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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.173 by root, Sun Jan 14 18:00:34 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;
49	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	77	our $NEXT_TICK;
52	our $NOW;	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
		84	our $DB_ENV;
53		85
54	our %CFG;	86	our %CFG;
55		87
56	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
58		91
59	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	133	every server tick.
102		134
103	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
115		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
140	LOG llevError, $msg;	192	LOG llevError, $msg;
141	};	193	};
142	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	return unless $^S eq 0; # "eq", not "=="
		198
		199	if ($Coro::current == $Coro::main) {#d#
		200	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		201	return;#d#
		202	}#d#
		203
		204	# kill coroutine otherwise
		205	warn Carp::longmess $_[0];
		206	Coro::terminate
		207	};
		208
		209	$SIG{__DIE__} = sub { }; #d#?
143		210
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	215	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		216	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	217	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		218
151	# we bless all objects into (empty) derived classes to force a method lookup	219	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	220	# within the Safe compartment.
153	for my $pkg (qw(	221	for my $pkg (qw(
154	cf::global cf::attachable	222	cf::global cf::attachable
…		…
159	)) {	227	)) {
160	no strict 'refs';	228	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	230	}
163		231
164	$Event::DIED = sub {	232	$EV::DIED = sub {
165	warn "error in event callback: @_";	233	warn "error in event callback: @_";
166	};	234	};
		235
		236	#############################################################################
167		237
168	=head2 UTILITY FUNCTIONS	238	=head2 UTILITY FUNCTIONS
169		239
170	=over 4	240	=over 4
171		241
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	260	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	261	$d
192	} || "[unable to dump $_[0]: '$@']";	262	} || "[unable to dump $_[0]: '$@']";
193	}	263	}
194		264
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	265	=item $ref = cf::decode_json $json
198		266
199	Converts a JSON string into the corresponding perl data structure.	267	Converts a JSON string into the corresponding perl data structure.
200		268
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	269	=item $json = cf::encode_json $ref
209		270
210	Converts a perl data structure into its JSON representation.	271	Converts a perl data structure into its JSON representation.
211		272
212	=cut	273	=cut
213		274
214	sub to_json($) {	275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	276
216	JSON::Syck::Dump $_[0]	277	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	278	sub decode_json($) { $json_coder->decode ($_[0]) }
218		279
219	=item cf::lock_wait $string	280	=item cf::lock_wait $string
220		281
221	Wait until the given lock is available. See cf::lock_acquire.	282	Wait until the given lock is available. See cf::lock_acquire.
222		283
…		…
225	Wait until the given lock is available and then acquires it and returns	286	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	287	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	288	for example when the coroutine gets canceled), the lock is automatically
228	returned.	289	returned.
229		290
		291	Locks are *not* recursive, locking from the same coro twice results in a
		292	deadlocked coro.
		293
230	Lock names should begin with a unique identifier (for example, cf::map::find	294	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	295	uses map_find and cf::map::load uses map_load).
232		296
		297	=item $locked = cf::lock_active $string
		298
		299	Return true if the lock is currently active, i.e. somebody has locked it.
		300
233	=cut	301	=cut
234		302
235	our %LOCK;	303	our %LOCK;
		304	our %LOCKER;#d#
236		305
237	sub lock_wait($) {	306	sub lock_wait($) {
238	my ($key) = @_;	307	my ($key) = @_;
		308
		309	if ($LOCKER{$key} == $Coro::current) {#d#
		310	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		311	return;#d#
		312	}#d#
239		313
240	# wait for lock, if any	314	# wait for lock, if any
241	while ($LOCK{$key}) {	315	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	316	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	317	Coro::schedule;
…		…
249		323
250	# wait, to be sure we are not locked	324	# wait, to be sure we are not locked
251	lock_wait $key;	325	lock_wait $key;
252		326
253	$LOCK{$key} = [];	327	$LOCK{$key} = [];
		328	$LOCKER{$key} = $Coro::current;#d#
254		329
255	Coro::guard {	330	Coro::guard {
		331	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	332	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	333	$_->ready for @{ delete $LOCK{$key} };
258	}	334	}
259	}	335	}
260		336
		337	sub lock_active($) {
		338	my ($key) = @_;
		339
		340	! ! $LOCK{$key}
		341	}
		342
261	sub freeze_mainloop {	343	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	344	return unless $TICK_WATCHER->is_active;
263		345
264	my $guard = Coro::guard {	346	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	347	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	348	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	349	$TICK_WATCHER->stop;
270	$guard	350	$guard
		351	}
		352
		353	=item cf::periodic $interval, $cb
		354
		355	Like EV::periodic, but randomly selects a starting point so that the actions
		356	get spread over timer.
		357
		358	=cut
		359
		360	sub periodic($$) {
		361	my ($interval, $cb) = @_;
		362
		363	my $start = rand List::Util::min 180, $interval;
		364
		365	EV::periodic $start, $interval, 0, $cb
		366	}
		367
		368	=item cf::get_slot $time[, $priority[, $name]]
		369
		370	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		371	This call blocks and returns only when you have at least C<$time> seconds
		372	of cpu time till the next tick. The slot is only valid till the next cede.
		373
		374	The optional C<$name> can be used to identify the job to run. It might be
		375	used for statistical purposes and should identify the same time-class.
		376
		377	Useful for short background jobs.
		378
		379	=cut
		380
		381	our @SLOT_QUEUE;
		382	our $SLOT_QUEUE;
		383
		384	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		385	$SLOT_QUEUE = Coro::async {
		386	$Coro::current->desc ("timeslot manager");
		387
		388	my $signal = new Coro::Signal;
		389
		390	while () {
		391	next_job:
		392	my $avail = cf::till_tick;
		393	if ($avail > 0.01) {
		394	for (0 .. $#SLOT_QUEUE) {
		395	if ($SLOT_QUEUE[$_][0] < $avail) {
		396	my $job = splice @SLOT_QUEUE, $_, 1, ();
		397	$job->[2]->send;
		398	Coro::cede;
		399	goto next_job;
		400	}
		401	}
		402	}
		403
		404	if (@SLOT_QUEUE) {
		405	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		406	push @cf::WAIT_FOR_TICK, $signal;
		407	$signal->wait;
		408	} else {
		409	Coro::schedule;
		410	}
		411	}
		412	};
		413
		414	sub get_slot($;$$) {
		415	my ($time, $pri, $name) = @_;
		416
		417	$time = $TICK * .6 if $time > $TICK * .6;
		418	my $sig = new Coro::Signal;
		419
		420	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		421	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		422	$SLOT_QUEUE->ready;
		423	$sig->wait;
271	}	424	}
272		425
273	=item cf::async { BLOCK }	426	=item cf::async { BLOCK }
274		427
275	Currently the same as Coro::async_pool, meaning you cannot use	428	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		433
281	BEGIN { *async = \&Coro::async_pool }	434	BEGIN { *async = \&Coro::async_pool }
282		435
283	=item cf::sync_job { BLOCK }	436	=item cf::sync_job { BLOCK }
284		437
285	The design of crossfire+ requires that the main coro ($Coro::main) is	438	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	439	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	440	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		441	acceptable.
288		442
289	If it must be done, put the blocking parts into C<sync_job>. This will run	443	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	444	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	445	server will be frozen during this time, so the block should either finish
292	fast or be very important.	446	fast or be very important.
…		…
295		449
296	sub sync_job(&) {	450	sub sync_job(&) {
297	my ($job) = @_;	451	my ($job) = @_;
298		452
299	if ($Coro::current == $Coro::main) {	453	if ($Coro::current == $Coro::main) {
		454	my $time = EV::time;
		455
300	# this is the main coro, too bad, we have to block	456	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	457	# till the operation succeeds, freezing the server :/
302		458
		459	LOG llevError, Carp::longmess "sync job";#d#
		460
303	# TODO: use suspend/resume instead	461	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	462	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	463	my $freeze_guard = freeze_mainloop;
306		464
307	my $busy = 1;	465	my $busy = 1;
308	my @res;	466	my @res;
309		467
310	(async {	468	(async {
		469	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	470	@res = eval { $job->() };
312	warn $@ if $@;	471	warn $@ if $@;
313	undef $busy;	472	undef $busy;
314	})->prio (Coro::PRIO_MAX);	473	})->prio (Coro::PRIO_MAX);
315		474
316	while ($busy) {	475	while ($busy) {
317	Coro::cede or Event::one_event;	476	if (Coro::nready) {
		477	Coro::cede_notself;
		478	} else {
		479	EV::loop EV::LOOP_ONESHOT;
318	}	480	}
		481	}
		482
		483	$time = EV::time - $time;
		484
		485	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		486	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		487
		488	$tick_start += $time; # do not account sync jobs to server load
319		489
320	wantarray ? @res : $res[0]	490	wantarray ? @res : $res[0]
321	} else {	491	} else {
322	# we are in another coroutine, how wonderful, everything just works	492	# we are in another coroutine, how wonderful, everything just works
323		493
…		…
343	$EXT_CORO{$coro+0} = $coro;	513	$EXT_CORO{$coro+0} = $coro;
344		514
345	$coro	515	$coro
346	}	516	}
347		517
348	sub write_runtime {	518	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		519
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	520	Executes the given code block with the given arguments in a seperate
352	or return;	521	process, returning the results. Everything must be serialisable with
		522	Coro::Storable. May, of course, block. Note that the executed sub may
		523	never block itself or use any form of event handling.
