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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.120 by root, Tue Jan 2 11:08:36 2007 UTC vs.
Revision 1.162 by root, Thu Jan 11 00:41:08 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;
		477
425	$path	478	$path
426	}	479	}
427		480
428	# the original (read-only) location	481	# the original (read-only) location
429	sub load_path {	482	sub load_path {
…		…
434		487
435	# the temporary/swap location	488	# the temporary/swap location
436	sub save_path {	489	sub save_path {
437	my ($self) = @_;	490	my ($self) = @_;
438		491
		492	$self->{user_rel}
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path	493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path	494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}	495	}
443		496
444	# the unique path, might be eq to save_path	497	# the unique path, undef == no special unique path
445	sub uniq_path {	498	sub uniq_path {
446	my ($self) = @_;	499	my ($self) = @_;
447		500
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	501	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	}	502	}
459		503
460	# this is somewhat ugly, but style maps do need special treatment	504	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {	505	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}	506	$_[0]{path} =~ m{^/styles/}
		507	}
		508
		509	sub load_orig {
		510	my ($self) = @_;
		511
		512	&cf::map::load_map_header ($self->load_path)
		513	}
		514
		515	sub load_temp {
		516	my ($self) = @_;
		517
		518	&cf::map::load_map_header ($self->save_path)
463	}	519	}
464		520
465	package cf;	521	package cf;
466		522
467	#############################################################################	523	#############################################################################
…		…
917	=cut	973	=cut
918		974
919	sub register_extcmd {	975	sub register_extcmd {
920	my ($name, $cb) = @_;	976	my ($name, $cb) = @_;
921		977
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	978	$EXTCMD{$name} = $cb;
926	}	979	}
927		980
928	cf::player->attach (	981	cf::player->attach (
929	on_command => sub {	982	on_command => sub {
930	my ($pl, $name, $params) = @_;	983	my ($pl, $name, $params) = @_;
…		…
943		996
944	my $msg = eval { from_json $buf };	997	my $msg = eval { from_json $buf };
945		998
946	if (ref $msg) {	999	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1000	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	1001	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	1002	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	1003	}
951	}	1004	}
952	} else {	1005	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1006	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		1008
956	cf::override;	1009	cf::override;
957	},	1010	},
958	);	1011	);
959		1012
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	1013	sub load_extension {
967	my ($path) = @_;	1014	my ($path) = @_;
968		1015
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1016	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	1017	my $base = $1;
971	my $pkg = $1;	1018	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	1019	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	1020	$pkg = "ext::$pkg";
974		1021
975	warn "loading '$path' into '$pkg'\n";	1022	warn "... loading '$path' into '$pkg'\n";
976		1023
977	open my $fh, "<:utf8", $path	1024	open my $fh, "<:utf8", $path
978	or die "$path: $!";	1025	or die "$path: $!";
979		1026
980	my $source =	1027	my $source =
…		…
985		1032
986	eval $source	1033	eval $source
987	or die $@ ? "$path: $@\n"	1034	or die $@ ? "$path: $@\n"
988	: "extension disabled.\n";	1035	: "extension disabled.\n";
989		1036
990	push @exts, $pkg;	1037	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	}	1038	}
1035		1039
1036	sub load_extensions {	1040	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	1041	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	1042	next unless -r $ext;
…		…
1056	};	1060	};
1057		1061
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059		1063
1060	#############################################################################	1064	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->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		1065
1084	=head2 CORE EXTENSIONS	1066	=head2 CORE EXTENSIONS
1085		1067
1086	Functions and methods that extend core crossfire objects.	1068	Functions and methods that extend core crossfire objects.
1087		1069
		1070	=cut
		1071
		1072	package cf::player;
		1073
		1074	use Coro::AIO;
		1075
1088	=head3 cf::player	1076	=head3 cf::player
1089		1077
1090	=over 4	1078	=over 4
1091		1079
1092	=item cf::player::exists $login	1080	=item cf::player::find $login
1093		1081
1094	Returns true when the given account exists.	1082	Returns the given player object, loading it if necessary (might block).
1095		1083
1096	=cut	1084	=cut
1097		1085
1098	sub cf::player::exists($) {	1086	sub playerdir($) {
1099	cf::player::find $_[0]	1087	cf::localdir
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1088	. "/"
		1089	. cf::playerdir
		1090	. "/"
		1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1092	}
		1093
		1094	sub path($) {
		1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1096
		1097	(playerdir $login) . "/$login.pl"
		1098	}
		1099
		1100	sub find_active($) {
		1101	$cf::PLAYER{$_[0]}
		1102	and $cf::PLAYER{$_[0]}->active
		1103	and $cf::PLAYER{$_[0]}
		1104	}
		1105
		1106	sub exists($) {
		1107	my ($login) = @_;
		1108
		1109	$cf::PLAYER{$login}
		1110	or cf::sync_job { !aio_stat $login }
		1111	}
		1112
		1113	sub find($) {
		1114	return $cf::PLAYER{$_[0]} || do {
		1115	my $login = $_[0];
		1116
		1117	my $guard = cf::lock_acquire "user_find:$login";
		1118
		1119	$cf::PLAYER{$_[0]} || do {
		1120	my $pl = load_pl path $login
		1121	or return;
		1122	$cf::PLAYER{$login} = $pl
		1123	}
		1124	}
		1125	}
		1126
		1127	sub save($) {
		1128	my ($pl) = @_;
		1129
		1130	return if $pl->{deny_save};
		1131
		1132	my $path = path $pl;
		1133	my $guard = cf::lock_acquire "user_save:$path";
		1134
		1135	return if $pl->{deny_save};
		1136
		1137	aio_mkdir playerdir $pl, 0770;
		1138	$pl->{last_save} = $cf::RUNTIME;
		1139
		1140	$pl->save_pl ($path);
		1141	Coro::cede;
		1142	}
		1143
		1144	sub new($) {
		1145	my ($login) = @_;
		1146
		1147	my $self = create;
		1148
		1149	$self->ob->name ($login);
		1150	$self->{deny_save} = 1;
		1151
		1152	$cf::PLAYER{$login} = $self;
		1153
		1154	$self
		1155	}
		1156
		1157	=item $pl->quit_character
		1158
		1159	Nukes the player without looking back. If logged in, the connection will
		1160	be destroyed. May block for a long time.
		1161
		1162	=cut
		1163
		1164	sub quit_character {
		1165	my ($pl) = @_;
		1166
		1167	$pl->{deny_save} = 1;
		1168	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1169
		1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1171	$pl->deactivate;
		1172	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1173	$pl->ns->destroy if $pl->ns;
		1174
		1175	my $path = playerdir $pl;
		1176	my $temp = "$path~$cf::RUNTIME~deleting~";
		1177	aio_rename $path, $temp;
		1178	delete $cf::PLAYER{$pl->ob->name};
		1179	$pl->destroy;
		1180	IO::AIO::aio_rmtree $temp;
		1181	}
		1182
		1183	=item cf::player::list_logins
		1184
		1185	Returns am arrayref of all valid playernames in the system, can take a
		1186	while and may block, so not sync_job-capable, ever.
		1187
		1188	=cut
		1189
		1190	sub list_logins {
		1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1192	or return [];
		1193
		1194	my @logins;
		1195
		1196	for my $login (@$dirs) {
		1197	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1198	aio_read $fh, 0, 512, my $buf, 0 or next;
		1199	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1200
		1201	utf8::decode $login;
		1202	push @logins, $login;
		1203	}
		1204
		1205	\@logins
		1206	}
		1207
		1208	=item $player->maps
		1209
		1210	Returns an arrayref of cf::path's of all maps that are private for this
		1211	player. May block.
		1212
		1213	=cut
		1214
		1215	sub maps($) {
		1216	my ($pl) = @_;
		1217
		1218	my $files = aio_readdir playerdir $pl
		1219	or return;
		1220
		1221	my @paths;
		1222
		1223	for (@$files) {
		1224	utf8::decode $_;
		1225	next if /\.(?:pl|pst)$/;
		1226	next unless /^$PATH_SEP/o;
		1227
		1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
		1229	}
		1230
		1231	\@paths
1101	}	1232	}
1102		1233
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1234	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1235
1105	Sends an ext reply to the player.	1236	Sends an ext reply to the player.
1106		1237
1107	=cut	1238	=cut
1108		1239
1109	sub cf::player::ext_reply($$$%) {	1240	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1241	my ($self, $id, %msg) = @_;
1111		1242
1112	$msg{msgid} = $id;	1243	$msg{msgid} = $id;
1113		1244
1114	$self->send ("ext " . to_json \%msg);	1245	$self->send ("ext " . cf::to_json \%msg);
1115	}	1246	}
		1247
		1248	package cf;
1116		1249
1117	=back	1250	=back
1118		1251
1119		1252
1120	=head3 cf::map	1253	=head3 cf::map
…		…
1126	package cf::map;	1259	package cf::map;
1127		1260
1128	use Fcntl;	1261	use Fcntl;
1129	use Coro::AIO;	1262	use Coro::AIO;
1130		1263
1131	our $MAX_RESET = 7200;	1264	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1265	our $DEFAULT_RESET = 3000;
1133		1266
1134	sub generate_random_map {	1267	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1268	my ($path, $rmp) = @_;
1136		1269
1137	# mit "rum" bekleckern, nicht	1270	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1271	cf::map::_create_random_map (
1139	$path,	1272	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1276	$rmp->{exit_on_final_map},
…		…
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1278	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1279	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1280	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1281	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1283	(cf::region::find $rmp->{region}), $rmp->{custom}
		1284	)
1151	}	1285	}
1152		1286
1153	# and all this just because we cannot iterate over	1287	# and all this just because we cannot iterate over
1154	# all maps in C++...	1288	# all maps in C++...
