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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.139 by root, Fri Jan 5 19:12:03 2007 UTC vs.
Revision 1.283 by root, Sun Jun 24 04:09:29 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
		26	use Data::Dumper;
20	use Digest::MD5;	27	use Digest::MD5;
21	use Fcntl;	28	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	29	use YAML::Syck ();
		30	use IO::AIO 2.32 ();
24	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
25		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
27		41
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
30		44
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		46
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		48
35	our %COMMAND = ();	49	our %COMMAND = ();
36	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
38		56
		57	our $RELOAD; # number of reloads so far
39	our @EVENT;	58	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		59
42	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	76	our $NEXT_TICK;
45	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
46		82
47	our %CFG;	83	our %CFG;
48		84
49	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	86	our $RUNTIME;
51		87
		88	our %PLAYER; # all users
52	our %MAP; # all maps	89	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	91
55	our %EXT_CORO;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
		93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
56		98
57	binmode STDOUT;	99	binmode STDOUT;
58	binmode STDERR;	100	binmode STDERR;
59		101
60	# read virtual server time, if available	102	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
65	}	107	}
66		108
67	mkdir cf::localdir;	109	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		111
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
76		115
77	#############################################################################	116	#############################################################################
78		117
79	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
80		119
…		…
87	=item $cf::RUNTIME	126	=item $cf::RUNTIME
88		127
89	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
90	every server tick.	129	every server tick.
91		130
92	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
93		134
94	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
95	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
96		139
97	=item $cf::NOW	140	=item $cf::NOW
98		141
99	The time of the last (current) server tick.	142	The time of the last (current) server tick.
100		143
101	=item $cf::TICK	144	=item $cf::TICK
102		145
103	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
104		157
105	=item %cf::CFG	158	=item %cf::CFG
106		159
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	161	from wherever your confdir points to.
		162
		163	=item cf::wait_for_tick, cf::wait_for_tick_begin
		164
		165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		166	returns directly I<after> the tick processing (and consequently, can only wake one process
		167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
109		168
110	=back	169	=back
111		170
112	=cut	171	=cut
113		172
114	BEGIN {	173	BEGIN {
115	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	175	my $msg = join "", @_;
117	utf8::encode $msg;
118		176
119	$msg .= "\n"	177	$msg .= "\n"
120	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
121		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	183	LOG llevError, $msg;
123	};	184	};
124	}	185	}
125		186
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
131	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
132		194
133	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
134	# within the Safe compartment.	196	# within the Safe compartment.
135	for my $pkg (qw(	197	for my $pkg (qw(
136	cf::global cf::attachable	198	cf::global cf::attachable
…		…
145		207
146	$Event::DIED = sub {	208	$Event::DIED = sub {
147	warn "error in event callback: @_";	209	warn "error in event callback: @_";
148	};	210	};
149		211
150	my %ext_pkg;	212	#############################################################################
151	my @exts;
152	my @hook;
153		213
154	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
155		215
156	=over 4	216	=over 4
157		217
158	=cut	218	=item dumpval $ref
159		219
		220	=cut
		221
		222	sub dumpval {
		223	eval {
		224	local $SIG{__DIE__};
		225	my $d;
		226	if (1) {
		227	$d = new Data::Dumper([$_[0]], ["*var"]);
		228	$d->Terse(1);
		229	$d->Indent(2);
		230	$d->Quotekeys(0);
		231	$d->Useqq(1);
		232	#$d->Bless(...);
		233	$d->Seen($_[1]) if @_ > 1;
		234	$d = $d->Dump();
		235	}
		236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		237	$d
		238	} || "[unable to dump $_[0]: '$@']";
		239	}
		240
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		242
162	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
163		244
164	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
165		246
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
174		248
175	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
176
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		250
184	=item cf::lock_wait $string	251	=item cf::lock_wait $string
185		252
186	Wait until the given lock is available. See cf::lock_acquire.	253	Wait until the given lock is available. See cf::lock_acquire.
187		254
…		…
193	returned.	260	returned.
194		261
195	Lock names should begin with a unique identifier (for example, cf::map::find	262	Lock names should begin with a unique identifier (for example, cf::map::find
196	uses map_find and cf::map::load uses map_load).	263	uses map_find and cf::map::load uses map_load).
197		264
		265	=item $locked = cf::lock_active $string
		266
		267	Return true if the lock is currently active, i.e. somebody has locked it.
		268
198	=cut	269	=cut
199		270
200	our %LOCK;	271	our %LOCK;
201		272
202	sub lock_wait($) {	273	sub lock_wait($) {
…		…
221	# wake up all waiters, to be on the safe side	292	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	293	$_->ready for @{ delete $LOCK{$key} };
223	}	294	}
224	}	295	}
225		296
		297	sub lock_active($) {
		298	my ($key) = @_;
		299
		300	! ! $LOCK{$key}
		301	}
		302
226	sub freeze_mainloop {	303	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	304	return unless $TICK_WATCHER->is_active;
228		305
229	my $guard = Coro::guard { $TICK_WATCHER->start };	306	my $guard = Coro::guard {
		307	$TICK_WATCHER->start;
		308	};
230	$TICK_WATCHER->stop;	309	$TICK_WATCHER->stop;
231	$guard	310	$guard
232	}	311	}
233		312
		313	=item cf::async { BLOCK }
		314
		315	Currently the same as Coro::async_pool, meaning you cannot use
		316	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		317	thing you are allowed to do is call C<prio> on it.
		318
		319	=cut
		320
		321	BEGIN { *async = \&Coro::async_pool }
		322
234	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
235		324
236	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
237	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
238	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
239		329
240	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
241	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
242	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
243	fast or be very important.	333	fast or be very important.
…		…
246		336
247	sub sync_job(&) {	337	sub sync_job(&) {
248	my ($job) = @_;	338	my ($job) = @_;
249		339
250	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
251	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
252	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
253		345
254	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
255	# (but this is cancel-safe)	347	# (but this is cancel-safe)
256	my $freeze_guard = freeze_mainloop;	348	my $freeze_guard = freeze_mainloop;
257		349
258	my $busy = 1;	350	my $busy = 1;
259	my @res;	351	my @res;
260		352
261	(Coro::async_pool {	353	(async {
262	@res = eval { $job->() };	354	@res = eval { $job->() };
263	warn $@ if $@;	355	warn $@ if $@;
264	undef $busy;	356	undef $busy;
265	})->prio (Coro::PRIO_MAX);	357	})->prio (Coro::PRIO_MAX);
266		358
267	while ($busy) {	359	while ($busy) {
268	unless (Coro::cede) {	360	Coro::cede or Event::one_event;
269	Coro::nready ? Event::one_event 0 : Event::one_event;
270	Coro::cede_notself unless Coro::cede;
271	}	361	}
272	}	362
		363	$time = Event::time - $time;
		364
		365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		367
		368	$tick_start += $time; # do not account sync jobs to server load
273		369
274	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
275	} else {	371	} else {
276	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
277		373
278	$job->()	374	$job->()
279	}	375	}
280	}	376	}
281		377
282	=item $coro = cf::coro { BLOCK }	378	=item $coro = cf::async_ext { BLOCK }
283		379
284	Creates (and readies) and returns a new coro. This coro is automcatially	380	Like async, but this coro is automatically being canceled when the
285	being canceled when the extension calling this is being unloaded.	381	extension calling this is being unloaded.
286		382
287	=cut	383	=cut
288		384
289	sub coro(&) {	385	sub async_ext(&) {
290	my $cb = shift;	386	my $cb = shift;
291		387
292	my $coro = &Coro::async_pool ($cb);	388	my $coro = &Coro::async ($cb);
293		389
294	$coro->on_destroy (sub {	390	$coro->on_destroy (sub {
295	delete $EXT_CORO{$coro+0};	391	delete $EXT_CORO{$coro+0};
296	});	392	});
297	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
298		394
299	$coro	395	$coro
300	}	396	}
301		397
302	sub write_runtime {	398	=item fork_call { }, $args
303	my $runtime = cf::localdir . "/runtime";
304		399
305	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	400	Executes the given code block with the given arguments in a seperate
306	or return;	401	process, returning the results. Everything must be serialisable with
		402	Coro::Storable. May, of course, block. Note that the executed sub may
		403	never block itself or use any form of Event handling.
307		404
308	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	405	=cut
309	(aio_write $fh, 0, (length $value), $value, 0) <= 0
310	and return;
311		406
312	aio_fsync $fh	407	sub fork_call(&@) {
313	and return;	408	my ($cb, @args) = @_;
314		409
		410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		411	# or die "socketpair: $!";
		412	pipe my $fh1, my $fh2
		413	or die "pipe: $!";
		414
		415	if (my $pid = fork) {
315	close $fh	416	close $fh2;
316	or return;
317		417
318	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
319	and return;	419	$res = Coro::Storable::thaw $res;
320		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
321	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		473	my $key = "$_[0]/$_[1]";
		474
		475	cf::sync_job {
		476	BDB::db_get $DB, undef, $key, my $data;
		477
		478	$! ? ()
		479	: $data
		480	}
		481	}
		482
		483	sub db_put($$$) {
		484	BDB::dbreq_pri 4;
		485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		486	}
		487
		488	=item cf::cache $id => [$paths...], $processversion => $process
		489
		490	Generic caching function that returns the value of the resource $id,
		491	caching and regenerating as required.
		492
		493	This function can block.
		494
		495	=cut
		496
		497	sub cache {
		498	my ($id, $src, $processversion, $process) = @_;
		499
		500	my $meta =
		501	join "\x00",
		502	$processversion,
		503	map {
		504	aio_stat $_
		505	and Carp::croak "$_: $!";
		506
		507	($_, (stat _)[7,9])
		508	} @$src;
		509
		510	my $dbmeta = db_get cache => "$id/meta";
		511	if ($dbmeta ne $meta) {
		512	# changed, we may need to process
		513
		514	my @data;
		515	my $md5;
		516
		517	for (0 .. $#$src) {
		518	0 <= aio_load $src->[$_], $data[$_]
		519	or Carp::croak "$src->[$_]: $!";
		520	}
		521
		522	# if processing is expensive, check
		523	# checksum first
		524	if (1) {
		525	$md5 =
		526	join "\x00",
		527	$processversion,
		528	map {
		529	Coro::cede;
		530	($src->[$_], Digest::MD5::md5_hex $data[$_])
		531	} 0.. $#$src;
		532
		533
		534	my $dbmd5 = db_get cache => "$id/md5";
		535	if ($dbmd5 eq $md5) {
		536	db_put cache => "$id/meta", $meta;
		537
		538	return db_get cache => "$id/data";
		539	}
		540	}
		541
		542	my $t1 = Time::HiRes::time;
		543	my $data = $process->(\@data);
		544	my $t2 = Time::HiRes::time;
		545
		546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		547
		548	db_put cache => "$id/data", $data;
		549	db_put cache => "$id/md5" , $md5;
		550	db_put cache => "$id/meta", $meta;
		551
		552	return $data;
		553	}
		554
		555	db_get cache => "$id/data"
		556	}
		557
		558	=item cf::datalog type => key => value, ...
		559
		560	Log a datalog packet of the given type with the given key-value pairs.
		561
		562	=cut
		563
		564	sub datalog($@) {
		565	my ($type, %kv) = @_;
		566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
322	}	567	}
323		568
324	=back	569	=back
325		570
326	=cut	571	=cut
327
328	#############################################################################
329
330	package cf::path;
331
332	sub new {
333	my ($class, $path, $base) = @_;
334
335	$path = $path->as_string if ref $path;
336
337	my $self = bless { }, $class;
338
339	# {... are special paths that are not touched
340	# ?xxx/... are special absolute paths
341	# ?random/... random maps
342	# /! non-realised random map exit
343	# /... normal maps
344	# ~/... per-player maps without a specific player (DO NOT USE)
345	# ~user/... per-player map of a specific user
346
347	if ($path =~ /^{/) {
348	# fine as it is
349	} elsif ($path =~ s{^\?random/}{}) {
350	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
351	$self->{random} = cf::from_json $data;
352	} else {
353	if ($path =~ s{^~([^/]+)?}{}) {
354	$self->{user_rel} = 1;
355
356	if (defined $1) {
357	$self->{user} = $1;
358	} elsif ($base =~ m{^~([^/]+)/}) {
359	$self->{user} = $1;
360	} else {
361	warn "cannot resolve user-relative path without user <$path,$base>\n";
362	}
363	} elsif ($path =~ /^\//) {
364	# already absolute
365	} else {
366	$base =~ s{[^/]+/?$}{};
367	return $class->new ("$base/$path");
368	}
369
370	for ($path) {
371	redo if s{/\.?/}{/};
372	redo if s{/[^/]+/\.\./}{/};
373	}
374	}
375
376	$self->{path} = $path;
377
378	$self
379	}
380
381	# the name / primary key / in-game path
382	sub as_string {
383	my ($self) = @_;
384
385	$self->{user_rel} ? "~$self->{user}$self->{path}"
386	: $self->{random} ? "?random/$self->{path}"
387	: $self->{path}
388	}
389
390	# the displayed name, this is a one way mapping
391	sub visible_name {
392	my ($self) = @_;
393
394	# if (my $rmp = $self->{random}) {
395	# # todo: be more intelligent about this
396	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
397	# } else {
398	$self->as_string
399	# }
400	}
401
402	# escape the /'s in the path
403	sub _escaped_path {
404	# ∕ is U+2215
405	(my $path = $_[0]{path}) =~ s/\//∕/g;
406	$path
407	}
408
409	# the original (read-only) location
410	sub load_path {
411	my ($self) = @_;
412
413	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
414	}
415
416	# the temporary/swap location
417	sub save_path {
418	my ($self) = @_;
419
420	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
421	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
422	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
423	}
424
425	# the unique path, might be eq to save_path
426	sub uniq_path {
427	my ($self) = @_;
428
429	$self->{user_rel} || $self->{random}
430	? undef
431	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
432	}
433
434	# return random map parameters, or undef
435	sub random_map_params {
436	my ($self) = @_;
437
438	$self->{random}
439	}
440
441	# this is somewhat ugly, but style maps do need special treatment
442	sub is_style_map {
443	$_[0]{path} =~ m{^/styles/}
444	}
445
446	package cf;
447		572
448	#############################################################################	573	#############################################################################
449		574
450	=head2 ATTACHABLE OBJECTS	575	=head2 ATTACHABLE OBJECTS
451		576
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	578	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
455		580
456	In the following description, CLASS can be any of C<global>, C<object>	581	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	582	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	583	Crossfire TRT).
459		584
460	=over 4	585	=over 4
461		586
462	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
463		588
…		…
577	our @CB_TYPE = (); # registry for type (cf-object class) based events	702	our @CB_TYPE = (); # registry for type (cf-object class) based events
578	our @CB_MAP = ();	703	our @CB_MAP = ();
579		704
580	my %attachment;	705	my %attachment;
581		706
		707	sub cf::attachable::thawer_merge {
		708	# simply override everything except _meta
		709	local $_[0]{_meta};
		710	%{$_[0]} = %{$_[1]};
		711	}
		712
582	sub _attach_cb($$$$) {	713	sub _attach_cb($$$$) {
583	my ($registry, $event, $prio, $cb) = @_;	714	my ($registry, $event, $prio, $cb) = @_;
584		715
585	use sort 'stable';	716	use sort 'stable';
586		717
…		…
620	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
621		752
622	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
623	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
624	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
625	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
626		757
627	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
628	my $pkg = shift @arg;	759	my $pkg = shift @arg;
629		760
630	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
659	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
660	}	791	}
661		792
662	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
663	} else {	794	} else {
664	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
665	}	796	}
666		797
667	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
668	}	799	}
669		800
…		…
671	if (ref $_[0]) {	802	if (ref $_[0]) {
672	_object_attach @_;	803	_object_attach @_;
673	} else {	804	} else {
674	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
675	}	806	}
		807	_recalc_want;
676	};	808	};
677		809
678	# all those should be optimised	810	# all those should be optimised
679	sub cf::attachable::detach {	811	sub cf::attachable::detach {
680	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
683	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
684	reattach ($obj);	816	reattach ($obj);
685	} else {	817	} else {
686	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
687	}	819	}
		820	_recalc_want;
688	};	821	};
689		822
690	sub cf::attachable::attached {	823	sub cf::attachable::attached {
691	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
692		825
…		…
757	# object support	890	# object support
758		891
759	sub reattach {	892	sub reattach {
760	# basically do the same as instantiate, without calling instantiate	893	# basically do the same as instantiate, without calling instantiate
761	my ($obj) = @_;	894	my ($obj) = @_;
		895
		896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
762		897
763	my $registry = $obj->registry;	898	my $registry = $obj->registry;
764		899
765	@$registry = ();	900	@$registry = ();
766		901
…		…
813	$filename, length $$rdata, scalar @$objs;	948	$filename, length $$rdata, scalar @$objs;
814		949
815	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
816	chmod SAVE_MODE, $fh;	951	chmod SAVE_MODE, $fh;
817	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
818	aio_fsync $fh;	953	aio_fsync $fh if $cf::USE_FSYNC;
819	close $fh;	954	close $fh;
820		955
821	if (@$objs) {	956	if (@$objs) {
822	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
823	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
824	my $data = Storable::nfreeze { version => 1, objs => $objs };	959	my $data = Storable::nfreeze { version => 1, objs => $objs };
825	aio_write $fh, 0, (length $data), $data, 0;	960	aio_write $fh, 0, (length $data), $data, 0;
826	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	962	close $fh;
828	aio_rename "$filename.pst~", "$filename.pst";	963	aio_rename "$filename.pst~", "$filename.pst";
829	}	964	}
830	} else {	965	} else {
831	aio_unlink "$filename.pst";	966	aio_unlink "$filename.pst";
…		…
863	or return;	998	or return;
864	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
865	}	1000	}
866		1001
867	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
868	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
869	return ($data, $av);	1004	return ($data, $av);
870	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
871		1012
872	#############################################################################	1013	#############################################################################
873	# command handling &c	1014	# command handling &c
874		1015
875	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
888	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
889	}	1030	}
890		1031
891	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
892		1033
893	Register a callbackf ro execution when the client sends an extcmd packet.	1034	Register a callback fro execution when the client sends an extcmd packet.
894		1035
895	If the callback returns something, it is sent back as if reply was being	1036	If the callback returns something, it is sent back as if reply was being
896	called.	1037	called.
897		1038
898	=cut	1039	=cut
899		1040
900	sub register_extcmd {	1041	sub register_extcmd {
901	my ($name, $cb) = @_;	1042	my ($name, $cb) = @_;
902		1043
903	my $caller = caller;
904	#warn "registering extcmd '$name' to '$caller'";
905
906	$EXTCMD{$name} = [$cb, $caller];	1044	$EXTCMD{$name} = $cb;
907	}	1045	}
908		1046
909	cf::player->attach (	1047	cf::player->attach (
910	on_command => sub {	1048	on_command => sub {
911	my ($pl, $name, $params) = @_;	1049	my ($pl, $name, $params) = @_;
…		…
924		1062
925	my $msg = eval { from_json $buf };	1063	my $msg = eval { from_json $buf };
926		1064
927	if (ref $msg) {	1065	if (ref $msg) {
928	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
929	if (my %reply = $cb->[0]->($pl, $msg)) {	1067	if (my %reply = $cb->($pl, $msg)) {
930	$pl->ext_reply ($msg->{msgid}, %reply);	1068	$pl->ext_reply ($msg->{msgid}, %reply);
931	}	1069	}
932	}	1070	}
933	} else {	1071	} else {
934	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
936		1074
937	cf::override;	1075	cf::override;
938	},	1076	},
939	);	1077	);
940		1078
941	sub register {
942	my ($base, $pkg) = @_;
943
944	#TODO
945	}
946
947	sub load_extension {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
		1083	for my $path (<$LIBDIR/*.ext>) {
		1084	next unless -r $path;
		1085
		1086	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1087	my $base = $1;
		1088	my $pkg = $1;
		1089	$pkg =~ s/[^[:word:]]/_/g;
		1090	$pkg = "ext::$pkg";
		1091
		1092	open my $fh, "<:utf8", $path
		1093	or die "$path: $!";
		1094
		1095	my $source = do { local $/; <$fh> };
		1096
		1097	my %ext = (
		1098	path => $path,
		1099	base => $base,
		1100	pkg => $pkg,
		1101	);
		1102
		1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1105
		1106	$ext{source} =
		1107	"package $pkg; use strict; use utf8;\n"
		1108	. "#line 1 \"$path\"\n{\n"
		1109	. $source
		1110	. "\n};\n1";
		1111
		1112	$todo{$base} = \%ext;
		1113	}
		1114
		1115	my %done;
		1116	while (%todo) {
		1117	my $progress;
		1118
		1119	while (my ($k, $v) = each %todo) {
		1120	for (split /,\s*/, $v->{meta}{depends}) {
		1121	goto skip
		1122	unless exists $done{$_};
		1123	}
		1124
		1125	warn "... loading '$k' into '$v->{pkg}'\n";
		1126
		1127	unless (eval $v->{source}) {
		1128	my $msg = $@ ? "$v->{path}: $@\n"
		1129	: "$v->{base}: extension inactive.\n";
		1130
		1131	if (exists $v->{meta}{mandatory}) {
		1132	warn $msg;
		1133	warn "mandatory extension failed to load, exiting.\n";
		1134	exit 1;
		1135	}
		1136
		1137	warn $msg;
		1138	}
		1139
		1140	$done{$k} = delete $todo{$k};
		1141	push @EXTS, $v->{pkg};
		1142	$progress = 1;
		1143	}
		1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
		1149	};
		1150	}
		1151
		1152	#############################################################################
		1153
		1154	=back
		1155
		1156	=head2 CORE EXTENSIONS
		1157
		1158	Functions and methods that extend core crossfire objects.
		1159
		1160	=cut
		1161
		1162	package cf::player;
		1163
		1164	use Coro::AIO;
		1165
		1166	=head3 cf::player
		1167
		1168	=over 4
		1169
		1170	=item cf::player::find $login
		1171
		1172	Returns the given player object, loading it if necessary (might block).
		1173
		1174	=cut
		1175
		1176	sub playerdir($) {
		1177	"$PLAYERDIR/"
		1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1179	}
		1180
		1181	sub path($) {
		1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1183
		1184	(playerdir $login) . "/playerdata"
		1185	}
		1186
		1187	sub find_active($) {
		1188	$cf::PLAYER{$_[0]}
		1189	and $cf::PLAYER{$_[0]}->active
		1190	and $cf::PLAYER{$_[0]}
		1191	}
		1192
		1193	sub exists($) {
		1194	my ($login) = @_;
		1195
		1196	$cf::PLAYER{$login}
		1197	or cf::sync_job { !aio_stat path $login }
		1198	}
		1199
		1200	sub find($) {
		1201	return $cf::PLAYER{$_[0]} || do {
		1202	my $login = $_[0];
		1203
		1204	my $guard = cf::lock_acquire "user_find:$login";
		1205
		1206	$cf::PLAYER{$_[0]} || do {
		1207	# rename old playerfiles to new ones
		1208	#TODO: remove when no longer required
		1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1212	aio_unlink +(playerdir $login) . "/$login.pl";
		1213
		1214	my $pl = load_pl path $login
		1215	or return;
		1216	$cf::PLAYER{$login} = $pl
		1217	}
		1218	}
		1219	}
		1220
		1221	sub save($) {
		1222	my ($pl) = @_;
		1223
		1224	return if $pl->{deny_save};
		1225
		1226	my $path = path $pl;
		1227	my $guard = cf::lock_acquire "user_save:$path";
		1228
		1229	return if $pl->{deny_save};
		1230
		1231	aio_mkdir playerdir $pl, 0770;
		1232	$pl->{last_save} = $cf::RUNTIME;
		1233
		1234	$pl->save_pl ($path);
		1235	Coro::cede;
		1236	}
		1237
		1238	sub new($) {
		1239	my ($login) = @_;
		1240
		1241	my $self = create;
		1242
		1243	$self->ob->name ($login);
		1244	$self->{deny_save} = 1;
		1245
		1246	$cf::PLAYER{$login} = $self;
		1247
		1248	$self
		1249	}
		1250
		1251	=item $pl->quit_character
		1252
		1253	Nukes the player without looking back. If logged in, the connection will
		1254	be destroyed. May block for a long time.
