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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.156 by root, Tue Jan 9 22:07:08 2007 UTC vs.
Revision 1.234 by root, Thu Apr 5 13:44:31 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
20	use Data::Dumper;	23	use Data::Dumper;
21	use Digest::MD5;	24	use Digest::MD5;
22	use Fcntl;	25	use Fcntl;
		26	use YAML::Syck ();
23	use IO::AIO 2.32 ();	27	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
26		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		37
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
33		40
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		42
		43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		44
36	our %COMMAND = ();	45	our %COMMAND = ();
37	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
39		52
		53	our $RELOAD; # number of reloads so far
40	our @EVENT;	54	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
42		56
43	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
44	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	61	our $NEXT_TICK;
46	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
47		67
48	our %CFG;	68	our %CFG;
49		69
50	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	71	our $RUNTIME;
52		72
53	our %PLAYER; # all users	73	our %PLAYER; # all users
54	our %MAP; # all maps	74	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	77	our $BDB_ENV_DIR = cf::localdir . "/db";
58		78
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61		84
62	binmode STDOUT;	85	binmode STDOUT;
63	binmode STDERR;	86	binmode STDERR;
64		87
65	# read virtual server time, if available	88	# read virtual server time, if available
…		…
72	mkdir cf::localdir;	95	mkdir cf::localdir;
73	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
77		101
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
81		105
82	#############################################################################	106	#############################################################################
83		107
84	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
85		109
…		…
156	}	180	}
157		181
158	$Event::DIED = sub {	182	$Event::DIED = sub {
159	warn "error in event callback: @_";	183	warn "error in event callback: @_";
160	};	184	};
161
162	my %ext_pkg;
163	my @exts;
164	my @hook;
165		185
166	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
167		187
168	=over 4	188	=over 4
169		189
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	209	$d
190	} || "[unable to dump $_[0]: '$@']";	210	} || "[unable to dump $_[0]: '$@']";
191	}	211	}
192		212
193	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194		214
195	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
196		216
197	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
198		218
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
207		220
208	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		222
217	=item cf::lock_wait $string	223	=item cf::lock_wait $string
218		224
219	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
220		226
…		…
257	}	263	}
258		264
259	sub freeze_mainloop {	265	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
261		267
262	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
263	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
264	$guard	272	$guard
265	}	273	}
266		274
267	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
319	}	327	}
320	}	328	}
321		329
322	=item $coro = cf::async_ext { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
323		331
324	Like async, but this coro is automcatially being canceled when the	332	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	333	extension calling this is being unloaded.
326		334
327	=cut	335	=cut
328		336
329	sub async_ext(&) {	337	sub async_ext(&) {
…		…
338		346
339	$coro	347	$coro
340	}	348	}
341		349
342	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
343	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
344		354
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	356	or return;
347		357
		358	my $value = $cf::RUNTIME + 90 + 10;
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	363	and return;
351		364
		365	# always fsync - this file is important
352	aio_fsync $fh	366	aio_fsync $fh
353	and return;	367	and return;
354		368
355	close $fh	369	close $fh
356	or return;	370	or return;
…		…
359	and return;	373	and return;
360		374
361	1	375	1
362	}	376	}
363		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
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
…		…
1111	}	963	}
1112		964
1113	sub path($) {	965	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		967
1116	(playerdir $login) . "/$login.pl"	968	(playerdir $login) . "/playerdata"
1117	}	969	}
1118		970
1119	sub find_active($) {	971	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	972	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	973	and $cf::PLAYER{$_[0]}->active
…		…
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];
1135		987
1136	my $guard = cf::lock_acquire "user_find:$login";	988	my $guard = cf::lock_acquire "user_find:$login";
1137		989
1138	$cf::PLAYER{$_[0]} || do {	990	$cf::PLAYER{$_[0]} || do {
		991	# rename old playerfiles to new ones
		992	#TODO: remove when no longer required
		993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		995	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		996	aio_unlink +(playerdir $login) . "/$login.pl";
		997
1139	my $pl = load_pl path $login	998	my $pl = load_pl path $login
1140	or return;	999	or return;
1141	$cf::PLAYER{$login} = $pl	1000	$cf::PLAYER{$login} = $pl
1142	}	1001	}
1143	}	1002	}
…		…
1180		1039
1181	=cut	1040	=cut
1182		1041
1183	sub quit_character {	1042	sub quit_character {
1184	my ($pl) = @_;	1043	my ($pl) = @_;
		1044
		1045	my $name = $pl->ob->name;
1185		1046
1186	$pl->{deny_save} = 1;	1047	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1048	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1049
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1055	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1056	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1057	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1058	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1059	$pl->destroy;
		1060
		1061	my $prefix = qr<^~\Q$name\E/>;
		1062
		1063	# nuke player maps
		1064	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1065
1199	IO::AIO::aio_rmtree $temp;	1066	IO::AIO::aio_rmtree $temp;
		1067	}
		1068
		1069	=item $pl->kick
		1070
		1071	Kicks a player out of the game. This destroys the connection.
		1072
		1073	=cut
		1074
		1075	sub kick {
		1076	my ($pl, $kicker) = @_;
		1077
		1078	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1079	$pl->killer ("kicked");
		1080	$pl->ns->destroy;
1200	}	1081	}
1201		1082
1202	=item cf::player::list_logins	1083	=item cf::player::list_logins
1203		1084
1204	Returns am arrayref of all valid playernames in the system, can take a	1085	Returns am arrayref of all valid playernames in the system, can take a
…		…
1224	\@logins	1105	\@logins
1225	}	1106	}
1226		1107
1227	=item $player->maps	1108	=item $player->maps
1228		1109
1229	Returns an arrayref of cf::path's of all maps that are private for this	1110	Returns an arrayref of map paths that are private for this
1230	player. May block.	1111	player. May block.
