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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 1.201 by root, Mon Jan 29 18:15:23 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	$pl = ref $pl ? $pl->ob->name : $pl;
		1085
		1086	my $files = aio_readdir playerdir $pl
		1087	or return;
		1088
		1089	my @paths;
		1090
		1091	for (@$files) {
		1092	utf8::decode $_;
		1093	next if /\.(?:pl|pst)$/;
		1094	next unless /^$PATH_SEP/o;
		1095
		1096	push @paths, cf::map::normalise "~$pl/$_";
		1097	}
		1098
		1099	\@paths
1035	}	1100	}
1036		1101
1037	=item $player->ext_reply ($msgid, $msgtype, %msg)	1102	=item $player->ext_reply ($msgid, $msgtype, %msg)
1038		1103
1039	Sends an ext reply to the player.	1104	Sends an ext reply to the player.
1040		1105
1041	=cut	1106	=cut
1042		1107
1043	sub cf::player::ext_reply($$$%) {	1108	sub ext_reply($$$%) {
1044	my ($self, $id, %msg) = @_;	1109	my ($self, $id, %msg) = @_;
1045		1110
1046	$msg{msgid} = $id;	1111	$msg{msgid} = $id;
1047		1112
1048	$self->send ("ext " . to_json \%msg);	1113	$self->send ("ext " . cf::to_json \%msg);
1049	}	1114	}
		1115
		1116	package cf;
1050		1117
1051	=back	1118	=back
1052		1119
1053		1120
1054	=head3 cf::map	1121	=head3 cf::map
…		…
1060	package cf::map;	1127	package cf::map;
1061		1128
1062	use Fcntl;	1129	use Fcntl;
1063	use Coro::AIO;	1130	use Coro::AIO;
1064		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1065	our $MAX_RESET = 7200;	1136	our $MAX_RESET = 3600;
1066	our $DEFAULT_RESET = 3600;	1137	our $DEFAULT_RESET = 3000;
1067		1138
1068	sub generate_random_map {	1139	sub generate_random_map {
1069	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1070
1071	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1072	cf::map::_create_random_map	1142	$self->_create_random_map (
1073	$path,
1074	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1075	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1076	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1077	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1078	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1079	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1080	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1081	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1082	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1083	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1084	(cf::region::find $rmp->{region})	1153	(cf::region::find $rmp->{region}), $rmp->{custom}
		1154	)
		1155	}
		1156
		1157	=item cf::map->register ($regex, $prio)
		1158
		1159	Register a handler for the map path matching the given regex at the
		1160	givne priority (higher is better, built-in handlers have priority 0, the
		1161	default).
		1162
		1163	=cut
		1164
		1165	sub register {
		1166	my (undef, $regex, $prio) = @_;
		1167	my $pkg = caller;
		1168
		1169	no strict;
		1170	push @{"$pkg\::ISA"}, __PACKAGE__;
		1171
		1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1173	}
		1174
		1175	# also paths starting with '/'
		1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1177
		1178	sub thawer_merge {
		1179	my ($self, $merge) = @_;
		1180
		1181	# we have to keep some variables in memory intact
		1182	local $self->{path};
		1183	local $self->{load_path};
		1184	local $self->{deny_save};
		1185	local $self->{deny_reset};
		1186
		1187	$self->SUPER::thawer_merge ($merge);
		1188	}
		1189
		1190	sub normalise {
		1191	my ($path, $base) = @_;
		1192
		1193	$path = "$path"; # make sure its a string
		1194
		1195	$path =~ s/\.map$//;
		1196
		1197	# map plan:
		1198	#
		1199	# /! non-realised random map exit (special hack!)
		1200	# {... are special paths that are not being touched
		1201	# ?xxx/... are special absolute paths
		1202	# ?random/... random maps
		1203	# /... normal maps
		1204	# ~user/... per-player map of a specific user
		1205
		1206	$path =~ s/$PATH_SEP/\//go;
		1207
		1208	# treat it as relative path if it starts with
		1209	# something that looks reasonable
		1210	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1211	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1212
		1213	$base =~ s{[^/]+/?$}{};
		1214	$path = "$base/$path";
		1215	}
		1216
		1217	for ($path) {
		1218	redo if s{//}{/};
		1219	redo if s{/\.?/}{/};
		1220	redo if s{/[^/]+/\.\./}{/};
		1221	}
		1222
		1223	$path
		1224	}
		1225
		1226	sub new_from_path {
		1227	my (undef, $path, $base) = @_;
		1228
		1229	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1230
		1231	$path = normalise $path, $base;
		1232
		1233	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1234	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1235	my $self = bless cf::map::new, $pkg;
		1236	$self->{path} = $path; $self->path ($path);
		1237	$self->init; # pass $1 etc.
		1238	return $self;
		1239	}
		1240	}
		1241
		1242	Carp::carp "unable to resolve path '$path' (base '$base').";
		1243	()
		1244	}
		1245
		1246	sub init {
		1247	my ($self) = @_;
		1248
		1249	$self
		1250	}
		1251
		1252	sub as_string {
		1253	my ($self) = @_;
		1254
		1255	"$self->{path}"
		1256	}
		1257
		1258	# the displayed name, this is a one way mapping
		1259	sub visible_name {
		1260	&as_string
		1261	}
		1262
		1263	# the original (read-only) location
		1264	sub load_path {
		1265	my ($self) = @_;
		1266
		1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1268	}
		1269
		1270	# the temporary/swap location
		1271	sub save_path {
		1272	my ($self) = @_;
		1273
		1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1276	}
		1277
		1278	# the unique path, undef == no special unique path
		1279	sub uniq_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1085	}	1284	}
1086		1285
1087	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1088	# all maps in C++...	1287	# all maps in C++...
1089	sub change_all_map_light {	1288	sub change_all_map_light {
1090	my ($change) = @_;	1289	my ($change) = @_;
1091		1290
1092	$_->change_map_light ($change) for values %cf::MAP;	1291	$_->change_map_light ($change)
		1292	for grep $_->outdoor, values %cf::MAP;
1093	}	1293	}
1094		1294
		1295	sub unlink_save {
		1296	my ($self) = @_;
		1297
		1298	utf8::encode (my $save = $self->save_path);
		1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1301
		1302	#d#TODO remove .map and also nuke
		1303	$save =~ s/\.map// or return;#d#
		1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1306	}
		1307
1095	sub try_load_header($) {	1308	sub load_header_from($) {
1096	my ($path) = @_;	1309	my ($self, $path) = @_;
1097		1310
1098	utf8::encode $path;	1311	utf8::encode $path;
1099	aio_open $path, O_RDONLY, 0	1312	#aio_open $path, O_RDONLY, 0
		1313	# or return;
		1314
		1315	$self->_load_header ($path)
1100	or return;	1316	or return;
1101		1317
1102	my $map = cf::map::new	1318	$self->{load_path} = $path;
		1319
		1320	1
		1321	}
		1322
		1323	sub load_header_orig {
		1324	my ($self) = @_;
		1325
		1326	$self->load_header_from ($self->load_path)
		1327	}
		1328
		1329	sub load_header_temp {
		1330	my ($self) = @_;
		1331
		1332	$self->load_header_from ($self->save_path)
		1333	}
		1334
		1335	sub prepare_temp {
		1336	my ($self) = @_;
		1337
		1338	$self->last_access ((delete $self->{last_access})
		1339	|| $cf::RUNTIME); #d#
		1340	# safety
		1341	$self->{instantiate_time} = $cf::RUNTIME
		1342	if $self->{instantiate_time} > $cf::RUNTIME;
		1343	}
		1344
		1345	sub prepare_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->{load_original} = 1;
		1349	$self->{instantiate_time} = $cf::RUNTIME;
		1350	$self->last_access ($cf::RUNTIME);
		1351	$self->instantiate;
		1352	}
		1353
		1354	sub load_header {
		1355	my ($self) = @_;
		1356
		1357	if ($self->load_header_temp) {
		1358	$self->prepare_temp;
		1359	} else {
		1360	$self->load_header_orig
1103	or return;	1361	or return;
		1362	$self->prepare_orig;
		1363	}
1104		1364
1105	$map->load_header ($path)	1365	1
1106	or return;
1107
1108	$map->{load_path} = $path;
1109
1110	$map
1111	}	1366	}
1112		1367
		1368	sub find;
1113	sub find_map {	1369	sub find {
1114	my ($path, $origin) = @_;	1370	my ($path, $origin) = @_;
1115		1371
1116	#warn "find_map<$path,$origin>\n";#d#
1117
1118	$path = new cf::path $path, $origin && $origin->path;	1372	$path = normalise $path, $origin && $origin->path;
1119	my $key = $path->as_string;
1120		1373
		1374	cf::lock_wait "map_find:$path";
		1375
1121	$cf::MAP{$key} || do {	1376	$cf::MAP{$path} || do {
1122	# do it the slow way	1377	my $guard = cf::lock_acquire "map_find:$path";
1123	my $map = try_load_header $path->save_path;	1378	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;	1379	or return;
1137		1380
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);	1381	$map->{last_save} = $cf::RUNTIME;
1149		1382
1150	if ($map->should_reset) {	1383	$map->load_header
		1384	or return;
		1385
		1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1387	# doing this can freeze the server in a sync job, obviously
		1388	#$cf::WAIT_FOR_TICK->wait;
1151	$map->reset;	1389	$map->reset;
1152	$map = find_map $path;	1390	undef $guard;
		1391	return find $path;
1153	}	1392	}
1154		1393
1155	$cf::MAP{$key} = $map	1394	$cf::MAP{$path} = $map
1156	}	1395	}
1157	}	1396	}
		1397
		1398	sub pre_load { }
		1399	sub post_load { }
1158		1400
1159	sub load {	1401	sub load {
1160	my ($self) = @_;	1402	my ($self) = @_;
1161		1403
		1404	local $self->{deny_reset} = 1; # loading can take a long time
		1405
		1406	my $path = $self->{path};
		1407	my $guard = cf::lock_acquire "map_load:$path";
		1408
1162	return if $self->in_memory != cf::MAP_SWAPPED;	1409	return if $self->in_memory != cf::MAP_SWAPPED;
1163		1410
1164	$self->in_memory (cf::MAP_LOADING);	1411	$self->in_memory (cf::MAP_LOADING);
1165		1412
1166	my $path = $self->{path};
1167
1168	$self->alloc;	1413	$self->alloc;
		1414
		1415	$self->pre_load;
		1416
1169	$self->load_objects ($self->{load_path}, 1)	1417	$self->_load_objects ($self->{load_path}, 1)
1170	or return;	1418	or return;
1171		1419
1172	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1173	if delete $self->{load_original};	1421	if delete $self->{load_original};
1174		1422
1175	if (my $uniq = $path->uniq_path) {	1423	if (my $uniq = $self->uniq_path) {
1176	utf8::encode $uniq;	1424	utf8::encode $uniq;
1177	if (aio_open $uniq, O_RDONLY, 0) {	1425	if (aio_open $uniq, O_RDONLY, 0) {
1178	$self->clear_unique_items;	1426	$self->clear_unique_items;
1179	$self->load_objects ($uniq, 0);	1427	$self->_load_objects ($uniq, 0);
1180	}	1428	}
1181	}	1429	}
		1430
		1431	Coro::cede;
1182		1432
1183	# now do the right thing for maps	1433	# now do the right thing for maps
1184	$self->link_multipart_objects;	1434	$self->link_multipart_objects;
1185		1435
1186	if ($self->{path}->is_style_map) {	1436	unless ($self->{deny_activate}) {
1187	$self->{deny_save} = 1;	1437	$self->decay_objects;
1188	$self->{deny_reset} = 1;
1189	} else {
1190	$self->fix_auto_apply;	1438	$self->fix_auto_apply;
1191	$self->decay_objects;
1192	$self->update_buttons;	1439	$self->update_buttons;
		1440	Coro::cede;
1193	$self->set_darkness_map;	1441	$self->set_darkness_map;
1194	$self->difficulty ($self->estimate_difficulty)	1442	$self->difficulty ($self->estimate_difficulty)
1195	unless $self->difficulty;	1443	unless $self->difficulty;
		1444	Coro::cede;
1196	$self->activate;	1445	$self->activate;
1197	}	1446	}
1198		1447
		1448	$self->post_load;
		1449
1199	$self->in_memory (cf::MAP_IN_MEMORY);	1450	$self->in_memory (cf::MAP_IN_MEMORY);
1200	}	1451	}
1201		1452
1202	sub load_map_sync {	1453	sub customise_for {
		1454	my ($self, $ob) = @_;
		1455
		1456	return find "~" . $ob->name . "/" . $self->{path}
		1457	if $self->per_player;
		1458
		1459	$self
		1460	}
		1461
		1462	# find and load all maps in the 3x3 area around a map
		1463	sub load_diag {
