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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.136 by root, Fri Jan 5 01:06:28 2007 UTC vs.
Revision 1.232 by root, Wed Apr 4 02:07:19 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) . "/$login.pl"
		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	my $pl = load_pl path $login
		992	or return;
		993	$cf::PLAYER{$login} = $pl
		994	}
		995	}
		996	}
		997
		998	sub save($) {
		999	my ($pl) = @_;
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	my $path = path $pl;
		1004	my $guard = cf::lock_acquire "user_save:$path";
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	aio_mkdir playerdir $pl, 0770;
		1009	$pl->{last_save} = $cf::RUNTIME;
		1010
		1011	$pl->save_pl ($path);
		1012	Coro::cede;
		1013	}
		1014
		1015	sub new($) {
		1016	my ($login) = @_;
		1017
		1018	my $self = create;
		1019
		1020	$self->ob->name ($login);
		1021	$self->{deny_save} = 1;
		1022
		1023	$cf::PLAYER{$login} = $self;
		1024
		1025	$self
		1026	}
		1027
		1028	=item $pl->quit_character
		1029
		1030	Nukes the player without looking back. If logged in, the connection will
		1031	be destroyed. May block for a long time.
		1032
		1033	=cut
		1034
		1035	sub quit_character {
		1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
		1039
		1040	$pl->{deny_save} = 1;
		1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1042
		1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1044	$pl->deactivate;
		1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1046	$pl->ns->destroy if $pl->ns;
		1047
		1048	my $path = playerdir $pl;
		1049	my $temp = "$path~$cf::RUNTIME~deleting~";
		1050	aio_rename $path, $temp;
		1051	delete $cf::PLAYER{$pl->ob->name};
		1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
		1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
		1074	}
		1075
		1076	=item cf::player::list_logins
		1077
		1078	Returns am arrayref of all valid playernames in the system, can take a
		1079	while and may block, so not sync_job-capable, ever.
		1080
		1081	=cut
		1082
		1083	sub list_logins {
		1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1085	or return [];
		1086
		1087	my @logins;
		1088
		1089	for my $login (@$dirs) {
		1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1091	aio_read $fh, 0, 512, my $buf, 0 or next;
		1092	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1093
		1094	utf8::decode $login;
		1095	push @logins, $login;
		1096	}
		1097
		1098	\@logins
		1099	}
		1100
		1101	=item $player->maps
		1102
		1103	Returns an arrayref of map paths that are private for this
		1104	player. May block.
		1105
		1106	=cut
		1107
		1108	sub maps($) {
		1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
		1112
		1113	my $files = aio_readdir playerdir $pl
		1114	or return;
		1115
		1116	my @paths;
		1117
		1118	for (@$files) {
		1119	utf8::decode $_;
		1120	next if /\.(?:pl|pst)$/;
		1121	next unless /^$PATH_SEP/o;
		1122
		1123	push @paths, cf::map::normalise "~$pl/$_";
		1124	}
		1125
		1126	\@paths
		1127	}
		1128
1098	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1099		1130
1100	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1101		1132
1102	=cut	1133	=cut
1103		1134
1104	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$%) {
1105	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1106		1137
1107	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1108		1139
1109	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1110	}	1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	$self->ns->ext_event ($type, %msg);
		1153	}
		1154
		1155	package cf;
1111		1156
1112	=back	1157	=back
1113		1158
1114		1159
1115	=head3 cf::map	1160	=head3 cf::map
…		…
1121	package cf::map;	1166	package cf::map;
1122		1167
1123	use Fcntl;	1168	use Fcntl;
1124	use Coro::AIO;	1169	use Coro::AIO;
1125		1170
		1171	use overload
		1172	'""' => \&as_string,
		1173	fallback => 1;
		1174
1126	our $MAX_RESET = 3600;	1175	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1176	our $DEFAULT_RESET = 3000;
1128		1177
1129	sub generate_random_map {	1178	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1179	my ($self, $rmp) = @_;
1131
1132	# mit "rum" bekleckern, nicht	1180	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1181	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1185	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1186	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1187	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1188	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1189	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1190	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1191	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(cf::region::find $rmp->{region})	1192	(cf::region::find $rmp->{region}), $rmp->{custom}
		1193	)
		1194	}
		1195
		1196	=item cf::map->register ($regex, $prio)
		1197
		1198	Register a handler for the map path matching the given regex at the
		1199	givne priority (higher is better, built-in handlers have priority 0, the
		1200	default).
		1201
		1202	=cut
		1203
		1204	sub register {
		1205	my (undef, $regex, $prio) = @_;
		1206	my $pkg = caller;
		1207
		1208	no strict;
		1209	push @{"$pkg\::ISA"}, __PACKAGE__;
		1210
		1211	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1212	}
		1213
		1214	# also paths starting with '/'
		1215	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1216
		1217	sub thawer_merge {
		1218	my ($self, $merge) = @_;
		1219
		1220	# we have to keep some variables in memory intact
		1221	local $self->{path};
		1222	local $self->{load_path};
		1223	local $self->{deny_save};
		1224	local $self->{deny_reset};
		1225
		1226	$self->SUPER::thawer_merge ($merge);
		1227	}
		1228
		1229	sub normalise {
		1230	my ($path, $base) = @_;
		1231
		1232	$path = "$path"; # make sure its a string
		1233
		1234	$path =~ s/\.map$//;
		1235
		1236	# map plan:
		1237	#
		1238	# /! non-realised random map exit (special hack!)
		1239	# {... are special paths that are not being touched
		1240	# ?xxx/... are special absolute paths
		1241	# ?random/... random maps
		1242	# /... normal maps
		1243	# ~user/... per-player map of a specific user
		1244
		1245	$path =~ s/$PATH_SEP/\//go;
		1246
		1247	# treat it as relative path if it starts with
		1248	# something that looks reasonable
		1249	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1250	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1251
		1252	$base =~ s{[^/]+/?$}{};
		1253	$path = "$base/$path";
		1254	}
		1255
		1256	for ($path) {
		1257	redo if s{//}{/};
		1258	redo if s{/\.?/}{/};
		1259	redo if s{/[^/]+/\.\./}{/};
		1260	}
		1261
		1262	$path
		1263	}
		1264
		1265	sub new_from_path {
		1266	my (undef, $path, $base) = @_;
		1267
		1268	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1269
		1270	$path = normalise $path, $base;
		1271
		1272	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1273	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1274	my $self = bless cf::map::new, $pkg;
		1275	$self->{path} = $path; $self->path ($path);
		1276	$self->init; # pass $1 etc.
		1277	return $self;
		1278	}
		1279	}
		1280
		1281	Carp::carp "unable to resolve path '$path' (base '$base').";
		1282	()
		1283	}
		1284
		1285	sub init {
		1286	my ($self) = @_;
		1287
		1288	$self
		1289	}
		1290
		1291	sub as_string {
		1292	my ($self) = @_;
		1293
		1294	"$self->{path}"
		1295	}
		1296
		1297	# the displayed name, this is a one way mapping
		1298	sub visible_name {
		1299	&as_string
		1300	}
		1301
		1302	# the original (read-only) location
		1303	sub load_path {
		1304	my ($self) = @_;
		1305
		1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1307	}
		1308
		1309	# the temporary/swap location
		1310	sub save_path {
		1311	my ($self) = @_;
		1312
		1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1315	}
		1316
		1317	# the unique path, undef == no special unique path
		1318	sub uniq_path {
		1319	my ($self) = @_;
		1320
		1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1146	}	1323	}
1147		1324
1148	# and all this just because we cannot iterate over	1325	# and all this just because we cannot iterate over
1149	# all maps in C++...	1326	# all maps in C++...
1150	sub change_all_map_light {	1327	sub change_all_map_light {
…		…
1152		1329
1153	$_->change_map_light ($change)	1330	$_->change_map_light ($change)
1154	for grep $_->outdoor, values %cf::MAP;	1331	for grep $_->outdoor, values %cf::MAP;
1155	}	1332	}
1156		1333
		1334	sub unlink_save {
		1335	my ($self) = @_;
		1336
		1337	utf8::encode (my $save = $self->save_path);
		1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1339	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1340	}
		1341
1157	sub try_load_header($) {	1342	sub load_header_from($) {
1158	my ($path) = @_;	1343	my ($self, $path) = @_;
1159		1344
1160	utf8::encode $path;	1345	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1346	#aio_open $path, O_RDONLY, 0
		1347	# or return;
		1348
		1349	$self->_load_header ($path)
1162	or return;	1350	or return;
1163		1351
1164	my $map = cf::map::new	1352	$self->{load_path} = $path;
		1353
		1354	1
		1355	}
		1356
		1357	sub load_header_orig {
		1358	my ($self) = @_;
		1359
		1360	$self->load_header_from ($self->load_path)
		1361	}
		1362
		1363	sub load_header_temp {
		1364	my ($self) = @_;
		1365
		1366	$self->load_header_from ($self->save_path)
		1367	}
		1368
		1369	sub prepare_temp {
		1370	my ($self) = @_;
		1371
		1372	$self->last_access ((delete $self->{last_access})
		1373	|| $cf::RUNTIME); #d#
		1374	# safety
		1375	$self->{instantiate_time} = $cf::RUNTIME
		1376	if $self->{instantiate_time} > $cf::RUNTIME;
		1377	}
		1378
		1379	sub prepare_orig {
		1380	my ($self) = @_;
		1381
		1382	$self->{load_original} = 1;
		1383	$self->{instantiate_time} = $cf::RUNTIME;
		1384	$self->last_access ($cf::RUNTIME);
		1385	$self->instantiate;
		1386	}
		1387
		1388	sub load_header {
		1389	my ($self) = @_;
		1390
		1391	if ($self->load_header_temp) {
		1392	$self->prepare_temp;
		1393	} else {
		1394	$self->load_header_orig
1165	or return;	1395	or return;
		1396	$self->prepare_orig;
		1397	}
1166		1398
1167	# for better error messages only, will be overwritten	1399	1
1168	$map->path ($path);
1169
1170	$map->load_header ($path)
1171	or return;
1172
1173	$map->{load_path} = $path;
1174
1175	$map
1176	}	1400	}
1177		1401
1178	sub find;	1402	sub find;
1179	sub find {	1403	sub find {
1180	my ($path, $origin) = @_;	1404	my ($path, $origin) = @_;
1181		1405
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1406	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1407
1187	cf::lock_wait "map_find:$key";	1408	cf::lock_wait "map_find:$path";
1188		1409
1189	$cf::MAP{$key} || do {	1410	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1411	my $guard = cf::lock_acquire "map_find:$path";
1191		1412	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;	1413	or return;
1211		1414
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;	1415	$map->{last_save} = $cf::RUNTIME;
1224		1416
1225	Coro::cede;	1417	$map->load_header
		1418	or return;
1226		1419
1227	if ($map->should_reset) {	1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1421	# doing this can freeze the server in a sync job, obviously
		1422	#$cf::WAIT_FOR_TICK->wait;
1228	$map->reset;	1423	$map->reset;
1229	undef $guard;	1424	undef $guard;
1230	$map = find $path	1425	return find $path;
1231	or return;
1232	}	1426	}
1233		1427
1234	$cf::MAP{$key} = $map	1428	$cf::MAP{$path} = $map
1235	}	1429	}
1236	}	1430	}
		1431
		1432	sub pre_load { }
		1433	sub post_load { }
1237		1434
1238	sub load {	1435	sub load {
1239	my ($self) = @_;	1436	my ($self) = @_;
1240		1437
		1438	local $self->{deny_reset} = 1; # loading can take a long time
		1439
1241	my $path = $self->{path};	1440	my $path = $self->{path};
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1441	my $guard = cf::lock_acquire "map_load:$path";
1243		1442
1244	return if $self->in_memory != cf::MAP_SWAPPED;	1443	return if $self->in_memory != cf::MAP_SWAPPED;
1245		1444
1246	$self->in_memory (cf::MAP_LOADING);	1445	$self->in_memory (cf::MAP_LOADING);
1247		1446
1248	$self->alloc;	1447	$self->alloc;
		1448
		1449	$self->pre_load;
		1450
1249	$self->load_objects ($self->{load_path}, 1)	1451	$self->_load_objects ($self->{load_path}, 1)
1250	or return;	1452	or return;
1251		1453
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253	if delete $self->{load_original};	1455	if delete $self->{load_original};
1254		1456
1255	if (my $uniq = $path->uniq_path) {	1457	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	1458	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	1459	if (aio_open $uniq, O_RDONLY, 0) {
1258	$self->clear_unique_items;	1460	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	1461	$self->_load_objects ($uniq, 0);
1260	}	1462	}
1261	}	1463	}
1262		1464
1263	Coro::cede;	1465	Coro::cede;
1264		1466
1265	# now do the right thing for maps	1467	# now do the right thing for maps
1266	$self->link_multipart_objects;	1468	$self->link_multipart_objects;
1267		1469
1268	if ($self->{path}->is_style_map) {	1470	unless ($self->{deny_activate}) {
1269	$self->{deny_save} = 1;	1471	$self->decay_objects;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;	1472	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;	1473	$self->update_buttons;
		1474	Coro::cede;
1275	$self->set_darkness_map;	1475	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	1476	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	1477	unless $self->difficulty;
		1478	Coro::cede;
1278	$self->activate;	1479	$self->activate;
1279	}	1480	}
1280		1481
1281	Coro::cede;	1482	$self->post_load;
1282		1483
1283	$self->in_memory (cf::MAP_IN_MEMORY);	1484	$self->in_memory (cf::MAP_IN_MEMORY);
		1485	}
		1486
		1487	sub customise_for {
		1488	my ($self, $ob) = @_;
		1489
		1490	return find "~" . $ob->name . "/" . $self->{path}
		1491	if $self->per_player;
		1492
		1493	$self
		1494	}
		1495
		1496	# find and load all maps in the 3x3 area around a map
		1497	sub load_diag {
		1498	my ($map) = @_;
		1499
		1500	my @diag; # diagonal neighbours
		1501
		1502	for (0 .. 3) {
		1503	my $neigh = $map->tile_path ($_)
		1504	or next;
		1505	$neigh = find $neigh, $map
		1506	or next;
		1507	$neigh->load;
		1508
		1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1511	}
		1512
		1513	for (@diag) {
		1514	my $neigh = find @$_
		1515	or next;
		1516	$neigh->load;
		1517	}
1284	}	1518	}
1285		1519
1286	sub find_sync {	1520	sub find_sync {
1287	my ($path, $origin) = @_;	1521	my ($path, $origin) = @_;
1288		1522
1289	cf::sync_job { cf::map::find $path, $origin }	1523	cf::sync_job { find $path, $origin }
1290	}	1524	}
1291		1525
1292	sub do_load_sync {	1526	sub do_load_sync {
1293	my ($map) = @_;	1527	my ($map) = @_;
1294		1528
1295	cf::sync_job { $map->load };	1529	cf::sync_job { $map->load };
1296	}	1530	}
1297		1531
		1532	our %MAP_PREFETCH;
		1533	our $MAP_PREFETCHER = undef;
		1534
		1535	sub find_async {
		1536	my ($path, $origin) = @_;
		1537
		1538	$path = normalise $path, $origin && $origin->{path};
		1539
		1540	if (my $map = $cf::MAP{$path}) {
		1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1542	}
		1543
		1544	undef $MAP_PREFETCH{$path};
		1545	$MAP_PREFETCHER ||= cf::async {
		1546	while (%MAP_PREFETCH) {
		1547	for my $path (keys %MAP_PREFETCH) {
		1548	my $map = find $path
		1549	or next;
		1550	$map->load;
		1551
		1552	delete $MAP_PREFETCH{$path};
		1553	}
		1554	}
		1555	undef $MAP_PREFETCHER;
		1556	};
		1557	$MAP_PREFETCHER->prio (6);
		1558
		1559	()
		1560	}
		1561
1298	sub save {	1562	sub save {
1299	my ($self) = @_;	1563	my ($self) = @_;
1300		1564
		1565	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1566
1301	$self->{last_save} = $cf::RUNTIME;	1567	$self->{last_save} = $cf::RUNTIME;
1302		1568
1303	return unless $self->dirty;	1569	return unless $self->dirty;
1304		1570
1305	my $save = $self->{path}->save_path; utf8::encode $save;	1571	my $save = $self->save_path; utf8::encode $save;
1306	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1572	my $uniq = $self->uniq_path; utf8::encode $uniq;
1307		1573
1308	$self->{load_path} = $save;	1574	$self->{load_path} = $save;
1309		1575
1310	return if $self->{deny_save};	1576	return if $self->{deny_save};
1311		1577
1312	local $self->{last_access} = $self->last_access;#d#	1578	local $self->{last_access} = $self->last_access;#d#
1313		1579
		1580	cf::async {
		1581	$_->contr->save for $self->players;
		1582	};
		1583
1314	if ($uniq) {	1584	if ($uniq) {
1315	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1316	$self->save_objects ($uniq, cf::IO_UNIQUES);	1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1317	} else {	1587	} else {
1318	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1588	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1319	}	1589	}
1320	}	1590	}
1321		1591
1322	sub swap_out {	1592	sub swap_out {
1323	my ($self) = @_;	1593	my ($self) = @_;
1324		1594
1325	# save first because save cedes	1595	# save first because save cedes
1326	$self->save;	1596	$self->save;
		1597
		1598	my $lock = cf::lock_acquire "map_data:" . $self->path;
1327		1599
1328	return if $self->players;	1600	return if $self->players;
1329	return if $self->in_memory != cf::MAP_IN_MEMORY;	1601	return if $self->in_memory != cf::MAP_IN_MEMORY;
1330	return if $self->{deny_save};	1602	return if $self->{deny_save};
1331		1603
…		…
1335		1607
1336	sub reset_at {	1608	sub reset_at {
1337	my ($self) = @_;	1609	my ($self) = @_;
1338		1610
1339	# TODO: safety, remove and allow resettable per-player maps	1611	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1613	return 1e99 if $self->{deny_reset};
1342		1614
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1617
…		…
1350	my ($self) = @_;	1622	my ($self) = @_;
1351		1623
1352	$self->reset_at <= $cf::RUNTIME	1624	$self->reset_at <= $cf::RUNTIME
1353	}	1625	}
1354		1626
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1627	sub reset {
1377	my ($self) = @_;	1628	my ($self) = @_;
1378		1629
		1630	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1631
1379	return if $self->players;	1632	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1633	return if $self->isa ("ext::map_per_player");#d#
1381		1634
1382	warn "resetting map ", $self->path;#d#	1635	warn "resetting map ", $self->path;#d#
1383		1636
		1637	$self->in_memory (cf::MAP_SWAPPED);
		1638
		1639	# need to save uniques path
		1640	unless ($self->{deny_save}) {
		1641	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1642
		1643	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1644	if $uniq;
		1645	}
		1646
1384	delete $cf::MAP{$self->path};	1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->clear;
1385		1650
1386	$_->clear_links_to ($self) for values %cf::MAP;	1651	$_->clear_links_to ($self) for values %cf::MAP;
1387		1652
1388	$self->unlink_save;	1653	$self->unlink_save;
1389	$self->destroy;	1654	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1657	my $nuke_counter = "aaaa";
1393		1658
1394	sub nuke {	1659	sub nuke {
1395	my ($self) = @_;	1660	my ($self) = @_;
1396		1661
		1662	delete $cf::MAP{$self->path};
		1663
		1664	$self->unlink_save;
		1665
		1666	bless $self, "cf::map";
		1667	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1668	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1669	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1671
		1672	$cf::MAP{$self->path} = $self;
		1673
1400	$self->reset; # polite request, might not happen	1674	$self->reset; # polite request, might not happen
1401	}	1675	}
1402		1676
1403	sub customise_for {	1677	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1678
1406	if ($map->per_player) {	1679	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1680	instantiated unique items. May block.
1408	}
1409		1681
1410	$map	1682	=cut
1411	}
1412		1683
1413	sub emergency_save {	1684	sub unique_maps() {
1414	my $freeze_guard = cf::freeze_mainloop;	1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1686	or return;
1415		1687
1416	warn "enter emergency map save\n";	1688	my @paths;
1417		1689
1418	cf::sync_job {	1690	for (@$files) {
1419	warn "begin emergency map save\n";	1691	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1692	next if /\.pst$/;
		1693	next unless /^$PATH_SEP/o;
		1694
		1695	push @paths, cf::map::normalise $_;
1421	};	1696	}
1422		1697
1423	warn "end emergency map save\n";	1698	\@paths
1424	}	1699	}
1425		1700
1426	package cf;	1701	package cf;
1427		1702
1428	=back	1703	=back
1429		1704
		1705	=head3 cf::object
		1706
		1707	=cut
		1708
		1709	package cf::object;
		1710
		1711	=over 4
		1712
		1713	=item $ob->inv_recursive
		1714
		1715	Returns the inventory of the object _and_ their inventories, recursively.
		1716
		1717	=cut
		1718
		1719	sub inv_recursive_;
		1720	sub inv_recursive_ {
		1721	map { $_, inv_recursive_ $_->inv } @_
		1722	}
		1723
		1724	sub inv_recursive {
		1725	inv_recursive_ inv $_[0]
		1726	}
		1727
		1728	package cf;
		1729
		1730	=back
1430		1731
1431	=head3 cf::object::player	1732	=head3 cf::object::player
1432		1733
1433	=over 4	1734	=over 4
1434		1735
…		…
1474		1775
1475	=item $player_object->enter_link	1776	=item $player_object->enter_link
1476		1777
1477	Freezes the player and moves him/her to a special map (C<{link}>).	1778	Freezes the player and moves him/her to a special map (C<{link}>).
1478		1779
1479	The player should be reaosnably safe there for short amounts of time. You	1780	The player should be reasonably safe there for short amounts of time. You
1480	I<MUST> call C<leave_link> as soon as possible, though.	1781	I<MUST> call C<leave_link> as soon as possible, though.
1481		1782
		1783	Will never block.
		1784
1482	=item $player_object->leave_link ($map, $x, $y)	1785	=item $player_object->leave_link ($map, $x, $y)
1483		1786
1484	Moves the player out of the specila link map onto the given map. If the	1787	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1788	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1789	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1790	fails, to the emergency map position.
1488		1791
1489	Might block.	1792	Might block.
1490		1793
1491	=cut	1794	=cut
		1795
		1796	sub link_map {
		1797	unless ($LINK_MAP) {
		1798	$LINK_MAP = cf::map::find "{link}"
		1799	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1800	$LINK_MAP->load;
		1801	}
		1802
		1803	$LINK_MAP
		1804	}
1492		1805
1493	sub cf::object::player::enter_link {	1806	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1807	my ($self) = @_;
1495		1808
1496	$self->deactivate_recursive;	1809	$self->deactivate_recursive;
1497		1810
1498	return if $self->map == $LINK_MAP;	1811	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1812
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1814	if $self->map;
1502		1815
1503	$self->enter_map ($LINK_MAP, 20, 20);	1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	1817	}
1505		1818
1506	sub cf::object::player::leave_link {	1819	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1820	my ($self, $map, $x, $y) = @_;
1508		1821
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1839	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1840	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1841	if $x <=0 && $y <= 0;
1529		1842
1530	$map->load;	1843	$map->load;
		1844	$map->load_diag;
1531		1845
		1846	return unless $self->contr->active;
1532	$self->activate_recursive;	1847	$self->activate_recursive;
		1848
		1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1533	$self->enter_map ($map, $x, $y);	1850	$self->enter_map ($map, $x, $y);
1534	}	1851	}
1535		1852
1536	cf::player->attach (	1853	cf::player->attach (
1537	on_logout => sub {	1854	on_logout => sub {
…		…
1549		1866
1550	# try to abort aborted map switching on player login :)	1867	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1868	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1869	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1870	$pl->ob->enter_link;
1554	cf::async {	1871	(async {
		1872	$pl->ob->reply (undef,
		1873	"There was an internal problem at your last logout, "
		1874	. "the server will try to bring you to your intended destination in a second.",
		1875	cf::NDI_RED);
1555	# we need this sleep as the login has a concurrent enter_exit running	1876	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn	1877	# and this sleep increases chances of the player not ending up in scorn
1557	Coro::Timer::sleep 1;	1878	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1879	$pl->ob->leave_link;
1559	};	1880	})->prio (2);
1560	}	1881	}
1561	},	1882	},
1562	);	1883	);
1563		1884
1564	=item $player_object->goto ($path, $x, $y)	1885	=item $player_object->goto ($path, $x, $y)
…		…
1568	sub cf::object::player::goto {	1889	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1890	my ($self, $path, $x, $y) = @_;
1570		1891
1571	$self->enter_link;	1892	$self->enter_link;
1572		1893
1573	(cf::async {	1894	(async {
1574	$path = new cf::path $path;	1895	my $map = eval {
1575
1576	my $map = cf::map::find $path->as_string;	1896	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1897	$map = $map->customise_for ($self) if $map;
1578		1898	$map
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1899	} or
1580	# if $map;
1581
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1583		1901
1584	$self->leave_link ($map, $x, $y);	1902	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1903	})->prio (1);
1586	}	1904	}
1587		1905
…		…
1591		1909
1592	sub parse_random_map_params {	1910	sub parse_random_map_params {
1593	my ($spec) = @_;	1911	my ($spec) = @_;
1594		1912
1595	my $rmp = { # defaults	1913	my $rmp = { # defaults
1596	xsize => 10,	1914	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1915	ysize => (cf::rndm 15, 40),
		1916	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1917	#layout => string,
1598	};	1918	};
1599		1919
1600	for (split /\n/, $spec) {	1920	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1921	my ($k, $v) = split /\s+/, $_, 2;
1602		1922
…		…
1606	$rmp	1926	$rmp
1607	}	1927	}
1608		1928
1609	sub prepare_random_map {	1929	sub prepare_random_map {
1610	my ($exit) = @_;	1930	my ($exit) = @_;
		1931
		1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1933
1612	# all this does is basically replace the /! path by	1934	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1935	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1936	# that depends on the exit object
1615		1937
1616	my $rmp = parse_random_map_params $exit->msg;	1938	my $rmp = parse_random_map_params $exit->msg;
1617		1939
1618	if ($exit->map) {	1940	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	1941	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	1942	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	1943	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	1944	$rmp->{origin_y} = $exit->y;
1623	}	1945	}
1624		1946
1625	$rmp->{random_seed} ||= $exit->random_seed;	1947	$rmp->{random_seed} ||= $exit->random_seed;
1626		1948
1627	my $data = cf::to_json $rmp;	1949	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1950	my $md5 = Digest::MD5::md5_hex $data;
		1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1952
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	1954	aio_write $fh, 0, (length $data), $data, 0;
		1955	undef $fh;
		1956	aio_rename "$meta~", $meta;
1632		1957
1633	$exit->slaying ("?random/$md5");	1958	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1959	$exit->msg (undef);
1635	}	1960	}
1636	}	1961	}
…		…
1638	sub cf::object::player::enter_exit {	1963	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	1964	my ($self, $exit) = @_;
1640		1965
1641	return unless $self->type == cf::PLAYER;	1966	return unless $self->type == cf::PLAYER;
1642		1967
		1968	if ($exit->slaying eq "/!") {
		1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1970	cf::sync_job { prepare_random_map $exit };
		1971	}
		1972
		1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1974	my $hp = $exit->stats->hp;
		1975	my $sp = $exit->stats->sp;
		1976
1643	$self->enter_link;	1977	$self->enter_link;
1644		1978
1645	(cf::async {	1979	(async {
1646	$self->deactivate_recursive; # just to be sure	1980	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	1981	unless (eval {
1648	prepare_random_map $exit	1982	$self->goto ($slaying, $hp, $sp);
1649	if $exit->slaying eq "/!";
1650
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1653		1983
1654	1;	1984	1;
1655	}) {	1985	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	1986	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	1987	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	1988	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	1989	cf::NDI_UNIQUE | cf::NDI_RED);
1660		1990
1661	warn "ERROR in enter_exit: $@";	1991	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	1992	$self->leave_link;
1663	}	1993	}
…		…
1677		2007
1678	sub cf::client::send_drawinfo {	2008	sub cf::client::send_drawinfo {
1679	my ($self, $text, $flags) = @_;	2009	my ($self, $text, $flags) = @_;
1680		2010
1681	utf8::encode $text;	2011	utf8::encode $text;
1682	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2012	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1683	}	2013	}
1684		2014
		2015	=item $client->ext_event ($type, %msg)
		2016
		2017	Sends an exti event to the client.
		2018
		2019	=cut
		2020
		2021	sub cf::client::ext_event($$%) {
		2022	my ($self, $type, %msg) = @_;
		2023
		2024	$msg{msgtype} = "event_$type";
		2025	$self->send_packet ("ext " . cf::to_json \%msg);
		2026	}
1685		2027
1686	=item $success = $client->query ($flags, "text", \&cb)	2028	=item $success = $client->query ($flags, "text", \&cb)
1687		2029
1688	Queues a query to the client, calling the given callback with	2030	Queues a query to the client, calling the given callback with
1689	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2031	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1718	# get handled first	2060	# get handled first
1719	my $queue = delete $ns->{query_queue}	2061	my $queue = delete $ns->{query_queue}
1720	or return; # be conservative, not sure how that can happen, but we saw a crash here	2062	or return; # be conservative, not sure how that can happen, but we saw a crash here
1721		2063
1722	(shift @$queue)->[1]->($msg);	2064	(shift @$queue)->[1]->($msg);
		2065	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1723		2066
1724	push @{ $ns->{query_queue} }, @$queue;	2067	push @{ $ns->{query_queue} }, @$queue;
1725		2068
1726	if (@{ $ns->{query_queue} } == @$queue) {	2069	if (@{ $ns->{query_queue} } == @$queue) {
1727	if (@$queue) {	2070	if (@$queue) {
…		…
1731	}	2074	}
1732	}	2075	}
1733	},	2076	},
1734	);	2077	);
1735		2078
1736	=item $client->coro (\&cb)	2079	=item $client->async (\&cb)
1737		2080
1738	Create a new coroutine, running the specified callback. The coroutine will	2081	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	2082	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	2083	or loss of connection).
1741		2084
1742	=cut	2085	=cut
1743		2086
1744	sub cf::client::coro {	2087	sub cf::client::async {
1745	my ($self, $cb) = @_;	2088	my ($self, $cb) = @_;
1746		2089
1747	my $coro = &cf::async ($cb);	2090	my $coro = &Coro::async ($cb);
1748		2091
1749	$coro->on_destroy (sub {	2092	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	2093	delete $self->{_coro}{$coro+0};
1751	});	2094	});
1752		2095
…		…
1785		2128
1786	# here we export the classes and methods available to script code	2129	# here we export the classes and methods available to script code
1787		2130
1788	=pod	2131	=pod
1789		2132
1790	The following fucntions and emthods are available within a safe environment:	2133	The following functions and methods are available within a safe environment:
1791		2134
1792	cf::object contr pay_amount pay_player map	2135	cf::object contr pay_amount pay_player map
1793	cf::object::player player	2136	cf::object::player player
1794	cf::player peaceful	2137	cf::player peaceful
1795	cf::map trigger	2138	cf::map trigger
…		…
1888	The parameter C<$family> should best start with the name of the extension	2231	The parameter C<$family> should best start with the name of the extension
1889	using it, it should be unique.	2232	using it, it should be unique.
1890		2233
1891	=over 4	2234	=over 4
1892		2235
1893	=item $hashref = cf::db_get $family
1894
1895	Return a hashref for use by the extension C<$family>, which can be
1896	modified. After modifications, you have to call C<cf::db_dirty> or
1897	C<cf::db_sync>.
1898
1899	=item $value = cf::db_get $family => $key	2236	=item $value = cf::db_get $family => $key
1900		2237
1901	Returns a single value from the database	2238	Returns a single value from the database.
1902
1903	=item cf::db_put $family => $hashref
1904
1905	Stores the given family hashref into the database. Updates are delayed, if
1906	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1907		2239
1908	=item cf::db_put $family => $key => $value	2240	=item cf::db_put $family => $key => $value
1909		2241
1910	Stores the given C<$value> in the family hash. Updates are delayed, if you	2242	Stores the given C<$value> in the family.
1911	want the data to be synced to disk immediately, use C<cf::db_sync>.
1912
1913	=item cf::db_dirty
1914
1915	Marks the database as dirty, to be updated at a later time.
1916
1917	=item cf::db_sync
1918
1919	Immediately write the database to disk I<if it is dirty>.
1920		2243
1921	=cut	2244	=cut
1922		2245
1923	our $DB;	2246	our $DB;
1924		2247
1925	{	2248	sub db_init {
		2249	unless ($DB) {
		2250	$DB = BDB::db_create $DB_ENV;
		2251
		2252	cf::sync_job {
		2253	eval {
		2254	$DB->set_flags (BDB::CHKSUM);
		2255
		2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2258	cf::cleanup "db_open(db): $!" if $!;
		2259	};
		2260	cf::cleanup "db_open(db): $@" if $@;
		2261	};
		2262
1926	my $path = cf::localdir . "/database.pst";	2263	my $path = cf::localdir . "/database.pst";
		2264	if (stat $path) {
		2265	cf::sync_job {
		2266	my $pst = Storable::retrieve $path;
1927		2267
1928	sub db_load() {	2268	cf::db_put (board => data => $pst->{board});
1929	$DB = stat $path ? Storable::retrieve $path : { };	2269	cf::db_put (guildrules => data => $pst->{guildrules});
1930	}	2270	cf::db_put (rent => balance => $pst->{rent}{balance});
		2271	BDB::db_env_txn_checkpoint $DB_ENV;
1931		2272
1932	my $pid;	2273	unlink $path;
1933
1934	sub db_save() {
1935	waitpid $pid, 0 if $pid;
1936	if (0 == ($pid = fork)) {
1937	$DB->{_meta}{version} = 1;
1938	Storable::nstore $DB, "$path~";
1939	rename "$path~", $path;
1940	cf::_exit 0 if defined $pid;
1941	}	2274	};
1942	}	2275	}
1943
1944	my $dirty;
1945
1946	sub db_sync() {
1947	db_save if $dirty;
1948	undef $dirty;
1949	}
1950
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1952	db_sync;
1953	});	2276	}
		2277	}
1954		2278
1955	sub db_dirty() {
1956	$dirty = 1;
1957	$idle->start;
1958	}
1959
1960	sub db_get($;$) {	2279	sub db_get($$) {
1961	@_ >= 2	2280	my $key = "$_[0]/$_[1]";
1962	? $DB->{$_[0]}{$_[1]}
1963	: ($DB->{$_[0]} ||= { })
1964	}
1965		2281
		2282	cf::sync_job {
		2283	BDB::db_get $DB, undef, $key, my $data;
		2284
		2285	$! ? ()
		2286	: Compress::LZF::sthaw $data
		2287	}
		2288	}
		2289
1966	sub db_put($$;$) {	2290	sub db_put($$$) {
1967	if (@_ >= 3) {	2291	BDB::dbreq_pri 4;
1968	$DB->{$_[0]}{$_[1]} = $_[2];	2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2293	}
		2294
		2295	#############################################################################
		2296	# the server's init and main functions
		2297
		2298	sub load_facedata {
		2299	my $path = sprintf "%s/facedata", cf::datadir;
		2300
		2301	warn "loading facedata from $path\n";
		2302
		2303	my $faces;
		2304	0 < aio_load $path, $faces
		2305	or die "$path: $!";
		2306
		2307	Coro::cede;
		2308	$faces = Storable::thaw $faces;
		2309	Coro::cede;
		2310
		2311	my $meta = delete $faces->{""};
		2312	$meta->{version} == 1
		2313	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2314
		2315	while (my ($face, $info) = each %$faces) {
		2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2320	Coro::cede;
		2321	}
		2322
		2323	while (my ($face, $info) = each %$faces) {
		2324	next unless $info->{smooth};
		2325	my $idx = cf::face::find $face
		2326	or next;
		2327	if (my $smooth = cf::face::find $info->{smooth}) {
		2328	cf::face::set_smooth $idx, $smooth;
1969	} else {	2329	} else {
1970	$DB->{$_[0]} = $_[1];	2330	warn "smooth face '$info->{smooth}' not found for face '$face'";
1971	}
1972	db_dirty;
1973	}
1974
1975	cf::global->attach (
1976	prio => 10000,
1977	on_cleanup => sub {
1978	db_sync;
1979	},	2331	}
1980	);	2332	Coro::cede;
1981	}	2333	}
1982		2334
1983	#############################################################################	2335	1
1984	# the server's main()	2336	}
		2337
		2338	sub reload_resources {
		2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2340	or die "unable to load regions file\n";#d#
		2341	load_facedata
		2342	or die "unable to load facedata\n";#d#
		2343	}
		2344
		2345	sub init {
		2346	reload_resources;
		2347	}
1985		2348
1986	sub cfg_load {	2349	sub cfg_load {
1987	open my $fh, "<:utf8", cf::confdir . "/config"	2350	open my $fh, "<:utf8", cf::confdir . "/config"
1988	or return;	2351	or return;
1989		2352
1990	local $/;	2353	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2354	*CFG = YAML::Syck::Load <$fh>;
1992		2355
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2356	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		2357
		2358	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2359	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2360
1995	if (exists $CFG{mlockall}) {	2361	if (exists $CFG{mlockall}) {
1996	eval {	2362	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2363	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2364	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2365	};
2000	warn $@ if $@;	2366	warn $@ if $@;
2001	}	2367	}
2002	}	2368	}
2003		2369
2004	sub main {	2370	sub main {
2005	# we must not ever block the main coroutine	2371	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2372	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	2374	(async {
2009	Event::one_event;	2375	Event::one_event;
2010	})->();	2376	})->prio (Coro::PRIO_MAX);
2011	};	2377	};
2012		2378
2013	cfg_load;	2379	cfg_load;
2014	db_load;	2380	db_init;
2015	load_extensions;	2381	load_extensions;
		2382
		2383	$TICK_WATCHER->start;
2016	Event::loop;	2384	Event::loop;
2017	}	2385	}
2018		2386
2019	#############################################################################	2387	#############################################################################
2020	# initialisation	2388	# initialisation and cleanup
		2389
		2390	# install some emergency cleanup handlers
		2391	BEGIN {
		2392	for my $signal (qw(INT HUP TERM)) {
		2393	Event->signal (
		2394	reentrant => 0,
		2395	data => WF_AUTOCANCEL,
		2396	signal => $signal,
		2397	prio => 0,
		2398	cb => sub {
		2399	cf::cleanup "SIG$signal";
		2400	},
		2401	);
		2402	}
		2403	}
		2404
		2405	sub emergency_save() {
		2406	my $freeze_guard = cf::freeze_mainloop;
		2407
		2408	warn "enter emergency perl save\n";
		2409
		2410	cf::sync_job {
		2411	# use a peculiar iteration method to avoid tripping on perl
		2412	# refcount bugs in for. also avoids problems with players
		2413	# and maps saved/destroyed asynchronously.
		2414	warn "begin emergency player save\n";
		2415	for my $login (keys %cf::PLAYER) {
		2416	my $pl = $cf::PLAYER{$login} or next;
		2417	$pl->valid or next;
		2418	$pl->save;
		2419	}
		2420	warn "end emergency player save\n";
		2421
		2422	warn "begin emergency map save\n";
		2423	for my $path (keys %cf::MAP) {
		2424	my $map = $cf::MAP{$path} or next;
		2425	$map->valid or next;
		2426	$map->save;
		2427	}
		2428	warn "end emergency map save\n";
		2429
		2430	warn "begin emergency database checkpoint\n";
		2431	BDB::db_env_txn_checkpoint $DB_ENV;
		2432	warn "end emergency database checkpoint\n";
		2433	};
		2434
		2435	warn "leave emergency perl save\n";
		2436	}
		2437
		2438	sub post_cleanup {
		2439	my ($make_core) = @_;
		2440
		2441	warn Carp::longmess "post_cleanup backtrace"
		2442	if $make_core;
		2443	}
2021		2444
2022	sub reload() {	2445	sub reload() {
2023	# can/must only be called in main	2446	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2447	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2448	warn "can only reload from main coroutine";
2026	return;	2449	return;
2027	}	2450	}
2028		2451
2029	warn "reloading...";	2452	warn "reloading...";
2030		2453
2031	my $guard = freeze_mainloop;	2454	warn "entering sync_job";
		2455
		2456	cf::sync_job {
		2457	cf::write_runtime; # external watchdog should not bark
2032	cf::emergency_save;	2458	cf::emergency_save;
		2459	cf::write_runtime; # external watchdog should not bark
2033		2460
2034	eval {	2461	warn "syncing database to disk";
		2462	BDB::db_env_txn_checkpoint $DB_ENV;
		2463
2035	# if anything goes wrong in here, we should simply crash as we already saved	2464	# if anything goes wrong in here, we should simply crash as we already saved
2036		2465
2037	# cancel all watchers	2466	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	2467	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2468	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2469	}
2041		2470
		2471	warn "flushing outstanding aio requests";
		2472	for (;;) {
		2473	BDB::flush;
		2474	IO::AIO::flush;
		2475	Coro::cede;
		2476	last unless IO::AIO::nreqs || BDB::nreqs;
		2477	warn "iterate...";
		2478	}
		2479
		2480	++$RELOAD;
		2481
2042	# cancel all extension coros	2482	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	2483	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2484	%EXT_CORO = ();
2045		2485
2046	# unload all extensions	2486	warn "removing commands";
2047	for (@exts) {	2487	%COMMAND = ();
		2488
		2489	warn "removing ext commands";
		2490	%EXTCMD = ();
		2491
		2492	warn "unloading/nuking all extensions";
		2493	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2494	warn "... unloading $pkg";
2049	unload_extension $_;	2495
		2496	if (my $cb = $pkg->can ("unload")) {
		2497	eval {
		2498	$cb->($pkg);
		2499	1
		2500	} or warn "$pkg unloaded, but with errors: $@";
2050	}	2501	}
2051		2502
		2503	warn "... nuking $pkg";
		2504	Symbol::delete_package $pkg;
		2505	}
		2506
2052	# unload all modules loaded from $LIBDIR	2507	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2508	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2509	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2510
2056	warn "removing <$k>";	2511	warn "... unloading $k";
2057	delete $INC{$k};	2512	delete $INC{$k};
2058		2513
2059	$k =~ s/\.pm$//;	2514	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	2515	$k =~ s/\//::/g;
2061		2516
…		…
2064	}	2519	}
2065		2520
2066	Symbol::delete_package $k;	2521	Symbol::delete_package $k;
2067	}	2522	}
2068		2523
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2524	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2525	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2526	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		2527
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2528	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2529	delete $INC{"cf.pm"};
2082		2530
2083	# don't, removes xs symbols, too,	2531	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2532	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2533	#Symbol::delete_package __PACKAGE__;
2086		2534
2087	# reload cf.pm	2535	warn "unload completed, starting to reload now";
		2536
2088	warn "reloading cf.pm";	2537	warn "reloading cf.pm";
2089	require cf;	2538	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2540
2092	# load config and database again	2541	warn "loading config and database again";
2093	cf::cfg_load;	2542	cf::cfg_load;
2094	cf::db_load;
2095		2543
2096	# load extensions
2097	warn "load extensions";	2544	warn "loading extensions";
2098	cf::load_extensions;	2545	cf::load_extensions;
2099		2546
2100	# reattach attachments to objects	2547	warn "reattaching attachments to objects/players";
2101	warn "reattach";	2548	_global_reattach; # objects, sockets
2102	_global_reattach;	2549	warn "reattaching attachments to maps";
2103	};	2550	reattach $_ for values %MAP;
		2551	warn "reattaching attachments to players";
		2552	reattach $_ for values %PLAYER;
2104		2553
2105	if ($@) {	2554	warn "loading reloadable resources";
		2555	reload_resources;
		2556
		2557	warn "leaving sync_job";
		2558
		2559	1
		2560	} or do {
2106	warn $@;	2561	warn $@;
2107	warn "error while reloading, exiting.";	2562	warn "error while reloading, exiting.";
2108	exit 1;	2563	exit 1;
2109	}	2564	};
2110		2565
2111	warn "reloaded successfully";	2566	warn "reloaded";
2112	};	2567	};
2113		2568
2114	#############################################################################	2569	our $RELOAD_WATCHER; # used only during reload
2115
2116	unless ($LINK_MAP) {
2117	$LINK_MAP = cf::map::new;
2118
2119	$LINK_MAP->width (41);
2120	$LINK_MAP->height (41);
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,
2129	cb => sub {
2130	$_[0]->w->cancel;
2131
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});
2150
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}
2156
2157	register "<global>", __PACKAGE__;
2158		2570
2159	register_command "reload" => sub {	2571	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2572	my ($who, $arg) = @_;
2161		2573
2162	if ($who->flag (FLAG_WIZ)) {	2574	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");	2575	$who->message ("reloading server.");
		2576
		2577	# doing reload synchronously and two reloads happen back-to-back,
		2578	# coro crashes during coro_state_free->destroy here.
		2579
		2580	$RELOAD_WATCHER ||= Event->timer (
		2581	reentrant => 0,
		2582	after => 0,
		2583	data => WF_AUTOCANCEL,
		2584	cb => sub {
2164	reload;	2585	reload;
2165	$who->message ("end of reload.");	2586	undef $RELOAD_WATCHER;
		2587	},
		2588	);
2166	}	2589	}
2167	};	2590	};
2168		2591
2169	unshift @INC, $LIBDIR;	2592	unshift @INC, $LIBDIR;
		2593
		2594	my $bug_warning = 0;
2170		2595
2171	$TICK_WATCHER = Event->timer (	2596	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	2597	reentrant => 0,
		2598	parked => 1,
2173	prio => 0,	2599	prio => 0,
2174	at => $NEXT_TICK || $TICK,	2600	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	2601	data => WF_AUTOCANCEL,
2176	cb => sub {	2602	cb => sub {
		2603	if ($Coro::current != $Coro::main) {
		2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2605	unless ++$bug_warning > 10;
		2606	return;
		2607	}
		2608
		2609	$NOW = Event::time;
		2610
2177	cf::server_tick; # one server iteration	2611	cf::server_tick; # one server iteration
2178	$RUNTIME += $TICK;	2612	$RUNTIME += $TICK;
2179	$NEXT_TICK += $TICK;	2613	$NEXT_TICK += $TICK;
		2614
		2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2616	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2617	Coro::async_pool {
		2618	write_runtime
		2619	or warn "ERROR: unable to write runtime file: $!";
		2620	};
		2621	}
		2622
		2623	$WAIT_FOR_TICK->broadcast;
		2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2625
		2626	# my $AFTER = Event::time;
		2627	# warn $AFTER - $NOW;#d#
2180		2628
2181	# if we are delayed by four ticks or more, skip them all	2629	# if we are delayed by four ticks or more, skip them all
2182	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2183		2631
2184	$TICK_WATCHER->at ($NEXT_TICK);	2632	$TICK_WATCHER->at ($NEXT_TICK);
2185	$TICK_WATCHER->start;	2633	$TICK_WATCHER->start;
2186	},	2634	},
2187	);	2635	);
2188		2636
		2637	{
2189	IO::AIO::max_poll_time $TICK * 0.2;	2638	BDB::max_poll_time $TICK * 0.1;
2190		2639	$BDB_POLL_WATCHER = Event->io (
2191	Event->io (	2640	reentrant => 0,
2192	fd => IO::AIO::poll_fileno,	2641	fd => BDB::poll_fileno,
2193	poll => 'r',	2642	poll => 'r',
2194	prio => 5,	2643	prio => 0,
2195	data => WF_AUTOCANCEL,
2196	cb => \&IO::AIO::poll_cb,
2197	);
2198
2199	Event->timer (
2200	data => WF_AUTOCANCEL,	2644	data => WF_AUTOCANCEL,
2201	after => 0,	2645	cb => \&BDB::poll_cb,
2202	interval => 10,	2646	);
2203	cb => sub {	2647	BDB::min_parallel 8;
2204	(Coro::unblock_sub {	2648
2205	write_runtime	2649	BDB::set_sync_prepare {
2206	or warn "ERROR: unable to write runtime file: $!";	2650	my $status;
		2651	my $current = $Coro::current;
		2652	(
		2653	sub {
		2654	$status = $!;
		2655	$current->ready; undef $current;
		2656	},
		2657	sub {
		2658	Coro::schedule while defined $current;
		2659	$! = $status;
		2660	},
		2661	)
		2662	};
		2663
		2664	unless ($DB_ENV) {
		2665	$DB_ENV = BDB::db_env_create;
		2666
		2667	cf::sync_job {
		2668	eval {
		2669	BDB::db_env_open
		2670	$DB_ENV,
		2671	$BDB_ENV_DIR,
		2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2674	0666;
		2675
		2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2677
		2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2679	$DB_ENV->set_lk_detect;
		2680	};
		2681
		2682	cf::cleanup "db_env_open(db): $@" if $@;
2207	})->();	2683	};
2208	},	2684	}
2209	);	2685	}
		2686
		2687	{
		2688	IO::AIO::min_parallel 8;
		2689
		2690	undef $Coro::AIO::WATCHER;
		2691	IO::AIO::max_poll_time $TICK * 0.1;
		2692	$AIO_POLL_WATCHER = Event->io (
		2693	reentrant => 0,
		2694	data => WF_AUTOCANCEL,
		2695	fd => IO::AIO::poll_fileno,
		2696	poll => 'r',
		2697	prio => 6,
		2698	cb => \&IO::AIO::poll_cb,
		2699	);
		2700	}
2210		2701
2211	END { cf::emergency_save }	2702	END { cf::emergency_save }
2212		2703
2213	1	2704	1
2214		2705

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