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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.137 by root, Fri Jan 5 10:23:05 2007 UTC vs.
Revision 1.235 by root, Tue Apr 10 09:35:23 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	26	use YAML::Syck ();
		27	use IO::AIO 2.32 ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
27		37
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
30		40
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		42
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	our %COMMAND = ();	45	our %COMMAND = ();
36	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
38		52
		53	our $RELOAD; # number of reloads so far
39	our @EVENT;	54	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
41		56
42	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	61	our $NEXT_TICK;
45	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
46		67
47	our %CFG;	68	our %CFG;
48		69
49	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	71	our $RUNTIME;
51		72
		73	our %PLAYER; # all users
52	our %MAP; # all maps	74	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		84
57	binmode STDOUT;	85	binmode STDOUT;
58	binmode STDERR;	86	binmode STDERR;
59		87
60	# read virtual server time, if available	88	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	95	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
72		101
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
76		105
77	#############################################################################	106	#############################################################################
78		107
79	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
80		109
…		…
104		133
105	=item %cf::CFG	134	=item %cf::CFG
106		135
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window of cpu time available, or simply to synchronise to the server tick.
109		145
110	=back	146	=back
111		147
112	=cut	148	=cut
113		149
…		…
117	utf8::encode $msg;	153	utf8::encode $msg;
118		154
119	$msg .= "\n"	155	$msg .= "\n"
120	unless $msg =~ /\n$/;	156	unless $msg =~ /\n$/;
121		157
122	LOG llevError, "cfperl: $msg";	158	LOG llevError, $msg;
123	};	159	};
124	}	160	}
125		161
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		181
146	$Event::DIED = sub {	182	$Event::DIED = sub {
147	warn "error in event callback: @_";	183	warn "error in event callback: @_";
148	};	184	};
149		185
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
155		187
156	=over 4	188	=over 4
157		189
158	=cut	190	=item dumpval $ref
159		191
		192	=cut
		193
		194	sub dumpval {
		195	eval {
		196	local $SIG{__DIE__};
		197	my $d;
		198	if (1) {
		199	$d = new Data::Dumper([$_[0]], ["*var"]);
		200	$d->Terse(1);
		201	$d->Indent(2);
		202	$d->Quotekeys(0);
		203	$d->Useqq(1);
		204	#$d->Bless(...);
		205	$d->Seen($_[1]) if @_ > 1;
		206	$d = $d->Dump();
		207	}
		208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		209	$d
		210	} || "[unable to dump $_[0]: '$@']";
		211	}
		212
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		214
162	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
163		216
164	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
165		218
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
174		220
175	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
176
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		222
184	=item cf::lock_wait $string	223	=item cf::lock_wait $string
185		224
186	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
187		226
…		…
221	# wake up all waiters, to be on the safe side	260	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	261	$_->ready for @{ delete $LOCK{$key} };
223	}	262	}
224	}	263	}
225		264
226	=item cf::async { BLOCK }
227
228	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
229	error instead of exiting the server in case of a problem.
230
231	=cut
232
233	sub async(&) {
234	my ($cb) = @_;
235
236	Coro::async {
237	eval { $cb->() };
238	warn $@ if $@;
239	}
240	}
241
242	sub freeze_mainloop {	265	sub freeze_mainloop {
243	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
244		267
245	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
246	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
247	$guard	272	$guard
248	}	273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
249		284
250	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
251		286
252	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
253	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
272	my $freeze_guard = freeze_mainloop;	307	my $freeze_guard = freeze_mainloop;
273		308
274	my $busy = 1;	309	my $busy = 1;
275	my @res;	310	my @res;
276		311
277	(Coro::async {	312	(async {
278	@res = eval { $job->() };	313	@res = eval { $job->() };
279	warn $@ if $@;	314	warn $@ if $@;
280	undef $busy;	315	undef $busy;
281	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
282		317
283	while ($busy) {	318	while ($busy) {
284	Coro::cede_notself;	319	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	320	}
287		321
288	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
289	} else {	323	} else {
290	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
291		325
292	$job->()	326	$job->()
293	}	327	}
294	}	328	}
295		329
296	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
297		331
298	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
300		334
301	=cut	335	=cut
302		336
303	sub coro(&) {	337	sub async_ext(&) {
304	my $cb = shift;	338	my $cb = shift;
305		339
306	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
307		341
308	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
309	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
310	});	344	});
311	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
312		346
313	$coro	347	$coro
314	}	348	}
315		349
316	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
317	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
318		354
319	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
320	or return;	356	or return;
321		357
		358	my $value = $cf::RUNTIME + 90 + 10;
322	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
323	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
324	and return;	363	and return;
325		364
		365	# always fsync - this file is important
326	aio_fsync $fh	366	aio_fsync $fh
327	and return;	367	and return;
328		368
329	close $fh	369	close $fh
330	or return;	370	or return;
…		…
333	and return;	373	and return;
334		374
335	1	375	1
336	}	376	}
337		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
338	=back	389	=back
339		390
340	=cut	391	=cut
341
342	#############################################################################
343
344	package cf::path;
345
346	sub new {
347	my ($class, $path, $base) = @_;
348
349	$path = $path->as_string if ref $path;
350
351	my $self = bless { }, $class;
352
353	# {... are special paths that are not touched
354	# ?xxx/... are special absolute paths
355	# ?random/... random maps
356	# /! non-realised random map exit
357	# /... normal maps
358	# ~/... per-player maps without a specific player (DO NOT USE)
359	# ~user/... per-player map of a specific user
360
361	if ($path =~ /^{/) {
362	# fine as it is
363	} elsif ($path =~ s{^\?random/}{}) {
364	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
365	$self->{random} = cf::from_json $data;
366	} else {
367	if ($path =~ s{^~([^/]+)?}{}) {
368	$self->{user_rel} = 1;
369
370	if (defined $1) {
371	$self->{user} = $1;
372	} elsif ($base =~ m{^~([^/]+)/}) {
373	$self->{user} = $1;
374	} else {
375	warn "cannot resolve user-relative path without user <$path,$base>\n";
376	}
377	} elsif ($path =~ /^\//) {
378	# already absolute
379	} else {
380	$base =~ s{[^/]+/?$}{};
381	return $class->new ("$base/$path");
382	}
383
384	for ($path) {
385	redo if s{/\.?/}{/};
386	redo if s{/[^/]+/\.\./}{/};
387	}
388	}
389
390	$self->{path} = $path;
391
392	$self
393	}
394
395	# the name / primary key / in-game path
396	sub as_string {
397	my ($self) = @_;
398
399	$self->{user_rel} ? "~$self->{user}$self->{path}"
400	: $self->{random} ? "?random/$self->{path}"
401	: $self->{path}
402	}
403
404	# the displayed name, this is a one way mapping
405	sub visible_name {
406	my ($self) = @_;
407
408	# if (my $rmp = $self->{random}) {
409	# # todo: be more intelligent about this
410	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
411	# } else {
412	$self->as_string
413	# }
414	}
415
416	# escape the /'s in the path
417	sub _escaped_path {
418	# ∕ is U+2215
419	(my $path = $_[0]{path}) =~ s/\//∕/g;
420	$path
421	}
422
423	# the original (read-only) location
424	sub load_path {
425	my ($self) = @_;
426
427	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
428	}
429
430	# the temporary/swap location
431	sub save_path {
432	my ($self) = @_;
433
434	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
435	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
436	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
437	}
438
439	# the unique path, might be eq to save_path
440	sub uniq_path {
441	my ($self) = @_;
442
443	$self->{user_rel} || $self->{random}
444	? undef
445	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
446	}
447
448	# return random map parameters, or undef
449	sub random_map_params {
450	my ($self) = @_;
451
452	$self->{random}
453	}
454
455	# this is somewhat ugly, but style maps do need special treatment
456	sub is_style_map {
457	$_[0]{path} =~ m{^/styles/}
458	}
459
460	package cf;
461		392
462	#############################################################################	393	#############################################################################
463		394
464	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
465		396
…		…
591	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
592	our @CB_MAP = ();	523	our @CB_MAP = ();
593		524
594	my %attachment;	525	my %attachment;
595		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
596	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
597	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
598		535
599	use sort 'stable';	536	use sort 'stable';
600		537
…		…
771	# object support	708	# object support
772		709
773	sub reattach {	710	sub reattach {
774	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
775	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
776		715
777	my $registry = $obj->registry;	716	my $registry = $obj->registry;
778		717
779	@$registry = ();	718	@$registry = ();
780		719
…		…
827	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
828		767
829	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
831	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
832	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
833	close $fh;	772	close $fh;
834		773
835	if (@$objs) {	774	if (@$objs) {
836	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
837	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
838	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
839	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
840	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
841	close $fh;	780	close $fh;
842	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
843	}	782	}
844	} else {	783	} else {
845	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
912	=cut	851	=cut
913		852
914	sub register_extcmd {	853	sub register_extcmd {
915	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
916		855
917	my $caller = caller;
918	#warn "registering extcmd '$name' to '$caller'";
919
920	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
921	}	857	}
922		858
923	cf::player->attach (	859	cf::player->attach (
924	on_command => sub {	860	on_command => sub {
925	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
938		874
939	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
940		876
941	if (ref $msg) {	877	if (ref $msg) {
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
944	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
945	}	881	}
946	}	882	}
947	} else {	883	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
950		886
951	cf::override;	887	cf::override;
952	},	888	},
953	);	889	);
954		890
955	sub register {
956	my ($base, $pkg) = @_;
957
958	#TODO
959	}
960
961	sub load_extension {	891	sub load_extension {
962	my ($path) = @_;	892	my ($path) = @_;
963		893
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
965	my $base = $1;	895	my $base = $1;
966	my $pkg = $1;	896	my $pkg = $1;
967	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
968	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
969		899
970	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
971		901
972	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
973	or die "$path: $!";	903	or die "$path: $!";
974		904
975	my $source =	905	my $source =
976	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
978	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
979	. "\n};\n1";	909	. "\n};\n1";
980		910
981	eval $source	911	unless (eval $source) {
982	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
983	: "extension disabled.\n";	913	: "extension disabled.\n";
984		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
985	push @exts, $pkg;	915	warn $@;
986	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
987		917	exit 1;
988	# no strict 'refs';	918	}
989	# @{"$pkg\::ISA"} = ext::;	919	die $@;
990
991	register $base, $pkg;
992	}
993
994	sub unload_extension {
995	my ($pkg) = @_;
996
997	warn "removing extension $pkg\n";
998
999	# remove hooks
1000	#TODO
1001	# for my $idx (0 .. $#PLUGIN_EVENT) {
1002	# delete $hook[$idx]{$pkg};
1003	# }	920	}
1004		921
1005	# remove commands	922	push @EXTS, $pkg;
1006	for my $name (keys %COMMAND) {
1007	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1008
1009	if (@cb) {
1010	$COMMAND{$name} = \@cb;
1011	} else {
1012	delete $COMMAND{$name};
1013	}
1014	}
1015
1016	# remove extcmds
1017	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1018	delete $EXTCMD{$name};
1019	}
1020
1021	if (my $cb = $pkg->can ("unload")) {
1022	eval {
1023	$cb->($pkg);
1024	1
1025	} or warn "$pkg unloaded, but with errors: $@";
1026	}
1027
1028	Symbol::delete_package $pkg;
1029	}	923	}
1030		924
1031	sub load_extensions {	925	sub load_extensions {
1032	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1033	next unless -r $ext;	927	next unless -r $ext;
…		…
1037	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1038	}	932	}
1039	}	933	}
1040		934
1041	#############################################################################	935	#############################################################################
1042	# load/save/clean perl data associated with a map
1043
1044	*cf::mapsupport::on_clean = sub {
1045	my ($map) = @_;
1046
1047	my $path = $map->tmpname;
1048	defined $path or return;
1049
1050	unlink "$path.pst";
1051	};
1052
1053	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1054
1055	#############################################################################
1056	# load/save perl data associated with player->ob objects
1057
1058	sub all_objects(@) {
1059	@_, map all_objects ($_->inv), @_
1060	}
1061
1062	# TODO: compatibility cruft, remove when no longer needed
1063	cf::player->attach (
1064	on_load => sub {
1065	my ($pl, $path) = @_;
1066
1067	for my $o (all_objects $pl->ob) {
1068	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1069	$o->set_ob_key_value ("_perl_data");
1070
1071	%$o = %{ Storable::thaw pack "H*", $value };
1072	}
1073	}
1074	},
1075	);
1076
1077	#############################################################################
1078		936
1079	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1080		938
1081	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1082		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1083	=head3 cf::player	947	=head3 cf::player
1084		948
1085	=over 4	949	=over 4
1086		950
1087	=item cf::player::exists $login	951	=item cf::player::find $login
1088		952
1089	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1090		954
1091	=cut	955	=cut
1092		956
1093	sub cf::player::exists($) {	957	sub playerdir($) {
1094	cf::player::find $_[0]	958	cf::localdir
1095	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	959	. "/"
		960	. cf::playerdir
		961	. "/"
		962	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1096	}	963	}
1097		964
		965	sub path($) {
		966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		967
		968	(playerdir $login) . "/playerdata"
		969	}
		970
		971	sub find_active($) {
		972	$cf::PLAYER{$_[0]}
		973	and $cf::PLAYER{$_[0]}->active
		974	and $cf::PLAYER{$_[0]}
		975	}
		976
		977	sub exists($) {
		978	my ($login) = @_;
		979
		980	$cf::PLAYER{$login}
		981	or cf::sync_job { !aio_stat path $login }
		982	}
		983
		984	sub find($) {
		985	return $cf::PLAYER{$_[0]} || do {
		986	my $login = $_[0];
		987
		988	my $guard = cf::lock_acquire "user_find:$login";
		989
		990	$cf::PLAYER{$_[0]} || do {
		991	# rename old playerfiles to new ones
		992	#TODO: remove when no longer required
		993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		995	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		996	aio_unlink +(playerdir $login) . "/$login.pl";
		997
		998	my $pl = load_pl path $login
		999	or return;
		1000	$cf::PLAYER{$login} = $pl
		1001	}
		1002	}
		1003	}
		1004
		1005	sub save($) {
		1006	my ($pl) = @_;
		1007
		1008	return if $pl->{deny_save};
		1009
		1010	my $path = path $pl;
		1011	my $guard = cf::lock_acquire "user_save:$path";
		1012
		1013	return if $pl->{deny_save};
		1014
		1015	aio_mkdir playerdir $pl, 0770;
		1016	$pl->{last_save} = $cf::RUNTIME;
		1017
		1018	$pl->save_pl ($path);
		1019	Coro::cede;
		1020	}
		1021
		1022	sub new($) {
		1023	my ($login) = @_;
		1024
		1025	my $self = create;
		1026
		1027	$self->ob->name ($login);
		1028	$self->{deny_save} = 1;
		1029
		1030	$cf::PLAYER{$login} = $self;
		1031
		1032	$self
		1033	}
		1034
		1035	=item $pl->quit_character
		1036
		1037	Nukes the player without looking back. If logged in, the connection will
		1038	be destroyed. May block for a long time.
		1039
		1040	=cut
		1041
		1042	sub quit_character {
		1043	my ($pl) = @_;
		1044
		1045	my $name = $pl->ob->name;
		1046
		1047	$pl->{deny_save} = 1;
		1048	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1049
		1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1051	$pl->deactivate;
		1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1053	$pl->ns->destroy if $pl->ns;
		1054
		1055	my $path = playerdir $pl;
		1056	my $temp = "$path~$cf::RUNTIME~deleting~";
		1057	aio_rename $path, $temp;
		1058	delete $cf::PLAYER{$pl->ob->name};
		1059	$pl->destroy;
		1060
		1061	my $prefix = qr<^~\Q$name\E/>;
		1062
		1063	# nuke player maps
		1064	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1065
		1066	IO::AIO::aio_rmtree $temp;
		1067	}
		1068
		1069	=item $pl->kick
		1070
		1071	Kicks a player out of the game. This destroys the connection.
		1072
		1073	=cut
		1074
		1075	sub kick {
		1076	my ($pl, $kicker) = @_;
		1077
		1078	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1079	$pl->killer ("kicked");
		1080	$pl->ns->destroy;
		1081	}
		1082
		1083	=item cf::player::list_logins
		1084
		1085	Returns am arrayref of all valid playernames in the system, can take a
		1086	while and may block, so not sync_job-capable, ever.
		1087
		1088	=cut
		1089
		1090	sub list_logins {
		1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1092	or return [];
		1093
		1094	my @logins;
		1095
		1096	for my $login (@$dirs) {
		1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1098	aio_read $fh, 0, 512, my $buf, 0 or next;
		1099	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1100
		1101	utf8::decode $login;
		1102	push @logins, $login;
		1103	}
		1104
		1105	\@logins
		1106	}
		1107
		1108	=item $player->maps
		1109
		1110	Returns an arrayref of map paths that are private for this
		1111	player. May block.
		1112
		1113	=cut
		1114
		1115	sub maps($) {
		1116	my ($pl) = @_;
		1117
		1118	$pl = ref $pl ? $pl->ob->name : $pl;
		1119
		1120	my $files = aio_readdir playerdir $pl
		1121	or return;
		1122
		1123	my @paths;
		1124
		1125	for (@$files) {
		1126	utf8::decode $_;
		1127	next if /\.(?:pl|pst)$/;
		1128	next unless /^$PATH_SEP/o;
		1129
		1130	push @paths, cf::map::normalise "~$pl/$_";
		1131	}
		1132
		1133	\@paths
		1134	}
		1135
1098	=item $player->ext_reply ($msgid, $msgtype, %msg)	1136	=item $player->ext_reply ($msgid, %msg)
1099		1137
1100	Sends an ext reply to the player.	1138	Sends an ext reply to the player.
1101		1139
1102	=cut	1140	=cut
1103		1141
1104	sub cf::player::ext_reply($$$%) {	1142	sub ext_reply($$%) {
1105	my ($self, $id, %msg) = @_;	1143	my ($self, $id, %msg) = @_;
1106		1144
1107	$msg{msgid} = $id;	1145	$msg{msgid} = $id;
1108		1146
1109	$self->send ("ext " . to_json \%msg);	1147	$self->send ("ext " . cf::to_json \%msg);
1110	}	1148	}
		1149
		1150	=item $player->ext_event ($type, %msg)
		1151
		1152	Sends an ext event to the client.
		1153
		1154	=cut
		1155
		1156	sub ext_event($$%) {
		1157	my ($self, $type, %msg) = @_;
		1158
		1159	$self->ns->ext_event ($type, %msg);
		1160	}
		1161
		1162	package cf;
1111		1163
1112	=back	1164	=back
1113		1165
1114		1166
1115	=head3 cf::map	1167	=head3 cf::map
…		…
1121	package cf::map;	1173	package cf::map;
1122		1174
1123	use Fcntl;	1175	use Fcntl;
1124	use Coro::AIO;	1176	use Coro::AIO;
1125		1177
		1178	use overload
		1179	'""' => \&as_string,
		1180	fallback => 1;
		1181
1126	our $MAX_RESET = 3600;	1182	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1183	our $DEFAULT_RESET = 3000;
1128		1184
1129	sub generate_random_map {	1185	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1186	my ($self, $rmp) = @_;
1131
1132	# mit "rum" bekleckern, nicht	1187	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1188	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1192	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1193	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1194	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1195	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1196	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1197	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1198	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(cf::region::find $rmp->{region})	1199	(cf::region::find $rmp->{region}), $rmp->{custom}
		1200	)
		1201	}
		1202
		1203	=item cf::map->register ($regex, $prio)
		1204
		1205	Register a handler for the map path matching the given regex at the
		1206	givne priority (higher is better, built-in handlers have priority 0, the
		1207	default).
		1208
		1209	=cut
		1210
		1211	sub register {
		1212	my (undef, $regex, $prio) = @_;
		1213	my $pkg = caller;
		1214
		1215	no strict;
		1216	push @{"$pkg\::ISA"}, __PACKAGE__;
		1217
		1218	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1219	}
		1220
		1221	# also paths starting with '/'
		1222	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1223
		1224	sub thawer_merge {
		1225	my ($self, $merge) = @_;
		1226
		1227	# we have to keep some variables in memory intact
		1228	local $self->{path};
		1229	local $self->{load_path};
		1230	local $self->{deny_save};
		1231	local $self->{deny_reset};
		1232
		1233	$self->SUPER::thawer_merge ($merge);
		1234	}
		1235
		1236	sub normalise {
		1237	my ($path, $base) = @_;
		1238
		1239	$path = "$path"; # make sure its a string
		1240
		1241	$path =~ s/\.map$//;
		1242
		1243	# map plan:
		1244	#
		1245	# /! non-realised random map exit (special hack!)
		1246	# {... are special paths that are not being touched
		1247	# ?xxx/... are special absolute paths
		1248	# ?random/... random maps
		1249	# /... normal maps
		1250	# ~user/... per-player map of a specific user
		1251
		1252	$path =~ s/$PATH_SEP/\//go;
		1253
		1254	# treat it as relative path if it starts with
		1255	# something that looks reasonable
		1256	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1257	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1258
		1259	$base =~ s{[^/]+/?$}{};
		1260	$path = "$base/$path";
		1261	}
		1262
		1263	for ($path) {
		1264	redo if s{//}{/};
		1265	redo if s{/\.?/}{/};
		1266	redo if s{/[^/]+/\.\./}{/};
		1267	}
		1268
		1269	$path
		1270	}
		1271
		1272	sub new_from_path {
		1273	my (undef, $path, $base) = @_;
		1274
		1275	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1276
		1277	$path = normalise $path, $base;
		1278
		1279	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1280	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1281	my $self = bless cf::map::new, $pkg;
		1282	$self->{path} = $path; $self->path ($path);
		1283	$self->init; # pass $1 etc.
		1284	return $self;
		1285	}
		1286	}
		1287
		1288	Carp::carp "unable to resolve path '$path' (base '$base').";
		1289	()
		1290	}
		1291
		1292	sub init {
		1293	my ($self) = @_;
		1294
		1295	$self
		1296	}
		1297
		1298	sub as_string {
		1299	my ($self) = @_;
		1300
		1301	"$self->{path}"
		1302	}
		1303
		1304	# the displayed name, this is a one way mapping
		1305	sub visible_name {
		1306	&as_string
		1307	}
		1308
		1309	# the original (read-only) location
		1310	sub load_path {
		1311	my ($self) = @_;
		1312
		1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1314	}
		1315
		1316	# the temporary/swap location
		1317	sub save_path {
		1318	my ($self) = @_;
		1319
		1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1322	}
		1323
		1324	# the unique path, undef == no special unique path
		1325	sub uniq_path {
		1326	my ($self) = @_;
		1327
		1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1146	}	1330	}
1147		1331
1148	# and all this just because we cannot iterate over	1332	# and all this just because we cannot iterate over
1149	# all maps in C++...	1333	# all maps in C++...
1150	sub change_all_map_light {	1334	sub change_all_map_light {
…		…
1152		1336
1153	$_->change_map_light ($change)	1337	$_->change_map_light ($change)
1154	for grep $_->outdoor, values %cf::MAP;	1338	for grep $_->outdoor, values %cf::MAP;
1155	}	1339	}
1156		1340
		1341	sub unlink_save {
		1342	my ($self) = @_;
		1343
		1344	utf8::encode (my $save = $self->save_path);
		1345	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1346	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1347	}
		1348
1157	sub try_load_header($) {	1349	sub load_header_from($) {
1158	my ($path) = @_;	1350	my ($self, $path) = @_;
1159		1351
1160	utf8::encode $path;	1352	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1353	#aio_open $path, O_RDONLY, 0
		1354	# or return;
		1355
		1356	$self->_load_header ($path)
1162	or return;	1357	or return;
1163		1358
1164	my $map = cf::map::new	1359	$self->{load_path} = $path;
		1360
		1361	1
		1362	}
		1363
		1364	sub load_header_orig {
		1365	my ($self) = @_;
		1366
		1367	$self->load_header_from ($self->load_path)
		1368	}
		1369
		1370	sub load_header_temp {
		1371	my ($self) = @_;
		1372
		1373	$self->load_header_from ($self->save_path)
		1374	}
		1375
		1376	sub prepare_temp {
		1377	my ($self) = @_;
		1378
		1379	$self->last_access ((delete $self->{last_access})
		1380	|| $cf::RUNTIME); #d#
		1381	# safety
		1382	$self->{instantiate_time} = $cf::RUNTIME
		1383	if $self->{instantiate_time} > $cf::RUNTIME;
		1384	}
		1385
		1386	sub prepare_orig {
		1387	my ($self) = @_;
		1388
		1389	$self->{load_original} = 1;
		1390	$self->{instantiate_time} = $cf::RUNTIME;
		1391	$self->last_access ($cf::RUNTIME);
		1392	$self->instantiate;
		1393	}
		1394
		1395	sub load_header {
		1396	my ($self) = @_;
		1397
		1398	if ($self->load_header_temp) {
		1399	$self->prepare_temp;
		1400	} else {
		1401	$self->load_header_orig
1165	or return;	1402	or return;
		1403	$self->prepare_orig;
		1404	}
1166		1405
1167	# for better error messages only, will be overwritten	1406	1
1168	$map->path ($path);
1169
1170	$map->load_header ($path)
1171	or return;
1172
1173	$map->{load_path} = $path;
1174
1175	$map
1176	}	1407	}
1177		1408
1178	sub find;	1409	sub find;
1179	sub find {	1410	sub find {
1180	my ($path, $origin) = @_;	1411	my ($path, $origin) = @_;
1181		1412
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1413	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1414
1187	cf::lock_wait "map_find:$key";	1415	cf::lock_wait "map_find:$path";
1188		1416
1189	$cf::MAP{$key} || do {	1417	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1418	my $guard = cf::lock_acquire "map_find:$path";
1191		1419	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	Coro::cede;
1196
1197	if ($map) {
1198	$map->last_access ((delete $map->{last_access})
1199	|| $cf::RUNTIME); #d#
1200	# safety
1201	$map->{instantiate_time} = $cf::RUNTIME
1202	if $map->{instantiate_time} > $cf::RUNTIME;
1203	} else {
1204	if (my $rmp = $path->random_map_params) {
1205	$map = generate_random_map $key, $rmp;
1206	} else {
1207	$map = try_load_header $path->load_path;
1208	}
1209
1210	$map or return;	1420	or return;
1211		1421
1212	$map->{load_original} = 1;
1213	$map->{instantiate_time} = $cf::RUNTIME;
1214	$map->last_access ($cf::RUNTIME);
1215	$map->instantiate;
1216
1217	# per-player maps become, after loading, normal maps
1218	$map->per_player (0) if $path->{user_rel};
1219	}
1220
1221	$map->path ($key);
1222	$map->{path} = $path;
1223	$map->{last_save} = $cf::RUNTIME;	1422	$map->{last_save} = $cf::RUNTIME;
1224		1423
1225	Coro::cede;	1424	$map->load_header
		1425	or return;
1226		1426
1227	if ($map->should_reset) {	1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1428	# doing this can freeze the server in a sync job, obviously
		1429	#$cf::WAIT_FOR_TICK->wait;
1228	$map->reset;	1430	$map->reset;
1229	undef $guard;	1431	undef $guard;
1230	$map = find $path	1432	return find $path;
1231	or return;
1232	}	1433	}
1233		1434
1234	$cf::MAP{$key} = $map	1435	$cf::MAP{$path} = $map
1235	}	1436	}
1236	}	1437	}
		1438
		1439	sub pre_load { }
		1440	sub post_load { }
1237		1441
1238	sub load {	1442	sub load {
1239	my ($self) = @_;	1443	my ($self) = @_;
1240		1444
		1445	local $self->{deny_reset} = 1; # loading can take a long time
		1446
1241	my $path = $self->{path};	1447	my $path = $self->{path};
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1448	my $guard = cf::lock_acquire "map_load:$path";
1243		1449
1244	return if $self->in_memory != cf::MAP_SWAPPED;	1450	return if $self->in_memory != cf::MAP_SWAPPED;
1245		1451
1246	$self->in_memory (cf::MAP_LOADING);	1452	$self->in_memory (cf::MAP_LOADING);
1247		1453
1248	$self->alloc;	1454	$self->alloc;
		1455
		1456	$self->pre_load;
		1457
1249	$self->load_objects ($self->{load_path}, 1)	1458	$self->_load_objects ($self->{load_path}, 1)
1250	or return;	1459	or return;
1251		1460
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253	if delete $self->{load_original};	1462	if delete $self->{load_original};
1254		1463
1255	if (my $uniq = $path->uniq_path) {	1464	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	1465	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	1466	if (aio_open $uniq, O_RDONLY, 0) {
1258	$self->clear_unique_items;	1467	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	1468	$self->_load_objects ($uniq, 0);
1260	}	1469	}
1261	}	1470	}
1262		1471
1263	Coro::cede;	1472	Coro::cede;
1264		1473
1265	# now do the right thing for maps	1474	# now do the right thing for maps
1266	$self->link_multipart_objects;	1475	$self->link_multipart_objects;
1267		1476
1268	if ($self->{path}->is_style_map) {	1477	unless ($self->{deny_activate}) {
1269	$self->{deny_save} = 1;	1478	$self->decay_objects;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;	1479	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;	1480	$self->update_buttons;
		1481	Coro::cede;
1275	$self->set_darkness_map;	1482	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	1483	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	1484	unless $self->difficulty;
		1485	Coro::cede;
1278	$self->activate;	1486	$self->activate;
1279	}	1487	}
1280		1488
1281	Coro::cede;	1489	$self->post_load;
1282		1490
1283	$self->in_memory (cf::MAP_IN_MEMORY);	1491	$self->in_memory (cf::MAP_IN_MEMORY);
		1492	}
		1493
		1494	sub customise_for {
		1495	my ($self, $ob) = @_;
		1496
		1497	return find "~" . $ob->name . "/" . $self->{path}
		1498	if $self->per_player;
		1499
		1500	$self
		1501	}
		1502
		1503	# find and load all maps in the 3x3 area around a map
		1504	sub load_diag {
		1505	my ($map) = @_;
		1506
		1507	my @diag; # diagonal neighbours
		1508
		1509	for (0 .. 3) {
		1510	my $neigh = $map->tile_path ($_)
		1511	or next;
		1512	$neigh = find $neigh, $map
		1513	or next;
		1514	$neigh->load;
		1515
		1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1518	}
		1519
		1520	for (@diag) {
		1521	my $neigh = find @$_
		1522	or next;
		1523	$neigh->load;
		1524	}
1284	}	1525	}
1285		1526
1286	sub find_sync {	1527	sub find_sync {
1287	my ($path, $origin) = @_;	1528	my ($path, $origin) = @_;
1288		1529
1289	cf::sync_job { cf::map::find $path, $origin }	1530	cf::sync_job { find $path, $origin }
1290	}	1531	}
1291		1532
1292	sub do_load_sync {	1533	sub do_load_sync {
1293	my ($map) = @_;	1534	my ($map) = @_;
1294		1535
1295	cf::sync_job { $map->load };	1536	cf::sync_job { $map->load };
1296	}	1537	}
1297		1538
		1539	our %MAP_PREFETCH;
		1540	our $MAP_PREFETCHER = undef;
		1541
		1542	sub find_async {
		1543	my ($path, $origin) = @_;
		1544
		1545	$path = normalise $path, $origin && $origin->{path};
		1546
		1547	if (my $map = $cf::MAP{$path}) {
		1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1549	}
		1550
		1551	undef $MAP_PREFETCH{$path};
		1552	$MAP_PREFETCHER ||= cf::async {
		1553	while (%MAP_PREFETCH) {
		1554	for my $path (keys %MAP_PREFETCH) {
		1555	my $map = find $path
		1556	or next;
		1557	$map->load;
		1558
		1559	delete $MAP_PREFETCH{$path};
		1560	}
		1561	}
		1562	undef $MAP_PREFETCHER;
		1563	};
		1564	$MAP_PREFETCHER->prio (6);
		1565
		1566	()
		1567	}
		1568
1298	sub save {	1569	sub save {
1299	my ($self) = @_;	1570	my ($self) = @_;
1300		1571
1301	my $lock = cf::lock_acquire "map_data:" . $self->path;	1572	my $lock = cf::lock_acquire "map_data:" . $self->path;
1302		1573
1303	$self->{last_save} = $cf::RUNTIME;	1574	$self->{last_save} = $cf::RUNTIME;
1304		1575
1305	return unless $self->dirty;	1576	return unless $self->dirty;
1306		1577
1307	my $save = $self->{path}->save_path; utf8::encode $save;	1578	my $save = $self->save_path; utf8::encode $save;
1308	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1579	my $uniq = $self->uniq_path; utf8::encode $uniq;
1309		1580
1310	$self->{load_path} = $save;	1581	$self->{load_path} = $save;
1311		1582
1312	return if $self->{deny_save};	1583	return if $self->{deny_save};
1313		1584
1314	local $self->{last_access} = $self->last_access;#d#	1585	local $self->{last_access} = $self->last_access;#d#
1315		1586
		1587	cf::async {
		1588	$_->contr->save for $self->players;
		1589	};
		1590
1316	if ($uniq) {	1591	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1594	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1595	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1596	}
1322	}	1597	}
1323		1598
1324	sub swap_out {	1599	sub swap_out {
1325	my ($self) = @_;	1600	my ($self) = @_;
…		…
1339		1614
1340	sub reset_at {	1615	sub reset_at {
1341	my ($self) = @_;	1616	my ($self) = @_;
1342		1617
1343	# TODO: safety, remove and allow resettable per-player maps	1618	# TODO: safety, remove and allow resettable per-player maps
1344	return 1e99 if $self->{path}{user_rel};	1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1345	return 1e99 if $self->{deny_reset};	1620	return 1e99 if $self->{deny_reset};
1346		1621
1347	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1348	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1349		1624
…		…
1354	my ($self) = @_;	1629	my ($self) = @_;
1355		1630
1356	$self->reset_at <= $cf::RUNTIME	1631	$self->reset_at <= $cf::RUNTIME
1357	}	1632	}
1358		1633
1359	sub unlink_save {
1360	my ($self) = @_;
1361
1362	utf8::encode (my $save = $self->{path}->save_path);
1363	aioreq_pri 3; IO::AIO::aio_unlink $save;
1364	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1365	}
1366
1367	sub rename {
1368	my ($self, $new_path) = @_;
1369
1370	$self->unlink_save;
1371
1372	delete $cf::MAP{$self->path};
1373	$self->{path} = new cf::path $new_path;
1374	$self->path ($self->{path}->as_string);
1375	$cf::MAP{$self->path} = $self;
1376
1377	$self->save;
1378	}
1379
1380	sub reset {	1634	sub reset {
1381	my ($self) = @_;	1635	my ($self) = @_;
1382		1636
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	1637	my $lock = cf::lock_acquire "map_data:$self->{path}";
1384		1638
1385	return if $self->players;	1639	return if $self->players;
1386	return if $self->{path}{user_rel};#d#	1640	return if $self->isa ("ext::map_per_player");#d#
1387		1641
1388	warn "resetting map ", $self->path;#d#	1642	warn "resetting map ", $self->path;#d#
1389		1643
		1644	$self->in_memory (cf::MAP_SWAPPED);
		1645
		1646	# need to save uniques path
		1647	unless ($self->{deny_save}) {
		1648	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1649
		1650	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1651	if $uniq;
		1652	}
		1653
1390	delete $cf::MAP{$self->path};	1654	delete $cf::MAP{$self->path};
		1655
		1656	$self->clear;
1391		1657
1392	$_->clear_links_to ($self) for values %cf::MAP;	1658	$_->clear_links_to ($self) for values %cf::MAP;
1393		1659
1394	$self->unlink_save;	1660	$self->unlink_save;
1395	$self->destroy;	1661	$self->destroy;
…		…
1398	my $nuke_counter = "aaaa";	1664	my $nuke_counter = "aaaa";
1399		1665
1400	sub nuke {	1666	sub nuke {
1401	my ($self) = @_;	1667	my ($self) = @_;
1402		1668
		1669	delete $cf::MAP{$self->path};
		1670
		1671	$self->unlink_save;
		1672
		1673	bless $self, "cf::map";
		1674	delete $self->{deny_reset};
1403	$self->{deny_save} = 1;	1675	$self->{deny_save} = 1;
1404	$self->reset_timeout (1);	1676	$self->reset_timeout (1);
1405	$self->rename ("{nuke}/" . ($nuke_counter++));	1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1678
		1679	$cf::MAP{$self->path} = $self;
		1680
1406	$self->reset; # polite request, might not happen	1681	$self->reset; # polite request, might not happen
1407	}	1682	}
1408		1683
1409	sub customise_for {	1684	=item cf::map::unique_maps
1410	my ($map, $ob) = @_;
1411		1685
1412	if ($map->per_player) {	1686	Returns an arrayref of paths of all shared maps that have
1413	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1687	instantiated unique items. May block.
1414	}
1415		1688
1416	$map	1689	=cut
1417	}
1418		1690
1419	sub emergency_save {	1691	sub unique_maps() {
1420	my $freeze_guard = cf::freeze_mainloop;	1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1693	or return;
1421		1694
1422	warn "enter emergency map save\n";	1695	my @paths;
1423		1696
1424	cf::sync_job {	1697	for (@$files) {
1425	warn "begin emergency map save\n";	1698	utf8::decode $_;
1426	$_->save for values %cf::MAP;	1699	next if /\.pst$/;
		1700	next unless /^$PATH_SEP/o;
		1701
		1702	push @paths, cf::map::normalise $_;
1427	};	1703	}
1428		1704
1429	warn "end emergency map save\n";	1705	\@paths
1430	}	1706	}
1431		1707
1432	package cf;	1708	package cf;
1433		1709
1434	=back	1710	=back
1435		1711
		1712	=head3 cf::object
		1713
		1714	=cut
		1715
		1716	package cf::object;
		1717
		1718	=over 4
		1719
		1720	=item $ob->inv_recursive
		1721
		1722	Returns the inventory of the object _and_ their inventories, recursively.
		1723
		1724	=cut
		1725
		1726	sub inv_recursive_;
		1727	sub inv_recursive_ {
		1728	map { $_, inv_recursive_ $_->inv } @_
		1729	}
		1730
		1731	sub inv_recursive {
		1732	inv_recursive_ inv $_[0]
		1733	}
		1734
		1735	package cf;
		1736
		1737	=back
1436		1738
1437	=head3 cf::object::player	1739	=head3 cf::object::player
1438		1740
1439	=over 4	1741	=over 4
1440		1742
…		…
1480		1782
1481	=item $player_object->enter_link	1783	=item $player_object->enter_link
1482		1784
1483	Freezes the player and moves him/her to a special map (C<{link}>).	1785	Freezes the player and moves him/her to a special map (C<{link}>).
1484		1786
1485	The player should be reaosnably safe there for short amounts of time. You	1787	The player should be reasonably safe there for short amounts of time. You
1486	I<MUST> call C<leave_link> as soon as possible, though.	1788	I<MUST> call C<leave_link> as soon as possible, though.
1487		1789
		1790	Will never block.
		1791
1488	=item $player_object->leave_link ($map, $x, $y)	1792	=item $player_object->leave_link ($map, $x, $y)
1489		1793
1490	Moves the player out of the specila link map onto the given map. If the	1794	Moves the player out of the special C<{link}> map onto the specified
1491	map is not valid (or omitted), the player will be moved back to the	1795	map. If the map is not valid (or omitted), the player will be moved back
1492	location he/she was before the call to C<enter_link>, or, if that fails,	1796	to the location he/she was before the call to C<enter_link>, or, if that
1493	to the emergency map position.	1797	fails, to the emergency map position.
1494		1798
1495	Might block.	1799	Might block.
1496		1800
1497	=cut	1801	=cut
		1802
		1803	sub link_map {
		1804	unless ($LINK_MAP) {
		1805	$LINK_MAP = cf::map::find "{link}"
		1806	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1807	$LINK_MAP->load;
		1808	}
		1809
		1810	$LINK_MAP
		1811	}
1498		1812
1499	sub cf::object::player::enter_link {	1813	sub cf::object::player::enter_link {
1500	my ($self) = @_;	1814	my ($self) = @_;
1501		1815
1502	$self->deactivate_recursive;	1816	$self->deactivate_recursive;
1503		1817
1504	return if $self->map == $LINK_MAP;	1818	return if UNIVERSAL::isa $self->map, "ext::map_link";
1505		1819
1506	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1507	if $self->map;	1821	if $self->map;
1508		1822
1509	$self->enter_map ($LINK_MAP, 20, 20);	1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1510	}	1824	}
1511		1825
1512	sub cf::object::player::leave_link {	1826	sub cf::object::player::leave_link {
1513	my ($self, $map, $x, $y) = @_;	1827	my ($self, $map, $x, $y) = @_;
1514		1828
…		…
1532	# use -1 or undef as default coordinates, not 0, 0	1846	# use -1 or undef as default coordinates, not 0, 0
1533	($x, $y) = ($map->enter_x, $map->enter_y)	1847	($x, $y) = ($map->enter_x, $map->enter_y)
1534	if $x <=0 && $y <= 0;	1848	if $x <=0 && $y <= 0;
1535		1849
1536	$map->load;	1850	$map->load;
		1851	$map->load_diag;
1537		1852
		1853	return unless $self->contr->active;
1538	$self->activate_recursive;	1854	$self->activate_recursive;
		1855
		1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1539	$self->enter_map ($map, $x, $y);	1857	$self->enter_map ($map, $x, $y);
1540	}	1858	}
1541		1859
1542	cf::player->attach (	1860	cf::player->attach (
1543	on_logout => sub {	1861	on_logout => sub {
…		…
1555		1873
1556	# try to abort aborted map switching on player login :)	1874	# try to abort aborted map switching on player login :)
1557	# should happen only on crashes	1875	# should happen only on crashes
1558	if ($pl->ob->{_link_pos}) {	1876	if ($pl->ob->{_link_pos}) {
1559	$pl->ob->enter_link;	1877	$pl->ob->enter_link;
1560	cf::async {	1878	(async {
		1879	$pl->ob->reply (undef,
		1880	"There was an internal problem at your last logout, "
		1881	. "the server will try to bring you to your intended destination in a second.",
		1882	cf::NDI_RED);
1561	# we need this sleep as the login has a concurrent enter_exit running	1883	# we need this sleep as the login has a concurrent enter_exit running
1562	# and this sleep increases chances of the player not ending up in scorn	1884	# and this sleep increases chances of the player not ending up in scorn
1563	Coro::Timer::sleep 1;	1885	Coro::Timer::sleep 1;
1564	$pl->ob->leave_link;	1886	$pl->ob->leave_link;
1565	};	1887	})->prio (2);
1566	}	1888	}
1567	},	1889	},
1568	);	1890	);
1569		1891
1570	=item $player_object->goto ($path, $x, $y)	1892	=item $player_object->goto ($path, $x, $y)
…		…
1574	sub cf::object::player::goto {	1896	sub cf::object::player::goto {
1575	my ($self, $path, $x, $y) = @_;	1897	my ($self, $path, $x, $y) = @_;
1576		1898
1577	$self->enter_link;	1899	$self->enter_link;
1578		1900
1579	(cf::async {	1901	(async {
1580	$path = new cf::path $path;	1902	my $map = eval {
1581
1582	my $map = cf::map::find $path->as_string;	1903	my $map = cf::map::find $path;
1583	$map = $map->customise_for ($self) if $map;	1904	$map = $map->customise_for ($self) if $map;
1584		1905	$map
1585	# warn "entering ", $map->path, " at ($x, $y)\n"	1906	} or
1586	# if $map;
1587
1588	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1589		1908
1590	$self->leave_link ($map, $x, $y);	1909	$self->leave_link ($map, $x, $y);
1591	})->prio (1);	1910	})->prio (1);
1592	}	1911	}
1593		1912
…		…
1597		1916
1598	sub parse_random_map_params {	1917	sub parse_random_map_params {
1599	my ($spec) = @_;	1918	my ($spec) = @_;
1600		1919
1601	my $rmp = { # defaults	1920	my $rmp = { # defaults
1602	xsize => 10,	1921	xsize => (cf::rndm 15, 40),
1603	ysize => 10,	1922	ysize => (cf::rndm 15, 40),
		1923	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1924	#layout => string,
1604	};	1925	};
1605		1926
1606	for (split /\n/, $spec) {	1927	for (split /\n/, $spec) {
1607	my ($k, $v) = split /\s+/, $_, 2;	1928	my ($k, $v) = split /\s+/, $_, 2;
1608		1929
…		…
1612	$rmp	1933	$rmp
1613	}	1934	}
1614		1935
1615	sub prepare_random_map {	1936	sub prepare_random_map {
1616	my ($exit) = @_;	1937	my ($exit) = @_;
		1938
		1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1617		1940
1618	# all this does is basically replace the /! path by	1941	# all this does is basically replace the /! path by
1619	# a new random map path (?random/...) with a seed	1942	# a new random map path (?random/...) with a seed
1620	# that depends on the exit object	1943	# that depends on the exit object
1621		1944
1622	my $rmp = parse_random_map_params $exit->msg;	1945	my $rmp = parse_random_map_params $exit->msg;
1623		1946
1624	if ($exit->map) {	1947	if ($exit->map) {
1625	$rmp->{region} = $exit->map->region_name;	1948	$rmp->{region} = $exit->region->name;
1626	$rmp->{origin_map} = $exit->map->path;	1949	$rmp->{origin_map} = $exit->map->path;
1627	$rmp->{origin_x} = $exit->x;	1950	$rmp->{origin_x} = $exit->x;
1628	$rmp->{origin_y} = $exit->y;	1951	$rmp->{origin_y} = $exit->y;
1629	}	1952	}
1630		1953
1631	$rmp->{random_seed} ||= $exit->random_seed;	1954	$rmp->{random_seed} ||= $exit->random_seed;
1632		1955
1633	my $data = cf::to_json $rmp;	1956	my $data = cf::to_json $rmp;
1634	my $md5 = Digest::MD5::md5_hex $data;	1957	my $md5 = Digest::MD5::md5_hex $data;
		1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1635		1959
1636	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1637	aio_write $fh, 0, (length $data), $data, 0;	1961	aio_write $fh, 0, (length $data), $data, 0;
		1962	undef $fh;
		1963	aio_rename "$meta~", $meta;
1638		1964
1639	$exit->slaying ("?random/$md5");	1965	$exit->slaying ("?random/$md5");
1640	$exit->msg (undef);	1966	$exit->msg (undef);
1641	}	1967	}
1642	}	1968	}
…		…
1644	sub cf::object::player::enter_exit {	1970	sub cf::object::player::enter_exit {
1645	my ($self, $exit) = @_;	1971	my ($self, $exit) = @_;
1646		1972
1647	return unless $self->type == cf::PLAYER;	1973	return unless $self->type == cf::PLAYER;
1648		1974
		1975	if ($exit->slaying eq "/!") {
		1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1977	# the problem is that $exit might not survive long enough
		1978	# so it needs to be done right now, right here
		1979	cf::sync_job { prepare_random_map $exit };
		1980	}
		1981
		1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1983	my $hp = $exit->stats->hp;
		1984	my $sp = $exit->stats->sp;
		1985
1649	$self->enter_link;	1986	$self->enter_link;
1650		1987
1651	(cf::async {	1988	(async {
1652	$self->deactivate_recursive; # just to be sure	1989	$self->deactivate_recursive; # just to be sure
1653	unless (eval {	1990	unless (eval {
1654	prepare_random_map $exit	1991	$self->goto ($slaying, $hp, $sp);
1655	if $exit->slaying eq "/!";
1656
1657	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1658	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1659		1992
1660	1;	1993	1;
1661	}) {	1994	}) {
1662	$self->message ("Something went wrong deep within the crossfire server. "	1995	$self->message ("Something went wrong deep within the crossfire server. "
1663	. "I'll try to bring you back to the map you were before. "	1996	. "I'll try to bring you back to the map you were before. "
1664	. "Please report this to the dungeon master",	1997	. "Please report this to the dungeon master!",
1665	cf::NDI_UNIQUE | cf::NDI_RED);	1998	cf::NDI_UNIQUE | cf::NDI_RED);
1666		1999
1667	warn "ERROR in enter_exit: $@";	2000	warn "ERROR in enter_exit: $@";
1668	$self->leave_link;	2001	$self->leave_link;
1669	}	2002	}
1670	})->prio (1);	2003	})->prio (1);
…		…
1683		2016
1684	sub cf::client::send_drawinfo {	2017	sub cf::client::send_drawinfo {
1685	my ($self, $text, $flags) = @_;	2018	my ($self, $text, $flags) = @_;
1686		2019
1687	utf8::encode $text;	2020	utf8::encode $text;
1688	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1689	}	2022	}
1690		2023
		2024	=item $client->ext_event ($type, %msg)
		2025
		2026	Sends an exti event to the client.
		2027
		2028	=cut
		2029
		2030	sub cf::client::ext_event($$%) {
		2031	my ($self, $type, %msg) = @_;
		2032
		2033	$msg{msgtype} = "event_$type";
		2034	$self->send_packet ("ext " . cf::to_json \%msg);
		2035	}
1691		2036
1692	=item $success = $client->query ($flags, "text", \&cb)	2037	=item $success = $client->query ($flags, "text", \&cb)
1693		2038
1694	Queues a query to the client, calling the given callback with	2039	Queues a query to the client, calling the given callback with
1695	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1724	# get handled first	2069	# get handled first
1725	my $queue = delete $ns->{query_queue}	2070	my $queue = delete $ns->{query_queue}
1726	or return; # be conservative, not sure how that can happen, but we saw a crash here	2071	or return; # be conservative, not sure how that can happen, but we saw a crash here
1727		2072
1728	(shift @$queue)->[1]->($msg);	2073	(shift @$queue)->[1]->($msg);
		2074	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1729		2075
1730	push @{ $ns->{query_queue} }, @$queue;	2076	push @{ $ns->{query_queue} }, @$queue;
1731		2077
1732	if (@{ $ns->{query_queue} } == @$queue) {	2078	if (@{ $ns->{query_queue} } == @$queue) {
1733	if (@$queue) {	2079	if (@$queue) {
…		…
1737	}	2083	}
1738	}	2084	}
1739	},	2085	},
1740	);	2086	);
1741		2087
1742	=item $client->coro (\&cb)	2088	=item $client->async (\&cb)
1743		2089
1744	Create a new coroutine, running the specified callback. The coroutine will	2090	Create a new coroutine, running the specified callback. The coroutine will
1745	be automatically cancelled when the client gets destroyed (e.g. on logout,	2091	be automatically cancelled when the client gets destroyed (e.g. on logout,
1746	or loss of connection).	2092	or loss of connection).
1747		2093
1748	=cut	2094	=cut
1749		2095
1750	sub cf::client::coro {	2096	sub cf::client::async {
1751	my ($self, $cb) = @_;	2097	my ($self, $cb) = @_;
1752		2098
1753	my $coro = &cf::async ($cb);	2099	my $coro = &Coro::async ($cb);
1754		2100
1755	$coro->on_destroy (sub {	2101	$coro->on_destroy (sub {
1756	delete $self->{_coro}{$coro+0};	2102	delete $self->{_coro}{$coro+0};
1757	});	2103	});
1758		2104
…		…
1791		2137
1792	# here we export the classes and methods available to script code	2138	# here we export the classes and methods available to script code
1793		2139
1794	=pod	2140	=pod
1795		2141
1796	The following fucntions and emthods are available within a safe environment:	2142	The following functions and methods are available within a safe environment:
1797		2143
1798	cf::object contr pay_amount pay_player map	2144	cf::object contr pay_amount pay_player map
1799	cf::object::player player	2145	cf::object::player player
1800	cf::player peaceful	2146	cf::player peaceful
1801	cf::map trigger	2147	cf::map trigger
…		…
1894	The parameter C<$family> should best start with the name of the extension	2240	The parameter C<$family> should best start with the name of the extension
1895	using it, it should be unique.	2241	using it, it should be unique.
1896		2242
1897	=over 4	2243	=over 4
1898		2244
1899	=item $hashref = cf::db_get $family
1900
1901	Return a hashref for use by the extension C<$family>, which can be
1902	modified. After modifications, you have to call C<cf::db_dirty> or
1903	C<cf::db_sync>.
1904
1905	=item $value = cf::db_get $family => $key	2245	=item $value = cf::db_get $family => $key
1906		2246
1907	Returns a single value from the database	2247	Returns a single value from the database.
1908
1909	=item cf::db_put $family => $hashref
1910
1911	Stores the given family hashref into the database. Updates are delayed, if
1912	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1913		2248
1914	=item cf::db_put $family => $key => $value	2249	=item cf::db_put $family => $key => $value
1915		2250
1916	Stores the given C<$value> in the family hash. Updates are delayed, if you	2251	Stores the given C<$value> in the family.
1917	want the data to be synced to disk immediately, use C<cf::db_sync>.
1918
1919	=item cf::db_dirty
1920
1921	Marks the database as dirty, to be updated at a later time.
1922
1923	=item cf::db_sync
1924
1925	Immediately write the database to disk I<if it is dirty>.
1926		2252
1927	=cut	2253	=cut
1928		2254
1929	our $DB;	2255	our $DB;
1930		2256
1931	{	2257	sub db_init {
		2258	unless ($DB) {
		2259	$DB = BDB::db_create $DB_ENV;
		2260
		2261	cf::sync_job {
		2262	eval {
		2263	$DB->set_flags (BDB::CHKSUM);
		2264
		2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2267	cf::cleanup "db_open(db): $!" if $!;
		2268	};
		2269	cf::cleanup "db_open(db): $@" if $@;
		2270	};
		2271
1932	my $path = cf::localdir . "/database.pst";	2272	my $path = cf::localdir . "/database.pst";
		2273	if (stat $path) {
		2274	cf::sync_job {
		2275	my $pst = Storable::retrieve $path;
1933		2276
1934	sub db_load() {	2277	cf::db_put (board => data => $pst->{board});
1935	$DB = stat $path ? Storable::retrieve $path : { };	2278	cf::db_put (guildrules => data => $pst->{guildrules});
1936	}	2279	cf::db_put (rent => balance => $pst->{rent}{balance});
		2280	BDB::db_env_txn_checkpoint $DB_ENV;
1937		2281
1938	my $pid;	2282	unlink $path;
1939
1940	sub db_save() {
1941	waitpid $pid, 0 if $pid;
1942	if (0 == ($pid = fork)) {
1943	$DB->{_meta}{version} = 1;
1944	Storable::nstore $DB, "$path~";
1945	rename "$path~", $path;
1946	cf::_exit 0 if defined $pid;
1947	}	2283	};
1948	}	2284	}
1949
1950	my $dirty;
1951
1952	sub db_sync() {
1953	db_save if $dirty;
1954	undef $dirty;
1955	}
1956
1957	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1958	db_sync;
1959	});	2285	}
		2286	}
1960		2287
1961	sub db_dirty() {
1962	$dirty = 1;
1963	$idle->start;
1964	}
1965
1966	sub db_get($;$) {	2288	sub db_get($$) {
1967	@_ >= 2	2289	my $key = "$_[0]/$_[1]";
1968	? $DB->{$_[0]}{$_[1]}
1969	: ($DB->{$_[0]} ||= { })
1970	}
1971		2290
		2291	cf::sync_job {
		2292	BDB::db_get $DB, undef, $key, my $data;
		2293
		2294	$! ? ()
		2295	: Compress::LZF::sthaw $data
		2296	}
		2297	}
		2298
1972	sub db_put($$;$) {	2299	sub db_put($$$) {
1973	if (@_ >= 3) {	2300	BDB::dbreq_pri 4;
1974	$DB->{$_[0]}{$_[1]} = $_[2];	2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2302	}
		2303
		2304	#############################################################################
		2305	# the server's init and main functions
		2306
		2307	sub load_facedata {
		2308	my $path = sprintf "%s/facedata", cf::datadir;
		2309
		2310	warn "loading facedata from $path\n";
		2311
		2312	my $faces;
		2313	0 < aio_load $path, $faces
		2314	or die "$path: $!";
		2315
		2316	Coro::cede;
		2317	$faces = Storable::thaw $faces;
		2318	Coro::cede;
		2319
		2320	my $meta = delete $faces->{""};
		2321	$meta->{version} == 1
		2322	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2323
		2324	while (my ($face, $info) = each %$faces) {
		2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2329	Coro::cede;
		2330	}
		2331
		2332	while (my ($face, $info) = each %$faces) {
		2333	next unless $info->{smooth};
		2334	my $idx = cf::face::find $face
		2335	or next;
		2336	if (my $smooth = cf::face::find $info->{smooth}) {
		2337	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
1975	} else {	2338	} else {
1976	$DB->{$_[0]} = $_[1];	2339	warn "smooth face '$info->{smooth}' not found for face '$face'";
1977	}
1978	db_dirty;
1979	}
1980
1981	cf::global->attach (
1982	prio => 10000,
1983	on_cleanup => sub {
1984	db_sync;
1985	},	2340	}
1986	);	2341	Coro::cede;
1987	}	2342	}
1988		2343
1989	#############################################################################	2344	1
1990	# the server's main()	2345	}
		2346
		2347	sub reload_resources {
		2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2349	or die "unable to load regions file\n";#d#
		2350	load_facedata
		2351	or die "unable to load facedata\n";#d#
		2352	}
		2353
		2354	sub init {
		2355	reload_resources;
		2356	}
1991		2357
1992	sub cfg_load {	2358	sub cfg_load {
1993	open my $fh, "<:utf8", cf::confdir . "/config"	2359	open my $fh, "<:utf8", cf::confdir . "/config"
1994	or return;	2360	or return;
1995		2361
1996	local $/;	2362	local $/;
1997	*CFG = YAML::Syck::Load <$fh>;	2363	*CFG = YAML::Syck::Load <$fh>;
1998		2364
1999	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2365	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2000		2366
		2367	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2368	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2369
2001	if (exists $CFG{mlockall}) {	2370	if (exists $CFG{mlockall}) {
2002	eval {	2371	eval {
2003	$CFG{mlockall} ? &mlockall : &munlockall	2372	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2004	and die "WARNING: m(un)lockall failed: $!\n";	2373	and die "WARNING: m(un)lockall failed: $!\n";
2005	};	2374	};
2006	warn $@ if $@;	2375	warn $@ if $@;
2007	}	2376	}
2008	}	2377	}
2009		2378
2010	sub main {	2379	sub main {
2011	# we must not ever block the main coroutine	2380	# we must not ever block the main coroutine
2012	local $Coro::idle = sub {	2381	local $Coro::idle = sub {
2013	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2382	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2014	(Coro::unblock_sub {	2383	(async {
2015	Event::one_event;	2384	Event::one_event;
2016	})->();	2385	})->prio (Coro::PRIO_MAX);
2017	};	2386	};
2018		2387
2019	cfg_load;	2388	cfg_load;
2020	db_load;	2389	db_init;
2021	load_extensions;	2390	load_extensions;
		2391
		2392	$TICK_WATCHER->start;
2022	Event::loop;	2393	Event::loop;
2023	}	2394	}
2024		2395
2025	#############################################################################	2396	#############################################################################
2026	# initialisation	2397	# initialisation and cleanup
		2398
		2399	# install some emergency cleanup handlers
		2400	BEGIN {
		2401	for my $signal (qw(INT HUP TERM)) {
		2402	Event->signal (
		2403	reentrant => 0,
		2404	data => WF_AUTOCANCEL,
		2405	signal => $signal,
		2406	prio => 0,
		2407	cb => sub {
		2408	cf::cleanup "SIG$signal";
		2409	},
		2410	);
		2411	}
		2412	}
		2413
		2414	sub emergency_save() {
		2415	my $freeze_guard = cf::freeze_mainloop;
		2416
		2417	warn "enter emergency perl save\n";
		2418
		2419	cf::sync_job {
		2420	# use a peculiar iteration method to avoid tripping on perl
		2421	# refcount bugs in for. also avoids problems with players
		2422	# and maps saved/destroyed asynchronously.
		2423	warn "begin emergency player save\n";
		2424	for my $login (keys %cf::PLAYER) {
		2425	my $pl = $cf::PLAYER{$login} or next;
		2426	$pl->valid or next;
		2427	$pl->save;
		2428	}
		2429	warn "end emergency player save\n";
		2430
		2431	warn "begin emergency map save\n";
		2432	for my $path (keys %cf::MAP) {
		2433	my $map = $cf::MAP{$path} or next;
		2434	$map->valid or next;
		2435	$map->save;
		2436	}
		2437	warn "end emergency map save\n";
		2438
		2439	warn "begin emergency database checkpoint\n";
		2440	BDB::db_env_txn_checkpoint $DB_ENV;
		2441	warn "end emergency database checkpoint\n";
		2442	};
		2443
		2444	warn "leave emergency perl save\n";
		2445	}
		2446
		2447	sub post_cleanup {
		2448	my ($make_core) = @_;
		2449
		2450	warn Carp::longmess "post_cleanup backtrace"
		2451	if $make_core;
		2452	}
2027		2453
2028	sub reload() {	2454	sub reload() {
2029	# can/must only be called in main	2455	# can/must only be called in main
2030	if ($Coro::current != $Coro::main) {	2456	if ($Coro::current != $Coro::main) {
2031	warn "can only reload from main coroutine\n";	2457	warn "can only reload from main coroutine";
2032	return;	2458	return;
2033	}	2459	}
2034		2460
2035	warn "reloading...";	2461	warn "reloading...";
2036		2462
2037	my $guard = freeze_mainloop;	2463	warn "entering sync_job";
		2464
		2465	cf::sync_job {
		2466	cf::write_runtime; # external watchdog should not bark
2038	cf::emergency_save;	2467	cf::emergency_save;
		2468	cf::write_runtime; # external watchdog should not bark
2039		2469
2040	eval {	2470	warn "syncing database to disk";
		2471	BDB::db_env_txn_checkpoint $DB_ENV;
		2472
2041	# if anything goes wrong in here, we should simply crash as we already saved	2473	# if anything goes wrong in here, we should simply crash as we already saved
2042		2474
2043	# cancel all watchers	2475	warn "cancelling all WF_AUTOCANCEL watchers";
2044	for (Event::all_watchers) {	2476	for (Event::all_watchers) {
2045	$_->cancel if $_->data & WF_AUTOCANCEL;	2477	$_->cancel if $_->data & WF_AUTOCANCEL;
2046	}	2478	}
2047		2479
		2480	warn "flushing outstanding aio requests";
		2481	for (;;) {
		2482	BDB::flush;
		2483	IO::AIO::flush;
		2484	Coro::cede;
		2485	last unless IO::AIO::nreqs || BDB::nreqs;
		2486	warn "iterate...";
		2487	}
		2488
		2489	++$RELOAD;
		2490
2048	# cancel all extension coros	2491	warn "cancelling all extension coros";
2049	$_->cancel for values %EXT_CORO;	2492	$_->cancel for values %EXT_CORO;
2050	%EXT_CORO = ();	2493	%EXT_CORO = ();
2051		2494
2052	# unload all extensions	2495	warn "removing commands";
2053	for (@exts) {	2496	%COMMAND = ();
		2497
		2498	warn "removing ext commands";
		2499	%EXTCMD = ();
		2500
		2501	warn "unloading/nuking all extensions";
		2502	for my $pkg (@EXTS) {
2054	warn "unloading <$_>";	2503	warn "... unloading $pkg";
2055	unload_extension $_;	2504
		2505	if (my $cb = $pkg->can ("unload")) {
		2506	eval {
		2507	$cb->($pkg);
		2508	1
		2509	} or warn "$pkg unloaded, but with errors: $@";
2056	}	2510	}
2057		2511
		2512	warn "... nuking $pkg";
		2513	Symbol::delete_package $pkg;
		2514	}
		2515
2058	# unload all modules loaded from $LIBDIR	2516	warn "unloading all perl modules loaded from $LIBDIR";
2059	while (my ($k, $v) = each %INC) {	2517	while (my ($k, $v) = each %INC) {
2060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2518	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2061		2519
2062	warn "removing <$k>";	2520	warn "... unloading $k";
2063	delete $INC{$k};	2521	delete $INC{$k};
2064		2522
2065	$k =~ s/\.pm$//;	2523	$k =~ s/\.pm$//;
2066	$k =~ s/\//::/g;	2524	$k =~ s/\//::/g;
2067		2525
…		…
2070	}	2528	}
2071		2529
2072	Symbol::delete_package $k;	2530	Symbol::delete_package $k;
2073	}	2531	}
2074		2532
2075	# sync database to disk
2076	cf::db_sync;
2077	IO::AIO::flush;
2078
2079	# get rid of safe::, as good as possible	2533	warn "getting rid of safe::, as good as possible";
2080	Symbol::delete_package "safe::$_"	2534	Symbol::delete_package "safe::$_"
2081	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2535	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2082		2536
2083	# remove register_script_function callbacks
2084	# TODO
2085
2086	# unload cf.pm "a bit"	2537	warn "unloading cf.pm \"a bit\"";
2087	delete $INC{"cf.pm"};	2538	delete $INC{"cf.pm"};
2088		2539
2089	# don't, removes xs symbols, too,	2540	# don't, removes xs symbols, too,
2090	# and global variables created in xs	2541	# and global variables created in xs
2091	#Symbol::delete_package __PACKAGE__;	2542	#Symbol::delete_package __PACKAGE__;
2092		2543
2093	# reload cf.pm	2544	warn "unload completed, starting to reload now";
		2545
2094	warn "reloading cf.pm";	2546	warn "reloading cf.pm";
2095	require cf;	2547	require cf;
2096	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2548	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2097		2549
2098	# load config and database again	2550	warn "loading config and database again";
2099	cf::cfg_load;	2551	cf::cfg_load;
2100	cf::db_load;
2101		2552
2102	# load extensions
2103	warn "load extensions";	2553	warn "loading extensions";
2104	cf::load_extensions;	2554	cf::load_extensions;
2105		2555
2106	# reattach attachments to objects	2556	warn "reattaching attachments to objects/players";
2107	warn "reattach";	2557	_global_reattach; # objects, sockets
2108	_global_reattach;	2558	warn "reattaching attachments to maps";
2109	};	2559	reattach $_ for values %MAP;
		2560	warn "reattaching attachments to players";
		2561	reattach $_ for values %PLAYER;
2110		2562
2111	if ($@) {	2563	warn "loading reloadable resources";
		2564	reload_resources;
		2565
		2566	warn "leaving sync_job";
		2567
		2568	1
		2569	} or do {
2112	warn $@;	2570	warn $@;
2113	warn "error while reloading, exiting.";	2571	warn "error while reloading, exiting.";
2114	exit 1;	2572	exit 1;
2115	}	2573	};
2116		2574
2117	warn "reloaded successfully";	2575	warn "reloaded";
2118	};	2576	};
2119		2577
2120	#############################################################################	2578	our $RELOAD_WATCHER; # used only during reload
2121
2122	unless ($LINK_MAP) {
2123	$LINK_MAP = cf::map::new;
2124
2125	$LINK_MAP->width (41);
2126	$LINK_MAP->height (41);
2127	$LINK_MAP->alloc;
2128	$LINK_MAP->path ("{link}");
2129	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2130	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2131
2132	# dirty hack because... archetypes are not yet loaded
2133	Event->timer (
2134	after => 2,
2135	cb => sub {
2136	$_[0]->w->cancel;
2137
2138	# provide some exits "home"
2139	my $exit = cf::object::new "exit";
2140
2141	$exit->slaying ($EMERGENCY_POSITION->[0]);
2142	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2143	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2144
2145	$LINK_MAP->insert ($exit->clone, 19, 19);
2146	$LINK_MAP->insert ($exit->clone, 19, 20);
2147	$LINK_MAP->insert ($exit->clone, 19, 21);
2148	$LINK_MAP->insert ($exit->clone, 20, 19);
2149	$LINK_MAP->insert ($exit->clone, 20, 21);
2150	$LINK_MAP->insert ($exit->clone, 21, 19);
2151	$LINK_MAP->insert ($exit->clone, 21, 20);
2152	$LINK_MAP->insert ($exit->clone, 21, 21);
2153
2154	$exit->destroy;
2155	});
2156
2157	$LINK_MAP->{deny_save} = 1;
2158	$LINK_MAP->{deny_reset} = 1;
2159
2160	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2161	}
2162
2163	register "<global>", __PACKAGE__;
2164		2579
2165	register_command "reload" => sub {	2580	register_command "reload" => sub {
2166	my ($who, $arg) = @_;	2581	my ($who, $arg) = @_;
2167		2582
2168	if ($who->flag (FLAG_WIZ)) {	2583	if ($who->flag (FLAG_WIZ)) {
2169	$who->message ("start of reload.");	2584	$who->message ("reloading server.");
		2585
		2586	# doing reload synchronously and two reloads happen back-to-back,
		2587	# coro crashes during coro_state_free->destroy here.
		2588
		2589	$RELOAD_WATCHER ||= Event->timer (
		2590	reentrant => 0,
		2591	after => 0,
		2592	data => WF_AUTOCANCEL,
		2593	cb => sub {
2170	reload;	2594	reload;
2171	$who->message ("end of reload.");	2595	undef $RELOAD_WATCHER;
		2596	},
		2597	);
2172	}	2598	}
2173	};	2599	};
2174		2600
2175	unshift @INC, $LIBDIR;	2601	unshift @INC, $LIBDIR;
		2602
		2603	my $bug_warning = 0;
2176		2604
2177	$TICK_WATCHER = Event->timer (	2605	$TICK_WATCHER = Event->timer (
2178	reentrant => 0,	2606	reentrant => 0,
		2607	parked => 1,
2179	prio => 0,	2608	prio => 0,
2180	at => $NEXT_TICK || $TICK,	2609	at => $NEXT_TICK || $TICK,
2181	data => WF_AUTOCANCEL,	2610	data => WF_AUTOCANCEL,
2182	cb => sub {	2611	cb => sub {
		2612	if ($Coro::current != $Coro::main) {
		2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2614	unless ++$bug_warning > 10;
		2615	return;
		2616	}
		2617
		2618	$NOW = Event::time;
		2619
2183	cf::server_tick; # one server iteration	2620	cf::server_tick; # one server iteration
2184	$RUNTIME += $TICK;	2621	$RUNTIME += $TICK;
2185	$NEXT_TICK += $TICK;	2622	$NEXT_TICK += $TICK;
		2623
		2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2625	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2626	Coro::async_pool {
		2627	write_runtime
		2628	or warn "ERROR: unable to write runtime file: $!";
		2629	};
		2630	}
		2631
		2632	$WAIT_FOR_TICK->broadcast;
		2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2634
		2635	# my $AFTER = Event::time;
		2636	# warn $AFTER - $NOW;#d#
2186		2637
2187	# if we are delayed by four ticks or more, skip them all	2638	# if we are delayed by four ticks or more, skip them all
2188	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2189		2640
2190	$TICK_WATCHER->at ($NEXT_TICK);	2641	$TICK_WATCHER->at ($NEXT_TICK);
2191	$TICK_WATCHER->start;	2642	$TICK_WATCHER->start;
2192	},	2643	},
2193	);	2644	);
2194		2645
		2646	{
2195	IO::AIO::max_poll_time $TICK * 0.2;	2647	BDB::max_poll_time $TICK * 0.1;
2196		2648	$BDB_POLL_WATCHER = Event->io (
2197	Event->io (	2649	reentrant => 0,
2198	fd => IO::AIO::poll_fileno,	2650	fd => BDB::poll_fileno,
2199	poll => 'r',	2651	poll => 'r',
2200	prio => 5,	2652	prio => 0,
2201	data => WF_AUTOCANCEL,
2202	cb => \&IO::AIO::poll_cb,
2203	);
2204
2205	Event->timer (
2206	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2207	after => 0,	2654	cb => \&BDB::poll_cb,
2208	interval => 10,	2655	);
2209	cb => sub {	2656	BDB::min_parallel 8;
2210	(Coro::unblock_sub {	2657
2211	write_runtime	2658	BDB::set_sync_prepare {
2212	or warn "ERROR: unable to write runtime file: $!";	2659	my $status;
		2660	my $current = $Coro::current;
		2661	(
		2662	sub {
		2663	$status = $!;
		2664	$current->ready; undef $current;
		2665	},
		2666	sub {
		2667	Coro::schedule while defined $current;
		2668	$! = $status;
		2669	},
		2670	)
		2671	};
		2672
		2673	unless ($DB_ENV) {
		2674	$DB_ENV = BDB::db_env_create;
		2675
		2676	cf::sync_job {
		2677	eval {
		2678	BDB::db_env_open
		2679	$DB_ENV,
		2680	$BDB_ENV_DIR,
		2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2683	0666;
		2684
		2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2686
		2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2688	$DB_ENV->set_lk_detect;
		2689	};
		2690
		2691	cf::cleanup "db_env_open(db): $@" if $@;
2213	})->();	2692	};
2214	},	2693	}
2215	);	2694	}
		2695
		2696	{
		2697	IO::AIO::min_parallel 8;
		2698
		2699	undef $Coro::AIO::WATCHER;
		2700	IO::AIO::max_poll_time $TICK * 0.1;
		2701	$AIO_POLL_WATCHER = Event->io (
		2702	reentrant => 0,
		2703	data => WF_AUTOCANCEL,
		2704	fd => IO::AIO::poll_fileno,
		2705	poll => 'r',
		2706	prio => 6,
		2707	cb => \&IO::AIO::poll_cb,
		2708	);
		2709	}
2216		2710
2217	END { cf::emergency_save }	2711	END { cf::emergency_save }
2218		2712
2219	1	2713	1
2220		2714

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