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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.143 by root, Sun Jan 7 02:39:14 2007 UTC vs.
Revision 1.229 by root, Sun Apr 1 00:36:34 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;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	26	use YAML::Syck ();
		27	use IO::AIO 2.32 ();
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
…		…
118	utf8::encode $msg;	153	utf8::encode $msg;
119		154
120	$msg .= "\n"	155	$msg .= "\n"
121	unless $msg =~ /\n$/;	156	unless $msg =~ /\n$/;
122		157
123	LOG llevError, "cfperl: $msg";	158	LOG llevError, $msg;
124	};	159	};
125	}	160	}
126		161
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
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;
1080		933
		934	use Coro::AIO;
		935
1081	=head3 cf::player	936	=head3 cf::player
1082		937
1083	=over 4	938	=over 4
1084		939
1085	=item cf::player::find $login	940	=item cf::player::find $login
1086		941
1087	Returns the given player object, loading it if necessary (might block).	942	Returns the given player object, loading it if necessary (might block).
1088		943
1089	=cut	944	=cut
1090		945
		946	sub playerdir($) {
		947	cf::localdir
		948	. "/"
		949	. cf::playerdir
		950	. "/"
		951	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		952	}
		953
1091	sub path($) {	954	sub path($) {
1092	sprintf "%s/%s/%s/%s.pl",	955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1093	cf::localdir, cf::playerdir,	956
1094	(ref $_[0] ? $_[0]->ob->name : $_[0]) x 2	957	(playerdir $login) . "/$login.pl"
1095	}	958	}
1096		959
1097	sub find_active($) {	960	sub find_active($) {
1098	$cf::PLAYER{$_[0]}	961	$cf::PLAYER{$_[0]}
1099	and $cf::PLAYER{$_[0]}->active	962	and $cf::PLAYER{$_[0]}->active
…		…
1102		965
1103	sub exists($) {	966	sub exists($) {
1104	my ($login) = @_;	967	my ($login) = @_;
1105		968
1106	$cf::PLAYER{$login}	969	$cf::PLAYER{$login}
1107	or cf::sync_job { !aio_stat $login }	970	or cf::sync_job { !aio_stat path $login }
1108	}	971	}
1109		972
1110	sub find($) {	973	sub find($) {
1111	return $cf::PLAYER{$_[0]} || do {	974	return $cf::PLAYER{$_[0]} || do {
1112	my $login = $_[0];	975	my $login = $_[0];
1113		976
1114	my $guard = cf::lock_acquire "user_find:$login";	977	my $guard = cf::lock_acquire "user_find:$login";
1115		978
1116	$cf::PLAYER{$login} ||= (load_pl path $login or return);	979	$cf::PLAYER{$_[0]} || do {
		980	my $pl = load_pl path $login
		981	or return;
		982	$cf::PLAYER{$login} = $pl
		983	}
1117	};	984	}
1118	}	985	}
1119		986
1120	sub save($) {	987	sub save($) {
1121	my ($pl) = @_;	988	my ($pl) = @_;
1122		989
…		…
1124		991
1125	my $path = path $pl;	992	my $path = path $pl;
1126	my $guard = cf::lock_acquire "user_save:$path";	993	my $guard = cf::lock_acquire "user_save:$path";
1127		994
1128	return if $pl->{deny_save};	995	return if $pl->{deny_save};
		996
		997	aio_mkdir playerdir $pl, 0770;
1129	$pl->{last_save} = $cf::RUNTIME;	998	$pl->{last_save} = $cf::RUNTIME;
1130		999
1131	Coro::cede;
1132	$pl->save_pl ($path);	1000	$pl->save_pl ($path);
1133	Coro::cede;	1001	Coro::cede;
1134	}	1002	}
1135		1003
1136	sub new($) {	1004	sub new($) {
…		…
1144	$cf::PLAYER{$login} = $self;	1012	$cf::PLAYER{$login} = $self;
1145		1013
1146	$self	1014	$self
1147	}	1015	}
1148		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
		1024	sub quit_character {
		1025	my ($pl) = @_;
		1026
		1027	my $name = $pl->ob->name;
		1028
		1029	$pl->{deny_save} = 1;
		1030	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1031
		1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1033	$pl->deactivate;
		1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1035	$pl->ns->destroy if $pl->ns;
		1036
		1037	my $path = playerdir $pl;
		1038	my $temp = "$path~$cf::RUNTIME~deleting~";
		1039	aio_rename $path, $temp;
		1040	delete $cf::PLAYER{$pl->ob->name};
		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
		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
		1116	}
		1117
1149	=item $player->ext_reply ($msgid, $msgtype, %msg)	1118	=item $player->ext_reply ($msgid, $msgtype, %msg)