		1464	my ($map) = @_;
		1465
		1466	my @diag; # diagonal neighbours
		1467
		1468	for (0 .. 3) {
		1469	my $neigh = $map->tile_path ($_)
		1470	or next;
		1471	$neigh = find $neigh, $map
		1472	or next;
		1473	$neigh->load;
		1474
		1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1477	}
		1478
		1479	for (@diag) {
		1480	my $neigh = find @$_
		1481	or next;
		1482	$neigh->load;
		1483	}
		1484	}
		1485
		1486	sub find_sync {
1203	my ($path, $origin) = @_;	1487	my ($path, $origin) = @_;
1204		1488
1205	#warn "load_map_sync<$path, $origin>\n";#d#	1489	cf::sync_job { find $path, $origin }
		1490	}
1206		1491
1207	cf::sync_job {	1492	sub do_load_sync {
1208	my $map = cf::map::find_map $path, $origin	1493	my ($map) = @_;
1209	or return;	1494
		1495	cf::sync_job { $map->load };
		1496	}
		1497
		1498	our %MAP_PREFETCH;
		1499	our $MAP_PREFETCHER = undef;
		1500
		1501	sub find_async {
		1502	my ($path, $origin) = @_;
		1503
		1504	$path = normalise $path, $origin && $origin->{path};
		1505
		1506	if (my $map = $cf::MAP{$path}) {
		1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1508	}
		1509
		1510	undef $MAP_PREFETCH{$path};
		1511	$MAP_PREFETCHER ||= cf::async {
		1512	while (%MAP_PREFETCH) {
		1513	for my $path (keys %MAP_PREFETCH) {
		1514	my $map = find $path
		1515	or next;
1210	$map->load;	1516	$map->load;
1211	$map	1517
		1518	delete $MAP_PREFETCH{$path};
		1519	}
		1520	}
		1521	undef $MAP_PREFETCHER;
1212	}	1522	};
		1523	$MAP_PREFETCHER->prio (6);
		1524
		1525	()
1213	}	1526	}
1214		1527
1215	sub save {	1528	sub save {
1216	my ($self) = @_;	1529	my ($self) = @_;
1217		1530
1218	my $save = $self->{path}->save_path; utf8::encode $save;	1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
1219	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1220		1532
1221	$self->{last_save} = $cf::RUNTIME;	1533	$self->{last_save} = $cf::RUNTIME;
1222		1534
1223	return unless $self->dirty;	1535	return unless $self->dirty;
1224		1536
		1537	my $save = $self->save_path; utf8::encode $save;
		1538	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1539
1225	$self->{load_path} = $save;	1540	$self->{load_path} = $save;
1226		1541
1227	return if $self->{deny_save};	1542	return if $self->{deny_save};
1228		1543
		1544	local $self->{last_access} = $self->last_access;#d#
		1545
		1546	cf::async {
		1547	$_->contr->save for $self->players;
		1548	};
		1549
1229	if ($uniq) {	1550	if ($uniq) {
1230	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1231	$self->save_objects ($uniq, cf::IO_UNIQUES);	1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1232	} else {	1553	} else {
1233	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1234	}	1555	}
1235	}	1556	}
1236		1557
1237	sub swap_out {	1558	sub swap_out {
1238	my ($self) = @_;	1559	my ($self) = @_;
		1560
		1561	# save first because save cedes
		1562	$self->save;
		1563
		1564	my $lock = cf::lock_acquire "map_data:" . $self->path;
1239		1565
1240	return if $self->players;	1566	return if $self->players;
1241	return if $self->in_memory != cf::MAP_IN_MEMORY;	1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1242	return if $self->{deny_save};	1568	return if $self->{deny_save};
1243		1569
1244	$self->save;
1245	$self->clear;	1570	$self->clear;
1246	$self->in_memory (cf::MAP_SWAPPED);	1571	$self->in_memory (cf::MAP_SWAPPED);
1247	}	1572	}
1248		1573
1249	sub reset_at {	1574	sub reset_at {
1250	my ($self) = @_;	1575	my ($self) = @_;
1251		1576
1252	# TODO: safety, remove and allow resettable per-player maps	1577	# TODO: safety, remove and allow resettable per-player maps
1253	return 1e99 if $self->{path}{user_rel};	1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1254	return 1e99 if $self->{deny_reset};	1579	return 1e99 if $self->{deny_reset};
1255		1580
1256	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1257	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1258		1583
…		…
1263	my ($self) = @_;	1588	my ($self) = @_;
1264		1589
1265	$self->reset_at <= $cf::RUNTIME	1590	$self->reset_at <= $cf::RUNTIME
1266	}	1591	}
1267		1592
1268	sub unlink_save {
1269	my ($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	$self->save;
1287	}
1288
1289	sub reset {	1593	sub reset {
1290	my ($self) = @_;	1594	my ($self) = @_;
1291		1595
		1596	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1597
1292	return if $self->players;	1598	return if $self->players;
1293	return if $self->{path}{user_rel};#d#	1599	return if $self->isa ("ext::map_per_player");#d#
1294		1600
1295	warn "resetting map ", $self->path;#d#	1601	warn "resetting map ", $self->path;#d#
1296		1602
1297	delete $cf::MAP{$self->path};	1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->in_memory (cf::MAP_SWAPPED);
		1606	$self->clear;
1298		1607
1299	$_->clear_links_to ($self) for values %cf::MAP;	1608	$_->clear_links_to ($self) for values %cf::MAP;
1300		1609
1301	$self->unlink_save;	1610	$self->unlink_save;
1302	$self->destroy;	1611	$self->destroy;
…		…
1305	my $nuke_counter = "aaaa";	1614	my $nuke_counter = "aaaa";
1306		1615
1307	sub nuke {	1616	sub nuke {
1308	my ($self) = @_;	1617	my ($self) = @_;
1309		1618
		1619	delete $cf::MAP{$self->path};
		1620
		1621	$self->unlink_save;
		1622
		1623	bless $self, "cf::map";
		1624	delete $self->{deny_reset};
1310	$self->{deny_save} = 1;	1625	$self->{deny_save} = 1;
1311	$self->reset_timeout (1);	1626	$self->reset_timeout (1);
1312	$self->rename ("{nuke}/" . ($nuke_counter++));	1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1628
		1629	$cf::MAP{$self->path} = $self;
		1630
1313	$self->reset; # polite request, might not happen	1631	$self->reset; # polite request, might not happen
1314	}	1632	}
1315		1633
1316	sub customise_for {	1634	=item cf::map::unique_maps
1317	my ($map, $ob) = @_;
1318		1635
1319	if ($map->per_player) {	1636	Returns an arrayref of paths of all shared maps that have
1320	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1637	instantiated unique items. May block.
1321	}
1322		1638
1323	$map	1639	=cut
1324	}
1325		1640
1326	sub emergency_save {	1641	sub unique_maps() {
1327	local $cf::FREEZE = 1;	1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1643	or return;
1328		1644
1329	warn "enter emergency map save\n";	1645	my @paths;
1330		1646
1331	cf::sync_job {	1647	for (@$files) {
1332	warn "begin emergency map save\n";	1648	utf8::decode $_;
1333	$_->save for values %cf::MAP;	1649	next if /\.pst$/;
		1650	next unless /^$PATH_SEP/o;
		1651
		1652	push @paths, cf::map::normalise $_;
1334	};	1653	}
1335		1654
1336	warn "end emergency map save\n";	1655	\@paths
1337	}	1656	}
1338		1657
1339	package cf;	1658	package cf;
1340		1659
1341	=back	1660	=back
1342		1661
		1662	=head3 cf::object
		1663
		1664	=cut
		1665
		1666	package cf::object;
		1667
		1668	=over 4
		1669
		1670	=item $ob->inv_recursive
		1671
		1672	Returns the inventory of the object _and_ their inventories, recursively.
		1673
		1674	=cut
		1675
		1676	sub inv_recursive_;
		1677	sub inv_recursive_ {
		1678	map { $_, inv_recursive_ $_->inv } @_
		1679	}
		1680
		1681	sub inv_recursive {
		1682	inv_recursive_ inv $_[0]
		1683	}
		1684
		1685	package cf;
		1686
		1687	=back
1343		1688
1344	=head3 cf::object::player	1689	=head3 cf::object::player
1345		1690
1346	=over 4	1691	=over 4
1347		1692
…		…
1387		1732
1388	=item $player_object->enter_link	1733	=item $player_object->enter_link
1389		1734
1390	Freezes the player and moves him/her to a special map (C<{link}>).	1735	Freezes the player and moves him/her to a special map (C<{link}>).
1391		1736
1392	The player should be reaosnably safe there for short amounts of time. You	1737	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.	1738	I<MUST> call C<leave_link> as soon as possible, though.
1394		1739
		1740	Will never block.
		1741
1395	=item $player_object->leave_link ($map, $x, $y)	1742	=item $player_object->leave_link ($map, $x, $y)
1396		1743
1397	Moves the player out of the specila link map onto the given map. If the	1744	Moves the player out of the special C<{link}> map onto the specified
1398	map is not valid (or omitted), the player will be moved back to the	1745	map. If the map is not valid (or omitted), the player will be moved back
1399	location he/she was before the call to C<enter_link>, or, if that fails,	1746	to the location he/she was before the call to C<enter_link>, or, if that
1400	to the emergency map position.	1747	fails, to the emergency map position.
1401		1748
1402	Might block.	1749	Might block.
1403		1750
1404	=cut	1751	=cut
		1752
		1753	sub link_map {
		1754	unless ($LINK_MAP) {
		1755	$LINK_MAP = cf::map::find "{link}"
		1756	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1757	$LINK_MAP->load;
		1758	}
		1759
		1760	$LINK_MAP
		1761	}
1405		1762
1406	sub cf::object::player::enter_link {	1763	sub cf::object::player::enter_link {
1407	my ($self) = @_;	1764	my ($self) = @_;
1408		1765
1409	return if $self->map == $LINK_MAP;	1766	$self->deactivate_recursive;
1410		1767
		1768	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1769
1411	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1412	if $self->map;	1771	if $self->map;
1413		1772
1414	$self->enter_map ($LINK_MAP, 20, 20);	1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1415	$self->deactivate_recursive;
1416	}	1774	}
1417		1775
1418	sub cf::object::player::leave_link {	1776	sub cf::object::player::leave_link {
1419	my ($self, $map, $x, $y) = @_;	1777	my ($self, $map, $x, $y) = @_;
1420		1778
1421	my $link_pos = delete $self->{_link_pos};	1779	my $link_pos = delete $self->{_link_pos};
1422		1780
1423	unless ($map) {	1781	unless ($map) {
1424	# restore original map position	1782	# restore original map position
1425	($map, $x, $y) = @{ $link_pos || [] };	1783	($map, $x, $y) = @{ $link_pos || [] };
1426	$map = cf::map::find_map $map;	1784	$map = cf::map::find $map;
1427		1785
1428	unless ($map) {	1786	unless ($map) {
1429	($map, $x, $y) = @$EMERGENCY_POSITION;	1787	($map, $x, $y) = @$EMERGENCY_POSITION;
1430	$map = cf::map::find_map $map	1788	$map = cf::map::find $map
1431	or die "FATAL: cannot load emergency map\n";	1789	or die "FATAL: cannot load emergency map\n";
1432	}	1790	}
1433	}	1791	}
1434		1792
1435	($x, $y) = (-1, -1)	1793	($x, $y) = (-1, -1)
…		…
1438	# use -1 or undef as default coordinates, not 0, 0	1796	# use -1 or undef as default coordinates, not 0, 0
1439	($x, $y) = ($map->enter_x, $map->enter_y)	1797	($x, $y) = ($map->enter_x, $map->enter_y)
1440	if $x <=0 && $y <= 0;	1798	if $x <=0 && $y <= 0;
1441		1799
1442	$map->load;	1800	$map->load;
		1801	$map->load_diag;
1443		1802
		1803	return unless $self->contr->active;
1444	$self->activate_recursive;	1804	$self->activate_recursive;
1445	$self->enter_map ($map, $x, $y);	1805	$self->enter_map ($map, $x, $y);
1446	}	1806	}
1447		1807
		1808	cf::player->attach (
		1809	on_logout => sub {
		1810	my ($pl) = @_;
		1811
		1812	# abort map switching before logout
		1813	if ($pl->ob->{_link_pos}) {
		1814	cf::sync_job {
		1815	$pl->ob->leave_link
		1816	};
		1817	}
		1818	},
		1819	on_login => sub {
		1820	my ($pl) = @_;
		1821
		1822	# try to abort aborted map switching on player login :)
		1823	# should happen only on crashes
		1824	if ($pl->ob->{_link_pos}) {
		1825	$pl->ob->enter_link;
		1826	(async {
		1827	# we need this sleep as the login has a concurrent enter_exit running
		1828	# and this sleep increases chances of the player not ending up in scorn
		1829	$pl->ob->reply (undef,
		1830	"There was an internal problem at your last logout, "
		1831	. "the server will try to bring you to your intended destination in a second.",
		1832	cf::NDI_RED);
		1833	Coro::Timer::sleep 1;
		1834	$pl->ob->leave_link;
		1835	})->prio (2);
		1836	}
		1837	},
		1838	);
		1839
1448	=item $player_object->goto_map ($map, $x, $y)	1840	=item $player_object->goto ($path, $x, $y)
1449		1841
1450	=cut	1842	=cut
1451		1843
1452	sub cf::object::player::goto_map {	1844	sub cf::object::player::goto {
1453	my ($self, $path, $x, $y) = @_;	1845	my ($self, $path, $x, $y) = @_;
1454		1846
1455	$self->enter_link;	1847	$self->enter_link;
1456		1848
1457	(Coro::async {	1849	(async {
1458	$path = new cf::path $path;	1850	my $map = eval {
1459
1460	my $map = cf::map::find_map $path->as_string;	1851	my $map = cf::map::find $path;
1461	$map = $map->customise_for ($self) if $map;	1852	$map = $map->customise_for ($self) if $map;
1462
1463	warn "entering ", $map->path, " at ($x, $y)\n"
1464	if $map;	1853	$map
1465		1854	} or
1466	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1467		1856
1468	$self->leave_link ($map, $x, $y);	1857	$self->leave_link ($map, $x, $y);
1469	})->prio (1);	1858	})->prio (1);
1470	}	1859	}
1471		1860
…		…
1475		1864
1476	sub parse_random_map_params {	1865	sub parse_random_map_params {
1477	my ($spec) = @_;	1866	my ($spec) = @_;
1478		1867
1479	my $rmp = { # defaults	1868	my $rmp = { # defaults
1480	xsize => 10,	1869	xsize => (cf::rndm 15, 40),
1481	ysize => 10,	1870	ysize => (cf::rndm 15, 40),
		1871	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1872	#layout => string,
1482	};	1873	};
1483		1874
1484	for (split /\n/, $spec) {	1875	for (split /\n/, $spec) {
1485	my ($k, $v) = split /\s+/, $_, 2;	1876	my ($k, $v) = split /\s+/, $_, 2;
1486		1877
…		…
1490	$rmp	1881	$rmp
1491	}	1882	}
1492		1883
1493	sub prepare_random_map {	1884	sub prepare_random_map {
1494	my ($exit) = @_;	1885	my ($exit) = @_;
		1886
		1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1495		1888
1496	# all this does is basically replace the /! path by	1889	# all this does is basically replace the /! path by
1497	# a new random map path (?random/...) with a seed	1890	# a new random map path (?random/...) with a seed
1498	# that depends on the exit object	1891	# that depends on the exit object
1499		1892
1500	my $rmp = parse_random_map_params $exit->msg;	1893	my $rmp = parse_random_map_params $exit->msg;
1501		1894
1502	if ($exit->map) {	1895	if ($exit->map) {
1503	$rmp->{region} = $exit->map->region_name;	1896	$rmp->{region} = $exit->region->name;
1504	$rmp->{origin_map} = $exit->map->path;	1897	$rmp->{origin_map} = $exit->map->path;
1505	$rmp->{origin_x} = $exit->x;	1898	$rmp->{origin_x} = $exit->x;
1506	$rmp->{origin_y} = $exit->y;	1899	$rmp->{origin_y} = $exit->y;
1507	}	1900	}
1508		1901
1509	$rmp->{random_seed} ||= $exit->random_seed;	1902	$rmp->{random_seed} ||= $exit->random_seed;
1510		1903
1511	my $data = cf::to_json $rmp;	1904	my $data = cf::to_json $rmp;
1512	my $md5 = Digest::MD5::md5_hex $data;	1905	my $md5 = Digest::MD5::md5_hex $data;
		1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1513		1907
1514	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1515	aio_write $fh, 0, (length $data), $data, 0;	1909	aio_write $fh, 0, (length $data), $data, 0;
		1910	undef $fh;
		1911	aio_rename "$meta~", $meta;
1516		1912
1517	$exit->slaying ("?random/$md5");	1913	$exit->slaying ("?random/$md5");
1518	$exit->msg (undef);	1914	$exit->msg (undef);
1519	}	1915	}
1520	}	1916	}
…		…
1522	sub cf::object::player::enter_exit {	1918	sub cf::object::player::enter_exit {
1523	my ($self, $exit) = @_;	1919	my ($self, $exit) = @_;
1524		1920
1525	return unless $self->type == cf::PLAYER;	1921	return unless $self->type == cf::PLAYER;
1526		1922
		1923	if ($exit->slaying eq "/!") {
		1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1925	cf::sync_job { prepare_random_map $exit };
		1926	}
		1927
		1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1929	my $hp = $exit->stats->hp;
		1930	my $sp = $exit->stats->sp;
		1931
1527	$self->enter_link;	1932	$self->enter_link;
1528		1933
1529	(Coro::async {	1934	(async {
		1935	$self->deactivate_recursive; # just to be sure
1530	unless (eval {	1936	unless (eval {
1531		1937	$self->goto ($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		1938
1538	1;	1939	1;
1539	}) {	1940	}) {
1540	$self->message ("Something went wrong deep within the crossfire server. "	1941	$self->message ("Something went wrong deep within the crossfire server. "
1541	. "I'll try to bring you back to the map you were before. "	1942	. "I'll try to bring you back to the map you were before. "
1542	. "Please report this to the dungeon master",	1943	. "Please report this to the dungeon master!",
1543	cf::NDI_UNIQUE | cf::NDI_RED);	1944	cf::NDI_UNIQUE | cf::NDI_RED);
1544		1945
1545	warn "ERROR in enter_exit: $@";	1946	warn "ERROR in enter_exit: $@";
1546	$self->leave_link;	1947	$self->leave_link;
1547	}	1948	}
…		…
1598	on_reply => sub {	1999	on_reply => sub {
1599	my ($ns, $msg) = @_;	2000	my ($ns, $msg) = @_;
1600		2001
1601	# this weird shuffling is so that direct followup queries	2002	# this weird shuffling is so that direct followup queries
1602	# get handled first	2003	# get handled first
1603	my $queue = delete $ns->{query_queue};	2004	my $queue = delete $ns->{query_queue}
		2005	or return; # be conservative, not sure how that can happen, but we saw a crash here
1604		2006
1605	(shift @$queue)->[1]->($msg);	2007	(shift @$queue)->[1]->($msg);
1606		2008
1607	push @{ $ns->{query_queue} }, @$queue;	2009	push @{ $ns->{query_queue} }, @$queue;
1608		2010
…		…
1614	}	2016	}
1615	}	2017	}
1616	},	2018	},
1617	);	2019	);
1618		2020
1619	=item $client->coro (\&cb)	2021	=item $client->async (\&cb)
1620		2022
1621	Create a new coroutine, running the specified callback. The coroutine will	2023	Create a new coroutine, running the specified callback. The coroutine will
1622	be automatically cancelled when the client gets destroyed (e.g. on logout,	2024	be automatically cancelled when the client gets destroyed (e.g. on logout,
1623	or loss of connection).	2025	or loss of connection).
1624		2026
1625	=cut	2027	=cut
1626		2028
1627	sub cf::client::coro {	2029	sub cf::client::async {
1628	my ($self, $cb) = @_;	2030	my ($self, $cb) = @_;
1629		2031
1630	my $coro; $coro = async {	2032	my $coro = &Coro::async ($cb);
1631	eval {
1632	$cb->();
1633	};
1634	warn $@ if $@;
1635	};
1636		2033
1637	$coro->on_destroy (sub {	2034	$coro->on_destroy (sub {
1638	delete $self->{_coro}{$coro+0};	2035	delete $self->{_coro}{$coro+0};
1639	});	2036	});
1640		2037
…		…
1812		2209
1813	{	2210	{
1814	my $path = cf::localdir . "/database.pst";	2211	my $path = cf::localdir . "/database.pst";
1815		2212
1816	sub db_load() {	2213	sub db_load() {
1817	warn "loading database $path\n";#d# remove later
1818	$DB = stat $path ? Storable::retrieve $path : { };	2214	$DB = stat $path ? Storable::retrieve $path : { };
1819	}	2215	}
1820		2216
1821	my $pid;	2217	my $pid;
1822		2218
1823	sub db_save() {	2219	sub db_save() {
1824	warn "saving database $path\n";#d# remove later
1825	waitpid $pid, 0 if $pid;	2220	waitpid $pid, 0 if $pid;
1826	if (0 == ($pid = fork)) {	2221	if (0 == ($pid = fork)) {
1827	$DB->{_meta}{version} = 1;	2222	$DB->{_meta}{version} = 1;
1828	Storable::nstore $DB, "$path~";	2223	Storable::nstore $DB, "$path~";
1829	rename "$path~", $path;	2224	rename "$path~", $path;
…		…
1836	sub db_sync() {	2231	sub db_sync() {
1837	db_save if $dirty;	2232	db_save if $dirty;
1838	undef $dirty;	2233	undef $dirty;
1839	}	2234	}
1840		2235
1841	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2236	my $idle = Event->idle (
1842	db_sync;	2237	reentrant => 0,
		2238	min => 10,
		2239	max => 20,
		2240	repeat => 0,
		2241	data => WF_AUTOCANCEL,
		2242	cb => \&db_sync,
1843	});	2243	);
1844		2244
1845	sub db_dirty() {	2245	sub db_dirty() {
1846	$dirty = 1;	2246	$dirty = 1;
1847	$idle->start;	2247	$idle->start;
1848	}	2248	}
…		…
1877	open my $fh, "<:utf8", cf::confdir . "/config"	2277	open my $fh, "<:utf8", cf::confdir . "/config"
1878	or return;	2278	or return;
1879		2279
1880	local $/;	2280	local $/;
1881	*CFG = YAML::Syck::Load <$fh>;	2281	*CFG = YAML::Syck::Load <$fh>;
		2282
		2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2284
		2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2287
		2288	if (exists $CFG{mlockall}) {
		2289	eval {
		2290	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2291	and die "WARNING: m(un)lockall failed: $!\n";
		2292	};
		2293	warn $@ if $@;
		2294	}
1882	}	2295	}
1883		2296
1884	sub main {	2297	sub main {
1885	# we must not ever block the main coroutine	2298	# we must not ever block the main coroutine
1886	local $Coro::idle = sub {	2299	local $Coro::idle = sub {
1887	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2300	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1888	(Coro::unblock_sub {	2301	(async {
1889	Event::one_event;	2302	Event::one_event;
1890	})->();	2303	})->prio (Coro::PRIO_MAX);
1891	};	2304	};
1892		2305
1893	cfg_load;	2306	cfg_load;
1894	db_load;	2307	db_load;
1895	load_extensions;	2308	load_extensions;
		2309
		2310	$TICK_WATCHER->start;
1896	Event::loop;	2311	Event::loop;
1897	}	2312	}
1898		2313
1899	#############################################################################	2314	#############################################################################
1900	# initialisation	2315	# initialisation and cleanup
		2316
		2317	# install some emergency cleanup handlers
		2318	BEGIN {
		2319	for my $signal (qw(INT HUP TERM)) {
		2320	Event->signal (
		2321	reentrant => 0,
		2322	data => WF_AUTOCANCEL,
		2323	signal => $signal,
		2324	prio => 0,
		2325	cb => sub {
		2326	cf::cleanup "SIG$signal";
		2327	},
		2328	);
		2329	}
		2330	}
		2331
		2332	sub emergency_save() {
		2333	my $freeze_guard = cf::freeze_mainloop;
		2334
		2335	warn "enter emergency perl save\n";
		2336
		2337	cf::sync_job {
		2338	# use a peculiar iteration method to avoid tripping on perl
		2339	# refcount bugs in for. also avoids problems with players
		2340	# and maps saved/destroyed asynchronously.