1155	sub change_all_map_light {	1289	sub change_all_map_light {
1156	my ($change) = @_;	1290	my ($change) = @_;
1157		1291
1158	$_->change_map_light ($change) for values %cf::MAP;	1292	$_->change_map_light ($change)
		1293	for grep $_->outdoor, values %cf::MAP;
1159	}	1294	}
1160		1295
1161	sub try_load_header($) {	1296	sub load_map_header($) {
1162	my ($path) = @_;	1297	my ($path) = @_;
1163		1298
1164	utf8::encode $path;	1299	utf8::encode $path;
1165	aio_open $path, O_RDONLY, 0	1300	aio_open $path, O_RDONLY, 0
1166	or return;	1301	or return;
1167		1302
1168	my $map = cf::map::new	1303	my $map = cf::map::new
1169	or return;	1304	or return;
1170		1305
		1306	# for better error messages only, will be overwritten later
		1307	$map->path ($path);
		1308
1171	$map->load_header ($path)	1309	$map->load_header ($path)
1172	or return;	1310	or return;
1173		1311
1174	$map->{load_path} = $path;	1312	$map->{load_path} = $path;
1175		1313
1176	$map	1314	$map
1177	}	1315	}
1178		1316
		1317	sub find;
1179	sub find_map {	1318	sub find {
1180	my ($path, $origin) = @_;	1319	my ($path, $origin) = @_;
1181		1320
1182	#warn "find_map<$path,$origin>\n";#d#	1321	#warn "find<$path,$origin>\n";#d#
1183		1322
1184	$path = new cf::path $path, $origin && $origin->path;	1323	$path = new cf::path $path, $origin && $origin->path;
1185	my $key = $path->as_string;	1324	my $key = $path->as_string;
1186		1325
1187	cf::lock_wait "map_find:$key";	1326	cf::lock_wait "map_find:$key";
1188		1327
1189	$cf::MAP{$key} || do {	1328	$cf::MAP{$key} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1329	my $guard = cf::lock_acquire "map_find:$key";
1191		1330
1192	# do it the slow way	1331	# do it the slow way
1193	my $map = try_load_header $path->save_path;	1332	my $map = $path->load_temp;
		1333
		1334	Coro::cede;
1194		1335
1195	if ($map) {	1336	if ($map) {
		1337	$map->last_access ((delete $map->{last_access})
		1338	|| $cf::RUNTIME); #d#
1196	# safety	1339	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME	1340	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;	1341	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {	1342	} else {
1200	if (my $rmp = $path->random_map_params) {	1343	$map = $path->load_orig
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1344	or return;
1207		1345
1208	$map->{load_original} = 1;	1346	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;	1347	$map->{instantiate_time} = $cf::RUNTIME;
		1348	$map->last_access ($cf::RUNTIME);
1210	$map->instantiate;	1349	$map->instantiate;
1211		1350
1212	# per-player maps become, after loading, normal maps	1351	# per-player maps become, after loading, normal maps
1213	$map->per_player (0) if $path->{user_rel};	1352	$map->per_player (0) if $path->{user_rel};
1214	}	1353	}
1215	#Coro::Timer::sleep 1;#d#
1216		1354
1217	$map->path ($key);	1355	$map->path ($key);
1218	$map->{path} = $path;	1356	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1357	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);	1358
		1359	Coro::cede;
1221		1360
1222	if ($map->should_reset) {	1361	if ($map->should_reset) {
1223	$map->reset;	1362	$map->reset;
		1363	undef $guard;
1224	$map = find_map $path;	1364	$map = find $path
		1365	or return;
1225	}	1366	}
1226		1367
1227	$cf::MAP{$key} = $map	1368	$cf::MAP{$key} = $map
1228	}	1369	}
1229	}	1370	}
…		…
1250	if (aio_open $uniq, O_RDONLY, 0) {	1391	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1392	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1393	$self->load_objects ($uniq, 0);
1253	}	1394	}
1254	}	1395	}
		1396
		1397	Coro::cede;
1255		1398
1256	# now do the right thing for maps	1399	# now do the right thing for maps
1257	$self->link_multipart_objects;	1400	$self->link_multipart_objects;
1258		1401
1259	if ($self->{path}->is_style_map) {	1402	if ($self->{path}->is_style_map) {
…		…
1267	$self->difficulty ($self->estimate_difficulty)	1410	$self->difficulty ($self->estimate_difficulty)
1268	unless $self->difficulty;	1411	unless $self->difficulty;
1269	$self->activate;	1412	$self->activate;
1270	}	1413	}
1271		1414
		1415	Coro::cede;
		1416
1272	$self->in_memory (cf::MAP_IN_MEMORY);	1417	$self->in_memory (cf::MAP_IN_MEMORY);
1273	}	1418	}
1274		1419
1275	sub load_map_sync {	1420	# find and load all maps in the 3x3 area around a map
		1421	sub load_diag {
		1422	my ($map) = @_;
		1423
