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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.178 by root, Thu Jan 18 00:06:55 2007 UTC vs.
Revision 1.410 by root, Tue Jan 15 12:02:24 2008 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 Storable;	8	use Socket;
		9	use EV 1.86;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.4 ();	15	use Coro 4.32 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
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::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
19		26
		27	use JSON::XS 2.01 ();
		28	use BDB ();
20	use Data::Dumper;	29	use Data::Dumper;
21	use Digest::MD5;	30	use Digest::MD5;
22	use Fcntl;	31	use Fcntl;
		32	use YAML ();
23	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	34	use Time::HiRes;
		35	use Compress::LZF;
		36	use Digest::MD5 ();
26		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	# configure various modules to our taste
		39	#
		40	$Storable::canonical = 1; # reduce rsync transfers
		41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		43
		44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		45
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
36	our %COMMAND = ();	48	our %COMMAND = ();
37	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
38		50
39	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		59
47	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	our %RESOURCE;
		72
		73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	74	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	77	our $NEXT_TICK;
52	our $NOW;	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
		84	our $DB_ENV;
53		85
54	our %CFG;	86	our %CFG;
55		87
56	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
58		91
59	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	133	every server tick.
102		134
103	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
115		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
140	LOG llevError, $msg;	192	LOG llevError, $msg;
141	};	193	};
142	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	return unless $^S eq 0; # "eq", not "=="
		198
		199	if ($Coro::current == $Coro::main) {#d#
		200	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		201	return;#d#
		202	}#d#
		203
		204	# kill coroutine otherwise
		205	warn Carp::longmess $_[0];
		206	Coro::terminate
		207	};
		208
		209	$SIG{__DIE__} = sub { }; #d#?
143		210
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	215	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		216	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	217	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		218
151	# we bless all objects into (empty) derived classes to force a method lookup	219	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	220	# within the Safe compartment.
153	for my $pkg (qw(	221	for my $pkg (qw(
154	cf::global cf::attachable	222	cf::global cf::attachable
…		…
159	)) {	227	)) {
160	no strict 'refs';	228	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	230	}
163		231
164	$Event::DIED = sub {	232	$EV::DIED = sub {
165	warn "error in event callback: @_";	233	warn "error in event callback: @_";
166	};	234	};
		235
		236	#############################################################################
167		237
168	=head2 UTILITY FUNCTIONS	238	=head2 UTILITY FUNCTIONS
169		239
170	=over 4	240	=over 4
171		241
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	260	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	261	$d
192	} || "[unable to dump $_[0]: '$@']";	262	} || "[unable to dump $_[0]: '$@']";
193	}	263	}
194		264
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	265	=item $ref = cf::decode_json $json
198		266
199	Converts a JSON string into the corresponding perl data structure.	267	Converts a JSON string into the corresponding perl data structure.
200		268
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	269	=item $json = cf::encode_json $ref
209		270
210	Converts a perl data structure into its JSON representation.	271	Converts a perl data structure into its JSON representation.
211		272
212	=cut	273	=cut
213		274
214	sub to_json($) {	275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	276
216	JSON::Syck::Dump $_[0]	277	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	278	sub decode_json($) { $json_coder->decode ($_[0]) }
218		279
219	=item cf::lock_wait $string	280	=item cf::lock_wait $string
220		281
221	Wait until the given lock is available. See cf::lock_acquire.	282	Wait until the given lock is available. See cf::lock_acquire.
222		283
…		…
225	Wait until the given lock is available and then acquires it and returns	286	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	287	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	288	for example when the coroutine gets canceled), the lock is automatically
228	returned.	289	returned.
229		290
		291	Locks are *not* recursive, locking from the same coro twice results in a
		292	deadlocked coro.
		293
230	Lock names should begin with a unique identifier (for example, cf::map::find	294	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	295	uses map_find and cf::map::load uses map_load).
232		296
		297	=item $locked = cf::lock_active $string
		298
		299	Return true if the lock is currently active, i.e. somebody has locked it.
		300
233	=cut	301	=cut
234		302
235	our %LOCK;	303	our %LOCK;
		304	our %LOCKER;#d#
236		305
237	sub lock_wait($) {	306	sub lock_wait($) {
238	my ($key) = @_;	307	my ($key) = @_;
		308
		309	if ($LOCKER{$key} == $Coro::current) {#d#
		310	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		311	return;#d#
		312	}#d#
239		313
240	# wait for lock, if any	314	# wait for lock, if any
241	while ($LOCK{$key}) {	315	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	316	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	317	Coro::schedule;
…		…
249		323
250	# wait, to be sure we are not locked	324	# wait, to be sure we are not locked
251	lock_wait $key;	325	lock_wait $key;
252		326
253	$LOCK{$key} = [];	327	$LOCK{$key} = [];
		328	$LOCKER{$key} = $Coro::current;#d#
254		329
255	Coro::guard {	330	Coro::guard {
		331	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	332	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	333	$_->ready for @{ delete $LOCK{$key} };
258	}	334	}
259	}	335	}
260		336
		337	sub lock_active($) {
		338	my ($key) = @_;
		339
		340	! ! $LOCK{$key}
		341	}
		342
261	sub freeze_mainloop {	343	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	344	return unless $TICK_WATCHER->is_active;
263		345
264	my $guard = Coro::guard {	346	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	347	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	348	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	349	$TICK_WATCHER->stop;
270	$guard	350	$guard
		351	}
		352
		353	=item cf::periodic $interval, $cb
		354
		355	Like EV::periodic, but randomly selects a starting point so that the actions
		356	get spread over timer.
		357
		358	=cut
		359
		360	sub periodic($$) {
		361	my ($interval, $cb) = @_;
		362
		363	my $start = rand List::Util::min 180, $interval;
		364
		365	EV::periodic $start, $interval, 0, $cb
		366	}
		367
		368	=item cf::get_slot $time[, $priority[, $name]]
		369
		370	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		371	This call blocks and returns only when you have at least C<$time> seconds
		372	of cpu time till the next tick. The slot is only valid till the next cede.
		373
		374	The optional C<$name> can be used to identify the job to run. It might be
		375	used for statistical purposes and should identify the same time-class.
		376
		377	Useful for short background jobs.
		378
		379	=cut
		380
		381	our @SLOT_QUEUE;
		382	our $SLOT_QUEUE;
		383
		384	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		385	$SLOT_QUEUE = Coro::async {
		386	$Coro::current->desc ("timeslot manager");
		387
		388	my $signal = new Coro::Signal;
		389
		390	while () {
		391	next_job:
		392	my $avail = cf::till_tick;
		393	if ($avail > 0.01) {
		394	for (0 .. $#SLOT_QUEUE) {
		395	if ($SLOT_QUEUE[$_][0] < $avail) {
		396	my $job = splice @SLOT_QUEUE, $_, 1, ();
		397	$job->[2]->send;
		398	Coro::cede;
		399	goto next_job;
		400	}
		401	}
		402	}
		403
		404	if (@SLOT_QUEUE) {
		405	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		406	push @cf::WAIT_FOR_TICK, $signal;
		407	$signal->wait;
		408	} else {
		409	Coro::schedule;
		410	}
		411	}
		412	};
		413
		414	sub get_slot($;$$) {
		415	my ($time, $pri, $name) = @_;
		416
		417	$time = $TICK * .6 if $time > $TICK * .6;
		418	my $sig = new Coro::Signal;
		419
		420	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		421	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		422	$SLOT_QUEUE->ready;
		423	$sig->wait;
271	}	424	}
272		425
273	=item cf::async { BLOCK }	426	=item cf::async { BLOCK }
274		427
275	Currently the same as Coro::async_pool, meaning you cannot use	428	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		433
281	BEGIN { *async = \&Coro::async_pool }	434	BEGIN { *async = \&Coro::async_pool }
282		435
283	=item cf::sync_job { BLOCK }	436	=item cf::sync_job { BLOCK }
284		437
285	The design of crossfire+ requires that the main coro ($Coro::main) is	438	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	439	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	440	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		441	acceptable.
288		442
289	If it must be done, put the blocking parts into C<sync_job>. This will run	443	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	444	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	445	server will be frozen during this time, so the block should either finish
292	fast or be very important.	446	fast or be very important.
…		…
295		449
296	sub sync_job(&) {	450	sub sync_job(&) {
297	my ($job) = @_;	451	my ($job) = @_;
298		452
299	if ($Coro::current == $Coro::main) {	453	if ($Coro::current == $Coro::main) {
		454	my $time = EV::time;
		455
300	# this is the main coro, too bad, we have to block	456	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	457	# till the operation succeeds, freezing the server :/
302		458
		459	LOG llevError, Carp::longmess "sync job";#d#
		460
303	# TODO: use suspend/resume instead	461	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	462	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	463	my $freeze_guard = freeze_mainloop;
306		464
307	my $busy = 1;	465	my $busy = 1;
308	my @res;	466	my @res;
309		467
310	(async {	468	(async {
		469	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	470	@res = eval { $job->() };
312	warn $@ if $@;	471	warn $@ if $@;
313	undef $busy;	472	undef $busy;
314	})->prio (Coro::PRIO_MAX);	473	})->prio (Coro::PRIO_MAX);
315		474
316	while ($busy) {	475	while ($busy) {
317	Coro::cede or Event::one_event;	476	if (Coro::nready) {
		477	Coro::cede_notself;
		478	} else {
		479	EV::loop EV::LOOP_ONESHOT;
318	}	480	}
		481	}
		482
		483	$time = EV::time - $time;
		484
		485	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		486	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		487
		488	$tick_start += $time; # do not account sync jobs to server load
319		489
320	wantarray ? @res : $res[0]	490	wantarray ? @res : $res[0]
321	} else {	491	} else {
322	# we are in another coroutine, how wonderful, everything just works	492	# we are in another coroutine, how wonderful, everything just works
323		493
…		…
343	$EXT_CORO{$coro+0} = $coro;	513	$EXT_CORO{$coro+0} = $coro;
344		514
345	$coro	515	$coro
346	}	516	}
347		517
348	sub write_runtime {	518	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		519
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	520	Executes the given code block with the given arguments in a seperate
352	or return;	521	process, returning the results. Everything must be serialisable with
		522	Coro::Storable. May, of course, block. Note that the executed sub may
		523	never block itself or use any form of event handling.
353		524
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	525	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		526
358	aio_fsync $fh	527	sub fork_call(&@) {
359	and return;	528	my ($cb, @args) = @_;
360		529
361	close $fh	530	# we seemingly have to make a local copy of the whole thing,
362	or return;	531	# otherwise perl prematurely frees the stuff :/
		532	# TODO: investigate and fix (likely this will be rather laborious)
363		533
364	aio_rename "$runtime~", $runtime	534	my @res = Coro::Util::fork_eval {
365	and return;	535	reset_signals;
		536	&$cb
		537	}, @args;
366		538
		539	wantarray ? @res : $res[-1]
		540	}
		541
		542	=item $value = cf::db_get $family => $key
		543
		544	Returns a single value from the environment database.
		545
		546	=item cf::db_put $family => $key => $value
		547
		548	Stores the given C<$value> in the family. It can currently store binary
		549	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		550
		551	=item $db = cf::db_table "name"
		552
		553	Create and/or open a new database table. The string must not be "db" and must be unique
		554	within each server.
		555
		556	=cut
		557
		558	sub db_table($) {
		559	my ($name) = @_;
		560	my $db = BDB::db_create $DB_ENV;
		561
		562	eval {
		563	$db->set_flags (BDB::CHKSUM);
		564
		565	utf8::encode $name;
		566	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		567	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		568	cf::cleanup "db_open(db): $!" if $!;
		569	};
		570	cf::cleanup "db_open(db): $@" if $@;
		571
		572	$db
		573	}
		574
		575	our $DB;
		576
		577	sub db_init {
		578	cf::sync_job {
		579	$DB ||= db_table "db";
		580	};
		581	}
		582
		583	sub db_get($$) {
		584	my $key = "$_[0]/$_[1]";
		585
		586	cf::sync_job {
		587	BDB::db_get $DB, undef, $key, my $data;
		588
		589	$! ? ()
		590	: $data
367	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		595	BDB::dbreq_pri 4;
		596	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		597	}
		598
		599	=item cf::cache $id => [$paths...], $processversion => $process
		600
		601	Generic caching function that returns the value of the resource $id,
		602	caching and regenerating as required.
		603
		604	This function can block.
		605
		606	=cut
		607
		608	sub cache {
		609	my ($id, $src, $processversion, $process) = @_;
		610
		611	my $meta =
		612	join "\x00",
		613	$processversion,
		614	map {
		615	aio_stat $_
		616	and Carp::croak "$_: $!";
		617
		618	($_, (stat _)[7,9])
		619	} @$src;
		620
		621	my $dbmeta = db_get cache => "$id/meta";
		622	if ($dbmeta ne $meta) {
		623	# changed, we may need to process
		624
		625	my @data;
		626	my $md5;
		627
		628	for (0 .. $#$src) {
		629	0 <= aio_load $src->[$_], $data[$_]
		630	or Carp::croak "$src->[$_]: $!";
		631	}
		632
		633	# if processing is expensive, check
		634	# checksum first
		635	if (1) {
		636	$md5 =
		637	join "\x00",
		638	$processversion,
		639	map {
		640	cf::cede_to_tick;
		641	($src->[$_], Digest::MD5::md5_hex $data[$_])
		642	} 0.. $#$src;
		643
		644
		645	my $dbmd5 = db_get cache => "$id/md5";
		646	if ($dbmd5 eq $md5) {
		647	db_put cache => "$id/meta", $meta;
		648
		649	return db_get cache => "$id/data";
		650	}
		651	}
		652
		653	my $t1 = Time::HiRes::time;
		654	my $data = $process->(\@data);
		655	my $t2 = Time::HiRes::time;
		656
		657	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		658
		659	db_put cache => "$id/data", $data;
		660	db_put cache => "$id/md5" , $md5;
		661	db_put cache => "$id/meta", $meta;
		662
		663	return $data;
		664	}
		665
		666	db_get cache => "$id/data"
		667	}
		668
		669	=item cf::datalog type => key => value, ...
		670
		671	Log a datalog packet of the given type with the given key-value pairs.
		672
		673	=cut
		674
		675	sub datalog($@) {
		676	my ($type, %kv) = @_;
		677	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	678	}
369		679
370	=back	680	=back
371		681
372	=cut	682	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	689	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
381		691
382	In the following description, CLASS can be any of C<global>, C<object>	692	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	693	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	694	Deliantra).
385		695
386	=over 4	696	=over 4
387		697
388	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
389		699
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	862	$registry = $CB_TYPE[$object_type] ||= [];
553		863
554	} elsif ($type eq "subtype") {	864	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	865	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	866	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	867	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		868
559	} elsif ($type eq "package") {	869	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	870	my $pkg = shift @arg;
561		871
562	while (my ($name, $id) = each %cb_id) {	872	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
592	}	902	}
593		903
594	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
595	} else {	905	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	907	}
598		908
599	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
600	}	910	}
601		911
…		…
603	if (ref $_[0]) {	913	if (ref $_[0]) {
604	_object_attach @_;	914	_object_attach @_;
605	} else {	915	} else {
606	_attach shift->_attach_registry, @_;	916	_attach shift->_attach_registry, @_;
607	}	917	}
		918	_recalc_want;
608	};	919	};
609		920
610	# all those should be optimised	921	# all those should be optimised
611	sub cf::attachable::detach {	922	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	926	delete $obj->{_attachment}{$name};
616	reattach ($obj);	927	reattach ($obj);
617	} else {	928	} else {
618	Carp::croak "cannot, currently, detach class attachments";	929	Carp::croak "cannot, currently, detach class attachments";
619	}	930	}
		931	_recalc_want;
620	};	932	};
621		933
622	sub cf::attachable::attached {	934	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
624		936
…		…
639	";	951	";
640	die if $@;	952	die if $@;
641	}	953	}
642		954
643	our $override;	955	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	956	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		957
646	sub override {	958	sub override {
647	$override = 1;	959	$override = 1;
648	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
649	}	961	}
650		962
651	sub do_invoke {	963	sub do_invoke {
652	my $event = shift;	964	my $event = shift;
653	my $callbacks = shift;	965	my $callbacks = shift;
654		966
655	@invoke_results = ();	967	@INVOKE_RESULTS = ();
656		968
657	local $override;	969	local $override;
658		970
659	for (@$callbacks) {	971	for (@$callbacks) {
660	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
669	}	981	}
670		982
671	0	983	0
672	}	984	}
673		985
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		987
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		989
678	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
679		991
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	992	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	993	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		995
684	=back	996	=back
685		997
686	=cut	998	=cut
687		999
688	#############################################################################	1000	#############################################################################
689	# object support	1001	# object support
		1002
		1003	sub _object_equal($$);
		1004	sub _object_equal($$) {
		1005	my ($a, $b) = @_;
		1006
		1007	return 0 unless (ref $a) eq (ref $b);
		1008
		1009	if ("HASH" eq ref $a) {
		1010	my @ka = keys %$a;
		1011	my @kb = keys %$b;
		1012
		1013	return 0 if @ka != @kb;
		1014
		1015	for (0 .. $#ka) {
		1016	return 0 unless $ka[$_] eq $kb[$_];
		1017	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1018	}
		1019
		1020	} elsif ("ARRAY" eq ref $a) {
		1021
		1022	return 0 if @$a != @$b;
		1023
		1024	for (0 .. $#$a) {
		1025	return 0 unless _object_equal $a->[$_], $b->[$_];
		1026	}
		1027
		1028	} elsif ($a ne $b) {
		1029	return 0;
		1030	}
		1031
		1032	1
		1033	}
		1034
		1035	our $SLOW_MERGES;#d#
		1036	sub _can_merge {
		1037	my ($ob1, $ob2) = @_;
		1038
		1039	++$SLOW_MERGES;#d#
		1040
		1041	# we do the slow way here
		1042	return _object_equal $ob1, $ob2
		1043	}
690		1044
691	sub reattach {	1045	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1047	my ($obj) = @_;
694		1048
…		…
715	cf::attachable->attach (	1069	cf::attachable->attach (
716	prio => -1000000,	1070	prio => -1000000,
717	on_instantiate => sub {	1071	on_instantiate => sub {
718	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
719		1073
720	$data = from_json $data;	1074	$data = decode_json $data;
721		1075
722	for (@$data) {	1076	for (@$data) {
723	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
724		1078
725	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1095	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
743		1097
744	sync_job {	1098	sync_job {
745	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
748		1103
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1107	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1108	close $fh;
754		1109
755	if (@$objs) {	1110	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1111	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1115	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1116	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
763	}	1118	}
764	} else {	1119	} else {
765	aio_unlink "$filename.pst";	1120	aio_unlink "$filename.pst";
…		…
771	}	1126	}
772	} else {	1127	} else {
773	aio_unlink $filename;	1128	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
775	}	1130	}
776	}	1131	};
777	}	1132	}
778		1133
779	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
781		1136
…		…
793	or return;	1148	or return;
794		1149
795	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
797	or return;	1152	or return;
		1153
798	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
799	}	1156	}
800		1157
		1158	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1160	$decname, length $data, scalar @{$av || []};
		1161
803	return ($data, $av);	1162	($data, $av)
804	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
805		1170
806	#############################################################################	1171	#############################################################################
807	# command handling &c	1172	# command handling &c
808		1173
809	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1188	}
824		1189
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1191
827	Register a callbackf ro execution when the client sends an extcmd packet.	1192	Register a callback for execution when the client sends an (synchronous)
		1193	extcmd packet. Ext commands will be processed in the order they are
		1194	received by the server, like other user commands. The first argument is
		1195	the logged-in player. Ext commands can only be processed after a player
		1196	has logged in successfully.
828		1197
829	If the callback returns something, it is sent back as if reply was being	1198	If the callback returns something, it is sent back as if reply was being
830	called.	1199	called.
831		1200
		1201	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1202
		1203	Register a callback for execution when the client sends an (asynchronous)
		1204	exticmd packet. Exti commands are processed by the server as soon as they
		1205	are received, i.e. out of order w.r.t. other commands. The first argument
		1206	is a client socket. Exti commands can be received anytime, even before
		1207	log-in.
		1208
		1209	If the callback returns something, it is sent back as if reply was being
		1210	called.
		1211
832	=cut	1212	=cut
833		1213
834	sub register_extcmd {	1214	sub register_extcmd {
835	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
836		1216
837	$EXTCMD{$name} = $cb;	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
838	}	1224	}
839		1225
840	cf::player->attach (	1226	cf::player->attach (
841	on_command => sub {	1227	on_command => sub {
842	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1237	cf::override;
852	},	1238	},
853	on_extcmd => sub {	1239	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
855		1241
856	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1243
858	if (ref $msg) {	1244	if (ref $msg) {
		1245	my ($type, $reply, @payload) =
		1246	"ARRAY" eq ref $msg
		1247	? @$msg
		1248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1249
		1250	my @reply;
		1251
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
864	} else {	1259	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1261	}
867		1262
868	cf::override;	1263	cf::override;
869	},	1264	},
870	);	1265	);
871		1266
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
907	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1272	next unless -r $path;
909	eval {	1273
910	load_extension $ext;	1274	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1275	my $base = $1;
		1276	my $pkg = $1;
		1277	$pkg =~ s/[^[:word:]]/_/g;
		1278	$pkg = "ext::$pkg";
		1279
		1280	open my $fh, "<:utf8", $path
		1281	or die "$path: $!";
		1282
		1283	my $source = do { local $/; <$fh> };
		1284
		1285	my %ext = (
		1286	path => $path,
		1287	base => $base,
		1288	pkg => $pkg,
		1289	);
		1290
		1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1293
		1294	$ext{source} =
		1295	"package $pkg; use strict; use utf8;\n"
		1296	. "#line 1 \"$path\"\n{\n"
		1297	. $source
		1298	. "\n};\n1";
		1299
		1300	$todo{$base} = \%ext;
		1301	}
		1302
		1303	my %done;
		1304	while (%todo) {
		1305	my $progress;
		1306
		1307	while (my ($k, $v) = each %todo) {
		1308	for (split /,\s*/, $v->{meta}{depends}) {
		1309	goto skip
		1310	unless exists $done{$_};
		1311	}
		1312
		1313	warn "... loading '$k' into '$v->{pkg}'\n";
		1314
		1315	unless (eval $v->{source}) {
		1316	my $msg = $@ ? "$v->{path}: $@\n"
		1317	: "$v->{base}: extension inactive.\n";
		1318
		1319	if (exists $v->{meta}{mandatory}) {
		1320	warn $msg;
		1321	warn "mandatory extension failed to load, exiting.\n";
		1322	exit 1;
		1323	}
		1324
		1325	warn $msg;
		1326	}
		1327
		1328	$done{$k} = delete $todo{$k};
		1329	push @EXTS, $v->{pkg};
		1330	$progress = 1;
911	1	1331	}
912	} or warn "$ext not loaded: $@";	1332
		1333	skip:
		1334	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1335	unless $progress;
		1336	}
913	}	1337	};
914	}	1338	}
915		1339
916	#############################################################################	1340	#############################################################################
917		1341
		1342	=back
		1343
918	=head2 CORE EXTENSIONS	1344	=head2 CORE EXTENSIONS
919		1345
920	Functions and methods that extend core crossfire objects.	1346	Functions and methods that extend core crossfire objects.
921		1347
922	=cut	1348	=cut
…		…
927		1353
928	=head3 cf::player	1354	=head3 cf::player
929		1355
930	=over 4	1356	=over 4
931		1357
		1358	=item cf::player::num_playing
		1359
		1360	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1361
		1362	=cut
		1363
		1364	sub num_playing {
		1365	scalar grep
		1366	$_->ob->map
		1367	&& !$_->hidden
		1368	&& !$_->ob->flag (cf::FLAG_WIZ),
		1369	cf::player::list
		1370	}
		1371
932	=item cf::player::find $login	1372	=item cf::player::find $login
933		1373
934	Returns the given player object, loading it if necessary (might block).	1374	Returns the given player object, loading it if necessary (might block).
