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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.115 by root, Mon Jan 1 16:50:10 2007 UTC vs.
Revision 1.200 by root, Mon Jan 29 17:57:22 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		87
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	88	sub cf::map::normalise;
78		89
79	#############################################################################	90	#############################################################################
80		91
81	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
82		93
…		…
106		117
107	=item %cf::CFG	118	=item %cf::CFG
108		119
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	121	from wherever your confdir points to.
		122
		123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		124
		125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		127	processing has been done. Call C<< ->wait >> on them to maximise the
		128	window of cpu time available, or simply to synchronise to the server tick.
111		129
112	=back	130	=back
113		131
114	=cut	132	=cut
115		133
…		…
119	utf8::encode $msg;	137	utf8::encode $msg;
120		138
121	$msg .= "\n"	139	$msg .= "\n"
122	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
123		141
124	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
125	};	143	};
126	}	144	}
127		145
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		165
148	$Event::DIED = sub {	166	$Event::DIED = sub {
149	warn "error in event callback: @_";	167	warn "error in event callback: @_";
150	};	168	};
151		169
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
157		171
158	=over 4	172	=over 4
159		173
		174	=item dumpval $ref
		175
160	=cut	176	=cut
		177
		178	sub dumpval {
		179	eval {
		180	local $SIG{__DIE__};
		181	my $d;
		182	if (1) {
		183	$d = new Data::Dumper([$_[0]], ["*var"]);
		184	$d->Terse(1);
		185	$d->Indent(2);
		186	$d->Quotekeys(0);
		187	$d->Useqq(1);
		188	#$d->Bless(...);
		189	$d->Seen($_[1]) if @_ > 1;
		190	$d = $d->Dump();
		191	}
		192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		193	$d
		194	} || "[unable to dump $_[0]: '$@']";
		195	}
161		196
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		198
164	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
165		200
…		…
180		215
181	sub to_json($) {	216	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	218	JSON::Syck::Dump $_[0]
184	}	219	}
		220
		221	=item cf::lock_wait $string
		222
		223	Wait until the given lock is available. See cf::lock_acquire.
		224
		225	=item my $lock = cf::lock_acquire $string
		226
		227	Wait until the given lock is available and then acquires it and returns
		228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		229	for example when the coroutine gets canceled), the lock is automatically
		230	returned.
		231
		232	Lock names should begin with a unique identifier (for example, cf::map::find
		233	uses map_find and cf::map::load uses map_load).
		234
		235	=cut
		236
		237	our %LOCK;
		238
		239	sub lock_wait($) {
		240	my ($key) = @_;
		241
		242	# wait for lock, if any
		243	while ($LOCK{$key}) {
		244	push @{ $LOCK{$key} }, $Coro::current;
		245	Coro::schedule;
		246	}
		247	}
		248
		249	sub lock_acquire($) {
		250	my ($key) = @_;
		251
		252	# wait, to be sure we are not locked
		253	lock_wait $key;
		254
		255	$LOCK{$key} = [];
		256
		257	Coro::guard {
		258	# wake up all waiters, to be on the safe side
		259	$_->ready for @{ delete $LOCK{$key} };
		260	}
		261	}
		262
		263	sub freeze_mainloop {
		264	return unless $TICK_WATCHER->is_active;
		265
		266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	$WRITE_RUNTIME_WATCHER->start;
		269	};
		270	$WRITE_RUNTIME_WATCHER->stop;
		271	$TICK_WATCHER->stop;
		272	$guard
		273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
185		284
186	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
187		286
188	The design of crossfire+ requires that the main coro ($Coro::main) is	287	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	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	302	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	303	# till the operation succeeds, freezing the server :/
205		304
206	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	306	# (but this is cancel-safe)
208	local $FREEZE = 1;	307	my $freeze_guard = freeze_mainloop;
209		308
210	my $busy = 1;	309	my $busy = 1;
211	my @res;	310	my @res;
212		311
213	(Coro::async {	312	(async {
214	@res = eval { $job->() };	313	@res = eval { $job->() };
215	warn $@ if $@;	314	warn $@ if $@;
216	undef $busy;	315	undef $busy;
217	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
218		317
219	while ($busy) {	318	while ($busy) {
220	Coro::cede_notself;	319	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	320	}
223		321
224	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
225	} else {	323	} else {
226	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
227		325
228	$job->()	326	$job->()
229	}	327	}
230	}	328	}
231		329
232	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
233		331
234	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
236		334
237	=cut	335	=cut
238		336
239	sub coro(&) {	337	sub async_ext(&) {
240	my $cb = shift;	338	my $cb = shift;
241		339
242	my $coro; $coro = async {	340	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		341
249	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
251	});	344	});
252	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
…		…
258	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
259		352
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	354	or return;
262		355
		356	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	361	and return;
266		362
267	aio_fsync $fh	363	aio_fsync $fh
268	and return;	364	and return;
…		…
277	}	373	}
278		374
279	=back	375	=back
280		376
281	=cut	377	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($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		378
403	#############################################################################	379	#############################################################################
404		380
405	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
406		382
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	509	our @CB_MAP = ();
534		510
535	my %attachment;	511	my %attachment;
536		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
537	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
539		521
540	use sort 'stable';	522	use sort 'stable';
541		523
…		…
712	# object support	694	# object support
713		695
714	sub reattach {	696	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		701
718	my $registry = $obj->registry;	702	my $registry = $obj->registry;
719		703
720	@$registry = ();	704	@$registry = ();
721		705
…		…
792	}	776	}
793	} else {	777	} else {
794	aio_unlink $filename;	778	aio_unlink $filename;
795	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
796	}	780	}
		781
		782	#d##TODO# nuke non .map-files if exist
		783	if ($filename =~ s/\.map$//) {
		784	aio_unlink $filename;
		785	aio_unlink "$filename.pst";
		786	}
797	}	787	}
798	}	788	}
799		789
800	sub object_freezer_as_string {	790	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	791	my ($rdata, $objs) = @_;
…		…
807		797
808	sub object_thawer_load {	798	sub object_thawer_load {
809	my ($filename) = @_;	799	my ($filename) = @_;
810		800
811	my ($data, $av);	801	my ($data, $av);
		802
		803	#d#TODO remove .map if file does not exist
		804	aio_stat $filename and $filename =~ s/\.map$//;
812		805
813	(aio_load $filename, $data) >= 0	806	(aio_load $filename, $data) >= 0
814	or return;	807	or return;
815		808
816	unless (aio_stat "$filename.pst") {	809	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	810	(aio_load "$filename.pst", $av) >= 0
818	or return;	811	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	812	$av = eval { (Storable::thaw $av)->{objs} };
820	}	813	}
821		814
		815	warn sprintf "loading %s (%d)\n",
		816	$filename, length $data, scalar @{$av || []};#d#
822	return ($data, $av);	817	return ($data, $av);
823	}	818	}
824		819
825	#############################################################################	820	#############################################################################
826	# command handling &c	821	# command handling &c
…		…
851	=cut	846	=cut
852		847
853	sub register_extcmd {	848	sub register_extcmd {
854	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
855		850
856	my $caller = caller;
857	#warn "registering extcmd '$name' to '$caller'";
858
859	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
860	}	852	}
861		853
862	cf::player->attach (	854	cf::player->attach (
863	on_command => sub {	855	on_command => sub {
864	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
877		869
878	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
879		871
880	if (ref $msg) {	872	if (ref $msg) {
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
882	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
883	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
884	}	876	}
885	}	877	}
886	} else {	878	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
889		881
890	cf::override;	882	cf::override;
891	},	883	},
892	);	884	);
893		885
894	sub register {
895	my ($base, $pkg) = @_;
896
897	#TODO
898	}
899
900	sub load_extension {	886	sub load_extension {
901	my ($path) = @_;	887	my ($path) = @_;
902		888
903	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
904	my $base = $1;	890	my $base = $1;
905	my $pkg = $1;	891	my $pkg = $1;
906	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
907	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
