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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC vs.
Revision 1.408 by root, Mon Jan 14 10:12:12 2008 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use EV 1.86;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.3 ();	15	use Coro 4.32 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
19		26
		27	use JSON::XS 2.01 ();
		28	use BDB ();
20	use Data::Dumper;	29	use Data::Dumper;
21	use Digest::MD5;	30	use Digest::MD5;
22	use Fcntl;	31	use Fcntl;
		32	use YAML ();
23	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	34	use Time::HiRes;
		35	use Compress::LZF;
		36	use Digest::MD5 ();
26		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	# configure various modules to our taste
		39	#
		40	$Storable::canonical = 1; # reduce rsync transfers
		41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		43
		44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		45
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
36	our %COMMAND = ();	48	our %COMMAND = ();
37	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
38		50
39	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		59
47	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71	our %RESOURCE;
		72
		73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	74	our $TICK_WATCHER;
		75	our $AIO_POLL_WATCHER;
		76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	77	our $NEXT_TICK;
50	our $NOW;	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
		84	our $DB_ENV;
51		85
52	our %CFG;	86	our %CFG;
53		87
54	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
56		91
57	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		95
65	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
68	binmode STDOUT;	103	binmode STDOUT;
69	binmode STDERR;	104	binmode STDERR;
70		105
71	# read virtual server time, if available	106	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
76	}	111	}
77		112
78	mkdir cf::localdir;	113	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		115
84	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
85		119
86	#############################################################################	120	#############################################################################
87		121
88	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
89		123
…		…
96	=item $cf::RUNTIME	130	=item $cf::RUNTIME
97		131
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	133	every server tick.
100		134
101	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		138
103	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
105		143
106	=item $cf::NOW	144	=item $cf::NOW
107		145
108	The time of the last (current) server tick.	146	The time of the last (current) server tick.
109		147
110	=item $cf::TICK	148	=item $cf::TICK
111		149
112	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
113		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
		161
114	=item %cf::CFG	162	=item %cf::CFG
115		163
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	165	from wherever your confdir points to.
118		166
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		168
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
125		178
126	=back	179	=back
127		180
128	=cut	181	=cut
129		182
130	BEGIN {	183	BEGIN {
131	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	185	my $msg = join "", @_;
133	utf8::encode $msg;
134		186
135	$msg .= "\n"	187	$msg .= "\n"
136	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
137		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
138	LOG llevError, $msg;	192	LOG llevError, $msg;
139	};	193	};
140	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	warn Carp::longmess $_[0];
		198	Coro::terminate;
		199	};
141		200
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	204	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	205	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		206	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	207	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		208
149	# we bless all objects into (empty) derived classes to force a method lookup	209	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	210	# within the Safe compartment.
151	for my $pkg (qw(	211	for my $pkg (qw(
152	cf::global cf::attachable	212	cf::global cf::attachable
…		…
157	)) {	217	)) {
158	no strict 'refs';	218	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	220	}
161		221
162	$Event::DIED = sub {	222	$EV::DIED = sub {
163	warn "error in event callback: @_";	223	warn "error in event callback: @_";
164	};	224	};
		225
		226	#############################################################################
165		227
166	=head2 UTILITY FUNCTIONS	228	=head2 UTILITY FUNCTIONS
167		229
168	=over 4	230	=over 4
169		231
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	250	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	251	$d
190	} || "[unable to dump $_[0]: '$@']";	252	} || "[unable to dump $_[0]: '$@']";
191	}	253	}
192		254
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	255	=item $ref = cf::decode_json $json
196		256
197	Converts a JSON string into the corresponding perl data structure.	257	Converts a JSON string into the corresponding perl data structure.
198		258
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	259	=item $json = cf::encode_json $ref
207		260
208	Converts a perl data structure into its JSON representation.	261	Converts a perl data structure into its JSON representation.
209		262
210	=cut	263	=cut
211		264
212	sub to_json($) {	265	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	266
214	JSON::Syck::Dump $_[0]	267	sub encode_json($) { $json_coder->encode ($_[0]) }
215	}	268	sub decode_json($) { $json_coder->decode ($_[0]) }
216		269
217	=item cf::lock_wait $string	270	=item cf::lock_wait $string
218		271
219	Wait until the given lock is available. See cf::lock_acquire.	272	Wait until the given lock is available. See cf::lock_acquire.
220		273
…		…
223	Wait until the given lock is available and then acquires it and returns	276	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	277	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	278	for example when the coroutine gets canceled), the lock is automatically
226	returned.	279	returned.
227		280
		281	Locks are *not* recursive, locking from the same coro twice results in a
		282	deadlocked coro.
		283
228	Lock names should begin with a unique identifier (for example, cf::map::find	284	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	285	uses map_find and cf::map::load uses map_load).
230		286
		287	=item $locked = cf::lock_active $string
		288
		289	Return true if the lock is currently active, i.e. somebody has locked it.
		290
231	=cut	291	=cut
232		292
233	our %LOCK;	293	our %LOCK;
		294	our %LOCKER;#d#
234		295
235	sub lock_wait($) {	296	sub lock_wait($) {
236	my ($key) = @_;	297	my ($key) = @_;
		298
		299	if ($LOCKER{$key} == $Coro::current) {#d#
		300	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		301	return;#d#
		302	}#d#
237		303
238	# wait for lock, if any	304	# wait for lock, if any
239	while ($LOCK{$key}) {	305	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	306	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	307	Coro::schedule;
…		…
247		313
248	# wait, to be sure we are not locked	314	# wait, to be sure we are not locked
249	lock_wait $key;	315	lock_wait $key;
250		316
251	$LOCK{$key} = [];	317	$LOCK{$key} = [];
		318	$LOCKER{$key} = $Coro::current;#d#
252		319
253	Coro::guard {	320	Coro::guard {
		321	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	322	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	323	$_->ready for @{ delete $LOCK{$key} };
256	}	324	}
257	}	325	}
258		326
		327	sub lock_active($) {
		328	my ($key) = @_;
		329
		330	! ! $LOCK{$key}
		331	}
		332
259	sub freeze_mainloop {	333	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	334	return unless $TICK_WATCHER->is_active;
261		335
262	my $guard = Coro::guard { $TICK_WATCHER->start };	336	my $guard = Coro::guard {
		337	$TICK_WATCHER->start;
		338	};
263	$TICK_WATCHER->stop;	339	$TICK_WATCHER->stop;
264	$guard	340	$guard
		341	}
		342
		343	=item cf::periodic $interval, $cb
		344
		345	Like EV::periodic, but randomly selects a starting point so that the actions
		346	get spread over timer.
		347
		348	=cut
		349
		350	sub periodic($$) {
		351	my ($interval, $cb) = @_;
		352
		353	my $start = rand List::Util::min 180, $interval;
		354
		355	EV::periodic $start, $interval, 0, $cb
		356	}
		357
		358	=item cf::get_slot $time[, $priority[, $name]]
		359
		360	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		361	This call blocks and returns only when you have at least C<$time> seconds
		362	of cpu time till the next tick. The slot is only valid till the next cede.
		363
		364	The optional C<$name> can be used to identify the job to run. It might be
		365	used for statistical purposes and should identify the same time-class.
		366
		367	Useful for short background jobs.
		368
		369	=cut
		370
		371	our @SLOT_QUEUE;
		372	our $SLOT_QUEUE;
		373
		374	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		375	$SLOT_QUEUE = Coro::async {
		376	$Coro::current->desc ("timeslot manager");
		377
		378	my $signal = new Coro::Signal;
		379
		380	while () {
		381	next_job:
		382	my $avail = cf::till_tick;
		383	if ($avail > 0.01) {
		384	for (0 .. $#SLOT_QUEUE) {
		385	if ($SLOT_QUEUE[$_][0] < $avail) {
		386	my $job = splice @SLOT_QUEUE, $_, 1, ();
		387	$job->[2]->send;
		388	Coro::cede;
		389	goto next_job;
		390	}
		391	}
		392	}
		393
		394	if (@SLOT_QUEUE) {
		395	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		396	push @cf::WAIT_FOR_TICK, $signal;
		397	$signal->wait;
		398	} else {
		399	Coro::schedule;
		400	}
		401	}
		402	};
		403
		404	sub get_slot($;$$) {
		405	my ($time, $pri, $name) = @_;
		406
		407	$time = $TICK * .6 if $time > $TICK * .6;
		408	my $sig = new Coro::Signal;
		409
		410	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		411	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		412	$SLOT_QUEUE->ready;
		413	$sig->wait;
265	}	414	}
266		415
267	=item cf::async { BLOCK }	416	=item cf::async { BLOCK }
268		417
269	Currently the same as Coro::async_pool, meaning you cannot use	418	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		423
275	BEGIN { *async = \&Coro::async_pool }	424	BEGIN { *async = \&Coro::async_pool }
276		425
277	=item cf::sync_job { BLOCK }	426	=item cf::sync_job { BLOCK }
278		427
279	The design of crossfire+ requires that the main coro ($Coro::main) is	428	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	429	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	430	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		431	acceptable.
282		432
283	If it must be done, put the blocking parts into C<sync_job>. This will run	433	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	434	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	435	server will be frozen during this time, so the block should either finish
286	fast or be very important.	436	fast or be very important.
…		…
289		439
290	sub sync_job(&) {	440	sub sync_job(&) {
291	my ($job) = @_;	441	my ($job) = @_;
292		442
293	if ($Coro::current == $Coro::main) {	443	if ($Coro::current == $Coro::main) {
		444	my $time = EV::time;
		445
294	# this is the main coro, too bad, we have to block	446	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	447	# till the operation succeeds, freezing the server :/
296		448
		449	LOG llevError, Carp::longmess "sync job";#d#
		450
297	# TODO: use suspend/resume instead	451	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	452	# (but this is cancel-safe)
299	my $freeze_guard = freeze_mainloop;	453	my $freeze_guard = freeze_mainloop;
300		454
301	my $busy = 1;	455	my $busy = 1;
302	my @res;	456	my @res;
303		457
304	(async {	458	(async {
		459	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	460	@res = eval { $job->() };
306	warn $@ if $@;	461	warn $@ if $@;
307	undef $busy;	462	undef $busy;
308	})->prio (Coro::PRIO_MAX);	463	})->prio (Coro::PRIO_MAX);
309		464
310	while ($busy) {	465	while ($busy) {
311	Coro::cede or Event::one_event;	466	if (Coro::nready) {
		467	Coro::cede_notself;
		468	} else {
		469	EV::loop EV::LOOP_ONESHOT;
312	}	470	}
		471	}
		472
		473	$time = EV::time - $time;
		474
		475	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		476	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		477
		478	$tick_start += $time; # do not account sync jobs to server load
313		479
314	wantarray ? @res : $res[0]	480	wantarray ? @res : $res[0]
315	} else {	481	} else {
316	# we are in another coroutine, how wonderful, everything just works	482	# we are in another coroutine, how wonderful, everything just works
317		483
…		…
337	$EXT_CORO{$coro+0} = $coro;	503	$EXT_CORO{$coro+0} = $coro;
338		504
339	$coro	505	$coro
340	}	506	}
341		507
342	sub write_runtime {	508	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		509
345	my $runtime = cf::localdir . "/runtime";	510	Executes the given code block with the given arguments in a seperate
		511	process, returning the results. Everything must be serialisable with
		512	Coro::Storable. May, of course, block. Note that the executed sub may
		513	never block itself or use any form of event handling.
