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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.237 by root, Fri Apr 13 05:08:51 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;
		21	use Coro::Storable;
19		22
		23	use BDB ();
20	use Data::Dumper;	24	use Data::Dumper;
21	use Digest::MD5;	25	use Digest::MD5;
22	use Fcntl;	26	use Fcntl;
		27	use YAML::Syck ();
23	use IO::AIO 2.32 ();	28	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
26		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$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		39
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
33		42
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		44
		45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		46
36	our %COMMAND = ();	47	our %COMMAND = ();
37	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
38		49
39	our @EXTS = (); # list of extension package names	50	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	51	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
42		54
		55	our $RELOAD; # number of reloads so far
43	our @EVENT;	56	our @EVENT;
44	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
45		58
46	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6;
47	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	63	our $NEXT_TICK;
49	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
50		69
51	our %CFG;	70	our %CFG;
52		71
53	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	73	our $RUNTIME;
55		74
56	our %PLAYER; # all users	75	our %PLAYER; # all users
57	our %MAP; # all maps	76	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
		79	our $BDB_ENV_DIR = cf::localdir . "/db";
60		80
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		83
		84	# used to convert map paths into valid unix filenames by replacing / by ∕
		85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
63		86
64	binmode STDOUT;	87	binmode STDOUT;
65	binmode STDERR;	88	binmode STDERR;
66		89
67	# read virtual server time, if available	90	# read virtual server time, if available
…		…
74	mkdir cf::localdir;	97	mkdir cf::localdir;
75	mkdir cf::localdir . "/" . cf::playerdir;	98	mkdir cf::localdir . "/" . cf::playerdir;
76	mkdir cf::localdir . "/" . cf::tmpdir;	99	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;	100	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;	101	mkdir $RANDOM_MAPS;
		102	mkdir $BDB_ENV_DIR;
79		103
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	104	our $EMERGENCY_POSITION;
		105
		106	sub cf::map::normalise;
83		107
84	#############################################################################	108	#############################################################################
85		109
86	=head2 GLOBAL VARIABLES	110	=head2 GLOBAL VARIABLES
87		111
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	211	$d
188	} || "[unable to dump $_[0]: '$@']";	212	} || "[unable to dump $_[0]: '$@']";
189	}	213	}
190		214
191	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
192		216
193	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
194		218
195	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
196		220
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
205		222
206	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
207
208	=cut
209
210	sub to_json($) {
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
212	JSON::Syck::Dump $_[0]
213	}
214		224
215	=item cf::lock_wait $string	225	=item cf::lock_wait $string
216		226
217	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
218		228
…		…
255	}	265	}
256		266
257	sub freeze_mainloop {	267	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
259		269
260	my $guard = Coro::guard { $TICK_WATCHER->start };	270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
261	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
262	$guard	274	$guard
263	}	275	}
264		276
265	=item cf::async { BLOCK }	277	=item cf::async { BLOCK }
…		…
336		348
337	$coro	349	$coro
338	}	350	}
339		351
340	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
341	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
342		356
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
344	or return;	358	or return;
345		359
		360	my $value = $cf::RUNTIME + 90 + 10;
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;	365	and return;
349		366
		367	# always fsync - this file is important
350	aio_fsync $fh	368	aio_fsync $fh
351	and return;	369	and return;
352		370
353	close $fh	371	close $fh
354	or return;	372	or return;
…		…
357	and return;	375	and return;
358		376
359	1	377	1
360	}	378	}
361		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
362	=back	391	=back
363		392
364	=cut	393	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		394
493	#############################################################################	395	#############################################################################
494		396
495	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
496		398
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	525	our @CB_MAP = ();
624		526
625	my %attachment;	527	my %attachment;
626		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
627	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
629		537
630	use sort 'stable';	538	use sort 'stable';
631		539
…		…
802	# object support	710	# object support
803		711
804	sub reattach {	712	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		717
808	my $registry = $obj->registry;	718	my $registry = $obj->registry;
809		719
810	@$registry = ();	720	@$registry = ();
811		721
…		…
858	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
859		769
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	774	close $fh;
865		775
866	if (@$objs) {	776	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	782	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
874	}	784	}
875	} else {	785	} else {
876	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
987	my $base = $1;	897	my $base = $1;
988	my $pkg = $1;	898	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
991		901
992	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
993		903
994	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
995	or die "$path: $!";	905	or die "$path: $!";
996		906
997	my $source =	907	my $source =
998	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
1001	. "\n};\n1";	911	. "\n};\n1";
1002		912
1003	eval $source	913	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	915	: "extension disabled.\n";
		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		917	warn $@;
		918	warn "mandatory extension failed to load, exiting.\n";
		919	exit 1;
		920	}
		921	die $@;
		922	}
1006		923
1007	push @EXTS, $pkg;	924	push @EXTS, $pkg;
1008	}	925	}
1009		926
1010	sub load_extensions {	927	sub load_extensions {
…		…
1016	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1017	}	934	}
1018	}	935	}
1019		936
1020	#############################################################################	937	#############################################################################
1021	# load/save/clean perl data associated with a map
1022
1023	*cf::mapsupport::on_clean = sub {
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		938
1036	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1037		940
1038	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1039		942
…		…
1062	}	965	}
1063		966
1064	sub path($) {	967	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		969
1067	(playerdir $login) . "/$login.pl"	970	(playerdir $login) . "/playerdata"
1068	}	971	}
1069		972
1070	sub find_active($) {	973	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	974	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	975	and $cf::PLAYER{$_[0]}->active
…		…
1075		978
1076	sub exists($) {	979	sub exists($) {
1077	my ($login) = @_;	980	my ($login) = @_;
1078		981
1079	$cf::PLAYER{$login}	982	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	983	or cf::sync_job { !aio_stat path $login }
1081	}	984	}
1082		985
1083	sub find($) {	986	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	987	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	988	my $login = $_[0];
1086		989
1087	my $guard = cf::lock_acquire "user_find:$login";	990	my $guard = cf::lock_acquire "user_find:$login";
1088		991
1089	$cf::PLAYER{$_[0]} || do {	992	$cf::PLAYER{$_[0]} || do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
1090	my $pl = load_pl path $login	1000	my $pl = load_pl path $login
1091	or return;	1001	or return;
1092	$cf::PLAYER{$login} = $pl	1002	$cf::PLAYER{$login} = $pl
1093	}	1003	}
1094	}	1004	}
…		…
1131		1041
1132	=cut	1042	=cut
1133		1043
1134	sub quit_character {	1044	sub quit_character {
1135	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1136		1048
1137	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1050	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1051
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1059	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
