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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.411 by root, Fri Feb 1 15:54:07 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	cf::cleanup "mandatory extension failed to load, exiting.";
		1322	}
		1323
		1324	warn $msg;
		1325	}
		1326
		1327	$done{$k} = delete $todo{$k};
		1328	push @EXTS, $v->{pkg};
		1329	$progress = 1;
932	1	1330	}
933	} or warn "$ext not loaded: $@";	1331
		1332	skip:
		1333	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1334	unless $progress;
		1335	}
934	}	1336	};
935	}	1337	}
936		1338
937	#############################################################################	1339	#############################################################################
938		1340
		1341	=back
		1342
939	=head2 CORE EXTENSIONS	1343	=head2 CORE EXTENSIONS
940		1344
941	Functions and methods that extend core crossfire objects.	1345	Functions and methods that extend core crossfire objects.
942		1346
943	=cut	1347	=cut
…		…
948		1352
949	=head3 cf::player	1353	=head3 cf::player
950		1354
951	=over 4	1355	=over 4
952		1356
		1357	=item cf::player::num_playing
		1358
		1359	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1360
		1361	=cut
		1362
		1363	sub num_playing {
		1364	scalar grep
		1365	$_->ob->map
		1366	&& !$_->hidden
		1367	&& !$_->ob->flag (cf::FLAG_WIZ),
		1368	cf::player::list
		1369	}
		1370
953	=item cf::player::find $login	1371	=item cf::player::find $login
954		1372
955	Returns the given player object, loading it if necessary (might block).	1373	Returns the given player object, loading it if necessary (might block).
956		1374
957	=cut	1375	=cut
958		1376
959	sub playerdir($) {	1377	sub playerdir($) {
960	cf::localdir	1378	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1379	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1380	}
966		1381
967	sub path($) {	1382	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1383	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1410	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1411	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1412	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1413	aio_unlink +(playerdir $login) . "/$login.pl";
999		1414
1000	my $pl = load_pl path $login	1415	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1416	or return;
		1417
		1418	my $pl = cf::player::load_pl $f
		1419	or return;
		1420	local $cf::PLAYER_LOADING{$login} = $pl;
		1421	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1422	$cf::PLAYER{$login} = $pl
1003	}	1423	}
1004	}	1424	}
1005	}	1425	}
1006		1426
…		…
1016		1436
1017	aio_mkdir playerdir $pl, 0770;	1437	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1438	$pl->{last_save} = $cf::RUNTIME;
1019		1439
1020	$pl->save_pl ($path);	1440	$pl->save_pl ($path);
1021	Coro::cede;	1441	cf::cede_to_tick;
1022	}	1442	}
1023		1443
1024	sub new($) {	1444	sub new($) {
1025	my ($login) = @_;	1445	my ($login) = @_;
1026		1446
…		…
1030	$self->{deny_save} = 1;	1450	$self->{deny_save} = 1;
1031		1451
1032	$cf::PLAYER{$login} = $self;	1452	$cf::PLAYER{$login} = $self;
1033		1453
1034	$self	1454	$self
		1455	}
		1456
		1457	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1458
		1459	=cut
		1460
		1461	sub send_msg {
		1462	my $ns = shift->ns
		1463	or return;
		1464	$ns->send_msg (@_);
1035	}	1465	}
1036		1466
1037	=item $pl->quit_character	1467	=item $pl->quit_character
1038		1468
1039	Nukes the player without looking back. If logged in, the connection will	1469	Nukes the player without looking back. If logged in, the connection will
…		…
1088	while and may block, so not sync_job-capable, ever.	1518	while and may block, so not sync_job-capable, ever.
1089		1519
1090	=cut	1520	=cut
1091		1521
1092	sub list_logins {	1522	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1523	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1524	or return [];
1095		1525
1096	my @logins;	1526	my @logins;
1097		1527
1098	for my $login (@$dirs) {	1528	for my $login (@$dirs) {
		1529	my $path = path $login;
		1530
		1531	# a .pst is a dead give-away for a valid player
		1532	unless (-e "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1533	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1534	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1535	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1536	}
1102		1537
1103	utf8::decode $login;	1538	utf8::decode $login;
1104	push @logins, $login;	1539	push @logins, $login;
1105	}	1540	}
1106		1541
…		…
1133	}	1568	}
1134		1569
1135	\@paths	1570	\@paths
1136	}	1571	}
1137		1572
		1573	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1574
		1575	Expand crossfire pod fragments into protocol xml.
		1576
		1577	=cut
		1578
		1579	use re 'eval';
		1580
		1581	my $group;
		1582	my $interior; $interior = qr{
		1583	# match a pod interior sequence sans C<< >>
		1584	(?:
		1585	\ (.*?)\ (?{ $group = $^N })
		1586	| < (??{$interior}) >
		1587	)
		1588	}x;
		1589
		1590	sub expand_cfpod {
		1591	my ($self, $pod) = @_;
		1592
		1593	my $xml;
		1594
		1595	while () {
		1596	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1597	$group = $1;
		1598
		1599	$group =~ s/&/&amp;/g;
		1600	$group =~ s/</&lt;/g;
		1601
		1602	$xml .= $group;
		1603	} elsif ($pod =~ m%\G
		1604	([BCGHITU])
		1605	<
		1606	(?:
		1607	([^<>]*) (?{ $group = $^N })
		1608	| < $interior >
		1609	)
		1610	>
		1611	%gcsx
		1612	) {
		1613	my ($code, $data) = ($1, $group);
		1614
		1615	if ($code eq "B") {
		1616	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1617	} elsif ($code eq "I") {
		1618	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1619	} elsif ($code eq "U") {
		1620	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1621	} elsif ($code eq "C") {
		1622	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1623	} elsif ($code eq "T") {
		1624	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1625	} elsif ($code eq "G") {
		1626	my ($male, $female) = split /\|/, $data;
		1627	$data = $self->gender ? $female : $male;
		1628	$xml .= expand_cfpod ($self, $data);
		1629	} elsif ($code eq "H") {
		1630	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1631	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1632	"")
		1633	[$self->{hintmode}];
		1634	} else {
		1635	$xml .= "error processing '$code($data)' directive";
		1636	}
		1637	} else {
		1638	if ($pod =~ /\G(.+)/) {
		1639	warn "parse error while expanding $pod (at $1)";
		1640	}
		1641	last;
		1642	}
		1643	}
		1644
		1645	for ($xml) {
		1646	# create single paragraphs (very hackish)
		1647	s/(?<=\S)\n(?=\w)/ /g;
		1648
		1649	# compress some whitespace
		1650	s/\s+\n/\n/g; # ws line-ends
		1651	s/\n\n+/\n/g; # double lines
		1652	s/^\n+//; # beginning lines
		1653	s/\n+$//; # ending lines
		1654	}
		1655
		1656	$xml
		1657	}
		1658
		1659	no re 'eval';
		1660
		1661	sub hintmode {
		1662	$_[0]{hintmode} = $_[1] if @_ > 1;
		1663	$_[0]{hintmode}
		1664	}
		1665
1138	=item $player->ext_reply ($msgid, %msg)	1666	=item $player->ext_reply ($msgid, @msg)
1139		1667
1140	Sends an ext reply to the player.	1668	Sends an ext reply to the player.
1141		1669
1142	=cut	1670	=cut
1143		1671
1144	sub ext_reply($$%) {	1672	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1673	my ($self, $id, @msg) = @_;
1146		1674
1147	$msg{msgid} = $id;	1675	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1676	}
1151		1677
1152	=item $player->ext_event ($type, %msg)	1678	=item $player->ext_msg ($type, @msg)
1153		1679
1154	Sends an ext event to the client.	1680	Sends an ext event to the client.
1155		1681
1156	=cut	1682	=cut
1157		1683
1158	sub ext_event($$%) {	1684	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1685	my ($self, $type, @msg) = @_;
1160		1686
1161	$self->ns->ext_event ($type, %msg);	1687	$self->ns->ext_msg ($type, @msg);
1162	}	1688	}
1163		1689
1164	package cf;	1690	=head3 cf::region
		1691
		1692	=over 4
		1693
		1694	=cut
		1695
		1696	package cf::region;
		1697
		1698	=item cf::region::find_by_path $path
		1699
		1700	Tries to decuce the likely region for a map knowing only its path.
		1701
		1702	=cut
		1703
		1704	sub find_by_path($) {
		1705	my ($path) = @_;
		1706
		1707	my ($match, $specificity);
		1708
		1709	for my $region (list) {
		1710	if ($region->{match} && $path =~ $region->{match}) {
		1711	($match, $specificity) = ($region, $region->specificity)
		1712	if $region->specificity > $specificity;
		1713	}
		1714	}
		1715
		1716	$match
		1717	}
1165		1718
1166	=back	1719	=back
1167
1168		1720
1169	=head3 cf::map	1721	=head3 cf::map
1170		1722
1171	=over 4	1723	=over 4
1172		1724
…		…
1227	my ($self, $merge) = @_;	1779	my ($self, $merge) = @_;
1228		1780
1229	# we have to keep some variables in memory intact	1781	# we have to keep some variables in memory intact
1230	local $self->{path};	1782	local $self->{path};
1231	local $self->{load_path};	1783	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1784
1235	$self->SUPER::thawer_merge ($merge);	1785	$self->SUPER::thawer_merge ($merge);
1236	}	1786	}
1237		1787
1238	sub normalise {	1788	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1835	$self->init; # pass $1 etc.
1286	return $self;	1836	return $self;
1287	}	1837	}
1288	}	1838	}
1289		1839
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1840	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1841	()
1292	}	1842	}
1293		1843
1294	sub init {	1844	sub init {
1295	my ($self) = @_;	1845	my ($self) = @_;
…		…
1310		1860
1311	# the original (read-only) location	1861	# the original (read-only) location
1312	sub load_path {	1862	sub load_path {
1313	my ($self) = @_;	1863	my ($self) = @_;
1314		1864
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1865	"$MAPDIR/$self->{path}.map"
1316	}	1866	}
1317		1867
1318	# the temporary/swap location	1868	# the temporary/swap location
1319	sub save_path {	1869	sub save_path {
1320	my ($self) = @_;	1870	my ($self) = @_;
1321		1871
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1872	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1873	"$TMPDIR/$path.map"
1324	}	1874	}
1325		1875
1326	# the unique path, undef == no special unique path	1876	# the unique path, undef == no special unique path
1327	sub uniq_path {	1877	sub uniq_path {
1328	my ($self) = @_;	1878	my ($self) = @_;
1329		1879
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1881	"$UNIQUEDIR/$path"
1332	}	1882	}
1333		1883
1334	# and all this just because we cannot iterate over	1884	# and all this just because we cannot iterate over
1335	# all maps in C++...	1885	# all maps in C++...
1336	sub change_all_map_light {	1886	sub change_all_map_light {
…		…
1338		1888
1339	$_->change_map_light ($change)	1889	$_->change_map_light ($change)
1340	for grep $_->outdoor, values %cf::MAP;	1890	for grep $_->outdoor, values %cf::MAP;
1341	}	1891	}
1342		1892
		1893	sub decay_objects {
		1894	my ($self) = @_;
		1895
		1896	return if $self->{deny_reset};
		1897
		1898	$self->do_decay_objects;
		1899	}
		1900
1343	sub unlink_save {	1901	sub unlink_save {
1344	my ($self) = @_;	1902	my ($self) = @_;
1345		1903
1346	utf8::encode (my $save = $self->save_path);	1904	utf8::encode (my $save = $self->save_path);
1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1905	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1350		1908
1351	sub load_header_from($) {	1909	sub load_header_from($) {
1352	my ($self, $path) = @_;	1910	my ($self, $path) = @_;
1353		1911
1354	utf8::encode $path;	1912	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	1913	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	or return;	1914	or return;
		1915
		1916	$self->_load_header ($f)
		1917	or return;
		1918
		1919	local $MAP_LOADING{$self->{path}} = $self;
		1920	$f->resolve_delayed_derefs;
1360		1921
1361	$self->{load_path} = $path;	1922	$self->{load_path} = $path;
1362		1923
1363	1	1924	1
1364	}	1925	}
…		…
1403	$self->load_header_orig	1964	$self->load_header_orig
1404	or return;	1965	or return;
1405	$self->prepare_orig;	1966	$self->prepare_orig;
1406	}	1967	}
1407		1968
		1969	$self->{deny_reset} = 1
		1970	if $self->no_reset;
		1971
		1972	$self->default_region (cf::region::find_by_path $self->{path})
		1973	unless $self->default_region;
		1974
1408	1	1975	1
1409	}	1976	}
1410		1977
1411	sub find;	1978	sub find;
1412	sub find {	1979	sub find {
1413	my ($path, $origin) = @_;	1980	my ($path, $origin) = @_;
1414		1981
1415	$path = normalise $path, $origin && $origin->path;	1982	$path = normalise $path, $origin && $origin->path;
1416		1983
		1984	cf::lock_wait "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	1985	cf::lock_wait "map_find:$path";
1418		1986
1419	$cf::MAP{$path} || do {	1987	$cf::MAP{$path} || do {
1420	my $guard = cf::lock_acquire "map_find:$path";	1988	my $guard1 = cf::lock_acquire "map_find:$path";
		1989	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1990
1421	my $map = new_from_path cf::map $path	1991	my $map = new_from_path cf::map $path
1422	or return;	1992	or return;
1423		1993
1424	$map->{last_save} = $cf::RUNTIME;	1994	$map->{last_save} = $cf::RUNTIME;
1425		1995
1426	$map->load_header	1996	$map->load_header
1427	or return;	1997	or return;
1428		1998
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1999	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	2000	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	2001	#$cf::WAIT_FOR_TICK->wait;
		2002	undef $guard1;
		2003	undef $guard2;
1432	$map->reset;	2004	$map->reset;
1433	undef $guard;
1434	return find $path;	2005	return find $path;
1435	}	2006	}
1436		2007
1437	$cf::MAP{$path} = $map	2008	$cf::MAP{$path} = $map
1438	}	2009	}
…		…
1445	my ($self) = @_;	2016	my ($self) = @_;
1446		2017
1447	local $self->{deny_reset} = 1; # loading can take a long time	2018	local $self->{deny_reset} = 1; # loading can take a long time
1448		2019
1449	my $path = $self->{path};	2020	my $path = $self->{path};
		2021
		2022	{
1450	my $guard = cf::lock_acquire "map_load:$path";	2023	my $guard = cf::lock_acquire "map_data:$path";
1451		2024
		2025	return unless $self->valid;
1452	return if $self->in_memory != cf::MAP_SWAPPED;	2026	return unless $self->in_memory == cf::MAP_SWAPPED;
1453		2027
1454	$self->in_memory (cf::MAP_LOADING);	2028	$self->in_memory (cf::MAP_LOADING);
1455		2029
1456	$self->alloc;	2030	$self->alloc;
1457		2031
1458	$self->pre_load;	2032	$self->pre_load;
		2033	cf::cede_to_tick;
1459		2034
1460	$self->_load_objects ($self->{load_path}, 1)	2035	my $f = new_from_file cf::object::thawer $self->{load_path};
		2036	$f->skip_block;
		2037	$self->_load_objects ($f)
1461	or return;	2038	or return;
1462		2039
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2040	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1464	if delete $self->{load_original};	2041	if delete $self->{load_original};
1465		2042
1466	if (my $uniq = $self->uniq_path) {	2043	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	2044	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	2045	unless (aio_stat $uniq) {
		2046	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	2047	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	2048	$self->_load_objects ($f);
		2049	$f->resolve_delayed_derefs;
		2050	}
1471	}	2051	}
1472	}	2052	}
1473		2053
1474	Coro::cede;	2054	$f->resolve_delayed_derefs;
1475		2055
		2056	cf::cede_to_tick;
1476	# now do the right thing for maps	2057	# now do the right thing for maps
1477	$self->link_multipart_objects;	2058	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	2059	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	2060	unless $self->difficulty;
1487	Coro::cede;	2061	cf::cede_to_tick;
		2062
		2063	unless ($self->{deny_activate}) {
		2064	$self->decay_objects;
		2065	$self->fix_auto_apply;
		2066	$self->update_buttons;
		2067	cf::cede_to_tick;
		2068	$self->set_darkness_map;
		2069	cf::cede_to_tick;
1488	$self->activate;	2070	$self->activate;
		2071	}
		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
		2076	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	2077	}
1490		2078
1491	$self->post_load;	2079	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	2080	}
1495		2081
1496	sub customise_for {	2082	sub customise_for {
1497	my ($self, $ob) = @_;	2083	my ($self, $ob) = @_;
1498		2084
1499	return find "~" . $ob->name . "/" . $self->{path}	2085	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	2086	if $self->per_player;
1501		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
1502	$self	2091	$self
1503	}	2092	}
1504		2093
1505	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	2095	sub load_neighbours {
1507	my ($map) = @_;	2096	my ($map) = @_;
1508		2097
1509	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1510		2099
1511	for (0 .. 3) {	2100	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1513	or next;	2102	or next;
1514	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1515	or next;	2104	or next;
1516	$neigh->load;	2105	$neigh->load;
1517		2106
		2107	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	2110	}
1521		2111
1522	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1524	or next;	2115	or next;
1525	$neigh->load;	2116	$neigh->load;
1526	}	2117	}
1527	}	2118	}
1528		2119
…		…
1533	}	2124	}
1534		2125
1535	sub do_load_sync {	2126	sub do_load_sync {
1536	my ($map) = @_;	2127	my ($map) = @_;
1537		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1538	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1539	}	2133	}
1540		2134
1541	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2136	our $MAP_PREFETCHER = undef;
1543		2137
1544	sub find_async {	2138	sub find_async {
1545	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1546		2140
1547	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1548		2142
1549	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1551	}	2145	}
1552		2146
1553	undef $MAP_PREFETCH{$path};	2147	$MAP_PREFETCH{$path} |= $load;
		2148
1554	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
1555	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2154	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2155	$map->load if $v;
		2156	}
1560		2157
1561	delete $MAP_PREFETCH{$path};	2158	delete $MAP_PREFETCH{$k};
1562	}	2159	}
1563	}	2160	}
1564	undef $MAP_PREFETCHER;	2161	undef $MAP_PREFETCHER;
1565	};	2162	};
1566	$MAP_PREFETCHER->prio (6);	2163	$MAP_PREFETCHER->prio (6);
…		…
1569	}	2166	}
1570		2167
1571	sub save {	2168	sub save {
1572	my ($self) = @_;	2169	my ($self) = @_;
1573		2170
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2172
1576	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1577		2174
1578	return unless $self->dirty;	2175	return unless $self->dirty;
1579		2176
…		…
1585	return if $self->{deny_save};	2182	return if $self->{deny_save};
1586		2183
1587	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1588		2185
1589	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1590	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1591	};	2189	};
1592		2190
1593	if ($uniq) {	2191	if ($uniq) {
1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2192	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1602	my ($self) = @_;	2200	my ($self) = @_;
1603		2201
1604	# save first because save cedes	2202	# save first because save cedes
1605	$self->save;	2203	$self->save;
1606		2204
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2205	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2206
1609	return if $self->players;	2207	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;	2208	return if $self->in_memory != cf::MAP_IN_MEMORY;
1611	return if $self->{deny_save};	2209	return if $self->{deny_save};
1612		2210
		2211	$self->in_memory (cf::MAP_SWAPPED);
		2212
		2213	$self->deactivate;
		2214	$_->clear_links_to ($self) for values %cf::MAP;
1613	$self->clear;	2215	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2216	}
1616		2217
1617	sub reset_at {	2218	sub reset_at {
1618	my ($self) = @_;	2219	my ($self) = @_;
1619		2220
1620	# TODO: safety, remove and allow resettable per-player maps	2221	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2222	return 1e99 if $self->{deny_reset};
1623		2223
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2224	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2225	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2226
…		…
1637	my ($self) = @_;	2237	my ($self) = @_;
1638		2238
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2239	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2240
1641	return if $self->players;	2241	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2242
1644	warn "resetting map ", $self->path;#d#	2243	warn "resetting map ", $self->path;
1645		2244
1646	$self->in_memory (cf::MAP_SWAPPED);	2245	$self->in_memory (cf::MAP_SWAPPED);
1647		2246
1648	# need to save uniques path	2247	# need to save uniques path
1649	unless ($self->{deny_save}) {	2248	unless ($self->{deny_save}) {
…		…
1653	if $uniq;	2252	if $uniq;
1654	}	2253	}
1655		2254
1656	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1657		2256
		2257	$self->deactivate;
		2258	$_->clear_links_to ($self) for values %cf::MAP;
1658	$self->clear;	2259	$self->clear;
1659
1660	$_->clear_links_to ($self) for values %cf::MAP;
1661		2260
1662	$self->unlink_save;	2261	$self->unlink_save;
1663	$self->destroy;	2262	$self->destroy;
1664	}	2263	}
1665		2264
1666	my $nuke_counter = "aaaa";	2265	my $nuke_counter = "aaaa";
1667		2266
1668	sub nuke {	2267	sub nuke {
1669	my ($self) = @_;	2268	my ($self) = @_;
1670		2269
		2270	{
		2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2272
1671	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1672		2274
1673	$self->unlink_save;	2275	$self->unlink_save;
1674		2276
1675	bless $self, "cf::map";	2277	bless $self, "cf::map";
1676	delete $self->{deny_reset};	2278	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2279	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2280	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2281	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2282
1681	$cf::MAP{$self->path} = $self;	2283	$cf::MAP{$self->path} = $self;
		2284	}
1682		2285
1683	$self->reset; # polite request, might not happen	2286	$self->reset; # polite request, might not happen
		2287	}
		2288
		2289	=item $maps = cf::map::tmp_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	maps. May block.
		2293
		2294	=cut
		2295
		2296	sub tmp_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise $_
		2302	: ()
		2303	} @{ aio_readdir $TMPDIR or [] }
		2304	]
		2305	}
		2306
		2307	=item $maps = cf::map::random_maps
		2308
		2309	Returns an arrayref with all map paths of currently instantiated and saved
		2310	random maps. May block.
		2311
		2312	=cut
		2313
		2314	sub random_maps() {
		2315	[
		2316	map {
		2317	utf8::decode $_;
		2318	/\.map$/
		2319	? normalise "?random/$_"
		2320	: ()
		2321	} @{ aio_readdir $RANDOMDIR or [] }
		2322	]
1684	}	2323	}
1685		2324
1686	=item cf::map::unique_maps	2325	=item cf::map::unique_maps
1687		2326
1688	Returns an arrayref of paths of all shared maps that have	2327	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2328	instantiated unique items. May block.
1690		2329
1691	=cut	2330	=cut
1692		2331
1693	sub unique_maps() {	2332	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2333	[
1695	or return;	2334	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2335	utf8::decode $_;
1701	next if /\.pst$/;	2336	/\.map$/
1702	next unless /^$PATH_SEP/o;	2337	? normalise $_
1703		2338	: ()
1704	push @paths, cf::map::normalise $_;	2339	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2340	]
1706
1707	\@paths
1708	}	2341	}
1709		2342
1710	package cf;	2343	package cf;
1711		2344
1712	=back	2345	=back
…		…
1730	map { $_, inv_recursive_ $_->inv } @_	2363	map { $_, inv_recursive_ $_->inv } @_
1731	}	2364	}
1732		2365
1733	sub inv_recursive {	2366	sub inv_recursive {
1734	inv_recursive_ inv $_[0]	2367	inv_recursive_ inv $_[0]
		2368	}
		2369
		2370	=item $ref = $ob->ref
		2371
		2372	creates and returns a persistent reference to an objetc that can be stored as a string.
		2373
		2374	=item $ob = cf::object::deref ($refstring)
		2375
		2376	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2377	even if the object actually exists. May block.
		2378
		2379	=cut
		2380
		2381	sub deref {
		2382	my ($ref) = @_;
		2383
		2384	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2385	my ($uuid, $name) = ($1, $2);
		2386	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2387	or return;
		2388	$pl->ob->uuid eq $uuid
		2389	or return;
		2390
		2391	$pl->ob
		2392	} else {
		2393	warn "$ref: cannot resolve object reference\n";
		2394	undef
		2395	}
1735	}	2396	}
1736		2397
1737	package cf;	2398	package cf;
1738		2399
1739	=back	2400	=back
…		…
1758		2419
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2421
1761	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1763	} else {	2425	} else {
		2426	my $pl = $self->contr;
		2427
		2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2429	my $dialog = $pl->{npc_dialog};
		2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2431
		2432	} else {
1764	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2434	$self->message ($msg, $flags);
		2435	}
1766	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
1767	}	2447	}
1768		2448
1769	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1770		2450
1771	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1818	$self->deactivate_recursive;	2498	$self->deactivate_recursive;
1819		2499
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2500	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2501
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2503	if $self->map && $self->map->{path} ne "{link}";
1824		2504
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2505	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2506	}
1827		2507
1828	sub cf::object::player::leave_link {	2508	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2509	my ($self, $map, $x, $y) = @_;
		2510
		2511	return unless $self->contr->active;
1830		2512
1831	my $link_pos = delete $self->{_link_pos};	2513	my $link_pos = delete $self->{_link_pos};
1832		2514
1833	unless ($map) {	2515	unless ($map) {
1834	# restore original map position	2516	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2530	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2531	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2532	if $x <=0 && $y <= 0;
1851		2533
1852	$map->load;	2534	$map->load;
1853	$map->load_diag;	2535	$map->load_neighbours;
1854		2536
1855	return unless $self->contr->active;	2537	return unless $self->contr->active;
1856	$self->activate_recursive;	2538	$self->activate_recursive;
1857		2539
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
1860	}	2542	}
1861		2543
1862	cf::player->attach (	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2545
1866	# abort map switching before logout	2546	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2547	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2549	the new (success) or old (failed) map position. In either case, $done will
1870	};	2550	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2551
1876	# try to abort aborted map switching on player login :)
1877	# should happen only on crashes
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893
1894	=item $player_object->goto ($path, $x, $y)
1895
1896	=cut	2552	=cut
		2553
		2554	our $GOTOGEN;
1897		2555
1898	sub cf::object::player::goto {	2556	sub cf::object::player::goto {
1899	my ($self, $path, $x, $y) = @_;	2557	my ($self, $path, $x, $y, $check, $done) = @_;
		2558
		2559	# do generation counting so two concurrent goto's will be executed in-order
		2560	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900		2561
1901	$self->enter_link;	2562	$self->enter_link;
1902		2563
1903	(async {	2564	(async {
		2565	$Coro::current->{desc} = "player::goto $path $x $y";
		2566
		2567	# *tag paths override both path and x|y
		2568	if ($path =~ /^\*(.*)$/) {
		2569	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2570	my $ob = $obs[rand @obs];
		2571
		2572	# see if we actually can go there
		2573	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2574	$ob = $obs[rand @obs];
		2575	} else {
		2576	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2577	}
		2578	# else put us there anyways for now #d#
		2579
		2580	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2581	} else {
		2582	($path, $x, $y) = (undef, undef, undef);
		2583	}
		2584	}
		2585
1904	my $map = eval {	2586	my $map = eval {
1905	my $map = cf::map::find $path;	2587	my $map = defined $path ? cf::map::find $path : undef;
		2588
		2589	if ($map) {
1906	$map = $map->customise_for ($self) if $map;	2590	$map = $map->customise_for ($self);
		2591	$map = $check->($map) if $check && $map;
		2592	} else {
		2593	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	}
		2595
1907	$map	2596	$map
		2597	};
		2598
		2599	if ($@) {
		2600	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2601	LOG llevError | logBacktrace, Carp::longmess $@;
1908	} or	2602	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2603
		2604	if ($gen == $self->{_goto_generation}) {
		2605	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2606	$self->leave_link ($map, $x, $y);
		2607	}
		2608
		2609	$done->() if $done;
1912	})->prio (1);	2610	})->prio (1);
1913	}	2611	}
1914		2612
1915	=item $player_object->enter_exit ($exit_object)	2613	=item $player_object->enter_exit ($exit_object)
1916		2614
…		…
1953	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
1954	}	2652	}
1955		2653
1956	$rmp->{random_seed} ||= $exit->random_seed;	2654	$rmp->{random_seed} ||= $exit->random_seed;
1957		2655
1958	my $data = cf::to_json $rmp;	2656	my $data = cf::encode_json $rmp;
1959	my $md5 = Digest::MD5::md5_hex $data;	2657	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2658	my $meta = "$RANDOMDIR/$md5.meta";
1961		2659
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2660	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2661	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2662	undef $fh;
1965	aio_rename "$meta~", $meta;	2663	aio_rename "$meta~", $meta;
…		…
1985	my $hp = $exit->stats->hp;	2683	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;	2684	my $sp = $exit->stats->sp;
1987		2685
1988	$self->enter_link;	2686	$self->enter_link;
1989		2687
		2688	# if exit is damned, update players death & WoR home-position
		2689	$self->contr->savebed ($slaying, $hp, $sp)
		2690	if $exit->flag (FLAG_DAMNED);
		2691
1990	(async {	2692	(async {
		2693	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2694
1991	$self->deactivate_recursive; # just to be sure	2695	$self->deactivate_recursive; # just to be sure
1992	unless (eval {	2696	unless (eval {
1993	$self->goto ($slaying, $hp, $sp);	2697	$self->goto ($slaying, $hp, $sp);
1994		2698
1995	1;	2699	1;
…		…
2021		2725
2022	utf8::encode $text;	2726	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2728	}
2025		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/uptime" => {
		2778	id => "infobox",
		2779	title => "Uptime",
		2780	reply => undef,
		2781	tooltip => "How long the server has been running since last restart",
		2782	},
		2783	"c/mapinfo" => {
		2784	id => "infobox",
		2785	title => "Map Info",
		2786	reply => undef,
		2787	tooltip => "Information related to the maps",
		2788	},
		2789	);
		2790
		2791	sub cf::client::send_msg {
		2792	my ($self, $channel, $msg, $color, @extra) = @_;
		2793
		2794	$msg = $self->pl->expand_cfpod ($msg);
		2795
		2796	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2797
		2798	# check predefined channels, for the benefit of C
		2799	if ($CHANNEL{$channel}) {
		2800	$channel = $CHANNEL{$channel};
		2801
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804
		2805	$channel = $channel->{id};
		2806
		2807	} elsif (ref $channel) {
		2808	# send meta info to client, if not yet sent
		2809	unless (exists $self->{channel}{$channel->{id}}) {
		2810	$self->{channel}{$channel->{id}} = $channel;
		2811	$self->ext_msg (channel_info => $channel)
		2812	if $self->can_msg;
		2813	}
		2814
		2815	$channel = $channel->{id};
		2816	}
		2817
		2818	return unless @extra || length $msg;
		2819
		2820	if ($self->can_msg) {
		2821	# default colour, mask it out
		2822	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2823	if $color & cf::NDI_DEF;
		2824
		2825	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2827	} else {
		2828	if ($color >= 0) {
		2829	# replace some tags by gcfclient-compatible ones
		2830	for ($msg) {
		2831	1 while
		2832	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2833	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2834	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2835	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2836	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2837	}
		2838
		2839	$color &= cf::NDI_COLOR_MASK;
		2840
		2841	utf8::encode $msg;
		2842
		2843	if (0 && $msg =~ /\[/) {
		2844	# COMMAND/INFO
		2845	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2846	} else {
		2847	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2848	$self->send_packet ("drawinfo $color $msg")
		2849	}
		2850	}
		2851	}
		2852	}
		2853
2026	=item $client->ext_event ($type, %msg)	2854	=item $client->ext_msg ($type, @msg)
2027		2855
2028	Sends an exti event to the client.	2856	Sends an ext event to the client.
2029		2857
2030	=cut	2858	=cut
2031		2859
2032	sub cf::client::ext_event($$%) {	2860	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2861	my ($self, $type, @msg) = @_;
2034		2862
		2863	if ($self->extcmd == 2) {
		2864	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2865	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2866	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	2867	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2868	}
		2869	}
		2870
		2871	=item $client->ext_reply ($msgid, @msg)
		2872
		2873	Sends an ext reply to the client.
		2874
		2875	=cut
		2876
		2877	sub cf::client::ext_reply($$@) {
		2878	my ($self, $id, @msg) = @_;
		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2882	} elsif ($self->extcmd == 1) {
		2883	#TODO: version 1, remove
		2884	unshift @msg, msgtype => "reply", msgid => $id;
		2885	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2886	}
2037	}	2887	}
2038		2888
2039	=item $success = $client->query ($flags, "text", \&cb)	2889	=item $success = $client->query ($flags, "text", \&cb)
2040		2890
2041	Queues a query to the client, calling the given callback with	2891	Queues a query to the client, calling the given callback with
2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2892	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2043	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2893	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		2894
2045	Queries can fail, so check the return code. Or don't, as queries will become	2895	Queries can fail, so check the return code. Or don't, as queries will
2046	reliable at some point in the future.	2896	become reliable at some point in the future.
2047		2897
2048	=cut	2898	=cut
2049		2899
2050	sub cf::client::query {	2900	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2901	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2909	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2910	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2911
2062	$self->send_packet ($self->{query_queue}[0][0])	2912	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2913	if @{ $self->{query_queue} } == 1;
		2914
		2915	1
2064	}	2916	}
2065		2917
2066	cf::client->attach (	2918	cf::client->attach (
		2919	on_connect => sub {
		2920	my ($ns) = @_;
		2921
		2922	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2923	},
2067	on_reply => sub {	2924	on_reply => sub {
2068	my ($ns, $msg) = @_;	2925	my ($ns, $msg) = @_;
2069		2926
2070	# this weird shuffling is so that direct followup queries	2927	# this weird shuffling is so that direct followup queries
2071	# get handled first	2928	# get handled first
…		…
2083	} else {	2940	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2941	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	2942	}
2086	}	2943	}
2087	},	2944	},
		2945	on_exticmd => sub {
		2946	my ($ns, $buf) = @_;
		2947
		2948	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2949
		2950	if (ref $msg) {
		2951	my ($type, $reply, @payload) =
		2952	"ARRAY" eq ref $msg
		2953	? @$msg
		2954	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2955
		2956	my @reply;
		2957
		2958	if (my $cb = $EXTICMD{$type}) {
		2959	@reply = $cb->($ns, @payload);
		2960	}
		2961
		2962	$ns->ext_reply ($reply, @reply)
		2963	if $reply;
		2964
		2965	} else {
		2966	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2967	}
		2968
		2969	cf::override;
		2970	},
2088	);	2971	);
2089		2972
2090	=item $client->async (\&cb)	2973	=item $client->async (\&cb)
2091		2974
2092	Create a new coroutine, running the specified callback. The coroutine will	2975	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	3016	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	3017	our $safe_hole = new Safe::Hole;
2135		3018
2136	$SIG{FPE} = 'IGNORE';	3019	$SIG{FPE} = 'IGNORE';
2137		3020
2138	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3021	$safe->permit_only (Opcode::opset qw(
		3022	:base_core :base_mem :base_orig :base_math
		3023	grepstart grepwhile mapstart mapwhile
		3024	sort time
		3025	));
2139		3026
2140	# here we export the classes and methods available to script code	3027	# here we export the classes and methods available to script code
2141		3028
2142	=pod	3029	=pod
2143		3030
2144	The following functions and methods are available within a safe environment:	3031	The following functions and methods are available within a safe environment:
2145		3032
2146	cf::object contr pay_amount pay_player map	3033	cf::object
		3034	contr pay_amount pay_player map x y force_find force_add destroy
		3035	insert remove name archname title slaying race decrease_ob_nr
		3036
2147	cf::object::player player	3037	cf::object::player
2148	cf::player peaceful	3038	player
2149	cf::map trigger	3039
		3040	cf::player
		3041	peaceful
		3042
		3043	cf::map
		3044	trigger
2150		3045
2151	=cut	3046	=cut
2152		3047
2153	for (	3048	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	3049	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3050	insert remove inv name archname title slaying race
		3051	decrease_ob_nr destroy)],
2155	["cf::object::player" => qw(player)],	3052	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	3053	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	3054	["cf::map" => qw(trigger)],
2158	) {	3055	) {
2159	no strict 'refs';	3056	no strict 'refs';
…		…
2230	=back	3127	=back
2231		3128
2232	=cut	3129	=cut
2233		3130
2234	#############################################################################	3131	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305
2306	#############################################################################
2307	# the server's init and main functions	3132	# the server's init and main functions
2308		3133
2309	sub load_facedata {	3134	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	3135	my ($path) = @_;
		3136
		3137	# HACK to clear player env face cache, we need some signal framework
		3138	# for this (global event?)
		3139	%ext::player_env::MUSIC_FACE_CACHE = ();
		3140
		3141	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2311		3142
2312	warn "loading facedata from $path\n";	3143	warn "loading facedata from $path\n";
2313		3144
2314	my $facedata;	3145	my $facedata;
2315	0 < aio_load $path, $facedata	3146	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	3149	$facedata = Coro::Storable::thaw $facedata;
2319		3150
2320	$facedata->{version} == 2	3151	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3152	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3153
		3154	# patch in the exptable
		3155	$facedata->{resource}{"res/exp_table"} = {
		3156	type => FT_RSRC,
		3157	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3158	};
		3159	cf::cede_to_tick;
		3160
2323	{	3161	{
2324	my $faces = $facedata->{faceinfo};	3162	my $faces = $facedata->{faceinfo};
2325		3163
2326	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3165	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3166
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3167	cf::face::set_visibility $idx, $info->{visibility};
		3168	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3169	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3170	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3171
		3172	cf::cede_to_tick;
2332	}	3173	}
2333		3174
2334	while (my ($face, $info) = each %$faces) {	3175	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3176	next unless $info->{smooth};
		3177
2336	my $idx = cf::face::find $face	3178	my $idx = cf::face::find $face
2337	or next;	3179	or next;
		3180
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3181	if (my $smooth = cf::face::find $info->{smooth}) {
		3182	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3183	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3184	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3185	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3186	}
2343	Coro::cede;	3187
		3188	cf::cede_to_tick;
2344	}	3189	}
2345	}	3190	}
2346		3191
2347	{	3192	{
2348	my $anims = $facedata->{animinfo};	3193	my $anims = $facedata->{animinfo};
2349		3194
2350	while (my ($anim, $info) = each %$anims) {	3195	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3196	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3197	cf::cede_to_tick;
2353	}	3198	}
2354		3199
2355	cf::anim::invalidate_all; # d'oh	3200	cf::anim::invalidate_all; # d'oh
2356	}	3201	}
2357		3202
		3203	{
		3204	# TODO: for gcfclient pleasure, we should give resources
		3205	# that gcfclient doesn't grok a >10000 face index.
		3206	my $res = $facedata->{resource};
		3207
		3208	while (my ($name, $info) = each %$res) {
		3209	if (defined $info->{type}) {
		3210	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3211	my $data;
		3212
		3213	if ($info->{type} & 1) {
		3214	# prepend meta info
		3215
		3216	my $meta = $enc->encode ({
		3217	name => $name,
		3218	%{ $info->{meta} || {} },
		3219	});
		3220
		3221	$data = pack "(w/a*)*", $meta, $info->{data};
		3222	} else {
		3223	$data = $info->{data};
		3224	}
		3225
		3226	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3227	cf::face::set_type $idx, $info->{type};
		3228	} else {
		3229	$RESOURCE{$name} = $info;
		3230	}
		3231
		3232	cf::cede_to_tick;
		3233	}
		3234	}
		3235
		3236	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3237
2358	1	3238	1
2359	}	3239	}
2360		3240
		3241	cf::global->attach (on_resource_update => sub {
		3242	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3243	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3244
		3245	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3246	my $sound = $soundconf->{compat}[$_]
		3247	or next;
		3248
		3249	my $face = cf::face::find "sound/$sound->[1]";
		3250	cf::sound::set $sound->[0] => $face;
		3251	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3252	}
		3253
		3254	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3255	my $face = cf::face::find "sound/$v";
		3256	cf::sound::set $k => $face;
		3257	}
		3258	}
		3259	});
		3260
		3261	register_exticmd fx_want => sub {
		3262	my ($ns, $want) = @_;
		3263
		3264	while (my ($k, $v) = each %$want) {
		3265	$ns->fx_want ($k, $v);
		3266	}
		3267	};
		3268
		3269	sub reload_regions {
		3270	# HACK to clear player env face cache, we need some signal framework
		3271	# for this (global event?)
		3272	%ext::player_env::MUSIC_FACE_CACHE = ();
		3273
		3274	load_resource_file "$MAPDIR/regions"
		3275	or die "unable to load regions file\n";
		3276
		3277	for (cf::region::list) {
		3278	$_->{match} = qr/$_->{match}/
		3279	if exists $_->{match};
		3280	}
		3281	}
		3282
		3283	sub reload_facedata {
		3284	load_facedata "$DATADIR/facedata"
		3285	or die "unable to load facedata\n";
		3286	}
		3287
		3288	sub reload_archetypes {
		3289	load_resource_file "$DATADIR/archetypes"
		3290	or die "unable to load archetypes\n";
		3291	#d# NEED to laod twice to resolve forward references
		3292	# this really needs to be done in an extra post-pass
		3293	# (which needs to be synchronous, so solve it differently)
		3294	load_resource_file "$DATADIR/archetypes"
		3295	or die "unable to load archetypes\n";
		3296	}
		3297
		3298	sub reload_treasures {
		3299	load_resource_file "$DATADIR/treasures"
		3300	or die "unable to load treasurelists\n";
		3301	}
		3302
2361	sub reload_resources {	3303	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3304	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3305
		3306	reload_regions;
2364	load_facedata	3307	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3308	#reload_archetypes;#d#
		3309	reload_archetypes;
		3310	reload_treasures;
		3311
		3312	warn "finished reloading resource files\n";
2366	}	3313	}
2367		3314
2368	sub init {	3315	sub init {
2369	reload_resources;	3316	reload_resources;
2370	}	3317	}
2371		3318
2372	sub cfg_load {	3319	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3320	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3321	or return;
2375		3322
2376	local $/;	3323	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3324	*CFG = YAML::Load <$fh>;
2378		3325
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3326	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2380		3327
2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3328	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3329	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2393	sub main {	3340	sub main {
2394	# we must not ever block the main coroutine	3341	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3342	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3343	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3344	(async {
2398	Event::one_event;	3345	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3346	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3347	})->prio (Coro::PRIO_MAX);
2400	};	3348	};
2401		3349
2402	cfg_load;	3350	reload_config;
2403	db_init;	3351	db_init;
2404	load_extensions;	3352	load_extensions;
2405		3353
2406	$TICK_WATCHER->start;	3354	$TICK_WATCHER->start;
		3355	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2407	Event::loop;	3356	EV::loop;
2408	}	3357	}
2409		3358
2410	#############################################################################	3359	#############################################################################
2411	# initialisation and cleanup	3360	# initialisation and cleanup
2412		3361
2413	# install some emergency cleanup handlers	3362	# install some emergency cleanup handlers
2414	BEGIN {	3363	BEGIN {
		3364	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3365	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3366	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3367	cf::cleanup "SIG$signal";
2423	},
2424	);	3368	};
		3369	}
		3370	}
		3371
		3372	sub write_runtime {
		3373	my $runtime = "$LOCALDIR/runtime";
		3374
		3375	# first touch the runtime file to show we are still running:
		3376	# the fsync below can take a very very long time.
		3377
		3378	IO::AIO::aio_utime $runtime, undef, undef;
		3379
		3380	my $guard = cf::lock_acquire "write_runtime";
		3381
		3382	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3383	or return;
		3384
		3385	my $value = $cf::RUNTIME + 90 + 10;
		3386	# 10 is the runtime save interval, for a monotonic clock
		3387	# 60 allows for the watchdog to kill the server.
		3388
		3389	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3390	and return;
		3391
		3392	# always fsync - this file is important
		3393	aio_fsync $fh
		3394	and return;
		3395
		3396	# touch it again to show we are up-to-date
		3397	aio_utime $fh, undef, undef;
		3398
		3399	close $fh
		3400	or return;
		3401
		3402	aio_rename "$runtime~", $runtime
		3403	and return;
		3404
		3405	warn "runtime file written.\n";
		3406
2425	}	3407	1
2426	}	3408	}
2427		3409
2428	sub emergency_save() {	3410	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3411	my $freeze_guard = cf::freeze_mainloop;
2430		3412
…		…
2436	# and maps saved/destroyed asynchronously.	3418	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3419	warn "begin emergency player save\n";
2438	for my $login (keys %cf::PLAYER) {	3420	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3421	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3422	$pl->valid or next;
		3423	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3424	$pl->save;
2442	}	3425	}
2443	warn "end emergency player save\n";	3426	warn "end emergency player save\n";
2444		3427
2445	warn "begin emergency map save\n";	3428	warn "begin emergency map save\n";
…		…
2463		3446
2464	warn Carp::longmess "post_cleanup backtrace"	3447	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3448	if $make_core;
2466	}	3449	}
2467		3450
2468	sub reload() {	3451	sub do_reload_perl() {
2469	# can/must only be called in main	3452	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3453	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3454	warn "can only reload from main coroutine";
2472	return;	3455	return;
2473	}	3456	}
…		…
2484	warn "syncing database to disk";	3467	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;	3468	BDB::db_env_txn_checkpoint $DB_ENV;
2486		3469
2487	# if anything goes wrong in here, we should simply crash as we already saved	3470	# if anything goes wrong in here, we should simply crash as we already saved
2488		3471
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";	3472	warn "flushing outstanding aio requests";
2495	for (;;) {	3473	for (;;) {
2496	BDB::flush;	3474	BDB::flush;
2497	IO::AIO::flush;	3475	IO::AIO::flush;
2498	Coro::cede;	3476	Coro::cede_notself;
2499	last unless IO::AIO::nreqs || BDB::nreqs;	3477	last unless IO::AIO::nreqs || BDB::nreqs;
2500	warn "iterate...";	3478	warn "iterate...";
2501	}	3479	}
2502		3480
2503	++$RELOAD;	3481	++$RELOAD;
…		…
2507	%EXT_CORO = ();	3485	%EXT_CORO = ();
2508		3486
2509	warn "removing commands";	3487	warn "removing commands";
2510	%COMMAND = ();	3488	%COMMAND = ();
2511		3489
2512	warn "removing ext commands";	3490	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3491	%EXTCMD = ();
		3492	%EXTICMD = ();
2514		3493
2515	warn "unloading/nuking all extensions";	3494	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3495	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3496	warn "... unloading $pkg";
2518		3497
…		…
2548	Symbol::delete_package "safe::$_"	3527	Symbol::delete_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3529
2551	warn "unloading cf.pm \"a bit\"";	3530	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3531	delete $INC{"cf.pm"};
		3532	delete $INC{"cf/pod.pm"};
2553		3533
2554	# don't, removes xs symbols, too,	3534	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3535	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3536	#Symbol::delete_package __PACKAGE__;
2557		3537
…		…
2560	warn "reloading cf.pm";	3540	warn "reloading cf.pm";
2561	require cf;	3541	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3542	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3543
2564	warn "loading config and database again";	3544	warn "loading config and database again";
2565	cf::cfg_load;	3545	cf::reload_config;
2566		3546
2567	warn "loading extensions";	3547	warn "loading extensions";
2568	cf::load_extensions;	3548	cf::load_extensions;
2569		3549
2570	warn "reattaching attachments to objects/players";	3550	warn "reattaching attachments to objects/players";
…		…
2572	warn "reattaching attachments to maps";	3552	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3553	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3554	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3555	reattach $_ for values %PLAYER;
2576		3556
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3557	warn "leaving sync_job";
2581		3558
2582	1	3559	1
2583	} or do {	3560	} or do {
2584	warn $@;	3561	warn $@;
2585	warn "error while reloading, exiting.";	3562	cf::cleanup "error while reloading, exiting.";
2586	exit 1;
2587	};	3563	};
2588		3564
2589	warn "reloaded";	3565	warn "reloaded";
2590	};	3566	};
2591		3567
2592	our $RELOAD_WATCHER; # used only during reload	3568	our $RELOAD_WATCHER; # used only during reload
2593		3569
		3570	sub reload_perl() {
		3571	# doing reload synchronously and two reloads happen back-to-back,
		3572	# coro crashes during coro_state_free->destroy here.
		3573
		3574	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3575	do_reload_perl;
		3576	undef $RELOAD_WATCHER;
		3577	};
		3578	}
		3579
2594	register_command "reload" => sub {	3580	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3581	my ($who, $arg) = @_;
2596		3582
2597	if ($who->flag (FLAG_WIZ)) {	3583	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3584	$who->message ("reloading server.");
2599		3585	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3586	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	3587	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3588	};
2612	}	3589	}
2613	};	3590	};
2614		3591
2615	unshift @INC, $LIBDIR;	3592	unshift @INC, $LIBDIR;
2616		3593
2617	my $bug_warning = 0;	3594	my $bug_warning = 0;
2618		3595
2619	$TICK_WATCHER = Event->timer (	3596	our @WAIT_FOR_TICK;
2620	reentrant => 0,	3597	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	3598
2622	prio => 0,	3599	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	3600	return unless $TICK_WATCHER->is_active;
2624	data => WF_AUTOCANCEL,	3601	return if $Coro::current == $Coro::main;
2625	cb => sub {	3602
		3603	my $signal = new Coro::Signal;
		3604	push @WAIT_FOR_TICK, $signal;
		3605	$signal->wait;
		3606	}
		3607
		3608	sub wait_for_tick_begin {
		3609	return unless $TICK_WATCHER->is_active;
		3610	return if $Coro::current == $Coro::main;
		3611
		3612	my $signal = new Coro::Signal;
		3613	push @WAIT_FOR_TICK_BEGIN, $signal;
		3614	$signal->wait;
		3615	}
		3616
		3617	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2626	if ($Coro::current != $Coro::main) {	3618	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3619	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3620	unless ++$bug_warning > 10;
2629	return;	3621	return;
2630	}	3622	}
2631		3623
2632	$NOW = Event::time;	3624	$NOW = $tick_start = EV::now;
2633		3625
2634	cf::server_tick; # one server iteration	3626	cf::server_tick; # one server iteration
		3627
2635	$RUNTIME += $TICK;	3628	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;	3629	$NEXT_TICK = $_[0]->at;
2637		3630
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3631	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3632	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	3633	Coro::async_pool {
		3634	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3635	write_runtime
2642	or warn "ERROR: unable to write runtime file: $!";	3636	or warn "ERROR: unable to write runtime file: $!";
2643	};
2644	}	3637	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	3638	}
2658	);	3639
		3640	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3641	$sig->send;
		3642	}
		3643	while (my $sig = shift @WAIT_FOR_TICK) {
		3644	$sig->send;
		3645	}
		3646
		3647	$LOAD = ($NOW - $tick_start) / $TICK;
		3648	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3649
		3650	_post_tick;
		3651	};
		3652	$TICK_WATCHER->priority (EV::MAXPRI);
2659		3653
2660	{	3654	{
2661	BDB::max_poll_time $TICK * 0.1;	3655	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	3656
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	3657	BDB::min_parallel 8;
2671		3658	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	3659	$Coro::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		3660
2687	unless ($DB_ENV) {	3661	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	3662	$DB_ENV = BDB::db_env_create;
		3663	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3664	| BDB::LOG_AUTOREMOVE, 1);
		3665	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3666	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		3667
2690	cf::sync_job {	3668	cf::sync_job {
2691	eval {	3669	eval {
2692	BDB::db_env_open	3670	BDB::db_env_open
2693	$DB_ENV,	3671	$DB_ENV,
2694	$BDB_ENV_DIR,	3672	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3673	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3674	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3675	0666;
2698		3676
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3677	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	3678	};
2704		3679
2705	cf::cleanup "db_env_open(db): $@" if $@;	3680	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3681	};
2707	}	3682	}
		3683
		3684	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3685	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3686	};
		3687	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3688	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3689	};
		3690	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3691	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3692	};
2708	}	3693	}
2709		3694
2710	{	3695	{
		3696	# configure IO::AIO
		3697
2711	IO::AIO::min_parallel 8;	3698	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	3699	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	3700	$Coro::AIO::WATCHER->priority (1);
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	3701	}
		3702
		3703	my $_log_backtrace;
		3704
		3705	sub _log_backtrace {
		3706	my ($msg, @addr) = @_;
		3707
		3708	$msg =~ s/\n//;
		3709
		3710	# limit the # of concurrent backtraces
		3711	if ($_log_backtrace < 2) {
		3712	++$_log_backtrace;
		3713	async {
		3714	$Coro::current->{desc} = "abt $msg";
		3715
		3716	my @bt = fork_call {
		3717	@addr = map { sprintf "%x", $_ } @addr;
		3718	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3719	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3720	or die "addr2line: $!";
		3721
		3722	my @funcs;
		3723	my @res = <$fh>;
		3724	chomp for @res;
		3725	while (@res) {
		3726	my ($func, $line) = splice @res, 0, 2, ();
		3727	push @funcs, "[$func] $line";
		3728	}
		3729
		3730	@funcs
		3731	};
		3732
		3733	LOG llevInfo, "[ABT] $msg\n";
		3734	LOG llevInfo, "[ABT] $_\n" for @bt;
		3735	--$_log_backtrace;
		3736	};
		3737	} else {
		3738	LOG llevInfo, "[ABT] $msg\n";
		3739	LOG llevInfo, "[ABT] [suppressed]\n";
		3740	}
		3741	}
		3742
		3743	# load additional modules
		3744	use cf::pod;
2724		3745
2725	END { cf::emergency_save }	3746	END { cf::emergency_save }
2726		3747
2727	1	3748	1
2728		3749

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