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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.145 by root, Sun Jan 7 21:54:59 2007 UTC vs.
Revision 1.224 by root, Mon Mar 12 21:42:12 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
22	use IO::AIO 2.32 ();	26	use IO::AIO 2.32 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	33	$Event::Eval = 1; # no idea why this is required, but it is
		34
		35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		36
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	38	$YAML::Syck::ImplicitUnicode = 1;
30		39
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		41
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	42	our %COMMAND = ();
36	our %COMMAND_TIME = ();	43	our %COMMAND_TIME = ();
		44
		45	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	46	our %EXTCMD = ();
		47	our %EXT_CORO = (); # coroutines bound to extensions
		48	our %EXT_MAP = (); # pluggable maps
38		49
		50	our $RELOAD; # number of reloads so far
39	our @EVENT;	51	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	52	our $LIBDIR = datadir . "/ext";
41		53
42	our $TICK = MAX_TIME * 1e-6;	54	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	55	our $TICK_WATCHER;
		56	our $AIO_POLL_WATCHER;
		57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	58	our $NEXT_TICK;
45	our $NOW;	59	our $NOW;
		60	our $USE_FSYNC = 1; # use fsync to write maps - default off
		61
		62	our $BDB_POLL_WATCHER;
		63	our $DB_ENV;
46		64
47	our %CFG;	65	our %CFG;
48		66
49	our $UPTIME; $UPTIME ||= time;	67	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	68	our $RUNTIME;
51		69
52	our %PLAYER; # all users	70	our %PLAYER; # all users
53	our %MAP; # all maps	71	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	72	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	73	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO; # coroutines bound to extensions	74	our $BDB_ENV_DIR = cf::localdir . "/db";
		75
		76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		78
		79	# used to convert map paths into valid unix filenames by replacing / by ∕
		80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		81
58	binmode STDOUT;	82	binmode STDOUT;
59	binmode STDERR;	83	binmode STDERR;
60		84
61	# read virtual server time, if available	85	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	92	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	93	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	94	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	95	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	96	mkdir $RANDOM_MAPS;
		97	mkdir $BDB_ENV_DIR;
73		98
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	99	our $EMERGENCY_POSITION;
		100
		101	sub cf::map::normalise;
77		102
78	#############################################################################	103	#############################################################################
79		104
80	=head2 GLOBAL VARIABLES	105	=head2 GLOBAL VARIABLES
81		106
…		…
105		130
106	=item %cf::CFG	131	=item %cf::CFG
107		132
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	133	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	134	from wherever your confdir points to.
		135
		136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		137
		138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		139	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		140	processing has been done. Call C<< ->wait >> on them to maximise the
		141	window of cpu time available, or simply to synchronise to the server tick.
110		142
111	=back	143	=back
112		144
113	=cut	145	=cut
114		146
…		…
118	utf8::encode $msg;	150	utf8::encode $msg;
119		151
120	$msg .= "\n"	152	$msg .= "\n"
121	unless $msg =~ /\n$/;	153	unless $msg =~ /\n$/;
122		154
123	LOG llevError, "cfperl: $msg";	155	LOG llevError, $msg;
124	};	156	};
125	}	157	}
126		158
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		178
147	$Event::DIED = sub {	179	$Event::DIED = sub {
148	warn "error in event callback: @_";	180	warn "error in event callback: @_";
149	};	181	};
150		182
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	183	=head2 UTILITY FUNCTIONS
156		184
157	=over 4	185	=over 4
158		186
		187	=item dumpval $ref
		188
159	=cut	189	=cut
		190
		191	sub dumpval {
		192	eval {
		193	local $SIG{__DIE__};
		194	my $d;
		195	if (1) {
		196	$d = new Data::Dumper([$_[0]], ["*var"]);
		197	$d->Terse(1);
		198	$d->Indent(2);
		199	$d->Quotekeys(0);
		200	$d->Useqq(1);
		201	#$d->Bless(...);
		202	$d->Seen($_[1]) if @_ > 1;
		203	$d = $d->Dump();
		204	}
		205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		206	$d
		207	} || "[unable to dump $_[0]: '$@']";
		208	}
160		209
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	210	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		211
163	=item $ref = cf::from_json $json	212	=item $ref = cf::from_json $json
164		213
…		…
225	}	274	}
226		275
227	sub freeze_mainloop {	276	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	277	return unless $TICK_WATCHER->is_active;
229		278
230	my $guard = Coro::guard { $TICK_WATCHER->start };	279	my $guard = Coro::guard {
		280	$TICK_WATCHER->start;
		281	};
231	$TICK_WATCHER->stop;	282	$TICK_WATCHER->stop;
232	$guard	283	$guard
233	}	284	}
234		285
235	=item cf::async { BLOCK }	286	=item cf::async { BLOCK }
…		…
287	}	338	}
288	}	339	}
289		340
290	=item $coro = cf::async_ext { BLOCK }	341	=item $coro = cf::async_ext { BLOCK }
291		342
292	Like async, but this coro is automcatially being canceled when the	343	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	344	extension calling this is being unloaded.
294		345
295	=cut	346	=cut
296		347
297	sub async_ext(&) {	348	sub async_ext(&) {
…		…
306		357
307	$coro	358	$coro
308	}	359	}
309		360
310	sub write_runtime {	361	sub write_runtime {
		362	my $guard = cf::lock_acquire "write_runtime";
		363
311	my $runtime = cf::localdir . "/runtime";	364	my $runtime = cf::localdir . "/runtime";
312		365
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	367	or return;
315		368
		369	my $value = $cf::RUNTIME + 90 + 10;
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	370	# 10 is the runtime save interval, for a monotonic clock
		371	# 60 allows for the watchdog to kill the server.
