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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.112 by root, Mon Jan 1 13:31:47 2007 UTC vs.
Revision 1.186 by root, Sat Jan 20 01:12:39 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 3.4 ();
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 { }, $class;
293
294	if ($path =~ s{^\?random/}{}) {
295	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
296	$self->{random} = cf::from_json $data;
297	} else {
298	if ($path =~ s{^~([^/]+)?}{}) {
299	$self->{user_rel} = 1;
300
301	if (defined $1) {
302	$self->{user} = $1;
303	} elsif ($base =~ m{^~([^/]+)/}) {
304	$self->{user} = $1;
305	} else {
306	warn "cannot resolve user-relative path without user <$path,$base>\n";
307	}
308	} elsif ($path =~ /^\//) {
309	# already absolute
310	} else {
311	$base =~ s{[^/]+/?$}{};
312	return $class->new ("$base/$path");
313	}
314
315	for ($path) {
316	redo if s{/\.?/}{/};
317	redo if s{/[^/]+/\.\./}{/};
318	}
319	}
320
321	$self->{path} = $path;
322
323	$self
324	}
325
326	# the name / primary key / in-game path
327	sub as_string {
328	my ($self) = @_;
329
330	$self->{user_rel} ? "~$self->{user}$self->{path}"
331	: $self->{random} ? "?random/$self->{path}"
332	: $self->{path}
333	}
334
335	# the displayed name, this is a one way mapping
336	sub visible_name {
337	my ($self) = @_;
338
339	# if (my $rmp = $self->{random}) {
340	# # todo: be more intelligent about this
341	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
342	# } else {
343	$self->as_string
344	# }
345	}
346
347	# escape the /'s in the path
348	sub _escaped_path {
349	# ∕ is U+2215
350	(my $path = $_[0]{path}) =~ s/\//∕/g;
351	$path
352	}
353
354	# the original (read-only) location
355	sub load_path {
356	my ($self) = @_;
357
358	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
359	}
360
361	# the temporary/swap location
362	sub save_path {
363	my ($self) = @_;
364
365	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
366	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
367	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
368	}
369
370	# the unique path, might be eq to save_path
371	sub uniq_path {
372	my ($self) = @_;
373
374	$self->{user_rel} || $self->{random}
375	? undef
376	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
377	}
378
379	# return random map parameters, or undef
380	sub random_map_params {
381	my ($self) = @_;
382
383	$self->{random}
384	}
385
386	# this is somewhat ugly, but style maps do need special treatment
387	sub is_style_map {
388	$_[0]{path} =~ m{^/styles/}
389	}
390
391	package cf;
392		376
393	#############################################################################	377	#############################################################################
394		378
395	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
396		380
…		…
522	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
523	our @CB_MAP = ();	507	our @CB_MAP = ();
524		508
525	my %attachment;	509	my %attachment;
526		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
527	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
528	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
529		519
530	use sort 'stable';	520	use sort 'stable';
531		521
…		…
702	# object support	692	# object support
703		693
704	sub reattach {	694	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
707		699
708	my $registry = $obj->registry;	700	my $registry = $obj->registry;
709		701
710	@$registry = ();	702	@$registry = ();
711		703
…		…
804	or return;	796	or return;
805		797
806	unless (aio_stat "$filename.pst") {	798	unless (aio_stat "$filename.pst") {
807	(aio_load "$filename.pst", $av) >= 0	799	(aio_load "$filename.pst", $av) >= 0
808	or return;	800	or return;
809	$av = eval { (Storable::thaw <$av>)->{objs} };	801	$av = eval { (Storable::thaw $av)->{objs} };
810	}	802	}
811		803
		804	warn sprintf "loading %s (%d)\n",
		805	$filename, length $data, scalar @{$av || []};#d#
812	return ($data, $av);	806	return ($data, $av);
813	}	807	}
814		808
815	#############################################################################	809	#############################################################################
816	# command handling &c	810	# command handling &c
…		…
841	=cut	835	=cut
842		836
843	sub register_extcmd {	837	sub register_extcmd {
844	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
845		839
846	my $caller = caller;
847	#warn "registering extcmd '$name' to '$caller'";
848
849	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
850	}	841	}
851		842
852	cf::player->attach (	843	cf::player->attach (
853	on_command => sub {	844	on_command => sub {
854	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
867		858
868	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
869		860
870	if (ref $msg) {	861	if (ref $msg) {
871	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
872	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
873	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
874	}	865	}
875	}	866	}
876	} else {	867	} else {
877	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
879		870
880	cf::override;	871	cf::override;
881	},	872	},
882	);	873	);
883		874
884	sub register {
885	my ($base, $pkg) = @_;
886
887	#TODO
888	}
889
890	sub load_extension {	875	sub load_extension {
891	my ($path) = @_;	876	my ($path) = @_;
892		877
893	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
894	my $base = $1;	879	my $base = $1;
895	my $pkg = $1;	880	my $pkg = $1;
896	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
897	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
898		883
899	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
900		885
901	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
902	or die "$path: $!";	887	or die "$path: $!";
903		888
904	my $source =	889	my $source =
905	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
906	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
907	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
908	. "\n};\n1";	893	. "\n};\n1";
909		894
910	eval $source	895	unless (eval $source) {
911	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
912	: "extension disabled.\n";	897	: "extension disabled.\n";
913		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
914	push @exts, $pkg;	899	warn $@;
915	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
916		901	exit 1;
917	# no strict 'refs';	902	}
918	# @{"$pkg\::ISA"} = ext::;	903	die $@;
919
920	register $base, $pkg;
921	}
922
923	sub unload_extension {
924	my ($pkg) = @_;
925
926	warn "removing extension $pkg\n";
927
928	# remove hooks
929	#TODO
930	# for my $idx (0 .. $#PLUGIN_EVENT) {
931	# delete $hook[$idx]{$pkg};
932	# }	904	}
933		905
934	# remove commands	906	push @EXTS, $pkg;
935	for my $name (keys %COMMAND) {
936	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
937
938	if (@cb) {
939	$COMMAND{$name} = \@cb;
940	} else {
941	delete $COMMAND{$name};
942	}
943	}
944
945	# remove extcmds
946	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
947	delete $EXTCMD{$name};
948	}
949
950	if (my $cb = $pkg->can ("unload")) {
951	eval {
952	$cb->($pkg);
953	1
954	} or warn "$pkg unloaded, but with errors: $@";
955	}
956
957	Symbol::delete_package $pkg;
958	}	907	}
959		908
960	sub load_extensions {	909	sub load_extensions {
961	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	911	next unless -r $ext;
…		…
966	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
967	}	916	}
968	}	917	}
969		918
970	#############################################################################	919	#############################################################################
971	# load/save/clean perl data associated with a map
972
973	*cf::mapsupport::on_clean = sub {
974	my ($map) = @_;
975
976	my $path = $map->tmpname;
977	defined $path or return;
978
979	unlink "$path.pst";
980	};
981
982	cf::map->attach (prio => -10000, package => cf::mapsupport::);
983
984	#############################################################################
985	# load/save perl data associated with player->ob objects
986
987	sub all_objects(@) {
988	@_, map all_objects ($_->inv), @_
989	}
990
991	# TODO: compatibility cruft, remove when no longer needed
992	cf::player->attach (
993	on_load => sub {
994	my ($pl, $path) = @_;
995
996	for my $o (all_objects $pl->ob) {
997	if (my $value = $o->get_ob_key_value ("_perl_data")) {
998	$o->set_ob_key_value ("_perl_data");
999
1000	%$o = %{ Storable::thaw pack "H*", $value };
1001	}
1002	}
1003	},
1004	);
1005
1006	#############################################################################
1007		920
1008	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1009		922
1010	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1011		924
		925	=cut
		926
		927	package cf::player;
		928
		929	use Coro::AIO;
		930
1012	=head3 cf::player	931	=head3 cf::player
1013		932
1014	=over 4	933	=over 4
1015		934
1016	=item cf::player::exists $login	935	=item cf::player::find $login
1017		936
1018	Returns true when the given account exists.	937	Returns the given player object, loading it if necessary (might block).
1019		938
1020	=cut	939	=cut
1021		940
1022	sub cf::player::exists($) {	941	sub playerdir($) {
1023	cf::player::find $_[0]	942	cf::localdir
1024	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
1025	}	1088	}
1026		1089
1027	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1028		1091
1029	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
1030		1093
1031	=cut	1094	=cut
1032		1095
1033	sub cf::player::ext_reply($$$%) {	1096	sub ext_reply($$$%) {
1034	my ($self, $id, %msg) = @_;	1097	my ($self, $id, %msg) = @_;
1035		1098
1036	$msg{msgid} = $id;	1099	$msg{msgid} = $id;
1037		1100
1038	$self->send ("ext " . to_json \%msg);	1101	$self->send ("ext " . cf::to_json \%msg);
1039	}	1102	}
		1103
		1104	package cf;
1040		1105
1041	=back	1106	=back
1042		1107
1043		1108
1044	=head3 cf::map	1109	=head3 cf::map
…		…
1050	package cf::map;	1115	package cf::map;
1051		1116
1052	use Fcntl;	1117	use Fcntl;
1053	use Coro::AIO;	1118	use Coro::AIO;
1054		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1055	our $MAX_RESET = 7200;	1124	our $MAX_RESET = 3600;
1056	our $DEFAULT_RESET = 3600;	1125	our $DEFAULT_RESET = 3000;
1057		1126
1058	sub generate_random_map {	1127	sub generate_random_map {
1059	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1060
1061	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1062	cf::map::_create_random_map	1130	$self->_create_random_map (
1063	$path,
1064	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1065	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1066	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1067	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1068	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1069	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1070	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1071	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1072	$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},
1073	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1074	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	sub register {
		1146	my (undef, $regex) = @_;
		1147	my $pkg = caller;
		1148
		1149	no strict;
		1150	push @{"$pkg\::ISA"}, __PACKAGE__;
		1151
		1152	$EXT_MAP{$pkg} = qr<$regex>;
		1153	}
		1154
		1155	# also paths starting with '/'
		1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};
		1157
		1158	sub thawer_merge {
		1159	my ($self, $merge) = @_;
		1160
		1161	# we have to keep some variables in memory intact
		1162	local $self->{path};
		1163	local $self->{load_path};
		1164	local $self->{deny_save};
		1165	local $self->{deny_reset};
		1166
		1167	$self->SUPER::thawer_merge ($merge);
		1168	}
		1169
		1170	sub normalise {
		1171	my ($path, $base) = @_;
		1172
		1173	# map plan:
		1174	#
		1175	# /! non-realised random map exit (special hack!)
		1176	# {... are special paths that are not being touched
		1177	# ?xxx/... are special absolute paths
		1178	# ?random/... random maps
		1179	# /... normal maps
		1180	# ~user/... per-player map of a specific user
		1181
		1182	$path =~ s/$PATH_SEP/\//go;
		1183
		1184	# treat it as relative path if it starts with
		1185	# something that looks reasonable
		1186	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1187	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1188
		1189	$base =~ s{[^/]+/?$}{};
		1190	$path = "$base/$path";
		1191	}
		1192
		1193	for ($path) {
		1194	redo if s{//}{/};
		1195	redo if s{/\.?/}{/};
		1196	redo if s{/[^/]+/\.\./}{/};
		1197	}
		1198
		1199	$path
		1200	}
		1201
		1202	sub new_from_path {
		1203	my (undef, $path, $base) = @_;
		1204
		1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1206
		1207	$path = normalise $path, $base;
		1208
		1209	for my $pkg (keys %EXT_MAP) {
		1210	if ($path =~ $EXT_MAP{$pkg}) {
		1211	my $self = bless cf::map::new, $pkg;
		1212	$self->{path} = $path; $self->path ($path);
		1213	$self->init; # pass $1 etc.
		1214	return $self;
		1215	}
		1216	}
		1217
		1218	Carp::carp "unable to resolve path '$path'.";
		1219	()
		1220	}
		1221
		1222	sub init {
		1223	my ($self) = @_;
		1224
		1225	$self
		1226	}
		1227
		1228	sub as_string {
		1229	my ($self) = @_;
		1230
		1231	"$self->{path}"
		1232	}
		1233
		1234	# the displayed name, this is a one way mapping
		1235	sub visible_name {
		1236	&as_string
		1237	}
		1238
		1239	# the original (read-only) location
		1240	sub load_path {
		1241	my ($self) = @_;
		1242
		1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1244	}
		1245
		1246	# the temporary/swap location
		1247	sub save_path {
		1248	my ($self) = @_;
		1249
		1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1252	}
		1253
		1254	# the unique path, undef == no special unique path
		1255	sub uniq_path {
		1256	my ($self) = @_;
		1257
		1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1075	}	1260	}
1076		1261
1077	# and all this just because we cannot iterate over	1262	# and all this just because we cannot iterate over
1078	# all maps in C++...	1263	# all maps in C++...
