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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.126 by root, Tue Jan 2 23:12:47 2007 UTC vs.
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		69
58	binmode STDOUT;	70	binmode STDOUT;
59	binmode STDERR;	71	binmode STDERR;
60		72
61	# read virtual server time, if available	73	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
73		85
74	# a special map that is always available	86	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		87
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	88	sub cf::map::normalise;
78		89
79	#############################################################################	90	#############################################################################
80		91
81	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
82		93
…		…
106		117
107	=item %cf::CFG	118	=item %cf::CFG
108		119
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	121	from wherever your confdir points to.
		122
		123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		124
		125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		127	processing has been done. Call C<< ->wait >> on them to maximise the
		128	window of cpu time available, or simply to synchronise to the server tick.
111		129
112	=back	130	=back
113		131
114	=cut	132	=cut
115		133
…		…
119	utf8::encode $msg;	137	utf8::encode $msg;
120		138
121	$msg .= "\n"	139	$msg .= "\n"
122	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
123		141
124	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
125	};	143	};
126	}	144	}
127		145
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		165
148	$Event::DIED = sub {	166	$Event::DIED = sub {
149	warn "error in event callback: @_";	167	warn "error in event callback: @_";
150	};	168	};
151		169
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
157		171
158	=over 4	172	=over 4
159		173
		174	=item dumpval $ref
		175
160	=cut	176	=cut
		177
		178	sub dumpval {
		179	eval {
		180	local $SIG{__DIE__};
		181	my $d;
		182	if (1) {
		183	$d = new Data::Dumper([$_[0]], ["*var"]);
		184	$d->Terse(1);
		185	$d->Indent(2);
		186	$d->Quotekeys(0);
		187	$d->Useqq(1);
		188	#$d->Bless(...);
		189	$d->Seen($_[1]) if @_ > 1;
		190	$d = $d->Dump();
		191	}
		192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		193	$d
		194	} || "[unable to dump $_[0]: '$@']";
		195	}
161		196
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		198
164	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
165		200
…		…
181	sub to_json($) {	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	my $files = aio_readdir playerdir $pl
		1085	or return;
		1086
		1087	my @paths;
		1088
		1089	for (@$files) {
		1090	utf8::decode $_;
		1091	next if /\.(?:pl|pst)$/;
		1092	next unless /^$PATH_SEP/o;
		1093
		1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;
		1095	}
		1096
		1097	\@paths
1101	}	1098	}
1102		1099
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1100	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1101
1105	Sends an ext reply to the player.	1102	Sends an ext reply to the player.
1106		1103
1107	=cut	1104	=cut
1108		1105
1109	sub cf::player::ext_reply($$$%) {	1106	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1107	my ($self, $id, %msg) = @_;
1111		1108
1112	$msg{msgid} = $id;	1109	$msg{msgid} = $id;
1113		1110
1114	$self->send ("ext " . to_json \%msg);	1111	$self->send ("ext " . cf::to_json \%msg);
1115	}	1112	}
		1113
		1114	package cf;
1116		1115
1117	=back	1116	=back
1118		1117
1119		1118
1120	=head3 cf::map	1119	=head3 cf::map
…		…
1126	package cf::map;	1125	package cf::map;
1127		1126
1128	use Fcntl;	1127	use Fcntl;
1129	use Coro::AIO;	1128	use Coro::AIO;
1130		1129
		1130	use overload
		1131	'""' => \&as_string,
		1132	fallback => 1;
		1133
1131	our $MAX_RESET = 7200;	1134	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1135	our $DEFAULT_RESET = 3000;
1133		1136
1134	sub generate_random_map {	1137	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1138	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1139	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1140	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1144	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1145	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1146	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1147	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1148	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1149	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1150	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1151	(cf::region::find $rmp->{region}), $rmp->{custom}
		1152	)
		1153	}
		1154
		1155	=item cf::map->register ($regex, $prio)
		1156
		1157	Register a handler for the map path matching the given regex at the
		1158	givne priority (higher is better, built-in handlers have priority 0, the
		1159	default).
		1160
		1161	=cut
		1162
		1163	sub register {
		1164	my (undef, $regex, $prio) = @_;
		1165	my $pkg = caller;
		1166
		1167	no strict;
		1168	push @{"$pkg\::ISA"}, __PACKAGE__;
		1169
		1170	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1171	}
		1172
		1173	# also paths starting with '/'
		1174	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1175
		1176	sub thawer_merge {
		1177	my ($self, $merge) = @_;
		1178
		1179	# we have to keep some variables in memory intact
		1180	local $self->{path};
		1181	local $self->{load_path};
		1182	local $self->{deny_save};
		1183	local $self->{deny_reset};
		1184
		1185	$self->SUPER::thawer_merge ($merge);
		1186	}
		1187
		1188	sub normalise {
		1189	my ($path, $base) = @_;
		1190
		1191	$path = "$path"; # make sure its a string
		1192
		1193	$path =~ s/\.map$//;
		1194
		1195	# map plan:
		1196	#
		1197	# /! non-realised random map exit (special hack!)
		1198	# {... are special paths that are not being touched
		1199	# ?xxx/... are special absolute paths
		1200	# ?random/... random maps
		1201	# /... normal maps
		1202	# ~user/... per-player map of a specific user
		1203
		1204	$path =~ s/$PATH_SEP/\//go;
		1205
		1206	# treat it as relative path if it starts with
		1207	# something that looks reasonable
		1208	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1209	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1210
		1211	$base =~ s{[^/]+/?$}{};
		1212	$path = "$base/$path";
		1213	}
		1214
		1215	for ($path) {
		1216	redo if s{//}{/};
		1217	redo if s{/\.?/}{/};
		1218	redo if s{/[^/]+/\.\./}{/};
		1219	}
		1220
		1221	$path
		1222	}
		1223
		1224	sub new_from_path {
		1225	my (undef, $path, $base) = @_;
		1226
		1227	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1228
		1229	$path = normalise $path, $base;
		1230
		1231	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1232	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1233	my $self = bless cf::map::new, $pkg;
		1234	$self->{path} = $path; $self->path ($path);
		1235	$self->init; # pass $1 etc.