353		524
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	525	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		526
358	aio_fsync $fh	527	sub fork_call(&@) {
359	and return;	528	my ($cb, @args) = @_;
360		529
361	close $fh	530	# we seemingly have to make a local copy of the whole thing,
362	or return;	531	# otherwise perl prematurely frees the stuff :/
		532	# TODO: investigate and fix (likely this will be rather laborious)
363		533
364	aio_rename "$runtime~", $runtime	534	my @res = Coro::Util::fork_eval {
365	and return;	535	reset_signals;
		536	&$cb
		537	}, @args;
366		538
		539	wantarray ? @res : $res[-1]
		540	}
		541
		542	=item $value = cf::db_get $family => $key
		543
		544	Returns a single value from the environment database.
		545
		546	=item cf::db_put $family => $key => $value
		547
		548	Stores the given C<$value> in the family. It can currently store binary
		549	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		550
		551	=item $db = cf::db_table "name"
		552
		553	Create and/or open a new database table. The string must not be "db" and must be unique
		554	within each server.
		555
		556	=cut
		557
		558	sub db_table($) {
		559	my ($name) = @_;
		560	my $db = BDB::db_create $DB_ENV;
		561
		562	eval {
		563	$db->set_flags (BDB::CHKSUM);
		564
		565	utf8::encode $name;
		566	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		567	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		568	cf::cleanup "db_open(db): $!" if $!;
		569	};
		570	cf::cleanup "db_open(db): $@" if $@;
		571
		572	$db
		573	}
		574
		575	our $DB;
		576
		577	sub db_init {
		578	cf::sync_job {
		579	$DB ||= db_table "db";
		580	};
		581	}
		582
		583	sub db_get($$) {
		584	my $key = "$_[0]/$_[1]";
		585
		586	cf::sync_job {
		587	BDB::db_get $DB, undef, $key, my $data;
		588
		589	$! ? ()
		590	: $data
367	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		595	BDB::dbreq_pri 4;
		596	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		597	}
		598
		599	=item cf::cache $id => [$paths...], $processversion => $process
		600
		601	Generic caching function that returns the value of the resource $id,
		602	caching and regenerating as required.
		603
		604	This function can block.
		605
		606	=cut
		607
		608	sub cache {
		609	my ($id, $src, $processversion, $process) = @_;
		610
		611	my $meta =
		612	join "\x00",
		613	$processversion,
		614	map {
		615	aio_stat $_
		616	and Carp::croak "$_: $!";
		617
		618	($_, (stat _)[7,9])
		619	} @$src;
		620
		621	my $dbmeta = db_get cache => "$id/meta";
		622	if ($dbmeta ne $meta) {
		623	# changed, we may need to process
		624
		625	my @data;
		626	my $md5;
		627
		628	for (0 .. $#$src) {
		629	0 <= aio_load $src->[$_], $data[$_]
		630	or Carp::croak "$src->[$_]: $!";
		631	}
		632
		633	# if processing is expensive, check
		634	# checksum first
		635	if (1) {
		636	$md5 =
		637	join "\x00",
		638	$processversion,
		639	map {
		640	cf::cede_to_tick;
		641	($src->[$_], Digest::MD5::md5_hex $data[$_])
		642	} 0.. $#$src;
		643
		644
		645	my $dbmd5 = db_get cache => "$id/md5";
		646	if ($dbmd5 eq $md5) {
		647	db_put cache => "$id/meta", $meta;
		648
		649	return db_get cache => "$id/data";
		650	}
		651	}
		652
		653	my $t1 = Time::HiRes::time;
		654	my $data = $process->(\@data);
		655	my $t2 = Time::HiRes::time;
		656
		657	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		658
		659	db_put cache => "$id/data", $data;
		660	db_put cache => "$id/md5" , $md5;
		661	db_put cache => "$id/meta", $meta;
		662
		663	return $data;
		664	}
		665
		666	db_get cache => "$id/data"
		667	}
		668
		669	=item cf::datalog type => key => value, ...
		670
		671	Log a datalog packet of the given type with the given key-value pairs.
		672
		673	=cut
		674
		675	sub datalog($@) {
		676	my ($type, %kv) = @_;
		677	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	678	}
369		679
370	=back	680	=back
371		681
372	=cut	682	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	689	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
381		691
382	In the following description, CLASS can be any of C<global>, C<object>	692	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	693	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	694	Deliantra).
385		695
386	=over 4	696	=over 4
387		697
388	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
389		699
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	862	$registry = $CB_TYPE[$object_type] ||= [];
553		863
554	} elsif ($type eq "subtype") {	864	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	865	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	866	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	867	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		868
559	} elsif ($type eq "package") {	869	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	870	my $pkg = shift @arg;
561		871
562	while (my ($name, $id) = each %cb_id) {	872	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
592	}	902	}
593		903
594	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
595	} else {	905	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	907	}
598		908
599	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
600	}	910	}
601		911
…		…
603	if (ref $_[0]) {	913	if (ref $_[0]) {
604	_object_attach @_;	914	_object_attach @_;
605	} else {	915	} else {
606	_attach shift->_attach_registry, @_;	916	_attach shift->_attach_registry, @_;
607	}	917	}
		918	_recalc_want;
608	};	919	};
609		920
610	# all those should be optimised	921	# all those should be optimised
611	sub cf::attachable::detach {	922	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	926	delete $obj->{_attachment}{$name};
616	reattach ($obj);	927	reattach ($obj);
617	} else {	928	} else {
618	Carp::croak "cannot, currently, detach class attachments";	929	Carp::croak "cannot, currently, detach class attachments";
619	}	930	}
		931	_recalc_want;
620	};	932	};
621		933
622	sub cf::attachable::attached {	934	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
624		936
…		…
639	";	951	";
640	die if $@;	952	die if $@;
641	}	953	}
642		954
643	our $override;	955	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	956	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		957
646	sub override {	958	sub override {
647	$override = 1;	959	$override = 1;
648	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
649	}	961	}
650		962
651	sub do_invoke {	963	sub do_invoke {
652	my $event = shift;	964	my $event = shift;
653	my $callbacks = shift;	965	my $callbacks = shift;
654		966
655	@invoke_results = ();	967	@INVOKE_RESULTS = ();
656		968
657	local $override;	969	local $override;
658		970
659	for (@$callbacks) {	971	for (@$callbacks) {
660	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
669	}	981	}
670		982
671	0	983	0
672	}	984	}
673		985
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		987
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		989
678	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
679		991
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	992	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	993	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		995
684	=back	996	=back
685		997
686	=cut	998	=cut
687		999
688	#############################################################################	1000	#############################################################################
689	# object support	1001	# object support
		1002
		1003	sub _object_equal($$);
		1004	sub _object_equal($$) {
		1005	my ($a, $b) = @_;
		1006
		1007	return 0 unless (ref $a) eq (ref $b);
		1008
		1009	if ("HASH" eq ref $a) {
		1010	my @ka = keys %$a;
		1011	my @kb = keys %$b;
		1012
		1013	return 0 if @ka != @kb;
		1014
		1015	for (0 .. $#ka) {
		1016	return 0 unless $ka[$_] eq $kb[$_];
		1017	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1018	}
		1019
		1020	} elsif ("ARRAY" eq ref $a) {
		1021
		1022	return 0 if @$a != @$b;
		1023
		1024	for (0 .. $#$a) {
		1025	return 0 unless _object_equal $a->[$_], $b->[$_];
		1026	}
		1027
		1028	} elsif ($a ne $b) {
		1029	return 0;
		1030	}
		1031
		1032	1
		1033	}
		1034
		1035	our $SLOW_MERGES;#d#
		1036	sub _can_merge {
		1037	my ($ob1, $ob2) = @_;
		1038
		1039	++$SLOW_MERGES;#d#
		1040
		1041	# we do the slow way here
		1042	return _object_equal $ob1, $ob2
		1043	}
690		1044
691	sub reattach {	1045	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1047	my ($obj) = @_;
694		1048
…		…
715	cf::attachable->attach (	1069	cf::attachable->attach (
716	prio => -1000000,	1070	prio => -1000000,
717	on_instantiate => sub {	1071	on_instantiate => sub {
718	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
719		1073
720	$data = from_json $data;	1074	$data = decode_json $data;
721		1075
722	for (@$data) {	1076	for (@$data) {
723	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
724		1078
725	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1095	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
743		1097
744	sync_job {	1098	sync_job {
745	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
748		1103
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1107	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1108	close $fh;
754		1109
755	if (@$objs) {	1110	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1111	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1115	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1116	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
763	}	1118	}
764	} else {	1119	} else {
765	aio_unlink "$filename.pst";	1120	aio_unlink "$filename.pst";
…		…
771	}	1126	}
772	} else {	1127	} else {
773	aio_unlink $filename;	1128	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
775	}	1130	}
776	}	1131	};
777	}	1132	}
778		1133
779	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
781		1136
…		…
793	or return;	1148	or return;
794		1149
795	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
797	or return;	1152	or return;
		1153
798	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
799	}	1156	}
800		1157
		1158	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1160	$decname, length $data, scalar @{$av || []};
		1161
803	return ($data, $av);	1162	($data, $av)
804	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
805		1170
806	#############################################################################	1171	#############################################################################
807	# command handling &c	1172	# command handling &c
808		1173
809	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1188	}
824		1189
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1191
827	Register a callbackf ro execution when the client sends an extcmd packet.	1192	Register a callback for execution when the client sends an (synchronous)
		1193	extcmd packet. Ext commands will be processed in the order they are
		1194	received by the server, like other user commands. The first argument is
		1195	the logged-in player. Ext commands can only be processed after a player
		1196	has logged in successfully.
