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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.119 by root, Tue Jan 2 08:26:42 2007 UTC vs.
Revision 1.198 by root, Sun Jan 28 01:58:37 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		69
58	binmode STDOUT;	70	binmode STDOUT;
59	binmode STDERR;	71	binmode STDERR;
60		72
61	# read virtual server time, if available	73	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
73		85
74	# a special map that is always available	86	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
78		87
79	#############################################################################	88	#############################################################################
80		89
81	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
82		91
…		…
106		115
107	=item %cf::CFG	116	=item %cf::CFG
108		117
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
111		127
112	=back	128	=back
113		129
114	=cut	130	=cut
115		131
…		…
119	utf8::encode $msg;	135	utf8::encode $msg;
120		136
121	$msg .= "\n"	137	$msg .= "\n"
122	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
123		139
124	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
125	};	141	};
126	}	142	}
127		143
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		163
148	$Event::DIED = sub {	164	$Event::DIED = sub {
149	warn "error in event callback: @_";	165	warn "error in event callback: @_";
150	};	166	};
151		167
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
157		169
158	=over 4	170	=over 4
159		171
		172	=item dumpval $ref
		173
160	=cut	174	=cut
		175
		176	sub dumpval {
		177	eval {
		178	local $SIG{__DIE__};
		179	my $d;
		180	if (1) {
		181	$d = new Data::Dumper([$_[0]], ["*var"]);
		182	$d->Terse(1);
		183	$d->Indent(2);
		184	$d->Quotekeys(0);
		185	$d->Useqq(1);
		186	#$d->Bless(...);
		187	$d->Seen($_[1]) if @_ > 1;
		188	$d = $d->Dump();
		189	}
		190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		191	$d
		192	} || "[unable to dump $_[0]: '$@']";
		193	}
161		194
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		196
164	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
165		198
…		…
180		213
181	sub to_json($) {	214	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	216	JSON::Syck::Dump $_[0]
184	}	217	}
		218
		219	=item cf::lock_wait $string
		220
		221	Wait until the given lock is available. See cf::lock_acquire.
		222
		223	=item my $lock = cf::lock_acquire $string
		224
		225	Wait until the given lock is available and then acquires it and returns
		226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		227	for example when the coroutine gets canceled), the lock is automatically
		228	returned.
		229
		230	Lock names should begin with a unique identifier (for example, cf::map::find
		231	uses map_find and cf::map::load uses map_load).
		232
		233	=cut
		234
		235	our %LOCK;
		236
		237	sub lock_wait($) {
		238	my ($key) = @_;
		239
		240	# wait for lock, if any
		241	while ($LOCK{$key}) {
		242	push @{ $LOCK{$key} }, $Coro::current;
		243	Coro::schedule;
		244	}
		245	}
		246
		247	sub lock_acquire($) {
		248	my ($key) = @_;
		249
		250	# wait, to be sure we are not locked
		251	lock_wait $key;
		252
		253	$LOCK{$key} = [];
		254
		255	Coro::guard {
		256	# wake up all waiters, to be on the safe side
		257	$_->ready for @{ delete $LOCK{$key} };
		258	}
		259	}
		260
		261	sub freeze_mainloop {
		262	return unless $TICK_WATCHER->is_active;
		263
		264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
		269	$TICK_WATCHER->stop;
		270	$guard
		271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
185		282
186	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
187		284
188	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
205		302
206	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	304	# (but this is cancel-safe)
208	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
209		306
210	my $busy = 1;	307	my $busy = 1;
211	my @res;	308	my @res;
212		309
213	(Coro::async {	310	(async {
214	@res = eval { $job->() };	311	@res = eval { $job->() };
215	warn $@ if $@;	312	warn $@ if $@;
216	undef $busy;	313	undef $busy;
217	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
218		315
219	while ($busy) {	316	while ($busy) {
220	Coro::cede_notself;	317	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	318	}
223		319
224	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
225	} else {	321	} else {
226	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
227		323
228	$job->()	324	$job->()
229	}	325	}
230	}	326	}
231		327
232	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
233		329
234	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
236		332
237	=cut	333	=cut
238		334
239	sub coro(&) {	335	sub async_ext(&) {
240	my $cb = shift;	336	my $cb = shift;
241		337
242	my $coro; $coro = async {	338	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		339
249	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
251	});	342	});
252	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
258	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
259		350
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	352	or return;
262		353
		354	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	355	# 10 is the runtime save interval, for a monotonic clock
		356	# 60 allows for the watchdog to kill the server.
		357
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	359	and return;
266		360
267	aio_fsync $fh	361	aio_fsync $fh
268	and return;	362	and return;
…		…
277	}	371	}
278		372
279	=back	373	=back
280		374
281	=cut	375	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402		376
403	#############################################################################	377	#############################################################################
404		378
405	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
406		380
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	507	our @CB_MAP = ();
534		508
535	my %attachment;	509	my %attachment;
536		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
537	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
539		519
540	use sort 'stable';	520	use sort 'stable';
541		521
…		…
712	# object support	692	# object support
713		693
714	sub reattach {	694	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		699
718	my $registry = $obj->registry;	700	my $registry = $obj->registry;
719		701
720	@$registry = ();	702	@$registry = ();
721		703
…		…
853	=cut	835	=cut
854		836
855	sub register_extcmd {	837	sub register_extcmd {
856	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
857		839
858	my $caller = caller;
859	#warn "registering extcmd '$name' to '$caller'";
860
861	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
862	}	841	}
863		842
864	cf::player->attach (	843	cf::player->attach (
865	on_command => sub {	844	on_command => sub {
866	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
879		858
880	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
881		860
882	if (ref $msg) {	861	if (ref $msg) {
883	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
884	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
885	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
886	}	865	}
887	}	866	}
888	} else {	867	} else {
889	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
891		870
892	cf::override;	871	cf::override;
893	},	872	},
894	);	873	);
895		874
896	sub register {
897	my ($base, $pkg) = @_;
898
899	#TODO
900	}
901
902	sub load_extension {	875	sub load_extension {
903	my ($path) = @_;	876	my ($path) = @_;
904		877
905	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
906	my $base = $1;	879	my $base = $1;
907	my $pkg = $1;	880	my $pkg = $1;
908	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
909	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
910		883
911	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
912		885
913	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
914	or die "$path: $!";	887	or die "$path: $!";
915		888
916	my $source =	889	my $source =
917	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
918	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
919	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
920	. "\n};\n1";	893	. "\n};\n1";
921		894
922	eval $source	895	unless (eval $source) {
923	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
924	: "extension disabled.\n";	897	: "extension disabled.\n";
925		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
926	push @exts, $pkg;	899	warn $@;
927	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
928		901	exit 1;
929	# no strict 'refs';	902	}
930	# @{"$pkg\::ISA"} = ext::;	903	die $@;
931
932	register $base, $pkg;
933	}
934
935	sub unload_extension {
936	my ($pkg) = @_;
937
938	warn "removing extension $pkg\n";
939
940	# remove hooks
941	#TODO
942	# for my $idx (0 .. $#PLUGIN_EVENT) {
943	# delete $hook[$idx]{$pkg};
944	# }	904	}
945		905
946	# remove commands	906	push @EXTS, $pkg;
947	for my $name (keys %COMMAND) {
948	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
949
950	if (@cb) {
951	$COMMAND{$name} = \@cb;
952	} else {
953	delete $COMMAND{$name};
954	}
955	}
956
957	# remove extcmds
958	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
959	delete $EXTCMD{$name};
960	}
961
962	if (my $cb = $pkg->can ("unload")) {
963	eval {
964	$cb->($pkg);
965	1
966	} or warn "$pkg unloaded, but with errors: $@";
967	}
968
969	Symbol::delete_package $pkg;
970	}	907	}
971		908
972	sub load_extensions {	909	sub load_extensions {
973	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
974	next unless -r $ext;	911	next unless -r $ext;
…		…
978	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
979	}	916	}
980	}	917	}
981		918
982	#############################################################################	919	#############################################################################
983	# load/save/clean perl data associated with a map
984
985	*cf::mapsupport::on_clean = sub {
986	my ($map) = @_;
987
988	my $path = $map->tmpname;
989	defined $path or return;
990
991	unlink "$path.pst";
992	};
993
994	cf::map->attach (prio => -10000, package => cf::mapsupport::);
995
996	#############################################################################
997	# load/save perl data associated with player->ob objects
998
999	sub all_objects(@) {
1000	@_, map all_objects ($_->inv), @_
1001	}
1002
1003	# TODO: compatibility cruft, remove when no longer needed
1004	cf::player->attach (
1005	on_load => sub {
1006	my ($pl, $path) = @_;
1007
1008	for my $o (all_objects $pl->ob) {
1009	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1010	$o->set_ob_key_value ("_perl_data");
1011
1012	%$o = %{ Storable::thaw pack "H*", $value };
1013	}
1014	}
1015	},
1016	);
1017
1018	#############################################################################
1019		920
1020	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1021		922
1022	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1023		924
		925	=cut
		926
		927	package cf::player;
		928
		929	use Coro::AIO;
		930
1024	=head3 cf::player	931	=head3 cf::player
1025		932
1026	=over 4	933	=over 4
1027		934
1028	=item cf::player::exists $login	935	=item cf::player::find $login
1029		936
1030	Returns true when the given account exists.	937	Returns the given player object, loading it if necessary (might block).
1031		938
1032	=cut	939	=cut
1033		940
1034	sub cf::player::exists($) {	941	sub playerdir($) {
1035	cf::player::find $_[0]	942	cf::localdir
1036	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	943	. "/"
		944	. cf::playerdir
		945	. "/"
		946	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		947	}
		948
		949	sub path($) {
		950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		951
		952	(playerdir $login) . "/$login.pl"
		953	}
		954
		955	sub find_active($) {
		956	$cf::PLAYER{$_[0]}
		957	and $cf::PLAYER{$_[0]}->active
		958	and $cf::PLAYER{$_[0]}
		959	}
		960
		961	sub exists($) {
		962	my ($login) = @_;
		963
		964	$cf::PLAYER{$login}
		965	or cf::sync_job { !aio_stat path $login }
		966	}
		967
		968	sub find($) {
		969	return $cf::PLAYER{$_[0]} || do {
		970	my $login = $_[0];
		971
		972	my $guard = cf::lock_acquire "user_find:$login";
		973
		974	$cf::PLAYER{$_[0]} || do {
		975	my $pl = load_pl path $login
		976	or return;
		977	$cf::PLAYER{$login} = $pl
		978	}
		979	}
		980	}
		981
		982	sub save($) {
		983	my ($pl) = @_;
		984
		985	return if $pl->{deny_save};
		986
		987	my $path = path $pl;
		988	my $guard = cf::lock_acquire "user_save:$path";
		989
		990	return if $pl->{deny_save};
		991
		992	aio_mkdir playerdir $pl, 0770;
		993	$pl->{last_save} = $cf::RUNTIME;
		994
		995	$pl->save_pl ($path);
		996	Coro::cede;
		997	}
		998
		999	sub new($) {
		1000	my ($login) = @_;
		1001
		1002	my $self = create;
		1003
		1004	$self->ob->name ($login);
		1005	$self->{deny_save} = 1;
		1006
		1007	$cf::PLAYER{$login} = $self;
		1008
		1009	$self
		1010	}
		1011
		1012	=item $pl->quit_character
		1013
		1014	Nukes the player without looking back. If logged in, the connection will
		1015	be destroyed. May block for a long time.
		1016
		1017	=cut
		1018
		1019	sub quit_character {
		1020	my ($pl) = @_;
		1021
		1022	$pl->{deny_save} = 1;
		1023	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1024
		1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1026	$pl->deactivate;
		1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1028	$pl->ns->destroy if $pl->ns;
		1029
		1030	my $path = playerdir $pl;
		1031	my $temp = "$path~$cf::RUNTIME~deleting~";
		1032	aio_rename $path, $temp;
		1033	delete $cf::PLAYER{$pl->ob->name};
		1034	$pl->destroy;
		1035	IO::AIO::aio_rmtree $temp;
		1036	}
		1037
		1038	=item cf::player::list_logins
		1039
		1040	Returns am arrayref of all valid playernames in the system, can take a
		1041	while and may block, so not sync_job-capable, ever.
		1042
		1043	=cut
		1044
		1045	sub list_logins {
		1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1047	or return [];
		1048
		1049	my @logins;
		1050
		1051	for my $login (@$dirs) {
		1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1053	aio_read $fh, 0, 512, my $buf, 0 or next;
		1054	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1055
		1056	utf8::decode $login;
		1057	push @logins, $login;
		1058	}
		1059
		1060	\@logins
		1061	}
		1062
		1063	=item $player->maps
		1064
		1065	Returns an arrayref of map paths that are private for this
		1066	player. May block.
		1067
		1068	=cut
		1069
		1070	sub maps($) {
		1071	my ($pl) = @_;
		1072
		1073	my $files = aio_readdir playerdir $pl
		1074	or return;
		1075
		1076	my @paths;
		1077
		1078	for (@$files) {
		1079	utf8::decode $_;
		1080	next if /\.(?:pl|pst)$/;
		1081	next unless /^$PATH_SEP/o;
		1082
		1083	s/\.map$//;
		1084	push @paths, "~" . $pl->ob->name . "/" . $_;
		1085	}
		1086
		1087	\@paths
1037	}	1088	}
1038		1089
1039	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1040		1091
1041	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
1042		1093
1043	=cut	1094	=cut
1044		1095
1045	sub cf::player::ext_reply($$$%) {	1096	sub ext_reply($$$%) {
1046	my ($self, $id, %msg) = @_;	1097	my ($self, $id, %msg) = @_;
1047		1098
1048	$msg{msgid} = $id;	1099	$msg{msgid} = $id;
1049		1100
1050	$self->send ("ext " . to_json \%msg);	1101	$self->send ("ext " . cf::to_json \%msg);
1051	}	1102	}
		1103
		1104	package cf;
1052		1105
1053	=back	1106	=back
1054		1107
1055		1108
1056	=head3 cf::map	1109	=head3 cf::map
…		…
1062	package cf::map;	1115	package cf::map;
1063		1116
1064	use Fcntl;	1117	use Fcntl;
1065	use Coro::AIO;	1118	use Coro::AIO;
1066		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1067	our $MAX_RESET = 7200;	1124	our $MAX_RESET = 3600;
1068	our $DEFAULT_RESET = 3600;	1125	our $DEFAULT_RESET = 3000;
1069		1126
1070	sub generate_random_map {	1127	sub generate_random_map {
1071	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1072
1073	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1074	cf::map::_create_random_map	1130	$self->_create_random_map (
1075	$path,
1076	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1077	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1078	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1079	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1080	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1081	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1082	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1083	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1084	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1085	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1086	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	=item cf::map->register ($regex, $prio)
		1146
		1147	Register a handler for the map path matching the given regex at the
		1148	givne priority (higher is better, built-in handlers have priority 0, the
		1149	default).
		1150
		1151	=cut
		1152
		1153	sub register {
		1154	my (undef, $regex, $prio) = @_;
		1155	my $pkg = caller;
		1156
		1157	no strict;
		1158	push @{"$pkg\::ISA"}, __PACKAGE__;
		1159
		1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1161	}
		1162
		1163	# also paths starting with '/'
		1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1165
		1166	sub thawer_merge {
		1167	my ($self, $merge) = @_;
		1168
		1169	# we have to keep some variables in memory intact
		1170	local $self->{path};
		1171	local $self->{load_path};
		1172	local $self->{deny_save};
		1173	local $self->{deny_reset};
		1174
		1175	$self->SUPER::thawer_merge ($merge);
		1176	}
		1177
		1178	sub normalise {
		1179	my ($path, $base) = @_;
		1180
		1181	$path = "$path"; # make sure its a string
		1182
		1183	# map plan:
		1184	#
		1185	# /! non-realised random map exit (special hack!)