		1236	return $self;
		1237	}
		1238	}
		1239
		1240	Carp::carp "unable to resolve path '$path' (base '$base').";
		1241	()
		1242	}
		1243
		1244	sub init {
		1245	my ($self) = @_;
		1246
		1247	$self
		1248	}
		1249
		1250	sub as_string {
		1251	my ($self) = @_;
		1252
		1253	"$self->{path}"
		1254	}
		1255
		1256	# the displayed name, this is a one way mapping
		1257	sub visible_name {
		1258	&as_string
		1259	}
		1260
		1261	# the original (read-only) location
		1262	sub load_path {
		1263	my ($self) = @_;
		1264
		1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1266	}
		1267
		1268	# the temporary/swap location
		1269	sub save_path {
		1270	my ($self) = @_;
		1271
		1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1274	}
		1275
		1276	# the unique path, undef == no special unique path
		1277	sub uniq_path {
		1278	my ($self) = @_;
		1279
		1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1151	}	1282	}
1152		1283
1153	# and all this just because we cannot iterate over	1284	# and all this just because we cannot iterate over
1154	# all maps in C++...	1285	# all maps in C++...
1155	sub change_all_map_light {	1286	sub change_all_map_light {
…		…
1157		1288
1158	$_->change_map_light ($change)	1289	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1290	for grep $_->outdoor, values %cf::MAP;
1160	}	1291	}
1161		1292
		1293	sub unlink_save {
		1294	my ($self) = @_;
		1295
		1296	utf8::encode (my $save = $self->save_path);
		1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1299
		1300	#d#TODO remove .map and also nuke
		1301	$save =~ s/\.map// or return;#d#
		1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1304	}
		1305
1162	sub try_load_header($) {	1306	sub load_header_from($) {
1163	my ($path) = @_;	1307	my ($self, $path) = @_;
1164		1308
1165	utf8::encode $path;	1309	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1310	#aio_open $path, O_RDONLY, 0
		1311	# or return;
		1312
		1313	$self->_load_header ($path)
1167	or return;	1314	or return;
1168		1315
1169	my $map = cf::map::new	1316	$self->{load_path} = $path;
		1317
		1318	1
		1319	}
		1320
		1321	sub load_header_orig {
		1322	my ($self) = @_;
		1323
		1324	$self->load_header_from ($self->load_path)
		1325	}
		1326
		1327	sub load_header_temp {
		1328	my ($self) = @_;
		1329
		1330	$self->load_header_from ($self->save_path)
		1331	}
		1332
		1333	sub prepare_temp {
		1334	my ($self) = @_;
		1335
		1336	$self->last_access ((delete $self->{last_access})
		1337	|| $cf::RUNTIME); #d#
		1338	# safety
		1339	$self->{instantiate_time} = $cf::RUNTIME
		1340	if $self->{instantiate_time} > $cf::RUNTIME;
		1341	}
		1342
		1343	sub prepare_orig {
		1344	my ($self) = @_;
		1345
		1346	$self->{load_original} = 1;
		1347	$self->{instantiate_time} = $cf::RUNTIME;
		1348	$self->last_access ($cf::RUNTIME);
		1349	$self->instantiate;
		1350	}
		1351
		1352	sub load_header {
		1353	my ($self) = @_;
		1354
		1355	if ($self->load_header_temp) {
		1356	$self->prepare_temp;
		1357	} else {
		1358	$self->load_header_orig
1170	or return;	1359	or return;
		1360	$self->prepare_orig;
		1361	}
1171		1362
1172	$map->load_header ($path)	1363	1
1173	or return;
1174
1175	$map->{load_path} = $path;
1176
1177	$map
1178	}	1364	}
1179		1365
1180	sub find_map;	1366	sub find;
1181	sub find_map {	1367	sub find {
1182	my ($path, $origin) = @_;	1368	my ($path, $origin) = @_;
1183		1369
1184	#warn "find_map<$path,$origin>\n";#d#
1185
1186	$path = new cf::path $path, $origin && $origin->path;	1370	$path = normalise $path, $origin && $origin->path;
1187	my $key = $path->as_string;
1188		1371
1189	cf::lock_wait "map_find:$key";	1372	cf::lock_wait "map_find:$path";
1190		1373
1191	$cf::MAP{$key} || do {	1374	$cf::MAP{$path} || do {
1192	my $guard = cf::lock_acquire "map_find:$key";	1375	my $guard = cf::lock_acquire "map_find:$path";
1193		1376	my $map = new_from_path cf::map $path
1194	# do it the slow way
1195	my $map = try_load_header $path->save_path;
1196
1197	if ($map) {
1198	# safety
1199	$map->{instantiate_time} = $cf::RUNTIME
1200	if $map->{instantiate_time} > $cf::RUNTIME;
1201	} else {
1202	if (my $rmp = $path->random_map_params) {
1203	$map = generate_random_map $key, $rmp;
1204	} else {
1205	$map = try_load_header $path->load_path;
1206	}
1207
1208	$map or return;	1377	or return;
1209		1378
1210	$map->{load_original} = 1;
1211	$map->{instantiate_time} = $cf::RUNTIME;
1212	$map->instantiate;
1213
1214	# per-player maps become, after loading, normal maps
1215	$map->per_player (0) if $path->{user_rel};
1216	}
1217
1218	$map->path ($key);
1219	$map->{path} = $path;
1220	$map->{last_save} = $cf::RUNTIME;	1379	$map->{last_save} = $cf::RUNTIME;
1221	$map->last_access ($cf::RUNTIME);
1222		1380
1223	if ($map->should_reset) {	1381	$map->load_header
		1382	or return;
		1383
		1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1385	# doing this can freeze the server in a sync job, obviously
		1386	#$cf::WAIT_FOR_TICK->wait;
1224	$map->reset;	1387	$map->reset;
1225	undef $guard;	1388	undef $guard;
1226	$map = find_map $path	1389	return find $path;
1227	or return;
1228	}	1390	}
1229		1391
1230	$cf::MAP{$key} = $map	1392	$cf::MAP{$path} = $map
1231	}	1393	}
1232	}	1394	}
		1395
		1396	sub pre_load { }
		1397	sub post_load { }
1233		1398
1234	sub load {	1399	sub load {
1235	my ($self) = @_;	1400	my ($self) = @_;
1236		1401
		1402	local $self->{deny_reset} = 1; # loading can take a long time
		1403
1237	my $path = $self->{path};	1404	my $path = $self->{path};
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1405	my $guard = cf::lock_acquire "map_load:$path";
1239		1406
1240	return if $self->in_memory != cf::MAP_SWAPPED;	1407	return if $self->in_memory != cf::MAP_SWAPPED;
1241		1408
1242	$self->in_memory (cf::MAP_LOADING);	1409	$self->in_memory (cf::MAP_LOADING);
1243		1410
1244	$self->alloc;	1411	$self->alloc;
		1412
		1413	$self->pre_load;
		1414
1245	$self->load_objects ($self->{load_path}, 1)	1415	$self->_load_objects ($self->{load_path}, 1)
1246	or return;	1416	or return;
1247		1417
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249	if delete $self->{load_original};	1419	if delete $self->{load_original};
1250		1420
1251	if (my $uniq = $path->uniq_path) {	1421	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	1422	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	1423	if (aio_open $uniq, O_RDONLY, 0) {
1254	$self->clear_unique_items;	1424	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	1425	$self->_load_objects ($uniq, 0);
1256	}	1426	}
1257	}	1427	}
		1428
		1429	Coro::cede;
1258		1430
1259	# now do the right thing for maps	1431	# now do the right thing for maps
1260	$self->link_multipart_objects;	1432	$self->link_multipart_objects;
1261		1433
1262	if ($self->{path}->is_style_map) {	1434	unless ($self->{deny_activate}) {
1263	$self->{deny_save} = 1;	1435	$self->decay_objects;
1264	$self->{deny_reset} = 1;
1265	} else {
1266	$self->fix_auto_apply;	1436	$self->fix_auto_apply;
1267	$self->decay_objects;
1268	$self->update_buttons;	1437	$self->update_buttons;
		1438	Coro::cede;
1269	$self->set_darkness_map;	1439	$self->set_darkness_map;
1270	$self->difficulty ($self->estimate_difficulty)	1440	$self->difficulty ($self->estimate_difficulty)
1271	unless $self->difficulty;	1441	unless $self->difficulty;
		1442	Coro::cede;
1272	$self->activate;	1443	$self->activate;
1273	}	1444	}
1274		1445
		1446	$self->post_load;
		1447
1275	$self->in_memory (cf::MAP_IN_MEMORY);	1448	$self->in_memory (cf::MAP_IN_MEMORY);
1276	}	1449	}
1277		1450
1278	sub load_map_sync {	1451	sub customise_for {
		1452	my ($self, $ob) = @_;
		1453
		1454	return find "~" . $ob->name . "/" . $self->{path}
		1455	if $self->per_player;
		1456
		1457	$self
		1458	}
		1459
		1460	# find and load all maps in the 3x3 area around a map
		1461	sub load_diag {
		1462	my ($map) = @_;
		1463
		1464	my @diag; # diagonal neighbours
		1465
		1466	for (0 .. 3) {
		1467	my $neigh = $map->tile_path ($_)
		1468	or next;
		1469	$neigh = find $neigh, $map
		1470	or next;
		1471	$neigh->load;
		1472
		1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1475	}
		1476
		1477	for (@diag) {
		1478	my $neigh = find @$_
		1479	or next;
		1480	$neigh->load;
		1481	}
		1482	}
		1483
		1484	sub find_sync {
1279	my ($path, $origin) = @_;	1485	my ($path, $origin) = @_;
1280		1486
1281	#warn "load_map_sync<$path, $origin>\n";#d#	1487	cf::sync_job { find $path, $origin }
		1488	}
1282		1489
1283	cf::sync_job {	1490	sub do_load_sync {
1284	my $map = cf::map::find_map $path, $origin	1491	my ($map) = @_;
1285	or return;	1492
		1493	cf::sync_job { $map->load };
		1494	}
		1495
		1496	our %MAP_PREFETCH;
		1497	our $MAP_PREFETCHER = undef;
		1498
		1499	sub find_async {
		1500	my ($path, $origin) = @_;
		1501
		1502	$path = normalise $path, $origin && $origin->{path};
		1503
		1504	if (my $map = $cf::MAP{$path}) {
		1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1506	}
		1507
		1508	undef $MAP_PREFETCH{$path};
		1509	$MAP_PREFETCHER ||= cf::async {
		1510	while (%MAP_PREFETCH) {
		1511	for my $path (keys %MAP_PREFETCH) {
		1512	my $map = find $path
		1513	or next;
1286	$map->load;	1514	$map->load;
1287	$map	1515
		1516	delete $MAP_PREFETCH{$path};
		1517	}
		1518	}
		1519	undef $MAP_PREFETCHER;
1288	}	1520	};
		1521	$MAP_PREFETCHER->prio (6);
		1522
		1523	()
1289	}	1524	}
1290		1525
1291	sub save {	1526	sub save {
1292	my ($self) = @_;	1527	my ($self) = @_;
1293		1528
		1529	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1530
1294	$self->{last_save} = $cf::RUNTIME;	1531	$self->{last_save} = $cf::RUNTIME;
1295		1532
1296	return unless $self->dirty;	1533	return unless $self->dirty;
1297		1534
1298	my $save = $self->{path}->save_path; utf8::encode $save;	1535	my $save = $self->save_path; utf8::encode $save;
1299	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1536	my $uniq = $self->uniq_path; utf8::encode $uniq;
1300		1537
1301	$self->{load_path} = $save;	1538	$self->{load_path} = $save;
1302		1539
1303	return if $self->{deny_save};	1540	return if $self->{deny_save};
1304		1541
		1542	local $self->{last_access} = $self->last_access;#d#
		1543
		1544	cf::async {
		1545	$_->contr->save for $self->players;
		1546	};
		1547
1305	if ($uniq) {	1548	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1551	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1552	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1553	}
1311	}	1554	}
1312		1555
1313	sub swap_out {	1556	sub swap_out {
1314	my ($self) = @_;	1557	my ($self) = @_;
		1558
		1559	# save first because save cedes
		1560	$self->save;
		1561
		1562	my $lock = cf::lock_acquire "map_data:" . $self->path;
1315		1563
1316	return if $self->players;	1564	return if $self->players;
1317	return if $self->in_memory != cf::MAP_IN_MEMORY;	1565	return if $self->in_memory != cf::MAP_IN_MEMORY;
1318	return if $self->{deny_save};	1566	return if $self->{deny_save};
1319		1567
1320	$self->save;
1321	$self->clear;	1568	$self->clear;
1322	$self->in_memory (cf::MAP_SWAPPED);	1569	$self->in_memory (cf::MAP_SWAPPED);
1323	}	1570	}
1324		1571
