdog should not bark
2136		2462
2137	eval {	2463	warn "syncing database to disk";
		2464	BDB::db_env_txn_checkpoint $DB_ENV;
		2465
2138	# if anything goes wrong in here, we should simply crash as we already saved	2466	# if anything goes wrong in here, we should simply crash as we already saved
2139		2467
2140	# cancel all watchers	2468	warn "cancelling all WF_AUTOCANCEL watchers";
2141	for (Event::all_watchers) {	2469	for (Event::all_watchers) {
2142	$_->cancel if $_->data & WF_AUTOCANCEL;	2470	$_->cancel if $_->data & WF_AUTOCANCEL;
2143	}	2471	}
2144		2472
		2473	warn "flushing outstanding aio requests";
		2474	for (;;) {
		2475	BDB::flush;
		2476	IO::AIO::flush;
		2477	Coro::cede;
		2478	last unless IO::AIO::nreqs || BDB::nreqs;
		2479	warn "iterate...";
		2480	}
		2481
		2482	++$RELOAD;
		2483
2145	# cancel all extension coros	2484	warn "cancelling all extension coros";
2146	$_->cancel for values %EXT_CORO;	2485	$_->cancel for values %EXT_CORO;
2147	%EXT_CORO = ();	2486	%EXT_CORO = ();
2148		2487
2149	# unload all extensions	2488	warn "removing commands";
2150	for (@exts) {	2489	%COMMAND = ();
		2490
		2491	warn "removing ext commands";
		2492	%EXTCMD = ();
		2493
		2494	warn "unloading/nuking all extensions";
		2495	for my $pkg (@EXTS) {
2151	warn "unloading <$_>";	2496	warn "... unloading $pkg";
2152	unload_extension $_;	2497
		2498	if (my $cb = $pkg->can ("unload")) {
		2499	eval {
		2500	$cb->($pkg);
		2501	1
		2502	} or warn "$pkg unloaded, but with errors: $@";
2153	}	2503	}
2154		2504
		2505	warn "... nuking $pkg";
		2506	Symbol::delete_package $pkg;
		2507	}
		2508
2155	# unload all modules loaded from $LIBDIR	2509	warn "unloading all perl modules loaded from $LIBDIR";
2156	while (my ($k, $v) = each %INC) {	2510	while (my ($k, $v) = each %INC) {
2157	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2511	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2158		2512
2159	warn "removing <$k>";	2513	warn "... unloading $k";
2160	delete $INC{$k};	2514	delete $INC{$k};
2161		2515
2162	$k =~ s/\.pm$//;	2516	$k =~ s/\.pm$//;
2163	$k =~ s/\//::/g;	2517	$k =~ s/\//::/g;
2164		2518
…		…
2167	}	2521	}
2168		2522
2169	Symbol::delete_package $k;	2523	Symbol::delete_package $k;
2170	}	2524	}
2171		2525
2172	# sync database to disk
2173	cf::db_sync;
2174	IO::AIO::flush;
2175
2176	# get rid of safe::, as good as possible	2526	warn "getting rid of safe::, as good as possible";
2177	Symbol::delete_package "safe::$_"	2527	Symbol::delete_package "safe::$_"
2178	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2179		2529
2180	# remove register_script_function callbacks
2181	# TODO
2182
2183	# unload cf.pm "a bit"	2530	warn "unloading cf.pm \"a bit\"";
2184	delete $INC{"cf.pm"};	2531	delete $INC{"cf.pm"};
2185		2532
2186	# don't, removes xs symbols, too,	2533	# don't, removes xs symbols, too,
2187	# and global variables created in xs	2534	# and global variables created in xs
2188	#Symbol::delete_package __PACKAGE__;	2535	#Symbol::delete_package __PACKAGE__;
2189		2536
2190	# reload cf.pm	2537	warn "unload completed, starting to reload now";
		2538
2191	warn "reloading cf.pm";	2539	warn "reloading cf.pm";
2192	require cf;	2540	require cf;
2193	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2541	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2194		2542
2195	# load config and database again	2543	warn "loading config and database again";
2196	cf::cfg_load;	2544	cf::cfg_load;
2197	cf::db_load;
2198		2545
2199	# load extensions
2200	warn "load extensions";	2546	warn "loading extensions";
2201	cf::load_extensions;	2547	cf::load_extensions;
2202		2548
2203	# reattach attachments to objects	2549	warn "reattaching attachments to objects/players";
2204	warn "reattach";	2550	_global_reattach; # objects, sockets
2205	_global_reattach;	2551	warn "reattaching attachments to maps";
2206	reattach $_ for values %MAP;	2552	reattach $_ for values %MAP;
2207	};	2553	warn "reattaching attachments to players";
		2554	reattach $_ for values %PLAYER;
2208		2555
2209	if ($@) {	2556	warn "loading reloadable resources";
		2557	reload_resources;
		2558
		2559	warn "leaving sync_job";
		2560
		2561	1
		2562	} or do {
2210	warn $@;	2563	warn $@;
2211	warn "error while reloading, exiting.";	2564	warn "error while reloading, exiting.";
2212	exit 1;	2565	exit 1;
2213	}	2566	};
2214		2567
2215	warn "reloaded successfully";	2568	warn "reloaded";
2216	};	2569	};
2217		2570
2218	#############################################################################	2571	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} = $LINK_MAP;
2259	}
2260
2261	register "<global>", __PACKAGE__;
2262		2572
2263	register_command "reload" => sub {	2573	register_command "reload" => sub {
2264	my ($who, $arg) = @_;	2574	my ($who, $arg) = @_;
2265		2575
2266	if ($who->flag (FLAG_WIZ)) {	2576	if ($who->flag (FLAG_WIZ)) {
2267	$who->message ("start of reload.");	2577	$who->message ("reloading server.");
		2578
		2579	# doing reload synchronously and two reloads happen back-to-back,
		2580	# coro crashes during coro_state_free->destroy here.
		2581
		2582	$RELOAD_WATCHER ||= Event->timer (
		2583	reentrant => 0,
		2584	after => 0,
		2585	data => WF_AUTOCANCEL,
		2586	cb => sub {
2268	reload;	2587	reload;
2269	$who->message ("end of reload.");	2588	undef $RELOAD_WATCHER;
		2589	},
		2590	);
2270	}	2591	}
2271	};	2592	};
2272		2593
2273	unshift @INC, $LIBDIR;	2594	unshift @INC, $LIBDIR;
		2595
		2596	my $bug_warning = 0;
2274		2597
2275	$TICK_WATCHER = Event->timer (	2598	$TICK_WATCHER = Event->timer (
2276	reentrant => 0,	2599	reentrant => 0,
		2600	parked => 1,
2277	prio => 0,	2601	prio => 0,
2278	at => $NEXT_TICK || $TICK,	2602	at => $NEXT_TICK || $TICK,
2279	data => WF_AUTOCANCEL,	2603	data => WF_AUTOCANCEL,
2280	cb => sub {	2604	cb => sub {
		2605	if ($Coro::current != $Coro::main) {
		2606	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2607	unless ++$bug_warning > 10;
		2608	return;
		2609	}
		2610
		2611	$NOW = Event::time;
		2612
2281	cf::server_tick; # one server iteration	2613	cf::server_tick; # one server iteration
2282	$RUNTIME += $TICK;	2614	$RUNTIME += $TICK;
2283	$NEXT_TICK += $TICK;	2615	$NEXT_TICK += $TICK;
		2616
		2617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2618	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2619	Coro::async_pool {
		2620	write_runtime
		2621	or warn "ERROR: unable to write runtime file: $!";
		2622	};
		2623	}
		2624
		2625	$WAIT_FOR_TICK->broadcast;
		2626	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2627
		2628	# my $AFTER = Event::time;
		2629	# warn $AFTER - $NOW;#d#
2284		2630
2285	# if we are delayed by four ticks or more, skip them all	2631	# if we are delayed by four ticks or more, skip them all
2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2632	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2287		2633
2288	$TICK_WATCHER->at ($NEXT_TICK);	2634	$TICK_WATCHER->at ($NEXT_TICK);
2289	$TICK_WATCHER->start;	2635	$TICK_WATCHER->start;
2290	},	2636	},
2291	);	2637	);
2292		2638
		2639	{
2293	IO::AIO::max_poll_time $TICK * 0.2;	2640	BDB::max_poll_time $TICK * 0.1;
2294		2641	$BDB_POLL_WATCHER = Event->io (
2295	Event->io (	2642	reentrant => 0,
2296	fd => IO::AIO::poll_fileno,	2643	fd => BDB::poll_fileno,
2297	poll => 'r',	2644	poll => 'r',
2298	prio => 5,	2645	prio => 0,
2299	data => WF_AUTOCANCEL,
2300	cb => \&IO::AIO::poll_cb,
2301	);
2302
2303	Event->timer (
2304	data => WF_AUTOCANCEL,	2646	data => WF_AUTOCANCEL,
2305	after => 0,	2647	cb => \&BDB::poll_cb,
2306	interval => 10,	2648	);
2307	cb => sub {	2649	BDB::min_parallel 8;
2308	(Coro::unblock_sub {	2650
2309	write_runtime	2651	BDB::set_sync_prepare {
2310	or warn "ERROR: unable to write runtime file: $!";	2652	my $status;
		2653	my $current = $Coro::current;
		2654	(
		2655	sub {
		2656	$status = $!;
		2657	$current->ready; undef $current;
		2658	},
		2659	sub {
		2660	Coro::schedule while defined $current;
		2661	$! = $status;
		2662	},
		2663	)
		2664	};
		2665
		2666	unless ($DB_ENV) {
		2667	$DB_ENV = BDB::db_env_create;
		2668
		2669	cf::sync_job {
		2670	eval {
		2671	BDB::db_env_open
		2672	$DB_ENV,
		2673	$BDB_ENV_DIR,
		2674	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2675	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2676	0666;
		2677
		2678	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2679
		2680	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2681	$DB_ENV->set_lk_detect;
		2682	};
		2683
		2684	cf::cleanup "db_env_open(db): $@" if $@;
2311	})->();	2685	};
2312	},	2686	}
2313	);	2687	}
		2688
		2689	{
		2690	IO::AIO::min_parallel 8;
		2691
		2692	undef $Coro::AIO::WATCHER;
		2693	IO::AIO::max_poll_time $TICK * 0.1;
		2694	$AIO_POLL_WATCHER = Event->io (
		2695	reentrant => 0,
		2696	data => WF_AUTOCANCEL,
		2697	fd => IO::AIO::poll_fileno,
		2698	poll => 'r',
		2699	prio => 6,
		2700	cb => \&IO::AIO::poll_cb,
		2701	);
		2702	}
2314		2703
2315	END { cf::emergency_save }	2704	END { cf::emergency_save }
2316		2705
2317	1	2706	1
2318		2707

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