		1255
		1256	=cut
		1257
		1258	sub quit_character {
		1259	my ($pl) = @_;
		1260
		1261	my $name = $pl->ob->name;
		1262
		1263	$pl->{deny_save} = 1;
		1264	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1265
		1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1267	$pl->deactivate;
		1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1269	$pl->ns->destroy if $pl->ns;
		1270
		1271	my $path = playerdir $pl;
		1272	my $temp = "$path~$cf::RUNTIME~deleting~";
		1273	aio_rename $path, $temp;
		1274	delete $cf::PLAYER{$pl->ob->name};
		1275	$pl->destroy;
		1276
		1277	my $prefix = qr<^~\Q$name\E/>;
		1278
		1279	# nuke player maps
		1280	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1281
		1282	IO::AIO::aio_rmtree $temp;
		1283	}
		1284
		1285	=item $pl->kick
		1286
		1287	Kicks a player out of the game. This destroys the connection.
		1288
		1289	=cut
		1290
		1291	sub kick {
		1292	my ($pl, $kicker) = @_;
		1293
		1294	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1295	$pl->killer ("kicked");
		1296	$pl->ns->destroy;
		1297	}
		1298
		1299	=item cf::player::list_logins
		1300
		1301	Returns am arrayref of all valid playernames in the system, can take a
		1302	while and may block, so not sync_job-capable, ever.
		1303
		1304	=cut
		1305
		1306	sub list_logins {
		1307	my $dirs = aio_readdir $PLAYERDIR
		1308	or return [];
		1309
		1310	my @logins;
		1311
		1312	for my $login (@$dirs) {
		1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1314	aio_read $fh, 0, 512, my $buf, 0 or next;
		1315	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1316
		1317	utf8::decode $login;
		1318	push @logins, $login;
		1319	}
		1320
		1321	\@logins
		1322	}
		1323
		1324	=item $player->maps
		1325
		1326	Returns an arrayref of map paths that are private for this
		1327	player. May block.
		1328
		1329	=cut
		1330
		1331	sub maps($) {
		1332	my ($pl) = @_;
		1333
		1334	$pl = ref $pl ? $pl->ob->name : $pl;
		1335
		1336	my $files = aio_readdir playerdir $pl
		1337	or return;
		1338
		1339	my @paths;
		1340
		1341	for (@$files) {
		1342	utf8::decode $_;
		1343	next if /\.(?:pl|pst)$/;
		1344	next unless /^$PATH_SEP/o;
		1345
		1346	push @paths, cf::map::normalise "~$pl/$_";
		1347	}
		1348
		1349	\@paths
		1350	}
		1351
		1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1353
		1354	Expand crossfire pod fragments into protocol xml.
		1355
		1356	=cut
		1357
		1358	sub expand_cfpod {
		1359	((my $self), (local $_)) = @_;
		1360
		1361	# escape & and <
		1362	s/&/&amp;/g;
		1363	s/(?<![BIUGH])</&lt;/g;
		1364
		1365	# this is buggy, it needs to properly take care of nested <'s
		1366
		1367	1 while
		1368	# replace B<>, I<>, U<> etc.
		1369	s/B<([^\>]*)>/<b>$1<\/b>/
		1370	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1371	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1372	# replace G<male|female> tags
		1373	|| s{G<([^>|]*)\|([^>]*)>}{
		1374	$self->gender ? $2 : $1
		1375	}ge
		1376	# replace H<hint text>
		1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
		1378
		1379	# create single paragraphs (very hackish)
		1380	s/(?<=\S)\n(?=\w)/ /g;
		1381
		1382	$_
		1383	}
		1384
		1385	=item $player->ext_reply ($msgid, %msg)
		1386
		1387	Sends an ext reply to the player.
		1388
		1389	=cut
		1390
		1391	sub ext_reply($$%) {
		1392	my ($self, $id, %msg) = @_;
		1393
		1394	$msg{msgid} = $id;
		1395
		1396	$self->send ("ext " . cf::to_json \%msg);
		1397	}
		1398
		1399	=item $player->ext_event ($type, %msg)
		1400
		1401	Sends an ext event to the client.
		1402
		1403	=cut
		1404
		1405	sub ext_event($$%) {
		1406	my ($self, $type, %msg) = @_;
		1407
		1408	$self->ns->ext_event ($type, %msg);
		1409	}
		1410
		1411	=head3 cf::region
		1412
		1413	=over 4
		1414
		1415	=cut
		1416
		1417	package cf::region;
		1418
		1419	=item cf::region::find_by_path $path
		1420
		1421	Tries to decuce the likely region for a map knowing only its path.
		1422
		1423	=cut
		1424
		1425	sub find_by_path($) {
948	my ($path) = @_;	1426	my ($path) = @_;
949		1427
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1428	my ($match, $specificity);
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955		1429
956	warn "loading '$path' into '$pkg'\n";	1430	for my $region (list) {
957		1431	if ($region->match && $path =~ $region->match) {
958	open my $fh, "<:utf8", $path	1432	($match, $specificity) = ($region, $region->specificity)
959	or die "$path: $!";	1433	if $region->specificity > $specificity;
960		1434	}
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	eval $source
968	or die $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970
971	push @exts, $pkg;
972	$ext_pkg{$base} = $pkg;
973
974	# no strict 'refs';
975	# @{"$pkg\::ISA"} = ext::;
976
977	register $base, $pkg;
978	}
979
980	sub unload_extension {
981	my ($pkg) = @_;
982
983	warn "removing extension $pkg\n";
984
985	# remove hooks
986	#TODO
987	# for my $idx (0 .. $#PLUGIN_EVENT) {
988	# delete $hook[$idx]{$pkg};
989	# }	1435	}
990		1436
991	# remove commands	1437	$match
992	for my $name (keys %COMMAND) {
993	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
994
995	if (@cb) {
996	$COMMAND{$name} = \@cb;
997	} else {
998	delete $COMMAND{$name};
999	}
1000	}
1001
1002	# remove extcmds
1003	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1004	delete $EXTCMD{$name};
1005	}
1006
1007	if (my $cb = $pkg->can ("unload")) {
1008	eval {
1009	$cb->($pkg);
1010	1
1011	} or warn "$pkg unloaded, but with errors: $@";
1012	}
1013
1014	Symbol::delete_package $pkg;
1015	}
1016
1017	sub load_extensions {
1018	for my $ext (<$LIBDIR/*.ext>) {
1019	next unless -r $ext;
1020	eval {
1021	load_extension $ext;
1022	1
1023	} or warn "$ext not loaded: $@";
1024	}
1025	}
1026
1027	#############################################################################
1028	# load/save/clean perl data associated with a map
1029
1030	*cf::mapsupport::on_clean = sub {
1031	my ($map) = @_;
1032
1033	my $path = $map->tmpname;
1034	defined $path or return;
1035
1036	unlink "$path.pst";
1037	};
1038
1039	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1040
1041	#############################################################################
1042	# load/save perl data associated with player->ob objects
1043
1044	sub all_objects(@) {
1045	@_, map all_objects ($_->inv), @_
1046	}
1047
1048	# TODO: compatibility cruft, remove when no longer needed
1049	cf::player->attach (
1050	on_load => sub {
1051	my ($pl, $path) = @_;
1052
1053	for my $o (all_objects $pl->ob) {
1054	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1055	$o->set_ob_key_value ("_perl_data");
1056
1057	%$o = %{ Storable::thaw pack "H*", $value };
1058	}
1059	}
1060	},
1061	);
1062
1063	#############################################################################
1064
1065	=head2 CORE EXTENSIONS
1066
1067	Functions and methods that extend core crossfire objects.
1068
1069	=head3 cf::player
1070
1071	=over 4
1072
1073	=item cf::player::exists $login
1074
1075	Returns true when the given account exists.
1076
1077	=cut
1078
1079	sub cf::player::exists($) {
1080	cf::player::find $_[0]
1081	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1082	}
1083
1084	=item $player->ext_reply ($msgid, $msgtype, %msg)
1085
1086	Sends an ext reply to the player.
1087
1088	=cut
1089
1090	sub cf::player::ext_reply($$$%) {
1091	my ($self, $id, %msg) = @_;
1092
1093	$msg{msgid} = $id;
1094
1095	$self->send ("ext " . to_json \%msg);
1096	}	1438	}
1097		1439
1098	=back	1440	=back
1099
1100		1441
1101	=head3 cf::map	1442	=head3 cf::map
1102		1443
1103	=over 4	1444	=over 4
1104		1445
…		…
1107	package cf::map;	1448	package cf::map;
1108		1449
1109	use Fcntl;	1450	use Fcntl;
1110	use Coro::AIO;	1451	use Coro::AIO;
1111		1452
		1453	use overload
		1454	'""' => \&as_string,
		1455	fallback => 1;
		1456
1112	our $MAX_RESET = 3600;	1457	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1458	our $DEFAULT_RESET = 3000;
1114		1459
1115	sub generate_random_map {	1460	sub generate_random_map {
1116	my ($path, $rmp) = @_;	1461	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1462	# mit "rum" bekleckern, nicht
1119	cf::map::_create_random_map	1463	$self->_create_random_map (
1120	$path,
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},	1467	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},	1468	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1469	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1470	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1471	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1472	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1473	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(cf::region::find $rmp->{region})	1474	(cf::region::find $rmp->{region}), $rmp->{custom}
		1475	)
		1476	}
		1477
		1478	=item cf::map->register ($regex, $prio)
		1479
		1480	Register a handler for the map path matching the given regex at the
		1481	givne priority (higher is better, built-in handlers have priority 0, the
		1482	default).
		1483
		1484	=cut
		1485
		1486	sub register {
		1487	my (undef, $regex, $prio) = @_;
		1488	my $pkg = caller;
		1489
		1490	no strict;
		1491	push @{"$pkg\::ISA"}, __PACKAGE__;
		1492
		1493	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1494	}
		1495
		1496	# also paths starting with '/'
		1497	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1498
		1499	sub thawer_merge {
		1500	my ($self, $merge) = @_;
		1501
		1502	# we have to keep some variables in memory intact
		1503	local $self->{path};
		1504	local $self->{load_path};
		1505
		1506	$self->SUPER::thawer_merge ($merge);
		1507	}
		1508
		1509	sub normalise {
		1510	my ($path, $base) = @_;
		1511
		1512	$path = "$path"; # make sure its a string
		1513
		1514	$path =~ s/\.map$//;
		1515
		1516	# map plan:
		1517	#
		1518	# /! non-realised random map exit (special hack!)
		1519	# {... are special paths that are not being touched
		1520	# ?xxx/... are special absolute paths
		1521	# ?random/... random maps
		1522	# /... normal maps
		1523	# ~user/... per-player map of a specific user
		1524
		1525	$path =~ s/$PATH_SEP/\//go;
		1526
		1527	# treat it as relative path if it starts with
		1528	# something that looks reasonable
		1529	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1530	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1531
		1532	$base =~ s{[^/]+/?$}{};
		1533	$path = "$base/$path";
		1534	}
		1535
		1536	for ($path) {
		1537	redo if s{//}{/};
		1538	redo if s{/\.?/}{/};
		1539	redo if s{/[^/]+/\.\./}{/};
		1540	}
		1541
		1542	$path
		1543	}
		1544
		1545	sub new_from_path {
		1546	my (undef, $path, $base) = @_;
		1547
		1548	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1549
		1550	$path = normalise $path, $base;
		1551
		1552	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1553	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1554	my $self = bless cf::map::new, $pkg;
		1555	$self->{path} = $path; $self->path ($path);
		1556	$self->init; # pass $1 etc.
		1557	return $self;
		1558	}
		1559	}
		1560
		1561	Carp::carp "unable to resolve path '$path' (base '$base').";
		1562	()
		1563	}
		1564
		1565	sub init {
		1566	my ($self) = @_;
		1567
		1568	$self
		1569	}
		1570
		1571	sub as_string {
		1572	my ($self) = @_;
		1573
		1574	"$self->{path}"
		1575	}
		1576
		1577	# the displayed name, this is a one way mapping
		1578	sub visible_name {
		1579	&as_string
		1580	}
		1581
		1582	# the original (read-only) location
		1583	sub load_path {
		1584	my ($self) = @_;
		1585
		1586	"$MAPDIR/$self->{path}.map"
		1587	}
		1588
		1589	# the temporary/swap location
		1590	sub save_path {
		1591	my ($self) = @_;
		1592
		1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1594	"$TMPDIR/$path.map"
		1595	}
		1596
		1597	# the unique path, undef == no special unique path
		1598	sub uniq_path {
		1599	my ($self) = @_;
		1600
		1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1602	"$UNIQUEDIR/$path"
1132	}	1603	}
1133		1604
1134	# and all this just because we cannot iterate over	1605	# and all this just because we cannot iterate over
1135	# all maps in C++...	1606	# all maps in C++...
1136	sub change_all_map_light {	1607	sub change_all_map_light {
…		…
1138		1609
1139	$_->change_map_light ($change)	1610	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1611	for grep $_->outdoor, values %cf::MAP;
1141	}	1612	}
1142		1613
		1614	sub decay_objects {
		1615	my ($self) = @_;
		1616
		1617	return if $self->{deny_reset};
		1618
		1619	$self->do_decay_objects;
		1620	}
		1621
		1622	sub unlink_save {
		1623	my ($self) = @_;
		1624
		1625	utf8::encode (my $save = $self->save_path);
		1626	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1627	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1628	}
		1629
1143	sub try_load_header($) {	1630	sub load_header_from($) {
1144	my ($path) = @_;	1631	my ($self, $path) = @_;
1145		1632
1146	utf8::encode $path;	1633	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1634	#aio_open $path, O_RDONLY, 0
		1635	# or return;
		1636
		1637	$self->_load_header ($path)
1148	or return;	1638	or return;
1149		1639
1150	my $map = cf::map::new	1640	$self->{load_path} = $path;
		1641
		1642	1
		1643	}
		1644
		1645	sub load_header_orig {
		1646	my ($self) = @_;
		1647
		1648	$self->load_header_from ($self->load_path)
		1649	}
		1650
		1651	sub load_header_temp {
		1652	my ($self) = @_;
		1653
		1654	$self->load_header_from ($self->save_path)
		1655	}
		1656
		1657	sub prepare_temp {
		1658	my ($self) = @_;
		1659
		1660	$self->last_access ((delete $self->{last_access})
		1661	|| $cf::RUNTIME); #d#
		1662	# safety
		1663	$self->{instantiate_time} = $cf::RUNTIME
		1664	if $self->{instantiate_time} > $cf::RUNTIME;
		1665	}
		1666
		1667	sub prepare_orig {
		1668	my ($self) = @_;
		1669
		1670	$self->{load_original} = 1;
		1671	$self->{instantiate_time} = $cf::RUNTIME;
		1672	$self->last_access ($cf::RUNTIME);
		1673	$self->instantiate;
		1674	}
		1675
		1676	sub load_header {
		1677	my ($self) = @_;
		1678
		1679	if ($self->load_header_temp) {
		1680	$self->prepare_temp;
		1681	} else {
		1682	$self->load_header_orig
1151	or return;	1683	or return;
		1684	$self->prepare_orig;
		1685	}
1152		1686
1153	# for better error messages only, will be overwritten	1687	$self->{deny_reset} = 1
1154	$map->path ($path);	1688	if $self->no_reset;
1155		1689
1156	$map->load_header ($path)	1690	$self->default_region (cf::region::find_by_path $self->{path})
1157	or return;	1691	unless $self->default_region;
1158		1692
1159	$map->{load_path} = $path;	1693	1
1160
1161	$map
1162	}	1694	}
1163		1695
1164	sub find;	1696	sub find;
1165	sub find {	1697	sub find {
1166	my ($path, $origin) = @_;	1698	my ($path, $origin) = @_;
1167		1699
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1700	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1701
1173	cf::lock_wait "map_find:$key";	1702	cf::lock_wait "map_find:$path";
1174		1703
1175	$cf::MAP{$key} || do {	1704	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1705	my $guard = cf::lock_acquire "map_find:$path";
1177		1706	my $map = new_from_path cf::map $path
1178	# do it the slow way
1179	my $map = try_load_header $path->save_path;
1180
1181	Coro::cede;
1182
1183	if ($map) {
1184	$map->last_access ((delete $map->{last_access})
1185	|| $cf::RUNTIME); #d#
1186	# safety
1187	$map->{instantiate_time} = $cf::RUNTIME
1188	if $map->{instantiate_time} > $cf::RUNTIME;
1189	} else {
1190	if (my $rmp = $path->random_map_params) {
1191	$map = generate_random_map $key, $rmp;
1192	} else {
1193	$map = try_load_header $path->load_path;
1194	}
1195
1196	$map or return;	1707	or return;
1197		1708
1198	$map->{load_original} = 1;
1199	$map->{instantiate_time} = $cf::RUNTIME;
1200	$map->last_access ($cf::RUNTIME);
1201	$map->instantiate;
1202
1203	# per-player maps become, after loading, normal maps
1204	$map->per_player (0) if $path->{user_rel};
1205	}
1206
1207	$map->path ($key);
1208	$map->{path} = $path;
1209	$map->{last_save} = $cf::RUNTIME;	1709	$map->{last_save} = $cf::RUNTIME;
1210		1710
1211	Coro::cede;	1711	$map->load_header
		1712	or return;
1212		1713
1213	if ($map->should_reset) {	1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1715	# doing this can freeze the server in a sync job, obviously
		1716	#$cf::WAIT_FOR_TICK->wait;
1214	$map->reset;	1717	$map->reset;
1215	undef $guard;	1718	undef $guard;
1216	$map = find $path	1719	return find $path;
1217	or return;
1218	}	1720	}
1219		1721
1220	$cf::MAP{$key} = $map	1722	$cf::MAP{$path} = $map
1221	}	1723	}
1222	}	1724	}
		1725
		1726	sub pre_load { }
		1727	sub post_load { }
1223		1728
1224	sub load {	1729	sub load {
1225	my ($self) = @_;	1730	my ($self) = @_;
1226		1731
		1732	local $self->{deny_reset} = 1; # loading can take a long time
		1733
1227	my $path = $self->{path};	1734	my $path = $self->{path};
		1735
		1736	{
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1737	my $guard = cf::lock_acquire "map_load:$path";
1229		1738
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1739	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1740
1232	$self->in_memory (cf::MAP_LOADING);	1741	$self->in_memory (cf::MAP_LOADING);
1233		1742
1234	$self->alloc;	1743	$self->alloc;
		1744
		1745	$self->pre_load;
		1746	Coro::cede;
		1747
1235	$self->load_objects ($self->{load_path}, 1)	1748	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1749	or return;
1237		1750
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1752	if delete $self->{load_original};
1240		1753
1241	if (my $uniq = $path->uniq_path) {	1754	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1755	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1756	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1757	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1758	$self->_load_objects ($uniq, 0);
1246	}	1759	}
1247	}	1760	}
1248		1761
1249	Coro::cede;	1762	Coro::cede;
1250
1251	# now do the right thing for maps	1763	# now do the right thing for maps
1252	$self->link_multipart_objects;	1764	$self->link_multipart_objects;
1253
1254	if ($self->{path}->is_style_map) {
1255	$self->{deny_save} = 1;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;
1261	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	1765	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1766	unless $self->difficulty;
		1767	Coro::cede;
		1768
		1769	unless ($self->{deny_activate}) {
		1770	$self->decay_objects;
		1771	$self->fix_auto_apply;
		1772	$self->update_buttons;
		1773	Coro::cede;
		1774	$self->set_darkness_map;
		1775	Coro::cede;
1264	$self->activate;	1776	$self->activate;
1265	}	1777	}
1266		1778
1267	Coro::cede;
1268
1269	$self->in_memory (cf::MAP_IN_MEMORY);	1779	$self->in_memory (cf::MAP_IN_MEMORY);
		1780	}
		1781
		1782	$self->post_load;
		1783	}
		1784
		1785	sub customise_for {
		1786	my ($self, $ob) = @_;
		1787
		1788	return find "~" . $ob->name . "/" . $self->{path}
		1789	if $self->per_player;
		1790
		1791	# return find "?party/" . $ob->name . "/" . $self->{path}
		1792	# if $self->per_party;
		1793
		1794	$self
		1795	}
		1796
		1797	# find and load all maps in the 3x3 area around a map
		1798	sub load_diag {
		1799	my ($map) = @_;
		1800
		1801	my @diag; # diagonal neighbours
		1802
		1803	for (0 .. 3) {
		1804	my $neigh = $map->tile_path ($_)
		1805	or next;
		1806	$neigh = find $neigh, $map
		1807	or next;
		1808	$neigh->load;
		1809
		1810	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1811	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1812	}
		1813
		1814	for (@diag) {
		1815	my $neigh = find @$_
		1816	or next;
		1817	$neigh->load;
		1818	}
1270	}	1819	}
1271		1820
1272	sub find_sync {	1821	sub find_sync {
1273	my ($path, $origin) = @_;	1822	my ($path, $origin) = @_;
1274		1823
1275	cf::sync_job {	1824	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1825	}
1280		1826
1281	sub do_load_sync {	1827	sub do_load_sync {
1282	my ($map) = @_;	1828	my ($map) = @_;
1283		1829
1284	cf::sync_job { $map->load };	1830	cf::sync_job { $map->load };
1285	}	1831	}
1286		1832
		1833	our %MAP_PREFETCH;
		1834	our $MAP_PREFETCHER = undef;
		1835
		1836	sub find_async {
		1837	my ($path, $origin) = @_;
		1838
		1839	$path = normalise $path, $origin && $origin->{path};
		1840
		1841	if (my $map = $cf::MAP{$path}) {
		1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1843	}
		1844
		1845	undef $MAP_PREFETCH{$path};
		1846	$MAP_PREFETCHER ||= cf::async {
		1847	while (%MAP_PREFETCH) {
		1848	for my $path (keys %MAP_PREFETCH) {
		1849	my $map = find $path
		1850	or next;
		1851	$map->load;
		1852
		1853	delete $MAP_PREFETCH{$path};
		1854	}
		1855	}
		1856	undef $MAP_PREFETCHER;
		1857	};
		1858	$MAP_PREFETCHER->prio (6);
		1859
		1860	()
		1861	}
		1862
1287	sub save {	1863	sub save {
1288	my ($self) = @_;	1864	my ($self) = @_;
1289		1865
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	1866	my $lock = cf::lock_acquire "map_data:" . $self->path;
1291		1867