1325	sub reset_at {	1572	sub reset_at {
1326	my ($self) = @_;	1573	my ($self) = @_;
1327		1574
1328	# TODO: safety, remove and allow resettable per-player maps	1575	# TODO: safety, remove and allow resettable per-player maps
1329	return 1e99 if $self->{path}{user_rel};	1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1330	return 1e99 if $self->{deny_reset};	1577	return 1e99 if $self->{deny_reset};
1331		1578
1332	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1333	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1334		1581
…		…
1339	my ($self) = @_;	1586	my ($self) = @_;
1340		1587
1341	$self->reset_at <= $cf::RUNTIME	1588	$self->reset_at <= $cf::RUNTIME
1342	}	1589	}
1343		1590
1344	sub unlink_save {
1345	my ($self) = @_;
1346
1347	utf8::encode (my $save = $self->{path}->save_path);
1348	aioreq_pri 3; IO::AIO::aio_unlink $save;
1349	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1350	}
1351
1352	sub rename {
1353	my ($self, $new_path) = @_;
1354
1355	$self->unlink_save;
1356
1357	delete $cf::MAP{$self->path};
1358	$self->{path} = new cf::path $new_path;
1359	$self->path ($self->{path}->as_string);
1360	$cf::MAP{$self->path} = $self;
1361
1362	$self->save;
1363	}
1364
1365	sub reset {	1591	sub reset {
1366	my ($self) = @_;	1592	my ($self) = @_;
1367		1593
		1594	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1595
1368	return if $self->players;	1596	return if $self->players;
1369	return if $self->{path}{user_rel};#d#	1597	return if $self->isa ("ext::map_per_player");#d#
1370		1598
1371	warn "resetting map ", $self->path;#d#	1599	warn "resetting map ", $self->path;#d#
1372		1600
1373	delete $cf::MAP{$self->path};	1601	delete $cf::MAP{$self->path};
		1602
		1603	$self->in_memory (cf::MAP_SWAPPED);
		1604	$self->clear;
1374		1605
1375	$_->clear_links_to ($self) for values %cf::MAP;	1606	$_->clear_links_to ($self) for values %cf::MAP;
1376		1607
1377	$self->unlink_save;	1608	$self->unlink_save;
1378	$self->destroy;	1609	$self->destroy;
…		…
1381	my $nuke_counter = "aaaa";	1612	my $nuke_counter = "aaaa";
1382		1613
1383	sub nuke {	1614	sub nuke {
1384	my ($self) = @_;	1615	my ($self) = @_;
1385		1616
		1617	delete $cf::MAP{$self->path};
		1618
		1619	$self->unlink_save;
		1620
		1621	bless $self, "cf::map";
		1622	delete $self->{deny_reset};
1386	$self->{deny_save} = 1;	1623	$self->{deny_save} = 1;
1387	$self->reset_timeout (1);	1624	$self->reset_timeout (1);
1388	$self->rename ("{nuke}/" . ($nuke_counter++));	1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1626
		1627	$cf::MAP{$self->path} = $self;
		1628
1389	$self->reset; # polite request, might not happen	1629	$self->reset; # polite request, might not happen
1390	}	1630	}
1391		1631
1392	sub customise_for {	1632	=item cf::map::unique_maps
1393	my ($map, $ob) = @_;
1394		1633
1395	if ($map->per_player) {	1634	Returns an arrayref of paths of all shared maps that have
1396	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1635	instantiated unique items. May block.
1397	}
1398		1636
1399	$map	1637	=cut
1400	}
1401		1638
1402	sub emergency_save {	1639	sub unique_maps() {
1403	local $cf::FREEZE = 1;	1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1641	or return;
1404		1642
1405	warn "enter emergency map save\n";	1643	my @paths;
1406		1644
1407	cf::sync_job {	1645	for (@$files) {
1408	warn "begin emergency map save\n";	1646	utf8::decode $_;
1409	$_->save for values %cf::MAP;	1647	next if /\.pst$/;
		1648	next unless /^$PATH_SEP/o;
		1649
		1650	push @paths, cf::map::normalise $_;
1410	};	1651	}
1411		1652
1412	warn "end emergency map save\n";	1653	\@paths
1413	}	1654	}
1414		1655
1415	package cf;	1656	package cf;
1416		1657
1417	=back	1658	=back
1418		1659
		1660	=head3 cf::object
		1661
		1662	=cut
		1663
		1664	package cf::object;
		1665
		1666	=over 4
		1667
		1668	=item $ob->inv_recursive
		1669
		1670	Returns the inventory of the object _and_ their inventories, recursively.
		1671
		1672	=cut
		1673
		1674	sub inv_recursive_;
		1675	sub inv_recursive_ {
		1676	map { $_, inv_recursive_ $_->inv } @_
		1677	}
		1678
		1679	sub inv_recursive {
		1680	inv_recursive_ inv $_[0]
		1681	}
		1682
		1683	package cf;
		1684
		1685	=back
1419		1686
1420	=head3 cf::object::player	1687	=head3 cf::object::player
1421		1688
1422	=over 4	1689	=over 4
1423		1690
…		…
1463		1730
1464	=item $player_object->enter_link	1731	=item $player_object->enter_link
1465		1732
1466	Freezes the player and moves him/her to a special map (C<{link}>).	1733	Freezes the player and moves him/her to a special map (C<{link}>).
1467		1734
1468	The player should be reaosnably safe there for short amounts of time. You	1735	The player should be reasonably safe there for short amounts of time. You
1469	I<MUST> call C<leave_link> as soon as possible, though.	1736	I<MUST> call C<leave_link> as soon as possible, though.
1470		1737
		1738	Will never block.
		1739
1471	=item $player_object->leave_link ($map, $x, $y)	1740	=item $player_object->leave_link ($map, $x, $y)
1472		1741
1473	Moves the player out of the specila link map onto the given map. If the	1742	Moves the player out of the special C<{link}> map onto the specified
1474	map is not valid (or omitted), the player will be moved back to the	1743	map. If the map is not valid (or omitted), the player will be moved back
1475	location he/she was before the call to C<enter_link>, or, if that fails,	1744	to the location he/she was before the call to C<enter_link>, or, if that
1476	to the emergency map position.	1745	fails, to the emergency map position.
