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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 1.200 by root, Mon Jan 29 17:57:22 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($) {
…		…
1247	for (@$files) {	1089	for (@$files) {
1248	utf8::decode $_;	1090	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1091	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1092	next unless /^$PATH_SEP/o;
1251		1093
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;
1253	}	1095	}
1254		1096
1255	\@paths	1097	\@paths
1256	}	1098	}
1257		1099
…		…
1283	package cf::map;	1125	package cf::map;
1284		1126
1285	use Fcntl;	1127	use Fcntl;
1286	use Coro::AIO;	1128	use Coro::AIO;
1287		1129
		1130	use overload
		1131	'""' => \&as_string,
		1132	fallback => 1;
		1133
1288	our $MAX_RESET = 3600;	1134	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1135	our $DEFAULT_RESET = 3000;
1290		1136
1291	sub generate_random_map {	1137	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1138	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1139	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1140	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1144	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1145	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1146	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1147	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1148	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1149	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1150	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1151	(cf::region::find $rmp->{region}), $rmp->{custom}
		1152	)
		1153	}
		1154
		1155	=item cf::map->register ($regex, $prio)
		1156
		1157	Register a handler for the map path matching the given regex at the
		1158	givne priority (higher is better, built-in handlers have priority 0, the
		1159	default).
		1160
		1161	=cut
		1162
		1163	sub register {
		1164	my (undef, $regex, $prio) = @_;
		1165	my $pkg = caller;
		1166
		1167	no strict;
		1168	push @{"$pkg\::ISA"}, __PACKAGE__;
		1169
		1170	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1171	}
		1172
		1173	# also paths starting with '/'
		1174	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1175
		1176	sub thawer_merge {
		1177	my ($self, $merge) = @_;
		1178
		1179	# we have to keep some variables in memory intact
		1180	local $self->{path};
		1181	local $self->{load_path};
		1182	local $self->{deny_save};
		1183	local $self->{deny_reset};
		1184
		1185	$self->SUPER::thawer_merge ($merge);
		1186	}
		1187
		1188	sub normalise {
		1189	my ($path, $base) = @_;
		1190
		1191	$path = "$path"; # make sure its a string
		1192
		1193	$path =~ s/\.map$//;
		1194
		1195	# map plan:
		1196	#
		1197	# /! non-realised random map exit (special hack!)
		1198	# {... are special paths that are not being touched
		1199	# ?xxx/... are special absolute paths
		1200	# ?random/... random maps
		1201	# /... normal maps
		1202	# ~user/... per-player map of a specific user
		1203
		1204	$path =~ s/$PATH_SEP/\//go;
		1205
		1206	# treat it as relative path if it starts with
		1207	# something that looks reasonable
		1208	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1209	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1210
		1211	$base =~ s{[^/]+/?$}{};
		1212	$path = "$base/$path";
		1213	}
		1214
		1215	for ($path) {
		1216	redo if s{//}{/};
		1217	redo if s{/\.?/}{/};
		1218	redo if s{/[^/]+/\.\./}{/};
		1219	}
		1220
		1221	$path
		1222	}
		1223
		1224	sub new_from_path {
		1225	my (undef, $path, $base) = @_;
		1226
		1227	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1228
		1229	$path = normalise $path, $base;
		1230
		1231	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1232	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1233	my $self = bless cf::map::new, $pkg;
		1234	$self->{path} = $path; $self->path ($path);
		1235	$self->init; # pass $1 etc.
		1236	return $self;
		1237	}
		1238	}
		1239
		1240	Carp::carp "unable to resolve path '$path' (base '$base').";
		1241	()
		1242	}
		1243
		1244	sub init {
		1245	my ($self) = @_;
		1246
		1247	$self
		1248	}
		1249
		1250	sub as_string {
		1251	my ($self) = @_;
		1252
		1253	"$self->{path}"
		1254	}
		1255
		1256	# the displayed name, this is a one way mapping
		1257	sub visible_name {
		1258	&as_string
		1259	}
		1260
		1261	# the original (read-only) location
		1262	sub load_path {
		1263	my ($self) = @_;
		1264
		1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1266	}
		1267
		1268	# the temporary/swap location
		1269	sub save_path {
		1270	my ($self) = @_;
		1271
		1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1274	}
		1275
		1276	# the unique path, undef == no special unique path
		1277	sub uniq_path {
		1278	my ($self) = @_;
		1279
		1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1308	}	1282	}
1309		1283
1310	# and all this just because we cannot iterate over	1284	# and all this just because we cannot iterate over
1311	# all maps in C++...	1285	# all maps in C++...
