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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.151 by root, Mon Jan 8 20:59:15 2007 UTC vs.
Revision 1.228 by root, Mon Mar 26 16:53:33 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 ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
		26	use YAML::Syck ();
22	use IO::AIO 2.32 ();	27	use IO::AIO 2.32 ();
23	use YAML::Syck ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		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
26	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
27		37
28	# 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?
29	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
30		40
31	$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
32		42
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	our %COMMAND = ();	45	our %COMMAND = ();
36	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
38		52
		53	our $RELOAD; # number of reloads so far
39	our @EVENT;	54	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
41		56
42	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	61	our $NEXT_TICK;
45	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;
46		67
47	our %CFG;	68	our %CFG;
48		69
49	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	71	our $RUNTIME;
51		72
52	our %PLAYER; # all users	73	our %PLAYER; # all users
53	our %MAP; # all maps	74	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO; # coroutines bound to extensions	77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= 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
57		84
58	binmode STDOUT;	85	binmode STDOUT;
59	binmode STDERR;	86	binmode STDERR;
60		87
61	# read virtual server time, if available	88	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	95	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
73		101
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
77		105
78	#############################################################################	106	#############################################################################
79		107
80	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
81		109
…		…
105		133
106	=item %cf::CFG	134	=item %cf::CFG
107		135
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window of cpu time available, or simply to synchronise to the server tick.
110		145
111	=back	146	=back
112		147
113	=cut	148	=cut
114		149
…		…
146		181
147	$Event::DIED = sub {	182	$Event::DIED = sub {
148	warn "error in event callback: @_";	183	warn "error in event callback: @_";
149	};	184	};
150		185
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
156		187
157	=over 4	188	=over 4
158		189
159	=cut	190	=item dumpval $ref
160		191
		192	=cut
		193
		194	sub dumpval {
		195	eval {
		196	local $SIG{__DIE__};
		197	my $d;
		198	if (1) {
		199	$d = new Data::Dumper([$_[0]], ["*var"]);
		200	$d->Terse(1);
		201	$d->Indent(2);
		202	$d->Quotekeys(0);
		203	$d->Useqq(1);
		204	#$d->Bless(...);
		205	$d->Seen($_[1]) if @_ > 1;
		206	$d = $d->Dump();
		207	}
		208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		209	$d
		210	} || "[unable to dump $_[0]: '$@']";
		211	}
		212
161	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
162		214
163	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
164		216
165	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
166		218
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
175		220
176	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
177
178	=cut
179
180	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]
183	}
184		222
185	=item cf::lock_wait $string	223	=item cf::lock_wait $string
186		224
187	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
188		226
…		…
225	}	263	}
226		264
227	sub freeze_mainloop {	265	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
229		267
230	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
231	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
232	$guard	272	$guard
233	}	273	}
234		274
235	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
287	}	327	}
288	}	328	}
289		329
290	=item $coro = cf::async_ext { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
291		331
292	Like async, but this coro is automcatially being canceled when the	332	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	333	extension calling this is being unloaded.
294		334
295	=cut	335	=cut
296		336
297	sub async_ext(&) {	337	sub async_ext(&) {
…		…
306		346
307	$coro	347	$coro
308	}	348	}
309		349
310	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
311	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
312		354
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	356	or return;
315		357
		358	my $value = $cf::RUNTIME + 90 + 10;
316	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
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	363	and return;
319		364
		365	# always fsync - this file is important
320	aio_fsync $fh	366	aio_fsync $fh
321	and return;	367	and return;
322		368
323	close $fh	369	close $fh
324	or return;	370	or return;
…		…
330	}	376	}
331		377
332	=back	378	=back
333		379
334	=cut	380	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		381
456	#############################################################################	382	#############################################################################
457		383
458	=head2 ATTACHABLE OBJECTS	384	=head2 ATTACHABLE OBJECTS
459		385
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	511	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	512	our @CB_MAP = ();
587		513
588	my %attachment;	514	my %attachment;
589		515
		516	sub cf::attachable::thawer_merge {
		517	# simply override everything except _meta
		518	local $_[0]{_meta};
		519	%{$_[0]} = %{$_[1]};
		520	}
		521
590	sub _attach_cb($$$$) {	522	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	523	my ($registry, $event, $prio, $cb) = @_;
592		524
593	use sort 'stable';	525	use sort 'stable';
594		526
…		…
765	# object support	697	# object support
766		698
767	sub reattach {	699	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	700	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	701	my ($obj) = @_;
		702
		703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		704
771	my $registry = $obj->registry;	705	my $registry = $obj->registry;
772		706
773	@$registry = ();	707	@$registry = ();
774		708
…		…
821	$filename, length $$rdata, scalar @$objs;	755	$filename, length $$rdata, scalar @$objs;
822		756
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	758	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	760	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	761	close $fh;
828		762
829	if (@$objs) {	763	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	765	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	766	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	767	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	769	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	770	aio_rename "$filename.pst~", "$filename.pst";
837	}	771	}
838	} else {	772	} else {
839	aio_unlink "$filename.pst";	773	aio_unlink "$filename.pst";
…		…
906	=cut	840	=cut
907		841
908	sub register_extcmd {	842	sub register_extcmd {
909	my ($name, $cb) = @_;	843	my ($name, $cb) = @_;
910		844
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	845	$EXTCMD{$name} = $cb;
915	}	846	}
916		847
917	cf::player->attach (	848	cf::player->attach (
918	on_command => sub {	849	on_command => sub {
919	my ($pl, $name, $params) = @_;	850	my ($pl, $name, $params) = @_;
…		…
932		863
933	my $msg = eval { from_json $buf };	864	my $msg = eval { from_json $buf };
934		865
935	if (ref $msg) {	866	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	868	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	869	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	870	}
940	}	871	}
941	} else {	872	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		875
945	cf::override;	876	cf::override;
946	},	877	},
947	);	878	);
948		879
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	880	sub load_extension {
956	my ($path) = @_;	881	my ($path) = @_;
957		882
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	884	my $base = $1;
960	my $pkg = $1;	885	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	886	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	887	$pkg = "ext::$pkg";
963		888
964	warn "loading '$path' into '$pkg'\n";	889	warn "... loading '$path' into '$pkg'\n";
965		890
966	open my $fh, "<:utf8", $path	891	open my $fh, "<:utf8", $path
967	or die "$path: $!";	892	or die "$path: $!";
968		893
969	my $source =	894	my $source =
970	"package $pkg; use strict; use utf8;\n"	895	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	896	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	897	. (do { local $/; <$fh> })
973	. "\n};\n1";	898	. "\n};\n1";
974		899
975	eval $source	900	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	901	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	902	: "extension disabled.\n";
978		903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	904	warn $@;
980	$ext_pkg{$base} = $pkg;	905	warn "mandatory extension failed to load, exiting.\n";
981		906	exit 1;
982	# no strict 'refs';	907	}
983	# @{"$pkg\::ISA"} = ext::;	908	die $@;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }	909	}
998		910
999	# remove commands	911	push @EXTS, $pkg;
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	912	}
1024		913
1025	sub load_extensions {	914	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	915	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	916	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	920	} or warn "$ext not loaded: $@";
1032	}	921	}
1033	}	922	}
1034		923
1035	#############################################################################	924	#############################################################################
1036	# load/save/clean perl data associated with a map
1037
1038	*cf::mapsupport::on_clean = sub {
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		925
1073	=head2 CORE EXTENSIONS	926	=head2 CORE EXTENSIONS
1074		927
1075	Functions and methods that extend core crossfire objects.	928	Functions and methods that extend core crossfire objects.