1150	IO::AIO::aio_rmtree $temp;	1068	IO::AIO::aio_rmtree $temp;
		1069	}
		1070
		1071	=item $pl->kick
		1072
		1073	Kicks a player out of the game. This destroys the connection.
		1074
		1075	=cut
		1076
		1077	sub kick {
		1078	my ($pl, $kicker) = @_;
		1079
		1080	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1081	$pl->killer ("kicked");
		1082	$pl->ns->destroy;
1151	}	1083	}
1152		1084
1153	=item cf::player::list_logins	1085	=item cf::player::list_logins
1154		1086
1155	Returns am arrayref of all valid playernames in the system, can take a	1087	Returns am arrayref of all valid playernames in the system, can take a
…		…
1175	\@logins	1107	\@logins
1176	}	1108	}
1177		1109
1178	=item $player->maps	1110	=item $player->maps
1179		1111
1180	Returns an arrayref of cf::path's of all maps that are private for this	1112	Returns an arrayref of map paths that are private for this
1181	player. May block.	1113	player. May block.
1182		1114
1183	=cut	1115	=cut
1184		1116
1185	sub maps($) {	1117	sub maps($) {
1186	my ($pl) = @_;	1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1121
1188	my $files = aio_readdir playerdir $pl	1122	my $files = aio_readdir playerdir $pl
1189	or return;	1123	or return;
1190		1124
1191	my @paths;	1125	my @paths;
…		…
1193	for (@$files) {	1127	for (@$files) {
1194	utf8::decode $_;	1128	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1129	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1130	next unless /^$PATH_SEP/o;
1197		1131
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1132	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1133	}
1200		1134
1201	\@paths	1135	\@paths
1202	}	1136	}
1203		1137
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1205		1139
1206	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1207		1141
1208	=cut	1142	=cut
1209		1143
1210	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1212		1146
1213	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1214		1148
1215	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
1216	}	1162	}
1217		1163
1218	package cf;	1164	package cf;
1219		1165
1220	=back	1166	=back
…		…
1229	package cf::map;	1175	package cf::map;
1230		1176
1231	use Fcntl;	1177	use Fcntl;
1232	use Coro::AIO;	1178	use Coro::AIO;
1233		1179
		1180	use overload
		1181	'""' => \&as_string,
		1182	fallback => 1;
		1183
1234	our $MAX_RESET = 3600;	1184	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1185	our $DEFAULT_RESET = 3000;
1236		1186
1237	sub generate_random_map {	1187	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1188	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1189	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1190	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1194	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1195	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1196	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1197	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1198	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1199	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1200	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1201	(cf::region::find $rmp->{region}), $rmp->{custom}
		1202	)
		1203	}
		1204
		1205	=item cf::map->register ($regex, $prio)
		1206
		1207	Register a handler for the map path matching the given regex at the
		1208	givne priority (higher is better, built-in handlers have priority 0, the
		1209	default).
		1210
		1211	=cut
		1212
		1213	sub register {
		1214	my (undef, $regex, $prio) = @_;
		1215	my $pkg = caller;
		1216
		1217	no strict;
		1218	push @{"$pkg\::ISA"}, __PACKAGE__;
		1219
		1220	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1221	}
		1222
		1223	# also paths starting with '/'
		1224	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1225
		1226	sub thawer_merge {
		1227	my ($self, $merge) = @_;
		1228
		1229	# we have to keep some variables in memory intact
		1230	local $self->{path};
		1231	local $self->{load_path};
		1232	local $self->{deny_save};
		1233	local $self->{deny_reset};
		1234
		1235	$self->SUPER::thawer_merge ($merge);
		1236	}
		1237
		1238	sub normalise {
		1239	my ($path, $base) = @_;
		1240
		1241	$path = "$path"; # make sure its a string
		1242
		1243	$path =~ s/\.map$//;
		1244
		1245	# map plan:
		1246	#
		1247	# /! non-realised random map exit (special hack!)
		1248	# {... are special paths that are not being touched
		1249	# ?xxx/... are special absolute paths
		1250	# ?random/... random maps
		1251	# /... normal maps
		1252	# ~user/... per-player map of a specific user
		1253
		1254	$path =~ s/$PATH_SEP/\//go;
		1255
		1256	# treat it as relative path if it starts with
		1257	# something that looks reasonable
		1258	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1259	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1260
		1261	$base =~ s{[^/]+/?$}{};
		1262	$path = "$base/$path";
		1263	}
		1264
		1265	for ($path) {
		1266	redo if s{//}{/};
		1267	redo if s{/\.?/}{/};
		1268	redo if s{/[^/]+/\.\./}{/};
		1269	}
		1270
		1271	$path
		1272	}
		1273
		1274	sub new_from_path {
		1275	my (undef, $path, $base) = @_;
		1276
		1277	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1278
		1279	$path = normalise $path, $base;
		1280
		1281	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1282	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1283	my $self = bless cf::map::new, $pkg;
		1284	$self->{path} = $path; $self->path ($path);
		1285	$self->init; # pass $1 etc.
		1286	return $self;
		1287	}
		1288	}
		1289
		1290	Carp::carp "unable to resolve path '$path' (base '$base').";
		1291	()
		1292	}
		1293
		1294	sub init {
		1295	my ($self) = @_;
		1296
		1297	$self
		1298	}
		1299
		1300	sub as_string {
		1301	my ($self) = @_;
		1302
		1303	"$self->{path}"
		1304	}
		1305
		1306	# the displayed name, this is a one way mapping
		1307	sub visible_name {
		1308	&as_string
		1309	}
		1310
		1311	# the original (read-only) location
		1312	sub load_path {
		1313	my ($self) = @_;
		1314
		1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1316	}
		1317
		1318	# the temporary/swap location
		1319	sub save_path {
		1320	my ($self) = @_;
		1321
		1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1324	}
		1325
		1326	# the unique path, undef == no special unique path
		1327	sub uniq_path {
		1328	my ($self) = @_;
		1329
		1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1254	}	1332	}
1255		1333
1256	# and all this just because we cannot iterate over	1334	# and all this just because we cannot iterate over
1257	# all maps in C++...	1335	# all maps in C++...
