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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 1.231 by root, Wed Apr 4 00:02:06 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($$%) {
1240	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1241		1137
1242	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
		1139
		1140	$self->send ("ext " . cf::to_json \%msg);
		1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	delete $msg{msgid};
		1153	$msg{msgtype} = "event";
		1154	$msg{eventtype} = $type;
1243		1155
1244	$self->send ("ext " . cf::to_json \%msg);	1156	$self->send ("ext " . cf::to_json \%msg);
1245	}	1157	}
1246		1158
1247	package cf;	1159	package cf;
…		…
1258	package cf::map;	1170	package cf::map;
1259		1171
1260	use Fcntl;	1172	use Fcntl;
1261	use Coro::AIO;	1173	use Coro::AIO;
1262		1174
		1175	use overload
		1176	'""' => \&as_string,
		1177	fallback => 1;
		1178
1263	our $MAX_RESET = 3600;	1179	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1180	our $DEFAULT_RESET = 3000;
1265		1181
1266	sub generate_random_map {	1182	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1183	my ($self, $rmp) = @_;
1268
1269	# mit "rum" bekleckern, nicht	1184	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1185	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1189	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1190	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1191	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1192	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1193	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1194	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1195	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1196	(cf::region::find $rmp->{region}), $rmp->{custom}
		1197	)
		1198	}
		1199
		1200	=item cf::map->register ($regex, $prio)
		1201
		1202	Register a handler for the map path matching the given regex at the
		1203	givne priority (higher is better, built-in handlers have priority 0, the
		1204	default).
		1205
		1206	=cut
		1207
		1208	sub register {
		1209	my (undef, $regex, $prio) = @_;
		1210	my $pkg = caller;
		1211
		1212	no strict;
		1213	push @{"$pkg\::ISA"}, __PACKAGE__;
		1214
		1215	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1216	}
		1217
		1218	# also paths starting with '/'
		1219	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1220
		1221	sub thawer_merge {
		1222	my ($self, $merge) = @_;
		1223
		1224	# we have to keep some variables in memory intact
		1225	local $self->{path};
		1226	local $self->{load_path};
		1227	local $self->{deny_save};
		1228	local $self->{deny_reset};
		1229
		1230	$self->SUPER::thawer_merge ($merge);
		1231	}
		1232
		1233	sub normalise {
		1234	my ($path, $base) = @_;
		1235
		1236	$path = "$path"; # make sure its a string
		1237
		1238	$path =~ s/\.map$//;
		1239
		1240	# map plan:
		1241	#
		1242	# /! non-realised random map exit (special hack!)
		1243	# {... are special paths that are not being touched
		1244	# ?xxx/... are special absolute paths
		1245	# ?random/... random maps
		1246	# /... normal maps
		1247	# ~user/... per-player map of a specific user
		1248
		1249	$path =~ s/$PATH_SEP/\//go;
		1250
		1251	# treat it as relative path if it starts with
		1252	# something that looks reasonable
		1253	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1254	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1255
		1256	$base =~ s{[^/]+/?$}{};
		1257	$path = "$base/$path";
		1258	}
		1259
		1260	for ($path) {
		1261	redo if s{//}{/};
		1262	redo if s{/\.?/}{/};
		1263	redo if s{/[^/]+/\.\./}{/};
		1264	}
		1265
		1266	$path
		1267	}
		1268
		1269	sub new_from_path {
		1270	my (undef, $path, $base) = @_;
		1271
		1272	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1273
		1274	$path = normalise $path, $base;
		1275
		1276	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1277	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1278	my $self = bless cf::map::new, $pkg;
		1279	$self->{path} = $path; $self->path ($path);
		1280	$self->init; # pass $1 etc.
		1281	return $self;
		1282	}
		1283	}
		1284
		1285	Carp::carp "unable to resolve path '$path' (base '$base').";
		1286	()
		1287	}
		1288
		1289	sub init {
		1290	my ($self) = @_;
		1291
		1292	$self
		1293	}
		1294
		1295	sub as_string {
		1296	my ($self) = @_;
		1297
		1298	"$self->{path}"
		1299	}
		1300
		1301	# the displayed name, this is a one way mapping
		1302	sub visible_name {
		1303	&as_string
		1304	}
		1305
		1306	# the original (read-only) location
		1307	sub load_path {
		1308	my ($self) = @_;
		1309
		1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1311	}
		1312
		1313	# the temporary/swap location
		1314	sub save_path {
		1315	my ($self) = @_;
		1316
		1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1319	}
		1320
		1321	# the unique path, undef == no special unique path
		1322	sub uniq_path {
		1323	my ($self) = @_;
		1324
		1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1283	}	1327	}
1284		1328
1285	# and all this just because we cannot iterate over	1329	# and all this just because we cannot iterate over
1286	# all maps in C++...	1330	# all maps in C++...
