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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 1.200 by root, Mon Jan 29 17:57:22 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		69
58	binmode STDOUT;	70	binmode STDOUT;
59	binmode STDERR;	71	binmode STDERR;
60		72
61	# read virtual server time, if available	73	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
73		85
74	# a special map that is always available	86	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		87
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	88	sub cf::map::normalise;
78		89
79	#############################################################################	90	#############################################################################
80		91
81	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
82		93
…		…
106		117
107	=item %cf::CFG	118	=item %cf::CFG
108		119
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	121	from wherever your confdir points to.
		122
		123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		124
		125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		127	processing has been done. Call C<< ->wait >> on them to maximise the
		128	window of cpu time available, or simply to synchronise to the server tick.
111		129
112	=back	130	=back
113		131
114	=cut	132	=cut
115		133
…		…
119	utf8::encode $msg;	137	utf8::encode $msg;
120		138
121	$msg .= "\n"	139	$msg .= "\n"
122	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
123		141
124	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
125	};	143	};
126	}	144	}
127		145
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		165
148	$Event::DIED = sub {	166	$Event::DIED = sub {
149	warn "error in event callback: @_";	167	warn "error in event callback: @_";
150	};	168	};
151		169
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
157		171
158	=over 4	172	=over 4
159		173
		174	=item dumpval $ref
		175
160	=cut	176	=cut
		177
		178	sub dumpval {
		179	eval {
		180	local $SIG{__DIE__};
		181	my $d;
		182	if (1) {
		183	$d = new Data::Dumper([$_[0]], ["*var"]);
		184	$d->Terse(1);
		185	$d->Indent(2);
		186	$d->Quotekeys(0);
		187	$d->Useqq(1);
		188	#$d->Bless(...);
		189	$d->Seen($_[1]) if @_ > 1;
		190	$d = $d->Dump();
		191	}
		192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		193	$d
		194	} || "[unable to dump $_[0]: '$@']";
		195	}
161		196
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		198
164	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
165		200
…		…
180		215
181	sub to_json($) {	216	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	218	JSON::Syck::Dump $_[0]
184	}	219	}
		220
		221	=item cf::lock_wait $string
		222
		223	Wait until the given lock is available. See cf::lock_acquire.
		224
		225	=item my $lock = cf::lock_acquire $string
		226
		227	Wait until the given lock is available and then acquires it and returns
		228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		229	for example when the coroutine gets canceled), the lock is automatically
		230	returned.
		231
		232	Lock names should begin with a unique identifier (for example, cf::map::find
		233	uses map_find and cf::map::load uses map_load).
		234
		235	=cut
		236
		237	our %LOCK;
		238
		239	sub lock_wait($) {
		240	my ($key) = @_;
		241
		242	# wait for lock, if any
		243	while ($LOCK{$key}) {
		244	push @{ $LOCK{$key} }, $Coro::current;
		245	Coro::schedule;
		246	}
		247	}
		248
		249	sub lock_acquire($) {
		250	my ($key) = @_;
		251
		252	# wait, to be sure we are not locked
		253	lock_wait $key;
		254
		255	$LOCK{$key} = [];
		256
		257	Coro::guard {
		258	# wake up all waiters, to be on the safe side
		259	$_->ready for @{ delete $LOCK{$key} };
		260	}
		261	}
		262
		263	sub freeze_mainloop {
		264	return unless $TICK_WATCHER->is_active;
		265
		266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	$WRITE_RUNTIME_WATCHER->start;
		269	};
		270	$WRITE_RUNTIME_WATCHER->stop;
		271	$TICK_WATCHER->stop;
		272	$guard
		273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
185		284
186	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
187		286
188	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
197	=cut	296	=cut
198		297
199	sub sync_job(&) {	298	sub sync_job(&) {
200	my ($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	my $files = aio_readdir playerdir $pl
		1085	or return;
		1086
		1087	my @paths;
		1088
		1089	for (@$files) {
		1090	utf8::decode $_;
		1091	next if /\.(?:pl|pst)$/;
		1092	next unless /^$PATH_SEP/o;
		1093
		1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;
		1095	}
		1096
		1097	\@paths
1019	}	1098	}
1020		1099
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1100	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1101
1023	Sends an ext reply to the player.	1102	Sends an ext reply to the player.
1024		1103
1025	=cut	1104	=cut
1026		1105
1027	sub cf::player::ext_reply($$$%) {	1106	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1107	my ($self, $id, %msg) = @_;
1029		1108
1030	$msg{msgid} = $id;	1109	$msg{msgid} = $id;
1031		1110
1032	$self->send ("ext " . to_json \%msg);	1111	$self->send ("ext " . cf::to_json \%msg);
1033	}	1112	}
		1113
		1114	package cf;
1034		1115
1035	=back	1116	=back
1036		1117
1037		1118
1038	=head3 cf::map	1119	=head3 cf::map
…		…
1044	package cf::map;	1125	package cf::map;
1045		1126
1046	use Fcntl;	1127	use Fcntl;
1047	use Coro::AIO;	1128	use Coro::AIO;
1048		1129
		1130	use overload
		1131	'""' => \&as_string,
		1132	fallback => 1;
		1133
1049	our $MAX_RESET = 7200;	1134	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1135	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1136
1054	sub generate_random_map {	1137	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1138	my ($self, $rmp) = @_;
1056
1057	# mit "rum" bekleckern, nicht	1139	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1140	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1144	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1145	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1146	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1147	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1148	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1149	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1150	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(cf::region::find $rmp->{region})	1151	(cf::region::find $rmp->{region}), $rmp->{custom}
		1152	)
		1153	}
		1154
		1155	=item cf::map->register ($regex, $prio)
		1156
		1157	Register a handler for the map path matching the given regex at the
		1158	givne priority (higher is better, built-in handlers have priority 0, the
		1159	default).
		1160
		1161	=cut
		1162
		1163	sub register {
		1164	my (undef, $regex, $prio) = @_;
		1165	my $pkg = caller;
		1166
		1167	no strict;
		1168	push @{"$pkg\::ISA"}, __PACKAGE__;
		1169
		1170	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1171	}
		1172
		1173	# also paths starting with '/'
		1174	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1175
		1176	sub thawer_merge {
		1177	my ($self, $merge) = @_;
		1178
		1179	# we have to keep some variables in memory intact
		1180	local $self->{path};
		1181	local $self->{load_path};
		1182	local $self->{deny_save};
		1183	local $self->{deny_reset};
		1184
		1185	$self->SUPER::thawer_merge ($merge);
		1186	}
		1187
		1188	sub normalise {
		1189	my ($path, $base) = @_;
		1190
		1191	$path = "$path"; # make sure its a string
		1192
		1193	$path =~ s/\.map$//;
		1194
		1195	# map plan:
		1196	#
		1197	# /! non-realised random map exit (special hack!)