		1424	my @diag; # diagonal neighbours
		1425
		1426	for (0 .. 3) {
		1427	my $neigh = $map->tile_path ($_)
		1428	or next;
		1429	$neigh = find $neigh, $map
		1430	or next;
		1431	$neigh->load;
		1432
		1433	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1434	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1435	}
		1436
		1437	for (@diag) {
		1438	my $neigh = find @$_
		1439	or next;
		1440	$neigh->load;
		1441	}
		1442	}
		1443
		1444	sub find_sync {
1276	my ($path, $origin) = @_;	1445	my ($path, $origin) = @_;
1277		1446
1278	#warn "load_map_sync<$path, $origin>\n";#d#	1447	cf::sync_job { find $path, $origin }
		1448	}
1279		1449
1280	cf::sync_job {	1450	sub do_load_sync {
1281	my $map = cf::map::find_map $path, $origin	1451	my ($map) = @_;
		1452
		1453	cf::sync_job { $map->load };
		1454	}
		1455
		1456	our %MAP_PREFETCH;
		1457	our $MAP_PREFETCHER = Coro::async {
		1458	while () {
		1459	while (%MAP_PREFETCH) {
		1460	my $key = each %MAP_PREFETCH
1282	or return;	1461	or next;
		1462	my $path = delete $MAP_PREFETCH{$key};
		1463
		1464	my $map = find $path
		1465	or next;
1283	$map->load;	1466	$map->load;
1284	$map	1467	}
		1468	Coro::schedule;
1285	}	1469	}
		1470	};
		1471
		1472	sub find_async {
		1473	my ($path, $origin) = @_;
		1474
		1475	$path = new cf::path $path, $origin && $origin->path;
		1476	my $key = $path->as_string;
		1477
		1478	if (my $map = $cf::MAP{$key}) {
		1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1480	}
		1481
		1482	$MAP_PREFETCH{$key} = $path;
		1483	$MAP_PREFETCHER->ready;
		1484
		1485	()
1286	}	1486	}
1287		1487
1288	sub save {	1488	sub save {
1289	my ($self) = @_;	1489	my ($self) = @_;
1290		1490
		1491	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1492
1291	$self->{last_save} = $cf::RUNTIME;	1493	$self->{last_save} = $cf::RUNTIME;
1292		1494
1293	return unless $self->dirty;	1495	return unless $self->dirty;
1294		1496
1295	my $save = $self->{path}->save_path; utf8::encode $save;	1497	my $save = $self->{path}->save_path; utf8::encode $save;
1296	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1297		1499
1298	$self->{load_path} = $save;	1500	$self->{load_path} = $save;
1299		1501
1300	return if $self->{deny_save};	1502	return if $self->{deny_save};
		1503
		1504	local $self->{last_access} = $self->last_access;#d#
		1505
		1506	cf::async {
		1507	$_->contr->save for $self->players;
		1508	};
1301		1509
1302	if ($uniq) {	1510	if ($uniq) {
1303	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1304	$self->save_objects ($uniq, cf::IO_UNIQUES);	1512	$self->save_objects ($uniq, cf::IO_UNIQUES);
1305	} else {	1513	} else {
…		…
1308	}	1516	}
1309		1517
1310	sub swap_out {	1518	sub swap_out {
1311	my ($self) = @_;	1519	my ($self) = @_;
1312		1520
		1521	# save first because save cedes
		1522	$self->save;
		1523
		1524	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1525
1313	return if $self->players;	1526	return if $self->players;
1314	return if $self->in_memory != cf::MAP_IN_MEMORY;	1527	return if $self->in_memory != cf::MAP_IN_MEMORY;
1315	return if $self->{deny_save};	1528	return if $self->{deny_save};
1316		1529
1317	$self->save;
1318	$self->clear;	1530	$self->clear;
1319	$self->in_memory (cf::MAP_SWAPPED);	1531	$self->in_memory (cf::MAP_SWAPPED);
1320	}	1532	}
1321		1533
1322	sub reset_at {	1534	sub reset_at {
…		…
1360	}	1572	}
1361		1573
1362	sub reset {	1574	sub reset {
1363	my ($self) = @_;	1575	my ($self) = @_;
1364		1576
		1577	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1578
1365	return if $self->players;	1579	return if $self->players;
1366	return if $self->{path}{user_rel};#d#	1580	return if $self->{path}{user_rel};#d#
1367		1581
1368	warn "resetting map ", $self->path;#d#	1582	warn "resetting map ", $self->path;#d#
1369		1583
…		…
1388		1602
1389	sub customise_for {	1603	sub customise_for {
1390	my ($map, $ob) = @_;	1604	my ($map, $ob) = @_;
1391		1605
1392	if ($map->per_player) {	1606	if ($map->per_player) {
1393	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1394	}	1608	}
1395		1609
1396	$map	1610	$map
1397	}	1611	}
1398		1612
1399	sub emergency_save {	1613	=item cf::map::unique_maps
1400	local $cf::FREEZE = 1;
1401		1614
1402	warn "enter emergency map save\n";	1615	Returns an arrayref of cf::path's of all shared maps that have
		1616	instantiated unique items. May block.
