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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.156 by root, Tue Jan 9 22:07:08 2007 UTC vs.
Revision 1.224 by root, Mon Mar 12 21:42:12 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;
23	use IO::AIO 2.32 ();	26	use IO::AIO 2.32 ();
24	use YAML::Syck ();	27	use YAML::Syck ();
25	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
26		30
		31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	33	$Event::Eval = 1; # no idea why this is required, but it is
28		34
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		36
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	38	$YAML::Syck::ImplicitUnicode = 1;
33		39
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		41
36	our %COMMAND = ();	42	our %COMMAND = ();
37	our %COMMAND_TIME = ();	43	our %COMMAND_TIME = ();
		44
		45	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	46	our %EXTCMD = ();
		47	our %EXT_CORO = (); # coroutines bound to extensions
		48	our %EXT_MAP = (); # pluggable maps
39		49
		50	our $RELOAD; # number of reloads so far
40	our @EVENT;	51	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	52	our $LIBDIR = datadir . "/ext";
42		53
43	our $TICK = MAX_TIME * 1e-6;	54	our $TICK = MAX_TIME * 1e-6;
44	our $TICK_WATCHER;	55	our $TICK_WATCHER;
		56	our $AIO_POLL_WATCHER;
		57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	58	our $NEXT_TICK;
46	our $NOW;	59	our $NOW;
		60	our $USE_FSYNC = 1; # use fsync to write maps - default off
		61
		62	our $BDB_POLL_WATCHER;
		63	our $DB_ENV;
47		64
48	our %CFG;	65	our %CFG;
49		66
50	our $UPTIME; $UPTIME ||= time;	67	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	68	our $RUNTIME;
52		69
53	our %PLAYER; # all users	70	our %PLAYER; # all users
54	our %MAP; # all maps	71	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	72	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	73	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	74	our $BDB_ENV_DIR = cf::localdir . "/db";
58		75
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		78
		79	# used to convert map paths into valid unix filenames by replacing / by ∕
		80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61		81
62	binmode STDOUT;	82	binmode STDOUT;
63	binmode STDERR;	83	binmode STDERR;
64		84
65	# read virtual server time, if available	85	# read virtual server time, if available
…		…
72	mkdir cf::localdir;	92	mkdir cf::localdir;
73	mkdir cf::localdir . "/" . cf::playerdir;	93	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;	94	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;	95	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;	96	mkdir $RANDOM_MAPS;
		97	mkdir $BDB_ENV_DIR;
77		98
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	99	our $EMERGENCY_POSITION;
		100
		101	sub cf::map::normalise;
81		102
82	#############################################################################	103	#############################################################################
83		104
84	=head2 GLOBAL VARIABLES	105	=head2 GLOBAL VARIABLES
85		106
…		…
156	}	177	}
157		178
158	$Event::DIED = sub {	179	$Event::DIED = sub {
159	warn "error in event callback: @_";	180	warn "error in event callback: @_";
160	};	181	};
161
162	my %ext_pkg;
163	my @exts;
164	my @hook;
165		182
166	=head2 UTILITY FUNCTIONS	183	=head2 UTILITY FUNCTIONS
167		184
168	=over 4	185	=over 4
169		186
…		…
257	}	274	}
258		275
259	sub freeze_mainloop {	276	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	277	return unless $TICK_WATCHER->is_active;
261		278
262	my $guard = Coro::guard { $TICK_WATCHER->start };	279	my $guard = Coro::guard {
		280	$TICK_WATCHER->start;
		281	};
263	$TICK_WATCHER->stop;	282	$TICK_WATCHER->stop;
264	$guard	283	$guard
265	}	284	}
266		285
267	=item cf::async { BLOCK }	286	=item cf::async { BLOCK }
…		…
319	}	338	}
320	}	339	}
321		340
322	=item $coro = cf::async_ext { BLOCK }	341	=item $coro = cf::async_ext { BLOCK }
323		342
324	Like async, but this coro is automcatially being canceled when the	343	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	344	extension calling this is being unloaded.
326		345
327	=cut	346	=cut
328		347
329	sub async_ext(&) {	348	sub async_ext(&) {
…		…
338		357
339	$coro	358	$coro
340	}	359	}
341		360
342	sub write_runtime {	361	sub write_runtime {
		362	my $guard = cf::lock_acquire "write_runtime";
		363
343	my $runtime = cf::localdir . "/runtime";	364	my $runtime = cf::localdir . "/runtime";
344		365
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	367	or return;
347		368
		369	my $value = $cf::RUNTIME + 90 + 10;
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	370	# 10 is the runtime save interval, for a monotonic clock
		371	# 60 allows for the watchdog to kill the server.
		372
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	373	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	374	and return;
351		375
		376	# always fsync - this file is important
352	aio_fsync $fh	377	aio_fsync $fh
353	and return;	378	and return;
354		379
355	close $fh	380	close $fh
356	or return;	381	or return;
…		…
362	}	387	}
363		388
364	=back	389	=back
365		390
366	=cut	391	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		392
490	#############################################################################	393	#############################################################################
491		394
492	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
493		396
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	523	our @CB_MAP = ();
621		524
622	my %attachment;	525	my %attachment;
623		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
624	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
626		535
627	use sort 'stable';	536	use sort 'stable';
628		537
…		…
799	# object support	708	# object support
800		709
801	sub reattach {	710	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		715
805	my $registry = $obj->registry;	716	my $registry = $obj->registry;
806		717
807	@$registry = ();	718	@$registry = ();
808		719
…		…
855	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
856		767
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	772	close $fh;
862		773
863	if (@$objs) {	774	if (@$objs) {
864	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) {
865	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	780	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
871	}	782	}
872	} else {	783	} else {
873	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
940	=cut	851	=cut
941		852
942	sub register_extcmd {	853	sub register_extcmd {
943	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
944		855
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
949	}	857	}
950		858
951	cf::player->attach (	859	cf::player->attach (
952	on_command => sub {	860	on_command => sub {
953	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
966		874
967	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
968		876
969	if (ref $msg) {	877	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	881	}
974	}	882	}
975	} else {	883	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		886
979	cf::override;	887	cf::override;
980	},	888	},
981	);	889	);
982		890
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	891	sub load_extension {
990	my ($path) = @_;	892	my ($path) = @_;
991		893
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;	895	my $base = $1;
994	my $pkg = $1;	896	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
997		899
998	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
999		901
1000	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
1001	or die "$path: $!";	903	or die "$path: $!";
1002		904
1003	my $source =	905	my $source =
1004	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
1007	. "\n};\n1";	909	. "\n};\n1";
1008		910
1009	eval $source	911	unless (eval $source) {
1010	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1011	: "extension disabled.\n";	913	: "extension disabled.\n";
1012		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013	push @exts, $pkg;	915	warn $@;
1014	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
1015		917	exit 1;
1016	# no strict 'refs';	918	}
1017	# @{"$pkg\::ISA"} = ext::;	919	die $@;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }	920	}
1032		921
1033	# remove commands	922	push @EXTS, $pkg;
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	923	}
1058		924
1059	sub load_extensions {	925	sub load_extensions {
1060	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	927	next unless -r $ext;
…		…
1065	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1066	}	932	}
1067	}	933	}
1068		934
1069	#############################################################################	935	#############################################################################
1070	# load/save/clean perl data associated with a map
1071
1072	*cf::mapsupport::on_clean = sub {
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		936
1085	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1086		938
1087	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1088		940
…		…
1124		976
1125	sub exists($) {	977	sub exists($) {
1126	my ($login) = @_;	978	my ($login) = @_;
1127		979
1128	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1130	}	982	}
1131		983
1132	sub find($) {	984	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	986	my $login = $_[0];
…		…
1180		1032
1181	=cut	1033	=cut
1182		1034
1183	sub quit_character {	1035	sub quit_character {
1184	my ($pl) = @_;	1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
1185		1039
1186	$pl->{deny_save} = 1;	1040	$pl->{deny_save} = 1;
1187	$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
1188		1042
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1048	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1049	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1050	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1051	delete $cf::PLAYER{$pl->ob->name};
1198	$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
1199	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;
1200	}	1074	}
1201		1075
1202	=item cf::player::list_logins	1076	=item cf::player::list_logins
1203		1077
1204	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
…		…
1224	\@logins	1098	\@logins
1225	}	1099	}
1226		1100
1227	=item $player->maps	1101	=item $player->maps
1228		1102
1229	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
1230	player. May block.	1104	player. May block.
1231		1105
1232	=cut	1106	=cut
1233		1107
1234	sub maps($) {	1108	sub maps($) {
1235	my ($pl) = @_;	1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1112
1237	my $files = aio_readdir playerdir $pl	1113	my $files = aio_readdir playerdir $pl
1238	or return;	1114	or return;
1239		1115
1240	my @paths;	1116	my @paths;
1241		1117
1242	for (@$files) {	1118	for (@$files) {
1243	utf8::decode $_;	1119	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1120	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1121	next unless /^$PATH_SEP/o;
1246		1122
1247	s/$PATH_SEP/\//g;	1123	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1124	}
1250		1125
1251	\@paths	1126	\@paths
1252	}	1127	}
1253		1128
…		…
1279	package cf::map;	1154	package cf::map;
1280		1155
1281	use Fcntl;	1156	use Fcntl;
1282	use Coro::AIO;	1157	use Coro::AIO;
1283		1158
		1159	use overload
		1160	'""' => \&as_string,
		1161	fallback => 1;
		1162
1284	our $MAX_RESET = 3600;	1163	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1164	our $DEFAULT_RESET = 3000;
1286		1165
1287	sub generate_random_map {	1166	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1167	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1168	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1169	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1173	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1174	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1178	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1180	(cf::region::find $rmp->{region}), $rmp->{custom}
		1181	)
		1182	}
		1183
		1184	=item cf::map->register ($regex, $prio)
		1185
		1186	Register a handler for the map path matching the given regex at the
		1187	givne priority (higher is better, built-in handlers have priority 0, the
		1188	default).
		1189
		1190	=cut
		1191
		1192	sub register {
		1193	my (undef, $regex, $prio) = @_;
		1194	my $pkg = caller;
		1195
		1196	no strict;
		1197	push @{"$pkg\::ISA"}, __PACKAGE__;
		1198
		1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1200	}
		1201
		1202	# also paths starting with '/'
		1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1204
		1205	sub thawer_merge {
		1206	my ($self, $merge) = @_;
		1207
		1208	# we have to keep some variables in memory intact
		1209	local $self->{path};
		1210	local $self->{load_path};
		1211	local $self->{deny_save};
		1212	local $self->{deny_reset};
		1213
		1214	$self->SUPER::thawer_merge ($merge);
		1215	}
		1216
		1217	sub normalise {
		1218	my ($path, $base) = @_;
		1219
		1220	$path = "$path"; # make sure its a string
		1221
		1222	$path =~ s/\.map$//;
		1223
		1224	# map plan:
		1225	#
		1226	# /! non-realised random map exit (special hack!)
		1227	# {... are special paths that are not being touched
		1228	# ?xxx/... are special absolute paths
		1229	# ?random/... random maps
		1230	# /... normal maps
		1231	# ~user/... per-player map of a specific user
		1232
		1233	$path =~ s/$PATH_SEP/\//go;
		1234
		1235	# treat it as relative path if it starts with
		1236	# something that looks reasonable
		1237	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1238	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1239
		1240	$base =~ s{[^/]+/?$}{};
		1241	$path = "$base/$path";
		1242	}
		1243
		1244	for ($path) {
		1245	redo if s{//}{/};
		1246	redo if s{/\.?/}{/};
		1247	redo if s{/[^/]+/\.\./}{/};
		1248	}
		1249
		1250	$path
		1251	}
		1252
		1253	sub new_from_path {
		1254	my (undef, $path, $base) = @_;
		1255
		1256	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1257
		1258	$path = normalise $path, $base;
		1259
		1260	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1261	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1262	my $self = bless cf::map::new, $pkg;
		1263	$self->{path} = $path; $self->path ($path);
		1264	$self->init; # pass $1 etc.
		1265	return $self;
		1266	}
		1267	}
		1268
		1269	Carp::carp "unable to resolve path '$path' (base '$base').";
		1270	()
		1271	}
		1272
		1273	sub init {
		1274	my ($self) = @_;
		1275
		1276	$self
		1277	}
		1278
		1279	sub as_string {
		1280	my ($self) = @_;
		1281
		1282	"$self->{path}"
		1283	}
		1284
		1285	# the displayed name, this is a one way mapping
		1286	sub visible_name {
		1287	&as_string
		1288	}
		1289
		1290	# the original (read-only) location
		1291	sub load_path {
		1292	my ($self) = @_;
		1293
		1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1295	}
		1296
		1297	# the temporary/swap location
		1298	sub save_path {
		1299	my ($self) = @_;
		1300
		1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1303	}
		1304
		1305	# the unique path, undef == no special unique path
		1306	sub uniq_path {
		1307	my ($self) = @_;
		1308
		1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1304	}	1311	}
1305		1312
1306	# and all this just because we cannot iterate over	1313	# and all this just because we cannot iterate over
1307	# all maps in C++...	1314	# all maps in C++...
1308	sub change_all_map_light {	1315	sub change_all_map_light {
…		…
1310		1317
1311	$_->change_map_light ($change)	1318	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1319	for grep $_->outdoor, values %cf::MAP;
1313	}	1320	}
1314		1321
		1322	sub unlink_save {
		1323	my ($self) = @_;
		1324
		1325	utf8::encode (my $save = $self->save_path);
		1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1327	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1328	}
		1329
1315	sub try_load_header($) {	1330	sub load_header_from($) {
1316	my ($path) = @_;	1331	my ($self, $path) = @_;
1317		1332
1318	utf8::encode $path;	1333	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1334	#aio_open $path, O_RDONLY, 0
		1335	# or return;
		1336
		1337	$self->_load_header ($path)
1320	or return;	1338	or return;
1321		1339
1322	my $map = cf::map::new	1340	$self->{load_path} = $path;
		1341
		1342	1
		1343	}
		1344
		1345	sub load_header_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->load_header_from ($self->load_path)
		1349	}
		1350
		1351	sub load_header_temp {
		1352	my ($self) = @_;
		1353
		1354	$self->load_header_from ($self->save_path)
		1355	}
		1356
		1357	sub prepare_temp {
		1358	my ($self) = @_;
		1359
		1360	$self->last_access ((delete $self->{last_access})
		1361	|| $cf::RUNTIME); #d#
		1362	# safety
		1363	$self->{instantiate_time} = $cf::RUNTIME
		1364	if $self->{instantiate_time} > $cf::RUNTIME;
		1365	}
		1366
		1367	sub prepare_orig {
		1368	my ($self) = @_;
		1369
		1370	$self->{load_original} = 1;
		1371	$self->{instantiate_time} = $cf::RUNTIME;
		1372	$self->last_access ($cf::RUNTIME);
		1373	$self->instantiate;
		1374	}
		1375
		1376	sub load_header {
		1377	my ($self) = @_;
		1378
		1379	if ($self->load_header_temp) {
		1380	$self->prepare_temp;
		1381	} else {
		1382	$self->load_header_orig
1323	or return;	1383	or return;
		1384	$self->prepare_orig;
		1385	}
1324		1386
1325	# for better error messages only, will be overwritten	1387	1
1326	$map->path ($path);
1327
1328	$map->load_header ($path)
1329	or return;
1330
1331	$map->{load_path} = $path;
1332
1333	$map
1334	}	1388	}
1335		1389
1336	sub find;	1390	sub find;
1337	sub find {	1391	sub find {
1338	my ($path, $origin) = @_;	1392	my ($path, $origin) = @_;
1339		1393
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1394	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1395
1345	cf::lock_wait "map_find:$key";	1396	cf::lock_wait "map_find:$path";
1346		1397
1347	$cf::MAP{$key} || do {	1398	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1399	my $guard = cf::lock_acquire "map_find:$path";
1349		1400	my $map = new_from_path cf::map $path
1350	# do it the slow way
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1401	or return;
1369		1402
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1403	$map->{last_save} = $cf::RUNTIME;
1382		1404
1383	Coro::cede;	1405	$map->load_header
		1406	or return;
1384		1407
1385	if ($map->should_reset) {	1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1409	# doing this can freeze the server in a sync job, obviously
		1410	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1411	$map->reset;
1387	undef $guard;	1412	undef $guard;
1388	$map = find $path	1413	return find $path;
1389	or return;
1390	}	1414	}
1391		1415
1392	$cf::MAP{$key} = $map	1416	$cf::MAP{$path} = $map
1393	}	1417	}
1394	}	1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
1395		1422
1396	sub load {	1423	sub load {
1397	my ($self) = @_;	1424	my ($self) = @_;
1398		1425
		1426	local $self->{deny_reset} = 1; # loading can take a long time
		1427
1399	my $path = $self->{path};	1428	my $path = $self->{path};
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1429	my $guard = cf::lock_acquire "map_load:$path";
1401		1430
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1431	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1432
1404	$self->in_memory (cf::MAP_LOADING);	1433	$self->in_memory (cf::MAP_LOADING);
1405		1434
1406	$self->alloc;	1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
1407	$self->load_objects ($self->{load_path}, 1)	1439	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1440	or return;
1409		1441
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1443	if delete $self->{load_original};
1412		1444
1413	if (my $uniq = $path->uniq_path) {	1445	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1446	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1447	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1448	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1449	$self->_load_objects ($uniq, 0);
1418	}	1450	}
1419	}	1451	}
1420		1452
1421	Coro::cede;	1453	Coro::cede;
1422		1454
1423	# now do the right thing for maps	1455	# now do the right thing for maps
1424	$self->link_multipart_objects;	1456	$self->link_multipart_objects;
1425		1457
1426	if ($self->{path}->is_style_map) {	1458	unless ($self->{deny_activate}) {
1427	$self->{deny_save} = 1;	1459	$self->decay_objects;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;	1460	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;	1461	$self->update_buttons;
		1462	Coro::cede;
1433	$self->set_darkness_map;	1463	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1464	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1465	unless $self->difficulty;
		1466	Coro::cede;
1436	$self->activate;	1467	$self->activate;
1437	}	1468	}
1438		1469
1439	Coro::cede;	1470	$self->post_load;
1440		1471
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1472	$self->in_memory (cf::MAP_IN_MEMORY);
		1473	}
		1474
		1475	sub customise_for {
		1476	my ($self, $ob) = @_;
		1477
		1478	return find "~" . $ob->name . "/" . $self->{path}
		1479	if $self->per_player;
		1480
		1481	$self
		1482	}
		1483
		1484	# find and load all maps in the 3x3 area around a map
		1485	sub load_diag {
		1486	my ($map) = @_;
		1487
		1488	my @diag; # diagonal neighbours
		1489
		1490	for (0 .. 3) {
		1491	my $neigh = $map->tile_path ($_)
		1492	or next;
		1493	$neigh = find $neigh, $map
		1494	or next;
		1495	$neigh->load;
		1496
		1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1499	}
		1500
		1501	for (@diag) {
		1502	my $neigh = find @$_
		1503	or next;
		1504	$neigh->load;
		1505	}
1442	}	1506	}
1443		1507
1444	sub find_sync {	1508	sub find_sync {
1445	my ($path, $origin) = @_;	1509	my ($path, $origin) = @_;
1446		1510
1447	cf::sync_job { cf::map::find $path, $origin }	1511	cf::sync_job { find $path, $origin }
1448	}	1512	}
1449		1513
1450	sub do_load_sync {	1514	sub do_load_sync {
1451	my ($map) = @_;	1515	my ($map) = @_;
1452		1516
1453	cf::sync_job { $map->load };	1517	cf::sync_job { $map->load };
1454	}	1518	}
1455		1519
		1520	our %MAP_PREFETCH;
		1521	our $MAP_PREFETCHER = undef;
		1522
		1523	sub find_async {
		1524	my ($path, $origin) = @_;
		1525
		1526	$path = normalise $path, $origin && $origin->{path};
		1527
		1528	if (my $map = $cf::MAP{$path}) {
		1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1530	}
		1531
		1532	undef $MAP_PREFETCH{$path};
		1533	$MAP_PREFETCHER ||= cf::async {
		1534	while (%MAP_PREFETCH) {
		1535	for my $path (keys %MAP_PREFETCH) {
		1536	my $map = find $path
		1537	or next;
		1538	$map->load;
		1539
		1540	delete $MAP_PREFETCH{$path};
		1541	}
		1542	}
		1543	undef $MAP_PREFETCHER;
		1544	};
		1545	$MAP_PREFETCHER->prio (6);
		1546
		1547	()
		1548	}
		1549
1456	sub save {	1550	sub save {
1457	my ($self) = @_;	1551	my ($self) = @_;
1458		1552
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1460		1554
1461	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1462		1556
1463	return unless $self->dirty;	1557	return unless $self->dirty;
1464		1558
1465	my $save = $self->{path}->save_path; utf8::encode $save;	1559	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		1561
1468	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1469		1563
1470	return if $self->{deny_save};	1564	return if $self->{deny_save};
1471		1565
…		…
1474	cf::async {	1568	cf::async {
1475	$_->contr->save for $self->players;	1569	$_->contr->save for $self->players;
1476	};	1570	};
1477		1571
1478	if ($uniq) {	1572	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	1575	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	1577	}
1484	}	1578	}
1485		1579
1486	sub swap_out {	1580	sub swap_out {
1487	my ($self) = @_;	1581	my ($self) = @_;
…		…
1501		1595
1502	sub reset_at {	1596	sub reset_at {
1503	my ($self) = @_;	1597	my ($self) = @_;
1504		1598
1505	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1507	return 1e99 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1508		1602
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		1605
…		…
1516	my ($self) = @_;	1610	my ($self) = @_;
1517		1611
1518	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1519	}	1613	}
1520		1614
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	1615	sub reset {
1543	my ($self) = @_;	1616	my ($self) = @_;
1544		1617
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		1619
1547	return if $self->players;	1620	return if $self->players;
1548	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1549		1622
1550	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1551		1624
		1625	$self->in_memory (cf::MAP_SWAPPED);
		1626
		1627	# need to save uniques path
		1628	unless ($self->{deny_save}) {
		1629	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1630
		1631	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1632	if $uniq;
		1633	}
		1634
1552	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
		1636
		1637	$self->clear;
1553		1638
1554	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1555		1640
1556	$self->unlink_save;	1641	$self->unlink_save;
1557	$self->destroy;	1642	$self->destroy;
…		…
1560	my $nuke_counter = "aaaa";	1645	my $nuke_counter = "aaaa";
1561		1646
1562	sub nuke {	1647	sub nuke {
1563	my ($self) = @_;	1648	my ($self) = @_;
1564		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	1656	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	1657	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
1568	$self->reset; # polite request, might not happen	1662	$self->reset; # polite request, might not happen
1569	}	1663	}
1570		1664
1571	sub customise_for {	1665	=item cf::map::unique_maps
1572	my ($map, $ob) = @_;
1573		1666
1574	if ($map->per_player) {	1667	Returns an arrayref of paths of all shared maps that have
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1668	instantiated unique items. May block.
1576	}
1577		1669
1578	$map	1670	=cut
		1671
		1672	sub unique_maps() {
		1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1674	or return;
		1675
		1676	my @paths;
		1677
		1678	for (@$files) {
		1679	utf8::decode $_;
		1680	next if /\.pst$/;
		1681	next unless /^$PATH_SEP/o;
		1682
		1683	push @paths, cf::map::normalise $_;
		1684	}
		1685
		1686	\@paths
1579	}	1687	}
1580		1688
1581	package cf;	1689	package cf;
1582		1690
1583	=back	1691	=back
…		…
1655		1763
1656	=item $player_object->enter_link	1764	=item $player_object->enter_link
1657		1765
1658	Freezes the player and moves him/her to a special map (C<{link}>).	1766	Freezes the player and moves him/her to a special map (C<{link}>).
1659		1767
1660	The player should be reaosnably safe there for short amounts of time. You	1768	The player should be reasonably safe there for short amounts of time. You
1661	I<MUST> call C<leave_link> as soon as possible, though.	1769	I<MUST> call C<leave_link> as soon as possible, though.
1662		1770
		1771	Will never block.
		1772
1663	=item $player_object->leave_link ($map, $x, $y)	1773	=item $player_object->leave_link ($map, $x, $y)
1664		1774
1665	Moves the player out of the specila link map onto the given map. If the	1775	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	1776	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	1777	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	1778	fails, to the emergency map position.
1669		1779
1670	Might block.	1780	Might block.
1671		1781
1672	=cut	1782	=cut
		1783
		1784	sub link_map {
		1785	unless ($LINK_MAP) {
		1786	$LINK_MAP = cf::map::find "{link}"
		1787	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1788	$LINK_MAP->load;
		1789	}
		1790
		1791	$LINK_MAP
		1792	}
1673		1793
1674	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1675	my ($self) = @_;	1795	my ($self) = @_;
1676		1796
1677	$self->deactivate_recursive;	1797	$self->deactivate_recursive;
1678		1798
1679	return if $self->map == $LINK_MAP;	1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		1800
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	1802	if $self->map;
1683		1803
1684	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	1805	}
1686		1806
1687	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1689		1809
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	1827	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	1828	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	1829	if $x <=0 && $y <= 0;
1710		1830
1711	$map->load;	1831	$map->load;
		1832	$map->load_diag;
1712		1833
1713	return unless $self->contr->active;	1834	return unless $self->contr->active;
1714	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1716	}	1839	}
1717		1840
1718	cf::player->attach (	1841	cf::player->attach (
1719	on_logout => sub {	1842	on_logout => sub {
…		…
1732	# try to abort aborted map switching on player login :)	1855	# try to abort aborted map switching on player login :)
1733	# should happen only on crashes	1856	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {	1857	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;	1858	$pl->ob->enter_link;
1736	(async {	1859	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,	1860	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "	1861	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",	1862	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);	1863	cf::NDI_RED);
		1864	# we need this sleep as the login has a concurrent enter_exit running
		1865	# and this sleep increases chances of the player not ending up in scorn
1743	Coro::Timer::sleep 1;	1866	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;	1867	$pl->ob->leave_link;
1745	})->prio (2);	1868	})->prio (2);
1746	}	1869	}
1747	},	1870	},
…		…
1752	=cut	1875	=cut
1753		1876
1754	sub cf::object::player::goto {	1877	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1756		1879
1757	$path = new cf::path $path;
1758	$path ne "/" or Carp::cluck ("oy");#d#
1759
1760	$self->enter_link;	1880	$self->enter_link;
1761		1881
1762	(async {	1882	(async {
		1883	my $map = eval {
1763	my $map = cf::map::find $path->as_string;	1884	my $map = cf::map::find $path;
1764	$map = $map->customise_for ($self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1765		1886	$map
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	1887	} or
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1770		1889
1771	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1772	})->prio (1);	1891	})->prio (1);
1773	}	1892	}
1774		1893
…		…
1778		1897
1779	sub parse_random_map_params {	1898	sub parse_random_map_params {
1780	my ($spec) = @_;	1899	my ($spec) = @_;
1781		1900
1782	my $rmp = { # defaults	1901	my $rmp = { # defaults
1783	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1785	};	1906	};
1786		1907
1787	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1789		1910
…		…
1793	$rmp	1914	$rmp
1794	}	1915	}
1795		1916
1796	sub prepare_random_map {	1917	sub prepare_random_map {
1797	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1798		1921
1799	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1800	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1801	# that depends on the exit object	1924	# that depends on the exit object
1802		1925
1803	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1804		1927
1805	if ($exit->map) {	1928	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1810	}	1933	}
1811		1934
1812	$rmp->{random_seed} ||= $exit->random_seed;	1935	$rmp->{random_seed} ||= $exit->random_seed;
1813		1936
1814	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1815	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1816		1940
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	1942	aio_write $fh, 0, (length $data), $data, 0;
		1943	undef $fh;
		1944	aio_rename "$meta~", $meta;
1819		1945
1820	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	1947	$exit->msg (undef);
1822	}	1948	}
1823	}	1949	}
1824		1950
1825	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1827		1953
1828	return unless $self->type == cf::PLAYER;	1954	return unless $self->type == cf::PLAYER;
		1955
		1956	if ($exit->slaying eq "/!") {
		1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1958	cf::sync_job { prepare_random_map $exit };
		1959	}
		1960
		1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1962	my $hp = $exit->stats->hp;
		1963	my $sp = $exit->stats->sp;
1829		1964
1830	$self->enter_link;	1965	$self->enter_link;
1831		1966
1832	(async {	1967	(async {
1833	$self->deactivate_recursive; # just to be sure	1968	$self->deactivate_recursive; # just to be sure
1834	unless (eval {	1969	unless (eval {
1835	prepare_random_map $exit	1970	$self->goto ($slaying, $hp, $sp);
1836	if $exit->slaying eq "/!";
1837
1838	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1840		1971
1841	1;	1972	1;
1842	}) {	1973	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1844	. "I'll try to bring you back to the map you were before. "	1975	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	1976	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	1977	cf::NDI_UNIQUE | cf::NDI_RED);
1847		1978
1848	warn "ERROR in enter_exit: $@";	1979	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	1980	$self->leave_link;
1850	}	1981	}
…		…
1905	# get handled first	2036	# get handled first
1906	my $queue = delete $ns->{query_queue}	2037	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	2038	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		2039
1909	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2042
1911	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1912		2044
1913	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2046	if (@$queue) {
…		…
2075	The parameter C<$family> should best start with the name of the extension	2207	The parameter C<$family> should best start with the name of the extension
2076	using it, it should be unique.	2208	using it, it should be unique.
2077		2209
2078	=over 4	2210	=over 4
2079		2211
2080	=item $hashref = cf::db_get $family
2081
2082	Return a hashref for use by the extension C<$family>, which can be
2083	modified. After modifications, you have to call C<cf::db_dirty> or
2084	C<cf::db_sync>.
2085
2086	=item $value = cf::db_get $family => $key	2212	=item $value = cf::db_get $family => $key
2087		2213
2088	Returns a single value from the database	2214	Returns a single value from the database.
2089
2090	=item cf::db_put $family => $hashref
2091
2092	Stores the given family hashref into the database. Updates are delayed, if
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2094		2215
2095	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
2096		2217
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	Stores the given C<$value> in the family.
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107		2219
2108	=cut	2220	=cut
2109		2221
2110	our $DB;	2222	our $DB;
2111		2223
2112	{	2224	sub db_init {
		2225	unless ($DB) {
		2226	$DB = BDB::db_create $DB_ENV;
		2227
		2228	cf::sync_job {
		2229	eval {
		2230	$DB->set_flags (BDB::CHKSUM);
		2231
		2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2234	cf::cleanup "db_open(db): $!" if $!;
		2235	};
		2236	cf::cleanup "db_open(db): $@" if $@;
		2237	};
		2238
2113	my $path = cf::localdir . "/database.pst";	2239	my $path = cf::localdir . "/database.pst";
		2240	if (stat $path) {
		2241	cf::sync_job {
		2242	my $pst = Storable::retrieve $path;
2114		2243
2115	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
2116	$DB = stat $path ? Storable::retrieve $path : { };	2245	cf::db_put (guildrules => data => $pst->{guildrules});
2117	}	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
		2247	BDB::db_env_txn_checkpoint $DB_ENV;
2118		2248
2119	my $pid;	2249	unlink $path;
2120
2121	sub db_save() {
2122	waitpid $pid, 0 if $pid;
2123	if (0 == ($pid = fork)) {
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}	2250	};
2129	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});
2141
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}
2146
2147	sub db_get($;$) {
2148	@_ >= 2
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152
2153	sub db_put($$;$) {
2154	if (@_ >= 3) {
2155	$DB->{$_[0]}{$_[1]} = $_[2];
2156	} else {
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161
2162	cf::global->attach (
2163	prio => 10000,
2164	on_cleanup => sub {
2165	db_sync;
2166	},	2251	}
2167	);	2252	}
		2253	}
		2254
		2255	sub db_get($$) {
		2256	my $key = "$_[0]/$_[1]";
		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
		2266	sub db_put($$$) {
		2267	BDB::dbreq_pri 4;
		2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2168	}	2269	}
2169		2270
2170	#############################################################################	2271	#############################################################################
2171	# the server's main()	2272	# the server's init and main functions
		2273
		2274	sub load_faces {
		2275	my $path = sprintf "%s/faces", cf::datadir;
		2276
		2277	warn "loading faces from $path\n";
		2278
		2279	my $faces;
		2280	0 < aio_load $path, $faces
		2281	or die "$path: $!";
		2282
		2283	Coro::cede;
		2284	$faces = Storable::thaw $faces;
		2285	Coro::cede;
		2286
		2287	while (my ($face, $info) = each %$faces) {
		2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2291	Coro::cede;
		2292	}
		2293
		2294	1
		2295	}
		2296
		2297	sub reload_resources {
		2298	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2299	or die "unable to load regions file\n";#d#
		2300	load_faces
		2301	or die "unable to load faces\n";#d#
		2302	}
		2303
		2304	sub init {
		2305	reload_resources;
		2306	}
2172		2307
2173	sub cfg_load {	2308	sub cfg_load {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	2309	open my $fh, "<:utf8", cf::confdir . "/config"
2175	or return;	2310	or return;
2176		2311
…		…
2193		2328
2194	sub main {	2329	sub main {
2195	# we must not ever block the main coroutine	2330	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	2331	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2333	(async {
2198	async { Event::one_event };	2334	Event::one_event;
		2335	})->prio (Coro::PRIO_MAX);
2199	};	2336	};
2200		2337
2201	cfg_load;	2338	cfg_load;
2202	db_load;	2339	db_init;
2203	load_extensions;	2340	load_extensions;
		2341
		2342	$TICK_WATCHER->start;
2204	Event::loop;	2343	Event::loop;
2205	}	2344	}
2206		2345
2207	#############################################################################	2346	#############################################################################
2208	# initialisation and cleanup	2347	# initialisation and cleanup
2209		2348
2210	# install some emergency cleanup handlers	2349	# install some emergency cleanup handlers
2211	BEGIN {	2350	BEGIN {
2212	for my $signal (qw(INT HUP TERM)) {	2351	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	2352	Event->signal (
		2353	reentrant => 0,
2214	data => WF_AUTOCANCEL,	2354	data => WF_AUTOCANCEL,
2215	signal => $signal,	2355	signal => $signal,
		2356	prio => 0,
2216	cb => sub {	2357	cb => sub {
2217	cf::cleanup "SIG$signal";	2358	cf::cleanup "SIG$signal";
2218	},	2359	},
2219	);	2360	);
2220	}	2361	}
2221	}	2362	}
…		…
2226	warn "enter emergency perl save\n";	2367	warn "enter emergency perl save\n";
2227		2368
2228	cf::sync_job {	2369	cf::sync_job {
2229	# use a peculiar iteration method to avoid tripping on perl	2370	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	2371	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	2372	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	2373	warn "begin emergency player save\n";
2233	for my $login (keys %cf::PLAYER) {	2374	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	2375	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	2376	$pl->valid or next;
2236	$pl->save;	2377	$pl->save;
…		…
2242	my $map = $cf::MAP{$path} or next;	2383	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	2384	$map->valid or next;
2244	$map->save;	2385	$map->save;
2245	}	2386	}
2246	warn "end emergency map save\n";	2387	warn "end emergency map save\n";
		2388
		2389	warn "begin emergency database checkpoint\n";
		2390	BDB::db_env_txn_checkpoint $DB_ENV;
		2391	warn "end emergency database checkpoint\n";
2247	};	2392	};
2248		2393
2249	warn "leave emergency perl save\n";	2394	warn "leave emergency perl save\n";
		2395	}
		2396
		2397	sub post_cleanup {
		2398	my ($make_core) = @_;
		2399
		2400	warn Carp::longmess "post_cleanup backtrace"
		2401	if $make_core;
2250	}	2402	}
2251		2403
2252	sub reload() {	2404	sub reload() {
2253	# can/must only be called in main	2405	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	2406	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	2407	warn "can only reload from main coroutine";
2256	return;	2408	return;
2257	}	2409	}
2258		2410
2259	warn "reloading...";	2411	warn "reloading...";
2260		2412
2261	my $guard = freeze_mainloop;	2413	warn "entering sync_job";
		2414
		2415	cf::sync_job {
		2416	cf::write_runtime; # external watchdog should not bark
2262	cf::emergency_save;	2417	cf::emergency_save;
		2418	cf::write_runtime; # external watchdog should not bark
2263		2419
2264	eval {	2420	warn "syncing database to disk";
		2421	BDB::db_env_txn_checkpoint $DB_ENV;
		2422
2265	# if anything goes wrong in here, we should simply crash as we already saved	2423	# if anything goes wrong in here, we should simply crash as we already saved
2266		2424
2267	# cancel all watchers	2425	warn "cancelling all WF_AUTOCANCEL watchers";
2268	for (Event::all_watchers) {	2426	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	2427	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}	2428	}
2271		2429
		2430	warn "flushing outstanding aio requests";
		2431	for (;;) {
		2432	BDB::flush;
		2433	IO::AIO::flush;
		2434	Coro::cede;
		2435	last unless IO::AIO::nreqs || BDB::nreqs;
		2436	warn "iterate...";
		2437	}
		2438
		2439	++$RELOAD;
		2440
2272	# cancel all extension coros	2441	warn "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	2442	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	2443	%EXT_CORO = ();
2275		2444
2276	# unload all extensions	2445	warn "removing commands";
2277	for (@exts) {	2446	%COMMAND = ();
		2447
		2448	warn "removing ext commands";
		2449	%EXTCMD = ();
		2450
		2451	warn "unloading/nuking all extensions";
		2452	for my $pkg (@EXTS) {
2278	warn "unloading <$_>";	2453	warn "... unloading $pkg";
2279	unload_extension $_;	2454
		2455	if (my $cb = $pkg->can ("unload")) {
		2456	eval {
		2457	$cb->($pkg);
		2458	1
		2459	} or warn "$pkg unloaded, but with errors: $@";
2280	}	2460	}
2281		2461
		2462	warn "... nuking $pkg";
		2463	Symbol::delete_package $pkg;
		2464	}
		2465
2282	# unload all modules loaded from $LIBDIR	2466	warn "unloading all perl modules loaded from $LIBDIR";
2283	while (my ($k, $v) = each %INC) {	2467	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2468	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285		2469
2286	warn "removing <$k>";	2470	warn "... unloading $k";
2287	delete $INC{$k};	2471	delete $INC{$k};
2288		2472
2289	$k =~ s/\.pm$//;	2473	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;	2474	$k =~ s/\//::/g;
2291		2475
…		…
2294	}	2478	}
2295		2479
2296	Symbol::delete_package $k;	2480	Symbol::delete_package $k;
2297	}	2481	}
2298		2482
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	2483	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	2484	Symbol::delete_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2485	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		2486
2307	# remove register_script_function callbacks
2308	# TODO
2309
2310	# unload cf.pm "a bit"	2487	warn "unloading cf.pm \"a bit\"";
2311	delete $INC{"cf.pm"};	2488	delete $INC{"cf.pm"};
2312		2489
2313	# don't, removes xs symbols, too,	2490	# don't, removes xs symbols, too,
2314	# and global variables created in xs	2491	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	2492	#Symbol::delete_package __PACKAGE__;
2316		2493
2317	# reload cf.pm	2494	warn "unload completed, starting to reload now";
		2495
2318	warn "reloading cf.pm";	2496	warn "reloading cf.pm";
2319	require cf;	2497	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2498	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		2499
2322	# load config and database again	2500	warn "loading config and database again";
2323	cf::cfg_load;	2501	cf::cfg_load;
2324	cf::db_load;
2325		2502
2326	# load extensions
2327	warn "load extensions";	2503	warn "loading extensions";
2328	cf::load_extensions;	2504	cf::load_extensions;
2329		2505
2330	# reattach attachments to objects	2506	warn "reattaching attachments to objects/players";
2331	warn "reattach";	2507	_global_reattach; # objects, sockets
2332	_global_reattach;	2508	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	2509	reattach $_ for values %MAP;
2334	};	2510	warn "reattaching attachments to players";
		2511	reattach $_ for values %PLAYER;
2335		2512
2336	if ($@) {	2513	warn "loading reloadable resources";
		2514	reload_resources;
		2515
		2516	warn "leaving sync_job";
		2517
		2518	1
		2519	} or do {
2337	warn $@;	2520	warn $@;
2338	warn "error while reloading, exiting.";	2521	warn "error while reloading, exiting.";
2339	exit 1;	2522	exit 1;
2340	}	2523	};
2341		2524
2342	warn "reloaded successfully";	2525	warn "reloaded";
2343	};	2526	};
2344		2527
2345	#############################################################################	2528	our $RELOAD_WATCHER; # used only during reload
2346
2347	unless ($LINK_MAP) {
2348	$LINK_MAP = cf::map::new;
2349
2350	$LINK_MAP->width (41);
2351	$LINK_MAP->height (41);
2352	$LINK_MAP->alloc;
2353	$LINK_MAP->path ("{link}");
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,
2360	cb => sub {
2361	$_[0]->w->cancel;
2362
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});
2381
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}
2387
2388	register "<global>", __PACKAGE__;
2389		2529
2390	register_command "reload" => sub {	2530	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	2531	my ($who, $arg) = @_;
2392		2532
2393	if ($who->flag (FLAG_WIZ)) {	2533	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");	2534	$who->message ("reloading server.");
		2535
		2536	# doing reload synchronously and two reloads happen back-to-back,
		2537	# coro crashes during coro_state_free->destroy here.
		2538
		2539	$RELOAD_WATCHER ||= Event->timer (
		2540	reentrant => 0,
		2541	after => 0,
		2542	data => WF_AUTOCANCEL,
		2543	cb => sub {
2395	reload;	2544	reload;
2396	$who->message ("end of reload.");	2545	undef $RELOAD_WATCHER;
		2546	},
		2547	);
2397	}	2548	}
2398	};	2549	};
2399		2550
2400	unshift @INC, $LIBDIR;	2551	unshift @INC, $LIBDIR;
		2552
		2553	my $bug_warning = 0;
2401		2554
2402	$TICK_WATCHER = Event->timer (	2555	$TICK_WATCHER = Event->timer (
2403	reentrant => 0,	2556	reentrant => 0,
		2557	parked => 1,
2404	prio => 0,	2558	prio => 0,
2405	at => $NEXT_TICK || $TICK,	2559	at => $NEXT_TICK || $TICK,
2406	data => WF_AUTOCANCEL,	2560	data => WF_AUTOCANCEL,
2407	cb => sub {	2561	cb => sub {
		2562	if ($Coro::current != $Coro::main) {
		2563	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2564	unless ++$bug_warning > 10;
		2565	return;
		2566	}
		2567
		2568	$NOW = Event::time;
		2569
2408	cf::server_tick; # one server iteration	2570	cf::server_tick; # one server iteration
2409	$RUNTIME += $TICK;	2571	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;	2572	$NEXT_TICK += $TICK;
2411		2573
		2574	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2575	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2576	Coro::async_pool {
		2577	write_runtime
		2578	or warn "ERROR: unable to write runtime file: $!";
		2579	};
		2580	}
		2581
2412	$WAIT_FOR_TICK->broadcast;	2582	$WAIT_FOR_TICK->broadcast;
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2583	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2584
		2585	# my $AFTER = Event::time;
		2586	# warn $AFTER - $NOW;#d#
2414		2587
2415	# if we are delayed by four ticks or more, skip them all	2588	# if we are delayed by four ticks or more, skip them all
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2589	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2417		2590
2418	$TICK_WATCHER->at ($NEXT_TICK);	2591	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;	2592	$TICK_WATCHER->start;
2420	},	2593	},
2421	);	2594	);
2422		2595
		2596	{
2423	IO::AIO::max_poll_time $TICK * 0.2;	2597	BDB::max_poll_time $TICK * 0.1;
2424		2598	$BDB_POLL_WATCHER = Event->io (
2425	Event->io (	2599	reentrant => 0,
2426	fd => IO::AIO::poll_fileno,	2600	fd => BDB::poll_fileno,
2427	poll => 'r',	2601	poll => 'r',
2428	prio => 5,	2602	prio => 0,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,	2603	data => WF_AUTOCANCEL,
2435	after => 0,	2604	cb => \&BDB::poll_cb,
2436	interval => 10,	2605	);
2437	cb => sub {	2606	BDB::min_parallel 8;
2438	(Coro::unblock_sub {	2607
2439	write_runtime	2608	BDB::set_sync_prepare {
2440	or warn "ERROR: unable to write runtime file: $!";	2609	my $status;
		2610	my $current = $Coro::current;
		2611	(
		2612	sub {
		2613	$status = $!;
		2614	$current->ready; undef $current;
		2615	},
		2616	sub {
		2617	Coro::schedule while defined $current;
		2618	$! = $status;
		2619	},
		2620	)
		2621	};
		2622
		2623	unless ($DB_ENV) {
		2624	$DB_ENV = BDB::db_env_create;
		2625
		2626	cf::sync_job {
		2627	eval {
		2628	BDB::db_env_open
		2629	$DB_ENV,
		2630	$BDB_ENV_DIR,
		2631	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2632	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2633	0666;
		2634
		2635	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2636
		2637	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2638	$DB_ENV->set_lk_detect;
		2639	};
		2640
		2641	cf::cleanup "db_env_open(db): $@" if $@;
2441	})->();	2642	};
2442	},	2643	}
2443	);	2644	}
		2645
		2646	{
		2647	IO::AIO::min_parallel 8;
		2648
		2649	undef $Coro::AIO::WATCHER;
		2650	IO::AIO::max_poll_time $TICK * 0.1;
		2651	$AIO_POLL_WATCHER = Event->io (
		2652	reentrant => 0,
		2653	data => WF_AUTOCANCEL,
		2654	fd => IO::AIO::poll_fileno,
		2655	poll => 'r',
		2656	prio => 6,
		2657	cb => \&IO::AIO::poll_cb,
		2658	);
		2659	}
2444		2660
2445	END { cf::emergency_save }	2661	END { cf::emergency_save }
2446		2662
2447	1	2663	1
2448		2664

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