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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.123 by root, Tue Jan 2 19:18:33 2007 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;
76		83	our $EMERGENCY_POSITION;
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
78		84
79	#############################################################################	85	#############################################################################
80		86
81	=head2 GLOBAL VARIABLES	87	=head2 GLOBAL VARIABLES
82		88
…		…
106		112
107	=item %cf::CFG	113	=item %cf::CFG
108		114
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	115	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	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.
111		124
112	=back	125	=back
113		126
114	=cut	127	=cut
115		128
…		…
119	utf8::encode $msg;	132	utf8::encode $msg;
120		133
121	$msg .= "\n"	134	$msg .= "\n"
122	unless $msg =~ /\n$/;	135	unless $msg =~ /\n$/;
123		136
124	LOG llevError, "cfperl: $msg";	137	LOG llevError, $msg;
125	};	138	};
126	}	139	}
127		140
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		160
148	$Event::DIED = sub {	161	$Event::DIED = sub {
149	warn "error in event callback: @_";	162	warn "error in event callback: @_";
150	};	163	};
151		164
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	165	=head2 UTILITY FUNCTIONS
157		166
158	=over 4	167	=over 4
159		168
		169	=item dumpval $ref
		170
160	=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	}
161		191
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	192	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		193
164	=item $ref = cf::from_json $json	194	=item $ref = cf::from_json $json
165		195
…		…
181	sub to_json($) {	211	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	213	JSON::Syck::Dump $_[0]
184	}	214	}
185		215
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	216	=item cf::lock_wait $string
209		217
210	Wait until the given lock is available. See cf::lock_acquire.	218	Wait until the given lock is available. See cf::lock_acquire.
211		219
212	=item my $lock = cf::lock_acquire $string	220	=item my $lock = cf::lock_acquire $string
213		221
214	Wait until the given lock is available and then acquires it and returns	222	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	224	for example when the coroutine gets canceled), the lock is automatically
217	returned.	225	returned.
218		226
219	Lock names should begin with a unique identifier (for example, find_map	227	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	228	uses map_find and cf::map::load uses map_load).
221		229
222	=cut	230	=cut
223		231
224	our %LOCK;	232	our %LOCK;
225		233
…		…
239	# wait, to be sure we are not locked	247	# wait, to be sure we are not locked
240	lock_wait $key;	248	lock_wait $key;
241		249
242	$LOCK{$key} = [];	250	$LOCK{$key} = [];
243		251
244	cf::guard {	252	Coro::guard {
245	# wake up all waiters, to be on the safe side	253	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	254	$_->ready for @{ delete $LOCK{$key} };
247	}	255	}
248	}	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	$guard
		264	}
		265
		266	=item cf::async { BLOCK }
		267
		268	Currently the same as Coro::async_pool, meaning you cannot use
		269	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		270	thing you are allowed to do is call C<prio> on it.
		271
		272	=cut
		273
		274	BEGIN { *async = \&Coro::async_pool }
249		275
250	=item cf::sync_job { BLOCK }	276	=item cf::sync_job { BLOCK }
251		277
252	The design of crossfire+ requires that the main coro ($Coro::main) is	278	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
267	# this is the main coro, too bad, we have to block	293	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	294	# till the operation succeeds, freezing the server :/
269		295
270	# TODO: use suspend/resume instead	296	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	297	# (but this is cancel-safe)
272	local $FREEZE = 1;	298	my $freeze_guard = freeze_mainloop;
273		299
274	my $busy = 1;	300	my $busy = 1;
275	my @res;	301	my @res;
276		302
277	(Coro::async {	303	(async {
278	@res = eval { $job->() };	304	@res = eval { $job->() };
279	warn $@ if $@;	305	warn $@ if $@;
280	undef $busy;	306	undef $busy;
281	})->prio (Coro::PRIO_MAX);	307	})->prio (Coro::PRIO_MAX);
282		308
283	while ($busy) {	309	while ($busy) {
284	Coro::cede_notself;	310	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	311	}
287		312
288	wantarray ? @res : $res[0]	313	wantarray ? @res : $res[0]
289	} else {	314	} else {
290	# we are in another coroutine, how wonderful, everything just works	315	# we are in another coroutine, how wonderful, everything just works
291		316
292	$job->()	317	$job->()
293	}	318	}
294	}	319	}
295		320
296	=item $coro = cf::coro { BLOCK }	321	=item $coro = cf::async_ext { BLOCK }
297		322
298	Creates and returns a new coro. This coro is automcatially being canceled	323	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	324	extension calling this is being unloaded.