1403		1617
1404	cf::sync_job {	1618	=cut
1405	warn "begin emergency map save\n";	1619
1406	$_->save for values %cf::MAP;	1620	sub unique_maps() {
		1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1622	or return;
		1623
		1624	my @paths;
		1625
		1626	for (@$files) {
		1627	utf8::decode $_;
		1628	next if /\.pst$/;
		1629	next unless /^$PATH_SEP/o;
		1630
		1631	push @paths, new cf::path $_;
1407	};	1632	}
1408		1633
1409	warn "end emergency map save\n";	1634	\@paths
1410	}	1635	}
1411		1636
1412	package cf;	1637	package cf;
1413		1638
1414	=back	1639	=back
1415		1640
		1641	=head3 cf::object
		1642
		1643	=cut
		1644
		1645	package cf::object;
		1646
		1647	=over 4
		1648
		1649	=item $ob->inv_recursive
		1650
		1651	Returns the inventory of the object _and_ their inventories, recursively.
		1652
		1653	=cut
		1654
		1655	sub inv_recursive_;
		1656	sub inv_recursive_ {
		1657	map { $_, inv_recursive_ $_->inv } @_
		1658	}
		1659
		1660	sub inv_recursive {
		1661	inv_recursive_ inv $_[0]
		1662	}
		1663
		1664	package cf;
		1665
		1666	=back
1416		1667
1417	=head3 cf::object::player	1668	=head3 cf::object::player
1418		1669
1419	=over 4	1670	=over 4
1420		1671
…		…
1495	my $link_pos = delete $self->{_link_pos};	1746	my $link_pos = delete $self->{_link_pos};
1496		1747
1497	unless ($map) {	1748	unless ($map) {
1498	# restore original map position	1749	# restore original map position
1499	($map, $x, $y) = @{ $link_pos || [] };	1750	($map, $x, $y) = @{ $link_pos || [] };
1500	$map = cf::map::find_map $map;	1751	$map = cf::map::find $map;
1501		1752
1502	unless ($map) {	1753	unless ($map) {
1503	($map, $x, $y) = @$EMERGENCY_POSITION;	1754	($map, $x, $y) = @$EMERGENCY_POSITION;
1504	$map = cf::map::find_map $map	1755	$map = cf::map::find $map
1505	or die "FATAL: cannot load emergency map\n";	1756	or die "FATAL: cannot load emergency map\n";
1506	}	1757	}
1507	}	1758	}
1508		1759
1509	($x, $y) = (-1, -1)	1760	($x, $y) = (-1, -1)
…		…
1512	# use -1 or undef as default coordinates, not 0, 0	1763	# use -1 or undef as default coordinates, not 0, 0
1513	($x, $y) = ($map->enter_x, $map->enter_y)	1764	($x, $y) = ($map->enter_x, $map->enter_y)
1514	if $x <=0 && $y <= 0;	1765	if $x <=0 && $y <= 0;
1515		1766
1516	$map->load;	1767	$map->load;
		1768	$map->load_diag;
1517		1769
		1770	return unless $self->contr->active;
1518	$self->activate_recursive;	1771	$self->activate_recursive;
1519	$self->enter_map ($map, $x, $y);	1772	$self->enter_map ($map, $x, $y);
1520	}	1773	}
1521		1774
1522	cf::player->attach (	1775	cf::player->attach (
…		…
1535		1788
1536	# try to abort aborted map switching on player login :)	1789	# try to abort aborted map switching on player login :)
1537	# should happen only on crashes	1790	# should happen only on crashes
1538	if ($pl->ob->{_link_pos}) {	1791	if ($pl->ob->{_link_pos}) {
1539	$pl->ob->enter_link;	1792	$pl->ob->enter_link;
1540	Coro::async {	1793	(async {
1541	# we need this sleep as the login has a concurrent enter_exit running	1794	# we need this sleep as the login has a concurrent enter_exit running
1542	# and this sleep increases chances of the player not ending up in scorn	1795	# and this sleep increases chances of the player not ending up in scorn
		1796	$pl->ob->reply (undef,
		1797	"There was an internal problem at your last logout, "
		1798	. "the server will try to bring you to your intended destination in a second.",
		1799	cf::NDI_RED);
1543	Coro::Timer::sleep 1;	1800	Coro::Timer::sleep 1;
1544	$pl->ob->leave_link;	1801	$pl->ob->leave_link;
1545	};	1802	})->prio (2);
1546	}	1803	}
1547	},	1804	},
1548	);	1805	);
1549		1806
1550	=item $player_object->goto_map ($path, $x, $y)	1807	=item $player_object->goto ($path, $x, $y)
1551		1808
1552	=cut	1809	=cut
1553		1810
1554	sub cf::object::player::goto_map {	1811	sub cf::object::player::goto {
1555	my ($self, $path, $x, $y) = @_;	1812	my ($self, $path, $x, $y) = @_;
1556		1813
		1814	$path = new cf::path $path;
		1815
1557	$self->enter_link;	1816	$self->enter_link;
1558		1817
1559	(Coro::async {	1818	(async {
1560	$path = new cf::path $path;
1561
1562	my $map = cf::map::find_map $path->as_string;	1819	my $map = cf::map::find $path->as_string;
1563	$map = $map->customise_for ($self) if $map;	1820	$map = $map->customise_for ($self) if $map;
1564		1821
1565	# warn "entering ", $map->path, " at ($x, $y)\n"	1822	# warn "entering ", $map->path, " at ($x, $y)\n"
1566	# if $map;	1823	# if $map;
1567		1824
1568	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1569		1826
1570	$self->leave_link ($map, $x, $y);	1827	$self->leave_link ($map, $x, $y);
1571	})->prio (1);	1828	})->prio (1);
1572	}	1829	}
1573		1830
…		…
1626		1883
1627	return unless $self->type == cf::PLAYER;	1884	return unless $self->type == cf::PLAYER;
1628		1885
1629	$self->enter_link;	1886	$self->enter_link;
1630		1887
1631	(Coro::async {	1888	(async {
		1889	$self->deactivate_recursive; # just to be sure
1632	unless (eval {	1890	unless (eval {
1633
1634	prepare_random_map $exit	1891	prepare_random_map $exit
1635	if $exit->slaying eq "/!";	1892	if $exit->slaying eq "/!";
1636		1893
1637	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1638	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1639		1896
1640	1;	1897	1;
1641	}) {	1898	}) {
1642	$self->message ("Something went wrong deep within the crossfire server. "	1899	$self->message ("Something went wrong deep within the crossfire server. "
1643	. "I'll try to bring you back to the map you were before. "	1900	. "I'll try to bring you back to the map you were before. "
1644	. "Please report this to the dungeon master",	1901	. "Please report this to the dungeon master!",
1645	cf::NDI_UNIQUE | cf::NDI_RED);	1902	cf::NDI_UNIQUE | cf::NDI_RED);
1646		1903
1647	warn "ERROR in enter_exit: $@";	1904	warn "ERROR in enter_exit: $@";
1648	$self->leave_link;	1905	$self->leave_link;
1649	}	1906	}
…		…
1700	on_reply => sub {	1957	on_reply => sub {
1701	my ($ns, $msg) = @_;	1958	my ($ns, $msg) = @_;
1702		1959
1703	# this weird shuffling is so that direct followup queries	1960	# this weird shuffling is so that direct followup queries
1704	# get handled first	1961	# get handled first
1705	my $queue = delete $ns->{query_queue};	1962	my $queue = delete $ns->{query_queue}
		1963	or return; # be conservative, not sure how that can happen, but we saw a crash here
1706		1964
1707	(shift @$queue)->[1]->($msg);	1965	(shift @$queue)->[1]->($msg);
1708		1966
1709	push @{ $ns->{query_queue} }, @$queue;	1967	push @{ $ns->{query_queue} }, @$queue;
1710		1968
…		…
1716	}	1974	}
1717	}	1975	}
1718	},	1976	},
1719	);	1977	);
1720		1978
1721	=item $client->coro (\&cb)	1979	=item $client->async (\&cb)
1722		1980
1723	Create a new coroutine, running the specified callback. The coroutine will	1981	Create a new coroutine, running the specified callback. The coroutine will
1724	be automatically cancelled when the client gets destroyed (e.g. on logout,	1982	be automatically cancelled when the client gets destroyed (e.g. on logout,
1725	or loss of connection).	1983	or loss of connection).
1726		1984
1727	=cut	1985	=cut
1728		1986
1729	sub cf::client::coro {	1987	sub cf::client::async {
1730	my ($self, $cb) = @_;	1988	my ($self, $cb) = @_;
1731		1989
1732	my $coro; $coro = async {	1990	my $coro = &Coro::async ($cb);
1733	eval {
1734	$cb->();
1735	};
1736	warn $@ if $@;
1737	};
1738		1991
1739	$coro->on_destroy (sub {	1992	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	1993	delete $self->{_coro}{$coro+0};
1741	});	1994	});
1742		1995
…		…
1914		2167
1915	{	2168	{
1916	my $path = cf::localdir . "/database.pst";	2169	my $path = cf::localdir . "/database.pst";
1917		2170
1918	sub db_load() {	2171	sub db_load() {
1919	warn "loading database $path\n";#d# remove later
1920	$DB = stat $path ? Storable::retrieve $path : { };	2172	$DB = stat $path ? Storable::retrieve $path : { };
1921	}	2173	}
1922		2174
1923	my $pid;	2175	my $pid;
1924		2176
1925	sub db_save() {	2177	sub db_save() {
1926	warn "saving database $path\n";#d# remove later
1927	waitpid $pid, 0 if $pid;	2178	waitpid $pid, 0 if $pid;
1928	if (0 == ($pid = fork)) {	2179	if (0 == ($pid = fork)) {
1929	$DB->{_meta}{version} = 1;	2180	$DB->{_meta}{version} = 1;
1930	Storable::nstore $DB, "$path~";	2181	Storable::nstore $DB, "$path~";
1931	rename "$path~", $path;	2182	rename "$path~", $path;
…		…
1979	open my $fh, "<:utf8", cf::confdir . "/config"	2230	open my $fh, "<:utf8", cf::confdir . "/config"
1980	or return;	2231	or return;
1981		2232
1982	local $/;	2233	local $/;
1983	*CFG = YAML::Syck::Load <$fh>;	2234	*CFG = YAML::Syck::Load <$fh>;
		2235
		2236	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2237
		2238	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2239	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2240
		2241	if (exists $CFG{mlockall}) {
		2242	eval {
		2243	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2244	and die "WARNING: m(un)lockall failed: $!\n";
		2245	};
		2246	warn $@ if $@;
		2247	}
1984	}	2248	}
1985		2249
1986	sub main {	2250	sub main {
1987	# we must not ever block the main coroutine	2251	# we must not ever block the main coroutine
1988	local $Coro::idle = sub {	2252	local $Coro::idle = sub {
1989	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1990	(Coro::unblock_sub {
1991	Event::one_event;	2254	async { Event::one_event };
1992	})->();
1993	};	2255	};
1994		2256
1995	cfg_load;	2257	cfg_load;
1996	db_load;	2258	db_load;
1997	load_extensions;	2259	load_extensions;
1998	Event::loop;	2260	Event::loop;
1999	}	2261	}
2000		2262
2001	#############################################################################	2263	#############################################################################
2002	# initialisation	2264	# initialisation and cleanup
		2265
		2266	# install some emergency cleanup handlers
		2267	BEGIN {
		2268	for my $signal (qw(INT HUP TERM)) {
		2269	Event->signal (
		2270	data => WF_AUTOCANCEL,
		2271	signal => $signal,
		2272	cb => sub {
		2273	cf::cleanup "SIG$signal";
		2274	},
		2275	);
		2276	}
		2277	}
		2278
		2279	sub emergency_save() {
		2280	my $freeze_guard = cf::freeze_mainloop;
		2281
		2282	warn "enter emergency perl save\n";
		2283
		2284	cf::sync_job {
		2285	# use a peculiar iteration method to avoid tripping on perl
		2286	# refcount bugs in for. also avoids problems with players
		2287	# and maps saved/Destroyed asynchronously.
		2288	warn "begin emergency player save\n";
		2289	for my $login (keys %cf::PLAYER) {
		2290	my $pl = $cf::PLAYER{$login} or next;
		2291	$pl->valid or next;
		2292	$pl->save;
		2293	}
		2294	warn "end emergency player save\n";
		2295
		2296	warn "begin emergency map save\n";
		2297	for my $path (keys %cf::MAP) {
		2298	my $map = $cf::MAP{$path} or next;
		2299	$map->valid or next;
		2300	$map->save;
		2301	}
		2302	warn "end emergency map save\n";
		2303	};
		2304
		2305	warn "leave emergency perl save\n";
		2306	}
2003		2307
2004	sub reload() {	2308	sub reload() {
2005	# can/must only be called in main	2309	# can/must only be called in main
2006	if ($Coro::current != $Coro::main) {	2310	if ($Coro::current != $Coro::main) {
2007	warn "can only reload from main coroutine\n";	2311	warn "can only reload from main coroutine\n";
2008	return;	2312	return;
2009	}	2313	}
2010		2314
2011	warn "reloading...";	2315	warn "reloading...";
2012		2316
2013	local $FREEZE = 1;	2317	warn "freezing server";
		2318	my $guard = freeze_mainloop;
2014	cf::emergency_save;	2319	cf::emergency_save;
		2320
		2321	warn "sync database to disk";
		2322	cf::db_sync;
		2323	IO::AIO::flush;
2015		2324
2016	eval {	2325	eval {
2017	# if anything goes wrong in here, we should simply crash as we already saved	2326	# if anything goes wrong in here, we should simply crash as we already saved
2018		2327
2019	# cancel all watchers	2328	warn "cancel all watchers";
2020	for (Event::all_watchers) {	2329	for (Event::all_watchers) {
2021	$_->cancel if $_->data & WF_AUTOCANCEL;	2330	$_->cancel if $_->data & WF_AUTOCANCEL;
2022	}	2331	}
2023		2332
2024	# cancel all extension coros	2333	warn "cancel all extension coros";
2025	$_->cancel for values %EXT_CORO;	2334	$_->cancel for values %EXT_CORO;
2026	%EXT_CORO = ();	2335	%EXT_CORO = ();
2027		2336
		2337	warn "remove commands";
		2338	%COMMAND = ();
		2339
		2340	warn "remove ext commands";
		2341	%EXTCMD = ();
		2342
2028	# unload all extensions	2343	warn "unload/nuke all extensions";
2029	for (@exts) {	2344	for my $pkg (@EXTS) {
2030	warn "unloading <$_>";	2345	warn "... unloading $pkg";
2031	unload_extension $_;	2346
		2347	if (my $cb = $pkg->can ("unload")) {
		2348	eval {
		2349	$cb->($pkg);
		2350	1
		2351	} or warn "$pkg unloaded, but with errors: $@";
2032	}	2352	}
2033		2353
		2354	warn "... nuking $pkg";
		2355	Symbol::delete_package $pkg;
		2356	}
		2357
2034	# unload all modules loaded from $LIBDIR	2358	warn "unload all perl modules loaded from $LIBDIR";
2035	while (my ($k, $v) = each %INC) {	2359	while (my ($k, $v) = each %INC) {
2036	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2037		2361
2038	warn "removing <$k>";	2362	warn "removing <$k>";
2039	delete $INC{$k};	2363	delete $INC{$k};
…		…
2046	}	2370	}
2047		2371
2048	Symbol::delete_package $k;	2372	Symbol::delete_package $k;
