ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.150 by root, Mon Jan 8 19:25:53 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	Coro::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	$pl->save_pl ($path);	1019	$pl->save_pl ($path);
1142	Coro::cede;	1020	Coro::cede;
1143	}	1021	}
…		…
1152		1030
1153	$cf::PLAYER{$login} = $self;	1031	$cf::PLAYER{$login} = $self;
1154		1032
1155	$self	1033	$self
1156	}	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
1157		1042
1158	sub quit_character {	1043	sub quit_character {
1159	my ($pl) = @_;	1044	my ($pl) = @_;
1160		1045
1161	$pl->{deny_save} = 1;	1046	$pl->{deny_save} = 1;
…		…
1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1051	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1167	$pl->ns->destroy if $pl->ns;	1052	$pl->ns->destroy if $pl->ns;
1168		1053
1169	my $path = playerdir $pl;	1054	my $path = playerdir $pl;
1170	my $temp = "$path~$cf::RUNTIME~deleting~";	1055	my $temp = "$path~$cf::RUNTIME~deleting~";
1171	Coro::AIO::aio_rename $path, $temp;	1056	aio_rename $path, $temp;
1172	delete $cf::PLAYER{$pl->ob->name};	1057	delete $cf::PLAYER{$pl->ob->name};
1173	$pl->destroy;	1058	$pl->destroy;
1174	IO::AIO::aio_rmtree $temp;	1059	IO::AIO::aio_rmtree $temp;
1175	}	1060	}
1176		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
1177	=item $player->ext_reply ($msgid, $msgtype, %msg)	1115	=item $player->ext_reply ($msgid, $msgtype, %msg)
1178		1116
1179	Sends an ext reply to the player.	1117	Sends an ext reply to the player.
1180		1118
1181	=cut	1119	=cut
…		…
1202	package cf::map;	1140	package cf::map;
1203		1141
1204	use Fcntl;	1142	use Fcntl;
1205	use Coro::AIO;	1143	use Coro::AIO;
1206		1144
		1145	use overload
		1146	'""' => \&as_string,
		1147	fallback => 1;
		1148
1207	our $MAX_RESET = 3600;	1149	our $MAX_RESET = 3600;
1208	our $DEFAULT_RESET = 3000;	1150	our $DEFAULT_RESET = 3000;
1209		1151
1210	sub generate_random_map {	1152	sub generate_random_map {
1211	my ($path, $rmp) = @_;	1153	my ($self, $rmp) = @_;
1212
1213	# mit "rum" bekleckern, nicht	1154	# mit "rum" bekleckern, nicht
1214	cf::map::_create_random_map	1155	$self->_create_random_map (
1215	$path,
1216	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1217	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1218	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1219	$rmp->{exit_on_final_map},	1159	$rmp->{exit_on_final_map},
1220	$rmp->{xsize}, $rmp->{ysize},	1160	$rmp->{xsize}, $rmp->{ysize},
1221	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1161	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1222	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1162	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1223	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1163	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1224	$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},
1225	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1165	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1226	(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
1227	}	1297	}
1228		1298
1229	# and all this just because we cannot iterate over	1299	# and all this just because we cannot iterate over
1230	# all maps in C++...	1300	# all maps in C++...