		2341	warn "begin emergency player save\n";
		2342	for my $login (keys %cf::PLAYER) {
		2343	my $pl = $cf::PLAYER{$login} or next;
		2344	$pl->valid or next;
		2345	$pl->save;
		2346	}
		2347	warn "end emergency player save\n";
		2348
		2349	warn "begin emergency map save\n";
		2350	for my $path (keys %cf::MAP) {
		2351	my $map = $cf::MAP{$path} or next;
		2352	$map->valid or next;
		2353	$map->save;
		2354	}
		2355	warn "end emergency map save\n";
		2356	};
		2357
		2358	warn "leave emergency perl save\n";
		2359	}
1901		2360
1902	sub reload() {	2361	sub reload() {
1903	# can/must only be called in main	2362	# can/must only be called in main
1904	if ($Coro::current != $Coro::main) {	2363	if ($Coro::current != $Coro::main) {
1905	warn "can only reload from main coroutine\n";	2364	warn "can only reload from main coroutine";
1906	return;	2365	return;
1907	}	2366	}
1908		2367
1909	warn "reloading...";	2368	warn "reloading...";
1910		2369
1911	local $FREEZE = 1;	2370	warn "cancelling server ticker";
		2371	$TICK_WATCHER->cancel;
		2372
1912	cf::emergency_save;	2373	cf::emergency_save;
1913		2374
1914	eval {	2375	eval {
1915	# if anything goes wrong in here, we should simply crash as we already saved	2376	# if anything goes wrong in here, we should simply crash as we already saved
1916		2377
1917	# cancel all watchers	2378	warn "syncing database to disk";
		2379	cf::db_sync;
		2380
		2381	warn "cancelling all WF_AUTOCANCEL watchers";
1918	for (Event::all_watchers) {	2382	for (Event::all_watchers) {
1919	$_->cancel if $_->data & WF_AUTOCANCEL;	2383	$_->cancel if $_->data & WF_AUTOCANCEL;
1920	}	2384	}
1921		2385
		2386	warn "flushing outstanding aio requests";
		2387	for (;;) {
		2388	IO::AIO::flush;
		2389	Coro::cede;
		2390	last unless IO::AIO::nreqs;
		2391	warn "iterate...";
		2392	}
		2393
1922	# cancel all extension coros	2394	warn "cancelling all extension coros";
1923	$_->cancel for values %EXT_CORO;	2395	$_->cancel for values %EXT_CORO;
1924	%EXT_CORO = ();	2396	%EXT_CORO = ();
1925		2397
1926	# unload all extensions	2398	warn "removing commands";
1927	for (@exts) {	2399	%COMMAND = ();
		2400
		2401	warn "removing ext commands";
		2402	%EXTCMD = ();
		2403
		2404	warn "unloading/nuking all extensions";
		2405	for my $pkg (@EXTS) {
1928	warn "unloading <$_>";	2406	warn "... unloading $pkg";
1929	unload_extension $_;	2407
		2408	if (my $cb = $pkg->can ("unload")) {
		2409	eval {
		2410	$cb->($pkg);
		2411	1
		2412	} or warn "$pkg unloaded, but with errors: $@";
1930	}	2413	}
1931		2414
		2415	warn "... nuking $pkg";
		2416	Symbol::delete_package $pkg;
		2417	}
		2418
1932	# unload all modules loaded from $LIBDIR	2419	warn "unloading all perl modules loaded from $LIBDIR";
1933	while (my ($k, $v) = each %INC) {	2420	while (my ($k, $v) = each %INC) {
1934	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2421	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1935		2422
1936	warn "removing <$k>";	2423	warn "... unloading $k";
1937	delete $INC{$k};	2424	delete $INC{$k};
1938		2425
1939	$k =~ s/\.pm$//;	2426	$k =~ s/\.pm$//;
1940	$k =~ s/\//::/g;	2427	$k =~ s/\//::/g;
1941		2428
…		…
1944	}	2431	}
1945		2432
1946	Symbol::delete_package $k;	2433	Symbol::delete_package $k;
1947	}	2434	}
1948		2435
1949	# sync database to disk
1950	cf::db_sync;
1951	IO::AIO::flush;
1952
1953	# get rid of safe::, as good as possible	2436	warn "getting rid of safe::, as good as possible";
1954	Symbol::delete_package "safe::$_"	2437	Symbol::delete_package "safe::$_"
1955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2438	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1956		2439
1957	# remove register_script_function callbacks
1958	# TODO
1959
1960	# unload cf.pm "a bit"	2440	warn "unloading cf.pm \"a bit\"";
1961	delete $INC{"cf.pm"};	2441	delete $INC{"cf.pm"};
1962		2442
1963	# don't, removes xs symbols, too,	2443	# don't, removes xs symbols, too,
1964	# and global variables created in xs	2444	# and global variables created in xs
1965	#Symbol::delete_package __PACKAGE__;	2445	#Symbol::delete_package __PACKAGE__;
1966		2446
1967	# reload cf.pm	2447	warn "unload completed, starting to reload now";
		2448
1968	warn "reloading cf.pm";	2449	warn "reloading cf.pm";
1969	require cf;	2450	require cf;
1970	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2451	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1971		2452
1972	# load config and database again	2453	warn "loading config and database again";
1973	cf::cfg_load;	2454	cf::cfg_load;
1974	cf::db_load;	2455	cf::db_load;
1975		2456
1976	# load extensions
1977	warn "load extensions";	2457	warn "loading extensions";
1978	cf::load_extensions;	2458	cf::load_extensions;
1979		2459
1980	# reattach attachments to objects	2460	warn "reattaching attachments to objects/players";
1981	warn "reattach";
1982	_global_reattach;	2461	_global_reattach;
		2462	warn "reattaching attachments to maps";
		2463	reattach $_ for values %MAP;
		2464
		2465	warn "restarting server ticker";
		2466
		2467	$TICK_WATCHER->start;
1983	};	2468	};
1984		2469
1985	if ($@) {	2470	if ($@) {
1986	warn $@;	2471	warn $@;
1987	warn "error while reloading, exiting.";	2472	warn "error while reloading, exiting.";
1988	exit 1;	2473	exit 1;
1989	}	2474	}
1990		2475
1991	warn "reloaded successfully";	2476	warn "reloaded";
1992	};	2477	};
1993		2478
1994	#############################################################################	2479	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} = $LINK_MAP;
2035	}
2036
2037	register "<global>", __PACKAGE__;
2038		2480
2039	register_command "reload" => sub {	2481	register_command "reload" => sub {
2040	my ($who, $arg) = @_;	2482	my ($who, $arg) = @_;
2041		2483
2042	if ($who->flag (FLAG_WIZ)) {	2484	if ($who->flag (FLAG_WIZ)) {
2043	$who->message ("start of reload.");	2485	$who->message ("reloading server.");
		2486
		2487	# doing reload synchronously and two reloads happen back-to-back,
		2488	# coro crashes during coro_state_free->destroy here.
		2489
		2490	$RELOAD_WATCHER ||= Event->timer (
		2491	reentrant => 0,
		2492	after => 0,
		2493	data => WF_AUTOCANCEL,
		2494	cb => sub {
2044	reload;	2495	reload;
2045	$who->message ("end of reload.");	2496	undef $RELOAD_WATCHER;
		2497	},
		2498	);
2046	}	2499	}
2047	};	2500	};
2048		2501
2049	unshift @INC, $LIBDIR;	2502	unshift @INC, $LIBDIR;
		2503
		2504	my $bug_warning = 0;
2050		2505
2051	$TICK_WATCHER = Event->timer (	2506	$TICK_WATCHER = Event->timer (
2052	reentrant => 0,	2507	reentrant => 0,
		2508	parked => 1,
2053	prio => 0,	2509	prio => 0,
2054	at => $NEXT_TICK || $TICK,	2510	at => $NEXT_TICK || $TICK,
2055	data => WF_AUTOCANCEL,	2511	data => WF_AUTOCANCEL,
2056	cb => sub {	2512	cb => sub {
2057	unless ($FREEZE) {	2513	if ($Coro::current != $Coro::main) {
		2514	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2515	unless ++$bug_warning > 10;
		2516	return;
		2517	}
		2518
		2519	$NOW = Event::time;
		2520
2058	cf::server_tick; # one server iteration	2521	cf::server_tick; # one server iteration
2059	$RUNTIME += $TICK;	2522	$RUNTIME += $TICK;
2060	}
2061
2062	$NEXT_TICK += $TICK;	2523	$NEXT_TICK += $TICK;
		2524
		2525	$WAIT_FOR_TICK->broadcast;
		2526	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2527
		2528	Event::sweep;
		2529	Coro::cede_notself;
		2530
		2531	# my $AFTER = Event::time;
		2532	# warn $AFTER - $NOW;#d#
2063		2533
2064	# if we are delayed by four ticks or more, skip them all	2534	# if we are delayed by four ticks or more, skip them all
2065	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2066		2536
2067	$TICK_WATCHER->at ($NEXT_TICK);	2537	$TICK_WATCHER->at ($NEXT_TICK);
2068	$TICK_WATCHER->start;	2538	$TICK_WATCHER->start;
2069	},	2539	},
2070	);	2540	);
2071		2541
2072	IO::AIO::max_poll_time $TICK * 0.2;	2542	IO::AIO::max_poll_time $TICK * 0.1;
2073		2543
2074	Event->io (	2544	undef $Coro::AIO::WATCHER;
		2545	$AIO_POLL_WATCHER = Event->io (
		2546	reentrant => 0,
2075	fd => IO::AIO::poll_fileno,	2547	fd => IO::AIO::poll_fileno,
2076	poll => 'r',	2548	poll => 'r',
2077	prio => 5,	2549	prio => 6,
2078	data => WF_AUTOCANCEL,	2550	data => WF_AUTOCANCEL,
2079	cb => \&IO::AIO::poll_cb,	2551	cb => \&IO::AIO::poll_cb,
2080	);	2552	);
2081		2553
2082	Event->timer (	2554	$WRITE_RUNTIME_WATCHER = Event->timer (
		2555	reentrant => 0,
2083	data => WF_AUTOCANCEL,	2556	data => WF_AUTOCANCEL,
2084	after => 0,	2557	after => 1,
2085	interval => 10,	2558	interval => 10,
2086	cb => sub {	2559	prio => 6, # keep it lowest so it acts like a watchdog
2087	(Coro::unblock_sub {	2560	cb => Coro::unblock_sub {
2088	write_runtime	2561	write_runtime
2089	or warn "ERROR: unable to write runtime file: $!";	2562	or warn "ERROR: unable to write runtime file: $!";
2090	})->();
2091	},	2563	},
2092	);	2564	);
2093		2565
		2566	END { cf::emergency_save }
		2567
2094	1	2568	1
2095		2569

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