908		894
909	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
910		896
911	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
912	or die "$path: $!";	898	or die "$path: $!";
913		899
914	my $source =	900	my $source =
915	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
916	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
917	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
918	. "\n};\n1";	904	. "\n};\n1";
919		905
920	eval $source	906	unless (eval $source) {
921	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
922	: "extension disabled.\n";	908	: "extension disabled.\n";
923		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
924	push @exts, $pkg;	910	warn $@;
925	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
926		912	exit 1;
927	# no strict 'refs';	913	}
928	# @{"$pkg\::ISA"} = ext::;	914	die $@;
929
930	register $base, $pkg;
931	}
932
933	sub unload_extension {
934	my ($pkg) = @_;
935
936	warn "removing extension $pkg\n";
937
938	# remove hooks
939	#TODO
940	# for my $idx (0 .. $#PLUGIN_EVENT) {
941	# delete $hook[$idx]{$pkg};
942	# }	915	}
943		916
944	# remove commands	917	push @EXTS, $pkg;
945	for my $name (keys %COMMAND) {
946	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
947
948	if (@cb) {
949	$COMMAND{$name} = \@cb;
950	} else {
951	delete $COMMAND{$name};
952	}
953	}
954
955	# remove extcmds
956	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
957	delete $EXTCMD{$name};
958	}
959
960	if (my $cb = $pkg->can ("unload")) {
961	eval {
962	$cb->($pkg);
963	1
964	} or warn "$pkg unloaded, but with errors: $@";
965	}
966
967	Symbol::delete_package $pkg;
968	}	918	}
969		919
970	sub load_extensions {	920	sub load_extensions {
971	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
972	next unless -r $ext;	922	next unless -r $ext;
…		…
976	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
977	}	927	}
978	}	928	}
979		929
980	#############################################################################	930	#############################################################################
981	# load/save/clean perl data associated with a map
982
983	*cf::mapsupport::on_clean = sub {
984	my ($map) = @_;
985
986	my $path = $map->tmpname;
987	defined $path or return;
988
989	unlink "$path.pst";
990	};
991
992	cf::map->attach (prio => -10000, package => cf::mapsupport::);
993
994	#############################################################################
995	# load/save perl data associated with player->ob objects
996
997	sub all_objects(@) {
998	@_, map all_objects ($_->inv), @_
999	}
1000
1001	# TODO: compatibility cruft, remove when no longer needed
1002	cf::player->attach (
1003	on_load => sub {
1004	my ($pl, $path) = @_;
1005
1006	for my $o (all_objects $pl->ob) {
1007	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1008	$o->set_ob_key_value ("_perl_data");
1009
1010	%$o = %{ Storable::thaw pack "H*", $value };
1011	}
1012	}
1013	},
1014	);
1015
1016	#############################################################################
1017		931
1018	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1019		933
1020	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1021		935
		936	=cut
		937
		938	package cf::player;
		939
		940	use Coro::AIO;
		941
1022	=head3 cf::player	942	=head3 cf::player
1023		943
1024	=over 4	944	=over 4
1025		945
1026	=item cf::player::exists $login	946	=item cf::player::find $login
1027		947
1028	Returns true when the given account exists.	948	Returns the given player object, loading it if necessary (might block).
1029		949
1030	=cut	950	=cut
1031		951
1032	sub cf::player::exists($) {	952	sub playerdir($) {
1033	cf::player::find $_[0]	953	cf::localdir
1034	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	954	. "/"
		955	. cf::playerdir
		956	. "/"
		957	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		958	}
		959
		960	sub path($) {
		961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		962
		963	(playerdir $login) . "/$login.pl"
		964	}
		965
		966	sub find_active($) {
		967	$cf::PLAYER{$_[0]}
		968	and $cf::PLAYER{$_[0]}->active
		969	and $cf::PLAYER{$_[0]}
		970	}
		971
		972	sub exists($) {
		973	my ($login) = @_;
		974
		975	$cf::PLAYER{$login}
		976	or cf::sync_job { !aio_stat path $login }
		977	}
		978
		979	sub find($) {
		980	return $cf::PLAYER{$_[0]} || do {
		981	my $login = $_[0];
		982
		983	my $guard = cf::lock_acquire "user_find:$login";
		984
		985	$cf::PLAYER{$_[0]} || do {
		986	my $pl = load_pl path $login
		987	or return;
		988	$cf::PLAYER{$login} = $pl
		989	}
		990	}
		991	}
		992
		993	sub save($) {
		994	my ($pl) = @_;
		995
		996	return if $pl->{deny_save};
		997
		998	my $path = path $pl;
		999	my $guard = cf::lock_acquire "user_save:$path";
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	aio_mkdir playerdir $pl, 0770;
		1004	$pl->{last_save} = $cf::RUNTIME;
		1005
		1006	$pl->save_pl ($path);
		1007	Coro::cede;
		1008	}
		1009
		1010	sub new($) {
		1011	my ($login) = @_;
		1012
		1013	my $self = create;
		1014
		1015	$self->ob->name ($login);
		1016	$self->{deny_save} = 1;
		1017
		1018	$cf::PLAYER{$login} = $self;
		1019
		1020	$self
		1021	}
		1022
		1023	=item $pl->quit_character
		1024
		1025	Nukes the player without looking back. If logged in, the connection will
		1026	be destroyed. May block for a long time.
		1027
		1028	=cut
		1029
		1030	sub quit_character {
		1031	my ($pl) = @_;
		1032
		1033	$pl->{deny_save} = 1;
		1034	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1035
		1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1037	$pl->deactivate;
		1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1039	$pl->ns->destroy if $pl->ns;
		1040
		1041	my $path = playerdir $pl;
		1042	my $temp = "$path~$cf::RUNTIME~deleting~";
		1043	aio_rename $path, $temp;
		1044	delete $cf::PLAYER{$pl->ob->name};
		1045	$pl->destroy;
		1046	IO::AIO::aio_rmtree $temp;
		1047	}
		1048
		1049	=item cf::player::list_logins
		1050
		1051	Returns am arrayref of all valid playernames in the system, can take a
		1052	while and may block, so not sync_job-capable, ever.
		1053
		1054	=cut
		1055
		1056	sub list_logins {
		1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1058	or return [];
		1059
		1060	my @logins;
		1061
		1062	for my $login (@$dirs) {
		1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1064	aio_read $fh, 0, 512, my $buf, 0 or next;
		1065	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1066
		1067	utf8::decode $login;
		1068	push @logins, $login;
		1069	}
		1070
		1071	\@logins
		1072	}
		1073
		1074	=item $player->maps
		1075
		1076	Returns an arrayref of map paths that are private for this
		1077	player. May block.
		1078
		1079	=cut
		1080
		1081	sub maps($) {
		1082	my ($pl) = @_;
		1083
		1084	my $files = aio_readdir playerdir $pl
		1085	or return;
		1086
		1087	my @paths;
		1088
		1089	for (@$files) {
		1090	utf8::decode $_;
		1091	next if /\.(?:pl|pst)$/;
		1092	next unless /^$PATH_SEP/o;
		1093
		1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;
		1095	}
		1096
		1097	\@paths
1035	}	1098	}
1036		1099
1037	=item $player->ext_reply ($msgid, $msgtype, %msg)	1100	=item $player->ext_reply ($msgid, $msgtype, %msg)
1038		1101
1039	Sends an ext reply to the player.	1102	Sends an ext reply to the player.
1040		1103
1041	=cut	1104	=cut
1042		1105
1043	sub cf::player::ext_reply($$$%) {	1106	sub ext_reply($$$%) {
1044	my ($self, $id, %msg) = @_;	1107	my ($self, $id, %msg) = @_;
1045		1108
1046	$msg{msgid} = $id;	1109	$msg{msgid} = $id;
1047		1110
1048	$self->send ("ext " . to_json \%msg);	1111	$self->send ("ext " . cf::to_json \%msg);
1049	}	1112	}
		1113
		1114	package cf;
1050		1115
1051	=back	1116	=back
1052		1117
1053		1118
1054	=head3 cf::map	1119	=head3 cf::map
…		…
1060	package cf::map;	1125	package cf::map;
1061		1126
1062	use Fcntl;	1127	use Fcntl;
1063	use Coro::AIO;	1128	use Coro::AIO;
1064		1129
		1130	use overload
		1131	'""' => \&as_string,
		1132	fallback => 1;
		1133
1065	our $MAX_RESET = 7200;	1134	our $MAX_RESET = 3600;
1066	our $DEFAULT_RESET = 3600;	1135	our $DEFAULT_RESET = 3000;
1067		1136
1068	sub generate_random_map {	1137	sub generate_random_map {
1069	my ($path, $rmp) = @_;	1138	my ($self, $rmp) = @_;
1070
1071	# mit "rum" bekleckern, nicht	1139	# mit "rum" bekleckern, nicht
1072	cf::map::_create_random_map	1140	$self->_create_random_map (
1073	$path,
1074	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1075	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1076	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1077	$rmp->{exit_on_final_map},	1144	$rmp->{exit_on_final_map},
1078	$rmp->{xsize}, $rmp->{ysize},	1145	$rmp->{xsize}, $rmp->{ysize},
1079	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1146	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1080	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1147	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1081	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1148	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1082	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1149	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1083	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1150	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1084	(cf::region::find $rmp->{region})	1151	(cf::region::find $rmp->{region}), $rmp->{custom}
		1152	)
		1153	}
		1154
		1155	=item cf::map->register ($regex, $prio)
		1156
		1157	Register a handler for the map path matching the given regex at the
		1158	givne priority (higher is better, built-in handlers have priority 0, the
		1159	default).
