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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.153 by root, Mon Jan 8 23:36:16 2007 UTC vs.
Revision 1.211 by root, Tue Feb 13 16:23:32 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 2.32 ();	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 $WRITE_RUNTIME_WATCHER;
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
52	our %PLAYER; # all users	67	our %PLAYER; # all users
53	our %MAP; # all maps	68	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO; # coroutines bound to extensions	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
57		78
58	binmode STDOUT;	79	binmode STDOUT;
59	binmode STDERR;	80	binmode STDERR;
60		81
61	# read virtual server time, if available	82	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	89	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
73		95
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
77		99
78	#############################################################################	100	#############################################################################
79		101
80	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
81		103
…		…
105		127
106	=item %cf::CFG	128	=item %cf::CFG
107		129
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		139
111	=back	140	=back
112		141
113	=cut	142	=cut
114		143
…		…
146		175
147	$Event::DIED = sub {	176	$Event::DIED = sub {
148	warn "error in event callback: @_";	177	warn "error in event callback: @_";
149	};	178	};
150		179
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
156		181
157	=over 4	182	=over 4
158		183
		184	=item dumpval $ref
		185
159	=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	}
160		206
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		208
163	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
164		210
…		…
225	}	271	}
226		272
227	sub freeze_mainloop {	273	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
229		275
230	my $guard = Coro::guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	$WRITE_RUNTIME_WATCHER->start;
		279	};
		280	$WRITE_RUNTIME_WATCHER->stop;
231	$TICK_WATCHER->stop;	281	$TICK_WATCHER->stop;
232	$guard	282	$guard
233	}	283	}
234		284
235	=item cf::async { BLOCK }	285	=item cf::async { BLOCK }
…		…
287	}	337	}
288	}	338	}
289		339
290	=item $coro = cf::async_ext { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
291		341
292	Like async, but this coro is automcatially being canceled when the	342	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	343	extension calling this is being unloaded.
294		344
295	=cut	345	=cut
296		346
297	sub async_ext(&) {	347	sub async_ext(&) {
…		…
306		356
307	$coro	357	$coro
308	}	358	}
309		359
310	sub write_runtime {	360	sub write_runtime {
		361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
		362
311	my $runtime = cf::localdir . "/runtime";	363	my $runtime = cf::localdir . "/runtime";
312		364
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	366	or return;
315		367
		368	my $value = $cf::RUNTIME + 90 + 10;
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	369	# 10 is the runtime save interval, for a monotonic clock
		370	# 60 allows for the watchdog to kill the server.
		371
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	372	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	373	and return;
319		374
		375	# always fsync - this file is important
320	aio_fsync $fh	376	aio_fsync $fh
321	and return;	377	and return;
322		378
323	close $fh	379	close $fh
324	or return;	380	or return;
…		…
330	}	386	}
331		387
332	=back	388	=back
333		389
334	=cut	390	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		391
456	#############################################################################	392	#############################################################################
457		393
458	=head2 ATTACHABLE OBJECTS	394	=head2 ATTACHABLE OBJECTS
459		395
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	521	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	522	our @CB_MAP = ();
587		523
588	my %attachment;	524	my %attachment;
589		525
		526	sub cf::attachable::thawer_merge {
		527	# simply override everything except _meta
		528	local $_[0]{_meta};
		529	%{$_[0]} = %{$_[1]};
		530	}
		531
590	sub _attach_cb($$$$) {	532	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	533	my ($registry, $event, $prio, $cb) = @_;
592		534
593	use sort 'stable';	535	use sort 'stable';
594		536
…		…
765	# object support	707	# object support
766		708
767	sub reattach {	709	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	710	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	711	my ($obj) = @_;
		712
		713	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		714
771	my $registry = $obj->registry;	715	my $registry = $obj->registry;
772		716
773	@$registry = ();	717	@$registry = ();
774		718
…		…
821	$filename, length $$rdata, scalar @$objs;	765	$filename, length $$rdata, scalar @$objs;
822		766
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	768	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	770	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	771	close $fh;
828		772
829	if (@$objs) {	773	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	774	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	775	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	776	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	777	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	778	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	779	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	780	aio_rename "$filename.pst~", "$filename.pst";
837	}	781	}
838	} else {	782	} else {
839	aio_unlink "$filename.pst";	783	aio_unlink "$filename.pst";
…		…
845	}	789	}
846	} else {	790	} else {
847	aio_unlink $filename;	791	aio_unlink $filename;
848	aio_unlink "$filename.pst";	792	aio_unlink "$filename.pst";
849	}	793	}
		794
		795	#d##TODO# nuke non .map-files if exist
		796	if ($filename =~ s/\.map$//) {
		797	aio_unlink $filename;
		798	aio_unlink "$filename.pst";
		799	}
850	}	800	}
851	}	801	}
852		802
853	sub object_freezer_as_string {	803	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	804	my ($rdata, $objs) = @_;
…		…
860		810
861	sub object_thawer_load {	811	sub object_thawer_load {
862	my ($filename) = @_;	812	my ($filename) = @_;
863		813
864	my ($data, $av);	814	my ($data, $av);
		815
		816	#d#TODO remove .map if file does not exist
		817	aio_stat $filename and $filename =~ s/\.map$//;
865		818
866	(aio_load $filename, $data) >= 0	819	(aio_load $filename, $data) >= 0
867	or return;	820	or return;
868		821
869	unless (aio_stat "$filename.pst") {	822	unless (aio_stat "$filename.pst") {
…		…
906	=cut	859	=cut
907		860
908	sub register_extcmd {	861	sub register_extcmd {
909	my ($name, $cb) = @_;	862	my ($name, $cb) = @_;
910		863
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	864	$EXTCMD{$name} = $cb;
915	}	865	}
916		866
917	cf::player->attach (	867	cf::player->attach (
918	on_command => sub {	868	on_command => sub {
919	my ($pl, $name, $params) = @_;	869	my ($pl, $name, $params) = @_;
…		…
932		882
933	my $msg = eval { from_json $buf };	883	my $msg = eval { from_json $buf };
934		884
935	if (ref $msg) {	885	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	887	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	888	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	889	}
940	}	890	}
941	} else {	891	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		894
945	cf::override;	895	cf::override;
946	},	896	},
947	);	897	);
948		898
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	899	sub load_extension {
956	my ($path) = @_;	900	my ($path) = @_;
957		901
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	903	my $base = $1;
960	my $pkg = $1;	904	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	905	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	906	$pkg = "ext::$pkg";
963		907
964	warn "loading '$path' into '$pkg'\n";	908	warn "... loading '$path' into '$pkg'\n";
965		909
966	open my $fh, "<:utf8", $path	910	open my $fh, "<:utf8", $path
967	or die "$path: $!";	911	or die "$path: $!";
968		912
969	my $source =	913	my $source =
970	"package $pkg; use strict; use utf8;\n"	914	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	915	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	916	. (do { local $/; <$fh> })
973	. "\n};\n1";	917	. "\n};\n1";
974		918
975	eval $source	919	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	920	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	921	: "extension disabled.\n";
978		922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	923	warn $@;
980	$ext_pkg{$base} = $pkg;	924	warn "mandatory extension failed to load, exiting.\n";
981		925	exit 1;
982	# no strict 'refs';	926	}
983	# @{"$pkg\::ISA"} = ext::;	927	die $@;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }	928	}
998		929
999	# remove commands	930	push @EXTS, $pkg;
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	931	}
1024		932
1025	sub load_extensions {	933	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	934	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	935	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	939	} or warn "$ext not loaded: $@";
1032	}	940	}
1033	}	941	}
1034		942
1035	#############################################################################	943	#############################################################################
1036	# load/save/clean perl data associated with a map
1037
1038	*cf::mapsupport::on_clean = sub {
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		944
1073	=head2 CORE EXTENSIONS	945	=head2 CORE EXTENSIONS
1074		946
1075	Functions and methods that extend core crossfire objects.	947	Functions and methods that extend core crossfire objects.