300		325
301	=cut	326	=cut
302		327
303	sub coro(&) {	328	sub async_ext(&) {
304	my $cb = shift;	329	my $cb = shift;
305		330
306	my $coro; $coro = async {	331	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		332
313	$coro->on_destroy (sub {	333	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	334	delete $EXT_CORO{$coro+0};
315	});	335	});
316	$EXT_CORO{$coro+0} = $coro;	336	$EXT_CORO{$coro+0} = $coro;
…		…
346		366
347	#############################################################################	367	#############################################################################
348		368
349	package cf::path;	369	package cf::path;
350		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} = $pkg;
		381	}
		382
351	sub new {	383	sub new {
352	my ($class, $path, $base) = @_;	384	my ($class, $path, $base) = @_;
353		385
354	$path = $path->as_string if ref $path;	386	return $path if ref $path;
355		387
356	my $self = bless { }, $class;	388	my $self = {};
357		389
358	# {... are special paths that are not touched	390	# {... are special paths that are not being touched
359	# ?xxx/... are special absolute paths	391	# ?xxx/... are special absolute paths
360	# ?random/... random maps	392	# ?random/... random maps
361	# /! non-realised random map exit	393	# /! non-realised random map exit
362	# /... normal maps	394	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)	395	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user	396	# ~user/... per-player map of a specific user
365		397
		398	$path =~ s/$PATH_SEP/\//go;
		399
366	if ($path =~ /^{/) {	400	if ($path =~ /^{/) {
367	# fine as it is	401	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {	402	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {	403	if ($path =~ s{^~([^/]+)?}{}) {
		404	# ~user
373	$self->{user_rel} = 1;	405	$self->{user_rel} = 1;
374		406
375	if (defined $1) {	407	if (defined $1) {
376	$self->{user} = $1;	408	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {	409	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;	410	$self->{user} = $1;
379	} else {	411	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";	412	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}	413	}
		414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
		415	# ?...
		416	$self->{ext} = $1;
		417	if (my $ext = $EXT_MAP{$1}) {
		418	bless $self, $ext;
		419	}
382	} elsif ($path =~ /^\//) {	420	} elsif ($path =~ /^\//) {
		421	# /...
383	# already absolute	422	# already absolute
384	} else {	423	} else {
		424	# relative
385	$base =~ s{[^/]+/?$}{};	425	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");	426	return $class->new ("$base/$path");
387	}	427	}
388		428
389	for ($path) {	429	for ($path) {
…		…
392	}	432	}
393	}	433	}
394		434
395	$self->{path} = $path;	435	$self->{path} = $path;
396		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
397	$self	449	$self
		450	}
		451
		452	sub init {
		453	# nop
		454	}
		455
		456	sub substitute {
		457	()
398	}	458	}
399		459
400	# the name / primary key / in-game path	460	# the name / primary key / in-game path
401	sub as_string {	461	sub as_string {
402	my ($self) = @_;	462	my ($self) = @_;
403		463
404	$self->{user_rel} ? "~$self->{user}$self->{path}"	464	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"	465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
406	: $self->{path}	466	: $self->{path}
407	}	467	}
408		468
409	# the displayed name, this is a one way mapping	469	# the displayed name, this is a one way mapping
410	sub visible_name {	470	sub visible_name {
411	my ($self) = @_;	471	&as_string
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}	472	}
420		473
421	# escape the /'s in the path	474	# escape the /'s in the path
422	sub _escaped_path {	475	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;	476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
425	$path	477	$path
426	}	478	}
427		479
428	# the original (read-only) location	480	# the original (read-only) location
429	sub load_path {	481	sub load_path {
…		…
439	$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
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}	492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path	493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}	494	}
443		495
444	# the unique path, might be eq to save_path	496	# the unique path, undef == no special unique path
445	sub uniq_path {	497	sub uniq_path {
446	my ($self) = @_;	498	my ($self) = @_;
447		499
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}	501	}
459		502
460	# this is somewhat ugly, but style maps do need special treatment	503	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {	504	sub is_style_map {
