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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 1.207 by root, Sun Feb 11 22:42:09 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 BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
25		27
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	28	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		29
		30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		31
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	33	$YAML::Syck::ImplicitUnicode = 1;
30		34
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	35	$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		36
35	our %COMMAND = ();	37	our %COMMAND = ();
36	our %COMMAND_TIME = ();	38	our %COMMAND_TIME = ();
		39
		40	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	41	our %EXTCMD = ();
		42	our %EXT_CORO = (); # coroutines bound to extensions
		43	our %EXT_MAP = (); # pluggable maps
38		44
39	our @EVENT;	45	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	46	our $LIBDIR = datadir . "/ext";
41		47
42	our $TICK = MAX_TIME * 1e-6;	48	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	49	our $TICK_WATCHER;
		50	our $AIO_POLL_WATCHER;
		51	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	52	our $NEXT_TICK;
45	our $NOW;	53	our $NOW;
		54	our $USE_FSYNC = 1; # use fsync to write maps - default off
		55
		56	our $BDB_POLL_WATCHER;
		57	our $DB_ENV;
46		58
47	our %CFG;	59	our %CFG;
48		60
49	our $UPTIME; $UPTIME ||= time;	61	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	62	our $RUNTIME;
51		63
		64	our %PLAYER; # all users
52	our %MAP; # all maps	65	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	66	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	67	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	68	our $BDB_ENV_DIR = cf::localdir . "/db";
		69
		70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		72
		73	# used to convert map paths into valid unix filenames by replacing / by ∕
		74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		75
57	binmode STDOUT;	76	binmode STDOUT;
58	binmode STDERR;	77	binmode STDERR;
59		78
60	# read virtual server time, if available	79	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	86	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	87	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	88	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	89	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	90	mkdir $RANDOM_MAPS;
		91	mkdir $BDB_ENV_DIR;
72		92
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	93	our $EMERGENCY_POSITION;
		94
		95	sub cf::map::normalise;
76		96
77	#############################################################################	97	#############################################################################
78		98
79	=head2 GLOBAL VARIABLES	99	=head2 GLOBAL VARIABLES
80		100
…		…
104		124
105	=item %cf::CFG	125	=item %cf::CFG
106		126
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	127	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	128	from wherever your confdir points to.
		129
		130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		131
		132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		134	processing has been done. Call C<< ->wait >> on them to maximise the
		135	window of cpu time available, or simply to synchronise to the server tick.
109		136
110	=back	137	=back
111		138
112	=cut	139	=cut
113		140
…		…
117	utf8::encode $msg;	144	utf8::encode $msg;
118		145
119	$msg .= "\n"	146	$msg .= "\n"
120	unless $msg =~ /\n$/;	147	unless $msg =~ /\n$/;
121		148
122	LOG llevError, "cfperl: $msg";	149	LOG llevError, $msg;
123	};	150	};
124	}	151	}
125		152
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		172
146	$Event::DIED = sub {	173	$Event::DIED = sub {
147	warn "error in event callback: @_";	174	warn "error in event callback: @_";
148	};	175	};
149		176
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	177	=head2 UTILITY FUNCTIONS
155		178
156	=over 4	179	=over 4
157		180
		181	=item dumpval $ref
		182
158	=cut	183	=cut
		184
		185	sub dumpval {
		186	eval {
		187	local $SIG{__DIE__};
		188	my $d;
		189	if (1) {
		190	$d = new Data::Dumper([$_[0]], ["*var"]);
		191	$d->Terse(1);
		192	$d->Indent(2);
		193	$d->Quotekeys(0);
		194	$d->Useqq(1);
		195	#$d->Bless(...);
		196	$d->Seen($_[1]) if @_ > 1;
		197	$d = $d->Dump();
		198	}
		199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		200	$d
		201	} || "[unable to dump $_[0]: '$@']";
		202	}
159		203
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	204	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		205
162	=item $ref = cf::from_json $json	206	=item $ref = cf::from_json $json
163		207
…		…
179	sub to_json($) {	223	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]	225	JSON::Syck::Dump $_[0]
182	}	226	}
183		227
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	228	=item cf::lock_wait $string
207		229
208	Wait until the given lock is available. See cf::lock_acquire.	230	Wait until the given lock is available. See cf::lock_acquire.
209		231
210	=item my $lock = cf::lock_acquire $string	232	=item my $lock = cf::lock_acquire $string
211		233
212	Wait until the given lock is available and then acquires it and returns	234	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,	235	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	236	for example when the coroutine gets canceled), the lock is automatically
215	returned.	237	returned.
216		238
217	Lock names should begin with a unique identifier (for example, cf::map::find	239	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	240	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	259	# wait, to be sure we are not locked
238	lock_wait $key;	260	lock_wait $key;
239		261
240	$LOCK{$key} = [];	262	$LOCK{$key} = [];
241		263
242	cf::guard {	264	Coro::guard {
243	# wake up all waiters, to be on the safe side	265	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	266	$_->ready for @{ delete $LOCK{$key} };
245	}	267	}
246	}	268	}
247		269
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 {	270	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	271	return unless $TICK_WATCHER->is_active;
266		272
267	my $guard = guard { $TICK_WATCHER->start };	273	my $guard = Coro::guard {
		274	$TICK_WATCHER->start;
		275	$WRITE_RUNTIME_WATCHER->start;
		276	};
		277	$WRITE_RUNTIME_WATCHER->stop;
268	$TICK_WATCHER->stop;	278	$TICK_WATCHER->stop;
269	$guard	279	$guard
270	}	280	}
		281
		282	=item cf::async { BLOCK }
		283
		284	Currently the same as Coro::async_pool, meaning you cannot use
		285	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		286	thing you are allowed to do is call C<prio> on it.
		287
		288	=cut
		289
		290	BEGIN { *async = \&Coro::async_pool }
271		291
272	=item cf::sync_job { BLOCK }	292	=item cf::sync_job { BLOCK }
273		293
274	The design of crossfire+ requires that the main coro ($Coro::main) is	294	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	295	always able to handle events or runnable, as crossfire+ is only partly
…		…
294	my $freeze_guard = freeze_mainloop;	314	my $freeze_guard = freeze_mainloop;
295		315
296	my $busy = 1;	316	my $busy = 1;
297	my @res;	317	my @res;
298		318
299	(Coro::async {	319	(async {
300	@res = eval { $job->() };	320	@res = eval { $job->() };
301	warn $@ if $@;	321	warn $@ if $@;
302	undef $busy;	322	undef $busy;
303	})->prio (Coro::PRIO_MAX);	323	})->prio (Coro::PRIO_MAX);
304		324
305	while ($busy) {	325	while ($busy) {
306	Coro::cede_notself;	326	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	327	}
309		328
310	wantarray ? @res : $res[0]	329	wantarray ? @res : $res[0]
311	} else {	330	} else {
312	# we are in another coroutine, how wonderful, everything just works	331	# we are in another coroutine, how wonderful, everything just works
313		332
314	$job->()	333	$job->()
315	}	334	}
316	}	335	}
317		336
318	=item $coro = cf::coro { BLOCK }	337	=item $coro = cf::async_ext { BLOCK }
319		338
320	Creates and returns a new coro. This coro is automcatially being canceled	339	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	340	extension calling this is being unloaded.
322		341
323	=cut	342	=cut
324		343
325	sub coro(&) {	344	sub async_ext(&) {
326	my $cb = shift;	345	my $cb = shift;
327		346
328	my $coro = &cf::async ($cb);	347	my $coro = &Coro::async ($cb);
329		348
330	$coro->on_destroy (sub {	349	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	350	delete $EXT_CORO{$coro+0};
332	});	351	});
333	$EXT_CORO{$coro+0} = $coro;	352	$EXT_CORO{$coro+0} = $coro;
…		…
339	my $runtime = cf::localdir . "/runtime";	358	my $runtime = cf::localdir . "/runtime";
340		359
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	361	or return;
343		362
		363	my $value = $cf::RUNTIME + 90 + 10;
344	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	364	# 10 is the runtime save interval, for a monotonic clock
		365	# 60 allows for the watchdog to kill the server.