		1198	# {... are special paths that are not being touched
		1199	# ?xxx/... are special absolute paths
		1200	# ?random/... random maps
		1201	# /... normal maps
		1202	# ~user/... per-player map of a specific user
		1203
		1204	$path =~ s/$PATH_SEP/\//go;
		1205
		1206	# treat it as relative path if it starts with
		1207	# something that looks reasonable
		1208	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1209	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1210
		1211	$base =~ s{[^/]+/?$}{};
		1212	$path = "$base/$path";
		1213	}
		1214
		1215	for ($path) {
		1216	redo if s{//}{/};
		1217	redo if s{/\.?/}{/};
		1218	redo if s{/[^/]+/\.\./}{/};
		1219	}
		1220
		1221	$path
		1222	}
		1223
		1224	sub new_from_path {
		1225	my (undef, $path, $base) = @_;
		1226
		1227	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1228
		1229	$path = normalise $path, $base;
		1230
		1231	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1232	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1233	my $self = bless cf::map::new, $pkg;
		1234	$self->{path} = $path; $self->path ($path);
		1235	$self->init; # pass $1 etc.
		1236	return $self;
		1237	}
		1238	}
		1239
		1240	Carp::carp "unable to resolve path '$path' (base '$base').";
		1241	()
		1242	}
		1243
		1244	sub init {
		1245	my ($self) = @_;
		1246
		1247	$self
		1248	}
		1249
		1250	sub as_string {
		1251	my ($self) = @_;
		1252
		1253	"$self->{path}"
		1254	}
		1255
		1256	# the displayed name, this is a one way mapping
		1257	sub visible_name {
		1258	&as_string
		1259	}
		1260
		1261	# the original (read-only) location
		1262	sub load_path {
		1263	my ($self) = @_;
		1264
		1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1266	}
		1267
		1268	# the temporary/swap location
		1269	sub save_path {
		1270	my ($self) = @_;
		1271
		1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1274	}
		1275
		1276	# the unique path, undef == no special unique path
		1277	sub uniq_path {
		1278	my ($self) = @_;
		1279
		1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1071	}	1282	}
1072		1283
1073	# and all this just because we cannot iterate over	1284	# and all this just because we cannot iterate over
1074	# all maps in C++...	1285	# all maps in C++...
1075	sub change_all_map_light {	1286	sub change_all_map_light {
1076	my ($change) = @_;	1287	my ($change) = @_;
1077		1288
1078	$_->change_map_light ($change) for values %cf::MAP;	1289	$_->change_map_light ($change)
		1290	for grep $_->outdoor, values %cf::MAP;
1079	}	1291	}
1080		1292
		1293	sub unlink_save {
		1294	my ($self) = @_;
		1295
		1296	utf8::encode (my $save = $self->save_path);
		1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1299
		1300	#d#TODO remove .map and also nuke
		1301	$save =~ s/\.map// or return;#d#
		1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1304	}
		1305
1081	sub try_load_header($) {	1306	sub load_header_from($) {
1082	my ($path) = @_;	1307	my ($self, $path) = @_;
1083		1308
1084	utf8::encode $path;	1309	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1310	#aio_open $path, O_RDONLY, 0
		1311	# or return;
		1312
		1313	$self->_load_header ($path)
1086	or return;	1314	or return;
1087		1315
1088	my $map = cf::map::new	1316	$self->{load_path} = $path;
		1317
		1318	1
		1319	}
		1320
		1321	sub load_header_orig {
		1322	my ($self) = @_;
		1323
		1324	$self->load_header_from ($self->load_path)
		1325	}
		1326
		1327	sub load_header_temp {
		1328	my ($self) = @_;
		1329
		1330	$self->load_header_from ($self->save_path)
		1331	}
		1332
		1333	sub prepare_temp {
		1334	my ($self) = @_;
		1335
		1336	$self->last_access ((delete $self->{last_access})
		1337	|| $cf::RUNTIME); #d#
		1338	# safety
		1339	$self->{instantiate_time} = $cf::RUNTIME
		1340	if $self->{instantiate_time} > $cf::RUNTIME;
		1341	}
		1342
		1343	sub prepare_orig {
		1344	my ($self) = @_;
		1345
		1346	$self->{load_original} = 1;
		1347	$self->{instantiate_time} = $cf::RUNTIME;
		1348	$self->last_access ($cf::RUNTIME);
		1349	$self->instantiate;
		1350	}
		1351
		1352	sub load_header {
		1353	my ($self) = @_;
		1354
		1355	if ($self->load_header_temp) {
		1356	$self->prepare_temp;
		1357	} else {
		1358	$self->load_header_orig
1089	or return;	1359	or return;
		1360	$self->prepare_orig;
		1361	}
1090		1362
1091	$map->load_header ($path)	1363	1
1092	or return;
1093
1094	$map->{load_path} = $path;
1095	use Data::Dumper; warn Dumper $map;#d#
1096
1097	$map
1098	}	1364	}
1099		1365
		1366	sub find;
1100	sub find_map {	1367	sub find {
1101	my ($path, $origin) = @_;	1368	my ($path, $origin) = @_;
1102		1369
1103	#warn "find_map<$path,$origin>\n";#d#	1370	$path = normalise $path, $origin && $origin->path;
1104		1371
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1372	cf::lock_wait "map_find:$path";
1106	my $key = $path->as_string;
1107		1373
1108	$cf::MAP{$key} || do {	1374	$cf::MAP{$path} || do {
1109	# do it the slow way	1375	my $guard = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1376	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;	1377	or return;
1124		1378
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);	1379	$map->{last_save} = $cf::RUNTIME;
1136		1380
1137	$map->reset if $map->should_reset;	1381	$map->load_header
		1382	or return;
1138		1383
		1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1385	# doing this can freeze the server in a sync job, obviously
