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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.132 by root, Thu Jan 4 01:35:56 2007 UTC vs.
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
		24	use Data::Dumper;
20	use Digest::MD5;	25	use Digest::MD5;
21	use Fcntl;	26	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
		28	use IO::AIO 2.32 ();
24	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
25		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
27		39
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
30		42
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		44
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		46
35	our %COMMAND = ();	47	our %COMMAND = ();
36	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
38		54
		55	our $RELOAD; # number of reloads so far
39	our @EVENT;	56	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
41		58
42	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	63	our $NEXT_TICK;
45	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
46		69
47	our %CFG;	70	our %CFG;
48		71
49	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	73	our $RUNTIME;
51		74
		75	our %PLAYER; # all users
52	our %MAP; # all maps	76	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	79	our $BDB_ENV_DIR = cf::localdir . "/db";
		80
		81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		83
		84	# used to convert map paths into valid unix filenames by replacing / by ∕
		85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		86
58	binmode STDOUT;	87	binmode STDOUT;
59	binmode STDERR;	88	binmode STDERR;
60		89
61	# read virtual server time, if available	90	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	97	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	98	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	99	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	100	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	101	mkdir $RANDOM_MAPS;
		102	mkdir $BDB_ENV_DIR;
73		103
74	# a special map that is always available
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($$%) {
1120	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1121		1146
1122	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1123		1148
1124	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	=head3 cf::region
		1165
		1166	=over 4
		1167
		1168	=cut
		1169
		1170	package cf::region;
		1171
		1172	=item cf::region::find_by_path $path
		1173
		1174	Tries to decuce the probable region for a map knowing only its path.
		1175
		1176	=cut
		1177
		1178	sub find_by_path($) {
		1179	my ($path) = @_;
		1180
		1181	my ($match, $specificity);
		1182
		1183	for my $region (list) {
		1184	if ($region->match && $path =~ $region->match) {
		1185	($match, $specificity) = ($region, $region->specificity)
		1186	if $region->specificity > $specificity;
		1187	}
		1188	}
		1189
		1190	$match
1125	}	1191	}
1126		1192
1127	=back	1193	=back
1128
1129		1194
1130	=head3 cf::map	1195	=head3 cf::map
1131		1196
1132	=over 4	1197	=over 4
1133		1198
…		…
1136	package cf::map;	1201	package cf::map;
1137		1202
1138	use Fcntl;	1203	use Fcntl;
1139	use Coro::AIO;	1204	use Coro::AIO;
1140		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1141	our $MAX_RESET = 7200;	1210	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1211	our $DEFAULT_RESET = 3000;
1143		1212
1144	sub generate_random_map {	1213	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1216	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(cf::region::find $rmp->{region})	1227	(cf::region::find $rmp->{region}), $rmp->{custom}
		1228	)
		1229	}
		1230
		1231	=item cf::map->register ($regex, $prio)
		1232
		1233	Register a handler for the map path matching the given regex at the
		1234	givne priority (higher is better, built-in handlers have priority 0, the
		1235	default).
		1236
		1237	=cut
		1238
		1239	sub register {
		1240	my (undef, $regex, $prio) = @_;
		1241	my $pkg = caller;
		1242
		1243	no strict;
		1244	push @{"$pkg\::ISA"}, __PACKAGE__;
		1245
		1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1247	}
		1248
		1249	# also paths starting with '/'
		1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1251
		1252	sub thawer_merge {
		1253	my ($self, $merge) = @_;
		1254
		1255	# we have to keep some variables in memory intact
		1256	local $self->{path};
		1257	local $self->{load_path};
		1258	local $self->{deny_save};
		1259	local $self->{deny_reset};
		1260
		1261	$self->SUPER::thawer_merge ($merge);
		1262	}
		1263
		1264	sub normalise {
		1265	my ($path, $base) = @_;
		1266
		1267	$path = "$path"; # make sure its a string
		1268
		1269	$path =~ s/\.map$//;
		1270
		1271	# map plan:
		1272	#
		1273	# /! non-realised random map exit (special hack!)
		1274	# {... are special paths that are not being touched
		1275	# ?xxx/... are special absolute paths
		1276	# ?random/... random maps
		1277	# /... normal maps
		1278	# ~user/... per-player map of a specific user
		1279
		1280	$path =~ s/$PATH_SEP/\//go;
		1281
		1282	# treat it as relative path if it starts with
		1283	# something that looks reasonable
		1284	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1285	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1286
		1287	$base =~ s{[^/]+/?$}{};
		1288	$path = "$base/$path";
		1289	}
		1290
		1291	for ($path) {
		1292	redo if s{//}{/};
		1293	redo if s{/\.?/}{/};
		1294	redo if s{/[^/]+/\.\./}{/};
		1295	}
		1296
		1297	$path
		1298	}
		1299
		1300	sub new_from_path {
		1301	my (undef, $path, $base) = @_;
		1302
		1303	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1304
		1305	$path = normalise $path, $base;
		1306
		1307	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1308	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1309	my $self = bless cf::map::new, $pkg;
		1310	$self->{path} = $path; $self->path ($path);
		1311	$self->init; # pass $1 etc.
		1312	return $self;
		1313	}
		1314	}
		1315
		1316	Carp::carp "unable to resolve path '$path' (base '$base').";
		1317	()
		1318	}
		1319
		1320	sub init {
		1321	my ($self) = @_;
		1322
		1323	$self
		1324	}
		1325
		1326	sub as_string {
		1327	my ($self) = @_;
		1328
		1329	"$self->{path}"
		1330	}
		1331
		1332	# the displayed name, this is a one way mapping
		1333	sub visible_name {
		1334	&as_string
		1335	}
		1336
		1337	# the original (read-only) location
		1338	sub load_path {
		1339	my ($self) = @_;
		1340
		1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1342	}
		1343
		1344	# the temporary/swap location
		1345	sub save_path {
		1346	my ($self) = @_;
		1347
		1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1350	}
		1351
		1352	# the unique path, undef == no special unique path
		1353	sub uniq_path {
		1354	my ($self) = @_;
		1355
		1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1161	}	1358	}
1162		1359
1163	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1164	# all maps in C++...	1361	# all maps in C++...
1165	sub change_all_map_light {	1362	sub change_all_map_light {
…		…
1167		1364
1168	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1170	}	1367	}
1171		1368
		1369	sub unlink_save {
		1370	my ($self) = @_;
		1371
		1372	utf8::encode (my $save = $self->save_path);
		1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1374	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1375	}
		1376
1172	sub try_load_header($) {	1377	sub load_header_from($) {
1173	my ($path) = @_;	1378	my ($self, $path) = @_;
1174		1379
1175	utf8::encode $path;	1380	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1177	or return;	1385	or return;
1178		1386
1179	my $map = cf::map::new	1387	$self->{load_path} = $path;
		1388
		1389	1
		1390	}
		1391
		1392	sub load_header_orig {
		1393	my ($self) = @_;
		1394
		1395	$self->load_header_from ($self->load_path)
		1396	}
		1397
		1398	sub load_header_temp {
		1399	my ($self) = @_;
		1400
		1401	$self->load_header_from ($self->save_path)
		1402	}
		1403
		1404	sub prepare_temp {
		1405	my ($self) = @_;
		1406
		1407	$self->last_access ((delete $self->{last_access})
		1408	|| $cf::RUNTIME); #d#
		1409	# safety
		1410	$self->{instantiate_time} = $cf::RUNTIME
		1411	if $self->{instantiate_time} > $cf::RUNTIME;
		1412	}
		1413
		1414	sub prepare_orig {
		1415	my ($self) = @_;
		1416
		1417	$self->{load_original} = 1;
		1418	$self->{instantiate_time} = $cf::RUNTIME;
		1419	$self->last_access ($cf::RUNTIME);
		1420	$self->instantiate;
		1421	}
		1422
		1423	sub load_header {
		1424	my ($self) = @_;
		1425
		1426	if ($self->load_header_temp) {
		1427	$self->prepare_temp;
		1428	} else {
		1429	$self->load_header_orig
1180	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1181		1433
1182	$map->load_header ($path)	1434	$self->default_region (cf::region::find_by_path $self->{path})
1183	or return;	1435	unless $self->default_region;
1184		1436
1185	$map->{load_path} = $path;	1437	1
1186
1187	$map
1188	}	1438	}
1189		1439
1190	sub find_map;	1440	sub find;
1191	sub find_map {	1441	sub find {
1192	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1193		1443
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1445
1199	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1200		1447
1201	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1203		1450	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	$map->last_access ((delete $map->{last_access})
1209	|| $cf::RUNTIME); #d#
1210	# safety
1211	$map->{instantiate_time} = $cf::RUNTIME
1212	if $map->{instantiate_time} > $cf::RUNTIME;
1213	} else {
1214	if (my $rmp = $path->random_map_params) {
1215	$map = generate_random_map $key, $rmp;
1216	} else {
1217	$map = try_load_header $path->load_path;
1218	}
1219
1220	$map or return;	1451	or return;
1221		1452
1222	$map->{load_original} = 1;
1223	$map->{instantiate_time} = $cf::RUNTIME;
1224	$map->last_access ($cf::RUNTIME);
1225	$map->instantiate;
1226
1227	# per-player maps become, after loading, normal maps
1228	$map->per_player (0) if $path->{user_rel};
1229	}
1230
1231	$map->path ($key);
1232	$map->{path} = $path;
1233	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1234		1454
1235	if ($map->should_reset) {	1455	$map->load_header
		1456	or return;
		1457
		1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1459	# doing this can freeze the server in a sync job, obviously
		1460	#$cf::WAIT_FOR_TICK->wait;
1236	$map->reset;	1461	$map->reset;
1237	undef $guard;	1462	undef $guard;
1238	$map = find_map $path	1463	return find $path;
1239	or return;
1240	}	1464	}
1241		1465
1242	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1243	}	1467	}
1244	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1245		1472
1246	sub load {	1473	sub load {
1247	my ($self) = @_;	1474	my ($self) = @_;
1248		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1249	my $path = $self->{path};	1478	my $path = $self->{path};
1250	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1251		1480
1252	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1253		1482
1254	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1255		1484
1256	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488
1257	$self->load_objects ($self->{load_path}, 1)	1489	$self->_load_objects ($self->{load_path}, 1)
1258	or return;	1490	or return;
1259		1491
1260	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1261	if delete $self->{load_original};	1493	if delete $self->{load_original};
1262		1494
1263	if (my $uniq = $path->uniq_path) {	1495	if (my $uniq = $self->uniq_path) {
1264	utf8::encode $uniq;	1496	utf8::encode $uniq;
1265	if (aio_open $uniq, O_RDONLY, 0) {	1497	if (aio_open $uniq, O_RDONLY, 0) {
1266	$self->clear_unique_items;	1498	$self->clear_unique_items;
1267	$self->load_objects ($uniq, 0);	1499	$self->_load_objects ($uniq, 0);
1268	}	1500	}
1269	}	1501	}
		1502
		1503	Coro::cede;
1270		1504
1271	# now do the right thing for maps	1505	# now do the right thing for maps
1272	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
1273		1507
1274	if ($self->{path}->is_style_map) {	1508	unless ($self->{deny_activate}) {
1275	$self->{deny_save} = 1;	1509	$self->decay_objects;
1276	$self->{deny_reset} = 1;
1277	} else {
1278	$self->fix_auto_apply;	1510	$self->fix_auto_apply;
1279	$self->decay_objects;
1280	$self->update_buttons;	1511	$self->update_buttons;
		1512	Coro::cede;
1281	$self->set_darkness_map;	1513	$self->set_darkness_map;
1282	$self->difficulty ($self->estimate_difficulty)	1514	$self->difficulty ($self->estimate_difficulty)
1283	unless $self->difficulty;	1515	unless $self->difficulty;
		1516	Coro::cede;
1284	$self->activate;	1517	$self->activate;
1285	}	1518	}
1286		1519
		1520	$self->post_load;
		1521
1287	$self->in_memory (cf::MAP_IN_MEMORY);	1522	$self->in_memory (cf::MAP_IN_MEMORY);
1288	}	1523	}
1289		1524
1290	sub load_map_sync {	1525	sub customise_for {
		1526	my ($self, $ob) = @_;
		1527
		1528	return find "~" . $ob->name . "/" . $self->{path}
		1529	if $self->per_player;
		1530
		1531	$self
		1532	}
		1533
		1534	# find and load all maps in the 3x3 area around a map
		1535	sub load_diag {
		1536	my ($map) = @_;
		1537
		1538	my @diag; # diagonal neighbours
		1539
		1540	for (0 .. 3) {
		1541	my $neigh = $map->tile_path ($_)
		1542	or next;
		1543	$neigh = find $neigh, $map
		1544	or next;
		1545	$neigh->load;
		1546
		1547	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1548	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1549	}
		1550
		1551	for (@diag) {
		1552	my $neigh = find @$_
		1553	or next;
		1554	$neigh->load;
		1555	}
		1556	}
		1557
		1558	sub find_sync {
1291	my ($path, $origin) = @_;	1559	my ($path, $origin) = @_;
1292		1560
1293	#warn "load_map_sync<$path, $origin>\n";#d#	1561	cf::sync_job { find $path, $origin }
		1562	}
1294		1563
1295	cf::sync_job {	1564	sub do_load_sync {
1296	my $map = cf::map::find_map $path, $origin	1565	my ($map) = @_;
1297	or return;	1566
		1567	cf::sync_job { $map->load };
		1568	}
		1569
		1570	our %MAP_PREFETCH;
		1571	our $MAP_PREFETCHER = undef;
		1572
		1573	sub find_async {
		1574	my ($path, $origin) = @_;
		1575
		1576	$path = normalise $path, $origin && $origin->{path};
		1577
		1578	if (my $map = $cf::MAP{$path}) {
		1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1580	}
		1581
		1582	undef $MAP_PREFETCH{$path};
		1583	$MAP_PREFETCHER ||= cf::async {
		1584	while (%MAP_PREFETCH) {
		1585	for my $path (keys %MAP_PREFETCH) {
		1586	my $map = find $path
		1587	or next;
1298	$map->load;	1588	$map->load;
1299	$map	1589
		1590	delete $MAP_PREFETCH{$path};
		1591	}
		1592	}
		1593	undef $MAP_PREFETCHER;
1300	}	1594	};
		1595	$MAP_PREFETCHER->prio (6);
		1596
		1597	()
1301	}	1598	}
1302		1599
1303	sub save {	1600	sub save {
1304	my ($self) = @_;	1601	my ($self) = @_;
1305		1602
		1603	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1604
1306	$self->{last_save} = $cf::RUNTIME;	1605	$self->{last_save} = $cf::RUNTIME;
1307		1606
1308	return unless $self->dirty;	1607	return unless $self->dirty;
1309		1608
1310	my $save = $self->{path}->save_path; utf8::encode $save;	1609	my $save = $self->save_path; utf8::encode $save;
1311	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1610	my $uniq = $self->uniq_path; utf8::encode $uniq;
1312		1611
1313	$self->{load_path} = $save;	1612	$self->{load_path} = $save;
1314		1613
1315	return if $self->{deny_save};	1614	return if $self->{deny_save};
1316		1615
1317	local $self->{last_access} = $self->last_access;#d#	1616	local $self->{last_access} = $self->last_access;#d#
1318		1617
		1618	cf::async {
		1619	$_->contr->save for $self->players;
		1620	};
		1621
1319	if ($uniq) {	1622	if ($uniq) {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1321	$self->save_objects ($uniq, cf::IO_UNIQUES);	1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1322	} else {	1625	} else {
1323	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1324	}	1627	}
1325	}	1628	}
1326		1629
1327	sub swap_out {	1630	sub swap_out {
1328	my ($self) = @_;	1631	my ($self) = @_;
1329		1632
1330	# save first because save cedes	1633	# save first because save cedes
1331	$self->save;	1634	$self->save;
		1635
		1636	my $lock = cf::lock_acquire "map_data:" . $self->path;
1332		1637
1333	return if $self->players;	1638	return if $self->players;
1334	return if $self->in_memory != cf::MAP_IN_MEMORY;	1639	return if $self->in_memory != cf::MAP_IN_MEMORY;
1335	return if $self->{deny_save};	1640	return if $self->{deny_save};
1336		1641
…		…
1340		1645
1341	sub reset_at {	1646	sub reset_at {
1342	my ($self) = @_;	1647	my ($self) = @_;
1343		1648
1344	# TODO: safety, remove and allow resettable per-player maps	1649	# TODO: safety, remove and allow resettable per-player maps
1345	return 1e99 if $self->{path}{user_rel};	1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1346	return 1e99 if $self->{deny_reset};	1651	return 1e99 if $self->{deny_reset};
1347		1652
1348	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1349	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1350		1655
…		…
1355	my ($self) = @_;	1660	my ($self) = @_;
1356		1661
1357	$self->reset_at <= $cf::RUNTIME	1662	$self->reset_at <= $cf::RUNTIME
1358	}	1663	}
1359		1664
1360	sub unlink_save {
1361	my ($self) = @_;
1362
1363	utf8::encode (my $save = $self->{path}->save_path);
1364	aioreq_pri 3; IO::AIO::aio_unlink $save;
1365	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1366	}
1367
1368	sub rename {
1369	my ($self, $new_path) = @_;
1370
1371	$self->unlink_save;
1372
1373	delete $cf::MAP{$self->path};
1374	$self->{path} = new cf::path $new_path;
1375	$self->path ($self->{path}->as_string);
1376	$cf::MAP{$self->path} = $self;
1377
1378	$self->save;
1379	}
1380
1381	sub reset {	1665	sub reset {
1382	my ($self) = @_;	1666	my ($self) = @_;
1383		1667
		1668	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1669
1384	return if $self->players;	1670	return if $self->players;
1385	return if $self->{path}{user_rel};#d#	1671	return if $self->isa ("ext::map_per_player");#d#
1386		1672
1387	warn "resetting map ", $self->path;#d#	1673	warn "resetting map ", $self->path;#d#
1388		1674
		1675	$self->in_memory (cf::MAP_SWAPPED);
		1676
		1677	# need to save uniques path
		1678	unless ($self->{deny_save}) {
		1679	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1680
		1681	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1682	if $uniq;
		1683	}
		1684
1389	delete $cf::MAP{$self->path};	1685	delete $cf::MAP{$self->path};
		1686
		1687	$self->clear;
1390		1688
1391	$_->clear_links_to ($self) for values %cf::MAP;	1689	$_->clear_links_to ($self) for values %cf::MAP;
1392		1690
1393	$self->unlink_save;	1691	$self->unlink_save;
1394	$self->destroy;	1692	$self->destroy;
…		…
1397	my $nuke_counter = "aaaa";	1695	my $nuke_counter = "aaaa";
1398		1696
1399	sub nuke {	1697	sub nuke {
1400	my ($self) = @_;	1698	my ($self) = @_;
1401		1699
		1700	delete $cf::MAP{$self->path};
		1701
		1702	$self->unlink_save;
		1703
		1704	bless $self, "cf::map";
		1705	delete $self->{deny_reset};
1402	$self->{deny_save} = 1;	1706	$self->{deny_save} = 1;
1403	$self->reset_timeout (1);	1707	$self->reset_timeout (1);
1404	$self->rename ("{nuke}/" . ($nuke_counter++));	1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1709
		1710	$cf::MAP{$self->path} = $self;
		1711
1405	$self->reset; # polite request, might not happen	1712	$self->reset; # polite request, might not happen
1406	}	1713	}
1407		1714
1408	sub customise_for {	1715	=item cf::map::unique_maps
1409	my ($map, $ob) = @_;
1410		1716
1411	if ($map->per_player) {	1717	Returns an arrayref of paths of all shared maps that have
1412	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1718	instantiated unique items. May block.
1413	}
1414		1719
1415	$map	1720	=cut
1416	}
1417		1721
1418	sub emergency_save {	1722	sub unique_maps() {
1419	local $cf::FREEZE = 1;	1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1724	or return;
1420		1725
1421	warn "enter emergency map save\n";	1726	my @paths;
1422		1727
1423	cf::sync_job {	1728	for (@$files) {
1424	warn "begin emergency map save\n";	1729	utf8::decode $_;
1425	$_->save for values %cf::MAP;	1730	next if /\.pst$/;
		1731	next unless /^$PATH_SEP/o;
		1732
		1733	push @paths, cf::map::normalise $_;
1426	};	1734	}
1427		1735
1428	warn "end emergency map save\n";	1736	\@paths
1429	}	1737	}
1430		1738
1431	package cf;	1739	package cf;
1432		1740
1433	=back	1741	=back
1434		1742
		1743	=head3 cf::object
		1744
		1745	=cut
		1746
		1747	package cf::object;
		1748
		1749	=over 4
		1750
		1751	=item $ob->inv_recursive
		1752
		1753	Returns the inventory of the object _and_ their inventories, recursively.
		1754
		1755	=cut
		1756
		1757	sub inv_recursive_;
		1758	sub inv_recursive_ {
		1759	map { $_, inv_recursive_ $_->inv } @_
		1760	}
		1761
		1762	sub inv_recursive {
		1763	inv_recursive_ inv $_[0]
		1764	}
		1765
		1766	package cf;
		1767
		1768	=back
1435		1769
1436	=head3 cf::object::player	1770	=head3 cf::object::player
1437		1771
1438	=over 4	1772	=over 4
1439		1773
…		…
1479		1813
1480	=item $player_object->enter_link	1814	=item $player_object->enter_link
1481		1815
1482	Freezes the player and moves him/her to a special map (C<{link}>).	1816	Freezes the player and moves him/her to a special map (C<{link}>).
1483		1817
1484	The player should be reaosnably safe there for short amounts of time. You	1818	The player should be reasonably safe there for short amounts of time. You
1485	I<MUST> call C<leave_link> as soon as possible, though.	1819	I<MUST> call C<leave_link> as soon as possible, though.
1486		1820
		1821	Will never block.
		1822
1487	=item $player_object->leave_link ($map, $x, $y)	1823	=item $player_object->leave_link ($map, $x, $y)
1488		1824
1489	Moves the player out of the specila link map onto the given map. If the	1825	Moves the player out of the special C<{link}> map onto the specified
1490	map is not valid (or omitted), the player will be moved back to the	1826	map. If the map is not valid (or omitted), the player will be moved back
1491	location he/she was before the call to C<enter_link>, or, if that fails,	1827	to the location he/she was before the call to C<enter_link>, or, if that
1492	to the emergency map position.	1828	fails, to the emergency map position.
1493		1829
1494	Might block.	1830	Might block.
1495		1831
1496	=cut	1832	=cut
		1833
		1834	sub link_map {
		1835	unless ($LINK_MAP) {
		1836	$LINK_MAP = cf::map::find "{link}"
		1837	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1838	$LINK_MAP->load;
		1839	}
		1840
		1841	$LINK_MAP
		1842	}
1497		1843
1498	sub cf::object::player::enter_link {	1844	sub cf::object::player::enter_link {
1499	my ($self) = @_;	1845	my ($self) = @_;
1500		1846
1501	$self->deactivate_recursive;	1847	$self->deactivate_recursive;
1502		1848
1503	return if $self->map == $LINK_MAP;	1849	return if UNIVERSAL::isa $self->map, "ext::map_link";
1504		1850
1505	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1506	if $self->map;	1852	if $self->map;
1507		1853
1508	$self->enter_map ($LINK_MAP, 20, 20);	1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1509	}	1855	}
1510		1856
1511	sub cf::object::player::leave_link {	1857	sub cf::object::player::leave_link {
1512	my ($self, $map, $x, $y) = @_;	1858	my ($self, $map, $x, $y) = @_;
1513		1859
1514	my $link_pos = delete $self->{_link_pos};	1860	my $link_pos = delete $self->{_link_pos};
1515		1861
1516	unless ($map) {	1862	unless ($map) {
1517	# restore original map position	1863	# restore original map position
1518	($map, $x, $y) = @{ $link_pos || [] };	1864	($map, $x, $y) = @{ $link_pos || [] };
1519	$map = cf::map::find_map $map;	1865	$map = cf::map::find $map;
1520		1866
1521	unless ($map) {	1867	unless ($map) {
1522	($map, $x, $y) = @$EMERGENCY_POSITION;	1868	($map, $x, $y) = @$EMERGENCY_POSITION;
1523	$map = cf::map::find_map $map	1869	$map = cf::map::find $map
1524	or die "FATAL: cannot load emergency map\n";	1870	or die "FATAL: cannot load emergency map\n";
1525	}	1871	}
1526	}	1872	}
1527		1873
1528	($x, $y) = (-1, -1)	1874	($x, $y) = (-1, -1)
…		…
1531	# use -1 or undef as default coordinates, not 0, 0	1877	# use -1 or undef as default coordinates, not 0, 0
1532	($x, $y) = ($map->enter_x, $map->enter_y)	1878	($x, $y) = ($map->enter_x, $map->enter_y)
1533	if $x <=0 && $y <= 0;	1879	if $x <=0 && $y <= 0;
1534		1880
1535	$map->load;	1881	$map->load;
		1882	$map->load_diag;
1536		1883
		1884	return unless $self->contr->active;
1537	$self->activate_recursive;	1885	$self->activate_recursive;
		1886
		1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1538	$self->enter_map ($map, $x, $y);	1888	$self->enter_map ($map, $x, $y);
1539	}	1889	}
1540		1890
1541	cf::player->attach (	1891	cf::player->attach (
1542	on_logout => sub {	1892	on_logout => sub {
…		…
1554		1904
1555	# try to abort aborted map switching on player login :)	1905	# try to abort aborted map switching on player login :)
1556	# should happen only on crashes	1906	# should happen only on crashes
1557	if ($pl->ob->{_link_pos}) {	1907	if ($pl->ob->{_link_pos}) {
1558	$pl->ob->enter_link;	1908	$pl->ob->enter_link;
1559	cf::async {	1909	(async {
		1910	$pl->ob->reply (undef,
		1911	"There was an internal problem at your last logout, "
		1912	. "the server will try to bring you to your intended destination in a second.",
		1913	cf::NDI_RED);
1560	# we need this sleep as the login has a concurrent enter_exit running	1914	# we need this sleep as the login has a concurrent enter_exit running
1561	# and this sleep increases chances of the player not ending up in scorn	1915	# and this sleep increases chances of the player not ending up in scorn
1562	Coro::Timer::sleep 1;	1916	Coro::Timer::sleep 1;
1563	$pl->ob->leave_link;	1917	$pl->ob->leave_link;
1564	};	1918	})->prio (2);
1565	}	1919	}
1566	},	1920	},
1567	);	1921	);
1568		1922
1569	=item $player_object->goto_map ($path, $x, $y)	1923	=item $player_object->goto ($path, $x, $y)
1570		1924
1571	=cut	1925	=cut
1572		1926
1573	sub cf::object::player::goto_map {	1927	sub cf::object::player::goto {
1574	my ($self, $path, $x, $y) = @_;	1928	my ($self, $path, $x, $y) = @_;
1575		1929
1576	$self->enter_link;	1930	$self->enter_link;
1577		1931
1578	(cf::async {	1932	(async {
1579	$path = new cf::path $path;	1933	my $map = eval {
1580
1581	my $map = cf::map::find_map $path->as_string;	1934	my $map = cf::map::find $path;
1582	$map = $map->customise_for ($self) if $map;	1935	$map = $map->customise_for ($self) if $map;
1583		1936	$map
1584	# warn "entering ", $map->path, " at ($x, $y)\n"	1937	} or
1585	# if $map;
1586
1587	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1588		1939
1589	$self->leave_link ($map, $x, $y);	1940	$self->leave_link ($map, $x, $y);
1590	})->prio (1);	1941	})->prio (1);
1591	}	1942	}
1592		1943
…		…
1596		1947
1597	sub parse_random_map_params {	1948	sub parse_random_map_params {
1598	my ($spec) = @_;	1949	my ($spec) = @_;
1599		1950
1600	my $rmp = { # defaults	1951	my $rmp = { # defaults
1601	xsize => 10,	1952	xsize => (cf::rndm 15, 40),
1602	ysize => 10,	1953	ysize => (cf::rndm 15, 40),
		1954	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1955	#layout => string,
1603	};	1956	};
1604		1957
1605	for (split /\n/, $spec) {	1958	for (split /\n/, $spec) {
1606	my ($k, $v) = split /\s+/, $_, 2;	1959	my ($k, $v) = split /\s+/, $_, 2;
1607		1960
…		…
1611	$rmp	1964	$rmp
1612	}	1965	}
1613		1966
1614	sub prepare_random_map {	1967	sub prepare_random_map {
1615	my ($exit) = @_;	1968	my ($exit) = @_;
		1969
		1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1616		1971
1617	# all this does is basically replace the /! path by	1972	# all this does is basically replace the /! path by
1618	# a new random map path (?random/...) with a seed	1973	# a new random map path (?random/...) with a seed
1619	# that depends on the exit object	1974	# that depends on the exit object
1620		1975
1621	my $rmp = parse_random_map_params $exit->msg;	1976	my $rmp = parse_random_map_params $exit->msg;
1622		1977
1623	if ($exit->map) {	1978	if ($exit->map) {
1624	$rmp->{region} = $exit->map->region_name;	1979	$rmp->{region} = $exit->region->name;
1625	$rmp->{origin_map} = $exit->map->path;	1980	$rmp->{origin_map} = $exit->map->path;
1626	$rmp->{origin_x} = $exit->x;	1981	$rmp->{origin_x} = $exit->x;
1627	$rmp->{origin_y} = $exit->y;	1982	$rmp->{origin_y} = $exit->y;
1628	}	1983	}
1629		1984
1630	$rmp->{random_seed} ||= $exit->random_seed;	1985	$rmp->{random_seed} ||= $exit->random_seed;
1631		1986
1632	my $data = cf::to_json $rmp;	1987	my $data = cf::to_json $rmp;
1633	my $md5 = Digest::MD5::md5_hex $data;	1988	my $md5 = Digest::MD5::md5_hex $data;
		1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1634		1990
1635	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1636	aio_write $fh, 0, (length $data), $data, 0;	1992	aio_write $fh, 0, (length $data), $data, 0;
		1993	undef $fh;
		1994	aio_rename "$meta~", $meta;
1637		1995
1638	$exit->slaying ("?random/$md5");	1996	$exit->slaying ("?random/$md5");
1639	$exit->msg (undef);	1997	$exit->msg (undef);
1640	}	1998	}
1641	}	1999	}
…		…
1643	sub cf::object::player::enter_exit {	2001	sub cf::object::player::enter_exit {
1644	my ($self, $exit) = @_;	2002	my ($self, $exit) = @_;
1645		2003
1646	return unless $self->type == cf::PLAYER;	2004	return unless $self->type == cf::PLAYER;
1647		2005
		2006	if ($exit->slaying eq "/!") {
		2007	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2008	# the problem is that $exit might not survive long enough
		2009	# so it needs to be done right now, right here
		2010	cf::sync_job { prepare_random_map $exit };
		2011	}
		2012
		2013	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2014	my $hp = $exit->stats->hp;
		2015	my $sp = $exit->stats->sp;
		2016
1648	$self->enter_link;	2017	$self->enter_link;
1649		2018
1650	(cf::async {	2019	(async {
		2020	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	2021	unless (eval {
1652	prepare_random_map $exit	2022	$self->goto ($slaying, $hp, $sp);
1653	if $exit->slaying eq "/!";
1654
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1657		2023
1658	1;	2024	1;
1659	}) {	2025	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	2026	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "I'll try to bring you back to the map you were before. "	2027	. "I'll try to bring you back to the map you were before. "
1662	. "Please report this to the dungeon master",	2028	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	2029	cf::NDI_UNIQUE | cf::NDI_RED);
1664		2030
1665	warn "ERROR in enter_exit: $@";	2031	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	2032	$self->leave_link;
1667	}	2033	}
1668	})->prio (1);	2034	})->prio (1);
…		…
1681		2047
1682	sub cf::client::send_drawinfo {	2048	sub cf::client::send_drawinfo {
1683	my ($self, $text, $flags) = @_;	2049	my ($self, $text, $flags) = @_;
1684		2050
1685	utf8::encode $text;	2051	utf8::encode $text;
1686	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1687	}	2053	}
1688		2054
		2055	=item $client->ext_event ($type, %msg)
		2056
		2057	Sends an exti event to the client.
		2058
		2059	=cut
		2060
		2061	sub cf::client::ext_event($$%) {
		2062	my ($self, $type, %msg) = @_;
		2063
		2064	$msg{msgtype} = "event_$type";
		2065	$self->send_packet ("ext " . cf::to_json \%msg);
		2066	}
1689		2067
1690	=item $success = $client->query ($flags, "text", \&cb)	2068	=item $success = $client->query ($flags, "text", \&cb)
1691		2069
1692	Queues a query to the client, calling the given callback with	2070	Queues a query to the client, calling the given callback with
1693	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2071	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1722	# get handled first	2100	# get handled first
1723	my $queue = delete $ns->{query_queue}	2101	my $queue = delete $ns->{query_queue}
1724	or return; # be conservative, not sure how that can happen, but we saw a crash here	2102	or return; # be conservative, not sure how that can happen, but we saw a crash here
1725		2103
1726	(shift @$queue)->[1]->($msg);	2104	(shift @$queue)->[1]->($msg);
		2105	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727		2106
1728	push @{ $ns->{query_queue} }, @$queue;	2107	push @{ $ns->{query_queue} }, @$queue;
1729		2108
1730	if (@{ $ns->{query_queue} } == @$queue) {	2109	if (@{ $ns->{query_queue} } == @$queue) {
1731	if (@$queue) {	2110	if (@$queue) {
…		…
1735	}	2114	}
1736	}	2115	}
1737	},	2116	},
1738	);	2117	);
1739		2118
1740	=item $client->coro (\&cb)	2119	=item $client->async (\&cb)
1741		2120
1742	Create a new coroutine, running the specified callback. The coroutine will	2121	Create a new coroutine, running the specified callback. The coroutine will
1743	be automatically cancelled when the client gets destroyed (e.g. on logout,	2122	be automatically cancelled when the client gets destroyed (e.g. on logout,
1744	or loss of connection).	2123	or loss of connection).
1745		2124
1746	=cut	2125	=cut
1747		2126
1748	sub cf::client::coro {	2127	sub cf::client::async {
1749	my ($self, $cb) = @_;	2128	my ($self, $cb) = @_;
1750		2129
1751	my $coro = &cf::async ($cb);	2130	my $coro = &Coro::async ($cb);
1752		2131
1753	$coro->on_destroy (sub {	2132	$coro->on_destroy (sub {
1754	delete $self->{_coro}{$coro+0};	2133	delete $self->{_coro}{$coro+0};
1755	});	2134	});
1756		2135
…		…
1789		2168
1790	# here we export the classes and methods available to script code	2169	# here we export the classes and methods available to script code
1791		2170
1792	=pod	2171	=pod
1793		2172
1794	The following fucntions and emthods are available within a safe environment:	2173	The following functions and methods are available within a safe environment:
1795		2174
1796	cf::object contr pay_amount pay_player map	2175	cf::object contr pay_amount pay_player map
1797	cf::object::player player	2176	cf::object::player player
1798	cf::player peaceful	2177	cf::player peaceful
1799	cf::map trigger	2178	cf::map trigger
…		…
1892	The parameter C<$family> should best start with the name of the extension	2271	The parameter C<$family> should best start with the name of the extension
1893	using it, it should be unique.	2272	using it, it should be unique.
1894		2273
1895	=over 4	2274	=over 4
1896		2275
1897	=item $hashref = cf::db_get $family
1898
1899	Return a hashref for use by the extension C<$family>, which can be
1900	modified. After modifications, you have to call C<cf::db_dirty> or
1901	C<cf::db_sync>.
1902
1903	=item $value = cf::db_get $family => $key	2276	=item $value = cf::db_get $family => $key
1904		2277
1905	Returns a single value from the database	2278	Returns a single value from the database.
1906
1907	=item cf::db_put $family => $hashref
1908
1909	Stores the given family hashref into the database. Updates are delayed, if
1910	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1911		2279
1912	=item cf::db_put $family => $key => $value	2280	=item cf::db_put $family => $key => $value
1913		2281
1914	Stores the given C<$value> in the family hash. Updates are delayed, if you	2282	Stores the given C<$value> in the family.
1915	want the data to be synced to disk immediately, use C<cf::db_sync>.
1916
1917	=item cf::db_dirty
1918
1919	Marks the database as dirty, to be updated at a later time.
1920
1921	=item cf::db_sync
1922
1923	Immediately write the database to disk I<if it is dirty>.
1924		2283
1925	=cut	2284	=cut
1926		2285
1927	our $DB;	2286	our $DB;
1928		2287
1929	{	2288	sub db_init {
		2289	unless ($DB) {
		2290	$DB = BDB::db_create $DB_ENV;
		2291
		2292	cf::sync_job {
		2293	eval {
		2294	$DB->set_flags (BDB::CHKSUM);
		2295
		2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2298	cf::cleanup "db_open(db): $!" if $!;
		2299	};
		2300	cf::cleanup "db_open(db): $@" if $@;
		2301	};
		2302
1930	my $path = cf::localdir . "/database.pst";	2303	my $path = cf::localdir . "/database.pst";
		2304	if (stat $path) {
		2305	cf::sync_job {
		2306	my $pst = Storable::retrieve $path;
1931		2307
1932	sub db_load() {	2308	cf::db_put (board => data => $pst->{board});
1933	$DB = stat $path ? Storable::retrieve $path : { };	2309	cf::db_put (guildrules => data => $pst->{guildrules});
1934	}	2310	cf::db_put (rent => balance => $pst->{rent}{balance});
		2311	BDB::db_env_txn_checkpoint $DB_ENV;
1935		2312
1936	my $pid;	2313	unlink $path;
1937
1938	sub db_save() {
1939	waitpid $pid, 0 if $pid;
1940	if (0 == ($pid = fork)) {
1941	$DB->{_meta}{version} = 1;
1942	Storable::nstore $DB, "$path~";
1943	rename "$path~", $path;
1944	cf::_exit 0 if defined $pid;
1945	}	2314	};
1946	}
1947
1948	my $dirty;
1949
1950	sub db_sync() {
1951	db_save if $dirty;
1952	undef $dirty;
1953	}
1954
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1956	db_sync;
1957	});
1958
1959	sub db_dirty() {
1960	$dirty = 1;
1961	$idle->start;
1962	}
1963
1964	sub db_get($;$) {
1965	@_ >= 2
1966	? $DB->{$_[0]}{$_[1]}
1967	: ($DB->{$_[0]} ||= { })
1968	}
1969
1970	sub db_put($$;$) {
1971	if (@_ >= 3) {
1972	$DB->{$_[0]}{$_[1]} = $_[2];
1973	} else {
1974	$DB->{$_[0]} = $_[1];
1975	}
1976	db_dirty;
1977	}
1978
1979	cf::global->attach (
1980	prio => 10000,
1981	on_cleanup => sub {
1982	db_sync;
1983	},	2315	}
1984	);	2316	}
		2317	}
		2318
		2319	sub db_get($$) {
		2320	my $key = "$_[0]/$_[1]";
		2321
		2322	cf::sync_job {
		2323	BDB::db_get $DB, undef, $key, my $data;
		2324
		2325	$! ? ()
		2326	: Compress::LZF::sthaw $data
		2327	}
		2328	}
		2329
		2330	sub db_put($$$) {
		2331	BDB::dbreq_pri 4;
		2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1985	}	2333	}
1986		2334
1987	#############################################################################	2335	#############################################################################
1988	# the server's main()	2336	# the server's init and main functions
		2337
		2338	sub load_facedata {
		2339	my $path = sprintf "%s/facedata", cf::datadir;
		2340
		2341	warn "loading facedata from $path\n";
		2342
		2343	my $facedata;
		2344	0 < aio_load $path, $facedata
		2345	or die "$path: $!";
		2346
		2347	$facedata = Coro::Storable::thaw $facedata;
		2348
		2349	$facedata->{version} == 2
		2350	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2351
		2352	{
		2353	my $faces = $facedata->{faceinfo};
		2354
		2355	while (my ($face, $info) = each %$faces) {
		2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2360	Coro::cede;
		2361	}
		2362
		2363	while (my ($face, $info) = each %$faces) {
		2364	next unless $info->{smooth};
		2365	my $idx = cf::face::find $face
		2366	or next;
		2367	if (my $smooth = cf::face::find $info->{smooth}) {
		2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2369	} else {
		2370	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2371	}
		2372	Coro::cede;
		2373	}
		2374	}
		2375
		2376	{
		2377	my $anims = $facedata->{animinfo};
		2378
		2379	while (my ($anim, $info) = each %$anims) {
		2380	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2381	Coro::cede;
		2382	}
		2383
		2384	cf::anim::invalidate_all; # d'oh
		2385	}
		2386
		2387	1
		2388	}
		2389
		2390	sub reload_resources {
		2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2392	or die "unable to load regions file\n";#d#
		2393	load_facedata
		2394	or die "unable to load facedata\n";#d#
		2395	}
		2396
		2397	sub init {
		2398	reload_resources;
		2399	}
1989		2400
1990	sub cfg_load {	2401	sub cfg_load {
1991	open my $fh, "<:utf8", cf::confdir . "/config"	2402	open my $fh, "<:utf8", cf::confdir . "/config"
1992	or return;	2403	or return;
1993		2404
1994	local $/;	2405	local $/;
1995	*CFG = YAML::Syck::Load <$fh>;	2406	*CFG = YAML::Syck::Load <$fh>;
1996		2407
1997	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1998		2409
		2410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2412
1999	if (exists $CFG{mlockall}) {	2413	if (exists $CFG{mlockall}) {
2000	eval {	2414	eval {
2001	$CFG{mlockall} ? &mlockall : &munlockall	2415	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2002	and die "WARNING: m(un)lockall failed: $!\n";	2416	and die "WARNING: m(un)lockall failed: $!\n";
2003	};	2417	};
2004	warn $@ if $@;	2418	warn $@ if $@;
2005	}	2419	}
2006	}	2420	}
2007		2421
2008	sub main {	2422	sub main {
2009	# we must not ever block the main coroutine	2423	# we must not ever block the main coroutine
2010	local $Coro::idle = sub {	2424	local $Coro::idle = sub {
2011	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2012	(Coro::unblock_sub {	2426	(async {
2013	Event::one_event;	2427	Event::one_event;
2014	})->();	2428	})->prio (Coro::PRIO_MAX);
2015	};	2429	};
2016		2430
2017	cfg_load;	2431	cfg_load;
2018	db_load;	2432	db_init;
2019	load_extensions;	2433	load_extensions;
		2434
		2435	$TICK_WATCHER->start;
2020	Event::loop;	2436	Event::loop;
2021	}	2437	}
2022		2438
2023	#############################################################################	2439	#############################################################################
2024	# initialisation	2440	# initialisation and cleanup
		2441
		2442	# install some emergency cleanup handlers
		2443	BEGIN {
		2444	for my $signal (qw(INT HUP TERM)) {
		2445	Event->signal (
		2446	reentrant => 0,
		2447	data => WF_AUTOCANCEL,
		2448	signal => $signal,
		2449	prio => 0,
		2450	cb => sub {
		2451	cf::cleanup "SIG$signal";
		2452	},
		2453	);
		2454	}
		2455	}
		2456
		2457	sub emergency_save() {
		2458	my $freeze_guard = cf::freeze_mainloop;
		2459
		2460	warn "enter emergency perl save\n";
		2461
		2462	cf::sync_job {
		2463	# use a peculiar iteration method to avoid tripping on perl
		2464	# refcount bugs in for. also avoids problems with players
		2465	# and maps saved/destroyed asynchronously.
		2466	warn "begin emergency player save\n";
		2467	for my $login (keys %cf::PLAYER) {
		2468	my $pl = $cf::PLAYER{$login} or next;
		2469	$pl->valid or next;
		2470	$pl->save;
		2471	}
		2472	warn "end emergency player save\n";
		2473
		2474	warn "begin emergency map save\n";
		2475	for my $path (keys %cf::MAP) {
		2476	my $map = $cf::MAP{$path} or next;
		2477	$map->valid or next;
		2478	$map->save;
		2479	}
		2480	warn "end emergency map save\n";
		2481
		2482	warn "begin emergency database checkpoint\n";
		2483	BDB::db_env_txn_checkpoint $DB_ENV;
		2484	warn "end emergency database checkpoint\n";
		2485	};
		2486
		2487	warn "leave emergency perl save\n";
		2488	}
		2489
		2490	sub post_cleanup {
		2491	my ($make_core) = @_;
		2492
		2493	warn Carp::longmess "post_cleanup backtrace"
		2494	if $make_core;
		2495	}
2025		2496
2026	sub reload() {	2497	sub reload() {
2027	# can/must only be called in main	2498	# can/must only be called in main
2028	if ($Coro::current != $Coro::main) {	2499	if ($Coro::current != $Coro::main) {
2029	warn "can only reload from main coroutine\n";	2500	warn "can only reload from main coroutine";
2030	return;	2501	return;
2031	}	2502	}
2032		2503
2033	warn "reloading...";	2504	warn "reloading...";
2034		2505
2035	local $FREEZE = 1;	2506	warn "entering sync_job";
		2507
		2508	cf::sync_job {
		2509	cf::write_runtime; # external watchdog should not bark
2036	cf::emergency_save;	2510	cf::emergency_save;
		2511	cf::write_runtime; # external watchdog should not bark
2037		2512
2038	eval {	2513	warn "syncing database to disk";
		2514	BDB::db_env_txn_checkpoint $DB_ENV;
		2515
2039	# if anything goes wrong in here, we should simply crash as we already saved	2516	# if anything goes wrong in here, we should simply crash as we already saved
2040		2517
2041	# cancel all watchers	2518	warn "cancelling all WF_AUTOCANCEL watchers";
2042	for (Event::all_watchers) {	2519	for (Event::all_watchers) {
2043	$_->cancel if $_->data & WF_AUTOCANCEL;	2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2044	}	2521	}
2045		2522
		2523	warn "flushing outstanding aio requests";
		2524	for (;;) {
		2525	BDB::flush;
		2526	IO::AIO::flush;
		2527	Coro::cede;
		2528	last unless IO::AIO::nreqs || BDB::nreqs;
		2529	warn "iterate...";
		2530	}
		2531
		2532	++$RELOAD;
		2533
2046	# cancel all extension coros	2534	warn "cancelling all extension coros";
2047	$_->cancel for values %EXT_CORO;	2535	$_->cancel for values %EXT_CORO;
2048	%EXT_CORO = ();	2536	%EXT_CORO = ();
2049		2537
2050	# unload all extensions	2538	warn "removing commands";
2051	for (@exts) {	2539	%COMMAND = ();
		2540
		2541	warn "removing ext commands";
		2542	%EXTCMD = ();
		2543
		2544	warn "unloading/nuking all extensions";
		2545	for my $pkg (@EXTS) {
2052	warn "unloading <$_>";	2546	warn "... unloading $pkg";
2053	unload_extension $_;	2547
		2548	if (my $cb = $pkg->can ("unload")) {
		2549	eval {
		2550	$cb->($pkg);
		2551	1
		2552	} or warn "$pkg unloaded, but with errors: $@";
2054	}	2553	}
2055		2554
		2555	warn "... nuking $pkg";
		2556	Symbol::delete_package $pkg;
		2557	}
		2558
2056	# unload all modules loaded from $LIBDIR	2559	warn "unloading all perl modules loaded from $LIBDIR";
2057	while (my ($k, $v) = each %INC) {	2560	while (my ($k, $v) = each %INC) {
2058	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2059		2562
2060	warn "removing <$k>";	2563	warn "... unloading $k";
2061	delete $INC{$k};	2564	delete $INC{$k};
2062		2565
2063	$k =~ s/\.pm$//;	2566	$k =~ s/\.pm$//;
2064	$k =~ s/\//::/g;	2567	$k =~ s/\//::/g;
2065		2568
…		…
2068	}	2571	}
2069		2572
2070	Symbol::delete_package $k;	2573	Symbol::delete_package $k;
2071	}	2574	}
2072		2575
2073	# sync database to disk
2074	cf::db_sync;
2075	IO::AIO::flush;
2076
2077	# get rid of safe::, as good as possible	2576	warn "getting rid of safe::, as good as possible";
2078	Symbol::delete_package "safe::$_"	2577	Symbol::delete_package "safe::$_"
2079	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2578	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2080		2579
2081	# remove register_script_function callbacks
2082	# TODO
2083
2084	# unload cf.pm "a bit"	2580	warn "unloading cf.pm \"a bit\"";
2085	delete $INC{"cf.pm"};	2581	delete $INC{"cf.pm"};
2086		2582
2087	# don't, removes xs symbols, too,	2583	# don't, removes xs symbols, too,
2088	# and global variables created in xs	2584	# and global variables created in xs
2089	#Symbol::delete_package __PACKAGE__;	2585	#Symbol::delete_package __PACKAGE__;
2090		2586
2091	# reload cf.pm	2587	warn "unload completed, starting to reload now";
		2588
2092	warn "reloading cf.pm";	2589	warn "reloading cf.pm";
2093	require cf;	2590	require cf;
2094	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2095		2592
2096	# load config and database again	2593	warn "loading config and database again";
2097	cf::cfg_load;	2594	cf::cfg_load;
2098	cf::db_load;
2099		2595
2100	# load extensions
2101	warn "load extensions";	2596	warn "loading extensions";
2102	cf::load_extensions;	2597	cf::load_extensions;
2103		2598
2104	# reattach attachments to objects	2599	warn "reattaching attachments to objects/players";
2105	warn "reattach";	2600	_global_reattach; # objects, sockets
2106	_global_reattach;	2601	warn "reattaching attachments to maps";
2107	};	2602	reattach $_ for values %MAP;
		2603	warn "reattaching attachments to players";
		2604	reattach $_ for values %PLAYER;
2108		2605
2109	if ($@) {	2606	warn "loading reloadable resources";
		2607	reload_resources;
		2608
		2609	warn "leaving sync_job";
		2610
		2611	1
		2612	} or do {
2110	warn $@;	2613	warn $@;
2111	warn "error while reloading, exiting.";	2614	warn "error while reloading, exiting.";
2112	exit 1;	2615	exit 1;
2113	}	2616	};
2114		2617
2115	warn "reloaded successfully";	2618	warn "reloaded";
2116	};	2619	};
2117		2620
2118	#############################################################################	2621	our $RELOAD_WATCHER; # used only during reload
2119
2120	unless ($LINK_MAP) {
2121	$LINK_MAP = cf::map::new;
2122
2123	$LINK_MAP->width (41);
2124	$LINK_MAP->height (41);
2125	$LINK_MAP->alloc;
2126	$LINK_MAP->path ("{link}");
2127	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2128	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2129
2130	# dirty hack because... archetypes are not yet loaded
2131	Event->timer (
2132	after => 2,
2133	cb => sub {
2134	$_[0]->w->cancel;
2135
2136	# provide some exits "home"
2137	my $exit = cf::object::new "exit";
2138
2139	$exit->slaying ($EMERGENCY_POSITION->[0]);
2140	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2141	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2142
2143	$LINK_MAP->insert ($exit->clone, 19, 19);
2144	$LINK_MAP->insert ($exit->clone, 19, 20);
2145	$LINK_MAP->insert ($exit->clone, 19, 21);
2146	$LINK_MAP->insert ($exit->clone, 20, 19);
2147	$LINK_MAP->insert ($exit->clone, 20, 21);
2148	$LINK_MAP->insert ($exit->clone, 21, 19);
2149	$LINK_MAP->insert ($exit->clone, 21, 20);
2150	$LINK_MAP->insert ($exit->clone, 21, 21);
2151
2152	$exit->destroy;
2153	});
2154
2155	$LINK_MAP->{deny_save} = 1;
2156	$LINK_MAP->{deny_reset} = 1;
2157
2158	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2159	}
2160
2161	register "<global>", __PACKAGE__;
2162		2622
2163	register_command "reload" => sub {	2623	register_command "reload" => sub {
2164	my ($who, $arg) = @_;	2624	my ($who, $arg) = @_;
2165		2625
2166	if ($who->flag (FLAG_WIZ)) {	2626	if ($who->flag (FLAG_WIZ)) {
2167	$who->message ("start of reload.");	2627	$who->message ("reloading server.");
		2628
		2629	# doing reload synchronously and two reloads happen back-to-back,
		2630	# coro crashes during coro_state_free->destroy here.
		2631
		2632	$RELOAD_WATCHER ||= Event->timer (
		2633	reentrant => 0,
		2634	after => 0,
		2635	data => WF_AUTOCANCEL,
		2636	cb => sub {
2168	reload;	2637	reload;
2169	$who->message ("end of reload.");	2638	undef $RELOAD_WATCHER;
		2639	},
		2640	);
2170	}	2641	}
2171	};	2642	};
2172		2643
2173	unshift @INC, $LIBDIR;	2644	unshift @INC, $LIBDIR;
		2645
		2646	my $bug_warning = 0;
2174		2647
2175	$TICK_WATCHER = Event->timer (	2648	$TICK_WATCHER = Event->timer (
2176	reentrant => 0,	2649	reentrant => 0,
		2650	parked => 1,
2177	prio => 0,	2651	prio => 0,
2178	at => $NEXT_TICK || $TICK,	2652	at => $NEXT_TICK || $TICK,
2179	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2180	cb => sub {	2654	cb => sub {
2181	unless ($FREEZE) {	2655	if ($Coro::current != $Coro::main) {
		2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2657	unless ++$bug_warning > 10;
		2658	return;
		2659	}
		2660
		2661	$NOW = Event::time;
		2662
2182	cf::server_tick; # one server iteration	2663	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2664	$RUNTIME += $TICK;
2184	}
2185
2186	$NEXT_TICK += $TICK;	2665	$NEXT_TICK += $TICK;
		2666
		2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2668	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2669	Coro::async_pool {
		2670	write_runtime
		2671	or warn "ERROR: unable to write runtime file: $!";
		2672	};
		2673	}
		2674
		2675	$WAIT_FOR_TICK->broadcast;
		2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2677
		2678	# my $AFTER = Event::time;
		2679	# warn $AFTER - $NOW;#d#
2187		2680
2188	# if we are delayed by four ticks or more, skip them all	2681	# if we are delayed by four ticks or more, skip them all
2189	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2190		2683
2191	$TICK_WATCHER->at ($NEXT_TICK);	2684	$TICK_WATCHER->at ($NEXT_TICK);
2192	$TICK_WATCHER->start;	2685	$TICK_WATCHER->start;
2193	},	2686	},
2194	);	2687	);
2195		2688
		2689	{
2196	IO::AIO::max_poll_time $TICK * 0.2;	2690	BDB::max_poll_time $TICK * 0.1;
2197		2691	$BDB_POLL_WATCHER = Event->io (
2198	Event->io (	2692	reentrant => 0,
2199	fd => IO::AIO::poll_fileno,	2693	fd => BDB::poll_fileno,
2200	poll => 'r',	2694	poll => 'r',
2201	prio => 5,	2695	prio => 0,
2202	data => WF_AUTOCANCEL,
2203	cb => \&IO::AIO::poll_cb,
2204	);
2205
2206	Event->timer (
2207	data => WF_AUTOCANCEL,	2696	data => WF_AUTOCANCEL,
2208	after => 0,	2697	cb => \&BDB::poll_cb,
2209	interval => 10,	2698	);
2210	cb => sub {	2699	BDB::min_parallel 8;
2211	(Coro::unblock_sub {	2700
2212	write_runtime	2701	BDB::set_sync_prepare {
2213	or warn "ERROR: unable to write runtime file: $!";	2702	my $status;
		2703	my $current = $Coro::current;
		2704	(
		2705	sub {
		2706	$status = $!;
		2707	$current->ready; undef $current;
		2708	},
		2709	sub {
		2710	Coro::schedule while defined $current;
		2711	$! = $status;
		2712	},
		2713	)
		2714	};
		2715
		2716	unless ($DB_ENV) {
		2717	$DB_ENV = BDB::db_env_create;
		2718
		2719	cf::sync_job {
		2720	eval {
		2721	BDB::db_env_open
		2722	$DB_ENV,
		2723	$BDB_ENV_DIR,
		2724	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2726	0666;
		2727
		2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2729
		2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2731	$DB_ENV->set_lk_detect;
		2732	};
		2733
		2734	cf::cleanup "db_env_open(db): $@" if $@;
2214	})->();	2735	};
2215	},	2736	}
2216	);	2737	}
		2738
		2739	{
		2740	IO::AIO::min_parallel 8;
		2741
		2742	undef $Coro::AIO::WATCHER;
		2743	IO::AIO::max_poll_time $TICK * 0.1;
		2744	$AIO_POLL_WATCHER = Event->io (
		2745	reentrant => 0,
		2746	data => WF_AUTOCANCEL,
		2747	fd => IO::AIO::poll_fileno,
		2748	poll => 'r',
		2749	prio => 6,
		2750	cb => \&IO::AIO::poll_cb,
		2751	);
		2752	}
2217		2753
2218	END { cf::emergency_save }	2754	END { cf::emergency_save }
2219		2755
2220	1	2756	1
2221		2757

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