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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.121 by root, Tue Jan 2 11:11:52 2007 UTC vs.
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3;	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
		24	use Data::Dumper;
20	use Digest::MD5;	25	use Digest::MD5;
21	use Fcntl;	26	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
		28	use IO::AIO 2.32 ();
24	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
25		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
27		39
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
30		42
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		44
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		46
35	our %COMMAND = ();	47	our %COMMAND = ();
36	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
38		54
		55	our $RELOAD; # number of reloads so far
39	our @EVENT;	56	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
41		58
42	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	63	our $NEXT_TICK;
45	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
46		69
47	our %CFG;	70	our %CFG;
48		71
49	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	73	our $RUNTIME;
51		74
		75	our %PLAYER; # all users
52	our %MAP; # all maps	76	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	79	our $BDB_ENV_DIR = cf::localdir . "/db";
		80
		81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		83
		84	# used to convert map paths into valid unix filenames by replacing / by ∕
		85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		86
58	binmode STDOUT;	87	binmode STDOUT;
59	binmode STDERR;	88	binmode STDERR;
60		89
61	# read virtual server time, if available	90	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	97	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	98	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	99	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	100	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	101	mkdir $RANDOM_MAPS;
		102	mkdir $BDB_ENV_DIR;
73		103
74	# a special map that is always available	104	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		105
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	106	sub cf::map::normalise;
78		107
79	#############################################################################	108	#############################################################################
80		109
81	=head2 GLOBAL VARIABLES	110	=head2 GLOBAL VARIABLES
82		111
…		…
106		135
107	=item %cf::CFG	136	=item %cf::CFG
108		137
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	138	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	139	from wherever your confdir points to.
		140
		141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		142
		143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		145	processing has been done. Call C<< ->wait >> on them to maximise the
		146	window of cpu time available, or simply to synchronise to the server tick.
111		147
112	=back	148	=back
113		149
114	=cut	150	=cut
115		151
…		…
119	utf8::encode $msg;	155	utf8::encode $msg;
120		156
121	$msg .= "\n"	157	$msg .= "\n"
122	unless $msg =~ /\n$/;	158	unless $msg =~ /\n$/;
123		159
124	LOG llevError, "cfperl: $msg";	160	LOG llevError, $msg;
125	};	161	};
126	}	162	}
127		163
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		183
148	$Event::DIED = sub {	184	$Event::DIED = sub {
149	warn "error in event callback: @_";	185	warn "error in event callback: @_";
150	};	186	};
151		187
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
157		189
158	=over 4	190	=over 4
159		191
160	=cut	192	=item dumpval $ref
161		193
		194	=cut
		195
		196	sub dumpval {
		197	eval {
		198	local $SIG{__DIE__};
		199	my $d;
		200	if (1) {
		201	$d = new Data::Dumper([$_[0]], ["*var"]);
		202	$d->Terse(1);
		203	$d->Indent(2);
		204	$d->Quotekeys(0);
		205	$d->Useqq(1);
		206	#$d->Bless(...);
		207	$d->Seen($_[1]) if @_ > 1;
		208	$d = $d->Dump();
		209	}
		210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		211	$d
		212	} || "[unable to dump $_[0]: '$@']";
		213	}
		214
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
163		216
164	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
165		218
166	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
167		220
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
176		222
177	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
178		224
179	=cut
180
181	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]
184	}
185
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	225	=item cf::lock_wait $string
209		226
210	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
211		228
212	=item my $lock = cf::lock_acquire $string	229	=item my $lock = cf::lock_acquire $string
213		230
214	Wait until the given lock is available and then acquires it and returns	231	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,	232	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	233	for example when the coroutine gets canceled), the lock is automatically
217	returned.	234	returned.
218		235
219	Lock names should begin with a unique identifier (for example, find_map	236	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	237	uses map_find and cf::map::load uses map_load).
221		238
222	=cut	239	=cut
223		240
224	our %LOCK;	241	our %LOCK;
225		242
…		…
239	# wait, to be sure we are not locked	256	# wait, to be sure we are not locked
240	lock_wait $key;	257	lock_wait $key;
241		258
242	$LOCK{$key} = [];	259	$LOCK{$key} = [];
243		260
244	cf::guard {	261	Coro::guard {
245	# wake up all waiters, to be on the safe side	262	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	263	$_->ready for @{ delete $LOCK{$key} };
247	}	264	}
248	}	265	}
		266
		267	sub freeze_mainloop {
		268	return unless $TICK_WATCHER->is_active;
		269
		270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
		273	$TICK_WATCHER->stop;
		274	$guard
		275	}
		276
		277	=item cf::async { BLOCK }
		278
		279	Currently the same as Coro::async_pool, meaning you cannot use
		280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		281	thing you are allowed to do is call C<prio> on it.
		282
		283	=cut
		284
		285	BEGIN { *async = \&Coro::async_pool }
249		286
250	=item cf::sync_job { BLOCK }	287	=item cf::sync_job { BLOCK }
251		288
252	The design of crossfire+ requires that the main coro ($Coro::main) is	289	The design of crossfire+ requires that the main coro ($Coro::main) is
253	always able to handle events or runnable, as crossfire+ is only partly	290	always able to handle events or runnable, as crossfire+ is only partly
…		…
267	# this is the main coro, too bad, we have to block	304	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	305	# till the operation succeeds, freezing the server :/
269		306
270	# TODO: use suspend/resume instead	307	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	308	# (but this is cancel-safe)
272	local $FREEZE = 1;	309	my $freeze_guard = freeze_mainloop;
273		310
274	my $busy = 1;	311	my $busy = 1;
275	my @res;	312	my @res;
276		313
277	(Coro::async {	314	(async {
278	@res = eval { $job->() };	315	@res = eval { $job->() };
279	warn $@ if $@;	316	warn $@ if $@;
280	undef $busy;	317	undef $busy;
281	})->prio (Coro::PRIO_MAX);	318	})->prio (Coro::PRIO_MAX);
282		319
283	while ($busy) {	320	while ($busy) {
284	Coro::cede_notself;	321	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	322	}
287		323
288	wantarray ? @res : $res[0]	324	wantarray ? @res : $res[0]
289	} else {	325	} else {
290	# we are in another coroutine, how wonderful, everything just works	326	# we are in another coroutine, how wonderful, everything just works
291		327
292	$job->()	328	$job->()
293	}	329	}
294	}	330	}
295		331
296	=item $coro = cf::coro { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
297		333
298	Creates and returns a new coro. This coro is automcatially being canceled	334	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	335	extension calling this is being unloaded.
