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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.129 by root, Wed Jan 3 00:41:19 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	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	}
249		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	$guard
		275	}
		276
250	=item cf::async { BLOCK }	277	=item cf::async { BLOCK }
251		278
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	279	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		281	thing you are allowed to do is call C<prio> on it.
254		282
255	=cut	283	=cut
256		284
257	sub async(&) {	285	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		286
266	=item cf::sync_job { BLOCK }	287	=item cf::sync_job { BLOCK }
267		288
268	The design of crossfire+ requires that the main coro ($Coro::main) is	289	The design of crossfire+ requires that the main coro ($Coro::main) is
269	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
…		…
283	# this is the main coro, too bad, we have to block	304	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	305	# till the operation succeeds, freezing the server :/
285		306
286	# TODO: use suspend/resume instead	307	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	308	# (but this is cancel-safe)
288	local $FREEZE = 1;	309	my $freeze_guard = freeze_mainloop;
289		310
290	my $busy = 1;	311	my $busy = 1;
291	my @res;	312	my @res;
292		313
293	(Coro::async {	314	(async {
294	@res = eval { $job->() };	315	@res = eval { $job->() };
295	warn $@ if $@;	316	warn $@ if $@;
296	undef $busy;	317	undef $busy;
297	})->prio (Coro::PRIO_MAX);	318	})->prio (Coro::PRIO_MAX);
298		319
299	while ($busy) {	320	while ($busy) {
300	Coro::cede_notself;	321	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	322	}
303		323
304	wantarray ? @res : $res[0]	324	wantarray ? @res : $res[0]
305	} else {	325	} else {
306	# we are in another coroutine, how wonderful, everything just works	326	# we are in another coroutine, how wonderful, everything just works
307		327
308	$job->()	328	$job->()
309	}	329	}
310	}	330	}
311		331
312	=item $coro = cf::coro { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
313		333
314	Creates and returns a new coro. This coro is automcatially being canceled	334	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	335	extension calling this is being unloaded.
316		336
317	=cut	337	=cut
318		338
319	sub coro(&) {	339	sub async_ext(&) {
320	my $cb = shift;	340	my $cb = shift;
321		341
322	my $coro = &cf::async ($cb);	342	my $coro = &Coro::async ($cb);
323		343
324	$coro->on_destroy (sub {	344	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	345	delete $EXT_CORO{$coro+0};
326	});	346	});
327	$EXT_CORO{$coro+0} = $coro;	347	$EXT_CORO{$coro+0} = $coro;
328		348
329	$coro	349	$coro
330	}	350	}
331		351
332	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
333	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
334		356
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	358	or return;
337		359
		360	my $value = $cf::RUNTIME + 90 + 10;
338	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
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	365	and return;
341		366
		367	# always fsync - this file is important
342	aio_fsync $fh	368	aio_fsync $fh
343	and return;	369	and return;
344		370
345	close $fh	371	close $fh
346	or return;	372	or return;
…		…
349	and return;	375	and return;
350		376
351	1	377	1
352	}	378	}
353		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
354	=back	391	=back
355		392
356	=cut	393	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		394
478	#############################################################################	395	#############################################################################
479		396
480	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
481		398
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	525	our @CB_MAP = ();
609		526
610	my %attachment;	527	my %attachment;
611		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
612	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
614		537
615	use sort 'stable';	538	use sort 'stable';
616		539
…		…
787	# object support	710	# object support
788		711
789	sub reattach {	712	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		717
793	my $registry = $obj->registry;	718	my $registry = $obj->registry;
794		719
795	@$registry = ();	720	@$registry = ();
796		721
…		…
843	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
844		769
845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
848	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
849	close $fh;	774	close $fh;
850		775
851	if (@$objs) {	776	if (@$objs) {
852	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) {
853	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
854	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
855	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
856	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
857	close $fh;	782	close $fh;
858	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
859	}	784	}
860	} else {	785	} else {
861	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
928	=cut	853	=cut
929		854
930	sub register_extcmd {	855	sub register_extcmd {
931	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
932		857
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
937	}	859	}
938		860
939	cf::player->attach (	861	cf::player->attach (
940	on_command => sub {	862	on_command => sub {
941	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
954		876
955	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
956		878
957	if (ref $msg) {	879	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	883	}
962	}	884	}
963	} else {	885	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		888
967	cf::override;	889	cf::override;
968	},	890	},
969	);	891	);
970		892
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	893	sub load_extension {
978	my ($path) = @_;	894	my ($path) = @_;
979		895
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	897	my $base = $1;
982	my $pkg = $1;	898	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
985		901
