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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 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;
49	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	77	our $NEXT_TICK;
52	our $NOW;	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
		84	our $DB_ENV;
53		85
54	our %CFG;	86	our %CFG;
55		87
56	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
58		91
59	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	133	every server tick.
102		134
103	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
115		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
140	LOG llevError, $msg;	192	LOG llevError, $msg;
141	};	193	};
142	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	warn Carp::longmess $_[0];
		198	Coro::terminate;
		199	};
143		200
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	204	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		208
151	# 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
152	# within the Safe compartment.	210	# within the Safe compartment.
153	for my $pkg (qw(	211	for my $pkg (qw(
154	cf::global cf::attachable	212	cf::global cf::attachable
…		…
159	)) {	217	)) {
160	no strict 'refs';	218	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	220	}
163		221
164	$Event::DIED = sub {	222	$EV::DIED = sub {
165	warn "error in event callback: @_";	223	warn "error in event callback: @_";
166	};	224	};
		225
		226	#############################################################################
167		227
168	=head2 UTILITY FUNCTIONS	228	=head2 UTILITY FUNCTIONS
169		229
170	=over 4	230	=over 4
171		231
…		…
190	$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;
191	$d	251	$d
192	} || "[unable to dump $_[0]: '$@']";	252	} || "[unable to dump $_[0]: '$@']";
193	}	253	}
194		254
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	255	=item $ref = cf::decode_json $json
198		256
199	Converts a JSON string into the corresponding perl data structure.	257	Converts a JSON string into the corresponding perl data structure.
200		258
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	259	=item $json = cf::encode_json $ref
209		260
210	Converts a perl data structure into its JSON representation.	261	Converts a perl data structure into its JSON representation.
211		262
212	=cut	263	=cut
213		264
214	sub to_json($) {	265	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	266
216	JSON::Syck::Dump $_[0]	267	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	268	sub decode_json($) { $json_coder->decode ($_[0]) }
218		269
219	=item cf::lock_wait $string	270	=item cf::lock_wait $string
220		271
221	Wait until the given lock is available. See cf::lock_acquire.	272	Wait until the given lock is available. See cf::lock_acquire.
222		273
…		…
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	278	for example when the coroutine gets canceled), the lock is automatically
228	returned.	279	returned.
229		280
		281	Locks are *not* recursive, locking from the same coro twice results in a
		282	deadlocked coro.
		283
230	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
231	uses map_find and cf::map::load uses map_load).	285	uses map_find and cf::map::load uses map_load).
232		286
		287	=item $locked = cf::lock_active $string
		288
		289	Return true if the lock is currently active, i.e. somebody has locked it.
		290
233	=cut	291	=cut
234		292
235	our %LOCK;	293	our %LOCK;
		294	our %LOCKER;#d#
236		295
237	sub lock_wait($) {	296	sub lock_wait($) {
238	my ($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#
239		303
240	# wait for lock, if any	304	# wait for lock, if any
241	while ($LOCK{$key}) {	305	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	306	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	307	Coro::schedule;
…		…
249		313
250	# wait, to be sure we are not locked	314	# wait, to be sure we are not locked
251	lock_wait $key;	315	lock_wait $key;
252		316
253	$LOCK{$key} = [];	317	$LOCK{$key} = [];
		318	$LOCKER{$key} = $Coro::current;#d#
254		319
255	Coro::guard {	320	Coro::guard {
		321	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	322	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	323	$_->ready for @{ delete $LOCK{$key} };
258	}	324	}
259	}	325	}
260		326
		327	sub lock_active($) {
		328	my ($key) = @_;
		329
		330	! ! $LOCK{$key}
		331	}
		332
261	sub freeze_mainloop {	333	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	334	return unless $TICK_WATCHER->is_active;
263		335
264	my $guard = Coro::guard {	336	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	337	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	338	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	339	$TICK_WATCHER->stop;
270	$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	$sig->wait;
271	}	414	}
272		415
273	=item cf::async { BLOCK }	416	=item cf::async { BLOCK }
274		417
275	Currently the same as Coro::async_pool, meaning you cannot use	418	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		423
281	BEGIN { *async = \&Coro::async_pool }	424	BEGIN { *async = \&Coro::async_pool }
282		425
283	=item cf::sync_job { BLOCK }	426	=item cf::sync_job { BLOCK }
284		427
285	The design of crossfire+ requires that the main coro ($Coro::main) is	428	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	429	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	430	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		431	acceptable.
288		432
289	If it must be done, put the blocking parts into C<sync_job>. This will run	433	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	434	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	435	server will be frozen during this time, so the block should either finish
292	fast or be very important.	436	fast or be very important.
…		…
295		439
296	sub sync_job(&) {	440	sub sync_job(&) {
297	my ($job) = @_;	441	my ($job) = @_;
298		442
299	if ($Coro::current == $Coro::main) {	443	if ($Coro::current == $Coro::main) {
		444	my $time = EV::time;
		445
300	# this is the main coro, too bad, we have to block	446	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	447	# till the operation succeeds, freezing the server :/
302		448
		449	LOG llevError, Carp::longmess "sync job";#d#
		450
303	# TODO: use suspend/resume instead	451	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	452	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	453	my $freeze_guard = freeze_mainloop;
306		454
307	my $busy = 1;	455	my $busy = 1;
308	my @res;	456	my @res;
309		457
310	(async {	458	(async {
		459	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	460	@res = eval { $job->() };
312	warn $@ if $@;	461	warn $@ if $@;
313	undef $busy;	462	undef $busy;
314	})->prio (Coro::PRIO_MAX);	463	})->prio (Coro::PRIO_MAX);
315		464
316	while ($busy) {	465	while ($busy) {
317	Coro::cede or Event::one_event;	466	if (Coro::nready) {
		467	Coro::cede_notself;
		468	} else {
		469	EV::loop EV::LOOP_ONESHOT;
318	}	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
319		479
320	wantarray ? @res : $res[0]	480	wantarray ? @res : $res[0]
321	} else {	481	} else {
322	# we are in another coroutine, how wonderful, everything just works	482	# we are in another coroutine, how wonderful, everything just works
323		483
…		…
343	$EXT_CORO{$coro+0} = $coro;	503	$EXT_CORO{$coro+0} = $coro;
344		504
345	$coro	505	$coro
346	}	506	}
347		507
348	sub write_runtime {	508	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		509
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	510	Executes the given code block with the given arguments in a seperate
352	or return;	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.
353		514
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	515	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		516
358	aio_fsync $fh	517	sub fork_call(&@) {
359	and return;	518	my ($cb, @args) = @_;
360		519
361	close $fh	520	# we seemingly have to make a local copy of the whole thing,
362	or return;	521	# otherwise perl prematurely frees the stuff :/
		522	# TODO: investigate and fix (likely this will be rather laborious)
363		523
364	aio_rename "$runtime~", $runtime	524	my @res = Coro::Util::fork_eval {
365	and return;	525	reset_signals;
		526	&$cb
		527	}, @args;
366		528
		529	wantarray ? @res : $res[-1]
		530	}
		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($$) {
		574	my $key = "$_[0]/$_[1]";
		575
		576	cf::sync_job {
		577	BDB::db_get $DB, undef, $key, my $data;
		578
		579	$! ? ()
		580	: $data
367	1	581	}
		582	}
		583
		584	sub db_put($$$) {
		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 });
368	}	668	}
369		669
370	=back	670	=back
371		671
372	=cut	672	=cut
…		…
379	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")
380	to it. All such attachable objects support the following methods.	680	to it. All such attachable objects support the following methods.
381		681
382	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>
383	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
384	crossfire+).	684	Deliantra).