		1386	#$cf::WAIT_FOR_TICK->wait;
		1387	$map->reset;
		1388	undef $guard;
		1389	return find $path;
		1390	}
		1391
1139	$cf::MAP{$key} = $map	1392	$cf::MAP{$path} = $map
1140	}	1393	}
1141	}	1394	}
		1395
		1396	sub pre_load { }
		1397	sub post_load { }
1142		1398
1143	sub load {	1399	sub load {
1144	my ($self) = @_;	1400	my ($self) = @_;
1145		1401
		1402	local $self->{deny_reset} = 1; # loading can take a long time
		1403
		1404	my $path = $self->{path};
		1405	my $guard = cf::lock_acquire "map_load:$path";
		1406
1146	return if $self->in_memory != cf::MAP_SWAPPED;	1407	return if $self->in_memory != cf::MAP_SWAPPED;
1147		1408
1148	$self->in_memory (cf::MAP_LOADING);	1409	$self->in_memory (cf::MAP_LOADING);
1149		1410
1150	my $path = $self->{path};
1151
1152	$self->alloc;	1411	$self->alloc;
		1412
		1413	$self->pre_load;
		1414
1153	$self->load_objects ($self->{load_path}, 1)	1415	$self->_load_objects ($self->{load_path}, 1)
1154	or return;	1416	or return;
1155		1417
1156	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) if delete $self->{load_original};	1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1419	if delete $self->{load_original};
1157		1420
1158	if (my $uniq = $path->uniq_path) {	1421	if (my $uniq = $self->uniq_path) {
1159	utf8::encode $uniq;	1422	utf8::encode $uniq;
1160	if (aio_open $uniq, O_RDONLY, 0) {	1423	if (aio_open $uniq, O_RDONLY, 0) {
1161	$self->clear_unique_items;	1424	$self->clear_unique_items;
1162	$self->load_objects ($uniq, 0);	1425	$self->_load_objects ($uniq, 0);
1163	}	1426	}
1164	}	1427	}
		1428
		1429	Coro::cede;
1165		1430
1166	# now do the right thing for maps	1431	# now do the right thing for maps
1167	$self->link_multipart_objects;	1432	$self->link_multipart_objects;
1168		1433
1169	if ($self->{path}->is_style_map) {	1434	unless ($self->{deny_activate}) {
1170	$self->{deny_save} = 1;	1435	$self->decay_objects;
1171	$self->{deny_reset} = 1;
1172	} else {
1173	$self->fix_auto_apply;	1436	$self->fix_auto_apply;
1174	$self->decay_objects;
1175	$self->update_buttons;	1437	$self->update_buttons;
		1438	Coro::cede;
1176	$self->set_darkness_map;	1439	$self->set_darkness_map;
1177	$self->difficulty ($self->estimate_difficulty)	1440	$self->difficulty ($self->estimate_difficulty)
1178	unless $self->difficulty;	1441	unless $self->difficulty;
		1442	Coro::cede;
1179	$self->activate;	1443	$self->activate;
1180	}	1444	}
1181		1445
		1446	$self->post_load;
		1447
1182	$self->in_memory (cf::MAP_IN_MEMORY);	1448	$self->in_memory (cf::MAP_IN_MEMORY);
1183	}	1449	}
1184		1450
1185	sub load_map_sync {	1451	sub customise_for {
		1452	my ($self, $ob) = @_;
		1453
		1454	return find "~" . $ob->name . "/" . $self->{path}
		1455	if $self->per_player;
		1456
		1457	$self
		1458	}
		1459
		1460	# find and load all maps in the 3x3 area around a map
		1461	sub load_diag {
		1462	my ($map) = @_;
		1463
		1464	my @diag; # diagonal neighbours
		1465
		1466	for (0 .. 3) {
		1467	my $neigh = $map->tile_path ($_)
		1468	or next;
		1469	$neigh = find $neigh, $map
		1470	or next;
		1471	$neigh->load;
		1472
		1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1475	}
		1476
		1477	for (@diag) {
		1478	my $neigh = find @$_
		1479	or next;
		1480	$neigh->load;
		1481	}
		1482	}
		1483
		1484	sub find_sync {
1186	my ($path, $origin) = @_;	1485	my ($path, $origin) = @_;
1187		1486
1188	#warn "load_map_sync<$path, $origin>\n";#d#	1487	cf::sync_job { find $path, $origin }
		1488	}
1189		1489
1190	cf::sync_job {	1490	sub do_load_sync {
1191	my $map = cf::map::find_map $path, $origin	1491	my ($map) = @_;
1192	or return;	1492
		1493	cf::sync_job { $map->load };
		1494	}
		1495
		1496	our %MAP_PREFETCH;
		1497	our $MAP_PREFETCHER = undef;
		1498
		1499	sub find_async {
		1500	my ($path, $origin) = @_;
		1501
		1502	$path = normalise $path, $origin && $origin->{path};
		1503
		1504	if (my $map = $cf::MAP{$path}) {
		1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1506	}
		1507
		1508	undef $MAP_PREFETCH{$path};
		1509	$MAP_PREFETCHER ||= cf::async {
		1510	while (%MAP_PREFETCH) {
		1511	for my $path (keys %MAP_PREFETCH) {
		1512	my $map = find $path
		1513	or next;
1193	$map->load;	1514	$map->load;
1194	$map	1515
		1516	delete $MAP_PREFETCH{$path};
		1517	}
		1518	}
		1519	undef $MAP_PREFETCHER;
1195	}	1520	};
		1521	$MAP_PREFETCHER->prio (6);
		1522
		1523	()
1196	}	1524	}
1197		1525
1198	sub save {	1526	sub save {
1199	my ($self) = @_;	1527	my ($self) = @_;
1200		1528
1201	my $save = $self->{path}->save_path; utf8::encode $save;	1529	my $lock = cf::lock_acquire "map_data:" . $self->path;
1202	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1203		1530
1204	$self->{last_save} = $cf::RUNTIME;	1531	$self->{last_save} = $cf::RUNTIME;
1205		1532
1206	return unless $self->dirty;	1533	return unless $self->dirty;
1207		1534
		1535	my $save = $self->save_path; utf8::encode $save;
		1536	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1537
1208	$self->{load_path} = $save;	1538	$self->{load_path} = $save;
1209		1539
1210	return if $self->{deny_save};	1540	return if $self->{deny_save};
1211		1541
1212	warn "saving map ", $self->path;	1542	local $self->{last_access} = $self->last_access;#d#
		1543
		1544	cf::async {
		1545	$_->contr->save for $self->players;
		1546	};
1213		1547
