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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 1.203 by root, Thu Feb 1 19:40:42 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		69
58	binmode STDOUT;	70	binmode STDOUT;
59	binmode STDERR;	71	binmode STDERR;
60		72
61	# read virtual server time, if available	73	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
73		85
74	# a special map that is always available	86	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		87
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	88	sub cf::map::normalise;
78		89
79	#############################################################################	90	#############################################################################
80		91
81	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
82		93
…		…
106		117
107	=item %cf::CFG	118	=item %cf::CFG
108		119
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	121	from wherever your confdir points to.
		122
		123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		124
		125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		127	processing has been done. Call C<< ->wait >> on them to maximise the
		128	window of cpu time available, or simply to synchronise to the server tick.
111		129
112	=back	130	=back
113		131
114	=cut	132	=cut
115		133
…		…
119	utf8::encode $msg;	137	utf8::encode $msg;
120		138
121	$msg .= "\n"	139	$msg .= "\n"
122	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
123		141
124	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
125	};	143	};
126	}	144	}
127		145
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		165
148	$Event::DIED = sub {	166	$Event::DIED = sub {
149	warn "error in event callback: @_";	167	warn "error in event callback: @_";
150	};	168	};
151		169
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
157		171
158	=over 4	172	=over 4
159		173
		174	=item dumpval $ref
		175
160	=cut	176	=cut
		177
		178	sub dumpval {
		179	eval {
		180	local $SIG{__DIE__};
		181	my $d;
		182	if (1) {
		183	$d = new Data::Dumper([$_[0]], ["*var"]);
		184	$d->Terse(1);
		185	$d->Indent(2);
		186	$d->Quotekeys(0);
		187	$d->Useqq(1);
		188	#$d->Bless(...);
		189	$d->Seen($_[1]) if @_ > 1;
		190	$d = $d->Dump();
		191	}
		192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		193	$d
		194	} || "[unable to dump $_[0]: '$@']";
		195	}
161		196
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		198
164	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
165		200
…		…
181	sub to_json($) {	216	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	218	JSON::Syck::Dump $_[0]
184	}	219	}
185		220
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	221	=item cf::lock_wait $string
209		222
210	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
211		224
212	=item my $lock = cf::lock_acquire $string	225	=item my $lock = cf::lock_acquire $string
213		226
214	Wait until the given lock is available and then acquires it and returns	227	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,	228	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	229	for example when the coroutine gets canceled), the lock is automatically
217	returned.	230	returned.
218		231
219	Lock names should begin with a unique identifier (for example, find_map	232	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	233	uses map_find and cf::map::load uses map_load).
221		234
222	=cut	235	=cut
223		236
224	our %LOCK;	237	our %LOCK;
225		238
…		…
239	# wait, to be sure we are not locked	252	# wait, to be sure we are not locked
240	lock_wait $key;	253	lock_wait $key;
241		254
242	$LOCK{$key} = [];	255	$LOCK{$key} = [];
243		256
244	cf::guard {	257	Coro::guard {
245	# wake up all waiters, to be on the safe side	258	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	259	$_->ready for @{ delete $LOCK{$key} };
247	}	260	}
248	}	261	}
		262
		263	sub freeze_mainloop {
		264	return unless $TICK_WATCHER->is_active;
		265
		266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	$WRITE_RUNTIME_WATCHER->start;
		269	};
		270	$WRITE_RUNTIME_WATCHER->stop;
		271	$TICK_WATCHER->stop;
		272	$guard
		273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
249		284
250	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
251		286
252	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
253	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
267	# this is the main coro, too bad, we have to block	302	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	303	# till the operation succeeds, freezing the server :/
269		304
270	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	306	# (but this is cancel-safe)
272	local $FREEZE = 1;	307	my $freeze_guard = freeze_mainloop;
273		308
274	my $busy = 1;	309	my $busy = 1;
275	my @res;	310	my @res;
276		311
277	(Coro::async {	312	(async {
278	@res = eval { $job->() };	313	@res = eval { $job->() };
279	warn $@ if $@;	314	warn $@ if $@;
280	undef $busy;	315	undef $busy;
281	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
282		317
283	while ($busy) {	318	while ($busy) {
284	Coro::cede_notself;	319	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	320	}
287		321
288	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
289	} else {	323	} else {
290	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
291		325
292	$job->()	326	$job->()
293	}	327	}
294	}	328	}
295		329
296	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
297		331
298	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
300		334
301	=cut	335	=cut
302		336
303	sub coro(&) {	337	sub async_ext(&) {
304	my $cb = shift;	338	my $cb = shift;
305		339
306	my $coro; $coro = async {	340	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		341
313	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
315	});	344	});
316	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
…		…
322	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
323		352
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	354	or return;
326		355
		356	my $value = $cf::RUNTIME + 90 + 10;
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	361	and return;
330		362
331	aio_fsync $fh	363	aio_fsync $fh
332	and return;	364	and return;
…		…
341	}	373	}
342		374
343	=back	375	=back
344		376
345	=cut	377	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# 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 $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
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	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$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}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: 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	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		378
467	#############################################################################	379	#############################################################################
468		380
469	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
470		382
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	509	our @CB_MAP = ();
598		510
599	my %attachment;	511	my %attachment;
600		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
601	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
603		521
604	use sort 'stable';	522	use sort 'stable';
605		523
…		…
776	# object support	694	# object support
777		695
778	sub reattach {	696	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		701
782	my $registry = $obj->registry;	702	my $registry = $obj->registry;
783		703
784	@$registry = ();	704	@$registry = ();
785		705
…		…
856	}	776	}
857	} else {	777	} else {
858	aio_unlink $filename;	778	aio_unlink $filename;
859	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
860	}	780	}
		781
		782	#d##TODO# nuke non .map-files if exist
		783	if ($filename =~ s/\.map$//) {
		784	aio_unlink $filename;
		785	aio_unlink "$filename.pst";
		786	}
861	}	787	}
862	}	788	}
863		789
864	sub object_freezer_as_string {	790	sub object_freezer_as_string {
865	my ($rdata, $objs) = @_;	791	my ($rdata, $objs) = @_;
…		…
871		797
872	sub object_thawer_load {	798	sub object_thawer_load {
873	my ($filename) = @_;	799	my ($filename) = @_;
874		800
875	my ($data, $av);	801	my ($data, $av);
		802
		803	#d#TODO remove .map if file does not exist
		804	aio_stat $filename and $filename =~ s/\.map$//;
876		805
877	(aio_load $filename, $data) >= 0	806	(aio_load $filename, $data) >= 0
878	or return;	807	or return;
879		808
880	unless (aio_stat "$filename.pst") {	809	unless (aio_stat "$filename.pst") {
…		…
917	=cut	846	=cut
918		847
919	sub register_extcmd {	848	sub register_extcmd {
920	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
921		850
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
926	}	852	}
927		853
928	cf::player->attach (	854	cf::player->attach (
929	on_command => sub {	855	on_command => sub {
930	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
943		869
944	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
945		871
946	if (ref $msg) {	872	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	876	}
951	}	877	}
952	} else {	878	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		881
956	cf::override;	882	cf::override;
957	},	883	},
958	);	884	);
959		885
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	886	sub load_extension {
967	my ($path) = @_;	887	my ($path) = @_;
968		888
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	890	my $base = $1;
971	my $pkg = $1;	891	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
974		894
975	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
976		896
977	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
978	or die "$path: $!";	898	or die "$path: $!";
979		899
980	my $source =	900	my $source =
981	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
984	. "\n};\n1";	904	. "\n};\n1";
985		905
986	eval $source	906	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	908	: "extension disabled.\n";
989		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	910	warn $@;
991	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
992		912	exit 1;
993	# no strict 'refs';	913	}
994	# @{"$pkg\::ISA"} = ext::;	914	die $@;
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	# }	915	}
1009		916
1010	# remove commands	917	push @EXTS, $pkg;
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	}	918	}
1035		919
1036	sub load_extensions {	920	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	922	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1043	}	927	}
1044	}	928	}
1045		929
1046	#############################################################################	930	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
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		931
1084	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1085		933
1086	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1087		935
		936	=cut
		937
		938	package cf::player;
		939
		940	use Coro::AIO;
		941
1088	=head3 cf::player	942	=head3 cf::player
1089		943
1090	=over 4	944	=over 4
1091		945
1092	=item cf::player::exists $login	946	=item cf::player::find $login
1093		947
1094	Returns true when the given account exists.	948	Returns the given player object, loading it if necessary (might block).
1095		949
1096	=cut	950	=cut
1097		951
1098	sub cf::player::exists($) {	952	sub playerdir($) {
1099	cf::player::find $_[0]	953	cf::localdir
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	954	. "/"
		955	. cf::playerdir
		956	. "/"
		957	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		958	}
		959
		960	sub path($) {
		961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		962
		963	(playerdir $login) . "/$login.pl"
		964	}
		965
		966	sub find_active($) {
		967	$cf::PLAYER{$_[0]}
		968	and $cf::PLAYER{$_[0]}->active
		969	and $cf::PLAYER{$_[0]}
		970	}
		971
		972	sub exists($) {
		973	my ($login) = @_;
		974
		975	$cf::PLAYER{$login}
		976	or cf::sync_job { !aio_stat path $login }
		977	}
		978
		979	sub find($) {
		980	return $cf::PLAYER{$_[0]} || do {
		981	my $login = $_[0];
		982
		983	my $guard = cf::lock_acquire "user_find:$login";
		984
		985	$cf::PLAYER{$_[0]} || do {
		986	my $pl = load_pl path $login
		987	or return;
		988	$cf::PLAYER{$login} = $pl
		989	}
		990	}
		991	}
		992
		993	sub save($) {
		994	my ($pl) = @_;
		995
		996	return if $pl->{deny_save};
		997
		998	my $path = path $pl;
		999	my $guard = cf::lock_acquire "user_save:$path";
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	aio_mkdir playerdir $pl, 0770;
		1004	$pl->{last_save} = $cf::RUNTIME;
		1005
		1006	$pl->save_pl ($path);
		1007	Coro::cede;
		1008	}
		1009
		1010	sub new($) {
		1011	my ($login) = @_;
		1012
		1013	my $self = create;
		1014
		1015	$self->ob->name ($login);
		1016	$self->{deny_save} = 1;
		1017
		1018	$cf::PLAYER{$login} = $self;
		1019
		1020	$self
		1021	}
		1022
		1023	=item $pl->quit_character
		1024
		1025	Nukes the player without looking back. If logged in, the connection will
		1026	be destroyed. May block for a long time.
		1027
		1028	=cut
		1029
		1030	sub quit_character {
		1031	my ($pl) = @_;
		1032
		1033	$pl->{deny_save} = 1;
		1034	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1035
		1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1037	$pl->deactivate;
		1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1039	$pl->ns->destroy if $pl->ns;
		1040
		1041	my $path = playerdir $pl;
		1042	my $temp = "$path~$cf::RUNTIME~deleting~";
		1043	aio_rename $path, $temp;
		1044	delete $cf::PLAYER{$pl->ob->name};
		1045	$pl->destroy;
		1046	IO::AIO::aio_rmtree $temp;
		1047	}
		1048
		1049	=item cf::player::list_logins
		1050
		1051	Returns am arrayref of all valid playernames in the system, can take a
		1052	while and may block, so not sync_job-capable, ever.
		1053
		1054	=cut
		1055
		1056	sub list_logins {
		1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1058	or return [];
		1059
		1060	my @logins;
		1061
		1062	for my $login (@$dirs) {
		1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1064	aio_read $fh, 0, 512, my $buf, 0 or next;
		1065	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1066
		1067	utf8::decode $login;
		1068	push @logins, $login;
		1069	}
		1070
		1071	\@logins
		1072	}
		1073
		1074	=item $player->maps
		1075
		1076	Returns an arrayref of map paths that are private for this
		1077	player. May block.
		1078
		1079	=cut
		1080
		1081	sub maps($) {
		1082	my ($pl) = @_;
		1083
		1084	$pl = ref $pl ? $pl->ob->name : $pl;
		1085
		1086	my $files = aio_readdir playerdir $pl
		1087	or return;
		1088
		1089	my @paths;
		1090
		1091	for (@$files) {
		1092	utf8::decode $_;
		1093	next if /\.(?:pl|pst)$/;
		1094	next unless /^$PATH_SEP/o;
		1095
		1096	push @paths, cf::map::normalise "~$pl/$_";
		1097	}
		1098
		1099	\@paths
1101	}	1100	}
1102		1101
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1102	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1103
1105	Sends an ext reply to the player.	1104	Sends an ext reply to the player.
1106		1105
1107	=cut	1106	=cut
1108		1107
1109	sub cf::player::ext_reply($$$%) {	1108	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1109	my ($self, $id, %msg) = @_;
1111		1110
1112	$msg{msgid} = $id;	1111	$msg{msgid} = $id;
1113		1112
1114	$self->send ("ext " . to_json \%msg);	1113	$self->send ("ext " . cf::to_json \%msg);
1115	}	1114	}
		1115
		1116	package cf;
1116		1117
1117	=back	1118	=back
1118		1119
1119		1120
1120	=head3 cf::map	1121	=head3 cf::map
…		…
1126	package cf::map;	1127	package cf::map;
1127		1128
1128	use Fcntl;	1129	use Fcntl;
1129	use Coro::AIO;	1130	use Coro::AIO;
1130		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1131	our $MAX_RESET = 7200;	1136	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1137	our $DEFAULT_RESET = 3000;
1133		1138
1134	sub generate_random_map {	1139	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1142	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1153	(cf::region::find $rmp->{region}), $rmp->{custom}
		1154	)
		1155	}
		1156
		1157	=item cf::map->register ($regex, $prio)
		1158
		1159	Register a handler for the map path matching the given regex at the
		1160	givne priority (higher is better, built-in handlers have priority 0, the
		1161	default).
		1162
		1163	=cut
		1164
		1165	sub register {
		1166	my (undef, $regex, $prio) = @_;
		1167	my $pkg = caller;
		1168
		1169	no strict;
		1170	push @{"$pkg\::ISA"}, __PACKAGE__;
		1171
		1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1173	}
		1174
		1175	# also paths starting with '/'
		1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1177
		1178	sub thawer_merge {
		1179	my ($self, $merge) = @_;
		1180
		1181	# we have to keep some variables in memory intact
		1182	local $self->{path};
		1183	local $self->{load_path};
		1184	local $self->{deny_save};
		1185	local $self->{deny_reset};
		1186
		1187	$self->SUPER::thawer_merge ($merge);
		1188	}
		1189
		1190	sub normalise {
		1191	my ($path, $base) = @_;
		1192
		1193	$path = "$path"; # make sure its a string
		1194
		1195	$path =~ s/\.map$//;
		1196
		1197	# map plan:
		1198	#
		1199	# /! non-realised random map exit (special hack!)
		1200	# {... are special paths that are not being touched
		1201	# ?xxx/... are special absolute paths
		1202	# ?random/... random maps
		1203	# /... normal maps
		1204	# ~user/... per-player map of a specific user
		1205
		1206	$path =~ s/$PATH_SEP/\//go;
		1207
		1208	# treat it as relative path if it starts with
		1209	# something that looks reasonable
		1210	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1211	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1212
		1213	$base =~ s{[^/]+/?$}{};
		1214	$path = "$base/$path";
		1215	}
		1216
		1217	for ($path) {
		1218	redo if s{//}{/};
		1219	redo if s{/\.?/}{/};
		1220	redo if s{/[^/]+/\.\./}{/};
		1221	}
		1222
		1223	$path
		1224	}
		1225
		1226	sub new_from_path {
		1227	my (undef, $path, $base) = @_;
		1228
		1229	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1230
		1231	$path = normalise $path, $base;
		1232
		1233	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1234	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1235	my $self = bless cf::map::new, $pkg;
		1236	$self->{path} = $path; $self->path ($path);
		1237	$self->init; # pass $1 etc.
