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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.187 by root, Sat Jan 20 21:06:52 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 3.4 ();
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;
…		…
24	use YAML::Syck ();	24	use YAML::Syck ();
25	use Time::HiRes;	25	use Time::HiRes;
26		26
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
28		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
30	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
31		33
32	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
33		35
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35
36	our %COMMAND = ();	36	our %COMMAND = ();
37	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
39		43
40	our @EVENT;	44	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
42		46
43	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
44	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
45	our $NEXT_TICK;	51	our $NEXT_TICK;
46	our $NOW;	52	our $NOW;
47		53
48	our %CFG;	54	our %CFG;
49		55
50	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	57	our $RUNTIME;
52		58
53	our %PLAYER; # all users	59	our %PLAYER; # all users
54	our %MAP; # all maps	60	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
58		69
59	binmode STDOUT;	70	binmode STDOUT;
60	binmode STDERR;	71	binmode STDERR;
61		72
62	# read virtual server time, if available	73	# read virtual server time, if available
…		…
70	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
71	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
74		85
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
78		87
79	#############################################################################	88	#############################################################################
80		89
81	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
…		…
106		115
107	=item %cf::CFG	116	=item %cf::CFG
108		117
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
111		127
112	=back	128	=back
113		129
114	=cut	130	=cut
115		131
…		…
146	}	162	}
147		163
148	$Event::DIED = sub {	164	$Event::DIED = sub {
149	warn "error in event callback: @_";	165	warn "error in event callback: @_";
150	};	166	};
151
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155		167
156	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
157		169
158	=over 4	170	=over 4
159		171
…		…
247	}	259	}
248		260
249	sub freeze_mainloop {	261	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	262	return unless $TICK_WATCHER->is_active;
251		263
252	my $guard = Coro::guard { $TICK_WATCHER->start };	264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
253	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
254	$guard	270	$guard
255	}	271	}
256		272
257	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
…		…
309	}	325	}
310	}	326	}
311		327
312	=item $coro = cf::async_ext { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
313		329
314	Like async, but this coro is automcatially being canceled when the	330	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	331	extension calling this is being unloaded.
316		332
317	=cut	333	=cut
318		334
319	sub async_ext(&) {	335	sub async_ext(&) {
…		…
333	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
334		350
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	352	or return;
337		353
		354	my $value = $cf::RUNTIME + 90 + 10;
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	355	# 10 is the runtime save interval, for a monotonic clock
		356	# 60 allows for the watchdog to kill the server.
		357
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	359	and return;
341		360
342	aio_fsync $fh	361	aio_fsync $fh
343	and return;	362	and return;
…		…
352	}	371	}
353		372
354	=back	373	=back
355		374
356	=cut	375	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		376
480	#############################################################################	377	#############################################################################
481		378
482	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
483		380
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	507	our @CB_MAP = ();
611		508
612	my %attachment;	509	my %attachment;
613		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
614	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
616		519
617	use sort 'stable';	520	use sort 'stable';
618		521
…		…
789	# object support	692	# object support
790		693
791	sub reattach {	694	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		699
795	my $registry = $obj->registry;	700	my $registry = $obj->registry;
796		701
797	@$registry = ();	702	@$registry = ();
798		703
…		…
930	=cut	835	=cut
931		836
932	sub register_extcmd {	837	sub register_extcmd {
933	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
934		839
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
939	}	841	}
940		842
941	cf::player->attach (	843	cf::player->attach (
942	on_command => sub {	844	on_command => sub {
943	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
956		858
957	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
958		860
959	if (ref $msg) {	861	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	865	}
964	}	866	}
965	} else {	867	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		870
969	cf::override;	871	cf::override;
970	},	872	},
971	);	873	);
972		874
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	875	sub load_extension {
980	my ($path) = @_;	876	my ($path) = @_;
981		877
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;	879	my $base = $1;
984	my $pkg = $1;	880	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
987		883
988	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
989		885
990	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
991	or die "$path: $!";	887	or die "$path: $!";
992		888
993	my $source =	889	my $source =
994	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
997	. "\n};\n1";	893	. "\n};\n1";
998		894
999	eval $source	895	unless (eval $source) {
1000	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
1001	: "extension disabled.\n";	897	: "extension disabled.\n";
1002		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003	push @exts, $pkg;	899	warn $@;
1004	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
1005		901	exit 1;
1006	# no strict 'refs';	902	}
1007	# @{"$pkg\::ISA"} = ext::;	903	die $@;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }	904	}
1022		905
1023	# remove commands	906	push @EXTS, $pkg;
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}	907	}
1048		908
1049	sub load_extensions {	909	sub load_extensions {
1050	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	911	next unless -r $ext;
…		…
1055	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
1056	}	916	}
1057	}	917	}
1058		918
1059	#############################################################################	919	#############################################################################
1060	# load/save/clean perl data associated with a map
1061
1062	*cf::mapsupport::on_clean = sub {
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		920
1097	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1098		922
1099	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1100		924
…		…
1136		960
1137	sub exists($) {	961	sub exists($) {
1138	my ($login) = @_;	962	my ($login) = @_;
1139		963
1140	$cf::PLAYER{$login}	964	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	965	or cf::sync_job { !aio_stat path $login }
1142	}	966	}
1143		967
1144	sub find($) {	968	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	969	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	970	my $login = $_[0];
…		…
1225	my @logins;	1049	my @logins;
1226		1050
1227	for my $login (@$dirs) {	1051	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1053	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1054	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1055
1232	utf8::decode $login;	1056	utf8::decode $login;
1233	push @logins, $login;	1057	push @logins, $login;
1234	}	1058	}
1235		1059
1236	\@logins	1060	\@logins
1237	}	1061	}
1238		1062
1239	=item $player->maps	1063	=item $player->maps
1240		1064
1241	Returns an arrayref of cf::path's of all maps that are private for this	1065	Returns an arrayref of map paths that are private for this
1242	player. May block.	1066	player. May block.