		1160
		1161	=cut
		1162
		1163	sub register {
		1164	my (undef, $regex, $prio) = @_;
		1165	my $pkg = caller;
		1166
		1167	no strict;
		1168	push @{"$pkg\::ISA"}, __PACKAGE__;
		1169
		1170	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1171	}
		1172
		1173	# also paths starting with '/'
		1174	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1175
		1176	sub thawer_merge {
		1177	my ($self, $merge) = @_;
		1178
		1179	# we have to keep some variables in memory intact
		1180	local $self->{path};
		1181	local $self->{load_path};
		1182	local $self->{deny_save};
		1183	local $self->{deny_reset};
		1184
		1185	$self->SUPER::thawer_merge ($merge);
		1186	}
		1187
		1188	sub normalise {
		1189	my ($path, $base) = @_;
		1190
		1191	$path = "$path"; # make sure its a string
		1192
		1193	$path =~ s/\.map$//;
		1194
		1195	# map plan:
		1196	#
		1197	# /! non-realised random map exit (special hack!)
		1198	# {... are special paths that are not being touched
		1199	# ?xxx/... are special absolute paths
		1200	# ?random/... random maps
		1201	# /... normal maps
		1202	# ~user/... per-player map of a specific user
		1203
		1204	$path =~ s/$PATH_SEP/\//go;
		1205
		1206	# treat it as relative path if it starts with
		1207	# something that looks reasonable
		1208	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1209	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1210
		1211	$base =~ s{[^/]+/?$}{};
		1212	$path = "$base/$path";
		1213	}
		1214
		1215	for ($path) {
		1216	redo if s{//}{/};
		1217	redo if s{/\.?/}{/};
		1218	redo if s{/[^/]+/\.\./}{/};
		1219	}
		1220
		1221	$path
		1222	}
		1223
		1224	sub new_from_path {
		1225	my (undef, $path, $base) = @_;
		1226
		1227	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1228
		1229	$path = normalise $path, $base;
		1230
		1231	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1232	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1233	my $self = bless cf::map::new, $pkg;
		1234	$self->{path} = $path; $self->path ($path);
		1235	$self->init; # pass $1 etc.
		1236	return $self;
		1237	}
		1238	}
		1239
		1240	Carp::carp "unable to resolve path '$path' (base '$base').";
		1241	()
		1242	}
		1243
		1244	sub init {
		1245	my ($self) = @_;
		1246
		1247	$self
		1248	}
		1249
		1250	sub as_string {
		1251	my ($self) = @_;
		1252
		1253	"$self->{path}"
		1254	}
		1255
		1256	# the displayed name, this is a one way mapping
		1257	sub visible_name {
		1258	&as_string
		1259	}
		1260
		1261	# the original (read-only) location
		1262	sub load_path {
		1263	my ($self) = @_;
		1264
		1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1266	}
		1267
		1268	# the temporary/swap location
		1269	sub save_path {
		1270	my ($self) = @_;
		1271
		1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1274	}
		1275
		1276	# the unique path, undef == no special unique path
		1277	sub uniq_path {
		1278	my ($self) = @_;
		1279
		1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1085	}	1282	}
1086		1283
1087	# and all this just because we cannot iterate over	1284	# and all this just because we cannot iterate over
1088	# all maps in C++...	1285	# all maps in C++...
1089	sub change_all_map_light {	1286	sub change_all_map_light {
1090	my ($change) = @_;	1287	my ($change) = @_;
1091		1288
1092	$_->change_map_light ($change) for values %cf::MAP;	1289	$_->change_map_light ($change)
		1290	for grep $_->outdoor, values %cf::MAP;
1093	}	1291	}
1094		1292
		1293	sub unlink_save {
		1294	my ($self) = @_;
		1295
		1296	utf8::encode (my $save = $self->save_path);
		1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1299
		1300	#d#TODO remove .map and also nuke
		1301	$save =~ s/\.map// or return;#d#
		1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1304	}
		1305
1095	sub try_load_header($) {	1306	sub load_header_from($) {
1096	my ($path) = @_;	1307	my ($self, $path) = @_;
1097		1308
1098	utf8::encode $path;	1309	utf8::encode $path;
1099	aio_open $path, O_RDONLY, 0	1310	#aio_open $path, O_RDONLY, 0
		1311	# or return;
		1312
		1313	$self->_load_header ($path)
1100	or return;	1314	or return;
1101		1315
1102	my $map = cf::map::new	1316	$self->{load_path} = $path;
		1317
		1318	1
		1319	}
		1320
		1321	sub load_header_orig {
		1322	my ($self) = @_;
		1323
		1324	$self->load_header_from ($self->load_path)
		1325	}
		1326
		1327	sub load_header_temp {
		1328	my ($self) = @_;
		1329
		1330	$self->load_header_from ($self->save_path)
		1331	}
		1332
		1333	sub prepare_temp {
		1334	my ($self) = @_;
		1335
		1336	$self->last_access ((delete $self->{last_access})
		1337	|| $cf::RUNTIME); #d#
		1338	# safety
		1339	$self->{instantiate_time} = $cf::RUNTIME
		1340	if $self->{instantiate_time} > $cf::RUNTIME;
		1341	}
		1342
		1343	sub prepare_orig {
		1344	my ($self) = @_;
		1345
		1346	$self->{load_original} = 1;
		1347	$self->{instantiate_time} = $cf::RUNTIME;
		1348	$self->last_access ($cf::RUNTIME);
		1349	$self->instantiate;
		1350	}
		1351
		1352	sub load_header {
		1353	my ($self) = @_;
		1354
		1355	if ($self->load_header_temp) {
		1356	$self->prepare_temp;
		1357	} else {
		1358	$self->load_header_orig
1103	or return;	1359	or return;
		1360	$self->prepare_orig;
		1361	}
1104		1362
1105	$map->load_header ($path)	1363	1
1106	or return;
1107
1108	$map->{load_path} = $path;
1109
1110	$map
1111	}	1364	}
1112		1365
		1366	sub find;
1113	sub find_map {	1367	sub find {
1114	my ($path, $origin) = @_;	1368	my ($path, $origin) = @_;
1115		1369
1116	#warn "find_map<$path,$origin>\n";#d#
1117
1118	$path = new cf::path $path, $origin && $origin->path;	1370	$path = normalise $path, $origin && $origin->path;
1119	my $key = $path->as_string;
1120		1371
		1372	cf::lock_wait "map_find:$path";
		1373
1121	$cf::MAP{$key} || do {	1374	$cf::MAP{$path} || do {
1122	# do it the slow way	1375	my $guard = cf::lock_acquire "map_find:$path";
1123	my $map = try_load_header $path->save_path;	1376	my $map = new_from_path cf::map $path
1124
1125	if ($map) {
1126	# safety
1127	$map->{instantiate_time} = $cf::RUNTIME
1128	if $map->{instantiate_time} > $cf::RUNTIME;
1129	} else {
1130	if (my $rmp = $path->random_map_params) {
1131	$map = generate_random_map $key, $rmp;
1132	} else {
1133	$map = try_load_header $path->load_path;
1134	}
1135
1136	$map or return;	1377	or return;
1137		1378
1138	$map->{load_original} = 1;
1139	$map->{instantiate_time} = $cf::RUNTIME;
1140	$map->instantiate;
1141
1142	# per-player maps become, after loading, normal maps
1143	$map->per_player (0) if $path->{user_rel};
1144	}
1145
1146	$map->path ($key);
1147	$map->{path} = $path;
1148	$map->last_access ($cf::RUNTIME);	1379	$map->{last_save} = $cf::RUNTIME;
1149		1380
1150	if ($map->should_reset) {	1381	$map->load_header
		1382	or return;
		1383
		1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1385	# doing this can freeze the server in a sync job, obviously
		1386	#$cf::WAIT_FOR_TICK->wait;
1151	$map->reset;	1387	$map->reset;
1152	$map = find_map $path;	1388	undef $guard;
		1389	return find $path;
