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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.233 by root, Wed Apr 4 02:20:27 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 $fh
354	or return;	370	or return;
…		…
357	and return;	373	and return;
358		374
359	1	375	1
360	}	376	}
361		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
362	=back	389	=back
363		390
364	=cut	391	=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		392
493	#############################################################################	393	#############################################################################
494		394
495	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
496		396
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	523	our @CB_MAP = ();
624		524
625	my %attachment;	525	my %attachment;
626		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
627	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
629		535
630	use sort 'stable';	536	use sort 'stable';
631		537
…		…
802	# object support	708	# object support
803		709
804	sub reattach {	710	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		715
808	my $registry = $obj->registry;	716	my $registry = $obj->registry;
809		717
810	@$registry = ();	718	@$registry = ();
811		719
…		…
858	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
859		767
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	772	close $fh;
865		773
866	if (@$objs) {	774	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	780	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
874	}	782	}
875	} else {	783	} else {
876	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
987	my $base = $1;	895	my $base = $1;
988	my $pkg = $1;	896	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
991		899
992	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
993		901
994	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
995	or die "$path: $!";	903	or die "$path: $!";
996		904
997	my $source =	905	my $source =
998	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
1001	. "\n};\n1";	909	. "\n};\n1";
1002		910
1003	eval $source	911	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	913	: "extension disabled.\n";
		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		915	warn $@;
		916	warn "mandatory extension failed to load, exiting.\n";
		917	exit 1;
		918	}
		919	die $@;
		920	}
1006		921
1007	push @EXTS, $pkg;	922	push @EXTS, $pkg;
1008	}	923	}
1009		924
1010	sub load_extensions {	925	sub load_extensions {
…		…
1016	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1017	}	932	}
1018	}	933	}
1019		934
1020	#############################################################################	935	#############################################################################
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		936
1036	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1037		938
1038	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1039		940
…		…
1075		976
1076	sub exists($) {	977	sub exists($) {
1077	my ($login) = @_;	978	my ($login) = @_;
1078		979
1079	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1081	}	982	}
1082		983
1083	sub find($) {	984	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	986	my $login = $_[0];
…		…
1131		1032
1132	=cut	1033	=cut
1133		1034
1134	sub quit_character {	1035	sub quit_character {
1135	my ($pl) = @_;	1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
1136		1039
1137	$pl->{deny_save} = 1;	1040	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1042
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1048	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1049	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1050	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1051	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
1150	IO::AIO::aio_rmtree $temp;	1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
1151	}	1074	}
1152		1075
1153	=item cf::player::list_logins	1076	=item cf::player::list_logins
1154		1077
1155	Returns am arrayref of all valid playernames in the system, can take a	1078	Returns am arrayref of all valid playernames in the system, can take a
…		…
1175	\@logins	1098	\@logins
1176	}	1099	}
1177		1100
1178	=item $player->maps	1101	=item $player->maps
1179		1102
1180	Returns an arrayref of cf::path's of all maps that are private for this	1103	Returns an arrayref of map paths that are private for this
1181	player. May block.	1104	player. May block.
1182		1105
1183	=cut	1106	=cut
1184		1107
1185	sub maps($) {	1108	sub maps($) {
1186	my ($pl) = @_;	1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1112
1188	my $files = aio_readdir playerdir $pl	1113	my $files = aio_readdir playerdir $pl
1189	or return;	1114	or return;
1190		1115
1191	my @paths;	1116	my @paths;
…		…
1193	for (@$files) {	1118	for (@$files) {
1194	utf8::decode $_;	1119	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1120	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1121	next unless /^$PATH_SEP/o;
1197		1122
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1123	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1124	}
1200		1125
1201	\@paths	1126	\@paths
1202	}	1127	}
1203		1128
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1205		1130
1206	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1207		1132
1208	=cut	1133	=cut
1209		1134
1210	sub ext_reply($$$%) {	1135	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1212		1137
1213	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1214		1139
1215	$self->send ("ext " . cf::to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
		1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	$self->ns->ext_event ($type, %msg);
1216	}	1153	}
1217		1154
1218	package cf;	1155	package cf;
1219		1156
1220	=back	1157	=back
…		…
1229	package cf::map;	1166	package cf::map;
1230		1167
1231	use Fcntl;	1168	use Fcntl;
1232	use Coro::AIO;	1169	use Coro::AIO;
1233		1170
		1171	use overload
		1172	'""' => \&as_string,
		1173	fallback => 1;
		1174
1234	our $MAX_RESET = 3600;	1175	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1176	our $DEFAULT_RESET = 3000;
1236		1177
1237	sub generate_random_map {	1178	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1179	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1180	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1181	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1185	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1186	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1187	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1188	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1189	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1190	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1191	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1192	(cf::region::find $rmp->{region}), $rmp->{custom}
		1193	)
		1194	}
		1195
		1196	=item cf::map->register ($regex, $prio)
		1197
		1198	Register a handler for the map path matching the given regex at the
		1199	givne priority (higher is better, built-in handlers have priority 0, the
		1200	default).
