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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.251 by root, Wed Apr 18 14:45:13 2007 UTC vs.
Revision 1.411 by root, Fri Feb 1 15:54:07 2008 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;	9	use EV 1.86;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
24		26
		27	use JSON::XS 2.01 ();
25	use BDB ();	28	use BDB ();
26	use Data::Dumper;	29	use Data::Dumper;
27	use Digest::MD5;	30	use Digest::MD5;
28	use Fcntl;	31	use Fcntl;
29	use YAML::Syck ();	32	use YAML ();
30	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
31	use Time::HiRes;	34	use Time::HiRes;
32	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
33		37
34	# configure various modules to our taste	38	# configure various modules to our taste
35	#	39	#
36	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		43
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		45
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		47
49	our %COMMAND = ();	48	our %COMMAND = ();
50	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
51		50
52	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
56		56
57	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
58	our @EVENT;	58	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	59
		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;
60		72
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;	74	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	77	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
68		79
69	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	84	our $DB_ENV;
71		85
72	our %CFG;	86	our %CFG;
73		87
74	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
76		91
77	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		95
83	# 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 ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		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 $tick_start; # for load detecting purposes
		102
86	binmode STDOUT;	103	binmode STDOUT;
87	binmode STDERR;	104	binmode STDERR;
88		105
89	# read virtual server time, if available	106	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
92	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
93	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
94	}	111	}
95		112
96	mkdir cf::localdir;	113	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir cf::localdir . "/" . cf::tmpdir;
99	mkdir cf::localdir . "/" . cf::uniquedir;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		115
103	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
104		117
105	sub cf::map::normalise;	118	sub cf::map::normalise;
106		119
…		…
117	=item $cf::RUNTIME	130	=item $cf::RUNTIME
118		131
119	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
120	every server tick.	133	every server tick.
121		134
122	=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
123		138
124	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
125	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.
126		143
127	=item $cf::NOW	144	=item $cf::NOW
128		145
129	The time of the last (current) server tick.	146	The time of the last (current) server tick.
130		147
131	=item $cf::TICK	148	=item $cf::TICK
132		149
133	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
134		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
135	=item %cf::CFG	162	=item %cf::CFG
136		163
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	165	from wherever your confdir points to.
139		166
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		168
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	170	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		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.
		178
146	=back	179	=back
147		180
148	=cut	181	=cut
149		182
150	BEGIN {	183	BEGIN {
…		…
152	my $msg = join "", @_;	185	my $msg = join "", @_;
153		186
154	$msg .= "\n"	187	$msg .= "\n"
155	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
156		189
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		191
159	utf8::encode $msg;
160	LOG llevError, $msg;	192	LOG llevError, $msg;
161	};	193	};
162	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	return unless $^S eq 0; # "eq", not "=="
		198
		199	if ($Coro::current == $Coro::main) {#d#
		200	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		201	return;#d#
		202	}#d#
		203
		204	# kill coroutine otherwise
		205	warn Carp::longmess $_[0];
		206	Coro::terminate
		207	};
		208
		209	$SIG{__DIE__} = sub { }; #d#?
163		210
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	215	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		216	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	217	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		218
171	# we bless all objects into (empty) derived classes to force a method lookup	219	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	220	# within the Safe compartment.
173	for my $pkg (qw(	221	for my $pkg (qw(
174	cf::global cf::attachable	222	cf::global cf::attachable
…		…
179	)) {	227	)) {
180	no strict 'refs';	228	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	230	}
183		231
184	$Event::DIED = sub {	232	$EV::DIED = sub {
185	warn "error in event callback: @_";	233	warn "error in event callback: @_";
186	};	234	};
		235
		236	#############################################################################
187		237
188	=head2 UTILITY FUNCTIONS	238	=head2 UTILITY FUNCTIONS
189		239
190	=over 4	240	=over 4
191		241
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	260	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	261	$d
212	} || "[unable to dump $_[0]: '$@']";	262	} || "[unable to dump $_[0]: '$@']";
213	}	263	}
214		264
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	265	=item $ref = cf::decode_json $json
218		266
219	Converts a JSON string into the corresponding perl data structure.	267	Converts a JSON string into the corresponding perl data structure.
220		268
221	=item $json = cf::to_json $ref	269	=item $json = cf::encode_json $ref
222		270
223	Converts a perl data structure into its JSON representation.	271	Converts a perl data structure into its JSON representation.
		272
		273	=cut
		274
		275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		276
		277	sub encode_json($) { $json_coder->encode ($_[0]) }
		278	sub decode_json($) { $json_coder->decode ($_[0]) }
224		279
225	=item cf::lock_wait $string	280	=item cf::lock_wait $string
226		281
227	Wait until the given lock is available. See cf::lock_acquire.	282	Wait until the given lock is available. See cf::lock_acquire.
228		283
…		…
231	Wait until the given lock is available and then acquires it and returns	286	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	287	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	288	for example when the coroutine gets canceled), the lock is automatically
234	returned.	289	returned.
235		290
		291	Locks are *not* recursive, locking from the same coro twice results in a
		292	deadlocked coro.
		293
236	Lock names should begin with a unique identifier (for example, cf::map::find	294	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	295	uses map_find and cf::map::load uses map_load).
238		296
		297	=item $locked = cf::lock_active $string
		298
		299	Return true if the lock is currently active, i.e. somebody has locked it.
		300
239	=cut	301	=cut
240		302
241	our %LOCK;	303	our %LOCK;
		304	our %LOCKER;#d#
242		305
243	sub lock_wait($) {	306	sub lock_wait($) {
244	my ($key) = @_;	307	my ($key) = @_;
		308
		309	if ($LOCKER{$key} == $Coro::current) {#d#
		310	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		311	return;#d#
		312	}#d#
245		313
246	# wait for lock, if any	314	# wait for lock, if any
247	while ($LOCK{$key}) {	315	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	316	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	317	Coro::schedule;
…		…
255		323
256	# wait, to be sure we are not locked	324	# wait, to be sure we are not locked
257	lock_wait $key;	325	lock_wait $key;
258		326
259	$LOCK{$key} = [];	327	$LOCK{$key} = [];
		328	$LOCKER{$key} = $Coro::current;#d#
260		329
261	Coro::guard {	330	Coro::guard {
		331	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	332	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	333	$_->ready for @{ delete $LOCK{$key} };
264	}	334	}
		335	}
		336
		337	sub lock_active($) {
		338	my ($key) = @_;
		339
		340	! ! $LOCK{$key}
265	}	341	}
266		342
267	sub freeze_mainloop {	343	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	344	return unless $TICK_WATCHER->is_active;
269		345
…		…
272	};	348	};
273	$TICK_WATCHER->stop;	349	$TICK_WATCHER->stop;
274	$guard	350	$guard
275	}	351	}
276		352
		353	=item cf::periodic $interval, $cb
		354
		355	Like EV::periodic, but randomly selects a starting point so that the actions
		356	get spread over timer.
		357
		358	=cut
		359
		360	sub periodic($$) {
		361	my ($interval, $cb) = @_;
		362
		363	my $start = rand List::Util::min 180, $interval;
		364
		365	EV::periodic $start, $interval, 0, $cb
		366	}
		367
		368	=item cf::get_slot $time[, $priority[, $name]]
		369
		370	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		371	This call blocks and returns only when you have at least C<$time> seconds
		372	of cpu time till the next tick. The slot is only valid till the next cede.
		373
		374	The optional C<$name> can be used to identify the job to run. It might be
		375	used for statistical purposes and should identify the same time-class.
		376
		377	Useful for short background jobs.
		378
		379	=cut
		380
		381	our @SLOT_QUEUE;
		382	our $SLOT_QUEUE;
		383
		384	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		385	$SLOT_QUEUE = Coro::async {
		386	$Coro::current->desc ("timeslot manager");
		387
		388	my $signal = new Coro::Signal;
		389
		390	while () {
		391	next_job:
		392	my $avail = cf::till_tick;
		393	if ($avail > 0.01) {
		394	for (0 .. $#SLOT_QUEUE) {
		395	if ($SLOT_QUEUE[$_][0] < $avail) {
		396	my $job = splice @SLOT_QUEUE, $_, 1, ();
		397	$job->[2]->send;
		398	Coro::cede;
		399	goto next_job;
		400	}
		401	}
		402	}
		403
		404	if (@SLOT_QUEUE) {
		405	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		406	push @cf::WAIT_FOR_TICK, $signal;
		407	$signal->wait;
		408	} else {
		409	Coro::schedule;
		410	}
		411	}
		412	};
		413
		414	sub get_slot($;$$) {
		415	my ($time, $pri, $name) = @_;
		416
		417	$time = $TICK * .6 if $time > $TICK * .6;
		418	my $sig = new Coro::Signal;
		419
		420	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		421	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		422	$SLOT_QUEUE->ready;
		423	$sig->wait;
		424	}
		425
277	=item cf::async { BLOCK }	426	=item cf::async { BLOCK }
278		427
279	Currently the same as Coro::async_pool, meaning you cannot use	428	Currently the same as Coro::async_pool, meaning you cannot use
280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	429	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
281	thing you are allowed to do is call C<prio> on it.	430	thing you are allowed to do is call C<prio> on it.
…		…
284		433
285	BEGIN { *async = \&Coro::async_pool }	434	BEGIN { *async = \&Coro::async_pool }
286		435
287	=item cf::sync_job { BLOCK }	436	=item cf::sync_job { BLOCK }
288		437
289	The design of crossfire+ requires that the main coro ($Coro::main) is	438	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	439	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	440	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		441	acceptable.
292		442
293	If it must be done, put the blocking parts into C<sync_job>. This will run	443	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	444	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	445	server will be frozen during this time, so the block should either finish
296	fast or be very important.	446	fast or be very important.
…		…
299		449
300	sub sync_job(&) {	450	sub sync_job(&) {
301	my ($job) = @_;	451	my ($job) = @_;
302		452
303	if ($Coro::current == $Coro::main) {	453	if ($Coro::current == $Coro::main) {
		454	my $time = EV::time;
		455
304	# this is the main coro, too bad, we have to block	456	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	457	# till the operation succeeds, freezing the server :/
306		458
		459	LOG llevError, Carp::longmess "sync job";#d#
		460
307	# TODO: use suspend/resume instead	461	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	462	# (but this is cancel-safe)
309	my $freeze_guard = freeze_mainloop;	463	my $freeze_guard = freeze_mainloop;
310		464
311	my $busy = 1;	465	my $busy = 1;
312	my @res;	466	my @res;
313		467
314	(async {	468	(async {
		469	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	470	@res = eval { $job->() };
316	warn $@ if $@;	471	warn $@ if $@;
317	undef $busy;	472	undef $busy;
318	})->prio (Coro::PRIO_MAX);	473	})->prio (Coro::PRIO_MAX);
319		474
320	while ($busy) {	475	while ($busy) {
321	Coro::cede or Event::one_event;	476	if (Coro::nready) {
		477	Coro::cede_notself;
		478	} else {
		479	EV::loop EV::LOOP_ONESHOT;
322	}	480	}
		481	}
		482
		483	$time = EV::time - $time;
		484
		485	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		486	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		487
		488	$tick_start += $time; # do not account sync jobs to server load
323		489
324	wantarray ? @res : $res[0]	490	wantarray ? @res : $res[0]
325	} else {	491	} else {
326	# we are in another coroutine, how wonderful, everything just works	492	# we are in another coroutine, how wonderful, everything just works
327		493
…		…
347	$EXT_CORO{$coro+0} = $coro;	513	$EXT_CORO{$coro+0} = $coro;
348		514
349	$coro	515	$coro
350	}	516	}
351		517
352	sub write_runtime {	518	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		519
355	my $runtime = cf::localdir . "/runtime";	520	Executes the given code block with the given arguments in a seperate
		521	process, returning the results. Everything must be serialisable with
		522	Coro::Storable. May, of course, block. Note that the executed sub may
		523	never block itself or use any form of event handling.
356		524
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	525	=cut
358	or return;
359		526
360	my $value = $cf::RUNTIME + 90 + 10;	527	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	528	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		529
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	530	# we seemingly have to make a local copy of the whole thing,
365	and return;	531	# otherwise perl prematurely frees the stuff :/
		532	# TODO: investigate and fix (likely this will be rather laborious)
366		533
367	# always fsync - this file is important	534	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	535	reset_signals;
369	and return;	536	&$cb
		537	}, @args;
370		538
371	close $fh	539	wantarray ? @res : $res[-1]
372	or return;	540	}
373		541
374	aio_rename "$runtime~", $runtime	542	=item $value = cf::db_get $family => $key
375	and return;
376		543
		544	Returns a single value from the environment database.
		545
		546	=item cf::db_put $family => $key => $value
		547
		548	Stores the given C<$value> in the family. It can currently store binary
		549	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		550
		551	=item $db = cf::db_table "name"
		552
		553	Create and/or open a new database table. The string must not be "db" and must be unique
		554	within each server.
		555
		556	=cut
		557
		558	sub db_table($) {
		559	my ($name) = @_;
		560	my $db = BDB::db_create $DB_ENV;
		561
		562	eval {
		563	$db->set_flags (BDB::CHKSUM);
		564
		565	utf8::encode $name;
		566	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		567	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		568	cf::cleanup "db_open(db): $!" if $!;
		569	};
		570	cf::cleanup "db_open(db): $@" if $@;
		571
		572	$db
		573	}
		574
		575	our $DB;
		576
		577	sub db_init {
		578	cf::sync_job {
		579	$DB ||= db_table "db";
		580	};
		581	}
		582
		583	sub db_get($$) {
		584	my $key = "$_[0]/$_[1]";
		585
		586	cf::sync_job {
		587	BDB::db_get $DB, undef, $key, my $data;
		588
		589	$! ? ()
		590	: $data
377	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		595	BDB::dbreq_pri 4;
		596	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		597	}
		598
		599	=item cf::cache $id => [$paths...], $processversion => $process
		600
		601	Generic caching function that returns the value of the resource $id,
		602	caching and regenerating as required.
		603
		604	This function can block.
		605
		606	=cut
		607
		608	sub cache {
		609	my ($id, $src, $processversion, $process) = @_;
		610
		611	my $meta =
		612	join "\x00",
		613	$processversion,
		614	map {
		615	aio_stat $_
		616	and Carp::croak "$_: $!";
		617
		618	($_, (stat _)[7,9])
		619	} @$src;
		620
		621	my $dbmeta = db_get cache => "$id/meta";
		622	if ($dbmeta ne $meta) {
		623	# changed, we may need to process
		624
		625	my @data;
		626	my $md5;
		627
		628	for (0 .. $#$src) {
		629	0 <= aio_load $src->[$_], $data[$_]
		630	or Carp::croak "$src->[$_]: $!";
		631	}
		632
		633	# if processing is expensive, check
		634	# checksum first
		635	if (1) {
		636	$md5 =
		637	join "\x00",
		638	$processversion,
		639	map {
		640	cf::cede_to_tick;
		641	($src->[$_], Digest::MD5::md5_hex $data[$_])
		642	} 0.. $#$src;
		643
		644
		645	my $dbmd5 = db_get cache => "$id/md5";
		646	if ($dbmd5 eq $md5) {
		647	db_put cache => "$id/meta", $meta;
		648
		649	return db_get cache => "$id/data";
		650	}
		651	}
		652
		653	my $t1 = Time::HiRes::time;
		654	my $data = $process->(\@data);
		655	my $t2 = Time::HiRes::time;
		656
		657	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		658
		659	db_put cache => "$id/data", $data;
		660	db_put cache => "$id/md5" , $md5;
		661	db_put cache => "$id/meta", $meta;
		662
		663	return $data;
		664	}
		665
		666	db_get cache => "$id/data"
378	}	667	}
379		668
380	=item cf::datalog type => key => value, ...	669	=item cf::datalog type => key => value, ...
381		670
382	Log a datalog packet of the given type with the given key-value pairs.	671	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	attach callbacks/event handlers (a collection of which is called an "attachment")	689	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
402		691
403	In the following description, CLASS can be any of C<global>, C<object>	692	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	693	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	694	Deliantra).
406		695
407	=over 4	696	=over 4
408		697
409	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
410		699
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	862	$registry = $CB_TYPE[$object_type] ||= [];
574		863
575	} elsif ($type eq "subtype") {	864	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	865	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	866	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	867	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		868
580	} elsif ($type eq "package") {	869	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	870	my $pkg = shift @arg;
582		871
583	while (my ($name, $id) = each %cb_id) {	872	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
613	}	902	}
614		903
615	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
616	} else {	905	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	907	}
619		908
620	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
621	}	910	}
622		911
…		…
624	if (ref $_[0]) {	913	if (ref $_[0]) {
625	_object_attach @_;	914	_object_attach @_;
626	} else {	915	} else {
627	_attach shift->_attach_registry, @_;	916	_attach shift->_attach_registry, @_;
628	}	917	}
		918	_recalc_want;
629	};	919	};
630		920
631	# all those should be optimised	921	# all those should be optimised
632	sub cf::attachable::detach {	922	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	926	delete $obj->{_attachment}{$name};
637	reattach ($obj);	927	reattach ($obj);
638	} else {	928	} else {
639	Carp::croak "cannot, currently, detach class attachments";	929	Carp::croak "cannot, currently, detach class attachments";
640	}	930	}
		931	_recalc_want;
641	};	932	};
642		933
643	sub cf::attachable::attached {	934	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
645		936
…		…
660	";	951	";
661	die if $@;	952	die if $@;
662	}	953	}
663		954
664	our $override;	955	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	956	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		957
667	sub override {	958	sub override {
668	$override = 1;	959	$override = 1;
669	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
670	}	961	}
671		962
672	sub do_invoke {	963	sub do_invoke {
673	my $event = shift;	964	my $event = shift;
674	my $callbacks = shift;	965	my $callbacks = shift;
675		966
676	@invoke_results = ();	967	@INVOKE_RESULTS = ();
677		968
678	local $override;	969	local $override;
679		970
680	for (@$callbacks) {	971	for (@$callbacks) {
681	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
690	}	981	}
691		982
692	0	983	0
693	}	984	}
694		985
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		987
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		989
699	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
700		991
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	992	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	993	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		995
705	=back	996	=back
706		997
707	=cut	998	=cut
708		999
709	#############################################################################	1000	#############################################################################
710	# object support	1001	# object support
		1002
		1003	sub _object_equal($$);
		1004	sub _object_equal($$) {
		1005	my ($a, $b) = @_;
		1006
		1007	return 0 unless (ref $a) eq (ref $b);
		1008
		1009	if ("HASH" eq ref $a) {
		1010	my @ka = keys %$a;
		1011	my @kb = keys %$b;
		1012
		1013	return 0 if @ka != @kb;
		1014
		1015	for (0 .. $#ka) {
		1016	return 0 unless $ka[$_] eq $kb[$_];
		1017	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1018	}
		1019
		1020	} elsif ("ARRAY" eq ref $a) {
		1021
		1022	return 0 if @$a != @$b;
		1023
		1024	for (0 .. $#$a) {
		1025	return 0 unless _object_equal $a->[$_], $b->[$_];
		1026	}
		1027
		1028	} elsif ($a ne $b) {
		1029	return 0;
		1030	}
		1031
		1032	1
		1033	}
		1034
		1035	our $SLOW_MERGES;#d#
		1036	sub _can_merge {
		1037	my ($ob1, $ob2) = @_;
		1038
		1039	++$SLOW_MERGES;#d#
		1040
		1041	# we do the slow way here
		1042	return _object_equal $ob1, $ob2
		1043	}
711		1044
712	sub reattach {	1045	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1047	my ($obj) = @_;
715		1048
…		…
736	cf::attachable->attach (	1069	cf::attachable->attach (
737	prio => -1000000,	1070	prio => -1000000,
738	on_instantiate => sub {	1071	on_instantiate => sub {
739	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
740		1073
741	$data = from_json $data;	1074	$data = decode_json $data;
742		1075
743	for (@$data) {	1076	for (@$data) {
744	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
745		1078
746	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1095	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
764		1097
765	sync_job {	1098	sync_job {
766	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
769		1103
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1107	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1108	close $fh;
775		1109
776	if (@$objs) {	1110	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1111	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1115	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1116	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
784	}	1118	}
…		…
792	}	1126	}
793	} else {	1127	} else {
794	aio_unlink $filename;	1128	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
796	}	1130	}
797	}	1131	};
798	}	1132	}
799		1133
800	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
802		1136
…		…
814	or return;	1148	or return;
815		1149
816	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
818	or return;	1152	or return;
		1153
819	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
820	}	1156	}
821		1157
		1158	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1160	$decname, length $data, scalar @{$av || []};
		1161
824	return ($data, $av);	1162	($data, $av)
825	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
826		1170
827	#############################################################################	1171	#############################################################################
828	# command handling &c	1172	# command handling &c
829		1173
830	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1188	}
845		1189
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1191
848	Register a callbackf ro execution when the client sends an extcmd packet.	1192	Register a callback for execution when the client sends an (synchronous)
		1193	extcmd packet. Ext commands will be processed in the order they are
		1194	received by the server, like other user commands. The first argument is
		1195	the logged-in player. Ext commands can only be processed after a player
		1196	has logged in successfully.
849		1197
850	If the callback returns something, it is sent back as if reply was being	1198	If the callback returns something, it is sent back as if reply was being
851	called.	1199	called.
852		1200
		1201	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1202
		1203	Register a callback for execution when the client sends an (asynchronous)
		1204	exticmd packet. Exti commands are processed by the server as soon as they
		1205	are received, i.e. out of order w.r.t. other commands. The first argument
		1206	is a client socket. Exti commands can be received anytime, even before
		1207	log-in.
		1208
		1209	If the callback returns something, it is sent back as if reply was being
		1210	called.
		1211
853	=cut	1212	=cut
854		1213
855	sub register_extcmd {	1214	sub register_extcmd {
856	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
857		1216
858	$EXTCMD{$name} = $cb;	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
859	}	1224	}
860		1225
861	cf::player->attach (	1226	cf::player->attach (
862	on_command => sub {	1227	on_command => sub {
863	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1237	cf::override;
873	},	1238	},
874	on_extcmd => sub {	1239	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
876		1241
877	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1243
879	if (ref $msg) {	1244	if (ref $msg) {
		1245	my ($type, $reply, @payload) =
		1246	"ARRAY" eq ref $msg
		1247	? @$msg
		1248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1249
		1250	my @reply;
		1251
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
885	} else {	1259	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1261	}
888		1262
889	cf::override;	1263	cf::override;
890	},	1264	},
891	);	1265	);
892		1266
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
928	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1272	next unless -r $path;
930	eval {	1273
931	load_extension $ext;	1274	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1275	my $base = $1;
		1276	my $pkg = $1;
		1277	$pkg =~ s/[^[:word:]]/_/g;
		1278	$pkg = "ext::$pkg";
		1279
		1280	open my $fh, "<:utf8", $path
		1281	or die "$path: $!";
		1282
		1283	my $source = do { local $/; <$fh> };
		1284
		1285	my %ext = (
		1286	path => $path,
		1287	base => $base,
		1288	pkg => $pkg,
		1289	);
		1290
		1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1293
		1294	$ext{source} =
		1295	"package $pkg; use strict; use utf8;\n"
		1296	. "#line 1 \"$path\"\n{\n"
		1297	. $source
		1298	. "\n};\n1";
		1299
		1300	$todo{$base} = \%ext;
		1301	}
		1302
		1303	my %done;
		1304	while (%todo) {
		1305	my $progress;
		1306
		1307	while (my ($k, $v) = each %todo) {
		1308	for (split /,\s*/, $v->{meta}{depends}) {
		1309	goto skip
		1310	unless exists $done{$_};
		1311	}
		1312
		1313	warn "... loading '$k' into '$v->{pkg}'\n";
		1314
		1315	unless (eval $v->{source}) {
		1316	my $msg = $@ ? "$v->{path}: $@\n"
		1317	: "$v->{base}: extension inactive.\n";
		1318
		1319	if (exists $v->{meta}{mandatory}) {
		1320	warn $msg;
		1321	cf::cleanup "mandatory extension failed to load, exiting.";
		1322	}
		1323
		1324	warn $msg;
		1325	}
		1326
		1327	$done{$k} = delete $todo{$k};
		1328	push @EXTS, $v->{pkg};
		1329	$progress = 1;
932	1	1330	}
933	} or warn "$ext not loaded: $@";	1331
		1332	skip:
		1333	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1334	unless $progress;
		1335	}
934	}	1336	};
935	}	1337	}
936		1338
937	#############################################################################	1339	#############################################################################
938		1340
		1341	=back
		1342
939	=head2 CORE EXTENSIONS	1343	=head2 CORE EXTENSIONS
940		1344
941	Functions and methods that extend core crossfire objects.	1345	Functions and methods that extend core crossfire objects.
942		1346
943	=cut	1347	=cut
…		…
948		1352
949	=head3 cf::player	1353	=head3 cf::player
950		1354
951	=over 4	1355	=over 4
952		1356
		1357	=item cf::player::num_playing
		1358
		1359	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1360
		1361	=cut
		1362
		1363	sub num_playing {
		1364	scalar grep
		1365	$_->ob->map
		1366	&& !$_->hidden
		1367	&& !$_->ob->flag (cf::FLAG_WIZ),
		1368	cf::player::list
		1369	}
		1370
953	=item cf::player::find $login	1371	=item cf::player::find $login
954		1372
955	Returns the given player object, loading it if necessary (might block).	1373	Returns the given player object, loading it if necessary (might block).
956		1374
957	=cut	1375	=cut
958		1376
959	sub playerdir($) {	1377	sub playerdir($) {
960	cf::localdir	1378	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1379	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1380	}
966		1381
967	sub path($) {	1382	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1383	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1410	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1411	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1412	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1413	aio_unlink +(playerdir $login) . "/$login.pl";
999		1414
1000	my $pl = load_pl path $login	1415	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1416	or return;
		1417
		1418	my $pl = cf::player::load_pl $f
		1419	or return;
		1420	local $cf::PLAYER_LOADING{$login} = $pl;
		1421	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1422	$cf::PLAYER{$login} = $pl
1003	}	1423	}
1004	}	1424	}
1005	}	1425	}
1006		1426
…		…
1016		1436
1017	aio_mkdir playerdir $pl, 0770;	1437	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1438	$pl->{last_save} = $cf::RUNTIME;
1019		1439
1020	$pl->save_pl ($path);	1440	$pl->save_pl ($path);
1021	Coro::cede;	1441	cf::cede_to_tick;
1022	}	1442	}
1023		1443
1024	sub new($) {	1444	sub new($) {
1025	my ($login) = @_;	1445	my ($login) = @_;
1026		1446
…		…
1030	$self->{deny_save} = 1;	1450	$self->{deny_save} = 1;
1031		1451
1032	$cf::PLAYER{$login} = $self;	1452	$cf::PLAYER{$login} = $self;
1033		1453
1034	$self	1454	$self
		1455	}
		1456
		1457	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1458
		1459	=cut
		1460
		1461	sub send_msg {
		1462	my $ns = shift->ns
		1463	or return;
		1464	$ns->send_msg (@_);
1035	}	1465	}
1036		1466
1037	=item $pl->quit_character	1467	=item $pl->quit_character
1038		1468
1039	Nukes the player without looking back. If logged in, the connection will	1469	Nukes the player without looking back. If logged in, the connection will
…		…
1088	while and may block, so not sync_job-capable, ever.	1518	while and may block, so not sync_job-capable, ever.
1089		1519
1090	=cut	1520	=cut
1091		1521
1092	sub list_logins {	1522	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1523	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1524	or return [];
1095		1525
1096	my @logins;	1526	my @logins;
1097		1527
1098	for my $login (@$dirs) {	1528	for my $login (@$dirs) {
		1529	my $path = path $login;
		1530
		1531	# a .pst is a dead give-away for a valid player
		1532	unless (-e "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1533	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1534	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1535	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1536	}
1102		1537
1103	utf8::decode $login;	1538	utf8::decode $login;
1104	push @logins, $login;	1539	push @logins, $login;
1105	}	1540	}
1106		1541
…		…
1133	}	1568	}
1134		1569
1135	\@paths	1570	\@paths
1136	}	1571	}
1137		1572
		1573	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1574
		1575	Expand crossfire pod fragments into protocol xml.
		1576
		1577	=cut
		1578
		1579	use re 'eval';
		1580
		1581	my $group;
		1582	my $interior; $interior = qr{
		1583	# match a pod interior sequence sans C<< >>
		1584	(?:
		1585	\ (.*?)\ (?{ $group = $^N })
		1586	| < (??{$interior}) >
		1587	)
		1588	}x;
		1589
		1590	sub expand_cfpod {
		1591	my ($self, $pod) = @_;
		1592
		1593	my $xml;
		1594
		1595	while () {
		1596	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1597	$group = $1;
		1598
		1599	$group =~ s/&/&amp;/g;
		1600	$group =~ s/</&lt;/g;
		1601
		1602	$xml .= $group;
		1603	} elsif ($pod =~ m%\G
		1604	([BCGHITU])
		1605	<
		1606	(?:
		1607	([^<>]*) (?{ $group = $^N })
		1608	| < $interior >
		1609	)
		1610	>
		1611	%gcsx
		1612	) {
		1613	my ($code, $data) = ($1, $group);
		1614
		1615	if ($code eq "B") {
		1616	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1617	} elsif ($code eq "I") {
		1618	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1619	} elsif ($code eq "U") {
		1620	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1621	} elsif ($code eq "C") {
		1622	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1623	} elsif ($code eq "T") {
		1624	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1625	} elsif ($code eq "G") {
		1626	my ($male, $female) = split /\|/, $data;
		1627	$data = $self->gender ? $female : $male;
		1628	$xml .= expand_cfpod ($self, $data);
		1629	} elsif ($code eq "H") {
		1630	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1631	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1632	"")
		1633	[$self->{hintmode}];
		1634	} else {
		1635	$xml .= "error processing '$code($data)' directive";
		1636	}
		1637	} else {
		1638	if ($pod =~ /\G(.+)/) {
		1639	warn "parse error while expanding $pod (at $1)";
		1640	}
		1641	last;
		1642	}
		1643	}
		1644
		1645	for ($xml) {
		1646	# create single paragraphs (very hackish)
		1647	s/(?<=\S)\n(?=\w)/ /g;
		1648
		1649	# compress some whitespace
		1650	s/\s+\n/\n/g; # ws line-ends
		1651	s/\n\n+/\n/g; # double lines
		1652	s/^\n+//; # beginning lines
		1653	s/\n+$//; # ending lines
		1654	}
		1655
		1656	$xml
		1657	}
		1658
		1659	no re 'eval';
		1660
		1661	sub hintmode {
		1662	$_[0]{hintmode} = $_[1] if @_ > 1;
		1663	$_[0]{hintmode}
		1664	}
		1665
1138	=item $player->ext_reply ($msgid, %msg)	1666	=item $player->ext_reply ($msgid, @msg)
1139		1667
1140	Sends an ext reply to the player.	1668	Sends an ext reply to the player.
1141		1669
1142	=cut	1670	=cut
1143		1671
1144	sub ext_reply($$%) {	1672	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1673	my ($self, $id, @msg) = @_;
1146		1674
1147	$msg{msgid} = $id;	1675	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1676	}
1151		1677
1152	=item $player->ext_event ($type, %msg)	1678	=item $player->ext_msg ($type, @msg)
1153		1679
1154	Sends an ext event to the client.	1680	Sends an ext event to the client.
1155		1681
1156	=cut	1682	=cut
1157		1683
1158	sub ext_event($$%) {	1684	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1685	my ($self, $type, @msg) = @_;
1160		1686
1161	$self->ns->ext_event ($type, %msg);	1687	$self->ns->ext_msg ($type, @msg);
1162	}	1688	}
1163		1689
1164	=head3 cf::region	1690	=head3 cf::region
1165		1691
1166	=over 4	1692	=over 4
…		…
1169		1695
1170	package cf::region;	1696	package cf::region;
1171		1697
1172	=item cf::region::find_by_path $path	1698	=item cf::region::find_by_path $path
1173		1699
1174	Tries to decuce the probable region for a map knowing only its path.	1700	Tries to decuce the likely region for a map knowing only its path.
1175		1701
1176	=cut	1702	=cut
1177		1703
1178	sub find_by_path($) {	1704	sub find_by_path($) {
1179	my ($path) = @_;	1705	my ($path) = @_;
1180		1706
1181	my ($match, $specificity);	1707	my ($match, $specificity);
1182		1708
1183	for my $region (list) {	1709	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1710	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1711	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1712	if $region->specificity > $specificity;
1187	}	1713	}
1188	}	1714	}
1189		1715
…		…
1253	my ($self, $merge) = @_;	1779	my ($self, $merge) = @_;
1254		1780
1255	# we have to keep some variables in memory intact	1781	# we have to keep some variables in memory intact
1256	local $self->{path};	1782	local $self->{path};
1257	local $self->{load_path};	1783	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1784
1261	$self->SUPER::thawer_merge ($merge);	1785	$self->SUPER::thawer_merge ($merge);
1262	}	1786	}
1263		1787
1264	sub normalise {	1788	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1835	$self->init; # pass $1 etc.
1312	return $self;	1836	return $self;
1313	}	1837	}
1314	}	1838	}
1315		1839
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1840	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1841	()
1318	}	1842	}
1319		1843
1320	sub init {	1844	sub init {
1321	my ($self) = @_;	1845	my ($self) = @_;
…		…
1336		1860
1337	# the original (read-only) location	1861	# the original (read-only) location
1338	sub load_path {	1862	sub load_path {
1339	my ($self) = @_;	1863	my ($self) = @_;
1340		1864
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1865	"$MAPDIR/$self->{path}.map"
1342	}	1866	}
1343		1867
1344	# the temporary/swap location	1868	# the temporary/swap location
1345	sub save_path {	1869	sub save_path {
1346	my ($self) = @_;	1870	my ($self) = @_;
1347		1871
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1872	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1873	"$TMPDIR/$path.map"
1350	}	1874	}
1351		1875
1352	# the unique path, undef == no special unique path	1876	# the unique path, undef == no special unique path
1353	sub uniq_path {	1877	sub uniq_path {
1354	my ($self) = @_;	1878	my ($self) = @_;
1355		1879
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1881	"$UNIQUEDIR/$path"
1358	}	1882	}
1359		1883
1360	# and all this just because we cannot iterate over	1884	# and all this just because we cannot iterate over
1361	# all maps in C++...	1885	# all maps in C++...
1362	sub change_all_map_light {	1886	sub change_all_map_light {
…		…
1364		1888
1365	$_->change_map_light ($change)	1889	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1890	for grep $_->outdoor, values %cf::MAP;
1367	}	1891	}
1368		1892
		1893	sub decay_objects {
		1894	my ($self) = @_;
		1895
		1896	return if $self->{deny_reset};
		1897
		1898	$self->do_decay_objects;
		1899	}
		1900
1369	sub unlink_save {	1901	sub unlink_save {
1370	my ($self) = @_;	1902	my ($self) = @_;
1371		1903
1372	utf8::encode (my $save = $self->save_path);	1904	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1905	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1908
1377	sub load_header_from($) {	1909	sub load_header_from($) {
1378	my ($self, $path) = @_;	1910	my ($self, $path) = @_;
1379		1911
1380	utf8::encode $path;	1912	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1913	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1914	or return;
		1915
		1916	$self->_load_header ($f)
		1917	or return;
		1918
		1919	local $MAP_LOADING{$self->{path}} = $self;
		1920	$f->resolve_delayed_derefs;
1386		1921
1387	$self->{load_path} = $path;	1922	$self->{load_path} = $path;
1388		1923
1389	1	1924	1
1390	}	1925	}
…		…
1429	$self->load_header_orig	1964	$self->load_header_orig
1430	or return;	1965	or return;
1431	$self->prepare_orig;	1966	$self->prepare_orig;
1432	}	1967	}
1433		1968
		1969	$self->{deny_reset} = 1
		1970	if $self->no_reset;
		1971
1434	$self->default_region (cf::region::find_by_path $self->{path})	1972	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1973	unless $self->default_region;
1436		1974
1437	1	1975	1
1438	}	1976	}
…		…
1441	sub find {	1979	sub find {
1442	my ($path, $origin) = @_;	1980	my ($path, $origin) = @_;
1443		1981
1444	$path = normalise $path, $origin && $origin->path;	1982	$path = normalise $path, $origin && $origin->path;
1445		1983
		1984	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	1985	cf::lock_wait "map_find:$path";
1447		1986
1448	$cf::MAP{$path} || do {	1987	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";	1988	my $guard1 = cf::lock_acquire "map_find:$path";
		1989	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1990
1450	my $map = new_from_path cf::map $path	1991	my $map = new_from_path cf::map $path
1451	or return;	1992	or return;
1452		1993
1453	$map->{last_save} = $cf::RUNTIME;	1994	$map->{last_save} = $cf::RUNTIME;
1454		1995
1455	$map->load_header	1996	$map->load_header
1456	or return;	1997	or return;
1457		1998
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1999	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2000	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2001	#$cf::WAIT_FOR_TICK->wait;
		2002	undef $guard1;
		2003	undef $guard2;
1461	$map->reset;	2004	$map->reset;
1462	undef $guard;
1463	return find $path;	2005	return find $path;
1464	}	2006	}
1465		2007
1466	$cf::MAP{$path} = $map	2008	$cf::MAP{$path} = $map
1467	}	2009	}
…		…
1474	my ($self) = @_;	2016	my ($self) = @_;
1475		2017
1476	local $self->{deny_reset} = 1; # loading can take a long time	2018	local $self->{deny_reset} = 1; # loading can take a long time
1477		2019
1478	my $path = $self->{path};	2020	my $path = $self->{path};
		2021
		2022	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2023	my $guard = cf::lock_acquire "map_data:$path";
1480		2024
		2025	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2026	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2027
1483	$self->in_memory (cf::MAP_LOADING);	2028	$self->in_memory (cf::MAP_LOADING);
1484		2029
1485	$self->alloc;	2030	$self->alloc;
1486		2031
1487	$self->pre_load;	2032	$self->pre_load;
1488	Coro::cede;	2033	cf::cede_to_tick;
1489		2034
1490	$self->_load_objects ($self->{load_path}, 1)	2035	my $f = new_from_file cf::object::thawer $self->{load_path};
		2036	$f->skip_block;
		2037	$self->_load_objects ($f)
1491	or return;	2038	or return;
1492		2039
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2040	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494	if delete $self->{load_original};	2041	if delete $self->{load_original};
1495		2042
1496	if (my $uniq = $self->uniq_path) {	2043	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2044	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2045	unless (aio_stat $uniq) {
		2046	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2047	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2048	$self->_load_objects ($f);
		2049	$f->resolve_delayed_derefs;
		2050	}
1501	}	2051	}
1502	}	2052	}
1503		2053
1504	Coro::cede;	2054	$f->resolve_delayed_derefs;
		2055
		2056	cf::cede_to_tick;
1505	# now do the right thing for maps	2057	# now do the right thing for maps
1506	$self->link_multipart_objects;	2058	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2059	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2060	unless $self->difficulty;
1517	Coro::cede;	2061	cf::cede_to_tick;
		2062
		2063	unless ($self->{deny_activate}) {
		2064	$self->decay_objects;
		2065	$self->fix_auto_apply;
		2066	$self->update_buttons;
		2067	cf::cede_to_tick;
		2068	$self->set_darkness_map;
		2069	cf::cede_to_tick;
1518	$self->activate;	2070	$self->activate;
1519	Coro::cede;	2071	}
		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
		2076	$self->in_memory (cf::MAP_IN_MEMORY);
1520	}	2077	}
1521		2078
1522	$self->post_load;	2079	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2080	}
1527		2081
1528	sub customise_for {	2082	sub customise_for {
1529	my ($self, $ob) = @_;	2083	my ($self, $ob) = @_;
1530		2084
1531	return find "~" . $ob->name . "/" . $self->{path}	2085	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2086	if $self->per_player;
1533		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
1534	$self	2091	$self
1535	}	2092	}
1536		2093
1537	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2095	sub load_neighbours {
1539	my ($map) = @_;	2096	my ($map) = @_;
1540		2097
1541	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1542		2099
1543	for (0 .. 3) {	2100	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1545	or next;	2102	or next;
1546	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1547	or next;	2104	or next;
1548	$neigh->load;	2105	$neigh->load;
1549		2106
		2107	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2110	}
1553		2111
1554	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1556	or next;	2115	or next;
1557	$neigh->load;	2116	$neigh->load;
1558	}	2117	}
1559	}	2118	}
1560		2119
…		…
1565	}	2124	}
1566		2125
1567	sub do_load_sync {	2126	sub do_load_sync {
1568	my ($map) = @_;	2127	my ($map) = @_;
1569		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1570	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1571	}	2133	}
1572		2134
1573	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2136	our $MAP_PREFETCHER = undef;
1575		2137
1576	sub find_async {	2138	sub find_async {
1577	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1578		2140
1579	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1580		2142
1581	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1583	}	2145	}
1584		2146
1585	undef $MAP_PREFETCH{$path};	2147	$MAP_PREFETCH{$path} |= $load;
		2148
1586	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
1587	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2154	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2155	$map->load if $v;
		2156	}
1592		2157
1593	delete $MAP_PREFETCH{$path};	2158	delete $MAP_PREFETCH{$k};
1594	}	2159	}
1595	}	2160	}
1596	undef $MAP_PREFETCHER;	2161	undef $MAP_PREFETCHER;
1597	};	2162	};
1598	$MAP_PREFETCHER->prio (6);	2163	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2166	}
1602		2167
1603	sub save {	2168	sub save {
1604	my ($self) = @_;	2169	my ($self) = @_;
1605		2170
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2172
1608	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1609		2174
1610	return unless $self->dirty;	2175	return unless $self->dirty;
1611		2176
…		…
1617	return if $self->{deny_save};	2182	return if $self->{deny_save};
1618		2183
1619	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1620		2185
1621	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1623	};	2189	};
1624		2190
1625	if ($uniq) {	2191	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2192	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1634	my ($self) = @_;	2200	my ($self) = @_;
1635		2201
1636	# save first because save cedes	2202	# save first because save cedes
1637	$self->save;	2203	$self->save;
1638		2204
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2205	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2206
1641	return if $self->players;	2207	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2208	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};	2209	return if $self->{deny_save};
1644		2210
		2211	$self->in_memory (cf::MAP_SWAPPED);
		2212
		2213	$self->deactivate;
		2214	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2215	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2216	}
1648		2217
1649	sub reset_at {	2218	sub reset_at {
1650	my ($self) = @_;	2219	my ($self) = @_;
1651		2220
1652	# TODO: safety, remove and allow resettable per-player maps	2221	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2222	return 1e99 if $self->{deny_reset};
1655		2223
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2224	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2225	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2226
…		…
1669	my ($self) = @_;	2237	my ($self) = @_;
1670		2238
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2239	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2240
1673	return if $self->players;	2241	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2242
1676	warn "resetting map ", $self->path;#d#	2243	warn "resetting map ", $self->path;
1677		2244
1678	$self->in_memory (cf::MAP_SWAPPED);	2245	$self->in_memory (cf::MAP_SWAPPED);
1679		2246
1680	# need to save uniques path	2247	# need to save uniques path
1681	unless ($self->{deny_save}) {	2248	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2252	if $uniq;
1686	}	2253	}
1687		2254
1688	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1689		2256
		2257	$self->deactivate;
		2258	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2259	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2260
1694	$self->unlink_save;	2261	$self->unlink_save;
1695	$self->destroy;	2262	$self->destroy;
1696	}	2263	}
1697		2264
1698	my $nuke_counter = "aaaa";	2265	my $nuke_counter = "aaaa";
1699		2266
1700	sub nuke {	2267	sub nuke {
1701	my ($self) = @_;	2268	my ($self) = @_;
1702		2269
		2270	{
		2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2272
1703	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1704		2274
1705	$self->unlink_save;	2275	$self->unlink_save;
1706		2276
1707	bless $self, "cf::map";	2277	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2278	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2279	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2280	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2281	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2282
1713	$cf::MAP{$self->path} = $self;	2283	$cf::MAP{$self->path} = $self;
		2284	}
1714		2285
1715	$self->reset; # polite request, might not happen	2286	$self->reset; # polite request, might not happen
		2287	}
		2288
		2289	=item $maps = cf::map::tmp_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	maps. May block.
		2293
		2294	=cut
		2295
		2296	sub tmp_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise $_
		2302	: ()
		2303	} @{ aio_readdir $TMPDIR or [] }
		2304	]
		2305	}
		2306
		2307	=item $maps = cf::map::random_maps
		2308
		2309	Returns an arrayref with all map paths of currently instantiated and saved
		2310	random maps. May block.
		2311
		2312	=cut
		2313
		2314	sub random_maps() {
		2315	[
		2316	map {
		2317	utf8::decode $_;
		2318	/\.map$/
		2319	? normalise "?random/$_"
		2320	: ()
		2321	} @{ aio_readdir $RANDOMDIR or [] }
		2322	]
1716	}	2323	}
1717		2324
1718	=item cf::map::unique_maps	2325	=item cf::map::unique_maps
1719		2326
1720	Returns an arrayref of paths of all shared maps that have	2327	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2328	instantiated unique items. May block.
1722		2329
1723	=cut	2330	=cut
1724		2331
1725	sub unique_maps() {	2332	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2333	[
1727	or return;	2334	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2335	utf8::decode $_;
1733	next if /\.pst$/;	2336	/\.map$/
1734	next unless /^$PATH_SEP/o;	2337	? normalise $_
1735		2338	: ()
1736	push @paths, cf::map::normalise $_;	2339	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2340	]
1738
1739	\@paths
1740	}	2341	}
1741		2342
1742	package cf;	2343	package cf;
1743		2344
1744	=back	2345	=back
…		…
1762	map { $_, inv_recursive_ $_->inv } @_	2363	map { $_, inv_recursive_ $_->inv } @_
1763	}	2364	}
1764		2365
1765	sub inv_recursive {	2366	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2367	inv_recursive_ inv $_[0]
		2368	}
		2369
		2370	=item $ref = $ob->ref
		2371
		2372	creates and returns a persistent reference to an objetc that can be stored as a string.
		2373
		2374	=item $ob = cf::object::deref ($refstring)
		2375
		2376	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2377	even if the object actually exists. May block.
		2378
		2379	=cut
		2380
		2381	sub deref {
		2382	my ($ref) = @_;
		2383
		2384	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2385	my ($uuid, $name) = ($1, $2);
		2386	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2387	or return;
		2388	$pl->ob->uuid eq $uuid
		2389	or return;
		2390
		2391	$pl->ob
		2392	} else {
		2393	warn "$ref: cannot resolve object reference\n";
		2394	undef
		2395	}
1767	}	2396	}
1768		2397
1769	package cf;	2398	package cf;
1770		2399
1771	=back	2400	=back
…		…
1790		2419
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2421
1793	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1795	} else {	2425	} else {
		2426	my $pl = $self->contr;
		2427
		2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2429	my $dialog = $pl->{npc_dialog};
		2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2431
		2432	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2434	$self->message ($msg, $flags);
		2435	}
1798	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
1799	}	2447	}
1800		2448
1801	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1802		2450
1803	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1850	$self->deactivate_recursive;	2498	$self->deactivate_recursive;
1851		2499
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2500	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2501
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2503	if $self->map && $self->map->{path} ne "{link}";
1856		2504
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2505	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2506	}
1859		2507
1860	sub cf::object::player::leave_link {	2508	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2509	my ($self, $map, $x, $y) = @_;
		2510
		2511	return unless $self->contr->active;
1862		2512
1863	my $link_pos = delete $self->{_link_pos};	2513	my $link_pos = delete $self->{_link_pos};
1864		2514
1865	unless ($map) {	2515	unless ($map) {
1866	# restore original map position	2516	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2530	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2531	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2532	if $x <=0 && $y <= 0;
1883		2533
1884	$map->load;	2534	$map->load;
1885	$map->load_diag;	2535	$map->load_neighbours;
1886		2536
1887	return unless $self->contr->active;	2537	return unless $self->contr->active;
1888	$self->activate_recursive;	2538	$self->activate_recursive;
1889		2539
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
1892	}	2542	}
1893		2543
1894	cf::player->attach (	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2545
1898	# abort map switching before logout	2546	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2547	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2549	the new (success) or old (failed) map position. In either case, $done will
1902	};	2550	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2551
1908	# try to abort aborted map switching on player login :)
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925
1926	=item $player_object->goto ($path, $x, $y)
1927
1928	=cut	2552	=cut
		2553
		2554	our $GOTOGEN;
1929		2555
1930	sub cf::object::player::goto {	2556	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2557	my ($self, $path, $x, $y, $check, $done) = @_;
		2558
		2559	# do generation counting so two concurrent goto's will be executed in-order
		2560	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2561
1933	$self->enter_link;	2562	$self->enter_link;
1934		2563
1935	(async {	2564	(async {
		2565	$Coro::current->{desc} = "player::goto $path $x $y";
		2566
		2567	# *tag paths override both path and x|y
		2568	if ($path =~ /^\*(.*)$/) {
		2569	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2570	my $ob = $obs[rand @obs];
		2571
		2572	# see if we actually can go there
		2573	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2574	$ob = $obs[rand @obs];
		2575	} else {
		2576	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2577	}
		2578	# else put us there anyways for now #d#
		2579
		2580	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2581	} else {
		2582	($path, $x, $y) = (undef, undef, undef);
		2583	}
		2584	}
		2585
1936	my $map = eval {	2586	my $map = eval {
1937	my $map = cf::map::find $path;	2587	my $map = defined $path ? cf::map::find $path : undef;
		2588
		2589	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2590	$map = $map->customise_for ($self);
		2591	$map = $check->($map) if $check && $map;
		2592	} else {
		2593	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	}
		2595
1939	$map	2596	$map
		2597	};
		2598
		2599	if ($@) {
		2600	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2601	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2602	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2603
		2604	if ($gen == $self->{_goto_generation}) {
		2605	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2606	$self->leave_link ($map, $x, $y);
		2607	}
		2608
		2609	$done->() if $done;
1944	})->prio (1);	2610	})->prio (1);
1945	}	2611	}
1946		2612
1947	=item $player_object->enter_exit ($exit_object)	2613	=item $player_object->enter_exit ($exit_object)
1948		2614
…		…
1985	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
1986	}	2652	}
1987		2653
1988	$rmp->{random_seed} ||= $exit->random_seed;	2654	$rmp->{random_seed} ||= $exit->random_seed;
1989		2655
1990	my $data = cf::to_json $rmp;	2656	my $data = cf::encode_json $rmp;
1991	my $md5 = Digest::MD5::md5_hex $data;	2657	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2658	my $meta = "$RANDOMDIR/$md5.meta";
1993		2659
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2660	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2661	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2662	undef $fh;
1997	aio_rename "$meta~", $meta;	2663	aio_rename "$meta~", $meta;
…		…
2017	my $hp = $exit->stats->hp;	2683	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;	2684	my $sp = $exit->stats->sp;
2019		2685
2020	$self->enter_link;	2686	$self->enter_link;
2021		2687
		2688	# if exit is damned, update players death & WoR home-position
		2689	$self->contr->savebed ($slaying, $hp, $sp)
		2690	if $exit->flag (FLAG_DAMNED);
		2691
2022	(async {	2692	(async {
		2693	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2694
2023	$self->deactivate_recursive; # just to be sure	2695	$self->deactivate_recursive; # just to be sure
2024	unless (eval {	2696	unless (eval {
2025	$self->goto ($slaying, $hp, $sp);	2697	$self->goto ($slaying, $hp, $sp);
2026		2698
2027	1;	2699	1;
…		…
2053		2725
2054	utf8::encode $text;	2726	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2728	}
2057		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/uptime" => {
		2778	id => "infobox",
		2779	title => "Uptime",
		2780	reply => undef,
		2781	tooltip => "How long the server has been running since last restart",
		2782	},
		2783	"c/mapinfo" => {
		2784	id => "infobox",
		2785	title => "Map Info",
		2786	reply => undef,
		2787	tooltip => "Information related to the maps",
		2788	},
		2789	);
		2790
		2791	sub cf::client::send_msg {
		2792	my ($self, $channel, $msg, $color, @extra) = @_;
		2793
		2794	$msg = $self->pl->expand_cfpod ($msg);
		2795
		2796	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2797
		2798	# check predefined channels, for the benefit of C
		2799	if ($CHANNEL{$channel}) {
		2800	$channel = $CHANNEL{$channel};
		2801
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804
		2805	$channel = $channel->{id};
		2806
		2807	} elsif (ref $channel) {
		2808	# send meta info to client, if not yet sent
		2809	unless (exists $self->{channel}{$channel->{id}}) {
		2810	$self->{channel}{$channel->{id}} = $channel;
		2811	$self->ext_msg (channel_info => $channel)
		2812	if $self->can_msg;
		2813	}
		2814
		2815	$channel = $channel->{id};
		2816	}
		2817
		2818	return unless @extra || length $msg;
		2819
		2820	if ($self->can_msg) {
		2821	# default colour, mask it out
		2822	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2823	if $color & cf::NDI_DEF;
		2824
		2825	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2827	} else {
		2828	if ($color >= 0) {
		2829	# replace some tags by gcfclient-compatible ones
		2830	for ($msg) {
		2831	1 while
		2832	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2833	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2834	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2835	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2836	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2837	}
		2838
		2839	$color &= cf::NDI_COLOR_MASK;
		2840
		2841	utf8::encode $msg;
		2842
		2843	if (0 && $msg =~ /\[/) {
		2844	# COMMAND/INFO
		2845	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2846	} else {
		2847	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2848	$self->send_packet ("drawinfo $color $msg")
		2849	}
		2850	}
		2851	}
		2852	}
		2853
2058	=item $client->ext_event ($type, %msg)	2854	=item $client->ext_msg ($type, @msg)
2059		2855
2060	Sends an exti event to the client.	2856	Sends an ext event to the client.
2061		2857
2062	=cut	2858	=cut
2063		2859
2064	sub cf::client::ext_event($$%) {	2860	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2861	my ($self, $type, @msg) = @_;
2066		2862
		2863	if ($self->extcmd == 2) {
		2864	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2865	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2866	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	2867	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2868	}
		2869	}
		2870
		2871	=item $client->ext_reply ($msgid, @msg)
		2872
		2873	Sends an ext reply to the client.
		2874
		2875	=cut
		2876
		2877	sub cf::client::ext_reply($$@) {
		2878	my ($self, $id, @msg) = @_;
		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2882	} elsif ($self->extcmd == 1) {
		2883	#TODO: version 1, remove
		2884	unshift @msg, msgtype => "reply", msgid => $id;
		2885	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2886	}
2069	}	2887	}
2070		2888
2071	=item $success = $client->query ($flags, "text", \&cb)	2889	=item $success = $client->query ($flags, "text", \&cb)
2072		2890
2073	Queues a query to the client, calling the given callback with	2891	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2892	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2893	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2894
2077	Queries can fail, so check the return code. Or don't, as queries will become	2895	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2896	become reliable at some point in the future.
2079		2897
2080	=cut	2898	=cut
2081		2899
2082	sub cf::client::query {	2900	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2901	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2909	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2910	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2911
2094	$self->send_packet ($self->{query_queue}[0][0])	2912	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2913	if @{ $self->{query_queue} } == 1;
		2914
		2915	1
2096	}	2916	}
2097		2917
2098	cf::client->attach (	2918	cf::client->attach (
		2919	on_connect => sub {
		2920	my ($ns) = @_;
		2921
		2922	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2923	},
2099	on_reply => sub {	2924	on_reply => sub {
2100	my ($ns, $msg) = @_;	2925	my ($ns, $msg) = @_;
2101		2926
2102	# this weird shuffling is so that direct followup queries	2927	# this weird shuffling is so that direct followup queries
2103	# get handled first	2928	# get handled first
…		…
2115	} else {	2940	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2941	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2942	}
2118	}	2943	}
2119	},	2944	},
		2945	on_exticmd => sub {
		2946	my ($ns, $buf) = @_;
		2947
		2948	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2949
		2950	if (ref $msg) {
		2951	my ($type, $reply, @payload) =
		2952	"ARRAY" eq ref $msg
		2953	? @$msg
		2954	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2955
		2956	my @reply;
		2957
		2958	if (my $cb = $EXTICMD{$type}) {
		2959	@reply = $cb->($ns, @payload);
		2960	}
		2961
		2962	$ns->ext_reply ($reply, @reply)
		2963	if $reply;
		2964
		2965	} else {
		2966	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2967	}
		2968
		2969	cf::override;
		2970	},
2120	);	2971	);
2121		2972
2122	=item $client->async (\&cb)	2973	=item $client->async (\&cb)
2123		2974
2124	Create a new coroutine, running the specified callback. The coroutine will	2975	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	3016	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3017	our $safe_hole = new Safe::Hole;
2167		3018
2168	$SIG{FPE} = 'IGNORE';	3019	$SIG{FPE} = 'IGNORE';
2169		3020
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3021	$safe->permit_only (Opcode::opset qw(
		3022	:base_core :base_mem :base_orig :base_math
		3023	grepstart grepwhile mapstart mapwhile
		3024	sort time
		3025	));
2171		3026
2172	# here we export the classes and methods available to script code	3027	# here we export the classes and methods available to script code
2173		3028
2174	=pod	3029	=pod
2175		3030
2176	The following functions and methods are available within a safe environment:	3031	The following functions and methods are available within a safe environment:
2177		3032
2178	cf::object contr pay_amount pay_player map	3033	cf::object
		3034	contr pay_amount pay_player map x y force_find force_add destroy
		3035	insert remove name archname title slaying race decrease_ob_nr
		3036
2179	cf::object::player player	3037	cf::object::player
2180	cf::player peaceful	3038	player
2181	cf::map trigger	3039
		3040	cf::player
		3041	peaceful
		3042
		3043	cf::map
		3044	trigger
2182		3045
2183	=cut	3046	=cut
2184		3047
2185	for (	3048	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3049	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3050	insert remove inv name archname title slaying race
		3051	decrease_ob_nr destroy)],
2187	["cf::object::player" => qw(player)],	3052	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3053	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	3054	["cf::map" => qw(trigger)],
2190	) {	3055	) {
2191	no strict 'refs';	3056	no strict 'refs';
…		…
2262	=back	3127	=back
2263		3128
2264	=cut	3129	=cut
2265		3130
2266	#############################################################################	3131	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434
2435	#############################################################################
2436	# the server's init and main functions	3132	# the server's init and main functions
2437		3133
2438	sub load_facedata($) {	3134	sub load_facedata($) {
2439	my ($path) = @_;	3135	my ($path) = @_;
		3136
		3137	# HACK to clear player env face cache, we need some signal framework
		3138	# for this (global event?)
		3139	%ext::player_env::MUSIC_FACE_CACHE = ();
		3140
		3141	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2440		3142
2441	warn "loading facedata from $path\n";	3143	warn "loading facedata from $path\n";
2442		3144
2443	my $facedata;	3145	my $facedata;
2444	0 < aio_load $path, $facedata	3146	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	3149	$facedata = Coro::Storable::thaw $facedata;
2448		3150
2449	$facedata->{version} == 2	3151	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3152	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		3153
		3154	# patch in the exptable
		3155	$facedata->{resource}{"res/exp_table"} = {
		3156	type => FT_RSRC,
		3157	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3158	};
		3159	cf::cede_to_tick;
		3160
2452	{	3161	{
2453	my $faces = $facedata->{faceinfo};	3162	my $faces = $facedata->{faceinfo};
2454		3163
2455	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3165	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3166
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3167	cf::face::set_visibility $idx, $info->{visibility};
		3168	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3169	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3170	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2460	Coro::cede;	3171
		3172	cf::cede_to_tick;
2461	}	3173	}
2462		3174
2463	while (my ($face, $info) = each %$faces) {	3175	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3176	next unless $info->{smooth};
		3177
2465	my $idx = cf::face::find $face	3178	my $idx = cf::face::find $face
2466	or next;	3179	or next;
		3180
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3181	if (my $smooth = cf::face::find $info->{smooth}) {
		3182	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3183	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3184	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3185	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3186	}
2472	Coro::cede;	3187
		3188	cf::cede_to_tick;
2473	}	3189	}
2474	}	3190	}
2475		3191
2476	{	3192	{
2477	my $anims = $facedata->{animinfo};	3193	my $anims = $facedata->{animinfo};
2478		3194
2479	while (my ($anim, $info) = each %$anims) {	3195	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3196	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3197	cf::cede_to_tick;
2482	}	3198	}
2483		3199
2484	cf::anim::invalidate_all; # d'oh	3200	cf::anim::invalidate_all; # d'oh
2485	}	3201	}
2486		3202
		3203	{
		3204	# TODO: for gcfclient pleasure, we should give resources
		3205	# that gcfclient doesn't grok a >10000 face index.
		3206	my $res = $facedata->{resource};
		3207
		3208	while (my ($name, $info) = each %$res) {
		3209	if (defined $info->{type}) {
		3210	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3211	my $data;
		3212
		3213	if ($info->{type} & 1) {
		3214	# prepend meta info
		3215
		3216	my $meta = $enc->encode ({
		3217	name => $name,
		3218	%{ $info->{meta} || {} },
		3219	});
		3220
		3221	$data = pack "(w/a*)*", $meta, $info->{data};
		3222	} else {
		3223	$data = $info->{data};
		3224	}
		3225
		3226	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3227	cf::face::set_type $idx, $info->{type};
		3228	} else {
		3229	$RESOURCE{$name} = $info;
		3230	}
		3231
		3232	cf::cede_to_tick;
		3233	}
		3234	}
		3235
		3236	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3237
2487	1	3238	1
2488	}	3239	}
2489		3240
		3241	cf::global->attach (on_resource_update => sub {
		3242	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3243	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3244
		3245	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3246	my $sound = $soundconf->{compat}[$_]
		3247	or next;
		3248
		3249	my $face = cf::face::find "sound/$sound->[1]";
		3250	cf::sound::set $sound->[0] => $face;
		3251	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3252	}
		3253
		3254	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3255	my $face = cf::face::find "sound/$v";
		3256	cf::sound::set $k => $face;
		3257	}
		3258	}
		3259	});
		3260
		3261	register_exticmd fx_want => sub {
		3262	my ($ns, $want) = @_;
		3263
		3264	while (my ($k, $v) = each %$want) {
		3265	$ns->fx_want ($k, $v);
		3266	}
		3267	};
		3268
		3269	sub reload_regions {
		3270	# HACK to clear player env face cache, we need some signal framework
		3271	# for this (global event?)
		3272	%ext::player_env::MUSIC_FACE_CACHE = ();
		3273
		3274	load_resource_file "$MAPDIR/regions"
		3275	or die "unable to load regions file\n";
		3276
		3277	for (cf::region::list) {
		3278	$_->{match} = qr/$_->{match}/
		3279	if exists $_->{match};
		3280	}
		3281	}
		3282
2490	sub reload_facedata {	3283	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3284	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3285	or die "unable to load facedata\n";
2493	}	3286	}
2494		3287
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3288	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3289	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3290	or die "unable to load archetypes\n";
		3291	#d# NEED to laod twice to resolve forward references
		3292	# this really needs to be done in an extra post-pass
		3293	# (which needs to be synchronous, so solve it differently)
		3294	load_resource_file "$DATADIR/archetypes"
		3295	or die "unable to load archetypes\n";
2503	}	3296	}
2504		3297
2505	sub reload_treasures {	3298	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3299	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3300	or die "unable to load treasurelists\n";
2508	}	3301	}
2509		3302
2510	sub reload_resources {	3303	sub reload_resources {
2511	warn "reloading resource files...\n";	3304	warn "reloading resource files...\n";
2512		3305
2513	reload_regions;	3306	reload_regions;
2514	reload_facedata;	3307	reload_facedata;
		3308	#reload_archetypes;#d#
2515	reload_archetypes;	3309	reload_archetypes;
2516	reload_treasures;	3310	reload_treasures;
2517		3311
2518	warn "finished reloading resource files\n";	3312	warn "finished reloading resource files\n";
2519	}	3313	}
2520		3314
2521	sub init {	3315	sub init {
2522	reload_resources;	3316	reload_resources;
2523	}	3317	}
2524		3318
2525	sub cfg_load {	3319	sub reload_config {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3320	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3321	or return;
2528		3322
2529	local $/;	3323	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3324	*CFG = YAML::Load <$fh>;
2531		3325
2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3326	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2533		3327
2534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3328	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3329	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2546	sub main {	3340	sub main {
2547	# we must not ever block the main coroutine	3341	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3342	local $Coro::idle = sub {
2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3343	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2550	(async {	3344	(async {
2551	Event::one_event;	3345	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3346	EV::loop EV::LOOP_ONESHOT;
2552	})->prio (Coro::PRIO_MAX);	3347	})->prio (Coro::PRIO_MAX);
2553	};	3348	};
2554		3349
2555	cfg_load;	3350	reload_config;
2556	db_init;	3351	db_init;
2557	load_extensions;	3352	load_extensions;
2558		3353
2559	$TICK_WATCHER->start;	3354	$TICK_WATCHER->start;
		3355	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2560	Event::loop;	3356	EV::loop;
2561	}	3357	}
2562		3358
2563	#############################################################################	3359	#############################################################################
2564	# initialisation and cleanup	3360	# initialisation and cleanup
2565		3361
2566	# install some emergency cleanup handlers	3362	# install some emergency cleanup handlers
2567	BEGIN {	3363	BEGIN {
		3364	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	3365	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	3366	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	signal => $signal,
2573	prio => 0,
2574	cb => sub {
2575	cf::cleanup "SIG$signal";	3367	cf::cleanup "SIG$signal";
2576	},
2577	);	3368	};
		3369	}
		3370	}
		3371
		3372	sub write_runtime {
		3373	my $runtime = "$LOCALDIR/runtime";
		3374
		3375	# first touch the runtime file to show we are still running:
		3376	# the fsync below can take a very very long time.
		3377
		3378	IO::AIO::aio_utime $runtime, undef, undef;
		3379
		3380	my $guard = cf::lock_acquire "write_runtime";
		3381
		3382	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3383	or return;
		3384
		3385	my $value = $cf::RUNTIME + 90 + 10;
		3386	# 10 is the runtime save interval, for a monotonic clock
		3387	# 60 allows for the watchdog to kill the server.
		3388
		3389	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3390	and return;
		3391
		3392	# always fsync - this file is important
		3393	aio_fsync $fh
		3394	and return;
		3395
		3396	# touch it again to show we are up-to-date
		3397	aio_utime $fh, undef, undef;
		3398
		3399	close $fh
		3400	or return;
		3401
		3402	aio_rename "$runtime~", $runtime
		3403	and return;
		3404
		3405	warn "runtime file written.\n";
		3406
2578	}	3407	1
2579	}	3408	}
2580		3409
2581	sub emergency_save() {	3410	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3411	my $freeze_guard = cf::freeze_mainloop;
2583		3412
…		…
2589	# and maps saved/destroyed asynchronously.	3418	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3419	warn "begin emergency player save\n";
2591	for my $login (keys %cf::PLAYER) {	3420	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3421	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3422	$pl->valid or next;
		3423	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3424	$pl->save;
2595	}	3425	}
2596	warn "end emergency player save\n";	3426	warn "end emergency player save\n";
2597		3427
2598	warn "begin emergency map save\n";	3428	warn "begin emergency map save\n";
…		…
2637	warn "syncing database to disk";	3467	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;	3468	BDB::db_env_txn_checkpoint $DB_ENV;
2639		3469
2640	# if anything goes wrong in here, we should simply crash as we already saved	3470	# if anything goes wrong in here, we should simply crash as we already saved
2641		3471
2642	warn "cancelling all WF_AUTOCANCEL watchers";
2643	for (Event::all_watchers) {
2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2645	}
2646
2647	warn "flushing outstanding aio requests";	3472	warn "flushing outstanding aio requests";
2648	for (;;) {	3473	for (;;) {
2649	BDB::flush;	3474	BDB::flush;
2650	IO::AIO::flush;	3475	IO::AIO::flush;
2651	Coro::cede;	3476	Coro::cede_notself;
2652	last unless IO::AIO::nreqs || BDB::nreqs;	3477	last unless IO::AIO::nreqs || BDB::nreqs;
2653	warn "iterate...";	3478	warn "iterate...";
2654	}	3479	}
2655		3480
2656	++$RELOAD;	3481	++$RELOAD;
…		…
2660	%EXT_CORO = ();	3485	%EXT_CORO = ();
2661		3486
2662	warn "removing commands";	3487	warn "removing commands";
2663	%COMMAND = ();	3488	%COMMAND = ();
2664		3489
2665	warn "removing ext commands";	3490	warn "removing ext/exti commands";
2666	%EXTCMD = ();	3491	%EXTCMD = ();
		3492	%EXTICMD = ();
2667		3493
2668	warn "unloading/nuking all extensions";	3494	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3495	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3496	warn "... unloading $pkg";
2671		3497
…		…
2701	Symbol::delete_package "safe::$_"	3527	Symbol::delete_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		3529
2704	warn "unloading cf.pm \"a bit\"";	3530	warn "unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3531	delete $INC{"cf.pm"};
		3532	delete $INC{"cf/pod.pm"};
2706		3533
2707	# don't, removes xs symbols, too,	3534	# don't, removes xs symbols, too,
2708	# and global variables created in xs	3535	# and global variables created in xs
2709	#Symbol::delete_package __PACKAGE__;	3536	#Symbol::delete_package __PACKAGE__;
2710		3537
…		…
2713	warn "reloading cf.pm";	3540	warn "reloading cf.pm";
2714	require cf;	3541	require cf;
2715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3542	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2716		3543
2717	warn "loading config and database again";	3544	warn "loading config and database again";
2718	cf::cfg_load;	3545	cf::reload_config;
2719		3546
2720	warn "loading extensions";	3547	warn "loading extensions";
2721	cf::load_extensions;	3548	cf::load_extensions;
2722		3549
2723	warn "reattaching attachments to objects/players";	3550	warn "reattaching attachments to objects/players";
…		…
2730	warn "leaving sync_job";	3557	warn "leaving sync_job";
2731		3558
2732	1	3559	1
2733	} or do {	3560	} or do {
2734	warn $@;	3561	warn $@;
2735	warn "error while reloading, exiting.";	3562	cf::cleanup "error while reloading, exiting.";
2736	exit 1;
2737	};	3563	};
2738		3564
2739	warn "reloaded";	3565	warn "reloaded";
2740	};	3566	};
2741		3567
…		…
2743		3569
2744	sub reload_perl() {	3570	sub reload_perl() {
2745	# doing reload synchronously and two reloads happen back-to-back,	3571	# doing reload synchronously and two reloads happen back-to-back,
2746	# coro crashes during coro_state_free->destroy here.	3572	# coro crashes during coro_state_free->destroy here.
2747		3573
2748	$RELOAD_WATCHER ||= Event->timer (	3574	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2749	reentrant => 0,
2750	after => 0,
2751	data => WF_AUTOCANCEL,
2752	cb => sub {
2753	do_reload_perl;	3575	do_reload_perl;
2754	undef $RELOAD_WATCHER;	3576	undef $RELOAD_WATCHER;
2755	},
2756	);	3577	};
2757	}	3578	}
2758		3579
2759	register_command "reload" => sub {	3580	register_command "reload" => sub {
2760	my ($who, $arg) = @_;	3581	my ($who, $arg) = @_;
2761		3582
2762	if ($who->flag (FLAG_WIZ)) {	3583	if ($who->flag (FLAG_WIZ)) {
2763	$who->message ("reloading server.");	3584	$who->message ("reloading server.");
		3585	async {
		3586	$Coro::current->{desc} = "perl_reload";
2764	async { reload_perl };	3587	reload_perl;
		3588	};
2765	}	3589	}
2766	};	3590	};
2767		3591
2768	unshift @INC, $LIBDIR;	3592	unshift @INC, $LIBDIR;
2769		3593
…		…
2788	my $signal = new Coro::Signal;	3612	my $signal = new Coro::Signal;
2789	push @WAIT_FOR_TICK_BEGIN, $signal;	3613	push @WAIT_FOR_TICK_BEGIN, $signal;
2790	$signal->wait;	3614	$signal->wait;
2791	}	3615	}
2792		3616
2793	$TICK_WATCHER = Event->timer (	3617	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2794	reentrant => 0,
2795	parked => 1,
2796	prio => 0,
2797	at => $NEXT_TICK || $TICK,
2798	data => WF_AUTOCANCEL,
2799	cb => sub {
2800	if ($Coro::current != $Coro::main) {	3618	if ($Coro::current != $Coro::main) {
2801	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3619	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2802	unless ++$bug_warning > 10;	3620	unless ++$bug_warning > 10;
2803	return;	3621	return;
2804	}	3622	}
2805		3623
2806	$NOW = Event::time;	3624	$NOW = $tick_start = EV::now;
2807		3625
2808	cf::server_tick; # one server iteration	3626	cf::server_tick; # one server iteration
2809		3627
2810	$RUNTIME += $TICK;	3628	$RUNTIME += $TICK;
2811	$NEXT_TICK += $TICK;	3629	$NEXT_TICK = $_[0]->at;
2812		3630
2813	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3631	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2814	$NEXT_RUNTIME_WRITE = $NOW + 10;	3632	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2815	Coro::async_pool {	3633	Coro::async_pool {
		3634	$Coro::current->{desc} = "runtime saver";
2816	write_runtime	3635	write_runtime
2817	or warn "ERROR: unable to write runtime file: $!";	3636	or warn "ERROR: unable to write runtime file: $!";
2818	};
2819	}	3637	};
		3638	}
2820		3639
2821	# my $AFTER = Event::time;
2822	# warn $AFTER - $NOW;#d#
2823
2824	# if we are delayed by four ticks or more, skip them all
2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2826
2827	$TICK_WATCHER->at ($NEXT_TICK);
2828	$TICK_WATCHER->start;
2829
2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3640	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2831	$sig->send;	3641	$sig->send;
2832	}	3642	}
2833	while (my $sig = shift @WAIT_FOR_TICK) {	3643	while (my $sig = shift @WAIT_FOR_TICK) {
2834	$sig->send;	3644	$sig->send;
2835	}	3645	}
2836		3646
		3647	$LOAD = ($NOW - $tick_start) / $TICK;
		3648	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3649
2837	_post_tick;	3650	_post_tick;
2838	},	3651	};
2839	);	3652	$TICK_WATCHER->priority (EV::MAXPRI);
2840		3653
2841	{	3654	{
2842	BDB::max_poll_time $TICK * 0.1;	3655	# configure BDB
2843	$BDB_POLL_WATCHER = Event->io (	3656
2844	reentrant => 0,
2845	fd => BDB::poll_fileno,
2846	poll => 'r',
2847	prio => 0,
2848	data => WF_AUTOCANCEL,
2849	cb => \&BDB::poll_cb,
2850	);
2851	BDB::min_parallel 8;	3657	BDB::min_parallel 8;
2852		3658	BDB::max_poll_reqs $TICK * 0.1;
2853	BDB::set_sync_prepare {	3659	$Coro::BDB::WATCHER->priority (1);
2854	my $status;
2855	my $current = $Coro::current;
2856	(
2857	sub {
2858	$status = $!;
2859	$current->ready; undef $current;
2860	},
2861	sub {
2862	Coro::schedule while defined $current;
2863	$! = $status;
2864	},
2865	)
2866	};
2867		3660
2868	unless ($DB_ENV) {	3661	unless ($DB_ENV) {
2869	$DB_ENV = BDB::db_env_create;	3662	$DB_ENV = BDB::db_env_create;
		3663	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3664	| BDB::LOG_AUTOREMOVE, 1);
		3665	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3666	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2870		3667
2871	cf::sync_job {	3668	cf::sync_job {
2872	eval {	3669	eval {
2873	BDB::db_env_open	3670	BDB::db_env_open
2874	$DB_ENV,	3671	$DB_ENV,
2875	$BDB_ENV_DIR,	3672	$BDBDIR,
2876	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3673	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2877	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3674	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2878	0666;	3675	0666;
2879		3676
2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3677	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2881
2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2883	$DB_ENV->set_lk_detect;
2884	};	3678	};
2885		3679
2886	cf::cleanup "db_env_open(db): $@" if $@;	3680	cf::cleanup "db_env_open(db): $@" if $@;
2887	};	3681	};
2888	}	3682	}
		3683
		3684	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3685	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3686	};
		3687	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3688	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3689	};
		3690	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3691	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3692	};
2889	}	3693	}
2890		3694
2891	{	3695	{
		3696	# configure IO::AIO
		3697
2892	IO::AIO::min_parallel 8;	3698	IO::AIO::min_parallel 8;
2893
2894	undef $Coro::AIO::WATCHER;
2895	IO::AIO::max_poll_time $TICK * 0.1;	3699	IO::AIO::max_poll_time $TICK * 0.1;
2896	$AIO_POLL_WATCHER = Event->io (	3700	$Coro::AIO::WATCHER->priority (1);
2897	reentrant => 0,	3701	}
2898	data => WF_AUTOCANCEL,	3702
2899	fd => IO::AIO::poll_fileno,	3703	my $_log_backtrace;
2900	poll => 'r',	3704
2901	prio => 6,	3705	sub _log_backtrace {
2902	cb => \&IO::AIO::poll_cb,	3706	my ($msg, @addr) = @_;
2903	);	3707
		3708	$msg =~ s/\n//;
		3709
		3710	# limit the # of concurrent backtraces
		3711	if ($_log_backtrace < 2) {
		3712	++$_log_backtrace;
		3713	async {
		3714	$Coro::current->{desc} = "abt $msg";
		3715
		3716	my @bt = fork_call {
		3717	@addr = map { sprintf "%x", $_ } @addr;
		3718	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3719	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3720	or die "addr2line: $!";
		3721
		3722	my @funcs;
		3723	my @res = <$fh>;
		3724	chomp for @res;
		3725	while (@res) {
		3726	my ($func, $line) = splice @res, 0, 2, ();
		3727	push @funcs, "[$func] $line";
		3728	}
		3729
		3730	@funcs
		3731	};
		3732
		3733	LOG llevInfo, "[ABT] $msg\n";
		3734	LOG llevInfo, "[ABT] $_\n" for @bt;
		3735	--$_log_backtrace;
		3736	};
		3737	} else {
		3738	LOG llevInfo, "[ABT] $msg\n";
		3739	LOG llevInfo, "[ABT] [suppressed]\n";
		3740	}
2904	}	3741	}
2905		3742
2906	# load additional modules	3743	# load additional modules
2907	use cf::pod;	3744	use cf::pod;
2908		3745

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