1258	sub change_all_map_light {	1336	sub change_all_map_light {
…		…
1260		1338
1261	$_->change_map_light ($change)	1339	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1340	for grep $_->outdoor, values %cf::MAP;
1263	}	1341	}
1264		1342
		1343	sub unlink_save {
		1344	my ($self) = @_;
		1345
		1346	utf8::encode (my $save = $self->save_path);
		1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1348	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1349	}
		1350
1265	sub try_load_header($) {	1351	sub load_header_from($) {
1266	my ($path) = @_;	1352	my ($self, $path) = @_;
1267		1353
1268	utf8::encode $path;	1354	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1355	#aio_open $path, O_RDONLY, 0
		1356	# or return;
		1357
		1358	$self->_load_header ($path)
1270	or return;	1359	or return;
1271		1360
1272	my $map = cf::map::new	1361	$self->{load_path} = $path;
		1362
		1363	1
		1364	}
		1365
		1366	sub load_header_orig {
		1367	my ($self) = @_;
		1368
		1369	$self->load_header_from ($self->load_path)
		1370	}
		1371
		1372	sub load_header_temp {
		1373	my ($self) = @_;
		1374
		1375	$self->load_header_from ($self->save_path)
		1376	}
		1377
		1378	sub prepare_temp {
		1379	my ($self) = @_;
		1380
		1381	$self->last_access ((delete $self->{last_access})
		1382	|| $cf::RUNTIME); #d#
		1383	# safety
		1384	$self->{instantiate_time} = $cf::RUNTIME
		1385	if $self->{instantiate_time} > $cf::RUNTIME;
		1386	}
		1387
		1388	sub prepare_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->{load_original} = 1;
		1392	$self->{instantiate_time} = $cf::RUNTIME;
		1393	$self->last_access ($cf::RUNTIME);
		1394	$self->instantiate;
		1395	}
		1396
		1397	sub load_header {
		1398	my ($self) = @_;
		1399
		1400	if ($self->load_header_temp) {
		1401	$self->prepare_temp;
		1402	} else {
		1403	$self->load_header_orig
1273	or return;	1404	or return;
		1405	$self->prepare_orig;
		1406	}
1274		1407
1275	# for better error messages only, will be overwritten	1408	1
1276	$map->path ($path);
1277
1278	$map->load_header ($path)
1279	or return;
1280
1281	$map->{load_path} = $path;
1282
1283	$map
1284	}	1409	}
1285		1410
1286	sub find;	1411	sub find;
1287	sub find {	1412	sub find {
1288	my ($path, $origin) = @_;	1413	my ($path, $origin) = @_;
1289		1414
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1415	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1416
1295	cf::lock_wait "map_find:$key";	1417	cf::lock_wait "map_find:$path";
1296		1418
1297	$cf::MAP{$key} || do {	1419	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1420	my $guard = cf::lock_acquire "map_find:$path";
1299		1421	my $map = new_from_path cf::map $path
1300	# do it the slow way
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1422	or return;
1319		1423
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1424	$map->{last_save} = $cf::RUNTIME;
1332		1425
1333	Coro::cede;	1426	$map->load_header
		1427	or return;
1334		1428
1335	if ($map->should_reset) {	1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1430	# doing this can freeze the server in a sync job, obviously
		1431	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1432	$map->reset;
1337	undef $guard;	1433	undef $guard;
1338	$map = find $path	1434	return find $path;
1339	or return;
1340	}	1435	}
1341		1436
1342	$cf::MAP{$key} = $map	1437	$cf::MAP{$path} = $map
1343	}	1438	}
1344	}	1439	}
		1440
		1441	sub pre_load { }
		1442	sub post_load { }
1345		1443
1346	sub load {	1444	sub load {
1347	my ($self) = @_;	1445	my ($self) = @_;
1348		1446
		1447	local $self->{deny_reset} = 1; # loading can take a long time
		1448
1349	my $path = $self->{path};	1449	my $path = $self->{path};
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1450	my $guard = cf::lock_acquire "map_load:$path";
1351		1451
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1452	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1453
1354	$self->in_memory (cf::MAP_LOADING);	1454	$self->in_memory (cf::MAP_LOADING);
1355		1455
1356	$self->alloc;	1456	$self->alloc;
		1457
		1458	$self->pre_load;
		1459
1357	$self->load_objects ($self->{load_path}, 1)	1460	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1461	or return;
1359		1462
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1464	if delete $self->{load_original};
1362		1465
1363	if (my $uniq = $path->uniq_path) {	1466	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1467	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1468	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1469	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1470	$self->_load_objects ($uniq, 0);
1368	}	1471	}
1369	}	1472	}
1370		1473
1371	Coro::cede;	1474	Coro::cede;
1372		1475
1373	# now do the right thing for maps	1476	# now do the right thing for maps
1374	$self->link_multipart_objects;	1477	$self->link_multipart_objects;
1375		1478
1376	if ($self->{path}->is_style_map) {	1479	unless ($self->{deny_activate}) {
1377	$self->{deny_save} = 1;	1480	$self->decay_objects;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;	1481	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;	1482	$self->update_buttons;
		1483	Coro::cede;
1383	$self->set_darkness_map;	1484	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1485	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1486	unless $self->difficulty;
		1487	Coro::cede;
1386	$self->activate;	1488	$self->activate;
1387	}	1489	}
1388		1490
1389	Coro::cede;	1491	$self->post_load;
1390		1492
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1493	$self->in_memory (cf::MAP_IN_MEMORY);
		1494	}
		1495
		1496	sub customise_for {
		1497	my ($self, $ob) = @_;
		1498
		1499	return find "~" . $ob->name . "/" . $self->{path}
		1500	if $self->per_player;
		1501
		1502	$self
1392	}	1503	}
1393		1504
