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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.140 by root, Fri Jan 5 20:04:02 2007 UTC vs.
Revision 1.224 by root, Mon Mar 12 21:42:12 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;
22	use IO::AIO 2.31 ();	26	use IO::AIO 2.32 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	33	$Event::Eval = 1; # no idea why this is required, but it is
		34
		35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		36
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	38	$YAML::Syck::ImplicitUnicode = 1;
30		39
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		41
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	42	our %COMMAND = ();
36	our %COMMAND_TIME = ();	43	our %COMMAND_TIME = ();
		44
		45	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	46	our %EXTCMD = ();
		47	our %EXT_CORO = (); # coroutines bound to extensions
		48	our %EXT_MAP = (); # pluggable maps
38		49
		50	our $RELOAD; # number of reloads so far
39	our @EVENT;	51	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	52	our $LIBDIR = datadir . "/ext";
41		53
42	our $TICK = MAX_TIME * 1e-6;	54	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	55	our $TICK_WATCHER;
		56	our $AIO_POLL_WATCHER;
		57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	58	our $NEXT_TICK;
45	our $NOW;	59	our $NOW;
		60	our $USE_FSYNC = 1; # use fsync to write maps - default off
		61
		62	our $BDB_POLL_WATCHER;
		63	our $DB_ENV;
46		64
47	our %CFG;	65	our %CFG;
48		66
49	our $UPTIME; $UPTIME ||= time;	67	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	68	our $RUNTIME;
51		69
		70	our %PLAYER; # all users
52	our %MAP; # all maps	71	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	72	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	73	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	74	our $BDB_ENV_DIR = cf::localdir . "/db";
		75
		76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		78
		79	# used to convert map paths into valid unix filenames by replacing / by ∕
		80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		81
57	binmode STDOUT;	82	binmode STDOUT;
58	binmode STDERR;	83	binmode STDERR;
59		84
60	# read virtual server time, if available	85	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	92	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	93	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	94	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	95	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	96	mkdir $RANDOM_MAPS;
		97	mkdir $BDB_ENV_DIR;
72		98
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	99	our $EMERGENCY_POSITION;
		100
		101	sub cf::map::normalise;
76		102
77	#############################################################################	103	#############################################################################
78		104
79	=head2 GLOBAL VARIABLES	105	=head2 GLOBAL VARIABLES
80		106
…		…
104		130
105	=item %cf::CFG	131	=item %cf::CFG
106		132
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	133	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	134	from wherever your confdir points to.
		135
		136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		137
		138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		139	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		140	processing has been done. Call C<< ->wait >> on them to maximise the
		141	window of cpu time available, or simply to synchronise to the server tick.
109		142
110	=back	143	=back
111		144
112	=cut	145	=cut
113		146
…		…
117	utf8::encode $msg;	150	utf8::encode $msg;
118		151
119	$msg .= "\n"	152	$msg .= "\n"
120	unless $msg =~ /\n$/;	153	unless $msg =~ /\n$/;
121		154
122	LOG llevError, "cfperl: $msg";	155	LOG llevError, $msg;
123	};	156	};
124	}	157	}
125		158
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		178
146	$Event::DIED = sub {	179	$Event::DIED = sub {
147	warn "error in event callback: @_";	180	warn "error in event callback: @_";
148	};	181	};
149		182
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	183	=head2 UTILITY FUNCTIONS
155		184
156	=over 4	185	=over 4
157		186
		187	=item dumpval $ref
		188
158	=cut	189	=cut
		190
		191	sub dumpval {
		192	eval {
		193	local $SIG{__DIE__};
		194	my $d;
		195	if (1) {
		196	$d = new Data::Dumper([$_[0]], ["*var"]);
		197	$d->Terse(1);
		198	$d->Indent(2);
		199	$d->Quotekeys(0);
		200	$d->Useqq(1);
		201	#$d->Bless(...);
		202	$d->Seen($_[1]) if @_ > 1;
		203	$d = $d->Dump();
		204	}
		205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		206	$d
		207	} || "[unable to dump $_[0]: '$@']";
		208	}
159		209
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	210	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		211
162	=item $ref = cf::from_json $json	212	=item $ref = cf::from_json $json
163		213
…		…
224	}	274	}
225		275
226	sub freeze_mainloop {	276	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	277	return unless $TICK_WATCHER->is_active;
228		278
229	my $guard = Coro::guard { $TICK_WATCHER->start };	279	my $guard = Coro::guard {
		280	$TICK_WATCHER->start;
		281	};
230	$TICK_WATCHER->stop;	282	$TICK_WATCHER->stop;
231	$guard	283	$guard
232	}	284	}
233		285
234	=item cf::async { BLOCK }	286	=item cf::async { BLOCK }
…		…
273	warn $@ if $@;	325	warn $@ if $@;
274	undef $busy;	326	undef $busy;
275	})->prio (Coro::PRIO_MAX);	327	})->prio (Coro::PRIO_MAX);
276		328
277	while ($busy) {	329	while ($busy) {
278	unless (Coro::cede) {	330	Coro::cede or Event::one_event;
279	Coro::nready ? Event::one_event 0 : Event::one_event;
280	Coro::cede_notself unless Coro::cede;
281	}
282	}	331	}
283		332
284	wantarray ? @res : $res[0]	333	wantarray ? @res : $res[0]
285	} else {	334	} else {
286	# we are in another coroutine, how wonderful, everything just works	335	# we are in another coroutine, how wonderful, everything just works
…		…
289	}	338	}
290	}	339	}
291		340
292	=item $coro = cf::async_ext { BLOCK }	341	=item $coro = cf::async_ext { BLOCK }
293		342
294	Like async, but this coro is automcatially being canceled when the	343	Like async, but this coro is automatically being canceled when the
295	extension calling this is being unloaded.	344	extension calling this is being unloaded.
296		345
297	=cut	346	=cut
298		347
299	sub async_ext(&) {	348	sub async_ext(&) {
…		…
308		357
309	$coro	358	$coro
310	}	359	}
311		360
312	sub write_runtime {	361	sub write_runtime {
		362	my $guard = cf::lock_acquire "write_runtime";
		363
313	my $runtime = cf::localdir . "/runtime";	364	my $runtime = cf::localdir . "/runtime";
314		365
315	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
316	or return;	367	or return;
317		368
		369	my $value = $cf::RUNTIME + 90 + 10;
318	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	370	# 10 is the runtime save interval, for a monotonic clock
		371	# 60 allows for the watchdog to kill the server.
