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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.127 by root, Wed Jan 3 00:05:26 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 $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	67	our $RANDOM_MAPS = cf::localdir . "/random";
56	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
57		75
58	binmode STDOUT;	76	binmode STDOUT;
59	binmode STDERR;	77	binmode STDERR;
60		78
61	# read virtual server time, if available	79	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	86	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	87	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	88	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	89	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	90	mkdir $RANDOM_MAPS;
		91	mkdir $BDB_ENV_DIR;
73		92
74	# a special map that is always available	93	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		94
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	95	sub cf::map::normalise;
78		96
79	#############################################################################	97	#############################################################################
80		98
81	=head2 GLOBAL VARIABLES	99	=head2 GLOBAL VARIABLES
82		100
…		…
106		124
107	=item %cf::CFG	125	=item %cf::CFG
108		126
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	127	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	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.
111		136
112	=back	137	=back
113		138
114	=cut	139	=cut
115		140
…		…
119	utf8::encode $msg;	144	utf8::encode $msg;
120		145
121	$msg .= "\n"	146	$msg .= "\n"
122	unless $msg =~ /\n$/;	147	unless $msg =~ /\n$/;
123		148
124	LOG llevError, "cfperl: $msg";	149	LOG llevError, $msg;
125	};	150	};
126	}	151	}
127		152
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		172
148	$Event::DIED = sub {	173	$Event::DIED = sub {
149	warn "error in event callback: @_";	174	warn "error in event callback: @_";
150	};	175	};
151		176
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	177	=head2 UTILITY FUNCTIONS
157		178
158	=over 4	179	=over 4
159		180
		181	=item dumpval $ref
		182
160	=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	}
161		203
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	204	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		205
164	=item $ref = cf::from_json $json	206	=item $ref = cf::from_json $json
165		207
…		…
181	sub to_json($) {	223	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	225	JSON::Syck::Dump $_[0]
184	}	226	}
185		227
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	228	=item cf::lock_wait $string
209		229
210	Wait until the given lock is available. See cf::lock_acquire.	230	Wait until the given lock is available. See cf::lock_acquire.
211		231
212	=item my $lock = cf::lock_acquire $string	232	=item my $lock = cf::lock_acquire $string
213		233
214	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
215	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,
216	for example when the coroutine gets canceled), the lock is automatically	236	for example when the coroutine gets canceled), the lock is automatically
217	returned.	237	returned.
218		238
219	Lock names should begin with a unique identifier (for example, find_map	239	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	240	uses map_find and cf::map::load uses map_load).
221		241
222	=cut	242	=cut
223		243
224	our %LOCK;	244	our %LOCK;
225		245
…		…
239	# wait, to be sure we are not locked	259	# wait, to be sure we are not locked
240	lock_wait $key;	260	lock_wait $key;
241		261
242	$LOCK{$key} = [];	262	$LOCK{$key} = [];
243		263
244	cf::guard {	264	Coro::guard {
245	# wake up all waiters, to be on the safe side	265	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	266	$_->ready for @{ delete $LOCK{$key} };
247	}	267	}
248	}	268	}
249		269
		270	sub freeze_mainloop {
		271	return unless $TICK_WATCHER->is_active;
		272
		273	my $guard = Coro::guard {
		274	$TICK_WATCHER->start;
		275	$WRITE_RUNTIME_WATCHER->start;
		276	};
		277	$WRITE_RUNTIME_WATCHER->stop;
		278	$TICK_WATCHER->stop;
		279	$guard
		280	}
		281
250	=item cf::async { BLOCK }	282	=item cf::async { BLOCK }
251		283
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	284	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	285	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		286	thing you are allowed to do is call C<prio> on it.
254		287
255	=cut	288	=cut
256		289
257	sub async(&) {	290	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		291
266	=item cf::sync_job { BLOCK }	292	=item cf::sync_job { BLOCK }
267		293
268	The design of crossfire+ requires that the main coro ($Coro::main) is	294	The design of crossfire+ requires that the main coro ($Coro::main) is
269	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
…		…
283	# this is the main coro, too bad, we have to block	309	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	310	# till the operation succeeds, freezing the server :/
285		311
286	# TODO: use suspend/resume instead	312	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	313	# (but this is cancel-safe)
288	local $FREEZE = 1;	314	my $freeze_guard = freeze_mainloop;
289		315
290	my $busy = 1;	316	my $busy = 1;
291	my @res;	317	my @res;
292		318
293	(Coro::async {	319	(async {
294	@res = eval { $job->() };	320	@res = eval { $job->() };
295	warn $@ if $@;	321	warn $@ if $@;
296	undef $busy;	322	undef $busy;
297	})->prio (Coro::PRIO_MAX);	323	})->prio (Coro::PRIO_MAX);
298		324
299	while ($busy) {	325	while ($busy) {
300	Coro::cede_notself;	326	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	327	}
303		328
304	wantarray ? @res : $res[0]	329	wantarray ? @res : $res[0]
305	} else {	330	} else {
306	# we are in another coroutine, how wonderful, everything just works	331	# we are in another coroutine, how wonderful, everything just works
307		332
308	$job->()	333	$job->()
309	}	334	}
310	}	335	}
311		336
312	=item $coro = cf::coro { BLOCK }	337	=item $coro = cf::async_ext { BLOCK }
313		338
314	Creates and returns a new coro. This coro is automcatially being canceled	339	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	340	extension calling this is being unloaded.
