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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.131 by root, Thu Jan 4 00:53:54 2007 UTC vs.
Revision 1.237 by root, Fri Apr 13 05:08:51 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
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	104	our $EMERGENCY_POSITION;
		105
		106	sub cf::map::normalise;
77		107
78	#############################################################################	108	#############################################################################
79		109
80	=head2 GLOBAL VARIABLES	110	=head2 GLOBAL VARIABLES
81		111
…		…
105		135
106	=item %cf::CFG	136	=item %cf::CFG
107		137
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	138	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		147
111	=back	148	=back
112		149
113	=cut	150	=cut
114		151
…		…
118	utf8::encode $msg;	155	utf8::encode $msg;
119		156
120	$msg .= "\n"	157	$msg .= "\n"
121	unless $msg =~ /\n$/;	158	unless $msg =~ /\n$/;
122		159
123	LOG llevError, "cfperl: $msg";	160	LOG llevError, $msg;
124	};	161	};
125	}	162	}
126		163
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		183
147	$Event::DIED = sub {	184	$Event::DIED = sub {
148	warn "error in event callback: @_";	185	warn "error in event callback: @_";
149	};	186	};
150		187
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
156		189
157	=over 4	190	=over 4
158		191
159	=cut	192	=item dumpval $ref
160		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
161	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
162		216
163	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
164		218
165	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
166		220
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
175		222
176	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
177		224
178	=cut
179
180	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]
183	}
184
185	=item my $guard = cf::guard { BLOCK }
186
187	Run the given callback when the guard object gets destroyed (useful for
188	coroutine cancellations).
189
190	You can call C<< ->cancel >> on the guard object to stop the block from
191	being executed.
192
193	=cut
194
195	sub guard(&) {
196	bless \(my $cb = $_[0]), cf::guard::;
197	}
198
199	sub cf::guard::cancel {
200	${$_[0]} = sub { };
201	}
202
203	sub cf::guard::DESTROY {
204	${$_[0]}->();
205	}
206
207	=item cf::lock_wait $string	225	=item cf::lock_wait $string
208		226
209	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
210		228
211	=item my $lock = cf::lock_acquire $string	229	=item my $lock = cf::lock_acquire $string
212		230
213	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
214	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,
215	for example when the coroutine gets canceled), the lock is automatically	233	for example when the coroutine gets canceled), the lock is automatically
216	returned.	234	returned.
217		235
218	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
219	uses map_find and load_map uses map_load).	237	uses map_find and cf::map::load uses map_load).
220		238
221	=cut	239	=cut
222		240
223	our %LOCK;	241	our %LOCK;
224		242
…		…
238	# wait, to be sure we are not locked	256	# wait, to be sure we are not locked
239	lock_wait $key;	257	lock_wait $key;
240		258
241	$LOCK{$key} = [];	259	$LOCK{$key} = [];
242		260
243	cf::guard {	261	Coro::guard {
244	# wake up all waiters, to be on the safe side	262	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	263	$_->ready for @{ delete $LOCK{$key} };
246	}	264	}
247	}	265	}
248		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	$guard
		275	}
		276
249	=item cf::async { BLOCK }	277	=item cf::async { BLOCK }
250		278
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	279	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		281	thing you are allowed to do is call C<prio> on it.
253		282
254	=cut	283	=cut
255		284
256	sub async(&) {	285	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		286
265	=item cf::sync_job { BLOCK }	287	=item cf::sync_job { BLOCK }
266		288
267	The design of crossfire+ requires that the main coro ($Coro::main) is	289	The design of crossfire+ requires that the main coro ($Coro::main) is
268	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
…		…
282	# this is the main coro, too bad, we have to block	304	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	305	# till the operation succeeds, freezing the server :/
284		306
285	# TODO: use suspend/resume instead	307	# TODO: use suspend/resume instead
286	# (but this is cancel-safe)	308	# (but this is cancel-safe)
287	local $FREEZE = 1;	309	my $freeze_guard = freeze_mainloop;
288		310
289	my $busy = 1;	311	my $busy = 1;
290	my @res;	312	my @res;
291		313
292	(Coro::async {	314	(async {
293	@res = eval { $job->() };	315	@res = eval { $job->() };
294	warn $@ if $@;	316	warn $@ if $@;
295	undef $busy;	317	undef $busy;
296	})->prio (Coro::PRIO_MAX);	318	})->prio (Coro::PRIO_MAX);
297		319
298	while ($busy) {	320	while ($busy) {
299	Coro::cede_notself;	321	Coro::cede or Event::one_event;
300	Event::one_event unless Coro::nready;
301	}	322	}
302		323
303	wantarray ? @res : $res[0]	324	wantarray ? @res : $res[0]
304	} else {	325	} else {
305	# we are in another coroutine, how wonderful, everything just works	326	# we are in another coroutine, how wonderful, everything just works
306		327
307	$job->()	328	$job->()
308	}	329	}
309	}	330	}
310		331
311	=item $coro = cf::coro { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
312		333
313	Creates and returns a new coro. This coro is automcatially being canceled	334	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	335	extension calling this is being unloaded.
315		336
316	=cut	337	=cut
317		338
318	sub coro(&) {	339	sub async_ext(&) {
319	my $cb = shift;	340	my $cb = shift;
320		341
321	my $coro = &cf::async ($cb);	342	my $coro = &Coro::async ($cb);
322		343
323	$coro->on_destroy (sub {	344	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	345	delete $EXT_CORO{$coro+0};
325	});	346	});
326	$EXT_CORO{$coro+0} = $coro;	347	$EXT_CORO{$coro+0} = $coro;
327		348
328	$coro	349	$coro
329	}	350	}
330		351
331	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
332	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
333		356
334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
335	or return;	358	or return;
336		359
		360	my $value = $cf::RUNTIME + 90 + 10;
337	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
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;	365	and return;
340		366
		367	# always fsync - this file is important
341	aio_fsync $fh	368	aio_fsync $fh
342	and return;	369	and return;
343		370
344	close $fh	371	close $fh
345	or return;	372	or return;
…		…
348	and return;	375	and return;
349		376
350	1	377	1
351	}	378	}
352		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
353	=back	391	=back
354		392
355	=cut	393	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($class, $path, $base) = @_;
363
364	$path = $path->as_string if ref $path;
365
366	my $self = bless { }, $class;
367
368	# {... are special paths that are not touched
369	# ?xxx/... are special absolute paths
370	# ?random/... random maps
371	# /! non-realised random map exit
372	# /... normal maps
373	# ~/... per-player maps without a specific player (DO NOT USE)
374	# ~user/... per-player map of a specific user
375
376	if ($path =~ /^{/) {
377	# fine as it is
378	} elsif ($path =~ s{^\?random/}{}) {
379	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
380	$self->{random} = cf::from_json $data;
381	} else {
382	if ($path =~ s{^~([^/]+)?}{}) {
383	$self->{user_rel} = 1;
384
385	if (defined $1) {
386	$self->{user} = $1;
387	} elsif ($base =~ m{^~([^/]+)/}) {
388	$self->{user} = $1;
389	} else {
390	warn "cannot resolve user-relative path without user <$path,$base>\n";
391	}
392	} elsif ($path =~ /^\//) {
393	# already absolute
394	} else {
395	$base =~ s{[^/]+/?$}{};
396	return $class->new ("$base/$path");
397	}
398
399	for ($path) {
400	redo if s{/\.?/}{/};
401	redo if s{/[^/]+/\.\./}{/};
402	}
403	}
404
405	$self->{path} = $path;
406
407	$self
408	}
409
410	# the name / primary key / in-game path
411	sub as_string {
412	my ($self) = @_;
413
414	$self->{user_rel} ? "~$self->{user}$self->{path}"
415	: $self->{random} ? "?random/$self->{path}"
416	: $self->{path}
417	}
418
419	# the displayed name, this is a one way mapping
420	sub visible_name {
421	my ($self) = @_;
422
423	# if (my $rmp = $self->{random}) {
424	# # todo: be more intelligent about this
425	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
426	# } else {
427	$self->as_string
428	# }
429	}
430
431	# escape the /'s in the path
432	sub _escaped_path {
433	# ∕ is U+2215
434	(my $path = $_[0]{path}) =~ s/\//∕/g;
435	$path
436	}
437
438	# the original (read-only) location
439	sub load_path {
440	my ($self) = @_;
441
442	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
443	}
444
445	# the temporary/swap location
446	sub save_path {
447	my ($self) = @_;
448
449	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
450	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
451	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
452	}
453
454	# the unique path, might be eq to save_path
455	sub uniq_path {
456	my ($self) = @_;
457
458	$self->{user_rel} || $self->{random}
459	? undef
460	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
461	}
462
463	# return random map parameters, or undef
464	sub random_map_params {
465	my ($self) = @_;
466
467	$self->{random}
468	}
469
470	# this is somewhat ugly, but style maps do need special treatment
471	sub is_style_map {
472	$_[0]{path} =~ m{^/styles/}
473	}
474
475	package cf;
476		394
477	#############################################################################	395	#############################################################################
478		396
479	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
480		398
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	525	our @CB_MAP = ();
608		526