986	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
987		903
988	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
989	or die "$path: $!";	905	or die "$path: $!";
990		906
991	my $source =	907	my $source =
992	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
995	. "\n};\n1";	911	. "\n};\n1";
996		912
997	eval $source	913	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	915	: "extension disabled.\n";
1000		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	917	warn $@;
1002	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
1003		919	exit 1;
1004	# no strict 'refs';	920	}
1005	# @{"$pkg\::ISA"} = ext::;	921	die $@;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	922	}
1020		923
1021	# remove commands	924	push @EXTS, $pkg;
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	925	}
1046		926
1047	sub load_extensions {	927	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	929	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1054	}	934	}
1055	}	935	}
1056		936
1057	#############################################################################	937	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		938
1095	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1096		940
1097	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1098		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1099	=head3 cf::player	949	=head3 cf::player
1100		950
1101	=over 4	951	=over 4
1102		952
1103	=item cf::player::exists $login	953	=item cf::player::find $login
1104		954
1105	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1106		956
1107	=cut	957	=cut
1108		958
1109	sub cf::player::exists($) {	959	sub playerdir($) {
1110	cf::player::find $_[0]	960	cf::localdir
1111	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])
1112	}	965	}
1113		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
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1115		1139
1116	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1117		1141
1118	=cut	1142	=cut
1119		1143
1120	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1121	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1122		1146
1123	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1124		1148
1125	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
1126	}	1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	package cf;
1127		1165
1128	=back	1166	=back
1129		1167
1130		1168
1131	=head3 cf::map	1169	=head3 cf::map
…		…
1137	package cf::map;	1175	package cf::map;
1138		1176
1139	use Fcntl;	1177	use Fcntl;
1140	use Coro::AIO;	1178	use Coro::AIO;
1141		1179
		1180	use overload
		1181	'""' => \&as_string,
		1182	fallback => 1;
		1183
1142	our $MAX_RESET = 7200;	1184	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1185	our $DEFAULT_RESET = 3000;
1144		1186
1145	sub generate_random_map {	1187	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1188	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1189	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1190	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1194	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1195	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1196	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1197	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1198	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$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},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1200	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(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
1162	}	1332	}
1163		1333
1164	# and all this just because we cannot iterate over	1334	# and all this just because we cannot iterate over
1165	# all maps in C++...	1335	# all maps in C++...
1166	sub change_all_map_light {	1336	sub change_all_map_light {
…		…
1168		1338
1169	$_->change_map_light ($change)	1339	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1340	for grep $_->outdoor, values %cf::MAP;
1171	}	1341	}
1172		1342
		1343	sub unlink_save {
		1344	my ($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
1173	sub try_load_header($) {	1351	sub load_header_from($) {
1174	my ($path) = @_;	1352	my ($self, $path) = @_;
1175		1353
1176	utf8::encode $path;	1354	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1355	#aio_open $path, O_RDONLY, 0
		1356	# or return;
		1357
		1358	$self->_load_header ($path)
1178	or return;	1359	or return;
1179		1360
1180	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
1181	or return;	1404	or return;
		1405	$self->prepare_orig;
		1406	}
1182		1407
1183	$map->load_header ($path)	1408	1
1184	or return;
1185
1186	$map->{load_path} = $path;
1187
1188	$map
1189	}	1409	}
1190		1410
1191	sub find_map;	1411	sub find;
1192	sub find_map {	1412	sub find {
1193	my ($path, $origin) = @_;	1413	my ($path, $origin) = @_;
1194		1414
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1415	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1416
1200	cf::lock_wait "map_find:$key";	1417	cf::lock_wait "map_find:$path";
1201		1418
1202	$cf::MAP{$key} || do {	1419	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1420	my $guard = cf::lock_acquire "map_find:$path";
1204		1421	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1422	or return;
1220		1423
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1424	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1425
1234	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;
1235	$map->reset;	1432	$map->reset;
1236	undef $guard;	1433	undef $guard;
1237	$map = find_map $path	1434	return find $path;
1238	or return;
1239	}	1435	}
1240		1436
1241	$cf::MAP{$key} = $map	1437	$cf::MAP{$path} = $map
1242	}	1438	}
1243	}	1439	}
		1440
		1441	sub pre_load { }
		1442	sub post_load { }
1244		1443
1245	sub load {	1444	sub load {
1246	my ($self) = @_;	1445	my ($self) = @_;
1247		1446
		1447	local $self->{deny_reset} = 1; # loading can take a long time
		1448
1248	my $path = $self->{path};	1449	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1450	my $guard = cf::lock_acquire "map_load:$path";
1250		1451
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1452	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1453
1253	$self->in_memory (cf::MAP_LOADING);	1454	$self->in_memory (cf::MAP_LOADING);
1254		1455
1255	$self->alloc;	1456	$self->alloc;
		1457
		1458	$self->pre_load;
		1459
1256	$self->load_objects ($self->{load_path}, 1)	1460	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1461	or return;
1258		1462
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1464	if delete $self->{load_original};
1261		1465
1262	if (my $uniq = $path->uniq_path) {	1466	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1467	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1468	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1469	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1470	$self->_load_objects ($uniq, 0);
1267	}	1471	}
1268	}	1472	}
		1473
		1474	Coro::cede;
1269		1475
1270	# now do the right thing for maps	1476	# now do the right thing for maps
1271	$self->link_multipart_objects;	1477	$self->link_multipart_objects;
1272		1478
1273	if ($self->{path}->is_style_map) {	1479	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1480	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1481	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1482	$self->update_buttons;
		1483	Coro::cede;
1280	$self->set_darkness_map;	1484	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1485	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1486	unless $self->difficulty;
		1487	Coro::cede;
1283	$self->activate;	1488	$self->activate;
1284	}	1489	}
1285		1490
		1491	$self->post_load;
		1492
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1493	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1494	}
1288		1495
1289	sub load_map_sync {	1496	sub customise_for {
		1497	my ($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	$neigh->load;
		1526	}
		1527	}
		1528
		1529	sub find_sync {
1290	my ($path, $origin) = @_;	1530	my ($path, $origin) = @_;
1291		1531
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1532	cf::sync_job { find $path, $origin }
		1533	}
1293		1534
1294	cf::sync_job {	1535	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1536	my ($map) = @_;
1296	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;
1297	$map->load;	1559	$map->load;
1298	$map	1560
		1561	delete $MAP_PREFETCH{$path};
		1562	}
		1563	}
		1564	undef $MAP_PREFETCHER;
1299	}	1565	};
		1566	$MAP_PREFETCHER->prio (6);
		1567
		1568	()
1300	}	1569	}
1301		1570
1302	sub save {	1571	sub save {
1303	my ($self) = @_;	1572	my ($self) = @_;
1304		1573
		1574	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1575
1305	$self->{last_save} = $cf::RUNTIME;	1576	$self->{last_save} = $cf::RUNTIME;
1306		1577
1307	return unless $self->dirty;	1578	return unless $self->dirty;
1308		1579
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1580	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1581	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1582
1312	$self->{load_path} = $save;	1583	$self->{load_path} = $save;
1313		1584
1314	return if $self->{deny_save};	1585	return if $self->{deny_save};
1315		1586
		1587	local $self->{last_access} = $self->last_access;#d#
		1588
		1589	cf::async {
		1590	$_->contr->save for $self->players;
		1591	};
		1592
1316	if ($uniq) {	1593	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1596	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1597	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1598	}
1322	}	1599	}
1323		1600
1324	sub swap_out {	1601	sub swap_out {
1325	my ($self) = @_;	1602	my ($self) = @_;
		1603
		1604	# save first because save cedes
		1605	$self->save;
		1606
		1607	my $lock = cf::lock_acquire "map_data:" . $self->path;
1326		1608
1327	return if $self->players;	1609	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;	1610	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};	1611	return if $self->{deny_save};
1330		1612
1331	$self->save;
1332	$self->clear;	1613	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);	1614	$self->in_memory (cf::MAP_SWAPPED);
1334	}	1615	}
1335		1616
1336	sub reset_at {	1617	sub reset_at {
1337	my ($self) = @_;	1618	my ($self) = @_;
1338		1619
1339	# TODO: safety, remove and allow resettable per-player maps	1620	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1622	return 1e99 if $self->{deny_reset};
1342		1623
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1626
…		…
1350	my ($self) = @_;	1631	my ($self) = @_;
1351		1632
1352	$self->reset_at <= $cf::RUNTIME	1633	$self->reset_at <= $cf::RUNTIME
1353	}	1634	}
1354		1635
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1636	sub reset {
1377	my ($self) = @_;	1637	my ($self) = @_;
1378		1638
		1639	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1640
1379	return if $self->players;	1641	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1642	return if $self->isa ("ext::map_per_player");#d#
1381		1643
1382	warn "resetting map ", $self->path;#d#	1644	warn "resetting map ", $self->path;#d#
1383		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
1384	delete $cf::MAP{$self->path};	1656	delete $cf::MAP{$self->path};
		1657
		1658	$self->clear;
1385		1659
1386	$_->clear_links_to ($self) for values %cf::MAP;	1660	$_->clear_links_to ($self) for values %cf::MAP;
1387		1661
1388	$self->unlink_save;	1662	$self->unlink_save;
1389	$self->destroy;	1663	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1666	my $nuke_counter = "aaaa";
1393		1667
1394	sub nuke {	1668	sub nuke {
1395	my ($self) = @_;	1669	my ($self) = @_;
1396		1670
		1671	delete $cf::MAP{$self->path};
		1672
		1673	$self->unlink_save;
		1674
		1675	bless $self, "cf::map";
		1676	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1677	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1678	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1680
		1681	$cf::MAP{$self->path} = $self;
		1682
1400	$self->reset; # polite request, might not happen	1683	$self->reset; # polite request, might not happen
1401	}	1684	}
1402		1685
1403	sub customise_for {	1686	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1687
1406	if ($map->per_player) {	1688	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1689	instantiated unique items. May block.
1408	}
1409		1690
1410	$map	1691	=cut
1411	}
1412		1692
1413	sub emergency_save {	1693	sub unique_maps() {
1414	local $cf::FREEZE = 1;	1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1695	or return;
1415		1696
1416	warn "enter emergency map save\n";	1697	my @paths;
1417		1698
1418	cf::sync_job {	1699	for (@$files) {
1419	warn "begin emergency map save\n";	1700	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1701	next if /\.pst$/;
		1702	next unless /^$PATH_SEP/o;
		1703
		1704	push @paths, cf::map::normalise $_;
1421	};	1705	}
1422		1706
1423	warn "end emergency map save\n";	1707	\@paths
1424	}	1708	}
1425		1709
1426	package cf;	1710	package cf;
1427		1711
1428	=back	1712	=back
1429		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
1430		1740
1431	=head3 cf::object::player	1741	=head3 cf::object::player
1432		1742
1433	=over 4	1743	=over 4
1434		1744
…		…
1474		1784
1475	=item $player_object->enter_link	1785	=item $player_object->enter_link
1476		1786
1477	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}>).
1478		1788
1479	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
1480	I<MUST> call C<leave_link> as soon as possible, though.	1790	I<MUST> call C<leave_link> as soon as possible, though.
1481		1791
		1792	Will never block.
		1793
1482	=item $player_object->leave_link ($map, $x, $y)	1794	=item $player_object->leave_link ($map, $x, $y)
1483		1795
1484	Moves the player out of the specila link map onto the given map. If the	1796	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1797	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1798	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1799	fails, to the emergency map position.
1488		1800
1489	Might block.	1801	Might block.
1490		1802
1491	=cut	1803	=cut
		1804
		1805	sub link_map {
		1806	unless ($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	$LINK_MAP
		1813	}
1492		1814
1493	sub cf::object::player::enter_link {	1815	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1816	my ($self) = @_;
1495		1817
1496	$self->deactivate_recursive;	1818	$self->deactivate_recursive;
1497		1819
1498	return if $self->map == $LINK_MAP;	1820	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1821
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1823	if $self->map;
1502		1824
1503	$self->enter_map ($LINK_MAP, 20, 20);	1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	1826	}
1505		1827
1506	sub cf::object::player::leave_link {	1828	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1829	my ($self, $map, $x, $y) = @_;
1508		1830
1509	my $link_pos = delete $self->{_link_pos};	1831	my $link_pos = delete $self->{_link_pos};
1510		1832
1511	unless ($map) {	1833	unless ($map) {
1512	# restore original map position	1834	# restore original map position
1513	($map, $x, $y) = @{ $link_pos || [] };	1835	($map, $x, $y) = @{ $link_pos || [] };
1514	$map = cf::map::find_map $map;	1836	$map = cf::map::find $map;
1515		1837
1516	unless ($map) {	1838	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	1839	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	1840	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	1841	or die "FATAL: cannot load emergency map\n";
1520	}	1842	}
1521	}	1843	}
1522		1844
1523	($x, $y) = (-1, -1)	1845	($x, $y) = (-1, -1)
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1848	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1849	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1850	if $x <=0 && $y <= 0;
1529		1851
1530	$map->load;	1852	$map->load;
		1853	$map->load_diag;
1531		1854
		1855	return unless $self->contr->active;
1532	$self->activate_recursive;	1856	$self->activate_recursive;
		1857
		1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1533	$self->enter_map ($map, $x, $y);	1859	$self->enter_map ($map, $x, $y);
1534	}	1860	}
1535		1861
1536	cf::player->attach (	1862	cf::player->attach (
1537	on_logout => sub {	1863	on_logout => sub {
…		…
1549		1875
1550	# try to abort aborted map switching on player login :)	1876	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1877	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1878	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1879	$pl->ob->enter_link;
1554	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);
1555	# 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
1556	# 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
1557	Coro::Timer::sleep 1;	1887	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1888	$pl->ob->leave_link;
1559	};	1889	})->prio (2);
1560	}	1890	}
1561	},	1891	},
1562	);	1892	);
1563		1893
1564	=item $player_object->goto_map ($path, $x, $y)	1894	=item $player_object->goto ($path, $x, $y)
1565		1895
1566	=cut	1896	=cut
1567		1897
1568	sub cf::object::player::goto_map {	1898	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1899	my ($self, $path, $x, $y) = @_;
1570		1900
1571	$self->enter_link;	1901	$self->enter_link;
1572		1902
1573	(cf::async {	1903	(async {
1574	$path = new cf::path $path;	1904	my $map = eval {
1575
1576	my $map = cf::map::find_map $path->as_string;	1905	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1906	$map = $map->customise_for ($self) if $map;
1578		1907	$map
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1908	} or
1580	# if $map;
1581
1582	$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);
1583		1910
1584	$self->leave_link ($map, $x, $y);	1911	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1912	})->prio (1);
1586	}	1913	}
1587		1914
…		…
1591		1918
1592	sub parse_random_map_params {	1919	sub parse_random_map_params {
1593	my ($spec) = @_;	1920	my ($spec) = @_;
1594		1921
1595	my $rmp = { # defaults	1922	my $rmp = { # defaults
1596	xsize => 10,	1923	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1924	ysize => (cf::rndm 15, 40),
		1925	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1926	#layout => string,
1598	};	1927	};
1599		1928
1600	for (split /\n/, $spec) {	1929	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1930	my ($k, $v) = split /\s+/, $_, 2;
1602		1931
…		…
1606	$rmp	1935	$rmp
1607	}	1936	}
1608		1937
1609	sub prepare_random_map {	1938	sub prepare_random_map {
1610	my ($exit) = @_;	1939	my ($exit) = @_;
		1940
		1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1942
1612	# all this does is basically replace the /! path by	1943	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1944	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1945	# that depends on the exit object
1615		1946
1616	my $rmp = parse_random_map_params $exit->msg;	1947	my $rmp = parse_random_map_params $exit->msg;
1617		1948
1618	if ($exit->map) {	1949	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	1950	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	1951	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	1952	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	1953	$rmp->{origin_y} = $exit->y;
1623	}	1954	}
1624		1955
1625	$rmp->{random_seed} ||= $exit->random_seed;	1956	$rmp->{random_seed} ||= $exit->random_seed;
1626		1957
1627	my $data = cf::to_json $rmp;	1958	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1959	my $md5 = Digest::MD5::md5_hex $data;
		1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1961
1630	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) {
1631	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;
1632		1966
1633	$exit->slaying ("?random/$md5");	1967	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1968	$exit->msg (undef);
1635	}	1969	}
1636	}	1970	}
…		…
1638	sub cf::object::player::enter_exit {	1972	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	1973	my ($self, $exit) = @_;
1640		1974
1641	return unless $self->type == cf::PLAYER;	1975	return unless $self->type == cf::PLAYER;
1642		1976
		1977	if ($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
1643	$self->enter_link;	1988	$self->enter_link;
1644		1989
1645	(cf::async {	1990	(async {
		1991	$self->deactivate_recursive; # just to be sure
1646	unless (eval {	1992	unless (eval {
1647	prepare_random_map $exit	1993	$self->goto ($slaying, $hp, $sp);
1648	if $exit->slaying eq "/!";
1649
1650	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1652		1994
1653	1;	1995	1;
1654	}) {	1996	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	1997	$self->message ("Something went wrong deep within the crossfire server. "
1656	. "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. "
1657	. "Please report this to the dungeon master",	1999	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE | cf::NDI_RED);	2000	cf::NDI_UNIQUE | cf::NDI_RED);
1659		2001
1660	warn "ERROR in enter_exit: $@";	2002	warn "ERROR in enter_exit: $@";
1661	$self->leave_link;	2003	$self->leave_link;
1662	}	2004	}
1663	})->prio (1);	2005	})->prio (1);
…		…
1676		2018
1677	sub cf::client::send_drawinfo {	2019	sub cf::client::send_drawinfo {
1678	my ($self, $text, $flags) = @_;	2020	my ($self, $text, $flags) = @_;
1679		2021
1680	utf8::encode $text;	2022	utf8::encode $text;
1681	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1682	}	2024	}
1683		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	}
1684		2038
1685	=item $success = $client->query ($flags, "text", \&cb)	2039	=item $success = $client->query ($flags, "text", \&cb)
1686		2040
1687	Queues a query to the client, calling the given callback with	2041	Queues a query to the client, calling the given callback with
1688	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>,
…		…
1717	# get handled first	2071	# get handled first
1718	my $queue = delete $ns->{query_queue}	2072	my $queue = delete $ns->{query_queue}
1719	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
1720		2074
1721	(shift @$queue)->[1]->($msg);	2075	(shift @$queue)->[1]->($msg);
		2076	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1722		2077
1723	push @{ $ns->{query_queue} }, @$queue;	2078	push @{ $ns->{query_queue} }, @$queue;
1724		2079
1725	if (@{ $ns->{query_queue} } == @$queue) {	2080	if (@{ $ns->{query_queue} } == @$queue) {
1726	if (@$queue) {	2081	if (@$queue) {
…		…
1730	}	2085	}
1731	}	2086	}
1732	},	2087	},
1733	);	2088	);
1734		2089
1735	=item $client->coro (\&cb)	2090	=item $client->async (\&cb)
1736		2091
1737	Create a new coroutine, running the specified callback. The coroutine will	2092	Create a new coroutine, running the specified callback. The coroutine will
1738	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,
1739	or loss of connection).	2094	or loss of connection).
1740		2095
1741	=cut	2096	=cut
1742		2097
1743	sub cf::client::coro {	2098	sub cf::client::async {
1744	my ($self, $cb) = @_;	2099	my ($self, $cb) = @_;
1745		2100
1746	my $coro = &cf::async ($cb);	2101	my $coro = &Coro::async ($cb);
1747		2102
1748	$coro->on_destroy (sub {	2103	$coro->on_destroy (sub {
1749	delete $self->{_coro}{$coro+0};	2104	delete $self->{_coro}{$coro+0};
1750	});	2105	});
1751		2106
…		…
1784		2139
1785	# here we export the classes and methods available to script code	2140	# here we export the classes and methods available to script code
1786		2141
1787	=pod	2142	=pod
1788		2143
1789	The following fucntions and emthods are available within a safe environment:	2144	The following functions and methods are available within a safe environment:
1790		2145
1791	cf::object contr pay_amount pay_player map	2146	cf::object contr pay_amount pay_player map
1792	cf::object::player player	2147	cf::object::player player
1793	cf::player peaceful	2148	cf::player peaceful
1794	cf::map trigger	2149	cf::map trigger
…		…
1887	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
1888	using it, it should be unique.	2243	using it, it should be unique.
1889		2244
1890	=over 4	2245	=over 4
1891		2246
1892	=item $hashref = cf::db_get $family
1893
1894	Return a hashref for use by the extension C<$family>, which can be
1895	modified. After modifications, you have to call C<cf::db_dirty> or
1896	C<cf::db_sync>.
1897
1898	=item $value = cf::db_get $family => $key	2247	=item $value = cf::db_get $family => $key
1899		2248
1900	Returns a single value from the database	2249	Returns a single value from the database.
1901
1902	=item cf::db_put $family => $hashref
1903
1904	Stores the given family hashref into the database. Updates are delayed, if
1905	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1906		2250
1907	=item cf::db_put $family => $key => $value	2251	=item cf::db_put $family => $key => $value
1908		2252
1909	Stores the given C<$value> in the family hash. Updates are delayed, if you	2253	Stores the given C<$value> in the family.
1910	want the data to be synced to disk immediately, use C<cf::db_sync>.
1911
1912	=item cf::db_dirty
1913
1914	Marks the database as dirty, to be updated at a later time.
1915
1916	=item cf::db_sync
1917
1918	Immediately write the database to disk I<if it is dirty>.
1919		2254
1920	=cut	2255	=cut
1921		2256
1922	our $DB;	2257	our $DB;
1923		2258
1924	{	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
1925	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;
1926		2278
1927	sub db_load() {	2279	cf::db_put (board => data => $pst->{board});
1928	$DB = stat $path ? Storable::retrieve $path : { };	2280	cf::db_put (guildrules => data => $pst->{guildrules});
1929	}	2281	cf::db_put (rent => balance => $pst->{rent}{balance});
		2282	BDB::db_env_txn_checkpoint $DB_ENV;
1930		2283
1931	my $pid;	2284	unlink $path;
1932
1933	sub db_save() {
1934	waitpid $pid, 0 if $pid;
1935	if (0 == ($pid = fork)) {
1936	$DB->{_meta}{version} = 1;
1937	Storable::nstore $DB, "$path~";
1938	rename "$path~", $path;
1939	cf::_exit 0 if defined $pid;
1940	}	2285	};
1941	}
1942
1943	my $dirty;
1944
1945	sub db_sync() {
1946	db_save if $dirty;
1947	undef $dirty;
1948	}
1949
1950	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1951	db_sync;
1952	});
1953
1954	sub db_dirty() {
1955	$dirty = 1;
1956	$idle->start;
1957	}
1958
1959	sub db_get($;$) {
1960	@_ >= 2
1961	? $DB->{$_[0]}{$_[1]}
1962	: ($DB->{$_[0]} ||= { })
1963	}
1964
1965	sub db_put($$;$) {
1966	if (@_ >= 3) {
1967	$DB->{$_[0]}{$_[1]} = $_[2];
1968	} else {
1969	$DB->{$_[0]} = $_[1];
1970	}
1971	db_dirty;
1972	}
1973
1974	cf::global->attach (
1975	prio => 10000,
1976	on_cleanup => sub {
1977	db_sync;
1978	},	2286	}
1979	);	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 { };
1980	}	2304	}
1981		2305
1982	#############################################################################	2306	#############################################################################
1983	# 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	}
1984		2371
1985	sub cfg_load {	2372	sub cfg_load {
1986	open my $fh, "<:utf8", cf::confdir . "/config"	2373	open my $fh, "<:utf8", cf::confdir . "/config"
1987	or return;	2374	or return;
1988		2375
1989	local $/;	2376	local $/;
1990	*CFG = YAML::Syck::Load <$fh>;	2377	*CFG = YAML::Syck::Load <$fh>;
		2378
		2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		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
		2384	if (exists $CFG{mlockall}) {
		2385	eval {
		2386	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2387	and die "WARNING: m(un)lockall failed: $!\n";
		2388	};
		2389	warn $@ if $@;
		2390	}
1991	}	2391	}
1992		2392
1993	sub main {	2393	sub main {
1994	# we must not ever block the main coroutine	2394	# we must not ever block the main coroutine
1995	local $Coro::idle = sub {	2395	local $Coro::idle = sub {
1996	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#
1997	(Coro::unblock_sub {	2397	(async {
1998	Event::one_event;	2398	Event::one_event;
1999	})->();	2399	})->prio (Coro::PRIO_MAX);
2000	};	2400	};
2001		2401
2002	cfg_load;	2402	cfg_load;
2003	db_load;	2403	db_init;
2004	load_extensions;	2404	load_extensions;
		2405
		2406	$TICK_WATCHER->start;
2005	Event::loop;	2407	Event::loop;
2006	}	2408	}
2007		2409
2008	#############################################################################	2410	#############################################################################
2009	# 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 $make_core;
		2466	}
2010		2467
2011	sub reload() {	2468	sub reload() {
2012	# can/must only be called in main	2469	# can/must only be called in main
2013	if ($Coro::current != $Coro::main) {	2470	if ($Coro::current != $Coro::main) {
2014	warn "can only reload from main coroutine\n";	2471	warn "can only reload from main coroutine";
2015	return;	2472	return;
2016	}	2473	}
2017		2474
2018	warn "reloading...";	2475	warn "reloading...";
2019		2476
2020	local $FREEZE = 1;	2477	warn "entering sync_job";
		2478
		2479	cf::sync_job {
		2480	cf::write_runtime; # external watchdog should not bark
2021	cf::emergency_save;	2481	cf::emergency_save;
		2482	cf::write_runtime; # external watchdog should not bark
2022		2483
2023	eval {	2484	warn "syncing database to disk";
		2485	BDB::db_env_txn_checkpoint $DB_ENV;
		2486
2024	# 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
2025		2488
2026	# cancel all watchers	2489	warn "cancelling all WF_AUTOCANCEL watchers";
2027	for (Event::all_watchers) {	2490	for (Event::all_watchers) {
2028	$_->cancel if $_->data & WF_AUTOCANCEL;	2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2029	}	2492	}
2030		2493
		2494	warn "flushing outstanding aio requests";
		2495	for (;;) {
		2496	BDB::flush;
		2497	IO::AIO::flush;
		2498	Coro::cede;
		2499	last unless IO::AIO::nreqs || BDB::nreqs;
		2500	warn "iterate...";
		2501	}
		2502
		2503	++$RELOAD;
		2504
2031	# cancel all extension coros	2505	warn "cancelling all extension coros";
2032	$_->cancel for values %EXT_CORO;	2506	$_->cancel for values %EXT_CORO;
2033	%EXT_CORO = ();	2507	%EXT_CORO = ();
2034		2508
2035	# unload all extensions	2509	warn "removing commands";
2036	for (@exts) {	2510	%COMMAND = ();
		2511
		2512	warn "removing ext commands";
		2513	%EXTCMD = ();
		2514
		2515	warn "unloading/nuking all extensions";
		2516	for my $pkg (@EXTS) {
2037	warn "unloading <$_>";	2517	warn "... unloading $pkg";
2038	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: $@";
2039	}	2524	}
2040		2525
		2526	warn "... nuking $pkg";
		2527	Symbol::delete_package $pkg;
		2528	}
		2529
2041	# unload all modules loaded from $LIBDIR	2530	warn "unloading all perl modules loaded from $LIBDIR";
2042	while (my ($k, $v) = each %INC) {	2531	while (my ($k, $v) = each %INC) {
2043	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2044		2533
2045	warn "removing <$k>";	2534	warn "... unloading $k";
2046	delete $INC{$k};	2535	delete $INC{$k};
2047		2536
2048	$k =~ s/\.pm$//;	2537	$k =~ s/\.pm$//;
2049	$k =~ s/\//::/g;	2538	$k =~ s/\//::/g;
2050		2539
…		…
2053	}	2542	}
2054		2543
2055	Symbol::delete_package $k;	2544	Symbol::delete_package $k;
2056	}	2545	}
2057		2546
2058	# sync database to disk
2059	cf::db_sync;
2060	IO::AIO::flush;
2061
2062	# get rid of safe::, as good as possible	2547	warn "getting rid of safe::, as good as possible";
2063	Symbol::delete_package "safe::$_"	2548	Symbol::delete_package "safe::$_"
2064	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);
2065		2550
2066	# remove register_script_function callbacks
2067	# TODO
2068
2069	# unload cf.pm "a bit"	2551	warn "unloading cf.pm \"a bit\"";
2070	delete $INC{"cf.pm"};	2552	delete $INC{"cf.pm"};
2071		2553
2072	# don't, removes xs symbols, too,	2554	# don't, removes xs symbols, too,
2073	# and global variables created in xs	2555	# and global variables created in xs
2074	#Symbol::delete_package __PACKAGE__;	2556	#Symbol::delete_package __PACKAGE__;
2075		2557
2076	# reload cf.pm	2558	warn "unload completed, starting to reload now";
		2559
2077	warn "reloading cf.pm";	2560	warn "reloading cf.pm";
2078	require cf;	2561	require cf;
2079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2080		2563
2081	# load config and database again	2564	warn "loading config and database again";
2082	cf::cfg_load;	2565	cf::cfg_load;
2083	cf::db_load;
2084		2566
2085	# load extensions
2086	warn "load extensions";	2567	warn "loading extensions";
2087	cf::load_extensions;	2568	cf::load_extensions;
2088		2569
2089	# reattach attachments to objects	2570	warn "reattaching attachments to objects/players";
2090	warn "reattach";	2571	_global_reattach; # objects, sockets
2091	_global_reattach;	2572	warn "reattaching attachments to maps";
2092	};	2573	reattach $_ for values %MAP;
		2574	warn "reattaching attachments to players";
		2575	reattach $_ for values %PLAYER;
2093		2576
2094	if ($@) {	2577	warn "loading reloadable resources";
		2578	reload_resources;
		2579
		2580	warn "leaving sync_job";
		2581
		2582	1
		2583	} or do {
2095	warn $@;	2584	warn $@;
2096	warn "error while reloading, exiting.";	2585	warn "error while reloading, exiting.";
2097	exit 1;	2586	exit 1;
2098	}	2587	};
2099		2588
2100	warn "reloaded successfully";	2589	warn "reloaded";
2101	};	2590	};
2102		2591
2103	#############################################################################	2592	our $RELOAD_WATCHER; # used only during reload
2104
2105	unless ($LINK_MAP) {
2106	$LINK_MAP = cf::map::new;
2107
2108	$LINK_MAP->width (41);
2109	$LINK_MAP->height (41);
2110	$LINK_MAP->alloc;
2111	$LINK_MAP->path ("{link}");
2112	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2113	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2114
2115	# dirty hack because... archetypes are not yet loaded
2116	Event->timer (
2117	after => 2,
2118	cb => sub {
2119	$_[0]->w->cancel;
2120
2121	# provide some exits "home"
2122	my $exit = cf::object::new "exit";
2123
2124	$exit->slaying ($EMERGENCY_POSITION->[0]);
2125	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2126	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2127
2128	$LINK_MAP->insert ($exit->clone, 19, 19);
2129	$LINK_MAP->insert ($exit->clone, 19, 20);
2130	$LINK_MAP->insert ($exit->clone, 19, 21);
2131	$LINK_MAP->insert ($exit->clone, 20, 19);
2132	$LINK_MAP->insert ($exit->clone, 20, 21);
2133	$LINK_MAP->insert ($exit->clone, 21, 19);
2134	$LINK_MAP->insert ($exit->clone, 21, 20);
2135	$LINK_MAP->insert ($exit->clone, 21, 21);
2136
2137	$exit->destroy;
2138	});
2139
2140	$LINK_MAP->{deny_save} = 1;
2141	$LINK_MAP->{deny_reset} = 1;
2142
2143	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2144	}
2145
2146	register "<global>", __PACKAGE__;
2147		2593
2148	register_command "reload" => sub {	2594	register_command "reload" => sub {
2149	my ($who, $arg) = @_;	2595	my ($who, $arg) = @_;
2150		2596
2151	if ($who->flag (FLAG_WIZ)) {	2597	if ($who->flag (FLAG_WIZ)) {
2152	$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 {
2153	reload;	2608	reload;
2154	$who->message ("end of reload.");	2609	undef $RELOAD_WATCHER;
		2610	},
		2611	);
2155	}	2612	}
2156	};	2613	};
2157		2614
2158	unshift @INC, $LIBDIR;	2615	unshift @INC, $LIBDIR;
		2616
		2617	my $bug_warning = 0;
2159		2618
2160	$TICK_WATCHER = Event->timer (	2619	$TICK_WATCHER = Event->timer (
2161	reentrant => 0,	2620	reentrant => 0,
		2621	parked => 1,
2162	prio => 0,	2622	prio => 0,
2163	at => $NEXT_TICK || $TICK,	2623	at => $NEXT_TICK || $TICK,
2164	data => WF_AUTOCANCEL,	2624	data => WF_AUTOCANCEL,
2165	cb => sub {	2625	cb => sub {
2166	unless ($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
2167	cf::server_tick; # one server iteration	2634	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2635	$RUNTIME += $TICK;
2169	}
2170
2171	$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#
2172		2651
2173	# 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
2174	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2175		2654
2176	$TICK_WATCHER->at ($NEXT_TICK);	2655	$TICK_WATCHER->at ($NEXT_TICK);
2177	$TICK_WATCHER->start;	2656	$TICK_WATCHER->start;
2178	},	2657	},
2179	);	2658	);
2180		2659
		2660	{
2181	IO::AIO::max_poll_time $TICK * 0.2;	2661	BDB::max_poll_time $TICK * 0.1;
2182		2662	$BDB_POLL_WATCHER = Event->io (
2183	Event->io (	2663	reentrant => 0,
2184	fd => IO::AIO::poll_fileno,	2664	fd => BDB::poll_fileno,
2185	poll => 'r',	2665	poll => 'r',
2186	prio => 5,	2666	prio => 0,
2187	data => WF_AUTOCANCEL,
2188	cb => \&IO::AIO::poll_cb,
2189	);
2190
2191	Event->timer (
2192	data => WF_AUTOCANCEL,	2667	data => WF_AUTOCANCEL,
2193	after => 0,	2668	cb => \&BDB::poll_cb,
2194	interval => 10,	2669	);
2195	cb => sub {	2670	BDB::min_parallel 8;
2196	(Coro::unblock_sub {	2671
2197	write_runtime	2672	BDB::set_sync_prepare {
2198	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 $@;
2199	})->();	2706	};
2200	},	2707	}
2201	);	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	}
2202		2724
2203	END { cf::emergency_save }	2725	END { cf::emergency_save }
2204		2726
2205	1	2727	1
2206		2728

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