316		341
317	=cut	342	=cut
318		343
319	sub coro(&) {	344	sub async_ext(&) {
320	my $cb = shift;	345	my $cb = shift;
321		346
322	my $coro = &cf::async ($cb);	347	my $coro = &Coro::async ($cb);
323		348
324	$coro->on_destroy (sub {	349	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	350	delete $EXT_CORO{$coro+0};
326	});	351	});
327	$EXT_CORO{$coro+0} = $coro;	352	$EXT_CORO{$coro+0} = $coro;
…		…
333	my $runtime = cf::localdir . "/runtime";	358	my $runtime = cf::localdir . "/runtime";
334		359
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	361	or return;
337		362
		363	my $value = $cf::RUNTIME + 90 + 10;
338	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
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	368	and return;
341		369
		370	# always fsync - this file is important
342	aio_fsync $fh	371	aio_fsync $fh
343	and return;	372	and return;
344		373
345	close $fh	374	close $fh
346	or return;	375	or return;
…		…
352	}	381	}
353		382
354	=back	383	=back
355		384
356	=cut	385	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		386
478	#############################################################################	387	#############################################################################
479		388
480	=head2 ATTACHABLE OBJECTS	389	=head2 ATTACHABLE OBJECTS
481		390
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	516	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	517	our @CB_MAP = ();
609		518
610	my %attachment;	519	my %attachment;
611		520
		521	sub cf::attachable::thawer_merge {
		522	# simply override everything except _meta
		523	local $_[0]{_meta};
		524	%{$_[0]} = %{$_[1]};
		525	}
		526
612	sub _attach_cb($$$$) {	527	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	528	my ($registry, $event, $prio, $cb) = @_;
614		529
615	use sort 'stable';	530	use sort 'stable';
616		531
…		…
787	# object support	702	# object support
788		703
789	sub reattach {	704	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	705	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	706	my ($obj) = @_;
		707
		708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		709
793	my $registry = $obj->registry;	710	my $registry = $obj->registry;
794		711
795	@$registry = ();	712	@$registry = ();
796		713
…		…
843	$filename, length $$rdata, scalar @$objs;	760	$filename, length $$rdata, scalar @$objs;
844		761
845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846	chmod SAVE_MODE, $fh;	763	chmod SAVE_MODE, $fh;
847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
848	aio_fsync $fh;	765	aio_fsync $fh if $cf::USE_FSYNC;
849	close $fh;	766	close $fh;
850		767
851	if (@$objs) {	768	if (@$objs) {
852	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) {
853	chmod SAVE_MODE, $fh;	770	chmod SAVE_MODE, $fh;
854	my $data = Storable::nfreeze { version => 1, objs => $objs };	771	my $data = Storable::nfreeze { version => 1, objs => $objs };
855	aio_write $fh, 0, (length $data), $data, 0;	772	aio_write $fh, 0, (length $data), $data, 0;
856	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
857	close $fh;	774	close $fh;
858	aio_rename "$filename.pst~", "$filename.pst";	775	aio_rename "$filename.pst~", "$filename.pst";
859	}	776	}
860	} else {	777	} else {
861	aio_unlink "$filename.pst";	778	aio_unlink "$filename.pst";
…		…
867	}	784	}
868	} else {	785	} else {
869	aio_unlink $filename;	786	aio_unlink $filename;
870	aio_unlink "$filename.pst";	787	aio_unlink "$filename.pst";
871	}	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	}
872	}	795	}
873	}	796	}
874		797
875	sub object_freezer_as_string {	798	sub object_freezer_as_string {
876	my ($rdata, $objs) = @_;	799	my ($rdata, $objs) = @_;
…		…
882		805
883	sub object_thawer_load {	806	sub object_thawer_load {
884	my ($filename) = @_;	807	my ($filename) = @_;
885		808
886	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$//;
887		813
888	(aio_load $filename, $data) >= 0	814	(aio_load $filename, $data) >= 0
889	or return;	815	or return;
890		816
891	unless (aio_stat "$filename.pst") {	817	unless (aio_stat "$filename.pst") {
…		…
928	=cut	854	=cut
929		855
930	sub register_extcmd {	856	sub register_extcmd {
931	my ($name, $cb) = @_;	857	my ($name, $cb) = @_;
932		858
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	859	$EXTCMD{$name} = $cb;
937	}	860	}
938		861
939	cf::player->attach (	862	cf::player->attach (
940	on_command => sub {	863	on_command => sub {
941	my ($pl, $name, $params) = @_;	864	my ($pl, $name, $params) = @_;
…		…
954		877
955	my $msg = eval { from_json $buf };	878	my $msg = eval { from_json $buf };
956		879
957	if (ref $msg) {	880	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	882	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	883	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	884	}
962	}	885	}
963	} else {	886	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		889
967	cf::override;	890	cf::override;
968	},	891	},
969	);	892	);
970		893
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	894	sub load_extension {
978	my ($path) = @_;	895	my ($path) = @_;
979		896
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	898	my $base = $1;
982	my $pkg = $1;	899	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	900	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	901	$pkg = "ext::$pkg";
985		902
986	warn "loading '$path' into '$pkg'\n";	903	warn "... loading '$path' into '$pkg'\n";
987		904
988	open my $fh, "<:utf8", $path	905	open my $fh, "<:utf8", $path
989	or die "$path: $!";	906	or die "$path: $!";
990		907
991	my $source =	908	my $source =
992	"package $pkg; use strict; use utf8;\n"	909	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	910	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	911	. (do { local $/; <$fh> })
995	. "\n};\n1";	912	. "\n};\n1";
996		913
997	eval $source	914	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	915	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	916	: "extension disabled.\n";
1000		917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	918	warn $@;
1002	$ext_pkg{$base} = $pkg;	919	warn "mandatory extension failed to load, exiting.\n";
1003		920	exit 1;
1004	# no strict 'refs';	921	}
1005	# @{"$pkg\::ISA"} = ext::;	922	die $@;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	923	}
1020		924
1021	# remove commands	925	push @EXTS, $pkg;
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	926	}
1046		927
1047	sub load_extensions {	928	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	929	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	930	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	934	} or warn "$ext not loaded: $@";
1054	}	935	}
1055	}	936	}
1056		937
1057	#############################################################################	938	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		939
1095	=head2 CORE EXTENSIONS	940	=head2 CORE EXTENSIONS
1096		941
1097	Functions and methods that extend core crossfire objects.	942	Functions and methods that extend core crossfire objects.