1287	sub change_all_map_light {	1331	sub change_all_map_light {
…		…
1289		1333
1290	$_->change_map_light ($change)	1334	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1335	for grep $_->outdoor, values %cf::MAP;
1292	}	1336	}
1293		1337
		1338	sub unlink_save {
		1339	my ($self) = @_;
		1340
		1341	utf8::encode (my $save = $self->save_path);
		1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1343	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1344	}
		1345
1294	sub load_map_header($) {	1346	sub load_header_from($) {
1295	my ($path) = @_;	1347	my ($self, $path) = @_;
1296		1348
1297	utf8::encode $path;	1349	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1350	#aio_open $path, O_RDONLY, 0
		1351	# or return;
		1352
		1353	$self->_load_header ($path)
1299	or return;	1354	or return;
1300		1355
1301	my $map = cf::map::new	1356	$self->{load_path} = $path;
		1357
		1358	1
		1359	}
		1360
		1361	sub load_header_orig {
		1362	my ($self) = @_;
		1363
		1364	$self->load_header_from ($self->load_path)
		1365	}
		1366
		1367	sub load_header_temp {
		1368	my ($self) = @_;
		1369
		1370	$self->load_header_from ($self->save_path)
		1371	}
		1372
		1373	sub prepare_temp {
		1374	my ($self) = @_;
		1375
		1376	$self->last_access ((delete $self->{last_access})
		1377	|| $cf::RUNTIME); #d#
		1378	# safety
		1379	$self->{instantiate_time} = $cf::RUNTIME
		1380	if $self->{instantiate_time} > $cf::RUNTIME;
		1381	}
		1382
		1383	sub prepare_orig {
		1384	my ($self) = @_;
		1385
		1386	$self->{load_original} = 1;
		1387	$self->{instantiate_time} = $cf::RUNTIME;
		1388	$self->last_access ($cf::RUNTIME);
		1389	$self->instantiate;
		1390	}
		1391
		1392	sub load_header {
		1393	my ($self) = @_;
		1394
		1395	if ($self->load_header_temp) {
		1396	$self->prepare_temp;
		1397	} else {
		1398	$self->load_header_orig
1302	or return;	1399	or return;
		1400	$self->prepare_orig;
		1401	}
1303		1402
1304	# for better error messages only, will be overwritten later	1403	1
1305	$map->path ($path);
1306
1307	$map->load_header ($path)
1308	or return;
1309
1310	$map->{load_path} = $path;
1311
1312	$map
1313	}	1404	}
1314		1405
1315	sub find;	1406	sub find;
1316	sub find {	1407	sub find {
1317	my ($path, $origin) = @_;	1408	my ($path, $origin) = @_;
1318		1409
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1410	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1411
1324	cf::lock_wait "map_find:$key";	1412	cf::lock_wait "map_find:$path";
1325		1413
1326	$cf::MAP{$key} || do {	1414	$cf::MAP{$path} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1415	my $guard = cf::lock_acquire "map_find:$path";
1328		1416	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;	1417	or return;
1343		1418
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;	1419	$map->{last_save} = $cf::RUNTIME;
1356		1420
1357	Coro::cede;	1421	$map->load_header
		1422	or return;
1358		1423
1359	if ($map->should_reset) {	1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1425	# doing this can freeze the server in a sync job, obviously
		1426	#$cf::WAIT_FOR_TICK->wait;
1360	$map->reset;	1427	$map->reset;
1361	undef $guard;	1428	undef $guard;
1362	$map = find $path	1429	return find $path;
1363	or return;
1364	}	1430	}
1365		1431
1366	$cf::MAP{$key} = $map	1432	$cf::MAP{$path} = $map
1367	}	1433	}
1368	}	1434	}
		1435
		1436	sub pre_load { }
		1437	sub post_load { }
1369		1438
1370	sub load {	1439	sub load {
1371	my ($self) = @_;	1440	my ($self) = @_;
1372		1441
		1442	local $self->{deny_reset} = 1; # loading can take a long time
		1443
1373	my $path = $self->{path};	1444	my $path = $self->{path};
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1445	my $guard = cf::lock_acquire "map_load:$path";
1375		1446
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1447	return if $self->in_memory != cf::MAP_SWAPPED;
1377		1448
1378	$self->in_memory (cf::MAP_LOADING);	1449	$self->in_memory (cf::MAP_LOADING);
1379		1450
1380	$self->alloc;	1451	$self->alloc;
		1452
		1453	$self->pre_load;
		1454
1381	$self->load_objects ($self->{load_path}, 1)	1455	$self->_load_objects ($self->{load_path}, 1)
1382	or return;	1456	or return;
1383		1457
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385	if delete $self->{load_original};	1459	if delete $self->{load_original};
1386		1460
1387	if (my $uniq = $path->uniq_path) {	1461	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	1462	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	1463	if (aio_open $uniq, O_RDONLY, 0) {
1390	$self->clear_unique_items;	1464	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	1465	$self->_load_objects ($uniq, 0);
1392	}	1466	}
1393	}	1467	}
1394		1468
1395	Coro::cede;	1469	Coro::cede;
1396		1470
1397	# now do the right thing for maps	1471	# now do the right thing for maps
1398	$self->link_multipart_objects;	1472	$self->link_multipart_objects;
1399		1473
1400	if ($self->{path}->is_style_map) {	1474	unless ($self->{deny_activate}) {
1401	$self->{deny_save} = 1;	1475	$self->decay_objects;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;	1476	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;	1477	$self->update_buttons;
		1478	Coro::cede;
1407	$self->set_darkness_map;	1479	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	1480	$self->difficulty ($self->estimate_difficulty)
1409	unless $self->difficulty;	1481	unless $self->difficulty;
		1482	Coro::cede;
1410	$self->activate;	1483	$self->activate;
1411	}	1484	}
1412		1485