1231	sub change_all_map_light {	1301	sub change_all_map_light {
…		…
1233		1303
1234	$_->change_map_light ($change)	1304	$_->change_map_light ($change)
1235	for grep $_->outdoor, values %cf::MAP;	1305	for grep $_->outdoor, values %cf::MAP;
1236	}	1306	}
1237		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
1238	sub try_load_header($) {	1321	sub load_header_from($) {
1239	my ($path) = @_;	1322	my ($self, $path) = @_;
1240		1323
1241	utf8::encode $path;	1324	utf8::encode $path;
1242	aio_open $path, O_RDONLY, 0	1325	#aio_open $path, O_RDONLY, 0
		1326	# or return;
		1327
		1328	$self->_load_header ($path)
1243	or return;	1329	or return;
1244		1330
1245	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
1246	or return;	1374	or return;
		1375	$self->prepare_orig;
		1376	}
1247		1377
1248	# for better error messages only, will be overwritten	1378	1
1249	$map->path ($path);
1250
1251	$map->load_header ($path)
1252	or return;
1253
1254	$map->{load_path} = $path;
1255
1256	$map
1257	}	1379	}
1258		1380
1259	sub find;	1381	sub find;
1260	sub find {	1382	sub find {
1261	my ($path, $origin) = @_;	1383	my ($path, $origin) = @_;
1262		1384
1263	#warn "find<$path,$origin>\n";#d#
1264
1265	$path = new cf::path $path, $origin && $origin->path;	1385	$path = normalise $path, $origin && $origin->path;
1266	my $key = $path->as_string;
1267		1386
1268	cf::lock_wait "map_find:$key";	1387	cf::lock_wait "map_find:$path";
1269		1388
1270	$cf::MAP{$key} || do {	1389	$cf::MAP{$path} || do {
1271	my $guard = cf::lock_acquire "map_find:$key";	1390	my $guard = cf::lock_acquire "map_find:$path";
1272		1391	my $map = new_from_path cf::map $path
1273	# do it the slow way
1274	my $map = try_load_header $path->save_path;
1275
1276	Coro::cede;
1277
1278	if ($map) {
1279	$map->last_access ((delete $map->{last_access})
1280	|| $cf::RUNTIME); #d#
1281	# safety
1282	$map->{instantiate_time} = $cf::RUNTIME
1283	if $map->{instantiate_time} > $cf::RUNTIME;
1284	} else {
1285	if (my $rmp = $path->random_map_params) {
1286	$map = generate_random_map $key, $rmp;
1287	} else {
1288	$map = try_load_header $path->load_path;
1289	}
1290
1291	$map or return;	1392	or return;
1292		1393
1293	$map->{load_original} = 1;
1294	$map->{instantiate_time} = $cf::RUNTIME;
1295	$map->last_access ($cf::RUNTIME);
1296	$map->instantiate;
1297
1298	# per-player maps become, after loading, normal maps
1299	$map->per_player (0) if $path->{user_rel};
1300	}
1301
1302	$map->path ($key);
1303	$map->{path} = $path;
1304	$map->{last_save} = $cf::RUNTIME;	1394	$map->{last_save} = $cf::RUNTIME;
1305		1395
1306	Coro::cede;	1396	$map->load_header
		1397	or return;
1307		1398
1308	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;
1309	$map->reset;	1402	$map->reset;
1310	undef $guard;	1403	undef $guard;
1311	$map = find $path	1404	return find $path;
1312	or return;
1313	}	1405	}
1314		1406
1315	$cf::MAP{$key} = $map	1407	$cf::MAP{$path} = $map
1316	}	1408	}
1317	}	1409	}
		1410
		1411	sub pre_load { }
		1412	sub post_load { }
1318		1413
1319	sub load {	1414	sub load {
1320	my ($self) = @_;	1415	my ($self) = @_;
1321		1416
		1417	local $self->{deny_reset} = 1; # loading can take a long time
		1418
1322	my $path = $self->{path};	1419	my $path = $self->{path};
1323	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1420	my $guard = cf::lock_acquire "map_load:$path";
1324		1421
1325	return if $self->in_memory != cf::MAP_SWAPPED;	1422	return if $self->in_memory != cf::MAP_SWAPPED;
1326		1423
1327	$self->in_memory (cf::MAP_LOADING);	1424	$self->in_memory (cf::MAP_LOADING);
1328		1425
1329	$self->alloc;	1426	$self->alloc;
		1427
		1428	$self->pre_load;
		1429
1330	$self->load_objects ($self->{load_path}, 1)	1430	$self->_load_objects ($self->{load_path}, 1)
1331	or return;	1431	or return;
1332		1432
1333	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1334	if delete $self->{load_original};	1434	if delete $self->{load_original};
1335		1435
1336	if (my $uniq = $path->uniq_path) {	1436	if (my $uniq = $self->uniq_path) {
