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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.119 by root, Tue Jan 2 08:26:42 2007 UTC vs.
Revision 1.204 by root, Fri Feb 2 19:59:22 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;
		53	our $USE_FSYNC; # use fsync to write maps - default off
46		54
47	our %CFG;	55	our %CFG;
48		56
49	our $UPTIME; $UPTIME ||= time;	57	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	58	our $RUNTIME;
51		59
		60	our %PLAYER; # all users
52	our %MAP; # all maps	61	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	62	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	63	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	64
		65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		67
		68	# used to convert map paths into valid unix filenames by replacing / by ∕
		69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		70
58	binmode STDOUT;	71	binmode STDOUT;
59	binmode STDERR;	72	binmode STDERR;
60		73
61	# read virtual server time, if available	74	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	82	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	83	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	84	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	85	mkdir $RANDOM_MAPS;
73		86
74	# a special map that is always available	87	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		88
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	89	sub cf::map::normalise;
78		90
79	#############################################################################	91	#############################################################################
80		92
81	=head2 GLOBAL VARIABLES	93	=head2 GLOBAL VARIABLES
82		94
…		…
106		118
107	=item %cf::CFG	119	=item %cf::CFG
108		120
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	121	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	122	from wherever your confdir points to.
		123
		124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		125
		126	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		127	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		128	processing has been done. Call C<< ->wait >> on them to maximise the
		129	window of cpu time available, or simply to synchronise to the server tick.
111		130
112	=back	131	=back
113		132
114	=cut	133	=cut
115		134
…		…
119	utf8::encode $msg;	138	utf8::encode $msg;
120		139
121	$msg .= "\n"	140	$msg .= "\n"
122	unless $msg =~ /\n$/;	141	unless $msg =~ /\n$/;
123		142
124	LOG llevError, "cfperl: $msg";	143	LOG llevError, $msg;
125	};	144	};
126	}	145	}
127		146
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		166
148	$Event::DIED = sub {	167	$Event::DIED = sub {
149	warn "error in event callback: @_";	168	warn "error in event callback: @_";
150	};	169	};
151		170
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	171	=head2 UTILITY FUNCTIONS
157		172
158	=over 4	173	=over 4
159		174
		175	=item dumpval $ref
		176
160	=cut	177	=cut
		178
		179	sub dumpval {
		180	eval {
		181	local $SIG{__DIE__};
		182	my $d;
		183	if (1) {
		184	$d = new Data::Dumper([$_[0]], ["*var"]);
		185	$d->Terse(1);
		186	$d->Indent(2);
		187	$d->Quotekeys(0);
		188	$d->Useqq(1);
		189	#$d->Bless(...);
		190	$d->Seen($_[1]) if @_ > 1;
		191	$d = $d->Dump();
		192	}
		193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		194	$d
		195	} || "[unable to dump $_[0]: '$@']";
		196	}
161		197
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	198	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		199
164	=item $ref = cf::from_json $json	200	=item $ref = cf::from_json $json
165		201
…		…
180		216
181	sub to_json($) {	217	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	219	JSON::Syck::Dump $_[0]
184	}	220	}
		221
		222	=item cf::lock_wait $string
		223
		224	Wait until the given lock is available. See cf::lock_acquire.
		225
		226	=item my $lock = cf::lock_acquire $string
		227
		228	Wait until the given lock is available and then acquires it and returns
		229	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		230	for example when the coroutine gets canceled), the lock is automatically
		231	returned.
		232
		233	Lock names should begin with a unique identifier (for example, cf::map::find
		234	uses map_find and cf::map::load uses map_load).
		235
		236	=cut
		237
		238	our %LOCK;
		239
		240	sub lock_wait($) {
		241	my ($key) = @_;
		242
		243	# wait for lock, if any
		244	while ($LOCK{$key}) {
		245	push @{ $LOCK{$key} }, $Coro::current;
		246	Coro::schedule;
		247	}
		248	}
		249
		250	sub lock_acquire($) {
		251	my ($key) = @_;
		252
		253	# wait, to be sure we are not locked
		254	lock_wait $key;
		255
		256	$LOCK{$key} = [];
		257
		258	Coro::guard {
		259	# wake up all waiters, to be on the safe side
		260	$_->ready for @{ delete $LOCK{$key} };
		261	}
		262	}
		263
		264	sub freeze_mainloop {
		265	return unless $TICK_WATCHER->is_active;
		266
		267	my $guard = Coro::guard {
		268	$TICK_WATCHER->start;
		269	$WRITE_RUNTIME_WATCHER->start;
		270	};
		271	$WRITE_RUNTIME_WATCHER->stop;
		272	$TICK_WATCHER->stop;
		273	$guard
		274	}
		275
		276	=item cf::async { BLOCK }
		277
		278	Currently the same as Coro::async_pool, meaning you cannot use
		279	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		280	thing you are allowed to do is call C<prio> on it.
		281
		282	=cut
		283
		284	BEGIN { *async = \&Coro::async_pool }
185		285
186	=item cf::sync_job { BLOCK }	286	=item cf::sync_job { BLOCK }
187		287
188	The design of crossfire+ requires that the main coro ($Coro::main) is	288	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	289	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	303	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	304	# till the operation succeeds, freezing the server :/
205		305
206	# TODO: use suspend/resume instead	306	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	307	# (but this is cancel-safe)
208	local $FREEZE = 1;	308	my $freeze_guard = freeze_mainloop;
209		309
210	my $busy = 1;	310	my $busy = 1;
211	my @res;	311	my @res;
212		312
213	(Coro::async {	313	(async {
214	@res = eval { $job->() };	314	@res = eval { $job->() };
215	warn $@ if $@;	315	warn $@ if $@;
216	undef $busy;	316	undef $busy;
217	})->prio (Coro::PRIO_MAX);	317	})->prio (Coro::PRIO_MAX);
218		318
219	while ($busy) {	319	while ($busy) {
220	Coro::cede_notself;	320	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	321	}
223		322
224	wantarray ? @res : $res[0]	323	wantarray ? @res : $res[0]
225	} else {	324	} else {
226	# we are in another coroutine, how wonderful, everything just works	325	# we are in another coroutine, how wonderful, everything just works
227		326
228	$job->()	327	$job->()
229	}	328	}
230	}	329	}
231		330
232	=item $coro = cf::coro { BLOCK }	331	=item $coro = cf::async_ext { BLOCK }
233		332
234	Creates and returns a new coro. This coro is automcatially being canceled	333	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	334	extension calling this is being unloaded.
236		335
237	=cut	336	=cut
238		337
239	sub coro(&) {	338	sub async_ext(&) {
240	my $cb = shift;	339	my $cb = shift;
241		340
242	my $coro; $coro = async {	341	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		342
249	$coro->on_destroy (sub {	343	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	344	delete $EXT_CORO{$coro+0};
251	});	345	});
252	$EXT_CORO{$coro+0} = $coro;	346	$EXT_CORO{$coro+0} = $coro;
…		…
258	my $runtime = cf::localdir . "/runtime";	352	my $runtime = cf::localdir . "/runtime";
259		353
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	355	or return;
262		356
		357	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	358	# 10 is the runtime save interval, for a monotonic clock
		359	# 60 allows for the watchdog to kill the server.
