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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.228 by root, Mon Mar 26 16:53:33 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
20	use Data::Dumper;	23	use Data::Dumper;
21	use Digest::MD5;	24	use Digest::MD5;
22	use Fcntl;	25	use Fcntl;
		26	use YAML::Syck ();
23	use IO::AIO 2.32 ();	27	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
26		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		37
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
33		40
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		42
		43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		44
36	our %COMMAND = ();	45	our %COMMAND = ();
37	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
38		47
39	our @EXTS = (); # list of extension package names	48	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	49	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
42		52
		53	our $RELOAD; # number of reloads so far
43	our @EVENT;	54	our @EVENT;
44	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
45		56
46	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
47	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	61	our $NEXT_TICK;
49	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
50		67
51	our %CFG;	68	our %CFG;
52		69
53	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	71	our $RUNTIME;
55		72
56	our %PLAYER; # all users	73	our %PLAYER; # all users
57	our %MAP; # all maps	74	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
		77	our $BDB_ENV_DIR = cf::localdir . "/db";
60		78
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
63		84
64	binmode STDOUT;	85	binmode STDOUT;
65	binmode STDERR;	86	binmode STDERR;
66		87
67	# read virtual server time, if available	88	# read virtual server time, if available
…		…
74	mkdir cf::localdir;	95	mkdir cf::localdir;
75	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
76	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
79		101
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
83		105
84	#############################################################################	106	#############################################################################
85		107
86	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
87		109
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	209	$d
188	} || "[unable to dump $_[0]: '$@']";	210	} || "[unable to dump $_[0]: '$@']";
189	}	211	}
190		212
191	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
192		214
193	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
194		216
195	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
196		218
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
205		220
206	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
207
208	=cut
209
210	sub to_json($) {
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
212	JSON::Syck::Dump $_[0]
213	}
214		222
215	=item cf::lock_wait $string	223	=item cf::lock_wait $string
216		224
217	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
218		226
…		…
255	}	263	}
256		264
257	sub freeze_mainloop {	265	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
259		267
260	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
261	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
262	$guard	272	$guard
263	}	273	}
264		274
265	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
336		346
337	$coro	347	$coro
338	}	348	}
339		349
340	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
341	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
342		354
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
344	or return;	356	or return;
345		357
		358	my $value = $cf::RUNTIME + 90 + 10;
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;	363	and return;
349		364
		365	# always fsync - this file is important
350	aio_fsync $fh	366	aio_fsync $fh
351	and return;	367	and return;
352		368
353	close $fh	369	close $fh
354	or return;	370	or return;
…		…
360	}	376	}
361		377
362	=back	378	=back
363		379
364	=cut	380	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		381
493	#############################################################################	382	#############################################################################
494		383
495	=head2 ATTACHABLE OBJECTS	384	=head2 ATTACHABLE OBJECTS
496		385
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	511	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	512	our @CB_MAP = ();
624		513
625	my %attachment;	514	my %attachment;
626		515
		516	sub cf::attachable::thawer_merge {
		517	# simply override everything except _meta
		518	local $_[0]{_meta};
		519	%{$_[0]} = %{$_[1]};
		520	}
		521
627	sub _attach_cb($$$$) {	522	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	523	my ($registry, $event, $prio, $cb) = @_;
629		524
630	use sort 'stable';	525	use sort 'stable';
631		526
…		…
802	# object support	697	# object support
803		698
804	sub reattach {	699	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	700	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	701	my ($obj) = @_;
		702
		703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		704
808	my $registry = $obj->registry;	705	my $registry = $obj->registry;
809		706
810	@$registry = ();	707	@$registry = ();
811		708
…		…
858	$filename, length $$rdata, scalar @$objs;	755	$filename, length $$rdata, scalar @$objs;
859		756
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	758	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	760	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	761	close $fh;
865		762
866	if (@$objs) {	763	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	765	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	766	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	767	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	769	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	770	aio_rename "$filename.pst~", "$filename.pst";
874	}	771	}
875	} else {	772	} else {
876	aio_unlink "$filename.pst";	773	aio_unlink "$filename.pst";
…		…
987	my $base = $1;	884	my $base = $1;
988	my $pkg = $1;	885	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	886	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	887	$pkg = "ext::$pkg";
991		888
992	warn "loading '$path' into '$pkg'\n";	889	warn "... loading '$path' into '$pkg'\n";
993		890
994	open my $fh, "<:utf8", $path	891	open my $fh, "<:utf8", $path
995	or die "$path: $!";	892	or die "$path: $!";
996		893
997	my $source =	894	my $source =
998	"package $pkg; use strict; use utf8;\n"	895	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	896	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	897	. (do { local $/; <$fh> })
1001	. "\n};\n1";	898	. "\n};\n1";
1002		899
1003	eval $source	900	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	901	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	902	: "extension disabled.\n";
		903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		904	warn $@;
		905	warn "mandatory extension failed to load, exiting.\n";
		906	exit 1;
		907	}
		908	die $@;
		909	}
1006		910
1007	push @EXTS, $pkg;	911	push @EXTS, $pkg;
1008	}	912	}
1009		913
1010	sub load_extensions {	914	sub load_extensions {
…		…
1016	} or warn "$ext not loaded: $@";	920	} or warn "$ext not loaded: $@";
1017	}	921	}
1018	}	922	}
1019		923
1020	#############################################################################	924	#############################################################################
1021	# load/save/clean perl data associated with a map
1022
1023	*cf::mapsupport::on_clean = sub {
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		925
1036	=head2 CORE EXTENSIONS	926	=head2 CORE EXTENSIONS
1037		927
1038	Functions and methods that extend core crossfire objects.	928	Functions and methods that extend core crossfire objects.