462	$_[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 ($self->save_path)
463	}	518	}
464		519
465	package cf;	520	package cf;
466		521
467	#############################################################################	522	#############################################################################
…		…
917	=cut	972	=cut
918		973
919	sub register_extcmd {	974	sub register_extcmd {
920	my ($name, $cb) = @_;	975	my ($name, $cb) = @_;
921		976
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	977	$EXTCMD{$name} = $cb;
926	}	978	}
927		979
928	cf::player->attach (	980	cf::player->attach (
929	on_command => sub {	981	on_command => sub {
930	my ($pl, $name, $params) = @_;	982	my ($pl, $name, $params) = @_;
…		…
943		995
944	my $msg = eval { from_json $buf };	996	my $msg = eval { from_json $buf };
945		997
946	if (ref $msg) {	998	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	999	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	1000	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	1001	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	1002	}
951	}	1003	}
952	} else {	1004	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1005	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		1007
956	cf::override;	1008	cf::override;
957	},	1009	},
958	);	1010	);
959		1011
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	1012	sub load_extension {
967	my ($path) = @_;	1013	my ($path) = @_;
968		1014
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	1016	my $base = $1;
971	my $pkg = $1;	1017	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	1018	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	1019	$pkg = "ext::$pkg";
974		1020
975	warn "loading '$path' into '$pkg'\n";	1021	warn "... loading '$path' into '$pkg'\n";
976		1022
977	open my $fh, "<:utf8", $path	1023	open my $fh, "<:utf8", $path
978	or die "$path: $!";	1024	or die "$path: $!";
979		1025
980	my $source =	1026	my $source =
…		…
985		1031
986	eval $source	1032	eval $source
987	or die $@ ? "$path: $@\n"	1033	or die $@ ? "$path: $@\n"
988	: "extension disabled.\n";	1034	: "extension disabled.\n";
989		1035
990	push @exts, $pkg;	1036	push @EXTS, $pkg;
991	$ext_pkg{$base} = $pkg;
992
993	# no strict 'refs';
994	# @{"$pkg\::ISA"} = ext::;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }
1009
1010	# remove commands
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	1037	}
1035		1038
1036	sub load_extensions {	1039	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	1040	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	1041	next unless -r $ext;
…		…
1056	};	1059	};
1057		1060
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059		1062
1060	#############################################################################	1063	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		1064
1084	=head2 CORE EXTENSIONS	1065	=head2 CORE EXTENSIONS
1085		1066
1086	Functions and methods that extend core crossfire objects.	1067	Functions and methods that extend core crossfire objects.
1087		1068
		1069	=cut
		1070
		1071	package cf::player;
		1072
		1073	use Coro::AIO;
		1074
1088	=head3 cf::player	1075	=head3 cf::player
1089		1076
1090	=over 4	1077	=over 4
1091		1078
1092	=item cf::player::exists $login	1079	=item cf::player::find $login
1093		1080
1094	Returns true when the given account exists.	1081	Returns the given player object, loading it if necessary (might block).
1095		1082
1096	=cut	1083	=cut
1097		1084
1098	sub cf::player::exists($) {	1085	sub playerdir($) {
1099	cf::player::find $_[0]	1086	cf::localdir
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[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
1101	}	1231	}
1102		1232
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1233	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1234
1105	Sends an ext reply to the player.	1235	Sends an ext reply to the player.
1106		1236
1107	=cut	1237	=cut
1108		1238
1109	sub cf::player::ext_reply($$$%) {	1239	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1240	my ($self, $id, %msg) = @_;
1111		1241
1112	$msg{msgid} = $id;	1242	$msg{msgid} = $id;
1113		1243
1114	$self->send ("ext " . to_json \%msg);	1244	$self->send ("ext " . cf::to_json \%msg);
1115	}	1245	}
		1246
		1247	package cf;
1116		1248
1117	=back	1249	=back
1118		1250
1119		1251
1120	=head3 cf::map	1252	=head3 cf::map
…		…
1126	package cf::map;	1258	package cf::map;
1127		1259
1128	use Fcntl;	1260	use Fcntl;
1129	use Coro::AIO;	1261	use Coro::AIO;
1130		1262
1131	our $MAX_RESET = 7200;	1263	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1264	our $DEFAULT_RESET = 3000;
1133		1265
1134	sub generate_random_map {	1266	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1267	my ($path, $rmp) = @_;
