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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.134 by root, Thu Jan 4 17:28:49 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 $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
55	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
56		86
57	binmode STDOUT;	87	binmode STDOUT;
58	binmode STDERR;	88	binmode STDERR;
59		89
60	# read virtual server time, if available	90	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	97	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	98	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	99	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	100	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	101	mkdir $RANDOM_MAPS;
		102	mkdir $BDB_ENV_DIR;
72		103
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	104	our $EMERGENCY_POSITION;
		105
		106	sub cf::map::normalise;
76		107
77	#############################################################################	108	#############################################################################
78		109
79	=head2 GLOBAL VARIABLES	110	=head2 GLOBAL VARIABLES
80		111
…		…
104		135
105	=item %cf::CFG	136	=item %cf::CFG
106		137
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	138	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		147
110	=back	148	=back
111		149
112	=cut	150	=cut
113		151
…		…
117	utf8::encode $msg;	155	utf8::encode $msg;
118		156
119	$msg .= "\n"	157	$msg .= "\n"
120	unless $msg =~ /\n$/;	158	unless $msg =~ /\n$/;
121		159
122	LOG llevError, "cfperl: $msg";	160	LOG llevError, $msg;
123	};	161	};
124	}	162	}
125		163
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		183
146	$Event::DIED = sub {	184	$Event::DIED = sub {
147	warn "error in event callback: @_";	185	warn "error in event callback: @_";
148	};	186	};
149		187
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
155		189
156	=over 4	190	=over 4
157		191
158	=cut	192	=item dumpval $ref
159		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
160	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
161		216
162	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
163		218
164	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
165		220
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
174		222
175	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
176		224
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183
184	=item my $guard = cf::guard { BLOCK }
185
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205
206	=item cf::lock_wait $string	225	=item cf::lock_wait $string
207		226
208	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
209		228
210	=item my $lock = cf::lock_acquire $string	229	=item my $lock = cf::lock_acquire $string
211		230
212	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
213	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,
214	for example when the coroutine gets canceled), the lock is automatically	233	for example when the coroutine gets canceled), the lock is automatically
215	returned.	234	returned.
216		235
217	Lock names should begin with a unique identifier (for example, cf::map::find	236	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	237	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	256	# wait, to be sure we are not locked
238	lock_wait $key;	257	lock_wait $key;
239		258
240	$LOCK{$key} = [];	259	$LOCK{$key} = [];
241		260
242	cf::guard {	261	Coro::guard {
243	# wake up all waiters, to be on the safe side	262	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	263	$_->ready for @{ delete $LOCK{$key} };
245	}	264	}
246	}	265	}
247		266
248	=item cf::async { BLOCK }
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {	267	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
266		269
267	my $guard = guard { $TICK_WATCHER->start };	270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
268	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
269	$guard	274	$guard
270	}	275	}
		276
		277	=item cf::async { BLOCK }
		278
		279	Currently the same as Coro::async_pool, meaning you cannot use
		280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		281	thing you are allowed to do is call C<prio> on it.
		282
		283	=cut
		284
		285	BEGIN { *async = \&Coro::async_pool }
271		286
272	=item cf::sync_job { BLOCK }	287	=item cf::sync_job { BLOCK }
273		288
274	The design of crossfire+ requires that the main coro ($Coro::main) is	289	The design of crossfire+ requires that the main coro ($Coro::main) is
275	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
…		…
294	my $freeze_guard = freeze_mainloop;	309	my $freeze_guard = freeze_mainloop;
295		310
296	my $busy = 1;	311	my $busy = 1;
297	my @res;	312	my @res;
298		313
299	(Coro::async {	314	(async {
300	@res = eval { $job->() };	315	@res = eval { $job->() };
301	warn $@ if $@;	316	warn $@ if $@;
302	undef $busy;	317	undef $busy;
303	})->prio (Coro::PRIO_MAX);	318	})->prio (Coro::PRIO_MAX);
304		319
305	while ($busy) {	320	while ($busy) {
306	Coro::cede_notself;	321	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	322	}
309		323
310	wantarray ? @res : $res[0]	324	wantarray ? @res : $res[0]
311	} else {	325	} else {
312	# we are in another coroutine, how wonderful, everything just works	326	# we are in another coroutine, how wonderful, everything just works
313		327
314	$job->()	328	$job->()
315	}	329	}
316	}	330	}
317		331
318	=item $coro = cf::coro { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
319		333
320	Creates and returns a new coro. This coro is automcatially being canceled	334	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	335	extension calling this is being unloaded.