1394	# find and load all maps in the 3x3 area around a map	1505	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1506	sub load_diag {
1396	my ($map) = @_;	1507	my ($map) = @_;
…		…
1426		1537
1427	cf::sync_job { $map->load };	1538	cf::sync_job { $map->load };
1428	}	1539	}
1429		1540
1430	our %MAP_PREFETCH;	1541	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1542	our $MAP_PREFETCHER = undef;
1432	while () {
1433	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH
1435	or next;
1436	my $path = delete $MAP_PREFETCH{$key};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1543
1446	sub find_async {	1544	sub find_async {
1447	my ($path, $origin) = @_;	1545	my ($path, $origin) = @_;
1448		1546
1449	$path = new cf::path $path, $origin && $origin->path;	1547	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1548
1452	if (my $map = $cf::MAP{$key}) {	1549	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1551	}
1455		1552
1456	$MAP_PREFETCH{$key} = $path;	1553	undef $MAP_PREFETCH{$path};
		1554	$MAP_PREFETCHER ||= cf::async {
		1555	while (%MAP_PREFETCH) {
		1556	for my $path (keys %MAP_PREFETCH) {
		1557	my $map = find $path
		1558	or next;
		1559	$map->load;
		1560
		1561	delete $MAP_PREFETCH{$path};
		1562	}
		1563	}
		1564	undef $MAP_PREFETCHER;
		1565	};
1457	$MAP_PREFETCHER->ready;	1566	$MAP_PREFETCHER->prio (6);
1458		1567
1459	()	1568	()
1460	}	1569	}
1461		1570
1462	sub save {	1571	sub save {
…		…
1466		1575
1467	$self->{last_save} = $cf::RUNTIME;	1576	$self->{last_save} = $cf::RUNTIME;
1468		1577
1469	return unless $self->dirty;	1578	return unless $self->dirty;
1470		1579
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1580	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1581	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1582
1474	$self->{load_path} = $save;	1583	$self->{load_path} = $save;
1475		1584
1476	return if $self->{deny_save};	1585	return if $self->{deny_save};
1477		1586
…		…
1480	cf::async {	1589	cf::async {
1481	$_->contr->save for $self->players;	1590	$_->contr->save for $self->players;
1482	};	1591	};
1483		1592
1484	if ($uniq) {	1593	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1596	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1597	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1598	}
1490	}	1599	}
1491		1600
1492	sub swap_out {	1601	sub swap_out {
1493	my ($self) = @_;	1602	my ($self) = @_;
…		…
1507		1616
1508	sub reset_at {	1617	sub reset_at {
1509	my ($self) = @_;	1618	my ($self) = @_;
1510		1619
1511	# TODO: safety, remove and allow resettable per-player maps	1620	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};	1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1513	return 1e99 if $self->{deny_reset};	1622	return 1e99 if $self->{deny_reset};
1514		1623
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1626
…		…
1522	my ($self) = @_;	1631	my ($self) = @_;
1523		1632
1524	$self->reset_at <= $cf::RUNTIME	1633	$self->reset_at <= $cf::RUNTIME
1525	}	1634	}
1526		1635
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	1636	sub reset {
1549	my ($self) = @_;	1637	my ($self) = @_;
1550		1638
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1639	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1640
1553	return if $self->players;	1641	return if $self->players;
1554	return if $self->{path}{user_rel};#d#	1642	return if $self->isa ("ext::map_per_player");#d#
1555		1643
1556	warn "resetting map ", $self->path;#d#	1644	warn "resetting map ", $self->path;#d#
1557		1645
		1646	$self->in_memory (cf::MAP_SWAPPED);
		1647
		1648	# need to save uniques path
		1649	unless ($self->{deny_save}) {
		1650	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1651
		1652	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1653	if $uniq;
		1654	}
		1655
1558	delete $cf::MAP{$self->path};	1656	delete $cf::MAP{$self->path};
		1657
		1658	$self->clear;
1559		1659
1560	$_->clear_links_to ($self) for values %cf::MAP;	1660	$_->clear_links_to ($self) for values %cf::MAP;
1561		1661
1562	$self->unlink_save;	1662	$self->unlink_save;
1563	$self->destroy;	1663	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	1666	my $nuke_counter = "aaaa";
1567		1667
1568	sub nuke {	1668	sub nuke {
1569	my ($self) = @_;	1669	my ($self) = @_;
1570		1670
		1671	delete $cf::MAP{$self->path};
		1672
		1673	$self->unlink_save;
		1674
		1675	bless $self, "cf::map";
		1676	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	1677	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	1678	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1680
		1681	$cf::MAP{$self->path} = $self;
		1682
1574	$self->reset; # polite request, might not happen	1683	$self->reset; # polite request, might not happen
1575	}	1684	}
1576		1685
1577	sub customise_for {
1578	my ($map, $ob) = @_;
1579
1580	if ($map->per_player) {
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1582	}
1583
1584	$map
1585	}
1586
1587	=item cf::map::unique_maps	1686	=item cf::map::unique_maps
1588		1687
1589	Returns an arrayref of cf::path's of all shared maps that have	1688	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	1689	instantiated unique items. May block.
1591		1690
1592	=cut	1691	=cut
1593		1692
1594	sub unique_maps() {	1693	sub unique_maps() {
…		…
1600	for (@$files) {	1699	for (@$files) {
1601	utf8::decode $_;	1700	utf8::decode $_;
1602	next if /\.pst$/;	1701	next if /\.pst$/;
1603	next unless /^$PATH_SEP/o;	1702	next unless /^$PATH_SEP/o;
1604		1703
1605	push @paths, new cf::path $_;	1704	push @paths, cf::map::normalise $_;
1606	}	1705	}
1607		1706
1608	\@paths	1707	\@paths
1609	}	1708	}
1610		1709
…		…
1685		1784
1686	=item $player_object->enter_link	1785	=item $player_object->enter_link
1687		1786
1688	Freezes the player and moves him/her to a special map (C<{link}>).	1787	Freezes the player and moves him/her to a special map (C<{link}>).