		372
319	(aio_write $fh, 0, (length $value), $value, 0) <= 0	373	(aio_write $fh, 0, (length $value), $value, 0) <= 0
320	and return;	374	and return;
321		375
		376	# always fsync - this file is important
322	aio_fsync $fh	377	aio_fsync $fh
323	and return;	378	and return;
324		379
325	close $fh	380	close $fh
326	or return;	381	or return;
…		…
332	}	387	}
333		388
334	=back	389	=back
335		390
336	=cut	391	=cut
337
338	#############################################################################
339
340	package cf::path;
341
342	sub new {
343	my ($class, $path, $base) = @_;
344
345	$path = $path->as_string if ref $path;
346
347	my $self = bless { }, $class;
348
349	# {... are special paths that are not touched
350	# ?xxx/... are special absolute paths
351	# ?random/... random maps
352	# /! non-realised random map exit
353	# /... normal maps
354	# ~/... per-player maps without a specific player (DO NOT USE)
355	# ~user/... per-player map of a specific user
356
357	if ($path =~ /^{/) {
358	# fine as it is
359	} elsif ($path =~ s{^\?random/}{}) {
360	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
361	$self->{random} = cf::from_json $data;
362	} else {
363	if ($path =~ s{^~([^/]+)?}{}) {
364	$self->{user_rel} = 1;
365
366	if (defined $1) {
367	$self->{user} = $1;
368	} elsif ($base =~ m{^~([^/]+)/}) {
369	$self->{user} = $1;
370	} else {
371	warn "cannot resolve user-relative path without user <$path,$base>\n";
372	}
373	} elsif ($path =~ /^\//) {
374	# already absolute
375	} else {
376	$base =~ s{[^/]+/?$}{};
377	return $class->new ("$base/$path");
378	}
379
380	for ($path) {
381	redo if s{/\.?/}{/};
382	redo if s{/[^/]+/\.\./}{/};
383	}
384	}
385
386	$self->{path} = $path;
387
388	$self
389	}
390
391	# the name / primary key / in-game path
392	sub as_string {
393	my ($self) = @_;
394
395	$self->{user_rel} ? "~$self->{user}$self->{path}"
396	: $self->{random} ? "?random/$self->{path}"
397	: $self->{path}
398	}
399
400	# the displayed name, this is a one way mapping
401	sub visible_name {
402	my ($self) = @_;
403
404	# if (my $rmp = $self->{random}) {
405	# # todo: be more intelligent about this
406	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
407	# } else {
408	$self->as_string
409	# }
410	}
411
412	# escape the /'s in the path
413	sub _escaped_path {
414	# ∕ is U+2215
415	(my $path = $_[0]{path}) =~ s/\//∕/g;
416	$path
417	}
418
419	# the original (read-only) location
420	sub load_path {
421	my ($self) = @_;
422
423	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
424	}
425
426	# the temporary/swap location
427	sub save_path {
428	my ($self) = @_;
429
430	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
431	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
432	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
433	}
434
435	# the unique path, might be eq to save_path
436	sub uniq_path {
437	my ($self) = @_;
438
439	$self->{user_rel} || $self->{random}
440	? undef
441	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
442	}
443
444	# return random map parameters, or undef
445	sub random_map_params {
446	my ($self) = @_;
447
448	$self->{random}
449	}
450
451	# this is somewhat ugly, but style maps do need special treatment
452	sub is_style_map {
453	$_[0]{path} =~ m{^/styles/}
454	}
455
456	package cf;
457		392
458	#############################################################################	393	#############################################################################
459		394
460	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
461		396
…		…
587	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
588	our @CB_MAP = ();	523	our @CB_MAP = ();
589		524
590	my %attachment;	525	my %attachment;
591		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
592	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
593	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
594		535
595	use sort 'stable';	536	use sort 'stable';
596		537
…		…
767	# object support	708	# object support
768		709
769	sub reattach {	710	sub reattach {
770	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
771	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		715
773	my $registry = $obj->registry;	716	my $registry = $obj->registry;
774		717
775	@$registry = ();	718	@$registry = ();
776		719
…		…
823	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
824		767
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	772	close $fh;
830		773
831	if (@$objs) {	774	if (@$objs) {
832	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) {
833	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	780	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
839	}	782	}
840	} else {	783	} else {
841	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
908	=cut	851	=cut
909		852
910	sub register_extcmd {	853	sub register_extcmd {
911	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
912		855
913	my $caller = caller;
914	#warn "registering extcmd '$name' to '$caller'";
915
916	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
917	}	857	}
918		858
919	cf::player->attach (	859	cf::player->attach (
920	on_command => sub {	860	on_command => sub {
921	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
934		874
935	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
936		876
937	if (ref $msg) {	877	if (ref $msg) {
938	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
939	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
940	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
941	}	881	}
942	}	882	}
943	} else {	883	} else {
944	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
946		886
947	cf::override;	887	cf::override;
948	},	888	},
949	);	889	);
950		890
951	sub register {
952	my ($base, $pkg) = @_;
953
954	#TODO
955	}
956
957	sub load_extension {	891	sub load_extension {
958	my ($path) = @_;	892	my ($path) = @_;
959		893
960	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
961	my $base = $1;	895	my $base = $1;
962	my $pkg = $1;	896	my $pkg = $1;
963	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
964	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
965		899
966	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
967		901
968	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
969	or die "$path: $!";	903	or die "$path: $!";
970		904
971	my $source =	905	my $source =
972	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
973	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
974	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
975	. "\n};\n1";	909	. "\n};\n1";
976		910
977	eval $source	911	unless (eval $source) {
978	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
979	: "extension disabled.\n";	913	: "extension disabled.\n";
980		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
981	push @exts, $pkg;	915	warn $@;
982	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
983		917	exit 1;
984	# no strict 'refs';	918	}
985	# @{"$pkg\::ISA"} = ext::;	919	die $@;
986
987	register $base, $pkg;
988	}
989
990	sub unload_extension {
991	my ($pkg) = @_;
992
993	warn "removing extension $pkg\n";
994
995	# remove hooks
996	#TODO
997	# for my $idx (0 .. $#PLUGIN_EVENT) {
998	# delete $hook[$idx]{$pkg};
999	# }	920	}
1000		921
1001	# remove commands	922	push @EXTS, $pkg;
1002	for my $name (keys %COMMAND) {
1003	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1004
1005	if (@cb) {
1006	$COMMAND{$name} = \@cb;
1007	} else {
1008	delete $COMMAND{$name};
1009	}
1010	}
1011
1012	# remove extcmds
1013	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1014	delete $EXTCMD{$name};
1015	}
1016
1017	if (my $cb = $pkg->can ("unload")) {
1018	eval {
1019	$cb->($pkg);
1020	1
1021	} or warn "$pkg unloaded, but with errors: $@";
1022	}
1023
1024	Symbol::delete_package $pkg;
1025	}	923	}
1026		924
1027	sub load_extensions {	925	sub load_extensions {
1028	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1029	next unless -r $ext;	927	next unless -r $ext;
…		…
1033	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1034	}	932	}
1035	}	933	}
1036		934
1037	#############################################################################	935	#############################################################################
1038	# load/save/clean perl data associated with a map
1039
1040	*cf::mapsupport::on_clean = sub {
1041	my ($map) = @_;
1042
1043	my $path = $map->tmpname;
1044	defined $path or return;
1045
1046	unlink "$path.pst";
1047	};
1048