1413	Coro::cede;	1486	$self->post_load;
1414		1487
1415	$self->in_memory (cf::MAP_IN_MEMORY);	1488	$self->in_memory (cf::MAP_IN_MEMORY);
		1489	}
		1490
		1491	sub customise_for {
		1492	my ($self, $ob) = @_;
		1493
		1494	return find "~" . $ob->name . "/" . $self->{path}
		1495	if $self->per_player;
		1496
		1497	$self
1416	}	1498	}
1417		1499
1418	# find and load all maps in the 3x3 area around a map	1500	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	1501	sub load_diag {
1420	my ($map) = @_;	1502	my ($map) = @_;
…		…
1450		1532
1451	cf::sync_job { $map->load };	1533	cf::sync_job { $map->load };
1452	}	1534	}
1453		1535
1454	our %MAP_PREFETCH;	1536	our %MAP_PREFETCH;
1455	our $MAP_PREFETCHER = Coro::async {	1537	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	$map->load;
1465	}
1466	Coro::schedule;
1467	}
1468	};
1469		1538
1470	sub find_async {	1539	sub find_async {
1471	my ($path, $origin) = @_;	1540	my ($path, $origin) = @_;
1472		1541
1473	$path = new cf::path $path, $origin && $origin->path;	1542	$path = normalise $path, $origin && $origin->{path};
1474	my $key = $path->as_string;
1475		1543
1476	if (my $map = $cf::MAP{$key}) {	1544	if (my $map = $cf::MAP{$path}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}	1546	}
1479		1547
1480	$MAP_PREFETCH{$key} = $path;	1548	undef $MAP_PREFETCH{$path};
		1549	$MAP_PREFETCHER ||= cf::async {
		1550	while (%MAP_PREFETCH) {
		1551	for my $path (keys %MAP_PREFETCH) {
		1552	my $map = find $path
		1553	or next;
		1554	$map->load;
		1555
		1556	delete $MAP_PREFETCH{$path};
		1557	}
		1558	}
		1559	undef $MAP_PREFETCHER;
		1560	};
1481	$MAP_PREFETCHER->ready;	1561	$MAP_PREFETCHER->prio (6);
1482		1562
1483	()	1563	()
1484	}	1564	}
1485		1565
1486	sub save {	1566	sub save {
…		…
1490		1570
1491	$self->{last_save} = $cf::RUNTIME;	1571	$self->{last_save} = $cf::RUNTIME;
1492		1572
1493	return unless $self->dirty;	1573	return unless $self->dirty;
1494		1574
1495	my $save = $self->{path}->save_path; utf8::encode $save;	1575	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1576	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		1577
1498	$self->{load_path} = $save;	1578	$self->{load_path} = $save;
1499		1579
1500	return if $self->{deny_save};	1580	return if $self->{deny_save};
1501		1581
…		…
1504	cf::async {	1584	cf::async {
1505	$_->contr->save for $self->players;	1585	$_->contr->save for $self->players;
1506	};	1586	};
1507		1587
1508	if ($uniq) {	1588	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	1591	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	1593	}
1514	}	1594	}
1515		1595
1516	sub swap_out {	1596	sub swap_out {
1517	my ($self) = @_;	1597	my ($self) = @_;
…		…
1531		1611
1532	sub reset_at {	1612	sub reset_at {
1533	my ($self) = @_;	1613	my ($self) = @_;
1534		1614
1535	# TODO: safety, remove and allow resettable per-player maps	1615	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};	1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	1617	return 1e99 if $self->{deny_reset};
1538		1618
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		1621
…		…
1546	my ($self) = @_;	1626	my ($self) = @_;
1547		1627
1548	$self->reset_at <= $cf::RUNTIME	1628	$self->reset_at <= $cf::RUNTIME
1549	}	1629	}
1550		1630
1551	sub unlink_save {
1552	my ($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	$self->save;
1570	}
1571
1572	sub reset {	1631	sub reset {
1573	my ($self) = @_;	1632	my ($self) = @_;
1574		1633
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	1634	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		1635
1577	return if $self->players;	1636	return if $self->players;
1578	return if $self->{path}{user_rel};#d#	1637	return if $self->isa ("ext::map_per_player");#d#
1579		1638
1580	warn "resetting map ", $self->path;#d#	1639	warn "resetting map ", $self->path;#d#
1581		1640
		1641	$self->in_memory (cf::MAP_SWAPPED);
		1642
		1643	# need to save uniques path
		1644	unless ($self->{deny_save}) {
		1645	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1646
		1647	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1648	if $uniq;
		1649	}
		1650
1582	delete $cf::MAP{$self->path};	1651	delete $cf::MAP{$self->path};
		1652
		1653	$self->clear;
1583		1654
1584	$_->clear_links_to ($self) for values %cf::MAP;	1655	$_->clear_links_to ($self) for values %cf::MAP;
1585		1656
1586	$self->unlink_save;	1657	$self->unlink_save;
1587	$self->destroy;	1658	$self->destroy;
…		…
1590	my $nuke_counter = "aaaa";	1661	my $nuke_counter = "aaaa";
1591		1662
1592	sub nuke {	1663	sub nuke {
1593	my ($self) = @_;	1664	my ($self) = @_;
1594		1665
		1666	delete $cf::MAP{$self->path};
		1667
		1668	$self->unlink_save;
		1669
		1670	bless $self, "cf::map";
		1671	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	1672	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	1673	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1675
		1676	$cf::MAP{$self->path} = $self;
		1677
1598	$self->reset; # polite request, might not happen	1678	$self->reset; # polite request, might not happen
1599	}	1679	}
1600		1680
1601	sub customise_for {
1602	my ($map, $ob) = @_;
1603
1604	if ($map->per_player) {
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1606	}
1607
1608	$map
1609	}
1610
1611	=item cf::map::unique_maps	1681	=item cf::map::unique_maps
1612		1682
1613	Returns an arrayref of cf::path's of all shared maps that have	1683	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	1684	instantiated unique items. May block.