1214	if ($uniq) {	1548	if ($uniq) {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1216	$self->save_objects ($uniq, cf::IO_UNIQUES);	1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1217	} else {	1551	} else {
1218	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1552	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1219	}	1553	}
1220	}	1554	}
1221		1555
1222	sub swap_out {	1556	sub swap_out {
1223	my ($self) = @_;	1557	my ($self) = @_;
		1558
		1559	# save first because save cedes
		1560	$self->save;
		1561
		1562	my $lock = cf::lock_acquire "map_data:" . $self->path;
1224		1563
1225	return if $self->players;	1564	return if $self->players;
1226	return if $self->in_memory != cf::MAP_IN_MEMORY;	1565	return if $self->in_memory != cf::MAP_IN_MEMORY;
1227	return if $self->{deny_save};	1566	return if $self->{deny_save};
1228		1567
1229	$self->save;
1230	$self->clear;	1568	$self->clear;
1231	$self->in_memory (cf::MAP_SWAPPED);	1569	$self->in_memory (cf::MAP_SWAPPED);
1232	}	1570	}
1233		1571
		1572	sub reset_at {
		1573	my ($self) = @_;
		1574
		1575	# TODO: safety, remove and allow resettable per-player maps
		1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1577	return 1e99 if $self->{deny_reset};
		1578
		1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1581
		1582	$time + $to
		1583	}
		1584
1234	sub should_reset {	1585	sub should_reset {
1235	my ($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) = @_;	1586	my ($self) = @_;
1251		1587
1252	utf8::encode (my $save = $self->{path}->save_path);	1588	$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	}	1589	}
1256		1590
1257	sub reset {	1591	sub reset {
1258	my ($self) = @_;	1592	my ($self) = @_;
1259		1593
		1594	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1595
1260	return if $self->players;	1596	return if $self->players;
1261	return if $self->{path}{user_rel};#d#	1597	return if $self->isa ("ext::map_per_player");#d#
1262		1598
1263	warn "resetting map ", $self->path;#d#	1599	warn "resetting map ", $self->path;#d#
1264		1600
1265	delete $cf::MAP{$self->path};	1601	delete $cf::MAP{$self->path};
		1602
		1603	$self->in_memory (cf::MAP_SWAPPED);
		1604	$self->clear;
1266		1605
1267	$_->clear_links_to ($self) for values %cf::MAP;	1606	$_->clear_links_to ($self) for values %cf::MAP;
1268		1607
1269	$self->unlink_save;	1608	$self->unlink_save;
1270	$self->destroy;	1609	$self->destroy;
1271	}	1610	}
1272		1611
1273	sub customise_for {	1612	my $nuke_counter = "aaaa";
1274	my ($map, $ob) = @_;
1275		1613
1276	if ($map->per_player) {	1614	sub nuke {
1277	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1615	my ($self) = @_;
1278	}
1279		1616
1280	$map	1617	delete $cf::MAP{$self->path};
1281	}
1282		1618
1283	sub emergency_save {	1619	$self->unlink_save;
1284	local $cf::FREEZE = 1;
1285		1620
1286	warn "enter emergency map save\n";	1621	bless $self, "cf::map";
		1622	delete $self->{deny_reset};
		1623	$self->{deny_save} = 1;
		1624	$self->reset_timeout (1);
		1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1287		1626
1288	cf::sync_job {	1627	$cf::MAP{$self->path} = $self;
1289	warn "begin emergency map save\n";	1628
1290	$_->save for values %cf::MAP;	1629	$self->reset; # polite request, might not happen
		1630	}
		1631
		1632	=item cf::map::unique_maps
		1633
		1634	Returns an arrayref of paths of all shared maps that have
		1635	instantiated unique items. May block.
		1636
		1637	=cut
		1638
		1639	sub unique_maps() {
		1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1641	or return;
		1642
		1643	my @paths;
		1644
		1645	for (@$files) {
		1646	utf8::decode $_;
		1647	next if /\.pst$/;
		1648	next unless /^$PATH_SEP/o;
		1649
		1650	push @paths, cf::map::normalise $_;
1291	};	1651	}
1292		1652
1293	warn "end emergency map save\n";	1653	\@paths
1294	}	1654	}
1295		1655
1296	package cf;	1656	package cf;
1297		1657
1298	=back	1658	=back
1299		1659
		1660	=head3 cf::object
		1661
		1662	=cut
		1663
		1664	package cf::object;
		1665
		1666	=over 4
		1667
		1668	=item $ob->inv_recursive
		1669
		1670	Returns the inventory of the object _and_ their inventories, recursively.
		1671
		1672	=cut
		1673
		1674	sub inv_recursive_;
		1675	sub inv_recursive_ {
		1676	map { $_, inv_recursive_ $_->inv } @_
		1677	}
		1678
		1679	sub inv_recursive {
		1680	inv_recursive_ inv $_[0]
		1681	}
		1682
		1683	package cf;
		1684
		1685	=back
1300		1686
1301	=head3 cf::object::player	1687	=head3 cf::object::player
1302		1688
1303	=over 4	1689	=over 4
1304		1690
…		…
1340	(ref $cf::CFG{"may_$access"}	1726	(ref $cf::CFG{"may_$access"}
1341	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1727	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1342	: $cf::CFG{"may_$access"})	1728	: $cf::CFG{"may_$access"})
1343	}	1729	}
1344		1730
		1731	=item $player_object->enter_link
		1732
		1733	Freezes the player and moves him/her to a special map (C<{link}>).
		1734
		1735	The player should be reasonably safe there for short amounts of time. You
		1736	I<MUST> call C<leave_link> as soon as possible, though.
		1737
		1738	Will never block.
		1739
		1740	=item $player_object->leave_link ($map, $x, $y)
		1741
		1742	Moves the player out of the special C<{link}> map onto the specified
		1743	map. If the map is not valid (or omitted), the player will be moved back
		1744	to the location he/she was before the call to C<enter_link>, or, if that
		1745	fails, to the emergency map position.