1049	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1050
1051	#############################################################################
1052	# load/save perl data associated with player->ob objects
1053
1054	sub all_objects(@) {
1055	@_, map all_objects ($_->inv), @_
1056	}
1057
1058	# TODO: compatibility cruft, remove when no longer needed
1059	cf::player->attach (
1060	on_load => sub {
1061	my ($pl, $path) = @_;
1062
1063	for my $o (all_objects $pl->ob) {
1064	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1065	$o->set_ob_key_value ("_perl_data");
1066
1067	%$o = %{ Storable::thaw pack "H*", $value };
1068	}
1069	}
1070	},
1071	);
1072
1073	#############################################################################
1074		936
1075	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1076		938
1077	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1078		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1079	=head3 cf::player	947	=head3 cf::player
1080		948
1081	=over 4	949	=over 4
1082		950
1083	=item cf::player::exists $login	951	=item cf::player::find $login
1084		952
1085	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1086		954
1087	=cut	955	=cut
1088		956
1089	sub cf::player::exists($) {	957	sub playerdir($) {
1090	cf::player::find $_[0]	958	cf::localdir
1091	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	959	. "/"
		960	. cf::playerdir
		961	. "/"
		962	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		963	}
		964
		965	sub path($) {
		966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		967
		968	(playerdir $login) . "/$login.pl"
		969	}
		970
		971	sub find_active($) {
		972	$cf::PLAYER{$_[0]}
		973	and $cf::PLAYER{$_[0]}->active
		974	and $cf::PLAYER{$_[0]}
		975	}
		976
		977	sub exists($) {
		978	my ($login) = @_;
		979
		980	$cf::PLAYER{$login}
		981	or cf::sync_job { !aio_stat path $login }
		982	}
		983
		984	sub find($) {
		985	return $cf::PLAYER{$_[0]} || do {
		986	my $login = $_[0];
		987
		988	my $guard = cf::lock_acquire "user_find:$login";
		989
		990	$cf::PLAYER{$_[0]} || do {
		991	my $pl = load_pl path $login
		992	or return;
		993	$cf::PLAYER{$login} = $pl
		994	}
		995	}
		996	}
		997
		998	sub save($) {
		999	my ($pl) = @_;
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	my $path = path $pl;
		1004	my $guard = cf::lock_acquire "user_save:$path";
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	aio_mkdir playerdir $pl, 0770;
		1009	$pl->{last_save} = $cf::RUNTIME;
		1010
		1011	$pl->save_pl ($path);
		1012	Coro::cede;
		1013	}
		1014
		1015	sub new($) {
		1016	my ($login) = @_;
		1017
		1018	my $self = create;
		1019
		1020	$self->ob->name ($login);
		1021	$self->{deny_save} = 1;
		1022
		1023	$cf::PLAYER{$login} = $self;
		1024
		1025	$self
		1026	}
		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
		1035	sub quit_character {
		1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
		1039
		1040	$pl->{deny_save} = 1;
		1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1042
		1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1044	$pl->deactivate;
		1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1046	$pl->ns->destroy if $pl->ns;
		1047
		1048	my $path = playerdir $pl;
		1049	my $temp = "$path~$cf::RUNTIME~deleting~";
		1050	aio_rename $path, $temp;
		1051	delete $cf::PLAYER{$pl->ob->name};
		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
		1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
		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
1092	}	1127	}
1093		1128
1094	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, $msgtype, %msg)
1095		1130
1096	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1097		1132
1098	=cut	1133	=cut
1099		1134
1100	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$$%) {
1101	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1102		1137
1103	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1104		1139
1105	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1106	}	1141	}
		1142
		1143	package cf;
1107		1144
1108	=back	1145	=back
1109		1146
1110		1147
1111	=head3 cf::map	1148	=head3 cf::map
…		…
1117	package cf::map;	1154	package cf::map;
1118		1155
1119	use Fcntl;	1156	use Fcntl;
1120	use Coro::AIO;	1157	use Coro::AIO;
1121		1158
		1159	use overload
		1160	'""' => \&as_string,
		1161	fallback => 1;
		1162
1122	our $MAX_RESET = 3600;	1163	our $MAX_RESET = 3600;
1123	our $DEFAULT_RESET = 3000;	1164	our $DEFAULT_RESET = 3000;
1124		1165
1125	sub generate_random_map {	1166	sub generate_random_map {
1126	my ($path, $rmp) = @_;	1167	my ($self, $rmp) = @_;
1127
1128	# mit "rum" bekleckern, nicht	1168	# mit "rum" bekleckern, nicht
1129	cf::map::_create_random_map	1169	$self->_create_random_map (
1130	$path,
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1173	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1174	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1178	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region})	1180	(cf::region::find $rmp->{region}), $rmp->{custom}
		1181	)
		1182	}
		1183
		1184	=item cf::map->register ($regex, $prio)
		1185
		1186	Register a handler for the map path matching the given regex at the
		1187	givne priority (higher is better, built-in handlers have priority 0, the
		1188	default).
		1189
		1190	=cut
		1191
		1192	sub register {
		1193	my (undef, $regex, $prio) = @_;
		1194	my $pkg = caller;
		1195
		1196	no strict;
		1197	push @{"$pkg\::ISA"}, __PACKAGE__;
		1198
		1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1200	}
		1201
		1202	# also paths starting with '/'
		1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1204
		1205	sub thawer_merge {
		1206	my ($self, $merge) = @_;
		1207
		1208	# we have to keep some variables in memory intact
		1209	local $self->{path};
		1210	local $self->{load_path};
		1211	local $self->{deny_save};
		1212	local $self->{deny_reset};
		1213
		1214	$self->SUPER::thawer_merge ($merge);
		1215	}
		1216
		1217	sub normalise {
		1218	my ($path, $base) = @_;
		1219
		1220	$path = "$path"; # make sure its a string
		1221
		1222	$path =~ s/\.map$//;
		1223
		1224	# map plan:
		1225	#
		1226	# /! non-realised random map exit (special hack!)
		1227	# {... are special paths that are not being touched
		1228	# ?xxx/... are special absolute paths
		1229	# ?random/... random maps
		1230	# /... normal maps
		1231	# ~user/... per-player map of a specific user
		1232
		1233	$path =~ s/$PATH_SEP/\//go;
		1234
		1235	# treat it as relative path if it starts with
		1236	# something that looks reasonable
		1237	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1238	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1239
		1240	$base =~ s{[^/]+/?$}{};
		1241	$path = "$base/$path";
		1242	}
		1243
		1244	for ($path) {
		1245	redo if s{//}{/};
		1246	redo if s{/\.?/}{/};
		1247	redo if s{/[^/]+/\.\./}{/};
		1248	}
		1249
		1250	$path
		1251	}
		1252
		1253	sub new_from_path {
		1254	my (undef, $path, $base) = @_;
		1255
		1256	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1257
		1258	$path = normalise $path, $base;
		1259
		1260	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1261	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1262	my $self = bless cf::map::new, $pkg;
		1263	$self->{path} = $path; $self->path ($path);
		1264	$self->init; # pass $1 etc.
		1265	return $self;
		1266	}
		1267	}
		1268
		1269	Carp::carp "unable to resolve path '$path' (base '$base').";
		1270	()
		1271	}
		1272
		1273	sub init {
		1274	my ($self) = @_;
		1275
		1276	$self
		1277	}
		1278
		1279	sub as_string {
		1280	my ($self) = @_;
		1281
		1282	"$self->{path}"
		1283	}
		1284
		1285	# the displayed name, this is a one way mapping
		1286	sub visible_name {
		1287	&as_string
		1288	}
		1289
		1290	# the original (read-only) location
		1291	sub load_path {
		1292	my ($self) = @_;
		1293
		1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1295	}
		1296
		1297	# the temporary/swap location
		1298	sub save_path {
		1299	my ($self) = @_;
		1300
		1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1303	}
		1304
		1305	# the unique path, undef == no special unique path
		1306	sub uniq_path {
		1307	my ($self) = @_;
		1308
		1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1142	}	1311	}
1143		1312
1144	# and all this just because we cannot iterate over	1313	# and all this just because we cannot iterate over
1145	# all maps in C++...	1314	# all maps in C++...