1231		1112
1232	=cut	1113	=cut
1233		1114
1234	sub maps($) {	1115	sub maps($) {
1235	my ($pl) = @_;	1116	my ($pl) = @_;
		1117
		1118	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1119
1237	my $files = aio_readdir playerdir $pl	1120	my $files = aio_readdir playerdir $pl
1238	or return;	1121	or return;
1239		1122
1240	my @paths;	1123	my @paths;
1241		1124
1242	for (@$files) {	1125	for (@$files) {
1243	utf8::decode $_;	1126	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1127	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1128	next unless /^$PATH_SEP/o;
1246		1129
1247	s/$PATH_SEP/\//g;	1130	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1131	}
1250		1132
1251	\@paths	1133	\@paths
1252	}	1134	}
1253		1135
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1136	=item $player->ext_reply ($msgid, %msg)
1255		1137
1256	Sends an ext reply to the player.	1138	Sends an ext reply to the player.
1257		1139
1258	=cut	1140	=cut
1259		1141
1260	sub ext_reply($$$%) {	1142	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1143	my ($self, $id, %msg) = @_;
1262		1144
1263	$msg{msgid} = $id;	1145	$msg{msgid} = $id;
1264		1146
1265	$self->send ("ext " . cf::to_json \%msg);	1147	$self->send ("ext " . cf::to_json \%msg);
		1148	}
		1149
		1150	=item $player->ext_event ($type, %msg)
		1151
		1152	Sends an ext event to the client.
		1153
		1154	=cut
		1155
		1156	sub ext_event($$%) {
		1157	my ($self, $type, %msg) = @_;
		1158
		1159	$self->ns->ext_event ($type, %msg);
1266	}	1160	}
1267		1161
1268	package cf;	1162	package cf;
1269		1163
1270	=back	1164	=back
…		…
1279	package cf::map;	1173	package cf::map;
1280		1174
1281	use Fcntl;	1175	use Fcntl;
1282	use Coro::AIO;	1176	use Coro::AIO;
1283		1177
		1178	use overload
		1179	'""' => \&as_string,
		1180	fallback => 1;
		1181
1284	our $MAX_RESET = 3600;	1182	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1183	our $DEFAULT_RESET = 3000;
1286		1184
1287	sub generate_random_map {	1185	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1186	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1187	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1188	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1192	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1193	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1194	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1195	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1196	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1197	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1198	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1199	(cf::region::find $rmp->{region}), $rmp->{custom}
		1200	)
		1201	}
		1202
		1203	=item cf::map->register ($regex, $prio)
		1204
		1205	Register a handler for the map path matching the given regex at the
		1206	givne priority (higher is better, built-in handlers have priority 0, the
		1207	default).
		1208
		1209	=cut
		1210
		1211	sub register {
		1212	my (undef, $regex, $prio) = @_;
		1213	my $pkg = caller;
		1214
		1215	no strict;
		1216	push @{"$pkg\::ISA"}, __PACKAGE__;
		1217
		1218	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1219	}
		1220
		1221	# also paths starting with '/'
		1222	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1223
		1224	sub thawer_merge {
		1225	my ($self, $merge) = @_;
		1226
		1227	# we have to keep some variables in memory intact
		1228	local $self->{path};
		1229	local $self->{load_path};
		1230	local $self->{deny_save};
		1231	local $self->{deny_reset};
		1232
		1233	$self->SUPER::thawer_merge ($merge);
		1234	}
		1235
		1236	sub normalise {
		1237	my ($path, $base) = @_;
		1238
		1239	$path = "$path"; # make sure its a string
		1240
		1241	$path =~ s/\.map$//;
		1242
		1243	# map plan:
		1244	#
		1245	# /! non-realised random map exit (special hack!)
		1246	# {... are special paths that are not being touched
		1247	# ?xxx/... are special absolute paths
		1248	# ?random/... random maps
		1249	# /... normal maps
		1250	# ~user/... per-player map of a specific user
		1251
		1252	$path =~ s/$PATH_SEP/\//go;
		1253
		1254	# treat it as relative path if it starts with
		1255	# something that looks reasonable
		1256	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1257	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1258
		1259	$base =~ s{[^/]+/?$}{};
		1260	$path = "$base/$path";
		1261	}
		1262
		1263	for ($path) {
		1264	redo if s{//}{/};
		1265	redo if s{/\.?/}{/};
		1266	redo if s{/[^/]+/\.\./}{/};
		1267	}
		1268
		1269	$path
		1270	}
		1271
		1272	sub new_from_path {
		1273	my (undef, $path, $base) = @_;
		1274
		1275	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1276
		1277	$path = normalise $path, $base;
		1278
		1279	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1280	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1281	my $self = bless cf::map::new, $pkg;
		1282	$self->{path} = $path; $self->path ($path);
		1283	$self->init; # pass $1 etc.
		1284	return $self;
		1285	}
		1286	}
		1287
		1288	Carp::carp "unable to resolve path '$path' (base '$base').";
		1289	()
		1290	}
		1291
		1292	sub init {
		1293	my ($self) = @_;
		1294
		1295	$self
		1296	}
		1297
		1298	sub as_string {
		1299	my ($self) = @_;
		1300
		1301	"$self->{path}"
		1302	}
		1303
		1304	# the displayed name, this is a one way mapping
		1305	sub visible_name {
		1306	&as_string
		1307	}
		1308
		1309	# the original (read-only) location
		1310	sub load_path {
		1311	my ($self) = @_;
		1312
		1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1314	}
		1315
		1316	# the temporary/swap location
		1317	sub save_path {
		1318	my ($self) = @_;
		1319
		1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1322	}
		1323
		1324	# the unique path, undef == no special unique path
		1325	sub uniq_path {
		1326	my ($self) = @_;
		1327
		1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1304	}	1330	}
1305		1331
1306	# and all this just because we cannot iterate over	1332	# and all this just because we cannot iterate over
1307	# all maps in C++...	1333	# all maps in C++...
