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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.232 by root, Wed Apr 4 02:07:19 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
42	our %EXT_MAP = (); # pluggable maps	51	our %EXT_MAP = (); # pluggable maps
43		52
		53	our $RELOAD; # number of reloads so far
44	our @EVENT;	54	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
46		56
47	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
48	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	61	our $NEXT_TICK;
50	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;
51		67
52	our %CFG;	68	our %CFG;
53		69
54	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	71	our $RUNTIME;
56		72
57	our %PLAYER; # all users	73	our %PLAYER; # all users
58	our %MAP; # all maps	74	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
		77	our $BDB_ENV_DIR = cf::localdir . "/db";
61		78
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	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
64		84
65	binmode STDOUT;	85	binmode STDOUT;
66	binmode STDERR;	86	binmode STDERR;
67		87
68	# read virtual server time, if available	88	# read virtual server time, if available
…		…
75	mkdir cf::localdir;	95	mkdir cf::localdir;
76	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
80		101
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
84		105
85	#############################################################################	106	#############################################################################
86		107
87	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
88		109
…		…
187	$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;
188	$d	209	$d
189	} || "[unable to dump $_[0]: '$@']";	210	} || "[unable to dump $_[0]: '$@']";
190	}	211	}
191		212
192	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
193		214
194	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
195		216
196	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
197		218
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
206		220
207	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
208
209	=cut
210
211	sub to_json($) {
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
213	JSON::Syck::Dump $_[0]
214	}
215		222
216	=item cf::lock_wait $string	223	=item cf::lock_wait $string
217		224
218	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
219		226
…		…
256	}	263	}
257		264
258	sub freeze_mainloop {	265	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
260		267
261	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
262	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
263	$guard	272	$guard
264	}	273	}
265		274
266	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
337		346
338	$coro	347	$coro
339	}	348	}
340		349
341	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
342	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
343		354
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345	or return;	356	or return;
346		357
		358	my $value = $cf::RUNTIME + 90 + 10;
347	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
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;	363	and return;
350		364
		365	# always fsync - this file is important
351	aio_fsync $fh	366	aio_fsync $fh
352	and return;	367	and return;
353		368
354	close $fh	369	close $fh
355	or return;	370	or return;
…		…
358	and return;	373	and return;
359		374
360	1	375	1
361	}	376	}
362		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
363	=back	389	=back
364		390
365	=cut	391	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521		392
522	#############################################################################	393	#############################################################################
523		394
524	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
525		396
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	523	our @CB_MAP = ();
653		524
654	my %attachment;	525	my %attachment;
655		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
656	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
658		535
659	use sort 'stable';	536	use sort 'stable';
660		537
…		…
831	# object support	708	# object support
832		709
833	sub reattach {	710	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		715
837	my $registry = $obj->registry;	716	my $registry = $obj->registry;
838		717
839	@$registry = ();	718	@$registry = ();
840		719
…		…
887	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
888		767
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	772	close $fh;
894		773
895	if (@$objs) {	774	if (@$objs) {
896	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) {
897	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	780	close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
903	}	782	}
904	} else {	783	} else {
905	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
1027	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
1030	. "\n};\n1";	909	. "\n};\n1";
1031		910
1032	eval $source	911	unless (eval $source) {
1033	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1034	: "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	}
1035		921
1036	push @EXTS, $pkg;	922	push @EXTS, $pkg;
1037	}	923	}
1038		924
1039	sub load_extensions {	925	sub load_extensions {
…		…
1045	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1046	}	932	}
1047	}	933	}
1048		934
1049	#############################################################################	935	#############################################################################
1050	# load/save/clean perl data associated with a map
1051
1052	*cf::mapsupport::on_clean = sub {
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		936
1065	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1066		938
1067	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1068		940
…		…
1104		976
1105	sub exists($) {	977	sub exists($) {
1106	my ($login) = @_;	978	my ($login) = @_;
1107		979
1108	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1110	}	982	}
1111		983
1112	sub find($) {	984	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	986	my $login = $_[0];
…		…
1160		1032
1161	=cut	1033	=cut
1162		1034
1163	sub quit_character {	1035	sub quit_character {
1164	my ($pl) = @_;	1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
1165		1039
1166	$pl->{deny_save} = 1;	1040	$pl->{deny_save} = 1;
1167	$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
1168		1042
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1174	my $path = playerdir $pl;	1048	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1049	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1050	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1051	delete $cf::PLAYER{$pl->ob->name};
1178	$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
1179	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;
1180	}	1074	}
1181		1075
1182	=item cf::player::list_logins	1076	=item cf::player::list_logins
1183		1077
1184	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
…		…
1204	\@logins	1098	\@logins
1205	}	1099	}
1206		1100
1207	=item $player->maps	1101	=item $player->maps
1208		1102
1209	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
1210	player. May block.	1104	player. May block.
1211		1105
1212	=cut	1106	=cut
1213		1107
1214	sub maps($) {	1108	sub maps($) {
1215	my ($pl) = @_;	1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1112
1217	my $files = aio_readdir playerdir $pl	1113	my $files = aio_readdir playerdir $pl
1218	or return;	1114	or return;
1219		1115
1220	my @paths;	1116	my @paths;
…		…
1222	for (@$files) {	1118	for (@$files) {
1223	utf8::decode $_;	1119	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1120	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1121	next unless /^$PATH_SEP/o;
1226		1122
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1123	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1124	}
1229		1125
1230	\@paths	1126	\@paths
1231	}	1127	}
1232		1128
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1234		1130
1235	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1236		1132
1237	=cut	1133	=cut
1238		1134
1239	sub ext_reply($$$%) {	1135	sub ext_reply($$%) {
1240	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1241		1137
1242	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1243		1139
1244	$self->send ("ext " . cf::to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
		1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	$self->ns->ext_event ($type, %msg);
1245	}	1153	}
1246		1154
1247	package cf;	1155	package cf;
1248		1156
1249	=back	1157	=back
…		…
1258	package cf::map;	1166	package cf::map;
1259		1167
1260	use Fcntl;	1168	use Fcntl;
1261	use Coro::AIO;	1169	use Coro::AIO;
1262		1170
		1171	use overload
		1172	'""' => \&as_string,
		1173	fallback => 1;
		1174
1263	our $MAX_RESET = 3600;	1175	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1176	our $DEFAULT_RESET = 3000;
1265		1177
1266	sub generate_random_map {	1178	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1179	my ($self, $rmp) = @_;
1268
1269	# mit "rum" bekleckern, nicht	1180	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1181	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1185	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1186	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1187	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1188	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1189	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$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},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1191	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(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
1283	}	1323	}
1284		1324
1285	# and all this just because we cannot iterate over	1325	# and all this just because we cannot iterate over
1286	# all maps in C++...	1326	# all maps in C++...
1287	sub change_all_map_light {	1327	sub change_all_map_light {
…		…
1289		1329
1290	$_->change_map_light ($change)	1330	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1331	for grep $_->outdoor, values %cf::MAP;
1292	}	1332	}
1293		1333
		1334	sub unlink_save {
		1335	my ($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
1294	sub load_map_header($) {	1342	sub load_header_from($) {
1295	my ($path) = @_;	1343	my ($self, $path) = @_;
1296		1344
1297	utf8::encode $path;	1345	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1346	#aio_open $path, O_RDONLY, 0
		1347	# or return;
		1348
		1349	$self->_load_header ($path)
1299	or return;	1350	or return;
1300		1351
1301	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
1302	or return;	1395	or return;
		1396	$self->prepare_orig;
		1397	}
1303		1398
1304	# for better error messages only, will be overwritten later	1399	1
1305	$map->path ($path);
1306
1307	$map->load_header ($path)
1308	or return;
1309
1310	$map->{load_path} = $path;
1311
1312	$map
1313	}	1400	}
1314		1401
1315	sub find;	1402	sub find;
1316	sub find {	1403	sub find {
1317	my ($path, $origin) = @_;	1404	my ($path, $origin) = @_;
1318		1405
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1406	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1407
1324	cf::lock_wait "map_find:$key";	1408	cf::lock_wait "map_find:$path";
1325		1409
1326	$cf::MAP{$key} || do {	1410	$cf::MAP{$path} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1411	my $guard = cf::lock_acquire "map_find:$path";
1328		1412	my $map = new_from_path cf::map $path
1329	# do it the slow way
1330	my $map = $path->load_temp;
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1413	or return;
1343		1414
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1415	$map->{last_save} = $cf::RUNTIME;
1356		1416
1357	Coro::cede;	1417	$map->load_header
		1418	or return;
1358		1419
1359	if ($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;
1360	$map->reset;	1423	$map->reset;
1361	undef $guard;	1424	undef $guard;
1362	$map = find $path	1425	return find $path;
1363	or return;
1364	}	1426	}
1365		1427
1366	$cf::MAP{$key} = $map	1428	$cf::MAP{$path} = $map
1367	}	1429	}
1368	}	1430	}
		1431
		1432	sub pre_load { }
		1433	sub post_load { }
1369		1434
1370	sub load {	1435	sub load {
1371	my ($self) = @_;	1436	my ($self) = @_;
1372		1437
		1438	local $self->{deny_reset} = 1; # loading can take a long time
		1439
1373	my $path = $self->{path};	1440	my $path = $self->{path};
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1441	my $guard = cf::lock_acquire "map_load:$path";
1375		1442
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1443	return if $self->in_memory != cf::MAP_SWAPPED;
1377		1444
1378	$self->in_memory (cf::MAP_LOADING);	1445	$self->in_memory (cf::MAP_LOADING);
1379		1446
1380	$self->alloc;	1447	$self->alloc;
		1448
		1449	$self->pre_load;
		1450
1381	$self->load_objects ($self->{load_path}, 1)	1451	$self->_load_objects ($self->{load_path}, 1)
1382	or return;	1452	or return;
1383		1453
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385	if delete $self->{load_original};	1455	if delete $self->{load_original};
1386		1456
1387	if (my $uniq = $path->uniq_path) {	1457	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	1458	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	1459	if (aio_open $uniq, O_RDONLY, 0) {
1390	$self->clear_unique_items;	1460	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	1461	$self->_load_objects ($uniq, 0);
1392	}	1462	}
1393	}	1463	}
1394		1464
1395	Coro::cede;	1465	Coro::cede;
1396		1466
1397	# now do the right thing for maps	1467	# now do the right thing for maps
1398	$self->link_multipart_objects;	1468	$self->link_multipart_objects;
1399		1469
1400	if ($self->{path}->is_style_map) {	1470	unless ($self->{deny_activate}) {
1401	$self->{deny_save} = 1;	1471	$self->decay_objects;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;	1472	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;	1473	$self->update_buttons;
		1474	Coro::cede;
1407	$self->set_darkness_map;	1475	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	1476	$self->difficulty ($self->estimate_difficulty)
1409	unless $self->difficulty;	1477	unless $self->difficulty;
		1478	Coro::cede;
1410	$self->activate;	1479	$self->activate;
1411	}	1480	}
1412		1481
1413	Coro::cede;	1482	$self->post_load;
1414		1483
1415	$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	$self
1416	}	1494	}
1417		1495
1418	# find and load all maps in the 3x3 area around a map	1496	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	1497	sub load_diag {
1420	my ($map) = @_;	1498	my ($map) = @_;
…		…
1450		1528
1451	cf::sync_job { $map->load };	1529	cf::sync_job { $map->load };
1452	}	1530	}
1453		1531
1454	our %MAP_PREFETCH;	1532	our %MAP_PREFETCH;
1455	our $MAP_PREFETCHER = Coro::async {	1533	our $MAP_PREFETCHER = undef;
1456	while () {
1457	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH
1459	or next;
1460	my $path = delete $MAP_PREFETCH{$key};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}
1466	Coro::schedule;
1467	}
1468	};
1469		1534
1470	sub find_async {	1535	sub find_async {
1471	my ($path, $origin) = @_;	1536	my ($path, $origin) = @_;
1472		1537
1473	$path = new cf::path $path, $origin && $origin->path;	1538	$path = normalise $path, $origin && $origin->{path};
1474	my $key = $path->as_string;
1475		1539
1476	if (my $map = $cf::MAP{$key}) {	1540	if (my $map = $cf::MAP{$path}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}	1542	}
1479		1543
1480	$MAP_PREFETCH{$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	};
1481	$MAP_PREFETCHER->ready;	1557	$MAP_PREFETCHER->prio (6);
1482		1558
1483	()	1559	()
1484	}	1560	}
1485		1561
1486	sub save {	1562	sub save {
…		…
1490		1566
1491	$self->{last_save} = $cf::RUNTIME;	1567	$self->{last_save} = $cf::RUNTIME;
1492		1568
1493	return unless $self->dirty;	1569	return unless $self->dirty;
1494		1570
1495	my $save = $self->{path}->save_path; utf8::encode $save;	1571	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1572	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		1573
1498	$self->{load_path} = $save;	1574	$self->{load_path} = $save;
1499		1575
1500	return if $self->{deny_save};	1576	return if $self->{deny_save};
1501		1577
…		…
1504	cf::async {	1580	cf::async {
1505	$_->contr->save for $self->players;	1581	$_->contr->save for $self->players;
1506	};	1582	};
1507		1583
1508	if ($uniq) {	1584	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	1587	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1588	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	1589	}
1514	}	1590	}
1515		1591
1516	sub swap_out {	1592	sub swap_out {
1517	my ($self) = @_;	1593	my ($self) = @_;
…		…
1531		1607
1532	sub reset_at {	1608	sub reset_at {
1533	my ($self) = @_;	1609	my ($self) = @_;
1534		1610
1535	# TODO: safety, remove and allow resettable per-player maps	1611	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};	1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	1613	return 1e99 if $self->{deny_reset};
1538		1614
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		1617
…		…
1546	my ($self) = @_;	1622	my ($self) = @_;
1547		1623
1548	$self->reset_at <= $cf::RUNTIME	1624	$self->reset_at <= $cf::RUNTIME
1549	}	1625	}
1550		1626
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	1627	sub reset {
1573	my ($self) = @_;	1628	my ($self) = @_;
1574		1629
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	1630	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		1631
1577	return if $self->players;	1632	return if $self->players;
1578	return if $self->{path}{user_rel};#d#	1633	return if $self->isa ("ext::map_per_player");#d#
1579		1634
1580	warn "resetting map ", $self->path;#d#	1635	warn "resetting map ", $self->path;#d#
1581		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
1582	delete $cf::MAP{$self->path};	1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->clear;
1583		1650
1584	$_->clear_links_to ($self) for values %cf::MAP;	1651	$_->clear_links_to ($self) for values %cf::MAP;
1585		1652
1586	$self->unlink_save;	1653	$self->unlink_save;
1587	$self->destroy;	1654	$self->destroy;
…		…
1590	my $nuke_counter = "aaaa";	1657	my $nuke_counter = "aaaa";
1591		1658
1592	sub nuke {	1659	sub nuke {
1593	my ($self) = @_;	1660	my ($self) = @_;
1594		1661
		1662	delete $cf::MAP{$self->path};
		1663
		1664	$self->unlink_save;
		1665
		1666	bless $self, "cf::map";
		1667	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	1668	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	1669	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1671
		1672	$cf::MAP{$self->path} = $self;
		1673
1598	$self->reset; # polite request, might not happen	1674	$self->reset; # polite request, might not happen
1599	}	1675	}
1600		1676
1601	sub customise_for {
1602	my ($map, $ob) = @_;
1603
1604	if ($map->per_player) {
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1606	}
1607
1608	$map
1609	}
1610
1611	=item cf::map::unique_maps	1677	=item cf::map::unique_maps
1612		1678
1613	Returns an arrayref of cf::path's of all shared maps that have	1679	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	1680	instantiated unique items. May block.
1615		1681
1616	=cut	1682	=cut
1617		1683
1618	sub unique_maps() {	1684	sub unique_maps() {
…		…
1624	for (@$files) {	1690	for (@$files) {
1625	utf8::decode $_;	1691	utf8::decode $_;
1626	next if /\.pst$/;	1692	next if /\.pst$/;
1627	next unless /^$PATH_SEP/o;	1693	next unless /^$PATH_SEP/o;
1628		1694
1629	push @paths, new cf::path $_;	1695	push @paths, cf::map::normalise $_;
1630	}	1696	}
1631		1697
1632	\@paths	1698	\@paths
1633	}	1699	}
1634		1700
…		…
1709		1775
1710	=item $player_object->enter_link	1776	=item $player_object->enter_link
1711		1777
1712	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}>).
1713		1779
1714	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
1715	I<MUST> call C<leave_link> as soon as possible, though.	1781	I<MUST> call C<leave_link> as soon as possible, though.
1716		1782
		1783	Will never block.
		1784
1717	=item $player_object->leave_link ($map, $x, $y)	1785	=item $player_object->leave_link ($map, $x, $y)
1718		1786
1719	Moves the player out of the specila link map onto the given map. If the	1787	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	1788	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	1789	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	1790	fails, to the emergency map position.
1723		1791
1724	Might block.	1792	Might block.
1725		1793
1726	=cut	1794	=cut
		1795
		1796	sub link_map {
		1797	unless ($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	$LINK_MAP
		1804	}
1727		1805
1728	sub cf::object::player::enter_link {	1806	sub cf::object::player::enter_link {
1729	my ($self) = @_;	1807	my ($self) = @_;
1730		1808
1731	$self->deactivate_recursive;	1809	$self->deactivate_recursive;
1732		1810
1733	return if $self->map == $LINK_MAP;	1811	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		1812
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	1814	if $self->map;
1737		1815
1738	$self->enter_map ($LINK_MAP, 20, 20);	1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	1817	}
1740		1818
1741	sub cf::object::player::leave_link {	1819	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	1820	my ($self, $map, $x, $y) = @_;
1743		1821
…		…
1765	$map->load;	1843	$map->load;
1766	$map->load_diag;	1844	$map->load_diag;
1767		1845
1768	return unless $self->contr->active;	1846	return unless $self->contr->active;
1769	$self->activate_recursive;	1847	$self->activate_recursive;
		1848
		1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	1850	$self->enter_map ($map, $x, $y);
1771	}	1851	}
1772		1852
1773	cf::player->attach (	1853	cf::player->attach (
1774	on_logout => sub {	1854	on_logout => sub {
…		…
1787	# try to abort aborted map switching on player login :)	1867	# try to abort aborted map switching on player login :)
1788	# should happen only on crashes	1868	# should happen only on crashes
1789	if ($pl->ob->{_link_pos}) {	1869	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;	1870	$pl->ob->enter_link;
1791	(async {	1871	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,	1872	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "	1873	"There was an internal problem at your last logout, "
1796	. "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.",
1797	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
1798	Coro::Timer::sleep 1;	1878	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;	1879	$pl->ob->leave_link;
1800	})->prio (2);	1880	})->prio (2);
1801	}	1881	}
1802	},	1882	},
…		…
1807	=cut	1887	=cut
1808		1888
1809	sub cf::object::player::goto {	1889	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	1890	my ($self, $path, $x, $y) = @_;
1811		1891
1812	$path = new cf::path $path;
1813
1814	$self->enter_link;	1892	$self->enter_link;
1815		1893
1816	(async {	1894	(async {
		1895	my $map = eval {
1817	my $map = cf::map::find $path->as_string;	1896	my $map = cf::map::find $path;
1818	$map = $map->customise_for ($self) if $map;	1897	$map = $map->customise_for ($self) if $map;
1819		1898	$map
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	1899	} or
1821	# if $map;
1822
1823	$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);
1824		1901
1825	$self->leave_link ($map, $x, $y);	1902	$self->leave_link ($map, $x, $y);
1826	})->prio (1);	1903	})->prio (1);
1827	}	1904	}
1828		1905
…		…
1832		1909
1833	sub parse_random_map_params {	1910	sub parse_random_map_params {
1834	my ($spec) = @_;	1911	my ($spec) = @_;
1835		1912
1836	my $rmp = { # defaults	1913	my $rmp = { # defaults
1837	xsize => 10,	1914	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	1915	ysize => (cf::rndm 15, 40),
		1916	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1917	#layout => string,
1839	};	1918	};
1840		1919
1841	for (split /\n/, $spec) {	1920	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	1921	my ($k, $v) = split /\s+/, $_, 2;
1843		1922
…		…
1847	$rmp	1926	$rmp
1848	}	1927	}
1849		1928
1850	sub prepare_random_map {	1929	sub prepare_random_map {
1851	my ($exit) = @_;	1930	my ($exit) = @_;
		1931
		1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1852		1933
1853	# all this does is basically replace the /! path by	1934	# all this does is basically replace the /! path by
1854	# a new random map path (?random/...) with a seed	1935	# a new random map path (?random/...) with a seed
1855	# that depends on the exit object	1936	# that depends on the exit object
1856		1937