1312	sub change_all_map_light {	1286	sub change_all_map_light {
…		…
1314		1288
1315	$_->change_map_light ($change)	1289	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1290	for grep $_->outdoor, values %cf::MAP;
1317	}	1291	}
1318		1292
		1293	sub unlink_save {
		1294	my ($self) = @_;
		1295
		1296	utf8::encode (my $save = $self->save_path);
		1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1299
		1300	#d#TODO remove .map and also nuke
		1301	$save =~ s/\.map// or return;#d#
		1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1304	}
		1305
1319	sub try_load_header($) {	1306	sub load_header_from($) {
1320	my ($path) = @_;	1307	my ($self, $path) = @_;
1321		1308
1322	utf8::encode $path;	1309	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1310	#aio_open $path, O_RDONLY, 0
		1311	# or return;
		1312
		1313	$self->_load_header ($path)
1324	or return;	1314	or return;
1325		1315
1326	my $map = cf::map::new	1316	$self->{load_path} = $path;
		1317
		1318	1
		1319	}
		1320
		1321	sub load_header_orig {
		1322	my ($self) = @_;
		1323
		1324	$self->load_header_from ($self->load_path)
		1325	}
		1326
		1327	sub load_header_temp {
		1328	my ($self) = @_;
		1329
		1330	$self->load_header_from ($self->save_path)
		1331	}
		1332
		1333	sub prepare_temp {
		1334	my ($self) = @_;
		1335
		1336	$self->last_access ((delete $self->{last_access})
		1337	|| $cf::RUNTIME); #d#
		1338	# safety
		1339	$self->{instantiate_time} = $cf::RUNTIME
		1340	if $self->{instantiate_time} > $cf::RUNTIME;
		1341	}
		1342
		1343	sub prepare_orig {
		1344	my ($self) = @_;
		1345
		1346	$self->{load_original} = 1;
		1347	$self->{instantiate_time} = $cf::RUNTIME;
		1348	$self->last_access ($cf::RUNTIME);
		1349	$self->instantiate;
		1350	}
		1351
		1352	sub load_header {
		1353	my ($self) = @_;
		1354
		1355	if ($self->load_header_temp) {
		1356	$self->prepare_temp;
		1357	} else {
		1358	$self->load_header_orig
1327	or return;	1359	or return;
		1360	$self->prepare_orig;
		1361	}
1328		1362
1329	# for better error messages only, will be overwritten	1363	1
1330	$map->path ($path);
1331
1332	$map->load_header ($path)
1333	or return;
1334
1335	$map->{load_path} = $path;
1336
1337	$map
1338	}	1364	}
1339		1365
1340	sub find;	1366	sub find;
1341	sub find {	1367	sub find {
1342	my ($path, $origin) = @_;	1368	my ($path, $origin) = @_;
1343		1369
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1370	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1371
1349	cf::lock_wait "map_find:$key";	1372	cf::lock_wait "map_find:$path";
1350		1373
1351	$cf::MAP{$key} || do {	1374	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1375	my $guard = cf::lock_acquire "map_find:$path";
1353		1376	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;	1377	or return;
1373		1378
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;	1379	$map->{last_save} = $cf::RUNTIME;
1386		1380
1387	Coro::cede;	1381	$map->load_header
		1382	or return;
1388		1383
1389	if ($map->should_reset) {	1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1385	# doing this can freeze the server in a sync job, obviously
		1386	#$cf::WAIT_FOR_TICK->wait;
1390	$map->reset;	1387	$map->reset;
1391	undef $guard;	1388	undef $guard;
1392	$map = find $path	1389	return find $path;
1393	or return;
1394	}	1390	}
1395		1391
1396	$cf::MAP{$key} = $map	1392	$cf::MAP{$path} = $map
1397	}	1393	}
1398	}	1394	}
		1395
		1396	sub pre_load { }
		1397	sub post_load { }
1399		1398
1400	sub load {	1399	sub load {
1401	my ($self) = @_;	1400	my ($self) = @_;
1402		1401
		1402	local $self->{deny_reset} = 1; # loading can take a long time
		1403
1403	my $path = $self->{path};	1404	my $path = $self->{path};
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1405	my $guard = cf::lock_acquire "map_load:$path";
1405		1406
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1407	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1408
1408	$self->in_memory (cf::MAP_LOADING);	1409	$self->in_memory (cf::MAP_LOADING);
1409		1410
1410	$self->alloc;	1411	$self->alloc;
		1412
		1413	$self->pre_load;
		1414
1411	$self->load_objects ($self->{load_path}, 1)	1415	$self->_load_objects ($self->{load_path}, 1)
1412	or return;	1416	or return;
1413		1417
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	1419	if delete $self->{load_original};
1416		1420
1417	if (my $uniq = $path->uniq_path) {	1421	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	1422	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	1423	if (aio_open $uniq, O_RDONLY, 0) {
1420	$self->clear_unique_items;	1424	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	1425	$self->_load_objects ($uniq, 0);
1422	}	1426	}
1423	}	1427	}
1424		1428
1425	Coro::cede;	1429	Coro::cede;
1426		1430
1427	# now do the right thing for maps	1431	# now do the right thing for maps
1428	$self->link_multipart_objects;	1432	$self->link_multipart_objects;
1429		1433
1430	if ($self->{path}->is_style_map) {	1434	unless ($self->{deny_activate}) {
1431	$self->{deny_save} = 1;	1435	$self->decay_objects;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;	1436	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;	1437	$self->update_buttons;
		1438	Coro::cede;
1437	$self->set_darkness_map;	1439	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	1440	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	1441	unless $self->difficulty;
		1442	Coro::cede;
1440	$self->activate;	1443	$self->activate;
1441	}	1444	}
1442		1445
1443	Coro::cede;	1446	$self->post_load;
1444		1447
1445	$self->in_memory (cf::MAP_IN_MEMORY);	1448	$self->in_memory (cf::MAP_IN_MEMORY);
		1449	}
		1450
		1451	sub customise_for {
		1452	my ($self, $ob) = @_;
		1453
		1454	return find "~" . $ob->name . "/" . $self->{path}
		1455	if $self->per_player;
		1456
		1457	$self
1446	}	1458	}
1447		1459
1448	# find and load all maps in the 3x3 area around a map	1460	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	1461	sub load_diag {
1450	my ($map) = @_;	1462	my ($map) = @_;
…		…
1480		1492
1481	cf::sync_job { $map->load };	1493	cf::sync_job { $map->load };
1482	}	1494	}
1483		1495
1484	our %MAP_PREFETCH;	1496	our %MAP_PREFETCH;
1485	our $MAP_PREFETCHER = Coro::async {	1497	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	$map->load;
1495	}
1496	Coro::schedule;
1497	}
1498	};
1499		1498
1500	sub find_async {	1499	sub find_async {
1501	my ($path, $origin) = @_;	1500	my ($path, $origin) = @_;
1502		1501
1503	$path = new cf::path $path, $origin && $origin->path;	1502	$path = normalise $path, $origin && $origin->{path};
1504	my $key = $path->as_string;
1505		1503
1506	if (my $map = $cf::MAP{$key}) {	1504	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}	1506	}
1509		1507
1510	$MAP_PREFETCH{$key} = $path;	1508	undef $MAP_PREFETCH{$path};
		1509	$MAP_PREFETCHER ||= cf::async {
		1510	while (%MAP_PREFETCH) {
		1511	for my $path (keys %MAP_PREFETCH) {
		1512	my $map = find $path
		1513	or next;
		1514	$map->load;
		1515
		1516	delete $MAP_PREFETCH{$path};
		1517	}
		1518	}
		1519	undef $MAP_PREFETCHER;
		1520	};
1511	$MAP_PREFETCHER->ready;	1521	$MAP_PREFETCHER->prio (6);
1512		1522
1513	()	1523	()
1514	}	1524	}
1515		1525
1516	sub save {	1526	sub save {
…		…
1520		1530
1521	$self->{last_save} = $cf::RUNTIME;	1531	$self->{last_save} = $cf::RUNTIME;
1522		1532
1523	return unless $self->dirty;	1533	return unless $self->dirty;
1524		1534
1525	my $save = $self->{path}->save_path; utf8::encode $save;	1535	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1536	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		1537
1528	$self->{load_path} = $save;	1538	$self->{load_path} = $save;
1529		1539
1530	return if $self->{deny_save};	1540	return if $self->{deny_save};
1531		1541
…		…
1534	cf::async {	1544	cf::async {
1535	$_->contr->save for $self->players;	1545	$_->contr->save for $self->players;
1536	};	1546	};
1537		1547
1538	if ($uniq) {	1548	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	1551	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1552	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	1553	}
1544	}	1554	}
1545		1555
1546	sub swap_out {	1556	sub swap_out {
1547	my ($self) = @_;	1557	my ($self) = @_;
…		…
1561		1571
1562	sub reset_at {	1572	sub reset_at {
1563	my ($self) = @_;	1573	my ($self) = @_;
1564		1574
1565	# TODO: safety, remove and allow resettable per-player maps	1575	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};	1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1567	return 1e99 if $self->{deny_reset};	1577	return 1e99 if $self->{deny_reset};
1568		1578
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		1581
…		…
1576	my ($self) = @_;	1586	my ($self) = @_;
1577		1587
1578	$self->reset_at <= $cf::RUNTIME	1588	$self->reset_at <= $cf::RUNTIME
1579	}	1589	}
1580		1590
1581	sub unlink_save {
1582	my ($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	$self->save;
1600	}
1601
1602	sub reset {	1591	sub reset {
1603	my ($self) = @_;	1592	my ($self) = @_;
1604		1593
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	1594	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		1595
1607	return if $self->players;	1596	return if $self->players;
1608	return if $self->{path}{user_rel};#d#	1597	return if $self->isa ("ext::map_per_player");#d#
1609		1598
1610	warn "resetting map ", $self->path;#d#	1599	warn "resetting map ", $self->path;#d#
1611		1600
1612	delete $cf::MAP{$self->path};	1601	delete $cf::MAP{$self->path};
		1602
		1603	$self->in_memory (cf::MAP_SWAPPED);
		1604	$self->clear;
1613		1605
1614	$_->clear_links_to ($self) for values %cf::MAP;	1606	$_->clear_links_to ($self) for values %cf::MAP;
1615		1607
1616	$self->unlink_save;	1608	$self->unlink_save;
1617	$self->destroy;	1609	$self->destroy;
…		…
1620	my $nuke_counter = "aaaa";	1612	my $nuke_counter = "aaaa";
1621		1613
1622	sub nuke {	1614	sub nuke {
1623	my ($self) = @_;	1615	my ($self) = @_;
1624		1616
		1617	delete $cf::MAP{$self->path};
		1618
		1619	$self->unlink_save;
		1620
		1621	bless $self, "cf::map";
		1622	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	1623	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	1624	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1626
		1627	$cf::MAP{$self->path} = $self;
		1628
1628	$self->reset; # polite request, might not happen	1629	$self->reset; # polite request, might not happen
1629	}	1630	}
1630		1631
1631	sub customise_for {
1632	my ($map, $ob) = @_;
1633
1634	if ($map->per_player) {
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1636	}
1637
1638	$map
1639	}
1640
1641	=item cf::map::unique_maps	1632	=item cf::map::unique_maps
1642		1633
1643	Returns an arrayref of cf::path's of all shared maps that have	1634	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	1635	instantiated unique items. May block.
1645		1636
1646	=cut	1637	=cut
1647		1638
1648	sub unique_maps() {	1639	sub unique_maps() {
…		…
1654	for (@$files) {	1645	for (@$files) {
1655	utf8::decode $_;	1646	utf8::decode $_;
1656	next if /\.pst$/;	1647	next if /\.pst$/;
1657	next unless /^$PATH_SEP/o;	1648	next unless /^$PATH_SEP/o;
1658		1649
1659	push @paths, new cf::path $_;	1650	push @paths, cf::map::normalise $_;
1660	}	1651	}
1661		1652
1662	\@paths	1653	\@paths
1663	}	1654	}
1664		1655
…		…
1739		1730
1740	=item $player_object->enter_link	1731	=item $player_object->enter_link
1741		1732
1742	Freezes the player and moves him/her to a special map (C<{link}>).	1733	Freezes the player and moves him/her to a special map (C<{link}>).
1743		1734
1744	The player should be reaosnably safe there for short amounts of time. You	1735	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.	1736	I<MUST> call C<leave_link> as soon as possible, though.
1746		1737
		1738	Will never block.
		1739
1747	=item $player_object->leave_link ($map, $x, $y)	1740	=item $player_object->leave_link ($map, $x, $y)
1748		1741
1749	Moves the player out of the specila link map onto the given map. If the	1742	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	1743	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	1744	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	1745	fails, to the emergency map position.
1753		1746
1754	Might block.	1747	Might block.
1755		1748
1756	=cut	1749	=cut
		1750
		1751	sub link_map {
		1752	unless ($LINK_MAP) {
		1753	$LINK_MAP = cf::map::find "{link}"
		1754	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1755	$LINK_MAP->load;
		1756	}
		1757
		1758	$LINK_MAP
		1759	}
1757		1760
1758	sub cf::object::player::enter_link {	1761	sub cf::object::player::enter_link {
1759	my ($self) = @_;	1762	my ($self) = @_;
1760		1763
1761	$self->deactivate_recursive;	1764	$self->deactivate_recursive;
1762		1765
1763	return if $self->map == $LINK_MAP;	1766	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		1767
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	1769	if $self->map;
1767		1770
1768	$self->enter_map ($LINK_MAP, 20, 20);	1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	1772	}
1770		1773
1771	sub cf::object::player::leave_link {	1774	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	1775	my ($self, $map, $x, $y) = @_;
1773		1776
…		…
1837	=cut	1840	=cut
1838		1841
1839	sub cf::object::player::goto {	1842	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	1843	my ($self, $path, $x, $y) = @_;
1841		1844
1842	$path = new cf::path $path;
1843
1844	$self->enter_link;	1845	$self->enter_link;
1845		1846
1846	(async {	1847	(async {
		1848	my $map = eval {
1847	my $map = cf::map::find $path->as_string;	1849	my $map = cf::map::find $path;
1848	$map = $map->customise_for ($self) if $map;	1850	$map = $map->customise_for ($self) if $map;
1849		1851	$map
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	1852	} or
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		1854
1855	$self->leave_link ($map, $x, $y);	1855	$self->leave_link ($map, $x, $y);
1856	})->prio (1);	1856	})->prio (1);
1857	}	1857	}
1858		1858
…		…
1862		1862
1863	sub parse_random_map_params {	1863	sub parse_random_map_params {
1864	my ($spec) = @_;	1864	my ($spec) = @_;
1865		1865
1866	my $rmp = { # defaults	1866	my $rmp = { # defaults
1867	xsize => 10,	1867	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	1868	ysize => (cf::rndm 15, 40),
		1869	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1870	#layout => string,
1869	};	1871	};
1870		1872
1871	for (split /\n/, $spec) {	1873	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	1874	my ($k, $v) = split /\s+/, $_, 2;
1873		1875
…		…
1877	$rmp	1879	$rmp
1878	}	1880	}
1879		1881
1880	sub prepare_random_map {	1882	sub prepare_random_map {
1881	my ($exit) = @_;	1883	my ($exit) = @_;
		1884
		1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		1886
1883	# all this does is basically replace the /! path by	1887	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	1888	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	1889	# that depends on the exit object
1886		1890
1887	my $rmp = parse_random_map_params $exit->msg;	1891	my $rmp = parse_random_map_params $exit->msg;
1888		1892
1889	if ($exit->map) {	1893	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	1894	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	1895	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	1896	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	1897	$rmp->{origin_y} = $exit->y;
1894	}	1898	}
1895		1899
1896	$rmp->{random_seed} ||= $exit->random_seed;	1900	$rmp->{random_seed} ||= $exit->random_seed;
1897		1901
1898	my $data = cf::to_json $rmp;	1902	my $data = cf::to_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	1903	my $md5 = Digest::MD5::md5_hex $data;
		1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1900		1905
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	1907	aio_write $fh, 0, (length $data), $data, 0;
		1908	undef $fh;
		1909	aio_rename "$meta~", $meta;
1903		1910
1904	$exit->slaying ("?random/$md5");	1911	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	1912	$exit->msg (undef);
1906	}	1913	}
1907	}	1914	}
1908		1915
1909	sub cf::object::player::enter_exit {	1916	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	1917	my ($self, $exit) = @_;
1911		1918
1912	return unless $self->type == cf::PLAYER;	1919	return unless $self->type == cf::PLAYER;
		1920
		1921	if ($exit->slaying eq "/!") {
		1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1923	cf::sync_job { prepare_random_map $exit };
		1924	}
		1925
		1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1927	my $hp = $exit->stats->hp;
		1928	my $sp = $exit->stats->sp;
1913		1929
1914	$self->enter_link;	1930	$self->enter_link;
1915		1931
1916	(async {	1932	(async {
1917	$self->deactivate_recursive; # just to be sure	1933	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	1934	unless (eval {
1919	prepare_random_map $exit	1935	$self->goto ($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		1936
1925	1;	1937	1;
1926	}) {	1938	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	1939	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "I'll try to bring you back to the map you were before. "	1940	. "I'll try to bring you back to the map you were before. "
…		…
2217	sub db_sync() {	2229	sub db_sync() {
2218	db_save if $dirty;	2230	db_save if $dirty;
2219	undef $dirty;	2231	undef $dirty;
2220	}	2232	}
2221		2233
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2234	my $idle = Event->idle (
2223	db_sync;	2235	reentrant => 0,
		2236	min => 10,
		2237	max => 20,
		2238	repeat => 0,
		2239	data => WF_AUTOCANCEL,
		2240	cb => \&db_sync,
2224	});	2241	);
2225		2242
2226	sub db_dirty() {	2243	sub db_dirty() {
2227	$dirty = 1;	2244	$dirty = 1;
2228	$idle->start;	2245	$idle->start;
2229	}	2246	}
…		…
2277		2294
2278	sub main {	2295	sub main {
2279	# we must not ever block the main coroutine	2296	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	2297	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2299	(async {
2282	async { Event::one_event };	2300	Event::one_event;
		2301	})->prio (Coro::PRIO_MAX);
2283	};	2302	};
2284		2303
2285	cfg_load;	2304	cfg_load;
2286	db_load;	2305	db_load;
2287	load_extensions;	2306	load_extensions;
		2307
		2308	$TICK_WATCHER->start;
2288	Event::loop;	2309	Event::loop;
2289	}	2310	}
2290		2311
2291	#############################################################################	2312	#############################################################################
2292	# initialisation and cleanup	2313	# initialisation and cleanup
2293		2314
2294	# install some emergency cleanup handlers	2315	# install some emergency cleanup handlers
2295	BEGIN {	2316	BEGIN {
2296	for my $signal (qw(INT HUP TERM)) {	2317	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	2318	Event->signal (
		2319	reentrant => 0,
2298	data => WF_AUTOCANCEL,	2320	data => WF_AUTOCANCEL,
2299	signal => $signal,	2321	signal => $signal,
		2322	prio => 0,
2300	cb => sub {	2323	cb => sub {
2301	cf::cleanup "SIG$signal";	2324	cf::cleanup "SIG$signal";
2302	},	2325	},
2303	);	2326	);
2304	}	2327	}
2305	}	2328	}
…		…
2310	warn "enter emergency perl save\n";	2333	warn "enter emergency perl save\n";
2311		2334
2312	cf::sync_job {	2335	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	2336	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	2337	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	2338	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	2339	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	2340	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	2341	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	2342	$pl->valid or next;
2320	$pl->save;	2343	$pl->save;
…		…
2334	}	2357	}
2335		2358
2336	sub reload() {	2359	sub reload() {
2337	# can/must only be called in main	2360	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	2361	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	2362	warn "can only reload from main coroutine";
2340	return;	2363	return;
2341	}	2364	}
2342		2365
2343	warn "reloading...";	2366	warn "reloading...";
2344		2367
2345	my $guard = freeze_mainloop;	2368	warn "cancelling server ticker";
		2369	$TICK_WATCHER->cancel;
		2370
2346	cf::emergency_save;	2371	cf::emergency_save;
2347		2372
2348	eval {	2373	eval {
2349	# if anything goes wrong in here, we should simply crash as we already saved	2374	# if anything goes wrong in here, we should simply crash as we already saved
2350		2375
2351	# cancel all watchers	2376	warn "syncing database to disk";
		2377	cf::db_sync;
		2378
		2379	warn "cancelling all WF_AUTOCANCEL watchers";
2352	for (Event::all_watchers) {	2380	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}	2382	}
2355		2383
		2384	warn "flushing outstanding aio requests";
		2385	for (;;) {
		2386	IO::AIO::flush;
		2387	Coro::cede;
		2388	last unless IO::AIO::nreqs;
		2389	warn "iterate...";
		2390	}
		2391
2356	# cancel all extension coros	2392	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	2393	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	2394	%EXT_CORO = ();
2359		2395
2360	# unload all extensions	2396	warn "removing commands";
2361	for (@exts) {	2397	%COMMAND = ();
		2398
		2399	warn "removing ext commands";
		2400	%EXTCMD = ();
		2401
		2402	warn "unloading/nuking all extensions";
		2403	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	2404	warn "... unloading $pkg";
2363	unload_extension $_;	2405
		2406	if (my $cb = $pkg->can ("unload")) {
		2407	eval {
		2408	$cb->($pkg);
		2409	1
		2410	} or warn "$pkg unloaded, but with errors: $@";
2364	}	2411	}
2365		2412
		2413	warn "... nuking $pkg";
		2414	Symbol::delete_package $pkg;
		2415	}
		2416
2366	# unload all modules loaded from $LIBDIR	2417	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	2418	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		2420
2370	warn "removing <$k>";	2421	warn "... unloading $k";
2371	delete $INC{$k};	2422	delete $INC{$k};
2372		2423
2373	$k =~ s/\.pm$//;	2424	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	2425	$k =~ s/\//::/g;
2375		2426
…		…
2378	}	2429	}
2379		2430
2380	Symbol::delete_package $k;	2431	Symbol::delete_package $k;
2381	}	2432	}
2382		2433
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	2434	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	2435	Symbol::delete_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		2437
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	2438	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	2439	delete $INC{"cf.pm"};
2396		2440
2397	# don't, removes xs symbols, too,	2441	# don't, removes xs symbols, too,
2398	# and global variables created in xs	2442	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	2443	#Symbol::delete_package __PACKAGE__;
2400		2444
2401	# reload cf.pm	2445	warn "unload completed, starting to reload now";
		2446
2402	warn "reloading cf.pm";	2447	warn "reloading cf.pm";
2403	require cf;	2448	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		2450
2406	# load config and database again	2451	warn "loading config and database again";
2407	cf::cfg_load;	2452	cf::cfg_load;
2408	cf::db_load;	2453	cf::db_load;
2409		2454
2410	# load extensions
2411	warn "load extensions";	2455	warn "loading extensions";
2412	cf::load_extensions;	2456	cf::load_extensions;
2413		2457
2414	# reattach attachments to objects	2458	warn "reattaching attachments to objects/players";
2415	warn "reattach";
2416	_global_reattach;	2459	_global_reattach;
		2460	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	2461	reattach $_ for values %MAP;
		2462
		2463	warn "restarting server ticker";
		2464
		2465	$TICK_WATCHER->start;
2418	};	2466	};
2419		2467
2420	if ($@) {	2468	if ($@) {
2421	warn $@;	2469	warn $@;
2422	warn "error while reloading, exiting.";	2470	warn "error while reloading, exiting.";
2423	exit 1;	2471	exit 1;
2424	}	2472	}
2425		2473
2426	warn "reloaded successfully";	2474	warn "reloaded";
2427	};	2475	};
2428		2476
2429	#############################################################################	2477	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} = $LINK_MAP;
2470	}
2471
2472	register "<global>", __PACKAGE__;
2473		2478
2474	register_command "reload" => sub {	2479	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	2480	my ($who, $arg) = @_;
2476		2481
2477	if ($who->flag (FLAG_WIZ)) {	2482	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");	2483	$who->message ("reloading server.");
		2484
		2485	# doing reload synchronously and two reloads happen back-to-back,
		2486	# coro crashes during coro_state_free->destroy here.
		2487
		2488	$RELOAD_WATCHER ||= Event->timer (
		2489	reentrant => 0,
		2490	after => 0,
		2491	data => WF_AUTOCANCEL,
		2492	cb => sub {
2479	reload;	2493	reload;
2480	$who->message ("end of reload.");	2494	undef $RELOAD_WATCHER;
		2495	},
		2496	);
2481	}	2497	}
2482	};	2498	};
2483		2499
2484	unshift @INC, $LIBDIR;	2500	unshift @INC, $LIBDIR;
		2501
		2502	my $bug_warning = 0;
2485		2503
2486	$TICK_WATCHER = Event->timer (	2504	$TICK_WATCHER = Event->timer (
2487	reentrant => 0,	2505	reentrant => 0,
		2506	parked => 1,
2488	prio => 0,	2507	prio => 0,
2489	at => $NEXT_TICK || $TICK,	2508	at => $NEXT_TICK || $TICK,
2490	data => WF_AUTOCANCEL,	2509	data => WF_AUTOCANCEL,
2491	cb => sub {	2510	cb => sub {
		2511	if ($Coro::current != $Coro::main) {
		2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2513	unless ++$bug_warning > 10;
		2514	return;
		2515	}
		2516
		2517	$NOW = Event::time;
		2518
2492	cf::server_tick; # one server iteration	2519	cf::server_tick; # one server iteration
2493	$RUNTIME += $TICK;	2520	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	2521	$NEXT_TICK += $TICK;
2495		2522
2496	$WAIT_FOR_TICK->broadcast;	2523	$WAIT_FOR_TICK->broadcast;
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2525
		2526	Event::sweep;
		2527	Coro::cede_notself;
		2528
		2529	# my $AFTER = Event::time;
		2530	# warn $AFTER - $NOW;#d#
2498		2531
2499	# if we are delayed by four ticks or more, skip them all	2532	# if we are delayed by four ticks or more, skip them all
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501		2534
2502	$TICK_WATCHER->at ($NEXT_TICK);	2535	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;	2536	$TICK_WATCHER->start;
2504	},	2537	},
2505	);	2538	);
2506		2539
2507	IO::AIO::max_poll_time $TICK * 0.2;	2540	IO::AIO::max_poll_time $TICK * 0.1;
2508		2541
2509	Event->io (	2542	undef $Coro::AIO::WATCHER;
		2543	$AIO_POLL_WATCHER = Event->io (
		2544	reentrant => 0,
2510	fd => IO::AIO::poll_fileno,	2545	fd => IO::AIO::poll_fileno,
2511	poll => 'r',	2546	poll => 'r',
2512	prio => 5,	2547	prio => 6,
2513	data => WF_AUTOCANCEL,	2548	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,	2549	cb => \&IO::AIO::poll_cb,
2515	);	2550	);
2516		2551
2517	Event->timer (	2552	$WRITE_RUNTIME_WATCHER = Event->timer (
		2553	reentrant => 0,
2518	data => WF_AUTOCANCEL,	2554	data => WF_AUTOCANCEL,
2519	after => 0,	2555	after => 1,
2520	interval => 10,	2556	interval => 10,
2521	cb => sub {	2557	prio => 6, # keep it lowest so it acts like a watchdog
2522	(Coro::unblock_sub {	2558	cb => Coro::unblock_sub {
2523	write_runtime	2559	write_runtime
2524	or warn "ERROR: unable to write runtime file: $!";	2560	or warn "ERROR: unable to write runtime file: $!";
2525	})->();
2526	},	2561	},
2527	);	2562	);
2528		2563
2529	END { cf::emergency_save }	2564	END { cf::emergency_save }
2530		2565

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