		366
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	368	and return;
347		369
		370	# always fsync - this file is important
348	aio_fsync $fh	371	aio_fsync $fh
349	and return;	372	and return;
350		373
351	close $fh	374	close $fh
352	or return;	375	or return;
…		…
358	}	381	}
359		382
360	=back	383	=back
361		384
362	=cut	385	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($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		386
484	#############################################################################	387	#############################################################################
485		388
486	=head2 ATTACHABLE OBJECTS	389	=head2 ATTACHABLE OBJECTS
487		390
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	516	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	517	our @CB_MAP = ();
615		518
616	my %attachment;	519	my %attachment;
617		520
		521	sub cf::attachable::thawer_merge {
		522	# simply override everything except _meta
		523	local $_[0]{_meta};
		524	%{$_[0]} = %{$_[1]};
		525	}
		526
618	sub _attach_cb($$$$) {	527	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	528	my ($registry, $event, $prio, $cb) = @_;
620		529
621	use sort 'stable';	530	use sort 'stable';
622		531
…		…
793	# object support	702	# object support
794		703
795	sub reattach {	704	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	705	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	706	my ($obj) = @_;
		707
		708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		709
799	my $registry = $obj->registry;	710	my $registry = $obj->registry;
800		711
801	@$registry = ();	712	@$registry = ();
802		713
…		…
849	$filename, length $$rdata, scalar @$objs;	760	$filename, length $$rdata, scalar @$objs;
850		761
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	763	chmod SAVE_MODE, $fh;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
854	aio_fsync $fh;	765	aio_fsync $fh if $cf::USE_FSYNC;
855	close $fh;	766	close $fh;
856		767
857	if (@$objs) {	768	if (@$objs) {
858	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
859	chmod SAVE_MODE, $fh;	770	chmod SAVE_MODE, $fh;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	771	my $data = Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	772	aio_write $fh, 0, (length $data), $data, 0;
862	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
863	close $fh;	774	close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	775	aio_rename "$filename.pst~", "$filename.pst";
865	}	776	}
866	} else {	777	} else {
867	aio_unlink "$filename.pst";	778	aio_unlink "$filename.pst";
…		…
873	}	784	}
874	} else {	785	} else {
875	aio_unlink $filename;	786	aio_unlink $filename;
876	aio_unlink "$filename.pst";	787	aio_unlink "$filename.pst";
877	}	788	}
		789
		790	#d##TODO# nuke non .map-files if exist
		791	if ($filename =~ s/\.map$//) {
		792	aio_unlink $filename;
		793	aio_unlink "$filename.pst";
		794	}
878	}	795	}
879	}	796	}
880		797
881	sub object_freezer_as_string {	798	sub object_freezer_as_string {
882	my ($rdata, $objs) = @_;	799	my ($rdata, $objs) = @_;
…		…
888		805
889	sub object_thawer_load {	806	sub object_thawer_load {
890	my ($filename) = @_;	807	my ($filename) = @_;
891		808
892	my ($data, $av);	809	my ($data, $av);
		810
		811	#d#TODO remove .map if file does not exist
		812	aio_stat $filename and $filename =~ s/\.map$//;
893		813
894	(aio_load $filename, $data) >= 0	814	(aio_load $filename, $data) >= 0
895	or return;	815	or return;
896		816
897	unless (aio_stat "$filename.pst") {	817	unless (aio_stat "$filename.pst") {
…		…
934	=cut	854	=cut
935		855
936	sub register_extcmd {	856	sub register_extcmd {
937	my ($name, $cb) = @_;	857	my ($name, $cb) = @_;
938		858
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	859	$EXTCMD{$name} = $cb;
943	}	860	}
944		861
945	cf::player->attach (	862	cf::player->attach (
946	on_command => sub {	863	on_command => sub {
947	my ($pl, $name, $params) = @_;	864	my ($pl, $name, $params) = @_;
…		…
960		877
961	my $msg = eval { from_json $buf };	878	my $msg = eval { from_json $buf };
962		879
963	if (ref $msg) {	880	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	882	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	883	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	884	}
968	}	885	}
969	} else {	886	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		889
973	cf::override;	890	cf::override;
974	},	891	},
975	);	892	);
976		893
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	894	sub load_extension {
984	my ($path) = @_;	895	my ($path) = @_;
985		896
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	898	my $base = $1;
988	my $pkg = $1;	899	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	900	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	901	$pkg = "ext::$pkg";
991		902
992	warn "loading '$path' into '$pkg'\n";	903	warn "... loading '$path' into '$pkg'\n";
993		904
994	open my $fh, "<:utf8", $path	905	open my $fh, "<:utf8", $path
995	or die "$path: $!";	906	or die "$path: $!";
996		907
997	my $source =	908	my $source =
998	"package $pkg; use strict; use utf8;\n"	909	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	910	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	911	. (do { local $/; <$fh> })
1001	. "\n};\n1";	912	. "\n};\n1";
1002		913
1003	eval $source	914	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	915	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	916	: "extension disabled.\n";
1006		917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	918	warn $@;
1008	$ext_pkg{$base} = $pkg;	919	warn "mandatory extension failed to load, exiting.\n";
1009		920	exit 1;
1010	# no strict 'refs';	921	}
1011	# @{"$pkg\::ISA"} = ext::;	922	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	# }	923	}
1026		924
1027	# remove commands	925	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	}	926	}
1052		927
1053	sub load_extensions {	928	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	929	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	930	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	934	} or warn "$ext not loaded: $@";
1060	}	935	}
1061	}	936	}
1062		937
1063	#############################################################################	938	#############################################################################
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		939
1101	=head2 CORE EXTENSIONS	940	=head2 CORE EXTENSIONS
1102		941
1103	Functions and methods that extend core crossfire objects.	942	Functions and methods that extend core crossfire objects.
1104		943
		944	=cut
		945
		946	package cf::player;
		947
		948	use Coro::AIO;
		949
1105	=head3 cf::player	950	=head3 cf::player
1106		951
1107	=over 4	952	=over 4
1108		953
1109	=item cf::player::exists $login	954	=item cf::player::find $login
1110		955
1111	Returns true when the given account exists.	956	Returns the given player object, loading it if necessary (might block).
1112		957
1113	=cut	958	=cut
1114		959
1115	sub cf::player::exists($) {	960	sub playerdir($) {
1116	cf::player::find $_[0]	961	cf::localdir
1117	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	962	. "/"
		963	. cf::playerdir
		964	. "/"
		965	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		966	}
		967
		968	sub path($) {
		969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		970
		971	(playerdir $login) . "/$login.pl"
		972	}
		973
		974	sub find_active($) {
		975	$cf::PLAYER{$_[0]}
		976	and $cf::PLAYER{$_[0]}->active
		977	and $cf::PLAYER{$_[0]}
		978	}
		979
		980	sub exists($) {
		981	my ($login) = @_;
		982
		983	$cf::PLAYER{$login}
		984	or cf::sync_job { !aio_stat path $login }
		985	}
		986
		987	sub find($) {
		988	return $cf::PLAYER{$_[0]} || do {
		989	my $login = $_[0];
		990
		991	my $guard = cf::lock_acquire "user_find:$login";
		992
		993	$cf::PLAYER{$_[0]} || do {
		994	my $pl = load_pl path $login
		995	or return;
		996	$cf::PLAYER{$login} = $pl
		997	}
		998	}
		999	}
		1000
		1001	sub save($) {
		1002	my ($pl) = @_;
		1003
		1004	return if $pl->{deny_save};
		1005
		1006	my $path = path $pl;
		1007	my $guard = cf::lock_acquire "user_save:$path";
		1008
		1009	return if $pl->{deny_save};
		1010
		1011	aio_mkdir playerdir $pl, 0770;
		1012	$pl->{last_save} = $cf::RUNTIME;
		1013
		1014	$pl->save_pl ($path);
		1015	Coro::cede;
		1016	}
		1017
		1018	sub new($) {
		1019	my ($login) = @_;
		1020
		1021	my $self = create;
		1022
		1023	$self->ob->name ($login);
		1024	$self->{deny_save} = 1;
		1025
		1026	$cf::PLAYER{$login} = $self;
		1027
		1028	$self
		1029	}
		1030
		1031	=item $pl->quit_character
		1032
		1033	Nukes the player without looking back. If logged in, the connection will
		1034	be destroyed. May block for a long time.
		1035
		1036	=cut
		1037
		1038	sub quit_character {
		1039	my ($pl) = @_;
		1040
		1041	$pl->{deny_save} = 1;
		1042	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1043
		1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1045	$pl->deactivate;
		1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1047	$pl->ns->destroy if $pl->ns;
		1048
		1049	my $path = playerdir $pl;
		1050	my $temp = "$path~$cf::RUNTIME~deleting~";
		1051	aio_rename $path, $temp;
		1052	delete $cf::PLAYER{$pl->ob->name};
		1053	$pl->destroy;
		1054	IO::AIO::aio_rmtree $temp;
		1055	}
		1056
		1057	=item cf::player::list_logins
		1058
		1059	Returns am arrayref of all valid playernames in the system, can take a
		1060	while and may block, so not sync_job-capable, ever.
		1061
		1062	=cut
		1063
		1064	sub list_logins {
		1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1066	or return [];
		1067
		1068	my @logins;
		1069
		1070	for my $login (@$dirs) {
		1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1072	aio_read $fh, 0, 512, my $buf, 0 or next;
		1073	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1074
		1075	utf8::decode $login;
		1076	push @logins, $login;
		1077	}
		1078
		1079	\@logins
		1080	}
		1081
		1082	=item $player->maps
		1083
		1084	Returns an arrayref of map paths that are private for this
		1085	player. May block.
		1086
		1087	=cut
		1088
		1089	sub maps($) {
		1090	my ($pl) = @_;
		1091
		1092	$pl = ref $pl ? $pl->ob->name : $pl;
		1093
		1094	my $files = aio_readdir playerdir $pl
		1095	or return;
		1096
		1097	my @paths;
		1098
		1099	for (@$files) {
		1100	utf8::decode $_;
		1101	next if /\.(?:pl|pst)$/;
		1102	next unless /^$PATH_SEP/o;
		1103
		1104	push @paths, cf::map::normalise "~$pl/$_";
		1105	}
		1106
		1107	\@paths
1118	}	1108	}
1119		1109
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1110	=item $player->ext_reply ($msgid, $msgtype, %msg)
1121		1111
1122	Sends an ext reply to the player.	1112	Sends an ext reply to the player.
1123		1113
1124	=cut	1114	=cut
1125		1115
1126	sub cf::player::ext_reply($$$%) {	1116	sub ext_reply($$$%) {
1127	my ($self, $id, %msg) = @_;	1117	my ($self, $id, %msg) = @_;
1128		1118
1129	$msg{msgid} = $id;	1119	$msg{msgid} = $id;
1130		1120
1131	$self->send ("ext " . to_json \%msg);	1121	$self->send ("ext " . cf::to_json \%msg);
1132	}	1122	}
		1123
		1124	package cf;
1133		1125
1134	=back	1126	=back
1135		1127
1136		1128
1137	=head3 cf::map	1129	=head3 cf::map
…		…
1143	package cf::map;	1135	package cf::map;
1144		1136
1145	use Fcntl;	1137	use Fcntl;
1146	use Coro::AIO;	1138	use Coro::AIO;
1147		1139
		1140	use overload
		1141	'""' => \&as_string,
		1142	fallback => 1;
		1143
1148	our $MAX_RESET = 3600;	1144	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1145	our $DEFAULT_RESET = 3000;
1150		1146
1151	sub generate_random_map {	1147	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1148	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1149	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1150	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1154	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1155	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(cf::region::find $rmp->{region})	1161	(cf::region::find $rmp->{region}), $rmp->{custom}
		1162	)
		1163	}
		1164
		1165	=item cf::map->register ($regex, $prio)
		1166
		1167	Register a handler for the map path matching the given regex at the
		1168	givne priority (higher is better, built-in handlers have priority 0, the
		1169	default).
		1170
		1171	=cut
		1172
		1173	sub register {
		1174	my (undef, $regex, $prio) = @_;
		1175	my $pkg = caller;
		1176
		1177	no strict;
		1178	push @{"$pkg\::ISA"}, __PACKAGE__;
		1179
		1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1181	}
		1182
		1183	# also paths starting with '/'
		1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1185
		1186	sub thawer_merge {
		1187	my ($self, $merge) = @_;
		1188
		1189	# we have to keep some variables in memory intact
		1190	local $self->{path};
		1191	local $self->{load_path};
		1192	local $self->{deny_save};
		1193	local $self->{deny_reset};
		1194
		1195	$self->SUPER::thawer_merge ($merge);
		1196	}
		1197
		1198	sub normalise {
		1199	my ($path, $base) = @_;
		1200
		1201	$path = "$path"; # make sure its a string
		1202
		1203	$path =~ s/\.map$//;
		1204
		1205	# map plan:
		1206	#
		1207	# /! non-realised random map exit (special hack!)
		1208	# {... are special paths that are not being touched
		1209	# ?xxx/... are special absolute paths
		1210	# ?random/... random maps
		1211	# /... normal maps
		1212	# ~user/... per-player map of a specific user
		1213
		1214	$path =~ s/$PATH_SEP/\//go;
		1215
		1216	# treat it as relative path if it starts with
		1217	# something that looks reasonable
		1218	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1219	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1220
		1221	$base =~ s{[^/]+/?$}{};
		1222	$path = "$base/$path";
		1223	}
		1224
		1225	for ($path) {
		1226	redo if s{//}{/};
		1227	redo if s{/\.?/}{/};
		1228	redo if s{/[^/]+/\.\./}{/};
		1229	}
		1230
		1231	$path
		1232	}
		1233
		1234	sub new_from_path {
		1235	my (undef, $path, $base) = @_;
		1236
		1237	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1238
		1239	$path = normalise $path, $base;
		1240
		1241	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1242	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1243	my $self = bless cf::map::new, $pkg;
		1244	$self->{path} = $path; $self->path ($path);
		1245	$self->init; # pass $1 etc.
		1246	return $self;
		1247	}
		1248	}
		1249
		1250	Carp::carp "unable to resolve path '$path' (base '$base').";
		1251	()
		1252	}
		1253
		1254	sub init {
		1255	my ($self) = @_;
		1256
		1257	$self
		1258	}
		1259
		1260	sub as_string {
		1261	my ($self) = @_;
		1262
		1263	"$self->{path}"
		1264	}
		1265
		1266	# the displayed name, this is a one way mapping
		1267	sub visible_name {
		1268	&as_string
		1269	}
		1270
		1271	# the original (read-only) location
		1272	sub load_path {
		1273	my ($self) = @_;
		1274
		1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1276	}
		1277
		1278	# the temporary/swap location
		1279	sub save_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1284	}
		1285
		1286	# the unique path, undef == no special unique path
		1287	sub uniq_path {
		1288	my ($self) = @_;
		1289
		1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1168	}	1292	}
1169		1293
1170	# and all this just because we cannot iterate over	1294	# and all this just because we cannot iterate over
1171	# all maps in C++...	1295	# all maps in C++...
