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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.146 by root, Sun Jan 7 23:10:43 2007 UTC vs.
Revision 1.211 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];
1121		995
1122	my $guard = cf::lock_acquire "user_find:$login";	996	my $guard = cf::lock_acquire "user_find:$login";
1123		997
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	998	$cf::PLAYER{$_[0]} || do {
		999	my $pl = load_pl path $login
		1000	or return;
		1001	$cf::PLAYER{$login} = $pl
		1002	}
1125	};	1003	}
1126	}	1004	}
1127		1005
1128	sub save($) {	1006	sub save($) {
1129	my ($pl) = @_;	1007	my ($pl) = @_;
1130		1008
…		…
1133	my $path = path $pl;	1011	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1012	my $guard = cf::lock_acquire "user_save:$path";
1135		1013
1136	return if $pl->{deny_save};	1014	return if $pl->{deny_save};
1137		1015
1138	IO::AIO::aio_mkdir playerdir $pl, 0770;	1016	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1017	$pl->{last_save} = $cf::RUNTIME;
1140		1018
1141	Coro::cede;
1142	$pl->save_pl ($path);	1019	$pl->save_pl ($path);
1143	Coro::cede;	1020	Coro::cede;
1144	}	1021	}
1145		1022
1146	sub new($) {	1023	sub new($) {
…		…
1153		1030
1154	$cf::PLAYER{$login} = $self;	1031	$cf::PLAYER{$login} = $self;
1155		1032
1156	$self	1033	$self
1157	}	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
1158		1042
1159	sub quit_character {	1043	sub quit_character {
1160	my ($pl) = @_;	1044	my ($pl) = @_;
1161		1045
1162	$pl->{deny_save} = 1;	1046	$pl->{deny_save} = 1;
…		…
1167	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1051	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1168	$pl->ns->destroy if $pl->ns;	1052	$pl->ns->destroy if $pl->ns;
1169		1053
1170	my $path = playerdir $pl;	1054	my $path = playerdir $pl;
1171	my $temp = "$path~$cf::RUNTIME~deleting~";	1055	my $temp = "$path~$cf::RUNTIME~deleting~";
1172	IO::AIO::aio_rename $path, $temp, sub {	1056	aio_rename $path, $temp;
1173	delete $cf::PLAYER{$pl->ob->name};	1057	delete $cf::PLAYER{$pl->ob->name};
1174	$pl->destroy;	1058	$pl->destroy;
1175
1176	IO::AIO::aio_rmtree $temp;	1059	IO::AIO::aio_rmtree $temp;
		1060	}
		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;
1177	};	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
1178	}	1113	}
1179		1114
1180	=item $player->ext_reply ($msgid, $msgtype, %msg)	1115	=item $player->ext_reply ($msgid, $msgtype, %msg)
1181		1116
1182	Sends an ext reply to the player.	1117	Sends an ext reply to the player.
…		…
1205	package cf::map;	1140	package cf::map;
1206		1141
1207	use Fcntl;	1142	use Fcntl;
1208	use Coro::AIO;	1143	use Coro::AIO;
1209		1144
		1145	use overload
		1146	'""' => \&as_string,
		1147	fallback => 1;
		1148
1210	our $MAX_RESET = 3600;	1149	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1150	our $DEFAULT_RESET = 3000;
1212		1151
1213	sub generate_random_map {	1152	sub generate_random_map {
1214	my ($path, $rmp) = @_;	1153	my ($self, $rmp) = @_;
1215
1216	# mit "rum" bekleckern, nicht	1154	# mit "rum" bekleckern, nicht
1217	cf::map::_create_random_map	1155	$self->_create_random_map (
1218	$path,
1219	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1220	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1221	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1222	$rmp->{exit_on_final_map},	1159	$rmp->{exit_on_final_map},
1223	$rmp->{xsize}, $rmp->{ysize},	1160	$rmp->{xsize}, $rmp->{ysize},
1224	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1161	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1225	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1162	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1226	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1163	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1227	$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},
1228	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1165	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1229	(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
1230	}	1297	}
1231		1298
1232	# and all this just because we cannot iterate over	1299	# and all this just because we cannot iterate over
1233	# all maps in C++...	1300	# all maps in C++...