		1201
		1202	=cut
		1203
		1204	sub register {
		1205	my (undef, $regex, $prio) = @_;
		1206	my $pkg = caller;
		1207
		1208	no strict;
		1209	push @{"$pkg\::ISA"}, __PACKAGE__;
		1210
		1211	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1212	}
		1213
		1214	# also paths starting with '/'
		1215	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1216
		1217	sub thawer_merge {
		1218	my ($self, $merge) = @_;
		1219
		1220	# we have to keep some variables in memory intact
		1221	local $self->{path};
		1222	local $self->{load_path};
		1223	local $self->{deny_save};
		1224	local $self->{deny_reset};
		1225
		1226	$self->SUPER::thawer_merge ($merge);
		1227	}
		1228
		1229	sub normalise {
		1230	my ($path, $base) = @_;
		1231
		1232	$path = "$path"; # make sure its a string
		1233
		1234	$path =~ s/\.map$//;
		1235
		1236	# map plan:
		1237	#
		1238	# /! non-realised random map exit (special hack!)
		1239	# {... are special paths that are not being touched
		1240	# ?xxx/... are special absolute paths
		1241	# ?random/... random maps
		1242	# /... normal maps
		1243	# ~user/... per-player map of a specific user
		1244
		1245	$path =~ s/$PATH_SEP/\//go;
		1246
		1247	# treat it as relative path if it starts with
		1248	# something that looks reasonable
		1249	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1250	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1251
		1252	$base =~ s{[^/]+/?$}{};
		1253	$path = "$base/$path";
		1254	}
		1255
		1256	for ($path) {
		1257	redo if s{//}{/};
		1258	redo if s{/\.?/}{/};
		1259	redo if s{/[^/]+/\.\./}{/};
		1260	}
		1261
		1262	$path
		1263	}
		1264
		1265	sub new_from_path {
		1266	my (undef, $path, $base) = @_;
		1267
		1268	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1269
		1270	$path = normalise $path, $base;
		1271
		1272	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1273	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1274	my $self = bless cf::map::new, $pkg;
		1275	$self->{path} = $path; $self->path ($path);
		1276	$self->init; # pass $1 etc.
		1277	return $self;
		1278	}
		1279	}
		1280
		1281	Carp::carp "unable to resolve path '$path' (base '$base').";
		1282	()
		1283	}
		1284
		1285	sub init {
		1286	my ($self) = @_;
		1287
		1288	$self
		1289	}
		1290
		1291	sub as_string {
		1292	my ($self) = @_;
		1293
		1294	"$self->{path}"
		1295	}
		1296
		1297	# the displayed name, this is a one way mapping
		1298	sub visible_name {
		1299	&as_string
		1300	}
		1301
		1302	# the original (read-only) location
		1303	sub load_path {
		1304	my ($self) = @_;
		1305
		1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1307	}
		1308
		1309	# the temporary/swap location
		1310	sub save_path {
		1311	my ($self) = @_;
		1312
		1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1315	}
		1316
		1317	# the unique path, undef == no special unique path
		1318	sub uniq_path {
		1319	my ($self) = @_;
		1320
		1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1254	}	1323	}
1255		1324
1256	# and all this just because we cannot iterate over	1325	# and all this just because we cannot iterate over
1257	# all maps in C++...	1326	# all maps in C++...
1258	sub change_all_map_light {	1327	sub change_all_map_light {
…		…
1260		1329
1261	$_->change_map_light ($change)	1330	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1331	for grep $_->outdoor, values %cf::MAP;
1263	}	1332	}
1264		1333
		1334	sub unlink_save {
		1335	my ($self) = @_;
		1336
		1337	utf8::encode (my $save = $self->save_path);
		1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1339	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1340	}
		1341
1265	sub try_load_header($) {	1342	sub load_header_from($) {
1266	my ($path) = @_;	1343	my ($self, $path) = @_;
1267		1344
1268	utf8::encode $path;	1345	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1346	#aio_open $path, O_RDONLY, 0
		1347	# or return;
		1348
		1349	$self->_load_header ($path)
1270	or return;	1350	or return;
1271		1351
1272	my $map = cf::map::new	1352	$self->{load_path} = $path;
		1353
		1354	1
		1355	}
		1356
		1357	sub load_header_orig {
		1358	my ($self) = @_;
		1359
		1360	$self->load_header_from ($self->load_path)
		1361	}
		1362
		1363	sub load_header_temp {
		1364	my ($self) = @_;
		1365
		1366	$self->load_header_from ($self->save_path)
		1367	}
		1368
		1369	sub prepare_temp {
		1370	my ($self) = @_;
		1371
		1372	$self->last_access ((delete $self->{last_access})
		1373	|| $cf::RUNTIME); #d#
		1374	# safety
		1375	$self->{instantiate_time} = $cf::RUNTIME
		1376	if $self->{instantiate_time} > $cf::RUNTIME;
		1377	}
		1378
		1379	sub prepare_orig {
		1380	my ($self) = @_;
		1381
		1382	$self->{load_original} = 1;
		1383	$self->{instantiate_time} = $cf::RUNTIME;
		1384	$self->last_access ($cf::RUNTIME);
		1385	$self->instantiate;
		1386	}
		1387
		1388	sub load_header {
		1389	my ($self) = @_;
		1390
		1391	if ($self->load_header_temp) {
		1392	$self->prepare_temp;
		1393	} else {
		1394	$self->load_header_orig
1273	or return;	1395	or return;
		1396	$self->prepare_orig;
		1397	}
1274		1398
1275	# for better error messages only, will be overwritten	1399	1