1308	sub change_all_map_light {	1334	sub change_all_map_light {
…		…
1310		1336
1311	$_->change_map_light ($change)	1337	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1338	for grep $_->outdoor, values %cf::MAP;
1313	}	1339	}
1314		1340
		1341	sub unlink_save {
		1342	my ($self) = @_;
		1343
		1344	utf8::encode (my $save = $self->save_path);
		1345	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1346	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1347	}
		1348
1315	sub try_load_header($) {	1349	sub load_header_from($) {
1316	my ($path) = @_;	1350	my ($self, $path) = @_;
1317		1351
1318	utf8::encode $path;	1352	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1353	#aio_open $path, O_RDONLY, 0
		1354	# or return;
		1355
		1356	$self->_load_header ($path)
1320	or return;	1357	or return;
1321		1358
1322	my $map = cf::map::new	1359	$self->{load_path} = $path;
		1360
		1361	1
		1362	}
		1363
		1364	sub load_header_orig {
		1365	my ($self) = @_;
		1366
		1367	$self->load_header_from ($self->load_path)
		1368	}
		1369
		1370	sub load_header_temp {
		1371	my ($self) = @_;
		1372
		1373	$self->load_header_from ($self->save_path)
		1374	}
		1375
		1376	sub prepare_temp {
		1377	my ($self) = @_;
		1378
		1379	$self->last_access ((delete $self->{last_access})
		1380	|| $cf::RUNTIME); #d#
		1381	# safety
		1382	$self->{instantiate_time} = $cf::RUNTIME
		1383	if $self->{instantiate_time} > $cf::RUNTIME;
		1384	}
		1385
		1386	sub prepare_orig {
		1387	my ($self) = @_;
		1388
		1389	$self->{load_original} = 1;
		1390	$self->{instantiate_time} = $cf::RUNTIME;
		1391	$self->last_access ($cf::RUNTIME);
		1392	$self->instantiate;
		1393	}
		1394
		1395	sub load_header {
		1396	my ($self) = @_;
		1397
		1398	if ($self->load_header_temp) {
		1399	$self->prepare_temp;
		1400	} else {
		1401	$self->load_header_orig
1323	or return;	1402	or return;
		1403	$self->prepare_orig;
		1404	}
1324		1405
1325	# for better error messages only, will be overwritten	1406	1
1326	$map->path ($path);
1327
1328	$map->load_header ($path)
1329	or return;
1330
1331	$map->{load_path} = $path;
1332
1333	$map
1334	}	1407	}
1335		1408
1336	sub find;	1409	sub find;
1337	sub find {	1410	sub find {
1338	my ($path, $origin) = @_;	1411	my ($path, $origin) = @_;
1339		1412
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1413	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1414
1345	cf::lock_wait "map_find:$key";	1415	cf::lock_wait "map_find:$path";
1346		1416
1347	$cf::MAP{$key} || do {	1417	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1418	my $guard = cf::lock_acquire "map_find:$path";
1349		1419	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;	1420	or return;
1369		1421
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;	1422	$map->{last_save} = $cf::RUNTIME;
1382		1423
1383	Coro::cede;	1424	$map->load_header
		1425	or return;
1384		1426
1385	if ($map->should_reset) {	1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1428	# doing this can freeze the server in a sync job, obviously
		1429	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1430	$map->reset;
1387	undef $guard;	1431	undef $guard;
1388	$map = find $path	1432	return find $path;
1389	or return;
1390	}	1433	}
1391		1434
1392	$cf::MAP{$key} = $map	1435	$cf::MAP{$path} = $map
1393	}	1436	}
1394	}	1437	}
		1438
		1439	sub pre_load { }
		1440	sub post_load { }
1395		1441
1396	sub load {	1442	sub load {
1397	my ($self) = @_;	1443	my ($self) = @_;
1398		1444
		1445	local $self->{deny_reset} = 1; # loading can take a long time
		1446
1399	my $path = $self->{path};	1447	my $path = $self->{path};
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1448	my $guard = cf::lock_acquire "map_load:$path";
1401		1449
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1450	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1451
1404	$self->in_memory (cf::MAP_LOADING);	1452	$self->in_memory (cf::MAP_LOADING);
1405		1453
1406	$self->alloc;	1454	$self->alloc;
		1455
		1456	$self->pre_load;
		1457
1407	$self->load_objects ($self->{load_path}, 1)	1458	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1459	or return;
1409		1460
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1462	if delete $self->{load_original};
1412		1463
1413	if (my $uniq = $path->uniq_path) {	1464	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1465	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1466	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1467	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1468	$self->_load_objects ($uniq, 0);
1418	}	1469	}
1419	}	1470	}
1420		1471
1421	Coro::cede;	1472	Coro::cede;
1422		1473
1423	# now do the right thing for maps	1474	# now do the right thing for maps
1424	$self->link_multipart_objects;	1475	$self->link_multipart_objects;
1425		1476
1426	if ($self->{path}->is_style_map) {	1477	unless ($self->{deny_activate}) {
1427	$self->{deny_save} = 1;	1478	$self->decay_objects;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;	1479	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;	1480	$self->update_buttons;
		1481	Coro::cede;
1433	$self->set_darkness_map;	1482	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1483	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1484	unless $self->difficulty;
		1485	Coro::cede;
1436	$self->activate;	1486	$self->activate;
1437	}	1487	}
1438		1488
1439	Coro::cede;	1489	$self->post_load;
1440		1490
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1491	$self->in_memory (cf::MAP_IN_MEMORY);
		1492	}
		1493
		1494	sub customise_for {
		1495	my ($self, $ob) = @_;
		1496
		1497	return find "~" . $ob->name . "/" . $self->{path}
		1498	if $self->per_player;
		1499
		1500	$self
		1501	}
		1502
		1503	# find and load all maps in the 3x3 area around a map
		1504	sub load_diag {
		1505	my ($map) = @_;
		1506
		1507	my @diag; # diagonal neighbours
		1508
		1509	for (0 .. 3) {
		1510	my $neigh = $map->tile_path ($_)
		1511	or next;
		1512	$neigh = find $neigh, $map
		1513	or next;
		1514	$neigh->load;
		1515
		1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1518	}
		1519
		1520	for (@diag) {
		1521	my $neigh = find @$_
		1522	or next;
		1523	$neigh->load;
		1524	}
1442	}	1525	}
1443		1526
1444	sub find_sync {	1527	sub find_sync {
1445	my ($path, $origin) = @_;	1528	my ($path, $origin) = @_;