1234	sub change_all_map_light {	1301	sub change_all_map_light {
…		…
1236		1303
1237	$_->change_map_light ($change)	1304	$_->change_map_light ($change)
1238	for grep $_->outdoor, values %cf::MAP;	1305	for grep $_->outdoor, values %cf::MAP;
1239	}	1306	}
1240		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
1241	sub try_load_header($) {	1321	sub load_header_from($) {
1242	my ($path) = @_;	1322	my ($self, $path) = @_;
1243		1323
1244	utf8::encode $path;	1324	utf8::encode $path;
1245	aio_open $path, O_RDONLY, 0	1325	#aio_open $path, O_RDONLY, 0
		1326	# or return;
		1327
		1328	$self->_load_header ($path)
1246	or return;	1329	or return;
1247		1330
1248	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
1249	or return;	1374	or return;
		1375	$self->prepare_orig;
		1376	}
1250		1377
1251	# for better error messages only, will be overwritten	1378	1
1252	$map->path ($path);
1253
1254	$map->load_header ($path)
1255	or return;
1256
1257	$map->{load_path} = $path;
1258
1259	$map
1260	}	1379	}
1261		1380
1262	sub find;	1381	sub find;
1263	sub find {	1382	sub find {
1264	my ($path, $origin) = @_;	1383	my ($path, $origin) = @_;
1265		1384
1266	#warn "find<$path,$origin>\n";#d#
1267
1268	$path = new cf::path $path, $origin && $origin->path;	1385	$path = normalise $path, $origin && $origin->path;
1269	my $key = $path->as_string;
1270		1386
1271	cf::lock_wait "map_find:$key";	1387	cf::lock_wait "map_find:$path";
1272		1388
1273	$cf::MAP{$key} || do {	1389	$cf::MAP{$path} || do {
1274	my $guard = cf::lock_acquire "map_find:$key";	1390	my $guard = cf::lock_acquire "map_find:$path";
1275		1391	my $map = new_from_path cf::map $path
1276	# do it the slow way
1277	my $map = try_load_header $path->save_path;
1278
1279	Coro::cede;
1280
1281	if ($map) {
1282	$map->last_access ((delete $map->{last_access})
1283	|| $cf::RUNTIME); #d#
1284	# safety
1285	$map->{instantiate_time} = $cf::RUNTIME
1286	if $map->{instantiate_time} > $cf::RUNTIME;
1287	} else {
1288	if (my $rmp = $path->random_map_params) {
1289	$map = generate_random_map $key, $rmp;
1290	} else {
1291	$map = try_load_header $path->load_path;
1292	}
1293
1294	$map or return;	1392	or return;
1295		1393
1296	$map->{load_original} = 1;
1297	$map->{instantiate_time} = $cf::RUNTIME;
1298	$map->last_access ($cf::RUNTIME);
1299	$map->instantiate;
1300
1301	# per-player maps become, after loading, normal maps
1302	$map->per_player (0) if $path->{user_rel};
1303	}
1304
1305	$map->path ($key);
1306	$map->{path} = $path;
1307	$map->{last_save} = $cf::RUNTIME;	1394	$map->{last_save} = $cf::RUNTIME;
1308		1395
1309	Coro::cede;	1396	$map->load_header
		1397	or return;
1310		1398
1311	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;
1312	$map->reset;	1402	$map->reset;
1313	undef $guard;	1403	undef $guard;
1314	$map = find $path	1404	return find $path;
1315	or return;
1316	}	1405	}
1317		1406
1318	$cf::MAP{$key} = $map	1407	$cf::MAP{$path} = $map
1319	}	1408	}
1320	}	1409	}
		1410
		1411	sub pre_load { }
		1412	sub post_load { }
1321		1413
1322	sub load {	1414	sub load {
1323	my ($self) = @_;	1415	my ($self) = @_;
1324		1416
		1417	local $self->{deny_reset} = 1; # loading can take a long time
		1418
1325	my $path = $self->{path};	1419	my $path = $self->{path};
1326	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1420	my $guard = cf::lock_acquire "map_load:$path";
1327		1421
1328	return if $self->in_memory != cf::MAP_SWAPPED;	1422	return if $self->in_memory != cf::MAP_SWAPPED;
1329		1423
1330	$self->in_memory (cf::MAP_LOADING);	1424	$self->in_memory (cf::MAP_LOADING);
1331		1425
1332	$self->alloc;	1426	$self->alloc;
		1427
		1428	$self->pre_load;
		1429
1333	$self->load_objects ($self->{load_path}, 1)	1430	$self->_load_objects ($self->{load_path}, 1)
1334	or return;	1431	or return;
1335		1432
1336	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1337	if delete $self->{load_original};	1434	if delete $self->{load_original};
1338		1435
1339	if (my $uniq = $path->uniq_path) {	1436	if (my $uniq = $self->uniq_path) {