1615		1685
1616	=cut	1686	=cut
1617		1687
1618	sub unique_maps() {	1688	sub unique_maps() {
…		…
1624	for (@$files) {	1694	for (@$files) {
1625	utf8::decode $_;	1695	utf8::decode $_;
1626	next if /\.pst$/;	1696	next if /\.pst$/;
1627	next unless /^$PATH_SEP/o;	1697	next unless /^$PATH_SEP/o;
1628		1698
1629	push @paths, new cf::path $_;	1699	push @paths, cf::map::normalise $_;
1630	}	1700	}
1631		1701
1632	\@paths	1702	\@paths
1633	}	1703	}
1634		1704
…		…
1709		1779
1710	=item $player_object->enter_link	1780	=item $player_object->enter_link
1711		1781
1712	Freezes the player and moves him/her to a special map (C<{link}>).	1782	Freezes the player and moves him/her to a special map (C<{link}>).
1713		1783
1714	The player should be reaosnably safe there for short amounts of time. You	1784	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.	1785	I<MUST> call C<leave_link> as soon as possible, though.
1716		1786
		1787	Will never block.
		1788
1717	=item $player_object->leave_link ($map, $x, $y)	1789	=item $player_object->leave_link ($map, $x, $y)
1718		1790
1719	Moves the player out of the specila link map onto the given map. If the	1791	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	1792	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	1793	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	1794	fails, to the emergency map position.
1723		1795
1724	Might block.	1796	Might block.
1725		1797
1726	=cut	1798	=cut
		1799
		1800	sub link_map {
		1801	unless ($LINK_MAP) {
		1802	$LINK_MAP = cf::map::find "{link}"
		1803	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1804	$LINK_MAP->load;
		1805	}
		1806
		1807	$LINK_MAP
		1808	}
1727		1809
1728	sub cf::object::player::enter_link {	1810	sub cf::object::player::enter_link {
1729	my ($self) = @_;	1811	my ($self) = @_;
1730		1812
1731	$self->deactivate_recursive;	1813	$self->deactivate_recursive;
1732		1814
1733	return if $self->map == $LINK_MAP;	1815	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		1816
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	1818	if $self->map;
1737		1819
1738	$self->enter_map ($LINK_MAP, 20, 20);	1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	1821	}
1740		1822
1741	sub cf::object::player::leave_link {	1823	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	1824	my ($self, $map, $x, $y) = @_;
1743		1825
…		…
1765	$map->load;	1847	$map->load;
1766	$map->load_diag;	1848	$map->load_diag;
1767		1849
1768	return unless $self->contr->active;	1850	return unless $self->contr->active;
1769	$self->activate_recursive;	1851	$self->activate_recursive;
		1852
		1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	1854	$self->enter_map ($map, $x, $y);
1771	}	1855	}
1772		1856
1773	cf::player->attach (	1857	cf::player->attach (
1774	on_logout => sub {	1858	on_logout => sub {
…		…
1787	# try to abort aborted map switching on player login :)	1871	# try to abort aborted map switching on player login :)
1788	# should happen only on crashes	1872	# should happen only on crashes
1789	if ($pl->ob->{_link_pos}) {	1873	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;	1874	$pl->ob->enter_link;
1791	(async {	1875	(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,	1876	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "	1877	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",	1878	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);	1879	cf::NDI_RED);
		1880	# we need this sleep as the login has a concurrent enter_exit running
		1881	# and this sleep increases chances of the player not ending up in scorn
1798	Coro::Timer::sleep 1;	1882	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;	1883	$pl->ob->leave_link;
1800	})->prio (2);	1884	})->prio (2);
1801	}	1885	}
1802	},	1886	},
…		…
1807	=cut	1891	=cut
1808		1892
1809	sub cf::object::player::goto {	1893	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	1894	my ($self, $path, $x, $y) = @_;
1811		1895
1812	$path = new cf::path $path;
1813
1814	$self->enter_link;	1896	$self->enter_link;
1815		1897
1816	(async {	1898	(async {
		1899	my $map = eval {
1817	my $map = cf::map::find $path->as_string;	1900	my $map = cf::map::find $path;
1818	$map = $map->customise_for ($self) if $map;	1901	$map = $map->customise_for ($self) if $map;
1819		1902	$map
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	1903	} or
1821	# if $map;
1822
1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1824		1905
1825	$self->leave_link ($map, $x, $y);	1906	$self->leave_link ($map, $x, $y);
1826	})->prio (1);	1907	})->prio (1);
1827	}	1908	}
1828		1909
…		…
1832		1913
1833	sub parse_random_map_params {	1914	sub parse_random_map_params {
1834	my ($spec) = @_;	1915	my ($spec) = @_;
1835		1916
1836	my $rmp = { # defaults	1917	my $rmp = { # defaults
1837	xsize => 10,	1918	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	1919	ysize => (cf::rndm 15, 40),
		1920	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1921	#layout => string,
