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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.113 by root, Mon Jan 1 15:32:40 2007 UTC vs.
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3;	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
		24	use Data::Dumper;
20	use Digest::MD5;	25	use Digest::MD5;
21	use Fcntl;	26	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
		28	use IO::AIO 2.32 ();
24	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
25		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
27		39
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
30		42
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		44
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		46
35	our %COMMAND = ();	47	our %COMMAND = ();
36	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
38		54
		55	our $RELOAD; # number of reloads so far
39	our @EVENT;	56	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
41		58
42	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	63	our $NEXT_TICK;
45	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
46		69
47	our %CFG;	70	our %CFG;
48		71
49	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	73	our $RUNTIME;
51		74
		75	our %PLAYER; # all users
52	our %MAP; # all maps	76	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	79	our $BDB_ENV_DIR = cf::localdir . "/db";
		80
		81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		83
		84	# used to convert map paths into valid unix filenames by replacing / by ∕
		85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		86
58	binmode STDOUT;	87	binmode STDOUT;
59	binmode STDERR;	88	binmode STDERR;
60		89
61	# read virtual server time, if available	90	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	97	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	98	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	99	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	100	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	101	mkdir $RANDOM_MAPS;
		102	mkdir $BDB_ENV_DIR;
73		103
74	# a special map that is always available	104	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		105
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	106	sub cf::map::normalise;
78		107
79	#############################################################################	108	#############################################################################
80		109
81	=head2 GLOBAL VARIABLES	110	=head2 GLOBAL VARIABLES
82		111
…		…
106		135
107	=item %cf::CFG	136	=item %cf::CFG
108		137
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	138	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	139	from wherever your confdir points to.
		140
		141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		142
		143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		145	processing has been done. Call C<< ->wait >> on them to maximise the
		146	window of cpu time available, or simply to synchronise to the server tick.
111		147
112	=back	148	=back
113		149
114	=cut	150	=cut
115		151
…		…
119	utf8::encode $msg;	155	utf8::encode $msg;
120		156
121	$msg .= "\n"	157	$msg .= "\n"
122	unless $msg =~ /\n$/;	158	unless $msg =~ /\n$/;
123		159
124	LOG llevError, "cfperl: $msg";	160	LOG llevError, $msg;
125	};	161	};
126	}	162	}
127		163
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		183
148	$Event::DIED = sub {	184	$Event::DIED = sub {
149	warn "error in event callback: @_";	185	warn "error in event callback: @_";
150	};	186	};
151		187
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
157		189
158	=over 4	190	=over 4
159		191
160	=cut	192	=item dumpval $ref
161		193
		194	=cut
		195
		196	sub dumpval {
		197	eval {
		198	local $SIG{__DIE__};
		199	my $d;
		200	if (1) {
		201	$d = new Data::Dumper([$_[0]], ["*var"]);
		202	$d->Terse(1);
		203	$d->Indent(2);
		204	$d->Quotekeys(0);
		205	$d->Useqq(1);
		206	#$d->Bless(...);
		207	$d->Seen($_[1]) if @_ > 1;
		208	$d = $d->Dump();
		209	}
		210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		211	$d
		212	} || "[unable to dump $_[0]: '$@']";
		213	}
		214
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
163		216
164	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
165		218
166	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
167		220
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
176		222
177	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
178		224
179	=cut	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
…		…
203	# this is the main coro, too bad, we have to block	304	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	305	# till the operation succeeds, freezing the server :/
205		306
206	# TODO: use suspend/resume instead	307	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	308	# (but this is cancel-safe)
208	local $FREEZE = 1;	309	my $freeze_guard = freeze_mainloop;
209		310
210	my $busy = 1;	311	my $busy = 1;
211	my @res;	312	my @res;
212		313
213	(Coro::async {	314	(async {
214	@res = eval { $job->() };	315	@res = eval { $job->() };
215	warn $@ if $@;	316	warn $@ if $@;
216	undef $busy;	317	undef $busy;
217	})->prio (Coro::PRIO_MAX);	318	})->prio (Coro::PRIO_MAX);
218		319
219	while ($busy) {	320	while ($busy) {
220	Coro::cede_notself;	321	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	322	}
223		323
224	wantarray ? @res : $res[0]	324	wantarray ? @res : $res[0]
225	} else {	325	} else {
226	# we are in another coroutine, how wonderful, everything just works	326	# we are in another coroutine, how wonderful, everything just works
227		327
228	$job->()	328	$job->()
229	}	329	}
230	}	330	}
231		331
232	=item $coro = cf::coro { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
233		333
234	Creates and returns a new coro. This coro is automcatially being canceled	334	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	335	extension calling this is being unloaded.
236		336
237	=cut	337	=cut
238		338
239	sub coro(&) {	339	sub async_ext(&) {
240	my $cb = shift;	340	my $cb = shift;
241		341
242	my $coro; $coro = async {	342	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		343
249	$coro->on_destroy (sub {	344	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	345	delete $EXT_CORO{$coro+0};
251	});	346	});
252	$EXT_CORO{$coro+0} = $coro;	347	$EXT_CORO{$coro+0} = $coro;
253		348
254	$coro	349	$coro
255	}	350	}
256		351
257	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
258	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
259		356
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	358	or return;
262		359
		360	my $value = $cf::RUNTIME + 90 + 10;
263	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
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	365	and return;
266		366
		367	# always fsync - this file is important
267	aio_fsync $fh	368	aio_fsync $fh
268	and return;	369	and return;
269		370
270	close $fh	371	close $fh
271	or return;	372	or return;
…		…
274	and return;	375	and return;
275		376
276	1	377	1
277	}	378	}
278		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
279	=back	391	=back
280		392
281	=cut	393	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	if ($path =~ s{^\?random/}{}) {
295	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
296	$self->{random} = cf::from_json $data;
297	} else {
298	if ($path =~ s{^~([^/]+)?}{}) {
299	$self->{user_rel} = 1;
300
301	if (defined $1) {
302	$self->{user} = $1;
303	} elsif ($base =~ m{^~([^/]+)/}) {
304	$self->{user} = $1;
305	} else {
306	warn "cannot resolve user-relative path without user <$path,$base>\n";
307	}
308	} elsif ($path =~ /^\//) {
309	# already absolute
310	} else {
311	$base =~ s{[^/]+/?$}{};
312	return $class->new ("$base/$path");
313	}
314
315	for ($path) {
316	redo if s{/\.?/}{/};
317	redo if s{/[^/]+/\.\./}{/};
318	}
319	}
320
321	$self->{path} = $path;
322
323	$self
324	}
325
326	# the name / primary key / in-game path
327	sub as_string {
328	my ($self) = @_;
329
330	$self->{user_rel} ? "~$self->{user}$self->{path}"
331	: $self->{random} ? "?random/$self->{path}"
332	: $self->{path}
333	}
334
335	# the displayed name, this is a one way mapping
336	sub visible_name {
337	my ($self) = @_;
338
339	# if (my $rmp = $self->{random}) {
340	# # todo: be more intelligent about this
341	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
342	# } else {
343	$self->as_string
344	# }
345	}
346
347	# escape the /'s in the path
348	sub _escaped_path {
349	# ∕ is U+2215
350	(my $path = $_[0]{path}) =~ s/\//∕/g;
351	$path
352	}
353
354	# the original (read-only) location
355	sub load_path {
356	my ($self) = @_;
357
358	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
359	}
360
361	# the temporary/swap location
362	sub save_path {
363	my ($self) = @_;
364
365	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
366	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
367	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
368	}
369
370	# the unique path, might be eq to save_path
371	sub uniq_path {
372	my ($self) = @_;
373
374	$self->{user_rel} || $self->{random}
375	? undef
376	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
377	}
378
379	# return random map parameters, or undef
380	sub random_map_params {
381	my ($self) = @_;
382
383	$self->{random}
384	}
385
386	# this is somewhat ugly, but style maps do need special treatment
387	sub is_style_map {
388	$_[0]{path} =~ m{^/styles/}
389	}
390
391	package cf;
392		394
393	#############################################################################	395	#############################################################################
394		396
395	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
396		398
…		…
522	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
523	our @CB_MAP = ();	525	our @CB_MAP = ();
524		526
525	my %attachment;	527	my %attachment;
526		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
527	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
528	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
529		537
530	use sort 'stable';	538	use sort 'stable';
531		539
…		…
702	# object support	710	# object support
703		711
704	sub reattach {	712	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
707		717
708	my $registry = $obj->registry;	718	my $registry = $obj->registry;
709		719
710	@$registry = ();	720	@$registry = ();
711		721
…		…
758	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
759		769
760	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
761	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
762	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
763	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	774	close $fh;
765		775
766	if (@$objs) {	776	if (@$objs) {
767	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) {
768	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
769	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
770	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
771	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	782	close $fh;
773	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
774	}	784	}
775	} else {	785	} else {
776	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
807	(aio_load "$filename.pst", $av) >= 0	817	(aio_load "$filename.pst", $av) >= 0
808	or return;	818	or return;
809	$av = eval { (Storable::thaw $av)->{objs} };	819	$av = eval { (Storable::thaw $av)->{objs} };
810	}	820	}
811		821
		822	warn sprintf "loading %s (%d)\n",
		823	$filename, length $data, scalar @{$av || []};#d#
812	return ($data, $av);	824	return ($data, $av);
813	}	825	}
814		826
815	#############################################################################	827	#############################################################################
816	# command handling &c	828	# command handling &c
…		…
841	=cut	853	=cut
842		854
843	sub register_extcmd {	855	sub register_extcmd {
844	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
845		857
846	my $caller = caller;
847	#warn "registering extcmd '$name' to '$caller'";
848
849	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
850	}	859	}
851		860
852	cf::player->attach (	861	cf::player->attach (
853	on_command => sub {	862	on_command => sub {
854	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
867		876
868	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
869		878
870	if (ref $msg) {	879	if (ref $msg) {
871	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
872	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
873	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
874	}	883	}
875	}	884	}
876	} else {	885	} else {
877	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
879		888
880	cf::override;	889	cf::override;
881	},	890	},
882	);	891	);
883		892
884	sub register {
885	my ($base, $pkg) = @_;
886
887	#TODO
888	}
889
890	sub load_extension {	893	sub load_extension {
891	my ($path) = @_;	894	my ($path) = @_;
892		895
893	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
894	my $base = $1;	897	my $base = $1;
895	my $pkg = $1;	898	my $pkg = $1;
896	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
897	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
898		901
899	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
900		903
901	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
902	or die "$path: $!";	905	or die "$path: $!";
903		906
904	my $source =	907	my $source =
905	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
906	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
907	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
908	. "\n};\n1";	911	. "\n};\n1";
909		912
910	eval $source	913	unless (eval $source) {
911	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
912	: "extension disabled.\n";	915	: "extension disabled.\n";
913		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
914	push @exts, $pkg;	917	warn $@;
915	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
916		919	exit 1;
917	# no strict 'refs';	920	}
918	# @{"$pkg\::ISA"} = ext::;	921	die $@;
919
920	register $base, $pkg;
921	}
922
923	sub unload_extension {
924	my ($pkg) = @_;
925
926	warn "removing extension $pkg\n";
927
928	# remove hooks
929	#TODO
930	# for my $idx (0 .. $#PLUGIN_EVENT) {
931	# delete $hook[$idx]{$pkg};
932	# }	922	}
933		923
934	# remove commands	924	push @EXTS, $pkg;
935	for my $name (keys %COMMAND) {
936	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
937
938	if (@cb) {
939	$COMMAND{$name} = \@cb;
940	} else {
941	delete $COMMAND{$name};
942	}
943	}
944
945	# remove extcmds
946	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
947	delete $EXTCMD{$name};
948	}
949
950	if (my $cb = $pkg->can ("unload")) {
951	eval {
952	$cb->($pkg);
953	1
954	} or warn "$pkg unloaded, but with errors: $@";
955	}
956
957	Symbol::delete_package $pkg;
958	}	925	}
959		926
960	sub load_extensions {	927	sub load_extensions {
961	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	929	next unless -r $ext;
…		…
966	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
967	}	934	}
968	}	935	}
969		936
970	#############################################################################	937	#############################################################################
971	# load/save/clean perl data associated with a map
972
973	*cf::mapsupport::on_clean = sub {
974	my ($map) = @_;
975
976	my $path = $map->tmpname;
977	defined $path or return;
978
979	unlink "$path.pst";
980	};
981
982	cf::map->attach (prio => -10000, package => cf::mapsupport::);
983
984	#############################################################################
985	# load/save perl data associated with player->ob objects
986
987	sub all_objects(@) {
988	@_, map all_objects ($_->inv), @_
989	}
990
991	# TODO: compatibility cruft, remove when no longer needed
992	cf::player->attach (
993	on_load => sub {
994	my ($pl, $path) = @_;
995
996	for my $o (all_objects $pl->ob) {
997	if (my $value = $o->get_ob_key_value ("_perl_data")) {
998	$o->set_ob_key_value ("_perl_data");
999
1000	%$o = %{ Storable::thaw pack "H*", $value };
1001	}
1002	}
1003	},
1004	);
1005
1006	#############################################################################
1007		938
1008	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1009		940
1010	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1011		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1012	=head3 cf::player	949	=head3 cf::player
1013		950
1014	=over 4	951	=over 4
1015		952
1016	=item cf::player::exists $login	953	=item cf::player::find $login
1017		954
1018	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1019		956
1020	=cut	957	=cut
1021		958
1022	sub cf::player::exists($) {	959	sub playerdir($) {
1023	cf::player::find $_[0]	960	cf::localdir
1024	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])
1025	}	965	}
1026		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
1027	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1028		1139
1029	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1030		1141
1031	=cut	1142	=cut
1032		1143
1033	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1034	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1035		1146
1036	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1037		1148
1038	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
1039	}	1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	package cf;
1040		1165
1041	=back	1166	=back
1042		1167
1043		1168
1044	=head3 cf::map	1169	=head3 cf::map
…		…
1050	package cf::map;	1175	package cf::map;
1051		1176
1052	use Fcntl;	1177	use Fcntl;
1053	use Coro::AIO;	1178	use Coro::AIO;
1054		1179
		1180	use overload
		1181	'""' => \&as_string,
		1182	fallback => 1;
		1183
1055	our $MAX_RESET = 7200;	1184	our $MAX_RESET = 3600;
1056	our $DEFAULT_RESET = 3600;	1185	our $DEFAULT_RESET = 3000;
1057		1186
1058	sub generate_random_map {	1187	sub generate_random_map {
1059	my ($path, $rmp) = @_;	1188	my ($self, $rmp) = @_;
1060
1061	# mit "rum" bekleckern, nicht	1189	# mit "rum" bekleckern, nicht
1062	cf::map::_create_random_map	1190	$self->_create_random_map (
1063	$path,
1064	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1065	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1066	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1067	$rmp->{exit_on_final_map},	1194	$rmp->{exit_on_final_map},
1068	$rmp->{xsize}, $rmp->{ysize},	1195	$rmp->{xsize}, $rmp->{ysize},
1069	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1196	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1070	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1197	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1071	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1198	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1072	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1199	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1073	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1200	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1074	(cf::region::find $rmp->{region})	1201	(cf::region::find $rmp->{region}), $rmp->{custom}
		1202	)
		1203	}
		1204
		1205	=item cf::map->register ($regex, $prio)
		1206
		1207	Register a handler for the map path matching the given regex at the
		1208	givne priority (higher is better, built-in handlers have priority 0, the
		1209	default).
		1210
		1211	=cut
		1212
		1213	sub register {
		1214	my (undef, $regex, $prio) = @_;
		1215	my $pkg = caller;
		1216
		1217	no strict;
		1218	push @{"$pkg\::ISA"}, __PACKAGE__;
		1219
		1220	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1221	}
		1222
		1223	# also paths starting with '/'
		1224	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1225
		1226	sub thawer_merge {
		1227	my ($self, $merge) = @_;
		1228
		1229	# we have to keep some variables in memory intact
		1230	local $self->{path};
		1231	local $self->{load_path};
		1232	local $self->{deny_save};
		1233	local $self->{deny_reset};
		1234
		1235	$self->SUPER::thawer_merge ($merge);
		1236	}
		1237
		1238	sub normalise {
		1239	my ($path, $base) = @_;
		1240
		1241	$path = "$path"; # make sure its a string
		1242
		1243	$path =~ s/\.map$//;
		1244
		1245	# map plan:
		1246	#
		1247	# /! non-realised random map exit (special hack!)
		1248	# {... are special paths that are not being touched
		1249	# ?xxx/... are special absolute paths
		1250	# ?random/... random maps
		1251	# /... normal maps
		1252	# ~user/... per-player map of a specific user
		1253
		1254	$path =~ s/$PATH_SEP/\//go;
		1255
		1256	# treat it as relative path if it starts with
		1257	# something that looks reasonable
		1258	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1259	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1260
		1261	$base =~ s{[^/]+/?$}{};
		1262	$path = "$base/$path";
		1263	}
		1264
		1265	for ($path) {
		1266	redo if s{//}{/};
		1267	redo if s{/\.?/}{/};
		1268	redo if s{/[^/]+/\.\./}{/};
		1269	}
		1270
		1271	$path
		1272	}
		1273
		1274	sub new_from_path {
		1275	my (undef, $path, $base) = @_;
		1276
		1277	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1278
		1279	$path = normalise $path, $base;
		1280
		1281	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1282	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1283	my $self = bless cf::map::new, $pkg;
		1284	$self->{path} = $path; $self->path ($path);
		1285	$self->init; # pass $1 etc.
		1286	return $self;
		1287	}
		1288	}
		1289
		1290	Carp::carp "unable to resolve path '$path' (base '$base').";
		1291	()
		1292	}
		1293
		1294	sub init {
		1295	my ($self) = @_;
		1296
		1297	$self
		1298	}
		1299
		1300	sub as_string {
		1301	my ($self) = @_;
		1302
		1303	"$self->{path}"
		1304	}
		1305
		1306	# the displayed name, this is a one way mapping
		1307	sub visible_name {
		1308	&as_string
		1309	}
		1310
		1311	# the original (read-only) location
		1312	sub load_path {
		1313	my ($self) = @_;
		1314
		1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1316	}
		1317
		1318	# the temporary/swap location
		1319	sub save_path {
		1320	my ($self) = @_;
		1321
		1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1324	}
		1325
		1326	# the unique path, undef == no special unique path
		1327	sub uniq_path {
		1328	my ($self) = @_;
		1329
		1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1075	}	1332	}
1076		1333
1077	# and all this just because we cannot iterate over	1334	# and all this just because we cannot iterate over
1078	# all maps in C++...	1335	# all maps in C++...
1079	sub change_all_map_light {	1336	sub change_all_map_light {
1080	my ($change) = @_;	1337	my ($change) = @_;
1081		1338
1082	$_->change_map_light ($change) for values %cf::MAP;	1339	$_->change_map_light ($change)
		1340	for grep $_->outdoor, values %cf::MAP;
1083	}	1341	}
1084		1342
		1343	sub unlink_save {
		1344	my ($self) = @_;
		1345
		1346	utf8::encode (my $save = $self->save_path);
		1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1348	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1349	}
		1350
1085	sub try_load_header($) {	1351	sub load_header_from($) {
1086	my ($path) = @_;	1352	my ($self, $path) = @_;
1087		1353
1088	utf8::encode $path;	1354	utf8::encode $path;
1089	aio_open $path, O_RDONLY, 0	1355	#aio_open $path, O_RDONLY, 0
		1356	# or return;
		1357
		1358	$self->_load_header ($path)
1090	or return;	1359	or return;
1091		1360
1092	my $map = cf::map::new	1361	$self->{load_path} = $path;
		1362
		1363	1
		1364	}
		1365
		1366	sub load_header_orig {
		1367	my ($self) = @_;
		1368
		1369	$self->load_header_from ($self->load_path)
		1370	}
		1371
		1372	sub load_header_temp {
		1373	my ($self) = @_;
		1374
		1375	$self->load_header_from ($self->save_path)
		1376	}
		1377
		1378	sub prepare_temp {
		1379	my ($self) = @_;
		1380
		1381	$self->last_access ((delete $self->{last_access})
		1382	|| $cf::RUNTIME); #d#
		1383	# safety
		1384	$self->{instantiate_time} = $cf::RUNTIME
		1385	if $self->{instantiate_time} > $cf::RUNTIME;
		1386	}
		1387
		1388	sub prepare_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->{load_original} = 1;
		1392	$self->{instantiate_time} = $cf::RUNTIME;
		1393	$self->last_access ($cf::RUNTIME);
		1394	$self->instantiate;
		1395	}
		1396
		1397	sub load_header {
		1398	my ($self) = @_;
		1399
		1400	if ($self->load_header_temp) {
		1401	$self->prepare_temp;
		1402	} else {
		1403	$self->load_header_orig
1093	or return;	1404	or return;
		1405	$self->prepare_orig;
		1406	}
1094		1407
1095	$map->load_header ($path)	1408	1
1096	or return;
1097
1098	$map->{load_path} = $path;
1099
1100	$map
1101	}	1409	}
1102		1410
		1411	sub find;
1103	sub find_map {	1412	sub find {
1104	my ($path, $origin) = @_;	1413	my ($path, $origin) = @_;
1105		1414
1106	#warn "find_map<$path,$origin>\n";#d#
1107
1108	$path = new cf::path $path, $origin && $origin->path;	1415	$path = normalise $path, $origin && $origin->path;
1109	my $key = $path->as_string;
1110		1416
		1417	cf::lock_wait "map_find:$path";
		1418
1111	$cf::MAP{$key} || do {	1419	$cf::MAP{$path} || do {
1112	# do it the slow way	1420	my $guard = cf::lock_acquire "map_find:$path";
1113	my $map = try_load_header $path->save_path;	1421	my $map = new_from_path cf::map $path
1114
1115	if ($map) {
1116	# safety
1117	$map->{instantiate_time} = $cf::RUNTIME
1118	if $map->{instantiate_time} > $cf::RUNTIME;
1119	} else {
1120	if (my $rmp = $path->random_map_params) {
1121	$map = generate_random_map $key, $rmp;
1122	} else {
1123	$map = try_load_header $path->load_path;
1124	}
1125
1126	$map or return;	1422	or return;
1127		1423
1128	$map->{load_original} = 1;
1129	$map->{instantiate_time} = $cf::RUNTIME;
1130	$map->instantiate;
1131
1132	# per-player maps become, after loading, normal maps
1133	$map->per_player (0) if $path->{user_rel};
1134	}
1135
1136	$map->path ($key);
1137	$map->{path} = $path;
1138	$map->last_access ($cf::RUNTIME);	1424	$map->{last_save} = $cf::RUNTIME;
1139		1425
1140	if ($map->should_reset) {	1426	$map->load_header
		1427	or return;
		1428
		1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1430	# doing this can freeze the server in a sync job, obviously
		1431	#$cf::WAIT_FOR_TICK->wait;
1141	$map->reset;	1432	$map->reset;
1142	$map = find_map $path;	1433	undef $guard;
		1434	return find $path;
1143	}	1435	}
1144		1436
1145	$cf::MAP{$key} = $map	1437	$cf::MAP{$path} = $map
1146	}	1438	}
1147	}	1439	}
		1440
		1441	sub pre_load { }
		1442	sub post_load { }
1148		1443
1149	sub load {	1444	sub load {
1150	my ($self) = @_;	1445	my ($self) = @_;
1151		1446
		1447	local $self->{deny_reset} = 1; # loading can take a long time
		1448
		1449	my $path = $self->{path};
		1450	my $guard = cf::lock_acquire "map_load:$path";
		1451
1152	return if $self->in_memory != cf::MAP_SWAPPED;	1452	return if $self->in_memory != cf::MAP_SWAPPED;
1153		1453
1154	$self->in_memory (cf::MAP_LOADING);	1454	$self->in_memory (cf::MAP_LOADING);
1155		1455
1156	my $path = $self->{path};
1157
1158	$self->alloc;	1456	$self->alloc;
		1457
		1458	$self->pre_load;
		1459
1159	$self->load_objects ($self->{load_path}, 1)	1460	$self->_load_objects ($self->{load_path}, 1)
1160	or return;	1461	or return;
1161		1462
1162	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1163	if delete $self->{load_original};	1464	if delete $self->{load_original};
1164		1465
1165	if (my $uniq = $path->uniq_path) {	1466	if (my $uniq = $self->uniq_path) {
1166	utf8::encode $uniq;	1467	utf8::encode $uniq;
1167	if (aio_open $uniq, O_RDONLY, 0) {	1468	if (aio_open $uniq, O_RDONLY, 0) {
1168	$self->clear_unique_items;	1469	$self->clear_unique_items;
1169	$self->load_objects ($uniq, 0);	1470	$self->_load_objects ($uniq, 0);
1170	}	1471	}
1171	}	1472	}
		1473
		1474	Coro::cede;
1172		1475
1173	# now do the right thing for maps	1476	# now do the right thing for maps
1174	$self->link_multipart_objects;	1477	$self->link_multipart_objects;
1175		1478
1176	if ($self->{path}->is_style_map) {	1479	unless ($self->{deny_activate}) {
1177	$self->{deny_save} = 1;	1480	$self->decay_objects;
1178	$self->{deny_reset} = 1;
1179	} else {
1180	$self->fix_auto_apply;	1481	$self->fix_auto_apply;
1181	$self->decay_objects;
1182	$self->update_buttons;	1482	$self->update_buttons;
		1483	Coro::cede;
1183	$self->set_darkness_map;	1484	$self->set_darkness_map;
1184	$self->difficulty ($self->estimate_difficulty)	1485	$self->difficulty ($self->estimate_difficulty)
1185	unless $self->difficulty;	1486	unless $self->difficulty;
		1487	Coro::cede;
1186	$self->activate;	1488	$self->activate;
1187	}	1489	}
1188		1490
		1491	$self->post_load;
		1492
1189	$self->in_memory (cf::MAP_IN_MEMORY);	1493	$self->in_memory (cf::MAP_IN_MEMORY);
1190	}	1494	}
1191		1495
1192	sub load_map_sync {	1496	sub customise_for {
		1497	my ($self, $ob) = @_;
		1498
		1499	return find "~" . $ob->name . "/" . $self->{path}
		1500	if $self->per_player;
		1501
		1502	$self
		1503	}
		1504
		1505	# find and load all maps in the 3x3 area around a map
		1506	sub load_diag {
		1507	my ($map) = @_;
		1508
		1509	my @diag; # diagonal neighbours
		1510
		1511	for (0 .. 3) {
		1512	my $neigh = $map->tile_path ($_)
		1513	or next;
		1514	$neigh = find $neigh, $map
		1515	or next;
		1516	$neigh->load;
		1517
		1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1520	}
		1521
		1522	for (@diag) {
		1523	my $neigh = find @$_
		1524	or next;
		1525	$neigh->load;
		1526	}
		1527	}
		1528
		1529	sub find_sync {
1193	my ($path, $origin) = @_;	1530	my ($path, $origin) = @_;
1194		1531
1195	#warn "load_map_sync<$path, $origin>\n";#d#	1532	cf::sync_job { find $path, $origin }
		1533	}
1196		1534
1197	cf::sync_job {	1535	sub do_load_sync {
1198	my $map = cf::map::find_map $path, $origin	1536	my ($map) = @_;
1199	or return;	1537
		1538	cf::sync_job { $map->load };
		1539	}
		1540
		1541	our %MAP_PREFETCH;
		1542	our $MAP_PREFETCHER = undef;
		1543
		1544	sub find_async {
		1545	my ($path, $origin) = @_;
		1546
		1547	$path = normalise $path, $origin && $origin->{path};
		1548
		1549	if (my $map = $cf::MAP{$path}) {
		1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1551	}
		1552
		1553	undef $MAP_PREFETCH{$path};
		1554	$MAP_PREFETCHER ||= cf::async {
		1555	while (%MAP_PREFETCH) {
		1556	for my $path (keys %MAP_PREFETCH) {
		1557	my $map = find $path
		1558	or next;
1200	$map->load;	1559	$map->load;
1201	$map	1560
		1561	delete $MAP_PREFETCH{$path};
		1562	}
		1563	}
		1564	undef $MAP_PREFETCHER;
1202	}	1565	};
		1566	$MAP_PREFETCHER->prio (6);
		1567
		1568	()
1203	}	1569	}
1204		1570
1205	sub save {	1571	sub save {
1206	my ($self) = @_;	1572	my ($self) = @_;
1207		1573
1208	my $save = $self->{path}->save_path; utf8::encode $save;	1574	my $lock = cf::lock_acquire "map_data:" . $self->path;
1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1210		1575
1211	$self->{last_save} = $cf::RUNTIME;	1576	$self->{last_save} = $cf::RUNTIME;
1212		1577
1213	return unless $self->dirty;	1578	return unless $self->dirty;
1214		1579
		1580	my $save = $self->save_path; utf8::encode $save;
		1581	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1582
1215	$self->{load_path} = $save;	1583	$self->{load_path} = $save;
1216		1584
1217	return if $self->{deny_save};	1585	return if $self->{deny_save};
1218		1586
		1587	local $self->{last_access} = $self->last_access;#d#
		1588
		1589	cf::async {
		1590	$_->contr->save for $self->players;
		1591	};
		1592
1219	if ($uniq) {	1593	if ($uniq) {
1220	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1221	$self->save_objects ($uniq, cf::IO_UNIQUES);	1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1222	} else {	1596	} else {
1223	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1597	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1224	}	1598	}
1225	}	1599	}
1226		1600
1227	sub swap_out {	1601	sub swap_out {
1228	my ($self) = @_;	1602	my ($self) = @_;
		1603
		1604	# save first because save cedes
		1605	$self->save;
		1606
		1607	my $lock = cf::lock_acquire "map_data:" . $self->path;
1229		1608
1230	return if $self->players;	1609	return if $self->players;
1231	return if $self->in_memory != cf::MAP_IN_MEMORY;	1610	return if $self->in_memory != cf::MAP_IN_MEMORY;
1232	return if $self->{deny_save};	1611	return if $self->{deny_save};
1233		1612
1234	$self->save;
1235	$self->clear;	1613	$self->clear;
1236	$self->in_memory (cf::MAP_SWAPPED);	1614	$self->in_memory (cf::MAP_SWAPPED);
1237	}	1615	}
1238		1616
1239	sub reset_at {	1617	sub reset_at {
1240	my ($self) = @_;	1618	my ($self) = @_;
1241		1619
1242	# TODO: safety, remove and allow resettable per-player maps	1620	# TODO: safety, remove and allow resettable per-player maps
1243	return 1e100 if $self->{path}{user_rel};	1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1244	return 1e100 if $self->{deny_reset};	1622	return 1e99 if $self->{deny_reset};
1245		1623
1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1247	my $to = $self->reset_timeout || $DEFAULT_RESET;	1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1248	$to = $MAX_RESET if $to > $MAX_RESET;
1249		1626
1250	$time + $to	1627	$time + $to
1251	}	1628	}
1252		1629
1253	sub should_reset {	1630	sub should_reset {
1254	my ($self) = @_;	1631	my ($self) = @_;
1255		1632
1256	$self->reset_at <= $cf::RUNTIME	1633	$self->reset_at <= $cf::RUNTIME
1257	}	1634	}
1258		1635
1259	sub unlink_save {
1260	my ($self) = @_;
1261
1262	utf8::encode (my $save = $self->{path}->save_path);
1263	aioreq_pri 3; IO::AIO::aio_unlink $save;
1264	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1265	}
1266
1267	sub rename {
1268	my ($self, $new_path) = @_;
1269
1270	$self->unlink_save;
1271
1272	delete $cf::MAP{$self->path};
1273	$self->{path} = new cf::path $new_path;
1274	$self->path ($self->{path}->path);
1275	$cf::MAP{$self->path} = $self;
1276
1277	$self->save;
1278	}
1279
1280	sub reset {	1636	sub reset {
1281	my ($self) = @_;	1637	my ($self) = @_;
1282		1638
		1639	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1640
1283	return if $self->players;	1641	return if $self->players;
1284	return if $self->{path}{user_rel};#d#	1642	return if $self->isa ("ext::map_per_player");#d#
1285		1643
1286	warn "resetting map ", $self->path;#d#	1644	warn "resetting map ", $self->path;#d#
1287		1645
		1646	$self->in_memory (cf::MAP_SWAPPED);
		1647
		1648	# need to save uniques path
		1649	unless ($self->{deny_save}) {
		1650	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1651
		1652	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1653	if $uniq;
		1654	}
		1655
1288	delete $cf::MAP{$self->path};	1656	delete $cf::MAP{$self->path};
		1657
		1658	$self->clear;
1289		1659
1290	$_->clear_links_to ($self) for values %cf::MAP;	1660	$_->clear_links_to ($self) for values %cf::MAP;
1291		1661
1292	$self->unlink_save;	1662	$self->unlink_save;
1293	$self->destroy;	1663	$self->destroy;
1294	}	1664	}
1295		1665
1296	sub customise_for {	1666	my $nuke_counter = "aaaa";
1297	my ($map, $ob) = @_;
1298		1667
1299	if ($map->per_player) {	1668	sub nuke {
1300	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1669	my ($self) = @_;
1301	}
1302		1670
1303	$map	1671	delete $cf::MAP{$self->path};
1304	}
1305		1672
1306	sub emergency_save {	1673	$self->unlink_save;
1307	local $cf::FREEZE = 1;
1308		1674
1309	warn "enter emergency map save\n";	1675	bless $self, "cf::map";
		1676	delete $self->{deny_reset};
		1677	$self->{deny_save} = 1;
		1678	$self->reset_timeout (1);
		1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1310		1680
1311	cf::sync_job {	1681	$cf::MAP{$self->path} = $self;
1312	warn "begin emergency map save\n";	1682
1313	$_->save for values %cf::MAP;	1683	$self->reset; # polite request, might not happen
		1684	}
		1685
		1686	=item cf::map::unique_maps
		1687
		1688	Returns an arrayref of paths of all shared maps that have
		1689	instantiated unique items. May block.
		1690
		1691	=cut
		1692
		1693	sub unique_maps() {
		1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1695	or return;
		1696
		1697	my @paths;
		1698
		1699	for (@$files) {
		1700	utf8::decode $_;
		1701	next if /\.pst$/;
		1702	next unless /^$PATH_SEP/o;
		1703
		1704	push @paths, cf::map::normalise $_;
1314	};	1705	}
1315		1706
1316	warn "end emergency map save\n";	1707	\@paths
1317	}	1708	}
1318		1709
1319	package cf;	1710	package cf;
1320		1711
1321	=back	1712	=back
1322		1713
		1714	=head3 cf::object
		1715
		1716	=cut
		1717
		1718	package cf::object;
		1719
		1720	=over 4
		1721
		1722	=item $ob->inv_recursive
		1723
		1724	Returns the inventory of the object _and_ their inventories, recursively.
		1725
		1726	=cut
		1727
		1728	sub inv_recursive_;
		1729	sub inv_recursive_ {
		1730	map { $_, inv_recursive_ $_->inv } @_
		1731	}
		1732
		1733	sub inv_recursive {
		1734	inv_recursive_ inv $_[0]
		1735	}
		1736
		1737	package cf;
		1738
		1739	=back
1323		1740
1324	=head3 cf::object::player	1741	=head3 cf::object::player
1325		1742
1326	=over 4	1743	=over 4
1327		1744
…		…
1363	(ref $cf::CFG{"may_$access"}	1780	(ref $cf::CFG{"may_$access"}
1364	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1781	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1365	: $cf::CFG{"may_$access"})	1782	: $cf::CFG{"may_$access"})
1366	}	1783	}
1367		1784
		1785	=item $player_object->enter_link
		1786
		1787	Freezes the player and moves him/her to a special map (C<{link}>).
		1788
		1789	The player should be reasonably safe there for short amounts of time. You
		1790	I<MUST> call C<leave_link> as soon as possible, though.
		1791
		1792	Will never block.
		1793
		1794	=item $player_object->leave_link ($map, $x, $y)
		1795
		1796	Moves the player out of the special C<{link}> map onto the specified
		1797	map. If the map is not valid (or omitted), the player will be moved back
		1798	to the location he/she was before the call to C<enter_link>, or, if that
		1799	fails, to the emergency map position.
		1800
		1801	Might block.
		1802
		1803	=cut
		1804
		1805	sub link_map {
		1806	unless ($LINK_MAP) {
		1807	$LINK_MAP = cf::map::find "{link}"
		1808	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1809	$LINK_MAP->load;
		1810	}
		1811
		1812	$LINK_MAP
		1813	}
		1814
1368	sub cf::object::player::enter_link {	1815	sub cf::object::player::enter_link {
1369	my ($self) = @_;	1816	my ($self) = @_;
1370		1817
1371	return if $self->map == $LINK_MAP;	1818	$self->deactivate_recursive;
1372		1819
		1820	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1821
1373	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1374	if $self->map;	1823	if $self->map;
1375		1824
1376	$self->enter_map ($LINK_MAP, 20, 20);	1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1377	$self->deactivate_recursive;
1378	}	1826	}
1379		1827
1380	sub cf::object::player::leave_link {	1828	sub cf::object::player::leave_link {
1381	my ($self, $map, $x, $y) = @_;	1829	my ($self, $map, $x, $y) = @_;
1382		1830
1383	my $link_pos = delete $self->{_link_pos};	1831	my $link_pos = delete $self->{_link_pos};
1384		1832
1385	unless ($map) {	1833	unless ($map) {
1386	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1387
1388	# restore original map position	1834	# restore original map position
1389	($map, $x, $y) = @{ $link_pos || [] };	1835	($map, $x, $y) = @{ $link_pos || [] };
1390	$map = cf::map::find_map $map;	1836	$map = cf::map::find $map;
1391		1837
1392	unless ($map) {	1838	unless ($map) {
1393	($map, $x, $y) = @$EMERGENCY_POSITION;	1839	($map, $x, $y) = @$EMERGENCY_POSITION;
1394	$map = cf::map::find_map $map	1840	$map = cf::map::find $map
1395	or die "FATAL: cannot load emergency map\n";	1841	or die "FATAL: cannot load emergency map\n";
1396	}	1842	}
1397	}	1843	}
1398		1844
1399	($x, $y) = (-1, -1)	1845	($x, $y) = (-1, -1)
…		…
1402	# use -1 or undef as default coordinates, not 0, 0	1848	# use -1 or undef as default coordinates, not 0, 0
1403	($x, $y) = ($map->enter_x, $map->enter_y)	1849	($x, $y) = ($map->enter_x, $map->enter_y)
1404	if $x <=0 && $y <= 0;	1850	if $x <=0 && $y <= 0;
1405		1851
1406	$map->load;	1852	$map->load;
		1853	$map->load_diag;
1407		1854
		1855	return unless $self->contr->active;
1408	$self->activate_recursive;	1856	$self->activate_recursive;
		1857
		1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1409	$self->enter_map ($map, $x, $y);	1859	$self->enter_map ($map, $x, $y);
1410	}	1860	}
1411		1861
		1862	cf::player->attach (
		1863	on_logout => sub {
		1864	my ($pl) = @_;
		1865
		1866	# abort map switching before logout
		1867	if ($pl->ob->{_link_pos}) {
		1868	cf::sync_job {
		1869	$pl->ob->leave_link
		1870	};
		1871	}
		1872	},
		1873	on_login => sub {
		1874	my ($pl) = @_;
		1875
		1876	# try to abort aborted map switching on player login :)
		1877	# should happen only on crashes
		1878	if ($pl->ob->{_link_pos}) {
		1879	$pl->ob->enter_link;
		1880	(async {
		1881	$pl->ob->reply (undef,
		1882	"There was an internal problem at your last logout, "
		1883	. "the server will try to bring you to your intended destination in a second.",
		1884	cf::NDI_RED);
		1885	# we need this sleep as the login has a concurrent enter_exit running
		1886	# and this sleep increases chances of the player not ending up in scorn
		1887	Coro::Timer::sleep 1;
		1888	$pl->ob->leave_link;
		1889	})->prio (2);
		1890	}
		1891	},
		1892	);
		1893
1412	=item $player_object->goto_map ($map, $x, $y)	1894	=item $player_object->goto ($path, $x, $y)
1413		1895
1414	=cut	1896	=cut
1415		1897
1416	sub cf::object::player::goto_map {	1898	sub cf::object::player::goto {
1417	my ($self, $path, $x, $y) = @_;	1899	my ($self, $path, $x, $y) = @_;
1418		1900
1419	$self->enter_link;	1901	$self->enter_link;
1420		1902
1421	(Coro::async {	1903	(async {
1422	$path = new cf::path $path;	1904	my $map = eval {
1423
1424	my $map = cf::map::find_map $path->as_string;	1905	my $map = cf::map::find $path;
1425	$map = $map->customise_for ($self) if $map;	1906	$map = $map->customise_for ($self) if $map;
1426
1427	warn "entering ", $map->path, " at ($x, $y)\n"
1428	if $map;	1907	$map
		1908	} or
		1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1429		1910
1430	$self->leave_link ($map, $x, $y);	1911	$self->leave_link ($map, $x, $y);
1431	})->prio (1);	1912	})->prio (1);
1432	}	1913	}
1433		1914
…		…
1437		1918
1438	sub parse_random_map_params {	1919	sub parse_random_map_params {
1439	my ($spec) = @_;	1920	my ($spec) = @_;
1440		1921
1441	my $rmp = { # defaults	1922	my $rmp = { # defaults
1442	xsize => 10,	1923	xsize => (cf::rndm 15, 40),
1443	ysize => 10,	1924	ysize => (cf::rndm 15, 40),
		1925	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1926	#layout => string,
1444	};	1927	};
1445		1928
1446	for (split /\n/, $spec) {	1929	for (split /\n/, $spec) {
1447	my ($k, $v) = split /\s+/, $_, 2;	1930	my ($k, $v) = split /\s+/, $_, 2;
1448		1931
…		…
1452	$rmp	1935	$rmp
1453	}	1936	}
1454		1937
1455	sub prepare_random_map {	1938	sub prepare_random_map {
1456	my ($exit) = @_;	1939	my ($exit) = @_;
		1940
		1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1457		1942
1458	# all this does is basically replace the /! path by	1943	# all this does is basically replace the /! path by
1459	# a new random map path (?random/...) with a seed	1944	# a new random map path (?random/...) with a seed
1460	# that depends on the exit object	1945	# that depends on the exit object
1461		1946
1462	my $rmp = parse_random_map_params $exit->msg;	1947	my $rmp = parse_random_map_params $exit->msg;
1463		1948
1464	if ($exit->map) {	1949	if ($exit->map) {
1465	$rmp->{region} = $exit->map->region_name;	1950	$rmp->{region} = $exit->region->name;
1466	$rmp->{origin_map} = $exit->map->path;	1951	$rmp->{origin_map} = $exit->map->path;
1467	$rmp->{origin_x} = $exit->x;	1952	$rmp->{origin_x} = $exit->x;
1468	$rmp->{origin_y} = $exit->y;	1953	$rmp->{origin_y} = $exit->y;
1469	}	1954	}
1470		1955
1471	$rmp->{random_seed} ||= $exit->random_seed;	1956	$rmp->{random_seed} ||= $exit->random_seed;
1472		1957
1473	my $data = cf::to_json $rmp;	1958	my $data = cf::to_json $rmp;
1474	my $md5 = Digest::MD5::md5_hex $data;	1959	my $md5 = Digest::MD5::md5_hex $data;
		1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1475		1961
1476	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1477	aio_write $fh, 0, (length $data), $data, 0;	1963	aio_write $fh, 0, (length $data), $data, 0;
		1964	undef $fh;
		1965	aio_rename "$meta~", $meta;
1478		1966
1479	$exit->slaying ("?random/$md5");	1967	$exit->slaying ("?random/$md5");
1480	$exit->msg (undef);	1968	$exit->msg (undef);
1481	}	1969	}
1482	}	1970	}
…		…
1484	sub cf::object::player::enter_exit {	1972	sub cf::object::player::enter_exit {
1485	my ($self, $exit) = @_;	1973	my ($self, $exit) = @_;
1486		1974
1487	return unless $self->type == cf::PLAYER;	1975	return unless $self->type == cf::PLAYER;
1488		1976
		1977	if ($exit->slaying eq "/!") {
		1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1979	# the problem is that $exit might not survive long enough
		1980	# so it needs to be done right now, right here
		1981	cf::sync_job { prepare_random_map $exit };
		1982	}
		1983
		1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1985	my $hp = $exit->stats->hp;
		1986	my $sp = $exit->stats->sp;
		1987
1489	$self->enter_link;	1988	$self->enter_link;
1490		1989
1491	(Coro::async {	1990	(async {
		1991	$self->deactivate_recursive; # just to be sure
1492	unless (eval {	1992	unless (eval {
1493		1993	$self->goto ($slaying, $hp, $sp);
1494	prepare_random_map $exit
1495	if $exit->slaying eq "/!";
1496
1497	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1498	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1499		1994
1500	1;	1995	1;
1501	}) {	1996	}) {
1502	$self->message ("Something went wrong deep within the crossfire server. "	1997	$self->message ("Something went wrong deep within the crossfire server. "
1503	. "I'll try to bring you back to the map you were before. "	1998	. "I'll try to bring you back to the map you were before. "
1504	. "Please report this to the dungeon master",	1999	. "Please report this to the dungeon master!",
1505	cf::NDI_UNIQUE | cf::NDI_RED);	2000	cf::NDI_UNIQUE | cf::NDI_RED);
1506		2001
1507	warn "ERROR in enter_exit: $@";	2002	warn "ERROR in enter_exit: $@";
1508	$self->leave_link;	2003	$self->leave_link;
1509	}	2004	}
1510	})->prio (1);	2005	})->prio (1);
…		…
1523		2018
1524	sub cf::client::send_drawinfo {	2019	sub cf::client::send_drawinfo {
1525	my ($self, $text, $flags) = @_;	2020	my ($self, $text, $flags) = @_;
1526		2021
1527	utf8::encode $text;	2022	utf8::encode $text;
1528	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1529	}	2024	}
1530		2025
		2026	=item $client->ext_event ($type, %msg)
		2027
		2028	Sends an exti event to the client.
		2029
		2030	=cut
		2031
		2032	sub cf::client::ext_event($$%) {
		2033	my ($self, $type, %msg) = @_;
		2034
		2035	$msg{msgtype} = "event_$type";
		2036	$self->send_packet ("ext " . cf::to_json \%msg);
		2037	}
1531		2038
1532	=item $success = $client->query ($flags, "text", \&cb)	2039	=item $success = $client->query ($flags, "text", \&cb)
1533		2040
1534	Queues a query to the client, calling the given callback with	2041	Queues a query to the client, calling the given callback with
1535	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1560	on_reply => sub {	2067	on_reply => sub {
1561	my ($ns, $msg) = @_;	2068	my ($ns, $msg) = @_;
1562		2069
1563	# this weird shuffling is so that direct followup queries	2070	# this weird shuffling is so that direct followup queries
1564	# get handled first	2071	# get handled first
1565	my $queue = delete $ns->{query_queue};	2072	my $queue = delete $ns->{query_queue}
		2073	or return; # be conservative, not sure how that can happen, but we saw a crash here
1566		2074
1567	(shift @$queue)->[1]->($msg);	2075	(shift @$queue)->[1]->($msg);
		2076	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1568		2077
1569	push @{ $ns->{query_queue} }, @$queue;	2078	push @{ $ns->{query_queue} }, @$queue;
1570		2079
1571	if (@{ $ns->{query_queue} } == @$queue) {	2080	if (@{ $ns->{query_queue} } == @$queue) {
1572	if (@$queue) {	2081	if (@$queue) {
…		…
1576	}	2085	}
1577	}	2086	}
1578	},	2087	},
1579	);	2088	);
1580		2089
1581	=item $client->coro (\&cb)	2090	=item $client->async (\&cb)
1582		2091
1583	Create a new coroutine, running the specified callback. The coroutine will	2092	Create a new coroutine, running the specified callback. The coroutine will
1584	be automatically cancelled when the client gets destroyed (e.g. on logout,	2093	be automatically cancelled when the client gets destroyed (e.g. on logout,
1585	or loss of connection).	2094	or loss of connection).
1586		2095
1587	=cut	2096	=cut
1588		2097
1589	sub cf::client::coro {	2098	sub cf::client::async {
1590	my ($self, $cb) = @_;	2099	my ($self, $cb) = @_;
1591		2100
1592	my $coro; $coro = async {	2101	my $coro = &Coro::async ($cb);
1593	eval {
1594	$cb->();
1595	};
1596	warn $@ if $@;
1597	};
1598		2102
1599	$coro->on_destroy (sub {	2103	$coro->on_destroy (sub {
1600	delete $self->{_coro}{$coro+0};	2104	delete $self->{_coro}{$coro+0};
1601	});	2105	});
1602		2106
…		…
1635		2139
1636	# here we export the classes and methods available to script code	2140	# here we export the classes and methods available to script code
1637		2141
1638	=pod	2142	=pod
1639		2143
1640	The following fucntions and emthods are available within a safe environment:	2144	The following functions and methods are available within a safe environment:
1641		2145
1642	cf::object contr pay_amount pay_player map	2146	cf::object contr pay_amount pay_player map
1643	cf::object::player player	2147	cf::object::player player
1644	cf::player peaceful	2148	cf::player peaceful
1645	cf::map trigger	2149	cf::map trigger
…		…
1738	The parameter C<$family> should best start with the name of the extension	2242	The parameter C<$family> should best start with the name of the extension
1739	using it, it should be unique.	2243	using it, it should be unique.
1740		2244
1741	=over 4	2245	=over 4
1742		2246
1743	=item $hashref = cf::db_get $family
1744
1745	Return a hashref for use by the extension C<$family>, which can be
1746	modified. After modifications, you have to call C<cf::db_dirty> or
1747	C<cf::db_sync>.
1748
1749	=item $value = cf::db_get $family => $key	2247	=item $value = cf::db_get $family => $key
1750		2248
1751	Returns a single value from the database	2249	Returns a single value from the database.
1752
1753	=item cf::db_put $family => $hashref
1754
1755	Stores the given family hashref into the database. Updates are delayed, if
1756	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1757		2250
1758	=item cf::db_put $family => $key => $value	2251	=item cf::db_put $family => $key => $value
1759		2252
1760	Stores the given C<$value> in the family hash. Updates are delayed, if you	2253	Stores the given C<$value> in the family.
1761	want the data to be synced to disk immediately, use C<cf::db_sync>.
1762
1763	=item cf::db_dirty
1764
1765	Marks the database as dirty, to be updated at a later time.
1766
1767	=item cf::db_sync
1768
1769	Immediately write the database to disk I<if it is dirty>.
1770		2254
1771	=cut	2255	=cut
1772		2256
1773	our $DB;	2257	our $DB;
1774		2258
1775	{	2259	sub db_init {
		2260	unless ($DB) {
		2261	$DB = BDB::db_create $DB_ENV;
		2262
		2263	cf::sync_job {
		2264	eval {
		2265	$DB->set_flags (BDB::CHKSUM);
		2266
		2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2269	cf::cleanup "db_open(db): $!" if $!;
		2270	};
		2271	cf::cleanup "db_open(db): $@" if $@;
		2272	};
		2273
1776	my $path = cf::localdir . "/database.pst";	2274	my $path = cf::localdir . "/database.pst";
		2275	if (stat $path) {
		2276	cf::sync_job {
		2277	my $pst = Storable::retrieve $path;
1777		2278
1778	sub db_load() {	2279	cf::db_put (board => data => $pst->{board});
1779	warn "loading database $path\n";#d# remove later	2280	cf::db_put (guildrules => data => $pst->{guildrules});
1780	$DB = stat $path ? Storable::retrieve $path : { };	2281	cf::db_put (rent => balance => $pst->{rent}{balance});
1781	}	2282	BDB::db_env_txn_checkpoint $DB_ENV;
1782		2283
1783	my $pid;	2284	unlink $path;
1784
1785	sub db_save() {
1786	warn "saving database $path\n";#d# remove later
1787	waitpid $pid, 0 if $pid;
1788	if (0 == ($pid = fork)) {
1789	$DB->{_meta}{version} = 1;
1790	Storable::nstore $DB, "$path~";
1791	rename "$path~", $path;
1792	cf::_exit 0 if defined $pid;
1793	}	2285	};
1794	}
1795
1796	my $dirty;
1797
1798	sub db_sync() {
1799	db_save if $dirty;
1800	undef $dirty;
1801	}
1802
1803	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1804	db_sync;
1805	});
1806
1807	sub db_dirty() {
1808	$dirty = 1;
1809	$idle->start;
1810	}
1811
1812	sub db_get($;$) {
1813	@_ >= 2
1814	? $DB->{$_[0]}{$_[1]}
1815	: ($DB->{$_[0]} ||= { })
1816	}
1817
1818	sub db_put($$;$) {
1819	if (@_ >= 3) {
1820	$DB->{$_[0]}{$_[1]} = $_[2];
1821	} else {
1822	$DB->{$_[0]} = $_[1];
1823	}
1824	db_dirty;
1825	}
1826
1827	cf::global->attach (
1828	prio => 10000,
1829	on_cleanup => sub {
1830	db_sync;
1831	},	2286	}
1832	);	2287	}
		2288	}
		2289
		2290	sub db_get($$) {
		2291	my $key = "$_[0]/$_[1]";
		2292
		2293	cf::sync_job {
		2294	BDB::db_get $DB, undef, $key, my $data;
		2295
		2296	$! ? ()
		2297	: Compress::LZF::sthaw $data
		2298	}
		2299	}
		2300
		2301	sub db_put($$$) {
		2302	BDB::dbreq_pri 4;
		2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1833	}	2304	}
1834		2305
1835	#############################################################################	2306	#############################################################################
1836	# the server's main()	2307	# the server's init and main functions
		2308
		2309	sub load_facedata {
		2310	my $path = sprintf "%s/facedata", cf::datadir;
		2311
		2312	warn "loading facedata from $path\n";
		2313
		2314	my $facedata;
		2315	0 < aio_load $path, $facedata
		2316	or die "$path: $!";
		2317
		2318	$facedata = Coro::Storable::thaw $facedata;
		2319
		2320	$facedata->{version} == 2
		2321	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2322
		2323	{
		2324	my $faces = $facedata->{faceinfo};
		2325
		2326	while (my ($face, $info) = each %$faces) {
		2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2331	Coro::cede;
		2332	}
		2333
		2334	while (my ($face, $info) = each %$faces) {
		2335	next unless $info->{smooth};
		2336	my $idx = cf::face::find $face
		2337	or next;
		2338	if (my $smooth = cf::face::find $info->{smooth}) {
		2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2340	} else {
		2341	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2342	}
		2343	Coro::cede;
		2344	}
		2345	}
		2346
		2347	{
		2348	my $anims = $facedata->{animinfo};
		2349
		2350	while (my ($anim, $info) = each %$anims) {
		2351	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2352	Coro::cede;
		2353	}
		2354
		2355	cf::anim::invalidate_all; # d'oh
		2356	}
		2357
		2358	1
		2359	}
		2360
		2361	sub reload_resources {
		2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2363	or die "unable to load regions file\n";#d#
		2364	load_facedata
		2365	or die "unable to load facedata\n";#d#
		2366	}
		2367
		2368	sub init {
		2369	reload_resources;
		2370	}
1837		2371
1838	sub cfg_load {	2372	sub cfg_load {
1839	open my $fh, "<:utf8", cf::confdir . "/config"	2373	open my $fh, "<:utf8", cf::confdir . "/config"
1840	or return;	2374	or return;
1841		2375
1842	local $/;	2376	local $/;
1843	*CFG = YAML::Syck::Load <$fh>;	2377	*CFG = YAML::Syck::Load <$fh>;
		2378
		2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2380
		2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2383
		2384	if (exists $CFG{mlockall}) {
		2385	eval {
		2386	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2387	and die "WARNING: m(un)lockall failed: $!\n";
		2388	};
		2389	warn $@ if $@;
		2390	}
1844	}	2391	}
1845		2392
1846	sub main {	2393	sub main {
1847	# we must not ever block the main coroutine	2394	# we must not ever block the main coroutine
1848	local $Coro::idle = sub {	2395	local $Coro::idle = sub {
1849	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1850	(Coro::unblock_sub {	2397	(async {
1851	Event::one_event;	2398	Event::one_event;
1852	})->();	2399	})->prio (Coro::PRIO_MAX);
1853	};	2400	};
1854		2401
1855	cfg_load;	2402	cfg_load;
1856	db_load;	2403	db_init;
1857	load_extensions;	2404	load_extensions;
		2405
		2406	$TICK_WATCHER->start;
1858	Event::loop;	2407	Event::loop;
1859	}	2408	}
1860		2409
1861	#############################################################################	2410	#############################################################################
1862	# initialisation	2411	# initialisation and cleanup
		2412
		2413	# install some emergency cleanup handlers
		2414	BEGIN {
		2415	for my $signal (qw(INT HUP TERM)) {
		2416	Event->signal (
		2417	reentrant => 0,
		2418	data => WF_AUTOCANCEL,
		2419	signal => $signal,
		2420	prio => 0,
		2421	cb => sub {
		2422	cf::cleanup "SIG$signal";
		2423	},
		2424	);
		2425	}
		2426	}
		2427
		2428	sub emergency_save() {
		2429	my $freeze_guard = cf::freeze_mainloop;
		2430
		2431	warn "enter emergency perl save\n";
		2432
		2433	cf::sync_job {
		2434	# use a peculiar iteration method to avoid tripping on perl
		2435	# refcount bugs in for. also avoids problems with players
		2436	# and maps saved/destroyed asynchronously.
		2437	warn "begin emergency player save\n";
		2438	for my $login (keys %cf::PLAYER) {
		2439	my $pl = $cf::PLAYER{$login} or next;
		2440	$pl->valid or next;
		2441	$pl->save;
		2442	}
		2443	warn "end emergency player save\n";
		2444
		2445	warn "begin emergency map save\n";
		2446	for my $path (keys %cf::MAP) {
		2447	my $map = $cf::MAP{$path} or next;
		2448	$map->valid or next;
		2449	$map->save;
		2450	}
		2451	warn "end emergency map save\n";
		2452
		2453	warn "begin emergency database checkpoint\n";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455	warn "end emergency database checkpoint\n";
		2456	};
		2457
		2458	warn "leave emergency perl save\n";
		2459	}
		2460
		2461	sub post_cleanup {
		2462	my ($make_core) = @_;
		2463
		2464	warn Carp::longmess "post_cleanup backtrace"
		2465	if $make_core;
		2466	}
1863		2467
1864	sub reload() {	2468	sub reload() {
1865	# can/must only be called in main	2469	# can/must only be called in main
1866	if ($Coro::current != $Coro::main) {	2470	if ($Coro::current != $Coro::main) {
1867	warn "can only reload from main coroutine\n";	2471	warn "can only reload from main coroutine";
1868	return;	2472	return;
1869	}	2473	}
1870		2474
1871	warn "reloading...";	2475	warn "reloading...";
1872		2476
1873	local $FREEZE = 1;	2477	warn "entering sync_job";
		2478
		2479	cf::sync_job {
		2480	cf::write_runtime; # external watchdog should not bark
1874	cf::emergency_save;	2481	cf::emergency_save;
		2482	cf::write_runtime; # external watchdog should not bark
1875		2483
1876	eval {	2484	warn "syncing database to disk";
		2485	BDB::db_env_txn_checkpoint $DB_ENV;
		2486
1877	# if anything goes wrong in here, we should simply crash as we already saved	2487	# if anything goes wrong in here, we should simply crash as we already saved
1878		2488
1879	# cancel all watchers	2489	warn "cancelling all WF_AUTOCANCEL watchers";
1880	for (Event::all_watchers) {	2490	for (Event::all_watchers) {
1881	$_->cancel if $_->data & WF_AUTOCANCEL;	2491	$_->cancel if $_->data & WF_AUTOCANCEL;
1882	}	2492	}
1883		2493
		2494	warn "flushing outstanding aio requests";
		2495	for (;;) {
		2496	BDB::flush;
		2497	IO::AIO::flush;
		2498	Coro::cede;
		2499	last unless IO::AIO::nreqs || BDB::nreqs;
		2500	warn "iterate...";
		2501	}
		2502
		2503	++$RELOAD;
		2504
1884	# cancel all extension coros	2505	warn "cancelling all extension coros";
1885	$_->cancel for values %EXT_CORO;	2506	$_->cancel for values %EXT_CORO;
1886	%EXT_CORO = ();	2507	%EXT_CORO = ();
1887		2508
1888	# unload all extensions	2509	warn "removing commands";
1889	for (@exts) {	2510	%COMMAND = ();
		2511
		2512	warn "removing ext commands";
		2513	%EXTCMD = ();
		2514
		2515	warn "unloading/nuking all extensions";
		2516	for my $pkg (@EXTS) {
1890	warn "unloading <$_>";	2517	warn "... unloading $pkg";
1891	unload_extension $_;	2518
		2519	if (my $cb = $pkg->can ("unload")) {
		2520	eval {
		2521	$cb->($pkg);
		2522	1
		2523	} or warn "$pkg unloaded, but with errors: $@";
1892	}	2524	}
1893		2525
		2526	warn "... nuking $pkg";
		2527	Symbol::delete_package $pkg;
		2528	}
		2529
1894	# unload all modules loaded from $LIBDIR	2530	warn "unloading all perl modules loaded from $LIBDIR";
1895	while (my ($k, $v) = each %INC) {	2531	while (my ($k, $v) = each %INC) {
1896	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1897		2533
1898	warn "removing <$k>";	2534	warn "... unloading $k";
1899	delete $INC{$k};	2535	delete $INC{$k};
1900		2536
1901	$k =~ s/\.pm$//;	2537	$k =~ s/\.pm$//;
1902	$k =~ s/\//::/g;	2538	$k =~ s/\//::/g;
1903		2539
…		…
1906	}	2542	}
1907		2543
1908	Symbol::delete_package $k;	2544	Symbol::delete_package $k;
1909	}	2545	}
1910		2546
1911	# sync database to disk
1912	cf::db_sync;
1913	IO::AIO::flush;
1914
1915	# get rid of safe::, as good as possible	2547	warn "getting rid of safe::, as good as possible";
1916	Symbol::delete_package "safe::$_"	2548	Symbol::delete_package "safe::$_"
1917	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1918		2550
1919	# remove register_script_function callbacks
1920	# TODO
1921
1922	# unload cf.pm "a bit"	2551	warn "unloading cf.pm \"a bit\"";
1923	delete $INC{"cf.pm"};	2552	delete $INC{"cf.pm"};
1924		2553
1925	# don't, removes xs symbols, too,	2554	# don't, removes xs symbols, too,
1926	# and global variables created in xs	2555	# and global variables created in xs
1927	#Symbol::delete_package __PACKAGE__;	2556	#Symbol::delete_package __PACKAGE__;
1928		2557
1929	# reload cf.pm	2558	warn "unload completed, starting to reload now";
		2559
1930	warn "reloading cf.pm";	2560	warn "reloading cf.pm";
1931	require cf;	2561	require cf;
1932	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1933		2563
1934	# load config and database again	2564	warn "loading config and database again";
1935	cf::cfg_load;	2565	cf::cfg_load;
1936	cf::db_load;
1937		2566
1938	# load extensions
1939	warn "load extensions";	2567	warn "loading extensions";
1940	cf::load_extensions;	2568	cf::load_extensions;
1941		2569
1942	# reattach attachments to objects	2570	warn "reattaching attachments to objects/players";
1943	warn "reattach";	2571	_global_reattach; # objects, sockets
1944	_global_reattach;	2572	warn "reattaching attachments to maps";
1945	};	2573	reattach $_ for values %MAP;
		2574	warn "reattaching attachments to players";
		2575	reattach $_ for values %PLAYER;
1946		2576
1947	if ($@) {	2577	warn "loading reloadable resources";
		2578	reload_resources;
		2579
		2580	warn "leaving sync_job";
		2581
		2582	1
		2583	} or do {
1948	warn $@;	2584	warn $@;
1949	warn "error while reloading, exiting.";	2585	warn "error while reloading, exiting.";
1950	exit 1;	2586	exit 1;
1951	}	2587	};
1952		2588
1953	warn "reloaded successfully";	2589	warn "reloaded";
1954	};	2590	};
1955		2591
1956	#############################################################################	2592	our $RELOAD_WATCHER; # used only during reload
1957
1958	unless ($LINK_MAP) {
1959	$LINK_MAP = cf::map::new;
1960
1961	$LINK_MAP->width (41);
1962	$LINK_MAP->height (41);
1963	$LINK_MAP->alloc;
1964	$LINK_MAP->path ("{link}");
1965	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1966	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1967
1968	# dirty hack because... archetypes are not yet loaded
1969	Event->timer (
1970	after => 2,
1971	cb => sub {
1972	$_[0]->w->cancel;
1973
1974	# provide some exits "home"
1975	my $exit = cf::object::new "exit";
1976
1977	$exit->slaying ($EMERGENCY_POSITION->[0]);
1978	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1979	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1980
1981	$LINK_MAP->insert ($exit->clone, 19, 19);
1982	$LINK_MAP->insert ($exit->clone, 19, 20);
1983	$LINK_MAP->insert ($exit->clone, 19, 21);
1984	$LINK_MAP->insert ($exit->clone, 20, 19);
1985	$LINK_MAP->insert ($exit->clone, 20, 21);
1986	$LINK_MAP->insert ($exit->clone, 21, 19);
1987	$LINK_MAP->insert ($exit->clone, 21, 20);
1988	$LINK_MAP->insert ($exit->clone, 21, 21);
1989
1990	$exit->destroy;
1991	});
1992
1993	$LINK_MAP->{deny_save} = 1;
1994	$LINK_MAP->{deny_reset} = 1;
1995
1996	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1997	}
1998
1999	register "<global>", __PACKAGE__;
2000		2593
2001	register_command "reload" => sub {	2594	register_command "reload" => sub {
2002	my ($who, $arg) = @_;	2595	my ($who, $arg) = @_;
2003		2596
2004	if ($who->flag (FLAG_WIZ)) {	2597	if ($who->flag (FLAG_WIZ)) {
2005	$who->message ("start of reload.");	2598	$who->message ("reloading server.");
		2599
		2600	# doing reload synchronously and two reloads happen back-to-back,
		2601	# coro crashes during coro_state_free->destroy here.
		2602
		2603	$RELOAD_WATCHER ||= Event->timer (
		2604	reentrant => 0,
		2605	after => 0,
		2606	data => WF_AUTOCANCEL,
		2607	cb => sub {
2006	reload;	2608	reload;
2007	$who->message ("end of reload.");	2609	undef $RELOAD_WATCHER;
		2610	},
		2611	);
2008	}	2612	}
2009	};	2613	};
2010		2614
2011	unshift @INC, $LIBDIR;	2615	unshift @INC, $LIBDIR;
		2616
		2617	my $bug_warning = 0;
2012		2618
2013	$TICK_WATCHER = Event->timer (	2619	$TICK_WATCHER = Event->timer (
2014	reentrant => 0,	2620	reentrant => 0,
		2621	parked => 1,
2015	prio => 0,	2622	prio => 0,
2016	at => $NEXT_TICK || $TICK,	2623	at => $NEXT_TICK || $TICK,
2017	data => WF_AUTOCANCEL,	2624	data => WF_AUTOCANCEL,
2018	cb => sub {	2625	cb => sub {
2019	unless ($FREEZE) {	2626	if ($Coro::current != $Coro::main) {
		2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2628	unless ++$bug_warning > 10;
		2629	return;
		2630	}
		2631
		2632	$NOW = Event::time;
		2633
2020	cf::server_tick; # one server iteration	2634	cf::server_tick; # one server iteration
2021	$RUNTIME += $TICK;	2635	$RUNTIME += $TICK;
2022	}
2023
2024	$NEXT_TICK += $TICK;	2636	$NEXT_TICK += $TICK;
		2637
		2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2639	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2640	Coro::async_pool {
		2641	write_runtime
		2642	or warn "ERROR: unable to write runtime file: $!";
		2643	};
		2644	}
		2645
		2646	$WAIT_FOR_TICK->broadcast;
		2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2648
		2649	# my $AFTER = Event::time;
		2650	# warn $AFTER - $NOW;#d#
2025		2651
2026	# if we are delayed by four ticks or more, skip them all	2652	# if we are delayed by four ticks or more, skip them all
2027	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2028		2654
2029	$TICK_WATCHER->at ($NEXT_TICK);	2655	$TICK_WATCHER->at ($NEXT_TICK);
2030	$TICK_WATCHER->start;	2656	$TICK_WATCHER->start;
2031	},	2657	},
2032	);	2658	);
2033		2659
		2660	{
2034	IO::AIO::max_poll_time $TICK * 0.2;	2661	BDB::max_poll_time $TICK * 0.1;
2035		2662	$BDB_POLL_WATCHER = Event->io (
2036	Event->io (	2663	reentrant => 0,
2037	fd => IO::AIO::poll_fileno,	2664	fd => BDB::poll_fileno,
2038	poll => 'r',	2665	poll => 'r',
2039	prio => 5,	2666	prio => 0,
2040	data => WF_AUTOCANCEL,
2041	cb => \&IO::AIO::poll_cb,
2042	);
2043
2044	Event->timer (
2045	data => WF_AUTOCANCEL,	2667	data => WF_AUTOCANCEL,
2046	after => 0,	2668	cb => \&BDB::poll_cb,
2047	interval => 10,	2669	);
2048	cb => sub {	2670	BDB::min_parallel 8;
2049	(Coro::unblock_sub {	2671
2050	write_runtime	2672	BDB::set_sync_prepare {
2051	or warn "ERROR: unable to write runtime file: $!";	2673	my $status;
		2674	my $current = $Coro::current;
		2675	(
		2676	sub {
		2677	$status = $!;
		2678	$current->ready; undef $current;
		2679	},
		2680	sub {
		2681	Coro::schedule while defined $current;
		2682	$! = $status;
		2683	},
		2684	)
		2685	};
		2686
		2687	unless ($DB_ENV) {
		2688	$DB_ENV = BDB::db_env_create;
		2689
		2690	cf::sync_job {
		2691	eval {
		2692	BDB::db_env_open
		2693	$DB_ENV,
		2694	$BDB_ENV_DIR,
		2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2697	0666;
		2698
		2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2700
		2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2702	$DB_ENV->set_lk_detect;
		2703	};
		2704
		2705	cf::cleanup "db_env_open(db): $@" if $@;
2052	})->();	2706	};
2053	},	2707	}
2054	);	2708	}
		2709
		2710	{
		2711	IO::AIO::min_parallel 8;
		2712
		2713	undef $Coro::AIO::WATCHER;
		2714	IO::AIO::max_poll_time $TICK * 0.1;
		2715	$AIO_POLL_WATCHER = Event->io (
		2716	reentrant => 0,
		2717	data => WF_AUTOCANCEL,
		2718	fd => IO::AIO::poll_fileno,
		2719	poll => 'r',
		2720	prio => 6,
		2721	cb => \&IO::AIO::poll_cb,
		2722	);
		2723	}
		2724
		2725	END { cf::emergency_save }
2055		2726
2056	1	2727	1
2057		2728

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