1136		1268
1137	# mit "rum" bekleckern, nicht	1269	# mit "rum" bekleckern, nicht
…		…
1157		1289
1158	$_->change_map_light ($change)	1290	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1291	for grep $_->outdoor, values %cf::MAP;
1160	}	1292	}
1161		1293
1162	sub try_load_header($) {	1294	sub load_map_header($) {
1163	my ($path) = @_;	1295	my ($path) = @_;
1164		1296
1165	utf8::encode $path;	1297	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1298	aio_open $path, O_RDONLY, 0
1167	or return;	1299	or return;
1168		1300
1169	my $map = cf::map::new	1301	my $map = cf::map::new
1170	or return;	1302	or return;
1171		1303
		1304	# for better error messages only, will be overwritten later
		1305	$map->path ($path);
		1306
1172	$map->load_header ($path)	1307	$map->load_header ($path)
1173	or return;	1308	or return;
1174		1309
1175	$map->{load_path} = $path;	1310	$map->{load_path} = $path;
1176		1311
1177	$map	1312	$map
1178	}	1313	}
1179		1314
		1315	sub find;
1180	sub find_map {	1316	sub find {
1181	my ($path, $origin) = @_;	1317	my ($path, $origin) = @_;
1182		1318
1183	#warn "find_map<$path,$origin>\n";#d#	1319	#warn "find<$path,$origin>\n";#d#
1184		1320
1185	$path = new cf::path $path, $origin && $origin->path;	1321	$path = new cf::path $path, $origin && $origin->path;
1186	my $key = $path->as_string;	1322	my $key = $path->as_string;
1187		1323
1188	cf::lock_wait "map_find:$key";	1324	cf::lock_wait "map_find:$key";
1189		1325
1190	$cf::MAP{$key} || do {	1326	$cf::MAP{$key} || do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1327	my $guard = cf::lock_acquire "map_find:$key";
1192		1328
1193	# do it the slow way	1329	# do it the slow way
1194	my $map = try_load_header $path->save_path;	1330	my $map = $path->load_temp;
		1331
		1332	Coro::cede;
1195		1333
1196	if ($map) {	1334	if ($map) {
		1335	$map->last_access ((delete $map->{last_access})
		1336	|| $cf::RUNTIME); #d#
1197	# safety	1337	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME	1338	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;	1339	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {	1340	} else {
1201	if (my $rmp = $path->random_map_params) {	1341	$map = $path->load_orig
1202	$map = generate_random_map $key, $rmp;
1203	} else {
1204	$map = try_load_header $path->load_path;
1205	}
1206
1207	$map or return;	1342	or return;
1208		1343
1209	$map->{load_original} = 1;	1344	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;	1345	$map->{instantiate_time} = $cf::RUNTIME;
		1346	$map->last_access ($cf::RUNTIME);
1211	$map->instantiate;	1347	$map->instantiate;
1212		1348
1213	# per-player maps become, after loading, normal maps	1349	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};	1350	$map->per_player (0) if $path->{user_rel};
1215	}	1351	}
1216		1352
1217	$map->path ($key);	1353	$map->path ($key);
1218	$map->{path} = $path;	1354	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1355	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);	1356
		1357	Coro::cede;
1221		1358
1222	if ($map->should_reset) {	1359	if ($map->should_reset) {
1223	$map->reset;	1360	$map->reset;
1224	undef $guard;	1361	undef $guard;
1225	$map = find_map $path;	1362	$map = find $path
		1363	or return;
1226	}	1364	}
1227		1365
1228	$cf::MAP{$key} = $map	1366	$cf::MAP{$key} = $map
1229	}	1367	}
1230	}	1368	}
…		…
1251	if (aio_open $uniq, O_RDONLY, 0) {	1389	if (aio_open $uniq, O_RDONLY, 0) {
1252	$self->clear_unique_items;	1390	$self->clear_unique_items;
1253	$self->load_objects ($uniq, 0);	1391	$self->load_objects ($uniq, 0);
1254	}	1392	}
1255	}	1393	}
		1394
		1395	Coro::cede;
1256		1396
1257	# now do the right thing for maps	1397	# now do the right thing for maps
1258	$self->link_multipart_objects;	1398	$self->link_multipart_objects;
1259		1399
1260	if ($self->{path}->is_style_map) {	1400	if ($self->{path}->is_style_map) {
…		…
1268	$self->difficulty ($self->estimate_difficulty)	1408	$self->difficulty ($self->estimate_difficulty)
1269	unless $self->difficulty;	1409	unless $self->difficulty;
1270	$self->activate;	1410	$self->activate;
1271	}	1411	}
1272		1412
		1413	Coro::cede;
		1414
1273	$self->in_memory (cf::MAP_IN_MEMORY);	1415	$self->in_memory (cf::MAP_IN_MEMORY);
1274	}	1416	}
1275		1417
1276	sub load_map_sync {	1418	# find and load all maps in the 3x3 area around a map
		1419	sub load_diag {
		1420	my ($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	$neigh->load;
		1439	}
		1440	}
		1441
		1442	sub find_sync {
1277	my ($path, $origin) = @_;	1443	my ($path, $origin) = @_;
1278		1444
1279	#warn "load_map_sync<$path, $origin>\n";#d#	1445	cf::sync_job { find $path, $origin }
		1446	}
1280		1447
1281	cf::sync_job {	1448	sub do_load_sync {
1282	my $map = cf::map::find_map $path, $origin	1449	my ($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
1283	or return;	1459	or next;
		1460	my $path = delete $MAP_PREFETCH{$key};
		1461
		1462	my $map = find $path
		1463	or next;
1284	$map->load;	1464	$map->load;
1285	$map	1465	}
		1466	Coro::schedule;
1286	}	1467	}
		1468	};
		1469
		1470	sub find_async {
		1471	my ($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	$MAP_PREFETCHER->ready;
		1482
		1483	()
1287	}	1484	}
1288		1485
1289	sub save {	1486	sub save {
1290	my ($self) = @_;	1487	my ($self) = @_;
1291		1488
		1489	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1490
1292	$self->{last_save} = $cf::RUNTIME;	1491	$self->{last_save} = $cf::RUNTIME;
1293		1492
1294	return unless $self->dirty;	1493	return unless $self->dirty;
1295		1494
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1495	my $save = $self->{path}->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1298		1497
1299	$self->{load_path} = $save;	1498	$self->{load_path} = $save;
1300		1499
1301	return if $self->{deny_save};	1500	return if $self->{deny_save};
		1501
		1502	local $self->{last_access} = $self->last_access;#d#
		1503
		1504	cf::async {
		1505	$_->contr->save for $self->players;
		1506	};
1302		1507
1303	if ($uniq) {	1508	if ($uniq) {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1305	$self->save_objects ($uniq, cf::IO_UNIQUES);	1510	$self->save_objects ($uniq, cf::IO_UNIQUES);
1306	} else {	1511	} else {
…		…
1309	}	1514	}
1310		1515
1311	sub swap_out {	1516	sub swap_out {
1312	my ($self) = @_;	1517	my ($self) = @_;
1313		1518
		1519	# save first because save cedes
		1520	$self->save;
		1521
		1522	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1523
1314	return if $self->players;	1524	return if $self->players;
1315	return if $self->in_memory != cf::MAP_IN_MEMORY;	1525	return if $self->in_memory != cf::MAP_IN_MEMORY;
1316	return if $self->{deny_save};	1526	return if $self->{deny_save};
1317		1527
1318	$self->save;
1319	$self->clear;	1528	$self->clear;
1320	$self->in_memory (cf::MAP_SWAPPED);	1529	$self->in_memory (cf::MAP_SWAPPED);
1321	}	1530	}
1322		1531
1323	sub reset_at {	1532	sub reset_at {
…		…
1361	}	1570	}
1362		1571
1363	sub reset {	1572	sub reset {
1364	my ($self) = @_;	1573	my ($self) = @_;
1365		1574
		1575	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1576
1366	return if $self->players;	1577	return if $self->players;
1367	return if $self->{path}{user_rel};#d#	1578	return if $self->{path}{user_rel};#d#
1368		1579
1369	warn "resetting map ", $self->path;#d#	1580	warn "resetting map ", $self->path;#d#
1370		1581
…		…
1389		1600
1390	sub customise_for {	1601	sub customise_for {
1391	my ($map, $ob) = @_;	1602	my ($map, $ob) = @_;
1392		1603
1393	if ($map->per_player) {	1604	if ($map->per_player) {
1394	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1395	}	1606	}
1396		1607
1397	$map	1608	$map
1398	}	1609	}
1399		1610
1400	sub emergency_save {	1611	=item cf::map::unique_maps
1401	local $cf::FREEZE = 1;
1402		1612
1403	warn "enter emergency map save\n";	1613	Returns an arrayref of cf::path's of all shared maps that have
		1614	instantiated unique items. May block.
1404		1615
1405	cf::sync_job {	1616	=cut
1406	warn "begin emergency map save\n";	1617
1407	$_->save for values %cf::MAP;	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 $_;
1408	};	1630	}
1409		1631
1410	warn "end emergency map save\n";	1632	\@paths
1411	}	1633	}
1412		1634
1413	package cf;	1635	package cf;
1414		1636
1415	=back	1637	=back
1416		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;
		1663
		1664	=back
1417		1665
1418	=head3 cf::object::player	1666	=head3 cf::object::player
1419		1667
1420	=over 4	1668	=over 4
1421		1669
…		…
1496	my $link_pos = delete $self->{_link_pos};	1744	my $link_pos = delete $self->{_link_pos};
1497		1745
1498	unless ($map) {	1746	unless ($map) {
1499	# restore original map position	1747	# restore original map position
1500	($map, $x, $y) = @{ $link_pos || [] };	1748	($map, $x, $y) = @{ $link_pos || [] };
1501	$map = cf::map::find_map $map;	1749	$map = cf::map::find $map;
1502		1750
1503	unless ($map) {	1751	unless ($map) {
1504	($map, $x, $y) = @$EMERGENCY_POSITION;	1752	($map, $x, $y) = @$EMERGENCY_POSITION;
1505	$map = cf::map::find_map $map	1753	$map = cf::map::find $map
1506	or die "FATAL: cannot load emergency map\n";	1754	or die "FATAL: cannot load emergency map\n";
1507	}	1755	}
1508	}	1756	}
1509		1757
1510	($x, $y) = (-1, -1)	1758	($x, $y) = (-1, -1)
…		…
1513	# use -1 or undef as default coordinates, not 0, 0	1761	# use -1 or undef as default coordinates, not 0, 0
1514	($x, $y) = ($map->enter_x, $map->enter_y)	1762	($x, $y) = ($map->enter_x, $map->enter_y)
