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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 1.234 by root, Thu Apr 5 13:44:31 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;
19		21
		22	use BDB ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	26	use YAML::Syck ();
		27	use IO::AIO 2.32 ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
27		37
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
30		40
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		42
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	our %COMMAND = ();	45	our %COMMAND = ();
36	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
38		52
		53	our $RELOAD; # number of reloads so far
39	our @EVENT;	54	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
41		56
42	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	61	our $NEXT_TICK;
45	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
46		67
47	our %CFG;	68	our %CFG;
48		69
49	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	71	our $RUNTIME;
51		72
		73	our %PLAYER; # all users
52	our %MAP; # all maps	74	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		84
58	binmode STDOUT;	85	binmode STDOUT;
59	binmode STDERR;	86	binmode STDERR;
60		87
61	# read virtual server time, if available	88	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	95	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
73		101
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
77		105
78	#############################################################################	106	#############################################################################
79		107
80	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
81		109
…		…
105		133
106	=item %cf::CFG	134	=item %cf::CFG
107		135
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window of cpu time available, or simply to synchronise to the server tick.
110		145
111	=back	146	=back
112		147
113	=cut	148	=cut
114		149
…		…
118	utf8::encode $msg;	153	utf8::encode $msg;
119		154
120	$msg .= "\n"	155	$msg .= "\n"
121	unless $msg =~ /\n$/;	156	unless $msg =~ /\n$/;
122		157
123	LOG llevError, "cfperl: $msg";	158	LOG llevError, $msg;
124	};	159	};
125	}	160	}
126		161
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		181
147	$Event::DIED = sub {	182	$Event::DIED = sub {
148	warn "error in event callback: @_";	183	warn "error in event callback: @_";
149	};	184	};
150		185
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
156		187
157	=over 4	188	=over 4
158		189
159	=cut	190	=item dumpval $ref
160		191
		192	=cut
		193
		194	sub dumpval {
		195	eval {
		196	local $SIG{__DIE__};
		197	my $d;
		198	if (1) {
		199	$d = new Data::Dumper([$_[0]], ["*var"]);
		200	$d->Terse(1);
		201	$d->Indent(2);
		202	$d->Quotekeys(0);
		203	$d->Useqq(1);
		204	#$d->Bless(...);
		205	$d->Seen($_[1]) if @_ > 1;
		206	$d = $d->Dump();
		207	}
		208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		209	$d
		210	} || "[unable to dump $_[0]: '$@']";
		211	}
		212
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
162		214
163	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
164		216
165	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
166		218
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
175		220
176	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
177		222
178	=cut
179
180	sub to_json($) {
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	223	=item cf::lock_wait $string
208		224
209	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
210		226
211	=item my $lock = cf::lock_acquire $string	227	=item my $lock = cf::lock_acquire $string
212		228
213	Wait until the given lock is available and then acquires it and returns	229	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,	230	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	231	for example when the coroutine gets canceled), the lock is automatically
216	returned.	232	returned.
217		233
218	Lock names should begin with a unique identifier (for example, find_map	234	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and load_map uses map_load).	235	uses map_find and cf::map::load uses map_load).
220		236
221	=cut	237	=cut
222		238
223	our %LOCK;	239	our %LOCK;
224		240
…		…
238	# wait, to be sure we are not locked	254	# wait, to be sure we are not locked
239	lock_wait $key;	255	lock_wait $key;
240		256
241	$LOCK{$key} = [];	257	$LOCK{$key} = [];
242		258
243	cf::guard {	259	Coro::guard {
244	# wake up all waiters, to be on the safe side	260	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	261	$_->ready for @{ delete $LOCK{$key} };
246	}	262	}
247	}	263	}
248		264
		265	sub freeze_mainloop {
		266	return unless $TICK_WATCHER->is_active;
		267
		268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
		271	$TICK_WATCHER->stop;
		272	$guard
		273	}
		274
249	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
250		276
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	277	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
253		280
254	=cut	281	=cut
255		282
256	sub async(&) {	283	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		284
265	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
266		286
267	The design of crossfire+ requires that the main coro ($Coro::main) is	287	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	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
282	# this is the main coro, too bad, we have to block	302	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	303	# till the operation succeeds, freezing the server :/
284		304
285	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
286	# (but this is cancel-safe)	306	# (but this is cancel-safe)
287	local $FREEZE = 1;	307	my $freeze_guard = freeze_mainloop;
288		308
289	my $busy = 1;	309	my $busy = 1;
290	my @res;	310	my @res;
291		311
292	(Coro::async {	312	(async {
293	@res = eval { $job->() };	313	@res = eval { $job->() };
294	warn $@ if $@;	314	warn $@ if $@;
295	undef $busy;	315	undef $busy;
296	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
297		317
298	while ($busy) {	318	while ($busy) {
299	Coro::cede_notself;	319	Coro::cede or Event::one_event;
300	Event::one_event unless Coro::nready;
301	}	320	}
302		321
303	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
304	} else {	323	} else {
305	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
306		325
307	$job->()	326	$job->()
308	}	327	}
309	}	328	}
310		329
311	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
312		331
313	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
315		334
316	=cut	335	=cut
317		336
318	sub coro(&) {	337	sub async_ext(&) {
319	my $cb = shift;	338	my $cb = shift;
320		339
321	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
322		341
323	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
325	});	344	});
326	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
327		346
328	$coro	347	$coro
329	}	348	}
330		349
331	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
332	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
333		354
334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
335	or return;	356	or return;
336		357
		358	my $value = $cf::RUNTIME + 90 + 10;
337	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;	363	and return;
340		364
		365	# always fsync - this file is important
341	aio_fsync $fh	366	aio_fsync $fh
342	and return;	367	and return;
343		368
344	close $fh	369	close $fh
345	or return;	370	or return;
…		…
348	and return;	373	and return;
349		374
350	1	375	1
351	}	376	}
352		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
353	=back	389	=back
354		390
355	=cut	391	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($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		392
477	#############################################################################	393	#############################################################################
478		394
479	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
480		396
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	523	our @CB_MAP = ();
608		524
609	my %attachment;	525	my %attachment;
610		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
611	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
613		535
614	use sort 'stable';	536	use sort 'stable';
615		537
…		…
786	# object support	708	# object support
787		709
788	sub reattach {	710	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		715
792	my $registry = $obj->registry;	716	my $registry = $obj->registry;
793		717
794	@$registry = ();	718	@$registry = ();
795		719
…		…
842	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
843		767
844	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
845	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
846	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
847	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
848	close $fh;	772	close $fh;
849		773
850	if (@$objs) {	774	if (@$objs) {
851	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
853	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
854	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
855	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
856	close $fh;	780	close $fh;
857	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
858	}	782	}
859	} else {	783	} else {
860	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
927	=cut	851	=cut
928		852
929	sub register_extcmd {	853	sub register_extcmd {
930	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
931		855
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
936	}	857	}
937		858
938	cf::player->attach (	859	cf::player->attach (
939	on_command => sub {	860	on_command => sub {
940	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
953		874
954	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
955		876
956	if (ref $msg) {	877	if (ref $msg) {
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
959	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
960	}	881	}
961	}	882	}
962	} else {	883	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
965		886
966	cf::override;	887	cf::override;
967	},	888	},
968	);	889	);
969		890
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	891	sub load_extension {
977	my ($path) = @_;	892	my ($path) = @_;
978		893
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
980	my $base = $1;	895	my $base = $1;
981	my $pkg = $1;	896	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
984		899
985	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
986		901
987	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
988	or die "$path: $!";	903	or die "$path: $!";
989		904
990	my $source =	905	my $source =
991	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
994	. "\n};\n1";	909	. "\n};\n1";
995		910
996	eval $source	911	unless (eval $source) {
997	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
998	: "extension disabled.\n";	913	: "extension disabled.\n";
999		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000	push @exts, $pkg;	915	warn $@;
1001	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
1002		917	exit 1;
1003	# no strict 'refs';	918	}
1004	# @{"$pkg\::ISA"} = ext::;	919	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	# }	920	}
1019		921
1020	# remove commands	922	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	}	923	}
1045		924
1046	sub load_extensions {	925	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	927	next unless -r $ext;
…		…
1052	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1053	}	932	}
1054	}	933	}
1055		934
1056	#############################################################################	935	#############################################################################
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		936
1094	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1095		938
1096	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1097		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1098	=head3 cf::player	947	=head3 cf::player
1099		948
1100	=over 4	949	=over 4
1101		950
1102	=item cf::player::exists $login	951	=item cf::player::find $login
1103		952
1104	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1105		954
1106	=cut	955	=cut
1107		956
1108	sub cf::player::exists($) {	957	sub playerdir($) {
1109	cf::player::find $_[0]	958	cf::localdir
1110	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	959	. "/"
		960	. cf::playerdir
		961	. "/"
		962	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	963	}
1112		964
		965	sub path($) {
		966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		967
		968	(playerdir $login) . "/playerdata"
		969	}
		970
		971	sub find_active($) {
		972	$cf::PLAYER{$_[0]}
		973	and $cf::PLAYER{$_[0]}->active
		974	and $cf::PLAYER{$_[0]}
		975	}
		976
		977	sub exists($) {
		978	my ($login) = @_;
		979
		980	$cf::PLAYER{$login}
		981	or cf::sync_job { !aio_stat path $login }
		982	}
		983
		984	sub find($) {
		985	return $cf::PLAYER{$_[0]} || do {
		986	my $login = $_[0];
		987
		988	my $guard = cf::lock_acquire "user_find:$login";
		989
		990	$cf::PLAYER{$_[0]} || do {
		991	# rename old playerfiles to new ones
		992	#TODO: remove when no longer required
		993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		995	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		996	aio_unlink +(playerdir $login) . "/$login.pl";
		997
		998	my $pl = load_pl path $login
		999	or return;
		1000	$cf::PLAYER{$login} = $pl
		1001	}
		1002	}
		1003	}
		1004
		1005	sub save($) {
		1006	my ($pl) = @_;
		1007
		1008	return if $pl->{deny_save};
		1009
		1010	my $path = path $pl;
		1011	my $guard = cf::lock_acquire "user_save:$path";
		1012
		1013	return if $pl->{deny_save};
		1014
		1015	aio_mkdir playerdir $pl, 0770;
		1016	$pl->{last_save} = $cf::RUNTIME;
		1017
		1018	$pl->save_pl ($path);
		1019	Coro::cede;
		1020	}
		1021
		1022	sub new($) {
		1023	my ($login) = @_;
		1024
		1025	my $self = create;
		1026
		1027	$self->ob->name ($login);
		1028	$self->{deny_save} = 1;
		1029
		1030	$cf::PLAYER{$login} = $self;
		1031
		1032	$self
		1033	}
		1034
		1035	=item $pl->quit_character
		1036
		1037	Nukes the player without looking back. If logged in, the connection will
		1038	be destroyed. May block for a long time.