		360
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	361	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	362	and return;
266		363
		364	# always fsync - this file is important
267	aio_fsync $fh	365	aio_fsync $fh
268	and return;	366	and return;
269		367
270	close $fh	368	close $fh
271	or return;	369	or return;
…		…
277	}	375	}
278		376
279	=back	377	=back
280		378
281	=cut	379	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402		380
403	#############################################################################	381	#############################################################################
404		382
405	=head2 ATTACHABLE OBJECTS	383	=head2 ATTACHABLE OBJECTS
406		384
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	510	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	511	our @CB_MAP = ();
534		512
535	my %attachment;	513	my %attachment;
536		514
		515	sub cf::attachable::thawer_merge {
		516	# simply override everything except _meta
		517	local $_[0]{_meta};
		518	%{$_[0]} = %{$_[1]};
		519	}
		520
537	sub _attach_cb($$$$) {	521	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	522	my ($registry, $event, $prio, $cb) = @_;
539		523
540	use sort 'stable';	524	use sort 'stable';
541		525
…		…
712	# object support	696	# object support
713		697
714	sub reattach {	698	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	699	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	700	my ($obj) = @_;
		701
		702	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		703
718	my $registry = $obj->registry;	704	my $registry = $obj->registry;
719		705
720	@$registry = ();	706	@$registry = ();
721		707
…		…
768	$filename, length $$rdata, scalar @$objs;	754	$filename, length $$rdata, scalar @$objs;
769		755
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	757	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh;	759	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	760	close $fh;
775		761
776	if (@$objs) {	762	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	765	my $data = Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	766	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh;	767	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	768	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	769	aio_rename "$filename.pst~", "$filename.pst";
784	}	770	}
785	} else {	771	} else {
786	aio_unlink "$filename.pst";	772	aio_unlink "$filename.pst";
…		…
792	}	778	}
793	} else {	779	} else {
794	aio_unlink $filename;	780	aio_unlink $filename;
795	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
796	}	782	}
		783
		784	#d##TODO# nuke non .map-files if exist
		785	if ($filename =~ s/\.map$//) {
		786	aio_unlink $filename;
		787	aio_unlink "$filename.pst";
		788	}
797	}	789	}
798	}	790	}
799		791
800	sub object_freezer_as_string {	792	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	793	my ($rdata, $objs) = @_;
…		…
807		799
808	sub object_thawer_load {	800	sub object_thawer_load {
809	my ($filename) = @_;	801	my ($filename) = @_;
810		802
811	my ($data, $av);	803	my ($data, $av);
		804
		805	#d#TODO remove .map if file does not exist
		806	aio_stat $filename and $filename =~ s/\.map$//;
812		807
813	(aio_load $filename, $data) >= 0	808	(aio_load $filename, $data) >= 0
814	or return;	809	or return;
815		810
816	unless (aio_stat "$filename.pst") {	811	unless (aio_stat "$filename.pst") {
…		…
853	=cut	848	=cut
854		849
855	sub register_extcmd {	850	sub register_extcmd {
856	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
857		852
858	my $caller = caller;
859	#warn "registering extcmd '$name' to '$caller'";
860
861	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
862	}	854	}
863		855
864	cf::player->attach (	856	cf::player->attach (
865	on_command => sub {	857	on_command => sub {
866	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
879		871
880	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
881		873
882	if (ref $msg) {	874	if (ref $msg) {
883	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
884	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
885	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
886	}	878	}
887	}	879	}
888	} else {	880	} else {
889	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
891		883
892	cf::override;	884	cf::override;
893	},	885	},
894	);	886	);
895		887
896	sub register {
897	my ($base, $pkg) = @_;
898
899	#TODO
900	}
901
902	sub load_extension {	888	sub load_extension {
903	my ($path) = @_;	889	my ($path) = @_;
904		890
905	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
906	my $base = $1;	892	my $base = $1;
907	my $pkg = $1;	893	my $pkg = $1;
908	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
909	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
910		896
911	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
912		898
913	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
914	or die "$path: $!";	900	or die "$path: $!";
915		901
916	my $source =	902	my $source =
917	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
918	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
919	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
920	. "\n};\n1";	906	. "\n};\n1";
921		907
922	eval $source	908	unless (eval $source) {
923	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
924	: "extension disabled.\n";	910	: "extension disabled.\n";
925		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
926	push @exts, $pkg;	912	warn $@;
927	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
928		914	exit 1;
929	# no strict 'refs';	915	}
930	# @{"$pkg\::ISA"} = ext::;	916	die $@;
931
932	register $base, $pkg;
933	}
934
935	sub unload_extension {
936	my ($pkg) = @_;
937
938	warn "removing extension $pkg\n";
939
940	# remove hooks
941	#TODO
942	# for my $idx (0 .. $#PLUGIN_EVENT) {
943	# delete $hook[$idx]{$pkg};
944	# }	917	}
945		918
946	# remove commands	919	push @EXTS, $pkg;
947	for my $name (keys %COMMAND) {
948	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
949
950	if (@cb) {
951	$COMMAND{$name} = \@cb;
952	} else {
953	delete $COMMAND{$name};
954	}
955	}
956
957	# remove extcmds
958	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
959	delete $EXTCMD{$name};
960	}
961
962	if (my $cb = $pkg->can ("unload")) {
963	eval {
964	$cb->($pkg);
965	1
966	} or warn "$pkg unloaded, but with errors: $@";
967	}
968
969	Symbol::delete_package $pkg;
970	}	920	}
971		921
972	sub load_extensions {	922	sub load_extensions {
973	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
974	next unless -r $ext;	924	next unless -r $ext;
…		…
978	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
979	}	929	}
980	}	930	}
981		931
982	#############################################################################	932	#############################################################################
983	# load/save/clean perl data associated with a map
984
985	*cf::mapsupport::on_clean = sub {
986	my ($map) = @_;
987
988	my $path = $map->tmpname;
989	defined $path or return;
990
991	unlink "$path.pst";
992	};
993
994	cf::map->attach (prio => -10000, package => cf::mapsupport::);
995
996	#############################################################################
997	# load/save perl data associated with player->ob objects
998
999	sub all_objects(@) {
1000	@_, map all_objects ($_->inv), @_
1001	}
1002
1003	# TODO: compatibility cruft, remove when no longer needed
1004	cf::player->attach (
1005	on_load => sub {
1006	my ($pl, $path) = @_;
1007
1008	for my $o (all_objects $pl->ob) {
1009	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1010	$o->set_ob_key_value ("_perl_data");
1011
1012	%$o = %{ Storable::thaw pack "H*", $value };
1013	}
1014	}
1015	},
1016	);
1017
1018	#############################################################################
1019		933
1020	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1021		935
1022	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1023		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1024	=head3 cf::player	944	=head3 cf::player
1025		945
1026	=over 4	946	=over 4
1027		947
1028	=item cf::player::exists $login	948	=item cf::player::find $login
1029		949
1030	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1031		951
1032	=cut	952	=cut
1033		953
1034	sub cf::player::exists($) {	954	sub playerdir($) {
1035	cf::player::find $_[0]	955	cf::localdir
1036	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	956	. "/"
		957	. cf::playerdir
		958	. "/"
		959	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		960	}
		961
		962	sub path($) {
		963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		964
		965	(playerdir $login) . "/$login.pl"
		966	}
		967
		968	sub find_active($) {
		969	$cf::PLAYER{$_[0]}
		970	and $cf::PLAYER{$_[0]}->active
		971	and $cf::PLAYER{$_[0]}
		972	}
		973
		974	sub exists($) {
		975	my ($login) = @_;
		976
		977	$cf::PLAYER{$login}
		978	or cf::sync_job { !aio_stat path $login }
		979	}
		980
		981	sub find($) {
		982	return $cf::PLAYER{$_[0]} || do {
		983	my $login = $_[0];
		984
		985	my $guard = cf::lock_acquire "user_find:$login";
		986
		987	$cf::PLAYER{$_[0]} || do {
		988	my $pl = load_pl path $login
		989	or return;
		990	$cf::PLAYER{$login} = $pl
		991	}
		992	}
		993	}
		994
		995	sub save($) {
		996	my ($pl) = @_;
		997
		998	return if $pl->{deny_save};
		999
		1000	my $path = path $pl;
		1001	my $guard = cf::lock_acquire "user_save:$path";
		1002
		1003	return if $pl->{deny_save};
		1004
		1005	aio_mkdir playerdir $pl, 0770;
		1006	$pl->{last_save} = $cf::RUNTIME;
		1007
		1008	$pl->save_pl ($path);
		1009	Coro::cede;
		1010	}
		1011
		1012	sub new($) {
		1013	my ($login) = @_;
		1014
		1015	my $self = create;
		1016
		1017	$self->ob->name ($login);
		1018	$self->{deny_save} = 1;
		1019
		1020	$cf::PLAYER{$login} = $self;
		1021
		1022	$self
		1023	}
		1024
		1025	=item $pl->quit_character
		1026
		1027	Nukes the player without looking back. If logged in, the connection will
		1028	be destroyed. May block for a long time.
		1029
		1030	=cut
		1031
		1032	sub quit_character {
		1033	my ($pl) = @_;
		1034
		1035	$pl->{deny_save} = 1;
		1036	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1037
		1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1039	$pl->deactivate;
		1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1041	$pl->ns->destroy if $pl->ns;
		1042
		1043	my $path = playerdir $pl;
		1044	my $temp = "$path~$cf::RUNTIME~deleting~";
		1045	aio_rename $path, $temp;
		1046	delete $cf::PLAYER{$pl->ob->name};
		1047	$pl->destroy;
		1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item cf::player::list_logins
		1052
		1053	Returns am arrayref of all valid playernames in the system, can take a
		1054	while and may block, so not sync_job-capable, ever.
		1055
		1056	=cut
		1057
		1058	sub list_logins {
		1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1060	or return [];
		1061
		1062	my @logins;
		1063
		1064	for my $login (@$dirs) {
		1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1066	aio_read $fh, 0, 512, my $buf, 0 or next;
		1067	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1068
		1069	utf8::decode $login;
		1070	push @logins, $login;
		1071	}
		1072
		1073	\@logins
		1074	}
		1075
		1076	=item $player->maps
		1077
		1078	Returns an arrayref of map paths that are private for this
		1079	player. May block.