		1238	return $self;
		1239	}
		1240	}
		1241
		1242	Carp::carp "unable to resolve path '$path' (base '$base').";
		1243	()
		1244	}
		1245
		1246	sub init {
		1247	my ($self) = @_;
		1248
		1249	$self
		1250	}
		1251
		1252	sub as_string {
		1253	my ($self) = @_;
		1254
		1255	"$self->{path}"
		1256	}
		1257
		1258	# the displayed name, this is a one way mapping
		1259	sub visible_name {
		1260	&as_string
		1261	}
		1262
		1263	# the original (read-only) location
		1264	sub load_path {
		1265	my ($self) = @_;
		1266
		1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1268	}
		1269
		1270	# the temporary/swap location
		1271	sub save_path {
		1272	my ($self) = @_;
		1273
		1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1276	}
		1277
		1278	# the unique path, undef == no special unique path
		1279	sub uniq_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1151	}	1284	}
1152		1285
1153	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1154	# all maps in C++...	1287	# all maps in C++...
1155	sub change_all_map_light {	1288	sub change_all_map_light {
1156	my ($change) = @_;	1289	my ($change) = @_;
1157		1290
1158	$_->change_map_light ($change) for values %cf::MAP;	1291	$_->change_map_light ($change)
		1292	for grep $_->outdoor, values %cf::MAP;
1159	}	1293	}
1160		1294
		1295	sub unlink_save {
		1296	my ($self) = @_;
		1297
		1298	utf8::encode (my $save = $self->save_path);
		1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1301
		1302	#d#TODO remove .map and also nuke
		1303	$save =~ s/\.map// or return;#d#
		1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1306	}
		1307
1161	sub try_load_header($) {	1308	sub load_header_from($) {
1162	my ($path) = @_;	1309	my ($self, $path) = @_;
1163		1310
1164	utf8::encode $path;	1311	utf8::encode $path;
1165	aio_open $path, O_RDONLY, 0	1312	#aio_open $path, O_RDONLY, 0
		1313	# or return;
		1314
		1315	$self->_load_header ($path)
1166	or return;	1316	or return;
1167		1317
1168	my $map = cf::map::new	1318	$self->{load_path} = $path;
		1319
		1320	1
		1321	}
		1322
		1323	sub load_header_orig {
		1324	my ($self) = @_;
		1325
		1326	$self->load_header_from ($self->load_path)
		1327	}
		1328
		1329	sub load_header_temp {
		1330	my ($self) = @_;
		1331
		1332	$self->load_header_from ($self->save_path)
		1333	}
		1334
		1335	sub prepare_temp {
		1336	my ($self) = @_;
		1337
		1338	$self->last_access ((delete $self->{last_access})
		1339	|| $cf::RUNTIME); #d#
		1340	# safety
		1341	$self->{instantiate_time} = $cf::RUNTIME
		1342	if $self->{instantiate_time} > $cf::RUNTIME;
		1343	}
		1344
		1345	sub prepare_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->{load_original} = 1;
		1349	$self->{instantiate_time} = $cf::RUNTIME;
		1350	$self->last_access ($cf::RUNTIME);
		1351	$self->instantiate;
		1352	}
		1353
		1354	sub load_header {
		1355	my ($self) = @_;
		1356
		1357	if ($self->load_header_temp) {
		1358	$self->prepare_temp;
		1359	} else {
		1360	$self->load_header_orig
1169	or return;	1361	or return;
		1362	$self->prepare_orig;
		1363	}
1170		1364
1171	$map->load_header ($path)	1365	1
1172	or return;
1173
1174	$map->{load_path} = $path;
1175
1176	$map
1177	}	1366	}
1178		1367
		1368	sub find;
1179	sub find_map {	1369	sub find {
1180	my ($path, $origin) = @_;	1370	my ($path, $origin) = @_;
1181		1371
1182	#warn "find_map<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1372	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1373
1187	cf::lock_wait "map_find:$key";	1374	cf::lock_wait "map_find:$path";
1188		1375
1189	$cf::MAP{$key} || do {	1376	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1377	my $guard = cf::lock_acquire "map_find:$path";
1191		1378	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	if ($map) {
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1379	or return;
1207		1380
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->instantiate;
1211
1212	# per-player maps become, after loading, normal maps
1213	$map->per_player (0) if $path->{user_rel};
1214	}
1215	#Coro::Timer::sleep 1;#d#
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1381	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);
1221		1382
1222	if ($map->should_reset) {	1383	$map->load_header
		1384	or return;
		1385
		1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1387	# doing this can freeze the server in a sync job, obviously
		1388	#$cf::WAIT_FOR_TICK->wait;
1223	$map->reset;	1389	$map->reset;
1224	$map = find_map $path;	1390	undef $guard;
		1391	return find $path;
1225	}	1392	}
1226		1393
1227	$cf::MAP{$key} = $map	1394	$cf::MAP{$path} = $map
1228	}	1395	}
1229	}	1396	}
		1397
		1398	sub pre_load { }
		1399	sub post_load { }
1230		1400
1231	sub load {	1401	sub load {
1232	my ($self) = @_;	1402	my ($self) = @_;
1233		1403
		1404	local $self->{deny_reset} = 1; # loading can take a long time
		1405
1234	my $path = $self->{path};	1406	my $path = $self->{path};
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1407	my $guard = cf::lock_acquire "map_load:$path";
1236		1408
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1409	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1410
1239	$self->in_memory (cf::MAP_LOADING);	1411	$self->in_memory (cf::MAP_LOADING);
1240		1412
1241	$self->alloc;	1413	$self->alloc;
		1414
		1415	$self->pre_load;
		1416
1242	$self->load_objects ($self->{load_path}, 1)	1417	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1418	or return;
1244		1419
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1421	if delete $self->{load_original};
1247		1422
1248	if (my $uniq = $path->uniq_path) {	1423	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1424	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1425	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1426	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1427	$self->_load_objects ($uniq, 0);
1253	}	1428	}
1254	}	1429	}
		1430
		1431	Coro::cede;
1255		1432
1256	# now do the right thing for maps	1433	# now do the right thing for maps
1257	$self->link_multipart_objects;	1434	$self->link_multipart_objects;
1258		1435
1259	if ($self->{path}->is_style_map) {	1436	unless ($self->{deny_activate}) {
1260	$self->{deny_save} = 1;	1437	$self->decay_objects;
1261	$self->{deny_reset} = 1;
1262	} else {
1263	$self->fix_auto_apply;	1438	$self->fix_auto_apply;
1264	$self->decay_objects;
1265	$self->update_buttons;	1439	$self->update_buttons;
		1440	Coro::cede;
1266	$self->set_darkness_map;	1441	$self->set_darkness_map;
1267	$self->difficulty ($self->estimate_difficulty)	1442	$self->difficulty ($self->estimate_difficulty)
1268	unless $self->difficulty;	1443	unless $self->difficulty;
		1444	Coro::cede;
1269	$self->activate;	1445	$self->activate;
1270	}	1446	}
1271		1447
		1448	$self->post_load;
		1449
1272	$self->in_memory (cf::MAP_IN_MEMORY);	1450	$self->in_memory (cf::MAP_IN_MEMORY);
1273	}	1451	}
1274		1452
1275	sub load_map_sync {	1453	sub customise_for {
		1454	my ($self, $ob) = @_;
		1455
		1456	return find "~" . $ob->name . "/" . $self->{path}
		1457	if $self->per_player;
		1458
		1459	$self
		1460	}
		1461
		1462	# find and load all maps in the 3x3 area around a map
		1463	sub load_diag {
		1464	my ($map) = @_;
		1465
		1466	my @diag; # diagonal neighbours
		1467
		1468	for (0 .. 3) {
		1469	my $neigh = $map->tile_path ($_)
		1470	or next;
		1471	$neigh = find $neigh, $map
		1472	or next;
		1473	$neigh->load;
		1474
		1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1477	}
		1478
		1479	for (@diag) {
		1480	my $neigh = find @$_
		1481	or next;
		1482	$neigh->load;
		1483	}
		1484	}
		1485
		1486	sub find_sync {
1276	my ($path, $origin) = @_;	1487	my ($path, $origin) = @_;
1277		1488
1278	#warn "load_map_sync<$path, $origin>\n";#d#	1489	cf::sync_job { find $path, $origin }
		1490	}
1279		1491
1280	cf::sync_job {	1492	sub do_load_sync {
1281	my $map = cf::map::find_map $path, $origin	1493	my ($map) = @_;
1282	or return;	1494
		1495	cf::sync_job { $map->load };
		1496	}
		1497
		1498	our %MAP_PREFETCH;
		1499	our $MAP_PREFETCHER = undef;
		1500
		1501	sub find_async {
		1502	my ($path, $origin) = @_;
		1503
		1504	$path = normalise $path, $origin && $origin->{path};
		1505
		1506	if (my $map = $cf::MAP{$path}) {
		1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1508	}
		1509
		1510	undef $MAP_PREFETCH{$path};
		1511	$MAP_PREFETCHER ||= cf::async {
		1512	while (%MAP_PREFETCH) {
		1513	for my $path (keys %MAP_PREFETCH) {
		1514	my $map = find $path
		1515	or next;
1283	$map->load;	1516	$map->load;
1284	$map	1517
		1518	delete $MAP_PREFETCH{$path};
		1519	}
		1520	}
		1521	undef $MAP_PREFETCHER;
1285	}	1522	};
		1523	$MAP_PREFETCHER->prio (6);
		1524
		1525	()
1286	}	1526	}
1287		1527
1288	sub save {	1528	sub save {
1289	my ($self) = @_;	1529	my ($self) = @_;
1290		1530
		1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1532
1291	$self->{last_save} = $cf::RUNTIME;	1533	$self->{last_save} = $cf::RUNTIME;
1292		1534
1293	return unless $self->dirty;	1535	return unless $self->dirty;
1294		1536
1295	my $save = $self->{path}->save_path; utf8::encode $save;	1537	my $save = $self->save_path; utf8::encode $save;
1296	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1538	my $uniq = $self->uniq_path; utf8::encode $uniq;
1297		1539
1298	$self->{load_path} = $save;	1540	$self->{load_path} = $save;
1299		1541
1300	return if $self->{deny_save};	1542	return if $self->{deny_save};
1301		1543
		1544	local $self->{last_access} = $self->last_access;#d#
		1545
		1546	cf::async {
		1547	$_->contr->save for $self->players;
		1548	};
		1549
1302	if ($uniq) {	1550	if ($uniq) {
1303	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1304	$self->save_objects ($uniq, cf::IO_UNIQUES);	1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1305	} else {	1553	} else {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1307	}	1555	}
1308	}	1556	}
1309		1557
1310	sub swap_out {	1558	sub swap_out {
1311	my ($self) = @_;	1559	my ($self) = @_;
		1560
		1561	# save first because save cedes
		1562	$self->save;
		1563
		1564	my $lock = cf::lock_acquire "map_data:" . $self->path;
1312		1565
1313	return if $self->players;	1566	return if $self->players;
1314	return if $self->in_memory != cf::MAP_IN_MEMORY;	1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1315	return if $self->{deny_save};	1568	return if $self->{deny_save};
1316		1569
1317	$self->save;
1318	$self->clear;	1570	$self->clear;
1319	$self->in_memory (cf::MAP_SWAPPED);	1571	$self->in_memory (cf::MAP_SWAPPED);
1320	}	1572	}
1321		1573
1322	sub reset_at {	1574	sub reset_at {
1323	my ($self) = @_;	1575	my ($self) = @_;
1324		1576
1325	# TODO: safety, remove and allow resettable per-player maps	1577	# TODO: safety, remove and allow resettable per-player maps
1326	return 1e99 if $self->{path}{user_rel};	1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1327	return 1e99 if $self->{deny_reset};	1579	return 1e99 if $self->{deny_reset};
1328		1580
1329	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1330	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1331		1583
…		…
1336	my ($self) = @_;	1588	my ($self) = @_;
1337		1589
1338	$self->reset_at <= $cf::RUNTIME	1590	$self->reset_at <= $cf::RUNTIME
1339	}	1591	}
1340		1592
1341	sub unlink_save {
1342	my ($self) = @_;
1343
1344	utf8::encode (my $save = $self->{path}->save_path);
1345	aioreq_pri 3; IO::AIO::aio_unlink $save;
1346	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1347	}
1348
1349	sub rename {
1350	my ($self, $new_path) = @_;
1351
1352	$self->unlink_save;
1353
1354	delete $cf::MAP{$self->path};
1355	$self->{path} = new cf::path $new_path;
1356	$self->path ($self->{path}->as_string);
1357	$cf::MAP{$self->path} = $self;
1358
1359	$self->save;
1360	}
1361
1362	sub reset {	1593	sub reset {
1363	my ($self) = @_;	1594	my ($self) = @_;
1364		1595
		1596	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1597
1365	return if $self->players;	1598	return if $self->players;
1366	return if $self->{path}{user_rel};#d#	1599	return if $self->isa ("ext::map_per_player");#d#
1367		1600
1368	warn "resetting map ", $self->path;#d#	1601	warn "resetting map ", $self->path;#d#
1369		1602
1370	delete $cf::MAP{$self->path};	1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->in_memory (cf::MAP_SWAPPED);
		1606	$self->clear;
1371		1607
1372	$_->clear_links_to ($self) for values %cf::MAP;	1608	$_->clear_links_to ($self) for values %cf::MAP;
1373		1609
1374	$self->unlink_save;	1610	$self->unlink_save;
1375	$self->destroy;	1611	$self->destroy;
…		…
1378	my $nuke_counter = "aaaa";	1614	my $nuke_counter = "aaaa";
1379		1615
1380	sub nuke {	1616	sub nuke {
1381	my ($self) = @_;	1617	my ($self) = @_;
1382		1618
		1619	delete $cf::MAP{$self->path};
		1620
		1621	$self->unlink_save;
		1622
		1623	bless $self, "cf::map";
		1624	delete $self->{deny_reset};
1383	$self->{deny_save} = 1;	1625	$self->{deny_save} = 1;
1384	$self->reset_timeout (1);	1626	$self->reset_timeout (1);
1385	$self->rename ("{nuke}/" . ($nuke_counter++));	1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1628
		1629	$cf::MAP{$self->path} = $self;
		1630
1386	$self->reset; # polite request, might not happen	1631	$self->reset; # polite request, might not happen
1387	}	1632	}
1388		1633
1389	sub customise_for {	1634	=item cf::map::unique_maps
1390	my ($map, $ob) = @_;
1391		1635
1392	if ($map->per_player) {	1636	Returns an arrayref of paths of all shared maps that have
1393	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1637	instantiated unique items. May block.
