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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 1.411 by root, Fri Feb 1 15:54:07 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	cf::cleanup "mandatory extension failed to load, exiting.";
		1322	}
		1323
		1324	warn $msg;
		1325	}
		1326
		1327	$done{$k} = delete $todo{$k};
		1328	push @EXTS, $v->{pkg};
		1329	$progress = 1;
899	1	1330	}
900	} or warn "$ext not loaded: $@";	1331
		1332	skip:
		1333	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1334	unless $progress;
		1335	}
901	}	1336	};
902	}	1337	}
903		1338
904	#############################################################################	1339	#############################################################################
905	# load/save/clean perl data associated with a map
906		1340
907	*cf::mapsupport::on_clean = sub {	1341	=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		1342
920	=head2 CORE EXTENSIONS	1343	=head2 CORE EXTENSIONS
921		1344
922	Functions and methods that extend core crossfire objects.	1345	Functions and methods that extend core crossfire objects.
923		1346
…		…
929		1352
930	=head3 cf::player	1353	=head3 cf::player
931		1354
932	=over 4	1355	=over 4
933		1356
		1357	=item cf::player::num_playing
		1358
		1359	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1360
		1361	=cut
		1362
		1363	sub num_playing {
		1364	scalar grep
		1365	$_->ob->map
		1366	&& !$_->hidden
		1367	&& !$_->ob->flag (cf::FLAG_WIZ),
		1368	cf::player::list
		1369	}
		1370
934	=item cf::player::find $login	1371	=item cf::player::find $login
935		1372
936	Returns the given player object, loading it if necessary (might block).	1373	Returns the given player object, loading it if necessary (might block).
937		1374
938	=cut	1375	=cut
939		1376
940	sub playerdir($) {	1377	sub playerdir($) {
941	cf::localdir	1378	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1379	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1380	}
947		1381
948	sub path($) {	1382	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1383	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1384
951	(playerdir $login) . "/$login.pl"	1385	(playerdir $login) . "/playerdata"
952	}	1386	}
953		1387
954	sub find_active($) {	1388	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1389	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1390	and $cf::PLAYER{$_[0]}->active
…		…
959		1393
960	sub exists($) {	1394	sub exists($) {
961	my ($login) = @_;	1395	my ($login) = @_;
962		1396
963	$cf::PLAYER{$login}	1397	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1398	or cf::sync_job { !aio_stat path $login }
965	}	1399	}
966		1400
967	sub find($) {	1401	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1402	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1403	my $login = $_[0];
970		1404
971	my $guard = cf::lock_acquire "user_find:$login";	1405	my $guard = cf::lock_acquire "user_find:$login";
972		1406
973	$cf::PLAYER{$_[0]} || do {	1407	$cf::PLAYER{$_[0]} || do {
974	my $pl = load_pl path $login	1408	# rename old playerfiles to new ones
		1409	#TODO: remove when no longer required
		1410	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1411	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1412	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1413	aio_unlink +(playerdir $login) . "/$login.pl";
		1414
		1415	my $f = new_from_file cf::object::thawer path $login
975	or return;	1416	or return;
		1417
		1418	my $pl = cf::player::load_pl $f
		1419	or return;
		1420	local $cf::PLAYER_LOADING{$login} = $pl;
		1421	$f->resolve_delayed_derefs;
976	$cf::PLAYER{$login} = $pl	1422	$cf::PLAYER{$login} = $pl
977	}	1423	}
978	}	1424	}
979	}	1425	}
980		1426
…		…
990		1436
991	aio_mkdir playerdir $pl, 0770;	1437	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1438	$pl->{last_save} = $cf::RUNTIME;
993		1439
994	$pl->save_pl ($path);	1440	$pl->save_pl ($path);
995	Coro::cede;	1441	cf::cede_to_tick;
996	}	1442	}
997		1443
998	sub new($) {	1444	sub new($) {
999	my ($login) = @_;	1445	my ($login) = @_;
1000		1446
…		…
1006	$cf::PLAYER{$login} = $self;	1452	$cf::PLAYER{$login} = $self;
1007		1453
1008	$self	1454	$self
1009	}	1455	}
1010		1456
		1457	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1458
		1459	=cut
		1460
		1461	sub send_msg {
		1462	my $ns = shift->ns
		1463	or return;
		1464	$ns->send_msg (@_);
		1465	}
		1466
1011	=item $pl->quit_character	1467	=item $pl->quit_character
1012		1468
1013	Nukes the player without looking back. If logged in, the connection will	1469	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1470	be destroyed. May block for a long time.
1015		1471
1016	=cut	1472	=cut
1017		1473
1018	sub quit_character {	1474	sub quit_character {
1019	my ($pl) = @_;	1475	my ($pl) = @_;
		1476
		1477	my $name = $pl->ob->name;
1020		1478
1021	$pl->{deny_save} = 1;	1479	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1480	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1481
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1482	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1487	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1488	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1489	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1490	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1491	$pl->destroy;
		1492
		1493	my $prefix = qr<^~\Q$name\E/>;
		1494
		1495	# nuke player maps
		1496	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1497
1034	IO::AIO::aio_rmtree $temp;	1498	IO::AIO::aio_rmtree $temp;
		1499	}
		1500
		1501	=item $pl->kick
		1502
		1503	Kicks a player out of the game. This destroys the connection.
		1504
		1505	=cut
		1506
		1507	sub kick {
		1508	my ($pl, $kicker) = @_;
		1509
		1510	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1511	$pl->killer ("kicked");
		1512	$pl->ns->destroy;
1035	}	1513	}
1036		1514
1037	=item cf::player::list_logins	1515	=item cf::player::list_logins
1038		1516
1039	Returns am arrayref of all valid playernames in the system, can take a	1517	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1518	while and may block, so not sync_job-capable, ever.
1041		1519
1042	=cut	1520	=cut
1043		1521
1044	sub list_logins {	1522	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1523	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1524	or return [];
1047		1525
1048	my @logins;	1526	my @logins;
1049		1527
1050	for my $login (@$dirs) {	1528	for my $login (@$dirs) {
		1529	my $path = path $login;
		1530
		1531	# a .pst is a dead give-away for a valid player
		1532	unless (-e "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1533	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1534	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1535	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1536	}
1054		1537
1055	utf8::decode $login;	1538	utf8::decode $login;
1056	push @logins, $login;	1539	push @logins, $login;
1057	}	1540	}
1058		1541
…		…
1066		1549
1067	=cut	1550	=cut
1068		1551
1069	sub maps($) {	1552	sub maps($) {
1070	my ($pl) = @_;	1553	my ($pl) = @_;
		1554
		1555	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1556
1072	my $files = aio_readdir playerdir $pl	1557	my $files = aio_readdir playerdir $pl
1073	or return;	1558	or return;
1074		1559
1075	my @paths;	1560	my @paths;
…		…
1077	for (@$files) {	1562	for (@$files) {
1078	utf8::decode $_;	1563	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1564	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1565	next unless /^$PATH_SEP/o;
1081		1566
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1567	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1568	}
1084		1569
1085	\@paths	1570	\@paths
1086	}	1571	}
1087		1572
		1573	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1574
		1575	Expand crossfire pod fragments into protocol xml.
		1576
		1577	=cut
		1578
		1579	use re 'eval';
		1580
		1581	my $group;
		1582	my $interior; $interior = qr{
		1583	# match a pod interior sequence sans C<< >>
		1584	(?:
		1585	\ (.*?)\ (?{ $group = $^N })
		1586	| < (??{$interior}) >
		1587	)
		1588	}x;
		1589
		1590	sub expand_cfpod {
		1591	my ($self, $pod) = @_;
		1592
		1593	my $xml;
		1594
		1595	while () {
		1596	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1597	$group = $1;
		1598
		1599	$group =~ s/&/&amp;/g;
		1600	$group =~ s/</&lt;/g;
		1601
		1602	$xml .= $group;
		1603	} elsif ($pod =~ m%\G
		1604	([BCGHITU])
		1605	<
		1606	(?:
		1607	([^<>]*) (?{ $group = $^N })
		1608	| < $interior >
		1609	)
		1610	>
		1611	%gcsx
		1612	) {
		1613	my ($code, $data) = ($1, $group);
		1614
		1615	if ($code eq "B") {
		1616	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1617	} elsif ($code eq "I") {
		1618	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1619	} elsif ($code eq "U") {
		1620	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1621	} elsif ($code eq "C") {
		1622	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1623	} elsif ($code eq "T") {
		1624	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1625	} elsif ($code eq "G") {
		1626	my ($male, $female) = split /\|/, $data;
		1627	$data = $self->gender ? $female : $male;
		1628	$xml .= expand_cfpod ($self, $data);
		1629	} elsif ($code eq "H") {
		1630	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1631	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1632	"")
		1633	[$self->{hintmode}];
		1634	} else {
		1635	$xml .= "error processing '$code($data)' directive";
		1636	}
		1637	} else {
		1638	if ($pod =~ /\G(.+)/) {
		1639	warn "parse error while expanding $pod (at $1)";
		1640	}
		1641	last;
		1642	}
		1643	}
		1644
		1645	for ($xml) {
		1646	# create single paragraphs (very hackish)
		1647	s/(?<=\S)\n(?=\w)/ /g;
		1648
		1649	# compress some whitespace
		1650	s/\s+\n/\n/g; # ws line-ends
		1651	s/\n\n+/\n/g; # double lines
		1652	s/^\n+//; # beginning lines
		1653	s/\n+$//; # ending lines
		1654	}
		1655
		1656	$xml
		1657	}
		1658
		1659	no re 'eval';
		1660
		1661	sub hintmode {
		1662	$_[0]{hintmode} = $_[1] if @_ > 1;
		1663	$_[0]{hintmode}
		1664	}
		1665
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1666	=item $player->ext_reply ($msgid, @msg)
1089		1667
1090	Sends an ext reply to the player.	1668	Sends an ext reply to the player.
1091		1669
1092	=cut	1670	=cut
1093		1671
1094	sub ext_reply($$$%) {	1672	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1673	my ($self, $id, @msg) = @_;
1096		1674
1097	$msg{msgid} = $id;	1675	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1676	}
1101		1677
1102	package cf;	1678	=item $player->ext_msg ($type, @msg)
		1679
		1680	Sends an ext event to the client.
		1681
		1682	=cut
		1683
		1684	sub ext_msg($$@) {
		1685	my ($self, $type, @msg) = @_;
		1686
		1687	$self->ns->ext_msg ($type, @msg);
		1688	}
		1689
		1690	=head3 cf::region
		1691
		1692	=over 4
		1693
		1694	=cut
		1695
		1696	package cf::region;
		1697
		1698	=item cf::region::find_by_path $path
		1699
		1700	Tries to decuce the likely region for a map knowing only its path.
		1701
		1702	=cut
		1703
		1704	sub find_by_path($) {
		1705	my ($path) = @_;
		1706
		1707	my ($match, $specificity);
		1708
		1709	for my $region (list) {
		1710	if ($region->{match} && $path =~ $region->{match}) {
		1711	($match, $specificity) = ($region, $region->specificity)
		1712	if $region->specificity > $specificity;
		1713	}
		1714	}
		1715
		1716	$match
		1717	}
1103		1718
1104	=back	1719	=back
1105
1106		1720
1107	=head3 cf::map	1721	=head3 cf::map
1108		1722
1109	=over 4	1723	=over 4
1110		1724
…		…
1114		1728
1115	use Fcntl;	1729	use Fcntl;
1116	use Coro::AIO;	1730	use Coro::AIO;
1117		1731
1118	use overload	1732	use overload
1119	'""' => \&as_string;	1733	'""' => \&as_string,
		1734	fallback => 1;
1120		1735
1121	our $MAX_RESET = 3600;	1736	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1737	our $DEFAULT_RESET = 3000;
1123		1738
1124	sub generate_random_map {	1739	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1740	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1741	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1742	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1743	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1744	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1745	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1752	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1753	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1754	)
1141	}	1755	}
1142		1756
		1757	=item cf::map->register ($regex, $prio)
		1758
		1759	Register a handler for the map path matching the given regex at the
		1760	givne priority (higher is better, built-in handlers have priority 0, the
		1761	default).
		1762
		1763	=cut
		1764
1143	sub register {	1765	sub register {
1144	my (undef, $regex) = @_;	1766	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1767	my $pkg = caller;
1146		1768
1147	no strict;	1769	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1770	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1771
1150	$EXT_MAP{$pkg} = qr<$regex>;	1772	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1773	}
1152		1774
1153	# also paths starting with '/'	1775	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1776	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1777
		1778	sub thawer_merge {
		1779	my ($self, $merge) = @_;
		1780
		1781	# we have to keep some variables in memory intact
		1782	local $self->{path};
		1783	local $self->{load_path};
		1784
		1785	$self->SUPER::thawer_merge ($merge);
		1786	}
1155		1787
1156	sub normalise {	1788	sub normalise {
1157	my ($path, $base) = @_;	1789	my ($path, $base) = @_;
		1790
		1791	$path = "$path"; # make sure its a string
		1792
		1793	$path =~ s/\.map$//;
1158		1794
1159	# map plan:	1795	# map plan:
1160	#	1796	#
1161	# /! non-realised random map exit (special hack!)	1797	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1798	# {... are special paths that are not being touched
…		…
1190		1826
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1827	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1828
1193	$path = normalise $path, $base;	1829	$path = normalise $path, $base;
1194		1830
1195	for my $pkg (keys %EXT_MAP) {	1831	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1832	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1833	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1834	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1835	$self->init; # pass $1 etc.
1200	return $self;	1836	return $self;
1201	}	1837	}
1202	}	1838	}
1203		1839
1204	Carp::carp "unable to resolve path '$path'.";	1840	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1841	()
1206	}	1842	}
1207		1843
1208	sub init {	1844	sub init {
1209	my ($self) = @_;	1845	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1856	# the displayed name, this is a one way mapping
1221	sub visible_name {	1857	sub visible_name {
1222	&as_string	1858	&as_string
1223	}	1859	}
1224		1860
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1861	# the original (read-only) location
1233	sub load_path {	1862	sub load_path {
1234	my ($self) = @_;	1863	my ($self) = @_;
1235		1864
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1865	"$MAPDIR/$self->{path}.map"
1237	}	1866	}
1238		1867
1239	# the temporary/swap location	1868	# the temporary/swap location
1240	sub save_path {	1869	sub save_path {
1241	my ($self) = @_;	1870	my ($self) = @_;
1242		1871
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1872	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1873	"$TMPDIR/$path.map"
1244	}	1874	}
1245		1875
1246	# the unique path, undef == no special unique path	1876	# the unique path, undef == no special unique path
1247	sub uniq_path {	1877	sub uniq_path {
1248	my ($self) = @_;	1878	my ($self) = @_;
1249		1879
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1881	"$UNIQUEDIR/$path"
1251	}	1882	}
1252		1883
1253	# and all this just because we cannot iterate over	1884	# and all this just because we cannot iterate over
1254	# all maps in C++...	1885	# all maps in C++...
1255	sub change_all_map_light {	1886	sub change_all_map_light {
…		…
1257		1888
1258	$_->change_map_light ($change)	1889	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1890	for grep $_->outdoor, values %cf::MAP;
1260	}	1891	}
1261		1892
		1893	sub decay_objects {
		1894	my ($self) = @_;
		1895
		1896	return if $self->{deny_reset};
		1897
		1898	$self->do_decay_objects;
		1899	}
		1900
1262	sub unlink_save {	1901	sub unlink_save {
1263	my ($self) = @_;	1902	my ($self) = @_;
1264		1903
1265	utf8::encode (my $save = $self->save_path);	1904	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1905	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1906	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1907	}
1269		1908
1270	sub load_header_from($) {	1909	sub load_header_from($) {
1271	my ($self, $path) = @_;	1910	my ($self, $path) = @_;
1272		1911
1273	utf8::encode $path;	1912	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1913	my $f = new_from_file cf::object::thawer $path
1275	or return;	1914	or return;
1276		1915
1277	$self->_load_header ($path)	1916	$self->_load_header ($f)
1278	or return;	1917	or return;
1279		1918
		1919	local $MAP_LOADING{$self->{path}} = $self;
		1920	$f->resolve_delayed_derefs;
		1921
1280	$self->{load_path} = $path;	1922	$self->{load_path} = $path;
1281		1923
1282	1	1924	1
1283	}	1925	}
1284		1926
1285	sub load_orig {	1927	sub load_header_orig {
1286	my ($self) = @_;	1928	my ($self) = @_;
1287		1929
1288	$self->load_header_from ($self->load_path)	1930	$self->load_header_from ($self->load_path)
1289	}	1931	}
1290		1932
1291	sub load_temp {	1933	sub load_header_temp {
1292	my ($self) = @_;	1934	my ($self) = @_;
1293		1935
1294	$self->load_header_from ($self->save_path)	1936	$self->load_header_from ($self->save_path)
		1937	}
		1938
		1939	sub prepare_temp {
		1940	my ($self) = @_;
		1941
		1942	$self->last_access ((delete $self->{last_access})
		1943	|| $cf::RUNTIME); #d#
		1944	# safety
		1945	$self->{instantiate_time} = $cf::RUNTIME
		1946	if $self->{instantiate_time} > $cf::RUNTIME;
		1947	}
		1948
		1949	sub prepare_orig {
		1950	my ($self) = @_;
		1951
		1952	$self->{load_original} = 1;
		1953	$self->{instantiate_time} = $cf::RUNTIME;
		1954	$self->last_access ($cf::RUNTIME);
		1955	$self->instantiate;
1295	}	1956	}
1296		1957
1297	sub load_header {	1958	sub load_header {
1298	my ($self) = @_;	1959	my ($self) = @_;
1299		1960
1300	if ($self->load_temp) {	1961	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1962	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1963	} else {
1307	$self->load_orig	1964	$self->load_header_orig
1308	or return;	1965	or return;
1309		1966	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1967	}
		1968
		1969	$self->{deny_reset} = 1
		1970	if $self->no_reset;
		1971
		1972	$self->default_region (cf::region::find_by_path $self->{path})
		1973	unless $self->default_region;
1315		1974
1316	1	1975	1
1317	}	1976	}
1318		1977
1319	sub find;	1978	sub find;
1320	sub find {	1979	sub find {
1321	my ($path, $origin) = @_;	1980	my ($path, $origin) = @_;
1322		1981
1323	$path = normalise $path, $origin && $origin->path;	1982	$path = normalise $path, $origin && $origin->path;
1324		1983
		1984	cf::lock_wait "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	1985	cf::lock_wait "map_find:$path";
1326		1986
1327	$cf::MAP{$path} || do {	1987	$cf::MAP{$path} || do {
1328	my $guard = cf::lock_acquire "map_find:$path";	1988	my $guard1 = cf::lock_acquire "map_find:$path";
		1989	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1990
1329	my $map = new_from_path cf::map $path	1991	my $map = new_from_path cf::map $path
1330	or return;	1992	or return;
1331		1993
1332	$map->{last_save} = $cf::RUNTIME;	1994	$map->{last_save} = $cf::RUNTIME;
1333		1995
1334	$map->load_header	1996	$map->load_header
1335	or return;	1997	or return;
1336		1998
1337	if ($map->should_reset) {	1999	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2000	# doing this can freeze the server in a sync job, obviously
		2001	#$cf::WAIT_FOR_TICK->wait;
		2002	undef $guard1;
		2003	undef $guard2;
1338	$map->reset;	2004	$map->reset;
1339	undef $guard;
1340	$map = find $path	2005	return find $path;
1341	or return;
1342	}	2006	}
1343		2007
1344	$cf::MAP{$path} = $map	2008	$cf::MAP{$path} = $map
1345	}	2009	}
1346	}	2010	}
		2011
		2012	sub pre_load { }
		2013	sub post_load { }
1347		2014
1348	sub load {	2015	sub load {
1349	my ($self) = @_;	2016	my ($self) = @_;
1350		2017
		2018	local $self->{deny_reset} = 1; # loading can take a long time
		2019
1351	my $path = $self->{path};	2020	my $path = $self->{path};
		2021
		2022	{
1352	my $guard = cf::lock_acquire "map_load:$path";	2023	my $guard = cf::lock_acquire "map_data:$path";
1353		2024
		2025	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	2026	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		2027
1356	$self->in_memory (cf::MAP_LOADING);	2028	$self->in_memory (cf::MAP_LOADING);
1357		2029
1358	$self->alloc;	2030	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	2031
		2032	$self->pre_load;
		2033	cf::cede_to_tick;
		2034
		2035	my $f = new_from_file cf::object::thawer $self->{load_path};
		2036	$f->skip_block;
		2037	$self->_load_objects ($f)
1360	or return;	2038	or return;
1361		2039
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2040	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363	if delete $self->{load_original};	2041	if delete $self->{load_original};
1364		2042
1365	if (my $uniq = $self->uniq_path) {	2043	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	2044	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	2045	unless (aio_stat $uniq) {
		2046	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	2047	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	2048	$self->_load_objects ($f);
		2049	$f->resolve_delayed_derefs;
		2050	}
1370	}	2051	}
1371	}	2052	}
1372		2053
1373	Coro::cede;	2054	$f->resolve_delayed_derefs;
1374		2055
		2056	cf::cede_to_tick;
1375	# now do the right thing for maps	2057	# now do the right thing for maps
1376	$self->link_multipart_objects;	2058	$self->link_multipart_objects;
1377
1378	unless ($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)	2059	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2060	unless $self->difficulty;
1386	Coro::cede;	2061	cf::cede_to_tick;
		2062
		2063	unless ($self->{deny_activate}) {
		2064	$self->decay_objects;
		2065	$self->fix_auto_apply;
		2066	$self->update_buttons;
		2067	cf::cede_to_tick;
		2068	$self->set_darkness_map;
		2069	cf::cede_to_tick;
1387	$self->activate;	2070	$self->activate;
1388	}	2071	}
1389		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
1390	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_IN_MEMORY);
		2077	}
		2078
		2079	$self->post_load;
1391	}	2080	}
1392		2081
1393	sub customise_for {	2082	sub customise_for {
1394	my ($self, $ob) = @_;	2083	my ($self, $ob) = @_;
1395		2084
1396	return find "~" . $ob->name . "/" . $self->{path}	2085	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2086	if $self->per_player;
1398		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
1399	$self	2091	$self
1400	}	2092	}
1401		2093
1402	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	2095	sub load_neighbours {
1404	my ($map) = @_;	2096	my ($map) = @_;
1405		2097
1406	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1407		2099
1408	for (0 .. 3) {	2100	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1410	or next;	2102	or next;
1411	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1412	or next;	2104	or next;
1413	$neigh->load;	2105	$neigh->load;
1414		2106
		2107	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2110	}
1418		2111
1419	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1421	or next;	2115	or next;
1422	$neigh->load;	2116	$neigh->load;
1423	}	2117	}
1424	}	2118	}
1425		2119
…		…
1430	}	2124	}
1431		2125
1432	sub do_load_sync {	2126	sub do_load_sync {
1433	my ($map) = @_;	2127	my ($map) = @_;
1434		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1435	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1436	}	2133	}
1437		2134
1438	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2136	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		2137
1452	sub find_async {	2138	sub find_async {
1453	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1454		2140
1455	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1456		2142
1457	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2145	}
		2146
		2147	$MAP_PREFETCH{$path} |= $load;
		2148
		2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
		2152	while (%MAP_PREFETCH) {
		2153	while (my ($k, $v) = each %MAP_PREFETCH) {
		2154	if (my $map = find $k) {
		2155	$map->load if $v;
		2156	}
		2157
		2158	delete $MAP_PREFETCH{$k};
		2159	}
		2160	}
		2161	undef $MAP_PREFETCHER;
1459	}	2162	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2163	$MAP_PREFETCHER->prio (6);
1463		2164
1464	()	2165	()
1465	}	2166	}
1466		2167
1467	sub save {	2168	sub save {
1468	my ($self) = @_;	2169	my ($self) = @_;
1469		2170
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2172
1472	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1473		2174
1474	return unless $self->dirty;	2175	return unless $self->dirty;
1475		2176
…		…
1481	return if $self->{deny_save};	2182	return if $self->{deny_save};
1482		2183
1483	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1484		2185
1485	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1487	};	2189	};
1488		2190
1489	if ($uniq) {	2191	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2192	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1498	my ($self) = @_;	2200	my ($self) = @_;
1499		2201
1500	# save first because save cedes	2202	# save first because save cedes
1501	$self->save;	2203	$self->save;
1502		2204
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2205	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2206
1505	return if $self->players;	2207	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2208	return if $self->in_memory != cf::MAP_IN_MEMORY;
1507	return if $self->{deny_save};	2209	return if $self->{deny_save};
1508		2210
		2211	$self->in_memory (cf::MAP_SWAPPED);
		2212
		2213	$self->deactivate;
		2214	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2215	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2216	}
1512		2217
1513	sub reset_at {	2218	sub reset_at {
1514	my ($self) = @_;	2219	my ($self) = @_;
1515		2220
1516	# TODO: safety, remove and allow resettable per-player maps	2221	# 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};	2222	return 1e99 if $self->{deny_reset};
1519		2223
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2224	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2225	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2226
…		…
1527	my ($self) = @_;	2231	my ($self) = @_;
1528		2232
1529	$self->reset_at <= $cf::RUNTIME	2233	$self->reset_at <= $cf::RUNTIME
1530	}	2234	}
1531		2235
1532	sub rename {
1533	my ($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	$self->save;
1544	}
1545
1546	sub reset {	2236	sub reset {
1547	my ($self) = @_;	2237	my ($self) = @_;
1548		2238
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2239	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2240
1551	return if $self->players;	2241	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2242
1554	warn "resetting map ", $self->path;#d#	2243	warn "resetting map ", $self->path;
		2244
		2245	$self->in_memory (cf::MAP_SWAPPED);
		2246
		2247	# need to save uniques path
		2248	unless ($self->{deny_save}) {
		2249	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2250
		2251	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2252	if $uniq;
		2253	}
1555		2254
1556	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1557		2256
		2257	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2258	$_->clear_links_to ($self) for values %cf::MAP;
		2259	$self->clear;
1559		2260
1560	$self->unlink_save;	2261	$self->unlink_save;
1561	$self->destroy;	2262	$self->destroy;
1562	}	2263	}
1563		2264
1564	my $nuke_counter = "aaaa";	2265	my $nuke_counter = "aaaa";
1565		2266
1566	sub nuke {	2267	sub nuke {
1567	my ($self) = @_;	2268	my ($self) = @_;
1568		2269
		2270	{
		2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2272
		2273	delete $cf::MAP{$self->path};
		2274
		2275	$self->unlink_save;
		2276
		2277	bless $self, "cf::map";
		2278	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2279	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2280	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2281	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2282
		2283	$cf::MAP{$self->path} = $self;
		2284	}
		2285
1572	$self->reset; # polite request, might not happen	2286	$self->reset; # polite request, might not happen
		2287	}
		2288
		2289	=item $maps = cf::map::tmp_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	maps. May block.
		2293
		2294	=cut
		2295
		2296	sub tmp_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise $_
		2302	: ()
		2303	} @{ aio_readdir $TMPDIR or [] }
		2304	]
		2305	}
		2306
		2307	=item $maps = cf::map::random_maps
		2308
		2309	Returns an arrayref with all map paths of currently instantiated and saved
		2310	random maps. May block.
		2311
		2312	=cut
		2313
		2314	sub random_maps() {
		2315	[
		2316	map {
		2317	utf8::decode $_;
		2318	/\.map$/
		2319	? normalise "?random/$_"
		2320	: ()
		2321	} @{ aio_readdir $RANDOMDIR or [] }
		2322	]
1573	}	2323	}
1574		2324
1575	=item cf::map::unique_maps	2325	=item cf::map::unique_maps
1576		2326
1577	Returns an arrayref of paths of all shared maps that have	2327	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2328	instantiated unique items. May block.
1579		2329
1580	=cut	2330	=cut
1581		2331
1582	sub unique_maps() {	2332	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2333	[
1584	or return;	2334	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2335	utf8::decode $_;
1590	next if /\.pst$/;	2336	/\.map$/
1591	next unless /^$PATH_SEP/o;	2337	? normalise $_
1592		2338	: ()
1593	push @paths, $_;	2339	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2340	]
1595
1596	\@paths
1597	}	2341	}
1598		2342
1599	package cf;	2343	package cf;
1600		2344
1601	=back	2345	=back
…		…
1619	map { $_, inv_recursive_ $_->inv } @_	2363	map { $_, inv_recursive_ $_->inv } @_
1620	}	2364	}
1621		2365
1622	sub inv_recursive {	2366	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2367	inv_recursive_ inv $_[0]
		2368	}
		2369
		2370	=item $ref = $ob->ref
		2371
		2372	creates and returns a persistent reference to an objetc that can be stored as a string.
		2373
		2374	=item $ob = cf::object::deref ($refstring)
		2375
		2376	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2377	even if the object actually exists. May block.
		2378
		2379	=cut
		2380
		2381	sub deref {
		2382	my ($ref) = @_;
		2383
		2384	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2385	my ($uuid, $name) = ($1, $2);
		2386	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2387	or return;
		2388	$pl->ob->uuid eq $uuid
		2389	or return;
		2390
		2391	$pl->ob
		2392	} else {
		2393	warn "$ref: cannot resolve object reference\n";
		2394	undef
		2395	}
1624	}	2396	}
1625		2397
1626	package cf;	2398	package cf;
1627		2399
1628	=back	2400	=back
…		…
1647		2419
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2421
1650	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1652	} else {	2425	} else {
		2426	my $pl = $self->contr;
		2427
		2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2429	my $dialog = $pl->{npc_dialog};
		2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2431
		2432	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2434	$self->message ($msg, $flags);
		2435	}
1655	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
1656	}	2447	}
1657		2448
1658	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1659		2450
1660	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2483	=cut
1693		2484
1694	sub link_map {	2485	sub link_map {
1695	unless ($LINK_MAP) {	2486	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2487	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2488	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2489	$LINK_MAP->load;
1699	}	2490	}
1700		2491
1701	$LINK_MAP	2492	$LINK_MAP
1702	}	2493	}
…		…
1707	$self->deactivate_recursive;	2498	$self->deactivate_recursive;
1708		2499
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2500	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2501
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2503	if $self->map && $self->map->{path} ne "{link}";
1713		2504
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2505	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2506	}
1716		2507
1717	sub cf::object::player::leave_link {	2508	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2509	my ($self, $map, $x, $y) = @_;
		2510
		2511	return unless $self->contr->active;
1719		2512
1720	my $link_pos = delete $self->{_link_pos};	2513	my $link_pos = delete $self->{_link_pos};
1721		2514
1722	unless ($map) {	2515	unless ($map) {
1723	# restore original map position	2516	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2530	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2531	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2532	if $x <=0 && $y <= 0;
1740		2533
1741	$map->load;	2534	$map->load;
1742	$map->load_diag;	2535	$map->load_neighbours;
1743		2536
1744	return unless $self->contr->active;	2537	return unless $self->contr->active;
1745	$self->activate_recursive;	2538	$self->activate_recursive;
		2539
		2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
1747	}	2542	}
1748		2543
1749	cf::player->attach (	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2545
1753	# abort map switching before logout	2546	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2547	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2549	the new (success) or old (failed) map position. In either case, $done will
1757	};	2550	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2551
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	2552	=cut
		2553
		2554	our $GOTOGEN;
1784		2555
1785	sub cf::object::player::goto {	2556	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2557	my ($self, $path, $x, $y, $check, $done) = @_;
		2558
		2559	# do generation counting so two concurrent goto's will be executed in-order
		2560	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2561
1788	$self->enter_link;	2562	$self->enter_link;
1789		2563
1790	(async {	2564	(async {
1791	my $map = cf::map::find $path;	2565	$Coro::current->{desc} = "player::goto $path $x $y";
		2566
		2567	# *tag paths override both path and x|y
		2568	if ($path =~ /^\*(.*)$/) {
		2569	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2570	my $ob = $obs[rand @obs];
		2571
		2572	# see if we actually can go there
		2573	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2574	$ob = $obs[rand @obs];
		2575	} else {
		2576	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2577	}
		2578	# else put us there anyways for now #d#
		2579
		2580	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2581	} else {
		2582	($path, $x, $y) = (undef, undef, undef);
		2583	}
		2584	}
		2585
		2586	my $map = eval {
		2587	my $map = defined $path ? cf::map::find $path : undef;
		2588
		2589	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2590	$map = $map->customise_for ($self);
1793		2591	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2592	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2593	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	}
1798		2595
		2596	$map
		2597	};
		2598
		2599	if ($@) {
		2600	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2601	LOG llevError | logBacktrace, Carp::longmess $@;
		2602	}
		2603
		2604	if ($gen == $self->{_goto_generation}) {
		2605	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2606	$self->leave_link ($map, $x, $y);
		2607	}
		2608
		2609	$done->() if $done;
1800	})->prio (1);	2610	})->prio (1);
1801	}	2611	}
1802		2612
1803	=item $player_object->enter_exit ($exit_object)	2613	=item $player_object->enter_exit ($exit_object)
1804		2614
…		…
1806		2616
1807	sub parse_random_map_params {	2617	sub parse_random_map_params {
1808	my ($spec) = @_;	2618	my ($spec) = @_;
1809		2619
1810	my $rmp = { # defaults	2620	my $rmp = { # defaults
1811	xsize => 10,	2621	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2622	ysize => (cf::rndm 15, 40),
		2623	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2624	#layout => string,
1813	};	2625	};
1814		2626
1815	for (split /\n/, $spec) {	2627	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2628	my ($k, $v) = split /\s+/, $_, 2;
1817		2629
…		…
1821	$rmp	2633	$rmp
1822	}	2634	}
1823		2635
1824	sub prepare_random_map {	2636	sub prepare_random_map {
1825	my ($exit) = @_;	2637	my ($exit) = @_;
		2638
		2639	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2640
1827	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2643	# that depends on the exit object
1830		2644
1831	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
1832		2646
1833	if ($exit->map) {	2647	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2648	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
1838	}	2652	}
1839		2653
1840	$rmp->{random_seed} ||= $exit->random_seed;	2654	$rmp->{random_seed} ||= $exit->random_seed;
1841		2655
1842	my $data = cf::to_json $rmp;	2656	my $data = cf::encode_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2657	my $md5 = Digest::MD5::md5_hex $data;
		2658	my $meta = "$RANDOMDIR/$md5.meta";
1844		2659
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2660	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2661	aio_write $fh, 0, (length $data), $data, 0;
		2662	undef $fh;
		2663	aio_rename "$meta~", $meta;
1847		2664
1848	$exit->slaying ("?random/$md5");	2665	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2666	$exit->msg (undef);
1850	}	2667	}
1851	}	2668	}
…		…
1853	sub cf::object::player::enter_exit {	2670	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2671	my ($self, $exit) = @_;
1855		2672
1856	return unless $self->type == cf::PLAYER;	2673	return unless $self->type == cf::PLAYER;
1857		2674
		2675	if ($exit->slaying eq "/!") {
		2676	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2677	# the problem is that $exit might not survive long enough
		2678	# so it needs to be done right now, right here
		2679	cf::sync_job { prepare_random_map $exit };
		2680	}
		2681
		2682	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2683	my $hp = $exit->stats->hp;
		2684	my $sp = $exit->stats->sp;
		2685
1858	$self->enter_link;	2686	$self->enter_link;
1859		2687
		2688	# if exit is damned, update players death & WoR home-position
		2689	$self->contr->savebed ($slaying, $hp, $sp)
		2690	if $exit->flag (FLAG_DAMNED);
		2691
1860	(async {	2692	(async {
		2693	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2694
1861	$self->deactivate_recursive; # just to be sure	2695	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2696	unless (eval {
1863	prepare_random_map $exit	2697	$self->goto ($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		2698
1869	1;	2699	1;
1870	}) {	2700	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2705
1876	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2707	$self->leave_link;
1878	}	2708	}
1879	})->prio (1);	2709	})->prio (1);
…		…
1892		2722
1893	sub cf::client::send_drawinfo {	2723	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2724	my ($self, $text, $flags) = @_;
1895		2725
1896	utf8::encode $text;	2726	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2728	}
1899		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/uptime" => {
		2778	id => "infobox",
		2779	title => "Uptime",
		2780	reply => undef,
		2781	tooltip => "How long the server has been running since last restart",
		2782	},
		2783	"c/mapinfo" => {
		2784	id => "infobox",
		2785	title => "Map Info",
		2786	reply => undef,
		2787	tooltip => "Information related to the maps",
		2788	},
		2789	);
		2790
		2791	sub cf::client::send_msg {
		2792	my ($self, $channel, $msg, $color, @extra) = @_;
		2793
		2794	$msg = $self->pl->expand_cfpod ($msg);
		2795
		2796	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2797
		2798	# check predefined channels, for the benefit of C
		2799	if ($CHANNEL{$channel}) {
		2800	$channel = $CHANNEL{$channel};
		2801
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804
		2805	$channel = $channel->{id};
		2806
		2807	} elsif (ref $channel) {
		2808	# send meta info to client, if not yet sent
		2809	unless (exists $self->{channel}{$channel->{id}}) {
		2810	$self->{channel}{$channel->{id}} = $channel;
		2811	$self->ext_msg (channel_info => $channel)
		2812	if $self->can_msg;
		2813	}
		2814
		2815	$channel = $channel->{id};
		2816	}
		2817
		2818	return unless @extra || length $msg;
		2819
		2820	if ($self->can_msg) {
		2821	# default colour, mask it out
		2822	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2823	if $color & cf::NDI_DEF;
		2824
		2825	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2827	} else {
		2828	if ($color >= 0) {
		2829	# replace some tags by gcfclient-compatible ones
		2830	for ($msg) {
		2831	1 while
		2832	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2833	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2834	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2835	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2836	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2837	}
		2838
		2839	$color &= cf::NDI_COLOR_MASK;
		2840
		2841	utf8::encode $msg;
		2842
		2843	if (0 && $msg =~ /\[/) {
		2844	# COMMAND/INFO
		2845	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2846	} else {
		2847	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2848	$self->send_packet ("drawinfo $color $msg")
		2849	}
		2850	}
		2851	}
		2852	}
		2853
		2854	=item $client->ext_msg ($type, @msg)
		2855
		2856	Sends an ext event to the client.
		2857
		2858	=cut
		2859
		2860	sub cf::client::ext_msg($$@) {
		2861	my ($self, $type, @msg) = @_;
		2862
		2863	if ($self->extcmd == 2) {
		2864	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2865	} elsif ($self->extcmd == 1) { # TODO: remove
		2866	push @msg, msgtype => "event_$type";
		2867	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2868	}
		2869	}
		2870
		2871	=item $client->ext_reply ($msgid, @msg)
		2872
		2873	Sends an ext reply to the client.
		2874
		2875	=cut
		2876
		2877	sub cf::client::ext_reply($$@) {
		2878	my ($self, $id, @msg) = @_;
		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2882	} elsif ($self->extcmd == 1) {
		2883	#TODO: version 1, remove
		2884	unshift @msg, msgtype => "reply", msgid => $id;
		2885	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2886	}
		2887	}
1900		2888
1901	=item $success = $client->query ($flags, "text", \&cb)	2889	=item $success = $client->query ($flags, "text", \&cb)
1902		2890
1903	Queues a query to the client, calling the given callback with	2891	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>,	2892	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>.	2893	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2894
1907	Queries can fail, so check the return code. Or don't, as queries will become	2895	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2896	become reliable at some point in the future.
1909		2897
1910	=cut	2898	=cut
1911		2899
1912	sub cf::client::query {	2900	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2901	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2909	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2910	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2911
1924	$self->send_packet ($self->{query_queue}[0][0])	2912	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2913	if @{ $self->{query_queue} } == 1;
		2914
		2915	1
1926	}	2916	}
1927		2917
1928	cf::client->attach (	2918	cf::client->attach (
		2919	on_connect => sub {
		2920	my ($ns) = @_;
		2921
		2922	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2923	},
1929	on_reply => sub {	2924	on_reply => sub {
1930	my ($ns, $msg) = @_;	2925	my ($ns, $msg) = @_;
1931		2926
1932	# this weird shuffling is so that direct followup queries	2927	# this weird shuffling is so that direct followup queries
1933	# get handled first	2928	# get handled first
1934	my $queue = delete $ns->{query_queue}	2929	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2930	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2931
1937	(shift @$queue)->[1]->($msg);	2932	(shift @$queue)->[1]->($msg);
		2933	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2934
1939	push @{ $ns->{query_queue} }, @$queue;	2935	push @{ $ns->{query_queue} }, @$queue;
1940		2936
1941	if (@{ $ns->{query_queue} } == @$queue) {	2937	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2938	if (@$queue) {
…		…
1944	} else {	2940	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2941	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2942	}
1947	}	2943	}
1948	},	2944	},
		2945	on_exticmd => sub {
		2946	my ($ns, $buf) = @_;
		2947
		2948	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2949
		2950	if (ref $msg) {
		2951	my ($type, $reply, @payload) =
		2952	"ARRAY" eq ref $msg
		2953	? @$msg
		2954	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2955
		2956	my @reply;
		2957
		2958	if (my $cb = $EXTICMD{$type}) {
		2959	@reply = $cb->($ns, @payload);
		2960	}
		2961
		2962	$ns->ext_reply ($reply, @reply)
		2963	if $reply;
		2964
		2965	} else {
		2966	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2967	}
		2968
		2969	cf::override;
		2970	},
1949	);	2971	);
1950		2972
1951	=item $client->async (\&cb)	2973	=item $client->async (\&cb)
1952		2974
1953	Create a new coroutine, running the specified callback. The coroutine will	2975	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	3016	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	3017	our $safe_hole = new Safe::Hole;
1996		3018
1997	$SIG{FPE} = 'IGNORE';	3019	$SIG{FPE} = 'IGNORE';
1998		3020
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3021	$safe->permit_only (Opcode::opset qw(
		3022	:base_core :base_mem :base_orig :base_math
		3023	grepstart grepwhile mapstart mapwhile
		3024	sort time
		3025	));
2000		3026
2001	# here we export the classes and methods available to script code	3027	# here we export the classes and methods available to script code
2002		3028
2003	=pod	3029	=pod
2004		3030
2005	The following fucntions and emthods are available within a safe environment:	3031	The following functions and methods are available within a safe environment:
2006		3032
2007	cf::object contr pay_amount pay_player map	3033	cf::object
		3034	contr pay_amount pay_player map x y force_find force_add destroy
		3035	insert remove name archname title slaying race decrease_ob_nr
		3036
2008	cf::object::player player	3037	cf::object::player
2009	cf::player peaceful	3038	player
2010	cf::map trigger	3039
		3040	cf::player
		3041	peaceful
		3042
		3043	cf::map
		3044	trigger
2011		3045
2012	=cut	3046	=cut
2013		3047
2014	for (	3048	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	3049	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3050	insert remove inv name archname title slaying race
		3051	decrease_ob_nr destroy)],
2016	["cf::object::player" => qw(player)],	3052	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	3053	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	3054	["cf::map" => qw(trigger)],
2019	) {	3055	) {
2020	no strict 'refs';	3056	no strict 'refs';
…		…
2091	=back	3127	=back
2092		3128
2093	=cut	3129	=cut
2094		3130
2095	#############################################################################	3131	#############################################################################
		3132	# the server's init and main functions
2096		3133
2097	=head2 EXTENSION DATABASE SUPPORT	3134	sub load_facedata($) {
		3135	my ($path) = @_;
2098		3136
2099	Crossfire maintains a very simple database for extension use. It can	3137	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3138	# for this (global event?)
2101	excludes objects.	3139	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3140
2103	The parameter C<$family> should best start with the name of the extension	3141	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3142
2106	=over 4	3143	warn "loading facedata from $path\n";
2107		3144
2108	=item $hashref = cf::db_get $family	3145	my $facedata;
		3146	0 < aio_load $path, $facedata
		3147	or die "$path: $!";
2109		3148
2110	Return a hashref for use by the extension C<$family>, which can be	3149	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3150
2114	=item $value = cf::db_get $family => $key	3151	$facedata->{version} == 2
		3152	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3153
2116	Returns a single value from the database	3154	# patch in the exptable
2117		3155	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	3156	type => FT_RSRC,
2119		3157	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	});	3158	};
		3159	cf::cede_to_tick;
2169		3160
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3161	{
		3162	my $faces = $facedata->{faceinfo};
2174		3163
2175	sub db_get($;$) {	3164	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3165	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180		3166
2181	sub db_put($$;$) {	3167	cf::face::set_visibility $idx, $info->{visibility};
2182	if (@_ >= 3) {	3168	cf::face::set_magicmap $idx, $info->{magicmap};
2183	$DB->{$_[0]}{$_[1]} = $_[2];	3169	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2184	} else {	3170	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189		3171
2190	cf::global->attach (	3172	cf::cede_to_tick;
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3173	}
2195	);
2196	}
2197		3174
2198	#############################################################################	3175	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3176	next unless $info->{smooth};
2200		3177
2201	sub cfg_load {	3178	my $idx = cf::face::find $face
		3179	or next;
		3180
		3181	if (my $smooth = cf::face::find $info->{smooth}) {
		3182	cf::face::set_smooth $idx, $smooth;
		3183	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3184	} else {
		3185	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3186	}
		3187
		3188	cf::cede_to_tick;
		3189	}
		3190	}
		3191
		3192	{
		3193	my $anims = $facedata->{animinfo};
		3194
		3195	while (my ($anim, $info) = each %$anims) {
		3196	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3197	cf::cede_to_tick;
		3198	}
		3199
		3200	cf::anim::invalidate_all; # d'oh
		3201	}
		3202
		3203	{
		3204	# TODO: for gcfclient pleasure, we should give resources
		3205	# that gcfclient doesn't grok a >10000 face index.
		3206	my $res = $facedata->{resource};
		3207
		3208	while (my ($name, $info) = each %$res) {
		3209	if (defined $info->{type}) {
		3210	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3211	my $data;
		3212
		3213	if ($info->{type} & 1) {
		3214	# prepend meta info
		3215
		3216	my $meta = $enc->encode ({
		3217	name => $name,
		3218	%{ $info->{meta} || {} },
		3219	});
		3220
		3221	$data = pack "(w/a*)*", $meta, $info->{data};
		3222	} else {
		3223	$data = $info->{data};
		3224	}
		3225
		3226	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3227	cf::face::set_type $idx, $info->{type};
		3228	} else {
		3229	$RESOURCE{$name} = $info;
		3230	}
		3231
		3232	cf::cede_to_tick;
		3233	}
		3234	}
		3235
		3236	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3237
		3238	1
		3239	}
		3240
		3241	cf::global->attach (on_resource_update => sub {
		3242	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3243	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3244
		3245	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3246	my $sound = $soundconf->{compat}[$_]
		3247	or next;
		3248
		3249	my $face = cf::face::find "sound/$sound->[1]";
		3250	cf::sound::set $sound->[0] => $face;
		3251	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3252	}
		3253
		3254	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3255	my $face = cf::face::find "sound/$v";
		3256	cf::sound::set $k => $face;
		3257	}
		3258	}
		3259	});
		3260
		3261	register_exticmd fx_want => sub {
		3262	my ($ns, $want) = @_;
		3263
		3264	while (my ($k, $v) = each %$want) {
		3265	$ns->fx_want ($k, $v);
		3266	}
		3267	};
		3268
		3269	sub reload_regions {
		3270	# HACK to clear player env face cache, we need some signal framework
		3271	# for this (global event?)
		3272	%ext::player_env::MUSIC_FACE_CACHE = ();
		3273
		3274	load_resource_file "$MAPDIR/regions"
		3275	or die "unable to load regions file\n";
		3276
		3277	for (cf::region::list) {
		3278	$_->{match} = qr/$_->{match}/
		3279	if exists $_->{match};
		3280	}
		3281	}
		3282
		3283	sub reload_facedata {
		3284	load_facedata "$DATADIR/facedata"
		3285	or die "unable to load facedata\n";
		3286	}
		3287
		3288	sub reload_archetypes {
		3289	load_resource_file "$DATADIR/archetypes"
		3290	or die "unable to load archetypes\n";
		3291	#d# NEED to laod twice to resolve forward references
		3292	# this really needs to be done in an extra post-pass
		3293	# (which needs to be synchronous, so solve it differently)
		3294	load_resource_file "$DATADIR/archetypes"
		3295	or die "unable to load archetypes\n";
		3296	}
		3297
		3298	sub reload_treasures {
		3299	load_resource_file "$DATADIR/treasures"
		3300	or die "unable to load treasurelists\n";
		3301	}
		3302
		3303	sub reload_resources {
		3304	warn "reloading resource files...\n";
		3305
		3306	reload_regions;
		3307	reload_facedata;
		3308	#reload_archetypes;#d#
		3309	reload_archetypes;
		3310	reload_treasures;
		3311
		3312	warn "finished reloading resource files\n";
		3313	}
		3314
		3315	sub init {
		3316	reload_resources;
		3317	}
		3318
		3319	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3320	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3321	or return;
2204		3322
2205	local $/;	3323	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3324	*CFG = YAML::Load <$fh>;
2207		3325
2208	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3326	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2209		3327
2210	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3328	$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};	3329	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2221		3339
2222	sub main {	3340	sub main {
2223	# we must not ever block the main coroutine	3341	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3342	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3343	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2226	async { Event::one_event };	3344	(async {
		3345	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3346	EV::loop EV::LOOP_ONESHOT;
		3347	})->prio (Coro::PRIO_MAX);
2227	};	3348	};
2228		3349
2229	cfg_load;	3350	reload_config;
2230	db_load;	3351	db_init;
2231	load_extensions;	3352	load_extensions;
		3353
		3354	$TICK_WATCHER->start;
		3355	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2232	Event::loop;	3356	EV::loop;
2233	}	3357	}
2234		3358
2235	#############################################################################	3359	#############################################################################
2236	# initialisation and cleanup	3360	# initialisation and cleanup
2237		3361
2238	# install some emergency cleanup handlers	3362	# install some emergency cleanup handlers
2239	BEGIN {	3363	BEGIN {
		3364	our %SIGWATCHER = ();
2240	for my $signal (qw(INT HUP TERM)) {	3365	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3366	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2242	data => WF_AUTOCANCEL,
2243	signal => $signal,
2244	cb => sub {
2245	cf::cleanup "SIG$signal";	3367	cf::cleanup "SIG$signal";
2246	},
2247	);	3368	};
		3369	}
		3370	}
		3371
		3372	sub write_runtime {
		3373	my $runtime = "$LOCALDIR/runtime";
		3374
		3375	# first touch the runtime file to show we are still running:
		3376	# the fsync below can take a very very long time.
		3377
		3378	IO::AIO::aio_utime $runtime, undef, undef;
		3379
		3380	my $guard = cf::lock_acquire "write_runtime";
		3381
		3382	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3383	or return;
		3384
		3385	my $value = $cf::RUNTIME + 90 + 10;
		3386	# 10 is the runtime save interval, for a monotonic clock
		3387	# 60 allows for the watchdog to kill the server.
		3388
		3389	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3390	and return;
		3391
		3392	# always fsync - this file is important
		3393	aio_fsync $fh
		3394	and return;
		3395
		3396	# touch it again to show we are up-to-date
		3397	aio_utime $fh, undef, undef;
		3398
		3399	close $fh
		3400	or return;
		3401
		3402	aio_rename "$runtime~", $runtime
		3403	and return;
		3404
		3405	warn "runtime file written.\n";
		3406
2248	}	3407	1
2249	}	3408	}
2250		3409
2251	sub emergency_save() {	3410	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3411	my $freeze_guard = cf::freeze_mainloop;
2253		3412
2254	warn "enter emergency perl save\n";	3413	warn "enter emergency perl save\n";
2255		3414
2256	cf::sync_job {	3415	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3416	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3417	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3418	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3419	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3420	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3421	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3422	$pl->valid or next;
		3423	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3424	$pl->save;
2265	}	3425	}
2266	warn "end emergency player save\n";	3426	warn "end emergency player save\n";
2267		3427
2268	warn "begin emergency map save\n";	3428	warn "begin emergency map save\n";
…		…
2270	my $map = $cf::MAP{$path} or next;	3430	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3431	$map->valid or next;
2272	$map->save;	3432	$map->save;
2273	}	3433	}
2274	warn "end emergency map save\n";	3434	warn "end emergency map save\n";
		3435
		3436	warn "begin emergency database checkpoint\n";
		3437	BDB::db_env_txn_checkpoint $DB_ENV;
		3438	warn "end emergency database checkpoint\n";
2275	};	3439	};
2276		3440
2277	warn "leave emergency perl save\n";	3441	warn "leave emergency perl save\n";
2278	}	3442	}
2279		3443
		3444	sub post_cleanup {
		3445	my ($make_core) = @_;
		3446
		3447	warn Carp::longmess "post_cleanup backtrace"
		3448	if $make_core;
		3449	}
		3450
2280	sub reload() {	3451	sub do_reload_perl() {
2281	# can/must only be called in main	3452	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3453	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3454	warn "can only reload from main coroutine";
2284	return;	3455	return;
2285	}	3456	}
2286		3457
2287	warn "reloading...";	3458	warn "reloading...";
2288		3459
2289	warn "freezing server";	3460	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3461
		3462	cf::sync_job {
		3463	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	3464	cf::emergency_save;
		3465	cf::write_runtime; # external watchdog should not bark
2292		3466
2293	warn "sync database to disk";	3467	warn "syncing database to disk";
2294	cf::db_sync;	3468	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3469
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3470	# if anything goes wrong in here, we should simply crash as we already saved
2299		3471
2300	warn "cancel all watchers";	3472	warn "flushing outstanding aio requests";
2301	for (Event::all_watchers) {	3473	for (;;) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3474	BDB::flush;
		3475	IO::AIO::flush;
		3476	Coro::cede_notself;
		3477	last unless IO::AIO::nreqs || BDB::nreqs;
		3478	warn "iterate...";
2303	}	3479	}
2304		3480
		3481	++$RELOAD;
		3482
2305	warn "cancel all extension coros";	3483	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3484	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3485	%EXT_CORO = ();
2308		3486
2309	warn "remove commands";	3487	warn "removing commands";
2310	%COMMAND = ();	3488	%COMMAND = ();
2311		3489
2312	warn "remove ext commands";	3490	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3491	%EXTCMD = ();
		3492	%EXTICMD = ();
2314		3493
2315	warn "unload/nuke all extensions";	3494	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3495	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3496	warn "... unloading $pkg";
2318		3497
2319	if (my $cb = $pkg->can ("unload")) {	3498	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3499	eval {
…		…
2325		3504
2326	warn "... nuking $pkg";	3505	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3506	Symbol::delete_package $pkg;
2328	}	3507	}
2329		3508
2330	warn "unload all perl modules loaded from $LIBDIR";	3509	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3510	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3511	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3512
2334	warn "removing <$k>";	3513	warn "... unloading $k";
2335	delete $INC{$k};	3514	delete $INC{$k};
2336		3515
2337	$k =~ s/\.pm$//;	3516	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3517	$k =~ s/\//::/g;
2339		3518
…		…
2342	}	3521	}
2343		3522
2344	Symbol::delete_package $k;	3523	Symbol::delete_package $k;
2345	}	3524	}
2346		3525
2347	warn "get rid of safe::, as good as possible";	3526	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3527	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3529
2351	warn "unload cf.pm \"a bit\"";	3530	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3531	delete $INC{"cf.pm"};
		3532	delete $INC{"cf/pod.pm"};
2353		3533
2354	# don't, removes xs symbols, too,	3534	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3535	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3536	#Symbol::delete_package __PACKAGE__;
2357		3537
		3538	warn "unload completed, starting to reload now";
		3539
2358	warn "reloading cf.pm";	3540	warn "reloading cf.pm";
2359	require cf;	3541	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3542	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3543
2362	warn "load config and database again";	3544	warn "loading config and database again";
2363	cf::cfg_load;	3545	cf::reload_config;
2364	cf::db_load;
2365		3546
2366	warn "load extensions";	3547	warn "loading extensions";
2367	cf::load_extensions;	3548	cf::load_extensions;
2368		3549
2369	warn "reattach attachments to objects/players";	3550	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3551	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3552	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3553	reattach $_ for values %MAP;
		3554	warn "reattaching attachments to players";
		3555	reattach $_ for values %PLAYER;
		3556
		3557	warn "leaving sync_job";
		3558
		3559	1
		3560	} or do {
		3561	warn $@;
		3562	cf::cleanup "error while reloading, exiting.";
2373	};	3563	};
2374
2375	if ($@) {
2376	warn $@;
2377	warn "error while reloading, exiting.";
2378	exit 1;
2379	}
2380		3564
2381	warn "reloaded";	3565	warn "reloaded";
2382	};	3566	};
2383		3567
		3568	our $RELOAD_WATCHER; # used only during reload
		3569
		3570	sub reload_perl() {
		3571	# doing reload synchronously and two reloads happen back-to-back,
		3572	# coro crashes during coro_state_free->destroy here.
		3573
		3574	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3575	do_reload_perl;
		3576	undef $RELOAD_WATCHER;
		3577	};
		3578	}
		3579
2384	register_command "reload" => sub {	3580	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3581	my ($who, $arg) = @_;
2386		3582
2387	if ($who->flag (FLAG_WIZ)) {	3583	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3584	$who->message ("reloading server.");
		3585	async {
		3586	$Coro::current->{desc} = "perl_reload";
		3587	reload_perl;
		3588	};
2391	}	3589	}
2392	};	3590	};
2393		3591
2394	unshift @INC, $LIBDIR;	3592	unshift @INC, $LIBDIR;
2395		3593
2396	$TICK_WATCHER = Event->timer (	3594	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		3595
		3596	our @WAIT_FOR_TICK;
		3597	our @WAIT_FOR_TICK_BEGIN;
		3598
		3599	sub wait_for_tick {
		3600	return unless $TICK_WATCHER->is_active;
		3601	return if $Coro::current == $Coro::main;
		3602
		3603	my $signal = new Coro::Signal;
		3604	push @WAIT_FOR_TICK, $signal;
		3605	$signal->wait;
		3606	}
		3607
		3608	sub wait_for_tick_begin {
		3609	return unless $TICK_WATCHER->is_active;
		3610	return if $Coro::current == $Coro::main;
		3611
		3612	my $signal = new Coro::Signal;
		3613	push @WAIT_FOR_TICK_BEGIN, $signal;
		3614	$signal->wait;
		3615	}
		3616
		3617	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
		3618	if ($Coro::current != $Coro::main) {
		3619	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3620	unless ++$bug_warning > 10;
		3621	return;
		3622	}
		3623
		3624	$NOW = $tick_start = EV::now;
		3625
2404	cf::server_tick; # one server iteration	3626	cf::server_tick; # one server iteration
		3627
2405	$RUNTIME += $TICK;	3628	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	3629	$NEXT_TICK = $_[0]->at;
2407		3630
2408	$WAIT_FOR_TICK->broadcast;	3631	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3632	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2410		3633	Coro::async_pool {
2411	# if we are delayed by four ticks or more, skip them all	3634	$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	3635	write_runtime
2436	or warn "ERROR: unable to write runtime file: $!";	3636	or warn "ERROR: unable to write runtime file: $!";
2437	})->();	3637	};
2438	},	3638	}
2439	);	3639
		3640	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3641	$sig->send;
		3642	}
		3643	while (my $sig = shift @WAIT_FOR_TICK) {
		3644	$sig->send;
		3645	}
		3646
		3647	$LOAD = ($NOW - $tick_start) / $TICK;
		3648	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3649
		3650	_post_tick;
		3651	};
		3652	$TICK_WATCHER->priority (EV::MAXPRI);
		3653
		3654	{
		3655	# configure BDB
		3656
		3657	BDB::min_parallel 8;
		3658	BDB::max_poll_reqs $TICK * 0.1;
		3659	$Coro::BDB::WATCHER->priority (1);
		3660
		3661	unless ($DB_ENV) {
		3662	$DB_ENV = BDB::db_env_create;
		3663	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3664	| BDB::LOG_AUTOREMOVE, 1);
		3665	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3666	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3667
		3668	cf::sync_job {
		3669	eval {
		3670	BDB::db_env_open
		3671	$DB_ENV,
		3672	$BDBDIR,
		3673	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3674	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3675	0666;
		3676
		3677	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3678	};
		3679
		3680	cf::cleanup "db_env_open(db): $@" if $@;
		3681	};
		3682	}
		3683
		3684	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3685	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3686	};
		3687	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3688	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3689	};
		3690	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3691	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3692	};
		3693	}
		3694
		3695	{
		3696	# configure IO::AIO
		3697
		3698	IO::AIO::min_parallel 8;
		3699	IO::AIO::max_poll_time $TICK * 0.1;
		3700	$Coro::AIO::WATCHER->priority (1);
		3701	}
		3702
		3703	my $_log_backtrace;
		3704
		3705	sub _log_backtrace {
		3706	my ($msg, @addr) = @_;
		3707
		3708	$msg =~ s/\n//;
		3709
		3710	# limit the # of concurrent backtraces
		3711	if ($_log_backtrace < 2) {
		3712	++$_log_backtrace;
		3713	async {
		3714	$Coro::current->{desc} = "abt $msg";
		3715
		3716	my @bt = fork_call {
		3717	@addr = map { sprintf "%x", $_ } @addr;
		3718	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3719	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3720	or die "addr2line: $!";
		3721
		3722	my @funcs;
		3723	my @res = <$fh>;
		3724	chomp for @res;
		3725	while (@res) {
		3726	my ($func, $line) = splice @res, 0, 2, ();
		3727	push @funcs, "[$func] $line";
		3728	}
		3729
		3730	@funcs
		3731	};
		3732
		3733	LOG llevInfo, "[ABT] $msg\n";
		3734	LOG llevInfo, "[ABT] $_\n" for @bt;
		3735	--$_log_backtrace;
		3736	};
		3737	} else {
		3738	LOG llevInfo, "[ABT] $msg\n";
		3739	LOG llevInfo, "[ABT] [suppressed]\n";
		3740	}
		3741	}
		3742
		3743	# load additional modules
		3744	use cf::pod;
2440		3745
2441	END { cf::emergency_save }	3746	END { cf::emergency_save }
2442		3747
2443	1	3748	1
2444		3749

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