1839	};	1922	};
1840		1923
1841	for (split /\n/, $spec) {	1924	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	1925	my ($k, $v) = split /\s+/, $_, 2;
1843		1926
…		…
1847	$rmp	1930	$rmp
1848	}	1931	}
1849		1932
1850	sub prepare_random_map {	1933	sub prepare_random_map {
1851	my ($exit) = @_;	1934	my ($exit) = @_;
		1935
		1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1852		1937
1853	# all this does is basically replace the /! path by	1938	# all this does is basically replace the /! path by
1854	# a new random map path (?random/...) with a seed	1939	# a new random map path (?random/...) with a seed
1855	# that depends on the exit object	1940	# that depends on the exit object
1856		1941
1857	my $rmp = parse_random_map_params $exit->msg;	1942	my $rmp = parse_random_map_params $exit->msg;
1858		1943
1859	if ($exit->map) {	1944	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	1945	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	1946	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	1947	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	1948	$rmp->{origin_y} = $exit->y;
1864	}	1949	}
1865		1950
1866	$rmp->{random_seed} ||= $exit->random_seed;	1951	$rmp->{random_seed} ||= $exit->random_seed;
1867		1952
1868	my $data = cf::to_json $rmp;	1953	my $data = cf::to_json $rmp;
1869	my $md5 = Digest::MD5::md5_hex $data;	1954	my $md5 = Digest::MD5::md5_hex $data;
		1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1870		1956
1871	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872	aio_write $fh, 0, (length $data), $data, 0;	1958	aio_write $fh, 0, (length $data), $data, 0;
		1959	undef $fh;
		1960	aio_rename "$meta~", $meta;
1873		1961
1874	$exit->slaying ("?random/$md5");	1962	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	1963	$exit->msg (undef);
1876	}	1964	}
1877	}	1965	}
1878		1966
1879	sub cf::object::player::enter_exit {	1967	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	1968	my ($self, $exit) = @_;
1881		1969
1882	return unless $self->type == cf::PLAYER;	1970	return unless $self->type == cf::PLAYER;
		1971
		1972	if ($exit->slaying eq "/!") {
		1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1974	cf::sync_job { prepare_random_map $exit };
		1975	}
		1976
		1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1978	my $hp = $exit->stats->hp;
		1979	my $sp = $exit->stats->sp;
1883		1980
1884	$self->enter_link;	1981	$self->enter_link;
1885		1982
1886	(async {	1983	(async {
1887	$self->deactivate_recursive; # just to be sure	1984	$self->deactivate_recursive; # just to be sure
1888	unless (eval {	1985	unless (eval {
1889	prepare_random_map $exit	1986	$self->goto ($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		1987
1895	1;	1988	1;
1896	}) {	1989	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	1990	$self->message ("Something went wrong deep within the crossfire server. "
1898	. "I'll try to bring you back to the map you were before. "	1991	. "I'll try to bring you back to the map you were before. "
…		…
1918		2011
1919	sub cf::client::send_drawinfo {	2012	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2013	my ($self, $text, $flags) = @_;
1921		2014
1922	utf8::encode $text;	2015	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2017	}
1925		2018
1926		2019
1927	=item $success = $client->query ($flags, "text", \&cb)	2020	=item $success = $client->query ($flags, "text", \&cb)
1928		2021
…		…
1959	# get handled first	2052	# get handled first
1960	my $queue = delete $ns->{query_queue}	2053	my $queue = delete $ns->{query_queue}
1961	or return; # be conservative, not sure how that can happen, but we saw a crash here	2054	or return; # be conservative, not sure how that can happen, but we saw a crash here
1962		2055
1963	(shift @$queue)->[1]->($msg);	2056	(shift @$queue)->[1]->($msg);
		2057	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2058
1965	push @{ $ns->{query_queue} }, @$queue;	2059	push @{ $ns->{query_queue} }, @$queue;
1966		2060
1967	if (@{ $ns->{query_queue} } == @$queue) {	2061	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2062	if (@$queue) {
…		…
2026		2120
2027	# here we export the classes and methods available to script code	2121	# here we export the classes and methods available to script code
2028		2122
2029	=pod	2123	=pod
2030		2124
2031	The following fucntions and emthods are available within a safe environment:	2125	The following functions and methods are available within a safe environment:
2032		2126
2033	cf::object contr pay_amount pay_player map	2127	cf::object contr pay_amount pay_player map
2034	cf::object::player player	2128	cf::object::player player
2035	cf::player peaceful	2129	cf::player peaceful
2036	cf::map trigger	2130	cf::map trigger
…		…
2129	The parameter C<$family> should best start with the name of the extension	2223	The parameter C<$family> should best start with the name of the extension
2130	using it, it should be unique.	2224	using it, it should be unique.