		372
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	373	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	374	and return;
319		375
		376	# always fsync - this file is important
320	aio_fsync $fh	377	aio_fsync $fh
321	and return;	378	and return;
322		379
323	close $fh	380	close $fh
324	or return;	381	or return;
…		…
330	}	387	}
331		388
332	=back	389	=back
333		390
334	=cut	391	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($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		392
456	#############################################################################	393	#############################################################################
457		394
458	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
459		396
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	523	our @CB_MAP = ();
587		524
588	my %attachment;	525	my %attachment;
589		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
590	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
592		535
593	use sort 'stable';	536	use sort 'stable';
594		537
…		…
765	# object support	708	# object support
766		709
767	sub reattach {	710	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		715
771	my $registry = $obj->registry;	716	my $registry = $obj->registry;
772		717
773	@$registry = ();	718	@$registry = ();
774		719
…		…
821	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
822		767
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	772	close $fh;
828		773
829	if (@$objs) {	774	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	780	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
837	}	782	}
838	} else {	783	} else {
839	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
906	=cut	851	=cut
907		852
908	sub register_extcmd {	853	sub register_extcmd {
909	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
910		855
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
915	}	857	}
916		858
917	cf::player->attach (	859	cf::player->attach (
918	on_command => sub {	860	on_command => sub {
919	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
932		874
933	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
934		876
935	if (ref $msg) {	877	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	881	}
940	}	882	}
941	} else {	883	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		886
945	cf::override;	887	cf::override;
946	},	888	},
947	);	889	);
948		890
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	891	sub load_extension {
956	my ($path) = @_;	892	my ($path) = @_;
957		893
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	895	my $base = $1;
960	my $pkg = $1;	896	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
963		899
964	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
965		901
966	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
967	or die "$path: $!";	903	or die "$path: $!";
968		904
969	my $source =	905	my $source =
970	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
973	. "\n};\n1";	909	. "\n};\n1";
974		910
975	eval $source	911	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	913	: "extension disabled.\n";
978		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	915	warn $@;
980	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
981		917	exit 1;
982	# no strict 'refs';	918	}
983	# @{"$pkg\::ISA"} = ext::;	919	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	# }	920	}
998		921
999	# remove commands	922	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	}	923	}
1024		924
1025	sub load_extensions {	925	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	927	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1032	}	932	}
1033	}	933	}
1034		934
1035	#############################################################################	935	#############################################################################
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		936
1073	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1074		938
1075	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1076		940
1077	=cut	941	=cut
1078		942
1079	package cf::player;	943	package cf::player;
		944
		945	use Coro::AIO;
1080		946
1081	=head3 cf::player	947	=head3 cf::player
1082		948
1083	=over 4	949	=over 4
1084		950
…		…
1110		976
1111	sub exists($) {	977	sub exists($) {
1112	my ($login) = @_;	978	my ($login) = @_;
1113		979
1114	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1116	}	982	}
1117		983
1118	sub find($) {	984	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	986	my $login = $_[0];
1121		987
1122	my $guard = cf::lock_acquire "user_find:$login";	988	my $guard = cf::lock_acquire "user_find:$login";
1123		989
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	990	$cf::PLAYER{$_[0]} || do {
		991	my $pl = load_pl path $login
		992	or return;
		993	$cf::PLAYER{$login} = $pl
		994	}
1125	};	995	}
1126	}	996	}
1127		997
1128	sub save($) {	998	sub save($) {
1129	my ($pl) = @_;	999	my ($pl) = @_;
1130		1000
…		…
1132		1002
1133	my $path = path $pl;	1003	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1004	my $guard = cf::lock_acquire "user_save:$path";
1135		1005
1136	return if $pl->{deny_save};	1006	return if $pl->{deny_save};
		1007
		1008	aio_mkdir playerdir $pl, 0770;
1137	$pl->{last_save} = $cf::RUNTIME;	1009	$pl->{last_save} = $cf::RUNTIME;
1138		1010
1139	Coro::cede;
1140	$pl->save_pl ($path);	1011	$pl->save_pl ($path);
1141	Coro::cede;	1012	Coro::cede;
1142	}	1013	}
1143		1014
1144	sub new($) {	1015	sub new($) {
…		…
1152	$cf::PLAYER{$login} = $self;	1023	$cf::PLAYER{$login} = $self;
1153		1024
1154	$self	1025	$self
1155	}	1026	}
1156		1027
		1028	=item $pl->quit_character
		1029
		1030	Nukes the player without looking back. If logged in, the connection will
		1031	be destroyed. May block for a long time.
		1032
		1033	=cut
		1034
1157	sub quit_character {	1035	sub quit_character {
1158	my ($pl) = @_;	1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
1159		1039
1160	$pl->{deny_save} = 1;	1040	$pl->{deny_save} = 1;
1161	$pl->password ("*"); # this should lock out the player until we nuked the dir	1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
1162		1042
1163	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1165	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1166	$pl->ns->destroy if $pl->ns;	1046	$pl->ns->destroy if $pl->ns;
1167		1047
1168	my $path = playerdir $pl;	1048	my $path = playerdir $pl;
1169	my $temp = "$path~$cf::RUNTIME~deleting~";	1049	my $temp = "$path~$cf::RUNTIME~deleting~";
1170	IO::AIO::aio_rename $path, $temp, sub {	1050	aio_rename $path, $temp;
1171	delete $cf::PLAYER{$pl->ob->name};	1051	delete $cf::PLAYER{$pl->ob->name};
1172	$pl->destroy;	1052	$pl->destroy;
1173		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
1174	IO::AIO::aio_rmtree $temp;	1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
		1074	}
		1075
		1076	=item cf::player::list_logins
		1077
		1078	Returns am arrayref of all valid playernames in the system, can take a
		1079	while and may block, so not sync_job-capable, ever.
		1080
		1081	=cut
		1082
		1083	sub list_logins {
		1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1085	or return [];
		1086
		1087	my @logins;
		1088
		1089	for my $login (@$dirs) {
		1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1091	aio_read $fh, 0, 512, my $buf, 0 or next;
		1092	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1093
		1094	utf8::decode $login;
		1095	push @logins, $login;
1175	};	1096	}
		1097
		1098	\@logins
		1099	}
		1100
		1101	=item $player->maps
		1102
		1103	Returns an arrayref of map paths that are private for this
		1104	player. May block.
		1105
		1106	=cut
		1107
		1108	sub maps($) {
		1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
		1112
		1113	my $files = aio_readdir playerdir $pl
		1114	or return;
		1115
		1116	my @paths;
		1117
		1118	for (@$files) {
		1119	utf8::decode $_;
		1120	next if /\.(?:pl|pst)$/;
		1121	next unless /^$PATH_SEP/o;
		1122
		1123	push @paths, cf::map::normalise "~$pl/$_";
		1124	}
		1125
		1126	\@paths
1176	}	1127	}
1177		1128
1178	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, $msgtype, %msg)
1179		1130
1180	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
…		…
1203	package cf::map;	1154	package cf::map;
1204		1155
1205	use Fcntl;	1156	use Fcntl;
1206	use Coro::AIO;	1157	use Coro::AIO;
1207		1158
		1159	use overload
		1160	'""' => \&as_string,
		1161	fallback => 1;
		1162
1208	our $MAX_RESET = 3600;	1163	our $MAX_RESET = 3600;
1209	our $DEFAULT_RESET = 3000;	1164	our $DEFAULT_RESET = 3000;
1210		1165
1211	sub generate_random_map {	1166	sub generate_random_map {
1212	my ($path, $rmp) = @_;	1167	my ($self, $rmp) = @_;
1213
1214	# mit "rum" bekleckern, nicht	1168	# mit "rum" bekleckern, nicht
1215	cf::map::_create_random_map	1169	$self->_create_random_map (
1216	$path,
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1173	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1174	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1178	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227	(cf::region::find $rmp->{region})	1180	(cf::region::find $rmp->{region}), $rmp->{custom}
		1181	)
		1182	}
		1183
		1184	=item cf::map->register ($regex, $prio)
		1185
		1186	Register a handler for the map path matching the given regex at the
		1187	givne priority (higher is better, built-in handlers have priority 0, the
		1188	default).
		1189
		1190	=cut
		1191
		1192	sub register {
		1193	my (undef, $regex, $prio) = @_;
		1194	my $pkg = caller;
		1195
		1196	no strict;
		1197	push @{"$pkg\::ISA"}, __PACKAGE__;
		1198
		1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1200	}
		1201
		1202	# also paths starting with '/'
		1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1204
		1205	sub thawer_merge {
		1206	my ($self, $merge) = @_;
		1207
		1208	# we have to keep some variables in memory intact
		1209	local $self->{path};
		1210	local $self->{load_path};
		1211	local $self->{deny_save};
		1212	local $self->{deny_reset};
		1213
		1214	$self->SUPER::thawer_merge ($merge);
		1215	}
		1216
		1217	sub normalise {
		1218	my ($path, $base) = @_;
		1219
		1220	$path = "$path"; # make sure its a string
		1221
		1222	$path =~ s/\.map$//;
		1223
		1224	# map plan:
		1225	#
		1226	# /! non-realised random map exit (special hack!)
