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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.119 by root, Tue Jan 2 08:26:42 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 (2); # 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 $FREEZE;	91
55	our $RANDOM_MAPS = cf::localdir . "/random";	92	# used to convert map paths into valid unix filenames by replacing / by ∕
56	our %EXT_CORO;	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 $tick_start; # for load detecting purposes
57		98
58	binmode STDOUT;	99	binmode STDOUT;
59	binmode STDERR;	100	binmode STDERR;
60		101
61	# read virtual server time, if available	102	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
66	}	107	}
67		108
68	mkdir cf::localdir;	109	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		111
74	# a special map that is always available	112	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		113
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	114	sub cf::map::normalise;
78		115
79	#############################################################################	116	#############################################################################
80		117
81	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
82		119
…		…
89	=item $cf::RUNTIME	126	=item $cf::RUNTIME
90		127
91	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
92	every server tick.	129	every server tick.
93		130
94	=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
95		134
96	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
97	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.
98		139
99	=item $cf::NOW	140	=item $cf::NOW
100		141
101	The time of the last (current) server tick.	142	The time of the last (current) server tick.
102		143
103	=item $cf::TICK	144	=item $cf::TICK
104		145
105	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.
106		157
107	=item %cf::CFG	158	=item %cf::CFG
108		159
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	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.
111		168
112	=back	169	=back
113		170
114	=cut	171	=cut
115		172
116	BEGIN {	173	BEGIN {
117	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	175	my $msg = join "", @_;
119	utf8::encode $msg;
120		176
121	$msg .= "\n"	177	$msg .= "\n"
122	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
123		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
124	LOG llevError, "cfperl: $msg";	183	LOG llevError, $msg;
125	};	184	};
126	}	185	}
127		186
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@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';
133	@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)
134		194
135	# 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
136	# within the Safe compartment.	196	# within the Safe compartment.
137	for my $pkg (qw(	197	for my $pkg (qw(
138	cf::global cf::attachable	198	cf::global cf::attachable
…		…
147		207
148	$Event::DIED = sub {	208	$Event::DIED = sub {
149	warn "error in event callback: @_";	209	warn "error in event callback: @_";
150	};	210	};
151		211
152	my %ext_pkg;	212	#############################################################################
153	my @exts;
154	my @hook;
155		213
156	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
157		215
158	=over 4	216	=over 4
159		217
160	=cut	218	=item dumpval $ref
161		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
162	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
163		242
164	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
165		244
166	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
167		246
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
176		248
177	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
178		250
179	=cut	251	=item cf::lock_wait $string
180		252
181	sub to_json($) {	253	Wait until the given lock is available. See cf::lock_acquire.
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
183	JSON::Syck::Dump $_[0]	255	=item my $lock = cf::lock_acquire $string
		256
		257	Wait until the given lock is available and then acquires it and returns
		258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		259	for example when the coroutine gets canceled), the lock is automatically
		260	returned.
		261
		262	Lock names should begin with a unique identifier (for example, cf::map::find
		263	uses map_find and cf::map::load uses map_load).
		264
		265	=item $locked = cf::lock_active $string
		266
		267	Return true if the lock is currently active, i.e. somebody has locked it.
		268
		269	=cut
		270
		271	our %LOCK;
		272
		273	sub lock_wait($) {
		274	my ($key) = @_;
		275
		276	# wait for lock, if any
		277	while ($LOCK{$key}) {
		278	push @{ $LOCK{$key} }, $Coro::current;
		279	Coro::schedule;
		280	}
184	}	281	}
		282
		283	sub lock_acquire($) {
		284	my ($key) = @_;
		285
		286	# wait, to be sure we are not locked
		287	lock_wait $key;
		288
		289	$LOCK{$key} = [];
		290
		291	Coro::guard {
		292	# wake up all waiters, to be on the safe side
		293	$_->ready for @{ delete $LOCK{$key} };
		294	}
		295	}
		296
		297	sub lock_active($) {
		298	my ($key) = @_;
		299
		300	! ! $LOCK{$key}
		301	}
		302
		303	sub freeze_mainloop {
		304	return unless $TICK_WATCHER->is_active;
		305
		306	my $guard = Coro::guard {
		307	$TICK_WATCHER->start;
		308	};
		309	$TICK_WATCHER->stop;
		310	$guard
		311	}
		312
		313	=item cf::async { BLOCK }
		314
		315	Currently the same as Coro::async_pool, meaning you cannot use
		316	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		317	thing you are allowed to do is call C<prio> on it.
		318
		319	=cut
		320
		321	BEGIN { *async = \&Coro::async_pool }
185		322
186	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
187		324
188	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
189	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
190	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
191		329
192	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
193	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
194	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
195	fast or be very important.	333	fast or be very important.
…		…
198		336
199	sub sync_job(&) {	337	sub sync_job(&) {
200	my ($job) = @_;	338	my ($job) = @_;
201		339
202	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
203	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
205		345
206	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	347	# (but this is cancel-safe)
208	local $FREEZE = 1;	348	my $freeze_guard = freeze_mainloop;
209		349
210	my $busy = 1;	350	my $busy = 1;
211	my @res;	351	my @res;
212		352
213	(Coro::async {	353	(async {
214	@res = eval { $job->() };	354	@res = eval { $job->() };
215	warn $@ if $@;	355	warn $@ if $@;
216	undef $busy;	356	undef $busy;
217	})->prio (Coro::PRIO_MAX);	357	})->prio (Coro::PRIO_MAX);
218		358
219	while ($busy) {	359	while ($busy) {
220	Coro::cede_notself;	360	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	361	}
		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
223		369
224	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
225	} else {	371	} else {
226	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
227		373
228	$job->()	374	$job->()
229	}	375	}
230	}	376	}
231		377
232	=item $coro = cf::coro { BLOCK }	378	=item $coro = cf::async_ext { BLOCK }
233		379
234	Creates and returns a new coro. This coro is automcatially being canceled	380	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	381	extension calling this is being unloaded.
236		382
237	=cut	383	=cut
238		384
239	sub coro(&) {	385	sub async_ext(&) {
240	my $cb = shift;	386	my $cb = shift;
241		387
242	my $coro; $coro = async {	388	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		389
249	$coro->on_destroy (sub {	390	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	391	delete $EXT_CORO{$coro+0};
251	});	392	});
252	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
253		394
254	$coro	395	$coro
255	}	396	}
256		397
257	sub write_runtime {	398	=item fork_call { }, $args
258	my $runtime = cf::localdir . "/runtime";
259		399
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	400	Executes the given code block with the given arguments in a seperate
261	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.
262		404
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	405	=cut
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;
266		406
267	aio_fsync $fh	407	sub fork_call(&@) {
268	and return;	408	my ($cb, @args) = @_;
269		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) {
270	close $fh	416	close $fh2;
271	or return;
272		417
273	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
274	and return;	419	$res = Coro::Storable::thaw $res;
275		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
276	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		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 });
277	}	567	}
278		568
279	=back	569	=back
280		570
281	=cut	571	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402		572
403	#############################################################################	573	#############################################################################
404		574
405	=head2 ATTACHABLE OBJECTS	575	=head2 ATTACHABLE OBJECTS
406		576
…		…
408	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")
409	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
410		580
411	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>
412	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
413	crossfire+).	583	Crossfire TRT).