2131		2225
2132	=over 4	2226	=over 4
2133		2227
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	2228	=item $value = cf::db_get $family => $key
2141		2229
2142	Returns a single value from the database	2230	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		2231
2149	=item cf::db_put $family => $key => $value	2232	=item cf::db_put $family => $key => $value
2150		2233
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you	2234	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		2235
2162	=cut	2236	=cut
2163		2237
2164	our $DB;	2238	our $DB;
2165		2239
2166	{	2240	sub db_init {
		2241	unless ($DB) {
		2242	$DB = BDB::db_create $DB_ENV;
		2243
		2244	cf::sync_job {
		2245	eval {
		2246	$DB->set_flags (BDB::CHKSUM);
		2247
		2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2250	cf::cleanup "db_open(db): $!" if $!;
		2251	};
		2252	cf::cleanup "db_open(db): $@" if $@;
		2253	};
		2254
2167	my $path = cf::localdir . "/database.pst";	2255	my $path = cf::localdir . "/database.pst";
		2256	if (stat $path) {
		2257	cf::sync_job {
		2258	my $pst = Storable::retrieve $path;
2168		2259
2169	sub db_load() {	2260	cf::db_put (board => data => $pst->{board});
2170	$DB = stat $path ? Storable::retrieve $path : { };	2261	cf::db_put (guildrules => data => $pst->{guildrules});
2171	}	2262	cf::db_put (rent => balance => $pst->{rent}{balance});
		2263	BDB::db_env_txn_checkpoint $DB_ENV;
2172		2264
2173	my $pid;	2265	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	}	2266	};
2183	}	2267	}
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	});	2268	}
		2269	}
2195		2270
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}
2200
2201	sub db_get($;$) {	2271	sub db_get($$) {
2202	@_ >= 2	2272	my $key = "$_[0]/$_[1]";
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206		2273
		2274	cf::sync_job {
		2275	BDB::db_get $DB, undef, $key, my $data;
		2276
		2277	$! ? ()
		2278	: Compress::LZF::sthaw $data
		2279	}
		2280	}
		2281
2207	sub db_put($$;$) {	2282	sub db_put($$$) {
2208	if (@_ >= 3) {	2283	BDB::dbreq_pri 4;
2209	$DB->{$_[0]}{$_[1]} = $_[2];	2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2285	}
		2286
		2287	#############################################################################
		2288	# the server's init and main functions
		2289
		2290	sub load_facedata {
		2291	my $path = sprintf "%s/facedata", cf::datadir;
		2292
		2293	warn "loading facedata from $path\n";
		2294
		2295	my $faces;
		2296	0 < aio_load $path, $faces
		2297	or die "$path: $!";
		2298
		2299	Coro::cede;
		2300	$faces = Storable::thaw $faces;
		2301	Coro::cede;
		2302
		2303	my $meta = delete $faces->{""};
		2304	$meta->{version} == 1
		2305	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2306
		2307	while (my ($face, $info) = each %$faces) {
		2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2312	Coro::cede;
		2313	}
		2314
		2315	while (my ($face, $info) = each %$faces) {
		2316	next unless $info->{smooth};
		2317	my $idx = cf::face::find $face
		2318	or next;
		2319	if (my $smooth = cf::face::find $info->{smooth}) {
		2320	cf::face::set_smooth $idx, $smooth;
2210	} else {	2321	} else {
2211	$DB->{$_[0]} = $_[1];	2322	warn "smooth face '$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	},	2323	}
2221	);	2324	Coro::cede;
2222	}	2325	}
2223		2326
2224	#############################################################################	2327	1
2225	# the server's main()	2328	}
		2329
		2330	sub reload_resources {
		2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2332	or die "unable to load regions file\n";#d#
		2333	load_facedata
		2334	or die "unable to load facedata\n";#d#
		2335	}
		2336
		2337	sub init {
		2338	reload_resources;
		2339	}
2226		2340
2227	sub cfg_load {	2341	sub cfg_load {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	2342	open my $fh, "<:utf8", cf::confdir . "/config"
2229	or return;	2343	or return;
2230		2344
…		…
2247		2361
2248	sub main {	2362	sub main {
2249	# we must not ever block the main coroutine	2363	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	2364	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2366	(async {
2252	async { Event::one_event };	2367	Event::one_event;
		2368	})->prio (Coro::PRIO_MAX);
2253	};	2369	};
2254		2370
2255	cfg_load;	2371	cfg_load;
2256	db_load;	2372	db_init;
2257	load_extensions;	2373	load_extensions;
		2374
		2375	$TICK_WATCHER->start;
2258	Event::loop;	2376	Event::loop;
2259	}	2377	}
2260		2378
2261	#############################################################################	2379	#############################################################################
2262	# initialisation and cleanup	2380	# initialisation and cleanup
2263		2381
2264	# install some emergency cleanup handlers	2382	# install some emergency cleanup handlers
2265	BEGIN {	2383	BEGIN {
2266	for my $signal (qw(INT HUP TERM)) {	2384	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	2385	Event->signal (
		2386	reentrant => 0,
2268	data => WF_AUTOCANCEL,	2387	data => WF_AUTOCANCEL,
2269	signal => $signal,	2388	signal => $signal,
		2389	prio => 0,
2270	cb => sub {	2390	cb => sub {
2271	cf::cleanup "SIG$signal";	2391	cf::cleanup "SIG$signal";
2272	},	2392	},
2273	);	2393	);
2274	}	2394	}
2275	}	2395	}
…		…
2280	warn "enter emergency perl save\n";	2400	warn "enter emergency perl save\n";
2281		2401
2282	cf::sync_job {	2402	cf::sync_job {
2283	# use a peculiar iteration method to avoid tripping on perl	2403	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	2404	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	2405	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	2406	warn "begin emergency player save\n";
2287	for my $login (keys %cf::PLAYER) {	2407	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	2408	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	2409	$pl->valid or next;
2290	$pl->save;	2410	$pl->save;
…		…
