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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 2007 UTC vs.
Revision 1.410 by root, Tue Jan 15 12:02:24 2008 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
9	use Event;	9	use EV 1.86;
10	use Opcode;	10	use Opcode;
11	use Safe;	11	use Safe;
12	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
13		14
14	use Coro 3.61 ();	15	use Coro 4.32 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::EV;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
21	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
22		26
		27	use JSON::XS 2.01 ();
23	use BDB ();	28	use BDB ();
24	use Data::Dumper;	29	use Data::Dumper;
25	use Digest::MD5;	30	use Digest::MD5;
26	use Fcntl;	31	use Fcntl;
27	use YAML::Syck ();	32	use YAML ();
28	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
29	use Time::HiRes;	34	use Time::HiRes;
30	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
31		37
32	# configure various modules to our taste	38	# configure various modules to our taste
33	#	39	#
34	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
35	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
36	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
37		43
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$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
44		45
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		47
47	our %COMMAND = ();	48	our %COMMAND = ();
48	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
49		50
50	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
54		56
55	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
56	our @EVENT;	58	our @EVENT;
57	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;
58		72
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;	74	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	77	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		79
67	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	84	our $DB_ENV;
69		85
70	our %CFG;	86	our %CFG;
71		87
72	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
74		91
75	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		95
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $tick_start; # for load detecting purposes
		102
84	binmode STDOUT;	103	binmode STDOUT;
85	binmode STDERR;	104	binmode STDERR;
86		105
87	# read virtual server time, if available	106	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
92	}	111	}
93		112
94	mkdir cf::localdir;	113	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		115
101	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
102		117
103	sub cf::map::normalise;	118	sub cf::map::normalise;
104		119
…		…
115	=item $cf::RUNTIME	130	=item $cf::RUNTIME
116		131
117	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
118	every server tick.	133	every server tick.
119		134
120	=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
121		138
122	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		143
125	=item $cf::NOW	144	=item $cf::NOW
126		145
127	The time of the last (current) server tick.	146	The time of the last (current) server tick.
128		147
129	=item $cf::TICK	148	=item $cf::TICK
130		149
131	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
132		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
133	=item %cf::CFG	162	=item %cf::CFG
134		163
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	165	from wherever your confdir points to.
137		166
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		168
140	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
141	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
142	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.
143		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
144	=back	179	=back
145		180
146	=cut	181	=cut
147		182
148	BEGIN {	183	BEGIN {
149	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	185	my $msg = join "", @_;
151	utf8::encode $msg;
152		186
153	$msg .= "\n"	187	$msg .= "\n"
154	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
155		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
156	LOG llevError, $msg;	192	LOG llevError, $msg;
157	};	193	};
158	}	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#?
159		210
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		218
167	# 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
168	# within the Safe compartment.	220	# within the Safe compartment.
169	for my $pkg (qw(	221	for my $pkg (qw(
170	cf::global cf::attachable	222	cf::global cf::attachable
…		…
175	)) {	227	)) {
176	no strict 'refs';	228	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	230	}
179		231
180	$Event::DIED = sub {	232	$EV::DIED = sub {
181	warn "error in event callback: @_";	233	warn "error in event callback: @_";
182	};	234	};
		235
		236	#############################################################################
183		237
184	=head2 UTILITY FUNCTIONS	238	=head2 UTILITY FUNCTIONS
185		239
186	=over 4	240	=over 4
187		241
…		…
206	$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;
207	$d	261	$d
208	} || "[unable to dump $_[0]: '$@']";	262	} || "[unable to dump $_[0]: '$@']";
209	}	263	}
210		264
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	265	=item $ref = cf::decode_json $json
214		266
215	Converts a JSON string into the corresponding perl data structure.	267	Converts a JSON string into the corresponding perl data structure.
216		268
217	=item $json = cf::to_json $ref	269	=item $json = cf::encode_json $ref
218		270
219	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]) }
220		279
221	=item cf::lock_wait $string	280	=item cf::lock_wait $string
222		281
223	Wait until the given lock is available. See cf::lock_acquire.	282	Wait until the given lock is available. See cf::lock_acquire.
224		283
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	288	for example when the coroutine gets canceled), the lock is automatically
230	returned.	289	returned.
231		290
		291	Locks are *not* recursive, locking from the same coro twice results in a
		292	deadlocked coro.
		293
232	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
233	uses map_find and cf::map::load uses map_load).	295	uses map_find and cf::map::load uses map_load).
234		296
		297	=item $locked = cf::lock_active $string
		298
		299	Return true if the lock is currently active, i.e. somebody has locked it.
		300
235	=cut	301	=cut
236		302
237	our %LOCK;	303	our %LOCK;
		304	our %LOCKER;#d#
238		305
239	sub lock_wait($) {	306	sub lock_wait($) {
240	my ($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#
241		313
242	# wait for lock, if any	314	# wait for lock, if any
243	while ($LOCK{$key}) {	315	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	316	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	317	Coro::schedule;
…		…
251		323
252	# wait, to be sure we are not locked	324	# wait, to be sure we are not locked
253	lock_wait $key;	325	lock_wait $key;
254		326
255	$LOCK{$key} = [];	327	$LOCK{$key} = [];
		328	$LOCKER{$key} = $Coro::current;#d#
256		329
257	Coro::guard {	330	Coro::guard {
		331	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	332	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	333	$_->ready for @{ delete $LOCK{$key} };
260	}	334	}
		335	}
		336
		337	sub lock_active($) {
		338	my ($key) = @_;
		339
		340	! ! $LOCK{$key}
261	}	341	}
262		342
263	sub freeze_mainloop {	343	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	344	return unless $TICK_WATCHER->is_active;
265		345
…		…
268	};	348	};
269	$TICK_WATCHER->stop;	349	$TICK_WATCHER->stop;
270	$guard	350	$guard
271	}	351	}
272		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	$sig->wait;
		424	}
		425
273	=item cf::async { BLOCK }	426	=item cf::async { BLOCK }
274		427
275	Currently the same as Coro::async_pool, meaning you cannot use	428	Currently the same as Coro::async_pool, meaning you cannot use
276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	429	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
277	thing you are allowed to do is call C<prio> on it.	430	thing you are allowed to do is call C<prio> on it.
…		…
280		433
281	BEGIN { *async = \&Coro::async_pool }	434	BEGIN { *async = \&Coro::async_pool }
282		435
283	=item cf::sync_job { BLOCK }	436	=item cf::sync_job { BLOCK }
284		437
285	The design of crossfire+ requires that the main coro ($Coro::main) is	438	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	439	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	440	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		441	acceptable.
288		442
289	If it must be done, put the blocking parts into C<sync_job>. This will run	443	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	444	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	445	server will be frozen during this time, so the block should either finish
292	fast or be very important.	446	fast or be very important.
…		…
295		449
296	sub sync_job(&) {	450	sub sync_job(&) {
297	my ($job) = @_;	451	my ($job) = @_;
298		452
299	if ($Coro::current == $Coro::main) {	453	if ($Coro::current == $Coro::main) {
		454	my $time = EV::time;
		455
300	# this is the main coro, too bad, we have to block	456	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	457	# till the operation succeeds, freezing the server :/
302		458
		459	LOG llevError, Carp::longmess "sync job";#d#
		460
303	# TODO: use suspend/resume instead	461	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	462	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	463	my $freeze_guard = freeze_mainloop;
306		464
307	my $busy = 1;	465	my $busy = 1;
308	my @res;	466	my @res;
309		467
310	(async {	468	(async {
		469	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	470	@res = eval { $job->() };
312	warn $@ if $@;	471	warn $@ if $@;
313	undef $busy;	472	undef $busy;
314	})->prio (Coro::PRIO_MAX);	473	})->prio (Coro::PRIO_MAX);
315		474
316	while ($busy) {	475	while ($busy) {
317	Coro::cede or Event::one_event;	476	if (Coro::nready) {
		477	Coro::cede_notself;
		478	} else {
		479	EV::loop EV::LOOP_ONESHOT;
318	}	480	}
		481	}
		482
		483	$time = EV::time - $time;
		484
		485	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		486	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		487
		488	$tick_start += $time; # do not account sync jobs to server load
319		489
320	wantarray ? @res : $res[0]	490	wantarray ? @res : $res[0]
321	} else {	491	} else {
322	# we are in another coroutine, how wonderful, everything just works	492	# we are in another coroutine, how wonderful, everything just works
323		493
…		…
343	$EXT_CORO{$coro+0} = $coro;	513	$EXT_CORO{$coro+0} = $coro;
344		514
345	$coro	515	$coro
346	}	516	}
347		517
348	sub write_runtime {	518	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		519
351	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.
352		524
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	525	=cut
354	or return;
355		526
356	my $value = $cf::RUNTIME + 90 + 10;	527	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	528	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		529
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	530	# we seemingly have to make a local copy of the whole thing,
361	and return;	531	# otherwise perl prematurely frees the stuff :/
		532	# TODO: investigate and fix (likely this will be rather laborious)
362		533
363	# always fsync - this file is important	534	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	535	reset_signals;
365	and return;	536	&$cb
		537	}, @args;
366		538
367	close $fh	539	wantarray ? @res : $res[-1]
368	or return;	540	}
369		541
370	aio_rename "$runtime~", $runtime	542	=item $value = cf::db_get $family => $key
371	and return;
372		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($$) {
		584	my $key = "$_[0]/$_[1]";
		585
		586	cf::sync_job {
		587	BDB::db_get $DB, undef, $key, my $data;
		588
		589	$! ? ()
		590	: $data
373	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		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"
374	}	667	}
375		668
376	=item cf::datalog type => key => value, ...	669	=item cf::datalog type => key => value, ...
377		670
378	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.
…		…
396	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")
397	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
398		691
399	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>
400	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
401	crossfire+).	694	Deliantra).
402		695
403	=over 4	696	=over 4
404		697
405	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
406		699
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	862	$registry = $CB_TYPE[$object_type] ||= [];
570		863
571	} elsif ($type eq "subtype") {	864	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	865	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	866	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	867	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		868
576	} elsif ($type eq "package") {	869	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	870	my $pkg = shift @arg;
578		871
579	while (my ($name, $id) = each %cb_id) {	872	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
609	}	902	}
610		903
611	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
612	} else {	905	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	907	}
615		908
616	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
617	}	910	}
618		911
…		…
620	if (ref $_[0]) {	913	if (ref $_[0]) {
621	_object_attach @_;	914	_object_attach @_;
622	} else {	915	} else {
623	_attach shift->_attach_registry, @_;	916	_attach shift->_attach_registry, @_;
624	}	917	}
		918	_recalc_want;
625	};	919	};
626		920
627	# all those should be optimised	921	# all those should be optimised
628	sub cf::attachable::detach {	922	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	926	delete $obj->{_attachment}{$name};
633	reattach ($obj);	927	reattach ($obj);
634	} else {	928	} else {
635	Carp::croak "cannot, currently, detach class attachments";	929	Carp::croak "cannot, currently, detach class attachments";
636	}	930	}
		931	_recalc_want;
637	};	932	};
638		933
639	sub cf::attachable::attached {	934	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
641		936
…		…
656	";	951	";
657	die if $@;	952	die if $@;
658	}	953	}
659		954
660	our $override;	955	our $override;
661	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?
662		957
663	sub override {	958	sub override {
664	$override = 1;	959	$override = 1;
665	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
666	}	961	}
667		962
668	sub do_invoke {	963	sub do_invoke {
669	my $event = shift;	964	my $event = shift;
670	my $callbacks = shift;	965	my $callbacks = shift;
671		966
672	@invoke_results = ();	967	@INVOKE_RESULTS = ();
673		968
674	local $override;	969	local $override;
675		970
676	for (@$callbacks) {	971	for (@$callbacks) {
677	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
686	}	981	}
687		982
688	0	983	0
689	}	984	}
690		985
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		987
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		989
695	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
696		991
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		995
701	=back	996	=back
702		997
703	=cut	998	=cut
704		999
705	#############################################################################	1000	#############################################################################
706	# 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, $ob2
		1043	}
707		1044
708	sub reattach {	1045	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1047	my ($obj) = @_;
711		1048
…		…
732	cf::attachable->attach (	1069	cf::attachable->attach (
733	prio => -1000000,	1070	prio => -1000000,
734	on_instantiate => sub {	1071	on_instantiate => sub {
735	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
736		1073
737	$data = from_json $data;	1074	$data = decode_json $data;
738		1075
739	for (@$data) {	1076	for (@$data) {
740	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
741		1078
742	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1095	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
760		1097
761	sync_job {	1098	sync_job {
762	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
765		1103
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1107	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1108	close $fh;
771		1109
772	if (@$objs) {	1110	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1115	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1116	close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
780	}	1118	}
…		…
788	}	1126	}
789	} else {	1127	} else {
790	aio_unlink $filename;	1128	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
792	}	1130	}
793	}	1131	};
794	}	1132	}
795		1133
796	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
798		1136
…		…
810	or return;	1148	or return;
811		1149
812	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
814	or return;	1152	or return;
		1153
815	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
816	}	1156	}
817		1157
		1158	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1160	$decname, length $data, scalar @{$av || []};
		1161
820	return ($data, $av);	1162	($data, $av)
821	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
822		1170
823	#############################################################################	1171	#############################################################################
824	# command handling &c	1172	# command handling &c
825		1173
826	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1188	}
841		1189
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1191
844	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.
845		1197
846	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
847	called.	1199	called.
848		1200
		1201	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1202
		1203	Register a callback for execution when the client sends an (asynchronous)
		1204	exticmd packet. Exti commands are processed by the server as soon as they
		1205	are received, i.e. out of order w.r.t. other commands. The first argument
		1206	is a client socket. Exti commands can be received anytime, even before
		1207	log-in.
		1208
		1209	If the callback returns something, it is sent back as if reply was being
		1210	called.
		1211
849	=cut	1212	=cut
850		1213
851	sub register_extcmd {	1214	sub register_extcmd {
852	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
853		1216
854	$EXTCMD{$name} = $cb;	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
855	}	1224	}
856		1225
857	cf::player->attach (	1226	cf::player->attach (
858	on_command => sub {	1227	on_command => sub {
859	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1237	cf::override;
869	},	1238	},
870	on_extcmd => sub {	1239	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
872		1241
873	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1243
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
881	} else {	1259	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1261	}
884		1262
885	cf::override;	1263	cf::override;
886	},	1264	},
887	);	1265	);
888		1266
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
924	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1272	next unless -r $path;
926	eval {	1273
927	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	warn "mandatory extension failed to load, exiting.\n";
		1322	exit 1;
		1323	}
		1324
		1325	warn $msg;
		1326	}
		1327
		1328	$done{$k} = delete $todo{$k};
		1329	push @EXTS, $v->{pkg};
		1330	$progress = 1;
928	1	1331	}
929	} or warn "$ext not loaded: $@";	1332
		1333	skip:
		1334	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1335	unless $progress;
		1336	}
930	}	1337	};
931	}	1338	}
932		1339
933	#############################################################################	1340	#############################################################################
934		1341
		1342	=back
		1343
935	=head2 CORE EXTENSIONS	1344	=head2 CORE EXTENSIONS
936		1345
937	Functions and methods that extend core crossfire objects.	1346	Functions and methods that extend core crossfire objects.
938		1347
939	=cut	1348	=cut
…		…
944		1353
945	=head3 cf::player	1354	=head3 cf::player
946		1355
947	=over 4	1356	=over 4
948		1357
		1358	=item cf::player::num_playing
		1359
		1360	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1361
		1362	=cut
		1363
		1364	sub num_playing {
		1365	scalar grep
		1366	$_->ob->map
		1367	&& !$_->hidden
		1368	&& !$_->ob->flag (cf::FLAG_WIZ),
		1369	cf::player::list
		1370	}
		1371
949	=item cf::player::find $login	1372	=item cf::player::find $login
950		1373
951	Returns the given player object, loading it if necessary (might block).	1374	Returns the given player object, loading it if necessary (might block).
952		1375
953	=cut	1376	=cut
954		1377
955	sub playerdir($) {	1378	sub playerdir($) {
956	cf::localdir	1379	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1380	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1381	}
962		1382
963	sub path($) {	1383	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1384	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1411	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1412	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1413	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1414	aio_unlink +(playerdir $login) . "/$login.pl";
995		1415
996	my $pl = load_pl path $login	1416	my $f = new_from_file cf::object::thawer path $login
997	or return;	1417	or return;
		1418
		1419	my $pl = cf::player::load_pl $f
		1420	or return;
		1421	local $cf::PLAYER_LOADING{$login} = $pl;
		1422	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1423	$cf::PLAYER{$login} = $pl
999	}	1424	}
1000	}	1425	}
1001	}	1426	}
1002		1427
…		…
1012		1437
1013	aio_mkdir playerdir $pl, 0770;	1438	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1439	$pl->{last_save} = $cf::RUNTIME;
1015		1440
1016	$pl->save_pl ($path);	1441	$pl->save_pl ($path);
1017	Coro::cede;	1442	cf::cede_to_tick;
1018	}	1443	}
1019		1444
1020	sub new($) {	1445	sub new($) {
1021	my ($login) = @_;	1446	my ($login) = @_;
1022		1447
…		…
1026	$self->{deny_save} = 1;	1451	$self->{deny_save} = 1;
1027		1452
1028	$cf::PLAYER{$login} = $self;	1453	$cf::PLAYER{$login} = $self;
1029		1454
1030	$self	1455	$self
		1456	}
		1457
		1458	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1459
		1460	=cut
		1461
		1462	sub send_msg {
		1463	my $ns = shift->ns
		1464	or return;
		1465	$ns->send_msg (@_);
1031	}	1466	}
1032		1467
1033	=item $pl->quit_character	1468	=item $pl->quit_character
1034		1469
1035	Nukes the player without looking back. If logged in, the connection will	1470	Nukes the player without looking back. If logged in, the connection will
…		…
1084	while and may block, so not sync_job-capable, ever.	1519	while and may block, so not sync_job-capable, ever.
1085		1520
1086	=cut	1521	=cut
1087		1522
1088	sub list_logins {	1523	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1524	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1525	or return [];
1091		1526
1092	my @logins;	1527	my @logins;
1093		1528
1094	for my $login (@$dirs) {	1529	for my $login (@$dirs) {
		1530	my $path = path $login;
		1531
		1532	# a .pst is a dead give-away for a valid player
		1533	unless (-e "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1534	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1535	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1536	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1537	}
1098		1538
1099	utf8::decode $login;	1539	utf8::decode $login;
1100	push @logins, $login;	1540	push @logins, $login;
1101	}	1541	}
1102		1542
…		…
1129	}	1569	}
1130		1570
1131	\@paths	1571	\@paths
1132	}	1572	}
1133		1573
		1574	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1575
		1576	Expand crossfire pod fragments into protocol xml.
		1577
		1578	=cut
		1579
		1580	use re 'eval';
		1581
		1582	my $group;
		1583	my $interior; $interior = qr{
		1584	# match a pod interior sequence sans C<< >>
		1585	(?:
		1586	\ (.*?)\ (?{ $group = $^N })
		1587	| < (??{$interior}) >
		1588	)
		1589	}x;
		1590
		1591	sub expand_cfpod {
		1592	my ($self, $pod) = @_;
		1593
		1594	my $xml;
		1595
		1596	while () {
		1597	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1598	$group = $1;
		1599
		1600	$group =~ s/&/&amp;/g;
		1601	$group =~ s/</&lt;/g;
		1602
		1603	$xml .= $group;
		1604	} elsif ($pod =~ m%\G
		1605	([BCGHITU])
		1606	<
		1607	(?:
		1608	([^<>]*) (?{ $group = $^N })
		1609	| < $interior >
		1610	)
		1611	>
		1612	%gcsx
		1613	) {
		1614	my ($code, $data) = ($1, $group);
		1615
		1616	if ($code eq "B") {
		1617	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1618	} elsif ($code eq "I") {
		1619	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1620	} elsif ($code eq "U") {
		1621	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1622	} elsif ($code eq "C") {
		1623	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1624	} elsif ($code eq "T") {
		1625	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1626	} elsif ($code eq "G") {
		1627	my ($male, $female) = split /\|/, $data;
		1628	$data = $self->gender ? $female : $male;
		1629	$xml .= expand_cfpod ($self, $data);
		1630	} elsif ($code eq "H") {
		1631	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1632	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1633	"")
		1634	[$self->{hintmode}];
		1635	} else {
		1636	$xml .= "error processing '$code($data)' directive";
		1637	}
		1638	} else {
		1639	if ($pod =~ /\G(.+)/) {
		1640	warn "parse error while expanding $pod (at $1)";
		1641	}
		1642	last;
		1643	}
		1644	}
		1645
		1646	for ($xml) {
		1647	# create single paragraphs (very hackish)
		1648	s/(?<=\S)\n(?=\w)/ /g;
		1649
		1650	# compress some whitespace
		1651	s/\s+\n/\n/g; # ws line-ends
		1652	s/\n\n+/\n/g; # double lines
		1653	s/^\n+//; # beginning lines
		1654	s/\n+$//; # ending lines
		1655	}
		1656
		1657	$xml
		1658	}
		1659
		1660	no re 'eval';
		1661
		1662	sub hintmode {
		1663	$_[0]{hintmode} = $_[1] if @_ > 1;
		1664	$_[0]{hintmode}
		1665	}
		1666
1134	=item $player->ext_reply ($msgid, %msg)	1667	=item $player->ext_reply ($msgid, @msg)
1135		1668
1136	Sends an ext reply to the player.	1669	Sends an ext reply to the player.
1137		1670
1138	=cut	1671	=cut
1139		1672
1140	sub ext_reply($$%) {	1673	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1674	my ($self, $id, @msg) = @_;
1142		1675
1143	$msg{msgid} = $id;	1676	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1677	}
1147		1678
1148	=item $player->ext_event ($type, %msg)	1679	=item $player->ext_msg ($type, @msg)
1149		1680
1150	Sends an ext event to the client.	1681	Sends an ext event to the client.
1151		1682
1152	=cut	1683	=cut
1153		1684
1154	sub ext_event($$%) {	1685	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1686	my ($self, $type, @msg) = @_;
1156		1687
1157	$self->ns->ext_event ($type, %msg);	1688	$self->ns->ext_msg ($type, @msg);
1158	}	1689	}
1159		1690
1160	=head3 cf::region	1691	=head3 cf::region
1161		1692
1162	=over 4	1693	=over 4
…		…
1165		1696
1166	package cf::region;	1697	package cf::region;
1167		1698
1168	=item cf::region::find_by_path $path	1699	=item cf::region::find_by_path $path
1169		1700
1170	Tries to decuce the probable region for a map knowing only its path.	1701	Tries to decuce the likely region for a map knowing only its path.
1171		1702
1172	=cut	1703	=cut
1173		1704
1174	sub find_by_path($) {	1705	sub find_by_path($) {
1175	my ($path) = @_;	1706	my ($path) = @_;
1176		1707
1177	my ($match, $specificity);	1708	my ($match, $specificity);
1178		1709
1179	for my $region (list) {	1710	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1711	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1712	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1713	if $region->specificity > $specificity;
1183	}	1714	}
1184	}	1715	}
1185		1716
…		…
1249	my ($self, $merge) = @_;	1780	my ($self, $merge) = @_;
1250		1781
1251	# we have to keep some variables in memory intact	1782	# we have to keep some variables in memory intact
1252	local $self->{path};	1783	local $self->{path};
1253	local $self->{load_path};	1784	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1785
1257	$self->SUPER::thawer_merge ($merge);	1786	$self->SUPER::thawer_merge ($merge);
1258	}	1787	}
1259		1788
1260	sub normalise {	1789	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1836	$self->init; # pass $1 etc.
1308	return $self;	1837	return $self;
1309	}	1838	}
1310	}	1839	}
1311		1840
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1841	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1842	()
1314	}	1843	}
1315		1844
1316	sub init {	1845	sub init {
1317	my ($self) = @_;	1846	my ($self) = @_;
…		…
1332		1861
1333	# the original (read-only) location	1862	# the original (read-only) location
1334	sub load_path {	1863	sub load_path {
1335	my ($self) = @_;	1864	my ($self) = @_;
1336		1865
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1866	"$MAPDIR/$self->{path}.map"
1338	}	1867	}
1339		1868
1340	# the temporary/swap location	1869	# the temporary/swap location
1341	sub save_path {	1870	sub save_path {
1342	my ($self) = @_;	1871	my ($self) = @_;
1343		1872
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1874	"$TMPDIR/$path.map"
1346	}	1875	}
1347		1876
1348	# the unique path, undef == no special unique path	1877	# the unique path, undef == no special unique path
1349	sub uniq_path {	1878	sub uniq_path {
1350	my ($self) = @_;	1879	my ($self) = @_;
1351		1880
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1882	"$UNIQUEDIR/$path"
1354	}	1883	}
1355		1884
1356	# and all this just because we cannot iterate over	1885	# and all this just because we cannot iterate over
1357	# all maps in C++...	1886	# all maps in C++...
1358	sub change_all_map_light {	1887	sub change_all_map_light {
…		…
1360		1889
1361	$_->change_map_light ($change)	1890	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1891	for grep $_->outdoor, values %cf::MAP;
1363	}	1892	}
1364		1893
		1894	sub decay_objects {
		1895	my ($self) = @_;
		1896
		1897	return if $self->{deny_reset};
		1898
		1899	$self->do_decay_objects;
		1900	}
		1901
1365	sub unlink_save {	1902	sub unlink_save {
1366	my ($self) = @_;	1903	my ($self) = @_;
1367		1904
1368	utf8::encode (my $save = $self->save_path);	1905	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1906	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1909
1373	sub load_header_from($) {	1910	sub load_header_from($) {
1374	my ($self, $path) = @_;	1911	my ($self, $path) = @_;
1375		1912
1376	utf8::encode $path;	1913	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1915	or return;
		1916
		1917	$self->_load_header ($f)
		1918	or return;
		1919
		1920	local $MAP_LOADING{$self->{path}} = $self;
		1921	$f->resolve_delayed_derefs;
1382		1922
1383	$self->{load_path} = $path;	1923	$self->{load_path} = $path;
1384		1924
1385	1	1925	1
1386	}	1926	}
…		…
1425	$self->load_header_orig	1965	$self->load_header_orig
1426	or return;	1966	or return;
1427	$self->prepare_orig;	1967	$self->prepare_orig;
1428	}	1968	}
1429		1969
		1970	$self->{deny_reset} = 1
		1971	if $self->no_reset;
		1972
1430	$self->default_region (cf::region::find_by_path $self->{path})	1973	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1974	unless $self->default_region;
1432		1975
1433	1	1976	1
1434	}	1977	}
…		…
1437	sub find {	1980	sub find {
1438	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1439		1982
1440	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1441		1984
		1985	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1986	cf::lock_wait "map_find:$path";
1443		1987
1444	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";	1989	my $guard1 = cf::lock_acquire "map_find:$path";
		1990	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1991
1446	my $map = new_from_path cf::map $path	1992	my $map = new_from_path cf::map $path
1447	or return;	1993	or return;
1448		1994
1449	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1450		1996
1451	$map->load_header	1997	$map->load_header
1452	or return;	1998	or return;
1453		1999
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2001	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard1;
		2004	undef $guard2;
1457	$map->reset;	2005	$map->reset;
1458	undef $guard;
1459	return find $path;	2006	return find $path;
1460	}	2007	}
1461		2008
1462	$cf::MAP{$path} = $map	2009	$cf::MAP{$path} = $map
1463	}	2010	}
…		…
1470	my ($self) = @_;	2017	my ($self) = @_;
1471		2018
1472	local $self->{deny_reset} = 1; # loading can take a long time	2019	local $self->{deny_reset} = 1; # loading can take a long time
1473		2020
1474	my $path = $self->{path};	2021	my $path = $self->{path};
		2022
		2023	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2024	my $guard = cf::lock_acquire "map_data:$path";
1476		2025
		2026	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2027	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2028
1479	$self->in_memory (cf::MAP_LOADING);	2029	$self->in_memory (cf::MAP_LOADING);
1480		2030
1481	$self->alloc;	2031	$self->alloc;
1482		2032
1483	$self->pre_load;	2033	$self->pre_load;
1484	Coro::cede;	2034	cf::cede_to_tick;
1485		2035
1486	$self->_load_objects ($self->{load_path}, 1)	2036	my $f = new_from_file cf::object::thawer $self->{load_path};
		2037	$f->skip_block;
		2038	$self->_load_objects ($f)
1487	or return;	2039	or return;
1488		2040
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};	2042	if delete $self->{load_original};
1491		2043
1492	if (my $uniq = $self->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2045	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2046	unless (aio_stat $uniq) {
		2047	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2048	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2049	$self->_load_objects ($f);
		2050	$f->resolve_delayed_derefs;
		2051	}
1497	}	2052	}
1498	}	2053	}
1499		2054
1500	Coro::cede;	2055	$f->resolve_delayed_derefs;
		2056
		2057	cf::cede_to_tick;
1501	# now do the right thing for maps	2058	# now do the right thing for maps
1502	$self->link_multipart_objects;	2059	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2060	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2061	unless $self->difficulty;
1513	Coro::cede;	2062	cf::cede_to_tick;
		2063
		2064	unless ($self->{deny_activate}) {
		2065	$self->decay_objects;
		2066	$self->fix_auto_apply;
		2067	$self->update_buttons;
		2068	cf::cede_to_tick;
		2069	$self->set_darkness_map;
		2070	cf::cede_to_tick;
1514	$self->activate;	2071	$self->activate;
1515	Coro::cede;	2072	}
		2073
		2074	$self->{last_save} = $cf::RUNTIME;
		2075	$self->last_access ($cf::RUNTIME);
		2076
		2077	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	2078	}
1517		2079
1518	$self->post_load;	2080	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2081	}
1523		2082
1524	sub customise_for {	2083	sub customise_for {
1525	my ($self, $ob) = @_;	2084	my ($self, $ob) = @_;
1526		2085
1527	return find "~" . $ob->name . "/" . $self->{path}	2086	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2087	if $self->per_player;
1529		2088
		2089	# return find "?party/" . $ob->name . "/" . $self->{path}
		2090	# if $self->per_party;
		2091
1530	$self	2092	$self
1531	}	2093	}
1532		2094
1533	# find and load all maps in the 3x3 area around a map	2095	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2096	sub load_neighbours {
1535	my ($map) = @_;	2097	my ($map) = @_;
1536		2098
1537	my @diag; # diagonal neighbours	2099	my @neigh; # diagonal neighbours
1538		2100
1539	for (0 .. 3) {	2101	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2102	my $neigh = $map->tile_path ($_)
1541	or next;	2103	or next;
1542	$neigh = find $neigh, $map	2104	$neigh = find $neigh, $map
1543	or next;	2105	or next;
1544	$neigh->load;	2106	$neigh->load;
1545		2107
		2108	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2109	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2110	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2111	}
1549		2112
1550	for (@diag) {	2113	for (grep defined $_->[0], @neigh) {
		2114	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2115	my $neigh = find $path, $origin
1552	or next;	2116	or next;
1553	$neigh->load;	2117	$neigh->load;
1554	}	2118	}
1555	}	2119	}
1556		2120
…		…
1561	}	2125	}
1562		2126
1563	sub do_load_sync {	2127	sub do_load_sync {
1564	my ($map) = @_;	2128	my ($map) = @_;
1565		2129
		2130	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2131	if $Coro::current == $Coro::main;
		2132
1566	cf::sync_job { $map->load };	2133	cf::sync_job { $map->load };
1567	}	2134	}
1568		2135
1569	our %MAP_PREFETCH;	2136	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2137	our $MAP_PREFETCHER = undef;
1571		2138
1572	sub find_async {	2139	sub find_async {
1573	my ($path, $origin) = @_;	2140	my ($path, $origin, $load) = @_;
1574		2141
1575	$path = normalise $path, $origin && $origin->{path};	2142	$path = normalise $path, $origin && $origin->{path};
1576		2143
1577	if (my $map = $cf::MAP{$path}) {	2144	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2145	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1579	}	2146	}
1580		2147
1581	undef $MAP_PREFETCH{$path};	2148	$MAP_PREFETCH{$path} |= $load;
		2149
1582	$MAP_PREFETCHER ||= cf::async {	2150	$MAP_PREFETCHER ||= cf::async {
		2151	$Coro::current->{desc} = "map prefetcher";
		2152
1583	while (%MAP_PREFETCH) {	2153	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2154	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2155	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2156	$map->load if $v;
		2157	}
1588		2158
1589	delete $MAP_PREFETCH{$path};	2159	delete $MAP_PREFETCH{$k};
1590	}	2160	}
1591	}	2161	}
1592	undef $MAP_PREFETCHER;	2162	undef $MAP_PREFETCHER;
1593	};	2163	};
1594	$MAP_PREFETCHER->prio (6);	2164	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2167	}
1598		2168
1599	sub save {	2169	sub save {
1600	my ($self) = @_;	2170	my ($self) = @_;
1601		2171
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2173
1604	$self->{last_save} = $cf::RUNTIME;	2174	$self->{last_save} = $cf::RUNTIME;
1605		2175
1606	return unless $self->dirty;	2176	return unless $self->dirty;
1607		2177
…		…
1613	return if $self->{deny_save};	2183	return if $self->{deny_save};
1614		2184
1615	local $self->{last_access} = $self->last_access;#d#	2185	local $self->{last_access} = $self->last_access;#d#
1616		2186
1617	cf::async {	2187	cf::async {
		2188	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2189	$_->contr->save for $self->players;
1619	};	2190	};
1620		2191
1621	if ($uniq) {	2192	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1630	my ($self) = @_;	2201	my ($self) = @_;
1631		2202
1632	# save first because save cedes	2203	# save first because save cedes
1633	$self->save;	2204	$self->save;
1634		2205
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2207
1637	return if $self->players;	2208	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};	2210	return if $self->{deny_save};
1640		2211
		2212	$self->in_memory (cf::MAP_SWAPPED);
		2213
		2214	$self->deactivate;
		2215	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2216	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2217	}
1644		2218
1645	sub reset_at {	2219	sub reset_at {
1646	my ($self) = @_;	2220	my ($self) = @_;
1647		2221
1648	# TODO: safety, remove and allow resettable per-player maps	2222	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2223	return 1e99 if $self->{deny_reset};
1651		2224
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2225	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2226	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2227
…		…
1665	my ($self) = @_;	2238	my ($self) = @_;
1666		2239
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2241
1669	return if $self->players;	2242	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2243
1672	warn "resetting map ", $self->path;#d#	2244	warn "resetting map ", $self->path;
1673		2245
1674	$self->in_memory (cf::MAP_SWAPPED);	2246	$self->in_memory (cf::MAP_SWAPPED);
1675		2247
1676	# need to save uniques path	2248	# need to save uniques path
1677	unless ($self->{deny_save}) {	2249	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2253	if $uniq;
1682	}	2254	}
1683		2255
1684	delete $cf::MAP{$self->path};	2256	delete $cf::MAP{$self->path};
1685		2257
		2258	$self->deactivate;
		2259	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2260	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2261
1690	$self->unlink_save;	2262	$self->unlink_save;
1691	$self->destroy;	2263	$self->destroy;
1692	}	2264	}
1693		2265
1694	my $nuke_counter = "aaaa";	2266	my $nuke_counter = "aaaa";
1695		2267
1696	sub nuke {	2268	sub nuke {
1697	my ($self) = @_;	2269	my ($self) = @_;
1698		2270
		2271	{
		2272	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2273
1699	delete $cf::MAP{$self->path};	2274	delete $cf::MAP{$self->path};
1700		2275
1701	$self->unlink_save;	2276	$self->unlink_save;
1702		2277
1703	bless $self, "cf::map";	2278	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2279	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2280	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2281	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2282	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2283
1709	$cf::MAP{$self->path} = $self;	2284	$cf::MAP{$self->path} = $self;
		2285	}
1710		2286
1711	$self->reset; # polite request, might not happen	2287	$self->reset; # polite request, might not happen
		2288	}
		2289
		2290	=item $maps = cf::map::tmp_maps
		2291
		2292	Returns an arrayref with all map paths of currently instantiated and saved
		2293	maps. May block.
		2294
		2295	=cut
		2296
		2297	sub tmp_maps() {
		2298	[
		2299	map {
		2300	utf8::decode $_;
		2301	/\.map$/
		2302	? normalise $_
		2303	: ()
		2304	} @{ aio_readdir $TMPDIR or [] }
		2305	]
		2306	}
		2307
		2308	=item $maps = cf::map::random_maps
		2309
		2310	Returns an arrayref with all map paths of currently instantiated and saved
		2311	random maps. May block.
		2312
		2313	=cut
		2314
		2315	sub random_maps() {
		2316	[
		2317	map {
		2318	utf8::decode $_;
		2319	/\.map$/
		2320	? normalise "?random/$_"
		2321	: ()
		2322	} @{ aio_readdir $RANDOMDIR or [] }
		2323	]
1712	}	2324	}
1713		2325
1714	=item cf::map::unique_maps	2326	=item cf::map::unique_maps
1715		2327
1716	Returns an arrayref of paths of all shared maps that have	2328	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2329	instantiated unique items. May block.
1718		2330
1719	=cut	2331	=cut
1720		2332
1721	sub unique_maps() {	2333	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2334	[
1723	or return;	2335	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2336	utf8::decode $_;
1729	next if /\.pst$/;	2337	/\.map$/
1730	next unless /^$PATH_SEP/o;	2338	? normalise $_
1731		2339	: ()
1732	push @paths, cf::map::normalise $_;	2340	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2341	]
1734
1735	\@paths
1736	}	2342	}
1737		2343
1738	package cf;	2344	package cf;
1739		2345
1740	=back	2346	=back
…		…
1758	map { $_, inv_recursive_ $_->inv } @_	2364	map { $_, inv_recursive_ $_->inv } @_
1759	}	2365	}
1760		2366
1761	sub inv_recursive {	2367	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2368	inv_recursive_ inv $_[0]
		2369	}
		2370
		2371	=item $ref = $ob->ref
		2372
		2373	creates and returns a persistent reference to an objetc that can be stored as a string.
		2374
		2375	=item $ob = cf::object::deref ($refstring)
		2376
		2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2378	even if the object actually exists. May block.
		2379
		2380	=cut
		2381
		2382	sub deref {
		2383	my ($ref) = @_;
		2384
		2385	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2386	my ($uuid, $name) = ($1, $2);
		2387	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2388	or return;
		2389	$pl->ob->uuid eq $uuid
		2390	or return;
		2391
		2392	$pl->ob
		2393	} else {
		2394	warn "$ref: cannot resolve object reference\n";
		2395	undef
		2396	}
1763	}	2397	}
1764		2398
1765	package cf;	2399	package cf;
1766		2400
1767	=back	2401	=back
…		…
1786		2420
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2421	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2422
1789	if ($self->{record_replies}) {	2423	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2424	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2425
1791	} else {	2426	} else {
		2427	my $pl = $self->contr;
		2428
		2429	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2430	my $dialog = $pl->{npc_dialog};
		2431	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2432
		2433	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2434	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2435	$self->message ($msg, $flags);
		2436	}
1794	}	2437	}
		2438	}
		2439
		2440	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2441
		2442	=cut
		2443
		2444	sub cf::object::send_msg {
		2445	my $pl = shift->contr
		2446	or return;
		2447	$pl->send_msg (@_);
1795	}	2448	}
1796		2449
1797	=item $player_object->may ("access")	2450	=item $player_object->may ("access")
1798		2451
1799	Returns wether the given player is authorized to access resource "access"	2452	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1847		2500
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2502
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1852		2505
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2507	}
1855		2508
1856	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1858		2513
1859	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1860		2515
1861	unless ($map) {	2516	unless ($map) {
1862	# restore original map position	2517	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1879		2534
1880	$map->load;	2535	$map->load;
1881	$map->load_diag;	2536	$map->load_neighbours;
1882		2537
1883	return unless $self->contr->active;	2538	return unless $self->contr->active;
1884	$self->activate_recursive;	2539	$self->activate_recursive;
1885		2540
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2541	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2542	$self->enter_map ($map, $x, $y);
1888	}	2543	}
1889		2544
1890	cf::player->attach (	2545	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2546
1894	# abort map switching before logout	2547	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2548	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2549	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2550	the new (success) or old (failed) map position. In either case, $done will
1898	};	2551	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2552
1904	# try to abort aborted map switching on player login :)
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2553	=cut
		2554
		2555	our $GOTOGEN;
1925		2556
1926	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2558	my ($self, $path, $x, $y, $check, $done) = @_;
		2559
		2560	# do generation counting so two concurrent goto's will be executed in-order
		2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2562
1929	$self->enter_link;	2563	$self->enter_link;
1930		2564
1931	(async {	2565	(async {
		2566	$Coro::current->{desc} = "player::goto $path $x $y";
		2567
		2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
1932	my $map = eval {	2587	my $map = eval {
1933	my $map = cf::map::find $path;	2588	my $map = defined $path ? cf::map::find $path : undef;
		2589
		2590	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2591	$map = $map->customise_for ($self);
		2592	$map = $check->($map) if $check && $map;
		2593	} else {
		2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	}
		2596
1935	$map	2597	$map
		2598	};
		2599
		2600	if ($@) {
		2601	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2602	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2603	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2604
		2605	if ($gen == $self->{_goto_generation}) {
		2606	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
		2608	}
		2609
		2610	$done->() if $done;
1940	})->prio (1);	2611	})->prio (1);
1941	}	2612	}
1942		2613
1943	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
1944		2615
…		…
1981	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
1982	}	2653	}
1983		2654
1984	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
1985		2656
1986	my $data = cf::to_json $rmp;	2657	my $data = cf::encode_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
1989		2660
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2663	undef $fh;
1993	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
…		…
2013	my $hp = $exit->stats->hp;	2684	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2685	my $sp = $exit->stats->sp;
2015		2686
2016	$self->enter_link;	2687	$self->enter_link;
2017		2688
		2689	# if exit is damned, update players death & WoR home-position
		2690	$self->contr->savebed ($slaying, $hp, $sp)
		2691	if $exit->flag (FLAG_DAMNED);
		2692
2018	(async {	2693	(async {
		2694	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2695
2019	$self->deactivate_recursive; # just to be sure	2696	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2697	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2698	$self->goto ($slaying, $hp, $sp);
2022		2699
2023	1;	2700	1;
…		…
2049		2726
2050	utf8::encode $text;	2727	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2729	}
2053		2730
		2731	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2732
		2733	Send a drawinfo or msg packet to the client, formatting the msg for the
		2734	client if neccessary. C<$type> should be a string identifying the type of
		2735	the message, with C<log> being the default. If C<$color> is negative, suppress
		2736	the message unless the client supports the msg packet.
		2737
		2738	=cut
		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/uptime" => {
		2779	id => "infobox",
		2780	title => "Uptime",
		2781	reply => undef,
		2782	tooltip => "How long the server has been running since last restart",
		2783	},
		2784	"c/mapinfo" => {
		2785	id => "infobox",
		2786	title => "Map Info",
		2787	reply => undef,
		2788	tooltip => "Information related to the maps",
		2789	},
		2790	);
		2791
		2792	sub cf::client::send_msg {
		2793	my ($self, $channel, $msg, $color, @extra) = @_;
		2794
		2795	$msg = $self->pl->expand_cfpod ($msg);
		2796
		2797	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2798
		2799	# check predefined channels, for the benefit of C
		2800	if ($CHANNEL{$channel}) {
		2801	$channel = $CHANNEL{$channel};
		2802
		2803	$self->ext_msg (channel_info => $channel)
		2804	if $self->can_msg;
		2805
		2806	$channel = $channel->{id};
		2807
		2808	} elsif (ref $channel) {
		2809	# send meta info to client, if not yet sent
		2810	unless (exists $self->{channel}{$channel->{id}}) {
		2811	$self->{channel}{$channel->{id}} = $channel;
		2812	$self->ext_msg (channel_info => $channel)
		2813	if $self->can_msg;
		2814	}
		2815
		2816	$channel = $channel->{id};
		2817	}
		2818
		2819	return unless @extra || length $msg;
		2820
		2821	if ($self->can_msg) {
		2822	# default colour, mask it out
		2823	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2824	if $color & cf::NDI_DEF;
		2825
		2826	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2827	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2828	} else {
		2829	if ($color >= 0) {
		2830	# replace some tags by gcfclient-compatible ones
		2831	for ($msg) {
		2832	1 while
		2833	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2834	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2835	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2836	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2837	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2838	}
		2839
		2840	$color &= cf::NDI_COLOR_MASK;
		2841
		2842	utf8::encode $msg;
		2843
		2844	if (0 && $msg =~ /\[/) {
		2845	# COMMAND/INFO
		2846	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2847	} else {
		2848	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2849	$self->send_packet ("drawinfo $color $msg")
		2850	}
		2851	}
		2852	}
		2853	}
		2854
2054	=item $client->ext_event ($type, %msg)	2855	=item $client->ext_msg ($type, @msg)
2055		2856
2056	Sends an exti event to the client.	2857	Sends an ext event to the client.
2057		2858
2058	=cut	2859	=cut
2059		2860
2060	sub cf::client::ext_event($$%) {	2861	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2862	my ($self, $type, @msg) = @_;
2062		2863
		2864	if ($self->extcmd == 2) {
		2865	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2866	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2867	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2868	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2869	}
		2870	}
		2871
		2872	=item $client->ext_reply ($msgid, @msg)
		2873
		2874	Sends an ext reply to the client.
		2875
		2876	=cut
		2877
		2878	sub cf::client::ext_reply($$@) {
		2879	my ($self, $id, @msg) = @_;
		2880
		2881	if ($self->extcmd == 2) {
		2882	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2883	} elsif ($self->extcmd == 1) {
		2884	#TODO: version 1, remove
		2885	unshift @msg, msgtype => "reply", msgid => $id;
		2886	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2887	}
2065	}	2888	}
2066		2889
2067	=item $success = $client->query ($flags, "text", \&cb)	2890	=item $success = $client->query ($flags, "text", \&cb)
2068		2891
2069	Queues a query to the client, calling the given callback with	2892	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2893	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2894	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2895
2073	Queries can fail, so check the return code. Or don't, as queries will become	2896	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2897	become reliable at some point in the future.
2075		2898
2076	=cut	2899	=cut
2077		2900
2078	sub cf::client::query {	2901	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2902	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2910	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2911	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2912
2090	$self->send_packet ($self->{query_queue}[0][0])	2913	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2914	if @{ $self->{query_queue} } == 1;
		2915
		2916	1
2092	}	2917	}
2093		2918
2094	cf::client->attach (	2919	cf::client->attach (
		2920	on_connect => sub {
		2921	my ($ns) = @_;
		2922
		2923	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2924	},
2095	on_reply => sub {	2925	on_reply => sub {
2096	my ($ns, $msg) = @_;	2926	my ($ns, $msg) = @_;
2097		2927
2098	# this weird shuffling is so that direct followup queries	2928	# this weird shuffling is so that direct followup queries
2099	# get handled first	2929	# get handled first
…		…
2111	} else {	2941	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2942	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2943	}
2114	}	2944	}
2115	},	2945	},
		2946	on_exticmd => sub {
		2947	my ($ns, $buf) = @_;
		2948
		2949	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2950
		2951	if (ref $msg) {
		2952	my ($type, $reply, @payload) =
		2953	"ARRAY" eq ref $msg
		2954	? @$msg
		2955	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2956
		2957	my @reply;
		2958
		2959	if (my $cb = $EXTICMD{$type}) {
		2960	@reply = $cb->($ns, @payload);
		2961	}
		2962
		2963	$ns->ext_reply ($reply, @reply)
		2964	if $reply;
		2965
		2966	} else {
		2967	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2968	}
		2969
		2970	cf::override;
		2971	},
2116	);	2972	);
2117		2973
2118	=item $client->async (\&cb)	2974	=item $client->async (\&cb)
2119		2975
2120	Create a new coroutine, running the specified callback. The coroutine will	2976	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3017	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3018	our $safe_hole = new Safe::Hole;
2163		3019
2164	$SIG{FPE} = 'IGNORE';	3020	$SIG{FPE} = 'IGNORE';
2165		3021
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3022	$safe->permit_only (Opcode::opset qw(
		3023	:base_core :base_mem :base_orig :base_math
		3024	grepstart grepwhile mapstart mapwhile
		3025	sort time
		3026	));
2167		3027
2168	# here we export the classes and methods available to script code	3028	# here we export the classes and methods available to script code
2169		3029
2170	=pod	3030	=pod
2171		3031
2172	The following functions and methods are available within a safe environment:	3032	The following functions and methods are available within a safe environment:
2173		3033
2174	cf::object contr pay_amount pay_player map	3034	cf::object
		3035	contr pay_amount pay_player map x y force_find force_add destroy
		3036	insert remove name archname title slaying race decrease_ob_nr
		3037
2175	cf::object::player player	3038	cf::object::player
2176	cf::player peaceful	3039	player
2177	cf::map trigger	3040
		3041	cf::player
		3042	peaceful
		3043
		3044	cf::map
		3045	trigger
2178		3046
2179	=cut	3047	=cut
2180		3048
2181	for (	3049	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3050	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3051	insert remove inv name archname title slaying race
		3052	decrease_ob_nr destroy)],
2183	["cf::object::player" => qw(player)],	3053	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3054	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3055	["cf::map" => qw(trigger)],
2186	) {	3056	) {
2187	no strict 'refs';	3057	no strict 'refs';
…		…
2258	=back	3128	=back
2259		3129
2260	=cut	3130	=cut
2261		3131
2262	#############################################################################	3132	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	3133	# the server's init and main functions
2336		3134
2337	sub load_facedata {	3135	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3136	my ($path) = @_;
		3137
		3138	# HACK to clear player env face cache, we need some signal framework
		3139	# for this (global event?)
		3140	%ext::player_env::MUSIC_FACE_CACHE = ();
		3141
		3142	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3143
2340	warn "loading facedata from $path\n";	3144	warn "loading facedata from $path\n";
2341		3145
2342	my $facedata;	3146	my $facedata;
2343	0 < aio_load $path, $facedata	3147	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3150	$facedata = Coro::Storable::thaw $facedata;
2347		3151
2348	$facedata->{version} == 2	3152	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3153	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3154
		3155	# patch in the exptable
		3156	$facedata->{resource}{"res/exp_table"} = {
		3157	type => FT_RSRC,
		3158	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3159	};
		3160	cf::cede_to_tick;
		3161
2351	{	3162	{
2352	my $faces = $facedata->{faceinfo};	3163	my $faces = $facedata->{faceinfo};
2353		3164
2354	while (my ($face, $info) = each %$faces) {	3165	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3166	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3167
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3168	cf::face::set_visibility $idx, $info->{visibility};
		3169	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3170	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3171	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3172
		3173	cf::cede_to_tick;
2360	}	3174	}
2361		3175
2362	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3177	next unless $info->{smooth};
		3178
2364	my $idx = cf::face::find $face	3179	my $idx = cf::face::find $face
2365	or next;	3180	or next;
		3181
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3182	if (my $smooth = cf::face::find $info->{smooth}) {
		3183	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3184	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3185	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3186	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3187	}
2371	Coro::cede;	3188
		3189	cf::cede_to_tick;
2372	}	3190	}
2373	}	3191	}
2374		3192
2375	{	3193	{
2376	my $anims = $facedata->{animinfo};	3194	my $anims = $facedata->{animinfo};
2377		3195
2378	while (my ($anim, $info) = each %$anims) {	3196	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3197	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3198	cf::cede_to_tick;
2381	}	3199	}
2382		3200
2383	cf::anim::invalidate_all; # d'oh	3201	cf::anim::invalidate_all; # d'oh
2384	}	3202	}
2385		3203
		3204	{
		3205	# TODO: for gcfclient pleasure, we should give resources
		3206	# that gcfclient doesn't grok a >10000 face index.
		3207	my $res = $facedata->{resource};
		3208
		3209	while (my ($name, $info) = each %$res) {
		3210	if (defined $info->{type}) {
		3211	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3212	my $data;
		3213
		3214	if ($info->{type} & 1) {
		3215	# prepend meta info
		3216
		3217	my $meta = $enc->encode ({
		3218	name => $name,
		3219	%{ $info->{meta} || {} },
		3220	});
		3221
		3222	$data = pack "(w/a*)*", $meta, $info->{data};
		3223	} else {
		3224	$data = $info->{data};
		3225	}
		3226
		3227	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3228	cf::face::set_type $idx, $info->{type};
		3229	} else {
		3230	$RESOURCE{$name} = $info;
		3231	}
		3232
		3233	cf::cede_to_tick;
		3234	}
		3235	}
		3236
		3237	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3238
2386	1	3239	1
2387	}	3240	}
2388		3241
		3242	cf::global->attach (on_resource_update => sub {
		3243	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3244	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3245
		3246	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3247	my $sound = $soundconf->{compat}[$_]
		3248	or next;
		3249
		3250	my $face = cf::face::find "sound/$sound->[1]";
		3251	cf::sound::set $sound->[0] => $face;
		3252	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3253	}
		3254
		3255	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3256	my $face = cf::face::find "sound/$v";
		3257	cf::sound::set $k => $face;
		3258	}
		3259	}
		3260	});
		3261
		3262	register_exticmd fx_want => sub {
		3263	my ($ns, $want) = @_;
		3264
		3265	while (my ($k, $v) = each %$want) {
		3266	$ns->fx_want ($k, $v);
		3267	}
		3268	};
		3269
		3270	sub reload_regions {
		3271	# HACK to clear player env face cache, we need some signal framework
		3272	# for this (global event?)
		3273	%ext::player_env::MUSIC_FACE_CACHE = ();
		3274
		3275	load_resource_file "$MAPDIR/regions"
		3276	or die "unable to load regions file\n";
		3277
		3278	for (cf::region::list) {
		3279	$_->{match} = qr/$_->{match}/
		3280	if exists $_->{match};
		3281	}
		3282	}
		3283
		3284	sub reload_facedata {
		3285	load_facedata "$DATADIR/facedata"
		3286	or die "unable to load facedata\n";
		3287	}
		3288
2389	sub load_archetypes {	3289	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3290	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	3291	or die "unable to load archetypes\n";
		3292	#d# NEED to laod twice to resolve forward references
		3293	# this really needs to be done in an extra post-pass
		3294	# (which needs to be synchronous, so solve it differently)
		3295	load_resource_file "$DATADIR/archetypes"
		3296	or die "unable to load archetypes\n";
2392	}	3297	}
2393		3298
2394	sub load_treasures {	3299	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	3300	load_resource_file "$DATADIR/treasures"
		3301	or die "unable to load treasurelists\n";
2396	}	3302	}
2397		3303
2398	sub reload_resources {	3304	sub reload_resources {
2399	warn "reloading resource files...\n";	3305	warn "reloading resource files...\n";
2400		3306
2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3307	reload_regions;
2402	or die "unable to load regions file\n";
2403	load_facedata	3308	reload_facedata;
2404	or die "unable to load facedata\n";	3309	#reload_archetypes;#d#
2405	load_archetypes	3310	reload_archetypes;
2406	or die "unable to load archetypes\n";
2407	load_treasures	3311	reload_treasures;
2408	or die "unable to load treasurelists\n";
2409		3312
2410	warn "finished reloading resource files\n";	3313	warn "finished reloading resource files\n";
2411	}	3314	}
2412		3315
2413	sub init {	3316	sub init {
2414	reload_resources;	3317	reload_resources;
2415	}	3318	}
2416		3319
2417	sub cfg_load {	3320	sub reload_config {
2418	open my $fh, "<:utf8", cf::confdir . "/config"	3321	open my $fh, "<:utf8", "$CONFDIR/config"
2419	or return;	3322	or return;
2420		3323
2421	local $/;	3324	local $/;
2422	*CFG = YAML::Syck::Load <$fh>;	3325	*CFG = YAML::Load <$fh>;
2423		3326
2424	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3327	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2425		3328
2426	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3329	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2427	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3330	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2438	sub main {	3341	sub main {
2439	# we must not ever block the main coroutine	3342	# we must not ever block the main coroutine
2440	local $Coro::idle = sub {	3343	local $Coro::idle = sub {
2441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3344	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2442	(async {	3345	(async {
2443	Event::one_event;	3346	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3347	EV::loop EV::LOOP_ONESHOT;
2444	})->prio (Coro::PRIO_MAX);	3348	})->prio (Coro::PRIO_MAX);
2445	};	3349	};
2446		3350
2447	cfg_load;	3351	reload_config;
2448	db_init;	3352	db_init;
2449	load_extensions;	3353	load_extensions;
2450		3354
2451	$TICK_WATCHER->start;	3355	$TICK_WATCHER->start;
		3356	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2452	Event::loop;	3357	EV::loop;
2453	}	3358	}
2454		3359
2455	#############################################################################	3360	#############################################################################
2456	# initialisation and cleanup	3361	# initialisation and cleanup
2457		3362
2458	# install some emergency cleanup handlers	3363	# install some emergency cleanup handlers
2459	BEGIN {	3364	BEGIN {
		3365	our %SIGWATCHER = ();
2460	for my $signal (qw(INT HUP TERM)) {	3366	for my $signal (qw(INT HUP TERM)) {
2461	Event->signal (	3367	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2462	reentrant => 0,
2463	data => WF_AUTOCANCEL,
2464	signal => $signal,
2465	prio => 0,
2466	cb => sub {
2467	cf::cleanup "SIG$signal";	3368	cf::cleanup "SIG$signal";
2468	},
2469	);	3369	};
		3370	}
		3371	}
		3372
		3373	sub write_runtime {
		3374	my $runtime = "$LOCALDIR/runtime";
		3375
		3376	# first touch the runtime file to show we are still running:
		3377	# the fsync below can take a very very long time.
		3378
		3379	IO::AIO::aio_utime $runtime, undef, undef;
		3380
		3381	my $guard = cf::lock_acquire "write_runtime";
		3382
		3383	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3384	or return;
		3385
		3386	my $value = $cf::RUNTIME + 90 + 10;
		3387	# 10 is the runtime save interval, for a monotonic clock
		3388	# 60 allows for the watchdog to kill the server.
		3389
		3390	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3391	and return;
		3392
		3393	# always fsync - this file is important
		3394	aio_fsync $fh
		3395	and return;
		3396
		3397	# touch it again to show we are up-to-date
		3398	aio_utime $fh, undef, undef;
		3399
		3400	close $fh
		3401	or return;
		3402
		3403	aio_rename "$runtime~", $runtime
		3404	and return;
		3405
		3406	warn "runtime file written.\n";
		3407
2470	}	3408	1
2471	}	3409	}
2472		3410
2473	sub emergency_save() {	3411	sub emergency_save() {
2474	my $freeze_guard = cf::freeze_mainloop;	3412	my $freeze_guard = cf::freeze_mainloop;
2475		3413
…		…
2481	# and maps saved/destroyed asynchronously.	3419	# and maps saved/destroyed asynchronously.
2482	warn "begin emergency player save\n";	3420	warn "begin emergency player save\n";
2483	for my $login (keys %cf::PLAYER) {	3421	for my $login (keys %cf::PLAYER) {
2484	my $pl = $cf::PLAYER{$login} or next;	3422	my $pl = $cf::PLAYER{$login} or next;
2485	$pl->valid or next;	3423	$pl->valid or next;
		3424	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2486	$pl->save;	3425	$pl->save;
2487	}	3426	}
2488	warn "end emergency player save\n";	3427	warn "end emergency player save\n";
2489		3428
2490	warn "begin emergency map save\n";	3429	warn "begin emergency map save\n";
…		…
2508		3447
2509	warn Carp::longmess "post_cleanup backtrace"	3448	warn Carp::longmess "post_cleanup backtrace"
2510	if $make_core;	3449	if $make_core;
2511	}	3450	}
2512		3451
2513	sub reload() {	3452	sub do_reload_perl() {
2514	# can/must only be called in main	3453	# can/must only be called in main
2515	if ($Coro::current != $Coro::main) {	3454	if ($Coro::current != $Coro::main) {
2516	warn "can only reload from main coroutine";	3455	warn "can only reload from main coroutine";
2517	return;	3456	return;
2518	}	3457	}
…		…
2529	warn "syncing database to disk";	3468	warn "syncing database to disk";
2530	BDB::db_env_txn_checkpoint $DB_ENV;	3469	BDB::db_env_txn_checkpoint $DB_ENV;
2531		3470
2532	# if anything goes wrong in here, we should simply crash as we already saved	3471	# if anything goes wrong in here, we should simply crash as we already saved
2533		3472
2534	warn "cancelling all WF_AUTOCANCEL watchers";
2535	for (Event::all_watchers) {
2536	$_->cancel if $_->data & WF_AUTOCANCEL;
2537	}
2538
2539	warn "flushing outstanding aio requests";	3473	warn "flushing outstanding aio requests";
2540	for (;;) {	3474	for (;;) {
2541	BDB::flush;	3475	BDB::flush;
2542	IO::AIO::flush;	3476	IO::AIO::flush;
2543	Coro::cede;	3477	Coro::cede_notself;
2544	last unless IO::AIO::nreqs || BDB::nreqs;	3478	last unless IO::AIO::nreqs || BDB::nreqs;
2545	warn "iterate...";	3479	warn "iterate...";
2546	}	3480	}
2547		3481
2548	++$RELOAD;	3482	++$RELOAD;
…		…
2552	%EXT_CORO = ();	3486	%EXT_CORO = ();
2553		3487
2554	warn "removing commands";	3488	warn "removing commands";
2555	%COMMAND = ();	3489	%COMMAND = ();
2556		3490
2557	warn "removing ext commands";	3491	warn "removing ext/exti commands";
2558	%EXTCMD = ();	3492	%EXTCMD = ();
		3493	%EXTICMD = ();
2559		3494
2560	warn "unloading/nuking all extensions";	3495	warn "unloading/nuking all extensions";
2561	for my $pkg (@EXTS) {	3496	for my $pkg (@EXTS) {
2562	warn "... unloading $pkg";	3497	warn "... unloading $pkg";
2563		3498
…		…
2593	Symbol::delete_package "safe::$_"	3528	Symbol::delete_package "safe::$_"
2594	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3529	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2595		3530
2596	warn "unloading cf.pm \"a bit\"";	3531	warn "unloading cf.pm \"a bit\"";
2597	delete $INC{"cf.pm"};	3532	delete $INC{"cf.pm"};
		3533	delete $INC{"cf/pod.pm"};
2598		3534
2599	# don't, removes xs symbols, too,	3535	# don't, removes xs symbols, too,
2600	# and global variables created in xs	3536	# and global variables created in xs
2601	#Symbol::delete_package __PACKAGE__;	3537	#Symbol::delete_package __PACKAGE__;
2602		3538
…		…
2605	warn "reloading cf.pm";	3541	warn "reloading cf.pm";
2606	require cf;	3542	require cf;
2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3543	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2608		3544
2609	warn "loading config and database again";	3545	warn "loading config and database again";
2610	cf::cfg_load;	3546	cf::reload_config;
2611		3547
2612	warn "loading extensions";	3548	warn "loading extensions";
2613	cf::load_extensions;	3549	cf::load_extensions;
2614		3550
2615	warn "reattaching attachments to objects/players";	3551	warn "reattaching attachments to objects/players";
…		…
2617	warn "reattaching attachments to maps";	3553	warn "reattaching attachments to maps";
2618	reattach $_ for values %MAP;	3554	reattach $_ for values %MAP;
2619	warn "reattaching attachments to players";	3555	warn "reattaching attachments to players";
2620	reattach $_ for values %PLAYER;	3556	reattach $_ for values %PLAYER;
2621		3557
2622	warn "loading reloadable resources";
2623	reload_resources;
2624
2625	warn "leaving sync_job";	3558	warn "leaving sync_job";
2626		3559
2627	1	3560	1
2628	} or do {	3561	} or do {
2629	warn $@;	3562	warn $@;
…		…
2634	warn "reloaded";	3567	warn "reloaded";
2635	};	3568	};
2636		3569
2637	our $RELOAD_WATCHER; # used only during reload	3570	our $RELOAD_WATCHER; # used only during reload
2638		3571
		3572	sub reload_perl() {
		3573	# doing reload synchronously and two reloads happen back-to-back,
		3574	# coro crashes during coro_state_free->destroy here.
		3575
		3576	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3577	do_reload_perl;
		3578	undef $RELOAD_WATCHER;
		3579	};
		3580	}
		3581
2639	register_command "reload" => sub {	3582	register_command "reload" => sub {
2640	my ($who, $arg) = @_;	3583	my ($who, $arg) = @_;
2641		3584
2642	if ($who->flag (FLAG_WIZ)) {	3585	if ($who->flag (FLAG_WIZ)) {
2643	$who->message ("reloading server.");	3586	$who->message ("reloading server.");
2644		3587	async {
2645	# doing reload synchronously and two reloads happen back-to-back,	3588	$Coro::current->{desc} = "perl_reload";
2646	# coro crashes during coro_state_free->destroy here.
2647
2648	$RELOAD_WATCHER ||= Event->timer (
2649	reentrant => 0,
2650	after => 0,
2651	data => WF_AUTOCANCEL,
2652	cb => sub {
2653	reload;	3589	reload_perl;
2654	undef $RELOAD_WATCHER;
2655	},
2656	);	3590	};
2657	}	3591	}
2658	};	3592	};
2659		3593
2660	unshift @INC, $LIBDIR;	3594	unshift @INC, $LIBDIR;
2661		3595
…		…
2680	my $signal = new Coro::Signal;	3614	my $signal = new Coro::Signal;
2681	push @WAIT_FOR_TICK_BEGIN, $signal;	3615	push @WAIT_FOR_TICK_BEGIN, $signal;
2682	$signal->wait;	3616	$signal->wait;
2683	}	3617	}
2684		3618
2685	$TICK_WATCHER = Event->timer (	3619	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2686	reentrant => 0,
2687	parked => 1,
2688	prio => 0,
2689	at => $NEXT_TICK || $TICK,
2690	data => WF_AUTOCANCEL,
2691	cb => sub {
2692	if ($Coro::current != $Coro::main) {	3620	if ($Coro::current != $Coro::main) {
2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3621	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694	unless ++$bug_warning > 10;	3622	unless ++$bug_warning > 10;
2695	return;	3623	return;
2696	}	3624	}
2697		3625
2698	$NOW = Event::time;	3626	$NOW = $tick_start = EV::now;
2699		3627
2700	cf::server_tick; # one server iteration	3628	cf::server_tick; # one server iteration
2701		3629
2702	$RUNTIME += $TICK;	3630	$RUNTIME += $TICK;
2703	$NEXT_TICK += $TICK;	3631	$NEXT_TICK = $_[0]->at;
2704		3632
2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3633	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2706	$NEXT_RUNTIME_WRITE = $NOW + 10;	3634	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2707	Coro::async_pool {	3635	Coro::async_pool {
		3636	$Coro::current->{desc} = "runtime saver";
2708	write_runtime	3637	write_runtime
2709	or warn "ERROR: unable to write runtime file: $!";	3638	or warn "ERROR: unable to write runtime file: $!";
2710	};
2711	}	3639	};
		3640	}
2712		3641
2713	# my $AFTER = Event::time;
2714	# warn $AFTER - $NOW;#d#
2715
2716	# if we are delayed by four ticks or more, skip them all
2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2718
2719	$TICK_WATCHER->at ($NEXT_TICK);
2720	$TICK_WATCHER->start;
2721
2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3642	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2723	$sig->send;	3643	$sig->send;
2724	}	3644	}
2725	while (my $sig = shift @WAIT_FOR_TICK) {	3645	while (my $sig = shift @WAIT_FOR_TICK) {
2726	$sig->send;	3646	$sig->send;
2727	}	3647	}
2728		3648
		3649	$LOAD = ($NOW - $tick_start) / $TICK;
		3650	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3651
2729	_post_tick;	3652	_post_tick;
2730	},	3653	};
2731	);	3654	$TICK_WATCHER->priority (EV::MAXPRI);
2732		3655
2733	{	3656	{
2734	BDB::max_poll_time $TICK * 0.1;	3657	# configure BDB
2735	$BDB_POLL_WATCHER = Event->io (	3658
2736	reentrant => 0,
2737	fd => BDB::poll_fileno,
2738	poll => 'r',
2739	prio => 0,
2740	data => WF_AUTOCANCEL,
2741	cb => \&BDB::poll_cb,
2742	);
2743	BDB::min_parallel 8;	3659	BDB::min_parallel 8;
2744		3660	BDB::max_poll_reqs $TICK * 0.1;
2745	BDB::set_sync_prepare {	3661	$Coro::BDB::WATCHER->priority (1);
2746	my $status;
2747	my $current = $Coro::current;
2748	(
2749	sub {
2750	$status = $!;
2751	$current->ready; undef $current;
2752	},
2753	sub {
2754	Coro::schedule while defined $current;
2755	$! = $status;
2756	},
2757	)
2758	};
2759		3662
2760	unless ($DB_ENV) {	3663	unless ($DB_ENV) {
2761	$DB_ENV = BDB::db_env_create;	3664	$DB_ENV = BDB::db_env_create;
		3665	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3666	| BDB::LOG_AUTOREMOVE, 1);
		3667	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3668	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2762		3669
2763	cf::sync_job {	3670	cf::sync_job {
2764	eval {	3671	eval {
2765	BDB::db_env_open	3672	BDB::db_env_open
2766	$DB_ENV,	3673	$DB_ENV,
2767	$BDB_ENV_DIR,	3674	$BDBDIR,
2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3675	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3676	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770	0666;	3677	0666;
2771		3678
2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3679	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2773
2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775	$DB_ENV->set_lk_detect;
2776	};	3680	};
2777		3681
2778	cf::cleanup "db_env_open(db): $@" if $@;	3682	cf::cleanup "db_env_open(db): $@" if $@;
2779	};	3683	};
2780	}	3684	}
		3685
		3686	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3687	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3688	};
		3689	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3690	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3691	};
		3692	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3693	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3694	};
2781	}	3695	}
2782		3696
2783	{	3697	{
		3698	# configure IO::AIO
		3699
2784	IO::AIO::min_parallel 8;	3700	IO::AIO::min_parallel 8;
2785
2786	undef $Coro::AIO::WATCHER;
2787	IO::AIO::max_poll_time $TICK * 0.1;	3701	IO::AIO::max_poll_time $TICK * 0.1;
2788	$AIO_POLL_WATCHER = Event->io (	3702	$Coro::AIO::WATCHER->priority (1);
2789	reentrant => 0,
2790	data => WF_AUTOCANCEL,
2791	fd => IO::AIO::poll_fileno,
2792	poll => 'r',
2793	prio => 6,
2794	cb => \&IO::AIO::poll_cb,
2795	);
2796	}	3703	}
		3704
		3705	my $_log_backtrace;
		3706
		3707	sub _log_backtrace {
		3708	my ($msg, @addr) = @_;
		3709
		3710	$msg =~ s/\n//;
		3711
		3712	# limit the # of concurrent backtraces
		3713	if ($_log_backtrace < 2) {
		3714	++$_log_backtrace;
		3715	async {
		3716	$Coro::current->{desc} = "abt $msg";
		3717
		3718	my @bt = fork_call {
		3719	@addr = map { sprintf "%x", $_ } @addr;
		3720	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3721	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3722	or die "addr2line: $!";
		3723
		3724	my @funcs;
		3725	my @res = <$fh>;
		3726	chomp for @res;
		3727	while (@res) {
		3728	my ($func, $line) = splice @res, 0, 2, ();
		3729	push @funcs, "[$func] $line";
		3730	}
		3731
		3732	@funcs
		3733	};
		3734
		3735	LOG llevInfo, "[ABT] $msg\n";
		3736	LOG llevInfo, "[ABT] $_\n" for @bt;
		3737	--$_log_backtrace;
		3738	};
		3739	} else {
		3740	LOG llevInfo, "[ABT] $msg\n";
		3741	LOG llevInfo, "[ABT] [suppressed]\n";
		3742	}
		3743	}
		3744
		3745	# load additional modules
		3746	use cf::pod;
2797		3747
2798	END { cf::emergency_save }	3748	END { cf::emergency_save }
2799		3749
2800	1	3750	1
2801		3751

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