1076		948
1077	=cut	949	=cut
1078		950
1079	package cf::player;	951	package cf::player;
		952
		953	use Coro::AIO;
1080		954
1081	=head3 cf::player	955	=head3 cf::player
1082		956
1083	=over 4	957	=over 4
1084		958
…		…
1110		984
1111	sub exists($) {	985	sub exists($) {
1112	my ($login) = @_;	986	my ($login) = @_;
1113		987
1114	$cf::PLAYER{$login}	988	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	989	or cf::sync_job { !aio_stat path $login }
1116	}	990	}
1117		991
1118	sub find($) {	992	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	993	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	994	my $login = $_[0];
…		…
1137	my $path = path $pl;	1011	my $path = path $pl;
1138	my $guard = cf::lock_acquire "user_save:$path";	1012	my $guard = cf::lock_acquire "user_save:$path";
1139		1013
1140	return if $pl->{deny_save};	1014	return if $pl->{deny_save};
1141		1015
1142	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1016	aio_mkdir playerdir $pl, 0770;
1143	$pl->{last_save} = $cf::RUNTIME;	1017	$pl->{last_save} = $cf::RUNTIME;
1144		1018
1145	$pl->save_pl ($path);	1019	$pl->save_pl ($path);
1146	Coro::cede;	1020	Coro::cede;
1147	}	1021	}
…		…
1156		1030
1157	$cf::PLAYER{$login} = $self;	1031	$cf::PLAYER{$login} = $self;
1158		1032
1159	$self	1033	$self
1160	}	1034	}
		1035
		1036	=item $pl->quit_character
		1037
		1038	Nukes the player without looking back. If logged in, the connection will
		1039	be destroyed. May block for a long time.
		1040
		1041	=cut
1161		1042
1162	sub quit_character {	1043	sub quit_character {
1163	my ($pl) = @_;	1044	my ($pl) = @_;
1164		1045
1165	$pl->{deny_save} = 1;	1046	$pl->{deny_save} = 1;
…		…
1170	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1051	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1171	$pl->ns->destroy if $pl->ns;	1052	$pl->ns->destroy if $pl->ns;
1172		1053
1173	my $path = playerdir $pl;	1054	my $path = playerdir $pl;
1174	my $temp = "$path~$cf::RUNTIME~deleting~";	1055	my $temp = "$path~$cf::RUNTIME~deleting~";
1175	Coro::AIO::aio_rename $path, $temp;	1056	aio_rename $path, $temp;
1176	delete $cf::PLAYER{$pl->ob->name};	1057	delete $cf::PLAYER{$pl->ob->name};
1177	$pl->destroy;	1058	$pl->destroy;
1178	IO::AIO::aio_rmtree $temp;	1059	IO::AIO::aio_rmtree $temp;
1179	}	1060	}
1180		1061
		1062	=item cf::player::list_logins
		1063
		1064	Returns am arrayref of all valid playernames in the system, can take a
		1065	while and may block, so not sync_job-capable, ever.
		1066
		1067	=cut
		1068
		1069	sub list_logins {
		1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1071	or return [];
		1072
		1073	my @logins;
		1074
		1075	for my $login (@$dirs) {
		1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1077	aio_read $fh, 0, 512, my $buf, 0 or next;
		1078	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1079
		1080	utf8::decode $login;
		1081	push @logins, $login;
		1082	}
		1083
		1084	\@logins
		1085	}
		1086
		1087	=item $player->maps
		1088
		1089	Returns an arrayref of map paths that are private for this
		1090	player. May block.
		1091
		1092	=cut
		1093
		1094	sub maps($) {
		1095	my ($pl) = @_;
		1096
		1097	$pl = ref $pl ? $pl->ob->name : $pl;
		1098
		1099	my $files = aio_readdir playerdir $pl
		1100	or return;
		1101
		1102	my @paths;
		1103
		1104	for (@$files) {
		1105	utf8::decode $_;
		1106	next if /\.(?:pl|pst)$/;
		1107	next unless /^$PATH_SEP/o;
		1108
		1109	push @paths, cf::map::normalise "~$pl/$_";
		1110	}
		1111
		1112	\@paths
		1113	}
		1114
1181	=item $player->ext_reply ($msgid, $msgtype, %msg)	1115	=item $player->ext_reply ($msgid, $msgtype, %msg)
1182		1116
1183	Sends an ext reply to the player.	1117	Sends an ext reply to the player.
1184		1118
1185	=cut	1119	=cut
…		…
1206	package cf::map;	1140	package cf::map;
1207		1141
1208	use Fcntl;	1142	use Fcntl;
1209	use Coro::AIO;	1143	use Coro::AIO;
1210		1144
		1145	use overload
		1146	'""' => \&as_string,
		1147	fallback => 1;
		1148
1211	our $MAX_RESET = 3600;	1149	our $MAX_RESET = 3600;
1212	our $DEFAULT_RESET = 3000;	1150	our $DEFAULT_RESET = 3000;
1213		1151
1214	sub generate_random_map {	1152	sub generate_random_map {
1215	my ($path, $rmp) = @_;	1153	my ($self, $rmp) = @_;
1216
1217	# mit "rum" bekleckern, nicht	1154	# mit "rum" bekleckern, nicht
1218	cf::map::_create_random_map	1155	$self->_create_random_map (
1219	$path,
1220	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1221	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1222	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1223	$rmp->{exit_on_final_map},	1159	$rmp->{exit_on_final_map},
1224	$rmp->{xsize}, $rmp->{ysize},	1160	$rmp->{xsize}, $rmp->{ysize},
1225	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1161	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1226	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1162	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1227	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1163	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1228	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1164	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1229	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1165	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1230	(cf::region::find $rmp->{region})	1166	(cf::region::find $rmp->{region}), $rmp->{custom}
		1167	)
		1168	}
		1169
		1170	=item cf::map->register ($regex, $prio)
		1171
		1172	Register a handler for the map path matching the given regex at the
		1173	givne priority (higher is better, built-in handlers have priority 0, the
		1174	default).
		1175
		1176	=cut
		1177
		1178	sub register {
		1179	my (undef, $regex, $prio) = @_;
		1180	my $pkg = caller;
		1181
		1182	no strict;
		1183	push @{"$pkg\::ISA"}, __PACKAGE__;
		1184
		1185	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1186	}
		1187
		1188	# also paths starting with '/'
		1189	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1190
		1191	sub thawer_merge {
		1192	my ($self, $merge) = @_;
		1193
		1194	# we have to keep some variables in memory intact
		1195	local $self->{path};
		1196	local $self->{load_path};
		1197	local $self->{deny_save};
		1198	local $self->{deny_reset};
		1199
		1200	$self->SUPER::thawer_merge ($merge);
		1201	}
		1202
		1203	sub normalise {
		1204	my ($path, $base) = @_;
		1205
		1206	$path = "$path"; # make sure its a string
		1207
		1208	$path =~ s/\.map$//;
		1209
		1210	# map plan:
		1211	#
		1212	# /! non-realised random map exit (special hack!)
		1213	# {... are special paths that are not being touched
		1214	# ?xxx/... are special absolute paths
		1215	# ?random/... random maps
		1216	# /... normal maps
		1217	# ~user/... per-player map of a specific user
		1218
		1219	$path =~ s/$PATH_SEP/\//go;
		1220
		1221	# treat it as relative path if it starts with
		1222	# something that looks reasonable
		1223	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1224	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1225
		1226	$base =~ s{[^/]+/?$}{};
		1227	$path = "$base/$path";
		1228	}
		1229
		1230	for ($path) {
		1231	redo if s{//}{/};
		1232	redo if s{/\.?/}{/};
		1233	redo if s{/[^/]+/\.\./}{/};
		1234	}
		1235
		1236	$path
		1237	}
		1238
		1239	sub new_from_path {
		1240	my (undef, $path, $base) = @_;
		1241
		1242	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1243
		1244	$path = normalise $path, $base;
		1245
		1246	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1247	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1248	my $self = bless cf::map::new, $pkg;
		1249	$self->{path} = $path; $self->path ($path);
		1250	$self->init; # pass $1 etc.
		1251	return $self;
		1252	}
		1253	}
		1254
		1255	Carp::carp "unable to resolve path '$path' (base '$base').";
		1256	()
		1257	}
		1258
		1259	sub init {
		1260	my ($self) = @_;
		1261
		1262	$self
		1263	}
		1264
		1265	sub as_string {
		1266	my ($self) = @_;
		1267
		1268	"$self->{path}"
		1269	}
		1270
		1271	# the displayed name, this is a one way mapping
		1272	sub visible_name {
		1273	&as_string
		1274	}
		1275
		1276	# the original (read-only) location
		1277	sub load_path {
		1278	my ($self) = @_;
		1279
		1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1281	}
		1282
		1283	# the temporary/swap location
		1284	sub save_path {
		1285	my ($self) = @_;
		1286
		1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1289	}
		1290
		1291	# the unique path, undef == no special unique path
		1292	sub uniq_path {
		1293	my ($self) = @_;
		1294
		1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1231	}	1297	}
1232		1298
1233	# and all this just because we cannot iterate over	1299	# and all this just because we cannot iterate over
1234	# all maps in C++...	1300	# all maps in C++...
1235	sub change_all_map_light {	1301	sub change_all_map_light {
…		…
1237		1303
1238	$_->change_map_light ($change)	1304	$_->change_map_light ($change)
1239	for grep $_->outdoor, values %cf::MAP;	1305	for grep $_->outdoor, values %cf::MAP;
1240	}	1306	}
1241		1307
		1308	sub unlink_save {
		1309	my ($self) = @_;
		1310
		1311	utf8::encode (my $save = $self->save_path);
		1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1314
		1315	#d#TODO remove .map and also nuke
		1316	$save =~ s/\.map// or return;#d#
		1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1319	}
		1320
1242	sub try_load_header($) {	1321	sub load_header_from($) {
1243	my ($path) = @_;	1322	my ($self, $path) = @_;
1244		1323
1245	utf8::encode $path;	1324	utf8::encode $path;
1246	aio_open $path, O_RDONLY, 0	1325	#aio_open $path, O_RDONLY, 0
		1326	# or return;
		1327
		1328	$self->_load_header ($path)
1247	or return;	1329	or return;
1248		1330
1249	my $map = cf::map::new	1331	$self->{load_path} = $path;
		1332
		1333	1
		1334	}
		1335
		1336	sub load_header_orig {
		1337	my ($self) = @_;
		1338
		1339	$self->load_header_from ($self->load_path)
		1340	}
		1341
		1342	sub load_header_temp {
		1343	my ($self) = @_;
		1344
		1345	$self->load_header_from ($self->save_path)
		1346	}
		1347
		1348	sub prepare_temp {
		1349	my ($self) = @_;
		1350
		1351	$self->last_access ((delete $self->{last_access})
		1352	|| $cf::RUNTIME); #d#
		1353	# safety
		1354	$self->{instantiate_time} = $cf::RUNTIME
		1355	if $self->{instantiate_time} > $cf::RUNTIME;
		1356	}
		1357
		1358	sub prepare_orig {
		1359	my ($self) = @_;
		1360
		1361	$self->{load_original} = 1;
		1362	$self->{instantiate_time} = $cf::RUNTIME;
		1363	$self->last_access ($cf::RUNTIME);
		1364	$self->instantiate;
		1365	}
		1366
		1367	sub load_header {
		1368	my ($self) = @_;
		1369
		1370	if ($self->load_header_temp) {
		1371	$self->prepare_temp;
		1372	} else {
		1373	$self->load_header_orig
1250	or return;	1374	or return;
		1375	$self->prepare_orig;
		1376	}
1251		1377
1252	# for better error messages only, will be overwritten	1378	1
1253	$map->path ($path);
1254
1255	$map->load_header ($path)
1256	or return;
1257
1258	$map->{load_path} = $path;
1259
1260	$map
1261	}	1379	}
1262		1380
1263	sub find;	1381	sub find;
1264	sub find {	1382	sub find {
1265	my ($path, $origin) = @_;	1383	my ($path, $origin) = @_;
1266		1384
1267	#warn "find<$path,$origin>\n";#d#
1268
1269	$path = new cf::path $path, $origin && $origin->path;	1385	$path = normalise $path, $origin && $origin->path;
1270	my $key = $path->as_string;
1271		1386
1272	cf::lock_wait "map_find:$key";	1387	cf::lock_wait "map_find:$path";
1273		1388
1274	$cf::MAP{$key} || do {	1389	$cf::MAP{$path} || do {
1275	my $guard = cf::lock_acquire "map_find:$key";	1390	my $guard = cf::lock_acquire "map_find:$path";
1276		1391	my $map = new_from_path cf::map $path
1277	# do it the slow way
1278	my $map = try_load_header $path->save_path;
1279
1280	Coro::cede;
1281
1282	if ($map) {
1283	$map->last_access ((delete $map->{last_access})
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$map->{instantiate_time} = $cf::RUNTIME
1287	if $map->{instantiate_time} > $cf::RUNTIME;
1288	} else {
1289	if (my $rmp = $path->random_map_params) {
1290	$map = generate_random_map $key, $rmp;
1291	} else {
1292	$map = try_load_header $path->load_path;
1293	}
1294
1295	$map or return;	1392	or return;
1296		1393
1297	$map->{load_original} = 1;
1298	$map->{instantiate_time} = $cf::RUNTIME;
1299	$map->last_access ($cf::RUNTIME);
1300	$map->instantiate;
1301
1302	# per-player maps become, after loading, normal maps
1303	$map->per_player (0) if $path->{user_rel};
1304	}
1305
1306	$map->path ($key);
1307	$map->{path} = $path;
1308	$map->{last_save} = $cf::RUNTIME;	1394	$map->{last_save} = $cf::RUNTIME;