		1746
		1747	Might block.
		1748
		1749	=cut
		1750
		1751	sub link_map {
		1752	unless ($LINK_MAP) {
		1753	$LINK_MAP = cf::map::find "{link}"
		1754	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1755	$LINK_MAP->load;
		1756	}
		1757
		1758	$LINK_MAP
		1759	}
		1760
1345	sub cf::object::player::enter_link {	1761	sub cf::object::player::enter_link {
1346	my ($self) = @_;	1762	my ($self) = @_;
1347		1763
1348	return if $self->map == $LINK_MAP;	1764	$self->deactivate_recursive;
1349		1765
		1766	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1767
1350	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1351	if $self->map;	1769	if $self->map;
1352		1770
1353	$self->enter_map ($LINK_MAP, 20, 20);	1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1354	$self->deactivate_recursive;
1355	}	1772	}
1356		1773
1357	sub cf::object::player::leave_link {	1774	sub cf::object::player::leave_link {
1358	my ($self, $map, $x, $y) = @_;	1775	my ($self, $map, $x, $y) = @_;
1359		1776
1360	my $link_pos = delete $self->{_link_pos};	1777	my $link_pos = delete $self->{_link_pos};
1361		1778
1362	unless ($map) {	1779	unless ($map) {
1363	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1364
1365	# restore original map position	1780	# restore original map position
1366	($map, $x, $y) = @{ $link_pos || [] };	1781	($map, $x, $y) = @{ $link_pos || [] };
1367	$map = cf::map::find_map $map;	1782	$map = cf::map::find $map;
1368		1783
1369	unless ($map) {	1784	unless ($map) {
1370	($map, $x, $y) = @$EMERGENCY_POSITION;	1785	($map, $x, $y) = @$EMERGENCY_POSITION;
1371	$map = cf::map::find_map $map	1786	$map = cf::map::find $map
1372	or die "FATAL: cannot load emergency map\n";	1787	or die "FATAL: cannot load emergency map\n";
1373	}	1788	}
1374	}	1789	}
1375		1790
1376	($x, $y) = (-1, -1)	1791	($x, $y) = (-1, -1)
…		…
1379	# use -1 or undef as default coordinates, not 0, 0	1794	# use -1 or undef as default coordinates, not 0, 0
1380	($x, $y) = ($map->enter_x, $map->enter_y)	1795	($x, $y) = ($map->enter_x, $map->enter_y)
1381	if $x <=0 && $y <= 0;	1796	if $x <=0 && $y <= 0;
1382		1797
1383	$map->load;	1798	$map->load;
		1799	$map->load_diag;
1384		1800
		1801	return unless $self->contr->active;
1385	$self->activate_recursive;	1802	$self->activate_recursive;
1386	$self->enter_map ($map, $x, $y);	1803	$self->enter_map ($map, $x, $y);
1387	}	1804	}
1388		1805
		1806	cf::player->attach (
		1807	on_logout => sub {
		1808	my ($pl) = @_;
		1809
		1810	# abort map switching before logout
		1811	if ($pl->ob->{_link_pos}) {
		1812	cf::sync_job {
		1813	$pl->ob->leave_link
		1814	};
		1815	}
		1816	},
		1817	on_login => sub {
		1818	my ($pl) = @_;
		1819
		1820	# try to abort aborted map switching on player login :)
		1821	# should happen only on crashes
		1822	if ($pl->ob->{_link_pos}) {
		1823	$pl->ob->enter_link;
		1824	(async {
		1825	# we need this sleep as the login has a concurrent enter_exit running
		1826	# and this sleep increases chances of the player not ending up in scorn
		1827	$pl->ob->reply (undef,
		1828	"There was an internal problem at your last logout, "
		1829	. "the server will try to bring you to your intended destination in a second.",
		1830	cf::NDI_RED);
		1831	Coro::Timer::sleep 1;
		1832	$pl->ob->leave_link;
		1833	})->prio (2);
		1834	}
		1835	},
		1836	);
		1837
1389	=item $player_object->goto_map ($map, $x, $y)	1838	=item $player_object->goto ($path, $x, $y)
1390		1839
1391	=cut	1840	=cut
1392		1841
1393	sub cf::object::player::goto_map {	1842	sub cf::object::player::goto {
1394	my ($self, $path, $x, $y) = @_;	1843	my ($self, $path, $x, $y) = @_;
1395		1844
1396	$self->enter_link;	1845	$self->enter_link;
1397		1846
1398	(Coro::async {	1847	(async {
1399	$path = new cf::path $path;	1848	my $map = eval {
1400
1401	my $map = cf::map::find_map $path->as_string;	1849	my $map = cf::map::find $path;
1402	$map = $map->customise_for ($self) if $map;	1850	$map = $map->customise_for ($self) if $map;
1403
1404	warn "entering ", $map->path, " at ($x, $y)\n"
1405	if $map;	1851	$map
		1852	} or
		1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1406		1854
1407	$self->leave_link ($map, $x, $y);	1855	$self->leave_link ($map, $x, $y);
1408	})->prio (1);	1856	})->prio (1);
1409	}	1857	}
1410		1858
…		…
1414		1862
1415	sub parse_random_map_params {	1863	sub parse_random_map_params {
1416	my ($spec) = @_;	1864	my ($spec) = @_;
1417		1865
1418	my $rmp = { # defaults	1866	my $rmp = { # defaults
1419	xsize => 10,	1867	xsize => (cf::rndm 15, 40),
1420	ysize => 10,	1868	ysize => (cf::rndm 15, 40),
		1869	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1870	#layout => string,
1421	};	1871	};
1422		1872
1423	for (split /\n/, $spec) {	1873	for (split /\n/, $spec) {
1424	my ($k, $v) = split /\s+/, $_, 2;	1874	my ($k, $v) = split /\s+/, $_, 2;
1425		1875
…		…
1429	$rmp	1879	$rmp
1430	}	1880	}
1431		1881
1432	sub prepare_random_map {	1882	sub prepare_random_map {
1433	my ($exit) = @_;	1883	my ($exit) = @_;
		1884
		1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1434		1886
1435	# all this does is basically replace the /! path by	1887	# all this does is basically replace the /! path by
1436	# a new random map path (?random/...) with a seed	1888	# a new random map path (?random/...) with a seed
1437	# that depends on the exit object	1889	# that depends on the exit object
1438		1890
1439	my $rmp = parse_random_map_params $exit->msg;	1891	my $rmp = parse_random_map_params $exit->msg;
