ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/cf.schmorp.de/server/lib/cf.pm

Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 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		1340
		1341	=back
		1342
906	=head2 CORE EXTENSIONS	1343	=head2 CORE EXTENSIONS
907		1344
908	Functions and methods that extend core crossfire objects.	1345	Functions and methods that extend core crossfire objects.
909		1346
910	=cut	1347	=cut
…		…
915		1352
916	=head3 cf::player	1353	=head3 cf::player
917		1354
918	=over 4	1355	=over 4
919		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
920	=item cf::player::find $login	1371	=item cf::player::find $login
921		1372
922	Returns the given player object, loading it if necessary (might block).	1373	Returns the given player object, loading it if necessary (might block).
923		1374
924	=cut	1375	=cut
925		1376
926	sub playerdir($) {	1377	sub playerdir($) {
927	cf::localdir	1378	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1379	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1380	}
933		1381
934	sub path($) {	1382	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1383	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1384
937	(playerdir $login) . "/$login.pl"	1385	(playerdir $login) . "/playerdata"
938	}	1386	}
939		1387
940	sub find_active($) {	1388	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1389	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1390	and $cf::PLAYER{$_[0]}->active
…		…
945		1393
946	sub exists($) {	1394	sub exists($) {
947	my ($login) = @_;	1395	my ($login) = @_;
948		1396
949	$cf::PLAYER{$login}	1397	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1398	or cf::sync_job { !aio_stat path $login }
951	}	1399	}
952		1400
953	sub find($) {	1401	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1402	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1403	my $login = $_[0];
956		1404
957	my $guard = cf::lock_acquire "user_find:$login";	1405	my $guard = cf::lock_acquire "user_find:$login";
958		1406
959	$cf::PLAYER{$_[0]} || do {	1407	$cf::PLAYER{$_[0]} || do {
960	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
961	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;
962	$cf::PLAYER{$login} = $pl	1422	$cf::PLAYER{$login} = $pl
963	}	1423	}
964	}	1424	}
965	}	1425	}
966		1426
…		…
976		1436
977	aio_mkdir playerdir $pl, 0770;	1437	aio_mkdir playerdir $pl, 0770;
978	$pl->{last_save} = $cf::RUNTIME;	1438	$pl->{last_save} = $cf::RUNTIME;
979		1439
980	$pl->save_pl ($path);	1440	$pl->save_pl ($path);
981	Coro::cede;	1441	cf::cede_to_tick;
982	}	1442	}
983		1443
984	sub new($) {	1444	sub new($) {
985	my ($login) = @_;	1445	my ($login) = @_;
986		1446
…		…
992	$cf::PLAYER{$login} = $self;	1452	$cf::PLAYER{$login} = $self;
993		1453
994	$self	1454	$self
995	}	1455	}
996		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
997	=item $pl->quit_character	1467	=item $pl->quit_character
998		1468
999	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
1000	be destroyed. May block for a long time.	1470	be destroyed. May block for a long time.
1001		1471
1002	=cut	1472	=cut
1003		1473
1004	sub quit_character {	1474	sub quit_character {
1005	my ($pl) = @_;	1475	my ($pl) = @_;
		1476
		1477	my $name = $pl->ob->name;
1006		1478
1007	$pl->{deny_save} = 1;	1479	$pl->{deny_save} = 1;
1008	$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
1009		1481
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1482	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1487	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1488	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1489	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1490	delete $cf::PLAYER{$pl->ob->name};
1019	$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
1020	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;
1021	}	1513	}
1022		1514
1023	=item cf::player::list_logins	1515	=item cf::player::list_logins
1024		1516
1025	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
1026	while and may block, so not sync_job-capable, ever.	1518	while and may block, so not sync_job-capable, ever.
1027		1519
1028	=cut	1520	=cut
1029		1521
1030	sub list_logins {	1522	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1523	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1524	or return [];
1033		1525
1034	my @logins;	1526	my @logins;
1035		1527
1036	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") {
1037	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1533	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1038	aio_read $fh, 0, 512, my $buf, 0 or next;	1534	aio_read $fh, 0, 512, my $buf, 0 or next;
1039	$buf !~ /^password -------------$/m or next; # official not-valid tag	1535	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1536	}
1040		1537
1041	utf8::decode $login;	1538	utf8::decode $login;
1042	push @logins, $login;	1539	push @logins, $login;
1043	}	1540	}
1044		1541
…		…
1052		1549
1053	=cut	1550	=cut
1054		1551
1055	sub maps($) {	1552	sub maps($) {
1056	my ($pl) = @_;	1553	my ($pl) = @_;
		1554
		1555	$pl = ref $pl ? $pl->ob->name : $pl;
1057		1556
1058	my $files = aio_readdir playerdir $pl	1557	my $files = aio_readdir playerdir $pl
1059	or return;	1558	or return;
1060		1559
1061	my @paths;	1560	my @paths;
…		…
1063	for (@$files) {	1562	for (@$files) {
1064	utf8::decode $_;	1563	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1564	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1565	next unless /^$PATH_SEP/o;
1067		1566
1068	s/\.map$//;	1567	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1568	}
1071		1569
1072	\@paths	1570	\@paths
1073	}	1571	}
1074		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
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1666	=item $player->ext_reply ($msgid, @msg)