1150		1119
1151	Sends an ext reply to the player.	1120	Sends an ext reply to the player.
1152		1121
1153	=cut	1122	=cut
…		…
1174	package cf::map;	1143	package cf::map;
1175		1144
1176	use Fcntl;	1145	use Fcntl;
1177	use Coro::AIO;	1146	use Coro::AIO;
1178		1147
		1148	use overload
		1149	'""' => \&as_string,
		1150	fallback => 1;
		1151
1179	our $MAX_RESET = 3600;	1152	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1153	our $DEFAULT_RESET = 3000;
1181		1154
1182	sub generate_random_map {	1155	sub generate_random_map {
1183	my ($path, $rmp) = @_;	1156	my ($self, $rmp) = @_;
1184
1185	# mit "rum" bekleckern, nicht	1157	# mit "rum" bekleckern, nicht
1186	cf::map::_create_random_map	1158	$self->_create_random_map (
1187	$path,
1188	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1190	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191	$rmp->{exit_on_final_map},	1162	$rmp->{exit_on_final_map},
1192	$rmp->{xsize}, $rmp->{ysize},	1163	$rmp->{xsize}, $rmp->{ysize},
1193	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196	$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},
1197	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198	(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
1199	}	1300	}
1200		1301
1201	# and all this just because we cannot iterate over	1302	# and all this just because we cannot iterate over
1202	# all maps in C++...	1303	# all maps in C++...
1203	sub change_all_map_light {	1304	sub change_all_map_light {
…		…
1205		1306
1206	$_->change_map_light ($change)	1307	$_->change_map_light ($change)
1207	for grep $_->outdoor, values %cf::MAP;	1308	for grep $_->outdoor, values %cf::MAP;
1208	}	1309	}
1209		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
1210	sub try_load_header($) {	1319	sub load_header_from($) {
1211	my ($path) = @_;	1320	my ($self, $path) = @_;
1212		1321
1213	utf8::encode $path;	1322	utf8::encode $path;
1214	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1215	or return;	1327	or return;
1216		1328
1217	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
1218	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1219		1375
1220	# for better error messages only, will be overwritten	1376	1
1221	$map->path ($path);
1222
1223	$map->load_header ($path)
1224	or return;
1225
1226	$map->{load_path} = $path;
1227
1228	$map
1229	}	1377	}
1230		1378
1231	sub find;	1379	sub find;
1232	sub find {	1380	sub find {
1233	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1234		1382
1235	#warn "find<$path,$origin>\n";#d#
1236
1237	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1238	my $key = $path->as_string;
1239		1384
1240	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1241		1386
1242	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1243	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1244		1389	my $map = new_from_path cf::map $path
1245	# do it the slow way
1246	my $map = try_load_header $path->save_path;
1247
1248	Coro::cede;
1249
1250	if ($map) {
1251	$map->last_access ((delete $map->{last_access})
1252	|| $cf::RUNTIME); #d#
1253	# safety
1254	$map->{instantiate_time} = $cf::RUNTIME
1255	if $map->{instantiate_time} > $cf::RUNTIME;
1256	} else {
1257	if (my $rmp = $path->random_map_params) {
1258	$map = generate_random_map $key, $rmp;
1259	} else {
1260	$map = try_load_header $path->load_path;
1261	}
1262
1263	$map or return;	1390	or return;
1264		1391
1265	$map->{load_original} = 1;
1266	$map->{instantiate_time} = $cf::RUNTIME;
1267	$map->last_access ($cf::RUNTIME);
1268	$map->instantiate;
1269
1270	# per-player maps become, after loading, normal maps
1271	$map->per_player (0) if $path->{user_rel};
1272	}
1273
1274	$map->path ($key);
1275	$map->{path} = $path;
1276	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1277		1393
1278	Coro::cede;	1394	$map->load_header
		1395	or return;
1279		1396
1280	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;
1281	$map->reset;	1400	$map->reset;
1282	undef $guard;	1401	undef $guard;
1283	$map = find $path	1402	return find $path;
1284	or return;
1285	}	1403	}
1286		1404
1287	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1288	}	1406	}
1289	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1290		1411
1291	sub load {	1412	sub load {
1292	my ($self) = @_;	1413	my ($self) = @_;
1293		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1294	my $path = $self->{path};	1417	my $path = $self->{path};
1295	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1296		1419
1297	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1298		1421
1299	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1300		1423
1301	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1302	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1303	or return;	1429	or return;
1304		1430
1305	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1306	if delete $self->{load_original};	1432	if delete $self->{load_original};
1307		1433
1308	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1309	utf8::encode $uniq;	1435	utf8::encode $uniq;
1310	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1311	$self->clear_unique_items;	1437	$self->clear_unique_items;
1312	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1313	}	1439	}
1314	}	1440	}
1315		1441
1316	Coro::cede;	1442	Coro::cede;
1317		1443
1318	# now do the right thing for maps	1444	# now do the right thing for maps
1319	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1320		1446
1321	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1322	$self->{deny_save} = 1;	1448	$self->decay_objects;
1323	$self->{deny_reset} = 1;
1324	} else {
1325	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1326	$self->decay_objects;
1327	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1328	$self->set_darkness_map;	1452	$self->set_darkness_map;