1309		1395
1310	Coro::cede;	1396	$map->load_header
		1397	or return;
1311		1398
1312	if ($map->should_reset) {	1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1400	# doing this can freeze the server in a sync job, obviously
		1401	#$cf::WAIT_FOR_TICK->wait;
1313	$map->reset;	1402	$map->reset;
1314	undef $guard;	1403	undef $guard;
1315	$map = find $path	1404	return find $path;
1316	or return;
1317	}	1405	}
1318		1406
1319	$cf::MAP{$key} = $map	1407	$cf::MAP{$path} = $map
1320	}	1408	}
1321	}	1409	}
		1410
		1411	sub pre_load { }
		1412	sub post_load { }
1322		1413
1323	sub load {	1414	sub load {
1324	my ($self) = @_;	1415	my ($self) = @_;
1325		1416
		1417	local $self->{deny_reset} = 1; # loading can take a long time
		1418
1326	my $path = $self->{path};	1419	my $path = $self->{path};
1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1420	my $guard = cf::lock_acquire "map_load:$path";
1328		1421
1329	return if $self->in_memory != cf::MAP_SWAPPED;	1422	return if $self->in_memory != cf::MAP_SWAPPED;
1330		1423
1331	$self->in_memory (cf::MAP_LOADING);	1424	$self->in_memory (cf::MAP_LOADING);
1332		1425
1333	$self->alloc;	1426	$self->alloc;
		1427
		1428	$self->pre_load;
		1429
1334	$self->load_objects ($self->{load_path}, 1)	1430	$self->_load_objects ($self->{load_path}, 1)
1335	or return;	1431	or return;
1336		1432
1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1338	if delete $self->{load_original};	1434	if delete $self->{load_original};
1339		1435
1340	if (my $uniq = $path->uniq_path) {	1436	if (my $uniq = $self->uniq_path) {
1341	utf8::encode $uniq;	1437	utf8::encode $uniq;
1342	if (aio_open $uniq, O_RDONLY, 0) {	1438	if (aio_open $uniq, O_RDONLY, 0) {
1343	$self->clear_unique_items;	1439	$self->clear_unique_items;
1344	$self->load_objects ($uniq, 0);	1440	$self->_load_objects ($uniq, 0);
1345	}	1441	}
1346	}	1442	}
1347		1443
1348	Coro::cede;	1444	Coro::cede;
1349		1445
1350	# now do the right thing for maps	1446	# now do the right thing for maps
1351	$self->link_multipart_objects;	1447	$self->link_multipart_objects;
1352		1448
1353	if ($self->{path}->is_style_map) {	1449	unless ($self->{deny_activate}) {
1354	$self->{deny_save} = 1;	1450	$self->decay_objects;
1355	$self->{deny_reset} = 1;
1356	} else {
1357	$self->fix_auto_apply;	1451	$self->fix_auto_apply;
1358	$self->decay_objects;
1359	$self->update_buttons;	1452	$self->update_buttons;
		1453	Coro::cede;
1360	$self->set_darkness_map;	1454	$self->set_darkness_map;
1361	$self->difficulty ($self->estimate_difficulty)	1455	$self->difficulty ($self->estimate_difficulty)
1362	unless $self->difficulty;	1456	unless $self->difficulty;
		1457	Coro::cede;
1363	$self->activate;	1458	$self->activate;
1364	}	1459	}
1365		1460
1366	Coro::cede;	1461	$self->post_load;
1367		1462
1368	$self->in_memory (cf::MAP_IN_MEMORY);	1463	$self->in_memory (cf::MAP_IN_MEMORY);
		1464	}
		1465
		1466	sub customise_for {
		1467	my ($self, $ob) = @_;
		1468
		1469	return find "~" . $ob->name . "/" . $self->{path}
		1470	if $self->per_player;
		1471
		1472	$self
		1473	}
		1474
		1475	# find and load all maps in the 3x3 area around a map
		1476	sub load_diag {
		1477	my ($map) = @_;
		1478
		1479	my @diag; # diagonal neighbours
		1480
		1481	for (0 .. 3) {
		1482	my $neigh = $map->tile_path ($_)
		1483	or next;
		1484	$neigh = find $neigh, $map
		1485	or next;
		1486	$neigh->load;
		1487
		1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1490	}
		1491
		1492	for (@diag) {
		1493	my $neigh = find @$_
		1494	or next;
		1495	$neigh->load;
		1496	}
1369	}	1497	}
1370		1498
1371	sub find_sync {	1499	sub find_sync {
1372	my ($path, $origin) = @_;	1500	my ($path, $origin) = @_;
1373		1501
1374	cf::sync_job { cf::map::find $path, $origin }	1502	cf::sync_job { find $path, $origin }
1375	}	1503	}
1376		1504
1377	sub do_load_sync {	1505	sub do_load_sync {
1378	my ($map) = @_;	1506	my ($map) = @_;
1379		1507
1380	cf::sync_job { $map->load };	1508	cf::sync_job { $map->load };
1381	}	1509	}
1382		1510
		1511	our %MAP_PREFETCH;
		1512	our $MAP_PREFETCHER = undef;
		1513
		1514	sub find_async {
		1515	my ($path, $origin) = @_;
		1516
		1517	$path = normalise $path, $origin && $origin->{path};
		1518
		1519	if (my $map = $cf::MAP{$path}) {
		1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1521	}
		1522
		1523	undef $MAP_PREFETCH{$path};
		1524	$MAP_PREFETCHER ||= cf::async {
		1525	while (%MAP_PREFETCH) {
		1526	for my $path (keys %MAP_PREFETCH) {
		1527	my $map = find $path
		1528	or next;
		1529	$map->load;
		1530
		1531	delete $MAP_PREFETCH{$path};
		1532	}
		1533	}
		1534	undef $MAP_PREFETCHER;
		1535	};
		1536	$MAP_PREFETCHER->prio (6);
		1537
		1538	()
		1539	}
		1540
1383	sub save {	1541	sub save {
1384	my ($self) = @_;	1542	my ($self) = @_;
1385		1543
1386	my $lock = cf::lock_acquire "map_data:" . $self->path;	1544	my $lock = cf::lock_acquire "map_data:" . $self->path;
1387		1545
1388	$self->{last_save} = $cf::RUNTIME;	1546	$self->{last_save} = $cf::RUNTIME;
1389		1547
1390	return unless $self->dirty;	1548	return unless $self->dirty;
1391		1549
1392	my $save = $self->{path}->save_path; utf8::encode $save;	1550	my $save = $self->save_path; utf8::encode $save;
1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1551	my $uniq = $self->uniq_path; utf8::encode $uniq;
1394		1552
1395	$self->{load_path} = $save;	1553	$self->{load_path} = $save;
1396		1554
1397	return if $self->{deny_save};	1555	return if $self->{deny_save};
1398		1556
…		…
1401	cf::async {	1559	cf::async {
1402	$_->contr->save for $self->players;	1560	$_->contr->save for $self->players;
1403	};	1561	};
1404		1562
1405	if ($uniq) {	1563	if ($uniq) {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1407	$self->save_objects ($uniq, cf::IO_UNIQUES);	1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1408	} else {	1566	} else {
1409	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1567	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1410	}	1568	}
1411	}	1569	}
1412		1570
1413	sub swap_out {	1571	sub swap_out {