1172	sub change_all_map_light {	1296	sub change_all_map_light {
…		…
1174		1298
1175	$_->change_map_light ($change)	1299	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1300	for grep $_->outdoor, values %cf::MAP;
1177	}	1301	}
1178		1302
		1303	sub unlink_save {
		1304	my ($self) = @_;
		1305
		1306	utf8::encode (my $save = $self->save_path);
		1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1309
		1310	#d#TODO remove .map and also nuke
		1311	$save =~ s/\.map// or return;#d#
		1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1314	}
		1315
1179	sub try_load_header($) {	1316	sub load_header_from($) {
1180	my ($path) = @_;	1317	my ($self, $path) = @_;
1181		1318
1182	utf8::encode $path;	1319	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1320	#aio_open $path, O_RDONLY, 0
		1321	# or return;
		1322
		1323	$self->_load_header ($path)
1184	or return;	1324	or return;
1185		1325
1186	my $map = cf::map::new	1326	$self->{load_path} = $path;
		1327
		1328	1
		1329	}
		1330
		1331	sub load_header_orig {
		1332	my ($self) = @_;
		1333
		1334	$self->load_header_from ($self->load_path)
		1335	}
		1336
		1337	sub load_header_temp {
		1338	my ($self) = @_;
		1339
		1340	$self->load_header_from ($self->save_path)
		1341	}
		1342
		1343	sub prepare_temp {
		1344	my ($self) = @_;
		1345
		1346	$self->last_access ((delete $self->{last_access})
		1347	|| $cf::RUNTIME); #d#
		1348	# safety
		1349	$self->{instantiate_time} = $cf::RUNTIME
		1350	if $self->{instantiate_time} > $cf::RUNTIME;
		1351	}
		1352
		1353	sub prepare_orig {
		1354	my ($self) = @_;
		1355
		1356	$self->{load_original} = 1;
		1357	$self->{instantiate_time} = $cf::RUNTIME;
		1358	$self->last_access ($cf::RUNTIME);
		1359	$self->instantiate;
		1360	}
		1361
		1362	sub load_header {
		1363	my ($self) = @_;
		1364
		1365	if ($self->load_header_temp) {
		1366	$self->prepare_temp;
		1367	} else {
		1368	$self->load_header_orig
1187	or return;	1369	or return;
		1370	$self->prepare_orig;
		1371	}
1188		1372
1189	$map->load_header ($path)	1373	1
1190	or return;
1191
1192	$map->{load_path} = $path;
1193
1194	$map
1195	}	1374	}
1196		1375
1197	sub find;	1376	sub find;
1198	sub find {	1377	sub find {
1199	my ($path, $origin) = @_;	1378	my ($path, $origin) = @_;
1200		1379
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1380	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1381
1206	cf::lock_wait "map_find:$key";	1382	cf::lock_wait "map_find:$path";
1207		1383
1208	$cf::MAP{$key} || do {	1384	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1385	my $guard = cf::lock_acquire "map_find:$path";
1210		1386	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;	1387	or return;
1228		1388
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;	1389	$map->{last_save} = $cf::RUNTIME;
1241		1390
1242	if ($map->should_reset) {	1391	$map->load_header
		1392	or return;
		1393
		1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1395	# doing this can freeze the server in a sync job, obviously
		1396	#$cf::WAIT_FOR_TICK->wait;
1243	$map->reset;	1397	$map->reset;
1244	undef $guard;	1398	undef $guard;
1245	$map = find $path	1399	return find $path;
1246	or return;
1247	}	1400	}
1248		1401
1249	$cf::MAP{$key} = $map	1402	$cf::MAP{$path} = $map
1250	}	1403	}
1251	}	1404	}
		1405
		1406	sub pre_load { }
		1407	sub post_load { }
1252		1408
1253	sub load {	1409	sub load {
1254	my ($self) = @_;	1410	my ($self) = @_;
1255		1411
		1412	local $self->{deny_reset} = 1; # loading can take a long time
		1413
1256	my $path = $self->{path};	1414	my $path = $self->{path};
1257	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1415	my $guard = cf::lock_acquire "map_load:$path";
1258		1416
1259	return if $self->in_memory != cf::MAP_SWAPPED;	1417	return if $self->in_memory != cf::MAP_SWAPPED;
1260		1418
1261	$self->in_memory (cf::MAP_LOADING);	1419	$self->in_memory (cf::MAP_LOADING);
1262		1420
1263	$self->alloc;	1421	$self->alloc;
		1422
		1423	$self->pre_load;
		1424
1264	$self->load_objects ($self->{load_path}, 1)	1425	$self->_load_objects ($self->{load_path}, 1)
1265	or return;	1426	or return;
1266		1427
1267	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1268	if delete $self->{load_original};	1429	if delete $self->{load_original};
1269		1430
1270	if (my $uniq = $path->uniq_path) {	1431	if (my $uniq = $self->uniq_path) {
1271	utf8::encode $uniq;	1432	utf8::encode $uniq;
1272	if (aio_open $uniq, O_RDONLY, 0) {	1433	if (aio_open $uniq, O_RDONLY, 0) {
1273	$self->clear_unique_items;	1434	$self->clear_unique_items;
1274	$self->load_objects ($uniq, 0);	1435	$self->_load_objects ($uniq, 0);
1275	}	1436	}
1276	}	1437	}
		1438
		1439	Coro::cede;
1277		1440
1278	# now do the right thing for maps	1441	# now do the right thing for maps
1279	$self->link_multipart_objects;	1442	$self->link_multipart_objects;
1280		1443
1281	if ($self->{path}->is_style_map) {	1444	unless ($self->{deny_activate}) {
1282	$self->{deny_save} = 1;	1445	$self->decay_objects;
1283	$self->{deny_reset} = 1;
1284	} else {
1285	$self->fix_auto_apply;	1446	$self->fix_auto_apply;
1286	$self->decay_objects;
1287	$self->update_buttons;	1447	$self->update_buttons;
		1448	Coro::cede;
1288	$self->set_darkness_map;	1449	$self->set_darkness_map;
1289	$self->difficulty ($self->estimate_difficulty)	1450	$self->difficulty ($self->estimate_difficulty)
1290	unless $self->difficulty;	1451	unless $self->difficulty;
		1452	Coro::cede;
1291	$self->activate;	1453	$self->activate;
1292	}	1454	}
1293		1455
		1456	$self->post_load;
		1457
1294	$self->in_memory (cf::MAP_IN_MEMORY);	1458	$self->in_memory (cf::MAP_IN_MEMORY);
		1459	}
		1460
		1461	sub customise_for {
		1462	my ($self, $ob) = @_;
		1463
		1464	return find "~" . $ob->name . "/" . $self->{path}
		1465	if $self->per_player;
		1466
		1467	$self
		1468	}
		1469
		1470	# find and load all maps in the 3x3 area around a map
		1471	sub load_diag {
		1472	my ($map) = @_;
		1473
		1474	my @diag; # diagonal neighbours
		1475
		1476	for (0 .. 3) {
		1477	my $neigh = $map->tile_path ($_)
		1478	or next;
		1479	$neigh = find $neigh, $map
		1480	or next;
		1481	$neigh->load;
		1482
		1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1485	}
		1486
		1487	for (@diag) {
		1488	my $neigh = find @$_
		1489	or next;
		1490	$neigh->load;
		1491	}
1295	}	1492	}
1296		1493
1297	sub find_sync {	1494	sub find_sync {
1298	my ($path, $origin) = @_;	1495	my ($path, $origin) = @_;
1299		1496
1300	cf::sync_job { cf::map::find $path, $origin }	1497	cf::sync_job { find $path, $origin }
1301	}	1498	}
1302		1499
1303	sub do_load_sync {	1500	sub do_load_sync {
1304	my ($map) = @_;	1501	my ($map) = @_;
1305		1502
1306	cf::sync_job { $map->load };	1503	cf::sync_job { $map->load };
1307	}	1504	}
1308		1505
		1506	our %MAP_PREFETCH;
		1507	our $MAP_PREFETCHER = undef;
		1508
		1509	sub find_async {
		1510	my ($path, $origin) = @_;
		1511
		1512	$path = normalise $path, $origin && $origin->{path};
		1513
		1514	if (my $map = $cf::MAP{$path}) {
		1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1516	}
		1517
		1518	undef $MAP_PREFETCH{$path};
		1519	$MAP_PREFETCHER ||= cf::async {