300		336
301	=cut	337	=cut
302		338
303	sub coro(&) {	339	sub async_ext(&) {
304	my $cb = shift;	340	my $cb = shift;
305		341
306	my $coro; $coro = async {	342	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		343
313	$coro->on_destroy (sub {	344	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	345	delete $EXT_CORO{$coro+0};
315	});	346	});
316	$EXT_CORO{$coro+0} = $coro;	347	$EXT_CORO{$coro+0} = $coro;
317		348
318	$coro	349	$coro
319	}	350	}
320		351
321	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
322	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
323		356
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	358	or return;
326		359
		360	my $value = $cf::RUNTIME + 90 + 10;
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	365	and return;
330		366
		367	# always fsync - this file is important
331	aio_fsync $fh	368	aio_fsync $fh
332	and return;	369	and return;
333		370
334	close $fh	371	close $fh
335	or return;	372	or return;
…		…
338	and return;	375	and return;
339		376
340	1	377	1
341	}	378	}
342		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
343	=back	391	=back
344		392
345	=cut	393	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		394
467	#############################################################################	395	#############################################################################
468		396
469	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
470		398
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	525	our @CB_MAP = ();
598		526
599	my %attachment;	527	my %attachment;
600		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
601	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
603		537
604	use sort 'stable';	538	use sort 'stable';
605		539
…		…
776	# object support	710	# object support
777		711
778	sub reattach {	712	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		717
782	my $registry = $obj->registry;	718	my $registry = $obj->registry;
783		719
784	@$registry = ();	720	@$registry = ();
785		721
…		…
832	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
833		769
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
837	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	774	close $fh;
839		775
840	if (@$objs) {	776	if (@$objs) {
841	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
842	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
845	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
846	close $fh;	782	close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
848	}	784	}
849	} else {	785	} else {
850	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
917	=cut	853	=cut
918		854
919	sub register_extcmd {	855	sub register_extcmd {
920	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
921		857
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
926	}	859	}
927		860
928	cf::player->attach (	861	cf::player->attach (
929	on_command => sub {	862	on_command => sub {
930	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
943		876
944	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
945		878
946	if (ref $msg) {	879	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	883	}
951	}	884	}
952	} else {	885	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		888
956	cf::override;	889	cf::override;
957	},	890	},
958	);	891	);
959		892
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	893	sub load_extension {
967	my ($path) = @_;	894	my ($path) = @_;
968		895
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	897	my $base = $1;
971	my $pkg = $1;	898	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
974		901
975	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
976		903
977	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
978	or die "$path: $!";	905	or die "$path: $!";
979		906
980	my $source =	907	my $source =
981	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
984	. "\n};\n1";	911	. "\n};\n1";
985		912
986	eval $source	913	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	915	: "extension disabled.\n";
989		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	917	warn $@;
991	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
992		919	exit 1;
993	# no strict 'refs';	920	}
994	# @{"$pkg\::ISA"} = ext::;	921	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	922	}
1009		923
1010	# remove commands	924	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	925	}
1035		926
1036	sub load_extensions {	927	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	929	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1043	}	934	}
1044	}	935	}
1045		936
1046	#############################################################################	937	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		938
1084	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1085		940
1086	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1087		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1088	=head3 cf::player	949	=head3 cf::player
1089		950
1090	=over 4	951	=over 4
1091		952
1092	=item cf::player::exists $login	953	=item cf::player::find $login
1093		954
1094	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1095		956
1096	=cut	957	=cut
1097		958
1098	sub cf::player::exists($) {	959	sub playerdir($) {
1099	cf::player::find $_[0]	960	cf::localdir
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	961	. "/"
		962	. cf::playerdir
		963	. "/"
		964	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1101	}	965	}
1102		966
		967	sub path($) {
		968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		969
		970	(playerdir $login) . "/playerdata"
		971	}
		972
		973	sub find_active($) {
		974	$cf::PLAYER{$_[0]}
		975	and $cf::PLAYER{$_[0]}->active
		976	and $cf::PLAYER{$_[0]}
		977	}
		978
		979	sub exists($) {
		980	my ($login) = @_;
		981
		982	$cf::PLAYER{$login}
		983	or cf::sync_job { !aio_stat path $login }
		984	}
		985
		986	sub find($) {
		987	return $cf::PLAYER{$_[0]} || do {
		988	my $login = $_[0];
		989
		990	my $guard = cf::lock_acquire "user_find:$login";
		991
		992	$cf::PLAYER{$_[0]} || do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
		1000	my $pl = load_pl path $login
		1001	or return;
		1002	$cf::PLAYER{$login} = $pl
		1003	}
		1004	}
		1005	}
		1006
		1007	sub save($) {
		1008	my ($pl) = @_;
		1009
		1010	return if $pl->{deny_save};
		1011
		1012	my $path = path $pl;
		1013	my $guard = cf::lock_acquire "user_save:$path";
		1014
		1015	return if $pl->{deny_save};
		1016
		1017	aio_mkdir playerdir $pl, 0770;
		1018	$pl->{last_save} = $cf::RUNTIME;
		1019
		1020	$pl->save_pl ($path);
		1021	Coro::cede;
		1022	}
		1023
		1024	sub new($) {
		1025	my ($login) = @_;
		1026
		1027	my $self = create;
		1028
		1029	$self->ob->name ($login);
		1030	$self->{deny_save} = 1;
		1031
		1032	$cf::PLAYER{$login} = $self;
		1033
		1034	$self
		1035	}
		1036
		1037	=item $pl->quit_character
		1038
		1039	Nukes the player without looking back. If logged in, the connection will
		1040	be destroyed. May block for a long time.
		1041
		1042	=cut
		1043
		1044	sub quit_character {
		1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
		1048
		1049	$pl->{deny_save} = 1;
		1050	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1051
		1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1053	$pl->deactivate;
		1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1055	$pl->ns->destroy if $pl->ns;
		1056
		1057	my $path = playerdir $pl;
		1058	my $temp = "$path~$cf::RUNTIME~deleting~";
		1059	aio_rename $path, $temp;
		1060	delete $cf::PLAYER{$pl->ob->name};
		1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
		1068	IO::AIO::aio_rmtree $temp;
		1069	}
		1070
		1071	=item $pl->kick
		1072
		1073	Kicks a player out of the game. This destroys the connection.
		1074
		1075	=cut
		1076
		1077	sub kick {
		1078	my ($pl, $kicker) = @_;
		1079
		1080	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1081	$pl->killer ("kicked");
		1082	$pl->ns->destroy;
		1083	}
		1084
		1085	=item cf::player::list_logins
		1086
		1087	Returns am arrayref of all valid playernames in the system, can take a
		1088	while and may block, so not sync_job-capable, ever.
		1089
		1090	=cut
		1091
		1092	sub list_logins {
		1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1094	or return [];
		1095
		1096	my @logins;
		1097
		1098	for my $login (@$dirs) {
		1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1100	aio_read $fh, 0, 512, my $buf, 0 or next;
		1101	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1102
		1103	utf8::decode $login;
		1104	push @logins, $login;
		1105	}
		1106
		1107	\@logins
		1108	}
		1109
		1110	=item $player->maps
		1111
		1112	Returns an arrayref of map paths that are private for this
		1113	player. May block.
		1114
		1115	=cut
		1116
		1117	sub maps($) {
		1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
		1121
		1122	my $files = aio_readdir playerdir $pl
		1123	or return;
		1124
		1125	my @paths;
		1126
		1127	for (@$files) {
		1128	utf8::decode $_;
		1129	next if /\.(?:pl|pst)$/;
		1130	next unless /^$PATH_SEP/o;
		1131
		1132	push @paths, cf::map::normalise "~$pl/$_";
		1133	}
		1134
		1135	\@paths
		1136	}
		1137
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1104		1139
1105	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1106		1141
1107	=cut	1142	=cut
1108		1143
1109	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1110	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1111		1146
1112	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1113		1148
1114	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	=head3 cf::region
		1165
		1166	=over 4
		1167
		1168	=cut
		1169
		1170	package cf::region;
		1171
		1172	=item cf::region::find_by_path $path
		1173
		1174	Tries to decuce the probable region for a map knowing only its path.
		1175
		1176	=cut
		1177
		1178	sub find_by_path($) {
		1179	my ($path) = @_;
		1180
		1181	my ($match, $specificity);
		1182
		1183	for my $region (list) {
		1184	if ($region->match && $path =~ $region->match) {
		1185	($match, $specificity) = ($region, $region->specificity)
		1186	if $region->specificity > $specificity;
		1187	}
		1188	}
		1189
		1190	$match
1115	}	1191	}
1116		1192
1117	=back	1193	=back
1118
1119		1194
1120	=head3 cf::map	1195	=head3 cf::map
1121		1196
1122	=over 4	1197	=over 4
1123		1198
…		…
1126	package cf::map;	1201	package cf::map;
1127		1202
1128	use Fcntl;	1203	use Fcntl;
1129	use Coro::AIO;	1204	use Coro::AIO;
1130		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1131	our $MAX_RESET = 7200;	1210	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1211	our $DEFAULT_RESET = 3000;
1133		1212
1134	sub generate_random_map {	1213	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1216	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1227	(cf::region::find $rmp->{region}), $rmp->{custom}
		1228	)
		1229	}
		1230
		1231	=item cf::map->register ($regex, $prio)
		1232
		1233	Register a handler for the map path matching the given regex at the
		1234	givne priority (higher is better, built-in handlers have priority 0, the
		1235	default).
		1236
		1237	=cut
		1238
		1239	sub register {
		1240	my (undef, $regex, $prio) = @_;
		1241	my $pkg = caller;
		1242
		1243	no strict;
		1244	push @{"$pkg\::ISA"}, __PACKAGE__;
		1245
		1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1247	}
		1248
		1249	# also paths starting with '/'
		1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1251
		1252	sub thawer_merge {
		1253	my ($self, $merge) = @_;
		1254
		1255	# we have to keep some variables in memory intact
		1256	local $self->{path};
		1257	local $self->{load_path};
		1258	local $self->{deny_save};
		1259	local $self->{deny_reset};
		1260
		1261	$self->SUPER::thawer_merge ($merge);
		1262	}
		1263
		1264	sub normalise {
		1265	my ($path, $base) = @_;
		1266
		1267	$path = "$path"; # make sure its a string
		1268
		1269	$path =~ s/\.map$//;
		1270
		1271	# map plan:
		1272	#
		1273	# /! non-realised random map exit (special hack!)
		1274	# {... are special paths that are not being touched
		1275	# ?xxx/... are special absolute paths
		1276	# ?random/... random maps
		1277	# /... normal maps
		1278	# ~user/... per-player map of a specific user
		1279
		1280	$path =~ s/$PATH_SEP/\//go;
		1281
		1282	# treat it as relative path if it starts with
		1283	# something that looks reasonable
		1284	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1285	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1286
		1287	$base =~ s{[^/]+/?$}{};
		1288	$path = "$base/$path";
		1289	}
		1290
		1291	for ($path) {
		1292	redo if s{//}{/};
		1293	redo if s{/\.?/}{/};
		1294	redo if s{/[^/]+/\.\./}{/};
		1295	}
		1296
		1297	$path
		1298	}
		1299
		1300	sub new_from_path {
		1301	my (undef, $path, $base) = @_;
		1302
		1303	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1304
		1305	$path = normalise $path, $base;
		1306
		1307	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1308	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1309	my $self = bless cf::map::new, $pkg;
		1310	$self->{path} = $path; $self->path ($path);
		1311	$self->init; # pass $1 etc.
