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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.238 by root, Sat Apr 14 07:23:00 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 3.52 ();	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";
58		59
59	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71	our %RESOURCE;
		72
		73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
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
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		95
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $tick_start; # for load detecting purposes
		102
87	binmode STDOUT;	103	binmode STDOUT;
88	binmode STDERR;	104	binmode STDERR;
89		105
90	# read virtual server time, if available	106	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
95	}	111	}
96		112
97	mkdir cf::localdir;	113	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		115
104	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
105		117
106	sub cf::map::normalise;	118	sub cf::map::normalise;
107		119
…		…
118	=item $cf::RUNTIME	130	=item $cf::RUNTIME
119		131
120	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
121	every server tick.	133	every server tick.
122		134
123	=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
124		138
125	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		143
128	=item $cf::NOW	144	=item $cf::NOW
129		145
130	The time of the last (current) server tick.	146	The time of the last (current) server tick.
131		147
132	=item $cf::TICK	148	=item $cf::TICK
133		149
134	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
135		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
136	=item %cf::CFG	162	=item %cf::CFG
137		163
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	165	from wherever your confdir points to.
140		166
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		168
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
145	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
147		178
148	=back	179	=back
149		180
150	=cut	181	=cut
151		182
152	BEGIN {	183	BEGIN {
153	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	185	my $msg = join "", @_;
155	utf8::encode $msg;
156		186
157	$msg .= "\n"	187	$msg .= "\n"
158	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
159		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
160	LOG llevError, $msg;	192	LOG llevError, $msg;
161	};	193	};
162	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	return unless $^S eq 0; # "eq", not "=="
		198
		199	if ($Coro::current == $Coro::main) {#d#
		200	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		201	return;#d#
		202	}#d#
		203
		204	# kill coroutine otherwise
		205	warn Carp::longmess $_[0];
		206	Coro::terminate
		207	};
		208
		209	$SIG{__DIE__} = sub { }; #d#?
163		210
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	215	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		216	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	217	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		218
171	# we bless all objects into (empty) derived classes to force a method lookup	219	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	220	# within the Safe compartment.
173	for my $pkg (qw(	221	for my $pkg (qw(
174	cf::global cf::attachable	222	cf::global cf::attachable
…		…
179	)) {	227	)) {
180	no strict 'refs';	228	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	230	}
183		231
184	$Event::DIED = sub {	232	$EV::DIED = sub {
185	warn "error in event callback: @_";	233	warn "error in event callback: @_";
186	};	234	};
		235
		236	#############################################################################
187		237
188	=head2 UTILITY FUNCTIONS	238	=head2 UTILITY FUNCTIONS
189		239
190	=over 4	240	=over 4
191		241
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	260	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	261	$d
212	} || "[unable to dump $_[0]: '$@']";	262	} || "[unable to dump $_[0]: '$@']";
213	}	263	}
214		264
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	265	=item $ref = cf::decode_json $json
218		266
219	Converts a JSON string into the corresponding perl data structure.	267	Converts a JSON string into the corresponding perl data structure.
220		268
221	=item $json = cf::to_json $ref	269	=item $json = cf::encode_json $ref
222		270
223	Converts a perl data structure into its JSON representation.	271	Converts a perl data structure into its JSON representation.
		272
		273	=cut
		274
		275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		276
		277	sub encode_json($) { $json_coder->encode ($_[0]) }
		278	sub decode_json($) { $json_coder->decode ($_[0]) }
224		279
225	=item cf::lock_wait $string	280	=item cf::lock_wait $string
226		281
227	Wait until the given lock is available. See cf::lock_acquire.	282	Wait until the given lock is available. See cf::lock_acquire.
228		283
…		…
231	Wait until the given lock is available and then acquires it and returns	286	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	287	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	288	for example when the coroutine gets canceled), the lock is automatically
234	returned.	289	returned.
235		290
		291	Locks are *not* recursive, locking from the same coro twice results in a
		292	deadlocked coro.
		293
236	Lock names should begin with a unique identifier (for example, cf::map::find	294	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	295	uses map_find and cf::map::load uses map_load).
238		296
		297	=item $locked = cf::lock_active $string
		298
		299	Return true if the lock is currently active, i.e. somebody has locked it.
		300
239	=cut	301	=cut
240		302
241	our %LOCK;	303	our %LOCK;
		304	our %LOCKER;#d#
242		305
243	sub lock_wait($) {	306	sub lock_wait($) {
244	my ($key) = @_;	307	my ($key) = @_;
		308
		309	if ($LOCKER{$key} == $Coro::current) {#d#
		310	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		311	return;#d#
		312	}#d#
245		313
246	# wait for lock, if any	314	# wait for lock, if any
247	while ($LOCK{$key}) {	315	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	316	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	317	Coro::schedule;
…		…
255		323
256	# wait, to be sure we are not locked	324	# wait, to be sure we are not locked
257	lock_wait $key;	325	lock_wait $key;
258		326
259	$LOCK{$key} = [];	327	$LOCK{$key} = [];
		328	$LOCKER{$key} = $Coro::current;#d#
260		329
261	Coro::guard {	330	Coro::guard {
		331	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	332	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	333	$_->ready for @{ delete $LOCK{$key} };
264	}	334	}
		335	}
		336
		337	sub lock_active($) {
		338	my ($key) = @_;
		339
		340	! ! $LOCK{$key}
265	}	341	}
266		342
267	sub freeze_mainloop {	343	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	344	return unless $TICK_WATCHER->is_active;
269		345
…		…
272	};	348	};
273	$TICK_WATCHER->stop;	349	$TICK_WATCHER->stop;
274	$guard	350	$guard
275	}	351	}
276		352
		353	=item cf::periodic $interval, $cb
		354
		355	Like EV::periodic, but randomly selects a starting point so that the actions
		356	get spread over timer.
		357
		358	=cut
		359
		360	sub periodic($$) {
		361	my ($interval, $cb) = @_;
		362
		363	my $start = rand List::Util::min 180, $interval;
		364
		365	EV::periodic $start, $interval, 0, $cb
		366	}
		367
		368	=item cf::get_slot $time[, $priority[, $name]]
		369
		370	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		371	This call blocks and returns only when you have at least C<$time> seconds
		372	of cpu time till the next tick. The slot is only valid till the next cede.
		373
		374	The optional C<$name> can be used to identify the job to run. It might be
		375	used for statistical purposes and should identify the same time-class.
		376
		377	Useful for short background jobs.
		378
		379	=cut
		380
		381	our @SLOT_QUEUE;
		382	our $SLOT_QUEUE;
		383
		384	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		385	$SLOT_QUEUE = Coro::async {
		386	$Coro::current->desc ("timeslot manager");
		387
		388	my $signal = new Coro::Signal;
		389
		390	while () {
		391	next_job:
		392	my $avail = cf::till_tick;
		393	if ($avail > 0.01) {
		394	for (0 .. $#SLOT_QUEUE) {
		395	if ($SLOT_QUEUE[$_][0] < $avail) {
		396	my $job = splice @SLOT_QUEUE, $_, 1, ();
		397	$job->[2]->send;
		398	Coro::cede;
		399	goto next_job;
		400	}
		401	}
		402	}
		403
		404	if (@SLOT_QUEUE) {
		405	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		406	push @cf::WAIT_FOR_TICK, $signal;
		407	$signal->wait;
		408	} else {
		409	Coro::schedule;
		410	}
		411	}
		412	};
		413
		414	sub get_slot($;$$) {
		415	my ($time, $pri, $name) = @_;
		416
		417	$time = $TICK * .6 if $time > $TICK * .6;
		418	my $sig = new Coro::Signal;
		419
		420	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		421	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		422	$SLOT_QUEUE->ready;
		423	$sig->wait;
		424	}
		425
277	=item cf::async { BLOCK }	426	=item cf::async { BLOCK }
278		427
279	Currently the same as Coro::async_pool, meaning you cannot use	428	Currently the same as Coro::async_pool, meaning you cannot use
280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	429	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
281	thing you are allowed to do is call C<prio> on it.	430	thing you are allowed to do is call C<prio> on it.
…		…
284		433
285	BEGIN { *async = \&Coro::async_pool }	434	BEGIN { *async = \&Coro::async_pool }
286		435
287	=item cf::sync_job { BLOCK }	436	=item cf::sync_job { BLOCK }
288		437
289	The design of crossfire+ requires that the main coro ($Coro::main) is	438	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	439	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	440	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		441	acceptable.
292		442
293	If it must be done, put the blocking parts into C<sync_job>. This will run	443	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	444	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	445	server will be frozen during this time, so the block should either finish
296	fast or be very important.	446	fast or be very important.