1329	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1330	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1331	$self->activate;	1456	$self->activate;
1332	}	1457	}
1333		1458
1334	Coro::cede;	1459	$self->post_load;
1335		1460
1336	$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	}
1337	}	1495	}
1338		1496
1339	sub find_sync {	1497	sub find_sync {
1340	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1341		1499
1342	cf::sync_job { cf::map::find $path, $origin }	1500	cf::sync_job { find $path, $origin }
1343	}	1501	}
1344		1502
1345	sub do_load_sync {	1503	sub do_load_sync {
1346	my ($map) = @_;	1504	my ($map) = @_;
1347		1505
1348	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1349	}	1507	}
1350		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
1351	sub save {	1539	sub save {
1352	my ($self) = @_;	1540	my ($self) = @_;
1353		1541
1354	my $lock = cf::lock_acquire "map_data:" . $self->path;	1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1355		1543
1356	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1357		1545
1358	return unless $self->dirty;	1546	return unless $self->dirty;
1359		1547
1360	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1361	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1362		1550
1363	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1364		1552
1365	return if $self->{deny_save};	1553	return if $self->{deny_save};
1366		1554
…		…
1369	cf::async {	1557	cf::async {
1370	$_->contr->save for $self->players;	1558	$_->contr->save for $self->players;
1371	};	1559	};
1372		1560
1373	if ($uniq) {	1561	if ($uniq) {
1374	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1376	} else {	1564	} else {
1377	$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);
1378	}	1566	}
1379	}	1567	}
1380		1568
1381	sub swap_out {	1569	sub swap_out {
1382	my ($self) = @_;	1570	my ($self) = @_;
…		…
1396		1584
1397	sub reset_at {	1585	sub reset_at {
1398	my ($self) = @_;	1586	my ($self) = @_;
1399		1587
1400	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1401	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1402	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1403		1591
1404	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405	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;
1406		1594
…		…
1411	my ($self) = @_;	1599	my ($self) = @_;
1412		1600
1413	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1414	}	1602	}
1415		1603
1416	sub unlink_save {
1417	my ($self) = @_;
1418
1419	utf8::encode (my $save = $self->{path}->save_path);
1420	aioreq_pri 3; IO::AIO::aio_unlink $save;
1421	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1422	}
1423
1424	sub rename {
1425	my ($self, $new_path) = @_;
1426
1427	$self->unlink_save;
1428
1429	delete $cf::MAP{$self->path};
1430	$self->{path} = new cf::path $new_path;
1431	$self->path ($self->{path}->as_string);
1432	$cf::MAP{$self->path} = $self;
1433
1434	$self->save;
1435	}
1436
1437	sub reset {	1604	sub reset {
1438	my ($self) = @_;	1605	my ($self) = @_;
1439		1606
1440	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1441		1608
1442	return if $self->players;	1609	return if $self->players;
1443	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1444		1611
1445	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1446		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
1447	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1448		1627
1449	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1450		1629
1451	$self->unlink_save;	1630	$self->unlink_save;
1452	$self->destroy;	1631	$self->destroy;
…		…
1455	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1456		1635
1457	sub nuke {	1636	sub nuke {
1458	my ($self) = @_;	1637	my ($self) = @_;
1459		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1460	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1461	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1462	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1463	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1464	}	1652	}
1465		1653
1466	sub customise_for {	1654	=item cf::map::unique_maps
1467	my ($map, $ob) = @_;
1468		1655
1469	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1470	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1471	}
1472		1658
1473	$map	1659	=cut
1474	}
1475		1660
1476	sub emergency_save {	1661	sub unique_maps() {
1477	my $freeze_guard = cf::freeze_mainloop;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1478		1664
1479	warn "enter emergency map save\n";	1665	my @paths;
1480		1666
1481	cf::sync_job {	1667	for (@$files) {
1482	warn "begin emergency map save\n";	1668	utf8::decode $_;
1483	$_->save for values %cf::MAP;	1669	next if /\.pst$/;
		1670	next unless /^$PATH_SEP/o;
		1671
		1672	push @paths, cf::map::normalise $_;
1484	};	1673	}
1485		1674
1486	warn "end emergency map save\n";	1675	\@paths
1487	}	1676	}
1488		1677
1489	package cf;	1678	package cf;
1490		1679
1491	=back	1680	=back
1492		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
1493		1708
1494	=head3 cf::object::player	1709	=head3 cf::object::player
1495		1710
1496	=over 4	1711	=over 4
1497		1712
…		…
1537		1752
1538	=item $player_object->enter_link	1753	=item $player_object->enter_link
1539		1754
1540	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}>).
1541		1756
1542	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
1543	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1544		1759
		1760	Will never block.
		1761
1545	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1546		1763
1547	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
1548	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
1549	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
1550	to the emergency map position.	1767	fails, to the emergency map position.
1551		1768
1552	Might block.	1769	Might block.
1553		1770
1554	=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	}
1555		1782
1556	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1557	my ($self) = @_;	1784	my ($self) = @_;
1558		1785
1559	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1560		1787
1561	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1562		1789
1563	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1564	if $self->map;	1791	if $self->map;
1565		1792
1566	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1567	}	1794	}
1568		1795
1569	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1570	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1571		1798
…		…
1589	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1590	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1591	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1592		1819
1593	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1594		1822
1595	return unless $self->contr->active;	1823	return unless $self->contr->active;
1596	$self->activate_recursive;	1824	$self->activate_recursive;
		1825
		1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1597	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1598	}	1828	}
1599		1829
1600	cf::player->attach (	1830	cf::player->attach (
1601	on_logout => sub {	1831	on_logout => sub {
…		…
1614	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1615	# should happen only on crashes	1845	# should happen only on crashes
1616	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1617	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1618	(async {	1848	(async {
1619	# we need this sleep as the login has a concurrent enter_exit running
1620	# and this sleep increases chances of the player not ending up in scorn
1621	$pl->ob->reply (undef,	1849	$pl->ob->reply (undef,
1622	"There was an internal problem at your last logout, "	1850	"There was an internal problem at your last logout, "
1623	. "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.",
1624	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
1625	Coro::Timer::sleep 1;	1855	Coro::Timer::sleep 1;
1626	$pl->ob->leave_link;	1856	$pl->ob->leave_link;
1627	})->prio (2);	1857	})->prio (2);
1628	}	1858	}
1629	},	1859	},
…		…
1637	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1638		1868
1639	$self->enter_link;	1869	$self->enter_link;
1640		1870
1641	(async {	1871	(async {
1642	$path = new cf::path $path;	1872	my $map = eval {
1643
1644	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1645	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1646		1875	$map
1647	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1648	# if $map;
1649
1650	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1651		1878
1652	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1653	})->prio (1);	1880	})->prio (1);
1654	}	1881	}
1655		1882
…		…
1659		1886
1660	sub parse_random_map_params {	1887	sub parse_random_map_params {
1661	my ($spec) = @_;	1888	my ($spec) = @_;
1662		1889
1663	my $rmp = { # defaults	1890	my $rmp = { # defaults
1664	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1665	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1666	};	1895	};
1667		1896
1668	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1669	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1670		1899
…		…
1674	$rmp	1903	$rmp
1675	}	1904	}
1676		1905
1677	sub prepare_random_map {	1906	sub prepare_random_map {
1678	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1679		1910
1680	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1681	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1682	# that depends on the exit object	1913	# that depends on the exit object
1683		1914
1684	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1685		1916
1686	if ($exit->map) {	1917	if ($exit->map) {
1687	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1688	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1689	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1690	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1691	}	1922	}
1692		1923
1693	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1694		1925
1695	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1696	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1697		1929
1698	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) {
1699	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;
1700		1934
1701	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1702	$exit->msg (undef);	1936	$exit->msg (undef);
1703	}	1937	}
1704	}	1938	}
1705		1939
1706	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1707	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1708		1942
1709	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;
1710		1953
1711	$self->enter_link;	1954	$self->enter_link;
1712		1955
1713	(async {	1956	(async {
1714	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1715	unless (eval {	1958	unless (eval {
1716	prepare_random_map $exit	1959	$self->goto ($slaying, $hp, $sp);
1717	if $exit->slaying eq "/!";
1718
1719	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1720	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1721		1960
1722	1;	1961	1;
1723	}) {	1962	}) {
1724	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1725	. "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. "
1726	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1727	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1728		1967
1729	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1730	$self->leave_link;	1969	$self->leave_link;
1731	}	1970	}
…		…
1745		1984
1746	sub cf::client::send_drawinfo {	1985	sub cf::client::send_drawinfo {
1747	my ($self, $text, $flags) = @_;	1986	my ($self, $text, $flags) = @_;
1748		1987
1749	utf8::encode $text;	1988	utf8::encode $text;
1750	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1751	}	1990	}
1752		1991
1753		1992
1754	=item $success = $client->query ($flags, "text", \&cb)	1993	=item $success = $client->query ($flags, "text", \&cb)
1755		1994
…		…
1786	# get handled first	2025	# get handled first
1787	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1788	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
1789		2028
1790	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1791		2031
1792	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1793		2033
1794	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1795	if (@$queue) {	2035	if (@$queue) {
…		…
1853		2093
1854	# here we export the classes and methods available to script code	2094	# here we export the classes and methods available to script code
1855		2095
1856	=pod	2096	=pod
1857		2097
1858	The following fucntions and emthods are available within a safe environment:	2098	The following functions and methods are available within a safe environment:
1859		2099
1860	cf::object contr pay_amount pay_player map	2100	cf::object contr pay_amount pay_player map
1861	cf::object::player player	2101	cf::object::player player
1862	cf::player peaceful	2102	cf::player peaceful
1863	cf::map trigger	2103	cf::map trigger
…		…
1956	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
1957	using it, it should be unique.	2197	using it, it should be unique.
1958		2198
1959	=over 4	2199	=over 4
1960		2200
1961	=item $hashref = cf::db_get $family
1962
1963	Return a hashref for use by the extension C<$family>, which can be
1964	modified. After modifications, you have to call C<cf::db_dirty> or
1965	C<cf::db_sync>.
1966
1967	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
1968		2202
1969	Returns a single value from the database	2203	Returns a single value from the database.
1970
1971	=item cf::db_put $family => $hashref
1972
1973	Stores the given family hashref into the database. Updates are delayed, if
1974	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1975		2204
1976	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
1977		2206
1978	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
1979	want the data to be synced to disk immediately, use C<cf::db_sync>.
1980
1981	=item cf::db_dirty
1982
1983	Marks the database as dirty, to be updated at a later time.
1984
1985	=item cf::db_sync
1986
1987	Immediately write the database to disk I<if it is dirty>.
1988		2208
1989	=cut	2209	=cut
1990		2210
1991	our $DB;	2211	our $DB;
1992		2212
1993	{	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
1994	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;
1995		2232
1996	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
1997	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
1998	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
1999		2237
2000	my $pid;	2238	unlink $path;
2001
2002	sub db_save() {
2003	waitpid $pid, 0 if $pid;
2004	if (0 == ($pid = fork)) {
2005	$DB->{_meta}{version} = 1;
2006	Storable::nstore $DB, "$path~";
2007	rename "$path~", $path;
2008	cf::_exit 0 if defined $pid;
2009	}	2239	};
2010	}	2240	}
2011
2012	my $dirty;
2013
2014	sub db_sync() {
2015	db_save if $dirty;
2016	undef $dirty;
2017	}
2018
2019	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2020	db_sync;
2021	});	2241	}
		2242	}
2022		2243
2023	sub db_dirty() {
2024	$dirty = 1;
2025	$idle->start;
2026	}
2027
2028	sub db_get($;$) {	2244	sub db_get($$) {
2029	@_ >= 2	2245	my $key = "$_[0]/$_[1]";
2030	? $DB->{$_[0]}{$_[1]}
2031	: ($DB->{$_[0]} ||= { })
2032	}
2033		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
2034	sub db_put($$;$) {	2255	sub db_put($$$) {
2035	if (@_ >= 3) {	2256	BDB::dbreq_pri 4;
2036	$DB->{$_[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_facedata {
		2264	my $path = sprintf "%s/facedata", cf::datadir;
		2265
		2266	warn "loading facedata 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	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2285	Coro::cede;
		2286	}
		2287
		2288	while (my ($face, $info) = each %$faces) {
		2289	next unless $info->{smooth};
		2290	my $idx = cf::face::find $face
		2291	or next;
		2292	if (my $smooth = cf::face::find $info->{smooth}) {
		2293	cf::face::set_smooth $idx, $smooth;
2037	} else {	2294	} else {
2038	$DB->{$_[0]} = $_[1];	2295	warn "smooth face '$info->{smooth}' not found for face '$face'";
2039	}
2040	db_dirty;
2041	}
2042
2043	cf::global->attach (
2044	prio => 10000,
2045	on_cleanup => sub {
2046	db_sync;
2047	},	2296	}
2048	);	2297	Coro::cede;
2049	}	2298	}
2050		2299
2051	#############################################################################	2300	1
2052	# the server's main()	2301	}
		2302
		2303	sub reload_resources {
		2304	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2305	or die "unable to load regions file\n";#d#
		2306	load_facedata
		2307	or die "unable to load facedata\n";#d#
		2308	}
		2309
		2310	sub init {
		2311	reload_resources;
		2312	}
2053		2313
2054	sub cfg_load {	2314	sub cfg_load {
2055	open my $fh, "<:utf8", cf::confdir . "/config"	2315	open my $fh, "<:utf8", cf::confdir . "/config"
2056	or return;	2316	or return;
2057		2317
…		…
2063	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2323	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2064	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2324	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2065		2325
2066	if (exists $CFG{mlockall}) {	2326	if (exists $CFG{mlockall}) {
2067	eval {	2327	eval {
2068	$CFG{mlockall} ? &mlockall : &munlockall	2328	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2069	and die "WARNING: m(un)lockall failed: $!\n";	2329	and die "WARNING: m(un)lockall failed: $!\n";
2070	};	2330	};
2071	warn $@ if $@;	2331	warn $@ if $@;
2072	}	2332	}
2073	}	2333	}
2074		2334
2075	sub main {	2335	sub main {
2076	# we must not ever block the main coroutine	2336	# we must not ever block the main coroutine
2077	local $Coro::idle = sub {	2337	local $Coro::idle = sub {
2078	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2338	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2339	(async {
2079	async { Event::one_event };	2340	Event::one_event;
		2341	})->prio (Coro::PRIO_MAX);
2080	};	2342	};
2081		2343
2082	cfg_load;	2344	cfg_load;
2083	db_load;	2345	db_init;
2084	load_extensions;	2346	load_extensions;
		2347
		2348	$TICK_WATCHER->start;
2085	Event::loop;	2349	Event::loop;
2086	}	2350	}
2087		2351
2088	#############################################################################	2352	#############################################################################
2089	# initialisation	2353	# initialisation and cleanup
		2354
		2355	# install some emergency cleanup handlers
		2356	BEGIN {
		2357	for my $signal (qw(INT HUP TERM)) {
		2358	Event->signal (
		2359	reentrant => 0,
		2360	data => WF_AUTOCANCEL,
		2361	signal => $signal,
		2362	prio => 0,
		2363	cb => sub {
		2364	cf::cleanup "SIG$signal";
		2365	},
		2366	);
		2367	}
		2368	}
		2369
		2370	sub emergency_save() {
		2371	my $freeze_guard = cf::freeze_mainloop;
		2372
		2373	warn "enter emergency perl save\n";
		2374
		2375	cf::sync_job {
		2376	# use a peculiar iteration method to avoid tripping on perl
		2377	# refcount bugs in for. also avoids problems with players
		2378	# and maps saved/destroyed asynchronously.