		1312	return $self;
		1313	}
		1314	}
		1315
		1316	Carp::carp "unable to resolve path '$path' (base '$base').";
		1317	()
		1318	}
		1319
		1320	sub init {
		1321	my ($self) = @_;
		1322
		1323	$self
		1324	}
		1325
		1326	sub as_string {
		1327	my ($self) = @_;
		1328
		1329	"$self->{path}"
		1330	}
		1331
		1332	# the displayed name, this is a one way mapping
		1333	sub visible_name {
		1334	&as_string
		1335	}
		1336
		1337	# the original (read-only) location
		1338	sub load_path {
		1339	my ($self) = @_;
		1340
		1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1342	}
		1343
		1344	# the temporary/swap location
		1345	sub save_path {
		1346	my ($self) = @_;
		1347
		1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1350	}
		1351
		1352	# the unique path, undef == no special unique path
		1353	sub uniq_path {
		1354	my ($self) = @_;
		1355
		1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1151	}	1358	}
1152		1359
1153	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1154	# all maps in C++...	1361	# all maps in C++...
1155	sub change_all_map_light {	1362	sub change_all_map_light {
1156	my ($change) = @_;	1363	my ($change) = @_;
1157		1364
1158	$_->change_map_light ($change) for values %cf::MAP;	1365	$_->change_map_light ($change)
		1366	for grep $_->outdoor, values %cf::MAP;
1159	}	1367	}
1160		1368
		1369	sub unlink_save {
		1370	my ($self) = @_;
		1371
		1372	utf8::encode (my $save = $self->save_path);
		1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1374	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1375	}
		1376
1161	sub try_load_header($) {	1377	sub load_header_from($) {
1162	my ($path) = @_;	1378	my ($self, $path) = @_;
1163		1379
1164	utf8::encode $path;	1380	utf8::encode $path;
1165	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1166	or return;	1385	or return;
1167		1386
1168	my $map = cf::map::new	1387	$self->{load_path} = $path;
		1388
		1389	1
		1390	}
		1391
		1392	sub load_header_orig {
		1393	my ($self) = @_;
		1394
		1395	$self->load_header_from ($self->load_path)
		1396	}
		1397
		1398	sub load_header_temp {
		1399	my ($self) = @_;
		1400
		1401	$self->load_header_from ($self->save_path)
		1402	}
		1403
		1404	sub prepare_temp {
		1405	my ($self) = @_;
		1406
		1407	$self->last_access ((delete $self->{last_access})
		1408	|| $cf::RUNTIME); #d#
		1409	# safety
		1410	$self->{instantiate_time} = $cf::RUNTIME
		1411	if $self->{instantiate_time} > $cf::RUNTIME;
		1412	}
		1413
		1414	sub prepare_orig {
		1415	my ($self) = @_;
		1416
		1417	$self->{load_original} = 1;
		1418	$self->{instantiate_time} = $cf::RUNTIME;
		1419	$self->last_access ($cf::RUNTIME);
		1420	$self->instantiate;
		1421	}
		1422
		1423	sub load_header {
		1424	my ($self) = @_;
		1425
		1426	if ($self->load_header_temp) {
		1427	$self->prepare_temp;
		1428	} else {
		1429	$self->load_header_orig
1169	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1170		1433
1171	$map->load_header ($path)	1434	$self->default_region (cf::region::find_by_path $self->{path})
1172	or return;	1435	unless $self->default_region;
1173		1436
1174	$map->{load_path} = $path;	1437	1
1175
1176	$map
1177	}	1438	}
1178		1439
		1440	sub find;
1179	sub find_map {	1441	sub find {
1180	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1181		1443
1182	#warn "find_map<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1445
1187	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1188		1447
1189	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1191		1450	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	if ($map) {
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1451	or return;
1207		1452
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->instantiate;
1211
1212	# per-player maps become, after loading, normal maps
1213	$map->per_player (0) if $path->{user_rel};
1214	}
1215
1216	$map->path ($key);
1217	$map->{path} = $path;
1218	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1219	$map->last_access ($cf::RUNTIME);
1220		1454
1221	if ($map->should_reset) {	1455	$map->load_header
		1456	or return;
		1457
		1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1459	# doing this can freeze the server in a sync job, obviously
		1460	#$cf::WAIT_FOR_TICK->wait;
1222	$map->reset;	1461	$map->reset;
1223	$map = find_map $path;	1462	undef $guard;
		1463	return find $path;
1224	}	1464	}
1225		1465
1226	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1227	}	1467	}
1228	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1229		1472
1230	sub load {	1473	sub load {
1231	my ($self) = @_;	1474	my ($self) = @_;
1232		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1233	my $path = $self->{path};	1478	my $path = $self->{path};
1234	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1235		1480
1236	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1237		1482
1238	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1239		1484
1240	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488
1241	$self->load_objects ($self->{load_path}, 1)	1489	$self->_load_objects ($self->{load_path}, 1)
1242	or return;	1490	or return;
1243		1491
1244	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1245	if delete $self->{load_original};	1493	if delete $self->{load_original};
1246		1494
1247	if (my $uniq = $path->uniq_path) {	1495	if (my $uniq = $self->uniq_path) {
1248	utf8::encode $uniq;	1496	utf8::encode $uniq;
1249	if (aio_open $uniq, O_RDONLY, 0) {	1497	if (aio_open $uniq, O_RDONLY, 0) {
1250	$self->clear_unique_items;	1498	$self->clear_unique_items;
1251	$self->load_objects ($uniq, 0);	1499	$self->_load_objects ($uniq, 0);
1252	}	1500	}
1253	}	1501	}
		1502
		1503	Coro::cede;
1254		1504
1255	# now do the right thing for maps	1505	# now do the right thing for maps
1256	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
1257		1507
1258	if ($self->{path}->is_style_map) {	1508	unless ($self->{deny_activate}) {
1259	$self->{deny_save} = 1;	1509	$self->decay_objects;
1260	$self->{deny_reset} = 1;
1261	} else {
1262	$self->fix_auto_apply;	1510	$self->fix_auto_apply;
1263	$self->decay_objects;
1264	$self->update_buttons;	1511	$self->update_buttons;
		1512	Coro::cede;
1265	$self->set_darkness_map;	1513	$self->set_darkness_map;
1266	$self->difficulty ($self->estimate_difficulty)	1514	$self->difficulty ($self->estimate_difficulty)
1267	unless $self->difficulty;	1515	unless $self->difficulty;
		1516	Coro::cede;
1268	$self->activate;	1517	$self->activate;
1269	}	1518	}
1270		1519
		1520	$self->post_load;
		1521
1271	$self->in_memory (cf::MAP_IN_MEMORY);	1522	$self->in_memory (cf::MAP_IN_MEMORY);
1272	}	1523	}
1273		1524
1274	sub load_map_sync {	1525	sub customise_for {
		1526	my ($self, $ob) = @_;
		1527
		1528	return find "~" . $ob->name . "/" . $self->{path}
		1529	if $self->per_player;
		1530
		1531	$self
		1532	}
		1533
		1534	# find and load all maps in the 3x3 area around a map
		1535	sub load_diag {
		1536	my ($map) = @_;
		1537
		1538	my @diag; # diagonal neighbours
		1539
		1540	for (0 .. 3) {
		1541	my $neigh = $map->tile_path ($_)
		1542	or next;
		1543	$neigh = find $neigh, $map
		1544	or next;
		1545	$neigh->load;
		1546
		1547	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1548	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1549	}
		1550
		1551	for (@diag) {
		1552	my $neigh = find @$_
		1553	or next;
		1554	$neigh->load;
		1555	}
		1556	}
		1557
		1558	sub find_sync {
1275	my ($path, $origin) = @_;	1559	my ($path, $origin) = @_;
1276		1560
1277	#warn "load_map_sync<$path, $origin>\n";#d#	1561	cf::sync_job { find $path, $origin }
		1562	}
1278		1563
1279	cf::sync_job {	1564	sub do_load_sync {
1280	my $map = cf::map::find_map $path, $origin	1565	my ($map) = @_;
1281	or return;	1566
		1567	cf::sync_job { $map->load };
		1568	}
		1569
		1570	our %MAP_PREFETCH;
		1571	our $MAP_PREFETCHER = undef;
		1572
		1573	sub find_async {
		1574	my ($path, $origin) = @_;
		1575
		1576	$path = normalise $path, $origin && $origin->{path};
		1577
		1578	if (my $map = $cf::MAP{$path}) {