		1080
		1081	=cut
		1082
		1083	sub maps($) {
		1084	my ($pl) = @_;
		1085
		1086	$pl = ref $pl ? $pl->ob->name : $pl;
		1087
		1088	my $files = aio_readdir playerdir $pl
		1089	or return;
		1090
		1091	my @paths;
		1092
		1093	for (@$files) {
		1094	utf8::decode $_;
		1095	next if /\.(?:pl|pst)$/;
		1096	next unless /^$PATH_SEP/o;
		1097
		1098	push @paths, cf::map::normalise "~$pl/$_";
		1099	}
		1100
		1101	\@paths
1037	}	1102	}
1038		1103
1039	=item $player->ext_reply ($msgid, $msgtype, %msg)	1104	=item $player->ext_reply ($msgid, $msgtype, %msg)
1040		1105
1041	Sends an ext reply to the player.	1106	Sends an ext reply to the player.
1042		1107
1043	=cut	1108	=cut
1044		1109
1045	sub cf::player::ext_reply($$$%) {	1110	sub ext_reply($$$%) {
1046	my ($self, $id, %msg) = @_;	1111	my ($self, $id, %msg) = @_;
1047		1112
1048	$msg{msgid} = $id;	1113	$msg{msgid} = $id;
1049		1114
1050	$self->send ("ext " . to_json \%msg);	1115	$self->send ("ext " . cf::to_json \%msg);
1051	}	1116	}
		1117
		1118	package cf;
1052		1119
1053	=back	1120	=back
1054		1121
1055		1122
1056	=head3 cf::map	1123	=head3 cf::map
…		…
1062	package cf::map;	1129	package cf::map;
1063		1130
1064	use Fcntl;	1131	use Fcntl;
1065	use Coro::AIO;	1132	use Coro::AIO;
1066		1133
		1134	use overload
		1135	'""' => \&as_string,
		1136	fallback => 1;
		1137
1067	our $MAX_RESET = 7200;	1138	our $MAX_RESET = 3600;
1068	our $DEFAULT_RESET = 3600;	1139	our $DEFAULT_RESET = 3000;
1069		1140
1070	sub generate_random_map {	1141	sub generate_random_map {
1071	my ($path, $rmp) = @_;	1142	my ($self, $rmp) = @_;
1072
1073	# mit "rum" bekleckern, nicht	1143	# mit "rum" bekleckern, nicht
1074	cf::map::_create_random_map	1144	$self->_create_random_map (
1075	$path,
1076	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1077	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1078	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1079	$rmp->{exit_on_final_map},	1148	$rmp->{exit_on_final_map},
1080	$rmp->{xsize}, $rmp->{ysize},	1149	$rmp->{xsize}, $rmp->{ysize},
1081	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1082	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1083	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1152	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1084	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1153	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1085	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1154	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1086	(cf::region::find $rmp->{region})	1155	(cf::region::find $rmp->{region}), $rmp->{custom}
		1156	)
		1157	}
		1158
		1159	=item cf::map->register ($regex, $prio)
		1160
		1161	Register a handler for the map path matching the given regex at the
		1162	givne priority (higher is better, built-in handlers have priority 0, the
		1163	default).
		1164
		1165	=cut
		1166
		1167	sub register {
		1168	my (undef, $regex, $prio) = @_;
		1169	my $pkg = caller;
		1170
		1171	no strict;
		1172	push @{"$pkg\::ISA"}, __PACKAGE__;
		1173
		1174	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1175	}
		1176
		1177	# also paths starting with '/'
		1178	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1179
		1180	sub thawer_merge {
		1181	my ($self, $merge) = @_;
		1182
		1183	# we have to keep some variables in memory intact
		1184	local $self->{path};
		1185	local $self->{load_path};
		1186	local $self->{deny_save};
		1187	local $self->{deny_reset};
		1188
		1189	$self->SUPER::thawer_merge ($merge);
		1190	}
		1191
		1192	sub normalise {
		1193	my ($path, $base) = @_;
		1194
		1195	$path = "$path"; # make sure its a string
		1196
		1197	$path =~ s/\.map$//;
		1198
		1199	# map plan:
		1200	#
		1201	# /! non-realised random map exit (special hack!)
		1202	# {... are special paths that are not being touched
		1203	# ?xxx/... are special absolute paths
		1204	# ?random/... random maps
		1205	# /... normal maps
		1206	# ~user/... per-player map of a specific user
		1207
		1208	$path =~ s/$PATH_SEP/\//go;
		1209
		1210	# treat it as relative path if it starts with
		1211	# something that looks reasonable
		1212	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1213	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1214
		1215	$base =~ s{[^/]+/?$}{};
		1216	$path = "$base/$path";
		1217	}
		1218
		1219	for ($path) {
		1220	redo if s{//}{/};
		1221	redo if s{/\.?/}{/};
		1222	redo if s{/[^/]+/\.\./}{/};
		1223	}
		1224
		1225	$path
		1226	}
		1227
		1228	sub new_from_path {
		1229	my (undef, $path, $base) = @_;
		1230
		1231	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1232
		1233	$path = normalise $path, $base;
		1234
		1235	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1236	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1237	my $self = bless cf::map::new, $pkg;
		1238	$self->{path} = $path; $self->path ($path);
		1239	$self->init; # pass $1 etc.
		1240	return $self;
		1241	}
		1242	}
		1243
		1244	Carp::carp "unable to resolve path '$path' (base '$base').";
		1245	()
		1246	}
		1247
		1248	sub init {
		1249	my ($self) = @_;
		1250
		1251	$self
		1252	}
		1253
		1254	sub as_string {
		1255	my ($self) = @_;
		1256
		1257	"$self->{path}"
		1258	}
		1259
		1260	# the displayed name, this is a one way mapping
		1261	sub visible_name {
		1262	&as_string
		1263	}
		1264
		1265	# the original (read-only) location
		1266	sub load_path {
		1267	my ($self) = @_;
		1268
		1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1270	}
		1271
		1272	# the temporary/swap location
		1273	sub save_path {
		1274	my ($self) = @_;
		1275
		1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1278	}
		1279
		1280	# the unique path, undef == no special unique path
		1281	sub uniq_path {
		1282	my ($self) = @_;
		1283
		1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1087	}	1286	}
1088		1287
1089	# and all this just because we cannot iterate over	1288	# and all this just because we cannot iterate over
1090	# all maps in C++...	1289	# all maps in C++...
1091	sub change_all_map_light {	1290	sub change_all_map_light {
1092	my ($change) = @_;	1291	my ($change) = @_;
1093		1292
1094	$_->change_map_light ($change) for values %cf::MAP;	1293	$_->change_map_light ($change)
		1294	for grep $_->outdoor, values %cf::MAP;
1095	}	1295	}
1096		1296
		1297	sub unlink_save {
		1298	my ($self) = @_;
		1299
		1300	utf8::encode (my $save = $self->save_path);
		1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1303
		1304	#d#TODO remove .map and also nuke
		1305	$save =~ s/\.map// or return;#d#
		1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1308	}
		1309
1097	sub try_load_header($) {	1310	sub load_header_from($) {
1098	my ($path) = @_;	1311	my ($self, $path) = @_;
1099		1312
1100	utf8::encode $path;	1313	utf8::encode $path;
1101	aio_open $path, O_RDONLY, 0	1314	#aio_open $path, O_RDONLY, 0
		1315	# or return;
		1316
		1317	$self->_load_header ($path)
1102	or return;	1318	or return;
1103		1319
1104	my $map = cf::map::new	1320	$self->{load_path} = $path;
		1321
		1322	1
		1323	}
		1324
		1325	sub load_header_orig {
		1326	my ($self) = @_;
		1327
		1328	$self->load_header_from ($self->load_path)