		1520	while (%MAP_PREFETCH) {
		1521	for my $path (keys %MAP_PREFETCH) {
		1522	my $map = find $path
		1523	or next;
		1524	$map->load;
		1525
		1526	delete $MAP_PREFETCH{$path};
		1527	}
		1528	}
		1529	undef $MAP_PREFETCHER;
		1530	};
		1531	$MAP_PREFETCHER->prio (6);
		1532
		1533	()
		1534	}
		1535
1309	sub save {	1536	sub save {
1310	my ($self) = @_;	1537	my ($self) = @_;
1311		1538
		1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1540
1312	$self->{last_save} = $cf::RUNTIME;	1541	$self->{last_save} = $cf::RUNTIME;
1313		1542
1314	return unless $self->dirty;	1543	return unless $self->dirty;
1315		1544
1316	my $save = $self->{path}->save_path; utf8::encode $save;	1545	my $save = $self->save_path; utf8::encode $save;
1317	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1546	my $uniq = $self->uniq_path; utf8::encode $uniq;
1318		1547
1319	$self->{load_path} = $save;	1548	$self->{load_path} = $save;
1320		1549
1321	return if $self->{deny_save};	1550	return if $self->{deny_save};
1322		1551
1323	local $self->{last_access} = $self->last_access;#d#	1552	local $self->{last_access} = $self->last_access;#d#
1324		1553
		1554	cf::async {
		1555	$_->contr->save for $self->players;
		1556	};
		1557
1325	if ($uniq) {	1558	if ($uniq) {
1326	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1327	$self->save_objects ($uniq, cf::IO_UNIQUES);	1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1328	} else {	1561	} else {
1329	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1330	}	1563	}
1331	}	1564	}
1332		1565
1333	sub swap_out {	1566	sub swap_out {
1334	my ($self) = @_;	1567	my ($self) = @_;
1335		1568
1336	# save first because save cedes	1569	# save first because save cedes
1337	$self->save;	1570	$self->save;
		1571
		1572	my $lock = cf::lock_acquire "map_data:" . $self->path;
1338		1573
1339	return if $self->players;	1574	return if $self->players;
1340	return if $self->in_memory != cf::MAP_IN_MEMORY;	1575	return if $self->in_memory != cf::MAP_IN_MEMORY;
1341	return if $self->{deny_save};	1576	return if $self->{deny_save};
1342		1577
…		…
1346		1581
1347	sub reset_at {	1582	sub reset_at {
1348	my ($self) = @_;	1583	my ($self) = @_;
1349		1584
1350	# TODO: safety, remove and allow resettable per-player maps	1585	# TODO: safety, remove and allow resettable per-player maps
1351	return 1e99 if $self->{path}{user_rel};	1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1352	return 1e99 if $self->{deny_reset};	1587	return 1e99 if $self->{deny_reset};
1353		1588
1354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1356		1591
…		…
1361	my ($self) = @_;	1596	my ($self) = @_;
1362		1597
1363	$self->reset_at <= $cf::RUNTIME	1598	$self->reset_at <= $cf::RUNTIME
1364	}	1599	}
1365		1600
1366	sub unlink_save {
1367	my ($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	$self->save;
1385	}
1386
1387	sub reset {	1601	sub reset {
1388	my ($self) = @_;	1602	my ($self) = @_;
1389		1603
		1604	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1605
1390	return if $self->players;	1606	return if $self->players;
1391	return if $self->{path}{user_rel};#d#	1607	return if $self->isa ("ext::map_per_player");#d#
1392		1608
1393	warn "resetting map ", $self->path;#d#	1609	warn "resetting map ", $self->path;#d#
1394		1610
1395	delete $cf::MAP{$self->path};	1611	delete $cf::MAP{$self->path};
		1612
		1613	$self->in_memory (cf::MAP_SWAPPED);
		1614	$self->clear;
1396		1615
1397	$_->clear_links_to ($self) for values %cf::MAP;	1616	$_->clear_links_to ($self) for values %cf::MAP;
1398		1617
1399	$self->unlink_save;	1618	$self->unlink_save;
1400	$self->destroy;	1619	$self->destroy;
…		…
1403	my $nuke_counter = "aaaa";	1622	my $nuke_counter = "aaaa";
1404		1623
1405	sub nuke {	1624	sub nuke {
1406	my ($self) = @_;	1625	my ($self) = @_;
1407		1626
		1627	delete $cf::MAP{$self->path};
		1628
		1629	$self->unlink_save;
		1630
		1631	bless $self, "cf::map";
		1632	delete $self->{deny_reset};
1408	$self->{deny_save} = 1;	1633	$self->{deny_save} = 1;
1409	$self->reset_timeout (1);	1634	$self->reset_timeout (1);
1410	$self->rename ("{nuke}/" . ($nuke_counter++));	1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1636
		1637	$cf::MAP{$self->path} = $self;
		1638
1411	$self->reset; # polite request, might not happen	1639	$self->reset; # polite request, might not happen
1412	}	1640	}
1413		1641
1414	sub customise_for {	1642	=item cf::map::unique_maps
1415	my ($map, $ob) = @_;
1416		1643
1417	if ($map->per_player) {	1644	Returns an arrayref of paths of all shared maps that have
1418	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1645	instantiated unique items. May block.
1419	}
1420		1646
1421	$map	1647	=cut
1422	}
1423		1648
1424	sub emergency_save {	1649	sub unique_maps() {
1425	my $freeze_guard = cf::freeze_mainloop;	1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1651	or return;
1426		1652
1427	warn "enter emergency map save\n";	1653	my @paths;
1428		1654
1429	cf::sync_job {	1655	for (@$files) {
1430	warn "begin emergency map save\n";	1656	utf8::decode $_;
1431	$_->save for values %cf::MAP;	1657	next if /\.pst$/;
		1658	next unless /^$PATH_SEP/o;
		1659
		1660	push @paths, cf::map::normalise $_;
1432	};	1661	}
1433		1662
1434	warn "end emergency map save\n";	1663	\@paths
1435	}	1664	}
1436		1665
1437	package cf;	1666	package cf;
1438		1667
1439	=back	1668	=back
1440		1669
		1670	=head3 cf::object
		1671
		1672	=cut
		1673
		1674	package cf::object;
		1675
		1676	=over 4
		1677
		1678	=item $ob->inv_recursive
		1679
		1680	Returns the inventory of the object _and_ their inventories, recursively.
		1681
		1682	=cut
		1683
		1684	sub inv_recursive_;
		1685	sub inv_recursive_ {
		1686	map { $_, inv_recursive_ $_->inv } @_
		1687	}
		1688
		1689	sub inv_recursive {
		1690	inv_recursive_ inv $_[0]
		1691	}
		1692
		1693	package cf;
		1694
		1695	=back
1441		1696
1442	=head3 cf::object::player	1697	=head3 cf::object::player
1443		1698
1444	=over 4	1699	=over 4
1445		1700
…		…
1485		1740
1486	=item $player_object->enter_link	1741	=item $player_object->enter_link
1487		1742
1488	Freezes the player and moves him/her to a special map (C<{link}>).	1743	Freezes the player and moves him/her to a special map (C<{link}>).
1489		1744
1490	The player should be reaosnably safe there for short amounts of time. You	1745	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.	1746	I<MUST> call C<leave_link> as soon as possible, though.
1492		1747
		1748	Will never block.
		1749
1493	=item $player_object->leave_link ($map, $x, $y)	1750	=item $player_object->leave_link ($map, $x, $y)
1494		1751
1495	Moves the player out of the specila link map onto the given map. If the	1752	Moves the player out of the special C<{link}> map onto the specified
1496	map is not valid (or omitted), the player will be moved back to the	1753	map. If the map is not valid (or omitted), the player will be moved back
1497	location he/she was before the call to C<enter_link>, or, if that fails,	1754	to the location he/she was before the call to C<enter_link>, or, if that
1498	to the emergency map position.	1755	fails, to the emergency map position.
