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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.110 by root, Mon Jan 1 11:21:55 2007 UTC vs.
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3;	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
		24	use Data::Dumper;
20	use Digest::MD5;	25	use Digest::MD5;
21	use Fcntl;	26	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
		28	use IO::AIO 2.32 ();
24	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
25		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
27		39
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
30		42
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		44
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		46
35	our %COMMAND = ();	47	our %COMMAND = ();
36	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
38		54
		55	our $RELOAD; # number of reloads so far
39	our @EVENT;	56	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
41		58
42	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	63	our $NEXT_TICK;
45	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
46		69
47	our %CFG;	70	our %CFG;
48		71
49	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	73	our $RUNTIME;
51		74
		75	our %PLAYER; # all users
52	our %MAP; # all maps	76	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	79	our $BDB_ENV_DIR = cf::localdir . "/db";
		80
		81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		83
		84	# used to convert map paths into valid unix filenames by replacing / by ∕
		85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		86
58	binmode STDOUT;	87	binmode STDOUT;
59	binmode STDERR;	88	binmode STDERR;
60		89
61	# read virtual server time, if available	90	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	97	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	98	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	99	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	100	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	101	mkdir $RANDOM_MAPS;
		102	mkdir $BDB_ENV_DIR;
73		103
74	# a special map that is always available	104	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		105
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	106	sub cf::map::normalise;
78		107
79	#############################################################################	108	#############################################################################
80		109
81	=head2 GLOBAL VARIABLES	110	=head2 GLOBAL VARIABLES
82		111
…		…
106		135
107	=item %cf::CFG	136	=item %cf::CFG
108		137
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	138	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	139	from wherever your confdir points to.
		140
		141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		142
		143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		145	processing has been done. Call C<< ->wait >> on them to maximise the
		146	window of cpu time available, or simply to synchronise to the server tick.
111		147
112	=back	148	=back
113		149
114	=cut	150	=cut
115		151
…		…
119	utf8::encode $msg;	155	utf8::encode $msg;
120		156
121	$msg .= "\n"	157	$msg .= "\n"
122	unless $msg =~ /\n$/;	158	unless $msg =~ /\n$/;
123		159
124	LOG llevError, "cfperl: $msg";	160	LOG llevError, $msg;
125	};	161	};
126	}	162	}
127		163
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		183
148	$Event::DIED = sub {	184	$Event::DIED = sub {
149	warn "error in event callback: @_";	185	warn "error in event callback: @_";
150	};	186	};
151		187
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
157		189
158	=over 4	190	=over 4
159		191
160	=cut	192	=item dumpval $ref
161		193
		194	=cut
		195
		196	sub dumpval {
		197	eval {
		198	local $SIG{__DIE__};
		199	my $d;
		200	if (1) {
		201	$d = new Data::Dumper([$_[0]], ["*var"]);
		202	$d->Terse(1);
		203	$d->Indent(2);
		204	$d->Quotekeys(0);
		205	$d->Useqq(1);
		206	#$d->Bless(...);
		207	$d->Seen($_[1]) if @_ > 1;
		208	$d = $d->Dump();
		209	}
		210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		211	$d
		212	} || "[unable to dump $_[0]: '$@']";
		213	}
		214
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
163		216
164	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
165		218
166	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
167		220
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
176		222
177	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
178		224
179	=cut	225	=item cf::lock_wait $string
180		226
181	sub to_json($) {	227	Wait until the given lock is available. See cf::lock_acquire.
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	228
183	JSON::Syck::Dump $_[0]	229	=item my $lock = cf::lock_acquire $string
		230
		231	Wait until the given lock is available and then acquires it and returns
		232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		233	for example when the coroutine gets canceled), the lock is automatically
		234	returned.
		235
		236	Lock names should begin with a unique identifier (for example, cf::map::find
		237	uses map_find and cf::map::load uses map_load).
		238
		239	=cut
		240
		241	our %LOCK;
		242
		243	sub lock_wait($) {
		244	my ($key) = @_;
		245
		246	# wait for lock, if any
		247	while ($LOCK{$key}) {
		248	push @{ $LOCK{$key} }, $Coro::current;
		249	Coro::schedule;
		250	}
184	}	251	}
		252
		253	sub lock_acquire($) {
		254	my ($key) = @_;
		255
		256	# wait, to be sure we are not locked
		257	lock_wait $key;
		258
		259	$LOCK{$key} = [];
		260
		261	Coro::guard {
		262	# wake up all waiters, to be on the safe side
		263	$_->ready for @{ delete $LOCK{$key} };
		264	}
		265	}
		266
		267	sub freeze_mainloop {
		268	return unless $TICK_WATCHER->is_active;
		269
		270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
		273	$TICK_WATCHER->stop;
		274	$guard
		275	}
		276
		277	=item cf::async { BLOCK }
		278
		279	Currently the same as Coro::async_pool, meaning you cannot use
		280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		281	thing you are allowed to do is call C<prio> on it.
		282
		283	=cut
		284
		285	BEGIN { *async = \&Coro::async_pool }
185		286
186	=item cf::sync_job { BLOCK }	287	=item cf::sync_job { BLOCK }
187		288
188	The design of crossfire+ requires that the main coro ($Coro::main) is	289	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	290	always able to handle events or runnable, as crossfire+ is only partly
…		…
197	=cut	298	=cut
198		299
199	sub sync_job(&) {	300	sub sync_job(&) {
200	my ($job) = @_;	301	my ($job) = @_;
201		302
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	303	if ($Coro::current == $Coro::main) {
		304	# this is the main coro, too bad, we have to block
		305	# till the operation succeeds, freezing the server :/
		306
212	# TODO: use suspend/resume instead	307	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	308	# (but this is cancel-safe)
		309	my $freeze_guard = freeze_mainloop;
		310
		311	my $busy = 1;
		312	my @res;
		313
		314	(async {
		315	@res = eval { $job->() };
		316	warn $@ if $@;
		317	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	318	})->prio (Coro::PRIO_MAX);
		319
215	while ($busy) {	320	while ($busy) {
216	Coro::cede_notself;	321	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	322	}
		323
		324	wantarray ? @res : $res[0]
219	} else {	325	} else {
220	$coro->join;	326	# we are in another coroutine, how wonderful, everything just works
		327
		328	$job->()
221	}	329	}
222
223	wantarray ? @res : $res[0]
224	}	330	}
225		331
226	=item $coro = cf::coro { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
227		333
228	Creates and returns a new coro. This coro is automcatially being canceled	334	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	335	extension calling this is being unloaded.
230		336
231	=cut	337	=cut
232		338
233	sub coro(&) {	339	sub async_ext(&) {
234	my $cb = shift;	340	my $cb = shift;
235		341
236	my $coro; $coro = async {	342	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		343
243	$coro->on_destroy (sub {	344	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	345	delete $EXT_CORO{$coro+0};
245	});	346	});
246	$EXT_CORO{$coro+0} = $coro;	347	$EXT_CORO{$coro+0} = $coro;
247		348
248	$coro	349	$coro
249	}	350	}
250		351
251	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
252	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
253		356
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
255	or return;	358	or return;
256		359
257	my $value = $cf::RUNTIME;	360	my $value = $cf::RUNTIME + 90 + 10;
		361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	365	and return;
260		366
		367	# always fsync - this file is important
261	aio_fsync $fh	368	aio_fsync $fh
262	and return;	369	and return;
263		370
264	close $fh	371	close $fh
265	or return;	372	or return;
…		…
268	and return;	375	and return;
269		376
270	1	377	1
271	}	378	}
272		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
273	=back	391	=back
274		392
275	=cut	393	=cut
276
277	#############################################################################
278
279	package cf::path;
280
281	sub new {
282	my ($class, $path, $base) = @_;
283
284	$path = $path->as_string if ref $path;
285
286	my $self = bless { }, $class;
287
288	if ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;
291	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;
294
295	if (defined $1) {
296	$self->{user} = $1;
297	} elsif ($base =~ m{^~([^/]+)/}) {
298	$self->{user} = $1;
299	} else {
300	warn "cannot resolve user-relative path without user <$path,$base>\n";
301	}
302	} elsif ($path =~ /^\//) {
303	# already absolute
304	} else {
305	$base =~ s{[^/]+/?$}{};
306	return $class->new ("$base/$path");
307	}
308
309	for ($path) {
310	redo if s{/\.?/}{/};
311	redo if s{/[^/]+/\.\./}{/};
312	}
313	}
314
315	$self->{path} = $path;
316
317	$self
318	}
319
320	# the name / primary key / in-game path
321	sub as_string {
322	my ($self) = @_;
323
324	$self->{user_rel} ? "~$self->{user}$self->{path}"
325	: $self->{random} ? "?random/$self->{path}"
326	: $self->{path}
327	}
328
329	# the displayed name, this is a one way mapping
330	sub visible_name {
331	my ($self) = @_;
332
333	# if (my $rmp = $self->{random}) {
334	# # todo: be more intelligent about this
335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
336	# } else {
337	$self->as_string
338	# }
339	}
340
341	# escape the /'s in the path
342	sub _escaped_path {
343	# ∕ is U+2215
344	(my $path = $_[0]{path}) =~ s/\//∕/g;
345	$path
346	}
347
348	# the original (read-only) location
349	sub load_path {
350	my ($self) = @_;
351
352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
353	}
354
355	# the temporary/swap location
356	sub save_path {
357	my ($self) = @_;
358
359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
362	}
363
364	# the unique path, might be eq to save_path
365	sub uniq_path {
366	my ($self) = @_;
367
368	$self->{user_rel} || $self->{random}
369	? undef
370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
371	}
372
373	# return random map parameters, or undef
374	sub random_map_params {
375	my ($self) = @_;
376
377	$self->{random}
378	}
379
380	# this is somewhat ugly, but style maps do need special treatment
381	sub is_style_map {
382	$_[0]{path} =~ m{^/styles/}
383	}
384
385	package cf;
386		394
387	#############################################################################	395	#############################################################################
388		396
389	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
390		398
…		…
516	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
517	our @CB_MAP = ();	525	our @CB_MAP = ();
518		526
519	my %attachment;	527	my %attachment;
520		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
521	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
522	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
523		537
524	use sort 'stable';	538	use sort 'stable';
525		539
…		…
696	# object support	710	# object support
697		711
698	sub reattach {	712	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		717
702	my $registry = $obj->registry;	718	my $registry = $obj->registry;
703		719
704	@$registry = ();	720	@$registry = ();
705		721
…		…
752	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
753		769
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	774	close $fh;
759		775
760	if (@$objs) {	776	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	782	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
768	}	784	}
769	} else {	785	} else {
770	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
798	or return;	814	or return;
799		815
800	unless (aio_stat "$filename.pst") {	816	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	817	(aio_load "$filename.pst", $av) >= 0
802	or return;	818	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	819	$av = eval { (Storable::thaw $av)->{objs} };
804	}	820	}
805		821
		822	warn sprintf "loading %s (%d)\n",
		823	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	824	return ($data, $av);
807	}	825	}
808		826
809	#############################################################################	827	#############################################################################
810	# command handling &c	828	# command handling &c
…		…
835	=cut	853	=cut
836		854
837	sub register_extcmd {	855	sub register_extcmd {
838	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
839		857
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
844	}	859	}
845		860
846	cf::player->attach (	861	cf::player->attach (
847	on_command => sub {	862	on_command => sub {
848	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
861		876
862	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
863		878
864	if (ref $msg) {	879	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	883	}
869	}	884	}
870	} else {	885	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		888
874	cf::override;	889	cf::override;
875	},	890	},
876	);	891	);
877		892
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	893	sub load_extension {
885	my ($path) = @_;	894	my ($path) = @_;
886		895
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	897	my $base = $1;
889	my $pkg = $1;	898	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
892		901
893	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
894		903
895	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
896	or die "$path: $!";	905	or die "$path: $!";
897		906
898	my $source =	907	my $source =
899	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
900	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
901	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
902	. "\n};\n1";	911	. "\n};\n1";
903		912
904	eval $source	913	unless (eval $source) {
905	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
906	: "extension disabled.\n";	915	: "extension disabled.\n";
907		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
908	push @exts, $pkg;	917	warn $@;
909	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
910		919	exit 1;
911	# no strict 'refs';	920	}
912	# @{"$pkg\::ISA"} = ext::;	921	die $@;
913
914	register $base, $pkg;
915	}
916
917	sub unload_extension {
918	my ($pkg) = @_;
919
920	warn "removing extension $pkg\n";
921
922	# remove hooks
923	#TODO
924	# for my $idx (0 .. $#PLUGIN_EVENT) {
925	# delete $hook[$idx]{$pkg};
926	# }	922	}
927		923
928	# remove commands	924	push @EXTS, $pkg;
929	for my $name (keys %COMMAND) {
930	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
931
932	if (@cb) {
933	$COMMAND{$name} = \@cb;
934	} else {
935	delete $COMMAND{$name};
936	}
937	}
938
939	# remove extcmds
940	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
941	delete $EXTCMD{$name};
942	}
943
944	if (my $cb = $pkg->can ("unload")) {
945	eval {
946	$cb->($pkg);
947	1
948	} or warn "$pkg unloaded, but with errors: $@";
949	}
950
951	Symbol::delete_package $pkg;
952	}	925	}
953		926
954	sub load_extensions {	927	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	929	next unless -r $ext;
…		…
960	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
961	}	934	}
962	}	935	}
963		936
964	#############################################################################	937	#############################################################################
965	# load/save/clean perl data associated with a map
966
967	*cf::mapsupport::on_clean = sub {
968	my ($map) = @_;
969
970	my $path = $map->tmpname;
971	defined $path or return;
972
973	unlink "$path.pst";
974	};
975
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977
978	#############################################################################
979	# load/save perl data associated with player->ob objects
980
981	sub all_objects(@) {
982	@_, map all_objects ($_->inv), @_
983	}
984
985	# TODO: compatibility cruft, remove when no longer needed
986	cf::player->attach (
987	on_load => sub {
988	my ($pl, $path) = @_;
989
990	for my $o (all_objects $pl->ob) {
991	if (my $value = $o->get_ob_key_value ("_perl_data")) {
992	$o->set_ob_key_value ("_perl_data");
993
994	%$o = %{ Storable::thaw pack "H*", $value };
995	}
996	}
997	},
998	);
999
1000	#############################################################################
1001		938
1002	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1003		940
1004	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1005		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1006	=head3 cf::player	949	=head3 cf::player
1007		950
1008	=over 4	951	=over 4
1009		952
1010	=item cf::player::exists $login	953	=item cf::player::find $login
1011		954
1012	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1013		956
1014	=cut	957	=cut
1015		958
1016	sub cf::player::exists($) {	959	sub playerdir($) {
1017	cf::player::find $_[0]	960	cf::localdir
1018	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])
1019	}	965	}
1020		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
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1022		1139
1023	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1024		1141
1025	=cut	1142	=cut
1026		1143
1027	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1028	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1029		1146
1030	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1031		1148
1032	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		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
1033	}	1191	}
1034		1192
1035	=back	1193	=back
1036
1037		1194
1038	=head3 cf::map	1195	=head3 cf::map
1039		1196
1040	=over 4	1197	=over 4
1041		1198
…		…
1044	package cf::map;	1201	package cf::map;
1045		1202
1046	use Fcntl;	1203	use Fcntl;
1047	use Coro::AIO;	1204	use Coro::AIO;
1048		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1049	our $MAX_RESET = 7200;	1210	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1211	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1212
1054	sub generate_random_map {	1213	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1056
1057	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1216	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$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},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(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, $path
1071	}	1358	}
1072		1359
1073	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1074	# all maps in C++...	1361	# all maps in C++...
1075	sub change_all_map_light {	1362	sub change_all_map_light {
1076	my ($change) = @_;	1363	my ($change) = @_;
1077		1364
1078	$_->change_map_light ($change) for values %cf::MAP;	1365	$_->change_map_light ($change)
		1366	for grep $_->outdoor, values %cf::MAP;
1079	}	1367	}
1080		1368
		1369	sub unlink_save {
		1370	my ($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
1081	sub try_load_header($) {	1377	sub load_header_from($) {
1082	my ($path) = @_;	1378	my ($self, $path) = @_;
1083		1379
1084	utf8::encode $path;	1380	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1086	or return;	1385	or return;
1087		1386
1088	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
1089	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1090		1433
1091	$map->load_header ($path)	1434	$self->default_region (cf::region::find_by_path $self->{path})
1092	or return;	1435	unless $self->default_region;
1093		1436
1094	$map->{load_path} = $path;	1437	1
1095	use Data::Dumper; warn Dumper $map;#d#
1096
1097	$map
1098	}	1438	}
1099		1439
		1440	sub find;
1100	sub find_map {	1441	sub find {
1101	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1102		1443
1103	#warn "find_map<$path,$origin>\n";#d#	1444	$path = normalise $path, $origin && $origin->path;
1104		1445
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1446	cf::lock_wait "map_find:$path";
1106	my $key = $path->as_string;
1107		1447
1108	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1109	# do it the slow way	1449	my $guard = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1450	my $map = new_from_path cf::map $path
1111
1112	if ($map) {
1113	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {
1117	if (my $rmp = $path->random_map_params) {
1118	$map = generate_random_map $key, $rmp;
1119	} else {
1120	$map = try_load_header $path->load_path;
1121	}
1122
1123	$map or return;	1451	or return;
1124		1452
1125	$map->{instantiate_time} = $cf::RUNTIME;
1126	$map->instantiate;
1127
1128	# per-player maps become, after loading, normal maps
1129	$map->per_player (0) if $path->{user_rel};
1130	}
1131
1132	$map->path ($key);
1133	$map->{path} = $path;
1134	$map->last_access ($cf::RUNTIME);	1453	$map->{last_save} = $cf::RUNTIME;
1135		1454
1136	$map->reset if $map->should_reset;	1455	$map->load_header
		1456	or return;
1137		1457
		1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1459	# doing this can freeze the server in a sync job, obviously
		1460	#$cf::WAIT_FOR_TICK->wait;
		1461	$map->reset;
		1462	undef $guard;
		1463	return find $path;
		1464	}
		1465
1138	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1139	}	1467	}
1140	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1141		1472
1142	sub load {	1473	sub load {
1143	my ($self) = @_;	1474	my ($self) = @_;
1144		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
		1478	my $path = $self->{path};
		1479	my $guard = cf::lock_acquire "map_load:$path";
		1480
1145	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1146		1482
1147	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1148		1484
1149	my $path = $self->{path};
1150
1151	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488
1152	$self->load_objects ($self->{load_path}, 1)	1489	$self->_load_objects ($self->{load_path}, 1)
1153	or return;	1490	or return;
1154		1491
		1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1493	if delete $self->{load_original};
		1494
1155	if (my $uniq = $path->uniq_path) {	1495	if (my $uniq = $self->uniq_path) {
1156	utf8::encode $uniq;	1496	utf8::encode $uniq;
1157	if (aio_open $uniq, O_RDONLY, 0) {	1497	if (aio_open $uniq, O_RDONLY, 0) {
1158	$self->clear_unique_items;	1498	$self->clear_unique_items;
1159	$self->load_objects ($uniq, 0);	1499	$self->_load_objects ($uniq, 0);
1160	}	1500	}
1161	}	1501	}
		1502
		1503	Coro::cede;
1162		1504
1163	# now do the right thing for maps	1505	# now do the right thing for maps
1164	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
1165		1507
1166	if ($self->{path}->is_style_map) {	1508	unless ($self->{deny_activate}) {
1167	$self->{deny_save} = 1;	1509	$self->decay_objects;
1168	$self->{deny_reset} = 1;
1169	} else {
1170	$self->fix_auto_apply;	1510	$self->fix_auto_apply;
1171	$self->decay_objects;
1172	$self->update_buttons;	1511	$self->update_buttons;
		1512	Coro::cede;
1173	$self->set_darkness_map;	1513	$self->set_darkness_map;
1174	$self->difficulty ($self->estimate_difficulty)	1514	$self->difficulty ($self->estimate_difficulty)
1175	unless $self->difficulty;	1515	unless $self->difficulty;
		1516	Coro::cede;
1176	$self->activate;	1517	$self->activate;
1177	}	1518	}
1178		1519
		1520	$self->post_load;
		1521
1179	$self->in_memory (cf::MAP_IN_MEMORY);	1522	$self->in_memory (cf::MAP_IN_MEMORY);
1180	}	1523	}
1181		1524
1182	sub load_map_sync {	1525	sub customise_for {
		1526	my ($self, $ob) = @_;
		1527
		1528	return find "~" . $ob->name . "/" . $self->{path}
		1529	if $self->per_player;
		1530
		1531	$self
		1532	}
		1533
		1534	# find and load all maps in the 3x3 area around a map
		1535	sub load_diag {
		1536	my ($map) = @_;
		1537
		1538	my @diag; # diagonal neighbours
		1539
		1540	for (0 .. 3) {
		1541	my $neigh = $map->tile_path ($_)
		1542	or next;
		1543	$neigh = find $neigh, $map
		1544	or next;
		1545	$neigh->load;
		1546
		1547	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1548	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1549	}
		1550
		1551	for (@diag) {
		1552	my $neigh = find @$_
		1553	or next;
		1554	$neigh->load;
		1555	}
		1556	}
		1557
		1558	sub find_sync {
1183	my ($path, $origin) = @_;	1559	my ($path, $origin) = @_;
1184		1560
1185	#warn "load_map_sync<$path, $origin>\n";#d#	1561	cf::sync_job { find $path, $origin }
		1562	}
1186		1563
1187	cf::sync_job {	1564	sub do_load_sync {
1188	my $map = cf::map::find_map $path, $origin	1565	my ($map) = @_;
1189	or return;	1566
		1567	cf::sync_job { $map->load };
		1568	}
		1569
		1570	our %MAP_PREFETCH;
		1571	our $MAP_PREFETCHER = undef;
		1572
		1573	sub find_async {
		1574	my ($path, $origin) = @_;
		1575
		1576	$path = normalise $path, $origin && $origin->{path};
		1577
		1578	if (my $map = $cf::MAP{$path}) {
		1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1580	}
		1581
		1582	undef $MAP_PREFETCH{$path};
		1583	$MAP_PREFETCHER ||= cf::async {
		1584	while (%MAP_PREFETCH) {
		1585	for my $path (keys %MAP_PREFETCH) {
		1586	my $map = find $path
		1587	or next;
1190	$map->load;	1588	$map->load;
1191	$map	1589
		1590	delete $MAP_PREFETCH{$path};
		1591	}
		1592	}
		1593	undef $MAP_PREFETCHER;
1192	}	1594	};
		1595	$MAP_PREFETCHER->prio (6);
		1596
		1597	()
1193	}	1598	}
1194		1599
1195	sub save {	1600	sub save {
1196	my ($self) = @_;	1601	my ($self) = @_;
1197		1602
1198	my $save = $self->{path}->save_path; utf8::encode $save;	1603	my $lock = cf::lock_acquire "map_data:" . $self->path;
1199	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1200		1604
1201	$self->{last_save} = $cf::RUNTIME;	1605	$self->{last_save} = $cf::RUNTIME;
1202		1606
1203	return unless $self->dirty;	1607	return unless $self->dirty;
1204		1608
		1609	my $save = $self->save_path; utf8::encode $save;
		1610	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1611
1205	$self->{load_path} = $save;	1612	$self->{load_path} = $save;
1206		1613
1207	return if $self->{deny_save};	1614	return if $self->{deny_save};
1208		1615
1209	warn "saving map ", $self->path;	1616	local $self->{last_access} = $self->last_access;#d#
		1617
		1618	cf::async {
		1619	$_->contr->save for $self->players;
		1620	};
1210		1621
1211	if ($uniq) {	1622	if ($uniq) {
1212	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1213	$self->save_objects ($uniq, cf::IO_UNIQUES);	1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1214	} else {	1625	} else {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1216	}	1627	}
1217	}	1628	}
1218		1629
1219	sub swap_out {	1630	sub swap_out {
1220	my ($self) = @_;	1631	my ($self) = @_;
		1632
		1633	# save first because save cedes
		1634	$self->save;
		1635
		1636	my $lock = cf::lock_acquire "map_data:" . $self->path;
1221		1637
1222	return if $self->players;	1638	return if $self->players;
1223	return if $self->in_memory != cf::MAP_IN_MEMORY;	1639	return if $self->in_memory != cf::MAP_IN_MEMORY;
1224	return if $self->{deny_save};	1640	return if $self->{deny_save};
1225		1641
1226	$self->save;
1227	$self->clear;	1642	$self->clear;
1228	$self->in_memory (cf::MAP_SWAPPED);	1643	$self->in_memory (cf::MAP_SWAPPED);
1229	}	1644	}
1230		1645
		1646	sub reset_at {
		1647	my ($self) = @_;
		1648
		1649	# TODO: safety, remove and allow resettable per-player maps
		1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1651	return 1e99 if $self->{deny_reset};
		1652
		1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1655
		1656	$time + $to
		1657	}
		1658
1231	sub should_reset {	1659	sub should_reset {
1232	my ($map) = @_;	1660	my ($self) = @_;
1233		1661
1234	# TODO: safety, remove and allow resettable per-player maps	1662	$self->reset_at <= $cf::RUNTIME
1235	return if $map->{path}{user_rel};#d#
1236	return if $map->{deny_reset};
1237	#return unless $map->reset_timeout;
1238
1239	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1240
1241	$time + ($map->reset_timeout || $DEFAULT_RESET) < $cf::RUNTIME
1242	}	1663	}
1243		1664
1244	sub reset {	1665	sub reset {
1245	my ($self) = @_;	1666	my ($self) = @_;
1246		1667
		1668	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1669
1247	return if $self->players;	1670	return if $self->players;
1248	return if $self->{path}{user_rel};#d#	1671	return if $self->isa ("ext::map_per_player");#d#
1249		1672
1250	warn "resetting map ", $self->path;#d#	1673	warn "resetting map ", $self->path;#d#
1251		1674
1252	utf8::encode (my $save = $self->{path}->save_path);	1675	$self->in_memory (cf::MAP_SWAPPED);
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;	1676
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	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
		1685	delete $cf::MAP{$self->path};
		1686
		1687	$self->clear;
1255		1688
1256	$_->clear_links_to ($self) for values %cf::MAP;	1689	$_->clear_links_to ($self) for values %cf::MAP;
1257		1690
		1691	$self->unlink_save;
1258	$self->clear;	1692	$self->destroy;
1259	$self->in_memory (cf::MAP_SWAPPED);
1260	utf8::encode ($self->{load_path} = $self->{path}->load_path);
1261	}	1693	}
1262		1694
1263	sub customise_for {	1695	my $nuke_counter = "aaaa";
1264	my ($map, $ob) = @_;
1265		1696
1266	if ($map->per_player) {	1697	sub nuke {
1267	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1698	my ($self) = @_;
1268	}
1269		1699
1270	$map	1700	delete $cf::MAP{$self->path};
1271	}
1272		1701
1273	sub emergency_save {	1702	$self->unlink_save;
1274	local $cf::FREEZE = 1;
1275		1703
1276	warn "enter emergency map save\n";	1704	bless $self, "cf::map";
		1705	delete $self->{deny_reset};
		1706	$self->{deny_save} = 1;
		1707	$self->reset_timeout (1);
		1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1277		1709
1278	cf::sync_job {	1710	$cf::MAP{$self->path} = $self;
1279	warn "begin emergency map save\n";	1711
1280	$_->save for values %cf::MAP;	1712	$self->reset; # polite request, might not happen
		1713	}
		1714
		1715	=item cf::map::unique_maps
		1716
		1717	Returns an arrayref of paths of all shared maps that have
		1718	instantiated unique items. May block.
		1719
		1720	=cut
		1721
		1722	sub unique_maps() {
		1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1724	or return;
		1725
		1726	my @paths;
		1727
		1728	for (@$files) {
		1729	utf8::decode $_;
		1730	next if /\.pst$/;
		1731	next unless /^$PATH_SEP/o;
		1732
		1733	push @paths, cf::map::normalise $_;
1281	};	1734	}
1282		1735
1283	warn "end emergency map save\n";	1736	\@paths
1284	}	1737	}
1285		1738
1286	package cf;	1739	package cf;
1287		1740
1288	=back	1741	=back
1289		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
1290		1769
1291	=head3 cf::object::player	1770	=head3 cf::object::player
1292		1771
1293	=over 4	1772	=over 4
1294		1773
…		…
1330	(ref $cf::CFG{"may_$access"}	1809	(ref $cf::CFG{"may_$access"}
1331	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1810	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1332	: $cf::CFG{"may_$access"})	1811	: $cf::CFG{"may_$access"})
1333	}	1812	}
1334		1813
		1814	=item $player_object->enter_link
		1815
		1816	Freezes the player and moves him/her to a special map (C<{link}>).
		1817
		1818	The player should be reasonably safe there for short amounts of time. You
		1819	I<MUST> call C<leave_link> as soon as possible, though.
		1820
		1821	Will never block.
		1822
		1823	=item $player_object->leave_link ($map, $x, $y)
		1824
		1825	Moves the player out of the special C<{link}> map onto the specified
		1826	map. If the map is not valid (or omitted), the player will be moved back
		1827	to the location he/she was before the call to C<enter_link>, or, if that
		1828	fails, to the emergency map position.
		1829
		1830	Might block.
		1831
		1832	=cut
		1833
		1834	sub link_map {
		1835	unless ($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	$LINK_MAP
		1842	}
		1843
1335	sub cf::object::player::enter_link {	1844	sub cf::object::player::enter_link {
1336	my ($self) = @_;	1845	my ($self) = @_;
1337		1846
1338	return if $self->map == $LINK_MAP;	1847	$self->deactivate_recursive;
1339		1848
		1849	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1850
1340	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1341	if $self->map;	1852	if $self->map;
1342		1853
1343	$self->enter_map ($LINK_MAP, 20, 20);	1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1344	$self->deactivate_recursive;
1345	}	1855	}
1346		1856
1347	sub cf::object::player::leave_link {	1857	sub cf::object::player::leave_link {
1348	my ($self, $map, $x, $y) = @_;	1858	my ($self, $map, $x, $y) = @_;
1349		1859
1350	my $link_pos = delete $self->{_link_pos};	1860	my $link_pos = delete $self->{_link_pos};
1351		1861
1352	unless ($map) {	1862	unless ($map) {
1353	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1354
1355	# restore original map position	1863	# restore original map position
1356	($map, $x, $y) = @{ $link_pos || [] };	1864	($map, $x, $y) = @{ $link_pos || [] };
1357	$map = cf::map::find_map $map;	1865	$map = cf::map::find $map;
1358		1866
1359	unless ($map) {	1867	unless ($map) {
1360	($map, $x, $y) = @$EMERGENCY_POSITION;	1868	($map, $x, $y) = @$EMERGENCY_POSITION;
1361	$map = cf::map::find_map $map	1869	$map = cf::map::find $map
1362	or die "FATAL: cannot load emergency map\n";	1870	or die "FATAL: cannot load emergency map\n";
1363	}	1871	}
1364	}	1872	}
1365		1873
1366	($x, $y) = (-1, -1)	1874	($x, $y) = (-1, -1)
…		…
1369	# use -1 or undef as default coordinates, not 0, 0	1877	# use -1 or undef as default coordinates, not 0, 0
1370	($x, $y) = ($map->enter_x, $map->enter_y)	1878	($x, $y) = ($map->enter_x, $map->enter_y)
1371	if $x <=0 && $y <= 0;	1879	if $x <=0 && $y <= 0;
1372		1880
1373	$map->load;	1881	$map->load;
		1882	$map->load_diag;
1374		1883
		1884	return unless $self->contr->active;
1375	$self->activate_recursive;	1885	$self->activate_recursive;
		1886
		1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1376	$self->enter_map ($map, $x, $y);	1888	$self->enter_map ($map, $x, $y);
1377	}	1889	}
1378		1890
		1891	cf::player->attach (
		1892	on_logout => sub {
		1893	my ($pl) = @_;
		1894
		1895	# abort map switching before logout
		1896	if ($pl->ob->{_link_pos}) {
		1897	cf::sync_job {
		1898	$pl->ob->leave_link
		1899	};
		1900	}
		1901	},
		1902	on_login => sub {
		1903	my ($pl) = @_;
		1904
		1905	# try to abort aborted map switching on player login :)
		1906	# should happen only on crashes
		1907	if ($pl->ob->{_link_pos}) {
		1908	$pl->ob->enter_link;
		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);
		1914	# we need this sleep as the login has a concurrent enter_exit running
		1915	# and this sleep increases chances of the player not ending up in scorn
		1916	Coro::Timer::sleep 1;
		1917	$pl->ob->leave_link;
		1918	})->prio (2);
		1919	}
		1920	},
		1921	);
		1922
1379	=item $player_object->goto_map ($map, $x, $y)	1923	=item $player_object->goto ($path, $x, $y)
1380		1924
1381	=cut	1925	=cut
1382		1926
1383	sub cf::object::player::goto_map {	1927	sub cf::object::player::goto {
1384	my ($self, $path, $x, $y) = @_;	1928	my ($self, $path, $x, $y) = @_;
1385		1929
1386	$self->enter_link;	1930	$self->enter_link;
1387		1931
1388	(Coro::async {	1932	(async {
1389	$path = new cf::path $path;	1933	my $map = eval {
1390
1391	my $map = cf::map::find_map $path->as_string;	1934	my $map = cf::map::find $path;
1392	$map = $map->customise_for ($self) if $map;	1935	$map = $map->customise_for ($self) if $map;
1393
1394	warn "entering ", $map->path, " at ($x, $y)\n"
1395	if $map;	1936	$map
		1937	} or
		1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1396		1939
1397	$self->leave_link ($map, $x, $y);	1940	$self->leave_link ($map, $x, $y);
1398	})->prio (1);	1941	})->prio (1);
1399	}	1942	}
1400		1943
…		…
1404		1947
1405	sub parse_random_map_params {	1948	sub parse_random_map_params {
1406	my ($spec) = @_;	1949	my ($spec) = @_;
1407		1950
1408	my $rmp = { # defaults	1951	my $rmp = { # defaults
1409	xsize => 10,	1952	xsize => (cf::rndm 15, 40),
1410	ysize => 10,	1953	ysize => (cf::rndm 15, 40),
		1954	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1955	#layout => string,
1411	};	1956	};
1412		1957
1413	for (split /\n/, $spec) {	1958	for (split /\n/, $spec) {
1414	my ($k, $v) = split /\s+/, $_, 2;	1959	my ($k, $v) = split /\s+/, $_, 2;
1415		1960
…		…
1419	$rmp	1964	$rmp
1420	}	1965	}
1421		1966
1422	sub prepare_random_map {	1967	sub prepare_random_map {
1423	my ($exit) = @_;	1968	my ($exit) = @_;
		1969
		1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1424		1971
1425	# all this does is basically replace the /! path by	1972	# all this does is basically replace the /! path by
1426	# a new random map path (?random/...) with a seed	1973	# a new random map path (?random/...) with a seed
1427	# that depends on the exit object	1974	# that depends on the exit object
1428		1975
1429	my $rmp = parse_random_map_params $exit->msg;	1976	my $rmp = parse_random_map_params $exit->msg;
1430		1977
1431	if ($exit->map) {	1978	if ($exit->map) {
1432	$rmp->{region} = $exit->map->region_name;	1979	$rmp->{region} = $exit->region->name;
1433	$rmp->{origin_map} = $exit->map->path;	1980	$rmp->{origin_map} = $exit->map->path;
1434	$rmp->{origin_x} = $exit->x;	1981	$rmp->{origin_x} = $exit->x;
1435	$rmp->{origin_y} = $exit->y;	1982	$rmp->{origin_y} = $exit->y;
1436	}	1983	}
1437		1984
1438	$rmp->{random_seed} ||= $exit->random_seed;	1985	$rmp->{random_seed} ||= $exit->random_seed;
1439		1986
1440	my $data = cf::to_json $rmp;	1987	my $data = cf::to_json $rmp;
1441	my $md5 = Digest::MD5::md5_hex $data;	1988	my $md5 = Digest::MD5::md5_hex $data;
		1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1442		1990
1443	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) {
1444	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;
1445		1995
1446	$exit->slaying ("?random/$md5");	1996	$exit->slaying ("?random/$md5");
1447	$exit->msg (undef);	1997	$exit->msg (undef);
1448	}	1998	}
1449	}	1999	}
…		…
1451	sub cf::object::player::enter_exit {	2001	sub cf::object::player::enter_exit {
1452	my ($self, $exit) = @_;	2002	my ($self, $exit) = @_;
1453		2003
1454	return unless $self->type == cf::PLAYER;	2004	return unless $self->type == cf::PLAYER;
1455		2005
		2006	if ($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
1456	$self->enter_link;	2017	$self->enter_link;
1457		2018
1458	(Coro::async {	2019	(async {
		2020	$self->deactivate_recursive; # just to be sure
1459	unless (eval {	2021	unless (eval {
1460		2022	$self->goto ($slaying, $hp, $sp);
1461	prepare_random_map $exit
1462	if $exit->slaying eq "/!";
1463
1464	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1465	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1466		2023
1467	1;	2024	1;
1468	}) {	2025	}) {
1469	$self->message ("Something went wrong deep within the crossfire server. "	2026	$self->message ("Something went wrong deep within the crossfire server. "
1470	. "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. "
1471	. "Please report this to the dungeon master",	2028	. "Please report this to the dungeon master!",
1472	cf::NDI_UNIQUE | cf::NDI_RED);	2029	cf::NDI_UNIQUE | cf::NDI_RED);
1473		2030
1474	warn "ERROR in enter_exit: $@";	2031	warn "ERROR in enter_exit: $@";
1475	$self->leave_link;	2032	$self->leave_link;
1476	}	2033	}
1477	})->prio (1);	2034	})->prio (1);
…		…
1490		2047
1491	sub cf::client::send_drawinfo {	2048	sub cf::client::send_drawinfo {
1492	my ($self, $text, $flags) = @_;	2049	my ($self, $text, $flags) = @_;
1493		2050
1494	utf8::encode $text;	2051	utf8::encode $text;
1495	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1496	}	2053	}
1497		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	}
1498		2067
1499	=item $success = $client->query ($flags, "text", \&cb)	2068	=item $success = $client->query ($flags, "text", \&cb)
1500		2069
1501	Queues a query to the client, calling the given callback with	2070	Queues a query to the client, calling the given callback with
1502	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>,
…		…
1527	on_reply => sub {	2096	on_reply => sub {
1528	my ($ns, $msg) = @_;	2097	my ($ns, $msg) = @_;
1529		2098
1530	# this weird shuffling is so that direct followup queries	2099	# this weird shuffling is so that direct followup queries
1531	# get handled first	2100	# get handled first
1532	my $queue = delete $ns->{query_queue};	2101	my $queue = delete $ns->{query_queue}
		2102	or return; # be conservative, not sure how that can happen, but we saw a crash here
1533		2103
1534	(shift @$queue)->[1]->($msg);	2104	(shift @$queue)->[1]->($msg);
		2105	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1535		2106
1536	push @{ $ns->{query_queue} }, @$queue;	2107	push @{ $ns->{query_queue} }, @$queue;
1537		2108
1538	if (@{ $ns->{query_queue} } == @$queue) {	2109	if (@{ $ns->{query_queue} } == @$queue) {
1539	if (@$queue) {	2110	if (@$queue) {
…		…
1543	}	2114	}
1544	}	2115	}
1545	},	2116	},
1546	);	2117	);
1547		2118
1548	=item $client->coro (\&cb)	2119	=item $client->async (\&cb)
1549		2120
1550	Create a new coroutine, running the specified callback. The coroutine will	2121	Create a new coroutine, running the specified callback. The coroutine will
1551	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,
1552	or loss of connection).	2123	or loss of connection).
1553		2124
1554	=cut	2125	=cut
1555		2126
1556	sub cf::client::coro {	2127	sub cf::client::async {
1557	my ($self, $cb) = @_;	2128	my ($self, $cb) = @_;
1558		2129
1559	my $coro; $coro = async {	2130	my $coro = &Coro::async ($cb);
1560	eval {
1561	$cb->();
1562	};
1563	warn $@ if $@;
1564	};
1565		2131
1566	$coro->on_destroy (sub {	2132	$coro->on_destroy (sub {
1567	delete $self->{_coro}{$coro+0};	2133	delete $self->{_coro}{$coro+0};
1568	});	2134	});
1569		2135
…		…
1602		2168
1603	# here we export the classes and methods available to script code	2169	# here we export the classes and methods available to script code
1604		2170
1605	=pod	2171	=pod
1606		2172
1607	The following fucntions and emthods are available within a safe environment:	2173	The following functions and methods are available within a safe environment:
1608		2174
1609	cf::object contr pay_amount pay_player map	2175	cf::object contr pay_amount pay_player map
1610	cf::object::player player	2176	cf::object::player player
1611	cf::player peaceful	2177	cf::player peaceful
1612	cf::map trigger	2178	cf::map trigger
…		…
1705	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
1706	using it, it should be unique.	2272	using it, it should be unique.
1707		2273
1708	=over 4	2274	=over 4
1709		2275
1710	=item $hashref = cf::db_get $family
1711
1712	Return a hashref for use by the extension C<$family>, which can be
1713	modified. After modifications, you have to call C<cf::db_dirty> or
1714	C<cf::db_sync>.
1715
1716	=item $value = cf::db_get $family => $key	2276	=item $value = cf::db_get $family => $key
1717		2277
1718	Returns a single value from the database	2278	Returns a single value from the database.
1719
1720	=item cf::db_put $family => $hashref
1721
1722	Stores the given family hashref into the database. Updates are delayed, if
1723	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1724		2279
1725	=item cf::db_put $family => $key => $value	2280	=item cf::db_put $family => $key => $value
1726		2281
1727	Stores the given C<$value> in the family hash. Updates are delayed, if you	2282	Stores the given C<$value> in the family.
1728	want the data to be synced to disk immediately, use C<cf::db_sync>.
1729
1730	=item cf::db_dirty
1731
1732	Marks the database as dirty, to be updated at a later time.
1733
1734	=item cf::db_sync
1735
1736	Immediately write the database to disk I<if it is dirty>.
1737		2283
1738	=cut	2284	=cut
1739		2285
1740	our $DB;	2286	our $DB;
1741		2287
1742	{	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
1743	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;
1744		2307
1745	sub db_load() {	2308	cf::db_put (board => data => $pst->{board});
1746	warn "loading database $path\n";#d# remove later	2309	cf::db_put (guildrules => data => $pst->{guildrules});
1747	$DB = stat $path ? Storable::retrieve $path : { };	2310	cf::db_put (rent => balance => $pst->{rent}{balance});
1748	}	2311	BDB::db_env_txn_checkpoint $DB_ENV;
1749		2312
1750	my $pid;	2313	unlink $path;
1751
1752	sub db_save() {
1753	warn "saving database $path\n";#d# remove later
1754	waitpid $pid, 0 if $pid;
1755	if (0 == ($pid = fork)) {
1756	$DB->{_meta}{version} = 1;
1757	Storable::nstore $DB, "$path~";
1758	rename "$path~", $path;
1759	cf::_exit 0 if defined $pid;
1760	}	2314	};
1761	}
1762
1763	my $dirty;
1764
1765	sub db_sync() {
1766	db_save if $dirty;
1767	undef $dirty;
1768	}
1769
1770	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1771	db_sync;
1772	});
1773
1774	sub db_dirty() {
1775	$dirty = 1;
1776	$idle->start;
1777	}
1778
1779	sub db_get($;$) {
1780	@_ >= 2
1781	? $DB->{$_[0]}{$_[1]}
1782	: ($DB->{$_[0]} ||= { })
1783	}
1784
1785	sub db_put($$;$) {
1786	if (@_ >= 3) {
1787	$DB->{$_[0]}{$_[1]} = $_[2];
1788	} else {
1789	$DB->{$_[0]} = $_[1];
1790	}
1791	db_dirty;
1792	}
1793
1794	cf::global->attach (
1795	prio => 10000,
1796	on_cleanup => sub {
1797	db_sync;
1798	},	2315	}
1799	);	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 { };
1800	}	2333	}
1801		2334
1802	#############################################################################	2335	#############################################################################
1803	# 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	}
1804		2400
1805	sub cfg_load {	2401	sub cfg_load {
1806	open my $fh, "<:utf8", cf::confdir . "/config"	2402	open my $fh, "<:utf8", cf::confdir . "/config"
1807	or return;	2403	or return;
1808		2404
1809	local $/;	2405	local $/;
1810	*CFG = YAML::Syck::Load <$fh>;	2406	*CFG = YAML::Syck::Load <$fh>;
		2407
		2408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		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
		2413	if (exists $CFG{mlockall}) {
		2414	eval {
		2415	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2416	and die "WARNING: m(un)lockall failed: $!\n";
		2417	};
		2418	warn $@ if $@;
		2419	}
1811	}	2420	}
1812		2421
1813	sub main {	2422	sub main {
1814	# we must not ever block the main coroutine	2423	# we must not ever block the main coroutine
1815	local $Coro::idle = sub {	2424	local $Coro::idle = sub {
1816	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1817	(Coro::unblock_sub {	2426	(async {
1818	Event::one_event;	2427	Event::one_event;
1819	})->();	2428	})->prio (Coro::PRIO_MAX);
1820	};	2429	};
1821		2430
1822	cfg_load;	2431	cfg_load;
1823	db_load;	2432	db_init;
1824	load_extensions;	2433	load_extensions;
		2434
		2435	$TICK_WATCHER->start;
1825	Event::loop;	2436	Event::loop;
1826	}	2437	}
1827		2438
1828	#############################################################################	2439	#############################################################################
1829	# initialisation	2440	# initialisation and cleanup
1830		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 $make_core;
		2495	}
		2496
1831	sub perl_reload() {	2497	sub reload() {
1832	# can/must only be called in main	2498	# can/must only be called in main
1833	if ($Coro::current != $Coro::main) {	2499	if ($Coro::current != $Coro::main) {
1834	warn "can only reload from main coroutine\n";	2500	warn "can only reload from main coroutine";
1835	return;	2501	return;
1836	}	2502	}
1837		2503
1838	warn "reloading...";	2504	warn "reloading...";
1839		2505
1840	local $FREEZE = 1;	2506	warn "entering sync_job";
		2507
		2508	cf::sync_job {
		2509	cf::write_runtime; # external watchdog should not bark
1841	cf::emergency_save;	2510	cf::emergency_save;
		2511	cf::write_runtime; # external watchdog should not bark
1842		2512
1843	eval {	2513	warn "syncing database to disk";
		2514	BDB::db_env_txn_checkpoint $DB_ENV;
		2515
1844	# 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
1845		2517
1846	# cancel all watchers	2518	warn "cancelling all WF_AUTOCANCEL watchers";
1847	for (Event::all_watchers) {	2519	for (Event::all_watchers) {
1848	$_->cancel if $_->data & WF_AUTOCANCEL;	2520	$_->cancel if $_->data & WF_AUTOCANCEL;
1849	}	2521	}
1850		2522
		2523	warn "flushing outstanding aio requests";
		2524	for (;;) {
		2525	BDB::flush;
		2526	IO::AIO::flush;
		2527	Coro::cede;
		2528	last unless IO::AIO::nreqs || BDB::nreqs;
		2529	warn "iterate...";
		2530	}
		2531
		2532	++$RELOAD;
		2533
1851	# cancel all extension coros	2534	warn "cancelling all extension coros";
1852	$_->cancel for values %EXT_CORO;	2535	$_->cancel for values %EXT_CORO;
1853	%EXT_CORO = ();	2536	%EXT_CORO = ();
1854		2537
1855	# unload all extensions	2538	warn "removing commands";
1856	for (@exts) {	2539	%COMMAND = ();
		2540
		2541	warn "removing ext commands";
		2542	%EXTCMD = ();
		2543
		2544	warn "unloading/nuking all extensions";
		2545	for my $pkg (@EXTS) {
1857	warn "unloading <$_>";	2546	warn "... unloading $pkg";
1858	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: $@";
1859	}	2553	}
1860		2554
		2555	warn "... nuking $pkg";
		2556	Symbol::delete_package $pkg;
		2557	}
		2558
1861	# unload all modules loaded from $LIBDIR	2559	warn "unloading all perl modules loaded from $LIBDIR";
1862	while (my ($k, $v) = each %INC) {	2560	while (my ($k, $v) = each %INC) {
1863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1864		2562
1865	warn "removing <$k>";	2563	warn "... unloading $k";
1866	delete $INC{$k};	2564	delete $INC{$k};
1867		2565
1868	$k =~ s/\.pm$//;	2566	$k =~ s/\.pm$//;
1869	$k =~ s/\//::/g;	2567	$k =~ s/\//::/g;
1870		2568
…		…
1873	}	2571	}
1874		2572
1875	Symbol::delete_package $k;	2573	Symbol::delete_package $k;
1876	}	2574	}
1877		2575
1878	# sync database to disk
1879	cf::db_sync;
1880	IO::AIO::flush;
1881
1882	# get rid of safe::, as good as possible	2576	warn "getting rid of safe::, as good as possible";
1883	Symbol::delete_package "safe::$_"	2577	Symbol::delete_package "safe::$_"
1884	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);
1885		2579
1886	# remove register_script_function callbacks
1887	# TODO
1888
1889	# unload cf.pm "a bit"	2580	warn "unloading cf.pm \"a bit\"";
1890	delete $INC{"cf.pm"};	2581	delete $INC{"cf.pm"};
1891		2582
1892	# don't, removes xs symbols, too,	2583	# don't, removes xs symbols, too,
1893	# and global variables created in xs	2584	# and global variables created in xs
1894	#Symbol::delete_package __PACKAGE__;	2585	#Symbol::delete_package __PACKAGE__;
1895		2586
1896	# reload cf.pm	2587	warn "unload completed, starting to reload now";
		2588
1897	warn "reloading cf.pm";	2589	warn "reloading cf.pm";
1898	require cf;	2590	require cf;
1899	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1900		2592
1901	# load config and database again	2593	warn "loading config and database again";
1902	cf::cfg_load;	2594	cf::cfg_load;
1903	cf::db_load;
1904		2595
1905	# load extensions
1906	warn "load extensions";	2596	warn "loading extensions";
1907	cf::load_extensions;	2597	cf::load_extensions;
1908		2598
1909	# reattach attachments to objects	2599	warn "reattaching attachments to objects/players";
1910	warn "reattach";	2600	_global_reattach; # objects, sockets
1911	_global_reattach;	2601	warn "reattaching attachments to maps";
1912	};	2602	reattach $_ for values %MAP;
		2603	warn "reattaching attachments to players";
		2604	reattach $_ for values %PLAYER;
1913		2605
1914	if ($@) {	2606	warn "loading reloadable resources";
		2607	reload_resources;
		2608
		2609	warn "leaving sync_job";
		2610
		2611	1
		2612	} or do {
1915	warn $@;	2613	warn $@;
1916	warn "error while reloading, exiting.";	2614	warn "error while reloading, exiting.";
1917	exit 1;	2615	exit 1;
1918	}	2616	};
1919		2617
1920	warn "reloaded successfully";	2618	warn "reloaded";
1921	};	2619	};
1922		2620
1923	#############################################################################	2621	our $RELOAD_WATCHER; # used only during reload
1924		2622
1925	unless ($LINK_MAP) {
1926	$LINK_MAP = cf::map::new;
1927
1928	$LINK_MAP->width (41);
1929	$LINK_MAP->height (41);
1930	$LINK_MAP->alloc;
1931	$LINK_MAP->path ("{link}");
1932	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1933	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1934
1935	# dirty hack because... archetypes are not yet loaded
1936	Event->timer (
1937	after => 2,
1938	cb => sub {
1939	$_[0]->w->cancel;
1940
1941	# provide some exits "home"
1942	my $exit = cf::object::new "exit";
1943
1944	$exit->slaying ($EMERGENCY_POSITION->[0]);
1945	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1946	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1947
1948	$LINK_MAP->insert ($exit->clone, 19, 19);
1949	$LINK_MAP->insert ($exit->clone, 19, 20);
1950	$LINK_MAP->insert ($exit->clone, 19, 21);
1951	$LINK_MAP->insert ($exit->clone, 20, 19);
1952	$LINK_MAP->insert ($exit->clone, 20, 21);
1953	$LINK_MAP->insert ($exit->clone, 21, 19);
1954	$LINK_MAP->insert ($exit->clone, 21, 20);
1955	$LINK_MAP->insert ($exit->clone, 21, 21);
1956
1957	$exit->destroy;
1958	});
1959
1960	$LINK_MAP->{deny_save} = 1;
1961	$LINK_MAP->{deny_reset} = 1;
1962
1963	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1964	}
1965
1966	register "<global>", __PACKAGE__;
1967
1968	register_command "perl-reload" => sub {	2623	register_command "reload" => sub {
1969	my ($who, $arg) = @_;	2624	my ($who, $arg) = @_;
1970		2625
1971	if ($who->flag (FLAG_WIZ)) {	2626	if ($who->flag (FLAG_WIZ)) {
1972	$who->message ("start of reload.");
1973	perl_reload;
1974	$who->message ("end 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 {
		2637	reload;
		2638	undef $RELOAD_WATCHER;
		2639	},
		2640	);
1975	}	2641	}
1976	};	2642	};
1977		2643
1978	unshift @INC, $LIBDIR;	2644	unshift @INC, $LIBDIR;
		2645
		2646	my $bug_warning = 0;
1979		2647
1980	$TICK_WATCHER = Event->timer (	2648	$TICK_WATCHER = Event->timer (
1981	reentrant => 0,	2649	reentrant => 0,
		2650	parked => 1,
1982	prio => 0,	2651	prio => 0,
1983	at => $NEXT_TICK || $TICK,	2652	at => $NEXT_TICK || $TICK,
1984	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
1985	cb => sub {	2654	cb => sub {
1986	unless ($FREEZE) {	2655	if ($Coro::current != $Coro::main) {
		2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2657	unless ++$bug_warning > 10;
		2658	return;
		2659	}
		2660
		2661	$NOW = Event::time;
		2662
1987	cf::server_tick; # one server iteration	2663	cf::server_tick; # one server iteration
1988	$RUNTIME += $TICK;	2664	$RUNTIME += $TICK;
1989	}
1990
1991	$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#
1992		2680
1993	# 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
1994	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1995		2683
1996	$TICK_WATCHER->at ($NEXT_TICK);	2684	$TICK_WATCHER->at ($NEXT_TICK);
1997	$TICK_WATCHER->start;	2685	$TICK_WATCHER->start;
1998	},	2686	},
1999	);	2687	);
2000		2688
		2689	{
2001	IO::AIO::max_poll_time $TICK * 0.2;	2690	BDB::max_poll_time $TICK * 0.1;
2002		2691	$BDB_POLL_WATCHER = Event->io (
2003	Event->io (	2692	reentrant => 0,
2004	fd => IO::AIO::poll_fileno,	2693	fd => BDB::poll_fileno,
2005	poll => 'r',	2694	poll => 'r',
2006	prio => 5,	2695	prio => 0,
2007	data => WF_AUTOCANCEL,
2008	cb => \&IO::AIO::poll_cb,
2009	);
2010
2011	Event->timer (
2012	data => WF_AUTOCANCEL,	2696	data => WF_AUTOCANCEL,
2013	after => 0,	2697	cb => \&BDB::poll_cb,
2014	interval => 10,	2698	);
2015	cb => sub {	2699	BDB::min_parallel 8;
2016	(Coro::unblock_sub {	2700
2017	write_runtime	2701	BDB::set_sync_prepare {
2018	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 $@;
2019	})->();	2735	};
2020	},	2736	}
2021	);	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	}
		2753
		2754	END { cf::emergency_save }
2022		2755
2023	1	2756	1
2024		2757

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