ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 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
		51	our %EXT_MAP = (); # pluggable maps
42		52
		53	our $RELOAD; # number of reloads so far
43	our @EVENT;	54	our @EVENT;
44	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
45		56
46	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
47	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	61	our $NEXT_TICK;
49	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
50		67
51	our %CFG;	68	our %CFG;
52		69
53	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	71	our $RUNTIME;
55		72
56	our %PLAYER; # all users	73	our %PLAYER; # all users
57	our %MAP; # all maps	74	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
		77	our $BDB_ENV_DIR = cf::localdir . "/db";
60		78
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
63		84
64	binmode STDOUT;	85	binmode STDOUT;
65	binmode STDERR;	86	binmode STDERR;
66		87
67	# read virtual server time, if available	88	# read virtual server time, if available
…		…
74	mkdir cf::localdir;	95	mkdir cf::localdir;
75	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
76	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
79		101
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
83		105
84	#############################################################################	106	#############################################################################
85		107
86	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
87		109
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	209	$d
188	} || "[unable to dump $_[0]: '$@']";	210	} || "[unable to dump $_[0]: '$@']";
189	}	211	}
190		212
191	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
192		214
193	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
194		216
195	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
196		218
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
205		220
206	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
207
208	=cut
209
210	sub to_json($) {
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
212	JSON::Syck::Dump $_[0]
213	}
214		222
215	=item cf::lock_wait $string	223	=item cf::lock_wait $string
216		224
217	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
218		226
…		…
255	}	263	}
256		264
257	sub freeze_mainloop {	265	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
259		267
260	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
261	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
262	$guard	272	$guard
263	}	273	}
264		274
265	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
336		346
337	$coro	347	$coro
338	}	348	}
339		349
340	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
341	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
342		354
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
344	or return;	356	or return;
345		357
		358	my $value = $cf::RUNTIME + 90 + 10;
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;	363	and return;
349		364
		365	# always fsync - this file is important
350	aio_fsync $fh	366	aio_fsync $fh
351	and return;	367	and return;
352		368
353	close $fh	369	close $fh
354	or return;	370	or return;
…		…
357	and return;	373	and return;
358		374
359	1	375	1
360	}	376	}
361		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
362	=back	389	=back
363		390
364	=cut	391	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		392
493	#############################################################################	393	#############################################################################
494		394
495	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
496		396
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	523	our @CB_MAP = ();
624		524
625	my %attachment;	525	my %attachment;
626		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
627	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
629		535
630	use sort 'stable';	536	use sort 'stable';
631		537
…		…
802	# object support	708	# object support
803		709
804	sub reattach {	710	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		715
808	my $registry = $obj->registry;	716	my $registry = $obj->registry;
809		717
810	@$registry = ();	718	@$registry = ();
811		719
…		…
858	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
859		767
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	772	close $fh;
865		773
866	if (@$objs) {	774	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	780	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
874	}	782	}
875	} else {	783	} else {
876	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
987	my $base = $1;	895	my $base = $1;
988	my $pkg = $1;	896	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
991		899
992	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
993		901
994	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
995	or die "$path: $!";	903	or die "$path: $!";
996		904
997	my $source =	905	my $source =
998	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
1001	. "\n};\n1";	909	. "\n};\n1";
1002		910
1003	eval $source	911	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	913	: "extension disabled.\n";
		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		915	warn $@;
		916	warn "mandatory extension failed to load, exiting.\n";
		917	exit 1;
		918	}
		919	die $@;
		920	}
1006		921
1007	push @EXTS, $pkg;	922	push @EXTS, $pkg;
1008	}	923	}
1009		924
1010	sub load_extensions {	925	sub load_extensions {
…		…
1016	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1017	}	932	}
1018	}	933	}
1019		934
1020	#############################################################################	935	#############################################################################
1021	# load/save/clean perl data associated with a map
1022
1023	*cf::mapsupport::on_clean = sub {
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		936
1036	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1037		938
1038	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1039		940
…		…
1075		976
1076	sub exists($) {	977	sub exists($) {
1077	my ($login) = @_;	978	my ($login) = @_;
1078		979
1079	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1081	}	982	}
1082		983
1083	sub find($) {	984	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	986	my $login = $_[0];
…		…
1131		1032
1132	=cut	1033	=cut
1133		1034
1134	sub quit_character {	1035	sub quit_character {
1135	my ($pl) = @_;	1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
1136		1039
1137	$pl->{deny_save} = 1;	1040	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1042
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1048	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1049	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1050	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1051	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
1150	IO::AIO::aio_rmtree $temp;	1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
1151	}	1074	}
1152		1075
1153	=item cf::player::list_logins	1076	=item cf::player::list_logins
1154		1077
1155	Returns am arrayref of all valid playernames in the system, can take a	1078	Returns am arrayref of all valid playernames in the system, can take a
…		…
1175	\@logins	1098	\@logins
1176	}	1099	}
1177		1100
1178	=item $player->maps	1101	=item $player->maps
1179		1102
1180	Returns an arrayref of cf::path's of all maps that are private for this	1103	Returns an arrayref of map paths that are private for this
1181	player. May block.	1104	player. May block.
1182		1105
1183	=cut	1106	=cut
1184		1107
1185	sub maps($) {	1108	sub maps($) {
1186	my ($pl) = @_;	1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1112
1188	my $files = aio_readdir playerdir $pl	1113	my $files = aio_readdir playerdir $pl
1189	or return;	1114	or return;
1190		1115
1191	my @paths;	1116	my @paths;
…		…
1193	for (@$files) {	1118	for (@$files) {
1194	utf8::decode $_;	1119	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1120	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1121	next unless /^$PATH_SEP/o;
1197		1122
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1123	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1124	}
1200		1125
1201	\@paths	1126	\@paths
1202	}	1127	}
1203		1128
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1205		1130
1206	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1207		1132
1208	=cut	1133	=cut
1209		1134
1210	sub ext_reply($$$%) {	1135	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1212		1137
1213	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
		1139
		1140	$self->send ("ext " . cf::to_json \%msg);
		1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	delete $msg{msgid};
		1153	$msg{msgtype} = "event";
		1154	$msg{eventtype} = $type;
1214		1155
1215	$self->send ("ext " . cf::to_json \%msg);	1156	$self->send ("ext " . cf::to_json \%msg);
1216	}	1157	}
1217		1158
1218	package cf;	1159	package cf;
…		…
1229	package cf::map;	1170	package cf::map;
1230		1171
1231	use Fcntl;	1172	use Fcntl;
1232	use Coro::AIO;	1173	use Coro::AIO;
1233		1174
		1175	use overload
		1176	'""' => \&as_string,
		1177	fallback => 1;
		1178
1234	our $MAX_RESET = 3600;	1179	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1180	our $DEFAULT_RESET = 3000;
1236		1181
1237	sub generate_random_map {	1182	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1183	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1184	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1185	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1189	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1190	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1191	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1192	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1193	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$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},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1195	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(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
1254	}	1327	}
1255		1328
1256	# and all this just because we cannot iterate over	1329	# and all this just because we cannot iterate over
1257	# all maps in C++...	1330	# all maps in C++...
1258	sub change_all_map_light {	1331	sub change_all_map_light {
…		…
1260		1333
1261	$_->change_map_light ($change)	1334	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1335	for grep $_->outdoor, values %cf::MAP;
1263	}	1336	}
1264		1337
		1338	sub unlink_save {
		1339	my ($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
1265	sub try_load_header($) {	1346	sub load_header_from($) {
1266	my ($path) = @_;	1347	my ($self, $path) = @_;
1267		1348
1268	utf8::encode $path;	1349	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1350	#aio_open $path, O_RDONLY, 0
		1351	# or return;
		1352
		1353	$self->_load_header ($path)
1270	or return;	1354	or return;
1271		1355
1272	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
1273	or return;	1399	or return;
		1400	$self->prepare_orig;
		1401	}
1274		1402
1275	# for better error messages only, will be overwritten	1403	1
1276	$map->path ($path);
1277
1278	$map->load_header ($path)
1279	or return;
1280
1281	$map->{load_path} = $path;
1282
1283	$map
1284	}	1404	}
1285		1405
1286	sub find;	1406	sub find;
1287	sub find {	1407	sub find {
1288	my ($path, $origin) = @_;	1408	my ($path, $origin) = @_;
1289		1409
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1410	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1411
1295	cf::lock_wait "map_find:$key";	1412	cf::lock_wait "map_find:$path";
1296		1413
1297	$cf::MAP{$key} || do {	1414	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1415	my $guard = cf::lock_acquire "map_find:$path";
1299		1416	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;	1417	or return;