1337	utf8::encode $uniq;	1437	utf8::encode $uniq;
1338	if (aio_open $uniq, O_RDONLY, 0) {	1438	if (aio_open $uniq, O_RDONLY, 0) {
1339	$self->clear_unique_items;	1439	$self->clear_unique_items;
1340	$self->load_objects ($uniq, 0);	1440	$self->_load_objects ($uniq, 0);
1341	}	1441	}
1342	}	1442	}
1343		1443
1344	Coro::cede;	1444	Coro::cede;
1345		1445
1346	# now do the right thing for maps	1446	# now do the right thing for maps
1347	$self->link_multipart_objects;	1447	$self->link_multipart_objects;
1348		1448
1349	if ($self->{path}->is_style_map) {	1449	unless ($self->{deny_activate}) {
1350	$self->{deny_save} = 1;	1450	$self->decay_objects;
1351	$self->{deny_reset} = 1;
1352	} else {
1353	$self->fix_auto_apply;	1451	$self->fix_auto_apply;
1354	$self->decay_objects;
1355	$self->update_buttons;	1452	$self->update_buttons;
		1453	Coro::cede;
1356	$self->set_darkness_map;	1454	$self->set_darkness_map;
1357	$self->difficulty ($self->estimate_difficulty)	1455	$self->difficulty ($self->estimate_difficulty)
1358	unless $self->difficulty;	1456	unless $self->difficulty;
		1457	Coro::cede;
1359	$self->activate;	1458	$self->activate;
1360	}	1459	}
1361		1460
1362	Coro::cede;	1461	$self->post_load;
1363		1462
1364	$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	}
1365	}	1497	}
1366		1498
1367	sub find_sync {	1499	sub find_sync {
1368	my ($path, $origin) = @_;	1500	my ($path, $origin) = @_;
1369		1501
1370	cf::sync_job { cf::map::find $path, $origin }	1502	cf::sync_job { find $path, $origin }
1371	}	1503	}
1372		1504
1373	sub do_load_sync {	1505	sub do_load_sync {
1374	my ($map) = @_;	1506	my ($map) = @_;
1375		1507
1376	cf::sync_job { $map->load };	1508	cf::sync_job { $map->load };
1377	}	1509	}
1378		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
1379	sub save {	1541	sub save {
1380	my ($self) = @_;	1542	my ($self) = @_;
1381		1543
1382	my $lock = cf::lock_acquire "map_data:" . $self->path;	1544	my $lock = cf::lock_acquire "map_data:" . $self->path;
1383		1545
1384	$self->{last_save} = $cf::RUNTIME;	1546	$self->{last_save} = $cf::RUNTIME;
1385		1547
1386	return unless $self->dirty;	1548	return unless $self->dirty;
1387		1549
1388	my $save = $self->{path}->save_path; utf8::encode $save;	1550	my $save = $self->save_path; utf8::encode $save;
1389	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1551	my $uniq = $self->uniq_path; utf8::encode $uniq;
1390		1552
1391	$self->{load_path} = $save;	1553	$self->{load_path} = $save;
1392		1554
1393	return if $self->{deny_save};	1555	return if $self->{deny_save};
1394		1556
…		…
1397	cf::async {	1559	cf::async {
1398	$_->contr->save for $self->players;	1560	$_->contr->save for $self->players;
1399	};	1561	};
1400		1562
1401	if ($uniq) {	1563	if ($uniq) {
1402	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1403	$self->save_objects ($uniq, cf::IO_UNIQUES);	1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1404	} else {	1566	} else {
1405	$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);
1406	}	1568	}
1407	}	1569	}
1408		1570
1409	sub swap_out {	1571	sub swap_out {
1410	my ($self) = @_;	1572	my ($self) = @_;
…		…
1424		1586
1425	sub reset_at {	1587	sub reset_at {
1426	my ($self) = @_;	1588	my ($self) = @_;
1427		1589
1428	# TODO: safety, remove and allow resettable per-player maps	1590	# TODO: safety, remove and allow resettable per-player maps
1429	return 1e99 if $self->{path}{user_rel};	1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1430	return 1e99 if $self->{deny_reset};	1592	return 1e99 if $self->{deny_reset};
1431		1593
1432	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1433	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;
1434		1596
…		…
1439	my ($self) = @_;	1601	my ($self) = @_;
1440		1602
1441	$self->reset_at <= $cf::RUNTIME	1603	$self->reset_at <= $cf::RUNTIME
1442	}	1604	}
1443		1605
1444	sub unlink_save {
1445	my ($self) = @_;
1446
1447	utf8::encode (my $save = $self->{path}->save_path);
1448	aioreq_pri 3; IO::AIO::aio_unlink $save;