1414	my ($self) = @_;	1572	my ($self) = @_;
…		…
1428		1586
1429	sub reset_at {	1587	sub reset_at {
1430	my ($self) = @_;	1588	my ($self) = @_;
1431		1589
1432	# TODO: safety, remove and allow resettable per-player maps	1590	# TODO: safety, remove and allow resettable per-player maps
1433	return 1e99 if $self->{path}{user_rel};	1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1434	return 1e99 if $self->{deny_reset};	1592	return 1e99 if $self->{deny_reset};
1435		1593
1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1437	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1438		1596
…		…
1443	my ($self) = @_;	1601	my ($self) = @_;
1444		1602
1445	$self->reset_at <= $cf::RUNTIME	1603	$self->reset_at <= $cf::RUNTIME
1446	}	1604	}
1447		1605
1448	sub unlink_save {
1449	my ($self) = @_;
1450
1451	utf8::encode (my $save = $self->{path}->save_path);
1452	aioreq_pri 3; IO::AIO::aio_unlink $save;
1453	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1454	}
1455
1456	sub rename {
1457	my ($self, $new_path) = @_;
1458
1459	$self->unlink_save;
1460
1461	delete $cf::MAP{$self->path};
1462	$self->{path} = new cf::path $new_path;
1463	$self->path ($self->{path}->as_string);
1464	$cf::MAP{$self->path} = $self;
1465
1466	$self->save;
1467	}
1468
1469	sub reset {	1606	sub reset {
1470	my ($self) = @_;	1607	my ($self) = @_;
1471		1608
1472	my $lock = cf::lock_acquire "map_data:" . $self->path;	1609	my $lock = cf::lock_acquire "map_data:$self->{path}";
1473		1610
1474	return if $self->players;	1611	return if $self->players;
1475	return if $self->{path}{user_rel};#d#	1612	return if $self->isa ("ext::map_per_player");#d#
1476		1613
1477	warn "resetting map ", $self->path;#d#	1614	warn "resetting map ", $self->path;#d#
1478		1615
		1616	$self->in_memory (cf::MAP_SWAPPED);
		1617
		1618	# need to save uniques path
		1619	unless ($self->{deny_save}) {
		1620	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1621
		1622	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1623	if $uniq;
		1624	}
		1625
1479	delete $cf::MAP{$self->path};	1626	delete $cf::MAP{$self->path};
		1627
		1628	$self->clear;
1480		1629
1481	$_->clear_links_to ($self) for values %cf::MAP;	1630	$_->clear_links_to ($self) for values %cf::MAP;
1482		1631
1483	$self->unlink_save;	1632	$self->unlink_save;
1484	$self->destroy;	1633	$self->destroy;
…		…
1487	my $nuke_counter = "aaaa";	1636	my $nuke_counter = "aaaa";
1488		1637
1489	sub nuke {	1638	sub nuke {
1490	my ($self) = @_;	1639	my ($self) = @_;
1491		1640
		1641	delete $cf::MAP{$self->path};
		1642
		1643	$self->unlink_save;
		1644
		1645	bless $self, "cf::map";
		1646	delete $self->{deny_reset};
1492	$self->{deny_save} = 1;	1647	$self->{deny_save} = 1;
1493	$self->reset_timeout (1);	1648	$self->reset_timeout (1);
1494	$self->rename ("{nuke}/" . ($nuke_counter++));	1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1650
		1651	$cf::MAP{$self->path} = $self;
		1652
1495	$self->reset; # polite request, might not happen	1653	$self->reset; # polite request, might not happen
1496	}	1654	}
1497		1655
1498	sub customise_for {	1656	=item cf::map::unique_maps
1499	my ($map, $ob) = @_;
1500		1657
1501	if ($map->per_player) {	1658	Returns an arrayref of paths of all shared maps that have
1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1659	instantiated unique items. May block.
1503	}
1504		1660
1505	$map	1661	=cut
1506	}
1507		1662
1508	sub emergency_save {	1663	sub unique_maps() {
1509	my $freeze_guard = cf::freeze_mainloop;	1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1665	or return;
1510		1666
1511	warn "enter emergency perl save\n";	1667	my @paths;
1512		1668
1513	cf::sync_job {	1669	for (@$files) {
1514	warn "begin emergency player save\n";	1670	utf8::decode $_;
1515	$_->save for values %cf::PLAYER;	1671	next if /\.pst$/;
1516	warn "end emergency player save\n";	1672	next unless /^$PATH_SEP/o;
1517		1673
1518	warn "begin emergency map save\n";	1674	push @paths, cf::map::normalise $_;
1519	$_->save for values %cf::MAP;
1520	warn "end emergency map save\n";
1521	};	1675	}
1522		1676
1523	warn "leave emergency perl save\n";	1677	\@paths
1524	}	1678	}
1525		1679
1526	package cf;	1680	package cf;
1527		1681
1528	=back	1682	=back
1529		1683
		1684	=head3 cf::object
		1685
		1686	=cut
		1687
		1688	package cf::object;
		1689
		1690	=over 4
		1691
		1692	=item $ob->inv_recursive
		1693
		1694	Returns the inventory of the object _and_ their inventories, recursively.
		1695
		1696	=cut
		1697
		1698	sub inv_recursive_;
		1699	sub inv_recursive_ {
		1700	map { $_, inv_recursive_ $_->inv } @_
		1701	}
		1702
		1703	sub inv_recursive {
		1704	inv_recursive_ inv $_[0]
		1705	}
		1706
		1707	package cf;
		1708
		1709	=back
1530		1710
1531	=head3 cf::object::player	1711	=head3 cf::object::player
1532		1712
1533	=over 4	1713	=over 4
1534		1714
…		…
1574		1754
1575	=item $player_object->enter_link	1755	=item $player_object->enter_link
1576		1756
1577	Freezes the player and moves him/her to a special map (C<{link}>).	1757	Freezes the player and moves him/her to a special map (C<{link}>).
1578		1758
1579	The player should be reaosnably safe there for short amounts of time. You	1759	The player should be reasonably safe there for short amounts of time. You
1580	I<MUST> call C<leave_link> as soon as possible, though.	1760	I<MUST> call C<leave_link> as soon as possible, though.
1581		1761
		1762	Will never block.
		1763
1582	=item $player_object->leave_link ($map, $x, $y)	1764	=item $player_object->leave_link ($map, $x, $y)
1583		1765
1584	Moves the player out of the specila link map onto the given map. If the	1766	Moves the player out of the special C<{link}> map onto the specified
1585	map is not valid (or omitted), the player will be moved back to the	1767	map. If the map is not valid (or omitted), the player will be moved back
1586	location he/she was before the call to C<enter_link>, or, if that fails,	1768	to the location he/she was before the call to C<enter_link>, or, if that
1587	to the emergency map position.	1769	fails, to the emergency map position.
