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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.134 by root, Thu Jan 4 17:28:49 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 $path->save_path;
1213
1214	Coro::cede;
1215
1216	if ($map) {
1217	$map->last_access ((delete $map->{last_access})
1218	|| $cf::RUNTIME); #d#
1219	# safety
1220	$map->{instantiate_time} = $cf::RUNTIME
1221	if $map->{instantiate_time} > $cf::RUNTIME;
1222	} else {
1223	if (my $rmp = $path->random_map_params) {
1224	$map = generate_random_map $key, $rmp;
1225	} else {
1226	$map = try_load_header $path->load_path;
1227	}
1228
1229	$map or return;	1381	or return;
1230		1382
1231	$map->{load_original} = 1;
1232	$map->{instantiate_time} = $cf::RUNTIME;
1233	$map->last_access ($cf::RUNTIME);
1234	$map->instantiate;
1235
1236	# per-player maps become, after loading, normal maps
1237	$map->per_player (0) if $path->{user_rel};
1238	}
1239
1240	$map->path ($key);
1241	$map->{path} = $path;
1242	$map->{last_save} = $cf::RUNTIME;	1383	$map->{last_save} = $cf::RUNTIME;
1243		1384
1244	Coro::cede;	1385	$map->load_header
		1386	or return;
1245		1387
1246	if ($map->should_reset) {	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;
1247	$map->reset;	1391	$map->reset;
1248	undef $guard;	1392	undef $guard;
1249	$map = find $path	1393	return find $path;
1250	or return;
1251	}	1394	}
1252		1395
1253	$cf::MAP{$key} = $map	1396	$cf::MAP{$path} = $map
1254	}	1397	}
1255	}	1398	}
		1399
		1400	sub pre_load { }
		1401	sub post_load { }
1256		1402
1257	sub load {	1403	sub load {
1258	my ($self) = @_;	1404	my ($self) = @_;
1259		1405
		1406	local $self->{deny_reset} = 1; # loading can take a long time
		1407
1260	my $path = $self->{path};	1408	my $path = $self->{path};
1261	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1409	my $guard = cf::lock_acquire "map_load:$path";
1262		1410
1263	return if $self->in_memory != cf::MAP_SWAPPED;	1411	return if $self->in_memory != cf::MAP_SWAPPED;
1264		1412
1265	$self->in_memory (cf::MAP_LOADING);	1413	$self->in_memory (cf::MAP_LOADING);
1266		1414
1267	$self->alloc;	1415	$self->alloc;
		1416
		1417	$self->pre_load;
		1418
1268	$self->load_objects ($self->{load_path}, 1)	1419	$self->_load_objects ($self->{load_path}, 1)
1269	or return;	1420	or return;
1270		1421
1271	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1272	if delete $self->{load_original};	1423	if delete $self->{load_original};
1273		1424
1274	if (my $uniq = $path->uniq_path) {	1425	if (my $uniq = $self->uniq_path) {
1275	utf8::encode $uniq;	1426	utf8::encode $uniq;
1276	if (aio_open $uniq, O_RDONLY, 0) {	1427	if (aio_open $uniq, O_RDONLY, 0) {
1277	$self->clear_unique_items;	1428	$self->clear_unique_items;
1278	$self->load_objects ($uniq, 0);	1429	$self->_load_objects ($uniq, 0);
1279	}	1430	}
1280	}	1431	}
1281		1432
1282	Coro::cede;	1433	Coro::cede;
1283		1434
1284	# now do the right thing for maps	1435	# now do the right thing for maps
1285	$self->link_multipart_objects;	1436	$self->link_multipart_objects;
1286		1437
1287	if ($self->{path}->is_style_map) {	1438	unless ($self->{deny_activate}) {
1288	$self->{deny_save} = 1;	1439	$self->decay_objects;
1289	$self->{deny_reset} = 1;
1290	} else {
1291	$self->fix_auto_apply;	1440	$self->fix_auto_apply;
1292	$self->decay_objects;
1293	$self->update_buttons;	1441	$self->update_buttons;
		1442	Coro::cede;
1294	$self->set_darkness_map;	1443	$self->set_darkness_map;
1295	$self->difficulty ($self->estimate_difficulty)	1444	$self->difficulty ($self->estimate_difficulty)
1296	unless $self->difficulty;	1445	unless $self->difficulty;
		1446	Coro::cede;
1297	$self->activate;	1447	$self->activate;
1298	}	1448	}
1299		1449
1300	Coro::cede;	1450	$self->post_load;
1301		1451
1302	$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	$neigh->load;
		1485	}
1303	}	1486	}
1304		1487
1305	sub find_sync {	1488	sub find_sync {
1306	my ($path, $origin) = @_;	1489	my ($path, $origin) = @_;
1307		1490
1308	cf::sync_job { cf::map::find $path, $origin }	1491	cf::sync_job { find $path, $origin }
1309	}	1492	}
1310		1493
1311	sub do_load_sync {	1494	sub do_load_sync {
1312	my ($map) = @_;	1495	my ($map) = @_;
1313		1496
1314	cf::sync_job { $map->load };	1497	cf::sync_job { $map->load };
1315	}	1498	}
1316		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	$MAP_PREFETCHER->prio (6);
		1526
		1527	()
		1528	}
		1529
1317	sub save {	1530	sub save {
1318	my ($self) = @_;	1531	my ($self) = @_;
1319		1532
		1533	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1534
1320	$self->{last_save} = $cf::RUNTIME;	1535	$self->{last_save} = $cf::RUNTIME;
1321		1536
1322	return unless $self->dirty;	1537	return unless $self->dirty;
1323		1538
1324	my $save = $self->{path}->save_path; utf8::encode $save;	1539	my $save = $self->save_path; utf8::encode $save;
1325	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1540	my $uniq = $self->uniq_path; utf8::encode $uniq;
1326		1541
1327	$self->{load_path} = $save;	1542	$self->{load_path} = $save;
1328		1543
1329	return if $self->{deny_save};	1544	return if $self->{deny_save};
1330		1545
1331	local $self->{last_access} = $self->last_access;#d#	1546	local $self->{last_access} = $self->last_access;#d#
1332		1547
		1548	cf::async {
		1549	$_->contr->save for $self->players;
		1550	};
		1551
1333	if ($uniq) {	1552	if ($uniq) {
1334	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1335	$self->save_objects ($uniq, cf::IO_UNIQUES);	1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1336	} else {	1555	} else {
1337	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1338	}	1557	}
1339	}	1558	}
1340		1559
1341	sub swap_out {	1560	sub swap_out {
1342	my ($self) = @_;	1561	my ($self) = @_;
1343		1562
1344	# save first because save cedes	1563	# save first because save cedes
1345	$self->save;	1564	$self->save;
		1565
		1566	my $lock = cf::lock_acquire "map_data:" . $self->path;
1346		1567
1347	return if $self->players;	1568	return if $self->players;
1348	return if $self->in_memory != cf::MAP_IN_MEMORY;	1569	return if $self->in_memory != cf::MAP_IN_MEMORY;
1349	return if $self->{deny_save};	1570	return if $self->{deny_save};
1350		1571
…		…
1354		1575
1355	sub reset_at {	1576	sub reset_at {
1356	my ($self) = @_;	1577	my ($self) = @_;
1357		1578
1358	# TODO: safety, remove and allow resettable per-player maps	1579	# TODO: safety, remove and allow resettable per-player maps
1359	return 1e99 if $self->{path}{user_rel};	1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1360	return 1e99 if $self->{deny_reset};	1581	return 1e99 if $self->{deny_reset};
1361		1582
1362	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1363	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1364		1585
…		…
1369	my ($self) = @_;	1590	my ($self) = @_;
1370		1591
1371	$self->reset_at <= $cf::RUNTIME	1592	$self->reset_at <= $cf::RUNTIME
1372	}	1593	}
1373		1594
1374	sub unlink_save {
1375	my ($self) = @_;
1376
1377	utf8::encode (my $save = $self->{path}->save_path);
1378	aioreq_pri 3; IO::AIO::aio_unlink $save;
1379	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1380	}
1381
1382	sub rename {
1383	my ($self, $new_path) = @_;
1384
1385	$self->unlink_save;
1386
1387	delete $cf::MAP{$self->path};
1388	$self->{path} = new cf::path $new_path;
1389	$self->path ($self->{path}->as_string);
1390	$cf::MAP{$self->path} = $self;
1391
1392	$self->save;
1393	}
1394
1395	sub reset {	1595	sub reset {
1396	my ($self) = @_;	1596	my ($self) = @_;
1397		1597
		1598	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1599
1398	return if $self->players;	1600	return if $self->players;
1399	return if $self->{path}{user_rel};#d#	1601	return if $self->isa ("ext::map_per_player");#d#
1400		1602
1401	warn "resetting map ", $self->path;#d#	1603	warn "resetting map ", $self->path;#d#
1402		1604
1403	delete $cf::MAP{$self->path};	1605	delete $cf::MAP{$self->path};
		1606
		1607	$self->in_memory (cf::MAP_SWAPPED);
		1608	$self->clear;
1404		1609
1405	$_->clear_links_to ($self) for values %cf::MAP;	1610	$_->clear_links_to ($self) for values %cf::MAP;
1406		1611
1407	$self->unlink_save;	1612	$self->unlink_save;
1408	$self->destroy;	1613	$self->destroy;
…		…
1411	my $nuke_counter = "aaaa";	1616	my $nuke_counter = "aaaa";
1412		1617
1413	sub nuke {	1618	sub nuke {
1414	my ($self) = @_;	1619	my ($self) = @_;
1415		1620
		1621	delete $cf::MAP{$self->path};
		1622
		1623	$self->unlink_save;
		1624
		1625	bless $self, "cf::map";
		1626	delete $self->{deny_reset};
1416	$self->{deny_save} = 1;	1627	$self->{deny_save} = 1;
1417	$self->reset_timeout (1);	1628	$self->reset_timeout (1);
1418	$self->rename ("{nuke}/" . ($nuke_counter++));	1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1630
		1631	$cf::MAP{$self->path} = $self;
		1632
1419	$self->reset; # polite request, might not happen	1633	$self->reset; # polite request, might not happen
1420	}	1634	}
1421		1635
1422	sub customise_for {	1636	=item cf::map::unique_maps
1423	my ($map, $ob) = @_;
1424		1637
1425	if ($map->per_player) {	1638	Returns an arrayref of paths of all shared maps that have
1426	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1639	instantiated unique items. May block.
1427	}
1428		1640
1429	$map	1641	=cut
1430	}
1431		1642
1432	sub emergency_save {	1643	sub unique_maps() {
1433	my $freeze_guard = cf::freeze_mainloop;	1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1645	or return;
1434		1646
1435	warn "enter emergency map save\n";	1647	my @paths;
1436		1648
1437	cf::sync_job {	1649	for (@$files) {
1438	warn "begin emergency map save\n";	1650	utf8::decode $_;
1439	$_->save for values %cf::MAP;	1651	next if /\.pst$/;
		1652	next unless /^$PATH_SEP/o;
		1653
		1654	push @paths, cf::map::normalise $_;
1440	};	1655	}
1441		1656
1442	warn "end emergency map save\n";	1657	\@paths
1443	}	1658	}
1444		1659
1445	package cf;	1660	package cf;
1446		1661
1447	=back	1662	=back
1448		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
1449		1690
1450	=head3 cf::object::player	1691	=head3 cf::object::player
1451		1692
1452	=over 4	1693	=over 4
1453		1694
…		…
1493		1734
1494	=item $player_object->enter_link	1735	=item $player_object->enter_link
1495		1736
1496	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}>).
1497		1738
1498	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
1499	I<MUST> call C<leave_link> as soon as possible, though.	1740	I<MUST> call C<leave_link> as soon as possible, though.
1500		1741
		1742	Will never block.
		1743
1501	=item $player_object->leave_link ($map, $x, $y)	1744	=item $player_object->leave_link ($map, $x, $y)
1502		1745
1503	Moves the player out of the specila link map onto the given map. If the	1746	Moves the player out of the special C<{link}> map onto the specified
1504	map is not valid (or omitted), the player will be moved back to the	1747	map. If the map is not valid (or omitted), the player will be moved back
1505	location he/she was before the call to C<enter_link>, or, if that fails,	1748	to the location he/she was before the call to C<enter_link>, or, if that
1506	to the emergency map position.	1749	fails, to the emergency map position.