1477		1746
1478	Might block.	1747	Might block.
1479		1748
1480	=cut	1749	=cut
		1750
		1751	sub link_map {
		1752	unless ($LINK_MAP) {
		1753	$LINK_MAP = cf::map::find "{link}"
		1754	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1755	$LINK_MAP->load;
		1756	}
		1757
		1758	$LINK_MAP
		1759	}
1481		1760
1482	sub cf::object::player::enter_link {	1761	sub cf::object::player::enter_link {
1483	my ($self) = @_;	1762	my ($self) = @_;
1484		1763
1485	$self->deactivate_recursive;	1764	$self->deactivate_recursive;
1486		1765
1487	return if $self->map == $LINK_MAP;	1766	return if UNIVERSAL::isa $self->map, "ext::map_link";
1488		1767
1489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1490	if $self->map;	1769	if $self->map;
1491		1770
1492	$self->enter_map ($LINK_MAP, 20, 20);	1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1493	}	1772	}
1494		1773
1495	sub cf::object::player::leave_link {	1774	sub cf::object::player::leave_link {
1496	my ($self, $map, $x, $y) = @_;	1775	my ($self, $map, $x, $y) = @_;
1497		1776
1498	my $link_pos = delete $self->{_link_pos};	1777	my $link_pos = delete $self->{_link_pos};
1499		1778
1500	unless ($map) {	1779	unless ($map) {
1501	# restore original map position	1780	# restore original map position
1502	($map, $x, $y) = @{ $link_pos || [] };	1781	($map, $x, $y) = @{ $link_pos || [] };
1503	$map = cf::map::find_map $map;	1782	$map = cf::map::find $map;
1504		1783
1505	unless ($map) {	1784	unless ($map) {
1506	($map, $x, $y) = @$EMERGENCY_POSITION;	1785	($map, $x, $y) = @$EMERGENCY_POSITION;
1507	$map = cf::map::find_map $map	1786	$map = cf::map::find $map
1508	or die "FATAL: cannot load emergency map\n";	1787	or die "FATAL: cannot load emergency map\n";
1509	}	1788	}
1510	}	1789	}
1511		1790
1512	($x, $y) = (-1, -1)	1791	($x, $y) = (-1, -1)
…		…
1515	# use -1 or undef as default coordinates, not 0, 0	1794	# use -1 or undef as default coordinates, not 0, 0
1516	($x, $y) = ($map->enter_x, $map->enter_y)	1795	($x, $y) = ($map->enter_x, $map->enter_y)
1517	if $x <=0 && $y <= 0;	1796	if $x <=0 && $y <= 0;
1518		1797
1519	$map->load;	1798	$map->load;
		1799	$map->load_diag;
1520		1800
		1801	return unless $self->contr->active;
1521	$self->activate_recursive;	1802	$self->activate_recursive;
1522	$self->enter_map ($map, $x, $y);	1803	$self->enter_map ($map, $x, $y);
1523	}	1804	}
1524		1805
1525	cf::player->attach (	1806	cf::player->attach (
…		…
1538		1819
1539	# try to abort aborted map switching on player login :)	1820	# try to abort aborted map switching on player login :)
1540	# should happen only on crashes	1821	# should happen only on crashes
1541	if ($pl->ob->{_link_pos}) {	1822	if ($pl->ob->{_link_pos}) {
1542	$pl->ob->enter_link;	1823	$pl->ob->enter_link;
1543	Coro::async {	1824	(async {
1544	# we need this sleep as the login has a concurrent enter_exit running	1825	# we need this sleep as the login has a concurrent enter_exit running
1545	# and this sleep increases chances of the player not ending up in scorn	1826	# and this sleep increases chances of the player not ending up in scorn
		1827	$pl->ob->reply (undef,
		1828	"There was an internal problem at your last logout, "
		1829	. "the server will try to bring you to your intended destination in a second.",
		1830	cf::NDI_RED);
1546	Coro::Timer::sleep 1;	1831	Coro::Timer::sleep 1;
1547	$pl->ob->leave_link;	1832	$pl->ob->leave_link;
1548	};	1833	})->prio (2);
1549	}	1834	}
1550	},	1835	},
1551	);	1836	);
1552		1837
1553	=item $player_object->goto_map ($path, $x, $y)	1838	=item $player_object->goto ($path, $x, $y)
1554		1839
1555	=cut	1840	=cut
1556		1841
1557	sub cf::object::player::goto_map {	1842	sub cf::object::player::goto {
1558	my ($self, $path, $x, $y) = @_;	1843	my ($self, $path, $x, $y) = @_;
1559		1844
1560	$self->enter_link;	1845	$self->enter_link;
1561		1846
1562	(Coro::async {	1847	(async {
1563	$path = new cf::path $path;	1848	my $map = eval {
1564
1565	my $map = cf::map::find_map $path->as_string;	1849	my $map = cf::map::find $path;
1566	$map = $map->customise_for ($self) if $map;	1850	$map = $map->customise_for ($self) if $map;
1567		1851	$map
1568	# warn "entering ", $map->path, " at ($x, $y)\n"	1852	} or
1569	# if $map;
1570
1571	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1572		1854
1573	$self->leave_link ($map, $x, $y);	1855	$self->leave_link ($map, $x, $y);
1574	})->prio (1);	1856	})->prio (1);
1575	}	1857	}
1576		1858
…		…
1580		1862
1581	sub parse_random_map_params {	1863	sub parse_random_map_params {
1582	my ($spec) = @_;	1864	my ($spec) = @_;
1583		1865
1584	my $rmp = { # defaults	1866	my $rmp = { # defaults
1585	xsize => 10,	1867	xsize => (cf::rndm 15, 40),
1586	ysize => 10,	1868	ysize => (cf::rndm 15, 40),
		1869	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1870	#layout => string,
1587	};	1871	};
1588		1872
1589	for (split /\n/, $spec) {	1873	for (split /\n/, $spec) {
1590	my ($k, $v) = split /\s+/, $_, 2;	1874	my ($k, $v) = split /\s+/, $_, 2;
1591		1875
…		…
1595	$rmp	1879	$rmp
1596	}	1880	}
1597		1881
1598	sub prepare_random_map {	1882	sub prepare_random_map {
1599	my ($exit) = @_;	1883	my ($exit) = @_;
		1884
		1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1600		1886
1601	# all this does is basically replace the /! path by	1887	# all this does is basically replace the /! path by
1602	# a new random map path (?random/...) with a seed	1888	# a new random map path (?random/...) with a seed
1603	# that depends on the exit object	1889	# that depends on the exit object
1604		1890
1605	my $rmp = parse_random_map_params $exit->msg;	1891	my $rmp = parse_random_map_params $exit->msg;
1606		1892
1607	if ($exit->map) {	1893	if ($exit->map) {
1608	$rmp->{region} = $exit->map->region_name;	1894	$rmp->{region} = $exit->region->name;
1609	$rmp->{origin_map} = $exit->map->path;	1895	$rmp->{origin_map} = $exit->map->path;
1610	$rmp->{origin_x} = $exit->x;	1896	$rmp->{origin_x} = $exit->x;
1611	$rmp->{origin_y} = $exit->y;	1897	$rmp->{origin_y} = $exit->y;
1612	}	1898	}
1613		1899
1614	$rmp->{random_seed} ||= $exit->random_seed;	1900	$rmp->{random_seed} ||= $exit->random_seed;
1615		1901
1616	my $data = cf::to_json $rmp;	1902	my $data = cf::to_json $rmp;
1617	my $md5 = Digest::MD5::md5_hex $data;	1903	my $md5 = Digest::MD5::md5_hex $data;
		1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1618		1905
