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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 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	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		378
490	#############################################################################	379	#############################################################################
491		380
492	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
493		382
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	509	our @CB_MAP = ();
621		510
622	my %attachment;	511	my %attachment;
623		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
624	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
626		521
627	use sort 'stable';	522	use sort 'stable';
628		523
…		…
799	# object support	694	# object support
800		695
801	sub reattach {	696	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		701
805	my $registry = $obj->registry;	702	my $registry = $obj->registry;
806		703
807	@$registry = ();	704	@$registry = ();
808		705
…		…
879	}	776	}
880	} else {	777	} else {
881	aio_unlink $filename;	778	aio_unlink $filename;
882	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
883	}	780	}
		781
		782	#d##TODO# nuke non .map-files if exist
		783	if ($filename =~ s/\.map$//) {
		784	aio_unlink $filename;
		785	aio_unlink "$filename.pst";
		786	}
884	}	787	}
885	}	788	}
886		789
887	sub object_freezer_as_string {	790	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	791	my ($rdata, $objs) = @_;
…		…
894		797
895	sub object_thawer_load {	798	sub object_thawer_load {
896	my ($filename) = @_;	799	my ($filename) = @_;
897		800
898	my ($data, $av);	801	my ($data, $av);
		802
		803	#d#TODO remove .map if file does not exist
		804	aio_stat $filename and $filename =~ s/\.map$//;
899		805
900	(aio_load $filename, $data) >= 0	806	(aio_load $filename, $data) >= 0
901	or return;	807	or return;
902		808
903	unless (aio_stat "$filename.pst") {	809	unless (aio_stat "$filename.pst") {
…		…
940	=cut	846	=cut
941		847
942	sub register_extcmd {	848	sub register_extcmd {
943	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
944		850
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
949	}	852	}
950		853
951	cf::player->attach (	854	cf::player->attach (
952	on_command => sub {	855	on_command => sub {
953	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
966		869
967	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
968		871
969	if (ref $msg) {	872	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	876	}
974	}	877	}
975	} else {	878	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		881
979	cf::override;	882	cf::override;
980	},	883	},
981	);	884	);
982		885
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	886	sub load_extension {
990	my ($path) = @_;	887	my ($path) = @_;
991		888
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;	890	my $base = $1;
994	my $pkg = $1;	891	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
997		894
998	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
999		896
1000	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
1001	or die "$path: $!";	898	or die "$path: $!";
1002		899
1003	my $source =	900	my $source =
1004	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
1007	. "\n};\n1";	904	. "\n};\n1";
1008		905
1009	eval $source	906	unless (eval $source) {
1010	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
1011	: "extension disabled.\n";	908	: "extension disabled.\n";
1012		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013	push @exts, $pkg;	910	warn $@;
1014	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
1015		912	exit 1;
1016	# no strict 'refs';	913	}
1017	# @{"$pkg\::ISA"} = ext::;	914	die $@;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }	915	}
1032		916
1033	# remove commands	917	push @EXTS, $pkg;
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	918	}
1058		919
1059	sub load_extensions {	920	sub load_extensions {
1060	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	922	next unless -r $ext;
…		…
1065	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1066	}	927	}
1067	}	928	}
1068		929
1069	#############################################################################	930	#############################################################################
1070	# load/save/clean perl data associated with a map
1071
1072	*cf::mapsupport::on_clean = sub {
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		931
1085	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1086		933
1087	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1088		935
…		…
1124		971
1125	sub exists($) {	972	sub exists($) {
1126	my ($login) = @_;	973	my ($login) = @_;
1127		974
1128	$cf::PLAYER{$login}	975	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	976	or cf::sync_job { !aio_stat path $login }
1130	}	977	}
1131		978
1132	sub find($) {	979	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	980	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	981	my $login = $_[0];
…		…
1224	\@logins	1071	\@logins
1225	}	1072	}
1226		1073
1227	=item $player->maps	1074	=item $player->maps
1228		1075
1229	Returns an arrayref of cf::path's of all maps that are private for this	1076	Returns an arrayref of map paths that are private for this
1230	player. May block.	1077	player. May block.