1446		1529
1447	cf::sync_job { cf::map::find $path, $origin }	1530	cf::sync_job { find $path, $origin }
1448	}	1531	}
1449		1532
1450	sub do_load_sync {	1533	sub do_load_sync {
1451	my ($map) = @_;	1534	my ($map) = @_;
1452		1535
1453	cf::sync_job { $map->load };	1536	cf::sync_job { $map->load };
1454	}	1537	}
1455		1538
		1539	our %MAP_PREFETCH;
		1540	our $MAP_PREFETCHER = undef;
		1541
		1542	sub find_async {
		1543	my ($path, $origin) = @_;
		1544
		1545	$path = normalise $path, $origin && $origin->{path};
		1546
		1547	if (my $map = $cf::MAP{$path}) {
		1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1549	}
		1550
		1551	undef $MAP_PREFETCH{$path};
		1552	$MAP_PREFETCHER ||= cf::async {
		1553	while (%MAP_PREFETCH) {
		1554	for my $path (keys %MAP_PREFETCH) {
		1555	my $map = find $path
		1556	or next;
		1557	$map->load;
		1558
		1559	delete $MAP_PREFETCH{$path};
		1560	}
		1561	}
		1562	undef $MAP_PREFETCHER;
		1563	};
		1564	$MAP_PREFETCHER->prio (6);
		1565
		1566	()
		1567	}
		1568
1456	sub save {	1569	sub save {
1457	my ($self) = @_;	1570	my ($self) = @_;
1458		1571
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	1572	my $lock = cf::lock_acquire "map_data:" . $self->path;
1460		1573
1461	$self->{last_save} = $cf::RUNTIME;	1574	$self->{last_save} = $cf::RUNTIME;
1462		1575
1463	return unless $self->dirty;	1576	return unless $self->dirty;
1464		1577
1465	my $save = $self->{path}->save_path; utf8::encode $save;	1578	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1579	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		1580
1468	$self->{load_path} = $save;	1581	$self->{load_path} = $save;
1469		1582
1470	return if $self->{deny_save};	1583	return if $self->{deny_save};
1471		1584
…		…
1474	cf::async {	1587	cf::async {
1475	$_->contr->save for $self->players;	1588	$_->contr->save for $self->players;
1476	};	1589	};
1477		1590
1478	if ($uniq) {	1591	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	1594	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1595	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	1596	}
1484	}	1597	}
1485		1598
1486	sub swap_out {	1599	sub swap_out {
1487	my ($self) = @_;	1600	my ($self) = @_;
…		…
1501		1614
1502	sub reset_at {	1615	sub reset_at {
1503	my ($self) = @_;	1616	my ($self) = @_;
1504		1617
1505	# TODO: safety, remove and allow resettable per-player maps	1618	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};	1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1507	return 1e99 if $self->{deny_reset};	1620	return 1e99 if $self->{deny_reset};
1508		1621
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		1624
…		…
1516	my ($self) = @_;	1629	my ($self) = @_;
1517		1630
1518	$self->reset_at <= $cf::RUNTIME	1631	$self->reset_at <= $cf::RUNTIME
1519	}	1632	}
1520		1633
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	1634	sub reset {
1543	my ($self) = @_;	1635	my ($self) = @_;
1544		1636
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	1637	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		1638
1547	return if $self->players;	1639	return if $self->players;
1548	return if $self->{path}{user_rel};#d#	1640	return if $self->isa ("ext::map_per_player");#d#
1549		1641
1550	warn "resetting map ", $self->path;#d#	1642	warn "resetting map ", $self->path;#d#
1551		1643
		1644	$self->in_memory (cf::MAP_SWAPPED);
		1645
		1646	# need to save uniques path
		1647	unless ($self->{deny_save}) {
		1648	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1649
		1650	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1651	if $uniq;
		1652	}
		1653
1552	delete $cf::MAP{$self->path};	1654	delete $cf::MAP{$self->path};
		1655
		1656	$self->clear;
1553		1657
1554	$_->clear_links_to ($self) for values %cf::MAP;	1658	$_->clear_links_to ($self) for values %cf::MAP;
1555		1659
1556	$self->unlink_save;	1660	$self->unlink_save;
1557	$self->destroy;	1661	$self->destroy;
…		…
1560	my $nuke_counter = "aaaa";	1664	my $nuke_counter = "aaaa";
1561		1665
1562	sub nuke {	1666	sub nuke {
1563	my ($self) = @_;	1667	my ($self) = @_;
1564		1668
		1669	delete $cf::MAP{$self->path};
		1670
		1671	$self->unlink_save;
		1672
		1673	bless $self, "cf::map";
		1674	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	1675	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	1676	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1678
		1679	$cf::MAP{$self->path} = $self;
		1680
1568	$self->reset; # polite request, might not happen	1681	$self->reset; # polite request, might not happen
1569	}	1682	}
1570		1683
1571	sub customise_for {	1684	=item cf::map::unique_maps
1572	my ($map, $ob) = @_;
1573		1685
1574	if ($map->per_player) {	1686	Returns an arrayref of paths of all shared maps that have
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1687	instantiated unique items. May block.
1576	}
1577		1688
1578	$map	1689	=cut
		1690
		1691	sub unique_maps() {
		1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1693	or return;
		1694
		1695	my @paths;
		1696
		1697	for (@$files) {
		1698	utf8::decode $_;
		1699	next if /\.pst$/;
		1700	next unless /^$PATH_SEP/o;
		1701
		1702	push @paths, cf::map::normalise $_;
		1703	}
		1704
		1705	\@paths
1579	}	1706	}
1580		1707
1581	package cf;	1708	package cf;
1582		1709
1583	=back	1710	=back
…		…
1655		1782
1656	=item $player_object->enter_link	1783	=item $player_object->enter_link
1657		1784
1658	Freezes the player and moves him/her to a special map (C<{link}>).	1785	Freezes the player and moves him/her to a special map (C<{link}>).
1659		1786
1660	The player should be reaosnably safe there for short amounts of time. You	1787	The player should be reasonably safe there for short amounts of time. You
1661	I<MUST> call C<leave_link> as soon as possible, though.	1788	I<MUST> call C<leave_link> as soon as possible, though.
1662		1789
		1790	Will never block.
		1791
1663	=item $player_object->leave_link ($map, $x, $y)	1792	=item $player_object->leave_link ($map, $x, $y)
1664		1793
1665	Moves the player out of the specila link map onto the given map. If the	1794	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	1795	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	1796	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	1797	fails, to the emergency map position.