1319		1418
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;	1419	$map->{last_save} = $cf::RUNTIME;
1332		1420
1333	Coro::cede;	1421	$map->load_header
		1422	or return;
1334		1423
1335	if ($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;
1336	$map->reset;	1427	$map->reset;
1337	undef $guard;	1428	undef $guard;
1338	$map = find $path	1429	return find $path;
1339	or return;
1340	}	1430	}
1341		1431
1342	$cf::MAP{$key} = $map	1432	$cf::MAP{$path} = $map
1343	}	1433	}
1344	}	1434	}
		1435
		1436	sub pre_load { }
		1437	sub post_load { }
1345		1438
1346	sub load {	1439	sub load {
1347	my ($self) = @_;	1440	my ($self) = @_;
1348		1441
		1442	local $self->{deny_reset} = 1; # loading can take a long time
		1443
1349	my $path = $self->{path};	1444	my $path = $self->{path};
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1445	my $guard = cf::lock_acquire "map_load:$path";
1351		1446
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1447	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1448
1354	$self->in_memory (cf::MAP_LOADING);	1449	$self->in_memory (cf::MAP_LOADING);
1355		1450
1356	$self->alloc;	1451	$self->alloc;
		1452
		1453	$self->pre_load;
		1454
1357	$self->load_objects ($self->{load_path}, 1)	1455	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1456	or return;
1359		1457
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1459	if delete $self->{load_original};
1362		1460
1363	if (my $uniq = $path->uniq_path) {	1461	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1462	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1463	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1464	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1465	$self->_load_objects ($uniq, 0);
1368	}	1466	}
1369	}	1467	}
1370		1468
1371	Coro::cede;	1469	Coro::cede;
1372		1470
1373	# now do the right thing for maps	1471	# now do the right thing for maps
1374	$self->link_multipart_objects;	1472	$self->link_multipart_objects;
1375		1473
1376	if ($self->{path}->is_style_map) {	1474	unless ($self->{deny_activate}) {
1377	$self->{deny_save} = 1;	1475	$self->decay_objects;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;	1476	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;	1477	$self->update_buttons;
		1478	Coro::cede;
1383	$self->set_darkness_map;	1479	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1480	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1481	unless $self->difficulty;
		1482	Coro::cede;
1386	$self->activate;	1483	$self->activate;
1387	}	1484	}
1388		1485
1389	Coro::cede;	1486	$self->post_load;
1390		1487
1391	$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	$self
1392	}	1498	}
1393		1499
1394	# find and load all maps in the 3x3 area around a map	1500	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1501	sub load_diag {
1396	my ($map) = @_;	1502	my ($map) = @_;
…		…
1426		1532
1427	cf::sync_job { $map->load };	1533	cf::sync_job { $map->load };
1428	}	1534	}
1429		1535
1430	our %MAP_PREFETCH;	1536	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1537	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	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1538
1446	sub find_async {	1539	sub find_async {
1447	my ($path, $origin) = @_;	1540	my ($path, $origin) = @_;
1448		1541
1449	$path = new cf::path $path, $origin && $origin->path;	1542	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1543
1452	if (my $map = $cf::MAP{$key}) {	1544	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1546	}
1455		1547
1456	$MAP_PREFETCH{$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	};
1457	$MAP_PREFETCHER->ready;	1561	$MAP_PREFETCHER->prio (6);
1458		1562
1459	()	1563	()
1460	}	1564	}
1461		1565
1462	sub save {	1566	sub save {
…		…
1466		1570
1467	$self->{last_save} = $cf::RUNTIME;	1571	$self->{last_save} = $cf::RUNTIME;
1468		1572
1469	return unless $self->dirty;	1573	return unless $self->dirty;
1470		1574
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1575	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1576	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1577
1474	$self->{load_path} = $save;	1578	$self->{load_path} = $save;
1475		1579
1476	return if $self->{deny_save};	1580	return if $self->{deny_save};