1153	}	1390	}
1154		1391
1155	$cf::MAP{$key} = $map	1392	$cf::MAP{$path} = $map
1156	}	1393	}
1157	}	1394	}
		1395
		1396	sub pre_load { }
		1397	sub post_load { }
1158		1398
1159	sub load {	1399	sub load {
1160	my ($self) = @_;	1400	my ($self) = @_;
1161		1401
		1402	local $self->{deny_reset} = 1; # loading can take a long time
		1403
		1404	my $path = $self->{path};
		1405	my $guard = cf::lock_acquire "map_load:$path";
		1406
1162	return if $self->in_memory != cf::MAP_SWAPPED;	1407	return if $self->in_memory != cf::MAP_SWAPPED;
1163		1408
1164	$self->in_memory (cf::MAP_LOADING);	1409	$self->in_memory (cf::MAP_LOADING);
1165		1410
1166	my $path = $self->{path};
1167
1168	$self->alloc;	1411	$self->alloc;
		1412
		1413	$self->pre_load;
		1414
1169	$self->load_objects ($self->{load_path}, 1)	1415	$self->_load_objects ($self->{load_path}, 1)
1170	or return;	1416	or return;
1171		1417
1172	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1173	if delete $self->{load_original};	1419	if delete $self->{load_original};
1174		1420
1175	if (my $uniq = $path->uniq_path) {	1421	if (my $uniq = $self->uniq_path) {
1176	utf8::encode $uniq;	1422	utf8::encode $uniq;
1177	if (aio_open $uniq, O_RDONLY, 0) {	1423	if (aio_open $uniq, O_RDONLY, 0) {
1178	$self->clear_unique_items;	1424	$self->clear_unique_items;
1179	$self->load_objects ($uniq, 0);	1425	$self->_load_objects ($uniq, 0);
1180	}	1426	}
1181	}	1427	}
		1428
		1429	Coro::cede;
1182		1430
1183	# now do the right thing for maps	1431	# now do the right thing for maps
1184	$self->link_multipart_objects;	1432	$self->link_multipart_objects;
1185		1433
1186	if ($self->{path}->is_style_map) {	1434	unless ($self->{deny_activate}) {
1187	$self->{deny_save} = 1;	1435	$self->decay_objects;
1188	$self->{deny_reset} = 1;
1189	} else {
1190	$self->fix_auto_apply;	1436	$self->fix_auto_apply;
1191	$self->decay_objects;
1192	$self->update_buttons;	1437	$self->update_buttons;
		1438	Coro::cede;
1193	$self->set_darkness_map;	1439	$self->set_darkness_map;
1194	$self->difficulty ($self->estimate_difficulty)	1440	$self->difficulty ($self->estimate_difficulty)
1195	unless $self->difficulty;	1441	unless $self->difficulty;
		1442	Coro::cede;
1196	$self->activate;	1443	$self->activate;
1197	}	1444	}
1198		1445
		1446	$self->post_load;
		1447
1199	$self->in_memory (cf::MAP_IN_MEMORY);	1448	$self->in_memory (cf::MAP_IN_MEMORY);
1200	}	1449	}
1201		1450
1202	sub load_map_sync {	1451	sub customise_for {
		1452	my ($self, $ob) = @_;
		1453
		1454	return find "~" . $ob->name . "/" . $self->{path}
		1455	if $self->per_player;
		1456
		1457	$self
		1458	}
		1459
		1460	# find and load all maps in the 3x3 area around a map
		1461	sub load_diag {
		1462	my ($map) = @_;
		1463
		1464	my @diag; # diagonal neighbours
		1465
		1466	for (0 .. 3) {
		1467	my $neigh = $map->tile_path ($_)
		1468	or next;
		1469	$neigh = find $neigh, $map
		1470	or next;
		1471	$neigh->load;
		1472
		1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1475	}
		1476
		1477	for (@diag) {
		1478	my $neigh = find @$_
		1479	or next;
		1480	$neigh->load;
		1481	}
		1482	}
		1483
		1484	sub find_sync {
1203	my ($path, $origin) = @_;	1485	my ($path, $origin) = @_;
1204		1486
1205	#warn "load_map_sync<$path, $origin>\n";#d#	1487	cf::sync_job { find $path, $origin }
		1488	}
1206		1489
1207	cf::sync_job {	1490	sub do_load_sync {
1208	my $map = cf::map::find_map $path, $origin	1491	my ($map) = @_;
1209	or return;	1492
		1493	cf::sync_job { $map->load };
		1494	}
		1495
		1496	our %MAP_PREFETCH;
		1497	our $MAP_PREFETCHER = undef;
		1498
		1499	sub find_async {
		1500	my ($path, $origin) = @_;
		1501
		1502	$path = normalise $path, $origin && $origin->{path};
		1503
		1504	if (my $map = $cf::MAP{$path}) {
		1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1506	}
		1507
		1508	undef $MAP_PREFETCH{$path};
		1509	$MAP_PREFETCHER ||= cf::async {
		1510	while (%MAP_PREFETCH) {
		1511	for my $path (keys %MAP_PREFETCH) {
		1512	my $map = find $path
		1513	or next;
1210	$map->load;	1514	$map->load;
1211	$map	1515
		1516	delete $MAP_PREFETCH{$path};
		1517	}
		1518	}
		1519	undef $MAP_PREFETCHER;
1212	}	1520	};
		1521	$MAP_PREFETCHER->prio (6);
		1522
		1523	()
1213	}	1524	}
1214		1525
1215	sub save {	1526	sub save {
1216	my ($self) = @_;	1527	my ($self) = @_;
1217		1528
1218	my $save = $self->{path}->save_path; utf8::encode $save;	1529	my $lock = cf::lock_acquire "map_data:" . $self->path;
1219	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1220		1530
1221	$self->{last_save} = $cf::RUNTIME;	1531	$self->{last_save} = $cf::RUNTIME;
1222		1532
1223	return unless $self->dirty;	1533	return unless $self->dirty;
1224		1534
		1535	my $save = $self->save_path; utf8::encode $save;
		1536	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1537
1225	$self->{load_path} = $save;	1538	$self->{load_path} = $save;
1226		1539
1227	return if $self->{deny_save};	1540	return if $self->{deny_save};
1228		1541
		1542	local $self->{last_access} = $self->last_access;#d#
		1543
		1544	cf::async {
		1545	$_->contr->save for $self->players;
		1546	};
		1547
1229	if ($uniq) {	1548	if ($uniq) {
1230	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1231	$self->save_objects ($uniq, cf::IO_UNIQUES);	1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1232	} else {	1551	} else {
1233	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1552	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1234	}	1553	}
1235	}	1554	}
1236		1555
1237	sub swap_out {	1556	sub swap_out {
1238	my ($self) = @_;	1557	my ($self) = @_;
		1558
		1559	# save first because save cedes
		1560	$self->save;
		1561
		1562	my $lock = cf::lock_acquire "map_data:" . $self->path;
1239		1563
1240	return if $self->players;	1564	return if $self->players;
1241	return if $self->in_memory != cf::MAP_IN_MEMORY;	1565	return if $self->in_memory != cf::MAP_IN_MEMORY;
1242	return if $self->{deny_save};	1566	return if $self->{deny_save};
1243		1567
1244	$self->save;
1245	$self->clear;	1568	$self->clear;
1246	$self->in_memory (cf::MAP_SWAPPED);	1569	$self->in_memory (cf::MAP_SWAPPED);
1247	}	1570	}
1248		1571
1249	sub reset_at {	1572	sub reset_at {
1250	my ($self) = @_;	1573	my ($self) = @_;
1251		1574
1252	# TODO: safety, remove and allow resettable per-player maps	1575	# TODO: safety, remove and allow resettable per-player maps
1253	return 1e99 if $self->{path}{user_rel};	1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1254	return 1e99 if $self->{deny_reset};	1577	return 1e99 if $self->{deny_reset};
1255		1578
1256	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1257	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1258		1581
…		…
1263	my ($self) = @_;	1586	my ($self) = @_;
1264		1587
1265	$self->reset_at <= $cf::RUNTIME	1588	$self->reset_at <= $cf::RUNTIME
1266	}	1589	}
1267		1590
1268	sub unlink_save {
1269	my ($self) = @_;
1270
1271	utf8::encode (my $save = $self->{path}->save_path);
1272	aioreq_pri 3; IO::AIO::aio_unlink $save;