1507		1750
1508	Might block.	1751	Might block.
1509		1752
1510	=cut	1753	=cut
		1754
		1755	sub link_map {
		1756	unless ($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	$LINK_MAP
		1763	}
1511		1764
1512	sub cf::object::player::enter_link {	1765	sub cf::object::player::enter_link {
1513	my ($self) = @_;	1766	my ($self) = @_;
1514		1767
1515	$self->deactivate_recursive;	1768	$self->deactivate_recursive;
1516		1769
1517	return if $self->map == $LINK_MAP;	1770	return if UNIVERSAL::isa $self->map, "ext::map_link";
1518		1771
1519	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1520	if $self->map;	1773	if $self->map;
1521		1774
1522	$self->enter_map ($LINK_MAP, 20, 20);	1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1523	}	1776	}
1524		1777
1525	sub cf::object::player::leave_link {	1778	sub cf::object::player::leave_link {
1526	my ($self, $map, $x, $y) = @_;	1779	my ($self, $map, $x, $y) = @_;
1527		1780
…		…
1545	# use -1 or undef as default coordinates, not 0, 0	1798	# use -1 or undef as default coordinates, not 0, 0
1546	($x, $y) = ($map->enter_x, $map->enter_y)	1799	($x, $y) = ($map->enter_x, $map->enter_y)
1547	if $x <=0 && $y <= 0;	1800	if $x <=0 && $y <= 0;
1548		1801
1549	$map->load;	1802	$map->load;
		1803	$map->load_diag;
1550		1804
		1805	return unless $self->contr->active;
1551	$self->activate_recursive;	1806	$self->activate_recursive;
1552	$self->enter_map ($map, $x, $y);	1807	$self->enter_map ($map, $x, $y);
1553	}	1808	}
1554		1809
1555	cf::player->attach (	1810	cf::player->attach (
…		…
1568		1823
1569	# try to abort aborted map switching on player login :)	1824	# try to abort aborted map switching on player login :)
1570	# should happen only on crashes	1825	# should happen only on crashes
1571	if ($pl->ob->{_link_pos}) {	1826	if ($pl->ob->{_link_pos}) {
1572	$pl->ob->enter_link;	1827	$pl->ob->enter_link;
1573	cf::async {	1828	(async {
1574	# 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
1575	# 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);
1576	Coro::Timer::sleep 1;	1835	Coro::Timer::sleep 1;
1577	$pl->ob->leave_link;	1836	$pl->ob->leave_link;
1578	};	1837	})->prio (2);
1579	}	1838	}
1580	},	1839	},
1581	);	1840	);
1582		1841
1583	=item $player_object->goto_map ($path, $x, $y)	1842	=item $player_object->goto ($path, $x, $y)
1584		1843
1585	=cut	1844	=cut
1586		1845
1587	sub cf::object::player::goto_map {	1846	sub cf::object::player::goto {
1588	my ($self, $path, $x, $y) = @_;	1847	my ($self, $path, $x, $y) = @_;
1589		1848
1590	$self->enter_link;	1849	$self->enter_link;
1591		1850
1592	(cf::async {	1851	(async {
1593	$path = new cf::path $path;	1852	my $map = eval {
1594
1595	my $map = cf::map::find $path->as_string;	1853	my $map = cf::map::find $path;
1596	$map = $map->customise_for ($self) if $map;	1854	$map = $map->customise_for ($self) if $map;
1597		1855	$map
1598	# warn "entering ", $map->path, " at ($x, $y)\n"	1856	} or
1599	# if $map;
1600
1601	$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);
1602		1858
1603	$self->leave_link ($map, $x, $y);	1859	$self->leave_link ($map, $x, $y);
1604	})->prio (1);	1860	})->prio (1);
1605	}	1861	}
1606		1862
…		…
1610		1866
1611	sub parse_random_map_params {	1867	sub parse_random_map_params {
1612	my ($spec) = @_;	1868	my ($spec) = @_;
1613		1869
1614	my $rmp = { # defaults	1870	my $rmp = { # defaults
1615	xsize => 10,	1871	xsize => (cf::rndm 15, 40),
1616	ysize => 10,	1872	ysize => (cf::rndm 15, 40),
		1873	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1874	#layout => string,
1617	};	1875	};
1618		1876
1619	for (split /\n/, $spec) {	1877	for (split /\n/, $spec) {
1620	my ($k, $v) = split /\s+/, $_, 2;	1878	my ($k, $v) = split /\s+/, $_, 2;
1621		1879
…		…
1625	$rmp	1883	$rmp
1626	}	1884	}
1627		1885
1628	sub prepare_random_map {	1886	sub prepare_random_map {
1629	my ($exit) = @_;	1887	my ($exit) = @_;
		1888
		1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1630		1890