1515	if $x <=0 && $y <= 0;	1763	if $x <=0 && $y <= 0;
1516		1764
1517	$map->load;	1765	$map->load;
		1766	$map->load_diag;
1518		1767
		1768	return unless $self->contr->active;
1519	$self->activate_recursive;	1769	$self->activate_recursive;
1520	$self->enter_map ($map, $x, $y);	1770	$self->enter_map ($map, $x, $y);
1521	}	1771	}
1522		1772
1523	cf::player->attach (	1773	cf::player->attach (
…		…
1536		1786
1537	# try to abort aborted map switching on player login :)	1787	# try to abort aborted map switching on player login :)
1538	# should happen only on crashes	1788	# should happen only on crashes
1539	if ($pl->ob->{_link_pos}) {	1789	if ($pl->ob->{_link_pos}) {
1540	$pl->ob->enter_link;	1790	$pl->ob->enter_link;
1541	Coro::async {	1791	(async {
1542	# we need this sleep as the login has a concurrent enter_exit running	1792	# we need this sleep as the login has a concurrent enter_exit running
1543	# and this sleep increases chances of the player not ending up in scorn	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);
1544	Coro::Timer::sleep 1;	1798	Coro::Timer::sleep 1;
1545	$pl->ob->leave_link;	1799	$pl->ob->leave_link;
1546	};	1800	})->prio (2);
1547	}	1801	}
1548	},	1802	},
1549	);	1803	);
1550		1804
1551	=item $player_object->goto_map ($path, $x, $y)	1805	=item $player_object->goto ($path, $x, $y)
1552		1806
1553	=cut	1807	=cut
1554		1808
1555	sub cf::object::player::goto_map {	1809	sub cf::object::player::goto {
1556	my ($self, $path, $x, $y) = @_;	1810	my ($self, $path, $x, $y) = @_;
1557		1811
		1812	$path = new cf::path $path;
		1813
1558	$self->enter_link;	1814	$self->enter_link;
1559		1815
1560	(Coro::async {	1816	(async {
1561	$path = new cf::path $path;
1562
1563	my $map = cf::map::find_map $path->as_string;	1817	my $map = cf::map::find $path->as_string;
1564	$map = $map->customise_for ($self) if $map;	1818	$map = $map->customise_for ($self) if $map;
1565		1819
1566	# warn "entering ", $map->path, " at ($x, $y)\n"	1820	# warn "entering ", $map->path, " at ($x, $y)\n"
1567	# if $map;	1821	# if $map;
1568		1822
1569	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1570		1824
1571	$self->leave_link ($map, $x, $y);	1825	$self->leave_link ($map, $x, $y);
1572	})->prio (1);	1826	})->prio (1);
1573	}	1827	}
1574		1828
…		…
1627		1881
1628	return unless $self->type == cf::PLAYER;	1882	return unless $self->type == cf::PLAYER;
1629		1883
1630	$self->enter_link;	1884	$self->enter_link;
1631		1885
1632	(Coro::async {	1886	(async {
		1887	$self->deactivate_recursive; # just to be sure
1633	unless (eval {	1888	unless (eval {
1634
1635	prepare_random_map $exit	1889	prepare_random_map $exit
1636	if $exit->slaying eq "/!";	1890	if $exit->slaying eq "/!";
1637		1891
1638	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1639	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1640		1894
1641	1;	1895	1;
1642	}) {	1896	}) {
1643	$self->message ("Something went wrong deep within the crossfire server. "	1897	$self->message ("Something went wrong deep within the crossfire server. "
1644	. "I'll try to bring you back to the map you were before. "	1898	. "I'll try to bring you back to the map you were before. "
1645	. "Please report this to the dungeon master",	1899	. "Please report this to the dungeon master!",
1646	cf::NDI_UNIQUE | cf::NDI_RED);	1900	cf::NDI_UNIQUE | cf::NDI_RED);
1647		1901
1648	warn "ERROR in enter_exit: $@";	1902	warn "ERROR in enter_exit: $@";
1649	$self->leave_link;	1903	$self->leave_link;
1650	}	1904	}
…		…
1701	on_reply => sub {	1955	on_reply => sub {
1702	my ($ns, $msg) = @_;	1956	my ($ns, $msg) = @_;
1703		1957
1704	# this weird shuffling is so that direct followup queries	1958	# this weird shuffling is so that direct followup queries
1705	# get handled first	1959	# get handled first
1706	my $queue = delete $ns->{query_queue};	1960	my $queue = delete $ns->{query_queue}
		1961	or return; # be conservative, not sure how that can happen, but we saw a crash here
1707		1962
1708	(shift @$queue)->[1]->($msg);	1963	(shift @$queue)->[1]->($msg);
1709		1964
1710	push @{ $ns->{query_queue} }, @$queue;	1965	push @{ $ns->{query_queue} }, @$queue;
1711		1966
…		…
1717	}	1972	}
1718	}	1973	}
1719	},	1974	},
1720	);	1975	);
1721		1976
1722	=item $client->coro (\&cb)	1977	=item $client->async (\&cb)
1723		1978
1724	Create a new coroutine, running the specified callback. The coroutine will	1979	Create a new coroutine, running the specified callback. The coroutine will
1725	be automatically cancelled when the client gets destroyed (e.g. on logout,	1980	be automatically cancelled when the client gets destroyed (e.g. on logout,
1726	or loss of connection).	1981	or loss of connection).
