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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.225 by root, Wed Mar 14 00:04:58 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
1442	}	1482	}
1443		1483
1444	# find and load all maps in the 3x3 area around a map	1484	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	1485	sub load_diag {
1446	my ($map) = @_;	1486	my ($map) = @_;
…		…
1476		1516
1477	cf::sync_job { $map->load };	1517	cf::sync_job { $map->load };
1478	}	1518	}
1479		1519
1480	our %MAP_PREFETCH;	1520	our %MAP_PREFETCH;
1481	our $MAP_PREFETCHER = Coro::async {	1521	our $MAP_PREFETCHER = undef;
1482	while () {
1483	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH
1485	or next;
1486	my $path = delete $MAP_PREFETCH{$key};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}
1492	Coro::schedule;
1493	}
1494	};
1495		1522
1496	sub find_async {	1523	sub find_async {
1497	my ($path, $origin) = @_;	1524	my ($path, $origin) = @_;
1498		1525
1499	$path = new cf::path $path, $origin && $origin->path;	1526	$path = normalise $path, $origin && $origin->{path};
1500	my $key = $path->as_string;
1501		1527
1502	if (my $map = $cf::MAP{$key}) {	1528	if (my $map = $cf::MAP{$path}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}	1530	}
1505		1531
1506	$MAP_PREFETCH{$key} = $path;	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	};
1507	$MAP_PREFETCHER->ready;	1545	$MAP_PREFETCHER->prio (6);
1508		1546
1509	()	1547	()
1510	}	1548	}
1511		1549
1512	sub save {	1550	sub save {
…		…
1516		1554
1517	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1518		1556
1519	return unless $self->dirty;	1557	return unless $self->dirty;
1520		1558
1521	my $save = $self->{path}->save_path; utf8::encode $save;	1559	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		1561
1524	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1525		1563
1526	return if $self->{deny_save};	1564	return if $self->{deny_save};
1527		1565
…		…
1530	cf::async {	1568	cf::async {
1531	$_->contr->save for $self->players;	1569	$_->contr->save for $self->players;
1532	};	1570	};
1533		1571
1534	if ($uniq) {	1572	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	1575	} else {
1538	$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);
1539	}	1577	}
1540	}	1578	}
1541		1579
1542	sub swap_out {	1580	sub swap_out {
1543	my ($self) = @_;	1581	my ($self) = @_;
…		…
1557		1595
1558	sub reset_at {	1596	sub reset_at {
1559	my ($self) = @_;	1597	my ($self) = @_;
1560		1598
1561	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1564		1602
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	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;
1567		1605
…		…
1572	my ($self) = @_;	1610	my ($self) = @_;
1573		1611
1574	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1575	}	1613	}
1576		1614
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	1615	sub reset {
1599	my ($self) = @_;	1616	my ($self) = @_;
1600		1617
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		1619
1603	return if $self->players;	1620	return if $self->players;
1604	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1605		1622
1606	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1607		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
1608	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
		1636
		1637	$self->clear;
1609		1638
1610	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1611		1640
1612	$self->unlink_save;	1641	$self->unlink_save;
1613	$self->destroy;	1642	$self->destroy;
…		…
1616	my $nuke_counter = "aaaa";	1645	my $nuke_counter = "aaaa";
1617		1646
1618	sub nuke {	1647	sub nuke {
1619	my ($self) = @_;	1648	my ($self) = @_;
1620		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	1656	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	1657	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
1624	$self->reset; # polite request, might not happen	1662	$self->reset; # polite request, might not happen
1625	}	1663	}
1626		1664
1627	sub customise_for {	1665	=item cf::map::unique_maps
1628	my ($map, $ob) = @_;
1629		1666
1630	if ($map->per_player) {	1667	Returns an arrayref of paths of all shared maps that have
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1668	instantiated unique items. May block.
1632	}
1633		1669
1634	$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
1635	}	1687	}
1636		1688
1637	package cf;	1689	package cf;
1638		1690
1639	=back	1691	=back
…		…
1711		1763
1712	=item $player_object->enter_link	1764	=item $player_object->enter_link
1713		1765
1714	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}>).
1715		1767
1716	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
1717	I<MUST> call C<leave_link> as soon as possible, though.	1769	I<MUST> call C<leave_link> as soon as possible, though.
1718		1770
		1771	Will never block.
		1772
1719	=item $player_object->leave_link ($map, $x, $y)	1773	=item $player_object->leave_link ($map, $x, $y)
1720		1774
1721	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
1722	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
1723	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
1724	to the emergency map position.	1778	fails, to the emergency map position.
1725		1779
1726	Might block.	1780	Might block.
1727		1781
1728	=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	}
1729		1793
1730	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1795	my ($self) = @_;
1732		1796
1733	$self->deactivate_recursive;	1797	$self->deactivate_recursive;
1734		1798
1735	return if $self->map == $LINK_MAP;	1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1800
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1802	if $self->map;
1739		1803
1740	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1805	}
1742		1806
1743	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1745		1809
…		…
1767	$map->load;	1831	$map->load;
1768	$map->load_diag;	1832	$map->load_diag;
1769		1833
1770	return unless $self->contr->active;	1834	return unless $self->contr->active;
1771	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1773	}	1839	}
1774		1840
1775	cf::player->attach (	1841	cf::player->attach (
1776	on_logout => sub {	1842	on_logout => sub {
…		…
1789	# try to abort aborted map switching on player login :)	1855	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes	1856	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {	1857	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;	1858	$pl->ob->enter_link;
1793	(async {	1859	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,	1860	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "	1861	"There was an internal problem at your last logout, "
1798	. "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.",
1799	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
1800	Coro::Timer::sleep 1;	1866	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;	1867	$pl->ob->leave_link;
1802	})->prio (2);	1868	})->prio (2);
1803	}	1869	}
1804	},	1870	},
…		…
1809	=cut	1875	=cut
1810		1876
1811	sub cf::object::player::goto {	1877	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1813		1879
1814	$path = new cf::path $path;
1815	$path ne "/" or Carp::cluck ("oy");#d#
1816
1817	$self->enter_link;	1880	$self->enter_link;
1818		1881
1819	(async {	1882	(async {
		1883	my $map = eval {
1820	my $map = cf::map::find $path->as_string;	1884	my $map = cf::map::find $path;
1821	$map = $map->customise_for ($self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1822		1886	$map
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	1887	} or
1824	# if $map;
1825
1826	$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);
1827		1889
1828	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1829	})->prio (1);	1891	})->prio (1);
1830	}	1892	}
1831		1893
…		…
1835		1897
1836	sub parse_random_map_params {	1898	sub parse_random_map_params {
1837	my ($spec) = @_;	1899	my ($spec) = @_;
1838		1900
1839	my $rmp = { # defaults	1901	my $rmp = { # defaults
1840	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1842	};	1906	};
1843		1907
1844	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1846		1910
…		…
1850	$rmp	1914	$rmp
1851	}	1915	}
1852		1916
1853	sub prepare_random_map {	1917	sub prepare_random_map {
1854	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1855		1921
1856	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1857	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1858	# that depends on the exit object	1924	# that depends on the exit object
1859		1925
1860	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1861		1927
1862	if ($exit->map) {	1928	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1867	}	1933	}
1868		1934
1869	$rmp->{random_seed} ||= $exit->random_seed;	1935	$rmp->{random_seed} ||= $exit->random_seed;
1870		1936
1871	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1872	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1873		1940
1874	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) {
1875	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;
1876		1945
1877	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	1947	$exit->msg (undef);
1879	}	1948	}
1880	}	1949	}
1881		1950
1882	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1884		1953
1885	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;
1886		1964
1887	$self->enter_link;	1965	$self->enter_link;
1888		1966
1889	(async {	1967	(async {
1890	$self->deactivate_recursive; # just to be sure	1968	$self->deactivate_recursive; # just to be sure
1891	unless (eval {	1969	unless (eval {
1892	prepare_random_map $exit	1970	$self->goto ($slaying, $hp, $sp);
1893	if $exit->slaying eq "/!";
1894
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897		1971
1898	1;	1972	1;
1899	}) {	1973	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1901	. "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. "
1902	. "Please report this to the dungeon master",	1976	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	1977	cf::NDI_UNIQUE | cf::NDI_RED);
1904		1978
1905	warn "ERROR in enter_exit: $@";	1979	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	1980	$self->leave_link;
1907	}	1981	}
…		…
1921		1995
1922	sub cf::client::send_drawinfo {	1996	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	1997	my ($self, $text, $flags) = @_;
1924		1998
1925	utf8::encode $text;	1999	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2001	}
1928		2002
1929		2003
1930	=item $success = $client->query ($flags, "text", \&cb)	2004	=item $success = $client->query ($flags, "text", \&cb)
1931		2005
…		…
1962	# get handled first	2036	# get handled first
1963	my $queue = delete $ns->{query_queue}	2037	my $queue = delete $ns->{query_queue}
1964	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
1965		2039
1966	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		2042
1968	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1969		2044
1970	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	2046	if (@$queue) {
…		…
2132	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
2133	using it, it should be unique.	2208	using it, it should be unique.
2134		2209
2135	=over 4	2210	=over 4
2136		2211
2137	=item $hashref = cf::db_get $family
2138
2139	Return a hashref for use by the extension C<$family>, which can be
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142
2143	=item $value = cf::db_get $family => $key	2212	=item $value = cf::db_get $family => $key
2144		2213
2145	Returns a single value from the database	2214	Returns a single value from the database.
2146
2147	=item cf::db_put $family => $hashref
2148
2149	Stores the given family hashref into the database. Updates are delayed, if
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151		2215
2152	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
2153		2217
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	Stores the given C<$value> in the family.
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164		2219
2165	=cut	2220	=cut
2166		2221
2167	our $DB;	2222	our $DB;
2168		2223
2169	{	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
2170	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;
2171		2243
2172	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
2173	$DB = stat $path ? Storable::retrieve $path : { };	2245	cf::db_put (guildrules => data => $pst->{guildrules});
2174	}	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
		2247	BDB::db_env_txn_checkpoint $DB_ENV;
2175		2248
2176	my $pid;	2249	unlink $path;
2177
2178	sub db_save() {
2179	waitpid $pid, 0 if $pid;
2180	if (0 == ($pid = fork)) {
2181	$DB->{_meta}{version} = 1;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}	2250	};
2186	}	2251	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});	2252	}
		2253	}
2198		2254
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}
2203
2204	sub db_get($;$) {	2255	sub db_get($$) {
2205	@_ >= 2	2256	my $key = "$_[0]/$_[1]";
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
2210	sub db_put($$;$) {	2266	sub db_put($$$) {
2211	if (@_ >= 3) {	2267	BDB::dbreq_pri 4;
2212	$DB->{$_[0]}{$_[1]} = $_[2];	2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2269	}
		2270
		2271	#############################################################################
		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}, $info->{chksum32};
		2291	Coro::cede;
		2292	}
		2293
		2294	while (my ($face, $info) = each %$faces) {
		2295	next unless $info->{smooth};
		2296	my $idx = cf::face::find $face
		2297	or next;
		2298	if (my $smooth = cf::face::find $info->{smooth}) {
		2299	cf::face::set_smooth $idx, $smooth;
		2300	warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#
2213	} else {	2301	} else {
2214	$DB->{$_[0]} = $_[1];	2302	warn "smooth face '$info->{smooth}' not found for face '$face'";
2215	}
2216	db_dirty;
2217	}
2218
2219	cf::global->attach (
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	2303	}
2224	);	2304	Coro::cede;
2225	}	2305	}
2226		2306
2227	#############################################################################	2307	1
2228	# the server's main()	2308	}
		2309
		2310	sub reload_resources {
		2311	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2312	or die "unable to load regions file\n";#d#
		2313	load_faces
		2314	or die "unable to load faces\n";#d#
		2315	}
		2316
		2317	sub init {
		2318	reload_resources;
		2319	}
2229		2320
2230	sub cfg_load {	2321	sub cfg_load {
2231	open my $fh, "<:utf8", cf::confdir . "/config"	2322	open my $fh, "<:utf8", cf::confdir . "/config"
2232	or return;	2323	or return;
2233		2324
…		…
2250		2341
2251	sub main {	2342	sub main {
2252	# we must not ever block the main coroutine	2343	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	2344	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2345	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2346	(async {
2255	async { Event::one_event };	2347	Event::one_event;
		2348	})->prio (Coro::PRIO_MAX);
2256	};	2349	};
2257		2350
2258	cfg_load;	2351	cfg_load;
2259	db_load;	2352	db_init;
2260	load_extensions;	2353	load_extensions;
		2354
		2355	$TICK_WATCHER->start;
2261	Event::loop;	2356	Event::loop;
2262	}	2357	}
2263		2358
2264	#############################################################################	2359	#############################################################################
2265	# initialisation and cleanup	2360	# initialisation and cleanup
2266		2361
2267	# install some emergency cleanup handlers	2362	# install some emergency cleanup handlers
2268	BEGIN {	2363	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	2364	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	2365	Event->signal (
		2366	reentrant => 0,
2271	data => WF_AUTOCANCEL,	2367	data => WF_AUTOCANCEL,
2272	signal => $signal,	2368	signal => $signal,
		2369	prio => 0,
2273	cb => sub {	2370	cb => sub {
2274	cf::cleanup "SIG$signal";	2371	cf::cleanup "SIG$signal";
2275	},	2372	},
2276	);	2373	);
2277	}	2374	}
2278	}	2375	}
…		…
2283	warn "enter emergency perl save\n";	2380	warn "enter emergency perl save\n";
2284		2381
2285	cf::sync_job {	2382	cf::sync_job {
2286	# use a peculiar iteration method to avoid tripping on perl	2383	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	2384	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	2385	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	2386	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	2387	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	2388	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	2389	$pl->valid or next;
2293	$pl->save;	2390	$pl->save;
…		…
2299	my $map = $cf::MAP{$path} or next;	2396	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	2397	$map->valid or next;
2301	$map->save;	2398	$map->save;
2302	}	2399	}
2303	warn "end emergency map save\n";	2400	warn "end emergency map save\n";
		2401
		2402	warn "begin emergency database checkpoint\n";
		2403	BDB::db_env_txn_checkpoint $DB_ENV;
		2404	warn "end emergency database checkpoint\n";
2304	};	2405	};
2305		2406
2306	warn "leave emergency perl save\n";	2407	warn "leave emergency perl save\n";
		2408	}
		2409
		2410	sub post_cleanup {
		2411	my ($make_core) = @_;
		2412
		2413	warn Carp::longmess "post_cleanup backtrace"
		2414	if $make_core;
2307	}	2415	}
2308		2416
2309	sub reload() {	2417	sub reload() {
2310	# can/must only be called in main	2418	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	2419	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	2420	warn "can only reload from main coroutine";
2313	return;	2421	return;
2314	}	2422	}
2315		2423
2316	warn "reloading...";	2424	warn "reloading...";
2317		2425
2318	my $guard = freeze_mainloop;	2426	warn "entering sync_job";
		2427
		2428	cf::sync_job {
		2429	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2430	cf::emergency_save;
		2431	cf::write_runtime; # external watchdog should not bark
2320		2432
2321	eval {	2433	warn "syncing database to disk";
		2434	BDB::db_env_txn_checkpoint $DB_ENV;
		2435
2322	# if anything goes wrong in here, we should simply crash as we already saved	2436	# if anything goes wrong in here, we should simply crash as we already saved
2323		2437
2324	# cancel all watchers	2438	warn "cancelling all WF_AUTOCANCEL watchers";
2325	for (Event::all_watchers) {	2439	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	2440	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}	2441	}
2328		2442
		2443	warn "flushing outstanding aio requests";
		2444	for (;;) {
		2445	BDB::flush;
		2446	IO::AIO::flush;
		2447	Coro::cede;
		2448	last unless IO::AIO::nreqs || BDB::nreqs;
		2449	warn "iterate...";
		2450	}
		2451
		2452	++$RELOAD;
		2453
2329	# cancel all extension coros	2454	warn "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	2455	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	2456	%EXT_CORO = ();
2332		2457
2333	# unload all extensions	2458	warn "removing commands";
2334	for (@exts) {	2459	%COMMAND = ();
		2460
		2461	warn "removing ext commands";
		2462	%EXTCMD = ();
		2463
		2464	warn "unloading/nuking all extensions";
		2465	for my $pkg (@EXTS) {
2335	warn "unloading <$_>";	2466	warn "... unloading $pkg";
2336	unload_extension $_;	2467
		2468	if (my $cb = $pkg->can ("unload")) {
		2469	eval {
		2470	$cb->($pkg);
		2471	1
		2472	} or warn "$pkg unloaded, but with errors: $@";
2337	}	2473	}
2338		2474
		2475	warn "... nuking $pkg";
		2476	Symbol::delete_package $pkg;
		2477	}
		2478
2339	# unload all modules loaded from $LIBDIR	2479	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	2480	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2481	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		2482
2343	warn "removing <$k>";	2483	warn "... unloading $k";
2344	delete $INC{$k};	2484	delete $INC{$k};
2345		2485
2346	$k =~ s/\.pm$//;	2486	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	2487	$k =~ s/\//::/g;
2348		2488
…		…
2351	}	2491	}
2352		2492
2353	Symbol::delete_package $k;	2493	Symbol::delete_package $k;
2354	}	2494	}
2355		2495
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	2496	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	2497	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2498	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		2499
2364	# remove register_script_function callbacks
2365	# TODO
2366
2367	# unload cf.pm "a bit"	2500	warn "unloading cf.pm \"a bit\"";
2368	delete $INC{"cf.pm"};	2501	delete $INC{"cf.pm"};
2369		2502
2370	# don't, removes xs symbols, too,	2503	# don't, removes xs symbols, too,
2371	# and global variables created in xs	2504	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	2505	#Symbol::delete_package __PACKAGE__;
2373		2506
2374	# reload cf.pm	2507	warn "unload completed, starting to reload now";
		2508
2375	warn "reloading cf.pm";	2509	warn "reloading cf.pm";
2376	require cf;	2510	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2511	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		2512
2379	# load config and database again	2513	warn "loading config and database again";
2380	cf::cfg_load;	2514	cf::cfg_load;
2381	cf::db_load;
2382		2515
2383	# load extensions
2384	warn "load extensions";	2516	warn "loading extensions";
2385	cf::load_extensions;	2517	cf::load_extensions;
2386		2518
2387	# reattach attachments to objects	2519	warn "reattaching attachments to objects/players";
2388	warn "reattach";	2520	_global_reattach; # objects, sockets
2389	_global_reattach;	2521	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	2522	reattach $_ for values %MAP;
2391	};	2523	warn "reattaching attachments to players";
		2524	reattach $_ for values %PLAYER;
2392		2525
2393	if ($@) {	2526	warn "loading reloadable resources";
		2527	reload_resources;
		2528
		2529	warn "leaving sync_job";
		2530
		2531	1
		2532	} or do {
2394	warn $@;	2533	warn $@;
2395	warn "error while reloading, exiting.";	2534	warn "error while reloading, exiting.";
2396	exit 1;	2535	exit 1;
2397	}	2536	};
2398		2537
2399	warn "reloaded successfully";	2538	warn "reloaded";
2400	};	2539	};
2401		2540
2402	#############################################################################	2541	our $RELOAD_WATCHER; # used only during reload
2403
2404	unless ($LINK_MAP) {
2405	$LINK_MAP = cf::map::new;
2406
2407	$LINK_MAP->width (41);
2408	$LINK_MAP->height (41);
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,
2417	cb => sub {
2418	$_[0]->w->cancel;
2419
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});
2438
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}
2444
2445	register "<global>", __PACKAGE__;
2446		2542
2447	register_command "reload" => sub {	2543	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	2544	my ($who, $arg) = @_;
2449		2545
2450	if ($who->flag (FLAG_WIZ)) {	2546	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");	2547	$who->message ("reloading server.");
		2548
		2549	# doing reload synchronously and two reloads happen back-to-back,
		2550	# coro crashes during coro_state_free->destroy here.
		2551
		2552	$RELOAD_WATCHER ||= Event->timer (
		2553	reentrant => 0,
		2554	after => 0,
		2555	data => WF_AUTOCANCEL,
		2556	cb => sub {
2452	reload;	2557	reload;
2453	$who->message ("end of reload.");	2558	undef $RELOAD_WATCHER;
		2559	},
		2560	);
2454	}	2561	}
2455	};	2562	};
2456		2563
2457	unshift @INC, $LIBDIR;	2564	unshift @INC, $LIBDIR;
		2565
		2566	my $bug_warning = 0;
2458		2567
2459	$TICK_WATCHER = Event->timer (	2568	$TICK_WATCHER = Event->timer (
2460	reentrant => 0,	2569	reentrant => 0,
		2570	parked => 1,
2461	prio => 0,	2571	prio => 0,
2462	at => $NEXT_TICK || $TICK,	2572	at => $NEXT_TICK || $TICK,
2463	data => WF_AUTOCANCEL,	2573	data => WF_AUTOCANCEL,
2464	cb => sub {	2574	cb => sub {
		2575	if ($Coro::current != $Coro::main) {
		2576	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2577	unless ++$bug_warning > 10;
		2578	return;
		2579	}
		2580
		2581	$NOW = Event::time;
		2582
2465	cf::server_tick; # one server iteration	2583	cf::server_tick; # one server iteration
2466	$RUNTIME += $TICK;	2584	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;	2585	$NEXT_TICK += $TICK;
2468		2586
		2587	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2588	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2589	Coro::async_pool {
		2590	write_runtime
		2591	or warn "ERROR: unable to write runtime file: $!";
		2592	};
		2593	}
		2594
2469	$WAIT_FOR_TICK->broadcast;	2595	$WAIT_FOR_TICK->broadcast;
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2596	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2597
		2598	# my $AFTER = Event::time;
		2599	# warn $AFTER - $NOW;#d#
2471		2600
2472	# if we are delayed by four ticks or more, skip them all	2601	# if we are delayed by four ticks or more, skip them all
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2602	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2474		2603
2475	$TICK_WATCHER->at ($NEXT_TICK);	2604	$TICK_WATCHER->at ($NEXT_TICK);
2476	$TICK_WATCHER->start;	2605	$TICK_WATCHER->start;
2477	},	2606	},
2478	);	2607	);
2479		2608
		2609	{
2480	IO::AIO::max_poll_time $TICK * 0.2;	2610	BDB::max_poll_time $TICK * 0.1;
2481		2611	$BDB_POLL_WATCHER = Event->io (
2482	Event->io (	2612	reentrant => 0,
2483	fd => IO::AIO::poll_fileno,	2613	fd => BDB::poll_fileno,
2484	poll => 'r',	2614	poll => 'r',
2485	prio => 5,	2615	prio => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,	2616	data => WF_AUTOCANCEL,
2492	after => 0,	2617	cb => \&BDB::poll_cb,
2493	interval => 10,	2618	);
2494	cb => sub {	2619	BDB::min_parallel 8;
2495	(Coro::unblock_sub {	2620
2496	write_runtime	2621	BDB::set_sync_prepare {
2497	or warn "ERROR: unable to write runtime file: $!";	2622	my $status;
		2623	my $current = $Coro::current;
		2624	(
		2625	sub {
		2626	$status = $!;
		2627	$current->ready; undef $current;
		2628	},
		2629	sub {
		2630	Coro::schedule while defined $current;
		2631	$! = $status;
		2632	},
		2633	)
		2634	};
		2635
		2636	unless ($DB_ENV) {
		2637	$DB_ENV = BDB::db_env_create;
		2638
		2639	cf::sync_job {
		2640	eval {
		2641	BDB::db_env_open
		2642	$DB_ENV,
		2643	$BDB_ENV_DIR,
		2644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2646	0666;
		2647
		2648	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2649
		2650	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2651	$DB_ENV->set_lk_detect;
		2652	};
		2653
		2654	cf::cleanup "db_env_open(db): $@" if $@;
2498	})->();	2655	};
2499	},	2656	}
2500	);	2657	}
		2658
		2659	{
		2660	IO::AIO::min_parallel 8;
		2661
		2662	undef $Coro::AIO::WATCHER;
		2663	IO::AIO::max_poll_time $TICK * 0.1;
		2664	$AIO_POLL_WATCHER = Event->io (
		2665	reentrant => 0,
		2666	data => WF_AUTOCANCEL,
		2667	fd => IO::AIO::poll_fileno,
		2668	poll => 'r',
		2669	prio => 6,
		2670	cb => \&IO::AIO::poll_cb,
		2671	);
		2672	}
2501		2673
2502	END { cf::emergency_save }	2674	END { cf::emergency_save }
2503		2675
2504	1	2676	1
2505		2677

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