1273	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1274	}
1275
1276	sub rename {
1277	my ($self, $new_path) = @_;
1278
1279	$self->unlink_save;
1280
1281	delete $cf::MAP{$self->path};
1282	$self->{path} = new cf::path $new_path;
1283	$self->path ($self->{path}->as_string);
1284	$cf::MAP{$self->path} = $self;
1285
1286	$self->save;
1287	}
1288
1289	sub reset {	1591	sub reset {
1290	my ($self) = @_;	1592	my ($self) = @_;
1291		1593
		1594	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1595
1292	return if $self->players;	1596	return if $self->players;
1293	return if $self->{path}{user_rel};#d#	1597	return if $self->isa ("ext::map_per_player");#d#
1294		1598
1295	warn "resetting map ", $self->path;#d#	1599	warn "resetting map ", $self->path;#d#
1296		1600
1297	delete $cf::MAP{$self->path};	1601	delete $cf::MAP{$self->path};
		1602
		1603	$self->in_memory (cf::MAP_SWAPPED);
		1604	$self->clear;
1298		1605
1299	$_->clear_links_to ($self) for values %cf::MAP;	1606	$_->clear_links_to ($self) for values %cf::MAP;
1300		1607
1301	$self->unlink_save;	1608	$self->unlink_save;
1302	$self->destroy;	1609	$self->destroy;
…		…
1305	my $nuke_counter = "aaaa";	1612	my $nuke_counter = "aaaa";
1306		1613
1307	sub nuke {	1614	sub nuke {
1308	my ($self) = @_;	1615	my ($self) = @_;
1309		1616
		1617	delete $cf::MAP{$self->path};
		1618
		1619	$self->unlink_save;
		1620
		1621	bless $self, "cf::map";
		1622	delete $self->{deny_reset};
1310	$self->{deny_save} = 1;	1623	$self->{deny_save} = 1;
1311	$self->reset_timeout (1);	1624	$self->reset_timeout (1);
1312	$self->rename ("{nuke}/" . ($nuke_counter++));	1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1626
		1627	$cf::MAP{$self->path} = $self;
		1628
1313	$self->reset; # polite request, might not happen	1629	$self->reset; # polite request, might not happen
1314	}	1630	}
1315		1631
1316	sub customise_for {	1632	=item cf::map::unique_maps
1317	my ($map, $ob) = @_;
1318		1633
1319	if ($map->per_player) {	1634	Returns an arrayref of paths of all shared maps that have
1320	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1635	instantiated unique items. May block.
1321	}
1322		1636
1323	$map	1637	=cut
1324	}
1325		1638
1326	sub emergency_save {	1639	sub unique_maps() {
1327	local $cf::FREEZE = 1;	1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1641	or return;
1328		1642
1329	warn "enter emergency map save\n";	1643	my @paths;
1330		1644
1331	cf::sync_job {	1645	for (@$files) {
1332	warn "begin emergency map save\n";	1646	utf8::decode $_;
1333	$_->save for values %cf::MAP;	1647	next if /\.pst$/;
		1648	next unless /^$PATH_SEP/o;
		1649
		1650	push @paths, cf::map::normalise $_;
1334	};	1651	}
1335		1652
1336	warn "end emergency map save\n";	1653	\@paths
1337	}	1654	}
1338		1655
1339	package cf;	1656	package cf;
1340		1657
1341	=back	1658	=back
1342		1659
		1660	=head3 cf::object
		1661
		1662	=cut
		1663
		1664	package cf::object;
		1665
		1666	=over 4
		1667
		1668	=item $ob->inv_recursive
		1669
		1670	Returns the inventory of the object _and_ their inventories, recursively.
		1671
		1672	=cut
		1673
		1674	sub inv_recursive_;
		1675	sub inv_recursive_ {
		1676	map { $_, inv_recursive_ $_->inv } @_
		1677	}
		1678
		1679	sub inv_recursive {
		1680	inv_recursive_ inv $_[0]
		1681	}
		1682
		1683	package cf;
		1684
		1685	=back
1343		1686
1344	=head3 cf::object::player	1687	=head3 cf::object::player
1345		1688
1346	=over 4	1689	=over 4
1347		1690
…		…
1387		1730
1388	=item $player_object->enter_link	1731	=item $player_object->enter_link
1389		1732
1390	Freezes the player and moves him/her to a special map (C<{link}>).	1733	Freezes the player and moves him/her to a special map (C<{link}>).
1391		1734
1392	The player should be reaosnably safe there for short amounts of time. You	1735	The player should be reasonably safe there for short amounts of time. You
1393	I<MUST> call C<leave_link> as soon as possible, though.	1736	I<MUST> call C<leave_link> as soon as possible, though.
1394		1737
		1738	Will never block.
		1739
1395	=item $player_object->leave_link ($map, $x, $y)	1740	=item $player_object->leave_link ($map, $x, $y)
1396		1741
1397	Moves the player out of the specila link map onto the given map. If the	1742	Moves the player out of the special C<{link}> map onto the specified
1398	map is not valid (or omitted), the player will be moved back to the	1743	map. If the map is not valid (or omitted), the player will be moved back
1399	location he/she was before the call to C<enter_link>, or, if that fails,	1744	to the location he/she was before the call to C<enter_link>, or, if that
1400	to the emergency map position.	1745	fails, to the emergency map position.
1401		1746
1402	Might block.	1747	Might block.
1403		1748
1404	=cut	1749	=cut
		1750
		1751	sub link_map {
		1752	unless ($LINK_MAP) {
		1753	$LINK_MAP = cf::map::find "{link}"
		1754	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1755	$LINK_MAP->load;
		1756	}
		1757
		1758	$LINK_MAP
		1759	}
1405		1760
1406	sub cf::object::player::enter_link {	1761	sub cf::object::player::enter_link {
1407	my ($self) = @_;	1762	my ($self) = @_;
1408		1763
1409	return if $self->map == $LINK_MAP;	1764	$self->deactivate_recursive;
1410		1765
		1766	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1767
1411	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1412	if $self->map;	1769	if $self->map;
1413		1770
1414	$self->enter_map ($LINK_MAP, 20, 20);	1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1415	$self->deactivate_recursive;
1416	}	1772	}
1417		1773
1418	sub cf::object::player::leave_link {	1774	sub cf::object::player::leave_link {
1419	my ($self, $map, $x, $y) = @_;	1775	my ($self, $map, $x, $y) = @_;
1420		1776
1421	my $link_pos = delete $self->{_link_pos};	1777	my $link_pos = delete $self->{_link_pos};
1422		1778
1423	unless ($map) {	1779	unless ($map) {
1424	# restore original map position	1780	# restore original map position
1425	($map, $x, $y) = @{ $link_pos || [] };	1781	($map, $x, $y) = @{ $link_pos || [] };
1426	$map = cf::map::find_map $map;	1782	$map = cf::map::find $map;
1427		1783
1428	unless ($map) {	1784	unless ($map) {
1429	($map, $x, $y) = @$EMERGENCY_POSITION;	1785	($map, $x, $y) = @$EMERGENCY_POSITION;
1430	$map = cf::map::find_map $map	1786	$map = cf::map::find $map
1431	or die "FATAL: cannot load emergency map\n";	1787	or die "FATAL: cannot load emergency map\n";
1432	}	1788	}
1433	}	1789	}
1434		1790
1435	($x, $y) = (-1, -1)	1791	($x, $y) = (-1, -1)
…		…
1438	# use -1 or undef as default coordinates, not 0, 0	1794	# use -1 or undef as default coordinates, not 0, 0
1439	($x, $y) = ($map->enter_x, $map->enter_y)	1795	($x, $y) = ($map->enter_x, $map->enter_y)
1440	if $x <=0 && $y <= 0;	1796	if $x <=0 && $y <= 0;
1441		1797
1442	$map->load;	1798	$map->load;
		1799	$map->load_diag;
1443		1800
		1801	return unless $self->contr->active;
1444	$self->activate_recursive;	1802	$self->activate_recursive;
1445	$self->enter_map ($map, $x, $y);	1803	$self->enter_map ($map, $x, $y);
1446	}	1804	}