1727		1982
1728	=cut	1983	=cut
1729		1984
1730	sub cf::client::coro {	1985	sub cf::client::async {
1731	my ($self, $cb) = @_;	1986	my ($self, $cb) = @_;
1732		1987
1733	my $coro; $coro = async {	1988	my $coro = &Coro::async ($cb);
1734	eval {
1735	$cb->();
1736	};
1737	warn $@ if $@;
1738	};
1739		1989
1740	$coro->on_destroy (sub {	1990	$coro->on_destroy (sub {
1741	delete $self->{_coro}{$coro+0};	1991	delete $self->{_coro}{$coro+0};
1742	});	1992	});
1743		1993
…		…
1978	open my $fh, "<:utf8", cf::confdir . "/config"	2228	open my $fh, "<:utf8", cf::confdir . "/config"
1979	or return;	2229	or return;
1980		2230
1981	local $/;	2231	local $/;
1982	*CFG = YAML::Syck::Load <$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	}
1983	}	2246	}
1984		2247
1985	sub main {	2248	sub main {
1986	# we must not ever block the main coroutine	2249	# we must not ever block the main coroutine
1987	local $Coro::idle = sub {	2250	local $Coro::idle = sub {
1988	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1989	(Coro::unblock_sub {
1990	Event::one_event;	2252	async { Event::one_event };
1991	})->();
1992	};	2253	};
1993		2254
1994	cfg_load;	2255	cfg_load;
1995	db_load;	2256	db_load;
1996	load_extensions;	2257	load_extensions;
1997	Event::loop;	2258	Event::loop;
1998	}	2259	}
1999		2260
2000	#############################################################################	2261	#############################################################################
2001	# initialisation	2262	# initialisation and cleanup
		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	$map->save;
		2299	}
		2300	warn "end emergency map save\n";
		2301	};
		2302
		2303	warn "leave emergency perl save\n";
		2304	}
2002		2305
2003	sub reload() {	2306	sub reload() {
2004	# can/must only be called in main	2307	# can/must only be called in main
2005	if ($Coro::current != $Coro::main) {	2308	if ($Coro::current != $Coro::main) {
2006	warn "can only reload from main coroutine\n";	2309	warn "can only reload from main coroutine\n";
2007	return;	2310	return;
2008	}	2311	}
2009		2312
2010	warn "reloading...";	2313	warn "reloading...";
2011		2314
2012	local $FREEZE = 1;	2315	warn "freezing server";
		2316	my $guard = freeze_mainloop;
2013	cf::emergency_save;	2317	cf::emergency_save;
		2318
		2319	warn "sync database to disk";
		2320	cf::db_sync;
		2321	IO::AIO::flush;
2014		2322
2015	eval {	2323	eval {
2016	# 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
2017		2325
2018	# cancel all watchers	2326	warn "cancel all watchers";
2019	for (Event::all_watchers) {	2327	for (Event::all_watchers) {
2020	$_->cancel if $_->data & WF_AUTOCANCEL;	2328	$_->cancel if $_->data & WF_AUTOCANCEL;
2021	}	2329	}
2022		2330
2023	# cancel all extension coros	2331	warn "cancel all extension coros";
2024	$_->cancel for values %EXT_CORO;	2332	$_->cancel for values %EXT_CORO;
2025	%EXT_CORO = ();	2333	%EXT_CORO = ();
2026		2334
		2335	warn "remove commands";
		2336	%COMMAND = ();
		2337
		2338	warn "remove ext commands";
		2339	%EXTCMD = ();
		2340
2027	# unload all extensions	2341	warn "unload/nuke all extensions";
2028	for (@exts) {	2342	for my $pkg (@EXTS) {
2029	warn "unloading <$_>";	2343	warn "... unloading $pkg";
2030	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: $@";
2031	}	2350	}
2032		2351
		2352	warn "... nuking $pkg";
		2353	Symbol::delete_package $pkg;
		2354	}
		2355
2033	# unload all modules loaded from $LIBDIR	2356	warn "unload all perl modules loaded from $LIBDIR";
2034	while (my ($k, $v) = each %INC) {	2357	while (my ($k, $v) = each %INC) {
2035	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2036		2359
2037	warn "removing <$k>";	2360	warn "removing <$k>";
2038	delete $INC{$k};	2361	delete $INC{$k};
…		…
2045	}	2368	}
2046		2369
2047	Symbol::delete_package $k;	2370	Symbol::delete_package $k;
2048	}	2371	}
2049		2372
2050	# sync database to disk
2051	cf::db_sync;
2052	IO::AIO::flush;
2053
2054	# get rid of safe::, as good as possible	2373	warn "get rid of safe::, as good as possible";