		1186	# {... are special paths that are not being touched
		1187	# ?xxx/... are special absolute paths
		1188	# ?random/... random maps
		1189	# /... normal maps
		1190	# ~user/... per-player map of a specific user
		1191
		1192	$path =~ s/$PATH_SEP/\//go;
		1193
		1194	# treat it as relative path if it starts with
		1195	# something that looks reasonable
		1196	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1197	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1198
		1199	$base =~ s{[^/]+/?$}{};
		1200	$path = "$base/$path";
		1201	}
		1202
		1203	for ($path) {
		1204	redo if s{//}{/};
		1205	redo if s{/\.?/}{/};
		1206	redo if s{/[^/]+/\.\./}{/};
		1207	}
		1208
		1209	$path
		1210	}
		1211
		1212	sub new_from_path {
		1213	my (undef, $path, $base) = @_;
		1214
		1215	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1216
		1217	$path = normalise $path, $base;
		1218
		1219	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1220	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1221	my $self = bless cf::map::new, $pkg;
		1222	$self->{path} = $path; $self->path ($path);
		1223	$self->init; # pass $1 etc.
		1224	return $self;
		1225	}
		1226	}
		1227
		1228	Carp::carp "unable to resolve path '$path' (base '$base').";
		1229	()
		1230	}
		1231
		1232	sub init {
		1233	my ($self) = @_;
		1234
		1235	$self
		1236	}
		1237
		1238	sub as_string {
		1239	my ($self) = @_;
		1240
		1241	"$self->{path}"
		1242	}
		1243
		1244	# the displayed name, this is a one way mapping
		1245	sub visible_name {
		1246	&as_string
		1247	}
		1248
		1249	# the original (read-only) location
		1250	sub load_path {
		1251	my ($self) = @_;
		1252
		1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1254	}
		1255
		1256	# the temporary/swap location
		1257	sub save_path {
		1258	my ($self) = @_;
		1259
		1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1262	}
		1263
		1264	# the unique path, undef == no special unique path
		1265	sub uniq_path {
		1266	my ($self) = @_;
		1267
		1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1087	}	1270	}
1088		1271
1089	# and all this just because we cannot iterate over	1272	# and all this just because we cannot iterate over
1090	# all maps in C++...	1273	# all maps in C++...
1091	sub change_all_map_light {	1274	sub change_all_map_light {
1092	my ($change) = @_;	1275	my ($change) = @_;
1093		1276
1094	$_->change_map_light ($change) for values %cf::MAP;	1277	$_->change_map_light ($change)
		1278	for grep $_->outdoor, values %cf::MAP;
1095	}	1279	}
1096		1280
		1281	sub unlink_save {
		1282	my ($self) = @_;
		1283
		1284	utf8::encode (my $save = $self->save_path);
		1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1286	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1287	}
		1288
1097	sub try_load_header($) {	1289	sub load_header_from($) {
1098	my ($path) = @_;	1290	my ($self, $path) = @_;
1099		1291
1100	utf8::encode $path;	1292	utf8::encode $path;
1101	aio_open $path, O_RDONLY, 0	1293	aio_open $path, O_RDONLY, 0
1102	or return;	1294	or return;
1103		1295
1104	my $map = cf::map::new	1296	$self->_load_header ($path)
1105	or return;	1297	or return;
1106		1298
1107	$map->load_header ($path)	1299	$self->{load_path} = $path;
		1300
		1301	1
		1302	}
		1303
		1304	sub load_header_orig {
		1305	my ($self) = @_;
		1306
		1307	$self->load_header_from ($self->load_path)
		1308	}
		1309
		1310	sub load_header_temp {
		1311	my ($self) = @_;
		1312
		1313	$self->load_header_from ($self->save_path)
		1314	}
		1315
		1316	sub prepare_temp {
		1317	my ($self) = @_;
		1318
		1319	$self->last_access ((delete $self->{last_access})
		1320	|| $cf::RUNTIME); #d#
		1321	# safety
		1322	$self->{instantiate_time} = $cf::RUNTIME
		1323	if $self->{instantiate_time} > $cf::RUNTIME;
		1324	}
		1325
		1326	sub prepare_orig {
		1327	my ($self) = @_;
		1328
		1329	$self->{load_original} = 1;
		1330	$self->{instantiate_time} = $cf::RUNTIME;
		1331	$self->last_access ($cf::RUNTIME);
		1332	$self->instantiate;
		1333	}
		1334
		1335	sub load_header {
		1336	my ($self) = @_;
		1337
		1338	if ($self->load_header_temp) {
		1339	$self->prepare_temp;
		1340	} else {
		1341	$self->load_header_orig
1108	or return;	1342	or return;
		1343	$self->prepare_orig;
		1344	}
1109		1345
1110	$map->{load_path} = $path;	1346	1
1111
1112	$map
1113	}	1347	}
1114		1348
		1349	sub find;
1115	sub find_map {	1350	sub find {
1116	my ($path, $origin) = @_;	1351	my ($path, $origin) = @_;
1117		1352
1118	#warn "find_map<$path,$origin>\n";#d#
1119
1120	$path = new cf::path $path, $origin && $origin->path;	1353	$path = normalise $path, $origin && $origin->path;
1121	my $key = $path->as_string;
1122		1354
		1355	cf::lock_wait "map_find:$path";
		1356
1123	$cf::MAP{$key} || do {	1357	$cf::MAP{$path} || do {
1124	# do it the slow way	1358	my $guard = cf::lock_acquire "map_find:$path";
1125	my $map = try_load_header $path->save_path;	1359	my $map = new_from_path cf::map $path
1126
1127	if ($map) {
1128	# safety
1129	$map->{instantiate_time} = $cf::RUNTIME
1130	if $map->{instantiate_time} > $cf::RUNTIME;
1131	} else {
1132	if (my $rmp = $path->random_map_params) {
1133	$map = generate_random_map $key, $rmp;
1134	} else {
1135	$map = try_load_header $path->load_path;
1136	}
1137
1138	$map or return;	1360	or return;
1139		1361
1140	$map->{load_original} = 1;
1141	$map->{instantiate_time} = $cf::RUNTIME;
1142	$map->instantiate;
1143
1144	# per-player maps become, after loading, normal maps
1145	$map->per_player (0) if $path->{user_rel};
1146	}
1147	#Coro::Timer::sleep 1;#d#
1148
1149	$map->path ($key);
1150	$map->{path} = $path;
1151	$map->{last_save} = $cf::RUNTIME;	1362	$map->{last_save} = $cf::RUNTIME;
1152	$map->last_access ($cf::RUNTIME);
1153		1363
1154	if ($map->should_reset) {	1364	$map->load_header
		1365	or return;
		1366
		1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1368	# doing this can freeze the server in a sync job, obviously
		1369	#$cf::WAIT_FOR_TICK->wait;
1155	$map->reset;	1370	$map->reset;
1156	$map = find_map $path;	1371	undef $guard;
		1372	return find $path;
1157	}	1373	}
1158		1374
1159	$cf::MAP{$key} = $map	1375	$cf::MAP{$path} = $map
1160	}	1376	}
1161	}	1377	}
		1378
		1379	sub pre_load { }
		1380	sub post_load { }
1162		1381
1163	sub load {	1382	sub load {
1164	my ($self) = @_;	1383	my ($self) = @_;
1165		1384
		1385	local $self->{deny_reset} = 1; # loading can take a long time
		1386
		1387	my $path = $self->{path};
		1388	my $guard = cf::lock_acquire "map_load:$path";
		1389
1166	return if $self->in_memory != cf::MAP_SWAPPED;	1390	return if $self->in_memory != cf::MAP_SWAPPED;
1167		1391
1168	$self->in_memory (cf::MAP_LOADING);	1392	$self->in_memory (cf::MAP_LOADING);
1169		1393
1170	my $path = $self->{path};
1171
1172	$self->alloc;	1394	$self->alloc;
		1395
		1396	$self->pre_load;
		1397
1173	$self->load_objects ($self->{load_path}, 1)	1398	$self->_load_objects ($self->{load_path}, 1)
1174	or return;	1399	or return;
1175		1400
1176	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1401	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1177	if delete $self->{load_original};	1402	if delete $self->{load_original};
1178		1403
1179	if (my $uniq = $path->uniq_path) {	1404	if (my $uniq = $self->uniq_path) {
1180	utf8::encode $uniq;	1405	utf8::encode $uniq;
1181	if (aio_open $uniq, O_RDONLY, 0) {	1406	if (aio_open $uniq, O_RDONLY, 0) {
1182	$self->clear_unique_items;	1407	$self->clear_unique_items;
1183	$self->load_objects ($uniq, 0);	1408	$self->_load_objects ($uniq, 0);
1184	}	1409	}
1185	}	1410	}
		1411
		1412	Coro::cede;
1186		1413
1187	# now do the right thing for maps	1414	# now do the right thing for maps
1188	$self->link_multipart_objects;	1415	$self->link_multipart_objects;
1189		1416
1190	if ($self->{path}->is_style_map) {	1417	unless ($self->{deny_activate}) {
1191	$self->{deny_save} = 1;	1418	$self->decay_objects;
1192	$self->{deny_reset} = 1;
1193	} else {
1194	$self->fix_auto_apply;	1419	$self->fix_auto_apply;
1195	$self->decay_objects;
1196	$self->update_buttons;	1420	$self->update_buttons;
		1421	Coro::cede;
1197	$self->set_darkness_map;	1422	$self->set_darkness_map;
1198	$self->difficulty ($self->estimate_difficulty)	1423	$self->difficulty ($self->estimate_difficulty)
1199	unless $self->difficulty;	1424	unless $self->difficulty;
		1425	Coro::cede;
1200	$self->activate;	1426	$self->activate;
1201	}	1427	}
1202		1428
		1429	$self->post_load;
		1430
1203	$self->in_memory (cf::MAP_IN_MEMORY);	1431	$self->in_memory (cf::MAP_IN_MEMORY);
1204	}	1432	}
1205		1433
1206	sub load_map_sync {	1434	sub customise_for {
		1435	my ($self, $ob) = @_;
		1436
		1437	return find "~" . $ob->name . "/" . $self->{path}
		1438	if $self->per_player;
		1439
		1440	$self
		1441	}
		1442
		1443	# find and load all maps in the 3x3 area around a map
		1444	sub load_diag {
		1445	my ($map) = @_;
		1446
		1447	my @diag; # diagonal neighbours
		1448
		1449	for (0 .. 3) {
		1450	my $neigh = $map->tile_path ($_)
		1451	or next;
		1452	$neigh = find $neigh, $map
		1453	or next;
		1454	$neigh->load;
		1455
		1456	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1457	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1458	}
		1459
		1460	for (@diag) {
		1461	my $neigh = find @$_
		1462	or next;
		1463	$neigh->load;
		1464	}
		1465	}
		1466
		1467	sub find_sync {
1207	my ($path, $origin) = @_;	1468	my ($path, $origin) = @_;
1208		1469
1209	#warn "load_map_sync<$path, $origin>\n";#d#	1470	cf::sync_job { find $path, $origin }
		1471	}
1210		1472
1211	cf::sync_job {	1473	sub do_load_sync {
1212	my $map = cf::map::find_map $path, $origin	1474	my ($map) = @_;
1213	or return;	1475
		1476	cf::sync_job { $map->load };
		1477	}
		1478
		1479	our %MAP_PREFETCH;
		1480	our $MAP_PREFETCHER = undef;
		1481
		1482	sub find_async {
		1483	my ($path, $origin) = @_;
		1484
		1485	$path = normalise $path, $origin && $origin->{path};
		1486
		1487	if (my $map = $cf::MAP{$path}) {
		1488	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1489	}
		1490
		1491	undef $MAP_PREFETCH{$path};
		1492	$MAP_PREFETCHER ||= cf::async {
		1493	while (%MAP_PREFETCH) {
		1494	for my $path (keys %MAP_PREFETCH) {
		1495	my $map = find $path
		1496	or next;
1214	$map->load;	1497	$map->load;
1215	$map	1498
		1499	delete $MAP_PREFETCH{$path};
		1500	}
		1501	}
		1502	undef $MAP_PREFETCHER;
1216	}	1503	};
		1504	$MAP_PREFETCHER->prio (6);
		1505
		1506	()
1217	}	1507	}
1218		1508
1219	sub save {	1509	sub save {
1220	my ($self) = @_;	1510	my ($self) = @_;
1221		1511
		1512	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1513
1222	$self->{last_save} = $cf::RUNTIME;	1514	$self->{last_save} = $cf::RUNTIME;
1223		1515
1224	return unless $self->dirty;	1516	return unless $self->dirty;
1225		1517
1226	my $save = $self->{path}->save_path; utf8::encode $save;	1518	my $save = $self->save_path; utf8::encode $save;
1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1519	my $uniq = $self->uniq_path; utf8::encode $uniq;
1228		1520
1229	$self->{load_path} = $save;	1521	$self->{load_path} = $save;
1230		1522
1231	return if $self->{deny_save};	1523	return if $self->{deny_save};
1232		1524
		1525	local $self->{last_access} = $self->last_access;#d#
		1526
		1527	cf::async {
		1528	$_->contr->save for $self->players;
		1529	};
		1530
1233	if ($uniq) {	1531	if ($uniq) {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1532	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1235	$self->save_objects ($uniq, cf::IO_UNIQUES);	1533	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1236	} else {	1534	} else {
1237	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1238	}	1536	}
1239	}	1537	}
1240		1538
1241	sub swap_out {	1539	sub swap_out {
1242	my ($self) = @_;	1540	my ($self) = @_;
		1541
		1542	# save first because save cedes
		1543	$self->save;
		1544
		1545	my $lock = cf::lock_acquire "map_data:" . $self->path;
1243		1546
1244	return if $self->players;	1547	return if $self->players;
1245	return if $self->in_memory != cf::MAP_IN_MEMORY;	1548	return if $self->in_memory != cf::MAP_IN_MEMORY;
1246	return if $self->{deny_save};	1549	return if $self->{deny_save};
1247		1550
1248	$self->save;
1249	$self->clear;	1551	$self->clear;
1250	$self->in_memory (cf::MAP_SWAPPED);	1552	$self->in_memory (cf::MAP_SWAPPED);
1251	}	1553	}
1252		1554
1253	sub reset_at {	1555	sub reset_at {
1254	my ($self) = @_;	1556	my ($self) = @_;
1255		1557
1256	# TODO: safety, remove and allow resettable per-player maps	1558	# TODO: safety, remove and allow resettable per-player maps
1257	return 1e99 if $self->{path}{user_rel};	1559	return 1e99 if $self->isa ("ext::map_per_player");#d#
1258	return 1e99 if $self->{deny_reset};	1560	return 1e99 if $self->{deny_reset};
1259		1561
1260	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1562	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1261	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1563	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1262		1564
…		…
1267	my ($self) = @_;	1569	my ($self) = @_;
1268		1570
1269	$self->reset_at <= $cf::RUNTIME	1571	$self->reset_at <= $cf::RUNTIME
1270	}	1572	}
1271		1573
1272	sub unlink_save {
1273	my ($self) = @_;
1274
1275	utf8::encode (my $save = $self->{path}->save_path);
1276	aioreq_pri 3; IO::AIO::aio_unlink $save;
1277	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1278	}
1279
1280	sub rename {
1281	my ($self, $new_path) = @_;
1282
1283	$self->unlink_save;
1284
1285	delete $cf::MAP{$self->path};
1286	$self->{path} = new cf::path $new_path;
1287	$self->path ($self->{path}->as_string);
1288	$cf::MAP{$self->path} = $self;
1289
1290	$self->save;
1291	}
1292
1293	sub reset {	1574	sub reset {
1294	my ($self) = @_;	1575	my ($self) = @_;
1295		1576
		1577	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1578
1296	return if $self->players;	1579	return if $self->players;
1297	return if $self->{path}{user_rel};#d#	1580	return if $self->isa ("ext::map_per_player");#d#
1298		1581
1299	warn "resetting map ", $self->path;#d#	1582	warn "resetting map ", $self->path;#d#
1300		1583
1301	delete $cf::MAP{$self->path};	1584	delete $cf::MAP{$self->path};
		1585
		1586	$self->in_memory (cf::MAP_SWAPPED);
		1587	$self->clear;
1302		1588
1303	$_->clear_links_to ($self) for values %cf::MAP;	1589	$_->clear_links_to ($self) for values %cf::MAP;
1304		1590
1305	$self->unlink_save;	1591	$self->unlink_save;
1306	$self->destroy;	1592	$self->destroy;
…		…
1309	my $nuke_counter = "aaaa";	1595	my $nuke_counter = "aaaa";
1310		1596
1311	sub nuke {	1597	sub nuke {
1312	my ($self) = @_;	1598	my ($self) = @_;
1313		1599
		1600	delete $cf::MAP{$self->path};
		1601
		1602	$self->unlink_save;
		1603
		1604	bless $self, "cf::map";
		1605	delete $self->{deny_reset};
1314	$self->{deny_save} = 1;	1606	$self->{deny_save} = 1;
1315	$self->reset_timeout (1);	1607	$self->reset_timeout (1);
1316	$self->rename ("{nuke}/" . ($nuke_counter++));	1608	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1609
		1610	$cf::MAP{$self->path} = $self;
		1611
1317	$self->reset; # polite request, might not happen	1612	$self->reset; # polite request, might not happen
1318	}	1613	}
1319		1614
1320	sub customise_for {	1615	=item cf::map::unique_maps
1321	my ($map, $ob) = @_;
1322		1616
1323	if ($map->per_player) {	1617	Returns an arrayref of paths of all shared maps that have
1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1618	instantiated unique items. May block.
1325	}
1326		1619
1327	$map	1620	=cut
1328	}
1329		1621
1330	sub emergency_save {	1622	sub unique_maps() {
1331	local $cf::FREEZE = 1;	1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1624	or return;
1332		1625
1333	warn "enter emergency map save\n";	1626	my @paths;
1334		1627
1335	cf::sync_job {	1628	for (@$files) {
1336	warn "begin emergency map save\n";	1629	utf8::decode $_;
1337	$_->save for values %cf::MAP;	1630	next if /\.pst$/;
		1631	next unless /^$PATH_SEP/o;
		1632
		1633	s/\.map$//;
		1634	push @paths, $_;
1338	};	1635	}
1339		1636
1340	warn "end emergency map save\n";	1637	\@paths
1341	}	1638	}
1342		1639
1343	package cf;	1640	package cf;
1344		1641
1345	=back	1642	=back
1346		1643
		1644	=head3 cf::object
		1645
		1646	=cut
		1647
		1648	package cf::object;
		1649
		1650	=over 4
		1651
		1652	=item $ob->inv_recursive
		1653
		1654	Returns the inventory of the object _and_ their inventories, recursively.
		1655
		1656	=cut
		1657
		1658	sub inv_recursive_;
		1659	sub inv_recursive_ {
		1660	map { $_, inv_recursive_ $_->inv } @_
		1661	}
		1662
		1663	sub inv_recursive {
		1664	inv_recursive_ inv $_[0]
		1665	}
		1666
		1667	package cf;
		1668
		1669	=back
1347		1670
1348	=head3 cf::object::player	1671	=head3 cf::object::player
1349		1672
1350	=over 4	1673	=over 4
1351		1674
…		…
1391		1714
1392	=item $player_object->enter_link	1715	=item $player_object->enter_link
1393		1716
1394	Freezes the player and moves him/her to a special map (C<{link}>).	1717	Freezes the player and moves him/her to a special map (C<{link}>).
1395		1718
1396	The player should be reaosnably safe there for short amounts of time. You	1719	The player should be reasonably safe there for short amounts of time. You
1397	I<MUST> call C<leave_link> as soon as possible, though.	1720	I<MUST> call C<leave_link> as soon as possible, though.
1398		1721
		1722	Will never block.
		1723
1399	=item $player_object->leave_link ($map, $x, $y)	1724	=item $player_object->leave_link ($map, $x, $y)
1400		1725
1401	Moves the player out of the specila link map onto the given map. If the	1726	Moves the player out of the special C<{link}> map onto the specified
1402	map is not valid (or omitted), the player will be moved back to the	1727	map. If the map is not valid (or omitted), the player will be moved back
1403	location he/she was before the call to C<enter_link>, or, if that fails,	1728	to the location he/she was before the call to C<enter_link>, or, if that
1404	to the emergency map position.	1729	fails, to the emergency map position.
1405		1730
1406	Might block.	1731	Might block.
1407		1732
1408	=cut	1733	=cut
		1734
		1735	sub link_map {
		1736	unless ($LINK_MAP) {
		1737	$LINK_MAP = cf::map::find "{link}"
		1738	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1739	$LINK_MAP->load;
		1740	}
		1741
		1742	$LINK_MAP
		1743	}
1409		1744
1410	sub cf::object::player::enter_link {	1745	sub cf::object::player::enter_link {
1411	my ($self) = @_;	1746	my ($self) = @_;
1412		1747
1413	return if $self->map == $LINK_MAP;	1748	$self->deactivate_recursive;
1414		1749
		1750	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1751
1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1752	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1416	if $self->map;	1753	if $self->map;
1417		1754
1418	$self->enter_map ($LINK_MAP, 20, 20);	1755	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1419	$self->deactivate_recursive;
1420	}	1756	}
1421		1757
1422	sub cf::object::player::leave_link {	1758	sub cf::object::player::leave_link {
1423	my ($self, $map, $x, $y) = @_;	1759	my ($self, $map, $x, $y) = @_;
1424		1760
1425	my $link_pos = delete $self->{_link_pos};	1761	my $link_pos = delete $self->{_link_pos};
1426		1762
1427	unless ($map) {	1763	unless ($map) {
1428	# restore original map position	1764	# restore original map position
1429	($map, $x, $y) = @{ $link_pos || [] };	1765	($map, $x, $y) = @{ $link_pos || [] };
1430	$map = cf::map::find_map $map;	1766	$map = cf::map::find $map;
1431		1767
1432	unless ($map) {	1768	unless ($map) {
1433	($map, $x, $y) = @$EMERGENCY_POSITION;	1769	($map, $x, $y) = @$EMERGENCY_POSITION;
1434	$map = cf::map::find_map $map	1770	$map = cf::map::find $map
1435	or die "FATAL: cannot load emergency map\n";	1771	or die "FATAL: cannot load emergency map\n";
1436	}	1772	}
1437	}	1773	}
1438		1774
1439	($x, $y) = (-1, -1)	1775	($x, $y) = (-1, -1)
…		…
1442	# use -1 or undef as default coordinates, not 0, 0	1778	# use -1 or undef as default coordinates, not 0, 0
1443	($x, $y) = ($map->enter_x, $map->enter_y)	1779	($x, $y) = ($map->enter_x, $map->enter_y)
1444	if $x <=0 && $y <= 0;	1780	if $x <=0 && $y <= 0;
1445		1781
1446	$map->load;	1782	$map->load;
		1783	$map->load_diag;
1447		1784
		1785	return unless $self->contr->active;
1448	$self->activate_recursive;	1786	$self->activate_recursive;
1449	$self->enter_map ($map, $x, $y);	1787	$self->enter_map ($map, $x, $y);
1450	}	1788	}
1451		1789
		1790	cf::player->attach (
		1791	on_logout => sub {
		1792	my ($pl) = @_;
		1793
		1794	# abort map switching before logout
		1795	if ($pl->ob->{_link_pos}) {
		1796	cf::sync_job {
		1797	$pl->ob->leave_link
		1798	};
		1799	}
		1800	},
		1801	on_login => sub {
		1802	my ($pl) = @_;
		1803
		1804	# try to abort aborted map switching on player login :)
		1805	# should happen only on crashes
		1806	if ($pl->ob->{_link_pos}) {
		1807	$pl->ob->enter_link;
		1808	(async {
		1809	# we need this sleep as the login has a concurrent enter_exit running
		1810	# and this sleep increases chances of the player not ending up in scorn
		1811	$pl->ob->reply (undef,
		1812	"There was an internal problem at your last logout, "
		1813	. "the server will try to bring you to your intended destination in a second.",
		1814	cf::NDI_RED);
		1815	Coro::Timer::sleep 1;
		1816	$pl->ob->leave_link;
		1817	})->prio (2);
		1818	}
		1819	},
		1820	);
		1821
1452	=item $player_object->goto_map ($path, $x, $y)	1822	=item $player_object->goto ($path, $x, $y)
1453		1823
1454	=cut	1824	=cut
1455		1825
1456	sub cf::object::player::goto_map {	1826	sub cf::object::player::goto {
1457	my ($self, $path, $x, $y) = @_;	1827	my ($self, $path, $x, $y) = @_;
1458		1828
1459	$self->enter_link;	1829	$self->enter_link;
1460		1830
1461	(Coro::async {	1831	(async {
1462	$path = new cf::path $path;	1832	my $map = eval {
1463
1464	my $map = cf::map::find_map $path->as_string;	1833	my $map = cf::map::find $path;
1465	$map = $map->customise_for ($self) if $map;	1834	$map = $map->customise_for ($self) if $map;
1466		1835	$map
1467	# warn "entering ", $map->path, " at ($x, $y)\n"	1836	} or
1468	# if $map;
1469
1470	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1837	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1471		1838
1472	$self->leave_link ($map, $x, $y);	1839	$self->leave_link ($map, $x, $y);
1473	})->prio (1);	1840	})->prio (1);
1474	}	1841	}
1475		1842
…		…
1479		1846
1480	sub parse_random_map_params {	1847	sub parse_random_map_params {
1481	my ($spec) = @_;	1848	my ($spec) = @_;
1482		1849
1483	my $rmp = { # defaults	1850	my $rmp = { # defaults
1484	xsize => 10,	1851	xsize => (cf::rndm 15, 40),
1485	ysize => 10,	1852	ysize => (cf::rndm 15, 40),
		1853	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1854	#layout => string,
1486	};	1855	};
1487		1856
1488	for (split /\n/, $spec) {	1857	for (split /\n/, $spec) {
1489	my ($k, $v) = split /\s+/, $_, 2;	1858	my ($k, $v) = split /\s+/, $_, 2;
1490		1859
…		…
1494	$rmp	1863	$rmp
1495	}	1864	}
1496		1865
1497	sub prepare_random_map {	1866	sub prepare_random_map {
1498	my ($exit) = @_;	1867	my ($exit) = @_;
		1868
		1869	my $guard = cf::lock_acquire "exit_prepare:$exit";
1499		1870
1500	# all this does is basically replace the /! path by	1871	# all this does is basically replace the /! path by
1501	# a new random map path (?random/...) with a seed	1872	# a new random map path (?random/...) with a seed
1502	# that depends on the exit object	1873	# that depends on the exit object
1503		1874
1504	my $rmp = parse_random_map_params $exit->msg;	1875	my $rmp = parse_random_map_params $exit->msg;
1505		1876
1506	if ($exit->map) {	1877	if ($exit->map) {
1507	$rmp->{region} = $exit->map->region_name;	1878	$rmp->{region} = $exit->region->name;
1508	$rmp->{origin_map} = $exit->map->path;	1879	$rmp->{origin_map} = $exit->map->path;
1509	$rmp->{origin_x} = $exit->x;	1880	$rmp->{origin_x} = $exit->x;
1510	$rmp->{origin_y} = $exit->y;	1881	$rmp->{origin_y} = $exit->y;
1511	}	1882	}
1512		1883
1513	$rmp->{random_seed} ||= $exit->random_seed;	1884	$rmp->{random_seed} ||= $exit->random_seed;
1514		1885
1515	my $data = cf::to_json $rmp;	1886	my $data = cf::to_json $rmp;
1516	my $md5 = Digest::MD5::md5_hex $data;	1887	my $md5 = Digest::MD5::md5_hex $data;
		1888	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1517		1889
1518	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1519	aio_write $fh, 0, (length $data), $data, 0;	1891	aio_write $fh, 0, (length $data), $data, 0;
		1892	undef $fh;
		1893	aio_rename "$meta~", $meta;
1520		1894
1521	$exit->slaying ("?random/$md5");	1895	$exit->slaying ("?random/$md5");
1522	$exit->msg (undef);	1896	$exit->msg (undef);
1523	}	1897	}
1524	}	1898	}
…		…
1526	sub cf::object::player::enter_exit {	1900	sub cf::object::player::enter_exit {
1527	my ($self, $exit) = @_;	1901	my ($self, $exit) = @_;
1528		1902
1529	return unless $self->type == cf::PLAYER;	1903	return unless $self->type == cf::PLAYER;
1530		1904
		1905	if ($exit->slaying eq "/!") {
		1906	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1907	cf::sync_job { prepare_random_map $exit };
		1908	}
		1909
		1910	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1911	my $hp = $exit->stats->hp;
		1912	my $sp = $exit->stats->sp;
		1913
1531	$self->enter_link;	1914	$self->enter_link;
1532		1915
1533	(Coro::async {	1916	(async {
		1917	$self->deactivate_recursive; # just to be sure
1534	unless (eval {	1918	unless (eval {
1535		1919	$self->goto ($slaying, $hp, $sp);
1536	prepare_random_map $exit
1537	if $exit->slaying eq "/!";
1538
1539	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1540	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1541		1920
1542	1;	1921	1;
1543	}) {	1922	}) {
1544	$self->message ("Something went wrong deep within the crossfire server. "	1923	$self->message ("Something went wrong deep within the crossfire server. "
1545	. "I'll try to bring you back to the map you were before. "	1924	. "I'll try to bring you back to the map you were before. "
1546	. "Please report this to the dungeon master",	1925	. "Please report this to the dungeon master!",
1547	cf::NDI_UNIQUE | cf::NDI_RED);	1926	cf::NDI_UNIQUE | cf::NDI_RED);
1548		1927
1549	warn "ERROR in enter_exit: $@";	1928	warn "ERROR in enter_exit: $@";
1550	$self->leave_link;	1929	$self->leave_link;
1551	}	1930	}
…		…
1602	on_reply => sub {	1981	on_reply => sub {
1603	my ($ns, $msg) = @_;	1982	my ($ns, $msg) = @_;
1604		1983
1605	# this weird shuffling is so that direct followup queries	1984	# this weird shuffling is so that direct followup queries
1606	# get handled first	1985	# get handled first
1607	my $queue = delete $ns->{query_queue};	1986	my $queue = delete $ns->{query_queue}
		1987	or return; # be conservative, not sure how that can happen, but we saw a crash here
1608		1988
1609	(shift @$queue)->[1]->($msg);	1989	(shift @$queue)->[1]->($msg);
1610		1990
1611	push @{ $ns->{query_queue} }, @$queue;	1991	push @{ $ns->{query_queue} }, @$queue;
1612		1992
…		…
1618	}	1998	}
1619	}	1999	}
1620	},	2000	},
1621	);	2001	);
1622		2002
1623	=item $client->coro (\&cb)	2003	=item $client->async (\&cb)
1624		2004
1625	Create a new coroutine, running the specified callback. The coroutine will	2005	Create a new coroutine, running the specified callback. The coroutine will
1626	be automatically cancelled when the client gets destroyed (e.g. on logout,	2006	be automatically cancelled when the client gets destroyed (e.g. on logout,
1627	or loss of connection).	2007	or loss of connection).
1628		2008
1629	=cut	2009	=cut
1630		2010
1631	sub cf::client::coro {	2011	sub cf::client::async {
1632	my ($self, $cb) = @_;	2012	my ($self, $cb) = @_;
1633		2013
1634	my $coro; $coro = async {	2014	my $coro = &Coro::async ($cb);
1635	eval {
1636	$cb->();
1637	};
1638	warn $@ if $@;
1639	};
1640		2015
1641	$coro->on_destroy (sub {	2016	$coro->on_destroy (sub {
1642	delete $self->{_coro}{$coro+0};	2017	delete $self->{_coro}{$coro+0};
1643	});	2018	});
1644		2019
…		…
1816		2191
1817	{	2192	{
1818	my $path = cf::localdir . "/database.pst";	2193	my $path = cf::localdir . "/database.pst";
1819		2194
1820	sub db_load() {	2195	sub db_load() {
1821	warn "loading database $path\n";#d# remove later
1822	$DB = stat $path ? Storable::retrieve $path : { };	2196	$DB = stat $path ? Storable::retrieve $path : { };
1823	}	2197	}
1824		2198
1825	my $pid;	2199	my $pid;
1826		2200
1827	sub db_save() {	2201	sub db_save() {
1828	warn "saving database $path\n";#d# remove later
1829	waitpid $pid, 0 if $pid;	2202	waitpid $pid, 0 if $pid;
1830	if (0 == ($pid = fork)) {	2203	if (0 == ($pid = fork)) {
1831	$DB->{_meta}{version} = 1;	2204	$DB->{_meta}{version} = 1;
1832	Storable::nstore $DB, "$path~";	2205	Storable::nstore $DB, "$path~";
1833	rename "$path~", $path;	2206	rename "$path~", $path;
…		…
1840	sub db_sync() {	2213	sub db_sync() {
1841	db_save if $dirty;	2214	db_save if $dirty;
1842	undef $dirty;	2215	undef $dirty;
1843	}	2216	}
1844		2217
1845	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2218	my $idle = Event->idle (
1846	db_sync;	2219	reentrant => 0,
		2220	min => 10,
		2221	max => 20,
		2222	repeat => 0,
		2223	data => WF_AUTOCANCEL,
		2224	cb => \&db_sync,
1847	});	2225	);
1848		2226
1849	sub db_dirty() {	2227	sub db_dirty() {
1850	$dirty = 1;	2228	$dirty = 1;
1851	$idle->start;	2229	$idle->start;
1852	}	2230	}
…		…
1881	open my $fh, "<:utf8", cf::confdir . "/config"	2259	open my $fh, "<:utf8", cf::confdir . "/config"
1882	or return;	2260	or return;
1883		2261
1884	local $/;	2262	local $/;
1885	*CFG = YAML::Syck::Load <$fh>;	2263	*CFG = YAML::Syck::Load <$fh>;
		2264
		2265	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2266
		2267	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2268	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2269
		2270	if (exists $CFG{mlockall}) {
		2271	eval {
		2272	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2273	and die "WARNING: m(un)lockall failed: $!\n";
		2274	};
		2275	warn $@ if $@;
		2276	}
1886	}	2277	}
1887		2278
1888	sub main {	2279	sub main {
1889	# we must not ever block the main coroutine	2280	# we must not ever block the main coroutine
1890	local $Coro::idle = sub {	2281	local $Coro::idle = sub {
1891	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1892	(Coro::unblock_sub {	2283	(async {
1893	Event::one_event;	2284	Event::one_event;
1894	})->();	2285	})->prio (Coro::PRIO_MAX);
1895	};	2286	};
1896		2287
1897	cfg_load;	2288	cfg_load;
1898	db_load;	2289	db_load;
1899	load_extensions;	2290	load_extensions;
		2291
		2292	$TICK_WATCHER->start;
1900	Event::loop;	2293	Event::loop;
1901	}	2294	}
1902		2295
1903	#############################################################################	2296	#############################################################################
1904	# initialisation	2297	# initialisation and cleanup
		2298
		2299	# install some emergency cleanup handlers
		2300	BEGIN {
		2301	for my $signal (qw(INT HUP TERM)) {
		2302	Event->signal (
		2303	reentrant => 0,
		2304	data => WF_AUTOCANCEL,
		2305	signal => $signal,
		2306	prio => 0,
		2307	cb => sub {
		2308	cf::cleanup "SIG$signal";
		2309	},
		2310	);
		2311	}
		2312	}
		2313
		2314	sub emergency_save() {
		2315	my $freeze_guard = cf::freeze_mainloop;
		2316
		2317	warn "enter emergency perl save\n";
		2318
		2319	cf::sync_job {
		2320	# use a peculiar iteration method to avoid tripping on perl
		2321	# refcount bugs in for. also avoids problems with players
		2322	# and maps saved/destroyed asynchronously.
		2323	warn "begin emergency player save\n";
		2324	for my $login (keys %cf::PLAYER) {
		2325	my $pl = $cf::PLAYER{$login} or next;
		2326	$pl->valid or next;
		2327	$pl->save;
		2328	}
		2329	warn "end emergency player save\n";
		2330
		2331	warn "begin emergency map save\n";
		2332	for my $path (keys %cf::MAP) {
		2333	my $map = $cf::MAP{$path} or next;
		2334	$map->valid or next;
		2335	$map->save;
		2336	}
		2337	warn "end emergency map save\n";
		2338	};
		2339
		2340	warn "leave emergency perl save\n";
		2341	}
1905		2342
1906	sub reload() {	2343	sub reload() {
1907	# can/must only be called in main	2344	# can/must only be called in main
1908	if ($Coro::current != $Coro::main) {	2345	if ($Coro::current != $Coro::main) {
1909	warn "can only reload from main coroutine\n";	2346	warn "can only reload from main coroutine";
1910	return;	2347	return;
1911	}	2348	}
1912		2349
1913	warn "reloading...";	2350	warn "reloading...";
1914		2351
1915	local $FREEZE = 1;	2352	warn "cancelling server ticker";
		2353	$TICK_WATCHER->cancel;
		2354
1916	cf::emergency_save;	2355	cf::emergency_save;
1917		2356
1918	eval {	2357	eval {
1919	# if anything goes wrong in here, we should simply crash as we already saved	2358	# if anything goes wrong in here, we should simply crash as we already saved
1920		2359
1921	# cancel all watchers	2360	warn "syncing database to disk";
		2361	cf::db_sync;
		2362
		2363	warn "cancelling all WF_AUTOCANCEL watchers";
1922	for (Event::all_watchers) {	2364	for (Event::all_watchers) {
1923	$_->cancel if $_->data & WF_AUTOCANCEL;	2365	$_->cancel if $_->data & WF_AUTOCANCEL;
1924	}	2366	}
1925		2367
		2368	warn "flushing outstanding aio requests";
		2369	for (;;) {
		2370	IO::AIO::flush;
		2371	Coro::cede;
		2372	last unless IO::AIO::nreqs;
		2373	warn "iterate...";
		2374	}
		2375
1926	# cancel all extension coros	2376	warn "cancelling all extension coros";
1927	$_->cancel for values %EXT_CORO;	2377	$_->cancel for values %EXT_CORO;
1928	%EXT_CORO = ();	2378	%EXT_CORO = ();
1929		2379
1930	# unload all extensions	2380	warn "removing commands";
1931	for (@exts) {	2381	%COMMAND = ();
		2382
		2383	warn "removing ext commands";
		2384	%EXTCMD = ();
		2385
		2386	warn "unloading/nuking all extensions";
		2387	for my $pkg (@EXTS) {
1932	warn "unloading <$_>";	2388	warn "... unloading $pkg";
1933	unload_extension $_;	2389
		2390	if (my $cb = $pkg->can ("unload")) {
		2391	eval {
		2392	$cb->($pkg);
		2393	1
		2394	} or warn "$pkg unloaded, but with errors: $@";
1934	}	2395	}
1935		2396
		2397	warn "... nuking $pkg";
		2398	Symbol::delete_package $pkg;
		2399	}
		2400
1936	# unload all modules loaded from $LIBDIR	2401	warn "unloading all perl modules loaded from $LIBDIR";
1937	while (my ($k, $v) = each %INC) {	2402	while (my ($k, $v) = each %INC) {
1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2403	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1939		2404
1940	warn "removing <$k>";	2405	warn "... unloading $k";
1941	delete $INC{$k};	2406	delete $INC{$k};
1942		2407
1943	$k =~ s/\.pm$//;	2408	$k =~ s/\.pm$//;
1944	$k =~ s/\//::/g;	2409	$k =~ s/\//::/g;
1945		2410
…		…
1948	}	2413	}
1949		2414
1950	Symbol::delete_package $k;	2415	Symbol::delete_package $k;
1951	}	2416	}
1952		2417
1953	# sync database to disk
1954	cf::db_sync;
1955	IO::AIO::flush;
1956
1957	# get rid of safe::, as good as possible	2418	warn "getting rid of safe::, as good as possible";
1958	Symbol::delete_package "safe::$_"	2419	Symbol::delete_package "safe::$_"
1959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2420	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1960		2421
1961	# remove register_script_function callbacks
1962	# TODO
1963
1964	# unload cf.pm "a bit"	2422	warn "unloading cf.pm \"a bit\"";
1965	delete $INC{"cf.pm"};	2423	delete $INC{"cf.pm"};
1966		2424
1967	# don't, removes xs symbols, too,	2425	# don't, removes xs symbols, too,
1968	# and global variables created in xs	2426	# and global variables created in xs
1969	#Symbol::delete_package __PACKAGE__;	2427	#Symbol::delete_package __PACKAGE__;
1970		2428
1971	# reload cf.pm	2429	warn "unload completed, starting to reload now";
		2430
1972	warn "reloading cf.pm";	2431	warn "reloading cf.pm";
1973	require cf;	2432	require cf;
1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2433	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1975		2434
1976	# load config and database again	2435	warn "loading config and database again";
1977	cf::cfg_load;	2436	cf::cfg_load;
1978	cf::db_load;	2437	cf::db_load;
1979		2438
1980	# load extensions
1981	warn "load extensions";	2439	warn "loading extensions";
1982	cf::load_extensions;	2440	cf::load_extensions;
1983		2441
1984	# reattach attachments to objects	2442	warn "reattaching attachments to objects/players";
1985	warn "reattach";
1986	_global_reattach;	2443	_global_reattach;
		2444	warn "reattaching attachments to maps";
		2445	reattach $_ for values %MAP;
		2446
		2447	warn "restarting server ticker";
		2448
		2449	$TICK_WATCHER->start;
1987	};	2450	};
1988		2451
1989	if ($@) {	2452	if ($@) {
1990	warn $@;	2453	warn $@;
1991	warn "error while reloading, exiting.";	2454	warn "error while reloading, exiting.";
1992	exit 1;	2455	exit 1;
1993	}	2456	}
1994		2457
1995	warn "reloaded successfully";	2458	warn "reloaded";
1996	};	2459	};
1997		2460
1998	#############################################################################	2461	our $RELOAD_WATCHER; # used only during reload
1999
2000	unless ($LINK_MAP) {
2001	$LINK_MAP = cf::map::new;
2002
2003	$LINK_MAP->width (41);
2004	$LINK_MAP->height (41);
2005	$LINK_MAP->alloc;
2006	$LINK_MAP->path ("{link}");
2007	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2008	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2009
2010	# dirty hack because... archetypes are not yet loaded
2011	Event->timer (
2012	after => 2,
2013	cb => sub {
2014	$_[0]->w->cancel;
2015
2016	# provide some exits "home"
2017	my $exit = cf::object::new "exit";
2018
2019	$exit->slaying ($EMERGENCY_POSITION->[0]);
2020	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2021	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2022
2023	$LINK_MAP->insert ($exit->clone, 19, 19);
2024	$LINK_MAP->insert ($exit->clone, 19, 20);
2025	$LINK_MAP->insert ($exit->clone, 19, 21);
2026	$LINK_MAP->insert ($exit->clone, 20, 19);
2027	$LINK_MAP->insert ($exit->clone, 20, 21);
2028	$LINK_MAP->insert ($exit->clone, 21, 19);
2029	$LINK_MAP->insert ($exit->clone, 21, 20);
2030	$LINK_MAP->insert ($exit->clone, 21, 21);
2031
2032	$exit->destroy;
2033	});
2034
2035	$LINK_MAP->{deny_save} = 1;
2036	$LINK_MAP->{deny_reset} = 1;
2037
2038	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2039	}
2040
2041	register "<global>", __PACKAGE__;
2042		2462
2043	register_command "reload" => sub {	2463	register_command "reload" => sub {
2044	my ($who, $arg) = @_;	2464	my ($who, $arg) = @_;
2045		2465
2046	if ($who->flag (FLAG_WIZ)) {	2466	if ($who->flag (FLAG_WIZ)) {
2047	$who->message ("start of reload.");	2467	$who->message ("reloading server.");
		2468
		2469	# doing reload synchronously and two reloads happen back-to-back,
		2470	# coro crashes during coro_state_free->destroy here.
		2471
		2472	$RELOAD_WATCHER ||= Event->timer (
		2473	reentrant => 0,
		2474	after => 0,
		2475	data => WF_AUTOCANCEL,
		2476	cb => sub {
2048	reload;	2477	reload;
2049	$who->message ("end of reload.");	2478	undef $RELOAD_WATCHER;
		2479	},
		2480	);
2050	}	2481	}
2051	};	2482	};
2052		2483
2053	unshift @INC, $LIBDIR;	2484	unshift @INC, $LIBDIR;
		2485
		2486	my $bug_warning = 0;
2054		2487
2055	$TICK_WATCHER = Event->timer (	2488	$TICK_WATCHER = Event->timer (
2056	reentrant => 0,	2489	reentrant => 0,
		2490	parked => 1,
2057	prio => 0,	2491	prio => 0,
2058	at => $NEXT_TICK || $TICK,	2492	at => $NEXT_TICK || $TICK,
2059	data => WF_AUTOCANCEL,	2493	data => WF_AUTOCANCEL,
2060	cb => sub {	2494	cb => sub {
2061	unless ($FREEZE) {	2495	if ($Coro::current != $Coro::main) {
		2496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2497	unless ++$bug_warning > 10;
		2498	return;
		2499	}
		2500
		2501	$NOW = Event::time;
		2502
2062	cf::server_tick; # one server iteration	2503	cf::server_tick; # one server iteration
2063	$RUNTIME += $TICK;	2504	$RUNTIME += $TICK;
2064	}
2065
2066	$NEXT_TICK += $TICK;	2505	$NEXT_TICK += $TICK;
		2506
		2507	$WAIT_FOR_TICK->broadcast;
		2508	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2509
		2510	Event::sweep;
		2511	Coro::cede_notself;
		2512
		2513	# my $AFTER = Event::time;
		2514	# warn $AFTER - $NOW;#d#
2067		2515
2068	# if we are delayed by four ticks or more, skip them all	2516	# if we are delayed by four ticks or more, skip them all
2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2517	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2070		2518
2071	$TICK_WATCHER->at ($NEXT_TICK);	2519	$TICK_WATCHER->at ($NEXT_TICK);
2072	$TICK_WATCHER->start;	2520	$TICK_WATCHER->start;
2073	},	2521	},
2074	);	2522	);
2075		2523
2076	IO::AIO::max_poll_time $TICK * 0.2;	2524	IO::AIO::max_poll_time $TICK * 0.1;
2077		2525
2078	Event->io (	2526	undef $Coro::AIO::WATCHER;
		2527	$AIO_POLL_WATCHER = Event->io (
		2528	reentrant => 0,
2079	fd => IO::AIO::poll_fileno,	2529	fd => IO::AIO::poll_fileno,
2080	poll => 'r',	2530	poll => 'r',
2081	prio => 5,	2531	prio => 6,
2082	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2083	cb => \&IO::AIO::poll_cb,	2533	cb => \&IO::AIO::poll_cb,
2084	);	2534	);
2085		2535
2086	Event->timer (	2536	$WRITE_RUNTIME_WATCHER = Event->timer (
		2537	reentrant => 0,
2087	data => WF_AUTOCANCEL,	2538	data => WF_AUTOCANCEL,
2088	after => 0,	2539	after => 1,
2089	interval => 10,	2540	interval => 10,
2090	cb => sub {	2541	prio => 6, # keep it lowest so it acts like a watchdog
2091	(Coro::unblock_sub {	2542	cb => Coro::unblock_sub {
2092	write_runtime	2543	write_runtime
2093	or warn "ERROR: unable to write runtime file: $!";	2544	or warn "ERROR: unable to write runtime file: $!";
2094	})->();
2095	},	2545	},
2096	);	2546	);
2097		2547
		2548	END { cf::emergency_save }
		2549
2098	1	2550	1
2099		2551

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