1619	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1620	aio_write $fh, 0, (length $data), $data, 0;	1907	aio_write $fh, 0, (length $data), $data, 0;
		1908	undef $fh;
		1909	aio_rename "$meta~", $meta;
1621		1910
1622	$exit->slaying ("?random/$md5");	1911	$exit->slaying ("?random/$md5");
1623	$exit->msg (undef);	1912	$exit->msg (undef);
1624	}	1913	}
1625	}	1914	}
…		…
1627	sub cf::object::player::enter_exit {	1916	sub cf::object::player::enter_exit {
1628	my ($self, $exit) = @_;	1917	my ($self, $exit) = @_;
1629		1918
1630	return unless $self->type == cf::PLAYER;	1919	return unless $self->type == cf::PLAYER;
1631		1920
		1921	if ($exit->slaying eq "/!") {
		1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1923	cf::sync_job { prepare_random_map $exit };
		1924	}
		1925
		1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1927	my $hp = $exit->stats->hp;
		1928	my $sp = $exit->stats->sp;
		1929
1632	$self->enter_link;	1930	$self->enter_link;
1633		1931
1634	(Coro::async {	1932	(async {
		1933	$self->deactivate_recursive; # just to be sure
1635	unless (eval {	1934	unless (eval {
1636		1935	$self->goto ($slaying, $hp, $sp);
1637	prepare_random_map $exit
1638	if $exit->slaying eq "/!";
1639
1640	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1641	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1642		1936
1643	1;	1937	1;
1644	}) {	1938	}) {
1645	$self->message ("Something went wrong deep within the crossfire server. "	1939	$self->message ("Something went wrong deep within the crossfire server. "
1646	. "I'll try to bring you back to the map you were before. "	1940	. "I'll try to bring you back to the map you were before. "
1647	. "Please report this to the dungeon master",	1941	. "Please report this to the dungeon master!",
1648	cf::NDI_UNIQUE | cf::NDI_RED);	1942	cf::NDI_UNIQUE | cf::NDI_RED);
1649		1943
1650	warn "ERROR in enter_exit: $@";	1944	warn "ERROR in enter_exit: $@";
1651	$self->leave_link;	1945	$self->leave_link;
1652	}	1946	}
…		…
1703	on_reply => sub {	1997	on_reply => sub {
1704	my ($ns, $msg) = @_;	1998	my ($ns, $msg) = @_;
1705		1999
1706	# this weird shuffling is so that direct followup queries	2000	# this weird shuffling is so that direct followup queries
1707	# get handled first	2001	# get handled first
1708	my $queue = delete $ns->{query_queue};	2002	my $queue = delete $ns->{query_queue}
		2003	or return; # be conservative, not sure how that can happen, but we saw a crash here
1709		2004
1710	(shift @$queue)->[1]->($msg);	2005	(shift @$queue)->[1]->($msg);
1711		2006
1712	push @{ $ns->{query_queue} }, @$queue;	2007	push @{ $ns->{query_queue} }, @$queue;
1713		2008
…		…
1719	}	2014	}
1720	}	2015	}
1721	},	2016	},
1722	);	2017	);
1723		2018
1724	=item $client->coro (\&cb)	2019	=item $client->async (\&cb)
1725		2020
1726	Create a new coroutine, running the specified callback. The coroutine will	2021	Create a new coroutine, running the specified callback. The coroutine will
1727	be automatically cancelled when the client gets destroyed (e.g. on logout,	2022	be automatically cancelled when the client gets destroyed (e.g. on logout,
1728	or loss of connection).	2023	or loss of connection).
1729		2024
1730	=cut	2025	=cut
1731		2026
1732	sub cf::client::coro {	2027	sub cf::client::async {
1733	my ($self, $cb) = @_;	2028	my ($self, $cb) = @_;
1734		2029
1735	my $coro; $coro = async {	2030	my $coro = &Coro::async ($cb);
1736	eval {
1737	$cb->();
1738	};
1739	warn $@ if $@;
1740	};
1741		2031
1742	$coro->on_destroy (sub {	2032	$coro->on_destroy (sub {
1743	delete $self->{_coro}{$coro+0};	2033	delete $self->{_coro}{$coro+0};
1744	});	2034	});
1745		2035
…		…
1939	sub db_sync() {	2229	sub db_sync() {
1940	db_save if $dirty;	2230	db_save if $dirty;
1941	undef $dirty;	2231	undef $dirty;
1942	}	2232	}
1943		2233
1944	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2234	my $idle = Event->idle (
1945	db_sync;	2235	reentrant => 0,
		2236	min => 10,
		2237	max => 20,
		2238	repeat => 0,
		2239	data => WF_AUTOCANCEL,
		2240	cb => \&db_sync,
1946	});	2241	);
1947		2242
1948	sub db_dirty() {	2243	sub db_dirty() {
1949	$dirty = 1;	2244	$dirty = 1;
1950	$idle->start;	2245	$idle->start;
1951	}	2246	}
…		…
1980	open my $fh, "<:utf8", cf::confdir . "/config"	2275	open my $fh, "<:utf8", cf::confdir . "/config"
1981	or return;	2276	or return;
1982		2277
1983	local $/;	2278	local $/;
1984	*CFG = YAML::Syck::Load <$fh>;	2279	*CFG = YAML::Syck::Load <$fh>;
		2280
		2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2282
		2283	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2285
		2286	if (exists $CFG{mlockall}) {
		2287	eval {
		2288	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2289	and die "WARNING: m(un)lockall failed: $!\n";
		2290	};
		2291	warn $@ if $@;
		2292	}
1985	}	2293	}
1986		2294
1987	sub main {	2295	sub main {
1988	# we must not ever block the main coroutine	2296	# we must not ever block the main coroutine
1989	local $Coro::idle = sub {	2297	local $Coro::idle = sub {
1990	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1991	(Coro::unblock_sub {	2299	(async {
1992	Event::one_event;	2300	Event::one_event;
1993	})->();	2301	})->prio (Coro::PRIO_MAX);
1994	};	2302	};
1995		2303
1996	cfg_load;	2304	cfg_load;
1997	db_load;	2305	db_load;
1998	load_extensions;	2306	load_extensions;
		2307
		2308	$TICK_WATCHER->start;
1999	Event::loop;	2309	Event::loop;
2000	}	2310	}
2001		2311
2002	#############################################################################	2312	#############################################################################
2003	# initialisation	2313	# initialisation and cleanup
		2314
		2315	# install some emergency cleanup handlers
		2316	BEGIN {
		2317	for my $signal (qw(INT HUP TERM)) {
		2318	Event->signal (
		2319	reentrant => 0,
		2320	data => WF_AUTOCANCEL,
		2321	signal => $signal,
		2322	prio => 0,
		2323	cb => sub {
		2324	cf::cleanup "SIG$signal";
		2325	},
		2326	);
		2327	}
		2328	}
		2329
		2330	sub emergency_save() {
		2331	my $freeze_guard = cf::freeze_mainloop;
		2332
		2333	warn "enter emergency perl save\n";
		2334
		2335	cf::sync_job {
		2336	# use a peculiar iteration method to avoid tripping on perl
		2337	# refcount bugs in for. also avoids problems with players
		2338	# and maps saved/destroyed asynchronously.