		1329	}
		1330
		1331	sub load_header_temp {
		1332	my ($self) = @_;
		1333
		1334	$self->load_header_from ($self->save_path)
		1335	}
		1336
		1337	sub prepare_temp {
		1338	my ($self) = @_;
		1339
		1340	$self->last_access ((delete $self->{last_access})
		1341	|| $cf::RUNTIME); #d#
		1342	# safety
		1343	$self->{instantiate_time} = $cf::RUNTIME
		1344	if $self->{instantiate_time} > $cf::RUNTIME;
		1345	}
		1346
		1347	sub prepare_orig {
		1348	my ($self) = @_;
		1349
		1350	$self->{load_original} = 1;
		1351	$self->{instantiate_time} = $cf::RUNTIME;
		1352	$self->last_access ($cf::RUNTIME);
		1353	$self->instantiate;
		1354	}
		1355
		1356	sub load_header {
		1357	my ($self) = @_;
		1358
		1359	if ($self->load_header_temp) {
		1360	$self->prepare_temp;
		1361	} else {
		1362	$self->load_header_orig
1105	or return;	1363	or return;
		1364	$self->prepare_orig;
		1365	}
1106		1366
1107	$map->load_header ($path)	1367	1
1108	or return;
1109
1110	$map->{load_path} = $path;
1111
1112	$map
1113	}	1368	}
1114		1369
		1370	sub find;
1115	sub find_map {	1371	sub find {
1116	my ($path, $origin) = @_;	1372	my ($path, $origin) = @_;
1117		1373
1118	#warn "find_map<$path,$origin>\n";#d#
1119
1120	$path = new cf::path $path, $origin && $origin->path;	1374	$path = normalise $path, $origin && $origin->path;
1121	my $key = $path->as_string;
1122		1375
		1376	cf::lock_wait "map_find:$path";
		1377
1123	$cf::MAP{$key} || do {	1378	$cf::MAP{$path} || do {
1124	# do it the slow way	1379	my $guard = cf::lock_acquire "map_find:$path";
1125	my $map = try_load_header $path->save_path;	1380	my $map = new_from_path cf::map $path
1126
1127	if ($map) {
1128	# safety
1129	$map->{instantiate_time} = $cf::RUNTIME
1130	if $map->{instantiate_time} > $cf::RUNTIME;
1131	} else {
1132	if (my $rmp = $path->random_map_params) {
1133	$map = generate_random_map $key, $rmp;
1134	} else {
1135	$map = try_load_header $path->load_path;
1136	}
1137
1138	$map or return;	1381	or return;
1139		1382
1140	$map->{load_original} = 1;
1141	$map->{instantiate_time} = $cf::RUNTIME;
1142	$map->instantiate;
1143
1144	# per-player maps become, after loading, normal maps
1145	$map->per_player (0) if $path->{user_rel};
1146	}
1147	#Coro::Timer::sleep 1;#d#
1148
1149	$map->path ($key);
1150	$map->{path} = $path;
1151	$map->{last_save} = $cf::RUNTIME;	1383	$map->{last_save} = $cf::RUNTIME;
1152	$map->last_access ($cf::RUNTIME);
1153		1384
1154	if ($map->should_reset) {	1385	$map->load_header
		1386	or return;
		1387
		1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1389	# doing this can freeze the server in a sync job, obviously
		1390	#$cf::WAIT_FOR_TICK->wait;
1155	$map->reset;	1391	$map->reset;
1156	$map = find_map $path;	1392	undef $guard;
		1393	return find $path;
1157	}	1394	}
1158		1395
1159	$cf::MAP{$key} = $map	1396	$cf::MAP{$path} = $map
1160	}	1397	}
1161	}	1398	}
		1399
		1400	sub pre_load { }
		1401	sub post_load { }
1162		1402
1163	sub load {	1403	sub load {
1164	my ($self) = @_;	1404	my ($self) = @_;
1165		1405
		1406	local $self->{deny_reset} = 1; # loading can take a long time
		1407
		1408	my $path = $self->{path};
		1409	my $guard = cf::lock_acquire "map_load:$path";
		1410
1166	return if $self->in_memory != cf::MAP_SWAPPED;	1411	return if $self->in_memory != cf::MAP_SWAPPED;
1167		1412
1168	$self->in_memory (cf::MAP_LOADING);	1413	$self->in_memory (cf::MAP_LOADING);
1169		1414
1170	my $path = $self->{path};
1171
1172	$self->alloc;	1415	$self->alloc;
		1416
		1417	$self->pre_load;
		1418
1173	$self->load_objects ($self->{load_path}, 1)	1419	$self->_load_objects ($self->{load_path}, 1)
1174	or return;	1420	or return;
1175		1421
1176	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1177	if delete $self->{load_original};	1423	if delete $self->{load_original};
1178		1424
1179	if (my $uniq = $path->uniq_path) {	1425	if (my $uniq = $self->uniq_path) {
1180	utf8::encode $uniq;	1426	utf8::encode $uniq;
1181	if (aio_open $uniq, O_RDONLY, 0) {	1427	if (aio_open $uniq, O_RDONLY, 0) {
1182	$self->clear_unique_items;	1428	$self->clear_unique_items;
1183	$self->load_objects ($uniq, 0);	1429	$self->_load_objects ($uniq, 0);
1184	}	1430	}
1185	}	1431	}
		1432
		1433	Coro::cede;
1186		1434
1187	# now do the right thing for maps	1435	# now do the right thing for maps
1188	$self->link_multipart_objects;	1436	$self->link_multipart_objects;
1189		1437
1190	if ($self->{path}->is_style_map) {	1438	unless ($self->{deny_activate}) {
1191	$self->{deny_save} = 1;	1439	$self->decay_objects;
1192	$self->{deny_reset} = 1;
1193	} else {
1194	$self->fix_auto_apply;	1440	$self->fix_auto_apply;
1195	$self->decay_objects;
1196	$self->update_buttons;	1441	$self->update_buttons;
		1442	Coro::cede;
1197	$self->set_darkness_map;	1443	$self->set_darkness_map;
1198	$self->difficulty ($self->estimate_difficulty)	1444	$self->difficulty ($self->estimate_difficulty)
1199	unless $self->difficulty;	1445	unless $self->difficulty;
		1446	Coro::cede;
1200	$self->activate;	1447	$self->activate;
1201	}	1448	}
1202		1449
		1450	$self->post_load;
		1451
1203	$self->in_memory (cf::MAP_IN_MEMORY);	1452	$self->in_memory (cf::MAP_IN_MEMORY);
1204	}	1453	}
1205		1454
1206	sub load_map_sync {	1455	sub customise_for {
		1456	my ($self, $ob) = @_;
		1457
		1458	return find "~" . $ob->name . "/" . $self->{path}
		1459	if $self->per_player;
		1460
		1461	$self
		1462	}
		1463
		1464	# find and load all maps in the 3x3 area around a map
		1465	sub load_diag {
		1466	my ($map) = @_;
		1467
		1468	my @diag; # diagonal neighbours
		1469
		1470	for (0 .. 3) {
		1471	my $neigh = $map->tile_path ($_)
		1472	or next;
		1473	$neigh = find $neigh, $map
		1474	or next;
		1475	$neigh->load;
		1476
		1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1479	}
		1480
		1481	for (@diag) {
		1482	my $neigh = find @$_
		1483	or next;
		1484	$neigh->load;
		1485	}
		1486	}
		1487
		1488	sub find_sync {
1207	my ($path, $origin) = @_;	1489	my ($path, $origin) = @_;
1208		1490
1209	#warn "load_map_sync<$path, $origin>\n";#d#	1491	cf::sync_job { find $path, $origin }
		1492	}
1210		1493
1211	cf::sync_job {	1494	sub do_load_sync {
1212	my $map = cf::map::find_map $path, $origin	1495	my ($map) = @_;
1213	or return;	1496
		1497	cf::sync_job { $map->load };
		1498	}
		1499
		1500	our %MAP_PREFETCH;
		1501	our $MAP_PREFETCHER = undef;
		1502
		1503	sub find_async {
		1504	my ($path, $origin) = @_;
		1505
		1506	$path = normalise $path, $origin && $origin->{path};
		1507
		1508	if (my $map = $cf::MAP{$path}) {
		1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1510	}
		1511
		1512	undef $MAP_PREFETCH{$path};
		1513	$MAP_PREFETCHER ||= cf::async {
		1514	while (%MAP_PREFETCH) {
		1515	for my $path (keys %MAP_PREFETCH) {
		1516	my $map = find $path
		1517	or next;
1214	$map->load;	1518	$map->load;
1215	$map	1519
		1520	delete $MAP_PREFETCH{$path};
		1521	}
		1522	}
		1523	undef $MAP_PREFETCHER;
1216	}	1524	};
		1525	$MAP_PREFETCHER->prio (6);
		1526
		1527	()
1217	}	1528	}
1218		1529
1219	sub save {	1530	sub save {
1220	my ($self) = @_;	1531	my ($self) = @_;
1221		1532
		1533	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1534
1222	$self->{last_save} = $cf::RUNTIME;	1535	$self->{last_save} = $cf::RUNTIME;
1223		1536
1224	return unless $self->dirty;	1537	return unless $self->dirty;
1225		1538
1226	my $save = $self->{path}->save_path; utf8::encode $save;	1539	my $save = $self->save_path; utf8::encode $save;
1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1540	my $uniq = $self->uniq_path; utf8::encode $uniq;
1228		1541
1229	$self->{load_path} = $save;	1542	$self->{load_path} = $save;
1230		1543
1231	return if $self->{deny_save};	1544	return if $self->{deny_save};
1232		1545
		1546	local $self->{last_access} = $self->last_access;#d#
		1547
		1548	cf::async {
		1549	$_->contr->save for $self->players;
		1550	};
		1551
1233	if ($uniq) {	1552	if ($uniq) {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1235	$self->save_objects ($uniq, cf::IO_UNIQUES);	1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1236	} else {	1555	} else {
1237	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1238	}	1557	}
1239	}	1558	}
1240		1559
1241	sub swap_out {	1560	sub swap_out {
1242	my ($self) = @_;	1561	my ($self) = @_;
		1562
		1563	# save first because save cedes
		1564	$self->save;
		1565
		1566	my $lock = cf::lock_acquire "map_data:" . $self->path;
1243		1567
1244	return if $self->players;	1568	return if $self->players;
1245	return if $self->in_memory != cf::MAP_IN_MEMORY;	1569	return if $self->in_memory != cf::MAP_IN_MEMORY;
1246	return if $self->{deny_save};	1570	return if $self->{deny_save};
1247		1571
1248	$self->save;
1249	$self->clear;	1572	$self->clear;
1250	$self->in_memory (cf::MAP_SWAPPED);	1573	$self->in_memory (cf::MAP_SWAPPED);
1251	}	1574	}
1252		1575
1253	sub reset_at {	1576	sub reset_at {
1254	my ($self) = @_;	1577	my ($self) = @_;
1255		1578
1256	# TODO: safety, remove and allow resettable per-player maps	1579	# TODO: safety, remove and allow resettable per-player maps
1257	return 1e99 if $self->{path}{user_rel};	1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1258	return 1e99 if $self->{deny_reset};	1581	return 1e99 if $self->{deny_reset};
1259		1582
1260	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1261	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1262		1585
…		…
1267	my ($self) = @_;	1590	my ($self) = @_;
1268		1591
1269	$self->reset_at <= $cf::RUNTIME	1592	$self->reset_at <= $cf::RUNTIME
1270	}	1593	}
1271		1594
1272	sub unlink_save {
1273	my ($self) = @_;
1274
1275	utf8::encode (my $save = $self->{path}->save_path);
1276	aioreq_pri 3; IO::AIO::aio_unlink $save;
1277	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1278	}
1279
1280	sub rename {
1281	my ($self, $new_path) = @_;
1282
1283	$self->unlink_save;
1284
1285	delete $cf::MAP{$self->path};
1286	$self->{path} = new cf::path $new_path;
1287	$self->path ($self->{path}->as_string);
1288	$cf::MAP{$self->path} = $self;
1289
1290	$self->save;
1291	}
1292
1293	sub reset {	1595	sub reset {
1294	my ($self) = @_;	1596	my ($self) = @_;
1295		1597
		1598	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1599
1296	return if $self->players;	1600	return if $self->players;
1297	return if $self->{path}{user_rel};#d#	1601	return if $self->isa ("ext::map_per_player");#d#
1298		1602
1299	warn "resetting map ", $self->path;#d#	1603	warn "resetting map ", $self->path;#d#
1300		1604
1301	delete $cf::MAP{$self->path};	1605	delete $cf::MAP{$self->path};
		1606
		1607	$self->in_memory (cf::MAP_SWAPPED);
		1608	$self->clear;
1302		1609
1303	$_->clear_links_to ($self) for values %cf::MAP;	1610	$_->clear_links_to ($self) for values %cf::MAP;
1304		1611
1305	$self->unlink_save;	1612	$self->unlink_save;
1306	$self->destroy;	1613	$self->destroy;
…		…
1309	my $nuke_counter = "aaaa";	1616	my $nuke_counter = "aaaa";
1310		1617
1311	sub nuke {	1618	sub nuke {
1312	my ($self) = @_;	1619	my ($self) = @_;
1313		1620
		1621	delete $cf::MAP{$self->path};
		1622
		1623	$self->unlink_save;
		1624
		1625	bless $self, "cf::map";
		1626	delete $self->{deny_reset};
1314	$self->{deny_save} = 1;	1627	$self->{deny_save} = 1;
1315	$self->reset_timeout (1);	1628	$self->reset_timeout (1);
1316	$self->rename ("{nuke}/" . ($nuke_counter++));	1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1630
		1631	$cf::MAP{$self->path} = $self;
		1632
1317	$self->reset; # polite request, might not happen	1633	$self->reset; # polite request, might not happen
1318	}	1634	}
1319		1635
1320	sub customise_for {	1636	=item cf::map::unique_maps
1321	my ($map, $ob) = @_;
1322		1637
1323	if ($map->per_player) {	1638	Returns an arrayref of paths of all shared maps that have
1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1639	instantiated unique items. May block.
1325	}
1326		1640
1327	$map	1641	=cut
1328	}
1329		1642
1330	sub emergency_save {	1643	sub unique_maps() {
1331	local $cf::FREEZE = 1;	1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1645	or return;
1332		1646
1333	warn "enter emergency map save\n";	1647	my @paths;
1334		1648
1335	cf::sync_job {	1649	for (@$files) {
1336	warn "begin emergency map save\n";	1650	utf8::decode $_;
1337	$_->save for values %cf::MAP;	1651	next if /\.pst$/;
		1652	next unless /^$PATH_SEP/o;
		1653
		1654	push @paths, cf::map::normalise $_;
1338	};	1655	}
1339		1656
1340	warn "end emergency map save\n";	1657	\@paths
1341	}	1658	}
1342		1659
1343	package cf;	1660	package cf;
1344		1661
1345	=back	1662	=back
1346		1663
		1664	=head3 cf::object
		1665
		1666	=cut
		1667
		1668	package cf::object;
		1669
		1670	=over 4
		1671
		1672	=item $ob->inv_recursive
		1673
		1674	Returns the inventory of the object _and_ their inventories, recursively.
		1675
		1676	=cut
		1677
		1678	sub inv_recursive_;
		1679	sub inv_recursive_ {
		1680	map { $_, inv_recursive_ $_->inv } @_
		1681	}
		1682
		1683	sub inv_recursive {
		1684	inv_recursive_ inv $_[0]
		1685	}
		1686
		1687	package cf;
		1688
		1689	=back
1347		1690
1348	=head3 cf::object::player	1691	=head3 cf::object::player
1349		1692
1350	=over 4	1693	=over 4
1351		1694
…		…
1391		1734
1392	=item $player_object->enter_link	1735	=item $player_object->enter_link
1393		1736
1394	Freezes the player and moves him/her to a special map (C<{link}>).	1737	Freezes the player and moves him/her to a special map (C<{link}>).
1395		1738
1396	The player should be reaosnably safe there for short amounts of time. You	1739	The player should be reasonably safe there for short amounts of time. You
1397	I<MUST> call C<leave_link> as soon as possible, though.	1740	I<MUST> call C<leave_link> as soon as possible, though.
1398		1741
		1742	Will never block.
		1743
1399	=item $player_object->leave_link ($map, $x, $y)	1744	=item $player_object->leave_link ($map, $x, $y)
1400		1745
1401	Moves the player out of the specila link map onto the given map. If the	1746	Moves the player out of the special C<{link}> map onto the specified
1402	map is not valid (or omitted), the player will be moved back to the	1747	map. If the map is not valid (or omitted), the player will be moved back
1403	location he/she was before the call to C<enter_link>, or, if that fails,	1748	to the location he/she was before the call to C<enter_link>, or, if that
1404	to the emergency map position.	1749	fails, to the emergency map position.