1076		929
1077	=cut	930	=cut
1078		931
1079	package cf::player;	932	package cf::player;
		933
		934	use Coro::AIO;
1080		935
1081	=head3 cf::player	936	=head3 cf::player
1082		937
1083	=over 4	938	=over 4
1084		939
…		…
1110		965
1111	sub exists($) {	966	sub exists($) {
1112	my ($login) = @_;	967	my ($login) = @_;
1113		968
1114	$cf::PLAYER{$login}	969	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	970	or cf::sync_job { !aio_stat path $login }
1116	}	971	}
1117		972
1118	sub find($) {	973	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	974	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	975	my $login = $_[0];
…		…
1137	my $path = path $pl;	992	my $path = path $pl;
1138	my $guard = cf::lock_acquire "user_save:$path";	993	my $guard = cf::lock_acquire "user_save:$path";
1139		994
1140	return if $pl->{deny_save};	995	return if $pl->{deny_save};
1141		996
1142	Coro::AIO::aio_mkdir playerdir $pl, 0770;	997	aio_mkdir playerdir $pl, 0770;
1143	$pl->{last_save} = $cf::RUNTIME;	998	$pl->{last_save} = $cf::RUNTIME;
1144		999
1145	$pl->save_pl ($path);	1000	$pl->save_pl ($path);
1146	Coro::cede;	1001	Coro::cede;
1147	}	1002	}
…		…
1157	$cf::PLAYER{$login} = $self;	1012	$cf::PLAYER{$login} = $self;
1158		1013
1159	$self	1014	$self
1160	}	1015	}
1161		1016
		1017	=item $pl->quit_character
		1018
		1019	Nukes the player without looking back. If logged in, the connection will
		1020	be destroyed. May block for a long time.
		1021
		1022	=cut
		1023
1162	sub quit_character {	1024	sub quit_character {
1163	my ($pl) = @_;	1025	my ($pl) = @_;
		1026
		1027	my $name = $pl->ob->name;
1164		1028
1165	$pl->{deny_save} = 1;	1029	$pl->{deny_save} = 1;
1166	$pl->password ("*"); # this should lock out the player until we nuked the dir	1030	$pl->password ("*"); # this should lock out the player until we nuked the dir
1167		1031
1168	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1170	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1171	$pl->ns->destroy if $pl->ns;	1035	$pl->ns->destroy if $pl->ns;
1172		1036
1173	my $path = playerdir $pl;	1037	my $path = playerdir $pl;
1174	my $temp = "$path~$cf::RUNTIME~deleting~";	1038	my $temp = "$path~$cf::RUNTIME~deleting~";
1175	Coro::AIO::aio_rename $path, $temp;	1039	aio_rename $path, $temp;
1176	delete $cf::PLAYER{$pl->ob->name};	1040	delete $cf::PLAYER{$pl->ob->name};
1177	$pl->destroy;	1041	$pl->destroy;
		1042
		1043	my $prefix = qr<^~\Q$name\E/>;
		1044
		1045	# nuke player maps
		1046	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1047
1178	IO::AIO::aio_rmtree $temp;	1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item $pl->kick
		1052
		1053	Kicks a player out of the game. This destroys the connection.
		1054
		1055	=cut
		1056
		1057	sub kick {
		1058	my ($pl, $kicker) = @_;
		1059
		1060	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1061	$pl->killer ("kicked");
		1062	$pl->ns->destroy;
		1063	}
		1064
		1065	=item cf::player::list_logins
		1066
		1067	Returns am arrayref of all valid playernames in the system, can take a
		1068	while and may block, so not sync_job-capable, ever.
		1069
		1070	=cut
		1071
		1072	sub list_logins {
		1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1074	or return [];
		1075
		1076	my @logins;
		1077
		1078	for my $login (@$dirs) {
		1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1080	aio_read $fh, 0, 512, my $buf, 0 or next;
		1081	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1082
		1083	utf8::decode $login;
		1084	push @logins, $login;
		1085	}
		1086
		1087	\@logins
		1088	}
		1089
		1090	=item $player->maps
		1091
		1092	Returns an arrayref of map paths that are private for this
		1093	player. May block.
		1094
		1095	=cut
		1096
		1097	sub maps($) {
		1098	my ($pl) = @_;
		1099
		1100	$pl = ref $pl ? $pl->ob->name : $pl;
		1101
		1102	my $files = aio_readdir playerdir $pl
		1103	or return;
		1104
		1105	my @paths;
		1106
		1107	for (@$files) {
		1108	utf8::decode $_;
		1109	next if /\.(?:pl|pst)$/;
		1110	next unless /^$PATH_SEP/o;
		1111
		1112	push @paths, cf::map::normalise "~$pl/$_";
		1113	}
		1114
		1115	\@paths
1179	}	1116	}
1180		1117
1181	=item $player->ext_reply ($msgid, $msgtype, %msg)	1118	=item $player->ext_reply ($msgid, $msgtype, %msg)
1182		1119
1183	Sends an ext reply to the player.	1120	Sends an ext reply to the player.
…		…
1206	package cf::map;	1143	package cf::map;
1207		1144
1208	use Fcntl;	1145	use Fcntl;
1209	use Coro::AIO;	1146	use Coro::AIO;
1210		1147
		1148	use overload
		1149	'""' => \&as_string,
		1150	fallback => 1;
		1151
1211	our $MAX_RESET = 3600;	1152	our $MAX_RESET = 3600;
1212	our $DEFAULT_RESET = 3000;	1153	our $DEFAULT_RESET = 3000;
1213		1154
1214	sub generate_random_map {	1155	sub generate_random_map {
1215	my ($path, $rmp) = @_;	1156	my ($self, $rmp) = @_;
1216
1217	# mit "rum" bekleckern, nicht	1157	# mit "rum" bekleckern, nicht
1218	cf::map::_create_random_map	1158	$self->_create_random_map (
1219	$path,
1220	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1221	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1222	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1223	$rmp->{exit_on_final_map},	1162	$rmp->{exit_on_final_map},
1224	$rmp->{xsize}, $rmp->{ysize},	1163	$rmp->{xsize}, $rmp->{ysize},
1225	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1226	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1227	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1228	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1167	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1229	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1230	(cf::region::find $rmp->{region})	1169	(cf::region::find $rmp->{region}), $rmp->{custom}
		1170	)
		1171	}
		1172
		1173	=item cf::map->register ($regex, $prio)
		1174
		1175	Register a handler for the map path matching the given regex at the
		1176	givne priority (higher is better, built-in handlers have priority 0, the
		1177	default).