1340	utf8::encode $uniq;	1437	utf8::encode $uniq;
1341	if (aio_open $uniq, O_RDONLY, 0) {	1438	if (aio_open $uniq, O_RDONLY, 0) {
1342	$self->clear_unique_items;	1439	$self->clear_unique_items;
1343	$self->load_objects ($uniq, 0);	1440	$self->_load_objects ($uniq, 0);
1344	}	1441	}
1345	}	1442	}
1346		1443
1347	Coro::cede;	1444	Coro::cede;
1348		1445
1349	# now do the right thing for maps	1446	# now do the right thing for maps
1350	$self->link_multipart_objects;	1447	$self->link_multipart_objects;
1351		1448
1352	if ($self->{path}->is_style_map) {	1449	unless ($self->{deny_activate}) {
1353	$self->{deny_save} = 1;	1450	$self->decay_objects;
1354	$self->{deny_reset} = 1;
1355	} else {
1356	$self->fix_auto_apply;	1451	$self->fix_auto_apply;
1357	$self->decay_objects;
1358	$self->update_buttons;	1452	$self->update_buttons;
		1453	Coro::cede;
1359	$self->set_darkness_map;	1454	$self->set_darkness_map;
1360	$self->difficulty ($self->estimate_difficulty)	1455	$self->difficulty ($self->estimate_difficulty)
1361	unless $self->difficulty;	1456	unless $self->difficulty;
		1457	Coro::cede;
1362	$self->activate;	1458	$self->activate;
1363	}	1459	}
1364		1460
1365	Coro::cede;	1461	$self->post_load;
1366		1462
1367	$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	}
1368	}	1497	}
1369		1498
1370	sub find_sync {	1499	sub find_sync {
1371	my ($path, $origin) = @_;	1500	my ($path, $origin) = @_;
1372		1501
1373	cf::sync_job { cf::map::find $path, $origin }	1502	cf::sync_job { find $path, $origin }
1374	}	1503	}
1375		1504
1376	sub do_load_sync {	1505	sub do_load_sync {
1377	my ($map) = @_;	1506	my ($map) = @_;
1378		1507
1379	cf::sync_job { $map->load };	1508	cf::sync_job { $map->load };
1380	}	1509	}
1381		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
1382	sub save {	1541	sub save {
1383	my ($self) = @_;	1542	my ($self) = @_;
1384		1543
1385	my $lock = cf::lock_acquire "map_data:" . $self->path;	1544	my $lock = cf::lock_acquire "map_data:" . $self->path;
1386		1545
1387	$self->{last_save} = $cf::RUNTIME;	1546	$self->{last_save} = $cf::RUNTIME;
1388		1547
1389	return unless $self->dirty;	1548	return unless $self->dirty;
1390		1549
1391	my $save = $self->{path}->save_path; utf8::encode $save;	1550	my $save = $self->save_path; utf8::encode $save;
1392	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1551	my $uniq = $self->uniq_path; utf8::encode $uniq;
1393		1552
1394	$self->{load_path} = $save;	1553	$self->{load_path} = $save;
1395		1554
1396	return if $self->{deny_save};	1555	return if $self->{deny_save};
1397		1556
…		…
1400	cf::async {	1559	cf::async {
1401	$_->contr->save for $self->players;	1560	$_->contr->save for $self->players;
1402	};	1561	};
1403		1562
1404	if ($uniq) {	1563	if ($uniq) {
1405	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1406	$self->save_objects ($uniq, cf::IO_UNIQUES);	1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1407	} else {	1566	} else {
1408	$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);
1409	}	1568	}
1410	}	1569	}
1411		1570
1412	sub swap_out {	1571	sub swap_out {
1413	my ($self) = @_;	1572	my ($self) = @_;
…		…
1427		1586
1428	sub reset_at {	1587	sub reset_at {
1429	my ($self) = @_;	1588	my ($self) = @_;
1430		1589
1431	# TODO: safety, remove and allow resettable per-player maps	1590	# TODO: safety, remove and allow resettable per-player maps
1432	return 1e99 if $self->{path}{user_rel};	1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1433	return 1e99 if $self->{deny_reset};	1592	return 1e99 if $self->{deny_reset};
1434		1593
1435	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1436	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;
1437		1596
…		…
1442	my ($self) = @_;	1601	my ($self) = @_;
1443		1602
1444	$self->reset_at <= $cf::RUNTIME	1603	$self->reset_at <= $cf::RUNTIME
1445	}	1604	}
1446		1605
1447	sub unlink_save {
1448	my ($self) = @_;
1449
1450	utf8::encode (my $save = $self->{path}->save_path);
1451	aioreq_pri 3; IO::AIO::aio_unlink $save;