2296	my $map = $cf::MAP{$path} or next;	2416	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	2417	$map->valid or next;
2298	$map->save;	2418	$map->save;
2299	}	2419	}
2300	warn "end emergency map save\n";	2420	warn "end emergency map save\n";
		2421
		2422	warn "begin emergency database checkpoint\n";
		2423	BDB::db_env_txn_checkpoint $DB_ENV;
		2424	warn "end emergency database checkpoint\n";
2301	};	2425	};
2302		2426
2303	warn "leave emergency perl save\n";	2427	warn "leave emergency perl save\n";
		2428	}
		2429
		2430	sub post_cleanup {
		2431	my ($make_core) = @_;
		2432
		2433	warn Carp::longmess "post_cleanup backtrace"
		2434	if $make_core;
2304	}	2435	}
2305		2436
2306	sub reload() {	2437	sub reload() {
2307	# can/must only be called in main	2438	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	2439	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	2440	warn "can only reload from main coroutine";
2310	return;	2441	return;
2311	}	2442	}
2312		2443
2313	warn "reloading...";	2444	warn "reloading...";
2314		2445
2315	warn "freezing server";	2446	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	2447
		2448	cf::sync_job {
		2449	cf::write_runtime; # external watchdog should not bark
2317	cf::emergency_save;	2450	cf::emergency_save;
		2451	cf::write_runtime; # external watchdog should not bark
2318		2452
2319	warn "sync database to disk";	2453	warn "syncing database to disk";
2320	cf::db_sync;	2454	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		2455
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved	2456	# if anything goes wrong in here, we should simply crash as we already saved
2325		2457
2326	warn "cancel all watchers";	2458	warn "cancelling all WF_AUTOCANCEL watchers";
2327	for (Event::all_watchers) {	2459	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}	2461	}
2330		2462
		2463	warn "flushing outstanding aio requests";
		2464	for (;;) {
		2465	BDB::flush;
		2466	IO::AIO::flush;
		2467	Coro::cede;
		2468	last unless IO::AIO::nreqs || BDB::nreqs;
		2469	warn "iterate...";
		2470	}
		2471
		2472	++$RELOAD;
		2473
2331	warn "cancel all extension coros";	2474	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	2475	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	2476	%EXT_CORO = ();
2334		2477
2335	warn "remove commands";	2478	warn "removing commands";
2336	%COMMAND = ();	2479	%COMMAND = ();
2337		2480
2338	warn "remove ext commands";	2481	warn "removing ext commands";
2339	%EXTCMD = ();	2482	%EXTCMD = ();
2340		2483
2341	warn "unload/nuke all extensions";	2484	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	2485	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	2486	warn "... unloading $pkg";
2344		2487
2345	if (my $cb = $pkg->can ("unload")) {	2488	if (my $cb = $pkg->can ("unload")) {
2346	eval {	2489	eval {
…		…
2351		2494
2352	warn "... nuking $pkg";	2495	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;	2496	Symbol::delete_package $pkg;
2354	}	2497	}
2355		2498
2356	warn "unload all perl modules loaded from $LIBDIR";	2499	warn "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	2500	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		2502
2360	warn "removing <$k>";	2503	warn "... unloading $k";
2361	delete $INC{$k};	2504	delete $INC{$k};
2362		2505
2363	$k =~ s/\.pm$//;	2506	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	2507	$k =~ s/\//::/g;
2365		2508
…		…
2368	}	2511	}
2369		2512
2370	Symbol::delete_package $k;	2513	Symbol::delete_package $k;
2371	}	2514	}
2372		2515
2373	warn "get rid of safe::, as good as possible";	2516	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	2517	Symbol::delete_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		2519
2377	warn "unload cf.pm \"a bit\"";	2520	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	2521	delete $INC{"cf.pm"};
2379		2522
2380	# don't, removes xs symbols, too,	2523	# don't, removes xs symbols, too,
2381	# and global variables created in xs	2524	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	2525	#Symbol::delete_package __PACKAGE__;
2383		2526
		2527	warn "unload completed, starting to reload now";
		2528
2384	warn "reloading cf.pm";	2529	warn "reloading cf.pm";
2385	require cf;	2530	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		2532
2388	warn "load config and database again";	2533	warn "loading config and database again";
2389	cf::cfg_load;	2534	cf::cfg_load;
2390	cf::db_load;
2391		2535
2392	warn "load extensions";	2536	warn "loading extensions";
2393	cf::load_extensions;	2537	cf::load_extensions;
2394		2538
2395	warn "reattach attachments to objects/players";	2539	warn "reattaching attachments to objects/players";
2396	_global_reattach;	2540	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	2541	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	2542	reattach $_ for values %MAP;
2399	};	2543	warn "reattaching attachments to players";
		2544	reattach $_ for values %PLAYER;
2400		2545
2401	if ($@) {	2546	warn "loading reloadable resources";
		2547	reload_resources;
		2548
		2549	warn "leaving sync_job";
		2550
		2551	1
		2552	} or do {
2402	warn $@;	2553	warn $@;
2403	warn "error while reloading, exiting.";	2554	warn "error while reloading, exiting.";
2404	exit 1;	2555	exit 1;
2405	}	2556	};
2406		2557
2407	warn "reloaded";	2558	warn "reloaded";
2408	};	2559	};
2409		2560
2410	#############################################################################	2561	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} = $LINK_MAP;
2451	}
2452		2562
2453	register_command "reload" => sub {	2563	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	2564	my ($who, $arg) = @_;
2455		2565
2456	if ($who->flag (FLAG_WIZ)) {	2566	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");	2567	$who->message ("reloading server.");
		2568
		2569	# doing reload synchronously and two reloads happen back-to-back,
		2570	# coro crashes during coro_state_free->destroy here.