1394	}
1395		1638
1396	$map	1639	=cut
1397	}
1398		1640
1399	sub emergency_save {	1641	sub unique_maps() {
1400	local $cf::FREEZE = 1;	1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1643	or return;
1401		1644
1402	warn "enter emergency map save\n";	1645	my @paths;
1403		1646
1404	cf::sync_job {	1647	for (@$files) {
1405	warn "begin emergency map save\n";	1648	utf8::decode $_;
1406	$_->save for values %cf::MAP;	1649	next if /\.pst$/;
		1650	next unless /^$PATH_SEP/o;
		1651
		1652	push @paths, cf::map::normalise $_;
1407	};	1653	}
1408		1654
1409	warn "end emergency map save\n";	1655	\@paths
1410	}	1656	}
1411		1657
1412	package cf;	1658	package cf;
1413		1659
1414	=back	1660	=back
1415		1661
		1662	=head3 cf::object
		1663
		1664	=cut
		1665
		1666	package cf::object;
		1667
		1668	=over 4
		1669
		1670	=item $ob->inv_recursive
		1671
		1672	Returns the inventory of the object _and_ their inventories, recursively.
		1673
		1674	=cut
		1675
		1676	sub inv_recursive_;
		1677	sub inv_recursive_ {
		1678	map { $_, inv_recursive_ $_->inv } @_
		1679	}
		1680
		1681	sub inv_recursive {
		1682	inv_recursive_ inv $_[0]
		1683	}
		1684
		1685	package cf;
		1686
		1687	=back
1416		1688
1417	=head3 cf::object::player	1689	=head3 cf::object::player
1418		1690
1419	=over 4	1691	=over 4
1420		1692
…		…
1460		1732
1461	=item $player_object->enter_link	1733	=item $player_object->enter_link
1462		1734
1463	Freezes the player and moves him/her to a special map (C<{link}>).	1735	Freezes the player and moves him/her to a special map (C<{link}>).
1464		1736
1465	The player should be reaosnably safe there for short amounts of time. You	1737	The player should be reasonably safe there for short amounts of time. You
1466	I<MUST> call C<leave_link> as soon as possible, though.	1738	I<MUST> call C<leave_link> as soon as possible, though.
1467		1739
		1740	Will never block.
		1741
1468	=item $player_object->leave_link ($map, $x, $y)	1742	=item $player_object->leave_link ($map, $x, $y)
1469		1743
1470	Moves the player out of the specila link map onto the given map. If the	1744	Moves the player out of the special C<{link}> map onto the specified
1471	map is not valid (or omitted), the player will be moved back to the	1745	map. If the map is not valid (or omitted), the player will be moved back
1472	location he/she was before the call to C<enter_link>, or, if that fails,	1746	to the location he/she was before the call to C<enter_link>, or, if that
1473	to the emergency map position.	1747	fails, to the emergency map position.
1474		1748
1475	Might block.	1749	Might block.
1476		1750
1477	=cut	1751	=cut
		1752
		1753	sub link_map {
		1754	unless ($LINK_MAP) {
		1755	$LINK_MAP = cf::map::find "{link}"
		1756	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1757	$LINK_MAP->load;
		1758	}
		1759
		1760	$LINK_MAP
		1761	}
1478		1762
1479	sub cf::object::player::enter_link {	1763	sub cf::object::player::enter_link {
1480	my ($self) = @_;	1764	my ($self) = @_;
1481		1765
1482	$self->deactivate_recursive;	1766	$self->deactivate_recursive;
1483		1767
1484	return if $self->map == $LINK_MAP;	1768	return if UNIVERSAL::isa $self->map, "ext::map_link";
1485		1769
1486	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1487	if $self->map;	1771	if $self->map;
1488		1772
1489	$self->enter_map ($LINK_MAP, 20, 20);	1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1490	}	1774	}
1491		1775
1492	sub cf::object::player::leave_link {	1776	sub cf::object::player::leave_link {
1493	my ($self, $map, $x, $y) = @_;	1777	my ($self, $map, $x, $y) = @_;
1494		1778
1495	my $link_pos = delete $self->{_link_pos};	1779	my $link_pos = delete $self->{_link_pos};
1496		1780
1497	unless ($map) {	1781	unless ($map) {
1498	# restore original map position	1782	# restore original map position
1499	($map, $x, $y) = @{ $link_pos || [] };	1783	($map, $x, $y) = @{ $link_pos || [] };
1500	$map = cf::map::find_map $map;	1784	$map = cf::map::find $map;
1501		1785
1502	unless ($map) {	1786	unless ($map) {
1503	($map, $x, $y) = @$EMERGENCY_POSITION;	1787	($map, $x, $y) = @$EMERGENCY_POSITION;
1504	$map = cf::map::find_map $map	1788	$map = cf::map::find $map
1505	or die "FATAL: cannot load emergency map\n";	1789	or die "FATAL: cannot load emergency map\n";
1506	}	1790	}
1507	}	1791	}
1508		1792
1509	($x, $y) = (-1, -1)	1793	($x, $y) = (-1, -1)
…		…
1512	# use -1 or undef as default coordinates, not 0, 0	1796	# use -1 or undef as default coordinates, not 0, 0
1513	($x, $y) = ($map->enter_x, $map->enter_y)	1797	($x, $y) = ($map->enter_x, $map->enter_y)
1514	if $x <=0 && $y <= 0;	1798	if $x <=0 && $y <= 0;
1515		1799
1516	$map->load;	1800	$map->load;
		1801	$map->load_diag;
1517		1802
		1803	return unless $self->contr->active;
1518	$self->activate_recursive;	1804	$self->activate_recursive;
1519	$self->enter_map ($map, $x, $y);	1805	$self->enter_map ($map, $x, $y);
1520	}	1806	}
1521		1807
1522	cf::player->attach (	1808	cf::player->attach (
…		…
1535		1821
1536	# try to abort aborted map switching on player login :)	1822	# try to abort aborted map switching on player login :)
1537	# should happen only on crashes	1823	# should happen only on crashes
1538	if ($pl->ob->{_link_pos}) {	1824	if ($pl->ob->{_link_pos}) {
1539	$pl->ob->enter_link;	1825	$pl->ob->enter_link;
1540	Coro::async {	1826	(async {
1541	# we need this sleep as the login has a concurrent enter_exit running	1827	# 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	1828	# and this sleep increases chances of the player not ending up in scorn
		1829	$pl->ob->reply (undef,
		1830	"There was an internal problem at your last logout, "
		1831	. "the server will try to bring you to your intended destination in a second.",
		1832	cf::NDI_RED);
1543	Coro::Timer::sleep 1;	1833	Coro::Timer::sleep 1;
1544	$pl->ob->leave_link;	1834	$pl->ob->leave_link;
1545	};	1835	})->prio (2);
1546	}	1836	}
1547	},	1837	},
1548	);	1838	);
1549		1839
1550	=item $player_object->goto_map ($path, $x, $y)	1840	=item $player_object->goto ($path, $x, $y)
1551		1841
1552	=cut	1842	=cut
1553		1843