609	my %attachment;	527	my %attachment;
610		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
611	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
613		537
614	use sort 'stable';	538	use sort 'stable';
615		539
…		…
786	# object support	710	# object support
787		711
788	sub reattach {	712	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		717
792	my $registry = $obj->registry;	718	my $registry = $obj->registry;
793		719
794	@$registry = ();	720	@$registry = ();
795		721
…		…
842	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
843		769
844	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
845	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
846	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
847	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
848	close $fh;	774	close $fh;
849		775
850	if (@$objs) {	776	if (@$objs) {
851	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) {
852	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
853	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
854	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
855	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
856	close $fh;	782	close $fh;
857	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
858	}	784	}
859	} else {	785	} else {
860	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
927	=cut	853	=cut
928		854
929	sub register_extcmd {	855	sub register_extcmd {
930	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
931		857
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
936	}	859	}
937		860
938	cf::player->attach (	861	cf::player->attach (
939	on_command => sub {	862	on_command => sub {
940	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
953		876
954	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
955		878
956	if (ref $msg) {	879	if (ref $msg) {
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
959	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
960	}	883	}
961	}	884	}
962	} else {	885	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
965		888
966	cf::override;	889	cf::override;
967	},	890	},
968	);	891	);
969		892
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	893	sub load_extension {
977	my ($path) = @_;	894	my ($path) = @_;
978		895
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
980	my $base = $1;	897	my $base = $1;
981	my $pkg = $1;	898	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
984		901
985	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
986		903
987	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
988	or die "$path: $!";	905	or die "$path: $!";
989		906
990	my $source =	907	my $source =
991	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
994	. "\n};\n1";	911	. "\n};\n1";
995		912
996	eval $source	913	unless (eval $source) {
997	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
998	: "extension disabled.\n";	915	: "extension disabled.\n";
999		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000	push @exts, $pkg;	917	warn $@;
1001	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
1002		919	exit 1;
1003	# no strict 'refs';	920	}
1004	# @{"$pkg\::ISA"} = ext::;	921	die $@;
1005
1006	register $base, $pkg;
1007	}
1008
1009	sub unload_extension {
1010	my ($pkg) = @_;
1011
1012	warn "removing extension $pkg\n";
1013
1014	# remove hooks
1015	#TODO
1016	# for my $idx (0 .. $#PLUGIN_EVENT) {
1017	# delete $hook[$idx]{$pkg};
1018	# }	922	}
1019		923
1020	# remove commands	924	push @EXTS, $pkg;
1021	for my $name (keys %COMMAND) {
1022	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1023
1024	if (@cb) {
1025	$COMMAND{$name} = \@cb;
1026	} else {
1027	delete $COMMAND{$name};
1028	}
1029	}
1030
1031	# remove extcmds
1032	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1033	delete $EXTCMD{$name};
1034	}
1035
1036	if (my $cb = $pkg->can ("unload")) {
1037	eval {
1038	$cb->($pkg);
1039	1
1040	} or warn "$pkg unloaded, but with errors: $@";
1041	}
1042
1043	Symbol::delete_package $pkg;
1044	}	925	}
1045		926
1046	sub load_extensions {	927	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	929	next unless -r $ext;
…		…
1052	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1053	}	934	}
1054	}	935	}
1055		936
1056	#############################################################################	937	#############################################################################
1057	# load/save/clean perl data associated with a map
1058
1059	*cf::mapsupport::on_clean = sub {
1060	my ($map) = @_;
1061
1062	my $path = $map->tmpname;
1063	defined $path or return;
1064
1065	unlink "$path.pst";
1066	};
1067
1068	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1069
1070	#############################################################################
1071	# load/save perl data associated with player->ob objects
1072
1073	sub all_objects(@) {
1074	@_, map all_objects ($_->inv), @_
1075	}
1076
1077	# TODO: compatibility cruft, remove when no longer needed
1078	cf::player->attach (
1079	on_load => sub {
1080	my ($pl, $path) = @_;
1081
1082	for my $o (all_objects $pl->ob) {
1083	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1084	$o->set_ob_key_value ("_perl_data");
1085
1086	%$o = %{ Storable::thaw pack "H*", $value };
1087	}
1088	}
1089	},
1090	);
1091
1092	#############################################################################
1093		938
1094	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1095		940
1096	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1097		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1098	=head3 cf::player	949	=head3 cf::player
1099		950
1100	=over 4	951	=over 4
1101		952
1102	=item cf::player::exists $login	953	=item cf::player::find $login
1103		954
1104	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1105		956
1106	=cut	957	=cut
1107		958
1108	sub cf::player::exists($) {	959	sub playerdir($) {
1109	cf::player::find $_[0]	960	cf::localdir
1110	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])
1111	}	965	}
1112		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
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1114		1139
1115	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1116		1141
1117	=cut	1142	=cut
1118		1143
1119	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1120	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1121		1146
1122	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1123		1148
1124	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
1125	}	1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	package cf;
1126		1165
1127	=back	1166	=back
1128		1167
1129		1168
1130	=head3 cf::map	1169	=head3 cf::map
…		…
1136	package cf::map;	1175	package cf::map;
1137		1176
1138	use Fcntl;	1177	use Fcntl;
1139	use Coro::AIO;	1178	use Coro::AIO;
1140		1179
		1180	use overload
		1181	'""' => \&as_string,
		1182	fallback => 1;
		1183
1141	our $MAX_RESET = 7200;	1184	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1185	our $DEFAULT_RESET = 3000;
1143		1186
1144	sub generate_random_map {	1187	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1188	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1189	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1190	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1194	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1195	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1196	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1197	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1198	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1199	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1200	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(cf::region::find $rmp->{region})	1201	(cf::region::find $rmp->{region}), $rmp->{custom}
		1202	)
		1203	}
		1204
		1205	=item cf::map->register ($regex, $prio)
		1206
		1207	Register a handler for the map path matching the given regex at the
		1208	givne priority (higher is better, built-in handlers have priority 0, the
		1209	default).
		1210
		1211	=cut
		1212
		1213	sub register {
		1214	my (undef, $regex, $prio) = @_;
		1215	my $pkg = caller;
		1216
		1217	no strict;
		1218	push @{"$pkg\::ISA"}, __PACKAGE__;
		1219
		1220	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1221	}
		1222
		1223	# also paths starting with '/'
		1224	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1225
		1226	sub thawer_merge {
		1227	my ($self, $merge) = @_;
		1228
		1229	# we have to keep some variables in memory intact
		1230	local $self->{path};
		1231	local $self->{load_path};
		1232	local $self->{deny_save};
		1233	local $self->{deny_reset};
		1234
		1235	$self->SUPER::thawer_merge ($merge);
		1236	}
		1237
		1238	sub normalise {
		1239	my ($path, $base) = @_;
		1240
		1241	$path = "$path"; # make sure its a string
		1242
		1243	$path =~ s/\.map$//;
		1244
		1245	# map plan:
		1246	#
		1247	# /! non-realised random map exit (special hack!)
		1248	# {... are special paths that are not being touched
		1249	# ?xxx/... are special absolute paths
		1250	# ?random/... random maps
		1251	# /... normal maps
		1252	# ~user/... per-player map of a specific user
		1253
		1254	$path =~ s/$PATH_SEP/\//go;
		1255
		1256	# treat it as relative path if it starts with
		1257	# something that looks reasonable
		1258	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1259	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1260
		1261	$base =~ s{[^/]+/?$}{};
		1262	$path = "$base/$path";
		1263	}
		1264
		1265	for ($path) {
		1266	redo if s{//}{/};
		1267	redo if s{/\.?/}{/};
		1268	redo if s{/[^/]+/\.\./}{/};
		1269	}
		1270
		1271	$path
		1272	}
		1273
		1274	sub new_from_path {
		1275	my (undef, $path, $base) = @_;
		1276
		1277	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1278
		1279	$path = normalise $path, $base;
		1280
		1281	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1282	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1283	my $self = bless cf::map::new, $pkg;
		1284	$self->{path} = $path; $self->path ($path);
		1285	$self->init; # pass $1 etc.
		1286	return $self;
		1287	}
		1288	}
		1289
		1290	Carp::carp "unable to resolve path '$path' (base '$base').";
		1291	()
		1292	}
		1293
		1294	sub init {
		1295	my ($self) = @_;
		1296
		1297	$self
		1298	}
		1299
		1300	sub as_string {
		1301	my ($self) = @_;
		1302
		1303	"$self->{path}"
		1304	}
		1305
		1306	# the displayed name, this is a one way mapping
		1307	sub visible_name {
		1308	&as_string
		1309	}
		1310
		1311	# the original (read-only) location
		1312	sub load_path {
		1313	my ($self) = @_;
		1314
		1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1316	}
		1317
		1318	# the temporary/swap location
		1319	sub save_path {
		1320	my ($self) = @_;
		1321
		1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1324	}
		1325
		1326	# the unique path, undef == no special unique path
		1327	sub uniq_path {
		1328	my ($self) = @_;
		1329
		1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1161	}	1332	}
1162		1333
1163	# and all this just because we cannot iterate over	1334	# and all this just because we cannot iterate over
1164	# all maps in C++...	1335	# all maps in C++...
1165	sub change_all_map_light {	1336	sub change_all_map_light {
…		…
1167		1338
1168	$_->change_map_light ($change)	1339	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1340	for grep $_->outdoor, values %cf::MAP;
1170	}	1341	}
1171		1342
		1343	sub unlink_save {
		1344	my ($self) = @_;
		1345
		1346	utf8::encode (my $save = $self->save_path);
		1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1348	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1349	}
		1350
1172	sub try_load_header($) {	1351	sub load_header_from($) {
1173	my ($path) = @_;	1352	my ($self, $path) = @_;
1174		1353
1175	utf8::encode $path;	1354	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1355	#aio_open $path, O_RDONLY, 0
		1356	# or return;
		1357
		1358	$self->_load_header ($path)
1177	or return;	1359	or return;
1178		1360
1179	my $map = cf::map::new	1361	$self->{load_path} = $path;
		1362
		1363	1
		1364	}
		1365
		1366	sub load_header_orig {
		1367	my ($self) = @_;
		1368
		1369	$self->load_header_from ($self->load_path)
		1370	}
		1371
		1372	sub load_header_temp {
		1373	my ($self) = @_;
		1374
		1375	$self->load_header_from ($self->save_path)
		1376	}
		1377
		1378	sub prepare_temp {
		1379	my ($self) = @_;
		1380
		1381	$self->last_access ((delete $self->{last_access})
		1382	|| $cf::RUNTIME); #d#
		1383	# safety
		1384	$self->{instantiate_time} = $cf::RUNTIME
		1385	if $self->{instantiate_time} > $cf::RUNTIME;
		1386	}
		1387
		1388	sub prepare_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->{load_original} = 1;
		1392	$self->{instantiate_time} = $cf::RUNTIME;
		1393	$self->last_access ($cf::RUNTIME);
		1394	$self->instantiate;
		1395	}
		1396
		1397	sub load_header {
		1398	my ($self) = @_;
		1399
		1400	if ($self->load_header_temp) {
		1401	$self->prepare_temp;
		1402	} else {
		1403	$self->load_header_orig
1180	or return;	1404	or return;
		1405	$self->prepare_orig;
		1406	}
1181		1407
1182	$map->load_header ($path)	1408	1
1183	or return;
1184
1185	$map->{load_path} = $path;
1186
1187	$map
1188	}	1409	}
1189		1410
1190	sub find_map;	1411	sub find;
1191	sub find_map {	1412	sub find {
1192	my ($path, $origin) = @_;	1413	my ($path, $origin) = @_;
1193		1414
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1415	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1416
1199	cf::lock_wait "map_find:$key";	1417	cf::lock_wait "map_find:$path";
1200		1418
1201	$cf::MAP{$key} || do {	1419	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1420	my $guard = cf::lock_acquire "map_find:$path";
1203		1421	my $map = new_from_path cf::map $path
1204	# do it the slow way
1205	my $map = try_load_header $path->save_path;
1206
1207	if ($map) {
1208	# safety
1209	$map->{instantiate_time} = $cf::RUNTIME
1210	if $map->{instantiate_time} > $cf::RUNTIME;
1211	} else {
1212	if (my $rmp = $path->random_map_params) {
1213	$map = generate_random_map $key, $rmp;
1214	} else {
1215	$map = try_load_header $path->load_path;
1216	}
1217
1218	$map or return;	1422	or return;
1219		1423
1220	$map->{load_original} = 1;
1221	$map->{instantiate_time} = $cf::RUNTIME;
1222	$map->instantiate;
1223
1224	# per-player maps become, after loading, normal maps
1225	$map->per_player (0) if $path->{user_rel};
1226	}
1227
1228	$map->path ($key);
1229	$map->{path} = $path;
1230	$map->{last_save} = $cf::RUNTIME;	1424	$map->{last_save} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232		1425
1233	if ($map->should_reset) {	1426	$map->load_header
		1427	or return;
		1428
		1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1430	# doing this can freeze the server in a sync job, obviously
		1431	#$cf::WAIT_FOR_TICK->wait;
1234	$map->reset;	1432	$map->reset;
1235	undef $guard;	1433	undef $guard;
1236	$map = find_map $path	1434	return find $path;
1237	or return;
1238	}	1435	}
1239		1436
1240	$cf::MAP{$key} = $map	1437	$cf::MAP{$path} = $map
1241	}	1438	}
1242	}	1439	}
		1440
		1441	sub pre_load { }
		1442	sub post_load { }
1243		1443
1244	sub load {	1444	sub load {
1245	my ($self) = @_;	1445	my ($self) = @_;
1246		1446
		1447	local $self->{deny_reset} = 1; # loading can take a long time
		1448
1247	my $path = $self->{path};	1449	my $path = $self->{path};
1248	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1450	my $guard = cf::lock_acquire "map_load:$path";
1249		1451
1250	return if $self->in_memory != cf::MAP_SWAPPED;	1452	return if $self->in_memory != cf::MAP_SWAPPED;
1251		1453
1252	$self->in_memory (cf::MAP_LOADING);	1454	$self->in_memory (cf::MAP_LOADING);
1253		1455
1254	$self->alloc;	1456	$self->alloc;
		1457
		1458	$self->pre_load;
		1459
1255	$self->load_objects ($self->{load_path}, 1)	1460	$self->_load_objects ($self->{load_path}, 1)
1256	or return;	1461	or return;
1257		1462
1258	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1259	if delete $self->{load_original};	1464	if delete $self->{load_original};
1260		1465
1261	if (my $uniq = $path->uniq_path) {	1466	if (my $uniq = $self->uniq_path) {
1262	utf8::encode $uniq;	1467	utf8::encode $uniq;
1263	if (aio_open $uniq, O_RDONLY, 0) {	1468	if (aio_open $uniq, O_RDONLY, 0) {
1264	$self->clear_unique_items;	1469	$self->clear_unique_items;
1265	$self->load_objects ($uniq, 0);	1470	$self->_load_objects ($uniq, 0);
1266	}	1471	}
1267	}	1472	}
		1473
		1474	Coro::cede;
1268		1475
1269	# now do the right thing for maps	1476	# now do the right thing for maps
1270	$self->link_multipart_objects;	1477	$self->link_multipart_objects;
1271		1478
1272	if ($self->{path}->is_style_map) {	1479	unless ($self->{deny_activate}) {
1273	$self->{deny_save} = 1;	1480	$self->decay_objects;
1274	$self->{deny_reset} = 1;
1275	} else {
1276	$self->fix_auto_apply;	1481	$self->fix_auto_apply;
1277	$self->decay_objects;
1278	$self->update_buttons;	1482	$self->update_buttons;
		1483	Coro::cede;
1279	$self->set_darkness_map;	1484	$self->set_darkness_map;
1280	$self->difficulty ($self->estimate_difficulty)	1485	$self->difficulty ($self->estimate_difficulty)
1281	unless $self->difficulty;	1486	unless $self->difficulty;
		1487	Coro::cede;
1282	$self->activate;	1488	$self->activate;
1283	}	1489	}
1284		1490
		1491	$self->post_load;
		1492
1285	$self->in_memory (cf::MAP_IN_MEMORY);	1493	$self->in_memory (cf::MAP_IN_MEMORY);
1286	}	1494	}
1287		1495
1288	sub load_map_sync {	1496	sub customise_for {
		1497	my ($self, $ob) = @_;
		1498
		1499	return find "~" . $ob->name . "/" . $self->{path}
		1500	if $self->per_player;
		1501
		1502	$self
		1503	}
		1504
		1505	# find and load all maps in the 3x3 area around a map
		1506	sub load_diag {
		1507	my ($map) = @_;
		1508
		1509	my @diag; # diagonal neighbours
		1510
		1511	for (0 .. 3) {
		1512	my $neigh = $map->tile_path ($_)
		1513	or next;
		1514	$neigh = find $neigh, $map
		1515	or next;
		1516	$neigh->load;
		1517
		1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1520	}
		1521
		1522	for (@diag) {
		1523	my $neigh = find @$_
		1524	or next;
		1525	$neigh->load;
		1526	}
		1527	}
		1528
		1529	sub find_sync {
1289	my ($path, $origin) = @_;	1530	my ($path, $origin) = @_;
1290		1531
1291	#warn "load_map_sync<$path, $origin>\n";#d#	1532	cf::sync_job { find $path, $origin }
		1533	}
1292		1534
1293	cf::sync_job {	1535	sub do_load_sync {
1294	my $map = cf::map::find_map $path, $origin	1536	my ($map) = @_;
1295	or return;	1537
		1538	cf::sync_job { $map->load };
		1539	}
		1540
		1541	our %MAP_PREFETCH;
		1542	our $MAP_PREFETCHER = undef;
		1543
		1544	sub find_async {
		1545	my ($path, $origin) = @_;
		1546
		1547	$path = normalise $path, $origin && $origin->{path};
		1548
		1549	if (my $map = $cf::MAP{$path}) {
		1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1551	}
		1552
		1553	undef $MAP_PREFETCH{$path};
		1554	$MAP_PREFETCHER ||= cf::async {
		1555	while (%MAP_PREFETCH) {
		1556	for my $path (keys %MAP_PREFETCH) {
		1557	my $map = find $path
		1558	or next;
1296	$map->load;	1559	$map->load;
1297	$map	1560
		1561	delete $MAP_PREFETCH{$path};
		1562	}
		1563	}
		1564	undef $MAP_PREFETCHER;
1298	}	1565	};
		1566	$MAP_PREFETCHER->prio (6);
		1567
		1568	()
1299	}	1569	}
1300		1570
1301	sub save {	1571	sub save {
1302	my ($self) = @_;	1572	my ($self) = @_;
1303		1573
		1574	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1575
1304	$self->{last_save} = $cf::RUNTIME;	1576	$self->{last_save} = $cf::RUNTIME;
1305		1577
1306	return unless $self->dirty;	1578	return unless $self->dirty;
1307		1579
1308	my $save = $self->{path}->save_path; utf8::encode $save;	1580	my $save = $self->save_path; utf8::encode $save;
1309	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1581	my $uniq = $self->uniq_path; utf8::encode $uniq;
1310		1582
1311	$self->{load_path} = $save;	1583	$self->{load_path} = $save;
1312		1584
1313	return if $self->{deny_save};	1585	return if $self->{deny_save};
1314		1586
		1587	local $self->{last_access} = $self->last_access;#d#
		1588
		1589	cf::async {
		1590	$_->contr->save for $self->players;
		1591	};
		1592
1315	if ($uniq) {	1593	if ($uniq) {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1317	$self->save_objects ($uniq, cf::IO_UNIQUES);	1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1318	} else {	1596	} else {
1319	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1597	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1320	}	1598	}
1321	}	1599	}
1322		1600
1323	sub swap_out {	1601	sub swap_out {
1324	my ($self) = @_;	1602	my ($self) = @_;
1325		1603
1326	# save first because save cedes	1604	# save first because save cedes
1327	$self->save;	1605	$self->save;
		1606
		1607	my $lock = cf::lock_acquire "map_data:" . $self->path;
1328		1608
1329	return if $self->players;	1609	return if $self->players;
1330	return if $self->in_memory != cf::MAP_IN_MEMORY;	1610	return if $self->in_memory != cf::MAP_IN_MEMORY;
1331	return if $self->{deny_save};	1611	return if $self->{deny_save};
1332		1612
…		…
1336		1616
1337	sub reset_at {	1617	sub reset_at {
1338	my ($self) = @_;	1618	my ($self) = @_;
1339		1619
1340	# TODO: safety, remove and allow resettable per-player maps	1620	# TODO: safety, remove and allow resettable per-player maps
1341	return 1e99 if $self->{path}{user_rel};	1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1342	return 1e99 if $self->{deny_reset};	1622	return 1e99 if $self->{deny_reset};
1343		1623
1344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1345	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1346		1626
…		…
1351	my ($self) = @_;	1631	my ($self) = @_;
1352		1632
1353	$self->reset_at <= $cf::RUNTIME	1633	$self->reset_at <= $cf::RUNTIME
1354	}	1634	}
1355		1635
1356	sub unlink_save {
1357	my ($self) = @_;
1358
1359	utf8::encode (my $save = $self->{path}->save_path);
1360	aioreq_pri 3; IO::AIO::aio_unlink $save;
1361	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1362	}
1363
1364	sub rename {
1365	my ($self, $new_path) = @_;
1366
1367	$self->unlink_save;
1368
1369	delete $cf::MAP{$self->path};
1370	$self->{path} = new cf::path $new_path;
1371	$self->path ($self->{path}->as_string);
1372	$cf::MAP{$self->path} = $self;
1373
1374	$self->save;
1375	}
1376
1377	sub reset {	1636	sub reset {
1378	my ($self) = @_;	1637	my ($self) = @_;
1379		1638
		1639	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1640
1380	return if $self->players;	1641	return if $self->players;
1381	return if $self->{path}{user_rel};#d#	1642	return if $self->isa ("ext::map_per_player");#d#
1382		1643
1383	warn "resetting map ", $self->path;#d#	1644	warn "resetting map ", $self->path;#d#
1384		1645
		1646	$self->in_memory (cf::MAP_SWAPPED);
		1647
		1648	# need to save uniques path
		1649	unless ($self->{deny_save}) {
		1650	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1651
		1652	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1653	if $uniq;
		1654	}
		1655
1385	delete $cf::MAP{$self->path};	1656	delete $cf::MAP{$self->path};
		1657
		1658	$self->clear;
1386		1659
1387	$_->clear_links_to ($self) for values %cf::MAP;	1660	$_->clear_links_to ($self) for values %cf::MAP;
1388		1661
1389	$self->unlink_save;	1662	$self->unlink_save;
1390	$self->destroy;	1663	$self->destroy;
…		…
1393	my $nuke_counter = "aaaa";	1666	my $nuke_counter = "aaaa";
1394		1667
1395	sub nuke {	1668	sub nuke {
1396	my ($self) = @_;	1669	my ($self) = @_;
1397		1670
		1671	delete $cf::MAP{$self->path};
		1672
		1673	$self->unlink_save;
		1674
		1675	bless $self, "cf::map";
		1676	delete $self->{deny_reset};
1398	$self->{deny_save} = 1;	1677	$self->{deny_save} = 1;
1399	$self->reset_timeout (1);	1678	$self->reset_timeout (1);
1400	$self->rename ("{nuke}/" . ($nuke_counter++));	1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1680
		1681	$cf::MAP{$self->path} = $self;
		1682
1401	$self->reset; # polite request, might not happen	1683	$self->reset; # polite request, might not happen
1402	}	1684	}
1403		1685
1404	sub customise_for {	1686	=item cf::map::unique_maps
1405	my ($map, $ob) = @_;
1406		1687
1407	if ($map->per_player) {	1688	Returns an arrayref of paths of all shared maps that have
1408	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1689	instantiated unique items. May block.
1409	}
1410		1690
1411	$map	1691	=cut
1412	}
1413		1692
1414	sub emergency_save {	1693	sub unique_maps() {
1415	local $cf::FREEZE = 1;	1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1695	or return;
1416		1696
1417	warn "enter emergency map save\n";	1697	my @paths;
1418		1698
1419	cf::sync_job {	1699	for (@$files) {
1420	warn "begin emergency map save\n";	1700	utf8::decode $_;
1421	$_->save for values %cf::MAP;	1701	next if /\.pst$/;
		1702	next unless /^$PATH_SEP/o;
		1703
		1704	push @paths, cf::map::normalise $_;
1422	};	1705	}
1423		1706
1424	warn "end emergency map save\n";	1707	\@paths
1425	}	1708	}
1426		1709
1427	package cf;	1710	package cf;
1428		1711
1429	=back	1712	=back
1430		1713
		1714	=head3 cf::object
		1715
		1716	=cut
		1717
		1718	package cf::object;
		1719
		1720	=over 4
		1721
		1722	=item $ob->inv_recursive
		1723
		1724	Returns the inventory of the object _and_ their inventories, recursively.
		1725
		1726	=cut
		1727
		1728	sub inv_recursive_;
		1729	sub inv_recursive_ {
		1730	map { $_, inv_recursive_ $_->inv } @_
		1731	}
		1732
		1733	sub inv_recursive {
		1734	inv_recursive_ inv $_[0]
		1735	}
		1736
		1737	package cf;
		1738
		1739	=back
1431		1740
1432	=head3 cf::object::player	1741	=head3 cf::object::player
1433		1742
1434	=over 4	1743	=over 4
1435		1744
…		…
1475		1784
1476	=item $player_object->enter_link	1785	=item $player_object->enter_link
1477		1786
1478	Freezes the player and moves him/her to a special map (C<{link}>).	1787	Freezes the player and moves him/her to a special map (C<{link}>).
1479		1788
1480	The player should be reaosnably safe there for short amounts of time. You	1789	The player should be reasonably safe there for short amounts of time. You
1481	I<MUST> call C<leave_link> as soon as possible, though.	1790	I<MUST> call C<leave_link> as soon as possible, though.
1482		1791
		1792	Will never block.
		1793
1483	=item $player_object->leave_link ($map, $x, $y)	1794	=item $player_object->leave_link ($map, $x, $y)
1484		1795
1485	Moves the player out of the specila link map onto the given map. If the	1796	Moves the player out of the special C<{link}> map onto the specified
1486	map is not valid (or omitted), the player will be moved back to the	1797	map. If the map is not valid (or omitted), the player will be moved back
1487	location he/she was before the call to C<enter_link>, or, if that fails,	1798	to the location he/she was before the call to C<enter_link>, or, if that
1488	to the emergency map position.	1799	fails, to the emergency map position.
1489		1800
1490	Might block.	1801	Might block.
1491		1802
1492	=cut	1803	=cut
		1804
		1805	sub link_map {
		1806	unless ($LINK_MAP) {
		1807	$LINK_MAP = cf::map::find "{link}"
		1808	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1809	$LINK_MAP->load;
		1810	}
		1811
		1812	$LINK_MAP
		1813	}
1493		1814
1494	sub cf::object::player::enter_link {	1815	sub cf::object::player::enter_link {
1495	my ($self) = @_;	1816	my ($self) = @_;
1496		1817
1497	$self->deactivate_recursive;	1818	$self->deactivate_recursive;
1498		1819
1499	return if $self->map == $LINK_MAP;	1820	return if UNIVERSAL::isa $self->map, "ext::map_link";
1500		1821
1501	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1502	if $self->map;	1823	if $self->map;
1503		1824
1504	$self->enter_map ($LINK_MAP, 20, 20);	1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1505	}	1826	}
1506		1827
1507	sub cf::object::player::leave_link {	1828	sub cf::object::player::leave_link {
1508	my ($self, $map, $x, $y) = @_;	1829	my ($self, $map, $x, $y) = @_;
1509		1830
1510	my $link_pos = delete $self->{_link_pos};	1831	my $link_pos = delete $self->{_link_pos};
1511		1832
1512	unless ($map) {	1833	unless ($map) {
1513	# restore original map position	1834	# restore original map position
1514	($map, $x, $y) = @{ $link_pos || [] };	1835	($map, $x, $y) = @{ $link_pos || [] };
1515	$map = cf::map::find_map $map;	1836	$map = cf::map::find $map;
1516		1837
1517	unless ($map) {	1838	unless ($map) {
1518	($map, $x, $y) = @$EMERGENCY_POSITION;	1839	($map, $x, $y) = @$EMERGENCY_POSITION;
1519	$map = cf::map::find_map $map	1840	$map = cf::map::find $map
1520	or die "FATAL: cannot load emergency map\n";	1841	or die "FATAL: cannot load emergency map\n";
1521	}	1842	}
1522	}	1843	}
1523		1844
1524	($x, $y) = (-1, -1)	1845	($x, $y) = (-1, -1)
…		…
1527	# use -1 or undef as default coordinates, not 0, 0	1848	# use -1 or undef as default coordinates, not 0, 0
1528	($x, $y) = ($map->enter_x, $map->enter_y)	1849	($x, $y) = ($map->enter_x, $map->enter_y)
1529	if $x <=0 && $y <= 0;	1850	if $x <=0 && $y <= 0;
1530		1851
1531	$map->load;	1852	$map->load;
		1853	$map->load_diag;
1532		1854
		1855	return unless $self->contr->active;
1533	$self->activate_recursive;	1856	$self->activate_recursive;
		1857
		1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1534	$self->enter_map ($map, $x, $y);	1859	$self->enter_map ($map, $x, $y);
1535	}	1860	}
1536		1861
1537	cf::player->attach (	1862	cf::player->attach (
1538	on_logout => sub {	1863	on_logout => sub {
…		…
1550		1875
1551	# try to abort aborted map switching on player login :)	1876	# try to abort aborted map switching on player login :)
1552	# should happen only on crashes	1877	# should happen only on crashes
1553	if ($pl->ob->{_link_pos}) {	1878	if ($pl->ob->{_link_pos}) {
1554	$pl->ob->enter_link;	1879	$pl->ob->enter_link;
1555	cf::async {	1880	(async {
		1881	$pl->ob->reply (undef,
		1882	"There was an internal problem at your last logout, "
		1883	. "the server will try to bring you to your intended destination in a second.",
		1884	cf::NDI_RED);
1556	# we need this sleep as the login has a concurrent enter_exit running	1885	# we need this sleep as the login has a concurrent enter_exit running
1557	# and this sleep increases chances of the player not ending up in scorn	1886	# and this sleep increases chances of the player not ending up in scorn
1558	Coro::Timer::sleep 1;	1887	Coro::Timer::sleep 1;
1559	$pl->ob->leave_link;	1888	$pl->ob->leave_link;
1560	};	1889	})->prio (2);
1561	}	1890	}
1562	},	1891	},
1563	);	1892	);
1564		1893
1565	=item $player_object->goto_map ($path, $x, $y)	1894	=item $player_object->goto ($path, $x, $y)
1566		1895
1567	=cut	1896	=cut
1568		1897
1569	sub cf::object::player::goto_map {	1898	sub cf::object::player::goto {
1570	my ($self, $path, $x, $y) = @_;	1899	my ($self, $path, $x, $y) = @_;
1571		1900
1572	$self->enter_link;	1901	$self->enter_link;
1573		1902
1574	(cf::async {	1903	(async {
1575	$path = new cf::path $path;	1904	my $map = eval {
1576
1577	my $map = cf::map::find_map $path->as_string;	1905	my $map = cf::map::find $path;
1578	$map = $map->customise_for ($self) if $map;	1906	$map = $map->customise_for ($self) if $map;
1579		1907	$map
1580	# warn "entering ", $map->path, " at ($x, $y)\n"	1908	} or
1581	# if $map;
1582
1583	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1584		1910
1585	$self->leave_link ($map, $x, $y);	1911	$self->leave_link ($map, $x, $y);
1586	})->prio (1);	1912	})->prio (1);
1587	}	1913	}
1588		1914
…		…
1592		1918
1593	sub parse_random_map_params {	1919	sub parse_random_map_params {
1594	my ($spec) = @_;	1920	my ($spec) = @_;
1595		1921
1596	my $rmp = { # defaults	1922	my $rmp = { # defaults
1597	xsize => 10,	1923	xsize => (cf::rndm 15, 40),
1598	ysize => 10,	1924	ysize => (cf::rndm 15, 40),
		1925	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1926	#layout => string,
1599	};	1927	};
1600		1928
1601	for (split /\n/, $spec) {	1929	for (split /\n/, $spec) {
1602	my ($k, $v) = split /\s+/, $_, 2;	1930	my ($k, $v) = split /\s+/, $_, 2;
1603		1931
…		…
1607	$rmp	1935	$rmp
1608	}	1936	}
1609		1937
1610	sub prepare_random_map {	1938	sub prepare_random_map {
1611	my ($exit) = @_;	1939	my ($exit) = @_;
		1940
		1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1612		1942
1613	# all this does is basically replace the /! path by	1943	# all this does is basically replace the /! path by
1614	# a new random map path (?random/...) with a seed	1944	# a new random map path (?random/...) with a seed
1615	# that depends on the exit object	1945	# that depends on the exit object
1616		1946
1617	my $rmp = parse_random_map_params $exit->msg;	1947	my $rmp = parse_random_map_params $exit->msg;
1618		1948
1619	if ($exit->map) {	1949	if ($exit->map) {
1620	$rmp->{region} = $exit->map->region_name;	1950	$rmp->{region} = $exit->region->name;
1621	$rmp->{origin_map} = $exit->map->path;	1951	$rmp->{origin_map} = $exit->map->path;
1622	$rmp->{origin_x} = $exit->x;	1952	$rmp->{origin_x} = $exit->x;
1623	$rmp->{origin_y} = $exit->y;	1953	$rmp->{origin_y} = $exit->y;
1624	}	1954	}
1625		1955
1626	$rmp->{random_seed} ||= $exit->random_seed;	1956	$rmp->{random_seed} ||= $exit->random_seed;
1627		1957
1628	my $data = cf::to_json $rmp;	1958	my $data = cf::to_json $rmp;
1629	my $md5 = Digest::MD5::md5_hex $data;	1959	my $md5 = Digest::MD5::md5_hex $data;
		1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1630		1961
1631	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1632	aio_write $fh, 0, (length $data), $data, 0;	1963	aio_write $fh, 0, (length $data), $data, 0;
		1964	undef $fh;
		1965	aio_rename "$meta~", $meta;
1633		1966
1634	$exit->slaying ("?random/$md5");	1967	$exit->slaying ("?random/$md5");
1635	$exit->msg (undef);	1968	$exit->msg (undef);
1636	}	1969	}
1637	}	1970	}
…		…
1639	sub cf::object::player::enter_exit {	1972	sub cf::object::player::enter_exit {
1640	my ($self, $exit) = @_;	1973	my ($self, $exit) = @_;
1641		1974
1642	return unless $self->type == cf::PLAYER;	1975	return unless $self->type == cf::PLAYER;
1643		1976
		1977	if ($exit->slaying eq "/!") {
		1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1979	# the problem is that $exit might not survive long enough
		1980	# so it needs to be done right now, right here
		1981	cf::sync_job { prepare_random_map $exit };
		1982	}
		1983
		1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1985	my $hp = $exit->stats->hp;
		1986	my $sp = $exit->stats->sp;
		1987
1644	$self->enter_link;	1988	$self->enter_link;
1645		1989
1646	(cf::async {	1990	(async {
		1991	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	1992	unless (eval {
1648	prepare_random_map $exit	1993	$self->goto ($slaying, $hp, $sp);
1649	if $exit->slaying eq "/!";
1650
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1653		1994
1654	1;	1995	1;
1655	}) {	1996	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	1997	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	1998	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	1999	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	2000	cf::NDI_UNIQUE | cf::NDI_RED);
1660		2001
1661	warn "ERROR in enter_exit: $@";	2002	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	2003	$self->leave_link;
1663	}	2004	}
1664	})->prio (1);	2005	})->prio (1);
…		…
1677		2018
1678	sub cf::client::send_drawinfo {	2019	sub cf::client::send_drawinfo {
1679	my ($self, $text, $flags) = @_;	2020	my ($self, $text, $flags) = @_;
1680		2021
1681	utf8::encode $text;	2022	utf8::encode $text;
1682	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1683	}	2024	}
1684		2025
		2026	=item $client->ext_event ($type, %msg)
		2027
		2028	Sends an exti event to the client.
		2029
		2030	=cut
		2031
		2032	sub cf::client::ext_event($$%) {
		2033	my ($self, $type, %msg) = @_;
		2034
		2035	$msg{msgtype} = "event_$type";
		2036	$self->send_packet ("ext " . cf::to_json \%msg);
		2037	}
1685		2038
1686	=item $success = $client->query ($flags, "text", \&cb)	2039	=item $success = $client->query ($flags, "text", \&cb)
1687		2040
1688	Queues a query to the client, calling the given callback with	2041	Queues a query to the client, calling the given callback with
1689	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1718	# get handled first	2071	# get handled first
1719	my $queue = delete $ns->{query_queue}	2072	my $queue = delete $ns->{query_queue}
1720	or return; # be conservative, not sure how that can happen, but we saw a crash here	2073	or return; # be conservative, not sure how that can happen, but we saw a crash here
1721		2074
1722	(shift @$queue)->[1]->($msg);	2075	(shift @$queue)->[1]->($msg);
		2076	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1723		2077
1724	push @{ $ns->{query_queue} }, @$queue;	2078	push @{ $ns->{query_queue} }, @$queue;
1725		2079
1726	if (@{ $ns->{query_queue} } == @$queue) {	2080	if (@{ $ns->{query_queue} } == @$queue) {
1727	if (@$queue) {	2081	if (@$queue) {
…		…
1731	}	2085	}
1732	}	2086	}
1733	},	2087	},
1734	);	2088	);
1735		2089
1736	=item $client->coro (\&cb)	2090	=item $client->async (\&cb)
1737		2091
1738	Create a new coroutine, running the specified callback. The coroutine will	2092	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	2093	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	2094	or loss of connection).
1741		2095
1742	=cut	2096	=cut
1743		2097
1744	sub cf::client::coro {	2098	sub cf::client::async {
1745	my ($self, $cb) = @_;	2099	my ($self, $cb) = @_;
1746		2100
1747	my $coro = &cf::async ($cb);	2101	my $coro = &Coro::async ($cb);
1748		2102
1749	$coro->on_destroy (sub {	2103	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	2104	delete $self->{_coro}{$coro+0};
1751	});	2105	});
1752		2106
…		…
1785		2139
1786	# here we export the classes and methods available to script code	2140	# here we export the classes and methods available to script code
1787		2141
1788	=pod	2142	=pod
1789		2143
1790	The following fucntions and emthods are available within a safe environment:	2144	The following functions and methods are available within a safe environment:
1791		2145
1792	cf::object contr pay_amount pay_player map	2146	cf::object contr pay_amount pay_player map
1793	cf::object::player player	2147	cf::object::player player
1794	cf::player peaceful	2148	cf::player peaceful
1795	cf::map trigger	2149	cf::map trigger
…		…
1888	The parameter C<$family> should best start with the name of the extension	2242	The parameter C<$family> should best start with the name of the extension
1889	using it, it should be unique.	2243	using it, it should be unique.
1890		2244
1891	=over 4	2245	=over 4
1892		2246
1893	=item $hashref = cf::db_get $family
1894
1895	Return a hashref for use by the extension C<$family>, which can be
1896	modified. After modifications, you have to call C<cf::db_dirty> or
1897	C<cf::db_sync>.
1898
1899	=item $value = cf::db_get $family => $key	2247	=item $value = cf::db_get $family => $key
1900		2248
1901	Returns a single value from the database	2249	Returns a single value from the database.
1902
1903	=item cf::db_put $family => $hashref
1904
1905	Stores the given family hashref into the database. Updates are delayed, if
1906	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1907		2250
1908	=item cf::db_put $family => $key => $value	2251	=item cf::db_put $family => $key => $value
1909		2252
1910	Stores the given C<$value> in the family hash. Updates are delayed, if you	2253	Stores the given C<$value> in the family.
1911	want the data to be synced to disk immediately, use C<cf::db_sync>.
1912
1913	=item cf::db_dirty
1914
1915	Marks the database as dirty, to be updated at a later time.
1916
1917	=item cf::db_sync
1918
1919	Immediately write the database to disk I<if it is dirty>.
1920		2254
1921	=cut	2255	=cut
1922		2256
1923	our $DB;	2257	our $DB;
1924		2258
1925	{	2259	sub db_init {
		2260	unless ($DB) {
		2261	$DB = BDB::db_create $DB_ENV;
		2262
		2263	cf::sync_job {
		2264	eval {
		2265	$DB->set_flags (BDB::CHKSUM);
		2266
		2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2269	cf::cleanup "db_open(db): $!" if $!;
		2270	};
		2271	cf::cleanup "db_open(db): $@" if $@;
		2272	};
		2273
1926	my $path = cf::localdir . "/database.pst";	2274	my $path = cf::localdir . "/database.pst";
		2275	if (stat $path) {
		2276	cf::sync_job {
		2277	my $pst = Storable::retrieve $path;
1927		2278
1928	sub db_load() {	2279	cf::db_put (board => data => $pst->{board});
1929	$DB = stat $path ? Storable::retrieve $path : { };	2280	cf::db_put (guildrules => data => $pst->{guildrules});
1930	}	2281	cf::db_put (rent => balance => $pst->{rent}{balance});
		2282	BDB::db_env_txn_checkpoint $DB_ENV;
1931		2283
1932	my $pid;	2284	unlink $path;
1933
1934	sub db_save() {
1935	waitpid $pid, 0 if $pid;
1936	if (0 == ($pid = fork)) {
1937	$DB->{_meta}{version} = 1;
1938	Storable::nstore $DB, "$path~";
1939	rename "$path~", $path;
1940	cf::_exit 0 if defined $pid;
1941	}	2285	};
1942	}
1943
1944	my $dirty;
1945
1946	sub db_sync() {
1947	db_save if $dirty;
1948	undef $dirty;
1949	}
1950
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1952	db_sync;
1953	});
1954
1955	sub db_dirty() {
1956	$dirty = 1;
1957	$idle->start;
1958	}
1959
1960	sub db_get($;$) {
1961	@_ >= 2
1962	? $DB->{$_[0]}{$_[1]}
1963	: ($DB->{$_[0]} ||= { })
1964	}
1965
1966	sub db_put($$;$) {
1967	if (@_ >= 3) {
1968	$DB->{$_[0]}{$_[1]} = $_[2];
1969	} else {
1970	$DB->{$_[0]} = $_[1];
1971	}
1972	db_dirty;
1973	}
1974
1975	cf::global->attach (
1976	prio => 10000,
1977	on_cleanup => sub {
1978	db_sync;
1979	},	2286	}
1980	);	2287	}
		2288	}
		2289
		2290	sub db_get($$) {
		2291	my $key = "$_[0]/$_[1]";
		2292
		2293	cf::sync_job {
		2294	BDB::db_get $DB, undef, $key, my $data;
		2295
		2296	$! ? ()
		2297	: Compress::LZF::sthaw $data
		2298	}
		2299	}
		2300
		2301	sub db_put($$$) {
		2302	BDB::dbreq_pri 4;
		2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1981	}	2304	}
1982		2305
1983	#############################################################################	2306	#############################################################################
1984	# the server's main()	2307	# the server's init and main functions
		2308
		2309	sub load_facedata {
		2310	my $path = sprintf "%s/facedata", cf::datadir;
		2311
		2312	warn "loading facedata from $path\n";
		2313
		2314	my $facedata;
		2315	0 < aio_load $path, $facedata
		2316	or die "$path: $!";
		2317
		2318	$facedata = Coro::Storable::thaw $facedata;
		2319
		2320	$facedata->{version} == 2
		2321	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2322
		2323	{
		2324	my $faces = $facedata->{faceinfo};
		2325
		2326	while (my ($face, $info) = each %$faces) {
		2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2331	Coro::cede;
		2332	}
		2333
		2334	while (my ($face, $info) = each %$faces) {
		2335	next unless $info->{smooth};
		2336	my $idx = cf::face::find $face
		2337	or next;
		2338	if (my $smooth = cf::face::find $info->{smooth}) {
		2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2340	} else {
		2341	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2342	}
		2343	Coro::cede;
		2344	}
		2345	}
		2346
		2347	{
		2348	my $anims = $facedata->{animinfo};
		2349
		2350	while (my ($anim, $info) = each %$anims) {
		2351	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2352	Coro::cede;
		2353	}
		2354
		2355	cf::anim::invalidate_all; # d'oh
		2356	}
		2357
		2358	1
		2359	}
		2360
		2361	sub reload_resources {
		2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2363	or die "unable to load regions file\n";#d#
		2364	load_facedata
		2365	or die "unable to load facedata\n";#d#
		2366	}
		2367
		2368	sub init {
		2369	reload_resources;
		2370	}
1985		2371
1986	sub cfg_load {	2372	sub cfg_load {
1987	open my $fh, "<:utf8", cf::confdir . "/config"	2373	open my $fh, "<:utf8", cf::confdir . "/config"
1988	or return;	2374	or return;
1989		2375
1990	local $/;	2376	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2377	*CFG = YAML::Syck::Load <$fh>;
1992		2378
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		2380
		2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2383
1995	if (exists $CFG{mlockall}) {	2384	if (exists $CFG{mlockall}) {
1996	eval {	2385	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2386	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2387	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2388	};
2000	warn $@ if $@;	2389	warn $@ if $@;
2001	}	2390	}
2002	}	2391	}
2003		2392
2004	sub main {	2393	sub main {
2005	# we must not ever block the main coroutine	2394	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2395	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	2397	(async {
2009	Event::one_event;	2398	Event::one_event;
2010	})->();	2399	})->prio (Coro::PRIO_MAX);
2011	};	2400	};
2012		2401
2013	cfg_load;	2402	cfg_load;
2014	db_load;	2403	db_init;
2015	load_extensions;	2404	load_extensions;
		2405
		2406	$TICK_WATCHER->start;
2016	Event::loop;	2407	Event::loop;
2017	}	2408	}
2018		2409
2019	#############################################################################	2410	#############################################################################
2020	# initialisation	2411	# initialisation and cleanup
		2412
		2413	# install some emergency cleanup handlers
		2414	BEGIN {
		2415	for my $signal (qw(INT HUP TERM)) {
		2416	Event->signal (
		2417	reentrant => 0,
		2418	data => WF_AUTOCANCEL,
		2419	signal => $signal,
		2420	prio => 0,
		2421	cb => sub {
		2422	cf::cleanup "SIG$signal";
		2423	},
		2424	);
		2425	}
		2426	}
		2427
		2428	sub emergency_save() {
		2429	my $freeze_guard = cf::freeze_mainloop;
		2430
		2431	warn "enter emergency perl save\n";
		2432
		2433	cf::sync_job {
		2434	# use a peculiar iteration method to avoid tripping on perl
		2435	# refcount bugs in for. also avoids problems with players
		2436	# and maps saved/destroyed asynchronously.
		2437	warn "begin emergency player save\n";
		2438	for my $login (keys %cf::PLAYER) {
		2439	my $pl = $cf::PLAYER{$login} or next;
		2440	$pl->valid or next;
		2441	$pl->save;
		2442	}
		2443	warn "end emergency player save\n";
		2444
		2445	warn "begin emergency map save\n";
		2446	for my $path (keys %cf::MAP) {
		2447	my $map = $cf::MAP{$path} or next;
		2448	$map->valid or next;
		2449	$map->save;
		2450	}
		2451	warn "end emergency map save\n";
		2452
		2453	warn "begin emergency database checkpoint\n";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455	warn "end emergency database checkpoint\n";
		2456	};
		2457
		2458	warn "leave emergency perl save\n";
		2459	}
		2460
		2461	sub post_cleanup {
		2462	my ($make_core) = @_;
		2463
		2464	warn Carp::longmess "post_cleanup backtrace"
		2465	if $make_core;
		2466	}
2021		2467
2022	sub reload() {	2468	sub reload() {
2023	# can/must only be called in main	2469	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2470	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2471	warn "can only reload from main coroutine";
2026	return;	2472	return;
2027	}	2473	}
2028		2474
2029	warn "reloading...";	2475	warn "reloading...";
2030		2476
2031	local $FREEZE = 1;	2477	warn "entering sync_job";
		2478
		2479	cf::sync_job {
		2480	cf::write_runtime; # external watchdog should not bark
2032	cf::emergency_save;	2481	cf::emergency_save;
		2482	cf::write_runtime; # external watchdog should not bark
2033		2483
2034	eval {	2484	warn "syncing database to disk";
		2485	BDB::db_env_txn_checkpoint $DB_ENV;
		2486
2035	# if anything goes wrong in here, we should simply crash as we already saved	2487	# if anything goes wrong in here, we should simply crash as we already saved
2036		2488
2037	# cancel all watchers	2489	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	2490	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2492	}
2041		2493
		2494	warn "flushing outstanding aio requests";
		2495	for (;;) {
		2496	BDB::flush;
		2497	IO::AIO::flush;
		2498	Coro::cede;
		2499	last unless IO::AIO::nreqs || BDB::nreqs;
		2500	warn "iterate...";
		2501	}
		2502
		2503	++$RELOAD;
		2504
2042	# cancel all extension coros	2505	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	2506	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2507	%EXT_CORO = ();
2045		2508
2046	# unload all extensions	2509	warn "removing commands";
2047	for (@exts) {	2510	%COMMAND = ();
		2511
		2512	warn "removing ext commands";
		2513	%EXTCMD = ();
		2514
		2515	warn "unloading/nuking all extensions";
		2516	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2517	warn "... unloading $pkg";
2049	unload_extension $_;	2518
		2519	if (my $cb = $pkg->can ("unload")) {
		2520	eval {
		2521	$cb->($pkg);
		2522	1
		2523	} or warn "$pkg unloaded, but with errors: $@";
2050	}	2524	}
2051		2525
		2526	warn "... nuking $pkg";
		2527	Symbol::delete_package $pkg;
		2528	}
		2529
2052	# unload all modules loaded from $LIBDIR	2530	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2531	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2533
2056	warn "removing <$k>";	2534	warn "... unloading $k";
2057	delete $INC{$k};	2535	delete $INC{$k};
2058		2536
2059	$k =~ s/\.pm$//;	2537	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	2538	$k =~ s/\//::/g;
2061		2539
…		…
2064	}	2542	}
2065		2543
2066	Symbol::delete_package $k;	2544	Symbol::delete_package $k;
2067	}	2545	}
2068		2546
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2547	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2548	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		2550
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2551	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2552	delete $INC{"cf.pm"};
2082		2553
2083	# don't, removes xs symbols, too,	2554	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2555	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2556	#Symbol::delete_package __PACKAGE__;
2086		2557
2087	# reload cf.pm	2558	warn "unload completed, starting to reload now";
		2559
2088	warn "reloading cf.pm";	2560	warn "reloading cf.pm";
2089	require cf;	2561	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2563
2092	# load config and database again	2564	warn "loading config and database again";
2093	cf::cfg_load;	2565	cf::cfg_load;
2094	cf::db_load;
2095		2566
2096	# load extensions
2097	warn "load extensions";	2567	warn "loading extensions";
2098	cf::load_extensions;	2568	cf::load_extensions;
2099		2569
2100	# reattach attachments to objects	2570	warn "reattaching attachments to objects/players";
2101	warn "reattach";	2571	_global_reattach; # objects, sockets
2102	_global_reattach;	2572	warn "reattaching attachments to maps";
2103	};	2573	reattach $_ for values %MAP;
		2574	warn "reattaching attachments to players";
		2575	reattach $_ for values %PLAYER;
2104		2576
2105	if ($@) {	2577	warn "loading reloadable resources";
		2578	reload_resources;
		2579
		2580	warn "leaving sync_job";
		2581
		2582	1
		2583	} or do {
2106	warn $@;	2584	warn $@;
2107	warn "error while reloading, exiting.";	2585	warn "error while reloading, exiting.";
2108	exit 1;	2586	exit 1;
2109	}	2587	};
2110		2588
2111	warn "reloaded successfully";	2589	warn "reloaded";
2112	};	2590	};
2113		2591
2114	#############################################################################	2592	our $RELOAD_WATCHER; # used only during reload
2115
2116	unless ($LINK_MAP) {
2117	$LINK_MAP = cf::map::new;
2118
2119	$LINK_MAP->width (41);
2120	$LINK_MAP->height (41);
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,
2129	cb => sub {
2130	$_[0]->w->cancel;
2131
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});
2150
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}
2156
2157	register "<global>", __PACKAGE__;
2158		2593
2159	register_command "reload" => sub {	2594	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2595	my ($who, $arg) = @_;
2161		2596
2162	if ($who->flag (FLAG_WIZ)) {	2597	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");	2598	$who->message ("reloading server.");
		2599
		2600	# doing reload synchronously and two reloads happen back-to-back,
		2601	# coro crashes during coro_state_free->destroy here.
		2602
		2603	$RELOAD_WATCHER ||= Event->timer (
		2604	reentrant => 0,
		2605	after => 0,
		2606	data => WF_AUTOCANCEL,
		2607	cb => sub {
2164	reload;	2608	reload;
2165	$who->message ("end of reload.");	2609	undef $RELOAD_WATCHER;
		2610	},
		2611	);
2166	}	2612	}
2167	};	2613	};
2168		2614
2169	unshift @INC, $LIBDIR;	2615	unshift @INC, $LIBDIR;
		2616
		2617	my $bug_warning = 0;
2170		2618
2171	$TICK_WATCHER = Event->timer (	2619	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	2620	reentrant => 0,
		2621	parked => 1,
2173	prio => 0,	2622	prio => 0,
2174	at => $NEXT_TICK || $TICK,	2623	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	2624	data => WF_AUTOCANCEL,
2176	cb => sub {	2625	cb => sub {
2177	unless ($FREEZE) {	2626	if ($Coro::current != $Coro::main) {
		2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2628	unless ++$bug_warning > 10;
		2629	return;
		2630	}
		2631
		2632	$NOW = Event::time;
		2633
2178	cf::server_tick; # one server iteration	2634	cf::server_tick; # one server iteration
2179	$RUNTIME += $TICK;	2635	$RUNTIME += $TICK;
2180	}
2181
2182	$NEXT_TICK += $TICK;	2636	$NEXT_TICK += $TICK;
		2637
		2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2639	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2640	Coro::async_pool {
		2641	write_runtime
		2642	or warn "ERROR: unable to write runtime file: $!";
		2643	};
		2644	}
		2645
		2646	$WAIT_FOR_TICK->broadcast;
		2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2648
		2649	# my $AFTER = Event::time;
		2650	# warn $AFTER - $NOW;#d#
2183		2651
2184	# if we are delayed by four ticks or more, skip them all	2652	# if we are delayed by four ticks or more, skip them all
2185	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2186		2654
2187	$TICK_WATCHER->at ($NEXT_TICK);	2655	$TICK_WATCHER->at ($NEXT_TICK);
2188	$TICK_WATCHER->start;	2656	$TICK_WATCHER->start;
2189	},	2657	},
2190	);	2658	);
2191		2659
		2660	{
2192	IO::AIO::max_poll_time $TICK * 0.2;	2661	BDB::max_poll_time $TICK * 0.1;
2193		2662	$BDB_POLL_WATCHER = Event->io (
2194	Event->io (	2663	reentrant => 0,
2195	fd => IO::AIO::poll_fileno,	2664	fd => BDB::poll_fileno,
2196	poll => 'r',	2665	poll => 'r',
2197	prio => 5,	2666	prio => 0,
2198	data => WF_AUTOCANCEL,
2199	cb => \&IO::AIO::poll_cb,
2200	);
2201
2202	Event->timer (
2203	data => WF_AUTOCANCEL,	2667	data => WF_AUTOCANCEL,
2204	after => 0,	2668	cb => \&BDB::poll_cb,
2205	interval => 10,	2669	);
2206	cb => sub {	2670	BDB::min_parallel 8;
2207	(Coro::unblock_sub {	2671
2208	write_runtime	2672	BDB::set_sync_prepare {
2209	or warn "ERROR: unable to write runtime file: $!";	2673	my $status;
		2674	my $current = $Coro::current;
		2675	(
		2676	sub {
		2677	$status = $!;
		2678	$current->ready; undef $current;
		2679	},
		2680	sub {
		2681	Coro::schedule while defined $current;
		2682	$! = $status;
		2683	},
		2684	)
		2685	};
		2686
		2687	unless ($DB_ENV) {
		2688	$DB_ENV = BDB::db_env_create;
		2689
		2690	cf::sync_job {
		2691	eval {
		2692	BDB::db_env_open
		2693	$DB_ENV,
		2694	$BDB_ENV_DIR,
		2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2697	0666;
		2698
		2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2700
		2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2702	$DB_ENV->set_lk_detect;
		2703	};
		2704
		2705	cf::cleanup "db_env_open(db): $@" if $@;
2210	})->();	2706	};
2211	},	2707	}
2212	);	2708	}
		2709
		2710	{
		2711	IO::AIO::min_parallel 8;
		2712
		2713	undef $Coro::AIO::WATCHER;
		2714	IO::AIO::max_poll_time $TICK * 0.1;
		2715	$AIO_POLL_WATCHER = Event->io (
		2716	reentrant => 0,
		2717	data => WF_AUTOCANCEL,
		2718	fd => IO::AIO::poll_fileno,
		2719	poll => 'r',
		2720	prio => 6,
		2721	cb => \&IO::AIO::poll_cb,
		2722	);
		2723	}
2213		2724
2214	END { cf::emergency_save }	2725	END { cf::emergency_save }
2215		2726
2216	1	2727	1
2217		2728

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