1631	# all this does is basically replace the /! path by	1891	# all this does is basically replace the /! path by
1632	# a new random map path (?random/...) with a seed	1892	# a new random map path (?random/...) with a seed
1633	# that depends on the exit object	1893	# that depends on the exit object
1634		1894
1635	my $rmp = parse_random_map_params $exit->msg;	1895	my $rmp = parse_random_map_params $exit->msg;
1636		1896
1637	if ($exit->map) {	1897	if ($exit->map) {
1638	$rmp->{region} = $exit->map->region_name;	1898	$rmp->{region} = $exit->region->name;
1639	$rmp->{origin_map} = $exit->map->path;	1899	$rmp->{origin_map} = $exit->map->path;
1640	$rmp->{origin_x} = $exit->x;	1900	$rmp->{origin_x} = $exit->x;
1641	$rmp->{origin_y} = $exit->y;	1901	$rmp->{origin_y} = $exit->y;
1642	}	1902	}
1643		1903
1644	$rmp->{random_seed} ||= $exit->random_seed;	1904	$rmp->{random_seed} ||= $exit->random_seed;
1645		1905
1646	my $data = cf::to_json $rmp;	1906	my $data = cf::to_json $rmp;
1647	my $md5 = Digest::MD5::md5_hex $data;	1907	my $md5 = Digest::MD5::md5_hex $data;
		1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1648		1909
1649	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) {
1650	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;
1651		1914
1652	$exit->slaying ("?random/$md5");	1915	$exit->slaying ("?random/$md5");
1653	$exit->msg (undef);	1916	$exit->msg (undef);
1654	}	1917	}
1655	}	1918	}
…		…
1657	sub cf::object::player::enter_exit {	1920	sub cf::object::player::enter_exit {
1658	my ($self, $exit) = @_;	1921	my ($self, $exit) = @_;
1659		1922
1660	return unless $self->type == cf::PLAYER;	1923	return unless $self->type == cf::PLAYER;
1661		1924
		1925	if ($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
1662	$self->enter_link;	1934	$self->enter_link;
1663		1935
1664	(cf::async {	1936	(async {
1665	$self->deactivate_recursive; # just to be sure	1937	$self->deactivate_recursive; # just to be sure
1666	unless (eval {	1938	unless (eval {
1667	prepare_random_map $exit	1939	$self->goto ($slaying, $hp, $sp);
1668	if $exit->slaying eq "/!";
1669
1670	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1671	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1672		1940
1673	1;	1941	1;
1674	}) {	1942	}) {
1675	$self->message ("Something went wrong deep within the crossfire server. "	1943	$self->message ("Something went wrong deep within the crossfire server. "
1676	. "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. "
1677	. "Please report this to the dungeon master",	1945	. "Please report this to the dungeon master!",
1678	cf::NDI_UNIQUE | cf::NDI_RED);	1946	cf::NDI_UNIQUE | cf::NDI_RED);
1679		1947
1680	warn "ERROR in enter_exit: $@";	1948	warn "ERROR in enter_exit: $@";
1681	$self->leave_link;	1949	$self->leave_link;
1682	}	1950	}
…		…
1737	# get handled first	2005	# get handled first
1738	my $queue = delete $ns->{query_queue}	2006	my $queue = delete $ns->{query_queue}
1739	or return; # be conservative, not sure how that can happen, but we saw a crash here	2007	or return; # be conservative, not sure how that can happen, but we saw a crash here
1740		2008
1741	(shift @$queue)->[1]->($msg);	2009	(shift @$queue)->[1]->($msg);
		2010	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1742		2011
1743	push @{ $ns->{query_queue} }, @$queue;	2012	push @{ $ns->{query_queue} }, @$queue;
1744		2013
1745	if (@{ $ns->{query_queue} } == @$queue) {	2014	if (@{ $ns->{query_queue} } == @$queue) {
1746	if (@$queue) {	2015	if (@$queue) {
…		…
1750	}	2019	}
1751	}	2020	}
1752	},	2021	},
1753	);	2022	);
1754		2023
1755	=item $client->coro (\&cb)	2024	=item $client->async (\&cb)
1756		2025
1757	Create a new coroutine, running the specified callback. The coroutine will	2026	Create a new coroutine, running the specified callback. The coroutine will
1758	be automatically cancelled when the client gets destroyed (e.g. on logout,	2027	be automatically cancelled when the client gets destroyed (e.g. on logout,
1759	or loss of connection).	2028	or loss of connection).