		1039
		1040	=cut
		1041
		1042	sub quit_character {
		1043	my ($pl) = @_;
		1044
		1045	my $name = $pl->ob->name;
		1046
		1047	$pl->{deny_save} = 1;
		1048	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1049
		1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1051	$pl->deactivate;
		1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1053	$pl->ns->destroy if $pl->ns;
		1054
		1055	my $path = playerdir $pl;
		1056	my $temp = "$path~$cf::RUNTIME~deleting~";
		1057	aio_rename $path, $temp;
		1058	delete $cf::PLAYER{$pl->ob->name};
		1059	$pl->destroy;
		1060
		1061	my $prefix = qr<^~\Q$name\E/>;
		1062
		1063	# nuke player maps
		1064	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1065
		1066	IO::AIO::aio_rmtree $temp;
		1067	}
		1068
		1069	=item $pl->kick
		1070
		1071	Kicks a player out of the game. This destroys the connection.
		1072
		1073	=cut
		1074
		1075	sub kick {
		1076	my ($pl, $kicker) = @_;
		1077
		1078	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1079	$pl->killer ("kicked");
		1080	$pl->ns->destroy;
		1081	}
		1082
		1083	=item cf::player::list_logins
		1084
		1085	Returns am arrayref of all valid playernames in the system, can take a
		1086	while and may block, so not sync_job-capable, ever.
		1087
		1088	=cut
		1089
		1090	sub list_logins {
		1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1092	or return [];
		1093
		1094	my @logins;
		1095
		1096	for my $login (@$dirs) {
		1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1098	aio_read $fh, 0, 512, my $buf, 0 or next;
		1099	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1100
		1101	utf8::decode $login;
		1102	push @logins, $login;
		1103	}
		1104
		1105	\@logins
		1106	}
		1107
		1108	=item $player->maps
		1109
		1110	Returns an arrayref of map paths that are private for this
		1111	player. May block.
		1112
		1113	=cut
		1114
		1115	sub maps($) {
		1116	my ($pl) = @_;
		1117
		1118	$pl = ref $pl ? $pl->ob->name : $pl;
		1119
		1120	my $files = aio_readdir playerdir $pl
		1121	or return;
		1122
		1123	my @paths;
		1124
		1125	for (@$files) {
		1126	utf8::decode $_;
		1127	next if /\.(?:pl|pst)$/;
		1128	next unless /^$PATH_SEP/o;
		1129
		1130	push @paths, cf::map::normalise "~$pl/$_";
		1131	}
		1132
		1133	\@paths
		1134	}
		1135
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1136	=item $player->ext_reply ($msgid, %msg)
1114		1137
1115	Sends an ext reply to the player.	1138	Sends an ext reply to the player.
1116		1139
1117	=cut	1140	=cut
1118		1141
1119	sub cf::player::ext_reply($$$%) {	1142	sub ext_reply($$%) {
1120	my ($self, $id, %msg) = @_;	1143	my ($self, $id, %msg) = @_;
1121		1144
1122	$msg{msgid} = $id;	1145	$msg{msgid} = $id;
1123		1146
1124	$self->send ("ext " . to_json \%msg);	1147	$self->send ("ext " . cf::to_json \%msg);
1125	}	1148	}
		1149
		1150	=item $player->ext_event ($type, %msg)
		1151
		1152	Sends an ext event to the client.
		1153
		1154	=cut
		1155
		1156	sub ext_event($$%) {
		1157	my ($self, $type, %msg) = @_;
		1158
		1159	$self->ns->ext_event ($type, %msg);
		1160	}
		1161
		1162	package cf;
1126		1163
1127	=back	1164	=back
1128		1165
1129		1166
1130	=head3 cf::map	1167	=head3 cf::map
…		…
1136	package cf::map;	1173	package cf::map;
1137		1174
1138	use Fcntl;	1175	use Fcntl;
1139	use Coro::AIO;	1176	use Coro::AIO;
1140		1177
		1178	use overload
		1179	'""' => \&as_string,
		1180	fallback => 1;
		1181
1141	our $MAX_RESET = 7200;	1182	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1183	our $DEFAULT_RESET = 3000;
1143		1184
1144	sub generate_random_map {	1185	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1186	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1187	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1188	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1192	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1193	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1194	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1195	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1196	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1197	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1198	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(cf::region::find $rmp->{region})	1199	(cf::region::find $rmp->{region}), $rmp->{custom}
		1200	)
		1201	}
		1202
		1203	=item cf::map->register ($regex, $prio)
		1204
		1205	Register a handler for the map path matching the given regex at the
		1206	givne priority (higher is better, built-in handlers have priority 0, the
		1207	default).
		1208
		1209	=cut
		1210
		1211	sub register {
		1212	my (undef, $regex, $prio) = @_;
		1213	my $pkg = caller;
		1214
		1215	no strict;
		1216	push @{"$pkg\::ISA"}, __PACKAGE__;
		1217
		1218	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1219	}
		1220
		1221	# also paths starting with '/'
		1222	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1223
		1224	sub thawer_merge {
		1225	my ($self, $merge) = @_;
		1226
		1227	# we have to keep some variables in memory intact
		1228	local $self->{path};
		1229	local $self->{load_path};
		1230	local $self->{deny_save};
		1231	local $self->{deny_reset};
		1232
		1233	$self->SUPER::thawer_merge ($merge);
		1234	}
		1235
		1236	sub normalise {
		1237	my ($path, $base) = @_;
		1238
		1239	$path = "$path"; # make sure its a string
		1240
		1241	$path =~ s/\.map$//;
		1242
		1243	# map plan:
		1244	#
		1245	# /! non-realised random map exit (special hack!)
