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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.141 by root, Fri Jan 5 20:08:53 2007 UTC vs.
Revision 1.214 by root, Wed Feb 14 00:40:05 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		39
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		78
57	binmode STDOUT;	79	binmode STDOUT;
58	binmode STDERR;	80	binmode STDERR;
59		81
60	# read virtual server time, if available	82	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	89	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
72		95
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
76		99
77	#############################################################################	100	#############################################################################
78		101
79	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
80		103
…		…
104		127
105	=item %cf::CFG	128	=item %cf::CFG
106		129
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
109		139
110	=back	140	=back
111		141
112	=cut	142	=cut
113		143
…		…
117	utf8::encode $msg;	147	utf8::encode $msg;
118		148
119	$msg .= "\n"	149	$msg .= "\n"
120	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
121		151
122	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
123	};	153	};
124	}	154	}
125		155
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		175
146	$Event::DIED = sub {	176	$Event::DIED = sub {
147	warn "error in event callback: @_";	177	warn "error in event callback: @_";
148	};	178	};
149		179
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
155		181
156	=over 4	182	=over 4
157		183
		184	=item dumpval $ref
		185
158	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
159		206
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		208
162	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
163		210
…		…
224	}	271	}
225		272
226	sub freeze_mainloop {	273	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
228		275
229	my $guard = Coro::guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
230	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
231	$guard	280	$guard
232	}	281	}
233		282
234	=item cf::async { BLOCK }	283	=item cf::async { BLOCK }
…		…
286	}	335	}
287	}	336	}
288		337
289	=item $coro = cf::async_ext { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
290		339
291	Like async, but this coro is automcatially being canceled when the	340	Like async, but this coro is automatically being canceled when the
292	extension calling this is being unloaded.	341	extension calling this is being unloaded.
293		342
294	=cut	343	=cut
295		344
296	sub async_ext(&) {	345	sub async_ext(&) {
…		…
310	my $runtime = cf::localdir . "/runtime";	359	my $runtime = cf::localdir . "/runtime";
311		360
312	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
313	or return;	362	or return;
314		363
		364	my $value = $cf::RUNTIME + 90 + 10;
315	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	365	# 10 is the runtime save interval, for a monotonic clock
		366	# 60 allows for the watchdog to kill the server.
		367
316	(aio_write $fh, 0, (length $value), $value, 0) <= 0	368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
317	and return;	369	and return;
318		370
		371	# always fsync - this file is important
319	aio_fsync $fh	372	aio_fsync $fh
320	and return;	373	and return;
321		374
322	close $fh	375	close $fh
323	or return;	376	or return;
…		…
329	}	382	}
330		383
331	=back	384	=back
332		385
333	=cut	386	=cut
334
335	#############################################################################
336
337	package cf::path;
338
339	sub new {
340	my ($class, $path, $base) = @_;
341
342	$path = $path->as_string if ref $path;
343
344	my $self = bless { }, $class;
345
346	# {... are special paths that are not touched
347	# ?xxx/... are special absolute paths
348	# ?random/... random maps
349	# /! non-realised random map exit
350	# /... normal maps
351	# ~/... per-player maps without a specific player (DO NOT USE)
352	# ~user/... per-player map of a specific user
353
354	if ($path =~ /^{/) {
355	# fine as it is
356	} elsif ($path =~ s{^\?random/}{}) {
357	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
358	$self->{random} = cf::from_json $data;
359	} else {
360	if ($path =~ s{^~([^/]+)?}{}) {
361	$self->{user_rel} = 1;
362
363	if (defined $1) {
364	$self->{user} = $1;
365	} elsif ($base =~ m{^~([^/]+)/}) {
366	$self->{user} = $1;
367	} else {
368	warn "cannot resolve user-relative path without user <$path,$base>\n";
369	}
370	} elsif ($path =~ /^\//) {
371	# already absolute
372	} else {
373	$base =~ s{[^/]+/?$}{};
374	return $class->new ("$base/$path");
375	}
376
377	for ($path) {
378	redo if s{/\.?/}{/};
379	redo if s{/[^/]+/\.\./}{/};
380	}
381	}
382
383	$self->{path} = $path;
384
385	$self
386	}
387
388	# the name / primary key / in-game path
389	sub as_string {
390	my ($self) = @_;
391
392	$self->{user_rel} ? "~$self->{user}$self->{path}"
393	: $self->{random} ? "?random/$self->{path}"
394	: $self->{path}
395	}
396
397	# the displayed name, this is a one way mapping
398	sub visible_name {
399	my ($self) = @_;
400
401	# if (my $rmp = $self->{random}) {
402	# # todo: be more intelligent about this
403	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
404	# } else {
405	$self->as_string
406	# }
407	}
408
409	# escape the /'s in the path
410	sub _escaped_path {
411	# ∕ is U+2215
412	(my $path = $_[0]{path}) =~ s/\//∕/g;
413	$path
414	}
415
416	# the original (read-only) location
417	sub load_path {
418	my ($self) = @_;
419
420	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
421	}
422
423	# the temporary/swap location
424	sub save_path {
425	my ($self) = @_;
426
427	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
428	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
429	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
430	}
431
432	# the unique path, might be eq to save_path
433	sub uniq_path {
434	my ($self) = @_;
435
436	$self->{user_rel} || $self->{random}
437	? undef
438	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
439	}
440
441	# return random map parameters, or undef
442	sub random_map_params {
443	my ($self) = @_;
444
445	$self->{random}
446	}
447
448	# this is somewhat ugly, but style maps do need special treatment
449	sub is_style_map {
450	$_[0]{path} =~ m{^/styles/}
451	}
452
453	package cf;
454		387
455	#############################################################################	388	#############################################################################
456		389
457	=head2 ATTACHABLE OBJECTS	390	=head2 ATTACHABLE OBJECTS
458		391
…		…
584	our @CB_TYPE = (); # registry for type (cf-object class) based events	517	our @CB_TYPE = (); # registry for type (cf-object class) based events
585	our @CB_MAP = ();	518	our @CB_MAP = ();
586		519
587	my %attachment;	520	my %attachment;
588		521
		522	sub cf::attachable::thawer_merge {
		523	# simply override everything except _meta
		524	local $_[0]{_meta};
		525	%{$_[0]} = %{$_[1]};
		526	}
		527
589	sub _attach_cb($$$$) {	528	sub _attach_cb($$$$) {
590	my ($registry, $event, $prio, $cb) = @_;	529	my ($registry, $event, $prio, $cb) = @_;
591		530
592	use sort 'stable';	531	use sort 'stable';
593		532
…		…
764	# object support	703	# object support
765		704
766	sub reattach {	705	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	706	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	707	my ($obj) = @_;
		708
		709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
769		710
770	my $registry = $obj->registry;	711	my $registry = $obj->registry;
771		712
772	@$registry = ();	713	@$registry = ();
773		714
…		…
820	$filename, length $$rdata, scalar @$objs;	761	$filename, length $$rdata, scalar @$objs;
821		762
822	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
823	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
824	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
825	aio_fsync $fh;	766	aio_fsync $fh if $cf::USE_FSYNC;
826	close $fh;	767	close $fh;
827		768
828	if (@$objs) {	769	if (@$objs) {
829	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
831	my $data = Storable::nfreeze { version => 1, objs => $objs };	772	my $data = Storable::nfreeze { version => 1, objs => $objs };
832	aio_write $fh, 0, (length $data), $data, 0;	773	aio_write $fh, 0, (length $data), $data, 0;
833	aio_fsync $fh;	774	aio_fsync $fh if $cf::USE_FSYNC;
834	close $fh;	775	close $fh;
835	aio_rename "$filename.pst~", "$filename.pst";	776	aio_rename "$filename.pst~", "$filename.pst";
836	}	777	}
837	} else {	778	} else {
838	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
…		…
844	}	785	}
845	} else {	786	} else {
846	aio_unlink $filename;	787	aio_unlink $filename;