1440		1892
1441	if ($exit->map) {	1893	if ($exit->map) {
1442	$rmp->{region} = $exit->map->region_name;	1894	$rmp->{region} = $exit->region->name;
1443	$rmp->{origin_map} = $exit->map->path;	1895	$rmp->{origin_map} = $exit->map->path;
1444	$rmp->{origin_x} = $exit->x;	1896	$rmp->{origin_x} = $exit->x;
1445	$rmp->{origin_y} = $exit->y;	1897	$rmp->{origin_y} = $exit->y;
1446	}	1898	}
1447		1899
1448	$rmp->{random_seed} ||= $exit->random_seed;	1900	$rmp->{random_seed} ||= $exit->random_seed;
1449		1901
1450	my $data = cf::to_json $rmp;	1902	my $data = cf::to_json $rmp;
1451	my $md5 = Digest::MD5::md5_hex $data;	1903	my $md5 = Digest::MD5::md5_hex $data;
		1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1452		1905
1453	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1454	aio_write $fh, 0, (length $data), $data, 0;	1907	aio_write $fh, 0, (length $data), $data, 0;
		1908	undef $fh;
		1909	aio_rename "$meta~", $meta;
1455		1910
1456	$exit->slaying ("?random/$md5");	1911	$exit->slaying ("?random/$md5");
1457	$exit->msg (undef);	1912	$exit->msg (undef);
1458	}	1913	}
1459	}	1914	}
…		…
1461	sub cf::object::player::enter_exit {	1916	sub cf::object::player::enter_exit {
1462	my ($self, $exit) = @_;	1917	my ($self, $exit) = @_;
1463		1918
1464	return unless $self->type == cf::PLAYER;	1919	return unless $self->type == cf::PLAYER;
1465		1920
		1921	if ($exit->slaying eq "/!") {
		1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1923	cf::sync_job { prepare_random_map $exit };
		1924	}
		1925
		1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1927	my $hp = $exit->stats->hp;
		1928	my $sp = $exit->stats->sp;
		1929
1466	$self->enter_link;	1930	$self->enter_link;
1467		1931
1468	(Coro::async {	1932	(async {
		1933	$self->deactivate_recursive; # just to be sure
1469	unless (eval {	1934	unless (eval {
1470		1935	$self->goto ($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		1936
1477	1;	1937	1;
1478	}) {	1938	}) {
1479	$self->message ("Something went wrong deep within the crossfire server. "	1939	$self->message ("Something went wrong deep within the crossfire server. "
1480	. "I'll try to bring you back to the map you were before. "	1940	. "I'll try to bring you back to the map you were before. "
1481	. "Please report this to the dungeon master",	1941	. "Please report this to the dungeon master!",
1482	cf::NDI_UNIQUE | cf::NDI_RED);	1942	cf::NDI_UNIQUE | cf::NDI_RED);
1483		1943
1484	warn "ERROR in enter_exit: $@";	1944	warn "ERROR in enter_exit: $@";
1485	$self->leave_link;	1945	$self->leave_link;
1486	}	1946	}
…		…
1537	on_reply => sub {	1997	on_reply => sub {
1538	my ($ns, $msg) = @_;	1998	my ($ns, $msg) = @_;
1539		1999
1540	# this weird shuffling is so that direct followup queries	2000	# this weird shuffling is so that direct followup queries
1541	# get handled first	2001	# get handled first
1542	my $queue = delete $ns->{query_queue};	2002	my $queue = delete $ns->{query_queue}
		2003	or return; # be conservative, not sure how that can happen, but we saw a crash here
1543		2004
1544	(shift @$queue)->[1]->($msg);	2005	(shift @$queue)->[1]->($msg);
1545		2006
1546	push @{ $ns->{query_queue} }, @$queue;	2007	push @{ $ns->{query_queue} }, @$queue;
1547		2008
…		…
1553	}	2014	}
1554	}	2015	}
1555	},	2016	},
1556	);	2017	);
1557		2018
1558	=item $client->coro (\&cb)	2019	=item $client->async (\&cb)
1559		2020
1560	Create a new coroutine, running the specified callback. The coroutine will	2021	Create a new coroutine, running the specified callback. The coroutine will
1561	be automatically cancelled when the client gets destroyed (e.g. on logout,	2022	be automatically cancelled when the client gets destroyed (e.g. on logout,
1562	or loss of connection).	2023	or loss of connection).
1563		2024
1564	=cut	2025	=cut
1565		2026
1566	sub cf::client::coro {	2027	sub cf::client::async {
1567	my ($self, $cb) = @_;	2028	my ($self, $cb) = @_;
1568		2029
1569	my $coro; $coro = async {	2030	my $coro = &Coro::async ($cb);
1570	eval {
1571	$cb->();
1572	};
1573	warn $@ if $@;
1574	};
1575		2031
1576	$coro->on_destroy (sub {	2032	$coro->on_destroy (sub {
1577	delete $self->{_coro}{$coro+0};	2033	delete $self->{_coro}{$coro+0};
1578	});	2034	});
1579		2035
…		…
1751		2207
1752	{	2208	{
1753	my $path = cf::localdir . "/database.pst";	2209	my $path = cf::localdir . "/database.pst";
1754		2210
1755	sub db_load() {	2211	sub db_load() {
1756	warn "loading database $path\n";#d# remove later
1757	$DB = stat $path ? Storable::retrieve $path : { };	2212	$DB = stat $path ? Storable::retrieve $path : { };
1758	}	2213	}
1759		2214
1760	my $pid;	2215	my $pid;
1761		2216
1762	sub db_save() {	2217	sub db_save() {
1763	warn "saving database $path\n";#d# remove later
1764	waitpid $pid, 0 if $pid;	2218	waitpid $pid, 0 if $pid;
1765	if (0 == ($pid = fork)) {	2219	if (0 == ($pid = fork)) {
1766	$DB->{_meta}{version} = 1;	2220	$DB->{_meta}{version} = 1;
1767	Storable::nstore $DB, "$path~";	2221	Storable::nstore $DB, "$path~";
1768	rename "$path~", $path;	2222	rename "$path~", $path;
…		…
1775	sub db_sync() {	2229	sub db_sync() {
1776	db_save if $dirty;	2230	db_save if $dirty;
1777	undef $dirty;	2231	undef $dirty;
1778	}	2232	}
1779		2233
1780	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2234	my $idle = Event->idle (
1781	db_sync;	2235	reentrant => 0,
		2236	min => 10,
		2237	max => 20,
		2238	repeat => 0,
		2239	data => WF_AUTOCANCEL,
		2240	cb => \&db_sync,
1782	});	2241	);
1783		2242