1079	sub change_all_map_light {	1264	sub change_all_map_light {
1080	my ($change) = @_;	1265	my ($change) = @_;
1081		1266
1082	$_->change_map_light ($change) for values %cf::MAP;	1267	$_->change_map_light ($change)
		1268	for grep $_->outdoor, values %cf::MAP;
1083	}	1269	}
1084		1270
		1271	sub unlink_save {
		1272	my ($self) = @_;
		1273
		1274	utf8::encode (my $save = $self->save_path);
		1275	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1276	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1277	}
		1278
1085	sub try_load_header($) {	1279	sub load_header_from($) {
1086	my ($path) = @_;	1280	my ($self, $path) = @_;
1087		1281
1088	utf8::encode $path;	1282	utf8::encode $path;
1089	aio_open $path, O_RDONLY, 0	1283	aio_open $path, O_RDONLY, 0
1090	or return;	1284	or return;
1091		1285
1092	my $map = cf::map::new	1286	$self->_load_header ($path)
1093	or return;	1287	or return;
1094		1288
1095	$map->load_header ($path)	1289	$self->{load_path} = $path;
		1290
		1291	1
		1292	}
		1293
		1294	sub load_orig {
		1295	my ($self) = @_;
		1296
		1297	$self->load_header_from ($self->load_path)
		1298	}
		1299
		1300	sub load_temp {
		1301	my ($self) = @_;
		1302
		1303	$self->load_header_from ($self->save_path)
		1304	}
		1305
		1306	sub load_header {
		1307	my ($self) = @_;
		1308
		1309	if ($self->load_temp) {
		1310	$self->last_access ((delete $self->{last_access})
		1311	|| $cf::RUNTIME); #d#
		1312	# safety
		1313	$self->{instantiate_time} = $cf::RUNTIME
		1314	if $self->{instantiate_time} > $cf::RUNTIME;
		1315	} else {
		1316	$self->load_orig
1096	or return;	1317	or return;
1097		1318
1098	$map->{load_path} = $path;	1319	$self->{load_original} = 1;
		1320	$self->{instantiate_time} = $cf::RUNTIME;
		1321	$self->last_access ($cf::RUNTIME);
		1322	$self->instantiate;
		1323	}
1099		1324
1100	$map	1325	1
1101	}	1326	}
1102		1327
		1328	sub find;
1103	sub find_map {	1329	sub find {
1104	my ($path, $origin) = @_;	1330	my ($path, $origin) = @_;
1105		1331
1106	#warn "find_map<$path,$origin>\n";#d#
1107
1108	$path = new cf::path $path, $origin && $origin->path;	1332	$path = normalise $path, $origin && $origin->path;
1109	my $key = $path->as_string;
1110		1333
		1334	cf::lock_wait "map_find:$path";
		1335
1111	$cf::MAP{$key} || do {	1336	$cf::MAP{$path} || do {
1112	# do it the slow way	1337	my $guard = cf::lock_acquire "map_find:$path";
1113	my $map = try_load_header $path->save_path;	1338	my $map = new_from_path cf::map $path
1114
1115	if ($map) {
1116	# safety
1117	$map->{instantiate_time} = $cf::RUNTIME
1118	if $map->{instantiate_time} > $cf::RUNTIME;
1119	} else {
1120	if (my $rmp = $path->random_map_params) {
1121	$map = generate_random_map $key, $rmp;
1122	} else {
1123	$map = try_load_header $path->load_path;
1124	}
1125
1126	$map or return;	1339	or return;
1127		1340
1128	$map->{load_original} = 1;
1129	$map->{instantiate_time} = $cf::RUNTIME;
1130	$map->instantiate;
1131
1132	# per-player maps become, after loading, normal maps
1133	$map->per_player (0) if $path->{user_rel};
1134	}
1135
1136	$map->path ($key);
1137	$map->{path} = $path;
1138	$map->last_access ($cf::RUNTIME);	1341	$map->{last_save} = $cf::RUNTIME;
		1342
		1343	$map->load_header
		1344	or return;
1139		1345
1140	if ($map->should_reset) {	1346	if ($map->should_reset) {
		1347	# doing this can freeze the server in a sync job, obviously
		1348	#$cf::WAIT_FOR_TICK->wait;
1141	$map->reset;	1349	$map->reset;
		1350	undef $guard;
1142	$map = find_map $path;	1351	$map = find $path
		1352	or return;
1143	}	1353	}
1144		1354
1145	$cf::MAP{$key} = $map	1355	$cf::MAP{$path} = $map
1146	}	1356	}
1147	}	1357	}
1148		1358
1149	sub load {	1359	sub load {
1150	my ($self) = @_;	1360	my ($self) = @_;
1151		1361
		1362	my $path = $self->{path};
		1363	my $guard = cf::lock_acquire "map_load:$path";
		1364
1152	return if $self->in_memory != cf::MAP_SWAPPED;	1365	return if $self->in_memory != cf::MAP_SWAPPED;
1153		1366
1154	$self->in_memory (cf::MAP_LOADING);	1367	$self->in_memory (cf::MAP_LOADING);
1155		1368
1156	my $path = $self->{path};
1157
1158	$self->alloc;	1369	$self->alloc;
1159	$self->load_objects ($self->{load_path}, 1)	1370	$self->_load_objects ($self->{load_path}, 1)
1160	or return;	1371	or return;
1161		1372
1162	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1163	if delete $self->{load_original};	1374	if delete $self->{load_original};
1164		1375
1165	if (my $uniq = $path->uniq_path) {	1376	if (my $uniq = $self->uniq_path) {
1166	utf8::encode $uniq;	1377	utf8::encode $uniq;
1167	if (aio_open $uniq, O_RDONLY, 0) {	1378	if (aio_open $uniq, O_RDONLY, 0) {
1168	$self->clear_unique_items;	1379	$self->clear_unique_items;
1169	$self->load_objects ($uniq, 0);	1380	$self->_load_objects ($uniq, 0);
1170	}	1381	}
1171	}	1382	}
		1383
		1384	Coro::cede;
1172		1385
1173	# now do the right thing for maps	1386	# now do the right thing for maps
1174	$self->link_multipart_objects;	1387	$self->link_multipart_objects;
1175		1388
1176	if ($self->{path}->is_style_map) {	1389	unless ($self->{deny_activate}) {
1177	$self->{deny_save} = 1;	1390	$self->decay_objects;
1178	$self->{deny_reset} = 1;
1179	} else {
1180	$self->fix_auto_apply;	1391	$self->fix_auto_apply;
1181	$self->decay_objects;
1182	$self->update_buttons;	1392	$self->update_buttons;
		1393	Coro::cede;
1183	$self->set_darkness_map;	1394	$self->set_darkness_map;
1184	$self->difficulty ($self->estimate_difficulty)	1395	$self->difficulty ($self->estimate_difficulty)
1185	unless $self->difficulty;	1396	unless $self->difficulty;
		1397	Coro::cede;
1186	$self->activate;	1398	$self->activate;
1187	}	1399	}
1188		1400
1189	$self->in_memory (cf::MAP_IN_MEMORY);	1401	$self->in_memory (cf::MAP_IN_MEMORY);
1190	}	1402	}
1191		1403
1192	sub load_map_sync {	1404	sub customise_for {
		1405	my ($self, $ob) = @_;
		1406
		1407	return find "~" . $ob->name . "/" . $self->{path}
		1408	if $self->per_player;
		1409
		1410	$self
		1411	}
		1412
		1413	# find and load all maps in the 3x3 area around a map
		1414	sub load_diag {
		1415	my ($map) = @_;
		1416
		1417	my @diag; # diagonal neighbours
		1418
		1419	for (0 .. 3) {
		1420	my $neigh = $map->tile_path ($_)
		1421	or next;
		1422	$neigh = find $neigh, $map
		1423	or next;
		1424	$neigh->load;
		1425
		1426	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1427	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1428	}
		1429
		1430	for (@diag) {
		1431	my $neigh = find @$_
		1432	or next;
		1433	$neigh->load;
		1434	}
		1435	}
		1436
		1437	sub find_sync {
1193	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1194		1439
1195	#warn "load_map_sync<$path, $origin>\n";#d#	1440	cf::sync_job { find $path, $origin }
		1441	}
1196		1442
1197	cf::sync_job {	1443	sub do_load_sync {
1198	my $map = cf::map::find_map $path, $origin	1444	my ($map) = @_;
1199	or return;	1445
		1446	cf::sync_job { $map->load };
		1447	}
		1448
		1449	our %MAP_PREFETCH;
		1450	our $MAP_PREFETCHER = undef;
		1451
		1452	sub find_async {
		1453	my ($path, $origin) = @_;
		1454
		1455	$path = normalise $path, $origin && $origin->{path};
		1456
		1457	if (my $map = $cf::MAP{$path}) {
		1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1459	}
		1460
		1461	undef $MAP_PREFETCH{$path};
		1462	$MAP_PREFETCHER ||= cf::async {
		1463	while (%MAP_PREFETCH) {
		1464	for my $path (keys %MAP_PREFETCH) {
		1465	my $map = find $path
		1466	or next;
1200	$map->load;	1467	$map->load;
1201	$map	1468
		1469	delete $MAP_PREFETCH{$path};
		1470	}
		1471	}
		1472	undef $MAP_PREFETCHER;
1202	}	1473	};
		1474
		1475	()
1203	}	1476	}
1204		1477
1205	sub save {	1478	sub save {
1206	my ($self) = @_;	1479	my ($self) = @_;
1207		1480
1208	my $save = $self->{path}->save_path; utf8::encode $save;	1481	my $lock = cf::lock_acquire "map_data:" . $self->path;
1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1210		1482
1211	$self->{last_save} = $cf::RUNTIME;	1483	$self->{last_save} = $cf::RUNTIME;
1212		1484
1213	return unless $self->dirty;	1485	return unless $self->dirty;
1214		1486
		1487	my $save = $self->save_path; utf8::encode $save;
		1488	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1489
1215	$self->{load_path} = $save;	1490	$self->{load_path} = $save;
1216		1491
1217	return if $self->{deny_save};	1492	return if $self->{deny_save};
1218		1493
		1494	local $self->{last_access} = $self->last_access;#d#
		1495
		1496	cf::async {
		1497	$_->contr->save for $self->players;
		1498	};
		1499
1219	if ($uniq) {	1500	if ($uniq) {
1220	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1221	$self->save_objects ($uniq, cf::IO_UNIQUES);	1502	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1222	} else {	1503	} else {
1223	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1504	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1224	}	1505	}
1225	}	1506	}
1226		1507
1227	sub swap_out {	1508	sub swap_out {
1228	my ($self) = @_;	1509	my ($self) = @_;
		1510
		1511	# save first because save cedes
		1512	$self->save;
		1513
		1514	my $lock = cf::lock_acquire "map_data:" . $self->path;
1229		1515
1230	return if $self->players;	1516	return if $self->players;
1231	return if $self->in_memory != cf::MAP_IN_MEMORY;	1517	return if $self->in_memory != cf::MAP_IN_MEMORY;
1232	return if $self->{deny_save};	1518	return if $self->{deny_save};
1233		1519
1234	$self->save;
1235	$self->clear;	1520	$self->clear;
1236	$self->in_memory (cf::MAP_SWAPPED);	1521	$self->in_memory (cf::MAP_SWAPPED);
1237	}	1522	}
1238		1523
1239	sub reset_at {	1524	sub reset_at {
1240	my ($self) = @_;	1525	my ($self) = @_;
1241		1526
1242	# TODO: safety, remove and allow resettable per-player maps	1527	# TODO: safety, remove and allow resettable per-player maps
1243	return 1e100 if $self->{path}{user_rel};	1528	return 1e99 if $self->isa ("ext::map_per_player");#d#
1244	return 1e100 if $self->{deny_reset};	1529	return 1e99 if $self->{deny_reset};
1245		1530
1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1247	my $to = $self->reset_timeout || $DEFAULT_RESET;	1532	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1248	$to = $MAX_RESET if $to > $MAX_RESET;
1249		1533
1250	$time + $to	1534	$time + $to
1251	}	1535	}
1252		1536
1253	sub should_reset {	1537	sub should_reset {
1254	my ($self) = @_;	1538	my ($self) = @_;
1255		1539
1256	$self->reset_at <= $cf::RUNTIME	1540	$self->reset_at <= $cf::RUNTIME
1257	}	1541	}
1258		1542
1259	sub unlink_save {
1260	my ($self) = @_;
1261
1262	utf8::encode (my $save = $self->{path}->save_path);
1263	aioreq_pri 3; IO::AIO::aio_unlink $save;
1264	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1265	}
1266
1267	sub reset {	1543	sub reset {
1268	my ($self) = @_;	1544	my ($self) = @_;
1269		1545
		1546	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1547
1270	return if $self->players;	1548	return if $self->players;
1271	return if $self->{path}{user_rel};#d#	1549	return if $self->isa ("ext::map_per_player");#d#
1272		1550
1273	warn "resetting map ", $self->path;#d#	1551	warn "resetting map ", $self->path;#d#
1274		1552
1275	delete $cf::MAP{$self->path};	1553	delete $cf::MAP{$self->path};
		1554
		1555	$self->in_memory (cf::MAP_SWAPPED);
		1556	$self->clear;
1276		1557
1277	$_->clear_links_to ($self) for values %cf::MAP;	1558	$_->clear_links_to ($self) for values %cf::MAP;
1278		1559
1279	$self->unlink_save;	1560	$self->unlink_save;
1280	$self->destroy;	1561	$self->destroy;
1281	}	1562	}
1282		1563
1283	sub customise_for {	1564	my $nuke_counter = "aaaa";
1284	my ($map, $ob) = @_;
1285		1565
1286	if ($map->per_player) {	1566	sub nuke {
1287	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1567	my ($self) = @_;
1288	}
1289		1568
1290	$map	1569	delete $cf::MAP{$self->path};
1291	}
1292		1570
1293	sub emergency_save {	1571	$self->unlink_save;
1294	local $cf::FREEZE = 1;
1295		1572
1296	warn "enter emergency map save\n";	1573	bless $self, "cf::map";
		1574	delete $self->{deny_reset};
		1575	$self->{deny_save} = 1;
		1576	$self->reset_timeout (1);
		1577	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1297		1578
1298	cf::sync_job {	1579	$cf::MAP{$self->path} = $self;
1299	warn "begin emergency map save\n";	1580
1300	$_->save for values %cf::MAP;	1581	$self->reset; # polite request, might not happen
		1582	}
		1583
		1584	=item cf::map::unique_maps
		1585
		1586	Returns an arrayref of paths of all shared maps that have
		1587	instantiated unique items. May block.
		1588
		1589	=cut
		1590
		1591	sub unique_maps() {
		1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1593	or return;
		1594
		1595	my @paths;
		1596
		1597	for (@$files) {
		1598	utf8::decode $_;
		1599	next if /\.pst$/;
		1600	next unless /^$PATH_SEP/o;
		1601
		1602	s/\.map$//;
		1603	push @paths, $_;
1301	};	1604	}
1302		1605
1303	warn "end emergency map save\n";	1606	\@paths
1304	}	1607	}
1305		1608
1306	package cf;	1609	package cf;
1307		1610
1308	=back	1611	=back
1309		1612
		1613	=head3 cf::object
		1614
		1615	=cut
		1616
		1617	package cf::object;
		1618
		1619	=over 4
		1620
		1621	=item $ob->inv_recursive
		1622
		1623	Returns the inventory of the object _and_ their inventories, recursively.
		1624
		1625	=cut
		1626
		1627	sub inv_recursive_;
		1628	sub inv_recursive_ {
		1629	map { $_, inv_recursive_ $_->inv } @_
		1630	}
		1631
		1632	sub inv_recursive {
		1633	inv_recursive_ inv $_[0]
		1634	}
		1635
		1636	package cf;
		1637
		1638	=back
1310		1639
1311	=head3 cf::object::player	1640	=head3 cf::object::player
1312		1641
1313	=over 4	1642	=over 4
1314		1643
…		…
1350	(ref $cf::CFG{"may_$access"}	1679	(ref $cf::CFG{"may_$access"}
1351	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1680	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1352	: $cf::CFG{"may_$access"})	1681	: $cf::CFG{"may_$access"})
1353	}	1682	}
1354		1683
		1684	=item $player_object->enter_link
		1685
		1686	Freezes the player and moves him/her to a special map (C<{link}>).
		1687
		1688	The player should be reasonably safe there for short amounts of time. You
		1689	I<MUST> call C<leave_link> as soon as possible, though.
		1690
		1691	Will never block.
		1692
		1693	=item $player_object->leave_link ($map, $x, $y)
		1694
		1695	Moves the player out of the special C<{link}> map onto the specified
		1696	map. If the map is not valid (or omitted), the player will be moved back
		1697	to the location he/she was before the call to C<enter_link>, or, if that
		1698	fails, to the emergency map position.
		1699
		1700	Might block.
		1701
		1702	=cut
		1703
		1704	sub link_map {
		1705	unless ($LINK_MAP) {
		1706	$LINK_MAP = cf::map::find "{link}"
		1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1708	$LINK_MAP->load;
		1709	}
		1710
		1711	$LINK_MAP
		1712	}
		1713
1355	sub cf::object::player::enter_link {	1714	sub cf::object::player::enter_link {
1356	my ($self) = @_;	1715	my ($self) = @_;
1357		1716
1358	return if $self->map == $LINK_MAP;	1717	$self->deactivate_recursive;
1359		1718
		1719	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1720
1360	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1361	if $self->map;	1722	if $self->map;
1362		1723
1363	$self->enter_map ($LINK_MAP, 20, 20);	1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1364	$self->deactivate_recursive;
1365	}	1725	}
1366		1726
1367	sub cf::object::player::leave_link {	1727	sub cf::object::player::leave_link {
1368	my ($self, $map, $x, $y) = @_;	1728	my ($self, $map, $x, $y) = @_;
1369		1729
1370	my $link_pos = delete $self->{_link_pos};	1730	my $link_pos = delete $self->{_link_pos};
1371		1731
1372	unless ($map) {	1732	unless ($map) {
1373	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1374
1375	# restore original map position	1733	# restore original map position
1376	($map, $x, $y) = @{ $link_pos || [] };	1734	($map, $x, $y) = @{ $link_pos || [] };
1377	$map = cf::map::find_map $map;	1735	$map = cf::map::find $map;
1378		1736
1379	unless ($map) {	1737	unless ($map) {
1380	($map, $x, $y) = @$EMERGENCY_POSITION;	1738	($map, $x, $y) = @$EMERGENCY_POSITION;
1381	$map = cf::map::find_map $map	1739	$map = cf::map::find $map
1382	or die "FATAL: cannot load emergency map\n";	1740	or die "FATAL: cannot load emergency map\n";
1383	}	1741	}
1384	}	1742	}
1385		1743
1386	($x, $y) = (-1, -1)	1744	($x, $y) = (-1, -1)
…		…
1389	# use -1 or undef as default coordinates, not 0, 0	1747	# use -1 or undef as default coordinates, not 0, 0
1390	($x, $y) = ($map->enter_x, $map->enter_y)	1748	($x, $y) = ($map->enter_x, $map->enter_y)
1391	if $x <=0 && $y <= 0;	1749	if $x <=0 && $y <= 0;
1392		1750
1393	$map->load;	1751	$map->load;
		1752	$map->load_diag;
1394		1753
		1754	return unless $self->contr->active;
1395	$self->activate_recursive;	1755	$self->activate_recursive;
1396	$self->enter_map ($map, $x, $y);	1756	$self->enter_map ($map, $x, $y);
1397	}	1757	}
1398		1758
		1759	cf::player->attach (
		1760	on_logout => sub {
		1761	my ($pl) = @_;
		1762
		1763	# abort map switching before logout
		1764	if ($pl->ob->{_link_pos}) {
		1765	cf::sync_job {
		1766	$pl->ob->leave_link
		1767	};
		1768	}
		1769	},
		1770	on_login => sub {
		1771	my ($pl) = @_;
		1772
		1773	# try to abort aborted map switching on player login :)
		1774	# should happen only on crashes
		1775	if ($pl->ob->{_link_pos}) {
		1776	$pl->ob->enter_link;
		1777	(async {
		1778	# we need this sleep as the login has a concurrent enter_exit running
		1779	# and this sleep increases chances of the player not ending up in scorn
		1780	$pl->ob->reply (undef,
		1781	"There was an internal problem at your last logout, "
		1782	. "the server will try to bring you to your intended destination in a second.",
		1783	cf::NDI_RED);
		1784	Coro::Timer::sleep 1;