…		…
299		449
300	sub sync_job(&) {	450	sub sync_job(&) {
301	my ($job) = @_;	451	my ($job) = @_;
302		452
303	if ($Coro::current == $Coro::main) {	453	if ($Coro::current == $Coro::main) {
		454	my $time = EV::time;
		455
304	# this is the main coro, too bad, we have to block	456	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	457	# till the operation succeeds, freezing the server :/
306		458
		459	LOG llevError, Carp::longmess "sync job";#d#
		460
307	# TODO: use suspend/resume instead	461	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	462	# (but this is cancel-safe)
309	my $freeze_guard = freeze_mainloop;	463	my $freeze_guard = freeze_mainloop;
310		464
311	my $busy = 1;	465	my $busy = 1;
312	my @res;	466	my @res;
313		467
314	(async {	468	(async {
		469	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	470	@res = eval { $job->() };
316	warn $@ if $@;	471	warn $@ if $@;
317	undef $busy;	472	undef $busy;
318	})->prio (Coro::PRIO_MAX);	473	})->prio (Coro::PRIO_MAX);
319		474
320	while ($busy) {	475	while ($busy) {
321	Coro::cede or Event::one_event;	476	if (Coro::nready) {
		477	Coro::cede_notself;
		478	} else {
		479	EV::loop EV::LOOP_ONESHOT;
322	}	480	}
		481	}
		482
		483	$time = EV::time - $time;
		484
		485	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		486	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		487
		488	$tick_start += $time; # do not account sync jobs to server load
323		489
324	wantarray ? @res : $res[0]	490	wantarray ? @res : $res[0]
325	} else {	491	} else {
326	# we are in another coroutine, how wonderful, everything just works	492	# we are in another coroutine, how wonderful, everything just works
327		493
…		…
347	$EXT_CORO{$coro+0} = $coro;	513	$EXT_CORO{$coro+0} = $coro;
348		514
349	$coro	515	$coro
350	}	516	}
351		517
352	sub write_runtime {	518	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		519
355	my $runtime = cf::localdir . "/runtime";	520	Executes the given code block with the given arguments in a seperate
		521	process, returning the results. Everything must be serialisable with
		522	Coro::Storable. May, of course, block. Note that the executed sub may
		523	never block itself or use any form of event handling.
356		524
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	525	=cut
358	or return;
359		526
360	my $value = $cf::RUNTIME + 90 + 10;	527	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	528	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		529
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	530	# we seemingly have to make a local copy of the whole thing,
365	and return;	531	# otherwise perl prematurely frees the stuff :/
		532	# TODO: investigate and fix (likely this will be rather laborious)
366		533
367	# always fsync - this file is important	534	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	535	reset_signals;
369	and return;	536	&$cb
		537	}, @args;
370		538
371	close $fh	539	wantarray ? @res : $res[-1]
372	or return;	540	}
373		541
374	aio_rename "$runtime~", $runtime	542	=item $value = cf::db_get $family => $key
375	and return;
376		543
		544	Returns a single value from the environment database.
		545
		546	=item cf::db_put $family => $key => $value
		547
		548	Stores the given C<$value> in the family. It can currently store binary
		549	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		550
		551	=item $db = cf::db_table "name"
		552
		553	Create and/or open a new database table. The string must not be "db" and must be unique
		554	within each server.
		555
		556	=cut
		557
		558	sub db_table($) {
		559	my ($name) = @_;
		560	my $db = BDB::db_create $DB_ENV;
		561
		562	eval {
		563	$db->set_flags (BDB::CHKSUM);
		564
		565	utf8::encode $name;
		566	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		567	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		568	cf::cleanup "db_open(db): $!" if $!;
		569	};
		570	cf::cleanup "db_open(db): $@" if $@;
		571
		572	$db
		573	}
		574
		575	our $DB;
		576
		577	sub db_init {
		578	cf::sync_job {
		579	$DB ||= db_table "db";
		580	};
		581	}
		582
		583	sub db_get($$) {
		584	my $key = "$_[0]/$_[1]";
		585
		586	cf::sync_job {
		587	BDB::db_get $DB, undef, $key, my $data;
		588
		589	$! ? ()
		590	: $data
377	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		595	BDB::dbreq_pri 4;
		596	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		597	}
		598
		599	=item cf::cache $id => [$paths...], $processversion => $process
		600
		601	Generic caching function that returns the value of the resource $id,
		602	caching and regenerating as required.
		603
		604	This function can block.
		605
		606	=cut
		607
		608	sub cache {
		609	my ($id, $src, $processversion, $process) = @_;
		610
		611	my $meta =
		612	join "\x00",
		613	$processversion,
		614	map {
		615	aio_stat $_
		616	and Carp::croak "$_: $!";
		617
		618	($_, (stat _)[7,9])
		619	} @$src;
		620
		621	my $dbmeta = db_get cache => "$id/meta";
		622	if ($dbmeta ne $meta) {
		623	# changed, we may need to process
		624
		625	my @data;
		626	my $md5;
		627
		628	for (0 .. $#$src) {
		629	0 <= aio_load $src->[$_], $data[$_]
		630	or Carp::croak "$src->[$_]: $!";
		631	}
		632
		633	# if processing is expensive, check
		634	# checksum first
		635	if (1) {
		636	$md5 =
		637	join "\x00",
		638	$processversion,
		639	map {
		640	cf::cede_to_tick;
		641	($src->[$_], Digest::MD5::md5_hex $data[$_])
		642	} 0.. $#$src;
		643
		644
		645	my $dbmd5 = db_get cache => "$id/md5";
		646	if ($dbmd5 eq $md5) {
		647	db_put cache => "$id/meta", $meta;
		648
		649	return db_get cache => "$id/data";
		650	}
		651	}
		652
		653	my $t1 = Time::HiRes::time;
		654	my $data = $process->(\@data);
		655	my $t2 = Time::HiRes::time;
		656
		657	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		658
		659	db_put cache => "$id/data", $data;
		660	db_put cache => "$id/md5" , $md5;
		661	db_put cache => "$id/meta", $meta;
		662
		663	return $data;
		664	}
		665
		666	db_get cache => "$id/data"
378	}	667	}
379		668
380	=item cf::datalog type => key => value, ...	669	=item cf::datalog type => key => value, ...
381		670
382	Log a datalog packet of the given type with the given key-value pairs.	671	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	attach callbacks/event handlers (a collection of which is called an "attachment")	689	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
402		691
403	In the following description, CLASS can be any of C<global>, C<object>	692	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	693	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	694	Deliantra).
406		695
407	=over 4	696	=over 4
408		697
409	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
410		699
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	862	$registry = $CB_TYPE[$object_type] ||= [];
574		863
575	} elsif ($type eq "subtype") {	864	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	865	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	866	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	867	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		868
580	} elsif ($type eq "package") {	869	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	870	my $pkg = shift @arg;
582		871
583	while (my ($name, $id) = each %cb_id) {	872	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
613	}	902	}
614		903
615	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
616	} else {	905	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	907	}
619		908
620	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
621	}	910	}
622		911
…		…
624	if (ref $_[0]) {	913	if (ref $_[0]) {
625	_object_attach @_;	914	_object_attach @_;
626	} else {	915	} else {
627	_attach shift->_attach_registry, @_;	916	_attach shift->_attach_registry, @_;
628	}	917	}
		918	_recalc_want;
629	};	919	};
630		920
631	# all those should be optimised	921	# all those should be optimised
632	sub cf::attachable::detach {	922	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	926	delete $obj->{_attachment}{$name};
637	reattach ($obj);	927	reattach ($obj);
638	} else {	928	} else {
639	Carp::croak "cannot, currently, detach class attachments";	929	Carp::croak "cannot, currently, detach class attachments";
640	}	930	}
		931	_recalc_want;
641	};	932	};
642		933
643	sub cf::attachable::attached {	934	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
645		936
…		…
660	";	951	";
661	die if $@;	952	die if $@;
662	}	953	}
663		954
664	our $override;	955	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	956	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		957
667	sub override {	958	sub override {
668	$override = 1;	959	$override = 1;
669	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
670	}	961	}
671		962
672	sub do_invoke {	963	sub do_invoke {
673	my $event = shift;	964	my $event = shift;
674	my $callbacks = shift;	965	my $callbacks = shift;
675		966
676	@invoke_results = ();	967	@INVOKE_RESULTS = ();
677		968
678	local $override;	969	local $override;
679		970
680	for (@$callbacks) {	971	for (@$callbacks) {
681	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
690	}	981	}
691		982
692	0	983	0
693	}	984	}
694		985
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		987
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		989
699	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
700		991
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	992	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	993	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		995
705	=back	996	=back
706		997
707	=cut	998	=cut
708		999
709	#############################################################################	1000	#############################################################################
710	# object support	1001	# object support
		1002
		1003	sub _object_equal($$);
		1004	sub _object_equal($$) {
		1005	my ($a, $b) = @_;
		1006
		1007	return 0 unless (ref $a) eq (ref $b);
		1008
		1009	if ("HASH" eq ref $a) {
		1010	my @ka = keys %$a;
		1011	my @kb = keys %$b;
		1012
		1013	return 0 if @ka != @kb;
		1014
		1015	for (0 .. $#ka) {
		1016	return 0 unless $ka[$_] eq $kb[$_];
		1017	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1018	}
		1019
		1020	} elsif ("ARRAY" eq ref $a) {
		1021
		1022	return 0 if @$a != @$b;
		1023
		1024	for (0 .. $#$a) {
		1025	return 0 unless _object_equal $a->[$_], $b->[$_];
		1026	}
		1027
		1028	} elsif ($a ne $b) {
		1029	return 0;
		1030	}
		1031
		1032	1
		1033	}
		1034
		1035	our $SLOW_MERGES;#d#
		1036	sub _can_merge {
		1037	my ($ob1, $ob2) = @_;
		1038
		1039	++$SLOW_MERGES;#d#
		1040
		1041	# we do the slow way here
		1042	return _object_equal $ob1, $ob2
		1043	}
711		1044
712	sub reattach {	1045	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1047	my ($obj) = @_;
715		1048
…		…
736	cf::attachable->attach (	1069	cf::attachable->attach (
737	prio => -1000000,	1070	prio => -1000000,
738	on_instantiate => sub {	1071	on_instantiate => sub {
739	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
740		1073
741	$data = from_json $data;	1074	$data = decode_json $data;
742		1075
743	for (@$data) {	1076	for (@$data) {
744	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
745		1078
746	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1095	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
764		1097
765	sync_job {	1098	sync_job {
766	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
769		1103
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1107	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1108	close $fh;
775		1109
776	if (@$objs) {	1110	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1111	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1115	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1116	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
784	}	1118	}
…		…
792	}	1126	}
793	} else {	1127	} else {
794	aio_unlink $filename;	1128	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
796	}	1130	}
797	}	1131	};
798	}	1132	}
799		1133
800	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
802		1136
…		…
814	or return;	1148	or return;
815		1149
816	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
818	or return;	1152	or return;
		1153
819	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
820	}	1156	}
821		1157
		1158	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1160	$decname, length $data, scalar @{$av || []};
		1161
824	return ($data, $av);	1162	($data, $av)
825	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
826		1170
827	#############################################################################	1171	#############################################################################
828	# command handling &c	1172	# command handling &c
829		1173
830	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1188	}
845		1189
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1191
848	Register a callbackf ro execution when the client sends an extcmd packet.	1192	Register a callback for execution when the client sends an (synchronous)
		1193	extcmd packet. Ext commands will be processed in the order they are
		1194	received by the server, like other user commands. The first argument is
		1195	the logged-in player. Ext commands can only be processed after a player
		1196	has logged in successfully.
849		1197
850	If the callback returns something, it is sent back as if reply was being	1198	If the callback returns something, it is sent back as if reply was being
851	called.	1199	called.
852		1200
		1201	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1202
		1203	Register a callback for execution when the client sends an (asynchronous)
		1204	exticmd packet. Exti commands are processed by the server as soon as they
		1205	are received, i.e. out of order w.r.t. other commands. The first argument
		1206	is a client socket. Exti commands can be received anytime, even before
		1207	log-in.
		1208
		1209	If the callback returns something, it is sent back as if reply was being
		1210	called.
		1211
853	=cut	1212	=cut
854		1213
855	sub register_extcmd {	1214	sub register_extcmd {
856	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
857		1216
858	$EXTCMD{$name} = $cb;	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
859	}	1224	}
860		1225
861	cf::player->attach (	1226	cf::player->attach (
862	on_command => sub {	1227	on_command => sub {
863	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1237	cf::override;
873	},	1238	},
874	on_extcmd => sub {	1239	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
876		1241
877	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1243
879	if (ref $msg) {	1244	if (ref $msg) {
		1245	my ($type, $reply, @payload) =
		1246	"ARRAY" eq ref $msg
		1247	? @$msg
		1248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1249
		1250	my @reply;
		1251
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
885	} else {	1259	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1261	}
888		1262
889	cf::override;	1263	cf::override;
890	},	1264	},
891	);	1265	);
892		1266
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
928	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1272	next unless -r $path;
930	eval {	1273
931	load_extension $ext;	1274	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1275	my $base = $1;
		1276	my $pkg = $1;
		1277	$pkg =~ s/[^[:word:]]/_/g;
		1278	$pkg = "ext::$pkg";
		1279
		1280	open my $fh, "<:utf8", $path
		1281	or die "$path: $!";
		1282
		1283	my $source = do { local $/; <$fh> };
		1284
		1285	my %ext = (
		1286	path => $path,
		1287	base => $base,
		1288	pkg => $pkg,
		1289	);
		1290
		1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1293
		1294	$ext{source} =
		1295	"package $pkg; use strict; use utf8;\n"
		1296	. "#line 1 \"$path\"\n{\n"
		1297	. $source
		1298	. "\n};\n1";
		1299
		1300	$todo{$base} = \%ext;
		1301	}
		1302
		1303	my %done;
		1304	while (%todo) {
		1305	my $progress;
		1306
		1307	while (my ($k, $v) = each %todo) {
		1308	for (split /,\s*/, $v->{meta}{depends}) {
		1309	goto skip
		1310	unless exists $done{$_};
		1311	}
		1312
		1313	warn "... loading '$k' into '$v->{pkg}'\n";
		1314
		1315	unless (eval $v->{source}) {
		1316	my $msg = $@ ? "$v->{path}: $@\n"
		1317	: "$v->{base}: extension inactive.\n";
		1318
		1319	if (exists $v->{meta}{mandatory}) {
		1320	warn $msg;
		1321	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	$progress = 1;
932	1	1331	}
933	} or warn "$ext not loaded: $@";	1332
		1333	skip:
		1334	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1335	unless $progress;
		1336	}
934	}	1337	};
935	}	1338	}
936		1339
937	#############################################################################	1340	#############################################################################
938		1341
		1342	=back
		1343
939	=head2 CORE EXTENSIONS	1344	=head2 CORE EXTENSIONS
940		1345
941	Functions and methods that extend core crossfire objects.	1346	Functions and methods that extend core crossfire objects.
942		1347
943	=cut	1348	=cut
…		…
948		1353
949	=head3 cf::player	1354	=head3 cf::player
950		1355
951	=over 4	1356	=over 4
952		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
953	=item cf::player::find $login	1372	=item cf::player::find $login
954		1373
955	Returns the given player object, loading it if necessary (might block).	1374	Returns the given player object, loading it if necessary (might block).
956		1375
957	=cut	1376	=cut
958		1377
959	sub playerdir($) {	1378	sub playerdir($) {
960	cf::localdir	1379	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1380	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1381	}
966		1382
967	sub path($) {	1383	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1384	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1411	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1412	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1413	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1414	aio_unlink +(playerdir $login) . "/$login.pl";
999		1415
1000	my $pl = load_pl path $login	1416	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1423	$cf::PLAYER{$login} = $pl
1003	}	1424	}
1004	}	1425	}
1005	}	1426	}
1006		1427
…		…
1016		1437
1017	aio_mkdir playerdir $pl, 0770;	1438	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1439	$pl->{last_save} = $cf::RUNTIME;
1019		1440
1020	$pl->save_pl ($path);	1441	$pl->save_pl ($path);
1021	Coro::cede;	1442	cf::cede_to_tick;
1022	}	1443	}
1023		1444
1024	sub new($) {	1445	sub new($) {
1025	my ($login) = @_;	1446	my ($login) = @_;
1026		1447
…		…
1030	$self->{deny_save} = 1;	1451	$self->{deny_save} = 1;
1031		1452
1032	$cf::PLAYER{$login} = $self;	1453	$cf::PLAYER{$login} = $self;
1033		1454
1034	$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 (@_);
1035	}	1466	}
1036		1467
1037	=item $pl->quit_character	1468	=item $pl->quit_character
1038		1469
1039	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
…		…
1088	while and may block, so not sync_job-capable, ever.	1519	while and may block, so not sync_job-capable, ever.
1089		1520
1090	=cut	1521	=cut
1091		1522
1092	sub list_logins {	1523	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1524	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1525	or return [];
1095		1526
1096	my @logins;	1527	my @logins;
1097		1528
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1534	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1535	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1536	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1537	}
1102		1538
1103	utf8::decode $login;	1539	utf8::decode $login;
1104	push @logins, $login;	1540	push @logins, $login;
1105	}	1541	}
1106		1542
…		…
1133	}	1569	}
1134		1570
1135	\@paths	1571	\@paths
1136	}	1572	}
1137		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
1138	=item $player->ext_reply ($msgid, %msg)	1667	=item $player->ext_reply ($msgid, @msg)
1139		1668
1140	Sends an ext reply to the player.	1669	Sends an ext reply to the player.
1141		1670
1142	=cut	1671	=cut
1143		1672
1144	sub ext_reply($$%) {	1673	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1674	my ($self, $id, @msg) = @_;
1146		1675
1147	$msg{msgid} = $id;	1676	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1677	}
1151		1678
1152	=item $player->ext_event ($type, %msg)	1679	=item $player->ext_msg ($type, @msg)
1153		1680
1154	Sends an ext event to the client.	1681	Sends an ext event to the client.
1155		1682
1156	=cut	1683	=cut
1157		1684
1158	sub ext_event($$%) {	1685	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1686	my ($self, $type, @msg) = @_;
1160		1687
1161	$self->ns->ext_event ($type, %msg);	1688	$self->ns->ext_msg ($type, @msg);
1162	}	1689	}
1163		1690
1164	=head3 cf::region	1691	=head3 cf::region
1165		1692
1166	=over 4	1693	=over 4
…		…
1169		1696
1170	package cf::region;	1697	package cf::region;
1171		1698
1172	=item cf::region::find_by_path $path	1699	=item cf::region::find_by_path $path
1173		1700
1174	Tries to decuce the probable region for a map knowing only its path.	1701	Tries to decuce the likely region for a map knowing only its path.
1175		1702
1176	=cut	1703	=cut
1177		1704
1178	sub find_by_path($) {	1705	sub find_by_path($) {
1179	my ($path) = @_;	1706	my ($path) = @_;
1180		1707
1181	my ($match, $specificity);	1708	my ($match, $specificity);
1182		1709
1183	for my $region (list) {	1710	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1711	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1712	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1713	if $region->specificity > $specificity;
1187	}	1714	}
1188	}	1715	}
1189		1716
…		…
1253	my ($self, $merge) = @_;	1780	my ($self, $merge) = @_;
1254		1781
1255	# we have to keep some variables in memory intact	1782	# we have to keep some variables in memory intact
1256	local $self->{path};	1783	local $self->{path};
1257	local $self->{load_path};	1784	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1785
1261	$self->SUPER::thawer_merge ($merge);	1786	$self->SUPER::thawer_merge ($merge);
1262	}	1787	}
1263		1788
1264	sub normalise {	1789	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1836	$self->init; # pass $1 etc.
1312	return $self;	1837	return $self;
1313	}	1838	}
1314	}	1839	}
1315		1840
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1841	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1842	()
1318	}	1843	}
1319		1844
1320	sub init {	1845	sub init {
1321	my ($self) = @_;	1846	my ($self) = @_;
…		…
1336		1861
1337	# the original (read-only) location	1862	# the original (read-only) location
1338	sub load_path {	1863	sub load_path {
1339	my ($self) = @_;	1864	my ($self) = @_;
1340		1865
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1866	"$MAPDIR/$self->{path}.map"
1342	}	1867	}
1343		1868
1344	# the temporary/swap location	1869	# the temporary/swap location
1345	sub save_path {	1870	sub save_path {
1346	my ($self) = @_;	1871	my ($self) = @_;
1347		1872
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1874	"$TMPDIR/$path.map"
1350	}	1875	}
1351		1876
1352	# the unique path, undef == no special unique path	1877	# the unique path, undef == no special unique path
1353	sub uniq_path {	1878	sub uniq_path {
1354	my ($self) = @_;	1879	my ($self) = @_;
1355		1880
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1882	"$UNIQUEDIR/$path"
1358	}	1883	}
1359		1884
1360	# and all this just because we cannot iterate over	1885	# and all this just because we cannot iterate over
1361	# all maps in C++...	1886	# all maps in C++...
1362	sub change_all_map_light {	1887	sub change_all_map_light {
…		…
1364		1889
1365	$_->change_map_light ($change)	1890	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1891	for grep $_->outdoor, values %cf::MAP;
1367	}	1892	}
1368		1893
		1894	sub decay_objects {
		1895	my ($self) = @_;
		1896
		1897	return if $self->{deny_reset};
		1898
		1899	$self->do_decay_objects;
		1900	}
		1901
1369	sub unlink_save {	1902	sub unlink_save {
1370	my ($self) = @_;	1903	my ($self) = @_;
1371		1904
1372	utf8::encode (my $save = $self->save_path);	1905	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1906	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1909
1377	sub load_header_from($) {	1910	sub load_header_from($) {
1378	my ($self, $path) = @_;	1911	my ($self, $path) = @_;
1379		1912
1380	utf8::encode $path;	1913	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	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;
1386		1922
1387	$self->{load_path} = $path;	1923	$self->{load_path} = $path;
1388		1924
1389	1	1925	1
1390	}	1926	}
…		…
1429	$self->load_header_orig	1965	$self->load_header_orig
1430	or return;	1966	or return;
1431	$self->prepare_orig;	1967	$self->prepare_orig;
1432	}	1968	}
1433		1969
		1970	$self->{deny_reset} = 1
		1971	if $self->no_reset;
		1972
1434	$self->default_region (cf::region::find_by_path $self->{path})	1973	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1974	unless $self->default_region;
1436		1975
1437	1	1976	1
1438	}	1977	}
…		…
1441	sub find {	1980	sub find {
1442	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1443		1982
1444	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1445		1984
		1985	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	1986	cf::lock_wait "map_find:$path";
1447		1987
1448	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1449	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
1450	my $map = new_from_path cf::map $path	1992	my $map = new_from_path cf::map $path
1451	or return;	1993	or return;
1452		1994
1453	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1454		1996
1455	$map->load_header	1997	$map->load_header
1456	or return;	1998	or return;
1457		1999
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2001	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard1;
		2004	undef $guard2;
1461	$map->reset;	2005	$map->reset;
1462	undef $guard;
1463	return find $path;	2006	return find $path;
1464	}	2007	}
1465		2008
1466	$cf::MAP{$path} = $map	2009	$cf::MAP{$path} = $map
1467	}	2010	}
…		…
1474	my ($self) = @_;	2017	my ($self) = @_;
1475		2018
1476	local $self->{deny_reset} = 1; # loading can take a long time	2019	local $self->{deny_reset} = 1; # loading can take a long time
1477		2020
1478	my $path = $self->{path};	2021	my $path = $self->{path};
		2022
		2023	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2024	my $guard = cf::lock_acquire "map_data:$path";
1480		2025
		2026	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2027	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2028
1483	$self->in_memory (cf::MAP_LOADING);	2029	$self->in_memory (cf::MAP_LOADING);
1484		2030
1485	$self->alloc;	2031	$self->alloc;
1486		2032
1487	$self->pre_load;	2033	$self->pre_load;
		2034	cf::cede_to_tick;
1488		2035
1489	$self->_load_objects ($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)
1490	or return;	2039	or return;
1491		2040
1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1493	if delete $self->{load_original};	2042	if delete $self->{load_original};
1494		2043
1495	if (my $uniq = $self->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1496	utf8::encode $uniq;	2045	utf8::encode $uniq;
1497	if (aio_open $uniq, O_RDONLY, 0) {	2046	unless (aio_stat $uniq) {
		2047	if (my $f = new_from_file cf::object::thawer $uniq) {
1498	$self->clear_unique_items;	2048	$self->clear_unique_items;
1499	$self->_load_objects ($uniq, 0);	2049	$self->_load_objects ($f);
		2050	$f->resolve_delayed_derefs;
		2051	}
1500	}	2052	}
1501	}	2053	}
1502		2054
1503	Coro::cede;	2055	$f->resolve_delayed_derefs;
1504		2056
		2057	cf::cede_to_tick;
1505	# now do the right thing for maps	2058	# now do the right thing for maps
1506	$self->link_multipart_objects;	2059	$self->link_multipart_objects;
1507
1508	unless ($self->{deny_activate}) {
1509	$self->decay_objects;
1510	$self->fix_auto_apply;
1511	$self->update_buttons;
1512	Coro::cede;
1513	$self->set_darkness_map;
1514	$self->difficulty ($self->estimate_difficulty)	2060	$self->difficulty ($self->estimate_difficulty)
1515	unless $self->difficulty;	2061	unless $self->difficulty;
1516	Coro::cede;	2062	cf::cede_to_tick;
		2063
		2064	unless ($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;
1517	$self->activate;	2071	$self->activate;
		2072	}
		2073
		2074	$self->{last_save} = $cf::RUNTIME;
		2075	$self->last_access ($cf::RUNTIME);
		2076
		2077	$self->in_memory (cf::MAP_IN_MEMORY);
1518	}	2078	}
1519		2079
1520	$self->post_load;	2080	$self->post_load;
1521
1522	$self->in_memory (cf::MAP_IN_MEMORY);
1523	}	2081	}
1524		2082
1525	sub customise_for {	2083	sub customise_for {
1526	my ($self, $ob) = @_;	2084	my ($self, $ob) = @_;
1527		2085
1528	return find "~" . $ob->name . "/" . $self->{path}	2086	return find "~" . $ob->name . "/" . $self->{path}
1529	if $self->per_player;	2087	if $self->per_player;
1530		2088
		2089	# return find "?party/" . $ob->name . "/" . $self->{path}
		2090	# if $self->per_party;
		2091
1531	$self	2092	$self
1532	}	2093	}
1533		2094
1534	# find and load all maps in the 3x3 area around a map	2095	# find and load all maps in the 3x3 area around a map
1535	sub load_diag {	2096	sub load_neighbours {
1536	my ($map) = @_;	2097	my ($map) = @_;
1537		2098
1538	my @diag; # diagonal neighbours	2099	my @neigh; # diagonal neighbours
1539		2100
1540	for (0 .. 3) {	2101	for (0 .. 3) {
1541	my $neigh = $map->tile_path ($_)	2102	my $neigh = $map->tile_path ($_)
1542	or next;	2103	or next;
1543	$neigh = find $neigh, $map	2104	$neigh = find $neigh, $map
1544	or next;	2105	or next;
1545	$neigh->load;	2106	$neigh->load;
1546		2107
		2108	push @neigh,
1547	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2109	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1548	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2110	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1549	}	2111	}
1550		2112
1551	for (@diag) {	2113	for (grep defined $_->[0], @neigh) {
		2114	my ($path, $origin) = @$_;
1552	my $neigh = find @$_	2115	my $neigh = find $path, $origin
1553	or next;	2116	or next;
1554	$neigh->load;	2117	$neigh->load;
1555	}	2118	}
1556	}	2119	}
1557		2120
…		…
1562	}	2125	}
1563		2126
1564	sub do_load_sync {	2127	sub do_load_sync {
1565	my ($map) = @_;	2128	my ($map) = @_;
1566		2129
		2130	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2131	if $Coro::current == $Coro::main;
		2132
1567	cf::sync_job { $map->load };	2133	cf::sync_job { $map->load };
1568	}	2134	}
1569		2135
1570	our %MAP_PREFETCH;	2136	our %MAP_PREFETCH;
1571	our $MAP_PREFETCHER = undef;	2137	our $MAP_PREFETCHER = undef;
1572		2138
1573	sub find_async {	2139	sub find_async {
1574	my ($path, $origin) = @_;	2140	my ($path, $origin, $load) = @_;
1575		2141
1576	$path = normalise $path, $origin && $origin->{path};	2142	$path = normalise $path, $origin && $origin->{path};
1577		2143
1578	if (my $map = $cf::MAP{$path}) {	2144	if (my $map = $cf::MAP{$path}) {
1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2145	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1580	}	2146	}
1581		2147
1582	undef $MAP_PREFETCH{$path};	2148	$MAP_PREFETCH{$path} |= $load;
		2149
1583	$MAP_PREFETCHER ||= cf::async {	2150	$MAP_PREFETCHER ||= cf::async {
		2151	$Coro::current->{desc} = "map prefetcher";
		2152
1584	while (%MAP_PREFETCH) {	2153	while (%MAP_PREFETCH) {
1585	for my $path (keys %MAP_PREFETCH) {	2154	while (my ($k, $v) = each %MAP_PREFETCH) {
1586	my $map = find $path	2155	if (my $map = find $k) {
1587	or next;
1588	$map->load;	2156	$map->load if $v;
		2157	}
1589		2158
1590	delete $MAP_PREFETCH{$path};	2159	delete $MAP_PREFETCH{$k};
1591	}	2160	}
1592	}	2161	}
1593	undef $MAP_PREFETCHER;	2162	undef $MAP_PREFETCHER;
1594	};	2163	};
1595	$MAP_PREFETCHER->prio (6);	2164	$MAP_PREFETCHER->prio (6);
…		…
1598	}	2167	}
1599		2168
1600	sub save {	2169	sub save {
1601	my ($self) = @_;	2170	my ($self) = @_;
1602		2171
1603	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1604		2173
1605	$self->{last_save} = $cf::RUNTIME;	2174	$self->{last_save} = $cf::RUNTIME;
1606		2175
1607	return unless $self->dirty;	2176	return unless $self->dirty;
1608		2177
…		…
1614	return if $self->{deny_save};	2183	return if $self->{deny_save};
1615		2184
1616	local $self->{last_access} = $self->last_access;#d#	2185	local $self->{last_access} = $self->last_access;#d#
1617		2186
1618	cf::async {	2187	cf::async {
		2188	$Coro::current->{desc} = "map player save";
1619	$_->contr->save for $self->players;	2189	$_->contr->save for $self->players;
1620	};	2190	};
1621		2191
1622	if ($uniq) {	2192	if ($uniq) {
1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1631	my ($self) = @_;	2201	my ($self) = @_;
1632		2202
1633	# save first because save cedes	2203	# save first because save cedes
1634	$self->save;	2204	$self->save;
1635		2205
1636	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1637		2207
1638	return if $self->players;	2208	return if $self->players;
1639	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_IN_MEMORY;
1640	return if $self->{deny_save};	2210	return if $self->{deny_save};
1641		2211
		2212	$self->in_memory (cf::MAP_SWAPPED);
		2213
		2214	$self->deactivate;
		2215	$_->clear_links_to ($self) for values %cf::MAP;
1642	$self->clear;	2216	$self->clear;
1643	$self->in_memory (cf::MAP_SWAPPED);
1644	}	2217	}
1645		2218
1646	sub reset_at {	2219	sub reset_at {
1647	my ($self) = @_;	2220	my ($self) = @_;
1648		2221
1649	# TODO: safety, remove and allow resettable per-player maps	2222	# TODO: safety, remove and allow resettable per-player maps
1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1651	return 1e99 if $self->{deny_reset};	2223	return 1e99 if $self->{deny_reset};
1652		2224
1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2225	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2226	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1655		2227
…		…
1666	my ($self) = @_;	2238	my ($self) = @_;
1667		2239
1668	my $lock = cf::lock_acquire "map_data:$self->{path}";	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
1669		2241
1670	return if $self->players;	2242	return if $self->players;
1671	return if $self->isa ("ext::map_per_player");#d#
1672		2243
1673	warn "resetting map ", $self->path;#d#	2244	warn "resetting map ", $self->path;
1674		2245
1675	$self->in_memory (cf::MAP_SWAPPED);	2246	$self->in_memory (cf::MAP_SWAPPED);
1676		2247
1677	# need to save uniques path	2248	# need to save uniques path
1678	unless ($self->{deny_save}) {	2249	unless ($self->{deny_save}) {
…		…
1682	if $uniq;	2253	if $uniq;
1683	}	2254	}
1684		2255
1685	delete $cf::MAP{$self->path};	2256	delete $cf::MAP{$self->path};
1686		2257
		2258	$self->deactivate;
		2259	$_->clear_links_to ($self) for values %cf::MAP;
1687	$self->clear;	2260	$self->clear;
1688
1689	$_->clear_links_to ($self) for values %cf::MAP;
1690		2261
1691	$self->unlink_save;	2262	$self->unlink_save;
1692	$self->destroy;	2263	$self->destroy;
1693	}	2264	}
1694		2265
1695	my $nuke_counter = "aaaa";	2266	my $nuke_counter = "aaaa";
1696		2267
1697	sub nuke {	2268	sub nuke {
1698	my ($self) = @_;	2269	my ($self) = @_;
1699		2270
		2271	{
		2272	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2273
1700	delete $cf::MAP{$self->path};	2274	delete $cf::MAP{$self->path};
1701		2275
1702	$self->unlink_save;	2276	$self->unlink_save;
1703		2277
1704	bless $self, "cf::map";	2278	bless $self, "cf::map";
1705	delete $self->{deny_reset};	2279	delete $self->{deny_reset};
1706	$self->{deny_save} = 1;	2280	$self->{deny_save} = 1;
1707	$self->reset_timeout (1);	2281	$self->reset_timeout (1);
1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2282	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1709		2283
1710	$cf::MAP{$self->path} = $self;	2284	$cf::MAP{$self->path} = $self;
		2285	}
1711		2286
1712	$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	]
1713	}	2324	}
1714		2325
1715	=item cf::map::unique_maps	2326	=item cf::map::unique_maps
1716		2327
1717	Returns an arrayref of paths of all shared maps that have	2328	Returns an arrayref of paths of all shared maps that have
1718	instantiated unique items. May block.	2329	instantiated unique items. May block.
1719		2330
1720	=cut	2331	=cut
1721		2332
1722	sub unique_maps() {	2333	sub unique_maps() {
1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2334	[
1724	or return;	2335	map {
1725
1726	my @paths;
1727
1728	for (@$files) {
1729	utf8::decode $_;	2336	utf8::decode $_;
1730	next if /\.pst$/;	2337	/\.map$/
1731	next unless /^$PATH_SEP/o;	2338	? normalise $_
1732		2339	: ()
1733	push @paths, cf::map::normalise $_;	2340	} @{ aio_readdir $UNIQUEDIR or [] }
1734	}	2341	]
1735
1736	\@paths
1737	}	2342	}
1738		2343
1739	package cf;	2344	package cf;
1740		2345
1741	=back	2346	=back
…		…
1759	map { $_, inv_recursive_ $_->inv } @_	2364	map { $_, inv_recursive_ $_->inv } @_
1760	}	2365	}
1761		2366
1762	sub inv_recursive {	2367	sub inv_recursive {
1763	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	}
1764	}	2397	}
1765		2398
1766	package cf;	2399	package cf;
1767		2400
1768	=back	2401	=back
…		…
1787		2420
1788	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2421	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1789		2422
1790	if ($self->{record_replies}) {	2423	if ($self->{record_replies}) {
1791	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2424	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2425
1792	} 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 {
1793	$msg = $npc->name . " says: $msg" if $npc;	2434	$msg = $npc->name . " says: $msg" if $npc;
1794	$self->message ($msg, $flags);	2435	$self->message ($msg, $flags);
		2436	}
1795	}	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 (@_);
1796	}	2448	}
1797		2449
1798	=item $player_object->may ("access")	2450	=item $player_object->may ("access")
1799		2451
1800	Returns wether the given player is authorized to access resource "access"	2452	Returns wether the given player is authorized to access resource "access"
…		…
1847	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1848		2500
1849	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1850		2502
1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1852	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1853		2505
1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1855	}	2507	}
1856		2508
1857	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1858	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1859		2513
1860	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1861		2515
1862	unless ($map) {	2516	unless ($map) {
1863	# restore original map position	2517	# restore original map position
…		…
1877	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1878	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1879	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1880		2534
1881	$map->load;	2535	$map->load;
1882	$map->load_diag;	2536	$map->load_neighbours;
1883		2537
1884	return unless $self->contr->active;	2538	return unless $self->contr->active;
1885	$self->activate_recursive;	2539	$self->activate_recursive;
1886		2540
1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2541	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1888	$self->enter_map ($map, $x, $y);	2542	$self->enter_map ($map, $x, $y);
1889	}	2543	}
1890		2544
1891	cf::player->attach (	2545	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1892	on_logout => sub {
1893	my ($pl) = @_;
1894		2546
1895	# abort map switching before logout	2547	Moves the player to the given map-path and coordinates by first freezing
1896	if ($pl->ob->{_link_pos}) {	2548	her, loading and preparing them map, calling the provided $check callback
1897	cf::sync_job {	2549	that has to return the map if sucecssful, and then unfreezes the player on
1898	$pl->ob->leave_link	2550	the new (success) or old (failed) map position. In either case, $done will
1899	};	2551	be called at the end of this process.
1900	}
1901	},
1902	on_login => sub {
1903	my ($pl) = @_;
1904		2552
1905	# try to abort aborted map switching on player login :)
1906	# should happen only on crashes
1907	if ($pl->ob->{_link_pos}) {
1908	$pl->ob->enter_link;
1909	(async {
1910	$pl->ob->reply (undef,
1911	"There was an internal problem at your last logout, "
1912	. "the server will try to bring you to your intended destination in a second.",
1913	cf::NDI_RED);
1914	# we need this sleep as the login has a concurrent enter_exit running
1915	# and this sleep increases chances of the player not ending up in scorn
1916	Coro::Timer::sleep 1;
1917	$pl->ob->leave_link;
1918	})->prio (2);
1919	}
1920	},
1921	);
1922
1923	=item $player_object->goto ($path, $x, $y)
1924
1925	=cut	2553	=cut
		2554
		2555	our $GOTOGEN;
1926		2556
1927	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1928	my ($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;
1929		2562
1930	$self->enter_link;	2563	$self->enter_link;
1931		2564
1932	(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
1933	my $map = eval {	2587	my $map = eval {
1934	my $map = cf::map::find $path;	2588	my $map = defined $path ? cf::map::find $path : undef;
		2589
		2590	if ($map) {
1935	$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
1936	$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 $@;
1937	} or	2603	}
1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1939		2604
		2605	if ($gen == $self->{_goto_generation}) {
		2606	delete $self->{_goto_generation};
1940	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
		2608	}
		2609
		2610	$done->() if $done;
1941	})->prio (1);	2611	})->prio (1);
1942	}	2612	}
1943		2613
1944	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
1945		2615
…		…
1982	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
1983	}	2653	}
1984		2654
1985	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
1986		2656
1987	my $data = cf::to_json $rmp;	2657	my $data = cf::encode_json $rmp;
1988	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
1990		2660
1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1992	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
1993	undef $fh;	2663	undef $fh;
1994	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
…		…
2014	my $hp = $exit->stats->hp;	2684	my $hp = $exit->stats->hp;
2015	my $sp = $exit->stats->sp;	2685	my $sp = $exit->stats->sp;
2016		2686
2017	$self->enter_link;	2687	$self->enter_link;
2018		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
2019	(async {	2693	(async {
		2694	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2695
2020	$self->deactivate_recursive; # just to be sure	2696	$self->deactivate_recursive; # just to be sure
2021	unless (eval {	2697	unless (eval {
2022	$self->goto ($slaying, $hp, $sp);	2698	$self->goto ($slaying, $hp, $sp);
2023		2699
2024	1;	2700	1;
…		…
2050		2726
2051	utf8::encode $text;	2727	utf8::encode $text;
2052	$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);
2053	}	2729	}
2054		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
2055	=item $client->ext_event ($type, %msg)	2855	=item $client->ext_msg ($type, @msg)
2056		2856
2057	Sends an exti event to the client.	2857	Sends an ext event to the client.
2058		2858
2059	=cut	2859	=cut
2060		2860
2061	sub cf::client::ext_event($$%) {	2861	sub cf::client::ext_msg($$@) {
2062	my ($self, $type, %msg) = @_;	2862	my ($self, $type, @msg) = @_;
2063		2863
		2864	if ($self->extcmd == 2) {
		2865	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2866	} elsif ($self->extcmd == 1) { # TODO: remove
2064	$msg{msgtype} = "event_$type";	2867	push @msg, msgtype => "event_$type";
2065	$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	}
2066	}	2888	}
2067		2889
2068	=item $success = $client->query ($flags, "text", \&cb)	2890	=item $success = $client->query ($flags, "text", \&cb)
2069		2891
2070	Queues a query to the client, calling the given callback with	2892	Queues a query to the client, calling the given callback with
2071	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>,
2072	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>.
2073		2895
2074	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
2075	reliable at some point in the future.	2897	become reliable at some point in the future.
2076		2898
2077	=cut	2899	=cut
2078		2900
2079	sub cf::client::query {	2901	sub cf::client::query {
2080	my ($self, $flags, $text, $cb) = @_;	2902	my ($self, $flags, $text, $cb) = @_;
…		…
2088	utf8::encode $text;	2910	utf8::encode $text;
2089	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2911	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2090		2912
2091	$self->send_packet ($self->{query_queue}[0][0])	2913	$self->send_packet ($self->{query_queue}[0][0])
2092	if @{ $self->{query_queue} } == 1;	2914	if @{ $self->{query_queue} } == 1;
		2915
		2916	1
2093	}	2917	}
2094		2918
2095	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	},
2096	on_reply => sub {	2925	on_reply => sub {
2097	my ($ns, $msg) = @_;	2926	my ($ns, $msg) = @_;
2098		2927
2099	# this weird shuffling is so that direct followup queries	2928	# this weird shuffling is so that direct followup queries
2100	# get handled first	2929	# get handled first
…		…
2112	} else {	2941	} else {
2113	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2942	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2114	}	2943	}
2115	}	2944	}
2116	},	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	},
2117	);	2972	);
2118		2973
2119	=item $client->async (\&cb)	2974	=item $client->async (\&cb)
2120		2975
2121	Create a new coroutine, running the specified callback. The coroutine will	2976	Create a new coroutine, running the specified callback. The coroutine will
…		…
2162	our $safe = new Safe "safe";	3017	our $safe = new Safe "safe";
2163	our $safe_hole = new Safe::Hole;	3018	our $safe_hole = new Safe::Hole;
2164		3019
2165	$SIG{FPE} = 'IGNORE';	3020	$SIG{FPE} = 'IGNORE';
2166		3021
2167	$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	));
2168		3027
2169	# here we export the classes and methods available to script code	3028	# here we export the classes and methods available to script code
2170		3029
2171	=pod	3030	=pod
2172		3031
2173	The following functions and methods are available within a safe environment:	3032	The following functions and methods are available within a safe environment:
2174		3033
2175	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
2176	cf::object::player player	3038	cf::object::player
2177	cf::player peaceful	3039	player
2178	cf::map trigger	3040
		3041	cf::player
		3042	peaceful
		3043
		3044	cf::map
		3045	trigger
2179		3046
2180	=cut	3047	=cut
2181		3048
2182	for (	3049	for (
2183	["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)],
2184	["cf::object::player" => qw(player)],	3053	["cf::object::player" => qw(player)],
2185	["cf::player" => qw(peaceful)],	3054	["cf::player" => qw(peaceful)],
2186	["cf::map" => qw(trigger)],	3055	["cf::map" => qw(trigger)],
2187	) {	3056	) {
2188	no strict 'refs';	3057	no strict 'refs';
…		…
2259	=back	3128	=back
2260		3129
2261	=cut	3130	=cut
2262		3131
2263	#############################################################################	3132	#############################################################################
2264
2265	=head2 EXTENSION DATABASE SUPPORT
2266
2267	Crossfire maintains a very simple database for extension use. It can
2268	currently store anything that can be serialised using Storable, which
2269	excludes objects.
2270
2271	The parameter C<$family> should best start with the name of the extension
2272	using it, it should be unique.
2273
2274	=over 4
2275
2276	=item $value = cf::db_get $family => $key
2277
2278	Returns a single value from the database.
2279
2280	=item cf::db_put $family => $key => $value
2281
2282	Stores the given C<$value> in the family.
2283
2284	=cut
2285
2286	our $DB;
2287
2288	sub db_init {
2289	unless ($DB) {
2290	$DB = BDB::db_create $DB_ENV;
2291
2292	cf::sync_job {
2293	eval {
2294	$DB->set_flags (BDB::CHKSUM);
2295
2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2298	cf::cleanup "db_open(db): $!" if $!;
2299	};
2300	cf::cleanup "db_open(db): $@" if $@;
2301	};
2302
2303	my $path = cf::localdir . "/database.pst";
2304	if (stat $path) {
2305	cf::sync_job {
2306	my $pst = Storable::retrieve $path;
2307
2308	cf::db_put (board => data => $pst->{board});
2309	cf::db_put (guildrules => data => $pst->{guildrules});
2310	cf::db_put (rent => balance => $pst->{rent}{balance});
2311	BDB::db_env_txn_checkpoint $DB_ENV;
2312
2313	unlink $path;
2314	};
2315	}
2316	}
2317	}
2318
2319	sub db_get($$) {
2320	my $key = "$_[0]/$_[1]";
2321
2322	cf::sync_job {
2323	BDB::db_get $DB, undef, $key, my $data;
2324
2325	$! ? ()
2326	: Compress::LZF::sthaw $data
2327	}
2328	}
2329
2330	sub db_put($$$) {
2331	BDB::dbreq_pri 4;
2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2333	}
2334
2335	#############################################################################
2336	# the server's init and main functions	3133	# the server's init and main functions
2337		3134
2338	sub load_facedata {	3135	sub load_facedata($) {
2339	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;
2340		3143
2341	warn "loading facedata from $path\n";	3144	warn "loading facedata from $path\n";
2342		3145
2343	my $facedata;	3146	my $facedata;
2344	0 < aio_load $path, $facedata	3147	0 < aio_load $path, $facedata
…		…
2347	$facedata = Coro::Storable::thaw $facedata;	3150	$facedata = Coro::Storable::thaw $facedata;
2348		3151
2349	$facedata->{version} == 2	3152	$facedata->{version} == 2
2350	or cf::cleanup "$path: version mismatch, cannot proceed.";	3153	or cf::cleanup "$path: version mismatch, cannot proceed.";
2351		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
2352	{	3162	{
2353	my $faces = $facedata->{faceinfo};	3163	my $faces = $facedata->{faceinfo};
2354		3164
2355	while (my ($face, $info) = each %$faces) {	3165	while (my ($face, $info) = each %$faces) {
2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3166	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3167
2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3168	cf::face::set_visibility $idx, $info->{visibility};
		3169	cf::face::set_magicmap $idx, $info->{magicmap};
2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3170	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3171	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2360	Coro::cede;	3172
		3173	cf::cede_to_tick;
2361	}	3174	}
2362		3175
2363	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2364	next unless $info->{smooth};	3177	next unless $info->{smooth};
		3178
2365	my $idx = cf::face::find $face	3179	my $idx = cf::face::find $face
2366	or next;	3180	or next;
		3181
2367	if (my $smooth = cf::face::find $info->{smooth}) {	3182	if (my $smooth = cf::face::find $info->{smooth}) {
		3183	cf::face::set_smooth $idx, $smooth;
2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3184	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2369	} else {	3185	} else {
2370	warn "smooth face '$info->{smooth}' not found for face '$face'";	3186	warn "smooth face '$info->{smooth}' not found for face '$face'";
2371	}	3187	}
2372	Coro::cede;	3188
		3189	cf::cede_to_tick;
2373	}	3190	}
2374	}	3191	}
2375		3192
2376	{	3193	{
2377	my $anims = $facedata->{animinfo};	3194	my $anims = $facedata->{animinfo};
2378		3195
2379	while (my ($anim, $info) = each %$anims) {	3196	while (my ($anim, $info) = each %$anims) {
2380	cf::anim::set $anim, $info->{frames}, $info->{facings};	3197	cf::anim::set $anim, $info->{frames}, $info->{facings};
2381	Coro::cede;	3198	cf::cede_to_tick;
2382	}	3199	}
2383		3200
2384	cf::anim::invalidate_all; # d'oh	3201	cf::anim::invalidate_all; # d'oh
2385	}	3202	}
2386		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
2387	1	3239	1
2388	}	3240	}
2389		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
		3289	sub reload_archetypes {
		3290	load_resource_file "$DATADIR/archetypes"
		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";
		3297	}
		3298
		3299	sub reload_treasures {
		3300	load_resource_file "$DATADIR/treasures"
		3301	or die "unable to load treasurelists\n";
		3302	}
		3303
2390	sub reload_resources {	3304	sub reload_resources {
2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3305	warn "reloading resource files...\n";
2392	or die "unable to load regions file\n";#d#	3306
		3307	reload_regions;
2393	load_facedata	3308	reload_facedata;
2394	or die "unable to load facedata\n";#d#	3309	#reload_archetypes;#d#
		3310	reload_archetypes;
		3311	reload_treasures;
		3312
		3313	warn "finished reloading resource files\n";
2395	}	3314	}
2396		3315
2397	sub init {	3316	sub init {
2398	reload_resources;	3317	reload_resources;
2399	}	3318	}
2400		3319
2401	sub cfg_load {	3320	sub reload_config {
2402	open my $fh, "<:utf8", cf::confdir . "/config"	3321	open my $fh, "<:utf8", "$CONFDIR/config"
2403	or return;	3322	or return;
2404		3323
2405	local $/;	3324	local $/;
2406	*CFG = YAML::Syck::Load <$fh>;	3325	*CFG = YAML::Load <$fh>;
2407		3326
2408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3327	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2409		3328
2410	$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};
2411	$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};
…		…
2422	sub main {	3341	sub main {
2423	# we must not ever block the main coroutine	3342	# we must not ever block the main coroutine
2424	local $Coro::idle = sub {	3343	local $Coro::idle = sub {
2425	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#
2426	(async {	3345	(async {
2427	Event::one_event;	3346	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3347	EV::loop EV::LOOP_ONESHOT;
2428	})->prio (Coro::PRIO_MAX);	3348	})->prio (Coro::PRIO_MAX);
2429	};	3349	};
2430		3350
2431	cfg_load;	3351	reload_config;
2432	db_init;	3352	db_init;
2433	load_extensions;	3353	load_extensions;
2434		3354
2435	$TICK_WATCHER->start;	3355	$TICK_WATCHER->start;
		3356	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2436	Event::loop;	3357	EV::loop;
2437	}	3358	}
2438		3359
2439	#############################################################################	3360	#############################################################################
2440	# initialisation and cleanup	3361	# initialisation and cleanup
2441		3362
2442	# install some emergency cleanup handlers	3363	# install some emergency cleanup handlers
2443	BEGIN {	3364	BEGIN {
		3365	our %SIGWATCHER = ();
2444	for my $signal (qw(INT HUP TERM)) {	3366	for my $signal (qw(INT HUP TERM)) {
2445	Event->signal (	3367	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2446	reentrant => 0,
2447	data => WF_AUTOCANCEL,
2448	signal => $signal,
2449	prio => 0,
2450	cb => sub {
2451	cf::cleanup "SIG$signal";	3368	cf::cleanup "SIG$signal";
2452	},
2453	);	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
2454	}	3408	1
2455	}	3409	}
2456		3410
2457	sub emergency_save() {	3411	sub emergency_save() {
2458	my $freeze_guard = cf::freeze_mainloop;	3412	my $freeze_guard = cf::freeze_mainloop;
2459		3413
…		…
2465	# and maps saved/destroyed asynchronously.	3419	# and maps saved/destroyed asynchronously.
2466	warn "begin emergency player save\n";	3420	warn "begin emergency player save\n";
2467	for my $login (keys %cf::PLAYER) {	3421	for my $login (keys %cf::PLAYER) {
2468	my $pl = $cf::PLAYER{$login} or next;	3422	my $pl = $cf::PLAYER{$login} or next;
2469	$pl->valid or next;	3423	$pl->valid or next;
		3424	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2470	$pl->save;	3425	$pl->save;
2471	}	3426	}
2472	warn "end emergency player save\n";	3427	warn "end emergency player save\n";
2473		3428
2474	warn "begin emergency map save\n";	3429	warn "begin emergency map save\n";
…		…
2492		3447
2493	warn Carp::longmess "post_cleanup backtrace"	3448	warn Carp::longmess "post_cleanup backtrace"
2494	if $make_core;	3449	if $make_core;
2495	}	3450	}
2496		3451
2497	sub reload() {	3452	sub do_reload_perl() {
2498	# can/must only be called in main	3453	# can/must only be called in main
2499	if ($Coro::current != $Coro::main) {	3454	if ($Coro::current != $Coro::main) {
2500	warn "can only reload from main coroutine";	3455	warn "can only reload from main coroutine";
2501	return;	3456	return;
2502	}	3457	}
…		…
2513	warn "syncing database to disk";	3468	warn "syncing database to disk";
2514	BDB::db_env_txn_checkpoint $DB_ENV;	3469	BDB::db_env_txn_checkpoint $DB_ENV;
2515		3470
2516	# 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
2517		3472
2518	warn "cancelling all WF_AUTOCANCEL watchers";
2519	for (Event::all_watchers) {
2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2521	}
2522
2523	warn "flushing outstanding aio requests";	3473	warn "flushing outstanding aio requests";
2524	for (;;) {	3474	for (;;) {
2525	BDB::flush;	3475	BDB::flush;
2526	IO::AIO::flush;	3476	IO::AIO::flush;
2527	Coro::cede;	3477	Coro::cede_notself;
2528	last unless IO::AIO::nreqs || BDB::nreqs;	3478	last unless IO::AIO::nreqs || BDB::nreqs;
2529	warn "iterate...";	3479	warn "iterate...";
2530	}	3480	}
2531		3481
2532	++$RELOAD;	3482	++$RELOAD;
…		…
2536	%EXT_CORO = ();	3486	%EXT_CORO = ();
2537		3487
2538	warn "removing commands";	3488	warn "removing commands";
2539	%COMMAND = ();	3489	%COMMAND = ();
2540		3490
2541	warn "removing ext commands";	3491	warn "removing ext/exti commands";
2542	%EXTCMD = ();	3492	%EXTCMD = ();
		3493	%EXTICMD = ();
2543		3494
2544	warn "unloading/nuking all extensions";	3495	warn "unloading/nuking all extensions";
2545	for my $pkg (@EXTS) {	3496	for my $pkg (@EXTS) {
2546	warn "... unloading $pkg";	3497	warn "... unloading $pkg";
2547		3498
…		…
2577	Symbol::delete_package "safe::$_"	3528	Symbol::delete_package "safe::$_"
2578	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);
2579		3530
2580	warn "unloading cf.pm \"a bit\"";	3531	warn "unloading cf.pm \"a bit\"";
2581	delete $INC{"cf.pm"};	3532	delete $INC{"cf.pm"};
		3533	delete $INC{"cf/pod.pm"};
2582		3534
2583	# don't, removes xs symbols, too,	3535	# don't, removes xs symbols, too,
2584	# and global variables created in xs	3536	# and global variables created in xs
2585	#Symbol::delete_package __PACKAGE__;	3537	#Symbol::delete_package __PACKAGE__;
2586		3538
…		…
2589	warn "reloading cf.pm";	3541	warn "reloading cf.pm";
2590	require cf;	3542	require cf;
2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3543	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2592		3544
2593	warn "loading config and database again";	3545	warn "loading config and database again";
2594	cf::cfg_load;	3546	cf::reload_config;
2595		3547
2596	warn "loading extensions";	3548	warn "loading extensions";
2597	cf::load_extensions;	3549	cf::load_extensions;
2598		3550
2599	warn "reattaching attachments to objects/players";	3551	warn "reattaching attachments to objects/players";
…		…
2601	warn "reattaching attachments to maps";	3553	warn "reattaching attachments to maps";
2602	reattach $_ for values %MAP;	3554	reattach $_ for values %MAP;
2603	warn "reattaching attachments to players";	3555	warn "reattaching attachments to players";
2604	reattach $_ for values %PLAYER;	3556	reattach $_ for values %PLAYER;
2605		3557
2606	warn "loading reloadable resources";
2607	reload_resources;
2608
2609	warn "leaving sync_job";	3558	warn "leaving sync_job";
2610		3559
2611	1	3560	1
2612	} or do {	3561	} or do {
2613	warn $@;	3562	warn $@;
…		…
2618	warn "reloaded";	3567	warn "reloaded";
2619	};	3568	};
2620		3569
2621	our $RELOAD_WATCHER; # used only during reload	3570	our $RELOAD_WATCHER; # used only during reload
2622		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
2623	register_command "reload" => sub {	3582	register_command "reload" => sub {
2624	my ($who, $arg) = @_;	3583	my ($who, $arg) = @_;
2625		3584
2626	if ($who->flag (FLAG_WIZ)) {	3585	if ($who->flag (FLAG_WIZ)) {
2627	$who->message ("reloading server.");	3586	$who->message ("reloading server.");
2628		3587	async {
2629	# doing reload synchronously and two reloads happen back-to-back,	3588	$Coro::current->{desc} = "perl_reload";
2630	# coro crashes during coro_state_free->destroy here.
2631
2632	$RELOAD_WATCHER ||= Event->timer (
2633	reentrant => 0,
2634	after => 0,
2635	data => WF_AUTOCANCEL,
2636	cb => sub {
2637	reload;	3589	reload_perl;
2638	undef $RELOAD_WATCHER;
2639	},
2640	);	3590	};
2641	}	3591	}
2642	};	3592	};
2643		3593
2644	unshift @INC, $LIBDIR;	3594	unshift @INC, $LIBDIR;
2645		3595
2646	my $bug_warning = 0;	3596	my $bug_warning = 0;
2647		3597
2648	$TICK_WATCHER = Event->timer (	3598	our @WAIT_FOR_TICK;
2649	reentrant => 0,	3599	our @WAIT_FOR_TICK_BEGIN;
2650	parked => 1,	3600
2651	prio => 0,	3601	sub wait_for_tick {
2652	at => $NEXT_TICK || $TICK,	3602	return unless $TICK_WATCHER->is_active;
2653	data => WF_AUTOCANCEL,	3603	return if $Coro::current == $Coro::main;
2654	cb => sub {	3604
		3605	my $signal = new Coro::Signal;
		3606	push @WAIT_FOR_TICK, $signal;
		3607	$signal->wait;
		3608	}
		3609
		3610	sub wait_for_tick_begin {
		3611	return unless $TICK_WATCHER->is_active;
		3612	return if $Coro::current == $Coro::main;
		3613
		3614	my $signal = new Coro::Signal;
		3615	push @WAIT_FOR_TICK_BEGIN, $signal;
		3616	$signal->wait;
		3617	}
		3618
		3619	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2655	if ($Coro::current != $Coro::main) {	3620	if ($Coro::current != $Coro::main) {
2656	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"
2657	unless ++$bug_warning > 10;	3622	unless ++$bug_warning > 10;
2658	return;	3623	return;
2659	}	3624	}
2660		3625
2661	$NOW = Event::time;	3626	$NOW = $tick_start = EV::now;
2662		3627
2663	cf::server_tick; # one server iteration	3628	cf::server_tick; # one server iteration
		3629
2664	$RUNTIME += $TICK;	3630	$RUNTIME += $TICK;
2665	$NEXT_TICK += $TICK;	3631	$NEXT_TICK = $_[0]->at;
2666		3632
2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3633	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668	$NEXT_RUNTIME_WRITE = $NOW + 10;	3634	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2669	Coro::async_pool {	3635	Coro::async_pool {
		3636	$Coro::current->{desc} = "runtime saver";
2670	write_runtime	3637	write_runtime
2671	or warn "ERROR: unable to write runtime file: $!";	3638	or warn "ERROR: unable to write runtime file: $!";
2672	};
2673	}	3639	};
2674
2675	$WAIT_FOR_TICK->broadcast;
2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2677
2678	# my $AFTER = Event::time;
2679	# warn $AFTER - $NOW;#d#
2680
2681	# if we are delayed by four ticks or more, skip them all
2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2683
2684	$TICK_WATCHER->at ($NEXT_TICK);
2685	$TICK_WATCHER->start;
2686	},	3640	}
2687	);	3641
		3642	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3643	$sig->send;
		3644	}
		3645	while (my $sig = shift @WAIT_FOR_TICK) {
		3646	$sig->send;
		3647	}
		3648
		3649	$LOAD = ($NOW - $tick_start) / $TICK;
		3650	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3651
		3652	_post_tick;
		3653	};
		3654	$TICK_WATCHER->priority (EV::MAXPRI);
2688		3655
2689	{	3656	{
2690	BDB::max_poll_time $TICK * 0.1;	3657	# configure BDB
2691	$BDB_POLL_WATCHER = Event->io (	3658
2692	reentrant => 0,
2693	fd => BDB::poll_fileno,
2694	poll => 'r',
2695	prio => 0,
2696	data => WF_AUTOCANCEL,
2697	cb => \&BDB::poll_cb,
2698	);
2699	BDB::min_parallel 8;	3659	BDB::min_parallel 8;
2700		3660	BDB::max_poll_reqs $TICK * 0.1;
2701	BDB::set_sync_prepare {	3661	$Coro::BDB::WATCHER->priority (1);
2702	my $status;
2703	my $current = $Coro::current;
2704	(
2705	sub {
2706	$status = $!;
2707	$current->ready; undef $current;
2708	},
2709	sub {
2710	Coro::schedule while defined $current;
2711	$! = $status;
2712	},
2713	)
2714	};
2715		3662
2716	unless ($DB_ENV) {	3663	unless ($DB_ENV) {
2717	$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);
2718		3669
2719	cf::sync_job {	3670	cf::sync_job {
2720	eval {	3671	eval {
2721	BDB::db_env_open	3672	BDB::db_env_open
2722	$DB_ENV,	3673	$DB_ENV,
2723	$BDB_ENV_DIR,	3674	$BDBDIR,
2724	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
2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3676	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2726	0666;	3677	0666;
2727		3678
2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3679	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2729
2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2731	$DB_ENV->set_lk_detect;
2732	};	3680	};
2733		3681
2734	cf::cleanup "db_env_open(db): $@" if $@;	3682	cf::cleanup "db_env_open(db): $@" if $@;
2735	};	3683	};
2736	}	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	};
2737	}	3695	}
2738		3696
2739	{	3697	{
		3698	# configure IO::AIO
		3699
2740	IO::AIO::min_parallel 8;	3700	IO::AIO::min_parallel 8;
2741
2742	undef $Coro::AIO::WATCHER;
2743	IO::AIO::max_poll_time $TICK * 0.1;	3701	IO::AIO::max_poll_time $TICK * 0.1;
2744	$AIO_POLL_WATCHER = Event->io (	3702	$Coro::AIO::WATCHER->priority (1);
2745	reentrant => 0,
2746	data => WF_AUTOCANCEL,
2747	fd => IO::AIO::poll_fileno,
2748	poll => 'r',
2749	prio => 6,
2750	cb => \&IO::AIO::poll_cb,
2751	);
2752	}	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;
2753		3747
2754	END { cf::emergency_save }	3748	END { cf::emergency_save }
2755		3749
2756	1	3750	1
2757		3751

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