1449	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1450	}
1451
1452	sub rename {
1453	my ($self, $new_path) = @_;
1454
1455	$self->unlink_save;
1456
1457	delete $cf::MAP{$self->path};
1458	$self->{path} = new cf::path $new_path;
1459	$self->path ($self->{path}->as_string);
1460	$cf::MAP{$self->path} = $self;
1461
1462	$self->save;
1463	}
1464
1465	sub reset {	1606	sub reset {
1466	my ($self) = @_;	1607	my ($self) = @_;
1467		1608
1468	my $lock = cf::lock_acquire "map_data:" . $self->path;	1609	my $lock = cf::lock_acquire "map_data:$self->{path}";
1469		1610
1470	return if $self->players;	1611	return if $self->players;
1471	return if $self->{path}{user_rel};#d#	1612	return if $self->isa ("ext::map_per_player");#d#
1472		1613
1473	warn "resetting map ", $self->path;#d#	1614	warn "resetting map ", $self->path;#d#
1474		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
1475	delete $cf::MAP{$self->path};	1626	delete $cf::MAP{$self->path};
		1627
		1628	$self->clear;
1476		1629
1477	$_->clear_links_to ($self) for values %cf::MAP;	1630	$_->clear_links_to ($self) for values %cf::MAP;
1478		1631
1479	$self->unlink_save;	1632	$self->unlink_save;
1480	$self->destroy;	1633	$self->destroy;
…		…
1483	my $nuke_counter = "aaaa";	1636	my $nuke_counter = "aaaa";
1484		1637
1485	sub nuke {	1638	sub nuke {
1486	my ($self) = @_;	1639	my ($self) = @_;
1487		1640
		1641	delete $cf::MAP{$self->path};
		1642
		1643	$self->unlink_save;
		1644
		1645	bless $self, "cf::map";
		1646	delete $self->{deny_reset};
1488	$self->{deny_save} = 1;	1647	$self->{deny_save} = 1;
1489	$self->reset_timeout (1);	1648	$self->reset_timeout (1);
1490	$self->rename ("{nuke}/" . ($nuke_counter++));	1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1650
		1651	$cf::MAP{$self->path} = $self;
		1652
1491	$self->reset; # polite request, might not happen	1653	$self->reset; # polite request, might not happen
1492	}	1654	}
1493		1655
1494	sub customise_for {	1656	=item cf::map::unique_maps
1495	my ($map, $ob) = @_;
1496		1657
1497	if ($map->per_player) {	1658	Returns an arrayref of paths of all shared maps that have
1498	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1659	instantiated unique items. May block.
1499	}
1500		1660
1501	$map	1661	=cut
1502	}
1503		1662
1504	sub emergency_save {	1663	sub unique_maps() {
1505	my $freeze_guard = cf::freeze_mainloop;	1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1665	or return;
1506		1666
1507	warn "enter emergency perl save\n";	1667	my @paths;
1508		1668
1509	cf::sync_job {	1669	for (@$files) {
1510	warn "begin emergency player save\n";	1670	utf8::decode $_;
1511	$_->save for values %cf::PLAYER;	1671	next if /\.pst$/;
1512	warn "end emergency player save\n";	1672	next unless /^$PATH_SEP/o;
1513		1673
1514	warn "begin emergency map save\n";	1674	push @paths, cf::map::normalise $_;
1515	$_->save for values %cf::MAP;
1516	warn "end emergency map save\n";
1517	};	1675	}
1518		1676
1519	warn "leave emergency perl save\n";	1677	\@paths
1520	}	1678	}
1521		1679
1522	package cf;	1680	package cf;
1523		1681
1524	=back	1682	=back
1525		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
1526		1710
1527	=head3 cf::object::player	1711	=head3 cf::object::player
1528		1712
1529	=over 4	1713	=over 4
1530		1714
…		…
1570		1754
1571	=item $player_object->enter_link	1755	=item $player_object->enter_link
1572		1756
1573	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}>).
1574		1758
1575	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
1576	I<MUST> call C<leave_link> as soon as possible, though.	1760	I<MUST> call C<leave_link> as soon as possible, though.
1577		1761
		1762	Will never block.
		1763
1578	=item $player_object->leave_link ($map, $x, $y)	1764	=item $player_object->leave_link ($map, $x, $y)
1579		1765
1580	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
1581	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
1582	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
1583	to the emergency map position.	1769	fails, to the emergency map position.