1146	sub change_all_map_light {	1315	sub change_all_map_light {
…		…
1148		1317
1149	$_->change_map_light ($change)	1318	$_->change_map_light ($change)
1150	for grep $_->outdoor, values %cf::MAP;	1319	for grep $_->outdoor, values %cf::MAP;
1151	}	1320	}
1152		1321
		1322	sub unlink_save {
		1323	my ($self) = @_;
		1324
		1325	utf8::encode (my $save = $self->save_path);
		1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1327	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1328	}
		1329
1153	sub try_load_header($) {	1330	sub load_header_from($) {
1154	my ($path) = @_;	1331	my ($self, $path) = @_;
1155		1332
1156	utf8::encode $path;	1333	utf8::encode $path;
1157	aio_open $path, O_RDONLY, 0	1334	#aio_open $path, O_RDONLY, 0
		1335	# or return;
		1336
		1337	$self->_load_header ($path)
1158	or return;	1338	or return;
1159		1339
1160	my $map = cf::map::new	1340	$self->{load_path} = $path;
		1341
		1342	1
		1343	}
		1344
		1345	sub load_header_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->load_header_from ($self->load_path)
		1349	}
		1350
		1351	sub load_header_temp {
		1352	my ($self) = @_;
		1353
		1354	$self->load_header_from ($self->save_path)
		1355	}
		1356
		1357	sub prepare_temp {
		1358	my ($self) = @_;
		1359
		1360	$self->last_access ((delete $self->{last_access})
		1361	|| $cf::RUNTIME); #d#
		1362	# safety
		1363	$self->{instantiate_time} = $cf::RUNTIME
		1364	if $self->{instantiate_time} > $cf::RUNTIME;
		1365	}
		1366
		1367	sub prepare_orig {
		1368	my ($self) = @_;
		1369
		1370	$self->{load_original} = 1;
		1371	$self->{instantiate_time} = $cf::RUNTIME;
		1372	$self->last_access ($cf::RUNTIME);
		1373	$self->instantiate;
		1374	}
		1375
		1376	sub load_header {
		1377	my ($self) = @_;
		1378
		1379	if ($self->load_header_temp) {
		1380	$self->prepare_temp;
		1381	} else {
		1382	$self->load_header_orig
1161	or return;	1383	or return;
		1384	$self->prepare_orig;
		1385	}
1162		1386
1163	# for better error messages only, will be overwritten	1387	1
1164	$map->path ($path);
1165
1166	$map->load_header ($path)
1167	or return;
1168
1169	$map->{load_path} = $path;
1170
1171	$map
1172	}	1388	}
1173		1389
1174	sub find;	1390	sub find;
1175	sub find {	1391	sub find {
1176	my ($path, $origin) = @_;	1392	my ($path, $origin) = @_;
1177		1393
1178	#warn "find<$path,$origin>\n";#d#
1179
1180	$path = new cf::path $path, $origin && $origin->path;	1394	$path = normalise $path, $origin && $origin->path;
1181	my $key = $path->as_string;
1182		1395
1183	cf::lock_wait "map_find:$key";	1396	cf::lock_wait "map_find:$path";
1184		1397
1185	$cf::MAP{$key} || do {	1398	$cf::MAP{$path} || do {
1186	my $guard = cf::lock_acquire "map_find:$key";	1399	my $guard = cf::lock_acquire "map_find:$path";
1187		1400	my $map = new_from_path cf::map $path
1188	# do it the slow way
1189	my $map = try_load_header $path->save_path;
1190
1191	Coro::cede;
1192
1193	if ($map) {
1194	$map->last_access ((delete $map->{last_access})
1195	|| $cf::RUNTIME); #d#
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1401	or return;
1207		1402
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->last_access ($cf::RUNTIME);
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1403	$map->{last_save} = $cf::RUNTIME;
1220		1404
1221	Coro::cede;	1405	$map->load_header
		1406	or return;
1222		1407
1223	if ($map->should_reset) {	1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1409	# doing this can freeze the server in a sync job, obviously
		1410	#$cf::WAIT_FOR_TICK->wait;
1224	$map->reset;	1411	$map->reset;
1225	undef $guard;	1412	undef $guard;
1226	$map = find $path	1413	return find $path;
1227	or return;
1228	}	1414	}
1229		1415
1230	$cf::MAP{$key} = $map	1416	$cf::MAP{$path} = $map
1231	}	1417	}
1232	}	1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
1233		1422
1234	sub load {	1423	sub load {
1235	my ($self) = @_;	1424	my ($self) = @_;
1236		1425
		1426	local $self->{deny_reset} = 1; # loading can take a long time
		1427
1237	my $path = $self->{path};	1428	my $path = $self->{path};
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1429	my $guard = cf::lock_acquire "map_load:$path";
1239		1430
1240	return if $self->in_memory != cf::MAP_SWAPPED;	1431	return if $self->in_memory != cf::MAP_SWAPPED;
1241		1432
1242	$self->in_memory (cf::MAP_LOADING);	1433	$self->in_memory (cf::MAP_LOADING);
1243		1434
1244	$self->alloc;	1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
1245	$self->load_objects ($self->{load_path}, 1)	1439	$self->_load_objects ($self->{load_path}, 1)
1246	or return;	1440	or return;
1247		1441
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249	if delete $self->{load_original};	1443	if delete $self->{load_original};
1250		1444
1251	if (my $uniq = $path->uniq_path) {	1445	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	1446	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	1447	if (aio_open $uniq, O_RDONLY, 0) {
1254	$self->clear_unique_items;	1448	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	1449	$self->_load_objects ($uniq, 0);
1256	}	1450	}
1257	}	1451	}
1258		1452
1259	Coro::cede;	1453	Coro::cede;
1260		1454
1261	# now do the right thing for maps	1455	# now do the right thing for maps
1262	$self->link_multipart_objects;	1456	$self->link_multipart_objects;
1263		1457
1264	if ($self->{path}->is_style_map) {	1458	unless ($self->{deny_activate}) {
1265	$self->{deny_save} = 1;	1459	$self->decay_objects;
1266	$self->{deny_reset} = 1;
1267	} else {
1268	$self->fix_auto_apply;	1460	$self->fix_auto_apply;
1269	$self->decay_objects;
1270	$self->update_buttons;	1461	$self->update_buttons;
		1462	Coro::cede;
1271	$self->set_darkness_map;	1463	$self->set_darkness_map;
1272	$self->difficulty ($self->estimate_difficulty)	1464	$self->difficulty ($self->estimate_difficulty)
1273	unless $self->difficulty;	1465	unless $self->difficulty;
		1466	Coro::cede;
1274	$self->activate;	1467	$self->activate;
1275	}	1468	}
1276		1469
1277	Coro::cede;	1470	$self->post_load;
1278		1471
1279	$self->in_memory (cf::MAP_IN_MEMORY);	1472	$self->in_memory (cf::MAP_IN_MEMORY);
		1473	}
		1474
		1475	sub customise_for {
		1476	my ($self, $ob) = @_;
		1477
		1478	return find "~" . $ob->name . "/" . $self->{path}
		1479	if $self->per_player;
		1480
		1481	$self
		1482	}
		1483
		1484	# find and load all maps in the 3x3 area around a map
		1485	sub load_diag {
		1486	my ($map) = @_;
		1487
		1488	my @diag; # diagonal neighbours
		1489
		1490	for (0 .. 3) {
		1491	my $neigh = $map->tile_path ($_)
		1492	or next;
		1493	$neigh = find $neigh, $map
		1494	or next;
		1495	$neigh->load;
		1496
		1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1499	}
		1500
		1501	for (@diag) {
		1502	my $neigh = find @$_
		1503	or next;
		1504	$neigh->load;
		1505	}
1280	}	1506	}
1281		1507
1282	sub find_sync {	1508	sub find_sync {
1283	my ($path, $origin) = @_;	1509	my ($path, $origin) = @_;
1284		1510
1285	cf::sync_job { cf::map::find $path, $origin }	1511	cf::sync_job { find $path, $origin }
1286	}	1512	}
1287		1513
1288	sub do_load_sync {	1514	sub do_load_sync {
1289	my ($map) = @_;	1515	my ($map) = @_;
1290		1516
1291	cf::sync_job { $map->load };	1517	cf::sync_job { $map->load };
1292	}	1518	}
1293		1519
		1520	our %MAP_PREFETCH;
		1521	our $MAP_PREFETCHER = undef;
		1522
		1523	sub find_async {
		1524	my ($path, $origin) = @_;
		1525
		1526	$path = normalise $path, $origin && $origin->{path};
		1527
		1528	if (my $map = $cf::MAP{$path}) {
		1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1530	}
		1531
		1532	undef $MAP_PREFETCH{$path};
		1533	$MAP_PREFETCHER ||= cf::async {
		1534	while (%MAP_PREFETCH) {
		1535	for my $path (keys %MAP_PREFETCH) {
		1536	my $map = find $path
		1537	or next;
		1538	$map->load;
		1539
		1540	delete $MAP_PREFETCH{$path};
		1541	}
		1542	}
		1543	undef $MAP_PREFETCHER;
		1544	};
		1545	$MAP_PREFETCHER->prio (6);
		1546
		1547	()
		1548	}
		1549
1294	sub save {	1550	sub save {
1295	my ($self) = @_;	1551	my ($self) = @_;
1296		1552
1297	my $lock = cf::lock_acquire "map_data:" . $self->path;	1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1298		1554
1299	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1300		1556
1301	return unless $self->dirty;	1557	return unless $self->dirty;
1302		1558
1303	my $save = $self->{path}->save_path; utf8::encode $save;	1559	my $save = $self->save_path; utf8::encode $save;
1304	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
1305		1561
1306	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1307		1563
1308	return if $self->{deny_save};	1564	return if $self->{deny_save};
1309		1565
1310	local $self->{last_access} = $self->last_access;#d#	1566	local $self->{last_access} = $self->last_access;#d#
1311		1567
		1568	cf::async {
		1569	$_->contr->save for $self->players;
		1570	};
		1571
1312	if ($uniq) {	1572	if ($uniq) {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1315	} else {	1575	} else {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1317	}	1577	}
1318	}	1578	}
1319		1579
1320	sub swap_out {	1580	sub swap_out {
1321	my ($self) = @_;	1581	my ($self) = @_;
…		…
1335		1595
1336	sub reset_at {	1596	sub reset_at {
1337	my ($self) = @_;	1597	my ($self) = @_;
1338		1598
1339	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1342		1602
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1605
…		…
1350	my ($self) = @_;	1610	my ($self) = @_;
1351		1611
1352	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1353	}	1613	}
1354		1614
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1615	sub reset {
1377	my ($self) = @_;	1616	my ($self) = @_;
1378		1617
1379	my $lock = cf::lock_acquire "map_data:" . $self->path;	1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
1380		1619
1381	return if $self->players;	1620	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1383		1622
1384	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1385		1624
		1625	$self->in_memory (cf::MAP_SWAPPED);
		1626
		1627	# need to save uniques path
		1628	unless ($self->{deny_save}) {
		1629	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1630
		1631	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1632	if $uniq;
		1633	}
		1634
1386	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
		1636
		1637	$self->clear;
1387		1638
1388	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1389		1640
1390	$self->unlink_save;	1641	$self->unlink_save;
1391	$self->destroy;	1642	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1645	my $nuke_counter = "aaaa";
1395		1646
1396	sub nuke {	1647	sub nuke {
1397	my ($self) = @_;	1648	my ($self) = @_;
1398		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1656	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1657	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
1402	$self->reset; # polite request, might not happen	1662	$self->reset; # polite request, might not happen
1403	}	1663	}
1404		1664
1405	sub customise_for {	1665	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1666
1408	if ($map->per_player) {	1667	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1668	instantiated unique items. May block.
1410	}
1411		1669
1412	$map	1670	=cut
1413	}
1414		1671
1415	sub emergency_save {	1672	sub unique_maps() {
1416	my $freeze_guard = cf::freeze_mainloop;	1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1674	or return;
1417		1675
1418	warn "enter emergency map save\n";	1676	my @paths;
1419		1677
1420	cf::sync_job {	1678	for (@$files) {
1421	warn "begin emergency map save\n";	1679	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1680	next if /\.pst$/;
		1681	next unless /^$PATH_SEP/o;
		1682
		1683	push @paths, cf::map::normalise $_;
1423	};	1684	}
1424		1685
1425	warn "end emergency map save\n";	1686	\@paths
1426	}	1687	}
1427		1688
1428	package cf;	1689	package cf;
1429		1690
1430	=back	1691	=back
1431		1692
		1693	=head3 cf::object
		1694
		1695	=cut
		1696
		1697	package cf::object;
		1698
		1699	=over 4
		1700
		1701	=item $ob->inv_recursive
		1702
		1703	Returns the inventory of the object _and_ their inventories, recursively.
		1704
		1705	=cut
		1706
		1707	sub inv_recursive_;
		1708	sub inv_recursive_ {
		1709	map { $_, inv_recursive_ $_->inv } @_
		1710	}
		1711
		1712	sub inv_recursive {
		1713	inv_recursive_ inv $_[0]
		1714	}
		1715
		1716	package cf;
		1717
		1718	=back
1432		1719
1433	=head3 cf::object::player	1720	=head3 cf::object::player
1434		1721
1435	=over 4	1722	=over 4
1436		1723
…		…
1476		1763
1477	=item $player_object->enter_link	1764	=item $player_object->enter_link
1478		1765
1479	Freezes the player and moves him/her to a special map (C<{link}>).	1766	Freezes the player and moves him/her to a special map (C<{link}>).
1480		1767
1481	The player should be reaosnably safe there for short amounts of time. You	1768	The player should be reasonably safe there for short amounts of time. You
1482	I<MUST> call C<leave_link> as soon as possible, though.	1769	I<MUST> call C<leave_link> as soon as possible, though.
1483		1770
		1771	Will never block.
		1772
1484	=item $player_object->leave_link ($map, $x, $y)	1773	=item $player_object->leave_link ($map, $x, $y)
1485		1774
1486	Moves the player out of the specila link map onto the given map. If the	1775	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	1776	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	1777	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1778	fails, to the emergency map position.
1490		1779
1491	Might block.	1780	Might block.
1492		1781
1493	=cut	1782	=cut
		1783
		1784	sub link_map {
		1785	unless ($LINK_MAP) {
		1786	$LINK_MAP = cf::map::find "{link}"
		1787	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1788	$LINK_MAP->load;
		1789	}
		1790
		1791	$LINK_MAP
		1792	}
1494		1793
1495	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1795	my ($self) = @_;
1497		1796
1498	$self->deactivate_recursive;	1797	$self->deactivate_recursive;
1499		1798
1500	return if $self->map == $LINK_MAP;	1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1800
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1802	if $self->map;
1504		1803
1505	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1805	}
1507		1806
1508	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1510		1809
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1827	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1828	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1829	if $x <=0 && $y <= 0;
1531		1830
1532	$map->load;	1831	$map->load;
		1832	$map->load_diag;
1533		1833
		1834	return unless $self->contr->active;
1534	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1535	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1536	}	1839	}
1537		1840
1538	cf::player->attach (	1841	cf::player->attach (
1539	on_logout => sub {	1842	on_logout => sub {
…		…
1550	my ($pl) = @_;	1853	my ($pl) = @_;
1551		1854
1552	# try to abort aborted map switching on player login :)	1855	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1856	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1857	if ($pl->ob->{_link_pos}) {
1555
1556	$pl->ob->enter_link;	1858	$pl->ob->enter_link;
1557	(async {	1859	(async {
1558	# we need this sleep as the login has a concurrent enter_exit running
1559	# and this sleep increases chances of the player not ending up in scorn
1560	$pl->ob->reply (undef,	1860	$pl->ob->reply (undef,
1561	"There was an internal problem at your last logout, "	1861	"There was an internal problem at your last logout, "
1562	. "the server will try to bring you to your intended destination in a second.",	1862	. "the server will try to bring you to your intended destination in a second.",
1563	cf::NDI_RED);	1863	cf::NDI_RED);
		1864	# we need this sleep as the login has a concurrent enter_exit running
		1865	# and this sleep increases chances of the player not ending up in scorn
1564	Coro::Timer::sleep 1;	1866	Coro::Timer::sleep 1;
1565	$pl->ob->leave_link;	1867	$pl->ob->leave_link;
1566	})->prio (2);	1868	})->prio (2);
1567	}	1869	}
1568	},	1870	},
…		…
1576	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1577		1879
1578	$self->enter_link;	1880	$self->enter_link;
1579		1881
1580	(async {	1882	(async {
1581	$path = new cf::path $path;	1883	my $map = eval {
1582
1583	my $map = cf::map::find $path->as_string;	1884	my $map = cf::map::find $path;
1584	$map = $map->customise_for ($self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1585		1886	$map
1586	# warn "entering ", $map->path, " at ($x, $y)\n"	1887	} or
1587	# if $map;
1588
1589	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1590		1889
1591	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1592	})->prio (1);	1891	})->prio (1);
1593	}	1892	}
1594		1893
…		…
1598		1897
1599	sub parse_random_map_params {	1898	sub parse_random_map_params {
1600	my ($spec) = @_;	1899	my ($spec) = @_;
1601		1900
1602	my $rmp = { # defaults	1901	my $rmp = { # defaults
1603	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1604	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1605	};	1906	};
1606		1907
1607	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1608	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1609		1910
…		…
1613	$rmp	1914	$rmp
1614	}	1915	}
1615		1916
1616	sub prepare_random_map {	1917	sub prepare_random_map {
1617	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1618		1921
1619	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1620	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1621	# that depends on the exit object	1924	# that depends on the exit object
1622		1925
1623	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1624		1927
1625	if ($exit->map) {	1928	if ($exit->map) {
1626	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1627	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1628	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1629	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1630	}	1933	}
1631		1934
1632	$rmp->{random_seed} ||= $exit->random_seed;	1935	$rmp->{random_seed} ||= $exit->random_seed;
1633		1936
1634	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1635	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1636		1940
1637	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1638	aio_write $fh, 0, (length $data), $data, 0;	1942	aio_write $fh, 0, (length $data), $data, 0;
		1943	undef $fh;
		1944	aio_rename "$meta~", $meta;
1639		1945
1640	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1641	$exit->msg (undef);	1947	$exit->msg (undef);
1642	}	1948	}
1643	}	1949	}
1644		1950
1645	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1646	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1647		1953
1648	return unless $self->type == cf::PLAYER;	1954	return unless $self->type == cf::PLAYER;
		1955
		1956	if ($exit->slaying eq "/!") {
		1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1958	cf::sync_job { prepare_random_map $exit };
		1959	}
		1960
		1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1962	my $hp = $exit->stats->hp;
		1963	my $sp = $exit->stats->sp;
1649		1964
1650	$self->enter_link;	1965	$self->enter_link;
1651		1966
1652	(async {	1967	(async {
1653	$self->deactivate_recursive; # just to be sure	1968	$self->deactivate_recursive; # just to be sure
1654	unless (eval {	1969	unless (eval {
1655	prepare_random_map $exit	1970	$self->goto ($slaying, $hp, $sp);
1656	if $exit->slaying eq "/!";
1657
1658	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1659	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1660		1971
1661	1;	1972	1;
1662	}) {	1973	}) {
1663	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1664	. "I'll try to bring you back to the map you were before. "	1975	. "I'll try to bring you back to the map you were before. "
1665	. "Please report this to the dungeon master",	1976	. "Please report this to the dungeon master!",
1666	cf::NDI_UNIQUE | cf::NDI_RED);	1977	cf::NDI_UNIQUE | cf::NDI_RED);
1667		1978
1668	warn "ERROR in enter_exit: $@";	1979	warn "ERROR in enter_exit: $@";
1669	$self->leave_link;	1980	$self->leave_link;
1670	}	1981	}
…		…
1725	# get handled first	2036	# get handled first
1726	my $queue = delete $ns->{query_queue}	2037	my $queue = delete $ns->{query_queue}
1727	or return; # be conservative, not sure how that can happen, but we saw a crash here	2038	or return; # be conservative, not sure how that can happen, but we saw a crash here
1728		2039
1729	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1730		2042
1731	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1732		2044
1733	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1734	if (@$queue) {	2046	if (@$queue) {
…		…
1895	The parameter C<$family> should best start with the name of the extension	2207	The parameter C<$family> should best start with the name of the extension
1896	using it, it should be unique.	2208	using it, it should be unique.
1897		2209
1898	=over 4	2210	=over 4
1899		2211
1900	=item $hashref = cf::db_get $family
1901
1902	Return a hashref for use by the extension C<$family>, which can be
1903	modified. After modifications, you have to call C<cf::db_dirty> or
1904	C<cf::db_sync>.
1905
1906	=item $value = cf::db_get $family => $key	2212	=item $value = cf::db_get $family => $key
1907		2213
1908	Returns a single value from the database	2214	Returns a single value from the database.
1909
1910	=item cf::db_put $family => $hashref
1911
1912	Stores the given family hashref into the database. Updates are delayed, if
1913	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1914		2215
1915	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
1916		2217
1917	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	Stores the given C<$value> in the family.
1918	want the data to be synced to disk immediately, use C<cf::db_sync>.
1919
1920	=item cf::db_dirty
1921
1922	Marks the database as dirty, to be updated at a later time.
1923
1924	=item cf::db_sync
1925
1926	Immediately write the database to disk I<if it is dirty>.
1927		2219
1928	=cut	2220	=cut
1929		2221
1930	our $DB;	2222	our $DB;
1931		2223
1932	{	2224	sub db_init {
		2225	unless ($DB) {
		2226	$DB = BDB::db_create $DB_ENV;
		2227
		2228	cf::sync_job {
		2229	eval {
		2230	$DB->set_flags (BDB::CHKSUM);
		2231
		2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2234	cf::cleanup "db_open(db): $!" if $!;
		2235	};
		2236	cf::cleanup "db_open(db): $@" if $@;
		2237	};
		2238
1933	my $path = cf::localdir . "/database.pst";	2239	my $path = cf::localdir . "/database.pst";
		2240	if (stat $path) {
		2241	cf::sync_job {
		2242	my $pst = Storable::retrieve $path;
1934		2243
1935	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
1936	$DB = stat $path ? Storable::retrieve $path : { };	2245	cf::db_put (guildrules => data => $pst->{guildrules});
1937	}	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
		2247	BDB::db_env_txn_checkpoint $DB_ENV;
1938		2248
1939	my $pid;	2249	unlink $path;
1940
1941	sub db_save() {
1942	waitpid $pid, 0 if $pid;
1943	if (0 == ($pid = fork)) {
1944	$DB->{_meta}{version} = 1;
1945	Storable::nstore $DB, "$path~";
1946	rename "$path~", $path;
1947	cf::_exit 0 if defined $pid;
1948	}	2250	};
1949	}
1950
1951	my $dirty;
1952
1953	sub db_sync() {
1954	db_save if $dirty;
1955	undef $dirty;
1956	}
1957
1958	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1959	db_sync;
1960	});
1961
1962	sub db_dirty() {
1963	$dirty = 1;
1964	$idle->start;
1965	}
1966
1967	sub db_get($;$) {
1968	@_ >= 2
1969	? $DB->{$_[0]}{$_[1]}
1970	: ($DB->{$_[0]} ||= { })
1971	}
1972
1973	sub db_put($$;$) {
1974	if (@_ >= 3) {
1975	$DB->{$_[0]}{$_[1]} = $_[2];
1976	} else {
1977	$DB->{$_[0]} = $_[1];
1978	}
1979	db_dirty;
1980	}
1981
1982	cf::global->attach (
1983	prio => 10000,
1984	on_cleanup => sub {
1985	db_sync;
1986	},	2251	}
1987	);	2252	}
		2253	}
		2254
		2255	sub db_get($$) {
		2256	my $key = "$_[0]/$_[1]";
		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
		2266	sub db_put($$$) {
		2267	BDB::dbreq_pri 4;
		2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1988	}	2269	}
1989		2270
1990	#############################################################################	2271	#############################################################################
1991	# the server's main()	2272	# the server's init and main functions
		2273
		2274	sub load_faces {
		2275	my $path = sprintf "%s/faces", cf::datadir;
		2276
		2277	warn "loading faces from $path\n";
		2278
		2279	my $faces;
		2280	0 < aio_load $path, $faces
		2281	or die "$path: $!";
		2282
		2283	Coro::cede;
		2284	$faces = Storable::thaw $faces;
		2285	Coro::cede;
		2286
		2287	while (my ($face, $info) = each %$faces) {
		2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2291	Coro::cede;
		2292	}
		2293
		2294	1
		2295	}
		2296
		2297	sub reload_resources {
		2298	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2299	or die "unable to load regions file\n";#d#
		2300	load_faces
		2301	or die "unable to load faces\n";#d#
		2302	}
		2303
		2304	sub init {
		2305	reload_resources;
		2306	}
1992		2307
1993	sub cfg_load {	2308	sub cfg_load {
1994	open my $fh, "<:utf8", cf::confdir . "/config"	2309	open my $fh, "<:utf8", cf::confdir . "/config"
1995	or return;	2310	or return;
1996		2311
…		…
2002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2317	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2003	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2318	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2004		2319
2005	if (exists $CFG{mlockall}) {	2320	if (exists $CFG{mlockall}) {
2006	eval {	2321	eval {
2007	$CFG{mlockall} ? &mlockall : &munlockall	2322	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008	and die "WARNING: m(un)lockall failed: $!\n";	2323	and die "WARNING: m(un)lockall failed: $!\n";
2009	};	2324	};
2010	warn $@ if $@;	2325	warn $@ if $@;
2011	}	2326	}
2012	}	2327	}
2013		2328
2014	sub main {	2329	sub main {
2015	# we must not ever block the main coroutine	2330	# we must not ever block the main coroutine
2016	local $Coro::idle = sub {	2331	local $Coro::idle = sub {
2017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2333	(async {
2018	async { Event::one_event };	2334	Event::one_event;
		2335	})->prio (Coro::PRIO_MAX);
2019	};	2336	};
2020		2337
2021	cfg_load;	2338	cfg_load;
2022	db_load;	2339	db_init;
2023	load_extensions;	2340	load_extensions;
		2341
		2342	$TICK_WATCHER->start;
2024	Event::loop;	2343	Event::loop;
2025	}	2344	}
2026		2345
2027	#############################################################################	2346	#############################################################################
2028	# initialisation	2347	# initialisation and cleanup
		2348
		2349	# install some emergency cleanup handlers
		2350	BEGIN {
		2351	for my $signal (qw(INT HUP TERM)) {
		2352	Event->signal (
		2353	reentrant => 0,
		2354	data => WF_AUTOCANCEL,
		2355	signal => $signal,
		2356	prio => 0,
		2357	cb => sub {
		2358	cf::cleanup "SIG$signal";
		2359	},
		2360	);
		2361	}
		2362	}
		2363
		2364	sub emergency_save() {
		2365	my $freeze_guard = cf::freeze_mainloop;
		2366
		2367	warn "enter emergency perl save\n";
		2368
		2369	cf::sync_job {
		2370	# use a peculiar iteration method to avoid tripping on perl
		2371	# refcount bugs in for. also avoids problems with players
		2372	# and maps saved/destroyed asynchronously.