1554	sub cf::object::player::goto_map {	1844	sub cf::object::player::goto {
1555	my ($self, $path, $x, $y) = @_;	1845	my ($self, $path, $x, $y) = @_;
1556		1846
1557	$self->enter_link;	1847	$self->enter_link;
1558		1848
1559	(Coro::async {	1849	(async {
1560	$path = new cf::path $path;	1850	my $map = eval {
1561
1562	my $map = cf::map::find_map $path->as_string;	1851	my $map = cf::map::find $path;
1563	$map = $map->customise_for ($self) if $map;	1852	$map = $map->customise_for ($self) if $map;
1564		1853	$map
1565	# warn "entering ", $map->path, " at ($x, $y)\n"	1854	} or
1566	# if $map;
1567
1568	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1569		1856
1570	$self->leave_link ($map, $x, $y);	1857	$self->leave_link ($map, $x, $y);
1571	})->prio (1);	1858	})->prio (1);
1572	}	1859	}
1573		1860
…		…
1577		1864
1578	sub parse_random_map_params {	1865	sub parse_random_map_params {
1579	my ($spec) = @_;	1866	my ($spec) = @_;
1580		1867
1581	my $rmp = { # defaults	1868	my $rmp = { # defaults
1582	xsize => 10,	1869	xsize => (cf::rndm 15, 40),
1583	ysize => 10,	1870	ysize => (cf::rndm 15, 40),
		1871	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1872	#layout => string,
1584	};	1873	};
1585		1874
1586	for (split /\n/, $spec) {	1875	for (split /\n/, $spec) {
1587	my ($k, $v) = split /\s+/, $_, 2;	1876	my ($k, $v) = split /\s+/, $_, 2;
1588		1877
…		…
1592	$rmp	1881	$rmp
1593	}	1882	}
1594		1883
1595	sub prepare_random_map {	1884	sub prepare_random_map {
1596	my ($exit) = @_;	1885	my ($exit) = @_;
		1886
		1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1597		1888
1598	# all this does is basically replace the /! path by	1889	# all this does is basically replace the /! path by
1599	# a new random map path (?random/...) with a seed	1890	# a new random map path (?random/...) with a seed
1600	# that depends on the exit object	1891	# that depends on the exit object
1601		1892
1602	my $rmp = parse_random_map_params $exit->msg;	1893	my $rmp = parse_random_map_params $exit->msg;
1603		1894
1604	if ($exit->map) {	1895	if ($exit->map) {
1605	$rmp->{region} = $exit->map->region_name;	1896	$rmp->{region} = $exit->region->name;
1606	$rmp->{origin_map} = $exit->map->path;	1897	$rmp->{origin_map} = $exit->map->path;
1607	$rmp->{origin_x} = $exit->x;	1898	$rmp->{origin_x} = $exit->x;
1608	$rmp->{origin_y} = $exit->y;	1899	$rmp->{origin_y} = $exit->y;
1609	}	1900	}
1610		1901
1611	$rmp->{random_seed} ||= $exit->random_seed;	1902	$rmp->{random_seed} ||= $exit->random_seed;
1612		1903
1613	my $data = cf::to_json $rmp;	1904	my $data = cf::to_json $rmp;
1614	my $md5 = Digest::MD5::md5_hex $data;	1905	my $md5 = Digest::MD5::md5_hex $data;
		1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1615		1907
1616	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1617	aio_write $fh, 0, (length $data), $data, 0;	1909	aio_write $fh, 0, (length $data), $data, 0;
		1910	undef $fh;
		1911	aio_rename "$meta~", $meta;
1618		1912
1619	$exit->slaying ("?random/$md5");	1913	$exit->slaying ("?random/$md5");
1620	$exit->msg (undef);	1914	$exit->msg (undef);
1621	}	1915	}
1622	}	1916	}
…		…
1624	sub cf::object::player::enter_exit {	1918	sub cf::object::player::enter_exit {
1625	my ($self, $exit) = @_;	1919	my ($self, $exit) = @_;
1626		1920
1627	return unless $self->type == cf::PLAYER;	1921	return unless $self->type == cf::PLAYER;
1628		1922
		1923	if ($exit->slaying eq "/!") {
		1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1925	cf::sync_job { prepare_random_map $exit };
		1926	}
		1927
		1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1929	my $hp = $exit->stats->hp;
		1930	my $sp = $exit->stats->sp;
		1931
1629	$self->enter_link;	1932	$self->enter_link;
1630		1933
1631	(Coro::async {	1934	(async {
		1935	$self->deactivate_recursive; # just to be sure
1632	unless (eval {	1936	unless (eval {
1633		1937	$self->goto ($slaying, $hp, $sp);
1634	prepare_random_map $exit
1635	if $exit->slaying eq "/!";
1636
1637	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1638	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1639		1938
1640	1;	1939	1;
1641	}) {	1940	}) {
1642	$self->message ("Something went wrong deep within the crossfire server. "	1941	$self->message ("Something went wrong deep within the crossfire server. "
1643	. "I'll try to bring you back to the map you were before. "	1942	. "I'll try to bring you back to the map you were before. "
1644	. "Please report this to the dungeon master",	1943	. "Please report this to the dungeon master!",
1645	cf::NDI_UNIQUE | cf::NDI_RED);	1944	cf::NDI_UNIQUE | cf::NDI_RED);
1646		1945
1647	warn "ERROR in enter_exit: $@";	1946	warn "ERROR in enter_exit: $@";
1648	$self->leave_link;	1947	$self->leave_link;
1649	}	1948	}
…		…
1700	on_reply => sub {	1999	on_reply => sub {
1701	my ($ns, $msg) = @_;	2000	my ($ns, $msg) = @_;
1702		2001
1703	# this weird shuffling is so that direct followup queries	2002	# this weird shuffling is so that direct followup queries
1704	# get handled first	2003	# get handled first
1705	my $queue = delete $ns->{query_queue};	2004	my $queue = delete $ns->{query_queue}
		2005	or return; # be conservative, not sure how that can happen, but we saw a crash here
1706		2006
1707	(shift @$queue)->[1]->($msg);	2007	(shift @$queue)->[1]->($msg);
		2008	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1708		2009
1709	push @{ $ns->{query_queue} }, @$queue;	2010	push @{ $ns->{query_queue} }, @$queue;
1710		2011
1711	if (@{ $ns->{query_queue} } == @$queue) {	2012	if (@{ $ns->{query_queue} } == @$queue) {
1712	if (@$queue) {	2013	if (@$queue) {
…		…
1716	}	2017	}
1717	}	2018	}
1718	},	2019	},
1719	);	2020	);
1720		2021
1721	=item $client->coro (\&cb)	2022	=item $client->async (\&cb)
1722		2023
1723	Create a new coroutine, running the specified callback. The coroutine will	2024	Create a new coroutine, running the specified callback. The coroutine will
1724	be automatically cancelled when the client gets destroyed (e.g. on logout,	2025	be automatically cancelled when the client gets destroyed (e.g. on logout,
1725	or loss of connection).	2026	or loss of connection).