1477		1581
…		…
1480	cf::async {	1584	cf::async {
1481	$_->contr->save for $self->players;	1585	$_->contr->save for $self->players;
1482	};	1586	};
1483		1587
1484	if ($uniq) {	1588	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1591	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1593	}
1490	}	1594	}
1491		1595
1492	sub swap_out {	1596	sub swap_out {
1493	my ($self) = @_;	1597	my ($self) = @_;
…		…
1507		1611
1508	sub reset_at {	1612	sub reset_at {
1509	my ($self) = @_;	1613	my ($self) = @_;
1510		1614
1511	# TODO: safety, remove and allow resettable per-player maps	1615	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};	1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1513	return 1e99 if $self->{deny_reset};	1617	return 1e99 if $self->{deny_reset};
1514		1618
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1621
…		…
1522	my ($self) = @_;	1626	my ($self) = @_;
1523		1627
1524	$self->reset_at <= $cf::RUNTIME	1628	$self->reset_at <= $cf::RUNTIME
1525	}	1629	}
1526		1630
1527	sub unlink_save {
1528	my ($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	$self->save;
1546	}
1547
1548	sub reset {	1631	sub reset {
1549	my ($self) = @_;	1632	my ($self) = @_;
1550		1633
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1634	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1635
1553	return if $self->players;	1636	return if $self->players;
1554	return if $self->{path}{user_rel};#d#	1637	return if $self->isa ("ext::map_per_player");#d#
1555		1638
1556	warn "resetting map ", $self->path;#d#	1639	warn "resetting map ", $self->path;#d#
1557		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
1558	delete $cf::MAP{$self->path};	1651	delete $cf::MAP{$self->path};
		1652
		1653	$self->clear;
1559		1654
1560	$_->clear_links_to ($self) for values %cf::MAP;	1655	$_->clear_links_to ($self) for values %cf::MAP;
1561		1656
1562	$self->unlink_save;	1657	$self->unlink_save;
1563	$self->destroy;	1658	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	1661	my $nuke_counter = "aaaa";
1567		1662
1568	sub nuke {	1663	sub nuke {
1569	my ($self) = @_;	1664	my ($self) = @_;
1570		1665
		1666	delete $cf::MAP{$self->path};
		1667
		1668	$self->unlink_save;
		1669
		1670	bless $self, "cf::map";
		1671	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	1672	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	1673	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1675
		1676	$cf::MAP{$self->path} = $self;
		1677
1574	$self->reset; # polite request, might not happen	1678	$self->reset; # polite request, might not happen
1575	}	1679	}
1576		1680
1577	sub customise_for {
1578	my ($map, $ob) = @_;
1579
1580	if ($map->per_player) {
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1582	}
1583
1584	$map
1585	}
1586
1587	=item cf::map::unique_maps	1681	=item cf::map::unique_maps
1588		1682
1589	Returns an arrayref of cf::path's of all shared maps that have	1683	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	1684	instantiated unique items. May block.
1591		1685
1592	=cut	1686	=cut
1593		1687
1594	sub unique_maps() {	1688	sub unique_maps() {
…		…
1600	for (@$files) {	1694	for (@$files) {
1601	utf8::decode $_;	1695	utf8::decode $_;
1602	next if /\.pst$/;	1696	next if /\.pst$/;
1603	next unless /^$PATH_SEP/o;	1697	next unless /^$PATH_SEP/o;
1604		1698
1605	push @paths, new cf::path $_;	1699	push @paths, cf::map::normalise $_;
1606	}	1700	}
1607		1701
1608	\@paths	1702	\@paths
1609	}	1703	}
1610		1704
…		…
1685		1779
1686	=item $player_object->enter_link	1780	=item $player_object->enter_link
1687		1781
1688	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}>).
1689		1783
1690	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
1691	I<MUST> call C<leave_link> as soon as possible, though.	1785	I<MUST> call C<leave_link> as soon as possible, though.
1692		1786
		1787	Will never block.
		1788
1693	=item $player_object->leave_link ($map, $x, $y)	1789	=item $player_object->leave_link ($map, $x, $y)
1694		1790
1695	Moves the player out of the specila link map onto the given map. If the	1791	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	1792	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	1793	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	1794	fails, to the emergency map position.
1699		1795
1700	Might block.	1796	Might block.
1701		1797
1702	=cut	1798	=cut
		1799
		1800	sub link_map {
		1801	unless ($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	$LINK_MAP
		1808	}
1703		1809
1704	sub cf::object::player::enter_link {	1810	sub cf::object::player::enter_link {
1705	my ($self) = @_;	1811	my ($self) = @_;
1706		1812
1707	$self->deactivate_recursive;	1813	$self->deactivate_recursive;
1708		1814
1709	return if $self->map == $LINK_MAP;	1815	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		1816
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	1818	if $self->map;
1713		1819
1714	$self->enter_map ($LINK_MAP, 20, 20);	1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	1821	}
1716		1822
1717	sub cf::object::player::leave_link {	1823	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	1824	my ($self, $map, $x, $y) = @_;
1719		1825
…		…
1741	$map->load;	1847	$map->load;
1742	$map->load_diag;	1848	$map->load_diag;
1743		1849
1744	return unless $self->contr->active;	1850	return unless $self->contr->active;
1745	$self->activate_recursive;	1851	$self->activate_recursive;
		1852
		1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	1854	$self->enter_map ($map, $x, $y);
1747	}	1855	}
1748		1856
1749	cf::player->attach (	1857	cf::player->attach (
1750	on_logout => sub {	1858	on_logout => sub {
…		…
1763	# try to abort aborted map switching on player login :)	1871	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes	1872	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {	1873	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;	1874	$pl->ob->enter_link;
1767	(async {	1875	(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,	1876	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "	1877	"There was an internal problem at your last logout, "
1772	. "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.",
1773	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
1774	Coro::Timer::sleep 1;	1882	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;	1883	$pl->ob->leave_link;
1776	})->prio (2);	1884	})->prio (2);
1777	}	1885	}
1778	},	1886	},
…		…
1783	=cut	1891	=cut
1784		1892
1785	sub cf::object::player::goto {	1893	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	1894	my ($self, $path, $x, $y) = @_;
1787		1895
1788	$path = new cf::path $path;
1789
1790	$self->enter_link;	1896	$self->enter_link;
1791		1897
1792	(async {	1898	(async {
		1899	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	1900	my $map = cf::map::find $path;
1794	$map = $map->customise_for ($self) if $map;	1901	$map = $map->customise_for ($self) if $map;
1795		1902	$map
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	1903	} or
1797	# if $map;
1798
1799	$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);
1800		1905
1801	$self->leave_link ($map, $x, $y);	1906	$self->leave_link ($map, $x, $y);
1802	})->prio (1);	1907	})->prio (1);
1803	}	1908	}
1804		1909
…		…
1808		1913
1809	sub parse_random_map_params {	1914	sub parse_random_map_params {
1810	my ($spec) = @_;	1915	my ($spec) = @_;
1811		1916
1812	my $rmp = { # defaults	1917	my $rmp = { # defaults
1813	xsize => 10,	1918	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	1919	ysize => (cf::rndm 15, 40),
		1920	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1921	#layout => string,
1815	};	1922	};
1816		1923
1817	for (split /\n/, $spec) {	1924	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	1925	my ($k, $v) = split /\s+/, $_, 2;
1819		1926
…		…
1823	$rmp	1930	$rmp
1824	}	1931	}
1825		1932
1826	sub prepare_random_map {	1933	sub prepare_random_map {
1827	my ($exit) = @_;	1934	my ($exit) = @_;
		1935
		1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		1937
1829	# all this does is basically replace the /! path by	1938	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	1939	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	1940	# that depends on the exit object
1832		1941
1833	my $rmp = parse_random_map_params $exit->msg;	1942	my $rmp = parse_random_map_params $exit->msg;
1834		1943
1835	if ($exit->map) {	1944	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	1945	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	1946	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	1947	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	1948	$rmp->{origin_y} = $exit->y;
1840	}	1949	}
1841		1950
1842	$rmp->{random_seed} ||= $exit->random_seed;	1951	$rmp->{random_seed} ||= $exit->random_seed;
1843		1952
1844	my $data = cf::to_json $rmp;	1953	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	1954	my $md5 = Digest::MD5::md5_hex $data;
		1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1846		1956
1847	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) {
1848	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;
1849		1961
1850	$exit->slaying ("?random/$md5");	1962	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	1963	$exit->msg (undef);
1852	}	1964	}
1853	}	1965	}
1854		1966
1855	sub cf::object::player::enter_exit {	1967	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	1968	my ($self, $exit) = @_;
1857		1969
1858	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;
1859		1980
1860	$self->enter_link;	1981	$self->enter_link;
1861		1982
1862	(async {	1983	(async {
1863	$self->deactivate_recursive; # just to be sure	1984	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	1985	unless (eval {
1865	prepare_random_map $exit	1986	$self->goto ($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		1987
1871	1;	1988	1;
1872	}) {	1989	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	1990	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	1991	. "I'll try to bring you back to the map you were before. "
…		…
1894		2011
1895	sub cf::client::send_drawinfo {	2012	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2013	my ($self, $text, $flags) = @_;
1897		2014
1898	utf8::encode $text;	2015	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2017	}
1901		2018
1902		2019
1903	=item $success = $client->query ($flags, "text", \&cb)	2020	=item $success = $client->query ($flags, "text", \&cb)
1904		2021
…		…
1935	# get handled first	2052	# get handled first
1936	my $queue = delete $ns->{query_queue}	2053	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2054	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2055
1939	(shift @$queue)->[1]->($msg);	2056	(shift @$queue)->[1]->($msg);
		2057	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2058
1941	push @{ $ns->{query_queue} }, @$queue;	2059	push @{ $ns->{query_queue} }, @$queue;
1942		2060
1943	if (@{ $ns->{query_queue} } == @$queue) {	2061	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2062	if (@$queue) {
…		…
2002		2120
2003	# here we export the classes and methods available to script code	2121	# here we export the classes and methods available to script code
2004		2122
2005	=pod	2123	=pod
2006		2124
2007	The following fucntions and emthods are available within a safe environment:	2125	The following functions and methods are available within a safe environment:
2008		2126
2009	cf::object contr pay_amount pay_player map	2127	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2128	cf::object::player player
2011	cf::player peaceful	2129	cf::player peaceful
2012	cf::map trigger	2130	cf::map trigger
…		…
2105	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
2106	using it, it should be unique.	2224	using it, it should be unique.
2107		2225
2108	=over 4	2226	=over 4
2109		2227
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	2228	=item $value = cf::db_get $family => $key
2117		2229
2118	Returns a single value from the database	2230	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		2231
2125	=item cf::db_put $family => $key => $value	2232	=item cf::db_put $family => $key => $value
2126		2233
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you	2234	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		2235
2138	=cut	2236	=cut
2139		2237
2140	our $DB;	2238	our $DB;
2141		2239
2142	{	2240	sub db_init {
		2241	unless ($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
2143	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;
2144		2259
2145	sub db_load() {	2260	cf::db_put (board => data => $pst->{board});
2146	$DB = stat $path ? Storable::retrieve $path : { };	2261	cf::db_put (guildrules => data => $pst->{guildrules});
2147	}	2262	cf::db_put (rent => balance => $pst->{rent}{balance});
		2263	BDB::db_env_txn_checkpoint $DB_ENV;
2148		2264
2149	my $pid;	2265	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	}	2266	};
2159	}	2267	}
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	});	2268	}
		2269	}
2171		2270
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {	2271	sub db_get($$) {
2178	@_ >= 2	2272	my $key = "$_[0]/$_[1]";
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		2273
		2274	cf::sync_job {
		2275	BDB::db_get $DB, undef, $key, my $data;
		2276
		2277	$! ? ()
		2278	: Compress::LZF::sthaw $data
		2279	}
		2280	}
		2281
2183	sub db_put($$;$) {	2282	sub db_put($$$) {
2184	if (@_ >= 3) {	2283	BDB::dbreq_pri 4;
2185	$DB->{$_[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;
2186	} else {	2321	} else {
2187	$DB->{$_[0]} = $_[1];	2322	warn "smooth face '$info->{smooth}' not found for face '$face'";
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	2323	}
2197	);	2324	Coro::cede;
2198	}	2325	}
2199		2326
2200	#############################################################################	2327	1
2201	# 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	}
2202		2340
2203	sub cfg_load {	2341	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2342	open my $fh, "<:utf8", cf::confdir . "/config"
2205	or return;	2343	or return;
2206		2344
…		…
2223		2361
2224	sub main {	2362	sub main {
2225	# we must not ever block the main coroutine	2363	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2364	local $Coro::idle = sub {
2227	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 {
2228	async { Event::one_event };	2367	Event::one_event;
		2368	})->prio (Coro::PRIO_MAX);
2229	};	2369	};
2230		2370
2231	cfg_load;	2371	cfg_load;
2232	db_load;	2372	db_init;
2233	load_extensions;	2373	load_extensions;
		2374
		2375	$TICK_WATCHER->start;
2234	Event::loop;	2376	Event::loop;
2235	}	2377	}
2236		2378
2237	#############################################################################	2379	#############################################################################
2238	# initialisation and cleanup	2380	# initialisation and cleanup
2239		2381
2240	# install some emergency cleanup handlers	2382	# install some emergency cleanup handlers
2241	BEGIN {	2383	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2384	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2385	Event->signal (
		2386	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2387	data => WF_AUTOCANCEL,
2245	signal => $signal,	2388	signal => $signal,
		2389	prio => 0,
2246	cb => sub {	2390	cb => sub {
2247	cf::cleanup "SIG$signal";	2391	cf::cleanup "SIG$signal";
2248	},	2392	},
2249	);	2393	);
2250	}	2394	}
2251	}	2395	}
…		…
2256	warn "enter emergency perl save\n";	2400	warn "enter emergency perl save\n";
2257		2401
2258	cf::sync_job {	2402	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2403	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2404	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2405	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2406	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2407	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2408	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2409	$pl->valid or next;
2266	$pl->save;	2410	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2416	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2417	$map->valid or next;
2274	$map->save;	2418	$map->save;
2275	}	2419	}
2276	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 $DB_ENV;
		2424	warn "end emergency database checkpoint\n";
2277	};	2425	};
2278		2426
2279	warn "leave emergency perl save\n";	2427	warn "leave emergency perl save\n";
		2428	}
		2429
		2430	sub post_cleanup {
		2431	my ($make_core) = @_;
		2432
		2433	warn Carp::longmess "post_cleanup backtrace"
		2434	if $make_core;
2280	}	2435	}
2281		2436
2282	sub reload() {	2437	sub reload() {
2283	# can/must only be called in main	2438	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2439	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2440	warn "can only reload from main coroutine";
2286	return;	2441	return;
2287	}	2442	}
2288		2443
2289	warn "reloading...";	2444	warn "reloading...";
2290		2445
2291	warn "freezing server";	2446	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2447
		2448	cf::sync_job {
		2449	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2450	cf::emergency_save;
		2451	cf::write_runtime; # external watchdog should not bark
2294		2452
2295	warn "sync database to disk";	2453	warn "syncing database to disk";
2296	cf::db_sync;	2454	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2455
2299	eval {
2300	# 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
2301		2457
2302	warn "cancel all watchers";	2458	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2459	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2461	}
2306		2462
		2463	warn "flushing outstanding aio requests";
		2464	for (;;) {
		2465	BDB::flush;
		2466	IO::AIO::flush;
		2467	Coro::cede;
		2468	last unless IO::AIO::nreqs || BDB::nreqs;
		2469	warn "iterate...";
		2470	}
		2471
		2472	++$RELOAD;
		2473
2307	warn "cancel all extension coros";	2474	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2475	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2476	%EXT_CORO = ();
2310		2477
2311	warn "remove commands";	2478	warn "removing commands";
2312	%COMMAND = ();	2479	%COMMAND = ();
2313		2480
2314	warn "remove ext commands";	2481	warn "removing ext commands";
2315	%EXTCMD = ();	2482	%EXTCMD = ();
2316		2483
2317	warn "unload/nuke all extensions";	2484	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2485	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	2486	warn "... unloading $pkg";
2320		2487
2321	if (my $cb = $pkg->can ("unload")) {	2488	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2489	eval {
2323	$cb->($pkg);	2490	$cb->($pkg);
2324	1	2491	1
2325	} or warn "$pkg unloaded, but with errors: $@";	2492	} or warn "$pkg unloaded, but with errors: $@";
2326	}	2493	}
2327		2494
		2495	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	2496	Symbol::delete_package $pkg;
2329	}	2497	}
2330		2498
2331	warn "unload all perl modules loaded from $LIBDIR";	2499	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	2500	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		2502
2335	warn "removing <$k>";	2503	warn "... unloading $k";
2336	delete $INC{$k};	2504	delete $INC{$k};
2337		2505
2338	$k =~ s/\.pm$//;	2506	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	2507	$k =~ s/\//::/g;
2340		2508
…		…
2343	}	2511	}
2344		2512
2345	Symbol::delete_package $k;	2513	Symbol::delete_package $k;
2346	}	2514	}
2347		2515
2348	warn "get rid of safe::, as good as possible";	2516	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	2517	Symbol::delete_package "safe::$_"
2350	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);
2351		2519
2352	warn "unload cf.pm \"a bit\"";	2520	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	2521	delete $INC{"cf.pm"};
2354		2522
2355	# don't, removes xs symbols, too,	2523	# don't, removes xs symbols, too,
2356	# and global variables created in xs	2524	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	2525	#Symbol::delete_package __PACKAGE__;
2358		2526
		2527	warn "unload completed, starting to reload now";
		2528
2359	warn "reloading cf.pm";	2529	warn "reloading cf.pm";
2360	require cf;	2530	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		2532
2363	warn "load config and database again";	2533	warn "loading config and database again";
2364	cf::cfg_load;	2534	cf::cfg_load;
2365	cf::db_load;
2366		2535
2367	warn "load extensions";	2536	warn "loading extensions";
2368	cf::load_extensions;	2537	cf::load_extensions;
2369		2538
2370	warn "reattach attachments to objects/players";	2539	warn "reattaching attachments to objects/players";
2371	_global_reattach;	2540	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	2541	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	2542	reattach $_ for values %MAP;
2374	};	2543	warn "reattaching attachments to players";
		2544	reattach $_ for values %PLAYER;
2375		2545
2376	if ($@) {	2546	warn "loading reloadable resources";
		2547	reload_resources;
		2548
		2549	warn "leaving sync_job";
		2550
		2551	1
		2552	} or do {
2377	warn $@;	2553	warn $@;
2378	warn "error while reloading, exiting.";	2554	warn "error while reloading, exiting.";
2379	exit 1;	2555	exit 1;
2380	}	2556	};
2381		2557
2382	warn "reloaded";	2558	warn "reloaded";
2383	};	2559	};
2384		2560
2385	#############################################################################	2561	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} = $LINK_MAP;
2426	}
2427		2562
2428	register_command "reload" => sub {	2563	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	2564	my ($who, $arg) = @_;
2430		2565
2431	if ($who->flag (FLAG_WIZ)) {	2566	if ($who->flag (FLAG_WIZ)) {
2432	$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 {
2433	reload;	2577	reload;
2434	$who->message ("end of reload.");	2578	undef $RELOAD_WATCHER;
		2579	},
		2580	);
2435	}	2581	}
2436	};	2582	};
2437		2583
2438	unshift @INC, $LIBDIR;	2584	unshift @INC, $LIBDIR;
		2585
		2586	my $bug_warning = 0;
2439		2587
2440	$TICK_WATCHER = Event->timer (	2588	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	2589	reentrant => 0,
		2590	parked => 1,
2442	prio => 0,	2591	prio => 0,
2443	at => $NEXT_TICK || $TICK,	2592	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	2593	data => WF_AUTOCANCEL,
2445	cb => sub {	2594	cb => sub {
		2595	if ($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
2446	cf::server_tick; # one server iteration	2603	cf::server_tick; # one server iteration
2447	$RUNTIME += $TICK;	2604	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	2605	$NEXT_TICK += $TICK;
2449		2606
		2607	if ($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
2450	$WAIT_FOR_TICK->broadcast;	2615	$WAIT_FOR_TICK->broadcast;
2451	$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#
2452		2620
2453	# 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
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2455		2623
2456	$TICK_WATCHER->at ($NEXT_TICK);	2624	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	2625	$TICK_WATCHER->start;
2458	},	2626	},
2459	);	2627	);
2460		2628
		2629	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	2630	BDB::max_poll_time $TICK * 0.1;
2462		2631	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	2632	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	2633	fd => BDB::poll_fileno,
2465	poll => 'r',	2634	poll => 'r',
2466	prio => 5,	2635	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	2636	data => WF_AUTOCANCEL,
2473	after => 0,	2637	cb => \&BDB::poll_cb,
2474	interval => 10,	2638	);
2475	cb => sub {	2639	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	2640
2477	write_runtime	2641	BDB::set_sync_prepare {
2478	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 $@;
2479	})->();	2675	};
2480	},	2676	}
2481	);	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	}
2482		2693
2483	END { cf::emergency_save }	2694	END { cf::emergency_save }
2484		2695
2485	1	2696	1
2486		2697

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines