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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.133 by root, Thu Jan 4 16:19:32 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 $RANDOM_MAPS = cf::localdir . "/random";	63	our $RANDOM_MAPS = cf::localdir . "/random";
55	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
56		70
57	binmode STDOUT;	71	binmode STDOUT;
58	binmode STDERR;	72	binmode STDERR;
59		73
60	# read virtual server time, if available	74	# read virtual server time, if available
…		…
68	mkdir cf::localdir . "/" . cf::playerdir;	82	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	83	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	84	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	85	mkdir $RANDOM_MAPS;
72		86
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	87	our $EMERGENCY_POSITION;
		88
		89	sub cf::map::normalise;
76		90
77	#############################################################################	91	#############################################################################
78		92
79	=head2 GLOBAL VARIABLES	93	=head2 GLOBAL VARIABLES
80		94
…		…
104		118
105	=item %cf::CFG	119	=item %cf::CFG
106		120
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	121	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		130
110	=back	131	=back
111		132
112	=cut	133	=cut
113		134
…		…
117	utf8::encode $msg;	138	utf8::encode $msg;
118		139
119	$msg .= "\n"	140	$msg .= "\n"
120	unless $msg =~ /\n$/;	141	unless $msg =~ /\n$/;
121		142
122	LOG llevError, "cfperl: $msg";	143	LOG llevError, $msg;
123	};	144	};
124	}	145	}
125		146
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		166
146	$Event::DIED = sub {	167	$Event::DIED = sub {
147	warn "error in event callback: @_";	168	warn "error in event callback: @_";
148	};	169	};
149		170
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	171	=head2 UTILITY FUNCTIONS
155		172
156	=over 4	173	=over 4
157		174
		175	=item dumpval $ref
		176
158	=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	}
159		197
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	198	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		199
162	=item $ref = cf::from_json $json	200	=item $ref = cf::from_json $json
163		201
…		…
179	sub to_json($) {	217	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]	219	JSON::Syck::Dump $_[0]
182	}	220	}
183		221
184	=item my $guard = cf::guard { BLOCK }
185
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205
206	=item cf::lock_wait $string	222	=item cf::lock_wait $string
207		223
208	Wait until the given lock is available. See cf::lock_acquire.	224	Wait until the given lock is available. See cf::lock_acquire.
209		225
210	=item my $lock = cf::lock_acquire $string	226	=item my $lock = cf::lock_acquire $string
211		227
212	Wait until the given lock is available and then acquires it and returns	228	Wait until the given lock is available and then acquires it and returns
213	a guard object. If the guard object gets destroyed (goes out of scope,	229	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
214	for example when the coroutine gets canceled), the lock is automatically	230	for example when the coroutine gets canceled), the lock is automatically
215	returned.	231	returned.
216		232
217	Lock names should begin with a unique identifier (for example, cf::map::find	233	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	234	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	253	# wait, to be sure we are not locked
238	lock_wait $key;	254	lock_wait $key;
239		255
240	$LOCK{$key} = [];	256	$LOCK{$key} = [];
241		257
242	cf::guard {	258	Coro::guard {
243	# wake up all waiters, to be on the safe side	259	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	260	$_->ready for @{ delete $LOCK{$key} };
245	}	261	}
246	}	262	}
247		263
248	=item cf::async { BLOCK }
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {	264	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	265	return unless $TICK_WATCHER->is_active;
266		266
267	my $guard = guard { $TICK_WATCHER->start };	267	my $guard = Coro::guard {
		268	$TICK_WATCHER->start;
		269	$WRITE_RUNTIME_WATCHER->start;
		270	};
		271	$WRITE_RUNTIME_WATCHER->stop;
268	$TICK_WATCHER->stop;	272	$TICK_WATCHER->stop;
269	$guard	273	$guard
270	}	274	}
		275
		276	=item cf::async { BLOCK }
		277
		278	Currently the same as Coro::async_pool, meaning you cannot use
		279	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		280	thing you are allowed to do is call C<prio> on it.
		281
		282	=cut
		283
		284	BEGIN { *async = \&Coro::async_pool }
271		285
272	=item cf::sync_job { BLOCK }	286	=item cf::sync_job { BLOCK }
273		287
274	The design of crossfire+ requires that the main coro ($Coro::main) is	288	The design of crossfire+ requires that the main coro ($Coro::main) is
275	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
…		…
294	my $freeze_guard = freeze_mainloop;	308	my $freeze_guard = freeze_mainloop;
295		309
296	my $busy = 1;	310	my $busy = 1;
297	my @res;	311	my @res;
298		312
299	(Coro::async {	313	(async {
300	@res = eval { $job->() };	314	@res = eval { $job->() };
301	warn $@ if $@;	315	warn $@ if $@;
302	undef $busy;	316	undef $busy;
303	})->prio (Coro::PRIO_MAX);	317	})->prio (Coro::PRIO_MAX);
304		318
305	while ($busy) {	319	while ($busy) {
306	Coro::cede_notself;	320	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	321	}
309		322
310	wantarray ? @res : $res[0]	323	wantarray ? @res : $res[0]
311	} else {	324	} else {
312	# we are in another coroutine, how wonderful, everything just works	325	# we are in another coroutine, how wonderful, everything just works
313		326
314	$job->()	327	$job->()
315	}	328	}
316	}	329	}
317		330
318	=item $coro = cf::coro { BLOCK }	331	=item $coro = cf::async_ext { BLOCK }
319		332
320	Creates and returns a new coro. This coro is automcatially being canceled	333	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	334	extension calling this is being unloaded.
322		335
323	=cut	336	=cut
324		337
325	sub coro(&) {	338	sub async_ext(&) {
326	my $cb = shift;	339	my $cb = shift;
327		340
328	my $coro = &cf::async ($cb);	341	my $coro = &Coro::async ($cb);
329		342
330	$coro->on_destroy (sub {	343	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	344	delete $EXT_CORO{$coro+0};
332	});	345	});
333	$EXT_CORO{$coro+0} = $coro;	346	$EXT_CORO{$coro+0} = $coro;
…		…
339	my $runtime = cf::localdir . "/runtime";	352	my $runtime = cf::localdir . "/runtime";
340		353
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	355	or return;
343		356
		357	my $value = $cf::RUNTIME + 90 + 10;
344	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
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	361	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	362	and return;
347		363
		364	# always fsync - this file is important
348	aio_fsync $fh	365	aio_fsync $fh
349	and return;	366	and return;
350		367
351	close $fh	368	close $fh
352	or return;	369	or return;
…		…
358	}	375	}
359		376
360	=back	377	=back
361		378
362	=cut	379	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		380
484	#############################################################################	381	#############################################################################
485		382
486	=head2 ATTACHABLE OBJECTS	383	=head2 ATTACHABLE OBJECTS
487		384
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	510	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	511	our @CB_MAP = ();
615		512
616	my %attachment;	513	my %attachment;
617		514
		515	sub cf::attachable::thawer_merge {
		516	# simply override everything except _meta
		517	local $_[0]{_meta};
		518	%{$_[0]} = %{$_[1]};
		519	}
		520
618	sub _attach_cb($$$$) {	521	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	522	my ($registry, $event, $prio, $cb) = @_;
620		523
621	use sort 'stable';	524	use sort 'stable';
622		525
…		…
793	# object support	696	# object support
794		697
795	sub reattach {	698	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	699	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	700	my ($obj) = @_;
		701
		702	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		703
799	my $registry = $obj->registry;	704	my $registry = $obj->registry;
800		705
801	@$registry = ();	706	@$registry = ();
802		707
…		…
849	$filename, length $$rdata, scalar @$objs;	754	$filename, length $$rdata, scalar @$objs;
850		755
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	757	chmod SAVE_MODE, $fh;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
854	aio_fsync $fh;	759	aio_fsync $fh if $cf::USE_FSYNC;
855	close $fh;	760	close $fh;
856		761
857	if (@$objs) {	762	if (@$objs) {
858	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) {
859	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	765	my $data = Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	766	aio_write $fh, 0, (length $data), $data, 0;
862	aio_fsync $fh;	767	aio_fsync $fh if $cf::USE_FSYNC;
863	close $fh;	768	close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	769	aio_rename "$filename.pst~", "$filename.pst";
865	}	770	}
866	} else {	771	} else {
867	aio_unlink "$filename.pst";	772	aio_unlink "$filename.pst";
…		…
873	}	778	}
874	} else {	779	} else {
875	aio_unlink $filename;	780	aio_unlink $filename;
876	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
877	}	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	}
878	}	789	}
879	}	790	}
880		791
881	sub object_freezer_as_string {	792	sub object_freezer_as_string {
882	my ($rdata, $objs) = @_;	793	my ($rdata, $objs) = @_;
…		…
888		799
889	sub object_thawer_load {	800	sub object_thawer_load {
890	my ($filename) = @_;	801	my ($filename) = @_;
891		802
892	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$//;
893		807
894	(aio_load $filename, $data) >= 0	808	(aio_load $filename, $data) >= 0
895	or return;	809	or return;
896		810
897	unless (aio_stat "$filename.pst") {	811	unless (aio_stat "$filename.pst") {
…		…
934	=cut	848	=cut
935		849
936	sub register_extcmd {	850	sub register_extcmd {
937	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
938		852
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
943	}	854	}
944		855
945	cf::player->attach (	856	cf::player->attach (
946	on_command => sub {	857	on_command => sub {
947	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
960		871
961	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
962		873
963	if (ref $msg) {	874	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	878	}
968	}	879	}
969	} else {	880	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		883
973	cf::override;	884	cf::override;
974	},	885	},
975	);	886	);
976		887
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	888	sub load_extension {
984	my ($path) = @_;	889	my ($path) = @_;
985		890
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	892	my $base = $1;
988	my $pkg = $1;	893	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
991		896
992	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
993		898
994	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
995	or die "$path: $!";	900	or die "$path: $!";
996		901
997	my $source =	902	my $source =
998	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
1001	. "\n};\n1";	906	. "\n};\n1";
1002		907
1003	eval $source	908	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	910	: "extension disabled.\n";
1006		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	912	warn $@;
1008	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
1009		914	exit 1;
1010	# no strict 'refs';	915	}
1011	# @{"$pkg\::ISA"} = ext::;	916	die $@;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	917	}
1026		918
1027	# remove commands	919	push @EXTS, $pkg;
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	920	}
1052		921
1053	sub load_extensions {	922	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	924	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1060	}	929	}
1061	}	930	}
1062		931
1063	#############################################################################	932	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100		933
1101	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1102		935
1103	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1104		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1105	=head3 cf::player	944	=head3 cf::player
1106		945
1107	=over 4	946	=over 4
1108		947
1109	=item cf::player::exists $login	948	=item cf::player::find $login
1110		949
1111	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1112		951
1113	=cut	952	=cut
1114		953
1115	sub cf::player::exists($) {	954	sub playerdir($) {
1116	cf::player::find $_[0]	955	cf::localdir
1117	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
1118	}	1102	}
1119		1103
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1104	=item $player->ext_reply ($msgid, $msgtype, %msg)
1121		1105
1122	Sends an ext reply to the player.	1106	Sends an ext reply to the player.
1123		1107
1124	=cut	1108	=cut
1125		1109
1126	sub cf::player::ext_reply($$$%) {	1110	sub ext_reply($$$%) {
1127	my ($self, $id, %msg) = @_;	1111	my ($self, $id, %msg) = @_;
1128		1112
1129	$msg{msgid} = $id;	1113	$msg{msgid} = $id;
1130		1114
1131	$self->send ("ext " . to_json \%msg);	1115	$self->send ("ext " . cf::to_json \%msg);
1132	}	1116	}
		1117
		1118	package cf;
1133		1119
1134	=back	1120	=back
1135		1121
1136		1122
1137	=head3 cf::map	1123	=head3 cf::map
…		…
1143	package cf::map;	1129	package cf::map;
1144		1130
1145	use Fcntl;	1131	use Fcntl;
1146	use Coro::AIO;	1132	use Coro::AIO;
1147		1133
		1134	use overload
		1135	'""' => \&as_string,
		1136	fallback => 1;
		1137
1148	our $MAX_RESET = 3600;	1138	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1139	our $DEFAULT_RESET = 3000;
1150		1140
1151	sub generate_random_map {	1141	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1142	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1143	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1144	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1148	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1149	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1152	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$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},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1154	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(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
1168	}	1286	}
1169		1287
1170	# and all this just because we cannot iterate over	1288	# and all this just because we cannot iterate over
1171	# all maps in C++...	1289	# all maps in C++...
1172	sub change_all_map_light {	1290	sub change_all_map_light {
…		…
1174		1292
1175	$_->change_map_light ($change)	1293	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1294	for grep $_->outdoor, values %cf::MAP;
1177	}	1295	}
1178		1296
		1297	sub unlink_save {
		1298	my ($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
1179	sub try_load_header($) {	1310	sub load_header_from($) {
1180	my ($path) = @_;	1311	my ($self, $path) = @_;
1181		1312
1182	utf8::encode $path;	1313	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1314	#aio_open $path, O_RDONLY, 0
		1315	# or return;
		1316
		1317	$self->_load_header ($path)
1184	or return;	1318	or return;
1185		1319
1186	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
1187	or return;	1363	or return;
		1364	$self->prepare_orig;
		1365	}
1188		1366
1189	$map->load_header ($path)	1367	1
1190	or return;
1191
1192	$map->{load_path} = $path;
1193
1194	$map
1195	}	1368	}
1196		1369
1197	sub find;	1370	sub find;
1198	sub find {	1371	sub find {
1199	my ($path, $origin) = @_;	1372	my ($path, $origin) = @_;
1200		1373
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1374	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1375
1206	cf::lock_wait "map_find:$key";	1376	cf::lock_wait "map_find:$path";
1207		1377
1208	$cf::MAP{$key} || do {	1378	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1379	my $guard = cf::lock_acquire "map_find:$path";
1210		1380	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	if ($map) {
1215	$map->last_access ((delete $map->{last_access})
1216	|| $cf::RUNTIME); #d#
1217	# safety
1218	$map->{instantiate_time} = $cf::RUNTIME
1219	if $map->{instantiate_time} > $cf::RUNTIME;
1220	} else {
1221	if (my $rmp = $path->random_map_params) {
1222	$map = generate_random_map $key, $rmp;
1223	} else {
1224	$map = try_load_header $path->load_path;
1225	}
1226
1227	$map or return;	1381	or return;
1228		1382
1229	$map->{load_original} = 1;
1230	$map->{instantiate_time} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232	$map->instantiate;
1233
1234	# per-player maps become, after loading, normal maps
1235	$map->per_player (0) if $path->{user_rel};
1236	}
1237
1238	$map->path ($key);
1239	$map->{path} = $path;
1240	$map->{last_save} = $cf::RUNTIME;	1383	$map->{last_save} = $cf::RUNTIME;
1241		1384
1242	if ($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;
1243	$map->reset;	1391	$map->reset;
1244	undef $guard;	1392	undef $guard;
1245	$map = find $path	1393	return find $path;
1246	or return;
1247	}	1394	}
1248		1395
1249	$cf::MAP{$key} = $map	1396	$cf::MAP{$path} = $map
1250	}	1397	}
1251	}	1398	}
		1399
		1400	sub pre_load { }
		1401	sub post_load { }
1252		1402
1253	sub load {	1403	sub load {
1254	my ($self) = @_;	1404	my ($self) = @_;
1255		1405
		1406	local $self->{deny_reset} = 1; # loading can take a long time
		1407
1256	my $path = $self->{path};	1408	my $path = $self->{path};
1257	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1409	my $guard = cf::lock_acquire "map_load:$path";
1258		1410
1259	return if $self->in_memory != cf::MAP_SWAPPED;	1411	return if $self->in_memory != cf::MAP_SWAPPED;
1260		1412
1261	$self->in_memory (cf::MAP_LOADING);	1413	$self->in_memory (cf::MAP_LOADING);
1262		1414
1263	$self->alloc;	1415	$self->alloc;
		1416
		1417	$self->pre_load;
		1418
1264	$self->load_objects ($self->{load_path}, 1)	1419	$self->_load_objects ($self->{load_path}, 1)
1265	or return;	1420	or return;
1266		1421
1267	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1268	if delete $self->{load_original};	1423	if delete $self->{load_original};
1269		1424
1270	if (my $uniq = $path->uniq_path) {	1425	if (my $uniq = $self->uniq_path) {
1271	utf8::encode $uniq;	1426	utf8::encode $uniq;
1272	if (aio_open $uniq, O_RDONLY, 0) {	1427	if (aio_open $uniq, O_RDONLY, 0) {
1273	$self->clear_unique_items;	1428	$self->clear_unique_items;
1274	$self->load_objects ($uniq, 0);	1429	$self->_load_objects ($uniq, 0);
1275	}	1430	}
1276	}	1431	}
		1432
		1433	Coro::cede;
1277		1434
1278	# now do the right thing for maps	1435	# now do the right thing for maps
1279	$self->link_multipart_objects;	1436	$self->link_multipart_objects;
1280		1437
1281	if ($self->{path}->is_style_map) {	1438	unless ($self->{deny_activate}) {
1282	$self->{deny_save} = 1;	1439	$self->decay_objects;
1283	$self->{deny_reset} = 1;
1284	} else {
1285	$self->fix_auto_apply;	1440	$self->fix_auto_apply;
1286	$self->decay_objects;
1287	$self->update_buttons;	1441	$self->update_buttons;
		1442	Coro::cede;
1288	$self->set_darkness_map;	1443	$self->set_darkness_map;
1289	$self->difficulty ($self->estimate_difficulty)	1444	$self->difficulty ($self->estimate_difficulty)
1290	unless $self->difficulty;	1445	unless $self->difficulty;
		1446	Coro::cede;
1291	$self->activate;	1447	$self->activate;
1292	}	1448	}
1293		1449
		1450	$self->post_load;
		1451
1294	$self->in_memory (cf::MAP_IN_MEMORY);	1452	$self->in_memory (cf::MAP_IN_MEMORY);
		1453	}
		1454
		1455	sub customise_for {
		1456	my ($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	$neigh->load;
		1485	}
1295	}	1486	}
1296		1487
1297	sub find_sync {	1488	sub find_sync {
1298	my ($path, $origin) = @_;	1489	my ($path, $origin) = @_;
1299		1490
1300	cf::sync_job { cf::map::find $path, $origin }	1491	cf::sync_job { find $path, $origin }
1301	}	1492	}
1302		1493
1303	sub do_load_sync {	1494	sub do_load_sync {
1304	my ($map) = @_;	1495	my ($map) = @_;
1305		1496
1306	cf::sync_job { $map->load };	1497	cf::sync_job { $map->load };
1307	}	1498	}
1308		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;
		1518	$map->load;
		1519
		1520	delete $MAP_PREFETCH{$path};
		1521	}
		1522	}
		1523	undef $MAP_PREFETCHER;
		1524	};
		1525	$MAP_PREFETCHER->prio (6);
		1526
		1527	()
		1528	}
		1529
1309	sub save {	1530	sub save {
1310	my ($self) = @_;	1531	my ($self) = @_;
1311		1532
		1533	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1534
1312	$self->{last_save} = $cf::RUNTIME;	1535	$self->{last_save} = $cf::RUNTIME;
1313		1536
1314	return unless $self->dirty;	1537	return unless $self->dirty;
1315		1538
1316	my $save = $self->{path}->save_path; utf8::encode $save;	1539	my $save = $self->save_path; utf8::encode $save;
1317	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1540	my $uniq = $self->uniq_path; utf8::encode $uniq;
1318		1541
1319	$self->{load_path} = $save;	1542	$self->{load_path} = $save;
1320		1543
1321	return if $self->{deny_save};	1544	return if $self->{deny_save};
1322		1545
1323	local $self->{last_access} = $self->last_access;#d#	1546	local $self->{last_access} = $self->last_access;#d#
1324		1547
		1548	cf::async {
		1549	$_->contr->save for $self->players;
		1550	};
		1551
1325	if ($uniq) {	1552	if ($uniq) {
1326	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1327	$self->save_objects ($uniq, cf::IO_UNIQUES);	1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1328	} else {	1555	} else {
1329	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1330	}	1557	}
1331	}	1558	}
1332		1559
1333	sub swap_out {	1560	sub swap_out {
1334	my ($self) = @_;	1561	my ($self) = @_;
1335		1562
1336	# save first because save cedes	1563	# save first because save cedes
1337	$self->save;	1564	$self->save;
		1565
		1566	my $lock = cf::lock_acquire "map_data:" . $self->path;
1338		1567
1339	return if $self->players;	1568	return if $self->players;
1340	return if $self->in_memory != cf::MAP_IN_MEMORY;	1569	return if $self->in_memory != cf::MAP_IN_MEMORY;
1341	return if $self->{deny_save};	1570	return if $self->{deny_save};
1342		1571
…		…
1346		1575
1347	sub reset_at {	1576	sub reset_at {
1348	my ($self) = @_;	1577	my ($self) = @_;
1349		1578
1350	# TODO: safety, remove and allow resettable per-player maps	1579	# TODO: safety, remove and allow resettable per-player maps
1351	return 1e99 if $self->{path}{user_rel};	1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1352	return 1e99 if $self->{deny_reset};	1581	return 1e99 if $self->{deny_reset};
1353		1582
1354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1356		1585
…		…
1361	my ($self) = @_;	1590	my ($self) = @_;
1362		1591
1363	$self->reset_at <= $cf::RUNTIME	1592	$self->reset_at <= $cf::RUNTIME
1364	}	1593	}
1365		1594
1366	sub unlink_save {
1367	my ($self) = @_;
1368
1369	utf8::encode (my $save = $self->{path}->save_path);
1370	aioreq_pri 3; IO::AIO::aio_unlink $save;
1371	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1372	}
1373
1374	sub rename {
1375	my ($self, $new_path) = @_;
1376
1377	$self->unlink_save;
1378
1379	delete $cf::MAP{$self->path};
1380	$self->{path} = new cf::path $new_path;
1381	$self->path ($self->{path}->as_string);
1382	$cf::MAP{$self->path} = $self;
1383
1384	$self->save;
1385	}
1386
1387	sub reset {	1595	sub reset {
1388	my ($self) = @_;	1596	my ($self) = @_;
1389		1597
		1598	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1599
1390	return if $self->players;	1600	return if $self->players;
1391	return if $self->{path}{user_rel};#d#	1601	return if $self->isa ("ext::map_per_player");#d#
1392		1602
1393	warn "resetting map ", $self->path;#d#	1603	warn "resetting map ", $self->path;#d#
1394		1604
1395	delete $cf::MAP{$self->path};	1605	delete $cf::MAP{$self->path};
		1606
		1607	$self->in_memory (cf::MAP_SWAPPED);
		1608	$self->clear;
1396		1609
1397	$_->clear_links_to ($self) for values %cf::MAP;	1610	$_->clear_links_to ($self) for values %cf::MAP;
1398		1611
1399	$self->unlink_save;	1612	$self->unlink_save;
1400	$self->destroy;	1613	$self->destroy;
…		…
1403	my $nuke_counter = "aaaa";	1616	my $nuke_counter = "aaaa";
1404		1617
1405	sub nuke {	1618	sub nuke {
1406	my ($self) = @_;	1619	my ($self) = @_;
1407		1620
		1621	delete $cf::MAP{$self->path};
		1622
		1623	$self->unlink_save;
		1624
		1625	bless $self, "cf::map";
		1626	delete $self->{deny_reset};
1408	$self->{deny_save} = 1;	1627	$self->{deny_save} = 1;
1409	$self->reset_timeout (1);	1628	$self->reset_timeout (1);
1410	$self->rename ("{nuke}/" . ($nuke_counter++));	1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1630
		1631	$cf::MAP{$self->path} = $self;
		1632
1411	$self->reset; # polite request, might not happen	1633	$self->reset; # polite request, might not happen
1412	}	1634	}
1413		1635
1414	sub customise_for {	1636	=item cf::map::unique_maps
1415	my ($map, $ob) = @_;
1416		1637
1417	if ($map->per_player) {	1638	Returns an arrayref of paths of all shared maps that have
1418	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1639	instantiated unique items. May block.
1419	}
1420		1640
1421	$map	1641	=cut
1422	}
1423		1642
1424	sub emergency_save {	1643	sub unique_maps() {
1425	my $freeze_guard = cf::freeze_mainloop;	1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1645	or return;
1426		1646
1427	warn "enter emergency map save\n";	1647	my @paths;
1428		1648
1429	cf::sync_job {	1649	for (@$files) {
1430	warn "begin emergency map save\n";	1650	utf8::decode $_;
1431	$_->save for values %cf::MAP;	1651	next if /\.pst$/;
		1652	next unless /^$PATH_SEP/o;
		1653
		1654	push @paths, cf::map::normalise $_;
1432	};	1655	}
1433		1656
1434	warn "end emergency map save\n";	1657	\@paths
1435	}	1658	}
1436		1659
1437	package cf;	1660	package cf;
1438		1661
1439	=back	1662	=back
1440		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
1441		1690
1442	=head3 cf::object::player	1691	=head3 cf::object::player
1443		1692
1444	=over 4	1693	=over 4
1445		1694
…		…
1485		1734
1486	=item $player_object->enter_link	1735	=item $player_object->enter_link
1487		1736
1488	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}>).
1489		1738
1490	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
1491	I<MUST> call C<leave_link> as soon as possible, though.	1740	I<MUST> call C<leave_link> as soon as possible, though.
1492		1741
		1742	Will never block.
		1743
1493	=item $player_object->leave_link ($map, $x, $y)	1744	=item $player_object->leave_link ($map, $x, $y)
1494		1745
1495	Moves the player out of the specila link map onto the given map. If the	1746	Moves the player out of the special C<{link}> map onto the specified
1496	map is not valid (or omitted), the player will be moved back to the	1747	map. If the map is not valid (or omitted), the player will be moved back
1497	location he/she was before the call to C<enter_link>, or, if that fails,	1748	to the location he/she was before the call to C<enter_link>, or, if that
1498	to the emergency map position.	1749	fails, to the emergency map position.
1499		1750
1500	Might block.	1751	Might block.
1501		1752
1502	=cut	1753	=cut
		1754
		1755	sub link_map {
		1756	unless ($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	$LINK_MAP
		1763	}
1503		1764
1504	sub cf::object::player::enter_link {	1765	sub cf::object::player::enter_link {
1505	my ($self) = @_;	1766	my ($self) = @_;
1506		1767
1507	$self->deactivate_recursive;	1768	$self->deactivate_recursive;
1508		1769
1509	return if $self->map == $LINK_MAP;	1770	return if UNIVERSAL::isa $self->map, "ext::map_link";
1510		1771
1511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1512	if $self->map;	1773	if $self->map;
1513		1774
1514	$self->enter_map ($LINK_MAP, 20, 20);	1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1515	}	1776	}
1516		1777
1517	sub cf::object::player::leave_link {	1778	sub cf::object::player::leave_link {
1518	my ($self, $map, $x, $y) = @_;	1779	my ($self, $map, $x, $y) = @_;
1519		1780
…		…
1537	# use -1 or undef as default coordinates, not 0, 0	1798	# use -1 or undef as default coordinates, not 0, 0
1538	($x, $y) = ($map->enter_x, $map->enter_y)	1799	($x, $y) = ($map->enter_x, $map->enter_y)
1539	if $x <=0 && $y <= 0;	1800	if $x <=0 && $y <= 0;
1540		1801
1541	$map->load;	1802	$map->load;
		1803	$map->load_diag;
1542		1804
		1805	return unless $self->contr->active;
1543	$self->activate_recursive;	1806	$self->activate_recursive;
1544	$self->enter_map ($map, $x, $y);	1807	$self->enter_map ($map, $x, $y);
1545	}	1808	}
1546		1809
1547	cf::player->attach (	1810	cf::player->attach (
…		…
1560		1823
1561	# try to abort aborted map switching on player login :)	1824	# try to abort aborted map switching on player login :)
1562	# should happen only on crashes	1825	# should happen only on crashes
1563	if ($pl->ob->{_link_pos}) {	1826	if ($pl->ob->{_link_pos}) {
1564	$pl->ob->enter_link;	1827	$pl->ob->enter_link;
1565	cf::async {	1828	(async {
1566	# we need this sleep as the login has a concurrent enter_exit running	1829	# we need this sleep as the login has a concurrent enter_exit running
1567	# and this sleep increases chances of the player not ending up in scorn	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);
1568	Coro::Timer::sleep 1;	1835	Coro::Timer::sleep 1;
1569	$pl->ob->leave_link;	1836	$pl->ob->leave_link;
1570	};	1837	})->prio (2);
1571	}	1838	}
1572	},	1839	},
1573	);	1840	);
1574		1841
1575	=item $player_object->goto_map ($path, $x, $y)	1842	=item $player_object->goto ($path, $x, $y)
1576		1843
1577	=cut	1844	=cut
1578		1845
1579	sub cf::object::player::goto_map {	1846	sub cf::object::player::goto {
1580	my ($self, $path, $x, $y) = @_;	1847	my ($self, $path, $x, $y) = @_;
1581		1848
1582	$self->enter_link;	1849	$self->enter_link;
1583		1850
1584	(cf::async {	1851	(async {
1585	$path = new cf::path $path;	1852	my $map = eval {
1586
1587	my $map = cf::map::find $path->as_string;	1853	my $map = cf::map::find $path;
1588	$map = $map->customise_for ($self) if $map;	1854	$map = $map->customise_for ($self) if $map;
1589		1855	$map
1590	# warn "entering ", $map->path, " at ($x, $y)\n"	1856	} or
1591	# if $map;
1592
1593	$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);
1594		1858
1595	$self->leave_link ($map, $x, $y);	1859	$self->leave_link ($map, $x, $y);
1596	})->prio (1);	1860	})->prio (1);
1597	}	1861	}
1598		1862
…		…
1602		1866
1603	sub parse_random_map_params {	1867	sub parse_random_map_params {
1604	my ($spec) = @_;	1868	my ($spec) = @_;
1605		1869
1606	my $rmp = { # defaults	1870	my $rmp = { # defaults
1607	xsize => 10,	1871	xsize => (cf::rndm 15, 40),
1608	ysize => 10,	1872	ysize => (cf::rndm 15, 40),
		1873	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1874	#layout => string,
1609	};	1875	};
1610		1876
1611	for (split /\n/, $spec) {	1877	for (split /\n/, $spec) {
1612	my ($k, $v) = split /\s+/, $_, 2;	1878	my ($k, $v) = split /\s+/, $_, 2;
1613		1879
…		…
1617	$rmp	1883	$rmp
1618	}	1884	}
1619		1885
1620	sub prepare_random_map {	1886	sub prepare_random_map {
1621	my ($exit) = @_;	1887	my ($exit) = @_;
		1888
		1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1622		1890
1623	# all this does is basically replace the /! path by	1891	# all this does is basically replace the /! path by
1624	# a new random map path (?random/...) with a seed	1892	# a new random map path (?random/...) with a seed
1625	# that depends on the exit object	1893	# that depends on the exit object
1626		1894
1627	my $rmp = parse_random_map_params $exit->msg;	1895	my $rmp = parse_random_map_params $exit->msg;
1628		1896
1629	if ($exit->map) {	1897	if ($exit->map) {
1630	$rmp->{region} = $exit->map->region_name;	1898	$rmp->{region} = $exit->region->name;
1631	$rmp->{origin_map} = $exit->map->path;	1899	$rmp->{origin_map} = $exit->map->path;
1632	$rmp->{origin_x} = $exit->x;	1900	$rmp->{origin_x} = $exit->x;
1633	$rmp->{origin_y} = $exit->y;	1901	$rmp->{origin_y} = $exit->y;
1634	}	1902	}
1635		1903
1636	$rmp->{random_seed} ||= $exit->random_seed;	1904	$rmp->{random_seed} ||= $exit->random_seed;
1637		1905
1638	my $data = cf::to_json $rmp;	1906	my $data = cf::to_json $rmp;
1639	my $md5 = Digest::MD5::md5_hex $data;	1907	my $md5 = Digest::MD5::md5_hex $data;
		1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1640		1909
1641	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) {
1642	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;
1643		1914
1644	$exit->slaying ("?random/$md5");	1915	$exit->slaying ("?random/$md5");
1645	$exit->msg (undef);	1916	$exit->msg (undef);
1646	}	1917	}
1647	}	1918	}
…		…
1649	sub cf::object::player::enter_exit {	1920	sub cf::object::player::enter_exit {
1650	my ($self, $exit) = @_;	1921	my ($self, $exit) = @_;
1651		1922
1652	return unless $self->type == cf::PLAYER;	1923	return unless $self->type == cf::PLAYER;
1653		1924
		1925	if ($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
1654	$self->enter_link;	1934	$self->enter_link;
1655		1935
1656	(cf::async {	1936	(async {
1657	$self->deactivate_recursive; # just to be sure	1937	$self->deactivate_recursive; # just to be sure
1658	unless (eval {	1938	unless (eval {
1659	prepare_random_map $exit	1939	$self->goto ($slaying, $hp, $sp);
1660	if $exit->slaying eq "/!";
1661
1662	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1663	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1664		1940
1665	1;	1941	1;
1666	}) {	1942	}) {
1667	$self->message ("Something went wrong deep within the crossfire server. "	1943	$self->message ("Something went wrong deep within the crossfire server. "
1668	. "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. "
1669	. "Please report this to the dungeon master",	1945	. "Please report this to the dungeon master!",
1670	cf::NDI_UNIQUE | cf::NDI_RED);	1946	cf::NDI_UNIQUE | cf::NDI_RED);
1671		1947
1672	warn "ERROR in enter_exit: $@";	1948	warn "ERROR in enter_exit: $@";
1673	$self->leave_link;	1949	$self->leave_link;
1674	}	1950	}
…		…
1729	# get handled first	2005	# get handled first
1730	my $queue = delete $ns->{query_queue}	2006	my $queue = delete $ns->{query_queue}
1731	or return; # be conservative, not sure how that can happen, but we saw a crash here	2007	or return; # be conservative, not sure how that can happen, but we saw a crash here
1732		2008
1733	(shift @$queue)->[1]->($msg);	2009	(shift @$queue)->[1]->($msg);
		2010	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1734		2011
1735	push @{ $ns->{query_queue} }, @$queue;	2012	push @{ $ns->{query_queue} }, @$queue;
1736		2013
1737	if (@{ $ns->{query_queue} } == @$queue) {	2014	if (@{ $ns->{query_queue} } == @$queue) {
1738	if (@$queue) {	2015	if (@$queue) {
…		…
1742	}	2019	}
1743	}	2020	}
1744	},	2021	},
1745	);	2022	);
1746		2023
1747	=item $client->coro (\&cb)	2024	=item $client->async (\&cb)
1748		2025
1749	Create a new coroutine, running the specified callback. The coroutine will	2026	Create a new coroutine, running the specified callback. The coroutine will
1750	be automatically cancelled when the client gets destroyed (e.g. on logout,	2027	be automatically cancelled when the client gets destroyed (e.g. on logout,
1751	or loss of connection).	2028	or loss of connection).
1752		2029
1753	=cut	2030	=cut
1754		2031
1755	sub cf::client::coro {	2032	sub cf::client::async {
1756	my ($self, $cb) = @_;	2033	my ($self, $cb) = @_;
1757		2034
1758	my $coro = &cf::async ($cb);	2035	my $coro = &Coro::async ($cb);
1759		2036
1760	$coro->on_destroy (sub {	2037	$coro->on_destroy (sub {
1761	delete $self->{_coro}{$coro+0};	2038	delete $self->{_coro}{$coro+0};
1762	});	2039	});
1763		2040
…		…
1957	sub db_sync() {	2234	sub db_sync() {
1958	db_save if $dirty;	2235	db_save if $dirty;
1959	undef $dirty;	2236	undef $dirty;
1960	}	2237	}
1961		2238
1962	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2239	my $idle = Event->idle (
1963	db_sync;	2240	reentrant => 0,
		2241	min => 10,
		2242	max => 20,
		2243	repeat => 0,
		2244	data => WF_AUTOCANCEL,
		2245	cb => \&db_sync,
1964	});	2246	);
1965		2247
1966	sub db_dirty() {	2248	sub db_dirty() {
1967	$dirty = 1;	2249	$dirty = 1;
1968	$idle->start;	2250	$idle->start;
1969	}	2251	}
…		…
1990	},	2272	},
1991	);	2273	);
1992	}	2274	}
1993		2275
1994	#############################################################################	2276	#############################################################################
1995	# 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	}
1996		2283
1997	sub cfg_load {	2284	sub cfg_load {
1998	open my $fh, "<:utf8", cf::confdir . "/config"	2285	open my $fh, "<:utf8", cf::confdir . "/config"
1999	or return;	2286	or return;
2000		2287
2001	local $/;	2288	local $/;
2002	*CFG = YAML::Syck::Load <$fh>;	2289	*CFG = YAML::Syck::Load <$fh>;
2003		2290
2004	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2005		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
2006	if (exists $CFG{mlockall}) {	2296	if (exists $CFG{mlockall}) {
2007	eval {	2297	eval {
2008	$CFG{mlockall} ? &mlockall : &munlockall	2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2009	and die "WARNING: m(un)lockall failed: $!\n";	2299	and die "WARNING: m(un)lockall failed: $!\n";
2010	};	2300	};
2011	warn $@ if $@;	2301	warn $@ if $@;
2012	}	2302	}
		2303	}
		2304
		2305	sub init {
		2306	load_resources;
2013	}	2307	}
2014		2308
2015	sub main {	2309	sub main {
2016	# we must not ever block the main coroutine	2310	# we must not ever block the main coroutine
2017	local $Coro::idle = sub {	2311	local $Coro::idle = sub {
2018	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#
2019	(Coro::unblock_sub {	2313	(async {
2020	Event::one_event;	2314	Event::one_event;
2021	})->();	2315	})->prio (Coro::PRIO_MAX);
2022	};	2316	};
2023		2317
2024	cfg_load;	2318	cfg_load;
2025	db_load;	2319	db_load;
2026	load_extensions;	2320	load_extensions;
		2321
		2322	$TICK_WATCHER->start;
2027	Event::loop;	2323	Event::loop;
2028	}	2324	}
2029		2325
2030	#############################################################################	2326	#############################################################################
2031	# 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	$map->save;
		2366	}
		2367	warn "end emergency map save\n";
		2368	};
		2369
		2370	warn "leave emergency perl save\n";
		2371	}
2032		2372
2033	sub reload() {	2373	sub reload() {
2034	# can/must only be called in main	2374	# can/must only be called in main
2035	if ($Coro::current != $Coro::main) {	2375	if ($Coro::current != $Coro::main) {
2036	warn "can only reload from main coroutine\n";	2376	warn "can only reload from main coroutine";
2037	return;	2377	return;
2038	}	2378	}
2039		2379
2040	warn "reloading...";	2380	warn "reloading...";
2041		2381
2042	my $guard = freeze_mainloop;	2382	warn "cancelling server ticker";
		2383	$TICK_WATCHER->cancel;
		2384
2043	cf::emergency_save;	2385	cf::emergency_save;
2044		2386
2045	eval {	2387	eval {
2046	# 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
2047		2389
2048	# cancel all watchers	2390	warn "syncing database to disk";
		2391	cf::db_sync;
		2392
		2393	warn "cancelling all WF_AUTOCANCEL watchers";
2049	for (Event::all_watchers) {	2394	for (Event::all_watchers) {
2050	$_->cancel if $_->data & WF_AUTOCANCEL;	2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2051	}	2396	}
2052		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
2053	# cancel all extension coros	2406	warn "cancelling all extension coros";
2054	$_->cancel for values %EXT_CORO;	2407	$_->cancel for values %EXT_CORO;
2055	%EXT_CORO = ();	2408	%EXT_CORO = ();
2056		2409
2057	# unload all extensions	2410	warn "removing commands";
2058	for (@exts) {	2411	%COMMAND = ();
		2412
		2413	warn "removing ext commands";
		2414	%EXTCMD = ();
		2415
		2416	warn "unloading/nuking all extensions";
		2417	for my $pkg (@EXTS) {
2059	warn "unloading <$_>";	2418	warn "... unloading $pkg";
2060	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: $@";
2061	}	2425	}
2062		2426
		2427	warn "... nuking $pkg";
		2428	Symbol::delete_package $pkg;
		2429	}
		2430
2063	# unload all modules loaded from $LIBDIR	2431	warn "unloading all perl modules loaded from $LIBDIR";
2064	while (my ($k, $v) = each %INC) {	2432	while (my ($k, $v) = each %INC) {
2065	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2066		2434
2067	warn "removing <$k>";	2435	warn "... unloading $k";
2068	delete $INC{$k};	2436	delete $INC{$k};
2069		2437
2070	$k =~ s/\.pm$//;	2438	$k =~ s/\.pm$//;
2071	$k =~ s/\//::/g;	2439	$k =~ s/\//::/g;
2072		2440
…		…
2075	}	2443	}
2076		2444
2077	Symbol::delete_package $k;	2445	Symbol::delete_package $k;
2078	}	2446	}
2079		2447
2080	# sync database to disk
2081	cf::db_sync;
2082	IO::AIO::flush;
2083
2084	# get rid of safe::, as good as possible	2448	warn "getting rid of safe::, as good as possible";
2085	Symbol::delete_package "safe::$_"	2449	Symbol::delete_package "safe::$_"
2086	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);
2087		2451
2088	# remove register_script_function callbacks
2089	# TODO
2090
2091	# unload cf.pm "a bit"	2452	warn "unloading cf.pm \"a bit\"";
2092	delete $INC{"cf.pm"};	2453	delete $INC{"cf.pm"};
2093		2454
2094	# don't, removes xs symbols, too,	2455	# don't, removes xs symbols, too,
2095	# and global variables created in xs	2456	# and global variables created in xs
2096	#Symbol::delete_package __PACKAGE__;	2457	#Symbol::delete_package __PACKAGE__;
2097		2458
2098	# reload cf.pm	2459	warn "unload completed, starting to reload now";
		2460
2099	warn "reloading cf.pm";	2461	warn "reloading cf.pm";
2100	require cf;	2462	require cf;
2101	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2102		2464
2103	# load config and database again	2465	warn "loading config and database again";
2104	cf::cfg_load;	2466	cf::cfg_load;
2105	cf::db_load;	2467	cf::db_load;
2106		2468
2107	# load extensions
2108	warn "load extensions";	2469	warn "loading extensions";
2109	cf::load_extensions;	2470	cf::load_extensions;
2110		2471
2111	# reattach attachments to objects	2472	warn "reattaching attachments to objects/players";
2112	warn "reattach";
2113	_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	$TICK_WATCHER->start;
2114	};	2483	};
2115		2484
2116	if ($@) {	2485	if ($@) {
2117	warn $@;	2486	warn $@;
2118	warn "error while reloading, exiting.";	2487	warn "error while reloading, exiting.";
2119	exit 1;	2488	exit 1;
2120	}	2489	}
2121		2490
2122	warn "reloaded successfully";	2491	warn "reloaded";
2123	};	2492	};
2124		2493
2125	#############################################################################	2494	our $RELOAD_WATCHER; # used only during reload
2126
2127	unless ($LINK_MAP) {
2128	$LINK_MAP = cf::map::new;
2129
2130	$LINK_MAP->width (41);
2131	$LINK_MAP->height (41);
2132	$LINK_MAP->alloc;
2133	$LINK_MAP->path ("{link}");
2134	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2135	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2136
2137	# dirty hack because... archetypes are not yet loaded
2138	Event->timer (
2139	after => 2,
2140	cb => sub {
2141	$_[0]->w->cancel;
2142
2143	# provide some exits "home"
2144	my $exit = cf::object::new "exit";
2145
2146	$exit->slaying ($EMERGENCY_POSITION->[0]);
2147	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2148	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2149
2150	$LINK_MAP->insert ($exit->clone, 19, 19);
2151	$LINK_MAP->insert ($exit->clone, 19, 20);
2152	$LINK_MAP->insert ($exit->clone, 19, 21);
2153	$LINK_MAP->insert ($exit->clone, 20, 19);
2154	$LINK_MAP->insert ($exit->clone, 20, 21);
2155	$LINK_MAP->insert ($exit->clone, 21, 19);
2156	$LINK_MAP->insert ($exit->clone, 21, 20);
2157	$LINK_MAP->insert ($exit->clone, 21, 21);
2158
2159	$exit->destroy;
2160	});
2161
2162	$LINK_MAP->{deny_save} = 1;
2163	$LINK_MAP->{deny_reset} = 1;
2164
2165	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2166	}
2167
2168	register "<global>", __PACKAGE__;
2169		2495
2170	register_command "reload" => sub {	2496	register_command "reload" => sub {
2171	my ($who, $arg) = @_;	2497	my ($who, $arg) = @_;
2172		2498
2173	if ($who->flag (FLAG_WIZ)) {	2499	if ($who->flag (FLAG_WIZ)) {
2174	$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 {
2175	reload;	2510	reload;
2176	$who->message ("end of reload.");	2511	undef $RELOAD_WATCHER;
		2512	},
		2513	);
2177	}	2514	}
2178	};	2515	};
2179		2516
2180	unshift @INC, $LIBDIR;	2517	unshift @INC, $LIBDIR;
		2518
		2519	my $bug_warning = 0;
2181		2520
2182	$TICK_WATCHER = Event->timer (	2521	$TICK_WATCHER = Event->timer (
2183	reentrant => 0,	2522	reentrant => 0,
		2523	parked => 1,
2184	prio => 0,	2524	prio => 0,
2185	at => $NEXT_TICK || $TICK,	2525	at => $NEXT_TICK || $TICK,
2186	data => WF_AUTOCANCEL,	2526	data => WF_AUTOCANCEL,
2187	cb => sub {	2527	cb => sub {
		2528	if ($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
2188	cf::server_tick; # one server iteration	2536	cf::server_tick; # one server iteration
2189	$RUNTIME += $TICK;	2537	$RUNTIME += $TICK;
2190	$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#
2191		2548
2192	# 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
2193	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2194		2551
2195	$TICK_WATCHER->at ($NEXT_TICK);	2552	$TICK_WATCHER->at ($NEXT_TICK);
2196	$TICK_WATCHER->start;	2553	$TICK_WATCHER->start;
2197	},	2554	},
2198	);	2555	);
2199		2556
2200	IO::AIO::max_poll_time $TICK * 0.2;	2557	IO::AIO::max_poll_time $TICK * 0.1;
2201		2558
2202	Event->io (	2559	undef $Coro::AIO::WATCHER;
		2560	$AIO_POLL_WATCHER = Event->io (
		2561	reentrant => 0,
2203	fd => IO::AIO::poll_fileno,	2562	fd => IO::AIO::poll_fileno,
2204	poll => 'r',	2563	poll => 'r',
2205	prio => 5,	2564	prio => 6,
2206	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2207	cb => \&IO::AIO::poll_cb,	2566	cb => \&IO::AIO::poll_cb,
2208	);	2567	);
2209		2568
2210	Event->timer (	2569	$WRITE_RUNTIME_WATCHER = Event->timer (
		2570	reentrant => 0,
2211	data => WF_AUTOCANCEL,	2571	data => WF_AUTOCANCEL,
2212	after => 0,	2572	after => 1,
2213	interval => 10,	2573	interval => 10,
2214	cb => sub {	2574	prio => 6, # keep it lowest so it acts like a watchdog
2215	(Coro::unblock_sub {	2575	cb => Coro::unblock_sub {
2216	write_runtime	2576	write_runtime
2217	or warn "ERROR: unable to write runtime file: $!";	2577	or warn "ERROR: unable to write runtime file: $!";
2218	})->();
2219	},	2578	},
2220	);	2579	);
2221		2580
2222	END { cf::emergency_save }	2581	END { cf::emergency_save }
2223		2582

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