1784	sub db_dirty() {	2243	sub db_dirty() {
1785	$dirty = 1;	2244	$dirty = 1;
1786	$idle->start;	2245	$idle->start;
1787	}	2246	}
…		…
1816	open my $fh, "<:utf8", cf::confdir . "/config"	2275	open my $fh, "<:utf8", cf::confdir . "/config"
1817	or return;	2276	or return;
1818		2277
1819	local $/;	2278	local $/;
1820	*CFG = YAML::Syck::Load <$fh>;	2279	*CFG = YAML::Syck::Load <$fh>;
		2280
		2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2282
		2283	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2285
		2286	if (exists $CFG{mlockall}) {
		2287	eval {
		2288	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2289	and die "WARNING: m(un)lockall failed: $!\n";
		2290	};
		2291	warn $@ if $@;
		2292	}
1821	}	2293	}
1822		2294
1823	sub main {	2295	sub main {
1824	# we must not ever block the main coroutine	2296	# we must not ever block the main coroutine
1825	local $Coro::idle = sub {	2297	local $Coro::idle = sub {
1826	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1827	(Coro::unblock_sub {	2299	(async {
1828	Event::one_event;	2300	Event::one_event;
1829	})->();	2301	})->prio (Coro::PRIO_MAX);
1830	};	2302	};
1831		2303
1832	cfg_load;	2304	cfg_load;
1833	db_load;	2305	db_load;
1834	load_extensions;	2306	load_extensions;
		2307
		2308	$TICK_WATCHER->start;
1835	Event::loop;	2309	Event::loop;
1836	}	2310	}
1837		2311
1838	#############################################################################	2312	#############################################################################
1839	# initialisation	2313	# initialisation and cleanup
		2314
		2315	# install some emergency cleanup handlers
		2316	BEGIN {
		2317	for my $signal (qw(INT HUP TERM)) {
		2318	Event->signal (
		2319	reentrant => 0,
		2320	data => WF_AUTOCANCEL,
		2321	signal => $signal,
		2322	prio => 0,
		2323	cb => sub {
		2324	cf::cleanup "SIG$signal";
		2325	},
		2326	);
		2327	}
		2328	}
		2329
		2330	sub emergency_save() {
		2331	my $freeze_guard = cf::freeze_mainloop;
		2332
		2333	warn "enter emergency perl save\n";
		2334
		2335	cf::sync_job {
		2336	# use a peculiar iteration method to avoid tripping on perl
		2337	# refcount bugs in for. also avoids problems with players
		2338	# and maps saved/destroyed asynchronously.
		2339	warn "begin emergency player save\n";
		2340	for my $login (keys %cf::PLAYER) {
		2341	my $pl = $cf::PLAYER{$login} or next;
		2342	$pl->valid or next;
		2343	$pl->save;
		2344	}
		2345	warn "end emergency player save\n";
		2346
		2347	warn "begin emergency map save\n";
		2348	for my $path (keys %cf::MAP) {
		2349	my $map = $cf::MAP{$path} or next;
		2350	$map->valid or next;
		2351	$map->save;
		2352	}
		2353	warn "end emergency map save\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
1840		2358
1841	sub reload() {	2359	sub reload() {
1842	# can/must only be called in main	2360	# can/must only be called in main
1843	if ($Coro::current != $Coro::main) {	2361	if ($Coro::current != $Coro::main) {
1844	warn "can only reload from main coroutine\n";	2362	warn "can only reload from main coroutine";
1845	return;	2363	return;
1846	}	2364	}
1847		2365
1848	warn "reloading...";	2366	warn "reloading...";
1849		2367
1850	local $FREEZE = 1;	2368	warn "cancelling server ticker";
		2369	$TICK_WATCHER->cancel;
		2370
1851	cf::emergency_save;	2371	cf::emergency_save;
1852		2372
1853	eval {	2373	eval {
1854	# if anything goes wrong in here, we should simply crash as we already saved	2374	# if anything goes wrong in here, we should simply crash as we already saved
1855		2375
1856	# cancel all watchers	2376	warn "syncing database to disk";
		2377	cf::db_sync;
		2378
		2379	warn "cancelling all WF_AUTOCANCEL watchers";
1857	for (Event::all_watchers) {	2380	for (Event::all_watchers) {
1858	$_->cancel if $_->data & WF_AUTOCANCEL;	2381	$_->cancel if $_->data & WF_AUTOCANCEL;
1859	}	2382	}
1860		2383
		2384	warn "flushing outstanding aio requests";
		2385	for (;;) {
		2386	IO::AIO::flush;
		2387	Coro::cede;
		2388	last unless IO::AIO::nreqs;
		2389	warn "iterate...";
		2390	}
		2391
1861	# cancel all extension coros	2392	warn "cancelling all extension coros";
1862	$_->cancel for values %EXT_CORO;	2393	$_->cancel for values %EXT_CORO;
1863	%EXT_CORO = ();	2394	%EXT_CORO = ();
1864		2395
1865	# unload all extensions	2396	warn "removing commands";
1866	for (@exts) {	2397	%COMMAND = ();
		2398
		2399	warn "removing ext commands";
		2400	%EXTCMD = ();
		2401
		2402	warn "unloading/nuking all extensions";
		2403	for my $pkg (@EXTS) {
1867	warn "unloading <$_>";	2404	warn "... unloading $pkg";
1868	unload_extension $_;	2405
		2406	if (my $cb = $pkg->can ("unload")) {
		2407	eval {
		2408	$cb->($pkg);
		2409	1
		2410	} or warn "$pkg unloaded, but with errors: $@";
1869	}	2411	}
1870		2412
		2413	warn "... nuking $pkg";
		2414	Symbol::delete_package $pkg;
		2415	}
		2416
1871	# unload all modules loaded from $LIBDIR	2417	warn "unloading all perl modules loaded from $LIBDIR";
1872	while (my ($k, $v) = each %INC) {	2418	while (my ($k, $v) = each %INC) {
1873	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1874		2420
1875	warn "removing <$k>";	2421	warn "... unloading $k";
1876	delete $INC{$k};	2422	delete $INC{$k};
1877		2423
1878	$k =~ s/\.pm$//;	2424	$k =~ s/\.pm$//;
1879	$k =~ s/\//::/g;	2425	$k =~ s/\//::/g;
1880		2426
…		…
1883	}	2429	}
1884		2430
1885	Symbol::delete_package $k;	2431	Symbol::delete_package $k;
1886	}	2432	}
1887		2433
1888	# sync database to disk
1889	cf::db_sync;