346		514
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	515	=cut
348	or return;
349		516
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	517	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	518	my ($cb, @args) = @_;
352	and return;
353		519
354	aio_fsync $fh	520	# we seemingly have to make a local copy of the whole thing,
355	and return;	521	# otherwise perl prematurely frees the stuff :/
		522	# TODO: investigate and fix (likely this will be rather laborious)
356		523
357	close $fh	524	my @res = Coro::Util::fork_eval {
358	or return;	525	reset_signals;
		526	&$cb
		527	}, @args;
359		528
360	aio_rename "$runtime~", $runtime	529	wantarray ? @res : $res[-1]
361	and return;	530	}
362		531
		532	=item $value = cf::db_get $family => $key
		533
		534	Returns a single value from the environment database.
		535
		536	=item cf::db_put $family => $key => $value
		537
		538	Stores the given C<$value> in the family. It can currently store binary
		539	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		540
		541	=item $db = cf::db_table "name"
		542
		543	Create and/or open a new database table. The string must not be "db" and must be unique
		544	within each server.
		545
		546	=cut
		547
		548	sub db_table($) {
		549	my ($name) = @_;
		550	my $db = BDB::db_create $DB_ENV;
		551
		552	eval {
		553	$db->set_flags (BDB::CHKSUM);
		554
		555	utf8::encode $name;
		556	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		557	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		558	cf::cleanup "db_open(db): $!" if $!;
		559	};
		560	cf::cleanup "db_open(db): $@" if $@;
		561
		562	$db
		563	}
		564
		565	our $DB;
		566
		567	sub db_init {
		568	cf::sync_job {
		569	$DB ||= db_table "db";
		570	};
		571	}
		572
		573	sub db_get($$) {
		574	my $key = "$_[0]/$_[1]";
		575
		576	cf::sync_job {
		577	BDB::db_get $DB, undef, $key, my $data;
		578
		579	$! ? ()
		580	: $data
363	1	581	}
		582	}
		583
		584	sub db_put($$$) {
		585	BDB::dbreq_pri 4;
		586	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		587	}
		588
		589	=item cf::cache $id => [$paths...], $processversion => $process
		590
		591	Generic caching function that returns the value of the resource $id,
		592	caching and regenerating as required.
		593
		594	This function can block.
		595
		596	=cut
		597
		598	sub cache {
		599	my ($id, $src, $processversion, $process) = @_;
		600
		601	my $meta =
		602	join "\x00",
		603	$processversion,
		604	map {
		605	aio_stat $_
		606	and Carp::croak "$_: $!";
		607
		608	($_, (stat _)[7,9])
		609	} @$src;
		610
		611	my $dbmeta = db_get cache => "$id/meta";
		612	if ($dbmeta ne $meta) {
		613	# changed, we may need to process
		614
		615	my @data;
		616	my $md5;
		617
		618	for (0 .. $#$src) {
		619	0 <= aio_load $src->[$_], $data[$_]
		620	or Carp::croak "$src->[$_]: $!";
		621	}
		622
		623	# if processing is expensive, check
		624	# checksum first
		625	if (1) {
		626	$md5 =
		627	join "\x00",
		628	$processversion,
		629	map {
		630	cf::cede_to_tick;
		631	($src->[$_], Digest::MD5::md5_hex $data[$_])
		632	} 0.. $#$src;
		633
		634
		635	my $dbmd5 = db_get cache => "$id/md5";
		636	if ($dbmd5 eq $md5) {
		637	db_put cache => "$id/meta", $meta;
		638
		639	return db_get cache => "$id/data";
		640	}
		641	}
		642
		643	my $t1 = Time::HiRes::time;
		644	my $data = $process->(\@data);
		645	my $t2 = Time::HiRes::time;
		646
		647	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		648
		649	db_put cache => "$id/data", $data;
		650	db_put cache => "$id/md5" , $md5;
		651	db_put cache => "$id/meta", $meta;
		652
		653	return $data;
		654	}
		655
		656	db_get cache => "$id/data"
		657	}
		658
		659	=item cf::datalog type => key => value, ...
		660
		661	Log a datalog packet of the given type with the given key-value pairs.
		662
		663	=cut
		664
		665	sub datalog($@) {
		666	my ($type, %kv) = @_;
		667	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	668	}
365		669
366	=back	670	=back
367		671
368	=cut	672	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	679	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	680	to it. All such attachable objects support the following methods.
377		681
378	In the following description, CLASS can be any of C<global>, C<object>	682	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	683	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	684	Deliantra).
381		685
382	=over 4	686	=over 4
383		687
384	=item $attachable->attach ($attachment, key => $value...)	688	=item $attachable->attach ($attachment, key => $value...)
385		689
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	803	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	804	our @CB_MAP = ();
501		805
502	my %attachment;	806	my %attachment;
503		807
		808	sub cf::attachable::thawer_merge {
		809	# simply override everything except _meta
		810	local $_[0]{_meta};
		811	%{$_[0]} = %{$_[1]};
		812	}
		813
504	sub _attach_cb($$$$) {	814	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	815	my ($registry, $event, $prio, $cb) = @_;
506		816
507	use sort 'stable';	817	use sort 'stable';
508		818
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	852	$registry = $CB_TYPE[$object_type] ||= [];
543		853
544	} elsif ($type eq "subtype") {	854	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	855	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	856	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	857	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		858
549	} elsif ($type eq "package") {	859	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	860	my $pkg = shift @arg;
551		861
552	while (my ($name, $id) = each %cb_id) {	862	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	891	_attach $registry, $klass, @attach;
582	}	892	}
583		893
584	$obj->{$name} = \%arg;	894	$obj->{$name} = \%arg;
585	} else {	895	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	896	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	897	}
588		898
589	$obj->{_attachment}{$name} = undef;	899	$obj->{_attachment}{$name} = undef;
590	}	900	}
591		901
…		…
593	if (ref $_[0]) {	903	if (ref $_[0]) {
594	_object_attach @_;	904	_object_attach @_;
595	} else {	905	} else {
596	_attach shift->_attach_registry, @_;	906	_attach shift->_attach_registry, @_;
597	}	907	}
		908	_recalc_want;
598	};	909	};
599		910
600	# all those should be optimised	911	# all those should be optimised
601	sub cf::attachable::detach {	912	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	913	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	916	delete $obj->{_attachment}{$name};
606	reattach ($obj);	917	reattach ($obj);
607	} else {	918	} else {
608	Carp::croak "cannot, currently, detach class attachments";	919	Carp::croak "cannot, currently, detach class attachments";
609	}	920	}
		921	_recalc_want;
610	};	922	};
611		923
612	sub cf::attachable::attached {	924	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	925	my ($obj, $name) = @_;
614		926
…		…
629	";	941	";
630	die if $@;	942	die if $@;
631	}	943	}
632		944
633	our $override;	945	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	946	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		947
636	sub override {	948	sub override {
637	$override = 1;	949	$override = 1;
638	@invoke_results = ();	950	@INVOKE_RESULTS = (@_);
639	}	951	}
640		952
641	sub do_invoke {	953	sub do_invoke {
642	my $event = shift;	954	my $event = shift;
643	my $callbacks = shift;	955	my $callbacks = shift;
644		956
645	@invoke_results = ();	957	@INVOKE_RESULTS = ();
646		958
647	local $override;	959	local $override;
648		960
649	for (@$callbacks) {	961	for (@$callbacks) {
650	eval { &{$_->[1]} };	962	eval { &{$_->[1]} };
…		…
659	}	971	}
660		972
661	0	973	0
662	}	974	}
663		975
664	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
665		977
666	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	978	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
667		979
668	Generate an object-specific event with the given arguments.	980	Generate an object-specific event with the given arguments.
669		981
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	982	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	983	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	984	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		985
674	=back	986	=back
675		987
676	=cut	988	=cut
677		989
678	#############################################################################	990	#############################################################################
679	# object support	991	# object support
		992
		993	sub _object_equal($$);
		994	sub _object_equal($$) {
		995	my ($a, $b) = @_;
		996
		997	return 0 unless (ref $a) eq (ref $b);
		998
		999	if ("HASH" eq ref $a) {
		1000	my @ka = keys %$a;
		1001	my @kb = keys %$b;
		1002
		1003	return 0 if @ka != @kb;
		1004
		1005	for (0 .. $#ka) {
		1006	return 0 unless $ka[$_] eq $kb[$_];
		1007	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1008	}
		1009
		1010	} elsif ("ARRAY" eq ref $a) {
		1011
		1012	return 0 if @$a != @$b;
		1013
		1014	for (0 .. $#$a) {
		1015	return 0 unless _object_equal $a->[$_], $b->[$_];
		1016	}
		1017
		1018	} elsif ($a ne $b) {
		1019	return 0;
		1020	}
		1021
		1022	1
		1023	}
		1024
		1025	our $SLOW_MERGES;#d#
		1026	sub _can_merge {
		1027	my ($ob1, $ob2) = @_;
		1028
		1029	++$SLOW_MERGES;#d#
		1030
		1031	# we do the slow way here
		1032	return _object_equal $ob1, $ob2
		1033	}
680		1034
681	sub reattach {	1035	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1036	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1037	my ($obj) = @_;
		1038
		1039	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1040
685	my $registry = $obj->registry;	1041	my $registry = $obj->registry;
686		1042
687	@$registry = ();	1043	@$registry = ();
688		1044
…		…
703	cf::attachable->attach (	1059	cf::attachable->attach (
704	prio => -1000000,	1060	prio => -1000000,
705	on_instantiate => sub {	1061	on_instantiate => sub {
706	my ($obj, $data) = @_;	1062	my ($obj, $data) = @_;
707		1063
708	$data = from_json $data;	1064	$data = decode_json $data;
709		1065
710	for (@$data) {	1066	for (@$data) {
711	my ($name, $args) = @$_;	1067	my ($name, $args) = @$_;
712		1068
713	$obj->attach ($name, %{$args || {} });	1069	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1085	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1086	my ($filename, $rdata, $objs) = @_;
731		1087
732	sync_job {	1088	sync_job {
733	if (length $$rdata) {	1089	if (length $$rdata) {
		1090	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1091	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1092	$decname, length $$rdata, scalar @$objs;
736		1093
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1095	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1097	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1098	close $fh;
742		1099
743	if (@$objs) {	1100	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1101	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1102	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1104	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1105	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1106	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1107	aio_rename "$filename.pst~", "$filename.pst";
751	}	1108	}
752	} else {	1109	} else {
753	aio_unlink "$filename.pst";	1110	aio_unlink "$filename.pst";
…		…
759	}	1116	}
760	} else {	1117	} else {
761	aio_unlink $filename;	1118	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1119	aio_unlink "$filename.pst";
763	}	1120	}
764	}	1121	};
765	}	1122	}
766		1123
767	sub object_freezer_as_string {	1124	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1125	my ($rdata, $objs) = @_;
769		1126
…		…
781	or return;	1138	or return;
782		1139
783	unless (aio_stat "$filename.pst") {	1140	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1141	(aio_load "$filename.pst", $av) >= 0
785	or return;	1142	or return;
		1143
786	$av = eval { (Storable::thaw $av)->{objs} };	1144	my $st = eval { Coro::Storable::thaw $av };
		1145	$av = $st->{objs};
787	}	1146	}
788		1147
		1148	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1149	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1150	$decname, length $data, scalar @{$av || []};
		1151
791	return ($data, $av);	1152	($data, $av)
792	}	1153	}
		1154
		1155	=head2 COMMAND CALLBACKS
		1156
		1157	=over 4
		1158
		1159	=cut
793		1160
794	#############################################################################	1161	#############################################################################
795	# command handling &c	1162	# command handling &c
796		1163
797	=item cf::register_command $name => \&callback($ob,$args);	1164	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1177	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1178	}
812		1179
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1180	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1181
815	Register a callbackf ro execution when the client sends an extcmd packet.	1182	Register a callback for execution when the client sends an (synchronous)
		1183	extcmd packet. Ext commands will be processed in the order they are
		1184	received by the server, like other user commands. The first argument is
		1185	the logged-in player. Ext commands can only be processed after a player
		1186	has logged in successfully.