		2379	warn "begin emergency player save\n";
		2380	for my $login (keys %cf::PLAYER) {
		2381	my $pl = $cf::PLAYER{$login} or next;
		2382	$pl->valid or next;
		2383	$pl->save;
		2384	}
		2385	warn "end emergency player save\n";
		2386
		2387	warn "begin emergency map save\n";
		2388	for my $path (keys %cf::MAP) {
		2389	my $map = $cf::MAP{$path} or next;
		2390	$map->valid or next;
		2391	$map->save;
		2392	}
		2393	warn "end emergency map save\n";
		2394
		2395	warn "begin emergency database checkpoint\n";
		2396	BDB::db_env_txn_checkpoint $DB_ENV;
		2397	warn "end emergency database checkpoint\n";
		2398	};
		2399
		2400	warn "leave emergency perl save\n";
		2401	}
		2402
		2403	sub post_cleanup {
		2404	my ($make_core) = @_;
		2405
		2406	warn Carp::longmess "post_cleanup backtrace"
		2407	if $make_core;
		2408	}
2090		2409
2091	sub reload() {	2410	sub reload() {
2092	# can/must only be called in main	2411	# can/must only be called in main
2093	if ($Coro::current != $Coro::main) {	2412	if ($Coro::current != $Coro::main) {
2094	warn "can only reload from main coroutine\n";	2413	warn "can only reload from main coroutine";
2095	return;	2414	return;
2096	}	2415	}
2097		2416
2098	warn "reloading...";	2417	warn "reloading...";
2099		2418
2100	my $guard = freeze_mainloop;	2419	warn "entering sync_job";
		2420
		2421	cf::sync_job {
		2422	cf::write_runtime; # external watchdog should not bark
2101	cf::emergency_save;	2423	cf::emergency_save;
		2424	cf::write_runtime; # external watchdog should not bark
2102		2425
2103	eval {	2426	warn "syncing database to disk";
		2427	BDB::db_env_txn_checkpoint $DB_ENV;
		2428
2104	# if anything goes wrong in here, we should simply crash as we already saved	2429	# if anything goes wrong in here, we should simply crash as we already saved
2105		2430
2106	# cancel all watchers	2431	warn "cancelling all WF_AUTOCANCEL watchers";
2107	for (Event::all_watchers) {	2432	for (Event::all_watchers) {
2108	$_->cancel if $_->data & WF_AUTOCANCEL;	2433	$_->cancel if $_->data & WF_AUTOCANCEL;
2109	}	2434	}
2110		2435
		2436	warn "flushing outstanding aio requests";
		2437	for (;;) {
		2438	BDB::flush;
		2439	IO::AIO::flush;
		2440	Coro::cede;
		2441	last unless IO::AIO::nreqs || BDB::nreqs;
		2442	warn "iterate...";
		2443	}
		2444
		2445	++$RELOAD;
		2446
2111	# cancel all extension coros	2447	warn "cancelling all extension coros";
2112	$_->cancel for values %EXT_CORO;	2448	$_->cancel for values %EXT_CORO;
2113	%EXT_CORO = ();	2449	%EXT_CORO = ();
2114		2450
2115	# unload all extensions	2451	warn "removing commands";
2116	for (@exts) {	2452	%COMMAND = ();
		2453
		2454	warn "removing ext commands";
		2455	%EXTCMD = ();
		2456
		2457	warn "unloading/nuking all extensions";
		2458	for my $pkg (@EXTS) {
2117	warn "unloading <$_>";	2459	warn "... unloading $pkg";
2118	unload_extension $_;	2460
		2461	if (my $cb = $pkg->can ("unload")) {
		2462	eval {
		2463	$cb->($pkg);
		2464	1
		2465	} or warn "$pkg unloaded, but with errors: $@";
2119	}	2466	}
2120		2467
		2468	warn "... nuking $pkg";
		2469	Symbol::delete_package $pkg;
		2470	}
		2471
2121	# unload all modules loaded from $LIBDIR	2472	warn "unloading all perl modules loaded from $LIBDIR";
2122	while (my ($k, $v) = each %INC) {	2473	while (my ($k, $v) = each %INC) {
2123	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2474	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2124		2475
2125	warn "removing <$k>";	2476	warn "... unloading $k";
2126	delete $INC{$k};	2477	delete $INC{$k};
2127		2478
2128	$k =~ s/\.pm$//;	2479	$k =~ s/\.pm$//;
2129	$k =~ s/\//::/g;	2480	$k =~ s/\//::/g;
2130		2481
…		…
2133	}	2484	}
2134		2485
2135	Symbol::delete_package $k;	2486	Symbol::delete_package $k;
2136	}	2487	}
2137		2488
2138	# sync database to disk
2139	cf::db_sync;
2140	IO::AIO::flush;
2141
2142	# get rid of safe::, as good as possible	2489	warn "getting rid of safe::, as good as possible";
2143	Symbol::delete_package "safe::$_"	2490	Symbol::delete_package "safe::$_"
2144	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2491	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2145		2492
2146	# remove register_script_function callbacks
2147	# TODO
2148
2149	# unload cf.pm "a bit"	2493	warn "unloading cf.pm \"a bit\"";
2150	delete $INC{"cf.pm"};	2494	delete $INC{"cf.pm"};
2151		2495
2152	# don't, removes xs symbols, too,	2496	# don't, removes xs symbols, too,
2153	# and global variables created in xs	2497	# and global variables created in xs
2154	#Symbol::delete_package __PACKAGE__;	2498	#Symbol::delete_package __PACKAGE__;
2155		2499
2156	# reload cf.pm	2500	warn "unload completed, starting to reload now";
		2501
2157	warn "reloading cf.pm";	2502	warn "reloading cf.pm";
2158	require cf;	2503	require cf;
2159	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2504	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2160		2505
2161	# load config and database again	2506	warn "loading config and database again";
2162	cf::cfg_load;	2507	cf::cfg_load;
2163	cf::db_load;
2164		2508
2165	# load extensions
2166	warn "load extensions";	2509	warn "loading extensions";
2167	cf::load_extensions;	2510	cf::load_extensions;
2168		2511
2169	# reattach attachments to objects	2512	warn "reattaching attachments to objects/players";
2170	warn "reattach";	2513	_global_reattach; # objects, sockets
2171	_global_reattach;	2514	warn "reattaching attachments to maps";
2172	};	2515	reattach $_ for values %MAP;
		2516	warn "reattaching attachments to players";
		2517	reattach $_ for values %PLAYER;
2173		2518
2174	if ($@) {	2519	warn "loading reloadable resources";
		2520	reload_resources;
		2521
		2522	warn "leaving sync_job";
		2523
		2524	1
		2525	} or do {
2175	warn $@;	2526	warn $@;
2176	warn "error while reloading, exiting.";	2527	warn "error while reloading, exiting.";
2177	exit 1;	2528	exit 1;
2178	}	2529	};
2179		2530
2180	warn "reloaded successfully";	2531	warn "reloaded";
2181	};	2532	};
2182		2533
2183	#############################################################################	2534	our $RELOAD_WATCHER; # used only during reload
2184
2185	unless ($LINK_MAP) {
2186	$LINK_MAP = cf::map::new;
2187
2188	$LINK_MAP->width (41);
2189	$LINK_MAP->height (41);
2190	$LINK_MAP->alloc;
2191	$LINK_MAP->path ("{link}");
2192	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2193	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2194
2195	# dirty hack because... archetypes are not yet loaded
2196	Event->timer (
2197	after => 10,
2198	cb => sub {
2199	$_[0]->w->cancel;
2200
2201	# provide some exits "home"
2202	my $exit = cf::object::new "exit";
2203
2204	$exit->slaying ($EMERGENCY_POSITION->[0]);
2205	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2206	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2207
2208	$LINK_MAP->insert ($exit->clone, 19, 19);
2209	$LINK_MAP->insert ($exit->clone, 19, 20);
2210	$LINK_MAP->insert ($exit->clone, 19, 21);
2211	$LINK_MAP->insert ($exit->clone, 20, 19);
2212	$LINK_MAP->insert ($exit->clone, 20, 21);
2213	$LINK_MAP->insert ($exit->clone, 21, 19);
2214	$LINK_MAP->insert ($exit->clone, 21, 20);
2215	$LINK_MAP->insert ($exit->clone, 21, 21);
2216
2217	$exit->destroy;
2218	});
2219
2220	$LINK_MAP->{deny_save} = 1;
2221	$LINK_MAP->{deny_reset} = 1;
2222
2223	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2224	}
2225
2226	register "<global>", __PACKAGE__;
2227		2535
2228	register_command "reload" => sub {	2536	register_command "reload" => sub {
2229	my ($who, $arg) = @_;	2537	my ($who, $arg) = @_;
2230		2538
2231	if ($who->flag (FLAG_WIZ)) {	2539	if ($who->flag (FLAG_WIZ)) {
2232	$who->message ("start of reload.");	2540	$who->message ("reloading server.");
		2541
		2542	# doing reload synchronously and two reloads happen back-to-back,
		2543	# coro crashes during coro_state_free->destroy here.
		2544
		2545	$RELOAD_WATCHER ||= Event->timer (
		2546	reentrant => 0,
		2547	after => 0,
		2548	data => WF_AUTOCANCEL,
		2549	cb => sub {
2233	reload;	2550	reload;
2234	$who->message ("end of reload.");	2551	undef $RELOAD_WATCHER;
		2552	},
		2553	);
2235	}	2554	}
2236	};	2555	};
2237		2556
2238	unshift @INC, $LIBDIR;	2557	unshift @INC, $LIBDIR;
		2558
		2559	my $bug_warning = 0;
2239		2560
2240	$TICK_WATCHER = Event->timer (	2561	$TICK_WATCHER = Event->timer (
2241	reentrant => 0,	2562	reentrant => 0,
		2563	parked => 1,
2242	prio => 0,	2564	prio => 0,
2243	at => $NEXT_TICK || $TICK,	2565	at => $NEXT_TICK || $TICK,
2244	data => WF_AUTOCANCEL,	2566	data => WF_AUTOCANCEL,
2245	cb => sub {	2567	cb => sub {
		2568	if ($Coro::current != $Coro::main) {
		2569	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2570	unless ++$bug_warning > 10;
		2571	return;
		2572	}
		2573
		2574	$NOW = Event::time;
		2575
2246	cf::server_tick; # one server iteration	2576	cf::server_tick; # one server iteration
2247	$RUNTIME += $TICK;	2577	$RUNTIME += $TICK;
2248	$NEXT_TICK += $TICK;	2578	$NEXT_TICK += $TICK;
		2579
		2580	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2581	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2582	Coro::async_pool {
		2583	write_runtime
		2584	or warn "ERROR: unable to write runtime file: $!";
		2585	};
		2586	}
		2587
		2588	$WAIT_FOR_TICK->broadcast;
		2589	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2590
		2591	# my $AFTER = Event::time;
		2592	# warn $AFTER - $NOW;#d#
2249		2593
2250	# if we are delayed by four ticks or more, skip them all	2594	# if we are delayed by four ticks or more, skip them all
2251	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2595	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2252		2596
2253	$TICK_WATCHER->at ($NEXT_TICK);	2597	$TICK_WATCHER->at ($NEXT_TICK);
2254	$TICK_WATCHER->start;	2598	$TICK_WATCHER->start;
2255	},	2599	},
2256	);	2600	);
2257		2601
		2602	{
2258	IO::AIO::max_poll_time $TICK * 0.2;	2603	BDB::max_poll_time $TICK * 0.1;
2259		2604	$BDB_POLL_WATCHER = Event->io (
2260	Event->io (	2605	reentrant => 0,
2261	fd => IO::AIO::poll_fileno,	2606	fd => BDB::poll_fileno,
2262	poll => 'r',	2607	poll => 'r',
2263	prio => 5,	2608	prio => 0,
2264	data => WF_AUTOCANCEL,
2265	cb => \&IO::AIO::poll_cb,
2266	);
2267
2268	Event->timer (
2269	data => WF_AUTOCANCEL,	2609	data => WF_AUTOCANCEL,
2270	after => 0,	2610	cb => \&BDB::poll_cb,
2271	interval => 10,	2611	);
2272	cb => sub {	2612	BDB::min_parallel 8;
2273	(Coro::unblock_sub {	2613
2274	write_runtime	2614	BDB::set_sync_prepare {
2275	or warn "ERROR: unable to write runtime file: $!";	2615	my $status;
		2616	my $current = $Coro::current;
		2617	(
		2618	sub {
		2619	$status = $!;
		2620	$current->ready; undef $current;
		2621	},
		2622	sub {
		2623	Coro::schedule while defined $current;
		2624	$! = $status;
		2625	},
		2626	)
		2627	};
		2628
		2629	unless ($DB_ENV) {
		2630	$DB_ENV = BDB::db_env_create;
		2631
		2632	cf::sync_job {
		2633	eval {
		2634	BDB::db_env_open
		2635	$DB_ENV,
		2636	$BDB_ENV_DIR,
		2637	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2638	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2639	0666;
		2640
		2641	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2642
		2643	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2644	$DB_ENV->set_lk_detect;
		2645	};
		2646
		2647	cf::cleanup "db_env_open(db): $@" if $@;
2276	})->();	2648	};
2277	},	2649	}
2278	);	2650	}
		2651
		2652	{
		2653	IO::AIO::min_parallel 8;
		2654
		2655	undef $Coro::AIO::WATCHER;
		2656	IO::AIO::max_poll_time $TICK * 0.1;
		2657	$AIO_POLL_WATCHER = Event->io (
		2658	reentrant => 0,
		2659	data => WF_AUTOCANCEL,
		2660	fd => IO::AIO::poll_fileno,
		2661	poll => 'r',
		2662	prio => 6,
		2663	cb => \&IO::AIO::poll_cb,
		2664	);
		2665	}
2279		2666
2280	END { cf::emergency_save }	2667	END { cf::emergency_save }
2281		2668
2282	1	2669	1
2283		2670

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