1726		2027
1727	=cut	2028	=cut
1728		2029
1729	sub cf::client::coro {	2030	sub cf::client::async {
1730	my ($self, $cb) = @_;	2031	my ($self, $cb) = @_;
1731		2032
1732	my $coro; $coro = async {	2033	my $coro = &Coro::async ($cb);
1733	eval {
1734	$cb->();
1735	};
1736	warn $@ if $@;
1737	};
1738		2034
1739	$coro->on_destroy (sub {	2035	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2036	delete $self->{_coro}{$coro+0};
1741	});	2037	});
1742		2038
…		…
1914		2210
1915	{	2211	{
1916	my $path = cf::localdir . "/database.pst";	2212	my $path = cf::localdir . "/database.pst";
1917		2213
1918	sub db_load() {	2214	sub db_load() {
1919	warn "loading database $path\n";#d# remove later
1920	$DB = stat $path ? Storable::retrieve $path : { };	2215	$DB = stat $path ? Storable::retrieve $path : { };
1921	}	2216	}
1922		2217
1923	my $pid;	2218	my $pid;
1924		2219
1925	sub db_save() {	2220	sub db_save() {
1926	warn "saving database $path\n";#d# remove later
1927	waitpid $pid, 0 if $pid;	2221	waitpid $pid, 0 if $pid;
1928	if (0 == ($pid = fork)) {	2222	if (0 == ($pid = fork)) {
1929	$DB->{_meta}{version} = 1;	2223	$DB->{_meta}{version} = 1;
1930	Storable::nstore $DB, "$path~";	2224	Storable::nstore $DB, "$path~";
1931	rename "$path~", $path;	2225	rename "$path~", $path;
…		…
1938	sub db_sync() {	2232	sub db_sync() {
1939	db_save if $dirty;	2233	db_save if $dirty;
1940	undef $dirty;	2234	undef $dirty;
1941	}	2235	}
1942		2236
1943	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2237	my $idle = Event->idle (
1944	db_sync;	2238	reentrant => 0,
		2239	min => 10,
		2240	max => 20,
		2241	repeat => 0,
		2242	data => WF_AUTOCANCEL,
		2243	cb => \&db_sync,
1945	});	2244	);
1946		2245
1947	sub db_dirty() {	2246	sub db_dirty() {
1948	$dirty = 1;	2247	$dirty = 1;
1949	$idle->start;	2248	$idle->start;
1950	}	2249	}
…		…
1971	},	2270	},
1972	);	2271	);
1973	}	2272	}
1974		2273
1975	#############################################################################	2274	#############################################################################
1976	# the server's main()	2275	# the server's init and main functions
		2276
		2277	sub load_resources {
		2278	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2279	or die "unable to load regions file\n";#d#
		2280	}
1977		2281
1978	sub cfg_load {	2282	sub cfg_load {
1979	open my $fh, "<:utf8", cf::confdir . "/config"	2283	open my $fh, "<:utf8", cf::confdir . "/config"
1980	or return;	2284	or return;
1981		2285
1982	local $/;	2286	local $/;
1983	*CFG = YAML::Syck::Load <$fh>;	2287	*CFG = YAML::Syck::Load <$fh>;
		2288
		2289	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2290
		2291	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2292	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2293
		2294	if (exists $CFG{mlockall}) {
		2295	eval {
		2296	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2297	and die "WARNING: m(un)lockall failed: $!\n";
		2298	};
		2299	warn $@ if $@;
		2300	}
		2301	}
		2302
		2303	sub init {
		2304	load_resources;
1984	}	2305	}
1985		2306
1986	sub main {	2307	sub main {
1987	# we must not ever block the main coroutine	2308	# we must not ever block the main coroutine
1988	local $Coro::idle = sub {	2309	local $Coro::idle = sub {
1989	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2310	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1990	(Coro::unblock_sub {	2311	(async {
1991	Event::one_event;	2312	Event::one_event;
1992	})->();	2313	})->prio (Coro::PRIO_MAX);
1993	};	2314	};
1994		2315
1995	cfg_load;	2316	cfg_load;
1996	db_load;	2317	db_load;
1997	load_extensions;	2318	load_extensions;
		2319
		2320	$TICK_WATCHER->start;
1998	Event::loop;	2321	Event::loop;
1999	}	2322	}
2000		2323
2001	#############################################################################	2324	#############################################################################
2002	# initialisation	2325	# initialisation and cleanup
		2326
		2327	# install some emergency cleanup handlers
		2328	BEGIN {
		2329	for my $signal (qw(INT HUP TERM)) {
		2330	Event->signal (
		2331	reentrant => 0,
		2332	data => WF_AUTOCANCEL,
		2333	signal => $signal,
		2334	prio => 0,
		2335	cb => sub {
		2336	cf::cleanup "SIG$signal";
		2337	},
		2338	);
		2339	}
		2340	}
		2341
		2342	sub emergency_save() {
		2343	my $freeze_guard = cf::freeze_mainloop;
		2344
		2345	warn "enter emergency perl save\n";
		2346
		2347	cf::sync_job {
		2348	# use a peculiar iteration method to avoid tripping on perl
		2349	# refcount bugs in for. also avoids problems with players
		2350	# and maps saved/destroyed asynchronously.
		2351	warn "begin emergency player save\n";
		2352	for my $login (keys %cf::PLAYER) {
		2353	my $pl = $cf::PLAYER{$login} or next;
		2354	$pl->valid or next;
		2355	$pl->save;
		2356	}
		2357	warn "end emergency player save\n";
		2358
		2359	warn "begin emergency map save\n";
		2360	for my $path (keys %cf::MAP) {
		2361	my $map = $cf::MAP{$path} or next;
		2362	$map->valid or next;
		2363	$map->save;
		2364	}
		2365	warn "end emergency map save\n";
		2366	};
		2367
		2368	warn "leave emergency perl save\n";
		2369	}
2003		2370
2004	sub reload() {	2371	sub reload() {
2005	# can/must only be called in main	2372	# can/must only be called in main
2006	if ($Coro::current != $Coro::main) {	2373	if ($Coro::current != $Coro::main) {
2007	warn "can only reload from main coroutine\n";	2374	warn "can only reload from main coroutine";
2008	return;	2375	return;
2009	}	2376	}
2010		2377
2011	warn "reloading...";	2378	warn "reloading...";
2012		2379
2013	local $FREEZE = 1;	2380	warn "cancelling server ticker";
		2381	$TICK_WATCHER->cancel;
		2382
2014	cf::emergency_save;	2383	cf::emergency_save;
2015		2384
2016	eval {	2385	eval {
2017	# if anything goes wrong in here, we should simply crash as we already saved	2386	# if anything goes wrong in here, we should simply crash as we already saved
2018		2387
2019	# cancel all watchers	2388	warn "syncing database to disk";
		2389	cf::db_sync;
		2390
		2391	warn "cancelling all WF_AUTOCANCEL watchers";
2020	for (Event::all_watchers) {	2392	for (Event::all_watchers) {
2021	$_->cancel if $_->data & WF_AUTOCANCEL;	2393	$_->cancel if $_->data & WF_AUTOCANCEL;
2022	}	2394	}
2023		2395
		2396	warn "flushing outstanding aio requests";
		2397	for (;;) {
		2398	IO::AIO::flush;
		2399	Coro::cede;
		2400	last unless IO::AIO::nreqs;
		2401	warn "iterate...";
		2402	}
		2403
2024	# cancel all extension coros	2404	warn "cancelling all extension coros";
2025	$_->cancel for values %EXT_CORO;	2405	$_->cancel for values %EXT_CORO;
2026	%EXT_CORO = ();	2406	%EXT_CORO = ();
2027		2407
2028	# unload all extensions	2408	warn "removing commands";
2029	for (@exts) {	2409	%COMMAND = ();
		2410
		2411	warn "removing ext commands";
		2412	%EXTCMD = ();
		2413
		2414	warn "unloading/nuking all extensions";
		2415	for my $pkg (@EXTS) {
2030	warn "unloading <$_>";	2416	warn "... unloading $pkg";
2031	unload_extension $_;	2417
		2418	if (my $cb = $pkg->can ("unload")) {
		2419	eval {
		2420	$cb->($pkg);
		2421	1
		2422	} or warn "$pkg unloaded, but with errors: $@";
2032	}	2423	}
2033		2424
		2425	warn "... nuking $pkg";
		2426	Symbol::delete_package $pkg;
		2427	}
		2428
2034	# unload all modules loaded from $LIBDIR	2429	warn "unloading all perl modules loaded from $LIBDIR";
2035	while (my ($k, $v) = each %INC) {	2430	while (my ($k, $v) = each %INC) {