1499		1756
1500	Might block.	1757	Might block.
1501		1758
1502	=cut	1759	=cut
		1760
		1761	sub link_map {
		1762	unless ($LINK_MAP) {
		1763	$LINK_MAP = cf::map::find "{link}"
		1764	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1765	$LINK_MAP->load;
		1766	}
		1767
		1768	$LINK_MAP
		1769	}
1503		1770
1504	sub cf::object::player::enter_link {	1771	sub cf::object::player::enter_link {
1505	my ($self) = @_;	1772	my ($self) = @_;
1506		1773
1507	$self->deactivate_recursive;	1774	$self->deactivate_recursive;
1508		1775
1509	return if $self->map == $LINK_MAP;	1776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1510		1777
1511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1512	if $self->map;	1779	if $self->map;
1513		1780
1514	$self->enter_map ($LINK_MAP, 20, 20);	1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1515	}	1782	}
1516		1783
1517	sub cf::object::player::leave_link {	1784	sub cf::object::player::leave_link {
1518	my ($self, $map, $x, $y) = @_;	1785	my ($self, $map, $x, $y) = @_;
1519		1786
…		…
1537	# use -1 or undef as default coordinates, not 0, 0	1804	# use -1 or undef as default coordinates, not 0, 0
1538	($x, $y) = ($map->enter_x, $map->enter_y)	1805	($x, $y) = ($map->enter_x, $map->enter_y)
1539	if $x <=0 && $y <= 0;	1806	if $x <=0 && $y <= 0;
1540		1807
1541	$map->load;	1808	$map->load;
		1809	$map->load_diag;
1542		1810
		1811	return unless $self->contr->active;
1543	$self->activate_recursive;	1812	$self->activate_recursive;
1544	$self->enter_map ($map, $x, $y);	1813	$self->enter_map ($map, $x, $y);
1545	}	1814	}
1546		1815
1547	cf::player->attach (	1816	cf::player->attach (
…		…
1560		1829
1561	# try to abort aborted map switching on player login :)	1830	# try to abort aborted map switching on player login :)
1562	# should happen only on crashes	1831	# should happen only on crashes
1563	if ($pl->ob->{_link_pos}) {	1832	if ($pl->ob->{_link_pos}) {
1564	$pl->ob->enter_link;	1833	$pl->ob->enter_link;
1565	cf::async {	1834	(async {
1566	# we need this sleep as the login has a concurrent enter_exit running	1835	# 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	1836	# and this sleep increases chances of the player not ending up in scorn
		1837	$pl->ob->reply (undef,
		1838	"There was an internal problem at your last logout, "
		1839	. "the server will try to bring you to your intended destination in a second.",
		1840	cf::NDI_RED);
1568	Coro::Timer::sleep 1;	1841	Coro::Timer::sleep 1;
1569	$pl->ob->leave_link;	1842	$pl->ob->leave_link;
1570	};	1843	})->prio (2);
1571	}	1844	}
1572	},	1845	},
1573	);	1846	);
1574		1847
1575	=item $player_object->goto_map ($path, $x, $y)	1848	=item $player_object->goto ($path, $x, $y)
1576		1849
1577	=cut	1850	=cut
1578		1851
1579	sub cf::object::player::goto_map {	1852	sub cf::object::player::goto {
1580	my ($self, $path, $x, $y) = @_;	1853	my ($self, $path, $x, $y) = @_;
1581		1854
1582	$self->enter_link;	1855	$self->enter_link;
1583		1856
1584	(cf::async {	1857	(async {
1585	$path = new cf::path $path;	1858	my $map = eval {
1586
1587	my $map = cf::map::find $path->as_string;	1859	my $map = cf::map::find $path;
1588	$map = $map->customise_for ($self) if $map;	1860	$map = $map->customise_for ($self) if $map;
1589		1861	$map
1590	# warn "entering ", $map->path, " at ($x, $y)\n"	1862	} or
1591	# if $map;
1592
1593	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1594		1864
1595	$self->leave_link ($map, $x, $y);	1865	$self->leave_link ($map, $x, $y);
1596	})->prio (1);	1866	})->prio (1);
1597	}	1867	}
1598		1868
…		…
1602		1872
1603	sub parse_random_map_params {	1873	sub parse_random_map_params {
1604	my ($spec) = @_;	1874	my ($spec) = @_;
1605		1875
1606	my $rmp = { # defaults	1876	my $rmp = { # defaults
1607	xsize => 10,	1877	xsize => (cf::rndm 15, 40),
1608	ysize => 10,	1878	ysize => (cf::rndm 15, 40),
		1879	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1880	#layout => string,
1609	};	1881	};
1610		1882
1611	for (split /\n/, $spec) {	1883	for (split /\n/, $spec) {
1612	my ($k, $v) = split /\s+/, $_, 2;	1884	my ($k, $v) = split /\s+/, $_, 2;
1613		1885
…		…
1617	$rmp	1889	$rmp
1618	}	1890	}
1619		1891
1620	sub prepare_random_map {	1892	sub prepare_random_map {
1621	my ($exit) = @_;	1893	my ($exit) = @_;
		1894
		1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1622		1896
1623	# all this does is basically replace the /! path by	1897	# all this does is basically replace the /! path by
1624	# a new random map path (?random/...) with a seed	1898	# a new random map path (?random/...) with a seed
1625	# that depends on the exit object	1899	# that depends on the exit object
1626		1900
1627	my $rmp = parse_random_map_params $exit->msg;	1901	my $rmp = parse_random_map_params $exit->msg;
1628		1902
1629	if ($exit->map) {	1903	if ($exit->map) {
1630	$rmp->{region} = $exit->map->region_name;	1904	$rmp->{region} = $exit->region->name;
1631	$rmp->{origin_map} = $exit->map->path;	1905	$rmp->{origin_map} = $exit->map->path;
1632	$rmp->{origin_x} = $exit->x;	1906	$rmp->{origin_x} = $exit->x;
1633	$rmp->{origin_y} = $exit->y;	1907	$rmp->{origin_y} = $exit->y;
1634	}	1908	}
1635		1909
1636	$rmp->{random_seed} ||= $exit->random_seed;	1910	$rmp->{random_seed} ||= $exit->random_seed;
1637		1911
1638	my $data = cf::to_json $rmp;	1912	my $data = cf::to_json $rmp;
1639	my $md5 = Digest::MD5::md5_hex $data;	1913	my $md5 = Digest::MD5::md5_hex $data;
		1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1640		1915
1641	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1642	aio_write $fh, 0, (length $data), $data, 0;	1917	aio_write $fh, 0, (length $data), $data, 0;
		1918	undef $fh;
		1919	aio_rename "$meta~", $meta;
1643		1920
1644	$exit->slaying ("?random/$md5");	1921	$exit->slaying ("?random/$md5");
1645	$exit->msg (undef);	1922	$exit->msg (undef);
1646	}	1923	}
1647	}	1924	}
…		…
1649	sub cf::object::player::enter_exit {	1926	sub cf::object::player::enter_exit {
1650	my ($self, $exit) = @_;	1927	my ($self, $exit) = @_;
1651		1928
1652	return unless $self->type == cf::PLAYER;	1929	return unless $self->type == cf::PLAYER;
1653		1930
		1931	if ($exit->slaying eq "/!") {
		1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1933	cf::sync_job { prepare_random_map $exit };
		1934	}
		1935
		1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1937	my $hp = $exit->stats->hp;
		1938	my $sp = $exit->stats->sp;
		1939
1654	$self->enter_link;	1940	$self->enter_link;
1655		1941
1656	(cf::async {	1942	(async {
1657	$self->deactivate_recursive; # just to be sure	1943	$self->deactivate_recursive; # just to be sure
1658	unless (eval {	1944	unless (eval {
1659	prepare_random_map $exit	1945	$self->goto ($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		1946
1665	1;	1947	1;
1666	}) {	1948	}) {
1667	$self->message ("Something went wrong deep within the crossfire server. "	1949	$self->message ("Something went wrong deep within the crossfire server. "
1668	. "I'll try to bring you back to the map you were before. "	1950	. "I'll try to bring you back to the map you were before. "
1669	. "Please report this to the dungeon master",	1951	. "Please report this to the dungeon master!",
1670	cf::NDI_UNIQUE | cf::NDI_RED);	1952	cf::NDI_UNIQUE | cf::NDI_RED);
1671		1953
1672	warn "ERROR in enter_exit: $@";	1954	warn "ERROR in enter_exit: $@";
1673	$self->leave_link;	1955	$self->leave_link;
1674	}	1956	}
…		…
1729	# get handled first	2011	# get handled first
1730	my $queue = delete $ns->{query_queue}	2012	my $queue = delete $ns->{query_queue}
1731	or return; # be conservative, not sure how that can happen, but we saw a crash here	2013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1732		2014
1733	(shift @$queue)->[1]->($msg);	2015	(shift @$queue)->[1]->($msg);
		2016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1734		2017
1735	push @{ $ns->{query_queue} }, @$queue;	2018	push @{ $ns->{query_queue} }, @$queue;
1736		2019
1737	if (@{ $ns->{query_queue} } == @$queue) {	2020	if (@{ $ns->{query_queue} } == @$queue) {
1738	if (@$queue) {	2021	if (@$queue) {
…		…
1742	}	2025	}
1743	}	2026	}
1744	},	2027	},
1745	);	2028	);
1746		2029
1747	=item $client->coro (\&cb)	2030	=item $client->async (\&cb)
1748		2031
1749	Create a new coroutine, running the specified callback. The coroutine will	2032	Create a new coroutine, running the specified callback. The coroutine will
1750	be automatically cancelled when the client gets destroyed (e.g. on logout,	2033	be automatically cancelled when the client gets destroyed (e.g. on logout,
1751	or loss of connection).	2034	or loss of connection).