322		336
323	=cut	337	=cut
324		338
325	sub coro(&) {	339	sub async_ext(&) {
326	my $cb = shift;	340	my $cb = shift;
327		341
328	my $coro = &cf::async ($cb);	342	my $coro = &Coro::async ($cb);
329		343
330	$coro->on_destroy (sub {	344	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	345	delete $EXT_CORO{$coro+0};
332	});	346	});
333	$EXT_CORO{$coro+0} = $coro;	347	$EXT_CORO{$coro+0} = $coro;
334		348
335	$coro	349	$coro
336	}	350	}
337		351
338	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
339	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
340		356
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	358	or return;
343		359
		360	my $value = $cf::RUNTIME + 90 + 10;
344	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
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	365	and return;
347		366
		367	# always fsync - this file is important
348	aio_fsync $fh	368	aio_fsync $fh
349	and return;	369	and return;
350		370
351	close $fh	371	close $fh
352	or return;	372	or return;
…		…
355	and return;	375	and return;
356		376
357	1	377	1
358	}	378	}
359		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
360	=back	391	=back
361		392
362	=cut	393	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		394
484	#############################################################################	395	#############################################################################
485		396
486	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
487		398
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	525	our @CB_MAP = ();
615		526
616	my %attachment;	527	my %attachment;
617		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
618	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
620		537
621	use sort 'stable';	538	use sort 'stable';
622		539
…		…
793	# object support	710	# object support
794		711
795	sub reattach {	712	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		717
799	my $registry = $obj->registry;	718	my $registry = $obj->registry;
800		719
801	@$registry = ();	720	@$registry = ();
802		721
…		…
849	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
850		769
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
854	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
855	close $fh;	774	close $fh;
856		775
857	if (@$objs) {	776	if (@$objs) {
858	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) {
859	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
862	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
863	close $fh;	782	close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
865	}	784	}
866	} else {	785	} else {
867	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
934	=cut	853	=cut
935		854
936	sub register_extcmd {	855	sub register_extcmd {
937	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
938		857
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
943	}	859	}
944		860
945	cf::player->attach (	861	cf::player->attach (
946	on_command => sub {	862	on_command => sub {
947	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
960		876
961	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
962		878
963	if (ref $msg) {	879	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	883	}
968	}	884	}
969	} else {	885	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		888
973	cf::override;	889	cf::override;
974	},	890	},
975	);	891	);
976		892
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	893	sub load_extension {
984	my ($path) = @_;	894	my ($path) = @_;
985		895
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	897	my $base = $1;
988	my $pkg = $1;	898	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
991		901
992	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
993		903
994	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
995	or die "$path: $!";	905	or die "$path: $!";
996		906
997	my $source =	907	my $source =
998	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
1001	. "\n};\n1";	911	. "\n};\n1";
1002		912
1003	eval $source	913	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	915	: "extension disabled.\n";
1006		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	917	warn $@;
1008	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
1009		919	exit 1;
1010	# no strict 'refs';	920	}
1011	# @{"$pkg\::ISA"} = ext::;	921	die $@;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	922	}
1026		923
1027	# remove commands	924	push @EXTS, $pkg;
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	925	}
1052		926
1053	sub load_extensions {	927	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	929	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1060	}	934	}
1061	}	935	}
1062		936
1063	#############################################################################	937	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100		938
1101	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1102		940
1103	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1104		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1105	=head3 cf::player	949	=head3 cf::player
1106		950
1107	=over 4	951	=over 4
1108		952
1109	=item cf::player::exists $login	953	=item cf::player::find $login
1110		954
1111	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1112		956
1113	=cut	957	=cut
1114		958
1115	sub cf::player::exists($) {	959	sub playerdir($) {
1116	cf::player::find $_[0]	960	cf::localdir
1117	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])
1118	}	965	}
1119		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
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1121		1139
1122	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1123		1141
1124	=cut	1142	=cut
1125		1143
1126	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1127	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1128		1146
1129	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1130		1148
1131	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		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
1132	}	1191	}
1133		1192
1134	=back	1193	=back
1135
1136		1194
1137	=head3 cf::map	1195	=head3 cf::map
1138		1196
1139	=over 4	1197	=over 4
1140		1198
…		…
1143	package cf::map;	1201	package cf::map;
1144		1202
1145	use Fcntl;	1203	use Fcntl;
1146	use Coro::AIO;	1204	use Coro::AIO;
1147		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1148	our $MAX_RESET = 3600;	1210	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1211	our $DEFAULT_RESET = 3000;
1150		1212
1151	sub generate_random_map {	1213	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1216	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$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},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(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
1168	}	1358	}
1169		1359
1170	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1171	# all maps in C++...	1361	# all maps in C++...
1172	sub change_all_map_light {	1362	sub change_all_map_light {