1689		1788
1690	The player should be reaosnably safe there for short amounts of time. You	1789	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	1790	I<MUST> call C<leave_link> as soon as possible, though.
1692		1791
		1792	Will never block.
		1793
1693	=item $player_object->leave_link ($map, $x, $y)	1794	=item $player_object->leave_link ($map, $x, $y)
1694		1795
1695	Moves the player out of the specila link map onto the given map. If the	1796	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	1797	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	1798	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	1799	fails, to the emergency map position.
1699		1800
1700	Might block.	1801	Might block.
1701		1802
1702	=cut	1803	=cut
		1804
		1805	sub link_map {
		1806	unless ($LINK_MAP) {
		1807	$LINK_MAP = cf::map::find "{link}"
		1808	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1809	$LINK_MAP->load;
		1810	}
		1811
		1812	$LINK_MAP
		1813	}
1703		1814
1704	sub cf::object::player::enter_link {	1815	sub cf::object::player::enter_link {
1705	my ($self) = @_;	1816	my ($self) = @_;
1706		1817
1707	$self->deactivate_recursive;	1818	$self->deactivate_recursive;
1708		1819
1709	return if $self->map == $LINK_MAP;	1820	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		1821
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	1823	if $self->map;
1713		1824
1714	$self->enter_map ($LINK_MAP, 20, 20);	1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	1826	}
1716		1827
1717	sub cf::object::player::leave_link {	1828	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	1829	my ($self, $map, $x, $y) = @_;
1719		1830
…		…
1741	$map->load;	1852	$map->load;
1742	$map->load_diag;	1853	$map->load_diag;
1743		1854
1744	return unless $self->contr->active;	1855	return unless $self->contr->active;
1745	$self->activate_recursive;	1856	$self->activate_recursive;
		1857
		1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	1859	$self->enter_map ($map, $x, $y);
1747	}	1860	}
1748		1861
1749	cf::player->attach (	1862	cf::player->attach (
1750	on_logout => sub {	1863	on_logout => sub {
…		…
1763	# try to abort aborted map switching on player login :)	1876	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes	1877	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {	1878	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;	1879	$pl->ob->enter_link;
1767	(async {	1880	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,	1881	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "	1882	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",	1883	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);	1884	cf::NDI_RED);
		1885	# we need this sleep as the login has a concurrent enter_exit running
		1886	# and this sleep increases chances of the player not ending up in scorn
1774	Coro::Timer::sleep 1;	1887	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;	1888	$pl->ob->leave_link;
1776	})->prio (2);	1889	})->prio (2);
1777	}	1890	}
1778	},	1891	},
…		…
1783	=cut	1896	=cut
1784		1897
1785	sub cf::object::player::goto {	1898	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	1899	my ($self, $path, $x, $y) = @_;
1787		1900
1788	$path = new cf::path $path;
1789
1790	$self->enter_link;	1901	$self->enter_link;
1791		1902
1792	(async {	1903	(async {
		1904	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	1905	my $map = cf::map::find $path;
1794	$map = $map->customise_for ($self) if $map;	1906	$map = $map->customise_for ($self) if $map;
1795		1907	$map
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	1908	} or
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1800		1910
1801	$self->leave_link ($map, $x, $y);	1911	$self->leave_link ($map, $x, $y);
1802	})->prio (1);	1912	})->prio (1);
1803	}	1913	}
1804		1914
…		…
1808		1918
1809	sub parse_random_map_params {	1919	sub parse_random_map_params {
1810	my ($spec) = @_;	1920	my ($spec) = @_;
1811		1921
1812	my $rmp = { # defaults	1922	my $rmp = { # defaults
1813	xsize => 10,	1923	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	1924	ysize => (cf::rndm 15, 40),
		1925	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1926	#layout => string,
1815	};	1927	};
1816		1928
1817	for (split /\n/, $spec) {	1929	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	1930	my ($k, $v) = split /\s+/, $_, 2;
1819		1931
…		…
1823	$rmp	1935	$rmp
1824	}	1936	}
1825		1937
1826	sub prepare_random_map {	1938	sub prepare_random_map {
1827	my ($exit) = @_;	1939	my ($exit) = @_;
		1940
		1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		1942
1829	# all this does is basically replace the /! path by	1943	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	1944	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	1945	# that depends on the exit object
1832		1946
1833	my $rmp = parse_random_map_params $exit->msg;	1947	my $rmp = parse_random_map_params $exit->msg;
1834		1948
1835	if ($exit->map) {	1949	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	1950	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	1951	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	1952	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	1953	$rmp->{origin_y} = $exit->y;
1840	}	1954	}
1841		1955
1842	$rmp->{random_seed} ||= $exit->random_seed;	1956	$rmp->{random_seed} ||= $exit->random_seed;
1843		1957
1844	my $data = cf::to_json $rmp;	1958	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	1959	my $md5 = Digest::MD5::md5_hex $data;
		1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1846		1961
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	1963	aio_write $fh, 0, (length $data), $data, 0;
		1964	undef $fh;
		1965	aio_rename "$meta~", $meta;
1849		1966
1850	$exit->slaying ("?random/$md5");	1967	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	1968	$exit->msg (undef);
1852	}	1969	}
1853	}	1970	}
1854		1971
1855	sub cf::object::player::enter_exit {	1972	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	1973	my ($self, $exit) = @_;
1857		1974
1858	return unless $self->type == cf::PLAYER;	1975	return unless $self->type == cf::PLAYER;
		1976
		1977	if ($exit->slaying eq "/!") {
		1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1979	# the problem is that $exit might not survive long enough
		1980	# so it needs to be done right now, right here
		1981	cf::sync_job { prepare_random_map $exit };
		1982	}
		1983
		1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1985	my $hp = $exit->stats->hp;
		1986	my $sp = $exit->stats->sp;
1859		1987
1860	$self->enter_link;	1988	$self->enter_link;
1861		1989
1862	(async {	1990	(async {
1863	$self->deactivate_recursive; # just to be sure	1991	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	1992	unless (eval {
1865	prepare_random_map $exit	1993	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		1994
1871	1;	1995	1;
1872	}) {	1996	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	1997	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	1998	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	1999	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2000	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2001
1878	warn "ERROR in enter_exit: $@";	2002	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2003	$self->leave_link;
1880	}	2004	}
1881	})->prio (1);	2005	})->prio (1);
…		…
1894		2018
1895	sub cf::client::send_drawinfo {	2019	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2020	my ($self, $text, $flags) = @_;
1897		2021
1898	utf8::encode $text;	2022	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2024	}
1901		2025
		2026	=item $client->ext_event ($type, %msg)