		1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1580	}
		1581
		1582	undef $MAP_PREFETCH{$path};
		1583	$MAP_PREFETCHER ||= cf::async {
		1584	while (%MAP_PREFETCH) {
		1585	for my $path (keys %MAP_PREFETCH) {
		1586	my $map = find $path
		1587	or next;
1282	$map->load;	1588	$map->load;
1283	$map	1589
		1590	delete $MAP_PREFETCH{$path};
		1591	}
		1592	}
		1593	undef $MAP_PREFETCHER;
1284	}	1594	};
		1595	$MAP_PREFETCHER->prio (6);
		1596
		1597	()
1285	}	1598	}
1286		1599
1287	sub save {	1600	sub save {
1288	my ($self) = @_;	1601	my ($self) = @_;
1289		1602
		1603	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1604
1290	$self->{last_save} = $cf::RUNTIME;	1605	$self->{last_save} = $cf::RUNTIME;
1291		1606
1292	return unless $self->dirty;	1607	return unless $self->dirty;
1293		1608
1294	my $save = $self->{path}->save_path; utf8::encode $save;	1609	my $save = $self->save_path; utf8::encode $save;
1295	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1610	my $uniq = $self->uniq_path; utf8::encode $uniq;
1296		1611
1297	$self->{load_path} = $save;	1612	$self->{load_path} = $save;
1298		1613
1299	return if $self->{deny_save};	1614	return if $self->{deny_save};
1300		1615
		1616	local $self->{last_access} = $self->last_access;#d#
		1617
		1618	cf::async {
		1619	$_->contr->save for $self->players;
		1620	};
		1621
1301	if ($uniq) {	1622	if ($uniq) {
1302	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1303	$self->save_objects ($uniq, cf::IO_UNIQUES);	1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1304	} else {	1625	} else {
1305	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1306	}	1627	}
1307	}	1628	}
1308		1629
1309	sub swap_out {	1630	sub swap_out {
1310	my ($self) = @_;	1631	my ($self) = @_;
		1632
		1633	# save first because save cedes
		1634	$self->save;
		1635
		1636	my $lock = cf::lock_acquire "map_data:" . $self->path;
1311		1637
1312	return if $self->players;	1638	return if $self->players;
1313	return if $self->in_memory != cf::MAP_IN_MEMORY;	1639	return if $self->in_memory != cf::MAP_IN_MEMORY;
1314	return if $self->{deny_save};	1640	return if $self->{deny_save};
1315		1641
1316	$self->save;
1317	$self->clear;	1642	$self->clear;
1318	$self->in_memory (cf::MAP_SWAPPED);	1643	$self->in_memory (cf::MAP_SWAPPED);
1319	}	1644	}
1320		1645
1321	sub reset_at {	1646	sub reset_at {
1322	my ($self) = @_;	1647	my ($self) = @_;
1323		1648
1324	# TODO: safety, remove and allow resettable per-player maps	1649	# TODO: safety, remove and allow resettable per-player maps
1325	return 1e99 if $self->{path}{user_rel};	1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1326	return 1e99 if $self->{deny_reset};	1651	return 1e99 if $self->{deny_reset};
1327		1652
1328	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1329	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1330		1655
…		…
1335	my ($self) = @_;	1660	my ($self) = @_;
1336		1661
1337	$self->reset_at <= $cf::RUNTIME	1662	$self->reset_at <= $cf::RUNTIME
1338	}	1663	}
1339		1664
1340	sub unlink_save {
1341	my ($self) = @_;
1342
1343	utf8::encode (my $save = $self->{path}->save_path);
1344	aioreq_pri 3; IO::AIO::aio_unlink $save;
1345	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1346	}
1347
1348	sub rename {
1349	my ($self, $new_path) = @_;
1350
1351	$self->unlink_save;
1352
1353	delete $cf::MAP{$self->path};
1354	$self->{path} = new cf::path $new_path;
1355	$self->path ($self->{path}->as_string);
1356	$cf::MAP{$self->path} = $self;
1357
1358	$self->save;
1359	}
1360
1361	sub reset {	1665	sub reset {
1362	my ($self) = @_;	1666	my ($self) = @_;
1363		1667
		1668	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1669
1364	return if $self->players;	1670	return if $self->players;
1365	return if $self->{path}{user_rel};#d#	1671	return if $self->isa ("ext::map_per_player");#d#
1366		1672
1367	warn "resetting map ", $self->path;#d#	1673	warn "resetting map ", $self->path;#d#
1368		1674
		1675	$self->in_memory (cf::MAP_SWAPPED);
		1676
		1677	# need to save uniques path
		1678	unless ($self->{deny_save}) {
		1679	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1680
		1681	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1682	if $uniq;
		1683	}
		1684
1369	delete $cf::MAP{$self->path};	1685	delete $cf::MAP{$self->path};
		1686
		1687	$self->clear;
1370		1688
1371	$_->clear_links_to ($self) for values %cf::MAP;	1689	$_->clear_links_to ($self) for values %cf::MAP;
1372		1690
1373	$self->unlink_save;	1691	$self->unlink_save;
1374	$self->destroy;	1692	$self->destroy;
…		…
1377	my $nuke_counter = "aaaa";	1695	my $nuke_counter = "aaaa";
1378		1696
1379	sub nuke {	1697	sub nuke {
1380	my ($self) = @_;	1698	my ($self) = @_;
1381		1699
		1700	delete $cf::MAP{$self->path};
		1701
		1702	$self->unlink_save;
		1703
		1704	bless $self, "cf::map";
		1705	delete $self->{deny_reset};
1382	$self->{deny_save} = 1;	1706	$self->{deny_save} = 1;
1383	$self->reset_timeout (1);	1707	$self->reset_timeout (1);
1384	$self->rename ("{nuke}/" . ($nuke_counter++));	1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1709
		1710	$cf::MAP{$self->path} = $self;
		1711
1385	$self->reset; # polite request, might not happen	1712	$self->reset; # polite request, might not happen
1386	}	1713	}
1387		1714
1388	sub customise_for {	1715	=item cf::map::unique_maps
1389	my ($map, $ob) = @_;
1390		1716
1391	if ($map->per_player) {	1717	Returns an arrayref of paths of all shared maps that have
1392	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1718	instantiated unique items. May block.
1393	}
1394		1719
1395	$map	1720	=cut
1396	}
1397		1721
1398	sub emergency_save {	1722	sub unique_maps() {
1399	local $cf::FREEZE = 1;	1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1724	or return;
1400		1725
1401	warn "enter emergency map save\n";	1726	my @paths;
1402		1727
1403	cf::sync_job {	1728	for (@$files) {
1404	warn "begin emergency map save\n";	1729	utf8::decode $_;
1405	$_->save for values %cf::MAP;	1730	next if /\.pst$/;
		1731	next unless /^$PATH_SEP/o;
		1732
		1733	push @paths, cf::map::normalise $_;
1406	};	1734	}
1407		1735
1408	warn "end emergency map save\n";	1736	\@paths
1409	}	1737	}
1410		1738
1411	package cf;	1739	package cf;
1412		1740
1413	=back	1741	=back
1414		1742
		1743	=head3 cf::object
		1744
		1745	=cut
		1746
		1747	package cf::object;
		1748
		1749	=over 4
		1750
		1751	=item $ob->inv_recursive
		1752
		1753	Returns the inventory of the object _and_ their inventories, recursively.
		1754
		1755	=cut
		1756
		1757	sub inv_recursive_;
		1758	sub inv_recursive_ {
		1759	map { $_, inv_recursive_ $_->inv } @_
		1760	}
		1761
		1762	sub inv_recursive {
		1763	inv_recursive_ inv $_[0]
		1764	}
		1765
		1766	package cf;
		1767
		1768	=back
1415		1769
1416	=head3 cf::object::player	1770	=head3 cf::object::player
1417		1771
1418	=over 4	1772	=over 4
1419		1773
…		…
1459		1813
1460	=item $player_object->enter_link	1814	=item $player_object->enter_link
1461		1815
1462	Freezes the player and moves him/her to a special map (C<{link}>).	1816	Freezes the player and moves him/her to a special map (C<{link}>).
1463		1817
1464	The player should be reaosnably safe there for short amounts of time. You	1818	The player should be reasonably safe there for short amounts of time. You
1465	I<MUST> call C<leave_link> as soon as possible, though.	1819	I<MUST> call C<leave_link> as soon as possible, though.
1466		1820
		1821	Will never block.
		1822
1467	=item $player_object->leave_link ($map, $x, $y)	1823	=item $player_object->leave_link ($map, $x, $y)
1468		1824
1469	Moves the player out of the specila link map onto the given map. If the	1825	Moves the player out of the special C<{link}> map onto the specified
1470	map is not valid (or omitted), the player will be moved back to the	1826	map. If the map is not valid (or omitted), the player will be moved back
1471	location he/she was before the call to C<enter_link>, or, if that fails,	1827	to the location he/she was before the call to C<enter_link>, or, if that
1472	to the emergency map position.	1828	fails, to the emergency map position.
1473		1829
1474	Might block.	1830	Might block.
1475		1831
1476	=cut	1832	=cut
		1833
		1834	sub link_map {
		1835	unless ($LINK_MAP) {
		1836	$LINK_MAP = cf::map::find "{link}"
		1837	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1838	$LINK_MAP->load;
		1839	}
		1840
		1841	$LINK_MAP
		1842	}
1477		1843
1478	sub cf::object::player::enter_link {	1844	sub cf::object::player::enter_link {
1479	my ($self) = @_;	1845	my ($self) = @_;
1480		1846
1481	$self->deactivate_recursive;	1847	$self->deactivate_recursive;
1482		1848
1483	return if $self->map == $LINK_MAP;	1849	return if UNIVERSAL::isa $self->map, "ext::map_link";
1484		1850
1485	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1486	if $self->map;	1852	if $self->map;
1487		1853
1488	$self->enter_map ($LINK_MAP, 20, 20);	1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1489	}	1855	}
1490		1856
1491	sub cf::object::player::leave_link {	1857	sub cf::object::player::leave_link {
1492	my ($self, $map, $x, $y) = @_;	1858	my ($self, $map, $x, $y) = @_;
1493		1859
1494	my $link_pos = delete $self->{_link_pos};	1860	my $link_pos = delete $self->{_link_pos};
1495		1861
1496	unless ($map) {	1862	unless ($map) {
1497	# restore original map position	1863	# restore original map position
1498	($map, $x, $y) = @{ $link_pos || [] };	1864	($map, $x, $y) = @{ $link_pos || [] };
1499	$map = cf::map::find_map $map;	1865	$map = cf::map::find $map;
1500		1866
1501	unless ($map) {	1867	unless ($map) {
1502	($map, $x, $y) = @$EMERGENCY_POSITION;	1868	($map, $x, $y) = @$EMERGENCY_POSITION;
1503	$map = cf::map::find_map $map	1869	$map = cf::map::find $map
1504	or die "FATAL: cannot load emergency map\n";	1870	or die "FATAL: cannot load emergency map\n";
1505	}	1871	}
1506	}	1872	}
1507		1873
1508	($x, $y) = (-1, -1)	1874	($x, $y) = (-1, -1)
…		…
1511	# use -1 or undef as default coordinates, not 0, 0	1877	# use -1 or undef as default coordinates, not 0, 0
1512	($x, $y) = ($map->enter_x, $map->enter_y)	1878	($x, $y) = ($map->enter_x, $map->enter_y)
1513	if $x <=0 && $y <= 0;	1879	if $x <=0 && $y <= 0;
1514		1880
1515	$map->load;	1881	$map->load;
		1882	$map->load_diag;
1516		1883
		1884	return unless $self->contr->active;
1517	$self->activate_recursive;	1885	$self->activate_recursive;
		1886
		1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1518	$self->enter_map ($map, $x, $y);	1888	$self->enter_map ($map, $x, $y);
1519	}	1889	}
1520		1890
1521	cf::player->attach (	1891	cf::player->attach (
1522	on_logout => sub {	1892	on_logout => sub {
…		…
1534		1904
1535	# try to abort aborted map switching on player login :)	1905	# try to abort aborted map switching on player login :)
1536	# should happen only on crashes	1906	# should happen only on crashes
1537	if ($pl->ob->{_link_pos}) {	1907	if ($pl->ob->{_link_pos}) {
1538	$pl->ob->enter_link;	1908	$pl->ob->enter_link;
1539	Coro::async {	1909	(async {
		1910	$pl->ob->reply (undef,
		1911	"There was an internal problem at your last logout, "
		1912	. "the server will try to bring you to your intended destination in a second.",
		1913	cf::NDI_RED);
1540	# we need this sleep as the login has a concurrent enter_exit running	1914	# we need this sleep as the login has a concurrent enter_exit running
1541	# and this sleep increases chances of the player not ending up in scorn	1915	# and this sleep increases chances of the player not ending up in scorn
1542	Coro::Timer::sleep 1;	1916	Coro::Timer::sleep 1;
1543	$pl->ob->leave_link;	1917	$pl->ob->leave_link;
1544	};	1918	})->prio (2);
1545	}	1919	}
1546	},	1920	},
1547	);	1921	);
1548		1922
1549	=item $player_object->goto_map ($path, $x, $y)	1923	=item $player_object->goto ($path, $x, $y)
1550		1924
1551	=cut	1925	=cut
1552		1926
1553	sub cf::object::player::goto_map {	1927	sub cf::object::player::goto {
1554	my ($self, $path, $x, $y) = @_;	1928	my ($self, $path, $x, $y) = @_;
1555		1929
1556	$self->enter_link;	1930	$self->enter_link;
1557		1931
1558	(Coro::async {	1932	(async {
1559	$path = new cf::path $path;	1933	my $map = eval {
1560
1561	my $map = cf::map::find_map $path->as_string;	1934	my $map = cf::map::find $path;
1562	$map = $map->customise_for ($self) if $map;	1935	$map = $map->customise_for ($self) if $map;
1563		1936	$map
1564	# warn "entering ", $map->path, " at ($x, $y)\n"	1937	} or
1565	# if $map;
1566
1567	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1568		1939
1569	$self->leave_link ($map, $x, $y);	1940	$self->leave_link ($map, $x, $y);
1570	})->prio (1);	1941	})->prio (1);
1571	}	1942	}
1572		1943
…		…
1576		1947
1577	sub parse_random_map_params {	1948	sub parse_random_map_params {
1578	my ($spec) = @_;	1949	my ($spec) = @_;
1579		1950
1580	my $rmp = { # defaults	1951	my $rmp = { # defaults
1581	xsize => 10,	1952	xsize => (cf::rndm 15, 40),
1582	ysize => 10,	1953	ysize => (cf::rndm 15, 40),
		1954	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1955	#layout => string,
1583	};	1956	};
1584		1957
1585	for (split /\n/, $spec) {	1958	for (split /\n/, $spec) {
1586	my ($k, $v) = split /\s+/, $_, 2;	1959	my ($k, $v) = split /\s+/, $_, 2;
1587		1960
…		…
1591	$rmp	1964	$rmp
1592	}	1965	}
1593		1966
1594	sub prepare_random_map {	1967	sub prepare_random_map {
1595	my ($exit) = @_;	1968	my ($exit) = @_;
		1969
		1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1596		1971
1597	# all this does is basically replace the /! path by	1972	# all this does is basically replace the /! path by
1598	# a new random map path (?random/...) with a seed	1973	# a new random map path (?random/...) with a seed
1599	# that depends on the exit object	1974	# that depends on the exit object
1600		1975
1601	my $rmp = parse_random_map_params $exit->msg;	1976	my $rmp = parse_random_map_params $exit->msg;
1602		1977
1603	if ($exit->map) {	1978	if ($exit->map) {
1604	$rmp->{region} = $exit->map->region_name;	1979	$rmp->{region} = $exit->region->name;
1605	$rmp->{origin_map} = $exit->map->path;	1980	$rmp->{origin_map} = $exit->map->path;
1606	$rmp->{origin_x} = $exit->x;	1981	$rmp->{origin_x} = $exit->x;
1607	$rmp->{origin_y} = $exit->y;	1982	$rmp->{origin_y} = $exit->y;
1608	}	1983	}
1609		1984
1610	$rmp->{random_seed} ||= $exit->random_seed;	1985	$rmp->{random_seed} ||= $exit->random_seed;
1611		1986
1612	my $data = cf::to_json $rmp;	1987	my $data = cf::to_json $rmp;
1613	my $md5 = Digest::MD5::md5_hex $data;	1988	my $md5 = Digest::MD5::md5_hex $data;
		1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1614		1990
1615	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1616	aio_write $fh, 0, (length $data), $data, 0;	1992	aio_write $fh, 0, (length $data), $data, 0;
		1993	undef $fh;
		1994	aio_rename "$meta~", $meta;
1617		1995
1618	$exit->slaying ("?random/$md5");	1996	$exit->slaying ("?random/$md5");
1619	$exit->msg (undef);	1997	$exit->msg (undef);
1620	}	1998	}
1621	}	1999	}
…		…
1623	sub cf::object::player::enter_exit {	2001	sub cf::object::player::enter_exit {
1624	my ($self, $exit) = @_;	2002	my ($self, $exit) = @_;
1625		2003
1626	return unless $self->type == cf::PLAYER;	2004	return unless $self->type == cf::PLAYER;
1627		2005
		2006	if ($exit->slaying eq "/!") {
		2007	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2008	# the problem is that $exit might not survive long enough
		2009	# so it needs to be done right now, right here
		2010	cf::sync_job { prepare_random_map $exit };
		2011	}
		2012
		2013	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2014	my $hp = $exit->stats->hp;
		2015	my $sp = $exit->stats->sp;
		2016
1628	$self->enter_link;	2017	$self->enter_link;
1629		2018
1630	(Coro::async {	2019	(async {
		2020	$self->deactivate_recursive; # just to be sure
1631	unless (eval {	2021	unless (eval {
1632		2022	$self->goto ($slaying, $hp, $sp);
1633	prepare_random_map $exit
1634	if $exit->slaying eq "/!";
1635
1636	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1637	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1638		2023
1639	1;	2024	1;
1640	}) {	2025	}) {
1641	$self->message ("Something went wrong deep within the crossfire server. "	2026	$self->message ("Something went wrong deep within the crossfire server. "
1642	. "I'll try to bring you back to the map you were before. "	2027	. "I'll try to bring you back to the map you were before. "
1643	. "Please report this to the dungeon master",	2028	. "Please report this to the dungeon master!",
1644	cf::NDI_UNIQUE | cf::NDI_RED);	2029	cf::NDI_UNIQUE | cf::NDI_RED);
1645		2030
1646	warn "ERROR in enter_exit: $@";	2031	warn "ERROR in enter_exit: $@";
1647	$self->leave_link;	2032	$self->leave_link;
1648	}	2033	}
1649	})->prio (1);	2034	})->prio (1);
…		…
1662		2047
1663	sub cf::client::send_drawinfo {	2048	sub cf::client::send_drawinfo {
1664	my ($self, $text, $flags) = @_;	2049	my ($self, $text, $flags) = @_;
1665		2050
1666	utf8::encode $text;	2051	utf8::encode $text;
1667	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1668	}	2053	}
1669		2054
		2055	=item $client->ext_event ($type, %msg)
		2056
		2057	Sends an exti event to the client.
		2058
		2059	=cut
		2060
		2061	sub cf::client::ext_event($$%) {
		2062	my ($self, $type, %msg) = @_;
		2063
		2064	$msg{msgtype} = "event_$type";
		2065	$self->send_packet ("ext " . cf::to_json \%msg);
		2066	}
1670		2067
1671	=item $success = $client->query ($flags, "text", \&cb)	2068	=item $success = $client->query ($flags, "text", \&cb)
1672		2069
1673	Queues a query to the client, calling the given callback with	2070	Queues a query to the client, calling the given callback with
1674	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2071	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1699	on_reply => sub {	2096	on_reply => sub {
1700	my ($ns, $msg) = @_;	2097	my ($ns, $msg) = @_;
1701		2098
1702	# this weird shuffling is so that direct followup queries	2099	# this weird shuffling is so that direct followup queries
1703	# get handled first	2100	# get handled first
1704	my $queue = delete $ns->{query_queue};	2101	my $queue = delete $ns->{query_queue}
		2102	or return; # be conservative, not sure how that can happen, but we saw a crash here
1705		2103
1706	(shift @$queue)->[1]->($msg);	2104	(shift @$queue)->[1]->($msg);
		2105	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1707		2106
1708	push @{ $ns->{query_queue} }, @$queue;	2107	push @{ $ns->{query_queue} }, @$queue;
1709		2108
1710	if (@{ $ns->{query_queue} } == @$queue) {	2109	if (@{ $ns->{query_queue} } == @$queue) {
1711	if (@$queue) {	2110	if (@$queue) {
…		…
1715	}	2114	}
1716	}	2115	}
1717	},	2116	},
1718	);	2117	);
1719		2118
1720	=item $client->coro (\&cb)	2119	=item $client->async (\&cb)
1721		2120
1722	Create a new coroutine, running the specified callback. The coroutine will	2121	Create a new coroutine, running the specified callback. The coroutine will
1723	be automatically cancelled when the client gets destroyed (e.g. on logout,	2122	be automatically cancelled when the client gets destroyed (e.g. on logout,
1724	or loss of connection).	2123	or loss of connection).
1725		2124
1726	=cut	2125	=cut
1727		2126
1728	sub cf::client::coro {	2127	sub cf::client::async {
1729	my ($self, $cb) = @_;	2128	my ($self, $cb) = @_;
1730		2129
1731	my $coro; $coro = async {	2130	my $coro = &Coro::async ($cb);
1732	eval {
1733	$cb->();
1734	};
1735	warn $@ if $@;
1736	};
1737		2131
1738	$coro->on_destroy (sub {	2132	$coro->on_destroy (sub {
1739	delete $self->{_coro}{$coro+0};	2133	delete $self->{_coro}{$coro+0};
1740	});	2134	});
1741		2135
…		…
1774		2168
1775	# here we export the classes and methods available to script code	2169	# here we export the classes and methods available to script code
1776		2170
1777	=pod	2171	=pod
1778		2172
1779	The following fucntions and emthods are available within a safe environment:	2173	The following functions and methods are available within a safe environment:
1780		2174
1781	cf::object contr pay_amount pay_player map	2175	cf::object contr pay_amount pay_player map
1782	cf::object::player player	2176	cf::object::player player
1783	cf::player peaceful	2177	cf::player peaceful
1784	cf::map trigger	2178	cf::map trigger
…		…
1877	The parameter C<$family> should best start with the name of the extension	2271	The parameter C<$family> should best start with the name of the extension
1878	using it, it should be unique.	2272	using it, it should be unique.
1879		2273
1880	=over 4	2274	=over 4
1881		2275
1882	=item $hashref = cf::db_get $family
1883
1884	Return a hashref for use by the extension C<$family>, which can be
1885	modified. After modifications, you have to call C<cf::db_dirty> or
1886	C<cf::db_sync>.
1887
1888	=item $value = cf::db_get $family => $key	2276	=item $value = cf::db_get $family => $key
1889		2277
1890	Returns a single value from the database	2278	Returns a single value from the database.
1891
1892	=item cf::db_put $family => $hashref
1893
1894	Stores the given family hashref into the database. Updates are delayed, if
1895	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1896		2279
1897	=item cf::db_put $family => $key => $value	2280	=item cf::db_put $family => $key => $value
1898		2281
1899	Stores the given C<$value> in the family hash. Updates are delayed, if you	2282	Stores the given C<$value> in the family.
1900	want the data to be synced to disk immediately, use C<cf::db_sync>.
1901
1902	=item cf::db_dirty
1903
1904	Marks the database as dirty, to be updated at a later time.
1905
1906	=item cf::db_sync
1907
1908	Immediately write the database to disk I<if it is dirty>.
1909		2283
1910	=cut	2284	=cut
1911		2285
1912	our $DB;	2286	our $DB;
1913		2287
1914	{	2288	sub db_init {
		2289	unless ($DB) {
		2290	$DB = BDB::db_create $DB_ENV;
		2291
		2292	cf::sync_job {
		2293	eval {
		2294	$DB->set_flags (BDB::CHKSUM);
		2295
		2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2298	cf::cleanup "db_open(db): $!" if $!;
		2299	};
		2300	cf::cleanup "db_open(db): $@" if $@;
		2301	};
		2302
1915	my $path = cf::localdir . "/database.pst";	2303	my $path = cf::localdir . "/database.pst";
		2304	if (stat $path) {
		2305	cf::sync_job {
		2306	my $pst = Storable::retrieve $path;
1916		2307
1917	sub db_load() {	2308	cf::db_put (board => data => $pst->{board});
1918	$DB = stat $path ? Storable::retrieve $path : { };	2309	cf::db_put (guildrules => data => $pst->{guildrules});
1919	}	2310	cf::db_put (rent => balance => $pst->{rent}{balance});
		2311	BDB::db_env_txn_checkpoint $DB_ENV;
1920		2312
1921	my $pid;	2313	unlink $path;
1922
1923	sub db_save() {
1924	waitpid $pid, 0 if $pid;
1925	if (0 == ($pid = fork)) {
1926	$DB->{_meta}{version} = 1;
1927	Storable::nstore $DB, "$path~";
1928	rename "$path~", $path;
1929	cf::_exit 0 if defined $pid;
1930	}	2314	};
1931	}
1932
1933	my $dirty;
1934
1935	sub db_sync() {
1936	db_save if $dirty;
1937	undef $dirty;
1938	}
1939
1940	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1941	db_sync;
1942	});
1943
1944	sub db_dirty() {
1945	$dirty = 1;
1946	$idle->start;
1947	}
1948
1949	sub db_get($;$) {
1950	@_ >= 2
1951	? $DB->{$_[0]}{$_[1]}
1952	: ($DB->{$_[0]} ||= { })
1953	}
1954
1955	sub db_put($$;$) {
1956	if (@_ >= 3) {
1957	$DB->{$_[0]}{$_[1]} = $_[2];
1958	} else {
1959	$DB->{$_[0]} = $_[1];
1960	}
1961	db_dirty;
1962	}
1963
1964	cf::global->attach (
1965	prio => 10000,
1966	on_cleanup => sub {
1967	db_sync;
1968	},	2315	}
1969	);	2316	}
		2317	}
		2318
		2319	sub db_get($$) {
		2320	my $key = "$_[0]/$_[1]";
		2321
		2322	cf::sync_job {
		2323	BDB::db_get $DB, undef, $key, my $data;
		2324
		2325	$! ? ()
		2326	: Compress::LZF::sthaw $data
		2327	}
		2328	}
		2329
		2330	sub db_put($$$) {
		2331	BDB::dbreq_pri 4;
		2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1970	}	2333	}
1971		2334
1972	#############################################################################	2335	#############################################################################
1973	# the server's main()	2336	# the server's init and main functions
		2337
		2338	sub load_facedata {
		2339	my $path = sprintf "%s/facedata", cf::datadir;
		2340
		2341	warn "loading facedata from $path\n";
		2342
		2343	my $facedata;
		2344	0 < aio_load $path, $facedata
		2345	or die "$path: $!";
		2346
		2347	$facedata = Coro::Storable::thaw $facedata;
		2348
		2349	$facedata->{version} == 2
		2350	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2351
		2352	{
		2353	my $faces = $facedata->{faceinfo};
		2354
		2355	while (my ($face, $info) = each %$faces) {
		2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2360	Coro::cede;
		2361	}
		2362
		2363	while (my ($face, $info) = each %$faces) {
		2364	next unless $info->{smooth};
		2365	my $idx = cf::face::find $face
		2366	or next;
		2367	if (my $smooth = cf::face::find $info->{smooth}) {
		2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2369	} else {
		2370	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2371	}
		2372	Coro::cede;
		2373	}
		2374	}
		2375
		2376	{
		2377	my $anims = $facedata->{animinfo};
		2378
		2379	while (my ($anim, $info) = each %$anims) {
		2380	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2381	Coro::cede;
		2382	}
		2383
		2384	cf::anim::invalidate_all; # d'oh
		2385	}
		2386
		2387	1
		2388	}
		2389
		2390	sub reload_resources {
		2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2392	or die "unable to load regions file\n";#d#
		2393	load_facedata
		2394	or die "unable to load facedata\n";#d#
		2395	}
		2396
		2397	sub init {
		2398	reload_resources;
		2399	}
1974		2400
1975	sub cfg_load {	2401	sub cfg_load {
1976	open my $fh, "<:utf8", cf::confdir . "/config"	2402	open my $fh, "<:utf8", cf::confdir . "/config"
1977	or return;	2403	or return;
1978		2404
1979	local $/;	2405	local $/;
1980	*CFG = YAML::Syck::Load <$fh>;	2406	*CFG = YAML::Syck::Load <$fh>;
		2407
		2408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2409
		2410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2412
		2413	if (exists $CFG{mlockall}) {
		2414	eval {
		2415	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2416	and die "WARNING: m(un)lockall failed: $!\n";
		2417	};
		2418	warn $@ if $@;
		2419	}
1981	}	2420	}
1982		2421
1983	sub main {	2422	sub main {
1984	# we must not ever block the main coroutine	2423	# we must not ever block the main coroutine
1985	local $Coro::idle = sub {	2424	local $Coro::idle = sub {
1986	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1987	(Coro::unblock_sub {	2426	(async {
1988	Event::one_event;	2427	Event::one_event;
1989	})->();	2428	})->prio (Coro::PRIO_MAX);
1990	};	2429	};
1991		2430
1992	cfg_load;	2431	cfg_load;
1993	db_load;	2432	db_init;
1994	load_extensions;	2433	load_extensions;
		2434
		2435	$TICK_WATCHER->start;
1995	Event::loop;	2436	Event::loop;
1996	}	2437	}
1997		2438
1998	#############################################################################	2439	#############################################################################
1999	# initialisation	2440	# initialisation and cleanup
		2441
		2442	# install some emergency cleanup handlers
		2443	BEGIN {
		2444	for my $signal (qw(INT HUP TERM)) {
		2445	Event->signal (
		2446	reentrant => 0,
		2447	data => WF_AUTOCANCEL,
		2448	signal => $signal,
		2449	prio => 0,
		2450	cb => sub {
		2451	cf::cleanup "SIG$signal";
		2452	},
		2453	);
		2454	}
		2455	}
		2456
		2457	sub emergency_save() {
		2458	my $freeze_guard = cf::freeze_mainloop;
		2459
		2460	warn "enter emergency perl save\n";
		2461
		2462	cf::sync_job {
		2463	# use a peculiar iteration method to avoid tripping on perl
		2464	# refcount bugs in for. also avoids problems with players
		2465	# and maps saved/destroyed asynchronously.
		2466	warn "begin emergency player save\n";
		2467	for my $login (keys %cf::PLAYER) {
		2468	my $pl = $cf::PLAYER{$login} or next;
		2469	$pl->valid or next;
		2470	$pl->save;
		2471	}
		2472	warn "end emergency player save\n";
		2473
		2474	warn "begin emergency map save\n";
		2475	for my $path (keys %cf::MAP) {
		2476	my $map = $cf::MAP{$path} or next;
		2477	$map->valid or next;
		2478	$map->save;
		2479	}
		2480	warn "end emergency map save\n";
		2481
		2482	warn "begin emergency database checkpoint\n";
		2483	BDB::db_env_txn_checkpoint $DB_ENV;
		2484	warn "end emergency database checkpoint\n";
		2485	};
		2486
		2487	warn "leave emergency perl save\n";
		2488	}
		2489
		2490	sub post_cleanup {
		2491	my ($make_core) = @_;
		2492
		2493	warn Carp::longmess "post_cleanup backtrace"
		2494	if $make_core;
		2495	}
2000		2496
2001	sub reload() {	2497	sub reload() {
2002	# can/must only be called in main	2498	# can/must only be called in main
2003	if ($Coro::current != $Coro::main) {	2499	if ($Coro::current != $Coro::main) {
2004	warn "can only reload from main coroutine\n";	2500	warn "can only reload from main coroutine";
2005	return;	2501	return;
2006	}	2502	}
2007		2503
2008	warn "reloading...";	2504	warn "reloading...";
2009		2505
2010	local $FREEZE = 1;	2506	warn "entering sync_job";
		2507
		2508	cf::sync_job {
		2509	cf::write_runtime; # external watchdog should not bark
2011	cf::emergency_save;	2510	cf::emergency_save;
		2511	cf::write_runtime; # external watchdog should not bark
2012		2512
2013	eval {	2513	warn "syncing database to disk";
		2514	BDB::db_env_txn_checkpoint $DB_ENV;
		2515
2014	# if anything goes wrong in here, we should simply crash as we already saved	2516	# if anything goes wrong in here, we should simply crash as we already saved
2015		2517
2016	# cancel all watchers	2518	warn "cancelling all WF_AUTOCANCEL watchers";
2017	for (Event::all_watchers) {	2519	for (Event::all_watchers) {
2018	$_->cancel if $_->data & WF_AUTOCANCEL;	2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2019	}	2521	}
2020		2522
		2523	warn "flushing outstanding aio requests";
		2524	for (;;) {
		2525	BDB::flush;
		2526	IO::AIO::flush;
		2527	Coro::cede;
		2528	last unless IO::AIO::nreqs || BDB::nreqs;
		2529	warn "iterate...";
		2530	}
		2531
		2532	++$RELOAD;
		2533
2021	# cancel all extension coros	2534	warn "cancelling all extension coros";
2022	$_->cancel for values %EXT_CORO;	2535	$_->cancel for values %EXT_CORO;
2023	%EXT_CORO = ();	2536	%EXT_CORO = ();
2024		2537
2025	# unload all extensions	2538	warn "removing commands";
2026	for (@exts) {	2539	%COMMAND = ();
		2540
		2541	warn "removing ext commands";
		2542	%EXTCMD = ();
		2543
		2544	warn "unloading/nuking all extensions";
		2545	for my $pkg (@EXTS) {
2027	warn "unloading <$_>";	2546	warn "... unloading $pkg";
2028	unload_extension $_;	2547
		2548	if (my $cb = $pkg->can ("unload")) {
		2549	eval {
		2550	$cb->($pkg);
		2551	1
		2552	} or warn "$pkg unloaded, but with errors: $@";
2029	}	2553	}
2030		2554
		2555	warn "... nuking $pkg";
		2556	Symbol::delete_package $pkg;
		2557	}
		2558
2031	# unload all modules loaded from $LIBDIR	2559	warn "unloading all perl modules loaded from $LIBDIR";
2032	while (my ($k, $v) = each %INC) {	2560	while (my ($k, $v) = each %INC) {
2033	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2034		2562
2035	warn "removing <$k>";	2563	warn "... unloading $k";
2036	delete $INC{$k};	2564	delete $INC{$k};
2037		2565
2038	$k =~ s/\.pm$//;	2566	$k =~ s/\.pm$//;
2039	$k =~ s/\//::/g;	2567	$k =~ s/\//::/g;
2040		2568
…		…
2043	}	2571	}
2044		2572
2045	Symbol::delete_package $k;	2573	Symbol::delete_package $k;
2046	}	2574	}
2047		2575
2048	# sync database to disk
2049	cf::db_sync;
2050	IO::AIO::flush;
2051
2052	# get rid of safe::, as good as possible	2576	warn "getting rid of safe::, as good as possible";
2053	Symbol::delete_package "safe::$_"	2577	Symbol::delete_package "safe::$_"
2054	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2578	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2055		2579
2056	# remove register_script_function callbacks
2057	# TODO
2058
2059	# unload cf.pm "a bit"	2580	warn "unloading cf.pm \"a bit\"";
2060	delete $INC{"cf.pm"};	2581	delete $INC{"cf.pm"};
2061		2582
2062	# don't, removes xs symbols, too,	2583	# don't, removes xs symbols, too,
2063	# and global variables created in xs	2584	# and global variables created in xs
2064	#Symbol::delete_package __PACKAGE__;	2585	#Symbol::delete_package __PACKAGE__;
2065		2586
2066	# reload cf.pm	2587	warn "unload completed, starting to reload now";
		2588
2067	warn "reloading cf.pm";	2589	warn "reloading cf.pm";
2068	require cf;	2590	require cf;
2069	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2070		2592
2071	# load config and database again	2593	warn "loading config and database again";
2072	cf::cfg_load;	2594	cf::cfg_load;
2073	cf::db_load;
2074		2595
2075	# load extensions
2076	warn "load extensions";	2596	warn "loading extensions";
2077	cf::load_extensions;	2597	cf::load_extensions;
2078		2598
2079	# reattach attachments to objects	2599	warn "reattaching attachments to objects/players";
2080	warn "reattach";	2600	_global_reattach; # objects, sockets
2081	_global_reattach;	2601	warn "reattaching attachments to maps";
2082	};	2602	reattach $_ for values %MAP;
		2603	warn "reattaching attachments to players";
		2604	reattach $_ for values %PLAYER;
2083		2605
2084	if ($@) {	2606	warn "loading reloadable resources";
		2607	reload_resources;
		2608
		2609	warn "leaving sync_job";
		2610
		2611	1
		2612	} or do {
2085	warn $@;	2613	warn $@;
2086	warn "error while reloading, exiting.";	2614	warn "error while reloading, exiting.";
2087	exit 1;	2615	exit 1;
2088	}	2616	};
2089		2617
2090	warn "reloaded successfully";	2618	warn "reloaded";
2091	};	2619	};
2092		2620
2093	#############################################################################	2621	our $RELOAD_WATCHER; # used only during reload
2094
2095	unless ($LINK_MAP) {
2096	$LINK_MAP = cf::map::new;
2097
2098	$LINK_MAP->width (41);
2099	$LINK_MAP->height (41);
2100	$LINK_MAP->alloc;
2101	$LINK_MAP->path ("{link}");
2102	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2103	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2104
2105	# dirty hack because... archetypes are not yet loaded
2106	Event->timer (
2107	after => 2,
2108	cb => sub {
2109	$_[0]->w->cancel;
2110
2111	# provide some exits "home"
2112	my $exit = cf::object::new "exit";
2113
2114	$exit->slaying ($EMERGENCY_POSITION->[0]);
2115	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2116	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2117
2118	$LINK_MAP->insert ($exit->clone, 19, 19);
2119	$LINK_MAP->insert ($exit->clone, 19, 20);
2120	$LINK_MAP->insert ($exit->clone, 19, 21);
2121	$LINK_MAP->insert ($exit->clone, 20, 19);
2122	$LINK_MAP->insert ($exit->clone, 20, 21);
2123	$LINK_MAP->insert ($exit->clone, 21, 19);
2124	$LINK_MAP->insert ($exit->clone, 21, 20);
2125	$LINK_MAP->insert ($exit->clone, 21, 21);
2126
2127	$exit->destroy;
2128	});
2129
2130	$LINK_MAP->{deny_save} = 1;
2131	$LINK_MAP->{deny_reset} = 1;
2132
2133	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2134	}
2135
2136	register "<global>", __PACKAGE__;
2137		2622
2138	register_command "reload" => sub {	2623	register_command "reload" => sub {
2139	my ($who, $arg) = @_;	2624	my ($who, $arg) = @_;
2140		2625
2141	if ($who->flag (FLAG_WIZ)) {	2626	if ($who->flag (FLAG_WIZ)) {
2142	$who->message ("start of reload.");	2627	$who->message ("reloading server.");
		2628
		2629	# doing reload synchronously and two reloads happen back-to-back,
		2630	# coro crashes during coro_state_free->destroy here.
		2631
		2632	$RELOAD_WATCHER ||= Event->timer (
		2633	reentrant => 0,
		2634	after => 0,
		2635	data => WF_AUTOCANCEL,
		2636	cb => sub {
2143	reload;	2637	reload;
2144	$who->message ("end of reload.");	2638	undef $RELOAD_WATCHER;
		2639	},
		2640	);
2145	}	2641	}
2146	};	2642	};
2147		2643
2148	unshift @INC, $LIBDIR;	2644	unshift @INC, $LIBDIR;
		2645
		2646	my $bug_warning = 0;
2149		2647
2150	$TICK_WATCHER = Event->timer (	2648	$TICK_WATCHER = Event->timer (
2151	reentrant => 0,	2649	reentrant => 0,
		2650	parked => 1,
2152	prio => 0,	2651	prio => 0,
2153	at => $NEXT_TICK || $TICK,	2652	at => $NEXT_TICK || $TICK,
2154	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2155	cb => sub {	2654	cb => sub {
2156	unless ($FREEZE) {	2655	if ($Coro::current != $Coro::main) {
		2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2657	unless ++$bug_warning > 10;
		2658	return;
		2659	}
		2660
		2661	$NOW = Event::time;
		2662
2157	cf::server_tick; # one server iteration	2663	cf::server_tick; # one server iteration
2158	$RUNTIME += $TICK;	2664	$RUNTIME += $TICK;
2159	}
2160
2161	$NEXT_TICK += $TICK;	2665	$NEXT_TICK += $TICK;
		2666
		2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2668	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2669	Coro::async_pool {
		2670	write_runtime
		2671	or warn "ERROR: unable to write runtime file: $!";
		2672	};
		2673	}
		2674
		2675	$WAIT_FOR_TICK->broadcast;
		2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2677
		2678	# my $AFTER = Event::time;
		2679	# warn $AFTER - $NOW;#d#
2162		2680
2163	# if we are delayed by four ticks or more, skip them all	2681	# if we are delayed by four ticks or more, skip them all
2164	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2165		2683
2166	$TICK_WATCHER->at ($NEXT_TICK);	2684	$TICK_WATCHER->at ($NEXT_TICK);
2167	$TICK_WATCHER->start;	2685	$TICK_WATCHER->start;
2168	},	2686	},
2169	);	2687	);
2170		2688
		2689	{
2171	IO::AIO::max_poll_time $TICK * 0.2;	2690	BDB::max_poll_time $TICK * 0.1;
2172		2691	$BDB_POLL_WATCHER = Event->io (
2173	Event->io (	2692	reentrant => 0,
2174	fd => IO::AIO::poll_fileno,	2693	fd => BDB::poll_fileno,
2175	poll => 'r',	2694	poll => 'r',
2176	prio => 5,	2695	prio => 0,
2177	data => WF_AUTOCANCEL,
2178	cb => \&IO::AIO::poll_cb,
2179	);
2180
2181	Event->timer (
2182	data => WF_AUTOCANCEL,	2696	data => WF_AUTOCANCEL,
2183	after => 0,	2697	cb => \&BDB::poll_cb,
2184	interval => 10,	2698	);
2185	cb => sub {	2699	BDB::min_parallel 8;
2186	(Coro::unblock_sub {	2700
2187	write_runtime	2701	BDB::set_sync_prepare {
2188	or warn "ERROR: unable to write runtime file: $!";	2702	my $status;
		2703	my $current = $Coro::current;
		2704	(
		2705	sub {
		2706	$status = $!;
		2707	$current->ready; undef $current;
		2708	},
		2709	sub {
		2710	Coro::schedule while defined $current;
		2711	$! = $status;
		2712	},
		2713	)
		2714	};
		2715
		2716	unless ($DB_ENV) {
		2717	$DB_ENV = BDB::db_env_create;
		2718
		2719	cf::sync_job {
		2720	eval {
		2721	BDB::db_env_open
		2722	$DB_ENV,
		2723	$BDB_ENV_DIR,
		2724	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2726	0666;
		2727
		2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2729
		2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2731	$DB_ENV->set_lk_detect;
		2732	};
		2733
		2734	cf::cleanup "db_env_open(db): $@" if $@;
2189	})->();	2735	};
2190	},	2736	}
2191	);	2737	}
		2738
		2739	{
		2740	IO::AIO::min_parallel 8;
		2741
		2742	undef $Coro::AIO::WATCHER;
		2743	IO::AIO::max_poll_time $TICK * 0.1;
		2744	$AIO_POLL_WATCHER = Event->io (
		2745	reentrant => 0,
		2746	data => WF_AUTOCANCEL,
		2747	fd => IO::AIO::poll_fileno,
		2748	poll => 'r',
		2749	prio => 6,
		2750	cb => \&IO::AIO::poll_cb,
		2751	);
		2752	}
		2753
		2754	END { cf::emergency_save }
2192		2755
2193	1	2756	1
2194		2757

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