935		1375
936	=cut	1376	=cut
937		1377
938	sub playerdir($) {	1378	sub playerdir($) {
939	cf::localdir	1379	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1380	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1381	}
945		1382
946	sub path($) {	1383	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1384	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1385
949	(playerdir $login) . "/$login.pl"	1386	(playerdir $login) . "/playerdata"
950	}	1387	}
951		1388
952	sub find_active($) {	1389	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1390	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1391	and $cf::PLAYER{$_[0]}->active
…		…
957		1394
958	sub exists($) {	1395	sub exists($) {
959	my ($login) = @_;	1396	my ($login) = @_;
960		1397
961	$cf::PLAYER{$login}	1398	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1399	or cf::sync_job { !aio_stat path $login }
963	}	1400	}
964		1401
965	sub find($) {	1402	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1403	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1404	my $login = $_[0];
968		1405
969	my $guard = cf::lock_acquire "user_find:$login";	1406	my $guard = cf::lock_acquire "user_find:$login";
970		1407
971	$cf::PLAYER{$_[0]} || do {	1408	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1409	# rename old playerfiles to new ones
		1410	#TODO: remove when no longer required
		1411	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1412	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1413	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1414	aio_unlink +(playerdir $login) . "/$login.pl";
		1415
		1416	my $f = new_from_file cf::object::thawer path $login
973	or return;	1417	or return;
		1418
		1419	my $pl = cf::player::load_pl $f
		1420	or return;
		1421	local $cf::PLAYER_LOADING{$login} = $pl;
		1422	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1423	$cf::PLAYER{$login} = $pl
975	}	1424	}
976	}	1425	}
977	}	1426	}
978		1427
…		…
988		1437
989	aio_mkdir playerdir $pl, 0770;	1438	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1439	$pl->{last_save} = $cf::RUNTIME;
991		1440
992	$pl->save_pl ($path);	1441	$pl->save_pl ($path);
993	Coro::cede;	1442	cf::cede_to_tick;
994	}	1443	}
995		1444
996	sub new($) {	1445	sub new($) {
997	my ($login) = @_;	1446	my ($login) = @_;
998		1447
…		…
1004	$cf::PLAYER{$login} = $self;	1453	$cf::PLAYER{$login} = $self;
1005		1454
1006	$self	1455	$self
1007	}	1456	}
1008		1457
		1458	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1459
		1460	=cut
		1461
		1462	sub send_msg {
		1463	my $ns = shift->ns
		1464	or return;
		1465	$ns->send_msg (@_);
		1466	}
		1467
1009	=item $pl->quit_character	1468	=item $pl->quit_character
1010		1469
1011	Nukes the player without looking back. If logged in, the connection will	1470	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1471	be destroyed. May block for a long time.
1013		1472
1014	=cut	1473	=cut
1015		1474
1016	sub quit_character {	1475	sub quit_character {
1017	my ($pl) = @_;	1476	my ($pl) = @_;
		1477
		1478	my $name = $pl->ob->name;
1018		1479
1019	$pl->{deny_save} = 1;	1480	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1481	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1482
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1483	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1488	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1489	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1490	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1491	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1492	$pl->destroy;
		1493
		1494	my $prefix = qr<^~\Q$name\E/>;
		1495
		1496	# nuke player maps
		1497	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1498
1032	IO::AIO::aio_rmtree $temp;	1499	IO::AIO::aio_rmtree $temp;
		1500	}
		1501
		1502	=item $pl->kick
		1503
		1504	Kicks a player out of the game. This destroys the connection.
		1505
		1506	=cut
		1507
		1508	sub kick {
		1509	my ($pl, $kicker) = @_;
		1510
		1511	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1512	$pl->killer ("kicked");
		1513	$pl->ns->destroy;
1033	}	1514	}
1034		1515
1035	=item cf::player::list_logins	1516	=item cf::player::list_logins
1036		1517
1037	Returns am arrayref of all valid playernames in the system, can take a	1518	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1519	while and may block, so not sync_job-capable, ever.
1039		1520
1040	=cut	1521	=cut
1041		1522
1042	sub list_logins {	1523	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1524	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1525	or return [];
1045		1526
1046	my @logins;	1527	my @logins;
1047		1528
1048	for my $login (@$dirs) {	1529	for my $login (@$dirs) {
		1530	my $path = path $login;
		1531
		1532	# a .pst is a dead give-away for a valid player
		1533	unless (-e "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1534	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1535	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1536	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1537	}
1052		1538
1053	utf8::decode $login;	1539	utf8::decode $login;
1054	push @logins, $login;	1540	push @logins, $login;
1055	}	1541	}
1056		1542
…		…
1064		1550
1065	=cut	1551	=cut
1066		1552
1067	sub maps($) {	1553	sub maps($) {
1068	my ($pl) = @_;	1554	my ($pl) = @_;
		1555
		1556	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1557
1070	my $files = aio_readdir playerdir $pl	1558	my $files = aio_readdir playerdir $pl
1071	or return;	1559	or return;
1072		1560
1073	my @paths;	1561	my @paths;
…		…
1075	for (@$files) {	1563	for (@$files) {
1076	utf8::decode $_;	1564	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1565	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1566	next unless /^$PATH_SEP/o;
1079		1567
1080	s/\.map$//;	1568	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1569	}
1083		1570
1084	\@paths	1571	\@paths
1085	}	1572	}
1086		1573
		1574	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1575
		1576	Expand crossfire pod fragments into protocol xml.
		1577
		1578	=cut
		1579
		1580	use re 'eval';
		1581
		1582	my $group;
		1583	my $interior; $interior = qr{
		1584	# match a pod interior sequence sans C<< >>
		1585	(?:
		1586	\ (.*?)\ (?{ $group = $^N })
		1587	| < (??{$interior}) >
		1588	)
		1589	}x;
		1590
		1591	sub expand_cfpod {
		1592	my ($self, $pod) = @_;
		1593
		1594	my $xml;
		1595
		1596	while () {
		1597	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1598	$group = $1;
		1599
		1600	$group =~ s/&/&amp;/g;
		1601	$group =~ s/</&lt;/g;
		1602
		1603	$xml .= $group;
		1604	} elsif ($pod =~ m%\G
		1605	([BCGHITU])
		1606	<
		1607	(?:
		1608	([^<>]*) (?{ $group = $^N })
		1609	| < $interior >
		1610	)
		1611	>
		1612	%gcsx
		1613	) {
		1614	my ($code, $data) = ($1, $group);
		1615
		1616	if ($code eq "B") {
		1617	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1618	} elsif ($code eq "I") {
		1619	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1620	} elsif ($code eq "U") {
		1621	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1622	} elsif ($code eq "C") {
		1623	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1624	} elsif ($code eq "T") {
		1625	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1626	} elsif ($code eq "G") {
		1627	my ($male, $female) = split /\|/, $data;
		1628	$data = $self->gender ? $female : $male;
		1629	$xml .= expand_cfpod ($self, $data);
		1630	} elsif ($code eq "H") {
		1631	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1632	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1633	"")
		1634	[$self->{hintmode}];
		1635	} else {
		1636	$xml .= "error processing '$code($data)' directive";
		1637	}
		1638	} else {
		1639	if ($pod =~ /\G(.+)/) {
		1640	warn "parse error while expanding $pod (at $1)";
		1641	}
		1642	last;
		1643	}
		1644	}
		1645
		1646	for ($xml) {
		1647	# create single paragraphs (very hackish)
		1648	s/(?<=\S)\n(?=\w)/ /g;
		1649
		1650	# compress some whitespace
		1651	s/\s+\n/\n/g; # ws line-ends
		1652	s/\n\n+/\n/g; # double lines
		1653	s/^\n+//; # beginning lines
		1654	s/\n+$//; # ending lines
		1655	}
		1656
		1657	$xml
		1658	}
		1659
		1660	no re 'eval';
		1661
		1662	sub hintmode {
		1663	$_[0]{hintmode} = $_[1] if @_ > 1;
		1664	$_[0]{hintmode}
		1665	}
		1666
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1667	=item $player->ext_reply ($msgid, @msg)
1088		1668
1089	Sends an ext reply to the player.	1669	Sends an ext reply to the player.
1090		1670
1091	=cut	1671	=cut
1092		1672
1093	sub ext_reply($$$%) {	1673	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1674	my ($self, $id, @msg) = @_;
1095		1675
1096	$msg{msgid} = $id;	1676	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1677	}
1100		1678
1101	package cf;	1679	=item $player->ext_msg ($type, @msg)
		1680
		1681	Sends an ext event to the client.
		1682
		1683	=cut
		1684
		1685	sub ext_msg($$@) {
		1686	my ($self, $type, @msg) = @_;
		1687
		1688	$self->ns->ext_msg ($type, @msg);
		1689	}
		1690
		1691	=head3 cf::region
		1692
		1693	=over 4
		1694
		1695	=cut
		1696
		1697	package cf::region;
		1698
		1699	=item cf::region::find_by_path $path
		1700
		1701	Tries to decuce the likely region for a map knowing only its path.
		1702
		1703	=cut
		1704
		1705	sub find_by_path($) {
		1706	my ($path) = @_;
		1707
		1708	my ($match, $specificity);
		1709
		1710	for my $region (list) {
		1711	if ($region->{match} && $path =~ $region->{match}) {
		1712	($match, $specificity) = ($region, $region->specificity)
		1713	if $region->specificity > $specificity;
		1714	}
		1715	}
		1716
		1717	$match
		1718	}
1102		1719
1103	=back	1720	=back
1104
1105		1721
1106	=head3 cf::map	1722	=head3 cf::map
1107		1723
1108	=over 4	1724	=over 4
1109		1725
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1753	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1754	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1755	)
1140	}	1756	}
1141		1757
		1758	=item cf::map->register ($regex, $prio)
		1759
		1760	Register a handler for the map path matching the given regex at the
		1761	givne priority (higher is better, built-in handlers have priority 0, the
		1762	default).
		1763
		1764	=cut
		1765
1142	sub register {	1766	sub register {
1143	my (undef, $regex) = @_;	1767	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1768	my $pkg = caller;
1145		1769
1146	no strict;	1770	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1771	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1772
1149	$EXT_MAP{$pkg} = qr<$regex>;	1773	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1774	}
1151		1775
1152	# also paths starting with '/'	1776	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1777	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1778
1155	sub thawer_merge {	1779	sub thawer_merge {
1156	my ($self, $merge) = @_;	1780	my ($self, $merge) = @_;
1157		1781
1158	# we have to keep some variables in memory intact	1782	# we have to keep some variables in memory intact
1159	local $self->{path};	1783	local $self->{path};
1160	local $self->{load_path};	1784	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1785
1164	$self->SUPER::thawer_merge ($merge);	1786	$self->SUPER::thawer_merge ($merge);
1165	}	1787	}
1166		1788
1167	sub normalise {	1789	sub normalise {
1168	my ($path, $base) = @_;	1790	my ($path, $base) = @_;
		1791
		1792	$path = "$path"; # make sure its a string
		1793
		1794	$path =~ s/\.map$//;
1169		1795
1170	# map plan:	1796	# map plan:
1171	#	1797	#
1172	# /! non-realised random map exit (special hack!)	1798	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1799	# {... are special paths that are not being touched
…		…
1201		1827
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1828	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1829
1204	$path = normalise $path, $base;	1830	$path = normalise $path, $base;
1205		1831
1206	for my $pkg (keys %EXT_MAP) {	1832	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1833	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1834	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1835	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1836	$self->init; # pass $1 etc.
1211	return $self;	1837	return $self;
1212	}	1838	}
1213	}	1839	}
1214		1840
1215	Carp::carp "unable to resolve path '$path'.";	1841	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1842	()
1217	}	1843	}
1218		1844
1219	sub init {	1845	sub init {
1220	my ($self) = @_;	1846	my ($self) = @_;
…		…
1235		1861
1236	# the original (read-only) location	1862	# the original (read-only) location
1237	sub load_path {	1863	sub load_path {
1238	my ($self) = @_;	1864	my ($self) = @_;
1239		1865
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1866	"$MAPDIR/$self->{path}.map"
1241	}	1867	}
1242		1868
1243	# the temporary/swap location	1869	# the temporary/swap location
1244	sub save_path {	1870	sub save_path {
1245	my ($self) = @_;	1871	my ($self) = @_;
1246		1872
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1874	"$TMPDIR/$path.map"
1249	}	1875	}
1250		1876
1251	# the unique path, undef == no special unique path	1877	# the unique path, undef == no special unique path
1252	sub uniq_path {	1878	sub uniq_path {
1253	my ($self) = @_;	1879	my ($self) = @_;
1254		1880
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1882	"$UNIQUEDIR/$path"
1257	}	1883	}
1258		1884
1259	# and all this just because we cannot iterate over	1885	# and all this just because we cannot iterate over
1260	# all maps in C++...	1886	# all maps in C++...
1261	sub change_all_map_light {	1887	sub change_all_map_light {
…		…
1263		1889
1264	$_->change_map_light ($change)	1890	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1891	for grep $_->outdoor, values %cf::MAP;
1266	}	1892	}
1267		1893
		1894	sub decay_objects {
		1895	my ($self) = @_;
		1896
		1897	return if $self->{deny_reset};
		1898
		1899	$self->do_decay_objects;
		1900	}
		1901
1268	sub unlink_save {	1902	sub unlink_save {
1269	my ($self) = @_;	1903	my ($self) = @_;
1270		1904
1271	utf8::encode (my $save = $self->save_path);	1905	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1906	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1909
1276	sub load_header_from($) {	1910	sub load_header_from($) {
1277	my ($self, $path) = @_;	1911	my ($self, $path) = @_;
1278		1912
1279	utf8::encode $path;	1913	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1281	or return;	1915	or return;
1282		1916
1283	$self->_load_header ($path)	1917	$self->_load_header ($f)
1284	or return;	1918	or return;
1285		1919
		1920	local $MAP_LOADING{$self->{path}} = $self;
		1921	$f->resolve_delayed_derefs;
		1922
1286	$self->{load_path} = $path;	1923	$self->{load_path} = $path;
1287		1924
1288	1	1925	1
1289	}	1926	}
1290		1927
1291	sub load_orig {	1928	sub load_header_orig {
1292	my ($self) = @_;	1929	my ($self) = @_;
1293		1930
1294	$self->load_header_from ($self->load_path)	1931	$self->load_header_from ($self->load_path)
1295	}	1932	}
1296		1933
1297	sub load_temp {	1934	sub load_header_temp {
1298	my ($self) = @_;	1935	my ($self) = @_;
1299		1936
1300	$self->load_header_from ($self->save_path)	1937	$self->load_header_from ($self->save_path)
		1938	}
		1939
		1940	sub prepare_temp {
		1941	my ($self) = @_;
		1942
		1943	$self->last_access ((delete $self->{last_access})
		1944	|| $cf::RUNTIME); #d#
		1945	# safety
		1946	$self->{instantiate_time} = $cf::RUNTIME
		1947	if $self->{instantiate_time} > $cf::RUNTIME;
		1948	}
		1949
		1950	sub prepare_orig {
		1951	my ($self) = @_;
		1952
		1953	$self->{load_original} = 1;
		1954	$self->{instantiate_time} = $cf::RUNTIME;
		1955	$self->last_access ($cf::RUNTIME);
		1956	$self->instantiate;
1301	}	1957	}
1302		1958
1303	sub load_header {	1959	sub load_header {
1304	my ($self) = @_;	1960	my ($self) = @_;
1305		1961
1306	if ($self->load_temp) {	1962	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	1963	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	1964	} else {
1313	$self->load_orig	1965	$self->load_header_orig
1314	or return;	1966	or return;
1315		1967	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	1968	}
		1969
		1970	$self->{deny_reset} = 1
		1971	if $self->no_reset;
		1972
		1973	$self->default_region (cf::region::find_by_path $self->{path})
		1974	unless $self->default_region;
1321		1975
1322	1	1976	1
1323	}	1977	}
1324		1978
1325	sub find;	1979	sub find;
1326	sub find {	1980	sub find {
1327	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1328		1982
1329	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1330		1984
		1985	cf::lock_wait "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	1986	cf::lock_wait "map_find:$path";
1332		1987
1333	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1334	my $guard = cf::lock_acquire "map_find:$path";	1989	my $guard1 = cf::lock_acquire "map_find:$path";
		1990	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1991
1335	my $map = new_from_path cf::map $path	1992	my $map = new_from_path cf::map $path
1336	or return;	1993	or return;
1337		1994
1338	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1339		1996
1340	$map->load_header	1997	$map->load_header
1341	or return;	1998	or return;
1342		1999
1343	if ($map->should_reset) {	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2001	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard1;
		2004	undef $guard2;
1345	$map->reset;	2005	$map->reset;
1346	undef $guard;
1347	$map = find $path	2006	return find $path;
1348	or return;
1349	}	2007	}
1350		2008
1351	$cf::MAP{$path} = $map	2009	$cf::MAP{$path} = $map
1352	}	2010	}
1353	}	2011	}
		2012
		2013	sub pre_load { }
		2014	sub post_load { }
1354		2015
1355	sub load {	2016	sub load {
1356	my ($self) = @_;	2017	my ($self) = @_;
1357		2018
		2019	local $self->{deny_reset} = 1; # loading can take a long time
		2020
1358	my $path = $self->{path};	2021	my $path = $self->{path};
		2022
		2023	{
1359	my $guard = cf::lock_acquire "map_load:$path";	2024	my $guard = cf::lock_acquire "map_data:$path";
1360		2025
		2026	return unless $self->valid;
1361	return if $self->in_memory != cf::MAP_SWAPPED;	2027	return unless $self->in_memory == cf::MAP_SWAPPED;
1362		2028
1363	$self->in_memory (cf::MAP_LOADING);	2029	$self->in_memory (cf::MAP_LOADING);
1364		2030
1365	$self->alloc;	2031	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)	2032
		2033	$self->pre_load;
		2034	cf::cede_to_tick;
		2035
		2036	my $f = new_from_file cf::object::thawer $self->{load_path};
		2037	$f->skip_block;
		2038	$self->_load_objects ($f)
1367	or return;	2039	or return;
1368		2040
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1370	if delete $self->{load_original};	2042	if delete $self->{load_original};
1371		2043
1372	if (my $uniq = $self->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	2045	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	2046	unless (aio_stat $uniq) {
		2047	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	2048	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	2049	$self->_load_objects ($f);
		2050	$f->resolve_delayed_derefs;
		2051	}
1377	}	2052	}
1378	}	2053	}
1379		2054
1380	Coro::cede;	2055	$f->resolve_delayed_derefs;
1381		2056
		2057	cf::cede_to_tick;
1382	# now do the right thing for maps	2058	# now do the right thing for maps
1383	$self->link_multipart_objects;	2059	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	2060	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	2061	unless $self->difficulty;
1393	Coro::cede;	2062	cf::cede_to_tick;
		2063
		2064	unless ($self->{deny_activate}) {
		2065	$self->decay_objects;
		2066	$self->fix_auto_apply;
		2067	$self->update_buttons;
		2068	cf::cede_to_tick;
		2069	$self->set_darkness_map;
		2070	cf::cede_to_tick;
1394	$self->activate;	2071	$self->activate;
1395	}	2072	}
1396		2073
		2074	$self->{last_save} = $cf::RUNTIME;
		2075	$self->last_access ($cf::RUNTIME);
		2076
1397	$self->in_memory (cf::MAP_IN_MEMORY);	2077	$self->in_memory (cf::MAP_IN_MEMORY);
		2078	}
		2079
		2080	$self->post_load;
1398	}	2081	}
1399		2082
1400	sub customise_for {	2083	sub customise_for {
1401	my ($self, $ob) = @_;	2084	my ($self, $ob) = @_;
1402		2085
1403	return find "~" . $ob->name . "/" . $self->{path}	2086	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2087	if $self->per_player;
1405		2088
		2089	# return find "?party/" . $ob->name . "/" . $self->{path}
		2090	# if $self->per_party;
		2091
1406	$self	2092	$self
1407	}	2093	}
1408		2094
1409	# find and load all maps in the 3x3 area around a map	2095	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	2096	sub load_neighbours {
1411	my ($map) = @_;	2097	my ($map) = @_;
1412		2098
1413	my @diag; # diagonal neighbours	2099	my @neigh; # diagonal neighbours
1414		2100
1415	for (0 .. 3) {	2101	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	2102	my $neigh = $map->tile_path ($_)
1417	or next;	2103	or next;
1418	$neigh = find $neigh, $map	2104	$neigh = find $neigh, $map
1419	or next;	2105	or next;
1420	$neigh->load;	2106	$neigh->load;
1421		2107
		2108	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2109	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2110	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2111	}
1425		2112
1426	for (@diag) {	2113	for (grep defined $_->[0], @neigh) {
		2114	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2115	my $neigh = find $path, $origin
1428	or next;	2116	or next;
1429	$neigh->load;	2117	$neigh->load;
1430	}	2118	}
1431	}	2119	}
1432		2120
…		…
1437	}	2125	}
1438		2126
1439	sub do_load_sync {	2127	sub do_load_sync {
1440	my ($map) = @_;	2128	my ($map) = @_;
1441		2129
		2130	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2131	if $Coro::current == $Coro::main;
		2132
1442	cf::sync_job { $map->load };	2133	cf::sync_job { $map->load };
1443	}	2134	}
1444		2135
1445	our %MAP_PREFETCH;	2136	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	2137	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		2138
1459	sub find_async {	2139	sub find_async {
1460	my ($path, $origin) = @_;	2140	my ($path, $origin, $load) = @_;
1461		2141
1462	$path = normalise $path, $origin && $origin->{path};	2142	$path = normalise $path, $origin && $origin->{path};
1463		2143
1464	if (my $map = $cf::MAP{$path}) {	2144	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2145	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2146	}
		2147
		2148	$MAP_PREFETCH{$path} |= $load;
		2149
		2150	$MAP_PREFETCHER ||= cf::async {
		2151	$Coro::current->{desc} = "map prefetcher";
		2152
		2153	while (%MAP_PREFETCH) {
		2154	while (my ($k, $v) = each %MAP_PREFETCH) {
		2155	if (my $map = find $k) {
		2156	$map->load if $v;
		2157	}
		2158
		2159	delete $MAP_PREFETCH{$k};
		2160	}
		2161	}
		2162	undef $MAP_PREFETCHER;
1466	}	2163	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	2164	$MAP_PREFETCHER->prio (6);
1470		2165
1471	()	2166	()
1472	}	2167	}
1473		2168
1474	sub save {	2169	sub save {
1475	my ($self) = @_;	2170	my ($self) = @_;
1476		2171
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1478		2173
1479	$self->{last_save} = $cf::RUNTIME;	2174	$self->{last_save} = $cf::RUNTIME;
1480		2175
1481	return unless $self->dirty;	2176	return unless $self->dirty;
1482		2177
…		…
1488	return if $self->{deny_save};	2183	return if $self->{deny_save};
1489		2184
1490	local $self->{last_access} = $self->last_access;#d#	2185	local $self->{last_access} = $self->last_access;#d#
1491		2186
1492	cf::async {	2187	cf::async {
		2188	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2189	$_->contr->save for $self->players;
1494	};	2190	};
1495		2191
1496	if ($uniq) {	2192	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1505	my ($self) = @_;	2201	my ($self) = @_;
1506		2202
1507	# save first because save cedes	2203	# save first because save cedes
1508	$self->save;	2204	$self->save;
1509		2205
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2207
1512	return if $self->players;	2208	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_IN_MEMORY;
1514	return if $self->{deny_save};	2210	return if $self->{deny_save};
1515		2211
		2212	$self->in_memory (cf::MAP_SWAPPED);
		2213
		2214	$self->deactivate;
		2215	$_->clear_links_to ($self) for values %cf::MAP;
1516	$self->clear;	2216	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2217	}
1519		2218
1520	sub reset_at {	2219	sub reset_at {
1521	my ($self) = @_;	2220	my ($self) = @_;
1522		2221
1523	# TODO: safety, remove and allow resettable per-player maps	2222	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2223	return 1e99 if $self->{deny_reset};
1526		2224
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2225	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2226	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2227
…		…
1540	my ($self) = @_;	2238	my ($self) = @_;
1541		2239
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2241
1544	return if $self->players;	2242	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2243
1547	warn "resetting map ", $self->path;#d#	2244	warn "resetting map ", $self->path;
		2245
		2246	$self->in_memory (cf::MAP_SWAPPED);
		2247
		2248	# need to save uniques path
		2249	unless ($self->{deny_save}) {
		2250	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2251
		2252	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2253	if $uniq;
		2254	}
1548		2255
1549	delete $cf::MAP{$self->path};	2256	delete $cf::MAP{$self->path};
1550		2257
1551	$self->in_memory (cf::MAP_SWAPPED);	2258	$self->deactivate;
		2259	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2260	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2261
1556	$self->unlink_save;	2262	$self->unlink_save;
1557	$self->destroy;	2263	$self->destroy;
1558	}	2264	}
1559		2265
1560	my $nuke_counter = "aaaa";	2266	my $nuke_counter = "aaaa";
1561		2267
1562	sub nuke {	2268	sub nuke {
1563	my ($self) = @_;	2269	my ($self) = @_;
1564		2270
		2271	{
		2272	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2273
1565	delete $cf::MAP{$self->path};	2274	delete $cf::MAP{$self->path};
1566		2275
1567	$self->unlink_save;	2276	$self->unlink_save;
1568		2277
1569	bless $self, "cf::map";	2278	bless $self, "cf::map";
1570	delete $self->{deny_reset};	2279	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2280	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2281	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2282	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2283
1575	$cf::MAP{$self->path} = $self;	2284	$cf::MAP{$self->path} = $self;
		2285	}
1576		2286
1577	$self->reset; # polite request, might not happen	2287	$self->reset; # polite request, might not happen
		2288	}
		2289
		2290	=item $maps = cf::map::tmp_maps
		2291
		2292	Returns an arrayref with all map paths of currently instantiated and saved
		2293	maps. May block.
		2294
		2295	=cut
		2296
		2297	sub tmp_maps() {
		2298	[
		2299	map {
		2300	utf8::decode $_;
		2301	/\.map$/
		2302	? normalise $_
		2303	: ()
		2304	} @{ aio_readdir $TMPDIR or [] }
		2305	]
		2306	}
		2307
		2308	=item $maps = cf::map::random_maps
		2309
		2310	Returns an arrayref with all map paths of currently instantiated and saved
		2311	random maps. May block.
		2312
		2313	=cut
		2314
		2315	sub random_maps() {
		2316	[
		2317	map {
		2318	utf8::decode $_;
		2319	/\.map$/
		2320	? normalise "?random/$_"
		2321	: ()
		2322	} @{ aio_readdir $RANDOMDIR or [] }
		2323	]
1578	}	2324	}
1579		2325
1580	=item cf::map::unique_maps	2326	=item cf::map::unique_maps
1581		2327
1582	Returns an arrayref of paths of all shared maps that have	2328	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2329	instantiated unique items. May block.
1584		2330
1585	=cut	2331	=cut
1586		2332
1587	sub unique_maps() {	2333	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2334	[
1589	or return;	2335	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2336	utf8::decode $_;
1595	next if /\.pst$/;
1596	next unless /^$PATH_SEP/o;
1597
1598	s/\.map$//;	2337	/\.map$/
1599	push @paths, $_;	2338	? normalise $_
		2339	: ()
		2340	} @{ aio_readdir $UNIQUEDIR or [] }
1600	}	2341	]
1601
1602	\@paths
1603	}	2342	}
1604		2343
1605	package cf;	2344	package cf;
1606		2345
1607	=back	2346	=back
…		…
1625	map { $_, inv_recursive_ $_->inv } @_	2364	map { $_, inv_recursive_ $_->inv } @_
1626	}	2365	}
1627		2366
1628	sub inv_recursive {	2367	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2368	inv_recursive_ inv $_[0]
		2369	}
		2370
		2371	=item $ref = $ob->ref
		2372
		2373	creates and returns a persistent reference to an objetc that can be stored as a string.
		2374
		2375	=item $ob = cf::object::deref ($refstring)
		2376
		2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2378	even if the object actually exists. May block.
		2379
		2380	=cut
		2381
		2382	sub deref {
		2383	my ($ref) = @_;
		2384
		2385	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2386	my ($uuid, $name) = ($1, $2);
		2387	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2388	or return;
		2389	$pl->ob->uuid eq $uuid
		2390	or return;
		2391
		2392	$pl->ob
		2393	} else {
		2394	warn "$ref: cannot resolve object reference\n";
		2395	undef
		2396	}
1630	}	2397	}
1631		2398
1632	package cf;	2399	package cf;
1633		2400
1634	=back	2401	=back
…		…
1653		2420
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2421	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2422
1656	if ($self->{record_replies}) {	2423	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2424	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2425
1658	} else {	2426	} else {
		2427	my $pl = $self->contr;
		2428
		2429	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2430	my $dialog = $pl->{npc_dialog};
		2431	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2432
		2433	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2434	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2435	$self->message ($msg, $flags);
		2436	}
1661	}	2437	}
		2438	}
		2439
		2440	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2441
		2442	=cut
		2443
		2444	sub cf::object::send_msg {
		2445	my $pl = shift->contr
		2446	or return;
		2447	$pl->send_msg (@_);
1662	}	2448	}
1663		2449
1664	=item $player_object->may ("access")	2450	=item $player_object->may ("access")
1665		2451
1666	Returns wether the given player is authorized to access resource "access"	2452	Returns wether the given player is authorized to access resource "access"
…		…
1698	=cut	2484	=cut
1699		2485
1700	sub link_map {	2486	sub link_map {
1701	unless ($LINK_MAP) {	2487	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2488	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2489	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2490	$LINK_MAP->load;
1705	}	2491	}
1706		2492
1707	$LINK_MAP	2493	$LINK_MAP
1708	}	2494	}
…		…
1713	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1714		2500
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2502
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1719		2505
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	2507	}
1722		2508
1723	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1725		2513
1726	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1727		2515
1728	unless ($map) {	2516	unless ($map) {
1729	# restore original map position	2517	# restore original map position
…		…
1743	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1746		2534
1747	$map->load;	2535	$map->load;
1748	$map->load_diag;	2536	$map->load_neighbours;
1749		2537
1750	return unless $self->contr->active;	2538	return unless $self->contr->active;
1751	$self->activate_recursive;	2539	$self->activate_recursive;
		2540
		2541	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	2542	$self->enter_map ($map, $x, $y);
1753	}	2543	}
1754		2544
1755	cf::player->attach (	2545	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1756	on_logout => sub {
1757	my ($pl) = @_;
1758		2546
1759	# abort map switching before logout	2547	Moves the player to the given map-path and coordinates by first freezing
1760	if ($pl->ob->{_link_pos}) {	2548	her, loading and preparing them map, calling the provided $check callback
1761	cf::sync_job {	2549	that has to return the map if sucecssful, and then unfreezes the player on
1762	$pl->ob->leave_link	2550	the new (success) or old (failed) map position. In either case, $done will
1763	};	2551	be called at the end of this process.
1764	}
1765	},
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2552
1769	# try to abort aborted map switching on player login :)
1770	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786
1787	=item $player_object->goto ($path, $x, $y)
1788
1789	=cut	2553	=cut
		2554
		2555	our $GOTOGEN;
1790		2556
1791	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2558	my ($self, $path, $x, $y, $check, $done) = @_;
		2559
		2560	# do generation counting so two concurrent goto's will be executed in-order
		2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2562
1794	$self->enter_link;	2563	$self->enter_link;
1795		2564
1796	(async {	2565	(async {
1797	my $map = cf::map::find $path;	2566	$Coro::current->{desc} = "player::goto $path $x $y";
		2567
		2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
		2587	my $map = eval {
		2588	my $map = defined $path ? cf::map::find $path : undef;
		2589
		2590	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2591	$map = $map->customise_for ($self);
1799		2592	$map = $check->($map) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2593	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	}
1804		2596
		2597	$map
		2598	};
		2599
		2600	if ($@) {
		2601	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2602	LOG llevError | logBacktrace, Carp::longmess $@;
		2603	}
		2604
		2605	if ($gen == $self->{_goto_generation}) {
		2606	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
		2608	}
		2609
		2610	$done->() if $done;
1806	})->prio (1);	2611	})->prio (1);
1807	}	2612	}
1808		2613
1809	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
1810		2615
…		…
1812		2617
1813	sub parse_random_map_params {	2618	sub parse_random_map_params {
1814	my ($spec) = @_;	2619	my ($spec) = @_;
1815		2620
1816	my $rmp = { # defaults	2621	my $rmp = { # defaults
1817	xsize => -1,	2622	xsize => (cf::rndm 15, 40),
1818	ysize => -1,	2623	ysize => (cf::rndm 15, 40),
		2624	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2625	#layout => string,
1819	};	2626	};
1820		2627
1821	for (split /\n/, $spec) {	2628	for (split /\n/, $spec) {
1822	my ($k, $v) = split /\s+/, $_, 2;	2629	my ($k, $v) = split /\s+/, $_, 2;
1823		2630
…		…
1827	$rmp	2634	$rmp
1828	}	2635	}
1829		2636
1830	sub prepare_random_map {	2637	sub prepare_random_map {
1831	my ($exit) = @_;	2638	my ($exit) = @_;
		2639
		2640	my $guard = cf::lock_acquire "exit_prepare:$exit";
1832		2641
1833	# all this does is basically replace the /! path by	2642	# all this does is basically replace the /! path by
1834	# a new random map path (?random/...) with a seed	2643	# a new random map path (?random/...) with a seed
1835	# that depends on the exit object	2644	# that depends on the exit object
1836		2645
1837	my $rmp = parse_random_map_params $exit->msg;	2646	my $rmp = parse_random_map_params $exit->msg;
1838		2647
1839	if ($exit->map) {	2648	if ($exit->map) {
1840	$rmp->{region} = $exit->map->region_name;	2649	$rmp->{region} = $exit->region->name;
1841	$rmp->{origin_map} = $exit->map->path;	2650	$rmp->{origin_map} = $exit->map->path;
1842	$rmp->{origin_x} = $exit->x;	2651	$rmp->{origin_x} = $exit->x;
1843	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
1844	}	2653	}
1845		2654
1846	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
1847		2656
1848	my $data = cf::to_json $rmp;	2657	my $data = cf::encode_json $rmp;
1849	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
1850	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
1851		2660
1852	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
1854	undef $fh;	2663	undef $fh;
1855	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
…		…
1862	sub cf::object::player::enter_exit {	2671	sub cf::object::player::enter_exit {
1863	my ($self, $exit) = @_;	2672	my ($self, $exit) = @_;
1864		2673
1865	return unless $self->type == cf::PLAYER;	2674	return unless $self->type == cf::PLAYER;
1866		2675
		2676	if ($exit->slaying eq "/!") {
		2677	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2678	# the problem is that $exit might not survive long enough
		2679	# so it needs to be done right now, right here
		2680	cf::sync_job { prepare_random_map $exit };
		2681	}
		2682
		2683	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2684	my $hp = $exit->stats->hp;
		2685	my $sp = $exit->stats->sp;
		2686
1867	$self->enter_link;	2687	$self->enter_link;
1868		2688
		2689	# if exit is damned, update players death & WoR home-position
		2690	$self->contr->savebed ($slaying, $hp, $sp)
		2691	if $exit->flag (FLAG_DAMNED);
		2692
1869	(async {	2693	(async {
		2694	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2695
1870	$self->deactivate_recursive; # just to be sure	2696	$self->deactivate_recursive; # just to be sure
1871	unless (eval {	2697	unless (eval {
1872	prepare_random_map $exit	2698	$self->goto ($slaying, $hp, $sp);
1873	if $exit->slaying eq "/!";
1874
1875	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1876	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1877		2699
1878	1;	2700	1;
1879	}) {	2701	}) {
1880	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the crossfire server. "
1881	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
1882	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
1883	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
1884		2706
1885	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
1886	$self->leave_link;	2708	$self->leave_link;
1887	}	2709	}
1888	})->prio (1);	2710	})->prio (1);
…		…
1901		2723
1902	sub cf::client::send_drawinfo {	2724	sub cf::client::send_drawinfo {
1903	my ($self, $text, $flags) = @_;	2725	my ($self, $text, $flags) = @_;
1904		2726
1905	utf8::encode $text;	2727	utf8::encode $text;
1906	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1907	}	2729	}
1908		2730
		2731	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2732
		2733	Send a drawinfo or msg packet to the client, formatting the msg for the
		2734	client if neccessary. C<$type> should be a string identifying the type of
		2735	the message, with C<log> being the default. If C<$color> is negative, suppress
		2736	the message unless the client supports the msg packet.
		2737
		2738	=cut
		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/uptime" => {
		2779	id => "infobox",
		2780	title => "Uptime",
		2781	reply => undef,
		2782	tooltip => "How long the server has been running since last restart",
		2783	},
		2784	"c/mapinfo" => {
		2785	id => "infobox",
		2786	title => "Map Info",
		2787	reply => undef,
		2788	tooltip => "Information related to the maps",
		2789	},
		2790	);
		2791
		2792	sub cf::client::send_msg {
		2793	my ($self, $channel, $msg, $color, @extra) = @_;
		2794
		2795	$msg = $self->pl->expand_cfpod ($msg);
		2796
		2797	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2798
		2799	# check predefined channels, for the benefit of C
		2800	if ($CHANNEL{$channel}) {
		2801	$channel = $CHANNEL{$channel};
		2802
		2803	$self->ext_msg (channel_info => $channel)
		2804	if $self->can_msg;
		2805
		2806	$channel = $channel->{id};
		2807
		2808	} elsif (ref $channel) {
		2809	# send meta info to client, if not yet sent
		2810	unless (exists $self->{channel}{$channel->{id}}) {
		2811	$self->{channel}{$channel->{id}} = $channel;
		2812	$self->ext_msg (channel_info => $channel)
		2813	if $self->can_msg;
		2814	}
		2815
		2816	$channel = $channel->{id};
		2817	}
		2818
		2819	return unless @extra || length $msg;
		2820
		2821	if ($self->can_msg) {
		2822	# default colour, mask it out
		2823	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2824	if $color & cf::NDI_DEF;
		2825
		2826	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2827	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2828	} else {
		2829	if ($color >= 0) {
		2830	# replace some tags by gcfclient-compatible ones
		2831	for ($msg) {
		2832	1 while
		2833	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2834	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2835	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2836	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2837	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2838	}
		2839
		2840	$color &= cf::NDI_COLOR_MASK;
		2841
		2842	utf8::encode $msg;
		2843
		2844	if (0 && $msg =~ /\[/) {
		2845	# COMMAND/INFO
		2846	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2847	} else {
		2848	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2849	$self->send_packet ("drawinfo $color $msg")
		2850	}
		2851	}
		2852	}
		2853	}
		2854
		2855	=item $client->ext_msg ($type, @msg)
		2856
		2857	Sends an ext event to the client.
		2858
		2859	=cut
		2860
		2861	sub cf::client::ext_msg($$@) {
		2862	my ($self, $type, @msg) = @_;
		2863
		2864	if ($self->extcmd == 2) {
		2865	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2866	} elsif ($self->extcmd == 1) { # TODO: remove
		2867	push @msg, msgtype => "event_$type";
		2868	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2869	}
		2870	}
		2871
		2872	=item $client->ext_reply ($msgid, @msg)
		2873
		2874	Sends an ext reply to the client.
		2875
		2876	=cut
		2877
		2878	sub cf::client::ext_reply($$@) {
		2879	my ($self, $id, @msg) = @_;
		2880
		2881	if ($self->extcmd == 2) {
		2882	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2883	} elsif ($self->extcmd == 1) {
		2884	#TODO: version 1, remove
		2885	unshift @msg, msgtype => "reply", msgid => $id;
		2886	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2887	}
		2888	}
1909		2889
1910	=item $success = $client->query ($flags, "text", \&cb)	2890	=item $success = $client->query ($flags, "text", \&cb)
1911		2891
1912	Queues a query to the client, calling the given callback with	2892	Queues a query to the client, calling the given callback with
1913	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2893	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1914	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2894	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1915		2895
1916	Queries can fail, so check the return code. Or don't, as queries will become	2896	Queries can fail, so check the return code. Or don't, as queries will
1917	reliable at some point in the future.	2897	become reliable at some point in the future.
1918		2898
1919	=cut	2899	=cut
1920		2900
1921	sub cf::client::query {	2901	sub cf::client::query {
1922	my ($self, $flags, $text, $cb) = @_;	2902	my ($self, $flags, $text, $cb) = @_;
…		…
1930	utf8::encode $text;	2910	utf8::encode $text;
1931	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2911	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1932		2912
1933	$self->send_packet ($self->{query_queue}[0][0])	2913	$self->send_packet ($self->{query_queue}[0][0])
1934	if @{ $self->{query_queue} } == 1;	2914	if @{ $self->{query_queue} } == 1;
		2915
		2916	1
1935	}	2917	}
1936		2918
1937	cf::client->attach (	2919	cf::client->attach (
		2920	on_connect => sub {
		2921	my ($ns) = @_;
		2922
		2923	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2924	},
1938	on_reply => sub {	2925	on_reply => sub {
1939	my ($ns, $msg) = @_;	2926	my ($ns, $msg) = @_;
1940		2927
1941	# this weird shuffling is so that direct followup queries	2928	# this weird shuffling is so that direct followup queries
1942	# get handled first	2929	# get handled first
1943	my $queue = delete $ns->{query_queue}	2930	my $queue = delete $ns->{query_queue}
1944	or return; # be conservative, not sure how that can happen, but we saw a crash here	2931	or return; # be conservative, not sure how that can happen, but we saw a crash here
1945		2932
1946	(shift @$queue)->[1]->($msg);	2933	(shift @$queue)->[1]->($msg);
		2934	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1947		2935
1948	push @{ $ns->{query_queue} }, @$queue;	2936	push @{ $ns->{query_queue} }, @$queue;
1949		2937
1950	if (@{ $ns->{query_queue} } == @$queue) {	2938	if (@{ $ns->{query_queue} } == @$queue) {
1951	if (@$queue) {	2939	if (@$queue) {
…		…
1953	} else {	2941	} else {
1954	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2942	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1955	}	2943	}
1956	}	2944	}
1957	},	2945	},
		2946	on_exticmd => sub {
		2947	my ($ns, $buf) = @_;
		2948
		2949	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2950
		2951	if (ref $msg) {
		2952	my ($type, $reply, @payload) =
		2953	"ARRAY" eq ref $msg
		2954	? @$msg
		2955	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2956
		2957	my @reply;
		2958
		2959	if (my $cb = $EXTICMD{$type}) {
		2960	@reply = $cb->($ns, @payload);
		2961	}
		2962
		2963	$ns->ext_reply ($reply, @reply)
		2964	if $reply;
		2965
		2966	} else {
		2967	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2968	}
		2969
		2970	cf::override;
		2971	},
1958	);	2972	);
1959		2973
1960	=item $client->async (\&cb)	2974	=item $client->async (\&cb)
1961		2975
1962	Create a new coroutine, running the specified callback. The coroutine will	2976	Create a new coroutine, running the specified callback. The coroutine will
…		…
2003	our $safe = new Safe "safe";	3017	our $safe = new Safe "safe";
2004	our $safe_hole = new Safe::Hole;	3018	our $safe_hole = new Safe::Hole;
2005		3019
2006	$SIG{FPE} = 'IGNORE';	3020	$SIG{FPE} = 'IGNORE';
2007		3021
2008	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3022	$safe->permit_only (Opcode::opset qw(
		3023	:base_core :base_mem :base_orig :base_math
		3024	grepstart grepwhile mapstart mapwhile
		3025	sort time
		3026	));
2009		3027
2010	# here we export the classes and methods available to script code	3028	# here we export the classes and methods available to script code
2011		3029
2012	=pod	3030	=pod
2013		3031
2014	The following fucntions and emthods are available within a safe environment:	3032	The following functions and methods are available within a safe environment:
2015		3033
2016	cf::object contr pay_amount pay_player map	3034	cf::object
		3035	contr pay_amount pay_player map x y force_find force_add destroy
		3036	insert remove name archname title slaying race decrease_ob_nr
		3037
2017	cf::object::player player	3038	cf::object::player
2018	cf::player peaceful	3039	player
2019	cf::map trigger	3040
		3041	cf::player
		3042	peaceful
		3043
		3044	cf::map
		3045	trigger
2020		3046
2021	=cut	3047	=cut
2022		3048
2023	for (	3049	for (
2024	["cf::object" => qw(contr pay_amount pay_player map)],	3050	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3051	insert remove inv name archname title slaying race
		3052	decrease_ob_nr destroy)],
2025	["cf::object::player" => qw(player)],	3053	["cf::object::player" => qw(player)],
2026	["cf::player" => qw(peaceful)],	3054	["cf::player" => qw(peaceful)],
2027	["cf::map" => qw(trigger)],	3055	["cf::map" => qw(trigger)],
2028	) {	3056	) {
2029	no strict 'refs';	3057	no strict 'refs';
…		…
2100	=back	3128	=back
2101		3129
2102	=cut	3130	=cut
2103		3131
2104	#############################################################################	3132	#############################################################################
		3133	# the server's init and main functions
2105		3134
2106	=head2 EXTENSION DATABASE SUPPORT	3135	sub load_facedata($) {
		3136	my ($path) = @_;
2107		3137
2108	Crossfire maintains a very simple database for extension use. It can	3138	# HACK to clear player env face cache, we need some signal framework
2109	currently store anything that can be serialised using Storable, which	3139	# for this (global event?)
2110	excludes objects.	3140	%ext::player_env::MUSIC_FACE_CACHE = ();
2111		3141
2112	The parameter C<$family> should best start with the name of the extension	3142	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2113	using it, it should be unique.
2114		3143
2115	=over 4	3144	warn "loading facedata from $path\n";
2116		3145
2117	=item $hashref = cf::db_get $family	3146	my $facedata;
		3147	0 < aio_load $path, $facedata
		3148	or die "$path: $!";
2118		3149
2119	Return a hashref for use by the extension C<$family>, which can be	3150	$facedata = Coro::Storable::thaw $facedata;
2120	modified. After modifications, you have to call C<cf::db_dirty> or
2121	C<cf::db_sync>.
2122		3151
2123	=item $value = cf::db_get $family => $key	3152	$facedata->{version} == 2
		3153	or cf::cleanup "$path: version mismatch, cannot proceed.";
2124		3154
2125	Returns a single value from the database	3155	# patch in the exptable
2126		3156	$facedata->{resource}{"res/exp_table"} = {
2127	=item cf::db_put $family => $hashref	3157	type => FT_RSRC,
2128		3158	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2129	Stores the given family hashref into the database. Updates are delayed, if
2130	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2131
2132	=item cf::db_put $family => $key => $value
2133
2134	Stores the given C<$value> in the family hash. Updates are delayed, if you
2135	want the data to be synced to disk immediately, use C<cf::db_sync>.
2136
2137	=item cf::db_dirty
2138
2139	Marks the database as dirty, to be updated at a later time.
2140
2141	=item cf::db_sync
2142
2143	Immediately write the database to disk I<if it is dirty>.
2144
2145	=cut
2146
2147	our $DB;
2148
2149	{
2150	my $path = cf::localdir . "/database.pst";
2151
2152	sub db_load() {
2153	$DB = stat $path ? Storable::retrieve $path : { };
2154	}
2155
2156	my $pid;
2157
2158	sub db_save() {
2159	waitpid $pid, 0 if $pid;
2160	if (0 == ($pid = fork)) {
2161	$DB->{_meta}{version} = 1;
2162	Storable::nstore $DB, "$path~";
2163	rename "$path~", $path;
2164	cf::_exit 0 if defined $pid;
2165	}
2166	}
2167
2168	my $dirty;
2169
2170	sub db_sync() {
2171	db_save if $dirty;
2172	undef $dirty;
2173	}
2174
2175	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2176	db_sync;
2177	});	3159	};
		3160	cf::cede_to_tick;
2178		3161
2179	sub db_dirty() {
2180	$dirty = 1;
2181	$idle->start;
2182	}	3162	{
		3163	my $faces = $facedata->{faceinfo};
2183		3164
2184	sub db_get($;$) {	3165	while (my ($face, $info) = each %$faces) {
2185	@_ >= 2	3166	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2186	? $DB->{$_[0]}{$_[1]}
2187	: ($DB->{$_[0]} ||= { })
2188	}
2189		3167
2190	sub db_put($$;$) {	3168	cf::face::set_visibility $idx, $info->{visibility};
2191	if (@_ >= 3) {	3169	cf::face::set_magicmap $idx, $info->{magicmap};
2192	$DB->{$_[0]}{$_[1]} = $_[2];	3170	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2193	} else {	3171	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2194	$DB->{$_[0]} = $_[1];
2195	}
2196	db_dirty;
2197	}
2198		3172
2199	cf::global->attach (	3173	cf::cede_to_tick;
2200	prio => 10000,
2201	on_cleanup => sub {
2202	db_sync;
2203	},	3174	}
2204	);
2205	}
2206		3175
2207	#############################################################################	3176	while (my ($face, $info) = each %$faces) {
2208	# the server's main()	3177	next unless $info->{smooth};
2209		3178
2210	sub cfg_load {	3179	my $idx = cf::face::find $face
		3180	or next;
		3181
		3182	if (my $smooth = cf::face::find $info->{smooth}) {
		3183	cf::face::set_smooth $idx, $smooth;
		3184	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3185	} else {
		3186	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3187	}
		3188
		3189	cf::cede_to_tick;
		3190	}
		3191	}
		3192
		3193	{
		3194	my $anims = $facedata->{animinfo};
		3195
		3196	while (my ($anim, $info) = each %$anims) {
		3197	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3198	cf::cede_to_tick;
		3199	}
		3200
		3201	cf::anim::invalidate_all; # d'oh
		3202	}
		3203
		3204	{
		3205	# TODO: for gcfclient pleasure, we should give resources
		3206	# that gcfclient doesn't grok a >10000 face index.
		3207	my $res = $facedata->{resource};
		3208
		3209	while (my ($name, $info) = each %$res) {
		3210	if (defined $info->{type}) {
		3211	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3212	my $data;
		3213
		3214	if ($info->{type} & 1) {
		3215	# prepend meta info
		3216
		3217	my $meta = $enc->encode ({
		3218	name => $name,
		3219	%{ $info->{meta} || {} },
		3220	});
		3221
		3222	$data = pack "(w/a*)*", $meta, $info->{data};
		3223	} else {
		3224	$data = $info->{data};
		3225	}
		3226
		3227	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3228	cf::face::set_type $idx, $info->{type};
		3229	} else {
		3230	$RESOURCE{$name} = $info;
		3231	}
		3232
		3233	cf::cede_to_tick;
		3234	}
		3235	}
		3236
		3237	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3238
		3239	1
		3240	}
		3241
		3242	cf::global->attach (on_resource_update => sub {
		3243	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3244	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3245
		3246	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3247	my $sound = $soundconf->{compat}[$_]
		3248	or next;
		3249
		3250	my $face = cf::face::find "sound/$sound->[1]";
		3251	cf::sound::set $sound->[0] => $face;
		3252	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3253	}
		3254
		3255	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3256	my $face = cf::face::find "sound/$v";
		3257	cf::sound::set $k => $face;
		3258	}
		3259	}
		3260	});
		3261
		3262	register_exticmd fx_want => sub {
		3263	my ($ns, $want) = @_;
		3264
		3265	while (my ($k, $v) = each %$want) {
		3266	$ns->fx_want ($k, $v);
		3267	}
		3268	};
		3269
		3270	sub reload_regions {
		3271	# HACK to clear player env face cache, we need some signal framework
		3272	# for this (global event?)
		3273	%ext::player_env::MUSIC_FACE_CACHE = ();
		3274
		3275	load_resource_file "$MAPDIR/regions"
		3276	or die "unable to load regions file\n";
		3277
		3278	for (cf::region::list) {
		3279	$_->{match} = qr/$_->{match}/
		3280	if exists $_->{match};
		3281	}
		3282	}
		3283
		3284	sub reload_facedata {
		3285	load_facedata "$DATADIR/facedata"
		3286	or die "unable to load facedata\n";
		3287	}
		3288
		3289	sub reload_archetypes {
		3290	load_resource_file "$DATADIR/archetypes"
		3291	or die "unable to load archetypes\n";
		3292	#d# NEED to laod twice to resolve forward references
		3293	# this really needs to be done in an extra post-pass
		3294	# (which needs to be synchronous, so solve it differently)
		3295	load_resource_file "$DATADIR/archetypes"
		3296	or die "unable to load archetypes\n";
		3297	}
		3298
		3299	sub reload_treasures {
		3300	load_resource_file "$DATADIR/treasures"
		3301	or die "unable to load treasurelists\n";
		3302	}
		3303
		3304	sub reload_resources {
		3305	warn "reloading resource files...\n";
		3306
		3307	reload_regions;
		3308	reload_facedata;
		3309	#reload_archetypes;#d#
		3310	reload_archetypes;
		3311	reload_treasures;
		3312
		3313	warn "finished reloading resource files\n";
		3314	}
		3315
		3316	sub init {
		3317	reload_resources;
		3318	}
		3319
		3320	sub reload_config {
2211	open my $fh, "<:utf8", cf::confdir . "/config"	3321	open my $fh, "<:utf8", "$CONFDIR/config"
2212	or return;	3322	or return;
2213		3323
2214	local $/;	3324	local $/;
2215	*CFG = YAML::Syck::Load <$fh>;	3325	*CFG = YAML::Load <$fh>;
2216		3326
2217	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3327	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2218		3328
2219	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3329	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2220	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3330	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2231	sub main {	3341	sub main {
2232	# we must not ever block the main coroutine	3342	# we must not ever block the main coroutine
2233	local $Coro::idle = sub {	3343	local $Coro::idle = sub {
2234	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3344	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2235	(async {	3345	(async {
2236	Event::one_event;	3346	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3347	EV::loop EV::LOOP_ONESHOT;
2237	})->prio (Coro::PRIO_MAX);	3348	})->prio (Coro::PRIO_MAX);
2238	};	3349	};
2239		3350
2240	cfg_load;	3351	reload_config;
2241	db_load;	3352	db_init;
2242	load_extensions;	3353	load_extensions;
		3354
		3355	$TICK_WATCHER->start;
		3356	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2243	Event::loop;	3357	EV::loop;
2244	}	3358	}
2245		3359
2246	#############################################################################	3360	#############################################################################
2247	# initialisation and cleanup	3361	# initialisation and cleanup
2248		3362
2249	# install some emergency cleanup handlers	3363	# install some emergency cleanup handlers
2250	BEGIN {	3364	BEGIN {
		3365	our %SIGWATCHER = ();
2251	for my $signal (qw(INT HUP TERM)) {	3366	for my $signal (qw(INT HUP TERM)) {
2252	Event->signal (	3367	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2253	data => WF_AUTOCANCEL,
2254	signal => $signal,
2255	cb => sub {
2256	cf::cleanup "SIG$signal";	3368	cf::cleanup "SIG$signal";
2257	},
2258	);	3369	};
		3370	}
		3371	}
		3372
		3373	sub write_runtime {
		3374	my $runtime = "$LOCALDIR/runtime";
		3375
		3376	# first touch the runtime file to show we are still running:
		3377	# the fsync below can take a very very long time.
		3378
		3379	IO::AIO::aio_utime $runtime, undef, undef;
		3380
		3381	my $guard = cf::lock_acquire "write_runtime";
		3382
		3383	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3384	or return;
		3385
		3386	my $value = $cf::RUNTIME + 90 + 10;
		3387	# 10 is the runtime save interval, for a monotonic clock
		3388	# 60 allows for the watchdog to kill the server.
		3389
		3390	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3391	and return;
		3392
		3393	# always fsync - this file is important
		3394	aio_fsync $fh
		3395	and return;
		3396
		3397	# touch it again to show we are up-to-date
		3398	aio_utime $fh, undef, undef;
		3399
		3400	close $fh
		3401	or return;
		3402
		3403	aio_rename "$runtime~", $runtime
		3404	and return;
		3405
		3406	warn "runtime file written.\n";
		3407
2259	}	3408	1
2260	}	3409	}
2261		3410
2262	sub emergency_save() {	3411	sub emergency_save() {
2263	my $freeze_guard = cf::freeze_mainloop;	3412	my $freeze_guard = cf::freeze_mainloop;
2264		3413
…		…
2270	# and maps saved/destroyed asynchronously.	3419	# and maps saved/destroyed asynchronously.
2271	warn "begin emergency player save\n";	3420	warn "begin emergency player save\n";
2272	for my $login (keys %cf::PLAYER) {	3421	for my $login (keys %cf::PLAYER) {
2273	my $pl = $cf::PLAYER{$login} or next;	3422	my $pl = $cf::PLAYER{$login} or next;
2274	$pl->valid or next;	3423	$pl->valid or next;
		3424	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2275	$pl->save;	3425	$pl->save;
2276	}	3426	}
2277	warn "end emergency player save\n";	3427	warn "end emergency player save\n";
2278		3428
2279	warn "begin emergency map save\n";	3429	warn "begin emergency map save\n";
…		…
2281	my $map = $cf::MAP{$path} or next;	3431	my $map = $cf::MAP{$path} or next;
2282	$map->valid or next;	3432	$map->valid or next;
2283	$map->save;	3433	$map->save;
2284	}	3434	}
2285	warn "end emergency map save\n";	3435	warn "end emergency map save\n";
		3436
		3437	warn "begin emergency database checkpoint\n";
		3438	BDB::db_env_txn_checkpoint $DB_ENV;
		3439	warn "end emergency database checkpoint\n";
2286	};	3440	};
2287		3441
2288	warn "leave emergency perl save\n";	3442	warn "leave emergency perl save\n";
2289	}	3443	}
2290		3444
		3445	sub post_cleanup {
		3446	my ($make_core) = @_;
		3447
		3448	warn Carp::longmess "post_cleanup backtrace"
		3449	if $make_core;
		3450	}
		3451
2291	sub reload() {	3452	sub do_reload_perl() {
2292	# can/must only be called in main	3453	# can/must only be called in main
2293	if ($Coro::current != $Coro::main) {	3454	if ($Coro::current != $Coro::main) {
2294	warn "can only reload from main coroutine\n";	3455	warn "can only reload from main coroutine";
2295	return;	3456	return;
2296	}	3457	}
2297		3458
2298	warn "reloading...";	3459	warn "reloading...";
2299		3460
2300	warn "freezing server";	3461	warn "entering sync_job";
2301	my $guard = freeze_mainloop;	3462
		3463	cf::sync_job {
		3464	cf::write_runtime; # external watchdog should not bark
2302	cf::emergency_save;	3465	cf::emergency_save;
		3466	cf::write_runtime; # external watchdog should not bark
2303		3467
2304	warn "sync database to disk";	3468	warn "syncing database to disk";
2305	cf::db_sync;	3469	BDB::db_env_txn_checkpoint $DB_ENV;
2306	IO::AIO::flush;
2307		3470
2308	eval {
2309	# if anything goes wrong in here, we should simply crash as we already saved	3471	# if anything goes wrong in here, we should simply crash as we already saved
2310		3472
2311	warn "cancel all watchers";	3473	warn "flushing outstanding aio requests";
2312	for (Event::all_watchers) {	3474	for (;;) {
2313	$_->cancel if $_->data & WF_AUTOCANCEL;	3475	BDB::flush;
		3476	IO::AIO::flush;
		3477	Coro::cede_notself;
		3478	last unless IO::AIO::nreqs || BDB::nreqs;
		3479	warn "iterate...";
2314	}	3480	}
2315		3481
		3482	++$RELOAD;
		3483
2316	warn "cancel all extension coros";	3484	warn "cancelling all extension coros";
2317	$_->cancel for values %EXT_CORO;	3485	$_->cancel for values %EXT_CORO;
2318	%EXT_CORO = ();	3486	%EXT_CORO = ();
2319		3487
2320	warn "remove commands";	3488	warn "removing commands";
2321	%COMMAND = ();	3489	%COMMAND = ();
2322		3490
2323	warn "remove ext commands";	3491	warn "removing ext/exti commands";
2324	%EXTCMD = ();	3492	%EXTCMD = ();
		3493	%EXTICMD = ();
2325		3494
2326	warn "unload/nuke all extensions";	3495	warn "unloading/nuking all extensions";
2327	for my $pkg (@EXTS) {	3496	for my $pkg (@EXTS) {
2328	warn "... unloading $pkg";	3497	warn "... unloading $pkg";
2329		3498
2330	if (my $cb = $pkg->can ("unload")) {	3499	if (my $cb = $pkg->can ("unload")) {
2331	eval {	3500	eval {
…		…
2336		3505
2337	warn "... nuking $pkg";	3506	warn "... nuking $pkg";
2338	Symbol::delete_package $pkg;	3507	Symbol::delete_package $pkg;
2339	}	3508	}
2340		3509
2341	warn "unload all perl modules loaded from $LIBDIR";	3510	warn "unloading all perl modules loaded from $LIBDIR";
2342	while (my ($k, $v) = each %INC) {	3511	while (my ($k, $v) = each %INC) {
2343	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3512	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2344		3513
2345	warn "removing <$k>";	3514	warn "... unloading $k";
2346	delete $INC{$k};	3515	delete $INC{$k};
2347		3516
2348	$k =~ s/\.pm$//;	3517	$k =~ s/\.pm$//;
2349	$k =~ s/\//::/g;	3518	$k =~ s/\//::/g;
2350		3519
…		…
2353	}	3522	}
2354		3523
2355	Symbol::delete_package $k;	3524	Symbol::delete_package $k;
2356	}	3525	}
2357		3526
2358	warn "get rid of safe::, as good as possible";	3527	warn "getting rid of safe::, as good as possible";
2359	Symbol::delete_package "safe::$_"	3528	Symbol::delete_package "safe::$_"
2360	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3529	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2361		3530
2362	warn "unload cf.pm \"a bit\"";	3531	warn "unloading cf.pm \"a bit\"";
2363	delete $INC{"cf.pm"};	3532	delete $INC{"cf.pm"};
		3533	delete $INC{"cf/pod.pm"};
2364		3534
2365	# don't, removes xs symbols, too,	3535	# don't, removes xs symbols, too,
2366	# and global variables created in xs	3536	# and global variables created in xs
2367	#Symbol::delete_package __PACKAGE__;	3537	#Symbol::delete_package __PACKAGE__;
2368		3538
		3539	warn "unload completed, starting to reload now";
		3540
2369	warn "reloading cf.pm";	3541	warn "reloading cf.pm";
2370	require cf;	3542	require cf;
2371	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3543	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2372		3544
2373	warn "load config and database again";	3545	warn "loading config and database again";
2374	cf::cfg_load;	3546	cf::reload_config;
2375	cf::db_load;
2376		3547
2377	warn "load extensions";	3548	warn "loading extensions";
2378	cf::load_extensions;	3549	cf::load_extensions;
2379		3550
2380	warn "reattach attachments to objects/players";	3551	warn "reattaching attachments to objects/players";
2381	_global_reattach;	3552	_global_reattach; # objects, sockets
2382	warn "reattach attachments to maps";	3553	warn "reattaching attachments to maps";
2383	reattach $_ for values %MAP;	3554	reattach $_ for values %MAP;
2384	};	3555	warn "reattaching attachments to players";
		3556	reattach $_ for values %PLAYER;
2385		3557
2386	if ($@) {	3558	warn "leaving sync_job";
		3559
		3560	1
		3561	} or do {
2387	warn $@;	3562	warn $@;
2388	warn "error while reloading, exiting.";	3563	warn "error while reloading, exiting.";
2389	exit 1;	3564	exit 1;
2390	}	3565	};
2391		3566
2392	warn "reloaded";	3567	warn "reloaded";
2393	};	3568	};
2394		3569
2395	our $RELOAD_WATCHER; # used only during reload	3570	our $RELOAD_WATCHER; # used only during reload
2396		3571
		3572	sub reload_perl() {
		3573	# doing reload synchronously and two reloads happen back-to-back,
		3574	# coro crashes during coro_state_free->destroy here.
		3575
		3576	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3577	do_reload_perl;
		3578	undef $RELOAD_WATCHER;
		3579	};
		3580	}
		3581
2397	register_command "reload" => sub {	3582	register_command "reload" => sub {
2398	my ($who, $arg) = @_;	3583	my ($who, $arg) = @_;
2399		3584
2400	if ($who->flag (FLAG_WIZ)) {	3585	if ($who->flag (FLAG_WIZ)) {
2401	$who->message ("reloading server.");	3586	$who->message ("reloading server.");
2402		3587	async {
2403	# doing reload synchronously and two reloads happen back-to-back,	3588	$Coro::current->{desc} = "perl_reload";
2404	# coro crashes during coro_state_free->destroy here.
2405
2406	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2407	reload;	3589	reload_perl;
2408	undef $RELOAD_WATCHER;
2409	});	3590	};
2410	}	3591	}
2411	};	3592	};
2412		3593
2413	unshift @INC, $LIBDIR;	3594	unshift @INC, $LIBDIR;
2414		3595
2415	$TICK_WATCHER = Event->timer (	3596	my $bug_warning = 0;
2416	reentrant => 0,
2417	prio => 0,
2418	at => $NEXT_TICK || $TICK,
2419	data => WF_AUTOCANCEL,
2420	cb => sub {
2421	$NOW = Event::time;
2422		3597
		3598	our @WAIT_FOR_TICK;
		3599	our @WAIT_FOR_TICK_BEGIN;
		3600
		3601	sub wait_for_tick {
		3602	return unless $TICK_WATCHER->is_active;
		3603	return if $Coro::current == $Coro::main;
		3604
		3605	my $signal = new Coro::Signal;
		3606	push @WAIT_FOR_TICK, $signal;
		3607	$signal->wait;
		3608	}
		3609
		3610	sub wait_for_tick_begin {
		3611	return unless $TICK_WATCHER->is_active;
		3612	return if $Coro::current == $Coro::main;
		3613
		3614	my $signal = new Coro::Signal;
		3615	push @WAIT_FOR_TICK_BEGIN, $signal;
		3616	$signal->wait;
		3617	}
		3618
		3619	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
		3620	if ($Coro::current != $Coro::main) {
		3621	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3622	unless ++$bug_warning > 10;
		3623	return;
		3624	}
		3625
		3626	$NOW = $tick_start = EV::now;
		3627
2423	cf::server_tick; # one server iteration	3628	cf::server_tick; # one server iteration
		3629
2424	$RUNTIME += $TICK;	3630	$RUNTIME += $TICK;
2425	$NEXT_TICK += $TICK;	3631	$NEXT_TICK = $_[0]->at;
2426		3632
2427	$WAIT_FOR_TICK->broadcast;	3633	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2428	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3634	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2429		3635	Coro::async_pool {
2430	# if we are delayed by four ticks or more, skip them all	3636	$Coro::current->{desc} = "runtime saver";
2431	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2432
2433	$TICK_WATCHER->at ($NEXT_TICK);
2434	$TICK_WATCHER->start;
2435	},
2436	);
2437
2438	IO::AIO::max_poll_time $TICK * 0.2;
2439
2440	$AIO_POLL_WATCHER = Event->io (
2441	fd => IO::AIO::poll_fileno,
2442	poll => 'r',
2443	prio => 5,
2444	data => WF_AUTOCANCEL,
2445	cb => \&IO::AIO::poll_cb,
2446	);
2447
2448	$WRITE_RUNTIME_WATCHER = Event->timer (
2449	data => WF_AUTOCANCEL,
2450	after => 0,
2451	interval => 10,
2452	cb => sub {
2453	(Coro::unblock_sub {
2454	write_runtime	3637	write_runtime
2455	or warn "ERROR: unable to write runtime file: $!";	3638	or warn "ERROR: unable to write runtime file: $!";
2456	})->();	3639	};
2457	},	3640	}
2458	);	3641
		3642	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3643	$sig->send;
		3644	}
		3645	while (my $sig = shift @WAIT_FOR_TICK) {
		3646	$sig->send;
		3647	}
		3648
		3649	$LOAD = ($NOW - $tick_start) / $TICK;
		3650	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3651
		3652	_post_tick;
		3653	};
		3654	$TICK_WATCHER->priority (EV::MAXPRI);
		3655
		3656	{
		3657	# configure BDB
		3658
		3659	BDB::min_parallel 8;
		3660	BDB::max_poll_reqs $TICK * 0.1;
		3661	$Coro::BDB::WATCHER->priority (1);
		3662
		3663	unless ($DB_ENV) {
		3664	$DB_ENV = BDB::db_env_create;
		3665	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3666	| BDB::LOG_AUTOREMOVE, 1);
		3667	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3668	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3669
		3670	cf::sync_job {
		3671	eval {
		3672	BDB::db_env_open
		3673	$DB_ENV,
		3674	$BDBDIR,
		3675	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3676	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3677	0666;
		3678
		3679	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3680	};
		3681
		3682	cf::cleanup "db_env_open(db): $@" if $@;
		3683	};
		3684	}
		3685
		3686	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3687	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3688	};
		3689	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3690	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3691	};
		3692	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3693	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3694	};
		3695	}
		3696
		3697	{
		3698	# configure IO::AIO
		3699
		3700	IO::AIO::min_parallel 8;
		3701	IO::AIO::max_poll_time $TICK * 0.1;
		3702	$Coro::AIO::WATCHER->priority (1);
		3703	}
		3704
		3705	my $_log_backtrace;
		3706
		3707	sub _log_backtrace {
		3708	my ($msg, @addr) = @_;
		3709
		3710	$msg =~ s/\n//;
		3711
		3712	# limit the # of concurrent backtraces
		3713	if ($_log_backtrace < 2) {
		3714	++$_log_backtrace;
		3715	async {
		3716	$Coro::current->{desc} = "abt $msg";
		3717
		3718	my @bt = fork_call {
		3719	@addr = map { sprintf "%x", $_ } @addr;
		3720	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3721	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3722	or die "addr2line: $!";
		3723
		3724	my @funcs;
		3725	my @res = <$fh>;
		3726	chomp for @res;
		3727	while (@res) {
		3728	my ($func, $line) = splice @res, 0, 2, ();
		3729	push @funcs, "[$func] $line";
		3730	}
		3731
		3732	@funcs
		3733	};
		3734
		3735	LOG llevInfo, "[ABT] $msg\n";
		3736	LOG llevInfo, "[ABT] $_\n" for @bt;
		3737	--$_log_backtrace;
		3738	};
		3739	} else {
		3740	LOG llevInfo, "[ABT] $msg\n";
		3741	LOG llevInfo, "[ABT] [suppressed]\n";
		3742	}
		3743	}
		3744
		3745	# load additional modules
		3746	use cf::pod;
2459		3747
2460	END { cf::emergency_save }	3748	END { cf::emergency_save }
2461		3749
2462	1	3750	1
2463		3751

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