828		1197
829	If the callback returns something, it is sent back as if reply was being	1198	If the callback returns something, it is sent back as if reply was being
830	called.	1199	called.
831		1200
		1201	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1202
		1203	Register a callback for execution when the client sends an (asynchronous)
		1204	exticmd packet. Exti commands are processed by the server as soon as they
		1205	are received, i.e. out of order w.r.t. other commands. The first argument
		1206	is a client socket. Exti commands can be received anytime, even before
		1207	log-in.
		1208
		1209	If the callback returns something, it is sent back as if reply was being
		1210	called.
		1211
832	=cut	1212	=cut
833		1213
834	sub register_extcmd {	1214	sub register_extcmd {
835	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
836		1216
837	$EXTCMD{$name} = $cb;	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
838	}	1224	}
839		1225
840	cf::player->attach (	1226	cf::player->attach (
841	on_command => sub {	1227	on_command => sub {
842	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1237	cf::override;
852	},	1238	},
853	on_extcmd => sub {	1239	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
855		1241
856	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1243
858	if (ref $msg) {	1244	if (ref $msg) {
		1245	my ($type, $reply, @payload) =
		1246	"ARRAY" eq ref $msg
		1247	? @$msg
		1248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1249
		1250	my @reply;
		1251
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
864	} else {	1259	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1261	}
867		1262
868	cf::override;	1263	cf::override;
869	},	1264	},
870	);	1265	);
871		1266
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
907	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1272	next unless -r $path;
909	eval {	1273
910	load_extension $ext;	1274	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1275	my $base = $1;
		1276	my $pkg = $1;
		1277	$pkg =~ s/[^[:word:]]/_/g;
		1278	$pkg = "ext::$pkg";
		1279
		1280	open my $fh, "<:utf8", $path
		1281	or die "$path: $!";
		1282
		1283	my $source = do { local $/; <$fh> };
		1284
		1285	my %ext = (
		1286	path => $path,
		1287	base => $base,
		1288	pkg => $pkg,
		1289	);
		1290
		1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1293
		1294	$ext{source} =
		1295	"package $pkg; use strict; use utf8;\n"
		1296	. "#line 1 \"$path\"\n{\n"
		1297	. $source
		1298	. "\n};\n1";
		1299
		1300	$todo{$base} = \%ext;
		1301	}
		1302
		1303	my %done;
		1304	while (%todo) {
		1305	my $progress;
		1306
		1307	while (my ($k, $v) = each %todo) {
		1308	for (split /,\s*/, $v->{meta}{depends}) {
		1309	goto skip
		1310	unless exists $done{$_};
		1311	}
		1312
		1313	warn "... loading '$k' into '$v->{pkg}'\n";
		1314
		1315	unless (eval $v->{source}) {
		1316	my $msg = $@ ? "$v->{path}: $@\n"
		1317	: "$v->{base}: extension inactive.\n";
		1318
		1319	if (exists $v->{meta}{mandatory}) {
		1320	warn $msg;
		1321	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	$progress = 1;
911	1	1330	}
912	} or warn "$ext not loaded: $@";	1331
		1332	skip:
		1333	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1334	unless $progress;
		1335	}
913	}	1336	};
914	}	1337	}
915		1338
916	#############################################################################	1339	#############################################################################
917		1340
		1341	=back
		1342
918	=head2 CORE EXTENSIONS	1343	=head2 CORE EXTENSIONS
919		1344
920	Functions and methods that extend core crossfire objects.	1345	Functions and methods that extend core crossfire objects.
921		1346
922	=cut	1347	=cut
…		…
927		1352
928	=head3 cf::player	1353	=head3 cf::player
929		1354
930	=over 4	1355	=over 4
931		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
932	=item cf::player::find $login	1371	=item cf::player::find $login
933		1372
934	Returns the given player object, loading it if necessary (might block).	1373	Returns the given player object, loading it if necessary (might block).
935		1374
936	=cut	1375	=cut
937		1376
938	sub playerdir($) {	1377	sub playerdir($) {
939	cf::localdir	1378	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1379	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1380	}
945		1381
946	sub path($) {	1382	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1383	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1384
949	(playerdir $login) . "/$login.pl"	1385	(playerdir $login) . "/playerdata"
950	}	1386	}
951		1387
952	sub find_active($) {	1388	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1389	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1390	and $cf::PLAYER{$_[0]}->active
…		…
957		1393
958	sub exists($) {	1394	sub exists($) {
959	my ($login) = @_;	1395	my ($login) = @_;
960		1396
961	$cf::PLAYER{$login}	1397	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1398	or cf::sync_job { !aio_stat path $login }
963	}	1399	}
964		1400
965	sub find($) {	1401	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1402	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1403	my $login = $_[0];
968		1404
969	my $guard = cf::lock_acquire "user_find:$login";	1405	my $guard = cf::lock_acquire "user_find:$login";
970		1406
971	$cf::PLAYER{$_[0]} || do {	1407	$cf::PLAYER{$_[0]} || do {
972	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
973	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;
974	$cf::PLAYER{$login} = $pl	1422	$cf::PLAYER{$login} = $pl
975	}	1423	}
976	}	1424	}
977	}	1425	}
978		1426
…		…
988		1436
989	aio_mkdir playerdir $pl, 0770;	1437	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1438	$pl->{last_save} = $cf::RUNTIME;
991		1439
992	$pl->save_pl ($path);	1440	$pl->save_pl ($path);
993	Coro::cede;	1441	cf::cede_to_tick;
994	}	1442	}
995		1443
996	sub new($) {	1444	sub new($) {
997	my ($login) = @_;	1445	my ($login) = @_;
998		1446
…		…
1004	$cf::PLAYER{$login} = $self;	1452	$cf::PLAYER{$login} = $self;
1005		1453
1006	$self	1454	$self
1007	}	1455	}
1008		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
1009	=item $pl->quit_character	1467	=item $pl->quit_character
1010		1468
1011	Nukes the player without looking back. If logged in, the connection will	1469	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1470	be destroyed. May block for a long time.
1013		1471
1014	=cut	1472	=cut
1015		1473
1016	sub quit_character {	1474	sub quit_character {
1017	my ($pl) = @_;	1475	my ($pl) = @_;
		1476
		1477	my $name = $pl->ob->name;
1018		1478
1019	$pl->{deny_save} = 1;	1479	$pl->{deny_save} = 1;
1020	$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
1021		1481
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1482	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1487	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1488	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1489	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1490	delete $cf::PLAYER{$pl->ob->name};
1031	$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
1032	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;
1033	}	1513	}
1034		1514
1035	=item cf::player::list_logins	1515	=item cf::player::list_logins
1036		1516
1037	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
1038	while and may block, so not sync_job-capable, ever.	1518	while and may block, so not sync_job-capable, ever.
1039		1519
1040	=cut	1520	=cut
1041		1521
1042	sub list_logins {	1522	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1523	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1524	or return [];
1045		1525
1046	my @logins;	1526	my @logins;
1047		1527
1048	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") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1533	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1534	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1535	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1536	}
1052		1537
1053	utf8::decode $login;	1538	utf8::decode $login;
1054	push @logins, $login;	1539	push @logins, $login;
1055	}	1540	}
1056		1541
…		…
1064		1549
1065	=cut	1550	=cut
1066		1551
1067	sub maps($) {	1552	sub maps($) {
1068	my ($pl) = @_;	1553	my ($pl) = @_;
		1554
		1555	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1556
1070	my $files = aio_readdir playerdir $pl	1557	my $files = aio_readdir playerdir $pl
1071	or return;	1558	or return;
1072		1559
1073	my @paths;	1560	my @paths;
…		…
1075	for (@$files) {	1562	for (@$files) {
1076	utf8::decode $_;	1563	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1564	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1565	next unless /^$PATH_SEP/o;
1079		1566
1080	s/\.map$//;	1567	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1568	}
1083		1569
1084	\@paths	1570	\@paths
1085	}	1571	}
1086		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
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1666	=item $player->ext_reply ($msgid, @msg)
1088		1667
1089	Sends an ext reply to the player.	1668	Sends an ext reply to the player.
1090		1669
1091	=cut	1670	=cut
1092		1671
1093	sub ext_reply($$$%) {	1672	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1673	my ($self, $id, @msg) = @_;
1095		1674
1096	$msg{msgid} = $id;	1675	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1676	}
1100		1677
1101	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	}
1102		1718
1103	=back	1719	=back
1104
1105		1720
1106	=head3 cf::map	1721	=head3 cf::map
1107		1722
1108	=over 4	1723	=over 4
1109		1724
…		…
1121	our $MAX_RESET = 3600;	1736	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1737	our $DEFAULT_RESET = 3000;
1123		1738
1124	sub generate_random_map {	1739	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1740	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1741	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1742	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1743	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1744	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1745	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1752	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1753	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1754	)
1141	}	1755	}
1142		1756
		1757	=item cf::map->register ($regex, $prio)
		1758
		1759	Register a handler for the map path matching the given regex at the
		1760	givne priority (higher is better, built-in handlers have priority 0, the
		1761	default).
