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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 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	# load/save/clean perl data associated with a map
906		1341
907	*cf::mapsupport::on_clean = sub {	1342	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1343
920	=head2 CORE EXTENSIONS	1344	=head2 CORE EXTENSIONS
921		1345
922	Functions and methods that extend core crossfire objects.	1346	Functions and methods that extend core crossfire objects.
923		1347
…		…
929		1353
930	=head3 cf::player	1354	=head3 cf::player
931		1355
932	=over 4	1356	=over 4
933		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
934	=item cf::player::find $login	1372	=item cf::player::find $login
935		1373
936	Returns the given player object, loading it if necessary (might block).	1374	Returns the given player object, loading it if necessary (might block).
937		1375
938	=cut	1376	=cut
939		1377
940	sub playerdir($) {	1378	sub playerdir($) {
941	cf::localdir	1379	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1380	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1381	}
947		1382
948	sub path($) {	1383	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1384	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1385
951	(playerdir $login) . "/$login.pl"	1386	(playerdir $login) . "/playerdata"
952	}	1387	}
953		1388
954	sub find_active($) {	1389	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1390	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1391	and $cf::PLAYER{$_[0]}->active
…		…
959		1394
960	sub exists($) {	1395	sub exists($) {
961	my ($login) = @_;	1396	my ($login) = @_;
962		1397
963	$cf::PLAYER{$login}	1398	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1399	or cf::sync_job { !aio_stat path $login }
965	}	1400	}
966		1401
967	sub find($) {	1402	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1403	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1404	my $login = $_[0];
970		1405
971	my $guard = cf::lock_acquire "user_find:$login";	1406	my $guard = cf::lock_acquire "user_find:$login";
972		1407
973	$cf::PLAYER{$_[0]} || do {	1408	$cf::PLAYER{$_[0]} || do {
974	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
975	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;
976	$cf::PLAYER{$login} = $pl	1423	$cf::PLAYER{$login} = $pl
977	}	1424	}
978	}	1425	}
979	}	1426	}
980		1427
…		…
990		1437
991	aio_mkdir playerdir $pl, 0770;	1438	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1439	$pl->{last_save} = $cf::RUNTIME;
993		1440
994	$pl->save_pl ($path);	1441	$pl->save_pl ($path);
995	Coro::cede;	1442	cf::cede_to_tick;
996	}	1443	}
997		1444
998	sub new($) {	1445	sub new($) {
999	my ($login) = @_;	1446	my ($login) = @_;
1000		1447
…		…
1006	$cf::PLAYER{$login} = $self;	1453	$cf::PLAYER{$login} = $self;
1007		1454
1008	$self	1455	$self
1009	}	1456	}
1010		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
1011	=item $pl->quit_character	1468	=item $pl->quit_character
1012		1469
1013	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
1014	be destroyed. May block for a long time.	1471	be destroyed. May block for a long time.
1015		1472
1016	=cut	1473	=cut
1017		1474
1018	sub quit_character {	1475	sub quit_character {
1019	my ($pl) = @_;	1476	my ($pl) = @_;
		1477
		1478	my $name = $pl->ob->name;
1020		1479
1021	$pl->{deny_save} = 1;	1480	$pl->{deny_save} = 1;
1022	$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
1023		1482
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1483	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1488	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1489	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1490	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1491	delete $cf::PLAYER{$pl->ob->name};
1033	$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
1034	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;
1035	}	1514	}
1036		1515
1037	=item cf::player::list_logins	1516	=item cf::player::list_logins
1038		1517
1039	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
1040	while and may block, so not sync_job-capable, ever.	1519	while and may block, so not sync_job-capable, ever.
1041		1520
1042	=cut	1521	=cut
1043		1522
1044	sub list_logins {	1523	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1524	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1525	or return [];
1047		1526
1048	my @logins;	1527	my @logins;
1049		1528
1050	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") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1534	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1535	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1536	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1537	}
1054		1538
1055	utf8::decode $login;	1539	utf8::decode $login;
1056	push @logins, $login;	1540	push @logins, $login;
1057	}	1541	}
1058		1542
…		…
1066		1550
1067	=cut	1551	=cut
1068		1552
1069	sub maps($) {	1553	sub maps($) {
1070	my ($pl) = @_;	1554	my ($pl) = @_;
		1555
		1556	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1557
1072	my $files = aio_readdir playerdir $pl	1558	my $files = aio_readdir playerdir $pl
1073	or return;	1559	or return;
1074		1560
1075	my @paths;	1561	my @paths;
…		…
1077	for (@$files) {	1563	for (@$files) {
1078	utf8::decode $_;	1564	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1565	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1566	next unless /^$PATH_SEP/o;
1081		1567
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1568	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1569	}
1084		1570
1085	\@paths	1571	\@paths
1086	}	1572	}
1087		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
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1667	=item $player->ext_reply ($msgid, @msg)