1098		943
		944	=cut
		945
		946	package cf::player;
		947
		948	use Coro::AIO;
		949
1099	=head3 cf::player	950	=head3 cf::player
1100		951
1101	=over 4	952	=over 4
1102		953
1103	=item cf::player::exists $login	954	=item cf::player::find $login
1104		955
1105	Returns true when the given account exists.	956	Returns the given player object, loading it if necessary (might block).
1106		957
1107	=cut	958	=cut
1108		959
1109	sub cf::player::exists($) {	960	sub playerdir($) {
1110	cf::player::find $_[0]	961	cf::localdir
1111	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
1112	}	1108	}
1113		1109
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1110	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115		1111
1116	Sends an ext reply to the player.	1112	Sends an ext reply to the player.
1117		1113
1118	=cut	1114	=cut
1119		1115
1120	sub cf::player::ext_reply($$$%) {	1116	sub ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;	1117	my ($self, $id, %msg) = @_;
1122		1118
1123	$msg{msgid} = $id;	1119	$msg{msgid} = $id;
1124		1120
1125	$self->send ("ext " . to_json \%msg);	1121	$self->send ("ext " . cf::to_json \%msg);
1126	}	1122	}
		1123
		1124	package cf;
1127		1125
1128	=back	1126	=back
1129		1127
1130		1128
1131	=head3 cf::map	1129	=head3 cf::map
…		…
1137	package cf::map;	1135	package cf::map;
1138		1136
1139	use Fcntl;	1137	use Fcntl;
1140	use Coro::AIO;	1138	use Coro::AIO;
1141		1139
		1140	use overload
		1141	'""' => \&as_string,
		1142	fallback => 1;
		1143
1142	our $MAX_RESET = 7200;	1144	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1145	our $DEFAULT_RESET = 3000;
1144		1146
1145	sub generate_random_map {	1147	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1148	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1149	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1150	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1154	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1155	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$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},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(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
1162	}	1292	}
1163		1293
1164	# and all this just because we cannot iterate over	1294	# and all this just because we cannot iterate over
1165	# all maps in C++...	1295	# all maps in C++...
1166	sub change_all_map_light {	1296	sub change_all_map_light {
…		…
1168		1298
1169	$_->change_map_light ($change)	1299	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1300	for grep $_->outdoor, values %cf::MAP;
1171	}	1301	}
1172		1302
		1303	sub unlink_save {
		1304	my ($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
1173	sub try_load_header($) {	1316	sub load_header_from($) {
1174	my ($path) = @_;	1317	my ($self, $path) = @_;
1175		1318
1176	utf8::encode $path;	1319	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1320	#aio_open $path, O_RDONLY, 0
		1321	# or return;
		1322
		1323	$self->_load_header ($path)
1178	or return;	1324	or return;
1179		1325
1180	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
1181	or return;	1369	or return;
		1370	$self->prepare_orig;
		1371	}
1182		1372
1183	$map->load_header ($path)	1373	1
1184	or return;
1185
1186	$map->{load_path} = $path;
1187
1188	$map
1189	}	1374	}
1190		1375
1191	sub find_map;	1376	sub find;
1192	sub find_map {	1377	sub find {
1193	my ($path, $origin) = @_;	1378	my ($path, $origin) = @_;
1194		1379
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1380	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1381
1200	cf::lock_wait "map_find:$key";	1382	cf::lock_wait "map_find:$path";
1201		1383
1202	$cf::MAP{$key} || do {	1384	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1385	my $guard = cf::lock_acquire "map_find:$path";
1204		1386	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1387	or return;
1220		1388
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1389	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1390
1234	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;
1235	$map->reset;	1397	$map->reset;
1236	undef $guard;	1398	undef $guard;
1237	$map = find_map $path	1399	return find $path;
1238	or return;
1239	}	1400	}
1240		1401
1241	$cf::MAP{$key} = $map	1402	$cf::MAP{$path} = $map
1242	}	1403	}
1243	}	1404	}
		1405
		1406	sub pre_load { }
		1407	sub post_load { }
1244		1408
1245	sub load {	1409	sub load {
1246	my ($self) = @_;	1410	my ($self) = @_;
1247		1411
		1412	local $self->{deny_reset} = 1; # loading can take a long time
		1413
1248	my $path = $self->{path};	1414	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1415	my $guard = cf::lock_acquire "map_load:$path";
1250		1416
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1417	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1418
1253	$self->in_memory (cf::MAP_LOADING);	1419	$self->in_memory (cf::MAP_LOADING);
1254		1420
1255	$self->alloc;	1421	$self->alloc;
		1422
		1423	$self->pre_load;
		1424
1256	$self->load_objects ($self->{load_path}, 1)	1425	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1426	or return;
1258		1427
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1429	if delete $self->{load_original};
1261		1430
1262	if (my $uniq = $path->uniq_path) {	1431	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1432	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1433	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1434	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1435	$self->_load_objects ($uniq, 0);
