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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 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 3.3 ();	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;
		75	our $AIO_POLL_WATCHER;
		76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	77	our $NEXT_TICK;
50	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;
51		85
52	our %CFG;	86	our %CFG;
53		87
54	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
56		91
57	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		95
65	# 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 ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		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 $tick_start; # for load detecting purposes
		102
68	binmode STDOUT;	103	binmode STDOUT;
69	binmode STDERR;	104	binmode STDERR;
70		105
71	# read virtual server time, if available	106	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
76	}	111	}
77		112
78	mkdir cf::localdir;	113	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		115
84	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
85		119
86	#############################################################################	120	#############################################################################
87		121
88	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
89		123
…		…
96	=item $cf::RUNTIME	130	=item $cf::RUNTIME
97		131
98	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
99	every server tick.	133	every server tick.
100		134
101	=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
102		138
103	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
104	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.
105		143
106	=item $cf::NOW	144	=item $cf::NOW
107		145
108	The time of the last (current) server tick.	146	The time of the last (current) server tick.
109		147
110	=item $cf::TICK	148	=item $cf::TICK
111		149
112	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
113		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
114	=item %cf::CFG	162	=item %cf::CFG
115		163
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	165	from wherever your confdir points to.
118		166
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		168
121	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
122	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
123	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.
124	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.
125		178
126	=back	179	=back
127		180
128	=cut	181	=cut
129		182
130	BEGIN {	183	BEGIN {
131	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	185	my $msg = join "", @_;
133	utf8::encode $msg;
134		186
135	$msg .= "\n"	187	$msg .= "\n"
136	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
137		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
138	LOG llevError, $msg;	192	LOG llevError, $msg;
139	};	193	};
140	}	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#?
141		210
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@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';
147	@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)
148		218
149	# 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
150	# within the Safe compartment.	220	# within the Safe compartment.
151	for my $pkg (qw(	221	for my $pkg (qw(
152	cf::global cf::attachable	222	cf::global cf::attachable
…		…
157	)) {	227	)) {
158	no strict 'refs';	228	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	230	}
161		231
162	$Event::DIED = sub {	232	$EV::DIED = sub {
163	warn "error in event callback: @_";	233	warn "error in event callback: @_";
164	};	234	};
		235
		236	#############################################################################
165		237
166	=head2 UTILITY FUNCTIONS	238	=head2 UTILITY FUNCTIONS
167		239
168	=over 4	240	=over 4
169		241
…		…
188	$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;
189	$d	261	$d
190	} || "[unable to dump $_[0]: '$@']";	262	} || "[unable to dump $_[0]: '$@']";
191	}	263	}
192		264
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	265	=item $ref = cf::decode_json $json
196		266
197	Converts a JSON string into the corresponding perl data structure.	267	Converts a JSON string into the corresponding perl data structure.
198		268
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	269	=item $json = cf::encode_json $ref
207		270
208	Converts a perl data structure into its JSON representation.	271	Converts a perl data structure into its JSON representation.
209		272
210	=cut	273	=cut
211		274
212	sub to_json($) {	275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	276
214	JSON::Syck::Dump $_[0]	277	sub encode_json($) { $json_coder->encode ($_[0]) }
215	}	278	sub decode_json($) { $json_coder->decode ($_[0]) }
216		279
217	=item cf::lock_wait $string	280	=item cf::lock_wait $string
218		281
219	Wait until the given lock is available. See cf::lock_acquire.	282	Wait until the given lock is available. See cf::lock_acquire.
220		283
…		…
223	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
224	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,
225	for example when the coroutine gets canceled), the lock is automatically	288	for example when the coroutine gets canceled), the lock is automatically
226	returned.	289	returned.
227		290
		291	Locks are *not* recursive, locking from the same coro twice results in a
		292	deadlocked coro.
		293
228	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
229	uses map_find and cf::map::load uses map_load).	295	uses map_find and cf::map::load uses map_load).
230		296
		297	=item $locked = cf::lock_active $string
		298
		299	Return true if the lock is currently active, i.e. somebody has locked it.
		300
231	=cut	301	=cut
232		302
233	our %LOCK;	303	our %LOCK;
		304	our %LOCKER;#d#
234		305
235	sub lock_wait($) {	306	sub lock_wait($) {
236	my ($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#
237		313
238	# wait for lock, if any	314	# wait for lock, if any
239	while ($LOCK{$key}) {	315	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	316	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	317	Coro::schedule;
…		…
247		323
248	# wait, to be sure we are not locked	324	# wait, to be sure we are not locked
249	lock_wait $key;	325	lock_wait $key;
250		326
251	$LOCK{$key} = [];	327	$LOCK{$key} = [];
		328	$LOCKER{$key} = $Coro::current;#d#
252		329
253	Coro::guard {	330	Coro::guard {
		331	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	332	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	333	$_->ready for @{ delete $LOCK{$key} };
256	}	334	}
257	}	335	}
258		336
		337	sub lock_active($) {
		338	my ($key) = @_;
		339
		340	! ! $LOCK{$key}
		341	}
		342
259	sub freeze_mainloop {	343	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	344	return unless $TICK_WATCHER->is_active;
261		345
262	my $guard = Coro::guard { $TICK_WATCHER->start };	346	my $guard = Coro::guard {
		347	$TICK_WATCHER->start;
		348	};
263	$TICK_WATCHER->stop;	349	$TICK_WATCHER->stop;
264	$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	$sig->wait;
265	}	424	}
266		425
267	=item cf::async { BLOCK }	426	=item cf::async { BLOCK }
268		427
269	Currently the same as Coro::async_pool, meaning you cannot use	428	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		433
275	BEGIN { *async = \&Coro::async_pool }	434	BEGIN { *async = \&Coro::async_pool }
276		435
277	=item cf::sync_job { BLOCK }	436	=item cf::sync_job { BLOCK }
278		437
279	The design of crossfire+ requires that the main coro ($Coro::main) is	438	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	439	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	440	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		441	acceptable.
282		442
283	If it must be done, put the blocking parts into C<sync_job>. This will run	443	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	444	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	445	server will be frozen during this time, so the block should either finish
286	fast or be very important.	446	fast or be very important.
…		…
289		449
290	sub sync_job(&) {	450	sub sync_job(&) {
291	my ($job) = @_;	451	my ($job) = @_;
292		452
293	if ($Coro::current == $Coro::main) {	453	if ($Coro::current == $Coro::main) {
		454	my $time = EV::time;
		455
294	# this is the main coro, too bad, we have to block	456	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	457	# till the operation succeeds, freezing the server :/
296		458
		459	LOG llevError, Carp::longmess "sync job";#d#
		460
297	# TODO: use suspend/resume instead	461	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	462	# (but this is cancel-safe)
299	my $freeze_guard = freeze_mainloop;	463	my $freeze_guard = freeze_mainloop;
300		464
301	my $busy = 1;	465	my $busy = 1;
302	my @res;	466	my @res;
303		467
304	(async {	468	(async {
		469	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	470	@res = eval { $job->() };
306	warn $@ if $@;	471	warn $@ if $@;
307	undef $busy;	472	undef $busy;
308	})->prio (Coro::PRIO_MAX);	473	})->prio (Coro::PRIO_MAX);
309		474
310	while ($busy) {	475	while ($busy) {
311	Coro::cede or Event::one_event;	476	if (Coro::nready) {
		477	Coro::cede_notself;
		478	} else {
		479	EV::loop EV::LOOP_ONESHOT;
312	}	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
313		489
314	wantarray ? @res : $res[0]	490	wantarray ? @res : $res[0]
315	} else {	491	} else {
316	# we are in another coroutine, how wonderful, everything just works	492	# we are in another coroutine, how wonderful, everything just works
317		493
…		…
337	$EXT_CORO{$coro+0} = $coro;	513	$EXT_CORO{$coro+0} = $coro;
338		514
339	$coro	515	$coro
340	}	516	}
341		517
342	sub write_runtime {	518	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		519
345	my $runtime = cf::localdir . "/runtime";	520	Executes the given code block with the given arguments in a seperate
		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.
346		524
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	525	=cut
348	or return;
349		526
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	527	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	528	my ($cb, @args) = @_;
352	and return;
353		529
354	aio_fsync $fh	530	# we seemingly have to make a local copy of the whole thing,
355	and return;	531	# otherwise perl prematurely frees the stuff :/
		532	# TODO: investigate and fix (likely this will be rather laborious)
356		533
357	close $fh	534	my @res = Coro::Util::fork_eval {
358	or return;	535	reset_signals;
		536	&$cb
		537	}, @args;
359		538
360	aio_rename "$runtime~", $runtime	539	wantarray ? @res : $res[-1]
361	and return;	540	}
362		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($$) {
		584	my $key = "$_[0]/$_[1]";
		585
		586	cf::sync_job {
		587	BDB::db_get $DB, undef, $key, my $data;
		588
		589	$! ? ()
		590	: $data
363	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		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 });
364	}	678	}
365		679
366	=back	680	=back
367		681
368	=cut	682	=cut
…		…
375	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")
376	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
377		691
378	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>
379	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
380	crossfire+).	694	Deliantra).
381		695
382	=over 4	696	=over 4
383		697
384	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
385		699
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	813	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	814	our @CB_MAP = ();
501		815
502	my %attachment;	816	my %attachment;
503		817
		818	sub cf::attachable::thawer_merge {
		819	# simply override everything except _meta
		820	local $_[0]{_meta};
		821	%{$_[0]} = %{$_[1]};
		822	}
		823
504	sub _attach_cb($$$$) {	824	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	825	my ($registry, $event, $prio, $cb) = @_;
506		826
507	use sort 'stable';	827	use sort 'stable';
508		828
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	862	$registry = $CB_TYPE[$object_type] ||= [];
543		863
544	} elsif ($type eq "subtype") {	864	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	865	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	866	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	867	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		868
549	} elsif ($type eq "package") {	869	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	870	my $pkg = shift @arg;
551		871
552	while (my ($name, $id) = each %cb_id) {	872	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
582	}	902	}
583		903
584	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
585	} else {	905	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	907	}
588		908
589	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
590	}	910	}
591		911
…		…
593	if (ref $_[0]) {	913	if (ref $_[0]) {
594	_object_attach @_;	914	_object_attach @_;
595	} else {	915	} else {
596	_attach shift->_attach_registry, @_;	916	_attach shift->_attach_registry, @_;
597	}	917	}
		918	_recalc_want;
598	};	919	};
599		920
600	# all those should be optimised	921	# all those should be optimised
601	sub cf::attachable::detach {	922	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	926	delete $obj->{_attachment}{$name};
606	reattach ($obj);	927	reattach ($obj);
607	} else {	928	} else {
608	Carp::croak "cannot, currently, detach class attachments";	929	Carp::croak "cannot, currently, detach class attachments";
609	}	930	}
		931	_recalc_want;
610	};	932	};
611		933
612	sub cf::attachable::attached {	934	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
614		936
…		…
629	";	951	";
630	die if $@;	952	die if $@;
631	}	953	}
632		954
633	our $override;	955	our $override;
634	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?
635		957
636	sub override {	958	sub override {
637	$override = 1;	959	$override = 1;
638	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
639	}	961	}
640		962
641	sub do_invoke {	963	sub do_invoke {
642	my $event = shift;	964	my $event = shift;
643	my $callbacks = shift;	965	my $callbacks = shift;
644		966
645	@invoke_results = ();	967	@INVOKE_RESULTS = ();
646		968
647	local $override;	969	local $override;
648		970
649	for (@$callbacks) {	971	for (@$callbacks) {
650	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
659	}	981	}
660		982
661	0	983	0
662	}	984	}
663		985
664	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
665		987
666	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
667		989
668	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
669		991
670	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
671	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
672	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		995
674	=back	996	=back
675		997
676	=cut	998	=cut
677		999
678	#############################################################################	1000	#############################################################################
679	# 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	}
680		1044
681	sub reattach {	1045	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1047	my ($obj) = @_;
		1048
		1049	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1050
685	my $registry = $obj->registry;	1051	my $registry = $obj->registry;
686		1052
687	@$registry = ();	1053	@$registry = ();
688		1054
…		…
703	cf::attachable->attach (	1069	cf::attachable->attach (
704	prio => -1000000,	1070	prio => -1000000,
705	on_instantiate => sub {	1071	on_instantiate => sub {
706	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
707		1073
708	$data = from_json $data;	1074	$data = decode_json $data;
709		1075
710	for (@$data) {	1076	for (@$data) {
711	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
712		1078
713	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1095	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
731		1097
732	sync_job {	1098	sync_job {
733	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
736		1103
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1107	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1108	close $fh;
742		1109
743	if (@$objs) {	1110	if (@$objs) {
744	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) {
745	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1115	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1116	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
751	}	1118	}
752	} else {	1119	} else {
753	aio_unlink "$filename.pst";	1120	aio_unlink "$filename.pst";
…		…
759	}	1126	}
760	} else {	1127	} else {
761	aio_unlink $filename;	1128	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
763	}	1130	}
764	}	1131	};
765	}	1132	}
766		1133
767	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
769		1136
…		…
781	or return;	1148	or return;
782		1149
783	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
785	or return;	1152	or return;
		1153
786	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
787	}	1156	}
788		1157
		1158	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1160	$decname, length $data, scalar @{$av || []};
		1161
791	return ($data, $av);	1162	($data, $av)
792	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
793		1170
794	#############################################################################	1171	#############################################################################
795	# command handling &c	1172	# command handling &c
796		1173
797	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1188	}
812		1189
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1191
815	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.
816		1197
817	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
818	called.	1199	called.
819		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
820	=cut	1212	=cut
821		1213
822	sub register_extcmd {	1214	sub register_extcmd {
823	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
824		1216
825	$EXTCMD{$name} = $cb;	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
826	}	1224	}
827		1225
828	cf::player->attach (	1226	cf::player->attach (
829	on_command => sub {	1227	on_command => sub {
830	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1237	cf::override;
840	},	1238	},
841	on_extcmd => sub {	1239	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
843		1241
844	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1243
846	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
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
852	} else {	1259	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1261	}
855		1262
856	cf::override;	1263	cf::override;
857	},	1264	},
858	);	1265	);
859		1266
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
895	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1272	next unless -r $path;
897	eval {	1273
898	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;
899	1	1331	}
900	} or warn "$ext not loaded: $@";	1332
		1333	skip:
		1334	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1335	unless $progress;
		1336	}
901	}	1337	};
902	}	1338	}
903		1339
904	#############################################################################	1340	#############################################################################
905		1341
		1342	=back
		1343
906	=head2 CORE EXTENSIONS	1344	=head2 CORE EXTENSIONS
907		1345
908	Functions and methods that extend core crossfire objects.	1346	Functions and methods that extend core crossfire objects.
909		1347
910	=cut	1348	=cut
…		…
915		1353
916	=head3 cf::player	1354	=head3 cf::player
917		1355
918	=over 4	1356	=over 4
919		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
920	=item cf::player::find $login	1372	=item cf::player::find $login
921		1373
922	Returns the given player object, loading it if necessary (might block).	1374	Returns the given player object, loading it if necessary (might block).
923		1375
924	=cut	1376	=cut
925		1377
926	sub playerdir($) {	1378	sub playerdir($) {
927	cf::localdir	1379	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1380	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1381	}
933		1382
934	sub path($) {	1383	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1384	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1385
937	(playerdir $login) . "/$login.pl"	1386	(playerdir $login) . "/playerdata"
938	}	1387	}
939		1388
940	sub find_active($) {	1389	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1390	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1391	and $cf::PLAYER{$_[0]}->active
…		…
945		1394
946	sub exists($) {	1395	sub exists($) {
947	my ($login) = @_;	1396	my ($login) = @_;
948		1397
949	$cf::PLAYER{$login}	1398	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1399	or cf::sync_job { !aio_stat path $login }
951	}	1400	}
952		1401
953	sub find($) {	1402	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1403	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1404	my $login = $_[0];
956		1405
957	my $guard = cf::lock_acquire "user_find:$login";	1406	my $guard = cf::lock_acquire "user_find:$login";
958		1407
959	$cf::PLAYER{$_[0]} || do {	1408	$cf::PLAYER{$_[0]} || do {
960	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
961	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;
962	$cf::PLAYER{$login} = $pl	1423	$cf::PLAYER{$login} = $pl
963	}	1424	}
964	}	1425	}
965	}	1426	}
966		1427
…		…
976		1437
977	aio_mkdir playerdir $pl, 0770;	1438	aio_mkdir playerdir $pl, 0770;
978	$pl->{last_save} = $cf::RUNTIME;	1439	$pl->{last_save} = $cf::RUNTIME;
979		1440
980	$pl->save_pl ($path);	1441	$pl->save_pl ($path);
981	Coro::cede;	1442	cf::cede_to_tick;
982	}	1443	}
983		1444
984	sub new($) {	1445	sub new($) {
985	my ($login) = @_;	1446	my ($login) = @_;
986		1447
…		…
992	$cf::PLAYER{$login} = $self;	1453	$cf::PLAYER{$login} = $self;
993		1454
994	$self	1455	$self
995	}	1456	}
996		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
997	=item $pl->quit_character	1468	=item $pl->quit_character
998		1469
999	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
1000	be destroyed. May block for a long time.	1471	be destroyed. May block for a long time.
1001		1472
1002	=cut	1473	=cut
1003		1474
1004	sub quit_character {	1475	sub quit_character {
1005	my ($pl) = @_;	1476	my ($pl) = @_;
		1477
		1478	my $name = $pl->ob->name;
1006		1479
1007	$pl->{deny_save} = 1;	1480	$pl->{deny_save} = 1;
1008	$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
1009		1482
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1483	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1488	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1489	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1490	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1491	delete $cf::PLAYER{$pl->ob->name};
1019	$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
1020	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;
1021	}	1514	}
1022		1515
1023	=item cf::player::list_logins	1516	=item cf::player::list_logins
1024		1517
1025	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
1026	while and may block, so not sync_job-capable, ever.	1519	while and may block, so not sync_job-capable, ever.
1027		1520
1028	=cut	1521	=cut
1029		1522
1030	sub list_logins {	1523	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1524	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1525	or return [];
1033		1526
1034	my @logins;	1527	my @logins;
1035		1528
1036	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") {
1037	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1534	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1038	aio_read $fh, 0, 512, my $buf, 0 or next;	1535	aio_read $fh, 0, 512, my $buf, 0 or next;
1039	$buf !~ /^password -------------$/m or next; # official not-valid tag	1536	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1537	}
1040		1538
1041	utf8::decode $login;	1539	utf8::decode $login;
1042	push @logins, $login;	1540	push @logins, $login;
1043	}	1541	}
1044		1542
…		…
1052		1550
1053	=cut	1551	=cut
1054		1552
1055	sub maps($) {	1553	sub maps($) {
1056	my ($pl) = @_;	1554	my ($pl) = @_;
		1555
		1556	$pl = ref $pl ? $pl->ob->name : $pl;
1057		1557
1058	my $files = aio_readdir playerdir $pl	1558	my $files = aio_readdir playerdir $pl
1059	or return;	1559	or return;
1060		1560
1061	my @paths;	1561	my @paths;
…		…
1063	for (@$files) {	1563	for (@$files) {
1064	utf8::decode $_;	1564	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1565	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1566	next unless /^$PATH_SEP/o;
1067		1567
1068	s/\.map$//;	1568	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1569	}
1071		1570
1072	\@paths	1571	\@paths
1073	}	1572	}
1074		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
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1667	=item $player->ext_reply ($msgid, @msg)
1076		1668
1077	Sends an ext reply to the player.	1669	Sends an ext reply to the player.
1078		1670
1079	=cut	1671	=cut
1080		1672
1081	sub ext_reply($$$%) {	1673	sub ext_reply($$@) {
1082	my ($self, $id, %msg) = @_;	1674	my ($self, $id, @msg) = @_;
1083		1675
1084	$msg{msgid} = $id;	1676	$self->ns->ext_reply ($id, @msg)
1085
1086	$self->send ("ext " . cf::to_json \%msg);
1087	}	1677	}
1088		1678
1089	package cf;	1679	=item $player->ext_msg ($type, @msg)
		1680
		1681	Sends an ext event to the client.
		1682
		1683	=cut
		1684
		1685	sub ext_msg($$@) {
		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	}
1090		1719
1091	=back	1720	=back
1092
1093		1721
1094	=head3 cf::map	1722	=head3 cf::map
1095		1723
1096	=over 4	1724	=over 4
1097		1725
…		…
1101		1729
1102	use Fcntl;	1730	use Fcntl;
1103	use Coro::AIO;	1731	use Coro::AIO;
1104		1732
1105	use overload	1733	use overload
1106	'""' => \&as_string;	1734	'""' => \&as_string,
		1735	fallback => 1;
1107		1736
1108	our $MAX_RESET = 3600;	1737	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1738	our $DEFAULT_RESET = 3000;
1110		1739
1111	sub generate_random_map {	1740	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1741	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1742	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1743	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1744	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1745	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1746	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1753	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1754	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1755	)
1128	}	1756	}
1129		1757
		1758	=item cf::map->register ($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
1130	sub register {	1766	sub register {
1131	my (undef, $regex) = @_;	1767	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1768	my $pkg = caller;
1133		1769
1134	no strict;	1770	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1771	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1772
1137	$EXT_MAP{$pkg} = qr<$regex>;	1773	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1774	}
1139		1775
1140	# also paths starting with '/'	1776	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1777	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1778
		1779	sub thawer_merge {
		1780	my ($self, $merge) = @_;
		1781
		1782	# we have to keep some variables in memory intact
		1783	local $self->{path};
		1784	local $self->{load_path};
		1785
		1786	$self->SUPER::thawer_merge ($merge);
		1787	}
1142		1788
1143	sub normalise {	1789	sub normalise {
1144	my ($path, $base) = @_;	1790	my ($path, $base) = @_;
		1791
		1792	$path = "$path"; # make sure its a string
		1793
		1794	$path =~ s/\.map$//;
1145		1795
1146	# map plan:	1796	# map plan:
1147	#	1797	#
1148	# /! non-realised random map exit (special hack!)	1798	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1799	# {... are special paths that are not being touched
…		…
1177		1827
1178	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
1179		1829
1180	$path = normalise $path, $base;	1830	$path = normalise $path, $base;
1181		1831
1182	for my $pkg (keys %EXT_MAP) {	1832	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1833	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1834	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1835	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1836	$self->init; # pass $1 etc.
1187	return $self;	1837	return $self;
1188	}	1838	}
1189	}	1839	}
1190		1840
1191	Carp::carp "unable to resolve path '$path'.";	1841	Carp::cluck "unable to resolve path '$path' (base '$base').";
1192	()	1842	()
1193	}	1843	}
1194		1844
1195	sub init {	1845	sub init {
1196	my ($self) = @_;	1846	my ($self) = @_;
…		…
1211		1861
1212	# the original (read-only) location	1862	# the original (read-only) location
1213	sub load_path {	1863	sub load_path {
1214	my ($self) = @_;	1864	my ($self) = @_;
1215		1865
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1866	"$MAPDIR/$self->{path}.map"
1217	}	1867	}
1218		1868
1219	# the temporary/swap location	1869	# the temporary/swap location
1220	sub save_path {	1870	sub save_path {
1221	my ($self) = @_;	1871	my ($self) = @_;
1222		1872
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1874	"$TMPDIR/$path.map"
1225	}	1875	}
1226		1876
1227	# the unique path, undef == no special unique path	1877	# the unique path, undef == no special unique path
1228	sub uniq_path {	1878	sub uniq_path {
1229	my ($self) = @_;	1879	my ($self) = @_;
1230		1880
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1882	"$UNIQUEDIR/$path"
1233	}	1883	}
1234		1884
1235	# and all this just because we cannot iterate over	1885	# and all this just because we cannot iterate over
1236	# all maps in C++...	1886	# all maps in C++...
1237	sub change_all_map_light {	1887	sub change_all_map_light {
…		…
1239		1889
1240	$_->change_map_light ($change)	1890	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1891	for grep $_->outdoor, values %cf::MAP;
1242	}	1892	}
1243		1893
		1894	sub decay_objects {
		1895	my ($self) = @_;
		1896
		1897	return if $self->{deny_reset};
		1898
		1899	$self->do_decay_objects;
		1900	}
		1901
1244	sub unlink_save {	1902	sub unlink_save {
1245	my ($self) = @_;	1903	my ($self) = @_;
1246		1904
1247	utf8::encode (my $save = $self->save_path);	1905	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1906	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1907	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1908	}
1251		1909
1252	sub load_header_from($) {	1910	sub load_header_from($) {
1253	my ($self, $path) = @_;	1911	my ($self, $path) = @_;
1254		1912
1255	utf8::encode $path;	1913	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1257	or return;	1915	or return;
1258		1916
1259	$self->_load_header ($path)	1917	$self->_load_header ($f)
1260	or return;	1918	or return;
1261		1919
		1920	local $MAP_LOADING{$self->{path}} = $self;
		1921	$f->resolve_delayed_derefs;
		1922
1262	$self->{load_path} = $path;	1923	$self->{load_path} = $path;
1263		1924
1264	1	1925	1
1265	}	1926	}
1266		1927
1267	sub load_orig {	1928	sub load_header_orig {
1268	my ($self) = @_;	1929	my ($self) = @_;
1269		1930
1270	$self->load_header_from ($self->load_path)	1931	$self->load_header_from ($self->load_path)
1271	}	1932	}
1272		1933
1273	sub load_temp {	1934	sub load_header_temp {
1274	my ($self) = @_;	1935	my ($self) = @_;
1275		1936
1276	$self->load_header_from ($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	$self->instantiate;
1277	}	1957	}
1278		1958
1279	sub load_header {	1959	sub load_header {
1280	my ($self) = @_;	1960	my ($self) = @_;
1281		1961
1282	if ($self->load_temp) {	1962	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1963	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1964	} else {
1289	$self->load_orig	1965	$self->load_header_orig
1290	or return;	1966	or return;
1291		1967	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	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 $self->default_region;
1297		1975
1298	1	1976	1
1299	}	1977	}
1300		1978
1301	sub find;	1979	sub find;
1302	sub find {	1980	sub find {
1303	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1304		1982
1305	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1306		1984
		1985	cf::lock_wait "map_data:$path";#d#remove
1307	cf::lock_wait "map_find:$path";	1986	cf::lock_wait "map_find:$path";
1308		1987
1309	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1310	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
1311	my $map = new_from_path cf::map $path	1992	my $map = new_from_path cf::map $path
1312	or return;	1993	or return;
1313		1994
1314	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1315		1996
1316	$map->load_header	1997	$map->load_header
1317	or return;	1998	or return;
1318		1999
1319	if ($map->should_reset) {	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2001	# doing this can freeze the server in a sync job, obviously
		2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard1;
		2004	undef $guard2;
1320	$map->reset;	2005	$map->reset;
1321	undef $guard;
1322	$map = find $path	2006	return find $path;
1323	or return;
1324	}	2007	}
1325		2008
1326	$cf::MAP{$path} = $map	2009	$cf::MAP{$path} = $map
1327	}	2010	}
1328	}	2011	}
		2012
		2013	sub pre_load { }
		2014	sub post_load { }
1329		2015
1330	sub load {	2016	sub load {
1331	my ($self) = @_;	2017	my ($self) = @_;
1332		2018
		2019	local $self->{deny_reset} = 1; # loading can take a long time
		2020
1333	my $path = $self->{path};	2021	my $path = $self->{path};
		2022
		2023	{
1334	my $guard = cf::lock_acquire "map_load:$path";	2024	my $guard = cf::lock_acquire "map_data:$path";
1335		2025
		2026	return unless $self->valid;
1336	return if $self->in_memory != cf::MAP_SWAPPED;	2027	return unless $self->in_memory == cf::MAP_SWAPPED;
1337		2028
1338	$self->in_memory (cf::MAP_LOADING);	2029	$self->in_memory (cf::MAP_LOADING);
1339		2030
1340	$self->alloc;	2031	$self->alloc;
1341	$self->_load_objects ($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)
1342	or return;	2039	or return;
1343		2040
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1345	if delete $self->{load_original};	2042	if delete $self->{load_original};
1346		2043
1347	if (my $uniq = $self->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;	2045	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {	2046	unless (aio_stat $uniq) {
		2047	if (my $f = new_from_file cf::object::thawer $uniq) {
1350	$self->clear_unique_items;	2048	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);	2049	$self->_load_objects ($f);
		2050	$f->resolve_delayed_derefs;
		2051	}
1352	}	2052	}
1353	}	2053	}
1354		2054
1355	Coro::cede;	2055	$f->resolve_delayed_derefs;
1356		2056
		2057	cf::cede_to_tick;
1357	# now do the right thing for maps	2058	# now do the right thing for maps
1358	$self->link_multipart_objects;	2059	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;
1365	$self->set_darkness_map;
1366	$self->difficulty ($self->estimate_difficulty)	2060	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	2061	unless $self->difficulty;
1368	Coro::cede;	2062	cf::cede_to_tick;
		2063
		2064	unless ($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;
1369	$self->activate;	2071	$self->activate;
1370	}	2072	}
1371		2073
		2074	$self->{last_save} = $cf::RUNTIME;
		2075	$self->last_access ($cf::RUNTIME);
		2076
1372	$self->in_memory (cf::MAP_IN_MEMORY);	2077	$self->in_memory (cf::MAP_IN_MEMORY);
		2078	}
		2079
		2080	$self->post_load;
1373	}	2081	}
1374		2082
1375	sub customise_for {	2083	sub customise_for {
1376	my ($self, $ob) = @_;	2084	my ($self, $ob) = @_;
1377		2085
1378	return find "~" . $ob->name . "/" . $self->{path}	2086	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	2087	if $self->per_player;
1380		2088
		2089	# return find "?party/" . $ob->name . "/" . $self->{path}
		2090	# if $self->per_party;
		2091
1381	$self	2092	$self
1382	}	2093	}
1383		2094
1384	# find and load all maps in the 3x3 area around a map	2095	# find and load all maps in the 3x3 area around a map
1385	sub load_diag {	2096	sub load_neighbours {
1386	my ($map) = @_;	2097	my ($map) = @_;
1387		2098
1388	my @diag; # diagonal neighbours	2099	my @neigh; # diagonal neighbours
1389		2100
1390	for (0 .. 3) {	2101	for (0 .. 3) {
1391	my $neigh = $map->tile_path ($_)	2102	my $neigh = $map->tile_path ($_)
1392	or next;	2103	or next;
1393	$neigh = find $neigh, $map	2104	$neigh = find $neigh, $map
1394	or next;	2105	or next;
1395	$neigh->load;	2106	$neigh->load;
1396		2107
		2108	push @neigh,
1397	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2109	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1398	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2110	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1399	}	2111	}
1400		2112
1401	for (@diag) {	2113	for (grep defined $_->[0], @neigh) {
		2114	my ($path, $origin) = @$_;
1402	my $neigh = find @$_	2115	my $neigh = find $path, $origin
1403	or next;	2116	or next;
1404	$neigh->load;	2117	$neigh->load;
1405	}	2118	}
1406	}	2119	}
1407		2120
…		…
1412	}	2125	}
1413		2126
1414	sub do_load_sync {	2127	sub do_load_sync {
1415	my ($map) = @_;	2128	my ($map) = @_;
1416		2129
		2130	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2131	if $Coro::current == $Coro::main;
		2132
1417	cf::sync_job { $map->load };	2133	cf::sync_job { $map->load };
1418	}	2134	}
1419		2135
1420	our %MAP_PREFETCH;	2136	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	2137	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		2138
1434	sub find_async {	2139	sub find_async {
1435	my ($path, $origin) = @_;	2140	my ($path, $origin, $load) = @_;
1436		2141
1437	$path = normalise $path, $origin && $origin->{path};	2142	$path = normalise $path, $origin && $origin->{path};
1438		2143
1439	if (my $map = $cf::MAP{$path}) {	2144	if (my $map = $cf::MAP{$path}) {
1440	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;
1441	}	2163	};
1442
1443	$MAP_PREFETCH{$path} = 0;
1444	$MAP_PREFETCHER->ready;	2164	$MAP_PREFETCHER->prio (6);
1445		2165
1446	()	2166	()
1447	}	2167	}
1448		2168
1449	sub save {	2169	sub save {
1450	my ($self) = @_;	2170	my ($self) = @_;
1451		2171
1452	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1453		2173
1454	$self->{last_save} = $cf::RUNTIME;	2174	$self->{last_save} = $cf::RUNTIME;
1455		2175
1456	return unless $self->dirty;	2176	return unless $self->dirty;
1457		2177
…		…
1463	return if $self->{deny_save};	2183	return if $self->{deny_save};
1464		2184
1465	local $self->{last_access} = $self->last_access;#d#	2185	local $self->{last_access} = $self->last_access;#d#
1466		2186
1467	cf::async {	2187	cf::async {
		2188	$Coro::current->{desc} = "map player save";
1468	$_->contr->save for $self->players;	2189	$_->contr->save for $self->players;
1469	};	2190	};
1470		2191
1471	if ($uniq) {	2192	if ($uniq) {
1472	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1480	my ($self) = @_;	2201	my ($self) = @_;
1481		2202
1482	# save first because save cedes	2203	# save first because save cedes
1483	$self->save;	2204	$self->save;
1484		2205
1485	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1486		2207
1487	return if $self->players;	2208	return if $self->players;
1488	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_IN_MEMORY;
1489	return if $self->{deny_save};	2210	return if $self->{deny_save};
1490		2211
		2212	$self->in_memory (cf::MAP_SWAPPED);
		2213
		2214	$self->deactivate;
		2215	$_->clear_links_to ($self) for values %cf::MAP;
1491	$self->clear;	2216	$self->clear;
1492	$self->in_memory (cf::MAP_SWAPPED);
1493	}	2217	}
1494		2218
1495	sub reset_at {	2219	sub reset_at {
1496	my ($self) = @_;	2220	my ($self) = @_;
1497		2221
1498	# TODO: safety, remove and allow resettable per-player maps	2222	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	2223	return 1e99 if $self->{deny_reset};
1501		2224
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2225	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2226	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		2227
…		…
1509	my ($self) = @_;	2232	my ($self) = @_;
1510		2233
1511	$self->reset_at <= $cf::RUNTIME	2234	$self->reset_at <= $cf::RUNTIME
1512	}	2235	}
1513		2236
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	2237	sub reset {
1529	my ($self) = @_;	2238	my ($self) = @_;
1530		2239
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2241
1533	return if $self->players;	2242	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2243
1536	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	}
1537		2255
1538	delete $cf::MAP{$self->path};	2256	delete $cf::MAP{$self->path};
1539		2257
1540	$self->in_memory (cf::MAP_SWAPPED);	2258	$self->deactivate;
		2259	$_->clear_links_to ($self) for values %cf::MAP;
1541	$self->clear;	2260	$self->clear;
1542
1543	$_->clear_links_to ($self) for values %cf::MAP;
1544		2261
1545	$self->unlink_save;	2262	$self->unlink_save;
1546	$self->destroy;	2263	$self->destroy;
1547	}	2264	}
1548		2265
1549	my $nuke_counter = "aaaa";	2266	my $nuke_counter = "aaaa";
1550		2267
1551	sub nuke {	2268	sub nuke {
1552	my ($self) = @_;	2269	my ($self) = @_;
1553		2270
		2271	{
		2272	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2273
		2274	delete $cf::MAP{$self->path};
		2275
		2276	$self->unlink_save;
		2277
		2278	bless $self, "cf::map";
		2279	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	2280	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2281	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2282	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2283
		2284	$cf::MAP{$self->path} = $self;
		2285	}
		2286
1557	$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	]
1558	}	2324	}
1559		2325
1560	=item cf::map::unique_maps	2326	=item cf::map::unique_maps
1561		2327
1562	Returns an arrayref of paths of all shared maps that have	2328	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2329	instantiated unique items. May block.
1564		2330
1565	=cut	2331	=cut
1566		2332
1567	sub unique_maps() {	2333	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2334	[
1569	or return;	2335	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2336	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	2337	/\.map$/
1579	push @paths, $_;	2338	? normalise $_
		2339	: ()
		2340	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2341	]
1581
1582	\@paths
1583	}	2342	}
1584		2343
1585	package cf;	2344	package cf;
1586		2345
1587	=back	2346	=back
…		…
1605	map { $_, inv_recursive_ $_->inv } @_	2364	map { $_, inv_recursive_ $_->inv } @_
1606	}	2365	}
1607		2366
1608	sub inv_recursive {	2367	sub inv_recursive {
1609	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	}
1610	}	2397	}
1611		2398
1612	package cf;	2399	package cf;
1613		2400
1614	=back	2401	=back
…		…
1633		2420
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2421	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2422
1636	if ($self->{record_replies}) {	2423	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2424	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2425
1638	} 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 {
1639	$msg = $npc->name . " says: $msg" if $npc;	2434	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2435	$self->message ($msg, $flags);
		2436	}
1641	}	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 (@_);
1642	}	2448	}
1643		2449
1644	=item $player_object->may ("access")	2450	=item $player_object->may ("access")
1645		2451
1646	Returns wether the given player is authorized to access resource "access"	2452	Returns wether the given player is authorized to access resource "access"
…		…
1678	=cut	2484	=cut
1679		2485
1680	sub link_map {	2486	sub link_map {
1681	unless ($LINK_MAP) {	2487	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2488	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2489	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2490	$LINK_MAP->load;
1685	}	2491	}
1686		2492
1687	$LINK_MAP	2493	$LINK_MAP
1688	}	2494	}
…		…
1693	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1694		2500
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2502
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1699		2505
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2507	}
1702		2508
1703	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1705		2513
1706	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1707		2515
1708	unless ($map) {	2516	unless ($map) {
1709	# restore original map position	2517	# restore original map position
…		…
1723	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1724	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1725	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1726		2534
1727	$map->load;	2535	$map->load;
1728	$map->load_diag;	2536	$map->load_neighbours;
1729		2537
1730	return unless $self->contr->active;	2538	return unless $self->contr->active;
1731	$self->activate_recursive;	2539	$self->activate_recursive;
		2540
		2541	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2542	$self->enter_map ($map, $x, $y);
1733	}	2543	}
1734		2544
1735	cf::player->attach (	2545	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1736	on_logout => sub {
1737	my ($pl) = @_;
1738		2546
1739	# abort map switching before logout	2547	Moves the player to the given map-path and coordinates by first freezing
1740	if ($pl->ob->{_link_pos}) {	2548	her, loading and preparing them map, calling the provided $check callback
1741	cf::sync_job {	2549	that has to return the map if sucecssful, and then unfreezes the player on
1742	$pl->ob->leave_link	2550	the new (success) or old (failed) map position. In either case, $done will
1743	};	2551	be called at the end of this process.
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2552
1749	# try to abort aborted map switching on player login :)
1750	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766
1767	=item $player_object->goto ($path, $x, $y)
1768
1769	=cut	2553	=cut
		2554
		2555	our $GOTOGEN;
1770		2556
1771	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1772	my ($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;
1773		2562
1774	$self->enter_link;	2563	$self->enter_link;
1775		2564
1776	(async {	2565	(async {
1777	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) {
1778	$map = $map->customise_for ($self) if $map;	2591	$map = $map->customise_for ($self);
1779		2592	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2593	} else {
1781	# if $map;
1782
1783	$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	}
1784		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};
1785	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
		2608	}
		2609
		2610	$done->() if $done;
1786	})->prio (1);	2611	})->prio (1);
1787	}	2612	}
1788		2613
1789	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
1790		2615
…		…
1792		2617
1793	sub parse_random_map_params {	2618	sub parse_random_map_params {
1794	my ($spec) = @_;	2619	my ($spec) = @_;
1795		2620
1796	my $rmp = { # defaults	2621	my $rmp = { # defaults
1797	xsize => 10,	2622	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2623	ysize => (cf::rndm 15, 40),
		2624	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2625	#layout => string,
1799	};	2626	};
1800		2627
1801	for (split /\n/, $spec) {	2628	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2629	my ($k, $v) = split /\s+/, $_, 2;
1803		2630
…		…
1807	$rmp	2634	$rmp
1808	}	2635	}
1809		2636
1810	sub prepare_random_map {	2637	sub prepare_random_map {
1811	my ($exit) = @_;	2638	my ($exit) = @_;
		2639
		2640	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2641
1813	# all this does is basically replace the /! path by	2642	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2643	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2644	# that depends on the exit object
1816		2645
1817	my $rmp = parse_random_map_params $exit->msg;	2646	my $rmp = parse_random_map_params $exit->msg;
1818		2647
1819	if ($exit->map) {	2648	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2649	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2650	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2651	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
1824	}	2653	}
1825		2654
1826	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
1827		2656
1828	my $data = cf::to_json $rmp;	2657	my $data = cf::encode_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
		2659	my $meta = "$RANDOMDIR/$md5.meta";
1830		2660
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
		2663	undef $fh;
		2664	aio_rename "$meta~", $meta;
1833		2665
1834	$exit->slaying ("?random/$md5");	2666	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2667	$exit->msg (undef);
1836	}	2668	}
1837	}	2669	}
…		…
1839	sub cf::object::player::enter_exit {	2671	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2672	my ($self, $exit) = @_;
1841		2673
1842	return unless $self->type == cf::PLAYER;	2674	return unless $self->type == cf::PLAYER;
1843		2675
		2676	if ($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
1844	$self->enter_link;	2687	$self->enter_link;
1845		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
1846	(async {	2693	(async {
		2694	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2695
1847	$self->deactivate_recursive; # just to be sure	2696	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2697	unless (eval {
1849	prepare_random_map $exit	2698	$self->goto ($slaying, $hp, $sp);
1850	if $exit->slaying eq "/!";
1851
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854		2699
1855	1;	2700	1;
1856	}) {	2701	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "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. "
1859	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2706
1862	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2708	$self->leave_link;
1864	}	2709	}
1865	})->prio (1);	2710	})->prio (1);
…		…
1878		2723
1879	sub cf::client::send_drawinfo {	2724	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2725	my ($self, $text, $flags) = @_;
1881		2726
1882	utf8::encode $text;	2727	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2729	}
1885		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	}
1886		2889
1887	=item $success = $client->query ($flags, "text", \&cb)	2890	=item $success = $client->query ($flags, "text", \&cb)
1888		2891
1889	Queues a query to the client, calling the given callback with	2892	Queues a query to the client, calling the given callback with
1890	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>,
1891	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>.
1892		2895
1893	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
1894	reliable at some point in the future.	2897	become reliable at some point in the future.
1895		2898
1896	=cut	2899	=cut
1897		2900
1898	sub cf::client::query {	2901	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	2902	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	2910	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2911	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		2912
1910	$self->send_packet ($self->{query_queue}[0][0])	2913	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	2914	if @{ $self->{query_queue} } == 1;
		2915
		2916	1
1912	}	2917	}
1913		2918
1914	cf::client->attach (	2919	cf::client->attach (
		2920	on_connect => sub {
		2921	my ($ns) = @_;
		2922
		2923	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2924	},
1915	on_reply => sub {	2925	on_reply => sub {
1916	my ($ns, $msg) = @_;	2926	my ($ns, $msg) = @_;
1917		2927
1918	# this weird shuffling is so that direct followup queries	2928	# this weird shuffling is so that direct followup queries
1919	# get handled first	2929	# get handled first
1920	my $queue = delete $ns->{query_queue}	2930	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2931	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2932
1923	(shift @$queue)->[1]->($msg);	2933	(shift @$queue)->[1]->($msg);
		2934	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2935
1925	push @{ $ns->{query_queue} }, @$queue;	2936	push @{ $ns->{query_queue} }, @$queue;
1926		2937
1927	if (@{ $ns->{query_queue} } == @$queue) {	2938	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2939	if (@$queue) {
…		…
1930	} else {	2941	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2942	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	2943	}
1933	}	2944	}
1934	},	2945	},
		2946	on_exticmd => sub {
		2947	my ($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	},
1935	);	2972	);
1936		2973
1937	=item $client->async (\&cb)	2974	=item $client->async (\&cb)
1938		2975
1939	Create a new coroutine, running the specified callback. The coroutine will	2976	Create a new coroutine, running the specified callback. The coroutine will
…		…
1980	our $safe = new Safe "safe";	3017	our $safe = new Safe "safe";
1981	our $safe_hole = new Safe::Hole;	3018	our $safe_hole = new Safe::Hole;
1982		3019
1983	$SIG{FPE} = 'IGNORE';	3020	$SIG{FPE} = 'IGNORE';
1984		3021
1985	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3022	$safe->permit_only (Opcode::opset qw(
		3023	:base_core :base_mem :base_orig :base_math
		3024	grepstart grepwhile mapstart mapwhile
		3025	sort time
		3026	));
1986		3027
1987	# here we export the classes and methods available to script code	3028	# here we export the classes and methods available to script code
1988		3029
1989	=pod	3030	=pod
1990		3031
1991	The following fucntions and emthods are available within a safe environment:	3032	The following functions and methods are available within a safe environment:
1992		3033
1993	cf::object contr pay_amount pay_player map	3034	cf::object
		3035	contr pay_amount pay_player map x y force_find force_add destroy
		3036	insert remove name archname title slaying race decrease_ob_nr
		3037
1994	cf::object::player player	3038	cf::object::player
1995	cf::player peaceful	3039	player
1996	cf::map trigger	3040
		3041	cf::player
		3042	peaceful
		3043
		3044	cf::map
		3045	trigger
1997		3046
1998	=cut	3047	=cut
1999		3048
2000	for (	3049	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	3050	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3051	insert remove inv name archname title slaying race
		3052	decrease_ob_nr destroy)],
2002	["cf::object::player" => qw(player)],	3053	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	3054	["cf::player" => qw(peaceful)],
2004	["cf::map" => qw(trigger)],	3055	["cf::map" => qw(trigger)],
2005	) {	3056	) {
2006	no strict 'refs';	3057	no strict 'refs';
…		…
2077	=back	3128	=back
2078		3129
2079	=cut	3130	=cut
2080		3131
2081	#############################################################################	3132	#############################################################################
		3133	# the server's init and main functions
2082		3134
2083	=head2 EXTENSION DATABASE SUPPORT	3135	sub load_facedata($) {
		3136	my ($path) = @_;
2084		3137
2085	Crossfire maintains a very simple database for extension use. It can	3138	# HACK to clear player env face cache, we need some signal framework
2086	currently store anything that can be serialised using Storable, which	3139	# for this (global event?)
2087	excludes objects.	3140	%ext::player_env::MUSIC_FACE_CACHE = ();
2088		3141
2089	The parameter C<$family> should best start with the name of the extension	3142	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2090	using it, it should be unique.
2091		3143
2092	=over 4	3144	warn "loading facedata from $path\n";
2093		3145
2094	=item $hashref = cf::db_get $family	3146	my $facedata;
		3147	0 < aio_load $path, $facedata
		3148	or die "$path: $!";
2095		3149
2096	Return a hashref for use by the extension C<$family>, which can be	3150	$facedata = Coro::Storable::thaw $facedata;
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099		3151
2100	=item $value = cf::db_get $family => $key	3152	$facedata->{version} == 2
		3153	or cf::cleanup "$path: version mismatch, cannot proceed.";
2101		3154
2102	Returns a single value from the database	3155	# patch in the exptable
2103		3156	$facedata->{resource}{"res/exp_table"} = {
2104	=item cf::db_put $family => $hashref	3157	type => FT_RSRC,
2105		3158	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108
2109	=item cf::db_put $family => $key => $value
2110
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121
2122	=cut
2123
2124	our $DB;
2125
2126	{
2127	my $path = cf::localdir . "/database.pst";
2128
2129	sub db_load() {
2130	$DB = stat $path ? Storable::retrieve $path : { };
2131	}
2132
2133	my $pid;
2134
2135	sub db_save() {
2136	waitpid $pid, 0 if $pid;
2137	if (0 == ($pid = fork)) {
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});	3159	};
		3160	cf::cede_to_tick;
2155		3161
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}	3162	{
		3163	my $faces = $facedata->{faceinfo};
2160		3164
2161	sub db_get($;$) {	3165	while (my ($face, $info) = each %$faces) {
2162	@_ >= 2	3166	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2163	? $DB->{$_[0]}{$_[1]}
2164	: ($DB->{$_[0]} ||= { })
2165	}
2166		3167
2167	sub db_put($$;$) {	3168	cf::face::set_visibility $idx, $info->{visibility};
2168	if (@_ >= 3) {	3169	cf::face::set_magicmap $idx, $info->{magicmap};
2169	$DB->{$_[0]}{$_[1]} = $_[2];	3170	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2170	} else {	3171	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175		3172
2176	cf::global->attach (	3173	cf::cede_to_tick;
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	3174	}
2181	);
2182	}
2183		3175
2184	#############################################################################	3176	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	3177	next unless $info->{smooth};
2186		3178
2187	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 {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	3321	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	3322	or return;
2190		3323
2191	local $/;	3324	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	3325	*CFG = YAML::Load <$fh>;
2193		3326
2194	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3327	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2195		3328
2196	$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};
2197	$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};
…		…
2207		3340
2208	sub main {	3341	sub main {
2209	# we must not ever block the main coroutine	3342	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	3343	local $Coro::idle = sub {
2211	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#
2212	async { Event::one_event };	3345	(async {
		3346	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3347	EV::loop EV::LOOP_ONESHOT;
		3348	})->prio (Coro::PRIO_MAX);
2213	};	3349	};
2214		3350
2215	cfg_load;	3351	reload_config;
2216	db_load;	3352	db_init;
2217	load_extensions;	3353	load_extensions;
		3354
		3355	$TICK_WATCHER->start;
		3356	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2218	Event::loop;	3357	EV::loop;
2219	}	3358	}
2220		3359
2221	#############################################################################	3360	#############################################################################
2222	# initialisation and cleanup	3361	# initialisation and cleanup
2223		3362
2224	# install some emergency cleanup handlers	3363	# install some emergency cleanup handlers
2225	BEGIN {	3364	BEGIN {
		3365	our %SIGWATCHER = ();
2226	for my $signal (qw(INT HUP TERM)) {	3366	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	3367	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2228	data => WF_AUTOCANCEL,
2229	signal => $signal,
2230	cb => sub {
2231	cf::cleanup "SIG$signal";	3368	cf::cleanup "SIG$signal";
2232	},
2233	);	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
2234	}	3408	1
2235	}	3409	}
2236		3410
2237	sub emergency_save() {	3411	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	3412	my $freeze_guard = cf::freeze_mainloop;
2239		3413
…		…
2245	# and maps saved/destroyed asynchronously.	3419	# and maps saved/destroyed asynchronously.
2246	warn "begin emergency player save\n";	3420	warn "begin emergency player save\n";
2247	for my $login (keys %cf::PLAYER) {	3421	for my $login (keys %cf::PLAYER) {
2248	my $pl = $cf::PLAYER{$login} or next;	3422	my $pl = $cf::PLAYER{$login} or next;
2249	$pl->valid or next;	3423	$pl->valid or next;
		3424	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2250	$pl->save;	3425	$pl->save;
2251	}	3426	}
2252	warn "end emergency player save\n";	3427	warn "end emergency player save\n";
2253		3428
2254	warn "begin emergency map save\n";	3429	warn "begin emergency map save\n";
…		…
2256	my $map = $cf::MAP{$path} or next;	3431	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	3432	$map->valid or next;
2258	$map->save;	3433	$map->save;
2259	}	3434	}
2260	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";
2261	};	3440	};
2262		3441
2263	warn "leave emergency perl save\n";	3442	warn "leave emergency perl save\n";
2264	}	3443	}
2265		3444
		3445	sub post_cleanup {
		3446	my ($make_core) = @_;
		3447
		3448	warn Carp::longmess "post_cleanup backtrace"
		3449	if $make_core;
		3450	}
		3451
2266	sub reload() {	3452	sub do_reload_perl() {
2267	# can/must only be called in main	3453	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	3454	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	3455	warn "can only reload from main coroutine";
2270	return;	3456	return;
2271	}	3457	}
2272		3458
2273	warn "reloading...";	3459	warn "reloading...";
2274		3460
2275	warn "freezing server";	3461	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	3462
		3463	cf::sync_job {
		3464	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	3465	cf::emergency_save;
		3466	cf::write_runtime; # external watchdog should not bark
2278		3467
2279	warn "sync database to disk";	3468	warn "syncing database to disk";
2280	cf::db_sync;	3469	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		3470
2283	eval {
2284	# 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
2285		3472
2286	warn "cancel all watchers";	3473	warn "flushing outstanding aio requests";
2287	for (Event::all_watchers) {	3474	for (;;) {
2288	$_->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...";
2289	}	3480	}
2290		3481
		3482	++$RELOAD;
		3483
2291	warn "cancel all extension coros";	3484	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	3485	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	3486	%EXT_CORO = ();
2294		3487
2295	warn "remove commands";	3488	warn "removing commands";
2296	%COMMAND = ();	3489	%COMMAND = ();
2297		3490
2298	warn "remove ext commands";	3491	warn "removing ext/exti commands";
2299	%EXTCMD = ();	3492	%EXTCMD = ();
		3493	%EXTICMD = ();
2300		3494
2301	warn "unload/nuke all extensions";	3495	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	3496	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	3497	warn "... unloading $pkg";
2304		3498
2305	if (my $cb = $pkg->can ("unload")) {	3499	if (my $cb = $pkg->can ("unload")) {
2306	eval {	3500	eval {
…		…
2311		3505
2312	warn "... nuking $pkg";	3506	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	3507	Symbol::delete_package $pkg;
2314	}	3508	}
2315		3509
2316	warn "unload all perl modules loaded from $LIBDIR";	3510	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	3511	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3512	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		3513
2320	warn "removing <$k>";	3514	warn "... unloading $k";
2321	delete $INC{$k};	3515	delete $INC{$k};
2322		3516
2323	$k =~ s/\.pm$//;	3517	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	3518	$k =~ s/\//::/g;
2325		3519
…		…
2328	}	3522	}
2329		3523
2330	Symbol::delete_package $k;	3524	Symbol::delete_package $k;
2331	}	3525	}
2332		3526
2333	warn "get rid of safe::, as good as possible";	3527	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3528	Symbol::delete_package "safe::$_"
2335	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);
2336		3530
2337	warn "unload cf.pm \"a bit\"";	3531	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3532	delete $INC{"cf.pm"};
		3533	delete $INC{"cf/pod.pm"};
2339		3534
2340	# don't, removes xs symbols, too,	3535	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3536	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3537	#Symbol::delete_package __PACKAGE__;
2343		3538
		3539	warn "unload completed, starting to reload now";
		3540
2344	warn "reloading cf.pm";	3541	warn "reloading cf.pm";
2345	require cf;	3542	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3543	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		3544
2348	warn "load config and database again";	3545	warn "loading config and database again";
2349	cf::cfg_load;	3546	cf::reload_config;
2350	cf::db_load;
2351		3547
2352	warn "load extensions";	3548	warn "loading extensions";
2353	cf::load_extensions;	3549	cf::load_extensions;
2354		3550
2355	warn "reattach attachments to objects/players";	3551	warn "reattaching attachments to objects/players";
2356	_global_reattach;	3552	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3553	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	3554	reattach $_ for values %MAP;
2359	};	3555	warn "reattaching attachments to players";
		3556	reattach $_ for values %PLAYER;
2360		3557
2361	if ($@) {	3558	warn "leaving sync_job";
		3559
		3560	1
		3561	} or do {
2362	warn $@;	3562	warn $@;
2363	warn "error while reloading, exiting.";	3563	warn "error while reloading, exiting.";
2364	exit 1;	3564	exit 1;
2365	}	3565	};
2366		3566
2367	warn "reloaded";	3567	warn "reloaded";
2368	};	3568	};
2369		3569
		3570	our $RELOAD_WATCHER; # used only during reload
		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
2370	register_command "reload" => sub {	3582	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	3583	my ($who, $arg) = @_;
2372		3584
2373	if ($who->flag (FLAG_WIZ)) {	3585	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	3586	$who->message ("reloading server.");
		3587	async {
		3588	$Coro::current->{desc} = "perl_reload";
		3589	reload_perl;
		3590	};
2377	}	3591	}
2378	};	3592	};
2379		3593
2380	unshift @INC, $LIBDIR;	3594	unshift @INC, $LIBDIR;
2381		3595
2382	$TICK_WATCHER = Event->timer (	3596	my $bug_warning = 0;
2383	reentrant => 0,
2384	prio => 0,
2385	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,
2387	cb => sub {
2388	$NOW = Event::time;
2389		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
2390	cf::server_tick; # one server iteration	3628	cf::server_tick; # one server iteration
		3629
2391	$RUNTIME += $TICK;	3630	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	3631	$NEXT_TICK = $_[0]->at;
2393		3632
2394	$WAIT_FOR_TICK->broadcast;	3633	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3634	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2396		3635	Coro::async_pool {
2397	# if we are delayed by four ticks or more, skip them all	3636	$Coro::current->{desc} = "runtime saver";
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2399
2400	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;
2402	},
2403	);
2404
2405	IO::AIO::max_poll_time $TICK * 0.2;
2406
2407	Event->io (
2408	fd => IO::AIO::poll_fileno,
2409	poll => 'r',
2410	prio => 5,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,
2417	after => 0,
2418	interval => 10,
2419	cb => sub {
2420	(Coro::unblock_sub {
2421	write_runtime	3637	write_runtime
2422	or warn "ERROR: unable to write runtime file: $!";	3638	or warn "ERROR: unable to write runtime file: $!";
2423	})->();	3639	};
2424	},	3640	}
2425	);	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;
2426		3747
2427	END { cf::emergency_save }	3748	END { cf::emergency_save }
2428		3749
2429	1	3750	1
2430		3751

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