1405		1750
1406	Might block.	1751	Might block.
1407		1752
1408	=cut	1753	=cut
		1754
		1755	sub link_map {
		1756	unless ($LINK_MAP) {
		1757	$LINK_MAP = cf::map::find "{link}"
		1758	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1759	$LINK_MAP->load;
		1760	}
		1761
		1762	$LINK_MAP
		1763	}
1409		1764
1410	sub cf::object::player::enter_link {	1765	sub cf::object::player::enter_link {
1411	my ($self) = @_;	1766	my ($self) = @_;
1412		1767
1413	return if $self->map == $LINK_MAP;	1768	$self->deactivate_recursive;
1414		1769
		1770	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1771
1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1416	if $self->map;	1773	if $self->map;
1417		1774
1418	$self->enter_map ($LINK_MAP, 20, 20);	1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1419	$self->deactivate_recursive;
1420	}	1776	}
1421		1777
1422	sub cf::object::player::leave_link {	1778	sub cf::object::player::leave_link {
1423	my ($self, $map, $x, $y) = @_;	1779	my ($self, $map, $x, $y) = @_;
1424		1780
1425	my $link_pos = delete $self->{_link_pos};	1781	my $link_pos = delete $self->{_link_pos};
1426		1782
1427	unless ($map) {	1783	unless ($map) {
1428	# restore original map position	1784	# restore original map position
1429	($map, $x, $y) = @{ $link_pos || [] };	1785	($map, $x, $y) = @{ $link_pos || [] };
1430	$map = cf::map::find_map $map;	1786	$map = cf::map::find $map;
1431		1787
1432	unless ($map) {	1788	unless ($map) {
1433	($map, $x, $y) = @$EMERGENCY_POSITION;	1789	($map, $x, $y) = @$EMERGENCY_POSITION;
1434	$map = cf::map::find_map $map	1790	$map = cf::map::find $map
1435	or die "FATAL: cannot load emergency map\n";	1791	or die "FATAL: cannot load emergency map\n";
1436	}	1792	}
1437	}	1793	}
1438		1794
1439	($x, $y) = (-1, -1)	1795	($x, $y) = (-1, -1)
…		…
1442	# use -1 or undef as default coordinates, not 0, 0	1798	# use -1 or undef as default coordinates, not 0, 0
1443	($x, $y) = ($map->enter_x, $map->enter_y)	1799	($x, $y) = ($map->enter_x, $map->enter_y)
1444	if $x <=0 && $y <= 0;	1800	if $x <=0 && $y <= 0;
1445		1801
1446	$map->load;	1802	$map->load;
		1803	$map->load_diag;
1447		1804
		1805	return unless $self->contr->active;
1448	$self->activate_recursive;	1806	$self->activate_recursive;
1449	$self->enter_map ($map, $x, $y);	1807	$self->enter_map ($map, $x, $y);
1450	}	1808	}
1451		1809
		1810	cf::player->attach (
		1811	on_logout => sub {
		1812	my ($pl) = @_;
		1813
		1814	# abort map switching before logout
		1815	if ($pl->ob->{_link_pos}) {
		1816	cf::sync_job {
		1817	$pl->ob->leave_link
		1818	};
		1819	}
		1820	},
		1821	on_login => sub {
		1822	my ($pl) = @_;
		1823
		1824	# try to abort aborted map switching on player login :)
		1825	# should happen only on crashes
		1826	if ($pl->ob->{_link_pos}) {
		1827	$pl->ob->enter_link;
		1828	(async {
		1829	# we need this sleep as the login has a concurrent enter_exit running
		1830	# and this sleep increases chances of the player not ending up in scorn
		1831	$pl->ob->reply (undef,
		1832	"There was an internal problem at your last logout, "
		1833	. "the server will try to bring you to your intended destination in a second.",
		1834	cf::NDI_RED);
		1835	Coro::Timer::sleep 1;
		1836	$pl->ob->leave_link;
		1837	})->prio (2);
		1838	}
		1839	},
		1840	);
		1841
1452	=item $player_object->goto_map ($path, $x, $y)	1842	=item $player_object->goto ($path, $x, $y)
1453		1843
1454	=cut	1844	=cut
1455		1845
1456	sub cf::object::player::goto_map {	1846	sub cf::object::player::goto {
1457	my ($self, $path, $x, $y) = @_;	1847	my ($self, $path, $x, $y) = @_;
1458		1848
1459	$self->enter_link;	1849	$self->enter_link;
1460		1850
1461	(Coro::async {	1851	(async {
1462	$path = new cf::path $path;	1852	my $map = eval {
1463
1464	my $map = cf::map::find_map $path->as_string;	1853	my $map = cf::map::find $path;
1465	$map = $map->customise_for ($self) if $map;	1854	$map = $map->customise_for ($self) if $map;
1466		1855	$map
1467	# warn "entering ", $map->path, " at ($x, $y)\n"	1856	} or
1468	# if $map;
1469
1470	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1471		1858
1472	$self->leave_link ($map, $x, $y);	1859	$self->leave_link ($map, $x, $y);
1473	})->prio (1);	1860	})->prio (1);
1474	}	1861	}
1475		1862
…		…
1479		1866
1480	sub parse_random_map_params {	1867	sub parse_random_map_params {
1481	my ($spec) = @_;	1868	my ($spec) = @_;
1482		1869
1483	my $rmp = { # defaults	1870	my $rmp = { # defaults
1484	xsize => 10,	1871	xsize => (cf::rndm 15, 40),
1485	ysize => 10,	1872	ysize => (cf::rndm 15, 40),
		1873	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1874	#layout => string,
1486	};	1875	};
1487		1876
1488	for (split /\n/, $spec) {	1877	for (split /\n/, $spec) {
1489	my ($k, $v) = split /\s+/, $_, 2;	1878	my ($k, $v) = split /\s+/, $_, 2;
1490		1879
…		…
1494	$rmp	1883	$rmp
1495	}	1884	}
1496		1885
1497	sub prepare_random_map {	1886	sub prepare_random_map {
1498	my ($exit) = @_;	1887	my ($exit) = @_;
		1888
		1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1499		1890
1500	# all this does is basically replace the /! path by	1891	# all this does is basically replace the /! path by
1501	# a new random map path (?random/...) with a seed	1892	# a new random map path (?random/...) with a seed
1502	# that depends on the exit object	1893	# that depends on the exit object
1503		1894
1504	my $rmp = parse_random_map_params $exit->msg;	1895	my $rmp = parse_random_map_params $exit->msg;
1505		1896
1506	if ($exit->map) {	1897	if ($exit->map) {
1507	$rmp->{region} = $exit->map->region_name;	1898	$rmp->{region} = $exit->region->name;
1508	$rmp->{origin_map} = $exit->map->path;	1899	$rmp->{origin_map} = $exit->map->path;
1509	$rmp->{origin_x} = $exit->x;	1900	$rmp->{origin_x} = $exit->x;
1510	$rmp->{origin_y} = $exit->y;	1901	$rmp->{origin_y} = $exit->y;
1511	}	1902	}
1512		1903
1513	$rmp->{random_seed} ||= $exit->random_seed;	1904	$rmp->{random_seed} ||= $exit->random_seed;
1514		1905
1515	my $data = cf::to_json $rmp;	1906	my $data = cf::to_json $rmp;
1516	my $md5 = Digest::MD5::md5_hex $data;	1907	my $md5 = Digest::MD5::md5_hex $data;
		1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1517		1909
1518	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1519	aio_write $fh, 0, (length $data), $data, 0;	1911	aio_write $fh, 0, (length $data), $data, 0;
		1912	undef $fh;
		1913	aio_rename "$meta~", $meta;
1520		1914
1521	$exit->slaying ("?random/$md5");	1915	$exit->slaying ("?random/$md5");
1522	$exit->msg (undef);	1916	$exit->msg (undef);
1523	}	1917	}
1524	}	1918	}
…		…
1526	sub cf::object::player::enter_exit {	1920	sub cf::object::player::enter_exit {
1527	my ($self, $exit) = @_;	1921	my ($self, $exit) = @_;
1528		1922
1529	return unless $self->type == cf::PLAYER;	1923	return unless $self->type == cf::PLAYER;
1530		1924
		1925	if ($exit->slaying eq "/!") {
		1926	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1927	cf::sync_job { prepare_random_map $exit };
		1928	}
		1929
		1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1931	my $hp = $exit->stats->hp;
		1932	my $sp = $exit->stats->sp;
		1933
1531	$self->enter_link;	1934	$self->enter_link;
1532		1935
1533	(Coro::async {	1936	(async {
		1937	$self->deactivate_recursive; # just to be sure
1534	unless (eval {	1938	unless (eval {
1535		1939	$self->goto ($slaying, $hp, $sp);
1536	prepare_random_map $exit
1537	if $exit->slaying eq "/!";
1538
1539	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1540	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1541		1940
1542	1;	1941	1;
1543	}) {	1942	}) {
1544	$self->message ("Something went wrong deep within the crossfire server. "	1943	$self->message ("Something went wrong deep within the crossfire server. "
1545	. "I'll try to bring you back to the map you were before. "	1944	. "I'll try to bring you back to the map you were before. "
1546	. "Please report this to the dungeon master",	1945	. "Please report this to the dungeon master!",
1547	cf::NDI_UNIQUE | cf::NDI_RED);	1946	cf::NDI_UNIQUE | cf::NDI_RED);
1548		1947
1549	warn "ERROR in enter_exit: $@";	1948	warn "ERROR in enter_exit: $@";
1550	$self->leave_link;	1949	$self->leave_link;
1551	}	1950	}
…		…
1602	on_reply => sub {	2001	on_reply => sub {
1603	my ($ns, $msg) = @_;	2002	my ($ns, $msg) = @_;
1604		2003
1605	# this weird shuffling is so that direct followup queries	2004	# this weird shuffling is so that direct followup queries
1606	# get handled first	2005	# get handled first
1607	my $queue = delete $ns->{query_queue};	2006	my $queue = delete $ns->{query_queue}
		2007	or return; # be conservative, not sure how that can happen, but we saw a crash here
1608		2008
1609	(shift @$queue)->[1]->($msg);	2009	(shift @$queue)->[1]->($msg);
		2010	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1610		2011
1611	push @{ $ns->{query_queue} }, @$queue;	2012	push @{ $ns->{query_queue} }, @$queue;
1612		2013
1613	if (@{ $ns->{query_queue} } == @$queue) {	2014	if (@{ $ns->{query_queue} } == @$queue) {
1614	if (@$queue) {	2015	if (@$queue) {
…		…
1618	}	2019	}
1619	}	2020	}
1620	},	2021	},
1621	);	2022	);
1622		2023
1623	=item $client->coro (\&cb)	2024	=item $client->async (\&cb)
1624		2025
1625	Create a new coroutine, running the specified callback. The coroutine will	2026	Create a new coroutine, running the specified callback. The coroutine will
1626	be automatically cancelled when the client gets destroyed (e.g. on logout,	2027	be automatically cancelled when the client gets destroyed (e.g. on logout,
1627	or loss of connection).	2028	or loss of connection).