		1178
		1179	=cut
		1180
		1181	sub register {
		1182	my (undef, $regex, $prio) = @_;
		1183	my $pkg = caller;
		1184
		1185	no strict;
		1186	push @{"$pkg\::ISA"}, __PACKAGE__;
		1187
		1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1189	}
		1190
		1191	# also paths starting with '/'
		1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1193
		1194	sub thawer_merge {
		1195	my ($self, $merge) = @_;
		1196
		1197	# we have to keep some variables in memory intact
		1198	local $self->{path};
		1199	local $self->{load_path};
		1200	local $self->{deny_save};
		1201	local $self->{deny_reset};
		1202
		1203	$self->SUPER::thawer_merge ($merge);
		1204	}
		1205
		1206	sub normalise {
		1207	my ($path, $base) = @_;
		1208
		1209	$path = "$path"; # make sure its a string
		1210
		1211	$path =~ s/\.map$//;
		1212
		1213	# map plan:
		1214	#
		1215	# /! non-realised random map exit (special hack!)
		1216	# {... are special paths that are not being touched
		1217	# ?xxx/... are special absolute paths
		1218	# ?random/... random maps
		1219	# /... normal maps
		1220	# ~user/... per-player map of a specific user
		1221
		1222	$path =~ s/$PATH_SEP/\//go;
		1223
		1224	# treat it as relative path if it starts with
		1225	# something that looks reasonable
		1226	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1227	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1228
		1229	$base =~ s{[^/]+/?$}{};
		1230	$path = "$base/$path";
		1231	}
		1232
		1233	for ($path) {
		1234	redo if s{//}{/};
		1235	redo if s{/\.?/}{/};
		1236	redo if s{/[^/]+/\.\./}{/};
		1237	}
		1238
		1239	$path
		1240	}
		1241
		1242	sub new_from_path {
		1243	my (undef, $path, $base) = @_;
		1244
		1245	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1246
		1247	$path = normalise $path, $base;
		1248
		1249	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1250	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1251	my $self = bless cf::map::new, $pkg;
		1252	$self->{path} = $path; $self->path ($path);
		1253	$self->init; # pass $1 etc.
		1254	return $self;
		1255	}
		1256	}
		1257
		1258	Carp::carp "unable to resolve path '$path' (base '$base').";
		1259	()
		1260	}
		1261
		1262	sub init {
		1263	my ($self) = @_;
		1264
		1265	$self
		1266	}
		1267
		1268	sub as_string {
		1269	my ($self) = @_;
		1270
		1271	"$self->{path}"
		1272	}
		1273
		1274	# the displayed name, this is a one way mapping
		1275	sub visible_name {
		1276	&as_string
		1277	}
		1278
		1279	# the original (read-only) location
		1280	sub load_path {
		1281	my ($self) = @_;
		1282
		1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1284	}
		1285
		1286	# the temporary/swap location
		1287	sub save_path {
		1288	my ($self) = @_;
		1289
		1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1292	}
		1293
		1294	# the unique path, undef == no special unique path
		1295	sub uniq_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1231	}	1300	}
1232		1301
1233	# and all this just because we cannot iterate over	1302	# and all this just because we cannot iterate over
1234	# all maps in C++...	1303	# all maps in C++...
1235	sub change_all_map_light {	1304	sub change_all_map_light {
…		…
1237		1306
1238	$_->change_map_light ($change)	1307	$_->change_map_light ($change)
1239	for grep $_->outdoor, values %cf::MAP;	1308	for grep $_->outdoor, values %cf::MAP;
1240	}	1309	}
1241		1310
		1311	sub unlink_save {
		1312	my ($self) = @_;
		1313
		1314	utf8::encode (my $save = $self->save_path);
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1317	}
		1318
1242	sub try_load_header($) {	1319	sub load_header_from($) {
1243	my ($path) = @_;	1320	my ($self, $path) = @_;
1244		1321
1245	utf8::encode $path;	1322	utf8::encode $path;
1246	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1247	or return;	1327	or return;
1248		1328
1249	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1250	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1251		1375
1252	# for better error messages only, will be overwritten	1376	1
1253	$map->path ($path);
1254
1255	$map->load_header ($path)
1256	or return;
1257
1258	$map->{load_path} = $path;
1259
1260	$map
1261	}	1377	}
1262		1378
1263	sub find;	1379	sub find;
1264	sub find {	1380	sub find {
1265	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1266		1382
1267	#warn "find<$path,$origin>\n";#d#
1268
1269	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1270	my $key = $path->as_string;
1271		1384
1272	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1273		1386
1274	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1275	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1276		1389	my $map = new_from_path cf::map $path
1277	# do it the slow way
1278	my $map = try_load_header $path->save_path;
1279
1280	Coro::cede;
1281
1282	if ($map) {
1283	$map->last_access ((delete $map->{last_access})
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$map->{instantiate_time} = $cf::RUNTIME
1287	if $map->{instantiate_time} > $cf::RUNTIME;
1288	} else {
1289	if (my $rmp = $path->random_map_params) {
1290	$map = generate_random_map $key, $rmp;
1291	} else {
1292	$map = try_load_header $path->load_path;
1293	}
1294
1295	$map or return;	1390	or return;
1296		1391
1297	$map->{load_original} = 1;
1298	$map->{instantiate_time} = $cf::RUNTIME;
1299	$map->last_access ($cf::RUNTIME);
1300	$map->instantiate;
1301
1302	# per-player maps become, after loading, normal maps
1303	$map->per_player (0) if $path->{user_rel};
1304	}
1305
1306	$map->path ($key);
1307	$map->{path} = $path;
1308	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1309		1393
1310	Coro::cede;	1394	$map->load_header
		1395	or return;
1311		1396
1312	if ($map->should_reset) {	1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1313	$map->reset;	1400	$map->reset;
1314	undef $guard;	1401	undef $guard;
1315	$map = find $path	1402	return find $path;
1316	or return;
1317	}	1403	}
1318		1404
1319	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1320	}	1406	}
1321	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1322		1411
1323	sub load {	1412	sub load {
1324	my ($self) = @_;	1413	my ($self) = @_;
1325		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1326	my $path = $self->{path};	1417	my $path = $self->{path};
1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1328		1419
1329	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1330		1421
1331	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1332		1423
1333	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1334	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1335	or return;	1429	or return;
1336		1430
1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1338	if delete $self->{load_original};	1432	if delete $self->{load_original};
1339		1433
1340	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1341	utf8::encode $uniq;	1435	utf8::encode $uniq;
1342	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1343	$self->clear_unique_items;	1437	$self->clear_unique_items;
1344	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1345	}	1439	}
1346	}	1440	}
1347		1441
1348	Coro::cede;	1442	Coro::cede;
1349		1443
1350	# now do the right thing for maps	1444	# now do the right thing for maps
1351	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1352		1446
1353	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1354	$self->{deny_save} = 1;	1448	$self->decay_objects;
1355	$self->{deny_reset} = 1;
1356	} else {
1357	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1358	$self->decay_objects;
1359	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1360	$self->set_darkness_map;	1452	$self->set_darkness_map;
1361	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1362	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1363	$self->activate;	1456	$self->activate;
1364	}	1457	}
1365		1458
1366	Coro::cede;	1459	$self->post_load;
1367		1460
1368	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
		1462	}
		1463
		1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
		1471	}
		1472
		1473	# find and load all maps in the 3x3 area around a map
		1474	sub load_diag {
		1475	my ($map) = @_;
		1476
		1477	my @diag; # diagonal neighbours
		1478
		1479	for (0 .. 3) {
		1480	my $neigh = $map->tile_path ($_)
		1481	or next;
		1482	$neigh = find $neigh, $map
		1483	or next;
		1484	$neigh->load;
		1485
		1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1488	}
		1489
		1490	for (@diag) {
		1491	my $neigh = find @$_
		1492	or next;
		1493	$neigh->load;
		1494	}
1369	}	1495	}
1370		1496
1371	sub find_sync {	1497	sub find_sync {
1372	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1373		1499
1374	cf::sync_job { cf::map::find $path, $origin }	1500	cf::sync_job { find $path, $origin }
1375	}	1501	}
1376		1502
1377	sub do_load_sync {	1503	sub do_load_sync {
1378	my ($map) = @_;	1504	my ($map) = @_;
1379		1505
1380	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1381	}	1507	}
1382		1508
		1509	our %MAP_PREFETCH;
		1510	our $MAP_PREFETCHER = undef;
		1511
		1512	sub find_async {
		1513	my ($path, $origin) = @_;
		1514
		1515	$path = normalise $path, $origin && $origin->{path};
		1516
		1517	if (my $map = $cf::MAP{$path}) {
		1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1519	}
		1520
		1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
		1527	$map->load;
		1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
		1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
		1537	}
		1538
1383	sub save {	1539	sub save {
1384	my ($self) = @_;	1540	my ($self) = @_;
1385		1541
1386	my $lock = cf::lock_acquire "map_data:" . $self->path;	1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1387		1543
1388	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1389		1545
1390	return unless $self->dirty;	1546	return unless $self->dirty;
1391		1547
1392	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1394		1550
1395	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1396		1552
1397	return if $self->{deny_save};	1553	return if $self->{deny_save};
1398		1554
…		…
1401	cf::async {	1557	cf::async {
1402	$_->contr->save for $self->players;	1558	$_->contr->save for $self->players;
1403	};	1559	};
1404		1560
1405	if ($uniq) {	1561	if ($uniq) {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1407	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1408	} else {	1564	} else {
1409	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1410	}	1566	}
1411	}	1567	}
1412		1568
1413	sub swap_out {	1569	sub swap_out {
1414	my ($self) = @_;	1570	my ($self) = @_;
…		…
1428		1584
1429	sub reset_at {	1585	sub reset_at {
1430	my ($self) = @_;	1586	my ($self) = @_;
1431		1587
1432	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1433	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1434	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1435		1591
1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1437	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1438		1594
…		…
1443	my ($self) = @_;	1599	my ($self) = @_;
1444		1600
1445	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1446	}	1602	}
1447		1603
1448	sub unlink_save {
1449	my ($self) = @_;
1450
1451	utf8::encode (my $save = $self->{path}->save_path);
1452	aioreq_pri 3; IO::AIO::aio_unlink $save;
1453	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1454	}
1455
1456	sub rename {
1457	my ($self, $new_path) = @_;
1458
1459	$self->unlink_save;
1460
1461	delete $cf::MAP{$self->path};
1462	$self->{path} = new cf::path $new_path;
1463	$self->path ($self->{path}->as_string);
1464	$cf::MAP{$self->path} = $self;
1465
1466	$self->save;
1467	}
1468
1469	sub reset {	1604	sub reset {
1470	my ($self) = @_;	1605	my ($self) = @_;
1471		1606
1472	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1473		1608
1474	return if $self->players;	1609	return if $self->players;
1475	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1476		1611
1477	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1478		1613
		1614	$self->in_memory (cf::MAP_SWAPPED);
		1615
		1616	# need to save uniques path
		1617	unless ($self->{deny_save}) {
		1618	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1619
		1620	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1621	if $uniq;
		1622	}
		1623
1479	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1480		1627
1481	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1482		1629
1483	$self->unlink_save;	1630	$self->unlink_save;
1484	$self->destroy;	1631	$self->destroy;
…		…
1487	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1488		1635
1489	sub nuke {	1636	sub nuke {
1490	my ($self) = @_;	1637	my ($self) = @_;
1491		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1492	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1493	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1494	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1495	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1496	}	1652	}
1497		1653
1498	sub customise_for {	1654	=item cf::map::unique_maps
1499	my ($map, $ob) = @_;
1500		1655
1501	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1503	}
1504		1658
1505	$map	1659	=cut
1506	}
1507		1660
1508	sub emergency_save {	1661	sub unique_maps() {
1509	my $freeze_guard = cf::freeze_mainloop;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1510		1664
1511	warn "enter emergency perl save\n";	1665	my @paths;
1512		1666
1513	cf::sync_job {	1667	for (@$files) {
1514	warn "begin emergency player save\n";	1668	utf8::decode $_;
1515	$_->save for values %cf::PLAYER;	1669	next if /\.pst$/;
1516	warn "end emergency player save\n";	1670	next unless /^$PATH_SEP/o;
1517		1671
1518	warn "begin emergency map save\n";	1672	push @paths, cf::map::normalise $_;
1519	$_->save for values %cf::MAP;
1520	warn "end emergency map save\n";
1521	};	1673	}
1522		1674
1523	warn "leave emergency perl save\n";	1675	\@paths
1524	}	1676	}
1525		1677
1526	package cf;	1678	package cf;
1527		1679
1528	=back	1680	=back
1529		1681
		1682	=head3 cf::object
		1683
		1684	=cut
		1685
		1686	package cf::object;
		1687
		1688	=over 4
		1689
		1690	=item $ob->inv_recursive
		1691
		1692	Returns the inventory of the object _and_ their inventories, recursively.
		1693
		1694	=cut
		1695
		1696	sub inv_recursive_;
		1697	sub inv_recursive_ {
		1698	map { $_, inv_recursive_ $_->inv } @_
		1699	}
		1700
		1701	sub inv_recursive {
		1702	inv_recursive_ inv $_[0]
		1703	}
		1704
		1705	package cf;
		1706
		1707	=back
1530		1708
1531	=head3 cf::object::player	1709	=head3 cf::object::player
1532		1710
1533	=over 4	1711	=over 4
1534		1712
…		…
1574		1752
1575	=item $player_object->enter_link	1753	=item $player_object->enter_link
1576		1754
1577	Freezes the player and moves him/her to a special map (C<{link}>).	1755	Freezes the player and moves him/her to a special map (C<{link}>).
1578		1756
1579	The player should be reaosnably safe there for short amounts of time. You	1757	The player should be reasonably safe there for short amounts of time. You
1580	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1581		1759
		1760	Will never block.
		1761
1582	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1583		1763
1584	Moves the player out of the specila link map onto the given map. If the	1764	Moves the player out of the special C<{link}> map onto the specified
1585	map is not valid (or omitted), the player will be moved back to the	1765	map. If the map is not valid (or omitted), the player will be moved back
1586	location he/she was before the call to C<enter_link>, or, if that fails,	1766	to the location he/she was before the call to C<enter_link>, or, if that
1587	to the emergency map position.	1767	fails, to the emergency map position.
1588		1768
1589	Might block.	1769	Might block.
1590		1770
1591	=cut	1771	=cut
		1772
		1773	sub link_map {
		1774	unless ($LINK_MAP) {
		1775	$LINK_MAP = cf::map::find "{link}"
		1776	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1777	$LINK_MAP->load;
		1778	}
		1779
		1780	$LINK_MAP
		1781	}
1592		1782
1593	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1594	my ($self) = @_;	1784	my ($self) = @_;
1595		1785
1596	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1597		1787
1598	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1599		1789
1600	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1601	if $self->map;	1791	if $self->map;
1602		1792
1603	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1604	}	1794	}
1605		1795
1606	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1607	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1608		1798
…		…
1626	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1627	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1628	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1629		1819
1630	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1631		1822
1632	return unless $self->contr->active;	1823	return unless $self->contr->active;
1633	$self->activate_recursive;	1824	$self->activate_recursive;
		1825
		1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1634	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1635	}	1828	}
1636		1829
1637	cf::player->attach (	1830	cf::player->attach (
1638	on_logout => sub {	1831	on_logout => sub {
…		…
1651	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1652	# should happen only on crashes	1845	# should happen only on crashes
1653	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1654	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1655	(async {	1848	(async {
1656	# we need this sleep as the login has a concurrent enter_exit running
1657	# and this sleep increases chances of the player not ending up in scorn
1658	$pl->ob->reply (undef,	1849	$pl->ob->reply (undef,
1659	"There was an internal problem at your last logout, "	1850	"There was an internal problem at your last logout, "
1660	. "the server will try to bring you to your intended destination in a second.",	1851	. "the server will try to bring you to your intended destination in a second.",
1661	cf::NDI_RED);	1852	cf::NDI_RED);
		1853	# we need this sleep as the login has a concurrent enter_exit running
		1854	# and this sleep increases chances of the player not ending up in scorn
1662	Coro::Timer::sleep 1;	1855	Coro::Timer::sleep 1;
1663	$pl->ob->leave_link;	1856	$pl->ob->leave_link;
1664	})->prio (2);	1857	})->prio (2);
1665	}	1858	}
1666	},	1859	},
…		…
1674	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1675		1868
1676	$self->enter_link;	1869	$self->enter_link;
1677		1870
1678	(async {	1871	(async {
1679	$path = new cf::path $path;	1872	my $map = eval {
1680
1681	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1682	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1683		1875	$map
1684	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1685	# if $map;
1686
1687	$map or $map->cluck ("oy");#d#
1688	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1689		1878
1690	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1691	})->prio (1);	1880	})->prio (1);
1692	}	1881	}
1693		1882
…		…
1697		1886
1698	sub parse_random_map_params {	1887	sub parse_random_map_params {
1699	my ($spec) = @_;	1888	my ($spec) = @_;
1700		1889
1701	my $rmp = { # defaults	1890	my $rmp = { # defaults
1702	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1703	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1704	};	1895	};
1705		1896
1706	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1707	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1708		1899
…		…
1712	$rmp	1903	$rmp
1713	}	1904	}
1714		1905
1715	sub prepare_random_map {	1906	sub prepare_random_map {
1716	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1717		1910
1718	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1719	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1720	# that depends on the exit object	1913	# that depends on the exit object
1721		1914
1722	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1723		1916
1724	if ($exit->map) {	1917	if ($exit->map) {
1725	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1726	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1727	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1728	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1729	}	1922	}
1730		1923
1731	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1732		1925
1733	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1734	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1735		1929
1736	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1737	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1738		1934
1739	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1740	$exit->msg (undef);	1936	$exit->msg (undef);
1741	}	1937	}
1742	}	1938	}
1743		1939
1744	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1745	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1746		1942
1747	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
1748		1953
1749	$self->enter_link;	1954	$self->enter_link;
1750		1955
1751	(async {	1956	(async {
1752	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1753	unless (eval {	1958	unless (eval {
1754	prepare_random_map $exit	1959	$self->goto ($slaying, $hp, $sp);
1755	if $exit->slaying eq "/!";
1756
1757	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1758	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1759		1960
1760	1;	1961	1;
1761	}) {	1962	}) {
1762	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1763	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
1764	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1765	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1766		1967
1767	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1768	$self->leave_link;	1969	$self->leave_link;
1769	}	1970	}
…		…
1783		1984
1784	sub cf::client::send_drawinfo {	1985	sub cf::client::send_drawinfo {
1785	my ($self, $text, $flags) = @_;	1986	my ($self, $text, $flags) = @_;
1786		1987
1787	utf8::encode $text;	1988	utf8::encode $text;
1788	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1789	}	1990	}
1790		1991
1791		1992
1792	=item $success = $client->query ($flags, "text", \&cb)	1993	=item $success = $client->query ($flags, "text", \&cb)
1793		1994
…		…
1824	# get handled first	2025	# get handled first
1825	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1826	or return; # be conservative, not sure how that can happen, but we saw a crash here	2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1827		2028
1828	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1829		2031
1830	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1831		2033
1832	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1833	if (@$queue) {	2035	if (@$queue) {
…		…
1891		2093
1892	# here we export the classes and methods available to script code	2094	# here we export the classes and methods available to script code
1893		2095
1894	=pod	2096	=pod
1895		2097
1896	The following fucntions and emthods are available within a safe environment:	2098	The following functions and methods are available within a safe environment:
1897		2099
1898	cf::object contr pay_amount pay_player map	2100	cf::object contr pay_amount pay_player map
1899	cf::object::player player	2101	cf::object::player player
1900	cf::player peaceful	2102	cf::player peaceful
1901	cf::map trigger	2103	cf::map trigger
…		…
1994	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
1995	using it, it should be unique.	2197	using it, it should be unique.
1996		2198
1997	=over 4	2199	=over 4
1998		2200
1999	=item $hashref = cf::db_get $family
2000
2001	Return a hashref for use by the extension C<$family>, which can be
2002	modified. After modifications, you have to call C<cf::db_dirty> or
2003	C<cf::db_sync>.
2004
2005	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
2006		2202
2007	Returns a single value from the database	2203	Returns a single value from the database.
2008
2009	=item cf::db_put $family => $hashref
2010
2011	Stores the given family hashref into the database. Updates are delayed, if
2012	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2013		2204
2014	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
2015		2206
2016	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
2017	want the data to be synced to disk immediately, use C<cf::db_sync>.
2018
2019	=item cf::db_dirty
2020
2021	Marks the database as dirty, to be updated at a later time.
2022
2023	=item cf::db_sync
2024
2025	Immediately write the database to disk I<if it is dirty>.
2026		2208
2027	=cut	2209	=cut
2028		2210
2029	our $DB;	2211	our $DB;
2030		2212
2031	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
2032	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
2033		2232
2034	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
2035	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
2036	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
2037		2237
2038	my $pid;	2238	unlink $path;
2039
2040	sub db_save() {
2041	waitpid $pid, 0 if $pid;
2042	if (0 == ($pid = fork)) {
2043	$DB->{_meta}{version} = 1;
2044	Storable::nstore $DB, "$path~";
2045	rename "$path~", $path;
2046	cf::_exit 0 if defined $pid;
2047	}	2239	};
2048	}	2240	}
2049
2050	my $dirty;
2051
2052	sub db_sync() {
2053	db_save if $dirty;
2054	undef $dirty;
2055	}
2056
2057	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2058	db_sync;
2059	});	2241	}
		2242	}
2060		2243
2061	sub db_dirty() {
2062	$dirty = 1;
2063	$idle->start;
2064	}
2065
2066	sub db_get($;$) {	2244	sub db_get($$) {
2067	@_ >= 2	2245	my $key = "$_[0]/$_[1]";
2068	? $DB->{$_[0]}{$_[1]}
2069	: ($DB->{$_[0]} ||= { })
2070	}
2071		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
2072	sub db_put($$;$) {	2255	sub db_put($$$) {
2073	if (@_ >= 3) {	2256	BDB::dbreq_pri 4;
2074	$DB->{$_[0]}{$_[1]} = $_[2];	2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2258	}
		2259
		2260	#############################################################################
		2261	# the server's init and main functions
		2262
		2263	sub load_faces {
		2264	my $path = sprintf "%s/faces", cf::datadir;
		2265
		2266	warn "loading faces from $path\n";
		2267
		2268	my $faces;
		2269	0 < aio_load $path, $faces
		2270	or die "$path: $!";
		2271
		2272	Coro::cede;
		2273	$faces = Storable::thaw $faces;
		2274	Coro::cede;
		2275
		2276	my $meta = delete $faces->{""};
		2277	$meta->{version} == 1
		2278	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2279
		2280	while (my ($face, $info) = each %$faces) {
		2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2284	Coro::cede;
		2285	}
		2286
		2287	while (my ($face, $info) = each %$faces) {
		2288	next unless $info->{smooth};
		2289	my $idx = cf::face::find $face
		2290	or next;
		2291	if (my $smooth = cf::face::find $info->{smooth}) {
		2292	cf::face::set_smooth $idx, $smooth;
2075	} else {	2293	} else {
2076	$DB->{$_[0]} = $_[1];	2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
2077	}
2078	db_dirty;
2079	}
2080
2081	cf::global->attach (
2082	prio => 10000,
2083	on_cleanup => sub {
2084	db_sync;
2085	},	2295	}
2086	);	2296	Coro::cede;
2087	}	2297	}
2088		2298
2089	#############################################################################	2299	1
2090	# the server's main()	2300	}
		2301
		2302	sub reload_resources {
		2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2304	or die "unable to load regions file\n";#d#
		2305	load_faces
		2306	or die "unable to load faces\n";#d#
		2307	}
		2308
		2309	sub init {
		2310	reload_resources;
		2311	}
2091		2312
2092	sub cfg_load {	2313	sub cfg_load {
2093	open my $fh, "<:utf8", cf::confdir . "/config"	2314	open my $fh, "<:utf8", cf::confdir . "/config"
2094	or return;	2315	or return;
2095		2316
…		…
2112		2333
2113	sub main {	2334	sub main {
2114	# we must not ever block the main coroutine	2335	# we must not ever block the main coroutine
2115	local $Coro::idle = sub {	2336	local $Coro::idle = sub {
2116	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2338	(async {
2117	async { Event::one_event };	2339	Event::one_event;
		2340	})->prio (Coro::PRIO_MAX);
2118	};	2341	};
2119		2342
2120	cfg_load;	2343	cfg_load;
2121	db_load;	2344	db_init;
2122	load_extensions;	2345	load_extensions;
		2346
		2347	$TICK_WATCHER->start;
2123	Event::loop;	2348	Event::loop;
2124	}	2349	}
2125		2350
2126	#############################################################################	2351	#############################################################################
2127	# initialisation	2352	# initialisation and cleanup
		2353
		2354	# install some emergency cleanup handlers
		2355	BEGIN {
		2356	for my $signal (qw(INT HUP TERM)) {
		2357	Event->signal (
		2358	reentrant => 0,
		2359	data => WF_AUTOCANCEL,
		2360	signal => $signal,
		2361	prio => 0,
		2362	cb => sub {
		2363	cf::cleanup "SIG$signal";
		2364	},
		2365	);
		2366	}
		2367	}
		2368
		2369	sub emergency_save() {
		2370	my $freeze_guard = cf::freeze_mainloop;
		2371
		2372	warn "enter emergency perl save\n";
		2373
		2374	cf::sync_job {
		2375	# use a peculiar iteration method to avoid tripping on perl
		2376	# refcount bugs in for. also avoids problems with players
		2377	# and maps saved/destroyed asynchronously.
		2378	warn "begin emergency player save\n";
		2379	for my $login (keys %cf::PLAYER) {
		2380	my $pl = $cf::PLAYER{$login} or next;
		2381	$pl->valid or next;
		2382	$pl->save;
		2383	}
		2384	warn "end emergency player save\n";
		2385
		2386	warn "begin emergency map save\n";
		2387	for my $path (keys %cf::MAP) {
		2388	my $map = $cf::MAP{$path} or next;
		2389	$map->valid or next;
		2390	$map->save;
		2391	}
		2392	warn "end emergency map save\n";
		2393
		2394	warn "begin emergency database checkpoint\n";
		2395	BDB::db_env_txn_checkpoint $DB_ENV;
		2396	warn "end emergency database checkpoint\n";
		2397	};
		2398
		2399	warn "leave emergency perl save\n";
		2400	}
		2401
		2402	sub post_cleanup {
		2403	my ($make_core) = @_;
		2404
		2405	warn Carp::longmess "post_cleanup backtrace"
		2406	if $make_core;
		2407	}
2128		2408
2129	sub reload() {	2409	sub reload() {
2130	# can/must only be called in main	2410	# can/must only be called in main
2131	if ($Coro::current != $Coro::main) {	2411	if ($Coro::current != $Coro::main) {
2132	warn "can only reload from main coroutine\n";	2412	warn "can only reload from main coroutine";
2133	return;	2413	return;
2134	}	2414	}
2135		2415
2136	warn "reloading...";	2416	warn "reloading...";
2137		2417
2138	my $guard = freeze_mainloop;	2418	warn "entering sync_job";
		2419
		2420	cf::sync_job {
		2421	cf::write_runtime; # external watchdog should not bark
2139	cf::emergency_save;	2422	cf::emergency_save;
		2423	cf::write_runtime; # external watchdog should not bark
2140		2424
2141	eval {	2425	warn "syncing database to disk";
		2426	BDB::db_env_txn_checkpoint $DB_ENV;
		2427
2142	# if anything goes wrong in here, we should simply crash as we already saved	2428	# if anything goes wrong in here, we should simply crash as we already saved
2143		2429
2144	# cancel all watchers	2430	warn "cancelling all WF_AUTOCANCEL watchers";
2145	for (Event::all_watchers) {	2431	for (Event::all_watchers) {
2146	$_->cancel if $_->data & WF_AUTOCANCEL;	2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2147	}	2433	}
2148		2434
		2435	warn "flushing outstanding aio requests";
		2436	for (;;) {
		2437	BDB::flush;
		2438	IO::AIO::flush;
		2439	Coro::cede;
		2440	last unless IO::AIO::nreqs || BDB::nreqs;
		2441	warn "iterate...";
		2442	}
		2443
		2444	++$RELOAD;
		2445
2149	# cancel all extension coros	2446	warn "cancelling all extension coros";
2150	$_->cancel for values %EXT_CORO;	2447	$_->cancel for values %EXT_CORO;
2151	%EXT_CORO = ();	2448	%EXT_CORO = ();
2152		2449
2153	# unload all extensions	2450	warn "removing commands";
2154	for (@exts) {	2451	%COMMAND = ();
		2452
		2453	warn "removing ext commands";
		2454	%EXTCMD = ();
		2455
		2456	warn "unloading/nuking all extensions";
		2457	for my $pkg (@EXTS) {
2155	warn "unloading <$_>";	2458	warn "... unloading $pkg";
2156	unload_extension $_;	2459
		2460	if (my $cb = $pkg->can ("unload")) {
		2461	eval {
		2462	$cb->($pkg);
		2463	1
		2464	} or warn "$pkg unloaded, but with errors: $@";
2157	}	2465	}
2158		2466
		2467	warn "... nuking $pkg";
		2468	Symbol::delete_package $pkg;
		2469	}
		2470
2159	# unload all modules loaded from $LIBDIR	2471	warn "unloading all perl modules loaded from $LIBDIR";
2160	while (my ($k, $v) = each %INC) {	2472	while (my ($k, $v) = each %INC) {
2161	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2162		2474
2163	warn "removing <$k>";	2475	warn "... unloading $k";
2164	delete $INC{$k};	2476	delete $INC{$k};
2165		2477
2166	$k =~ s/\.pm$//;	2478	$k =~ s/\.pm$//;
2167	$k =~ s/\//::/g;	2479	$k =~ s/\//::/g;
2168		2480
…		…
2171	}	2483	}
2172		2484
2173	Symbol::delete_package $k;	2485	Symbol::delete_package $k;
2174	}	2486	}
2175		2487
2176	# sync database to disk
2177	cf::db_sync;
2178	IO::AIO::flush;
2179
2180	# get rid of safe::, as good as possible	2488	warn "getting rid of safe::, as good as possible";
2181	Symbol::delete_package "safe::$_"	2489	Symbol::delete_package "safe::$_"
2182	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2183		2491
2184	# remove register_script_function callbacks
2185	# TODO
2186
2187	# unload cf.pm "a bit"	2492	warn "unloading cf.pm \"a bit\"";
2188	delete $INC{"cf.pm"};	2493	delete $INC{"cf.pm"};
2189		2494
2190	# don't, removes xs symbols, too,	2495	# don't, removes xs symbols, too,
2191	# and global variables created in xs	2496	# and global variables created in xs
2192	#Symbol::delete_package __PACKAGE__;	2497	#Symbol::delete_package __PACKAGE__;
2193		2498
2194	# reload cf.pm	2499	warn "unload completed, starting to reload now";
		2500
2195	warn "reloading cf.pm";	2501	warn "reloading cf.pm";
2196	require cf;	2502	require cf;
2197	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2198		2504
2199	# load config and database again	2505	warn "loading config and database again";
2200	cf::cfg_load;	2506	cf::cfg_load;
2201	cf::db_load;
2202		2507
2203	# load extensions
2204	warn "load extensions";	2508	warn "loading extensions";
2205	cf::load_extensions;	2509	cf::load_extensions;
2206		2510
2207	# reattach attachments to objects	2511	warn "reattaching attachments to objects/players";
2208	warn "reattach";	2512	_global_reattach; # objects, sockets
2209	_global_reattach;	2513	warn "reattaching attachments to maps";
2210	reattach $_ for values %MAP;	2514	reattach $_ for values %MAP;
2211	};	2515	warn "reattaching attachments to players";
		2516	reattach $_ for values %PLAYER;
2212		2517
2213	if ($@) {	2518	warn "loading reloadable resources";
		2519	reload_resources;
		2520
		2521	warn "leaving sync_job";
		2522
		2523	1
		2524	} or do {
2214	warn $@;	2525	warn $@;
2215	warn "error while reloading, exiting.";	2526	warn "error while reloading, exiting.";
2216	exit 1;	2527	exit 1;
2217	}	2528	};
2218		2529
2219	warn "reloaded successfully";	2530	warn "reloaded";
2220	};	2531	};
2221		2532
2222	#############################################################################	2533	our $RELOAD_WATCHER; # used only during reload
2223
2224	unless ($LINK_MAP) {
2225	$LINK_MAP = cf::map::new;
2226
2227	$LINK_MAP->width (41);
2228	$LINK_MAP->height (41);
2229	$LINK_MAP->alloc;
2230	$LINK_MAP->path ("{link}");
2231	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2232	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2233
2234	# dirty hack because... archetypes are not yet loaded
2235	Event->timer (
2236	after => 10,
2237	cb => sub {
2238	$_[0]->w->cancel;
2239
2240	# provide some exits "home"
2241	my $exit = cf::object::new "exit";
2242
2243	$exit->slaying ($EMERGENCY_POSITION->[0]);
2244	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2245	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2246
2247	$LINK_MAP->insert ($exit->clone, 19, 19);
2248	$LINK_MAP->insert ($exit->clone, 19, 20);
2249	$LINK_MAP->insert ($exit->clone, 19, 21);
2250	$LINK_MAP->insert ($exit->clone, 20, 19);
2251	$LINK_MAP->insert ($exit->clone, 20, 21);
2252	$LINK_MAP->insert ($exit->clone, 21, 19);
2253	$LINK_MAP->insert ($exit->clone, 21, 20);
2254	$LINK_MAP->insert ($exit->clone, 21, 21);
2255
2256	$exit->destroy;
2257	});
2258
2259	$LINK_MAP->{deny_save} = 1;
2260	$LINK_MAP->{deny_reset} = 1;
2261
2262	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2263	}
2264
2265	register "<global>", __PACKAGE__;
2266		2534
2267	register_command "reload" => sub {	2535	register_command "reload" => sub {
2268	my ($who, $arg) = @_;	2536	my ($who, $arg) = @_;
2269		2537
2270	if ($who->flag (FLAG_WIZ)) {	2538	if ($who->flag (FLAG_WIZ)) {
2271	$who->message ("start of reload.");	2539	$who->message ("reloading server.");
		2540
		2541	# doing reload synchronously and two reloads happen back-to-back,
		2542	# coro crashes during coro_state_free->destroy here.
