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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.143 by root, Sun Jan 7 02:39:14 2007 UTC vs.
Revision 1.207 by root, Sun Feb 11 22:42:09 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;
25		27
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	28	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		29
		30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		31
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	33	$YAML::Syck::ImplicitUnicode = 1;
30		34
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		36
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	37	our %COMMAND = ();
36	our %COMMAND_TIME = ();	38	our %COMMAND_TIME = ();
		39
		40	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	41	our %EXTCMD = ();
		42	our %EXT_CORO = (); # coroutines bound to extensions
		43	our %EXT_MAP = (); # pluggable maps
38		44
39	our @EVENT;	45	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	46	our $LIBDIR = datadir . "/ext";
41		47
42	our $TICK = MAX_TIME * 1e-6;	48	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	49	our $TICK_WATCHER;
		50	our $AIO_POLL_WATCHER;
		51	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	52	our $NEXT_TICK;
45	our $NOW;	53	our $NOW;
		54	our $USE_FSYNC = 1; # use fsync to write maps - default off
		55
		56	our $BDB_POLL_WATCHER;
		57	our $DB_ENV;
46		58
47	our %CFG;	59	our %CFG;
48		60
49	our $UPTIME; $UPTIME ||= time;	61	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	62	our $RUNTIME;
51		63
52	our %PLAYER; # all users	64	our %PLAYER; # all users
53	our %MAP; # all maps	65	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	66	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	67	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO; # coroutines bound to extensions	68	our $BDB_ENV_DIR = cf::localdir . "/db";
		69
		70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		72
		73	# used to convert map paths into valid unix filenames by replacing / by ∕
		74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		75
58	binmode STDOUT;	76	binmode STDOUT;
59	binmode STDERR;	77	binmode STDERR;
60		78
61	# read virtual server time, if available	79	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	86	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	87	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	88	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	89	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	90	mkdir $RANDOM_MAPS;
		91	mkdir $BDB_ENV_DIR;
73		92
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	93	our $EMERGENCY_POSITION;
		94
		95	sub cf::map::normalise;
77		96
78	#############################################################################	97	#############################################################################
79		98
80	=head2 GLOBAL VARIABLES	99	=head2 GLOBAL VARIABLES
81		100
…		…
105		124
106	=item %cf::CFG	125	=item %cf::CFG
107		126
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	127	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	128	from wherever your confdir points to.
		129
		130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		131
		132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		134	processing has been done. Call C<< ->wait >> on them to maximise the
		135	window of cpu time available, or simply to synchronise to the server tick.
110		136
111	=back	137	=back
112		138
113	=cut	139	=cut
114		140
…		…
118	utf8::encode $msg;	144	utf8::encode $msg;
119		145
120	$msg .= "\n"	146	$msg .= "\n"
121	unless $msg =~ /\n$/;	147	unless $msg =~ /\n$/;
122		148
123	LOG llevError, "cfperl: $msg";	149	LOG llevError, $msg;
124	};	150	};
125	}	151	}
126		152
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		172
147	$Event::DIED = sub {	173	$Event::DIED = sub {
148	warn "error in event callback: @_";	174	warn "error in event callback: @_";
149	};	175	};
150		176
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	177	=head2 UTILITY FUNCTIONS
156		178
157	=over 4	179	=over 4
158		180
		181	=item dumpval $ref
		182
159	=cut	183	=cut
		184
		185	sub dumpval {
		186	eval {
		187	local $SIG{__DIE__};
		188	my $d;
		189	if (1) {
		190	$d = new Data::Dumper([$_[0]], ["*var"]);
		191	$d->Terse(1);
		192	$d->Indent(2);
		193	$d->Quotekeys(0);
		194	$d->Useqq(1);
		195	#$d->Bless(...);
		196	$d->Seen($_[1]) if @_ > 1;
		197	$d = $d->Dump();
		198	}
		199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		200	$d
		201	} || "[unable to dump $_[0]: '$@']";
		202	}
160		203
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	204	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		205
163	=item $ref = cf::from_json $json	206	=item $ref = cf::from_json $json
164		207
…		…
225	}	268	}
226		269
227	sub freeze_mainloop {	270	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	271	return unless $TICK_WATCHER->is_active;
229		272
230	my $guard = Coro::guard { $TICK_WATCHER->start };	273	my $guard = Coro::guard {
		274	$TICK_WATCHER->start;
		275	$WRITE_RUNTIME_WATCHER->start;
		276	};
		277	$WRITE_RUNTIME_WATCHER->stop;
231	$TICK_WATCHER->stop;	278	$TICK_WATCHER->stop;
232	$guard	279	$guard
233	}	280	}
234		281
235	=item cf::async { BLOCK }	282	=item cf::async { BLOCK }
…		…
287	}	334	}
288	}	335	}
289		336
290	=item $coro = cf::async_ext { BLOCK }	337	=item $coro = cf::async_ext { BLOCK }
291		338
292	Like async, but this coro is automcatially being canceled when the	339	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	340	extension calling this is being unloaded.
294		341
295	=cut	342	=cut
296		343
297	sub async_ext(&) {	344	sub async_ext(&) {
…		…
311	my $runtime = cf::localdir . "/runtime";	358	my $runtime = cf::localdir . "/runtime";
312		359
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	361	or return;
315		362
		363	my $value = $cf::RUNTIME + 90 + 10;
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	364	# 10 is the runtime save interval, for a monotonic clock
		365	# 60 allows for the watchdog to kill the server.
		366
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	368	and return;
319		369
		370	# always fsync - this file is important
320	aio_fsync $fh	371	aio_fsync $fh
321	and return;	372	and return;
322		373
323	close $fh	374	close $fh
324	or return;	375	or return;
…		…
330	}	381	}
331		382
332	=back	383	=back
333		384
334	=cut	385	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($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		386
456	#############################################################################	387	#############################################################################
457		388
458	=head2 ATTACHABLE OBJECTS	389	=head2 ATTACHABLE OBJECTS
459		390
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	516	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	517	our @CB_MAP = ();
587		518
588	my %attachment;	519	my %attachment;
589		520
		521	sub cf::attachable::thawer_merge {
		522	# simply override everything except _meta
		523	local $_[0]{_meta};
		524	%{$_[0]} = %{$_[1]};
		525	}
		526
590	sub _attach_cb($$$$) {	527	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	528	my ($registry, $event, $prio, $cb) = @_;
592		529
593	use sort 'stable';	530	use sort 'stable';
594		531
…		…
765	# object support	702	# object support
766		703
767	sub reattach {	704	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	705	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	706	my ($obj) = @_;
		707
		708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		709
771	my $registry = $obj->registry;	710	my $registry = $obj->registry;
772		711
773	@$registry = ();	712	@$registry = ();
774		713
…		…
821	$filename, length $$rdata, scalar @$objs;	760	$filename, length $$rdata, scalar @$objs;
822		761
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	763	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	765	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	766	close $fh;
828		767
829	if (@$objs) {	768	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	770	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	771	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	772	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	774	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	775	aio_rename "$filename.pst~", "$filename.pst";
837	}	776	}
838	} else {	777	} else {
839	aio_unlink "$filename.pst";	778	aio_unlink "$filename.pst";
…		…
845	}	784	}
846	} else {	785	} else {
847	aio_unlink $filename;	786	aio_unlink $filename;
848	aio_unlink "$filename.pst";	787	aio_unlink "$filename.pst";
849	}	788	}
		789
		790	#d##TODO# nuke non .map-files if exist
		791	if ($filename =~ s/\.map$//) {
		792	aio_unlink $filename;
		793	aio_unlink "$filename.pst";
		794	}
850	}	795	}
851	}	796	}
852		797
853	sub object_freezer_as_string {	798	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	799	my ($rdata, $objs) = @_;
…		…
860		805
861	sub object_thawer_load {	806	sub object_thawer_load {
862	my ($filename) = @_;	807	my ($filename) = @_;
863		808
864	my ($data, $av);	809	my ($data, $av);
		810
		811	#d#TODO remove .map if file does not exist
		812	aio_stat $filename and $filename =~ s/\.map$//;
865		813
866	(aio_load $filename, $data) >= 0	814	(aio_load $filename, $data) >= 0
867	or return;	815	or return;
868		816
869	unless (aio_stat "$filename.pst") {	817	unless (aio_stat "$filename.pst") {
…		…
906	=cut	854	=cut
907		855
908	sub register_extcmd {	856	sub register_extcmd {
909	my ($name, $cb) = @_;	857	my ($name, $cb) = @_;
910		858
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	859	$EXTCMD{$name} = $cb;
915	}	860	}
916		861
917	cf::player->attach (	862	cf::player->attach (
918	on_command => sub {	863	on_command => sub {
919	my ($pl, $name, $params) = @_;	864	my ($pl, $name, $params) = @_;
…		…
932		877
933	my $msg = eval { from_json $buf };	878	my $msg = eval { from_json $buf };
934		879
935	if (ref $msg) {	880	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	882	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	883	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	884	}
940	}	885	}
941	} else {	886	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		889
945	cf::override;	890	cf::override;
946	},	891	},
947	);	892	);
948		893
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	894	sub load_extension {
956	my ($path) = @_;	895	my ($path) = @_;
957		896
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	898	my $base = $1;
960	my $pkg = $1;	899	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	900	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	901	$pkg = "ext::$pkg";
963		902
964	warn "loading '$path' into '$pkg'\n";	903	warn "... loading '$path' into '$pkg'\n";
965		904
966	open my $fh, "<:utf8", $path	905	open my $fh, "<:utf8", $path
967	or die "$path: $!";	906	or die "$path: $!";
968		907
969	my $source =	908	my $source =
970	"package $pkg; use strict; use utf8;\n"	909	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	910	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	911	. (do { local $/; <$fh> })
973	. "\n};\n1";	912	. "\n};\n1";
974		913
975	eval $source	914	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	915	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	916	: "extension disabled.\n";
978		917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	918	warn $@;
980	$ext_pkg{$base} = $pkg;	919	warn "mandatory extension failed to load, exiting.\n";
981		920	exit 1;
982	# no strict 'refs';	921	}
983	# @{"$pkg\::ISA"} = ext::;	922	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	# }	923	}
998		924
999	# remove commands	925	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	}	926	}
1024		927
1025	sub load_extensions {	928	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	929	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	930	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	934	} or warn "$ext not loaded: $@";
1032	}	935	}
1033	}	936	}
1034		937
1035	#############################################################################	938	#############################################################################
1036	# load/save/clean perl data associated with a map
1037
1038	*cf::mapsupport::on_clean = sub {
1039	my ($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		939
1073	=head2 CORE EXTENSIONS	940	=head2 CORE EXTENSIONS
1074		941
1075	Functions and methods that extend core crossfire objects.	942	Functions and methods that extend core crossfire objects.
1076		943
1077	=cut	944	=cut
1078		945
1079	package cf::player;	946	package cf::player;
1080		947
		948	use Coro::AIO;
		949
1081	=head3 cf::player	950	=head3 cf::player
1082		951
1083	=over 4	952	=over 4
1084		953
1085	=item cf::player::find $login	954	=item cf::player::find $login
1086		955
1087	Returns the given player object, loading it if necessary (might block).	956	Returns the given player object, loading it if necessary (might block).
1088		957
1089	=cut	958	=cut
1090		959
		960	sub playerdir($) {
		961	cf::localdir
		962	. "/"
		963	. cf::playerdir
		964	. "/"
		965	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		966	}
		967
1091	sub path($) {	968	sub path($) {
1092	sprintf "%s/%s/%s/%s.pl",	969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1093	cf::localdir, cf::playerdir,	970
1094	(ref $_[0] ? $_[0]->ob->name : $_[0]) x 2	971	(playerdir $login) . "/$login.pl"
1095	}	972	}
1096		973
1097	sub find_active($) {	974	sub find_active($) {
1098	$cf::PLAYER{$_[0]}	975	$cf::PLAYER{$_[0]}
1099	and $cf::PLAYER{$_[0]}->active	976	and $cf::PLAYER{$_[0]}->active
…		…
1102		979
1103	sub exists($) {	980	sub exists($) {
1104	my ($login) = @_;	981	my ($login) = @_;
1105		982
1106	$cf::PLAYER{$login}	983	$cf::PLAYER{$login}
1107	or cf::sync_job { !aio_stat $login }	984	or cf::sync_job { !aio_stat path $login }
1108	}	985	}
1109		986
1110	sub find($) {	987	sub find($) {
1111	return $cf::PLAYER{$_[0]} || do {	988	return $cf::PLAYER{$_[0]} || do {
1112	my $login = $_[0];	989	my $login = $_[0];
1113		990
1114	my $guard = cf::lock_acquire "user_find:$login";	991	my $guard = cf::lock_acquire "user_find:$login";
1115		992
1116	$cf::PLAYER{$login} ||= (load_pl path $login or return);	993	$cf::PLAYER{$_[0]} || do {
		994	my $pl = load_pl path $login
		995	or return;
		996	$cf::PLAYER{$login} = $pl
		997	}
1117	};	998	}
1118	}	999	}
1119		1000
1120	sub save($) {	1001	sub save($) {
1121	my ($pl) = @_;	1002	my ($pl) = @_;
1122		1003
…		…
1124		1005
1125	my $path = path $pl;	1006	my $path = path $pl;
1126	my $guard = cf::lock_acquire "user_save:$path";	1007	my $guard = cf::lock_acquire "user_save:$path";
1127		1008
1128	return if $pl->{deny_save};	1009	return if $pl->{deny_save};
		1010
		1011	aio_mkdir playerdir $pl, 0770;
1129	$pl->{last_save} = $cf::RUNTIME;	1012	$pl->{last_save} = $cf::RUNTIME;
1130		1013
1131	Coro::cede;
1132	$pl->save_pl ($path);	1014	$pl->save_pl ($path);
1133	Coro::cede;	1015	Coro::cede;
1134	}	1016	}
1135		1017
1136	sub new($) {	1018	sub new($) {
…		…
1144	$cf::PLAYER{$login} = $self;	1026	$cf::PLAYER{$login} = $self;
1145		1027
1146	$self	1028	$self
1147	}	1029	}
1148		1030
		1031	=item $pl->quit_character
		1032
		1033	Nukes the player without looking back. If logged in, the connection will
		1034	be destroyed. May block for a long time.
		1035
		1036	=cut
		1037
		1038	sub quit_character {
		1039	my ($pl) = @_;
		1040
		1041	$pl->{deny_save} = 1;
		1042	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1043
		1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1045	$pl->deactivate;
		1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1047	$pl->ns->destroy if $pl->ns;
		1048
		1049	my $path = playerdir $pl;
		1050	my $temp = "$path~$cf::RUNTIME~deleting~";
		1051	aio_rename $path, $temp;
		1052	delete $cf::PLAYER{$pl->ob->name};
		1053	$pl->destroy;
		1054	IO::AIO::aio_rmtree $temp;
		1055	}
		1056
		1057	=item cf::player::list_logins
		1058
		1059	Returns am arrayref of all valid playernames in the system, can take a
		1060	while and may block, so not sync_job-capable, ever.
		1061
		1062	=cut
		1063
		1064	sub list_logins {
		1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1066	or return [];
		1067
		1068	my @logins;
		1069
		1070	for my $login (@$dirs) {
		1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1072	aio_read $fh, 0, 512, my $buf, 0 or next;
		1073	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1074
		1075	utf8::decode $login;
		1076	push @logins, $login;
		1077	}
		1078
		1079	\@logins
		1080	}
		1081
		1082	=item $player->maps
		1083
		1084	Returns an arrayref of map paths that are private for this
		1085	player. May block.
		1086
		1087	=cut
		1088
		1089	sub maps($) {
		1090	my ($pl) = @_;
		1091
		1092	$pl = ref $pl ? $pl->ob->name : $pl;
		1093
		1094	my $files = aio_readdir playerdir $pl
		1095	or return;
		1096
		1097	my @paths;
		1098
		1099	for (@$files) {
		1100	utf8::decode $_;
		1101	next if /\.(?:pl|pst)$/;
		1102	next unless /^$PATH_SEP/o;
		1103
		1104	push @paths, cf::map::normalise "~$pl/$_";
		1105	}
		1106
		1107	\@paths
		1108	}
		1109
1149	=item $player->ext_reply ($msgid, $msgtype, %msg)	1110	=item $player->ext_reply ($msgid, $msgtype, %msg)
1150		1111
1151	Sends an ext reply to the player.	1112	Sends an ext reply to the player.
1152		1113
1153	=cut	1114	=cut
…		…
1174	package cf::map;	1135	package cf::map;
1175		1136
1176	use Fcntl;	1137	use Fcntl;
1177	use Coro::AIO;	1138	use Coro::AIO;
1178		1139
		1140	use overload
		1141	'""' => \&as_string,
		1142	fallback => 1;
		1143
1179	our $MAX_RESET = 3600;	1144	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1145	our $DEFAULT_RESET = 3000;
1181		1146
1182	sub generate_random_map {	1147	sub generate_random_map {
1183	my ($path, $rmp) = @_;	1148	my ($self, $rmp) = @_;
1184
1185	# mit "rum" bekleckern, nicht	1149	# mit "rum" bekleckern, nicht
1186	cf::map::_create_random_map	1150	$self->_create_random_map (
1187	$path,
1188	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1190	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191	$rmp->{exit_on_final_map},	1154	$rmp->{exit_on_final_map},
1192	$rmp->{xsize}, $rmp->{ysize},	1155	$rmp->{xsize}, $rmp->{ysize},
1193	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1197	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198	(cf::region::find $rmp->{region})	1161	(cf::region::find $rmp->{region}), $rmp->{custom}
		1162	)
		1163	}
		1164
		1165	=item cf::map->register ($regex, $prio)
		1166
		1167	Register a handler for the map path matching the given regex at the
		1168	givne priority (higher is better, built-in handlers have priority 0, the
		1169	default).
		1170
		1171	=cut
		1172
		1173	sub register {
		1174	my (undef, $regex, $prio) = @_;
		1175	my $pkg = caller;
		1176
		1177	no strict;
		1178	push @{"$pkg\::ISA"}, __PACKAGE__;
		1179
		1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1181	}
		1182
		1183	# also paths starting with '/'
		1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1185
		1186	sub thawer_merge {
		1187	my ($self, $merge) = @_;
		1188
		1189	# we have to keep some variables in memory intact
		1190	local $self->{path};
		1191	local $self->{load_path};
		1192	local $self->{deny_save};
		1193	local $self->{deny_reset};
		1194
		1195	$self->SUPER::thawer_merge ($merge);
		1196	}
		1197
		1198	sub normalise {
		1199	my ($path, $base) = @_;
		1200
		1201	$path = "$path"; # make sure its a string
		1202
		1203	$path =~ s/\.map$//;
		1204
		1205	# map plan:
		1206	#
		1207	# /! non-realised random map exit (special hack!)
		1208	# {... are special paths that are not being touched
		1209	# ?xxx/... are special absolute paths
		1210	# ?random/... random maps
		1211	# /... normal maps
		1212	# ~user/... per-player map of a specific user
		1213
		1214	$path =~ s/$PATH_SEP/\//go;
		1215
		1216	# treat it as relative path if it starts with
		1217	# something that looks reasonable
		1218	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1219	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1220
		1221	$base =~ s{[^/]+/?$}{};
		1222	$path = "$base/$path";
		1223	}
		1224
		1225	for ($path) {
		1226	redo if s{//}{/};
		1227	redo if s{/\.?/}{/};
		1228	redo if s{/[^/]+/\.\./}{/};
		1229	}
		1230
		1231	$path
		1232	}
		1233
		1234	sub new_from_path {
		1235	my (undef, $path, $base) = @_;
		1236
		1237	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1238
		1239	$path = normalise $path, $base;
		1240
		1241	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1242	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1243	my $self = bless cf::map::new, $pkg;
		1244	$self->{path} = $path; $self->path ($path);
		1245	$self->init; # pass $1 etc.
		1246	return $self;
		1247	}
		1248	}
		1249
		1250	Carp::carp "unable to resolve path '$path' (base '$base').";
		1251	()
		1252	}
		1253
		1254	sub init {
		1255	my ($self) = @_;
		1256
		1257	$self
		1258	}
		1259
		1260	sub as_string {
		1261	my ($self) = @_;
		1262
		1263	"$self->{path}"
		1264	}
		1265
		1266	# the displayed name, this is a one way mapping
		1267	sub visible_name {
		1268	&as_string
		1269	}
		1270
		1271	# the original (read-only) location
		1272	sub load_path {
		1273	my ($self) = @_;
		1274
		1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1276	}
		1277
		1278	# the temporary/swap location
		1279	sub save_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1284	}
		1285
		1286	# the unique path, undef == no special unique path
		1287	sub uniq_path {
		1288	my ($self) = @_;
		1289
		1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1199	}	1292	}
1200		1293
1201	# and all this just because we cannot iterate over	1294	# and all this just because we cannot iterate over
1202	# all maps in C++...	1295	# all maps in C++...
1203	sub change_all_map_light {	1296	sub change_all_map_light {
…		…
1205		1298
1206	$_->change_map_light ($change)	1299	$_->change_map_light ($change)
1207	for grep $_->outdoor, values %cf::MAP;	1300	for grep $_->outdoor, values %cf::MAP;
1208	}	1301	}
1209		1302
		1303	sub unlink_save {
		1304	my ($self) = @_;
		1305
		1306	utf8::encode (my $save = $self->save_path);
		1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1309
		1310	#d#TODO remove .map and also nuke
		1311	$save =~ s/\.map// or return;#d#
		1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1314	}
		1315
1210	sub try_load_header($) {	1316	sub load_header_from($) {
1211	my ($path) = @_;	1317	my ($self, $path) = @_;
1212		1318
1213	utf8::encode $path;	1319	utf8::encode $path;
1214	aio_open $path, O_RDONLY, 0	1320	#aio_open $path, O_RDONLY, 0
		1321	# or return;
		1322
		1323	$self->_load_header ($path)
1215	or return;	1324	or return;
1216		1325
1217	my $map = cf::map::new	1326	$self->{load_path} = $path;
		1327
		1328	1
		1329	}
		1330
		1331	sub load_header_orig {
		1332	my ($self) = @_;
		1333
		1334	$self->load_header_from ($self->load_path)
		1335	}
		1336
		1337	sub load_header_temp {
		1338	my ($self) = @_;
		1339
		1340	$self->load_header_from ($self->save_path)
		1341	}
		1342
		1343	sub prepare_temp {
		1344	my ($self) = @_;
		1345
		1346	$self->last_access ((delete $self->{last_access})
		1347	|| $cf::RUNTIME); #d#
		1348	# safety
		1349	$self->{instantiate_time} = $cf::RUNTIME
		1350	if $self->{instantiate_time} > $cf::RUNTIME;
		1351	}
		1352
		1353	sub prepare_orig {
		1354	my ($self) = @_;
		1355
		1356	$self->{load_original} = 1;
		1357	$self->{instantiate_time} = $cf::RUNTIME;
		1358	$self->last_access ($cf::RUNTIME);
		1359	$self->instantiate;
		1360	}
		1361
		1362	sub load_header {
		1363	my ($self) = @_;
		1364
		1365	if ($self->load_header_temp) {
		1366	$self->prepare_temp;
		1367	} else {
		1368	$self->load_header_orig
1218	or return;	1369	or return;
		1370	$self->prepare_orig;
		1371	}
1219		1372
1220	# for better error messages only, will be overwritten	1373	1
1221	$map->path ($path);
1222
1223	$map->load_header ($path)
1224	or return;
1225
1226	$map->{load_path} = $path;
1227
1228	$map
1229	}	1374	}
1230		1375
1231	sub find;	1376	sub find;
1232	sub find {	1377	sub find {
1233	my ($path, $origin) = @_;	1378	my ($path, $origin) = @_;
1234		1379
1235	#warn "find<$path,$origin>\n";#d#
1236
1237	$path = new cf::path $path, $origin && $origin->path;	1380	$path = normalise $path, $origin && $origin->path;
1238	my $key = $path->as_string;
1239		1381
1240	cf::lock_wait "map_find:$key";	1382	cf::lock_wait "map_find:$path";
1241		1383
1242	$cf::MAP{$key} || do {	1384	$cf::MAP{$path} || do {
1243	my $guard = cf::lock_acquire "map_find:$key";	1385	my $guard = cf::lock_acquire "map_find:$path";
1244		1386	my $map = new_from_path cf::map $path
1245	# do it the slow way
1246	my $map = try_load_header $path->save_path;
1247
1248	Coro::cede;
1249
1250	if ($map) {
1251	$map->last_access ((delete $map->{last_access})
1252	|| $cf::RUNTIME); #d#
1253	# safety
1254	$map->{instantiate_time} = $cf::RUNTIME
1255	if $map->{instantiate_time} > $cf::RUNTIME;
1256	} else {
1257	if (my $rmp = $path->random_map_params) {
1258	$map = generate_random_map $key, $rmp;
1259	} else {
1260	$map = try_load_header $path->load_path;
1261	}
1262
1263	$map or return;	1387	or return;
1264		1388
1265	$map->{load_original} = 1;
1266	$map->{instantiate_time} = $cf::RUNTIME;
1267	$map->last_access ($cf::RUNTIME);
1268	$map->instantiate;
1269
1270	# per-player maps become, after loading, normal maps
1271	$map->per_player (0) if $path->{user_rel};
1272	}
1273
1274	$map->path ($key);
1275	$map->{path} = $path;
1276	$map->{last_save} = $cf::RUNTIME;	1389	$map->{last_save} = $cf::RUNTIME;
1277		1390
1278	Coro::cede;	1391	$map->load_header
		1392	or return;
1279		1393
1280	if ($map->should_reset) {	1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1395	# doing this can freeze the server in a sync job, obviously
		1396	#$cf::WAIT_FOR_TICK->wait;
1281	$map->reset;	1397	$map->reset;
1282	undef $guard;	1398	undef $guard;
1283	$map = find $path	1399	return find $path;
1284	or return;
1285	}	1400	}
1286		1401
1287	$cf::MAP{$key} = $map	1402	$cf::MAP{$path} = $map
1288	}	1403	}
1289	}	1404	}
		1405
		1406	sub pre_load { }
		1407	sub post_load { }
1290		1408
1291	sub load {	1409	sub load {
1292	my ($self) = @_;	1410	my ($self) = @_;
1293		1411
		1412	local $self->{deny_reset} = 1; # loading can take a long time
		1413
1294	my $path = $self->{path};	1414	my $path = $self->{path};
1295	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1415	my $guard = cf::lock_acquire "map_load:$path";
1296		1416
1297	return if $self->in_memory != cf::MAP_SWAPPED;	1417	return if $self->in_memory != cf::MAP_SWAPPED;
1298		1418
1299	$self->in_memory (cf::MAP_LOADING);	1419	$self->in_memory (cf::MAP_LOADING);
1300		1420
1301	$self->alloc;	1421	$self->alloc;
		1422
		1423	$self->pre_load;
		1424
1302	$self->load_objects ($self->{load_path}, 1)	1425	$self->_load_objects ($self->{load_path}, 1)
1303	or return;	1426	or return;
1304		1427
1305	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1306	if delete $self->{load_original};	1429	if delete $self->{load_original};
1307		1430
1308	if (my $uniq = $path->uniq_path) {	1431	if (my $uniq = $self->uniq_path) {
1309	utf8::encode $uniq;	1432	utf8::encode $uniq;
1310	if (aio_open $uniq, O_RDONLY, 0) {	1433	if (aio_open $uniq, O_RDONLY, 0) {
1311	$self->clear_unique_items;	1434	$self->clear_unique_items;
1312	$self->load_objects ($uniq, 0);	1435	$self->_load_objects ($uniq, 0);
1313	}	1436	}
1314	}	1437	}
1315		1438
1316	Coro::cede;	1439	Coro::cede;
1317		1440
1318	# now do the right thing for maps	1441	# now do the right thing for maps
1319	$self->link_multipart_objects;	1442	$self->link_multipart_objects;
1320		1443
1321	if ($self->{path}->is_style_map) {	1444	unless ($self->{deny_activate}) {
1322	$self->{deny_save} = 1;	1445	$self->decay_objects;
1323	$self->{deny_reset} = 1;
1324	} else {
1325	$self->fix_auto_apply;	1446	$self->fix_auto_apply;
1326	$self->decay_objects;
1327	$self->update_buttons;	1447	$self->update_buttons;
		1448	Coro::cede;
1328	$self->set_darkness_map;	1449	$self->set_darkness_map;
1329	$self->difficulty ($self->estimate_difficulty)	1450	$self->difficulty ($self->estimate_difficulty)
1330	unless $self->difficulty;	1451	unless $self->difficulty;
		1452	Coro::cede;
1331	$self->activate;	1453	$self->activate;
1332	}	1454	}
1333		1455
1334	Coro::cede;	1456	$self->post_load;
1335		1457
1336	$self->in_memory (cf::MAP_IN_MEMORY);	1458	$self->in_memory (cf::MAP_IN_MEMORY);
		1459	}
		1460
		1461	sub customise_for {
		1462	my ($self, $ob) = @_;
		1463
		1464	return find "~" . $ob->name . "/" . $self->{path}
		1465	if $self->per_player;
		1466
		1467	$self
		1468	}
		1469
		1470	# find and load all maps in the 3x3 area around a map
		1471	sub load_diag {
		1472	my ($map) = @_;
		1473
		1474	my @diag; # diagonal neighbours
		1475
		1476	for (0 .. 3) {
		1477	my $neigh = $map->tile_path ($_)
		1478	or next;
		1479	$neigh = find $neigh, $map
		1480	or next;
		1481	$neigh->load;
		1482
		1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1485	}
		1486
		1487	for (@diag) {
		1488	my $neigh = find @$_
		1489	or next;
		1490	$neigh->load;
		1491	}
1337	}	1492	}
1338		1493
1339	sub find_sync {	1494	sub find_sync {
1340	my ($path, $origin) = @_;	1495	my ($path, $origin) = @_;
1341		1496
1342	cf::sync_job { cf::map::find $path, $origin }	1497	cf::sync_job { find $path, $origin }
1343	}	1498	}
1344		1499
1345	sub do_load_sync {	1500	sub do_load_sync {
1346	my ($map) = @_;	1501	my ($map) = @_;
1347		1502
1348	cf::sync_job { $map->load };	1503	cf::sync_job { $map->load };
1349	}	1504	}
1350		1505
		1506	our %MAP_PREFETCH;
		1507	our $MAP_PREFETCHER = undef;
		1508
		1509	sub find_async {
		1510	my ($path, $origin) = @_;
		1511
		1512	$path = normalise $path, $origin && $origin->{path};
		1513
		1514	if (my $map = $cf::MAP{$path}) {
		1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1516	}
		1517
		1518	undef $MAP_PREFETCH{$path};
		1519	$MAP_PREFETCHER ||= cf::async {
		1520	while (%MAP_PREFETCH) {
		1521	for my $path (keys %MAP_PREFETCH) {
		1522	my $map = find $path
		1523	or next;
		1524	$map->load;
		1525
		1526	delete $MAP_PREFETCH{$path};
		1527	}
		1528	}
		1529	undef $MAP_PREFETCHER;
		1530	};
		1531	$MAP_PREFETCHER->prio (6);
		1532
		1533	()
		1534	}
		1535
1351	sub save {	1536	sub save {
1352	my ($self) = @_;	1537	my ($self) = @_;
1353		1538
1354	my $lock = cf::lock_acquire "map_data:" . $self->path;	1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
1355		1540
1356	$self->{last_save} = $cf::RUNTIME;	1541	$self->{last_save} = $cf::RUNTIME;
1357		1542
1358	return unless $self->dirty;	1543	return unless $self->dirty;
1359		1544
1360	my $save = $self->{path}->save_path; utf8::encode $save;	1545	my $save = $self->save_path; utf8::encode $save;
1361	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1546	my $uniq = $self->uniq_path; utf8::encode $uniq;
1362		1547
1363	$self->{load_path} = $save;	1548	$self->{load_path} = $save;
1364		1549
1365	return if $self->{deny_save};	1550	return if $self->{deny_save};
1366		1551
…		…
1369	cf::async {	1554	cf::async {
1370	$_->contr->save for $self->players;	1555	$_->contr->save for $self->players;
1371	};	1556	};
1372		1557
1373	if ($uniq) {	1558	if ($uniq) {
1374	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375	$self->save_objects ($uniq, cf::IO_UNIQUES);	1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1376	} else {	1561	} else {
1377	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1378	}	1563	}
1379	}	1564	}
1380		1565
1381	sub swap_out {	1566	sub swap_out {
1382	my ($self) = @_;	1567	my ($self) = @_;
…		…
1396		1581
1397	sub reset_at {	1582	sub reset_at {
1398	my ($self) = @_;	1583	my ($self) = @_;
1399		1584
1400	# TODO: safety, remove and allow resettable per-player maps	1585	# TODO: safety, remove and allow resettable per-player maps
1401	return 1e99 if $self->{path}{user_rel};	1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1402	return 1e99 if $self->{deny_reset};	1587	return 1e99 if $self->{deny_reset};
1403		1588
1404	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1406		1591
…		…
1411	my ($self) = @_;	1596	my ($self) = @_;
1412		1597
1413	$self->reset_at <= $cf::RUNTIME	1598	$self->reset_at <= $cf::RUNTIME
1414	}	1599	}
1415		1600
1416	sub unlink_save {
1417	my ($self) = @_;
1418
1419	utf8::encode (my $save = $self->{path}->save_path);
1420	aioreq_pri 3; IO::AIO::aio_unlink $save;
1421	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1422	}
1423
1424	sub rename {
1425	my ($self, $new_path) = @_;
1426
1427	$self->unlink_save;
1428
1429	delete $cf::MAP{$self->path};
1430	$self->{path} = new cf::path $new_path;
1431	$self->path ($self->{path}->as_string);
1432	$cf::MAP{$self->path} = $self;
1433
1434	$self->save;
1435	}
1436
1437	sub reset {	1601	sub reset {
1438	my ($self) = @_;	1602	my ($self) = @_;
1439		1603
1440	my $lock = cf::lock_acquire "map_data:" . $self->path;	1604	my $lock = cf::lock_acquire "map_data:$self->{path}";
1441		1605
1442	return if $self->players;	1606	return if $self->players;
1443	return if $self->{path}{user_rel};#d#	1607	return if $self->isa ("ext::map_per_player");#d#
1444		1608
1445	warn "resetting map ", $self->path;#d#	1609	warn "resetting map ", $self->path;#d#
1446		1610
1447	delete $cf::MAP{$self->path};	1611	delete $cf::MAP{$self->path};
		1612
		1613	$self->in_memory (cf::MAP_SWAPPED);
		1614	$self->clear;
1448		1615
1449	$_->clear_links_to ($self) for values %cf::MAP;	1616	$_->clear_links_to ($self) for values %cf::MAP;
1450		1617
1451	$self->unlink_save;	1618	$self->unlink_save;
1452	$self->destroy;	1619	$self->destroy;
…		…
1455	my $nuke_counter = "aaaa";	1622	my $nuke_counter = "aaaa";
1456		1623
1457	sub nuke {	1624	sub nuke {
1458	my ($self) = @_;	1625	my ($self) = @_;
1459		1626
		1627	delete $cf::MAP{$self->path};
		1628
		1629	$self->unlink_save;
		1630
		1631	bless $self, "cf::map";
		1632	delete $self->{deny_reset};
1460	$self->{deny_save} = 1;	1633	$self->{deny_save} = 1;
1461	$self->reset_timeout (1);	1634	$self->reset_timeout (1);
1462	$self->rename ("{nuke}/" . ($nuke_counter++));	1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1636
		1637	$cf::MAP{$self->path} = $self;
		1638
1463	$self->reset; # polite request, might not happen	1639	$self->reset; # polite request, might not happen
1464	}	1640	}
1465		1641
1466	sub customise_for {	1642	=item cf::map::unique_maps
1467	my ($map, $ob) = @_;
1468		1643
1469	if ($map->per_player) {	1644	Returns an arrayref of paths of all shared maps that have
1470	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1645	instantiated unique items. May block.
1471	}
1472		1646
1473	$map	1647	=cut
1474	}
1475		1648
1476	sub emergency_save {	1649	sub unique_maps() {
1477	my $freeze_guard = cf::freeze_mainloop;	1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1651	or return;
1478		1652
1479	warn "enter emergency map save\n";	1653	my @paths;
1480		1654
1481	cf::sync_job {	1655	for (@$files) {
1482	warn "begin emergency map save\n";	1656	utf8::decode $_;
1483	$_->save for values %cf::MAP;	1657	next if /\.pst$/;
		1658	next unless /^$PATH_SEP/o;
		1659
		1660	push @paths, cf::map::normalise $_;
1484	};	1661	}
1485		1662
1486	warn "end emergency map save\n";	1663	\@paths
1487	}	1664	}
1488		1665
1489	package cf;	1666	package cf;
1490		1667
1491	=back	1668	=back
1492		1669
		1670	=head3 cf::object
		1671
		1672	=cut
		1673
		1674	package cf::object;
		1675
		1676	=over 4
		1677
		1678	=item $ob->inv_recursive
		1679
		1680	Returns the inventory of the object _and_ their inventories, recursively.
		1681
		1682	=cut
		1683
		1684	sub inv_recursive_;
		1685	sub inv_recursive_ {
		1686	map { $_, inv_recursive_ $_->inv } @_
		1687	}
		1688
		1689	sub inv_recursive {
		1690	inv_recursive_ inv $_[0]
		1691	}
		1692
		1693	package cf;
		1694
		1695	=back
1493		1696
1494	=head3 cf::object::player	1697	=head3 cf::object::player
1495		1698
1496	=over 4	1699	=over 4
1497		1700
…		…
1537		1740
1538	=item $player_object->enter_link	1741	=item $player_object->enter_link
1539		1742
1540	Freezes the player and moves him/her to a special map (C<{link}>).	1743	Freezes the player and moves him/her to a special map (C<{link}>).
1541		1744
1542	The player should be reaosnably safe there for short amounts of time. You	1745	The player should be reasonably safe there for short amounts of time. You
1543	I<MUST> call C<leave_link> as soon as possible, though.	1746	I<MUST> call C<leave_link> as soon as possible, though.
1544		1747
		1748	Will never block.
		1749
1545	=item $player_object->leave_link ($map, $x, $y)	1750	=item $player_object->leave_link ($map, $x, $y)
1546		1751
1547	Moves the player out of the specila link map onto the given map. If the	1752	Moves the player out of the special C<{link}> map onto the specified
1548	map is not valid (or omitted), the player will be moved back to the	1753	map. If the map is not valid (or omitted), the player will be moved back
1549	location he/she was before the call to C<enter_link>, or, if that fails,	1754	to the location he/she was before the call to C<enter_link>, or, if that
1550	to the emergency map position.	1755	fails, to the emergency map position.
1551		1756
1552	Might block.	1757	Might block.
1553		1758
1554	=cut	1759	=cut
		1760
		1761	sub link_map {
		1762	unless ($LINK_MAP) {
		1763	$LINK_MAP = cf::map::find "{link}"
		1764	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1765	$LINK_MAP->load;
		1766	}
		1767
		1768	$LINK_MAP
		1769	}
1555		1770
1556	sub cf::object::player::enter_link {	1771	sub cf::object::player::enter_link {
1557	my ($self) = @_;	1772	my ($self) = @_;
1558		1773
1559	$self->deactivate_recursive;	1774	$self->deactivate_recursive;
1560		1775
1561	return if $self->map == $LINK_MAP;	1776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1562		1777
1563	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1564	if $self->map;	1779	if $self->map;
1565		1780
1566	$self->enter_map ($LINK_MAP, 20, 20);	1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1567	}	1782	}
1568		1783
1569	sub cf::object::player::leave_link {	1784	sub cf::object::player::leave_link {
1570	my ($self, $map, $x, $y) = @_;	1785	my ($self, $map, $x, $y) = @_;
1571		1786
…		…
1589	# use -1 or undef as default coordinates, not 0, 0	1804	# use -1 or undef as default coordinates, not 0, 0
1590	($x, $y) = ($map->enter_x, $map->enter_y)	1805	($x, $y) = ($map->enter_x, $map->enter_y)
1591	if $x <=0 && $y <= 0;	1806	if $x <=0 && $y <= 0;
1592		1807
1593	$map->load;	1808	$map->load;
		1809	$map->load_diag;
1594		1810
1595	return unless $self->contr->active;	1811	return unless $self->contr->active;
1596	$self->activate_recursive;	1812	$self->activate_recursive;
1597	$self->enter_map ($map, $x, $y);	1813	$self->enter_map ($map, $x, $y);
1598	}	1814	}
…		…
1637	my ($self, $path, $x, $y) = @_;	1853	my ($self, $path, $x, $y) = @_;
1638		1854
1639	$self->enter_link;	1855	$self->enter_link;
1640		1856
1641	(async {	1857	(async {
1642	$path = new cf::path $path;	1858	my $map = eval {
1643
1644	my $map = cf::map::find $path->as_string;	1859	my $map = cf::map::find $path;
1645	$map = $map->customise_for ($self) if $map;	1860	$map = $map->customise_for ($self) if $map;
1646		1861	$map
1647	# warn "entering ", $map->path, " at ($x, $y)\n"	1862	} or
1648	# if $map;
1649
1650	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1651		1864
1652	$self->leave_link ($map, $x, $y);	1865	$self->leave_link ($map, $x, $y);
1653	})->prio (1);	1866	})->prio (1);
1654	}	1867	}
1655		1868
…		…
1659		1872
1660	sub parse_random_map_params {	1873	sub parse_random_map_params {
1661	my ($spec) = @_;	1874	my ($spec) = @_;
1662		1875
1663	my $rmp = { # defaults	1876	my $rmp = { # defaults
1664	xsize => 10,	1877	xsize => (cf::rndm 15, 40),
1665	ysize => 10,	1878	ysize => (cf::rndm 15, 40),
		1879	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1880	#layout => string,
1666	};	1881	};
1667		1882
1668	for (split /\n/, $spec) {	1883	for (split /\n/, $spec) {
1669	my ($k, $v) = split /\s+/, $_, 2;	1884	my ($k, $v) = split /\s+/, $_, 2;
1670		1885
…		…
1674	$rmp	1889	$rmp
1675	}	1890	}
1676		1891
1677	sub prepare_random_map {	1892	sub prepare_random_map {
1678	my ($exit) = @_;	1893	my ($exit) = @_;
		1894
		1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1679		1896
1680	# all this does is basically replace the /! path by	1897	# all this does is basically replace the /! path by
1681	# a new random map path (?random/...) with a seed	1898	# a new random map path (?random/...) with a seed
1682	# that depends on the exit object	1899	# that depends on the exit object
1683		1900
1684	my $rmp = parse_random_map_params $exit->msg;	1901	my $rmp = parse_random_map_params $exit->msg;
1685		1902
1686	if ($exit->map) {	1903	if ($exit->map) {
1687	$rmp->{region} = $exit->map->region_name;	1904	$rmp->{region} = $exit->region->name;
1688	$rmp->{origin_map} = $exit->map->path;	1905	$rmp->{origin_map} = $exit->map->path;
1689	$rmp->{origin_x} = $exit->x;	1906	$rmp->{origin_x} = $exit->x;
1690	$rmp->{origin_y} = $exit->y;	1907	$rmp->{origin_y} = $exit->y;
1691	}	1908	}
1692		1909
1693	$rmp->{random_seed} ||= $exit->random_seed;	1910	$rmp->{random_seed} ||= $exit->random_seed;
1694		1911
1695	my $data = cf::to_json $rmp;	1912	my $data = cf::to_json $rmp;
1696	my $md5 = Digest::MD5::md5_hex $data;	1913	my $md5 = Digest::MD5::md5_hex $data;
		1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1697		1915
1698	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1699	aio_write $fh, 0, (length $data), $data, 0;	1917	aio_write $fh, 0, (length $data), $data, 0;
		1918	undef $fh;
		1919	aio_rename "$meta~", $meta;
1700		1920
1701	$exit->slaying ("?random/$md5");	1921	$exit->slaying ("?random/$md5");
1702	$exit->msg (undef);	1922	$exit->msg (undef);
1703	}	1923	}
1704	}	1924	}
1705		1925
1706	sub cf::object::player::enter_exit {	1926	sub cf::object::player::enter_exit {
1707	my ($self, $exit) = @_;	1927	my ($self, $exit) = @_;
1708		1928
1709	return unless $self->type == cf::PLAYER;	1929	return unless $self->type == cf::PLAYER;
		1930
		1931	if ($exit->slaying eq "/!") {
		1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1933	cf::sync_job { prepare_random_map $exit };
		1934	}
		1935
		1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1937	my $hp = $exit->stats->hp;
		1938	my $sp = $exit->stats->sp;
1710		1939
1711	$self->enter_link;	1940	$self->enter_link;
1712		1941
1713	(async {	1942	(async {
1714	$self->deactivate_recursive; # just to be sure	1943	$self->deactivate_recursive; # just to be sure
1715	unless (eval {	1944	unless (eval {
1716	prepare_random_map $exit	1945	$self->goto ($slaying, $hp, $sp);
1717	if $exit->slaying eq "/!";
1718
1719	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1720	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1721		1946
1722	1;	1947	1;
1723	}) {	1948	}) {
1724	$self->message ("Something went wrong deep within the crossfire server. "	1949	$self->message ("Something went wrong deep within the crossfire server. "
1725	. "I'll try to bring you back to the map you were before. "	1950	. "I'll try to bring you back to the map you were before. "
1726	. "Please report this to the dungeon master",	1951	. "Please report this to the dungeon master!",
1727	cf::NDI_UNIQUE | cf::NDI_RED);	1952	cf::NDI_UNIQUE | cf::NDI_RED);
1728		1953
1729	warn "ERROR in enter_exit: $@";	1954	warn "ERROR in enter_exit: $@";
1730	$self->leave_link;	1955	$self->leave_link;
1731	}	1956	}
…		…
1786	# get handled first	2011	# get handled first
1787	my $queue = delete $ns->{query_queue}	2012	my $queue = delete $ns->{query_queue}
1788	or return; # be conservative, not sure how that can happen, but we saw a crash here	2013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1789		2014
1790	(shift @$queue)->[1]->($msg);	2015	(shift @$queue)->[1]->($msg);
		2016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1791		2017
1792	push @{ $ns->{query_queue} }, @$queue;	2018	push @{ $ns->{query_queue} }, @$queue;
1793		2019
1794	if (@{ $ns->{query_queue} } == @$queue) {	2020	if (@{ $ns->{query_queue} } == @$queue) {
1795	if (@$queue) {	2021	if (@$queue) {
…		…
2014	sub db_sync() {	2240	sub db_sync() {
2015	db_save if $dirty;	2241	db_save if $dirty;
2016	undef $dirty;	2242	undef $dirty;
2017	}	2243	}
2018		2244
2019	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2245	my $idle = Event->idle (
2020	db_sync;	2246	reentrant => 0,
		2247	min => 10,
		2248	max => 20,
		2249	repeat => 0,
		2250	data => WF_AUTOCANCEL,
		2251	cb => \&db_sync,
2021	});	2252	);
2022		2253
2023	sub db_dirty() {	2254	sub db_dirty() {
2024	$dirty = 1;	2255	$dirty = 1;
2025	$idle->start;	2256	$idle->start;
2026	}	2257	}
…		…
2047	},	2278	},
2048	);	2279	);
2049	}	2280	}
2050		2281
2051	#############################################################################	2282	#############################################################################
2052	# the server's main()	2283	# the server's init and main functions
		2284
		2285	sub load_resources {
		2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2287	or die "unable to load regions file\n";#d#
		2288	}
2053		2289
2054	sub cfg_load {	2290	sub cfg_load {
2055	open my $fh, "<:utf8", cf::confdir . "/config"	2291	open my $fh, "<:utf8", cf::confdir . "/config"
2056	or return;	2292	or return;
2057		2293
…		…
2063	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2064	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2065		2301
2066	if (exists $CFG{mlockall}) {	2302	if (exists $CFG{mlockall}) {
2067	eval {	2303	eval {
2068	$CFG{mlockall} ? &mlockall : &munlockall	2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2069	and die "WARNING: m(un)lockall failed: $!\n";	2305	and die "WARNING: m(un)lockall failed: $!\n";
2070	};	2306	};
2071	warn $@ if $@;	2307	warn $@ if $@;
2072	}	2308	}
		2309	}
		2310
		2311	sub init {
		2312	load_resources;
2073	}	2313	}
2074		2314
2075	sub main {	2315	sub main {
2076	# we must not ever block the main coroutine	2316	# we must not ever block the main coroutine
2077	local $Coro::idle = sub {	2317	local $Coro::idle = sub {
2078	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2319	(async {
2079	async { Event::one_event };	2320	Event::one_event;
		2321	})->prio (Coro::PRIO_MAX);
2080	};	2322	};
2081		2323
2082	cfg_load;	2324	cfg_load;
2083	db_load;	2325	db_load;
2084	load_extensions;	2326	load_extensions;
		2327
		2328	$TICK_WATCHER->start;
2085	Event::loop;	2329	Event::loop;
2086	}	2330	}
2087		2331
2088	#############################################################################	2332	#############################################################################
2089	# initialisation	2333	# initialisation and cleanup
		2334
		2335	# install some emergency cleanup handlers
		2336	BEGIN {
		2337	for my $signal (qw(INT HUP TERM)) {
		2338	Event->signal (
		2339	reentrant => 0,
		2340	data => WF_AUTOCANCEL,
		2341	signal => $signal,
		2342	prio => 0,
		2343	cb => sub {
		2344	cf::cleanup "SIG$signal";
		2345	},
		2346	);
		2347	}
		2348	}
		2349
		2350	sub emergency_save() {
		2351	my $freeze_guard = cf::freeze_mainloop;
		2352
		2353	warn "enter emergency perl save\n";
		2354
		2355	cf::sync_job {
		2356	# use a peculiar iteration method to avoid tripping on perl
		2357	# refcount bugs in for. also avoids problems with players
		2358	# and maps saved/destroyed asynchronously.
		2359	warn "begin emergency player save\n";
		2360	for my $login (keys %cf::PLAYER) {
		2361	my $pl = $cf::PLAYER{$login} or next;
		2362	$pl->valid or next;
		2363	$pl->save;
		2364	}
		2365	warn "end emergency player save\n";
		2366
		2367	warn "begin emergency map save\n";
		2368	for my $path (keys %cf::MAP) {
		2369	my $map = $cf::MAP{$path} or next;
		2370	$map->valid or next;
		2371	$map->save;
		2372	}
		2373	warn "end emergency map save\n";
		2374	};
		2375
		2376	warn "leave emergency perl save\n";
		2377	}
2090		2378
2091	sub reload() {	2379	sub reload() {
2092	# can/must only be called in main	2380	# can/must only be called in main
2093	if ($Coro::current != $Coro::main) {	2381	if ($Coro::current != $Coro::main) {
2094	warn "can only reload from main coroutine\n";	2382	warn "can only reload from main coroutine";
2095	return;	2383	return;
2096	}	2384	}
2097		2385
2098	warn "reloading...";	2386	warn "reloading...";
2099		2387
2100	my $guard = freeze_mainloop;	2388	warn "cancelling server ticker";
		2389	$TICK_WATCHER->cancel;
		2390
2101	cf::emergency_save;	2391	cf::emergency_save;
2102		2392
2103	eval {	2393	eval {
2104	# if anything goes wrong in here, we should simply crash as we already saved	2394	# if anything goes wrong in here, we should simply crash as we already saved
2105		2395
2106	# cancel all watchers	2396	warn "syncing database to disk";
		2397	cf::db_sync;
		2398
		2399	warn "cancelling all WF_AUTOCANCEL watchers";
2107	for (Event::all_watchers) {	2400	for (Event::all_watchers) {
2108	$_->cancel if $_->data & WF_AUTOCANCEL;	2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2109	}	2402	}
2110		2403
		2404	warn "flushing outstanding aio requests";
		2405	for (;;) {
		2406	IO::AIO::flush;
		2407	Coro::cede;
		2408	last unless IO::AIO::nreqs;
		2409	warn "iterate...";
		2410	}
		2411
2111	# cancel all extension coros	2412	warn "cancelling all extension coros";
2112	$_->cancel for values %EXT_CORO;	2413	$_->cancel for values %EXT_CORO;
2113	%EXT_CORO = ();	2414	%EXT_CORO = ();
2114		2415
2115	# unload all extensions	2416	warn "removing commands";
2116	for (@exts) {	2417	%COMMAND = ();
		2418
		2419	warn "removing ext commands";
		2420	%EXTCMD = ();
		2421
		2422	warn "unloading/nuking all extensions";
		2423	for my $pkg (@EXTS) {
2117	warn "unloading <$_>";	2424	warn "... unloading $pkg";
2118	unload_extension $_;	2425
		2426	if (my $cb = $pkg->can ("unload")) {
		2427	eval {
		2428	$cb->($pkg);
		2429	1
		2430	} or warn "$pkg unloaded, but with errors: $@";
2119	}	2431	}
2120		2432
		2433	warn "... nuking $pkg";
		2434	Symbol::delete_package $pkg;
		2435	}
		2436
2121	# unload all modules loaded from $LIBDIR	2437	warn "unloading all perl modules loaded from $LIBDIR";
2122	while (my ($k, $v) = each %INC) {	2438	while (my ($k, $v) = each %INC) {
2123	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2124		2440
2125	warn "removing <$k>";	2441	warn "... unloading $k";
2126	delete $INC{$k};	2442	delete $INC{$k};
2127		2443
2128	$k =~ s/\.pm$//;	2444	$k =~ s/\.pm$//;
2129	$k =~ s/\//::/g;	2445	$k =~ s/\//::/g;
2130		2446
…		…
2133	}	2449	}
2134		2450
2135	Symbol::delete_package $k;	2451	Symbol::delete_package $k;
2136	}	2452	}
2137		2453
2138	# sync database to disk
2139	cf::db_sync;
2140	IO::AIO::flush;
2141
2142	# get rid of safe::, as good as possible	2454	warn "getting rid of safe::, as good as possible";
2143	Symbol::delete_package "safe::$_"	2455	Symbol::delete_package "safe::$_"
2144	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2145		2457
2146	# remove register_script_function callbacks
2147	# TODO
2148
2149	# unload cf.pm "a bit"	2458	warn "unloading cf.pm \"a bit\"";
2150	delete $INC{"cf.pm"};	2459	delete $INC{"cf.pm"};
2151		2460
2152	# don't, removes xs symbols, too,	2461	# don't, removes xs symbols, too,
2153	# and global variables created in xs	2462	# and global variables created in xs
2154	#Symbol::delete_package __PACKAGE__;	2463	#Symbol::delete_package __PACKAGE__;
2155		2464
2156	# reload cf.pm	2465	warn "unload completed, starting to reload now";
		2466
2157	warn "reloading cf.pm";	2467	warn "reloading cf.pm";
2158	require cf;	2468	require cf;
2159	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2160		2470
2161	# load config and database again	2471	warn "loading config and database again";
2162	cf::cfg_load;	2472	cf::cfg_load;
2163	cf::db_load;	2473	cf::db_load;
2164		2474
2165	# load extensions
2166	warn "load extensions";	2475	warn "loading extensions";
2167	cf::load_extensions;	2476	cf::load_extensions;
2168		2477
2169	# reattach attachments to objects	2478	warn "reattaching attachments to objects/players";
2170	warn "reattach";
2171	_global_reattach;	2479	_global_reattach;
		2480	warn "reattaching attachments to maps";
		2481	reattach $_ for values %MAP;
		2482
		2483	warn "loading reloadable resources";
		2484	load_resources;
		2485
		2486	warn "restarting server ticker";
		2487
		2488	$TICK_WATCHER->start;
2172	};	2489	};
2173		2490
2174	if ($@) {	2491	if ($@) {
2175	warn $@;	2492	warn $@;
2176	warn "error while reloading, exiting.";	2493	warn "error while reloading, exiting.";
2177	exit 1;	2494	exit 1;
2178	}	2495	}
2179		2496
2180	warn "reloaded successfully";	2497	warn "reloaded";
2181	};	2498	};
2182		2499
2183	#############################################################################	2500	our $RELOAD_WATCHER; # used only during reload
2184
2185	unless ($LINK_MAP) {
2186	$LINK_MAP = cf::map::new;
2187
2188	$LINK_MAP->width (41);
2189	$LINK_MAP->height (41);
2190	$LINK_MAP->alloc;
2191	$LINK_MAP->path ("{link}");
2192	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2193	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2194
2195	# dirty hack because... archetypes are not yet loaded
2196	Event->timer (
2197	after => 10,
2198	cb => sub {
2199	$_[0]->w->cancel;
2200
2201	# provide some exits "home"
2202	my $exit = cf::object::new "exit";
2203
2204	$exit->slaying ($EMERGENCY_POSITION->[0]);
2205	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2206	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2207
2208	$LINK_MAP->insert ($exit->clone, 19, 19);
2209	$LINK_MAP->insert ($exit->clone, 19, 20);
2210	$LINK_MAP->insert ($exit->clone, 19, 21);
2211	$LINK_MAP->insert ($exit->clone, 20, 19);
2212	$LINK_MAP->insert ($exit->clone, 20, 21);
2213	$LINK_MAP->insert ($exit->clone, 21, 19);
2214	$LINK_MAP->insert ($exit->clone, 21, 20);
2215	$LINK_MAP->insert ($exit->clone, 21, 21);
2216
2217	$exit->destroy;
2218	});
2219
2220	$LINK_MAP->{deny_save} = 1;
2221	$LINK_MAP->{deny_reset} = 1;
2222
2223	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2224	}
2225
2226	register "<global>", __PACKAGE__;
2227		2501
2228	register_command "reload" => sub {	2502	register_command "reload" => sub {
2229	my ($who, $arg) = @_;	2503	my ($who, $arg) = @_;
2230		2504
2231	if ($who->flag (FLAG_WIZ)) {	2505	if ($who->flag (FLAG_WIZ)) {
2232	$who->message ("start of reload.");	2506	$who->message ("reloading server.");
		2507
		2508	# doing reload synchronously and two reloads happen back-to-back,
		2509	# coro crashes during coro_state_free->destroy here.
		2510
		2511	$RELOAD_WATCHER ||= Event->timer (
		2512	reentrant => 0,
		2513	after => 0,
		2514	data => WF_AUTOCANCEL,
		2515	cb => sub {
2233	reload;	2516	reload;
2234	$who->message ("end of reload.");	2517	undef $RELOAD_WATCHER;
		2518	},
		2519	);
2235	}	2520	}
2236	};	2521	};
2237		2522
2238	unshift @INC, $LIBDIR;	2523	unshift @INC, $LIBDIR;
		2524
		2525	my $bug_warning = 0;
2239		2526
2240	$TICK_WATCHER = Event->timer (	2527	$TICK_WATCHER = Event->timer (
2241	reentrant => 0,	2528	reentrant => 0,
		2529	parked => 1,
2242	prio => 0,	2530	prio => 0,
2243	at => $NEXT_TICK || $TICK,	2531	at => $NEXT_TICK || $TICK,
2244	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2245	cb => sub {	2533	cb => sub {
		2534	if ($Coro::current != $Coro::main) {
		2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2536	unless ++$bug_warning > 10;
		2537	return;
		2538	}
		2539
		2540	$NOW = Event::time;
		2541
2246	cf::server_tick; # one server iteration	2542	cf::server_tick; # one server iteration
2247	$RUNTIME += $TICK;	2543	$RUNTIME += $TICK;
2248	$NEXT_TICK += $TICK;	2544	$NEXT_TICK += $TICK;
		2545
		2546	$WAIT_FOR_TICK->broadcast;
		2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2548
		2549	Event::sweep;
		2550	Coro::cede_notself;
		2551
		2552	# my $AFTER = Event::time;
		2553	# warn $AFTER - $NOW;#d#
2249		2554
2250	# if we are delayed by four ticks or more, skip them all	2555	# if we are delayed by four ticks or more, skip them all
2251	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2252		2557
2253	$TICK_WATCHER->at ($NEXT_TICK);	2558	$TICK_WATCHER->at ($NEXT_TICK);
2254	$TICK_WATCHER->start;	2559	$TICK_WATCHER->start;
2255	},	2560	},
2256	);	2561	);
2257		2562
		2563	{
		2564	BDB::max_poll_time $TICK * 0.1;
		2565	$BDB_POLL_WATCHER = Event->io (
		2566	reentrant => 0,
		2567	fd => BDB::poll_fileno,
		2568	poll => 'r',
		2569	prio => 0,
		2570	data => WF_AUTOCANCEL,
		2571	cb => \&BDB::poll_cb,
		2572	);
		2573	BDB::min_parallel 8;
		2574
		2575	BDB::set_sync_prepare {
		2576	my $status;
		2577	my $current = $Coro::current;
		2578	(
		2579	sub {
		2580	$status = $!;
		2581	$current->ready; undef $current;
		2582	},
		2583	sub {
		2584	Coro::schedule while defined $current;
		2585	$! = $status;
		2586	},
		2587	)
		2588	};
		2589
		2590	unless ($DB_ENV) {
		2591	$DB_ENV = BDB::db_env_create;
		2592
		2593	cf::sync_job {
		2594	BDB::db_env_open
		2595	$DB_ENV,
		2596	$BDB_ENV_DIR,
		2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2599	0666;
		2600
		2601	cf::cleanup "$!" if $!;
		2602
		2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2604	$DB_ENV->set_lk_detect;
		2605	};
		2606	}
		2607	}
		2608
		2609	{
		2610	IO::AIO::min_parallel 8;
		2611
		2612	undef $Coro::AIO::WATCHER;
2258	IO::AIO::max_poll_time $TICK * 0.2;	2613	IO::AIO::max_poll_time $TICK * 0.1;
2259		2614	$AIO_POLL_WATCHER = Event->io (
2260	Event->io (	2615	reentrant => 0,
2261	fd => IO::AIO::poll_fileno,	2616	fd => IO::AIO::poll_fileno,
2262	poll => 'r',	2617	poll => 'r',
2263	prio => 5,	2618	prio => 6,
2264	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2265	cb => \&IO::AIO::poll_cb,	2620	cb => \&IO::AIO::poll_cb,
2266	);	2621	);
		2622	}
2267		2623
2268	Event->timer (	2624	$WRITE_RUNTIME_WATCHER = Event->timer (
		2625	reentrant => 0,
2269	data => WF_AUTOCANCEL,	2626	data => WF_AUTOCANCEL,
2270	after => 0,	2627	after => 1,
2271	interval => 10,	2628	interval => 10,
2272	cb => sub {	2629	prio => 6, # keep it lowest so it acts like a watchdog
2273	(Coro::unblock_sub {	2630	cb => Coro::unblock_sub {
2274	write_runtime	2631	write_runtime
2275	or warn "ERROR: unable to write runtime file: $!";	2632	or warn "ERROR: unable to write runtime file: $!";
2276	})->();
2277	},	2633	},
2278	);	2634	);
2279		2635
2280	END { cf::emergency_save }	2636	END { cf::emergency_save }
2281		2637

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