		2339	warn "begin emergency player save\n";
		2340	for my $login (keys %cf::PLAYER) {
		2341	my $pl = $cf::PLAYER{$login} or next;
		2342	$pl->valid or next;
		2343	$pl->save;
		2344	}
		2345	warn "end emergency player save\n";
		2346
		2347	warn "begin emergency map save\n";
		2348	for my $path (keys %cf::MAP) {
		2349	my $map = $cf::MAP{$path} or next;
		2350	$map->valid or next;
		2351	$map->save;
		2352	}
		2353	warn "end emergency map save\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
2004		2358
2005	sub reload() {	2359	sub reload() {
2006	# can/must only be called in main	2360	# can/must only be called in main
2007	if ($Coro::current != $Coro::main) {	2361	if ($Coro::current != $Coro::main) {
2008	warn "can only reload from main coroutine\n";	2362	warn "can only reload from main coroutine";
2009	return;	2363	return;
2010	}	2364	}
2011		2365
2012	warn "reloading...";	2366	warn "reloading...";
2013		2367
2014	local $FREEZE = 1;	2368	warn "cancelling server ticker";
		2369	$TICK_WATCHER->cancel;
		2370
2015	cf::emergency_save;	2371	cf::emergency_save;
2016		2372
2017	eval {	2373	eval {
2018	# if anything goes wrong in here, we should simply crash as we already saved	2374	# if anything goes wrong in here, we should simply crash as we already saved
2019		2375
2020	# cancel all watchers	2376	warn "syncing database to disk";
		2377	cf::db_sync;
		2378
		2379	warn "cancelling all WF_AUTOCANCEL watchers";
2021	for (Event::all_watchers) {	2380	for (Event::all_watchers) {
2022	$_->cancel if $_->data & WF_AUTOCANCEL;	2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2023	}	2382	}
2024		2383
		2384	warn "flushing outstanding aio requests";
		2385	for (;;) {
		2386	IO::AIO::flush;
		2387	Coro::cede;
		2388	last unless IO::AIO::nreqs;
		2389	warn "iterate...";
		2390	}
		2391
2025	# cancel all extension coros	2392	warn "cancelling all extension coros";
2026	$_->cancel for values %EXT_CORO;	2393	$_->cancel for values %EXT_CORO;
2027	%EXT_CORO = ();	2394	%EXT_CORO = ();
2028		2395
2029	# unload all extensions	2396	warn "removing commands";
2030	for (@exts) {	2397	%COMMAND = ();
		2398
		2399	warn "removing ext commands";
		2400	%EXTCMD = ();
		2401
		2402	warn "unloading/nuking all extensions";
		2403	for my $pkg (@EXTS) {
2031	warn "unloading <$_>";	2404	warn "... unloading $pkg";
2032	unload_extension $_;	2405
		2406	if (my $cb = $pkg->can ("unload")) {
		2407	eval {
		2408	$cb->($pkg);
		2409	1
		2410	} or warn "$pkg unloaded, but with errors: $@";
2033	}	2411	}
2034		2412
		2413	warn "... nuking $pkg";
		2414	Symbol::delete_package $pkg;
		2415	}
		2416
2035	# unload all modules loaded from $LIBDIR	2417	warn "unloading all perl modules loaded from $LIBDIR";
2036	while (my ($k, $v) = each %INC) {	2418	while (my ($k, $v) = each %INC) {
2037	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2038		2420
2039	warn "removing <$k>";	2421	warn "... unloading $k";
2040	delete $INC{$k};	2422	delete $INC{$k};
2041		2423
2042	$k =~ s/\.pm$//;	2424	$k =~ s/\.pm$//;
2043	$k =~ s/\//::/g;	2425	$k =~ s/\//::/g;
2044		2426
…		…
2047	}	2429	}
2048		2430
2049	Symbol::delete_package $k;	2431	Symbol::delete_package $k;
2050	}	2432	}
2051		2433
2052	# sync database to disk
2053	cf::db_sync;
2054	IO::AIO::flush;
2055
2056	# get rid of safe::, as good as possible	2434	warn "getting rid of safe::, as good as possible";
2057	Symbol::delete_package "safe::$_"	2435	Symbol::delete_package "safe::$_"
2058	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2059		2437
2060	# remove register_script_function callbacks
2061	# TODO
2062
2063	# unload cf.pm "a bit"	2438	warn "unloading cf.pm \"a bit\"";
2064	delete $INC{"cf.pm"};	2439	delete $INC{"cf.pm"};
2065		2440
2066	# don't, removes xs symbols, too,	2441	# don't, removes xs symbols, too,
2067	# and global variables created in xs	2442	# and global variables created in xs
2068	#Symbol::delete_package __PACKAGE__;	2443	#Symbol::delete_package __PACKAGE__;
2069		2444
2070	# reload cf.pm	2445	warn "unload completed, starting to reload now";
		2446
2071	warn "reloading cf.pm";	2447	warn "reloading cf.pm";
2072	require cf;	2448	require cf;
2073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2074		2450
2075	# load config and database again	2451	warn "loading config and database again";
2076	cf::cfg_load;	2452	cf::cfg_load;
2077	cf::db_load;	2453	cf::db_load;
2078		2454
2079	# load extensions
2080	warn "load extensions";	2455	warn "loading extensions";
2081	cf::load_extensions;	2456	cf::load_extensions;
2082		2457
2083	# reattach attachments to objects	2458	warn "reattaching attachments to objects/players";
2084	warn "reattach";
2085	_global_reattach;	2459	_global_reattach;
		2460	warn "reattaching attachments to maps";
		2461	reattach $_ for values %MAP;
		2462
		2463	warn "restarting server ticker";
		2464
		2465	$TICK_WATCHER->start;
2086	};	2466	};
2087		2467
2088	if ($@) {	2468	if ($@) {
2089	warn $@;	2469	warn $@;
2090	warn "error while reloading, exiting.";	2470	warn "error while reloading, exiting.";
2091	exit 1;	2471	exit 1;
2092	}	2472	}
2093		2473
2094	warn "reloaded successfully";	2474	warn "reloaded";
2095	};	2475	};
2096		2476
2097	#############################################################################	2477	our $RELOAD_WATCHER; # used only during reload
2098
2099	unless ($LINK_MAP) {
2100	$LINK_MAP = cf::map::new;
2101
2102	$LINK_MAP->width (41);
2103	$LINK_MAP->height (41);
2104	$LINK_MAP->alloc;
2105	$LINK_MAP->path ("{link}");
2106	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2107	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2108
2109	# dirty hack because... archetypes are not yet loaded
2110	Event->timer (
2111	after => 2,
2112	cb => sub {
2113	$_[0]->w->cancel;
2114
2115	# provide some exits "home"
2116	my $exit = cf::object::new "exit";
2117
2118	$exit->slaying ($EMERGENCY_POSITION->[0]);
2119	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2120	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2121
2122	$LINK_MAP->insert ($exit->clone, 19, 19);
2123	$LINK_MAP->insert ($exit->clone, 19, 20);
2124	$LINK_MAP->insert ($exit->clone, 19, 21);
2125	$LINK_MAP->insert ($exit->clone, 20, 19);
2126	$LINK_MAP->insert ($exit->clone, 20, 21);
2127	$LINK_MAP->insert ($exit->clone, 21, 19);
2128	$LINK_MAP->insert ($exit->clone, 21, 20);
2129	$LINK_MAP->insert ($exit->clone, 21, 21);
2130
2131	$exit->destroy;
2132	});
2133
2134	$LINK_MAP->{deny_save} = 1;
2135	$LINK_MAP->{deny_reset} = 1;
2136
2137	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2138	}
2139
2140	register "<global>", __PACKAGE__;
2141		2478
2142	register_command "reload" => sub {	2479	register_command "reload" => sub {
2143	my ($who, $arg) = @_;	2480	my ($who, $arg) = @_;
2144		2481
2145	if ($who->flag (FLAG_WIZ)) {	2482	if ($who->flag (FLAG_WIZ)) {
2146	$who->message ("start of reload.");	2483	$who->message ("reloading server.");
		2484
		2485	# doing reload synchronously and two reloads happen back-to-back,
		2486	# coro crashes during coro_state_free->destroy here.
		2487
		2488	$RELOAD_WATCHER ||= Event->timer (
		2489	reentrant => 0,
		2490	after => 0,
		2491	data => WF_AUTOCANCEL,
		2492	cb => sub {
2147	reload;	2493	reload;
2148	$who->message ("end of reload.");	2494	undef $RELOAD_WATCHER;
		2495	},
		2496	);
2149	}	2497	}
2150	};	2498	};
2151		2499
2152	unshift @INC, $LIBDIR;	2500	unshift @INC, $LIBDIR;
		2501
		2502	my $bug_warning = 0;
2153		2503
2154	$TICK_WATCHER = Event->timer (	2504	$TICK_WATCHER = Event->timer (
2155	reentrant => 0,	2505	reentrant => 0,
		2506	parked => 1,
2156	prio => 0,	2507	prio => 0,
2157	at => $NEXT_TICK || $TICK,	2508	at => $NEXT_TICK || $TICK,
2158	data => WF_AUTOCANCEL,	2509	data => WF_AUTOCANCEL,
2159	cb => sub {	2510	cb => sub {
2160	unless ($FREEZE) {	2511	if ($Coro::current != $Coro::main) {
		2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2513	unless ++$bug_warning > 10;
		2514	return;
		2515	}
		2516
		2517	$NOW = Event::time;
		2518
2161	cf::server_tick; # one server iteration	2519	cf::server_tick; # one server iteration
2162	$RUNTIME += $TICK;	2520	$RUNTIME += $TICK;
2163	}
2164
2165	$NEXT_TICK += $TICK;	2521	$NEXT_TICK += $TICK;
		2522
		2523	$WAIT_FOR_TICK->broadcast;
		2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2525
		2526	Event::sweep;
		2527	Coro::cede_notself;
		2528
		2529	# my $AFTER = Event::time;
		2530	# warn $AFTER - $NOW;#d#
2166		2531
2167	# if we are delayed by four ticks or more, skip them all	2532	# if we are delayed by four ticks or more, skip them all
2168	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2169		2534
2170	$TICK_WATCHER->at ($NEXT_TICK);	2535	$TICK_WATCHER->at ($NEXT_TICK);
2171	$TICK_WATCHER->start;	2536	$TICK_WATCHER->start;
2172	},	2537	},
2173	);	2538	);
2174		2539
2175	IO::AIO::max_poll_time $TICK * 0.2;	2540	IO::AIO::max_poll_time $TICK * 0.1;
2176		2541
2177	Event->io (	2542	undef $Coro::AIO::WATCHER;
		2543	$AIO_POLL_WATCHER = Event->io (
		2544	reentrant => 0,
2178	fd => IO::AIO::poll_fileno,	2545	fd => IO::AIO::poll_fileno,
2179	poll => 'r',	2546	poll => 'r',
2180	prio => 5,	2547	prio => 6,
2181	data => WF_AUTOCANCEL,	2548	data => WF_AUTOCANCEL,
2182	cb => \&IO::AIO::poll_cb,	2549	cb => \&IO::AIO::poll_cb,
2183	);	2550	);
2184		2551
2185	Event->timer (	2552	$WRITE_RUNTIME_WATCHER = Event->timer (
		2553	reentrant => 0,
2186	data => WF_AUTOCANCEL,	2554	data => WF_AUTOCANCEL,
2187	after => 0,	2555	after => 1,
2188	interval => 10,	2556	interval => 10,
2189	cb => sub {	2557	prio => 6, # keep it lowest so it acts like a watchdog
2190	(Coro::unblock_sub {	2558	cb => Coro::unblock_sub {
2191	write_runtime	2559	write_runtime
2192	or warn "ERROR: unable to write runtime file: $!";	2560	or warn "ERROR: unable to write runtime file: $!";
2193	})->();
2194	},	2561	},
2195	);	2562	);
2196		2563
2197	END { cf::emergency_save }	2564	END { cf::emergency_save }
2198		2565

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