1452	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1453	}
1454
1455	sub rename {
1456	my ($self, $new_path) = @_;
1457
1458	$self->unlink_save;
1459
1460	delete $cf::MAP{$self->path};
1461	$self->{path} = new cf::path $new_path;
1462	$self->path ($self->{path}->as_string);
1463	$cf::MAP{$self->path} = $self;
1464
1465	$self->save;
1466	}
1467
1468	sub reset {	1606	sub reset {
1469	my ($self) = @_;	1607	my ($self) = @_;
1470		1608
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1609	my $lock = cf::lock_acquire "map_data:$self->{path}";
1472		1610
1473	return if $self->players;	1611	return if $self->players;
1474	return if $self->{path}{user_rel};#d#	1612	return if $self->isa ("ext::map_per_player");#d#
1475		1613
1476	warn "resetting map ", $self->path;#d#	1614	warn "resetting map ", $self->path;#d#
1477		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
1478	delete $cf::MAP{$self->path};	1626	delete $cf::MAP{$self->path};
		1627
		1628	$self->clear;
1479		1629
1480	$_->clear_links_to ($self) for values %cf::MAP;	1630	$_->clear_links_to ($self) for values %cf::MAP;
1481		1631
1482	$self->unlink_save;	1632	$self->unlink_save;
1483	$self->destroy;	1633	$self->destroy;
…		…
1486	my $nuke_counter = "aaaa";	1636	my $nuke_counter = "aaaa";
1487		1637
1488	sub nuke {	1638	sub nuke {
1489	my ($self) = @_;	1639	my ($self) = @_;
1490		1640
		1641	delete $cf::MAP{$self->path};
		1642
		1643	$self->unlink_save;
		1644
		1645	bless $self, "cf::map";
		1646	delete $self->{deny_reset};
1491	$self->{deny_save} = 1;	1647	$self->{deny_save} = 1;
1492	$self->reset_timeout (1);	1648	$self->reset_timeout (1);
1493	$self->rename ("{nuke}/" . ($nuke_counter++));	1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1650
		1651	$cf::MAP{$self->path} = $self;
		1652
1494	$self->reset; # polite request, might not happen	1653	$self->reset; # polite request, might not happen
1495	}	1654	}
1496		1655
1497	sub customise_for {	1656	=item cf::map::unique_maps
1498	my ($map, $ob) = @_;
1499		1657
1500	if ($map->per_player) {	1658	Returns an arrayref of paths of all shared maps that have
1501	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1659	instantiated unique items. May block.
1502	}
1503		1660
1504	$map	1661	=cut
1505	}
1506		1662
1507	sub emergency_save {	1663	sub unique_maps() {
1508	my $freeze_guard = cf::freeze_mainloop;	1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1665	or return;
1509		1666
1510	warn "enter emergency perl save\n";	1667	my @paths;
1511		1668
1512	cf::sync_job {	1669	for (@$files) {
1513	warn "begin emergency player save\n";	1670	utf8::decode $_;
1514	$_->save for values %cf::PLAYER;	1671	next if /\.pst$/;
1515	warn "end emergency player save\n";	1672	next unless /^$PATH_SEP/o;
1516		1673
1517	warn "begin emergency map save\n";	1674	push @paths, cf::map::normalise $_;
1518	$_->save for values %cf::MAP;
1519	warn "end emergency map save\n";
1520	};	1675	}
1521		1676
1522	warn "leave emergency perl save\n";	1677	\@paths
1523	}	1678	}
1524		1679
1525	package cf;	1680	package cf;
1526		1681
1527	=back	1682	=back
1528		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
1529		1710
1530	=head3 cf::object::player	1711	=head3 cf::object::player
1531		1712
1532	=over 4	1713	=over 4
1533		1714
…		…
1573		1754
1574	=item $player_object->enter_link	1755	=item $player_object->enter_link
1575		1756
1576	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}>).
1577		1758
1578	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
1579	I<MUST> call C<leave_link> as soon as possible, though.	1760	I<MUST> call C<leave_link> as soon as possible, though.
1580		1761
		1762	Will never block.
		1763
1581	=item $player_object->leave_link ($map, $x, $y)	1764	=item $player_object->leave_link ($map, $x, $y)
1582		1765
1583	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
1584	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
1585	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
1586	to the emergency map position.	1769	fails, to the emergency map position.