		1227	# {... are special paths that are not being touched
		1228	# ?xxx/... are special absolute paths
		1229	# ?random/... random maps
		1230	# /... normal maps
		1231	# ~user/... per-player map of a specific user
		1232
		1233	$path =~ s/$PATH_SEP/\//go;
		1234
		1235	# treat it as relative path if it starts with
		1236	# something that looks reasonable
		1237	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1238	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1239
		1240	$base =~ s{[^/]+/?$}{};
		1241	$path = "$base/$path";
		1242	}
		1243
		1244	for ($path) {
		1245	redo if s{//}{/};
		1246	redo if s{/\.?/}{/};
		1247	redo if s{/[^/]+/\.\./}{/};
		1248	}
		1249
		1250	$path
		1251	}
		1252
		1253	sub new_from_path {
		1254	my (undef, $path, $base) = @_;
		1255
		1256	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1257
		1258	$path = normalise $path, $base;
		1259
		1260	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1261	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1262	my $self = bless cf::map::new, $pkg;
		1263	$self->{path} = $path; $self->path ($path);
		1264	$self->init; # pass $1 etc.
		1265	return $self;
		1266	}
		1267	}
		1268
		1269	Carp::carp "unable to resolve path '$path' (base '$base').";
		1270	()
		1271	}
		1272
		1273	sub init {
		1274	my ($self) = @_;
		1275
		1276	$self
		1277	}
		1278
		1279	sub as_string {
		1280	my ($self) = @_;
		1281
		1282	"$self->{path}"
		1283	}
		1284
		1285	# the displayed name, this is a one way mapping
		1286	sub visible_name {
		1287	&as_string
		1288	}
		1289
		1290	# the original (read-only) location
		1291	sub load_path {
		1292	my ($self) = @_;
		1293
		1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1295	}
		1296
		1297	# the temporary/swap location
		1298	sub save_path {
		1299	my ($self) = @_;
		1300
		1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1303	}
		1304
		1305	# the unique path, undef == no special unique path
		1306	sub uniq_path {
		1307	my ($self) = @_;
		1308
		1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1228	}	1311	}
1229		1312
1230	# and all this just because we cannot iterate over	1313	# and all this just because we cannot iterate over
1231	# all maps in C++...	1314	# all maps in C++...
1232	sub change_all_map_light {	1315	sub change_all_map_light {
…		…
1234		1317
1235	$_->change_map_light ($change)	1318	$_->change_map_light ($change)
1236	for grep $_->outdoor, values %cf::MAP;	1319	for grep $_->outdoor, values %cf::MAP;
1237	}	1320	}
1238		1321
		1322	sub unlink_save {
		1323	my ($self) = @_;
		1324
		1325	utf8::encode (my $save = $self->save_path);
		1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1327	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1328	}
		1329
1239	sub try_load_header($) {	1330	sub load_header_from($) {
1240	my ($path) = @_;	1331	my ($self, $path) = @_;
1241		1332
1242	utf8::encode $path;	1333	utf8::encode $path;
1243	aio_open $path, O_RDONLY, 0	1334	#aio_open $path, O_RDONLY, 0
		1335	# or return;
		1336
		1337	$self->_load_header ($path)
1244	or return;	1338	or return;
1245		1339
1246	my $map = cf::map::new	1340	$self->{load_path} = $path;
		1341
		1342	1
		1343	}
		1344
		1345	sub load_header_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->load_header_from ($self->load_path)
		1349	}
		1350
		1351	sub load_header_temp {
		1352	my ($self) = @_;
		1353
		1354	$self->load_header_from ($self->save_path)
		1355	}
		1356
		1357	sub prepare_temp {
		1358	my ($self) = @_;
		1359
		1360	$self->last_access ((delete $self->{last_access})
		1361	|| $cf::RUNTIME); #d#
		1362	# safety
		1363	$self->{instantiate_time} = $cf::RUNTIME
		1364	if $self->{instantiate_time} > $cf::RUNTIME;
		1365	}
		1366
		1367	sub prepare_orig {
		1368	my ($self) = @_;
		1369
		1370	$self->{load_original} = 1;
		1371	$self->{instantiate_time} = $cf::RUNTIME;
		1372	$self->last_access ($cf::RUNTIME);
		1373	$self->instantiate;
		1374	}
		1375
		1376	sub load_header {
		1377	my ($self) = @_;
		1378
		1379	if ($self->load_header_temp) {
		1380	$self->prepare_temp;
		1381	} else {
		1382	$self->load_header_orig
1247	or return;	1383	or return;
		1384	$self->prepare_orig;
		1385	}
1248		1386
1249	# for better error messages only, will be overwritten	1387	1
1250	$map->path ($path);
1251
1252	$map->load_header ($path)
1253	or return;
1254
1255	$map->{load_path} = $path;
1256
1257	$map
1258	}	1388	}
1259		1389
1260	sub find;	1390	sub find;
1261	sub find {	1391	sub find {
1262	my ($path, $origin) = @_;	1392	my ($path, $origin) = @_;
1263		1393
1264	#warn "find<$path,$origin>\n";#d#
1265
1266	$path = new cf::path $path, $origin && $origin->path;	1394	$path = normalise $path, $origin && $origin->path;
1267	my $key = $path->as_string;
1268		1395
1269	cf::lock_wait "map_find:$key";	1396	cf::lock_wait "map_find:$path";
1270		1397
1271	$cf::MAP{$key} || do {	1398	$cf::MAP{$path} || do {
1272	my $guard = cf::lock_acquire "map_find:$key";	1399	my $guard = cf::lock_acquire "map_find:$path";
1273		1400	my $map = new_from_path cf::map $path
1274	# do it the slow way
1275	my $map = try_load_header $path->save_path;
1276
1277	Coro::cede;
1278
1279	if ($map) {
1280	$map->last_access ((delete $map->{last_access})
1281	|| $cf::RUNTIME); #d#
1282	# safety
1283	$map->{instantiate_time} = $cf::RUNTIME
1284	if $map->{instantiate_time} > $cf::RUNTIME;
1285	} else {
1286	if (my $rmp = $path->random_map_params) {
1287	$map = generate_random_map $key, $rmp;
1288	} else {
1289	$map = try_load_header $path->load_path;
1290	}
1291
1292	$map or return;	1401	or return;
1293		1402
1294	$map->{load_original} = 1;
1295	$map->{instantiate_time} = $cf::RUNTIME;
1296	$map->last_access ($cf::RUNTIME);
1297	$map->instantiate;
1298
1299	# per-player maps become, after loading, normal maps
1300	$map->per_player (0) if $path->{user_rel};
1301	}
1302
1303	$map->path ($key);
1304	$map->{path} = $path;
1305	$map->{last_save} = $cf::RUNTIME;	1403	$map->{last_save} = $cf::RUNTIME;
1306		1404
1307	Coro::cede;	1405	$map->load_header
		1406	or return;
1308		1407
1309	if ($map->should_reset) {	1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1409	# doing this can freeze the server in a sync job, obviously
		1410	#$cf::WAIT_FOR_TICK->wait;
1310	$map->reset;	1411	$map->reset;
1311	undef $guard;	1412	undef $guard;
1312	$map = find $path	1413	return find $path;
1313	or return;
1314	}	1414	}
1315		1415
1316	$cf::MAP{$key} = $map	1416	$cf::MAP{$path} = $map
1317	}	1417	}
1318	}	1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
1319		1422
1320	sub load {	1423	sub load {
1321	my ($self) = @_;	1424	my ($self) = @_;
1322		1425
		1426	local $self->{deny_reset} = 1; # loading can take a long time
		1427
1323	my $path = $self->{path};	1428	my $path = $self->{path};
1324	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1429	my $guard = cf::lock_acquire "map_load:$path";
1325		1430
1326	return if $self->in_memory != cf::MAP_SWAPPED;	1431	return if $self->in_memory != cf::MAP_SWAPPED;
1327		1432
1328	$self->in_memory (cf::MAP_LOADING);	1433	$self->in_memory (cf::MAP_LOADING);
1329		1434
1330	$self->alloc;	1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
1331	$self->load_objects ($self->{load_path}, 1)	1439	$self->_load_objects ($self->{load_path}, 1)
1332	or return;	1440	or return;
1333		1441