		1785	$pl->ob->leave_link;
		1786	})->prio (2);
		1787	}
		1788	},
		1789	);
		1790
1399	=item $player_object->goto_map ($map, $x, $y)	1791	=item $player_object->goto ($path, $x, $y)
1400		1792
1401	=cut	1793	=cut
1402		1794
1403	sub cf::object::player::goto_map {	1795	sub cf::object::player::goto {
1404	my ($self, $path, $x, $y) = @_;	1796	my ($self, $path, $x, $y) = @_;
1405		1797
1406	$self->enter_link;	1798	$self->enter_link;
1407		1799
1408	(Coro::async {	1800	(async {
1409	$path = new cf::path $path;
1410
1411	my $map = cf::map::find_map $path->as_string;	1801	my $map = cf::map::find $path;
1412	$map = $map->customise_for ($self) if $map;	1802	$map = $map->customise_for ($self) if $map;
1413		1803
1414	warn "entering ", $map->path, " at ($x, $y)\n"	1804	# warn "entering ", $map->path, " at ($x, $y)\n"
1415	if $map;	1805	# if $map;
		1806
		1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1416		1808
1417	$self->leave_link ($map, $x, $y);	1809	$self->leave_link ($map, $x, $y);
1418	})->prio (1);	1810	})->prio (1);
1419	}	1811	}
1420		1812
…		…
1424		1816
1425	sub parse_random_map_params {	1817	sub parse_random_map_params {
1426	my ($spec) = @_;	1818	my ($spec) = @_;
1427		1819
1428	my $rmp = { # defaults	1820	my $rmp = { # defaults
1429	xsize => 10,	1821	xsize => (cf::rndm 15, 40),
1430	ysize => 10,	1822	ysize => (cf::rndm 15, 40),
		1823	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1824	#layout => string,
1431	};	1825	};
1432		1826
1433	for (split /\n/, $spec) {	1827	for (split /\n/, $spec) {
1434	my ($k, $v) = split /\s+/, $_, 2;	1828	my ($k, $v) = split /\s+/, $_, 2;
1435		1829
…		…
1439	$rmp	1833	$rmp
1440	}	1834	}
1441		1835
1442	sub prepare_random_map {	1836	sub prepare_random_map {
1443	my ($exit) = @_;	1837	my ($exit) = @_;
		1838
		1839	my $guard = cf::lock_acquire "exit_prepare:$exit";
1444		1840
1445	# all this does is basically replace the /! path by	1841	# all this does is basically replace the /! path by
1446	# a new random map path (?random/...) with a seed	1842	# a new random map path (?random/...) with a seed
1447	# that depends on the exit object	1843	# that depends on the exit object
1448		1844
…		…
1457		1853
1458	$rmp->{random_seed} ||= $exit->random_seed;	1854	$rmp->{random_seed} ||= $exit->random_seed;
1459		1855
1460	my $data = cf::to_json $rmp;	1856	my $data = cf::to_json $rmp;
1461	my $md5 = Digest::MD5::md5_hex $data;	1857	my $md5 = Digest::MD5::md5_hex $data;
		1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1462		1859
1463	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1464	aio_write $fh, 0, (length $data), $data, 0;	1861	aio_write $fh, 0, (length $data), $data, 0;
		1862	undef $fh;
		1863	aio_rename "$meta~", $meta;
1465		1864
1466	$exit->slaying ("?random/$md5");	1865	$exit->slaying ("?random/$md5");
1467	$exit->msg (undef);	1866	$exit->msg (undef);
1468	}	1867	}
1469	}	1868	}
…		…
1473		1872
1474	return unless $self->type == cf::PLAYER;	1873	return unless $self->type == cf::PLAYER;
1475		1874
1476	$self->enter_link;	1875	$self->enter_link;
1477		1876
1478	(Coro::async {	1877	(async {
		1878	$self->deactivate_recursive; # just to be sure
1479	unless (eval {	1879	unless (eval {
1480
1481	prepare_random_map $exit	1880	prepare_random_map $exit
1482	if $exit->slaying eq "/!";	1881	if $exit->slaying eq "/!";
1483		1882
1484	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1485	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1486		1885
1487	1;	1886	1;
1488	}) {	1887	}) {
1489	$self->message ("Something went wrong deep within the crossfire server. "	1888	$self->message ("Something went wrong deep within the crossfire server. "
1490	. "I'll try to bring you back to the map you were before. "	1889	. "I'll try to bring you back to the map you were before. "
1491	. "Please report this to the dungeon master",	1890	. "Please report this to the dungeon master!",
1492	cf::NDI_UNIQUE | cf::NDI_RED);	1891	cf::NDI_UNIQUE | cf::NDI_RED);
1493		1892
1494	warn "ERROR in enter_exit: $@";	1893	warn "ERROR in enter_exit: $@";
1495	$self->leave_link;	1894	$self->leave_link;
1496	}	1895	}
…		…
1547	on_reply => sub {	1946	on_reply => sub {
1548	my ($ns, $msg) = @_;	1947	my ($ns, $msg) = @_;
1549		1948
1550	# this weird shuffling is so that direct followup queries	1949	# this weird shuffling is so that direct followup queries
1551	# get handled first	1950	# get handled first
1552	my $queue = delete $ns->{query_queue};	1951	my $queue = delete $ns->{query_queue}
		1952	or return; # be conservative, not sure how that can happen, but we saw a crash here
1553		1953
1554	(shift @$queue)->[1]->($msg);	1954	(shift @$queue)->[1]->($msg);
1555		1955
1556	push @{ $ns->{query_queue} }, @$queue;	1956	push @{ $ns->{query_queue} }, @$queue;
1557		1957
…		…
1563	}	1963	}
1564	}	1964	}
1565	},	1965	},
1566	);	1966	);
1567		1967
1568	=item $client->coro (\&cb)	1968	=item $client->async (\&cb)
1569		1969
1570	Create a new coroutine, running the specified callback. The coroutine will	1970	Create a new coroutine, running the specified callback. The coroutine will
1571	be automatically cancelled when the client gets destroyed (e.g. on logout,	1971	be automatically cancelled when the client gets destroyed (e.g. on logout,
1572	or loss of connection).	1972	or loss of connection).
1573		1973
1574	=cut	1974	=cut
1575		1975
1576	sub cf::client::coro {	1976	sub cf::client::async {
1577	my ($self, $cb) = @_;	1977	my ($self, $cb) = @_;
1578		1978
1579	my $coro; $coro = async {	1979	my $coro = &Coro::async ($cb);
1580	eval {
1581	$cb->();
1582	};
1583	warn $@ if $@;
1584	};
1585		1980
1586	$coro->on_destroy (sub {	1981	$coro->on_destroy (sub {
1587	delete $self->{_coro}{$coro+0};	1982	delete $self->{_coro}{$coro+0};
1588	});	1983	});
1589		1984
…		…
1761		2156
1762	{	2157	{
1763	my $path = cf::localdir . "/database.pst";	2158	my $path = cf::localdir . "/database.pst";
1764		2159
1765	sub db_load() {	2160	sub db_load() {
1766	warn "loading database $path\n";#d# remove later
1767	$DB = stat $path ? Storable::retrieve $path : { };	2161	$DB = stat $path ? Storable::retrieve $path : { };
1768	}	2162	}
1769		2163
1770	my $pid;	2164	my $pid;
1771		2165
1772	sub db_save() {	2166	sub db_save() {
1773	warn "saving database $path\n";#d# remove later
1774	waitpid $pid, 0 if $pid;	2167	waitpid $pid, 0 if $pid;
1775	if (0 == ($pid = fork)) {	2168	if (0 == ($pid = fork)) {
1776	$DB->{_meta}{version} = 1;	2169	$DB->{_meta}{version} = 1;
1777	Storable::nstore $DB, "$path~";	2170	Storable::nstore $DB, "$path~";
1778	rename "$path~", $path;	2171	rename "$path~", $path;
…		…
1785	sub db_sync() {	2178	sub db_sync() {
1786	db_save if $dirty;	2179	db_save if $dirty;
1787	undef $dirty;	2180	undef $dirty;
1788	}	2181	}
1789		2182
1790	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1791	db_sync;	2184	db_sync;
1792	});	2185	});
1793		2186
1794	sub db_dirty() {	2187	sub db_dirty() {
1795	$dirty = 1;	2188	$dirty = 1;
…		…
1826	open my $fh, "<:utf8", cf::confdir . "/config"	2219	open my $fh, "<:utf8", cf::confdir . "/config"
1827	or return;	2220	or return;
1828		2221
1829	local $/;	2222	local $/;
1830	*CFG = YAML::Syck::Load <$fh>;	2223	*CFG = YAML::Syck::Load <$fh>;
		2224
		2225	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2226
		2227	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2228	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2229
		2230	if (exists $CFG{mlockall}) {
		2231	eval {
		2232	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2233	and die "WARNING: m(un)lockall failed: $!\n";
		2234	};
		2235	warn $@ if $@;
		2236	}
1831	}	2237	}
1832		2238
1833	sub main {	2239	sub main {
1834	# we must not ever block the main coroutine	2240	# we must not ever block the main coroutine
1835	local $Coro::idle = sub {	2241	local $Coro::idle = sub {
1836	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2242	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1837	(Coro::unblock_sub {	2243	(async {
1838	Event::one_event;	2244	Event::one_event;
1839	})->();	2245	})->prio (Coro::PRIO_MAX);
1840	};	2246	};
1841		2247
1842	cfg_load;	2248	cfg_load;
1843	db_load;	2249	db_load;
1844	load_extensions;	2250	load_extensions;
		2251
		2252	$TICK_WATCHER->start;
1845	Event::loop;	2253	Event::loop;
1846	}	2254	}
1847		2255
1848	#############################################################################	2256	#############################################################################
1849	# initialisation	2257	# initialisation and cleanup
		2258
		2259	# install some emergency cleanup handlers
		2260	BEGIN {
		2261	for my $signal (qw(INT HUP TERM)) {
		2262	Event->signal (
		2263	data => WF_AUTOCANCEL,
		2264	signal => $signal,
		2265	cb => sub {
		2266	cf::cleanup "SIG$signal";
		2267	},
		2268	);
		2269	}
		2270	}
		2271
		2272	sub emergency_save() {
		2273	my $freeze_guard = cf::freeze_mainloop;
		2274
		2275	warn "enter emergency perl save\n";
		2276
		2277	cf::sync_job {
		2278	# use a peculiar iteration method to avoid tripping on perl
		2279	# refcount bugs in for. also avoids problems with players
		2280	# and maps saved/destroyed asynchronously.
		2281	warn "begin emergency player save\n";
		2282	for my $login (keys %cf::PLAYER) {
		2283	my $pl = $cf::PLAYER{$login} or next;
		2284	$pl->valid or next;
		2285	$pl->save;
		2286	}
		2287	warn "end emergency player save\n";
		2288
		2289	warn "begin emergency map save\n";
		2290	for my $path (keys %cf::MAP) {
		2291	my $map = $cf::MAP{$path} or next;
		2292	$map->valid or next;
		2293	$map->save;
		2294	}
		2295	warn "end emergency map save\n";
		2296	};
		2297
		2298	warn "leave emergency perl save\n";
		2299	}
1850		2300
1851	sub reload() {	2301	sub reload() {
1852	# can/must only be called in main	2302	# can/must only be called in main
1853	if ($Coro::current != $Coro::main) {	2303	if ($Coro::current != $Coro::main) {
1854	warn "can only reload from main coroutine\n";	2304	warn "can only reload from main coroutine";
1855	return;	2305	return;
1856	}	2306	}
1857		2307
1858	warn "reloading...";	2308	warn "reloading...";
1859		2309
1860	local $FREEZE = 1;	2310	warn "cancelling server ticker";
		2311	$TICK_WATCHER->cancel;
		2312
1861	cf::emergency_save;	2313	cf::emergency_save;
1862		2314
1863	eval {	2315	eval {
1864	# if anything goes wrong in here, we should simply crash as we already saved	2316	# if anything goes wrong in here, we should simply crash as we already saved
1865		2317
1866	# cancel all watchers	2318	warn "syncing database to disk";
		2319	cf::db_sync;
		2320
		2321	warn "cancelling all WF_AUTOCANCEL watchers";
1867	for (Event::all_watchers) {	2322	for (Event::all_watchers) {
1868	$_->cancel if $_->data & WF_AUTOCANCEL;	2323	$_->cancel if $_->data & WF_AUTOCANCEL;
1869	}	2324	}
1870		2325
		2326	warn "flushing outstanding aio requests";
		2327	for (;;) {
		2328	IO::AIO::flush;
		2329	Coro::cede;
		2330	last unless IO::AIO::nreqs;
		2331	warn "iterate...";
		2332	}
		2333
1871	# cancel all extension coros	2334	warn "cancelling all extension coros";
1872	$_->cancel for values %EXT_CORO;	2335	$_->cancel for values %EXT_CORO;
1873	%EXT_CORO = ();	2336	%EXT_CORO = ();
1874		2337
1875	# unload all extensions	2338	warn "removing commands";
1876	for (@exts) {	2339	%COMMAND = ();
		2340
		2341	warn "removing ext commands";
		2342	%EXTCMD = ();
		2343
		2344	warn "unloading/nuking all extensions";
		2345	for my $pkg (@EXTS) {
1877	warn "unloading <$_>";	2346	warn "... unloading $pkg";
1878	unload_extension $_;	2347
		2348	if (my $cb = $pkg->can ("unload")) {
		2349	eval {
		2350	$cb->($pkg);
		2351	1
		2352	} or warn "$pkg unloaded, but with errors: $@";
1879	}	2353	}
1880		2354
		2355	warn "... nuking $pkg";
		2356	Symbol::delete_package $pkg;
		2357	}
		2358
1881	# unload all modules loaded from $LIBDIR	2359	warn "unloading all perl modules loaded from $LIBDIR";
1882	while (my ($k, $v) = each %INC) {	2360	while (my ($k, $v) = each %INC) {
1883	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2361	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1884		2362
1885	warn "removing <$k>";	2363	warn "... unloading $k";
1886	delete $INC{$k};	2364	delete $INC{$k};
1887		2365
1888	$k =~ s/\.pm$//;	2366	$k =~ s/\.pm$//;
1889	$k =~ s/\//::/g;	2367	$k =~ s/\//::/g;
1890		2368
…		…
1893	}	2371	}
1894		2372
1895	Symbol::delete_package $k;	2373	Symbol::delete_package $k;
1896	}	2374	}
1897		2375
1898	# sync database to disk
1899	cf::db_sync;
1900	IO::AIO::flush;
1901
1902	# get rid of safe::, as good as possible	2376	warn "getting rid of safe::, as good as possible";
1903	Symbol::delete_package "safe::$_"	2377	Symbol::delete_package "safe::$_"
1904	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1905		2379
1906	# remove register_script_function callbacks
1907	# TODO
1908
1909	# unload cf.pm "a bit"	2380	warn "unloading cf.pm \"a bit\"";
1910	delete $INC{"cf.pm"};	2381	delete $INC{"cf.pm"};
1911		2382
1912	# don't, removes xs symbols, too,	2383	# don't, removes xs symbols, too,
1913	# and global variables created in xs	2384	# and global variables created in xs
1914	#Symbol::delete_package __PACKAGE__;	2385	#Symbol::delete_package __PACKAGE__;
1915		2386
1916	# reload cf.pm	2387	warn "unload completed, starting to reload now";
		2388
1917	warn "reloading cf.pm";	2389	warn "reloading cf.pm";
1918	require cf;	2390	require cf;
1919	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1920		2392
1921	# load config and database again	2393	warn "loading config and database again";
1922	cf::cfg_load;	2394	cf::cfg_load;
1923	cf::db_load;	2395	cf::db_load;
1924		2396
1925	# load extensions
1926	warn "load extensions";	2397	warn "loading extensions";
1927	cf::load_extensions;	2398	cf::load_extensions;
1928		2399
1929	# reattach attachments to objects	2400	warn "reattaching attachments to objects/players";
1930	warn "reattach";
1931	_global_reattach;	2401	_global_reattach;
		2402	warn "reattaching attachments to maps";
		2403	reattach $_ for values %MAP;
		2404
		2405	warn "restarting server ticker";
		2406
		2407	$TICK_WATCHER->start;
1932	};	2408	};
1933		2409
1934	if ($@) {	2410	if ($@) {
1935	warn $@;	2411	warn $@;
1936	warn "error while reloading, exiting.";	2412	warn "error while reloading, exiting.";
1937	exit 1;	2413	exit 1;
1938	}	2414	}
1939		2415
1940	warn "reloaded successfully";	2416	warn "reloaded";
1941	};	2417	};
1942		2418
1943	#############################################################################	2419	our $RELOAD_WATCHER; # used only during reload
1944
1945	unless ($LINK_MAP) {
1946	$LINK_MAP = cf::map::new;
1947
1948	$LINK_MAP->width (41);
1949	$LINK_MAP->height (41);
1950	$LINK_MAP->alloc;
1951	$LINK_MAP->path ("{link}");
1952	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1953	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1954
1955	# dirty hack because... archetypes are not yet loaded
1956	Event->timer (
1957	after => 2,
1958	cb => sub {
1959	$_[0]->w->cancel;
1960
1961	# provide some exits "home"
1962	my $exit = cf::object::new "exit";
1963
1964	$exit->slaying ($EMERGENCY_POSITION->[0]);
1965	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1966	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1967
1968	$LINK_MAP->insert ($exit->clone, 19, 19);
1969	$LINK_MAP->insert ($exit->clone, 19, 20);
1970	$LINK_MAP->insert ($exit->clone, 19, 21);
1971	$LINK_MAP->insert ($exit->clone, 20, 19);
1972	$LINK_MAP->insert ($exit->clone, 20, 21);
1973	$LINK_MAP->insert ($exit->clone, 21, 19);
1974	$LINK_MAP->insert ($exit->clone, 21, 20);
1975	$LINK_MAP->insert ($exit->clone, 21, 21);
1976
1977	$exit->destroy;
1978	});
1979
1980	$LINK_MAP->{deny_save} = 1;
1981	$LINK_MAP->{deny_reset} = 1;
1982
1983	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1984	}
1985
1986	register "<global>", __PACKAGE__;
1987		2420
1988	register_command "reload" => sub {	2421	register_command "reload" => sub {
1989	my ($who, $arg) = @_;	2422	my ($who, $arg) = @_;
1990		2423
1991	if ($who->flag (FLAG_WIZ)) {	2424	if ($who->flag (FLAG_WIZ)) {
1992	$who->message ("start of reload.");	2425	$who->message ("reloading server.");
		2426
		2427	# doing reload synchronously and two reloads happen back-to-back,
		2428	# coro crashes during coro_state_free->destroy here.
		2429
		2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
1993	reload;	2431	reload;
1994	$who->message ("end of reload.");	2432	undef $RELOAD_WATCHER;
		2433	});
1995	}	2434	}
1996	};	2435	};
1997		2436
1998	unshift @INC, $LIBDIR;	2437	unshift @INC, $LIBDIR;
		2438
		2439	my $bug_warning = 0;
1999		2440
2000	$TICK_WATCHER = Event->timer (	2441	$TICK_WATCHER = Event->timer (
2001	reentrant => 0,	2442	reentrant => 0,
		2443	parked => 1,
2002	prio => 0,	2444	prio => 0,
2003	at => $NEXT_TICK || $TICK,	2445	at => $NEXT_TICK || $TICK,
2004	data => WF_AUTOCANCEL,	2446	data => WF_AUTOCANCEL,
2005	cb => sub {	2447	cb => sub {
2006	unless ($FREEZE) {	2448	if ($Coro::current != $Coro::main) {
		2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2450	unless ++$bug_warning > 10;
		2451	return;
		2452	}
		2453
		2454	$NOW = Event::time;
		2455
2007	cf::server_tick; # one server iteration	2456	cf::server_tick; # one server iteration
2008	$RUNTIME += $TICK;	2457	$RUNTIME += $TICK;
2009	}
2010
2011	$NEXT_TICK += $TICK;	2458	$NEXT_TICK += $TICK;
		2459
		2460	$WAIT_FOR_TICK->broadcast;
		2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2012		2462
2013	# if we are delayed by four ticks or more, skip them all	2463	# if we are delayed by four ticks or more, skip them all
2014	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2015		2465
2016	$TICK_WATCHER->at ($NEXT_TICK);	2466	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2018	},	2468	},
2019	);	2469	);
2020		2470
2021	IO::AIO::max_poll_time $TICK * 0.2;	2471	IO::AIO::max_poll_time $TICK * 0.2;
2022		2472
2023	Event->io (	2473	$AIO_POLL_WATCHER = Event->io (
2024	fd => IO::AIO::poll_fileno,	2474	fd => IO::AIO::poll_fileno,
2025	poll => 'r',	2475	poll => 'r',
2026	prio => 5,	2476	prio => 5,
2027	data => WF_AUTOCANCEL,	2477	data => WF_AUTOCANCEL,
2028	cb => \&IO::AIO::poll_cb,	2478	cb => \&IO::AIO::poll_cb,
2029	);	2479	);
2030		2480
2031	Event->timer (	2481	$WRITE_RUNTIME_WATCHER = Event->timer (
2032	data => WF_AUTOCANCEL,	2482	data => WF_AUTOCANCEL,
2033	after => 0,	2483	after => 1,
2034	interval => 10,	2484	interval => 10,
2035	cb => sub {	2485	prio => 6, # keep it lowest so it acts like a watchdog
2036	(Coro::unblock_sub {	2486	cb => Coro::unblock_sub {
2037	write_runtime	2487	write_runtime
2038	or warn "ERROR: unable to write runtime file: $!";	2488	or warn "ERROR: unable to write runtime file: $!";
2039	})->();
2040	},	2489	},
2041	);	2490	);
2042		2491
		2492	END { cf::emergency_save }
		2493
2043	1	2494	1
2044		2495

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