1039		929
…		…
1075		965
1076	sub exists($) {	966	sub exists($) {
1077	my ($login) = @_;	967	my ($login) = @_;
1078		968
1079	$cf::PLAYER{$login}	969	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	970	or cf::sync_job { !aio_stat path $login }
1081	}	971	}
1082		972
1083	sub find($) {	973	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	974	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	975	my $login = $_[0];
…		…
1131		1021
1132	=cut	1022	=cut
1133		1023
1134	sub quit_character {	1024	sub quit_character {
1135	my ($pl) = @_;	1025	my ($pl) = @_;
		1026
		1027	my $name = $pl->ob->name;
1136		1028
1137	$pl->{deny_save} = 1;	1029	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1030	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1031
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1037	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1038	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1039	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1040	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1041	$pl->destroy;
		1042
		1043	my $prefix = qr<^~\Q$name\E/>;
		1044
		1045	# nuke player maps
		1046	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1047
1150	IO::AIO::aio_rmtree $temp;	1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item $pl->kick
		1052
		1053	Kicks a player out of the game. This destroys the connection.
		1054
		1055	=cut
		1056
		1057	sub kick {
		1058	my ($pl, $kicker) = @_;
		1059
		1060	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1061	$pl->killer ("kicked");
		1062	$pl->ns->destroy;
1151	}	1063	}
1152		1064
1153	=item cf::player::list_logins	1065	=item cf::player::list_logins
1154		1066
1155	Returns am arrayref of all valid playernames in the system, can take a	1067	Returns am arrayref of all valid playernames in the system, can take a
…		…
1175	\@logins	1087	\@logins
1176	}	1088	}
1177		1089
1178	=item $player->maps	1090	=item $player->maps
1179		1091
1180	Returns an arrayref of cf::path's of all maps that are private for this	1092	Returns an arrayref of map paths that are private for this
1181	player. May block.	1093	player. May block.
1182		1094
1183	=cut	1095	=cut
1184		1096
1185	sub maps($) {	1097	sub maps($) {
1186	my ($pl) = @_;	1098	my ($pl) = @_;
		1099
		1100	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1101
1188	my $files = aio_readdir playerdir $pl	1102	my $files = aio_readdir playerdir $pl
1189	or return;	1103	or return;
1190		1104
1191	my @paths;	1105	my @paths;
…		…
1193	for (@$files) {	1107	for (@$files) {
1194	utf8::decode $_;	1108	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1109	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1110	next unless /^$PATH_SEP/o;
1197		1111
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1112	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1113	}
1200		1114
1201	\@paths	1115	\@paths
1202	}	1116	}
1203		1117
…		…
1229	package cf::map;	1143	package cf::map;
1230		1144
1231	use Fcntl;	1145	use Fcntl;
1232	use Coro::AIO;	1146	use Coro::AIO;
1233		1147
		1148	use overload
		1149	'""' => \&as_string,
		1150	fallback => 1;
		1151
1234	our $MAX_RESET = 3600;	1152	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1153	our $DEFAULT_RESET = 3000;
1236		1154
1237	sub generate_random_map {	1155	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1156	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1157	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1158	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1162	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1163	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1167	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1169	(cf::region::find $rmp->{region}), $rmp->{custom}
		1170	)
		1171	}
		1172
		1173	=item cf::map->register ($regex, $prio)
		1174
		1175	Register a handler for the map path matching the given regex at the
		1176	givne priority (higher is better, built-in handlers have priority 0, the
		1177	default).
		1178
		1179	=cut
		1180
		1181	sub register {
		1182	my (undef, $regex, $prio) = @_;
		1183	my $pkg = caller;
		1184
		1185	no strict;
		1186	push @{"$pkg\::ISA"}, __PACKAGE__;
		1187
		1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1189	}
		1190
		1191	# also paths starting with '/'
		1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1193
		1194	sub thawer_merge {
		1195	my ($self, $merge) = @_;
		1196
		1197	# we have to keep some variables in memory intact
		1198	local $self->{path};
		1199	local $self->{load_path};
		1200	local $self->{deny_save};
		1201	local $self->{deny_reset};
		1202
		1203	$self->SUPER::thawer_merge ($merge);
		1204	}
		1205
		1206	sub normalise {
		1207	my ($path, $base) = @_;
		1208
		1209	$path = "$path"; # make sure its a string
		1210
		1211	$path =~ s/\.map$//;
		1212
		1213	# map plan:
		1214	#
		1215	# /! non-realised random map exit (special hack!)
		1216	# {... are special paths that are not being touched
		1217	# ?xxx/... are special absolute paths
		1218	# ?random/... random maps
		1219	# /... normal maps
		1220	# ~user/... per-player map of a specific user
		1221
		1222	$path =~ s/$PATH_SEP/\//go;
		1223
		1224	# treat it as relative path if it starts with
		1225	# something that looks reasonable
		1226	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1227	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1228
		1229	$base =~ s{[^/]+/?$}{};
		1230	$path = "$base/$path";
		1231	}
		1232
		1233	for ($path) {
		1234	redo if s{//}{/};
		1235	redo if s{/\.?/}{/};
		1236	redo if s{/[^/]+/\.\./}{/};
		1237	}
		1238
		1239	$path
		1240	}
		1241
		1242	sub new_from_path {
		1243	my (undef, $path, $base) = @_;
		1244
		1245	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1246
		1247	$path = normalise $path, $base;
		1248
		1249	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1250	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1251	my $self = bless cf::map::new, $pkg;
		1252	$self->{path} = $path; $self->path ($path);
		1253	$self->init; # pass $1 etc.
		1254	return $self;
		1255	}
		1256	}
		1257
		1258	Carp::carp "unable to resolve path '$path' (base '$base').";
		1259	()
		1260	}
		1261
		1262	sub init {
		1263	my ($self) = @_;
		1264
		1265	$self
		1266	}
		1267
		1268	sub as_string {
		1269	my ($self) = @_;
		1270
		1271	"$self->{path}"
		1272	}
		1273
		1274	# the displayed name, this is a one way mapping
		1275	sub visible_name {
		1276	&as_string
		1277	}
		1278
		1279	# the original (read-only) location
		1280	sub load_path {
		1281	my ($self) = @_;
		1282
		1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1284	}
		1285
		1286	# the temporary/swap location
		1287	sub save_path {
		1288	my ($self) = @_;
		1289
		1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1292	}
		1293
		1294	# the unique path, undef == no special unique path
		1295	sub uniq_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1254	}	1300	}
1255		1301
1256	# and all this just because we cannot iterate over	1302	# and all this just because we cannot iterate over
1257	# all maps in C++...	1303	# all maps in C++...
1258	sub change_all_map_light {	1304	sub change_all_map_light {
…		…
1260		1306
1261	$_->change_map_light ($change)	1307	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1308	for grep $_->outdoor, values %cf::MAP;
1263	}	1309	}
1264		1310
		1311	sub unlink_save {
		1312	my ($self) = @_;
		1313
		1314	utf8::encode (my $save = $self->save_path);
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1317	}
		1318
1265	sub try_load_header($) {	1319	sub load_header_from($) {
1266	my ($path) = @_;	1320	my ($self, $path) = @_;
1267		1321
1268	utf8::encode $path;	1322	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1270	or return;	1327	or return;
1271		1328
1272	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1273	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1274		1375
1275	# for better error messages only, will be overwritten	1376	1
1276	$map->path ($path);
1277
1278	$map->load_header ($path)
1279	or return;
1280
1281	$map->{load_path} = $path;
1282
1283	$map
1284	}	1377	}
1285		1378
1286	sub find;	1379	sub find;
1287	sub find {	1380	sub find {
1288	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1289		1382
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1384
1295	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1296		1386
1297	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1299		1389	my $map = new_from_path cf::map $path
1300	# do it the slow way
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1390	or return;
1319		1391
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1332		1393
1333	Coro::cede;	1394	$map->load_header
		1395	or return;
1334		1396
1335	if ($map->should_reset) {	1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1400	$map->reset;
1337	undef $guard;	1401	undef $guard;
1338	$map = find $path	1402	return find $path;
1339	or return;
1340	}	1403	}
1341		1404
1342	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1343	}	1406	}
1344	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1345		1411
1346	sub load {	1412	sub load {
1347	my ($self) = @_;	1413	my ($self) = @_;
1348		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1349	my $path = $self->{path};	1417	my $path = $self->{path};
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1351		1419
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1421
1354	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1355		1423
1356	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1357	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1429	or return;
1359		1430
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1432	if delete $self->{load_original};
1362		1433
1363	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1435	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1437	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1368	}	1439	}
1369	}	1440	}
1370		1441
1371	Coro::cede;	1442	Coro::cede;
1372		1443
1373	# now do the right thing for maps	1444	# now do the right thing for maps
1374	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1375		1446
1376	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1377	$self->{deny_save} = 1;	1448	$self->decay_objects;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1383	$self->set_darkness_map;	1452	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1386	$self->activate;	1456	$self->activate;
1387	}	1457	}
1388		1458
1389	Coro::cede;	1459	$self->post_load;
1390		1460
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
		1462	}
		1463
		1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
1392	}	1471	}
1393		1472
1394	# find and load all maps in the 3x3 area around a map	1473	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1474	sub load_diag {
1396	my ($map) = @_;	1475	my ($map) = @_;
…		…
1426		1505
1427	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1428	}	1507	}
1429		1508
1430	our %MAP_PREFETCH;	1509	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1510	our $MAP_PREFETCHER = undef;
1432	while () {
1433	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH
1435	or next;
1436	my $path = delete $MAP_PREFETCH{$key};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1511
1446	sub find_async {	1512	sub find_async {
1447	my ($path, $origin) = @_;	1513	my ($path, $origin) = @_;
1448		1514
1449	$path = new cf::path $path, $origin && $origin->path;	1515	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1516
1452	if (my $map = $cf::MAP{$key}) {	1517	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1519	}
1455		1520
1456	$MAP_PREFETCH{$key} = $path;	1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
		1527	$map->load;
		1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
		1533	};
1457	$MAP_PREFETCHER->ready;	1534	$MAP_PREFETCHER->prio (6);
1458		1535
1459	()	1536	()
1460	}	1537	}
1461		1538
1462	sub save {	1539	sub save {
…		…
1466		1543
1467	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1468		1545
1469	return unless $self->dirty;	1546	return unless $self->dirty;
1470		1547
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1550
1474	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1475		1552
1476	return if $self->{deny_save};	1553	return if $self->{deny_save};
1477		1554
…		…
1480	cf::async {	1557	cf::async {
1481	$_->contr->save for $self->players;	1558	$_->contr->save for $self->players;
1482	};	1559	};
1483		1560
1484	if ($uniq) {	1561	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1564	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1566	}
1490	}	1567	}
1491		1568
1492	sub swap_out {	1569	sub swap_out {
1493	my ($self) = @_;	1570	my ($self) = @_;
…		…
1507		1584
1508	sub reset_at {	1585	sub reset_at {
1509	my ($self) = @_;	1586	my ($self) = @_;
1510		1587
1511	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1513	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1514		1591
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1594
…		…
1522	my ($self) = @_;	1599	my ($self) = @_;
1523		1600
1524	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1525	}	1602	}
1526		1603
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	1604	sub reset {
1549	my ($self) = @_;	1605	my ($self) = @_;
1550		1606
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1608
1553	return if $self->players;	1609	return if $self->players;
1554	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1555		1611
1556	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1557		1613
		1614	$self->in_memory (cf::MAP_SWAPPED);
		1615
		1616	# need to save uniques path
		1617	unless ($self->{deny_save}) {
		1618	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1619
		1620	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1621	if $uniq;
		1622	}
		1623
1558	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1559		1627
1560	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1561		1629
1562	$self->unlink_save;	1630	$self->unlink_save;
1563	$self->destroy;	1631	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1567		1635
1568	sub nuke {	1636	sub nuke {
1569	my ($self) = @_;	1637	my ($self) = @_;
1570		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1574	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1575	}	1652	}
1576		1653
1577	sub customise_for {
1578	my ($map, $ob) = @_;
1579
1580	if ($map->per_player) {
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1582	}
1583
1584	$map
1585	}
1586
1587	=item cf::map::unique_maps	1654	=item cf::map::unique_maps
1588		1655
1589	Returns an arrayref of cf::path's of all shared maps that have	1656	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	1657	instantiated unique items. May block.
1591		1658
1592	=cut	1659	=cut
1593		1660
1594	sub unique_maps() {	1661	sub unique_maps() {
…		…
1600	for (@$files) {	1667	for (@$files) {
1601	utf8::decode $_;	1668	utf8::decode $_;
1602	next if /\.pst$/;	1669	next if /\.pst$/;
1603	next unless /^$PATH_SEP/o;	1670	next unless /^$PATH_SEP/o;
1604		1671
1605	push @paths, new cf::path $_;	1672	push @paths, cf::map::normalise $_;
1606	}	1673	}
1607		1674
1608	\@paths	1675	\@paths
1609	}	1676	}
1610		1677
…		…
1685		1752
1686	=item $player_object->enter_link	1753	=item $player_object->enter_link
1687		1754
1688	Freezes the player and moves him/her to a special map (C<{link}>).	1755	Freezes the player and moves him/her to a special map (C<{link}>).
1689		1756
1690	The player should be reaosnably safe there for short amounts of time. You	1757	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1692		1759
		1760	Will never block.
		1761
1693	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1694		1763
1695	Moves the player out of the specila link map onto the given map. If the	1764	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	1765	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	1766	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	1767	fails, to the emergency map position.
1699		1768
1700	Might block.	1769	Might block.
1701		1770
1702	=cut	1771	=cut
		1772
		1773	sub link_map {
		1774	unless ($LINK_MAP) {
		1775	$LINK_MAP = cf::map::find "{link}"
		1776	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1777	$LINK_MAP->load;
		1778	}
		1779
		1780	$LINK_MAP
		1781	}
1703		1782
1704	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1705	my ($self) = @_;	1784	my ($self) = @_;
1706		1785
1707	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1708		1787
1709	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		1789
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	1791	if $self->map;
1713		1792
1714	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	1794	}
1716		1795
1717	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1719		1798
…		…
1741	$map->load;	1820	$map->load;
1742	$map->load_diag;	1821	$map->load_diag;
1743		1822
1744	return unless $self->contr->active;	1823	return unless $self->contr->active;
1745	$self->activate_recursive;	1824	$self->activate_recursive;
		1825
		1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1747	}	1828	}
1748		1829
1749	cf::player->attach (	1830	cf::player->attach (
1750	on_logout => sub {	1831	on_logout => sub {
…		…
1763	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes	1845	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1767	(async {	1848	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,	1849	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "	1850	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",	1851	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);	1852	cf::NDI_RED);
		1853	# we need this sleep as the login has a concurrent enter_exit running
		1854	# and this sleep increases chances of the player not ending up in scorn
1774	Coro::Timer::sleep 1;	1855	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;	1856	$pl->ob->leave_link;
1776	})->prio (2);	1857	})->prio (2);
1777	}	1858	}
1778	},	1859	},
…		…
1783	=cut	1864	=cut
1784		1865
1785	sub cf::object::player::goto {	1866	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1787		1868
1788	$path = new cf::path $path;
1789
1790	$self->enter_link;	1869	$self->enter_link;
1791		1870
1792	(async {	1871	(async {
		1872	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1794	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1795		1875	$map
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1800		1878
1801	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1802	})->prio (1);	1880	})->prio (1);
1803	}	1881	}
1804		1882
…		…
1808		1886
1809	sub parse_random_map_params {	1887	sub parse_random_map_params {
1810	my ($spec) = @_;	1888	my ($spec) = @_;
1811		1889
1812	my $rmp = { # defaults	1890	my $rmp = { # defaults
1813	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1815	};	1895	};
1816		1896
1817	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1819		1899
…		…
1823	$rmp	1903	$rmp
1824	}	1904	}
1825		1905
1826	sub prepare_random_map {	1906	sub prepare_random_map {
1827	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		1910
1829	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	1913	# that depends on the exit object
1832		1914
1833	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1834		1916
1835	if ($exit->map) {	1917	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1840	}	1922	}
1841		1923
1842	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1843		1925
1844	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1846		1929
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1849		1934
1850	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	1936	$exit->msg (undef);
1852	}	1937	}
1853	}	1938	}
1854		1939
1855	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1857		1942
1858	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
1859		1953
1860	$self->enter_link;	1954	$self->enter_link;
1861		1955
1862	(async {	1956	(async {
1863	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	1958	unless (eval {
1865	prepare_random_map $exit	1959	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		1960
1871	1;	1961	1;
1872	}) {	1962	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
…		…
1894		1984
1895	sub cf::client::send_drawinfo {	1985	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	1986	my ($self, $text, $flags) = @_;
1897		1987
1898	utf8::encode $text;	1988	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	1990	}
1901		1991
1902		1992
1903	=item $success = $client->query ($flags, "text", \&cb)	1993	=item $success = $client->query ($flags, "text", \&cb)
1904		1994
…		…
1935	# get handled first	2025	# get handled first
1936	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2028
1939	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2031
1941	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1942		2033
1943	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2035	if (@$queue) {
…		…
2002		2093
2003	# here we export the classes and methods available to script code	2094	# here we export the classes and methods available to script code
2004		2095
2005	=pod	2096	=pod
2006		2097
2007	The following fucntions and emthods are available within a safe environment:	2098	The following functions and methods are available within a safe environment:
2008		2099
2009	cf::object contr pay_amount pay_player map	2100	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2101	cf::object::player player
2011	cf::player peaceful	2102	cf::player peaceful
2012	cf::map trigger	2103	cf::map trigger
…		…
2105	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
2106	using it, it should be unique.	2197	using it, it should be unique.
2107		2198
2108	=over 4	2199	=over 4
2109		2200
2110	=item $hashref = cf::db_get $family
2111
2112	Return a hashref for use by the extension C<$family>, which can be
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115
2116	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
2117		2202
2118	Returns a single value from the database	2203	Returns a single value from the database.
2119
2120	=item cf::db_put $family => $hashref
2121
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124		2204
2125	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
2126		2206
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137		2208
2138	=cut	2209	=cut
2139		2210
2140	our $DB;	2211	our $DB;
2141		2212
2142	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
2143	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
2144		2232
2145	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
2146	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
2147	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
2148		2237
2149	my $pid;	2238	unlink $path;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}	2239	};
2159	}	2240	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	2241	}
		2242	}
2171		2243
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {	2244	sub db_get($$) {
2178	@_ >= 2	2245	my $key = "$_[0]/$_[1]";
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
2183	sub db_put($$;$) {	2255	sub db_put($$$) {
2184	if (@_ >= 3) {	2256	BDB::dbreq_pri 4;
2185	$DB->{$_[0]}{$_[1]} = $_[2];	2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2258	}
		2259
		2260	#############################################################################
		2261	# the server's init and main functions
		2262
		2263	sub load_faces {
		2264	my $path = sprintf "%s/faces", cf::datadir;
		2265
		2266	warn "loading faces from $path\n";
		2267
		2268	my $faces;
		2269	0 < aio_load $path, $faces
		2270	or die "$path: $!";
		2271
		2272	Coro::cede;
		2273	$faces = Storable::thaw $faces;
		2274	Coro::cede;
		2275
		2276	my $meta = delete $faces->{""};
		2277	$meta->{version} == 1
		2278	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2279
		2280	while (my ($face, $info) = each %$faces) {
		2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2284	Coro::cede;
		2285	}
		2286
		2287	while (my ($face, $info) = each %$faces) {
		2288	next unless $info->{smooth};
		2289	my $idx = cf::face::find $face
		2290	or next;
		2291	if (my $smooth = cf::face::find $info->{smooth}) {
		2292	cf::face::set_smooth $idx, $smooth;
2186	} else {	2293	} else {
2187	$DB->{$_[0]} = $_[1];	2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	2295	}
2197	);	2296	Coro::cede;
2198	}	2297	}
2199		2298
2200	#############################################################################	2299	1
2201	# the server's main()	2300	}
		2301
		2302	sub reload_resources {
		2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2304	or die "unable to load regions file\n";#d#
		2305	load_faces
		2306	or die "unable to load faces\n";#d#
		2307	}
		2308
		2309	sub init {
		2310	reload_resources;
		2311	}
2202		2312
2203	sub cfg_load {	2313	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2314	open my $fh, "<:utf8", cf::confdir . "/config"
2205	or return;	2315	or return;
2206		2316
…		…
2223		2333
2224	sub main {	2334	sub main {
2225	# we must not ever block the main coroutine	2335	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2336	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2338	(async {
2228	async { Event::one_event };	2339	Event::one_event;
		2340	})->prio (Coro::PRIO_MAX);
2229	};	2341	};
2230		2342
2231	cfg_load;	2343	cfg_load;
2232	db_load;	2344	db_init;
2233	load_extensions;	2345	load_extensions;
		2346
		2347	$TICK_WATCHER->start;
2234	Event::loop;	2348	Event::loop;
2235	}	2349	}
2236		2350
2237	#############################################################################	2351	#############################################################################
2238	# initialisation and cleanup	2352	# initialisation and cleanup
2239		2353
2240	# install some emergency cleanup handlers	2354	# install some emergency cleanup handlers
2241	BEGIN {	2355	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2356	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2357	Event->signal (
		2358	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2359	data => WF_AUTOCANCEL,
2245	signal => $signal,	2360	signal => $signal,
		2361	prio => 0,
2246	cb => sub {	2362	cb => sub {
2247	cf::cleanup "SIG$signal";	2363	cf::cleanup "SIG$signal";
2248	},	2364	},
2249	);	2365	);
2250	}	2366	}
2251	}	2367	}
…		…
2256	warn "enter emergency perl save\n";	2372	warn "enter emergency perl save\n";
2257		2373
2258	cf::sync_job {	2374	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2375	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2376	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2377	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2378	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2379	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2380	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2381	$pl->valid or next;
2266	$pl->save;	2382	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2388	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2389	$map->valid or next;
2274	$map->save;	2390	$map->save;
2275	}	2391	}
2276	warn "end emergency map save\n";	2392	warn "end emergency map save\n";
		2393
		2394	warn "begin emergency database checkpoint\n";
		2395	BDB::db_env_txn_checkpoint $DB_ENV;
		2396	warn "end emergency database checkpoint\n";
2277	};	2397	};
2278		2398
2279	warn "leave emergency perl save\n";	2399	warn "leave emergency perl save\n";
		2400	}
		2401
		2402	sub post_cleanup {
		2403	my ($make_core) = @_;
		2404
		2405	warn Carp::longmess "post_cleanup backtrace"
		2406	if $make_core;
2280	}	2407	}
2281		2408
2282	sub reload() {	2409	sub reload() {
2283	# can/must only be called in main	2410	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2411	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2412	warn "can only reload from main coroutine";
2286	return;	2413	return;
2287	}	2414	}
2288		2415
2289	warn "reloading...";	2416	warn "reloading...";
2290		2417
2291	warn "freezing server";	2418	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2419
		2420	cf::sync_job {
		2421	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2422	cf::emergency_save;
		2423	cf::write_runtime; # external watchdog should not bark
2294		2424
2295	warn "sync database to disk";	2425	warn "syncing database to disk";
2296	cf::db_sync;	2426	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2427
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2428	# if anything goes wrong in here, we should simply crash as we already saved
2301		2429
2302	warn "cancel all watchers";	2430	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2431	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2433	}
2306		2434
		2435	warn "flushing outstanding aio requests";
		2436	for (;;) {
		2437	BDB::flush;
		2438	IO::AIO::flush;
		2439	Coro::cede;
		2440	last unless IO::AIO::nreqs || BDB::nreqs;
		2441	warn "iterate...";
		2442	}
		2443
		2444	++$RELOAD;
		2445
2307	warn "cancel all extension coros";	2446	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2447	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2448	%EXT_CORO = ();
2310		2449
2311	warn "remove commands";	2450	warn "removing commands";
2312	%COMMAND = ();	2451	%COMMAND = ();
2313		2452
2314	warn "remove ext commands";	2453	warn "removing ext commands";
2315	%EXTCMD = ();	2454	%EXTCMD = ();
2316		2455
2317	warn "unload/nuke all extensions";	2456	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2457	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	2458	warn "... unloading $pkg";
2320		2459
2321	if (my $cb = $pkg->can ("unload")) {	2460	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2461	eval {
2323	$cb->($pkg);	2462	$cb->($pkg);
2324	1	2463	1
2325	} or warn "$pkg unloaded, but with errors: $@";	2464	} or warn "$pkg unloaded, but with errors: $@";
2326	}	2465	}
2327		2466
		2467	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	2468	Symbol::delete_package $pkg;
2329	}	2469	}
2330		2470
2331	warn "unload all perl modules loaded from $LIBDIR";	2471	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	2472	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		2474
2335	warn "removing <$k>";	2475	warn "... unloading $k";
2336	delete $INC{$k};	2476	delete $INC{$k};
2337		2477
2338	$k =~ s/\.pm$//;	2478	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	2479	$k =~ s/\//::/g;
2340		2480
…		…
2343	}	2483	}
2344		2484
2345	Symbol::delete_package $k;	2485	Symbol::delete_package $k;
2346	}	2486	}
2347		2487
2348	warn "get rid of safe::, as good as possible";	2488	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	2489	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		2491
2352	warn "unload cf.pm \"a bit\"";	2492	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	2493	delete $INC{"cf.pm"};
2354		2494
2355	# don't, removes xs symbols, too,	2495	# don't, removes xs symbols, too,
2356	# and global variables created in xs	2496	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	2497	#Symbol::delete_package __PACKAGE__;
2358		2498
		2499	warn "unload completed, starting to reload now";
		2500
2359	warn "reloading cf.pm";	2501	warn "reloading cf.pm";
2360	require cf;	2502	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		2504
2363	warn "load config and database again";	2505	warn "loading config and database again";
2364	cf::cfg_load;	2506	cf::cfg_load;
2365	cf::db_load;
2366		2507
2367	warn "load extensions";	2508	warn "loading extensions";
2368	cf::load_extensions;	2509	cf::load_extensions;
2369		2510
2370	warn "reattach attachments to objects/players";	2511	warn "reattaching attachments to objects/players";
2371	_global_reattach;	2512	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	2513	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	2514	reattach $_ for values %MAP;
2374	};	2515	warn "reattaching attachments to players";
		2516	reattach $_ for values %PLAYER;
2375		2517
2376	if ($@) {	2518	warn "loading reloadable resources";
		2519	reload_resources;
		2520
		2521	warn "leaving sync_job";
		2522
		2523	1
		2524	} or do {
2377	warn $@;	2525	warn $@;
2378	warn "error while reloading, exiting.";	2526	warn "error while reloading, exiting.";
2379	exit 1;	2527	exit 1;
2380	}	2528	};
2381		2529
2382	warn "reloaded";	2530	warn "reloaded";
2383	};	2531	};
2384		2532
2385	#############################################################################	2533	our $RELOAD_WATCHER; # used only during reload
2386
2387	unless ($LINK_MAP) {
2388	$LINK_MAP = cf::map::new;
2389
2390	$LINK_MAP->width (41);
2391	$LINK_MAP->height (41);
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,
2400	cb => sub {
2401	$_[0]->w->cancel;
2402
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});
2421
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}
2427		2534
2428	register_command "reload" => sub {	2535	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	2536	my ($who, $arg) = @_;
2430		2537
2431	if ($who->flag (FLAG_WIZ)) {	2538	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");	2539	$who->message ("reloading server.");
		2540
		2541	# doing reload synchronously and two reloads happen back-to-back,
		2542	# coro crashes during coro_state_free->destroy here.
		2543
		2544	$RELOAD_WATCHER ||= Event->timer (
		2545	reentrant => 0,
		2546	after => 0,
		2547	data => WF_AUTOCANCEL,
		2548	cb => sub {
2433	reload;	2549	reload;
2434	$who->message ("end of reload.");	2550	undef $RELOAD_WATCHER;
		2551	},
		2552	);
2435	}	2553	}
2436	};	2554	};
2437		2555
2438	unshift @INC, $LIBDIR;	2556	unshift @INC, $LIBDIR;
		2557
		2558	my $bug_warning = 0;
2439		2559
2440	$TICK_WATCHER = Event->timer (	2560	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	2561	reentrant => 0,
		2562	parked => 1,
2442	prio => 0,	2563	prio => 0,
2443	at => $NEXT_TICK || $TICK,	2564	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2445	cb => sub {	2566	cb => sub {
		2567	if ($Coro::current != $Coro::main) {
		2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2569	unless ++$bug_warning > 10;
		2570	return;
		2571	}
		2572
		2573	$NOW = Event::time;
		2574
2446	cf::server_tick; # one server iteration	2575	cf::server_tick; # one server iteration
2447	$RUNTIME += $TICK;	2576	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	2577	$NEXT_TICK += $TICK;
2449		2578
		2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2580	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2581	Coro::async_pool {
		2582	write_runtime
		2583	or warn "ERROR: unable to write runtime file: $!";
		2584	};
		2585	}
		2586
2450	$WAIT_FOR_TICK->broadcast;	2587	$WAIT_FOR_TICK->broadcast;
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2589
		2590	# my $AFTER = Event::time;
		2591	# warn $AFTER - $NOW;#d#
2452		2592
2453	# if we are delayed by four ticks or more, skip them all	2593	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2455		2595
2456	$TICK_WATCHER->at ($NEXT_TICK);	2596	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	2597	$TICK_WATCHER->start;
2458	},	2598	},
2459	);	2599	);
2460		2600
		2601	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	2602	BDB::max_poll_time $TICK * 0.1;
2462		2603	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	2604	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	2605	fd => BDB::poll_fileno,
2465	poll => 'r',	2606	poll => 'r',
2466	prio => 5,	2607	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	2608	data => WF_AUTOCANCEL,
2473	after => 0,	2609	cb => \&BDB::poll_cb,
2474	interval => 10,	2610	);
2475	cb => sub {	2611	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	2612
2477	write_runtime	2613	BDB::set_sync_prepare {
2478	or warn "ERROR: unable to write runtime file: $!";	2614	my $status;
		2615	my $current = $Coro::current;
		2616	(
		2617	sub {
		2618	$status = $!;
		2619	$current->ready; undef $current;
		2620	},
		2621	sub {
		2622	Coro::schedule while defined $current;
		2623	$! = $status;
		2624	},
		2625	)
		2626	};
		2627
		2628	unless ($DB_ENV) {
		2629	$DB_ENV = BDB::db_env_create;
		2630
		2631	cf::sync_job {
		2632	eval {
		2633	BDB::db_env_open
		2634	$DB_ENV,
		2635	$BDB_ENV_DIR,
		2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2638	0666;
		2639
		2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2641
		2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2643	$DB_ENV->set_lk_detect;
		2644	};
		2645
		2646	cf::cleanup "db_env_open(db): $@" if $@;
2479	})->();	2647	};
2480	},	2648	}
2481	);	2649	}
		2650
		2651	{
		2652	IO::AIO::min_parallel 8;
		2653
		2654	undef $Coro::AIO::WATCHER;
		2655	IO::AIO::max_poll_time $TICK * 0.1;
		2656	$AIO_POLL_WATCHER = Event->io (
		2657	reentrant => 0,
		2658	data => WF_AUTOCANCEL,
		2659	fd => IO::AIO::poll_fileno,
		2660	poll => 'r',
		2661	prio => 6,
		2662	cb => \&IO::AIO::poll_cb,
		2663	);
		2664	}
2482		2665
2483	END { cf::emergency_save }	2666	END { cf::emergency_save }
2484		2667
2485	1	2668	1
2486		2669

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