		2027
		2028	Sends an exti event to the client.
		2029
		2030	=cut
		2031
		2032	sub cf::client::ext_event($$%) {
		2033	my ($self, $type, %msg) = @_;
		2034
		2035	$msg{msgtype} = "event_$type";
		2036	$self->send_packet ("ext " . cf::to_json \%msg);
		2037	}
1902		2038
1903	=item $success = $client->query ($flags, "text", \&cb)	2039	=item $success = $client->query ($flags, "text", \&cb)
1904		2040
1905	Queues a query to the client, calling the given callback with	2041	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1935	# get handled first	2071	# get handled first
1936	my $queue = delete $ns->{query_queue}	2072	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2073	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2074
1939	(shift @$queue)->[1]->($msg);	2075	(shift @$queue)->[1]->($msg);
		2076	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2077
1941	push @{ $ns->{query_queue} }, @$queue;	2078	push @{ $ns->{query_queue} }, @$queue;
1942		2079
1943	if (@{ $ns->{query_queue} } == @$queue) {	2080	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2081	if (@$queue) {
…		…
2002		2139
2003	# here we export the classes and methods available to script code	2140	# here we export the classes and methods available to script code
2004		2141
2005	=pod	2142	=pod
2006		2143
2007	The following fucntions and emthods are available within a safe environment:	2144	The following functions and methods are available within a safe environment:
2008		2145
2009	cf::object contr pay_amount pay_player map	2146	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2147	cf::object::player player
2011	cf::player peaceful	2148	cf::player peaceful
2012	cf::map trigger	2149	cf::map trigger
…		…
2105	The parameter C<$family> should best start with the name of the extension	2242	The parameter C<$family> should best start with the name of the extension
2106	using it, it should be unique.	2243	using it, it should be unique.
2107		2244
2108	=over 4	2245	=over 4
2109		2246
2110	=item $hashref = cf::db_get $family
2111
2112	Return a hashref for use by the extension C<$family>, which can be
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115
2116	=item $value = cf::db_get $family => $key	2247	=item $value = cf::db_get $family => $key
2117		2248
2118	Returns a single value from the database	2249	Returns a single value from the database.
2119
2120	=item cf::db_put $family => $hashref
2121
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124		2250
2125	=item cf::db_put $family => $key => $value	2251	=item cf::db_put $family => $key => $value
2126		2252
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you	2253	Stores the given C<$value> in the family.
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137		2254
2138	=cut	2255	=cut
2139		2256
2140	our $DB;	2257	our $DB;
2141		2258
2142	{	2259	sub db_init {
		2260	unless ($DB) {
		2261	$DB = BDB::db_create $DB_ENV;
		2262
		2263	cf::sync_job {
		2264	eval {
		2265	$DB->set_flags (BDB::CHKSUM);
		2266
		2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2269	cf::cleanup "db_open(db): $!" if $!;
		2270	};
		2271	cf::cleanup "db_open(db): $@" if $@;
		2272	};
		2273
2143	my $path = cf::localdir . "/database.pst";	2274	my $path = cf::localdir . "/database.pst";
		2275	if (stat $path) {
		2276	cf::sync_job {
		2277	my $pst = Storable::retrieve $path;
2144		2278
2145	sub db_load() {	2279	cf::db_put (board => data => $pst->{board});
2146	$DB = stat $path ? Storable::retrieve $path : { };	2280	cf::db_put (guildrules => data => $pst->{guildrules});
2147	}	2281	cf::db_put (rent => balance => $pst->{rent}{balance});
		2282	BDB::db_env_txn_checkpoint $DB_ENV;
2148		2283
2149	my $pid;	2284	unlink $path;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}	2285	};
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});
2171
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {
2178	@_ >= 2
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182
2183	sub db_put($$;$) {
2184	if (@_ >= 3) {
2185	$DB->{$_[0]}{$_[1]} = $_[2];
2186	} else {
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	2286	}
2197	);	2287	}
		2288	}
		2289
		2290	sub db_get($$) {
		2291	my $key = "$_[0]/$_[1]";
		2292
		2293	cf::sync_job {
		2294	BDB::db_get $DB, undef, $key, my $data;
		2295
		2296	$! ? ()
		2297	: Compress::LZF::sthaw $data
		2298	}
		2299	}
		2300
		2301	sub db_put($$$) {
		2302	BDB::dbreq_pri 4;
		2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2198	}	2304	}
2199		2305
2200	#############################################################################	2306	#############################################################################
2201	# the server's main()	2307	# the server's init and main functions
		2308
		2309	sub load_facedata {
		2310	my $path = sprintf "%s/facedata", cf::datadir;
		2311
		2312	warn "loading facedata from $path\n";
		2313
		2314	my $facedata;
		2315	0 < aio_load $path, $facedata
		2316	or die "$path: $!";
		2317
		2318	$facedata = Coro::Storable::thaw $facedata;
		2319
		2320	$facedata->{version} == 2
		2321	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2322
		2323	{
		2324	my $faces = $facedata->{faceinfo};
		2325
		2326	while (my ($face, $info) = each %$faces) {
		2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2331	Coro::cede;
		2332	}
		2333
		2334	while (my ($face, $info) = each %$faces) {
		2335	next unless $info->{smooth};
		2336	my $idx = cf::face::find $face
		2337	or next;
		2338	if (my $smooth = cf::face::find $info->{smooth}) {
		2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2340	} else {
		2341	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2342	}
		2343	Coro::cede;
		2344	}
		2345	}
		2346
		2347	{
		2348	my $anims = $facedata->{animinfo};
		2349
		2350	while (my ($anim, $info) = each %$anims) {
		2351	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2352	Coro::cede;
		2353	}
		2354
		2355	cf::anim::invalidate_all; # d'oh
		2356	}
		2357
		2358	1
		2359	}
		2360
		2361	sub reload_resources {
		2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2363	or die "unable to load regions file\n";#d#
		2364	load_facedata
		2365	or die "unable to load facedata\n";#d#