1584		1770
1585	Might block.	1771	Might block.
1586		1772
1587	=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	}
1588		1784
1589	sub cf::object::player::enter_link {	1785	sub cf::object::player::enter_link {
1590	my ($self) = @_;	1786	my ($self) = @_;
1591		1787
1592	$self->deactivate_recursive;	1788	$self->deactivate_recursive;
1593		1789
1594	return if $self->map == $LINK_MAP;	1790	return if UNIVERSAL::isa $self->map, "ext::map_link";
1595		1791
1596	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1597	if $self->map;	1793	if $self->map;
1598		1794
1599	$self->enter_map ($LINK_MAP, 20, 20);	1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1600	}	1796	}
1601		1797
1602	sub cf::object::player::leave_link {	1798	sub cf::object::player::leave_link {
1603	my ($self, $map, $x, $y) = @_;	1799	my ($self, $map, $x, $y) = @_;
1604		1800
…		…
1622	# use -1 or undef as default coordinates, not 0, 0	1818	# use -1 or undef as default coordinates, not 0, 0
1623	($x, $y) = ($map->enter_x, $map->enter_y)	1819	($x, $y) = ($map->enter_x, $map->enter_y)
1624	if $x <=0 && $y <= 0;	1820	if $x <=0 && $y <= 0;
1625		1821
1626	$map->load;	1822	$map->load;
		1823	$map->load_diag;
1627		1824
1628	return unless $self->contr->active;	1825	return unless $self->contr->active;
1629	$self->activate_recursive;	1826	$self->activate_recursive;
1630	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1631	}	1828	}
…		…
1670	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1671		1868
1672	$self->enter_link;	1869	$self->enter_link;
1673		1870
1674	(async {	1871	(async {
1675	$path = new cf::path $path;	1872	my $map = eval {
1676
1677	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1678	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1679		1875	$map
1680	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1681	# if $map;
1682
1683	$map or $map->cluck ("oy");#d#
1684	$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);
1685		1878
1686	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1687	})->prio (1);	1880	})->prio (1);
1688	}	1881	}
1689		1882
…		…
1693		1886
1694	sub parse_random_map_params {	1887	sub parse_random_map_params {
1695	my ($spec) = @_;	1888	my ($spec) = @_;
1696		1889
1697	my $rmp = { # defaults	1890	my $rmp = { # defaults
1698	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1699	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1700	};	1895	};
1701		1896
1702	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1703	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1704		1899
…		…
1708	$rmp	1903	$rmp
1709	}	1904	}
1710		1905
1711	sub prepare_random_map {	1906	sub prepare_random_map {
1712	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1713		1910
1714	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1715	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1716	# that depends on the exit object	1913	# that depends on the exit object
1717		1914
1718	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1719		1916
1720	if ($exit->map) {	1917	if ($exit->map) {
1721	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1722	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1723	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1724	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1725	}	1922	}
1726		1923
1727	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1728		1925
1729	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1730	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1731		1929
1732	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) {
1733	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;
1734		1934
1735	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1736	$exit->msg (undef);	1936	$exit->msg (undef);
1737	}	1937	}
1738	}	1938	}
1739		1939
1740	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1741	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1742		1942
1743	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;
1744		1953
1745	$self->enter_link;	1954	$self->enter_link;
1746		1955
1747	(async {	1956	(async {
1748	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1749	unless (eval {	1958	unless (eval {
1750	prepare_random_map $exit	1959	$self->goto ($slaying, $hp, $sp);
1751	if $exit->slaying eq "/!";
1752
1753	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1754	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1755		1960
1756	1;	1961	1;
1757	}) {	1962	}) {
1758	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1759	. "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. "
1760	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1761	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1762		1967
1763	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1764	$self->leave_link;	1969	$self->leave_link;
1765	}	1970	}
…		…
1820	# get handled first	2025	# get handled first
1821	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1822	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
1823		2028
1824	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825		2031
1826	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1827		2033
1828	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1829	if (@$queue) {	2035	if (@$queue) {
…		…
1990	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
1991	using it, it should be unique.	2197	using it, it should be unique.
1992		2198
1993	=over 4	2199	=over 4
1994		2200
1995	=item $hashref = cf::db_get $family
1996
1997	Return a hashref for use by the extension C<$family>, which can be
1998	modified. After modifications, you have to call C<cf::db_dirty> or
1999	C<cf::db_sync>.
2000
2001	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
2002		2202
2003	Returns a single value from the database	2203	Returns a single value from the database.
2004
2005	=item cf::db_put $family => $hashref
2006
2007	Stores the given family hashref into the database. Updates are delayed, if
2008	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2009		2204
2010	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
2011		2206
2012	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
2013	want the data to be synced to disk immediately, use C<cf::db_sync>.