1231		1078
1232	=cut	1079	=cut
1233		1080
1234	sub maps($) {	1081	sub maps($) {
…		…
1240	my @paths;	1087	my @paths;
1241		1088
1242	for (@$files) {	1089	for (@$files) {
1243	utf8::decode $_;	1090	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1091	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1092	next unless /^$PATH_SEP/o;
1246		1093
1247	s/$PATH_SEP/\//g;
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;
1249	}	1095	}
1250		1096
1251	\@paths	1097	\@paths
1252	}	1098	}
1253		1099
…		…
1279	package cf::map;	1125	package cf::map;
1280		1126
1281	use Fcntl;	1127	use Fcntl;
1282	use Coro::AIO;	1128	use Coro::AIO;
1283		1129
		1130	use overload
		1131	'""' => \&as_string,
		1132	fallback => 1;
		1133
1284	our $MAX_RESET = 3600;	1134	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1135	our $DEFAULT_RESET = 3000;
1286		1136
1287	sub generate_random_map {	1137	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1138	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1139	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1140	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1144	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1145	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1146	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1147	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1148	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$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},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1150	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(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
1304	}	1282	}
1305		1283
1306	# and all this just because we cannot iterate over	1284	# and all this just because we cannot iterate over
1307	# all maps in C++...	1285	# all maps in C++...
1308	sub change_all_map_light {	1286	sub change_all_map_light {
…		…
1310		1288
1311	$_->change_map_light ($change)	1289	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1290	for grep $_->outdoor, values %cf::MAP;
1313	}	1291	}
1314		1292
		1293	sub unlink_save {
		1294	my ($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
1315	sub try_load_header($) {	1306	sub load_header_from($) {
1316	my ($path) = @_;	1307	my ($self, $path) = @_;
1317		1308
1318	utf8::encode $path;	1309	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1310	#aio_open $path, O_RDONLY, 0
		1311	# or return;
		1312
		1313	$self->_load_header ($path)
1320	or return;	1314	or return;
1321		1315
1322	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
1323	or return;	1359	or return;
		1360	$self->prepare_orig;
		1361	}
1324		1362
1325	# for better error messages only, will be overwritten	1363	1
1326	$map->path ($path);
1327
1328	$map->load_header ($path)
1329	or return;
1330
1331	$map->{load_path} = $path;
1332
1333	$map
1334	}	1364	}
1335		1365
1336	sub find;	1366	sub find;
1337	sub find {	1367	sub find {
1338	my ($path, $origin) = @_;	1368	my ($path, $origin) = @_;
1339		1369
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1370	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1371
1345	cf::lock_wait "map_find:$key";	1372	cf::lock_wait "map_find:$path";
1346		1373
1347	$cf::MAP{$key} || do {	1374	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1375	my $guard = cf::lock_acquire "map_find:$path";
1349		1376	my $map = new_from_path cf::map $path
1350	# do it the slow way
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1377	or return;
1369		1378
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1379	$map->{last_save} = $cf::RUNTIME;
1382		1380
1383	Coro::cede;	1381	$map->load_header
		1382	or return;
1384		1383
1385	if ($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;
1386	$map->reset;	1387	$map->reset;
1387	undef $guard;	1388	undef $guard;
1388	$map = find $path	1389	return find $path;
1389	or return;
1390	}	1390	}
1391		1391
1392	$cf::MAP{$key} = $map	1392	$cf::MAP{$path} = $map
1393	}	1393	}
1394	}	1394	}
		1395
		1396	sub pre_load { }
		1397	sub post_load { }
1395		1398
1396	sub load {	1399	sub load {
1397	my ($self) = @_;	1400	my ($self) = @_;
1398		1401
		1402	local $self->{deny_reset} = 1; # loading can take a long time
		1403
1399	my $path = $self->{path};	1404	my $path = $self->{path};
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1405	my $guard = cf::lock_acquire "map_load:$path";
1401		1406
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1407	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1408
1404	$self->in_memory (cf::MAP_LOADING);	1409	$self->in_memory (cf::MAP_LOADING);
1405		1410
1406	$self->alloc;	1411	$self->alloc;
		1412
		1413	$self->pre_load;
		1414
1407	$self->load_objects ($self->{load_path}, 1)	1415	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1416	or return;
1409		1417
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1419	if delete $self->{load_original};
1412		1420
1413	if (my $uniq = $path->uniq_path) {	1421	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1422	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1423	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1424	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1425	$self->_load_objects ($uniq, 0);
1418	}	1426	}
1419	}	1427	}
1420		1428
1421	Coro::cede;	1429	Coro::cede;
1422		1430
1423	# now do the right thing for maps	1431	# now do the right thing for maps