1669		1798
1670	Might block.	1799	Might block.
1671		1800
1672	=cut	1801	=cut
		1802
		1803	sub link_map {
		1804	unless ($LINK_MAP) {
		1805	$LINK_MAP = cf::map::find "{link}"
		1806	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1807	$LINK_MAP->load;
		1808	}
		1809
		1810	$LINK_MAP
		1811	}
1673		1812
1674	sub cf::object::player::enter_link {	1813	sub cf::object::player::enter_link {
1675	my ($self) = @_;	1814	my ($self) = @_;
1676		1815
1677	$self->deactivate_recursive;	1816	$self->deactivate_recursive;
1678		1817
1679	return if $self->map == $LINK_MAP;	1818	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		1819
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	1821	if $self->map;
1683		1822
1684	$self->enter_map ($LINK_MAP, 20, 20);	1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	1824	}
1686		1825
1687	sub cf::object::player::leave_link {	1826	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	1827	my ($self, $map, $x, $y) = @_;
1689		1828
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	1846	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	1847	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	1848	if $x <=0 && $y <= 0;
1710		1849
1711	$map->load;	1850	$map->load;
		1851	$map->load_diag;
1712		1852
1713	return unless $self->contr->active;	1853	return unless $self->contr->active;
1714	$self->activate_recursive;	1854	$self->activate_recursive;
		1855
		1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	1857	$self->enter_map ($map, $x, $y);
1716	}	1858	}
1717		1859
1718	cf::player->attach (	1860	cf::player->attach (
1719	on_logout => sub {	1861	on_logout => sub {
…		…
1732	# try to abort aborted map switching on player login :)	1874	# try to abort aborted map switching on player login :)
1733	# should happen only on crashes	1875	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {	1876	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;	1877	$pl->ob->enter_link;
1736	(async {	1878	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,	1879	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "	1880	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",	1881	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);	1882	cf::NDI_RED);
		1883	# we need this sleep as the login has a concurrent enter_exit running
		1884	# and this sleep increases chances of the player not ending up in scorn
1743	Coro::Timer::sleep 1;	1885	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;	1886	$pl->ob->leave_link;
1745	})->prio (2);	1887	})->prio (2);
1746	}	1888	}
1747	},	1889	},
…		…
1752	=cut	1894	=cut
1753		1895
1754	sub cf::object::player::goto {	1896	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	1897	my ($self, $path, $x, $y) = @_;
1756		1898
1757	$path = new cf::path $path;
1758	$path ne "/" or Carp::cluck ("oy");#d#
1759
1760	$self->enter_link;	1899	$self->enter_link;
1761		1900
1762	(async {	1901	(async {
		1902	my $map = eval {
1763	my $map = cf::map::find $path->as_string;	1903	my $map = cf::map::find $path;
1764	$map = $map->customise_for ($self) if $map;	1904	$map = $map->customise_for ($self) if $map;
1765		1905	$map
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	1906	} or
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1770		1908
1771	$self->leave_link ($map, $x, $y);	1909	$self->leave_link ($map, $x, $y);
1772	})->prio (1);	1910	})->prio (1);
1773	}	1911	}
1774		1912
…		…
1778		1916
1779	sub parse_random_map_params {	1917	sub parse_random_map_params {
1780	my ($spec) = @_;	1918	my ($spec) = @_;
1781		1919
1782	my $rmp = { # defaults	1920	my $rmp = { # defaults
1783	xsize => 10,	1921	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	1922	ysize => (cf::rndm 15, 40),
		1923	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1924	#layout => string,
1785	};	1925	};
1786		1926
1787	for (split /\n/, $spec) {	1927	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	1928	my ($k, $v) = split /\s+/, $_, 2;
1789		1929
…		…
1793	$rmp	1933	$rmp
1794	}	1934	}
1795		1935
1796	sub prepare_random_map {	1936	sub prepare_random_map {
1797	my ($exit) = @_;	1937	my ($exit) = @_;
		1938
		1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1798		1940
1799	# all this does is basically replace the /! path by	1941	# all this does is basically replace the /! path by
1800	# a new random map path (?random/...) with a seed	1942	# a new random map path (?random/...) with a seed
1801	# that depends on the exit object	1943	# that depends on the exit object
1802		1944
1803	my $rmp = parse_random_map_params $exit->msg;	1945	my $rmp = parse_random_map_params $exit->msg;
1804		1946
1805	if ($exit->map) {	1947	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	1948	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	1949	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	1950	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	1951	$rmp->{origin_y} = $exit->y;
1810	}	1952	}
1811		1953
1812	$rmp->{random_seed} ||= $exit->random_seed;	1954	$rmp->{random_seed} ||= $exit->random_seed;
1813		1955
1814	my $data = cf::to_json $rmp;	1956	my $data = cf::to_json $rmp;
1815	my $md5 = Digest::MD5::md5_hex $data;	1957	my $md5 = Digest::MD5::md5_hex $data;
		1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1816		1959
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	1961	aio_write $fh, 0, (length $data), $data, 0;
		1962	undef $fh;
		1963	aio_rename "$meta~", $meta;
1819		1964
1820	$exit->slaying ("?random/$md5");	1965	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	1966	$exit->msg (undef);
1822	}	1967	}
1823	}	1968	}
1824		1969
1825	sub cf::object::player::enter_exit {	1970	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	1971	my ($self, $exit) = @_;
1827		1972
1828	return unless $self->type == cf::PLAYER;	1973	return unless $self->type == cf::PLAYER;
		1974
		1975	if ($exit->slaying eq "/!") {
		1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1977	# the problem is that $exit might not survive long enough
		1978	# so it needs to be done right now, right here
		1979	cf::sync_job { prepare_random_map $exit };
		1980	}
		1981
		1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1983	my $hp = $exit->stats->hp;
		1984	my $sp = $exit->stats->sp;
1829		1985
1830	$self->enter_link;	1986	$self->enter_link;
1831		1987
1832	(async {	1988	(async {
1833	$self->deactivate_recursive; # just to be sure	1989	$self->deactivate_recursive; # just to be sure
1834	unless (eval {	1990	unless (eval {
1835	prepare_random_map $exit	1991	$self->goto ($slaying, $hp, $sp);
1836	if $exit->slaying eq "/!";
1837
1838	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1840		1992
1841	1;	1993	1;
1842	}) {	1994	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	1995	$self->message ("Something went wrong deep within the crossfire server. "
1844	. "I'll try to bring you back to the map you were before. "	1996	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	1997	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	1998	cf::NDI_UNIQUE | cf::NDI_RED);
1847		1999
1848	warn "ERROR in enter_exit: $@";	2000	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	2001	$self->leave_link;
1850	}	2002	}
1851	})->prio (1);	2003	})->prio (1);
…		…
1864		2016
1865	sub cf::client::send_drawinfo {	2017	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2018	my ($self, $text, $flags) = @_;
1867		2019
1868	utf8::encode $text;	2020	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2022	}
1871		2023
		2024	=item $client->ext_event ($type, %msg)