1628		2029
1629	=cut	2030	=cut
1630		2031
1631	sub cf::client::coro {	2032	sub cf::client::async {
1632	my ($self, $cb) = @_;	2033	my ($self, $cb) = @_;
1633		2034
1634	my $coro; $coro = async {	2035	my $coro = &Coro::async ($cb);
1635	eval {
1636	$cb->();
1637	};
1638	warn $@ if $@;
1639	};
1640		2036
1641	$coro->on_destroy (sub {	2037	$coro->on_destroy (sub {
1642	delete $self->{_coro}{$coro+0};	2038	delete $self->{_coro}{$coro+0};
1643	});	2039	});
1644		2040
…		…
1816		2212
1817	{	2213	{
1818	my $path = cf::localdir . "/database.pst";	2214	my $path = cf::localdir . "/database.pst";
1819		2215
1820	sub db_load() {	2216	sub db_load() {
1821	warn "loading database $path\n";#d# remove later
1822	$DB = stat $path ? Storable::retrieve $path : { };	2217	$DB = stat $path ? Storable::retrieve $path : { };
1823	}	2218	}
1824		2219
1825	my $pid;	2220	my $pid;
1826		2221
1827	sub db_save() {	2222	sub db_save() {
1828	warn "saving database $path\n";#d# remove later
1829	waitpid $pid, 0 if $pid;	2223	waitpid $pid, 0 if $pid;
1830	if (0 == ($pid = fork)) {	2224	if (0 == ($pid = fork)) {
1831	$DB->{_meta}{version} = 1;	2225	$DB->{_meta}{version} = 1;
1832	Storable::nstore $DB, "$path~";	2226	Storable::nstore $DB, "$path~";
1833	rename "$path~", $path;	2227	rename "$path~", $path;
…		…
1840	sub db_sync() {	2234	sub db_sync() {
1841	db_save if $dirty;	2235	db_save if $dirty;
1842	undef $dirty;	2236	undef $dirty;
1843	}	2237	}
1844		2238
1845	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2239	my $idle = Event->idle (
1846	db_sync;	2240	reentrant => 0,
		2241	min => 10,
		2242	max => 20,
		2243	repeat => 0,
		2244	data => WF_AUTOCANCEL,
		2245	cb => \&db_sync,
1847	});	2246	);
1848		2247
1849	sub db_dirty() {	2248	sub db_dirty() {
1850	$dirty = 1;	2249	$dirty = 1;
1851	$idle->start;	2250	$idle->start;
1852	}	2251	}
…		…
1873	},	2272	},
1874	);	2273	);
1875	}	2274	}
1876		2275
1877	#############################################################################	2276	#############################################################################
1878	# the server's main()	2277	# the server's init and main functions
		2278
		2279	sub load_resources {
		2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2281	or die "unable to load regions file\n";#d#
		2282	}
1879		2283
1880	sub cfg_load {	2284	sub cfg_load {
1881	open my $fh, "<:utf8", cf::confdir . "/config"	2285	open my $fh, "<:utf8", cf::confdir . "/config"
1882	or return;	2286	or return;
1883		2287
1884	local $/;	2288	local $/;
1885	*CFG = YAML::Syck::Load <$fh>;	2289	*CFG = YAML::Syck::Load <$fh>;
		2290
		2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2292
		2293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2295
		2296	if (exists $CFG{mlockall}) {
		2297	eval {
		2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2299	and die "WARNING: m(un)lockall failed: $!\n";
		2300	};
		2301	warn $@ if $@;
		2302	}
		2303	}
		2304
		2305	sub init {
		2306	load_resources;
1886	}	2307	}
1887		2308
1888	sub main {	2309	sub main {
1889	# we must not ever block the main coroutine	2310	# we must not ever block the main coroutine
1890	local $Coro::idle = sub {	2311	local $Coro::idle = sub {
1891	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1892	(Coro::unblock_sub {	2313	(async {
1893	Event::one_event;	2314	Event::one_event;
1894	})->();	2315	})->prio (Coro::PRIO_MAX);
1895	};	2316	};
1896		2317
1897	cfg_load;	2318	cfg_load;
1898	db_load;	2319	db_load;
1899	load_extensions;	2320	load_extensions;
		2321
		2322	$TICK_WATCHER->start;
1900	Event::loop;	2323	Event::loop;
1901	}	2324	}
1902		2325
1903	#############################################################################	2326	#############################################################################
1904	# initialisation	2327	# initialisation and cleanup
		2328
		2329	# install some emergency cleanup handlers
		2330	BEGIN {
		2331	for my $signal (qw(INT HUP TERM)) {
		2332	Event->signal (
		2333	reentrant => 0,
		2334	data => WF_AUTOCANCEL,
		2335	signal => $signal,
		2336	prio => 0,
		2337	cb => sub {
		2338	cf::cleanup "SIG$signal";
		2339	},
		2340	);
		2341	}
		2342	}
		2343
		2344	sub emergency_save() {
		2345	my $freeze_guard = cf::freeze_mainloop;
		2346
		2347	warn "enter emergency perl save\n";
		2348
		2349	cf::sync_job {
		2350	# use a peculiar iteration method to avoid tripping on perl
		2351	# refcount bugs in for. also avoids problems with players
		2352	# and maps saved/destroyed asynchronously.
		2353	warn "begin emergency player save\n";
		2354	for my $login (keys %cf::PLAYER) {
		2355	my $pl = $cf::PLAYER{$login} or next;
		2356	$pl->valid or next;
		2357	$pl->save;
		2358	}
		2359	warn "end emergency player save\n";
		2360
		2361	warn "begin emergency map save\n";
		2362	for my $path (keys %cf::MAP) {
		2363	my $map = $cf::MAP{$path} or next;
		2364	$map->valid or next;
		2365	$map->save;
		2366	}
		2367	warn "end emergency map save\n";
		2368	};
		2369
		2370	warn "leave emergency perl save\n";
		2371	}
1905		2372
1906	sub reload() {	2373	sub reload() {
1907	# can/must only be called in main	2374	# can/must only be called in main
1908	if ($Coro::current != $Coro::main) {	2375	if ($Coro::current != $Coro::main) {
1909	warn "can only reload from main coroutine\n";	2376	warn "can only reload from main coroutine";
1910	return;	2377	return;
1911	}	2378	}
1912		2379
1913	warn "reloading...";	2380	warn "reloading...";
1914		2381
1915	local $FREEZE = 1;	2382	warn "cancelling server ticker";
		2383	$TICK_WATCHER->cancel;
		2384
1916	cf::emergency_save;	2385	cf::emergency_save;
1917		2386
1918	eval {	2387	eval {
1919	# if anything goes wrong in here, we should simply crash as we already saved	2388	# if anything goes wrong in here, we should simply crash as we already saved
1920		2389
1921	# cancel all watchers	2390	warn "syncing database to disk";
		2391	cf::db_sync;
		2392
		2393	warn "cancelling all WF_AUTOCANCEL watchers";
1922	for (Event::all_watchers) {	2394	for (Event::all_watchers) {
1923	$_->cancel if $_->data & WF_AUTOCANCEL;	2395	$_->cancel if $_->data & WF_AUTOCANCEL;
1924	}	2396	}
1925		2397
		2398	warn "flushing outstanding aio requests";
		2399	for (;;) {
		2400	IO::AIO::flush;
		2401	Coro::cede;
		2402	last unless IO::AIO::nreqs;
		2403	warn "iterate...";
		2404	}
		2405
1926	# cancel all extension coros	2406	warn "cancelling all extension coros";
1927	$_->cancel for values %EXT_CORO;	2407	$_->cancel for values %EXT_CORO;
1928	%EXT_CORO = ();	2408	%EXT_CORO = ();
1929		2409
1930	# unload all extensions	2410	warn "removing commands";
1931	for (@exts) {	2411	%COMMAND = ();
		2412
		2413	warn "removing ext commands";
		2414	%EXTCMD = ();
		2415
		2416	warn "unloading/nuking all extensions";
		2417	for my $pkg (@EXTS) {
1932	warn "unloading <$_>";	2418	warn "... unloading $pkg";
1933	unload_extension $_;	2419
		2420	if (my $cb = $pkg->can ("unload")) {
		2421	eval {
		2422	$cb->($pkg);
		2423	1
		2424	} or warn "$pkg unloaded, but with errors: $@";
1934	}	2425	}
1935		2426
		2427	warn "... nuking $pkg";
		2428	Symbol::delete_package $pkg;
		2429	}
		2430
1936	# unload all modules loaded from $LIBDIR	2431	warn "unloading all perl modules loaded from $LIBDIR";
