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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC vs.
Revision 1.202 by root, Mon Jan 29 20:16:28 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 ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
197	=cut	296	=cut
198		297
199	sub sync_job(&) {	298	sub sync_job(&) {
200	my ($job) = @_;	299	my ($job) = @_;
201		300
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	301	if ($Coro::current == $Coro::main) {
		302	# this is the main coro, too bad, we have to block
		303	# till the operation succeeds, freezing the server :/
		304
212	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	306	# (but this is cancel-safe)
		307	my $freeze_guard = freeze_mainloop;
		308
		309	my $busy = 1;
		310	my @res;
		311
		312	(async {
		313	@res = eval { $job->() };
		314	warn $@ if $@;
		315	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
		317
215	while ($busy) {	318	while ($busy) {
216	Coro::cede_notself;	319	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	320	}
		321
		322	wantarray ? @res : $res[0]
219	} else {	323	} else {
220	$coro->join;	324	# we are in another coroutine, how wonderful, everything just works
		325
		326	$job->()
221	}	327	}
222
223	wantarray ? @res : $res[0]
224	}	328	}
225		329
226	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
227		331
228	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
230		334
231	=cut	335	=cut
232		336
233	sub coro(&) {	337	sub async_ext(&) {
234	my $cb = shift;	338	my $cb = shift;
235		339
236	my $coro; $coro = async {	340	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		341
243	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
245	});	344	});
246	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
…		…
252	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
253		352
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
255	or return;	354	or return;
256		355
257	my $value = $cf::RUNTIME;	356	my $value = $cf::RUNTIME + 90 + 10;
		357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	361	and return;
260		362
261	aio_fsync $fh	363	aio_fsync $fh
262	and return;	364	and return;
…		…
271	}	373	}
272		374
273	=back	375	=back
274		376
275	=cut	377	=cut
276
277	#############################################################################
278
279	package cf::path;
280
281	sub new {
282	my ($class, $path, $base) = @_;
283
284	$path = $path->as_string if ref $path;
285
286	my $self = bless { }, $class;
287
288	if ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;
291	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;
294
295	if (defined $1) {
296	$self->{user} = $1;
297	} elsif ($base =~ m{^~([^/]+)/}) {
298	$self->{user} = $1;
299	} else {
300	warn "cannot resolve user-relative path without user <$path,$base>\n";
301	}
302	} elsif ($path =~ /^\//) {
303	# already absolute
304	} else {
305	$base =~ s{[^/]+/?$}{};
306	return $class->new ("$base/$path");
307	}
308
309	for ($path) {
310	redo if s{/\.?/}{/};
311	redo if s{/[^/]+/\.\./}{/};
312	}
313	}
314
315	$self->{path} = $path;
316
317	$self
318	}
319
320	# the name / primary key / in-game path
321	sub as_string {
322	my ($self) = @_;
323
324	$self->{user_rel} ? "~$self->{user}$self->{path}"
325	: $self->{random} ? "?random/$self->{path}"
326	: $self->{path}
327	}
328
329	# the displayed name, this is a one way mapping
330	sub visible_name {
331	my ($self) = @_;
332
333	# if (my $rmp = $self->{random}) {
334	# # todo: be more intelligent about this
335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
336	# } else {
337	$self->as_string
338	# }
339	}
340
341	# escape the /'s in the path
342	sub _escaped_path {
343	# ∕ is U+2215
344	(my $path = $_[0]{path}) =~ s/\//∕/g;
345	$path
346	}
347
348	# the original (read-only) location
349	sub load_path {
350	my ($self) = @_;
351
352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
353	}
354
355	# the temporary/swap location
356	sub save_path {
357	my ($self) = @_;
358
359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
362	}
363
364	# the unique path, might be eq to save_path
365	sub uniq_path {
366	my ($self) = @_;
367
368	$self->{user_rel} || $self->{random}
369	? undef
370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
371	}
372
373	# return random map parameters, or undef
374	sub random_map_params {
375	my ($self) = @_;
376
377	$self->{random}
378	}
379
380	# this is somewhat ugly, but style maps do need special treatment
381	sub is_style_map {
382	$_[0]{path} =~ m{^/styles/}
383	}
384
385	package cf;
386		378
387	#############################################################################	379	#############################################################################
388		380
389	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
390		382
…		…
516	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
517	our @CB_MAP = ();	509	our @CB_MAP = ();
518		510
519	my %attachment;	511	my %attachment;
520		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
521	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
522	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
523		521
524	use sort 'stable';	522	use sort 'stable';
525		523
…		…
696	# object support	694	# object support
697		695
698	sub reattach {	696	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		701
702	my $registry = $obj->registry;	702	my $registry = $obj->registry;
703		703
704	@$registry = ();	704	@$registry = ();
705		705
…		…
776	}	776	}
777	} else {	777	} else {
778	aio_unlink $filename;	778	aio_unlink $filename;
779	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
780	}	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	}
781	}	787	}
782	}	788	}
783		789
784	sub object_freezer_as_string {	790	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	791	my ($rdata, $objs) = @_;
…		…
791		797
792	sub object_thawer_load {	798	sub object_thawer_load {
793	my ($filename) = @_;	799	my ($filename) = @_;
794		800
795	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$//;
796		805
797	(aio_load $filename, $data) >= 0	806	(aio_load $filename, $data) >= 0
798	or return;	807	or return;
799		808
800	unless (aio_stat "$filename.pst") {	809	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	810	(aio_load "$filename.pst", $av) >= 0
802	or return;	811	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	812	$av = eval { (Storable::thaw $av)->{objs} };
804	}	813	}
805		814
		815	warn sprintf "loading %s (%d)\n",
		816	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	817	return ($data, $av);
807	}	818	}
808		819
809	#############################################################################	820	#############################################################################
810	# command handling &c	821	# command handling &c
…		…
835	=cut	846	=cut
836		847
837	sub register_extcmd {	848	sub register_extcmd {
838	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
839		850
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
844	}	852	}
845		853
846	cf::player->attach (	854	cf::player->attach (
847	on_command => sub {	855	on_command => sub {
848	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
861		869
862	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
863		871
864	if (ref $msg) {	872	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	876	}
869	}	877	}
870	} else {	878	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		881
874	cf::override;	882	cf::override;
875	},	883	},
876	);	884	);
877		885
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	886	sub load_extension {
885	my ($path) = @_;	887	my ($path) = @_;
886		888
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	890	my $base = $1;
889	my $pkg = $1;	891	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
892		894
893	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
894		896
895	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
896	or die "$path: $!";	898	or die "$path: $!";
897		899
898	my $source =	900	my $source =
899	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
900	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
901	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
902	. "\n};\n1";	904	. "\n};\n1";
903		905
904	eval $source	906	unless (eval $source) {
905	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
906	: "extension disabled.\n";	908	: "extension disabled.\n";
907		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
908	push @exts, $pkg;	910	warn $@;
909	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
910		912	exit 1;
911	# no strict 'refs';	913	}
912	# @{"$pkg\::ISA"} = ext::;	914	die $@;
913
914	register $base, $pkg;
915	}
916
917	sub unload_extension {
918	my ($pkg) = @_;
919
920	warn "removing extension $pkg\n";
921
922	# remove hooks
923	#TODO
924	# for my $idx (0 .. $#PLUGIN_EVENT) {
925	# delete $hook[$idx]{$pkg};
926	# }	915	}
927		916
928	# remove commands	917	push @EXTS, $pkg;
929	for my $name (keys %COMMAND) {
930	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
931
932	if (@cb) {
933	$COMMAND{$name} = \@cb;
934	} else {
935	delete $COMMAND{$name};
936	}
937	}
938
939	# remove extcmds
940	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
941	delete $EXTCMD{$name};
942	}
943
944	if (my $cb = $pkg->can ("unload")) {
945	eval {
946	$cb->($pkg);
947	1
948	} or warn "$pkg unloaded, but with errors: $@";
949	}
950
951	Symbol::delete_package $pkg;
952	}	918	}
953		919
954	sub load_extensions {	920	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	922	next unless -r $ext;
…		…
960	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
961	}	927	}
962	}	928	}
963		929
964	#############################################################################	930	#############################################################################
965	# load/save/clean perl data associated with a map
966
967	*cf::mapsupport::on_clean = sub {
968	my ($map) = @_;
969
970	my $path = $map->tmpname;
971	defined $path or return;
972
973	unlink "$path.pst";
974	};
975
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977
978	#############################################################################
979	# load/save perl data associated with player->ob objects
980
981	sub all_objects(@) {
982	@_, map all_objects ($_->inv), @_
983	}
984
985	# TODO: compatibility cruft, remove when no longer needed
986	cf::player->attach (
987	on_load => sub {
988	my ($pl, $path) = @_;
989
990	for my $o (all_objects $pl->ob) {
991	if (my $value = $o->get_ob_key_value ("_perl_data")) {
992	$o->set_ob_key_value ("_perl_data");
993
994	%$o = %{ Storable::thaw pack "H*", $value };
995	}
996	}
997	},
998	);
999
1000	#############################################################################
1001		931
1002	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1003		933
1004	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1005		935
		936	=cut
		937
		938	package cf::player;
		939
		940	use Coro::AIO;
		941
1006	=head3 cf::player	942	=head3 cf::player
1007		943
1008	=over 4	944	=over 4
1009		945
1010	=item cf::player::exists $login	946	=item cf::player::find $login
1011		947
1012	Returns true when the given account exists.	948	Returns the given player object, loading it if necessary (might block).
1013		949
1014	=cut	950	=cut
1015		951
1016	sub cf::player::exists($) {	952	sub playerdir($) {
1017	cf::player::find $_[0]	953	cf::localdir
1018	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
1019	}	1100	}
1020		1101
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1102	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1103
1023	Sends an ext reply to the player.	1104	Sends an ext reply to the player.
1024		1105
1025	=cut	1106	=cut
1026		1107
1027	sub cf::player::ext_reply($$$%) {	1108	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1109	my ($self, $id, %msg) = @_;
1029		1110
1030	$msg{msgid} = $id;	1111	$msg{msgid} = $id;
1031		1112
1032	$self->send ("ext " . to_json \%msg);	1113	$self->send ("ext " . cf::to_json \%msg);
1033	}	1114	}
		1115
		1116	package cf;
1034		1117
1035	=back	1118	=back
1036		1119
1037		1120
1038	=head3 cf::map	1121	=head3 cf::map
…		…
1044	package cf::map;	1127	package cf::map;
1045		1128
1046	use Fcntl;	1129	use Fcntl;
1047	use Coro::AIO;	1130	use Coro::AIO;
1048		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1049	our $MAX_RESET = 7200;	1136	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1137	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1138
1054	sub generate_random_map {	1139	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1056
1057	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1142	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$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},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(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, $path
1071	}	1284	}
1072		1285
1073	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1074	# all maps in C++...	1287	# all maps in C++...
1075	sub change_all_map_light {	1288	sub change_all_map_light {
1076	my ($change) = @_;	1289	my ($change) = @_;
1077		1290
1078	$_->change_map_light ($change) for values %cf::MAP;	1291	$_->change_map_light ($change)
		1292	for grep $_->outdoor, values %cf::MAP;
1079	}	1293	}
1080		1294
		1295	sub unlink_save {
		1296	my ($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
1081	sub try_load_header($) {	1308	sub load_header_from($) {
1082	my ($path) = @_;	1309	my ($self, $path) = @_;
1083		1310
1084	utf8::encode $path;	1311	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1312	#aio_open $path, O_RDONLY, 0
		1313	# or return;
		1314
		1315	$self->_load_header ($path)
1086	or return;	1316	or return;
1087		1317
1088	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
1089	or return;	1361	or return;
		1362	$self->prepare_orig;
		1363	}
1090		1364
1091	$map->load_header ($path)	1365	1
1092	or return;
1093
1094	$map->{load_path} = $path;
1095	use Data::Dumper; warn Dumper $map;#d#
1096
1097	$map
1098	}	1366	}
1099		1367
		1368	sub find;
1100	sub find_map {	1369	sub find {
1101	my ($path, $origin) = @_;	1370	my ($path, $origin) = @_;
1102		1371
1103	#warn "find_map<$path,$origin>\n";#d#	1372	$path = normalise $path, $origin && $origin->path;
1104		1373
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1374	cf::lock_wait "map_find:$path";
1106	my $key = $path->as_string;
1107		1375
1108	$cf::MAP{$key} || do {	1376	$cf::MAP{$path} || do {
1109	# do it the slow way	1377	my $guard = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1378	my $map = new_from_path cf::map $path
1111
1112	if ($map) {
1113	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {
1117	if (my $rmp = $path->random_map_params) {
1118	$map = generate_random_map $key, $rmp;
1119	} else {
1120	$map = try_load_header $path->load_path;
1121	}
1122
1123	$map or return;	1379	or return;
1124		1380
1125	$map->{load_original} = 1;
1126	$map->{instantiate_time} = $cf::RUNTIME;
1127	$map->instantiate;
1128
1129	# per-player maps become, after loading, normal maps
1130	$map->per_player (0) if $path->{user_rel};
1131	}
1132
1133	$map->path ($key);
1134	$map->{path} = $path;
1135	$map->last_access ($cf::RUNTIME);	1381	$map->{last_save} = $cf::RUNTIME;
1136		1382
1137	$map->reset if $map->should_reset;	1383	$map->load_header
		1384	or return;
1138		1385
		1386	if ($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;
		1389	$map->reset;
		1390	undef $guard;
		1391	return find $path;
		1392	}
		1393
1139	$cf::MAP{$key} = $map	1394	$cf::MAP{$path} = $map
1140	}	1395	}
1141	}	1396	}
		1397
		1398	sub pre_load { }
		1399	sub post_load { }
1142		1400
1143	sub load {	1401	sub load {
1144	my ($self) = @_;	1402	my ($self) = @_;
1145		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
1146	return if $self->in_memory != cf::MAP_SWAPPED;	1409	return if $self->in_memory != cf::MAP_SWAPPED;
1147		1410
1148	$self->in_memory (cf::MAP_LOADING);	1411	$self->in_memory (cf::MAP_LOADING);
1149		1412
1150	my $path = $self->{path};
1151
1152	$self->alloc;	1413	$self->alloc;
		1414
		1415	$self->pre_load;
		1416
1153	$self->load_objects ($self->{load_path}, 1)	1417	$self->_load_objects ($self->{load_path}, 1)
1154	or return;	1418	or return;
1155		1419
1156	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) if delete $self->{load_original};	1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1421	if delete $self->{load_original};
1157		1422
1158	if (my $uniq = $path->uniq_path) {	1423	if (my $uniq = $self->uniq_path) {
1159	utf8::encode $uniq;	1424	utf8::encode $uniq;
1160	if (aio_open $uniq, O_RDONLY, 0) {	1425	if (aio_open $uniq, O_RDONLY, 0) {
1161	$self->clear_unique_items;	1426	$self->clear_unique_items;
1162	$self->load_objects ($uniq, 0);	1427	$self->_load_objects ($uniq, 0);
1163	}	1428	}
1164	}	1429	}
		1430
		1431	Coro::cede;
1165		1432
1166	# now do the right thing for maps	1433	# now do the right thing for maps
1167	$self->link_multipart_objects;	1434	$self->link_multipart_objects;
1168		1435
1169	if ($self->{path}->is_style_map) {	1436	unless ($self->{deny_activate}) {
1170	$self->{deny_save} = 1;	1437	$self->decay_objects;
1171	$self->{deny_reset} = 1;
1172	} else {
1173	$self->fix_auto_apply;	1438	$self->fix_auto_apply;
1174	$self->decay_objects;
1175	$self->update_buttons;	1439	$self->update_buttons;
		1440	Coro::cede;
1176	$self->set_darkness_map;	1441	$self->set_darkness_map;
1177	$self->difficulty ($self->estimate_difficulty)	1442	$self->difficulty ($self->estimate_difficulty)
1178	unless $self->difficulty;	1443	unless $self->difficulty;
		1444	Coro::cede;
1179	$self->activate;	1445	$self->activate;
1180	}	1446	}
1181		1447
		1448	$self->post_load;
		1449
1182	$self->in_memory (cf::MAP_IN_MEMORY);	1450	$self->in_memory (cf::MAP_IN_MEMORY);
1183	}	1451	}
1184		1452
1185	sub load_map_sync {	1453	sub customise_for {
		1454	my ($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	$neigh->load;
		1483	}
		1484	}
		1485
		1486	sub find_sync {
1186	my ($path, $origin) = @_;	1487	my ($path, $origin) = @_;
1187		1488
1188	#warn "load_map_sync<$path, $origin>\n";#d#	1489	cf::sync_job { find $path, $origin }
		1490	}
1189		1491
1190	cf::sync_job {	1492	sub do_load_sync {
1191	my $map = cf::map::find_map $path, $origin	1493	my ($map) = @_;
1192	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;
1193	$map->load;	1516	$map->load;
1194	$map	1517
		1518	delete $MAP_PREFETCH{$path};
		1519	}
		1520	}
		1521	undef $MAP_PREFETCHER;
1195	}	1522	};
		1523	$MAP_PREFETCHER->prio (6);
		1524
		1525	()
1196	}	1526	}
1197		1527
1198	sub save {	1528	sub save {
1199	my ($self) = @_;	1529	my ($self) = @_;
1200		1530
1201	my $save = $self->{path}->save_path; utf8::encode $save;	1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
1202	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1203		1532
1204	$self->{last_save} = $cf::RUNTIME;	1533	$self->{last_save} = $cf::RUNTIME;
1205		1534
1206	return unless $self->dirty;	1535	return unless $self->dirty;
1207		1536
		1537	my $save = $self->save_path; utf8::encode $save;
		1538	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1539
1208	$self->{load_path} = $save;	1540	$self->{load_path} = $save;
1209		1541
1210	return if $self->{deny_save};	1542	return if $self->{deny_save};
1211		1543
1212	warn "saving map ", $self->path;	1544	local $self->{last_access} = $self->last_access;#d#
		1545
		1546	cf::async {
		1547	$_->contr->save for $self->players;
		1548	};
1213		1549
1214	if ($uniq) {	1550	if ($uniq) {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1216	$self->save_objects ($uniq, cf::IO_UNIQUES);	1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1217	} else {	1553	} else {
1218	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1219	}	1555	}
1220	}	1556	}
1221		1557
1222	sub swap_out {	1558	sub swap_out {
1223	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;
1224		1565
1225	return if $self->players;	1566	return if $self->players;
1226	return if $self->in_memory != cf::MAP_IN_MEMORY;	1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1227	return if $self->{deny_save};	1568	return if $self->{deny_save};
1228		1569
1229	$self->save;
1230	$self->clear;	1570	$self->clear;
1231	$self->in_memory (cf::MAP_SWAPPED);	1571	$self->in_memory (cf::MAP_SWAPPED);
1232	}	1572	}
1233		1573
		1574	sub reset_at {
		1575	my ($self) = @_;
		1576
		1577	# TODO: safety, remove and allow resettable per-player maps
		1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1579	return 1e99 if $self->{deny_reset};
		1580
		1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1583
		1584	$time + $to
		1585	}
		1586
1234	sub should_reset {	1587	sub should_reset {
1235	my ($map) = @_;
1236
1237	# TODO: safety, remove and allow resettable per-player maps
1238	return if $map->{path}{user_rel};#d#
1239	return if $map->{deny_reset};
1240	#return unless $map->reset_timeout;
1241
1242	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1243	my $to = $map->reset_timeout || $DEFAULT_RESET;
1244	$to = $MAX_RESET if $to > $MAX_RESET;
1245
1246	$time + $to < $cf::RUNTIME
1247	}
1248
1249	sub unlink_save {
1250	my ($self) = @_;	1588	my ($self) = @_;
1251		1589
1252	utf8::encode (my $save = $self->{path}->save_path);	1590	$self->reset_at <= $cf::RUNTIME
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1255	}	1591	}
1256		1592
1257	sub reset {	1593	sub reset {
1258	my ($self) = @_;	1594	my ($self) = @_;
1259		1595
		1596	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1597
1260	return if $self->players;	1598	return if $self->players;
1261	return if $self->{path}{user_rel};#d#	1599	return if $self->isa ("ext::map_per_player");#d#
1262		1600
1263	warn "resetting map ", $self->path;#d#	1601	warn "resetting map ", $self->path;#d#
1264		1602
1265	delete $cf::MAP{$self->path};	1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->in_memory (cf::MAP_SWAPPED);
		1606	$self->clear;
1266		1607
1267	$_->clear_links_to ($self) for values %cf::MAP;	1608	$_->clear_links_to ($self) for values %cf::MAP;
1268		1609
1269	$self->unlink_save;	1610	$self->unlink_save;
1270	$self->destroy;	1611	$self->destroy;
1271	}	1612	}
1272		1613
1273	sub customise_for {	1614	my $nuke_counter = "aaaa";
1274	my ($map, $ob) = @_;
1275		1615
1276	if ($map->per_player) {	1616	sub nuke {
1277	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1617	my ($self) = @_;
1278	}
1279		1618
1280	$map	1619	delete $cf::MAP{$self->path};
1281	}
1282		1620
1283	sub emergency_save {	1621	$self->unlink_save;
1284	local $cf::FREEZE = 1;
1285		1622
1286	warn "enter emergency map save\n";	1623	bless $self, "cf::map";
		1624	delete $self->{deny_reset};
		1625	$self->{deny_save} = 1;
		1626	$self->reset_timeout (1);
		1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1287		1628
1288	cf::sync_job {	1629	$cf::MAP{$self->path} = $self;
1289	warn "begin emergency map save\n";	1630
1290	$_->save for values %cf::MAP;	1631	$self->reset; # polite request, might not happen
		1632	}
		1633
		1634	=item cf::map::unique_maps
		1635
		1636	Returns an arrayref of paths of all shared maps that have
		1637	instantiated unique items. May block.
		1638
		1639	=cut
		1640
		1641	sub unique_maps() {
		1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1643	or return;
		1644
		1645	my @paths;
		1646
		1647	for (@$files) {
		1648	utf8::decode $_;
		1649	next if /\.pst$/;
		1650	next unless /^$PATH_SEP/o;
		1651
		1652	push @paths, cf::map::normalise $_;
1291	};	1653	}
1292		1654
1293	warn "end emergency map save\n";	1655	\@paths
1294	}	1656	}
1295		1657
1296	package cf;	1658	package cf;
1297		1659
1298	=back	1660	=back
1299		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
1300		1688
1301	=head3 cf::object::player	1689	=head3 cf::object::player
1302		1690
1303	=over 4	1691	=over 4
1304		1692
…		…
1340	(ref $cf::CFG{"may_$access"}	1728	(ref $cf::CFG{"may_$access"}
1341	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1729	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1342	: $cf::CFG{"may_$access"})	1730	: $cf::CFG{"may_$access"})
1343	}	1731	}
1344		1732
		1733	=item $player_object->enter_link
		1734
		1735	Freezes the player and moves him/her to a special map (C<{link}>).
		1736
		1737	The player should be reasonably safe there for short amounts of time. You
		1738	I<MUST> call C<leave_link> as soon as possible, though.
		1739
		1740	Will never block.
		1741
		1742	=item $player_object->leave_link ($map, $x, $y)
		1743
		1744	Moves the player out of the special C<{link}> map onto the specified
		1745	map. If the map is not valid (or omitted), the player will be moved back
		1746	to the location he/she was before the call to C<enter_link>, or, if that
		1747	fails, to the emergency map position.
		1748
		1749	Might block.
		1750
		1751	=cut
		1752
		1753	sub link_map {
		1754	unless ($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	$LINK_MAP
		1761	}
		1762
1345	sub cf::object::player::enter_link {	1763	sub cf::object::player::enter_link {
1346	my ($self) = @_;	1764	my ($self) = @_;
1347		1765
1348	return if $self->map == $LINK_MAP;	1766	$self->deactivate_recursive;
1349		1767
		1768	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1769
1350	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1351	if $self->map;	1771	if $self->map;
1352		1772
1353	$self->enter_map ($LINK_MAP, 20, 20);	1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1354	$self->deactivate_recursive;
1355	}	1774	}
1356		1775
1357	sub cf::object::player::leave_link {	1776	sub cf::object::player::leave_link {
1358	my ($self, $map, $x, $y) = @_;	1777	my ($self, $map, $x, $y) = @_;
1359		1778
1360	my $link_pos = delete $self->{_link_pos};	1779	my $link_pos = delete $self->{_link_pos};
1361		1780
1362	unless ($map) {	1781	unless ($map) {
1363	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1364
1365	# restore original map position	1782	# restore original map position
1366	($map, $x, $y) = @{ $link_pos || [] };	1783	($map, $x, $y) = @{ $link_pos || [] };
1367	$map = cf::map::find_map $map;	1784	$map = cf::map::find $map;
1368		1785
1369	unless ($map) {	1786	unless ($map) {
1370	($map, $x, $y) = @$EMERGENCY_POSITION;	1787	($map, $x, $y) = @$EMERGENCY_POSITION;
1371	$map = cf::map::find_map $map	1788	$map = cf::map::find $map
1372	or die "FATAL: cannot load emergency map\n";	1789	or die "FATAL: cannot load emergency map\n";
1373	}	1790	}
1374	}	1791	}
1375		1792
1376	($x, $y) = (-1, -1)	1793	($x, $y) = (-1, -1)
…		…
1379	# use -1 or undef as default coordinates, not 0, 0	1796	# use -1 or undef as default coordinates, not 0, 0
1380	($x, $y) = ($map->enter_x, $map->enter_y)	1797	($x, $y) = ($map->enter_x, $map->enter_y)
1381	if $x <=0 && $y <= 0;	1798	if $x <=0 && $y <= 0;
1382		1799
1383	$map->load;	1800	$map->load;
		1801	$map->load_diag;
1384		1802
		1803	return unless $self->contr->active;
1385	$self->activate_recursive;	1804	$self->activate_recursive;
1386	$self->enter_map ($map, $x, $y);	1805	$self->enter_map ($map, $x, $y);
1387	}	1806	}
1388		1807
		1808	cf::player->attach (
		1809	on_logout => sub {
		1810	my ($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
1389	=item $player_object->goto_map ($map, $x, $y)	1840	=item $player_object->goto ($path, $x, $y)
1390		1841
1391	=cut	1842	=cut
1392		1843
1393	sub cf::object::player::goto_map {	1844	sub cf::object::player::goto {
1394	my ($self, $path, $x, $y) = @_;	1845	my ($self, $path, $x, $y) = @_;
1395		1846
1396	$self->enter_link;	1847	$self->enter_link;
1397		1848
1398	(Coro::async {	1849	(async {
1399	$path = new cf::path $path;	1850	my $map = eval {
1400
1401	my $map = cf::map::find_map $path->as_string;	1851	my $map = cf::map::find $path;
1402	$map = $map->customise_for ($self) if $map;	1852	$map = $map->customise_for ($self) if $map;
1403
1404	warn "entering ", $map->path, " at ($x, $y)\n"
1405	if $map;	1853	$map
		1854	} or
		1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1406		1856
1407	$self->leave_link ($map, $x, $y);	1857	$self->leave_link ($map, $x, $y);
1408	})->prio (1);	1858	})->prio (1);
1409	}	1859	}
1410		1860
…		…
1414		1864
1415	sub parse_random_map_params {	1865	sub parse_random_map_params {
1416	my ($spec) = @_;	1866	my ($spec) = @_;
1417		1867
1418	my $rmp = { # defaults	1868	my $rmp = { # defaults
1419	xsize => 10,	1869	xsize => (cf::rndm 15, 40),
1420	ysize => 10,	1870	ysize => (cf::rndm 15, 40),
		1871	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1872	#layout => string,
1421	};	1873	};
1422		1874
1423	for (split /\n/, $spec) {	1875	for (split /\n/, $spec) {
1424	my ($k, $v) = split /\s+/, $_, 2;	1876	my ($k, $v) = split /\s+/, $_, 2;
1425		1877
…		…
1429	$rmp	1881	$rmp
1430	}	1882	}
1431		1883
1432	sub prepare_random_map {	1884	sub prepare_random_map {
1433	my ($exit) = @_;	1885	my ($exit) = @_;
		1886
		1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1434		1888
1435	# all this does is basically replace the /! path by	1889	# all this does is basically replace the /! path by
1436	# a new random map path (?random/...) with a seed	1890	# a new random map path (?random/...) with a seed
1437	# that depends on the exit object	1891	# that depends on the exit object
1438		1892
1439	my $rmp = parse_random_map_params $exit->msg;	1893	my $rmp = parse_random_map_params $exit->msg;
1440		1894
1441	if ($exit->map) {	1895	if ($exit->map) {
1442	$rmp->{region} = $exit->map->region_name;	1896	$rmp->{region} = $exit->region->name;
1443	$rmp->{origin_map} = $exit->map->path;	1897	$rmp->{origin_map} = $exit->map->path;
1444	$rmp->{origin_x} = $exit->x;	1898	$rmp->{origin_x} = $exit->x;
1445	$rmp->{origin_y} = $exit->y;	1899	$rmp->{origin_y} = $exit->y;
1446	}	1900	}
1447		1901
1448	$rmp->{random_seed} ||= $exit->random_seed;	1902	$rmp->{random_seed} ||= $exit->random_seed;
1449		1903
1450	my $data = cf::to_json $rmp;	1904	my $data = cf::to_json $rmp;
1451	my $md5 = Digest::MD5::md5_hex $data;	1905	my $md5 = Digest::MD5::md5_hex $data;
		1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1452		1907
1453	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) {
1454	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;
1455		1912
1456	$exit->slaying ("?random/$md5");	1913	$exit->slaying ("?random/$md5");
1457	$exit->msg (undef);	1914	$exit->msg (undef);
1458	}	1915	}
1459	}	1916	}
…		…
1461	sub cf::object::player::enter_exit {	1918	sub cf::object::player::enter_exit {
1462	my ($self, $exit) = @_;	1919	my ($self, $exit) = @_;
1463		1920
1464	return unless $self->type == cf::PLAYER;	1921	return unless $self->type == cf::PLAYER;
1465		1922
		1923	if ($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
1466	$self->enter_link;	1932	$self->enter_link;
1467		1933
1468	(Coro::async {	1934	(async {
		1935	$self->deactivate_recursive; # just to be sure
1469	unless (eval {	1936	unless (eval {
1470		1937	$self->goto ($slaying, $hp, $sp);
1471	prepare_random_map $exit
1472	if $exit->slaying eq "/!";
1473
1474	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1475	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1476		1938
1477	1;	1939	1;
1478	}) {	1940	}) {
1479	$self->message ("Something went wrong deep within the crossfire server. "	1941	$self->message ("Something went wrong deep within the crossfire server. "
1480	. "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. "
1481	. "Please report this to the dungeon master",	1943	. "Please report this to the dungeon master!",
1482	cf::NDI_UNIQUE | cf::NDI_RED);	1944	cf::NDI_UNIQUE | cf::NDI_RED);
1483		1945
1484	warn "ERROR in enter_exit: $@";	1946	warn "ERROR in enter_exit: $@";
1485	$self->leave_link;	1947	$self->leave_link;
1486	}	1948	}
…		…
1537	on_reply => sub {	1999	on_reply => sub {
1538	my ($ns, $msg) = @_;	2000	my ($ns, $msg) = @_;
1539		2001
1540	# this weird shuffling is so that direct followup queries	2002	# this weird shuffling is so that direct followup queries
1541	# get handled first	2003	# get handled first
1542	my $queue = delete $ns->{query_queue};	2004	my $queue = delete $ns->{query_queue}
		2005	or return; # be conservative, not sure how that can happen, but we saw a crash here
1543		2006
1544	(shift @$queue)->[1]->($msg);	2007	(shift @$queue)->[1]->($msg);
		2008	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1545		2009
1546	push @{ $ns->{query_queue} }, @$queue;	2010	push @{ $ns->{query_queue} }, @$queue;
1547		2011
1548	if (@{ $ns->{query_queue} } == @$queue) {	2012	if (@{ $ns->{query_queue} } == @$queue) {
1549	if (@$queue) {	2013	if (@$queue) {
…		…
1553	}	2017	}
1554	}	2018	}
1555	},	2019	},
1556	);	2020	);
1557		2021
1558	=item $client->coro (\&cb)	2022	=item $client->async (\&cb)
1559		2023
1560	Create a new coroutine, running the specified callback. The coroutine will	2024	Create a new coroutine, running the specified callback. The coroutine will
1561	be automatically cancelled when the client gets destroyed (e.g. on logout,	2025	be automatically cancelled when the client gets destroyed (e.g. on logout,
1562	or loss of connection).	2026	or loss of connection).
1563		2027
1564	=cut	2028	=cut
1565		2029
1566	sub cf::client::coro {	2030	sub cf::client::async {
1567	my ($self, $cb) = @_;	2031	my ($self, $cb) = @_;
1568		2032
1569	my $coro; $coro = async {	2033	my $coro = &Coro::async ($cb);
1570	eval {
1571	$cb->();
1572	};
1573	warn $@ if $@;
1574	};
1575		2034
1576	$coro->on_destroy (sub {	2035	$coro->on_destroy (sub {
1577	delete $self->{_coro}{$coro+0};	2036	delete $self->{_coro}{$coro+0};
1578	});	2037	});
1579		2038
…		…
1751		2210
1752	{	2211	{
1753	my $path = cf::localdir . "/database.pst";	2212	my $path = cf::localdir . "/database.pst";
1754		2213
1755	sub db_load() {	2214	sub db_load() {
1756	warn "loading database $path\n";#d# remove later
1757	$DB = stat $path ? Storable::retrieve $path : { };	2215	$DB = stat $path ? Storable::retrieve $path : { };
1758	}	2216	}
1759		2217
1760	my $pid;	2218	my $pid;
1761		2219
1762	sub db_save() {	2220	sub db_save() {
1763	warn "saving database $path\n";#d# remove later
1764	waitpid $pid, 0 if $pid;	2221	waitpid $pid, 0 if $pid;
1765	if (0 == ($pid = fork)) {	2222	if (0 == ($pid = fork)) {
1766	$DB->{_meta}{version} = 1;	2223	$DB->{_meta}{version} = 1;
1767	Storable::nstore $DB, "$path~";	2224	Storable::nstore $DB, "$path~";
1768	rename "$path~", $path;	2225	rename "$path~", $path;
…		…
1775	sub db_sync() {	2232	sub db_sync() {
1776	db_save if $dirty;	2233	db_save if $dirty;
1777	undef $dirty;	2234	undef $dirty;
1778	}	2235	}
1779		2236
1780	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2237	my $idle = Event->idle (
1781	db_sync;	2238	reentrant => 0,
		2239	min => 10,
		2240	max => 20,
		2241	repeat => 0,
		2242	data => WF_AUTOCANCEL,
		2243	cb => \&db_sync,
1782	});	2244	);
1783		2245
1784	sub db_dirty() {	2246	sub db_dirty() {
1785	$dirty = 1;	2247	$dirty = 1;
1786	$idle->start;	2248	$idle->start;
1787	}	2249	}
…		…
1816	open my $fh, "<:utf8", cf::confdir . "/config"	2278	open my $fh, "<:utf8", cf::confdir . "/config"
1817	or return;	2279	or return;
1818		2280
1819	local $/;	2281	local $/;
1820	*CFG = YAML::Syck::Load <$fh>;	2282	*CFG = YAML::Syck::Load <$fh>;
		2283
		2284	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2285
		2286	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2287	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2288
		2289	if (exists $CFG{mlockall}) {
		2290	eval {
		2291	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2292	and die "WARNING: m(un)lockall failed: $!\n";
		2293	};
		2294	warn $@ if $@;
		2295	}
1821	}	2296	}
1822		2297
1823	sub main {	2298	sub main {
1824	# we must not ever block the main coroutine	2299	# we must not ever block the main coroutine
1825	local $Coro::idle = sub {	2300	local $Coro::idle = sub {
1826	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2301	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1827	(Coro::unblock_sub {	2302	(async {
1828	Event::one_event;	2303	Event::one_event;
1829	})->();	2304	})->prio (Coro::PRIO_MAX);
1830	};	2305	};
1831		2306
1832	cfg_load;	2307	cfg_load;
1833	db_load;	2308	db_load;
1834	load_extensions;	2309	load_extensions;
		2310
		2311	$TICK_WATCHER->start;
1835	Event::loop;	2312	Event::loop;
1836	}	2313	}
1837		2314
1838	#############################################################################	2315	#############################################################################
1839	# initialisation	2316	# initialisation and cleanup
		2317
		2318	# install some emergency cleanup handlers
		2319	BEGIN {
		2320	for my $signal (qw(INT HUP TERM)) {
		2321	Event->signal (
		2322	reentrant => 0,
		2323	data => WF_AUTOCANCEL,
		2324	signal => $signal,
		2325	prio => 0,
		2326	cb => sub {
		2327	cf::cleanup "SIG$signal";
		2328	},
		2329	);
		2330	}
		2331	}
		2332
		2333	sub emergency_save() {
		2334	my $freeze_guard = cf::freeze_mainloop;
		2335
		2336	warn "enter emergency perl save\n";
		2337
		2338	cf::sync_job {
		2339	# use a peculiar iteration method to avoid tripping on perl
		2340	# refcount bugs in for. also avoids problems with players
		2341	# and maps saved/destroyed asynchronously.
		2342	warn "begin emergency player save\n";
		2343	for my $login (keys %cf::PLAYER) {
		2344	my $pl = $cf::PLAYER{$login} or next;
		2345	$pl->valid or next;
		2346	$pl->save;
		2347	}
		2348	warn "end emergency player save\n";
		2349
		2350	warn "begin emergency map save\n";
		2351	for my $path (keys %cf::MAP) {
		2352	my $map = $cf::MAP{$path} or next;
		2353	$map->valid or next;
		2354	$map->save;
		2355	}
		2356	warn "end emergency map save\n";
		2357	};
		2358
		2359	warn "leave emergency perl save\n";
		2360	}
1840		2361
1841	sub reload() {	2362	sub reload() {
1842	# can/must only be called in main	2363	# can/must only be called in main
1843	if ($Coro::current != $Coro::main) {	2364	if ($Coro::current != $Coro::main) {
1844	warn "can only reload from main coroutine\n";	2365	warn "can only reload from main coroutine";
1845	return;	2366	return;
1846	}	2367	}
1847		2368
1848	warn "reloading...";	2369	warn "reloading...";
1849		2370
1850	local $FREEZE = 1;	2371	warn "cancelling server ticker";
		2372	$TICK_WATCHER->cancel;
		2373
1851	cf::emergency_save;	2374	cf::emergency_save;
1852		2375
1853	eval {	2376	eval {
1854	# if anything goes wrong in here, we should simply crash as we already saved	2377	# if anything goes wrong in here, we should simply crash as we already saved
1855		2378
1856	# cancel all watchers	2379	warn "syncing database to disk";
		2380	cf::db_sync;
		2381
		2382	warn "cancelling all WF_AUTOCANCEL watchers";
1857	for (Event::all_watchers) {	2383	for (Event::all_watchers) {
1858	$_->cancel if $_->data & WF_AUTOCANCEL;	2384	$_->cancel if $_->data & WF_AUTOCANCEL;
1859	}	2385	}
1860		2386
		2387	warn "flushing outstanding aio requests";
		2388	for (;;) {
		2389	IO::AIO::flush;
		2390	Coro::cede;
		2391	last unless IO::AIO::nreqs;
		2392	warn "iterate...";
		2393	}
		2394
1861	# cancel all extension coros	2395	warn "cancelling all extension coros";
1862	$_->cancel for values %EXT_CORO;	2396	$_->cancel for values %EXT_CORO;
1863	%EXT_CORO = ();	2397	%EXT_CORO = ();
1864		2398
1865	# unload all extensions	2399	warn "removing commands";
1866	for (@exts) {	2400	%COMMAND = ();
		2401
		2402	warn "removing ext commands";
		2403	%EXTCMD = ();
		2404
		2405	warn "unloading/nuking all extensions";
		2406	for my $pkg (@EXTS) {
1867	warn "unloading <$_>";	2407	warn "... unloading $pkg";
1868	unload_extension $_;	2408
		2409	if (my $cb = $pkg->can ("unload")) {
		2410	eval {
		2411	$cb->($pkg);
		2412	1
		2413	} or warn "$pkg unloaded, but with errors: $@";
1869	}	2414	}
1870		2415
		2416	warn "... nuking $pkg";
		2417	Symbol::delete_package $pkg;
		2418	}
		2419
1871	# unload all modules loaded from $LIBDIR	2420	warn "unloading all perl modules loaded from $LIBDIR";
1872	while (my ($k, $v) = each %INC) {	2421	while (my ($k, $v) = each %INC) {
1873	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2422	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1874		2423
1875	warn "removing <$k>";	2424	warn "... unloading $k";
1876	delete $INC{$k};	2425	delete $INC{$k};
1877		2426
1878	$k =~ s/\.pm$//;	2427	$k =~ s/\.pm$//;
1879	$k =~ s/\//::/g;	2428	$k =~ s/\//::/g;
1880		2429
…		…
1883	}	2432	}
1884		2433
1885	Symbol::delete_package $k;	2434	Symbol::delete_package $k;
1886	}	2435	}
1887		2436
1888	# sync database to disk
1889	cf::db_sync;
1890	IO::AIO::flush;
1891
1892	# get rid of safe::, as good as possible	2437	warn "getting rid of safe::, as good as possible";
1893	Symbol::delete_package "safe::$_"	2438	Symbol::delete_package "safe::$_"
1894	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2439	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1895		2440
1896	# remove register_script_function callbacks
1897	# TODO
1898
1899	# unload cf.pm "a bit"	2441	warn "unloading cf.pm \"a bit\"";
1900	delete $INC{"cf.pm"};	2442	delete $INC{"cf.pm"};
1901		2443
1902	# don't, removes xs symbols, too,	2444	# don't, removes xs symbols, too,
1903	# and global variables created in xs	2445	# and global variables created in xs
1904	#Symbol::delete_package __PACKAGE__;	2446	#Symbol::delete_package __PACKAGE__;
1905		2447
1906	# reload cf.pm	2448	warn "unload completed, starting to reload now";
		2449
1907	warn "reloading cf.pm";	2450	warn "reloading cf.pm";
1908	require cf;	2451	require cf;
1909	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2452	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1910		2453
1911	# load config and database again	2454	warn "loading config and database again";
1912	cf::cfg_load;	2455	cf::cfg_load;
1913	cf::db_load;	2456	cf::db_load;
1914		2457
1915	# load extensions
1916	warn "load extensions";	2458	warn "loading extensions";
1917	cf::load_extensions;	2459	cf::load_extensions;
1918		2460
1919	# reattach attachments to objects	2461	warn "reattaching attachments to objects/players";
1920	warn "reattach";
1921	_global_reattach;	2462	_global_reattach;
		2463	warn "reattaching attachments to maps";
		2464	reattach $_ for values %MAP;
		2465
		2466	warn "restarting server ticker";
		2467
		2468	$TICK_WATCHER->start;
1922	};	2469	};
1923		2470
1924	if ($@) {	2471	if ($@) {
1925	warn $@;	2472	warn $@;
1926	warn "error while reloading, exiting.";	2473	warn "error while reloading, exiting.";
1927	exit 1;	2474	exit 1;
1928	}	2475	}
1929		2476
1930	warn "reloaded successfully";	2477	warn "reloaded";
1931	};	2478	};
1932		2479
1933	#############################################################################	2480	our $RELOAD_WATCHER; # used only during reload
1934
1935	unless ($LINK_MAP) {
1936	$LINK_MAP = cf::map::new;
1937
1938	$LINK_MAP->width (41);
1939	$LINK_MAP->height (41);
1940	$LINK_MAP->alloc;
1941	$LINK_MAP->path ("{link}");
1942	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1943	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1944
1945	# dirty hack because... archetypes are not yet loaded
1946	Event->timer (
1947	after => 2,
1948	cb => sub {
1949	$_[0]->w->cancel;
1950
1951	# provide some exits "home"
1952	my $exit = cf::object::new "exit";
1953
1954	$exit->slaying ($EMERGENCY_POSITION->[0]);
1955	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1956	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1957
1958	$LINK_MAP->insert ($exit->clone, 19, 19);
1959	$LINK_MAP->insert ($exit->clone, 19, 20);
1960	$LINK_MAP->insert ($exit->clone, 19, 21);
1961	$LINK_MAP->insert ($exit->clone, 20, 19);
1962	$LINK_MAP->insert ($exit->clone, 20, 21);
1963	$LINK_MAP->insert ($exit->clone, 21, 19);
1964	$LINK_MAP->insert ($exit->clone, 21, 20);
1965	$LINK_MAP->insert ($exit->clone, 21, 21);
1966
1967	$exit->destroy;
1968	});
1969
1970	$LINK_MAP->{deny_save} = 1;
1971	$LINK_MAP->{deny_reset} = 1;
1972
1973	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1974	}
1975
1976	register "<global>", __PACKAGE__;
1977		2481
1978	register_command "reload" => sub {	2482	register_command "reload" => sub {
1979	my ($who, $arg) = @_;	2483	my ($who, $arg) = @_;
1980		2484
1981	if ($who->flag (FLAG_WIZ)) {	2485	if ($who->flag (FLAG_WIZ)) {
1982	$who->message ("start of reload.");	2486	$who->message ("reloading server.");
		2487
		2488	# doing reload synchronously and two reloads happen back-to-back,
		2489	# coro crashes during coro_state_free->destroy here.
		2490
		2491	$RELOAD_WATCHER ||= Event->timer (
		2492	reentrant => 0,
		2493	after => 0,
		2494	data => WF_AUTOCANCEL,
		2495	cb => sub {
1983	reload;	2496	reload;
1984	$who->message ("end of reload.");	2497	undef $RELOAD_WATCHER;
		2498	},
		2499	);
1985	}	2500	}
1986	};	2501	};
1987		2502
1988	unshift @INC, $LIBDIR;	2503	unshift @INC, $LIBDIR;
		2504
		2505	my $bug_warning = 0;
1989		2506
1990	$TICK_WATCHER = Event->timer (	2507	$TICK_WATCHER = Event->timer (
1991	reentrant => 0,	2508	reentrant => 0,
		2509	parked => 1,
1992	prio => 0,	2510	prio => 0,
1993	at => $NEXT_TICK || $TICK,	2511	at => $NEXT_TICK || $TICK,
1994	data => WF_AUTOCANCEL,	2512	data => WF_AUTOCANCEL,
1995	cb => sub {	2513	cb => sub {
1996	unless ($FREEZE) {	2514	if ($Coro::current != $Coro::main) {
		2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2516	unless ++$bug_warning > 10;
		2517	return;
		2518	}
		2519
		2520	$NOW = Event::time;
		2521
1997	cf::server_tick; # one server iteration	2522	cf::server_tick; # one server iteration
1998	$RUNTIME += $TICK;	2523	$RUNTIME += $TICK;
1999	}
2000
2001	$NEXT_TICK += $TICK;	2524	$NEXT_TICK += $TICK;
		2525
		2526	$WAIT_FOR_TICK->broadcast;
		2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2528
		2529	Event::sweep;
		2530	Coro::cede_notself;
		2531
		2532	# my $AFTER = Event::time;
		2533	# warn $AFTER - $NOW;#d#
2002		2534
2003	# if we are delayed by four ticks or more, skip them all	2535	# if we are delayed by four ticks or more, skip them all
2004	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2005		2537
2006	$TICK_WATCHER->at ($NEXT_TICK);	2538	$TICK_WATCHER->at ($NEXT_TICK);
2007	$TICK_WATCHER->start;	2539	$TICK_WATCHER->start;
2008	},	2540	},
2009	);	2541	);
2010		2542
2011	IO::AIO::max_poll_time $TICK * 0.2;	2543	IO::AIO::max_poll_time $TICK * 0.1;
2012		2544
2013	Event->io (	2545	undef $Coro::AIO::WATCHER;
		2546	$AIO_POLL_WATCHER = Event->io (
		2547	reentrant => 0,
2014	fd => IO::AIO::poll_fileno,	2548	fd => IO::AIO::poll_fileno,
2015	poll => 'r',	2549	poll => 'r',
2016	prio => 5,	2550	prio => 6,
2017	data => WF_AUTOCANCEL,	2551	data => WF_AUTOCANCEL,
2018	cb => \&IO::AIO::poll_cb,	2552	cb => \&IO::AIO::poll_cb,
2019	);	2553	);
2020		2554
2021	Event->timer (	2555	$WRITE_RUNTIME_WATCHER = Event->timer (
		2556	reentrant => 0,
2022	data => WF_AUTOCANCEL,	2557	data => WF_AUTOCANCEL,
2023	after => 0,	2558	after => 1,
2024	interval => 10,	2559	interval => 10,
2025	cb => sub {	2560	prio => 6, # keep it lowest so it acts like a watchdog
2026	(Coro::unblock_sub {	2561	cb => Coro::unblock_sub {
2027	write_runtime	2562	write_runtime
2028	or warn "ERROR: unable to write runtime file: $!";	2563	or warn "ERROR: unable to write runtime file: $!";
2029	})->();
2030	},	2564	},
2031	);	2565	);
2032		2566
		2567	END { cf::emergency_save }
		2568
2033	1	2569	1
2034		2570

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