		2373	warn "begin emergency player save\n";
		2374	for my $login (keys %cf::PLAYER) {
		2375	my $pl = $cf::PLAYER{$login} or next;
		2376	$pl->valid or next;
		2377	$pl->save;
		2378	}
		2379	warn "end emergency player save\n";
		2380
		2381	warn "begin emergency map save\n";
		2382	for my $path (keys %cf::MAP) {
		2383	my $map = $cf::MAP{$path} or next;
		2384	$map->valid or next;
		2385	$map->save;
		2386	}
		2387	warn "end emergency map save\n";
		2388
		2389	warn "begin emergency database checkpoint\n";
		2390	BDB::db_env_txn_checkpoint $DB_ENV;
		2391	warn "end emergency database checkpoint\n";
		2392	};
		2393
		2394	warn "leave emergency perl save\n";
		2395	}
		2396
		2397	sub post_cleanup {
		2398	my ($make_core) = @_;
		2399
		2400	warn Carp::longmess "post_cleanup backtrace"
		2401	if $make_core;
		2402	}
2029		2403
2030	sub reload() {	2404	sub reload() {
2031	# can/must only be called in main	2405	# can/must only be called in main
2032	if ($Coro::current != $Coro::main) {	2406	if ($Coro::current != $Coro::main) {
2033	warn "can only reload from main coroutine\n";	2407	warn "can only reload from main coroutine";
2034	return;	2408	return;
2035	}	2409	}
2036		2410
2037	warn "reloading...";	2411	warn "reloading...";
2038		2412
2039	my $guard = freeze_mainloop;	2413	warn "entering sync_job";
		2414
		2415	cf::sync_job {
		2416	cf::write_runtime; # external watchdog should not bark
2040	cf::emergency_save;	2417	cf::emergency_save;
		2418	cf::write_runtime; # external watchdog should not bark
2041		2419
2042	eval {	2420	warn "syncing database to disk";
		2421	BDB::db_env_txn_checkpoint $DB_ENV;
		2422
2043	# if anything goes wrong in here, we should simply crash as we already saved	2423	# if anything goes wrong in here, we should simply crash as we already saved
2044		2424
2045	# cancel all watchers	2425	warn "cancelling all WF_AUTOCANCEL watchers";
2046	for (Event::all_watchers) {	2426	for (Event::all_watchers) {
2047	$_->cancel if $_->data & WF_AUTOCANCEL;	2427	$_->cancel if $_->data & WF_AUTOCANCEL;
2048	}	2428	}
2049		2429
		2430	warn "flushing outstanding aio requests";
		2431	for (;;) {
		2432	BDB::flush;
		2433	IO::AIO::flush;
		2434	Coro::cede;
		2435	last unless IO::AIO::nreqs || BDB::nreqs;
		2436	warn "iterate...";
		2437	}
		2438
		2439	++$RELOAD;
		2440
2050	# cancel all extension coros	2441	warn "cancelling all extension coros";
2051	$_->cancel for values %EXT_CORO;	2442	$_->cancel for values %EXT_CORO;
2052	%EXT_CORO = ();	2443	%EXT_CORO = ();
2053		2444
2054	# unload all extensions	2445	warn "removing commands";
2055	for (@exts) {	2446	%COMMAND = ();
		2447
		2448	warn "removing ext commands";
		2449	%EXTCMD = ();
		2450
		2451	warn "unloading/nuking all extensions";
		2452	for my $pkg (@EXTS) {
2056	warn "unloading <$_>";	2453	warn "... unloading $pkg";
2057	unload_extension $_;	2454
		2455	if (my $cb = $pkg->can ("unload")) {
		2456	eval {
		2457	$cb->($pkg);
		2458	1
		2459	} or warn "$pkg unloaded, but with errors: $@";
2058	}	2460	}
2059		2461
		2462	warn "... nuking $pkg";
		2463	Symbol::delete_package $pkg;
		2464	}
		2465
2060	# unload all modules loaded from $LIBDIR	2466	warn "unloading all perl modules loaded from $LIBDIR";
2061	while (my ($k, $v) = each %INC) {	2467	while (my ($k, $v) = each %INC) {
2062	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2468	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063		2469
2064	warn "removing <$k>";	2470	warn "... unloading $k";
2065	delete $INC{$k};	2471	delete $INC{$k};
2066		2472
2067	$k =~ s/\.pm$//;	2473	$k =~ s/\.pm$//;
2068	$k =~ s/\//::/g;	2474	$k =~ s/\//::/g;
2069		2475
…		…
2072	}	2478	}
2073		2479
2074	Symbol::delete_package $k;	2480	Symbol::delete_package $k;
2075	}	2481	}
2076		2482
2077	# sync database to disk
2078	cf::db_sync;
2079	IO::AIO::flush;
2080
2081	# get rid of safe::, as good as possible	2483	warn "getting rid of safe::, as good as possible";
2082	Symbol::delete_package "safe::$_"	2484	Symbol::delete_package "safe::$_"
2083	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2485	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2084		2486
2085	# remove register_script_function callbacks
2086	# TODO
2087
2088	# unload cf.pm "a bit"	2487	warn "unloading cf.pm \"a bit\"";
2089	delete $INC{"cf.pm"};	2488	delete $INC{"cf.pm"};
2090		2489
2091	# don't, removes xs symbols, too,	2490	# don't, removes xs symbols, too,
2092	# and global variables created in xs	2491	# and global variables created in xs
2093	#Symbol::delete_package __PACKAGE__;	2492	#Symbol::delete_package __PACKAGE__;
2094		2493
2095	# reload cf.pm	2494	warn "unload completed, starting to reload now";
		2495
2096	warn "reloading cf.pm";	2496	warn "reloading cf.pm";
2097	require cf;	2497	require cf;
2098	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2498	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2099		2499
2100	# load config and database again	2500	warn "loading config and database again";
2101	cf::cfg_load;	2501	cf::cfg_load;
2102	cf::db_load;
2103		2502
2104	# load extensions
2105	warn "load extensions";	2503	warn "loading extensions";
2106	cf::load_extensions;	2504	cf::load_extensions;
2107		2505
2108	# reattach attachments to objects	2506	warn "reattaching attachments to objects/players";
2109	warn "reattach";	2507	_global_reattach; # objects, sockets
2110	_global_reattach;	2508	warn "reattaching attachments to maps";
2111	};	2509	reattach $_ for values %MAP;
		2510	warn "reattaching attachments to players";
		2511	reattach $_ for values %PLAYER;
2112		2512
2113	if ($@) {	2513	warn "loading reloadable resources";
		2514	reload_resources;
		2515
		2516	warn "leaving sync_job";
		2517
		2518	1
		2519	} or do {
2114	warn $@;	2520	warn $@;
2115	warn "error while reloading, exiting.";	2521	warn "error while reloading, exiting.";
2116	exit 1;	2522	exit 1;
2117	}	2523	};
2118		2524
2119	warn "reloaded successfully";	2525	warn "reloaded";