1890	IO::AIO::flush;
1891
1892	# get rid of safe::, as good as possible	2434	warn "getting rid of safe::, as good as possible";
1893	Symbol::delete_package "safe::$_"	2435	Symbol::delete_package "safe::$_"
1894	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1895		2437
1896	# remove register_script_function callbacks
1897	# TODO
1898
1899	# unload cf.pm "a bit"	2438	warn "unloading cf.pm \"a bit\"";
1900	delete $INC{"cf.pm"};	2439	delete $INC{"cf.pm"};
1901		2440
1902	# don't, removes xs symbols, too,	2441	# don't, removes xs symbols, too,
1903	# and global variables created in xs	2442	# and global variables created in xs
1904	#Symbol::delete_package __PACKAGE__;	2443	#Symbol::delete_package __PACKAGE__;
1905		2444
1906	# reload cf.pm	2445	warn "unload completed, starting to reload now";
		2446
1907	warn "reloading cf.pm";	2447	warn "reloading cf.pm";
1908	require cf;	2448	require cf;
1909	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1910		2450
1911	# load config and database again	2451	warn "loading config and database again";
1912	cf::cfg_load;	2452	cf::cfg_load;
1913	cf::db_load;	2453	cf::db_load;
1914		2454
1915	# load extensions
1916	warn "load extensions";	2455	warn "loading extensions";
1917	cf::load_extensions;	2456	cf::load_extensions;
1918		2457
1919	# reattach attachments to objects	2458	warn "reattaching attachments to objects/players";
1920	warn "reattach";
1921	_global_reattach;	2459	_global_reattach;
		2460	warn "reattaching attachments to maps";
		2461	reattach $_ for values %MAP;
		2462
		2463	warn "restarting server ticker";
		2464
		2465	$TICK_WATCHER->start;
1922	};	2466	};
1923		2467
1924	if ($@) {	2468	if ($@) {
1925	warn $@;	2469	warn $@;
1926	warn "error while reloading, exiting.";	2470	warn "error while reloading, exiting.";
1927	exit 1;	2471	exit 1;
1928	}	2472	}
1929		2473
1930	warn "reloaded successfully";	2474	warn "reloaded";
1931	};	2475	};
1932		2476
1933	#############################################################################	2477	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} = $LINK_MAP;
1974	}
1975
1976	register "<global>", __PACKAGE__;
1977		2478
1978	register_command "reload" => sub {	2479	register_command "reload" => sub {
1979	my ($who, $arg) = @_;	2480	my ($who, $arg) = @_;
1980		2481
1981	if ($who->flag (FLAG_WIZ)) {	2482	if ($who->flag (FLAG_WIZ)) {
1982	$who->message ("start of reload.");	2483	$who->message ("reloading server.");
		2484
		2485	# doing reload synchronously and two reloads happen back-to-back,
		2486	# coro crashes during coro_state_free->destroy here.
		2487
		2488	$RELOAD_WATCHER ||= Event->timer (
		2489	reentrant => 0,
		2490	after => 0,
		2491	data => WF_AUTOCANCEL,
		2492	cb => sub {
1983	reload;	2493	reload;
1984	$who->message ("end of reload.");	2494	undef $RELOAD_WATCHER;
		2495	},
		2496	);
1985	}	2497	}
1986	};	2498	};
1987		2499
1988	unshift @INC, $LIBDIR;	2500	unshift @INC, $LIBDIR;
		2501
		2502	my $bug_warning = 0;
1989		2503
1990	$TICK_WATCHER = Event->timer (	2504	$TICK_WATCHER = Event->timer (
1991	reentrant => 0,	2505	reentrant => 0,
		2506	parked => 1,
1992	prio => 0,	2507	prio => 0,
1993	at => $NEXT_TICK || $TICK,	2508	at => $NEXT_TICK || $TICK,
1994	data => WF_AUTOCANCEL,	2509	data => WF_AUTOCANCEL,
1995	cb => sub {	2510	cb => sub {
1996	unless ($FREEZE) {	2511	if ($Coro::current != $Coro::main) {
		2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2513	unless ++$bug_warning > 10;
		2514	return;
		2515	}
		2516
		2517	$NOW = Event::time;
		2518
1997	cf::server_tick; # one server iteration	2519	cf::server_tick; # one server iteration
1998	$RUNTIME += $TICK;	2520	$RUNTIME += $TICK;
1999	}
2000
2001	$NEXT_TICK += $TICK;	2521	$NEXT_TICK += $TICK;
		2522
		2523	$WAIT_FOR_TICK->broadcast;
		2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2525
		2526	Event::sweep;
		2527	Coro::cede_notself;
		2528
		2529	# my $AFTER = Event::time;
		2530	# warn $AFTER - $NOW;#d#
2002		2531
2003	# if we are delayed by four ticks or more, skip them all	2532	# if we are delayed by four ticks or more, skip them all
2004	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2005		2534
2006	$TICK_WATCHER->at ($NEXT_TICK);	2535	$TICK_WATCHER->at ($NEXT_TICK);
2007	$TICK_WATCHER->start;	2536	$TICK_WATCHER->start;
2008	},	2537	},
2009	);	2538	);
2010		2539
2011	IO::AIO::max_poll_time $TICK * 0.2;	2540	IO::AIO::max_poll_time $TICK * 0.1;
2012		2541
2013	Event->io (	2542	undef $Coro::AIO::WATCHER;
		2543	$AIO_POLL_WATCHER = Event->io (
		2544	reentrant => 0,
2014	fd => IO::AIO::poll_fileno,	2545	fd => IO::AIO::poll_fileno,
2015	poll => 'r',	2546	poll => 'r',
2016	prio => 5,	2547	prio => 6,
2017	data => WF_AUTOCANCEL,	2548	data => WF_AUTOCANCEL,
2018	cb => \&IO::AIO::poll_cb,	2549	cb => \&IO::AIO::poll_cb,
2019	);	2550	);
2020		2551
2021	Event->timer (	2552	$WRITE_RUNTIME_WATCHER = Event->timer (
		2553	reentrant => 0,
2022	data => WF_AUTOCANCEL,	2554	data => WF_AUTOCANCEL,
2023	after => 0,	2555	after => 1,
2024	interval => 10,	2556	interval => 10,
2025	cb => sub {	2557	prio => 6, # keep it lowest so it acts like a watchdog
2026	(Coro::unblock_sub {	2558	cb => Coro::unblock_sub {
2027	write_runtime	2559	write_runtime
2028	or warn "ERROR: unable to write runtime file: $!";	2560	or warn "ERROR: unable to write runtime file: $!";
2029	})->();
2030	},	2561	},
2031	);	2562	);
2032		2563
		2564	END { cf::emergency_save }
		2565
2033	1	2566	1
2034		2567

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