2049	}	2373	}
2050		2374
2051	# sync database to disk
2052	cf::db_sync;
2053	IO::AIO::flush;
2054
2055	# get rid of safe::, as good as possible	2375	warn "get rid of safe::, as good as possible";
2056	Symbol::delete_package "safe::$_"	2376	Symbol::delete_package "safe::$_"
2057	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2058		2378
2059	# remove register_script_function callbacks
2060	# TODO
2061
2062	# unload cf.pm "a bit"	2379	warn "unload cf.pm \"a bit\"";
2063	delete $INC{"cf.pm"};	2380	delete $INC{"cf.pm"};
2064		2381
2065	# don't, removes xs symbols, too,	2382	# don't, removes xs symbols, too,
2066	# and global variables created in xs	2383	# and global variables created in xs
2067	#Symbol::delete_package __PACKAGE__;	2384	#Symbol::delete_package __PACKAGE__;
2068		2385
2069	# reload cf.pm
2070	warn "reloading cf.pm";	2386	warn "reloading cf.pm";
2071	require cf;	2387	require cf;
2072	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2073		2389
2074	# load config and database again	2390	warn "load config and database again";
2075	cf::cfg_load;	2391	cf::cfg_load;
2076	cf::db_load;	2392	cf::db_load;
2077		2393
2078	# load extensions
2079	warn "load extensions";	2394	warn "load extensions";
2080	cf::load_extensions;	2395	cf::load_extensions;
2081		2396
2082	# reattach attachments to objects	2397	warn "reattach attachments to objects/players";
2083	warn "reattach";
2084	_global_reattach;	2398	_global_reattach;
		2399	warn "reattach attachments to maps";
		2400	reattach $_ for values %MAP;
2085	};	2401	};
2086		2402
2087	if ($@) {	2403	if ($@) {
2088	warn $@;	2404	warn $@;
2089	warn "error while reloading, exiting.";	2405	warn "error while reloading, exiting.";
2090	exit 1;	2406	exit 1;
2091	}	2407	}
2092		2408
2093	warn "reloaded successfully";	2409	warn "reloaded";
2094	};	2410	};
2095		2411
2096	#############################################################################	2412	#############################################################################
2097		2413
2098	unless ($LINK_MAP) {	2414	unless ($LINK_MAP) {
…		…
2105	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2106	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2107		2423
2108	# dirty hack because... archetypes are not yet loaded	2424	# dirty hack because... archetypes are not yet loaded
2109	Event->timer (	2425	Event->timer (
2110	after => 2,	2426	after => 10,
2111	cb => sub {	2427	cb => sub {
2112	$_[0]->w->cancel;	2428	$_[0]->w->cancel;
2113		2429
2114	# provide some exits "home"	2430	# provide some exits "home"
2115	my $exit = cf::object::new "exit";	2431	my $exit = cf::object::new "exit";
…		…
2134	$LINK_MAP->{deny_reset} = 1;	2450	$LINK_MAP->{deny_reset} = 1;
2135		2451
2136	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;	2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2137	}	2453	}
2138		2454
2139	register "<global>", __PACKAGE__;
2140
2141	register_command "reload" => sub {	2455	register_command "reload" => sub {
2142	my ($who, $arg) = @_;	2456	my ($who, $arg) = @_;
2143		2457
2144	if ($who->flag (FLAG_WIZ)) {	2458	if ($who->flag (FLAG_WIZ)) {
2145	$who->message ("start of reload.");	2459	$who->message ("start of reload.");
…		…
2154	reentrant => 0,	2468	reentrant => 0,
2155	prio => 0,	2469	prio => 0,
2156	at => $NEXT_TICK || $TICK,	2470	at => $NEXT_TICK || $TICK,
2157	data => WF_AUTOCANCEL,	2471	data => WF_AUTOCANCEL,
2158	cb => sub {	2472	cb => sub {
2159	unless ($FREEZE) {
2160	cf::server_tick; # one server iteration	2473	cf::server_tick; # one server iteration
2161	$RUNTIME += $TICK;	2474	$RUNTIME += $TICK;
2162	}
2163
2164	$NEXT_TICK += $TICK;	2475	$NEXT_TICK += $TICK;
		2476
		2477	$WAIT_FOR_TICK->broadcast;
		2478	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2165		2479
2166	# if we are delayed by four ticks or more, skip them all	2480	# if we are delayed by four ticks or more, skip them all
2167	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2481	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2168		2482
2169	$TICK_WATCHER->at ($NEXT_TICK);	2483	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2191	or warn "ERROR: unable to write runtime file: $!";	2505	or warn "ERROR: unable to write runtime file: $!";
2192	})->();	2506	})->();
2193	},	2507	},
2194	);	2508	);
2195		2509
		2510	END { cf::emergency_save }
		2511
2196	1	2512	1
2197		2513

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