1587		1770
1588	Might block.	1771	Might block.
1589		1772
1590	=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	}
1591		1784
1592	sub cf::object::player::enter_link {	1785	sub cf::object::player::enter_link {
1593	my ($self) = @_;	1786	my ($self) = @_;
1594		1787
1595	$self->deactivate_recursive;	1788	$self->deactivate_recursive;
1596		1789
1597	return if $self->map == $LINK_MAP;	1790	return if UNIVERSAL::isa $self->map, "ext::map_link";
1598		1791
1599	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1600	if $self->map;	1793	if $self->map;
1601		1794
1602	$self->enter_map ($LINK_MAP, 20, 20);	1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1603	}	1796	}
1604		1797
1605	sub cf::object::player::leave_link {	1798	sub cf::object::player::leave_link {
1606	my ($self, $map, $x, $y) = @_;	1799	my ($self, $map, $x, $y) = @_;
1607		1800
…		…
1625	# use -1 or undef as default coordinates, not 0, 0	1818	# use -1 or undef as default coordinates, not 0, 0
1626	($x, $y) = ($map->enter_x, $map->enter_y)	1819	($x, $y) = ($map->enter_x, $map->enter_y)
1627	if $x <=0 && $y <= 0;	1820	if $x <=0 && $y <= 0;
1628		1821
1629	$map->load;	1822	$map->load;
		1823	$map->load_diag;
1630		1824
1631	return unless $self->contr->active;	1825	return unless $self->contr->active;
1632	$self->activate_recursive;	1826	$self->activate_recursive;
1633	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1634	}	1828	}
…		…
1673	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1674		1868
1675	$self->enter_link;	1869	$self->enter_link;
1676		1870
1677	(async {	1871	(async {
1678	$path = new cf::path $path;	1872	my $map = eval {
1679
1680	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1681	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1682		1875	$map
1683	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1684	# if $map;
1685
1686	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1687		1878
1688	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1689	})->prio (1);	1880	})->prio (1);
1690	}	1881	}
1691		1882
…		…
1695		1886
1696	sub parse_random_map_params {	1887	sub parse_random_map_params {
1697	my ($spec) = @_;	1888	my ($spec) = @_;
1698		1889
1699	my $rmp = { # defaults	1890	my $rmp = { # defaults
1700	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1701	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1702	};	1895	};
1703		1896
1704	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1705	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1706		1899
…		…
1710	$rmp	1903	$rmp
1711	}	1904	}
1712		1905
1713	sub prepare_random_map {	1906	sub prepare_random_map {
1714	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1715		1910
1716	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1717	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1718	# that depends on the exit object	1913	# that depends on the exit object
1719		1914
1720	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1721		1916
1722	if ($exit->map) {	1917	if ($exit->map) {
1723	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1724	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1725	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1726	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1727	}	1922	}
1728		1923
1729	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1730		1925
1731	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1732	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1733		1929
1734	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1735	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1736		1934
1737	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1738	$exit->msg (undef);	1936	$exit->msg (undef);
1739	}	1937	}
1740	}	1938	}
1741		1939
1742	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1743	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1744		1942
1745	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
1746		1953
1747	$self->enter_link;	1954	$self->enter_link;
1748		1955
1749	(async {	1956	(async {
1750	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1751	unless (eval {	1958	unless (eval {
1752	prepare_random_map $exit	1959	$self->goto ($slaying, $hp, $sp);
1753	if $exit->slaying eq "/!";
1754
1755	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1756	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1757		1960
1758	1;	1961	1;
1759	}) {	1962	}) {
1760	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1761	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
1762	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1763	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1764		1967
1765	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1766	$self->leave_link;	1969	$self->leave_link;
1767	}	1970	}
…		…
1822	# get handled first	2025	# get handled first
1823	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1824	or return; # be conservative, not sure how that can happen, but we saw a crash here	2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1825		2028
1826	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1827		2031
1828	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1829		2033
1830	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1831	if (@$queue) {	2035	if (@$queue) {
…		…
1992	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
1993	using it, it should be unique.	2197	using it, it should be unique.
1994		2198
1995	=over 4	2199	=over 4
1996		2200
1997	=item $hashref = cf::db_get $family
1998
1999	Return a hashref for use by the extension C<$family>, which can be
2000	modified. After modifications, you have to call C<cf::db_dirty> or
2001	C<cf::db_sync>.
2002
2003	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
2004		2202
2005	Returns a single value from the database	2203	Returns a single value from the database.
2006
2007	=item cf::db_put $family => $hashref
2008
2009	Stores the given family hashref into the database. Updates are delayed, if
2010	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2011		2204
2012	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
2013		2206
2014	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
2015	want the data to be synced to disk immediately, use C<cf::db_sync>.