2036	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2431	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2037		2432
2038	warn "removing <$k>";	2433	warn "... unloading $k";
2039	delete $INC{$k};	2434	delete $INC{$k};
2040		2435
2041	$k =~ s/\.pm$//;	2436	$k =~ s/\.pm$//;
2042	$k =~ s/\//::/g;	2437	$k =~ s/\//::/g;
2043		2438
…		…
2046	}	2441	}
2047		2442
2048	Symbol::delete_package $k;	2443	Symbol::delete_package $k;
2049	}	2444	}
2050		2445
2051	# sync database to disk
2052	cf::db_sync;
2053	IO::AIO::flush;
2054
2055	# get rid of safe::, as good as possible	2446	warn "getting rid of safe::, as good as possible";
2056	Symbol::delete_package "safe::$_"	2447	Symbol::delete_package "safe::$_"
2057	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2448	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2058		2449
2059	# remove register_script_function callbacks
2060	# TODO
2061
2062	# unload cf.pm "a bit"	2450	warn "unloading cf.pm \"a bit\"";
2063	delete $INC{"cf.pm"};	2451	delete $INC{"cf.pm"};
2064		2452
2065	# don't, removes xs symbols, too,	2453	# don't, removes xs symbols, too,
2066	# and global variables created in xs	2454	# and global variables created in xs
2067	#Symbol::delete_package __PACKAGE__;	2455	#Symbol::delete_package __PACKAGE__;
2068		2456
2069	# reload cf.pm	2457	warn "unload completed, starting to reload now";
		2458
2070	warn "reloading cf.pm";	2459	warn "reloading cf.pm";
2071	require cf;	2460	require cf;
2072	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2461	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2073		2462
2074	# load config and database again	2463	warn "loading config and database again";
2075	cf::cfg_load;	2464	cf::cfg_load;
2076	cf::db_load;	2465	cf::db_load;
2077		2466
2078	# load extensions
2079	warn "load extensions";	2467	warn "loading extensions";
2080	cf::load_extensions;	2468	cf::load_extensions;
2081		2469
2082	# reattach attachments to objects	2470	warn "reattaching attachments to objects/players";
2083	warn "reattach";
2084	_global_reattach;	2471	_global_reattach;
		2472	warn "reattaching attachments to maps";
		2473	reattach $_ for values %MAP;
		2474
		2475	warn "loading reloadable resources";
		2476	load_resources;
		2477
		2478	warn "restarting server ticker";
		2479
		2480	$TICK_WATCHER->start;
2085	};	2481	};
2086		2482
2087	if ($@) {	2483	if ($@) {
2088	warn $@;	2484	warn $@;
2089	warn "error while reloading, exiting.";	2485	warn "error while reloading, exiting.";
2090	exit 1;	2486	exit 1;
2091	}	2487	}
2092		2488
2093	warn "reloaded successfully";	2489	warn "reloaded";
2094	};	2490	};
2095		2491
2096	#############################################################################	2492	our $RELOAD_WATCHER; # used only during reload
2097
2098	unless ($LINK_MAP) {
2099	$LINK_MAP = cf::map::new;
2100
2101	$LINK_MAP->width (41);
2102	$LINK_MAP->height (41);
2103	$LINK_MAP->alloc;
2104	$LINK_MAP->path ("{link}");
2105	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2106	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2107
2108	# dirty hack because... archetypes are not yet loaded
2109	Event->timer (
2110	after => 2,
2111	cb => sub {
2112	$_[0]->w->cancel;
2113
2114	# provide some exits "home"
2115	my $exit = cf::object::new "exit";
2116
2117	$exit->slaying ($EMERGENCY_POSITION->[0]);
2118	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2119	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2120
2121	$LINK_MAP->insert ($exit->clone, 19, 19);
2122	$LINK_MAP->insert ($exit->clone, 19, 20);
2123	$LINK_MAP->insert ($exit->clone, 19, 21);
2124	$LINK_MAP->insert ($exit->clone, 20, 19);
2125	$LINK_MAP->insert ($exit->clone, 20, 21);
2126	$LINK_MAP->insert ($exit->clone, 21, 19);
2127	$LINK_MAP->insert ($exit->clone, 21, 20);
2128	$LINK_MAP->insert ($exit->clone, 21, 21);
2129
2130	$exit->destroy;
2131	});
2132
2133	$LINK_MAP->{deny_save} = 1;
2134	$LINK_MAP->{deny_reset} = 1;
2135
2136	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2137	}
2138
2139	register "<global>", __PACKAGE__;
2140		2493
2141	register_command "reload" => sub {	2494	register_command "reload" => sub {
2142	my ($who, $arg) = @_;	2495	my ($who, $arg) = @_;
2143		2496
2144	if ($who->flag (FLAG_WIZ)) {	2497	if ($who->flag (FLAG_WIZ)) {
2145	$who->message ("start of reload.");	2498	$who->message ("reloading server.");
		2499
		2500	# doing reload synchronously and two reloads happen back-to-back,
		2501	# coro crashes during coro_state_free->destroy here.
		2502
		2503	$RELOAD_WATCHER ||= Event->timer (
		2504	reentrant => 0,
		2505	after => 0,
		2506	data => WF_AUTOCANCEL,
		2507	cb => sub {
2146	reload;	2508	reload;
2147	$who->message ("end of reload.");	2509	undef $RELOAD_WATCHER;
		2510	},
		2511	);
2148	}	2512	}
2149	};	2513	};
2150		2514
2151	unshift @INC, $LIBDIR;	2515	unshift @INC, $LIBDIR;
		2516
		2517	my $bug_warning = 0;
2152		2518
2153	$TICK_WATCHER = Event->timer (	2519	$TICK_WATCHER = Event->timer (
2154	reentrant => 0,	2520	reentrant => 0,
		2521	parked => 1,
2155	prio => 0,	2522	prio => 0,
2156	at => $NEXT_TICK || $TICK,	2523	at => $NEXT_TICK || $TICK,
2157	data => WF_AUTOCANCEL,	2524	data => WF_AUTOCANCEL,
2158	cb => sub {	2525	cb => sub {
2159	unless ($FREEZE) {	2526	if ($Coro::current != $Coro::main) {
		2527	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2528	unless ++$bug_warning > 10;
		2529	return;
		2530	}
		2531
		2532	$NOW = Event::time;
		2533
2160	cf::server_tick; # one server iteration	2534	cf::server_tick; # one server iteration
2161	$RUNTIME += $TICK;	2535	$RUNTIME += $TICK;
2162	}
2163
2164	$NEXT_TICK += $TICK;	2536	$NEXT_TICK += $TICK;
		2537
		2538	$WAIT_FOR_TICK->broadcast;
		2539	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2540
		2541	Event::sweep;
		2542	Coro::cede_notself;
		2543
		2544	# my $AFTER = Event::time;
		2545	# warn $AFTER - $NOW;#d#
2165		2546
2166	# if we are delayed by four ticks or more, skip them all	2547	# if we are delayed by four ticks or more, skip them all
2167	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2168		2549
2169	$TICK_WATCHER->at ($NEXT_TICK);	2550	$TICK_WATCHER->at ($NEXT_TICK);
2170	$TICK_WATCHER->start;	2551	$TICK_WATCHER->start;
2171	},	2552	},
2172	);	2553	);
2173		2554
2174	IO::AIO::max_poll_time $TICK * 0.2;	2555	IO::AIO::max_poll_time $TICK * 0.1;
2175		2556
2176	Event->io (	2557	undef $Coro::AIO::WATCHER;
		2558	$AIO_POLL_WATCHER = Event->io (
		2559	reentrant => 0,
2177	fd => IO::AIO::poll_fileno,	2560	fd => IO::AIO::poll_fileno,
2178	poll => 'r',	2561	poll => 'r',
2179	prio => 5,	2562	prio => 6,
2180	data => WF_AUTOCANCEL,	2563	data => WF_AUTOCANCEL,
2181	cb => \&IO::AIO::poll_cb,	2564	cb => \&IO::AIO::poll_cb,
2182	);	2565	);
2183		2566
2184	Event->timer (	2567	$WRITE_RUNTIME_WATCHER = Event->timer (
		2568	reentrant => 0,
2185	data => WF_AUTOCANCEL,	2569	data => WF_AUTOCANCEL,
2186	after => 0,	2570	after => 1,
2187	interval => 10,	2571	interval => 10,
2188	cb => sub {	2572	prio => 6, # keep it lowest so it acts like a watchdog
2189	(Coro::unblock_sub {	2573	cb => Coro::unblock_sub {
2190	write_runtime	2574	write_runtime
2191	or warn "ERROR: unable to write runtime file: $!";	2575	or warn "ERROR: unable to write runtime file: $!";
2192	})->();
2193	},	2576	},
2194	);	2577	);
2195		2578
		2579	END { cf::emergency_save }
		2580
2196	1	2581	1
2197		2582

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