1076		1667
1077	Sends an ext reply to the player.	1668	Sends an ext reply to the player.
1078		1669
1079	=cut	1670	=cut
1080		1671
1081	sub ext_reply($$$%) {	1672	sub ext_reply($$@) {
1082	my ($self, $id, %msg) = @_;	1673	my ($self, $id, @msg) = @_;
1083		1674
1084	$msg{msgid} = $id;	1675	$self->ns->ext_reply ($id, @msg)
1085
1086	$self->send ("ext " . cf::to_json \%msg);
1087	}	1676	}
1088		1677
1089	package cf;	1678	=item $player->ext_msg ($type, @msg)
		1679
		1680	Sends an ext event to the client.
		1681
		1682	=cut
		1683
		1684	sub ext_msg($$@) {
		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	}
1090		1718
1091	=back	1719	=back
1092
1093		1720
1094	=head3 cf::map	1721	=head3 cf::map
1095		1722
1096	=over 4	1723	=over 4
1097		1724
…		…
1101		1728
1102	use Fcntl;	1729	use Fcntl;
1103	use Coro::AIO;	1730	use Coro::AIO;
1104		1731
1105	use overload	1732	use overload
1106	'""' => \&as_string;	1733	'""' => \&as_string,
		1734	fallback => 1;
1107		1735
1108	our $MAX_RESET = 3600;	1736	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1737	our $DEFAULT_RESET = 3000;
1110		1738
1111	sub generate_random_map {	1739	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1740	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1741	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1742	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1743	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1744	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1745	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1752	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1753	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1754	)
1128	}	1755	}
1129		1756
		1757	=item cf::map->register ($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
1130	sub register {	1765	sub register {
1131	my (undef, $regex) = @_;	1766	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1767	my $pkg = caller;
1133		1768
1134	no strict;	1769	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1770	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1771
1137	$EXT_MAP{$pkg} = qr<$regex>;	1772	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1773	}
1139		1774
1140	# also paths starting with '/'	1775	# also paths starting with '/'
1141	$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	}
1142		1787
1143	sub normalise {	1788	sub normalise {
1144	my ($path, $base) = @_;	1789	my ($path, $base) = @_;
		1790
		1791	$path = "$path"; # make sure its a string
		1792
		1793	$path =~ s/\.map$//;
1145		1794
1146	# map plan:	1795	# map plan:
1147	#	1796	#
1148	# /! non-realised random map exit (special hack!)	1797	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1798	# {... are special paths that are not being touched
…		…
1177		1826
1178	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
1179		1828
1180	$path = normalise $path, $base;	1829	$path = normalise $path, $base;
1181		1830
1182	for my $pkg (keys %EXT_MAP) {	1831	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1832	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1833	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1834	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1835	$self->init; # pass $1 etc.
1187	return $self;	1836	return $self;
1188	}	1837	}
1189	}	1838	}
1190		1839
1191	Carp::carp "unable to resolve path '$path'.";	1840	Carp::cluck "unable to resolve path '$path' (base '$base').";
1192	()	1841	()
1193	}	1842	}
1194		1843
1195	sub init {	1844	sub init {
1196	my ($self) = @_;	1845	my ($self) = @_;
…		…
1211		1860
1212	# the original (read-only) location	1861	# the original (read-only) location
1213	sub load_path {	1862	sub load_path {
1214	my ($self) = @_;	1863	my ($self) = @_;
1215		1864
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1865	"$MAPDIR/$self->{path}.map"
1217	}	1866	}
1218		1867
1219	# the temporary/swap location	1868	# the temporary/swap location
1220	sub save_path {	1869	sub save_path {
1221	my ($self) = @_;	1870	my ($self) = @_;
1222		1871
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1872	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1873	"$TMPDIR/$path.map"
1225	}	1874	}
1226		1875
1227	# the unique path, undef == no special unique path	1876	# the unique path, undef == no special unique path
1228	sub uniq_path {	1877	sub uniq_path {
1229	my ($self) = @_;	1878	my ($self) = @_;
1230		1879
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1881	"$UNIQUEDIR/$path"
1233	}	1882	}
1234		1883
1235	# and all this just because we cannot iterate over	1884	# and all this just because we cannot iterate over
1236	# all maps in C++...	1885	# all maps in C++...
1237	sub change_all_map_light {	1886	sub change_all_map_light {
…		…
1239		1888
1240	$_->change_map_light ($change)	1889	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1890	for grep $_->outdoor, values %cf::MAP;
1242	}	1891	}
1243		1892
		1893	sub decay_objects {
		1894	my ($self) = @_;
		1895
		1896	return if $self->{deny_reset};
		1897
		1898	$self->do_decay_objects;
		1899	}
		1900
1244	sub unlink_save {	1901	sub unlink_save {
1245	my ($self) = @_;	1902	my ($self) = @_;
1246		1903
1247	utf8::encode (my $save = $self->save_path);	1904	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1905	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1906	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1907	}
1251		1908
1252	sub load_header_from($) {	1909	sub load_header_from($) {
1253	my ($self, $path) = @_;	1910	my ($self, $path) = @_;
1254		1911
1255	utf8::encode $path;	1912	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1913	my $f = new_from_file cf::object::thawer $path
1257	or return;	1914	or return;
1258		1915
1259	$self->_load_header ($path)	1916	$self->_load_header ($f)
1260	or return;	1917	or return;
1261		1918
		1919	local $MAP_LOADING{$self->{path}} = $self;
		1920	$f->resolve_delayed_derefs;
		1921
1262	$self->{load_path} = $path;	1922	$self->{load_path} = $path;
1263		1923
1264	1	1924	1
1265	}	1925	}
1266		1926
1267	sub load_orig {	1927	sub load_header_orig {
1268	my ($self) = @_;	1928	my ($self) = @_;
1269		1929
1270	$self->load_header_from ($self->load_path)	1930	$self->load_header_from ($self->load_path)
1271	}	1931	}
1272		1932
1273	sub load_temp {	1933	sub load_header_temp {
1274	my ($self) = @_;	1934	my ($self) = @_;
1275		1935
1276	$self->load_header_from ($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	$self->instantiate;
1277	}	1956	}
1278		1957
1279	sub load_header {	1958	sub load_header {
1280	my ($self) = @_;	1959	my ($self) = @_;
1281		1960
1282	if ($self->load_temp) {	1961	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1962	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1963	} else {
1289	$self->load_orig	1964	$self->load_header_orig
1290	or return;	1965	or return;
1291		1966	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	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 $self->default_region;
1297		1974
1298	1	1975	1
1299	}	1976	}
1300		1977
1301	sub find;	1978	sub find;
1302	sub find {	1979	sub find {
1303	my ($path, $origin) = @_;	1980	my ($path, $origin) = @_;
1304		1981
1305	$path = normalise $path, $origin && $origin->path;	1982	$path = normalise $path, $origin && $origin->path;
1306		1983
		1984	cf::lock_wait "map_data:$path";#d#remove
1307	cf::lock_wait "map_find:$path";	1985	cf::lock_wait "map_find:$path";
1308		1986
1309	$cf::MAP{$path} || do {	1987	$cf::MAP{$path} || do {
1310	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
1311	my $map = new_from_path cf::map $path	1991	my $map = new_from_path cf::map $path
1312	or return;	1992	or return;
1313		1993
1314	$map->{last_save} = $cf::RUNTIME;	1994	$map->{last_save} = $cf::RUNTIME;
1315		1995
1316	$map->load_header	1996	$map->load_header
1317	or return;	1997	or return;
1318		1998
1319	if ($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;
1320	$map->reset;	2004	$map->reset;
1321	undef $guard;
1322	$map = find $path	2005	return find $path;
1323	or return;
1324	}	2006	}
1325		2007
1326	$cf::MAP{$path} = $map	2008	$cf::MAP{$path} = $map
1327	}	2009	}
1328	}	2010	}
		2011
		2012	sub pre_load { }
		2013	sub post_load { }
1329		2014
1330	sub load {	2015	sub load {
1331	my ($self) = @_;	2016	my ($self) = @_;
1332		2017
		2018	local $self->{deny_reset} = 1; # loading can take a long time
		2019
1333	my $path = $self->{path};	2020	my $path = $self->{path};
		2021
		2022	{
1334	my $guard = cf::lock_acquire "map_load:$path";	2023	my $guard = cf::lock_acquire "map_data:$path";
1335		2024
		2025	return unless $self->valid;
1336	return if $self->in_memory != cf::MAP_SWAPPED;	2026	return unless $self->in_memory == cf::MAP_SWAPPED;
1337		2027
1338	$self->in_memory (cf::MAP_LOADING);	2028	$self->in_memory (cf::MAP_LOADING);
1339		2029
1340	$self->alloc;	2030	$self->alloc;
1341	$self->_load_objects ($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)
1342	or return;	2038	or return;
1343		2039
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2040	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1345	if delete $self->{load_original};	2041	if delete $self->{load_original};
1346		2042
1347	if (my $uniq = $self->uniq_path) {	2043	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;	2044	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {	2045	unless (aio_stat $uniq) {
		2046	if (my $f = new_from_file cf::object::thawer $uniq) {
1350	$self->clear_unique_items;	2047	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);	2048	$self->_load_objects ($f);
		2049	$f->resolve_delayed_derefs;
		2050	}
1352	}	2051	}
1353	}	2052	}
1354		2053
1355	Coro::cede;	2054	$f->resolve_delayed_derefs;
1356		2055
		2056	cf::cede_to_tick;
1357	# now do the right thing for maps	2057	# now do the right thing for maps
1358	$self->link_multipart_objects;	2058	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;
1365	$self->set_darkness_map;
1366	$self->difficulty ($self->estimate_difficulty)	2059	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	2060	unless $self->difficulty;
1368	Coro::cede;	2061	cf::cede_to_tick;
		2062
		2063	unless ($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;
1369	$self->activate;	2070	$self->activate;
1370	}	2071	}
1371		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
1372	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_IN_MEMORY);
		2077	}
		2078
		2079	$self->post_load;
1373	}	2080	}
1374		2081
1375	sub customise_for {	2082	sub customise_for {
1376	my ($self, $ob) = @_;	2083	my ($self, $ob) = @_;
1377		2084
1378	return find "~" . $ob->name . "/" . $self->{path}	2085	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	2086	if $self->per_player;
1380		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
1381	$self	2091	$self
1382	}	2092	}
1383		2093
1384	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1385	sub load_diag {	2095	sub load_neighbours {
1386	my ($map) = @_;	2096	my ($map) = @_;
1387		2097
1388	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1389		2099
1390	for (0 .. 3) {	2100	for (0 .. 3) {
1391	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1392	or next;	2102	or next;
1393	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1394	or next;	2104	or next;
1395	$neigh->load;	2105	$neigh->load;
1396		2106
		2107	push @neigh,
1397	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1398	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1399	}	2110	}
1400		2111
1401	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1402	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1403	or next;	2115	or next;
1404	$neigh->load;	2116	$neigh->load;
1405	}	2117	}
1406	}	2118	}
1407		2119
…		…
1412	}	2124	}
1413		2125
1414	sub do_load_sync {	2126	sub do_load_sync {
1415	my ($map) = @_;	2127	my ($map) = @_;
1416		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1417	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1418	}	2133	}
1419		2134
1420	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	2136	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		2137
1434	sub find_async {	2138	sub find_async {
1435	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1436		2140
1437	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1438		2142
1439	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1440	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;
1441	}	2162	};
1442
1443	$MAP_PREFETCH{$path} = 0;
1444	$MAP_PREFETCHER->ready;	2163	$MAP_PREFETCHER->prio (6);
1445		2164
1446	()	2165	()
1447	}	2166	}
1448		2167
1449	sub save {	2168	sub save {
1450	my ($self) = @_;	2169	my ($self) = @_;
1451		2170
1452	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1453		2172
1454	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1455		2174
1456	return unless $self->dirty;	2175	return unless $self->dirty;
1457		2176
…		…
1463	return if $self->{deny_save};	2182	return if $self->{deny_save};
1464		2183
1465	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1466		2185
1467	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1468	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1469	};	2189	};
1470		2190
1471	if ($uniq) {	2191	if ($uniq) {
1472	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2192	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1480	my ($self) = @_;	2200	my ($self) = @_;
1481		2201
1482	# save first because save cedes	2202	# save first because save cedes
1483	$self->save;	2203	$self->save;
1484		2204
1485	my $lock = cf::lock_acquire "map_data:" . $self->path;	2205	my $lock = cf::lock_acquire "map_data:$self->{path}";
1486		2206
1487	return if $self->players;	2207	return if $self->players;
1488	return if $self->in_memory != cf::MAP_IN_MEMORY;	2208	return if $self->in_memory != cf::MAP_IN_MEMORY;
1489	return if $self->{deny_save};	2209	return if $self->{deny_save};
1490		2210
		2211	$self->in_memory (cf::MAP_SWAPPED);
		2212
		2213	$self->deactivate;
		2214	$_->clear_links_to ($self) for values %cf::MAP;
1491	$self->clear;	2215	$self->clear;
1492	$self->in_memory (cf::MAP_SWAPPED);
1493	}	2216	}
1494		2217
1495	sub reset_at {	2218	sub reset_at {
1496	my ($self) = @_;	2219	my ($self) = @_;
1497		2220
1498	# TODO: safety, remove and allow resettable per-player maps	2221	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	2222	return 1e99 if $self->{deny_reset};
1501		2223
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2224	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2225	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		2226
…		…
1509	my ($self) = @_;	2231	my ($self) = @_;
1510		2232
1511	$self->reset_at <= $cf::RUNTIME	2233	$self->reset_at <= $cf::RUNTIME
1512	}	2234	}
1513		2235
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	2236	sub reset {
1529	my ($self) = @_;	2237	my ($self) = @_;
1530		2238
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	2239	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2240
1533	return if $self->players;	2241	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2242
1536	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	}
1537		2254
1538	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1539		2256
1540	$self->in_memory (cf::MAP_SWAPPED);	2257	$self->deactivate;
		2258	$_->clear_links_to ($self) for values %cf::MAP;
1541	$self->clear;	2259	$self->clear;
1542
1543	$_->clear_links_to ($self) for values %cf::MAP;
1544		2260
1545	$self->unlink_save;	2261	$self->unlink_save;
1546	$self->destroy;	2262	$self->destroy;
1547	}	2263	}
1548		2264
1549	my $nuke_counter = "aaaa";	2265	my $nuke_counter = "aaaa";
1550		2266
1551	sub nuke {	2267	sub nuke {
1552	my ($self) = @_;	2268	my ($self) = @_;
1553		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};
1554	$self->{deny_save} = 1;	2279	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2280	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2281	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2282
		2283	$cf::MAP{$self->path} = $self;
		2284	}
		2285
1557	$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	]
1558	}	2323	}
1559		2324
1560	=item cf::map::unique_maps	2325	=item cf::map::unique_maps
1561		2326
1562	Returns an arrayref of paths of all shared maps that have	2327	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2328	instantiated unique items. May block.
1564		2329
1565	=cut	2330	=cut
1566		2331
1567	sub unique_maps() {	2332	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2333	[
1569	or return;	2334	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2335	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	2336	/\.map$/
1579	push @paths, $_;	2337	? normalise $_
		2338	: ()
		2339	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2340	]
1581
1582	\@paths
1583	}	2341	}
1584		2342
1585	package cf;	2343	package cf;
1586		2344
1587	=back	2345	=back
…		…
1605	map { $_, inv_recursive_ $_->inv } @_	2363	map { $_, inv_recursive_ $_->inv } @_
1606	}	2364	}
1607		2365
1608	sub inv_recursive {	2366	sub inv_recursive {
1609	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	}
1610	}	2396	}
1611		2397
1612	package cf;	2398	package cf;
1613		2399
1614	=back	2400	=back
…		…
1633		2419
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2421
1636	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1638	} 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 {
1639	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2434	$self->message ($msg, $flags);
		2435	}
1641	}	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 (@_);
1642	}	2447	}
1643		2448
1644	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1645		2450
1646	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1678	=cut	2483	=cut
1679		2484
1680	sub link_map {	2485	sub link_map {
1681	unless ($LINK_MAP) {	2486	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2487	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2488	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2489	$LINK_MAP->load;
1685	}	2490	}
1686		2491
1687	$LINK_MAP	2492	$LINK_MAP
1688	}	2493	}
…		…
1693	$self->deactivate_recursive;	2498	$self->deactivate_recursive;
1694		2499
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2500	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2501
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2503	if $self->map && $self->map->{path} ne "{link}";
1699		2504
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2505	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2506	}
1702		2507
1703	sub cf::object::player::leave_link {	2508	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2509	my ($self, $map, $x, $y) = @_;
		2510
		2511	return unless $self->contr->active;
1705		2512
1706	my $link_pos = delete $self->{_link_pos};	2513	my $link_pos = delete $self->{_link_pos};
1707		2514
1708	unless ($map) {	2515	unless ($map) {
1709	# restore original map position	2516	# restore original map position
…		…
1723	# use -1 or undef as default coordinates, not 0, 0	2530	# use -1 or undef as default coordinates, not 0, 0
1724	($x, $y) = ($map->enter_x, $map->enter_y)	2531	($x, $y) = ($map->enter_x, $map->enter_y)
1725	if $x <=0 && $y <= 0;	2532	if $x <=0 && $y <= 0;
1726		2533
1727	$map->load;	2534	$map->load;
1728	$map->load_diag;	2535	$map->load_neighbours;
1729		2536
1730	return unless $self->contr->active;	2537	return unless $self->contr->active;
1731	$self->activate_recursive;	2538	$self->activate_recursive;
		2539
		2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
1733	}	2542	}
1734		2543
1735	cf::player->attach (	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1736	on_logout => sub {
1737	my ($pl) = @_;
1738		2545
1739	# abort map switching before logout	2546	Moves the player to the given map-path and coordinates by first freezing
1740	if ($pl->ob->{_link_pos}) {	2547	her, loading and preparing them map, calling the provided $check callback
1741	cf::sync_job {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1742	$pl->ob->leave_link	2549	the new (success) or old (failed) map position. In either case, $done will
1743	};	2550	be called at the end of this process.
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2551
1749	# try to abort aborted map switching on player login :)
1750	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766
1767	=item $player_object->goto ($path, $x, $y)
1768
1769	=cut	2552	=cut
		2553
		2554	our $GOTOGEN;
1770		2555
1771	sub cf::object::player::goto {	2556	sub cf::object::player::goto {
1772	my ($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;
1773		2561
1774	$self->enter_link;	2562	$self->enter_link;
1775		2563
1776	(async {	2564	(async {
1777	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) {
1778	$map = $map->customise_for ($self) if $map;	2590	$map = $map->customise_for ($self);
1779		2591	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2592	} else {
1781	# if $map;
1782
1783	$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	}
1784		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};
1785	$self->leave_link ($map, $x, $y);	2606	$self->leave_link ($map, $x, $y);
		2607	}
		2608
		2609	$done->() if $done;
1786	})->prio (1);	2610	})->prio (1);
1787	}	2611	}
1788		2612
1789	=item $player_object->enter_exit ($exit_object)	2613	=item $player_object->enter_exit ($exit_object)
1790		2614
…		…
1792		2616
1793	sub parse_random_map_params {	2617	sub parse_random_map_params {
1794	my ($spec) = @_;	2618	my ($spec) = @_;
1795		2619
1796	my $rmp = { # defaults	2620	my $rmp = { # defaults
1797	xsize => 10,	2621	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2622	ysize => (cf::rndm 15, 40),
		2623	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2624	#layout => string,
1799	};	2625	};
1800		2626
1801	for (split /\n/, $spec) {	2627	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2628	my ($k, $v) = split /\s+/, $_, 2;
1803		2629
…		…
1807	$rmp	2633	$rmp
1808	}	2634	}
1809		2635
1810	sub prepare_random_map {	2636	sub prepare_random_map {
1811	my ($exit) = @_;	2637	my ($exit) = @_;
		2638
		2639	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2640
1813	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2643	# that depends on the exit object
1816		2644
1817	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
1818		2646
1819	if ($exit->map) {	2647	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2648	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
1824	}	2652	}
1825		2653
1826	$rmp->{random_seed} ||= $exit->random_seed;	2654	$rmp->{random_seed} ||= $exit->random_seed;
1827		2655
1828	my $data = cf::to_json $rmp;	2656	my $data = cf::encode_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2657	my $md5 = Digest::MD5::md5_hex $data;
		2658	my $meta = "$RANDOMDIR/$md5.meta";
1830		2659
1831	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) {
1832	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;
1833		2664
1834	$exit->slaying ("?random/$md5");	2665	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2666	$exit->msg (undef);
1836	}	2667	}
1837	}	2668	}
…		…
1839	sub cf::object::player::enter_exit {	2670	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2671	my ($self, $exit) = @_;
1841		2672
1842	return unless $self->type == cf::PLAYER;	2673	return unless $self->type == cf::PLAYER;
1843		2674
		2675	if ($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
1844	$self->enter_link;	2686	$self->enter_link;
1845		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
1846	(async {	2692	(async {
		2693	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2694
1847	$self->deactivate_recursive; # just to be sure	2695	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2696	unless (eval {
1849	prepare_random_map $exit	2697	$self->goto ($slaying, $hp, $sp);
1850	if $exit->slaying eq "/!";
1851
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854		2698
1855	1;	2699	1;
1856	}) {	2700	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "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. "
1859	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2705
1862	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2707	$self->leave_link;
1864	}	2708	}
1865	})->prio (1);	2709	})->prio (1);
…		…
1878		2722
1879	sub cf::client::send_drawinfo {	2723	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2724	my ($self, $text, $flags) = @_;
1881		2725
1882	utf8::encode $text;	2726	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2728	}
1885		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	}
1886		2888
1887	=item $success = $client->query ($flags, "text", \&cb)	2889	=item $success = $client->query ($flags, "text", \&cb)
1888		2890
1889	Queues a query to the client, calling the given callback with	2891	Queues a query to the client, calling the given callback with
1890	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2892	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1891	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2893	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1892		2894
1893	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
1894	reliable at some point in the future.	2896	become reliable at some point in the future.
1895		2897
1896	=cut	2898	=cut
1897		2899
1898	sub cf::client::query {	2900	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	2901	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	2909	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2910	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		2911
1910	$self->send_packet ($self->{query_queue}[0][0])	2912	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	2913	if @{ $self->{query_queue} } == 1;
		2914
		2915	1
1912	}	2916	}
1913		2917
1914	cf::client->attach (	2918	cf::client->attach (
		2919	on_connect => sub {
		2920	my ($ns) = @_;
		2921
		2922	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2923	},
1915	on_reply => sub {	2924	on_reply => sub {
1916	my ($ns, $msg) = @_;	2925	my ($ns, $msg) = @_;
1917		2926
1918	# this weird shuffling is so that direct followup queries	2927	# this weird shuffling is so that direct followup queries
1919	# get handled first	2928	# get handled first
1920	my $queue = delete $ns->{query_queue}	2929	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2930	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2931
1923	(shift @$queue)->[1]->($msg);	2932	(shift @$queue)->[1]->($msg);
		2933	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2934
1925	push @{ $ns->{query_queue} }, @$queue;	2935	push @{ $ns->{query_queue} }, @$queue;
1926		2936
1927	if (@{ $ns->{query_queue} } == @$queue) {	2937	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2938	if (@$queue) {
…		…
1930	} else {	2940	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2941	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	2942	}
1933	}	2943	}
1934	},	2944	},
		2945	on_exticmd => sub {
		2946	my ($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	},
1935	);	2971	);
1936		2972
1937	=item $client->async (\&cb)	2973	=item $client->async (\&cb)
1938		2974
1939	Create a new coroutine, running the specified callback. The coroutine will	2975	Create a new coroutine, running the specified callback. The coroutine will
…		…
1980	our $safe = new Safe "safe";	3016	our $safe = new Safe "safe";
1981	our $safe_hole = new Safe::Hole;	3017	our $safe_hole = new Safe::Hole;
1982		3018
1983	$SIG{FPE} = 'IGNORE';	3019	$SIG{FPE} = 'IGNORE';
1984		3020
1985	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3021	$safe->permit_only (Opcode::opset qw(
		3022	:base_core :base_mem :base_orig :base_math
		3023	grepstart grepwhile mapstart mapwhile
		3024	sort time
		3025	));
1986		3026
1987	# here we export the classes and methods available to script code	3027	# here we export the classes and methods available to script code
1988		3028
1989	=pod	3029	=pod
1990		3030
1991	The following fucntions and emthods are available within a safe environment:	3031	The following functions and methods are available within a safe environment:
1992		3032
1993	cf::object contr pay_amount pay_player map	3033	cf::object
		3034	contr pay_amount pay_player map x y force_find force_add destroy
		3035	insert remove name archname title slaying race decrease_ob_nr
		3036
1994	cf::object::player player	3037	cf::object::player
1995	cf::player peaceful	3038	player
1996	cf::map trigger	3039
		3040	cf::player
		3041	peaceful
		3042
		3043	cf::map
		3044	trigger
1997		3045
1998	=cut	3046	=cut
1999		3047
2000	for (	3048	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	3049	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3050	insert remove inv name archname title slaying race
		3051	decrease_ob_nr destroy)],
2002	["cf::object::player" => qw(player)],	3052	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	3053	["cf::player" => qw(peaceful)],
2004	["cf::map" => qw(trigger)],	3054	["cf::map" => qw(trigger)],
2005	) {	3055	) {
2006	no strict 'refs';	3056	no strict 'refs';
…		…
2077	=back	3127	=back
2078		3128
2079	=cut	3129	=cut
2080		3130
2081	#############################################################################	3131	#############################################################################
		3132	# the server's init and main functions
2082		3133
2083	=head2 EXTENSION DATABASE SUPPORT	3134	sub load_facedata($) {
		3135	my ($path) = @_;
2084		3136
2085	Crossfire maintains a very simple database for extension use. It can	3137	# HACK to clear player env face cache, we need some signal framework
2086	currently store anything that can be serialised using Storable, which	3138	# for this (global event?)
2087	excludes objects.	3139	%ext::player_env::MUSIC_FACE_CACHE = ();
2088		3140
2089	The parameter C<$family> should best start with the name of the extension	3141	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2090	using it, it should be unique.
2091		3142
2092	=over 4	3143	warn "loading facedata from $path\n";
2093		3144
2094	=item $hashref = cf::db_get $family	3145	my $facedata;
		3146	0 < aio_load $path, $facedata
		3147	or die "$path: $!";
2095		3148
2096	Return a hashref for use by the extension C<$family>, which can be	3149	$facedata = Coro::Storable::thaw $facedata;
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099		3150
2100	=item $value = cf::db_get $family => $key	3151	$facedata->{version} == 2
		3152	or cf::cleanup "$path: version mismatch, cannot proceed.";
2101		3153
2102	Returns a single value from the database	3154	# patch in the exptable
2103		3155	$facedata->{resource}{"res/exp_table"} = {
2104	=item cf::db_put $family => $hashref	3156	type => FT_RSRC,
2105		3157	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108
2109	=item cf::db_put $family => $key => $value
2110
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121
2122	=cut
2123
2124	our $DB;
2125
2126	{
2127	my $path = cf::localdir . "/database.pst";
2128
2129	sub db_load() {
2130	$DB = stat $path ? Storable::retrieve $path : { };
2131	}
2132
2133	my $pid;
2134
2135	sub db_save() {
2136	waitpid $pid, 0 if $pid;
2137	if (0 == ($pid = fork)) {
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});	3158	};
		3159	cf::cede_to_tick;
2155		3160
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}	3161	{
		3162	my $faces = $facedata->{faceinfo};
2160		3163
2161	sub db_get($;$) {	3164	while (my ($face, $info) = each %$faces) {
2162	@_ >= 2	3165	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2163	? $DB->{$_[0]}{$_[1]}
2164	: ($DB->{$_[0]} ||= { })
2165	}
2166		3166
2167	sub db_put($$;$) {	3167	cf::face::set_visibility $idx, $info->{visibility};
2168	if (@_ >= 3) {	3168	cf::face::set_magicmap $idx, $info->{magicmap};
2169	$DB->{$_[0]}{$_[1]} = $_[2];	3169	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2170	} else {	3170	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175		3171
2176	cf::global->attach (	3172	cf::cede_to_tick;
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	3173	}
2181	);
2182	}
2183		3174
2184	#############################################################################	3175	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	3176	next unless $info->{smooth};
2186		3177
2187	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 {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	3320	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	3321	or return;
2190		3322
2191	local $/;	3323	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	3324	*CFG = YAML::Load <$fh>;
2193		3325
2194	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3326	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2195		3327
2196	$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};
2197	$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};
…		…
2207		3339
2208	sub main {	3340	sub main {
2209	# we must not ever block the main coroutine	3341	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	3342	local $Coro::idle = sub {
2211	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#
2212	async { Event::one_event };	3344	(async {
		3345	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3346	EV::loop EV::LOOP_ONESHOT;
		3347	})->prio (Coro::PRIO_MAX);
2213	};	3348	};
2214		3349
2215	cfg_load;	3350	reload_config;
2216	db_load;	3351	db_init;
2217	load_extensions;	3352	load_extensions;
		3353
		3354	$TICK_WATCHER->start;
		3355	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2218	Event::loop;	3356	EV::loop;
2219	}	3357	}
2220		3358
2221	#############################################################################	3359	#############################################################################
2222	# initialisation and cleanup	3360	# initialisation and cleanup
2223		3361
2224	# install some emergency cleanup handlers	3362	# install some emergency cleanup handlers
2225	BEGIN {	3363	BEGIN {
		3364	our %SIGWATCHER = ();
2226	for my $signal (qw(INT HUP TERM)) {	3365	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	3366	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2228	data => WF_AUTOCANCEL,
2229	signal => $signal,
2230	cb => sub {
2231	cf::cleanup "SIG$signal";	3367	cf::cleanup "SIG$signal";
2232	},
2233	);	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
2234	}	3407	1
2235	}	3408	}
2236		3409
2237	sub emergency_save() {	3410	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	3411	my $freeze_guard = cf::freeze_mainloop;
2239		3412
…		…
2245	# and maps saved/destroyed asynchronously.	3418	# and maps saved/destroyed asynchronously.
2246	warn "begin emergency player save\n";	3419	warn "begin emergency player save\n";
2247	for my $login (keys %cf::PLAYER) {	3420	for my $login (keys %cf::PLAYER) {
2248	my $pl = $cf::PLAYER{$login} or next;	3421	my $pl = $cf::PLAYER{$login} or next;
2249	$pl->valid or next;	3422	$pl->valid or next;
		3423	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2250	$pl->save;	3424	$pl->save;
2251	}	3425	}
2252	warn "end emergency player save\n";	3426	warn "end emergency player save\n";
2253		3427
2254	warn "begin emergency map save\n";	3428	warn "begin emergency map save\n";
…		…
2256	my $map = $cf::MAP{$path} or next;	3430	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	3431	$map->valid or next;
2258	$map->save;	3432	$map->save;
2259	}	3433	}
2260	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";
2261	};	3439	};
2262		3440
2263	warn "leave emergency perl save\n";	3441	warn "leave emergency perl save\n";
2264	}	3442	}
2265		3443
		3444	sub post_cleanup {
		3445	my ($make_core) = @_;
		3446
		3447	warn Carp::longmess "post_cleanup backtrace"
		3448	if $make_core;
		3449	}
		3450
2266	sub reload() {	3451	sub do_reload_perl() {
2267	# can/must only be called in main	3452	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	3453	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	3454	warn "can only reload from main coroutine";
2270	return;	3455	return;
2271	}	3456	}
2272		3457
2273	warn "reloading...";	3458	warn "reloading...";
2274		3459
2275	warn "freezing server";	3460	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	3461
		3462	cf::sync_job {
		3463	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	3464	cf::emergency_save;
		3465	cf::write_runtime; # external watchdog should not bark
2278		3466
2279	warn "sync database to disk";	3467	warn "syncing database to disk";
2280	cf::db_sync;	3468	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		3469
2283	eval {
2284	# 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
2285		3471
2286	warn "cancel all watchers";	3472	warn "flushing outstanding aio requests";
2287	for (Event::all_watchers) {	3473	for (;;) {
2288	$_->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...";
2289	}	3479	}
2290		3480
		3481	++$RELOAD;
		3482
2291	warn "cancel all extension coros";	3483	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	3484	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	3485	%EXT_CORO = ();
2294		3486
2295	warn "remove commands";	3487	warn "removing commands";
2296	%COMMAND = ();	3488	%COMMAND = ();
2297		3489
2298	warn "remove ext commands";	3490	warn "removing ext/exti commands";
2299	%EXTCMD = ();	3491	%EXTCMD = ();
		3492	%EXTICMD = ();
2300		3493
2301	warn "unload/nuke all extensions";	3494	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	3495	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	3496	warn "... unloading $pkg";
2304		3497
2305	if (my $cb = $pkg->can ("unload")) {	3498	if (my $cb = $pkg->can ("unload")) {
2306	eval {	3499	eval {
…		…
2311		3504
2312	warn "... nuking $pkg";	3505	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	3506	Symbol::delete_package $pkg;
2314	}	3507	}
2315		3508
2316	warn "unload all perl modules loaded from $LIBDIR";	3509	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	3510	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3511	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		3512
2320	warn "removing <$k>";	3513	warn "... unloading $k";
2321	delete $INC{$k};	3514	delete $INC{$k};
2322		3515
2323	$k =~ s/\.pm$//;	3516	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	3517	$k =~ s/\//::/g;
2325		3518
…		…
2328	}	3521	}
2329		3522
2330	Symbol::delete_package $k;	3523	Symbol::delete_package $k;
2331	}	3524	}
2332		3525
2333	warn "get rid of safe::, as good as possible";	3526	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3527	Symbol::delete_package "safe::$_"
2335	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);
2336		3529
2337	warn "unload cf.pm \"a bit\"";	3530	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3531	delete $INC{"cf.pm"};
		3532	delete $INC{"cf/pod.pm"};
2339		3533
2340	# don't, removes xs symbols, too,	3534	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3535	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3536	#Symbol::delete_package __PACKAGE__;
2343		3537
		3538	warn "unload completed, starting to reload now";
		3539
2344	warn "reloading cf.pm";	3540	warn "reloading cf.pm";
2345	require cf;	3541	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3542	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		3543
2348	warn "load config and database again";	3544	warn "loading config and database again";
2349	cf::cfg_load;	3545	cf::reload_config;
2350	cf::db_load;
2351		3546
2352	warn "load extensions";	3547	warn "loading extensions";
2353	cf::load_extensions;	3548	cf::load_extensions;
2354		3549
2355	warn "reattach attachments to objects/players";	3550	warn "reattaching attachments to objects/players";
2356	_global_reattach;	3551	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3552	warn "reattaching attachments to maps";
2358	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.";
2359	};	3563	};
2360
2361	if ($@) {
2362	warn $@;
2363	warn "error while reloading, exiting.";
2364	exit 1;
2365	}
2366		3564
2367	warn "reloaded";	3565	warn "reloaded";
2368	};	3566	};
2369		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
2370	register_command "reload" => sub {	3580	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	3581	my ($who, $arg) = @_;
2372		3582
2373	if ($who->flag (FLAG_WIZ)) {	3583	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	3584	$who->message ("reloading server.");
		3585	async {
		3586	$Coro::current->{desc} = "perl_reload";
		3587	reload_perl;
		3588	};
2377	}	3589	}
2378	};	3590	};
2379		3591
2380	unshift @INC, $LIBDIR;	3592	unshift @INC, $LIBDIR;
2381		3593
2382	$TICK_WATCHER = Event->timer (	3594	my $bug_warning = 0;
2383	reentrant => 0,
2384	prio => 0,
2385	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,
2387	cb => sub {
2388	$NOW = Event::time;
2389		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
2390	cf::server_tick; # one server iteration	3626	cf::server_tick; # one server iteration
		3627
2391	$RUNTIME += $TICK;	3628	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	3629	$NEXT_TICK = $_[0]->at;
2393		3630
2394	$WAIT_FOR_TICK->broadcast;	3631	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3632	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2396		3633	Coro::async_pool {
2397	# if we are delayed by four ticks or more, skip them all	3634	$Coro::current->{desc} = "runtime saver";
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2399
2400	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;
2402	},
2403	);
2404
2405	IO::AIO::max_poll_time $TICK * 0.2;
2406
2407	Event->io (
2408	fd => IO::AIO::poll_fileno,
2409	poll => 'r',
2410	prio => 5,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,
2417	after => 0,
2418	interval => 10,
2419	cb => sub {
2420	(Coro::unblock_sub {
2421	write_runtime	3635	write_runtime
2422	or warn "ERROR: unable to write runtime file: $!";	3636	or warn "ERROR: unable to write runtime file: $!";
2423	})->();	3637	};
2424	},	3638	}
2425	);	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;
2426		3745
2427	END { cf::emergency_save }	3746	END { cf::emergency_save }
2428		3747
2429	1	3748	1
2430		3749

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines