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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.108 by root, Sun Dec 31 21:02:05 2006 UTC vs.
Revision 1.161 by root, Thu Jan 11 00:16:58 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 3.3 ();
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;
…		…
47	our %CFG;	52	our %CFG;
48		53
49	our $UPTIME; $UPTIME ||= time;	54	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	55	our $RUNTIME;
51		56
		57	our %PLAYER; # all users
52	our %MAP; # all maps	58	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	59	our $LINK_MAP; # the special {link} map
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	60	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	61
		62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
57		64
58	binmode STDOUT;	65	binmode STDOUT;
59	binmode STDERR;	66	binmode STDERR;
60		67
61	# read virtual server time, if available	68	# read virtual server time, if available
…		…
71	mkdir cf::localdir . "/" . cf::uniquedir;	78	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	79	mkdir $RANDOM_MAPS;
73		80
74	# a special map that is always available	81	# a special map that is always available
75	our $LINK_MAP;	82	our $LINK_MAP;
		83	our $EMERGENCY_POSITION;
76		84
77	#############################################################################	85	#############################################################################
78		86
79	=head2 GLOBAL VARIABLES	87	=head2 GLOBAL VARIABLES
80		88
…		…
104		112
105	=item %cf::CFG	113	=item %cf::CFG
106		114
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	115	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	116	from wherever your confdir points to.
		117
		118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		119
		120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		122	processing has been done. Call C<< ->wait >> on them to maximise the
		123	window of cpu time available, or simply to synchronise to the server tick.
109		124
110	=back	125	=back
111		126
112	=cut	127	=cut
113		128
…		…
117	utf8::encode $msg;	132	utf8::encode $msg;
118		133
119	$msg .= "\n"	134	$msg .= "\n"
120	unless $msg =~ /\n$/;	135	unless $msg =~ /\n$/;
121		136
122	LOG llevError, "cfperl: $msg";	137	LOG llevError, $msg;
123	};	138	};
124	}	139	}
125		140
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		160
146	$Event::DIED = sub {	161	$Event::DIED = sub {
147	warn "error in event callback: @_";	162	warn "error in event callback: @_";
148	};	163	};
149		164
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	165	=head2 UTILITY FUNCTIONS
155		166
156	=over 4	167	=over 4
157		168
		169	=item dumpval $ref
		170
158	=cut	171	=cut
		172
		173	sub dumpval {
		174	eval {
		175	local $SIG{__DIE__};
		176	my $d;
		177	if (1) {
		178	$d = new Data::Dumper([$_[0]], ["*var"]);
		179	$d->Terse(1);
		180	$d->Indent(2);
		181	$d->Quotekeys(0);
		182	$d->Useqq(1);
		183	#$d->Bless(...);
		184	$d->Seen($_[1]) if @_ > 1;
		185	$d = $d->Dump();
		186	}
		187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		188	$d
		189	} || "[unable to dump $_[0]: '$@']";
		190	}
159		191
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	192	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		193
162	=item $ref = cf::from_json $json	194	=item $ref = cf::from_json $json
163		195
…		…
178		210
179	sub to_json($) {	211	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]	213	JSON::Syck::Dump $_[0]
182	}	214	}
		215
		216	=item cf::lock_wait $string
		217
		218	Wait until the given lock is available. See cf::lock_acquire.
		219
		220	=item my $lock = cf::lock_acquire $string
		221
		222	Wait until the given lock is available and then acquires it and returns
		223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		224	for example when the coroutine gets canceled), the lock is automatically
		225	returned.
		226
		227	Lock names should begin with a unique identifier (for example, cf::map::find
		228	uses map_find and cf::map::load uses map_load).
		229
		230	=cut
		231
		232	our %LOCK;
		233
		234	sub lock_wait($) {
		235	my ($key) = @_;
		236
		237	# wait for lock, if any
		238	while ($LOCK{$key}) {
		239	push @{ $LOCK{$key} }, $Coro::current;
		240	Coro::schedule;
		241	}
		242	}
		243
		244	sub lock_acquire($) {
		245	my ($key) = @_;
		246
		247	# wait, to be sure we are not locked
		248	lock_wait $key;
		249
		250	$LOCK{$key} = [];
		251
		252	Coro::guard {
		253	# wake up all waiters, to be on the safe side
		254	$_->ready for @{ delete $LOCK{$key} };
		255	}
		256	}
		257
		258	sub freeze_mainloop {
		259	return unless $TICK_WATCHER->is_active;
		260
		261	my $guard = Coro::guard { $TICK_WATCHER->start };
		262	$TICK_WATCHER->stop;
		263	$guard
		264	}
		265
		266	=item cf::async { BLOCK }
		267
		268	Currently the same as Coro::async_pool, meaning you cannot use
		269	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		270	thing you are allowed to do is call C<prio> on it.
		271
		272	=cut
		273
		274	BEGIN { *async = \&Coro::async_pool }
183		275
184	=item cf::sync_job { BLOCK }	276	=item cf::sync_job { BLOCK }
185		277
186	The design of crossfire+ requires that the main coro ($Coro::main) is	278	The design of crossfire+ requires that the main coro ($Coro::main) is
187	always able to handle events or runnable, as crossfire+ is only partly	279	always able to handle events or runnable, as crossfire+ is only partly
…		…
195	=cut	287	=cut
196		288
197	sub sync_job(&) {	289	sub sync_job(&) {
198	my ($job) = @_;	290	my ($job) = @_;
199		291
200	my $busy = 1;
201	my @res;
202
203	# TODO: use suspend/resume instead
204	local $FREEZE = 1;
205
206	my $coro = Coro::async {
207	@res = eval { $job->() };
208	warn $@ if $@;
209	undef $busy;
210	};
211
212	if ($Coro::current == $Coro::main) {	292	if ($Coro::current == $Coro::main) {
		293	# this is the main coro, too bad, we have to block
		294	# till the operation succeeds, freezing the server :/
		295
		296	# TODO: use suspend/resume instead
		297	# (but this is cancel-safe)
		298	my $freeze_guard = freeze_mainloop;
		299
		300	my $busy = 1;
		301	my @res;
		302
		303	(async {
		304	@res = eval { $job->() };
		305	warn $@ if $@;
		306	undef $busy;
213	$coro->prio (Coro::PRIO_MAX);	307	})->prio (Coro::PRIO_MAX);
		308
214	while ($busy) {	309	while ($busy) {
215	Coro::cede_notself;	310	Coro::cede or Event::one_event;
216	Event::one_event unless Coro::nready;
217	}	311	}
		312
		313	wantarray ? @res : $res[0]
218	} else {	314	} else {
219	$coro->join;	315	# we are in another coroutine, how wonderful, everything just works
		316
		317	$job->()
220	}	318	}
221
222	wantarray ? @res : $res[0]
223	}	319	}
224		320
225	=item $coro = cf::coro { BLOCK }	321	=item $coro = cf::async_ext { BLOCK }
226		322
227	Creates and returns a new coro. This coro is automcatially being canceled	323	Like async, but this coro is automatically being canceled when the
228	when the extension calling this is being unloaded.	324	extension calling this is being unloaded.
229		325
230	=cut	326	=cut
231		327
232	sub coro(&) {	328	sub async_ext(&) {
233	my $cb = shift;	329	my $cb = shift;
234		330
235	my $coro; $coro = async {	331	my $coro = &Coro::async ($cb);
236	eval {
237	$cb->();
238	};
239	warn $@ if $@;
240	};
241		332
242	$coro->on_destroy (sub {	333	$coro->on_destroy (sub {
243	delete $EXT_CORO{$coro+0};	334	delete $EXT_CORO{$coro+0};
244	});	335	});
245	$EXT_CORO{$coro+0} = $coro;	336	$EXT_CORO{$coro+0} = $coro;
…		…
251	my $runtime = cf::localdir . "/runtime";	342	my $runtime = cf::localdir . "/runtime";
252		343
253	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
254	or return;	345	or return;
255		346
256	my $value = $cf::RUNTIME;	347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
257	(aio_write $fh, 0, (length $value), $value, 0) <= 0	348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
258	and return;	349	and return;
259		350
260	aio_fsync $fh	351	aio_fsync $fh
261	and return;	352	and return;
…		…
275		366
276	#############################################################################	367	#############################################################################
277		368
278	package cf::path;	369	package cf::path;
279		370
		371	use overload
		372	'""' => \&as_string;
		373
		374	# used to convert map paths into valid unix filenames by repalcing / by ∕
		375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		376
		377	sub register {
		378	my ($pkg, $prefix) = @_;
		379
		380	$EXT_MAP{$prefix} = $pkg;
		381	}
		382
280	sub new {	383	sub new {
281	my ($class, $path, $base) = @_;	384	my ($class, $path, $base) = @_;
282		385
283	my $self = bless { }, $class;	386	return $path if ref $path;
284		387
285	if ($path =~ s{^\?random/}{}) {	388	my $self = {};
286	$self->{random} = cf::from_json $path;	389
		390	# {... are special paths that are not being touched
		391	# ?xxx/... are special absolute paths
		392	# ?random/... random maps
		393	# /! non-realised random map exit
		394	# /... normal maps
		395	# ~/... per-player maps without a specific player (DO NOT USE)
		396	# ~user/... per-player map of a specific user
		397
		398	$path =~ s/$PATH_SEP/\//go;
		399
		400	if ($path =~ /^{/) {
		401	# fine as it is
287	} else {	402	} else {
288	if ($path =~ s{^~([^/]+)?}{}) {	403	if ($path =~ s{^~([^/]+)?}{}) {
		404	# ~user
289	$self->{user_rel} = 1;	405	$self->{user_rel} = 1;
290		406
291	if (defined $1) {	407	if (defined $1) {
292	$self->{user} = $1;	408	$self->{user} = $1;
293	} elsif ($base =~ m{^~([^/]+)/}) {	409	} elsif ($base =~ m{^~([^/]+)/}) {
294	$self->{user} = $1;	410	$self->{user} = $1;
295	} else {	411	} else {
296	warn "cannot resolve user-relative path without user <$path,$base>\n";	412	warn "cannot resolve user-relative path without user <$path,$base>\n";
297	}	413	}
		414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
		415	# ?...
		416	$self->{ext} = $1;
		417	if (my $ext = $EXT_MAP{$1}) {
		418	bless $self, $ext;
		419	}
298	} elsif ($path =~ /^\//) {	420	} elsif ($path =~ /^\//) {
		421	# /...
299	# already absolute	422	# already absolute
300	} else {	423	} else {
		424	# relative
301	$base =~ s{[^/]+/?$}{};	425	$base =~ s{[^/]+/?$}{};
302	return $class->new ("$base/$path");	426	return $class->new ("$base/$path");
303	}	427	}
304		428
305	for ($path) {	429	for ($path) {
…		…
308	}	432	}
309	}	433	}
310		434
311	$self->{path} = $path;	435	$self->{path} = $path;
312		436
		437	if ("HASH" eq ref $self) {
		438	bless $self, $class;
		439	} else {
		440	$self->init;
		441	}
		442
		443	for my $ext (values %EXT_MAP) {
		444	if (my $subst = $ext->substitute ($self)) {
		445	return $subst;
		446	}
		447	}
		448
313	$self	449	$self
		450	}
		451
		452	sub init {
		453	# nop
		454	}
		455
		456	sub substitute {
		457	()
314	}	458	}
315		459
316	# the name / primary key / in-game path	460	# the name / primary key / in-game path
317	sub as_string {	461	sub as_string {
318	my ($self) = @_;	462	my ($self) = @_;
319		463
320	$self->{user_rel} ? "~$self->{user}$self->{path}"	464	$self->{user_rel} ? "~$self->{user}$self->{path}"
321	: $self->{random} ? "?random/$self->{path}"	465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
322	: $self->{path}	466	: $self->{path}
323	}	467	}
324		468
325	# the displayed name, this is a one way mapping	469	# the displayed name, this is a one way mapping
326	sub visible_name {	470	sub visible_name {
327	my ($self) = @_;	471	&as_string
328
329	$self->{random} ? "?random/$self->{random}{origin_map}+$self->{random}{origin_x}+$self->{random}{origin_y}/$self->{random}{dungeon_level}"
330	: $self->as_string
331	}	472	}
332		473
333	# escape the /'s in the path	474	# escape the /'s in the path
334	sub _escaped_path {	475	sub _escaped_path {
335	# ∕ is U+2215
336	(my $path = $_[0]{path}) =~ s/\//∕/g;	476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
337	$path	477	$path
338	}	478	}
339		479
340	# the original (read-only) location	480	# the original (read-only) location
341	sub load_path {	481	sub load_path {
…		…
347	# the temporary/swap location	487	# the temporary/swap location
348	sub save_path {	488	sub save_path {
349	my ($self) = @_;	489	my ($self) = @_;
350		490
351	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path	491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
352	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, Digest::MD5::md5_hex $self->{path}	492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
353	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path	493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
354	}	494	}
355		495
356	# the unique path, might be eq to save_path	496	# the unique path, undef == no special unique path
357	sub uniq_path {	497	sub uniq_path {
358	my ($self) = @_;	498	my ($self) = @_;
359		499
360	$self->{user_rel} || $self->{random}
361	? undef
362	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
363	}
364
365	# return random map parameters, or undef
366	sub random_map_params {
367	my ($self) = @_;
368
369	$self->{random}
370	}	501	}
371		502
372	# this is somewhat ugly, but style maps do need special treatment	503	# this is somewhat ugly, but style maps do need special treatment
373	sub is_style_map {	504	sub is_style_map {
374	$_[0]{path} =~ m{^/styles/}	505	$_[0]{path} =~ m{^/styles/}
		506	}
		507
		508	sub load_orig {
		509	my ($self) = @_;
		510
		511	&cf::map::load_map_header ($self->load_path)
		512	}
		513
		514	sub load_temp {
		515	my ($self) = @_;
		516
		517	&cf::map::load_map_header ($self->save_path)
375	}	518	}
376		519
377	package cf;	520	package cf;
378		521
379	#############################################################################	522	#############################################################################
…		…
790	or return;	933	or return;
791		934
792	unless (aio_stat "$filename.pst") {	935	unless (aio_stat "$filename.pst") {
793	(aio_load "$filename.pst", $av) >= 0	936	(aio_load "$filename.pst", $av) >= 0
794	or return;	937	or return;
795	$av = eval { (Storable::thaw <$av>)->{objs} };	938	$av = eval { (Storable::thaw $av)->{objs} };
796	}	939	}
797		940
		941	warn sprintf "loading %s (%d)\n",
		942	$filename, length $data, scalar @{$av || []};#d#
798	return ($data, $av);	943	return ($data, $av);
799	}	944	}
800		945
801	#############################################################################	946	#############################################################################
802	# command handling &c	947	# command handling &c
…		…
827	=cut	972	=cut
828		973
829	sub register_extcmd {	974	sub register_extcmd {
830	my ($name, $cb) = @_;	975	my ($name, $cb) = @_;
831		976
832	my $caller = caller;
833	#warn "registering extcmd '$name' to '$caller'";
834
835	$EXTCMD{$name} = [$cb, $caller];	977	$EXTCMD{$name} = $cb;
836	}	978	}
837		979
838	cf::player->attach (	980	cf::player->attach (
839	on_command => sub {	981	on_command => sub {
840	my ($pl, $name, $params) = @_;	982	my ($pl, $name, $params) = @_;
…		…
853		995
854	my $msg = eval { from_json $buf };	996	my $msg = eval { from_json $buf };
855		997
856	if (ref $msg) {	998	if (ref $msg) {
857	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	999	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
858	if (my %reply = $cb->[0]->($pl, $msg)) {	1000	if (my %reply = $cb->($pl, $msg)) {
859	$pl->ext_reply ($msg->{msgid}, %reply);	1001	$pl->ext_reply ($msg->{msgid}, %reply);
860	}	1002	}
861	}	1003	}
862	} else {	1004	} else {
863	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1005	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
865		1007
866	cf::override;	1008	cf::override;
867	},	1009	},
868	);	1010	);
869		1011
870	sub register {
871	my ($base, $pkg) = @_;
872
873	#TODO
874	}
875
876	sub load_extension {	1012	sub load_extension {
877	my ($path) = @_;	1013	my ($path) = @_;
878		1014
879	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
880	my $base = $1;	1016	my $base = $1;
881	my $pkg = $1;	1017	my $pkg = $1;
882	$pkg =~ s/[^[:word:]]/_/g;	1018	$pkg =~ s/[^[:word:]]/_/g;
883	$pkg = "ext::$pkg";	1019	$pkg = "ext::$pkg";
884		1020
885	warn "loading '$path' into '$pkg'\n";	1021	warn "... loading '$path' into '$pkg'\n";
886		1022
887	open my $fh, "<:utf8", $path	1023	open my $fh, "<:utf8", $path
888	or die "$path: $!";	1024	or die "$path: $!";
889		1025
890	my $source =	1026	my $source =
…		…
895		1031
896	eval $source	1032	eval $source
897	or die $@ ? "$path: $@\n"	1033	or die $@ ? "$path: $@\n"
898	: "extension disabled.\n";	1034	: "extension disabled.\n";
899		1035
900	push @exts, $pkg;	1036	push @EXTS, $pkg;
901	$ext_pkg{$base} = $pkg;
902
903	# no strict 'refs';
904	# @{"$pkg\::ISA"} = ext::;
905
906	register $base, $pkg;
907	}
908
909	sub unload_extension {
910	my ($pkg) = @_;
911
912	warn "removing extension $pkg\n";
913
914	# remove hooks
915	#TODO
916	# for my $idx (0 .. $#PLUGIN_EVENT) {
917	# delete $hook[$idx]{$pkg};
918	# }
919
920	# remove commands
921	for my $name (keys %COMMAND) {
922	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
923
924	if (@cb) {
925	$COMMAND{$name} = \@cb;
926	} else {
927	delete $COMMAND{$name};
928	}
929	}
930
931	# remove extcmds
932	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
933	delete $EXTCMD{$name};
934	}
935
936	if (my $cb = $pkg->can ("unload")) {
937	eval {
938	$cb->($pkg);
939	1
940	} or warn "$pkg unloaded, but with errors: $@";
941	}
942
943	Symbol::delete_package $pkg;
944	}	1037	}
945		1038
946	sub load_extensions {	1039	sub load_extensions {
947	for my $ext (<$LIBDIR/*.ext>) {	1040	for my $ext (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1041	next unless -r $ext;
…		…
966	};	1059	};
967		1060
968	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
969		1062
970	#############################################################################	1063	#############################################################################
971	# load/save perl data associated with player->ob objects
972
973	sub all_objects(@) {
974	@_, map all_objects ($_->inv), @_
975	}
976
977	# TODO: compatibility cruft, remove when no longer needed
978	cf::player->attach (
979	on_load => sub {
980	my ($pl, $path) = @_;
981
982	for my $o (all_objects $pl->ob) {
983	if (my $value = $o->get_ob_key_value ("_perl_data")) {
984	$o->set_ob_key_value ("_perl_data");
985
986	%$o = %{ Storable::thaw pack "H*", $value };
987	}
988	}
989	},
990	);
991
992	#############################################################################
993		1064
994	=head2 CORE EXTENSIONS	1065	=head2 CORE EXTENSIONS
995		1066
996	Functions and methods that extend core crossfire objects.	1067	Functions and methods that extend core crossfire objects.
997		1068
		1069	=cut
		1070
		1071	package cf::player;
		1072
		1073	use Coro::AIO;
		1074
998	=head3 cf::player	1075	=head3 cf::player
999		1076
1000	=over 4	1077	=over 4
1001		1078
1002	=item cf::player::exists $login	1079	=item cf::player::find $login
1003		1080
1004	Returns true when the given account exists.	1081	Returns the given player object, loading it if necessary (might block).
1005		1082
1006	=cut	1083	=cut
1007		1084
1008	sub cf::player::exists($) {	1085	sub playerdir($) {
1009	cf::player::find $_[0]	1086	cf::localdir
1010	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1087	. "/"
		1088	. cf::playerdir
		1089	. "/"
		1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1091	}
		1092
		1093	sub path($) {
		1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1095
		1096	(playerdir $login) . "/$login.pl"
		1097	}
		1098
		1099	sub find_active($) {
		1100	$cf::PLAYER{$_[0]}
		1101	and $cf::PLAYER{$_[0]}->active
		1102	and $cf::PLAYER{$_[0]}
		1103	}
		1104
		1105	sub exists($) {
		1106	my ($login) = @_;
		1107
		1108	$cf::PLAYER{$login}
		1109	or cf::sync_job { !aio_stat $login }
		1110	}
		1111
		1112	sub find($) {
		1113	return $cf::PLAYER{$_[0]} || do {
		1114	my $login = $_[0];
		1115
		1116	my $guard = cf::lock_acquire "user_find:$login";
		1117
		1118	$cf::PLAYER{$_[0]} || do {
		1119	my $pl = load_pl path $login
		1120	or return;
		1121	$cf::PLAYER{$login} = $pl
		1122	}
		1123	}
		1124	}
		1125
		1126	sub save($) {
		1127	my ($pl) = @_;
		1128
		1129	return if $pl->{deny_save};
		1130
		1131	my $path = path $pl;
		1132	my $guard = cf::lock_acquire "user_save:$path";
		1133
		1134	return if $pl->{deny_save};
		1135
		1136	aio_mkdir playerdir $pl, 0770;
		1137	$pl->{last_save} = $cf::RUNTIME;
		1138
		1139	$pl->save_pl ($path);
		1140	Coro::cede;
		1141	}
		1142
		1143	sub new($) {
		1144	my ($login) = @_;
		1145
		1146	my $self = create;
		1147
		1148	$self->ob->name ($login);
		1149	$self->{deny_save} = 1;
		1150
		1151	$cf::PLAYER{$login} = $self;
		1152
		1153	$self
		1154	}
		1155
		1156	=item $pl->quit_character
		1157
		1158	Nukes the player without looking back. If logged in, the connection will
		1159	be destroyed. May block for a long time.
		1160
		1161	=cut
		1162
		1163	sub quit_character {
		1164	my ($pl) = @_;
		1165
		1166	$pl->{deny_save} = 1;
		1167	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1168
		1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1170	$pl->deactivate;
		1171	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1172	$pl->ns->destroy if $pl->ns;
		1173
		1174	my $path = playerdir $pl;
		1175	my $temp = "$path~$cf::RUNTIME~deleting~";
		1176	aio_rename $path, $temp;
		1177	delete $cf::PLAYER{$pl->ob->name};
		1178	$pl->destroy;
		1179	IO::AIO::aio_rmtree $temp;
		1180	}
		1181
		1182	=item cf::player::list_logins
		1183
		1184	Returns am arrayref of all valid playernames in the system, can take a
		1185	while and may block, so not sync_job-capable, ever.
		1186
		1187	=cut
		1188
		1189	sub list_logins {
		1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1191	or return [];
		1192
		1193	my @logins;
		1194
		1195	for my $login (@$dirs) {
		1196	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1197	aio_read $fh, 0, 512, my $buf, 0 or next;
		1198	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1199
		1200	utf8::decode $login;
		1201	push @logins, $login;
		1202	}
		1203
		1204	\@logins
		1205	}
		1206
		1207	=item $player->maps
		1208
		1209	Returns an arrayref of cf::path's of all maps that are private for this
		1210	player. May block.
		1211
		1212	=cut
		1213
		1214	sub maps($) {
		1215	my ($pl) = @_;
		1216
		1217	my $files = aio_readdir playerdir $pl
		1218	or return;
		1219
		1220	my @paths;
		1221
		1222	for (@$files) {
		1223	utf8::decode $_;
		1224	next if /\.(?:pl|pst)$/;
		1225	next unless /^$PATH_SEP/o;
		1226
		1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
		1228	}
		1229
		1230	\@paths
1011	}	1231	}
1012		1232
1013	=item $player->ext_reply ($msgid, $msgtype, %msg)	1233	=item $player->ext_reply ($msgid, $msgtype, %msg)
1014		1234
1015	Sends an ext reply to the player.	1235	Sends an ext reply to the player.
1016		1236
1017	=cut	1237	=cut
1018		1238
1019	sub cf::player::ext_reply($$$%) {	1239	sub ext_reply($$$%) {
1020	my ($self, $id, %msg) = @_;	1240	my ($self, $id, %msg) = @_;
1021		1241
1022	$msg{msgid} = $id;	1242	$msg{msgid} = $id;
1023		1243
1024	$self->send ("ext " . to_json \%msg);	1244	$self->send ("ext " . cf::to_json \%msg);
1025	}	1245	}
		1246
		1247	package cf;
		1248
		1249	=back
		1250
		1251
		1252	=head3 cf::map
		1253
		1254	=over 4
		1255
		1256	=cut
		1257
		1258	package cf::map;
		1259
		1260	use Fcntl;
		1261	use Coro::AIO;
		1262
		1263	our $MAX_RESET = 3600;
		1264	our $DEFAULT_RESET = 3000;
		1265
		1266	sub generate_random_map {
		1267	my ($path, $rmp) = @_;
		1268
		1269	# mit "rum" bekleckern, nicht
		1270	cf::map::_create_random_map
		1271	$path,
		1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1275	$rmp->{exit_on_final_map},
		1276	$rmp->{xsize}, $rmp->{ysize},
		1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1282	(cf::region::find $rmp->{region})
		1283	}
		1284
		1285	# and all this just because we cannot iterate over
		1286	# all maps in C++...
		1287	sub change_all_map_light {
		1288	my ($change) = @_;
		1289
		1290	$_->change_map_light ($change)
		1291	for grep $_->outdoor, values %cf::MAP;
		1292	}
		1293
		1294	sub load_map_header($) {
		1295	my ($path) = @_;
		1296
		1297	utf8::encode $path;
		1298	aio_open $path, O_RDONLY, 0
		1299	or return;
		1300
		1301	my $map = cf::map::new
		1302	or return;
		1303
		1304	# for better error messages only, will be overwritten later
		1305	$map->path ($path);
		1306
		1307	$map->load_header ($path)
		1308	or return;
		1309
		1310	$map->{load_path} = $path;
		1311
		1312	$map
		1313	}
		1314
		1315	sub find;
		1316	sub find {
		1317	my ($path, $origin) = @_;
		1318
		1319	#warn "find<$path,$origin>\n";#d#
		1320
		1321	$path = new cf::path $path, $origin && $origin->path;
		1322	my $key = $path->as_string;
		1323
		1324	cf::lock_wait "map_find:$key";
		1325
		1326	$cf::MAP{$key} || do {
		1327	my $guard = cf::lock_acquire "map_find:$key";
		1328
		1329	# do it the slow way
		1330	my $map = $path->load_temp;
		1331
		1332	Coro::cede;
		1333
		1334	if ($map) {
		1335	$map->last_access ((delete $map->{last_access})
		1336	|| $cf::RUNTIME); #d#
		1337	# safety
		1338	$map->{instantiate_time} = $cf::RUNTIME
		1339	if $map->{instantiate_time} > $cf::RUNTIME;
		1340	} else {
		1341	$map = $path->load_orig
		1342	or return;
		1343
		1344	$map->{load_original} = 1;
		1345	$map->{instantiate_time} = $cf::RUNTIME;
		1346	$map->last_access ($cf::RUNTIME);
		1347	$map->instantiate;
		1348
		1349	# per-player maps become, after loading, normal maps
		1350	$map->per_player (0) if $path->{user_rel};
		1351	}
		1352
		1353	$map->path ($key);
		1354	$map->{path} = $path;
		1355	$map->{last_save} = $cf::RUNTIME;
		1356
		1357	Coro::cede;
		1358
		1359	if ($map->should_reset) {
		1360	$map->reset;
		1361	undef $guard;
		1362	$map = find $path
		1363	or return;
		1364	}
		1365
		1366	$cf::MAP{$key} = $map
		1367	}
		1368	}
		1369
		1370	sub load {
		1371	my ($self) = @_;
		1372
		1373	my $path = $self->{path};
		1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1375
		1376	return if $self->in_memory != cf::MAP_SWAPPED;
		1377
		1378	$self->in_memory (cf::MAP_LOADING);
		1379
		1380	$self->alloc;
		1381	$self->load_objects ($self->{load_path}, 1)
		1382	or return;
		1383
		1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1385	if delete $self->{load_original};
		1386
		1387	if (my $uniq = $path->uniq_path) {
		1388	utf8::encode $uniq;
		1389	if (aio_open $uniq, O_RDONLY, 0) {
		1390	$self->clear_unique_items;
		1391	$self->load_objects ($uniq, 0);
		1392	}
		1393	}
		1394
		1395	Coro::cede;
		1396
		1397	# now do the right thing for maps
		1398	$self->link_multipart_objects;
		1399
		1400	if ($self->{path}->is_style_map) {
		1401	$self->{deny_save} = 1;
		1402	$self->{deny_reset} = 1;
		1403	} else {
		1404	$self->fix_auto_apply;
		1405	$self->decay_objects;
		1406	$self->update_buttons;
		1407	$self->set_darkness_map;
		1408	$self->difficulty ($self->estimate_difficulty)
		1409	unless $self->difficulty;
		1410	$self->activate;
		1411	}
		1412
		1413	Coro::cede;
		1414
		1415	$self->in_memory (cf::MAP_IN_MEMORY);
		1416	}
		1417
		1418	# find and load all maps in the 3x3 area around a map
		1419	sub load_diag {
		1420	my ($map) = @_;
		1421
		1422	my @diag; # diagonal neighbours
		1423
		1424	for (0 .. 3) {
		1425	my $neigh = $map->tile_path ($_)
		1426	or next;
		1427	$neigh = find $neigh, $map
		1428	or next;
		1429	$neigh->load;
		1430
		1431	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1432	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1433	}
		1434
		1435	for (@diag) {
		1436	my $neigh = find @$_
		1437	or next;
		1438	$neigh->load;
		1439	}
		1440	}
		1441
		1442	sub find_sync {
		1443	my ($path, $origin) = @_;
		1444
		1445	cf::sync_job { find $path, $origin }
		1446	}
		1447
		1448	sub do_load_sync {
		1449	my ($map) = @_;
		1450
		1451	cf::sync_job { $map->load };
		1452	}
		1453
		1454	our %MAP_PREFETCH;
		1455	our $MAP_PREFETCHER = Coro::async {
		1456	while () {
		1457	while (%MAP_PREFETCH) {
		1458	my $key = each %MAP_PREFETCH
		1459	or next;
		1460	my $path = delete $MAP_PREFETCH{$key};
		1461
		1462	my $map = find $path
		1463	or next;
		1464	$map->load;
		1465	}
		1466	Coro::schedule;
		1467	}
		1468	};
		1469
		1470	sub find_async {
		1471	my ($path, $origin) = @_;
		1472
		1473	$path = new cf::path $path, $origin && $origin->path;
		1474	my $key = $path->as_string;
		1475
		1476	if (my $map = $cf::MAP{$key}) {
		1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1478	}
		1479
		1480	$MAP_PREFETCH{$key} = $path;
		1481	$MAP_PREFETCHER->ready;
		1482
		1483	()
		1484	}
		1485
		1486	sub save {
		1487	my ($self) = @_;
		1488
		1489	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1490
		1491	$self->{last_save} = $cf::RUNTIME;
		1492
		1493	return unless $self->dirty;
		1494
		1495	my $save = $self->{path}->save_path; utf8::encode $save;
		1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1497
		1498	$self->{load_path} = $save;
		1499
		1500	return if $self->{deny_save};
		1501
		1502	local $self->{last_access} = $self->last_access;#d#
		1503
		1504	cf::async {
		1505	$_->contr->save for $self->players;
		1506	};
		1507
		1508	if ($uniq) {
		1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1510	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1511	} else {
		1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		1513	}
		1514	}
		1515
		1516	sub swap_out {
		1517	my ($self) = @_;
		1518
		1519	# save first because save cedes
		1520	$self->save;
		1521
		1522	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1523
		1524	return if $self->players;
		1525	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1526	return if $self->{deny_save};
		1527
		1528	$self->clear;
		1529	$self->in_memory (cf::MAP_SWAPPED);
		1530	}
		1531
		1532	sub reset_at {
		1533	my ($self) = @_;
		1534
		1535	# TODO: safety, remove and allow resettable per-player maps
		1536	return 1e99 if $self->{path}{user_rel};
		1537	return 1e99 if $self->{deny_reset};
		1538
		1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1541
		1542	$time + $to
		1543	}
		1544
		1545	sub should_reset {
		1546	my ($self) = @_;
		1547
		1548	$self->reset_at <= $cf::RUNTIME
		1549	}
		1550
		1551	sub unlink_save {
		1552	my ($self) = @_;
		1553
		1554	utf8::encode (my $save = $self->{path}->save_path);
		1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1557	}
		1558
		1559	sub rename {
		1560	my ($self, $new_path) = @_;
		1561
		1562	$self->unlink_save;
		1563
		1564	delete $cf::MAP{$self->path};
		1565	$self->{path} = new cf::path $new_path;
		1566	$self->path ($self->{path}->as_string);
		1567	$cf::MAP{$self->path} = $self;
		1568
		1569	$self->save;
		1570	}
		1571
		1572	sub reset {
		1573	my ($self) = @_;
		1574
		1575	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1576
		1577	return if $self->players;
		1578	return if $self->{path}{user_rel};#d#
		1579
		1580	warn "resetting map ", $self->path;#d#
		1581
		1582	delete $cf::MAP{$self->path};
		1583
		1584	$_->clear_links_to ($self) for values %cf::MAP;
		1585
		1586	$self->unlink_save;
		1587	$self->destroy;
		1588	}
		1589
		1590	my $nuke_counter = "aaaa";
		1591
		1592	sub nuke {
		1593	my ($self) = @_;
		1594
		1595	$self->{deny_save} = 1;
		1596	$self->reset_timeout (1);
		1597	$self->rename ("{nuke}/" . ($nuke_counter++));
		1598	$self->reset; # polite request, might not happen
		1599	}
		1600
		1601	sub customise_for {
		1602	my ($map, $ob) = @_;
		1603
		1604	if ($map->per_player) {
		1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
		1606	}
		1607
		1608	$map
		1609	}
		1610
		1611	=item cf::map::unique_maps
		1612
		1613	Returns an arrayref of cf::path's of all shared maps that have
		1614	instantiated unique items. May block.
		1615
		1616	=cut
		1617
		1618	sub unique_maps() {
		1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1620	or return;
		1621
		1622	my @paths;
		1623
		1624	for (@$files) {
		1625	utf8::decode $_;
		1626	next if /\.pst$/;
		1627	next unless /^$PATH_SEP/o;
		1628
		1629	push @paths, new cf::path $_;
		1630	}
		1631
		1632	\@paths
		1633	}
		1634
		1635	package cf;
		1636
		1637	=back
		1638
		1639	=head3 cf::object
		1640
		1641	=cut
		1642
		1643	package cf::object;
		1644
		1645	=over 4
		1646
		1647	=item $ob->inv_recursive
		1648
		1649	Returns the inventory of the object _and_ their inventories, recursively.
		1650
		1651	=cut
		1652
		1653	sub inv_recursive_;
		1654	sub inv_recursive_ {
		1655	map { $_, inv_recursive_ $_->inv } @_
		1656	}
		1657
		1658	sub inv_recursive {
		1659	inv_recursive_ inv $_[0]
		1660	}
		1661
		1662	package cf;
1026		1663
1027	=back	1664	=back
1028		1665
1029	=head3 cf::object::player	1666	=head3 cf::object::player
1030		1667
…		…
1068	(ref $cf::CFG{"may_$access"}	1705	(ref $cf::CFG{"may_$access"}
1069	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1706	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1070	: $cf::CFG{"may_$access"})	1707	: $cf::CFG{"may_$access"})
1071	}	1708	}
1072		1709
		1710	=item $player_object->enter_link
		1711
		1712	Freezes the player and moves him/her to a special map (C<{link}>).
		1713
		1714	The player should be reaosnably safe there for short amounts of time. You
		1715	I<MUST> call C<leave_link> as soon as possible, though.
		1716
		1717	=item $player_object->leave_link ($map, $x, $y)
		1718
		1719	Moves the player out of the specila link map onto the given map. If the
		1720	map is not valid (or omitted), the player will be moved back to the
		1721	location he/she was before the call to C<enter_link>, or, if that fails,
		1722	to the emergency map position.
		1723
		1724	Might block.
		1725
		1726	=cut
		1727
		1728	sub cf::object::player::enter_link {
		1729	my ($self) = @_;
		1730
		1731	$self->deactivate_recursive;
		1732
		1733	return if $self->map == $LINK_MAP;
		1734
		1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		1736	if $self->map;
		1737
		1738	$self->enter_map ($LINK_MAP, 20, 20);
		1739	}
		1740
		1741	sub cf::object::player::leave_link {
		1742	my ($self, $map, $x, $y) = @_;
		1743
		1744	my $link_pos = delete $self->{_link_pos};
		1745
		1746	unless ($map) {
		1747	# restore original map position
		1748	($map, $x, $y) = @{ $link_pos || [] };
		1749	$map = cf::map::find $map;
		1750
		1751	unless ($map) {
		1752	($map, $x, $y) = @$EMERGENCY_POSITION;
		1753	$map = cf::map::find $map
		1754	or die "FATAL: cannot load emergency map\n";
		1755	}
		1756	}
		1757
		1758	($x, $y) = (-1, -1)
		1759	unless (defined $x) && (defined $y);
		1760
		1761	# use -1 or undef as default coordinates, not 0, 0
		1762	($x, $y) = ($map->enter_x, $map->enter_y)
		1763	if $x <=0 && $y <= 0;
		1764
		1765	$map->load;
		1766	$map->load_diag;
		1767
		1768	return unless $self->contr->active;
		1769	$self->activate_recursive;
		1770	$self->enter_map ($map, $x, $y);
		1771	}
		1772
		1773	cf::player->attach (
		1774	on_logout => sub {
		1775	my ($pl) = @_;
		1776
		1777	# abort map switching before logout
		1778	if ($pl->ob->{_link_pos}) {
		1779	cf::sync_job {
		1780	$pl->ob->leave_link
		1781	};
		1782	}
		1783	},
		1784	on_login => sub {
		1785	my ($pl) = @_;
		1786
		1787	# try to abort aborted map switching on player login :)
		1788	# should happen only on crashes
		1789	if ($pl->ob->{_link_pos}) {
		1790	$pl->ob->enter_link;
		1791	(async {
		1792	# we need this sleep as the login has a concurrent enter_exit running
		1793	# and this sleep increases chances of the player not ending up in scorn
		1794	$pl->ob->reply (undef,
		1795	"There was an internal problem at your last logout, "
		1796	. "the server will try to bring you to your intended destination in a second.",
		1797	cf::NDI_RED);
		1798	Coro::Timer::sleep 1;
		1799	$pl->ob->leave_link;
		1800	})->prio (2);
		1801	}
		1802	},
		1803	);
		1804
		1805	=item $player_object->goto ($path, $x, $y)
		1806
		1807	=cut
		1808
		1809	sub cf::object::player::goto {
		1810	my ($self, $path, $x, $y) = @_;
		1811
		1812	$path = new cf::path $path;
		1813
		1814	$self->enter_link;
		1815
		1816	(async {
		1817	my $map = cf::map::find $path->as_string;
		1818	$map = $map->customise_for ($self) if $map;
		1819
		1820	# warn "entering ", $map->path, " at ($x, $y)\n"
		1821	# if $map;
		1822
		1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1824
		1825	$self->leave_link ($map, $x, $y);
		1826	})->prio (1);
		1827	}
		1828
		1829	=item $player_object->enter_exit ($exit_object)
		1830
		1831	=cut
		1832
		1833	sub parse_random_map_params {
		1834	my ($spec) = @_;
		1835
		1836	my $rmp = { # defaults
		1837	xsize => 10,
		1838	ysize => 10,
		1839	};
		1840
		1841	for (split /\n/, $spec) {
		1842	my ($k, $v) = split /\s+/, $_, 2;
		1843
		1844	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1845	}
		1846
		1847	$rmp
		1848	}
		1849
		1850	sub prepare_random_map {
		1851	my ($exit) = @_;
		1852
		1853	# all this does is basically replace the /! path by
		1854	# a new random map path (?random/...) with a seed
		1855	# that depends on the exit object
		1856
		1857	my $rmp = parse_random_map_params $exit->msg;
		1858
		1859	if ($exit->map) {
		1860	$rmp->{region} = $exit->map->region_name;
		1861	$rmp->{origin_map} = $exit->map->path;
		1862	$rmp->{origin_x} = $exit->x;
		1863	$rmp->{origin_y} = $exit->y;
		1864	}
		1865
		1866	$rmp->{random_seed} ||= $exit->random_seed;
		1867
		1868	my $data = cf::to_json $rmp;
		1869	my $md5 = Digest::MD5::md5_hex $data;
		1870
		1871	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {
		1872	aio_write $fh, 0, (length $data), $data, 0;
		1873
		1874	$exit->slaying ("?random/$md5");
		1875	$exit->msg (undef);
		1876	}
		1877	}
		1878
		1879	sub cf::object::player::enter_exit {
		1880	my ($self, $exit) = @_;
		1881
		1882	return unless $self->type == cf::PLAYER;
		1883
		1884	$self->enter_link;
		1885
		1886	(async {
		1887	$self->deactivate_recursive; # just to be sure
		1888	unless (eval {
		1889	prepare_random_map $exit
		1890	if $exit->slaying eq "/!";
		1891
		1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
		1894
		1895	1;
		1896	}) {
		1897	$self->message ("Something went wrong deep within the crossfire server. "
		1898	. "I'll try to bring you back to the map you were before. "
		1899	. "Please report this to the dungeon master!",
		1900	cf::NDI_UNIQUE | cf::NDI_RED);
		1901
		1902	warn "ERROR in enter_exit: $@";
		1903	$self->leave_link;
		1904	}
		1905	})->prio (1);
		1906	}
		1907
1073	=head3 cf::client	1908	=head3 cf::client
1074		1909
1075	=over 4	1910	=over 4
1076		1911
1077	=item $client->send_drawinfo ($text, $flags)	1912	=item $client->send_drawinfo ($text, $flags)
…		…
1120	on_reply => sub {	1955	on_reply => sub {
1121	my ($ns, $msg) = @_;	1956	my ($ns, $msg) = @_;
1122		1957
1123	# this weird shuffling is so that direct followup queries	1958	# this weird shuffling is so that direct followup queries
1124	# get handled first	1959	# get handled first
1125	my $queue = delete $ns->{query_queue};	1960	my $queue = delete $ns->{query_queue}
		1961	or return; # be conservative, not sure how that can happen, but we saw a crash here
1126		1962
1127	(shift @$queue)->[1]->($msg);	1963	(shift @$queue)->[1]->($msg);
1128		1964
1129	push @{ $ns->{query_queue} }, @$queue;	1965	push @{ $ns->{query_queue} }, @$queue;
1130		1966
…		…
1136	}	1972	}
1137	}	1973	}
1138	},	1974	},
1139	);	1975	);
1140		1976
1141	=item $client->coro (\&cb)	1977	=item $client->async (\&cb)
1142		1978
1143	Create a new coroutine, running the specified callback. The coroutine will	1979	Create a new coroutine, running the specified callback. The coroutine will
1144	be automatically cancelled when the client gets destroyed (e.g. on logout,	1980	be automatically cancelled when the client gets destroyed (e.g. on logout,
1145	or loss of connection).	1981	or loss of connection).
1146		1982
1147	=cut	1983	=cut
1148		1984
1149	sub cf::client::coro {	1985	sub cf::client::async {
1150	my ($self, $cb) = @_;	1986	my ($self, $cb) = @_;
1151		1987
1152	my $coro; $coro = async {	1988	my $coro = &Coro::async ($cb);
1153	eval {
1154	$cb->();
1155	};
1156	warn $@ if $@;
1157	};
1158		1989
1159	$coro->on_destroy (sub {	1990	$coro->on_destroy (sub {
1160	delete $self->{_coro}{$coro+0};	1991	delete $self->{_coro}{$coro+0};
1161	});	1992	});
1162		1993
…		…
1334		2165
1335	{	2166	{
1336	my $path = cf::localdir . "/database.pst";	2167	my $path = cf::localdir . "/database.pst";
1337		2168
1338	sub db_load() {	2169	sub db_load() {
1339	warn "loading database $path\n";#d# remove later
1340	$DB = stat $path ? Storable::retrieve $path : { };	2170	$DB = stat $path ? Storable::retrieve $path : { };
1341	}	2171	}
1342		2172
1343	my $pid;	2173	my $pid;
1344		2174
1345	sub db_save() {	2175	sub db_save() {
1346	warn "saving database $path\n";#d# remove later
1347	waitpid $pid, 0 if $pid;	2176	waitpid $pid, 0 if $pid;
1348	if (0 == ($pid = fork)) {	2177	if (0 == ($pid = fork)) {
1349	$DB->{_meta}{version} = 1;	2178	$DB->{_meta}{version} = 1;
1350	Storable::nstore $DB, "$path~";	2179	Storable::nstore $DB, "$path~";
1351	rename "$path~", $path;	2180	rename "$path~", $path;
…		…
1399	open my $fh, "<:utf8", cf::confdir . "/config"	2228	open my $fh, "<:utf8", cf::confdir . "/config"
1400	or return;	2229	or return;
1401		2230
1402	local $/;	2231	local $/;
1403	*CFG = YAML::Syck::Load <$fh>;	2232	*CFG = YAML::Syck::Load <$fh>;
		2233
		2234	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2235
		2236	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2237	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2238
		2239	if (exists $CFG{mlockall}) {
		2240	eval {
		2241	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2242	and die "WARNING: m(un)lockall failed: $!\n";
		2243	};
		2244	warn $@ if $@;
		2245	}
1404	}	2246	}
1405		2247
1406	sub main {	2248	sub main {
1407	# we must not ever block the main coroutine	2249	# we must not ever block the main coroutine
1408	local $Coro::idle = sub {	2250	local $Coro::idle = sub {
1409	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1410	(Coro::unblock_sub {
1411	Event::one_event;	2252	async { Event::one_event };
1412	})->();
1413	};	2253	};
1414		2254
1415	cfg_load;	2255	cfg_load;
1416	db_load;	2256	db_load;
1417	load_extensions;	2257	load_extensions;
1418	Event::loop;	2258	Event::loop;
1419	}	2259	}
1420		2260
1421	#############################################################################	2261	#############################################################################
1422	# initialisation	2262	# initialisation and cleanup
1423		2263
		2264	# install some emergency cleanup handlers
		2265	BEGIN {
		2266	for my $signal (qw(INT HUP TERM)) {
		2267	Event->signal (
		2268	data => WF_AUTOCANCEL,
		2269	signal => $signal,
		2270	cb => sub {
		2271	cf::cleanup "SIG$signal";
		2272	},
		2273	);
		2274	}
		2275	}
		2276
		2277	sub emergency_save() {
		2278	my $freeze_guard = cf::freeze_mainloop;
		2279
		2280	warn "enter emergency perl save\n";
		2281
		2282	cf::sync_job {
		2283	# use a peculiar iteration method to avoid tripping on perl
		2284	# refcount bugs in for. also avoids problems with players
		2285	# and maps saved/Destroyed asynchronously.
		2286	warn "begin emergency player save\n";
		2287	for my $login (keys %cf::PLAYER) {
		2288	my $pl = $cf::PLAYER{$login} or next;
		2289	$pl->valid or next;
		2290	$pl->save;
		2291	}
		2292	warn "end emergency player save\n";
		2293
		2294	warn "begin emergency map save\n";
		2295	for my $path (keys %cf::MAP) {
		2296	my $map = $cf::MAP{$path} or next;
		2297	$map->valid or next;
		2298	$map->save;
		2299	}
		2300	warn "end emergency map save\n";
		2301	};
		2302
		2303	warn "leave emergency perl save\n";
		2304	}
		2305
1424	sub perl_reload() {	2306	sub reload() {
1425	# can/must only be called in main	2307	# can/must only be called in main
1426	if ($Coro::current != $Coro::main) {	2308	if ($Coro::current != $Coro::main) {
1427	warn "can only reload from main coroutine\n";	2309	warn "can only reload from main coroutine\n";
1428	return;	2310	return;
1429	}	2311	}
1430		2312
1431	warn "reloading...";	2313	warn "reloading...";
1432		2314
1433	local $FREEZE = 1;	2315	warn "freezing server";
		2316	my $guard = freeze_mainloop;
1434	cf::emergency_save;	2317	cf::emergency_save;
		2318
		2319	warn "sync database to disk";
		2320	cf::db_sync;
		2321	IO::AIO::flush;
1435		2322
1436	eval {	2323	eval {
1437	# if anything goes wrong in here, we should simply crash as we already saved	2324	# if anything goes wrong in here, we should simply crash as we already saved
1438		2325
1439	# cancel all watchers	2326	warn "cancel all watchers";
1440	for (Event::all_watchers) {	2327	for (Event::all_watchers) {
1441	$_->cancel if $_->data & WF_AUTOCANCEL;	2328	$_->cancel if $_->data & WF_AUTOCANCEL;
1442	}	2329	}
1443		2330
1444	# cancel all extension coros	2331	warn "cancel all extension coros";
1445	$_->cancel for values %EXT_CORO;	2332	$_->cancel for values %EXT_CORO;
1446	%EXT_CORO = ();	2333	%EXT_CORO = ();
1447		2334
		2335	warn "remove commands";
		2336	%COMMAND = ();
		2337
		2338	warn "remove ext commands";
		2339	%EXTCMD = ();
		2340
1448	# unload all extensions	2341	warn "unload/nuke all extensions";
1449	for (@exts) {	2342	for my $pkg (@EXTS) {
1450	warn "unloading <$_>";	2343	warn "... unloading $pkg";
1451	unload_extension $_;	2344
		2345	if (my $cb = $pkg->can ("unload")) {
		2346	eval {
		2347	$cb->($pkg);
		2348	1
		2349	} or warn "$pkg unloaded, but with errors: $@";
1452	}	2350	}
1453		2351
		2352	warn "... nuking $pkg";
		2353	Symbol::delete_package $pkg;
		2354	}
		2355
1454	# unload all modules loaded from $LIBDIR	2356	warn "unload all perl modules loaded from $LIBDIR";
1455	while (my ($k, $v) = each %INC) {	2357	while (my ($k, $v) = each %INC) {
1456	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1457		2359
1458	warn "removing <$k>";	2360	warn "removing <$k>";
1459	delete $INC{$k};	2361	delete $INC{$k};
…		…
1466	}	2368	}
1467		2369
1468	Symbol::delete_package $k;	2370	Symbol::delete_package $k;
1469	}	2371	}
1470		2372
1471	# sync database to disk
1472	cf::db_sync;
1473	IO::AIO::flush;
1474
1475	# get rid of safe::, as good as possible	2373	warn "get rid of safe::, as good as possible";
1476	Symbol::delete_package "safe::$_"	2374	Symbol::delete_package "safe::$_"
1477	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1478		2376
1479	# remove register_script_function callbacks
1480	# TODO
1481
1482	# unload cf.pm "a bit"	2377	warn "unload cf.pm \"a bit\"";
1483	delete $INC{"cf.pm"};	2378	delete $INC{"cf.pm"};
1484		2379
1485	# don't, removes xs symbols, too,	2380	# don't, removes xs symbols, too,
1486	# and global variables created in xs	2381	# and global variables created in xs
1487	#Symbol::delete_package __PACKAGE__;	2382	#Symbol::delete_package __PACKAGE__;
1488		2383
1489	# reload cf.pm
1490	warn "reloading cf.pm";	2384	warn "reloading cf.pm";
1491	require cf;	2385	require cf;
1492	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1493		2387
1494	# load config and database again	2388	warn "load config and database again";
1495	cf::cfg_load;	2389	cf::cfg_load;
1496	cf::db_load;	2390	cf::db_load;
1497		2391
1498	# load extensions
1499	warn "load extensions";	2392	warn "load extensions";
1500	cf::load_extensions;	2393	cf::load_extensions;
1501		2394
1502	# reattach attachments to objects	2395	warn "reattach attachments to objects/players";
1503	warn "reattach";
1504	_global_reattach;	2396	_global_reattach;
		2397	warn "reattach attachments to maps";
		2398	reattach $_ for values %MAP;
1505	};	2399	};
1506		2400
1507	if ($@) {	2401	if ($@) {
1508	warn $@;	2402	warn $@;
1509	warn "error while reloading, exiting.";	2403	warn "error while reloading, exiting.";
1510	exit 1;	2404	exit 1;
1511	}	2405	}
1512		2406
1513	warn "reloaded successfully";	2407	warn "reloaded";
1514	};	2408	};
1515		2409
1516	#############################################################################	2410	#############################################################################
1517		2411
1518	unless ($LINK_MAP) {	2412	unless ($LINK_MAP) {
…		…
1522	$LINK_MAP->height (41);	2416	$LINK_MAP->height (41);
1523	$LINK_MAP->alloc;	2417	$LINK_MAP->alloc;
1524	$LINK_MAP->path ("{link}");	2418	$LINK_MAP->path ("{link}");
1525	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1526	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1527	}
1528		2421
1529	register "<global>", __PACKAGE__;	2422	# dirty hack because... archetypes are not yet loaded
		2423	Event->timer (
		2424	after => 10,
		2425	cb => sub {
		2426	$_[0]->w->cancel;
1530		2427
		2428	# provide some exits "home"
		2429	my $exit = cf::object::new "exit";
		2430
		2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2434
		2435	$LINK_MAP->insert ($exit->clone, 19, 19);
		2436	$LINK_MAP->insert ($exit->clone, 19, 20);
		2437	$LINK_MAP->insert ($exit->clone, 19, 21);
		2438	$LINK_MAP->insert ($exit->clone, 20, 19);
		2439	$LINK_MAP->insert ($exit->clone, 20, 21);
		2440	$LINK_MAP->insert ($exit->clone, 21, 19);
		2441	$LINK_MAP->insert ($exit->clone, 21, 20);
		2442	$LINK_MAP->insert ($exit->clone, 21, 21);
		2443
		2444	$exit->destroy;
		2445	});
		2446
		2447	$LINK_MAP->{deny_save} = 1;
		2448	$LINK_MAP->{deny_reset} = 1;
		2449
		2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
		2451	}
		2452
1531	register_command "perl-reload" => sub {	2453	register_command "reload" => sub {
1532	my ($who, $arg) = @_;	2454	my ($who, $arg) = @_;
1533		2455
1534	if ($who->flag (FLAG_WIZ)) {	2456	if ($who->flag (FLAG_WIZ)) {
1535	$who->message ("start of reload.");	2457	$who->message ("start of reload.");
1536	perl_reload;	2458	reload;
1537	$who->message ("end of reload.");	2459	$who->message ("end of reload.");
1538	}	2460	}
1539	};	2461	};
1540		2462
1541	unshift @INC, $LIBDIR;	2463	unshift @INC, $LIBDIR;
…		…
1544	reentrant => 0,	2466	reentrant => 0,
1545	prio => 0,	2467	prio => 0,
1546	at => $NEXT_TICK || $TICK,	2468	at => $NEXT_TICK || $TICK,
1547	data => WF_AUTOCANCEL,	2469	data => WF_AUTOCANCEL,
1548	cb => sub {	2470	cb => sub {
1549	unless ($FREEZE) {
1550	cf::server_tick; # one server iteration	2471	cf::server_tick; # one server iteration
1551	$RUNTIME += $TICK;	2472	$RUNTIME += $TICK;
1552	}
1553
1554	$NEXT_TICK += $TICK;	2473	$NEXT_TICK += $TICK;
		2474
		2475	$WAIT_FOR_TICK->broadcast;
		2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
1555		2477
1556	# if we are delayed by four ticks or more, skip them all	2478	# if we are delayed by four ticks or more, skip them all
1557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1558		2480
1559	$TICK_WATCHER->at ($NEXT_TICK);	2481	$TICK_WATCHER->at ($NEXT_TICK);
…		…
1581	or warn "ERROR: unable to write runtime file: $!";	2503	or warn "ERROR: unable to write runtime file: $!";
1582	})->();	2504	})->();
1583	},	2505	},
1584	);	2506	);
1585		2507
		2508	END { cf::emergency_save }
		2509
1586	1	2510	1
1587		2511

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