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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
20	use Data::Dumper;	24	use Data::Dumper;
21	use Digest::MD5;	25	use Digest::MD5;
22	use Fcntl;	26	use Fcntl;
		27	use YAML::Syck ();
23	use IO::AIO 2.32 ();	28	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
26		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		39
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
33		42
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		44
		45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		46
36	our %COMMAND = ();	47	our %COMMAND = ();
37	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
39		54
		55	our $RELOAD; # number of reloads so far
40	our @EVENT;	56	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
42		58
43	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6;
44	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	63	our $NEXT_TICK;
46	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
47		69
48	our %CFG;	70	our %CFG;
49		71
50	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	73	our $RUNTIME;
52		74
53	our %PLAYER; # all users	75	our %PLAYER; # all users
54	our %MAP; # all maps	76	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	79	our $BDB_ENV_DIR = cf::localdir . "/db";
58		80
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		83
		84	# used to convert map paths into valid unix filenames by replacing / by ∕
		85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61		86
62	binmode STDOUT;	87	binmode STDOUT;
63	binmode STDERR;	88	binmode STDERR;
64		89
65	# read virtual server time, if available	90	# read virtual server time, if available
…		…
72	mkdir cf::localdir;	97	mkdir cf::localdir;
73	mkdir cf::localdir . "/" . cf::playerdir;	98	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;	99	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;	100	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;	101	mkdir $RANDOM_MAPS;
		102	mkdir $BDB_ENV_DIR;
77		103
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	104	our $EMERGENCY_POSITION;
		105
		106	sub cf::map::normalise;
81		107
82	#############################################################################	108	#############################################################################
83		109
84	=head2 GLOBAL VARIABLES	110	=head2 GLOBAL VARIABLES
85		111
…		…
156	}	182	}
157		183
158	$Event::DIED = sub {	184	$Event::DIED = sub {
159	warn "error in event callback: @_";	185	warn "error in event callback: @_";
160	};	186	};
161
162	my %ext_pkg;
163	my @exts;
164	my @hook;
165		187
166	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
167		189
168	=over 4	190	=over 4
169		191
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	211	$d
190	} || "[unable to dump $_[0]: '$@']";	212	} || "[unable to dump $_[0]: '$@']";
191	}	213	}
192		214
193	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194		216
195	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
196		218
197	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
198		220
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
207		222
208	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		224
217	=item cf::lock_wait $string	225	=item cf::lock_wait $string
218		226
219	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
220		228
…		…
257	}	265	}
258		266
259	sub freeze_mainloop {	267	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
261		269
262	my $guard = Coro::guard { $TICK_WATCHER->start };	270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
263	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
264	$guard	274	$guard
265	}	275	}
266		276
267	=item cf::async { BLOCK }	277	=item cf::async { BLOCK }
…		…
319	}	329	}
320	}	330	}
321		331
322	=item $coro = cf::async_ext { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
323		333
324	Like async, but this coro is automcatially being canceled when the	334	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	335	extension calling this is being unloaded.
326		336
327	=cut	337	=cut
328		338
329	sub async_ext(&) {	339	sub async_ext(&) {
…		…
338		348
339	$coro	349	$coro
340	}	350	}
341		351
342	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
343	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
344		356
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	358	or return;
347		359
		360	my $value = $cf::RUNTIME + 90 + 10;
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	365	and return;
351		366
		367	# always fsync - this file is important
352	aio_fsync $fh	368	aio_fsync $fh
353	and return;	369	and return;
354		370
355	close $fh	371	close $fh
356	or return;	372	or return;
…		…
359	and return;	375	and return;
360		376
361	1	377	1
362	}	378	}
363		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
364	=back	391	=back
365		392
366	=cut	393	=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		394
490	#############################################################################	395	#############################################################################
491		396
492	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
493		398
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	525	our @CB_MAP = ();
621		526
622	my %attachment;	527	my %attachment;
623		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
624	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
626		537
627	use sort 'stable';	538	use sort 'stable';
628		539
…		…
799	# object support	710	# object support
800		711
801	sub reattach {	712	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		717
805	my $registry = $obj->registry;	718	my $registry = $obj->registry;
806		719
807	@$registry = ();	720	@$registry = ();
808		721
…		…
855	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
856		769
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	774	close $fh;
862		775
863	if (@$objs) {	776	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	782	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
871	}	784	}
872	} else {	785	} else {
873	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
940	=cut	853	=cut
941		854
942	sub register_extcmd {	855	sub register_extcmd {
943	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
944		857
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
949	}	859	}
950		860
951	cf::player->attach (	861	cf::player->attach (
952	on_command => sub {	862	on_command => sub {
953	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
966		876
967	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
968		878
969	if (ref $msg) {	879	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	883	}
974	}	884	}
975	} else {	885	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		888
979	cf::override;	889	cf::override;
980	},	890	},
981	);	891	);
982		892
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	893	sub load_extension {
990	my ($path) = @_;	894	my ($path) = @_;
991		895
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;	897	my $base = $1;
994	my $pkg = $1;	898	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
997		901
998	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
999		903
1000	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
1001	or die "$path: $!";	905	or die "$path: $!";
1002		906
1003	my $source =	907	my $source =
1004	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
1007	. "\n};\n1";	911	. "\n};\n1";
1008		912
1009	eval $source	913	unless (eval $source) {
1010	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
1011	: "extension disabled.\n";	915	: "extension disabled.\n";
1012		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013	push @exts, $pkg;	917	warn $@;
1014	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
1015		919	exit 1;
1016	# no strict 'refs';	920	}
1017	# @{"$pkg\::ISA"} = ext::;	921	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	# }	922	}
1032		923
1033	# remove commands	924	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	}	925	}
1058		926
1059	sub load_extensions {	927	sub load_extensions {
1060	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	929	next unless -r $ext;
…		…
1065	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1066	}	934	}
1067	}	935	}
1068		936
1069	#############################################################################	937	#############################################################################
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		938
1085	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1086		940
1087	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1088		942
…		…
1111	}	965	}
1112		966
1113	sub path($) {	967	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		969
1116	(playerdir $login) . "/$login.pl"	970	(playerdir $login) . "/playerdata"
1117	}	971	}
1118		972
1119	sub find_active($) {	973	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	974	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	975	and $cf::PLAYER{$_[0]}->active
…		…
1124		978
1125	sub exists($) {	979	sub exists($) {
1126	my ($login) = @_;	980	my ($login) = @_;
1127		981
1128	$cf::PLAYER{$login}	982	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	983	or cf::sync_job { !aio_stat path $login }
1130	}	984	}
1131		985
1132	sub find($) {	986	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	987	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	988	my $login = $_[0];
1135		989
1136	my $guard = cf::lock_acquire "user_find:$login";	990	my $guard = cf::lock_acquire "user_find:$login";
1137		991
1138	$cf::PLAYER{$_[0]} || do {	992	$cf::PLAYER{$_[0]} || do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
1139	my $pl = load_pl path $login	1000	my $pl = load_pl path $login
1140	or return;	1001	or return;
1141	$cf::PLAYER{$login} = $pl	1002	$cf::PLAYER{$login} = $pl
1142	}	1003	}
1143	}	1004	}
…		…
1180		1041
1181	=cut	1042	=cut
1182		1043
1183	sub quit_character {	1044	sub quit_character {
1184	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1185		1048
1186	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1050	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1051
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1059	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
1199	IO::AIO::aio_rmtree $temp;	1068	IO::AIO::aio_rmtree $temp;
		1069	}
		1070
		1071	=item $pl->kick
		1072
		1073	Kicks a player out of the game. This destroys the connection.
		1074
		1075	=cut
		1076
		1077	sub kick {
		1078	my ($pl, $kicker) = @_;
		1079
		1080	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1081	$pl->killer ("kicked");
		1082	$pl->ns->destroy;
1200	}	1083	}
1201		1084
1202	=item cf::player::list_logins	1085	=item cf::player::list_logins
1203		1086
1204	Returns am arrayref of all valid playernames in the system, can take a	1087	Returns am arrayref of all valid playernames in the system, can take a
…		…
1224	\@logins	1107	\@logins
1225	}	1108	}
1226		1109
1227	=item $player->maps	1110	=item $player->maps
1228		1111
1229	Returns an arrayref of cf::path's of all maps that are private for this	1112	Returns an arrayref of map paths that are private for this
1230	player. May block.	1113	player. May block.
1231		1114
1232	=cut	1115	=cut
1233		1116
1234	sub maps($) {	1117	sub maps($) {
1235	my ($pl) = @_;	1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1121
1237	my $files = aio_readdir playerdir $pl	1122	my $files = aio_readdir playerdir $pl
1238	or return;	1123	or return;
1239		1124
1240	my @paths;	1125	my @paths;
1241		1126
1242	for (@$files) {	1127	for (@$files) {
1243	utf8::decode $_;	1128	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1129	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1130	next unless /^$PATH_SEP/o;
1246		1131
1247	s/$PATH_SEP/\//g;	1132	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1133	}
1250		1134
1251	\@paths	1135	\@paths
1252	}	1136	}
1253		1137
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1255		1139
1256	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1257		1141
1258	=cut	1142	=cut
1259		1143
1260	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1262		1146
1263	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1264		1148
1265	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
1266	}	1162	}
1267		1163
1268	package cf;	1164	package cf;
1269		1165
1270	=back	1166	=back
…		…
1279	package cf::map;	1175	package cf::map;
1280		1176
1281	use Fcntl;	1177	use Fcntl;
1282	use Coro::AIO;	1178	use Coro::AIO;
1283		1179
		1180	use overload
		1181	'""' => \&as_string,
		1182	fallback => 1;
		1183
1284	our $MAX_RESET = 3600;	1184	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1185	our $DEFAULT_RESET = 3000;
1286		1186
1287	sub generate_random_map {	1187	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1188	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1189	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1190	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1194	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1195	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1196	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1197	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1198	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1199	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1200	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1201	(cf::region::find $rmp->{region}), $rmp->{custom}
		1202	)
		1203	}
		1204
		1205	=item cf::map->register ($regex, $prio)
		1206
		1207	Register a handler for the map path matching the given regex at the
		1208	givne priority (higher is better, built-in handlers have priority 0, the
		1209	default).
		1210
		1211	=cut
		1212
		1213	sub register {
		1214	my (undef, $regex, $prio) = @_;
		1215	my $pkg = caller;
		1216
		1217	no strict;
		1218	push @{"$pkg\::ISA"}, __PACKAGE__;
		1219
		1220	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1221	}
		1222
		1223	# also paths starting with '/'
		1224	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1225
		1226	sub thawer_merge {
		1227	my ($self, $merge) = @_;
		1228
		1229	# we have to keep some variables in memory intact
		1230	local $self->{path};
		1231	local $self->{load_path};
		1232	local $self->{deny_save};
		1233	local $self->{deny_reset};
		1234
		1235	$self->SUPER::thawer_merge ($merge);
		1236	}
		1237
		1238	sub normalise {
		1239	my ($path, $base) = @_;
		1240
		1241	$path = "$path"; # make sure its a string
		1242
		1243	$path =~ s/\.map$//;
		1244
		1245	# map plan:
		1246	#
		1247	# /! non-realised random map exit (special hack!)
		1248	# {... are special paths that are not being touched
		1249	# ?xxx/... are special absolute paths
		1250	# ?random/... random maps
		1251	# /... normal maps
		1252	# ~user/... per-player map of a specific user
		1253
		1254	$path =~ s/$PATH_SEP/\//go;
		1255
		1256	# treat it as relative path if it starts with
		1257	# something that looks reasonable
		1258	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1259	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1260
		1261	$base =~ s{[^/]+/?$}{};
		1262	$path = "$base/$path";
		1263	}
		1264
		1265	for ($path) {
		1266	redo if s{//}{/};
		1267	redo if s{/\.?/}{/};
		1268	redo if s{/[^/]+/\.\./}{/};
		1269	}
		1270
		1271	$path
		1272	}
		1273
		1274	sub new_from_path {
		1275	my (undef, $path, $base) = @_;
		1276
		1277	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1278
		1279	$path = normalise $path, $base;
		1280
		1281	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1282	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1283	my $self = bless cf::map::new, $pkg;
		1284	$self->{path} = $path; $self->path ($path);
		1285	$self->init; # pass $1 etc.
		1286	return $self;
		1287	}
		1288	}
		1289
		1290	Carp::carp "unable to resolve path '$path' (base '$base').";
		1291	()
		1292	}
		1293
		1294	sub init {
		1295	my ($self) = @_;
		1296
		1297	$self
		1298	}
		1299
		1300	sub as_string {
		1301	my ($self) = @_;
		1302
		1303	"$self->{path}"
		1304	}
		1305
		1306	# the displayed name, this is a one way mapping
		1307	sub visible_name {
		1308	&as_string
		1309	}
		1310
		1311	# the original (read-only) location
		1312	sub load_path {
		1313	my ($self) = @_;
		1314
		1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1316	}
		1317
		1318	# the temporary/swap location
		1319	sub save_path {
		1320	my ($self) = @_;
		1321
		1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1324	}
		1325
		1326	# the unique path, undef == no special unique path
		1327	sub uniq_path {
		1328	my ($self) = @_;
		1329
		1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1304	}	1332	}
1305		1333
1306	# and all this just because we cannot iterate over	1334	# and all this just because we cannot iterate over
1307	# all maps in C++...	1335	# all maps in C++...
1308	sub change_all_map_light {	1336	sub change_all_map_light {
…		…
1310		1338
1311	$_->change_map_light ($change)	1339	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1340	for grep $_->outdoor, values %cf::MAP;
1313	}	1341	}
1314		1342
		1343	sub unlink_save {
		1344	my ($self) = @_;
		1345
		1346	utf8::encode (my $save = $self->save_path);
		1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1348	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1349	}
		1350
1315	sub try_load_header($) {	1351	sub load_header_from($) {
1316	my ($path) = @_;	1352	my ($self, $path) = @_;
1317		1353
1318	utf8::encode $path;	1354	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1355	#aio_open $path, O_RDONLY, 0
		1356	# or return;
		1357
		1358	$self->_load_header ($path)
1320	or return;	1359	or return;
1321		1360
1322	my $map = cf::map::new	1361	$self->{load_path} = $path;
		1362
		1363	1
		1364	}
		1365
		1366	sub load_header_orig {
		1367	my ($self) = @_;
		1368
		1369	$self->load_header_from ($self->load_path)
		1370	}
		1371
		1372	sub load_header_temp {
		1373	my ($self) = @_;
		1374
		1375	$self->load_header_from ($self->save_path)
		1376	}
		1377
		1378	sub prepare_temp {
		1379	my ($self) = @_;
		1380
		1381	$self->last_access ((delete $self->{last_access})
		1382	|| $cf::RUNTIME); #d#
		1383	# safety
		1384	$self->{instantiate_time} = $cf::RUNTIME
		1385	if $self->{instantiate_time} > $cf::RUNTIME;
		1386	}
		1387
		1388	sub prepare_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->{load_original} = 1;
		1392	$self->{instantiate_time} = $cf::RUNTIME;
		1393	$self->last_access ($cf::RUNTIME);
		1394	$self->instantiate;
		1395	}
		1396
		1397	sub load_header {
		1398	my ($self) = @_;
		1399
		1400	if ($self->load_header_temp) {
		1401	$self->prepare_temp;
		1402	} else {
		1403	$self->load_header_orig
1323	or return;	1404	or return;
		1405	$self->prepare_orig;
		1406	}
1324		1407
1325	# for better error messages only, will be overwritten	1408	1
1326	$map->path ($path);
1327
1328	$map->load_header ($path)
1329	or return;
1330
1331	$map->{load_path} = $path;
1332
1333	$map
1334	}	1409	}
1335		1410
1336	sub find;	1411	sub find;
1337	sub find {	1412	sub find {
1338	my ($path, $origin) = @_;	1413	my ($path, $origin) = @_;
1339		1414
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1415	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1416
1345	cf::lock_wait "map_find:$key";	1417	cf::lock_wait "map_find:$path";
1346		1418
1347	$cf::MAP{$key} || do {	1419	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1420	my $guard = cf::lock_acquire "map_find:$path";
1349		1421	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;	1422	or return;
1369		1423
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;	1424	$map->{last_save} = $cf::RUNTIME;
1382		1425
1383	Coro::cede;	1426	$map->load_header
		1427	or return;
1384		1428
1385	if ($map->should_reset) {	1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1430	# doing this can freeze the server in a sync job, obviously
		1431	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1432	$map->reset;
1387	undef $guard;	1433	undef $guard;
1388	$map = find $path	1434	return find $path;
1389	or return;
1390	}	1435	}
1391		1436
1392	$cf::MAP{$key} = $map	1437	$cf::MAP{$path} = $map
1393	}	1438	}
1394	}	1439	}
		1440
		1441	sub pre_load { }
		1442	sub post_load { }
1395		1443
1396	sub load {	1444	sub load {
1397	my ($self) = @_;	1445	my ($self) = @_;
1398		1446
		1447	local $self->{deny_reset} = 1; # loading can take a long time
		1448
1399	my $path = $self->{path};	1449	my $path = $self->{path};
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1450	my $guard = cf::lock_acquire "map_load:$path";
1401		1451
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1452	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1453
1404	$self->in_memory (cf::MAP_LOADING);	1454	$self->in_memory (cf::MAP_LOADING);
1405		1455
1406	$self->alloc;	1456	$self->alloc;
		1457
		1458	$self->pre_load;
		1459
1407	$self->load_objects ($self->{load_path}, 1)	1460	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1461	or return;
1409		1462
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1464	if delete $self->{load_original};
1412		1465
1413	if (my $uniq = $path->uniq_path) {	1466	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1467	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1468	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1469	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1470	$self->_load_objects ($uniq, 0);
1418	}	1471	}
1419	}	1472	}
1420		1473
1421	Coro::cede;	1474	Coro::cede;
1422		1475
1423	# now do the right thing for maps	1476	# now do the right thing for maps
1424	$self->link_multipart_objects;	1477	$self->link_multipart_objects;
1425		1478
1426	if ($self->{path}->is_style_map) {	1479	unless ($self->{deny_activate}) {
1427	$self->{deny_save} = 1;	1480	$self->decay_objects;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;	1481	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;	1482	$self->update_buttons;
		1483	Coro::cede;
1433	$self->set_darkness_map;	1484	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1485	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1486	unless $self->difficulty;
		1487	Coro::cede;
1436	$self->activate;	1488	$self->activate;
1437	}	1489	}
1438		1490
1439	Coro::cede;	1491	$self->post_load;
1440		1492
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1493	$self->in_memory (cf::MAP_IN_MEMORY);
		1494	}
		1495
		1496	sub customise_for {
		1497	my ($self, $ob) = @_;
		1498
		1499	return find "~" . $ob->name . "/" . $self->{path}
		1500	if $self->per_player;
		1501
		1502	$self
1442	}	1503	}
1443		1504
1444	# find and load all maps in the 3x3 area around a map	1505	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	1506	sub load_diag {
1446	my ($map) = @_;	1507	my ($map) = @_;
…		…
1476		1537
1477	cf::sync_job { $map->load };	1538	cf::sync_job { $map->load };
1478	}	1539	}
1479		1540
1480	our %MAP_PREFETCH;	1541	our %MAP_PREFETCH;
1481	our $MAP_PREFETCHER = Coro::async {	1542	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	$map->load;
1491	}
1492	Coro::schedule;
1493	}
1494	};
1495		1543
1496	sub find_async {	1544	sub find_async {
1497	my ($path, $origin) = @_;	1545	my ($path, $origin) = @_;
1498		1546
1499	$path = new cf::path $path, $origin && $origin->path;	1547	$path = normalise $path, $origin && $origin->{path};
1500	my $key = $path->as_string;
1501		1548
1502	if (my $map = $cf::MAP{$key}) {	1549	if (my $map = $cf::MAP{$path}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}	1551	}
1505		1552
1506	$MAP_PREFETCH{$key} = $path;	1553	undef $MAP_PREFETCH{$path};
		1554	$MAP_PREFETCHER ||= cf::async {
		1555	while (%MAP_PREFETCH) {
		1556	for my $path (keys %MAP_PREFETCH) {
		1557	my $map = find $path
		1558	or next;
		1559	$map->load;
		1560
		1561	delete $MAP_PREFETCH{$path};
		1562	}
		1563	}
		1564	undef $MAP_PREFETCHER;
		1565	};
1507	$MAP_PREFETCHER->ready;	1566	$MAP_PREFETCHER->prio (6);
1508		1567
1509	()	1568	()
1510	}	1569	}
1511		1570
1512	sub save {	1571	sub save {
…		…
1516		1575
1517	$self->{last_save} = $cf::RUNTIME;	1576	$self->{last_save} = $cf::RUNTIME;
1518		1577
1519	return unless $self->dirty;	1578	return unless $self->dirty;
1520		1579
1521	my $save = $self->{path}->save_path; utf8::encode $save;	1580	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1581	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		1582
1524	$self->{load_path} = $save;	1583	$self->{load_path} = $save;
1525		1584
1526	return if $self->{deny_save};	1585	return if $self->{deny_save};
1527		1586
…		…
1530	cf::async {	1589	cf::async {
1531	$_->contr->save for $self->players;	1590	$_->contr->save for $self->players;
1532	};	1591	};
1533		1592
1534	if ($uniq) {	1593	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	1596	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1597	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	1598	}
1540	}	1599	}
1541		1600
1542	sub swap_out {	1601	sub swap_out {
1543	my ($self) = @_;	1602	my ($self) = @_;
…		…
1557		1616
1558	sub reset_at {	1617	sub reset_at {
1559	my ($self) = @_;	1618	my ($self) = @_;
1560		1619
1561	# TODO: safety, remove and allow resettable per-player maps	1620	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};	1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	1622	return 1e99 if $self->{deny_reset};
1564		1623
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		1626
…		…
1572	my ($self) = @_;	1631	my ($self) = @_;
1573		1632
1574	$self->reset_at <= $cf::RUNTIME	1633	$self->reset_at <= $cf::RUNTIME
1575	}	1634	}
1576		1635
1577	sub unlink_save {
1578	my ($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	$self->save;
1596	}
1597
1598	sub reset {	1636	sub reset {
1599	my ($self) = @_;	1637	my ($self) = @_;
1600		1638
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	1639	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		1640
1603	return if $self->players;	1641	return if $self->players;
1604	return if $self->{path}{user_rel};#d#	1642	return if $self->isa ("ext::map_per_player");#d#
1605		1643
1606	warn "resetting map ", $self->path;#d#	1644	warn "resetting map ", $self->path;#d#
1607		1645
		1646	$self->in_memory (cf::MAP_SWAPPED);
		1647
		1648	# need to save uniques path
		1649	unless ($self->{deny_save}) {
		1650	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1651
		1652	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1653	if $uniq;
		1654	}
		1655
1608	delete $cf::MAP{$self->path};	1656	delete $cf::MAP{$self->path};
		1657
		1658	$self->clear;
1609		1659
1610	$_->clear_links_to ($self) for values %cf::MAP;	1660	$_->clear_links_to ($self) for values %cf::MAP;
1611		1661
1612	$self->unlink_save;	1662	$self->unlink_save;
1613	$self->destroy;	1663	$self->destroy;
…		…
1616	my $nuke_counter = "aaaa";	1666	my $nuke_counter = "aaaa";
1617		1667
1618	sub nuke {	1668	sub nuke {
1619	my ($self) = @_;	1669	my ($self) = @_;
1620		1670
		1671	delete $cf::MAP{$self->path};
		1672
		1673	$self->unlink_save;
		1674
		1675	bless $self, "cf::map";
		1676	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	1677	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	1678	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1680
		1681	$cf::MAP{$self->path} = $self;
		1682
1624	$self->reset; # polite request, might not happen	1683	$self->reset; # polite request, might not happen
1625	}	1684	}
1626		1685
1627	sub customise_for {	1686	=item cf::map::unique_maps
1628	my ($map, $ob) = @_;
1629		1687
1630	if ($map->per_player) {	1688	Returns an arrayref of paths of all shared maps that have
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1689	instantiated unique items. May block.
1632	}
1633		1690
1634	$map	1691	=cut
		1692
		1693	sub unique_maps() {
		1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1695	or return;
		1696
		1697	my @paths;
		1698
		1699	for (@$files) {
		1700	utf8::decode $_;
		1701	next if /\.pst$/;
		1702	next unless /^$PATH_SEP/o;
		1703
		1704	push @paths, cf::map::normalise $_;
		1705	}
		1706
		1707	\@paths
1635	}	1708	}
1636		1709
1637	package cf;	1710	package cf;
1638		1711
1639	=back	1712	=back
…		…
1711		1784
1712	=item $player_object->enter_link	1785	=item $player_object->enter_link
1713		1786
1714	Freezes the player and moves him/her to a special map (C<{link}>).	1787	Freezes the player and moves him/her to a special map (C<{link}>).
1715		1788
1716	The player should be reaosnably safe there for short amounts of time. You	1789	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	1790	I<MUST> call C<leave_link> as soon as possible, though.
1718		1791
		1792	Will never block.
		1793
1719	=item $player_object->leave_link ($map, $x, $y)	1794	=item $player_object->leave_link ($map, $x, $y)
1720		1795
1721	Moves the player out of the specila link map onto the given map. If the	1796	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	1797	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	1798	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	1799	fails, to the emergency map position.
1725		1800
1726	Might block.	1801	Might block.
1727		1802
1728	=cut	1803	=cut
		1804
		1805	sub link_map {
		1806	unless ($LINK_MAP) {
		1807	$LINK_MAP = cf::map::find "{link}"
		1808	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1809	$LINK_MAP->load;
		1810	}
		1811
		1812	$LINK_MAP
		1813	}
1729		1814
1730	sub cf::object::player::enter_link {	1815	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1816	my ($self) = @_;
1732		1817
1733	$self->deactivate_recursive;	1818	$self->deactivate_recursive;
1734		1819
1735	return if $self->map == $LINK_MAP;	1820	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1821
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1823	if $self->map;
1739		1824
1740	$self->enter_map ($LINK_MAP, 20, 20);	1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1826	}
1742		1827
1743	sub cf::object::player::leave_link {	1828	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1829	my ($self, $map, $x, $y) = @_;
1745		1830
…		…
1767	$map->load;	1852	$map->load;
1768	$map->load_diag;	1853	$map->load_diag;
1769		1854
1770	return unless $self->contr->active;	1855	return unless $self->contr->active;
1771	$self->activate_recursive;	1856	$self->activate_recursive;
		1857
		1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	1859	$self->enter_map ($map, $x, $y);
1773	}	1860	}
1774		1861
1775	cf::player->attach (	1862	cf::player->attach (
1776	on_logout => sub {	1863	on_logout => sub {
…		…
1789	# try to abort aborted map switching on player login :)	1876	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes	1877	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {	1878	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;	1879	$pl->ob->enter_link;
1793	(async {	1880	(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,	1881	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "	1882	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",	1883	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);	1884	cf::NDI_RED);
		1885	# we need this sleep as the login has a concurrent enter_exit running
		1886	# and this sleep increases chances of the player not ending up in scorn
1800	Coro::Timer::sleep 1;	1887	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;	1888	$pl->ob->leave_link;
1802	})->prio (2);	1889	})->prio (2);
1803	}	1890	}
1804	},	1891	},
…		…
1809	=cut	1896	=cut
1810		1897
1811	sub cf::object::player::goto {	1898	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	1899	my ($self, $path, $x, $y) = @_;
1813		1900
1814	$path = new cf::path $path;
1815	$path ne "/" or Carp::cluck ("oy");#d#
1816
1817	$self->enter_link;	1901	$self->enter_link;
1818		1902
1819	(async {	1903	(async {
		1904	my $map = eval {
1820	my $map = cf::map::find $path->as_string;	1905	my $map = cf::map::find $path;
1821	$map = $map->customise_for ($self) if $map;	1906	$map = $map->customise_for ($self) if $map;
1822		1907	$map
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	1908	} or
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1827		1910
1828	$self->leave_link ($map, $x, $y);	1911	$self->leave_link ($map, $x, $y);
1829	})->prio (1);	1912	})->prio (1);
1830	}	1913	}
1831		1914
…		…
1835		1918
1836	sub parse_random_map_params {	1919	sub parse_random_map_params {
1837	my ($spec) = @_;	1920	my ($spec) = @_;
1838		1921
1839	my $rmp = { # defaults	1922	my $rmp = { # defaults
1840	xsize => 10,	1923	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	1924	ysize => (cf::rndm 15, 40),
		1925	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1926	#layout => string,
1842	};	1927	};
1843		1928
1844	for (split /\n/, $spec) {	1929	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	1930	my ($k, $v) = split /\s+/, $_, 2;
1846		1931
…		…
1850	$rmp	1935	$rmp
1851	}	1936	}
1852		1937
1853	sub prepare_random_map {	1938	sub prepare_random_map {
1854	my ($exit) = @_;	1939	my ($exit) = @_;
		1940
		1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1855		1942
1856	# all this does is basically replace the /! path by	1943	# all this does is basically replace the /! path by
1857	# a new random map path (?random/...) with a seed	1944	# a new random map path (?random/...) with a seed
1858	# that depends on the exit object	1945	# that depends on the exit object
1859		1946
1860	my $rmp = parse_random_map_params $exit->msg;	1947	my $rmp = parse_random_map_params $exit->msg;
1861		1948
1862	if ($exit->map) {	1949	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	1950	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	1951	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	1952	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	1953	$rmp->{origin_y} = $exit->y;
1867	}	1954	}
1868		1955
1869	$rmp->{random_seed} ||= $exit->random_seed;	1956	$rmp->{random_seed} ||= $exit->random_seed;
1870		1957
1871	my $data = cf::to_json $rmp;	1958	my $data = cf::to_json $rmp;
1872	my $md5 = Digest::MD5::md5_hex $data;	1959	my $md5 = Digest::MD5::md5_hex $data;
		1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1873		1961
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	1963	aio_write $fh, 0, (length $data), $data, 0;
		1964	undef $fh;
		1965	aio_rename "$meta~", $meta;
1876		1966
1877	$exit->slaying ("?random/$md5");	1967	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	1968	$exit->msg (undef);
1879	}	1969	}
1880	}	1970	}
1881		1971
1882	sub cf::object::player::enter_exit {	1972	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	1973	my ($self, $exit) = @_;
1884		1974
1885	return unless $self->type == cf::PLAYER;	1975	return unless $self->type == cf::PLAYER;
		1976
		1977	if ($exit->slaying eq "/!") {
		1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1979	# the problem is that $exit might not survive long enough
		1980	# so it needs to be done right now, right here
		1981	cf::sync_job { prepare_random_map $exit };
		1982	}
		1983
		1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1985	my $hp = $exit->stats->hp;
		1986	my $sp = $exit->stats->sp;
1886		1987
1887	$self->enter_link;	1988	$self->enter_link;
1888		1989
1889	(async {	1990	(async {
1890	$self->deactivate_recursive; # just to be sure	1991	$self->deactivate_recursive; # just to be sure
1891	unless (eval {	1992	unless (eval {
1892	prepare_random_map $exit	1993	$self->goto ($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		1994
1898	1;	1995	1;
1899	}) {	1996	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	1997	$self->message ("Something went wrong deep within the crossfire server. "
1901	. "I'll try to bring you back to the map you were before. "	1998	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	1999	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2000	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2001
1905	warn "ERROR in enter_exit: $@";	2002	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2003	$self->leave_link;
1907	}	2004	}
1908	})->prio (1);	2005	})->prio (1);
…		…
1921		2018
1922	sub cf::client::send_drawinfo {	2019	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2020	my ($self, $text, $flags) = @_;
1924		2021
1925	utf8::encode $text;	2022	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2024	}
1928		2025
		2026	=item $client->ext_event ($type, %msg)
		2027
		2028	Sends an exti event to the client.
		2029
		2030	=cut
		2031
		2032	sub cf::client::ext_event($$%) {
		2033	my ($self, $type, %msg) = @_;
		2034
		2035	$msg{msgtype} = "event_$type";
		2036	$self->send_packet ("ext " . cf::to_json \%msg);
		2037	}
1929		2038
1930	=item $success = $client->query ($flags, "text", \&cb)	2039	=item $success = $client->query ($flags, "text", \&cb)
1931		2040
1932	Queues a query to the client, calling the given callback with	2041	Queues a query to the client, calling the given callback with
1933	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1962	# get handled first	2071	# get handled first
1963	my $queue = delete $ns->{query_queue}	2072	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	2073	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		2074
1966	(shift @$queue)->[1]->($msg);	2075	(shift @$queue)->[1]->($msg);
		2076	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		2077
1968	push @{ $ns->{query_queue} }, @$queue;	2078	push @{ $ns->{query_queue} }, @$queue;
1969		2079
1970	if (@{ $ns->{query_queue} } == @$queue) {	2080	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	2081	if (@$queue) {
…		…
2029		2139
2030	# here we export the classes and methods available to script code	2140	# here we export the classes and methods available to script code
2031		2141
2032	=pod	2142	=pod
2033		2143
2034	The following fucntions and emthods are available within a safe environment:	2144	The following functions and methods are available within a safe environment:
2035		2145
2036	cf::object contr pay_amount pay_player map	2146	cf::object contr pay_amount pay_player map
2037	cf::object::player player	2147	cf::object::player player
2038	cf::player peaceful	2148	cf::player peaceful
2039	cf::map trigger	2149	cf::map trigger
…		…
2132	The parameter C<$family> should best start with the name of the extension	2242	The parameter C<$family> should best start with the name of the extension
2133	using it, it should be unique.	2243	using it, it should be unique.
2134		2244
2135	=over 4	2245	=over 4
2136		2246
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	2247	=item $value = cf::db_get $family => $key
2144		2248
2145	Returns a single value from the database	2249	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		2250
2152	=item cf::db_put $family => $key => $value	2251	=item cf::db_put $family => $key => $value
2153		2252
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you	2253	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		2254
2165	=cut	2255	=cut
2166		2256
2167	our $DB;	2257	our $DB;
2168		2258
2169	{	2259	sub db_init {
		2260	unless ($DB) {
		2261	$DB = BDB::db_create $DB_ENV;
		2262
		2263	cf::sync_job {
		2264	eval {
		2265	$DB->set_flags (BDB::CHKSUM);
		2266
		2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2269	cf::cleanup "db_open(db): $!" if $!;
		2270	};
		2271	cf::cleanup "db_open(db): $@" if $@;
		2272	};
		2273
2170	my $path = cf::localdir . "/database.pst";	2274	my $path = cf::localdir . "/database.pst";
		2275	if (stat $path) {
		2276	cf::sync_job {
		2277	my $pst = Storable::retrieve $path;
2171		2278
2172	sub db_load() {	2279	cf::db_put (board => data => $pst->{board});
2173	$DB = stat $path ? Storable::retrieve $path : { };	2280	cf::db_put (guildrules => data => $pst->{guildrules});
2174	}	2281	cf::db_put (rent => balance => $pst->{rent}{balance});
		2282	BDB::db_env_txn_checkpoint $DB_ENV;
2175		2283
2176	my $pid;	2284	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	}	2285	};
2186	}
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	});
2198
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}
2203
2204	sub db_get($;$) {
2205	@_ >= 2
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209
2210	sub db_put($$;$) {
2211	if (@_ >= 3) {
2212	$DB->{$_[0]}{$_[1]} = $_[2];
2213	} else {
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218
2219	cf::global->attach (
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	2286	}
2224	);	2287	}
		2288	}
		2289
		2290	sub db_get($$) {
		2291	my $key = "$_[0]/$_[1]";
		2292
		2293	cf::sync_job {
		2294	BDB::db_get $DB, undef, $key, my $data;
		2295
		2296	$! ? ()
		2297	: Compress::LZF::sthaw $data
		2298	}
		2299	}
		2300
		2301	sub db_put($$$) {
		2302	BDB::dbreq_pri 4;
		2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2225	}	2304	}
2226		2305
2227	#############################################################################	2306	#############################################################################
2228	# the server's main()	2307	# the server's init and main functions
		2308
		2309	sub load_facedata {
		2310	my $path = sprintf "%s/facedata", cf::datadir;
		2311
		2312	warn "loading facedata from $path\n";
		2313
		2314	my $facedata;
		2315	0 < aio_load $path, $facedata
		2316	or die "$path: $!";
		2317
		2318	$facedata = Coro::Storable::thaw $facedata;
		2319
		2320	$facedata->{version} == 2
		2321	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2322
		2323	{
		2324	my $faces = $facedata->{faceinfo};
		2325
		2326	while (my ($face, $info) = each %$faces) {
		2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2331	Coro::cede;
		2332	}
		2333
		2334	while (my ($face, $info) = each %$faces) {
		2335	next unless $info->{smooth};
		2336	my $idx = cf::face::find $face
		2337	or next;
		2338	if (my $smooth = cf::face::find $info->{smooth}) {
		2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2340	} else {
		2341	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2342	}
		2343	Coro::cede;
		2344	}
		2345	}
		2346
		2347	{
		2348	my $anims = $facedata->{animinfo};
		2349
		2350	while (my ($anim, $info) = each %$anims) {
		2351	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2352	Coro::cede;
		2353	}
		2354
		2355	cf::anim::invalidate_all; # d'oh
		2356	}
		2357
		2358	1
		2359	}
		2360
		2361	sub reload_resources {
		2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2363	or die "unable to load regions file\n";#d#
		2364	load_facedata
		2365	or die "unable to load facedata\n";#d#
		2366	}
		2367
		2368	sub init {
		2369	reload_resources;
		2370	}
2229		2371
2230	sub cfg_load {	2372	sub cfg_load {
2231	open my $fh, "<:utf8", cf::confdir . "/config"	2373	open my $fh, "<:utf8", cf::confdir . "/config"
2232	or return;	2374	or return;
2233		2375
…		…
2250		2392
2251	sub main {	2393	sub main {
2252	# we must not ever block the main coroutine	2394	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	2395	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2397	(async {
2255	async { Event::one_event };	2398	Event::one_event;
		2399	})->prio (Coro::PRIO_MAX);
2256	};	2400	};
2257		2401
2258	cfg_load;	2402	cfg_load;
2259	db_load;	2403	db_init;
2260	load_extensions;	2404	load_extensions;
		2405
		2406	$TICK_WATCHER->start;
2261	Event::loop;	2407	Event::loop;
2262	}	2408	}
2263		2409
2264	#############################################################################	2410	#############################################################################
2265	# initialisation and cleanup	2411	# initialisation and cleanup
2266		2412
2267	# install some emergency cleanup handlers	2413	# install some emergency cleanup handlers
2268	BEGIN {	2414	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	2415	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	2416	Event->signal (
		2417	reentrant => 0,
2271	data => WF_AUTOCANCEL,	2418	data => WF_AUTOCANCEL,
2272	signal => $signal,	2419	signal => $signal,
		2420	prio => 0,
2273	cb => sub {	2421	cb => sub {
2274	cf::cleanup "SIG$signal";	2422	cf::cleanup "SIG$signal";
2275	},	2423	},
2276	);	2424	);
2277	}	2425	}
2278	}	2426	}
…		…
2283	warn "enter emergency perl save\n";	2431	warn "enter emergency perl save\n";
2284		2432
2285	cf::sync_job {	2433	cf::sync_job {
2286	# use a peculiar iteration method to avoid tripping on perl	2434	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	2435	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	2436	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	2437	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	2438	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	2439	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	2440	$pl->valid or next;
2293	$pl->save;	2441	$pl->save;
…		…
2299	my $map = $cf::MAP{$path} or next;	2447	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	2448	$map->valid or next;
2301	$map->save;	2449	$map->save;
2302	}	2450	}
2303	warn "end emergency map save\n";	2451	warn "end emergency map save\n";
		2452
		2453	warn "begin emergency database checkpoint\n";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455	warn "end emergency database checkpoint\n";
2304	};	2456	};
2305		2457
2306	warn "leave emergency perl save\n";	2458	warn "leave emergency perl save\n";
		2459	}
		2460
		2461	sub post_cleanup {
		2462	my ($make_core) = @_;
		2463
		2464	warn Carp::longmess "post_cleanup backtrace"
		2465	if $make_core;
2307	}	2466	}
2308		2467
2309	sub reload() {	2468	sub reload() {
2310	# can/must only be called in main	2469	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	2470	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	2471	warn "can only reload from main coroutine";
2313	return;	2472	return;
2314	}	2473	}
2315		2474
2316	warn "reloading...";	2475	warn "reloading...";
2317		2476
2318	my $guard = freeze_mainloop;	2477	warn "entering sync_job";
		2478
		2479	cf::sync_job {
		2480	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2481	cf::emergency_save;
		2482	cf::write_runtime; # external watchdog should not bark
2320		2483
2321	eval {	2484	warn "syncing database to disk";
		2485	BDB::db_env_txn_checkpoint $DB_ENV;
		2486
2322	# if anything goes wrong in here, we should simply crash as we already saved	2487	# if anything goes wrong in here, we should simply crash as we already saved
2323		2488
2324	# cancel all watchers	2489	warn "cancelling all WF_AUTOCANCEL watchers";
2325	for (Event::all_watchers) {	2490	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}	2492	}
2328		2493
		2494	warn "flushing outstanding aio requests";
		2495	for (;;) {
		2496	BDB::flush;
		2497	IO::AIO::flush;
		2498	Coro::cede;
		2499	last unless IO::AIO::nreqs || BDB::nreqs;
		2500	warn "iterate...";
		2501	}
		2502
		2503	++$RELOAD;
		2504
2329	# cancel all extension coros	2505	warn "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	2506	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	2507	%EXT_CORO = ();
2332		2508
2333	# unload all extensions	2509	warn "removing commands";
2334	for (@exts) {	2510	%COMMAND = ();
		2511
		2512	warn "removing ext commands";
		2513	%EXTCMD = ();
		2514
		2515	warn "unloading/nuking all extensions";
		2516	for my $pkg (@EXTS) {
2335	warn "unloading <$_>";	2517	warn "... unloading $pkg";
2336	unload_extension $_;	2518
		2519	if (my $cb = $pkg->can ("unload")) {
		2520	eval {
		2521	$cb->($pkg);
		2522	1
		2523	} or warn "$pkg unloaded, but with errors: $@";
2337	}	2524	}
2338		2525
		2526	warn "... nuking $pkg";
		2527	Symbol::delete_package $pkg;
		2528	}
		2529
2339	# unload all modules loaded from $LIBDIR	2530	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	2531	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		2533
2343	warn "removing <$k>";	2534	warn "... unloading $k";
2344	delete $INC{$k};	2535	delete $INC{$k};
2345		2536
2346	$k =~ s/\.pm$//;	2537	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	2538	$k =~ s/\//::/g;
2348		2539
…		…
2351	}	2542	}
2352		2543
2353	Symbol::delete_package $k;	2544	Symbol::delete_package $k;
2354	}	2545	}
2355		2546
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	2547	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	2548	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		2550
2364	# remove register_script_function callbacks
2365	# TODO
2366
2367	# unload cf.pm "a bit"	2551	warn "unloading cf.pm \"a bit\"";
2368	delete $INC{"cf.pm"};	2552	delete $INC{"cf.pm"};
2369		2553
2370	# don't, removes xs symbols, too,	2554	# don't, removes xs symbols, too,
2371	# and global variables created in xs	2555	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	2556	#Symbol::delete_package __PACKAGE__;
2373		2557
2374	# reload cf.pm	2558	warn "unload completed, starting to reload now";
		2559
2375	warn "reloading cf.pm";	2560	warn "reloading cf.pm";
2376	require cf;	2561	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		2563
2379	# load config and database again	2564	warn "loading config and database again";
2380	cf::cfg_load;	2565	cf::cfg_load;
2381	cf::db_load;
2382		2566
2383	# load extensions
2384	warn "load extensions";	2567	warn "loading extensions";
2385	cf::load_extensions;	2568	cf::load_extensions;
2386		2569
2387	# reattach attachments to objects	2570	warn "reattaching attachments to objects/players";
2388	warn "reattach";	2571	_global_reattach; # objects, sockets
2389	_global_reattach;	2572	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	2573	reattach $_ for values %MAP;
2391	};	2574	warn "reattaching attachments to players";
		2575	reattach $_ for values %PLAYER;
2392		2576
2393	if ($@) {	2577	warn "loading reloadable resources";
		2578	reload_resources;
		2579
		2580	warn "leaving sync_job";
		2581
		2582	1
		2583	} or do {
2394	warn $@;	2584	warn $@;
2395	warn "error while reloading, exiting.";	2585	warn "error while reloading, exiting.";
2396	exit 1;	2586	exit 1;
2397	}	2587	};
2398		2588
2399	warn "reloaded successfully";	2589	warn "reloaded";
2400	};	2590	};
2401		2591
2402	#############################################################################	2592	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} = $LINK_MAP;
2443	}
2444
2445	register "<global>", __PACKAGE__;
2446		2593
2447	register_command "reload" => sub {	2594	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	2595	my ($who, $arg) = @_;
2449		2596
2450	if ($who->flag (FLAG_WIZ)) {	2597	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");	2598	$who->message ("reloading server.");
		2599
		2600	# doing reload synchronously and two reloads happen back-to-back,
		2601	# coro crashes during coro_state_free->destroy here.
		2602
		2603	$RELOAD_WATCHER ||= Event->timer (
		2604	reentrant => 0,
		2605	after => 0,
		2606	data => WF_AUTOCANCEL,
		2607	cb => sub {
2452	reload;	2608	reload;
2453	$who->message ("end of reload.");	2609	undef $RELOAD_WATCHER;
		2610	},
		2611	);
2454	}	2612	}
2455	};	2613	};
2456		2614
2457	unshift @INC, $LIBDIR;	2615	unshift @INC, $LIBDIR;
		2616
		2617	my $bug_warning = 0;
2458		2618
2459	$TICK_WATCHER = Event->timer (	2619	$TICK_WATCHER = Event->timer (
2460	reentrant => 0,	2620	reentrant => 0,
		2621	parked => 1,
2461	prio => 0,	2622	prio => 0,
2462	at => $NEXT_TICK || $TICK,	2623	at => $NEXT_TICK || $TICK,
2463	data => WF_AUTOCANCEL,	2624	data => WF_AUTOCANCEL,
2464	cb => sub {	2625	cb => sub {
		2626	if ($Coro::current != $Coro::main) {
		2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2628	unless ++$bug_warning > 10;
		2629	return;
		2630	}
		2631
		2632	$NOW = Event::time;
		2633
2465	cf::server_tick; # one server iteration	2634	cf::server_tick; # one server iteration
2466	$RUNTIME += $TICK;	2635	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;	2636	$NEXT_TICK += $TICK;
2468		2637
		2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2639	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2640	Coro::async_pool {
		2641	write_runtime
		2642	or warn "ERROR: unable to write runtime file: $!";
		2643	};
		2644	}
		2645
2469	$WAIT_FOR_TICK->broadcast;	2646	$WAIT_FOR_TICK->broadcast;
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2648
		2649	# my $AFTER = Event::time;
		2650	# warn $AFTER - $NOW;#d#
2471		2651
2472	# if we are delayed by four ticks or more, skip them all	2652	# if we are delayed by four ticks or more, skip them all
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2474		2654
2475	$TICK_WATCHER->at ($NEXT_TICK);	2655	$TICK_WATCHER->at ($NEXT_TICK);
2476	$TICK_WATCHER->start;	2656	$TICK_WATCHER->start;
2477	},	2657	},
2478	);	2658	);
2479		2659
		2660	{
2480	IO::AIO::max_poll_time $TICK * 0.2;	2661	BDB::max_poll_time $TICK * 0.1;
2481		2662	$BDB_POLL_WATCHER = Event->io (
2482	Event->io (	2663	reentrant => 0,
2483	fd => IO::AIO::poll_fileno,	2664	fd => BDB::poll_fileno,
2484	poll => 'r',	2665	poll => 'r',
2485	prio => 5,	2666	prio => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,	2667	data => WF_AUTOCANCEL,
2492	after => 0,	2668	cb => \&BDB::poll_cb,
2493	interval => 10,	2669	);
2494	cb => sub {	2670	BDB::min_parallel 8;
2495	(Coro::unblock_sub {	2671
2496	write_runtime	2672	BDB::set_sync_prepare {
2497	or warn "ERROR: unable to write runtime file: $!";	2673	my $status;
		2674	my $current = $Coro::current;
		2675	(
		2676	sub {
		2677	$status = $!;
		2678	$current->ready; undef $current;
		2679	},
		2680	sub {
		2681	Coro::schedule while defined $current;
		2682	$! = $status;
		2683	},
		2684	)
		2685	};
		2686
		2687	unless ($DB_ENV) {
		2688	$DB_ENV = BDB::db_env_create;
		2689
		2690	cf::sync_job {
		2691	eval {
		2692	BDB::db_env_open
		2693	$DB_ENV,
		2694	$BDB_ENV_DIR,
		2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2697	0666;
		2698
		2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2700
		2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2702	$DB_ENV->set_lk_detect;
		2703	};
		2704
		2705	cf::cleanup "db_env_open(db): $@" if $@;
2498	})->();	2706	};
2499	},	2707	}
2500	);	2708	}
		2709
		2710	{
		2711	IO::AIO::min_parallel 8;
		2712
		2713	undef $Coro::AIO::WATCHER;
		2714	IO::AIO::max_poll_time $TICK * 0.1;
		2715	$AIO_POLL_WATCHER = Event->io (
		2716	reentrant => 0,
		2717	data => WF_AUTOCANCEL,
		2718	fd => IO::AIO::poll_fileno,
		2719	poll => 'r',
		2720	prio => 6,
		2721	cb => \&IO::AIO::poll_cb,
		2722	);
		2723	}
2501		2724
2502	END { cf::emergency_save }	2725	END { cf::emergency_save }
2503		2726
2504	1	2727	1
2505		2728

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