1588		1770
1589	Might block.	1771	Might block.
1590		1772
1591	=cut	1773	=cut
		1774
		1775	sub link_map {
		1776	unless ($LINK_MAP) {
		1777	$LINK_MAP = cf::map::find "{link}"
		1778	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1779	$LINK_MAP->load;
		1780	}
		1781
		1782	$LINK_MAP
		1783	}
1592		1784
1593	sub cf::object::player::enter_link {	1785	sub cf::object::player::enter_link {
1594	my ($self) = @_;	1786	my ($self) = @_;
1595		1787
1596	$self->deactivate_recursive;	1788	$self->deactivate_recursive;
1597		1789
1598	return if $self->map == $LINK_MAP;	1790	return if UNIVERSAL::isa $self->map, "ext::map_link";
1599		1791
1600	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1601	if $self->map;	1793	if $self->map;
1602		1794
1603	$self->enter_map ($LINK_MAP, 20, 20);	1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1604	}	1796	}
1605		1797
1606	sub cf::object::player::leave_link {	1798	sub cf::object::player::leave_link {
1607	my ($self, $map, $x, $y) = @_;	1799	my ($self, $map, $x, $y) = @_;
1608		1800
…		…
1626	# use -1 or undef as default coordinates, not 0, 0	1818	# use -1 or undef as default coordinates, not 0, 0
1627	($x, $y) = ($map->enter_x, $map->enter_y)	1819	($x, $y) = ($map->enter_x, $map->enter_y)
1628	if $x <=0 && $y <= 0;	1820	if $x <=0 && $y <= 0;
1629		1821
1630	$map->load;	1822	$map->load;
		1823	$map->load_diag;
1631		1824
1632	return unless $self->contr->active;	1825	return unless $self->contr->active;
1633	$self->activate_recursive;	1826	$self->activate_recursive;
1634	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1635	}	1828	}
…		…
1671	=cut	1864	=cut
1672		1865
1673	sub cf::object::player::goto {	1866	sub cf::object::player::goto {
1674	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1675		1868
1676	$path = new cf::path $path;
1677	$path ne "/" or Carp::cluck ("oy");#d#
1678
1679	$self->enter_link;	1869	$self->enter_link;
1680		1870
1681	(async {	1871	(async {
		1872	my $map = eval {
1682	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1683	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1684		1875	$map
1685	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1686	# if $map;
1687
1688	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1689		1878
1690	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1691	})->prio (1);	1880	})->prio (1);
1692	}	1881	}
1693		1882
…		…
1697		1886
1698	sub parse_random_map_params {	1887	sub parse_random_map_params {
1699	my ($spec) = @_;	1888	my ($spec) = @_;
1700		1889
1701	my $rmp = { # defaults	1890	my $rmp = { # defaults
1702	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1703	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1704	};	1895	};
1705		1896
1706	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1707	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1708		1899
…		…
1712	$rmp	1903	$rmp
1713	}	1904	}
1714		1905
1715	sub prepare_random_map {	1906	sub prepare_random_map {
1716	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1717		1910
1718	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1719	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1720	# that depends on the exit object	1913	# that depends on the exit object
1721		1914
1722	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1723		1916
1724	if ($exit->map) {	1917	if ($exit->map) {
1725	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1726	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1727	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1728	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1729	}	1922	}
1730		1923
1731	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1732		1925
1733	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1734	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1735		1929
1736	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1737	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1738		1934
1739	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1740	$exit->msg (undef);	1936	$exit->msg (undef);
1741	}	1937	}
1742	}	1938	}
1743		1939
1744	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1745	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1746		1942
1747	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
1748		1953
1749	$self->enter_link;	1954	$self->enter_link;
1750		1955
1751	(async {	1956	(async {
1752	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1753	unless (eval {	1958	unless (eval {
1754	prepare_random_map $exit	1959	$self->goto ($slaying, $hp, $sp);
1755	if $exit->slaying eq "/!";
1756
1757	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1758	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1759		1960
1760	1;	1961	1;
1761	}) {	1962	}) {
1762	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1763	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
1764	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1765	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1766		1967
1767	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1768	$self->leave_link;	1969	$self->leave_link;
1769	}	1970	}
…		…
1824	# get handled first	2025	# get handled first
1825	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1826	or return; # be conservative, not sure how that can happen, but we saw a crash here	2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1827		2028
1828	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1829		2031
1830	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1831		2033
1832	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1833	if (@$queue) {	2035	if (@$queue) {
…		…
1994	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
1995	using it, it should be unique.	2197	using it, it should be unique.
1996		2198
1997	=over 4	2199	=over 4
1998		2200
1999	=item $hashref = cf::db_get $family
2000
2001	Return a hashref for use by the extension C<$family>, which can be
2002	modified. After modifications, you have to call C<cf::db_dirty> or
2003	C<cf::db_sync>.
2004
2005	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
2006		2202
2007	Returns a single value from the database	2203	Returns a single value from the database.
2008
2009	=item cf::db_put $family => $hashref
2010
2011	Stores the given family hashref into the database. Updates are delayed, if
2012	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2013		2204
2014	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
2015		2206
2016	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
2017	want the data to be synced to disk immediately, use C<cf::db_sync>.
2018
2019	=item cf::db_dirty
2020
2021	Marks the database as dirty, to be updated at a later time.
2022
2023	=item cf::db_sync
2024
2025	Immediately write the database to disk I<if it is dirty>.
2026		2208
2027	=cut	2209	=cut
2028		2210
2029	our $DB;	2211	our $DB;
2030		2212
2031	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
2032	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
2033		2232
2034	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
2035	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
2036	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
2037		2237
2038	my $pid;	2238	unlink $path;
2039
2040	sub db_save() {
2041	waitpid $pid, 0 if $pid;
2042	if (0 == ($pid = fork)) {
2043	$DB->{_meta}{version} = 1;
2044	Storable::nstore $DB, "$path~";
2045	rename "$path~", $path;
2046	cf::_exit 0 if defined $pid;
2047	}	2239	};
2048	}
2049
2050	my $dirty;
2051
2052	sub db_sync() {
2053	db_save if $dirty;
2054	undef $dirty;
2055	}
2056
2057	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2058	db_sync;
2059	});
2060
2061	sub db_dirty() {
2062	$dirty = 1;
2063	$idle->start;
2064	}
2065
2066	sub db_get($;$) {
2067	@_ >= 2
2068	? $DB->{$_[0]}{$_[1]}
2069	: ($DB->{$_[0]} ||= { })
2070	}
2071
2072	sub db_put($$;$) {
2073	if (@_ >= 3) {
2074	$DB->{$_[0]}{$_[1]} = $_[2];
2075	} else {
2076	$DB->{$_[0]} = $_[1];
2077	}
2078	db_dirty;
2079	}
2080
2081	cf::global->attach (
2082	prio => 10000,
2083	on_cleanup => sub {
2084	db_sync;
2085	},	2240	}
2086	);	2241	}
		2242	}
		2243
		2244	sub db_get($$) {
		2245	my $key = "$_[0]/$_[1]";
		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
		2255	sub db_put($$$) {
		2256	BDB::dbreq_pri 4;
		2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2087	}	2258	}
2088		2259
2089	#############################################################################	2260	#############################################################################
2090	# the server's main()	2261	# the server's init and main functions
		2262
		2263	sub load_resources {
		2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2265	or die "unable to load regions file\n";#d#
		2266	}
2091		2267
2092	sub cfg_load {	2268	sub cfg_load {
2093	open my $fh, "<:utf8", cf::confdir . "/config"	2269	open my $fh, "<:utf8", cf::confdir . "/config"
2094	or return;	2270	or return;
2095		2271
…		…
2108	};	2284	};
2109	warn $@ if $@;	2285	warn $@ if $@;
2110	}	2286	}
2111	}	2287	}
2112		2288
		2289	sub init {
		2290	load_resources;
		2291	}
		2292
2113	sub main {	2293	sub main {
2114	# we must not ever block the main coroutine	2294	# we must not ever block the main coroutine
2115	local $Coro::idle = sub {	2295	local $Coro::idle = sub {
2116	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2297	(async {
2117	async { Event::one_event };	2298	Event::one_event;
		2299	})->prio (Coro::PRIO_MAX);
2118	};	2300	};
2119		2301
2120	cfg_load;	2302	cfg_load;
2121	db_load;	2303	db_init;
2122	load_extensions;	2304	load_extensions;
		2305
		2306	$TICK_WATCHER->start;
2123	Event::loop;	2307	Event::loop;
2124	}	2308	}
2125		2309
2126	#############################################################################	2310	#############################################################################
2127	# initialisation	2311	# initialisation and cleanup
		2312
		2313	# install some emergency cleanup handlers
		2314	BEGIN {
		2315	for my $signal (qw(INT HUP TERM)) {
		2316	Event->signal (
		2317	reentrant => 0,
		2318	data => WF_AUTOCANCEL,
		2319	signal => $signal,
		2320	prio => 0,
		2321	cb => sub {
		2322	cf::cleanup "SIG$signal";
		2323	},
		2324	);
		2325	}
		2326	}
		2327
		2328	sub emergency_save() {
		2329	my $freeze_guard = cf::freeze_mainloop;
		2330
		2331	warn "enter emergency perl save\n";
		2332
		2333	cf::sync_job {
		2334	# use a peculiar iteration method to avoid tripping on perl
		2335	# refcount bugs in for. also avoids problems with players
		2336	# and maps saved/destroyed asynchronously.
		2337	warn "begin emergency player save\n";
		2338	for my $login (keys %cf::PLAYER) {
		2339	my $pl = $cf::PLAYER{$login} or next;
		2340	$pl->valid or next;
		2341	$pl->save;
		2342	}
		2343	warn "end emergency player save\n";
		2344
		2345	warn "begin emergency map save\n";
		2346	for my $path (keys %cf::MAP) {
		2347	my $map = $cf::MAP{$path} or next;
		2348	$map->valid or next;
		2349	$map->save;
		2350	}
		2351	warn "end emergency map save\n";
		2352
		2353	warn "begin emergency database checkpoint\n";
		2354	BDB::db_env_txn_checkpoint $DB_ENV;
		2355	warn "end emergency database checkpoint\n";
		2356	};
		2357
		2358	warn "leave emergency perl save\n";
		2359	}
		2360
		2361	sub post_cleanup {
		2362	my ($make_core) = @_;
		2363
		2364	warn Carp::longmess "post_cleanup backtrace"
		2365	if $make_core;
		2366	}
2128		2367
2129	sub reload() {	2368	sub reload() {
2130	# can/must only be called in main	2369	# can/must only be called in main
2131	if ($Coro::current != $Coro::main) {	2370	if ($Coro::current != $Coro::main) {
2132	warn "can only reload from main coroutine\n";	2371	warn "can only reload from main coroutine";
2133	return;	2372	return;
2134	}	2373	}
2135		2374
2136	warn "reloading...";	2375	warn "reloading...";
2137		2376
2138	my $guard = freeze_mainloop;	2377	warn "cancelling server ticker";
		2378	$TICK_WATCHER->cancel;
		2379
2139	cf::emergency_save;	2380	cf::emergency_save;
2140		2381
2141	eval {	2382	eval {
2142	# if anything goes wrong in here, we should simply crash as we already saved	2383	# if anything goes wrong in here, we should simply crash as we already saved
2143		2384
2144	# cancel all watchers	2385	warn "cancelling all WF_AUTOCANCEL watchers";
2145	for (Event::all_watchers) {	2386	for (Event::all_watchers) {
2146	$_->cancel if $_->data & WF_AUTOCANCEL;	2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2147	}	2388	}
2148		2389
		2390	warn "syncing database to disk";
		2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2392
		2393	warn "flushing outstanding aio requests";
		2394	for (;;) {
		2395	BDB::flush;
		2396	IO::AIO::flush;
		2397	Coro::cede;
		2398	last unless IO::AIO::nreqs || BDB::nreqs;
		2399	warn "iterate...";
		2400	}
		2401
2149	# cancel all extension coros	2402	warn "cancelling all extension coros";
2150	$_->cancel for values %EXT_CORO;	2403	$_->cancel for values %EXT_CORO;
2151	%EXT_CORO = ();	2404	%EXT_CORO = ();
2152		2405
2153	# unload all extensions	2406	warn "removing commands";
2154	for (@exts) {	2407	%COMMAND = ();
		2408
		2409	warn "removing ext commands";
		2410	%EXTCMD = ();
		2411
		2412	warn "unloading/nuking all extensions";
		2413	for my $pkg (@EXTS) {
2155	warn "unloading <$_>";	2414	warn "... unloading $pkg";
2156	unload_extension $_;	2415
		2416	if (my $cb = $pkg->can ("unload")) {
		2417	eval {
		2418	$cb->($pkg);
		2419	1
		2420	} or warn "$pkg unloaded, but with errors: $@";
2157	}	2421	}
2158		2422
		2423	warn "... nuking $pkg";
		2424	Symbol::delete_package $pkg;
		2425	}
		2426
2159	# unload all modules loaded from $LIBDIR	2427	warn "unloading all perl modules loaded from $LIBDIR";
2160	while (my ($k, $v) = each %INC) {	2428	while (my ($k, $v) = each %INC) {
2161	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2162		2430
2163	warn "removing <$k>";	2431	warn "... unloading $k";
2164	delete $INC{$k};	2432	delete $INC{$k};
2165		2433
2166	$k =~ s/\.pm$//;	2434	$k =~ s/\.pm$//;
2167	$k =~ s/\//::/g;	2435	$k =~ s/\//::/g;
2168		2436
…		…
2171	}	2439	}
2172		2440
2173	Symbol::delete_package $k;	2441	Symbol::delete_package $k;
2174	}	2442	}
2175		2443
2176	# sync database to disk
2177	cf::db_sync;
2178	IO::AIO::flush;
2179
2180	# get rid of safe::, as good as possible	2444	warn "getting rid of safe::, as good as possible";
2181	Symbol::delete_package "safe::$_"	2445	Symbol::delete_package "safe::$_"
2182	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2183		2447
2184	# remove register_script_function callbacks
2185	# TODO
2186
2187	# unload cf.pm "a bit"	2448	warn "unloading cf.pm \"a bit\"";
2188	delete $INC{"cf.pm"};	2449	delete $INC{"cf.pm"};
2189		2450
2190	# don't, removes xs symbols, too,	2451	# don't, removes xs symbols, too,
2191	# and global variables created in xs	2452	# and global variables created in xs
2192	#Symbol::delete_package __PACKAGE__;	2453	#Symbol::delete_package __PACKAGE__;
2193		2454
2194	# reload cf.pm	2455	warn "unload completed, starting to reload now";
		2456
2195	warn "reloading cf.pm";	2457	warn "reloading cf.pm";
2196	require cf;	2458	require cf;
2197	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2198		2460
2199	# load config and database again	2461	warn "loading config and database again";
2200	cf::cfg_load;	2462	cf::cfg_load;
2201	cf::db_load;
2202		2463
2203	# load extensions
2204	warn "load extensions";	2464	warn "loading extensions";
2205	cf::load_extensions;	2465	cf::load_extensions;
2206		2466
2207	# reattach attachments to objects	2467	warn "reattaching attachments to objects/players";
2208	warn "reattach";
2209	_global_reattach;	2468	_global_reattach;
		2469	warn "reattaching attachments to maps";
2210	reattach $_ for values %MAP;	2470	reattach $_ for values %MAP;
		2471
		2472	warn "loading reloadable resources";
		2473	load_resources;
		2474
		2475	warn "restarting server ticker";
		2476
		2477	$TICK_WATCHER->start;
2211	};	2478	};
2212		2479
2213	if ($@) {	2480	if ($@) {
2214	warn $@;	2481	warn $@;
2215	warn "error while reloading, exiting.";	2482	warn "error while reloading, exiting.";
2216	exit 1;	2483	exit 1;
2217	}	2484	}
2218		2485
2219	warn "reloaded successfully";	2486	warn "reloaded";
2220	};	2487	};
2221		2488
2222	#############################################################################	2489	our $RELOAD_WATCHER; # used only during reload
2223
2224	unless ($LINK_MAP) {
2225	$LINK_MAP = cf::map::new;
2226
2227	$LINK_MAP->width (41);
2228	$LINK_MAP->height (41);
2229	$LINK_MAP->alloc;
2230	$LINK_MAP->path ("{link}");
2231	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2232	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2233
2234	# dirty hack because... archetypes are not yet loaded
2235	Event->timer (
2236	after => 10,
2237	cb => sub {
2238	$_[0]->w->cancel;
2239
2240	# provide some exits "home"
2241	my $exit = cf::object::new "exit";
2242
2243	$exit->slaying ($EMERGENCY_POSITION->[0]);
2244	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2245	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2246
2247	$LINK_MAP->insert ($exit->clone, 19, 19);
2248	$LINK_MAP->insert ($exit->clone, 19, 20);
2249	$LINK_MAP->insert ($exit->clone, 19, 21);
2250	$LINK_MAP->insert ($exit->clone, 20, 19);
2251	$LINK_MAP->insert ($exit->clone, 20, 21);
2252	$LINK_MAP->insert ($exit->clone, 21, 19);
2253	$LINK_MAP->insert ($exit->clone, 21, 20);
2254	$LINK_MAP->insert ($exit->clone, 21, 21);
2255
2256	$exit->destroy;
2257	});
2258
2259	$LINK_MAP->{deny_save} = 1;
2260	$LINK_MAP->{deny_reset} = 1;
2261
2262	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2263	}
2264
2265	register "<global>", __PACKAGE__;
2266		2490
2267	register_command "reload" => sub {	2491	register_command "reload" => sub {
2268	my ($who, $arg) = @_;	2492	my ($who, $arg) = @_;
2269		2493
2270	if ($who->flag (FLAG_WIZ)) {	2494	if ($who->flag (FLAG_WIZ)) {
2271	$who->message ("start of reload.");	2495	$who->message ("reloading server.");
		2496
		2497	# doing reload synchronously and two reloads happen back-to-back,
		2498	# coro crashes during coro_state_free->destroy here.
		2499
		2500	$RELOAD_WATCHER ||= Event->timer (
		2501	reentrant => 0,
		2502	after => 0,
		2503	data => WF_AUTOCANCEL,
		2504	cb => sub {
2272	reload;	2505	reload;
2273	$who->message ("end of reload.");	2506	undef $RELOAD_WATCHER;
		2507	},
		2508	);
2274	}	2509	}
2275	};	2510	};
2276		2511
2277	unshift @INC, $LIBDIR;	2512	unshift @INC, $LIBDIR;
		2513
		2514	my $bug_warning = 0;
2278		2515
2279	$TICK_WATCHER = Event->timer (	2516	$TICK_WATCHER = Event->timer (
2280	reentrant => 0,	2517	reentrant => 0,
		2518	parked => 1,
2281	prio => 0,	2519	prio => 0,
2282	at => $NEXT_TICK || $TICK,	2520	at => $NEXT_TICK || $TICK,
2283	data => WF_AUTOCANCEL,	2521	data => WF_AUTOCANCEL,
2284	cb => sub {	2522	cb => sub {
		2523	if ($Coro::current != $Coro::main) {
		2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2525	unless ++$bug_warning > 10;
		2526	return;
		2527	}
		2528
		2529	$NOW = Event::time;
		2530
2285	cf::server_tick; # one server iteration	2531	cf::server_tick; # one server iteration
2286	$RUNTIME += $TICK;	2532	$RUNTIME += $TICK;
2287	$NEXT_TICK += $TICK;	2533	$NEXT_TICK += $TICK;
		2534
		2535	$WAIT_FOR_TICK->broadcast;
		2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2537
		2538	Event::sweep;
		2539	Coro::cede_notself;
		2540
		2541	# my $AFTER = Event::time;
		2542	# warn $AFTER - $NOW;#d#
2288		2543
2289	# if we are delayed by four ticks or more, skip them all	2544	# if we are delayed by four ticks or more, skip them all
2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2291		2546
2292	$TICK_WATCHER->at ($NEXT_TICK);	2547	$TICK_WATCHER->at ($NEXT_TICK);
2293	$TICK_WATCHER->start;	2548	$TICK_WATCHER->start;
2294	},	2549	},
2295	);	2550	);
2296		2551
		2552	{
		2553	BDB::max_poll_time $TICK * 0.1;
		2554	$BDB_POLL_WATCHER = Event->io (
		2555	reentrant => 0,
		2556	fd => BDB::poll_fileno,
		2557	poll => 'r',
		2558	prio => 0,
		2559	data => WF_AUTOCANCEL,
		2560	cb => \&BDB::poll_cb,
		2561	);
		2562	BDB::min_parallel 8;
		2563
		2564	BDB::set_sync_prepare {
		2565	my $status;
		2566	my $current = $Coro::current;
		2567	(
		2568	sub {
		2569	$status = $!;
		2570	$current->ready; undef $current;
		2571	},
		2572	sub {
		2573	Coro::schedule while defined $current;
		2574	$! = $status;
		2575	},
		2576	)
		2577	};
		2578
		2579	unless ($DB_ENV) {
		2580	$DB_ENV = BDB::db_env_create;
		2581
		2582	cf::sync_job {
		2583	eval {
		2584	BDB::db_env_open
		2585	$DB_ENV,
		2586	$BDB_ENV_DIR,
		2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2589	0666;
		2590
		2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2592
		2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2594	$DB_ENV->set_lk_detect;
		2595	};
		2596
		2597	cf::cleanup "db_env_open(db): $@" if $@;
		2598	};
		2599	}
		2600	}
		2601
		2602	{
		2603	IO::AIO::min_parallel 8;
		2604
		2605	undef $Coro::AIO::WATCHER;
2297	IO::AIO::max_poll_time $TICK * 0.2;	2606	IO::AIO::max_poll_time $TICK * 0.1;
2298		2607	$AIO_POLL_WATCHER = Event->io (
2299	Event->io (	2608	reentrant => 0,
2300	fd => IO::AIO::poll_fileno,	2609	fd => IO::AIO::poll_fileno,
2301	poll => 'r',	2610	poll => 'r',
2302	prio => 5,	2611	prio => 6,
2303	data => WF_AUTOCANCEL,	2612	data => WF_AUTOCANCEL,
2304	cb => \&IO::AIO::poll_cb,	2613	cb => \&IO::AIO::poll_cb,
2305	);	2614	);
		2615	}
2306		2616
2307	Event->timer (	2617	$WRITE_RUNTIME_WATCHER = Event->timer (
		2618	reentrant => 0,
2308	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2309	after => 0,	2620	after => 1,
2310	interval => 10,	2621	interval => 10,
2311	cb => sub {	2622	prio => 6, # keep it lowest so it acts like a watchdog
2312	(Coro::unblock_sub {	2623	cb => Coro::unblock_sub {
2313	write_runtime	2624	write_runtime
2314	or warn "ERROR: unable to write runtime file: $!";	2625	or warn "ERROR: unable to write runtime file: $!";
2315	})->();
2316	},	2626	},
2317	);	2627	);
2318		2628
2319	END { cf::emergency_save }	2629	END { cf::emergency_save }
2320		2630

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