		1762
		1763	=cut
		1764
1143	sub register {	1765	sub register {
1144	my (undef, $regex) = @_;	1766	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1767	my $pkg = caller;
1146		1768
1147	no strict;	1769	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1770	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1771
1150	$EXT_MAP{$pkg} = qr<$regex>;	1772	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1773	}
1152		1774
1153	# also paths starting with '/'	1775	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1776	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1155		1777
1156	sub thawer_merge {	1778	sub thawer_merge {
1157	my ($self, $merge) = @_;	1779	my ($self, $merge) = @_;
1158		1780
1159	# we have to keep some variables in memory intact	1781	# we have to keep some variables in memory intact
1160	local $self->{path};	1782	local $self->{path};
1161	local $self->{load_path};	1783	local $self->{load_path};
1162	local $self->{deny_save};
1163	local $self->{deny_reset};
1164		1784
1165	$self->SUPER::thawer_merge ($merge);	1785	$self->SUPER::thawer_merge ($merge);
1166	}	1786	}
1167		1787
1168	sub normalise {	1788	sub normalise {
1169	my ($path, $base) = @_;	1789	my ($path, $base) = @_;
		1790
		1791	$path = "$path"; # make sure its a string
		1792
		1793	$path =~ s/\.map$//;
1170		1794
1171	# map plan:	1795	# map plan:
1172	#	1796	#
1173	# /! non-realised random map exit (special hack!)	1797	# /! non-realised random map exit (special hack!)
1174	# {... are special paths that are not being touched	1798	# {... are special paths that are not being touched
…		…
1202		1826
1203	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
1204		1828
1205	$path = normalise $path, $base;	1829	$path = normalise $path, $base;
1206		1830
1207	for my $pkg (keys %EXT_MAP) {	1831	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208	if ($path =~ $EXT_MAP{$pkg}) {	1832	if ($path =~ $EXT_MAP{$pkg}[1]) {
1209	my $self = bless cf::map::new, $pkg;	1833	my $self = bless cf::map::new, $pkg;
1210	$self->{path} = $path; $self->path ($path);	1834	$self->{path} = $path; $self->path ($path);
1211	$self->init; # pass $1 etc.	1835	$self->init; # pass $1 etc.
1212	return $self;	1836	return $self;
1213	}	1837	}
1214	}	1838	}
1215		1839
1216	Carp::carp "unable to resolve path '$path'.";	1840	Carp::cluck "unable to resolve path '$path' (base '$base').";
1217	()	1841	()
1218	}	1842	}
1219		1843
1220	sub init {	1844	sub init {
1221	my ($self) = @_;	1845	my ($self) = @_;
…		…
1236		1860
1237	# the original (read-only) location	1861	# the original (read-only) location
1238	sub load_path {	1862	sub load_path {
1239	my ($self) = @_;	1863	my ($self) = @_;
1240		1864
1241	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1865	"$MAPDIR/$self->{path}.map"
1242	}	1866	}
1243		1867
1244	# the temporary/swap location	1868	# the temporary/swap location
1245	sub save_path {	1869	sub save_path {
1246	my ($self) = @_;	1870	my ($self) = @_;
1247		1871
1248	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1872	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1249	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1873	"$TMPDIR/$path.map"
1250	}	1874	}
1251		1875
1252	# the unique path, undef == no special unique path	1876	# the unique path, undef == no special unique path
1253	sub uniq_path {	1877	sub uniq_path {
1254	my ($self) = @_;	1878	my ($self) = @_;
1255		1879
1256	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1257	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1881	"$UNIQUEDIR/$path"
1258	}	1882	}
1259		1883
1260	# and all this just because we cannot iterate over	1884	# and all this just because we cannot iterate over
1261	# all maps in C++...	1885	# all maps in C++...
1262	sub change_all_map_light {	1886	sub change_all_map_light {
…		…
1264		1888
1265	$_->change_map_light ($change)	1889	$_->change_map_light ($change)
1266	for grep $_->outdoor, values %cf::MAP;	1890	for grep $_->outdoor, values %cf::MAP;
1267	}	1891	}
1268		1892
		1893	sub decay_objects {
		1894	my ($self) = @_;
		1895
		1896	return if $self->{deny_reset};
		1897
		1898	$self->do_decay_objects;
		1899	}
		1900
1269	sub unlink_save {	1901	sub unlink_save {
1270	my ($self) = @_;	1902	my ($self) = @_;
1271		1903
1272	utf8::encode (my $save = $self->save_path);	1904	utf8::encode (my $save = $self->save_path);
1273	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1905	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1276		1908
1277	sub load_header_from($) {	1909	sub load_header_from($) {
1278	my ($self, $path) = @_;	1910	my ($self, $path) = @_;
1279		1911
1280	utf8::encode $path;	1912	utf8::encode $path;
1281	aio_open $path, O_RDONLY, 0	1913	my $f = new_from_file cf::object::thawer $path
1282	or return;	1914	or return;
1283		1915
1284	$self->_load_header ($path)	1916	$self->_load_header ($f)
1285	or return;	1917	or return;
1286		1918
		1919	local $MAP_LOADING{$self->{path}} = $self;
		1920	$f->resolve_delayed_derefs;
		1921
1287	$self->{load_path} = $path;	1922	$self->{load_path} = $path;
1288		1923
1289	1	1924	1
1290	}	1925	}
1291		1926
1292	sub load_orig {	1927	sub load_header_orig {
1293	my ($self) = @_;	1928	my ($self) = @_;
1294		1929
1295	$self->load_header_from ($self->load_path)	1930	$self->load_header_from ($self->load_path)
1296	}	1931	}
1297		1932
1298	sub load_temp {	1933	sub load_header_temp {
1299	my ($self) = @_;	1934	my ($self) = @_;
1300		1935
1301	$self->load_header_from ($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	$self->instantiate;
1302	}	1956	}
1303		1957
1304	sub load_header {	1958	sub load_header {
1305	my ($self) = @_;	1959	my ($self) = @_;
1306		1960
1307	if ($self->load_temp) {	1961	if ($self->load_header_temp) {
1308	$self->last_access ((delete $self->{last_access})	1962	$self->prepare_temp;
1309	|| $cf::RUNTIME); #d#
1310	# safety
1311	$self->{instantiate_time} = $cf::RUNTIME
1312	if $self->{instantiate_time} > $cf::RUNTIME;
1313	} else {	1963	} else {
1314	$self->load_orig	1964	$self->load_header_orig
1315	or return;	1965	or return;
1316		1966	$self->prepare_orig;
1317	$self->{load_original} = 1;
1318	$self->{instantiate_time} = $cf::RUNTIME;
1319	$self->last_access ($cf::RUNTIME);
1320	$self->instantiate;
1321	}	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 $self->default_region;
1322		1974
1323	1	1975	1
1324	}	1976	}
1325		1977
1326	sub find;	1978	sub find;
1327	sub find {	1979	sub find {
1328	my ($path, $origin) = @_;	1980	my ($path, $origin) = @_;
1329		1981
1330	$path = normalise $path, $origin && $origin->path;	1982	$path = normalise $path, $origin && $origin->path;
1331		1983
		1984	cf::lock_wait "map_data:$path";#d#remove
1332	cf::lock_wait "map_find:$path";	1985	cf::lock_wait "map_find:$path";
1333		1986
1334	$cf::MAP{$path} || do {	1987	$cf::MAP{$path} || do {
1335	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
1336	my $map = new_from_path cf::map $path	1991	my $map = new_from_path cf::map $path
1337	or return;	1992	or return;
1338		1993
1339	$map->{last_save} = $cf::RUNTIME;	1994	$map->{last_save} = $cf::RUNTIME;
1340		1995
1341	$map->load_header	1996	$map->load_header
1342	or return;	1997	or return;
1343		1998
1344	if ($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
1345	$cf::WAIT_FOR_TICK->wait;	2001	#$cf::WAIT_FOR_TICK->wait;
		2002	undef $guard1;
		2003	undef $guard2;
1346	$map->reset;	2004	$map->reset;
1347	undef $guard;
1348	$map = find $path	2005	return find $path;
1349	or return;
1350	}	2006	}
1351		2007
1352	$cf::MAP{$path} = $map	2008	$cf::MAP{$path} = $map
1353	}	2009	}
1354	}	2010	}
		2011
		2012	sub pre_load { }
		2013	sub post_load { }
1355		2014
1356	sub load {	2015	sub load {
1357	my ($self) = @_;	2016	my ($self) = @_;
1358		2017
		2018	local $self->{deny_reset} = 1; # loading can take a long time
		2019
1359	my $path = $self->{path};	2020	my $path = $self->{path};
		2021
		2022	{
1360	my $guard = cf::lock_acquire "map_load:$path";	2023	my $guard = cf::lock_acquire "map_data:$path";
1361		2024
		2025	return unless $self->valid;
1362	return if $self->in_memory != cf::MAP_SWAPPED;	2026	return unless $self->in_memory == cf::MAP_SWAPPED;
1363		2027
1364	$self->in_memory (cf::MAP_LOADING);	2028	$self->in_memory (cf::MAP_LOADING);
1365		2029
1366	$self->alloc;	2030	$self->alloc;
1367	$self->_load_objects ($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)
1368	or return;	2038	or return;
1369		2039
1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2040	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1371	if delete $self->{load_original};	2041	if delete $self->{load_original};
1372		2042
1373	if (my $uniq = $self->uniq_path) {	2043	if (my $uniq = $self->uniq_path) {
1374	utf8::encode $uniq;	2044	utf8::encode $uniq;
1375	if (aio_open $uniq, O_RDONLY, 0) {	2045	unless (aio_stat $uniq) {
		2046	if (my $f = new_from_file cf::object::thawer $uniq) {
1376	$self->clear_unique_items;	2047	$self->clear_unique_items;
1377	$self->_load_objects ($uniq, 0);	2048	$self->_load_objects ($f);
		2049	$f->resolve_delayed_derefs;
		2050	}
1378	}	2051	}
1379	}	2052	}
1380		2053
1381	Coro::cede;	2054	$f->resolve_delayed_derefs;
1382		2055
		2056	cf::cede_to_tick;
1383	# now do the right thing for maps	2057	# now do the right thing for maps
1384	$self->link_multipart_objects;	2058	$self->link_multipart_objects;
1385
1386	unless ($self->{deny_activate}) {
1387	$self->decay_objects;
1388	$self->fix_auto_apply;
1389	$self->update_buttons;
1390	Coro::cede;
1391	$self->set_darkness_map;
1392	$self->difficulty ($self->estimate_difficulty)	2059	$self->difficulty ($self->estimate_difficulty)
1393	unless $self->difficulty;	2060	unless $self->difficulty;
1394	Coro::cede;	2061	cf::cede_to_tick;
		2062
		2063	unless ($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;
1395	$self->activate;	2070	$self->activate;
1396	}	2071	}
1397		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
1398	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_IN_MEMORY);
		2077	}
		2078
		2079	$self->post_load;
1399	}	2080	}
1400		2081
1401	sub customise_for {	2082	sub customise_for {
1402	my ($self, $ob) = @_;	2083	my ($self, $ob) = @_;
1403		2084
1404	return find "~" . $ob->name . "/" . $self->{path}	2085	return find "~" . $ob->name . "/" . $self->{path}
1405	if $self->per_player;	2086	if $self->per_player;
1406		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
1407	$self	2091	$self
1408	}	2092	}
1409		2093
1410	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1411	sub load_diag {	2095	sub load_neighbours {
1412	my ($map) = @_;	2096	my ($map) = @_;
1413		2097
1414	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1415		2099
1416	for (0 .. 3) {	2100	for (0 .. 3) {
1417	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1418	or next;	2102	or next;
1419	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1420	or next;	2104	or next;
1421	$neigh->load;	2105	$neigh->load;
1422		2106
		2107	push @neigh,
1423	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1424	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1425	}	2110	}
1426		2111
1427	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1428	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1429	or next;	2115	or next;
1430	$neigh->load;	2116	$neigh->load;
1431	}	2117	}
1432	}	2118	}
1433		2119
…		…
1438	}	2124	}
1439		2125
1440	sub do_load_sync {	2126	sub do_load_sync {
1441	my ($map) = @_;	2127	my ($map) = @_;
1442		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1443	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1444	}	2133	}
1445		2134
1446	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1447	our $MAP_PREFETCHER = Coro::async {	2136	our $MAP_PREFETCHER = undef;
1448	while () {
1449	for my $path (keys %MAP_PREFETCH) {
1450	my $map = find $path
1451	or next;
1452	$map->load;
1453
1454	delete $MAP_PREFETCH{$path};
1455	}
1456	Coro::schedule;
1457	}
1458	};
1459		2137
1460	sub find_async {	2138	sub find_async {
1461	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1462		2140
1463	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1464		2142
1465	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1466	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;
1467	}	2162	};
1468
1469	$MAP_PREFETCH{$path} = 0;
1470	$MAP_PREFETCHER->ready;	2163	$MAP_PREFETCHER->prio (6);
1471		2164
1472	()	2165	()
1473	}	2166	}
1474		2167
1475	sub save {	2168	sub save {
1476	my ($self) = @_;	2169	my ($self) = @_;
1477		2170
1478	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1479		2172
1480	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1481		2174
1482	return unless $self->dirty;	2175	return unless $self->dirty;
1483		2176
…		…
1489	return if $self->{deny_save};	2182	return if $self->{deny_save};
1490		2183
1491	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1492		2185
1493	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1494	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1495	};	2189	};
1496		2190
1497	if ($uniq) {	2191	if ($uniq) {
1498	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2192	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1506	my ($self) = @_;	2200	my ($self) = @_;
1507		2201
1508	# save first because save cedes	2202	# save first because save cedes
1509	$self->save;	2203	$self->save;
1510		2204
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	2205	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		2206
1513	return if $self->players;	2207	return if $self->players;
1514	return if $self->in_memory != cf::MAP_IN_MEMORY;	2208	return if $self->in_memory != cf::MAP_IN_MEMORY;
1515	return if $self->{deny_save};	2209	return if $self->{deny_save};
1516		2210
		2211	$self->in_memory (cf::MAP_SWAPPED);
		2212
		2213	$self->deactivate;
		2214	$_->clear_links_to ($self) for values %cf::MAP;
1517	$self->clear;	2215	$self->clear;
1518	$self->in_memory (cf::MAP_SWAPPED);
1519	}	2216	}
1520		2217
1521	sub reset_at {	2218	sub reset_at {
1522	my ($self) = @_;	2219	my ($self) = @_;
1523		2220
1524	# TODO: safety, remove and allow resettable per-player maps	2221	# TODO: safety, remove and allow resettable per-player maps
1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1526	return 1e99 if $self->{deny_reset};	2222	return 1e99 if $self->{deny_reset};
1527		2223
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2224	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2225	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530		2226
…		…
1535	my ($self) = @_;	2231	my ($self) = @_;
1536		2232
1537	$self->reset_at <= $cf::RUNTIME	2233	$self->reset_at <= $cf::RUNTIME
1538	}	2234	}
1539		2235
1540	sub rename {
1541	my ($self, $new_path) = @_;
1542
1543	normalise $new_path;
1544
1545	$self->unlink_save;
1546
1547	delete $cf::MAP{$self->path};
1548	$self->{path} = $new_path; $self->path ($self->{path});
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	2236	sub reset {
1555	my ($self) = @_;	2237	my ($self) = @_;
1556		2238
1557	my $lock = cf::lock_acquire "map_data:$self->{path}";	2239	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		2240
1559	return if $self->players;	2241	return if $self->players;
1560	return if $self->isa ("ext::map_per_player");#d#
1561		2242
1562	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	}
1563		2254
1564	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1565		2256
1566	$self->in_memory (cf::MAP_SWAPPED);	2257	$self->deactivate;
		2258	$_->clear_links_to ($self) for values %cf::MAP;
1567	$self->clear;	2259	$self->clear;
1568
1569	$_->clear_links_to ($self) for values %cf::MAP;
1570		2260
1571	$self->unlink_save;	2261	$self->unlink_save;
1572	$self->destroy;	2262	$self->destroy;
1573	}	2263	}
1574		2264
1575	my $nuke_counter = "aaaa";	2265	my $nuke_counter = "aaaa";
1576		2266
1577	sub nuke {	2267	sub nuke {
1578	my ($self) = @_;	2268	my ($self) = @_;
1579		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};
1580	$self->{deny_save} = 1;	2279	$self->{deny_save} = 1;
1581	$self->reset_timeout (1);	2280	$self->reset_timeout (1);
1582	$self->rename ("{nuke}/" . ($nuke_counter++));	2281	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2282
		2283	$cf::MAP{$self->path} = $self;
		2284	}
		2285
1583	$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	]
1584	}	2323	}
1585		2324
1586	=item cf::map::unique_maps	2325	=item cf::map::unique_maps
1587		2326
1588	Returns an arrayref of paths of all shared maps that have	2327	Returns an arrayref of paths of all shared maps that have
1589	instantiated unique items. May block.	2328	instantiated unique items. May block.
1590		2329
1591	=cut	2330	=cut
1592		2331
1593	sub unique_maps() {	2332	sub unique_maps() {
1594	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2333	[
1595	or return;	2334	map {
1596
1597	my @paths;
1598
1599	for (@$files) {
1600	utf8::decode $_;	2335	utf8::decode $_;
1601	next if /\.pst$/;
1602	next unless /^$PATH_SEP/o;
1603
1604	s/\.map$//;	2336	/\.map$/
1605	push @paths, $_;	2337	? normalise $_
		2338	: ()
		2339	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2340	]
1607
1608	\@paths
1609	}	2341	}
1610		2342
1611	package cf;	2343	package cf;
1612		2344
1613	=back	2345	=back
…		…
1631	map { $_, inv_recursive_ $_->inv } @_	2363	map { $_, inv_recursive_ $_->inv } @_
1632	}	2364	}
1633		2365
1634	sub inv_recursive {	2366	sub inv_recursive {
1635	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	}
1636	}	2396	}
1637		2397
1638	package cf;	2398	package cf;
1639		2399
1640	=back	2400	=back
…		…
1659		2419
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2421
1662	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1664	} 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 {
1665	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2434	$self->message ($msg, $flags);
		2435	}
1667	}	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 (@_);
1668	}	2447	}
1669		2448
1670	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1671		2450
1672	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1704	=cut	2483	=cut
1705		2484
1706	sub link_map {	2485	sub link_map {
1707	unless ($LINK_MAP) {	2486	unless ($LINK_MAP) {
1708	$LINK_MAP = cf::map::find "{link}"	2487	$LINK_MAP = cf::map::find "{link}"
1709	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2488	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1710	$LINK_MAP->load;	2489	$LINK_MAP->load;
1711	}	2490	}
1712		2491
1713	$LINK_MAP	2492	$LINK_MAP
1714	}	2493	}
…		…
1719	$self->deactivate_recursive;	2498	$self->deactivate_recursive;
1720		2499
1721	return if UNIVERSAL::isa $self->map, "ext::map_link";	2500	return if UNIVERSAL::isa $self->map, "ext::map_link";
1722		2501
1723	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1724	if $self->map;	2503	if $self->map && $self->map->{path} ne "{link}";
1725		2504
1726	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2505	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1727	}	2506	}
1728		2507
1729	sub cf::object::player::leave_link {	2508	sub cf::object::player::leave_link {
1730	my ($self, $map, $x, $y) = @_;	2509	my ($self, $map, $x, $y) = @_;
		2510
		2511	return unless $self->contr->active;
1731		2512
1732	my $link_pos = delete $self->{_link_pos};	2513	my $link_pos = delete $self->{_link_pos};
1733		2514
1734	unless ($map) {	2515	unless ($map) {
1735	# restore original map position	2516	# restore original map position
…		…
1749	# use -1 or undef as default coordinates, not 0, 0	2530	# use -1 or undef as default coordinates, not 0, 0
1750	($x, $y) = ($map->enter_x, $map->enter_y)	2531	($x, $y) = ($map->enter_x, $map->enter_y)
1751	if $x <=0 && $y <= 0;	2532	if $x <=0 && $y <= 0;
1752		2533
1753	$map->load;	2534	$map->load;
1754	$map->load_diag;	2535	$map->load_neighbours;
1755		2536
1756	return unless $self->contr->active;	2537	return unless $self->contr->active;
1757	$self->activate_recursive;	2538	$self->activate_recursive;
		2539
		2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1758	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
1759	}	2542	}
1760		2543
1761	cf::player->attach (	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1762	on_logout => sub {
1763	my ($pl) = @_;
1764		2545
1765	# abort map switching before logout	2546	Moves the player to the given map-path and coordinates by first freezing
1766	if ($pl->ob->{_link_pos}) {	2547	her, loading and preparing them map, calling the provided $check callback
1767	cf::sync_job {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1768	$pl->ob->leave_link	2549	the new (success) or old (failed) map position. In either case, $done will
1769	};	2550	be called at the end of this process.
1770	}
1771	},
1772	on_login => sub {
1773	my ($pl) = @_;
1774		2551
1775	# try to abort aborted map switching on player login :)
1776	# should happen only on crashes
1777	if ($pl->ob->{_link_pos}) {
1778	$pl->ob->enter_link;
1779	(async {
1780	# we need this sleep as the login has a concurrent enter_exit running
1781	# and this sleep increases chances of the player not ending up in scorn
1782	$pl->ob->reply (undef,
1783	"There was an internal problem at your last logout, "
1784	. "the server will try to bring you to your intended destination in a second.",
1785	cf::NDI_RED);
1786	Coro::Timer::sleep 1;
1787	$pl->ob->leave_link;
1788	})->prio (2);
1789	}
1790	},
1791	);
1792
1793	=item $player_object->goto ($path, $x, $y)
1794
1795	=cut	2552	=cut
		2553
		2554	our $GOTOGEN;
1796		2555
1797	sub cf::object::player::goto {	2556	sub cf::object::player::goto {
1798	my ($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;
1799		2561
1800	$self->enter_link;	2562	$self->enter_link;
1801		2563
1802	(async {	2564	(async {
1803	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) {
1804	$map = $map->customise_for ($self) if $map;	2590	$map = $map->customise_for ($self);
1805		2591	$map = $check->($map) if $check && $map;
1806	# warn "entering ", $map->path, " at ($x, $y)\n"	2592	} else {
1807	# if $map;
1808
1809	$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	}
1810		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};
1811	$self->leave_link ($map, $x, $y);	2606	$self->leave_link ($map, $x, $y);
		2607	}
		2608
		2609	$done->() if $done;
1812	})->prio (1);	2610	})->prio (1);
1813	}	2611	}
1814		2612
1815	=item $player_object->enter_exit ($exit_object)	2613	=item $player_object->enter_exit ($exit_object)
1816		2614
…		…
1818		2616
1819	sub parse_random_map_params {	2617	sub parse_random_map_params {
1820	my ($spec) = @_;	2618	my ($spec) = @_;
1821		2619
1822	my $rmp = { # defaults	2620	my $rmp = { # defaults
1823	xsize => 10,	2621	xsize => (cf::rndm 15, 40),
1824	ysize => 10,	2622	ysize => (cf::rndm 15, 40),
		2623	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2624	#layout => string,
1825	};	2625	};
1826		2626
1827	for (split /\n/, $spec) {	2627	for (split /\n/, $spec) {
1828	my ($k, $v) = split /\s+/, $_, 2;	2628	my ($k, $v) = split /\s+/, $_, 2;
1829		2629
…		…
1833	$rmp	2633	$rmp
1834	}	2634	}
1835		2635
1836	sub prepare_random_map {	2636	sub prepare_random_map {
1837	my ($exit) = @_;	2637	my ($exit) = @_;
		2638
		2639	my $guard = cf::lock_acquire "exit_prepare:$exit";
1838		2640
1839	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
1840	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
1841	# that depends on the exit object	2643	# that depends on the exit object
1842		2644
1843	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
1844		2646
1845	if ($exit->map) {	2647	if ($exit->map) {
1846	$rmp->{region} = $exit->map->region_name;	2648	$rmp->{region} = $exit->region->name;
1847	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
1848	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
1849	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
1850	}	2652	}
1851		2653
1852	$rmp->{random_seed} ||= $exit->random_seed;	2654	$rmp->{random_seed} ||= $exit->random_seed;
1853		2655
1854	my $data = cf::to_json $rmp;	2656	my $data = cf::encode_json $rmp;
1855	my $md5 = Digest::MD5::md5_hex $data;	2657	my $md5 = Digest::MD5::md5_hex $data;
		2658	my $meta = "$RANDOMDIR/$md5.meta";
1856		2659
1857	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) {
1858	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;
1859		2664
1860	$exit->slaying ("?random/$md5");	2665	$exit->slaying ("?random/$md5");
1861	$exit->msg (undef);	2666	$exit->msg (undef);
1862	}	2667	}
1863	}	2668	}
…		…
1865	sub cf::object::player::enter_exit {	2670	sub cf::object::player::enter_exit {
1866	my ($self, $exit) = @_;	2671	my ($self, $exit) = @_;
1867		2672
1868	return unless $self->type == cf::PLAYER;	2673	return unless $self->type == cf::PLAYER;
1869		2674
		2675	if ($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
1870	$self->enter_link;	2686	$self->enter_link;
1871		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
1872	(async {	2692	(async {
		2693	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2694
1873	$self->deactivate_recursive; # just to be sure	2695	$self->deactivate_recursive; # just to be sure
1874	unless (eval {	2696	unless (eval {
1875	prepare_random_map $exit	2697	$self->goto ($slaying, $hp, $sp);
1876	if $exit->slaying eq "/!";
1877
1878	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1879	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1880		2698
1881	1;	2699	1;
1882	}) {	2700	}) {
1883	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the crossfire server. "
1884	. "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. "
1885	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
1886	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
1887		2705
1888	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
1889	$self->leave_link;	2707	$self->leave_link;
1890	}	2708	}
1891	})->prio (1);	2709	})->prio (1);
…		…
1904		2722
1905	sub cf::client::send_drawinfo {	2723	sub cf::client::send_drawinfo {
1906	my ($self, $text, $flags) = @_;	2724	my ($self, $text, $flags) = @_;
1907		2725
1908	utf8::encode $text;	2726	utf8::encode $text;
1909	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1910	}	2728	}
1911		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	}
1912		2888
1913	=item $success = $client->query ($flags, "text", \&cb)	2889	=item $success = $client->query ($flags, "text", \&cb)
1914		2890
1915	Queues a query to the client, calling the given callback with	2891	Queues a query to the client, calling the given callback with
1916	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>,
1917	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>.
1918		2894
1919	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
1920	reliable at some point in the future.	2896	become reliable at some point in the future.
1921		2897
1922	=cut	2898	=cut
1923		2899
1924	sub cf::client::query {	2900	sub cf::client::query {
1925	my ($self, $flags, $text, $cb) = @_;	2901	my ($self, $flags, $text, $cb) = @_;
…		…
1933	utf8::encode $text;	2909	utf8::encode $text;
1934	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2910	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1935		2911
1936	$self->send_packet ($self->{query_queue}[0][0])	2912	$self->send_packet ($self->{query_queue}[0][0])
1937	if @{ $self->{query_queue} } == 1;	2913	if @{ $self->{query_queue} } == 1;
		2914
		2915	1
1938	}	2916	}
1939		2917
1940	cf::client->attach (	2918	cf::client->attach (
		2919	on_connect => sub {
		2920	my ($ns) = @_;
		2921
		2922	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2923	},
1941	on_reply => sub {	2924	on_reply => sub {
1942	my ($ns, $msg) = @_;	2925	my ($ns, $msg) = @_;
1943		2926
1944	# this weird shuffling is so that direct followup queries	2927	# this weird shuffling is so that direct followup queries
1945	# get handled first	2928	# get handled first
1946	my $queue = delete $ns->{query_queue}	2929	my $queue = delete $ns->{query_queue}
1947	or return; # be conservative, not sure how that can happen, but we saw a crash here	2930	or return; # be conservative, not sure how that can happen, but we saw a crash here
1948		2931
1949	(shift @$queue)->[1]->($msg);	2932	(shift @$queue)->[1]->($msg);
		2933	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1950		2934
1951	push @{ $ns->{query_queue} }, @$queue;	2935	push @{ $ns->{query_queue} }, @$queue;
1952		2936
1953	if (@{ $ns->{query_queue} } == @$queue) {	2937	if (@{ $ns->{query_queue} } == @$queue) {
1954	if (@$queue) {	2938	if (@$queue) {
…		…
1956	} else {	2940	} else {
1957	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2941	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1958	}	2942	}
1959	}	2943	}
1960	},	2944	},
		2945	on_exticmd => sub {
		2946	my ($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	},
1961	);	2971	);
1962		2972
1963	=item $client->async (\&cb)	2973	=item $client->async (\&cb)
1964		2974
1965	Create a new coroutine, running the specified callback. The coroutine will	2975	Create a new coroutine, running the specified callback. The coroutine will
…		…
2006	our $safe = new Safe "safe";	3016	our $safe = new Safe "safe";
2007	our $safe_hole = new Safe::Hole;	3017	our $safe_hole = new Safe::Hole;
2008		3018
2009	$SIG{FPE} = 'IGNORE';	3019	$SIG{FPE} = 'IGNORE';
2010		3020
2011	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3021	$safe->permit_only (Opcode::opset qw(
		3022	:base_core :base_mem :base_orig :base_math
		3023	grepstart grepwhile mapstart mapwhile
		3024	sort time
		3025	));
2012		3026
2013	# here we export the classes and methods available to script code	3027	# here we export the classes and methods available to script code
2014		3028
2015	=pod	3029	=pod
2016		3030
2017	The following fucntions and emthods are available within a safe environment:	3031	The following functions and methods are available within a safe environment:
2018		3032
2019	cf::object contr pay_amount pay_player map	3033	cf::object
		3034	contr pay_amount pay_player map x y force_find force_add destroy
		3035	insert remove name archname title slaying race decrease_ob_nr
		3036
2020	cf::object::player player	3037	cf::object::player
2021	cf::player peaceful	3038	player
2022	cf::map trigger	3039
		3040	cf::player
		3041	peaceful
		3042
		3043	cf::map
		3044	trigger
2023		3045
2024	=cut	3046	=cut
2025		3047
2026	for (	3048	for (
2027	["cf::object" => qw(contr pay_amount pay_player map)],	3049	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3050	insert remove inv name archname title slaying race
		3051	decrease_ob_nr destroy)],
2028	["cf::object::player" => qw(player)],	3052	["cf::object::player" => qw(player)],
2029	["cf::player" => qw(peaceful)],	3053	["cf::player" => qw(peaceful)],
2030	["cf::map" => qw(trigger)],	3054	["cf::map" => qw(trigger)],
2031	) {	3055	) {
2032	no strict 'refs';	3056	no strict 'refs';
…		…
2103	=back	3127	=back
2104		3128
2105	=cut	3129	=cut
2106		3130
2107	#############################################################################	3131	#############################################################################
		3132	# the server's init and main functions
2108		3133
2109	=head2 EXTENSION DATABASE SUPPORT	3134	sub load_facedata($) {
		3135	my ($path) = @_;
2110		3136
2111	Crossfire maintains a very simple database for extension use. It can	3137	# HACK to clear player env face cache, we need some signal framework
2112	currently store anything that can be serialised using Storable, which	3138	# for this (global event?)
2113	excludes objects.	3139	%ext::player_env::MUSIC_FACE_CACHE = ();
2114		3140
2115	The parameter C<$family> should best start with the name of the extension	3141	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2116	using it, it should be unique.
2117		3142
2118	=over 4	3143	warn "loading facedata from $path\n";
2119		3144
2120	=item $hashref = cf::db_get $family	3145	my $facedata;
		3146	0 < aio_load $path, $facedata
		3147	or die "$path: $!";
2121		3148
2122	Return a hashref for use by the extension C<$family>, which can be	3149	$facedata = Coro::Storable::thaw $facedata;
2123	modified. After modifications, you have to call C<cf::db_dirty> or
2124	C<cf::db_sync>.
2125		3150
2126	=item $value = cf::db_get $family => $key	3151	$facedata->{version} == 2
		3152	or cf::cleanup "$path: version mismatch, cannot proceed.";
2127		3153
2128	Returns a single value from the database	3154	# patch in the exptable
2129		3155	$facedata->{resource}{"res/exp_table"} = {
2130	=item cf::db_put $family => $hashref	3156	type => FT_RSRC,
2131		3157	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2132	Stores the given family hashref into the database. Updates are delayed, if
2133	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2134
2135	=item cf::db_put $family => $key => $value
2136
2137	Stores the given C<$value> in the family hash. Updates are delayed, if you
2138	want the data to be synced to disk immediately, use C<cf::db_sync>.
2139
2140	=item cf::db_dirty
2141
2142	Marks the database as dirty, to be updated at a later time.
2143
2144	=item cf::db_sync
2145
2146	Immediately write the database to disk I<if it is dirty>.
2147
2148	=cut
2149
2150	our $DB;
2151
2152	{
2153	my $path = cf::localdir . "/database.pst";
2154
2155	sub db_load() {
2156	$DB = stat $path ? Storable::retrieve $path : { };
2157	}
2158
2159	my $pid;
2160
2161	sub db_save() {
2162	waitpid $pid, 0 if $pid;
2163	if (0 == ($pid = fork)) {
2164	$DB->{_meta}{version} = 1;
2165	Storable::nstore $DB, "$path~";
2166	rename "$path~", $path;
2167	cf::_exit 0 if defined $pid;
2168	}
2169	}
2170
2171	my $dirty;
2172
2173	sub db_sync() {
2174	db_save if $dirty;
2175	undef $dirty;
2176	}
2177
2178	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2179	db_sync;
2180	});	3158	};
		3159	cf::cede_to_tick;
2181		3160
2182	sub db_dirty() {
2183	$dirty = 1;
2184	$idle->start;
2185	}	3161	{
		3162	my $faces = $facedata->{faceinfo};
2186		3163
2187	sub db_get($;$) {	3164	while (my ($face, $info) = each %$faces) {
2188	@_ >= 2	3165	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2189	? $DB->{$_[0]}{$_[1]}
2190	: ($DB->{$_[0]} ||= { })
2191	}
2192		3166
2193	sub db_put($$;$) {	3167	cf::face::set_visibility $idx, $info->{visibility};
2194	if (@_ >= 3) {	3168	cf::face::set_magicmap $idx, $info->{magicmap};
2195	$DB->{$_[0]}{$_[1]} = $_[2];	3169	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2196	} else {	3170	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2197	$DB->{$_[0]} = $_[1];
2198	}
2199	db_dirty;
2200	}
2201		3171
2202	cf::global->attach (	3172	cf::cede_to_tick;
2203	prio => 10000,
2204	on_cleanup => sub {
2205	db_sync;
2206	},	3173	}
2207	);
2208	}
2209		3174
2210	#############################################################################	3175	while (my ($face, $info) = each %$faces) {
2211	# the server's main()	3176	next unless $info->{smooth};
2212		3177
2213	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 {
2214	open my $fh, "<:utf8", cf::confdir . "/config"	3320	open my $fh, "<:utf8", "$CONFDIR/config"
2215	or return;	3321	or return;
2216		3322
2217	local $/;	3323	local $/;
2218	*CFG = YAML::Syck::Load <$fh>;	3324	*CFG = YAML::Load <$fh>;
2219		3325
2220	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3326	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2221		3327
2222	$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};
2223	$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};
…		…
2233		3339
2234	sub main {	3340	sub main {
2235	# we must not ever block the main coroutine	3341	# we must not ever block the main coroutine
2236	local $Coro::idle = sub {	3342	local $Coro::idle = sub {
2237	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#
2238	async { Event::one_event };	3344	(async {
		3345	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3346	EV::loop EV::LOOP_ONESHOT;
		3347	})->prio (Coro::PRIO_MAX);
2239	};	3348	};
2240		3349
2241	cfg_load;	3350	reload_config;
2242	db_load;	3351	db_init;
2243	load_extensions;	3352	load_extensions;
		3353
		3354	$TICK_WATCHER->start;
		3355	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2244	Event::loop;	3356	EV::loop;
2245	}	3357	}
2246		3358
2247	#############################################################################	3359	#############################################################################
2248	# initialisation and cleanup	3360	# initialisation and cleanup
2249		3361
2250	# install some emergency cleanup handlers	3362	# install some emergency cleanup handlers
2251	BEGIN {	3363	BEGIN {
		3364	our %SIGWATCHER = ();
2252	for my $signal (qw(INT HUP TERM)) {	3365	for my $signal (qw(INT HUP TERM)) {
2253	Event->signal (	3366	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2254	data => WF_AUTOCANCEL,
2255	signal => $signal,
2256	cb => sub {
2257	cf::cleanup "SIG$signal";	3367	cf::cleanup "SIG$signal";
2258	},
2259	);	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
2260	}	3407	1
2261	}	3408	}
2262		3409
2263	sub emergency_save() {	3410	sub emergency_save() {
2264	my $freeze_guard = cf::freeze_mainloop;	3411	my $freeze_guard = cf::freeze_mainloop;
2265		3412
…		…
2271	# and maps saved/destroyed asynchronously.	3418	# and maps saved/destroyed asynchronously.
2272	warn "begin emergency player save\n";	3419	warn "begin emergency player save\n";
2273	for my $login (keys %cf::PLAYER) {	3420	for my $login (keys %cf::PLAYER) {
2274	my $pl = $cf::PLAYER{$login} or next;	3421	my $pl = $cf::PLAYER{$login} or next;
2275	$pl->valid or next;	3422	$pl->valid or next;
		3423	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2276	$pl->save;	3424	$pl->save;
2277	}	3425	}
2278	warn "end emergency player save\n";	3426	warn "end emergency player save\n";
2279		3427
2280	warn "begin emergency map save\n";	3428	warn "begin emergency map save\n";
…		…
2282	my $map = $cf::MAP{$path} or next;	3430	my $map = $cf::MAP{$path} or next;
2283	$map->valid or next;	3431	$map->valid or next;
2284	$map->save;	3432	$map->save;
2285	}	3433	}
2286	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";
2287	};	3439	};
2288		3440
2289	warn "leave emergency perl save\n";	3441	warn "leave emergency perl save\n";
2290	}	3442	}
2291		3443
		3444	sub post_cleanup {
		3445	my ($make_core) = @_;
		3446
		3447	warn Carp::longmess "post_cleanup backtrace"
		3448	if $make_core;
		3449	}
		3450
2292	sub reload() {	3451	sub do_reload_perl() {
2293	# can/must only be called in main	3452	# can/must only be called in main
2294	if ($Coro::current != $Coro::main) {	3453	if ($Coro::current != $Coro::main) {
2295	warn "can only reload from main coroutine\n";	3454	warn "can only reload from main coroutine";
2296	return;	3455	return;
2297	}	3456	}
2298		3457
2299	warn "reloading...";	3458	warn "reloading...";
2300		3459
2301	warn "freezing server";	3460	warn "entering sync_job";
2302	my $guard = freeze_mainloop;	3461
		3462	cf::sync_job {
		3463	cf::write_runtime; # external watchdog should not bark
2303	cf::emergency_save;	3464	cf::emergency_save;
		3465	cf::write_runtime; # external watchdog should not bark
2304		3466
2305	warn "sync database to disk";	3467	warn "syncing database to disk";
2306	cf::db_sync;	3468	BDB::db_env_txn_checkpoint $DB_ENV;
2307	IO::AIO::flush;
2308		3469
2309	eval {
2310	# 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
2311		3471
2312	warn "cancel all watchers";	3472	warn "flushing outstanding aio requests";
2313	for (Event::all_watchers) {	3473	for (;;) {
2314	$_->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...";
2315	}	3479	}
2316		3480
		3481	++$RELOAD;
		3482
2317	warn "cancel all extension coros";	3483	warn "cancelling all extension coros";
2318	$_->cancel for values %EXT_CORO;	3484	$_->cancel for values %EXT_CORO;
2319	%EXT_CORO = ();	3485	%EXT_CORO = ();
2320		3486
2321	warn "remove commands";	3487	warn "removing commands";
2322	%COMMAND = ();	3488	%COMMAND = ();
2323		3489
2324	warn "remove ext commands";	3490	warn "removing ext/exti commands";
2325	%EXTCMD = ();	3491	%EXTCMD = ();
		3492	%EXTICMD = ();
2326		3493
2327	warn "unload/nuke all extensions";	3494	warn "unloading/nuking all extensions";
2328	for my $pkg (@EXTS) {	3495	for my $pkg (@EXTS) {
2329	warn "... unloading $pkg";	3496	warn "... unloading $pkg";
2330		3497
2331	if (my $cb = $pkg->can ("unload")) {	3498	if (my $cb = $pkg->can ("unload")) {
2332	eval {	3499	eval {
…		…
2337		3504
2338	warn "... nuking $pkg";	3505	warn "... nuking $pkg";
2339	Symbol::delete_package $pkg;	3506	Symbol::delete_package $pkg;
2340	}	3507	}
2341		3508
2342	warn "unload all perl modules loaded from $LIBDIR";	3509	warn "unloading all perl modules loaded from $LIBDIR";
2343	while (my ($k, $v) = each %INC) {	3510	while (my ($k, $v) = each %INC) {
2344	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3511	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2345		3512
2346	warn "removing <$k>";	3513	warn "... unloading $k";
2347	delete $INC{$k};	3514	delete $INC{$k};
2348		3515
2349	$k =~ s/\.pm$//;	3516	$k =~ s/\.pm$//;
2350	$k =~ s/\//::/g;	3517	$k =~ s/\//::/g;
2351		3518
…		…
2354	}	3521	}
2355		3522
2356	Symbol::delete_package $k;	3523	Symbol::delete_package $k;
2357	}	3524	}
2358		3525
2359	warn "get rid of safe::, as good as possible";	3526	warn "getting rid of safe::, as good as possible";
2360	Symbol::delete_package "safe::$_"	3527	Symbol::delete_package "safe::$_"
2361	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);
2362		3529
2363	warn "unload cf.pm \"a bit\"";	3530	warn "unloading cf.pm \"a bit\"";
2364	delete $INC{"cf.pm"};	3531	delete $INC{"cf.pm"};
		3532	delete $INC{"cf/pod.pm"};
2365		3533
2366	# don't, removes xs symbols, too,	3534	# don't, removes xs symbols, too,
2367	# and global variables created in xs	3535	# and global variables created in xs
2368	#Symbol::delete_package __PACKAGE__;	3536	#Symbol::delete_package __PACKAGE__;
2369		3537
		3538	warn "unload completed, starting to reload now";
		3539
2370	warn "reloading cf.pm";	3540	warn "reloading cf.pm";
2371	require cf;	3541	require cf;
2372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3542	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2373		3543
2374	warn "load config and database again";	3544	warn "loading config and database again";
2375	cf::cfg_load;	3545	cf::reload_config;
2376	cf::db_load;
2377		3546
2378	warn "load extensions";	3547	warn "loading extensions";
2379	cf::load_extensions;	3548	cf::load_extensions;
2380		3549
2381	warn "reattach attachments to objects/players";	3550	warn "reattaching attachments to objects/players";
2382	_global_reattach;	3551	_global_reattach; # objects, sockets
2383	warn "reattach attachments to maps";	3552	warn "reattaching attachments to maps";
2384	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.";
2385	};	3563	};
2386
2387	if ($@) {
2388	warn $@;
2389	warn "error while reloading, exiting.";
2390	exit 1;
2391	}
2392		3564
2393	warn "reloaded";	3565	warn "reloaded";
2394	};	3566	};
2395		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
2396	register_command "reload" => sub {	3580	register_command "reload" => sub {
2397	my ($who, $arg) = @_;	3581	my ($who, $arg) = @_;
2398		3582
2399	if ($who->flag (FLAG_WIZ)) {	3583	if ($who->flag (FLAG_WIZ)) {
2400	$who->message ("start of reload.");
2401	reload;
2402	$who->message ("end of reload.");	3584	$who->message ("reloading server.");
		3585	async {
		3586	$Coro::current->{desc} = "perl_reload";
		3587	reload_perl;
		3588	};
2403	}	3589	}
2404	};	3590	};
2405		3591
2406	unshift @INC, $LIBDIR;	3592	unshift @INC, $LIBDIR;
2407		3593
2408	$TICK_WATCHER = Event->timer (	3594	my $bug_warning = 0;
2409	reentrant => 0,
2410	prio => 0,
2411	at => $NEXT_TICK || $TICK,
2412	data => WF_AUTOCANCEL,
2413	cb => sub {
2414	$NOW = Event::time;
2415		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
2416	cf::server_tick; # one server iteration	3626	cf::server_tick; # one server iteration
		3627
2417	$RUNTIME += $TICK;	3628	$RUNTIME += $TICK;
2418	$NEXT_TICK += $TICK;	3629	$NEXT_TICK = $_[0]->at;
2419		3630
2420	$WAIT_FOR_TICK->broadcast;	3631	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2421	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3632	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2422		3633	Coro::async_pool {
2423	# if we are delayed by four ticks or more, skip them all	3634	$Coro::current->{desc} = "runtime saver";
2424	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2425
2426	$TICK_WATCHER->at ($NEXT_TICK);
2427	$TICK_WATCHER->start;
2428	},
2429	);
2430
2431	IO::AIO::max_poll_time $TICK * 0.2;
2432
2433	$AIO_POLL_WATCHER = Event->io (
2434	fd => IO::AIO::poll_fileno,
2435	poll => 'r',
2436	prio => 5,
2437	data => WF_AUTOCANCEL,
2438	cb => \&IO::AIO::poll_cb,
2439	);
2440
2441	$WRITE_RUNTIME_WATCHER = Event->timer (
2442	data => WF_AUTOCANCEL,
2443	after => 0,
2444	interval => 10,
2445	cb => sub {
2446	(Coro::unblock_sub {
2447	write_runtime	3635	write_runtime
2448	or warn "ERROR: unable to write runtime file: $!";	3636	or warn "ERROR: unable to write runtime file: $!";
2449	})->();	3637	};
2450	},	3638	}
2451	);	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;
2452		3745
2453	END { cf::emergency_save }	3746	END { cf::emergency_save }
2454		3747
2455	1	3748	1
2456		3749

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