414		584
415	=over 4	585	=over 4
416		586
417	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
418		588
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	702	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	703	our @CB_MAP = ();
534		704
535	my %attachment;	705	my %attachment;
536		706
		707	sub cf::attachable::thawer_merge {
		708	# simply override everything except _meta
		709	local $_[0]{_meta};
		710	%{$_[0]} = %{$_[1]};
		711	}
		712
537	sub _attach_cb($$$$) {	713	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	714	my ($registry, $event, $prio, $cb) = @_;
539		715
540	use sort 'stable';	716	use sort 'stable';
541		717
…		…
575	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
576		752
577	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
578	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
579	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
580	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
581		757
582	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
583	my $pkg = shift @arg;	759	my $pkg = shift @arg;
584		760
585	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
614	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
615	}	791	}
616		792
617	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
618	} else {	794	} else {
619	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
620	}	796	}
621		797
622	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
623	}	799	}
624		800
…		…
626	if (ref $_[0]) {	802	if (ref $_[0]) {
627	_object_attach @_;	803	_object_attach @_;
628	} else {	804	} else {
629	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
630	}	806	}
		807	_recalc_want;
631	};	808	};
632		809
633	# all those should be optimised	810	# all those should be optimised
634	sub cf::attachable::detach {	811	sub cf::attachable::detach {
635	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
638	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
639	reattach ($obj);	816	reattach ($obj);
640	} else {	817	} else {
641	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
642	}	819	}
		820	_recalc_want;
643	};	821	};
644		822
645	sub cf::attachable::attached {	823	sub cf::attachable::attached {
646	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
647		825
…		…
712	# object support	890	# object support
713		891
714	sub reattach {	892	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	893	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	894	my ($obj) = @_;
		895
		896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		897
718	my $registry = $obj->registry;	898	my $registry = $obj->registry;
719		899
720	@$registry = ();	900	@$registry = ();
721		901
…		…
768	$filename, length $$rdata, scalar @$objs;	948	$filename, length $$rdata, scalar @$objs;
769		949
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	951	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh;	953	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	954	close $fh;
775		955
776	if (@$objs) {	956	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	959	my $data = Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	960	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	962	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	963	aio_rename "$filename.pst~", "$filename.pst";
784	}	964	}
785	} else {	965	} else {
786	aio_unlink "$filename.pst";	966	aio_unlink "$filename.pst";
…		…
818	or return;	998	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1000	}
821		1001
822	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
824	return ($data, $av);	1004	return ($data, $av);
825	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
826		1012
827	#############################################################################	1013	#############################################################################
828	# command handling &c	1014	# command handling &c
829		1015
830	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1030	}
845		1031
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1033
848	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.
849		1035
850	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
851	called.	1037	called.
852		1038
853	=cut	1039	=cut
854		1040
855	sub register_extcmd {	1041	sub register_extcmd {
856	my ($name, $cb) = @_;	1042	my ($name, $cb) = @_;
857		1043
858	my $caller = caller;
859	#warn "registering extcmd '$name' to '$caller'";
860
861	$EXTCMD{$name} = [$cb, $caller];	1044	$EXTCMD{$name} = $cb;
862	}	1045	}
863		1046
864	cf::player->attach (	1047	cf::player->attach (
865	on_command => sub {	1048	on_command => sub {
866	my ($pl, $name, $params) = @_;	1049	my ($pl, $name, $params) = @_;
…		…
879		1062
880	my $msg = eval { from_json $buf };	1063	my $msg = eval { from_json $buf };
881		1064
882	if (ref $msg) {	1065	if (ref $msg) {
883	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
884	if (my %reply = $cb->[0]->($pl, $msg)) {	1067	if (my %reply = $cb->($pl, $msg)) {
885	$pl->ext_reply ($msg->{msgid}, %reply);	1068	$pl->ext_reply ($msg->{msgid}, %reply);
886	}	1069	}
887	}	1070	}
888	} else {	1071	} else {
889	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
891		1074
892	cf::override;	1075	cf::override;
893	},	1076	},
894	);	1077	);
895		1078
896	sub register {
897	my ($base, $pkg) = @_;
898
899	#TODO
900	}
901
902	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($) {
903	my ($path) = @_;	1426	my ($path) = @_;
904		1427
905	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1428	my ($match, $specificity);
906	my $base = $1;
907	my $pkg = $1;
908	$pkg =~ s/[^[:word:]]/_/g;
909	$pkg = "ext::$pkg";
910		1429
911	warn "loading '$path' into '$pkg'\n";	1430	for my $region (list) {
912		1431	if ($region->match && $path =~ $region->match) {
913	open my $fh, "<:utf8", $path	1432	($match, $specificity) = ($region, $region->specificity)
914	or die "$path: $!";	1433	if $region->specificity > $specificity;
915		1434	}
916	my $source =
917	"package $pkg; use strict; use utf8;\n"
918	. "#line 1 \"$path\"\n{\n"
919	. (do { local $/; <$fh> })
920	. "\n};\n1";
921
922	eval $source
923	or die $@ ? "$path: $@\n"
924	: "extension disabled.\n";
925
926	push @exts, $pkg;
927	$ext_pkg{$base} = $pkg;
928
929	# no strict 'refs';
930	# @{"$pkg\::ISA"} = ext::;
931
932	register $base, $pkg;
933	}
934
935	sub unload_extension {
936	my ($pkg) = @_;
937
938	warn "removing extension $pkg\n";
939
940	# remove hooks
941	#TODO
942	# for my $idx (0 .. $#PLUGIN_EVENT) {
943	# delete $hook[$idx]{$pkg};
944	# }	1435	}
945		1436
946	# remove commands	1437	$match
947	for my $name (keys %COMMAND) {
948	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
949
950	if (@cb) {
951	$COMMAND{$name} = \@cb;
952	} else {
953	delete $COMMAND{$name};
954	}
955	}
956
957	# remove extcmds
958	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
959	delete $EXTCMD{$name};
960	}
961
962	if (my $cb = $pkg->can ("unload")) {
963	eval {
964	$cb->($pkg);
965	1
966	} or warn "$pkg unloaded, but with errors: $@";
967	}
968
969	Symbol::delete_package $pkg;
970	}
971
972	sub load_extensions {
973	for my $ext (<$LIBDIR/*.ext>) {
974	next unless -r $ext;
975	eval {
976	load_extension $ext;
977	1
978	} or warn "$ext not loaded: $@";
979	}
980	}
981
982	#############################################################################
983	# load/save/clean perl data associated with a map
984
985	*cf::mapsupport::on_clean = sub {
986	my ($map) = @_;
987
988	my $path = $map->tmpname;
989	defined $path or return;
990
991	unlink "$path.pst";
992	};
993
994	cf::map->attach (prio => -10000, package => cf::mapsupport::);
995
996	#############################################################################
997	# load/save perl data associated with player->ob objects
998
999	sub all_objects(@) {
1000	@_, map all_objects ($_->inv), @_
1001	}
1002
1003	# TODO: compatibility cruft, remove when no longer needed
1004	cf::player->attach (
1005	on_load => sub {
1006	my ($pl, $path) = @_;
1007
1008	for my $o (all_objects $pl->ob) {
1009	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1010	$o->set_ob_key_value ("_perl_data");
1011
1012	%$o = %{ Storable::thaw pack "H*", $value };
1013	}
1014	}
1015	},
1016	);
1017
1018	#############################################################################
1019
1020	=head2 CORE EXTENSIONS
1021
1022	Functions and methods that extend core crossfire objects.
1023
1024	=head3 cf::player
1025
1026	=over 4
1027
1028	=item cf::player::exists $login
1029
1030	Returns true when the given account exists.
1031
1032	=cut
1033
1034	sub cf::player::exists($) {
1035	cf::player::find $_[0]
1036	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1037	}
1038
1039	=item $player->ext_reply ($msgid, $msgtype, %msg)
1040
1041	Sends an ext reply to the player.
1042
1043	=cut
1044
1045	sub cf::player::ext_reply($$$%) {
1046	my ($self, $id, %msg) = @_;
1047
1048	$msg{msgid} = $id;
1049
1050	$self->send ("ext " . to_json \%msg);
1051	}	1438	}
1052		1439
1053	=back	1440	=back
1054
1055		1441
1056	=head3 cf::map	1442	=head3 cf::map
1057		1443
1058	=over 4	1444	=over 4
1059		1445
…		…
1062	package cf::map;	1448	package cf::map;
1063		1449
1064	use Fcntl;	1450	use Fcntl;
1065	use Coro::AIO;	1451	use Coro::AIO;
1066		1452
		1453	use overload
		1454	'""' => \&as_string,
		1455	fallback => 1;
		1456
1067	our $MAX_RESET = 7200;	1457	our $MAX_RESET = 3600;
1068	our $DEFAULT_RESET = 3600;	1458	our $DEFAULT_RESET = 3000;
1069		1459
1070	sub generate_random_map {	1460	sub generate_random_map {
1071	my ($path, $rmp) = @_;	1461	my ($self, $rmp) = @_;
1072
1073	# mit "rum" bekleckern, nicht	1462	# mit "rum" bekleckern, nicht
1074	cf::map::_create_random_map	1463	$self->_create_random_map (
1075	$path,
1076	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1077	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1078	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1079	$rmp->{exit_on_final_map},	1467	$rmp->{exit_on_final_map},
1080	$rmp->{xsize}, $rmp->{ysize},	1468	$rmp->{xsize}, $rmp->{ysize},
1081	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1469	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1082	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1470	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1083	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1471	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1084	$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},
1085	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1473	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1086	(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"
1087	}	1603	}
1088		1604
1089	# and all this just because we cannot iterate over	1605	# and all this just because we cannot iterate over
1090	# all maps in C++...	1606	# all maps in C++...
1091	sub change_all_map_light {	1607	sub change_all_map_light {
1092	my ($change) = @_;	1608	my ($change) = @_;
1093		1609
1094	$_->change_map_light ($change) for values %cf::MAP;	1610	$_->change_map_light ($change)
		1611	for grep $_->outdoor, values %cf::MAP;
1095	}	1612	}
1096		1613
		1614	sub decay_objects {
		1615	my ($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
1097	sub try_load_header($) {	1630	sub load_header_from($) {
1098	my ($path) = @_;	1631	my ($self, $path) = @_;
1099		1632
1100	utf8::encode $path;	1633	utf8::encode $path;
1101	aio_open $path, O_RDONLY, 0	1634	#aio_open $path, O_RDONLY, 0
		1635	# or return;
		1636
		1637	$self->_load_header ($path)
1102	or return;	1638	or return;
1103		1639
1104	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
1105	or return;	1683	or return;
		1684	$self->prepare_orig;
		1685	}
1106		1686
1107	$map->load_header ($path)	1687	$self->{deny_reset} = 1
1108	or return;	1688	if $self->no_reset;
1109		1689
1110	$map->{load_path} = $path;	1690	$self->default_region (cf::region::find_by_path $self->{path})
		1691	unless $self->default_region;
1111		1692
1112	$map	1693	1
1113	}	1694	}
1114		1695
		1696	sub find;
1115	sub find_map {	1697	sub find {
1116	my ($path, $origin) = @_;	1698	my ($path, $origin) = @_;
1117		1699
1118	#warn "find_map<$path,$origin>\n";#d#
1119
1120	$path = new cf::path $path, $origin && $origin->path;	1700	$path = normalise $path, $origin && $origin->path;
1121	my $key = $path->as_string;
1122		1701
		1702	cf::lock_wait "map_find:$path";
		1703
1123	$cf::MAP{$key} || do {	1704	$cf::MAP{$path} || do {
1124	# do it the slow way	1705	my $guard = cf::lock_acquire "map_find:$path";
1125	my $map = try_load_header $path->save_path;	1706	my $map = new_from_path cf::map $path
1126
1127	if ($map) {
1128	# safety
1129	$map->{instantiate_time} = $cf::RUNTIME
1130	if $map->{instantiate_time} > $cf::RUNTIME;
1131	} else {
1132	if (my $rmp = $path->random_map_params) {
1133	$map = generate_random_map $key, $rmp;
1134	} else {
1135	$map = try_load_header $path->load_path;
1136	}
1137
1138	$map or return;	1707	or return;
1139		1708
1140	$map->{load_original} = 1;
1141	$map->{instantiate_time} = $cf::RUNTIME;
1142	$map->instantiate;
1143
1144	# per-player maps become, after loading, normal maps
1145	$map->per_player (0) if $path->{user_rel};
1146	}
1147	#Coro::Timer::sleep 1;#d#
1148
1149	$map->path ($key);
1150	$map->{path} = $path;
1151	$map->{last_save} = $cf::RUNTIME;	1709	$map->{last_save} = $cf::RUNTIME;
1152	$map->last_access ($cf::RUNTIME);
1153		1710
1154	if ($map->should_reset) {	1711	$map->load_header
		1712	or return;
		1713
		1714	if ($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;
1155	$map->reset;	1717	$map->reset;
1156	$map = find_map $path;	1718	undef $guard;
		1719	return find $path;
1157	}	1720	}
1158		1721
1159	$cf::MAP{$key} = $map	1722	$cf::MAP{$path} = $map
1160	}	1723	}
1161	}	1724	}
		1725
		1726	sub pre_load { }
		1727	sub post_load { }
1162		1728
1163	sub load {	1729	sub load {
1164	my ($self) = @_;	1730	my ($self) = @_;
1165		1731
1166	return if $self->in_memory != cf::MAP_SWAPPED;	1732	local $self->{deny_reset} = 1; # loading can take a long time
1167
1168	$self->in_memory (cf::MAP_LOADING);
1169		1733
1170	my $path = $self->{path};	1734	my $path = $self->{path};
1171		1735
		1736	{
		1737	my $guard = cf::lock_acquire "map_load:$path";
		1738
		1739	return if $self->in_memory != cf::MAP_SWAPPED;
		1740
		1741	$self->in_memory (cf::MAP_LOADING);
		1742
1172	$self->alloc;	1743	$self->alloc;
		1744
		1745	$self->pre_load;
		1746	Coro::cede;
		1747
1173	$self->load_objects ($self->{load_path}, 1)	1748	$self->_load_objects ($self->{load_path}, 1)
1174	or return;	1749	or return;
1175		1750
1176	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1177	if delete $self->{load_original};	1752	if delete $self->{load_original};
1178		1753
1179	if (my $uniq = $path->uniq_path) {	1754	if (my $uniq = $self->uniq_path) {
1180	utf8::encode $uniq;	1755	utf8::encode $uniq;
1181	if (aio_open $uniq, O_RDONLY, 0) {	1756	if (aio_open $uniq, O_RDONLY, 0) {
1182	$self->clear_unique_items;	1757	$self->clear_unique_items;
1183	$self->load_objects ($uniq, 0);	1758	$self->_load_objects ($uniq, 0);
1184	}	1759	}
1185	}	1760	}
1186		1761
		1762	Coro::cede;
1187	# now do the right thing for maps	1763	# now do the right thing for maps
1188	$self->link_multipart_objects;	1764	$self->link_multipart_objects;
1189
1190	if ($self->{path}->is_style_map) {
1191	$self->{deny_save} = 1;
1192	$self->{deny_reset} = 1;
1193	} else {
1194	$self->fix_auto_apply;
1195	$self->decay_objects;
1196	$self->update_buttons;
1197	$self->set_darkness_map;
1198	$self->difficulty ($self->estimate_difficulty)	1765	$self->difficulty ($self->estimate_difficulty)
1199	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;
1200	$self->activate;	1776	$self->activate;
1201	}	1777	}
1202		1778
1203	$self->in_memory (cf::MAP_IN_MEMORY);	1779	$self->in_memory (cf::MAP_IN_MEMORY);
1204	}	1780	}
1205		1781
1206	sub load_map_sync {	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	$neigh->load;
		1818	}
		1819	}
		1820
		1821	sub find_sync {
1207	my ($path, $origin) = @_;	1822	my ($path, $origin) = @_;
1208		1823
1209	#warn "load_map_sync<$path, $origin>\n";#d#	1824	cf::sync_job { find $path, $origin }
		1825	}
1210		1826
1211	cf::sync_job {	1827	sub do_load_sync {
1212	my $map = cf::map::find_map $path, $origin	1828	my ($map) = @_;
1213	or return;	1829
		1830	cf::sync_job { $map->load };
		1831	}
		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;
1214	$map->load;	1851	$map->load;
1215	$map	1852
		1853	delete $MAP_PREFETCH{$path};
		1854	}
		1855	}
		1856	undef $MAP_PREFETCHER;
1216	}	1857	};
		1858	$MAP_PREFETCHER->prio (6);
		1859
		1860	()
1217	}	1861	}
1218		1862
1219	sub save {	1863	sub save {
1220	my ($self) = @_;	1864	my ($self) = @_;
1221		1865
		1866	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1867
1222	$self->{last_save} = $cf::RUNTIME;	1868	$self->{last_save} = $cf::RUNTIME;
1223		1869
1224	return unless $self->dirty;	1870	return unless $self->dirty;
1225		1871
1226	my $save = $self->{path}->save_path; utf8::encode $save;	1872	my $save = $self->save_path; utf8::encode $save;
1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1873	my $uniq = $self->uniq_path; utf8::encode $uniq;
1228		1874
1229	$self->{load_path} = $save;	1875	$self->{load_path} = $save;
1230		1876
1231	return if $self->{deny_save};	1877	return if $self->{deny_save};
1232		1878
		1879	local $self->{last_access} = $self->last_access;#d#
		1880
		1881	cf::async {
		1882	$_->contr->save for $self->players;
		1883	};
		1884
1233	if ($uniq) {	1885	if ($uniq) {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1235	$self->save_objects ($uniq, cf::IO_UNIQUES);	1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1236	} else {	1888	} else {
1237	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1889	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1238	}	1890	}
1239	}	1891	}
1240		1892
1241	sub swap_out {	1893	sub swap_out {
1242	my ($self) = @_;	1894	my ($self) = @_;
		1895
		1896	# save first because save cedes
		1897	$self->save;
		1898
		1899	my $lock = cf::lock_acquire "map_data:" . $self->path;
1243		1900
1244	return if $self->players;	1901	return if $self->players;
1245	return if $self->in_memory != cf::MAP_IN_MEMORY;	1902	return if $self->in_memory != cf::MAP_IN_MEMORY;
1246	return if $self->{deny_save};	1903	return if $self->{deny_save};
1247		1904
1248	$self->save;
1249	$self->clear;	1905	$self->clear;
1250	$self->in_memory (cf::MAP_SWAPPED);	1906	$self->in_memory (cf::MAP_SWAPPED);
1251	}	1907	}
1252		1908
1253	sub reset_at {	1909	sub reset_at {
1254	my ($self) = @_;	1910	my ($self) = @_;
1255		1911
1256	# TODO: safety, remove and allow resettable per-player maps	1912	# TODO: safety, remove and allow resettable per-player maps
1257	return 1e99 if $self->{path}{user_rel};
1258	return 1e99 if $self->{deny_reset};	1913	return 1e99 if $self->{deny_reset};
1259		1914
1260	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1915	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1261	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1916	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1262		1917
…		…
1267	my ($self) = @_;	1922	my ($self) = @_;
1268		1923
1269	$self->reset_at <= $cf::RUNTIME	1924	$self->reset_at <= $cf::RUNTIME
1270	}	1925	}
1271		1926
1272	sub unlink_save {
1273	my ($self) = @_;
1274
1275	utf8::encode (my $save = $self->{path}->save_path);
1276	aioreq_pri 3; IO::AIO::aio_unlink $save;
1277	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1278	}
1279
1280	sub rename {
1281	my ($self, $new_path) = @_;
1282
1283	$self->unlink_save;
1284
1285	delete $cf::MAP{$self->path};
1286	$self->{path} = new cf::path $new_path;
1287	$self->path ($self->{path}->as_string);
1288	$cf::MAP{$self->path} = $self;
1289
1290	$self->save;
1291	}
1292
1293	sub reset {	1927	sub reset {
1294	my ($self) = @_;	1928	my ($self) = @_;
1295		1929
		1930	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1931
1296	return if $self->players;	1932	return if $self->players;
1297	return if $self->{path}{user_rel};#d#
1298		1933
1299	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	}
1300		1945
1301	delete $cf::MAP{$self->path};	1946	delete $cf::MAP{$self->path};
		1947
		1948	$self->clear;
1302		1949
1303	$_->clear_links_to ($self) for values %cf::MAP;	1950	$_->clear_links_to ($self) for values %cf::MAP;
1304		1951
1305	$self->unlink_save;	1952	$self->unlink_save;
1306	$self->destroy;	1953	$self->destroy;
…		…
1309	my $nuke_counter = "aaaa";	1956	my $nuke_counter = "aaaa";
1310		1957
1311	sub nuke {	1958	sub nuke {
1312	my ($self) = @_;	1959	my ($self) = @_;
1313		1960
		1961	delete $cf::MAP{$self->path};
		1962
		1963	$self->unlink_save;
		1964
		1965	bless $self, "cf::map";
		1966	delete $self->{deny_reset};
1314	$self->{deny_save} = 1;	1967	$self->{deny_save} = 1;
1315	$self->reset_timeout (1);	1968	$self->reset_timeout (1);
1316	$self->rename ("{nuke}/" . ($nuke_counter++));	1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1970
		1971	$cf::MAP{$self->path} = $self;
		1972
1317	$self->reset; # polite request, might not happen	1973	$self->reset; # polite request, might not happen
1318	}	1974	}
1319		1975
1320	sub customise_for {	1976	=item $maps = cf::map::tmp_maps
1321	my ($map, $ob) = @_;
1322		1977
1323	if ($map->per_player) {	1978	Returns an arrayref with all map paths of currently instantiated and saved
1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1979	maps. May block.
		1980
		1981	=cut
		1982
		1983	sub tmp_maps() {
1325	}	1984	[
1326		1985	map {
1327	$map	1986	utf8::decode $_;
		1987	/\.map$/
		1988	? normalise $_
		1989	: ()
		1990	} @{ aio_readdir $TMPDIR or [] }
		1991	]
1328	}	1992	}
1329		1993
1330	sub emergency_save {	1994	=item $maps = cf::map::random_maps
1331	local $cf::FREEZE = 1;
1332		1995
1333	warn "enter emergency map save\n";	1996	Returns an arrayref with all map paths of currently instantiated and saved
		1997	random maps. May block.
1334		1998
1335	cf::sync_job {	1999	=cut
1336	warn "begin emergency map save\n";
1337	$_->save for values %cf::MAP;
1338	};
1339		2000
1340	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	]
1341	}	2028	}
1342		2029
1343	package cf;	2030	package cf;
1344		2031
1345	=back	2032	=back
1346		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
1347		2060
1348	=head3 cf::object::player	2061	=head3 cf::object::player
1349		2062
1350	=over 4	2063	=over 4
1351		2064
…		…
1365		2078
1366	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2079	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1367		2080
1368	if ($self->{record_replies}) {	2081	if ($self->{record_replies}) {
1369	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2082	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2083
1370	} 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 {
1371	$msg = $npc->name . " says: $msg" if $npc;	2097	$msg = $npc->name . " says: $msg" if $npc;
1372	$self->message ($msg, $flags);	2098	$self->message ($msg, $flags);
		2099	}
1373	}	2100	}
1374	}	2101	}
1375		2102
1376	=item $player_object->may ("access")	2103	=item $player_object->may ("access")
1377		2104
…		…
1391		2118
1392	=item $player_object->enter_link	2119	=item $player_object->enter_link
1393		2120
1394	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}>).
1395		2122
1396	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
1397	I<MUST> call C<leave_link> as soon as possible, though.	2124	I<MUST> call C<leave_link> as soon as possible, though.
1398		2125
		2126	Will never block.
		2127
1399	=item $player_object->leave_link ($map, $x, $y)	2128	=item $player_object->leave_link ($map, $x, $y)
1400		2129
1401	Moves the player out of the specila link map onto the given map. If the	2130	Moves the player out of the special C<{link}> map onto the specified
1402	map is not valid (or omitted), the player will be moved back to the	2131	map. If the map is not valid (or omitted), the player will be moved back
1403	location he/she was before the call to C<enter_link>, or, if that fails,	2132	to the location he/she was before the call to C<enter_link>, or, if that
1404	to the emergency map position.	2133	fails, to the emergency map position.
1405		2134
1406	Might block.	2135	Might block.
1407		2136
1408	=cut	2137	=cut
		2138
		2139	sub link_map {
		2140	unless ($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	$LINK_MAP
		2147	}
1409		2148
1410	sub cf::object::player::enter_link {	2149	sub cf::object::player::enter_link {
1411	my ($self) = @_;	2150	my ($self) = @_;
1412		2151
1413	return if $self->map == $LINK_MAP;
1414
1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
1416	if $self->map;
1417
1418	$self->enter_map ($LINK_MAP, 20, 20);
1419	$self->deactivate_recursive;	2152	$self->deactivate_recursive;
		2153
		2154	return if UNIVERSAL::isa $self->map, "ext::map_link";
		2155
		2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		2157	if $self->map && $self->map->{path} ne "{link}";
		2158
		2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1420	}	2160	}
1421		2161
1422	sub cf::object::player::leave_link {	2162	sub cf::object::player::leave_link {
1423	my ($self, $map, $x, $y) = @_;	2163	my ($self, $map, $x, $y) = @_;
		2164
		2165	return unless $self->contr->active;
1424		2166
1425	my $link_pos = delete $self->{_link_pos};	2167	my $link_pos = delete $self->{_link_pos};
1426		2168
1427	unless ($map) {	2169	unless ($map) {
1428	# restore original map position	2170	# restore original map position
1429	($map, $x, $y) = @{ $link_pos || [] };	2171	($map, $x, $y) = @{ $link_pos || [] };
1430	$map = cf::map::find_map $map;	2172	$map = cf::map::find $map;
1431		2173
1432	unless ($map) {	2174	unless ($map) {
1433	($map, $x, $y) = @$EMERGENCY_POSITION;	2175	($map, $x, $y) = @$EMERGENCY_POSITION;
1434	$map = cf::map::find_map $map	2176	$map = cf::map::find $map
1435	or die "FATAL: cannot load emergency map\n";	2177	or die "FATAL: cannot load emergency map\n";
1436	}	2178	}
1437	}	2179	}
1438		2180
1439	($x, $y) = (-1, -1)	2181	($x, $y) = (-1, -1)
…		…
1442	# use -1 or undef as default coordinates, not 0, 0	2184	# use -1 or undef as default coordinates, not 0, 0
1443	($x, $y) = ($map->enter_x, $map->enter_y)	2185	($x, $y) = ($map->enter_x, $map->enter_y)
1444	if $x <=0 && $y <= 0;	2186	if $x <=0 && $y <= 0;
1445		2187
1446	$map->load;	2188	$map->load;
		2189	$map->load_diag;
1447		2190
		2191	return unless $self->contr->active;
1448	$self->activate_recursive;	2192	$self->activate_recursive;
		2193
		2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1449	$self->enter_map ($map, $x, $y);	2195	$self->enter_map ($map, $x, $y);
1450	}	2196	}
1451		2197
1452	=item $player_object->goto_map ($path, $x, $y)	2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1453		2199
1454	=cut	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.
1455		2204
		2205	=cut
		2206
		2207	our $GOTOGEN;
		2208
1456	sub cf::object::player::goto_map {	2209	sub cf::object::player::goto {
1457	my ($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;
1458		2214
1459	$self->enter_link;	2215	$self->enter_link;
1460		2216
1461	(Coro::async {	2217	(async {
1462	$path = new cf::path $path;	2218	my $map = eval {
1463
1464	my $map = cf::map::find_map $path->as_string;	2219	my $map = cf::map::find $path;
		2220
		2221	if ($map) {
1465	$map = $map->customise_for ($self) if $map;	2222	$map = $map->customise_for ($self);
1466		2223	$map = $check->($map) if $check && $map;
1467	# warn "entering ", $map->path, " at ($x, $y)\n"	2224	} else {
1468	# if $map;
1469
1470	$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	}
1471		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};
1472	$self->leave_link ($map, $x, $y);	2238	$self->leave_link ($map, $x, $y);
		2239	}
1473	})->prio (1);	2240	})->prio (1);
1474	}	2241	}
1475		2242
1476	=item $player_object->enter_exit ($exit_object)	2243	=item $player_object->enter_exit ($exit_object)
1477		2244
…		…
1479		2246
1480	sub parse_random_map_params {	2247	sub parse_random_map_params {
1481	my ($spec) = @_;	2248	my ($spec) = @_;
1482		2249
1483	my $rmp = { # defaults	2250	my $rmp = { # defaults
1484	xsize => 10,	2251	xsize => (cf::rndm 15, 40),
1485	ysize => 10,	2252	ysize => (cf::rndm 15, 40),
		2253	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2254	#layout => string,
1486	};	2255	};
1487		2256
1488	for (split /\n/, $spec) {	2257	for (split /\n/, $spec) {
1489	my ($k, $v) = split /\s+/, $_, 2;	2258	my ($k, $v) = split /\s+/, $_, 2;
1490		2259
…		…
1494	$rmp	2263	$rmp
1495	}	2264	}
1496		2265
1497	sub prepare_random_map {	2266	sub prepare_random_map {
1498	my ($exit) = @_;	2267	my ($exit) = @_;
		2268
		2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
1499		2270
1500	# all this does is basically replace the /! path by	2271	# all this does is basically replace the /! path by
1501	# a new random map path (?random/...) with a seed	2272	# a new random map path (?random/...) with a seed
1502	# that depends on the exit object	2273	# that depends on the exit object
1503		2274
1504	my $rmp = parse_random_map_params $exit->msg;	2275	my $rmp = parse_random_map_params $exit->msg;
1505		2276
1506	if ($exit->map) {	2277	if ($exit->map) {
1507	$rmp->{region} = $exit->map->region_name;	2278	$rmp->{region} = $exit->region->name;
1508	$rmp->{origin_map} = $exit->map->path;	2279	$rmp->{origin_map} = $exit->map->path;
1509	$rmp->{origin_x} = $exit->x;	2280	$rmp->{origin_x} = $exit->x;
1510	$rmp->{origin_y} = $exit->y;	2281	$rmp->{origin_y} = $exit->y;
1511	}	2282	}
1512		2283
1513	$rmp->{random_seed} ||= $exit->random_seed;	2284	$rmp->{random_seed} ||= $exit->random_seed;
1514		2285
1515	my $data = cf::to_json $rmp;	2286	my $data = cf::to_json $rmp;
1516	my $md5 = Digest::MD5::md5_hex $data;	2287	my $md5 = Digest::MD5::md5_hex $data;
		2288	my $meta = "$RANDOMDIR/$md5.meta";
1517		2289
1518	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) {
1519	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;
1520		2294
1521	$exit->slaying ("?random/$md5");	2295	$exit->slaying ("?random/$md5");
1522	$exit->msg (undef);	2296	$exit->msg (undef);
1523	}	2297	}
1524	}	2298	}
…		…
1526	sub cf::object::player::enter_exit {	2300	sub cf::object::player::enter_exit {
1527	my ($self, $exit) = @_;	2301	my ($self, $exit) = @_;
1528		2302
1529	return unless $self->type == cf::PLAYER;	2303	return unless $self->type == cf::PLAYER;
1530		2304
		2305	if ($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
1531	$self->enter_link;	2316	$self->enter_link;
1532		2317
1533	(Coro::async {	2318	(async {
		2319	$self->deactivate_recursive; # just to be sure
1534	unless (eval {	2320	unless (eval {
1535		2321	$self->goto ($slaying, $hp, $sp);
1536	prepare_random_map $exit
1537	if $exit->slaying eq "/!";
1538
1539	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1540	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1541		2322
1542	1;	2323	1;
1543	}) {	2324	}) {
1544	$self->message ("Something went wrong deep within the crossfire server. "	2325	$self->message ("Something went wrong deep within the crossfire server. "
1545	. "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. "
1546	. "Please report this to the dungeon master",	2327	. "Please report this to the dungeon master!",
1547	cf::NDI_UNIQUE | cf::NDI_RED);	2328	cf::NDI_UNIQUE | cf::NDI_RED);
1548		2329
1549	warn "ERROR in enter_exit: $@";	2330	warn "ERROR in enter_exit: $@";
1550	$self->leave_link;	2331	$self->leave_link;
1551	}	2332	}
1552	})->prio (1);	2333	})->prio (1);
…		…
1565		2346
1566	sub cf::client::send_drawinfo {	2347	sub cf::client::send_drawinfo {
1567	my ($self, $text, $flags) = @_;	2348	my ($self, $text, $flags) = @_;
1568		2349
1569	utf8::encode $text;	2350	utf8::encode $text;
1570	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1571	}	2352	}
1572		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	}
1573		2403
1574	=item $success = $client->query ($flags, "text", \&cb)	2404	=item $success = $client->query ($flags, "text", \&cb)
1575		2405
1576	Queues a query to the client, calling the given callback with	2406	Queues a query to the client, calling the given callback with
1577	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>,
…		…
1602	on_reply => sub {	2432	on_reply => sub {
1603	my ($ns, $msg) = @_;	2433	my ($ns, $msg) = @_;
1604		2434
1605	# this weird shuffling is so that direct followup queries	2435	# this weird shuffling is so that direct followup queries
1606	# get handled first	2436	# get handled first
1607	my $queue = delete $ns->{query_queue};	2437	my $queue = delete $ns->{query_queue}
		2438	or return; # be conservative, not sure how that can happen, but we saw a crash here
1608		2439
1609	(shift @$queue)->[1]->($msg);	2440	(shift @$queue)->[1]->($msg);
		2441	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1610		2442
1611	push @{ $ns->{query_queue} }, @$queue;	2443	push @{ $ns->{query_queue} }, @$queue;
1612		2444
1613	if (@{ $ns->{query_queue} } == @$queue) {	2445	if (@{ $ns->{query_queue} } == @$queue) {
1614	if (@$queue) {	2446	if (@$queue) {
…		…
1618	}	2450	}
1619	}	2451	}
1620	},	2452	},
1621	);	2453	);
1622		2454
1623	=item $client->coro (\&cb)	2455	=item $client->async (\&cb)
1624		2456
1625	Create a new coroutine, running the specified callback. The coroutine will	2457	Create a new coroutine, running the specified callback. The coroutine will
1626	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,
1627	or loss of connection).	2459	or loss of connection).
1628		2460
1629	=cut	2461	=cut
1630		2462
1631	sub cf::client::coro {	2463	sub cf::client::async {
1632	my ($self, $cb) = @_;	2464	my ($self, $cb) = @_;
1633		2465
1634	my $coro; $coro = async {	2466	my $coro = &Coro::async ($cb);
1635	eval {
1636	$cb->();
1637	};
1638	warn $@ if $@;
1639	};
1640		2467
1641	$coro->on_destroy (sub {	2468	$coro->on_destroy (sub {
1642	delete $self->{_coro}{$coro+0};	2469	delete $self->{_coro}{$coro+0};
1643	});	2470	});
1644		2471
…		…
1677		2504
1678	# here we export the classes and methods available to script code	2505	# here we export the classes and methods available to script code
1679		2506
1680	=pod	2507	=pod
1681		2508
1682	The following fucntions and emthods are available within a safe environment:	2509	The following functions and methods are available within a safe environment:
1683		2510
1684	cf::object contr pay_amount pay_player map	2511	cf::object contr pay_amount pay_player map
1685	cf::object::player player	2512	cf::object::player player
1686	cf::player peaceful	2513	cf::player peaceful
1687	cf::map trigger	2514	cf::map trigger
…		…
1768	=back	2595	=back
1769		2596
1770	=cut	2597	=cut
1771		2598
1772	#############################################################################	2599	#############################################################################
		2600	# the server's init and main functions
1773		2601
1774	=head2 EXTENSION DATABASE SUPPORT	2602	sub load_facedata($) {
		2603	my ($path) = @_;
1775		2604
1776	Crossfire maintains a very simple database for extension use. It can	2605	warn "loading facedata from $path\n";
1777	currently store anything that can be serialised using Storable, which
1778	excludes objects.
1779		2606
1780	The parameter C<$family> should best start with the name of the extension	2607	my $facedata;
1781	using it, it should be unique.	2608	0 < aio_load $path, $facedata
		2609	or die "$path: $!";
1782		2610
1783	=over 4	2611	$facedata = Coro::Storable::thaw $facedata;
1784		2612
1785	=item $hashref = cf::db_get $family	2613	$facedata->{version} == 2
		2614	or cf::cleanup "$path: version mismatch, cannot proceed.";
1786		2615
1787	Return a hashref for use by the extension C<$family>, which can be
1788	modified. After modifications, you have to call C<cf::db_dirty> or
1789	C<cf::db_sync>.
1790
1791	=item $value = cf::db_get $family => $key
1792
1793	Returns a single value from the database
1794
1795	=item cf::db_put $family => $hashref
1796
1797	Stores the given family hashref into the database. Updates are delayed, if
1798	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1799
1800	=item cf::db_put $family => $key => $value
1801
1802	Stores the given C<$value> in the family hash. Updates are delayed, if you
1803	want the data to be synced to disk immediately, use C<cf::db_sync>.
1804
1805	=item cf::db_dirty
1806
1807	Marks the database as dirty, to be updated at a later time.
1808
1809	=item cf::db_sync
1810
1811	Immediately write the database to disk I<if it is dirty>.
1812
1813	=cut
1814
1815	our $DB;
1816
1817	{
1818	my $path = cf::localdir . "/database.pst";
1819
1820	sub db_load() {
1821	warn "loading database $path\n";#d# remove later
1822	$DB = stat $path ? Storable::retrieve $path : { };
1823	}	2616	{
		2617	my $faces = $facedata->{faceinfo};
1824		2618
1825	my $pid;	2619	while (my ($face, $info) = each %$faces) {
1826		2620	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1827	sub db_save() {	2621	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
1828	warn "saving database $path\n";#d# remove later	2622	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
1829	waitpid $pid, 0 if $pid;	2623	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
1830	if (0 == ($pid = fork)) {	2624	Coro::cede;
1831	$DB->{_meta}{version} = 1;
1832	Storable::nstore $DB, "$path~";
1833	rename "$path~", $path;
1834	cf::_exit 0 if defined $pid;
1835	}
1836	}
1837
1838	my $dirty;
1839
1840	sub db_sync() {
1841	db_save if $dirty;
1842	undef $dirty;
1843	}
1844
1845	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1846	db_sync;
1847	});
1848
1849	sub db_dirty() {
1850	$dirty = 1;
1851	$idle->start;
1852	}
1853
1854	sub db_get($;$) {
1855	@_ >= 2
1856	? $DB->{$_[0]}{$_[1]}
1857	: ($DB->{$_[0]} ||= { })
1858	}
1859
1860	sub db_put($$;$) {
1861	if (@_ >= 3) {
1862	$DB->{$_[0]}{$_[1]} = $_[2];
1863	} else {
1864	$DB->{$_[0]} = $_[1];
1865	}
1866	db_dirty;
1867	}
1868
1869	cf::global->attach (
1870	prio => 10000,
1871	on_cleanup => sub {
1872	db_sync;
1873	},	2625	}
1874	);
1875	}
1876		2626
1877	#############################################################################	2627	while (my ($face, $info) = each %$faces) {
1878	# 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	}
1879		2689
1880	sub cfg_load {	2690	sub cfg_load {
1881	open my $fh, "<:utf8", cf::confdir . "/config"	2691	open my $fh, "<:utf8", "$CONFDIR/config"
1882	or return;	2692	or return;
1883		2693
1884	local $/;	2694	local $/;
1885	*CFG = YAML::Syck::Load <$fh>;	2695	*CFG = YAML::Syck::Load <$fh>;
		2696
		2697	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2698
		2699	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2700	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2701
		2702	if (exists $CFG{mlockall}) {
		2703	eval {
		2704	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2705	and die "WARNING: m(un)lockall failed: $!\n";
		2706	};
		2707	warn $@ if $@;
		2708	}
1886	}	2709	}
1887		2710
1888	sub main {	2711	sub main {
1889	# we must not ever block the main coroutine	2712	# we must not ever block the main coroutine
1890	local $Coro::idle = sub {	2713	local $Coro::idle = sub {
1891	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#
1892	(Coro::unblock_sub {	2715	(async {
1893	Event::one_event;	2716	Event::one_event;
1894	})->();	2717	})->prio (Coro::PRIO_MAX);
1895	};	2718	};
1896		2719
1897	cfg_load;	2720	cfg_load;
1898	db_load;	2721	db_init;
1899	load_extensions;	2722	load_extensions;
		2723
		2724	$TICK_WATCHER->start;
1900	Event::loop;	2725	Event::loop;
1901	}	2726	}
1902		2727
1903	#############################################################################	2728	#############################################################################
1904	# initialisation	2729	# initialisation and cleanup
1905		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 $make_core;
		2822	}
		2823
1906	sub reload() {	2824	sub do_reload_perl() {
1907	# can/must only be called in main	2825	# can/must only be called in main
1908	if ($Coro::current != $Coro::main) {	2826	if ($Coro::current != $Coro::main) {
1909	warn "can only reload from main coroutine\n";	2827	warn "can only reload from main coroutine";
1910	return;	2828	return;
1911	}	2829	}
1912		2830
1913	warn "reloading...";	2831	warn "reloading...";
1914		2832
1915	local $FREEZE = 1;	2833	warn "entering sync_job";
		2834
		2835	cf::sync_job {
		2836	cf::write_runtime; # external watchdog should not bark
1916	cf::emergency_save;	2837	cf::emergency_save;
		2838	cf::write_runtime; # external watchdog should not bark
1917		2839
1918	eval {	2840	warn "syncing database to disk";
		2841	BDB::db_env_txn_checkpoint $DB_ENV;
		2842
1919	# 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
1920		2844
1921	# cancel all watchers	2845	warn "cancelling all WF_AUTOCANCEL watchers";
1922	for (Event::all_watchers) {	2846	for (Event::all_watchers) {
1923	$_->cancel if $_->data & WF_AUTOCANCEL;	2847	$_->cancel if $_->data & WF_AUTOCANCEL;
1924	}	2848	}
1925		2849
		2850	warn "flushing outstanding aio requests";
		2851	for (;;) {
		2852	BDB::flush;
		2853	IO::AIO::flush;
		2854	Coro::cede;
		2855	last unless IO::AIO::nreqs || BDB::nreqs;
		2856	warn "iterate...";
		2857	}
		2858
		2859	++$RELOAD;
		2860
1926	# cancel all extension coros	2861	warn "cancelling all extension coros";
1927	$_->cancel for values %EXT_CORO;	2862	$_->cancel for values %EXT_CORO;
1928	%EXT_CORO = ();	2863	%EXT_CORO = ();
1929		2864
1930	# unload all extensions	2865	warn "removing commands";
1931	for (@exts) {	2866	%COMMAND = ();
		2867
		2868	warn "removing ext commands";
		2869	%EXTCMD = ();
		2870
		2871	warn "unloading/nuking all extensions";
		2872	for my $pkg (@EXTS) {
1932	warn "unloading <$_>";	2873	warn "... unloading $pkg";
1933	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: $@";
1934	}	2880	}
1935		2881
		2882	warn "... nuking $pkg";
		2883	Symbol::delete_package $pkg;
		2884	}
		2885
1936	# unload all modules loaded from $LIBDIR	2886	warn "unloading all perl modules loaded from $LIBDIR";
1937	while (my ($k, $v) = each %INC) {	2887	while (my ($k, $v) = each %INC) {
1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2888	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1939		2889
1940	warn "removing <$k>";	2890	warn "... unloading $k";
1941	delete $INC{$k};	2891	delete $INC{$k};
1942		2892
1943	$k =~ s/\.pm$//;	2893	$k =~ s/\.pm$//;
1944	$k =~ s/\//::/g;	2894	$k =~ s/\//::/g;
1945		2895
…		…
1948	}	2898	}
1949		2899
1950	Symbol::delete_package $k;	2900	Symbol::delete_package $k;
1951	}	2901	}
1952		2902
1953	# sync database to disk
1954	cf::db_sync;
1955	IO::AIO::flush;
1956
1957	# get rid of safe::, as good as possible	2903	warn "getting rid of safe::, as good as possible";
1958	Symbol::delete_package "safe::$_"	2904	Symbol::delete_package "safe::$_"
1959	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);
1960		2906
1961	# remove register_script_function callbacks
1962	# TODO
1963
1964	# unload cf.pm "a bit"	2907	warn "unloading cf.pm \"a bit\"";
1965	delete $INC{"cf.pm"};	2908	delete $INC{"cf.pm"};
		2909	delete $INC{"cf/pod.pm"};
1966		2910
1967	# don't, removes xs symbols, too,	2911	# don't, removes xs symbols, too,
1968	# and global variables created in xs	2912	# and global variables created in xs
1969	#Symbol::delete_package __PACKAGE__;	2913	#Symbol::delete_package __PACKAGE__;
1970		2914
1971	# reload cf.pm	2915	warn "unload completed, starting to reload now";
		2916
1972	warn "reloading cf.pm";	2917	warn "reloading cf.pm";
1973	require cf;	2918	require cf;
1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2919	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1975		2920
1976	# load config and database again	2921	warn "loading config and database again";
1977	cf::cfg_load;	2922	cf::cfg_load;
1978	cf::db_load;
1979		2923
1980	# load extensions
1981	warn "load extensions";	2924	warn "loading extensions";
1982	cf::load_extensions;	2925	cf::load_extensions;
1983		2926
1984	# reattach attachments to objects	2927	warn "reattaching attachments to objects/players";
1985	warn "reattach";	2928	_global_reattach; # objects, sockets
1986	_global_reattach;	2929	warn "reattaching attachments to maps";
1987	};	2930	reattach $_ for values %MAP;
		2931	warn "reattaching attachments to players";
		2932	reattach $_ for values %PLAYER;
1988		2933
1989	if ($@) {	2934	warn "leaving sync_job";
		2935
		2936	1
		2937	} or do {
1990	warn $@;	2938	warn $@;
1991	warn "error while reloading, exiting.";	2939	warn "error while reloading, exiting.";
1992	exit 1;	2940	exit 1;
1993	}	2941	};
1994		2942
1995	warn "reloaded successfully";	2943	warn "reloaded";
1996	};	2944	};
1997		2945
1998	#############################################################################	2946	our $RELOAD_WATCHER; # used only during reload
1999		2947
2000	unless ($LINK_MAP) {	2948	sub reload_perl() {
2001	$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.
2002		2951
2003	$LINK_MAP->width (41);	2952	$RELOAD_WATCHER ||= Event->timer (
2004	$LINK_MAP->height (41);	2953	reentrant => 0,
2005	$LINK_MAP->alloc;
2006	$LINK_MAP->path ("{link}");
2007	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2008	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2009
2010	# dirty hack because... archetypes are not yet loaded
2011	Event->timer (
2012	after => 2,	2954	after => 0,
		2955	data => WF_AUTOCANCEL,
2013	cb => sub {	2956	cb => sub {
2014	$_[0]->w->cancel;	2957	do_reload_perl;
2015		2958	undef $RELOAD_WATCHER;
2016	# provide some exits "home"
2017	my $exit = cf::object::new "exit";
2018
2019	$exit->slaying ($EMERGENCY_POSITION->[0]);
2020	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2021	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2022
2023	$LINK_MAP->insert ($exit->clone, 19, 19);
2024	$LINK_MAP->insert ($exit->clone, 19, 20);
2025	$LINK_MAP->insert ($exit->clone, 19, 21);
2026	$LINK_MAP->insert ($exit->clone, 20, 19);
2027	$LINK_MAP->insert ($exit->clone, 20, 21);
2028	$LINK_MAP->insert ($exit->clone, 21, 19);
2029	$LINK_MAP->insert ($exit->clone, 21, 20);
2030	$LINK_MAP->insert ($exit->clone, 21, 21);
2031
2032	$exit->destroy;
2033	});	2959	},
2034		2960	);
2035	$LINK_MAP->{deny_save} = 1;
2036	$LINK_MAP->{deny_reset} = 1;
2037
2038	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2039	}	2961	}
2040
2041	register "<global>", __PACKAGE__;
2042		2962
2043	register_command "reload" => sub {	2963	register_command "reload" => sub {
2044	my ($who, $arg) = @_;	2964	my ($who, $arg) = @_;
2045		2965
2046	if ($who->flag (FLAG_WIZ)) {	2966	if ($who->flag (FLAG_WIZ)) {
2047	$who->message ("start of reload.");
2048	reload;
2049	$who->message ("end of reload.");	2967	$who->message ("reloading server.");
		2968	async { reload_perl };
2050	}	2969	}
2051	};	2970	};
2052		2971
2053	unshift @INC, $LIBDIR;	2972	unshift @INC, $LIBDIR;
2054		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;
2055	$TICK_WATCHER = Event->timer (	2999	$TICK_WATCHER = Event->timer (
2056	reentrant => 0,	3000	reentrant => 0,
		3001	parked => 1,
2057	prio => 0,	3002	prio => 0,
2058	at => $NEXT_TICK || $TICK,	3003	at => $NEXT_TICK || $TICK,
2059	data => WF_AUTOCANCEL,	3004	data => WF_AUTOCANCEL,
2060	cb => sub {	3005	cb => sub {
2061	unless ($FREEZE) {	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
2062	cf::server_tick; # one server iteration	3014	cf::server_tick; # one server iteration
2063	$RUNTIME += $TICK;	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
2064	}	3037	};
2065		3038
		3039	$RUNTIME += $TICK;
2066	$NEXT_TICK += $TICK;	3040	$NEXT_TICK += $TICK;
2067		3041
		3042	if ($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
2068	# 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
2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3063	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2070		3064
2071	$TICK_WATCHER->at ($NEXT_TICK);	3065	$TICK_WATCHER->at ($NEXT_TICK);
2072	$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
2073	},	3074	},
2074	);	3075	);
2075		3076
		3077	{
2076	IO::AIO::max_poll_time $TICK * 0.2;	3078	BDB::max_poll_time $TICK * 0.1;
2077		3079	$BDB_POLL_WATCHER = Event->io (
2078	Event->io (	3080	reentrant => 0,
2079	fd => IO::AIO::poll_fileno,	3081	fd => BDB::poll_fileno,
2080	poll => 'r',	3082	poll => 'r',
2081	prio => 5,	3083	prio => 0,
2082	data => WF_AUTOCANCEL,
2083	cb => \&IO::AIO::poll_cb,
2084	);
2085
2086	Event->timer (
2087	data => WF_AUTOCANCEL,	3084	data => WF_AUTOCANCEL,
2088	after => 0,	3085	cb => \&BDB::poll_cb,
2089	interval => 10,	3086	);
2090	cb => sub {	3087	BDB::min_parallel 8;
2091	(Coro::unblock_sub {	3088
2092	write_runtime	3089	BDB::set_sync_prepare {
2093	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 $@;
2094	})->();	3123	};
2095	},	3124	}
2096	);	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;
		3182
		3183	END { cf::emergency_save }
2097		3184
2098	1	3185	1
2099		3186

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