1267	}	1436	}
1268	}	1437	}
		1438
		1439	Coro::cede;
1269		1440
1270	# now do the right thing for maps	1441	# now do the right thing for maps
1271	$self->link_multipart_objects;	1442	$self->link_multipart_objects;
1272		1443
1273	if ($self->{path}->is_style_map) {	1444	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1445	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1446	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1447	$self->update_buttons;
		1448	Coro::cede;
1280	$self->set_darkness_map;	1449	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1450	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1451	unless $self->difficulty;
		1452	Coro::cede;
1283	$self->activate;	1453	$self->activate;
1284	}	1454	}
1285		1455
		1456	$self->post_load;
		1457
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1458	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1459	}
1288		1460
1289	sub load_map_sync {	1461	sub customise_for {
		1462	my ($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	$neigh->load;
		1491	}
		1492	}
		1493
		1494	sub find_sync {
1290	my ($path, $origin) = @_;	1495	my ($path, $origin) = @_;
1291		1496
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1497	cf::sync_job { find $path, $origin }
		1498	}
1293		1499
1294	cf::sync_job {	1500	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1501	my ($map) = @_;
1296	or return;	1502
		1503	cf::sync_job { $map->load };
		1504	}
		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;
1297	$map->load;	1524	$map->load;
1298	$map	1525
		1526	delete $MAP_PREFETCH{$path};
		1527	}
		1528	}
		1529	undef $MAP_PREFETCHER;
1299	}	1530	};
		1531	$MAP_PREFETCHER->prio (6);
		1532
		1533	()
1300	}	1534	}
1301		1535
1302	sub save {	1536	sub save {
1303	my ($self) = @_;	1537	my ($self) = @_;
1304		1538
		1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1540
1305	$self->{last_save} = $cf::RUNTIME;	1541	$self->{last_save} = $cf::RUNTIME;
1306		1542
1307	return unless $self->dirty;	1543	return unless $self->dirty;
1308		1544
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1545	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1546	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1547
1312	$self->{load_path} = $save;	1548	$self->{load_path} = $save;
1313		1549
1314	return if $self->{deny_save};	1550	return if $self->{deny_save};
1315		1551
		1552	local $self->{last_access} = $self->last_access;#d#
		1553
		1554	cf::async {
		1555	$_->contr->save for $self->players;
		1556	};
		1557
1316	if ($uniq) {	1558	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1561	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1563	}
1322	}	1564	}
1323		1565
1324	sub swap_out {	1566	sub swap_out {
1325	my ($self) = @_;	1567	my ($self) = @_;
		1568
		1569	# save first because save cedes
		1570	$self->save;
		1571
		1572	my $lock = cf::lock_acquire "map_data:" . $self->path;
1326		1573
1327	return if $self->players;	1574	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;	1575	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};	1576	return if $self->{deny_save};
1330		1577
1331	$self->save;
1332	$self->clear;	1578	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);	1579	$self->in_memory (cf::MAP_SWAPPED);
1334	}	1580	}
1335		1581
1336	sub reset_at {	1582	sub reset_at {
1337	my ($self) = @_;	1583	my ($self) = @_;
1338		1584
1339	# TODO: safety, remove and allow resettable per-player maps	1585	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1587	return 1e99 if $self->{deny_reset};
1342		1588
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1591
…		…
1350	my ($self) = @_;	1596	my ($self) = @_;
1351		1597
1352	$self->reset_at <= $cf::RUNTIME	1598	$self->reset_at <= $cf::RUNTIME
1353	}	1599	}
1354		1600
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1601	sub reset {
1377	my ($self) = @_;	1602	my ($self) = @_;
1378		1603
		1604	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1605
1379	return if $self->players;	1606	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1607	return if $self->isa ("ext::map_per_player");#d#
1381		1608
1382	warn "resetting map ", $self->path;#d#	1609	warn "resetting map ", $self->path;#d#
1383		1610
1384	delete $cf::MAP{$self->path};	1611	delete $cf::MAP{$self->path};
		1612
		1613	$self->in_memory (cf::MAP_SWAPPED);
		1614	$self->clear;
1385		1615
1386	$_->clear_links_to ($self) for values %cf::MAP;	1616	$_->clear_links_to ($self) for values %cf::MAP;
1387		1617
1388	$self->unlink_save;	1618	$self->unlink_save;
1389	$self->destroy;	1619	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1622	my $nuke_counter = "aaaa";
1393		1623
1394	sub nuke {	1624	sub nuke {
1395	my ($self) = @_;	1625	my ($self) = @_;
1396		1626
		1627	delete $cf::MAP{$self->path};
		1628
		1629	$self->unlink_save;
		1630
		1631	bless $self, "cf::map";
		1632	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1633	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1634	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1636
		1637	$cf::MAP{$self->path} = $self;
		1638
1400	$self->reset; # polite request, might not happen	1639	$self->reset; # polite request, might not happen
1401	}	1640	}
1402		1641
1403	sub customise_for {	1642	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1643
1406	if ($map->per_player) {	1644	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1645	instantiated unique items. May block.