		2366	}
		2367
		2368	sub init {
		2369	reload_resources;
		2370	}
2202		2371
2203	sub cfg_load {	2372	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2373	open my $fh, "<:utf8", cf::confdir . "/config"
2205	or return;	2374	or return;
2206		2375
…		…
2223		2392
2224	sub main {	2393	sub main {
2225	# we must not ever block the main coroutine	2394	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2395	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2397	(async {
2228	async { Event::one_event };	2398	Event::one_event;
		2399	})->prio (Coro::PRIO_MAX);
2229	};	2400	};
2230		2401
2231	cfg_load;	2402	cfg_load;
2232	db_load;	2403	db_init;
2233	load_extensions;	2404	load_extensions;
		2405
		2406	$TICK_WATCHER->start;
2234	Event::loop;	2407	Event::loop;
2235	}	2408	}
2236		2409
2237	#############################################################################	2410	#############################################################################
2238	# initialisation and cleanup	2411	# initialisation and cleanup
2239		2412
2240	# install some emergency cleanup handlers	2413	# install some emergency cleanup handlers
2241	BEGIN {	2414	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2415	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2416	Event->signal (
		2417	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2418	data => WF_AUTOCANCEL,
2245	signal => $signal,	2419	signal => $signal,
		2420	prio => 0,
2246	cb => sub {	2421	cb => sub {
2247	cf::cleanup "SIG$signal";	2422	cf::cleanup "SIG$signal";
2248	},	2423	},
2249	);	2424	);
2250	}	2425	}
2251	}	2426	}
…		…
2256	warn "enter emergency perl save\n";	2431	warn "enter emergency perl save\n";
2257		2432
2258	cf::sync_job {	2433	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2434	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2435	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2436	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2437	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2438	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2439	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2440	$pl->valid or next;
2266	$pl->save;	2441	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2447	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2448	$map->valid or next;
2274	$map->save;	2449	$map->save;
2275	}	2450	}
2276	warn "end emergency map save\n";	2451	warn "end emergency map save\n";
		2452
		2453	warn "begin emergency database checkpoint\n";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455	warn "end emergency database checkpoint\n";
2277	};	2456	};
2278		2457
2279	warn "leave emergency perl save\n";	2458	warn "leave emergency perl save\n";
		2459	}
		2460
		2461	sub post_cleanup {
		2462	my ($make_core) = @_;
		2463
		2464	warn Carp::longmess "post_cleanup backtrace"
		2465	if $make_core;
2280	}	2466	}
2281		2467
2282	sub reload() {	2468	sub reload() {
2283	# can/must only be called in main	2469	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2470	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2471	warn "can only reload from main coroutine";
2286	return;	2472	return;
2287	}	2473	}
2288		2474
2289	warn "reloading...";	2475	warn "reloading...";
2290		2476
2291	warn "freezing server";	2477	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2478
		2479	cf::sync_job {
		2480	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2481	cf::emergency_save;
		2482	cf::write_runtime; # external watchdog should not bark
2294		2483
2295	warn "sync database to disk";	2484	warn "syncing database to disk";
2296	cf::db_sync;	2485	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2486
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2487	# if anything goes wrong in here, we should simply crash as we already saved
2301		2488
2302	warn "cancel all watchers";	2489	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2490	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2492	}
2306		2493
		2494	warn "flushing outstanding aio requests";
		2495	for (;;) {
		2496	BDB::flush;
		2497	IO::AIO::flush;
		2498	Coro::cede;
		2499	last unless IO::AIO::nreqs || BDB::nreqs;
		2500	warn "iterate...";
		2501	}
		2502
		2503	++$RELOAD;
		2504
2307	warn "cancel all extension coros";	2505	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2506	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2507	%EXT_CORO = ();
2310		2508
2311	warn "remove commands";	2509	warn "removing commands";
2312	%COMMAND = ();	2510	%COMMAND = ();
2313		2511
2314	warn "remove ext commands";	2512	warn "removing ext commands";
2315	%EXTCMD = ();	2513	%EXTCMD = ();
2316		2514
2317	warn "unload/nuke all extensions";	2515	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2516	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	2517	warn "... unloading $pkg";
2320		2518
2321	if (my $cb = $pkg->can ("unload")) {	2519	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2520	eval {
2323	$cb->($pkg);	2521	$cb->($pkg);
2324	1	2522	1
2325	} or warn "$pkg unloaded, but with errors: $@";	2523	} or warn "$pkg unloaded, but with errors: $@";
2326	}	2524	}
2327		2525
		2526	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	2527	Symbol::delete_package $pkg;
2329	}	2528	}
2330		2529
2331	warn "unload all perl modules loaded from $LIBDIR";	2530	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	2531	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		2533
2335	warn "removing <$k>";	2534	warn "... unloading $k";
2336	delete $INC{$k};	2535	delete $INC{$k};
2337		2536
2338	$k =~ s/\.pm$//;	2537	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	2538	$k =~ s/\//::/g;
2340		2539
…		…
2343	}	2542	}
2344		2543
2345	Symbol::delete_package $k;	2544	Symbol::delete_package $k;
2346	}	2545	}
2347		2546
2348	warn "get rid of safe::, as good as possible";	2547	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	2548	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		2550
2352	warn "unload cf.pm \"a bit\"";	2551	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	2552	delete $INC{"cf.pm"};
2354		2553
2355	# don't, removes xs symbols, too,	2554	# don't, removes xs symbols, too,
2356	# and global variables created in xs	2555	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	2556	#Symbol::delete_package __PACKAGE__;
2358		2557
		2558	warn "unload completed, starting to reload now";
		2559
2359	warn "reloading cf.pm";	2560	warn "reloading cf.pm";
2360	require cf;	2561	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		2563
2363	warn "load config and database again";	2564	warn "loading config and database again";
2364	cf::cfg_load;	2565	cf::cfg_load;
2365	cf::db_load;
2366		2566
2367	warn "load extensions";	2567	warn "loading extensions";
2368	cf::load_extensions;	2568	cf::load_extensions;
2369		2569
2370	warn "reattach attachments to objects/players";	2570	warn "reattaching attachments to objects/players";
2371	_global_reattach;	2571	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	2572	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	2573	reattach $_ for values %MAP;
2374	};	2574	warn "reattaching attachments to players";
		2575	reattach $_ for values %PLAYER;
2375		2576
2376	if ($@) {	2577	warn "loading reloadable resources";
		2578	reload_resources;
		2579
		2580	warn "leaving sync_job";
		2581
		2582	1
		2583	} or do {
2377	warn $@;	2584	warn $@;
2378	warn "error while reloading, exiting.";	2585	warn "error while reloading, exiting.";
2379	exit 1;	2586	exit 1;
2380	}	2587	};
2381		2588
2382	warn "reloaded";	2589	warn "reloaded";
2383	};	2590	};
2384		2591
2385	#############################################################################	2592	our $RELOAD_WATCHER; # used only during reload
2386
2387	unless ($LINK_MAP) {
2388	$LINK_MAP = cf::map::new;
2389
2390	$LINK_MAP->width (41);
2391	$LINK_MAP->height (41);
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,
2400	cb => sub {
2401	$_[0]->w->cancel;
2402
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});
2421
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}
2427		2593
2428	register_command "reload" => sub {	2594	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	2595	my ($who, $arg) = @_;
2430		2596
2431	if ($who->flag (FLAG_WIZ)) {	2597	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");	2598	$who->message ("reloading server.");
		2599
		2600	# doing reload synchronously and two reloads happen back-to-back,
		2601	# coro crashes during coro_state_free->destroy here.
		2602
		2603	$RELOAD_WATCHER ||= Event->timer (
		2604	reentrant => 0,
		2605	after => 0,
		2606	data => WF_AUTOCANCEL,
		2607	cb => sub {
2433	reload;	2608	reload;
2434	$who->message ("end of reload.");	2609	undef $RELOAD_WATCHER;
		2610	},
		2611	);
2435	}	2612	}
2436	};	2613	};
2437		2614
2438	unshift @INC, $LIBDIR;	2615	unshift @INC, $LIBDIR;
		2616
		2617	my $bug_warning = 0;
2439		2618
2440	$TICK_WATCHER = Event->timer (	2619	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	2620	reentrant => 0,
		2621	parked => 1,
2442	prio => 0,	2622	prio => 0,
2443	at => $NEXT_TICK || $TICK,	2623	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	2624	data => WF_AUTOCANCEL,
2445	cb => sub {	2625	cb => sub {
		2626	if ($Coro::current != $Coro::main) {
		2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2628	unless ++$bug_warning > 10;
		2629	return;
		2630	}
		2631
		2632	$NOW = Event::time;
		2633
2446	cf::server_tick; # one server iteration	2634	cf::server_tick; # one server iteration
2447	$RUNTIME += $TICK;	2635	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	2636	$NEXT_TICK += $TICK;
2449		2637
		2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2639	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2640	Coro::async_pool {
		2641	write_runtime
		2642	or warn "ERROR: unable to write runtime file: $!";
		2643	};
		2644	}
		2645
2450	$WAIT_FOR_TICK->broadcast;	2646	$WAIT_FOR_TICK->broadcast;
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2648
		2649	# my $AFTER = Event::time;
		2650	# warn $AFTER - $NOW;#d#
2452		2651
2453	# if we are delayed by four ticks or more, skip them all	2652	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2455		2654
2456	$TICK_WATCHER->at ($NEXT_TICK);	2655	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	2656	$TICK_WATCHER->start;
2458	},	2657	},
2459	);	2658	);
2460		2659
		2660	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	2661	BDB::max_poll_time $TICK * 0.1;
2462		2662	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	2663	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	2664	fd => BDB::poll_fileno,
2465	poll => 'r',	2665	poll => 'r',
2466	prio => 5,	2666	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	2667	data => WF_AUTOCANCEL,
2473	after => 0,	2668	cb => \&BDB::poll_cb,
2474	interval => 10,	2669	);
2475	cb => sub {	2670	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	2671
2477	write_runtime	2672	BDB::set_sync_prepare {
2478	or warn "ERROR: unable to write runtime file: $!";	2673	my $status;
		2674	my $current = $Coro::current;
		2675	(
		2676	sub {
		2677	$status = $!;
		2678	$current->ready; undef $current;
		2679	},
		2680	sub {
		2681	Coro::schedule while defined $current;
		2682	$! = $status;
		2683	},
		2684	)
		2685	};
		2686
		2687	unless ($DB_ENV) {
		2688	$DB_ENV = BDB::db_env_create;
		2689
		2690	cf::sync_job {
		2691	eval {
		2692	BDB::db_env_open
		2693	$DB_ENV,
		2694	$BDB_ENV_DIR,
		2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2697	0666;
		2698
		2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2700
		2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2702	$DB_ENV->set_lk_detect;
		2703	};
		2704
		2705	cf::cleanup "db_env_open(db): $@" if $@;
2479	})->();	2706	};
2480	},	2707	}
2481	);	2708	}
		2709
		2710	{
		2711	IO::AIO::min_parallel 8;
		2712
		2713	undef $Coro::AIO::WATCHER;
		2714	IO::AIO::max_poll_time $TICK * 0.1;
		2715	$AIO_POLL_WATCHER = Event->io (
		2716	reentrant => 0,
		2717	data => WF_AUTOCANCEL,
		2718	fd => IO::AIO::poll_fileno,
		2719	poll => 'r',
		2720	prio => 6,
		2721	cb => \&IO::AIO::poll_cb,
		2722	);
		2723	}
2482		2724
2483	END { cf::emergency_save }	2725	END { cf::emergency_save }
2484		2726
2485	1	2727	1
2486		2728

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