		2025
		2026	Sends an exti event to the client.
		2027
		2028	=cut
		2029
		2030	sub cf::client::ext_event($$%) {
		2031	my ($self, $type, %msg) = @_;
		2032
		2033	$msg{msgtype} = "event_$type";
		2034	$self->send_packet ("ext " . cf::to_json \%msg);
		2035	}
1872		2036
1873	=item $success = $client->query ($flags, "text", \&cb)	2037	=item $success = $client->query ($flags, "text", \&cb)
1874		2038
1875	Queues a query to the client, calling the given callback with	2039	Queues a query to the client, calling the given callback with
1876	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1905	# get handled first	2069	# get handled first
1906	my $queue = delete $ns->{query_queue}	2070	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	2071	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		2072
1909	(shift @$queue)->[1]->($msg);	2073	(shift @$queue)->[1]->($msg);
		2074	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2075
1911	push @{ $ns->{query_queue} }, @$queue;	2076	push @{ $ns->{query_queue} }, @$queue;
1912		2077
1913	if (@{ $ns->{query_queue} } == @$queue) {	2078	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2079	if (@$queue) {
…		…
1972		2137
1973	# here we export the classes and methods available to script code	2138	# here we export the classes and methods available to script code
1974		2139
1975	=pod	2140	=pod
1976		2141
1977	The following fucntions and emthods are available within a safe environment:	2142	The following functions and methods are available within a safe environment:
1978		2143
1979	cf::object contr pay_amount pay_player map	2144	cf::object contr pay_amount pay_player map
1980	cf::object::player player	2145	cf::object::player player
1981	cf::player peaceful	2146	cf::player peaceful
1982	cf::map trigger	2147	cf::map trigger
…		…
2075	The parameter C<$family> should best start with the name of the extension	2240	The parameter C<$family> should best start with the name of the extension
2076	using it, it should be unique.	2241	using it, it should be unique.
2077		2242
2078	=over 4	2243	=over 4
2079		2244
2080	=item $hashref = cf::db_get $family
2081
2082	Return a hashref for use by the extension C<$family>, which can be
2083	modified. After modifications, you have to call C<cf::db_dirty> or
2084	C<cf::db_sync>.
2085
2086	=item $value = cf::db_get $family => $key	2245	=item $value = cf::db_get $family => $key
2087		2246
2088	Returns a single value from the database	2247	Returns a single value from the database.
2089
2090	=item cf::db_put $family => $hashref
2091
2092	Stores the given family hashref into the database. Updates are delayed, if
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2094		2248
2095	=item cf::db_put $family => $key => $value	2249	=item cf::db_put $family => $key => $value
2096		2250
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you	2251	Stores the given C<$value> in the family.
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107		2252
2108	=cut	2253	=cut
2109		2254
2110	our $DB;	2255	our $DB;
2111		2256
2112	{	2257	sub db_init {
		2258	unless ($DB) {
		2259	$DB = BDB::db_create $DB_ENV;
		2260
		2261	cf::sync_job {
		2262	eval {
		2263	$DB->set_flags (BDB::CHKSUM);
		2264
		2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2267	cf::cleanup "db_open(db): $!" if $!;
		2268	};
		2269	cf::cleanup "db_open(db): $@" if $@;
		2270	};
		2271
2113	my $path = cf::localdir . "/database.pst";	2272	my $path = cf::localdir . "/database.pst";
		2273	if (stat $path) {
		2274	cf::sync_job {
		2275	my $pst = Storable::retrieve $path;
2114		2276
2115	sub db_load() {	2277	cf::db_put (board => data => $pst->{board});
2116	$DB = stat $path ? Storable::retrieve $path : { };	2278	cf::db_put (guildrules => data => $pst->{guildrules});
2117	}	2279	cf::db_put (rent => balance => $pst->{rent}{balance});
		2280	BDB::db_env_txn_checkpoint $DB_ENV;
2118		2281
2119	my $pid;	2282	unlink $path;
2120
2121	sub db_save() {
2122	waitpid $pid, 0 if $pid;
2123	if (0 == ($pid = fork)) {
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}	2283	};
2129	}	2284	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});	2285	}
		2286	}
2141		2287
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}
2146
2147	sub db_get($;$) {	2288	sub db_get($$) {
2148	@_ >= 2	2289	my $key = "$_[0]/$_[1]";
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152		2290
		2291	cf::sync_job {
		2292	BDB::db_get $DB, undef, $key, my $data;
		2293
		2294	$! ? ()
		2295	: Compress::LZF::sthaw $data
		2296	}
		2297	}
		2298
2153	sub db_put($$;$) {	2299	sub db_put($$$) {
2154	if (@_ >= 3) {	2300	BDB::dbreq_pri 4;
2155	$DB->{$_[0]}{$_[1]} = $_[2];	2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2302	}
		2303
		2304	#############################################################################
		2305	# the server's init and main functions
		2306
		2307	sub load_facedata {
		2308	my $path = sprintf "%s/facedata", cf::datadir;
		2309
		2310	warn "loading facedata from $path\n";
		2311
		2312	my $faces;
		2313	0 < aio_load $path, $faces
		2314	or die "$path: $!";
		2315
		2316	Coro::cede;
		2317	$faces = Storable::thaw $faces;
		2318	Coro::cede;
		2319
		2320	my $meta = delete $faces->{""};
		2321	$meta->{version} == 1
		2322	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2323
		2324	while (my ($face, $info) = each %$faces) {
		2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2329	Coro::cede;
		2330	}
		2331
		2332	while (my ($face, $info) = each %$faces) {
		2333	next unless $info->{smooth};
		2334	my $idx = cf::face::find $face
		2335	or next;
		2336	if (my $smooth = cf::face::find $info->{smooth}) {
		2337	cf::face::set_smooth $idx, $smooth;
2156	} else {	2338	} else {
2157	$DB->{$_[0]} = $_[1];	2339	warn "smooth face '$info->{smooth}' not found for face '$face'";
2158	}
2159	db_dirty;
2160	}
2161
2162	cf::global->attach (
2163	prio => 10000,
2164	on_cleanup => sub {
2165	db_sync;
2166	},	2340	}
2167	);	2341	Coro::cede;
2168	}	2342	}
2169		2343
2170	#############################################################################	2344	1
2171	# the server's main()	2345	}
		2346
		2347	sub reload_resources {
		2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2349	or die "unable to load regions file\n";#d#
		2350	load_facedata
		2351	or die "unable to load facedata\n";#d#
		2352	}
		2353
		2354	sub init {
		2355	reload_resources;
		2356	}
2172		2357
2173	sub cfg_load {	2358	sub cfg_load {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	2359	open my $fh, "<:utf8", cf::confdir . "/config"
2175	or return;	2360	or return;
2176		2361
…		…
2193		2378
2194	sub main {	2379	sub main {
2195	# we must not ever block the main coroutine	2380	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	2381	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2382	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2383	(async {
2198	async { Event::one_event };	2384	Event::one_event;
		2385	})->prio (Coro::PRIO_MAX);
2199	};	2386	};
2200		2387
2201	cfg_load;	2388	cfg_load;
2202	db_load;	2389	db_init;
2203	load_extensions;	2390	load_extensions;
		2391
		2392	$TICK_WATCHER->start;
2204	Event::loop;	2393	Event::loop;
2205	}	2394	}
2206		2395
2207	#############################################################################	2396	#############################################################################
2208	# initialisation and cleanup	2397	# initialisation and cleanup
2209		2398
2210	# install some emergency cleanup handlers	2399	# install some emergency cleanup handlers
2211	BEGIN {	2400	BEGIN {
2212	for my $signal (qw(INT HUP TERM)) {	2401	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	2402	Event->signal (
		2403	reentrant => 0,
2214	data => WF_AUTOCANCEL,	2404	data => WF_AUTOCANCEL,
2215	signal => $signal,	2405	signal => $signal,
		2406	prio => 0,
2216	cb => sub {	2407	cb => sub {
2217	cf::cleanup "SIG$signal";	2408	cf::cleanup "SIG$signal";
2218	},	2409	},
2219	);	2410	);
2220	}	2411	}
2221	}	2412	}
…		…
2226	warn "enter emergency perl save\n";	2417	warn "enter emergency perl save\n";
2227		2418
2228	cf::sync_job {	2419	cf::sync_job {
2229	# use a peculiar iteration method to avoid tripping on perl	2420	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	2421	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	2422	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	2423	warn "begin emergency player save\n";
2233	for my $login (keys %cf::PLAYER) {	2424	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	2425	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	2426	$pl->valid or next;
2236	$pl->save;	2427	$pl->save;
…		…
2242	my $map = $cf::MAP{$path} or next;	2433	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	2434	$map->valid or next;
2244	$map->save;	2435	$map->save;
2245	}	2436	}
2246	warn "end emergency map save\n";	2437	warn "end emergency map save\n";
		2438
		2439	warn "begin emergency database checkpoint\n";
		2440	BDB::db_env_txn_checkpoint $DB_ENV;
		2441	warn "end emergency database checkpoint\n";
2247	};	2442	};
2248		2443
2249	warn "leave emergency perl save\n";	2444	warn "leave emergency perl save\n";
		2445	}
		2446
		2447	sub post_cleanup {
		2448	my ($make_core) = @_;
		2449
		2450	warn Carp::longmess "post_cleanup backtrace"
		2451	if $make_core;
2250	}	2452	}
2251		2453
2252	sub reload() {	2454	sub reload() {
2253	# can/must only be called in main	2455	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	2456	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	2457	warn "can only reload from main coroutine";
2256	return;	2458	return;
2257	}	2459	}
2258		2460
2259	warn "reloading...";	2461	warn "reloading...";
2260		2462
2261	my $guard = freeze_mainloop;	2463	warn "entering sync_job";
		2464
		2465	cf::sync_job {
		2466	cf::write_runtime; # external watchdog should not bark
2262	cf::emergency_save;	2467	cf::emergency_save;
		2468	cf::write_runtime; # external watchdog should not bark
2263		2469
2264	eval {	2470	warn "syncing database to disk";
		2471	BDB::db_env_txn_checkpoint $DB_ENV;
		2472
2265	# if anything goes wrong in here, we should simply crash as we already saved	2473	# if anything goes wrong in here, we should simply crash as we already saved
2266		2474
2267	# cancel all watchers	2475	warn "cancelling all WF_AUTOCANCEL watchers";
2268	for (Event::all_watchers) {	2476	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	2477	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}	2478	}
2271		2479
		2480	warn "flushing outstanding aio requests";
		2481	for (;;) {
		2482	BDB::flush;
		2483	IO::AIO::flush;
		2484	Coro::cede;
		2485	last unless IO::AIO::nreqs || BDB::nreqs;
		2486	warn "iterate...";
		2487	}
		2488
		2489	++$RELOAD;
		2490
2272	# cancel all extension coros	2491	warn "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	2492	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	2493	%EXT_CORO = ();
2275		2494
2276	# unload all extensions	2495	warn "removing commands";
2277	for (@exts) {	2496	%COMMAND = ();
		2497
		2498	warn "removing ext commands";
		2499	%EXTCMD = ();
		2500
		2501	warn "unloading/nuking all extensions";
		2502	for my $pkg (@EXTS) {
2278	warn "unloading <$_>";	2503	warn "... unloading $pkg";
2279	unload_extension $_;	2504
		2505	if (my $cb = $pkg->can ("unload")) {
		2506	eval {
		2507	$cb->($pkg);
		2508	1
		2509	} or warn "$pkg unloaded, but with errors: $@";
2280	}	2510	}
2281		2511
		2512	warn "... nuking $pkg";
		2513	Symbol::delete_package $pkg;
		2514	}
		2515
2282	# unload all modules loaded from $LIBDIR	2516	warn "unloading all perl modules loaded from $LIBDIR";
2283	while (my ($k, $v) = each %INC) {	2517	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2518	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285		2519
2286	warn "removing <$k>";	2520	warn "... unloading $k";
2287	delete $INC{$k};	2521	delete $INC{$k};
2288		2522
2289	$k =~ s/\.pm$//;	2523	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;	2524	$k =~ s/\//::/g;
2291		2525
…		…
2294	}	2528	}
2295		2529
2296	Symbol::delete_package $k;	2530	Symbol::delete_package $k;
2297	}	2531	}
2298		2532
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	2533	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	2534	Symbol::delete_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2535	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		2536
2307	# remove register_script_function callbacks
2308	# TODO
2309
2310	# unload cf.pm "a bit"	2537	warn "unloading cf.pm \"a bit\"";
2311	delete $INC{"cf.pm"};	2538	delete $INC{"cf.pm"};
2312		2539
2313	# don't, removes xs symbols, too,	2540	# don't, removes xs symbols, too,
2314	# and global variables created in xs	2541	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	2542	#Symbol::delete_package __PACKAGE__;
2316		2543
2317	# reload cf.pm	2544	warn "unload completed, starting to reload now";
		2545
2318	warn "reloading cf.pm";	2546	warn "reloading cf.pm";
2319	require cf;	2547	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2548	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		2549
2322	# load config and database again	2550	warn "loading config and database again";
2323	cf::cfg_load;	2551	cf::cfg_load;
2324	cf::db_load;
2325		2552
2326	# load extensions
2327	warn "load extensions";	2553	warn "loading extensions";
2328	cf::load_extensions;	2554	cf::load_extensions;
2329		2555
2330	# reattach attachments to objects	2556	warn "reattaching attachments to objects/players";
2331	warn "reattach";	2557	_global_reattach; # objects, sockets
2332	_global_reattach;	2558	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	2559	reattach $_ for values %MAP;
2334	};	2560	warn "reattaching attachments to players";
		2561	reattach $_ for values %PLAYER;
2335		2562
2336	if ($@) {	2563	warn "loading reloadable resources";
		2564	reload_resources;
		2565
		2566	warn "leaving sync_job";
		2567
		2568	1
		2569	} or do {
2337	warn $@;	2570	warn $@;
2338	warn "error while reloading, exiting.";	2571	warn "error while reloading, exiting.";
2339	exit 1;	2572	exit 1;
2340	}	2573	};
2341		2574
2342	warn "reloaded successfully";	2575	warn "reloaded";
2343	};	2576	};
2344		2577
2345	#############################################################################	2578	our $RELOAD_WATCHER; # used only during reload
2346
2347	unless ($LINK_MAP) {
2348	$LINK_MAP = cf::map::new;
2349
2350	$LINK_MAP->width (41);
2351	$LINK_MAP->height (41);
2352	$LINK_MAP->alloc;
2353	$LINK_MAP->path ("{link}");
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,
2360	cb => sub {
2361	$_[0]->w->cancel;
2362
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});
2381
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}
2387
2388	register "<global>", __PACKAGE__;
2389		2579
2390	register_command "reload" => sub {	2580	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	2581	my ($who, $arg) = @_;
2392		2582
2393	if ($who->flag (FLAG_WIZ)) {	2583	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");	2584	$who->message ("reloading server.");
		2585
		2586	# doing reload synchronously and two reloads happen back-to-back,
		2587	# coro crashes during coro_state_free->destroy here.