2120	};	2526	};
2121		2527
2122	#############################################################################	2528	our $RELOAD_WATCHER; # used only during reload
2123
2124	unless ($LINK_MAP) {
2125	$LINK_MAP = cf::map::new;
2126
2127	$LINK_MAP->width (41);
2128	$LINK_MAP->height (41);
2129	$LINK_MAP->alloc;
2130	$LINK_MAP->path ("{link}");
2131	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2132	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2133
2134	# dirty hack because... archetypes are not yet loaded
2135	Event->timer (
2136	after => 2,
2137	cb => sub {
2138	$_[0]->w->cancel;
2139
2140	# provide some exits "home"
2141	my $exit = cf::object::new "exit";
2142
2143	$exit->slaying ($EMERGENCY_POSITION->[0]);
2144	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2145	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2146
2147	$LINK_MAP->insert ($exit->clone, 19, 19);
2148	$LINK_MAP->insert ($exit->clone, 19, 20);
2149	$LINK_MAP->insert ($exit->clone, 19, 21);
2150	$LINK_MAP->insert ($exit->clone, 20, 19);
2151	$LINK_MAP->insert ($exit->clone, 20, 21);
2152	$LINK_MAP->insert ($exit->clone, 21, 19);
2153	$LINK_MAP->insert ($exit->clone, 21, 20);
2154	$LINK_MAP->insert ($exit->clone, 21, 21);
2155
2156	$exit->destroy;
2157	});
2158
2159	$LINK_MAP->{deny_save} = 1;
2160	$LINK_MAP->{deny_reset} = 1;
2161
2162	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2163	}
2164
2165	register "<global>", __PACKAGE__;
2166		2529
2167	register_command "reload" => sub {	2530	register_command "reload" => sub {
2168	my ($who, $arg) = @_;	2531	my ($who, $arg) = @_;
2169		2532
2170	if ($who->flag (FLAG_WIZ)) {	2533	if ($who->flag (FLAG_WIZ)) {
2171	$who->message ("start of reload.");	2534	$who->message ("reloading server.");
		2535
		2536	# doing reload synchronously and two reloads happen back-to-back,
		2537	# coro crashes during coro_state_free->destroy here.
		2538
		2539	$RELOAD_WATCHER ||= Event->timer (
		2540	reentrant => 0,
		2541	after => 0,
		2542	data => WF_AUTOCANCEL,
		2543	cb => sub {
2172	reload;	2544	reload;
2173	$who->message ("end of reload.");	2545	undef $RELOAD_WATCHER;
		2546	},
		2547	);
2174	}	2548	}
2175	};	2549	};
2176		2550
2177	unshift @INC, $LIBDIR;	2551	unshift @INC, $LIBDIR;
		2552
		2553	my $bug_warning = 0;
2178		2554
2179	$TICK_WATCHER = Event->timer (	2555	$TICK_WATCHER = Event->timer (
2180	reentrant => 0,	2556	reentrant => 0,
		2557	parked => 1,
2181	prio => 0,	2558	prio => 0,
2182	at => $NEXT_TICK || $TICK,	2559	at => $NEXT_TICK || $TICK,
2183	data => WF_AUTOCANCEL,	2560	data => WF_AUTOCANCEL,
2184	cb => sub {	2561	cb => sub {
		2562	if ($Coro::current != $Coro::main) {
		2563	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2564	unless ++$bug_warning > 10;
		2565	return;
		2566	}
		2567
		2568	$NOW = Event::time;
		2569
2185	cf::server_tick; # one server iteration	2570	cf::server_tick; # one server iteration
2186	$RUNTIME += $TICK;	2571	$RUNTIME += $TICK;
2187	$NEXT_TICK += $TICK;	2572	$NEXT_TICK += $TICK;
		2573
		2574	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2575	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2576	Coro::async_pool {
		2577	write_runtime
		2578	or warn "ERROR: unable to write runtime file: $!";
		2579	};
		2580	}
		2581
		2582	$WAIT_FOR_TICK->broadcast;
		2583	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2584
		2585	# my $AFTER = Event::time;
		2586	# warn $AFTER - $NOW;#d#
2188		2587
2189	# if we are delayed by four ticks or more, skip them all	2588	# if we are delayed by four ticks or more, skip them all
2190	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2589	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2191		2590
2192	$TICK_WATCHER->at ($NEXT_TICK);	2591	$TICK_WATCHER->at ($NEXT_TICK);
2193	$TICK_WATCHER->start;	2592	$TICK_WATCHER->start;
2194	},	2593	},
2195	);	2594	);
2196		2595
		2596	{
2197	IO::AIO::max_poll_time $TICK * 0.2;	2597	BDB::max_poll_time $TICK * 0.1;
2198		2598	$BDB_POLL_WATCHER = Event->io (
2199	Event->io (	2599	reentrant => 0,
2200	fd => IO::AIO::poll_fileno,	2600	fd => BDB::poll_fileno,
2201	poll => 'r',	2601	poll => 'r',
2202	prio => 5,	2602	prio => 0,
2203	data => WF_AUTOCANCEL,
2204	cb => \&IO::AIO::poll_cb,
2205	);
2206
2207	Event->timer (
2208	data => WF_AUTOCANCEL,	2603	data => WF_AUTOCANCEL,
2209	after => 0,	2604	cb => \&BDB::poll_cb,
2210	interval => 10,	2605	);
2211	cb => sub {	2606	BDB::min_parallel 8;
2212	(Coro::unblock_sub {	2607
2213	write_runtime	2608	BDB::set_sync_prepare {
2214	or warn "ERROR: unable to write runtime file: $!";	2609	my $status;
		2610	my $current = $Coro::current;
		2611	(
		2612	sub {
		2613	$status = $!;
		2614	$current->ready; undef $current;
		2615	},
		2616	sub {
		2617	Coro::schedule while defined $current;
		2618	$! = $status;
		2619	},
		2620	)
		2621	};
		2622
		2623	unless ($DB_ENV) {
		2624	$DB_ENV = BDB::db_env_create;
		2625
		2626	cf::sync_job {
		2627	eval {
		2628	BDB::db_env_open
		2629	$DB_ENV,
		2630	$BDB_ENV_DIR,
		2631	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2632	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2633	0666;
		2634
		2635	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2636
		2637	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2638	$DB_ENV->set_lk_detect;
		2639	};
		2640
		2641	cf::cleanup "db_env_open(db): $@" if $@;
2215	})->();	2642	};
2216	},	2643	}
2217	);	2644	}
		2645
		2646	{
		2647	IO::AIO::min_parallel 8;
		2648
		2649	undef $Coro::AIO::WATCHER;
		2650	IO::AIO::max_poll_time $TICK * 0.1;
		2651	$AIO_POLL_WATCHER = Event->io (
		2652	reentrant => 0,
		2653	data => WF_AUTOCANCEL,
		2654	fd => IO::AIO::poll_fileno,
		2655	poll => 'r',
		2656	prio => 6,
		2657	cb => \&IO::AIO::poll_cb,
		2658	);
		2659	}
2218		2660
2219	END { cf::emergency_save }	2661	END { cf::emergency_save }
2220		2662
2221	1	2663	1
2222		2664

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