2016
2017	=item cf::db_dirty
2018
2019	Marks the database as dirty, to be updated at a later time.
2020
2021	=item cf::db_sync
2022
2023	Immediately write the database to disk I<if it is dirty>.
2024		2208
2025	=cut	2209	=cut
2026		2210
2027	our $DB;	2211	our $DB;
2028		2212
2029	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
2030	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
2031		2232
2032	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
2033	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
2034	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
2035		2237
2036	my $pid;	2238	unlink $path;
2037
2038	sub db_save() {
2039	waitpid $pid, 0 if $pid;
2040	if (0 == ($pid = fork)) {
2041	$DB->{_meta}{version} = 1;
2042	Storable::nstore $DB, "$path~";
2043	rename "$path~", $path;
2044	cf::_exit 0 if defined $pid;
2045	}	2239	};
2046	}
2047
2048	my $dirty;
2049
2050	sub db_sync() {
2051	db_save if $dirty;
2052	undef $dirty;
2053	}
2054
2055	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2056	db_sync;
2057	});
2058
2059	sub db_dirty() {
2060	$dirty = 1;
2061	$idle->start;
2062	}
2063
2064	sub db_get($;$) {
2065	@_ >= 2
2066	? $DB->{$_[0]}{$_[1]}
2067	: ($DB->{$_[0]} ||= { })
2068	}
2069
2070	sub db_put($$;$) {
2071	if (@_ >= 3) {
2072	$DB->{$_[0]}{$_[1]} = $_[2];
2073	} else {
2074	$DB->{$_[0]} = $_[1];
2075	}
2076	db_dirty;
2077	}
2078
2079	cf::global->attach (
2080	prio => 10000,
2081	on_cleanup => sub {
2082	db_sync;
2083	},	2240	}
2084	);	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 { };
2085	}	2258	}
2086		2259
2087	#############################################################################	2260	#############################################################################
2088	# 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	}
2089		2267
2090	sub cfg_load {	2268	sub cfg_load {
2091	open my $fh, "<:utf8", cf::confdir . "/config"	2269	open my $fh, "<:utf8", cf::confdir . "/config"
2092	or return;	2270	or return;
2093		2271
…		…
2099	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2277	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2100	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2278	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2101		2279
2102	if (exists $CFG{mlockall}) {	2280	if (exists $CFG{mlockall}) {
2103	eval {	2281	eval {
2104	$CFG{mlockall} ? &mlockall : &munlockall	2282	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2105	and die "WARNING: m(un)lockall failed: $!\n";	2283	and die "WARNING: m(un)lockall failed: $!\n";
2106	};	2284	};
2107	warn $@ if $@;	2285	warn $@ if $@;
2108	}	2286	}
		2287	}
		2288
		2289	sub init {
		2290	load_resources;
2109	}	2291	}
2110		2292
2111	sub main {	2293	sub main {
2112	# we must not ever block the main coroutine	2294	# we must not ever block the main coroutine
2113	local $Coro::idle = sub {	2295	local $Coro::idle = sub {
2114	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 {
2115	async { Event::one_event };	2298	Event::one_event;
		2299	})->prio (Coro::PRIO_MAX);
2116	};	2300	};
2117		2301
2118	cfg_load;	2302	cfg_load;
2119	db_load;	2303	db_init;
2120	load_extensions;	2304	load_extensions;
		2305
		2306	$TICK_WATCHER->start;
2121	Event::loop;	2307	Event::loop;
2122	}	2308	}
2123		2309
2124	#############################################################################	2310	#############################################################################
2125	# 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 $make_core;
		2366	}
2126		2367
2127	sub reload() {	2368	sub reload() {
2128	# can/must only be called in main	2369	# can/must only be called in main
2129	if ($Coro::current != $Coro::main) {	2370	if ($Coro::current != $Coro::main) {
2130	warn "can only reload from main coroutine\n";	2371	warn "can only reload from main coroutine";
2131	return;	2372	return;
2132	}	2373	}
2133		2374
2134	warn "reloading...";	2375	warn "reloading...";