		2588
		2589	$RELOAD_WATCHER ||= Event->timer (
		2590	reentrant => 0,
		2591	after => 0,
		2592	data => WF_AUTOCANCEL,
		2593	cb => sub {
2395	reload;	2594	reload;
2396	$who->message ("end of reload.");	2595	undef $RELOAD_WATCHER;
		2596	},
		2597	);
2397	}	2598	}
2398	};	2599	};
2399		2600
2400	unshift @INC, $LIBDIR;	2601	unshift @INC, $LIBDIR;
		2602
		2603	my $bug_warning = 0;
2401		2604
2402	$TICK_WATCHER = Event->timer (	2605	$TICK_WATCHER = Event->timer (
2403	reentrant => 0,	2606	reentrant => 0,
		2607	parked => 1,
2404	prio => 0,	2608	prio => 0,
2405	at => $NEXT_TICK || $TICK,	2609	at => $NEXT_TICK || $TICK,
2406	data => WF_AUTOCANCEL,	2610	data => WF_AUTOCANCEL,
2407	cb => sub {	2611	cb => sub {
		2612	if ($Coro::current != $Coro::main) {
		2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2614	unless ++$bug_warning > 10;
		2615	return;
		2616	}
		2617
		2618	$NOW = Event::time;
		2619
2408	cf::server_tick; # one server iteration	2620	cf::server_tick; # one server iteration
2409	$RUNTIME += $TICK;	2621	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;	2622	$NEXT_TICK += $TICK;
2411		2623
		2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2625	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2626	Coro::async_pool {
		2627	write_runtime
		2628	or warn "ERROR: unable to write runtime file: $!";
		2629	};
		2630	}
		2631
2412	$WAIT_FOR_TICK->broadcast;	2632	$WAIT_FOR_TICK->broadcast;
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2634
		2635	# my $AFTER = Event::time;
		2636	# warn $AFTER - $NOW;#d#
2414		2637
2415	# if we are delayed by four ticks or more, skip them all	2638	# if we are delayed by four ticks or more, skip them all
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2417		2640
2418	$TICK_WATCHER->at ($NEXT_TICK);	2641	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;	2642	$TICK_WATCHER->start;
2420	},	2643	},
2421	);	2644	);
2422		2645
		2646	{
2423	IO::AIO::max_poll_time $TICK * 0.2;	2647	BDB::max_poll_time $TICK * 0.1;
2424		2648	$BDB_POLL_WATCHER = Event->io (
2425	Event->io (	2649	reentrant => 0,
2426	fd => IO::AIO::poll_fileno,	2650	fd => BDB::poll_fileno,
2427	poll => 'r',	2651	poll => 'r',
2428	prio => 5,	2652	prio => 0,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2435	after => 0,	2654	cb => \&BDB::poll_cb,
2436	interval => 10,	2655	);
2437	cb => sub {	2656	BDB::min_parallel 8;
2438	(Coro::unblock_sub {	2657
2439	write_runtime	2658	BDB::set_sync_prepare {
2440	or warn "ERROR: unable to write runtime file: $!";	2659	my $status;
		2660	my $current = $Coro::current;
		2661	(
		2662	sub {
		2663	$status = $!;
		2664	$current->ready; undef $current;
		2665	},
		2666	sub {
		2667	Coro::schedule while defined $current;
		2668	$! = $status;
		2669	},
		2670	)
		2671	};
		2672
		2673	unless ($DB_ENV) {
		2674	$DB_ENV = BDB::db_env_create;
		2675
		2676	cf::sync_job {
		2677	eval {
		2678	BDB::db_env_open
		2679	$DB_ENV,
		2680	$BDB_ENV_DIR,
		2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2683	0666;
		2684
		2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2686
		2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2688	$DB_ENV->set_lk_detect;
		2689	};
		2690
		2691	cf::cleanup "db_env_open(db): $@" if $@;
2441	})->();	2692	};
2442	},	2693	}
2443	);	2694	}
		2695
		2696	{
		2697	IO::AIO::min_parallel 8;
		2698
		2699	undef $Coro::AIO::WATCHER;
		2700	IO::AIO::max_poll_time $TICK * 0.1;
		2701	$AIO_POLL_WATCHER = Event->io (
		2702	reentrant => 0,
		2703	data => WF_AUTOCANCEL,
		2704	fd => IO::AIO::poll_fileno,
		2705	poll => 'r',
		2706	prio => 6,
		2707	cb => \&IO::AIO::poll_cb,
		2708	);
		2709	}
2444		2710
2445	END { cf::emergency_save }	2711	END { cf::emergency_save }
2446		2712
2447	1	2713	1
2448		2714

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