1760		2029
1761	=cut	2030	=cut
1762		2031
1763	sub cf::client::coro {	2032	sub cf::client::async {
1764	my ($self, $cb) = @_;	2033	my ($self, $cb) = @_;
1765		2034
1766	my $coro = &cf::async ($cb);	2035	my $coro = &Coro::async ($cb);
1767		2036
1768	$coro->on_destroy (sub {	2037	$coro->on_destroy (sub {
1769	delete $self->{_coro}{$coro+0};	2038	delete $self->{_coro}{$coro+0};
1770	});	2039	});
1771		2040
…		…
1965	sub db_sync() {	2234	sub db_sync() {
1966	db_save if $dirty;	2235	db_save if $dirty;
1967	undef $dirty;	2236	undef $dirty;
1968	}	2237	}
1969		2238
1970	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2239	my $idle = Event->idle (
1971	db_sync;	2240	reentrant => 0,
		2241	min => 10,
		2242	max => 20,
		2243	repeat => 0,
		2244	data => WF_AUTOCANCEL,
		2245	cb => \&db_sync,
1972	});	2246	);
1973		2247
1974	sub db_dirty() {	2248	sub db_dirty() {
1975	$dirty = 1;	2249	$dirty = 1;
1976	$idle->start;	2250	$idle->start;
1977	}	2251	}
…		…
1998	},	2272	},
1999	);	2273	);
2000	}	2274	}
2001		2275
2002	#############################################################################	2276	#############################################################################
2003	# 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	}
2004		2283
2005	sub cfg_load {	2284	sub cfg_load {
2006	open my $fh, "<:utf8", cf::confdir . "/config"	2285	open my $fh, "<:utf8", cf::confdir . "/config"
2007	or return;	2286	or return;
2008		2287
2009	local $/;	2288	local $/;
2010	*CFG = YAML::Syck::Load <$fh>;	2289	*CFG = YAML::Syck::Load <$fh>;
2011		2290
2012	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2013		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
2014	if (exists $CFG{mlockall}) {	2296	if (exists $CFG{mlockall}) {
2015	eval {	2297	eval {
2016	$CFG{mlockall} ? &mlockall : &munlockall	2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2017	and die "WARNING: m(un)lockall failed: $!\n";	2299	and die "WARNING: m(un)lockall failed: $!\n";
2018	};	2300	};
2019	warn $@ if $@;	2301	warn $@ if $@;
2020	}	2302	}
		2303	}
		2304
		2305	sub init {
		2306	load_resources;
2021	}	2307	}
2022		2308
2023	sub main {	2309	sub main {
2024	# we must not ever block the main coroutine	2310	# we must not ever block the main coroutine
2025	local $Coro::idle = sub {	2311	local $Coro::idle = sub {
2026	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#
2027	(Coro::unblock_sub {	2313	(async {
2028	Event::one_event;	2314	Event::one_event;
2029	})->();	2315	})->prio (Coro::PRIO_MAX);
2030	};	2316	};
2031		2317
2032	cfg_load;	2318	cfg_load;
2033	db_load;	2319	db_load;
2034	load_extensions;	2320	load_extensions;
		2321
		2322	$TICK_WATCHER->start;
2035	Event::loop;	2323	Event::loop;
2036	}	2324	}
2037		2325
2038	#############################################################################	2326	#############################################################################
2039	# 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	$map->save;
		2366	}
		2367	warn "end emergency map save\n";
		2368	};
		2369
		2370	warn "leave emergency perl save\n";
		2371	}
2040		2372
2041	sub reload() {	2373	sub reload() {
2042	# can/must only be called in main	2374	# can/must only be called in main
2043	if ($Coro::current != $Coro::main) {	2375	if ($Coro::current != $Coro::main) {
2044	warn "can only reload from main coroutine\n";	2376	warn "can only reload from main coroutine";
2045	return;	2377	return;
2046	}	2378	}
2047		2379
2048	warn "reloading...";	2380	warn "reloading...";
2049		2381
2050	my $guard = freeze_mainloop;	2382	warn "cancelling server ticker";
		2383	$TICK_WATCHER->cancel;
		2384
2051	cf::emergency_save;	2385	cf::emergency_save;
2052		2386
2053	eval {	2387	eval {
2054	# 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
2055		2389
2056	# cancel all watchers	2390	warn "syncing database to disk";
		2391	cf::db_sync;
		2392
		2393	warn "cancelling all WF_AUTOCANCEL watchers";
2057	for (Event::all_watchers) {	2394	for (Event::all_watchers) {
2058	$_->cancel if $_->data & WF_AUTOCANCEL;	2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2059	}	2396	}
2060		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
2061	# cancel all extension coros	2406	warn "cancelling all extension coros";
2062	$_->cancel for values %EXT_CORO;	2407	$_->cancel for values %EXT_CORO;
2063	%EXT_CORO = ();	2408	%EXT_CORO = ();
2064		2409
2065	# unload all extensions	2410	warn "removing commands";
2066	for (@exts) {	2411	%COMMAND = ();
		2412
		2413	warn "removing ext commands";
		2414	%EXTCMD = ();
		2415
		2416	warn "unloading/nuking all extensions";
		2417	for my $pkg (@EXTS) {
2067	warn "unloading <$_>";	2418	warn "... unloading $pkg";
2068	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: $@";
2069	}	2425	}
2070		2426
		2427	warn "... nuking $pkg";
		2428	Symbol::delete_package $pkg;
		2429	}
		2430
2071	# unload all modules loaded from $LIBDIR	2431	warn "unloading all perl modules loaded from $LIBDIR";
2072	while (my ($k, $v) = each %INC) {	2432	while (my ($k, $v) = each %INC) {
2073	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2074		2434
2075	warn "removing <$k>";	2435	warn "... unloading $k";
2076	delete $INC{$k};	2436	delete $INC{$k};
2077		2437
2078	$k =~ s/\.pm$//;	2438	$k =~ s/\.pm$//;
2079	$k =~ s/\//::/g;	2439	$k =~ s/\//::/g;
2080		2440
…		…
2083	}	2443	}
2084		2444
2085	Symbol::delete_package $k;	2445	Symbol::delete_package $k;
2086	}	2446	}
2087		2447
2088	# sync database to disk
2089	cf::db_sync;
2090	IO::AIO::flush;
2091
2092	# get rid of safe::, as good as possible	2448	warn "getting rid of safe::, as good as possible";
2093	Symbol::delete_package "safe::$_"	2449	Symbol::delete_package "safe::$_"
2094	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);
2095		2451
2096	# remove register_script_function callbacks
2097	# TODO
2098
2099	# unload cf.pm "a bit"	2452	warn "unloading cf.pm \"a bit\"";
2100	delete $INC{"cf.pm"};	2453	delete $INC{"cf.pm"};
2101		2454
2102	# don't, removes xs symbols, too,	2455	# don't, removes xs symbols, too,
2103	# and global variables created in xs	2456	# and global variables created in xs
2104	#Symbol::delete_package __PACKAGE__;	2457	#Symbol::delete_package __PACKAGE__;
2105		2458
2106	# reload cf.pm	2459	warn "unload completed, starting to reload now";
		2460
2107	warn "reloading cf.pm";	2461	warn "reloading cf.pm";
2108	require cf;	2462	require cf;
2109	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2110		2464
2111	# load config and database again	2465	warn "loading config and database again";
2112	cf::cfg_load;	2466	cf::cfg_load;
2113	cf::db_load;	2467	cf::db_load;
2114		2468
2115	# load extensions
2116	warn "load extensions";	2469	warn "loading extensions";
2117	cf::load_extensions;	2470	cf::load_extensions;
2118		2471
2119	# reattach attachments to objects	2472	warn "reattaching attachments to objects/players";
2120	warn "reattach";
2121	_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	$TICK_WATCHER->start;
2122	};	2483	};
2123		2484
2124	if ($@) {	2485	if ($@) {
2125	warn $@;	2486	warn $@;
2126	warn "error while reloading, exiting.";	2487	warn "error while reloading, exiting.";
2127	exit 1;	2488	exit 1;
2128	}	2489	}
2129		2490
2130	warn "reloaded successfully";	2491	warn "reloaded";
2131	};	2492	};
2132		2493
2133	#############################################################################	2494	our $RELOAD_WATCHER; # used only during reload
2134
2135	unless ($LINK_MAP) {
2136	$LINK_MAP = cf::map::new;
2137
2138	$LINK_MAP->width (41);
2139	$LINK_MAP->height (41);
2140	$LINK_MAP->alloc;
2141	$LINK_MAP->path ("{link}");
2142	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2143	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2144
2145	# dirty hack because... archetypes are not yet loaded
2146	Event->timer (
2147	after => 2,
2148	cb => sub {
2149	$_[0]->w->cancel;
2150
2151	# provide some exits "home"
2152	my $exit = cf::object::new "exit";
2153
2154	$exit->slaying ($EMERGENCY_POSITION->[0]);
2155	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2156	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2157
2158	$LINK_MAP->insert ($exit->clone, 19, 19);
2159	$LINK_MAP->insert ($exit->clone, 19, 20);
2160	$LINK_MAP->insert ($exit->clone, 19, 21);
2161	$LINK_MAP->insert ($exit->clone, 20, 19);
2162	$LINK_MAP->insert ($exit->clone, 20, 21);
2163	$LINK_MAP->insert ($exit->clone, 21, 19);
2164	$LINK_MAP->insert ($exit->clone, 21, 20);
2165	$LINK_MAP->insert ($exit->clone, 21, 21);
2166
2167	$exit->destroy;
2168	});
2169
2170	$LINK_MAP->{deny_save} = 1;
2171	$LINK_MAP->{deny_reset} = 1;
2172
2173	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2174	}
2175
2176	register "<global>", __PACKAGE__;
2177		2495
2178	register_command "reload" => sub {	2496	register_command "reload" => sub {
2179	my ($who, $arg) = @_;	2497	my ($who, $arg) = @_;
2180		2498
2181	if ($who->flag (FLAG_WIZ)) {	2499	if ($who->flag (FLAG_WIZ)) {
2182	$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 {
2183	reload;	2510	reload;
2184	$who->message ("end of reload.");	2511	undef $RELOAD_WATCHER;
		2512	},
		2513	);
2185	}	2514	}
2186	};	2515	};
2187		2516
2188	unshift @INC, $LIBDIR;	2517	unshift @INC, $LIBDIR;
		2518
		2519	my $bug_warning = 0;
2189		2520
2190	$TICK_WATCHER = Event->timer (	2521	$TICK_WATCHER = Event->timer (
2191	reentrant => 0,	2522	reentrant => 0,
		2523	parked => 1,
2192	prio => 0,	2524	prio => 0,
2193	at => $NEXT_TICK || $TICK,	2525	at => $NEXT_TICK || $TICK,
2194	data => WF_AUTOCANCEL,	2526	data => WF_AUTOCANCEL,
2195	cb => sub {	2527	cb => sub {
		2528	if ($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
2196	cf::server_tick; # one server iteration	2536	cf::server_tick; # one server iteration
2197	$RUNTIME += $TICK;	2537	$RUNTIME += $TICK;
2198	$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#
2199		2548
2200	# 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
2201	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2202		2551
2203	$TICK_WATCHER->at ($NEXT_TICK);	2552	$TICK_WATCHER->at ($NEXT_TICK);
2204	$TICK_WATCHER->start;	2553	$TICK_WATCHER->start;
2205	},	2554	},
2206	);	2555	);
2207		2556
2208	IO::AIO::max_poll_time $TICK * 0.2;	2557	IO::AIO::max_poll_time $TICK * 0.1;
2209		2558
2210	Event->io (	2559	undef $Coro::AIO::WATCHER;
		2560	$AIO_POLL_WATCHER = Event->io (
		2561	reentrant => 0,
2211	fd => IO::AIO::poll_fileno,	2562	fd => IO::AIO::poll_fileno,
2212	poll => 'r',	2563	poll => 'r',
2213	prio => 5,	2564	prio => 6,
2214	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2215	cb => \&IO::AIO::poll_cb,	2566	cb => \&IO::AIO::poll_cb,
2216	);	2567	);
2217		2568
2218	Event->timer (	2569	$WRITE_RUNTIME_WATCHER = Event->timer (
		2570	reentrant => 0,
2219	data => WF_AUTOCANCEL,	2571	data => WF_AUTOCANCEL,
2220	after => 0,	2572	after => 1,
2221	interval => 10,	2573	interval => 10,
2222	cb => sub {	2574	prio => 6, # keep it lowest so it acts like a watchdog
2223	(Coro::unblock_sub {	2575	cb => Coro::unblock_sub {
2224	write_runtime	2576	write_runtime
2225	or warn "ERROR: unable to write runtime file: $!";	2577	or warn "ERROR: unable to write runtime file: $!";
2226	})->();
2227	},	2578	},
2228	);	2579	);
2229		2580
2230	END { cf::emergency_save }	2581	END { cf::emergency_save }
2231		2582

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