…		…
1174		1364
1175	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1177	}	1367	}
1178		1368
		1369	sub unlink_save {
		1370	my ($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
1179	sub try_load_header($) {	1377	sub load_header_from($) {
1180	my ($path) = @_;	1378	my ($self, $path) = @_;
1181		1379
1182	utf8::encode $path;	1380	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1184	or return;	1385	or return;
1185		1386
1186	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
1187	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1188		1433
1189	$map->load_header ($path)	1434	$self->default_region (cf::region::find_by_path $self->{path})
1190	or return;	1435	unless $self->default_region;
1191		1436
1192	$map->{load_path} = $path;	1437	1
1193
1194	$map
1195	}	1438	}
1196		1439
1197	sub find;	1440	sub find;
1198	sub find {	1441	sub find {
1199	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1200		1443
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1445
1206	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1207		1447
1208	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1210		1450	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	Coro::cede;
1215
1216	if ($map) {
1217	$map->last_access ((delete $map->{last_access})
1218	|| $cf::RUNTIME); #d#
1219	# safety
1220	$map->{instantiate_time} = $cf::RUNTIME
1221	if $map->{instantiate_time} > $cf::RUNTIME;
1222	} else {
1223	if (my $rmp = $path->random_map_params) {
1224	$map = generate_random_map $key, $rmp;
1225	} else {
1226	$map = try_load_header $path->load_path;
1227	}
1228
1229	$map or return;	1451	or return;
1230		1452
1231	$map->{load_original} = 1;
1232	$map->{instantiate_time} = $cf::RUNTIME;
1233	$map->last_access ($cf::RUNTIME);
1234	$map->instantiate;
1235
1236	# per-player maps become, after loading, normal maps
1237	$map->per_player (0) if $path->{user_rel};
1238	}
1239
1240	$map->path ($key);
1241	$map->{path} = $path;
1242	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1243		1454
1244	Coro::cede;	1455	$map->load_header
		1456	or return;
1245		1457
1246	if ($map->should_reset) {	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;
1247	$map->reset;	1461	$map->reset;
1248	undef $guard;	1462	undef $guard;
1249	$map = find $path	1463	return find $path;
1250	or return;
1251	}	1464	}
1252		1465
1253	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1254	}	1467	}
1255	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1256		1472
1257	sub load {	1473	sub load {
1258	my ($self) = @_;	1474	my ($self) = @_;
1259		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1260	my $path = $self->{path};	1478	my $path = $self->{path};
1261	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1262		1480
1263	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1264		1482
1265	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1266		1484
1267	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488
1268	$self->load_objects ($self->{load_path}, 1)	1489	$self->_load_objects ($self->{load_path}, 1)
1269	or return;	1490	or return;
1270		1491
1271	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1272	if delete $self->{load_original};	1493	if delete $self->{load_original};
1273		1494
1274	if (my $uniq = $path->uniq_path) {	1495	if (my $uniq = $self->uniq_path) {
1275	utf8::encode $uniq;	1496	utf8::encode $uniq;
1276	if (aio_open $uniq, O_RDONLY, 0) {	1497	if (aio_open $uniq, O_RDONLY, 0) {
1277	$self->clear_unique_items;	1498	$self->clear_unique_items;
1278	$self->load_objects ($uniq, 0);	1499	$self->_load_objects ($uniq, 0);
1279	}	1500	}
1280	}	1501	}
1281		1502
1282	Coro::cede;	1503	Coro::cede;
1283		1504
1284	# now do the right thing for maps	1505	# now do the right thing for maps
1285	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
1286		1507
1287	if ($self->{path}->is_style_map) {	1508	unless ($self->{deny_activate}) {
1288	$self->{deny_save} = 1;	1509	$self->decay_objects;
1289	$self->{deny_reset} = 1;
1290	} else {
1291	$self->fix_auto_apply;	1510	$self->fix_auto_apply;
1292	$self->decay_objects;
1293	$self->update_buttons;	1511	$self->update_buttons;
		1512	Coro::cede;
1294	$self->set_darkness_map;	1513	$self->set_darkness_map;
1295	$self->difficulty ($self->estimate_difficulty)	1514	$self->difficulty ($self->estimate_difficulty)
1296	unless $self->difficulty;	1515	unless $self->difficulty;
		1516	Coro::cede;
1297	$self->activate;	1517	$self->activate;
1298	}	1518	}
1299		1519
1300	Coro::cede;	1520	$self->post_load;
1301		1521
1302	$self->in_memory (cf::MAP_IN_MEMORY);	1522	$self->in_memory (cf::MAP_IN_MEMORY);
		1523	}
		1524
		1525	sub customise_for {
		1526	my ($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	$neigh->load;
		1555	}
1303	}	1556	}
1304		1557
1305	sub find_sync {	1558	sub find_sync {
1306	my ($path, $origin) = @_;	1559	my ($path, $origin) = @_;
1307		1560
1308	cf::sync_job { cf::map::find $path, $origin }	1561	cf::sync_job { find $path, $origin }
1309	}	1562	}
1310		1563
1311	sub do_load_sync {	1564	sub do_load_sync {
1312	my ($map) = @_;	1565	my ($map) = @_;
1313		1566
1314	cf::sync_job { $map->load };	1567	cf::sync_job { $map->load };
1315	}	1568	}
1316		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;
		1588	$map->load;
		1589
		1590	delete $MAP_PREFETCH{$path};
		1591	}
		1592	}
		1593	undef $MAP_PREFETCHER;
		1594	};
		1595	$MAP_PREFETCHER->prio (6);
		1596
		1597	()
		1598	}
		1599
1317	sub save {	1600	sub save {
1318	my ($self) = @_;	1601	my ($self) = @_;
1319		1602
		1603	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1604
1320	$self->{last_save} = $cf::RUNTIME;	1605	$self->{last_save} = $cf::RUNTIME;
1321		1606
1322	return unless $self->dirty;	1607	return unless $self->dirty;
1323		1608
1324	my $save = $self->{path}->save_path; utf8::encode $save;	1609	my $save = $self->save_path; utf8::encode $save;
1325	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1610	my $uniq = $self->uniq_path; utf8::encode $uniq;
1326		1611
1327	$self->{load_path} = $save;	1612	$self->{load_path} = $save;
1328		1613
1329	return if $self->{deny_save};	1614	return if $self->{deny_save};
1330		1615
1331	local $self->{last_access} = $self->last_access;#d#	1616	local $self->{last_access} = $self->last_access;#d#
1332		1617
		1618	cf::async {
		1619	$_->contr->save for $self->players;
		1620	};
		1621
1333	if ($uniq) {	1622	if ($uniq) {
1334	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1335	$self->save_objects ($uniq, cf::IO_UNIQUES);	1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1336	} else {	1625	} else {
1337	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1338	}	1627	}
1339	}	1628	}
1340		1629
1341	sub swap_out {	1630	sub swap_out {
1342	my ($self) = @_;	1631	my ($self) = @_;
1343		1632
1344	# save first because save cedes	1633	# save first because save cedes
1345	$self->save;	1634	$self->save;
		1635
		1636	my $lock = cf::lock_acquire "map_data:" . $self->path;