		2571
		2572	$RELOAD_WATCHER ||= Event->timer (
		2573	reentrant => 0,
		2574	after => 0,
		2575	data => WF_AUTOCANCEL,
		2576	cb => sub {
2458	reload;	2577	reload;
2459	$who->message ("end of reload.");	2578	undef $RELOAD_WATCHER;
		2579	},
		2580	);
2460	}	2581	}
2461	};	2582	};
2462		2583
2463	unshift @INC, $LIBDIR;	2584	unshift @INC, $LIBDIR;
		2585
		2586	my $bug_warning = 0;
2464		2587
2465	$TICK_WATCHER = Event->timer (	2588	$TICK_WATCHER = Event->timer (
2466	reentrant => 0,	2589	reentrant => 0,
		2590	parked => 1,
2467	prio => 0,	2591	prio => 0,
2468	at => $NEXT_TICK || $TICK,	2592	at => $NEXT_TICK || $TICK,
2469	data => WF_AUTOCANCEL,	2593	data => WF_AUTOCANCEL,
2470	cb => sub {	2594	cb => sub {
		2595	if ($Coro::current != $Coro::main) {
		2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2597	unless ++$bug_warning > 10;
		2598	return;
		2599	}
		2600
		2601	$NOW = Event::time;
		2602
2471	cf::server_tick; # one server iteration	2603	cf::server_tick; # one server iteration
2472	$RUNTIME += $TICK;	2604	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;	2605	$NEXT_TICK += $TICK;
2474		2606
		2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2608	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2609	Coro::async_pool {
		2610	write_runtime
		2611	or warn "ERROR: unable to write runtime file: $!";
		2612	};
		2613	}
		2614
2475	$WAIT_FOR_TICK->broadcast;	2615	$WAIT_FOR_TICK->broadcast;
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2617
		2618	# my $AFTER = Event::time;
		2619	# warn $AFTER - $NOW;#d#
2477		2620
2478	# if we are delayed by four ticks or more, skip them all	2621	# if we are delayed by four ticks or more, skip them all
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2480		2623
2481	$TICK_WATCHER->at ($NEXT_TICK);	2624	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;	2625	$TICK_WATCHER->start;
2483	},	2626	},
2484	);	2627	);
2485		2628
		2629	{
2486	IO::AIO::max_poll_time $TICK * 0.2;	2630	BDB::max_poll_time $TICK * 0.1;
2487		2631	$BDB_POLL_WATCHER = Event->io (
2488	Event->io (	2632	reentrant => 0,
2489	fd => IO::AIO::poll_fileno,	2633	fd => BDB::poll_fileno,
2490	poll => 'r',	2634	poll => 'r',
2491	prio => 5,	2635	prio => 0,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,	2636	data => WF_AUTOCANCEL,
2498	after => 0,	2637	cb => \&BDB::poll_cb,
2499	interval => 10,	2638	);
2500	cb => sub {	2639	BDB::min_parallel 8;
2501	(Coro::unblock_sub {	2640
2502	write_runtime	2641	BDB::set_sync_prepare {
2503	or warn "ERROR: unable to write runtime file: $!";	2642	my $status;
		2643	my $current = $Coro::current;
		2644	(
		2645	sub {
		2646	$status = $!;
		2647	$current->ready; undef $current;
		2648	},
		2649	sub {
		2650	Coro::schedule while defined $current;
		2651	$! = $status;
		2652	},
		2653	)
		2654	};
		2655
		2656	unless ($DB_ENV) {
		2657	$DB_ENV = BDB::db_env_create;
		2658
		2659	cf::sync_job {
		2660	eval {
		2661	BDB::db_env_open
		2662	$DB_ENV,
		2663	$BDB_ENV_DIR,
		2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2666	0666;
		2667
		2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2669
		2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2671	$DB_ENV->set_lk_detect;
		2672	};
		2673
		2674	cf::cleanup "db_env_open(db): $@" if $@;
2504	})->();	2675	};
2505	},	2676	}
2506	);	2677	}
		2678
		2679	{
		2680	IO::AIO::min_parallel 8;
		2681
		2682	undef $Coro::AIO::WATCHER;
		2683	IO::AIO::max_poll_time $TICK * 0.1;
		2684	$AIO_POLL_WATCHER = Event->io (
		2685	reentrant => 0,
		2686	data => WF_AUTOCANCEL,
		2687	fd => IO::AIO::poll_fileno,
		2688	poll => 'r',
		2689	prio => 6,
		2690	cb => \&IO::AIO::poll_cb,
		2691	);
		2692	}
2507		2693
2508	END { cf::emergency_save }	2694	END { cf::emergency_save }
2509		2695
2510	1	2696	1
2511		2697

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