		1246	# {... are special paths that are not being touched
		1247	# ?xxx/... are special absolute paths
		1248	# ?random/... random maps
		1249	# /... normal maps
		1250	# ~user/... per-player map of a specific user
		1251
		1252	$path =~ s/$PATH_SEP/\//go;
		1253
		1254	# treat it as relative path if it starts with
		1255	# something that looks reasonable
		1256	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1257	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1258
		1259	$base =~ s{[^/]+/?$}{};
		1260	$path = "$base/$path";
		1261	}
		1262
		1263	for ($path) {
		1264	redo if s{//}{/};
		1265	redo if s{/\.?/}{/};
		1266	redo if s{/[^/]+/\.\./}{/};
		1267	}
		1268
		1269	$path
		1270	}
		1271
		1272	sub new_from_path {
		1273	my (undef, $path, $base) = @_;
		1274
		1275	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1276
		1277	$path = normalise $path, $base;
		1278
		1279	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1280	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1281	my $self = bless cf::map::new, $pkg;
		1282	$self->{path} = $path; $self->path ($path);
		1283	$self->init; # pass $1 etc.
		1284	return $self;
		1285	}
		1286	}
		1287
		1288	Carp::carp "unable to resolve path '$path' (base '$base').";
		1289	()
		1290	}
		1291
		1292	sub init {
		1293	my ($self) = @_;
		1294
		1295	$self
		1296	}
		1297
		1298	sub as_string {
		1299	my ($self) = @_;
		1300
		1301	"$self->{path}"
		1302	}
		1303
		1304	# the displayed name, this is a one way mapping
		1305	sub visible_name {
		1306	&as_string
		1307	}
		1308
		1309	# the original (read-only) location
		1310	sub load_path {
		1311	my ($self) = @_;
		1312
		1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1314	}
		1315
		1316	# the temporary/swap location
		1317	sub save_path {
		1318	my ($self) = @_;
		1319
		1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1322	}
		1323
		1324	# the unique path, undef == no special unique path
		1325	sub uniq_path {
		1326	my ($self) = @_;
		1327
		1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1161	}	1330	}
1162		1331
1163	# and all this just because we cannot iterate over	1332	# and all this just because we cannot iterate over
1164	# all maps in C++...	1333	# all maps in C++...
1165	sub change_all_map_light {	1334	sub change_all_map_light {
…		…
1167		1336
1168	$_->change_map_light ($change)	1337	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1338	for grep $_->outdoor, values %cf::MAP;
1170	}	1339	}
1171		1340
		1341	sub unlink_save {
		1342	my ($self) = @_;
		1343
		1344	utf8::encode (my $save = $self->save_path);
		1345	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1346	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1347	}
		1348
1172	sub try_load_header($) {	1349	sub load_header_from($) {
1173	my ($path) = @_;	1350	my ($self, $path) = @_;
1174		1351
1175	utf8::encode $path;	1352	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1353	#aio_open $path, O_RDONLY, 0
		1354	# or return;
		1355
		1356	$self->_load_header ($path)
1177	or return;	1357	or return;
1178		1358
1179	my $map = cf::map::new	1359	$self->{load_path} = $path;
		1360
		1361	1
		1362	}
		1363
		1364	sub load_header_orig {
		1365	my ($self) = @_;
		1366
		1367	$self->load_header_from ($self->load_path)
		1368	}
		1369
		1370	sub load_header_temp {
		1371	my ($self) = @_;
		1372
		1373	$self->load_header_from ($self->save_path)
		1374	}
		1375
		1376	sub prepare_temp {
		1377	my ($self) = @_;
		1378
		1379	$self->last_access ((delete $self->{last_access})
		1380	|| $cf::RUNTIME); #d#
		1381	# safety
		1382	$self->{instantiate_time} = $cf::RUNTIME
		1383	if $self->{instantiate_time} > $cf::RUNTIME;
		1384	}
		1385
		1386	sub prepare_orig {
		1387	my ($self) = @_;
		1388
		1389	$self->{load_original} = 1;
		1390	$self->{instantiate_time} = $cf::RUNTIME;
		1391	$self->last_access ($cf::RUNTIME);
		1392	$self->instantiate;
		1393	}
		1394
		1395	sub load_header {
		1396	my ($self) = @_;
		1397
		1398	if ($self->load_header_temp) {
		1399	$self->prepare_temp;
		1400	} else {
		1401	$self->load_header_orig
1180	or return;	1402	or return;
		1403	$self->prepare_orig;
		1404	}
1181		1405
1182	$map->load_header ($path)	1406	1
1183	or return;
1184
1185	$map->{load_path} = $path;
1186
1187	$map
1188	}	1407	}
1189		1408
1190	sub find_map;	1409	sub find;
1191	sub find_map {	1410	sub find {
1192	my ($path, $origin) = @_;	1411	my ($path, $origin) = @_;
1193		1412
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1413	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1414
1199	cf::lock_wait "map_find:$key";	1415	cf::lock_wait "map_find:$path";
1200		1416
1201	$cf::MAP{$key} || do {	1417	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1418	my $guard = cf::lock_acquire "map_find:$path";
1203		1419	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;	1420	or return;
1221		1421
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;	1422	$map->{last_save} = $cf::RUNTIME;
1234		1423
1235	if ($map->should_reset) {	1424	$map->load_header
		1425	or return;
		1426
		1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1428	# doing this can freeze the server in a sync job, obviously
		1429	#$cf::WAIT_FOR_TICK->wait;
1236	$map->reset;	1430	$map->reset;
1237	undef $guard;	1431	undef $guard;
1238	$map = find_map $path	1432	return find $path;
1239	or return;
1240	}	1433	}
1241		1434
1242	$cf::MAP{$key} = $map	1435	$cf::MAP{$path} = $map
1243	}	1436	}
1244	}	1437	}
		1438
		1439	sub pre_load { }
		1440	sub post_load { }
1245		1441
1246	sub load {	1442	sub load {
1247	my ($self) = @_;	1443	my ($self) = @_;
1248		1444
		1445	local $self->{deny_reset} = 1; # loading can take a long time
		1446
1249	my $path = $self->{path};	1447	my $path = $self->{path};
1250	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1448	my $guard = cf::lock_acquire "map_load:$path";
1251		1449
1252	return if $self->in_memory != cf::MAP_SWAPPED;	1450	return if $self->in_memory != cf::MAP_SWAPPED;
1253		1451
1254	$self->in_memory (cf::MAP_LOADING);	1452	$self->in_memory (cf::MAP_LOADING);
1255		1453
1256	$self->alloc;	1454	$self->alloc;
		1455
		1456	$self->pre_load;
		1457
1257	$self->load_objects ($self->{load_path}, 1)	1458	$self->_load_objects ($self->{load_path}, 1)
1258	or return;	1459	or return;
1259		1460
1260	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1261	if delete $self->{load_original};	1462	if delete $self->{load_original};
1262		1463
1263	if (my $uniq = $path->uniq_path) {	1464	if (my $uniq = $self->uniq_path) {
1264	utf8::encode $uniq;	1465	utf8::encode $uniq;
1265	if (aio_open $uniq, O_RDONLY, 0) {	1466	if (aio_open $uniq, O_RDONLY, 0) {
1266	$self->clear_unique_items;	1467	$self->clear_unique_items;
1267	$self->load_objects ($uniq, 0);	1468	$self->_load_objects ($uniq, 0);
1268	}	1469	}
1269	}	1470	}
		1471
		1472	Coro::cede;
1270		1473
1271	# now do the right thing for maps	1474	# now do the right thing for maps
1272	$self->link_multipart_objects;	1475	$self->link_multipart_objects;
1273		1476
1274	if ($self->{path}->is_style_map) {	1477	unless ($self->{deny_activate}) {
1275	$self->{deny_save} = 1;	1478	$self->decay_objects;
1276	$self->{deny_reset} = 1;
1277	} else {
1278	$self->fix_auto_apply;	1479	$self->fix_auto_apply;
1279	$self->decay_objects;
1280	$self->update_buttons;	1480	$self->update_buttons;
		1481	Coro::cede;
1281	$self->set_darkness_map;	1482	$self->set_darkness_map;
1282	$self->difficulty ($self->estimate_difficulty)	1483	$self->difficulty ($self->estimate_difficulty)
1283	unless $self->difficulty;	1484	unless $self->difficulty;
		1485	Coro::cede;
1284	$self->activate;	1486	$self->activate;
1285	}	1487	}
1286		1488
		1489	$self->post_load;
		1490
1287	$self->in_memory (cf::MAP_IN_MEMORY);	1491	$self->in_memory (cf::MAP_IN_MEMORY);
1288	}	1492	}
1289		1493
1290	sub load_map_sync {	1494	sub customise_for {
		1495	my ($self, $ob) = @_;
		1496
		1497	return find "~" . $ob->name . "/" . $self->{path}
		1498	if $self->per_player;
		1499
		1500	$self
		1501	}
		1502
		1503	# find and load all maps in the 3x3 area around a map
		1504	sub load_diag {
		1505	my ($map) = @_;
		1506
		1507	my @diag; # diagonal neighbours
		1508
		1509	for (0 .. 3) {
		1510	my $neigh = $map->tile_path ($_)
		1511	or next;
		1512	$neigh = find $neigh, $map
		1513	or next;
		1514	$neigh->load;
		1515
		1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1518	}
		1519
		1520	for (@diag) {
		1521	my $neigh = find @$_
		1522	or next;
		1523	$neigh->load;
		1524	}
		1525	}
		1526
		1527	sub find_sync {
1291	my ($path, $origin) = @_;	1528	my ($path, $origin) = @_;
1292		1529
1293	#warn "load_map_sync<$path, $origin>\n";#d#	1530	cf::sync_job { find $path, $origin }
		1531	}
1294		1532
1295	cf::sync_job {	1533	sub do_load_sync {
1296	my $map = cf::map::find_map $path, $origin	1534	my ($map) = @_;
1297	or return;	1535
		1536	cf::sync_job { $map->load };
		1537	}
		1538
		1539	our %MAP_PREFETCH;
		1540	our $MAP_PREFETCHER = undef;
		1541
		1542	sub find_async {
		1543	my ($path, $origin) = @_;
		1544
		1545	$path = normalise $path, $origin && $origin->{path};
		1546
		1547	if (my $map = $cf::MAP{$path}) {
		1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1549	}
		1550
		1551	undef $MAP_PREFETCH{$path};
		1552	$MAP_PREFETCHER ||= cf::async {
		1553	while (%MAP_PREFETCH) {
		1554	for my $path (keys %MAP_PREFETCH) {
		1555	my $map = find $path
		1556	or next;
1298	$map->load;	1557	$map->load;
1299	$map	1558
		1559	delete $MAP_PREFETCH{$path};
		1560	}
		1561	}
		1562	undef $MAP_PREFETCHER;
1300	}	1563	};
		1564	$MAP_PREFETCHER->prio (6);
		1565
		1566	()
1301	}	1567	}
1302		1568
1303	sub save {	1569	sub save {
1304	my ($self) = @_;	1570	my ($self) = @_;
1305		1571
		1572	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1573
1306	$self->{last_save} = $cf::RUNTIME;	1574	$self->{last_save} = $cf::RUNTIME;
1307		1575
1308	return unless $self->dirty;	1576	return unless $self->dirty;
1309		1577
1310	my $save = $self->{path}->save_path; utf8::encode $save;	1578	my $save = $self->save_path; utf8::encode $save;
1311	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1579	my $uniq = $self->uniq_path; utf8::encode $uniq;
1312		1580
1313	$self->{load_path} = $save;	1581	$self->{load_path} = $save;
1314		1582
1315	return if $self->{deny_save};	1583	return if $self->{deny_save};
1316		1584
1317	local $self->{last_access} = $self->last_access;#d#	1585	local $self->{last_access} = $self->last_access;#d#
1318		1586
		1587	cf::async {
		1588	$_->contr->save for $self->players;
		1589	};
		1590
1319	if ($uniq) {	1591	if ($uniq) {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1321	$self->save_objects ($uniq, cf::IO_UNIQUES);	1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1322	} else {	1594	} else {
1323	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1595	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1324	}	1596	}
1325	}	1597	}
1326		1598
1327	sub swap_out {	1599	sub swap_out {
1328	my ($self) = @_;	1600	my ($self) = @_;
1329		1601
1330	# save first because save cedes	1602	# save first because save cedes
1331	$self->save;	1603	$self->save;
		1604
		1605	my $lock = cf::lock_acquire "map_data:" . $self->path;
1332		1606
1333	return if $self->players;	1607	return if $self->players;
1334	return if $self->in_memory != cf::MAP_IN_MEMORY;	1608	return if $self->in_memory != cf::MAP_IN_MEMORY;
1335	return if $self->{deny_save};	1609	return if $self->{deny_save};
1336		1610
…		…
1340		1614
1341	sub reset_at {	1615	sub reset_at {
1342	my ($self) = @_;	1616	my ($self) = @_;
1343		1617
1344	# TODO: safety, remove and allow resettable per-player maps	1618	# TODO: safety, remove and allow resettable per-player maps
1345	return 1e99 if $self->{path}{user_rel};	1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1346	return 1e99 if $self->{deny_reset};	1620	return 1e99 if $self->{deny_reset};
1347		1621
1348	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1349	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1350		1624
…		…
1355	my ($self) = @_;	1629	my ($self) = @_;
1356		1630
1357	$self->reset_at <= $cf::RUNTIME	1631	$self->reset_at <= $cf::RUNTIME
1358	}	1632	}
1359		1633
1360	sub unlink_save {
1361	my ($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	$self->save;
1379	}
1380
1381	sub reset {	1634	sub reset {
1382	my ($self) = @_;	1635	my ($self) = @_;
1383		1636
		1637	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1638
1384	return if $self->players;	1639	return if $self->players;
1385	return if $self->{path}{user_rel};#d#	1640	return if $self->isa ("ext::map_per_player");#d#
1386		1641
1387	warn "resetting map ", $self->path;#d#	1642	warn "resetting map ", $self->path;#d#
1388		1643
		1644	$self->in_memory (cf::MAP_SWAPPED);
		1645
		1646	# need to save uniques path
		1647	unless ($self->{deny_save}) {
		1648	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1649
		1650	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1651	if $uniq;
		1652	}
		1653
1389	delete $cf::MAP{$self->path};	1654	delete $cf::MAP{$self->path};
		1655
		1656	$self->clear;
1390		1657
1391	$_->clear_links_to ($self) for values %cf::MAP;	1658	$_->clear_links_to ($self) for values %cf::MAP;
1392		1659
1393	$self->unlink_save;	1660	$self->unlink_save;
1394	$self->destroy;	1661	$self->destroy;
…		…
1397	my $nuke_counter = "aaaa";	1664	my $nuke_counter = "aaaa";
1398		1665
1399	sub nuke {	1666	sub nuke {
1400	my ($self) = @_;	1667	my ($self) = @_;
1401		1668
		1669	delete $cf::MAP{$self->path};
		1670
		1671	$self->unlink_save;
		1672
		1673	bless $self, "cf::map";
		1674	delete $self->{deny_reset};
1402	$self->{deny_save} = 1;	1675	$self->{deny_save} = 1;
1403	$self->reset_timeout (1);	1676	$self->reset_timeout (1);
1404	$self->rename ("{nuke}/" . ($nuke_counter++));	1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1678
		1679	$cf::MAP{$self->path} = $self;
		1680
1405	$self->reset; # polite request, might not happen	1681	$self->reset; # polite request, might not happen
1406	}	1682	}
1407		1683
1408	sub customise_for {	1684	=item cf::map::unique_maps
1409	my ($map, $ob) = @_;
1410		1685
1411	if ($map->per_player) {	1686	Returns an arrayref of paths of all shared maps that have
1412	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1687	instantiated unique items. May block.
1413	}
1414		1688
1415	$map	1689	=cut
1416	}
1417		1690
1418	sub emergency_save {	1691	sub unique_maps() {
1419	local $cf::FREEZE = 1;	1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1693	or return;
1420		1694
1421	warn "enter emergency map save\n";	1695	my @paths;
1422		1696
1423	cf::sync_job {	1697	for (@$files) {
1424	warn "begin emergency map save\n";	1698	utf8::decode $_;
1425	$_->save for values %cf::MAP;	1699	next if /\.pst$/;
		1700	next unless /^$PATH_SEP/o;
		1701
		1702	push @paths, cf::map::normalise $_;
1426	};	1703	}
1427		1704
1428	warn "end emergency map save\n";	1705	\@paths
1429	}	1706	}
1430		1707
1431	package cf;	1708	package cf;
1432		1709
1433	=back	1710	=back
1434		1711
		1712	=head3 cf::object
		1713
		1714	=cut
		1715
		1716	package cf::object;
		1717
		1718	=over 4
		1719
		1720	=item $ob->inv_recursive
		1721
		1722	Returns the inventory of the object _and_ their inventories, recursively.
		1723
		1724	=cut
		1725
		1726	sub inv_recursive_;
		1727	sub inv_recursive_ {
		1728	map { $_, inv_recursive_ $_->inv } @_
		1729	}
		1730
		1731	sub inv_recursive {
		1732	inv_recursive_ inv $_[0]
		1733	}
		1734
		1735	package cf;
		1736
		1737	=back
1435		1738
1436	=head3 cf::object::player	1739	=head3 cf::object::player
1437		1740
1438	=over 4	1741	=over 4
1439		1742
…		…
1479		1782
1480	=item $player_object->enter_link	1783	=item $player_object->enter_link
1481		1784
1482	Freezes the player and moves him/her to a special map (C<{link}>).	1785	Freezes the player and moves him/her to a special map (C<{link}>).
1483		1786
1484	The player should be reaosnably safe there for short amounts of time. You	1787	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.	1788	I<MUST> call C<leave_link> as soon as possible, though.
1486		1789
		1790	Will never block.
		1791
1487	=item $player_object->leave_link ($map, $x, $y)	1792	=item $player_object->leave_link ($map, $x, $y)
1488		1793
1489	Moves the player out of the specila link map onto the given map. If the	1794	Moves the player out of the special C<{link}> map onto the specified
1490	map is not valid (or omitted), the player will be moved back to the	1795	map. If the map is not valid (or omitted), the player will be moved back
1491	location he/she was before the call to C<enter_link>, or, if that fails,	1796	to the location he/she was before the call to C<enter_link>, or, if that
1492	to the emergency map position.	1797	fails, to the emergency map position.
1493		1798
1494	Might block.	1799	Might block.
1495		1800
1496	=cut	1801	=cut
		1802
		1803	sub link_map {
		1804	unless ($LINK_MAP) {
		1805	$LINK_MAP = cf::map::find "{link}"
		1806	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1807	$LINK_MAP->load;
		1808	}
		1809
		1810	$LINK_MAP
		1811	}
1497		1812
1498	sub cf::object::player::enter_link {	1813	sub cf::object::player::enter_link {
1499	my ($self) = @_;	1814	my ($self) = @_;
1500		1815
1501	$self->deactivate_recursive;	1816	$self->deactivate_recursive;
1502		1817
1503	return if $self->map == $LINK_MAP;	1818	return if UNIVERSAL::isa $self->map, "ext::map_link";
1504		1819
1505	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1506	if $self->map;	1821	if $self->map;
1507		1822
1508	$self->enter_map ($LINK_MAP, 20, 20);	1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1509	}	1824	}
1510		1825
1511	sub cf::object::player::leave_link {	1826	sub cf::object::player::leave_link {
1512	my ($self, $map, $x, $y) = @_;	1827	my ($self, $map, $x, $y) = @_;
1513		1828
1514	my $link_pos = delete $self->{_link_pos};	1829	my $link_pos = delete $self->{_link_pos};
1515		1830
1516	unless ($map) {	1831	unless ($map) {
1517	# restore original map position	1832	# restore original map position
1518	($map, $x, $y) = @{ $link_pos || [] };	1833	($map, $x, $y) = @{ $link_pos || [] };
1519	$map = cf::map::find_map $map;	1834	$map = cf::map::find $map;
1520		1835
1521	unless ($map) {	1836	unless ($map) {
1522	($map, $x, $y) = @$EMERGENCY_POSITION;	1837	($map, $x, $y) = @$EMERGENCY_POSITION;
1523	$map = cf::map::find_map $map	1838	$map = cf::map::find $map
1524	or die "FATAL: cannot load emergency map\n";	1839	or die "FATAL: cannot load emergency map\n";
1525	}	1840	}
1526	}	1841	}
1527		1842
1528	($x, $y) = (-1, -1)	1843	($x, $y) = (-1, -1)
…		…
1531	# use -1 or undef as default coordinates, not 0, 0	1846	# use -1 or undef as default coordinates, not 0, 0
1532	($x, $y) = ($map->enter_x, $map->enter_y)	1847	($x, $y) = ($map->enter_x, $map->enter_y)
1533	if $x <=0 && $y <= 0;	1848	if $x <=0 && $y <= 0;
1534		1849
1535	$map->load;	1850	$map->load;
		1851	$map->load_diag;
1536		1852
		1853	return unless $self->contr->active;
1537	$self->activate_recursive;	1854	$self->activate_recursive;
		1855
		1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1538	$self->enter_map ($map, $x, $y);	1857	$self->enter_map ($map, $x, $y);
1539	}	1858	}
1540		1859
1541	cf::player->attach (	1860	cf::player->attach (
1542	on_logout => sub {	1861	on_logout => sub {
…		…
1554		1873
1555	# try to abort aborted map switching on player login :)	1874	# try to abort aborted map switching on player login :)
1556	# should happen only on crashes	1875	# should happen only on crashes
1557	if ($pl->ob->{_link_pos}) {	1876	if ($pl->ob->{_link_pos}) {
1558	$pl->ob->enter_link;	1877	$pl->ob->enter_link;
1559	cf::async {	1878	(async {
		1879	$pl->ob->reply (undef,
		1880	"There was an internal problem at your last logout, "
		1881	. "the server will try to bring you to your intended destination in a second.",
		1882	cf::NDI_RED);
1560	# we need this sleep as the login has a concurrent enter_exit running	1883	# 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	1884	# and this sleep increases chances of the player not ending up in scorn
1562	Coro::Timer::sleep 1;	1885	Coro::Timer::sleep 1;
1563	$pl->ob->leave_link;	1886	$pl->ob->leave_link;
1564	};	1887	})->prio (2);
1565	}	1888	}
1566	},	1889	},
1567	);	1890	);
1568		1891
1569	=item $player_object->goto_map ($path, $x, $y)	1892	=item $player_object->goto ($path, $x, $y)
1570		1893
1571	=cut	1894	=cut
1572		1895
1573	sub cf::object::player::goto_map {	1896	sub cf::object::player::goto {
1574	my ($self, $path, $x, $y) = @_;	1897	my ($self, $path, $x, $y) = @_;
1575		1898
1576	$self->enter_link;	1899	$self->enter_link;
1577		1900
1578	(cf::async {	1901	(async {
1579	$path = new cf::path $path;	1902	my $map = eval {
1580
1581	my $map = cf::map::find_map $path->as_string;	1903	my $map = cf::map::find $path;
1582	$map = $map->customise_for ($self) if $map;	1904	$map = $map->customise_for ($self) if $map;
1583		1905	$map
1584	# warn "entering ", $map->path, " at ($x, $y)\n"	1906	} or
1585	# if $map;
1586
1587	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1588		1908
1589	$self->leave_link ($map, $x, $y);	1909	$self->leave_link ($map, $x, $y);
1590	})->prio (1);	1910	})->prio (1);
1591	}	1911	}
1592		1912
…		…
1596		1916
1597	sub parse_random_map_params {	1917	sub parse_random_map_params {
1598	my ($spec) = @_;	1918	my ($spec) = @_;
1599		1919
1600	my $rmp = { # defaults	1920	my $rmp = { # defaults
1601	xsize => 10,	1921	xsize => (cf::rndm 15, 40),
1602	ysize => 10,	1922	ysize => (cf::rndm 15, 40),
		1923	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1924	#layout => string,
1603	};	1925	};
1604		1926
1605	for (split /\n/, $spec) {	1927	for (split /\n/, $spec) {
1606	my ($k, $v) = split /\s+/, $_, 2;	1928	my ($k, $v) = split /\s+/, $_, 2;
1607		1929
…		…
1611	$rmp	1933	$rmp
1612	}	1934	}
1613		1935
1614	sub prepare_random_map {	1936	sub prepare_random_map {
1615	my ($exit) = @_;	1937	my ($exit) = @_;
		1938
		1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1616		1940
1617	# all this does is basically replace the /! path by	1941	# all this does is basically replace the /! path by
1618	# a new random map path (?random/...) with a seed	1942	# a new random map path (?random/...) with a seed
1619	# that depends on the exit object	1943	# that depends on the exit object
1620		1944
1621	my $rmp = parse_random_map_params $exit->msg;	1945	my $rmp = parse_random_map_params $exit->msg;
1622		1946
1623	if ($exit->map) {	1947	if ($exit->map) {
1624	$rmp->{region} = $exit->map->region_name;	1948	$rmp->{region} = $exit->region->name;
1625	$rmp->{origin_map} = $exit->map->path;	1949	$rmp->{origin_map} = $exit->map->path;
1626	$rmp->{origin_x} = $exit->x;	1950	$rmp->{origin_x} = $exit->x;
1627	$rmp->{origin_y} = $exit->y;	1951	$rmp->{origin_y} = $exit->y;
1628	}	1952	}
1629		1953
1630	$rmp->{random_seed} ||= $exit->random_seed;	1954	$rmp->{random_seed} ||= $exit->random_seed;
1631		1955
1632	my $data = cf::to_json $rmp;	1956	my $data = cf::to_json $rmp;
1633	my $md5 = Digest::MD5::md5_hex $data;	1957	my $md5 = Digest::MD5::md5_hex $data;
		1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1634		1959
1635	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1636	aio_write $fh, 0, (length $data), $data, 0;	1961	aio_write $fh, 0, (length $data), $data, 0;
		1962	undef $fh;
		1963	aio_rename "$meta~", $meta;
1637		1964
1638	$exit->slaying ("?random/$md5");	1965	$exit->slaying ("?random/$md5");
1639	$exit->msg (undef);	1966	$exit->msg (undef);
1640	}	1967	}
1641	}	1968	}
…		…
1643	sub cf::object::player::enter_exit {	1970	sub cf::object::player::enter_exit {
1644	my ($self, $exit) = @_;	1971	my ($self, $exit) = @_;
1645		1972
1646	return unless $self->type == cf::PLAYER;	1973	return unless $self->type == cf::PLAYER;
1647		1974
		1975	if ($exit->slaying eq "/!") {
		1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1977	# the problem is that $exit might not survive long enough
		1978	# so it needs to be done right now, right here
		1979	cf::sync_job { prepare_random_map $exit };
		1980	}
		1981
		1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1983	my $hp = $exit->stats->hp;
		1984	my $sp = $exit->stats->sp;
		1985
1648	$self->enter_link;	1986	$self->enter_link;
1649		1987
1650	(cf::async {	1988	(async {
		1989	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	1990	unless (eval {
1652	prepare_random_map $exit	1991	$self->goto ($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		1992
1658	1;	1993	1;
1659	}) {	1994	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	1995	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "I'll try to bring you back to the map you were before. "	1996	. "I'll try to bring you back to the map you were before. "
1662	. "Please report this to the dungeon master",	1997	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	1998	cf::NDI_UNIQUE | cf::NDI_RED);
1664		1999
1665	warn "ERROR in enter_exit: $@";	2000	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	2001	$self->leave_link;
1667	}	2002	}
1668	})->prio (1);	2003	})->prio (1);
…		…
1681		2016
1682	sub cf::client::send_drawinfo {	2017	sub cf::client::send_drawinfo {
1683	my ($self, $text, $flags) = @_;	2018	my ($self, $text, $flags) = @_;
1684		2019
1685	utf8::encode $text;	2020	utf8::encode $text;
1686	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1687	}	2022	}
1688		2023
		2024	=item $client->ext_event ($type, %msg)
		2025
		2026	Sends an exti event to the client.
		2027
		2028	=cut
		2029
		2030	sub cf::client::ext_event($$%) {
		2031	my ($self, $type, %msg) = @_;
		2032
		2033	$msg{msgtype} = "event_$type";
		2034	$self->send_packet ("ext " . cf::to_json \%msg);
		2035	}
1689		2036
1690	=item $success = $client->query ($flags, "text", \&cb)	2037	=item $success = $client->query ($flags, "text", \&cb)
1691		2038
1692	Queues a query to the client, calling the given callback with	2039	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>,	2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1722	# get handled first	2069	# get handled first
1723	my $queue = delete $ns->{query_queue}	2070	my $queue = delete $ns->{query_queue}
1724	or return; # be conservative, not sure how that can happen, but we saw a crash here	2071	or return; # be conservative, not sure how that can happen, but we saw a crash here
1725		2072
1726	(shift @$queue)->[1]->($msg);	2073	(shift @$queue)->[1]->($msg);
		2074	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727		2075
1728	push @{ $ns->{query_queue} }, @$queue;	2076	push @{ $ns->{query_queue} }, @$queue;
1729		2077
1730	if (@{ $ns->{query_queue} } == @$queue) {	2078	if (@{ $ns->{query_queue} } == @$queue) {
1731	if (@$queue) {	2079	if (@$queue) {
…		…
1735	}	2083	}
1736	}	2084	}
1737	},	2085	},
1738	);	2086	);
1739		2087
1740	=item $client->coro (\&cb)	2088	=item $client->async (\&cb)
1741		2089
1742	Create a new coroutine, running the specified callback. The coroutine will	2090	Create a new coroutine, running the specified callback. The coroutine will
1743	be automatically cancelled when the client gets destroyed (e.g. on logout,	2091	be automatically cancelled when the client gets destroyed (e.g. on logout,
1744	or loss of connection).	2092	or loss of connection).
1745		2093
1746	=cut	2094	=cut
1747		2095
1748	sub cf::client::coro {	2096	sub cf::client::async {
1749	my ($self, $cb) = @_;	2097	my ($self, $cb) = @_;
1750		2098
1751	my $coro = &cf::async ($cb);	2099	my $coro = &Coro::async ($cb);
1752		2100
1753	$coro->on_destroy (sub {	2101	$coro->on_destroy (sub {
1754	delete $self->{_coro}{$coro+0};	2102	delete $self->{_coro}{$coro+0};
1755	});	2103	});
1756		2104
…		…
1789		2137
1790	# here we export the classes and methods available to script code	2138	# here we export the classes and methods available to script code
1791		2139
1792	=pod	2140	=pod
1793		2141
1794	The following fucntions and emthods are available within a safe environment:	2142	The following functions and methods are available within a safe environment:
1795		2143
1796	cf::object contr pay_amount pay_player map	2144	cf::object contr pay_amount pay_player map
1797	cf::object::player player	2145	cf::object::player player
1798	cf::player peaceful	2146	cf::player peaceful
1799	cf::map trigger	2147	cf::map trigger
…		…
1892	The parameter C<$family> should best start with the name of the extension	2240	The parameter C<$family> should best start with the name of the extension
1893	using it, it should be unique.	2241	using it, it should be unique.
1894		2242
1895	=over 4	2243	=over 4
1896		2244
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	2245	=item $value = cf::db_get $family => $key
1904		2246
1905	Returns a single value from the database	2247	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		2248
1912	=item cf::db_put $family => $key => $value	2249	=item cf::db_put $family => $key => $value
1913		2250
1914	Stores the given C<$value> in the family hash. Updates are delayed, if you	2251	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		2252
1925	=cut	2253	=cut
1926		2254
1927	our $DB;	2255	our $DB;
1928		2256
1929	{	2257	sub db_init {
		2258	unless ($DB) {
		2259	$DB = BDB::db_create $DB_ENV;
		2260
		2261	cf::sync_job {
		2262	eval {
		2263	$DB->set_flags (BDB::CHKSUM);
		2264
		2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2267	cf::cleanup "db_open(db): $!" if $!;
		2268	};
		2269	cf::cleanup "db_open(db): $@" if $@;
		2270	};
		2271
1930	my $path = cf::localdir . "/database.pst";	2272	my $path = cf::localdir . "/database.pst";
		2273	if (stat $path) {
		2274	cf::sync_job {
		2275	my $pst = Storable::retrieve $path;
1931		2276
1932	sub db_load() {	2277	cf::db_put (board => data => $pst->{board});
1933	$DB = stat $path ? Storable::retrieve $path : { };	2278	cf::db_put (guildrules => data => $pst->{guildrules});
1934	}	2279	cf::db_put (rent => balance => $pst->{rent}{balance});
		2280	BDB::db_env_txn_checkpoint $DB_ENV;
1935		2281
1936	my $pid;	2282	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	}	2283	};
1946	}	2284	}
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	});	2285	}
		2286	}
1958		2287
1959	sub db_dirty() {
1960	$dirty = 1;
1961	$idle->start;
1962	}
1963
1964	sub db_get($;$) {	2288	sub db_get($$) {
1965	@_ >= 2	2289	my $key = "$_[0]/$_[1]";
1966	? $DB->{$_[0]}{$_[1]}
1967	: ($DB->{$_[0]} ||= { })
1968	}
1969		2290
		2291	cf::sync_job {
		2292	BDB::db_get $DB, undef, $key, my $data;
		2293
		2294	$! ? ()
		2295	: Compress::LZF::sthaw $data
		2296	}
		2297	}
		2298
1970	sub db_put($$;$) {	2299	sub db_put($$$) {
1971	if (@_ >= 3) {	2300	BDB::dbreq_pri 4;
1972	$DB->{$_[0]}{$_[1]} = $_[2];	2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2302	}
		2303
		2304	#############################################################################
		2305	# the server's init and main functions
		2306
		2307	sub load_facedata {
		2308	my $path = sprintf "%s/facedata", cf::datadir;
		2309
		2310	warn "loading facedata from $path\n";
		2311
		2312	my $faces;
		2313	0 < aio_load $path, $faces
		2314	or die "$path: $!";
		2315
		2316	Coro::cede;
		2317	$faces = Storable::thaw $faces;
		2318	Coro::cede;
		2319
		2320	my $meta = delete $faces->{""};
		2321	$meta->{version} == 1
		2322	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2323
		2324	while (my ($face, $info) = each %$faces) {
		2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2329	Coro::cede;
		2330	}
		2331
		2332	while (my ($face, $info) = each %$faces) {
		2333	next unless $info->{smooth};
		2334	my $idx = cf::face::find $face
		2335	or next;
		2336	if (my $smooth = cf::face::find $info->{smooth}) {
		2337	cf::face::set_smooth $idx, $smooth;
1973	} else {	2338	} else {
1974	$DB->{$_[0]} = $_[1];	2339	warn "smooth face '$info->{smooth}' not found for face '$face'";
1975	}
1976	db_dirty;
1977	}
1978
1979	cf::global->attach (
1980	prio => 10000,
1981	on_cleanup => sub {
1982	db_sync;
1983	},	2340	}
1984	);	2341	Coro::cede;
1985	}	2342	}
1986		2343
1987	#############################################################################	2344	1
1988	# the server's main()	2345	}
		2346
		2347	sub reload_resources {
		2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2349	or die "unable to load regions file\n";#d#
		2350	load_facedata
		2351	or die "unable to load facedata\n";#d#
		2352	}
		2353
		2354	sub init {
		2355	reload_resources;
		2356	}
1989		2357
1990	sub cfg_load {	2358	sub cfg_load {
1991	open my $fh, "<:utf8", cf::confdir . "/config"	2359	open my $fh, "<:utf8", cf::confdir . "/config"
1992	or return;	2360	or return;
1993		2361
1994	local $/;	2362	local $/;
1995	*CFG = YAML::Syck::Load <$fh>;	2363	*CFG = YAML::Syck::Load <$fh>;
1996		2364
1997	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2365	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1998		2366
		2367	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2368	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2369
1999	if (exists $CFG{mlockall}) {	2370	if (exists $CFG{mlockall}) {
2000	eval {	2371	eval {
2001	$CFG{mlockall} ? &mlockall : &munlockall	2372	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2002	and die "WARNING: m(un)lockall failed: $!\n";	2373	and die "WARNING: m(un)lockall failed: $!\n";
2003	};	2374	};
2004	warn $@ if $@;	2375	warn $@ if $@;
2005	}	2376	}
2006	}	2377	}
2007		2378
2008	sub main {	2379	sub main {
2009	# we must not ever block the main coroutine	2380	# we must not ever block the main coroutine
2010	local $Coro::idle = sub {	2381	local $Coro::idle = sub {
2011	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2382	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2012	(Coro::unblock_sub {	2383	(async {
2013	Event::one_event;	2384	Event::one_event;
2014	})->();	2385	})->prio (Coro::PRIO_MAX);
2015	};	2386	};
2016		2387
2017	cfg_load;	2388	cfg_load;
2018	db_load;	2389	db_init;
2019	load_extensions;	2390	load_extensions;
		2391
		2392	$TICK_WATCHER->start;
2020	Event::loop;	2393	Event::loop;
2021	}	2394	}
2022		2395
2023	#############################################################################	2396	#############################################################################
2024	# initialisation	2397	# initialisation and cleanup
		2398
		2399	# install some emergency cleanup handlers
		2400	BEGIN {
		2401	for my $signal (qw(INT HUP TERM)) {
		2402	Event->signal (
		2403	reentrant => 0,
		2404	data => WF_AUTOCANCEL,
		2405	signal => $signal,
		2406	prio => 0,
		2407	cb => sub {
		2408	cf::cleanup "SIG$signal";
		2409	},
		2410	);
		2411	}
		2412	}
		2413
		2414	sub emergency_save() {
		2415	my $freeze_guard = cf::freeze_mainloop;
		2416
		2417	warn "enter emergency perl save\n";
		2418
		2419	cf::sync_job {
		2420	# use a peculiar iteration method to avoid tripping on perl
		2421	# refcount bugs in for. also avoids problems with players
		2422	# and maps saved/destroyed asynchronously.
		2423	warn "begin emergency player save\n";
		2424	for my $login (keys %cf::PLAYER) {
		2425	my $pl = $cf::PLAYER{$login} or next;
		2426	$pl->valid or next;
		2427	$pl->save;
		2428	}
		2429	warn "end emergency player save\n";
		2430
		2431	warn "begin emergency map save\n";
		2432	for my $path (keys %cf::MAP) {
		2433	my $map = $cf::MAP{$path} or next;
		2434	$map->valid or next;
		2435	$map->save;
		2436	}
		2437	warn "end emergency map save\n";
		2438
		2439	warn "begin emergency database checkpoint\n";
		2440	BDB::db_env_txn_checkpoint $DB_ENV;
		2441	warn "end emergency database checkpoint\n";
		2442	};
		2443
		2444	warn "leave emergency perl save\n";
		2445	}
		2446
		2447	sub post_cleanup {
		2448	my ($make_core) = @_;
		2449
		2450	warn Carp::longmess "post_cleanup backtrace"
		2451	if $make_core;
		2452	}
2025		2453
2026	sub reload() {	2454	sub reload() {
2027	# can/must only be called in main	2455	# can/must only be called in main
2028	if ($Coro::current != $Coro::main) {	2456	if ($Coro::current != $Coro::main) {
2029	warn "can only reload from main coroutine\n";	2457	warn "can only reload from main coroutine";
2030	return;	2458	return;
2031	}	2459	}
2032		2460
2033	warn "reloading...";	2461	warn "reloading...";
2034		2462
2035	local $FREEZE = 1;	2463	warn "entering sync_job";
		2464
		2465	cf::sync_job {
		2466	cf::write_runtime; # external watchdog should not bark
2036	cf::emergency_save;	2467	cf::emergency_save;
		2468	cf::write_runtime; # external watchdog should not bark
2037		2469
2038	eval {	2470	warn "syncing database to disk";
		2471	BDB::db_env_txn_checkpoint $DB_ENV;
		2472
2039	# if anything goes wrong in here, we should simply crash as we already saved	2473	# if anything goes wrong in here, we should simply crash as we already saved
2040		2474
2041	# cancel all watchers	2475	warn "cancelling all WF_AUTOCANCEL watchers";
2042	for (Event::all_watchers) {	2476	for (Event::all_watchers) {
2043	$_->cancel if $_->data & WF_AUTOCANCEL;	2477	$_->cancel if $_->data & WF_AUTOCANCEL;
2044	}	2478	}
2045		2479
		2480	warn "flushing outstanding aio requests";
		2481	for (;;) {
		2482	BDB::flush;
		2483	IO::AIO::flush;
		2484	Coro::cede;
		2485	last unless IO::AIO::nreqs || BDB::nreqs;
		2486	warn "iterate...";
		2487	}
		2488
		2489	++$RELOAD;
		2490
2046	# cancel all extension coros	2491	warn "cancelling all extension coros";
2047	$_->cancel for values %EXT_CORO;	2492	$_->cancel for values %EXT_CORO;
2048	%EXT_CORO = ();	2493	%EXT_CORO = ();
2049		2494
2050	# unload all extensions	2495	warn "removing commands";
2051	for (@exts) {	2496	%COMMAND = ();
		2497
		2498	warn "removing ext commands";
		2499	%EXTCMD = ();
		2500
		2501	warn "unloading/nuking all extensions";
		2502	for my $pkg (@EXTS) {
2052	warn "unloading <$_>";	2503	warn "... unloading $pkg";
2053	unload_extension $_;	2504
		2505	if (my $cb = $pkg->can ("unload")) {
		2506	eval {
		2507	$cb->($pkg);
		2508	1
		2509	} or warn "$pkg unloaded, but with errors: $@";
2054	}	2510	}
2055		2511
		2512	warn "... nuking $pkg";
		2513	Symbol::delete_package $pkg;
		2514	}
		2515
2056	# unload all modules loaded from $LIBDIR	2516	warn "unloading all perl modules loaded from $LIBDIR";
2057	while (my ($k, $v) = each %INC) {	2517	while (my ($k, $v) = each %INC) {
2058	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2518	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2059		2519
2060	warn "removing <$k>";	2520	warn "... unloading $k";
2061	delete $INC{$k};	2521	delete $INC{$k};
2062		2522
2063	$k =~ s/\.pm$//;	2523	$k =~ s/\.pm$//;
2064	$k =~ s/\//::/g;	2524	$k =~ s/\//::/g;
2065		2525
…		…
2068	}	2528	}
2069		2529
2070	Symbol::delete_package $k;	2530	Symbol::delete_package $k;
2071	}	2531	}
2072		2532
2073	# sync database to disk
2074	cf::db_sync;
2075	IO::AIO::flush;
2076
2077	# get rid of safe::, as good as possible	2533	warn "getting rid of safe::, as good as possible";
2078	Symbol::delete_package "safe::$_"	2534	Symbol::delete_package "safe::$_"
2079	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2535	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2080		2536
2081	# remove register_script_function callbacks
2082	# TODO
2083
2084	# unload cf.pm "a bit"	2537	warn "unloading cf.pm \"a bit\"";
2085	delete $INC{"cf.pm"};	2538	delete $INC{"cf.pm"};
2086		2539
2087	# don't, removes xs symbols, too,	2540	# don't, removes xs symbols, too,
2088	# and global variables created in xs	2541	# and global variables created in xs
2089	#Symbol::delete_package __PACKAGE__;	2542	#Symbol::delete_package __PACKAGE__;
2090		2543
2091	# reload cf.pm	2544	warn "unload completed, starting to reload now";
		2545
2092	warn "reloading cf.pm";	2546	warn "reloading cf.pm";
2093	require cf;	2547	require cf;
2094	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2548	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2095		2549
2096	# load config and database again	2550	warn "loading config and database again";
2097	cf::cfg_load;	2551	cf::cfg_load;
2098	cf::db_load;
2099		2552
2100	# load extensions
2101	warn "load extensions";	2553	warn "loading extensions";
2102	cf::load_extensions;	2554	cf::load_extensions;
2103		2555
2104	# reattach attachments to objects	2556	warn "reattaching attachments to objects/players";
2105	warn "reattach";	2557	_global_reattach; # objects, sockets
2106	_global_reattach;	2558	warn "reattaching attachments to maps";
2107	};	2559	reattach $_ for values %MAP;
		2560	warn "reattaching attachments to players";
		2561	reattach $_ for values %PLAYER;
2108		2562
2109	if ($@) {	2563	warn "loading reloadable resources";
		2564	reload_resources;
		2565
		2566	warn "leaving sync_job";
		2567
		2568	1
		2569	} or do {
2110	warn $@;	2570	warn $@;
2111	warn "error while reloading, exiting.";	2571	warn "error while reloading, exiting.";
2112	exit 1;	2572	exit 1;
2113	}	2573	};
2114		2574
2115	warn "reloaded successfully";	2575	warn "reloaded";
2116	};	2576	};
2117		2577
2118	#############################################################################	2578	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} = $LINK_MAP;
2159	}
2160
2161	register "<global>", __PACKAGE__;
2162		2579
2163	register_command "reload" => sub {	2580	register_command "reload" => sub {
2164	my ($who, $arg) = @_;	2581	my ($who, $arg) = @_;
2165		2582
2166	if ($who->flag (FLAG_WIZ)) {	2583	if ($who->flag (FLAG_WIZ)) {
2167	$who->message ("start of reload.");	2584	$who->message ("reloading server.");
		2585
		2586	# doing reload synchronously and two reloads happen back-to-back,
		2587	# coro crashes during coro_state_free->destroy here.
		2588
		2589	$RELOAD_WATCHER ||= Event->timer (
		2590	reentrant => 0,
		2591	after => 0,
		2592	data => WF_AUTOCANCEL,
		2593	cb => sub {
2168	reload;	2594	reload;
2169	$who->message ("end of reload.");	2595	undef $RELOAD_WATCHER;
		2596	},
		2597	);
2170	}	2598	}
2171	};	2599	};
2172		2600
2173	unshift @INC, $LIBDIR;	2601	unshift @INC, $LIBDIR;
		2602
		2603	my $bug_warning = 0;
2174		2604
2175	$TICK_WATCHER = Event->timer (	2605	$TICK_WATCHER = Event->timer (
2176	reentrant => 0,	2606	reentrant => 0,
		2607	parked => 1,
2177	prio => 0,	2608	prio => 0,
2178	at => $NEXT_TICK || $TICK,	2609	at => $NEXT_TICK || $TICK,
2179	data => WF_AUTOCANCEL,	2610	data => WF_AUTOCANCEL,
2180	cb => sub {	2611	cb => sub {
2181	unless ($FREEZE) {	2612	if ($Coro::current != $Coro::main) {
		2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2614	unless ++$bug_warning > 10;
		2615	return;
		2616	}
		2617
		2618	$NOW = Event::time;
		2619
2182	cf::server_tick; # one server iteration	2620	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2621	$RUNTIME += $TICK;
2184	}
2185
2186	$NEXT_TICK += $TICK;	2622	$NEXT_TICK += $TICK;
		2623
		2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2625	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2626	Coro::async_pool {
		2627	write_runtime
		2628	or warn "ERROR: unable to write runtime file: $!";
		2629	};
		2630	}
		2631
		2632	$WAIT_FOR_TICK->broadcast;
		2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2634
		2635	# my $AFTER = Event::time;
		2636	# warn $AFTER - $NOW;#d#
2187		2637
2188	# if we are delayed by four ticks or more, skip them all	2638	# if we are delayed by four ticks or more, skip them all
2189	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2190		2640
2191	$TICK_WATCHER->at ($NEXT_TICK);	2641	$TICK_WATCHER->at ($NEXT_TICK);
2192	$TICK_WATCHER->start;	2642	$TICK_WATCHER->start;
2193	},	2643	},
2194	);	2644	);
2195		2645
		2646	{
2196	IO::AIO::max_poll_time $TICK * 0.2;	2647	BDB::max_poll_time $TICK * 0.1;
2197		2648	$BDB_POLL_WATCHER = Event->io (
2198	Event->io (	2649	reentrant => 0,
2199	fd => IO::AIO::poll_fileno,	2650	fd => BDB::poll_fileno,
2200	poll => 'r',	2651	poll => 'r',
2201	prio => 5,	2652	prio => 0,
2202	data => WF_AUTOCANCEL,
2203	cb => \&IO::AIO::poll_cb,
2204	);
2205
2206	Event->timer (
2207	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2208	after => 0,	2654	cb => \&BDB::poll_cb,
2209	interval => 10,	2655	);
2210	cb => sub {	2656	BDB::min_parallel 8;
2211	(Coro::unblock_sub {	2657
2212	write_runtime	2658	BDB::set_sync_prepare {
2213	or warn "ERROR: unable to write runtime file: $!";	2659	my $status;
		2660	my $current = $Coro::current;
		2661	(
		2662	sub {
		2663	$status = $!;
		2664	$current->ready; undef $current;
		2665	},
		2666	sub {
		2667	Coro::schedule while defined $current;
		2668	$! = $status;
		2669	},
		2670	)
		2671	};
		2672
		2673	unless ($DB_ENV) {
		2674	$DB_ENV = BDB::db_env_create;
		2675
		2676	cf::sync_job {
		2677	eval {
		2678	BDB::db_env_open
		2679	$DB_ENV,
		2680	$BDB_ENV_DIR,
		2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2683	0666;
		2684
		2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2686
		2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2688	$DB_ENV->set_lk_detect;
		2689	};
		2690
		2691	cf::cleanup "db_env_open(db): $@" if $@;
2214	})->();	2692	};
2215	},	2693	}
2216	);	2694	}
		2695
		2696	{
		2697	IO::AIO::min_parallel 8;
		2698
		2699	undef $Coro::AIO::WATCHER;
		2700	IO::AIO::max_poll_time $TICK * 0.1;
		2701	$AIO_POLL_WATCHER = Event->io (
		2702	reentrant => 0,
		2703	data => WF_AUTOCANCEL,
		2704	fd => IO::AIO::poll_fileno,
		2705	poll => 'r',
		2706	prio => 6,
		2707	cb => \&IO::AIO::poll_cb,
		2708	);
		2709	}
2217		2710
2218	END { cf::emergency_save }	2711	END { cf::emergency_save }
2219		2712
2220	1	2713	1
2221		2714

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