1408	}
1409		1646
1410	$map	1647	=cut
1411	}
1412		1648
1413	sub emergency_save {	1649	sub unique_maps() {
1414	local $cf::FREEZE = 1;	1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1651	or return;
1415		1652
1416	warn "enter emergency map save\n";	1653	my @paths;
1417		1654
1418	cf::sync_job {	1655	for (@$files) {
1419	warn "begin emergency map save\n";	1656	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1657	next if /\.pst$/;
		1658	next unless /^$PATH_SEP/o;
		1659
		1660	push @paths, cf::map::normalise $_;
1421	};	1661	}
1422		1662
1423	warn "end emergency map save\n";	1663	\@paths
1424	}	1664	}
1425		1665
1426	package cf;	1666	package cf;
1427		1667
1428	=back	1668	=back
1429		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
1430		1696
1431	=head3 cf::object::player	1697	=head3 cf::object::player
1432		1698
1433	=over 4	1699	=over 4
1434		1700
…		…
1474		1740
1475	=item $player_object->enter_link	1741	=item $player_object->enter_link
1476		1742
1477	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}>).
1478		1744
1479	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
1480	I<MUST> call C<leave_link> as soon as possible, though.	1746	I<MUST> call C<leave_link> as soon as possible, though.
1481		1747
		1748	Will never block.
		1749
1482	=item $player_object->leave_link ($map, $x, $y)	1750	=item $player_object->leave_link ($map, $x, $y)
1483		1751
1484	Moves the player out of the specila link map onto the given map. If the	1752	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1753	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1754	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1755	fails, to the emergency map position.
1488		1756
1489	Might block.	1757	Might block.
1490		1758
1491	=cut	1759	=cut
		1760
		1761	sub link_map {
		1762	unless ($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	$LINK_MAP
		1769	}
1492		1770
1493	sub cf::object::player::enter_link {	1771	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1772	my ($self) = @_;
1495		1773
1496	$self->deactivate_recursive;	1774	$self->deactivate_recursive;
1497		1775
1498	return if $self->map == $LINK_MAP;	1776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1777
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1779	if $self->map;
1502		1780
1503	$self->enter_map ($LINK_MAP, 20, 20);	1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	1782	}
1505		1783
1506	sub cf::object::player::leave_link {	1784	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1785	my ($self, $map, $x, $y) = @_;
1508		1786
1509	my $link_pos = delete $self->{_link_pos};	1787	my $link_pos = delete $self->{_link_pos};
1510		1788
1511	unless ($map) {	1789	unless ($map) {
1512	# restore original map position	1790	# restore original map position
1513	($map, $x, $y) = @{ $link_pos || [] };	1791	($map, $x, $y) = @{ $link_pos || [] };
1514	$map = cf::map::find_map $map;	1792	$map = cf::map::find $map;
1515		1793
1516	unless ($map) {	1794	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	1795	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	1796	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	1797	or die "FATAL: cannot load emergency map\n";
1520	}	1798	}
1521	}	1799	}
1522		1800
1523	($x, $y) = (-1, -1)	1801	($x, $y) = (-1, -1)
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1804	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1805	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1806	if $x <=0 && $y <= 0;
1529		1807
1530	$map->load;	1808	$map->load;
		1809	$map->load_diag;
1531		1810
		1811	return unless $self->contr->active;
1532	$self->activate_recursive;	1812	$self->activate_recursive;
1533	$self->enter_map ($map, $x, $y);	1813	$self->enter_map ($map, $x, $y);
1534	}	1814	}
1535		1815
1536	cf::player->attach (	1816	cf::player->attach (
…		…
1549		1829
1550	# try to abort aborted map switching on player login :)	1830	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1831	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1832	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1833	$pl->ob->enter_link;
1554	cf::async {	1834	(async {
1555	# 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
1556	# 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);
1557	Coro::Timer::sleep 1;	1841	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1842	$pl->ob->leave_link;
1559	};	1843	})->prio (2);
1560	}	1844	}
1561	},	1845	},
1562	);	1846	);
1563		1847
1564	=item $player_object->goto_map ($path, $x, $y)	1848	=item $player_object->goto ($path, $x, $y)
1565		1849
1566	=cut	1850	=cut
1567		1851
1568	sub cf::object::player::goto_map {	1852	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1853	my ($self, $path, $x, $y) = @_;
1570		1854
1571	$self->enter_link;	1855	$self->enter_link;
1572		1856
1573	(cf::async {	1857	(async {
1574	$path = new cf::path $path;	1858	my $map = eval {
1575
1576	my $map = cf::map::find_map $path->as_string;	1859	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1860	$map = $map->customise_for ($self) if $map;
1578		1861	$map
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1862	} or
1580	# if $map;
1581
1582	$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);
1583		1864
1584	$self->leave_link ($map, $x, $y);	1865	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1866	})->prio (1);
1586	}	1867	}
1587		1868
…		…
1591		1872
1592	sub parse_random_map_params {	1873	sub parse_random_map_params {
1593	my ($spec) = @_;	1874	my ($spec) = @_;
1594		1875
1595	my $rmp = { # defaults	1876	my $rmp = { # defaults
1596	xsize => 10,	1877	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1878	ysize => (cf::rndm 15, 40),
		1879	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1880	#layout => string,
1598	};	1881	};
1599		1882
1600	for (split /\n/, $spec) {	1883	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1884	my ($k, $v) = split /\s+/, $_, 2;
1602		1885
…		…
1606	$rmp	1889	$rmp
1607	}	1890	}
1608		1891
1609	sub prepare_random_map {	1892	sub prepare_random_map {
1610	my ($exit) = @_;	1893	my ($exit) = @_;
		1894
		1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1896
1612	# all this does is basically replace the /! path by	1897	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1898	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1899	# that depends on the exit object
1615		1900
1616	my $rmp = parse_random_map_params $exit->msg;	1901	my $rmp = parse_random_map_params $exit->msg;
1617		1902
1618	if ($exit->map) {	1903	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	1904	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	1905	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	1906	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	1907	$rmp->{origin_y} = $exit->y;
1623	}	1908	}
1624		1909
1625	$rmp->{random_seed} ||= $exit->random_seed;	1910	$rmp->{random_seed} ||= $exit->random_seed;
1626		1911
1627	my $data = cf::to_json $rmp;	1912	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1913	my $md5 = Digest::MD5::md5_hex $data;
		1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1915
1630	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) {
1631	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;
1632		1920
1633	$exit->slaying ("?random/$md5");	1921	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1922	$exit->msg (undef);
1635	}	1923	}
1636	}	1924	}
…		…
1638	sub cf::object::player::enter_exit {	1926	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	1927	my ($self, $exit) = @_;
1640		1928
1641	return unless $self->type == cf::PLAYER;	1929	return unless $self->type == cf::PLAYER;
1642		1930
		1931	if ($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
1643	$self->enter_link;	1940	$self->enter_link;
1644		1941
1645	(cf::async {	1942	(async {
		1943	$self->deactivate_recursive; # just to be sure
1646	unless (eval {	1944	unless (eval {
1647	prepare_random_map $exit	1945	$self->goto ($slaying, $hp, $sp);
1648	if $exit->slaying eq "/!";
1649
1650	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1652		1946
1653	1;	1947	1;
1654	}) {	1948	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	1949	$self->message ("Something went wrong deep within the crossfire server. "
1656	. "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. "
1657	. "Please report this to the dungeon master",	1951	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE | cf::NDI_RED);	1952	cf::NDI_UNIQUE | cf::NDI_RED);
1659		1953
1660	warn "ERROR in enter_exit: $@";	1954	warn "ERROR in enter_exit: $@";
1661	$self->leave_link;	1955	$self->leave_link;
1662	}	1956	}
…		…
1713	on_reply => sub {	2007	on_reply => sub {
1714	my ($ns, $msg) = @_;	2008	my ($ns, $msg) = @_;
1715		2009
1716	# this weird shuffling is so that direct followup queries	2010	# this weird shuffling is so that direct followup queries
1717	# get handled first	2011	# get handled first
1718	my $queue = delete $ns->{query_queue};	2012	my $queue = delete $ns->{query_queue}
		2013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1719		2014
1720	(shift @$queue)->[1]->($msg);	2015	(shift @$queue)->[1]->($msg);
		2016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1721		2017
1722	push @{ $ns->{query_queue} }, @$queue;	2018	push @{ $ns->{query_queue} }, @$queue;
1723		2019
1724	if (@{ $ns->{query_queue} } == @$queue) {	2020	if (@{ $ns->{query_queue} } == @$queue) {
1725	if (@$queue) {	2021	if (@$queue) {
…		…
1729	}	2025	}
1730	}	2026	}
1731	},	2027	},
1732	);	2028	);
1733		2029
1734	=item $client->coro (\&cb)	2030	=item $client->async (\&cb)
1735		2031
1736	Create a new coroutine, running the specified callback. The coroutine will	2032	Create a new coroutine, running the specified callback. The coroutine will
1737	be automatically cancelled when the client gets destroyed (e.g. on logout,	2033	be automatically cancelled when the client gets destroyed (e.g. on logout,
1738	or loss of connection).	2034	or loss of connection).
1739		2035
1740	=cut	2036	=cut
1741		2037
1742	sub cf::client::coro {	2038	sub cf::client::async {
1743	my ($self, $cb) = @_;	2039	my ($self, $cb) = @_;
1744		2040
1745	my $coro = &cf::async ($cb);	2041	my $coro = &Coro::async ($cb);
1746		2042
1747	$coro->on_destroy (sub {	2043	$coro->on_destroy (sub {
1748	delete $self->{_coro}{$coro+0};	2044	delete $self->{_coro}{$coro+0};
1749	});	2045	});
1750		2046
…		…
1944	sub db_sync() {	2240	sub db_sync() {
1945	db_save if $dirty;	2241	db_save if $dirty;
1946	undef $dirty;	2242	undef $dirty;
1947	}	2243	}
1948		2244
1949	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2245	my $idle = Event->idle (
1950	db_sync;	2246	reentrant => 0,
		2247	min => 10,
		2248	max => 20,
		2249	repeat => 0,
		2250	data => WF_AUTOCANCEL,
		2251	cb => \&db_sync,
1951	});	2252	);
1952		2253
1953	sub db_dirty() {	2254	sub db_dirty() {
1954	$dirty = 1;	2255	$dirty = 1;
1955	$idle->start;	2256	$idle->start;
1956	}	2257	}
…		…
1977	},	2278	},
1978	);	2279	);
1979	}	2280	}
1980		2281
1981	#############################################################################	2282	#############################################################################
1982	# 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	}
1983		2289
1984	sub cfg_load {	2290	sub cfg_load {
1985	open my $fh, "<:utf8", cf::confdir . "/config"	2291	open my $fh, "<:utf8", cf::confdir . "/config"
1986	or return;	2292	or return;
1987		2293
1988	local $/;	2294	local $/;
1989	*CFG = YAML::Syck::Load <$fh>;	2295	*CFG = YAML::Syck::Load <$fh>;
		2296
		2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		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
		2302	if (exists $CFG{mlockall}) {
		2303	eval {
		2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2305	and die "WARNING: m(un)lockall failed: $!\n";
		2306	};
		2307	warn $@ if $@;
		2308	}
		2309	}
		2310
		2311	sub init {
		2312	load_resources;
1990	}	2313	}
1991		2314
1992	sub main {	2315	sub main {
1993	# we must not ever block the main coroutine	2316	# we must not ever block the main coroutine
1994	local $Coro::idle = sub {	2317	local $Coro::idle = sub {
1995	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#
1996	(Coro::unblock_sub {	2319	(async {
1997	Event::one_event;	2320	Event::one_event;
1998	})->();	2321	})->prio (Coro::PRIO_MAX);
1999	};	2322	};
2000		2323
2001	cfg_load;	2324	cfg_load;
2002	db_load;	2325	db_load;
2003	load_extensions;	2326	load_extensions;
		2327
		2328	$TICK_WATCHER->start;
2004	Event::loop;	2329	Event::loop;
2005	}	2330	}
2006		2331
2007	#############################################################################	2332	#############################################################################
2008	# 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	$map->save;
		2372	}
		2373	warn "end emergency map save\n";
		2374	};
		2375
		2376	warn "leave emergency perl save\n";
		2377	}
2009		2378
2010	sub reload() {	2379	sub reload() {
2011	# can/must only be called in main	2380	# can/must only be called in main
2012	if ($Coro::current != $Coro::main) {	2381	if ($Coro::current != $Coro::main) {
2013	warn "can only reload from main coroutine\n";	2382	warn "can only reload from main coroutine";
2014	return;	2383	return;
2015	}	2384	}
2016		2385
2017	warn "reloading...";	2386	warn "reloading...";
2018		2387
2019	local $FREEZE = 1;	2388	warn "cancelling server ticker";
		2389	$TICK_WATCHER->cancel;
		2390
2020	cf::emergency_save;	2391	cf::emergency_save;
2021		2392
2022	eval {	2393	eval {
2023	# 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
2024		2395
2025	# cancel all watchers	2396	warn "syncing database to disk";
		2397	cf::db_sync;
		2398
		2399	warn "cancelling all WF_AUTOCANCEL watchers";
2026	for (Event::all_watchers) {	2400	for (Event::all_watchers) {
2027	$_->cancel if $_->data & WF_AUTOCANCEL;	2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2028	}	2402	}
2029		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
2030	# cancel all extension coros	2412	warn "cancelling all extension coros";
2031	$_->cancel for values %EXT_CORO;	2413	$_->cancel for values %EXT_CORO;
2032	%EXT_CORO = ();	2414	%EXT_CORO = ();
2033		2415
2034	# unload all extensions	2416	warn "removing commands";
2035	for (@exts) {	2417	%COMMAND = ();
		2418
		2419	warn "removing ext commands";
		2420	%EXTCMD = ();
		2421
		2422	warn "unloading/nuking all extensions";
		2423	for my $pkg (@EXTS) {
2036	warn "unloading <$_>";	2424	warn "... unloading $pkg";
2037	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: $@";
2038	}	2431	}
2039		2432
		2433	warn "... nuking $pkg";
		2434	Symbol::delete_package $pkg;
		2435	}
		2436
2040	# unload all modules loaded from $LIBDIR	2437	warn "unloading all perl modules loaded from $LIBDIR";
2041	while (my ($k, $v) = each %INC) {	2438	while (my ($k, $v) = each %INC) {
2042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2043		2440
2044	warn "removing <$k>";	2441	warn "... unloading $k";
2045	delete $INC{$k};	2442	delete $INC{$k};
2046		2443
2047	$k =~ s/\.pm$//;	2444	$k =~ s/\.pm$//;
2048	$k =~ s/\//::/g;	2445	$k =~ s/\//::/g;
2049		2446
…		…
2052	}	2449	}
2053		2450
2054	Symbol::delete_package $k;	2451	Symbol::delete_package $k;
2055	}	2452	}
2056		2453
2057	# sync database to disk
2058	cf::db_sync;
2059	IO::AIO::flush;
2060
2061	# get rid of safe::, as good as possible	2454	warn "getting rid of safe::, as good as possible";
2062	Symbol::delete_package "safe::$_"	2455	Symbol::delete_package "safe::$_"
2063	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);
2064		2457
2065	# remove register_script_function callbacks
2066	# TODO
2067
2068	# unload cf.pm "a bit"	2458	warn "unloading cf.pm \"a bit\"";
2069	delete $INC{"cf.pm"};	2459	delete $INC{"cf.pm"};
2070		2460
2071	# don't, removes xs symbols, too,	2461	# don't, removes xs symbols, too,
2072	# and global variables created in xs	2462	# and global variables created in xs
2073	#Symbol::delete_package __PACKAGE__;	2463	#Symbol::delete_package __PACKAGE__;
2074		2464
2075	# reload cf.pm	2465	warn "unload completed, starting to reload now";
		2466
2076	warn "reloading cf.pm";	2467	warn "reloading cf.pm";
2077	require cf;	2468	require cf;
2078	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2079		2470
2080	# load config and database again	2471	warn "loading config and database again";
2081	cf::cfg_load;	2472	cf::cfg_load;
2082	cf::db_load;	2473	cf::db_load;
2083		2474
2084	# load extensions
2085	warn "load extensions";	2475	warn "loading extensions";
2086	cf::load_extensions;	2476	cf::load_extensions;
2087		2477
2088	# reattach attachments to objects	2478	warn "reattaching attachments to objects/players";
2089	warn "reattach";
2090	_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	$TICK_WATCHER->start;
2091	};	2489	};
2092		2490
2093	if ($@) {	2491	if ($@) {
2094	warn $@;	2492	warn $@;
2095	warn "error while reloading, exiting.";	2493	warn "error while reloading, exiting.";
2096	exit 1;	2494	exit 1;
2097	}	2495	}
2098		2496
2099	warn "reloaded successfully";	2497	warn "reloaded";
2100	};	2498	};
2101		2499
2102	#############################################################################	2500	our $RELOAD_WATCHER; # used only during reload
2103
2104	unless ($LINK_MAP) {
2105	$LINK_MAP = cf::map::new;
2106
2107	$LINK_MAP->width (41);
2108	$LINK_MAP->height (41);
2109	$LINK_MAP->alloc;
2110	$LINK_MAP->path ("{link}");
2111	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2112	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2113
2114	# dirty hack because... archetypes are not yet loaded
2115	Event->timer (
2116	after => 2,
2117	cb => sub {
2118	$_[0]->w->cancel;
2119
2120	# provide some exits "home"
2121	my $exit = cf::object::new "exit";
2122
2123	$exit->slaying ($EMERGENCY_POSITION->[0]);
2124	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2125	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2126
2127	$LINK_MAP->insert ($exit->clone, 19, 19);
2128	$LINK_MAP->insert ($exit->clone, 19, 20);
2129	$LINK_MAP->insert ($exit->clone, 19, 21);
2130	$LINK_MAP->insert ($exit->clone, 20, 19);
2131	$LINK_MAP->insert ($exit->clone, 20, 21);
2132	$LINK_MAP->insert ($exit->clone, 21, 19);
2133	$LINK_MAP->insert ($exit->clone, 21, 20);
2134	$LINK_MAP->insert ($exit->clone, 21, 21);
2135
2136	$exit->destroy;
2137	});
2138
2139	$LINK_MAP->{deny_save} = 1;
2140	$LINK_MAP->{deny_reset} = 1;
2141
2142	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2143	}
2144
2145	register "<global>", __PACKAGE__;
2146		2501
2147	register_command "reload" => sub {	2502	register_command "reload" => sub {
2148	my ($who, $arg) = @_;	2503	my ($who, $arg) = @_;
2149		2504
2150	if ($who->flag (FLAG_WIZ)) {	2505	if ($who->flag (FLAG_WIZ)) {
2151	$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 {
2152	reload;	2516	reload;
2153	$who->message ("end of reload.");	2517	undef $RELOAD_WATCHER;
		2518	},
		2519	);
2154	}	2520	}
2155	};	2521	};
2156		2522
2157	unshift @INC, $LIBDIR;	2523	unshift @INC, $LIBDIR;
		2524
		2525	my $bug_warning = 0;
2158		2526
2159	$TICK_WATCHER = Event->timer (	2527	$TICK_WATCHER = Event->timer (
2160	reentrant => 0,	2528	reentrant => 0,
		2529	parked => 1,
2161	prio => 0,	2530	prio => 0,
2162	at => $NEXT_TICK || $TICK,	2531	at => $NEXT_TICK || $TICK,
2163	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2164	cb => sub {	2533	cb => sub {
2165	unless ($FREEZE) {	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
2166	cf::server_tick; # one server iteration	2542	cf::server_tick; # one server iteration
2167	$RUNTIME += $TICK;	2543	$RUNTIME += $TICK;
2168	}
2169
2170	$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#
2171		2554
2172	# 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
2173	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2174		2557
2175	$TICK_WATCHER->at ($NEXT_TICK);	2558	$TICK_WATCHER->at ($NEXT_TICK);
2176	$TICK_WATCHER->start;	2559	$TICK_WATCHER->start;
2177	},	2560	},
2178	);	2561	);
2179		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;
2180	IO::AIO::max_poll_time $TICK * 0.2;	2613	IO::AIO::max_poll_time $TICK * 0.1;
2181		2614	$AIO_POLL_WATCHER = Event->io (
2182	Event->io (	2615	reentrant => 0,
2183	fd => IO::AIO::poll_fileno,	2616	fd => IO::AIO::poll_fileno,
2184	poll => 'r',	2617	poll => 'r',
2185	prio => 5,	2618	prio => 6,
2186	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2187	cb => \&IO::AIO::poll_cb,	2620	cb => \&IO::AIO::poll_cb,
2188	);	2621	);
		2622	}
2189		2623
2190	Event->timer (	2624	$WRITE_RUNTIME_WATCHER = Event->timer (
		2625	reentrant => 0,
2191	data => WF_AUTOCANCEL,	2626	data => WF_AUTOCANCEL,
2192	after => 0,	2627	after => 1,
2193	interval => 10,	2628	interval => 10,
2194	cb => sub {	2629	prio => 6, # keep it lowest so it acts like a watchdog
2195	(Coro::unblock_sub {	2630	cb => Coro::unblock_sub {
2196	write_runtime	2631	write_runtime
2197	or warn "ERROR: unable to write runtime file: $!";	2632	or warn "ERROR: unable to write runtime file: $!";
2198	})->();
2199	},	2633	},
2200	);	2634	);
2201		2635
2202	END { cf::emergency_save }	2636	END { cf::emergency_save }
2203		2637

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