2014
2015	=item cf::db_dirty
2016
2017	Marks the database as dirty, to be updated at a later time.
2018
2019	=item cf::db_sync
2020
2021	Immediately write the database to disk I<if it is dirty>.
2022		2208
2023	=cut	2209	=cut
2024		2210
2025	our $DB;	2211	our $DB;
2026		2212
2027	{	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
2028	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;
2029		2232
2030	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
2031	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
2032	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
2033		2237
2034	my $pid;	2238	unlink $path;
2035
2036	sub db_save() {
2037	waitpid $pid, 0 if $pid;
2038	if (0 == ($pid = fork)) {
2039	$DB->{_meta}{version} = 1;
2040	Storable::nstore $DB, "$path~";
2041	rename "$path~", $path;
2042	cf::_exit 0 if defined $pid;
2043	}	2239	};
2044	}
2045
2046	my $dirty;
2047
2048	sub db_sync() {
2049	db_save if $dirty;
2050	undef $dirty;
2051	}
2052
2053	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2054	db_sync;
2055	});
2056
2057	sub db_dirty() {
2058	$dirty = 1;
2059	$idle->start;
2060	}
2061
2062	sub db_get($;$) {
2063	@_ >= 2
2064	? $DB->{$_[0]}{$_[1]}
2065	: ($DB->{$_[0]} ||= { })
2066	}
2067
2068	sub db_put($$;$) {
2069	if (@_ >= 3) {
2070	$DB->{$_[0]}{$_[1]} = $_[2];
2071	} else {
2072	$DB->{$_[0]} = $_[1];
2073	}
2074	db_dirty;
2075	}
2076
2077	cf::global->attach (
2078	prio => 10000,
2079	on_cleanup => sub {
2080	db_sync;
2081	},	2240	}
2082	);	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 { };
2083	}	2258	}
2084		2259
2085	#############################################################################	2260	#############################################################################
2086	# 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	}
2087		2267
2088	sub cfg_load {	2268	sub cfg_load {
2089	open my $fh, "<:utf8", cf::confdir . "/config"	2269	open my $fh, "<:utf8", cf::confdir . "/config"
2090	or return;	2270	or return;
2091		2271
…		…
2104	};	2284	};
2105	warn $@ if $@;	2285	warn $@ if $@;
2106	}	2286	}
2107	}	2287	}
2108		2288
		2289	sub init {
		2290	load_resources;
		2291	}
		2292
2109	sub main {	2293	sub main {
2110	# we must not ever block the main coroutine	2294	# we must not ever block the main coroutine
2111	local $Coro::idle = sub {	2295	local $Coro::idle = sub {
2112	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 {
2113	async { Event::one_event };	2298	Event::one_event;
		2299	})->prio (Coro::PRIO_MAX);
2114	};	2300	};
2115		2301
2116	cfg_load;	2302	cfg_load;
2117	db_load;	2303	db_init;
2118	load_extensions;	2304	load_extensions;
		2305
		2306	$TICK_WATCHER->start;
2119	Event::loop;	2307	Event::loop;
2120	}	2308	}
2121		2309
2122	#############################################################################	2310	#############################################################################
2123	# 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 $make_core;
		2366	}
2124		2367
2125	sub reload() {	2368	sub reload() {
2126	# can/must only be called in main	2369	# can/must only be called in main
2127	if ($Coro::current != $Coro::main) {	2370	if ($Coro::current != $Coro::main) {
2128	warn "can only reload from main coroutine\n";	2371	warn "can only reload from main coroutine";
2129	return;	2372	return;
2130	}	2373	}
2131		2374
2132	warn "reloading...";	2375	warn "reloading...";
2133		2376
2134	my $guard = freeze_mainloop;	2377	warn "cancelling server ticker";
		2378	$TICK_WATCHER->cancel;
		2379
2135	cf::emergency_save;	2380	cf::emergency_save;
2136		2381
2137	eval {	2382	eval {
2138	# 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
2139		2384
2140	# cancel all watchers	2385	warn "cancelling all WF_AUTOCANCEL watchers";
