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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.202 by root, Mon Jan 29 20:16:28 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;
…		…
33		33
34	$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
35		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
58		63
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= 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
61		69
62	binmode STDOUT;	70	binmode STDOUT;
63	binmode STDERR;	71	binmode STDERR;
64		72
65	# read virtual server time, if available	73	# read virtual server time, if available
…		…
73	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
77		85
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
		87
		88	sub cf::map::normalise;
81		89
82	#############################################################################	90	#############################################################################
83		91
84	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
85		93
…		…
156	}	164	}
157		165
158	$Event::DIED = sub {	166	$Event::DIED = sub {
159	warn "error in event callback: @_";	167	warn "error in event callback: @_";
160	};	168	};
161
162	my %ext_pkg;
163	my @exts;
164	my @hook;
165		169
166	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
167		171
168	=over 4	172	=over 4
169		173
…		…
257	}	261	}
258		262
259	sub freeze_mainloop {	263	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
261		265
262	my $guard = Coro::guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	$WRITE_RUNTIME_WATCHER->start;
		269	};
		270	$WRITE_RUNTIME_WATCHER->stop;
263	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
264	$guard	272	$guard
265	}	273	}
266		274
267	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
319	}	327	}
320	}	328	}
321		329
322	=item $coro = cf::async_ext { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
323		331
324	Like async, but this coro is automcatially being canceled when the	332	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	333	extension calling this is being unloaded.
326		334
327	=cut	335	=cut
328		336
329	sub async_ext(&) {	337	sub async_ext(&) {
…		…
343	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
344		352
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	354	or return;
347		355
		356	my $value = $cf::RUNTIME + 90 + 10;
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	361	and return;
351		362
352	aio_fsync $fh	363	aio_fsync $fh
353	and return;	364	and return;
…		…
362	}	373	}
363		374
364	=back	375	=back
365		376
366	=cut	377	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494		378
495	#############################################################################	379	#############################################################################
496		380
497	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
498		382
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	509	our @CB_MAP = ();
626		510
627	my %attachment;	511	my %attachment;
628		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
629	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
631		521
632	use sort 'stable';	522	use sort 'stable';
633		523
…		…
804	# object support	694	# object support
805		695
806	sub reattach {	696	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		701
810	my $registry = $obj->registry;	702	my $registry = $obj->registry;
811		703
812	@$registry = ();	704	@$registry = ();
813		705
…		…
884	}	776	}
885	} else {	777	} else {
886	aio_unlink $filename;	778	aio_unlink $filename;
887	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
888	}	780	}
		781
		782	#d##TODO# nuke non .map-files if exist
		783	if ($filename =~ s/\.map$//) {
		784	aio_unlink $filename;
		785	aio_unlink "$filename.pst";
		786	}
889	}	787	}
890	}	788	}
891		789
892	sub object_freezer_as_string {	790	sub object_freezer_as_string {
893	my ($rdata, $objs) = @_;	791	my ($rdata, $objs) = @_;
…		…
899		797
900	sub object_thawer_load {	798	sub object_thawer_load {
901	my ($filename) = @_;	799	my ($filename) = @_;
902		800
903	my ($data, $av);	801	my ($data, $av);
		802
		803	#d#TODO remove .map if file does not exist
		804	aio_stat $filename and $filename =~ s/\.map$//;
904		805
905	(aio_load $filename, $data) >= 0	806	(aio_load $filename, $data) >= 0
906	or return;	807	or return;
907		808
908	unless (aio_stat "$filename.pst") {	809	unless (aio_stat "$filename.pst") {
…		…
945	=cut	846	=cut
946		847
947	sub register_extcmd {	848	sub register_extcmd {
948	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
949		850
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
954	}	852	}
955		853
956	cf::player->attach (	854	cf::player->attach (
957	on_command => sub {	855	on_command => sub {
958	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
971		869
972	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
973		871
974	if (ref $msg) {	872	if (ref $msg) {
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
977	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
978	}	876	}
979	}	877	}
980	} else {	878	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
983		881
984	cf::override;	882	cf::override;
985	},	883	},
986	);	884	);
987		885
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {	886	sub load_extension {
995	my ($path) = @_;	887	my ($path) = @_;
996		888
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;	890	my $base = $1;
999	my $pkg = $1;	891	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
1002		894
1003	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
1004		896
1005	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
1006	or die "$path: $!";	898	or die "$path: $!";
1007		899
1008	my $source =	900	my $source =
1009	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
1012	. "\n};\n1";	904	. "\n};\n1";
1013		905
1014	eval $source	906	unless (eval $source) {
1015	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
1016	: "extension disabled.\n";	908	: "extension disabled.\n";
1017		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1018	push @exts, $pkg;	910	warn $@;
1019	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
1020		912	exit 1;
1021	# no strict 'refs';	913	}
1022	# @{"$pkg\::ISA"} = ext::;	914	die $@;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }	915	}
1037		916
1038	# remove commands	917	push @EXTS, $pkg;
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}
1047	}
1048
1049	# remove extcmds
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}	918	}
1063		919
1064	sub load_extensions {	920	sub load_extensions {
1065	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	922	next unless -r $ext;
…		…
1070	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1071	}	927	}
1072	}	928	}
1073		929
1074	#############################################################################	930	#############################################################################
1075	# load/save/clean perl data associated with a map
1076
1077	*cf::mapsupport::on_clean = sub {
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		931
1090	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1091		933
1092	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1093		935
…		…
1129		971
1130	sub exists($) {	972	sub exists($) {
1131	my ($login) = @_;	973	my ($login) = @_;
1132		974
1133	$cf::PLAYER{$login}	975	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	976	or cf::sync_job { !aio_stat path $login }
1135	}	977	}
1136		978
1137	sub find($) {	979	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	980	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	981	my $login = $_[0];
…		…
1229	\@logins	1071	\@logins
1230	}	1072	}
1231		1073
1232	=item $player->maps	1074	=item $player->maps
1233		1075
1234	Returns an arrayref of cf::path's of all maps that are private for this	1076	Returns an arrayref of map paths that are private for this
1235	player. May block.	1077	player. May block.
1236		1078
1237	=cut	1079	=cut
1238		1080
1239	sub maps($) {	1081	sub maps($) {
1240	my ($pl) = @_;	1082	my ($pl) = @_;
		1083
		1084	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1085
1242	my $files = aio_readdir playerdir $pl	1086	my $files = aio_readdir playerdir $pl
1243	or return;	1087	or return;
1244		1088
1245	my @paths;	1089	my @paths;
…		…
1247	for (@$files) {	1091	for (@$files) {
1248	utf8::decode $_;	1092	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1093	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1094	next unless /^$PATH_SEP/o;
1251		1095
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1096	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1097	}
1254		1098
1255	\@paths	1099	\@paths
1256	}	1100	}
1257		1101
…		…
1283	package cf::map;	1127	package cf::map;
1284		1128
1285	use Fcntl;	1129	use Fcntl;
1286	use Coro::AIO;	1130	use Coro::AIO;
1287		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1288	our $MAX_RESET = 3600;	1136	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1137	our $DEFAULT_RESET = 3000;
1290		1138
1291	sub generate_random_map {	1139	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1142	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1153	(cf::region::find $rmp->{region}), $rmp->{custom}
		1154	)
		1155	}
		1156
		1157	=item cf::map->register ($regex, $prio)
		1158
		1159	Register a handler for the map path matching the given regex at the
		1160	givne priority (higher is better, built-in handlers have priority 0, the
		1161	default).
		1162
		1163	=cut
		1164
		1165	sub register {
		1166	my (undef, $regex, $prio) = @_;
		1167	my $pkg = caller;
		1168
		1169	no strict;
		1170	push @{"$pkg\::ISA"}, __PACKAGE__;
		1171
		1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1173	}
		1174
		1175	# also paths starting with '/'
		1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1177
		1178	sub thawer_merge {
		1179	my ($self, $merge) = @_;
		1180
		1181	# we have to keep some variables in memory intact
		1182	local $self->{path};
		1183	local $self->{load_path};
		1184	local $self->{deny_save};
		1185	local $self->{deny_reset};
		1186
		1187	$self->SUPER::thawer_merge ($merge);
		1188	}
		1189
		1190	sub normalise {
		1191	my ($path, $base) = @_;
		1192
		1193	$path = "$path"; # make sure its a string
		1194
		1195	$path =~ s/\.map$//;
		1196
		1197	# map plan:
		1198	#
		1199	# /! non-realised random map exit (special hack!)
		1200	# {... are special paths that are not being touched
		1201	# ?xxx/... are special absolute paths
		1202	# ?random/... random maps
		1203	# /... normal maps
		1204	# ~user/... per-player map of a specific user
		1205
		1206	$path =~ s/$PATH_SEP/\//go;
		1207
		1208	# treat it as relative path if it starts with
		1209	# something that looks reasonable
		1210	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1211	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1212
		1213	$base =~ s{[^/]+/?$}{};
		1214	$path = "$base/$path";
		1215	}
		1216
		1217	for ($path) {
		1218	redo if s{//}{/};
		1219	redo if s{/\.?/}{/};
		1220	redo if s{/[^/]+/\.\./}{/};
		1221	}
		1222
		1223	$path
		1224	}
		1225
		1226	sub new_from_path {
		1227	my (undef, $path, $base) = @_;
		1228
		1229	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1230
		1231	$path = normalise $path, $base;
		1232
		1233	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1234	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1235	my $self = bless cf::map::new, $pkg;
		1236	$self->{path} = $path; $self->path ($path);
		1237	$self->init; # pass $1 etc.
		1238	return $self;
		1239	}
		1240	}
		1241
		1242	Carp::carp "unable to resolve path '$path' (base '$base').";
		1243	()
		1244	}
		1245
		1246	sub init {
		1247	my ($self) = @_;
		1248
		1249	$self
		1250	}
		1251
		1252	sub as_string {
		1253	my ($self) = @_;
		1254
		1255	"$self->{path}"
		1256	}
		1257
		1258	# the displayed name, this is a one way mapping
		1259	sub visible_name {
		1260	&as_string
		1261	}
		1262
		1263	# the original (read-only) location
		1264	sub load_path {
		1265	my ($self) = @_;
		1266
		1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1268	}
		1269
		1270	# the temporary/swap location
		1271	sub save_path {
		1272	my ($self) = @_;
		1273
		1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1276	}
		1277
		1278	# the unique path, undef == no special unique path
		1279	sub uniq_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1308	}	1284	}
1309		1285
1310	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1311	# all maps in C++...	1287	# all maps in C++...
1312	sub change_all_map_light {	1288	sub change_all_map_light {
…		…
1314		1290
1315	$_->change_map_light ($change)	1291	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1292	for grep $_->outdoor, values %cf::MAP;
1317	}	1293	}
1318		1294
		1295	sub unlink_save {
		1296	my ($self) = @_;
		1297
		1298	utf8::encode (my $save = $self->save_path);
		1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1301
		1302	#d#TODO remove .map and also nuke
		1303	$save =~ s/\.map// or return;#d#
		1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1306	}
		1307
1319	sub try_load_header($) {	1308	sub load_header_from($) {
1320	my ($path) = @_;	1309	my ($self, $path) = @_;
1321		1310
1322	utf8::encode $path;	1311	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1312	#aio_open $path, O_RDONLY, 0
		1313	# or return;
		1314
		1315	$self->_load_header ($path)
1324	or return;	1316	or return;
1325		1317
1326	my $map = cf::map::new	1318	$self->{load_path} = $path;
		1319
		1320	1
		1321	}
		1322
		1323	sub load_header_orig {
		1324	my ($self) = @_;
		1325
		1326	$self->load_header_from ($self->load_path)
		1327	}
		1328
		1329	sub load_header_temp {
		1330	my ($self) = @_;
		1331
		1332	$self->load_header_from ($self->save_path)
		1333	}
		1334
		1335	sub prepare_temp {
		1336	my ($self) = @_;
		1337
		1338	$self->last_access ((delete $self->{last_access})
		1339	|| $cf::RUNTIME); #d#
		1340	# safety
		1341	$self->{instantiate_time} = $cf::RUNTIME
		1342	if $self->{instantiate_time} > $cf::RUNTIME;
		1343	}
		1344
		1345	sub prepare_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->{load_original} = 1;
		1349	$self->{instantiate_time} = $cf::RUNTIME;
		1350	$self->last_access ($cf::RUNTIME);
		1351	$self->instantiate;
		1352	}
		1353
		1354	sub load_header {
		1355	my ($self) = @_;
		1356
		1357	if ($self->load_header_temp) {
		1358	$self->prepare_temp;
		1359	} else {
		1360	$self->load_header_orig
1327	or return;	1361	or return;
		1362	$self->prepare_orig;
		1363	}
1328		1364
1329	# for better error messages only, will be overwritten	1365	1
1330	$map->path ($path);
1331
1332	$map->load_header ($path)
1333	or return;
1334
1335	$map->{load_path} = $path;
1336
1337	$map
1338	}	1366	}
1339		1367
1340	sub find;	1368	sub find;
1341	sub find {	1369	sub find {
1342	my ($path, $origin) = @_;	1370	my ($path, $origin) = @_;
1343		1371
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1372	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1373
1349	cf::lock_wait "map_find:$key";	1374	cf::lock_wait "map_find:$path";
1350		1375
1351	$cf::MAP{$key} || do {	1376	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1377	my $guard = cf::lock_acquire "map_find:$path";
1353		1378	my $map = new_from_path cf::map $path
1354	# do it the slow way
1355	my $map = try_load_header $path->save_path;
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1379	or return;
1373		1380
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1381	$map->{last_save} = $cf::RUNTIME;
1386		1382
1387	Coro::cede;	1383	$map->load_header
		1384	or return;
1388		1385
1389	if ($map->should_reset) {	1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1387	# doing this can freeze the server in a sync job, obviously
		1388	#$cf::WAIT_FOR_TICK->wait;
1390	$map->reset;	1389	$map->reset;
1391	undef $guard;	1390	undef $guard;
1392	$map = find $path	1391	return find $path;
1393	or return;
1394	}	1392	}
1395		1393
1396	$cf::MAP{$key} = $map	1394	$cf::MAP{$path} = $map
1397	}	1395	}
1398	}	1396	}
		1397
		1398	sub pre_load { }
		1399	sub post_load { }
1399		1400
1400	sub load {	1401	sub load {
1401	my ($self) = @_;	1402	my ($self) = @_;
1402		1403
		1404	local $self->{deny_reset} = 1; # loading can take a long time
		1405
1403	my $path = $self->{path};	1406	my $path = $self->{path};
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1407	my $guard = cf::lock_acquire "map_load:$path";
1405		1408
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1409	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1410
1408	$self->in_memory (cf::MAP_LOADING);	1411	$self->in_memory (cf::MAP_LOADING);
1409		1412
1410	$self->alloc;	1413	$self->alloc;
		1414
		1415	$self->pre_load;
		1416
1411	$self->load_objects ($self->{load_path}, 1)	1417	$self->_load_objects ($self->{load_path}, 1)
1412	or return;	1418	or return;
1413		1419
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	1421	if delete $self->{load_original};
1416		1422
1417	if (my $uniq = $path->uniq_path) {	1423	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	1424	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	1425	if (aio_open $uniq, O_RDONLY, 0) {
1420	$self->clear_unique_items;	1426	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	1427	$self->_load_objects ($uniq, 0);
1422	}	1428	}
1423	}	1429	}
1424		1430
1425	Coro::cede;	1431	Coro::cede;
1426		1432
1427	# now do the right thing for maps	1433	# now do the right thing for maps
1428	$self->link_multipart_objects;	1434	$self->link_multipart_objects;
1429		1435
1430	if ($self->{path}->is_style_map) {	1436	unless ($self->{deny_activate}) {
1431	$self->{deny_save} = 1;	1437	$self->decay_objects;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;	1438	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;	1439	$self->update_buttons;
		1440	Coro::cede;
1437	$self->set_darkness_map;	1441	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	1442	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	1443	unless $self->difficulty;
		1444	Coro::cede;
1440	$self->activate;	1445	$self->activate;
1441	}	1446	}
1442		1447
1443	Coro::cede;	1448	$self->post_load;
1444		1449
1445	$self->in_memory (cf::MAP_IN_MEMORY);	1450	$self->in_memory (cf::MAP_IN_MEMORY);
		1451	}
		1452
		1453	sub customise_for {
		1454	my ($self, $ob) = @_;
		1455
		1456	return find "~" . $ob->name . "/" . $self->{path}
		1457	if $self->per_player;
		1458
		1459	$self
1446	}	1460	}
1447		1461
1448	# find and load all maps in the 3x3 area around a map	1462	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	1463	sub load_diag {
1450	my ($map) = @_;	1464	my ($map) = @_;
…		…
1480		1494
1481	cf::sync_job { $map->load };	1495	cf::sync_job { $map->load };
1482	}	1496	}
1483		1497
1484	our %MAP_PREFETCH;	1498	our %MAP_PREFETCH;
1485	our $MAP_PREFETCHER = Coro::async {	1499	our $MAP_PREFETCHER = undef;
1486	while () {
1487	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH
1489	or next;
1490	my $path = delete $MAP_PREFETCH{$key};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}
1496	Coro::schedule;
1497	}
1498	};
1499		1500
1500	sub find_async {	1501	sub find_async {
1501	my ($path, $origin) = @_;	1502	my ($path, $origin) = @_;
1502		1503
1503	$path = new cf::path $path, $origin && $origin->path;	1504	$path = normalise $path, $origin && $origin->{path};
1504	my $key = $path->as_string;
1505		1505
1506	if (my $map = $cf::MAP{$key}) {	1506	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}	1508	}
1509		1509
1510	$MAP_PREFETCH{$key} = $path;	1510	undef $MAP_PREFETCH{$path};
		1511	$MAP_PREFETCHER ||= cf::async {
		1512	while (%MAP_PREFETCH) {
		1513	for my $path (keys %MAP_PREFETCH) {
		1514	my $map = find $path
		1515	or next;
		1516	$map->load;
		1517
		1518	delete $MAP_PREFETCH{$path};
		1519	}
		1520	}
		1521	undef $MAP_PREFETCHER;
		1522	};
1511	$MAP_PREFETCHER->ready;	1523	$MAP_PREFETCHER->prio (6);
1512		1524
1513	()	1525	()
1514	}	1526	}
1515		1527
1516	sub save {	1528	sub save {
…		…
1520		1532
1521	$self->{last_save} = $cf::RUNTIME;	1533	$self->{last_save} = $cf::RUNTIME;
1522		1534
1523	return unless $self->dirty;	1535	return unless $self->dirty;
1524		1536
1525	my $save = $self->{path}->save_path; utf8::encode $save;	1537	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1538	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		1539
1528	$self->{load_path} = $save;	1540	$self->{load_path} = $save;
1529		1541
1530	return if $self->{deny_save};	1542	return if $self->{deny_save};
1531		1543
…		…
1534	cf::async {	1546	cf::async {
1535	$_->contr->save for $self->players;	1547	$_->contr->save for $self->players;
1536	};	1548	};
1537		1549
1538	if ($uniq) {	1550	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	1553	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	1555	}
1544	}	1556	}
1545		1557
1546	sub swap_out {	1558	sub swap_out {
1547	my ($self) = @_;	1559	my ($self) = @_;
…		…
1561		1573
1562	sub reset_at {	1574	sub reset_at {
1563	my ($self) = @_;	1575	my ($self) = @_;
1564		1576
1565	# TODO: safety, remove and allow resettable per-player maps	1577	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};	1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1567	return 1e99 if $self->{deny_reset};	1579	return 1e99 if $self->{deny_reset};
1568		1580
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		1583
…		…
1576	my ($self) = @_;	1588	my ($self) = @_;
1577		1589
1578	$self->reset_at <= $cf::RUNTIME	1590	$self->reset_at <= $cf::RUNTIME
1579	}	1591	}
1580		1592
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	1593	sub reset {
1603	my ($self) = @_;	1594	my ($self) = @_;
1604		1595
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	1596	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		1597
1607	return if $self->players;	1598	return if $self->players;
1608	return if $self->{path}{user_rel};#d#	1599	return if $self->isa ("ext::map_per_player");#d#
1609		1600
1610	warn "resetting map ", $self->path;#d#	1601	warn "resetting map ", $self->path;#d#
1611		1602
1612	delete $cf::MAP{$self->path};	1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->in_memory (cf::MAP_SWAPPED);
		1606	$self->clear;
1613		1607
1614	$_->clear_links_to ($self) for values %cf::MAP;	1608	$_->clear_links_to ($self) for values %cf::MAP;
1615		1609
1616	$self->unlink_save;	1610	$self->unlink_save;
1617	$self->destroy;	1611	$self->destroy;
…		…
1620	my $nuke_counter = "aaaa";	1614	my $nuke_counter = "aaaa";
1621		1615
1622	sub nuke {	1616	sub nuke {
1623	my ($self) = @_;	1617	my ($self) = @_;
1624		1618
		1619	delete $cf::MAP{$self->path};
		1620
		1621	$self->unlink_save;
		1622
		1623	bless $self, "cf::map";
		1624	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	1625	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	1626	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1628
		1629	$cf::MAP{$self->path} = $self;
		1630
1628	$self->reset; # polite request, might not happen	1631	$self->reset; # polite request, might not happen
1629	}	1632	}
1630		1633
1631	sub customise_for {
1632	my ($map, $ob) = @_;
1633
1634	if ($map->per_player) {
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1636	}
1637
1638	$map
1639	}
1640
1641	=item cf::map::unique_maps	1634	=item cf::map::unique_maps
1642		1635
1643	Returns an arrayref of cf::path's of all shared maps that have	1636	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	1637	instantiated unique items. May block.
1645		1638
1646	=cut	1639	=cut
1647		1640
1648	sub unique_maps() {	1641	sub unique_maps() {
…		…
1654	for (@$files) {	1647	for (@$files) {
1655	utf8::decode $_;	1648	utf8::decode $_;
1656	next if /\.pst$/;	1649	next if /\.pst$/;
1657	next unless /^$PATH_SEP/o;	1650	next unless /^$PATH_SEP/o;
1658		1651
1659	push @paths, new cf::path $_;	1652	push @paths, cf::map::normalise $_;
1660	}	1653	}
1661		1654
1662	\@paths	1655	\@paths
1663	}	1656	}
1664		1657
…		…
1739		1732
1740	=item $player_object->enter_link	1733	=item $player_object->enter_link
1741		1734
1742	Freezes the player and moves him/her to a special map (C<{link}>).	1735	Freezes the player and moves him/her to a special map (C<{link}>).
1743		1736
1744	The player should be reaosnably safe there for short amounts of time. You	1737	The player should be reasonably safe there for short amounts of time. You
1745	I<MUST> call C<leave_link> as soon as possible, though.	1738	I<MUST> call C<leave_link> as soon as possible, though.
1746		1739
		1740	Will never block.
		1741
1747	=item $player_object->leave_link ($map, $x, $y)	1742	=item $player_object->leave_link ($map, $x, $y)
1748		1743
1749	Moves the player out of the specila link map onto the given map. If the	1744	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	1745	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	1746	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	1747	fails, to the emergency map position.
1753		1748
1754	Might block.	1749	Might block.
1755		1750
1756	=cut	1751	=cut
		1752
		1753	sub link_map {
		1754	unless ($LINK_MAP) {
		1755	$LINK_MAP = cf::map::find "{link}"
		1756	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1757	$LINK_MAP->load;
		1758	}
		1759
		1760	$LINK_MAP
		1761	}
1757		1762
1758	sub cf::object::player::enter_link {	1763	sub cf::object::player::enter_link {
1759	my ($self) = @_;	1764	my ($self) = @_;
1760		1765
1761	$self->deactivate_recursive;	1766	$self->deactivate_recursive;
1762		1767
1763	return if $self->map == $LINK_MAP;	1768	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		1769
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	1771	if $self->map;
1767		1772
1768	$self->enter_map ($LINK_MAP, 20, 20);	1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	1774	}
1770		1775
1771	sub cf::object::player::leave_link {	1776	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	1777	my ($self, $map, $x, $y) = @_;
1773		1778
…		…
1837	=cut	1842	=cut
1838		1843
1839	sub cf::object::player::goto {	1844	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	1845	my ($self, $path, $x, $y) = @_;
1841		1846
1842	$path = new cf::path $path;
1843
1844	$self->enter_link;	1847	$self->enter_link;
1845		1848
1846	(async {	1849	(async {
		1850	my $map = eval {
1847	my $map = cf::map::find $path->as_string;	1851	my $map = cf::map::find $path;
1848	$map = $map->customise_for ($self) if $map;	1852	$map = $map->customise_for ($self) if $map;
1849		1853	$map
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	1854	} or
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		1856
1855	$self->leave_link ($map, $x, $y);	1857	$self->leave_link ($map, $x, $y);
1856	})->prio (1);	1858	})->prio (1);
1857	}	1859	}
1858		1860
…		…
1862		1864
1863	sub parse_random_map_params {	1865	sub parse_random_map_params {
1864	my ($spec) = @_;	1866	my ($spec) = @_;
1865		1867
1866	my $rmp = { # defaults	1868	my $rmp = { # defaults
1867	xsize => 10,	1869	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	1870	ysize => (cf::rndm 15, 40),
		1871	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1872	#layout => string,
1869	};	1873	};
1870		1874
1871	for (split /\n/, $spec) {	1875	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	1876	my ($k, $v) = split /\s+/, $_, 2;
1873		1877
…		…
1877	$rmp	1881	$rmp
1878	}	1882	}
1879		1883
1880	sub prepare_random_map {	1884	sub prepare_random_map {
1881	my ($exit) = @_;	1885	my ($exit) = @_;
		1886
		1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		1888
1883	# all this does is basically replace the /! path by	1889	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	1890	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	1891	# that depends on the exit object
1886		1892
1887	my $rmp = parse_random_map_params $exit->msg;	1893	my $rmp = parse_random_map_params $exit->msg;
1888		1894
1889	if ($exit->map) {	1895	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	1896	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	1897	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	1898	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	1899	$rmp->{origin_y} = $exit->y;
1894	}	1900	}
1895		1901
1896	$rmp->{random_seed} ||= $exit->random_seed;	1902	$rmp->{random_seed} ||= $exit->random_seed;
1897		1903
1898	my $data = cf::to_json $rmp;	1904	my $data = cf::to_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	1905	my $md5 = Digest::MD5::md5_hex $data;
		1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1900		1907
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	1909	aio_write $fh, 0, (length $data), $data, 0;
		1910	undef $fh;
		1911	aio_rename "$meta~", $meta;
1903		1912
1904	$exit->slaying ("?random/$md5");	1913	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	1914	$exit->msg (undef);
1906	}	1915	}
1907	}	1916	}
1908		1917
1909	sub cf::object::player::enter_exit {	1918	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	1919	my ($self, $exit) = @_;
1911		1920
1912	return unless $self->type == cf::PLAYER;	1921	return unless $self->type == cf::PLAYER;
		1922
		1923	if ($exit->slaying eq "/!") {
		1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1925	cf::sync_job { prepare_random_map $exit };
		1926	}
		1927
		1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1929	my $hp = $exit->stats->hp;
		1930	my $sp = $exit->stats->sp;
1913		1931
1914	$self->enter_link;	1932	$self->enter_link;
1915		1933
1916	(async {	1934	(async {
1917	$self->deactivate_recursive; # just to be sure	1935	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	1936	unless (eval {
1919	prepare_random_map $exit	1937	$self->goto ($slaying, $hp, $sp);
1920	if $exit->slaying eq "/!";
1921
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924		1938
1925	1;	1939	1;
1926	}) {	1940	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	1941	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "I'll try to bring you back to the map you were before. "	1942	. "I'll try to bring you back to the map you were before. "
…		…
1989	# get handled first	2003	# get handled first
1990	my $queue = delete $ns->{query_queue}	2004	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	2005	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		2006
1993	(shift @$queue)->[1]->($msg);	2007	(shift @$queue)->[1]->($msg);
		2008	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2009
1995	push @{ $ns->{query_queue} }, @$queue;	2010	push @{ $ns->{query_queue} }, @$queue;
1996		2011
1997	if (@{ $ns->{query_queue} } == @$queue) {	2012	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2013	if (@$queue) {
…		…
2217	sub db_sync() {	2232	sub db_sync() {
2218	db_save if $dirty;	2233	db_save if $dirty;
2219	undef $dirty;	2234	undef $dirty;
2220	}	2235	}
2221		2236
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2237	my $idle = Event->idle (
2223	db_sync;	2238	reentrant => 0,
		2239	min => 10,
		2240	max => 20,
		2241	repeat => 0,
		2242	data => WF_AUTOCANCEL,
		2243	cb => \&db_sync,
2224	});	2244	);
2225		2245
2226	sub db_dirty() {	2246	sub db_dirty() {
2227	$dirty = 1;	2247	$dirty = 1;
2228	$idle->start;	2248	$idle->start;
2229	}	2249	}
…		…
2277		2297
2278	sub main {	2298	sub main {
2279	# we must not ever block the main coroutine	2299	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	2300	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2301	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2302	(async {
2282	async { Event::one_event };	2303	Event::one_event;
		2304	})->prio (Coro::PRIO_MAX);
2283	};	2305	};
2284		2306
2285	cfg_load;	2307	cfg_load;
2286	db_load;	2308	db_load;
2287	load_extensions;	2309	load_extensions;
		2310
		2311	$TICK_WATCHER->start;
2288	Event::loop;	2312	Event::loop;
2289	}	2313	}
2290		2314
2291	#############################################################################	2315	#############################################################################
2292	# initialisation and cleanup	2316	# initialisation and cleanup
2293		2317
2294	# install some emergency cleanup handlers	2318	# install some emergency cleanup handlers
2295	BEGIN {	2319	BEGIN {
2296	for my $signal (qw(INT HUP TERM)) {	2320	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	2321	Event->signal (
		2322	reentrant => 0,
2298	data => WF_AUTOCANCEL,	2323	data => WF_AUTOCANCEL,
2299	signal => $signal,	2324	signal => $signal,
		2325	prio => 0,
2300	cb => sub {	2326	cb => sub {
2301	cf::cleanup "SIG$signal";	2327	cf::cleanup "SIG$signal";
2302	},	2328	},
2303	);	2329	);
2304	}	2330	}
2305	}	2331	}
…		…
2310	warn "enter emergency perl save\n";	2336	warn "enter emergency perl save\n";
2311		2337
2312	cf::sync_job {	2338	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	2339	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	2340	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	2341	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	2342	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	2343	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	2344	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	2345	$pl->valid or next;
2320	$pl->save;	2346	$pl->save;
…		…
2334	}	2360	}
2335		2361
2336	sub reload() {	2362	sub reload() {
2337	# can/must only be called in main	2363	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	2364	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	2365	warn "can only reload from main coroutine";
2340	return;	2366	return;
2341	}	2367	}
2342		2368
2343	warn "reloading...";	2369	warn "reloading...";
2344		2370
2345	my $guard = freeze_mainloop;	2371	warn "cancelling server ticker";
		2372	$TICK_WATCHER->cancel;
		2373
2346	cf::emergency_save;	2374	cf::emergency_save;
2347		2375
2348	eval {	2376	eval {
2349	# if anything goes wrong in here, we should simply crash as we already saved	2377	# if anything goes wrong in here, we should simply crash as we already saved
2350		2378
2351	# cancel all watchers	2379	warn "syncing database to disk";
		2380	cf::db_sync;
		2381
		2382	warn "cancelling all WF_AUTOCANCEL watchers";
2352	for (Event::all_watchers) {	2383	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	2384	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}	2385	}
2355		2386
		2387	warn "flushing outstanding aio requests";
		2388	for (;;) {
		2389	IO::AIO::flush;
		2390	Coro::cede;
		2391	last unless IO::AIO::nreqs;
		2392	warn "iterate...";
		2393	}
		2394
2356	# cancel all extension coros	2395	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	2396	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	2397	%EXT_CORO = ();
2359		2398
2360	# unload all extensions	2399	warn "removing commands";
2361	for (@exts) {	2400	%COMMAND = ();
		2401
		2402	warn "removing ext commands";
		2403	%EXTCMD = ();
		2404
		2405	warn "unloading/nuking all extensions";
		2406	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	2407	warn "... unloading $pkg";
2363	unload_extension $_;	2408
		2409	if (my $cb = $pkg->can ("unload")) {
		2410	eval {
		2411	$cb->($pkg);
		2412	1
		2413	} or warn "$pkg unloaded, but with errors: $@";
2364	}	2414	}
2365		2415
		2416	warn "... nuking $pkg";
		2417	Symbol::delete_package $pkg;
		2418	}
		2419
2366	# unload all modules loaded from $LIBDIR	2420	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	2421	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2422	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		2423
2370	warn "removing <$k>";	2424	warn "... unloading $k";
2371	delete $INC{$k};	2425	delete $INC{$k};
2372		2426
2373	$k =~ s/\.pm$//;	2427	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	2428	$k =~ s/\//::/g;
2375		2429
…		…
2378	}	2432	}
2379		2433
2380	Symbol::delete_package $k;	2434	Symbol::delete_package $k;
2381	}	2435	}
2382		2436
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	2437	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	2438	Symbol::delete_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2439	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		2440
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	2441	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	2442	delete $INC{"cf.pm"};
2396		2443
2397	# don't, removes xs symbols, too,	2444	# don't, removes xs symbols, too,
2398	# and global variables created in xs	2445	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	2446	#Symbol::delete_package __PACKAGE__;
2400		2447
2401	# reload cf.pm	2448	warn "unload completed, starting to reload now";
		2449
2402	warn "reloading cf.pm";	2450	warn "reloading cf.pm";
2403	require cf;	2451	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2452	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		2453
2406	# load config and database again	2454	warn "loading config and database again";
2407	cf::cfg_load;	2455	cf::cfg_load;
2408	cf::db_load;	2456	cf::db_load;
2409		2457
2410	# load extensions
2411	warn "load extensions";	2458	warn "loading extensions";
2412	cf::load_extensions;	2459	cf::load_extensions;
2413		2460
2414	# reattach attachments to objects	2461	warn "reattaching attachments to objects/players";
2415	warn "reattach";
2416	_global_reattach;	2462	_global_reattach;
		2463	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	2464	reattach $_ for values %MAP;
		2465
		2466	warn "restarting server ticker";
		2467
		2468	$TICK_WATCHER->start;
2418	};	2469	};
2419		2470
2420	if ($@) {	2471	if ($@) {
2421	warn $@;	2472	warn $@;
2422	warn "error while reloading, exiting.";	2473	warn "error while reloading, exiting.";
2423	exit 1;	2474	exit 1;
2424	}	2475	}
2425		2476
2426	warn "reloaded successfully";	2477	warn "reloaded";
2427	};	2478	};
2428		2479
2429	#############################################################################	2480	our $RELOAD_WATCHER; # used only during reload
2430
2431	unless ($LINK_MAP) {
2432	$LINK_MAP = cf::map::new;
2433
2434	$LINK_MAP->width (41);
2435	$LINK_MAP->height (41);
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,
2444	cb => sub {
2445	$_[0]->w->cancel;
2446
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});
2465
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}
2471
2472	register "<global>", __PACKAGE__;
2473		2481
2474	register_command "reload" => sub {	2482	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	2483	my ($who, $arg) = @_;
2476		2484
2477	if ($who->flag (FLAG_WIZ)) {	2485	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");	2486	$who->message ("reloading server.");
		2487
		2488	# doing reload synchronously and two reloads happen back-to-back,
		2489	# coro crashes during coro_state_free->destroy here.
		2490
		2491	$RELOAD_WATCHER ||= Event->timer (
		2492	reentrant => 0,
		2493	after => 0,
		2494	data => WF_AUTOCANCEL,
		2495	cb => sub {
2479	reload;	2496	reload;
2480	$who->message ("end of reload.");	2497	undef $RELOAD_WATCHER;
		2498	},
		2499	);
2481	}	2500	}
2482	};	2501	};
2483		2502
2484	unshift @INC, $LIBDIR;	2503	unshift @INC, $LIBDIR;
		2504
		2505	my $bug_warning = 0;
2485		2506
2486	$TICK_WATCHER = Event->timer (	2507	$TICK_WATCHER = Event->timer (
2487	reentrant => 0,	2508	reentrant => 0,
		2509	parked => 1,
2488	prio => 0,	2510	prio => 0,
2489	at => $NEXT_TICK || $TICK,	2511	at => $NEXT_TICK || $TICK,
2490	data => WF_AUTOCANCEL,	2512	data => WF_AUTOCANCEL,
2491	cb => sub {	2513	cb => sub {
		2514	if ($Coro::current != $Coro::main) {
		2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2516	unless ++$bug_warning > 10;
		2517	return;
		2518	}
		2519
		2520	$NOW = Event::time;
		2521
2492	cf::server_tick; # one server iteration	2522	cf::server_tick; # one server iteration
2493	$RUNTIME += $TICK;	2523	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	2524	$NEXT_TICK += $TICK;
2495		2525
2496	$WAIT_FOR_TICK->broadcast;	2526	$WAIT_FOR_TICK->broadcast;
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2528
		2529	Event::sweep;
		2530	Coro::cede_notself;
		2531
		2532	# my $AFTER = Event::time;
		2533	# warn $AFTER - $NOW;#d#
2498		2534
2499	# if we are delayed by four ticks or more, skip them all	2535	# if we are delayed by four ticks or more, skip them all
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501		2537
2502	$TICK_WATCHER->at ($NEXT_TICK);	2538	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;	2539	$TICK_WATCHER->start;
2504	},	2540	},
2505	);	2541	);
2506		2542
2507	IO::AIO::max_poll_time $TICK * 0.2;	2543	IO::AIO::max_poll_time $TICK * 0.1;
2508		2544
2509	Event->io (	2545	undef $Coro::AIO::WATCHER;
		2546	$AIO_POLL_WATCHER = Event->io (
		2547	reentrant => 0,
2510	fd => IO::AIO::poll_fileno,	2548	fd => IO::AIO::poll_fileno,
2511	poll => 'r',	2549	poll => 'r',
2512	prio => 5,	2550	prio => 6,
2513	data => WF_AUTOCANCEL,	2551	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,	2552	cb => \&IO::AIO::poll_cb,
2515	);	2553	);
2516		2554
2517	Event->timer (	2555	$WRITE_RUNTIME_WATCHER = Event->timer (
		2556	reentrant => 0,
2518	data => WF_AUTOCANCEL,	2557	data => WF_AUTOCANCEL,
2519	after => 0,	2558	after => 1,
2520	interval => 10,	2559	interval => 10,
2521	cb => sub {	2560	prio => 6, # keep it lowest so it acts like a watchdog
2522	(Coro::unblock_sub {	2561	cb => Coro::unblock_sub {
2523	write_runtime	2562	write_runtime
2524	or warn "ERROR: unable to write runtime file: $!";	2563	or warn "ERROR: unable to write runtime file: $!";
2525	})->();
2526	},	2564	},
2527	);	2565	);
2528		2566
2529	END { cf::emergency_save }	2567	END { cf::emergency_save }
2530		2568

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