1857	my $rmp = parse_random_map_params $exit->msg;	1938	my $rmp = parse_random_map_params $exit->msg;
1858		1939
1859	if ($exit->map) {	1940	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	1941	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	1942	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	1943	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	1944	$rmp->{origin_y} = $exit->y;
1864	}	1945	}
1865		1946
1866	$rmp->{random_seed} ||= $exit->random_seed;	1947	$rmp->{random_seed} ||= $exit->random_seed;
1867		1948
1868	my $data = cf::to_json $rmp;	1949	my $data = cf::to_json $rmp;
1869	my $md5 = Digest::MD5::md5_hex $data;	1950	my $md5 = Digest::MD5::md5_hex $data;
		1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1870		1952
1871	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) {
1872	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;
1873		1957
1874	$exit->slaying ("?random/$md5");	1958	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	1959	$exit->msg (undef);
1876	}	1960	}
1877	}	1961	}
1878		1962
1879	sub cf::object::player::enter_exit {	1963	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	1964	my ($self, $exit) = @_;
1881		1965
1882	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	cf::sync_job { prepare_random_map $exit };
		1971	}
		1972
		1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1974	my $hp = $exit->stats->hp;
		1975	my $sp = $exit->stats->sp;
1883		1976
1884	$self->enter_link;	1977	$self->enter_link;
1885		1978
1886	(async {	1979	(async {
1887	$self->deactivate_recursive; # just to be sure	1980	$self->deactivate_recursive; # just to be sure
1888	unless (eval {	1981	unless (eval {
1889	prepare_random_map $exit	1982	$self->goto ($slaying, $hp, $sp);
1890	if $exit->slaying eq "/!";
1891
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1894		1983
1895	1;	1984	1;
1896	}) {	1985	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	1986	$self->message ("Something went wrong deep within the crossfire server. "
1898	. "I'll try to bring you back to the map you were before. "	1987	. "I'll try to bring you back to the map you were before. "
…		…
1918		2007
1919	sub cf::client::send_drawinfo {	2008	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2009	my ($self, $text, $flags) = @_;
1921		2010
1922	utf8::encode $text;	2011	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2012	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2013	}
1925		2014
		2015	=item $client->ext_event ($type, %msg)
		2016
		2017	Sends an exti event to the client.
		2018
		2019	=cut
		2020
		2021	sub cf::client::ext_event($$%) {
		2022	my ($self, $type, %msg) = @_;
		2023
		2024	$msg{msgtype} = "event_$type";
		2025	$self->send_packet ("ext " . cf::to_json \%msg);
		2026	}
1926		2027
1927	=item $success = $client->query ($flags, "text", \&cb)	2028	=item $success = $client->query ($flags, "text", \&cb)
1928		2029
1929	Queues a query to the client, calling the given callback with	2030	Queues a query to the client, calling the given callback with
1930	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2031	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1959	# get handled first	2060	# get handled first
1960	my $queue = delete $ns->{query_queue}	2061	my $queue = delete $ns->{query_queue}
1961	or return; # be conservative, not sure how that can happen, but we saw a crash here	2062	or return; # be conservative, not sure how that can happen, but we saw a crash here
1962		2063
1963	(shift @$queue)->[1]->($msg);	2064	(shift @$queue)->[1]->($msg);
		2065	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2066
1965	push @{ $ns->{query_queue} }, @$queue;	2067	push @{ $ns->{query_queue} }, @$queue;
1966		2068
1967	if (@{ $ns->{query_queue} } == @$queue) {	2069	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2070	if (@$queue) {
…		…
2026		2128
2027	# here we export the classes and methods available to script code	2129	# here we export the classes and methods available to script code
2028		2130
2029	=pod	2131	=pod
2030		2132
2031	The following fucntions and emthods are available within a safe environment:	2133	The following functions and methods are available within a safe environment:
2032		2134
2033	cf::object contr pay_amount pay_player map	2135	cf::object contr pay_amount pay_player map
2034	cf::object::player player	2136	cf::object::player player
2035	cf::player peaceful	2137	cf::player peaceful
2036	cf::map trigger	2138	cf::map trigger
…		…
2129	The parameter C<$family> should best start with the name of the extension	2231	The parameter C<$family> should best start with the name of the extension
2130	using it, it should be unique.	2232	using it, it should be unique.
2131		2233
2132	=over 4	2234	=over 4
2133		2235
2134	=item $hashref = cf::db_get $family
2135
2136	Return a hashref for use by the extension C<$family>, which can be
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139
2140	=item $value = cf::db_get $family => $key	2236	=item $value = cf::db_get $family => $key
2141		2237
2142	Returns a single value from the database	2238	Returns a single value from the database.
2143
2144	=item cf::db_put $family => $hashref
2145
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148		2239
2149	=item cf::db_put $family => $key => $value	2240	=item cf::db_put $family => $key => $value
2150		2241
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you	2242	Stores the given C<$value> in the family.
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161		2243
2162	=cut	2244	=cut
2163		2245
2164	our $DB;	2246	our $DB;
2165		2247
2166	{	2248	sub db_init {
		2249	unless ($DB) {
		2250	$DB = BDB::db_create $DB_ENV;
		2251
		2252	cf::sync_job {
		2253	eval {
		2254	$DB->set_flags (BDB::CHKSUM);
		2255
		2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2258	cf::cleanup "db_open(db): $!" if $!;
		2259	};
		2260	cf::cleanup "db_open(db): $@" if $@;
		2261	};
		2262
2167	my $path = cf::localdir . "/database.pst";	2263	my $path = cf::localdir . "/database.pst";
		2264	if (stat $path) {
		2265	cf::sync_job {
		2266	my $pst = Storable::retrieve $path;
2168		2267
2169	sub db_load() {	2268	cf::db_put (board => data => $pst->{board});
2170	$DB = stat $path ? Storable::retrieve $path : { };	2269	cf::db_put (guildrules => data => $pst->{guildrules});
2171	}	2270	cf::db_put (rent => balance => $pst->{rent}{balance});
		2271	BDB::db_env_txn_checkpoint $DB_ENV;
2172		2272
2173	my $pid;	2273	unlink $path;
2174
2175	sub db_save() {
2176	waitpid $pid, 0 if $pid;
2177	if (0 == ($pid = fork)) {
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}	2274	};
2183	}	2275	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});	2276	}
		2277	}
2195		2278
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}
2200
2201	sub db_get($;$) {	2279	sub db_get($$) {
2202	@_ >= 2	2280	my $key = "$_[0]/$_[1]";
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206		2281
		2282	cf::sync_job {
		2283	BDB::db_get $DB, undef, $key, my $data;
		2284
		2285	$! ? ()
		2286	: Compress::LZF::sthaw $data
		2287	}
		2288	}
		2289
2207	sub db_put($$;$) {	2290	sub db_put($$$) {
2208	if (@_ >= 3) {	2291	BDB::dbreq_pri 4;
2209	$DB->{$_[0]}{$_[1]} = $_[2];	2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2293	}
		2294
		2295	#############################################################################
		2296	# the server's init and main functions
		2297
		2298	sub load_facedata {
		2299	my $path = sprintf "%s/facedata", cf::datadir;
		2300
		2301	warn "loading facedata from $path\n";
		2302
		2303	my $faces;
		2304	0 < aio_load $path, $faces
		2305	or die "$path: $!";
		2306
		2307	Coro::cede;
		2308	$faces = Storable::thaw $faces;
		2309	Coro::cede;
		2310
		2311	my $meta = delete $faces->{""};
		2312	$meta->{version} == 1
		2313	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2314
		2315	while (my ($face, $info) = each %$faces) {
		2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2320	Coro::cede;
		2321	}
		2322
		2323	while (my ($face, $info) = each %$faces) {
		2324	next unless $info->{smooth};
		2325	my $idx = cf::face::find $face
		2326	or next;
		2327	if (my $smooth = cf::face::find $info->{smooth}) {
		2328	cf::face::set_smooth $idx, $smooth;
2210	} else {	2329	} else {
2211	$DB->{$_[0]} = $_[1];	2330	warn "smooth face '$info->{smooth}' not found for face '$face'";
2212	}
2213	db_dirty;
2214	}
2215
2216	cf::global->attach (
2217	prio => 10000,
2218	on_cleanup => sub {
2219	db_sync;
2220	},	2331	}
2221	);	2332	Coro::cede;
2222	}	2333	}
2223		2334
2224	#############################################################################	2335	1
2225	# the server's main()	2336	}
		2337
		2338	sub reload_resources {
		2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2340	or die "unable to load regions file\n";#d#
		2341	load_facedata
		2342	or die "unable to load facedata\n";#d#
		2343	}
		2344
		2345	sub init {
		2346	reload_resources;
		2347	}
2226		2348
2227	sub cfg_load {	2349	sub cfg_load {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	2350	open my $fh, "<:utf8", cf::confdir . "/config"
2229	or return;	2351	or return;
2230		2352
…		…
2247		2369
2248	sub main {	2370	sub main {
2249	# we must not ever block the main coroutine	2371	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	2372	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2374	(async {
2252	async { Event::one_event };	2375	Event::one_event;
		2376	})->prio (Coro::PRIO_MAX);
2253	};	2377	};
2254		2378
2255	cfg_load;	2379	cfg_load;
2256	db_load;	2380	db_init;
2257	load_extensions;	2381	load_extensions;
		2382
		2383	$TICK_WATCHER->start;
2258	Event::loop;	2384	Event::loop;
2259	}	2385	}
2260		2386
2261	#############################################################################	2387	#############################################################################
2262	# initialisation and cleanup	2388	# initialisation and cleanup
2263		2389
2264	# install some emergency cleanup handlers	2390	# install some emergency cleanup handlers
2265	BEGIN {	2391	BEGIN {
2266	for my $signal (qw(INT HUP TERM)) {	2392	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	2393	Event->signal (
		2394	reentrant => 0,
2268	data => WF_AUTOCANCEL,	2395	data => WF_AUTOCANCEL,
2269	signal => $signal,	2396	signal => $signal,
		2397	prio => 0,
2270	cb => sub {	2398	cb => sub {
2271	cf::cleanup "SIG$signal";	2399	cf::cleanup "SIG$signal";
2272	},	2400	},
2273	);	2401	);
2274	}	2402	}
2275	}	2403	}
…		…
2280	warn "enter emergency perl save\n";	2408	warn "enter emergency perl save\n";
2281		2409
2282	cf::sync_job {	2410	cf::sync_job {
2283	# use a peculiar iteration method to avoid tripping on perl	2411	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	2412	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	2413	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	2414	warn "begin emergency player save\n";
2287	for my $login (keys %cf::PLAYER) {	2415	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	2416	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	2417	$pl->valid or next;
2290	$pl->save;	2418	$pl->save;
…		…
2296	my $map = $cf::MAP{$path} or next;	2424	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	2425	$map->valid or next;
2298	$map->save;	2426	$map->save;
2299	}	2427	}
2300	warn "end emergency map save\n";	2428	warn "end emergency map save\n";
		2429
		2430	warn "begin emergency database checkpoint\n";
		2431	BDB::db_env_txn_checkpoint $DB_ENV;
		2432	warn "end emergency database checkpoint\n";
2301	};	2433	};
2302		2434
2303	warn "leave emergency perl save\n";	2435	warn "leave emergency perl save\n";
		2436	}
		2437
		2438	sub post_cleanup {
		2439	my ($make_core) = @_;
		2440
		2441	warn Carp::longmess "post_cleanup backtrace"
		2442	if $make_core;
2304	}	2443	}
2305		2444
2306	sub reload() {	2445	sub reload() {
2307	# can/must only be called in main	2446	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	2447	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	2448	warn "can only reload from main coroutine";
2310	return;	2449	return;
2311	}	2450	}
2312		2451
2313	warn "reloading...";	2452	warn "reloading...";
2314		2453
2315	warn "freezing server";	2454	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	2455
		2456	cf::sync_job {
		2457	cf::write_runtime; # external watchdog should not bark
2317	cf::emergency_save;	2458	cf::emergency_save;
		2459	cf::write_runtime; # external watchdog should not bark
2318		2460
2319	warn "sync database to disk";	2461	warn "syncing database to disk";
2320	cf::db_sync;	2462	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		2463
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved	2464	# if anything goes wrong in here, we should simply crash as we already saved
2325		2465
2326	warn "cancel all watchers";	2466	warn "cancelling all WF_AUTOCANCEL watchers";
2327	for (Event::all_watchers) {	2467	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	2468	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}	2469	}
2330		2470
		2471	warn "flushing outstanding aio requests";
		2472	for (;;) {
		2473	BDB::flush;
		2474	IO::AIO::flush;
		2475	Coro::cede;
		2476	last unless IO::AIO::nreqs || BDB::nreqs;
		2477	warn "iterate...";
		2478	}
		2479
		2480	++$RELOAD;
		2481
2331	warn "cancel all extension coros";	2482	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	2483	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	2484	%EXT_CORO = ();
2334		2485
2335	warn "remove commands";	2486	warn "removing commands";
2336	%COMMAND = ();	2487	%COMMAND = ();
2337		2488
2338	warn "remove ext commands";	2489	warn "removing ext commands";
2339	%EXTCMD = ();	2490	%EXTCMD = ();
2340		2491
2341	warn "unload/nuke all extensions";	2492	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	2493	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	2494	warn "... unloading $pkg";
2344		2495
2345	if (my $cb = $pkg->can ("unload")) {	2496	if (my $cb = $pkg->can ("unload")) {
2346	eval {	2497	eval {
…		…
2351		2502
2352	warn "... nuking $pkg";	2503	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;	2504	Symbol::delete_package $pkg;
2354	}	2505	}
2355		2506
2356	warn "unload all perl modules loaded from $LIBDIR";	2507	warn "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	2508	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2509	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		2510
2360	warn "removing <$k>";	2511	warn "... unloading $k";
2361	delete $INC{$k};	2512	delete $INC{$k};
2362		2513
2363	$k =~ s/\.pm$//;	2514	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	2515	$k =~ s/\//::/g;
2365		2516
…		…
2368	}	2519	}
2369		2520
2370	Symbol::delete_package $k;	2521	Symbol::delete_package $k;
2371	}	2522	}
2372		2523
2373	warn "get rid of safe::, as good as possible";	2524	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	2525	Symbol::delete_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2526	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		2527
2377	warn "unload cf.pm \"a bit\"";	2528	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	2529	delete $INC{"cf.pm"};
2379		2530
2380	# don't, removes xs symbols, too,	2531	# don't, removes xs symbols, too,
2381	# and global variables created in xs	2532	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	2533	#Symbol::delete_package __PACKAGE__;
2383		2534
		2535	warn "unload completed, starting to reload now";
		2536
2384	warn "reloading cf.pm";	2537	warn "reloading cf.pm";
2385	require cf;	2538	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		2540
2388	warn "load config and database again";	2541	warn "loading config and database again";
2389	cf::cfg_load;	2542	cf::cfg_load;
2390	cf::db_load;
2391		2543
2392	warn "load extensions";	2544	warn "loading extensions";
2393	cf::load_extensions;	2545	cf::load_extensions;
2394		2546
2395	warn "reattach attachments to objects/players";	2547	warn "reattaching attachments to objects/players";
2396	_global_reattach;	2548	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	2549	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	2550	reattach $_ for values %MAP;
2399	};	2551	warn "reattaching attachments to players";
		2552	reattach $_ for values %PLAYER;
2400		2553
2401	if ($@) {	2554	warn "loading reloadable resources";
		2555	reload_resources;
		2556
		2557	warn "leaving sync_job";
		2558
		2559	1
		2560	} or do {
2402	warn $@;	2561	warn $@;
2403	warn "error while reloading, exiting.";	2562	warn "error while reloading, exiting.";
2404	exit 1;	2563	exit 1;
2405	}	2564	};
2406		2565
2407	warn "reloaded";	2566	warn "reloaded";
2408	};	2567	};
2409		2568
2410	#############################################################################	2569	our $RELOAD_WATCHER; # used only during reload
2411
2412	unless ($LINK_MAP) {
2413	$LINK_MAP = cf::map::new;
2414
2415	$LINK_MAP->width (41);
2416	$LINK_MAP->height (41);
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,
2425	cb => sub {
2426	$_[0]->w->cancel;
2427
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});
2446
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}
2452		2570
2453	register_command "reload" => sub {	2571	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	2572	my ($who, $arg) = @_;
2455		2573
2456	if ($who->flag (FLAG_WIZ)) {	2574	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");	2575	$who->message ("reloading server.");
		2576
		2577	# doing reload synchronously and two reloads happen back-to-back,
		2578	# coro crashes during coro_state_free->destroy here.
		2579
		2580	$RELOAD_WATCHER ||= Event->timer (
		2581	reentrant => 0,
		2582	after => 0,
		2583	data => WF_AUTOCANCEL,
		2584	cb => sub {
2458	reload;	2585	reload;
2459	$who->message ("end of reload.");	2586	undef $RELOAD_WATCHER;
		2587	},
		2588	);
2460	}	2589	}
2461	};	2590	};
2462		2591
2463	unshift @INC, $LIBDIR;	2592	unshift @INC, $LIBDIR;
		2593
		2594	my $bug_warning = 0;
2464		2595
2465	$TICK_WATCHER = Event->timer (	2596	$TICK_WATCHER = Event->timer (
2466	reentrant => 0,	2597	reentrant => 0,
		2598	parked => 1,
2467	prio => 0,	2599	prio => 0,
2468	at => $NEXT_TICK || $TICK,	2600	at => $NEXT_TICK || $TICK,
2469	data => WF_AUTOCANCEL,	2601	data => WF_AUTOCANCEL,
2470	cb => sub {	2602	cb => sub {
		2603	if ($Coro::current != $Coro::main) {
		2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2605	unless ++$bug_warning > 10;
		2606	return;
		2607	}
		2608
		2609	$NOW = Event::time;
		2610
2471	cf::server_tick; # one server iteration	2611	cf::server_tick; # one server iteration
2472	$RUNTIME += $TICK;	2612	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;	2613	$NEXT_TICK += $TICK;
2474		2614
		2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2616	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2617	Coro::async_pool {
		2618	write_runtime
		2619	or warn "ERROR: unable to write runtime file: $!";
		2620	};
		2621	}
		2622
2475	$WAIT_FOR_TICK->broadcast;	2623	$WAIT_FOR_TICK->broadcast;
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2625
		2626	# my $AFTER = Event::time;
		2627	# warn $AFTER - $NOW;#d#
2477		2628
2478	# if we are delayed by four ticks or more, skip them all	2629	# if we are delayed by four ticks or more, skip them all
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2480		2631
2481	$TICK_WATCHER->at ($NEXT_TICK);	2632	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;	2633	$TICK_WATCHER->start;
2483	},	2634	},
2484	);	2635	);
2485		2636
		2637	{
2486	IO::AIO::max_poll_time $TICK * 0.2;	2638	BDB::max_poll_time $TICK * 0.1;
2487		2639	$BDB_POLL_WATCHER = Event->io (
2488	Event->io (	2640	reentrant => 0,
2489	fd => IO::AIO::poll_fileno,	2641	fd => BDB::poll_fileno,
2490	poll => 'r',	2642	poll => 'r',
2491	prio => 5,	2643	prio => 0,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,	2644	data => WF_AUTOCANCEL,
2498	after => 0,	2645	cb => \&BDB::poll_cb,
2499	interval => 10,	2646	);
2500	cb => sub {	2647	BDB::min_parallel 8;
2501	(Coro::unblock_sub {	2648
2502	write_runtime	2649	BDB::set_sync_prepare {
2503	or warn "ERROR: unable to write runtime file: $!";	2650	my $status;
		2651	my $current = $Coro::current;
		2652	(
		2653	sub {
		2654	$status = $!;
		2655	$current->ready; undef $current;
		2656	},
		2657	sub {
		2658	Coro::schedule while defined $current;
		2659	$! = $status;
		2660	},
		2661	)
		2662	};
		2663
		2664	unless ($DB_ENV) {
		2665	$DB_ENV = BDB::db_env_create;
		2666
		2667	cf::sync_job {
		2668	eval {
		2669	BDB::db_env_open
		2670	$DB_ENV,
		2671	$BDB_ENV_DIR,
		2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2674	0666;
		2675
		2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2677
		2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2679	$DB_ENV->set_lk_detect;
		2680	};
		2681
		2682	cf::cleanup "db_env_open(db): $@" if $@;
2504	})->();	2683	};
2505	},	2684	}
2506	);	2685	}
		2686
		2687	{
		2688	IO::AIO::min_parallel 8;
		2689
		2690	undef $Coro::AIO::WATCHER;
		2691	IO::AIO::max_poll_time $TICK * 0.1;
		2692	$AIO_POLL_WATCHER = Event->io (
		2693	reentrant => 0,
		2694	data => WF_AUTOCANCEL,
		2695	fd => IO::AIO::poll_fileno,
		2696	poll => 'r',
		2697	prio => 6,
		2698	cb => \&IO::AIO::poll_cb,
		2699	);
		2700	}
2507		2701
2508	END { cf::emergency_save }	2702	END { cf::emergency_save }
2509		2703
2510	1	2704	1
2511		2705

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