816		1187
817	If the callback returns something, it is sent back as if reply was being	1188	If the callback returns something, it is sent back as if reply was being
818	called.	1189	called.
819		1190
		1191	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1192
		1193	Register a callback for execution when the client sends an (asynchronous)
		1194	exticmd packet. Exti commands are processed by the server as soon as they
		1195	are received, i.e. out of order w.r.t. other commands. The first argument
		1196	is a client socket. Exti commands can be received anytime, even before
		1197	log-in.
		1198
		1199	If the callback returns something, it is sent back as if reply was being
		1200	called.
		1201
820	=cut	1202	=cut
821		1203
822	sub register_extcmd {	1204	sub register_extcmd {
823	my ($name, $cb) = @_;	1205	my ($name, $cb) = @_;
824		1206
825	$EXTCMD{$name} = $cb;	1207	$EXTCMD{$name} = $cb;
		1208	}
		1209
		1210	sub register_exticmd {
		1211	my ($name, $cb) = @_;
		1212
		1213	$EXTICMD{$name} = $cb;
826	}	1214	}
827		1215
828	cf::player->attach (	1216	cf::player->attach (
829	on_command => sub {	1217	on_command => sub {
830	my ($pl, $name, $params) = @_;	1218	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1227	cf::override;
840	},	1228	},
841	on_extcmd => sub {	1229	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1230	my ($pl, $buf) = @_;
843		1231
844	my $msg = eval { from_json $buf };	1232	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1233
846	if (ref $msg) {	1234	if (ref $msg) {
		1235	my ($type, $reply, @payload) =
		1236	"ARRAY" eq ref $msg
		1237	? @$msg
		1238	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1239
		1240	my @reply;
		1241
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1242	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1243	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1244	}
		1245
		1246	$pl->ext_reply ($reply, @reply)
		1247	if $reply;
		1248
852	} else {	1249	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1250	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1251	}
855		1252
856	cf::override;	1253	cf::override;
857	},	1254	},
858	);	1255	);
859		1256
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1257	sub load_extensions {
		1258	cf::sync_job {
		1259	my %todo;
		1260
895	for my $ext (<$LIBDIR/*.ext>) {	1261	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1262	next unless -r $path;
897	eval {	1263
898	load_extension $ext;	1264	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1265	my $base = $1;
		1266	my $pkg = $1;
		1267	$pkg =~ s/[^[:word:]]/_/g;
		1268	$pkg = "ext::$pkg";
		1269
		1270	open my $fh, "<:utf8", $path
		1271	or die "$path: $!";
		1272
		1273	my $source = do { local $/; <$fh> };
		1274
		1275	my %ext = (
		1276	path => $path,
		1277	base => $base,
		1278	pkg => $pkg,
		1279	);
		1280
		1281	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1282	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1283
		1284	$ext{source} =
		1285	"package $pkg; use strict; use utf8;\n"
		1286	. "#line 1 \"$path\"\n{\n"
		1287	. $source
		1288	. "\n};\n1";
		1289
		1290	$todo{$base} = \%ext;
		1291	}
		1292
		1293	my %done;
		1294	while (%todo) {
		1295	my $progress;
		1296
		1297	while (my ($k, $v) = each %todo) {
		1298	for (split /,\s*/, $v->{meta}{depends}) {
		1299	goto skip
		1300	unless exists $done{$_};
		1301	}
		1302
		1303	warn "... loading '$k' into '$v->{pkg}'\n";
		1304
		1305	unless (eval $v->{source}) {
		1306	my $msg = $@ ? "$v->{path}: $@\n"
		1307	: "$v->{base}: extension inactive.\n";
		1308
		1309	if (exists $v->{meta}{mandatory}) {
		1310	warn $msg;
		1311	warn "mandatory extension failed to load, exiting.\n";
		1312	exit 1;
		1313	}
		1314
		1315	warn $msg;
		1316	}
		1317
		1318	$done{$k} = delete $todo{$k};
		1319	push @EXTS, $v->{pkg};
		1320	$progress = 1;
899	1	1321	}
900	} or warn "$ext not loaded: $@";	1322
		1323	skip:
		1324	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1325	unless $progress;
		1326	}
901	}	1327	};
902	}	1328	}
903		1329
904	#############################################################################	1330	#############################################################################
905		1331
		1332	=back
		1333
906	=head2 CORE EXTENSIONS	1334	=head2 CORE EXTENSIONS
907		1335
908	Functions and methods that extend core crossfire objects.	1336	Functions and methods that extend core crossfire objects.
909		1337
910	=cut	1338	=cut
…		…
915		1343
916	=head3 cf::player	1344	=head3 cf::player
917		1345
918	=over 4	1346	=over 4
919		1347
		1348	=item cf::player::num_playing
		1349
		1350	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1351
		1352	=cut
		1353
		1354	sub num_playing {
		1355	scalar grep
		1356	$_->ob->map
		1357	&& !$_->hidden
		1358	&& !$_->ob->flag (cf::FLAG_WIZ),
		1359	cf::player::list
		1360	}
		1361
920	=item cf::player::find $login	1362	=item cf::player::find $login
921		1363
922	Returns the given player object, loading it if necessary (might block).	1364	Returns the given player object, loading it if necessary (might block).
923		1365
924	=cut	1366	=cut
925		1367
926	sub playerdir($) {	1368	sub playerdir($) {
927	cf::localdir	1369	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1370	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1371	}
933		1372
934	sub path($) {	1373	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1374	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1375
937	(playerdir $login) . "/$login.pl"	1376	(playerdir $login) . "/playerdata"
938	}	1377	}
939		1378
940	sub find_active($) {	1379	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1380	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1381	and $cf::PLAYER{$_[0]}->active
…		…
945		1384
946	sub exists($) {	1385	sub exists($) {
947	my ($login) = @_;	1386	my ($login) = @_;
948		1387
949	$cf::PLAYER{$login}	1388	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1389	or cf::sync_job { !aio_stat path $login }
951	}	1390	}
952		1391
953	sub find($) {	1392	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1393	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1394	my $login = $_[0];
956		1395
957	my $guard = cf::lock_acquire "user_find:$login";	1396	my $guard = cf::lock_acquire "user_find:$login";
958		1397
959	$cf::PLAYER{$_[0]} || do {	1398	$cf::PLAYER{$_[0]} || do {
960	my $pl = load_pl path $login	1399	# rename old playerfiles to new ones
		1400	#TODO: remove when no longer required
		1401	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1402	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1403	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1404	aio_unlink +(playerdir $login) . "/$login.pl";
		1405
		1406	my $f = new_from_file cf::object::thawer path $login
961	or return;	1407	or return;
		1408
		1409	my $pl = cf::player::load_pl $f
		1410	or return;
		1411	local $cf::PLAYER_LOADING{$login} = $pl;
		1412	$f->resolve_delayed_derefs;
962	$cf::PLAYER{$login} = $pl	1413	$cf::PLAYER{$login} = $pl
963	}	1414	}
964	}	1415	}
965	}	1416	}
966		1417
…		…
976		1427
977	aio_mkdir playerdir $pl, 0770;	1428	aio_mkdir playerdir $pl, 0770;
978	$pl->{last_save} = $cf::RUNTIME;	1429	$pl->{last_save} = $cf::RUNTIME;
979		1430
980	$pl->save_pl ($path);	1431	$pl->save_pl ($path);
981	Coro::cede;	1432	cf::cede_to_tick;
982	}	1433	}
983		1434
984	sub new($) {	1435	sub new($) {
985	my ($login) = @_;	1436	my ($login) = @_;
986		1437
…		…
992	$cf::PLAYER{$login} = $self;	1443	$cf::PLAYER{$login} = $self;
993		1444
994	$self	1445	$self
995	}	1446	}
996		1447
		1448	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1449
		1450	=cut
		1451
		1452	sub send_msg {
		1453	my $ns = shift->ns
		1454	or return;
		1455	$ns->send_msg (@_);
		1456	}
		1457
997	=item $pl->quit_character	1458	=item $pl->quit_character
998		1459
999	Nukes the player without looking back. If logged in, the connection will	1460	Nukes the player without looking back. If logged in, the connection will
1000	be destroyed. May block for a long time.	1461	be destroyed. May block for a long time.
1001		1462
1002	=cut	1463	=cut
1003		1464
1004	sub quit_character {	1465	sub quit_character {
1005	my ($pl) = @_;	1466	my ($pl) = @_;
		1467
		1468	my $name = $pl->ob->name;
1006		1469
1007	$pl->{deny_save} = 1;	1470	$pl->{deny_save} = 1;
1008	$pl->password ("*"); # this should lock out the player until we nuked the dir	1471	$pl->password ("*"); # this should lock out the player until we nuked the dir
1009		1472
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1473	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1478	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1479	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1480	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1481	delete $cf::PLAYER{$pl->ob->name};
1019	$pl->destroy;	1482	$pl->destroy;
		1483
		1484	my $prefix = qr<^~\Q$name\E/>;
		1485
		1486	# nuke player maps
		1487	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1488
1020	IO::AIO::aio_rmtree $temp;	1489	IO::AIO::aio_rmtree $temp;
		1490	}
		1491
		1492	=item $pl->kick
		1493
		1494	Kicks a player out of the game. This destroys the connection.
		1495
		1496	=cut
		1497
		1498	sub kick {
		1499	my ($pl, $kicker) = @_;
		1500
		1501	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1502	$pl->killer ("kicked");
		1503	$pl->ns->destroy;
1021	}	1504	}
1022		1505
1023	=item cf::player::list_logins	1506	=item cf::player::list_logins
1024		1507
1025	Returns am arrayref of all valid playernames in the system, can take a	1508	Returns am arrayref of all valid playernames in the system, can take a
1026	while and may block, so not sync_job-capable, ever.	1509	while and may block, so not sync_job-capable, ever.
1027		1510
1028	=cut	1511	=cut
1029		1512
1030	sub list_logins {	1513	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1514	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1515	or return [];
1033		1516
1034	my @logins;	1517	my @logins;
1035		1518
1036	for my $login (@$dirs) {	1519	for my $login (@$dirs) {
		1520	my $path = path $login;
		1521
		1522	# a .pst is a dead give-away for a valid player
		1523	unless (-e "$path.pst") {
1037	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1038	aio_read $fh, 0, 512, my $buf, 0 or next;	1525	aio_read $fh, 0, 512, my $buf, 0 or next;
1039	$buf !~ /^password -------------$/m or next; # official not-valid tag	1526	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1527	}
1040		1528
1041	utf8::decode $login;	1529	utf8::decode $login;
1042	push @logins, $login;	1530	push @logins, $login;
1043	}	1531	}
1044		1532
…		…
1052		1540
1053	=cut	1541	=cut
1054		1542
1055	sub maps($) {	1543	sub maps($) {
1056	my ($pl) = @_;	1544	my ($pl) = @_;
		1545
		1546	$pl = ref $pl ? $pl->ob->name : $pl;
1057		1547
1058	my $files = aio_readdir playerdir $pl	1548	my $files = aio_readdir playerdir $pl
1059	or return;	1549	or return;
1060		1550
1061	my @paths;	1551	my @paths;
…		…
1063	for (@$files) {	1553	for (@$files) {
1064	utf8::decode $_;	1554	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1555	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1556	next unless /^$PATH_SEP/o;
1067		1557
1068	s/\.map$//;	1558	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1559	}
1071		1560
1072	\@paths	1561	\@paths
1073	}	1562	}
1074		1563
		1564	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1565
		1566	Expand crossfire pod fragments into protocol xml.
		1567
		1568	=cut
		1569
		1570	use re 'eval';
		1571
		1572	my $group;
		1573	my $interior; $interior = qr{
		1574	# match a pod interior sequence sans C<< >>
		1575	(?:
		1576	\ (.*?)\ (?{ $group = $^N })
		1577	| < (??{$interior}) >
		1578	)
		1579	}x;
		1580
		1581	sub expand_cfpod {
		1582	my ($self, $pod) = @_;
		1583
		1584	my $xml;
		1585
		1586	while () {
		1587	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1588	$group = $1;
		1589
		1590	$group =~ s/&/&amp;/g;
		1591	$group =~ s/</&lt;/g;
		1592
		1593	$xml .= $group;
		1594	} elsif ($pod =~ m%\G
		1595	([BCGHITU])
		1596	<
		1597	(?:
		1598	([^<>]*) (?{ $group = $^N })
		1599	| < $interior >
		1600	)
		1601	>
		1602	%gcsx
		1603	) {
		1604	my ($code, $data) = ($1, $group);
		1605
		1606	if ($code eq "B") {
		1607	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1608	} elsif ($code eq "I") {
		1609	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1610	} elsif ($code eq "U") {
		1611	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1612	} elsif ($code eq "C") {
		1613	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1614	} elsif ($code eq "T") {
		1615	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1616	} elsif ($code eq "G") {
		1617	my ($male, $female) = split /\|/, $data;
		1618	$data = $self->gender ? $female : $male;
		1619	$xml .= expand_cfpod ($self, $data);
		1620	} elsif ($code eq "H") {
		1621	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1622	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1623	"")
		1624	[$self->{hintmode}];
		1625	} else {
		1626	$xml .= "error processing '$code($data)' directive";
		1627	}
		1628	} else {
		1629	if ($pod =~ /\G(.+)/) {
		1630	warn "parse error while expanding $pod (at $1)";
		1631	}
		1632	last;
		1633	}
		1634	}
		1635
		1636	for ($xml) {
		1637	# create single paragraphs (very hackish)
		1638	s/(?<=\S)\n(?=\w)/ /g;
		1639
		1640	# compress some whitespace
		1641	s/\s+\n/\n/g; # ws line-ends
		1642	s/\n\n+/\n/g; # double lines
		1643	s/^\n+//; # beginning lines
		1644	s/\n+$//; # ending lines
		1645	}
		1646
		1647	$xml
		1648	}
		1649
		1650	no re 'eval';
		1651
		1652	sub hintmode {
		1653	$_[0]{hintmode} = $_[1] if @_ > 1;
		1654	$_[0]{hintmode}
		1655	}
		1656
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1657	=item $player->ext_reply ($msgid, @msg)
1076		1658
1077	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1078		1660
1079	=cut	1661	=cut
1080		1662
1081	sub ext_reply($$$%) {	1663	sub ext_reply($$@) {
1082	my ($self, $id, %msg) = @_;	1664	my ($self, $id, @msg) = @_;
1083		1665
1084	$msg{msgid} = $id;	1666	$self->ns->ext_reply ($id, @msg)
1085
1086	$self->send ("ext " . cf::to_json \%msg);
1087	}	1667	}
1088		1668
1089	package cf;	1669	=item $player->ext_msg ($type, @msg)
		1670
		1671	Sends an ext event to the client.
		1672
		1673	=cut
		1674
		1675	sub ext_msg($$@) {
		1676	my ($self, $type, @msg) = @_;
		1677
		1678	$self->ns->ext_msg ($type, @msg);
		1679	}
		1680
		1681	=head3 cf::region
		1682
		1683	=over 4
		1684
		1685	=cut
		1686
		1687	package cf::region;
		1688
		1689	=item cf::region::find_by_path $path
		1690
		1691	Tries to decuce the likely region for a map knowing only its path.
		1692
		1693	=cut
		1694
		1695	sub find_by_path($) {
		1696	my ($path) = @_;
		1697
		1698	my ($match, $specificity);
		1699
		1700	for my $region (list) {
		1701	if ($region->{match} && $path =~ $region->{match}) {
		1702	($match, $specificity) = ($region, $region->specificity)
		1703	if $region->specificity > $specificity;
		1704	}
		1705	}
		1706
		1707	$match
		1708	}
1090		1709
1091	=back	1710	=back
1092
1093		1711
1094	=head3 cf::map	1712	=head3 cf::map
1095		1713
1096	=over 4	1714	=over 4
1097		1715
…		…
1101		1719
1102	use Fcntl;	1720	use Fcntl;
1103	use Coro::AIO;	1721	use Coro::AIO;
1104		1722
1105	use overload	1723	use overload
1106	'""' => \&as_string;	1724	'""' => \&as_string,
		1725	fallback => 1;
1107		1726
1108	our $MAX_RESET = 3600;	1727	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1728	our $DEFAULT_RESET = 3000;
1110		1729
1111	sub generate_random_map {	1730	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1731	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1733	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1743	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1744	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1745	)
1128	}	1746	}
1129		1747
		1748	=item cf::map->register ($regex, $prio)
		1749
		1750	Register a handler for the map path matching the given regex at the
		1751	givne priority (higher is better, built-in handlers have priority 0, the
		1752	default).
		1753
		1754	=cut
		1755
1130	sub register {	1756	sub register {
1131	my (undef, $regex) = @_;	1757	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1758	my $pkg = caller;
1133		1759
1134	no strict;	1760	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1761	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1762
1137	$EXT_MAP{$pkg} = qr<$regex>;	1763	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1764	}
1139		1765
1140	# also paths starting with '/'	1766	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1767	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1768
		1769	sub thawer_merge {
		1770	my ($self, $merge) = @_;
		1771
		1772	# we have to keep some variables in memory intact
		1773	local $self->{path};
		1774	local $self->{load_path};
		1775
		1776	$self->SUPER::thawer_merge ($merge);
		1777	}
1142		1778
1143	sub normalise {	1779	sub normalise {
1144	my ($path, $base) = @_;	1780	my ($path, $base) = @_;
		1781
		1782	$path = "$path"; # make sure its a string
		1783
		1784	$path =~ s/\.map$//;
1145		1785
1146	# map plan:	1786	# map plan:
1147	#	1787	#
1148	# /! non-realised random map exit (special hack!)	1788	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1789	# {... are special paths that are not being touched
…		…
1177		1817
1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1818	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179		1819
1180	$path = normalise $path, $base;	1820	$path = normalise $path, $base;
1181		1821
1182	for my $pkg (keys %EXT_MAP) {	1822	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1823	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1824	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1825	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1187	return $self;	1827	return $self;
1188	}	1828	}
1189	}	1829	}
1190		1830
1191	Carp::carp "unable to resolve path '$path'.";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1192	()	1832	()
1193	}	1833	}
1194		1834
1195	sub init {	1835	sub init {
1196	my ($self) = @_;	1836	my ($self) = @_;
…		…
1211		1851
1212	# the original (read-only) location	1852	# the original (read-only) location
1213	sub load_path {	1853	sub load_path {
1214	my ($self) = @_;	1854	my ($self) = @_;
1215		1855
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1856	"$MAPDIR/$self->{path}.map"
1217	}	1857	}
1218		1858
1219	# the temporary/swap location	1859	# the temporary/swap location
1220	sub save_path {	1860	sub save_path {
1221	my ($self) = @_;	1861	my ($self) = @_;
1222		1862
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1864	"$TMPDIR/$path.map"
1225	}	1865	}
1226		1866
1227	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1228	sub uniq_path {	1868	sub uniq_path {
1229	my ($self) = @_;	1869	my ($self) = @_;
1230		1870
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1872	"$UNIQUEDIR/$path"
1233	}	1873	}
1234		1874
1235	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1236	# all maps in C++...	1876	# all maps in C++...
1237	sub change_all_map_light {	1877	sub change_all_map_light {
…		…
1239		1879
1240	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1242	}	1882	}
1243		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1244	sub unlink_save {	1892	sub unlink_save {
1245	my ($self) = @_;	1893	my ($self) = @_;
1246		1894
1247	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1897	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1898	}
1251		1899
1252	sub load_header_from($) {	1900	sub load_header_from($) {
1253	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1254		1902
1255	utf8::encode $path;	1903	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1257	or return;	1905	or return;
1258		1906
1259	$self->_load_header ($path)	1907	$self->_load_header ($f)
1260	or return;	1908	or return;
1261		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
		1912
1262	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1263		1914
1264	1	1915	1
1265	}	1916	}
1266		1917
1267	sub load_orig {	1918	sub load_header_orig {
1268	my ($self) = @_;	1919	my ($self) = @_;
1269		1920
1270	$self->load_header_from ($self->load_path)	1921	$self->load_header_from ($self->load_path)
1271	}	1922	}
1272		1923
1273	sub load_temp {	1924	sub load_header_temp {
1274	my ($self) = @_;	1925	my ($self) = @_;
1275		1926
1276	$self->load_header_from ($self->save_path)	1927	$self->load_header_from ($self->save_path)
		1928	}
		1929
		1930	sub prepare_temp {
		1931	my ($self) = @_;
		1932
		1933	$self->last_access ((delete $self->{last_access})
		1934	|| $cf::RUNTIME); #d#
		1935	# safety
		1936	$self->{instantiate_time} = $cf::RUNTIME
		1937	if $self->{instantiate_time} > $cf::RUNTIME;
		1938	}
		1939
		1940	sub prepare_orig {
		1941	my ($self) = @_;
		1942
		1943	$self->{load_original} = 1;
		1944	$self->{instantiate_time} = $cf::RUNTIME;
		1945	$self->last_access ($cf::RUNTIME);
		1946	$self->instantiate;
1277	}	1947	}
1278		1948
1279	sub load_header {	1949	sub load_header {
1280	my ($self) = @_;	1950	my ($self) = @_;
1281		1951
1282	if ($self->load_temp) {	1952	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1953	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1954	} else {
1289	$self->load_orig	1955	$self->load_header_orig
1290	or return;	1956	or return;
1291		1957	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	1958	}
		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
		1963	$self->default_region (cf::region::find_by_path $self->{path})
		1964	unless $self->default_region;
1297		1965
1298	1	1966	1
1299	}	1967	}
1300		1968
1301	sub find;	1969	sub find;
1302	sub find {	1970	sub find {
1303	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1304		1972
1305	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1306		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1307	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1308		1977
1309	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
1310	my $guard = cf::lock_acquire "map_find:$path";	1979	my $guard1 = cf::lock_acquire "map_find:$path";
		1980	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1981
1311	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1312	or return;	1983	or return;
1313		1984
1314	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1315		1986
1316	$map->load_header	1987	$map->load_header
1317	or return;	1988	or return;
1318		1989
1319	if ($map->should_reset) {	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1991	# doing this can freeze the server in a sync job, obviously
		1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard1;
		1994	undef $guard2;
1320	$map->reset;	1995	$map->reset;
1321	undef $guard;
1322	$map = find $path	1996	return find $path;
1323	or return;
1324	}	1997	}
1325		1998
1326	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1327	}	2000	}
1328	}	2001	}
		2002
		2003	sub pre_load { }
		2004	sub post_load { }
1329		2005
1330	sub load {	2006	sub load {
1331	my ($self) = @_;	2007	my ($self) = @_;
1332		2008
		2009	local $self->{deny_reset} = 1; # loading can take a long time
		2010
1333	my $path = $self->{path};	2011	my $path = $self->{path};
		2012
		2013	{
1334	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1335		2015
		2016	return unless $self->valid;
1336	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1337		2018
1338	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1339		2020
1340	$self->alloc;	2021	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)	2022
		2023	$self->pre_load;
		2024	cf::cede_to_tick;
		2025
		2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
		2028	$self->_load_objects ($f)
1342	or return;	2029	or return;
1343		2030
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1345	if delete $self->{load_original};	2032	if delete $self->{load_original};
1346		2033
1347	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;	2035	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1350	$self->clear_unique_items;	2038	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1352	}	2042	}
1353	}	2043	}
1354		2044
1355	Coro::cede;	2045	$f->resolve_delayed_derefs;
1356		2046
		2047	cf::cede_to_tick;
1357	# now do the right thing for maps	2048	# now do the right thing for maps
1358	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;
1365	$self->set_darkness_map;
1366	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	2051	unless $self->difficulty;
1368	Coro::cede;	2052	cf::cede_to_tick;
		2053
		2054	unless ($self->{deny_activate}) {
		2055	$self->decay_objects;
		2056	$self->fix_auto_apply;
		2057	$self->update_buttons;
		2058	cf::cede_to_tick;
		2059	$self->set_darkness_map;
		2060	cf::cede_to_tick;
1369	$self->activate;	2061	$self->activate;
1370	}	2062	}
1371		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
1372	$self->in_memory (cf::MAP_IN_MEMORY);	2067	$self->in_memory (cf::MAP_IN_MEMORY);
		2068	}
		2069
		2070	$self->post_load;
1373	}	2071	}
1374		2072
1375	sub customise_for {	2073	sub customise_for {
1376	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1377		2075
1378	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	2077	if $self->per_player;
1380		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1381	$self	2082	$self
1382	}	2083	}
1383		2084
1384	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1385	sub load_diag {	2086	sub load_neighbours {
1386	my ($map) = @_;	2087	my ($map) = @_;
1387		2088
1388	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1389		2090
1390	for (0 .. 3) {	2091	for (0 .. 3) {
1391	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1392	or next;	2093	or next;
1393	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1394	or next;	2095	or next;
1395	$neigh->load;	2096	$neigh->load;
1396		2097
		2098	push @neigh,
1397	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1398	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1399	}	2101	}
1400		2102
1401	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1402	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1403	or next;	2106	or next;
1404	$neigh->load;	2107	$neigh->load;
1405	}	2108	}
1406	}	2109	}
1407		2110
…		…
1412	}	2115	}
1413		2116
1414	sub do_load_sync {	2117	sub do_load_sync {
1415	my ($map) = @_;	2118	my ($map) = @_;
1416		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1417	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1418	}	2124	}
1419		2125
1420	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	2127	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		2128
1434	sub find_async {	2129	sub find_async {
1435	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1436		2131
1437	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1438		2133
1439	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2136	}
		2137
		2138	$MAP_PREFETCH{$path} |= $load;
		2139
		2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
		2143	while (%MAP_PREFETCH) {
		2144	while (my ($k, $v) = each %MAP_PREFETCH) {
		2145	if (my $map = find $k) {
		2146	$map->load if $v;
		2147	}
		2148
		2149	delete $MAP_PREFETCH{$k};
		2150	}
		2151	}
		2152	undef $MAP_PREFETCHER;
1441	}	2153	};
1442
1443	$MAP_PREFETCH{$path} = 0;
1444	$MAP_PREFETCHER->ready;	2154	$MAP_PREFETCHER->prio (6);
1445		2155
1446	()	2156	()
1447	}	2157	}
1448		2158
1449	sub save {	2159	sub save {
1450	my ($self) = @_;	2160	my ($self) = @_;
1451		2161
1452	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1453		2163
1454	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1455		2165
1456	return unless $self->dirty;	2166	return unless $self->dirty;
1457		2167
…		…
1463	return if $self->{deny_save};	2173	return if $self->{deny_save};
1464		2174
1465	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1466		2176
1467	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1468	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1469	};	2180	};
1470		2181
1471	if ($uniq) {	2182	if ($uniq) {
1472	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1480	my ($self) = @_;	2191	my ($self) = @_;
1481		2192
1482	# save first because save cedes	2193	# save first because save cedes
1483	$self->save;	2194	$self->save;
1484		2195
1485	my $lock = cf::lock_acquire "map_data:" . $self->path;	2196	my $lock = cf::lock_acquire "map_data:$self->{path}";
1486		2197
1487	return if $self->players;	2198	return if $self->players;
1488	return if $self->in_memory != cf::MAP_IN_MEMORY;	2199	return if $self->in_memory != cf::MAP_IN_MEMORY;
1489	return if $self->{deny_save};	2200	return if $self->{deny_save};
1490		2201
		2202	$self->in_memory (cf::MAP_SWAPPED);
		2203
		2204	$self->deactivate;
		2205	$_->clear_links_to ($self) for values %cf::MAP;
1491	$self->clear;	2206	$self->clear;
1492	$self->in_memory (cf::MAP_SWAPPED);
1493	}	2207	}
1494		2208
1495	sub reset_at {	2209	sub reset_at {
1496	my ($self) = @_;	2210	my ($self) = @_;
1497		2211
1498	# TODO: safety, remove and allow resettable per-player maps	2212	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	2213	return 1e99 if $self->{deny_reset};
1501		2214
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2215	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2216	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		2217
…		…
1509	my ($self) = @_;	2222	my ($self) = @_;
1510		2223
1511	$self->reset_at <= $cf::RUNTIME	2224	$self->reset_at <= $cf::RUNTIME
1512	}	2225	}
1513		2226
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	2227	sub reset {
1529	my ($self) = @_;	2228	my ($self) = @_;
1530		2229
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	2230	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2231
1533	return if $self->players;	2232	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2233
1536	warn "resetting map ", $self->path;#d#	2234	warn "resetting map ", $self->path;
		2235
		2236	$self->in_memory (cf::MAP_SWAPPED);
		2237
		2238	# need to save uniques path
		2239	unless ($self->{deny_save}) {
		2240	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2241
		2242	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2243	if $uniq;
		2244	}
1537		2245
1538	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1539		2247
1540	$self->in_memory (cf::MAP_SWAPPED);	2248	$self->deactivate;
		2249	$_->clear_links_to ($self) for values %cf::MAP;
1541	$self->clear;	2250	$self->clear;
1542
1543	$_->clear_links_to ($self) for values %cf::MAP;
1544		2251
1545	$self->unlink_save;	2252	$self->unlink_save;
1546	$self->destroy;	2253	$self->destroy;
1547	}	2254	}
1548		2255
1549	my $nuke_counter = "aaaa";	2256	my $nuke_counter = "aaaa";
1550		2257
1551	sub nuke {	2258	sub nuke {
1552	my ($self) = @_;	2259	my ($self) = @_;
1553		2260
		2261	{
		2262	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2263
		2264	delete $cf::MAP{$self->path};
		2265
		2266	$self->unlink_save;
		2267
		2268	bless $self, "cf::map";
		2269	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	2270	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2271	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2272	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2273
		2274	$cf::MAP{$self->path} = $self;
		2275	}
		2276
1557	$self->reset; # polite request, might not happen	2277	$self->reset; # polite request, might not happen
		2278	}
		2279
		2280	=item $maps = cf::map::tmp_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	maps. May block.
		2284
		2285	=cut
		2286
		2287	sub tmp_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise $_
		2293	: ()
		2294	} @{ aio_readdir $TMPDIR or [] }
		2295	]
		2296	}
		2297
		2298	=item $maps = cf::map::random_maps
		2299
		2300	Returns an arrayref with all map paths of currently instantiated and saved
		2301	random maps. May block.
		2302
		2303	=cut
		2304
		2305	sub random_maps() {
		2306	[
		2307	map {
		2308	utf8::decode $_;
		2309	/\.map$/
		2310	? normalise "?random/$_"
		2311	: ()
		2312	} @{ aio_readdir $RANDOMDIR or [] }
		2313	]
1558	}	2314	}
1559		2315
1560	=item cf::map::unique_maps	2316	=item cf::map::unique_maps
1561		2317
1562	Returns an arrayref of paths of all shared maps that have	2318	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2319	instantiated unique items. May block.
1564		2320
1565	=cut	2321	=cut
1566		2322
1567	sub unique_maps() {	2323	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2324	[
1569	or return;	2325	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2326	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	2327	/\.map$/
1579	push @paths, $_;	2328	? normalise $_
		2329	: ()
		2330	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2331	]
1581
1582	\@paths
1583	}	2332	}
1584		2333
1585	package cf;	2334	package cf;
1586		2335
1587	=back	2336	=back
…		…
1605	map { $_, inv_recursive_ $_->inv } @_	2354	map { $_, inv_recursive_ $_->inv } @_
1606	}	2355	}
1607		2356
1608	sub inv_recursive {	2357	sub inv_recursive {
1609	inv_recursive_ inv $_[0]	2358	inv_recursive_ inv $_[0]
		2359	}
		2360
		2361	=item $ref = $ob->ref
		2362
		2363	creates and returns a persistent reference to an objetc that can be stored as a string.
		2364
		2365	=item $ob = cf::object::deref ($refstring)
		2366
		2367	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2368	even if the object actually exists. May block.
		2369
		2370	=cut
		2371
		2372	sub deref {
		2373	my ($ref) = @_;
		2374
		2375	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2376	my ($uuid, $name) = ($1, $2);
		2377	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2378	or return;
		2379	$pl->ob->uuid eq $uuid
		2380	or return;
		2381
		2382	$pl->ob
		2383	} else {
		2384	warn "$ref: cannot resolve object reference\n";
		2385	undef
		2386	}
1610	}	2387	}
1611		2388
1612	package cf;	2389	package cf;
1613		2390
1614	=back	2391	=back
…		…
1633		2410
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2411	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2412
1636	if ($self->{record_replies}) {	2413	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2414	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2415
1638	} else {	2416	} else {
		2417	my $pl = $self->contr;
		2418
		2419	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2420	my $dialog = $pl->{npc_dialog};
		2421	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2422
		2423	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2424	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2425	$self->message ($msg, $flags);
		2426	}
1641	}	2427	}
		2428	}
		2429
		2430	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2431
		2432	=cut
		2433
		2434	sub cf::object::send_msg {
		2435	my $pl = shift->contr
		2436	or return;
		2437	$pl->send_msg (@_);
1642	}	2438	}
1643		2439
1644	=item $player_object->may ("access")	2440	=item $player_object->may ("access")
1645		2441
1646	Returns wether the given player is authorized to access resource "access"	2442	Returns wether the given player is authorized to access resource "access"
…		…
1678	=cut	2474	=cut
1679		2475
1680	sub link_map {	2476	sub link_map {
1681	unless ($LINK_MAP) {	2477	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2478	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2479	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2480	$LINK_MAP->load;
1685	}	2481	}
1686		2482
1687	$LINK_MAP	2483	$LINK_MAP
1688	}	2484	}
…		…
1693	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1694		2490
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2492
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1699		2495
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2497	}
1702		2498
1703	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1705		2503
1706	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1707		2505
1708	unless ($map) {	2506	unless ($map) {
1709	# restore original map position	2507	# restore original map position
…		…
1723	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1724	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1725	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1726		2524
1727	$map->load;	2525	$map->load;
1728	$map->load_diag;	2526	$map->load_neighbours;
1729		2527
1730	return unless $self->contr->active;	2528	return unless $self->contr->active;
1731	$self->activate_recursive;	2529	$self->activate_recursive;
		2530
		2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1733	}	2533	}
1734		2534
1735	cf::player->attach (	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1736	on_logout => sub {
1737	my ($pl) = @_;
1738		2536
1739	# abort map switching before logout	2537	Moves the player to the given map-path and coordinates by first freezing
1740	if ($pl->ob->{_link_pos}) {	2538	her, loading and preparing them map, calling the provided $check callback
1741	cf::sync_job {	2539	that has to return the map if sucecssful, and then unfreezes the player on
1742	$pl->ob->leave_link	2540	the new (success) or old (failed) map position. In either case, $done will
1743	};	2541	be called at the end of this process.
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2542
1749	# try to abort aborted map switching on player login :)
1750	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766
1767	=item $player_object->goto ($path, $x, $y)
1768
1769	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1770		2546
1771	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1772	my ($self, $path, $x, $y) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
		2549
		2550	# do generation counting so two concurrent goto's will be executed in-order
		2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773		2552
1774	$self->enter_link;	2553	$self->enter_link;
1775		2554
1776	(async {	2555	(async {
1777	my $map = cf::map::find $path;	2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
		2577	my $map = eval {
		2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
1779		2582	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2583	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	}
1784		2586
		2587	$map
		2588	};
		2589
		2590	if ($@) {
		2591	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2592	LOG llevError | logBacktrace, Carp::longmess $@;
		2593	}
		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1786	})->prio (1);	2601	})->prio (1);
1787	}	2602	}
1788		2603
1789	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1790		2605
…		…
1792		2607
1793	sub parse_random_map_params {	2608	sub parse_random_map_params {
1794	my ($spec) = @_;	2609	my ($spec) = @_;
1795		2610
1796	my $rmp = { # defaults	2611	my $rmp = { # defaults
1797	xsize => 10,	2612	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2613	ysize => (cf::rndm 15, 40),
		2614	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2615	#layout => string,
1799	};	2616	};
1800		2617
1801	for (split /\n/, $spec) {	2618	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2619	my ($k, $v) = split /\s+/, $_, 2;
1803		2620
…		…
1807	$rmp	2624	$rmp
1808	}	2625	}
1809		2626
1810	sub prepare_random_map {	2627	sub prepare_random_map {
1811	my ($exit) = @_;	2628	my ($exit) = @_;
		2629
		2630	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2631
1813	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2634	# that depends on the exit object
1816		2635
1817	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
1818		2637
1819	if ($exit->map) {	2638	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2639	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
1824	}	2643	}
1825		2644
1826	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1827		2646
1828	my $data = cf::to_json $rmp;	2647	my $data = cf::encode_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
		2649	my $meta = "$RANDOMDIR/$md5.meta";
1830		2650
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
		2653	undef $fh;
		2654	aio_rename "$meta~", $meta;
1833		2655
1834	$exit->slaying ("?random/$md5");	2656	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2657	$exit->msg (undef);
1836	}	2658	}
1837	}	2659	}
…		…
1839	sub cf::object::player::enter_exit {	2661	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2662	my ($self, $exit) = @_;
1841		2663
1842	return unless $self->type == cf::PLAYER;	2664	return unless $self->type == cf::PLAYER;
1843		2665
		2666	if ($exit->slaying eq "/!") {
		2667	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2668	# the problem is that $exit might not survive long enough
		2669	# so it needs to be done right now, right here
		2670	cf::sync_job { prepare_random_map $exit };
		2671	}
		2672
		2673	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2674	my $hp = $exit->stats->hp;
		2675	my $sp = $exit->stats->sp;
		2676
1844	$self->enter_link;	2677	$self->enter_link;
1845		2678
		2679	# if exit is damned, update players death & WoR home-position
		2680	$self->contr->savebed ($slaying, $hp, $sp)
		2681	if $exit->flag (FLAG_DAMNED);
		2682
1846	(async {	2683	(async {
		2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2685
1847	$self->deactivate_recursive; # just to be sure	2686	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2687	unless (eval {
1849	prepare_random_map $exit	2688	$self->goto ($slaying, $hp, $sp);
1850	if $exit->slaying eq "/!";
1851
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854		2689
1855	1;	2690	1;
1856	}) {	2691	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2692	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "I'll try to bring you back to the map you were before. "	2693	. "I'll try to bring you back to the map you were before. "
1859	. "Please report this to the dungeon master!",	2694	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2695	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2696
1862	warn "ERROR in enter_exit: $@";	2697	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2698	$self->leave_link;
1864	}	2699	}
1865	})->prio (1);	2700	})->prio (1);
…		…
1878		2713
1879	sub cf::client::send_drawinfo {	2714	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2715	my ($self, $text, $flags) = @_;
1881		2716
1882	utf8::encode $text;	2717	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2718	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2719	}
1885		2720
		2721	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2722
		2723	Send a drawinfo or msg packet to the client, formatting the msg for the
		2724	client if neccessary. C<$type> should be a string identifying the type of
		2725	the message, with C<log> being the default. If C<$color> is negative, suppress
		2726	the message unless the client supports the msg packet.
		2727
		2728	=cut
		2729
		2730	# non-persistent channels (usually the info channel)
		2731	our %CHANNEL = (
		2732	"c/identify" => {
		2733	id => "infobox",
		2734	title => "Identify",
		2735	reply => undef,
		2736	tooltip => "Items recently identified",
		2737	},
		2738	"c/examine" => {
		2739	id => "infobox",
		2740	title => "Examine",
		2741	reply => undef,
		2742	tooltip => "Signs and other items you examined",
		2743	},
		2744	"c/book" => {
		2745	id => "infobox",
		2746	title => "Book",
		2747	reply => undef,
		2748	tooltip => "The contents of a note or book",
		2749	},
		2750	"c/lookat" => {
		2751	id => "infobox",
		2752	title => "Look",
		2753	reply => undef,
		2754	tooltip => "What you saw there",
		2755	},
		2756	"c/who" => {
		2757	id => "infobox",
		2758	title => "Players",
		2759	reply => undef,
		2760	tooltip => "Shows players who are currently online",
		2761	},
		2762	"c/body" => {
		2763	id => "infobox",
		2764	title => "Body Parts",
		2765	reply => undef,
		2766	tooltip => "Shows which body parts you posess and are available",
		2767	},
		2768	"c/uptime" => {
		2769	id => "infobox",
		2770	title => "Uptime",
		2771	reply => undef,
		2772	tooltip => "How long the server has been running since last restart",
		2773	},
		2774	"c/mapinfo" => {
		2775	id => "infobox",
		2776	title => "Map Info",
		2777	reply => undef,
		2778	tooltip => "Information related to the maps",
		2779	},
		2780	);
		2781
		2782	sub cf::client::send_msg {
		2783	my ($self, $channel, $msg, $color, @extra) = @_;
		2784
		2785	$msg = $self->pl->expand_cfpod ($msg);
		2786
		2787	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2788
		2789	# check predefined channels, for the benefit of C
		2790	if ($CHANNEL{$channel}) {
		2791	$channel = $CHANNEL{$channel};
		2792
		2793	$self->ext_msg (channel_info => $channel)
		2794	if $self->can_msg;
		2795
		2796	$channel = $channel->{id};
		2797
		2798	} elsif (ref $channel) {
		2799	# send meta info to client, if not yet sent
		2800	unless (exists $self->{channel}{$channel->{id}}) {
		2801	$self->{channel}{$channel->{id}} = $channel;
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804	}
		2805
		2806	$channel = $channel->{id};
		2807	}
		2808
		2809	return unless @extra || length $msg;
		2810
		2811	if ($self->can_msg) {
		2812	# default colour, mask it out
		2813	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2814	if $color & cf::NDI_DEF;
		2815
		2816	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2817	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2818	} else {
		2819	if ($color >= 0) {
		2820	# replace some tags by gcfclient-compatible ones
		2821	for ($msg) {
		2822	1 while
		2823	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2824	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2825	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2826	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2827	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2828	}
		2829
		2830	$color &= cf::NDI_COLOR_MASK;
		2831
		2832	utf8::encode $msg;
		2833
		2834	if (0 && $msg =~ /\[/) {
		2835	# COMMAND/INFO
		2836	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2837	} else {
		2838	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2839	$self->send_packet ("drawinfo $color $msg")
		2840	}
		2841	}
		2842	}
		2843	}
		2844
		2845	=item $client->ext_msg ($type, @msg)
		2846
		2847	Sends an ext event to the client.
		2848
		2849	=cut
		2850
		2851	sub cf::client::ext_msg($$@) {
		2852	my ($self, $type, @msg) = @_;
		2853
		2854	if ($self->extcmd == 2) {
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2856	} elsif ($self->extcmd == 1) { # TODO: remove
		2857	push @msg, msgtype => "event_$type";
		2858	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2859	}
		2860	}
		2861
		2862	=item $client->ext_reply ($msgid, @msg)
		2863
		2864	Sends an ext reply to the client.
		2865
		2866	=cut
		2867
		2868	sub cf::client::ext_reply($$@) {
		2869	my ($self, $id, @msg) = @_;
		2870
		2871	if ($self->extcmd == 2) {
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2873	} elsif ($self->extcmd == 1) {
		2874	#TODO: version 1, remove
		2875	unshift @msg, msgtype => "reply", msgid => $id;
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2877	}
		2878	}
1886		2879
1887	=item $success = $client->query ($flags, "text", \&cb)	2880	=item $success = $client->query ($flags, "text", \&cb)
1888		2881
1889	Queues a query to the client, calling the given callback with	2882	Queues a query to the client, calling the given callback with
1890	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2883	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1891	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2884	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1892		2885
1893	Queries can fail, so check the return code. Or don't, as queries will become	2886	Queries can fail, so check the return code. Or don't, as queries will
1894	reliable at some point in the future.	2887	become reliable at some point in the future.
1895		2888
1896	=cut	2889	=cut
1897		2890
1898	sub cf::client::query {	2891	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	2892	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	2900	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2901	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		2902
1910	$self->send_packet ($self->{query_queue}[0][0])	2903	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	2904	if @{ $self->{query_queue} } == 1;
		2905
		2906	1
1912	}	2907	}
1913		2908
1914	cf::client->attach (	2909	cf::client->attach (
		2910	on_connect => sub {
		2911	my ($ns) = @_;
		2912
		2913	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2914	},
1915	on_reply => sub {	2915	on_reply => sub {
1916	my ($ns, $msg) = @_;	2916	my ($ns, $msg) = @_;
1917		2917
1918	# this weird shuffling is so that direct followup queries	2918	# this weird shuffling is so that direct followup queries
1919	# get handled first	2919	# get handled first
1920	my $queue = delete $ns->{query_queue}	2920	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2921	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2922
1923	(shift @$queue)->[1]->($msg);	2923	(shift @$queue)->[1]->($msg);
		2924	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2925
1925	push @{ $ns->{query_queue} }, @$queue;	2926	push @{ $ns->{query_queue} }, @$queue;
1926		2927
1927	if (@{ $ns->{query_queue} } == @$queue) {	2928	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2929	if (@$queue) {
…		…
1930	} else {	2931	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2932	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	2933	}
1933	}	2934	}
1934	},	2935	},
		2936	on_exticmd => sub {
		2937	my ($ns, $buf) = @_;
		2938
		2939	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2940
		2941	if (ref $msg) {
		2942	my ($type, $reply, @payload) =
		2943	"ARRAY" eq ref $msg
		2944	? @$msg
		2945	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2946
		2947	my @reply;
		2948
		2949	if (my $cb = $EXTICMD{$type}) {
		2950	@reply = $cb->($ns, @payload);
		2951	}
		2952
		2953	$ns->ext_reply ($reply, @reply)
		2954	if $reply;
		2955
		2956	} else {
		2957	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2958	}
		2959
		2960	cf::override;
		2961	},
1935	);	2962	);
1936		2963
1937	=item $client->async (\&cb)	2964	=item $client->async (\&cb)
1938		2965
1939	Create a new coroutine, running the specified callback. The coroutine will	2966	Create a new coroutine, running the specified callback. The coroutine will
…		…
1980	our $safe = new Safe "safe";	3007	our $safe = new Safe "safe";
1981	our $safe_hole = new Safe::Hole;	3008	our $safe_hole = new Safe::Hole;
1982		3009
1983	$SIG{FPE} = 'IGNORE';	3010	$SIG{FPE} = 'IGNORE';
1984		3011
1985	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3012	$safe->permit_only (Opcode::opset qw(
		3013	:base_core :base_mem :base_orig :base_math
		3014	grepstart grepwhile mapstart mapwhile
		3015	sort time
		3016	));
1986		3017
1987	# here we export the classes and methods available to script code	3018	# here we export the classes and methods available to script code
1988		3019
1989	=pod	3020	=pod
1990		3021
1991	The following fucntions and emthods are available within a safe environment:	3022	The following functions and methods are available within a safe environment:
1992		3023
1993	cf::object contr pay_amount pay_player map	3024	cf::object
		3025	contr pay_amount pay_player map x y force_find force_add destroy
		3026	insert remove name archname title slaying race decrease_ob_nr
		3027
1994	cf::object::player player	3028	cf::object::player
1995	cf::player peaceful	3029	player
1996	cf::map trigger	3030
		3031	cf::player
		3032	peaceful
		3033
		3034	cf::map
		3035	trigger
1997		3036
1998	=cut	3037	=cut
1999		3038
2000	for (	3039	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3041	insert remove inv name archname title slaying race
		3042	decrease_ob_nr destroy)],
2002	["cf::object::player" => qw(player)],	3043	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	3044	["cf::player" => qw(peaceful)],
2004	["cf::map" => qw(trigger)],	3045	["cf::map" => qw(trigger)],
2005	) {	3046	) {
2006	no strict 'refs';	3047	no strict 'refs';
…		…
2077	=back	3118	=back
2078		3119
2079	=cut	3120	=cut
2080		3121
2081	#############################################################################	3122	#############################################################################
		3123	# the server's init and main functions
2082		3124
2083	=head2 EXTENSION DATABASE SUPPORT	3125	sub load_facedata($) {
		3126	my ($path) = @_;
2084		3127
2085	Crossfire maintains a very simple database for extension use. It can	3128	# HACK to clear player env face cache, we need some signal framework
2086	currently store anything that can be serialised using Storable, which	3129	# for this (global event?)
2087	excludes objects.	3130	%ext::player_env::MUSIC_FACE_CACHE = ();
2088		3131
2089	The parameter C<$family> should best start with the name of the extension	3132	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2090	using it, it should be unique.
2091		3133
2092	=over 4	3134	warn "loading facedata from $path\n";
2093		3135
2094	=item $hashref = cf::db_get $family	3136	my $facedata;
		3137	0 < aio_load $path, $facedata
		3138	or die "$path: $!";
2095		3139
2096	Return a hashref for use by the extension C<$family>, which can be	3140	$facedata = Coro::Storable::thaw $facedata;
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099		3141
2100	=item $value = cf::db_get $family => $key	3142	$facedata->{version} == 2
		3143	or cf::cleanup "$path: version mismatch, cannot proceed.";
2101		3144
2102	Returns a single value from the database	3145	# patch in the exptable
2103		3146	$facedata->{resource}{"res/exp_table"} = {
2104	=item cf::db_put $family => $hashref	3147	type => FT_RSRC,
2105		3148	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108
2109	=item cf::db_put $family => $key => $value
2110
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121
2122	=cut
2123
2124	our $DB;
2125
2126	{
2127	my $path = cf::localdir . "/database.pst";
2128
2129	sub db_load() {
2130	$DB = stat $path ? Storable::retrieve $path : { };
2131	}
2132
2133	my $pid;
2134
2135	sub db_save() {
2136	waitpid $pid, 0 if $pid;
2137	if (0 == ($pid = fork)) {
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});	3149	};
		3150	cf::cede_to_tick;
2155		3151
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}	3152	{
		3153	my $faces = $facedata->{faceinfo};
2160		3154
2161	sub db_get($;$) {	3155	while (my ($face, $info) = each %$faces) {
2162	@_ >= 2	3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2163	? $DB->{$_[0]}{$_[1]}
2164	: ($DB->{$_[0]} ||= { })
2165	}
2166		3157
2167	sub db_put($$;$) {	3158	cf::face::set_visibility $idx, $info->{visibility};
2168	if (@_ >= 3) {	3159	cf::face::set_magicmap $idx, $info->{magicmap};
2169	$DB->{$_[0]}{$_[1]} = $_[2];	3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2170	} else {	3161	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175		3162
2176	cf::global->attach (	3163	cf::cede_to_tick;
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	3164	}
2181	);
2182	}
2183		3165
2184	#############################################################################	3166	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	3167	next unless $info->{smooth};
2186		3168
2187	sub cfg_load {	3169	my $idx = cf::face::find $face
		3170	or next;
		3171
		3172	if (my $smooth = cf::face::find $info->{smooth}) {
		3173	cf::face::set_smooth $idx, $smooth;
		3174	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3175	} else {
		3176	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3177	}
		3178
		3179	cf::cede_to_tick;
		3180	}
		3181	}
		3182
		3183	{
		3184	my $anims = $facedata->{animinfo};
		3185
		3186	while (my ($anim, $info) = each %$anims) {
		3187	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3188	cf::cede_to_tick;
		3189	}
		3190
		3191	cf::anim::invalidate_all; # d'oh
		3192	}
		3193
		3194	{
		3195	# TODO: for gcfclient pleasure, we should give resources
		3196	# that gcfclient doesn't grok a >10000 face index.
		3197	my $res = $facedata->{resource};
		3198
		3199	while (my ($name, $info) = each %$res) {
		3200	if (defined $info->{type}) {
		3201	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3202	my $data;
		3203
		3204	if ($info->{type} & 1) {
		3205	# prepend meta info
		3206
		3207	my $meta = $enc->encode ({
		3208	name => $name,
		3209	%{ $info->{meta} || {} },
		3210	});
		3211
		3212	$data = pack "(w/a*)*", $meta, $info->{data};
		3213	} else {
		3214	$data = $info->{data};
		3215	}
		3216
		3217	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3218	cf::face::set_type $idx, $info->{type};
		3219	} else {
		3220	$RESOURCE{$name} = $info;
		3221	}
		3222
		3223	cf::cede_to_tick;
		3224	}
		3225	}
		3226
		3227	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3228
		3229	1
		3230	}
		3231
		3232	cf::global->attach (on_resource_update => sub {
		3233	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3234	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3235
		3236	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3237	my $sound = $soundconf->{compat}[$_]
		3238	or next;
		3239
		3240	my $face = cf::face::find "sound/$sound->[1]";
		3241	cf::sound::set $sound->[0] => $face;
		3242	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3243	}
		3244
		3245	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3246	my $face = cf::face::find "sound/$v";
		3247	cf::sound::set $k => $face;
		3248	}
		3249	}
		3250	});
		3251
		3252	register_exticmd fx_want => sub {
		3253	my ($ns, $want) = @_;
		3254
		3255	while (my ($k, $v) = each %$want) {
		3256	$ns->fx_want ($k, $v);
		3257	}
		3258	};
		3259
		3260	sub reload_regions {
		3261	# HACK to clear player env face cache, we need some signal framework
		3262	# for this (global event?)
		3263	%ext::player_env::MUSIC_FACE_CACHE = ();
		3264
		3265	load_resource_file "$MAPDIR/regions"
		3266	or die "unable to load regions file\n";
		3267
		3268	for (cf::region::list) {
		3269	$_->{match} = qr/$_->{match}/
		3270	if exists $_->{match};
		3271	}
		3272	}
		3273
		3274	sub reload_facedata {
		3275	load_facedata "$DATADIR/facedata"
		3276	or die "unable to load facedata\n";
		3277	}
		3278
		3279	sub reload_archetypes {
		3280	load_resource_file "$DATADIR/archetypes"
		3281	or die "unable to load archetypes\n";
		3282	#d# NEED to laod twice to resolve forward references
		3283	# this really needs to be done in an extra post-pass
		3284	# (which needs to be synchronous, so solve it differently)
		3285	load_resource_file "$DATADIR/archetypes"
		3286	or die "unable to load archetypes\n";
		3287	}
		3288
		3289	sub reload_treasures {
		3290	load_resource_file "$DATADIR/treasures"
		3291	or die "unable to load treasurelists\n";
		3292	}
		3293
		3294	sub reload_resources {
		3295	warn "reloading resource files...\n";
		3296
		3297	reload_regions;
		3298	reload_facedata;
		3299	#reload_archetypes;#d#
		3300	reload_archetypes;
		3301	reload_treasures;
		3302
		3303	warn "finished reloading resource files\n";
		3304	}
		3305
		3306	sub init {
		3307	reload_resources;
		3308	}
		3309
		3310	sub reload_config {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	3311	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	3312	or return;
2190		3313
2191	local $/;	3314	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	3315	*CFG = YAML::Load <$fh>;
2193		3316
2194	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2195		3318
2196	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3319	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2197	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3320	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2207		3330
2208	sub main {	3331	sub main {
2209	# we must not ever block the main coroutine	3332	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	3333	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3334	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2212	async { Event::one_event };	3335	(async {
		3336	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3337	EV::loop EV::LOOP_ONESHOT;
		3338	})->prio (Coro::PRIO_MAX);
2213	};	3339	};
2214		3340
2215	cfg_load;	3341	reload_config;
2216	db_load;	3342	db_init;
2217	load_extensions;	3343	load_extensions;
		3344
		3345	$TICK_WATCHER->start;
		3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2218	Event::loop;	3347	EV::loop;
2219	}	3348	}
2220		3349
2221	#############################################################################	3350	#############################################################################
2222	# initialisation and cleanup	3351	# initialisation and cleanup
2223		3352
2224	# install some emergency cleanup handlers	3353	# install some emergency cleanup handlers
2225	BEGIN {	3354	BEGIN {
		3355	our %SIGWATCHER = ();
2226	for my $signal (qw(INT HUP TERM)) {	3356	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	3357	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2228	data => WF_AUTOCANCEL,
2229	signal => $signal,
2230	cb => sub {
2231	cf::cleanup "SIG$signal";	3358	cf::cleanup "SIG$signal";
2232	},
2233	);	3359	};
		3360	}
		3361	}
		3362
		3363	sub write_runtime {
		3364	my $runtime = "$LOCALDIR/runtime";
		3365
		3366	# first touch the runtime file to show we are still running:
		3367	# the fsync below can take a very very long time.
		3368
		3369	IO::AIO::aio_utime $runtime, undef, undef;
		3370
		3371	my $guard = cf::lock_acquire "write_runtime";
		3372
		3373	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3374	or return;
		3375
		3376	my $value = $cf::RUNTIME + 90 + 10;
		3377	# 10 is the runtime save interval, for a monotonic clock
		3378	# 60 allows for the watchdog to kill the server.
		3379
		3380	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3381	and return;
		3382
		3383	# always fsync - this file is important
		3384	aio_fsync $fh
		3385	and return;
		3386
		3387	# touch it again to show we are up-to-date
		3388	aio_utime $fh, undef, undef;
		3389
		3390	close $fh
		3391	or return;
		3392
		3393	aio_rename "$runtime~", $runtime
		3394	and return;
		3395
		3396	warn "runtime file written.\n";
		3397
2234	}	3398	1
2235	}	3399	}
2236		3400
2237	sub emergency_save() {	3401	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	3402	my $freeze_guard = cf::freeze_mainloop;
2239		3403
…		…
2245	# and maps saved/destroyed asynchronously.	3409	# and maps saved/destroyed asynchronously.
2246	warn "begin emergency player save\n";	3410	warn "begin emergency player save\n";
2247	for my $login (keys %cf::PLAYER) {	3411	for my $login (keys %cf::PLAYER) {
2248	my $pl = $cf::PLAYER{$login} or next;	3412	my $pl = $cf::PLAYER{$login} or next;
2249	$pl->valid or next;	3413	$pl->valid or next;
		3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2250	$pl->save;	3415	$pl->save;
2251	}	3416	}
2252	warn "end emergency player save\n";	3417	warn "end emergency player save\n";
2253		3418
2254	warn "begin emergency map save\n";	3419	warn "begin emergency map save\n";
…		…
2256	my $map = $cf::MAP{$path} or next;	3421	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	3422	$map->valid or next;
2258	$map->save;	3423	$map->save;
2259	}	3424	}
2260	warn "end emergency map save\n";	3425	warn "end emergency map save\n";
		3426
		3427	warn "begin emergency database checkpoint\n";
		3428	BDB::db_env_txn_checkpoint $DB_ENV;
		3429	warn "end emergency database checkpoint\n";
2261	};	3430	};
2262		3431
2263	warn "leave emergency perl save\n";	3432	warn "leave emergency perl save\n";
2264	}	3433	}
2265		3434
		3435	sub post_cleanup {
		3436	my ($make_core) = @_;
		3437
		3438	warn Carp::longmess "post_cleanup backtrace"
		3439	if $make_core;
		3440	}
		3441
2266	sub reload() {	3442	sub do_reload_perl() {
2267	# can/must only be called in main	3443	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	3444	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	3445	warn "can only reload from main coroutine";
2270	return;	3446	return;
2271	}	3447	}
2272		3448
2273	warn "reloading...";	3449	warn "reloading...";
2274		3450
2275	warn "freezing server";	3451	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	3452
		3453	cf::sync_job {
		3454	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	3455	cf::emergency_save;
		3456	cf::write_runtime; # external watchdog should not bark
2278		3457
2279	warn "sync database to disk";	3458	warn "syncing database to disk";
2280	cf::db_sync;	3459	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		3460
2283	eval {
2284	# if anything goes wrong in here, we should simply crash as we already saved	3461	# if anything goes wrong in here, we should simply crash as we already saved
2285		3462
2286	warn "cancel all watchers";	3463	warn "flushing outstanding aio requests";
2287	for (Event::all_watchers) {	3464	for (;;) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	3465	BDB::flush;
		3466	IO::AIO::flush;
		3467	Coro::cede_notself;
		3468	last unless IO::AIO::nreqs || BDB::nreqs;
		3469	warn "iterate...";
2289	}	3470	}
2290		3471
		3472	++$RELOAD;
		3473
2291	warn "cancel all extension coros";	3474	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	3475	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	3476	%EXT_CORO = ();
2294		3477
2295	warn "remove commands";	3478	warn "removing commands";
2296	%COMMAND = ();	3479	%COMMAND = ();
2297		3480
2298	warn "remove ext commands";	3481	warn "removing ext/exti commands";
2299	%EXTCMD = ();	3482	%EXTCMD = ();
		3483	%EXTICMD = ();
2300		3484
2301	warn "unload/nuke all extensions";	3485	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	3486	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	3487	warn "... unloading $pkg";
2304		3488
2305	if (my $cb = $pkg->can ("unload")) {	3489	if (my $cb = $pkg->can ("unload")) {
2306	eval {	3490	eval {
…		…
2311		3495
2312	warn "... nuking $pkg";	3496	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	3497	Symbol::delete_package $pkg;
2314	}	3498	}
2315		3499
2316	warn "unload all perl modules loaded from $LIBDIR";	3500	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	3501	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3502	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		3503
2320	warn "removing <$k>";	3504	warn "... unloading $k";
2321	delete $INC{$k};	3505	delete $INC{$k};
2322		3506
2323	$k =~ s/\.pm$//;	3507	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	3508	$k =~ s/\//::/g;
2325		3509
…		…
2328	}	3512	}
2329		3513
2330	Symbol::delete_package $k;	3514	Symbol::delete_package $k;
2331	}	3515	}
2332		3516
2333	warn "get rid of safe::, as good as possible";	3517	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3518	Symbol::delete_package "safe::$_"
2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3519	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336		3520
2337	warn "unload cf.pm \"a bit\"";	3521	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3522	delete $INC{"cf.pm"};
		3523	delete $INC{"cf/pod.pm"};
2339		3524
2340	# don't, removes xs symbols, too,	3525	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3526	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3527	#Symbol::delete_package __PACKAGE__;
2343		3528
		3529	warn "unload completed, starting to reload now";
		3530
2344	warn "reloading cf.pm";	3531	warn "reloading cf.pm";
2345	require cf;	3532	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		3534
2348	warn "load config and database again";	3535	warn "loading config and database again";
2349	cf::cfg_load;	3536	cf::reload_config;
2350	cf::db_load;
2351		3537
2352	warn "load extensions";	3538	warn "loading extensions";
2353	cf::load_extensions;	3539	cf::load_extensions;
2354		3540
2355	warn "reattach attachments to objects/players";	3541	warn "reattaching attachments to objects/players";
2356	_global_reattach;	3542	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3543	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	3544	reattach $_ for values %MAP;
2359	};	3545	warn "reattaching attachments to players";
		3546	reattach $_ for values %PLAYER;
2360		3547
2361	if ($@) {	3548	warn "leaving sync_job";
		3549
		3550	1
		3551	} or do {
2362	warn $@;	3552	warn $@;
2363	warn "error while reloading, exiting.";	3553	warn "error while reloading, exiting.";
2364	exit 1;	3554	exit 1;
2365	}	3555	};
2366		3556
2367	warn "reloaded";	3557	warn "reloaded";
2368	};	3558	};
2369		3559
		3560	our $RELOAD_WATCHER; # used only during reload
		3561
		3562	sub reload_perl() {
		3563	# doing reload synchronously and two reloads happen back-to-back,
		3564	# coro crashes during coro_state_free->destroy here.
		3565
		3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3567	undef $RELOAD_WATCHER;
		3568	do_reload_perl;
		3569	};
		3570	}
		3571
2370	register_command "reload" => sub {	3572	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	3573	my ($who, $arg) = @_;
2372		3574
2373	if ($who->flag (FLAG_WIZ)) {	3575	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	3576	$who->message ("reloading server.");
		3577	async {
		3578	$Coro::current->{desc} = "perl_reload";
		3579	reload_perl;
		3580	};
2377	}	3581	}
2378	};	3582	};
2379		3583
2380	unshift @INC, $LIBDIR;	3584	unshift @INC, $LIBDIR;
2381		3585
2382	$TICK_WATCHER = Event->timer (	3586	my $bug_warning = 0;
2383	reentrant => 0,
2384	prio => 0,
2385	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,
2387	cb => sub {
2388	$NOW = Event::time;
2389		3587
		3588	our @WAIT_FOR_TICK;
		3589	our @WAIT_FOR_TICK_BEGIN;
		3590
		3591	sub wait_for_tick {
		3592	return unless $TICK_WATCHER->is_active;
		3593	return if $Coro::current == $Coro::main;
		3594
		3595	my $signal = new Coro::Signal;
		3596	push @WAIT_FOR_TICK, $signal;
		3597	$signal->wait;
		3598	}
		3599
		3600	sub wait_for_tick_begin {
		3601	return unless $TICK_WATCHER->is_active;
		3602	return if $Coro::current == $Coro::main;
		3603
		3604	my $signal = new Coro::Signal;
		3605	push @WAIT_FOR_TICK_BEGIN, $signal;
		3606	$signal->wait;
		3607	}
		3608
		3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
		3610	if ($Coro::current != $Coro::main) {
		3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3612	unless ++$bug_warning > 10;
		3613	return;
		3614	}
		3615
		3616	$NOW = $tick_start = EV::now;
		3617
2390	cf::server_tick; # one server iteration	3618	cf::server_tick; # one server iteration
		3619
2391	$RUNTIME += $TICK;	3620	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	3621	$NEXT_TICK = $_[0]->at;
2393		3622
2394	$WAIT_FOR_TICK->broadcast;	3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2396		3625	Coro::async_pool {
2397	# if we are delayed by four ticks or more, skip them all	3626	$Coro::current->{desc} = "runtime saver";
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2399
2400	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;
2402	},
2403	);
2404
2405	IO::AIO::max_poll_time $TICK * 0.2;
2406
2407	Event->io (
2408	fd => IO::AIO::poll_fileno,
2409	poll => 'r',
2410	prio => 5,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,
2417	after => 0,
2418	interval => 10,
2419	cb => sub {
2420	(Coro::unblock_sub {
2421	write_runtime	3627	write_runtime
2422	or warn "ERROR: unable to write runtime file: $!";	3628	or warn "ERROR: unable to write runtime file: $!";
2423	})->();	3629	};
2424	},	3630	}
2425	);	3631
		3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3633	$sig->send;
		3634	}
		3635	while (my $sig = shift @WAIT_FOR_TICK) {
		3636	$sig->send;
		3637	}
		3638
		3639	$LOAD = ($NOW - $tick_start) / $TICK;
		3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3641
		3642	_post_tick;
		3643	};
		3644	$TICK_WATCHER->priority (EV::MAXPRI);
		3645
		3646	{
		3647	# configure BDB
		3648
		3649	BDB::min_parallel 8;
		3650	BDB::max_poll_reqs $TICK * 0.1;
		3651	$Coro::BDB::WATCHER->priority (1);
		3652
		3653	unless ($DB_ENV) {
		3654	$DB_ENV = BDB::db_env_create;
		3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3656	| BDB::LOG_AUTOREMOVE, 1);
		3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3659
		3660	cf::sync_job {
		3661	eval {
		3662	BDB::db_env_open
		3663	$DB_ENV,
		3664	$BDBDIR,
		3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3667	0666;
		3668
		3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3670	};
		3671
		3672	cf::cleanup "db_env_open(db): $@" if $@;
		3673	};
		3674	}
		3675
		3676	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3677	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3678	};
		3679	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3681	};
		3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3684	};
		3685	}
		3686
		3687	{
		3688	# configure IO::AIO
		3689
		3690	IO::AIO::min_parallel 8;
		3691	IO::AIO::max_poll_time $TICK * 0.1;
		3692	$Coro::AIO::WATCHER->priority (1);
		3693	}
		3694
		3695	my $_log_backtrace;
		3696
		3697	sub _log_backtrace {
		3698	my ($msg, @addr) = @_;
		3699
		3700	$msg =~ s/\n//;
		3701
		3702	# limit the # of concurrent backtraces
		3703	if ($_log_backtrace < 2) {
		3704	++$_log_backtrace;
		3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
		3708	my @bt = fork_call {
		3709	@addr = map { sprintf "%x", $_ } @addr;
		3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3711	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3712	or die "addr2line: $!";
		3713
		3714	my @funcs;
		3715	my @res = <$fh>;
		3716	chomp for @res;
		3717	while (@res) {
		3718	my ($func, $line) = splice @res, 0, 2, ();
		3719	push @funcs, "[$func] $line";
		3720	}
		3721
		3722	@funcs
		3723	};
		3724
		3725	LOG llevInfo, "[ABT] $msg\n";
		3726	LOG llevInfo, "[ABT] $_\n" for @bt;
		3727	--$_log_backtrace;
		3728	};
		3729	} else {
		3730	LOG llevInfo, "[ABT] $msg\n";
		3731	LOG llevInfo, "[ABT] [suppressed]\n";
		3732	}
		3733	}
		3734
		3735	# load additional modules
		3736	use cf::pod;
2426		3737
2427	END { cf::emergency_save }	3738	END { cf::emergency_save }
2428		3739
2429	1	3740	1
2430		3741

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