847	aio_unlink "$filename.pst";	788	aio_unlink "$filename.pst";
848	}	789	}
		790
		791	#d##TODO# nuke non .map-files if exist
		792	if ($filename =~ s/\.map$//) {
		793	aio_unlink $filename;
		794	aio_unlink "$filename.pst";
		795	}
849	}	796	}
850	}	797	}
851		798
852	sub object_freezer_as_string {	799	sub object_freezer_as_string {
853	my ($rdata, $objs) = @_;	800	my ($rdata, $objs) = @_;
…		…
859		806
860	sub object_thawer_load {	807	sub object_thawer_load {
861	my ($filename) = @_;	808	my ($filename) = @_;
862		809
863	my ($data, $av);	810	my ($data, $av);
		811
		812	#d#TODO remove .map if file does not exist
		813	aio_stat $filename and $filename =~ s/\.map$//;
864		814
865	(aio_load $filename, $data) >= 0	815	(aio_load $filename, $data) >= 0
866	or return;	816	or return;
867		817
868	unless (aio_stat "$filename.pst") {	818	unless (aio_stat "$filename.pst") {
…		…
905	=cut	855	=cut
906		856
907	sub register_extcmd {	857	sub register_extcmd {
908	my ($name, $cb) = @_;	858	my ($name, $cb) = @_;
909		859
910	my $caller = caller;
911	#warn "registering extcmd '$name' to '$caller'";
912
913	$EXTCMD{$name} = [$cb, $caller];	860	$EXTCMD{$name} = $cb;
914	}	861	}
915		862
916	cf::player->attach (	863	cf::player->attach (
917	on_command => sub {	864	on_command => sub {
918	my ($pl, $name, $params) = @_;	865	my ($pl, $name, $params) = @_;
…		…
931		878
932	my $msg = eval { from_json $buf };	879	my $msg = eval { from_json $buf };
933		880
934	if (ref $msg) {	881	if (ref $msg) {
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
936	if (my %reply = $cb->[0]->($pl, $msg)) {	883	if (my %reply = $cb->($pl, $msg)) {
937	$pl->ext_reply ($msg->{msgid}, %reply);	884	$pl->ext_reply ($msg->{msgid}, %reply);
938	}	885	}
939	}	886	}
940	} else {	887	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
943		890
944	cf::override;	891	cf::override;
945	},	892	},
946	);	893	);
947		894
948	sub register {
949	my ($base, $pkg) = @_;
950
951	#TODO
952	}
953
954	sub load_extension {	895	sub load_extension {
955	my ($path) = @_;	896	my ($path) = @_;
956		897
957	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
958	my $base = $1;	899	my $base = $1;
959	my $pkg = $1;	900	my $pkg = $1;
960	$pkg =~ s/[^[:word:]]/_/g;	901	$pkg =~ s/[^[:word:]]/_/g;
961	$pkg = "ext::$pkg";	902	$pkg = "ext::$pkg";
962		903
963	warn "loading '$path' into '$pkg'\n";	904	warn "... loading '$path' into '$pkg'\n";
964		905
965	open my $fh, "<:utf8", $path	906	open my $fh, "<:utf8", $path
966	or die "$path: $!";	907	or die "$path: $!";
967		908
968	my $source =	909	my $source =
969	"package $pkg; use strict; use utf8;\n"	910	"package $pkg; use strict; use utf8;\n"
970	. "#line 1 \"$path\"\n{\n"	911	. "#line 1 \"$path\"\n{\n"
971	. (do { local $/; <$fh> })	912	. (do { local $/; <$fh> })
972	. "\n};\n1";	913	. "\n};\n1";
973		914
974	eval $source	915	unless (eval $source) {
975	or die $@ ? "$path: $@\n"	916	my $msg = $@ ? "$path: $@\n"
976	: "extension disabled.\n";	917	: "extension disabled.\n";
977		918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
978	push @exts, $pkg;	919	warn $@;
979	$ext_pkg{$base} = $pkg;	920	warn "mandatory extension failed to load, exiting.\n";
980		921	exit 1;
981	# no strict 'refs';	922	}
982	# @{"$pkg\::ISA"} = ext::;	923	die $@;
983
984	register $base, $pkg;
985	}
986
987	sub unload_extension {
988	my ($pkg) = @_;
989
990	warn "removing extension $pkg\n";
991
992	# remove hooks
993	#TODO
994	# for my $idx (0 .. $#PLUGIN_EVENT) {
995	# delete $hook[$idx]{$pkg};
996	# }	924	}
997		925
998	# remove commands	926	push @EXTS, $pkg;
999	for my $name (keys %COMMAND) {
1000	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1001
1002	if (@cb) {
1003	$COMMAND{$name} = \@cb;
1004	} else {
1005	delete $COMMAND{$name};
1006	}
1007	}
1008
1009	# remove extcmds
1010	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1011	delete $EXTCMD{$name};
1012	}
1013
1014	if (my $cb = $pkg->can ("unload")) {
1015	eval {
1016	$cb->($pkg);
1017	1
1018	} or warn "$pkg unloaded, but with errors: $@";
1019	}
1020
1021	Symbol::delete_package $pkg;
1022	}	927	}
1023		928
1024	sub load_extensions {	929	sub load_extensions {
1025	for my $ext (<$LIBDIR/*.ext>) {	930	for my $ext (<$LIBDIR/*.ext>) {
1026	next unless -r $ext;	931	next unless -r $ext;
…		…
1030	} or warn "$ext not loaded: $@";	935	} or warn "$ext not loaded: $@";
1031	}	936	}
1032	}	937	}
1033		938
1034	#############################################################################	939	#############################################################################
1035	# load/save/clean perl data associated with a map
1036
1037	*cf::mapsupport::on_clean = sub {
1038	my ($map) = @_;
1039
1040	my $path = $map->tmpname;
1041	defined $path or return;
1042
1043	unlink "$path.pst";
1044	};
1045
1046	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1047
1048	#############################################################################
1049	# load/save perl data associated with player->ob objects
1050
1051	sub all_objects(@) {
1052	@_, map all_objects ($_->inv), @_
1053	}
1054
1055	# TODO: compatibility cruft, remove when no longer needed
1056	cf::player->attach (
1057	on_load => sub {
1058	my ($pl, $path) = @_;
1059
1060	for my $o (all_objects $pl->ob) {
1061	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1062	$o->set_ob_key_value ("_perl_data");
1063
1064	%$o = %{ Storable::thaw pack "H*", $value };
1065	}
1066	}
1067	},
1068	);
1069
1070	#############################################################################
1071		940
1072	=head2 CORE EXTENSIONS	941	=head2 CORE EXTENSIONS
1073		942
1074	Functions and methods that extend core crossfire objects.	943	Functions and methods that extend core crossfire objects.
1075		944
		945	=cut
		946
		947	package cf::player;
		948
		949	use Coro::AIO;
		950
1076	=head3 cf::player	951	=head3 cf::player
1077		952
1078	=over 4	953	=over 4
1079		954
1080	=item cf::player::exists $login	955	=item cf::player::find $login
1081		956
1082	Returns true when the given account exists.	957	Returns the given player object, loading it if necessary (might block).
1083		958
1084	=cut	959	=cut
1085		960
1086	sub cf::player::exists($) {	961	sub playerdir($) {
1087	cf::player::find $_[0]	962	cf::localdir
1088	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	963	. "/"
		964	. cf::playerdir
		965	. "/"
		966	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		967	}
		968
		969	sub path($) {
		970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		971
		972	(playerdir $login) . "/$login.pl"
		973	}
		974
		975	sub find_active($) {
		976	$cf::PLAYER{$_[0]}
		977	and $cf::PLAYER{$_[0]}->active
		978	and $cf::PLAYER{$_[0]}
		979	}
		980
		981	sub exists($) {
		982	my ($login) = @_;
		983
		984	$cf::PLAYER{$login}
		985	or cf::sync_job { !aio_stat path $login }
		986	}
		987
		988	sub find($) {
		989	return $cf::PLAYER{$_[0]} || do {
		990	my $login = $_[0];
		991
		992	my $guard = cf::lock_acquire "user_find:$login";
		993
		994	$cf::PLAYER{$_[0]} || do {
		995	my $pl = load_pl path $login
		996	or return;
		997	$cf::PLAYER{$login} = $pl
		998	}
		999	}
		1000	}
		1001
		1002	sub save($) {
		1003	my ($pl) = @_;
		1004
		1005	return if $pl->{deny_save};
		1006
		1007	my $path = path $pl;
		1008	my $guard = cf::lock_acquire "user_save:$path";
		1009
		1010	return if $pl->{deny_save};
		1011
		1012	aio_mkdir playerdir $pl, 0770;
		1013	$pl->{last_save} = $cf::RUNTIME;
		1014
		1015	$pl->save_pl ($path);
		1016	Coro::cede;
		1017	}
		1018
		1019	sub new($) {
		1020	my ($login) = @_;
		1021
		1022	my $self = create;
		1023
		1024	$self->ob->name ($login);
		1025	$self->{deny_save} = 1;
		1026
		1027	$cf::PLAYER{$login} = $self;
		1028
		1029	$self
		1030	}
		1031
		1032	=item $pl->quit_character
		1033
		1034	Nukes the player without looking back. If logged in, the connection will
		1035	be destroyed. May block for a long time.
		1036
		1037	=cut
		1038
		1039	sub quit_character {
		1040	my ($pl) = @_;
		1041
		1042	$pl->{deny_save} = 1;
		1043	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1044
		1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1046	$pl->deactivate;
		1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1048	$pl->ns->destroy if $pl->ns;
		1049
		1050	my $path = playerdir $pl;
		1051	my $temp = "$path~$cf::RUNTIME~deleting~";
		1052	aio_rename $path, $temp;
		1053	delete $cf::PLAYER{$pl->ob->name};
		1054	$pl->destroy;
		1055	IO::AIO::aio_rmtree $temp;
		1056	}
		1057
		1058	=item cf::player::list_logins
		1059
		1060	Returns am arrayref of all valid playernames in the system, can take a
		1061	while and may block, so not sync_job-capable, ever.
		1062
		1063	=cut
		1064
		1065	sub list_logins {
		1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1067	or return [];
		1068
		1069	my @logins;
		1070
		1071	for my $login (@$dirs) {
		1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1073	aio_read $fh, 0, 512, my $buf, 0 or next;
		1074	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1075
		1076	utf8::decode $login;
		1077	push @logins, $login;
		1078	}
		1079
		1080	\@logins
		1081	}
		1082
		1083	=item $player->maps
		1084
		1085	Returns an arrayref of map paths that are private for this
		1086	player. May block.
		1087
		1088	=cut
		1089
		1090	sub maps($) {
		1091	my ($pl) = @_;
		1092
		1093	$pl = ref $pl ? $pl->ob->name : $pl;
		1094
		1095	my $files = aio_readdir playerdir $pl
		1096	or return;
		1097
		1098	my @paths;
		1099
		1100	for (@$files) {
		1101	utf8::decode $_;
		1102	next if /\.(?:pl|pst)$/;
		1103	next unless /^$PATH_SEP/o;
		1104
		1105	push @paths, cf::map::normalise "~$pl/$_";
		1106	}
		1107
		1108	\@paths
1089	}	1109	}
1090		1110
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1111	=item $player->ext_reply ($msgid, $msgtype, %msg)
1092		1112
1093	Sends an ext reply to the player.	1113	Sends an ext reply to the player.
1094		1114
1095	=cut	1115	=cut
1096		1116
1097	sub cf::player::ext_reply($$$%) {	1117	sub ext_reply($$$%) {
1098	my ($self, $id, %msg) = @_;	1118	my ($self, $id, %msg) = @_;
1099		1119
1100	$msg{msgid} = $id;	1120	$msg{msgid} = $id;
1101		1121
1102	$self->send ("ext " . to_json \%msg);	1122	$self->send ("ext " . cf::to_json \%msg);
1103	}	1123	}
		1124
		1125	package cf;
1104		1126
1105	=back	1127	=back
1106		1128
1107		1129
1108	=head3 cf::map	1130	=head3 cf::map
…		…
1114	package cf::map;	1136	package cf::map;
1115		1137
1116	use Fcntl;	1138	use Fcntl;
1117	use Coro::AIO;	1139	use Coro::AIO;
1118		1140
		1141	use overload
		1142	'""' => \&as_string,
		1143	fallback => 1;
		1144
1119	our $MAX_RESET = 3600;	1145	our $MAX_RESET = 3600;
1120	our $DEFAULT_RESET = 3000;	1146	our $DEFAULT_RESET = 3000;
1121		1147
1122	sub generate_random_map {	1148	sub generate_random_map {
1123	my ($path, $rmp) = @_;	1149	my ($self, $rmp) = @_;
1124
1125	# mit "rum" bekleckern, nicht	1150	# mit "rum" bekleckern, nicht
1126	cf::map::_create_random_map	1151	$self->_create_random_map (
1127	$path,
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},	1155	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},	1156	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1159	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1160	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1161	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region})	1162	(cf::region::find $rmp->{region}), $rmp->{custom}
		1163	)
		1164	}
		1165
		1166	=item cf::map->register ($regex, $prio)
		1167
		1168	Register a handler for the map path matching the given regex at the
		1169	givne priority (higher is better, built-in handlers have priority 0, the
		1170	default).
		1171
		1172	=cut
		1173
		1174	sub register {
		1175	my (undef, $regex, $prio) = @_;
		1176	my $pkg = caller;
		1177
		1178	no strict;
		1179	push @{"$pkg\::ISA"}, __PACKAGE__;
		1180
		1181	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1182	}
		1183
		1184	# also paths starting with '/'
		1185	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1186
		1187	sub thawer_merge {
		1188	my ($self, $merge) = @_;
		1189
		1190	# we have to keep some variables in memory intact
		1191	local $self->{path};
		1192	local $self->{load_path};
		1193	local $self->{deny_save};
		1194	local $self->{deny_reset};
		1195
		1196	$self->SUPER::thawer_merge ($merge);
		1197	}
		1198
		1199	sub normalise {
		1200	my ($path, $base) = @_;
		1201
		1202	$path = "$path"; # make sure its a string
		1203
		1204	$path =~ s/\.map$//;
		1205
		1206	# map plan:
		1207	#
		1208	# /! non-realised random map exit (special hack!)
		1209	# {... are special paths that are not being touched
		1210	# ?xxx/... are special absolute paths
		1211	# ?random/... random maps
		1212	# /... normal maps
		1213	# ~user/... per-player map of a specific user
		1214
		1215	$path =~ s/$PATH_SEP/\//go;
		1216
		1217	# treat it as relative path if it starts with
		1218	# something that looks reasonable
		1219	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1220	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1221
		1222	$base =~ s{[^/]+/?$}{};
		1223	$path = "$base/$path";
		1224	}
		1225
		1226	for ($path) {
		1227	redo if s{//}{/};
		1228	redo if s{/\.?/}{/};
		1229	redo if s{/[^/]+/\.\./}{/};
		1230	}
		1231
		1232	$path
		1233	}
		1234
		1235	sub new_from_path {
		1236	my (undef, $path, $base) = @_;
		1237
		1238	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1239
		1240	$path = normalise $path, $base;
		1241
		1242	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1243	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1244	my $self = bless cf::map::new, $pkg;
		1245	$self->{path} = $path; $self->path ($path);
		1246	$self->init; # pass $1 etc.
		1247	return $self;
		1248	}
		1249	}
		1250
		1251	Carp::carp "unable to resolve path '$path' (base '$base').";
		1252	()
		1253	}
		1254
		1255	sub init {
		1256	my ($self) = @_;
		1257
		1258	$self
		1259	}
		1260
		1261	sub as_string {
		1262	my ($self) = @_;
		1263
		1264	"$self->{path}"
		1265	}
		1266
		1267	# the displayed name, this is a one way mapping
		1268	sub visible_name {
		1269	&as_string
		1270	}
		1271
		1272	# the original (read-only) location
		1273	sub load_path {
		1274	my ($self) = @_;
		1275
		1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1277	}
		1278
		1279	# the temporary/swap location
		1280	sub save_path {
		1281	my ($self) = @_;
		1282
		1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1285	}
		1286
		1287	# the unique path, undef == no special unique path
		1288	sub uniq_path {
		1289	my ($self) = @_;
		1290
		1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1139	}	1293	}
1140		1294
1141	# and all this just because we cannot iterate over	1295	# and all this just because we cannot iterate over
1142	# all maps in C++...	1296	# all maps in C++...
1143	sub change_all_map_light {	1297	sub change_all_map_light {
…		…
1145		1299
1146	$_->change_map_light ($change)	1300	$_->change_map_light ($change)
1147	for grep $_->outdoor, values %cf::MAP;	1301	for grep $_->outdoor, values %cf::MAP;
1148	}	1302	}
1149		1303
		1304	sub unlink_save {
		1305	my ($self) = @_;
		1306
		1307	utf8::encode (my $save = $self->save_path);
		1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1310
		1311	#d#TODO remove .map and also nuke
		1312	$save =~ s/\.map// or return;#d#
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1315	}
		1316
1150	sub try_load_header($) {	1317	sub load_header_from($) {
1151	my ($path) = @_;	1318	my ($self, $path) = @_;
1152		1319
1153	utf8::encode $path;	1320	utf8::encode $path;
1154	aio_open $path, O_RDONLY, 0	1321	#aio_open $path, O_RDONLY, 0
		1322	# or return;
		1323
		1324	$self->_load_header ($path)
1155	or return;	1325	or return;
1156		1326
1157	my $map = cf::map::new	1327	$self->{load_path} = $path;
		1328
		1329	1
		1330	}
		1331
		1332	sub load_header_orig {
		1333	my ($self) = @_;
		1334
		1335	$self->load_header_from ($self->load_path)
		1336	}
		1337
		1338	sub load_header_temp {
		1339	my ($self) = @_;
		1340
		1341	$self->load_header_from ($self->save_path)
		1342	}
		1343
		1344	sub prepare_temp {
		1345	my ($self) = @_;
		1346
		1347	$self->last_access ((delete $self->{last_access})
		1348	|| $cf::RUNTIME); #d#
		1349	# safety
		1350	$self->{instantiate_time} = $cf::RUNTIME
		1351	if $self->{instantiate_time} > $cf::RUNTIME;
		1352	}
		1353
		1354	sub prepare_orig {
		1355	my ($self) = @_;
		1356
		1357	$self->{load_original} = 1;
		1358	$self->{instantiate_time} = $cf::RUNTIME;
		1359	$self->last_access ($cf::RUNTIME);
		1360	$self->instantiate;
		1361	}
		1362
		1363	sub load_header {
		1364	my ($self) = @_;
		1365
		1366	if ($self->load_header_temp) {
		1367	$self->prepare_temp;
		1368	} else {
		1369	$self->load_header_orig
1158	or return;	1370	or return;
		1371	$self->prepare_orig;
		1372	}
1159		1373
1160	# for better error messages only, will be overwritten	1374	1
1161	$map->path ($path);
1162
1163	$map->load_header ($path)
1164	or return;
1165
1166	$map->{load_path} = $path;
1167
1168	$map
1169	}	1375	}
1170		1376
1171	sub find;	1377	sub find;
1172	sub find {	1378	sub find {
1173	my ($path, $origin) = @_;	1379	my ($path, $origin) = @_;
1174		1380
1175	#warn "find<$path,$origin>\n";#d#
1176
1177	$path = new cf::path $path, $origin && $origin->path;	1381	$path = normalise $path, $origin && $origin->path;
1178	my $key = $path->as_string;
1179		1382
1180	cf::lock_wait "map_find:$key";	1383	cf::lock_wait "map_find:$path";
1181		1384
1182	$cf::MAP{$key} || do {	1385	$cf::MAP{$path} || do {
1183	my $guard = cf::lock_acquire "map_find:$key";	1386	my $guard = cf::lock_acquire "map_find:$path";
1184		1387	my $map = new_from_path cf::map $path
1185	# do it the slow way
1186	my $map = try_load_header $path->save_path;
1187
1188	Coro::cede;
1189
1190	if ($map) {
1191	$map->last_access ((delete $map->{last_access})
1192	|| $cf::RUNTIME); #d#
1193	# safety
1194	$map->{instantiate_time} = $cf::RUNTIME
1195	if $map->{instantiate_time} > $cf::RUNTIME;
1196	} else {
1197	if (my $rmp = $path->random_map_params) {
1198	$map = generate_random_map $key, $rmp;
1199	} else {
1200	$map = try_load_header $path->load_path;
1201	}
1202
1203	$map or return;	1388	or return;
1204		1389
1205	$map->{load_original} = 1;
1206	$map->{instantiate_time} = $cf::RUNTIME;
1207	$map->last_access ($cf::RUNTIME);
1208	$map->instantiate;
1209
1210	# per-player maps become, after loading, normal maps
1211	$map->per_player (0) if $path->{user_rel};
1212	}
1213
1214	$map->path ($key);
1215	$map->{path} = $path;
1216	$map->{last_save} = $cf::RUNTIME;	1390	$map->{last_save} = $cf::RUNTIME;
1217		1391
1218	Coro::cede;	1392	$map->load_header
		1393	or return;
1219		1394
1220	if ($map->should_reset) {	1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1396	# doing this can freeze the server in a sync job, obviously
		1397	#$cf::WAIT_FOR_TICK->wait;
1221	$map->reset;	1398	$map->reset;
1222	undef $guard;	1399	undef $guard;
1223	$map = find $path	1400	return find $path;
1224	or return;
1225	}	1401	}
1226		1402
1227	$cf::MAP{$key} = $map	1403	$cf::MAP{$path} = $map
1228	}	1404	}
1229	}	1405	}
		1406
		1407	sub pre_load { }
		1408	sub post_load { }
1230		1409
1231	sub load {	1410	sub load {
1232	my ($self) = @_;	1411	my ($self) = @_;
1233		1412
		1413	local $self->{deny_reset} = 1; # loading can take a long time
		1414
1234	my $path = $self->{path};	1415	my $path = $self->{path};
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1416	my $guard = cf::lock_acquire "map_load:$path";
1236		1417
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1418	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1419
1239	$self->in_memory (cf::MAP_LOADING);	1420	$self->in_memory (cf::MAP_LOADING);
1240		1421
1241	$self->alloc;	1422	$self->alloc;
		1423
		1424	$self->pre_load;
		1425
1242	$self->load_objects ($self->{load_path}, 1)	1426	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1427	or return;
1244		1428
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1430	if delete $self->{load_original};
1247		1431
1248	if (my $uniq = $path->uniq_path) {	1432	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1433	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1434	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1435	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1436	$self->_load_objects ($uniq, 0);
1253	}	1437	}
1254	}	1438	}
1255		1439
1256	Coro::cede;	1440	Coro::cede;
1257		1441
1258	# now do the right thing for maps	1442	# now do the right thing for maps
1259	$self->link_multipart_objects;	1443	$self->link_multipart_objects;
1260		1444
1261	if ($self->{path}->is_style_map) {	1445	unless ($self->{deny_activate}) {
1262	$self->{deny_save} = 1;	1446	$self->decay_objects;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;	1447	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;	1448	$self->update_buttons;
		1449	Coro::cede;
1268	$self->set_darkness_map;	1450	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1451	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1452	unless $self->difficulty;
		1453	Coro::cede;
1271	$self->activate;	1454	$self->activate;
1272	}	1455	}
1273		1456
1274	Coro::cede;	1457	$self->post_load;
1275		1458
1276	$self->in_memory (cf::MAP_IN_MEMORY);	1459	$self->in_memory (cf::MAP_IN_MEMORY);
		1460	}
		1461
		1462	sub customise_for {
		1463	my ($self, $ob) = @_;
		1464
		1465	return find "~" . $ob->name . "/" . $self->{path}
		1466	if $self->per_player;
		1467
		1468	$self
		1469	}
		1470
		1471	# find and load all maps in the 3x3 area around a map
		1472	sub load_diag {
		1473	my ($map) = @_;
		1474
		1475	my @diag; # diagonal neighbours
		1476
		1477	for (0 .. 3) {
		1478	my $neigh = $map->tile_path ($_)
		1479	or next;
		1480	$neigh = find $neigh, $map
		1481	or next;
		1482	$neigh->load;
		1483
		1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1486	}
		1487
		1488	for (@diag) {
		1489	my $neigh = find @$_
		1490	or next;
		1491	$neigh->load;
		1492	}
1277	}	1493	}
1278		1494
1279	sub find_sync {	1495	sub find_sync {
1280	my ($path, $origin) = @_;	1496	my ($path, $origin) = @_;
1281		1497
1282	cf::sync_job { cf::map::find $path, $origin }	1498	cf::sync_job { find $path, $origin }
1283	}	1499	}
1284		1500
1285	sub do_load_sync {	1501	sub do_load_sync {
1286	my ($map) = @_;	1502	my ($map) = @_;
1287		1503
1288	cf::sync_job { $map->load };	1504	cf::sync_job { $map->load };
1289	}	1505	}
1290		1506
		1507	our %MAP_PREFETCH;
		1508	our $MAP_PREFETCHER = undef;
		1509
		1510	sub find_async {
		1511	my ($path, $origin) = @_;
		1512
		1513	$path = normalise $path, $origin && $origin->{path};
		1514
		1515	if (my $map = $cf::MAP{$path}) {
		1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1517	}
		1518
		1519	undef $MAP_PREFETCH{$path};
		1520	$MAP_PREFETCHER ||= cf::async {
		1521	while (%MAP_PREFETCH) {
		1522	for my $path (keys %MAP_PREFETCH) {
		1523	my $map = find $path
		1524	or next;
		1525	$map->load;
		1526
		1527	delete $MAP_PREFETCH{$path};
		1528	}
		1529	}
		1530	undef $MAP_PREFETCHER;
		1531	};
		1532	$MAP_PREFETCHER->prio (6);
		1533
		1534	()
		1535	}
		1536
1291	sub save {	1537	sub save {
1292	my ($self) = @_;	1538	my ($self) = @_;
1293		1539
1294	my $lock = cf::lock_acquire "map_data:" . $self->path;	1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
1295		1541
1296	$self->{last_save} = $cf::RUNTIME;	1542	$self->{last_save} = $cf::RUNTIME;
1297		1543
1298	return unless $self->dirty;	1544	return unless $self->dirty;
1299		1545
1300	my $save = $self->{path}->save_path; utf8::encode $save;	1546	my $save = $self->save_path; utf8::encode $save;
1301	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1547	my $uniq = $self->uniq_path; utf8::encode $uniq;
1302		1548
1303	$self->{load_path} = $save;	1549	$self->{load_path} = $save;
1304		1550
1305	return if $self->{deny_save};	1551	return if $self->{deny_save};
1306		1552
1307	local $self->{last_access} = $self->last_access;#d#	1553	local $self->{last_access} = $self->last_access;#d#
1308		1554
		1555	cf::async {
		1556	$_->contr->save for $self->players;
		1557	};
		1558
1309	if ($uniq) {	1559	if ($uniq) {
1310	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1311	$self->save_objects ($uniq, cf::IO_UNIQUES);	1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1312	} else {	1562	} else {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1563	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1314	}	1564	}
1315	}	1565	}
1316		1566
1317	sub swap_out {	1567	sub swap_out {
1318	my ($self) = @_;	1568	my ($self) = @_;
…		…
1332		1582
1333	sub reset_at {	1583	sub reset_at {
1334	my ($self) = @_;	1584	my ($self) = @_;
1335		1585
1336	# TODO: safety, remove and allow resettable per-player maps	1586	# TODO: safety, remove and allow resettable per-player maps
1337	return 1e99 if $self->{path}{user_rel};	1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1338	return 1e99 if $self->{deny_reset};	1588	return 1e99 if $self->{deny_reset};
1339		1589
1340	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1341	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1342		1592
…		…
1347	my ($self) = @_;	1597	my ($self) = @_;
1348		1598
1349	$self->reset_at <= $cf::RUNTIME	1599	$self->reset_at <= $cf::RUNTIME
1350	}	1600	}
1351		1601
1352	sub unlink_save {
1353	my ($self) = @_;
1354
1355	utf8::encode (my $save = $self->{path}->save_path);
1356	aioreq_pri 3; IO::AIO::aio_unlink $save;
1357	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1358	}
1359
1360	sub rename {
1361	my ($self, $new_path) = @_;
1362
1363	$self->unlink_save;
1364
1365	delete $cf::MAP{$self->path};
1366	$self->{path} = new cf::path $new_path;
1367	$self->path ($self->{path}->as_string);
1368	$cf::MAP{$self->path} = $self;
1369
1370	$self->save;
1371	}
1372
1373	sub reset {	1602	sub reset {
1374	my ($self) = @_;	1603	my ($self) = @_;
1375		1604
1376	my $lock = cf::lock_acquire "map_data:" . $self->path;	1605	my $lock = cf::lock_acquire "map_data:$self->{path}";
1377		1606
1378	return if $self->players;	1607	return if $self->players;
1379	return if $self->{path}{user_rel};#d#	1608	return if $self->isa ("ext::map_per_player");#d#
1380		1609
1381	warn "resetting map ", $self->path;#d#	1610	warn "resetting map ", $self->path;#d#
1382		1611
		1612	$self->in_memory (cf::MAP_SWAPPED);
		1613
		1614	# need to save uniques path
		1615	unless ($self->{deny_save}) {
		1616	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1617
		1618	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1619	if $uniq;
		1620	}
		1621
1383	delete $cf::MAP{$self->path};	1622	delete $cf::MAP{$self->path};
		1623
		1624	$self->clear;
1384		1625
1385	$_->clear_links_to ($self) for values %cf::MAP;	1626	$_->clear_links_to ($self) for values %cf::MAP;
1386		1627
1387	$self->unlink_save;	1628	$self->unlink_save;
1388	$self->destroy;	1629	$self->destroy;
…		…
1391	my $nuke_counter = "aaaa";	1632	my $nuke_counter = "aaaa";
1392		1633
1393	sub nuke {	1634	sub nuke {
1394	my ($self) = @_;	1635	my ($self) = @_;
1395		1636
		1637	delete $cf::MAP{$self->path};
		1638
		1639	$self->unlink_save;
		1640
		1641	bless $self, "cf::map";
		1642	delete $self->{deny_reset};
1396	$self->{deny_save} = 1;	1643	$self->{deny_save} = 1;
1397	$self->reset_timeout (1);	1644	$self->reset_timeout (1);
1398	$self->rename ("{nuke}/" . ($nuke_counter++));	1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1646
		1647	$cf::MAP{$self->path} = $self;
		1648
1399	$self->reset; # polite request, might not happen	1649	$self->reset; # polite request, might not happen
1400	}	1650	}
1401		1651
1402	sub customise_for {	1652	=item cf::map::unique_maps
1403	my ($map, $ob) = @_;
1404		1653
1405	if ($map->per_player) {	1654	Returns an arrayref of paths of all shared maps that have
1406	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1655	instantiated unique items. May block.
1407	}
1408		1656
1409	$map	1657	=cut
1410	}
1411		1658
1412	sub emergency_save {	1659	sub unique_maps() {
1413	my $freeze_guard = cf::freeze_mainloop;	1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1661	or return;
1414		1662
1415	warn "enter emergency map save\n";	1663	my @paths;
1416		1664
1417	cf::sync_job {	1665	for (@$files) {
1418	warn "begin emergency map save\n";	1666	utf8::decode $_;
1419	$_->save for values %cf::MAP;	1667	next if /\.pst$/;
		1668	next unless /^$PATH_SEP/o;
		1669
		1670	push @paths, cf::map::normalise $_;
1420	};	1671	}
1421		1672
1422	warn "end emergency map save\n";	1673	\@paths
1423	}	1674	}
1424		1675
1425	package cf;	1676	package cf;
1426		1677
1427	=back	1678	=back
1428		1679
		1680	=head3 cf::object
		1681
		1682	=cut
		1683
		1684	package cf::object;
		1685
		1686	=over 4
		1687
		1688	=item $ob->inv_recursive
		1689
		1690	Returns the inventory of the object _and_ their inventories, recursively.
		1691
		1692	=cut
		1693
		1694	sub inv_recursive_;
		1695	sub inv_recursive_ {
		1696	map { $_, inv_recursive_ $_->inv } @_
		1697	}
		1698
		1699	sub inv_recursive {
		1700	inv_recursive_ inv $_[0]
		1701	}
		1702
		1703	package cf;
		1704
		1705	=back
1429		1706
1430	=head3 cf::object::player	1707	=head3 cf::object::player
1431		1708
1432	=over 4	1709	=over 4
1433		1710
…		…
1473		1750
1474	=item $player_object->enter_link	1751	=item $player_object->enter_link
1475		1752
1476	Freezes the player and moves him/her to a special map (C<{link}>).	1753	Freezes the player and moves him/her to a special map (C<{link}>).
1477		1754
1478	The player should be reaosnably safe there for short amounts of time. You	1755	The player should be reasonably safe there for short amounts of time. You
1479	I<MUST> call C<leave_link> as soon as possible, though.	1756	I<MUST> call C<leave_link> as soon as possible, though.
1480		1757
		1758	Will never block.
		1759
1481	=item $player_object->leave_link ($map, $x, $y)	1760	=item $player_object->leave_link ($map, $x, $y)
1482		1761
1483	Moves the player out of the specila link map onto the given map. If the	1762	Moves the player out of the special C<{link}> map onto the specified
1484	map is not valid (or omitted), the player will be moved back to the	1763	map. If the map is not valid (or omitted), the player will be moved back
1485	location he/she was before the call to C<enter_link>, or, if that fails,	1764	to the location he/she was before the call to C<enter_link>, or, if that
1486	to the emergency map position.	1765	fails, to the emergency map position.
1487		1766
1488	Might block.	1767	Might block.
1489		1768
1490	=cut	1769	=cut
		1770
		1771	sub link_map {
		1772	unless ($LINK_MAP) {
		1773	$LINK_MAP = cf::map::find "{link}"
		1774	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1775	$LINK_MAP->load;
		1776	}
		1777
		1778	$LINK_MAP
		1779	}
1491		1780
1492	sub cf::object::player::enter_link {	1781	sub cf::object::player::enter_link {
1493	my ($self) = @_;	1782	my ($self) = @_;
1494		1783
1495	$self->deactivate_recursive;	1784	$self->deactivate_recursive;
1496		1785
1497	return if $self->map == $LINK_MAP;	1786	return if UNIVERSAL::isa $self->map, "ext::map_link";
1498		1787
1499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1500	if $self->map;	1789	if $self->map;
1501		1790
1502	$self->enter_map ($LINK_MAP, 20, 20);	1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1503	}	1792	}
1504		1793
1505	sub cf::object::player::leave_link {	1794	sub cf::object::player::leave_link {
1506	my ($self, $map, $x, $y) = @_;	1795	my ($self, $map, $x, $y) = @_;
1507		1796
…		…
1525	# use -1 or undef as default coordinates, not 0, 0	1814	# use -1 or undef as default coordinates, not 0, 0
1526	($x, $y) = ($map->enter_x, $map->enter_y)	1815	($x, $y) = ($map->enter_x, $map->enter_y)
1527	if $x <=0 && $y <= 0;	1816	if $x <=0 && $y <= 0;
1528		1817
1529	$map->load;	1818	$map->load;
		1819	$map->load_diag;
1530		1820
		1821	return unless $self->contr->active;
1531	$self->activate_recursive;	1822	$self->activate_recursive;
1532	$self->enter_map ($map, $x, $y);	1823	$self->enter_map ($map, $x, $y);
1533	}	1824	}
1534		1825
1535	cf::player->attach (	1826	cf::player->attach (
…		…
1547	my ($pl) = @_;	1838	my ($pl) = @_;
1548		1839
1549	# try to abort aborted map switching on player login :)	1840	# try to abort aborted map switching on player login :)
1550	# should happen only on crashes	1841	# should happen only on crashes
1551	if ($pl->ob->{_link_pos}) {	1842	if ($pl->ob->{_link_pos}) {
1552
1553	$pl->ob->enter_link;	1843	$pl->ob->enter_link;
1554	(async {	1844	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running	1845	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn	1846	# and this sleep increases chances of the player not ending up in scorn
1557	$pl->ob->reply (undef,	1847	$pl->ob->reply (undef,
…		…
1573	my ($self, $path, $x, $y) = @_;	1863	my ($self, $path, $x, $y) = @_;
1574		1864
1575	$self->enter_link;	1865	$self->enter_link;
1576		1866
1577	(async {	1867	(async {
1578	$path = new cf::path $path;	1868	my $map = eval {
1579
1580	my $map = cf::map::find $path->as_string;	1869	my $map = cf::map::find $path;
1581	$map = $map->customise_for ($self) if $map;	1870	$map = $map->customise_for ($self) if $map;
1582		1871	$map
1583	# warn "entering ", $map->path, " at ($x, $y)\n"	1872	} or
1584	# if $map;
1585
1586	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1873	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1587		1874
1588	$self->leave_link ($map, $x, $y);	1875	$self->leave_link ($map, $x, $y);
1589	})->prio (1);	1876	})->prio (1);
1590	}	1877	}
1591		1878
…		…
1595		1882
1596	sub parse_random_map_params {	1883	sub parse_random_map_params {
1597	my ($spec) = @_;	1884	my ($spec) = @_;
1598		1885
1599	my $rmp = { # defaults	1886	my $rmp = { # defaults
1600	xsize => 10,	1887	xsize => (cf::rndm 15, 40),
1601	ysize => 10,	1888	ysize => (cf::rndm 15, 40),
		1889	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1890	#layout => string,
1602	};	1891	};
1603		1892
1604	for (split /\n/, $spec) {	1893	for (split /\n/, $spec) {
1605	my ($k, $v) = split /\s+/, $_, 2;	1894	my ($k, $v) = split /\s+/, $_, 2;
1606		1895
…		…
1610	$rmp	1899	$rmp
1611	}	1900	}
1612		1901
1613	sub prepare_random_map {	1902	sub prepare_random_map {
1614	my ($exit) = @_;	1903	my ($exit) = @_;
		1904
		1905	my $guard = cf::lock_acquire "exit_prepare:$exit";
1615		1906
1616	# all this does is basically replace the /! path by	1907	# all this does is basically replace the /! path by
1617	# a new random map path (?random/...) with a seed	1908	# a new random map path (?random/...) with a seed
1618	# that depends on the exit object	1909	# that depends on the exit object
1619		1910
1620	my $rmp = parse_random_map_params $exit->msg;	1911	my $rmp = parse_random_map_params $exit->msg;
1621		1912
1622	if ($exit->map) {	1913	if ($exit->map) {
1623	$rmp->{region} = $exit->map->region_name;	1914	$rmp->{region} = $exit->region->name;
1624	$rmp->{origin_map} = $exit->map->path;	1915	$rmp->{origin_map} = $exit->map->path;
1625	$rmp->{origin_x} = $exit->x;	1916	$rmp->{origin_x} = $exit->x;
1626	$rmp->{origin_y} = $exit->y;	1917	$rmp->{origin_y} = $exit->y;
1627	}	1918	}
1628		1919
1629	$rmp->{random_seed} ||= $exit->random_seed;	1920	$rmp->{random_seed} ||= $exit->random_seed;
1630		1921
1631	my $data = cf::to_json $rmp;	1922	my $data = cf::to_json $rmp;
1632	my $md5 = Digest::MD5::md5_hex $data;	1923	my $md5 = Digest::MD5::md5_hex $data;
		1924	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1633		1925
1634	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1635	aio_write $fh, 0, (length $data), $data, 0;	1927	aio_write $fh, 0, (length $data), $data, 0;
		1928	undef $fh;
		1929	aio_rename "$meta~", $meta;
1636		1930
1637	$exit->slaying ("?random/$md5");	1931	$exit->slaying ("?random/$md5");
1638	$exit->msg (undef);	1932	$exit->msg (undef);
1639	}	1933	}
1640	}	1934	}
1641		1935
1642	sub cf::object::player::enter_exit {	1936	sub cf::object::player::enter_exit {
1643	my ($self, $exit) = @_;	1937	my ($self, $exit) = @_;
1644		1938
1645	return unless $self->type == cf::PLAYER;	1939	return unless $self->type == cf::PLAYER;
		1940
		1941	if ($exit->slaying eq "/!") {
		1942	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1943	cf::sync_job { prepare_random_map $exit };
		1944	}
		1945
		1946	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1947	my $hp = $exit->stats->hp;
		1948	my $sp = $exit->stats->sp;
1646		1949
1647	$self->enter_link;	1950	$self->enter_link;
1648		1951
1649	(async {	1952	(async {
1650	$self->deactivate_recursive; # just to be sure	1953	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	1954	unless (eval {
1652	prepare_random_map $exit	1955	$self->goto ($slaying, $hp, $sp);
1653	if $exit->slaying eq "/!";
1654
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1657		1956
1658	1;	1957	1;
1659	}) {	1958	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	1959	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "I'll try to bring you back to the map you were before. "	1960	. "I'll try to bring you back to the map you were before. "
1662	. "Please report this to the dungeon master",	1961	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	1962	cf::NDI_UNIQUE | cf::NDI_RED);
1664		1963
1665	warn "ERROR in enter_exit: $@";	1964	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	1965	$self->leave_link;
1667	}	1966	}
…		…
1722	# get handled first	2021	# get handled first
1723	my $queue = delete $ns->{query_queue}	2022	my $queue = delete $ns->{query_queue}
1724	or return; # be conservative, not sure how that can happen, but we saw a crash here	2023	or return; # be conservative, not sure how that can happen, but we saw a crash here
1725		2024
1726	(shift @$queue)->[1]->($msg);	2025	(shift @$queue)->[1]->($msg);
		2026	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727		2027
1728	push @{ $ns->{query_queue} }, @$queue;	2028	push @{ $ns->{query_queue} }, @$queue;
1729		2029
1730	if (@{ $ns->{query_queue} } == @$queue) {	2030	if (@{ $ns->{query_queue} } == @$queue) {
1731	if (@$queue) {	2031	if (@$queue) {
…		…
1892	The parameter C<$family> should best start with the name of the extension	2192	The parameter C<$family> should best start with the name of the extension
1893	using it, it should be unique.	2193	using it, it should be unique.
1894		2194
1895	=over 4	2195	=over 4
1896		2196
1897	=item $hashref = cf::db_get $family
1898
1899	Return a hashref for use by the extension C<$family>, which can be
1900	modified. After modifications, you have to call C<cf::db_dirty> or
1901	C<cf::db_sync>.
1902
1903	=item $value = cf::db_get $family => $key	2197	=item $value = cf::db_get $family => $key
1904		2198
1905	Returns a single value from the database	2199	Returns a single value from the database.
1906
1907	=item cf::db_put $family => $hashref
1908
1909	Stores the given family hashref into the database. Updates are delayed, if
1910	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1911		2200
1912	=item cf::db_put $family => $key => $value	2201	=item cf::db_put $family => $key => $value
1913		2202
1914	Stores the given C<$value> in the family hash. Updates are delayed, if you	2203	Stores the given C<$value> in the family.
1915	want the data to be synced to disk immediately, use C<cf::db_sync>.
1916
1917	=item cf::db_dirty
1918
1919	Marks the database as dirty, to be updated at a later time.
1920
1921	=item cf::db_sync
1922
1923	Immediately write the database to disk I<if it is dirty>.
1924		2204
1925	=cut	2205	=cut
1926		2206
1927	our $DB;	2207	our $DB;
1928		2208
1929	{	2209	sub db_init {
		2210	unless ($DB) {
		2211	$DB = BDB::db_create $DB_ENV;
		2212
		2213	cf::sync_job {
		2214	eval {
		2215	$DB->set_flags (BDB::CHKSUM);
		2216
		2217	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2218	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2219	cf::cleanup "db_open(db): $!" if $!;
		2220	};
		2221	cf::cleanup "db_open(db): $@" if $@;
		2222	};
		2223
1930	my $path = cf::localdir . "/database.pst";	2224	my $path = cf::localdir . "/database.pst";
		2225	if (stat $path) {
		2226	cf::sync_job {
		2227	my $pst = Storable::retrieve $path;
1931		2228
1932	sub db_load() {	2229	cf::db_put (board => data => $pst->{board});
1933	$DB = stat $path ? Storable::retrieve $path : { };	2230	cf::db_put (guildrules => data => $pst->{guildrules});
1934	}	2231	cf::db_put (rent => balance => $pst->{rent}{balance});
		2232	BDB::db_env_txn_checkpoint $DB_ENV;
1935		2233
1936	my $pid;	2234	unlink $path;
1937
1938	sub db_save() {
1939	waitpid $pid, 0 if $pid;
1940	if (0 == ($pid = fork)) {
1941	$DB->{_meta}{version} = 1;
1942	Storable::nstore $DB, "$path~";
1943	rename "$path~", $path;
1944	cf::_exit 0 if defined $pid;
1945	}	2235	};
1946	}
1947
1948	my $dirty;
1949
1950	sub db_sync() {
1951	db_save if $dirty;
1952	undef $dirty;
1953	}
1954
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1956	db_sync;
1957	});
1958
1959	sub db_dirty() {
1960	$dirty = 1;
1961	$idle->start;
1962	}
1963
1964	sub db_get($;$) {
1965	@_ >= 2
1966	? $DB->{$_[0]}{$_[1]}
1967	: ($DB->{$_[0]} ||= { })
1968	}
1969
1970	sub db_put($$;$) {
1971	if (@_ >= 3) {
1972	$DB->{$_[0]}{$_[1]} = $_[2];
1973	} else {
1974	$DB->{$_[0]} = $_[1];
1975	}
1976	db_dirty;
1977	}
1978
1979	cf::global->attach (
1980	prio => 10000,
1981	on_cleanup => sub {
1982	db_sync;
1983	},	2236	}
1984	);	2237	}
		2238	}
		2239
		2240	sub db_get($$) {
		2241	my $key = "$_[0]/$_[1]";
		2242
		2243	cf::sync_job {
		2244	BDB::db_get $DB, undef, $key, my $data;
		2245
		2246	$! ? ()
		2247	: Compress::LZF::sthaw $data
		2248	}
		2249	}
		2250
		2251	sub db_put($$$) {
		2252	BDB::dbreq_pri 4;
		2253	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1985	}	2254	}
1986		2255
1987	#############################################################################	2256	#############################################################################
1988	# the server's main()	2257	# the server's init and main functions
		2258
		2259	sub load_resources {
		2260	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2261	or die "unable to load regions file\n";#d#
		2262	}
1989		2263
1990	sub cfg_load {	2264	sub cfg_load {
1991	open my $fh, "<:utf8", cf::confdir . "/config"	2265	open my $fh, "<:utf8", cf::confdir . "/config"
1992	or return;	2266	or return;
1993		2267
…		…
1999	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2273	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2000	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2274	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2001		2275
2002	if (exists $CFG{mlockall}) {	2276	if (exists $CFG{mlockall}) {
2003	eval {	2277	eval {
2004	$CFG{mlockall} ? &mlockall : &munlockall	2278	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2005	and die "WARNING: m(un)lockall failed: $!\n";	2279	and die "WARNING: m(un)lockall failed: $!\n";
2006	};	2280	};
2007	warn $@ if $@;	2281	warn $@ if $@;
2008	}	2282	}
		2283	}
		2284
		2285	sub init {
		2286	load_resources;
2009	}	2287	}
2010		2288
2011	sub main {	2289	sub main {
2012	# we must not ever block the main coroutine	2290	# we must not ever block the main coroutine
2013	local $Coro::idle = sub {	2291	local $Coro::idle = sub {
2014	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2292	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2293	(async {
2015	async { Event::one_event };	2294	Event::one_event;
		2295	})->prio (Coro::PRIO_MAX);
2016	};	2296	};
2017		2297
2018	cfg_load;	2298	cfg_load;
2019	db_load;	2299	db_init;
2020	load_extensions;	2300	load_extensions;
		2301
		2302	$TICK_WATCHER->start;
2021	Event::loop;	2303	Event::loop;
2022	}	2304	}
2023		2305
2024	#############################################################################	2306	#############################################################################
2025	# initialisation	2307	# initialisation and cleanup
		2308
		2309	# install some emergency cleanup handlers
		2310	BEGIN {
		2311	for my $signal (qw(INT HUP TERM)) {
		2312	Event->signal (
		2313	reentrant => 0,
		2314	data => WF_AUTOCANCEL,
		2315	signal => $signal,
		2316	prio => 0,
		2317	cb => sub {
		2318	cf::cleanup "SIG$signal";
		2319	},
		2320	);
		2321	}
		2322	}
		2323
		2324	sub emergency_save() {
		2325	my $freeze_guard = cf::freeze_mainloop;
		2326
		2327	warn "enter emergency perl save\n";
		2328
		2329	cf::sync_job {
		2330	# use a peculiar iteration method to avoid tripping on perl
		2331	# refcount bugs in for. also avoids problems with players
		2332	# and maps saved/destroyed asynchronously.
		2333	warn "begin emergency player save\n";
		2334	for my $login (keys %cf::PLAYER) {
		2335	my $pl = $cf::PLAYER{$login} or next;
		2336	$pl->valid or next;
		2337	$pl->save;
		2338	}
		2339	warn "end emergency player save\n";
		2340
		2341	warn "begin emergency map save\n";
		2342	for my $path (keys %cf::MAP) {
		2343	my $map = $cf::MAP{$path} or next;
		2344	$map->valid or next;
		2345	$map->save;
		2346	}
		2347	warn "end emergency map save\n";
		2348
		2349	warn "begin emergency database checkpoint\n";
		2350	BDB::db_env_txn_checkpoint $DB_ENV;
		2351	warn "end emergency database checkpoint\n";
		2352	};
		2353
		2354	warn "leave emergency perl save\n";
		2355	}
		2356
		2357	sub post_cleanup {
		2358	my ($make_core) = @_;
		2359
		2360	warn Carp::longmess "post_cleanup backtrace"
		2361	if $make_core;
		2362	}
2026		2363
2027	sub reload() {	2364	sub reload() {
2028	# can/must only be called in main	2365	# can/must only be called in main
2029	if ($Coro::current != $Coro::main) {	2366	if ($Coro::current != $Coro::main) {
2030	warn "can only reload from main coroutine\n";	2367	warn "can only reload from main coroutine";
2031	return;	2368	return;
2032	}	2369	}
2033		2370
2034	warn "reloading...";	2371	warn "reloading...";
2035		2372
2036	my $guard = freeze_mainloop;	2373	warn "entering sync_job";
		2374
		2375	cf::sync_job {
		2376	cf::write_runtime; # external watchdog should not bark
2037	cf::emergency_save;	2377	cf::emergency_save;
		2378	cf::write_runtime; # external watchdog should not bark
2038		2379
2039	eval {	2380	warn "syncing database to disk";
		2381	BDB::db_env_txn_checkpoint $DB_ENV;
		2382
2040	# 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
2041		2384
2042	# cancel all watchers	2385	warn "cancelling all WF_AUTOCANCEL watchers";
2043	for (Event::all_watchers) {	2386	for (Event::all_watchers) {
2044	$_->cancel if $_->data & WF_AUTOCANCEL;	2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2045	}	2388	}
2046		2389
		2390	warn "flushing outstanding aio requests";
		2391	for (;;) {
		2392	BDB::flush;
		2393	IO::AIO::flush;
		2394	Coro::cede;
		2395	last unless IO::AIO::nreqs || BDB::nreqs;
		2396	warn "iterate...";
		2397	}
		2398
2047	# cancel all extension coros	2399	warn "cancelling all extension coros";
2048	$_->cancel for values %EXT_CORO;	2400	$_->cancel for values %EXT_CORO;
2049	%EXT_CORO = ();	2401	%EXT_CORO = ();
2050		2402
2051	# unload all extensions	2403	warn "removing commands";
2052	for (@exts) {	2404	%COMMAND = ();
		2405
		2406	warn "removing ext commands";
		2407	%EXTCMD = ();
		2408
		2409	warn "unloading/nuking all extensions";
		2410	for my $pkg (@EXTS) {
2053	warn "unloading <$_>";	2411	warn "... unloading $pkg";
2054	unload_extension $_;	2412
		2413	if (my $cb = $pkg->can ("unload")) {
		2414	eval {
		2415	$cb->($pkg);
		2416	1
		2417	} or warn "$pkg unloaded, but with errors: $@";
2055	}	2418	}
2056		2419
		2420	warn "... nuking $pkg";
		2421	Symbol::delete_package $pkg;
		2422	}
		2423
2057	# unload all modules loaded from $LIBDIR	2424	warn "unloading all perl modules loaded from $LIBDIR";
2058	while (my ($k, $v) = each %INC) {	2425	while (my ($k, $v) = each %INC) {
2059	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2426	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2060		2427
2061	warn "removing <$k>";	2428	warn "... unloading $k";
2062	delete $INC{$k};	2429	delete $INC{$k};
2063		2430
2064	$k =~ s/\.pm$//;	2431	$k =~ s/\.pm$//;
2065	$k =~ s/\//::/g;	2432	$k =~ s/\//::/g;
2066		2433
…		…
2069	}	2436	}
2070		2437
2071	Symbol::delete_package $k;	2438	Symbol::delete_package $k;
2072	}	2439	}
2073		2440
2074	# sync database to disk
2075	cf::db_sync;
2076	IO::AIO::flush;
2077
2078	# get rid of safe::, as good as possible	2441	warn "getting rid of safe::, as good as possible";
2079	Symbol::delete_package "safe::$_"	2442	Symbol::delete_package "safe::$_"
2080	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2443	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2081		2444
2082	# remove register_script_function callbacks
2083	# TODO
2084
2085	# unload cf.pm "a bit"	2445	warn "unloading cf.pm \"a bit\"";
2086	delete $INC{"cf.pm"};	2446	delete $INC{"cf.pm"};
2087		2447
2088	# don't, removes xs symbols, too,	2448	# don't, removes xs symbols, too,
2089	# and global variables created in xs	2449	# and global variables created in xs
2090	#Symbol::delete_package __PACKAGE__;	2450	#Symbol::delete_package __PACKAGE__;
2091		2451
2092	# reload cf.pm	2452	warn "unload completed, starting to reload now";
		2453
2093	warn "reloading cf.pm";	2454	warn "reloading cf.pm";
2094	require cf;	2455	require cf;
2095	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2456	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2096		2457
2097	# load config and database again	2458	warn "loading config and database again";
2098	cf::cfg_load;	2459	cf::cfg_load;
2099	cf::db_load;
2100		2460
2101	# load extensions
2102	warn "load extensions";	2461	warn "loading extensions";
2103	cf::load_extensions;	2462	cf::load_extensions;
2104		2463
2105	# reattach attachments to objects	2464	warn "reattaching attachments to objects/players";
2106	warn "reattach";
2107	_global_reattach;	2465	_global_reattach;
2108	};	2466	warn "reattaching attachments to maps";
		2467	reattach $_ for values %MAP;
2109		2468
2110	if ($@) {	2469	warn "loading reloadable resources";
		2470	load_resources;
		2471
		2472	warn "leaving sync_job";
		2473
		2474	1
		2475	} or do {
2111	warn $@;	2476	warn $@;
2112	warn "error while reloading, exiting.";	2477	warn "error while reloading, exiting.";
2113	exit 1;	2478	exit 1;
2114	}	2479	};
2115		2480
2116	warn "reloaded successfully";	2481	warn "reloaded";
2117	};	2482	};
2118		2483
2119	#############################################################################	2484	our $RELOAD_WATCHER; # used only during reload
2120
2121	unless ($LINK_MAP) {
2122	$LINK_MAP = cf::map::new;
2123
2124	$LINK_MAP->width (41);
2125	$LINK_MAP->height (41);
2126	$LINK_MAP->alloc;
2127	$LINK_MAP->path ("{link}");
2128	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2129	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2130
2131	# dirty hack because... archetypes are not yet loaded
2132	Event->timer (
2133	after => 2,
2134	cb => sub {
2135	$_[0]->w->cancel;
2136
2137	# provide some exits "home"
2138	my $exit = cf::object::new "exit";
2139
2140	$exit->slaying ($EMERGENCY_POSITION->[0]);
2141	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2142	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2143
2144	$LINK_MAP->insert ($exit->clone, 19, 19);
2145	$LINK_MAP->insert ($exit->clone, 19, 20);
2146	$LINK_MAP->insert ($exit->clone, 19, 21);
2147	$LINK_MAP->insert ($exit->clone, 20, 19);
2148	$LINK_MAP->insert ($exit->clone, 20, 21);
2149	$LINK_MAP->insert ($exit->clone, 21, 19);
2150	$LINK_MAP->insert ($exit->clone, 21, 20);
2151	$LINK_MAP->insert ($exit->clone, 21, 21);
2152
2153	$exit->destroy;
2154	});
2155
2156	$LINK_MAP->{deny_save} = 1;
2157	$LINK_MAP->{deny_reset} = 1;
2158
2159	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2160	}
2161
2162	register "<global>", __PACKAGE__;
2163		2485
2164	register_command "reload" => sub {	2486	register_command "reload" => sub {
2165	my ($who, $arg) = @_;	2487	my ($who, $arg) = @_;
2166		2488
2167	if ($who->flag (FLAG_WIZ)) {	2489	if ($who->flag (FLAG_WIZ)) {
2168	$who->message ("start of reload.");	2490	$who->message ("reloading server.");
		2491
		2492	# doing reload synchronously and two reloads happen back-to-back,
		2493	# coro crashes during coro_state_free->destroy here.
		2494
		2495	$RELOAD_WATCHER ||= Event->timer (
		2496	reentrant => 0,
		2497	after => 0,
		2498	data => WF_AUTOCANCEL,
		2499	cb => sub {
2169	reload;	2500	reload;
2170	$who->message ("end of reload.");	2501	undef $RELOAD_WATCHER;
		2502	},
		2503	);
2171	}	2504	}
2172	};	2505	};
2173		2506
2174	unshift @INC, $LIBDIR;	2507	unshift @INC, $LIBDIR;
		2508
		2509	my $bug_warning = 0;
2175		2510
2176	$TICK_WATCHER = Event->timer (	2511	$TICK_WATCHER = Event->timer (
2177	reentrant => 0,	2512	reentrant => 0,
		2513	parked => 1,
2178	prio => 0,	2514	prio => 0,
2179	at => $NEXT_TICK || $TICK,	2515	at => $NEXT_TICK || $TICK,
2180	data => WF_AUTOCANCEL,	2516	data => WF_AUTOCANCEL,
2181	cb => sub {	2517	cb => sub {
		2518	if ($Coro::current != $Coro::main) {
		2519	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2520	unless ++$bug_warning > 10;
		2521	return;
		2522	}
		2523
		2524	$NOW = Event::time;
		2525
2182	cf::server_tick; # one server iteration	2526	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2527	$RUNTIME += $TICK;
2184	$NEXT_TICK += $TICK;	2528	$NEXT_TICK += $TICK;
		2529
		2530	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2531	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2532	Coro::async_pool {
		2533	write_runtime
		2534	or warn "ERROR: unable to write runtime file: $!";
		2535	};
		2536	}
		2537
		2538
		2539	$WAIT_FOR_TICK->broadcast;
		2540	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2541
		2542	# my $AFTER = Event::time;
		2543	# warn $AFTER - $NOW;#d#
2185		2544
2186	# if we are delayed by four ticks or more, skip them all	2545	# if we are delayed by four ticks or more, skip them all
2187	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2546	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2188		2547
2189	$TICK_WATCHER->at ($NEXT_TICK);	2548	$TICK_WATCHER->at ($NEXT_TICK);
2190	$TICK_WATCHER->start;	2549	$TICK_WATCHER->start;
2191	},	2550	},
2192	);	2551	);
2193		2552
		2553	{
2194	IO::AIO::max_poll_time $TICK * 0.2;	2554	BDB::max_poll_time $TICK * 0.1;
2195		2555	$BDB_POLL_WATCHER = Event->io (
2196	Event->io (	2556	reentrant => 0,
2197	fd => IO::AIO::poll_fileno,	2557	fd => BDB::poll_fileno,
2198	poll => 'r',	2558	poll => 'r',
2199	prio => 5,	2559	prio => 0,
2200	data => WF_AUTOCANCEL,
2201	cb => \&IO::AIO::poll_cb,
2202	);
2203
2204	Event->timer (
2205	data => WF_AUTOCANCEL,	2560	data => WF_AUTOCANCEL,
2206	after => 0,	2561	cb => \&BDB::poll_cb,
2207	interval => 10,	2562	);
2208	cb => sub {	2563	BDB::min_parallel 8;
2209	(Coro::unblock_sub {	2564
2210	write_runtime	2565	BDB::set_sync_prepare {
2211	or warn "ERROR: unable to write runtime file: $!";	2566	my $status;
		2567	my $current = $Coro::current;
		2568	(
		2569	sub {
		2570	$status = $!;
		2571	$current->ready; undef $current;
		2572	},
		2573	sub {
		2574	Coro::schedule while defined $current;
		2575	$! = $status;
		2576	},
		2577	)
		2578	};
		2579
		2580	unless ($DB_ENV) {
		2581	$DB_ENV = BDB::db_env_create;
		2582
		2583	cf::sync_job {
		2584	eval {
		2585	BDB::db_env_open
		2586	$DB_ENV,
		2587	$BDB_ENV_DIR,
		2588	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2589	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2590	0666;
		2591
		2592	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2593
		2594	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2595	$DB_ENV->set_lk_detect;
		2596	};
		2597
		2598	cf::cleanup "db_env_open(db): $@" if $@;
2212	})->();	2599	};
2213	},	2600	}
2214	);	2601	}
		2602
		2603	{
		2604	IO::AIO::min_parallel 8;
		2605
		2606	undef $Coro::AIO::WATCHER;
		2607	IO::AIO::max_poll_time $TICK * 0.1;
		2608	$AIO_POLL_WATCHER = Event->io (
		2609	reentrant => 0,
		2610	data => WF_AUTOCANCEL,
		2611	fd => IO::AIO::poll_fileno,
		2612	poll => 'r',
		2613	prio => 6,
		2614	cb => \&IO::AIO::poll_cb,
		2615	);
		2616	}
2215		2617
2216	END { cf::emergency_save }	2618	END { cf::emergency_save }
2217		2619
2218	1	2620	1
2219		2621

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