2055	Symbol::delete_package "safe::$_"	2374	Symbol::delete_package "safe::$_"
2056	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);
2057		2376
2058	# remove register_script_function callbacks
2059	# TODO
2060
2061	# unload cf.pm "a bit"	2377	warn "unload cf.pm \"a bit\"";
2062	delete $INC{"cf.pm"};	2378	delete $INC{"cf.pm"};
2063		2379
2064	# don't, removes xs symbols, too,	2380	# don't, removes xs symbols, too,
2065	# and global variables created in xs	2381	# and global variables created in xs
2066	#Symbol::delete_package __PACKAGE__;	2382	#Symbol::delete_package __PACKAGE__;
2067		2383
2068	# reload cf.pm
2069	warn "reloading cf.pm";	2384	warn "reloading cf.pm";
2070	require cf;	2385	require cf;
2071	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2072		2387
2073	# load config and database again	2388	warn "load config and database again";
2074	cf::cfg_load;	2389	cf::cfg_load;
2075	cf::db_load;	2390	cf::db_load;
2076		2391
2077	# load extensions
2078	warn "load extensions";	2392	warn "load extensions";
2079	cf::load_extensions;	2393	cf::load_extensions;
2080		2394
2081	# reattach attachments to objects	2395	warn "reattach attachments to objects/players";
2082	warn "reattach";
2083	_global_reattach;	2396	_global_reattach;
		2397	warn "reattach attachments to maps";
		2398	reattach $_ for values %MAP;
2084	};	2399	};
2085		2400
2086	if ($@) {	2401	if ($@) {
2087	warn $@;	2402	warn $@;
2088	warn "error while reloading, exiting.";	2403	warn "error while reloading, exiting.";
2089	exit 1;	2404	exit 1;
2090	}	2405	}
2091		2406
2092	warn "reloaded successfully";	2407	warn "reloaded";
2093	};	2408	};
2094		2409
2095	#############################################################################	2410	#############################################################################
2096		2411
2097	unless ($LINK_MAP) {	2412	unless ($LINK_MAP) {
…		…
2104	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2105	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2106		2421
2107	# dirty hack because... archetypes are not yet loaded	2422	# dirty hack because... archetypes are not yet loaded
2108	Event->timer (	2423	Event->timer (
2109	after => 2,	2424	after => 10,
2110	cb => sub {	2425	cb => sub {
2111	$_[0]->w->cancel;	2426	$_[0]->w->cancel;
2112		2427
2113	# provide some exits "home"	2428	# provide some exits "home"
2114	my $exit = cf::object::new "exit";	2429	my $exit = cf::object::new "exit";
…		…
2133	$LINK_MAP->{deny_reset} = 1;	2448	$LINK_MAP->{deny_reset} = 1;
2134		2449
2135	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;	2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2136	}	2451	}
2137		2452
2138	register "<global>", __PACKAGE__;
2139
2140	register_command "reload" => sub {	2453	register_command "reload" => sub {
2141	my ($who, $arg) = @_;	2454	my ($who, $arg) = @_;
2142		2455
2143	if ($who->flag (FLAG_WIZ)) {	2456	if ($who->flag (FLAG_WIZ)) {
2144	$who->message ("start of reload.");	2457	$who->message ("start of reload.");
…		…
2153	reentrant => 0,	2466	reentrant => 0,
2154	prio => 0,	2467	prio => 0,
2155	at => $NEXT_TICK || $TICK,	2468	at => $NEXT_TICK || $TICK,
2156	data => WF_AUTOCANCEL,	2469	data => WF_AUTOCANCEL,
2157	cb => sub {	2470	cb => sub {
2158	unless ($FREEZE) {
2159	cf::server_tick; # one server iteration	2471	cf::server_tick; # one server iteration
2160	$RUNTIME += $TICK;	2472	$RUNTIME += $TICK;
2161	}
2162
2163	$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;
2164		2477
2165	# 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
2166	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2167		2480
2168	$TICK_WATCHER->at ($NEXT_TICK);	2481	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2190	or warn "ERROR: unable to write runtime file: $!";	2503	or warn "ERROR: unable to write runtime file: $!";
2191	})->();	2504	})->();
2192	},	2505	},
2193	);	2506	);
2194		2507
		2508	END { cf::emergency_save }
		2509
2195	1	2510	1
2196		2511

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