1334	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1335	if delete $self->{load_original};	1443	if delete $self->{load_original};
1336		1444
1337	if (my $uniq = $path->uniq_path) {	1445	if (my $uniq = $self->uniq_path) {
1338	utf8::encode $uniq;	1446	utf8::encode $uniq;
1339	if (aio_open $uniq, O_RDONLY, 0) {	1447	if (aio_open $uniq, O_RDONLY, 0) {
1340	$self->clear_unique_items;	1448	$self->clear_unique_items;
1341	$self->load_objects ($uniq, 0);	1449	$self->_load_objects ($uniq, 0);
1342	}	1450	}
1343	}	1451	}
1344		1452
1345	Coro::cede;	1453	Coro::cede;
1346		1454
1347	# now do the right thing for maps	1455	# now do the right thing for maps
1348	$self->link_multipart_objects;	1456	$self->link_multipart_objects;
1349		1457
1350	if ($self->{path}->is_style_map) {	1458	unless ($self->{deny_activate}) {
1351	$self->{deny_save} = 1;	1459	$self->decay_objects;
1352	$self->{deny_reset} = 1;
1353	} else {
1354	$self->fix_auto_apply;	1460	$self->fix_auto_apply;
1355	$self->decay_objects;
1356	$self->update_buttons;	1461	$self->update_buttons;
		1462	Coro::cede;
1357	$self->set_darkness_map;	1463	$self->set_darkness_map;
1358	$self->difficulty ($self->estimate_difficulty)	1464	$self->difficulty ($self->estimate_difficulty)
1359	unless $self->difficulty;	1465	unless $self->difficulty;
		1466	Coro::cede;
1360	$self->activate;	1467	$self->activate;
1361	}	1468	}
1362		1469
1363	Coro::cede;	1470	$self->post_load;
1364		1471
1365	$self->in_memory (cf::MAP_IN_MEMORY);	1472	$self->in_memory (cf::MAP_IN_MEMORY);
		1473	}
		1474
		1475	sub customise_for {
		1476	my ($self, $ob) = @_;
		1477
		1478	return find "~" . $ob->name . "/" . $self->{path}
		1479	if $self->per_player;
		1480
		1481	$self
		1482	}
		1483
		1484	# find and load all maps in the 3x3 area around a map
		1485	sub load_diag {
		1486	my ($map) = @_;
		1487
		1488	my @diag; # diagonal neighbours
		1489
		1490	for (0 .. 3) {
		1491	my $neigh = $map->tile_path ($_)
		1492	or next;
		1493	$neigh = find $neigh, $map
		1494	or next;
		1495	$neigh->load;
		1496
		1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1499	}
		1500
		1501	for (@diag) {
		1502	my $neigh = find @$_
		1503	or next;
		1504	$neigh->load;
		1505	}
1366	}	1506	}
1367		1507
1368	sub find_sync {	1508	sub find_sync {
1369	my ($path, $origin) = @_;	1509	my ($path, $origin) = @_;
1370		1510
1371	cf::sync_job { cf::map::find $path, $origin }	1511	cf::sync_job { find $path, $origin }
1372	}	1512	}
1373		1513
1374	sub do_load_sync {	1514	sub do_load_sync {
1375	my ($map) = @_;	1515	my ($map) = @_;
1376		1516
1377	cf::sync_job { $map->load };	1517	cf::sync_job { $map->load };
1378	}	1518	}
1379		1519
		1520	our %MAP_PREFETCH;
		1521	our $MAP_PREFETCHER = undef;
		1522
		1523	sub find_async {
		1524	my ($path, $origin) = @_;
		1525
		1526	$path = normalise $path, $origin && $origin->{path};
		1527
		1528	if (my $map = $cf::MAP{$path}) {
		1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1530	}
		1531
		1532	undef $MAP_PREFETCH{$path};
		1533	$MAP_PREFETCHER ||= cf::async {
		1534	while (%MAP_PREFETCH) {
		1535	for my $path (keys %MAP_PREFETCH) {
		1536	my $map = find $path
		1537	or next;
		1538	$map->load;
		1539
		1540	delete $MAP_PREFETCH{$path};
		1541	}
		1542	}
		1543	undef $MAP_PREFETCHER;
		1544	};
		1545	$MAP_PREFETCHER->prio (6);
		1546
		1547	()
		1548	}
		1549
1380	sub save {	1550	sub save {
1381	my ($self) = @_;	1551	my ($self) = @_;
1382		1552
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1384		1554
1385	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1386		1556
1387	return unless $self->dirty;	1557	return unless $self->dirty;
1388		1558
1389	my $save = $self->{path}->save_path; utf8::encode $save;	1559	my $save = $self->save_path; utf8::encode $save;
1390	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
1391		1561
1392	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1393		1563
1394	return if $self->{deny_save};	1564	return if $self->{deny_save};
1395		1565
…		…
1398	cf::async {	1568	cf::async {
1399	$_->contr->save for $self->players;	1569	$_->contr->save for $self->players;
1400	};	1570	};
1401		1571
1402	if ($uniq) {	1572	if ($uniq) {
1403	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1404	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1405	} else {	1575	} else {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1407	}	1577	}
1408	}	1578	}
1409		1579
1410	sub swap_out {	1580	sub swap_out {
1411	my ($self) = @_;	1581	my ($self) = @_;
…		…
1425		1595
1426	sub reset_at {	1596	sub reset_at {
1427	my ($self) = @_;	1597	my ($self) = @_;
1428		1598
1429	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1430	return 1e99 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1431	return 1e99 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1432		1602
1433	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1434	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1435		1605
…		…
1440	my ($self) = @_;	1610	my ($self) = @_;
1441		1611
1442	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1443	}	1613	}
1444		1614
1445	sub unlink_save {
1446	my ($self) = @_;
1447
1448	utf8::encode (my $save = $self->{path}->save_path);
1449	aioreq_pri 3; IO::AIO::aio_unlink $save;
1450	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1451	}
1452
1453	sub rename {
1454	my ($self, $new_path) = @_;
1455
1456	$self->unlink_save;
1457
1458	delete $cf::MAP{$self->path};
1459	$self->{path} = new cf::path $new_path;
1460	$self->path ($self->{path}->as_string);
1461	$cf::MAP{$self->path} = $self;
1462
1463	$self->save;
1464	}
1465
1466	sub reset {	1615	sub reset {
1467	my ($self) = @_;	1616	my ($self) = @_;
1468		1617
1469	my $lock = cf::lock_acquire "map_data:" . $self->path;	1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
1470		1619
1471	return if $self->players;	1620	return if $self->players;
1472	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1473		1622
1474	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1475		1624
		1625	$self->in_memory (cf::MAP_SWAPPED);
		1626
		1627	# need to save uniques path
		1628	unless ($self->{deny_save}) {
		1629	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1630
		1631	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1632	if $uniq;
		1633	}
		1634
1476	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
		1636
		1637	$self->clear;
1477		1638
1478	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1479		1640
1480	$self->unlink_save;	1641	$self->unlink_save;
1481	$self->destroy;	1642	$self->destroy;
…		…
1484	my $nuke_counter = "aaaa";	1645	my $nuke_counter = "aaaa";
1485		1646
1486	sub nuke {	1647	sub nuke {
1487	my ($self) = @_;	1648	my ($self) = @_;
1488		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
1489	$self->{deny_save} = 1;	1656	$self->{deny_save} = 1;
1490	$self->reset_timeout (1);	1657	$self->reset_timeout (1);
1491	$self->rename ("{nuke}/" . ($nuke_counter++));	1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
1492	$self->reset; # polite request, might not happen	1662	$self->reset; # polite request, might not happen
1493	}	1663	}
1494		1664
1495	sub customise_for {	1665	=item cf::map::unique_maps
1496	my ($map, $ob) = @_;
1497		1666
1498	if ($map->per_player) {	1667	Returns an arrayref of paths of all shared maps that have
1499	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1668	instantiated unique items. May block.
1500	}
1501		1669
1502	$map	1670	=cut
1503	}
1504		1671
1505	sub emergency_save {	1672	sub unique_maps() {
1506	my $freeze_guard = cf::freeze_mainloop;	1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1674	or return;
1507		1675
1508	warn "enter emergency perl save\n";	1676	my @paths;
1509		1677
1510	cf::sync_job {	1678	for (@$files) {
1511	warn "begin emergency player save\n";	1679	utf8::decode $_;
1512	$_->save for values %cf::PLAYER;	1680	next if /\.pst$/;
1513	warn "end emergency player save\n";	1681	next unless /^$PATH_SEP/o;
1514		1682
1515	warn "begin emergency map save\n";	1683	push @paths, cf::map::normalise $_;
1516	$_->save for values %cf::MAP;
1517	warn "end emergency map save\n";
1518	};	1684	}
1519		1685
1520	warn "leave emergency perl save\n";	1686	\@paths
1521	}	1687	}
1522		1688
1523	package cf;	1689	package cf;
1524		1690
1525	=back	1691	=back
1526		1692
		1693	=head3 cf::object
		1694
		1695	=cut
		1696
		1697	package cf::object;
		1698
		1699	=over 4
		1700
		1701	=item $ob->inv_recursive
		1702
		1703	Returns the inventory of the object _and_ their inventories, recursively.
		1704
		1705	=cut
		1706
		1707	sub inv_recursive_;
		1708	sub inv_recursive_ {
		1709	map { $_, inv_recursive_ $_->inv } @_
		1710	}
		1711
		1712	sub inv_recursive {
		1713	inv_recursive_ inv $_[0]
		1714	}
		1715
		1716	package cf;
		1717
		1718	=back
1527		1719
1528	=head3 cf::object::player	1720	=head3 cf::object::player
1529		1721
1530	=over 4	1722	=over 4
1531		1723
…		…
1571		1763
1572	=item $player_object->enter_link	1764	=item $player_object->enter_link
1573		1765
1574	Freezes the player and moves him/her to a special map (C<{link}>).	1766	Freezes the player and moves him/her to a special map (C<{link}>).
1575		1767
1576	The player should be reaosnably safe there for short amounts of time. You	1768	The player should be reasonably safe there for short amounts of time. You
1577	I<MUST> call C<leave_link> as soon as possible, though.	1769	I<MUST> call C<leave_link> as soon as possible, though.
1578		1770
		1771	Will never block.
		1772
1579	=item $player_object->leave_link ($map, $x, $y)	1773	=item $player_object->leave_link ($map, $x, $y)
1580		1774
1581	Moves the player out of the specila link map onto the given map. If the	1775	Moves the player out of the special C<{link}> map onto the specified
1582	map is not valid (or omitted), the player will be moved back to the	1776	map. If the map is not valid (or omitted), the player will be moved back
1583	location he/she was before the call to C<enter_link>, or, if that fails,	1777	to the location he/she was before the call to C<enter_link>, or, if that
1584	to the emergency map position.	1778	fails, to the emergency map position.
1585		1779
1586	Might block.	1780	Might block.
1587		1781
1588	=cut	1782	=cut
		1783
		1784	sub link_map {
		1785	unless ($LINK_MAP) {
		1786	$LINK_MAP = cf::map::find "{link}"
		1787	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1788	$LINK_MAP->load;
		1789	}
		1790
		1791	$LINK_MAP
		1792	}
1589		1793
1590	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1591	my ($self) = @_;	1795	my ($self) = @_;
1592		1796
1593	$self->deactivate_recursive;	1797	$self->deactivate_recursive;
1594		1798
1595	return if $self->map == $LINK_MAP;	1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
1596		1800
1597	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1598	if $self->map;	1802	if $self->map;
1599		1803
1600	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1601	}	1805	}
1602		1806
1603	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1604	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1605		1809
…		…
1623	# use -1 or undef as default coordinates, not 0, 0	1827	# use -1 or undef as default coordinates, not 0, 0
1624	($x, $y) = ($map->enter_x, $map->enter_y)	1828	($x, $y) = ($map->enter_x, $map->enter_y)
1625	if $x <=0 && $y <= 0;	1829	if $x <=0 && $y <= 0;
1626		1830
1627	$map->load;	1831	$map->load;
		1832	$map->load_diag;
1628		1833
1629	return unless $self->contr->active;	1834	return unless $self->contr->active;
1630	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1631	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1632	}	1839	}
1633		1840
1634	cf::player->attach (	1841	cf::player->attach (
1635	on_logout => sub {	1842	on_logout => sub {
…		…
1648	# try to abort aborted map switching on player login :)	1855	# try to abort aborted map switching on player login :)
1649	# should happen only on crashes	1856	# should happen only on crashes
1650	if ($pl->ob->{_link_pos}) {	1857	if ($pl->ob->{_link_pos}) {
1651	$pl->ob->enter_link;	1858	$pl->ob->enter_link;
1652	(async {	1859	(async {
1653	# we need this sleep as the login has a concurrent enter_exit running
1654	# and this sleep increases chances of the player not ending up in scorn
1655	$pl->ob->reply (undef,	1860	$pl->ob->reply (undef,
1656	"There was an internal problem at your last logout, "	1861	"There was an internal problem at your last logout, "
1657	. "the server will try to bring you to your intended destination in a second.",	1862	. "the server will try to bring you to your intended destination in a second.",
1658	cf::NDI_RED);	1863	cf::NDI_RED);
		1864	# we need this sleep as the login has a concurrent enter_exit running
		1865	# and this sleep increases chances of the player not ending up in scorn
1659	Coro::Timer::sleep 1;	1866	Coro::Timer::sleep 1;
1660	$pl->ob->leave_link;	1867	$pl->ob->leave_link;
1661	})->prio (2);	1868	})->prio (2);
1662	}	1869	}
1663	},	1870	},
…		…
1671	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1672		1879
1673	$self->enter_link;	1880	$self->enter_link;
1674		1881
1675	(async {	1882	(async {
1676	$path = new cf::path $path;	1883	my $map = eval {
1677
1678	my $map = cf::map::find $path->as_string;	1884	my $map = cf::map::find $path;
1679	$map = $map->customise_for ($self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1680		1886	$map
1681	# warn "entering ", $map->path, " at ($x, $y)\n"	1887	} or
1682	# if $map;
1683
1684	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1685		1889
1686	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1687	})->prio (1);	1891	})->prio (1);
1688	}	1892	}
1689		1893
…		…
1693		1897
1694	sub parse_random_map_params {	1898	sub parse_random_map_params {
1695	my ($spec) = @_;	1899	my ($spec) = @_;
1696		1900
1697	my $rmp = { # defaults	1901	my $rmp = { # defaults
1698	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1699	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1700	};	1906	};
1701		1907
1702	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1703	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1704		1910
…		…
1708	$rmp	1914	$rmp
1709	}	1915	}
1710		1916
1711	sub prepare_random_map {	1917	sub prepare_random_map {
1712	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1713		1921
1714	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1715	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1716	# that depends on the exit object	1924	# that depends on the exit object
1717		1925
1718	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1719		1927
1720	if ($exit->map) {	1928	if ($exit->map) {
1721	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1722	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1723	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1724	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1725	}	1933	}
1726		1934
1727	$rmp->{random_seed} ||= $exit->random_seed;	1935	$rmp->{random_seed} ||= $exit->random_seed;
1728		1936
1729	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1730	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1731		1940