1243		1067
1244	=cut	1068	=cut
1245		1069
1246	sub maps($) {	1070	sub maps($) {
…		…
1252	my @paths;	1076	my @paths;
1253		1077
1254	for (@$files) {	1078	for (@$files) {
1255	utf8::decode $_;	1079	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1080	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1081	next unless /^$PATH_SEP/o;
1258		1082
1259	s/$PATH_SEP/\//g;	1083	s/\.map$//;
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1261	}	1085	}
1262		1086
1263	\@paths	1087	\@paths
1264	}	1088	}
1265		1089
…		…
1291	package cf::map;	1115	package cf::map;
1292		1116
1293	use Fcntl;	1117	use Fcntl;
1294	use Coro::AIO;	1118	use Coro::AIO;
1295		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1296	our $MAX_RESET = 3600;	1124	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1125	our $DEFAULT_RESET = 3000;
1298		1126
1299	sub generate_random_map {	1127	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1130	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	=item cf::map->register ($regex, $prio)
		1146
		1147	Register a handler for the map path matching the given regex at the
		1148	givne priority (higher is better, built-in handlers have priority 0, the
		1149	default).
		1150
		1151	=cut
		1152
		1153	sub register {
		1154	my (undef, $regex, $prio) = @_;
		1155	my $pkg = caller;
		1156
		1157	no strict;
		1158	push @{"$pkg\::ISA"}, __PACKAGE__;
		1159
		1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1161	}
		1162
		1163	# also paths starting with '/'
		1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1165
		1166	sub thawer_merge {
		1167	my ($self, $merge) = @_;
		1168
		1169	# we have to keep some variables in memory intact
		1170	local $self->{path};
		1171	local $self->{load_path};
		1172	local $self->{deny_save};
		1173	local $self->{deny_reset};
		1174
		1175	$self->SUPER::thawer_merge ($merge);
		1176	}
		1177
		1178	sub normalise {
		1179	my ($path, $base) = @_;
		1180
		1181	# map plan:
		1182	#
		1183	# /! non-realised random map exit (special hack!)
		1184	# {... are special paths that are not being touched
		1185	# ?xxx/... are special absolute paths
		1186	# ?random/... random maps
		1187	# /... normal maps
		1188	# ~user/... per-player map of a specific user
		1189
		1190	$path =~ s/$PATH_SEP/\//go;
		1191
		1192	# treat it as relative path if it starts with
		1193	# something that looks reasonable
		1194	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1195	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1196
		1197	$base =~ s{[^/]+/?$}{};
		1198	$path = "$base/$path";
		1199	}
		1200
		1201	for ($path) {
		1202	redo if s{//}{/};
		1203	redo if s{/\.?/}{/};
		1204	redo if s{/[^/]+/\.\./}{/};
		1205	}
		1206
		1207	$path
		1208	}
		1209
		1210	sub new_from_path {
		1211	my (undef, $path, $base) = @_;
		1212
		1213	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1214
		1215	$path = normalise $path, $base;
		1216
		1217	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1218	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1219	my $self = bless cf::map::new, $pkg;
		1220	$self->{path} = $path; $self->path ($path);
		1221	$self->init; # pass $1 etc.
		1222	return $self;
		1223	}
		1224	}
		1225
		1226	Carp::carp "unable to resolve path '$path'.";
		1227	()
		1228	}
		1229
		1230	sub init {
		1231	my ($self) = @_;
		1232
		1233	$self
		1234	}
		1235
		1236	sub as_string {
		1237	my ($self) = @_;
		1238
		1239	"$self->{path}"
		1240	}
		1241
		1242	# the displayed name, this is a one way mapping
		1243	sub visible_name {
		1244	&as_string
		1245	}
		1246
		1247	# the original (read-only) location
		1248	sub load_path {
		1249	my ($self) = @_;
		1250
		1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1252	}
		1253
		1254	# the temporary/swap location
		1255	sub save_path {
		1256	my ($self) = @_;
		1257
		1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1260	}
		1261
		1262	# the unique path, undef == no special unique path
		1263	sub uniq_path {
		1264	my ($self) = @_;
		1265
		1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1316	}	1268	}
1317		1269
1318	# and all this just because we cannot iterate over	1270	# and all this just because we cannot iterate over
1319	# all maps in C++...	1271	# all maps in C++...
1320	sub change_all_map_light {	1272	sub change_all_map_light {
…		…
1322		1274
1323	$_->change_map_light ($change)	1275	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1276	for grep $_->outdoor, values %cf::MAP;
1325	}	1277	}
1326		1278
		1279	sub unlink_save {
		1280	my ($self) = @_;
		1281
		1282	utf8::encode (my $save = $self->save_path);
		1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1284	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1285	}
		1286
1327	sub try_load_header($) {	1287	sub load_header_from($) {
1328	my ($path) = @_;	1288	my ($self, $path) = @_;
1329		1289
1330	utf8::encode $path;	1290	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1291	aio_open $path, O_RDONLY, 0
1332	or return;	1292	or return;
1333		1293
1334	my $map = cf::map::new	1294	$self->_load_header ($path)
1335	or return;	1295	or return;
1336		1296
1337	# for better error messages only, will be overwritten	1297	$self->{load_path} = $path;
1338	$map->path ($path);
1339		1298
1340	$map->load_header ($path)	1299	1
		1300	}
		1301
		1302	sub load_orig {
		1303	my ($self) = @_;
		1304
		1305	$self->load_header_from ($self->load_path)
		1306	}
		1307
		1308	sub load_temp {
		1309	my ($self) = @_;
		1310
		1311	$self->load_header_from ($self->save_path)
		1312	}
		1313
		1314	sub load_header {
		1315	my ($self) = @_;
		1316
		1317	if ($self->load_temp) {
		1318	$self->last_access ((delete $self->{last_access})
		1319	|| $cf::RUNTIME); #d#
		1320	# safety
		1321	$self->{instantiate_time} = $cf::RUNTIME
		1322	if $self->{instantiate_time} > $cf::RUNTIME;
		1323	} else {
		1324	$self->load_orig
1341	or return;	1325	or return;
1342		1326
1343	$map->{load_path} = $path;	1327	$self->{load_original} = 1;
		1328	$self->{instantiate_time} = $cf::RUNTIME;
		1329	$self->last_access ($cf::RUNTIME);
		1330	$self->instantiate;
		1331	}
1344		1332
1345	$map	1333	1
1346	}	1334	}
1347		1335
1348	sub find;	1336	sub find;
1349	sub find {	1337	sub find {
1350	my ($path, $origin) = @_;	1338	my ($path, $origin) = @_;
1351		1339
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1340	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1341
1357	cf::lock_wait "map_find:$key";	1342	cf::lock_wait "map_find:$path";
1358		1343
1359	$cf::MAP{$key} || do {	1344	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1345	my $guard = cf::lock_acquire "map_find:$path";
1361		1346	my $map = new_from_path cf::map $path
1362	# do it the slow way
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1347	or return;
1381		1348
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1349	$map->{last_save} = $cf::RUNTIME;
1394		1350
1395	Coro::cede;	1351	$map->load_header
		1352	or return;
1396		1353
1397	if ($map->should_reset) {	1354	if ($map->should_reset) {
		1355	# doing this can freeze the server in a sync job, obviously
		1356	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1357	$map->reset;
1399	undef $guard;	1358	undef $guard;
1400	$map = find $path	1359	$map = find $path
1401	or return;	1360	or return;
1402	}	1361	}
1403		1362
1404	$cf::MAP{$key} = $map	1363	$cf::MAP{$path} = $map
1405	}	1364	}
1406	}	1365	}
1407		1366
1408	sub load {	1367	sub load {
1409	my ($self) = @_;	1368	my ($self) = @_;
1410		1369
1411	my $path = $self->{path};	1370	my $path = $self->{path};
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1371	my $guard = cf::lock_acquire "map_load:$path";
1413		1372
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1373	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1374
1416	$self->in_memory (cf::MAP_LOADING);	1375	$self->in_memory (cf::MAP_LOADING);
1417		1376
1418	$self->alloc;	1377	$self->alloc;
1419	$self->load_objects ($self->{load_path}, 1)	1378	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1379	or return;
1421		1380
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1382	if delete $self->{load_original};
1424		1383
1425	if (my $uniq = $path->uniq_path) {	1384	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1385	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1386	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1387	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1388	$self->_load_objects ($uniq, 0);
1430	}	1389	}
1431	}	1390	}
1432		1391
1433	Coro::cede;	1392	Coro::cede;
1434		1393
1435	# now do the right thing for maps	1394	# now do the right thing for maps
1436	$self->link_multipart_objects;	1395	$self->link_multipart_objects;
1437		1396
1438	if ($self->{path}->is_style_map) {	1397	unless ($self->{deny_activate}) {
1439	$self->{deny_save} = 1;	1398	$self->decay_objects;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;	1399	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;	1400	$self->update_buttons;
		1401	Coro::cede;
1445	$self->set_darkness_map;	1402	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1403	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1404	unless $self->difficulty;
		1405	Coro::cede;
1448	$self->activate;	1406	$self->activate;
1449	}	1407	}
1450		1408
1451	Coro::cede;
1452
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1409	$self->in_memory (cf::MAP_IN_MEMORY);
		1410	}
		1411
		1412	sub customise_for {
		1413	my ($self, $ob) = @_;
		1414
		1415	return find "~" . $ob->name . "/" . $self->{path}
		1416	if $self->per_player;
		1417
		1418	$self
		1419	}
		1420
		1421	# find and load all maps in the 3x3 area around a map
		1422	sub load_diag {
		1423	my ($map) = @_;
		1424
		1425	my @diag; # diagonal neighbours
		1426
		1427	for (0 .. 3) {
		1428	my $neigh = $map->tile_path ($_)
		1429	or next;
		1430	$neigh = find $neigh, $map
		1431	or next;
		1432	$neigh->load;
		1433
		1434	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1435	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1436	}
		1437
		1438	for (@diag) {
		1439	my $neigh = find @$_
		1440	or next;
		1441	$neigh->load;
		1442	}
1454	}	1443	}
1455		1444
1456	sub find_sync {	1445	sub find_sync {
1457	my ($path, $origin) = @_;	1446	my ($path, $origin) = @_;
1458		1447
1459	cf::sync_job { cf::map::find $path, $origin }	1448	cf::sync_job { find $path, $origin }
1460	}	1449	}
1461		1450
1462	sub do_load_sync {	1451	sub do_load_sync {
1463	my ($map) = @_;	1452	my ($map) = @_;
1464		1453
1465	cf::sync_job { $map->load };	1454	cf::sync_job { $map->load };
1466	}	1455	}
1467		1456
		1457	our %MAP_PREFETCH;
		1458	our $MAP_PREFETCHER = undef;
		1459
		1460	sub find_async {
		1461	my ($path, $origin) = @_;
		1462
		1463	$path = normalise $path, $origin && $origin->{path};
		1464
		1465	if (my $map = $cf::MAP{$path}) {
		1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1467	}
		1468
		1469	undef $MAP_PREFETCH{$path};
		1470	$MAP_PREFETCHER ||= cf::async {
		1471	while (%MAP_PREFETCH) {
		1472	for my $path (keys %MAP_PREFETCH) {
		1473	my $map = find $path
		1474	or next;
		1475	$map->load;
		1476
		1477	delete $MAP_PREFETCH{$path};
		1478	}
		1479	}
		1480	undef $MAP_PREFETCHER;
		1481	};
		1482
		1483	()
		1484	}
		1485
1468	sub save {	1486	sub save {
1469	my ($self) = @_;	1487	my ($self) = @_;
1470		1488
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1489	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1490
1473	$self->{last_save} = $cf::RUNTIME;	1491	$self->{last_save} = $cf::RUNTIME;
1474		1492
1475	return unless $self->dirty;	1493	return unless $self->dirty;
1476		1494
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1495	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1497
1480	$self->{load_path} = $save;	1498	$self->{load_path} = $save;
1481		1499
1482	return if $self->{deny_save};	1500	return if $self->{deny_save};
1483		1501
…		…
1486	cf::async {	1504	cf::async {
1487	$_->contr->save for $self->players;	1505	$_->contr->save for $self->players;
1488	};	1506	};
1489		1507
1490	if ($uniq) {	1508	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1509	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1510	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1511	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1512	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1513	}
1496	}	1514	}
1497		1515
1498	sub swap_out {	1516	sub swap_out {
1499	my ($self) = @_;	1517	my ($self) = @_;
…		…
1513		1531
1514	sub reset_at {	1532	sub reset_at {
1515	my ($self) = @_;	1533	my ($self) = @_;
1516		1534
1517	# TODO: safety, remove and allow resettable per-player maps	1535	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};	1536	return 1e99 if $self->isa ("ext::map_per_player");#d#
1519	return 1e99 if $self->{deny_reset};	1537	return 1e99 if $self->{deny_reset};
1520		1538
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1541
…		…
1528	my ($self) = @_;	1546	my ($self) = @_;
1529		1547
1530	$self->reset_at <= $cf::RUNTIME	1548	$self->reset_at <= $cf::RUNTIME
1531	}	1549	}
1532		1550
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	1551	sub reset {
1555	my ($self) = @_;	1552	my ($self) = @_;
1556		1553
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1554	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1555
1559	return if $self->players;	1556	return if $self->players;
1560	return if $self->{path}{user_rel};#d#	1557	return if $self->isa ("ext::map_per_player");#d#
1561		1558
1562	warn "resetting map ", $self->path;#d#	1559	warn "resetting map ", $self->path;#d#
1563		1560
1564	delete $cf::MAP{$self->path};	1561	delete $cf::MAP{$self->path};
		1562
		1563	$self->in_memory (cf::MAP_SWAPPED);
		1564	$self->clear;
1565		1565
1566	$_->clear_links_to ($self) for values %cf::MAP;	1566	$_->clear_links_to ($self) for values %cf::MAP;
1567		1567
1568	$self->unlink_save;	1568	$self->unlink_save;
1569	$self->destroy;	1569	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1572	my $nuke_counter = "aaaa";
1573		1573
1574	sub nuke {	1574	sub nuke {
1575	my ($self) = @_;	1575	my ($self) = @_;
1576		1576
		1577	delete $cf::MAP{$self->path};
		1578
		1579	$self->unlink_save;
		1580
		1581	bless $self, "cf::map";
		1582	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1583	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1584	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1585	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1586
		1587	$cf::MAP{$self->path} = $self;
		1588
1580	$self->reset; # polite request, might not happen	1589	$self->reset; # polite request, might not happen
1581	}	1590	}
1582		1591
1583	sub customise_for {	1592	=item cf::map::unique_maps
1584	my ($map, $ob) = @_;
1585		1593
1586	if ($map->per_player) {	1594	Returns an arrayref of paths of all shared maps that have
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1595	instantiated unique items. May block.
1588	}
1589		1596
1590	$map	1597	=cut
1591	}
1592		1598
1593	sub emergency_save {	1599	sub unique_maps() {
1594	my $freeze_guard = cf::freeze_mainloop;	1600	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1601	or return;
1595		1602
1596	warn "enter emergency perl save\n";	1603	my @paths;
1597		1604
1598	cf::sync_job {	1605	for (@$files) {
1599	warn "begin emergency player save\n";	1606	utf8::decode $_;
1600	$_->save for values %cf::PLAYER;	1607	next if /\.pst$/;
1601	warn "end emergency player save\n";	1608	next unless /^$PATH_SEP/o;
1602		1609
1603	warn "begin emergency map save\n";	1610	s/\.map$//;
1604	$_->save for values %cf::MAP;	1611	push @paths, $_;
1605	warn "end emergency map save\n";
1606	};	1612	}
1607		1613
1608	warn "leave emergency perl save\n";	1614	\@paths
1609	}	1615	}
1610		1616
1611	package cf;	1617	package cf;
1612		1618
1613	=back	1619	=back
1614		1620
		1621	=head3 cf::object
		1622
		1623	=cut
		1624
		1625	package cf::object;
		1626
		1627	=over 4
		1628
		1629	=item $ob->inv_recursive
		1630
		1631	Returns the inventory of the object _and_ their inventories, recursively.
		1632
		1633	=cut
		1634
		1635	sub inv_recursive_;
		1636	sub inv_recursive_ {
		1637	map { $_, inv_recursive_ $_->inv } @_
		1638	}
		1639
		1640	sub inv_recursive {
		1641	inv_recursive_ inv $_[0]
		1642	}
		1643
		1644	package cf;
		1645
		1646	=back
1615		1647
1616	=head3 cf::object::player	1648	=head3 cf::object::player
1617		1649
1618	=over 4	1650	=over 4
1619		1651
…		…
1659		1691
1660	=item $player_object->enter_link	1692	=item $player_object->enter_link
1661		1693
1662	Freezes the player and moves him/her to a special map (C<{link}>).	1694	Freezes the player and moves him/her to a special map (C<{link}>).
1663		1695
1664	The player should be reaosnably safe there for short amounts of time. You	1696	The player should be reasonably safe there for short amounts of time. You
1665	I<MUST> call C<leave_link> as soon as possible, though.	1697	I<MUST> call C<leave_link> as soon as possible, though.
1666		1698
		1699	Will never block.
		1700
1667	=item $player_object->leave_link ($map, $x, $y)	1701	=item $player_object->leave_link ($map, $x, $y)
1668		1702
1669	Moves the player out of the specila link map onto the given map. If the	1703	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	1704	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	1705	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	1706	fails, to the emergency map position.
1673		1707
1674	Might block.	1708	Might block.
1675		1709
1676	=cut	1710	=cut
		1711
		1712	sub link_map {
		1713	unless ($LINK_MAP) {
		1714	$LINK_MAP = cf::map::find "{link}"
		1715	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1716	$LINK_MAP->load;
		1717	}
		1718
		1719	$LINK_MAP
		1720	}
1677		1721
1678	sub cf::object::player::enter_link {	1722	sub cf::object::player::enter_link {
1679	my ($self) = @_;	1723	my ($self) = @_;
1680		1724
1681	$self->deactivate_recursive;	1725	$self->deactivate_recursive;
1682		1726
1683	return if $self->map == $LINK_MAP;	1727	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		1728
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1729	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	1730	if $self->map;
1687		1731
1688	$self->enter_map ($LINK_MAP, 20, 20);	1732	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1689	}	1733	}
1690		1734
1691	sub cf::object::player::leave_link {	1735	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	1736	my ($self, $map, $x, $y) = @_;
1693		1737
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	1755	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	1756	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	1757	if $x <=0 && $y <= 0;
1714		1758
1715	$map->load;	1759	$map->load;
		1760	$map->load_diag;
1716		1761
1717	return unless $self->contr->active;	1762	return unless $self->contr->active;
1718	$self->activate_recursive;	1763	$self->activate_recursive;
1719	$self->enter_map ($map, $x, $y);	1764	$self->enter_map ($map, $x, $y);
1720	}	1765	}
…		…
1756	=cut	1801	=cut
1757		1802
1758	sub cf::object::player::goto {	1803	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	1804	my ($self, $path, $x, $y) = @_;
1760		1805
1761	$path = new cf::path $path;
1762	$path ne "/" or Carp::cluck ("oy");#d#
1763
1764	$self->enter_link;	1806	$self->enter_link;
1765		1807
1766	(async {	1808	(async {
1767	my $map = cf::map::find $path->as_string;	1809	my $map = cf::map::find $path;
1768	$map = $map->customise_for ($self) if $map;	1810	$map = $map->customise_for ($self) if $map;
1769		1811
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	1812	# warn "entering ", $map->path, " at ($x, $y)\n"
1771	# if $map;	1813	# if $map;
1772		1814
…		…
1782		1824
1783	sub parse_random_map_params {	1825	sub parse_random_map_params {
1784	my ($spec) = @_;	1826	my ($spec) = @_;
1785		1827
1786	my $rmp = { # defaults	1828	my $rmp = { # defaults
1787	xsize => 10,	1829	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	1830	ysize => (cf::rndm 15, 40),
		1831	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1832	#layout => string,
1789	};	1833	};
1790		1834
1791	for (split /\n/, $spec) {	1835	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	1836	my ($k, $v) = split /\s+/, $_, 2;
1793		1837
…		…
1797	$rmp	1841	$rmp
1798	}	1842	}
1799		1843
1800	sub prepare_random_map {	1844	sub prepare_random_map {
1801	my ($exit) = @_;	1845	my ($exit) = @_;
		1846
		1847	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		1848
1803	# all this does is basically replace the /! path by	1849	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	1850	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	1851	# that depends on the exit object
1806		1852
…		…
1815		1861
1816	$rmp->{random_seed} ||= $exit->random_seed;	1862	$rmp->{random_seed} ||= $exit->random_seed;
1817		1863
1818	my $data = cf::to_json $rmp;	1864	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	1865	my $md5 = Digest::MD5::md5_hex $data;
		1866	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820		1867
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1868	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	1869	aio_write $fh, 0, (length $data), $data, 0;
		1870	undef $fh;
		1871	aio_rename "$meta~", $meta;
1823		1872
1824	$exit->slaying ("?random/$md5");	1873	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	1874	$exit->msg (undef);
1826	}	1875	}
1827	}	1876	}
…		…
1837	$self->deactivate_recursive; # just to be sure	1886	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	1887	unless (eval {
1839	prepare_random_map $exit	1888	prepare_random_map $exit
1840	if $exit->slaying eq "/!";	1889	if $exit->slaying eq "/!";
1841		1890
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1891	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		1893
1845	1;	1894	1;
1846	}) {	1895	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	1896	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	1897	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	1898	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	1899	cf::NDI_UNIQUE | cf::NDI_RED);
1851		1900
1852	warn "ERROR in enter_exit: $@";	1901	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	1902	$self->leave_link;
1854	}	1903	}
…		…
2137	sub db_sync() {	2186	sub db_sync() {
2138	db_save if $dirty;	2187	db_save if $dirty;
2139	undef $dirty;	2188	undef $dirty;
2140	}	2189	}
2141		2190
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2191	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;	2192	db_sync;
2144	});	2193	});
2145		2194
2146	sub db_dirty() {	2195	sub db_dirty() {
2147	$dirty = 1;	2196	$dirty = 1;
…		…
2197		2246
2198	sub main {	2247	sub main {
2199	# we must not ever block the main coroutine	2248	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2249	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2250	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2251	(async {
2202	async { Event::one_event };	2252	Event::one_event;
		2253	})->prio (Coro::PRIO_MAX);
2203	};	2254	};
2204		2255
2205	cfg_load;	2256	cfg_load;
2206	db_load;	2257	db_load;
2207	load_extensions;	2258	load_extensions;
		2259
		2260	$TICK_WATCHER->start;
2208	Event::loop;	2261	Event::loop;
2209	}	2262	}
2210		2263
2211	#############################################################################	2264	#############################################################################
2212	# initialisation	2265	# initialisation and cleanup
		2266
		2267	# install some emergency cleanup handlers
		2268	BEGIN {
		2269	for my $signal (qw(INT HUP TERM)) {
		2270	Event->signal (
		2271	data => WF_AUTOCANCEL,
		2272	signal => $signal,
		2273	cb => sub {
		2274	cf::cleanup "SIG$signal";
		2275	},
		2276	);
		2277	}
		2278	}
		2279
		2280	sub emergency_save() {
		2281	my $freeze_guard = cf::freeze_mainloop;
		2282
		2283	warn "enter emergency perl save\n";
		2284
		2285	cf::sync_job {
		2286	# use a peculiar iteration method to avoid tripping on perl
		2287	# refcount bugs in for. also avoids problems with players
		2288	# and maps saved/destroyed asynchronously.
		2289	warn "begin emergency player save\n";
		2290	for my $login (keys %cf::PLAYER) {
		2291	my $pl = $cf::PLAYER{$login} or next;
		2292	$pl->valid or next;
		2293	$pl->save;
		2294	}
		2295	warn "end emergency player save\n";
		2296
		2297	warn "begin emergency map save\n";
		2298	for my $path (keys %cf::MAP) {
		2299	my $map = $cf::MAP{$path} or next;
		2300	$map->valid or next;
		2301	$map->save;
		2302	}
		2303	warn "end emergency map save\n";
		2304	};
		2305
		2306	warn "leave emergency perl save\n";
		2307	}
2213		2308
2214	sub reload() {	2309	sub reload() {
2215	# can/must only be called in main	2310	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2311	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2312	warn "can only reload from main coroutine";
2218	return;	2313	return;
2219	}	2314	}
2220		2315
2221	warn "reloading...";	2316	warn "reloading...";
2222		2317
2223	my $guard = freeze_mainloop;	2318	warn "cancelling server ticker";
		2319	$TICK_WATCHER->cancel;
		2320
2224	cf::emergency_save;	2321	cf::emergency_save;
2225		2322
2226	eval {	2323	eval {
2227	# if anything goes wrong in here, we should simply crash as we already saved	2324	# if anything goes wrong in here, we should simply crash as we already saved
2228		2325
2229	# cancel all watchers	2326	warn "syncing database to disk";
		2327	cf::db_sync;
		2328
		2329	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2330	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2331	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2332	}
2233		2333
		2334	warn "flushing outstanding aio requests";
		2335	for (;;) {
		2336	IO::AIO::flush;
		2337	Coro::cede;
		2338	last unless IO::AIO::nreqs;
		2339	warn "iterate...";
		2340	}
		2341
2234	# cancel all extension coros	2342	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2343	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2344	%EXT_CORO = ();
2237		2345
2238	# unload all extensions	2346	warn "removing commands";
2239	for (@exts) {	2347	%COMMAND = ();
		2348
		2349	warn "removing ext commands";
		2350	%EXTCMD = ();
		2351
		2352	warn "unloading/nuking all extensions";
		2353	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2354	warn "... unloading $pkg";
2241	unload_extension $_;	2355
		2356	if (my $cb = $pkg->can ("unload")) {
		2357	eval {
		2358	$cb->($pkg);
		2359	1
		2360	} or warn "$pkg unloaded, but with errors: $@";
2242	}	2361	}
2243		2362
		2363	warn "... nuking $pkg";
		2364	Symbol::delete_package $pkg;
		2365	}
		2366
2244	# unload all modules loaded from $LIBDIR	2367	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2368	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2369	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2370
2248	warn "removing <$k>";	2371	warn "... unloading $k";
2249	delete $INC{$k};	2372	delete $INC{$k};
2250		2373
2251	$k =~ s/\.pm$//;	2374	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2375	$k =~ s/\//::/g;
2253		2376
…		…
2256	}	2379	}
2257		2380
2258	Symbol::delete_package $k;	2381	Symbol::delete_package $k;
2259	}	2382	}
2260		2383
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2384	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2385	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2386	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		2387
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2388	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2389	delete $INC{"cf.pm"};
2274		2390
2275	# don't, removes xs symbols, too,	2391	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2392	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2393	#Symbol::delete_package __PACKAGE__;
2278		2394
2279	# reload cf.pm	2395	warn "unload completed, starting to reload now";
		2396
2280	warn "reloading cf.pm";	2397	warn "reloading cf.pm";
2281	require cf;	2398	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2400
2284	# load config and database again	2401	warn "loading config and database again";
2285	cf::cfg_load;	2402	cf::cfg_load;
2286	cf::db_load;	2403	cf::db_load;
2287		2404
2288	# load extensions
2289	warn "load extensions";	2405	warn "loading extensions";
2290	cf::load_extensions;	2406	cf::load_extensions;
2291		2407
2292	# reattach attachments to objects	2408	warn "reattaching attachments to objects/players";
2293	warn "reattach";
2294	_global_reattach;	2409	_global_reattach;
		2410	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2411	reattach $_ for values %MAP;
		2412
		2413	warn "restarting server ticker";
		2414
		2415	$TICK_WATCHER->start;
2296	};	2416	};
2297		2417
2298	if ($@) {	2418	if ($@) {
2299	warn $@;	2419	warn $@;
2300	warn "error while reloading, exiting.";	2420	warn "error while reloading, exiting.";
2301	exit 1;	2421	exit 1;
2302	}	2422	}
2303		2423
2304	warn "reloaded successfully";	2424	warn "reloaded";
2305	};	2425	};
2306		2426
2307	#############################################################################	2427	our $RELOAD_WATCHER; # used only during reload
2308
2309	unless ($LINK_MAP) {
2310	$LINK_MAP = cf::map::new;
2311
2312	$LINK_MAP->width (41);
2313	$LINK_MAP->height (41);
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,
2322	cb => sub {
2323	$_[0]->w->cancel;
2324
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});
2343
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}
2349
2350	register "<global>", __PACKAGE__;
2351		2428
2352	register_command "reload" => sub {	2429	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2430	my ($who, $arg) = @_;
2354		2431
2355	if ($who->flag (FLAG_WIZ)) {	2432	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");	2433	$who->message ("reloading server.");
		2434
		2435	# doing reload synchronously and two reloads happen back-to-back,
		2436	# coro crashes during coro_state_free->destroy here.
		2437
		2438	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2357	reload;	2439	reload;
2358	$who->message ("end of reload.");	2440	undef $RELOAD_WATCHER;
		2441	});
2359	}	2442	}
2360	};	2443	};
2361		2444
2362	unshift @INC, $LIBDIR;	2445	unshift @INC, $LIBDIR;
		2446
		2447	my $bug_warning = 0;
2363		2448
2364	$TICK_WATCHER = Event->timer (	2449	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2450	reentrant => 0,
		2451	parked => 1,
2366	prio => 0,	2452	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2453	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2454	data => WF_AUTOCANCEL,
2369	cb => sub {	2455	cb => sub {
		2456	if ($Coro::current != $Coro::main) {
		2457	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2458	unless ++$bug_warning > 10;
		2459	return;
		2460	}
		2461
		2462	$NOW = Event::time;
		2463
2370	cf::server_tick; # one server iteration	2464	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;	2465	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2466	$NEXT_TICK += $TICK;
		2467
		2468	$WAIT_FOR_TICK->broadcast;
		2469	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2373		2470
2374	# if we are delayed by four ticks or more, skip them all	2471	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2472	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		2473
2377	$TICK_WATCHER->at ($NEXT_TICK);	2474	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2379	},	2476	},
2380	);	2477	);
2381		2478
2382	IO::AIO::max_poll_time $TICK * 0.2;	2479	IO::AIO::max_poll_time $TICK * 0.2;
2383		2480
2384	Event->io (	2481	$AIO_POLL_WATCHER = Event->io (
2385	fd => IO::AIO::poll_fileno,	2482	fd => IO::AIO::poll_fileno,
2386	poll => 'r',	2483	poll => 'r',
2387	prio => 5,	2484	prio => 5,
2388	data => WF_AUTOCANCEL,	2485	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,	2486	cb => \&IO::AIO::poll_cb,
2390	);	2487	);
2391		2488
2392	Event->timer (	2489	$WRITE_RUNTIME_WATCHER = Event->timer (
2393	data => WF_AUTOCANCEL,	2490	data => WF_AUTOCANCEL,
2394	after => 0,	2491	after => 1,
2395	interval => 10,	2492	interval => 10,
2396	cb => sub {	2493	prio => 6, # keep it lowest so it acts like a watchdog
2397	(Coro::unblock_sub {	2494	cb => Coro::unblock_sub {
2398	write_runtime	2495	write_runtime
2399	or warn "ERROR: unable to write runtime file: $!";	2496	or warn "ERROR: unable to write runtime file: $!";
2400	})->();
2401	},	2497	},
2402	);	2498	);
2403		2499
2404	END { cf::emergency_save }	2500	END { cf::emergency_save }
2405		2501

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