		2543
		2544	$RELOAD_WATCHER ||= Event->timer (
		2545	reentrant => 0,
		2546	after => 0,
		2547	data => WF_AUTOCANCEL,
		2548	cb => sub {
2272	reload;	2549	reload;
2273	$who->message ("end of reload.");	2550	undef $RELOAD_WATCHER;
		2551	},
		2552	);
2274	}	2553	}
2275	};	2554	};
2276		2555
2277	unshift @INC, $LIBDIR;	2556	unshift @INC, $LIBDIR;
		2557
		2558	my $bug_warning = 0;
2278		2559
2279	$TICK_WATCHER = Event->timer (	2560	$TICK_WATCHER = Event->timer (
2280	reentrant => 0,	2561	reentrant => 0,
		2562	parked => 1,
2281	prio => 0,	2563	prio => 0,
2282	at => $NEXT_TICK || $TICK,	2564	at => $NEXT_TICK || $TICK,
2283	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2284	cb => sub {	2566	cb => sub {
		2567	if ($Coro::current != $Coro::main) {
		2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2569	unless ++$bug_warning > 10;
		2570	return;
		2571	}
		2572
		2573	$NOW = Event::time;
		2574
2285	cf::server_tick; # one server iteration	2575	cf::server_tick; # one server iteration
2286	$RUNTIME += $TICK;	2576	$RUNTIME += $TICK;
2287	$NEXT_TICK += $TICK;	2577	$NEXT_TICK += $TICK;
		2578
		2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2580	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2581	Coro::async_pool {
		2582	write_runtime
		2583	or warn "ERROR: unable to write runtime file: $!";
		2584	};
		2585	}
		2586
		2587	$WAIT_FOR_TICK->broadcast;
		2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2589
		2590	# my $AFTER = Event::time;
		2591	# warn $AFTER - $NOW;#d#
2288		2592
2289	# if we are delayed by four ticks or more, skip them all	2593	# if we are delayed by four ticks or more, skip them all
2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2291		2595
2292	$TICK_WATCHER->at ($NEXT_TICK);	2596	$TICK_WATCHER->at ($NEXT_TICK);
2293	$TICK_WATCHER->start;	2597	$TICK_WATCHER->start;
2294	},	2598	},
2295	);	2599	);
2296		2600
		2601	{
2297	IO::AIO::max_poll_time $TICK * 0.2;	2602	BDB::max_poll_time $TICK * 0.1;
2298		2603	$BDB_POLL_WATCHER = Event->io (
2299	Event->io (	2604	reentrant => 0,
2300	fd => IO::AIO::poll_fileno,	2605	fd => BDB::poll_fileno,
2301	poll => 'r',	2606	poll => 'r',
2302	prio => 5,	2607	prio => 0,
2303	data => WF_AUTOCANCEL,
2304	cb => \&IO::AIO::poll_cb,
2305	);
2306
2307	Event->timer (
2308	data => WF_AUTOCANCEL,	2608	data => WF_AUTOCANCEL,
2309	after => 0,	2609	cb => \&BDB::poll_cb,
2310	interval => 10,	2610	);
2311	cb => sub {	2611	BDB::min_parallel 8;
2312	(Coro::unblock_sub {	2612
2313	write_runtime	2613	BDB::set_sync_prepare {
2314	or warn "ERROR: unable to write runtime file: $!";	2614	my $status;
		2615	my $current = $Coro::current;
		2616	(
		2617	sub {
		2618	$status = $!;
		2619	$current->ready; undef $current;
		2620	},
		2621	sub {
		2622	Coro::schedule while defined $current;
		2623	$! = $status;
		2624	},
		2625	)
		2626	};
		2627
		2628	unless ($DB_ENV) {
		2629	$DB_ENV = BDB::db_env_create;
		2630
		2631	cf::sync_job {
		2632	eval {
		2633	BDB::db_env_open
		2634	$DB_ENV,
		2635	$BDB_ENV_DIR,
		2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2638	0666;
		2639
		2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2641
		2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2643	$DB_ENV->set_lk_detect;
		2644	};
		2645
		2646	cf::cleanup "db_env_open(db): $@" if $@;
2315	})->();	2647	};
2316	},	2648	}
2317	);	2649	}
		2650
		2651	{
		2652	IO::AIO::min_parallel 8;
		2653
		2654	undef $Coro::AIO::WATCHER;
		2655	IO::AIO::max_poll_time $TICK * 0.1;
		2656	$AIO_POLL_WATCHER = Event->io (
		2657	reentrant => 0,
		2658	data => WF_AUTOCANCEL,
		2659	fd => IO::AIO::poll_fileno,
		2660	poll => 'r',
		2661	prio => 6,
		2662	cb => \&IO::AIO::poll_cb,
		2663	);
		2664	}
2318		2665
2319	END { cf::emergency_save }	2666	END { cf::emergency_save }
2320		2667
2321	1	2668	1
2322		2669

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