1424	$self->link_multipart_objects;	1432	$self->link_multipart_objects;
1425		1433
1426	if ($self->{path}->is_style_map) {	1434	unless ($self->{deny_activate}) {
1427	$self->{deny_save} = 1;	1435	$self->decay_objects;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;	1436	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;	1437	$self->update_buttons;
		1438	Coro::cede;
1433	$self->set_darkness_map;	1439	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1440	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1441	unless $self->difficulty;
		1442	Coro::cede;
1436	$self->activate;	1443	$self->activate;
1437	}	1444	}
1438		1445
1439	Coro::cede;	1446	$self->post_load;
1440		1447
1441	$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	$self
1442	}	1458	}
1443		1459
1444	# find and load all maps in the 3x3 area around a map	1460	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	1461	sub load_diag {
1446	my ($map) = @_;	1462	my ($map) = @_;
…		…
1476		1492
1477	cf::sync_job { $map->load };	1493	cf::sync_job { $map->load };
1478	}	1494	}
1479		1495
1480	our %MAP_PREFETCH;	1496	our %MAP_PREFETCH;
1481	our $MAP_PREFETCHER = Coro::async {	1497	our $MAP_PREFETCHER = undef;
1482	while () {
1483	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH
1485	or next;
1486	my $path = delete $MAP_PREFETCH{$key};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}
1492	Coro::schedule;
1493	}
1494	};
1495		1498
1496	sub find_async {	1499	sub find_async {
1497	my ($path, $origin) = @_;	1500	my ($path, $origin) = @_;
1498		1501
1499	$path = new cf::path $path, $origin && $origin->path;	1502	$path = normalise $path, $origin && $origin->{path};
1500	my $key = $path->as_string;
1501		1503
1502	if (my $map = $cf::MAP{$key}) {	1504	if (my $map = $cf::MAP{$path}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}	1506	}
1505		1507
1506	$MAP_PREFETCH{$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	};
1507	$MAP_PREFETCHER->ready;	1521	$MAP_PREFETCHER->prio (6);
1508		1522
1509	()	1523	()
1510	}	1524	}
1511		1525
1512	sub save {	1526	sub save {
…		…
1516		1530
1517	$self->{last_save} = $cf::RUNTIME;	1531	$self->{last_save} = $cf::RUNTIME;
1518		1532
1519	return unless $self->dirty;	1533	return unless $self->dirty;
1520		1534
1521	my $save = $self->{path}->save_path; utf8::encode $save;	1535	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1536	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		1537
1524	$self->{load_path} = $save;	1538	$self->{load_path} = $save;
1525		1539
1526	return if $self->{deny_save};	1540	return if $self->{deny_save};
1527		1541
…		…
1530	cf::async {	1544	cf::async {
1531	$_->contr->save for $self->players;	1545	$_->contr->save for $self->players;
1532	};	1546	};
1533		1547
1534	if ($uniq) {	1548	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	1551	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1552	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	1553	}
1540	}	1554	}
1541		1555
1542	sub swap_out {	1556	sub swap_out {
1543	my ($self) = @_;	1557	my ($self) = @_;
…		…
1557		1571
1558	sub reset_at {	1572	sub reset_at {
1559	my ($self) = @_;	1573	my ($self) = @_;
1560		1574
1561	# TODO: safety, remove and allow resettable per-player maps	1575	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};	1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	1577	return 1e99 if $self->{deny_reset};
1564		1578
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		1581
…		…
1572	my ($self) = @_;	1586	my ($self) = @_;
1573		1587
1574	$self->reset_at <= $cf::RUNTIME	1588	$self->reset_at <= $cf::RUNTIME
1575	}	1589	}
1576		1590
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	1591	sub reset {
1599	my ($self) = @_;	1592	my ($self) = @_;
1600		1593
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	1594	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		1595
1603	return if $self->players;	1596	return if $self->players;
1604	return if $self->{path}{user_rel};#d#	1597	return if $self->isa ("ext::map_per_player");#d#
1605		1598
1606	warn "resetting map ", $self->path;#d#	1599	warn "resetting map ", $self->path;#d#
1607		1600
1608	delete $cf::MAP{$self->path};	1601	delete $cf::MAP{$self->path};
		1602
		1603	$self->in_memory (cf::MAP_SWAPPED);
		1604	$self->clear;
1609		1605
1610	$_->clear_links_to ($self) for values %cf::MAP;	1606	$_->clear_links_to ($self) for values %cf::MAP;
1611		1607
1612	$self->unlink_save;	1608	$self->unlink_save;
1613	$self->destroy;	1609	$self->destroy;
…		…
1616	my $nuke_counter = "aaaa";	1612	my $nuke_counter = "aaaa";
1617		1613
1618	sub nuke {	1614	sub nuke {
1619	my ($self) = @_;	1615	my ($self) = @_;
1620		1616
		1617	delete $cf::MAP{$self->path};
		1618
		1619	$self->unlink_save;
		1620
		1621	bless $self, "cf::map";
		1622	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	1623	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	1624	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1626
		1627	$cf::MAP{$self->path} = $self;
		1628
1624	$self->reset; # polite request, might not happen	1629	$self->reset; # polite request, might not happen
1625	}	1630	}
1626		1631
1627	sub customise_for {	1632	=item cf::map::unique_maps
1628	my ($map, $ob) = @_;
1629		1633
1630	if ($map->per_player) {	1634	Returns an arrayref of paths of all shared maps that have
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1635	instantiated unique items. May block.
1632	}
1633		1636
1634	$map	1637	=cut
		1638
		1639	sub unique_maps() {
		1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1641	or return;
		1642
		1643	my @paths;
		1644
		1645	for (@$files) {
		1646	utf8::decode $_;
		1647	next if /\.pst$/;
		1648	next unless /^$PATH_SEP/o;
		1649
		1650	push @paths, cf::map::normalise $_;
		1651	}
		1652
		1653	\@paths
1635	}	1654	}
1636		1655
1637	package cf;	1656	package cf;
1638		1657
1639	=back	1658	=back
…		…
1711		1730
1712	=item $player_object->enter_link	1731	=item $player_object->enter_link
1713		1732
1714	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}>).
1715		1734
1716	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
1717	I<MUST> call C<leave_link> as soon as possible, though.	1736	I<MUST> call C<leave_link> as soon as possible, though.
1718		1737
		1738	Will never block.
		1739
1719	=item $player_object->leave_link ($map, $x, $y)	1740	=item $player_object->leave_link ($map, $x, $y)
1720		1741
1721	Moves the player out of the specila link map onto the given map. If the	1742	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	1743	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	1744	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	1745	fails, to the emergency map position.
1725		1746
1726	Might block.	1747	Might block.
1727		1748
1728	=cut	1749	=cut
		1750
		1751	sub link_map {
		1752	unless ($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	$LINK_MAP
		1759	}
1729		1760
1730	sub cf::object::player::enter_link {	1761	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1762	my ($self) = @_;
1732		1763
1733	$self->deactivate_recursive;	1764	$self->deactivate_recursive;
1734		1765
1735	return if $self->map == $LINK_MAP;	1766	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1767
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1769	if $self->map;
1739		1770
1740	$self->enter_map ($LINK_MAP, 20, 20);	1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1772	}
1742		1773
1743	sub cf::object::player::leave_link {	1774	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1775	my ($self, $map, $x, $y) = @_;
1745		1776
…		…
1809	=cut	1840	=cut
1810		1841
1811	sub cf::object::player::goto {	1842	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	1843	my ($self, $path, $x, $y) = @_;
1813		1844
1814	$path = new cf::path $path;
1815	$path ne "/" or Carp::cluck ("oy");#d#
1816
1817	$self->enter_link;	1845	$self->enter_link;
1818		1846
1819	(async {	1847	(async {
		1848	my $map = eval {
1820	my $map = cf::map::find $path->as_string;	1849	my $map = cf::map::find $path;
1821	$map = $map->customise_for ($self) if $map;	1850	$map = $map->customise_for ($self) if $map;
1822		1851	$map
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	1852	} or
1824	# if $map;
1825
1826	$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);
1827		1854
1828	$self->leave_link ($map, $x, $y);	1855	$self->leave_link ($map, $x, $y);
1829	})->prio (1);	1856	})->prio (1);
1830	}	1857	}
1831		1858
…		…
1835		1862
1836	sub parse_random_map_params {	1863	sub parse_random_map_params {
1837	my ($spec) = @_;	1864	my ($spec) = @_;
1838		1865
1839	my $rmp = { # defaults	1866	my $rmp = { # defaults
1840	xsize => 10,	1867	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	1868	ysize => (cf::rndm 15, 40),
		1869	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1870	#layout => string,
1842	};	1871	};
1843		1872
1844	for (split /\n/, $spec) {	1873	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	1874	my ($k, $v) = split /\s+/, $_, 2;
1846		1875
…		…
1850	$rmp	1879	$rmp
1851	}	1880	}
1852		1881
1853	sub prepare_random_map {	1882	sub prepare_random_map {
1854	my ($exit) = @_;	1883	my ($exit) = @_;
		1884
		1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1855		1886
1856	# all this does is basically replace the /! path by	1887	# all this does is basically replace the /! path by
1857	# a new random map path (?random/...) with a seed	1888	# a new random map path (?random/...) with a seed
1858	# that depends on the exit object	1889	# that depends on the exit object
1859		1890
1860	my $rmp = parse_random_map_params $exit->msg;	1891	my $rmp = parse_random_map_params $exit->msg;
1861		1892
1862	if ($exit->map) {	1893	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	1894	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	1895	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	1896	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	1897	$rmp->{origin_y} = $exit->y;
1867	}	1898	}
1868		1899
1869	$rmp->{random_seed} ||= $exit->random_seed;	1900	$rmp->{random_seed} ||= $exit->random_seed;
1870		1901
1871	my $data = cf::to_json $rmp;	1902	my $data = cf::to_json $rmp;
1872	my $md5 = Digest::MD5::md5_hex $data;	1903	my $md5 = Digest::MD5::md5_hex $data;
		1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1873		1905
1874	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) {
1875	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;
1876		1910
1877	$exit->slaying ("?random/$md5");	1911	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	1912	$exit->msg (undef);
1879	}	1913	}
1880	}	1914	}
1881		1915
1882	sub cf::object::player::enter_exit {	1916	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	1917	my ($self, $exit) = @_;
1884		1918
1885	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;
1886		1929
1887	$self->enter_link;	1930	$self->enter_link;
1888		1931
1889	(async {	1932	(async {
1890	$self->deactivate_recursive; # just to be sure	1933	$self->deactivate_recursive; # just to be sure
1891	unless (eval {	1934	unless (eval {
1892	prepare_random_map $exit	1935	$self->goto ($slaying, $hp, $sp);
1893	if $exit->slaying eq "/!";
1894
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897		1936
1898	1;	1937	1;
1899	}) {	1938	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	1939	$self->message ("Something went wrong deep within the crossfire server. "
1901	. "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. "
1902	. "Please report this to the dungeon master",	1941	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	1942	cf::NDI_UNIQUE | cf::NDI_RED);
1904		1943
1905	warn "ERROR in enter_exit: $@";	1944	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	1945	$self->leave_link;
1907	}	1946	}
…		…
2190	sub db_sync() {	2229	sub db_sync() {
2191	db_save if $dirty;	2230	db_save if $dirty;
2192	undef $dirty;	2231	undef $dirty;
2193	}	2232	}
2194		2233
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2234	my $idle = Event->idle (
2196	db_sync;	2235	reentrant => 0,
		2236	min => 10,
		2237	max => 20,
		2238	repeat => 0,
		2239	data => WF_AUTOCANCEL,
		2240	cb => \&db_sync,
2197	});	2241	);
2198		2242
2199	sub db_dirty() {	2243	sub db_dirty() {
2200	$dirty = 1;	2244	$dirty = 1;
2201	$idle->start;	2245	$idle->start;
2202	}	2246	}
…		…
2250		2294
2251	sub main {	2295	sub main {
2252	# we must not ever block the main coroutine	2296	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	2297	local $Coro::idle = sub {
2254	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 {
2255	async { Event::one_event };	2300	Event::one_event;
		2301	})->prio (Coro::PRIO_MAX);
2256	};	2302	};
2257		2303
2258	cfg_load;	2304	cfg_load;
2259	db_load;	2305	db_load;
2260	load_extensions;	2306	load_extensions;
		2307
		2308	$TICK_WATCHER->start;
2261	Event::loop;	2309	Event::loop;
2262	}	2310	}
2263		2311
2264	#############################################################################	2312	#############################################################################
2265	# initialisation and cleanup	2313	# initialisation and cleanup
2266		2314
2267	# install some emergency cleanup handlers	2315	# install some emergency cleanup handlers
2268	BEGIN {	2316	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	2317	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	2318	Event->signal (
		2319	reentrant => 0,
2271	data => WF_AUTOCANCEL,	2320	data => WF_AUTOCANCEL,
2272	signal => $signal,	2321	signal => $signal,
		2322	prio => 0,
2273	cb => sub {	2323	cb => sub {
2274	cf::cleanup "SIG$signal";	2324	cf::cleanup "SIG$signal";
2275	},	2325	},
2276	);	2326	);
2277	}	2327	}
2278	}	2328	}
…		…
2283	warn "enter emergency perl save\n";	2333	warn "enter emergency perl save\n";
2284		2334
2285	cf::sync_job {	2335	cf::sync_job {
2286	# use a peculiar iteration method to avoid tripping on perl	2336	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	2337	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	2338	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	2339	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	2340	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	2341	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	2342	$pl->valid or next;
2293	$pl->save;	2343	$pl->save;
…		…
2307	}	2357	}
2308		2358
2309	sub reload() {	2359	sub reload() {
2310	# can/must only be called in main	2360	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	2361	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	2362	warn "can only reload from main coroutine";
2313	return;	2363	return;
2314	}	2364	}
2315		2365
2316	warn "reloading...";	2366	warn "reloading...";
2317		2367
2318	my $guard = freeze_mainloop;	2368	warn "cancelling server ticker";
		2369	$TICK_WATCHER->cancel;
		2370
2319	cf::emergency_save;	2371	cf::emergency_save;
2320		2372
2321	eval {	2373	eval {
2322	# 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
2323		2375
2324	# cancel all watchers	2376	warn "syncing database to disk";
		2377	cf::db_sync;
		2378
		2379	warn "cancelling all WF_AUTOCANCEL watchers";
2325	for (Event::all_watchers) {	2380	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}	2382	}
2328		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
2329	# cancel all extension coros	2392	warn "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	2393	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	2394	%EXT_CORO = ();
2332		2395
2333	# unload all extensions	2396	warn "removing commands";
2334	for (@exts) {	2397	%COMMAND = ();
		2398
		2399	warn "removing ext commands";
		2400	%EXTCMD = ();
		2401
		2402	warn "unloading/nuking all extensions";
		2403	for my $pkg (@EXTS) {
2335	warn "unloading <$_>";	2404	warn "... unloading $pkg";
2336	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: $@";
2337	}	2411	}
2338		2412
		2413	warn "... nuking $pkg";
		2414	Symbol::delete_package $pkg;
		2415	}
		2416
2339	# unload all modules loaded from $LIBDIR	2417	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	2418	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		2420
2343	warn "removing <$k>";	2421	warn "... unloading $k";
2344	delete $INC{$k};	2422	delete $INC{$k};
2345		2423
2346	$k =~ s/\.pm$//;	2424	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	2425	$k =~ s/\//::/g;
2348		2426
…		…
2351	}	2429	}
2352		2430
2353	Symbol::delete_package $k;	2431	Symbol::delete_package $k;
2354	}	2432	}
2355		2433
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	2434	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	2435	Symbol::delete_package "safe::$_"
2362	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);
2363		2437
2364	# remove register_script_function callbacks
2365	# TODO
2366
2367	# unload cf.pm "a bit"	2438	warn "unloading cf.pm \"a bit\"";
2368	delete $INC{"cf.pm"};	2439	delete $INC{"cf.pm"};
2369		2440
2370	# don't, removes xs symbols, too,	2441	# don't, removes xs symbols, too,
2371	# and global variables created in xs	2442	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	2443	#Symbol::delete_package __PACKAGE__;
2373		2444
2374	# reload cf.pm	2445	warn "unload completed, starting to reload now";
		2446
2375	warn "reloading cf.pm";	2447	warn "reloading cf.pm";
2376	require cf;	2448	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		2450
2379	# load config and database again	2451	warn "loading config and database again";
2380	cf::cfg_load;	2452	cf::cfg_load;
2381	cf::db_load;	2453	cf::db_load;
2382		2454
2383	# load extensions
2384	warn "load extensions";	2455	warn "loading extensions";
2385	cf::load_extensions;	2456	cf::load_extensions;
2386		2457
2387	# reattach attachments to objects	2458	warn "reattaching attachments to objects/players";
2388	warn "reattach";
2389	_global_reattach;	2459	_global_reattach;
		2460	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	2461	reattach $_ for values %MAP;
		2462
		2463	warn "restarting server ticker";
		2464
		2465	$TICK_WATCHER->start;
2391	};	2466	};
2392		2467
2393	if ($@) {	2468	if ($@) {
2394	warn $@;	2469	warn $@;
2395	warn "error while reloading, exiting.";	2470	warn "error while reloading, exiting.";
2396	exit 1;	2471	exit 1;
2397	}	2472	}
2398		2473
2399	warn "reloaded successfully";	2474	warn "reloaded";
2400	};	2475	};
2401		2476
2402	#############################################################################	2477	our $RELOAD_WATCHER; # used only during reload
2403
2404	unless ($LINK_MAP) {
2405	$LINK_MAP = cf::map::new;
2406
2407	$LINK_MAP->width (41);
2408	$LINK_MAP->height (41);
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,
2417	cb => sub {
2418	$_[0]->w->cancel;
2419
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});
2438
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}
2444
2445	register "<global>", __PACKAGE__;
2446		2478
2447	register_command "reload" => sub {	2479	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	2480	my ($who, $arg) = @_;
2449		2481
2450	if ($who->flag (FLAG_WIZ)) {	2482	if ($who->flag (FLAG_WIZ)) {
2451	$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 {
2452	reload;	2493	reload;
2453	$who->message ("end of reload.");	2494	undef $RELOAD_WATCHER;
		2495	},
		2496	);
2454	}	2497	}
2455	};	2498	};
2456		2499
2457	unshift @INC, $LIBDIR;	2500	unshift @INC, $LIBDIR;
		2501
		2502	my $bug_warning = 0;
2458		2503
2459	$TICK_WATCHER = Event->timer (	2504	$TICK_WATCHER = Event->timer (
2460	reentrant => 0,	2505	reentrant => 0,
		2506	parked => 1,
2461	prio => 0,	2507	prio => 0,
2462	at => $NEXT_TICK || $TICK,	2508	at => $NEXT_TICK || $TICK,
2463	data => WF_AUTOCANCEL,	2509	data => WF_AUTOCANCEL,
2464	cb => sub {	2510	cb => sub {
		2511	if ($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
2465	cf::server_tick; # one server iteration	2519	cf::server_tick; # one server iteration
2466	$RUNTIME += $TICK;	2520	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;	2521	$NEXT_TICK += $TICK;
2468		2522
2469	$WAIT_FOR_TICK->broadcast;	2523	$WAIT_FOR_TICK->broadcast;
2470	$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#
2471		2531
2472	# 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
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2474		2534
2475	$TICK_WATCHER->at ($NEXT_TICK);	2535	$TICK_WATCHER->at ($NEXT_TICK);
2476	$TICK_WATCHER->start;	2536	$TICK_WATCHER->start;
2477	},	2537	},
2478	);	2538	);
2479		2539
2480	IO::AIO::max_poll_time $TICK * 0.2;	2540	IO::AIO::max_poll_time $TICK * 0.1;
2481		2541
2482	Event->io (	2542	undef $Coro::AIO::WATCHER;
		2543	$AIO_POLL_WATCHER = Event->io (
		2544	reentrant => 0,
2483	fd => IO::AIO::poll_fileno,	2545	fd => IO::AIO::poll_fileno,
2484	poll => 'r',	2546	poll => 'r',
2485	prio => 5,	2547	prio => 6,
2486	data => WF_AUTOCANCEL,	2548	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,	2549	cb => \&IO::AIO::poll_cb,
2488	);	2550	);
2489		2551
2490	Event->timer (	2552	$WRITE_RUNTIME_WATCHER = Event->timer (
		2553	reentrant => 0,
2491	data => WF_AUTOCANCEL,	2554	data => WF_AUTOCANCEL,
2492	after => 0,	2555	after => 1,
2493	interval => 10,	2556	interval => 10,
2494	cb => sub {	2557	prio => 6, # keep it lowest so it acts like a watchdog
2495	(Coro::unblock_sub {	2558	cb => Coro::unblock_sub {
2496	write_runtime	2559	write_runtime
2497	or warn "ERROR: unable to write runtime file: $!";	2560	or warn "ERROR: unable to write runtime file: $!";
2498	})->();
2499	},	2561	},
2500	);	2562	);
2501		2563
2502	END { cf::emergency_save }	2564	END { cf::emergency_save }
2503		2565

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