1937	while (my ($k, $v) = each %INC) {	2432	while (my ($k, $v) = each %INC) {
1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1939		2434
1940	warn "removing <$k>";	2435	warn "... unloading $k";
1941	delete $INC{$k};	2436	delete $INC{$k};
1942		2437
1943	$k =~ s/\.pm$//;	2438	$k =~ s/\.pm$//;
1944	$k =~ s/\//::/g;	2439	$k =~ s/\//::/g;
1945		2440
…		…
1948	}	2443	}
1949		2444
1950	Symbol::delete_package $k;	2445	Symbol::delete_package $k;
1951	}	2446	}
1952		2447
1953	# sync database to disk
1954	cf::db_sync;
1955	IO::AIO::flush;
1956
1957	# get rid of safe::, as good as possible	2448	warn "getting rid of safe::, as good as possible";
1958	Symbol::delete_package "safe::$_"	2449	Symbol::delete_package "safe::$_"
1959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1960		2451
1961	# remove register_script_function callbacks
1962	# TODO
1963
1964	# unload cf.pm "a bit"	2452	warn "unloading cf.pm \"a bit\"";
1965	delete $INC{"cf.pm"};	2453	delete $INC{"cf.pm"};
1966		2454
1967	# don't, removes xs symbols, too,	2455	# don't, removes xs symbols, too,
1968	# and global variables created in xs	2456	# and global variables created in xs
1969	#Symbol::delete_package __PACKAGE__;	2457	#Symbol::delete_package __PACKAGE__;
1970		2458
1971	# reload cf.pm	2459	warn "unload completed, starting to reload now";
		2460
1972	warn "reloading cf.pm";	2461	warn "reloading cf.pm";
1973	require cf;	2462	require cf;
1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1975		2464
1976	# load config and database again	2465	warn "loading config and database again";
1977	cf::cfg_load;	2466	cf::cfg_load;
1978	cf::db_load;	2467	cf::db_load;
1979		2468
1980	# load extensions
1981	warn "load extensions";	2469	warn "loading extensions";
1982	cf::load_extensions;	2470	cf::load_extensions;
1983		2471
1984	# reattach attachments to objects	2472	warn "reattaching attachments to objects/players";
1985	warn "reattach";
1986	_global_reattach;	2473	_global_reattach;
		2474	warn "reattaching attachments to maps";
		2475	reattach $_ for values %MAP;
		2476
		2477	warn "loading reloadable resources";
		2478	load_resources;
		2479
		2480	warn "restarting server ticker";
		2481
		2482	$TICK_WATCHER->start;
1987	};	2483	};
1988		2484
1989	if ($@) {	2485	if ($@) {
1990	warn $@;	2486	warn $@;
1991	warn "error while reloading, exiting.";	2487	warn "error while reloading, exiting.";
1992	exit 1;	2488	exit 1;
1993	}	2489	}
1994		2490
1995	warn "reloaded successfully";	2491	warn "reloaded";
1996	};	2492	};
1997		2493
1998	#############################################################################	2494	our $RELOAD_WATCHER; # used only during reload
1999
2000	unless ($LINK_MAP) {
2001	$LINK_MAP = cf::map::new;
2002
2003	$LINK_MAP->width (41);
2004	$LINK_MAP->height (41);
2005	$LINK_MAP->alloc;
2006	$LINK_MAP->path ("{link}");
2007	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2008	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2009
2010	# dirty hack because... archetypes are not yet loaded
2011	Event->timer (
2012	after => 2,
2013	cb => sub {
2014	$_[0]->w->cancel;
2015
2016	# provide some exits "home"
2017	my $exit = cf::object::new "exit";
2018
2019	$exit->slaying ($EMERGENCY_POSITION->[0]);
2020	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2021	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2022
2023	$LINK_MAP->insert ($exit->clone, 19, 19);
2024	$LINK_MAP->insert ($exit->clone, 19, 20);
2025	$LINK_MAP->insert ($exit->clone, 19, 21);
2026	$LINK_MAP->insert ($exit->clone, 20, 19);
2027	$LINK_MAP->insert ($exit->clone, 20, 21);
2028	$LINK_MAP->insert ($exit->clone, 21, 19);
2029	$LINK_MAP->insert ($exit->clone, 21, 20);
2030	$LINK_MAP->insert ($exit->clone, 21, 21);
2031
2032	$exit->destroy;
2033	});
2034
2035	$LINK_MAP->{deny_save} = 1;
2036	$LINK_MAP->{deny_reset} = 1;
2037
2038	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2039	}
2040
2041	register "<global>", __PACKAGE__;
2042		2495
2043	register_command "reload" => sub {	2496	register_command "reload" => sub {
2044	my ($who, $arg) = @_;	2497	my ($who, $arg) = @_;
2045		2498
2046	if ($who->flag (FLAG_WIZ)) {	2499	if ($who->flag (FLAG_WIZ)) {
2047	$who->message ("start of reload.");	2500	$who->message ("reloading server.");
		2501
		2502	# doing reload synchronously and two reloads happen back-to-back,
		2503	# coro crashes during coro_state_free->destroy here.
		2504
		2505	$RELOAD_WATCHER ||= Event->timer (
		2506	reentrant => 0,
		2507	after => 0,
		2508	data => WF_AUTOCANCEL,
		2509	cb => sub {
2048	reload;	2510	reload;
2049	$who->message ("end of reload.");	2511	undef $RELOAD_WATCHER;
		2512	},
		2513	);
2050	}	2514	}
2051	};	2515	};
2052		2516
2053	unshift @INC, $LIBDIR;	2517	unshift @INC, $LIBDIR;
		2518
		2519	my $bug_warning = 0;
2054		2520
2055	$TICK_WATCHER = Event->timer (	2521	$TICK_WATCHER = Event->timer (
2056	reentrant => 0,	2522	reentrant => 0,
		2523	parked => 1,
2057	prio => 0,	2524	prio => 0,
2058	at => $NEXT_TICK || $TICK,	2525	at => $NEXT_TICK || $TICK,
2059	data => WF_AUTOCANCEL,	2526	data => WF_AUTOCANCEL,
2060	cb => sub {	2527	cb => sub {
2061	unless ($FREEZE) {	2528	if ($Coro::current != $Coro::main) {
		2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2530	unless ++$bug_warning > 10;
		2531	return;
		2532	}
		2533
		2534	$NOW = Event::time;
		2535
2062	cf::server_tick; # one server iteration	2536	cf::server_tick; # one server iteration
2063	$RUNTIME += $TICK;	2537	$RUNTIME += $TICK;
2064	}
2065
2066	$NEXT_TICK += $TICK;	2538	$NEXT_TICK += $TICK;
		2539
		2540	$WAIT_FOR_TICK->broadcast;
		2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2542
		2543	Event::sweep;
		2544	Coro::cede_notself;
		2545
		2546	# my $AFTER = Event::time;
		2547	# warn $AFTER - $NOW;#d#
2067		2548
2068	# if we are delayed by four ticks or more, skip them all	2549	# if we are delayed by four ticks or more, skip them all
2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2070		2551
2071	$TICK_WATCHER->at ($NEXT_TICK);	2552	$TICK_WATCHER->at ($NEXT_TICK);
2072	$TICK_WATCHER->start;	2553	$TICK_WATCHER->start;
2073	},	2554	},
2074	);	2555	);
2075		2556
2076	IO::AIO::max_poll_time $TICK * 0.2;	2557	IO::AIO::max_poll_time $TICK * 0.1;
2077		2558
2078	Event->io (	2559	undef $Coro::AIO::WATCHER;
		2560	$AIO_POLL_WATCHER = Event->io (
		2561	reentrant => 0,
2079	fd => IO::AIO::poll_fileno,	2562	fd => IO::AIO::poll_fileno,
2080	poll => 'r',	2563	poll => 'r',
2081	prio => 5,	2564	prio => 6,
2082	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2083	cb => \&IO::AIO::poll_cb,	2566	cb => \&IO::AIO::poll_cb,
2084	);	2567	);
2085		2568
2086	Event->timer (	2569	$WRITE_RUNTIME_WATCHER = Event->timer (
		2570	reentrant => 0,
2087	data => WF_AUTOCANCEL,	2571	data => WF_AUTOCANCEL,
2088	after => 0,	2572	after => 1,
2089	interval => 10,	2573	interval => 10,
2090	cb => sub {	2574	prio => 6, # keep it lowest so it acts like a watchdog
2091	(Coro::unblock_sub {	2575	cb => Coro::unblock_sub {
2092	write_runtime	2576	write_runtime
2093	or warn "ERROR: unable to write runtime file: $!";	2577	or warn "ERROR: unable to write runtime file: $!";
2094	})->();
2095	},	2578	},
2096	);	2579	);
2097		2580
		2581	END { cf::emergency_save }
		2582
2098	1	2583	1
2099		2584

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