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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 1.215 by root, Thu Feb 15 03:19:02 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		39
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		78
57	binmode STDOUT;	79	binmode STDOUT;
58	binmode STDERR;	80	binmode STDERR;
59		81
60	# read virtual server time, if available	82	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	89	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
72		95
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
76		99
77	#############################################################################	100	#############################################################################
78		101
79	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
80		103
…		…
104		127
105	=item %cf::CFG	128	=item %cf::CFG
106		129
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
109		139
110	=back	140	=back
111		141
112	=cut	142	=cut
113		143
…		…
117	utf8::encode $msg;	147	utf8::encode $msg;
118		148
119	$msg .= "\n"	149	$msg .= "\n"
120	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
121		151
122	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
123	};	153	};
124	}	154	}
125		155
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		175
146	$Event::DIED = sub {	176	$Event::DIED = sub {
147	warn "error in event callback: @_";	177	warn "error in event callback: @_";
148	};	178	};
149		179
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
155		181
156	=over 4	182	=over 4
157		183
		184	=item dumpval $ref
		185
158	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
159		206
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		208
162	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
163		210
…		…
224	}	271	}
225		272
226	sub freeze_mainloop {	273	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
228		275
229	my $guard = Coro::guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
230	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
231	$guard	280	$guard
232	}	281	}
233		282
234	=item cf::async { BLOCK }	283	=item cf::async { BLOCK }
…		…
273	warn $@ if $@;	322	warn $@ if $@;
274	undef $busy;	323	undef $busy;
275	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
276		325
277	while ($busy) {	326	while ($busy) {
278	unless (Coro::cede) {	327	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	}	328	}
283		329
284	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
285	} else {	331	} else {
286	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
…		…
289	}	335	}
290	}	336	}
291		337
292	=item $coro = cf::async_ext { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
293		339
294	Like async, but this coro is automcatially being canceled when the	340	Like async, but this coro is automatically being canceled when the
295	extension calling this is being unloaded.	341	extension calling this is being unloaded.
296		342
297	=cut	343	=cut
298		344
299	sub async_ext(&) {	345	sub async_ext(&) {
…		…
313	my $runtime = cf::localdir . "/runtime";	359	my $runtime = cf::localdir . "/runtime";
314		360
315	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
316	or return;	362	or return;
317		363
		364	my $value = $cf::RUNTIME + 90 + 10;
318	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	365	# 10 is the runtime save interval, for a monotonic clock
		366	# 60 allows for the watchdog to kill the server.
		367
319	(aio_write $fh, 0, (length $value), $value, 0) <= 0	368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
320	and return;	369	and return;
321		370
		371	# always fsync - this file is important
322	aio_fsync $fh	372	aio_fsync $fh
323	and return;	373	and return;
324		374
325	close $fh	375	close $fh
326	or return;	376	or return;
…		…
332	}	382	}
333		383
334	=back	384	=back
335		385
336	=cut	386	=cut
337
338	#############################################################################
339
340	package cf::path;
341
342	sub new {
343	my ($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		387
458	#############################################################################	388	#############################################################################
459		389
460	=head2 ATTACHABLE OBJECTS	390	=head2 ATTACHABLE OBJECTS
461		391
…		…
587	our @CB_TYPE = (); # registry for type (cf-object class) based events	517	our @CB_TYPE = (); # registry for type (cf-object class) based events
588	our @CB_MAP = ();	518	our @CB_MAP = ();
589		519
590	my %attachment;	520	my %attachment;
591		521
		522	sub cf::attachable::thawer_merge {
		523	# simply override everything except _meta
		524	local $_[0]{_meta};
		525	%{$_[0]} = %{$_[1]};
		526	}
		527
592	sub _attach_cb($$$$) {	528	sub _attach_cb($$$$) {
593	my ($registry, $event, $prio, $cb) = @_;	529	my ($registry, $event, $prio, $cb) = @_;
594		530
595	use sort 'stable';	531	use sort 'stable';
596		532
…		…
767	# object support	703	# object support
768		704
769	sub reattach {	705	sub reattach {
770	# basically do the same as instantiate, without calling instantiate	706	# basically do the same as instantiate, without calling instantiate
771	my ($obj) = @_;	707	my ($obj) = @_;
		708
		709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		710
773	my $registry = $obj->registry;	711	my $registry = $obj->registry;
774		712
775	@$registry = ();	713	@$registry = ();
776		714
…		…
823	$filename, length $$rdata, scalar @$objs;	761	$filename, length $$rdata, scalar @$objs;
824		762
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh;	766	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	767	close $fh;
830		768
831	if (@$objs) {	769	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	772	my $data = Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	773	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh;	774	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	775	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	776	aio_rename "$filename.pst~", "$filename.pst";
839	}	777	}
840	} else {	778	} else {
841	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
…		…
847	}	785	}
848	} else {	786	} else {
849	aio_unlink $filename;	787	aio_unlink $filename;
850	aio_unlink "$filename.pst";	788	aio_unlink "$filename.pst";
851	}	789	}
		790
		791	#d##TODO# nuke non .map-files if exist
		792	if ($filename =~ s/\.map$//) {
		793	aio_unlink $filename;
		794	aio_unlink "$filename.pst";
		795	}
852	}	796	}
853	}	797	}
854		798
855	sub object_freezer_as_string {	799	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	800	my ($rdata, $objs) = @_;
…		…
862		806
863	sub object_thawer_load {	807	sub object_thawer_load {
864	my ($filename) = @_;	808	my ($filename) = @_;
865		809
866	my ($data, $av);	810	my ($data, $av);
		811
		812	#d#TODO remove .map if file does not exist
		813	aio_stat $filename and $filename =~ s/\.map$//;
867		814
868	(aio_load $filename, $data) >= 0	815	(aio_load $filename, $data) >= 0
869	or return;	816	or return;
870		817
871	unless (aio_stat "$filename.pst") {	818	unless (aio_stat "$filename.pst") {
…		…
908	=cut	855	=cut
909		856
910	sub register_extcmd {	857	sub register_extcmd {
911	my ($name, $cb) = @_;	858	my ($name, $cb) = @_;
912		859
913	my $caller = caller;
914	#warn "registering extcmd '$name' to '$caller'";
915
916	$EXTCMD{$name} = [$cb, $caller];	860	$EXTCMD{$name} = $cb;
917	}	861	}
918		862
919	cf::player->attach (	863	cf::player->attach (
920	on_command => sub {	864	on_command => sub {
921	my ($pl, $name, $params) = @_;	865	my ($pl, $name, $params) = @_;
…		…
934		878
935	my $msg = eval { from_json $buf };	879	my $msg = eval { from_json $buf };
936		880
937	if (ref $msg) {	881	if (ref $msg) {
938	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
939	if (my %reply = $cb->[0]->($pl, $msg)) {	883	if (my %reply = $cb->($pl, $msg)) {
940	$pl->ext_reply ($msg->{msgid}, %reply);	884	$pl->ext_reply ($msg->{msgid}, %reply);
941	}	885	}
942	}	886	}
943	} else {	887	} else {
944	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
946		890
947	cf::override;	891	cf::override;
948	},	892	},
949	);	893	);
950		894
951	sub register {
952	my ($base, $pkg) = @_;
953
954	#TODO
955	}
956
957	sub load_extension {	895	sub load_extension {
958	my ($path) = @_;	896	my ($path) = @_;
959		897
960	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
961	my $base = $1;	899	my $base = $1;
962	my $pkg = $1;	900	my $pkg = $1;
963	$pkg =~ s/[^[:word:]]/_/g;	901	$pkg =~ s/[^[:word:]]/_/g;
964	$pkg = "ext::$pkg";	902	$pkg = "ext::$pkg";
965		903
966	warn "loading '$path' into '$pkg'\n";	904	warn "... loading '$path' into '$pkg'\n";
967		905
968	open my $fh, "<:utf8", $path	906	open my $fh, "<:utf8", $path
969	or die "$path: $!";	907	or die "$path: $!";
970		908
971	my $source =	909	my $source =
972	"package $pkg; use strict; use utf8;\n"	910	"package $pkg; use strict; use utf8;\n"
973	. "#line 1 \"$path\"\n{\n"	911	. "#line 1 \"$path\"\n{\n"
974	. (do { local $/; <$fh> })	912	. (do { local $/; <$fh> })
975	. "\n};\n1";	913	. "\n};\n1";
976		914
977	eval $source	915	unless (eval $source) {
978	or die $@ ? "$path: $@\n"	916	my $msg = $@ ? "$path: $@\n"
979	: "extension disabled.\n";	917	: "extension disabled.\n";
980		918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
981	push @exts, $pkg;	919	warn $@;
982	$ext_pkg{$base} = $pkg;	920	warn "mandatory extension failed to load, exiting.\n";
983		921	exit 1;
984	# no strict 'refs';	922	}
985	# @{"$pkg\::ISA"} = ext::;	923	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	# }	924	}
1000		925
1001	# remove commands	926	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	}	927	}
1026		928
1027	sub load_extensions {	929	sub load_extensions {
1028	for my $ext (<$LIBDIR/*.ext>) {	930	for my $ext (<$LIBDIR/*.ext>) {
1029	next unless -r $ext;	931	next unless -r $ext;
…		…
1033	} or warn "$ext not loaded: $@";	935	} or warn "$ext not loaded: $@";
1034	}	936	}
1035	}	937	}
1036		938
1037	#############################################################################	939	#############################################################################
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		940
1075	=head2 CORE EXTENSIONS	941	=head2 CORE EXTENSIONS
1076		942
1077	Functions and methods that extend core crossfire objects.	943	Functions and methods that extend core crossfire objects.
1078		944
		945	=cut
		946
		947	package cf::player;
		948
		949	use Coro::AIO;
		950
1079	=head3 cf::player	951	=head3 cf::player
1080		952
1081	=over 4	953	=over 4
1082		954
1083	=item cf::player::exists $login	955	=item cf::player::find $login
1084		956
1085	Returns true when the given account exists.	957	Returns the given player object, loading it if necessary (might block).
1086		958
1087	=cut	959	=cut
1088		960
1089	sub cf::player::exists($) {	961	sub playerdir($) {
1090	cf::player::find $_[0]	962	cf::localdir
1091	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	963	. "/"
		964	. cf::playerdir
		965	. "/"
		966	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		967	}
		968
		969	sub path($) {
		970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		971
		972	(playerdir $login) . "/$login.pl"
		973	}
		974
		975	sub find_active($) {
		976	$cf::PLAYER{$_[0]}
		977	and $cf::PLAYER{$_[0]}->active
		978	and $cf::PLAYER{$_[0]}
		979	}
		980
		981	sub exists($) {
		982	my ($login) = @_;
		983
		984	$cf::PLAYER{$login}
		985	or cf::sync_job { !aio_stat path $login }
		986	}
		987
		988	sub find($) {
		989	return $cf::PLAYER{$_[0]} || do {
		990	my $login = $_[0];
		991
		992	my $guard = cf::lock_acquire "user_find:$login";
		993
		994	$cf::PLAYER{$_[0]} || do {
		995	my $pl = load_pl path $login
		996	or return;
		997	$cf::PLAYER{$login} = $pl
		998	}
		999	}
		1000	}
		1001
		1002	sub save($) {
		1003	my ($pl) = @_;
		1004
		1005	return if $pl->{deny_save};
		1006
		1007	my $path = path $pl;
		1008	my $guard = cf::lock_acquire "user_save:$path";
		1009
		1010	return if $pl->{deny_save};
		1011
		1012	aio_mkdir playerdir $pl, 0770;
		1013	$pl->{last_save} = $cf::RUNTIME;
		1014
		1015	$pl->save_pl ($path);
		1016	Coro::cede;
		1017	}
		1018
		1019	sub new($) {
		1020	my ($login) = @_;
		1021
		1022	my $self = create;
		1023
		1024	$self->ob->name ($login);
		1025	$self->{deny_save} = 1;
		1026
		1027	$cf::PLAYER{$login} = $self;
		1028
		1029	$self
		1030	}
		1031
		1032	=item $pl->quit_character
		1033
		1034	Nukes the player without looking back. If logged in, the connection will
		1035	be destroyed. May block for a long time.
		1036
		1037	=cut
		1038
		1039	sub quit_character {
		1040	my ($pl) = @_;
		1041
		1042	$pl->{deny_save} = 1;
		1043	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1044
		1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1046	$pl->deactivate;
		1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1048	$pl->ns->destroy if $pl->ns;
		1049
		1050	my $path = playerdir $pl;
		1051	my $temp = "$path~$cf::RUNTIME~deleting~";
		1052	aio_rename $path, $temp;
		1053	delete $cf::PLAYER{$pl->ob->name};
		1054	$pl->destroy;
		1055	IO::AIO::aio_rmtree $temp;
		1056	}
		1057
		1058	=item cf::player::list_logins
		1059
		1060	Returns am arrayref of all valid playernames in the system, can take a
		1061	while and may block, so not sync_job-capable, ever.
		1062
		1063	=cut
		1064
		1065	sub list_logins {
		1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1067	or return [];
		1068
		1069	my @logins;
		1070
		1071	for my $login (@$dirs) {
		1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1073	aio_read $fh, 0, 512, my $buf, 0 or next;
		1074	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1075
		1076	utf8::decode $login;
		1077	push @logins, $login;
		1078	}
		1079
		1080	\@logins
		1081	}
		1082
		1083	=item $player->maps
		1084
		1085	Returns an arrayref of map paths that are private for this
		1086	player. May block.
		1087
		1088	=cut
		1089
		1090	sub maps($) {
		1091	my ($pl) = @_;
		1092
		1093	$pl = ref $pl ? $pl->ob->name : $pl;
		1094
		1095	my $files = aio_readdir playerdir $pl
		1096	or return;
		1097
		1098	my @paths;
		1099
		1100	for (@$files) {
		1101	utf8::decode $_;
		1102	next if /\.(?:pl|pst)$/;
		1103	next unless /^$PATH_SEP/o;
		1104
		1105	push @paths, cf::map::normalise "~$pl/$_";
		1106	}
		1107
		1108	\@paths
1092	}	1109	}
1093		1110
1094	=item $player->ext_reply ($msgid, $msgtype, %msg)	1111	=item $player->ext_reply ($msgid, $msgtype, %msg)
1095		1112
1096	Sends an ext reply to the player.	1113	Sends an ext reply to the player.
1097		1114
1098	=cut	1115	=cut
1099		1116
1100	sub cf::player::ext_reply($$$%) {	1117	sub ext_reply($$$%) {
1101	my ($self, $id, %msg) = @_;	1118	my ($self, $id, %msg) = @_;
1102		1119
1103	$msg{msgid} = $id;	1120	$msg{msgid} = $id;
1104		1121
1105	$self->send ("ext " . to_json \%msg);	1122	$self->send ("ext " . cf::to_json \%msg);
1106	}	1123	}
		1124
		1125	package cf;
1107		1126
1108	=back	1127	=back
1109		1128
1110		1129
1111	=head3 cf::map	1130	=head3 cf::map
…		…
1117	package cf::map;	1136	package cf::map;
1118		1137
1119	use Fcntl;	1138	use Fcntl;
1120	use Coro::AIO;	1139	use Coro::AIO;
1121		1140
		1141	use overload
		1142	'""' => \&as_string,
		1143	fallback => 1;
		1144
1122	our $MAX_RESET = 3600;	1145	our $MAX_RESET = 3600;
1123	our $DEFAULT_RESET = 3000;	1146	our $DEFAULT_RESET = 3000;
1124		1147
1125	sub generate_random_map {	1148	sub generate_random_map {
1126	my ($path, $rmp) = @_;	1149	my ($self, $rmp) = @_;
1127
1128	# mit "rum" bekleckern, nicht	1150	# mit "rum" bekleckern, nicht
1129	cf::map::_create_random_map	1151	$self->_create_random_map (
1130	$path,
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1155	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1156	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1159	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1160	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1161	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region})	1162	(cf::region::find $rmp->{region}), $rmp->{custom}
		1163	)
		1164	}
		1165
		1166	=item cf::map->register ($regex, $prio)
		1167
		1168	Register a handler for the map path matching the given regex at the
		1169	givne priority (higher is better, built-in handlers have priority 0, the
		1170	default).
		1171
		1172	=cut
		1173
		1174	sub register {
		1175	my (undef, $regex, $prio) = @_;
		1176	my $pkg = caller;
		1177
		1178	no strict;
		1179	push @{"$pkg\::ISA"}, __PACKAGE__;
		1180
		1181	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1182	}
		1183
		1184	# also paths starting with '/'
		1185	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1186
		1187	sub thawer_merge {
		1188	my ($self, $merge) = @_;
		1189
		1190	# we have to keep some variables in memory intact
		1191	local $self->{path};
		1192	local $self->{load_path};
		1193	local $self->{deny_save};
		1194	local $self->{deny_reset};
		1195
		1196	$self->SUPER::thawer_merge ($merge);
		1197	}
		1198
		1199	sub normalise {
		1200	my ($path, $base) = @_;
		1201
		1202	$path = "$path"; # make sure its a string
		1203
		1204	$path =~ s/\.map$//;
		1205
		1206	# map plan:
		1207	#
		1208	# /! non-realised random map exit (special hack!)
		1209	# {... are special paths that are not being touched
		1210	# ?xxx/... are special absolute paths
		1211	# ?random/... random maps
		1212	# /... normal maps
		1213	# ~user/... per-player map of a specific user
		1214
		1215	$path =~ s/$PATH_SEP/\//go;
		1216
		1217	# treat it as relative path if it starts with
		1218	# something that looks reasonable
		1219	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1220	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1221
		1222	$base =~ s{[^/]+/?$}{};
		1223	$path = "$base/$path";
		1224	}
		1225
		1226	for ($path) {
		1227	redo if s{//}{/};
		1228	redo if s{/\.?/}{/};
		1229	redo if s{/[^/]+/\.\./}{/};
		1230	}
		1231
		1232	$path
		1233	}
		1234
		1235	sub new_from_path {
		1236	my (undef, $path, $base) = @_;
		1237
		1238	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1239
		1240	$path = normalise $path, $base;
		1241
		1242	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1243	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1244	my $self = bless cf::map::new, $pkg;
		1245	$self->{path} = $path; $self->path ($path);
		1246	$self->init; # pass $1 etc.
		1247	return $self;
		1248	}
		1249	}
		1250
		1251	Carp::carp "unable to resolve path '$path' (base '$base').";
		1252	()
		1253	}
		1254
		1255	sub init {
		1256	my ($self) = @_;
		1257
		1258	$self
		1259	}
		1260
		1261	sub as_string {
		1262	my ($self) = @_;
		1263
		1264	"$self->{path}"
		1265	}
		1266
		1267	# the displayed name, this is a one way mapping
		1268	sub visible_name {
		1269	&as_string
		1270	}
		1271
		1272	# the original (read-only) location
		1273	sub load_path {
		1274	my ($self) = @_;
		1275
		1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1277	}
		1278
		1279	# the temporary/swap location
		1280	sub save_path {
		1281	my ($self) = @_;
		1282
		1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1285	}
		1286
		1287	# the unique path, undef == no special unique path
		1288	sub uniq_path {
		1289	my ($self) = @_;
		1290
		1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1142	}	1293	}
1143		1294
1144	# and all this just because we cannot iterate over	1295	# and all this just because we cannot iterate over
1145	# all maps in C++...	1296	# all maps in C++...
1146	sub change_all_map_light {	1297	sub change_all_map_light {
…		…
1148		1299
1149	$_->change_map_light ($change)	1300	$_->change_map_light ($change)
1150	for grep $_->outdoor, values %cf::MAP;	1301	for grep $_->outdoor, values %cf::MAP;
1151	}	1302	}
1152		1303
		1304	sub unlink_save {
		1305	my ($self) = @_;
		1306
		1307	utf8::encode (my $save = $self->save_path);
		1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1310
		1311	#d#TODO remove .map and also nuke
		1312	$save =~ s/\.map// or return;#d#
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1315	}
		1316
1153	sub try_load_header($) {	1317	sub load_header_from($) {
1154	my ($path) = @_;	1318	my ($self, $path) = @_;
1155		1319
1156	utf8::encode $path;	1320	utf8::encode $path;
1157	aio_open $path, O_RDONLY, 0	1321	#aio_open $path, O_RDONLY, 0
		1322	# or return;
		1323
		1324	$self->_load_header ($path)
1158	or return;	1325	or return;
1159		1326
1160	my $map = cf::map::new	1327	$self->{load_path} = $path;
		1328
		1329	1
		1330	}
		1331
		1332	sub load_header_orig {
		1333	my ($self) = @_;
		1334
		1335	$self->load_header_from ($self->load_path)
		1336	}
		1337
		1338	sub load_header_temp {
		1339	my ($self) = @_;
		1340
		1341	$self->load_header_from ($self->save_path)
		1342	}
		1343
		1344	sub prepare_temp {
		1345	my ($self) = @_;
		1346
		1347	$self->last_access ((delete $self->{last_access})
		1348	|| $cf::RUNTIME); #d#
		1349	# safety
		1350	$self->{instantiate_time} = $cf::RUNTIME
		1351	if $self->{instantiate_time} > $cf::RUNTIME;
		1352	}
		1353
		1354	sub prepare_orig {
		1355	my ($self) = @_;
		1356
		1357	$self->{load_original} = 1;
		1358	$self->{instantiate_time} = $cf::RUNTIME;
		1359	$self->last_access ($cf::RUNTIME);
		1360	$self->instantiate;
		1361	}
		1362
		1363	sub load_header {
		1364	my ($self) = @_;
		1365
		1366	if ($self->load_header_temp) {
		1367	$self->prepare_temp;
		1368	} else {
		1369	$self->load_header_orig
1161	or return;	1370	or return;
		1371	$self->prepare_orig;
		1372	}
1162		1373
1163	# for better error messages only, will be overwritten	1374	1
1164	$map->path ($path);
1165
1166	$map->load_header ($path)
1167	or return;
1168
1169	$map->{load_path} = $path;
1170
1171	$map
1172	}	1375	}
1173		1376
1174	sub find;	1377	sub find;
1175	sub find {	1378	sub find {
1176	my ($path, $origin) = @_;	1379	my ($path, $origin) = @_;
1177		1380
1178	#warn "find<$path,$origin>\n";#d#
1179
1180	$path = new cf::path $path, $origin && $origin->path;	1381	$path = normalise $path, $origin && $origin->path;
1181	my $key = $path->as_string;
1182		1382
1183	cf::lock_wait "map_find:$key";	1383	cf::lock_wait "map_find:$path";
1184		1384
1185	$cf::MAP{$key} || do {	1385	$cf::MAP{$path} || do {
1186	my $guard = cf::lock_acquire "map_find:$key";	1386	my $guard = cf::lock_acquire "map_find:$path";
1187		1387	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;	1388	or return;
1207		1389
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;	1390	$map->{last_save} = $cf::RUNTIME;
1220		1391
1221	Coro::cede;	1392	$map->load_header
		1393	or return;
1222		1394
1223	if ($map->should_reset) {	1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1396	# doing this can freeze the server in a sync job, obviously
		1397	#$cf::WAIT_FOR_TICK->wait;
1224	$map->reset;	1398	$map->reset;
1225	undef $guard;	1399	undef $guard;
1226	$map = find $path	1400	return find $path;
1227	or return;
1228	}	1401	}
1229		1402
1230	$cf::MAP{$key} = $map	1403	$cf::MAP{$path} = $map
1231	}	1404	}
1232	}	1405	}
		1406
		1407	sub pre_load { }
		1408	sub post_load { }
1233		1409
1234	sub load {	1410	sub load {
1235	my ($self) = @_;	1411	my ($self) = @_;
1236		1412
		1413	local $self->{deny_reset} = 1; # loading can take a long time
		1414
1237	my $path = $self->{path};	1415	my $path = $self->{path};
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1416	my $guard = cf::lock_acquire "map_load:$path";
1239		1417
1240	return if $self->in_memory != cf::MAP_SWAPPED;	1418	return if $self->in_memory != cf::MAP_SWAPPED;
1241		1419
1242	$self->in_memory (cf::MAP_LOADING);	1420	$self->in_memory (cf::MAP_LOADING);
1243		1421
1244	$self->alloc;	1422	$self->alloc;
		1423
		1424	$self->pre_load;
		1425
1245	$self->load_objects ($self->{load_path}, 1)	1426	$self->_load_objects ($self->{load_path}, 1)
1246	or return;	1427	or return;
1247		1428
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249	if delete $self->{load_original};	1430	if delete $self->{load_original};
1250		1431
1251	if (my $uniq = $path->uniq_path) {	1432	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	1433	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	1434	if (aio_open $uniq, O_RDONLY, 0) {
1254	$self->clear_unique_items;	1435	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	1436	$self->_load_objects ($uniq, 0);
1256	}	1437	}
1257	}	1438	}
1258		1439
1259	Coro::cede;	1440	Coro::cede;
1260		1441
1261	# now do the right thing for maps	1442	# now do the right thing for maps
1262	$self->link_multipart_objects;	1443	$self->link_multipart_objects;
1263		1444
1264	if ($self->{path}->is_style_map) {	1445	unless ($self->{deny_activate}) {
1265	$self->{deny_save} = 1;	1446	$self->decay_objects;
1266	$self->{deny_reset} = 1;
1267	} else {
1268	$self->fix_auto_apply;	1447	$self->fix_auto_apply;
1269	$self->decay_objects;
1270	$self->update_buttons;	1448	$self->update_buttons;
		1449	Coro::cede;
1271	$self->set_darkness_map;	1450	$self->set_darkness_map;
1272	$self->difficulty ($self->estimate_difficulty)	1451	$self->difficulty ($self->estimate_difficulty)
1273	unless $self->difficulty;	1452	unless $self->difficulty;
		1453	Coro::cede;
1274	$self->activate;	1454	$self->activate;
1275	}	1455	}
1276		1456
1277	Coro::cede;	1457	$self->post_load;
1278		1458
1279	$self->in_memory (cf::MAP_IN_MEMORY);	1459	$self->in_memory (cf::MAP_IN_MEMORY);
		1460	}
		1461
		1462	sub customise_for {
		1463	my ($self, $ob) = @_;
		1464
		1465	return find "~" . $ob->name . "/" . $self->{path}
		1466	if $self->per_player;
		1467
		1468	$self
		1469	}
		1470
		1471	# find and load all maps in the 3x3 area around a map
		1472	sub load_diag {
		1473	my ($map) = @_;
		1474
		1475	my @diag; # diagonal neighbours
		1476
		1477	for (0 .. 3) {
		1478	my $neigh = $map->tile_path ($_)
		1479	or next;
		1480	$neigh = find $neigh, $map
		1481	or next;
		1482	$neigh->load;
		1483
		1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1486	}
		1487
		1488	for (@diag) {
		1489	my $neigh = find @$_
		1490	or next;
		1491	$neigh->load;
		1492	}
1280	}	1493	}
1281		1494
1282	sub find_sync {	1495	sub find_sync {
1283	my ($path, $origin) = @_;	1496	my ($path, $origin) = @_;
1284		1497
1285	cf::sync_job { cf::map::find $path, $origin }	1498	cf::sync_job { find $path, $origin }
1286	}	1499	}
1287		1500
1288	sub do_load_sync {	1501	sub do_load_sync {
1289	my ($map) = @_;	1502	my ($map) = @_;
1290		1503
1291	cf::sync_job { $map->load };	1504	cf::sync_job { $map->load };
1292	}	1505	}
1293		1506
		1507	our %MAP_PREFETCH;
		1508	our $MAP_PREFETCHER = undef;
		1509
		1510	sub find_async {
		1511	my ($path, $origin) = @_;
		1512
		1513	$path = normalise $path, $origin && $origin->{path};
		1514
		1515	if (my $map = $cf::MAP{$path}) {
		1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1517	}
		1518
		1519	undef $MAP_PREFETCH{$path};
		1520	$MAP_PREFETCHER ||= cf::async {
		1521	while (%MAP_PREFETCH) {
		1522	for my $path (keys %MAP_PREFETCH) {
		1523	my $map = find $path
		1524	or next;
		1525	$map->load;
		1526
		1527	delete $MAP_PREFETCH{$path};
		1528	}
		1529	}
		1530	undef $MAP_PREFETCHER;
		1531	};
		1532	$MAP_PREFETCHER->prio (6);
		1533
		1534	()
		1535	}
		1536
1294	sub save {	1537	sub save {
1295	my ($self) = @_;	1538	my ($self) = @_;
1296		1539
1297	my $lock = cf::lock_acquire "map_data:" . $self->path;	1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
1298		1541
1299	$self->{last_save} = $cf::RUNTIME;	1542	$self->{last_save} = $cf::RUNTIME;
1300		1543
1301	return unless $self->dirty;	1544	return unless $self->dirty;
1302		1545
1303	my $save = $self->{path}->save_path; utf8::encode $save;	1546	my $save = $self->save_path; utf8::encode $save;
1304	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1547	my $uniq = $self->uniq_path; utf8::encode $uniq;
1305		1548
1306	$self->{load_path} = $save;	1549	$self->{load_path} = $save;
1307		1550
1308	return if $self->{deny_save};	1551	return if $self->{deny_save};
1309		1552
1310	local $self->{last_access} = $self->last_access;#d#	1553	local $self->{last_access} = $self->last_access;#d#
1311		1554
		1555	cf::async {
		1556	$_->contr->save for $self->players;
		1557	};
		1558
1312	if ($uniq) {	1559	if ($uniq) {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314	$self->save_objects ($uniq, cf::IO_UNIQUES);	1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1315	} else {	1562	} else {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1563	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1317	}	1564	}
1318	}	1565	}
1319		1566
1320	sub swap_out {	1567	sub swap_out {
1321	my ($self) = @_;	1568	my ($self) = @_;
…		…
1335		1582
1336	sub reset_at {	1583	sub reset_at {
1337	my ($self) = @_;	1584	my ($self) = @_;
1338		1585
1339	# TODO: safety, remove and allow resettable per-player maps	1586	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1588	return 1e99 if $self->{deny_reset};
1342		1589
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1592
…		…
1350	my ($self) = @_;	1597	my ($self) = @_;
1351		1598
1352	$self->reset_at <= $cf::RUNTIME	1599	$self->reset_at <= $cf::RUNTIME
1353	}	1600	}
1354		1601
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 {	1602	sub reset {
1377	my ($self) = @_;	1603	my ($self) = @_;
1378		1604
1379	my $lock = cf::lock_acquire "map_data:" . $self->path;	1605	my $lock = cf::lock_acquire "map_data:$self->{path}";
1380		1606
1381	return if $self->players;	1607	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1608	return if $self->isa ("ext::map_per_player");#d#
1383		1609
1384	warn "resetting map ", $self->path;#d#	1610	warn "resetting map ", $self->path;#d#
1385		1611
		1612	$self->in_memory (cf::MAP_SWAPPED);
		1613
		1614	# need to save uniques path
		1615	unless ($self->{deny_save}) {
		1616	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1617
		1618	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1619	if $uniq;
		1620	}
		1621
1386	delete $cf::MAP{$self->path};	1622	delete $cf::MAP{$self->path};
		1623
		1624	$self->clear;
1387		1625
1388	$_->clear_links_to ($self) for values %cf::MAP;	1626	$_->clear_links_to ($self) for values %cf::MAP;
1389		1627
1390	$self->unlink_save;	1628	$self->unlink_save;
1391	$self->destroy;	1629	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1632	my $nuke_counter = "aaaa";
1395		1633
1396	sub nuke {	1634	sub nuke {
1397	my ($self) = @_;	1635	my ($self) = @_;
1398		1636
		1637	delete $cf::MAP{$self->path};
		1638
		1639	$self->unlink_save;
		1640
		1641	bless $self, "cf::map";
		1642	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1643	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1644	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1646
		1647	$cf::MAP{$self->path} = $self;
		1648
1402	$self->reset; # polite request, might not happen	1649	$self->reset; # polite request, might not happen
1403	}	1650	}
1404		1651
1405	sub customise_for {	1652	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1653
1408	if ($map->per_player) {	1654	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1655	instantiated unique items. May block.
1410	}
1411		1656
1412	$map	1657	=cut
1413	}
1414		1658
1415	sub emergency_save {	1659	sub unique_maps() {
1416	my $freeze_guard = cf::freeze_mainloop;	1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1661	or return;
1417		1662
1418	warn "enter emergency map save\n";	1663	my @paths;
1419		1664
1420	cf::sync_job {	1665	for (@$files) {
1421	warn "begin emergency map save\n";	1666	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1667	next if /\.pst$/;
		1668	next unless /^$PATH_SEP/o;
		1669
		1670	push @paths, cf::map::normalise $_;
1423	};	1671	}
1424		1672
1425	warn "end emergency map save\n";	1673	\@paths
1426	}	1674	}
1427		1675
1428	package cf;	1676	package cf;
1429		1677
1430	=back	1678	=back
1431		1679
		1680	=head3 cf::object
		1681
		1682	=cut
		1683
		1684	package cf::object;
		1685
		1686	=over 4
		1687
		1688	=item $ob->inv_recursive
		1689
		1690	Returns the inventory of the object _and_ their inventories, recursively.
		1691
		1692	=cut
		1693
		1694	sub inv_recursive_;
		1695	sub inv_recursive_ {
		1696	map { $_, inv_recursive_ $_->inv } @_
		1697	}
		1698
		1699	sub inv_recursive {
		1700	inv_recursive_ inv $_[0]
		1701	}
		1702
		1703	package cf;
		1704
		1705	=back
1432		1706
1433	=head3 cf::object::player	1707	=head3 cf::object::player
1434		1708
1435	=over 4	1709	=over 4
1436		1710
…		…
1476		1750
1477	=item $player_object->enter_link	1751	=item $player_object->enter_link
1478		1752
1479	Freezes the player and moves him/her to a special map (C<{link}>).	1753	Freezes the player and moves him/her to a special map (C<{link}>).
1480		1754
1481	The player should be reaosnably safe there for short amounts of time. You	1755	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.	1756	I<MUST> call C<leave_link> as soon as possible, though.
1483		1757
		1758	Will never block.
		1759
1484	=item $player_object->leave_link ($map, $x, $y)	1760	=item $player_object->leave_link ($map, $x, $y)
1485		1761
1486	Moves the player out of the specila link map onto the given map. If the	1762	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	1763	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,	1764	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1765	fails, to the emergency map position.
1490		1766
1491	Might block.	1767	Might block.
1492		1768
1493	=cut	1769	=cut
		1770
		1771	sub link_map {
		1772	unless ($LINK_MAP) {
		1773	$LINK_MAP = cf::map::find "{link}"
		1774	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1775	$LINK_MAP->load;
		1776	}
		1777
		1778	$LINK_MAP
		1779	}
1494		1780
1495	sub cf::object::player::enter_link {	1781	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1782	my ($self) = @_;
1497		1783
1498	$self->deactivate_recursive;	1784	$self->deactivate_recursive;
1499		1785
1500	return if $self->map == $LINK_MAP;	1786	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1787
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1789	if $self->map;
1504		1790
1505	$self->enter_map ($LINK_MAP, 20, 20);	1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1792	}
1507		1793
1508	sub cf::object::player::leave_link {	1794	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1795	my ($self, $map, $x, $y) = @_;
1510		1796
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1814	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1815	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1816	if $x <=0 && $y <= 0;
1531		1817
1532	$map->load;	1818	$map->load;
		1819	$map->load_diag;
1533		1820
		1821	return unless $self->contr->active;
1534	$self->activate_recursive;	1822	$self->activate_recursive;
		1823
		1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1535	$self->enter_map ($map, $x, $y);	1825	$self->enter_map ($map, $x, $y);
1536	}	1826	}
1537		1827
1538	cf::player->attach (	1828	cf::player->attach (
1539	on_logout => sub {	1829	on_logout => sub {
…		…
1550	my ($pl) = @_;	1840	my ($pl) = @_;
1551		1841
1552	# try to abort aborted map switching on player login :)	1842	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1843	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1844	if ($pl->ob->{_link_pos}) {
1555
1556	$pl->ob->enter_link;	1845	$pl->ob->enter_link;
1557	(async {	1846	(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,	1847	$pl->ob->reply (undef,
1561	"There was an internal problem at your last logout, "	1848	"There was an internal problem at your last logout, "
1562	. "the server will try to bring you to your intended destination in a second.",	1849	. "the server will try to bring you to your intended destination in a second.",
1563	cf::NDI_RED);	1850	cf::NDI_RED);
		1851	# we need this sleep as the login has a concurrent enter_exit running
		1852	# and this sleep increases chances of the player not ending up in scorn
1564	Coro::Timer::sleep 1;	1853	Coro::Timer::sleep 1;
1565	$pl->ob->leave_link;	1854	$pl->ob->leave_link;
1566	})->prio (2);	1855	})->prio (2);
1567	}	1856	}
1568	},	1857	},
…		…
1576	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1577		1866
1578	$self->enter_link;	1867	$self->enter_link;
1579		1868
1580	(async {	1869	(async {
1581	$path = new cf::path $path;	1870	my $map = eval {
1582
1583	my $map = cf::map::find $path->as_string;	1871	my $map = cf::map::find $path;
1584	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1585		1873	$map
1586	# warn "entering ", $map->path, " at ($x, $y)\n"	1874	} or
1587	# if $map;
1588
1589	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1590		1876
1591	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1592	})->prio (1);	1878	})->prio (1);
1593	}	1879	}
1594		1880
…		…
1598		1884
1599	sub parse_random_map_params {	1885	sub parse_random_map_params {
1600	my ($spec) = @_;	1886	my ($spec) = @_;
1601		1887
1602	my $rmp = { # defaults	1888	my $rmp = { # defaults
1603	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1604	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1605	};	1893	};
1606		1894
1607	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1608	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1609		1897
…		…
1613	$rmp	1901	$rmp
1614	}	1902	}
1615		1903
1616	sub prepare_random_map {	1904	sub prepare_random_map {
1617	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1618		1908
1619	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1620	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1621	# that depends on the exit object	1911	# that depends on the exit object
1622		1912
1623	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1624		1914
1625	if ($exit->map) {	1915	if ($exit->map) {
1626	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1627	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1628	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1629	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1630	}	1920	}
1631		1921
1632	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1633		1923
1634	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1635	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1636		1927
1637	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1638	aio_write $fh, 0, (length $data), $data, 0;	1929	aio_write $fh, 0, (length $data), $data, 0;
		1930	undef $fh;
		1931	aio_rename "$meta~", $meta;
1639		1932
1640	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1641	$exit->msg (undef);	1934	$exit->msg (undef);
1642	}	1935	}
1643	}	1936	}
1644		1937
1645	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1646	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1647		1940
1648	return unless $self->type == cf::PLAYER;	1941	return unless $self->type == cf::PLAYER;
		1942
		1943	if ($exit->slaying eq "/!") {
		1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1945	cf::sync_job { prepare_random_map $exit };
		1946	}
		1947
		1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1949	my $hp = $exit->stats->hp;
		1950	my $sp = $exit->stats->sp;
1649		1951
1650	$self->enter_link;	1952	$self->enter_link;
1651		1953
1652	(async {	1954	(async {
1653	$self->deactivate_recursive; # just to be sure	1955	$self->deactivate_recursive; # just to be sure
1654	unless (eval {	1956	unless (eval {
1655	prepare_random_map $exit	1957	$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		1958
1661	1;	1959	1;
1662	}) {	1960	}) {
1663	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1664	. "I'll try to bring you back to the map you were before. "	1962	. "I'll try to bring you back to the map you were before. "
1665	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1666	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1667		1965
1668	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1669	$self->leave_link;	1967	$self->leave_link;
1670	}	1968	}
…		…
1725	# get handled first	2023	# get handled first
1726	my $queue = delete $ns->{query_queue}	2024	my $queue = delete $ns->{query_queue}
1727	or return; # be conservative, not sure how that can happen, but we saw a crash here	2025	or return; # be conservative, not sure how that can happen, but we saw a crash here
1728		2026
1729	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1730		2029
1731	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1732		2031
1733	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1734	if (@$queue) {	2033	if (@$queue) {
…		…
1895	The parameter C<$family> should best start with the name of the extension	2194	The parameter C<$family> should best start with the name of the extension
1896	using it, it should be unique.	2195	using it, it should be unique.
1897		2196
1898	=over 4	2197	=over 4
1899		2198
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	2199	=item $value = cf::db_get $family => $key
1907		2200
1908	Returns a single value from the database	2201	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		2202
1915	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
1916		2204
1917	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	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		2206
1928	=cut	2207	=cut
1929		2208
1930	our $DB;	2209	our $DB;
1931		2210
1932	{	2211	sub db_init {
		2212	unless ($DB) {
		2213	$DB = BDB::db_create $DB_ENV;
		2214
		2215	cf::sync_job {
		2216	eval {
		2217	$DB->set_flags (BDB::CHKSUM);
		2218
		2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2221	cf::cleanup "db_open(db): $!" if $!;
		2222	};
		2223	cf::cleanup "db_open(db): $@" if $@;
		2224	};
		2225
1933	my $path = cf::localdir . "/database.pst";	2226	my $path = cf::localdir . "/database.pst";
		2227	if (stat $path) {
		2228	cf::sync_job {
		2229	my $pst = Storable::retrieve $path;
1934		2230
1935	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
1936	$DB = stat $path ? Storable::retrieve $path : { };	2232	cf::db_put (guildrules => data => $pst->{guildrules});
1937	}	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
		2234	BDB::db_env_txn_checkpoint $DB_ENV;
1938		2235
1939	my $pid;	2236	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	}	2237	};
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	},	2238	}
1987	);	2239	}
		2240	}
		2241
		2242	sub db_get($$) {
		2243	my $key = "$_[0]/$_[1]";
		2244
		2245	cf::sync_job {
		2246	BDB::db_get $DB, undef, $key, my $data;
		2247
		2248	$! ? ()
		2249	: Compress::LZF::sthaw $data
		2250	}
		2251	}
		2252
		2253	sub db_put($$$) {
		2254	BDB::dbreq_pri 4;
		2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1988	}	2256	}
1989		2257
1990	#############################################################################	2258	#############################################################################
1991	# the server's main()	2259	# the server's init and main functions
		2260
		2261	sub load_resources {
		2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2263	or die "unable to load regions file\n";#d#
		2264	}
1992		2265
1993	sub cfg_load {	2266	sub cfg_load {
1994	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
1995	or return;	2268	or return;
1996		2269
…		…
2002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2275	$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};	2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2004		2277
2005	if (exists $CFG{mlockall}) {	2278	if (exists $CFG{mlockall}) {
2006	eval {	2279	eval {
2007	$CFG{mlockall} ? &mlockall : &munlockall	2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008	and die "WARNING: m(un)lockall failed: $!\n";	2281	and die "WARNING: m(un)lockall failed: $!\n";
2009	};	2282	};
2010	warn $@ if $@;	2283	warn $@ if $@;
2011	}	2284	}
		2285	}
		2286
		2287	sub init {
		2288	load_resources;
2012	}	2289	}
2013		2290
2014	sub main {	2291	sub main {
2015	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
2016	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
2017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2295	(async {
2018	async { Event::one_event };	2296	Event::one_event;
		2297	})->prio (Coro::PRIO_MAX);
2019	};	2298	};
2020		2299
2021	cfg_load;	2300	cfg_load;
2022	db_load;	2301	db_init;
2023	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
2024	Event::loop;	2305	Event::loop;
2025	}	2306	}
2026		2307
2027	#############################################################################	2308	#############################################################################
2028	# initialisation	2309	# initialisation and cleanup
		2310
		2311	# install some emergency cleanup handlers
		2312	BEGIN {
		2313	for my $signal (qw(INT HUP TERM)) {
		2314	Event->signal (
		2315	reentrant => 0,
		2316	data => WF_AUTOCANCEL,
		2317	signal => $signal,
		2318	prio => 0,
		2319	cb => sub {
		2320	cf::cleanup "SIG$signal";
		2321	},
		2322	);
		2323	}
		2324	}
		2325
		2326	sub emergency_save() {
		2327	my $freeze_guard = cf::freeze_mainloop;
		2328
		2329	warn "enter emergency perl save\n";
		2330
		2331	cf::sync_job {
		2332	# use a peculiar iteration method to avoid tripping on perl
		2333	# refcount bugs in for. also avoids problems with players
		2334	# and maps saved/destroyed asynchronously.
		2335	warn "begin emergency player save\n";
		2336	for my $login (keys %cf::PLAYER) {
		2337	my $pl = $cf::PLAYER{$login} or next;
		2338	$pl->valid or next;
		2339	$pl->save;
		2340	}
		2341	warn "end emergency player save\n";
		2342
		2343	warn "begin emergency map save\n";
		2344	for my $path (keys %cf::MAP) {
		2345	my $map = $cf::MAP{$path} or next;
		2346	$map->valid or next;
		2347	$map->save;
		2348	}
		2349	warn "end emergency map save\n";
		2350
		2351	warn "begin emergency database checkpoint\n";
		2352	BDB::db_env_txn_checkpoint $DB_ENV;
		2353	warn "end emergency database checkpoint\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
		2358
		2359	sub post_cleanup {
		2360	my ($make_core) = @_;
		2361
		2362	warn Carp::longmess "post_cleanup backtrace"
		2363	if $make_core;
		2364	}
2029		2365
2030	sub reload() {	2366	sub reload() {
2031	# can/must only be called in main	2367	# can/must only be called in main
2032	if ($Coro::current != $Coro::main) {	2368	if ($Coro::current != $Coro::main) {
2033	warn "can only reload from main coroutine\n";	2369	warn "can only reload from main coroutine";
2034	return;	2370	return;
2035	}	2371	}
2036		2372
2037	warn "reloading...";	2373	warn "reloading...";
2038		2374
2039	my $guard = freeze_mainloop;	2375	warn "entering sync_job";
		2376
		2377	cf::sync_job {
		2378	cf::write_runtime; # external watchdog should not bark
2040	cf::emergency_save;	2379	cf::emergency_save;
		2380	cf::write_runtime; # external watchdog should not bark
2041		2381
2042	eval {	2382	warn "syncing database to disk";
		2383	BDB::db_env_txn_checkpoint $DB_ENV;
		2384
2043	# if anything goes wrong in here, we should simply crash as we already saved	2385	# if anything goes wrong in here, we should simply crash as we already saved
2044		2386
2045	# cancel all watchers	2387	warn "cancelling all WF_AUTOCANCEL watchers";
2046	for (Event::all_watchers) {	2388	for (Event::all_watchers) {
2047	$_->cancel if $_->data & WF_AUTOCANCEL;	2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2048	}	2390	}
2049		2391
		2392	warn "flushing outstanding aio requests";
		2393	for (;;) {
		2394	BDB::flush;
		2395	IO::AIO::flush;
		2396	Coro::cede;
		2397	last unless IO::AIO::nreqs || BDB::nreqs;
		2398	warn "iterate...";
		2399	}
		2400
2050	# cancel all extension coros	2401	warn "cancelling all extension coros";
2051	$_->cancel for values %EXT_CORO;	2402	$_->cancel for values %EXT_CORO;
2052	%EXT_CORO = ();	2403	%EXT_CORO = ();
2053		2404
2054	# unload all extensions	2405	warn "removing commands";
2055	for (@exts) {	2406	%COMMAND = ();
		2407
		2408	warn "removing ext commands";
		2409	%EXTCMD = ();
		2410
		2411	warn "unloading/nuking all extensions";
		2412	for my $pkg (@EXTS) {
2056	warn "unloading <$_>";	2413	warn "... unloading $pkg";
2057	unload_extension $_;	2414
		2415	if (my $cb = $pkg->can ("unload")) {
		2416	eval {
		2417	$cb->($pkg);
		2418	1
		2419	} or warn "$pkg unloaded, but with errors: $@";
2058	}	2420	}
2059		2421
		2422	warn "... nuking $pkg";
		2423	Symbol::delete_package $pkg;
		2424	}
		2425
2060	# unload all modules loaded from $LIBDIR	2426	warn "unloading all perl modules loaded from $LIBDIR";
2061	while (my ($k, $v) = each %INC) {	2427	while (my ($k, $v) = each %INC) {
2062	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063		2429
2064	warn "removing <$k>";	2430	warn "... unloading $k";
2065	delete $INC{$k};	2431	delete $INC{$k};
2066		2432
2067	$k =~ s/\.pm$//;	2433	$k =~ s/\.pm$//;
2068	$k =~ s/\//::/g;	2434	$k =~ s/\//::/g;
2069		2435
…		…
2072	}	2438	}
2073		2439
2074	Symbol::delete_package $k;	2440	Symbol::delete_package $k;
2075	}	2441	}
2076		2442
2077	# sync database to disk
2078	cf::db_sync;
2079	IO::AIO::flush;
2080
2081	# get rid of safe::, as good as possible	2443	warn "getting rid of safe::, as good as possible";
2082	Symbol::delete_package "safe::$_"	2444	Symbol::delete_package "safe::$_"
2083	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2084		2446
2085	# remove register_script_function callbacks
2086	# TODO
2087
2088	# unload cf.pm "a bit"	2447	warn "unloading cf.pm \"a bit\"";
2089	delete $INC{"cf.pm"};	2448	delete $INC{"cf.pm"};
2090		2449
2091	# don't, removes xs symbols, too,	2450	# don't, removes xs symbols, too,
2092	# and global variables created in xs	2451	# and global variables created in xs
2093	#Symbol::delete_package __PACKAGE__;	2452	#Symbol::delete_package __PACKAGE__;
2094		2453
2095	# reload cf.pm	2454	warn "unload completed, starting to reload now";
		2455
2096	warn "reloading cf.pm";	2456	warn "reloading cf.pm";
2097	require cf;	2457	require cf;
2098	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2099		2459
2100	# load config and database again	2460	warn "loading config and database again";
2101	cf::cfg_load;	2461	cf::cfg_load;
2102	cf::db_load;
2103		2462
2104	# load extensions
2105	warn "load extensions";	2463	warn "loading extensions";
2106	cf::load_extensions;	2464	cf::load_extensions;
2107		2465
2108	# reattach attachments to objects	2466	warn "reattaching attachments to objects/players";
2109	warn "reattach";
2110	_global_reattach;	2467	_global_reattach;
2111	};	2468	warn "reattaching attachments to maps";
		2469	reattach $_ for values %MAP;
2112		2470
2113	if ($@) {	2471	warn "loading reloadable resources";
		2472	load_resources;
		2473
		2474	warn "leaving sync_job";
		2475
		2476	1
		2477	} or do {
2114	warn $@;	2478	warn $@;
2115	warn "error while reloading, exiting.";	2479	warn "error while reloading, exiting.";
2116	exit 1;	2480	exit 1;
2117	}	2481	};
2118		2482
2119	warn "reloaded successfully";	2483	warn "reloaded";
2120	};	2484	};
2121		2485
2122	#############################################################################	2486	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} = $LINK_MAP;
2163	}
2164
2165	register "<global>", __PACKAGE__;
2166		2487
2167	register_command "reload" => sub {	2488	register_command "reload" => sub {
2168	my ($who, $arg) = @_;	2489	my ($who, $arg) = @_;
2169		2490
2170	if ($who->flag (FLAG_WIZ)) {	2491	if ($who->flag (FLAG_WIZ)) {
2171	$who->message ("start of reload.");	2492	$who->message ("reloading server.");
		2493
		2494	# doing reload synchronously and two reloads happen back-to-back,
		2495	# coro crashes during coro_state_free->destroy here.
		2496
		2497	$RELOAD_WATCHER ||= Event->timer (
		2498	reentrant => 0,
		2499	after => 0,
		2500	data => WF_AUTOCANCEL,
		2501	cb => sub {
2172	reload;	2502	reload;
2173	$who->message ("end of reload.");	2503	undef $RELOAD_WATCHER;
		2504	},
		2505	);
2174	}	2506	}
2175	};	2507	};
2176		2508
2177	unshift @INC, $LIBDIR;	2509	unshift @INC, $LIBDIR;
		2510
		2511	my $bug_warning = 0;
2178		2512
2179	$TICK_WATCHER = Event->timer (	2513	$TICK_WATCHER = Event->timer (
2180	reentrant => 0,	2514	reentrant => 0,
		2515	parked => 1,
2181	prio => 0,	2516	prio => 0,
2182	at => $NEXT_TICK || $TICK,	2517	at => $NEXT_TICK || $TICK,
2183	data => WF_AUTOCANCEL,	2518	data => WF_AUTOCANCEL,
2184	cb => sub {	2519	cb => sub {
		2520	if ($Coro::current != $Coro::main) {
		2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2522	unless ++$bug_warning > 10;
		2523	return;
		2524	}
		2525
		2526	$NOW = Event::time;
		2527
2185	cf::server_tick; # one server iteration	2528	cf::server_tick; # one server iteration
2186	$RUNTIME += $TICK;	2529	$RUNTIME += $TICK;
2187	$NEXT_TICK += $TICK;	2530	$NEXT_TICK += $TICK;
		2531
		2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2533	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2534	Coro::async_pool {
		2535	write_runtime
		2536	or warn "ERROR: unable to write runtime file: $!";
		2537	};
		2538	}
		2539
		2540
		2541	$WAIT_FOR_TICK->broadcast;
		2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2543
		2544	# my $AFTER = Event::time;
		2545	# warn $AFTER - $NOW;#d#
2188		2546
2189	# if we are delayed by four ticks or more, skip them all	2547	# if we are delayed by four ticks or more, skip them all
2190	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2191		2549
2192	$TICK_WATCHER->at ($NEXT_TICK);	2550	$TICK_WATCHER->at ($NEXT_TICK);
2193	$TICK_WATCHER->start;	2551	$TICK_WATCHER->start;
2194	},	2552	},
2195	);	2553	);
2196		2554
		2555	{
2197	IO::AIO::max_poll_time $TICK * 0.2;	2556	BDB::max_poll_time $TICK * 0.1;
2198		2557	$BDB_POLL_WATCHER = Event->io (
2199	Event->io (	2558	reentrant => 0,
2200	fd => IO::AIO::poll_fileno,	2559	fd => BDB::poll_fileno,
2201	poll => 'r',	2560	poll => 'r',
2202	prio => 5,	2561	prio => 0,
2203	data => WF_AUTOCANCEL,
2204	cb => \&IO::AIO::poll_cb,
2205	);
2206
2207	Event->timer (
2208	data => WF_AUTOCANCEL,	2562	data => WF_AUTOCANCEL,
2209	after => 0,	2563	cb => \&BDB::poll_cb,
2210	interval => 10,	2564	);
2211	cb => sub {	2565	BDB::min_parallel 8;
2212	(Coro::unblock_sub {	2566
2213	write_runtime	2567	BDB::set_sync_prepare {
2214	or warn "ERROR: unable to write runtime file: $!";	2568	my $status;
		2569	my $current = $Coro::current;
		2570	(
		2571	sub {
		2572	$status = $!;
		2573	$current->ready; undef $current;
		2574	},
		2575	sub {
		2576	Coro::schedule while defined $current;
		2577	$! = $status;
		2578	},
		2579	)
		2580	};
		2581
		2582	unless ($DB_ENV) {
		2583	$DB_ENV = BDB::db_env_create;
		2584
		2585	cf::sync_job {
		2586	eval {
		2587	BDB::db_env_open
		2588	$DB_ENV,
		2589	$BDB_ENV_DIR,
		2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2592	0666;
		2593
		2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2595
		2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2597	$DB_ENV->set_lk_detect;
		2598	};
		2599
		2600	cf::cleanup "db_env_open(db): $@" if $@;
2215	})->();	2601	};
2216	},	2602	}
2217	);	2603	}
		2604
		2605	{
		2606	IO::AIO::min_parallel 8;
		2607
		2608	undef $Coro::AIO::WATCHER;
		2609	IO::AIO::max_poll_time $TICK * 0.1;
		2610	$AIO_POLL_WATCHER = Event->io (
		2611	reentrant => 0,
		2612	data => WF_AUTOCANCEL,
		2613	fd => IO::AIO::poll_fileno,
		2614	poll => 'r',
		2615	prio => 6,
		2616	cb => \&IO::AIO::poll_cb,
		2617	);
		2618	}
2218		2619
2219	END { cf::emergency_save }	2620	END { cf::emergency_save }
2220		2621
2221	1	2622	1
2222		2623

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