1276	$map->path ($path);
1277
1278	$map->load_header ($path)
1279	or return;
1280
1281	$map->{load_path} = $path;
1282
1283	$map
1284	}	1400	}
1285		1401
1286	sub find;	1402	sub find;
1287	sub find {	1403	sub find {
1288	my ($path, $origin) = @_;	1404	my ($path, $origin) = @_;
1289		1405
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1406	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1407
1295	cf::lock_wait "map_find:$key";	1408	cf::lock_wait "map_find:$path";
1296		1409
1297	$cf::MAP{$key} || do {	1410	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1411	my $guard = cf::lock_acquire "map_find:$path";
1299		1412	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;	1413	or return;
1319		1414
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;	1415	$map->{last_save} = $cf::RUNTIME;
1332		1416
1333	Coro::cede;	1417	$map->load_header
		1418	or return;
1334		1419
1335	if ($map->should_reset) {	1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1421	# doing this can freeze the server in a sync job, obviously
		1422	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1423	$map->reset;
1337	undef $guard;	1424	undef $guard;
1338	$map = find $path	1425	return find $path;
1339	or return;
1340	}	1426	}
1341		1427
1342	$cf::MAP{$key} = $map	1428	$cf::MAP{$path} = $map
1343	}	1429	}
1344	}	1430	}
		1431
		1432	sub pre_load { }
		1433	sub post_load { }
1345		1434
1346	sub load {	1435	sub load {
1347	my ($self) = @_;	1436	my ($self) = @_;
1348		1437
		1438	local $self->{deny_reset} = 1; # loading can take a long time
		1439
1349	my $path = $self->{path};	1440	my $path = $self->{path};
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1441	my $guard = cf::lock_acquire "map_load:$path";
1351		1442
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1443	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1444
1354	$self->in_memory (cf::MAP_LOADING);	1445	$self->in_memory (cf::MAP_LOADING);
1355		1446
1356	$self->alloc;	1447	$self->alloc;
		1448
		1449	$self->pre_load;
		1450
1357	$self->load_objects ($self->{load_path}, 1)	1451	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1452	or return;
1359		1453
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1455	if delete $self->{load_original};
1362		1456
1363	if (my $uniq = $path->uniq_path) {	1457	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1458	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1459	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1460	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1461	$self->_load_objects ($uniq, 0);
1368	}	1462	}
1369	}	1463	}
1370		1464
1371	Coro::cede;	1465	Coro::cede;
1372		1466
1373	# now do the right thing for maps	1467	# now do the right thing for maps
1374	$self->link_multipart_objects;	1468	$self->link_multipart_objects;
1375		1469
1376	if ($self->{path}->is_style_map) {	1470	unless ($self->{deny_activate}) {
1377	$self->{deny_save} = 1;	1471	$self->decay_objects;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;	1472	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;	1473	$self->update_buttons;
		1474	Coro::cede;
1383	$self->set_darkness_map;	1475	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1476	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1477	unless $self->difficulty;
		1478	Coro::cede;
1386	$self->activate;	1479	$self->activate;
1387	}	1480	}
1388		1481
1389	Coro::cede;	1482	$self->post_load;
1390		1483
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1484	$self->in_memory (cf::MAP_IN_MEMORY);
		1485	}
		1486
		1487	sub customise_for {
		1488	my ($self, $ob) = @_;
		1489
		1490	return find "~" . $ob->name . "/" . $self->{path}
		1491	if $self->per_player;
		1492
		1493	$self
1392	}	1494	}
1393		1495
1394	# find and load all maps in the 3x3 area around a map	1496	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1497	sub load_diag {
1396	my ($map) = @_;	1498	my ($map) = @_;
…		…
1426		1528
1427	cf::sync_job { $map->load };	1529	cf::sync_job { $map->load };
1428	}	1530	}
1429		1531
1430	our %MAP_PREFETCH;	1532	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1533	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	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1534
1446	sub find_async {	1535	sub find_async {
1447	my ($path, $origin) = @_;	1536	my ($path, $origin) = @_;
1448		1537
1449	$path = new cf::path $path, $origin && $origin->path;	1538	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1539
1452	if (my $map = $cf::MAP{$key}) {	1540	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1542	}
1455		1543
1456	$MAP_PREFETCH{$key} = $path;	1544	undef $MAP_PREFETCH{$path};
		1545	$MAP_PREFETCHER ||= cf::async {
		1546	while (%MAP_PREFETCH) {
		1547	for my $path (keys %MAP_PREFETCH) {
		1548	my $map = find $path
		1549	or next;
		1550	$map->load;
		1551
		1552	delete $MAP_PREFETCH{$path};
		1553	}
		1554	}
		1555	undef $MAP_PREFETCHER;
		1556	};
1457	$MAP_PREFETCHER->ready;	1557	$MAP_PREFETCHER->prio (6);
1458		1558
1459	()	1559	()
1460	}	1560	}
1461		1561
1462	sub save {	1562	sub save {
…		…
1466		1566
1467	$self->{last_save} = $cf::RUNTIME;	1567	$self->{last_save} = $cf::RUNTIME;
1468		1568
1469	return unless $self->dirty;	1569	return unless $self->dirty;
1470		1570
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1571	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1572	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1573
1474	$self->{load_path} = $save;	1574	$self->{load_path} = $save;
1475		1575
1476	return if $self->{deny_save};	1576	return if $self->{deny_save};
1477		1577
…		…
1480	cf::async {	1580	cf::async {
1481	$_->contr->save for $self->players;	1581	$_->contr->save for $self->players;
1482	};	1582	};
1483		1583
1484	if ($uniq) {	1584	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1587	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1588	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1589	}
1490	}	1590	}
1491		1591
1492	sub swap_out {	1592	sub swap_out {
1493	my ($self) = @_;	1593	my ($self) = @_;
…		…
1507		1607
1508	sub reset_at {	1608	sub reset_at {
1509	my ($self) = @_;	1609	my ($self) = @_;
1510		1610
1511	# TODO: safety, remove and allow resettable per-player maps	1611	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};	1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1513	return 1e99 if $self->{deny_reset};	1613	return 1e99 if $self->{deny_reset};
1514		1614
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1617
…		…
1522	my ($self) = @_;	1622	my ($self) = @_;
1523		1623
1524	$self->reset_at <= $cf::RUNTIME	1624	$self->reset_at <= $cf::RUNTIME
1525	}	1625	}
1526		1626
1527	sub unlink_save {
1528	my ($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	$self->save;
1546	}
1547
1548	sub reset {	1627	sub reset {
1549	my ($self) = @_;	1628	my ($self) = @_;
1550		1629
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1630	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1631
1553	return if $self->players;	1632	return if $self->players;
1554	return if $self->{path}{user_rel};#d#	1633	return if $self->isa ("ext::map_per_player");#d#
1555		1634
1556	warn "resetting map ", $self->path;#d#	1635	warn "resetting map ", $self->path;#d#
1557		1636
		1637	$self->in_memory (cf::MAP_SWAPPED);
		1638
		1639	# need to save uniques path
		1640	unless ($self->{deny_save}) {
		1641	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1642
		1643	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1644	if $uniq;
		1645	}
		1646
1558	delete $cf::MAP{$self->path};	1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->clear;
1559		1650
1560	$_->clear_links_to ($self) for values %cf::MAP;	1651	$_->clear_links_to ($self) for values %cf::MAP;
1561		1652
1562	$self->unlink_save;	1653	$self->unlink_save;
1563	$self->destroy;	1654	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	1657	my $nuke_counter = "aaaa";
1567		1658
1568	sub nuke {	1659	sub nuke {
1569	my ($self) = @_;	1660	my ($self) = @_;
1570		1661
		1662	delete $cf::MAP{$self->path};
		1663
		1664	$self->unlink_save;
		1665
		1666	bless $self, "cf::map";
		1667	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	1668	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	1669	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1671
		1672	$cf::MAP{$self->path} = $self;
		1673
1574	$self->reset; # polite request, might not happen	1674	$self->reset; # polite request, might not happen
1575	}	1675	}
1576		1676
1577	sub customise_for {
1578	my ($map, $ob) = @_;
1579
1580	if ($map->per_player) {
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1582	}
1583
1584	$map
1585	}
1586
1587	=item cf::map::unique_maps	1677	=item cf::map::unique_maps
1588		1678
1589	Returns an arrayref of cf::path's of all shared maps that have	1679	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	1680	instantiated unique items. May block.
1591		1681
1592	=cut	1682	=cut
1593		1683
1594	sub unique_maps() {	1684	sub unique_maps() {
…		…
1600	for (@$files) {	1690	for (@$files) {
1601	utf8::decode $_;	1691	utf8::decode $_;
1602	next if /\.pst$/;	1692	next if /\.pst$/;
1603	next unless /^$PATH_SEP/o;	1693	next unless /^$PATH_SEP/o;
1604		1694
1605	push @paths, new cf::path $_;	1695	push @paths, cf::map::normalise $_;
1606	}	1696	}
1607		1697
1608	\@paths	1698	\@paths
1609	}	1699	}
1610		1700
…		…
1685		1775
1686	=item $player_object->enter_link	1776	=item $player_object->enter_link
1687		1777
1688	Freezes the player and moves him/her to a special map (C<{link}>).	1778	Freezes the player and moves him/her to a special map (C<{link}>).
1689		1779
1690	The player should be reaosnably safe there for short amounts of time. You	1780	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.	1781	I<MUST> call C<leave_link> as soon as possible, though.
1692		1782
		1783	Will never block.
		1784
1693	=item $player_object->leave_link ($map, $x, $y)	1785	=item $player_object->leave_link ($map, $x, $y)
1694		1786
1695	Moves the player out of the specila link map onto the given map. If the	1787	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	1788	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	1789	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	1790	fails, to the emergency map position.
1699		1791
1700	Might block.	1792	Might block.
1701		1793
1702	=cut	1794	=cut
		1795
		1796	sub link_map {
		1797	unless ($LINK_MAP) {
		1798	$LINK_MAP = cf::map::find "{link}"
		1799	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1800	$LINK_MAP->load;
		1801	}
		1802
		1803	$LINK_MAP
		1804	}
1703		1805
1704	sub cf::object::player::enter_link {	1806	sub cf::object::player::enter_link {
1705	my ($self) = @_;	1807	my ($self) = @_;
1706		1808
1707	$self->deactivate_recursive;	1809	$self->deactivate_recursive;
1708		1810
1709	return if $self->map == $LINK_MAP;	1811	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		1812
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	1814	if $self->map;
1713		1815
1714	$self->enter_map ($LINK_MAP, 20, 20);	1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	1817	}
1716		1818
1717	sub cf::object::player::leave_link {	1819	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	1820	my ($self, $map, $x, $y) = @_;
1719		1821
…		…
1741	$map->load;	1843	$map->load;
1742	$map->load_diag;	1844	$map->load_diag;
1743		1845
1744	return unless $self->contr->active;	1846	return unless $self->contr->active;
1745	$self->activate_recursive;	1847	$self->activate_recursive;
		1848
		1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	1850	$self->enter_map ($map, $x, $y);
1747	}	1851	}
1748		1852
1749	cf::player->attach (	1853	cf::player->attach (
1750	on_logout => sub {	1854	on_logout => sub {
…		…
1763	# try to abort aborted map switching on player login :)	1867	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes	1868	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {	1869	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;	1870	$pl->ob->enter_link;
1767	(async {	1871	(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,	1872	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "	1873	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",	1874	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);	1875	cf::NDI_RED);
		1876	# we need this sleep as the login has a concurrent enter_exit running
		1877	# and this sleep increases chances of the player not ending up in scorn
1774	Coro::Timer::sleep 1;	1878	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;	1879	$pl->ob->leave_link;
1776	})->prio (2);	1880	})->prio (2);
1777	}	1881	}
1778	},	1882	},
…		…
1783	=cut	1887	=cut
1784		1888
1785	sub cf::object::player::goto {	1889	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	1890	my ($self, $path, $x, $y) = @_;
1787		1891
1788	$path = new cf::path $path;
1789
1790	$self->enter_link;	1892	$self->enter_link;
1791		1893
1792	(async {	1894	(async {
		1895	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	1896	my $map = cf::map::find $path;
1794	$map = $map->customise_for ($self) if $map;	1897	$map = $map->customise_for ($self) if $map;
1795		1898	$map
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	1899	} or
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1800		1901
1801	$self->leave_link ($map, $x, $y);	1902	$self->leave_link ($map, $x, $y);
1802	})->prio (1);	1903	})->prio (1);
1803	}	1904	}
1804		1905
…		…
1808		1909
1809	sub parse_random_map_params {	1910	sub parse_random_map_params {
1810	my ($spec) = @_;	1911	my ($spec) = @_;
1811		1912
1812	my $rmp = { # defaults	1913	my $rmp = { # defaults
1813	xsize => 10,	1914	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	1915	ysize => (cf::rndm 15, 40),
		1916	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1917	#layout => string,
1815	};	1918	};
1816		1919
1817	for (split /\n/, $spec) {	1920	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	1921	my ($k, $v) = split /\s+/, $_, 2;
1819		1922
…		…
1823	$rmp	1926	$rmp
1824	}	1927	}
1825		1928
1826	sub prepare_random_map {	1929	sub prepare_random_map {
1827	my ($exit) = @_;	1930	my ($exit) = @_;
		1931
		1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		1933
1829	# all this does is basically replace the /! path by	1934	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	1935	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	1936	# that depends on the exit object
1832		1937
1833	my $rmp = parse_random_map_params $exit->msg;	1938	my $rmp = parse_random_map_params $exit->msg;
1834		1939
1835	if ($exit->map) {	1940	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	1941	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	1942	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	1943	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	1944	$rmp->{origin_y} = $exit->y;
1840	}	1945	}
1841		1946
1842	$rmp->{random_seed} ||= $exit->random_seed;	1947	$rmp->{random_seed} ||= $exit->random_seed;
1843		1948
1844	my $data = cf::to_json $rmp;	1949	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	1950	my $md5 = Digest::MD5::md5_hex $data;
		1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1846		1952
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	1954	aio_write $fh, 0, (length $data), $data, 0;
		1955	undef $fh;
		1956	aio_rename "$meta~", $meta;
1849		1957
1850	$exit->slaying ("?random/$md5");	1958	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	1959	$exit->msg (undef);
1852	}	1960	}
1853	}	1961	}
1854		1962
1855	sub cf::object::player::enter_exit {	1963	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	1964	my ($self, $exit) = @_;
1857		1965
1858	return unless $self->type == cf::PLAYER;	1966	return unless $self->type == cf::PLAYER;
		1967
		1968	if ($exit->slaying eq "/!") {
		1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1970	# the problem is that $exit might not survive long enough
		1971	# so it needs to be done right now, right here
		1972	cf::sync_job { prepare_random_map $exit };
		1973	}
		1974
		1975	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1976	my $hp = $exit->stats->hp;
		1977	my $sp = $exit->stats->sp;
1859		1978
1860	$self->enter_link;	1979	$self->enter_link;
1861		1980
1862	(async {	1981	(async {
1863	$self->deactivate_recursive; # just to be sure	1982	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	1983	unless (eval {
1865	prepare_random_map $exit	1984	$self->goto ($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		1985
1871	1;	1986	1;
1872	}) {	1987	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	1988	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	1989	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	1990	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	1991	cf::NDI_UNIQUE | cf::NDI_RED);
1877		1992
1878	warn "ERROR in enter_exit: $@";	1993	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	1994	$self->leave_link;
1880	}	1995	}
1881	})->prio (1);	1996	})->prio (1);
…		…
1894		2009
1895	sub cf::client::send_drawinfo {	2010	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2011	my ($self, $text, $flags) = @_;
1897		2012
1898	utf8::encode $text;	2013	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2015	}
1901		2016
		2017	=item $client->ext_event ($type, %msg)
		2018
		2019	Sends an exti event to the client.
		2020
		2021	=cut
		2022
		2023	sub cf::client::ext_event($$%) {
		2024	my ($self, $type, %msg) = @_;
		2025
		2026	$msg{msgtype} = "event_$type";
		2027	$self->send_packet ("ext " . cf::to_json \%msg);
		2028	}
1902		2029
1903	=item $success = $client->query ($flags, "text", \&cb)	2030	=item $success = $client->query ($flags, "text", \&cb)
1904		2031
1905	Queues a query to the client, calling the given callback with	2032	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2033	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1935	# get handled first	2062	# get handled first
1936	my $queue = delete $ns->{query_queue}	2063	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2064	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2065
1939	(shift @$queue)->[1]->($msg);	2066	(shift @$queue)->[1]->($msg);
		2067	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2068
1941	push @{ $ns->{query_queue} }, @$queue;	2069	push @{ $ns->{query_queue} }, @$queue;
1942		2070
1943	if (@{ $ns->{query_queue} } == @$queue) {	2071	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2072	if (@$queue) {
…		…
2002		2130
2003	# here we export the classes and methods available to script code	2131	# here we export the classes and methods available to script code
2004		2132
2005	=pod	2133	=pod
2006		2134
2007	The following fucntions and emthods are available within a safe environment:	2135	The following functions and methods are available within a safe environment:
2008		2136
2009	cf::object contr pay_amount pay_player map	2137	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2138	cf::object::player player
2011	cf::player peaceful	2139	cf::player peaceful
2012	cf::map trigger	2140	cf::map trigger
…		…
2105	The parameter C<$family> should best start with the name of the extension	2233	The parameter C<$family> should best start with the name of the extension
2106	using it, it should be unique.	2234	using it, it should be unique.
2107		2235
2108	=over 4	2236	=over 4
2109		2237
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	2238	=item $value = cf::db_get $family => $key
2117		2239
2118	Returns a single value from the database	2240	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		2241
2125	=item cf::db_put $family => $key => $value	2242	=item cf::db_put $family => $key => $value
2126		2243
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you	2244	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		2245
2138	=cut	2246	=cut
2139		2247
2140	our $DB;	2248	our $DB;
2141		2249
2142	{	2250	sub db_init {
		2251	unless ($DB) {
		2252	$DB = BDB::db_create $DB_ENV;
		2253
		2254	cf::sync_job {
		2255	eval {
		2256	$DB->set_flags (BDB::CHKSUM);
		2257
		2258	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2259	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2260	cf::cleanup "db_open(db): $!" if $!;
		2261	};
		2262	cf::cleanup "db_open(db): $@" if $@;
		2263	};
		2264
2143	my $path = cf::localdir . "/database.pst";	2265	my $path = cf::localdir . "/database.pst";
		2266	if (stat $path) {
		2267	cf::sync_job {
		2268	my $pst = Storable::retrieve $path;
2144		2269
2145	sub db_load() {	2270	cf::db_put (board => data => $pst->{board});
2146	$DB = stat $path ? Storable::retrieve $path : { };	2271	cf::db_put (guildrules => data => $pst->{guildrules});
2147	}	2272	cf::db_put (rent => balance => $pst->{rent}{balance});
		2273	BDB::db_env_txn_checkpoint $DB_ENV;
2148		2274
2149	my $pid;	2275	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	}	2276	};
2159	}	2277	}
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	});	2278	}
		2279	}
2171		2280
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {	2281	sub db_get($$) {
2178	@_ >= 2	2282	my $key = "$_[0]/$_[1]";
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		2283
		2284	cf::sync_job {
		2285	BDB::db_get $DB, undef, $key, my $data;
		2286
		2287	$! ? ()
		2288	: Compress::LZF::sthaw $data
		2289	}
		2290	}
		2291
2183	sub db_put($$;$) {	2292	sub db_put($$$) {
2184	if (@_ >= 3) {	2293	BDB::dbreq_pri 4;
2185	$DB->{$_[0]}{$_[1]} = $_[2];	2294	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2295	}
		2296
		2297	#############################################################################
		2298	# the server's init and main functions
		2299
		2300	sub load_facedata {
		2301	my $path = sprintf "%s/facedata", cf::datadir;
		2302
		2303	warn "loading facedata from $path\n";
		2304
		2305	my $faces;
		2306	0 < aio_load $path, $faces
		2307	or die "$path: $!";
		2308
		2309	Coro::cede;
		2310	$faces = Storable::thaw $faces;
		2311	Coro::cede;
		2312
		2313	my $meta = delete $faces->{""};
		2314	$meta->{version} == 1
		2315	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2316
		2317	while (my ($face, $info) = each %$faces) {
		2318	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2319	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2320	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2321	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2322	Coro::cede;
		2323	}
		2324
		2325	while (my ($face, $info) = each %$faces) {
		2326	next unless $info->{smooth};
		2327	my $idx = cf::face::find $face
		2328	or next;
		2329	if (my $smooth = cf::face::find $info->{smooth}) {
		2330	cf::face::set_smooth $idx, $smooth;
2186	} else {	2331	} else {
2187	$DB->{$_[0]} = $_[1];	2332	warn "smooth face '$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	},	2333	}
2197	);	2334	Coro::cede;
2198	}	2335	}
2199		2336
2200	#############################################################################	2337	1
2201	# the server's main()	2338	}
		2339
		2340	sub reload_resources {
		2341	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2342	or die "unable to load regions file\n";#d#
		2343	load_facedata
		2344	or die "unable to load facedata\n";#d#
		2345	}
		2346
		2347	sub init {
		2348	reload_resources;
		2349	}
2202		2350
2203	sub cfg_load {	2351	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2352	open my $fh, "<:utf8", cf::confdir . "/config"
2205	or return;	2353	or return;
2206		2354
…		…
2223		2371
2224	sub main {	2372	sub main {
2225	# we must not ever block the main coroutine	2373	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2374	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2375	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2376	(async {
2228	async { Event::one_event };	2377	Event::one_event;
		2378	})->prio (Coro::PRIO_MAX);
2229	};	2379	};
2230		2380
2231	cfg_load;	2381	cfg_load;
2232	db_load;	2382	db_init;
2233	load_extensions;	2383	load_extensions;
		2384
		2385	$TICK_WATCHER->start;
2234	Event::loop;	2386	Event::loop;
2235	}	2387	}
2236		2388
2237	#############################################################################	2389	#############################################################################
2238	# initialisation and cleanup	2390	# initialisation and cleanup
2239		2391
2240	# install some emergency cleanup handlers	2392	# install some emergency cleanup handlers
2241	BEGIN {	2393	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2394	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2395	Event->signal (
		2396	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2397	data => WF_AUTOCANCEL,
2245	signal => $signal,	2398	signal => $signal,
		2399	prio => 0,
2246	cb => sub {	2400	cb => sub {
2247	cf::cleanup "SIG$signal";	2401	cf::cleanup "SIG$signal";
2248	},	2402	},
2249	);	2403	);
2250	}	2404	}
2251	}	2405	}
…		…
2256	warn "enter emergency perl save\n";	2410	warn "enter emergency perl save\n";
2257		2411
2258	cf::sync_job {	2412	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2413	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2414	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2415	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2416	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2417	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2418	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2419	$pl->valid or next;
2266	$pl->save;	2420	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2426	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2427	$map->valid or next;
2274	$map->save;	2428	$map->save;
2275	}	2429	}
2276	warn "end emergency map save\n";	2430	warn "end emergency map save\n";
		2431
		2432	warn "begin emergency database checkpoint\n";
		2433	BDB::db_env_txn_checkpoint $DB_ENV;
		2434	warn "end emergency database checkpoint\n";
2277	};	2435	};
2278		2436
2279	warn "leave emergency perl save\n";	2437	warn "leave emergency perl save\n";
		2438	}
		2439
		2440	sub post_cleanup {
		2441	my ($make_core) = @_;
		2442
		2443	warn Carp::longmess "post_cleanup backtrace"
		2444	if $make_core;
2280	}	2445	}
2281		2446
2282	sub reload() {	2447	sub reload() {
2283	# can/must only be called in main	2448	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2449	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2450	warn "can only reload from main coroutine";
2286	return;	2451	return;
2287	}	2452	}
2288		2453
2289	warn "reloading...";	2454	warn "reloading...";
2290		2455
2291	warn "freezing server";	2456	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2457
		2458	cf::sync_job {
		2459	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2460	cf::emergency_save;
		2461	cf::write_runtime; # external watchdog should not bark
2294		2462
2295	warn "sync database to disk";	2463	warn "syncing database to disk";
2296	cf::db_sync;	2464	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2465
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2466	# if anything goes wrong in here, we should simply crash as we already saved
2301		2467
2302	warn "cancel all watchers";	2468	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2469	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2470	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2471	}
2306		2472
		2473	warn "flushing outstanding aio requests";
		2474	for (;;) {
		2475	BDB::flush;
		2476	IO::AIO::flush;
		2477	Coro::cede;
		2478	last unless IO::AIO::nreqs || BDB::nreqs;
		2479	warn "iterate...";
		2480	}
		2481
		2482	++$RELOAD;
		2483
2307	warn "cancel all extension coros";	2484	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2485	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2486	%EXT_CORO = ();
2310		2487
2311	warn "remove commands";	2488	warn "removing commands";
2312	%COMMAND = ();	2489	%COMMAND = ();
2313		2490
2314	warn "remove ext commands";	2491	warn "removing ext commands";
2315	%EXTCMD = ();	2492	%EXTCMD = ();
2316		2493
2317	warn "unload/nuke all extensions";	2494	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2495	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	2496	warn "... unloading $pkg";
2320		2497
2321	if (my $cb = $pkg->can ("unload")) {	2498	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2499	eval {
2323	$cb->($pkg);	2500	$cb->($pkg);
2324	1	2501	1
2325	} or warn "$pkg unloaded, but with errors: $@";	2502	} or warn "$pkg unloaded, but with errors: $@";
2326	}	2503	}
2327		2504
		2505	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	2506	Symbol::delete_package $pkg;
2329	}	2507	}
2330		2508
2331	warn "unload all perl modules loaded from $LIBDIR";	2509	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	2510	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2511	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		2512
2335	warn "removing <$k>";	2513	warn "... unloading $k";
2336	delete $INC{$k};	2514	delete $INC{$k};
2337		2515
2338	$k =~ s/\.pm$//;	2516	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	2517	$k =~ s/\//::/g;
2340		2518
…		…
2343	}	2521	}
2344		2522
2345	Symbol::delete_package $k;	2523	Symbol::delete_package $k;
2346	}	2524	}
2347		2525
2348	warn "get rid of safe::, as good as possible";	2526	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	2527	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		2529
2352	warn "unload cf.pm \"a bit\"";	2530	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	2531	delete $INC{"cf.pm"};
2354		2532
2355	# don't, removes xs symbols, too,	2533	# don't, removes xs symbols, too,
2356	# and global variables created in xs	2534	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	2535	#Symbol::delete_package __PACKAGE__;
2358		2536
		2537	warn "unload completed, starting to reload now";
		2538
2359	warn "reloading cf.pm";	2539	warn "reloading cf.pm";
2360	require cf;	2540	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2541	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		2542
2363	warn "load config and database again";	2543	warn "loading config and database again";
2364	cf::cfg_load;	2544	cf::cfg_load;
2365	cf::db_load;
2366		2545
2367	warn "load extensions";	2546	warn "loading extensions";
2368	cf::load_extensions;	2547	cf::load_extensions;
2369		2548
2370	warn "reattach attachments to objects/players";	2549	warn "reattaching attachments to objects/players";
2371	_global_reattach;	2550	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	2551	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	2552	reattach $_ for values %MAP;
2374	};	2553	warn "reattaching attachments to players";
		2554	reattach $_ for values %PLAYER;
2375		2555
2376	if ($@) {	2556	warn "loading reloadable resources";
		2557	reload_resources;
		2558
		2559	warn "leaving sync_job";
		2560
		2561	1
		2562	} or do {
2377	warn $@;	2563	warn $@;
2378	warn "error while reloading, exiting.";	2564	warn "error while reloading, exiting.";
2379	exit 1;	2565	exit 1;
2380	}	2566	};
2381		2567
2382	warn "reloaded";	2568	warn "reloaded";
2383	};	2569	};
2384		2570
2385	#############################################################################	2571	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} = $LINK_MAP;
2426	}
2427		2572
2428	register_command "reload" => sub {	2573	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	2574	my ($who, $arg) = @_;
2430		2575
2431	if ($who->flag (FLAG_WIZ)) {	2576	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");	2577	$who->message ("reloading server.");
		2578
		2579	# doing reload synchronously and two reloads happen back-to-back,
		2580	# coro crashes during coro_state_free->destroy here.
		2581
		2582	$RELOAD_WATCHER ||= Event->timer (
		2583	reentrant => 0,
		2584	after => 0,
		2585	data => WF_AUTOCANCEL,
		2586	cb => sub {
2433	reload;	2587	reload;
2434	$who->message ("end of reload.");	2588	undef $RELOAD_WATCHER;
		2589	},
		2590	);
2435	}	2591	}
2436	};	2592	};
2437		2593
2438	unshift @INC, $LIBDIR;	2594	unshift @INC, $LIBDIR;
		2595
		2596	my $bug_warning = 0;
2439		2597
2440	$TICK_WATCHER = Event->timer (	2598	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	2599	reentrant => 0,
		2600	parked => 1,
2442	prio => 0,	2601	prio => 0,
2443	at => $NEXT_TICK || $TICK,	2602	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	2603	data => WF_AUTOCANCEL,
2445	cb => sub {	2604	cb => sub {
		2605	if ($Coro::current != $Coro::main) {
		2606	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2607	unless ++$bug_warning > 10;
		2608	return;
		2609	}
		2610
		2611	$NOW = Event::time;
		2612
2446	cf::server_tick; # one server iteration	2613	cf::server_tick; # one server iteration
2447	$RUNTIME += $TICK;	2614	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	2615	$NEXT_TICK += $TICK;
2449		2616
		2617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2618	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2619	Coro::async_pool {
		2620	write_runtime
		2621	or warn "ERROR: unable to write runtime file: $!";
		2622	};
		2623	}
		2624
2450	$WAIT_FOR_TICK->broadcast;	2625	$WAIT_FOR_TICK->broadcast;
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2626	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2627
		2628	# my $AFTER = Event::time;
		2629	# warn $AFTER - $NOW;#d#
2452		2630
2453	# if we are delayed by four ticks or more, skip them all	2631	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2632	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2455		2633
2456	$TICK_WATCHER->at ($NEXT_TICK);	2634	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	2635	$TICK_WATCHER->start;
2458	},	2636	},
2459	);	2637	);
2460		2638
		2639	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	2640	BDB::max_poll_time $TICK * 0.1;
2462		2641	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	2642	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	2643	fd => BDB::poll_fileno,
2465	poll => 'r',	2644	poll => 'r',
2466	prio => 5,	2645	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	2646	data => WF_AUTOCANCEL,
2473	after => 0,	2647	cb => \&BDB::poll_cb,
2474	interval => 10,	2648	);
2475	cb => sub {	2649	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	2650
2477	write_runtime	2651	BDB::set_sync_prepare {
2478	or warn "ERROR: unable to write runtime file: $!";	2652	my $status;
		2653	my $current = $Coro::current;
		2654	(
		2655	sub {
		2656	$status = $!;
		2657	$current->ready; undef $current;
		2658	},
		2659	sub {
		2660	Coro::schedule while defined $current;
		2661	$! = $status;
		2662	},
		2663	)
		2664	};
		2665
		2666	unless ($DB_ENV) {
		2667	$DB_ENV = BDB::db_env_create;
		2668
		2669	cf::sync_job {
		2670	eval {
		2671	BDB::db_env_open
		2672	$DB_ENV,
		2673	$BDB_ENV_DIR,
		2674	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2675	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2676	0666;
		2677
		2678	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2679
		2680	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2681	$DB_ENV->set_lk_detect;
		2682	};
		2683
		2684	cf::cleanup "db_env_open(db): $@" if $@;
2479	})->();	2685	};
2480	},	2686	}
2481	);	2687	}
		2688
		2689	{
		2690	IO::AIO::min_parallel 8;
		2691
		2692	undef $Coro::AIO::WATCHER;
		2693	IO::AIO::max_poll_time $TICK * 0.1;
		2694	$AIO_POLL_WATCHER = Event->io (
		2695	reentrant => 0,
		2696	data => WF_AUTOCANCEL,
		2697	fd => IO::AIO::poll_fileno,
		2698	poll => 'r',
		2699	prio => 6,
		2700	cb => \&IO::AIO::poll_cb,
		2701	);
		2702	}
2482		2703
2483	END { cf::emergency_save }	2704	END { cf::emergency_save }
2484		2705
2485	1	2706	1
2486		2707

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