385		685
386	=over 4	686	=over 4
387		687
388	=item $attachable->attach ($attachment, key => $value...)	688	=item $attachable->attach ($attachment, key => $value...)
389		689
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	803	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	804	our @CB_MAP = ();
505		805
506	my %attachment;	806	my %attachment;
507		807
		808	sub cf::attachable::thawer_merge {
		809	# simply override everything except _meta
		810	local $_[0]{_meta};
		811	%{$_[0]} = %{$_[1]};
		812	}
		813
508	sub _attach_cb($$$$) {	814	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	815	my ($registry, $event, $prio, $cb) = @_;
510		816
511	use sort 'stable';	817	use sort 'stable';
512		818
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	852	$registry = $CB_TYPE[$object_type] ||= [];
547		853
548	} elsif ($type eq "subtype") {	854	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	855	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	856	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	857	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		858
553	} elsif ($type eq "package") {	859	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	860	my $pkg = shift @arg;
555		861
556	while (my ($name, $id) = each %cb_id) {	862	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	891	_attach $registry, $klass, @attach;
586	}	892	}
587		893
588	$obj->{$name} = \%arg;	894	$obj->{$name} = \%arg;
589	} else {	895	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	896	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	897	}
592		898
593	$obj->{_attachment}{$name} = undef;	899	$obj->{_attachment}{$name} = undef;
594	}	900	}
595		901
…		…
597	if (ref $_[0]) {	903	if (ref $_[0]) {
598	_object_attach @_;	904	_object_attach @_;
599	} else {	905	} else {
600	_attach shift->_attach_registry, @_;	906	_attach shift->_attach_registry, @_;
601	}	907	}
		908	_recalc_want;
602	};	909	};
603		910
604	# all those should be optimised	911	# all those should be optimised
605	sub cf::attachable::detach {	912	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	913	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	916	delete $obj->{_attachment}{$name};
610	reattach ($obj);	917	reattach ($obj);
611	} else {	918	} else {
612	Carp::croak "cannot, currently, detach class attachments";	919	Carp::croak "cannot, currently, detach class attachments";
613	}	920	}
		921	_recalc_want;
614	};	922	};
615		923
616	sub cf::attachable::attached {	924	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	925	my ($obj, $name) = @_;
618		926
…		…
633	";	941	";
634	die if $@;	942	die if $@;
635	}	943	}
636		944
637	our $override;	945	our $override;
638	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?
639		947
640	sub override {	948	sub override {
641	$override = 1;	949	$override = 1;
642	@invoke_results = ();	950	@INVOKE_RESULTS = (@_);
643	}	951	}
644		952
645	sub do_invoke {	953	sub do_invoke {
646	my $event = shift;	954	my $event = shift;
647	my $callbacks = shift;	955	my $callbacks = shift;
648		956
649	@invoke_results = ();	957	@INVOKE_RESULTS = ();
650		958
651	local $override;	959	local $override;
652		960
653	for (@$callbacks) {	961	for (@$callbacks) {
654	eval { &{$_->[1]} };	962	eval { &{$_->[1]} };
…		…
663	}	971	}
664		972
665	0	973	0
666	}	974	}
667		975
668	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669		977
670	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	978	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671		979
672	Generate an object-specific event with the given arguments.	980	Generate an object-specific event with the given arguments.
673		981
674	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
675	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
676	results (if you must, access C<@cf::invoke_results> directly).	984	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		985
678	=back	986	=back
679		987
680	=cut	988	=cut
681		989
682	#############################################################################	990	#############################################################################
683	# object support	991	# object support
		992
		993	sub _object_equal($$);
		994	sub _object_equal($$) {
		995	my ($a, $b) = @_;
		996
		997	return 0 unless (ref $a) eq (ref $b);
		998
		999	if ("HASH" eq ref $a) {
		1000	my @ka = keys %$a;
		1001	my @kb = keys %$b;
		1002
		1003	return 0 if @ka != @kb;
		1004
		1005	for (0 .. $#ka) {
		1006	return 0 unless $ka[$_] eq $kb[$_];
		1007	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1008	}
		1009
		1010	} elsif ("ARRAY" eq ref $a) {
		1011
		1012	return 0 if @$a != @$b;
		1013
		1014	for (0 .. $#$a) {
		1015	return 0 unless _object_equal $a->[$_], $b->[$_];
		1016	}
		1017
		1018	} elsif ($a ne $b) {
		1019	return 0;
		1020	}
		1021
		1022	1
		1023	}
		1024
		1025	our $SLOW_MERGES;#d#
		1026	sub _can_merge {
		1027	my ($ob1, $ob2) = @_;
		1028
		1029	++$SLOW_MERGES;#d#
		1030
		1031	# we do the slow way here
		1032	return _object_equal $ob1, $ob2
		1033	}
684		1034
685	sub reattach {	1035	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1036	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1037	my ($obj) = @_;
688		1038
…		…
709	cf::attachable->attach (	1059	cf::attachable->attach (
710	prio => -1000000,	1060	prio => -1000000,
711	on_instantiate => sub {	1061	on_instantiate => sub {
712	my ($obj, $data) = @_;	1062	my ($obj, $data) = @_;
713		1063
714	$data = from_json $data;	1064	$data = decode_json $data;
715		1065
716	for (@$data) {	1066	for (@$data) {
717	my ($name, $args) = @$_;	1067	my ($name, $args) = @$_;
718		1068
719	$obj->attach ($name, %{$args || {} });	1069	$obj->attach ($name, %{$args || {} });
…		…
735	sub object_freezer_save {	1085	sub object_freezer_save {
736	my ($filename, $rdata, $objs) = @_;	1086	my ($filename, $rdata, $objs) = @_;
737		1087
738	sync_job {	1088	sync_job {
739	if (length $$rdata) {	1089	if (length $$rdata) {
		1090	utf8::decode (my $decname = $filename);
740	warn sprintf "saving %s (%d,%d)\n",	1091	warn sprintf "saving %s (%d,%d)\n",
741	$filename, length $$rdata, scalar @$objs;	1092	$decname, length $$rdata, scalar @$objs;
742		1093
743	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	1095	chmod SAVE_MODE, $fh;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746	aio_fsync $fh;	1097	aio_fsync $fh if $cf::USE_FSYNC;
747	close $fh;	1098	close $fh;
748		1099
749	if (@$objs) {	1100	if (@$objs) {
750	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) {
751	chmod SAVE_MODE, $fh;	1102	chmod SAVE_MODE, $fh;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	1104	aio_write $fh, 0, (length $data), $data, 0;
754	aio_fsync $fh;	1105	aio_fsync $fh if $cf::USE_FSYNC;
755	close $fh;	1106	close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	1107	aio_rename "$filename.pst~", "$filename.pst";
757	}	1108	}
758	} else {	1109	} else {
759	aio_unlink "$filename.pst";	1110	aio_unlink "$filename.pst";
…		…
765	}	1116	}
766	} else {	1117	} else {
767	aio_unlink $filename;	1118	aio_unlink $filename;
768	aio_unlink "$filename.pst";	1119	aio_unlink "$filename.pst";
769	}	1120	}
770	}	1121	};
771	}	1122	}
772		1123
773	sub object_freezer_as_string {	1124	sub object_freezer_as_string {
774	my ($rdata, $objs) = @_;	1125	my ($rdata, $objs) = @_;
775		1126
…		…
787	or return;	1138	or return;
788		1139
789	unless (aio_stat "$filename.pst") {	1140	unless (aio_stat "$filename.pst") {
790	(aio_load "$filename.pst", $av) >= 0	1141	(aio_load "$filename.pst", $av) >= 0
791	or return;	1142	or return;
		1143
792	$av = eval { (Storable::thaw $av)->{objs} };	1144	my $st = eval { Coro::Storable::thaw $av };
		1145	$av = $st->{objs};
793	}	1146	}
794		1147
		1148	utf8::decode (my $decname = $filename);
795	warn sprintf "loading %s (%d)\n",	1149	warn sprintf "loading %s (%d,%d)\n",
796	$filename, length $data, scalar @{$av || []};#d#	1150	$decname, length $data, scalar @{$av || []};
		1151
797	return ($data, $av);	1152	($data, $av)
798	}	1153	}
		1154
		1155	=head2 COMMAND CALLBACKS
		1156
		1157	=over 4
		1158
		1159	=cut
799		1160
800	#############################################################################	1161	#############################################################################
801	# command handling &c	1162	# command handling &c
802		1163
803	=item cf::register_command $name => \&callback($ob,$args);	1164	=item cf::register_command $name => \&callback($ob,$args);
…		…
816	push @{ $COMMAND{$name} }, [$caller, $cb];	1177	push @{ $COMMAND{$name} }, [$caller, $cb];
817	}	1178	}
818		1179
819	=item cf::register_extcmd $name => \&callback($pl,$packet);	1180	=item cf::register_extcmd $name => \&callback($pl,$packet);
820		1181
821	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.
822		1187
823	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
824	called.	1189	called.
825		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
826	=cut	1202	=cut
827		1203
828	sub register_extcmd {	1204	sub register_extcmd {
829	my ($name, $cb) = @_;	1205	my ($name, $cb) = @_;
830		1206
831	$EXTCMD{$name} = $cb;	1207	$EXTCMD{$name} = $cb;
		1208	}
		1209
		1210	sub register_exticmd {
		1211	my ($name, $cb) = @_;
		1212
		1213	$EXTICMD{$name} = $cb;
832	}	1214	}
833		1215
834	cf::player->attach (	1216	cf::player->attach (
835	on_command => sub {	1217	on_command => sub {
836	my ($pl, $name, $params) = @_;	1218	my ($pl, $name, $params) = @_;
…		…
845	cf::override;	1227	cf::override;
846	},	1228	},
847	on_extcmd => sub {	1229	on_extcmd => sub {
848	my ($pl, $buf) = @_;	1230	my ($pl, $buf) = @_;
849		1231
850	my $msg = eval { from_json $buf };	1232	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851		1233
852	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
853	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1242	if (my $cb = $EXTCMD{$type}) {
854	if (my %reply = $cb->($pl, $msg)) {	1243	@reply = $cb->($pl, @payload);
855	$pl->ext_reply ($msg->{msgid}, %reply);
856	}
857	}	1244	}
		1245
		1246	$pl->ext_reply ($reply, @reply)
		1247	if $reply;
		1248
858	} else {	1249	} else {
859	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1250	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860	}	1251	}
861		1252
862	cf::override;	1253	cf::override;
863	},	1254	},
864	);	1255	);
865		1256
866	sub load_extension {
867	my ($path) = @_;
868
869	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
870	my $base = $1;
871	my $pkg = $1;
872	$pkg =~ s/[^[:word:]]/_/g;
873	$pkg = "ext::$pkg";
874
875	warn "... loading '$path' into '$pkg'\n";
876
877	open my $fh, "<:utf8", $path
878	or die "$path: $!";
879
880	my $source =
881	"package $pkg; use strict; use utf8;\n"
882	. "#line 1 \"$path\"\n{\n"
883	. (do { local $/; <$fh> })
884	. "\n};\n1";
885
886	unless (eval $source) {
887	my $msg = $@ ? "$path: $@\n"
888	: "extension disabled.\n";
889	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890	warn $@;
891	warn "mandatory extension failed to load, exiting.\n";
892	exit 1;
893	}
894	die $@;
895	}
896
897	push @EXTS, $pkg;
898	}
899
900	sub load_extensions {	1257	sub load_extensions {
		1258	cf::sync_job {
		1259	my %todo;
		1260
901	for my $ext (<$LIBDIR/*.ext>) {	1261	for my $path (<$LIBDIR/*.ext>) {
902	next unless -r $ext;	1262	next unless -r $path;
903	eval {	1263
904	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;
905	1	1321	}
906	} or warn "$ext not loaded: $@";	1322
		1323	skip:
		1324	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1325	unless $progress;
		1326	}
907	}	1327	};
908	}	1328	}
909		1329
910	#############################################################################	1330	#############################################################################
911		1331
		1332	=back
		1333
912	=head2 CORE EXTENSIONS	1334	=head2 CORE EXTENSIONS
913		1335
914	Functions and methods that extend core crossfire objects.	1336	Functions and methods that extend core crossfire objects.
915		1337
916	=cut	1338	=cut
…		…
921		1343
922	=head3 cf::player	1344	=head3 cf::player
923		1345
924	=over 4	1346	=over 4
925		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
926	=item cf::player::find $login	1362	=item cf::player::find $login
927		1363
928	Returns the given player object, loading it if necessary (might block).	1364	Returns the given player object, loading it if necessary (might block).
929		1365
930	=cut	1366	=cut
931		1367
932	sub playerdir($) {	1368	sub playerdir($) {
933	cf::localdir	1369	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1370	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1371	}
939		1372
940	sub path($) {	1373	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1374	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1375
943	(playerdir $login) . "/$login.pl"	1376	(playerdir $login) . "/playerdata"
944	}	1377	}
945		1378
946	sub find_active($) {	1379	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1380	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1381	and $cf::PLAYER{$_[0]}->active
…		…
951		1384
952	sub exists($) {	1385	sub exists($) {
953	my ($login) = @_;	1386	my ($login) = @_;
954		1387
955	$cf::PLAYER{$login}	1388	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1389	or cf::sync_job { !aio_stat path $login }
957	}	1390	}
958		1391
959	sub find($) {	1392	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	1393	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	1394	my $login = $_[0];
962		1395
963	my $guard = cf::lock_acquire "user_find:$login";	1396	my $guard = cf::lock_acquire "user_find:$login";
964		1397
965	$cf::PLAYER{$_[0]} || do {	1398	$cf::PLAYER{$_[0]} || do {
966	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
967	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;
968	$cf::PLAYER{$login} = $pl	1413	$cf::PLAYER{$login} = $pl
969	}	1414	}
970	}	1415	}
971	}	1416	}
972		1417
…		…
982		1427
983	aio_mkdir playerdir $pl, 0770;	1428	aio_mkdir playerdir $pl, 0770;
984	$pl->{last_save} = $cf::RUNTIME;	1429	$pl->{last_save} = $cf::RUNTIME;
985		1430
986	$pl->save_pl ($path);	1431	$pl->save_pl ($path);
987	Coro::cede;	1432	cf::cede_to_tick;
988	}	1433	}
989		1434
990	sub new($) {	1435	sub new($) {
991	my ($login) = @_;	1436	my ($login) = @_;
992		1437
…		…
998	$cf::PLAYER{$login} = $self;	1443	$cf::PLAYER{$login} = $self;
999		1444
1000	$self	1445	$self
1001	}	1446	}
1002		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
1003	=item $pl->quit_character	1458	=item $pl->quit_character
1004		1459
1005	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
1006	be destroyed. May block for a long time.	1461	be destroyed. May block for a long time.
1007		1462
1008	=cut	1463	=cut
1009		1464
1010	sub quit_character {	1465	sub quit_character {
1011	my ($pl) = @_;	1466	my ($pl) = @_;
		1467
		1468	my $name = $pl->ob->name;
1012		1469
1013	$pl->{deny_save} = 1;	1470	$pl->{deny_save} = 1;
1014	$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
1015		1472
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1473	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1021	my $path = playerdir $pl;	1478	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1479	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1480	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1481	delete $cf::PLAYER{$pl->ob->name};
1025	$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
1026	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;
1027	}	1504	}
1028		1505
1029	=item cf::player::list_logins	1506	=item cf::player::list_logins
1030		1507
1031	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
1032	while and may block, so not sync_job-capable, ever.	1509	while and may block, so not sync_job-capable, ever.
1033		1510
1034	=cut	1511	=cut
1035		1512
1036	sub list_logins {	1513	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1514	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1515	or return [];
1039		1516
1040	my @logins;	1517	my @logins;
1041		1518
1042	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") {
1043	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1044	aio_read $fh, 0, 512, my $buf, 0 or next;	1525	aio_read $fh, 0, 512, my $buf, 0 or next;
1045	$buf !~ /^password -------------$/m or next; # official not-valid tag	1526	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1527	}
1046		1528
1047	utf8::decode $login;	1529	utf8::decode $login;
1048	push @logins, $login;	1530	push @logins, $login;
1049	}	1531	}
1050		1532
…		…
1058		1540
1059	=cut	1541	=cut
1060		1542
1061	sub maps($) {	1543	sub maps($) {
1062	my ($pl) = @_;	1544	my ($pl) = @_;
		1545
		1546	$pl = ref $pl ? $pl->ob->name : $pl;
1063		1547
1064	my $files = aio_readdir playerdir $pl	1548	my $files = aio_readdir playerdir $pl
1065	or return;	1549	or return;
1066		1550
1067	my @paths;	1551	my @paths;
…		…
1069	for (@$files) {	1553	for (@$files) {
1070	utf8::decode $_;	1554	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1555	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1556	next unless /^$PATH_SEP/o;
1073		1557
1074	s/\.map$//;	1558	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1559	}
1077		1560
1078	\@paths	1561	\@paths
1079	}	1562	}
1080		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
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1657	=item $player->ext_reply ($msgid, @msg)
1082		1658
1083	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1084		1660
1085	=cut	1661	=cut
1086		1662
1087	sub ext_reply($$$%) {	1663	sub ext_reply($$@) {
1088	my ($self, $id, %msg) = @_;	1664	my ($self, $id, @msg) = @_;
1089		1665
1090	$msg{msgid} = $id;	1666	$self->ns->ext_reply ($id, @msg)
1091
1092	$self->send ("ext " . cf::to_json \%msg);
1093	}	1667	}
1094		1668
1095	package cf;	1669	=item $player->ext_msg ($type, @msg)
		1670
		1671	Sends an ext event to the client.
		1672
		1673	=cut
		1674
		1675	sub ext_msg($$@) {
		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	}
1096		1709
1097	=back	1710	=back
1098
1099		1711
1100	=head3 cf::map	1712	=head3 cf::map
1101		1713
1102	=over 4	1714	=over 4
1103		1715
…		…
1107		1719
1108	use Fcntl;	1720	use Fcntl;
1109	use Coro::AIO;	1721	use Coro::AIO;
1110		1722
1111	use overload	1723	use overload
1112	'""' => \&as_string;	1724	'""' => \&as_string,
		1725	fallback => 1;
1113		1726
1114	our $MAX_RESET = 3600;	1727	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1728	our $DEFAULT_RESET = 3000;
1116		1729
1117	sub generate_random_map {	1730	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1731	my ($self, $rmp) = @_;
1119
1120	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1733	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1124	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1743	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1744	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1745	)
1134	}	1746	}
1135		1747
		1748	=item cf::map->register ($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
1136	sub register {	1756	sub register {
1137	my (undef, $regex) = @_;	1757	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1758	my $pkg = caller;
1139		1759
1140	no strict;	1760	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1761	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1762
1143	$EXT_MAP{$pkg} = qr<$regex>;	1763	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1764	}
1145		1765
1146	# also paths starting with '/'	1766	# also paths starting with '/'
1147	$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	}
1148		1778
1149	sub normalise {	1779	sub normalise {
1150	my ($path, $base) = @_;	1780	my ($path, $base) = @_;
		1781
		1782	$path = "$path"; # make sure its a string
		1783
		1784	$path =~ s/\.map$//;
1151		1785
1152	# map plan:	1786	# map plan:
1153	#	1787	#
1154	# /! non-realised random map exit (special hack!)	1788	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1789	# {... are special paths that are not being touched
…		…
1183		1817
1184	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
1185		1819
1186	$path = normalise $path, $base;	1820	$path = normalise $path, $base;
1187		1821
1188	for my $pkg (keys %EXT_MAP) {	1822	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1823	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1824	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1825	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1193	return $self;	1827	return $self;
1194	}	1828	}
1195	}	1829	}
1196		1830
1197	Carp::carp "unable to resolve path '$path'.";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1198	()	1832	()
1199	}	1833	}
1200		1834
1201	sub init {	1835	sub init {
1202	my ($self) = @_;	1836	my ($self) = @_;
…		…
1217		1851
1218	# the original (read-only) location	1852	# the original (read-only) location
1219	sub load_path {	1853	sub load_path {
1220	my ($self) = @_;	1854	my ($self) = @_;
1221		1855
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1856	"$MAPDIR/$self->{path}.map"
1223	}	1857	}
1224		1858
1225	# the temporary/swap location	1859	# the temporary/swap location
1226	sub save_path {	1860	sub save_path {
1227	my ($self) = @_;	1861	my ($self) = @_;
1228		1862
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1864	"$TMPDIR/$path.map"
1231	}	1865	}
1232		1866
1233	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1234	sub uniq_path {	1868	sub uniq_path {
1235	my ($self) = @_;	1869	my ($self) = @_;
1236		1870
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1872	"$UNIQUEDIR/$path"
1239	}	1873	}
1240		1874
1241	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1242	# all maps in C++...	1876	# all maps in C++...
1243	sub change_all_map_light {	1877	sub change_all_map_light {
…		…
1245		1879
1246	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1247	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1248	}	1882	}
1249		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1250	sub unlink_save {	1892	sub unlink_save {
1251	my ($self) = @_;	1893	my ($self) = @_;
1252		1894
1253	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1897	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1898	}
1257		1899
1258	sub load_header_from($) {	1900	sub load_header_from($) {
1259	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1260		1902
1261	utf8::encode $path;	1903	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1263	or return;	1905	or return;
1264		1906
1265	$self->_load_header ($path)	1907	$self->_load_header ($f)
1266	or return;	1908	or return;
1267		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
		1912
1268	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1269		1914
1270	1	1915	1
1271	}	1916	}
1272		1917
1273	sub load_orig {	1918	sub load_header_orig {
1274	my ($self) = @_;	1919	my ($self) = @_;
1275		1920
1276	$self->load_header_from ($self->load_path)	1921	$self->load_header_from ($self->load_path)
1277	}	1922	}
1278		1923
1279	sub load_temp {	1924	sub load_header_temp {
1280	my ($self) = @_;	1925	my ($self) = @_;
1281		1926
1282	$self->load_header_from ($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	$self->instantiate;
1283	}	1947	}
1284		1948
1285	sub load_header {	1949	sub load_header {
1286	my ($self) = @_;	1950	my ($self) = @_;
1287		1951
1288	if ($self->load_temp) {	1952	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	1953	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	1954	} else {
1295	$self->load_orig	1955	$self->load_header_orig
1296	or return;	1956	or return;
1297		1957	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	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 $self->default_region;
1303		1965
1304	1	1966	1
1305	}	1967	}
1306		1968
1307	sub find;	1969	sub find;
1308	sub find {	1970	sub find {
1309	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1310		1972
1311	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1312		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1313	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1314		1977
1315	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
1316	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
1317	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1318	or return;	1983	or return;
1319		1984
1320	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1321		1986
1322	$map->load_header	1987	$map->load_header
1323	or return;	1988	or return;
1324		1989
1325	if ($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;
1326	$map->reset;	1995	$map->reset;
1327	undef $guard;
1328	$map = find $path	1996	return find $path;
1329	or return;
1330	}	1997	}
1331		1998
1332	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1333	}	2000	}
1334	}	2001	}
		2002
		2003	sub pre_load { }
		2004	sub post_load { }
1335		2005
1336	sub load {	2006	sub load {
1337	my ($self) = @_;	2007	my ($self) = @_;
1338		2008
		2009	local $self->{deny_reset} = 1; # loading can take a long time
		2010
1339	my $path = $self->{path};	2011	my $path = $self->{path};
		2012
		2013	{
1340	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1341		2015
		2016	return unless $self->valid;
1342	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1343		2018
1344	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1345		2020
1346	$self->alloc;	2021	$self->alloc;
1347	$self->_load_objects ($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)
1348	or return;	2029	or return;
1349		2030
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1351	if delete $self->{load_original};	2032	if delete $self->{load_original};
1352		2033
1353	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;	2035	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1356	$self->clear_unique_items;	2038	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1358	}	2042	}
1359	}	2043	}
1360		2044
1361	Coro::cede;	2045	$f->resolve_delayed_derefs;
1362		2046
		2047	cf::cede_to_tick;
1363	# now do the right thing for maps	2048	# now do the right thing for maps
1364	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;
1371	$self->set_darkness_map;
1372	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	2051	unless $self->difficulty;
1374	Coro::cede;	2052	cf::cede_to_tick;
		2053
		2054	unless ($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;
1375	$self->activate;	2061	$self->activate;
1376	}	2062	}
1377		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
1378	$self->in_memory (cf::MAP_IN_MEMORY);	2067	$self->in_memory (cf::MAP_IN_MEMORY);
		2068	}
		2069
		2070	$self->post_load;
1379	}	2071	}
1380		2072
1381	sub customise_for {	2073	sub customise_for {
1382	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1383		2075
1384	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	2077	if $self->per_player;
1386		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1387	$self	2082	$self
1388	}	2083	}
1389		2084
1390	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1391	sub load_diag {	2086	sub load_neighbours {
1392	my ($map) = @_;	2087	my ($map) = @_;
1393		2088
1394	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1395		2090
1396	for (0 .. 3) {	2091	for (0 .. 3) {
1397	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1398	or next;	2093	or next;
1399	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1400	or next;	2095	or next;
1401	$neigh->load;	2096	$neigh->load;
1402		2097
		2098	push @neigh,
1403	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1404	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1405	}	2101	}
1406		2102
1407	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1408	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1409	or next;	2106	or next;
1410	$neigh->load;	2107	$neigh->load;
1411	}	2108	}
1412	}	2109	}
1413		2110
…		…
1418	}	2115	}
1419		2116
1420	sub do_load_sync {	2117	sub do_load_sync {
1421	my ($map) = @_;	2118	my ($map) = @_;
1422		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1423	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1424	}	2124	}
1425		2125
1426	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	2127	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		2128
1440	sub find_async {	2129	sub find_async {
1441	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1442		2131
1443	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1444		2133
1445	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1446	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;
1447	}	2153	};
1448
1449	$MAP_PREFETCH{$path} = 0;
1450	$MAP_PREFETCHER->ready;	2154	$MAP_PREFETCHER->prio (6);
1451		2155
1452	()	2156	()
1453	}	2157	}
1454		2158
1455	sub save {	2159	sub save {
1456	my ($self) = @_;	2160	my ($self) = @_;
1457		2161
1458	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1459		2163
1460	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1461		2165
1462	return unless $self->dirty;	2166	return unless $self->dirty;
1463		2167
…		…
1469	return if $self->{deny_save};	2173	return if $self->{deny_save};
1470		2174
1471	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1472		2176
1473	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1474	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1475	};	2180	};
1476		2181
1477	if ($uniq) {	2182	if ($uniq) {
1478	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1486	my ($self) = @_;	2191	my ($self) = @_;
1487		2192
1488	# save first because save cedes	2193	# save first because save cedes
1489	$self->save;	2194	$self->save;
1490		2195
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2196	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2197
1493	return if $self->players;	2198	return if $self->players;
1494	return if $self->in_memory != cf::MAP_IN_MEMORY;	2199	return if $self->in_memory != cf::MAP_IN_MEMORY;
1495	return if $self->{deny_save};	2200	return if $self->{deny_save};
1496		2201
		2202	$self->in_memory (cf::MAP_SWAPPED);
		2203
		2204	$self->deactivate;
		2205	$_->clear_links_to ($self) for values %cf::MAP;
1497	$self->clear;	2206	$self->clear;
1498	$self->in_memory (cf::MAP_SWAPPED);
1499	}	2207	}
1500		2208
1501	sub reset_at {	2209	sub reset_at {
1502	my ($self) = @_;	2210	my ($self) = @_;
1503		2211
1504	# TODO: safety, remove and allow resettable per-player maps	2212	# TODO: safety, remove and allow resettable per-player maps
1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
1506	return 1e99 if $self->{deny_reset};	2213	return 1e99 if $self->{deny_reset};
1507		2214
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2215	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2216	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510		2217
…		…
1515	my ($self) = @_;	2222	my ($self) = @_;
1516		2223
1517	$self->reset_at <= $cf::RUNTIME	2224	$self->reset_at <= $cf::RUNTIME
1518	}	2225	}
1519		2226
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	2227	sub reset {
1535	my ($self) = @_;	2228	my ($self) = @_;
1536		2229
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	2230	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		2231
1539	return if $self->players;	2232	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		2233
1542	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	}
1543		2245
1544	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1545		2247
1546	$self->in_memory (cf::MAP_SWAPPED);	2248	$self->deactivate;
		2249	$_->clear_links_to ($self) for values %cf::MAP;
1547	$self->clear;	2250	$self->clear;
1548
1549	$_->clear_links_to ($self) for values %cf::MAP;
1550		2251
1551	$self->unlink_save;	2252	$self->unlink_save;
1552	$self->destroy;	2253	$self->destroy;
1553	}	2254	}
1554		2255
1555	my $nuke_counter = "aaaa";	2256	my $nuke_counter = "aaaa";
1556		2257
1557	sub nuke {	2258	sub nuke {
1558	my ($self) = @_;	2259	my ($self) = @_;
1559		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};
1560	$self->{deny_save} = 1;	2270	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	2271	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	2272	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2273
		2274	$cf::MAP{$self->path} = $self;
		2275	}
		2276
1563	$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	]
1564	}	2314	}
1565		2315
1566	=item cf::map::unique_maps	2316	=item cf::map::unique_maps
1567		2317
1568	Returns an arrayref of paths of all shared maps that have	2318	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2319	instantiated unique items. May block.
1570		2320
1571	=cut	2321	=cut
1572		2322
1573	sub unique_maps() {	2323	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2324	[
1575	or return;	2325	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2326	utf8::decode $_;
1581	next if /\.pst$/;
1582	next unless /^$PATH_SEP/o;
1583
1584	s/\.map$//;	2327	/\.map$/
1585	push @paths, $_;	2328	? normalise $_
		2329	: ()
		2330	} @{ aio_readdir $UNIQUEDIR or [] }
1586	}	2331	]
1587
1588	\@paths
1589	}	2332	}
1590		2333
1591	package cf;	2334	package cf;
1592		2335
1593	=back	2336	=back
…		…
1611	map { $_, inv_recursive_ $_->inv } @_	2354	map { $_, inv_recursive_ $_->inv } @_
1612	}	2355	}
1613		2356
1614	sub inv_recursive {	2357	sub inv_recursive {
1615	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	}
1616	}	2387	}
1617		2388
1618	package cf;	2389	package cf;
1619		2390
1620	=back	2391	=back
…		…
1639		2410
1640	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2411	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641		2412
1642	if ($self->{record_replies}) {	2413	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2414	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2415
1644	} 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 {
1645	$msg = $npc->name . " says: $msg" if $npc;	2424	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2425	$self->message ($msg, $flags);
		2426	}
1647	}	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 (@_);
1648	}	2438	}
1649		2439
1650	=item $player_object->may ("access")	2440	=item $player_object->may ("access")
1651		2441
1652	Returns wether the given player is authorized to access resource "access"	2442	Returns wether the given player is authorized to access resource "access"
…		…
1684	=cut	2474	=cut
1685		2475
1686	sub link_map {	2476	sub link_map {
1687	unless ($LINK_MAP) {	2477	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2478	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2479	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2480	$LINK_MAP->load;
1691	}	2481	}
1692		2482
1693	$LINK_MAP	2483	$LINK_MAP
1694	}	2484	}
…		…
1699	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1700		2490
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2492
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1705		2495
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1707	}	2497	}
1708		2498
1709	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1711		2503
1712	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1713		2505
1714	unless ($map) {	2506	unless ($map) {
1715	# restore original map position	2507	# restore original map position
…		…
1729	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1730	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1731	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1732		2524
1733	$map->load;	2525	$map->load;
1734	$map->load_diag;	2526	$map->load_neighbours;
1735		2527
1736	return unless $self->contr->active;	2528	return unless $self->contr->active;
1737	$self->activate_recursive;	2529	$self->activate_recursive;
		2530
		2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1739	}	2533	}
1740		2534
1741	cf::player->attach (	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742	on_logout => sub {
1743	my ($pl) = @_;
1744		2536
1745	# abort map switching before logout	2537	Moves the player to the given map-path and coordinates by first freezing
1746	if ($pl->ob->{_link_pos}) {	2538	her, loading and preparing them map, calling the provided $check callback
1747	cf::sync_job {	2539	that has to return the map if sucecssful, and then unfreezes the player on
1748	$pl->ob->leave_link	2540	the new (success) or old (failed) map position. In either case, $done will
1749	};	2541	be called at the end of this process.
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754		2542
1755	# try to abort aborted map switching on player login :)
1756	# should happen only on crashes
1757	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;
1759	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "
1764	. "the server will try to bring you to your intended destination in a second.",
1765	cf::NDI_RED);
1766	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;
1768	})->prio (2);
1769	}
1770	},
1771	);
1772
1773	=item $player_object->goto ($path, $x, $y)
1774
1775	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1776		2546
1777	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1778	my ($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;
1779		2552
1780	$self->enter_link;	2553	$self->enter_link;
1781		2554
1782	(async {	2555	(async {
1783	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) {
1784	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
1785		2582	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2583	} else {
1787	# if $map;
1788
1789	$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	}
1790		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};
1791	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1792	})->prio (1);	2601	})->prio (1);
1793	}	2602	}
1794		2603
1795	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1796		2605
…		…
1798		2607
1799	sub parse_random_map_params {	2608	sub parse_random_map_params {
1800	my ($spec) = @_;	2609	my ($spec) = @_;
1801		2610
1802	my $rmp = { # defaults	2611	my $rmp = { # defaults
1803	xsize => 10,	2612	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2613	ysize => (cf::rndm 15, 40),
		2614	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2615	#layout => string,
1805	};	2616	};
1806		2617
1807	for (split /\n/, $spec) {	2618	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2619	my ($k, $v) = split /\s+/, $_, 2;
1809		2620
…		…
1813	$rmp	2624	$rmp
1814	}	2625	}
1815		2626
1816	sub prepare_random_map {	2627	sub prepare_random_map {
1817	my ($exit) = @_;	2628	my ($exit) = @_;
		2629
		2630	my $guard = cf::lock_acquire "exit_prepare:$exit";
1818		2631
1819	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1820	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1821	# that depends on the exit object	2634	# that depends on the exit object
1822		2635
1823	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
1824		2637
1825	if ($exit->map) {	2638	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2639	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
1830	}	2643	}
1831		2644
1832	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1833		2646
1834	my $data = cf::to_json $rmp;	2647	my $data = cf::encode_json $rmp;
1835	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
		2649	my $meta = "$RANDOMDIR/$md5.meta";
1836		2650
1837	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) {
1838	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;
1839		2655
1840	$exit->slaying ("?random/$md5");	2656	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2657	$exit->msg (undef);
1842	}	2658	}
1843	}	2659	}
…		…
1845	sub cf::object::player::enter_exit {	2661	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2662	my ($self, $exit) = @_;
1847		2663
1848	return unless $self->type == cf::PLAYER;	2664	return unless $self->type == cf::PLAYER;
1849		2665
		2666	if ($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
1850	$self->enter_link;	2677	$self->enter_link;
1851		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
1852	(async {	2683	(async {
		2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2685
1853	$self->deactivate_recursive; # just to be sure	2686	$self->deactivate_recursive; # just to be sure
1854	unless (eval {	2687	unless (eval {
1855	prepare_random_map $exit	2688	$self->goto ($slaying, $hp, $sp);
1856	if $exit->slaying eq "/!";
1857
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1860		2689
1861	1;	2690	1;
1862	}) {	2691	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2692	$self->message ("Something went wrong deep within the crossfire server. "
1864	. "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. "
1865	. "Please report this to the dungeon master!",	2694	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2695	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2696
1868	warn "ERROR in enter_exit: $@";	2697	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2698	$self->leave_link;
1870	}	2699	}
1871	})->prio (1);	2700	})->prio (1);
…		…
1884		2713
1885	sub cf::client::send_drawinfo {	2714	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2715	my ($self, $text, $flags) = @_;
1887		2716
1888	utf8::encode $text;	2717	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2718	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2719	}
1891		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	}
1892		2879
1893	=item $success = $client->query ($flags, "text", \&cb)	2880	=item $success = $client->query ($flags, "text", \&cb)
1894		2881
1895	Queues a query to the client, calling the given callback with	2882	Queues a query to the client, calling the given callback with
1896	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>,
1897	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>.
1898		2885
1899	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
1900	reliable at some point in the future.	2887	become reliable at some point in the future.
1901		2888
1902	=cut	2889	=cut
1903		2890
1904	sub cf::client::query {	2891	sub cf::client::query {
1905	my ($self, $flags, $text, $cb) = @_;	2892	my ($self, $flags, $text, $cb) = @_;
…		…
1913	utf8::encode $text;	2900	utf8::encode $text;
1914	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2901	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915		2902
1916	$self->send_packet ($self->{query_queue}[0][0])	2903	$self->send_packet ($self->{query_queue}[0][0])
1917	if @{ $self->{query_queue} } == 1;	2904	if @{ $self->{query_queue} } == 1;
		2905
		2906	1
1918	}	2907	}
1919		2908
1920	cf::client->attach (	2909	cf::client->attach (
		2910	on_connect => sub {
		2911	my ($ns) = @_;
		2912
		2913	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2914	},
1921	on_reply => sub {	2915	on_reply => sub {
1922	my ($ns, $msg) = @_;	2916	my ($ns, $msg) = @_;
1923		2917
1924	# this weird shuffling is so that direct followup queries	2918	# this weird shuffling is so that direct followup queries
1925	# get handled first	2919	# get handled first
1926	my $queue = delete $ns->{query_queue}	2920	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	2921	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		2922
1929	(shift @$queue)->[1]->($msg);	2923	(shift @$queue)->[1]->($msg);
		2924	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		2925
1931	push @{ $ns->{query_queue} }, @$queue;	2926	push @{ $ns->{query_queue} }, @$queue;
1932		2927
1933	if (@{ $ns->{query_queue} } == @$queue) {	2928	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	2929	if (@$queue) {
…		…
1936	} else {	2931	} else {
1937	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2932	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938	}	2933	}
1939	}	2934	}
1940	},	2935	},
		2936	on_exticmd => sub {
		2937	my ($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	},
1941	);	2962	);
1942		2963
1943	=item $client->async (\&cb)	2964	=item $client->async (\&cb)
1944		2965
1945	Create a new coroutine, running the specified callback. The coroutine will	2966	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986	our $safe = new Safe "safe";	3007	our $safe = new Safe "safe";
1987	our $safe_hole = new Safe::Hole;	3008	our $safe_hole = new Safe::Hole;
1988		3009
1989	$SIG{FPE} = 'IGNORE';	3010	$SIG{FPE} = 'IGNORE';
1990		3011
1991	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3012	$safe->permit_only (Opcode::opset qw(
		3013	:base_core :base_mem :base_orig :base_math
		3014	grepstart grepwhile mapstart mapwhile
		3015	sort time
		3016	));
1992		3017
1993	# here we export the classes and methods available to script code	3018	# here we export the classes and methods available to script code
1994		3019
1995	=pod	3020	=pod
1996		3021
1997	The following fucntions and emthods are available within a safe environment:	3022	The following functions and methods are available within a safe environment:
1998		3023
1999	cf::object contr pay_amount pay_player map	3024	cf::object
		3025	contr pay_amount pay_player map x y force_find force_add destroy
		3026	insert remove name archname title slaying race decrease_ob_nr
		3027
2000	cf::object::player player	3028	cf::object::player
2001	cf::player peaceful	3029	player
2002	cf::map trigger	3030
		3031	cf::player
		3032	peaceful
		3033
		3034	cf::map
		3035	trigger
2003		3036
2004	=cut	3037	=cut
2005		3038
2006	for (	3039	for (
2007	["cf::object" => qw(contr pay_amount pay_player map)],	3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3041	insert remove inv name archname title slaying race
		3042	decrease_ob_nr destroy)],
2008	["cf::object::player" => qw(player)],	3043	["cf::object::player" => qw(player)],
2009	["cf::player" => qw(peaceful)],	3044	["cf::player" => qw(peaceful)],
2010	["cf::map" => qw(trigger)],	3045	["cf::map" => qw(trigger)],
2011	) {	3046	) {
2012	no strict 'refs';	3047	no strict 'refs';
…		…
2083	=back	3118	=back
2084		3119
2085	=cut	3120	=cut
2086		3121
2087	#############################################################################	3122	#############################################################################
		3123	# the server's init and main functions
2088		3124
2089	=head2 EXTENSION DATABASE SUPPORT	3125	sub load_facedata($) {
		3126	my ($path) = @_;
2090		3127
2091	Crossfire maintains a very simple database for extension use. It can	3128	# HACK to clear player env face cache, we need some signal framework
2092	currently store anything that can be serialised using Storable, which	3129	# for this (global event?)
2093	excludes objects.	3130	%ext::player_env::MUSIC_FACE_CACHE = ();
2094		3131
2095	The parameter C<$family> should best start with the name of the extension	3132	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2096	using it, it should be unique.
2097		3133
2098	=over 4	3134	warn "loading facedata from $path\n";
2099		3135
2100	=item $hashref = cf::db_get $family	3136	my $facedata;
		3137	0 < aio_load $path, $facedata
		3138	or die "$path: $!";
2101		3139
2102	Return a hashref for use by the extension C<$family>, which can be	3140	$facedata = Coro::Storable::thaw $facedata;
2103	modified. After modifications, you have to call C<cf::db_dirty> or
2104	C<cf::db_sync>.
2105		3141
2106	=item $value = cf::db_get $family => $key	3142	$facedata->{version} == 2
		3143	or cf::cleanup "$path: version mismatch, cannot proceed.";
2107		3144
2108	Returns a single value from the database	3145	# patch in the exptable
2109		3146	$facedata->{resource}{"res/exp_table"} = {
2110	=item cf::db_put $family => $hashref	3147	type => FT_RSRC,
2111		3148	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2112	Stores the given family hashref into the database. Updates are delayed, if
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115	=item cf::db_put $family => $key => $value
2116
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127
2128	=cut
2129
2130	our $DB;
2131
2132	{
2133	my $path = cf::localdir . "/database.pst";
2134
2135	sub db_load() {
2136	$DB = stat $path ? Storable::retrieve $path : { };
2137	}
2138
2139	my $pid;
2140
2141	sub db_save() {
2142	waitpid $pid, 0 if $pid;
2143	if (0 == ($pid = fork)) {
2144	$DB->{_meta}{version} = 1;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}
2149	}
2150
2151	my $dirty;
2152
2153	sub db_sync() {
2154	db_save if $dirty;
2155	undef $dirty;
2156	}
2157
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159	db_sync;
2160	});	3149	};
		3150	cf::cede_to_tick;
2161		3151
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}	3152	{
		3153	my $faces = $facedata->{faceinfo};
2166		3154
2167	sub db_get($;$) {	3155	while (my ($face, $info) = each %$faces) {
2168	@_ >= 2	3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2169	? $DB->{$_[0]}{$_[1]}
2170	: ($DB->{$_[0]} ||= { })
2171	}
2172		3157
2173	sub db_put($$;$) {	3158	cf::face::set_visibility $idx, $info->{visibility};
2174	if (@_ >= 3) {	3159	cf::face::set_magicmap $idx, $info->{magicmap};
2175	$DB->{$_[0]}{$_[1]} = $_[2];	3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2176	} else {	3161	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181		3162
2182	cf::global->attach (	3163	cf::cede_to_tick;
2183	prio => 10000,
2184	on_cleanup => sub {
2185	db_sync;
2186	},	3164	}
2187	);
2188	}
2189		3165
2190	#############################################################################	3166	while (my ($face, $info) = each %$faces) {
2191	# the server's main()	3167	next unless $info->{smooth};
2192		3168
2193	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 {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	3311	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	3312	or return;
2196		3313
2197	local $/;	3314	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	3315	*CFG = YAML::Load <$fh>;
2199		3316
2200	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2201		3318
2202	$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};
2203	$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};
…		…
2213		3330
2214	sub main {	3331	sub main {
2215	# we must not ever block the main coroutine	3332	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	3333	local $Coro::idle = sub {
2217	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#
2218	async { Event::one_event };	3335	(async {
		3336	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3337	EV::loop EV::LOOP_ONESHOT;
		3338	})->prio (Coro::PRIO_MAX);
2219	};	3339	};
2220		3340
2221	cfg_load;	3341	reload_config;
2222	db_load;	3342	db_init;
2223	load_extensions;	3343	load_extensions;
		3344
		3345	$TICK_WATCHER->start;
		3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2224	Event::loop;	3347	EV::loop;
2225	}	3348	}
2226		3349
2227	#############################################################################	3350	#############################################################################
2228	# initialisation and cleanup	3351	# initialisation and cleanup
2229		3352
2230	# install some emergency cleanup handlers	3353	# install some emergency cleanup handlers
2231	BEGIN {	3354	BEGIN {
		3355	our %SIGWATCHER = ();
2232	for my $signal (qw(INT HUP TERM)) {	3356	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	3357	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2234	data => WF_AUTOCANCEL,
2235	signal => $signal,
2236	cb => sub {
2237	cf::cleanup "SIG$signal";	3358	cf::cleanup "SIG$signal";
2238	},
2239	);	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
2240	}	3398	1
2241	}	3399	}
2242		3400
2243	sub emergency_save() {	3401	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	3402	my $freeze_guard = cf::freeze_mainloop;
2245		3403
…		…
2251	# and maps saved/destroyed asynchronously.	3409	# and maps saved/destroyed asynchronously.
2252	warn "begin emergency player save\n";	3410	warn "begin emergency player save\n";
2253	for my $login (keys %cf::PLAYER) {	3411	for my $login (keys %cf::PLAYER) {
2254	my $pl = $cf::PLAYER{$login} or next;	3412	my $pl = $cf::PLAYER{$login} or next;
2255	$pl->valid or next;	3413	$pl->valid or next;
		3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2256	$pl->save;	3415	$pl->save;
2257	}	3416	}
2258	warn "end emergency player save\n";	3417	warn "end emergency player save\n";
2259		3418
2260	warn "begin emergency map save\n";	3419	warn "begin emergency map save\n";
…		…
2262	my $map = $cf::MAP{$path} or next;	3421	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	3422	$map->valid or next;
2264	$map->save;	3423	$map->save;
2265	}	3424	}
2266	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";
2267	};	3430	};
2268		3431
2269	warn "leave emergency perl save\n";	3432	warn "leave emergency perl save\n";
2270	}	3433	}
2271		3434
		3435	sub post_cleanup {
		3436	my ($make_core) = @_;
		3437
		3438	warn Carp::longmess "post_cleanup backtrace"
		3439	if $make_core;
		3440	}
		3441
2272	sub reload() {	3442	sub do_reload_perl() {
2273	# can/must only be called in main	3443	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	3444	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	3445	warn "can only reload from main coroutine";
2276	return;	3446	return;
2277	}	3447	}
2278		3448
2279	warn "reloading...";	3449	warn "reloading...";
2280		3450
2281	warn "freezing server";	3451	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	3452
		3453	cf::sync_job {
		3454	cf::write_runtime; # external watchdog should not bark
2283	cf::emergency_save;	3455	cf::emergency_save;
		3456	cf::write_runtime; # external watchdog should not bark
2284		3457
2285	warn "sync database to disk";	3458	warn "syncing database to disk";
2286	cf::db_sync;	3459	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		3460
2289	eval {
2290	# 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
2291		3462
2292	warn "cancel all watchers";	3463	warn "flushing outstanding aio requests";
2293	for (Event::all_watchers) {	3464	for (;;) {
2294	$_->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...";
2295	}	3470	}
2296		3471
		3472	++$RELOAD;
		3473
2297	warn "cancel all extension coros";	3474	warn "cancelling all extension coros";
2298	$_->cancel for values %EXT_CORO;	3475	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();	3476	%EXT_CORO = ();
2300		3477
2301	warn "remove commands";	3478	warn "removing commands";
2302	%COMMAND = ();	3479	%COMMAND = ();
2303		3480
2304	warn "remove ext commands";	3481	warn "removing ext/exti commands";
2305	%EXTCMD = ();	3482	%EXTCMD = ();
		3483	%EXTICMD = ();
2306		3484
2307	warn "unload/nuke all extensions";	3485	warn "unloading/nuking all extensions";
2308	for my $pkg (@EXTS) {	3486	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";	3487	warn "... unloading $pkg";
2310		3488
2311	if (my $cb = $pkg->can ("unload")) {	3489	if (my $cb = $pkg->can ("unload")) {
2312	eval {	3490	eval {
…		…
2317		3495
2318	warn "... nuking $pkg";	3496	warn "... nuking $pkg";
2319	Symbol::delete_package $pkg;	3497	Symbol::delete_package $pkg;
2320	}	3498	}
2321		3499
2322	warn "unload all perl modules loaded from $LIBDIR";	3500	warn "unloading all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {	3501	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3502	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325		3503
2326	warn "removing <$k>";	3504	warn "... unloading $k";
2327	delete $INC{$k};	3505	delete $INC{$k};
2328		3506
2329	$k =~ s/\.pm$//;	3507	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;	3508	$k =~ s/\//::/g;
2331		3509
…		…
2334	}	3512	}
2335		3513
2336	Symbol::delete_package $k;	3514	Symbol::delete_package $k;
2337	}	3515	}
2338		3516
2339	warn "get rid of safe::, as good as possible";	3517	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	3518	Symbol::delete_package "safe::$_"
2341	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);
2342		3520
2343	warn "unload cf.pm \"a bit\"";	3521	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	3522	delete $INC{"cf.pm"};
		3523	delete $INC{"cf/pod.pm"};
2345		3524
2346	# don't, removes xs symbols, too,	3525	# don't, removes xs symbols, too,
2347	# and global variables created in xs	3526	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	3527	#Symbol::delete_package __PACKAGE__;
2349		3528
		3529	warn "unload completed, starting to reload now";
		3530
2350	warn "reloading cf.pm";	3531	warn "reloading cf.pm";
2351	require cf;	3532	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		3534
2354	warn "load config and database again";	3535	warn "loading config and database again";
2355	cf::cfg_load;	3536	cf::reload_config;
2356	cf::db_load;
2357		3537
2358	warn "load extensions";	3538	warn "loading extensions";
2359	cf::load_extensions;	3539	cf::load_extensions;
2360		3540
2361	warn "reattach attachments to objects/players";	3541	warn "reattaching attachments to objects/players";
2362	_global_reattach;	3542	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	3543	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	3544	reattach $_ for values %MAP;
2365	};	3545	warn "reattaching attachments to players";
		3546	reattach $_ for values %PLAYER;
2366		3547
2367	if ($@) {	3548	warn "leaving sync_job";
		3549
		3550	1
		3551	} or do {
2368	warn $@;	3552	warn $@;
2369	warn "error while reloading, exiting.";	3553	warn "error while reloading, exiting.";
2370	exit 1;	3554	exit 1;
2371	}	3555	};
2372		3556
2373	warn "reloaded";	3557	warn "reloaded";
2374	};	3558	};
2375		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
2376	register_command "reload" => sub {	3572	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	3573	my ($who, $arg) = @_;
2378		3574
2379	if ($who->flag (FLAG_WIZ)) {	3575	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	3576	$who->message ("reloading server.");
		3577	async {
		3578	$Coro::current->{desc} = "perl_reload";
		3579	reload_perl;
		3580	};
2383	}	3581	}
2384	};	3582	};
2385		3583
2386	unshift @INC, $LIBDIR;	3584	unshift @INC, $LIBDIR;
2387		3585
2388	$TICK_WATCHER = Event->timer (	3586	my $bug_warning = 0;
2389	reentrant => 0,
2390	prio => 0,
2391	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,
2393	cb => sub {
2394	$NOW = Event::time;
2395		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
2396	cf::server_tick; # one server iteration	3618	cf::server_tick; # one server iteration
		3619
2397	$RUNTIME += $TICK;	3620	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;	3621	$NEXT_TICK = $_[0]->at;
2399		3622
2400	$WAIT_FOR_TICK->broadcast;	3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2402		3625	Coro::async_pool {
2403	# if we are delayed by four ticks or more, skip them all	3626	$Coro::current->{desc} = "runtime saver";
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2405
2406	$TICK_WATCHER->at ($NEXT_TICK);
2407	$TICK_WATCHER->start;
2408	},
2409	);
2410
2411	IO::AIO::max_poll_time $TICK * 0.2;
2412
2413	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,
2423	after => 0,
2424	interval => 10,
2425	cb => sub {
2426	(Coro::unblock_sub {
2427	write_runtime	3627	write_runtime
2428	or warn "ERROR: unable to write runtime file: $!";	3628	or warn "ERROR: unable to write runtime file: $!";
2429	})->();	3629	};
2430	},	3630	}
2431	);	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;
2432		3737
2433	END { cf::emergency_save }	3738	END { cf::emergency_save }
2434		3739
2435	1	3740	1
2436		3741

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