2141	for (Event::all_watchers) {	2386	for (Event::all_watchers) {
2142	$_->cancel if $_->data & WF_AUTOCANCEL;	2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2143	}	2388	}
2144		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
2145	# cancel all extension coros	2402	warn "cancelling all extension coros";
2146	$_->cancel for values %EXT_CORO;	2403	$_->cancel for values %EXT_CORO;
2147	%EXT_CORO = ();	2404	%EXT_CORO = ();
2148		2405
2149	# unload all extensions	2406	warn "removing commands";
2150	for (@exts) {	2407	%COMMAND = ();
		2408
		2409	warn "removing ext commands";
		2410	%EXTCMD = ();
		2411
		2412	warn "unloading/nuking all extensions";
		2413	for my $pkg (@EXTS) {
2151	warn "unloading <$_>";	2414	warn "... unloading $pkg";
2152	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: $@";
2153	}	2421	}
2154		2422
		2423	warn "... nuking $pkg";
		2424	Symbol::delete_package $pkg;
		2425	}
		2426
2155	# unload all modules loaded from $LIBDIR	2427	warn "unloading all perl modules loaded from $LIBDIR";
2156	while (my ($k, $v) = each %INC) {	2428	while (my ($k, $v) = each %INC) {
2157	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2158		2430
2159	warn "removing <$k>";	2431	warn "... unloading $k";
2160	delete $INC{$k};	2432	delete $INC{$k};
2161		2433
2162	$k =~ s/\.pm$//;	2434	$k =~ s/\.pm$//;
2163	$k =~ s/\//::/g;	2435	$k =~ s/\//::/g;
2164		2436
…		…
2167	}	2439	}
2168		2440
2169	Symbol::delete_package $k;	2441	Symbol::delete_package $k;
2170	}	2442	}
2171		2443
2172	# sync database to disk
2173	cf::db_sync;
2174	IO::AIO::flush;
2175
2176	# get rid of safe::, as good as possible	2444	warn "getting rid of safe::, as good as possible";
2177	Symbol::delete_package "safe::$_"	2445	Symbol::delete_package "safe::$_"
2178	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);
2179		2447
2180	# remove register_script_function callbacks
2181	# TODO
2182
2183	# unload cf.pm "a bit"	2448	warn "unloading cf.pm \"a bit\"";
2184	delete $INC{"cf.pm"};	2449	delete $INC{"cf.pm"};
2185		2450
2186	# don't, removes xs symbols, too,	2451	# don't, removes xs symbols, too,
2187	# and global variables created in xs	2452	# and global variables created in xs
2188	#Symbol::delete_package __PACKAGE__;	2453	#Symbol::delete_package __PACKAGE__;
2189		2454
2190	# reload cf.pm	2455	warn "unload completed, starting to reload now";
		2456
2191	warn "reloading cf.pm";	2457	warn "reloading cf.pm";
2192	require cf;	2458	require cf;
2193	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2194		2460
2195	# load config and database again	2461	warn "loading config and database again";
2196	cf::cfg_load;	2462	cf::cfg_load;
2197	cf::db_load;
2198		2463
2199	# load extensions
2200	warn "load extensions";	2464	warn "loading extensions";
2201	cf::load_extensions;	2465	cf::load_extensions;
2202		2466
2203	# reattach attachments to objects	2467	warn "reattaching attachments to objects/players";
2204	warn "reattach";
2205	_global_reattach;	2468	_global_reattach;
		2469	warn "reattaching attachments to maps";
2206	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	$TICK_WATCHER->start;
2207	};	2478	};
2208		2479
2209	if ($@) {	2480	if ($@) {
2210	warn $@;	2481	warn $@;
2211	warn "error while reloading, exiting.";	2482	warn "error while reloading, exiting.";
2212	exit 1;	2483	exit 1;
2213	}	2484	}
2214		2485
2215	warn "reloaded successfully";	2486	warn "reloaded";
2216	};	2487	};
2217		2488
2218	#############################################################################	2489	our $RELOAD_WATCHER; # used only during reload
2219
2220	unless ($LINK_MAP) {
2221	$LINK_MAP = cf::map::new;
2222
2223	$LINK_MAP->width (41);
2224	$LINK_MAP->height (41);
2225	$LINK_MAP->alloc;
2226	$LINK_MAP->path ("{link}");
2227	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2228	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2229
2230	# dirty hack because... archetypes are not yet loaded
2231	Event->timer (
2232	after => 10,
2233	cb => sub {
2234	$_[0]->w->cancel;
2235
2236	# provide some exits "home"
2237	my $exit = cf::object::new "exit";
2238
2239	$exit->slaying ($EMERGENCY_POSITION->[0]);
2240	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2241	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2242
2243	$LINK_MAP->insert ($exit->clone, 19, 19);
2244	$LINK_MAP->insert ($exit->clone, 19, 20);
2245	$LINK_MAP->insert ($exit->clone, 19, 21);
2246	$LINK_MAP->insert ($exit->clone, 20, 19);
2247	$LINK_MAP->insert ($exit->clone, 20, 21);
2248	$LINK_MAP->insert ($exit->clone, 21, 19);
2249	$LINK_MAP->insert ($exit->clone, 21, 20);
2250	$LINK_MAP->insert ($exit->clone, 21, 21);
2251
2252	$exit->destroy;
2253	});
2254
2255	$LINK_MAP->{deny_save} = 1;
2256	$LINK_MAP->{deny_reset} = 1;
2257
2258	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2259	}
2260
2261	register "<global>", __PACKAGE__;
2262		2490
2263	register_command "reload" => sub {	2491	register_command "reload" => sub {
2264	my ($who, $arg) = @_;	2492	my ($who, $arg) = @_;
2265		2493
2266	if ($who->flag (FLAG_WIZ)) {	2494	if ($who->flag (FLAG_WIZ)) {
2267	$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 {
2268	reload;	2505	reload;
2269	$who->message ("end of reload.");	2506	undef $RELOAD_WATCHER;
		2507	},
		2508	);
2270	}	2509	}
2271	};	2510	};
2272		2511
2273	unshift @INC, $LIBDIR;	2512	unshift @INC, $LIBDIR;
		2513
		2514	my $bug_warning = 0;
2274		2515
2275	$TICK_WATCHER = Event->timer (	2516	$TICK_WATCHER = Event->timer (
2276	reentrant => 0,	2517	reentrant => 0,
		2518	parked => 1,
2277	prio => 0,	2519	prio => 0,
2278	at => $NEXT_TICK || $TICK,	2520	at => $NEXT_TICK || $TICK,
2279	data => WF_AUTOCANCEL,	2521	data => WF_AUTOCANCEL,
2280	cb => sub {	2522	cb => sub {
		2523	if ($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
2281	cf::server_tick; # one server iteration	2531	cf::server_tick; # one server iteration
2282	$RUNTIME += $TICK;	2532	$RUNTIME += $TICK;
2283	$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#
2284		2543
2285	# 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
2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2287		2546
2288	$TICK_WATCHER->at ($NEXT_TICK);	2547	$TICK_WATCHER->at ($NEXT_TICK);
2289	$TICK_WATCHER->start;	2548	$TICK_WATCHER->start;
2290	},	2549	},
2291	);	2550	);
2292		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;
2293	IO::AIO::max_poll_time $TICK * 0.2;	2606	IO::AIO::max_poll_time $TICK * 0.1;
2294		2607	$AIO_POLL_WATCHER = Event->io (
2295	Event->io (	2608	reentrant => 0,
2296	fd => IO::AIO::poll_fileno,	2609	fd => IO::AIO::poll_fileno,
2297	poll => 'r',	2610	poll => 'r',
2298	prio => 5,	2611	prio => 6,
2299	data => WF_AUTOCANCEL,	2612	data => WF_AUTOCANCEL,
2300	cb => \&IO::AIO::poll_cb,	2613	cb => \&IO::AIO::poll_cb,
2301	);	2614	);
		2615	}
2302		2616
2303	Event->timer (	2617	$WRITE_RUNTIME_WATCHER = Event->timer (
		2618	reentrant => 0,
2304	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2305	after => 0,	2620	after => 1,
2306	interval => 10,	2621	interval => 10,
2307	cb => sub {	2622	prio => 6, # keep it lowest so it acts like a watchdog
2308	(Coro::unblock_sub {	2623	cb => Coro::unblock_sub {
2309	write_runtime	2624	write_runtime
2310	or warn "ERROR: unable to write runtime file: $!";	2625	or warn "ERROR: unable to write runtime file: $!";
2311	})->();
2312	},	2626	},
2313	);	2627	);
2314		2628
2315	END { cf::emergency_save }	2629	END { cf::emergency_save }
2316		2630

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines