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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.146 by root, Sun Jan 7 23:10:43 2007 UTC vs.
Revision 1.228 by root, Mon Mar 26 16:53:33 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 $fh
324	or return;	370	or return;
…		…
330	}	376	}
331		377
332	=back	378	=back
333		379
334	=cut	380	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($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		381
456	#############################################################################	382	#############################################################################
457		383
458	=head2 ATTACHABLE OBJECTS	384	=head2 ATTACHABLE OBJECTS
459		385
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	511	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	512	our @CB_MAP = ();
587		513
588	my %attachment;	514	my %attachment;
589		515
		516	sub cf::attachable::thawer_merge {
		517	# simply override everything except _meta
		518	local $_[0]{_meta};
		519	%{$_[0]} = %{$_[1]};
		520	}
		521
590	sub _attach_cb($$$$) {	522	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	523	my ($registry, $event, $prio, $cb) = @_;
592		524
593	use sort 'stable';	525	use sort 'stable';
594		526
…		…
765	# object support	697	# object support
766		698
767	sub reattach {	699	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	700	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	701	my ($obj) = @_;
		702
		703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		704
771	my $registry = $obj->registry;	705	my $registry = $obj->registry;
772		706
773	@$registry = ();	707	@$registry = ();
774		708
…		…
821	$filename, length $$rdata, scalar @$objs;	755	$filename, length $$rdata, scalar @$objs;
822		756
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	758	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	760	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	761	close $fh;
828		762
829	if (@$objs) {	763	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	765	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	766	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	767	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	769	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	770	aio_rename "$filename.pst~", "$filename.pst";
837	}	771	}
838	} else {	772	} else {
839	aio_unlink "$filename.pst";	773	aio_unlink "$filename.pst";
…		…
906	=cut	840	=cut
907		841
908	sub register_extcmd {	842	sub register_extcmd {
909	my ($name, $cb) = @_;	843	my ($name, $cb) = @_;
910		844
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	845	$EXTCMD{$name} = $cb;
915	}	846	}
916		847
917	cf::player->attach (	848	cf::player->attach (
918	on_command => sub {	849	on_command => sub {
919	my ($pl, $name, $params) = @_;	850	my ($pl, $name, $params) = @_;
…		…
932		863
933	my $msg = eval { from_json $buf };	864	my $msg = eval { from_json $buf };
934		865
935	if (ref $msg) {	866	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	868	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	869	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	870	}
940	}	871	}
941	} else {	872	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		875
945	cf::override;	876	cf::override;
946	},	877	},
947	);	878	);
948		879
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	880	sub load_extension {
956	my ($path) = @_;	881	my ($path) = @_;
957		882
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	884	my $base = $1;
960	my $pkg = $1;	885	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	886	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	887	$pkg = "ext::$pkg";
963		888
964	warn "loading '$path' into '$pkg'\n";	889	warn "... loading '$path' into '$pkg'\n";
965		890
966	open my $fh, "<:utf8", $path	891	open my $fh, "<:utf8", $path
967	or die "$path: $!";	892	or die "$path: $!";
968		893
969	my $source =	894	my $source =
970	"package $pkg; use strict; use utf8;\n"	895	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	896	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	897	. (do { local $/; <$fh> })
973	. "\n};\n1";	898	. "\n};\n1";
974		899
975	eval $source	900	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	901	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	902	: "extension disabled.\n";
978		903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	904	warn $@;
980	$ext_pkg{$base} = $pkg;	905	warn "mandatory extension failed to load, exiting.\n";
981		906	exit 1;
982	# no strict 'refs';	907	}
983	# @{"$pkg\::ISA"} = ext::;	908	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	# }	909	}
998		910
999	# remove commands	911	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	}	912	}
1024		913
1025	sub load_extensions {	914	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	915	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	916	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	920	} or warn "$ext not loaded: $@";
1032	}	921	}
1033	}	922	}
1034		923
1035	#############################################################################	924	#############################################################################
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		925
1073	=head2 CORE EXTENSIONS	926	=head2 CORE EXTENSIONS
1074		927
1075	Functions and methods that extend core crossfire objects.	928	Functions and methods that extend core crossfire objects.
1076		929
1077	=cut	930	=cut
1078		931
1079	package cf::player;	932	package cf::player;
		933
		934	use Coro::AIO;
1080		935
1081	=head3 cf::player	936	=head3 cf::player
1082		937
1083	=over 4	938	=over 4
1084		939
…		…
1110		965
1111	sub exists($) {	966	sub exists($) {
1112	my ($login) = @_;	967	my ($login) = @_;
1113		968
1114	$cf::PLAYER{$login}	969	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	970	or cf::sync_job { !aio_stat path $login }
1116	}	971	}
1117		972
1118	sub find($) {	973	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	974	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	975	my $login = $_[0];
1121		976
1122	my $guard = cf::lock_acquire "user_find:$login";	977	my $guard = cf::lock_acquire "user_find:$login";
1123		978
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	979	$cf::PLAYER{$_[0]} || do {
		980	my $pl = load_pl path $login
		981	or return;
		982	$cf::PLAYER{$login} = $pl
		983	}
1125	};	984	}
1126	}	985	}
1127		986
1128	sub save($) {	987	sub save($) {
1129	my ($pl) = @_;	988	my ($pl) = @_;
1130		989
…		…
1133	my $path = path $pl;	992	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	993	my $guard = cf::lock_acquire "user_save:$path";
1135		994
1136	return if $pl->{deny_save};	995	return if $pl->{deny_save};
1137		996
1138	IO::AIO::aio_mkdir playerdir $pl, 0770;	997	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	998	$pl->{last_save} = $cf::RUNTIME;
1140		999
1141	Coro::cede;
1142	$pl->save_pl ($path);	1000	$pl->save_pl ($path);
1143	Coro::cede;	1001	Coro::cede;
1144	}	1002	}
1145		1003
1146	sub new($) {	1004	sub new($) {
…		…
1154	$cf::PLAYER{$login} = $self;	1012	$cf::PLAYER{$login} = $self;
1155		1013
1156	$self	1014	$self
1157	}	1015	}
1158		1016
		1017	=item $pl->quit_character
		1018
		1019	Nukes the player without looking back. If logged in, the connection will
		1020	be destroyed. May block for a long time.
		1021
		1022	=cut
		1023
1159	sub quit_character {	1024	sub quit_character {
1160	my ($pl) = @_;	1025	my ($pl) = @_;
		1026
		1027	my $name = $pl->ob->name;
1161		1028
1162	$pl->{deny_save} = 1;	1029	$pl->{deny_save} = 1;
1163	$pl->password ("*"); # this should lock out the player until we nuked the dir	1030	$pl->password ("*"); # this should lock out the player until we nuked the dir
1164		1031
1165	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1167	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1168	$pl->ns->destroy if $pl->ns;	1035	$pl->ns->destroy if $pl->ns;
1169		1036
1170	my $path = playerdir $pl;	1037	my $path = playerdir $pl;
1171	my $temp = "$path~$cf::RUNTIME~deleting~";	1038	my $temp = "$path~$cf::RUNTIME~deleting~";
1172	IO::AIO::aio_rename $path, $temp, sub {	1039	aio_rename $path, $temp;
1173	delete $cf::PLAYER{$pl->ob->name};	1040	delete $cf::PLAYER{$pl->ob->name};
1174	$pl->destroy;	1041	$pl->destroy;
1175		1042
		1043	my $prefix = qr<^~\Q$name\E/>;
		1044
		1045	# nuke player maps
		1046	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1047
1176	IO::AIO::aio_rmtree $temp;	1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item $pl->kick
		1052
		1053	Kicks a player out of the game. This destroys the connection.
		1054
		1055	=cut
		1056
		1057	sub kick {
		1058	my ($pl, $kicker) = @_;
		1059
		1060	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1061	$pl->killer ("kicked");
		1062	$pl->ns->destroy;
		1063	}
		1064
		1065	=item cf::player::list_logins
		1066
		1067	Returns am arrayref of all valid playernames in the system, can take a
		1068	while and may block, so not sync_job-capable, ever.
		1069
		1070	=cut
		1071
		1072	sub list_logins {
		1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1074	or return [];
		1075
		1076	my @logins;
		1077
		1078	for my $login (@$dirs) {
		1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1080	aio_read $fh, 0, 512, my $buf, 0 or next;
		1081	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1082
		1083	utf8::decode $login;
		1084	push @logins, $login;
1177	};	1085	}
		1086
		1087	\@logins
		1088	}
		1089
		1090	=item $player->maps
		1091
		1092	Returns an arrayref of map paths that are private for this
		1093	player. May block.
		1094
		1095	=cut
		1096
		1097	sub maps($) {
		1098	my ($pl) = @_;
		1099
		1100	$pl = ref $pl ? $pl->ob->name : $pl;
		1101
		1102	my $files = aio_readdir playerdir $pl
		1103	or return;
		1104
		1105	my @paths;
		1106
		1107	for (@$files) {
		1108	utf8::decode $_;
		1109	next if /\.(?:pl|pst)$/;
		1110	next unless /^$PATH_SEP/o;
		1111
		1112	push @paths, cf::map::normalise "~$pl/$_";
		1113	}
		1114
		1115	\@paths
1178	}	1116	}
1179		1117
1180	=item $player->ext_reply ($msgid, $msgtype, %msg)	1118	=item $player->ext_reply ($msgid, $msgtype, %msg)
1181		1119
1182	Sends an ext reply to the player.	1120	Sends an ext reply to the player.
…		…
1205	package cf::map;	1143	package cf::map;
1206		1144
1207	use Fcntl;	1145	use Fcntl;
1208	use Coro::AIO;	1146	use Coro::AIO;
1209		1147
		1148	use overload
		1149	'""' => \&as_string,
		1150	fallback => 1;
		1151
1210	our $MAX_RESET = 3600;	1152	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1153	our $DEFAULT_RESET = 3000;
1212		1154
1213	sub generate_random_map {	1155	sub generate_random_map {
1214	my ($path, $rmp) = @_;	1156	my ($self, $rmp) = @_;
1215
1216	# mit "rum" bekleckern, nicht	1157	# mit "rum" bekleckern, nicht
1217	cf::map::_create_random_map	1158	$self->_create_random_map (
1218	$path,
1219	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1220	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1221	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1222	$rmp->{exit_on_final_map},	1162	$rmp->{exit_on_final_map},
1223	$rmp->{xsize}, $rmp->{ysize},	1163	$rmp->{xsize}, $rmp->{ysize},
1224	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1225	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1226	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1227	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1167	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1228	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1229	(cf::region::find $rmp->{region})	1169	(cf::region::find $rmp->{region}), $rmp->{custom}
		1170	)
		1171	}
		1172
		1173	=item cf::map->register ($regex, $prio)
		1174
		1175	Register a handler for the map path matching the given regex at the
		1176	givne priority (higher is better, built-in handlers have priority 0, the
		1177	default).
		1178
		1179	=cut
		1180
		1181	sub register {
		1182	my (undef, $regex, $prio) = @_;
		1183	my $pkg = caller;
		1184
		1185	no strict;
		1186	push @{"$pkg\::ISA"}, __PACKAGE__;
		1187
		1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1189	}
		1190
		1191	# also paths starting with '/'
		1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1193
		1194	sub thawer_merge {
		1195	my ($self, $merge) = @_;
		1196
		1197	# we have to keep some variables in memory intact
		1198	local $self->{path};
		1199	local $self->{load_path};
		1200	local $self->{deny_save};
		1201	local $self->{deny_reset};
		1202
		1203	$self->SUPER::thawer_merge ($merge);
		1204	}
		1205
		1206	sub normalise {
		1207	my ($path, $base) = @_;
		1208
		1209	$path = "$path"; # make sure its a string
		1210
		1211	$path =~ s/\.map$//;
		1212
		1213	# map plan:
		1214	#
		1215	# /! non-realised random map exit (special hack!)
		1216	# {... are special paths that are not being touched
		1217	# ?xxx/... are special absolute paths
		1218	# ?random/... random maps
		1219	# /... normal maps
		1220	# ~user/... per-player map of a specific user
		1221
		1222	$path =~ s/$PATH_SEP/\//go;
		1223
		1224	# treat it as relative path if it starts with
		1225	# something that looks reasonable
		1226	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1227	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1228
		1229	$base =~ s{[^/]+/?$}{};
		1230	$path = "$base/$path";
		1231	}
		1232
		1233	for ($path) {
		1234	redo if s{//}{/};
		1235	redo if s{/\.?/}{/};
		1236	redo if s{/[^/]+/\.\./}{/};
		1237	}
		1238
		1239	$path
		1240	}
		1241
		1242	sub new_from_path {
		1243	my (undef, $path, $base) = @_;
		1244
		1245	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1246
		1247	$path = normalise $path, $base;
		1248
		1249	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1250	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1251	my $self = bless cf::map::new, $pkg;
		1252	$self->{path} = $path; $self->path ($path);
		1253	$self->init; # pass $1 etc.
		1254	return $self;
		1255	}
		1256	}
		1257
		1258	Carp::carp "unable to resolve path '$path' (base '$base').";
		1259	()
		1260	}
		1261
		1262	sub init {
		1263	my ($self) = @_;
		1264
		1265	$self
		1266	}
		1267
		1268	sub as_string {
		1269	my ($self) = @_;
		1270
		1271	"$self->{path}"
		1272	}
		1273
		1274	# the displayed name, this is a one way mapping
		1275	sub visible_name {
		1276	&as_string
		1277	}
		1278
		1279	# the original (read-only) location
		1280	sub load_path {
		1281	my ($self) = @_;
		1282
		1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1284	}
		1285
		1286	# the temporary/swap location
		1287	sub save_path {
		1288	my ($self) = @_;
		1289
		1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1292	}
		1293
		1294	# the unique path, undef == no special unique path
		1295	sub uniq_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1230	}	1300	}
1231		1301
1232	# and all this just because we cannot iterate over	1302	# and all this just because we cannot iterate over
1233	# all maps in C++...	1303	# all maps in C++...
1234	sub change_all_map_light {	1304	sub change_all_map_light {
…		…
1236		1306
1237	$_->change_map_light ($change)	1307	$_->change_map_light ($change)
1238	for grep $_->outdoor, values %cf::MAP;	1308	for grep $_->outdoor, values %cf::MAP;
1239	}	1309	}
1240		1310
		1311	sub unlink_save {
		1312	my ($self) = @_;
		1313
		1314	utf8::encode (my $save = $self->save_path);
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1317	}
		1318
1241	sub try_load_header($) {	1319	sub load_header_from($) {
1242	my ($path) = @_;	1320	my ($self, $path) = @_;
1243		1321
1244	utf8::encode $path;	1322	utf8::encode $path;
1245	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1246	or return;	1327	or return;
1247		1328
1248	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1249	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1250		1375
1251	# for better error messages only, will be overwritten	1376	1
1252	$map->path ($path);
1253
1254	$map->load_header ($path)
1255	or return;
1256
1257	$map->{load_path} = $path;
1258
1259	$map
1260	}	1377	}
1261		1378
1262	sub find;	1379	sub find;
1263	sub find {	1380	sub find {
1264	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1265		1382
1266	#warn "find<$path,$origin>\n";#d#
1267
1268	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1269	my $key = $path->as_string;
1270		1384
1271	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1272		1386
1273	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1274	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1275		1389	my $map = new_from_path cf::map $path
1276	# do it the slow way
1277	my $map = try_load_header $path->save_path;
1278
1279	Coro::cede;
1280
1281	if ($map) {
1282	$map->last_access ((delete $map->{last_access})
1283	|| $cf::RUNTIME); #d#
1284	# safety
1285	$map->{instantiate_time} = $cf::RUNTIME
1286	if $map->{instantiate_time} > $cf::RUNTIME;
1287	} else {
1288	if (my $rmp = $path->random_map_params) {
1289	$map = generate_random_map $key, $rmp;
1290	} else {
1291	$map = try_load_header $path->load_path;
1292	}
1293
1294	$map or return;	1390	or return;
1295		1391
1296	$map->{load_original} = 1;
1297	$map->{instantiate_time} = $cf::RUNTIME;
1298	$map->last_access ($cf::RUNTIME);
1299	$map->instantiate;
1300
1301	# per-player maps become, after loading, normal maps
1302	$map->per_player (0) if $path->{user_rel};
1303	}
1304
1305	$map->path ($key);
1306	$map->{path} = $path;
1307	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1308		1393
1309	Coro::cede;	1394	$map->load_header
		1395	or return;
1310		1396
1311	if ($map->should_reset) {	1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1312	$map->reset;	1400	$map->reset;
1313	undef $guard;	1401	undef $guard;
1314	$map = find $path	1402	return find $path;
1315	or return;
1316	}	1403	}
1317		1404
1318	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1319	}	1406	}
1320	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1321		1411
1322	sub load {	1412	sub load {
1323	my ($self) = @_;	1413	my ($self) = @_;
1324		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1325	my $path = $self->{path};	1417	my $path = $self->{path};
1326	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1327		1419
1328	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1329		1421
1330	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1331		1423
1332	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1333	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1334	or return;	1429	or return;
1335		1430
1336	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1337	if delete $self->{load_original};	1432	if delete $self->{load_original};
1338		1433
1339	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1340	utf8::encode $uniq;	1435	utf8::encode $uniq;
1341	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1342	$self->clear_unique_items;	1437	$self->clear_unique_items;
1343	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1344	}	1439	}
1345	}	1440	}
1346		1441
1347	Coro::cede;	1442	Coro::cede;
1348		1443
1349	# now do the right thing for maps	1444	# now do the right thing for maps
1350	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1351		1446
1352	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1353	$self->{deny_save} = 1;	1448	$self->decay_objects;
1354	$self->{deny_reset} = 1;
1355	} else {
1356	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1357	$self->decay_objects;
1358	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1359	$self->set_darkness_map;	1452	$self->set_darkness_map;
1360	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1361	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1362	$self->activate;	1456	$self->activate;
1363	}	1457	}
1364		1458
1365	Coro::cede;	1459	$self->post_load;
1366		1460
1367	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
		1462	}
		1463
		1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
		1471	}
		1472
		1473	# find and load all maps in the 3x3 area around a map
		1474	sub load_diag {
		1475	my ($map) = @_;
		1476
		1477	my @diag; # diagonal neighbours
		1478
		1479	for (0 .. 3) {
		1480	my $neigh = $map->tile_path ($_)
		1481	or next;
		1482	$neigh = find $neigh, $map
		1483	or next;
		1484	$neigh->load;
		1485
		1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1488	}
		1489
		1490	for (@diag) {
		1491	my $neigh = find @$_
		1492	or next;
		1493	$neigh->load;
		1494	}
1368	}	1495	}
1369		1496
1370	sub find_sync {	1497	sub find_sync {
1371	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1372		1499
1373	cf::sync_job { cf::map::find $path, $origin }	1500	cf::sync_job { find $path, $origin }
1374	}	1501	}
1375		1502
1376	sub do_load_sync {	1503	sub do_load_sync {
1377	my ($map) = @_;	1504	my ($map) = @_;
1378		1505
1379	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1380	}	1507	}
1381		1508
		1509	our %MAP_PREFETCH;
		1510	our $MAP_PREFETCHER = undef;
		1511
		1512	sub find_async {
		1513	my ($path, $origin) = @_;
		1514
		1515	$path = normalise $path, $origin && $origin->{path};
		1516
		1517	if (my $map = $cf::MAP{$path}) {
		1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1519	}
		1520
		1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
		1527	$map->load;
		1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
		1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
		1537	}
		1538
1382	sub save {	1539	sub save {
1383	my ($self) = @_;	1540	my ($self) = @_;
1384		1541
1385	my $lock = cf::lock_acquire "map_data:" . $self->path;	1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1386		1543
1387	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1388		1545
1389	return unless $self->dirty;	1546	return unless $self->dirty;
1390		1547
1391	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1392	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1393		1550
1394	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1395		1552
1396	return if $self->{deny_save};	1553	return if $self->{deny_save};
1397		1554
…		…
1400	cf::async {	1557	cf::async {
1401	$_->contr->save for $self->players;	1558	$_->contr->save for $self->players;
1402	};	1559	};
1403		1560
1404	if ($uniq) {	1561	if ($uniq) {
1405	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1406	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1407	} else {	1564	} else {
1408	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1409	}	1566	}
1410	}	1567	}
1411		1568
1412	sub swap_out {	1569	sub swap_out {
1413	my ($self) = @_;	1570	my ($self) = @_;
…		…
1427		1584
1428	sub reset_at {	1585	sub reset_at {
1429	my ($self) = @_;	1586	my ($self) = @_;
1430		1587
1431	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1432	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1433	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1434		1591
1435	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1436	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1437		1594
…		…
1442	my ($self) = @_;	1599	my ($self) = @_;
1443		1600
1444	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1445	}	1602	}
1446		1603
1447	sub unlink_save {
1448	my ($self) = @_;
1449
1450	utf8::encode (my $save = $self->{path}->save_path);
1451	aioreq_pri 3; IO::AIO::aio_unlink $save;
1452	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1453	}
1454
1455	sub rename {
1456	my ($self, $new_path) = @_;
1457
1458	$self->unlink_save;
1459
1460	delete $cf::MAP{$self->path};
1461	$self->{path} = new cf::path $new_path;
1462	$self->path ($self->{path}->as_string);
1463	$cf::MAP{$self->path} = $self;
1464
1465	$self->save;
1466	}
1467
1468	sub reset {	1604	sub reset {
1469	my ($self) = @_;	1605	my ($self) = @_;
1470		1606
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1472		1608
1473	return if $self->players;	1609	return if $self->players;
1474	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1475		1611
1476	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1477		1613
		1614	$self->in_memory (cf::MAP_SWAPPED);
		1615
		1616	# need to save uniques path
		1617	unless ($self->{deny_save}) {
		1618	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1619
		1620	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1621	if $uniq;
		1622	}
		1623
1478	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1479		1627
1480	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1481		1629
1482	$self->unlink_save;	1630	$self->unlink_save;
1483	$self->destroy;	1631	$self->destroy;
…		…
1486	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1487		1635
1488	sub nuke {	1636	sub nuke {
1489	my ($self) = @_;	1637	my ($self) = @_;
1490		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1491	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1492	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1493	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1494	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1495	}	1652	}
1496		1653
1497	sub customise_for {	1654	=item cf::map::unique_maps
1498	my ($map, $ob) = @_;
1499		1655
1500	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1501	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1502	}
1503		1658
1504	$map	1659	=cut
1505	}
1506		1660
1507	sub emergency_save {	1661	sub unique_maps() {
1508	my $freeze_guard = cf::freeze_mainloop;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1509		1664
1510	warn "enter emergency perl save\n";	1665	my @paths;
1511		1666
1512	cf::sync_job {	1667	for (@$files) {
1513	warn "begin emergency player save\n";	1668	utf8::decode $_;
1514	$_->save for values %cf::PLAYER;	1669	next if /\.pst$/;
1515	warn "end emergency player save\n";	1670	next unless /^$PATH_SEP/o;
1516		1671
1517	warn "begin emergency map save\n";	1672	push @paths, cf::map::normalise $_;
1518	$_->save for values %cf::MAP;
1519	warn "end emergency map save\n";
1520	};	1673	}
1521		1674
1522	warn "leave emergency perl save\n";	1675	\@paths
1523	}	1676	}
1524		1677
1525	package cf;	1678	package cf;
1526		1679
1527	=back	1680	=back
1528		1681
		1682	=head3 cf::object
		1683
		1684	=cut
		1685
		1686	package cf::object;
		1687
		1688	=over 4
		1689
		1690	=item $ob->inv_recursive
		1691
		1692	Returns the inventory of the object _and_ their inventories, recursively.
		1693
		1694	=cut
		1695
		1696	sub inv_recursive_;
		1697	sub inv_recursive_ {
		1698	map { $_, inv_recursive_ $_->inv } @_
		1699	}
		1700
		1701	sub inv_recursive {
		1702	inv_recursive_ inv $_[0]
		1703	}
		1704
		1705	package cf;
		1706
		1707	=back
1529		1708
1530	=head3 cf::object::player	1709	=head3 cf::object::player
1531		1710
1532	=over 4	1711	=over 4
1533		1712
…		…
1573		1752
1574	=item $player_object->enter_link	1753	=item $player_object->enter_link
1575		1754
1576	Freezes the player and moves him/her to a special map (C<{link}>).	1755	Freezes the player and moves him/her to a special map (C<{link}>).
1577		1756
1578	The player should be reaosnably safe there for short amounts of time. You	1757	The player should be reasonably safe there for short amounts of time. You
1579	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1580		1759
		1760	Will never block.
		1761
1581	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1582		1763
1583	Moves the player out of the specila link map onto the given map. If the	1764	Moves the player out of the special C<{link}> map onto the specified
1584	map is not valid (or omitted), the player will be moved back to the	1765	map. If the map is not valid (or omitted), the player will be moved back
1585	location he/she was before the call to C<enter_link>, or, if that fails,	1766	to the location he/she was before the call to C<enter_link>, or, if that
1586	to the emergency map position.	1767	fails, to the emergency map position.
1587		1768
1588	Might block.	1769	Might block.
1589		1770
1590	=cut	1771	=cut
		1772
		1773	sub link_map {
		1774	unless ($LINK_MAP) {
		1775	$LINK_MAP = cf::map::find "{link}"
		1776	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1777	$LINK_MAP->load;
		1778	}
		1779
		1780	$LINK_MAP
		1781	}
1591		1782
1592	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1593	my ($self) = @_;	1784	my ($self) = @_;
1594		1785
1595	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1596		1787
1597	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1598		1789
1599	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1600	if $self->map;	1791	if $self->map;
1601		1792
1602	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1603	}	1794	}
1604		1795
1605	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1606	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1607		1798
…		…
1625	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1626	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1627	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1628		1819
1629	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1630		1822
1631	return unless $self->contr->active;	1823	return unless $self->contr->active;
1632	$self->activate_recursive;	1824	$self->activate_recursive;
		1825
		1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1633	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1634	}	1828	}
1635		1829
1636	cf::player->attach (	1830	cf::player->attach (
1637	on_logout => sub {	1831	on_logout => sub {
…		…
1650	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1651	# should happen only on crashes	1845	# should happen only on crashes
1652	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1653	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1654	(async {	1848	(async {
1655	# we need this sleep as the login has a concurrent enter_exit running
1656	# and this sleep increases chances of the player not ending up in scorn
1657	$pl->ob->reply (undef,	1849	$pl->ob->reply (undef,
1658	"There was an internal problem at your last logout, "	1850	"There was an internal problem at your last logout, "
1659	. "the server will try to bring you to your intended destination in a second.",	1851	. "the server will try to bring you to your intended destination in a second.",
1660	cf::NDI_RED);	1852	cf::NDI_RED);
		1853	# we need this sleep as the login has a concurrent enter_exit running
		1854	# and this sleep increases chances of the player not ending up in scorn
1661	Coro::Timer::sleep 1;	1855	Coro::Timer::sleep 1;
1662	$pl->ob->leave_link;	1856	$pl->ob->leave_link;
1663	})->prio (2);	1857	})->prio (2);
1664	}	1858	}
1665	},	1859	},
…		…
1673	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1674		1868
1675	$self->enter_link;	1869	$self->enter_link;
1676		1870
1677	(async {	1871	(async {
1678	$path = new cf::path $path;	1872	my $map = eval {
1679
1680	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1681	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1682		1875	$map
1683	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1684	# if $map;
1685
1686	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1687		1878
1688	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1689	})->prio (1);	1880	})->prio (1);
1690	}	1881	}
1691		1882
…		…
1695		1886
1696	sub parse_random_map_params {	1887	sub parse_random_map_params {
1697	my ($spec) = @_;	1888	my ($spec) = @_;
1698		1889
1699	my $rmp = { # defaults	1890	my $rmp = { # defaults
1700	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1701	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1702	};	1895	};
1703		1896
1704	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1705	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1706		1899
…		…
1710	$rmp	1903	$rmp
1711	}	1904	}
1712		1905
1713	sub prepare_random_map {	1906	sub prepare_random_map {
1714	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1715		1910
1716	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1717	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1718	# that depends on the exit object	1913	# that depends on the exit object
1719		1914
1720	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1721		1916
1722	if ($exit->map) {	1917	if ($exit->map) {
1723	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1724	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1725	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1726	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1727	}	1922	}
1728		1923
1729	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1730		1925
1731	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1732	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1733		1929
1734	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1735	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1736		1934
1737	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1738	$exit->msg (undef);	1936	$exit->msg (undef);
1739	}	1937	}
1740	}	1938	}
1741		1939
1742	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1743	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1744		1942
1745	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
1746		1953
1747	$self->enter_link;	1954	$self->enter_link;
1748		1955
1749	(async {	1956	(async {
1750	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1751	unless (eval {	1958	unless (eval {
1752	prepare_random_map $exit	1959	$self->goto ($slaying, $hp, $sp);
1753	if $exit->slaying eq "/!";
1754
1755	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1756	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1757		1960
1758	1;	1961	1;
1759	}) {	1962	}) {
1760	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1761	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
1762	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1763	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1764		1967
1765	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1766	$self->leave_link;	1969	$self->leave_link;
1767	}	1970	}
…		…
1781		1984
1782	sub cf::client::send_drawinfo {	1985	sub cf::client::send_drawinfo {
1783	my ($self, $text, $flags) = @_;	1986	my ($self, $text, $flags) = @_;
1784		1987
1785	utf8::encode $text;	1988	utf8::encode $text;
1786	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1787	}	1990	}
1788		1991
1789		1992
1790	=item $success = $client->query ($flags, "text", \&cb)	1993	=item $success = $client->query ($flags, "text", \&cb)
1791		1994
…		…
1822	# get handled first	2025	# get handled first
1823	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1824	or return; # be conservative, not sure how that can happen, but we saw a crash here	2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1825		2028
1826	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1827		2031
1828	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1829		2033
1830	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1831	if (@$queue) {	2035	if (@$queue) {
…		…
1889		2093
1890	# here we export the classes and methods available to script code	2094	# here we export the classes and methods available to script code
1891		2095
1892	=pod	2096	=pod
1893		2097
1894	The following fucntions and emthods are available within a safe environment:	2098	The following functions and methods are available within a safe environment:
1895		2099
1896	cf::object contr pay_amount pay_player map	2100	cf::object contr pay_amount pay_player map
1897	cf::object::player player	2101	cf::object::player player
1898	cf::player peaceful	2102	cf::player peaceful
1899	cf::map trigger	2103	cf::map trigger
…		…
1992	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
1993	using it, it should be unique.	2197	using it, it should be unique.
1994		2198
1995	=over 4	2199	=over 4
1996		2200
1997	=item $hashref = cf::db_get $family
1998
1999	Return a hashref for use by the extension C<$family>, which can be
2000	modified. After modifications, you have to call C<cf::db_dirty> or
2001	C<cf::db_sync>.
2002
2003	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
2004		2202
2005	Returns a single value from the database	2203	Returns a single value from the database.
2006
2007	=item cf::db_put $family => $hashref
2008
2009	Stores the given family hashref into the database. Updates are delayed, if
2010	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2011		2204
2012	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
2013		2206
2014	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
2015	want the data to be synced to disk immediately, use C<cf::db_sync>.
2016
2017	=item cf::db_dirty
2018
2019	Marks the database as dirty, to be updated at a later time.
2020
2021	=item cf::db_sync
2022
2023	Immediately write the database to disk I<if it is dirty>.
2024		2208
2025	=cut	2209	=cut
2026		2210
2027	our $DB;	2211	our $DB;
2028		2212
2029	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
2030	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
2031		2232
2032	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
2033	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
2034	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
2035		2237
2036	my $pid;	2238	unlink $path;
2037
2038	sub db_save() {
2039	waitpid $pid, 0 if $pid;
2040	if (0 == ($pid = fork)) {
2041	$DB->{_meta}{version} = 1;
2042	Storable::nstore $DB, "$path~";
2043	rename "$path~", $path;
2044	cf::_exit 0 if defined $pid;
2045	}	2239	};
2046	}	2240	}
2047
2048	my $dirty;
2049
2050	sub db_sync() {
2051	db_save if $dirty;
2052	undef $dirty;
2053	}
2054
2055	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2056	db_sync;
2057	});	2241	}
		2242	}
2058		2243
2059	sub db_dirty() {
2060	$dirty = 1;
2061	$idle->start;
2062	}
2063
2064	sub db_get($;$) {	2244	sub db_get($$) {
2065	@_ >= 2	2245	my $key = "$_[0]/$_[1]";
2066	? $DB->{$_[0]}{$_[1]}
2067	: ($DB->{$_[0]} ||= { })
2068	}
2069		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
2070	sub db_put($$;$) {	2255	sub db_put($$$) {
2071	if (@_ >= 3) {	2256	BDB::dbreq_pri 4;
2072	$DB->{$_[0]}{$_[1]} = $_[2];	2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2258	}
		2259
		2260	#############################################################################
		2261	# the server's init and main functions
		2262
		2263	sub load_faces {
		2264	my $path = sprintf "%s/faces", cf::datadir;
		2265
		2266	warn "loading faces from $path\n";
		2267
		2268	my $faces;
		2269	0 < aio_load $path, $faces
		2270	or die "$path: $!";
		2271
		2272	Coro::cede;
		2273	$faces = Storable::thaw $faces;
		2274	Coro::cede;
		2275
		2276	my $meta = delete $faces->{""};
		2277	$meta->{version} == 1
		2278	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2279
		2280	while (my ($face, $info) = each %$faces) {
		2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2284	Coro::cede;
		2285	}
		2286
		2287	while (my ($face, $info) = each %$faces) {
		2288	next unless $info->{smooth};
		2289	my $idx = cf::face::find $face
		2290	or next;
		2291	if (my $smooth = cf::face::find $info->{smooth}) {
		2292	cf::face::set_smooth $idx, $smooth;
2073	} else {	2293	} else {
2074	$DB->{$_[0]} = $_[1];	2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
2075	}
2076	db_dirty;
2077	}
2078
2079	cf::global->attach (
2080	prio => 10000,
2081	on_cleanup => sub {
2082	db_sync;
2083	},	2295	}
2084	);	2296	Coro::cede;
2085	}	2297	}
2086		2298
2087	#############################################################################	2299	1
2088	# the server's main()	2300	}
		2301
		2302	sub reload_resources {
		2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2304	or die "unable to load regions file\n";#d#
		2305	load_faces
		2306	or die "unable to load faces\n";#d#
		2307	}
		2308
		2309	sub init {
		2310	reload_resources;
		2311	}
2089		2312
2090	sub cfg_load {	2313	sub cfg_load {
2091	open my $fh, "<:utf8", cf::confdir . "/config"	2314	open my $fh, "<:utf8", cf::confdir . "/config"
2092	or return;	2315	or return;
2093		2316
…		…
2099	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2100	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2101		2324
2102	if (exists $CFG{mlockall}) {	2325	if (exists $CFG{mlockall}) {
2103	eval {	2326	eval {
2104	$CFG{mlockall} ? &mlockall : &munlockall	2327	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2105	and die "WARNING: m(un)lockall failed: $!\n";	2328	and die "WARNING: m(un)lockall failed: $!\n";
2106	};	2329	};
2107	warn $@ if $@;	2330	warn $@ if $@;
2108	}	2331	}
2109	}	2332	}
2110		2333
2111	sub main {	2334	sub main {
2112	# we must not ever block the main coroutine	2335	# we must not ever block the main coroutine
2113	local $Coro::idle = sub {	2336	local $Coro::idle = sub {
2114	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2338	(async {
2115	async { Event::one_event };	2339	Event::one_event;
		2340	})->prio (Coro::PRIO_MAX);
2116	};	2341	};
2117		2342
2118	cfg_load;	2343	cfg_load;
2119	db_load;	2344	db_init;
2120	load_extensions;	2345	load_extensions;
		2346
		2347	$TICK_WATCHER->start;
2121	Event::loop;	2348	Event::loop;
2122	}	2349	}
2123		2350
2124	#############################################################################	2351	#############################################################################
2125	# initialisation	2352	# initialisation and cleanup
		2353
		2354	# install some emergency cleanup handlers
		2355	BEGIN {
		2356	for my $signal (qw(INT HUP TERM)) {
		2357	Event->signal (
		2358	reentrant => 0,
		2359	data => WF_AUTOCANCEL,
		2360	signal => $signal,
		2361	prio => 0,
		2362	cb => sub {
		2363	cf::cleanup "SIG$signal";
		2364	},
		2365	);
		2366	}
		2367	}
		2368
		2369	sub emergency_save() {
		2370	my $freeze_guard = cf::freeze_mainloop;
		2371
		2372	warn "enter emergency perl save\n";
		2373
		2374	cf::sync_job {
		2375	# use a peculiar iteration method to avoid tripping on perl
		2376	# refcount bugs in for. also avoids problems with players
		2377	# and maps saved/destroyed asynchronously.
		2378	warn "begin emergency player save\n";
		2379	for my $login (keys %cf::PLAYER) {
		2380	my $pl = $cf::PLAYER{$login} or next;
		2381	$pl->valid or next;
		2382	$pl->save;
		2383	}
		2384	warn "end emergency player save\n";
		2385
		2386	warn "begin emergency map save\n";
		2387	for my $path (keys %cf::MAP) {
		2388	my $map = $cf::MAP{$path} or next;
		2389	$map->valid or next;
		2390	$map->save;
		2391	}
		2392	warn "end emergency map save\n";
		2393
		2394	warn "begin emergency database checkpoint\n";
		2395	BDB::db_env_txn_checkpoint $DB_ENV;
		2396	warn "end emergency database checkpoint\n";
		2397	};
		2398
		2399	warn "leave emergency perl save\n";
		2400	}
		2401
		2402	sub post_cleanup {
		2403	my ($make_core) = @_;
		2404
		2405	warn Carp::longmess "post_cleanup backtrace"
		2406	if $make_core;
		2407	}
2126		2408
2127	sub reload() {	2409	sub reload() {
2128	# can/must only be called in main	2410	# can/must only be called in main
2129	if ($Coro::current != $Coro::main) {	2411	if ($Coro::current != $Coro::main) {
2130	warn "can only reload from main coroutine\n";	2412	warn "can only reload from main coroutine";
2131	return;	2413	return;
2132	}	2414	}
2133		2415
2134	warn "reloading...";	2416	warn "reloading...";
2135		2417
2136	my $guard = freeze_mainloop;	2418	warn "entering sync_job";
		2419
		2420	cf::sync_job {
		2421	cf::write_runtime; # external watchdog should not bark
2137	cf::emergency_save;	2422	cf::emergency_save;
		2423	cf::write_runtime; # external watchdog should not bark
2138		2424
2139	eval {	2425	warn "syncing database to disk";
		2426	BDB::db_env_txn_checkpoint $DB_ENV;
		2427
2140	# if anything goes wrong in here, we should simply crash as we already saved	2428	# if anything goes wrong in here, we should simply crash as we already saved
2141		2429
2142	# cancel all watchers	2430	warn "cancelling all WF_AUTOCANCEL watchers";
2143	for (Event::all_watchers) {	2431	for (Event::all_watchers) {
2144	$_->cancel if $_->data & WF_AUTOCANCEL;	2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2145	}	2433	}
2146		2434
		2435	warn "flushing outstanding aio requests";
		2436	for (;;) {
		2437	BDB::flush;
		2438	IO::AIO::flush;
		2439	Coro::cede;
		2440	last unless IO::AIO::nreqs || BDB::nreqs;
		2441	warn "iterate...";
		2442	}
		2443
		2444	++$RELOAD;
		2445
2147	# cancel all extension coros	2446	warn "cancelling all extension coros";
2148	$_->cancel for values %EXT_CORO;	2447	$_->cancel for values %EXT_CORO;
2149	%EXT_CORO = ();	2448	%EXT_CORO = ();
2150		2449
2151	# unload all extensions	2450	warn "removing commands";
2152	for (@exts) {	2451	%COMMAND = ();
		2452
		2453	warn "removing ext commands";
		2454	%EXTCMD = ();
		2455
		2456	warn "unloading/nuking all extensions";
		2457	for my $pkg (@EXTS) {
2153	warn "unloading <$_>";	2458	warn "... unloading $pkg";
2154	unload_extension $_;	2459
		2460	if (my $cb = $pkg->can ("unload")) {
		2461	eval {
		2462	$cb->($pkg);
		2463	1
		2464	} or warn "$pkg unloaded, but with errors: $@";
2155	}	2465	}
2156		2466
		2467	warn "... nuking $pkg";
		2468	Symbol::delete_package $pkg;
		2469	}
		2470
2157	# unload all modules loaded from $LIBDIR	2471	warn "unloading all perl modules loaded from $LIBDIR";
2158	while (my ($k, $v) = each %INC) {	2472	while (my ($k, $v) = each %INC) {
2159	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2160		2474
2161	warn "removing <$k>";	2475	warn "... unloading $k";
2162	delete $INC{$k};	2476	delete $INC{$k};
2163		2477
2164	$k =~ s/\.pm$//;	2478	$k =~ s/\.pm$//;
2165	$k =~ s/\//::/g;	2479	$k =~ s/\//::/g;
2166		2480
…		…
2169	}	2483	}
2170		2484
2171	Symbol::delete_package $k;	2485	Symbol::delete_package $k;
2172	}	2486	}
2173		2487
2174	# sync database to disk
2175	cf::db_sync;
2176	IO::AIO::flush;
2177
2178	# get rid of safe::, as good as possible	2488	warn "getting rid of safe::, as good as possible";
2179	Symbol::delete_package "safe::$_"	2489	Symbol::delete_package "safe::$_"
2180	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2181		2491
2182	# remove register_script_function callbacks
2183	# TODO
2184
2185	# unload cf.pm "a bit"	2492	warn "unloading cf.pm \"a bit\"";
2186	delete $INC{"cf.pm"};	2493	delete $INC{"cf.pm"};
2187		2494
2188	# don't, removes xs symbols, too,	2495	# don't, removes xs symbols, too,
2189	# and global variables created in xs	2496	# and global variables created in xs
2190	#Symbol::delete_package __PACKAGE__;	2497	#Symbol::delete_package __PACKAGE__;
2191		2498
2192	# reload cf.pm	2499	warn "unload completed, starting to reload now";
		2500
2193	warn "reloading cf.pm";	2501	warn "reloading cf.pm";
2194	require cf;	2502	require cf;
2195	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2196		2504
2197	# load config and database again	2505	warn "loading config and database again";
2198	cf::cfg_load;	2506	cf::cfg_load;
2199	cf::db_load;
2200		2507
2201	# load extensions
2202	warn "load extensions";	2508	warn "loading extensions";
2203	cf::load_extensions;	2509	cf::load_extensions;
2204		2510
2205	# reattach attachments to objects	2511	warn "reattaching attachments to objects/players";
2206	warn "reattach";	2512	_global_reattach; # objects, sockets
2207	_global_reattach;	2513	warn "reattaching attachments to maps";
2208	reattach $_ for values %MAP;	2514	reattach $_ for values %MAP;
2209	};	2515	warn "reattaching attachments to players";
		2516	reattach $_ for values %PLAYER;
2210		2517
2211	if ($@) {	2518	warn "loading reloadable resources";
		2519	reload_resources;
		2520
		2521	warn "leaving sync_job";
		2522
		2523	1
		2524	} or do {
2212	warn $@;	2525	warn $@;
2213	warn "error while reloading, exiting.";	2526	warn "error while reloading, exiting.";
2214	exit 1;	2527	exit 1;
2215	}	2528	};
2216		2529
2217	warn "reloaded successfully";	2530	warn "reloaded";
2218	};	2531	};
2219		2532
2220	#############################################################################	2533	our $RELOAD_WATCHER; # used only during reload
2221
2222	unless ($LINK_MAP) {
2223	$LINK_MAP = cf::map::new;
2224
2225	$LINK_MAP->width (41);
2226	$LINK_MAP->height (41);
2227	$LINK_MAP->alloc;
2228	$LINK_MAP->path ("{link}");
2229	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2230	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2231
2232	# dirty hack because... archetypes are not yet loaded
2233	Event->timer (
2234	after => 10,
2235	cb => sub {
2236	$_[0]->w->cancel;
2237
2238	# provide some exits "home"
2239	my $exit = cf::object::new "exit";
2240
2241	$exit->slaying ($EMERGENCY_POSITION->[0]);
2242	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2243	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2244
2245	$LINK_MAP->insert ($exit->clone, 19, 19);
2246	$LINK_MAP->insert ($exit->clone, 19, 20);
2247	$LINK_MAP->insert ($exit->clone, 19, 21);
2248	$LINK_MAP->insert ($exit->clone, 20, 19);
2249	$LINK_MAP->insert ($exit->clone, 20, 21);
2250	$LINK_MAP->insert ($exit->clone, 21, 19);
2251	$LINK_MAP->insert ($exit->clone, 21, 20);
2252	$LINK_MAP->insert ($exit->clone, 21, 21);
2253
2254	$exit->destroy;
2255	});
2256
2257	$LINK_MAP->{deny_save} = 1;
2258	$LINK_MAP->{deny_reset} = 1;
2259
2260	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2261	}
2262
2263	register "<global>", __PACKAGE__;
2264		2534
2265	register_command "reload" => sub {	2535	register_command "reload" => sub {
2266	my ($who, $arg) = @_;	2536	my ($who, $arg) = @_;
2267		2537
2268	if ($who->flag (FLAG_WIZ)) {	2538	if ($who->flag (FLAG_WIZ)) {
2269	$who->message ("start of reload.");	2539	$who->message ("reloading server.");
		2540
		2541	# doing reload synchronously and two reloads happen back-to-back,
		2542	# coro crashes during coro_state_free->destroy here.
		2543
		2544	$RELOAD_WATCHER ||= Event->timer (
		2545	reentrant => 0,
		2546	after => 0,
		2547	data => WF_AUTOCANCEL,
		2548	cb => sub {
2270	reload;	2549	reload;
2271	$who->message ("end of reload.");	2550	undef $RELOAD_WATCHER;
		2551	},
		2552	);
2272	}	2553	}
2273	};	2554	};
2274		2555
2275	unshift @INC, $LIBDIR;	2556	unshift @INC, $LIBDIR;
		2557
		2558	my $bug_warning = 0;
2276		2559
2277	$TICK_WATCHER = Event->timer (	2560	$TICK_WATCHER = Event->timer (
2278	reentrant => 0,	2561	reentrant => 0,
		2562	parked => 1,
2279	prio => 0,	2563	prio => 0,
2280	at => $NEXT_TICK || $TICK,	2564	at => $NEXT_TICK || $TICK,
2281	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2282	cb => sub {	2566	cb => sub {
		2567	if ($Coro::current != $Coro::main) {
		2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2569	unless ++$bug_warning > 10;
		2570	return;
		2571	}
		2572
		2573	$NOW = Event::time;
		2574
2283	cf::server_tick; # one server iteration	2575	cf::server_tick; # one server iteration
2284	$RUNTIME += $TICK;	2576	$RUNTIME += $TICK;
2285	$NEXT_TICK += $TICK;	2577	$NEXT_TICK += $TICK;
		2578
		2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2580	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2581	Coro::async_pool {
		2582	write_runtime
		2583	or warn "ERROR: unable to write runtime file: $!";
		2584	};
		2585	}
		2586
		2587	$WAIT_FOR_TICK->broadcast;
		2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2589
		2590	# my $AFTER = Event::time;
		2591	# warn $AFTER - $NOW;#d#
2286		2592
2287	# if we are delayed by four ticks or more, skip them all	2593	# if we are delayed by four ticks or more, skip them all
2288	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2289		2595
2290	$TICK_WATCHER->at ($NEXT_TICK);	2596	$TICK_WATCHER->at ($NEXT_TICK);
2291	$TICK_WATCHER->start;	2597	$TICK_WATCHER->start;
2292	},	2598	},
2293	);	2599	);
2294		2600
		2601	{
2295	IO::AIO::max_poll_time $TICK * 0.2;	2602	BDB::max_poll_time $TICK * 0.1;
2296		2603	$BDB_POLL_WATCHER = Event->io (
2297	Event->io (	2604	reentrant => 0,
2298	fd => IO::AIO::poll_fileno,	2605	fd => BDB::poll_fileno,
2299	poll => 'r',	2606	poll => 'r',
2300	prio => 5,	2607	prio => 0,
2301	data => WF_AUTOCANCEL,
2302	cb => \&IO::AIO::poll_cb,
2303	);
2304
2305	Event->timer (
2306	data => WF_AUTOCANCEL,	2608	data => WF_AUTOCANCEL,
2307	after => 0,	2609	cb => \&BDB::poll_cb,
2308	interval => 10,	2610	);
2309	cb => sub {	2611	BDB::min_parallel 8;
2310	(Coro::unblock_sub {	2612
2311	write_runtime	2613	BDB::set_sync_prepare {
2312	or warn "ERROR: unable to write runtime file: $!";	2614	my $status;
		2615	my $current = $Coro::current;
		2616	(
		2617	sub {
		2618	$status = $!;
		2619	$current->ready; undef $current;
		2620	},
		2621	sub {
		2622	Coro::schedule while defined $current;
		2623	$! = $status;
		2624	},
		2625	)
		2626	};
		2627
		2628	unless ($DB_ENV) {
		2629	$DB_ENV = BDB::db_env_create;
		2630
		2631	cf::sync_job {
		2632	eval {
		2633	BDB::db_env_open
		2634	$DB_ENV,
		2635	$BDB_ENV_DIR,
		2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2638	0666;
		2639
		2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2641
		2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2643	$DB_ENV->set_lk_detect;
		2644	};
		2645
		2646	cf::cleanup "db_env_open(db): $@" if $@;
2313	})->();	2647	};
2314	},	2648	}
2315	);	2649	}
		2650
		2651	{
		2652	IO::AIO::min_parallel 8;
		2653
		2654	undef $Coro::AIO::WATCHER;
		2655	IO::AIO::max_poll_time $TICK * 0.1;
		2656	$AIO_POLL_WATCHER = Event->io (
		2657	reentrant => 0,
		2658	data => WF_AUTOCANCEL,
		2659	fd => IO::AIO::poll_fileno,
		2660	poll => 'r',
		2661	prio => 6,
		2662	cb => \&IO::AIO::poll_cb,
		2663	);
		2664	}
2316		2665
2317	END { cf::emergency_save }	2666	END { cf::emergency_save }
2318		2667
2319	1	2668	1
2320		2669

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