1346		1637
1347	return if $self->players;	1638	return if $self->players;
1348	return if $self->in_memory != cf::MAP_IN_MEMORY;	1639	return if $self->in_memory != cf::MAP_IN_MEMORY;
1349	return if $self->{deny_save};	1640	return if $self->{deny_save};
1350		1641
…		…
1354		1645
1355	sub reset_at {	1646	sub reset_at {
1356	my ($self) = @_;	1647	my ($self) = @_;
1357		1648
1358	# TODO: safety, remove and allow resettable per-player maps	1649	# TODO: safety, remove and allow resettable per-player maps
1359	return 1e99 if $self->{path}{user_rel};	1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1360	return 1e99 if $self->{deny_reset};	1651	return 1e99 if $self->{deny_reset};
1361		1652
1362	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1363	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1364		1655
…		…
1369	my ($self) = @_;	1660	my ($self) = @_;
1370		1661
1371	$self->reset_at <= $cf::RUNTIME	1662	$self->reset_at <= $cf::RUNTIME
1372	}	1663	}
1373		1664
1374	sub unlink_save {
1375	my ($self) = @_;
1376
1377	utf8::encode (my $save = $self->{path}->save_path);
1378	aioreq_pri 3; IO::AIO::aio_unlink $save;
1379	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1380	}
1381
1382	sub rename {
1383	my ($self, $new_path) = @_;
1384
1385	$self->unlink_save;
1386
1387	delete $cf::MAP{$self->path};
1388	$self->{path} = new cf::path $new_path;
1389	$self->path ($self->{path}->as_string);
1390	$cf::MAP{$self->path} = $self;
1391
1392	$self->save;
1393	}
1394
1395	sub reset {	1665	sub reset {
1396	my ($self) = @_;	1666	my ($self) = @_;
1397		1667
		1668	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1669
1398	return if $self->players;	1670	return if $self->players;
1399	return if $self->{path}{user_rel};#d#	1671	return if $self->isa ("ext::map_per_player");#d#
1400		1672
1401	warn "resetting map ", $self->path;#d#	1673	warn "resetting map ", $self->path;#d#
1402		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
1403	delete $cf::MAP{$self->path};	1685	delete $cf::MAP{$self->path};
		1686
		1687	$self->clear;
1404		1688
1405	$_->clear_links_to ($self) for values %cf::MAP;	1689	$_->clear_links_to ($self) for values %cf::MAP;
1406		1690
1407	$self->unlink_save;	1691	$self->unlink_save;
1408	$self->destroy;	1692	$self->destroy;
…		…
1411	my $nuke_counter = "aaaa";	1695	my $nuke_counter = "aaaa";
1412		1696
1413	sub nuke {	1697	sub nuke {
1414	my ($self) = @_;	1698	my ($self) = @_;
1415		1699
		1700	delete $cf::MAP{$self->path};
		1701
		1702	$self->unlink_save;
		1703
		1704	bless $self, "cf::map";
		1705	delete $self->{deny_reset};
1416	$self->{deny_save} = 1;	1706	$self->{deny_save} = 1;
1417	$self->reset_timeout (1);	1707	$self->reset_timeout (1);
1418	$self->rename ("{nuke}/" . ($nuke_counter++));	1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1709
		1710	$cf::MAP{$self->path} = $self;
		1711
1419	$self->reset; # polite request, might not happen	1712	$self->reset; # polite request, might not happen
1420	}	1713	}
1421		1714
1422	sub customise_for {	1715	=item cf::map::unique_maps
1423	my ($map, $ob) = @_;
1424		1716
1425	if ($map->per_player) {	1717	Returns an arrayref of paths of all shared maps that have
1426	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1718	instantiated unique items. May block.
1427	}
1428		1719
1429	$map	1720	=cut
1430	}
1431		1721
1432	sub emergency_save {	1722	sub unique_maps() {
1433	my $freeze_guard = cf::freeze_mainloop;	1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1724	or return;
1434		1725
1435	warn "enter emergency map save\n";	1726	my @paths;
1436		1727
1437	cf::sync_job {	1728	for (@$files) {
1438	warn "begin emergency map save\n";	1729	utf8::decode $_;
1439	$_->save for values %cf::MAP;	1730	next if /\.pst$/;
		1731	next unless /^$PATH_SEP/o;
		1732
		1733	push @paths, cf::map::normalise $_;
1440	};	1734	}
1441		1735
1442	warn "end emergency map save\n";	1736	\@paths
1443	}	1737	}
1444		1738
1445	package cf;	1739	package cf;
1446		1740
1447	=back	1741	=back
1448		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
1449		1769
1450	=head3 cf::object::player	1770	=head3 cf::object::player
1451		1771
1452	=over 4	1772	=over 4
1453		1773
…		…
1493		1813
1494	=item $player_object->enter_link	1814	=item $player_object->enter_link
1495		1815
1496	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}>).
1497		1817
1498	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
1499	I<MUST> call C<leave_link> as soon as possible, though.	1819	I<MUST> call C<leave_link> as soon as possible, though.
1500		1820
		1821	Will never block.
		1822
1501	=item $player_object->leave_link ($map, $x, $y)	1823	=item $player_object->leave_link ($map, $x, $y)
1502		1824
1503	Moves the player out of the specila link map onto the given map. If the	1825	Moves the player out of the special C<{link}> map onto the specified
1504	map is not valid (or omitted), the player will be moved back to the	1826	map. If the map is not valid (or omitted), the player will be moved back
1505	location he/she was before the call to C<enter_link>, or, if that fails,	1827	to the location he/she was before the call to C<enter_link>, or, if that
1506	to the emergency map position.	1828	fails, to the emergency map position.
1507		1829
1508	Might block.	1830	Might block.
1509		1831
1510	=cut	1832	=cut
		1833
		1834	sub link_map {
		1835	unless ($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	$LINK_MAP
		1842	}
1511		1843
1512	sub cf::object::player::enter_link {	1844	sub cf::object::player::enter_link {
1513	my ($self) = @_;	1845	my ($self) = @_;
1514		1846
1515	$self->deactivate_recursive;	1847	$self->deactivate_recursive;
1516		1848
1517	return if $self->map == $LINK_MAP;	1849	return if UNIVERSAL::isa $self->map, "ext::map_link";
1518		1850
1519	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1520	if $self->map;	1852	if $self->map;
1521		1853
1522	$self->enter_map ($LINK_MAP, 20, 20);	1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1523	}	1855	}
1524		1856
1525	sub cf::object::player::leave_link {	1857	sub cf::object::player::leave_link {
1526	my ($self, $map, $x, $y) = @_;	1858	my ($self, $map, $x, $y) = @_;
1527		1859
…		…
1545	# use -1 or undef as default coordinates, not 0, 0	1877	# use -1 or undef as default coordinates, not 0, 0
1546	($x, $y) = ($map->enter_x, $map->enter_y)	1878	($x, $y) = ($map->enter_x, $map->enter_y)
1547	if $x <=0 && $y <= 0;	1879	if $x <=0 && $y <= 0;
1548		1880
1549	$map->load;	1881	$map->load;
		1882	$map->load_diag;
1550		1883
		1884	return unless $self->contr->active;
1551	$self->activate_recursive;	1885	$self->activate_recursive;
		1886
		1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1552	$self->enter_map ($map, $x, $y);	1888	$self->enter_map ($map, $x, $y);
1553	}	1889	}
1554		1890
1555	cf::player->attach (	1891	cf::player->attach (
1556	on_logout => sub {	1892	on_logout => sub {
…		…
1568		1904
1569	# try to abort aborted map switching on player login :)	1905	# try to abort aborted map switching on player login :)
1570	# should happen only on crashes	1906	# should happen only on crashes
1571	if ($pl->ob->{_link_pos}) {	1907	if ($pl->ob->{_link_pos}) {
1572	$pl->ob->enter_link;	1908	$pl->ob->enter_link;
1573	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);
1574	# 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
1575	# 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
1576	Coro::Timer::sleep 1;	1916	Coro::Timer::sleep 1;
1577	$pl->ob->leave_link;	1917	$pl->ob->leave_link;
1578	};	1918	})->prio (2);
1579	}	1919	}
1580	},	1920	},
1581	);	1921	);
1582		1922
1583	=item $player_object->goto_map ($path, $x, $y)	1923	=item $player_object->goto ($path, $x, $y)
1584		1924
1585	=cut	1925	=cut
1586		1926
1587	sub cf::object::player::goto_map {	1927	sub cf::object::player::goto {
1588	my ($self, $path, $x, $y) = @_;	1928	my ($self, $path, $x, $y) = @_;
1589		1929
1590	$self->enter_link;	1930	$self->enter_link;
1591		1931
1592	(cf::async {	1932	(async {
1593	$path = new cf::path $path;	1933	my $map = eval {
1594
1595	my $map = cf::map::find $path->as_string;	1934	my $map = cf::map::find $path;
1596	$map = $map->customise_for ($self) if $map;	1935	$map = $map->customise_for ($self) if $map;
1597		1936	$map
1598	# warn "entering ", $map->path, " at ($x, $y)\n"	1937	} or
1599	# if $map;
1600
1601	$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);
1602		1939
1603	$self->leave_link ($map, $x, $y);	1940	$self->leave_link ($map, $x, $y);
1604	})->prio (1);	1941	})->prio (1);
1605	}	1942	}
1606		1943
…		…
1610		1947
1611	sub parse_random_map_params {	1948	sub parse_random_map_params {
1612	my ($spec) = @_;	1949	my ($spec) = @_;
1613		1950
1614	my $rmp = { # defaults	1951	my $rmp = { # defaults
1615	xsize => 10,	1952	xsize => (cf::rndm 15, 40),
1616	ysize => 10,	1953	ysize => (cf::rndm 15, 40),
		1954	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1955	#layout => string,
1617	};	1956	};
1618		1957
1619	for (split /\n/, $spec) {	1958	for (split /\n/, $spec) {
1620	my ($k, $v) = split /\s+/, $_, 2;	1959	my ($k, $v) = split /\s+/, $_, 2;
1621		1960
…		…
1625	$rmp	1964	$rmp
1626	}	1965	}
1627		1966
1628	sub prepare_random_map {	1967	sub prepare_random_map {
1629	my ($exit) = @_;	1968	my ($exit) = @_;
		1969
		1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1630		1971
1631	# all this does is basically replace the /! path by	1972	# all this does is basically replace the /! path by
1632	# a new random map path (?random/...) with a seed	1973	# a new random map path (?random/...) with a seed
1633	# that depends on the exit object	1974	# that depends on the exit object
1634		1975
1635	my $rmp = parse_random_map_params $exit->msg;	1976	my $rmp = parse_random_map_params $exit->msg;
1636		1977
1637	if ($exit->map) {	1978	if ($exit->map) {
1638	$rmp->{region} = $exit->map->region_name;	1979	$rmp->{region} = $exit->region->name;
1639	$rmp->{origin_map} = $exit->map->path;	1980	$rmp->{origin_map} = $exit->map->path;
1640	$rmp->{origin_x} = $exit->x;	1981	$rmp->{origin_x} = $exit->x;
1641	$rmp->{origin_y} = $exit->y;	1982	$rmp->{origin_y} = $exit->y;
1642	}	1983	}
1643		1984
1644	$rmp->{random_seed} ||= $exit->random_seed;	1985	$rmp->{random_seed} ||= $exit->random_seed;
1645		1986
1646	my $data = cf::to_json $rmp;	1987	my $data = cf::to_json $rmp;
1647	my $md5 = Digest::MD5::md5_hex $data;	1988	my $md5 = Digest::MD5::md5_hex $data;
		1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1648		1990
1649	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) {
1650	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;
1651		1995
1652	$exit->slaying ("?random/$md5");	1996	$exit->slaying ("?random/$md5");
1653	$exit->msg (undef);	1997	$exit->msg (undef);
1654	}	1998	}
1655	}	1999	}
…		…
1657	sub cf::object::player::enter_exit {	2001	sub cf::object::player::enter_exit {
1658	my ($self, $exit) = @_;	2002	my ($self, $exit) = @_;
1659		2003
1660	return unless $self->type == cf::PLAYER;	2004	return unless $self->type == cf::PLAYER;
1661		2005
		2006	if ($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
1662	$self->enter_link;	2017	$self->enter_link;
1663		2018
1664	(cf::async {	2019	(async {
1665	$self->deactivate_recursive; # just to be sure	2020	$self->deactivate_recursive; # just to be sure
1666	unless (eval {	2021	unless (eval {
1667	prepare_random_map $exit	2022	$self->goto ($slaying, $hp, $sp);
1668	if $exit->slaying eq "/!";
1669
1670	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1671	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1672		2023
1673	1;	2024	1;
1674	}) {	2025	}) {
1675	$self->message ("Something went wrong deep within the crossfire server. "	2026	$self->message ("Something went wrong deep within the crossfire server. "
1676	. "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. "
1677	. "Please report this to the dungeon master",	2028	. "Please report this to the dungeon master!",
1678	cf::NDI_UNIQUE | cf::NDI_RED);	2029	cf::NDI_UNIQUE | cf::NDI_RED);
1679		2030
1680	warn "ERROR in enter_exit: $@";	2031	warn "ERROR in enter_exit: $@";
1681	$self->leave_link;	2032	$self->leave_link;
1682	}	2033	}
1683	})->prio (1);	2034	})->prio (1);
…		…
1696		2047
1697	sub cf::client::send_drawinfo {	2048	sub cf::client::send_drawinfo {
1698	my ($self, $text, $flags) = @_;	2049	my ($self, $text, $flags) = @_;
1699		2050
1700	utf8::encode $text;	2051	utf8::encode $text;
1701	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1702	}	2053	}
1703		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	}
1704		2067
1705	=item $success = $client->query ($flags, "text", \&cb)	2068	=item $success = $client->query ($flags, "text", \&cb)
1706		2069
1707	Queues a query to the client, calling the given callback with	2070	Queues a query to the client, calling the given callback with
1708	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>,
…		…
1737	# get handled first	2100	# get handled first
1738	my $queue = delete $ns->{query_queue}	2101	my $queue = delete $ns->{query_queue}
1739	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
1740		2103
1741	(shift @$queue)->[1]->($msg);	2104	(shift @$queue)->[1]->($msg);
		2105	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1742		2106
1743	push @{ $ns->{query_queue} }, @$queue;	2107	push @{ $ns->{query_queue} }, @$queue;
1744		2108
1745	if (@{ $ns->{query_queue} } == @$queue) {	2109	if (@{ $ns->{query_queue} } == @$queue) {
1746	if (@$queue) {	2110	if (@$queue) {
…		…
1750	}	2114	}
1751	}	2115	}
1752	},	2116	},
1753	);	2117	);
1754		2118
1755	=item $client->coro (\&cb)	2119	=item $client->async (\&cb)
1756		2120
1757	Create a new coroutine, running the specified callback. The coroutine will	2121	Create a new coroutine, running the specified callback. The coroutine will
1758	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,
1759	or loss of connection).	2123	or loss of connection).
1760		2124
1761	=cut	2125	=cut
1762		2126
1763	sub cf::client::coro {	2127	sub cf::client::async {
1764	my ($self, $cb) = @_;	2128	my ($self, $cb) = @_;
1765		2129
1766	my $coro = &cf::async ($cb);	2130	my $coro = &Coro::async ($cb);
1767		2131
1768	$coro->on_destroy (sub {	2132	$coro->on_destroy (sub {
1769	delete $self->{_coro}{$coro+0};	2133	delete $self->{_coro}{$coro+0};
1770	});	2134	});
1771		2135
…		…
1804		2168
1805	# here we export the classes and methods available to script code	2169	# here we export the classes and methods available to script code
1806		2170
1807	=pod	2171	=pod
1808		2172
1809	The following fucntions and emthods are available within a safe environment:	2173	The following functions and methods are available within a safe environment:
1810		2174
1811	cf::object contr pay_amount pay_player map	2175	cf::object contr pay_amount pay_player map
1812	cf::object::player player	2176	cf::object::player player
1813	cf::player peaceful	2177	cf::player peaceful
1814	cf::map trigger	2178	cf::map trigger
…		…
1907	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
1908	using it, it should be unique.	2272	using it, it should be unique.
1909		2273
1910	=over 4	2274	=over 4
1911		2275
1912	=item $hashref = cf::db_get $family
1913
1914	Return a hashref for use by the extension C<$family>, which can be
1915	modified. After modifications, you have to call C<cf::db_dirty> or
1916	C<cf::db_sync>.
1917
1918	=item $value = cf::db_get $family => $key	2276	=item $value = cf::db_get $family => $key
1919		2277
1920	Returns a single value from the database	2278	Returns a single value from the database.
1921
1922	=item cf::db_put $family => $hashref
1923
1924	Stores the given family hashref into the database. Updates are delayed, if
1925	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1926		2279
1927	=item cf::db_put $family => $key => $value	2280	=item cf::db_put $family => $key => $value
1928		2281
1929	Stores the given C<$value> in the family hash. Updates are delayed, if you	2282	Stores the given C<$value> in the family.
1930	want the data to be synced to disk immediately, use C<cf::db_sync>.
1931
1932	=item cf::db_dirty
1933
1934	Marks the database as dirty, to be updated at a later time.
1935
1936	=item cf::db_sync
1937
1938	Immediately write the database to disk I<if it is dirty>.
1939		2283
1940	=cut	2284	=cut
1941		2285
1942	our $DB;	2286	our $DB;
1943		2287
1944	{	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
1945	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;
1946		2307
1947	sub db_load() {	2308	cf::db_put (board => data => $pst->{board});
1948	$DB = stat $path ? Storable::retrieve $path : { };	2309	cf::db_put (guildrules => data => $pst->{guildrules});
1949	}	2310	cf::db_put (rent => balance => $pst->{rent}{balance});
		2311	BDB::db_env_txn_checkpoint $DB_ENV;
1950		2312
1951	my $pid;	2313	unlink $path;
1952
1953	sub db_save() {
1954	waitpid $pid, 0 if $pid;
1955	if (0 == ($pid = fork)) {
1956	$DB->{_meta}{version} = 1;
1957	Storable::nstore $DB, "$path~";
1958	rename "$path~", $path;
1959	cf::_exit 0 if defined $pid;
1960	}	2314	};
1961	}
1962
1963	my $dirty;
1964
1965	sub db_sync() {
1966	db_save if $dirty;
1967	undef $dirty;
1968	}
1969
1970	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1971	db_sync;
1972	});
1973
1974	sub db_dirty() {
1975	$dirty = 1;
1976	$idle->start;
1977	}
1978
1979	sub db_get($;$) {
1980	@_ >= 2
1981	? $DB->{$_[0]}{$_[1]}
1982	: ($DB->{$_[0]} ||= { })
1983	}
1984
1985	sub db_put($$;$) {
1986	if (@_ >= 3) {
1987	$DB->{$_[0]}{$_[1]} = $_[2];
1988	} else {
1989	$DB->{$_[0]} = $_[1];
1990	}
1991	db_dirty;
1992	}
1993
1994	cf::global->attach (
1995	prio => 10000,
1996	on_cleanup => sub {
1997	db_sync;
1998	},	2315	}
1999	);	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 { };
2000	}	2333	}
2001		2334
2002	#############################################################################	2335	#############################################################################
2003	# 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	}
2004		2400
2005	sub cfg_load {	2401	sub cfg_load {
2006	open my $fh, "<:utf8", cf::confdir . "/config"	2402	open my $fh, "<:utf8", cf::confdir . "/config"
2007	or return;	2403	or return;
2008		2404
2009	local $/;	2405	local $/;
2010	*CFG = YAML::Syck::Load <$fh>;	2406	*CFG = YAML::Syck::Load <$fh>;
2011		2407
2012	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2013		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
2014	if (exists $CFG{mlockall}) {	2413	if (exists $CFG{mlockall}) {
2015	eval {	2414	eval {
2016	$CFG{mlockall} ? &mlockall : &munlockall	2415	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2017	and die "WARNING: m(un)lockall failed: $!\n";	2416	and die "WARNING: m(un)lockall failed: $!\n";
2018	};	2417	};
2019	warn $@ if $@;	2418	warn $@ if $@;
2020	}	2419	}
2021	}	2420	}
2022		2421
2023	sub main {	2422	sub main {
2024	# we must not ever block the main coroutine	2423	# we must not ever block the main coroutine
2025	local $Coro::idle = sub {	2424	local $Coro::idle = sub {
2026	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#
2027	(Coro::unblock_sub {	2426	(async {
2028	Event::one_event;	2427	Event::one_event;
2029	})->();	2428	})->prio (Coro::PRIO_MAX);
2030	};	2429	};
2031		2430
2032	cfg_load;	2431	cfg_load;
2033	db_load;	2432	db_init;
2034	load_extensions;	2433	load_extensions;
		2434
		2435	$TICK_WATCHER->start;
2035	Event::loop;	2436	Event::loop;
2036	}	2437	}
2037		2438
2038	#############################################################################	2439	#############################################################################
2039	# 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 $make_core;
		2495	}
2040		2496
2041	sub reload() {	2497	sub reload() {
2042	# can/must only be called in main	2498	# can/must only be called in main
2043	if ($Coro::current != $Coro::main) {	2499	if ($Coro::current != $Coro::main) {
2044	warn "can only reload from main coroutine\n";	2500	warn "can only reload from main coroutine";
2045	return;	2501	return;
2046	}	2502	}
2047		2503
2048	warn "reloading...";	2504	warn "reloading...";
2049		2505
2050	my $guard = freeze_mainloop;	2506	warn "entering sync_job";
		2507
		2508	cf::sync_job {
		2509	cf::write_runtime; # external watchdog should not bark
2051	cf::emergency_save;	2510	cf::emergency_save;
		2511	cf::write_runtime; # external watchdog should not bark
2052		2512
2053	eval {	2513	warn "syncing database to disk";
		2514	BDB::db_env_txn_checkpoint $DB_ENV;
		2515
2054	# 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
2055		2517
2056	# cancel all watchers	2518	warn "cancelling all WF_AUTOCANCEL watchers";
2057	for (Event::all_watchers) {	2519	for (Event::all_watchers) {
2058	$_->cancel if $_->data & WF_AUTOCANCEL;	2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2059	}	2521	}
2060		2522
		2523	warn "flushing outstanding aio requests";
		2524	for (;;) {
		2525	BDB::flush;
		2526	IO::AIO::flush;
		2527	Coro::cede;
		2528	last unless IO::AIO::nreqs || BDB::nreqs;
		2529	warn "iterate...";
		2530	}
		2531
		2532	++$RELOAD;
		2533
2061	# cancel all extension coros	2534	warn "cancelling all extension coros";
2062	$_->cancel for values %EXT_CORO;	2535	$_->cancel for values %EXT_CORO;
2063	%EXT_CORO = ();	2536	%EXT_CORO = ();
2064		2537
2065	# unload all extensions	2538	warn "removing commands";
2066	for (@exts) {	2539	%COMMAND = ();
		2540
		2541	warn "removing ext commands";
		2542	%EXTCMD = ();
		2543
		2544	warn "unloading/nuking all extensions";
		2545	for my $pkg (@EXTS) {
2067	warn "unloading <$_>";	2546	warn "... unloading $pkg";
2068	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: $@";
2069	}	2553	}
2070		2554
		2555	warn "... nuking $pkg";
		2556	Symbol::delete_package $pkg;
		2557	}
		2558
2071	# unload all modules loaded from $LIBDIR	2559	warn "unloading all perl modules loaded from $LIBDIR";
2072	while (my ($k, $v) = each %INC) {	2560	while (my ($k, $v) = each %INC) {
2073	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2074		2562
2075	warn "removing <$k>";	2563	warn "... unloading $k";
2076	delete $INC{$k};	2564	delete $INC{$k};
2077		2565
2078	$k =~ s/\.pm$//;	2566	$k =~ s/\.pm$//;
2079	$k =~ s/\//::/g;	2567	$k =~ s/\//::/g;
2080		2568
…		…
2083	}	2571	}
2084		2572
2085	Symbol::delete_package $k;	2573	Symbol::delete_package $k;
2086	}	2574	}
2087		2575
2088	# sync database to disk
2089	cf::db_sync;
2090	IO::AIO::flush;
2091
2092	# get rid of safe::, as good as possible	2576	warn "getting rid of safe::, as good as possible";
2093	Symbol::delete_package "safe::$_"	2577	Symbol::delete_package "safe::$_"
2094	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);
2095		2579
2096	# remove register_script_function callbacks
2097	# TODO
2098
2099	# unload cf.pm "a bit"	2580	warn "unloading cf.pm \"a bit\"";
2100	delete $INC{"cf.pm"};	2581	delete $INC{"cf.pm"};
2101		2582
2102	# don't, removes xs symbols, too,	2583	# don't, removes xs symbols, too,
2103	# and global variables created in xs	2584	# and global variables created in xs
2104	#Symbol::delete_package __PACKAGE__;	2585	#Symbol::delete_package __PACKAGE__;
2105		2586
2106	# reload cf.pm	2587	warn "unload completed, starting to reload now";
		2588
2107	warn "reloading cf.pm";	2589	warn "reloading cf.pm";
2108	require cf;	2590	require cf;
2109	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2110		2592
2111	# load config and database again	2593	warn "loading config and database again";
2112	cf::cfg_load;	2594	cf::cfg_load;
2113	cf::db_load;
2114		2595
2115	# load extensions
2116	warn "load extensions";	2596	warn "loading extensions";
2117	cf::load_extensions;	2597	cf::load_extensions;
2118		2598
2119	# reattach attachments to objects	2599	warn "reattaching attachments to objects/players";
2120	warn "reattach";	2600	_global_reattach; # objects, sockets
2121	_global_reattach;	2601	warn "reattaching attachments to maps";
2122	};	2602	reattach $_ for values %MAP;
		2603	warn "reattaching attachments to players";
		2604	reattach $_ for values %PLAYER;
2123		2605
2124	if ($@) {	2606	warn "loading reloadable resources";
		2607	reload_resources;
		2608
		2609	warn "leaving sync_job";
		2610
		2611	1
		2612	} or do {
2125	warn $@;	2613	warn $@;
2126	warn "error while reloading, exiting.";	2614	warn "error while reloading, exiting.";
2127	exit 1;	2615	exit 1;
2128	}	2616	};
2129		2617
2130	warn "reloaded successfully";	2618	warn "reloaded";
2131	};	2619	};
2132		2620
2133	#############################################################################	2621	our $RELOAD_WATCHER; # used only during reload
2134
2135	unless ($LINK_MAP) {
2136	$LINK_MAP = cf::map::new;
2137
2138	$LINK_MAP->width (41);
2139	$LINK_MAP->height (41);
2140	$LINK_MAP->alloc;
2141	$LINK_MAP->path ("{link}");
2142	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2143	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2144
2145	# dirty hack because... archetypes are not yet loaded
2146	Event->timer (
2147	after => 2,
2148	cb => sub {
2149	$_[0]->w->cancel;
2150
2151	# provide some exits "home"
2152	my $exit = cf::object::new "exit";
2153
2154	$exit->slaying ($EMERGENCY_POSITION->[0]);
2155	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2156	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2157
2158	$LINK_MAP->insert ($exit->clone, 19, 19);
2159	$LINK_MAP->insert ($exit->clone, 19, 20);
2160	$LINK_MAP->insert ($exit->clone, 19, 21);
2161	$LINK_MAP->insert ($exit->clone, 20, 19);
2162	$LINK_MAP->insert ($exit->clone, 20, 21);
2163	$LINK_MAP->insert ($exit->clone, 21, 19);
2164	$LINK_MAP->insert ($exit->clone, 21, 20);
2165	$LINK_MAP->insert ($exit->clone, 21, 21);
2166
2167	$exit->destroy;
2168	});
2169
2170	$LINK_MAP->{deny_save} = 1;
2171	$LINK_MAP->{deny_reset} = 1;
2172
2173	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2174	}
2175
2176	register "<global>", __PACKAGE__;
2177		2622
2178	register_command "reload" => sub {	2623	register_command "reload" => sub {
2179	my ($who, $arg) = @_;	2624	my ($who, $arg) = @_;
2180		2625
2181	if ($who->flag (FLAG_WIZ)) {	2626	if ($who->flag (FLAG_WIZ)) {
2182	$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 {
2183	reload;	2637	reload;
2184	$who->message ("end of reload.");	2638	undef $RELOAD_WATCHER;
		2639	},
		2640	);
2185	}	2641	}
2186	};	2642	};
2187		2643
2188	unshift @INC, $LIBDIR;	2644	unshift @INC, $LIBDIR;
		2645
		2646	my $bug_warning = 0;
2189		2647
2190	$TICK_WATCHER = Event->timer (	2648	$TICK_WATCHER = Event->timer (
2191	reentrant => 0,	2649	reentrant => 0,
		2650	parked => 1,
2192	prio => 0,	2651	prio => 0,
2193	at => $NEXT_TICK || $TICK,	2652	at => $NEXT_TICK || $TICK,
2194	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2195	cb => sub {	2654	cb => sub {
		2655	if ($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
2196	cf::server_tick; # one server iteration	2663	cf::server_tick; # one server iteration
2197	$RUNTIME += $TICK;	2664	$RUNTIME += $TICK;
2198	$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#
2199		2680
2200	# 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
2201	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2202		2683
2203	$TICK_WATCHER->at ($NEXT_TICK);	2684	$TICK_WATCHER->at ($NEXT_TICK);
2204	$TICK_WATCHER->start;	2685	$TICK_WATCHER->start;
2205	},	2686	},
2206	);	2687	);
2207		2688
		2689	{
2208	IO::AIO::max_poll_time $TICK * 0.2;	2690	BDB::max_poll_time $TICK * 0.1;
2209		2691	$BDB_POLL_WATCHER = Event->io (
2210	Event->io (	2692	reentrant => 0,
2211	fd => IO::AIO::poll_fileno,	2693	fd => BDB::poll_fileno,
2212	poll => 'r',	2694	poll => 'r',
2213	prio => 5,	2695	prio => 0,
2214	data => WF_AUTOCANCEL,
2215	cb => \&IO::AIO::poll_cb,
2216	);
2217
2218	Event->timer (
2219	data => WF_AUTOCANCEL,	2696	data => WF_AUTOCANCEL,
2220	after => 0,	2697	cb => \&BDB::poll_cb,
2221	interval => 10,	2698	);
2222	cb => sub {	2699	BDB::min_parallel 8;
2223	(Coro::unblock_sub {	2700
2224	write_runtime	2701	BDB::set_sync_prepare {
2225	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 $@;
2226	})->();	2735	};
2227	},	2736	}
2228	);	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	}
2229		2753
2230	END { cf::emergency_save }	2754	END { cf::emergency_save }
2231		2755
2232	1	2756	1
2233		2757

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