2135		2376
2136	my $guard = freeze_mainloop;	2377	warn "cancelling server ticker";
		2378	$TICK_WATCHER->cancel;
		2379
2137	cf::emergency_save;	2380	cf::emergency_save;
2138		2381
2139	eval {	2382	eval {
2140	# 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
2141		2384
2142	# cancel all watchers	2385	warn "cancelling all WF_AUTOCANCEL watchers";
2143	for (Event::all_watchers) {	2386	for (Event::all_watchers) {
2144	$_->cancel if $_->data & WF_AUTOCANCEL;	2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2145	}	2388	}
2146		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
2147	# cancel all extension coros	2402	warn "cancelling all extension coros";
2148	$_->cancel for values %EXT_CORO;	2403	$_->cancel for values %EXT_CORO;
2149	%EXT_CORO = ();	2404	%EXT_CORO = ();
2150		2405
2151	# unload all extensions	2406	warn "removing commands";
2152	for (@exts) {	2407	%COMMAND = ();
		2408
		2409	warn "removing ext commands";
		2410	%EXTCMD = ();
		2411
		2412	warn "unloading/nuking all extensions";
		2413	for my $pkg (@EXTS) {
2153	warn "unloading <$_>";	2414	warn "... unloading $pkg";
2154	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: $@";
2155	}	2421	}
2156		2422
		2423	warn "... nuking $pkg";
		2424	Symbol::delete_package $pkg;
		2425	}
		2426
2157	# unload all modules loaded from $LIBDIR	2427	warn "unloading all perl modules loaded from $LIBDIR";
2158	while (my ($k, $v) = each %INC) {	2428	while (my ($k, $v) = each %INC) {
2159	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2160		2430
2161	warn "removing <$k>";	2431	warn "... unloading $k";
2162	delete $INC{$k};	2432	delete $INC{$k};
2163		2433
2164	$k =~ s/\.pm$//;	2434	$k =~ s/\.pm$//;
2165	$k =~ s/\//::/g;	2435	$k =~ s/\//::/g;
2166		2436
…		…
2169	}	2439	}
2170		2440
2171	Symbol::delete_package $k;	2441	Symbol::delete_package $k;
2172	}	2442	}
2173		2443
2174	# sync database to disk
2175	cf::db_sync;
2176	IO::AIO::flush;
2177
2178	# get rid of safe::, as good as possible	2444	warn "getting rid of safe::, as good as possible";
2179	Symbol::delete_package "safe::$_"	2445	Symbol::delete_package "safe::$_"
2180	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);
2181		2447
2182	# remove register_script_function callbacks
2183	# TODO
2184
2185	# unload cf.pm "a bit"	2448	warn "unloading cf.pm \"a bit\"";
2186	delete $INC{"cf.pm"};	2449	delete $INC{"cf.pm"};
2187		2450
2188	# don't, removes xs symbols, too,	2451	# don't, removes xs symbols, too,
2189	# and global variables created in xs	2452	# and global variables created in xs
2190	#Symbol::delete_package __PACKAGE__;	2453	#Symbol::delete_package __PACKAGE__;
2191		2454
2192	# reload cf.pm	2455	warn "unload completed, starting to reload now";
		2456
2193	warn "reloading cf.pm";	2457	warn "reloading cf.pm";
2194	require cf;	2458	require cf;
2195	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2196		2460
2197	# load config and database again	2461	warn "loading config and database again";
2198	cf::cfg_load;	2462	cf::cfg_load;
2199	cf::db_load;
2200		2463
2201	# load extensions
2202	warn "load extensions";	2464	warn "loading extensions";
2203	cf::load_extensions;	2465	cf::load_extensions;
2204		2466
2205	# reattach attachments to objects	2467	warn "reattaching attachments to objects/players";
2206	warn "reattach";
2207	_global_reattach;	2468	_global_reattach;
		2469	warn "reattaching attachments to maps";
2208	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	$TICK_WATCHER->start;
2209	};	2478	};
2210		2479
2211	if ($@) {	2480	if ($@) {
2212	warn $@;	2481	warn $@;
2213	warn "error while reloading, exiting.";	2482	warn "error while reloading, exiting.";
2214	exit 1;	2483	exit 1;
2215	}	2484	}
2216		2485
2217	warn "reloaded successfully";	2486	warn "reloaded";
2218	};	2487	};
2219		2488
2220	#############################################################################	2489	our $RELOAD_WATCHER; # used only during reload
2221
2222	unless ($LINK_MAP) {
2223	$LINK_MAP = cf::map::new;
2224
2225	$LINK_MAP->width (41);
2226	$LINK_MAP->height (41);
2227	$LINK_MAP->alloc;
2228	$LINK_MAP->path ("{link}");
2229	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2230	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2231
2232	# dirty hack because... archetypes are not yet loaded
2233	Event->timer (
2234	after => 10,
2235	cb => sub {
2236	$_[0]->w->cancel;
2237
2238	# provide some exits "home"
2239	my $exit = cf::object::new "exit";
2240
2241	$exit->slaying ($EMERGENCY_POSITION->[0]);
2242	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2243	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2244
2245	$LINK_MAP->insert ($exit->clone, 19, 19);
2246	$LINK_MAP->insert ($exit->clone, 19, 20);
2247	$LINK_MAP->insert ($exit->clone, 19, 21);
2248	$LINK_MAP->insert ($exit->clone, 20, 19);
2249	$LINK_MAP->insert ($exit->clone, 20, 21);
2250	$LINK_MAP->insert ($exit->clone, 21, 19);
2251	$LINK_MAP->insert ($exit->clone, 21, 20);
2252	$LINK_MAP->insert ($exit->clone, 21, 21);
2253
2254	$exit->destroy;
2255	});
2256
2257	$LINK_MAP->{deny_save} = 1;
2258	$LINK_MAP->{deny_reset} = 1;
2259
2260	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2261	}
2262
2263	register "<global>", __PACKAGE__;
2264		2490
2265	register_command "reload" => sub {	2491	register_command "reload" => sub {
2266	my ($who, $arg) = @_;	2492	my ($who, $arg) = @_;
2267		2493
2268	if ($who->flag (FLAG_WIZ)) {	2494	if ($who->flag (FLAG_WIZ)) {
2269	$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 {
2270	reload;	2505	reload;
2271	$who->message ("end of reload.");	2506	undef $RELOAD_WATCHER;
		2507	},
		2508	);
2272	}	2509	}
2273	};	2510	};
2274		2511
2275	unshift @INC, $LIBDIR;	2512	unshift @INC, $LIBDIR;
		2513
		2514	my $bug_warning = 0;
2276		2515
2277	$TICK_WATCHER = Event->timer (	2516	$TICK_WATCHER = Event->timer (
2278	reentrant => 0,	2517	reentrant => 0,
		2518	parked => 1,
2279	prio => 0,	2519	prio => 0,
2280	at => $NEXT_TICK || $TICK,	2520	at => $NEXT_TICK || $TICK,
2281	data => WF_AUTOCANCEL,	2521	data => WF_AUTOCANCEL,
2282	cb => sub {	2522	cb => sub {
		2523	if ($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
2283	cf::server_tick; # one server iteration	2531	cf::server_tick; # one server iteration
2284	$RUNTIME += $TICK;	2532	$RUNTIME += $TICK;
2285	$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#
2286		2543
2287	# 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
2288	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2289		2546
2290	$TICK_WATCHER->at ($NEXT_TICK);	2547	$TICK_WATCHER->at ($NEXT_TICK);
2291	$TICK_WATCHER->start;	2548	$TICK_WATCHER->start;
2292	},	2549	},
2293	);	2550	);
2294		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;
2295	IO::AIO::max_poll_time $TICK * 0.2;	2606	IO::AIO::max_poll_time $TICK * 0.1;
2296		2607	$AIO_POLL_WATCHER = Event->io (
2297	Event->io (	2608	reentrant => 0,
2298	fd => IO::AIO::poll_fileno,	2609	fd => IO::AIO::poll_fileno,
2299	poll => 'r',	2610	poll => 'r',
2300	prio => 5,	2611	prio => 6,
2301	data => WF_AUTOCANCEL,	2612	data => WF_AUTOCANCEL,
2302	cb => \&IO::AIO::poll_cb,	2613	cb => \&IO::AIO::poll_cb,
2303	);	2614	);
		2615	}
2304		2616
2305	Event->timer (	2617	$WRITE_RUNTIME_WATCHER = Event->timer (
		2618	reentrant => 0,
2306	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2307	after => 0,	2620	after => 1,
2308	interval => 10,	2621	interval => 10,
2309	cb => sub {	2622	prio => 6, # keep it lowest so it acts like a watchdog
2310	(Coro::unblock_sub {	2623	cb => Coro::unblock_sub {
2311	write_runtime	2624	write_runtime
2312	or warn "ERROR: unable to write runtime file: $!";	2625	or warn "ERROR: unable to write runtime file: $!";
2313	})->();
2314	},	2626	},
2315	);	2627	);
2316		2628
2317	END { cf::emergency_save }	2629	END { cf::emergency_save }
2318		2630

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