1292	$self->{last_save} = $cf::RUNTIME;	1868	$self->{last_save} = $cf::RUNTIME;
1293		1869
1294	return unless $self->dirty;	1870	return unless $self->dirty;
1295		1871
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1872	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1873	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1874
1299	$self->{load_path} = $save;	1875	$self->{load_path} = $save;
1300		1876
1301	return if $self->{deny_save};	1877	return if $self->{deny_save};
1302		1878
1303	local $self->{last_access} = $self->last_access;#d#	1879	local $self->{last_access} = $self->last_access;#d#
1304		1880
		1881	cf::async {
		1882	$_->contr->save for $self->players;
		1883	};
		1884
1305	if ($uniq) {	1885	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1888	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1889	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1890	}
1311	}	1891	}
1312		1892
1313	sub swap_out {	1893	sub swap_out {
1314	my ($self) = @_;	1894	my ($self) = @_;
…		…
1328		1908
1329	sub reset_at {	1909	sub reset_at {
1330	my ($self) = @_;	1910	my ($self) = @_;
1331		1911
1332	# TODO: safety, remove and allow resettable per-player maps	1912	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};
1334	return 1e99 if $self->{deny_reset};	1913	return 1e99 if $self->{deny_reset};
1335		1914
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1915	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1916	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		1917
…		…
1343	my ($self) = @_;	1922	my ($self) = @_;
1344		1923
1345	$self->reset_at <= $cf::RUNTIME	1924	$self->reset_at <= $cf::RUNTIME
1346	}	1925	}
1347		1926
1348	sub unlink_save {
1349	my ($self) = @_;
1350
1351	utf8::encode (my $save = $self->{path}->save_path);
1352	aioreq_pri 3; IO::AIO::aio_unlink $save;
1353	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1354	}
1355
1356	sub rename {
1357	my ($self, $new_path) = @_;
1358
1359	$self->unlink_save;
1360
1361	delete $cf::MAP{$self->path};
1362	$self->{path} = new cf::path $new_path;
1363	$self->path ($self->{path}->as_string);
1364	$cf::MAP{$self->path} = $self;
1365
1366	$self->save;
1367	}
1368
1369	sub reset {	1927	sub reset {
1370	my ($self) = @_;	1928	my ($self) = @_;
1371		1929
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	1930	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		1931
1374	return if $self->players;	1932	return if $self->players;
1375	return if $self->{path}{user_rel};#d#
1376		1933
1377	warn "resetting map ", $self->path;#d#	1934	warn "resetting map ", $self->path;
		1935
		1936	$self->in_memory (cf::MAP_SWAPPED);
		1937
		1938	# need to save uniques path
		1939	unless ($self->{deny_save}) {
		1940	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1941
		1942	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1943	if $uniq;
		1944	}
1378		1945
1379	delete $cf::MAP{$self->path};	1946	delete $cf::MAP{$self->path};
		1947
		1948	$self->clear;
1380		1949
1381	$_->clear_links_to ($self) for values %cf::MAP;	1950	$_->clear_links_to ($self) for values %cf::MAP;
1382		1951
1383	$self->unlink_save;	1952	$self->unlink_save;
1384	$self->destroy;	1953	$self->destroy;
…		…
1387	my $nuke_counter = "aaaa";	1956	my $nuke_counter = "aaaa";
1388		1957
1389	sub nuke {	1958	sub nuke {
1390	my ($self) = @_;	1959	my ($self) = @_;
1391		1960
		1961	delete $cf::MAP{$self->path};
		1962
		1963	$self->unlink_save;
		1964
		1965	bless $self, "cf::map";
		1966	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	1967	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	1968	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1970
		1971	$cf::MAP{$self->path} = $self;
		1972
1395	$self->reset; # polite request, might not happen	1973	$self->reset; # polite request, might not happen
1396	}	1974	}
1397		1975
1398	sub customise_for {	1976	=item $maps = cf::map::tmp_maps
1399	my ($map, $ob) = @_;
1400		1977
1401	if ($map->per_player) {	1978	Returns an arrayref with all map paths of currently instantiated and saved
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1979	maps. May block.
		1980
		1981	=cut
		1982
		1983	sub tmp_maps() {
1403	}	1984	[
1404		1985	map {
1405	$map	1986	utf8::decode $_;
		1987	/\.map$/
		1988	? normalise $_
		1989	: ()
		1990	} @{ aio_readdir $TMPDIR or [] }
		1991	]
1406	}	1992	}
1407		1993
1408	sub emergency_save {	1994	=item $maps = cf::map::random_maps
1409	my $freeze_guard = cf::freeze_mainloop;
1410		1995
1411	warn "enter emergency map save\n";	1996	Returns an arrayref with all map paths of currently instantiated and saved
		1997	random maps. May block.
1412		1998
1413	cf::sync_job {	1999	=cut
1414	warn "begin emergency map save\n";
1415	$_->save for values %cf::MAP;
1416	};
1417		2000
1418	warn "end emergency map save\n";	2001	sub random_maps() {
		2002	[
		2003	map {
		2004	utf8::decode $_;
		2005	/\.map$/
		2006	? normalise "?random/$_"
		2007	: ()
		2008	} @{ aio_readdir $RANDOMDIR or [] }
		2009	]
		2010	}
		2011
		2012	=item cf::map::unique_maps
		2013
		2014	Returns an arrayref of paths of all shared maps that have
		2015	instantiated unique items. May block.
		2016
		2017	=cut
		2018
		2019	sub unique_maps() {
		2020	[
		2021	map {
		2022	utf8::decode $_;
		2023	/\.map$/
		2024	? normalise $_
		2025	: ()
		2026	} @{ aio_readdir $UNIQUEDIR or [] }
		2027	]
1419	}	2028	}
1420		2029
1421	package cf;	2030	package cf;
1422		2031
1423	=back	2032	=back
1424		2033
		2034	=head3 cf::object
		2035
		2036	=cut
		2037
		2038	package cf::object;
		2039
		2040	=over 4
		2041
		2042	=item $ob->inv_recursive
		2043
		2044	Returns the inventory of the object _and_ their inventories, recursively.
		2045
		2046	=cut
		2047
		2048	sub inv_recursive_;
		2049	sub inv_recursive_ {
		2050	map { $_, inv_recursive_ $_->inv } @_
		2051	}
		2052
		2053	sub inv_recursive {
		2054	inv_recursive_ inv $_[0]
		2055	}
		2056
		2057	package cf;
		2058
		2059	=back
1425		2060
1426	=head3 cf::object::player	2061	=head3 cf::object::player
1427		2062
1428	=over 4	2063	=over 4
1429		2064
…		…
1443		2078
1444	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2079	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1445		2080
1446	if ($self->{record_replies}) {	2081	if ($self->{record_replies}) {
1447	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2082	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2083
1448	} else {	2084	} else {
		2085	my $pl = $self->contr;
		2086
		2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2088	my $diag = $pl->{npc_dialog};
		2089	$diag->{pl}->ext_reply (
		2090	$diag->{id},
		2091	msgtype => "reply",
		2092	msg => $diag->{pl}->expand_cfpod ($msg),
		2093	add_topics => []
		2094	);
		2095
		2096	} else {
1449	$msg = $npc->name . " says: $msg" if $npc;	2097	$msg = $npc->name . " says: $msg" if $npc;
1450	$self->message ($msg, $flags);	2098	$self->message ($msg, $flags);
		2099	}
1451	}	2100	}
1452	}	2101	}
1453		2102
1454	=item $player_object->may ("access")	2103	=item $player_object->may ("access")
1455		2104
…		…
1469		2118
1470	=item $player_object->enter_link	2119	=item $player_object->enter_link
1471		2120
1472	Freezes the player and moves him/her to a special map (C<{link}>).	2121	Freezes the player and moves him/her to a special map (C<{link}>).
1473		2122
1474	The player should be reaosnably safe there for short amounts of time. You	2123	The player should be reasonably safe there for short amounts of time. You
1475	I<MUST> call C<leave_link> as soon as possible, though.	2124	I<MUST> call C<leave_link> as soon as possible, though.
1476		2125
		2126	Will never block.
		2127
1477	=item $player_object->leave_link ($map, $x, $y)	2128	=item $player_object->leave_link ($map, $x, $y)
1478		2129
1479	Moves the player out of the specila link map onto the given map. If the	2130	Moves the player out of the special C<{link}> map onto the specified
1480	map is not valid (or omitted), the player will be moved back to the	2131	map. If the map is not valid (or omitted), the player will be moved back
1481	location he/she was before the call to C<enter_link>, or, if that fails,	2132	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	2133	fails, to the emergency map position.
1483		2134
1484	Might block.	2135	Might block.
1485		2136
1486	=cut	2137	=cut
		2138
		2139	sub link_map {
		2140	unless ($LINK_MAP) {
		2141	$LINK_MAP = cf::map::find "{link}"
		2142	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2143	$LINK_MAP->load;
		2144	}
		2145
		2146	$LINK_MAP
		2147	}
1487		2148
1488	sub cf::object::player::enter_link {	2149	sub cf::object::player::enter_link {
1489	my ($self) = @_;	2150	my ($self) = @_;
1490		2151
1491	$self->deactivate_recursive;	2152	$self->deactivate_recursive;
1492		2153
1493	return if $self->map == $LINK_MAP;	2154	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		2155
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	2157	if $self->map && $self->map->{path} ne "{link}";
1497		2158
1498	$self->enter_map ($LINK_MAP, 20, 20);	2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1499	}	2160	}
1500		2161
1501	sub cf::object::player::leave_link {	2162	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	2163	my ($self, $map, $x, $y) = @_;
		2164
		2165	return unless $self->contr->active;
1503		2166
1504	my $link_pos = delete $self->{_link_pos};	2167	my $link_pos = delete $self->{_link_pos};
1505		2168
1506	unless ($map) {	2169	unless ($map) {
1507	# restore original map position	2170	# restore original map position
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	2184	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	2185	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	2186	if $x <=0 && $y <= 0;
1524		2187
1525	$map->load;	2188	$map->load;
		2189	$map->load_diag;
1526		2190
		2191	return unless $self->contr->active;
1527	$self->activate_recursive;	2192	$self->activate_recursive;
		2193
		2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1528	$self->enter_map ($map, $x, $y);	2195	$self->enter_map ($map, $x, $y);
1529	}	2196	}
1530		2197
1531	cf::player->attach (
1532	on_logout => sub {
1533	my ($pl) = @_;
1534
1535	# abort map switching before logout
1536	if ($pl->ob->{_link_pos}) {
1537	cf::sync_job {
1538	$pl->ob->leave_link
1539	};
1540	}
1541	},
1542	on_login => sub {
1543	my ($pl) = @_;
1544
1545	# try to abort aborted map switching on player login :)
1546	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {
1548
1549	$pl->ob->enter_link;
1550	(Coro::async_pool {
1551	# we need this sleep as the login has a concurrent enter_exit running
1552	# and this sleep increases chances of the player not ending up in scorn
1553	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;
1555	})->prio (2);
1556	}
1557	},
1558	);
1559
1560	=item $player_object->goto ($path, $x, $y)	2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1561		2199
		2200	Moves the player to the given map-path and coordinates by first freezing
		2201	her, loading and preparing them map, calling the provided $check callback
		2202	that has to return the map if sucecssful, and then unfreezes the player on
		2203	the new (success) or old (failed) map position.
		2204
1562	=cut	2205	=cut
		2206
		2207	our $GOTOGEN;
1563		2208
1564	sub cf::object::player::goto {	2209	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	2210	my ($self, $path, $x, $y, $check) = @_;
		2211
		2212	# do generation counting so two concurrent goto's will be executed in-order
		2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1566		2214
1567	$self->enter_link;	2215	$self->enter_link;
1568		2216
1569	(Coro::async_pool {	2217	(async {
1570	$path = new cf::path $path;	2218	my $map = eval {
1571
1572	my $map = cf::map::find $path->as_string;	2219	my $map = cf::map::find $path;
		2220
		2221	if ($map) {
1573	$map = $map->customise_for ($self) if $map;	2222	$map = $map->customise_for ($self);
1574		2223	$map = $check->($map) if $check && $map;
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	2224	} else {
1576	# if $map;
1577
1578	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2226	}
1579		2227
		2228	$map
		2229	};
		2230
		2231	if ($@) {
		2232	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2233	LOG llevError | logBacktrace, Carp::longmess $@;
		2234	}
		2235
		2236	if ($gen == $self->{_goto_generation}) {
		2237	delete $self->{_goto_generation};
1580	$self->leave_link ($map, $x, $y);	2238	$self->leave_link ($map, $x, $y);
		2239	}
1581	})->prio (1);	2240	})->prio (1);
1582	}	2241	}
1583		2242
1584	=item $player_object->enter_exit ($exit_object)	2243	=item $player_object->enter_exit ($exit_object)
1585		2244
…		…
1587		2246
1588	sub parse_random_map_params {	2247	sub parse_random_map_params {
1589	my ($spec) = @_;	2248	my ($spec) = @_;
1590		2249
1591	my $rmp = { # defaults	2250	my $rmp = { # defaults
1592	xsize => 10,	2251	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	2252	ysize => (cf::rndm 15, 40),
		2253	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2254	#layout => string,
1594	};	2255	};
1595		2256
1596	for (split /\n/, $spec) {	2257	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	2258	my ($k, $v) = split /\s+/, $_, 2;
1598		2259
…		…
1602	$rmp	2263	$rmp
1603	}	2264	}
1604		2265
1605	sub prepare_random_map {	2266	sub prepare_random_map {
1606	my ($exit) = @_;	2267	my ($exit) = @_;
		2268
		2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
1607		2270
1608	# all this does is basically replace the /! path by	2271	# all this does is basically replace the /! path by
1609	# a new random map path (?random/...) with a seed	2272	# a new random map path (?random/...) with a seed
1610	# that depends on the exit object	2273	# that depends on the exit object
1611		2274
1612	my $rmp = parse_random_map_params $exit->msg;	2275	my $rmp = parse_random_map_params $exit->msg;
1613		2276
1614	if ($exit->map) {	2277	if ($exit->map) {
1615	$rmp->{region} = $exit->map->region_name;	2278	$rmp->{region} = $exit->region->name;
1616	$rmp->{origin_map} = $exit->map->path;	2279	$rmp->{origin_map} = $exit->map->path;
1617	$rmp->{origin_x} = $exit->x;	2280	$rmp->{origin_x} = $exit->x;
1618	$rmp->{origin_y} = $exit->y;	2281	$rmp->{origin_y} = $exit->y;
1619	}	2282	}
1620		2283
1621	$rmp->{random_seed} ||= $exit->random_seed;	2284	$rmp->{random_seed} ||= $exit->random_seed;
1622		2285
1623	my $data = cf::to_json $rmp;	2286	my $data = cf::to_json $rmp;
1624	my $md5 = Digest::MD5::md5_hex $data;	2287	my $md5 = Digest::MD5::md5_hex $data;
		2288	my $meta = "$RANDOMDIR/$md5.meta";
1625		2289
1626	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1627	aio_write $fh, 0, (length $data), $data, 0;	2291	aio_write $fh, 0, (length $data), $data, 0;
		2292	undef $fh;
		2293	aio_rename "$meta~", $meta;
1628		2294
1629	$exit->slaying ("?random/$md5");	2295	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	2296	$exit->msg (undef);
1631	}	2297	}
1632	}	2298	}
…		…
1634	sub cf::object::player::enter_exit {	2300	sub cf::object::player::enter_exit {
1635	my ($self, $exit) = @_;	2301	my ($self, $exit) = @_;
1636		2302
1637	return unless $self->type == cf::PLAYER;	2303	return unless $self->type == cf::PLAYER;
1638		2304
		2305	if ($exit->slaying eq "/!") {
		2306	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2307	# the problem is that $exit might not survive long enough
		2308	# so it needs to be done right now, right here
		2309	cf::sync_job { prepare_random_map $exit };
		2310	}
		2311
		2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2313	my $hp = $exit->stats->hp;
		2314	my $sp = $exit->stats->sp;
		2315
1639	$self->enter_link;	2316	$self->enter_link;
1640		2317
1641	(Coro::async_pool {	2318	(async {
1642	$self->deactivate_recursive; # just to be sure	2319	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	2320	unless (eval {
1644	prepare_random_map $exit	2321	$self->goto ($slaying, $hp, $sp);
1645	if $exit->slaying eq "/!";
1646
1647	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1648	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1649		2322
1650	1;	2323	1;
1651	}) {	2324	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	2325	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "I'll try to bring you back to the map you were before. "	2326	. "I'll try to bring you back to the map you were before. "
1654	. "Please report this to the dungeon master",	2327	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	2328	cf::NDI_UNIQUE | cf::NDI_RED);
1656		2329
1657	warn "ERROR in enter_exit: $@";	2330	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	2331	$self->leave_link;
1659	}	2332	}
1660	})->prio (1);	2333	})->prio (1);
…		…
1673		2346
1674	sub cf::client::send_drawinfo {	2347	sub cf::client::send_drawinfo {
1675	my ($self, $text, $flags) = @_;	2348	my ($self, $text, $flags) = @_;
1676		2349
1677	utf8::encode $text;	2350	utf8::encode $text;
1678	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1679	}	2352	}
1680		2353
		2354	=item $client->send_msg ($color, $type, $msg, [extra...])
		2355
		2356	Send a drawinfo or msg packet to the client, formatting the msg for the
		2357	client if neccessary. C<$type> should be a string identifying the type of
		2358	the message, with C<log> being the default. If C<$color> is negative, suppress
		2359	the message unless the client supports the msg packet.
		2360
		2361	=cut
		2362
		2363	sub cf::client::send_msg {
		2364	my ($self, $color, $type, $msg, @extra) = @_;
		2365
		2366	$msg = $self->pl->expand_cfpod ($msg);
		2367
		2368	if ($self->can_msg) {
		2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2370	} else {
		2371	# replace some tags by gcfclient-compatible ones
		2372	for ($msg) {
		2373	1 while
		2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${1}[\/color]/;
		2379	}
		2380
		2381	if ($color >= 0) {
		2382	if ($msg =~ /\[/) {
		2383	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2384	} else {
		2385	$self->send_packet ("drawinfo $color $msg")
		2386	}
		2387	}
		2388	}
		2389	}
		2390
		2391	=item $client->ext_event ($type, %msg)
		2392
		2393	Sends an exti event to the client.
		2394
		2395	=cut
		2396
		2397	sub cf::client::ext_event($$%) {
		2398	my ($self, $type, %msg) = @_;
		2399
		2400	$msg{msgtype} = "event_$type";
		2401	$self->send_packet ("ext " . cf::to_json \%msg);
		2402	}
1681		2403
1682	=item $success = $client->query ($flags, "text", \&cb)	2404	=item $success = $client->query ($flags, "text", \&cb)
1683		2405
1684	Queues a query to the client, calling the given callback with	2406	Queues a query to the client, calling the given callback with
1685	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2407	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1714	# get handled first	2436	# get handled first
1715	my $queue = delete $ns->{query_queue}	2437	my $queue = delete $ns->{query_queue}
1716	or return; # be conservative, not sure how that can happen, but we saw a crash here	2438	or return; # be conservative, not sure how that can happen, but we saw a crash here
1717		2439
1718	(shift @$queue)->[1]->($msg);	2440	(shift @$queue)->[1]->($msg);
		2441	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1719		2442
1720	push @{ $ns->{query_queue} }, @$queue;	2443	push @{ $ns->{query_queue} }, @$queue;
1721		2444
1722	if (@{ $ns->{query_queue} } == @$queue) {	2445	if (@{ $ns->{query_queue} } == @$queue) {
1723	if (@$queue) {	2446	if (@$queue) {
…		…
1727	}	2450	}
1728	}	2451	}
1729	},	2452	},
1730	);	2453	);
1731		2454
1732	=item $client->coro (\&cb)	2455	=item $client->async (\&cb)
1733		2456
1734	Create a new coroutine, running the specified callback. The coroutine will	2457	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	2458	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	2459	or loss of connection).
1737		2460
1738	=cut	2461	=cut
1739		2462
1740	sub cf::client::coro {	2463	sub cf::client::async {
1741	my ($self, $cb) = @_;	2464	my ($self, $cb) = @_;
1742		2465
1743	my $coro = &Coro::async_pool ($cb);	2466	my $coro = &Coro::async ($cb);
1744		2467
1745	$coro->on_destroy (sub {	2468	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	2469	delete $self->{_coro}{$coro+0};
1747	});	2470	});
1748		2471
…		…
1781		2504
1782	# here we export the classes and methods available to script code	2505	# here we export the classes and methods available to script code
1783		2506
1784	=pod	2507	=pod
1785		2508
1786	The following fucntions and emthods are available within a safe environment:	2509	The following functions and methods are available within a safe environment:
1787		2510
1788	cf::object contr pay_amount pay_player map	2511	cf::object contr pay_amount pay_player map
1789	cf::object::player player	2512	cf::object::player player
1790	cf::player peaceful	2513	cf::player peaceful
1791	cf::map trigger	2514	cf::map trigger
…		…
1872	=back	2595	=back
1873		2596
1874	=cut	2597	=cut
1875		2598
1876	#############################################################################	2599	#############################################################################
		2600	# the server's init and main functions
1877		2601
1878	=head2 EXTENSION DATABASE SUPPORT	2602	sub load_facedata($) {
		2603	my ($path) = @_;
1879		2604
1880	Crossfire maintains a very simple database for extension use. It can	2605	warn "loading facedata from $path\n";
1881	currently store anything that can be serialised using Storable, which
1882	excludes objects.
1883		2606
1884	The parameter C<$family> should best start with the name of the extension	2607	my $facedata;
1885	using it, it should be unique.	2608	0 < aio_load $path, $facedata
		2609	or die "$path: $!";
1886		2610
1887	=over 4	2611	$facedata = Coro::Storable::thaw $facedata;
1888		2612
1889	=item $hashref = cf::db_get $family	2613	$facedata->{version} == 2
		2614	or cf::cleanup "$path: version mismatch, cannot proceed.";
1890		2615
1891	Return a hashref for use by the extension C<$family>, which can be
1892	modified. After modifications, you have to call C<cf::db_dirty> or
1893	C<cf::db_sync>.
1894
1895	=item $value = cf::db_get $family => $key
1896
1897	Returns a single value from the database
1898
1899	=item cf::db_put $family => $hashref
1900
1901	Stores the given family hashref into the database. Updates are delayed, if
1902	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1903
1904	=item cf::db_put $family => $key => $value
1905
1906	Stores the given C<$value> in the family hash. Updates are delayed, if you
1907	want the data to be synced to disk immediately, use C<cf::db_sync>.
1908
1909	=item cf::db_dirty
1910
1911	Marks the database as dirty, to be updated at a later time.
1912
1913	=item cf::db_sync
1914
1915	Immediately write the database to disk I<if it is dirty>.
1916
1917	=cut
1918
1919	our $DB;
1920
1921	{
1922	my $path = cf::localdir . "/database.pst";
1923
1924	sub db_load() {
1925	$DB = stat $path ? Storable::retrieve $path : { };
1926	}	2616	{
		2617	my $faces = $facedata->{faceinfo};
1927		2618
1928	my $pid;	2619	while (my ($face, $info) = each %$faces) {
1929		2620	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1930	sub db_save() {	2621	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
1931	waitpid $pid, 0 if $pid;	2622	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
1932	if (0 == ($pid = fork)) {	2623	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
1933	$DB->{_meta}{version} = 1;	2624	Coro::cede;
1934	Storable::nstore $DB, "$path~";
1935	rename "$path~", $path;
1936	cf::_exit 0 if defined $pid;
1937	}
1938	}
1939
1940	my $dirty;
1941
1942	sub db_sync() {
1943	db_save if $dirty;
1944	undef $dirty;
1945	}
1946
1947	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1948	db_sync;
1949	});
1950
1951	sub db_dirty() {
1952	$dirty = 1;
1953	$idle->start;
1954	}
1955
1956	sub db_get($;$) {
1957	@_ >= 2
1958	? $DB->{$_[0]}{$_[1]}
1959	: ($DB->{$_[0]} ||= { })
1960	}
1961
1962	sub db_put($$;$) {
1963	if (@_ >= 3) {
1964	$DB->{$_[0]}{$_[1]} = $_[2];
1965	} else {
1966	$DB->{$_[0]} = $_[1];
1967	}
1968	db_dirty;
1969	}
1970
1971	cf::global->attach (
1972	prio => 10000,
1973	on_cleanup => sub {
1974	db_sync;
1975	},	2625	}
1976	);
1977	}
1978		2626
1979	#############################################################################	2627	while (my ($face, $info) = each %$faces) {
1980	# the server's main()	2628	next unless $info->{smooth};
		2629	my $idx = cf::face::find $face
		2630	or next;
		2631	if (my $smooth = cf::face::find $info->{smooth}) {
		2632	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2633	} else {
		2634	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2635	}
		2636	Coro::cede;
		2637	}
		2638	}
		2639
		2640	{
		2641	my $anims = $facedata->{animinfo};
		2642
		2643	while (my ($anim, $info) = each %$anims) {
		2644	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2645	Coro::cede;
		2646	}
		2647
		2648	cf::anim::invalidate_all; # d'oh
		2649	}
		2650
		2651	1
		2652	}
		2653
		2654	sub reload_regions {
		2655	load_resource_file "$MAPDIR/regions"
		2656	or die "unable to load regions file\n";
		2657	}
		2658
		2659	sub reload_facedata {
		2660	load_facedata "$DATADIR/facedata"
		2661	or die "unable to load facedata\n";
		2662	}
		2663
		2664	sub reload_archetypes {
		2665	load_resource_file "$DATADIR/archetypes"
		2666	or die "unable to load archetypes\n";
		2667	}
		2668
		2669	sub reload_treasures {
		2670	load_resource_file "$DATADIR/treasures"
		2671	or die "unable to load treasurelists\n";
		2672	}
		2673
		2674	sub reload_resources {
		2675	warn "reloading resource files...\n";
		2676
		2677	reload_regions;
		2678	reload_facedata;
		2679	#reload_archetypes;#d#
		2680	reload_archetypes;
		2681	reload_treasures;
		2682
		2683	warn "finished reloading resource files\n";
		2684	}
		2685
		2686	sub init {
		2687	reload_resources;
		2688	}
1981		2689
1982	sub cfg_load {	2690	sub cfg_load {
1983	open my $fh, "<:utf8", cf::confdir . "/config"	2691	open my $fh, "<:utf8", "$CONFDIR/config"
1984	or return;	2692	or return;
1985		2693
1986	local $/;	2694	local $/;
1987	*CFG = YAML::Syck::Load <$fh>;	2695	*CFG = YAML::Syck::Load <$fh>;
1988		2696
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2699	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
1992	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2700	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		2701
1994	if (exists $CFG{mlockall}) {	2702	if (exists $CFG{mlockall}) {
1995	eval {	2703	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	2704	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	2705	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	2706	};
1999	warn $@ if $@;	2707	warn $@ if $@;
2000	}	2708	}
2001	}	2709	}
2002		2710
2003	sub main {	2711	sub main {
2004	# we must not ever block the main coroutine	2712	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	2713	local $Coro::idle = sub {
2006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2714	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2007	Coro::async_pool { Event::one_event };	2715	(async {
		2716	Event::one_event;
		2717	})->prio (Coro::PRIO_MAX);
2008	};	2718	};
2009		2719
2010	cfg_load;	2720	cfg_load;
2011	db_load;	2721	db_init;
2012	load_extensions;	2722	load_extensions;
		2723
		2724	$TICK_WATCHER->start;
2013	Event::loop;	2725	Event::loop;
2014	}	2726	}
2015		2727
2016	#############################################################################	2728	#############################################################################
2017	# initialisation	2729	# initialisation and cleanup
2018		2730
		2731	# install some emergency cleanup handlers
		2732	BEGIN {
		2733	for my $signal (qw(INT HUP TERM)) {
		2734	Event->signal (
		2735	reentrant => 0,
		2736	data => WF_AUTOCANCEL,
		2737	signal => $signal,
		2738	prio => 0,
		2739	cb => sub {
		2740	cf::cleanup "SIG$signal";
		2741	},
		2742	);
		2743	}
		2744	}
		2745
		2746	sub write_runtime {
		2747	my $runtime = "$LOCALDIR/runtime";
		2748
		2749	# first touch the runtime file to show we are still running:
		2750	# the fsync below can take a very very long time.
		2751
		2752	IO::AIO::aio_utime $runtime, undef, undef;
		2753
		2754	my $guard = cf::lock_acquire "write_runtime";
		2755
		2756	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2757	or return;
		2758
		2759	my $value = $cf::RUNTIME + 90 + 10;
		2760	# 10 is the runtime save interval, for a monotonic clock
		2761	# 60 allows for the watchdog to kill the server.
		2762
		2763	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2764	and return;
		2765
		2766	# always fsync - this file is important
		2767	aio_fsync $fh
		2768	and return;
		2769
		2770	# touch it again to show we are up-to-date
		2771	aio_utime $fh, undef, undef;
		2772
		2773	close $fh
		2774	or return;
		2775
		2776	aio_rename "$runtime~", $runtime
		2777	and return;
		2778
		2779	warn "runtime file written.\n";
		2780
		2781	1
		2782	}
		2783
		2784	sub emergency_save() {
		2785	my $freeze_guard = cf::freeze_mainloop;
		2786
		2787	warn "enter emergency perl save\n";
		2788
		2789	cf::sync_job {
		2790	# use a peculiar iteration method to avoid tripping on perl
		2791	# refcount bugs in for. also avoids problems with players
		2792	# and maps saved/destroyed asynchronously.
		2793	warn "begin emergency player save\n";
		2794	for my $login (keys %cf::PLAYER) {
		2795	my $pl = $cf::PLAYER{$login} or next;
		2796	$pl->valid or next;
		2797	$pl->save;
		2798	}
		2799	warn "end emergency player save\n";
		2800
		2801	warn "begin emergency map save\n";
		2802	for my $path (keys %cf::MAP) {
		2803	my $map = $cf::MAP{$path} or next;
		2804	$map->valid or next;
		2805	$map->save;
		2806	}
		2807	warn "end emergency map save\n";
		2808
		2809	warn "begin emergency database checkpoint\n";
		2810	BDB::db_env_txn_checkpoint $DB_ENV;
		2811	warn "end emergency database checkpoint\n";
		2812	};
		2813
		2814	warn "leave emergency perl save\n";
		2815	}
		2816
		2817	sub post_cleanup {
		2818	my ($make_core) = @_;
		2819
		2820	warn Carp::longmess "post_cleanup backtrace"
		2821	if $make_core;
		2822	}
		2823
2019	sub reload() {	2824	sub do_reload_perl() {
2020	# can/must only be called in main	2825	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	2826	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	2827	warn "can only reload from main coroutine";
2023	return;	2828	return;
2024	}	2829	}
2025		2830
2026	warn "reloading...";	2831	warn "reloading...";
2027		2832
2028	my $guard = freeze_mainloop;	2833	warn "entering sync_job";
		2834
		2835	cf::sync_job {
		2836	cf::write_runtime; # external watchdog should not bark
2029	cf::emergency_save;	2837	cf::emergency_save;
		2838	cf::write_runtime; # external watchdog should not bark
2030		2839
2031	eval {	2840	warn "syncing database to disk";
		2841	BDB::db_env_txn_checkpoint $DB_ENV;
		2842
2032	# if anything goes wrong in here, we should simply crash as we already saved	2843	# if anything goes wrong in here, we should simply crash as we already saved
2033		2844
2034	# cancel all watchers	2845	warn "cancelling all WF_AUTOCANCEL watchers";
2035	for (Event::all_watchers) {	2846	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	2847	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	2848	}
2038		2849
		2850	warn "flushing outstanding aio requests";
		2851	for (;;) {
		2852	BDB::flush;
		2853	IO::AIO::flush;
		2854	Coro::cede;
		2855	last unless IO::AIO::nreqs || BDB::nreqs;
		2856	warn "iterate...";
		2857	}
		2858
		2859	++$RELOAD;
		2860
2039	# cancel all extension coros	2861	warn "cancelling all extension coros";
2040	$_->cancel for values %EXT_CORO;	2862	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	2863	%EXT_CORO = ();
2042		2864
2043	# unload all extensions	2865	warn "removing commands";
2044	for (@exts) {	2866	%COMMAND = ();
		2867
		2868	warn "removing ext commands";
		2869	%EXTCMD = ();
		2870
		2871	warn "unloading/nuking all extensions";
		2872	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	2873	warn "... unloading $pkg";
2046	unload_extension $_;	2874
		2875	if (my $cb = $pkg->can ("unload")) {
		2876	eval {
		2877	$cb->($pkg);
		2878	1
		2879	} or warn "$pkg unloaded, but with errors: $@";
2047	}	2880	}
2048		2881
		2882	warn "... nuking $pkg";
		2883	Symbol::delete_package $pkg;
		2884	}
		2885
2049	# unload all modules loaded from $LIBDIR	2886	warn "unloading all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	2887	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2888	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		2889
2053	warn "removing <$k>";	2890	warn "... unloading $k";
2054	delete $INC{$k};	2891	delete $INC{$k};
2055		2892
2056	$k =~ s/\.pm$//;	2893	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;	2894	$k =~ s/\//::/g;
2058		2895
…		…
2061	}	2898	}
2062		2899
2063	Symbol::delete_package $k;	2900	Symbol::delete_package $k;
2064	}	2901	}
2065		2902
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	2903	warn "getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	2904	Symbol::delete_package "safe::$_"
2072	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2905	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2073		2906
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	2907	warn "unloading cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	2908	delete $INC{"cf.pm"};
		2909	delete $INC{"cf/pod.pm"};
2079		2910
2080	# don't, removes xs symbols, too,	2911	# don't, removes xs symbols, too,
2081	# and global variables created in xs	2912	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	2913	#Symbol::delete_package __PACKAGE__;
2083		2914
2084	# reload cf.pm	2915	warn "unload completed, starting to reload now";
		2916
2085	warn "reloading cf.pm";	2917	warn "reloading cf.pm";
2086	require cf;	2918	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2919	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		2920
2089	# load config and database again	2921	warn "loading config and database again";
2090	cf::cfg_load;	2922	cf::cfg_load;
2091	cf::db_load;
2092		2923
2093	# load extensions
2094	warn "load extensions";	2924	warn "loading extensions";
2095	cf::load_extensions;	2925	cf::load_extensions;
2096		2926
2097	# reattach attachments to objects	2927	warn "reattaching attachments to objects/players";
2098	warn "reattach";	2928	_global_reattach; # objects, sockets
2099	_global_reattach;	2929	warn "reattaching attachments to maps";
2100	};	2930	reattach $_ for values %MAP;
		2931	warn "reattaching attachments to players";
		2932	reattach $_ for values %PLAYER;
2101		2933
2102	if ($@) {	2934	warn "leaving sync_job";
		2935
		2936	1
		2937	} or do {
2103	warn $@;	2938	warn $@;
2104	warn "error while reloading, exiting.";	2939	warn "error while reloading, exiting.";
2105	exit 1;	2940	exit 1;
2106	}	2941	};
2107		2942
2108	warn "reloaded successfully";	2943	warn "reloaded";
2109	};	2944	};
2110		2945
2111	#############################################################################	2946	our $RELOAD_WATCHER; # used only during reload
2112		2947
2113	unless ($LINK_MAP) {	2948	sub reload_perl() {
2114	$LINK_MAP = cf::map::new;	2949	# doing reload synchronously and two reloads happen back-to-back,
		2950	# coro crashes during coro_state_free->destroy here.
2115		2951
2116	$LINK_MAP->width (41);	2952	$RELOAD_WATCHER ||= Event->timer (
2117	$LINK_MAP->height (41);	2953	reentrant => 0,
2118	$LINK_MAP->alloc;
2119	$LINK_MAP->path ("{link}");
2120	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2121	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2122
2123	# dirty hack because... archetypes are not yet loaded
2124	Event->timer (
2125	after => 2,	2954	after => 0,
		2955	data => WF_AUTOCANCEL,
2126	cb => sub {	2956	cb => sub {
2127	$_[0]->w->cancel;	2957	do_reload_perl;
2128		2958	undef $RELOAD_WATCHER;
2129	# provide some exits "home"
2130	my $exit = cf::object::new "exit";
2131
2132	$exit->slaying ($EMERGENCY_POSITION->[0]);
2133	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2134	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2135
2136	$LINK_MAP->insert ($exit->clone, 19, 19);
2137	$LINK_MAP->insert ($exit->clone, 19, 20);
2138	$LINK_MAP->insert ($exit->clone, 19, 21);
2139	$LINK_MAP->insert ($exit->clone, 20, 19);
2140	$LINK_MAP->insert ($exit->clone, 20, 21);
2141	$LINK_MAP->insert ($exit->clone, 21, 19);
2142	$LINK_MAP->insert ($exit->clone, 21, 20);
2143	$LINK_MAP->insert ($exit->clone, 21, 21);
2144
2145	$exit->destroy;
2146	});	2959	},
2147		2960	);
2148	$LINK_MAP->{deny_save} = 1;
2149	$LINK_MAP->{deny_reset} = 1;
2150
2151	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2152	}	2961	}
2153
2154	register "<global>", __PACKAGE__;
2155		2962
2156	register_command "reload" => sub {	2963	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	2964	my ($who, $arg) = @_;
2158		2965
2159	if ($who->flag (FLAG_WIZ)) {	2966	if ($who->flag (FLAG_WIZ)) {
2160	$who->message ("start of reload.");
2161	reload;
2162	$who->message ("end of reload.");	2967	$who->message ("reloading server.");
		2968	async { reload_perl };
2163	}	2969	}
2164	};	2970	};
2165		2971
2166	unshift @INC, $LIBDIR;	2972	unshift @INC, $LIBDIR;
2167		2973
		2974	my $bug_warning = 0;
		2975
		2976	our @WAIT_FOR_TICK;
		2977	our @WAIT_FOR_TICK_BEGIN;
		2978
		2979	sub wait_for_tick {
		2980	return unless $TICK_WATCHER->is_active;
		2981	return if $Coro::current == $Coro::main;
		2982
		2983	my $signal = new Coro::Signal;
		2984	push @WAIT_FOR_TICK, $signal;
		2985	$signal->wait;
		2986	}
		2987
		2988	sub wait_for_tick_begin {
		2989	return unless $TICK_WATCHER->is_active;
		2990	return if $Coro::current == $Coro::main;
		2991
		2992	my $signal = new Coro::Signal;
		2993	push @WAIT_FOR_TICK_BEGIN, $signal;
		2994	$signal->wait;
		2995	}
		2996
		2997	my $min = 1e6;#d#
		2998	my $avg = 10;
2168	$TICK_WATCHER = Event->timer (	2999	$TICK_WATCHER = Event->timer (
2169	reentrant => 0,	3000	reentrant => 0,
		3001	parked => 1,
2170	prio => 0,	3002	prio => 0,
2171	at => $NEXT_TICK || $TICK,	3003	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	3004	data => WF_AUTOCANCEL,
2173	cb => sub {	3005	cb => sub {
		3006	if ($Coro::current != $Coro::main) {
		3007	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3008	unless ++$bug_warning > 10;
		3009	return;
		3010	}
		3011
		3012	$NOW = $tick_start = Event::time;
		3013
2174	cf::server_tick; # one server iteration	3014	cf::server_tick; # one server iteration
		3015
		3016	0 && sync_job {#d#
		3017	for(1..10) {
		3018	my $t = Event::time;
		3019	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3020	or die;
		3021
		3022	$map->width (50);
		3023	$map->height (50);
		3024	$map->alloc;
		3025	$map->_load_objects ("/tmp/x.map", 1);
		3026	my $t = Event::time - $t;
		3027
		3028	#next unless $t < 0.0013;#d#
		3029	if ($t < $min) {
		3030	$min = $t;
		3031	}
		3032	$avg = $avg * 0.99 + $t * 0.01;
		3033	}
		3034	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3035	exit 0;
		3036	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3037	};
		3038
2175	$RUNTIME += $TICK;	3039	$RUNTIME += $TICK;
2176	$NEXT_TICK += $TICK;	3040	$NEXT_TICK += $TICK;
2177		3041
		3042	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3043	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3044	Coro::async_pool {
		3045	write_runtime
		3046	or warn "ERROR: unable to write runtime file: $!";
		3047	};
		3048	}
		3049
		3050	# my $AFTER = Event::time;
		3051	# warn $AFTER - $NOW;#d#
		3052
		3053	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3054	$sig->send;
		3055	}
		3056	while (my $sig = shift @WAIT_FOR_TICK) {
		3057	$sig->send;
		3058	}
		3059
		3060	$NOW = Event::time;
		3061
2178	# if we are delayed by four ticks or more, skip them all	3062	# if we are delayed by four ticks or more, skip them all
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3063	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2180		3064
2181	$TICK_WATCHER->at ($NEXT_TICK);	3065	$TICK_WATCHER->at ($NEXT_TICK);
2182	$TICK_WATCHER->start;	3066	$TICK_WATCHER->start;
		3067
		3068	$LOAD = ($NOW - $tick_start) / $TICK;
		3069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3070
		3071	_post_tick;
		3072
		3073
2183	},	3074	},
2184	);	3075	);
2185		3076
		3077	{
2186	IO::AIO::max_poll_time $TICK * 0.2;	3078	BDB::max_poll_time $TICK * 0.1;
2187		3079	$BDB_POLL_WATCHER = Event->io (
2188	Event->io (	3080	reentrant => 0,
2189	fd => IO::AIO::poll_fileno,	3081	fd => BDB::poll_fileno,
2190	poll => 'r',	3082	poll => 'r',
2191	prio => 5,	3083	prio => 0,
2192	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,
2194	);
2195
2196	Event->timer (
2197	data => WF_AUTOCANCEL,	3084	data => WF_AUTOCANCEL,
2198	after => 0,	3085	cb => \&BDB::poll_cb,
2199	interval => 10,	3086	);
2200	cb => sub {	3087	BDB::min_parallel 8;
2201	(Coro::unblock_sub {	3088
2202	write_runtime	3089	BDB::set_sync_prepare {
2203	or warn "ERROR: unable to write runtime file: $!";	3090	my $status;
		3091	my $current = $Coro::current;
		3092	(
		3093	sub {
		3094	$status = $!;
		3095	$current->ready; undef $current;
		3096	},
		3097	sub {
		3098	Coro::schedule while defined $current;
		3099	$! = $status;
		3100	},
		3101	)
		3102	};
		3103
		3104	unless ($DB_ENV) {
		3105	$DB_ENV = BDB::db_env_create;
		3106
		3107	cf::sync_job {
		3108	eval {
		3109	BDB::db_env_open
		3110	$DB_ENV,
		3111	$BDBDIR,
		3112	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3113	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3114	0666;
		3115
		3116	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3117
		3118	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3119	$DB_ENV->set_lk_detect;
		3120	};
		3121
		3122	cf::cleanup "db_env_open(db): $@" if $@;
2204	})->();	3123	};
2205	},	3124	}
2206	);	3125	}
		3126
		3127	{
		3128	IO::AIO::min_parallel 8;
		3129
		3130	undef $Coro::AIO::WATCHER;
		3131	IO::AIO::max_poll_time $TICK * 0.1;
		3132	$AIO_POLL_WATCHER = Event->io (
		3133	reentrant => 0,
		3134	data => WF_AUTOCANCEL,
		3135	fd => IO::AIO::poll_fileno,
		3136	poll => 'r',
		3137	prio => 6,
		3138	cb => \&IO::AIO::poll_cb,
		3139	);
		3140	}
		3141
		3142	my $_log_backtrace;
		3143
		3144	sub _log_backtrace {
		3145	my ($msg, @addr) = @_;
		3146
		3147	$msg =~ s/\n//;
		3148
		3149	# limit the # of concurrent backtraces
		3150	if ($_log_backtrace < 2) {
		3151	++$_log_backtrace;
		3152	async {
		3153	my @bt = fork_call {
		3154	@addr = map { sprintf "%x", $_ } @addr;
		3155	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3156	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3157	or die "addr2line: $!";
		3158
		3159	my @funcs;
		3160	my @res = <$fh>;
		3161	chomp for @res;
		3162	while (@res) {
		3163	my ($func, $line) = splice @res, 0, 2, ();
		3164	push @funcs, "[$func] $line";
		3165	}
		3166
		3167	@funcs
		3168	};
		3169
		3170	LOG llevInfo, "[ABT] $msg\n";
		3171	LOG llevInfo, "[ABT] $_\n" for @bt;
		3172	--$_log_backtrace;
		3173	};
		3174	} else {
		3175	LOG llevInfo, "[ABT] $msg\n";
		3176	LOG llevInfo, "[ABT] [suppressed]\n";
		3177	}
		3178	}
		3179
		3180	# load additional modules
		3181	use cf::pod;
2207		3182
2208	END { cf::emergency_save }	3183	END { cf::emergency_save }
2209		3184
2210	1	3185	1
2211		3186

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