1732	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1733	aio_write $fh, 0, (length $data), $data, 0;	1942	aio_write $fh, 0, (length $data), $data, 0;
		1943	undef $fh;
		1944	aio_rename "$meta~", $meta;
1734		1945
1735	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1736	$exit->msg (undef);	1947	$exit->msg (undef);
1737	}	1948	}
1738	}	1949	}
1739		1950
1740	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1741	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1742		1953
1743	return unless $self->type == cf::PLAYER;	1954	return unless $self->type == cf::PLAYER;
		1955
		1956	if ($exit->slaying eq "/!") {
		1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1958	cf::sync_job { prepare_random_map $exit };
		1959	}
		1960
		1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1962	my $hp = $exit->stats->hp;
		1963	my $sp = $exit->stats->sp;
1744		1964
1745	$self->enter_link;	1965	$self->enter_link;
1746		1966
1747	(async {	1967	(async {
1748	$self->deactivate_recursive; # just to be sure	1968	$self->deactivate_recursive; # just to be sure
1749	unless (eval {	1969	unless (eval {
1750	prepare_random_map $exit	1970	$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		1971
1756	1;	1972	1;
1757	}) {	1973	}) {
1758	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1759	. "I'll try to bring you back to the map you were before. "	1975	. "I'll try to bring you back to the map you were before. "
1760	. "Please report this to the dungeon master",	1976	. "Please report this to the dungeon master!",
1761	cf::NDI_UNIQUE | cf::NDI_RED);	1977	cf::NDI_UNIQUE | cf::NDI_RED);
1762		1978
1763	warn "ERROR in enter_exit: $@";	1979	warn "ERROR in enter_exit: $@";
1764	$self->leave_link;	1980	$self->leave_link;
1765	}	1981	}
…		…
1820	# get handled first	2036	# get handled first
1821	my $queue = delete $ns->{query_queue}	2037	my $queue = delete $ns->{query_queue}
1822	or return; # be conservative, not sure how that can happen, but we saw a crash here	2038	or return; # be conservative, not sure how that can happen, but we saw a crash here
1823		2039
1824	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825		2042
1826	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1827		2044
1828	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1829	if (@$queue) {	2046	if (@$queue) {
…		…
1990	The parameter C<$family> should best start with the name of the extension	2207	The parameter C<$family> should best start with the name of the extension
1991	using it, it should be unique.	2208	using it, it should be unique.
1992		2209
1993	=over 4	2210	=over 4
1994		2211
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	2212	=item $value = cf::db_get $family => $key
2002		2213
2003	Returns a single value from the database	2214	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		2215
2010	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
2011		2217
2012	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	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		2219
2023	=cut	2220	=cut
2024		2221
2025	our $DB;	2222	our $DB;
2026		2223
2027	{	2224	sub db_init {
		2225	unless ($DB) {
		2226	$DB = BDB::db_create $DB_ENV;
		2227
		2228	cf::sync_job {
		2229	eval {
		2230	$DB->set_flags (BDB::CHKSUM);
		2231
		2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2234	cf::cleanup "db_open(db): $!" if $!;
		2235	};
		2236	cf::cleanup "db_open(db): $@" if $@;
		2237	};
		2238
2028	my $path = cf::localdir . "/database.pst";	2239	my $path = cf::localdir . "/database.pst";
		2240	if (stat $path) {
		2241	cf::sync_job {
		2242	my $pst = Storable::retrieve $path;
2029		2243
2030	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
2031	$DB = stat $path ? Storable::retrieve $path : { };	2245	cf::db_put (guildrules => data => $pst->{guildrules});
2032	}	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
		2247	BDB::db_env_txn_checkpoint $DB_ENV;
2033		2248
2034	my $pid;	2249	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	}	2250	};
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	},	2251	}
2082	);	2252	}
		2253	}
		2254
		2255	sub db_get($$) {
		2256	my $key = "$_[0]/$_[1]";
		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
		2266	sub db_put($$$) {
		2267	BDB::dbreq_pri 4;
		2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2083	}	2269	}
2084		2270
2085	#############################################################################	2271	#############################################################################
2086	# the server's main()	2272	# the server's init and main functions
		2273
		2274	sub load_faces {
		2275	my $path = sprintf "%s/faces", cf::datadir;
		2276
		2277	warn "loading faces from $path\n";
		2278
		2279	my $faces;
		2280	0 < aio_load $path, $faces
		2281	or die "$path: $!";
		2282
		2283	Coro::cede;
		2284	$faces = Storable::thaw $faces;
		2285	Coro::cede;
		2286
		2287	while (my ($face, $info) = each %$faces) {
		2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2291	Coro::cede;
		2292	}
		2293
		2294	1
		2295	}
		2296
		2297	sub reload_resources {
		2298	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2299	or die "unable to load regions file\n";#d#
		2300	load_faces
		2301	or die "unable to load faces\n";#d#
		2302	}
		2303
		2304	sub init {
		2305	reload_resources;
		2306	}
2087		2307
2088	sub cfg_load {	2308	sub cfg_load {
2089	open my $fh, "<:utf8", cf::confdir . "/config"	2309	open my $fh, "<:utf8", cf::confdir . "/config"
2090	or return;	2310	or return;
2091		2311
…		…
2097	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2317	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2098	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2318	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2099		2319
2100	if (exists $CFG{mlockall}) {	2320	if (exists $CFG{mlockall}) {
2101	eval {	2321	eval {
2102	$CFG{mlockall} ? &mlockall : &munlockall	2322	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2103	and die "WARNING: m(un)lockall failed: $!\n";	2323	and die "WARNING: m(un)lockall failed: $!\n";
2104	};	2324	};
2105	warn $@ if $@;	2325	warn $@ if $@;
2106	}	2326	}
2107	}	2327	}
2108		2328
2109	sub main {	2329	sub main {
2110	# we must not ever block the main coroutine	2330	# we must not ever block the main coroutine
2111	local $Coro::idle = sub {	2331	local $Coro::idle = sub {
2112	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2333	(async {
2113	async { Event::one_event };	2334	Event::one_event;
		2335	})->prio (Coro::PRIO_MAX);
2114	};	2336	};
2115		2337
2116	cfg_load;	2338	cfg_load;
2117	db_load;	2339	db_init;
2118	load_extensions;	2340	load_extensions;
		2341
		2342	$TICK_WATCHER->start;
2119	Event::loop;	2343	Event::loop;
2120	}	2344	}
2121		2345
2122	#############################################################################	2346	#############################################################################
2123	# initialisation	2347	# initialisation and cleanup
		2348
		2349	# install some emergency cleanup handlers
		2350	BEGIN {
		2351	for my $signal (qw(INT HUP TERM)) {
		2352	Event->signal (
		2353	reentrant => 0,
		2354	data => WF_AUTOCANCEL,
		2355	signal => $signal,
		2356	prio => 0,
		2357	cb => sub {
		2358	cf::cleanup "SIG$signal";
		2359	},
		2360	);
		2361	}
		2362	}
		2363
		2364	sub emergency_save() {
		2365	my $freeze_guard = cf::freeze_mainloop;
		2366
		2367	warn "enter emergency perl save\n";
		2368
		2369	cf::sync_job {
		2370	# use a peculiar iteration method to avoid tripping on perl
		2371	# refcount bugs in for. also avoids problems with players
		2372	# and maps saved/destroyed asynchronously.
		2373	warn "begin emergency player save\n";
		2374	for my $login (keys %cf::PLAYER) {
		2375	my $pl = $cf::PLAYER{$login} or next;
		2376	$pl->valid or next;
		2377	$pl->save;
		2378	}
		2379	warn "end emergency player save\n";
		2380
		2381	warn "begin emergency map save\n";
		2382	for my $path (keys %cf::MAP) {
		2383	my $map = $cf::MAP{$path} or next;
		2384	$map->valid or next;
		2385	$map->save;
		2386	}
		2387	warn "end emergency map save\n";
		2388
		2389	warn "begin emergency database checkpoint\n";
		2390	BDB::db_env_txn_checkpoint $DB_ENV;
		2391	warn "end emergency database checkpoint\n";
		2392	};
		2393
		2394	warn "leave emergency perl save\n";
		2395	}
		2396
		2397	sub post_cleanup {
		2398	my ($make_core) = @_;
		2399
		2400	warn Carp::longmess "post_cleanup backtrace"
		2401	if $make_core;
		2402	}
2124		2403
2125	sub reload() {	2404	sub reload() {
2126	# can/must only be called in main	2405	# can/must only be called in main
2127	if ($Coro::current != $Coro::main) {	2406	if ($Coro::current != $Coro::main) {
2128	warn "can only reload from main coroutine\n";	2407	warn "can only reload from main coroutine";
2129	return;	2408	return;
2130	}	2409	}
2131		2410
2132	warn "reloading...";	2411	warn "reloading...";
2133		2412
2134	my $guard = freeze_mainloop;	2413	warn "entering sync_job";
		2414
		2415	cf::sync_job {
		2416	cf::write_runtime; # external watchdog should not bark
2135	cf::emergency_save;	2417	cf::emergency_save;
		2418	cf::write_runtime; # external watchdog should not bark
2136		2419
2137	eval {	2420	warn "syncing database to disk";
		2421	BDB::db_env_txn_checkpoint $DB_ENV;
		2422
2138	# if anything goes wrong in here, we should simply crash as we already saved	2423	# if anything goes wrong in here, we should simply crash as we already saved
2139		2424
2140	# cancel all watchers	2425	warn "cancelling all WF_AUTOCANCEL watchers";
2141	for (Event::all_watchers) {	2426	for (Event::all_watchers) {
2142	$_->cancel if $_->data & WF_AUTOCANCEL;	2427	$_->cancel if $_->data & WF_AUTOCANCEL;
2143	}	2428	}
2144		2429
		2430	warn "flushing outstanding aio requests";
		2431	for (;;) {
		2432	BDB::flush;
		2433	IO::AIO::flush;
		2434	Coro::cede;
		2435	last unless IO::AIO::nreqs || BDB::nreqs;
		2436	warn "iterate...";
		2437	}
		2438
		2439	++$RELOAD;
		2440
2145	# cancel all extension coros	2441	warn "cancelling all extension coros";
2146	$_->cancel for values %EXT_CORO;	2442	$_->cancel for values %EXT_CORO;
2147	%EXT_CORO = ();	2443	%EXT_CORO = ();
2148		2444
2149	# unload all extensions	2445	warn "removing commands";
2150	for (@exts) {	2446	%COMMAND = ();
		2447
		2448	warn "removing ext commands";
		2449	%EXTCMD = ();
		2450
		2451	warn "unloading/nuking all extensions";
		2452	for my $pkg (@EXTS) {
2151	warn "unloading <$_>";	2453	warn "... unloading $pkg";
2152	unload_extension $_;	2454
		2455	if (my $cb = $pkg->can ("unload")) {
		2456	eval {
		2457	$cb->($pkg);
		2458	1
		2459	} or warn "$pkg unloaded, but with errors: $@";
2153	}	2460	}
2154		2461
		2462	warn "... nuking $pkg";
		2463	Symbol::delete_package $pkg;
		2464	}
		2465
2155	# unload all modules loaded from $LIBDIR	2466	warn "unloading all perl modules loaded from $LIBDIR";
2156	while (my ($k, $v) = each %INC) {	2467	while (my ($k, $v) = each %INC) {
2157	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2468	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2158		2469
2159	warn "removing <$k>";	2470	warn "... unloading $k";
2160	delete $INC{$k};	2471	delete $INC{$k};
2161		2472
2162	$k =~ s/\.pm$//;	2473	$k =~ s/\.pm$//;
2163	$k =~ s/\//::/g;	2474	$k =~ s/\//::/g;
2164		2475
…		…
2167	}	2478	}
2168		2479
2169	Symbol::delete_package $k;	2480	Symbol::delete_package $k;
2170	}	2481	}
2171		2482
2172	# sync database to disk
2173	cf::db_sync;
2174	IO::AIO::flush;
2175
2176	# get rid of safe::, as good as possible	2483	warn "getting rid of safe::, as good as possible";
2177	Symbol::delete_package "safe::$_"	2484	Symbol::delete_package "safe::$_"
2178	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2485	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2179		2486
2180	# remove register_script_function callbacks
2181	# TODO
2182
2183	# unload cf.pm "a bit"	2487	warn "unloading cf.pm \"a bit\"";
2184	delete $INC{"cf.pm"};	2488	delete $INC{"cf.pm"};
2185		2489
2186	# don't, removes xs symbols, too,	2490	# don't, removes xs symbols, too,
2187	# and global variables created in xs	2491	# and global variables created in xs
2188	#Symbol::delete_package __PACKAGE__;	2492	#Symbol::delete_package __PACKAGE__;
2189		2493
2190	# reload cf.pm	2494	warn "unload completed, starting to reload now";
		2495
2191	warn "reloading cf.pm";	2496	warn "reloading cf.pm";
2192	require cf;	2497	require cf;
2193	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2498	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2194		2499
2195	# load config and database again	2500	warn "loading config and database again";
2196	cf::cfg_load;	2501	cf::cfg_load;
2197	cf::db_load;
2198		2502
2199	# load extensions
2200	warn "load extensions";	2503	warn "loading extensions";
2201	cf::load_extensions;	2504	cf::load_extensions;
2202		2505
2203	# reattach attachments to objects	2506	warn "reattaching attachments to objects/players";
2204	warn "reattach";	2507	_global_reattach; # objects, sockets
2205	_global_reattach;	2508	warn "reattaching attachments to maps";
2206	reattach $_ for values %MAP;	2509	reattach $_ for values %MAP;
2207	};	2510	warn "reattaching attachments to players";
		2511	reattach $_ for values %PLAYER;
2208		2512
2209	if ($@) {	2513	warn "loading reloadable resources";
		2514	reload_resources;
		2515
		2516	warn "leaving sync_job";
		2517
		2518	1
		2519	} or do {
2210	warn $@;	2520	warn $@;
2211	warn "error while reloading, exiting.";	2521	warn "error while reloading, exiting.";
2212	exit 1;	2522	exit 1;
2213	}	2523	};
2214		2524
2215	warn "reloaded successfully";	2525	warn "reloaded";
2216	};	2526	};
2217		2527
2218	#############################################################################	2528	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} = $LINK_MAP;
2259	}
2260
2261	register "<global>", __PACKAGE__;
2262		2529
2263	register_command "reload" => sub {	2530	register_command "reload" => sub {
2264	my ($who, $arg) = @_;	2531	my ($who, $arg) = @_;
2265		2532
2266	if ($who->flag (FLAG_WIZ)) {	2533	if ($who->flag (FLAG_WIZ)) {
2267	$who->message ("start of reload.");	2534	$who->message ("reloading server.");
		2535
		2536	# doing reload synchronously and two reloads happen back-to-back,
		2537	# coro crashes during coro_state_free->destroy here.
		2538
		2539	$RELOAD_WATCHER ||= Event->timer (
		2540	reentrant => 0,
		2541	after => 0,
		2542	data => WF_AUTOCANCEL,
		2543	cb => sub {
2268	reload;	2544	reload;
2269	$who->message ("end of reload.");	2545	undef $RELOAD_WATCHER;
		2546	},
		2547	);
2270	}	2548	}
2271	};	2549	};
2272		2550
2273	unshift @INC, $LIBDIR;	2551	unshift @INC, $LIBDIR;
		2552
		2553	my $bug_warning = 0;
2274		2554
2275	$TICK_WATCHER = Event->timer (	2555	$TICK_WATCHER = Event->timer (
2276	reentrant => 0,	2556	reentrant => 0,
		2557	parked => 1,
2277	prio => 0,	2558	prio => 0,
2278	at => $NEXT_TICK || $TICK,	2559	at => $NEXT_TICK || $TICK,
2279	data => WF_AUTOCANCEL,	2560	data => WF_AUTOCANCEL,
2280	cb => sub {	2561	cb => sub {
		2562	if ($Coro::current != $Coro::main) {
		2563	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2564	unless ++$bug_warning > 10;
		2565	return;
		2566	}
		2567
		2568	$NOW = Event::time;
		2569
2281	cf::server_tick; # one server iteration	2570	cf::server_tick; # one server iteration
2282	$RUNTIME += $TICK;	2571	$RUNTIME += $TICK;
2283	$NEXT_TICK += $TICK;	2572	$NEXT_TICK += $TICK;
		2573
		2574	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2575	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2576	Coro::async_pool {
		2577	write_runtime
		2578	or warn "ERROR: unable to write runtime file: $!";
		2579	};
		2580	}
		2581
		2582	$WAIT_FOR_TICK->broadcast;
		2583	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2584
		2585	# my $AFTER = Event::time;
		2586	# warn $AFTER - $NOW;#d#
2284		2587
2285	# if we are delayed by four ticks or more, skip them all	2588	# if we are delayed by four ticks or more, skip them all
2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2589	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2287		2590
2288	$TICK_WATCHER->at ($NEXT_TICK);	2591	$TICK_WATCHER->at ($NEXT_TICK);
2289	$TICK_WATCHER->start;	2592	$TICK_WATCHER->start;
2290	},	2593	},
2291	);	2594	);
2292		2595
		2596	{
2293	IO::AIO::max_poll_time $TICK * 0.2;	2597	BDB::max_poll_time $TICK * 0.1;
2294		2598	$BDB_POLL_WATCHER = Event->io (
2295	Event->io (	2599	reentrant => 0,
2296	fd => IO::AIO::poll_fileno,	2600	fd => BDB::poll_fileno,
2297	poll => 'r',	2601	poll => 'r',
2298	prio => 5,	2602	prio => 0,
2299	data => WF_AUTOCANCEL,
2300	cb => \&IO::AIO::poll_cb,
2301	);
2302
2303	Event->timer (
2304	data => WF_AUTOCANCEL,	2603	data => WF_AUTOCANCEL,
2305	after => 0,	2604	cb => \&BDB::poll_cb,
2306	interval => 10,	2605	);
2307	cb => sub {	2606	BDB::min_parallel 8;
2308	(Coro::unblock_sub {	2607
2309	write_runtime	2608	BDB::set_sync_prepare {
2310	or warn "ERROR: unable to write runtime file: $!";	2609	my $status;
		2610	my $current = $Coro::current;
		2611	(
		2612	sub {
		2613	$status = $!;
		2614	$current->ready; undef $current;
		2615	},
		2616	sub {
		2617	Coro::schedule while defined $current;
		2618	$! = $status;
		2619	},
		2620	)
		2621	};
		2622
		2623	unless ($DB_ENV) {
		2624	$DB_ENV = BDB::db_env_create;
		2625
		2626	cf::sync_job {
		2627	eval {
		2628	BDB::db_env_open
		2629	$DB_ENV,
		2630	$BDB_ENV_DIR,
		2631	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2632	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2633	0666;
		2634
		2635	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2636
		2637	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2638	$DB_ENV->set_lk_detect;
		2639	};
		2640
		2641	cf::cleanup "db_env_open(db): $@" if $@;
2311	})->();	2642	};
2312	},	2643	}
2313	);	2644	}
		2645
		2646	{
		2647	IO::AIO::min_parallel 8;
		2648
		2649	undef $Coro::AIO::WATCHER;
		2650	IO::AIO::max_poll_time $TICK * 0.1;
		2651	$AIO_POLL_WATCHER = Event->io (
		2652	reentrant => 0,
		2653	data => WF_AUTOCANCEL,
		2654	fd => IO::AIO::poll_fileno,
		2655	poll => 'r',
		2656	prio => 6,
		2657	cb => \&IO::AIO::poll_cb,
		2658	);
		2659	}
2314		2660
2315	END { cf::emergency_save }	2661	END { cf::emergency_save }
2316		2662
2317	1	2663	1
2318		2664

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