1089		1668
1090	Sends an ext reply to the player.	1669	Sends an ext reply to the player.
1091		1670
1092	=cut	1671	=cut
1093		1672
1094	sub ext_reply($$$%) {	1673	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1674	my ($self, $id, @msg) = @_;
1096		1675
1097	$msg{msgid} = $id;	1676	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1677	}
1101		1678
1102	package cf;	1679	=item $player->ext_msg ($type, @msg)
		1680
		1681	Sends an ext event to the client.
		1682
		1683	=cut
		1684
		1685	sub ext_msg($$@) {
		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	}
1103		1719
1104	=back	1720	=back
1105
1106		1721
1107	=head3 cf::map	1722	=head3 cf::map
1108		1723
1109	=over 4	1724	=over 4
1110		1725
…		…
1114		1729
1115	use Fcntl;	1730	use Fcntl;
1116	use Coro::AIO;	1731	use Coro::AIO;
1117		1732
1118	use overload	1733	use overload
1119	'""' => \&as_string;	1734	'""' => \&as_string,
		1735	fallback => 1;
1120		1736
1121	our $MAX_RESET = 3600;	1737	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1738	our $DEFAULT_RESET = 3000;
1123		1739
1124	sub generate_random_map {	1740	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1741	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1742	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1743	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1744	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1745	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1746	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1753	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1754	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1755	)
1141	}	1756	}
1142		1757
		1758	=item cf::map->register ($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
1143	sub register {	1766	sub register {
1144	my (undef, $regex) = @_;	1767	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1768	my $pkg = caller;
1146		1769
1147	no strict;	1770	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1771	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1772
1150	$EXT_MAP{$pkg} = qr<$regex>;	1773	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1774	}
1152		1775
1153	# also paths starting with '/'	1776	# also paths starting with '/'
1154	$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	}
1155		1788
1156	sub normalise {	1789	sub normalise {
1157	my ($path, $base) = @_;	1790	my ($path, $base) = @_;
		1791
		1792	$path = "$path"; # make sure its a string
		1793
		1794	$path =~ s/\.map$//;
1158		1795
1159	# map plan:	1796	# map plan:
1160	#	1797	#
1161	# /! non-realised random map exit (special hack!)	1798	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1799	# {... are special paths that are not being touched
…		…
1190		1827
1191	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
1192		1829
1193	$path = normalise $path, $base;	1830	$path = normalise $path, $base;
1194		1831
1195	for my $pkg (keys %EXT_MAP) {	1832	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1833	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1834	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1835	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1836	$self->init; # pass $1 etc.
1200	return $self;	1837	return $self;
1201	}	1838	}
1202	}	1839	}
1203		1840
1204	Carp::carp "unable to resolve path '$path'.";	1841	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1842	()
1206	}	1843	}
1207		1844
1208	sub init {	1845	sub init {
1209	my ($self) = @_;	1846	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1857	# the displayed name, this is a one way mapping
1221	sub visible_name {	1858	sub visible_name {
1222	&as_string	1859	&as_string
1223	}	1860	}
1224		1861
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1862	# the original (read-only) location
1233	sub load_path {	1863	sub load_path {
1234	my ($self) = @_;	1864	my ($self) = @_;
1235		1865
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1866	"$MAPDIR/$self->{path}.map"
1237	}	1867	}
1238		1868
1239	# the temporary/swap location	1869	# the temporary/swap location
1240	sub save_path {	1870	sub save_path {
1241	my ($self) = @_;	1871	my ($self) = @_;
1242		1872
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1874	"$TMPDIR/$path.map"
1244	}	1875	}
1245		1876
1246	# the unique path, undef == no special unique path	1877	# the unique path, undef == no special unique path
1247	sub uniq_path {	1878	sub uniq_path {
1248	my ($self) = @_;	1879	my ($self) = @_;
1249		1880
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1882	"$UNIQUEDIR/$path"
1251	}	1883	}
1252		1884
1253	# and all this just because we cannot iterate over	1885	# and all this just because we cannot iterate over
1254	# all maps in C++...	1886	# all maps in C++...
1255	sub change_all_map_light {	1887	sub change_all_map_light {
…		…
1257		1889
1258	$_->change_map_light ($change)	1890	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1891	for grep $_->outdoor, values %cf::MAP;
1260	}	1892	}
1261		1893
		1894	sub decay_objects {
		1895	my ($self) = @_;
		1896
		1897	return if $self->{deny_reset};
		1898
		1899	$self->do_decay_objects;
		1900	}
		1901
1262	sub unlink_save {	1902	sub unlink_save {
1263	my ($self) = @_;	1903	my ($self) = @_;
1264		1904
1265	utf8::encode (my $save = $self->save_path);	1905	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1906	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1907	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1908	}
1269		1909
1270	sub load_header_from($) {	1910	sub load_header_from($) {
1271	my ($self, $path) = @_;	1911	my ($self, $path) = @_;
1272		1912
1273	utf8::encode $path;	1913	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1275	or return;	1915	or return;
1276		1916
1277	$self->_load_header ($path)	1917	$self->_load_header ($f)
1278	or return;	1918	or return;
1279		1919
		1920	local $MAP_LOADING{$self->{path}} = $self;
		1921	$f->resolve_delayed_derefs;
		1922
1280	$self->{load_path} = $path;	1923	$self->{load_path} = $path;
1281		1924
1282	1	1925	1
1283	}	1926	}
1284		1927
1285	sub load_orig {	1928	sub load_header_orig {
1286	my ($self) = @_;	1929	my ($self) = @_;
1287		1930
1288	$self->load_header_from ($self->load_path)	1931	$self->load_header_from ($self->load_path)
1289	}	1932	}
1290		1933
1291	sub load_temp {	1934	sub load_header_temp {
1292	my ($self) = @_;	1935	my ($self) = @_;
1293		1936
1294	$self->load_header_from ($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	$self->instantiate;
1295	}	1957	}
1296		1958
1297	sub load_header {	1959	sub load_header {
1298	my ($self) = @_;	1960	my ($self) = @_;
1299		1961
1300	if ($self->load_temp) {	1962	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1963	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1964	} else {
1307	$self->load_orig	1965	$self->load_header_orig
1308	or return;	1966	or return;
1309		1967	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	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 $self->default_region;
1315		1975
1316	1	1976	1
1317	}	1977	}
1318		1978
1319	sub find;	1979	sub find;
1320	sub find {	1980	sub find {
1321	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1322		1982
1323	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1324		1984
		1985	cf::lock_wait "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	1986	cf::lock_wait "map_find:$path";
1326		1987
1327	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1328	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
1329	my $map = new_from_path cf::map $path	1992	my $map = new_from_path cf::map $path
1330	or return;	1993	or return;
1331		1994
1332	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1333		1996
1334	$map->load_header	1997	$map->load_header
1335	or return;	1998	or return;
1336		1999
1337	if ($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;
1338	$map->reset;	2005	$map->reset;
1339	undef $guard;
1340	$map = find $path	2006	return find $path;
1341	or return;
1342	}	2007	}
1343		2008
1344	$cf::MAP{$path} = $map	2009	$cf::MAP{$path} = $map
1345	}	2010	}
1346	}	2011	}
		2012
		2013	sub pre_load { }
		2014	sub post_load { }
1347		2015
1348	sub load {	2016	sub load {
1349	my ($self) = @_;	2017	my ($self) = @_;
1350		2018
		2019	local $self->{deny_reset} = 1; # loading can take a long time
		2020
1351	my $path = $self->{path};	2021	my $path = $self->{path};
		2022
		2023	{
1352	my $guard = cf::lock_acquire "map_load:$path";	2024	my $guard = cf::lock_acquire "map_data:$path";
1353		2025
		2026	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	2027	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		2028
1356	$self->in_memory (cf::MAP_LOADING);	2029	$self->in_memory (cf::MAP_LOADING);
1357		2030
1358	$self->alloc;	2031	$self->alloc;
1359	$self->_load_objects ($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)
1360	or return;	2039	or return;
1361		2040
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363	if delete $self->{load_original};	2042	if delete $self->{load_original};
1364		2043
1365	if (my $uniq = $self->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	2045	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	2046	unless (aio_stat $uniq) {
		2047	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	2048	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	2049	$self->_load_objects ($f);
		2050	$f->resolve_delayed_derefs;
		2051	}
1370	}	2052	}
1371	}	2053	}
1372		2054
1373	Coro::cede;	2055	$f->resolve_delayed_derefs;
1374		2056
		2057	cf::cede_to_tick;
1375	# now do the right thing for maps	2058	# now do the right thing for maps
1376	$self->link_multipart_objects;	2059	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2060	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2061	unless $self->difficulty;
1386	Coro::cede;	2062	cf::cede_to_tick;
		2063
		2064	unless ($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;
1387	$self->activate;	2071	$self->activate;
1388	}	2072	}
1389		2073
		2074	$self->{last_save} = $cf::RUNTIME;
		2075	$self->last_access ($cf::RUNTIME);
		2076
1390	$self->in_memory (cf::MAP_IN_MEMORY);	2077	$self->in_memory (cf::MAP_IN_MEMORY);
		2078	}
		2079
		2080	$self->post_load;
1391	}	2081	}
1392		2082
1393	sub customise_for {	2083	sub customise_for {
1394	my ($self, $ob) = @_;	2084	my ($self, $ob) = @_;
1395		2085
1396	return find "~" . $ob->name . "/" . $self->{path}	2086	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2087	if $self->per_player;
1398		2088
		2089	# return find "?party/" . $ob->name . "/" . $self->{path}
		2090	# if $self->per_party;
		2091
1399	$self	2092	$self
1400	}	2093	}
1401		2094
1402	# find and load all maps in the 3x3 area around a map	2095	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	2096	sub load_neighbours {
1404	my ($map) = @_;	2097	my ($map) = @_;
1405		2098
1406	my @diag; # diagonal neighbours	2099	my @neigh; # diagonal neighbours
1407		2100
1408	for (0 .. 3) {	2101	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	2102	my $neigh = $map->tile_path ($_)
1410	or next;	2103	or next;
1411	$neigh = find $neigh, $map	2104	$neigh = find $neigh, $map
1412	or next;	2105	or next;
1413	$neigh->load;	2106	$neigh->load;
1414		2107
		2108	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2109	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2110	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2111	}
1418		2112
1419	for (@diag) {	2113	for (grep defined $_->[0], @neigh) {
		2114	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2115	my $neigh = find $path, $origin
1421	or next;	2116	or next;
1422	$neigh->load;	2117	$neigh->load;
1423	}	2118	}
1424	}	2119	}
1425		2120
…		…
1430	}	2125	}
1431		2126
1432	sub do_load_sync {	2127	sub do_load_sync {
1433	my ($map) = @_;	2128	my ($map) = @_;
1434		2129
		2130	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2131	if $Coro::current == $Coro::main;
		2132
1435	cf::sync_job { $map->load };	2133	cf::sync_job { $map->load };
1436	}	2134	}
1437		2135
1438	our %MAP_PREFETCH;	2136	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2137	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		2138
1452	sub find_async {	2139	sub find_async {
1453	my ($path, $origin) = @_;	2140	my ($path, $origin, $load) = @_;
1454		2141
1455	$path = normalise $path, $origin && $origin->{path};	2142	$path = normalise $path, $origin && $origin->{path};
1456		2143
1457	if (my $map = $cf::MAP{$path}) {	2144	if (my $map = $cf::MAP{$path}) {
1458	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;
1459	}	2163	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2164	$MAP_PREFETCHER->prio (6);
1463		2165
1464	()	2166	()
1465	}	2167	}
1466		2168
1467	sub save {	2169	sub save {
1468	my ($self) = @_;	2170	my ($self) = @_;
1469		2171
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2173
1472	$self->{last_save} = $cf::RUNTIME;	2174	$self->{last_save} = $cf::RUNTIME;
1473		2175
1474	return unless $self->dirty;	2176	return unless $self->dirty;
1475		2177
…		…
1481	return if $self->{deny_save};	2183	return if $self->{deny_save};
1482		2184
1483	local $self->{last_access} = $self->last_access;#d#	2185	local $self->{last_access} = $self->last_access;#d#
1484		2186
1485	cf::async {	2187	cf::async {
		2188	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2189	$_->contr->save for $self->players;
1487	};	2190	};
1488		2191
1489	if ($uniq) {	2192	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1498	my ($self) = @_;	2201	my ($self) = @_;
1499		2202
1500	# save first because save cedes	2203	# save first because save cedes
1501	$self->save;	2204	$self->save;
1502		2205
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2207
1505	return if $self->players;	2208	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_IN_MEMORY;
1507	return if $self->{deny_save};	2210	return if $self->{deny_save};
1508		2211
		2212	$self->in_memory (cf::MAP_SWAPPED);
		2213
		2214	$self->deactivate;
		2215	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2216	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2217	}
1512		2218
1513	sub reset_at {	2219	sub reset_at {
1514	my ($self) = @_;	2220	my ($self) = @_;
1515		2221
1516	# TODO: safety, remove and allow resettable per-player maps	2222	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2223	return 1e99 if $self->{deny_reset};
1519		2224
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2225	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2226	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2227
…		…
1527	my ($self) = @_;	2232	my ($self) = @_;
1528		2233
1529	$self->reset_at <= $cf::RUNTIME	2234	$self->reset_at <= $cf::RUNTIME
1530	}	2235	}
1531		2236
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2237	sub reset {
1547	my ($self) = @_;	2238	my ($self) = @_;
1548		2239
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2241
1551	return if $self->players;	2242	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2243
1554	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	}
1555		2255
1556	delete $cf::MAP{$self->path};	2256	delete $cf::MAP{$self->path};
1557		2257
		2258	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2259	$_->clear_links_to ($self) for values %cf::MAP;
		2260	$self->clear;
1559		2261
1560	$self->unlink_save;	2262	$self->unlink_save;
1561	$self->destroy;	2263	$self->destroy;
1562	}	2264	}
1563		2265
1564	my $nuke_counter = "aaaa";	2266	my $nuke_counter = "aaaa";
1565		2267
1566	sub nuke {	2268	sub nuke {
1567	my ($self) = @_;	2269	my ($self) = @_;
1568		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};
1569	$self->{deny_save} = 1;	2280	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2281	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2282	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2283
		2284	$cf::MAP{$self->path} = $self;
		2285	}
		2286
1572	$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	]
1573	}	2324	}
1574		2325
1575	=item cf::map::unique_maps	2326	=item cf::map::unique_maps
1576		2327
1577	Returns an arrayref of paths of all shared maps that have	2328	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2329	instantiated unique items. May block.
1579		2330
1580	=cut	2331	=cut
1581		2332
1582	sub unique_maps() {	2333	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2334	[
1584	or return;	2335	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2336	utf8::decode $_;
1590	next if /\.pst$/;	2337	/\.map$/
1591	next unless /^$PATH_SEP/o;	2338	? normalise $_
1592		2339	: ()
1593	push @paths, $_;	2340	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2341	]
1595
1596	\@paths
1597	}	2342	}
1598		2343
1599	package cf;	2344	package cf;
1600		2345
1601	=back	2346	=back
…		…
1619	map { $_, inv_recursive_ $_->inv } @_	2364	map { $_, inv_recursive_ $_->inv } @_
1620	}	2365	}
1621		2366
1622	sub inv_recursive {	2367	sub inv_recursive {
1623	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	}
1624	}	2397	}
1625		2398
1626	package cf;	2399	package cf;
1627		2400
1628	=back	2401	=back
…		…
1647		2420
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2421	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2422
1650	if ($self->{record_replies}) {	2423	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2424	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2425
1652	} 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 {
1653	$msg = $npc->name . " says: $msg" if $npc;	2434	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2435	$self->message ($msg, $flags);
		2436	}
1655	}	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 (@_);
1656	}	2448	}
1657		2449
1658	=item $player_object->may ("access")	2450	=item $player_object->may ("access")
1659		2451
1660	Returns wether the given player is authorized to access resource "access"	2452	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2484	=cut
1693		2485
1694	sub link_map {	2486	sub link_map {
1695	unless ($LINK_MAP) {	2487	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2488	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2489	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2490	$LINK_MAP->load;
1699	}	2491	}
1700		2492
1701	$LINK_MAP	2493	$LINK_MAP
1702	}	2494	}
…		…
1707	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1708		2500
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2502
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1713		2505
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2507	}
1716		2508
1717	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1719		2513
1720	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1721		2515
1722	unless ($map) {	2516	unless ($map) {
1723	# restore original map position	2517	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1740		2534
1741	$map->load;	2535	$map->load;
1742	$map->load_diag;	2536	$map->load_neighbours;
1743		2537
1744	return unless $self->contr->active;	2538	return unless $self->contr->active;
1745	$self->activate_recursive;	2539	$self->activate_recursive;
		2540
		2541	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2542	$self->enter_map ($map, $x, $y);
1747	}	2543	}
1748		2544
1749	cf::player->attach (	2545	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2546
1753	# abort map switching before logout	2547	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2548	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2549	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2550	the new (success) or old (failed) map position. In either case, $done will
1757	};	2551	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2552
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2553	=cut
		2554
		2555	our $GOTOGEN;
1784		2556
1785	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1786	my ($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;
1787		2562
1788	$self->enter_link;	2563	$self->enter_link;
1789		2564
1790	(async {	2565	(async {
1791	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) {
1792	$map = $map->customise_for ($self) if $map;	2591	$map = $map->customise_for ($self);
1793		2592	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2593	} else {
1795	# if $map;
1796
1797	$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	}
1798		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};
1799	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
		2608	}
		2609
		2610	$done->() if $done;
1800	})->prio (1);	2611	})->prio (1);
1801	}	2612	}
1802		2613
1803	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
1804		2615
…		…
1806		2617
1807	sub parse_random_map_params {	2618	sub parse_random_map_params {
1808	my ($spec) = @_;	2619	my ($spec) = @_;
1809		2620
1810	my $rmp = { # defaults	2621	my $rmp = { # defaults
1811	xsize => 10,	2622	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2623	ysize => (cf::rndm 15, 40),
		2624	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2625	#layout => string,
1813	};	2626	};
1814		2627
1815	for (split /\n/, $spec) {	2628	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2629	my ($k, $v) = split /\s+/, $_, 2;
1817		2630
…		…
1821	$rmp	2634	$rmp
1822	}	2635	}
1823		2636
1824	sub prepare_random_map {	2637	sub prepare_random_map {
1825	my ($exit) = @_;	2638	my ($exit) = @_;
		2639
		2640	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2641
1827	# all this does is basically replace the /! path by	2642	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2643	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2644	# that depends on the exit object
1830		2645
1831	my $rmp = parse_random_map_params $exit->msg;	2646	my $rmp = parse_random_map_params $exit->msg;
1832		2647
1833	if ($exit->map) {	2648	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2649	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2650	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2651	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
1838	}	2653	}
1839		2654
1840	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
1841		2656
1842	my $data = cf::to_json $rmp;	2657	my $data = cf::encode_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
		2659	my $meta = "$RANDOMDIR/$md5.meta";
1844		2660
1845	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) {
1846	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;
1847		2665
1848	$exit->slaying ("?random/$md5");	2666	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2667	$exit->msg (undef);
1850	}	2668	}
1851	}	2669	}
…		…
1853	sub cf::object::player::enter_exit {	2671	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2672	my ($self, $exit) = @_;
1855		2673
1856	return unless $self->type == cf::PLAYER;	2674	return unless $self->type == cf::PLAYER;
1857		2675
		2676	if ($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
1858	$self->enter_link;	2687	$self->enter_link;
1859		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
1860	(async {	2693	(async {
		2694	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2695
1861	$self->deactivate_recursive; # just to be sure	2696	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2697	unless (eval {
1863	prepare_random_map $exit	2698	$self->goto ($slaying, $hp, $sp);
1864	if $exit->slaying eq "/!";
1865
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868		2699
1869	1;	2700	1;
1870	}) {	2701	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "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. "
1873	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2706
1876	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2708	$self->leave_link;
1878	}	2709	}
1879	})->prio (1);	2710	})->prio (1);
…		…
1892		2723
1893	sub cf::client::send_drawinfo {	2724	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2725	my ($self, $text, $flags) = @_;
1895		2726
1896	utf8::encode $text;	2727	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2729	}
1899		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	}
1900		2889
1901	=item $success = $client->query ($flags, "text", \&cb)	2890	=item $success = $client->query ($flags, "text", \&cb)
1902		2891
1903	Queues a query to the client, calling the given callback with	2892	Queues a query to the client, calling the given callback with
1904	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>,
1905	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>.
1906		2895
1907	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
1908	reliable at some point in the future.	2897	become reliable at some point in the future.
1909		2898
1910	=cut	2899	=cut
1911		2900
1912	sub cf::client::query {	2901	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2902	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2910	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2911	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2912
1924	$self->send_packet ($self->{query_queue}[0][0])	2913	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2914	if @{ $self->{query_queue} } == 1;
		2915
		2916	1
1926	}	2917	}
1927		2918
1928	cf::client->attach (	2919	cf::client->attach (
		2920	on_connect => sub {
		2921	my ($ns) = @_;
		2922
		2923	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2924	},
1929	on_reply => sub {	2925	on_reply => sub {
1930	my ($ns, $msg) = @_;	2926	my ($ns, $msg) = @_;
1931		2927
1932	# this weird shuffling is so that direct followup queries	2928	# this weird shuffling is so that direct followup queries
1933	# get handled first	2929	# get handled first
1934	my $queue = delete $ns->{query_queue}	2930	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2931	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2932
1937	(shift @$queue)->[1]->($msg);	2933	(shift @$queue)->[1]->($msg);
		2934	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2935
1939	push @{ $ns->{query_queue} }, @$queue;	2936	push @{ $ns->{query_queue} }, @$queue;
1940		2937
1941	if (@{ $ns->{query_queue} } == @$queue) {	2938	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2939	if (@$queue) {
…		…
1944	} else {	2941	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2942	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2943	}
1947	}	2944	}
1948	},	2945	},
		2946	on_exticmd => sub {
		2947	my ($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	},
1949	);	2972	);
1950		2973
1951	=item $client->async (\&cb)	2974	=item $client->async (\&cb)
1952		2975
1953	Create a new coroutine, running the specified callback. The coroutine will	2976	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	3017	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	3018	our $safe_hole = new Safe::Hole;
1996		3019
1997	$SIG{FPE} = 'IGNORE';	3020	$SIG{FPE} = 'IGNORE';
1998		3021
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3022	$safe->permit_only (Opcode::opset qw(
		3023	:base_core :base_mem :base_orig :base_math
		3024	grepstart grepwhile mapstart mapwhile
		3025	sort time
		3026	));
2000		3027
2001	# here we export the classes and methods available to script code	3028	# here we export the classes and methods available to script code
2002		3029
2003	=pod	3030	=pod
2004		3031
2005	The following fucntions and emthods are available within a safe environment:	3032	The following functions and methods are available within a safe environment:
2006		3033
2007	cf::object contr pay_amount pay_player map	3034	cf::object
		3035	contr pay_amount pay_player map x y force_find force_add destroy
		3036	insert remove name archname title slaying race decrease_ob_nr
		3037
2008	cf::object::player player	3038	cf::object::player
2009	cf::player peaceful	3039	player
2010	cf::map trigger	3040
		3041	cf::player
		3042	peaceful
		3043
		3044	cf::map
		3045	trigger
2011		3046
2012	=cut	3047	=cut
2013		3048
2014	for (	3049	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	3050	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3051	insert remove inv name archname title slaying race
		3052	decrease_ob_nr destroy)],
2016	["cf::object::player" => qw(player)],	3053	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	3054	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	3055	["cf::map" => qw(trigger)],
2019	) {	3056	) {
2020	no strict 'refs';	3057	no strict 'refs';
…		…
2091	=back	3128	=back
2092		3129
2093	=cut	3130	=cut
2094		3131
2095	#############################################################################	3132	#############################################################################
		3133	# the server's init and main functions
2096		3134
2097	=head2 EXTENSION DATABASE SUPPORT	3135	sub load_facedata($) {
		3136	my ($path) = @_;
2098		3137
2099	Crossfire maintains a very simple database for extension use. It can	3138	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3139	# for this (global event?)
2101	excludes objects.	3140	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3141
2103	The parameter C<$family> should best start with the name of the extension	3142	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3143
2106	=over 4	3144	warn "loading facedata from $path\n";
2107		3145
2108	=item $hashref = cf::db_get $family	3146	my $facedata;
		3147	0 < aio_load $path, $facedata
		3148	or die "$path: $!";
2109		3149
2110	Return a hashref for use by the extension C<$family>, which can be	3150	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3151
2114	=item $value = cf::db_get $family => $key	3152	$facedata->{version} == 2
		3153	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3154
2116	Returns a single value from the database	3155	# patch in the exptable
2117		3156	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	3157	type => FT_RSRC,
2119		3158	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	3159	};
		3160	cf::cede_to_tick;
2169		3161
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3162	{
		3163	my $faces = $facedata->{faceinfo};
2174		3164
2175	sub db_get($;$) {	3165	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3166	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180		3167
2181	sub db_put($$;$) {	3168	cf::face::set_visibility $idx, $info->{visibility};
2182	if (@_ >= 3) {	3169	cf::face::set_magicmap $idx, $info->{magicmap};
2183	$DB->{$_[0]}{$_[1]} = $_[2];	3170	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2184	} else {	3171	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189		3172
2190	cf::global->attach (	3173	cf::cede_to_tick;
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3174	}
2195	);
2196	}
2197		3175
2198	#############################################################################	3176	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3177	next unless $info->{smooth};
2200		3178
2201	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 {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3321	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3322	or return;
2204		3323
2205	local $/;	3324	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3325	*CFG = YAML::Load <$fh>;
2207		3326
2208	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3327	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2209		3328
2210	$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};
2211	$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};
…		…
2221		3340
2222	sub main {	3341	sub main {
2223	# we must not ever block the main coroutine	3342	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3343	local $Coro::idle = sub {
2225	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#
2226	async { Event::one_event };	3345	(async {
		3346	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3347	EV::loop EV::LOOP_ONESHOT;
		3348	})->prio (Coro::PRIO_MAX);
2227	};	3349	};
2228		3350
2229	cfg_load;	3351	reload_config;
2230	db_load;	3352	db_init;
2231	load_extensions;	3353	load_extensions;
		3354
		3355	$TICK_WATCHER->start;
		3356	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2232	Event::loop;	3357	EV::loop;
2233	}	3358	}
2234		3359
2235	#############################################################################	3360	#############################################################################
2236	# initialisation and cleanup	3361	# initialisation and cleanup
2237		3362
2238	# install some emergency cleanup handlers	3363	# install some emergency cleanup handlers
2239	BEGIN {	3364	BEGIN {
		3365	our %SIGWATCHER = ();
2240	for my $signal (qw(INT HUP TERM)) {	3366	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3367	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2242	data => WF_AUTOCANCEL,
2243	signal => $signal,
2244	cb => sub {
2245	cf::cleanup "SIG$signal";	3368	cf::cleanup "SIG$signal";
2246	},
2247	);	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
2248	}	3408	1
2249	}	3409	}
2250		3410
2251	sub emergency_save() {	3411	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3412	my $freeze_guard = cf::freeze_mainloop;
2253		3413
2254	warn "enter emergency perl save\n";	3414	warn "enter emergency perl save\n";
2255		3415
2256	cf::sync_job {	3416	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3417	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3418	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3419	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3420	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3421	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3422	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3423	$pl->valid or next;
		3424	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3425	$pl->save;
2265	}	3426	}
2266	warn "end emergency player save\n";	3427	warn "end emergency player save\n";
2267		3428
2268	warn "begin emergency map save\n";	3429	warn "begin emergency map save\n";
…		…
2270	my $map = $cf::MAP{$path} or next;	3431	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3432	$map->valid or next;
2272	$map->save;	3433	$map->save;
2273	}	3434	}
2274	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";
2275	};	3440	};
2276		3441
2277	warn "leave emergency perl save\n";	3442	warn "leave emergency perl save\n";
2278	}	3443	}
2279		3444
		3445	sub post_cleanup {
		3446	my ($make_core) = @_;
		3447
		3448	warn Carp::longmess "post_cleanup backtrace"
		3449	if $make_core;
		3450	}
		3451
2280	sub reload() {	3452	sub do_reload_perl() {
2281	# can/must only be called in main	3453	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3454	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3455	warn "can only reload from main coroutine";
2284	return;	3456	return;
2285	}	3457	}
2286		3458
2287	warn "reloading...";	3459	warn "reloading...";
2288		3460
2289	warn "freezing server";	3461	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3462
		3463	cf::sync_job {
		3464	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	3465	cf::emergency_save;
		3466	cf::write_runtime; # external watchdog should not bark
2292		3467
2293	warn "sync database to disk";	3468	warn "syncing database to disk";
2294	cf::db_sync;	3469	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3470
2297	eval {
2298	# 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
2299		3472
2300	warn "cancel all watchers";	3473	warn "flushing outstanding aio requests";
2301	for (Event::all_watchers) {	3474	for (;;) {
2302	$_->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...";
2303	}	3480	}
2304		3481
		3482	++$RELOAD;
		3483
2305	warn "cancel all extension coros";	3484	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3485	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3486	%EXT_CORO = ();
2308		3487
2309	warn "remove commands";	3488	warn "removing commands";
2310	%COMMAND = ();	3489	%COMMAND = ();
2311		3490
2312	warn "remove ext commands";	3491	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3492	%EXTCMD = ();
		3493	%EXTICMD = ();
2314		3494
2315	warn "unload/nuke all extensions";	3495	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3496	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3497	warn "... unloading $pkg";
2318		3498
2319	if (my $cb = $pkg->can ("unload")) {	3499	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3500	eval {
…		…
2325		3505
2326	warn "... nuking $pkg";	3506	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3507	Symbol::delete_package $pkg;
2328	}	3508	}
2329		3509
2330	warn "unload all perl modules loaded from $LIBDIR";	3510	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3511	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3512	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3513
2334	warn "removing <$k>";	3514	warn "... unloading $k";
2335	delete $INC{$k};	3515	delete $INC{$k};
2336		3516
2337	$k =~ s/\.pm$//;	3517	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3518	$k =~ s/\//::/g;
2339		3519
…		…
2342	}	3522	}
2343		3523
2344	Symbol::delete_package $k;	3524	Symbol::delete_package $k;
2345	}	3525	}
2346		3526
2347	warn "get rid of safe::, as good as possible";	3527	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3528	Symbol::delete_package "safe::$_"
2349	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);
2350		3530
2351	warn "unload cf.pm \"a bit\"";	3531	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3532	delete $INC{"cf.pm"};
		3533	delete $INC{"cf/pod.pm"};
2353		3534
2354	# don't, removes xs symbols, too,	3535	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3536	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3537	#Symbol::delete_package __PACKAGE__;
2357		3538
		3539	warn "unload completed, starting to reload now";
		3540
2358	warn "reloading cf.pm";	3541	warn "reloading cf.pm";
2359	require cf;	3542	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3543	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3544
2362	warn "load config and database again";	3545	warn "loading config and database again";
2363	cf::cfg_load;	3546	cf::reload_config;
2364	cf::db_load;
2365		3547
2366	warn "load extensions";	3548	warn "loading extensions";
2367	cf::load_extensions;	3549	cf::load_extensions;
2368		3550
2369	warn "reattach attachments to objects/players";	3551	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3552	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3553	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3554	reattach $_ for values %MAP;
2373	};	3555	warn "reattaching attachments to players";
		3556	reattach $_ for values %PLAYER;
2374		3557
2375	if ($@) {	3558	warn "leaving sync_job";
		3559
		3560	1
		3561	} or do {
2376	warn $@;	3562	warn $@;
2377	warn "error while reloading, exiting.";	3563	warn "error while reloading, exiting.";
2378	exit 1;	3564	exit 1;
2379	}	3565	};
2380		3566
2381	warn "reloaded";	3567	warn "reloaded";
2382	};	3568	};
2383		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
2384	register_command "reload" => sub {	3582	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3583	my ($who, $arg) = @_;
2386		3584
2387	if ($who->flag (FLAG_WIZ)) {	3585	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3586	$who->message ("reloading server.");
		3587	async {
		3588	$Coro::current->{desc} = "perl_reload";
		3589	reload_perl;
		3590	};
2391	}	3591	}
2392	};	3592	};
2393		3593
2394	unshift @INC, $LIBDIR;	3594	unshift @INC, $LIBDIR;
2395		3595
2396	$TICK_WATCHER = Event->timer (	3596	my $bug_warning = 0;
2397	reentrant => 0,
2398	prio => 0,
2399	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,
2401	cb => sub {
2402	$NOW = Event::time;
2403		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
2404	cf::server_tick; # one server iteration	3628	cf::server_tick; # one server iteration
		3629
2405	$RUNTIME += $TICK;	3630	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	3631	$NEXT_TICK = $_[0]->at;
2407		3632
2408	$WAIT_FOR_TICK->broadcast;	3633	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3634	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2410		3635	Coro::async_pool {
2411	# if we are delayed by four ticks or more, skip them all	3636	$Coro::current->{desc} = "runtime saver";
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2413
2414	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;
2416	},
2417	);
2418
2419	IO::AIO::max_poll_time $TICK * 0.2;
2420
2421	Event->io (
2422	fd => IO::AIO::poll_fileno,
2423	poll => 'r',
2424	prio => 5,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,
2431	after => 0,
2432	interval => 10,
2433	cb => sub {
2434	(Coro::unblock_sub {
2435	write_runtime	3637	write_runtime
2436	or warn "ERROR: unable to write runtime file: $!";	3638	or warn "ERROR: unable to write runtime file: $!";
2437	})->();	3639	};
2438	},	3640	}
2439	);	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;
2440		3747
2441	END { cf::emergency_save }	3748	END { cf::emergency_save }
2442		3749
2443	1	3750	1
2444		3751

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