1752		2035
1753	=cut	2036	=cut
1754		2037
1755	sub cf::client::coro {	2038	sub cf::client::async {
1756	my ($self, $cb) = @_;	2039	my ($self, $cb) = @_;
1757		2040
1758	my $coro = &cf::async ($cb);	2041	my $coro = &Coro::async ($cb);
1759		2042
1760	$coro->on_destroy (sub {	2043	$coro->on_destroy (sub {
1761	delete $self->{_coro}{$coro+0};	2044	delete $self->{_coro}{$coro+0};
1762	});	2045	});
1763		2046
…		…
1957	sub db_sync() {	2240	sub db_sync() {
1958	db_save if $dirty;	2241	db_save if $dirty;
1959	undef $dirty;	2242	undef $dirty;
1960	}	2243	}
1961		2244
1962	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2245	my $idle = Event->idle (
1963	db_sync;	2246	reentrant => 0,
		2247	min => 10,
		2248	max => 20,
		2249	repeat => 0,
		2250	data => WF_AUTOCANCEL,
		2251	cb => \&db_sync,
1964	});	2252	);
1965		2253
1966	sub db_dirty() {	2254	sub db_dirty() {
1967	$dirty = 1;	2255	$dirty = 1;
1968	$idle->start;	2256	$idle->start;
1969	}	2257	}
…		…
1990	},	2278	},
1991	);	2279	);
1992	}	2280	}
1993		2281
1994	#############################################################################	2282	#############################################################################
1995	# the server's main()	2283	# the server's init and main functions
		2284
		2285	sub load_resources {
		2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2287	or die "unable to load regions file\n";#d#
		2288	}
1996		2289
1997	sub cfg_load {	2290	sub cfg_load {
1998	open my $fh, "<:utf8", cf::confdir . "/config"	2291	open my $fh, "<:utf8", cf::confdir . "/config"
1999	or return;	2292	or return;
2000		2293
2001	local $/;	2294	local $/;
2002	*CFG = YAML::Syck::Load <$fh>;	2295	*CFG = YAML::Syck::Load <$fh>;
2003		2296
2004	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2005		2298
		2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2301
2006	if (exists $CFG{mlockall}) {	2302	if (exists $CFG{mlockall}) {
2007	eval {	2303	eval {
2008	$CFG{mlockall} ? &mlockall : &munlockall	2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2009	and die "WARNING: m(un)lockall failed: $!\n";	2305	and die "WARNING: m(un)lockall failed: $!\n";
2010	};	2306	};
2011	warn $@ if $@;	2307	warn $@ if $@;
2012	}	2308	}
		2309	}
		2310
		2311	sub init {
		2312	load_resources;
2013	}	2313	}
2014		2314
2015	sub main {	2315	sub main {
2016	# we must not ever block the main coroutine	2316	# we must not ever block the main coroutine
2017	local $Coro::idle = sub {	2317	local $Coro::idle = sub {
2018	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2019	(Coro::unblock_sub {	2319	(async {
2020	Event::one_event;	2320	Event::one_event;
2021	})->();	2321	})->prio (Coro::PRIO_MAX);
2022	};	2322	};
2023		2323
2024	cfg_load;	2324	cfg_load;
2025	db_load;	2325	db_load;
2026	load_extensions;	2326	load_extensions;
		2327
		2328	$TICK_WATCHER->start;
2027	Event::loop;	2329	Event::loop;
2028	}	2330	}
2029		2331
2030	#############################################################################	2332	#############################################################################
2031	# initialisation	2333	# initialisation and cleanup
		2334
		2335	# install some emergency cleanup handlers
		2336	BEGIN {
		2337	for my $signal (qw(INT HUP TERM)) {
		2338	Event->signal (
		2339	reentrant => 0,
		2340	data => WF_AUTOCANCEL,
		2341	signal => $signal,
		2342	prio => 0,
		2343	cb => sub {
		2344	cf::cleanup "SIG$signal";
		2345	},
		2346	);
		2347	}
		2348	}
		2349
		2350	sub emergency_save() {
		2351	my $freeze_guard = cf::freeze_mainloop;
		2352
		2353	warn "enter emergency perl save\n";
		2354
		2355	cf::sync_job {
		2356	# use a peculiar iteration method to avoid tripping on perl
		2357	# refcount bugs in for. also avoids problems with players
		2358	# and maps saved/destroyed asynchronously.
		2359	warn "begin emergency player save\n";
		2360	for my $login (keys %cf::PLAYER) {
		2361	my $pl = $cf::PLAYER{$login} or next;
		2362	$pl->valid or next;
		2363	$pl->save;
		2364	}
		2365	warn "end emergency player save\n";
		2366
		2367	warn "begin emergency map save\n";
		2368	for my $path (keys %cf::MAP) {
		2369	my $map = $cf::MAP{$path} or next;
		2370	$map->valid or next;
		2371	$map->save;
		2372	}
		2373	warn "end emergency map save\n";
		2374	};
		2375
		2376	warn "leave emergency perl save\n";
		2377	}
2032		2378
2033	sub reload() {	2379	sub reload() {
2034	# can/must only be called in main	2380	# can/must only be called in main
2035	if ($Coro::current != $Coro::main) {	2381	if ($Coro::current != $Coro::main) {
2036	warn "can only reload from main coroutine\n";	2382	warn "can only reload from main coroutine";
2037	return;	2383	return;
2038	}	2384	}
2039		2385
2040	warn "reloading...";	2386	warn "reloading...";
2041		2387
2042	my $guard = freeze_mainloop;	2388	warn "cancelling server ticker";
		2389	$TICK_WATCHER->cancel;
		2390
2043	cf::emergency_save;	2391	cf::emergency_save;
2044		2392
2045	eval {	2393	eval {
2046	# if anything goes wrong in here, we should simply crash as we already saved	2394	# if anything goes wrong in here, we should simply crash as we already saved
2047		2395
2048	# cancel all watchers	2396	warn "syncing database to disk";
		2397	cf::db_sync;
		2398
		2399	warn "cancelling all WF_AUTOCANCEL watchers";
2049	for (Event::all_watchers) {	2400	for (Event::all_watchers) {
2050	$_->cancel if $_->data & WF_AUTOCANCEL;	2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2051	}	2402	}
2052		2403
		2404	warn "flushing outstanding aio requests";
		2405	for (;;) {
		2406	IO::AIO::flush;
		2407	Coro::cede;
		2408	last unless IO::AIO::nreqs;
		2409	warn "iterate...";
		2410	}
		2411
2053	# cancel all extension coros	2412	warn "cancelling all extension coros";
2054	$_->cancel for values %EXT_CORO;	2413	$_->cancel for values %EXT_CORO;
2055	%EXT_CORO = ();	2414	%EXT_CORO = ();
2056		2415
2057	# unload all extensions	2416	warn "removing commands";
2058	for (@exts) {	2417	%COMMAND = ();
		2418
		2419	warn "removing ext commands";
		2420	%EXTCMD = ();
		2421
		2422	warn "unloading/nuking all extensions";
		2423	for my $pkg (@EXTS) {
2059	warn "unloading <$_>";	2424	warn "... unloading $pkg";
2060	unload_extension $_;	2425
		2426	if (my $cb = $pkg->can ("unload")) {
		2427	eval {
		2428	$cb->($pkg);
		2429	1
		2430	} or warn "$pkg unloaded, but with errors: $@";
2061	}	2431	}
2062		2432
		2433	warn "... nuking $pkg";
		2434	Symbol::delete_package $pkg;
		2435	}
		2436
2063	# unload all modules loaded from $LIBDIR	2437	warn "unloading all perl modules loaded from $LIBDIR";
2064	while (my ($k, $v) = each %INC) {	2438	while (my ($k, $v) = each %INC) {
2065	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2066		2440
2067	warn "removing <$k>";	2441	warn "... unloading $k";
2068	delete $INC{$k};	2442	delete $INC{$k};
2069		2443
2070	$k =~ s/\.pm$//;	2444	$k =~ s/\.pm$//;
2071	$k =~ s/\//::/g;	2445	$k =~ s/\//::/g;
2072		2446
…		…
2075	}	2449	}
2076		2450
2077	Symbol::delete_package $k;	2451	Symbol::delete_package $k;
2078	}	2452	}
2079		2453
2080	# sync database to disk
2081	cf::db_sync;
2082	IO::AIO::flush;
2083
2084	# get rid of safe::, as good as possible	2454	warn "getting rid of safe::, as good as possible";
2085	Symbol::delete_package "safe::$_"	2455	Symbol::delete_package "safe::$_"
2086	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2087		2457
2088	# remove register_script_function callbacks
2089	# TODO
2090
2091	# unload cf.pm "a bit"	2458	warn "unloading cf.pm \"a bit\"";
2092	delete $INC{"cf.pm"};	2459	delete $INC{"cf.pm"};
2093		2460
2094	# don't, removes xs symbols, too,	2461	# don't, removes xs symbols, too,
2095	# and global variables created in xs	2462	# and global variables created in xs
2096	#Symbol::delete_package __PACKAGE__;	2463	#Symbol::delete_package __PACKAGE__;
2097		2464
2098	# reload cf.pm	2465	warn "unload completed, starting to reload now";
		2466
2099	warn "reloading cf.pm";	2467	warn "reloading cf.pm";
2100	require cf;	2468	require cf;
2101	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2102		2470
2103	# load config and database again	2471	warn "loading config and database again";
2104	cf::cfg_load;	2472	cf::cfg_load;
2105	cf::db_load;	2473	cf::db_load;
2106		2474
2107	# load extensions
2108	warn "load extensions";	2475	warn "loading extensions";
2109	cf::load_extensions;	2476	cf::load_extensions;
2110		2477
2111	# reattach attachments to objects	2478	warn "reattaching attachments to objects/players";
2112	warn "reattach";
2113	_global_reattach;	2479	_global_reattach;
		2480	warn "reattaching attachments to maps";
		2481	reattach $_ for values %MAP;
		2482
		2483	warn "loading reloadable resources";
		2484	load_resources;
		2485
		2486	warn "restarting server ticker";
		2487
		2488	$TICK_WATCHER->start;
2114	};	2489	};
2115		2490
2116	if ($@) {	2491	if ($@) {
2117	warn $@;	2492	warn $@;
2118	warn "error while reloading, exiting.";	2493	warn "error while reloading, exiting.";
2119	exit 1;	2494	exit 1;
2120	}	2495	}
2121		2496
2122	warn "reloaded successfully";	2497	warn "reloaded";
2123	};	2498	};
2124		2499
2125	#############################################################################	2500	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} = $LINK_MAP;
2166	}
2167
2168	register "<global>", __PACKAGE__;
2169		2501
2170	register_command "reload" => sub {	2502	register_command "reload" => sub {
2171	my ($who, $arg) = @_;	2503	my ($who, $arg) = @_;
2172		2504
2173	if ($who->flag (FLAG_WIZ)) {	2505	if ($who->flag (FLAG_WIZ)) {
2174	$who->message ("start of reload.");	2506	$who->message ("reloading server.");
		2507
		2508	# doing reload synchronously and two reloads happen back-to-back,
		2509	# coro crashes during coro_state_free->destroy here.
		2510
		2511	$RELOAD_WATCHER ||= Event->timer (
		2512	reentrant => 0,
		2513	after => 0,
		2514	data => WF_AUTOCANCEL,
		2515	cb => sub {
2175	reload;	2516	reload;
2176	$who->message ("end of reload.");	2517	undef $RELOAD_WATCHER;
		2518	},
		2519	);
2177	}	2520	}
2178	};	2521	};
2179		2522
2180	unshift @INC, $LIBDIR;	2523	unshift @INC, $LIBDIR;
		2524
		2525	my $bug_warning = 0;
2181		2526
2182	$TICK_WATCHER = Event->timer (	2527	$TICK_WATCHER = Event->timer (
2183	reentrant => 0,	2528	reentrant => 0,
		2529	parked => 1,
2184	prio => 0,	2530	prio => 0,
2185	at => $NEXT_TICK || $TICK,	2531	at => $NEXT_TICK || $TICK,
2186	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2187	cb => sub {	2533	cb => sub {
		2534	if ($Coro::current != $Coro::main) {
		2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2536	unless ++$bug_warning > 10;
		2537	return;
		2538	}
		2539
		2540	$NOW = Event::time;
		2541
2188	cf::server_tick; # one server iteration	2542	cf::server_tick; # one server iteration
2189	$RUNTIME += $TICK;	2543	$RUNTIME += $TICK;
2190	$NEXT_TICK += $TICK;	2544	$NEXT_TICK += $TICK;
		2545
		2546	$WAIT_FOR_TICK->broadcast;
		2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2548
		2549	Event::sweep;
		2550	Coro::cede_notself;
		2551
		2552	# my $AFTER = Event::time;
		2553	# warn $AFTER - $NOW;#d#
2191		2554
2192	# if we are delayed by four ticks or more, skip them all	2555	# if we are delayed by four ticks or more, skip them all
2193	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2194		2557
2195	$TICK_WATCHER->at ($NEXT_TICK);	2558	$TICK_WATCHER->at ($NEXT_TICK);
2196	$TICK_WATCHER->start;	2559	$TICK_WATCHER->start;
2197	},	2560	},
2198	);	2561	);
2199		2562
		2563	{
		2564	BDB::max_poll_time $TICK * 0.1;
		2565	$BDB_POLL_WATCHER = Event->io (
		2566	reentrant => 0,
		2567	fd => BDB::poll_fileno,
		2568	poll => 'r',
		2569	prio => 0,
		2570	data => WF_AUTOCANCEL,
		2571	cb => \&BDB::poll_cb,
		2572	);
		2573	BDB::min_parallel 8;
		2574
		2575	BDB::set_sync_prepare {
		2576	my $status;
		2577	my $current = $Coro::current;
		2578	(
		2579	sub {
		2580	$status = $!;
		2581	$current->ready; undef $current;
		2582	},
		2583	sub {
		2584	Coro::schedule while defined $current;
		2585	$! = $status;
		2586	},
		2587	)
		2588	};
		2589
		2590	unless ($DB_ENV) {
		2591	$DB_ENV = BDB::db_env_create;
		2592
		2593	cf::sync_job {
		2594	BDB::db_env_open
		2595	$DB_ENV,
		2596	$BDB_ENV_DIR,
		2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2599	0666;
		2600
		2601	cf::cleanup "$!" if $!;
		2602
		2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2604	$DB_ENV->set_lk_detect;
		2605	};
		2606	}
		2607	}
		2608
		2609	{
		2610	IO::AIO::min_parallel 8;
		2611
		2612	undef $Coro::AIO::WATCHER;
2200	IO::AIO::max_poll_time $TICK * 0.2;	2613	IO::AIO::max_poll_time $TICK * 0.1;
2201		2614	$AIO_POLL_WATCHER = Event->io (
2202	Event->io (	2615	reentrant => 0,
2203	fd => IO::AIO::poll_fileno,	2616	fd => IO::AIO::poll_fileno,
2204	poll => 'r',	2617	poll => 'r',
2205	prio => 5,	2618	prio => 6,
2206	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2207	cb => \&IO::AIO::poll_cb,	2620	cb => \&IO::AIO::poll_cb,
2208	);	2621	);
		2622	}
2209		2623
2210	Event->timer (	2624	$WRITE_RUNTIME_WATCHER = Event->timer (
		2625	reentrant => 0,
2211	data => WF_AUTOCANCEL,	2626	data => WF_AUTOCANCEL,
2212	after => 0,	2627	after => 1,
2213	interval => 10,	2628	interval => 10,
2214	cb => sub {	2629	prio => 6, # keep it lowest so it acts like a watchdog
2215	(Coro::unblock_sub {	2630	cb => Coro::unblock_sub {
2216	write_runtime	2631	write_runtime
2217	or warn "ERROR: unable to write runtime file: $!";	2632	or warn "ERROR: unable to write runtime file: $!";
2218	})->();
2219	},	2633	},
2220	);	2634	);
2221		2635
2222	END { cf::emergency_save }	2636	END { cf::emergency_save }
2223		2637

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