1447		1805
		1806	cf::player->attach (
		1807	on_logout => sub {
		1808	my ($pl) = @_;
		1809
		1810	# abort map switching before logout
		1811	if ($pl->ob->{_link_pos}) {
		1812	cf::sync_job {
		1813	$pl->ob->leave_link
		1814	};
		1815	}
		1816	},
		1817	on_login => sub {
		1818	my ($pl) = @_;
		1819
		1820	# try to abort aborted map switching on player login :)
		1821	# should happen only on crashes
		1822	if ($pl->ob->{_link_pos}) {
		1823	$pl->ob->enter_link;
		1824	(async {
		1825	# we need this sleep as the login has a concurrent enter_exit running
		1826	# and this sleep increases chances of the player not ending up in scorn
		1827	$pl->ob->reply (undef,
		1828	"There was an internal problem at your last logout, "
		1829	. "the server will try to bring you to your intended destination in a second.",
		1830	cf::NDI_RED);
		1831	Coro::Timer::sleep 1;
		1832	$pl->ob->leave_link;
		1833	})->prio (2);
		1834	}
		1835	},
		1836	);
		1837
1448	=item $player_object->goto_map ($map, $x, $y)	1838	=item $player_object->goto ($path, $x, $y)
1449		1839
1450	=cut	1840	=cut
1451		1841
1452	sub cf::object::player::goto_map {	1842	sub cf::object::player::goto {
1453	my ($self, $path, $x, $y) = @_;	1843	my ($self, $path, $x, $y) = @_;
1454		1844
1455	$self->enter_link;	1845	$self->enter_link;
1456		1846
1457	(Coro::async {	1847	(async {
1458	$path = new cf::path $path;	1848	my $map = eval {
1459
1460	my $map = cf::map::find_map $path->as_string;	1849	my $map = cf::map::find $path;
1461	$map = $map->customise_for ($self) if $map;	1850	$map = $map->customise_for ($self) if $map;
1462
1463	warn "entering ", $map->path, " at ($x, $y)\n"
1464	if $map;	1851	$map
1465		1852	} or
1466	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1467		1854
1468	$self->leave_link ($map, $x, $y);	1855	$self->leave_link ($map, $x, $y);
1469	})->prio (1);	1856	})->prio (1);
1470	}	1857	}
1471		1858
…		…
1475		1862
1476	sub parse_random_map_params {	1863	sub parse_random_map_params {
1477	my ($spec) = @_;	1864	my ($spec) = @_;
1478		1865
1479	my $rmp = { # defaults	1866	my $rmp = { # defaults
1480	xsize => 10,	1867	xsize => (cf::rndm 15, 40),
1481	ysize => 10,	1868	ysize => (cf::rndm 15, 40),
		1869	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1870	#layout => string,
1482	};	1871	};
1483		1872
1484	for (split /\n/, $spec) {	1873	for (split /\n/, $spec) {
1485	my ($k, $v) = split /\s+/, $_, 2;	1874	my ($k, $v) = split /\s+/, $_, 2;
1486		1875
…		…
1490	$rmp	1879	$rmp
1491	}	1880	}
1492		1881
1493	sub prepare_random_map {	1882	sub prepare_random_map {
1494	my ($exit) = @_;	1883	my ($exit) = @_;
		1884
		1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1495		1886
1496	# all this does is basically replace the /! path by	1887	# all this does is basically replace the /! path by
1497	# a new random map path (?random/...) with a seed	1888	# a new random map path (?random/...) with a seed
1498	# that depends on the exit object	1889	# that depends on the exit object
1499		1890
1500	my $rmp = parse_random_map_params $exit->msg;	1891	my $rmp = parse_random_map_params $exit->msg;
1501		1892
1502	if ($exit->map) {	1893	if ($exit->map) {
1503	$rmp->{region} = $exit->map->region_name;	1894	$rmp->{region} = $exit->region->name;
1504	$rmp->{origin_map} = $exit->map->path;	1895	$rmp->{origin_map} = $exit->map->path;
1505	$rmp->{origin_x} = $exit->x;	1896	$rmp->{origin_x} = $exit->x;
1506	$rmp->{origin_y} = $exit->y;	1897	$rmp->{origin_y} = $exit->y;
1507	}	1898	}
1508		1899
1509	$rmp->{random_seed} ||= $exit->random_seed;	1900	$rmp->{random_seed} ||= $exit->random_seed;
1510		1901
1511	my $data = cf::to_json $rmp;	1902	my $data = cf::to_json $rmp;
1512	my $md5 = Digest::MD5::md5_hex $data;	1903	my $md5 = Digest::MD5::md5_hex $data;
		1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1513		1905
1514	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1515	aio_write $fh, 0, (length $data), $data, 0;	1907	aio_write $fh, 0, (length $data), $data, 0;
		1908	undef $fh;
		1909	aio_rename "$meta~", $meta;
1516		1910
1517	$exit->slaying ("?random/$md5");	1911	$exit->slaying ("?random/$md5");
1518	$exit->msg (undef);	1912	$exit->msg (undef);
1519	}	1913	}
1520	}	1914	}
…		…
1522	sub cf::object::player::enter_exit {	1916	sub cf::object::player::enter_exit {
1523	my ($self, $exit) = @_;	1917	my ($self, $exit) = @_;
1524		1918
1525	return unless $self->type == cf::PLAYER;	1919	return unless $self->type == cf::PLAYER;
1526		1920
		1921	if ($exit->slaying eq "/!") {
		1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1923	cf::sync_job { prepare_random_map $exit };
		1924	}
		1925
		1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1927	my $hp = $exit->stats->hp;
		1928	my $sp = $exit->stats->sp;
		1929
1527	$self->enter_link;	1930	$self->enter_link;
1528		1931
1529	(Coro::async {	1932	(async {
		1933	$self->deactivate_recursive; # just to be sure
1530	unless (eval {	1934	unless (eval {
1531		1935	$self->goto ($slaying, $hp, $sp);
1532	prepare_random_map $exit
1533	if $exit->slaying eq "/!";
1534
1535	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1536	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1537		1936
1538	1;	1937	1;
1539	}) {	1938	}) {
1540	$self->message ("Something went wrong deep within the crossfire server. "	1939	$self->message ("Something went wrong deep within the crossfire server. "
1541	. "I'll try to bring you back to the map you were before. "	1940	. "I'll try to bring you back to the map you were before. "
1542	. "Please report this to the dungeon master",	1941	. "Please report this to the dungeon master!",
1543	cf::NDI_UNIQUE | cf::NDI_RED);	1942	cf::NDI_UNIQUE | cf::NDI_RED);
1544		1943
1545	warn "ERROR in enter_exit: $@";	1944	warn "ERROR in enter_exit: $@";
1546	$self->leave_link;	1945	$self->leave_link;
1547	}	1946	}
…		…
1598	on_reply => sub {	1997	on_reply => sub {
1599	my ($ns, $msg) = @_;	1998	my ($ns, $msg) = @_;
1600		1999
1601	# this weird shuffling is so that direct followup queries	2000	# this weird shuffling is so that direct followup queries
1602	# get handled first	2001	# get handled first
1603	my $queue = delete $ns->{query_queue};	2002	my $queue = delete $ns->{query_queue}
		2003	or return; # be conservative, not sure how that can happen, but we saw a crash here
1604		2004
1605	(shift @$queue)->[1]->($msg);	2005	(shift @$queue)->[1]->($msg);
1606		2006
1607	push @{ $ns->{query_queue} }, @$queue;	2007	push @{ $ns->{query_queue} }, @$queue;
1608		2008
…		…
1614	}	2014	}
1615	}	2015	}
1616	},	2016	},
1617	);	2017	);
1618		2018
1619	=item $client->coro (\&cb)	2019	=item $client->async (\&cb)
1620		2020
1621	Create a new coroutine, running the specified callback. The coroutine will	2021	Create a new coroutine, running the specified callback. The coroutine will
1622	be automatically cancelled when the client gets destroyed (e.g. on logout,	2022	be automatically cancelled when the client gets destroyed (e.g. on logout,
1623	or loss of connection).	2023	or loss of connection).
1624		2024
1625	=cut	2025	=cut
1626		2026
1627	sub cf::client::coro {	2027	sub cf::client::async {
1628	my ($self, $cb) = @_;	2028	my ($self, $cb) = @_;
1629		2029
1630	my $coro; $coro = async {	2030	my $coro = &Coro::async ($cb);
1631	eval {
1632	$cb->();
1633	};
1634	warn $@ if $@;
1635	};
1636		2031
1637	$coro->on_destroy (sub {	2032	$coro->on_destroy (sub {
1638	delete $self->{_coro}{$coro+0};	2033	delete $self->{_coro}{$coro+0};
1639	});	2034	});
1640		2035
…		…
1812		2207
1813	{	2208	{
1814	my $path = cf::localdir . "/database.pst";	2209	my $path = cf::localdir . "/database.pst";
1815		2210
1816	sub db_load() {	2211	sub db_load() {
1817	warn "loading database $path\n";#d# remove later
1818	$DB = stat $path ? Storable::retrieve $path : { };	2212	$DB = stat $path ? Storable::retrieve $path : { };
1819	}	2213	}
1820		2214
1821	my $pid;	2215	my $pid;
1822		2216
1823	sub db_save() {	2217	sub db_save() {
1824	warn "saving database $path\n";#d# remove later
1825	waitpid $pid, 0 if $pid;	2218	waitpid $pid, 0 if $pid;
1826	if (0 == ($pid = fork)) {	2219	if (0 == ($pid = fork)) {
1827	$DB->{_meta}{version} = 1;	2220	$DB->{_meta}{version} = 1;
1828	Storable::nstore $DB, "$path~";	2221	Storable::nstore $DB, "$path~";
1829	rename "$path~", $path;	2222	rename "$path~", $path;
…		…
1836	sub db_sync() {	2229	sub db_sync() {
1837	db_save if $dirty;	2230	db_save if $dirty;
1838	undef $dirty;	2231	undef $dirty;
1839	}	2232	}
1840		2233
1841	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2234	my $idle = Event->idle (
1842	db_sync;	2235	reentrant => 0,
		2236	min => 10,
		2237	max => 20,
		2238	repeat => 0,
		2239	data => WF_AUTOCANCEL,
		2240	cb => \&db_sync,
1843	});	2241	);
1844		2242
1845	sub db_dirty() {	2243	sub db_dirty() {
1846	$dirty = 1;	2244	$dirty = 1;
1847	$idle->start;	2245	$idle->start;
1848	}	2246	}
…		…
1877	open my $fh, "<:utf8", cf::confdir . "/config"	2275	open my $fh, "<:utf8", cf::confdir . "/config"
1878	or return;	2276	or return;
1879		2277
1880	local $/;	2278	local $/;
1881	*CFG = YAML::Syck::Load <$fh>;	2279	*CFG = YAML::Syck::Load <$fh>;
		2280
		2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2282
		2283	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2285
		2286	if (exists $CFG{mlockall}) {
		2287	eval {
		2288	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2289	and die "WARNING: m(un)lockall failed: $!\n";
		2290	};
		2291	warn $@ if $@;
		2292	}
1882	}	2293	}
1883		2294
1884	sub main {	2295	sub main {
1885	# we must not ever block the main coroutine	2296	# we must not ever block the main coroutine
1886	local $Coro::idle = sub {	2297	local $Coro::idle = sub {
1887	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1888	(Coro::unblock_sub {	2299	(async {
1889	Event::one_event;	2300	Event::one_event;
1890	})->();	2301	})->prio (Coro::PRIO_MAX);
1891	};	2302	};
1892		2303
1893	cfg_load;	2304	cfg_load;
1894	db_load;	2305	db_load;
1895	load_extensions;	2306	load_extensions;
		2307
		2308	$TICK_WATCHER->start;
1896	Event::loop;	2309	Event::loop;
1897	}	2310	}
1898		2311
1899	#############################################################################	2312	#############################################################################
1900	# initialisation	2313	# initialisation and cleanup
		2314
		2315	# install some emergency cleanup handlers
		2316	BEGIN {
		2317	for my $signal (qw(INT HUP TERM)) {
		2318	Event->signal (
		2319	reentrant => 0,
		2320	data => WF_AUTOCANCEL,
		2321	signal => $signal,
		2322	prio => 0,
		2323	cb => sub {
		2324	cf::cleanup "SIG$signal";
		2325	},
		2326	);
		2327	}
		2328	}
		2329
		2330	sub emergency_save() {
		2331	my $freeze_guard = cf::freeze_mainloop;
		2332
		2333	warn "enter emergency perl save\n";
		2334
		2335	cf::sync_job {
		2336	# use a peculiar iteration method to avoid tripping on perl
		2337	# refcount bugs in for. also avoids problems with players
		2338	# and maps saved/destroyed asynchronously.
		2339	warn "begin emergency player save\n";
		2340	for my $login (keys %cf::PLAYER) {
		2341	my $pl = $cf::PLAYER{$login} or next;
		2342	$pl->valid or next;
		2343	$pl->save;
		2344	}
		2345	warn "end emergency player save\n";
		2346
		2347	warn "begin emergency map save\n";
		2348	for my $path (keys %cf::MAP) {
		2349	my $map = $cf::MAP{$path} or next;
		2350	$map->valid or next;
		2351	$map->save;
		2352	}
		2353	warn "end emergency map save\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
1901		2358
1902	sub reload() {	2359	sub reload() {
1903	# can/must only be called in main	2360	# can/must only be called in main
1904	if ($Coro::current != $Coro::main) {	2361	if ($Coro::current != $Coro::main) {
1905	warn "can only reload from main coroutine\n";	2362	warn "can only reload from main coroutine";
1906	return;	2363	return;
1907	}	2364	}
1908		2365
1909	warn "reloading...";	2366	warn "reloading...";
1910		2367
1911	local $FREEZE = 1;	2368	warn "cancelling server ticker";
		2369	$TICK_WATCHER->cancel;
		2370
1912	cf::emergency_save;	2371	cf::emergency_save;
1913		2372
1914	eval {	2373	eval {
1915	# if anything goes wrong in here, we should simply crash as we already saved	2374	# if anything goes wrong in here, we should simply crash as we already saved
1916		2375
1917	# cancel all watchers	2376	warn "syncing database to disk";
		2377	cf::db_sync;
		2378
		2379	warn "cancelling all WF_AUTOCANCEL watchers";
1918	for (Event::all_watchers) {	2380	for (Event::all_watchers) {
1919	$_->cancel if $_->data & WF_AUTOCANCEL;	2381	$_->cancel if $_->data & WF_AUTOCANCEL;
1920	}	2382	}
1921		2383
		2384	warn "flushing outstanding aio requests";
		2385	for (;;) {
		2386	IO::AIO::flush;
		2387	Coro::cede;
		2388	last unless IO::AIO::nreqs;
		2389	warn "iterate...";
		2390	}
		2391
1922	# cancel all extension coros	2392	warn "cancelling all extension coros";
1923	$_->cancel for values %EXT_CORO;	2393	$_->cancel for values %EXT_CORO;
1924	%EXT_CORO = ();	2394	%EXT_CORO = ();
1925		2395
1926	# unload all extensions	2396	warn "removing commands";
1927	for (@exts) {	2397	%COMMAND = ();
		2398
		2399	warn "removing ext commands";
		2400	%EXTCMD = ();
		2401
		2402	warn "unloading/nuking all extensions";
		2403	for my $pkg (@EXTS) {
1928	warn "unloading <$_>";	2404	warn "... unloading $pkg";
1929	unload_extension $_;	2405
		2406	if (my $cb = $pkg->can ("unload")) {
		2407	eval {
		2408	$cb->($pkg);
		2409	1
		2410	} or warn "$pkg unloaded, but with errors: $@";
1930	}	2411	}
1931		2412
		2413	warn "... nuking $pkg";
		2414	Symbol::delete_package $pkg;
		2415	}
		2416
1932	# unload all modules loaded from $LIBDIR	2417	warn "unloading all perl modules loaded from $LIBDIR";
1933	while (my ($k, $v) = each %INC) {	2418	while (my ($k, $v) = each %INC) {
1934	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1935		2420
1936	warn "removing <$k>";	2421	warn "... unloading $k";
1937	delete $INC{$k};	2422	delete $INC{$k};
1938		2423
1939	$k =~ s/\.pm$//;	2424	$k =~ s/\.pm$//;
1940	$k =~ s/\//::/g;	2425	$k =~ s/\//::/g;
1941		2426
…		…
1944	}	2429	}
1945		2430
1946	Symbol::delete_package $k;	2431	Symbol::delete_package $k;
1947	}	2432	}
1948		2433
1949	# sync database to disk
1950	cf::db_sync;
1951	IO::AIO::flush;
1952
1953	# get rid of safe::, as good as possible	2434	warn "getting rid of safe::, as good as possible";
1954	Symbol::delete_package "safe::$_"	2435	Symbol::delete_package "safe::$_"
1955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1956		2437
1957	# remove register_script_function callbacks
1958	# TODO
1959
1960	# unload cf.pm "a bit"	2438	warn "unloading cf.pm \"a bit\"";
1961	delete $INC{"cf.pm"};	2439	delete $INC{"cf.pm"};
1962		2440
1963	# don't, removes xs symbols, too,	2441	# don't, removes xs symbols, too,
1964	# and global variables created in xs	2442	# and global variables created in xs
1965	#Symbol::delete_package __PACKAGE__;	2443	#Symbol::delete_package __PACKAGE__;
1966		2444
1967	# reload cf.pm	2445	warn "unload completed, starting to reload now";
		2446
1968	warn "reloading cf.pm";	2447	warn "reloading cf.pm";
1969	require cf;	2448	require cf;
1970	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1971		2450
1972	# load config and database again	2451	warn "loading config and database again";
1973	cf::cfg_load;	2452	cf::cfg_load;
1974	cf::db_load;	2453	cf::db_load;
1975		2454
1976	# load extensions
1977	warn "load extensions";	2455	warn "loading extensions";
1978	cf::load_extensions;	2456	cf::load_extensions;
1979		2457
1980	# reattach attachments to objects	2458	warn "reattaching attachments to objects/players";
1981	warn "reattach";
1982	_global_reattach;	2459	_global_reattach;
		2460	warn "reattaching attachments to maps";
		2461	reattach $_ for values %MAP;
		2462
		2463	warn "restarting server ticker";
		2464
		2465	$TICK_WATCHER->start;
1983	};	2466	};
1984		2467
1985	if ($@) {	2468	if ($@) {
1986	warn $@;	2469	warn $@;
1987	warn "error while reloading, exiting.";	2470	warn "error while reloading, exiting.";
1988	exit 1;	2471	exit 1;
1989	}	2472	}
1990		2473
1991	warn "reloaded successfully";	2474	warn "reloaded";
1992	};	2475	};
1993		2476
1994	#############################################################################	2477	our $RELOAD_WATCHER; # used only during reload
1995
1996	unless ($LINK_MAP) {
1997	$LINK_MAP = cf::map::new;
1998
1999	$LINK_MAP->width (41);
2000	$LINK_MAP->height (41);
2001	$LINK_MAP->alloc;
2002	$LINK_MAP->path ("{link}");
2003	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2004	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2005
2006	# dirty hack because... archetypes are not yet loaded
2007	Event->timer (
2008	after => 2,
2009	cb => sub {
2010	$_[0]->w->cancel;
2011
2012	# provide some exits "home"
2013	my $exit = cf::object::new "exit";
2014
2015	$exit->slaying ($EMERGENCY_POSITION->[0]);
2016	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2017	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2018
2019	$LINK_MAP->insert ($exit->clone, 19, 19);
2020	$LINK_MAP->insert ($exit->clone, 19, 20);
2021	$LINK_MAP->insert ($exit->clone, 19, 21);
2022	$LINK_MAP->insert ($exit->clone, 20, 19);
2023	$LINK_MAP->insert ($exit->clone, 20, 21);
2024	$LINK_MAP->insert ($exit->clone, 21, 19);
2025	$LINK_MAP->insert ($exit->clone, 21, 20);
2026	$LINK_MAP->insert ($exit->clone, 21, 21);
2027
2028	$exit->destroy;
2029	});
2030
2031	$LINK_MAP->{deny_save} = 1;
2032	$LINK_MAP->{deny_reset} = 1;
2033
2034	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2035	}
2036
2037	register "<global>", __PACKAGE__;
2038		2478
2039	register_command "reload" => sub {	2479	register_command "reload" => sub {
2040	my ($who, $arg) = @_;	2480	my ($who, $arg) = @_;
2041		2481
2042	if ($who->flag (FLAG_WIZ)) {	2482	if ($who->flag (FLAG_WIZ)) {
2043	$who->message ("start of reload.");	2483	$who->message ("reloading server.");
		2484
		2485	# doing reload synchronously and two reloads happen back-to-back,
		2486	# coro crashes during coro_state_free->destroy here.
		2487
		2488	$RELOAD_WATCHER ||= Event->timer (
		2489	reentrant => 0,
		2490	after => 0,
		2491	data => WF_AUTOCANCEL,
		2492	cb => sub {
2044	reload;	2493	reload;
2045	$who->message ("end of reload.");	2494	undef $RELOAD_WATCHER;
		2495	},
		2496	);
2046	}	2497	}
2047	};	2498	};
2048		2499
2049	unshift @INC, $LIBDIR;	2500	unshift @INC, $LIBDIR;
		2501
		2502	my $bug_warning = 0;
2050		2503
2051	$TICK_WATCHER = Event->timer (	2504	$TICK_WATCHER = Event->timer (
2052	reentrant => 0,	2505	reentrant => 0,
		2506	parked => 1,
2053	prio => 0,	2507	prio => 0,
2054	at => $NEXT_TICK || $TICK,	2508	at => $NEXT_TICK || $TICK,
2055	data => WF_AUTOCANCEL,	2509	data => WF_AUTOCANCEL,
2056	cb => sub {	2510	cb => sub {
2057	unless ($FREEZE) {	2511	if ($Coro::current != $Coro::main) {
		2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2513	unless ++$bug_warning > 10;
		2514	return;
		2515	}
		2516
		2517	$NOW = Event::time;
		2518
2058	cf::server_tick; # one server iteration	2519	cf::server_tick; # one server iteration
2059	$RUNTIME += $TICK;	2520	$RUNTIME += $TICK;
2060	}
2061
2062	$NEXT_TICK += $TICK;	2521	$NEXT_TICK += $TICK;
		2522
		2523	$WAIT_FOR_TICK->broadcast;
		2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2525
		2526	Event::sweep;
		2527	Coro::cede_notself;
		2528
		2529	# my $AFTER = Event::time;
		2530	# warn $AFTER - $NOW;#d#
2063		2531
2064	# if we are delayed by four ticks or more, skip them all	2532	# if we are delayed by four ticks or more, skip them all
2065	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2066		2534
2067	$TICK_WATCHER->at ($NEXT_TICK);	2535	$TICK_WATCHER->at ($NEXT_TICK);
2068	$TICK_WATCHER->start;	2536	$TICK_WATCHER->start;
2069	},	2537	},
2070	);	2538	);
2071		2539
2072	IO::AIO::max_poll_time $TICK * 0.2;	2540	IO::AIO::max_poll_time $TICK * 0.1;
2073		2541
2074	Event->io (	2542	undef $Coro::AIO::WATCHER;
		2543	$AIO_POLL_WATCHER = Event->io (
		2544	reentrant => 0,
2075	fd => IO::AIO::poll_fileno,	2545	fd => IO::AIO::poll_fileno,
2076	poll => 'r',	2546	poll => 'r',
2077	prio => 5,	2547	prio => 6,
2078	data => WF_AUTOCANCEL,	2548	data => WF_AUTOCANCEL,
2079	cb => \&IO::AIO::poll_cb,	2549	cb => \&IO::AIO::poll_cb,
2080	);	2550	);
2081		2551
2082	Event->timer (	2552	$WRITE_RUNTIME_WATCHER = Event->timer (
		2553	reentrant => 0,
2083	data => WF_AUTOCANCEL,	2554	data => WF_AUTOCANCEL,
2084	after => 0,	2555	after => 1,
2085	interval => 10,	2556	interval => 10,
2086	cb => sub {	2557	prio => 6, # keep it lowest so it acts like a watchdog
2087	(Coro::unblock_sub {	2558	cb => Coro::unblock_sub {
2088	write_runtime	2559	write_runtime
2089	or warn "ERROR: unable to write runtime file: $!";	2560	or warn "ERROR: unable to write runtime file: $!";
2090	})->();
2091	},	2561	},
2092	);	2562	);
2093		2563
		2564	END { cf::emergency_save }
		2565
2094	1	2566	1
2095		2567

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